CN106368921A - Ultrahigh-pressure axial plunger pump - Google Patents
Ultrahigh-pressure axial plunger pump Download PDFInfo
- Publication number
- CN106368921A CN106368921A CN201610903713.8A CN201610903713A CN106368921A CN 106368921 A CN106368921 A CN 106368921A CN 201610903713 A CN201610903713 A CN 201610903713A CN 106368921 A CN106368921 A CN 106368921A
- Authority
- CN
- China
- Prior art keywords
- oil
- bonnet
- cylinder body
- valve plate
- plunger pump
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a ultrahigh-pressure axial plunger pump. The ultrahigh-pressure axial plunger pump comprises a transmission shaft, an inclined disc and a plunger; the inclined disc coats the transmission shaft; one end of the plunger is mounted on the inclined disc; and a dip angle is formed between the inclined disc and the axis of the transmission shaft. The ultrahigh-pressure axial plunger pump further comprises a cylinder body provided with multiple cylinder body holes uniformly staggered around the axis of the cylinder body; the other end of the plunger is mounted in the cylinder body holes; the cylinder body, a distribution disc and a back cover are tightly bonded in sequence; the cylinder body and the distribution disc coat the transmission shaft; the distribution disc and the back cover are provided with inner oil holes and outer oil holes alternately distributed; the cylinder body holes and the inner oil holes are communicated to form internal oil ways; the cylinder body holes and the outer oil holes are communicated to form external oil ways; one end of the transmission shaft is used for connecting with a driving device; and the other end of the transmission shaft is mounted at the front part of the internal oil way in the back cover. The ultrahigh-pressure axial plunger pump changes the fluid output pressure, and improves one time of the pressure grade to achieve the super pressure purpose.
Description
Technical field
The present invention relates to a kind of axial plunger pump, more particularly to a kind of ultrahigh-pressure hydraulic axial plunger pump.
Background technology
Hydraulic axial plunger pump/motor mainly by power transmission shaft, housing, swash plate, plunger, cylinder body, spring, bearing, valve plate,
Bonnet etc. builds composition.Plunger is circumferentially evenly distributed in cylinder body, has a tilt angle gamma between swash plate and cylinder body axis, and plunger presses
On swash plate, valve plate maintains static, and power transmission shaft runs through swash plate and cylinder body and two ends bearings are on housing, and cylinder body passes through
Spline is connect with power transmission shaft.When prime mover drives cylinder body rotation by power transmission shaft, due to the effect of swash plate, force plunger in cylinder
Move reciprocatingly in vivo, and oil suction and force feed are carried out by the oil sucking window of valve plate and force feed window.
Axial plunger pump/motor, in real work because of reasons such as structure, materials, hinders carrying of plunger pump pressure at present
Rise, long-term high pressure also can damage its service life.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of ultrahigh pressure axial plunger pump, using outside oil circuit and interior oil
The mode that road combines increases the oil pressure of bonnet oil-out.
The present invention solves its technical problem and employs the following technical solutions to realize.
The present invention discloses a kind of ultrahigh pressure axial plunger pump, and including power transmission shaft, swash plate, plunger, swash plate is sheathed on power transmission shaft
On, one end of plunger is installed on swash plate, has an inclination angle between swash plate and drive shaft axis；Also include: cylinder is provided around on cylinder body
Multiple cylinder bore that body axis are uniform staggered with, the other end of plunger is installed on cylinder body in the hole；Cylinder body, valve plate, bonnet are sequentially tight
Closely connected conjunction, cylinder body, valve plate are sheathed on power transmission shaft, valve plate with after cover and be provided with alternatively distributed interior oilhole, outer oilhole；Cylinder
Body opening connects formation internal oil passages with interior oilhole, and cylinder bore connects the outside oil circuit of formation with outer oilhole, and one end of power transmission shaft is used for
Connect driving means, the other end of power transmission shaft is installed on the front portion of the interior oil circuit in bonnet.
The present invention solves what its technical problem can also be realized using following technical measures.
Above-mentioned ultrahigh pressure axial plunger pump, the cylinder bore of cylinder body axis both sides is symmetrical or mal-distribution；Cylinder body
Hole is interspersed on the circumference of the different radii centered on cylinder body axis.
Above-mentioned ultrahigh pressure axial plunger pump, described outer oilhole is the outer fuel feed hole of valve plate, valve plate outer oil outlet, bonnet
The outer oil outlet of outer fuel feed hole, bonnet, described interior oilhole is fuel feed hole in valve plate, fuel feed hole in oil outlet in valve plate, bonnet,
Oil outlet in bonnet；Described outside oil circuit is outside oil-feed oil circuit, outside fuel-displaced oil circuit.
Above-mentioned ultrahigh pressure axial plunger pump, described outside oil-feed oil circuit is communicated with the oil-in of bonnet, and described outside goes out
Oil circuit is communicated with the oil-out of bonnet.
Above-mentioned ultrahigh pressure axial plunger pump, the outer fuel feed hole of cylinder bore, described valve plate, the outer fuel feed hole of described bonnet communicate
Form described outside oil-feed oil circuit；The outer oil outlet of cylinder bore, described valve plate, the outer oil outlet of described bonnet communicate and are formed outside described
The fuel-displaced oil circuit in portion；Described cylinder body rotates an angle, fuel feed hole, institute in fuel feed hole in a cylinder bore, described valve plate, described bonnet
State oil outlet in bonnet, oil outlet, another cylinder bore communicate the described internal oil passages of formation in described valve plate.
Above-mentioned ultrahigh pressure axial plunger pump, described cylinder bore bottom pass through waist through hole respectively with described interior oilhole, institute
State outer oilhole connection.
Above-mentioned ultrahigh pressure axial plunger pump, described interior oilhole, described outer oilhole are arc-shaped hole.
Above-mentioned ultrahigh pressure axial plunger pump, the internal oil channel being located in described bonnet in described internal oil passages is u shape or arc
Shape.
It is characterised in that described bonnet one side is provided with boss, described bonnet passes through above-mentioned ultrahigh pressure axial plunger pump
This boss is fitted tightly with described valve plate.
By technique scheme, the present invention at least has following advantages and a beneficial effect:
The present invention forms internal oil passages, outside using the cylinder bore being uniform staggered with alternatively distributed interior oilhole, outer oilhole
The oil circuit i.e. utilization of double oil circuits, principle is the series connection forming oil circuit and then the pressure change making output fluid, improve pump 1 times
Pressure rating, to reach more than 63mp super pressure purpose.
In the case that increase pressure does not change the overall basic structure of pump, make overall structure compacter.Pressure
Increasing also to make the working range of pump greatly increase, and the power-weight ratio of pump also greatly increases.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description
Fig. 1 is ultrahigh pressure axial plunger pump sectional view of the present invention.
Fig. 2 is bonnet schematic perspective view of the present invention.
Fig. 3 is cylinder body schematic perspective view of the present invention.
Fig. 4 is cylinder body schematic perspective view of the present invention.
Fig. 5 is another embodiment of the present invention cylinder body cross section structure schematic diagram.
Fig. 6 is the profile of the a-a line of Fig. 5.
[main element symbol description]
1: power transmission shaft 2: swash plate
3: plunger 4: cylinder body
5: valve plate 6: bonnet
Specific embodiment
For further illustrating that the present invention is to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to a kind of specific embodiment of ultrahigh pressure axial plunger pump proposed by the present invention, feature and
Its effect, after describing in detail such as.
Refer to Fig. 1 to Fig. 3, the present invention discloses a kind of ultrahigh pressure axial plunger pump, including power transmission shaft 1, swash plate 2, plunger
3rd, cylinder body 4, valve plate 5, bonnet 6.
Swash plate 2 is sheathed on power transmission shaft 1.One end of plunger 3 is installed on swash plate 2.Have one between swash plate 2 and drive shaft axis
Inclination angle.Form oil-feed side and fuel-displaced side in drive shaft axis both sides.As shown in figure 1, drive shaft axis top is oil-feed side, transmission
Axle axis bottom is fuel-displaced side.When cylinder body 4 clockwise or counterclockwise when, oil-feed side is exchanged with fuel-displaced side.Plunger 3 another
End is installed in cylinder bore 41.Cylinder body 4, valve plate 5, bonnet 6 sequentially fit tightly.Cylinder body 4, valve plate 5 are sheathed on power transmission shaft 1
On.One end of power transmission shaft 1 is used for connecting driving means, before the other end of power transmission shaft 1 is installed on the interior oil circuit 65 in bonnet 6
Portion.
As shown in Figure 3, Figure 4, cylinder body 4 is provided around multiple cylinder bore 41 that cylinder body axis is uniform staggered with.That is,
Cylinder bore 41 is interlocked and is uniformly distributed on the circumference of the different radii centered on cylinder body axis.
As shown in Fig. 1, Fig. 3, Fig. 4, in one embodiment, cylinder bore 41 mal-distribution of cylinder body axis both sides.This
The bright cylinder bore 41 being respectively provided on two sides with cylinder body axis positioned at oil-feed side and fuel-displaced side.Cylinder bore 41 is located at cylinder body axis near-end
For nearly cylinder bore 411, it is remote cylinder bore 412 positioned at cylinder body axis far-end.Described below with cylinder bore 411 near shown in Fig. 1, remote cylinder
As a example body opening 412 position.
In oil-feed side, one end of plunger 3 is installed on swash plate 2 flare face (i.e. the top of swash plate 2 shown in Fig. 1).Plunger 3 another
One end is located in remote cylinder bore 412.In fuel-displaced side, one end of plunger 3 is installed on swash plate 2 introversion face (i.e. swash plate 2 shown in Fig. 1
Bottom), the other end of plunger 3 is located in nearly cylinder bore 411.
As shown in Figure 1 and Figure 2, in order to increase the oil pressure of oil-out 64, the present invention is tied using outside oil circuit and internal oil passages phase
The mode closed.Valve plate 5 and bonnet 6 are provided with and are alternately distributed the interior oilhole of circular arc, outer oilhole.Waist is passed through in cylinder bore 41 bottom
Shape through hole connects formation internal oil passages with interior oilhole, and cylinder bore 41 bottom connects the outside oil of formation by waist through hole with outer oilhole
Road.Outside oil circuit is provided with outside oil-feed oil circuit, outside fuel-displaced oil circuit, oil-in 63 phase of wherein outside oil-feed oil circuit and bonnet 6
Logical, outside fuel-displaced oil circuit is communicated with the oil-out 64 of bonnet 6.
Outer oilhole is the outer fuel feed hole 511 of valve plate, the outer oil outlet 521 of valve plate, the outer fuel feed hole 611 of bonnet, bonnet are gone out
Oilhole 621.Interior oilhole is fuel feed hole 512 in valve plate, go out in fuel feed hole 612 in oil outlet 522 in valve plate, bonnet, bonnet
Oilhole 622.The outer fuel feed hole 511 of remote cylinder bore 412, valve plate, the outer fuel feed hole 611 of bonnet communicate the outside oil-feed oil circuit of formation.Closely
The outer oil outlet 521 of cylinder bore 411, valve plate, the outer oil outlet 621 of bonnet communicate the outside fuel-displaced oil circuit of formation.Cylinder body 4 rotates one jiao
Degree, fuel-displaced in oil outlet 622 in fuel feed hole 612 in fuel feed hole 512 in nearly cylinder bore 411, valve plate, bonnet, bonnet, valve plate
Hole 522, remote cylinder bore 412 communicate formation internal oil passages.The internal oil channel 65 being located in bonnet 6 in internal oil passages is u shape or arc.
So circulation makes outside oil circuit, internal oil passages series connection and then makes the pressure change of output fluid, improves 1 times of pump
Pressure rating, to reach super pressure purpose.
The side of valve plate 5 is fitted tightly with the side of bonnet 6, and in order to reduce liquid leakage, its faying face need to carry out essence
Processing technique.For reducing working (finishing) area and cost-effective, it is provided with boss 61 in the one side of bonnet 6.Bonnet 6 passes through this boss 60
Fit tightly with valve plate 5.
In another embodiment, the cylinder bore 41 of cylinder body axis both sides is symmetrical, and cylinder bore 41 is interlocked and is uniformly distributed in
On the circumference of the different radii centered on cylinder body axis.
As shown in Figure 5, Figure 6, nearly cylinder bore 411 is nearly cylinder bore 411 along Boring mill line symmetry, remote cylinder bore 412
It is remote cylinder bore 412 along Boring mill line symmetry.Form outer oil circuit, interior asphalt principle and a upper embodiment phase in the present embodiment
With here is not repeating.
The above, be only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when the method for available the disclosure above and technology contents make a little more
Equivalent embodiments that are dynamic or being modified to equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the present invention's
Any simple modification, equivalent variations and modification that technical spirit is made to above example, all still fall within technical solution of the present invention
In the range of.
Claims (9)
1. a kind of ultrahigh pressure axial plunger pump, including power transmission shaft, swash plate, plunger, swash plate is sheathed on power transmission shaft, one end of plunger
It is installed on swash plate, between swash plate and drive shaft axis, have an inclination angle；It is characterized in that, also include:
Multiple cylinder bore that cylinder body axis is uniform staggered with are provided around on cylinder body, the other end of plunger is installed on cylinder body in the hole；
Cylinder body, valve plate, bonnet sequentially fit tightly, and cylinder body, valve plate are sheathed on power transmission shaft, valve plate with after cover and be provided with
Alternatively distributed interior oilhole, outer oilhole；
Cylinder bore connects formation internal oil passages with interior oilhole, and cylinder bore is connected with outer oilhole and forms outside oil circuit, and the one of power transmission shaft
Hold for connecting driving means, the other end of power transmission shaft is installed on the front portion of the interior oil circuit in bonnet.
2. ultrahigh pressure axial plunger pump according to claim 1 is it is characterised in that the cylinder bore of cylinder body axis both sides is symmetrical
Distribution or mal-distribution；
Cylinder bore is interspersed on the circumference of the different radii centered on cylinder body axis.
3. ultrahigh pressure axial plunger pump according to claim 1 is it is characterised in that described outer oilhole is oil-feed outside valve plate
Hole, the outer oil outlet of valve plate, the outer fuel feed hole of bonnet, the outer oil outlet of bonnet, described interior oilhole is fuel feed hole, valve plate in valve plate
Oil outlet in fuel feed hole in interior oil outlet, bonnet, bonnet；Described outside oil circuit is outside oil-feed oil circuit, outside fuel-displaced oil circuit.
4. ultrahigh pressure axial plunger pump according to claim 3 is it is characterised in that described outside oil-feed oil circuit and bonnet
Oil-in communicates, and the fuel-displaced oil circuit in described outside is communicated with the oil-out of bonnet.
5. ultrahigh pressure axial plunger pump according to claim 3 is it is characterised in that the outer oil-feed of cylinder bore, described valve plate
Hole, the outer fuel feed hole of described bonnet communicate the described outside oil-feed oil circuit of formation；
The outer oil outlet of cylinder bore, described valve plate, the outer oil outlet of described bonnet communicate the fuel-displaced oil circuit in the described outside of formation；
Described cylinder body rotates an angle, fuel feed hole, described bonnet in fuel feed hole in a cylinder bore, described valve plate, described bonnet
In interior oil outlet, described valve plate, oil outlet, another cylinder bore communicate the described internal oil passages of formation.
6. ultrahigh pressure axial plunger pump according to claim 1 is it is characterised in that described cylinder bore bottom is led to by kidney-shaped
Hole is connected with described interior oilhole, described outer oilhole respectively.
7. ultrahigh pressure axial plunger pump according to claim 1 is it is characterised in that described interior oilhole, described outer oilhole are
Arc-shaped hole.
8. ultrahigh pressure axial plunger pump according to claim 1 it is characterised in that in described internal oil passages be located at described after
Internal oil channel in lid is u shape or arc.
9. the ultrahigh pressure axial plunger pump according to any one of claim 1-8 is it is characterised in that described bonnet one side sets
There is boss, described bonnet is fitted tightly with described valve plate by this boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903713.8A CN106368921B (en) | 2016-10-17 | 2016-10-17 | A kind of ultrahigh pressure axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903713.8A CN106368921B (en) | 2016-10-17 | 2016-10-17 | A kind of ultrahigh pressure axial plunger pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106368921A true CN106368921A (en) | 2017-02-01 |
| CN106368921B CN106368921B (en) | 2019-05-10 |
Family
ID=57895020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610903713.8A Active CN106368921B (en) | 2016-10-17 | 2016-10-17 | A kind of ultrahigh pressure axial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368921B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837728A (en) * | 2017-02-21 | 2017-06-13 | 哈尔滨工业大学 | A kind of multi-row-type inclined shaft axial plunger pump |
| CN108561298A (en) * | 2018-06-05 | 2018-09-21 | 昆明理工大学 | A kind of multi-purpose water delivery mechanism of high pressure two-chamber |
| CN114658653A (en) * | 2022-03-14 | 2022-06-24 | 西安交通大学 | Liquid-spraying lubricating structure of star wheel-screw meshing pair of single-screw compressor and design method |
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| DE3413867A1 (en) * | 1983-04-13 | 1984-10-18 | Linde Ag, 6200 Wiesbaden | Axial piston pump for two delivery streams |
| CN2411372Y (en) * | 1999-10-22 | 2000-12-20 | 李世六 | Axial multigroup piston type hydraulic variable desplacement pump or variable speed motor |
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| DE102011077253A1 (en) * | 2011-06-09 | 2012-12-13 | Robert Bosch Gmbh | Axial piston machine in swash plate design |
| CN103939312A (en) * | 2014-04-25 | 2014-07-23 | 福州大学 | Balanced type double-row large-displacement axial plunger pump |
| CN206092304U (en) * | 2016-10-17 | 2017-04-12 | 北京华德液压工业集团有限责任公司 | Ultrahigh pressure axial plunger pump |
-
2016
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| CN2411372Y (en) * | 1999-10-22 | 2000-12-20 | 李世六 | Axial multigroup piston type hydraulic variable desplacement pump or variable speed motor |
| US20070101857A1 (en) * | 2003-10-10 | 2007-05-10 | Gunter Wanschura | Hydrostatic piston machine with two hydraulic circuits |
| DE102011077253A1 (en) * | 2011-06-09 | 2012-12-13 | Robert Bosch Gmbh | Axial piston machine in swash plate design |
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Non-Patent Citations (1)
| Title |
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| 方建忠: "多排式轴向柱塞泵的关键技术研究及动态仿真", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837728A (en) * | 2017-02-21 | 2017-06-13 | 哈尔滨工业大学 | A kind of multi-row-type inclined shaft axial plunger pump |
| CN108561298A (en) * | 2018-06-05 | 2018-09-21 | 昆明理工大学 | A kind of multi-purpose water delivery mechanism of high pressure two-chamber |
| CN108561298B (en) * | 2018-06-05 | 2024-05-07 | 昆明理工大学 | High-pressure dual-cavity multipurpose water delivery mechanism |
| CN114658653A (en) * | 2022-03-14 | 2022-06-24 | 西安交通大学 | Liquid-spraying lubricating structure of star wheel-screw meshing pair of single-screw compressor and design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106368921B (en) | 2019-05-10 |
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