CN102588265A - Novel high-pressure piston variable pump - Google Patents
Novel high-pressure piston variable pump Download PDFInfo
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- CN102588265A CN102588265A CN2012100526380A CN201210052638A CN102588265A CN 102588265 A CN102588265 A CN 102588265A CN 2012100526380 A CN2012100526380 A CN 2012100526380A CN 201210052638 A CN201210052638 A CN 201210052638A CN 102588265 A CN102588265 A CN 102588265A
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- oil
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Abstract
The invention discloses a novel high-pressure piston variable pump, which utilizes hydrodynamic pressure with a dynamic pressure oil wedge effect in a cylinder block and an oil distribution shaft friction pair to support cylinder block rotating loads and perform dynamic pressure radial oil distribution. A bottom plate is arranged in front of a control valve, an oil distribution shaft, a bearing and the cylinder block are sequentially arranged on the bottom plate, nine uniformly distributed piston shoe components are arranged on the cylinder block, the upper portions of the nine uniformly distributed piston shoe components are mounted in nine holes of a retainer plate, a bearing is arranged in front of the nine uniformly distributed piston shoe components and mounted in a cradle, a pump case is connected with the bottom plate, a bearing and a framework oil seal are sequentially arranged on a driving shaft, a cover plate is arranged in front of the framework oil seal, the driving shaft is mounted in the middle of the pump case, a spring is arranged on the left of the pump case, spring seats are arranged at two ends of the spring, a piston rod in the control valve is connected with the cradle, the bottom plate is provided with an oil inlet A and an oil outlet B, an oil return port C is arranged on the right of the pump case, and an oil distribution channel D is arranged on the oil distribution shaft.
Description
Technical field
The present invention relates to a kind of hydraulic element, especially a kind of cylinder body and oil distributing shaft of utilizing wiped the dynamic pressure oil film wedge effect supporting cylinder body rotation load in the pair, carries out the novel high-pressure plunger variable pump that dynamical pressure radial is joined oil.
Background technique
At present, high-pressure plunger variable displacement pump both domestic and external mostly adopts rigidity rolling bearing and plane hydrostatic bearing to support cylinder body rotation load jointly, carries out static pressure and axially joins oil.This oil form friction factor of joining is big, makes oily temperature rise easily, reduces the volumetric efficiency of oil pump.Up to the present, also do not see a kind of hydrodynamic pressure of utilizing the dynamic pressure oil film wedge effect in cylinder body and the oil distributing shaft friction pair on the market as yet, supporting cylinder body rotation load is carried out the novel high-pressure plunger variable pump that dynamical pressure radial is joined oil.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of hydrodynamic pressure of utilizing the dynamic pressure oil film wedge effect in cylinder body and the oil distributing shaft friction pair is provided, supporting cylinder body rotation load is carried out the novel high-pressure plunger variable pump that dynamical pressure radial is joined oil.
Technological scheme of the present invention: a kind of novel high-pressure plunger variable pump comprises control valve, base plate, oil distributing shaft, bearing, cylinder body, plunger piston slippery boots assembly, backhaul dish, plane bearing, reel cage, pump case, bearing, outside framework oil seal, cover plate, transmission shaft, spring, spring seat, piston rod, filler opening A, oil outlet B, return opening C and joins oily passage D etc.Be provided with base plate in the control valve front, on base plate, be provided with oil distributing shaft, bearing and cylinder body in regular turn, on cylinder body, be provided with the plunger piston slippery boots assembly that nine covers are uniformly distributed with; The top of the plunger piston slippery boots assembly that nine covers are uniformly distributed with is installed in respectively among nine holes of backhaul dish, and the plunger piston slippery boots assembly front that is uniformly distributed with at nine covers is provided with bearing; Bearing Installation is among reel cage, and pump case is connected with base plate, on transmission shaft, is provided with bearing, outside framework oil seal and cover plate in regular turn; Be provided with spring on the pump case left side; Be provided with spring seat at spring two, the piston rod in control valve is connected with reel cage, on base plate 2, is provided with filler opening A and oil outlet B; Be provided with return opening C on pump case the right, on oil distributing shaft, be provided with and join oily passage D.
Key technology of the present invention is: utilize the hydrodynamic pressure of the dynamic pressure oil film wedge effect in cylinder body and the oil distributing shaft friction pair, supporting cylinder body rotation load is carried out dynamical pressure radial and is joined oil.
Description of drawings
Accompanying drawing is a structural representation of the present invention
Embodiment:
As shown in the figure; A kind of hydrodynamic pressure of utilizing the dynamic pressure oil film wedge effect in cylinder body and the oil distributing shaft friction pair; Supporting cylinder body rotation load; Carry out dynamical pressure radial and join plunger piston slippery boots assembly 6, backhaul dish 7, bearing 8, reel cage 9, pump case 10, bearing 11, outside framework oil seal 12, cover plate 13, transmission shaft 14, spring seat 15, spring 16, the piston rod 17 that the novel high-pressure plunger variable pump of oil comprises that control valve 1, base plate 2, oil distributing shaft 3, bearing 4, cylinder body 5, nine covers are uniformly distributed with, filler opening A, oil outlet B, return opening C and join oily passage D etc.Be provided with base plate 2 in control valve 1 front, on base plate 2, be provided with oil distributing shaft 3, bearing 4 and cylinder body 5 in regular turn, on cylinder body 5, be provided with the plunger piston slippery boots assembly 6 that nine covers are uniformly distributed with; Plunger piston slippery boots assembly 6 tops that nine covers are uniformly distributed with are installed in respectively among nine holes of backhaul dish 7, and plunger piston slippery boots assembly 6 fronts that are uniformly distributed with at nine covers are provided with bearing 8; Bearing 8 is installed among the reel cage 9; Pump case 10 is connected with base plate 2, on transmission shaft 14, is provided with bearing 11, outside framework oil seal 12 and cover plate 13 in regular turn, is provided with spring 16 on pump case 10 left sides; Spring 16 two are provided with spring seat 15, and the piston rod 17 in control valve 1 is connected with reel cage 9.On base plate 2, be provided with filler opening A and oil outlet B, be provided with return opening C, on axle, be provided with and join oily passage D on pump case the right.
Key technology of the present invention is: utilize the hydrodynamic pressure of the dynamic pressure oil film wedge effect in cylinder body and the oil distributing shaft friction pair, supporting cylinder body rotation load is carried out dynamical pressure radial and is joined oil.
Claims (1)
1. hydrodynamic pressure of utilizing the dynamic pressure oil film wedge effect in cylinder body and the oil distributing shaft friction pair, supporting cylinder body rotation load is carried out dynamical pressure radial and is joined the novel high-pressure plunger variable pump of oil and comprise control valve 1, base plate 2, oil distributing shaft 3, bearing 4 and cylinder body 5, plunger piston slippery boots assembly 6, backhaul dish 7, bearing 8, reel cage 9, pump case 10, bearing 11, outside framework oil seal 12, cover plate 13, transmission shaft 14, spring seat 15, spring 16, piston rod 17, filler opening A, oil outlet B, return opening C and join oily passage D; It is characterized in that: be provided with base plate 2 in control valve 1 front; On base plate 2, be provided with oil distributing shaft 3, bearing 4 and cylinder body 5 in regular turn, on cylinder body 5, be provided with nine and overlap the top that the plunger piston slippery boots assembly 6, nine that is uniformly distributed with overlaps the plunger piston slippery boots assembly 6 that is uniformly distributed with; Be installed in respectively among nine holes of backhaul dish 7; Plunger piston slippery boots assembly 6 fronts that are uniformly distributed with at nine covers are provided with bearing 8, and bearing 8 is installed among the reel cage 9, and pump case 10 is connected with base plate 2; On transmission shaft 14, be provided with bearing 11 in regular turn; Outside framework oil seal 12 and cover plate 13 are provided with spring 16 on pump case 10 left sides, are provided with spring seat 15 at spring 16 two; Piston rod 17 in control valve 1 is connected with reel cage 9; On base plate 2, be provided with filler opening A and oil outlet B, be provided with return opening C, on oil distributing shaft 3, be provided with and join oily passage D on pump case the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100526380A CN102588265A (en) | 2012-03-02 | 2012-03-02 | Novel high-pressure piston variable pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100526380A CN102588265A (en) | 2012-03-02 | 2012-03-02 | Novel high-pressure piston variable pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102588265A true CN102588265A (en) | 2012-07-18 |
Family
ID=46477376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100526380A Pending CN102588265A (en) | 2012-03-02 | 2012-03-02 | Novel high-pressure piston variable pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102588265A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150960A (en) * | 2015-04-21 | 2016-11-23 | 山东鄄城海驰船用液压机械厂 | A kind of monoblock type Portable manpower pump |
| CN114320808A (en) * | 2021-12-04 | 2022-04-12 | 中铁工程装备集团有限公司 | Sliding shoe with dynamic pressure effect |
| CN115711210A (en) * | 2022-12-02 | 2023-02-24 | 青岛力克川液压机械有限公司 | Variable mechanism and plunger pump and plunger motor adopting same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161268A (en) * | 2001-09-17 | 2003-06-06 | Ebara Corp | Axial piston type pump and motor |
| JP3781908B2 (en) * | 1998-11-19 | 2006-06-07 | カヤバ工業株式会社 | Piston pump |
| CN102242700A (en) * | 2011-06-28 | 2011-11-16 | 张坚 | Novel variable oil pump |
| CN102242701A (en) * | 2011-06-28 | 2011-11-16 | 张坚 | Novel quantitative oil pump |
-
2012
- 2012-03-02 CN CN2012100526380A patent/CN102588265A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3781908B2 (en) * | 1998-11-19 | 2006-06-07 | カヤバ工業株式会社 | Piston pump |
| JP2003161268A (en) * | 2001-09-17 | 2003-06-06 | Ebara Corp | Axial piston type pump and motor |
| CN102242700A (en) * | 2011-06-28 | 2011-11-16 | 张坚 | Novel variable oil pump |
| CN102242701A (en) * | 2011-06-28 | 2011-11-16 | 张坚 | Novel quantitative oil pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150960A (en) * | 2015-04-21 | 2016-11-23 | 山东鄄城海驰船用液压机械厂 | A kind of monoblock type Portable manpower pump |
| CN114320808A (en) * | 2021-12-04 | 2022-04-12 | 中铁工程装备集团有限公司 | Sliding shoe with dynamic pressure effect |
| CN115711210A (en) * | 2022-12-02 | 2023-02-24 | 青岛力克川液压机械有限公司 | Variable mechanism and plunger pump and plunger motor adopting same |
| CN115711210B (en) * | 2022-12-02 | 2023-10-13 | 青岛力克川液压机械有限公司 | Variable mechanism and plunger pump and plunger motor using variable mechanism |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |