CN102297106A - Novel sloped disk type constant-delivery oil pump - Google Patents
Novel sloped disk type constant-delivery oil pump Download PDFInfo
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- CN102297106A CN102297106A CN2011102479464A CN201110247946A CN102297106A CN 102297106 A CN102297106 A CN 102297106A CN 2011102479464 A CN2011102479464 A CN 2011102479464A CN 201110247946 A CN201110247946 A CN 201110247946A CN 102297106 A CN102297106 A CN 102297106A
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- pump case
- oil
- cylinder body
- pump
- drive screw
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Abstract
The invention discloses a novel sloped disk type constant-delivery oil pump with a drive screw and a hydrodynamic-hydrostatic bearing. A pump case, a framework oil seal, a ball bearing, a bottom plate, a cylinder body, a spring and a semisphere are sequentially arranged on the drive screw, nine sets of evenly distributed plunger-piston shoe assemblies are arranged on the cylinder body, the upper parts of the nine sets of evenly distributed plunger-piston shoe assemblies are respectively mounted in the nine holes of a retainer plate, a thrust plate is arranged in front of the nine sets of evenly distributed plunger-piston shoe assemblies, a sloped disk is arranged on the front of the thrust plate, the hydrodynamic-hydrostatic bearing is arranged on the inner wall of the pump case, an end cover is arranged on the pump case, the ball bearing is arranged in the end cover, the right side of the pump case is provided with an oil inlet (A), the left side of the pump case is provided with an oil outlet (B) and small oil holes (C, D), and the upper part of the pump case is provided with an oil drain outlet (E).
Description
Technical field
The present invention relates to a kind of hydraulic element, especially a kind of novel inclined disc type quantitative oil pump.
Background technique
Make a general survey of the inclined disc type quantitative oil pump of home and abroad, mostly utilize the spline on the transmission shaft to drive the cylinder body rotation, utilize rolling bearing supporting cylinder body rotation load axially to join oil, though this oil pump also can be worked, but manufacturability complexity, friction factor is big, and working long hours at high temperature season causes oily temperature rise, reduces the oil pump volumetric efficiency.Up to the present, also do not seeing a kind of novel inclined disc type quantitative oil pump that has drive screw and dynamic and hydrostatic bearing on the market as yet.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of drive screw drive cylinder body that utilizes to revolve biography, utilize how much contract effects of liquid in interior hydrostatic pressure of dynamic and hydrostatic bearing oil pocket and the friction pair, the kinetic pressure that is the oil film wedge effect supports cylinder body rotation load jointly, realizes radially joining the novel inclined disc type quantitative oil pump of oil.
Technological scheme of the present invention: a kind of novel inclined disc type quantitative oil pump, comprise drive screw, pump case, outside framework oil seal, ball bearing, cylinder body, spring, semi-round ball, the uniform plunger piston slippery boots assembly of nine covers, the backhaul dish, thrust plate, swash plate, dynamic and hydrostatic bearing, end cap, ball bearing, filler opening A, oil outlet B, little oilhole C, D and drain tap E etc., on drive screw, be provided with pump case in regular turn, outside framework oil seal, ball bearing, base plate, cylinder body, spring, semi-round ball, on cylinder body, be provided with the uniform plunger piston slippery boots assembly of nine covers, the top of the plunger piston slippery boots assembly that nine covers are uniform is installed in respectively among nine holes of backhaul dish, be provided with thrust plate in the uniform plunger piston slippery boots assembly front of nine covers, be provided with swash plate in the thrust plate front, be provided with dynamic and hydrostatic bearing at the pump case inwall, on pump case, be provided with end cap, in end cap, be provided with ball bearing, be provided with filler opening A on pump case the right, be provided with oil outlet B and little oilhole C on the pump case left side, D is provided with drain tap E on pump case top.
Key technology of the present invention is: utilize drive screw to drive the cylinder body rotation, utilize how much contract effects of liquid in interior hydrostatic pressure of dynamic and hydrostatic bearing oil pocket and the friction pair, the kinetic pressure of promptly oily contract effect supports cylinder body rotation load jointly and realizes radially joining oil.
Description of drawings:
Accompanying drawing is a structural representation of the present invention
Embodiment:
As shown in the figure, a kind of drive screw drive cylinder body that utilizes revolves biography, utilize how much contract effects of liquid in interior hydrostatic pressure of dynamic and hydrostatic bearing oil pocket and the friction pair, the kinetic pressure that is the oil film wedge effect supports cylinder body rotation load jointly, realize radially joining the novel inclined disc type quantitative oil pump of oil, comprise drive screw 1, pump case 2, outside framework oil seal 3, ball bearing 4, base plate 5, cylinder body 6, spring 7, semi-round ball 8, the uniform plunger piston slippery boots assembly 9 of nine covers, backhaul dish 10, thrust plate 11, swash plate 12, dynamic and hydrostatic bearing 13, end cap 14, ball bearing 15, filler opening A, oil outlet B, little oilhole C, D and drain tap E etc., on drive screw 1, be provided with pump case 2 in regular turn, outside framework oil seal 3, ball bearing 4, base plate 5, cylinder body 6, spring 7, semi-round ball 8, on cylinder body 6, be provided with the uniform plunger piston slippery boots assembly 9 of nine covers, the top of the plunger piston slippery boots assembly 9 that nine covers are uniform is installed in respectively among nine holes of backhaul dish 10, be provided with thrust plate 11 in uniform plunger piston slippery boots assembly 9 fronts of nine covers, be provided with swash plate 12 in thrust plate 11 fronts, be provided with dynamic and hydrostatic bearing 13 at pump case 2 inwalls, on pump case 2, be provided with end cap 14, in end cap 14, be provided with ball bearing 15, be provided with filler opening A on pump case 2 the right, be provided with oil outlet B and little oilhole C on pump case 2 left sides, D is provided with drain tap E on pump case 2 tops.
Key technology of the present invention is: utilize drive screw to drive the cylinder body rotation, utilize how much contract effects of liquid in interior hydrostatic pressure of dynamic and hydrostatic bearing oil pocket and the friction pair, promptly the kinetic pressure of oil film wedge effect supports cylinder body rotation load jointly and realizes radially joining oil.
Claims (1)
1. novel inclined disc type quantitative oil pump that has drive screw and dynamic and hydrostatic bearing, comprise drive screw 1, pump case 2, outside framework oil seal 3, ball bearing 4, base plate 5, cylinder body 6, spring 7, semi-round ball 8, the uniform plunger piston slippery boots assembly 9 of nine covers, backhaul dish 10, thrust plate 11, swash plate 12, dynamic and hydrostatic bearing 13, end cap 14, ball bearing 15, filler opening A, oil outlet B, little oilhole C, D and drain tap E, it is characterized in that: on drive screw 1, be provided with the pump housing 2 in regular turn, outside framework oil seal 3, ball bearing 4, base plate 5, cylinder body 6, spring 7, semi-round ball 8, on cylinder body 6, be provided with the uniform plunger piston slippery boots assembly 9 of nine covers, the top of the plunger piston slippery boots assembly 9 that nine covers are uniform is installed in respectively among nine holes of backhaul dish 10, be provided with thrust plate 11 in uniform plunger piston slippery boots assembly 9 fronts of nine covers, be provided with swash plate 12 in thrust plate 11 fronts, be provided with dynamic and hydrostatic bearing 13 at pump case 2 inwalls, on pump case 2, be provided with end cap 14, in end cap 14, be provided with ball bearing 15, be provided with filler opening A on pump case 2 the right, be provided with oil outlet B and little oilhole C on pump case 2 left sides, D is provided with drain tap E on pump case 2 tops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102479464A CN102297106A (en) | 2011-08-26 | 2011-08-26 | Novel sloped disk type constant-delivery oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102479464A CN102297106A (en) | 2011-08-26 | 2011-08-26 | Novel sloped disk type constant-delivery oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102297106A true CN102297106A (en) | 2011-12-28 |
Family
ID=45357730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102479464A Pending CN102297106A (en) | 2011-08-26 | 2011-08-26 | Novel sloped disk type constant-delivery oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102297106A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948408A (en) * | 2015-07-01 | 2015-09-30 | 张意 | Variable axial plunger pump |
| CN105298780A (en) * | 2014-07-24 | 2016-02-03 | 赵武敏 | Multi-piston runner fluid pump apparatus |
| CN108757362A (en) * | 2018-07-18 | 2018-11-06 | 宁波合力机泵股份有限公司 | The water injecting pump of the vertical reciprocation pump power end and application of more spherical surface connections power end |
| CN110067716A (en) * | 2018-05-22 | 2019-07-30 | 钟彪 | A kind of hydrostatic and swash plate plunger pump or motor comprising the structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3800905A1 (en) * | 1988-01-14 | 1989-07-27 | Rexroth Mannesmann Gmbh | Pump, in particular axial-piston pump |
| JPH09280159A (en) * | 1996-04-12 | 1997-10-28 | Hitachi Constr Mach Co Ltd | Axial piston type hydraulic pump |
| CN2667194Y (en) * | 2003-12-23 | 2004-12-29 | 启东高压油泵有限公司 | Internal controlling electric hydraulic ratio variable quantity axial plunger pump |
| CN2821203Y (en) * | 2005-06-03 | 2006-09-27 | 宋天成 | Inclined disc type axial plunger pump |
| CN201187427Y (en) * | 2007-11-02 | 2009-01-28 | 宇星科技发展(深圳)有限公司 | Ceramic piston pump |
-
2011
- 2011-08-26 CN CN2011102479464A patent/CN102297106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3800905A1 (en) * | 1988-01-14 | 1989-07-27 | Rexroth Mannesmann Gmbh | Pump, in particular axial-piston pump |
| JPH09280159A (en) * | 1996-04-12 | 1997-10-28 | Hitachi Constr Mach Co Ltd | Axial piston type hydraulic pump |
| CN2667194Y (en) * | 2003-12-23 | 2004-12-29 | 启东高压油泵有限公司 | Internal controlling electric hydraulic ratio variable quantity axial plunger pump |
| CN2821203Y (en) * | 2005-06-03 | 2006-09-27 | 宋天成 | Inclined disc type axial plunger pump |
| CN201187427Y (en) * | 2007-11-02 | 2009-01-28 | 宇星科技发展(深圳)有限公司 | Ceramic piston pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298780A (en) * | 2014-07-24 | 2016-02-03 | 赵武敏 | Multi-piston runner fluid pump apparatus |
| CN104948408A (en) * | 2015-07-01 | 2015-09-30 | 张意 | Variable axial plunger pump |
| CN104948408B (en) * | 2015-07-01 | 2017-06-30 | 张意 | A kind of axial variable displacement plunger pump |
| CN110067716A (en) * | 2018-05-22 | 2019-07-30 | 钟彪 | A kind of hydrostatic and swash plate plunger pump or motor comprising the structure |
| CN108757362A (en) * | 2018-07-18 | 2018-11-06 | 宁波合力机泵股份有限公司 | The water injecting pump of the vertical reciprocation pump power end and application of more spherical surface connections power end |
| CN108757362B (en) * | 2018-07-18 | 2024-05-28 | 宁波合力机泵股份有限公司 | Multi-sphere connected power end of vertical reciprocating pump and water injection pump using power end |
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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: 20111228 |