CN103330569A - Measuring device and measuring method for tension of bivalve adductor muscle - Google Patents
Measuring device and measuring method for tension of bivalve adductor muscle Download PDFInfo
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- CN103330569A CN103330569A CN2013102163371A CN201310216337A CN103330569A CN 103330569 A CN103330569 A CN 103330569A CN 2013102163371 A CN2013102163371 A CN 2013102163371A CN 201310216337 A CN201310216337 A CN 201310216337A CN 103330569 A CN103330569 A CN 103330569A
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- CN
- China
- Prior art keywords
- gag
- pulling force
- closed shell
- determinator
- strain gauge
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Abstract
The invention discloses a measuring device and a measuring method for tension of a bivalve adductor muscle. The measuring device comprises a base, an opening device fixed on the base, a tripod, a lever device which is arranged at the top end of the tripod, and connected by a connecting nut, and a tension meter arranged between the lever device and the opening device, and is characterized in that three standing bars of the tripod rotate around a pivot; circular rings are arranged at the lower parts of the standing bars; a limiting hook is hung between the circular rings of every two adjacent standing bars; and the two ends of the tension meter are connected with the lever device and the opening device by connecting hooks. The measuring device and the measuring method have the benefits that the lever device and the tripod can be split; the tripod can be folded into a line; the tension meter can be dismounted from the measuring device; the size of the complete split device is only 0.10m*0.15m*0.50m; the weight is only about 2.0kg; the measuring device is convenient to carry and operate, and quick to assemble; outdoor field measuring is facilitated; and the measuring method is simple, accurate, and easy to achieve.
Description
Technical field
The present invention relates to a kind of determinator and assay method of closed shell flesh pulling force, be specifically related to a kind of determinator of portable bivalve shellfish closed shell flesh pulling force and utilize this device to measure the method for closed shell flesh pulling force.
Background technology
The motion of the shell of bivalve shellfish mainly shrinks to control by closed shell flesh.Quantity according to closed shell flesh is divided bivalve shellfish, can be divided into two classes: single column and twin columns type.
The closed shell flesh of single column shellfish is positioned at the nearly central authorities of shell, generally comprises nearly translucent striped muscle and slightly white smooth muscle two parts.Striped muscle is responsible for the shell closing movement, can make very fast the closing of shell, and smooth muscle movement is slower, and shell is closed lastingly.Chlamys farreri, bay scallop, pinctada fucata, Pacific oyster and Kumamoto Concha Ostreae belong to the single column shellfish.
Twin columns type shellfish has two closed shell flesh is arranged: anterior adductor muscle and posterior adductor muscle.When current, posterior adductor muscle shrank, two shells closed; When lax, shell opens two shells by ligament elasticity.Mussel, Tegillarca granosa, Concha Meretricis Seu Cyclinae and Conch Meretricis seu Cyclinae belong to twin columns type shellfish.
The size of closed shell flesh pulling force can reflect the physiological property of shellfish self and the health condition of body, by measuring closed shell flesh pulling force size, can set up the corresponding relation between closed shell flesh pulling force and the bivalve shellfish survival rate.
Measure the size of closed shell flesh pulling force, need use special determinator, and existing determinator, overall structure can not be split, and causes the inconvenience of carrying and operating, and measurement has brought certain trouble to field condition.So, need improve the structure of existing determinator.
Summary of the invention
Deficiency for the determination techniques that solves bivalve shellfish closed shell flesh pulling force, the object of the present invention is to provide the determinator that a kind of overall structure is detachable, be convenient for carrying and operate, be convenient to the portable bivalve shellfish closed shell flesh pulling force that field condition measures, and the method for utilizing this device mensuration closed shell flesh pulling force.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of determinator of bivalve shellfish closed shell flesh pulling force, comprise: base, be fixed on the gag on the base, A-frame is arranged on the leverage on the top of A-frame, and is arranged on the strain gauge between leverage and gag, it is characterized in that, three legs of aforementioned A-frame rotate around same pivot, and the bottom of leg is provided with annulus, hang with spacing hook between the annulus of adjacent two legs; The upper end of aforementioned strain gauge, lower end all are connected with leverage, gag by coupling hook; Aforementioned gag is tong-like, and opening is flat, and the draw-in groove that the anterior sharp rear portion of opening is wide, there is projection at the rear portion.
The determinator of aforesaid bivalve shellfish closed shell flesh pulling force is characterized in that, is rotationally connected by the attaching nut between aforementioned leverage and the A-frame.
The determinator of aforesaid bivalve shellfish closed shell flesh pulling force is characterized in that, also is provided with lever stress levels fixture between aforementioned leverage and the A-frame.
The determinator of aforesaid bivalve shellfish closed shell flesh pulling force is characterized in that, aforementioned pulling force is counted the digital strain gauge that shows.
The determinator of aforesaid bivalve shellfish closed shell flesh pulling force is characterized in that each leg of aforementioned A-frame is provided with two annulus.
The determinator of aforesaid bivalve shellfish closed shell flesh pulling force is characterized in that the opening thickness of aforementioned gag is less than 2mm.
Utilize aforesaid determinator to measure the method for bivalve shellfish closed shell flesh pulling force, it is characterized in that, may further comprise the steps:
(1), bivalve shellfish is stretched into the opening of gag, make the draw-in groove card of projection of the bivalve of shellfish and gag neat;
(2), gently press the end of leverage, observe the reading of strain gauge;
(3), after the stable reading of strain gauge, record this reading F
Strain gauge
(4), calculate closed shell flesh pulling force, formula is:
F
Close=L
1* F
Strain gauge/ L
2
Wherein, F
Close: closed shell flesh pulling force;
L
1: the horizontal range between the coupling hook on the gag and the rotating shaft of gag;
L
2: the horizontal range between the leading edge of the draw-in groove of gag and the rotating shaft of gag.
Usefulness of the present invention is: leverage is detachable with A-frame, A-frame can be amounted to into a line, strain gauge can disassemble from determinator, the volume that splits the whole device in back only is 0.10m * 0.15m * 0.50m, weight only is about 2.0Kg, not only be convenient for carrying and operate, and assembling fast, and very convenient field condition is measured; Flat and the anterior sharp rear portion of the opening of gag is wide, is convenient to stretch in the shell of bivalve shellfish, and the rear portion of the opening of gag is formed with the draw-in groove of projection, in order to fixedly stretch into the length unanimity of bivalve shellfish shell.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the determinator of portable bivalve shellfish closed shell flesh pulling force of the present invention.
The implication of Reference numeral among the figure: 1-base, 2-gag, 3-A-frame, 4-leverage, 5-strain gauge, 6-pivot, 7 annulus, the spacing hook of 8-, 9-coupling hook, 10 attaching nuts, 11-lever stress levels fixture, 12-draw-in groove, 13-rotating shaft.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done concrete introduction.
With reference to Fig. 1, the determinator of portable bivalve shellfish closed shell flesh pulling force of the present invention, comprise: base 1, be fixed on the gag 2 on the base 1, A-frame 3, be arranged on the leverage 4 on the top of A-frame 3, and the strain gauge 5 that is arranged on 2 of leverage 4 and gags, the strain gauge 5 preferred digital strain gauges that show.
Wherein, base 1 has certain thickness, guarantees that the shell of bottom side in the mensuration process can not touch ground, thereby avoids influencing the reading of strain gauge; Gag 2 is tong-like, opening is flat, and the draw-in groove 12 that the anterior sharp rear portion of opening is wide, there is projection at the rear portion, has both made things convenient for gag 2 to stretch in the shell, guarantee fixedly to stretch into the length unanimity of bivalve shellfish shell again, thereby guaranteed the accuracy that closed shell flesh pulling force is measured; Three legs of A-frame 3 rotate around same pivot 6, the bottom of leg is provided with annulus 7, hang with spacing hook 8 between the annulus 7 of adjacent two legs, during use three legs are separately formed A-frame 3, by spacing hook 8 that A-frame 3 is fixing then, when not using three legs are retracted to a branch ofly, have saved the space greatly, and easy to carry; The upper end of strain gauge 5, lower end all are connected easy accessibility by coupling hook 9 with leverage 4, gag 2.
As a kind of preferred scheme, each leg of A-frame 3 is provided with two annulus 7, only can insert a spacing hook 8 in each annulus 7, thereby can improve the steadiness of A-frame 3.
As a kind of preferred scheme, be rotationally connected by attaching nut 10 between leverage 4 and the A-frame 3, attaching nut 10 can disassemble from A-frame 3, thereby leverage 4 can be separated with A-frame 3, is convenient for carrying.
Determinator of the present invention, its leverage is detachable with A-frame, A-frame can be amounted to into a line, strain gauge can disassemble from determinator, the volume that splits the whole device in back only is 0.10m * 0.15m * 0.50m, weight only is about 2.0Kg, not only be convenient for carrying and operate, and assembling fast, and very convenient field condition is measured.
Because the bivalve shellfish of the same race of different bivalve shellfish or different sizes, the openings of sizes difference that needs gag 2, so, as a kind of preferred scheme, also be provided with lever stress levels fixture 11 between leverage 4 and the A-frame 3, be used for regulating the size of gag 2 openings, thereby improve the suitability of determinator of the present invention.
As a kind of preferred scheme, the opening thickness of gag 2 is more convenient for gag 2 to stretch in the shell less than 2mm.
Utilize the said determination device to measure the method for bivalve shellfish closed shell flesh pulling force, may further comprise the steps:
(1), bivalve shellfish is stretched into the opening of gag 2, make draw-in groove 12 cards of projection of the bivalve of shellfish and gag neat;
(2), gently press the end of leverage 4, observe the reading of strain gauge 5;
(3), after the stable reading of strain gauge 5, record this reading F
Strain gauge
(4), calculate closed shell flesh pulling force, formula is:
F
Close=L
1* F
Strain gauge/ L
2
Wherein, F
Close: closed shell flesh pulling force;
L
1: the horizontal range between the coupling hook 9 on the gag and the rotating shaft 13 of gag;
L
2: the horizontal range between the leading edge of the draw-in groove 12 of gag and the rotating shaft 13 of gag.
Because the lobed draw-in groove 12 in rear portion of the opening of gag, when measuring, the draw-in groove 12 of the projection on shell outer end and the gag is alignd, thereby can guarantee fixedly to stretch into the length unanimity of bivalve shellfish shell, and then guarantee the accuracy that closed shell flesh pulling force is measured.
Need to prove that above-described embodiment does not limit the present invention in any form, all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (7)
1. the determinator of bivalve shellfish closed shell flesh pulling force, comprise: base, be fixed on the gag on the base, A-frame is arranged on the leverage on the top of A-frame, and is arranged on the strain gauge between leverage and gag, it is characterized in that, three legs of above-mentioned A-frame rotate around same pivot, and the bottom of leg is provided with annulus, hang with spacing hook between the annulus of adjacent two legs; The upper end of above-mentioned strain gauge, lower end all are connected with leverage, gag by coupling hook; Above-mentioned gag is tong-like, and opening is flat, and the draw-in groove that the anterior sharp rear portion of opening is wide, there is projection at the rear portion.
2. the determinator of bivalve shellfish closed shell flesh pulling force according to claim 1 is characterized in that, is rotationally connected by the attaching nut between above-mentioned leverage and the A-frame.
3. the determinator of bivalve shellfish closed shell flesh pulling force according to claim 1 is characterized in that, also is provided with lever stress levels fixture between above-mentioned leverage and the A-frame.
4. the determinator of bivalve shellfish closed shell flesh pulling force according to claim 1 is characterized in that, above-mentioned pulling force is counted the digital strain gauge that shows.
5. the determinator of bivalve shellfish closed shell flesh pulling force according to claim 1 is characterized in that, each leg of above-mentioned A-frame is provided with two annulus.
6. according to the determinator of any described bivalve shellfish closed shell flesh pulling force of claim 1 to 5, it is characterized in that the opening thickness of above-mentioned gag is less than 2mm.
7. utilize any described determinator of claim 1 to 6 to measure the method for bivalve shellfish closed shell flesh pulling force, it is characterized in that, may further comprise the steps:
(1), bivalve shellfish is stretched into the opening of gag, make the draw-in groove card of projection of the bivalve of shellfish and gag neat;
(2), gently press the end of leverage, observe the reading of strain gauge;
(3), after the stable reading of strain gauge, record this reading F
Strain gauge
(4), calculate closed shell flesh pulling force, formula is:
F
Close=L
1* F
Strain gauge/ L
2
Wherein, F
Close: closed shell flesh pulling force;
L
1: the horizontal range between the coupling hook on the gag and the rotating shaft of gag;
L
2: the horizontal range between the leading edge of the draw-in groove of gag and the rotating shaft of gag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216337.1A CN103330569B (en) | 2013-06-03 | 2013-06-03 | The determinator of bivalve shellfish closed shell flesh pulling force and assay method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216337.1A CN103330569B (en) | 2013-06-03 | 2013-06-03 | The determinator of bivalve shellfish closed shell flesh pulling force and assay method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103330569A true CN103330569A (en) | 2013-10-02 |
| CN103330569B CN103330569B (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310216337.1A Expired - Fee Related CN103330569B (en) | 2013-06-03 | 2013-06-03 | The determinator of bivalve shellfish closed shell flesh pulling force and assay method |
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| CN (1) | CN103330569B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248333A (en) * | 2015-11-12 | 2016-01-20 | 上海海洋大学 | Method of assessing shellfish health condition by adopting dynamometer |
| CN107219117A (en) * | 2017-06-30 | 2017-09-29 | 苏州艾酷玛赫设备制造有限公司 | A kind of portable film device for testing tensile strength |
| CN113933471A (en) * | 2021-10-16 | 2022-01-14 | 中国海洋大学 | Method for evaluating quality and character of scallop based on tension index |
| CN113951884A (en) * | 2021-10-16 | 2022-01-21 | 中国海洋大学 | Method for measuring tension of adductor muscle of bivalve shellfish |
| CN114158502A (en) * | 2021-12-09 | 2022-03-11 | 中国海洋大学 | Method for rapidly evaluating resistance of bivalve based on tension index |
Citations (6)
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| US4236528A (en) * | 1978-12-28 | 1980-12-02 | Anna Stanec | Apparatus and method for the quantitative measurement of the isometric contraction of the adductor pollicis muscle |
| JPH0453532U (en) * | 1990-09-12 | 1992-05-07 | ||
| CN2289467Y (en) * | 1997-04-04 | 1998-09-02 | 黄景煌 | Wreath frame with folding three-food |
| CN201169508Y (en) * | 2007-11-23 | 2008-12-24 | 戴民 | Triangular folding support for elevator |
| JP2009198227A (en) * | 2008-02-20 | 2009-09-03 | Mie Prefecture | Shell-closing force measuring instrument of bivalve |
| CN203259290U (en) * | 2013-06-03 | 2013-10-30 | 山东省海洋水产研究所 | Device for measuring adductor muscle tension of bivalve molluscs |
-
2013
- 2013-06-03 CN CN201310216337.1A patent/CN103330569B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4236528A (en) * | 1978-12-28 | 1980-12-02 | Anna Stanec | Apparatus and method for the quantitative measurement of the isometric contraction of the adductor pollicis muscle |
| JPH0453532U (en) * | 1990-09-12 | 1992-05-07 | ||
| CN2289467Y (en) * | 1997-04-04 | 1998-09-02 | 黄景煌 | Wreath frame with folding three-food |
| CN201169508Y (en) * | 2007-11-23 | 2008-12-24 | 戴民 | Triangular folding support for elevator |
| JP2009198227A (en) * | 2008-02-20 | 2009-09-03 | Mie Prefecture | Shell-closing force measuring instrument of bivalve |
| CN203259290U (en) * | 2013-06-03 | 2013-10-30 | 山东省海洋水产研究所 | Device for measuring adductor muscle tension of bivalve molluscs |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248333A (en) * | 2015-11-12 | 2016-01-20 | 上海海洋大学 | Method of assessing shellfish health condition by adopting dynamometer |
| CN107219117A (en) * | 2017-06-30 | 2017-09-29 | 苏州艾酷玛赫设备制造有限公司 | A kind of portable film device for testing tensile strength |
| CN113933471A (en) * | 2021-10-16 | 2022-01-14 | 中国海洋大学 | Method for evaluating quality and character of scallop based on tension index |
| CN113951884A (en) * | 2021-10-16 | 2022-01-21 | 中国海洋大学 | Method for measuring tension of adductor muscle of bivalve shellfish |
| CN113933471B (en) * | 2021-10-16 | 2022-06-21 | 中国海洋大学 | Method for evaluating quality character of scallop based on tension index |
| CN114158502A (en) * | 2021-12-09 | 2022-03-11 | 中国海洋大学 | Method for rapidly evaluating resistance of bivalve based on tension index |
| CN114158502B (en) * | 2021-12-09 | 2022-08-23 | 中国海洋大学 | Method for rapidly evaluating resistance of bivalve based on tension index |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103330569B (en) | 2015-07-29 |
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Granted publication date: 20150729 Termination date: 20180603 |