WO2003001898A1

WO2003001898A1 - Root harvester

Info

Publication number: WO2003001898A1
Application number: PCT/JP2001/005685
Authority: WO
Inventors: Kiyohiro Morikawa; Shinichi Takahashi; Shouji Teramoto; Yukihiro Fukuda; Hideaki Kageyama
Original assignee: Seirei Industry Co., Ltd.; Yanmar Agricultural Equipment Co., Ltd.
Priority date: 2001-06-29
Filing date: 2001-06-29
Publication date: 2003-01-09
Also published as: KR100785456B1; CN1447645A; KR20030028833A; CN1245866C

Abstract

A root harvester wherein a shoulder aligner is operatively connected to a rear carry-out device, thereby eliminating the need for securing an installation space for a transmission mechanism for transmitting power to the shoulder aligner, so that the proper position for holding roots by the rear carry-out device can be easily set.

Description

Root cropper

Light

Technical field

Thread

TECHNICAL FIELD The present invention relates to a root vegetable harvesting machine that extracts root vegetables such as ginseng and radish from a field and cuts and harvests stems and leaves from the main roots of the root vegetables.

Background art

Conventionally, as a form of root vegetable harvesting machine, a pulling and conveying device that holds the root and stem of the root vegetable, pulls the root vegetable from the field, and transports the root vegetable upward and backward, and transports the root vegetable upward and backward by the pulling transport device A shoulder alignment device that acts on the shoulders of the root vegetables and aligns the shoulders, and a rear unloading device that grips the stem and leaves of the root vegetables whose shoulders have been aligned by the shoulder alignment devices and transports them rearward And a foliage cutting device for cutting from the neck the foliage of root vegetables carried by the rear carrying-out device.

The shoulder aligning device and the rear unloading device are arranged close to each other in the up-down direction so that the foliage can be reliably pinched and unloaded.

Further, in such a root vegetable harvesting machine, power is transmitted from an engine provided in the machine to each device via a transmission mechanism to drive each device.

However, the above-mentioned root vegetable harvester still has the following problems.

(1) In particular, arrange the shoulder alignment device and the rear unloading device close to each other in the vertical direction. As a result, it is difficult to secure a space for installing a power transmission mechanism to transmit power to the shoulder alignment device.Currently, there is a power transmission between the shoulder alignment device and the rear unloading device. Although the mechanism is installed, if the space for installing the transmission mechanism is secured, the vertical distance between the shoulder alignment device and the rear unloading device will increase, and the position where the foliage is clamped by the rear unloading device will be at the upper end. Department is restricted. As a result, if the body tilts to the left or right while the upper end of the foliage is pinched by the rear carry-out device, the attitude of the main root changes greatly, and the cutting edge of the foliage by the subsequent foliage cutting device becomes oblique ( There is a defect that it becomes a defective product.

(2) At the end of the endless strip, the conveyed foliage is not reliably discharged, and the foliage may be clogged at the end.

(3) A tension mechanism is provided on the pair of left and right shoulder-aligned endless belts, and the shoulder-aligned endless belts are appropriately tensioned by the tension mechanism. However, the structure of the shoulder-alignment device is complicated, and the size of the shoulder-aligned endless belt is increased. There is a problem that a large installation space is required.

In addition, if a large load acts on the start end of the pair of left and right shoulder-aligned endless strips, the shoulder-alignment device and the root vegetables may be damaged.

ため Because it is not possible to adjust the horizontal spacing of the shoulder alignment transport path, it is not possible to adjust the interval appropriately according to the type of root vegetables and the size of the main root, etc. There is a problem that proper cutting of foliage cannot be performed because it is not possible to properly secure the shoulder alignment function of the main root. Disclosure of the invention

Therefore, in the present invention, the root and leaf portions of the root vegetable are held, and the root vegetable is A pull-up transport device that pulls up and transports it upward and backward, a shoulder alignment device that acts on the shoulders of root vegetables that are transported upward and backward by the pull-up transport device, and aligns the shoulders, The device is equipped with a rear carrying-out device that grips the root and leaf portion of the root vegetables whose shoulders are aligned by the device and carries it out rearward, and a foliage cutting device that cuts the root and vegetable leaves and leaves carried out by the rear carrying device from the neck. In the root vegetable harvesting machine, the shoulder alignment device is related to the root vegetable harvesting machine, which is interlocked and connected to the rear unloading device.

In addition, the present invention is also characterized by the following configurations.

(1) The shoulder alignment device is equipped with a pair of shoulder-aligned endless belts that are arranged to face left and right to form a shoulder alignment transport path that extends in the front-rear direction. A pair of lower endless endless strips are provided to face each other to form an extending lower endside discharge path, and are located directly above the end of the shoulder-aligned endless endless body. The upper end of the endless belt is placed in a vertically overlapping state, and the drive burley for driving the endless endless belt is formed to project downward from the driven pulley arranged at the start end of the lower endless endless belt. The pulley is located at the end of the endless belt.

(2) The rear unloading device forms a pair of upper pinching and unloading endless belts that are arranged facing each other in the left and right direction, and a lower pinching and unloading path that extends forward and backward. A pair of lower pinching / unloading endless strips arranged so as to face each other in the left-right direction, and the upper and lower pinching / unloading endless strips are vertically aligned to match the upper / lower pinching / unloading paths in the vertical direction. The lower drive pulley for driving the lower endless endless belt is formed so as to project downward from the upper drive pulley located at the end of the upper endless endless belt. End of the endless strip body with the pulley held at the bottom Placed in the department.

(3) The end strips on the upper and lower gripping / unloading end are positioned with their left and right end parts shifted from each other in the front-rear direction to form an open space between both end parts.

従 A driven pulley is arranged at the start end of the pair of left and right shoulder-aligned endless belts, each driven pulley is supported by driven pulley support means, and each driven pulley support means is provided with elastic means, and each driven pulley is provided with elastic means. Each driven pulley is elastically biased in a direction away from the drive pulley disposed at the end of each endless belt. BRIEF DESCRIPTION OF THE FIGURES

【Figure 1】

The side view of the root vegetable harvesting machine concerning the present invention.

【Figure 2】

FIG. 2 is a schematic plan view of the root vegetable harvester.

[Figure 3]

The schematic front view of the root vegetable harvester.

[Fig. 4]

Transmission system diagram of the root cropper.

[Figure 5]

FIG. 4 is a partially cutaway side view of the shoulder alignment device and the rear carry-out device.

[Fig. 6]

FIG. 2 is an explanatory plan view of the shoulder alignment device and the rear unloading device.

[Fig. 7] Rear sectional explanatory view of the shoulder alignment device and the rear unloading device

[Fig. 8]

FIG. 3 is an explanatory plan view of the shoulder alignment device. BEST MODE FOR CARRYING OUT THE INVENTION

A root vegetable harvesting machine according to the present invention has, as a basic structure, a pulling-up transport device for nipping a root and a leaf portion of the root vegetable, pulling the root vegetable from the field, and transporting the root vegetable upward and rearward; Acts on the shoulders of the root vegetables conveyed rearward and upward by the shoulder aligner, and aligns the shoulders, and holds the stems and leaves of the root vegetables whose shoulders are aligned by the shoulder aligners and transports them rearward And a foliage cutting device that cuts, from the neck, the foliage of root vegetables carried out by the rearward carrying device.

And, as a characteristic structure, the shoulder alignment device is linked to the rear unloading device.

In other words, the shoulder alignment device includes a pair of endless endless belts arranged to face each other in the left-right direction to form a shoulder alignment conveyance path extending in the front-rear direction, while the rear unloading device extends in the front-rear direction. A pair of endless endless strips arranged to face left and right in order to form a pinch-and-conveyance path, and the starting end of the endless endless strip is located immediately above the end of the endless endless shoulder. The drive pulley for aligning the endless belt is formed so as to project downward from the driven bully arranged at the start end of the endless belt, and the drive pulley is formed in the upper and lower overlapping state. It is arranged at the end of the aligned endless band.

In addition, the rear unloading device includes a pair of upper squeezing and unloading endless belts arranged to face each other in the left-right direction to form an upper squeezing and unloading path extending in the front-rear direction. A pair of lower endless belts, which are arranged to face each other in the left-right direction to form a lower pinch-out path extending in the front-rear direction. The lower part for driving the lower end of the endless strip is located below the upper drive pulley that is located at the end of the upper end of the endless strip. The drive pulley is formed so as to protrude, and the lower drive pulley is arranged at the end of the endless endless strip body.

In addition, the upper and lower endless strips are arranged such that the left and right end portions thereof are displaced from each other in the front-rear direction to form an open space between both end portions.

In addition, a driven pulley is arranged at the start end of the pair of left and right shoulder-aligned endless belts, each driven pulley is supported by driven pulley support means, and each driven pulley support means is provided with an elastic means. The driven pulleys are elastically biased by elastic means in a direction away from the drive bully disposed at the end of each endless belt.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

First, the overall configuration of a root vegetable harvester A according to the present invention will be described with reference to FIGS.

Fig. 1 is an overall side view of a root vegetable harvester A configured to harvest ginseng, a kind of root vegetable, Fig. 2 is a schematic plan view, Fig. 3 is a schematic front view, and Fig. 4 is a root vegetable harvester A. It is the whole transmission system diagram.

As shown in Fig. 1 to Fig. 4, the root vegetable harvesting machine A includes a self-propelled vehicle body A1 having a pair of left and right running parts 1, 1 and a pulling-out work part A2 for pulling out ginseng n in a field. Sorting console for sorting ginseng n extracted by work unit A2 It consists of a bear section A3 and a crop loading section A4 for harvesting and loading ginseng n sorted by the sorting section A3.

The self-propelled vehicle body A1 has a body frame 2 provided between a pair of right and left traveling units 1 and 1, an operation unit 3 and a motor unit 4 provided on the vehicle body frame 2, and an engine provided in the motor unit 4. The drive wheels la, la provided respectively on the pair of right and left traveling parts 1, 1 are linked to each other via a transmission 6 via a transmission 6.

In addition, while the driving unit 3 described above is disposed at the right front portion on the body frame 2, a pull-up operation unit A2 having a transfer direction rearward and upward at the left side on the body frame 2 is disposed. At the rear of the body frame 2 located just below the transport end of the lifting work section A2, a sorting conveyor A3 with the transport direction to the right is installed, and the transport end of the sorting conveyor A3 The crop loading section A4 is located just below the section (right end) and outside the right side of the self-propelled body A1.

The pulling-out work area A2 is provided with a foliage sorting and shaping device 7 disposed at the front end, and a lower rear position of the foliage sorting and shaping device 7 and an upper rear portion of the self-propelled vehicle body A1. A pulling and conveying device 8 that pulls ginseng n out of the field and conveys it rearward and upward by holding the part of the foliage k of ginseng n in a high inclined posture, and nipping and conveying the pulling and conveying device 8 A chisel 9 disposed near the transport start end of the road 8a (see Fig. 3) and a carrot that is disposed near the transport end of the pull-out transport device 8 and transported rearward and upward by the pull-up transport device 8 A shoulder aligner 10 that acts on the shoulder ml of the main root m of n (see Fig. 5) to align the shoulder ml, and the foliage k of ginseng n whose shoulder is aligned by the shoulder aligner 10 And a foliage k of ginseng n which is carried out by the rear carrying-out device 11 Foliage cutting device for cutting from the neck The pulling-up work unit A2 is configured to rotate up and down like a seesaw as a whole with a pivot point 19 described later as a fulcrum.

The foliage sorting and shaping device 7 is composed of a foliage feeding mechanism 15 provided with a horizontal tine 14 projecting horizontally from the casing 13, and a casing provided orthogonally to an outer portion of the casing 13. A leaf splitting mechanism 18 provided with a vertical turning tine 17 that protrudes from the front upper surface of the single thing 16 and moves upward and rearward is provided. In this way, the foliage sorting and shaping apparatus 7 separates and separates the foliage k of ginseng n in the extraction area and the foliage k of ginseng n out of the extraction area by the leafing mechanism 18. The foliage k of the ginseng n in the pulling area is drawn into the transport start end of the nipping transport path 8a of the pulling transport device 8 by the foliage feeding mechanism 15.

The pulling-up / conveying device 8 is provided with a base end of a support arm 20 attached to a rotation fulcrum 19 whose axis is oriented substantially horizontally in the left-right direction. By attaching the middle part, the support frame 21 can be turned up and down around the rotation fulcrum 19, and a pair of left and right starting end side bodies 22, 22 are attached to the front end of the support frame 21. At the rear end of the support frame 21, a pair of left and right end side wheels 23, 23 is attached, and a pair of right and left endless transport belts are provided between the pair of left and right wheels 22, 22, 23, 23 opposed in the front and rear directions. 25 and 25 are wound around each other to form the above-mentioned nipping transport path 8a between the opposing surfaces of the two nipping and transporting endless belts 25 and 25, and the nipping and transporting path 8a is outside the outer edge of the traveling section 1 on the left side. , It is arranged so as to be parallel to the traveling direction of the self-propelled body A1 in plan view (see Fig. 3). 24 is an intermediate wheel, 47 is a ground wheel, and 48 is a ground wheel support.

Then, each of the endless conveying belts 25 is connected to each of the wheel bodies 22, 23, 24 having the V-pulley structure. A clamping band made of a soft elastic material is stretched around the outer periphery of the V-belt to be wound, and the foliage k of ginseng n is clamped between the clamping bands facing left and right.

As shown in FIGS. 1 and 2, the chisel 9 is attached to the self-propelled vehicle body A1 via a lifting link mechanism 26 so as to be able to move up and down. The lifting link mechanism 26 is pivoted about upper and lower pivots 26a and 26b. A vertical support rod 26e is connected between the front ends of the upper link 26c and the lower link 26d, which rotate vertically, and a lift cylinder 26f is formed between the vertical support rod 26e and the self-propelled vehicle body A1. I have.

The chisel 9 is formed by suspending the vertical blade 9a from the vertical support rod 26e and extending the horizontal blade 9b laterally from the lower end of the vertical blade 9a.

Also, while an input pulley 27 is attached to the upper pivot 26a, an output pulley 28 is provided on the output shaft 5a of the engine 5, and a transmission belt 29 is wound between the pulleys 27, 28, The base end of the upper link 26c is connected to the eccentric boss (not shown) fitted to the pivot 26a, and the upper link 26c is swung by the rotation of the eccentric boss, so that the lower part of the underground portion of the root vegetable (main root) is appropriately positioned. The chisel 9 in which the horizontal blade 9b enters the soil can be vibrated up and down and back and forth, or up and down or back and forth.

In addition, the lower link 26d is provided with a push-up rotary roller 26g, while the lower surface of the pulling-up and transporting device 8 is provided with a guide rail 8b formed by bending it into a 側面 shape when viewed from the side. 26g of the above-mentioned push-up rotating roller is in contact with the lower surface of the screw 8b.

In this way, when the lifting / lowering cylinder 26f is extended and the lifting / lowering link mechanism 26 is raised and rotated, the push-up rotary roller 26g provided on the lower link 26d of the lifting / lowering link mechanism 26 is moved by the lifting / lowering transport device 8. Guy on the bottom It moves along the lower surface of the drain 8b so that the lower end of the foliage sorting and shaping device 7 and the pull-out and transfer device 8 together with the chisel 9 can be raised significantly from the ground.

As shown in FIGS. 1, 2, and 4, a lateral transmission cylinder 34 is provided at a position concentric with the rotation fulcrum 19, and extends forward and rearward at the outer end of the lateral transmission cylinder 34. The rear end of the front-rear extension transmission pipe 35 is interlocked and connected to the front end of the front-rear extension transmission pipe 35 to extend in the left-right direction and transmit power to the foliage feeding mechanism 15 of the foliage sorting and shaping device 7 The left end of the left and right extension transmission pipe 36 is linked and the rear end of the transmission case 37 extending in the front-rear direction is linked to the left end of the left and right extension transmission pipe 36, and the front end of the transmission case 37 The leaf splitting mechanism 18 of the foliage sorting and shaping device 7 is interlocked and connected via a horizontal case 38.

Then, a transmission belt 32 is wound between an output pulley 30 attached to the upper pivot 26a and an input pulley 31 attached to the inner end (right end) of the rotation fulcrum 19. Power is transmitted from the pivot 26a to the rotation fulcrum 19, and furthermore, the rotation fulcrum 19 → front and rear extension transmission pipe 35 → left and right extension transmission pipe 36 transmission case 37 side case 38 foliage insertion mechanism 15 and leaf separation mechanism The power is transmitted to 18 so that the foliage feeding mechanism 15 and the leaf splitting mechanism 18 are individually driven.

Also, at the outer end (left end) of the rotation fulcrum 19, a foliage cutting device 12, a rear unloading device 11, a shoulder alignment device 10, and a pulling-up transporting device 8 are provided via a rear transmission mechanism 41. The devices 12, 11, 10, and 8 can be driven in an interlocking manner, and the sorting conveyor A3 is linked in an interlocking manner with the sorting conveyor A3 via the sorting conveyor transmission mechanism 95 to form the same sorting conveyor A3. Can be driven And the root hair cutting device 49 can be driven via the root hair cutting device transmission mechanism 99.

That is, the rear transmission mechanism 41 has an output pulley 41a attached to the outer end of the rotation fulcrum 19, and an input / output shaft 43 whose axis is oriented in the left-right direction is provided in a drive case 42 that drives the foliage cutting device 12. An input pulley 41b is attached to the left end of the input / output shaft 43, and a transmission belt 41c is wound between the pulleys 41a and 41b.

A pair of left and right output pulleys 41d, 41d are attached to the right end of the input / output shaft 43, while a pair of left and right driving gear cases 44, 44 for driving the rear general output device 11 are respectively provided with left and right axial lines. Input pulleys 41e, 41e are attached to each input shaft 45, 45, and a pair of left and right input shafts 46, 46 provided at the end of the pulling and conveying device 8. The input pulleys 41f, 41f are attached, and the transmission belts 41g, 41g are wound between the input / output pulleys 41e, 41e, 41d, 41d, 41f, 41f. 41h is a tension roller. As shown in FIGS. 5 to 7, the foliage cutting device 12 is provided with the input / output shaft 43 having an axis oriented in the left-right direction in the drive case 42, and the axis is oriented in the front-rear direction on the input / output shaft 43. The rear ends of a pair of left and right transmission shafts 50, 50 are interlockingly connected via bevel gears 51, 51, 52, 52, and a rotary blade support with the axis vertically directed to the front end of each transmission shaft 50, 50. The intermediate portions of the shafts 53, 53 are interlockingly connected via bevel gears 54, 54, 55, 55, and disk-shaped rotating blades 56, 56 are attached to the upper end of each rotating blade support shaft 53, 53. The cutting portions 57 are formed by superimposing the inner portions of the rotary blades 56 and 56 on each other to form a cutting action portion 57, and the cutting action portion 57 removes the upper foliage k from near the upper end which is the neck of the main root m of the ginseng n. I am trying to cut it. Numeral 58 is a rotary blade side cover. As shown also in FIGS. 5 to 8, the rear unloading device 11 is configured by arranging an upper rear unloading mechanism 60 and a lower rear unloading mechanism 61 in a vertically opposed state.

The upper rear unloading mechanism 60 includes a pair of left and right driving gear cases 44, 44, and a pair of left and right driving shafts 62, 62 having a vertical axis oriented to input shafts 45, 45 provided in the left and right directions. 62 are linked via bevel gears (not shown), and a pair of left and right drive burley bodies 63, 63 are attached to the lower ends of the drive shafts 62, 62, while a supporting machine frame provided on the self-propelled body A1 A pair of left and right upper driven pulleys 65, 65 are attached to the upper and lower sides via pulley support shafts 66, 66 whose axes are oriented vertically, and each upper driven pulley 65, 65 and each of the drive pulley bodies 63, 63 A pair of upper and lower endless strips 67, 67 are wound in a pair so that they are opposed to each other in the left-right direction. A pinch discharge path 68 is formed. 69 is a tension roller, and 70 is an intermediate guide roller.

Then, the inner rotating side portions of the pair of left and right upper pinching / unloading endless strips 67, 67 are brought into contact with each other in a pressed state, and while holding the upper part of the foliage k in the upper pinching / unloading path 68, moving backward. It can be carried out.

Here, the pair of left and right driving pulleys 63, 63 are arranged such that the left driving pulley 63 is disposed rearward of the right driving pulley 63 so that they are not displaced in the front-rear direction. An open space 71 is formed between the end portions of the endless belt bodies 67, 67 for holding and carrying out the upper portion.

The pair of left and right drive pulleys 63, 63 are respectively driven downwardly from the upper drive burleys 63a, 63a disposed at the end portions of the upper holding and carrying endless belts 67, 67. The lower drive pulleys 63b, 63b And are integrally molded.

Also, as shown in FIG. 5, the upper driven pulleys 65, 65 are disposed immediately below the pulling-up and transporting device 8 to pull out the front end of the upper pinching and carrying-out path 68 and pull up the transporting device of the carrying device 8. By disposing them in close proximity to 8a, the delivery of the foliage k held between the nipping and conveying path 8a and the upper nipping and discharging path 68 is performed smoothly and reliably.

The lower rear unloading mechanism 61 attaches a pair of left and right driven pulleys 72, 72 to the above-described supporting machine frame 64 via burley support shafts 73, 73 whose axes are oriented in the vertical direction. A pair of left and right lower sandwiching / unloading endless belts 74, 74 are wound in a left-right direction between a pair of left and right lower driving pulleys 63b, 63b formed between lower driven pulleys 72a, 72a formed on the left and right driving pulleys 63b, 63b. By turning the lower end holding / unloading endless belts 74, 74, a lower holding / exporting path 75 extending in the front-rear direction is formed. 76 is a tension roller.

The inner rotating side portions of the pair of left and right lower holding and carrying endless belts 74 and 74, which are disposed to face directly below the pair of left and right upper holding and carrying endless belts 67 and 67, are spaced apart from each other by a fixed distance. The lower pinch and carry-out path 75 is arranged so as to coincide with the upper pinch and carry-out path 68 described above, and the lower part of the foliage k is gently narrowed in the lower part of the pinch and carry-out path 75. So that the ginseng n can be transported backward while maintaining the hanging posture in a good condition.

Further, the pair of left and right driven pulley bodies 72, 72 are arranged so as to be displaced rearward from the pair of left and right upper driven pulleys 65, 65, and the lower driven pulleys formed on the respective driven pulley bodies 72, 72 are arranged. Drive pulleys 72b, 72b for driving the shoulder-aligned endless belt are formed to protrude downward from 72a, 72a. A leaf guide 77 is provided at the end of each of the upper and lower pinch and carry-out paths 68, 75. The leaf guide 77 is used to remove the foliage k of carrot n cut by the foliage cutting device 12. However, the guide function is used to release and drop the ginseng to the field.

The shoulder aligning device 10 is provided with a pair of left and right driven pulley support means 80, 80 on the support machine frame 64, and supports the pair of left and right driven pulleys 81, 81 by the driven bully support means 80, 80. A pair of left and right shoulder-aligned endless strips 82, 82 are wound between 81, 81 and the driving pulleys 72b, 72b, and are fixed between the inner rotation side portions of the both shoulder-aligned endless strips 82, 82. A shoulder alignment conveyance path 83 is formed to extend forward and backward at an interval.

Here, the shoulder aligning conveyance path 83 is formed to have a lateral width through which the foliage k of ginseng n passes without hindrance, and is formed narrower than the shoulder part ml of ginseng n, and is conveyed while being pulled upward. The shoulder ml of the ginseng n comes into contact with the lower portions of the surfaces 82a, 82a of the shouldered endless strips 82, 82, and the ginseng n is lifted upward by the shouldered endless strips 82, 82. During the transport while regulating, the height of the shoulder part ml of ginseng is adjusted.

In this manner, the cutting action portion 57 of the rotary blades 56, 56 provided in the succeeding foliage cutting device 12 is arranged immediately behind the shoulder alignment conveyance path 83, and the cutting action portion 57 and the carrot n The foliage k can be cut at a position as close to the shoulder ml as possible so that the relative vertical position with respect to the shoulder ml can be properly ensured.

Then, a concave-convex portion for preventing slippage is formed on the surfaces 82a, 82a of the endless belts 82, 82 with both shoulders aligned, so that the shoulder ml of the carrot n can be securely held and transported rearward. I can do it. Each driven pulley support means 80 has a support plate 84 attached to a support machine frame 64, and pivots a middle part of a tension arm 86 via an arm support shaft 85 having an axis directed vertically to the support plate 84. The driven pulley 81 is attached via a driven pulley pivot pin 87 at the distal end of the tension arm 86, and between the base end of the tension arm 86 and a spring support piece 88 provided on the support plate 84. A tension spring 89 is provided as an elastic means, and the driven pulley 81 is rotated forward (in a direction away from the driving pulley 72b) via the tension arm 86 by the tension spring 89. It is energizing.

In this way, the driven pulley 81 provides the tension function to the shoulder-aligned endless belt 82 via the driven pulley support means 80.

Here, in the vicinity of a pair of shoulder-aligned endless belts 82, 82 which are arranged to face each other in the left-right direction to form a shoulder-alignment conveyance path 83 extending in the front-rear direction, a pair of left-side spacing adjusters 90 are provided. , 90, and each of the gap adjusters 90, 90 is capable of adjusting the position of the inner rotating side of the shoulder-aligned endless strip 82, 82 in the left-right direction, that is, in the approaching / separating direction. The distance between the shoulder alignment conveyance paths 83 can be adjusted by the both distance adjusting bodies 90,90.

As described above, since the distance between the shoulder alignment conveyance paths 83 in the left and right direction can be adjusted, the interval adjustment is appropriately performed according to the type of root vegetables and the size of the main root m, and the shoulder alignment endless belt 82, By properly securing the shoulder alignment action of the main root m by 82, it is possible to appropriately cut the foliage k. In addition, the driven pulley 81 is disposed immediately below the pull-out transport device 8 as shown in FIG. 5, and the front end of the shoulder alignment transport path 83 is connected to the nipping transport path 8a of the pull-up transport device 8. By arranging them in close proximity, the clamping conveyance path 8a Thus, the shoulder portion ml of the ginseng n, which is conveyed while holding the foliage k, is smoothly and reliably transferred to the shoulder alignment conveyance path 83.

A pair of left and right guide rods 91, 91 extending in the front-rear direction is disposed between the above-described shoulder aligning device 10 and the pull-out transport device 8. By controlling the upper end of the main root m of the ginseng n which is suspended and conveyed by 8, the foliage k above the main root m of the ginseng n is accurately passed on to the upper rear unloading mechanism 60.

That is, the pair of left and right guide rods 91, 91 are each formed in a rod shape extending in the front-rear direction, and are arranged in a state facing each other with a certain interval therebetween to form a guide path 98. The width of the left and right of 98 is formed narrower than the width of the shoulder part ml of the main root m of ginseng n, and the front half of both guide rods 91, 91 is pulled out and steeply inclined along the lower surface of the conveying device 8. The rear half of both guide rods 91, 91 is formed with a gentle slope, and the rear end is disposed directly below a pair of left and right driven pulleys 81, 81 provided in the shoulder alignment device 10. .

The front end portions 91a, 91a of the pair of left and right guide rods 91, 91 are each bent outward to expand so that the foliage k of ginseng n can be easily taken into the guide path 98. Also, the rear end portions 91b, 91b of the carrots 91 are also bent outwardly so that the main root m of the carrot is smoothly inherited by the shoulder-aligned endless strips 82, 82 without being damaged. 92 and 93 are guide rod mounting brackets for mounting the guide rods 91 and 91 to the supporting machine frame 64. As described above, since the guide path 98 having a width smaller than the width of the shoulder ml of the main root m is formed between the pair of left and right guide rods 91, 91, the main root m of the ginseng n is formed by the inner rod in both cases. Since the shoulder cannot be passed upward due to 91, 91, the shoulder ml remains in contact with the guide rods 91, 91, but the foliage k of carrot n is freely between the guideways 98. , And is securely clamped by the upper pull-up and transfer device 8 and the upper rear unloading mechanism 60.

At this time, between the shoulder-aligned endless belts 82, 82, the main root m is not pinched, but can be freely moved, and the shoulder ml is moved to the pair of left and right guide rods 91, 91 with the shoulder-aligned endless belts 82, 82. , 82, the shoulder is aligned.

In the present embodiment, a root hair cutting device 49 is provided in the middle of the transport of the pulling-up work section A2, so that the root hair of the ginseng n can be cut by the root hair cutting device 49 in the middle of the transportation.

That is, as shown in FIG. 4, the root hair cutting device 49 is provided with a pepper gear shaft 49a having an axis oriented in the left-right direction in parallel with the rotation fulcrum 19, and an input pulley 49b attached to the same bevel gear shaft 49a. On the other hand, an output pulley 49c is mounted on the pivot 19, and a transmission pelt 49d is wound between the pulleys 49b and 49c to form the root hair cutting device transmission mechanism 99, which is vertically aligned with the bevel gear shaft 49a. The pair of left and right disk cutting blade supports 49e, 49e facing each other are interlocked and connected via bevel gears 49f, 49f, 49g, 49g, and the disk cutting blades 49h, 49h are mounted on each disk cutting blade support shaft 49e, 49e. By rotating both disc cutting blades 49h, 49h, the root hair of ginseng n can be cut.

The sorting conveyor section C receives the main root m falling by cutting the foliage k and transports it to the lateral outside lateral side of the self-propelled body A1 located on the opposite side of the pulling-out work section Α2. In addition, the transmission 6 is configured to be rotationally driven in a desired direction by power transmitted from the transmission shaft 94 of the transmission 6 to the input unit 96 via the sorting conveyor unit transmission mechanism 95. I have. Then, the main root m group of ginseng η dropped on the sorting conveyor section C While being transported toward the transport end of the conveyor section C, defective products in the main root m group are manually or automatically selected and removed, and non-defective products that have reached the transport end of the sorting conveyor section C The main root m is stored in a container 97 arranged in the crop loading section D.

The crop loading section D is attached to the right side of the self-propelled body A1 opposite to the pull-out work section B so as to be able to stand up and down, and extends to the side of the self-propelled body A1 during work. The container 97 is placed in a substantially horizontal position, and the container 97 is placed thereon.

The root vegetable harvesting machine A according to the present embodiment is configured as described above. When the root vegetable harvesting machine A harvests ginseng n, the root vegetable harvesting machine A pulls out the ginseng by shortening the lifting cylinder 26f. The front part of the working part B is lowered to the working posture, and the starting end of the foliage-feeding working path of the pulling-up working part and the nipping transport path 8a of the pulling-out transporting device 8 becomes the ginseng n running in the field. The self-propelled body A1 is advanced while operating the parts of the pull-out work section B so that they match.

At this time, the vertical turning tine 17 of the leaf separating mechanism 18 separates the stems and leaves k of the ginseng n within the lifting area and the stems and leaves k of the carrot n outside the lifting area, and the foliage of the ginseng n within the lifting area that has been separated. The k is brought into contact with the starting end of the nipping conveyance path 8a of the pulling-up conveyance device 8 while the horizontal turning tine 14 of the foliage feeding mechanism 15 raises and shapes the k.

Then, the foliage k of the ginseng n reaching the nipping transport path 8a of the pulling-up transporting device 8 is nipped by the nipping transport path 8a and lifted obliquely upward and upward, whereby the main root m of the ginseng n is removed from the soil. However, at that time, due to the extraction work part B descending to the ground, it will be properly positioned below the main root m of ginseng n The chisel 9 oscillates and excavates in the soil to soften the soil, so the main root m of the ginseng n is pulled out with a slight force.

The upper end of the main root m of the ginseng n, which is lifted and conveyed diagonally to the upper side in a suspended state with the stems and leaves k held in the holding conveyance path 8a of the pulling and conveying device 8, has a guide rod attached to the lower surface of the pulling and conveying device 8. The pair of left and right guide rods 91, 91 is constrained by the lower surfaces of a pair of left and right guide rods 91, 91 attached via brackets 92, 93 and conveyed upward and backward.c. Slant upward along the lower surface of the device 8, loosen the angle of inclination from the middle, and pull it up Bend in the direction overlapping the shoulder-aligned endless belts 82, 82 located below the conveyor 8 It is formed.

Then, at the final end of the pair of left and right guide rods 91, 91, when the main root m of the ginseng n is inherited from the pair of left and right guide rods 91, 91 to the shoulder-aligned endless strips 82, 82, the ginseng n The main root m is formed by bending it in an expanded shape so as not to damage it.

Subsequently, the ginseng n is transferred from the pair of left and right guide rods 91, 91 to the shoulder-aligned endless strips 82, 82, and is cut from the shoulder-aligned endless strips 82, 82 by the upper and lower rear unloading mechanisms 60, 61. When the process is further shifted to the device 12, the foliage k of the ginseng n is cut by the foliage cutting device 12 in that state because the portion of the foliage k of the ginseng n is sandwiched by the upper and lower rear carrying-out mechanisms 60 and 61.

As a result, the main root m of ginseng n, which has been released by cutting the foliage k, falls naturally on the sorting conveyor C, undergoes the sorting action on the sorting conveyor C, and yields good products after sorting. It is stored in the container 97 provided in the loading section A4.

On the other hand, stems that are clamped by upper and lower rear The leaf k is released at the ends of the upper and lower rear carrying-out mechanisms 60 and 61, and is discharged rearward and downward while being guided by the leaf discharging guide body 77. Industrial applicability

According to the present invention, the following effects can be obtained.

(1) In the present invention, the shoulder aligning device is linked to the rear carrying-out device. In this way, the shoulder aligning device is linked to the rear unloading device, and the transmission mechanism for driving the shoulder aligning device is not separately provided, so that the shoulder aligning device and the rear unloading device can be vertically moved relative to each other. When installing the equipment close to the shoulder, there is no need to secure a space for installing a power transmission mechanism to transmit power to the shoulder alignment device. Can be specified.

As a result, the lower end of the foliage can be clamped as much as possible by the rear discharge device, so that even when the fuselage is tilted left and right, it is possible to prevent a significant change in the attitude of the main root. However, it is also possible to prevent a problem that the cutting edge of the foliage by the subsequent foliage cutting device is oblique (a defective product as a product).

(2) In the present invention, the shoulder alignment device includes a pair of shoulder-aligned endless belts arranged to face each other in the left-right direction so as to form a shoulder alignment conveyance path extending in the front-rear direction. A pair of lower endless strips that are arranged to face each other in the left-right direction so as to form a lower pinch-out path extending in the left and right direction. A drive for endless belt driving with the shoulder end aligned below the driven pulley placed at the start end of the endless belt with the lower end sandwiched and unloaded while the start end of the belt is vertically stacked. The pulleys are formed so as to protrude, and the drive pulley is arranged at the end of the shoulder-aligned endless belt.

As described above, since the driven bully disposed at the start end of the lower endless carrying endless belt and the drive pulley disposed at the end of the shouldered endless belt are integrally formed, the shoulder-aligned endless belt is not formed. The power transmission structure can be simplified, and the manufacturing cost can be reduced.

In addition, the shoulder-aligned endless band and the lower endless endless endless band can be arranged as close to each other as possible, and from this point, an appropriate position for holding the foliage by the rear discharge device can be easily set. can do.

(3) In the present invention, the rear unloading device is composed of a pair of upper pinching and unloading endless belts arranged to face each other in the left and right direction to form an upper pinching and unloading path extending in the front and rear direction, and a lower pinching and unloading strip extending in the front and rear direction. A pair of lower endless endless belts arranged to face each other in the left-right direction to form a path, and the upper and lower endless endless endless belts are vertically aligned with the upper and lower endless output paths. The lower drive bully for driving the lower holding and unloading endless belt is projected downward from the upper drive bully arranged at the end of the upper holding and discharging endless belt. And the lower drive bully is arranged at the end of the lower endless belt. .

As described above, since the upper drive pulley disposed at the end of the upper pinch-and-carry-out endless belt and the lower drive pulley disposed at the terminal end of the lower pinch-and-carry-out endless belt are integrally formed, The structure for transmitting power to the lower end holding and discharging endless belt can be simplified, and the manufacturing cost can be reduced.

Moreover, the upper and lower endless endless belts should be connected to the upper and lower endless endless belts as much as possible. It can be arranged close to each other, and it is easy to set the appropriate foliage pinching position by the upper and lower clamped endless strips. Can be satisfactorily secured.

では In the present invention, the upper and lower sandwiching endless endless belts are arranged with their left and right end portions shifted from each other in the front-rear direction to form an open space between both end portions. .

In this way, since the positions of the left and right end portions of the upper and lower sandwiching endless endless belts are shifted from each other in the front-rear direction, an open space is formed between both end portions. The foliage that is conveyed while being nipped by the upper and lower sandwiching endless belts can be reliably released in the open space, and as a result, the foliage at both ends can be prevented from being clogged.

According to the present invention, driven pulleys are respectively disposed at the start ends of the pair of left and right shoulder-aligned endless belts, and each driven pulley is supported by driven pulley support means, and each driven pulley support means is provided with elastic means. Thus, each driven bury is elastically urged by the respective elastic means in a direction away from the drive bury disposed at the end of each shoulder-aligned endless band.

As described above, the tension mechanism of the shoulder-aligned endless belt is constituted by the driven pulley supporting means for supporting the driven pulley and the elastic means provided on the driven pulley supporting means, so that a separate tension mechanism is provided. By eliminating the necessity, the structure of the shoulder alignment device can be simplified and compact, and the manufacturing cost can be reduced.

In addition, when a large load is applied to the start ends of the pair of left and right shoulder-aligned endless belts, each driven bully moves backward against the elastic biasing force of the elastic means to relax the shoulder-aligned endless belts. , Shoulder alignment equipment and root vegetables are damaged Can prevent accidents

Claims

The scope of the claims

1. With the pulling and conveying device (8), which holds the root and stem (k) of the root vegetable and pulls the root vegetable out of the field and transports it upward and backward, and the lifting and conveying device (8) Acts on the shoulder (ml) of the root vegetables that are conveyed upwards afterwards, and aligns the shoulder (ml). The shoulder alignment device (10) and the shoulder alignment device (10) align the shoulder (ml). A rear discharge device (11) that grips the roots and leaves (11) of the root vegetables and transports them to the rear, and a foliage that cuts the roots and leaves (k) of the root vegetables that are transported by the rearward transportation device (11) from the neck. A root cropper having the device (12),

Root cropping machine characterized in that the shoulder alignment device (10) is linked to the rear unloading device (11).

2. The shoulder alignment device (10) is provided with a pair of shoulder-aligned endless strips (82, 82) arranged to face each other in the left-right direction to form a shoulder alignment transport path (83) extending in the front-rear direction. On the other hand, the rear unloading device (11) is provided with a pair of lower pinching and unloading endless strips (74, 74) arranged to face each other to form a lower pinching and discharging path (75) extending in the front-rear direction. And

At the position immediately above the end of the shoulder-aligned endless band (82, 82), the starting end of the lower sandwiched endless endless band (74, 74) is arranged in a vertically overlapping state, and the lower sandwiched endless endless band (74, 82) is placed. The driving pulleys (72b, 72b) for driving the shoulder-aligned endless belt are formed so as to protrude downward from the driven pulleys (72a, 72a) arranged at the starting end of the driving pulley. The root vegetable harvesting machine according to claim 1, wherein the (72b, 72b) is arranged at the end of the shoulder-aligned endless band (82, 82).

3. The rear unloading device (11) is composed of a pair of upper nipping and unloading endless strips (67, 67) that are arranged opposite to each other in the left and right direction to form an upper nipping and unloading path (68) extending in the front-rear direction. A pair of lower end-carrying-out endless belts (74, 74) arranged to face each other in the left-right direction so as to form a lower holding-out path (75) extending in the left and right directions.

The upper and lower pinching and unloading endless belts (67, 67, 74, 74) are arranged so that the upper and lower pinching and unloading paths (68, 75) coincide with each other in the vertical direction. The lower drive pulleys (63b, 63b) for driving the lower sandwiching endless belt are projected downward from the upper drive burries (63a, 63a) arranged at the end of the unloading endless band (67, 67). The root vegetable harvesting machine according to claim 2, characterized in that the lower drive pulley (63b, 63b) is arranged at the end of the lower clamping endless strip (74, 74).

4. Upper and lower endless strips (67, 67, 74, 74) are arranged with their left and right end parts shifted from each other in the front-rear direction, and are opened between both end parts. 4. The root vegetable harvester according to claim 3, wherein a space (71) is formed.

5. A pair of right and left shoulder-aligned endless belts (82, 82) are respectively provided with driven buries (81, 81) at the starting ends thereof, and each driven pulley (81, 81) is provided with a driven burley support means ( 80,80), each driven bury support means (80,80) is provided with elastic means, and each driven bury (81,81) is fixed to each shoulder-aligned endless belt (82,82) by each elastic means. The root vegetable harvesting machine according to any one of claims 2 to 4, wherein the root vegetable harvesting machine is elastically biased in a direction away from the driving pulleys (72b, 72b) disposed at the end.