CN100497943C - Three forks rod axial plunger pump - Google Patents
Three forks rod axial plunger pump Download PDFInfo
- Publication number
- CN100497943C CN100497943C CNB2007100154724A CN200710015472A CN100497943C CN 100497943 C CN100497943 C CN 100497943C CN B2007100154724 A CNB2007100154724 A CN B2007100154724A CN 200710015472 A CN200710015472 A CN 200710015472A CN 100497943 C CN100497943 C CN 100497943C
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- plunger
- fork arm
- oil distribution
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009826 distribution Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001096 P alloy Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
It relates to an equal angular velocity, high efficient and high pressure three fork arm horizontal plunger pump, with the drive shaft horizontally passing through the oil distribution pan and the cylinder and moving with the cylinder, the oil distribution pan included between the cylinder and the shell, fixed by the positioning screw, two oil compression hole and oil drawing hole on the oil distribution pan connecting with the inlet and outlet respectively, cylindrical roller bearing and center adjusting spherical support drive shaft preventing the deviation of the drive shaft, cylindrical roller bearing is the support for the cylinder, passive shaft joint having three radial fork arm at one end within 120 degree, with each fork arm having concentrated joint bearing, the other end of the passive bearing center having cylindrical inner hole, with simple structure, synchronic feature, high efficiency, low cost, easy manufacturing and assembly.
Description
Technical field:
The present invention relates to a kind of isogonism speed that is used for fields such as engineering machinery, mine metallurgical machinery, boats and ships, high-effect and three forks rod axial plunger pump with high pressure.
Background technique:
The application area of high-pressure plunger pump relates to the every field of national economy, is wide in variety, one of product that has a large capacity and a wide range.Because high-pressure plunger pump has lot of advantages, so its use is increasingly extensive thereupon, main application fields comprises engineering machinery, mine metallurgical machinery and boats and ships or the like.The appearance of various novel high-pressure plunger pumps and application have particularly produced huge economic benefit and social benefit in most of industrially developed country in the world.The present chemical machinery industry of China, heavy machinery industry, the employed great majority of industrial fields such as engineering machinery still are inclined disc type or clino-axis type high-pressure plunger pump, and the application of three forks rod high-pressure plunger pump still is in the starting stage, shortcomings such as also there is complex structure in existing kind, and pressure and usefulness are low.But entered the inclined disc type of application in the world at present, the clino-axis type high-pressure plunger pump still exists the manufacturing process complexity, major defects such as manufacture cost height and Environmental Conditions condition height.
Summary of the invention:
The objective of the invention is to overcome the shortcoming that exists in the prior art, seek to design a kind of three forks rod axial plunger pump of preparation with constant angular velocity, high-effect and high pressure.
In order to realize the foregoing invention purpose, agent structure of the present invention comprises plunger (slide block), cylinder body, housing, import, transmission shaft, selfaligning ball bearing, roller bearing, set screw nail, oil distribution casing, outlet, driven axle coupling head, parts such as fork arm, plain radial bearing, pressure hydraulic fluid port and inlet port radially.Transmission shaft passes across oil distribution casing and cylinder body, and with cylinder body interlock, oil distribution casing is clipped between cylinder body and the housing, is fixed on the housing by positioning screwn, be motionless in the working procedure, two waist shapes that are shaped on the oil distribution casing press hydraulic fluid port and inlet port to communicate with import and outlet respectively; Roller bearing and selfaligning ball bearing supporting shaft also prevent that transmission shaft is free, and roller bearing is the support to cylinder body; Housing by about two symmetrical splits form, and be fixed as one by positioning screwn; The material of housing is avoided fatigue failure through heat treatment; Import and the certain preservative treatment of outlet process; Radially fork arm plunger portion branch comprises the driven axle coupling head, plain radial bearing, plunger (slide block), fork arm radially, driven axle connects first end circumferentially-spaced 120 degree symmetries and is shaped on three radially fork arms, on each fork arm plain radial bearing is housed, the plunger (slide block) that antiwear cast iron alloy is made is housed on the plain radial bearing, driven axle coupling head the other end center is shaped on cylindrical bore, with the weight reduction economical with materials, cylinder body symmetry vertically is shaped on three opening guide-track grooves (lining), and the plunger on the plain radial bearing is respectively charged into corresponding opening guide-track groove (lining); Plunger is evenly distributed in the cylinder body along circumference, the angle of driven axle coupling head axis and cylinder body axis tilt 20～40 degree, oil distribution casing maintains static, when motive force rotates cylinder body by transmission shaft, plunger is reciprocating in cylinder body, and presses oil and oil suction by pressure hydraulic fluid port on the oil distribution casing and inlet port.
When motive force of the present invention rotates cylinder body by transmission shaft, force plunger reciprocating in cylinder body, plunger is pressed oil and oil suction by the pressure hydraulic fluid port and the inlet port of fixed oil distribution casing.When the cylinder body corner in π～2 π scopes, plunger outward is stretched out, the seal operation volume in plunger base cylinder hole increases, form parital vacuum, fluid is under atmospheric effect, the import of self-pumping enters plunger base through the inlet port of oil distribution casing, by the inlet port oil suction of oil distribution casing, finishes oil-absorbing process; In 0～π scope, plunger is pushed into cylinder body, and the cylinder pore volume is reduced, and the fluid pressurized is discharged to delivery side of pump through the pressure hydraulic fluid port of oil distribution casing, finishes the oily process of pressing.Cylinder body whenever circles, and each plunger is respectively finished suction, pressed oil once.In the course of the work, the special construction of (three radially fork arm) because three fork arms, three fork arms are to do plane motion on the plane of β at the tilt angle, three fork arm intersection points are done the circumference revolution around the intersection point of transmission shaft and trident plane of movement, cylinder body whenever circles, and just finishes three oil suctions of plunger and presses oily process.Three forks rod axial plunger pump is that three plungers are configured on the circumference of a common cylinder body, and makes the plunger center line parallel with cylinder center line; By three radially fork arm drive three plungers and realize oil suction each time and press oil.
The present invention is a kind of isogonism speed that has compared with prior art, dynamical high-pressure plunger pump, and it is simple in structure, and net synchronization capability is good, the efficient height, cost is low, makes assembling easily, is convenient to characteristics such as commercial Application.The present invention is on the basis of original axial plunger pump structure, utilizes this particular structure of three fork arms to make improvements, and except the advantage of axial piston pump itself, also has novel structure, and processing and fabricating is convenient, simplified manufacturing process, and cost of production is low.
Description of drawings:
Fig. 1 is the present invention's agent structure principle schematic.
Fig. 2 is the present invention's three forks rod piston structure principle schematic.
Fig. 3 is the present invention's oil distribution casing structural principle schematic representation.
Embodiment:
During the invention process its agent structure comprise plunger (slide block) 1, cylinder body 2, housing 3, import 4, transmission shaft 5, selfaligning ball bearing 6, roller bearing 7 and 11, set screw nail 8, oil distribution casing 9, outlet 10, driven axle coupling head 12, radially fork arm 13, plain radial bearing 14, press parts such as hydraulic fluid port 15 and inlet port 16.Transmission shaft 5 passes across oil distribution casing 9 and cylinder body 2, and with cylinder body 2 interlock, oil distribution casing 9 is clipped between cylinder body 2 and the housing 3, is fixed by positioning screwn 8, be motionless in the working procedure, two waist shapes on the oil distribution casing 9 press hydraulic fluid port 15 and inlet port 16 to communicate with import 4 and outlet 10 respectively; Roller bearing 7 and selfaligning ball bearing 6 supporting shafts 5 also prevent that transmission shaft is free, and roller bearing 11 supports cylinder body 2, opens system three guide-track grooves (lining) on the cylinder body 2, is respectively applied for to connect three plungers.Positioning screwn 8 is used for fixing housing, and the material of housing (stainless steel 316,1Cr18Ni9Ti, 2Cr13, carbon steel nickel plating-phosphorus alloy anti-corrosion coating) through heat treatment, is avoided fatigue failure.Import 4 and the certain preservative treatment of outlet 10 processes.Three radially fork arm plunger part mainly by driven axle coupling head 12, plain radial bearing 14, plunger (slide block) 1, radially fork arm 13 constitutes, driven axle coupling head 12 1 end circumferentially-spaced 120 degree symmetries are shaped on three radially fork arms, plain radial bearing 14 respectively is housed on each fork arm, the slide block 1 that antiwear cast iron alloy is made is housed on the plain radial bearing 14.Driven axle coupling head 12 the other end centers are shaped on cylindrical bore, with the weight reduction economical with materials, driven axle coupling head 12 is shaped on segment shape plush copper with cylinder body 2 contact jaw centers, play the role of positioning, symmetry is shaped on three opening guide-track grooves (lining) around on the cylinder body 2, slide block (plunger) 1 (material: super property pottery, surfacing nickel alloy Ni60 abrasion-proof corrosion-proof layer) is respectively charged into corresponding opening guide-track groove (lining) (material is 35CrMo, 42CrMo), through modified hard nitriding treatment, intensity is big, hardness is high, wear-resisting durable.The opening guide-track groove is the linear rail groove with the parallel axes of transmission shaft, because three radially fork arm driven axle coupling head axis and angle betas of cylinder body axis tilt, wherein β=30 are spent, along with the rotation of transmission shaft, cylinder body and driven axle coupling head, realize the to-and-fro motion of plunger in guide-track groove.Owing to adopted area of contact is big when stressed joint shaft bearing and slide block in implementing as the transmitting element of load, can transmit bigger load, can form very big pressure, form a kind of high pressure type plunger pump.
When motive force of the present invention rotated cylinder body 2 by transmission shaft 5, because the effect of axle sleeve forces plunger 1 reciprocating in cylinder body, because oil distribution casing 9 is motionless, plunger 1 was pressed oil and oil suction by the pressure hydraulic fluid port and the inlet port of oil distribution casing 9.When cylinder body 2 corners in π～2 π scopes, plunger 1 is protruding, the seal operation volume in plunger base cylinder hole increases, form parital vacuum, fluid is under atmospheric effect, the import of self-pumping enters plunger base through the inlet port of oil distribution casing, by inlet port 15 oil suctions of oil distribution casing 9, finishes oil-absorbing process; In 0～π scope, plunger is pushed into cylinder body, and the cylinder pore volume is reduced, and the fluid pressurized is discharged to delivery side of pump for 16 mouthfuls through the pressure oil of oil distribution casing, finishes the oily process of pressing.Cylinder body whenever circles, and each plunger is respectively finished suction, pressed oil once.In the course of the work, because the special construction of three fork arms, three fork arms are to do plane motion on the plane of β at the tilt angle, three fork arm intersection points are made circumference around the transmission shaft and the intersection point of trident plane of movement and are revolved round the sun, cylinder body whenever circles, and just finishes three oil suctions of plunger and presses oily process.Three forks rod axial plunger pump is that three plungers are configured on the circumference of a common cylinder body, and makes the plunger center line a kind of pump parallel with cylinder center line.By three radially fork arm drive three plungers and realize oil suction each time and press oil.
Claims (2)
1. three forks rod axial plunger pump, agent structure comprises plunger, cylinder body, housing, import, transmission shaft, selfaligning ball bearing, roller bearing, set screw nail, oil distribution casing, outlet, driven axle coupling head, radially fork arm, plain radial bearing, pressure hydraulic fluid port and inlet port, it is characterized in that transmission shaft passes across oil distribution casing and cylinder body, and link with cylinder body, oil distribution casing is clipped between cylinder body and the housing and by positioning screwn and is fixed on the housing, and two waist shapes that are shaped on the oil distribution casing press hydraulic fluid port and inlet port to communicate with import and outlet respectively; Roller bearing and selfaligning ball bearing supporting shaft also prevent that transmission shaft is free, and roller bearing supports cylinder body; Housing by about two symmetrical splits form and be fixed as one by positioning screwn; Driven axle connects first end circumferentially-spaced 120 degree and is symmetrically arranged with three radially fork arms, on each fork arm plain radial bearing is housed, plunger is housed on the plain radial bearing, cylinder body symmetry vertically is shaped on three opening guide-track grooves, plunger on the plain radial bearing is respectively charged into corresponding opening guide-track groove, the angle of driven axle coupling head axis and cylinder body axis tilt 20～40 degree.
2. three forks rod axial plunger pump according to claim 1 is characterized in that radially fork arm plunger portion branch comprises driven axle coupling head, plain radial bearing, plunger, fork arm radially, and the other end center of driven axle coupling head is shaped on cylindrical bore; Plunger is evenly distributed in the cylinder body along circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100154724A CN100497943C (en) | 2007-04-30 | 2007-04-30 | Three forks rod axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100154724A CN100497943C (en) | 2007-04-30 | 2007-04-30 | Three forks rod axial plunger pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101042123A CN101042123A (en) | 2007-09-26 |
| CN100497943C true CN100497943C (en) | 2009-06-10 |
Family
ID=38807860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100154724A Expired - Fee Related CN100497943C (en) | 2007-04-30 | 2007-04-30 | Three forks rod axial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100497943C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594289B (en) * | 2020-12-14 | 2022-07-01 | 上海航天控制技术研究所 | Bearing device under high overload resistance configuration of bearing and characteristic evaluation method |
-
2007
- 2007-04-30 CN CNB2007100154724A patent/CN100497943C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101042123A (en) | 2007-09-26 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20100430 |