CN206368805U - A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body - Google Patents
A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body Download PDFInfo
- Publication number
- CN206368805U CN206368805U CN201720021653.7U CN201720021653U CN206368805U CN 206368805 U CN206368805 U CN 206368805U CN 201720021653 U CN201720021653 U CN 201720021653U CN 206368805 U CN206368805 U CN 206368805U
- Authority
- CN
- China
- Prior art keywords
- swash plate
- cylinder body
- hole
- plunger
- 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.)
- Active
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
A kind of cylinder body of the utility model and the axial plunger pump/motor for employing the cylinder body, belong to plunger pump/motor technologies field；Technical problem to be solved is provides a kind of cylinder body and axial plunger pump/motor, and compact conformation, processing are simple, safeguard easy, long lifespan；The technical scheme used for：A kind of cylinder body, its center is provided with axially extending bore, and it is generally cylindrical, and multiple plunger holes for straight hole are evenly equipped with around the axially extending bore of center；A kind of axial plunger pump/motor, swash plate is arranged in bearing block by clutch shaft bearing, cylinder body is fixedly set in enclosure interior, multiple plungers are one-to-one to be sleeved in the plunger hole of cylinder body, the head of plunger is pressed in swash surfaces by return plate and piston shoes, pintle is arranged in flow seat, one end of power transmission shaft is supported in bearing block by second bearing, the other end of power transmission shaft is connected after passing through swash plate and cylinder body with pintle, power transmission shaft drives swash plate and pintle to rotate, and the utility model can be used as pump or motor.
Description
Technical field
A kind of cylinder body of the utility model and the axial plunger pump/motor for employing the cylinder body, belong to plunger pump/motor technologies
Field.
Background technology
Axial plunger pump and axial piston motor are hydraulicdriven important device, and conventional structure is rotated, tiltedly in cylinder body
Disk is fixed, the form of disk flow, there is following deficiency：
1st, at a high speed rotation cylinder body can produce oil suction resistance, cause plunger pump suction capacity poor, this be also limit oil pump or
The major reason that motor rotary speed is improved.
2nd, housing structure is complicated, and the accuracy of manufacture requires high, difficulty is big, cost is high.
3rd, in use, the copper alloy bushing in cylinder body plunger hole can be easily drawn out in the presence of oil pressure and plunger, it is commonly called as
" pulling out set ", cylinder body valve plate distribution copper alloy layer is easy to wear to be pulled, and difficulty is repaired after abrasion bigger than normal therefore very tight to oily requirement
Lattice.
4th, complicated, part difficulty of processing and Geometrical Tolerance Principle are very high, limit its application places.
Utility model content
The utility model overcomes the shortcomings of that prior art is present, and technical problem to be solved is a kind of straight pass cylinder of offer
Body and the axial plunger pump/motor for employing the cylinder body, compact conformation, processing are simple, safeguard easy, long lifespan.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of cylinder body, its center is provided with axle
To through hole, it is generally cylindrical, and multiple plunger holes, described multiple plungers are evenly equipped with around the axially extending bore of the center
Hole is straight hole.
The material of the cylinder body is that sintering has one layer of copper alloy on steel, the inwall of each plunger hole.
The plunger hole is provided with radial direction boss close to one end aperture of swash plate, copper alloy be set in plunger hole and with
Plunger hole is interference fitted, and one end of copper alloy set is withstood on the radial direction boss, and the other end is concordant with the end face of cylinder body.
A kind of axial plunger pump/motor for employing above-mentioned cylinder body, three parts are constituted before, during and after, and forward part includes axle
Bearing, bearing, swash plate and power transmission shaft；Middle part point includes housing, cylinder body, plunger and return plate；Rear portion point includes oil inlet and outlet
Flow seat and pintle；
The bearing block, housing, flow seat are rigidly connected successively, and swash plate is arranged on bearing block by clutch shaft bearing
Interior, cylinder body is fixedly set in enclosure interior, and multiple plungers are one-to-one to be sleeved in the plunger hole of cylinder body, and the head of plunger is by returning
Journey disk and piston shoes are pressed in swash surfaces, and pintle is arranged in flow seat, and one end of power transmission shaft is supported by second bearing
In bearing block, the other end of power transmission shaft is connected after passing through swash plate and cylinder body with pintle, and power transmission shaft drives swash plate and pintle
Rotate.
It is interference fits between the cylinder body and housing.
The swash plate is quantitative, is connected between swash plate and power transmission shaft for key, on the side wall of the thicker side of the swash plate
It is provided with one or more lightening holes.
The swash plate is split type, and its structure is：Including swash plate bottom, swash plate top, spring guide pillar and swash plate spring；
The swash plate bottom is the cylinder with a ladder, and its center is provided with through hole, set in the middle part of its bigger diameter end end face
The cambered surface groove that a bottom surface is cambered surface is equipped with, end face through whole end face and is divided into both sides, wherein side by the cambered surface groove
For by middle to edge gradually thin inclined-plane, the multiple flat circular holes of opposite side setting；
The swash plate top is the thin cylinder that a center is provided with irregularly-shaped hole, and one end is to be set in the middle part of plane, other end
The cambered surface projection with the cambered surface fit depressions on swash plate bottom is equipped with, place end face is divided into both sides by the cambered surface projection, its
Middle side is that to edge gradually thin inclined-plane, opposite side is provided with and the flat circular hole quantity identical bottom on swash plate bottom by middle
Cheated for hemispherical ball in face；
Cambered surface groove on the swash plate bottom coordinates with the cambered surface projection contacts on swash plate top, multiple flat circular holes with
Multiple ball holes are corresponded, and are each placed with a spring guide pillar in multiple flat circular holes, swash plate spring supporting is in spring guide pillar
Between flat circular hole, the top of spring guide pillar is sphere, is engaged with the ball hole on swash plate top.
The swash plate central upper portion irregularly-shaped hole to be shaped as middle huge shape two ends semicircle, the power transmission shaft is through described different
In shape corresponding with irregularly-shaped hole at shape hole, it is affixed at the plane two-by-two of power transmission shaft and irregularly-shaped hole, leaves space at cambered surface two-by-two.
The clutch shaft bearing is thrust ball bearing, and the second bearing is deep groove ball bearing.
The utility model has the advantages that compared with prior art.
1st, the cylinder body in the utility model is fixed and not rotated, it is possible to remove the big bearing outside cylinder body so that this practicality
New volume diminishes.
2nd, cylinder body and housing are assembled using interference fits in the utility model, reduce the difficulty of processing of cylinder body so that dress
Match somebody with somebody, safeguard, changing more convenient；In addition, housing wraps cylinder body, humidification is served to cylinder body, makes the utility model more suitable
Close big flow, the work operating mode of high pressure.
3rd, the multiple plunger holes being distributed in the utility model outside cylinder body centre bore are straight hole, can be used in hole front end setting table
Rank or using sintered copper alloy layer method thoroughly eliminate occur in the course of work pull out set phenomenon.
4th, without disk flow with stream interface, is changed for axle flow, disk flow is completely eliminated easy in the end face of cylinder body in the utility model
The self-alignment requirement of the phenomenon pulled of wearing and tearing and assignment components, improves the service life and overall reliability of cylinder body.
5th, the swash plate in the utility model can be quantitative, or split variable displacement.During variable displacement, discharge capacity can be with pressure
Finite automaton is adjusted, so as to improve power and load performance.
6th, the utility model have that low simple in construction, manufacture difficulty, easy care, suction capacity are strong, noise is low, efficiency high,
Reliable the advantages of.
7th, the oil inlet and outlet in the utility model is interchangeable, as pump in use, can electricity consumption commutation, using more convenient.
Brief description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is the side view of cylinder body.
Fig. 2 is Fig. 1 A-A profiles.
Fig. 3 is Fig. 1 another A-A profiles.
Fig. 4 is the partial enlarged drawing at B in Fig. 3.
Fig. 5 is the structural representation of axial plunger pump/motor.
Fig. 6 is the profile of quantitative swash plate.
Fig. 7 is the stereogram of quantitative swash plate.
Fig. 8 is the profile of variable displacement swash plate.
Fig. 9 is the stereogram of swash plate bottom.
Figure 10 is the stereogram on swash plate top.
In figure：1 is axially extending bore, and 2 be plunger hole, and 3 be radial direction boss, and 4 be copper alloy set, and 5 be bearing block, and 6 be swash plate,
7 be power transmission shaft, and 8 be housing, and 9 be cylinder body, and 10 be plunger, and 11 be flow seat, and 12 be pintle, and 13 be clutch shaft bearing, and 14 be the
Two bearings, 15 be swash plate bottom, and 16 be swash plate top, and 17 be cambered surface groove, and 18 be that cambered surface is raised, and 19 be flat circular hole, and 20 are
Ball is cheated, and 21 be spring guide pillar, and 22 be swash plate spring.
Embodiment
As Figure 1-4, a kind of cylinder body of the utility model, its center is provided with axially extending bore 1, and it is generally cylindrical, institute
State and multiple plunger holes 2 are evenly equipped with around the axially extending bore 1 of center, described multiple plunger holes 2 are straight hole.The material of cylinder body
For copper alloy, or it is high quality cast iron, or has for plunger hole inwall the steel of copper alloy.
The material of the cylinder body is that sintering has one layer of copper alloy on steel, the inwall of each plunger hole 2.
The plunger hole 2 is provided with radial direction boss 3 close to one end aperture of swash plate 6, and copper alloy set 4 is arranged on plunger hole 2
Interior and be interference fitted with plunger hole 2, one end of copper alloy set 4 is withstood on the radial direction boss 3, and the end face of the other end and cylinder body is put down
Together.
As viewed in figures 5-8, a kind of axial plunger pump/motor for employing above-mentioned cylinder body of the utility model, before, during and after
Three parts are constituted, and forward part includes bearing block 5, bearing, swash plate 6 and power transmission shaft 7；Middle part point includes housing 8, cylinder body 9, plunger 10
And return plate；Rear portion point includes the flow seat 11 and pintle 12 of oil inlet and outlet；
The bearing block 5, housing 8, flow seat 11 are rigidly connected successively, and swash plate 6 is installed by clutch shaft bearing 13
In bearing block 5, cylinder body 9 is fixedly set in inside housing 8, and multiple plungers 10 are one-to-one to be sleeved in the plunger hole 2 of cylinder body 9,
The head of plunger 10 is pressed on the surface of swash plate 6 by return plate and piston shoes, and pintle 12 is arranged in flow seat 11, power transmission shaft
7 one end is supported in bearing block 5 by second bearing 14, the other end of power transmission shaft 7 through after swash plate 6 and cylinder body 9 with flow
Axle 12 is connected, and power transmission shaft 7 drives swash plate 6 and pintle 12 to rotate.
It is interference fits between the cylinder body 9 and housing 8.
The swash plate 6 is quantitative, is connected between swash plate 6 and power transmission shaft 7 for key, the side in the thicker side of the swash plate 6
One or more lightening holes are provided with wall.
The swash plate 6 is split type, and its structure is：Including swash plate bottom 15, swash plate top 16, spring guide pillar 21 and swash plate
Spring 22；
The swash plate bottom 15 is the cylinder with a ladder, and its center is provided with through hole, in the middle part of its bigger diameter end end face
The cambered surface groove 17 that a bottom surface is cambered surface is provided with, end face through whole end face and is divided into both sides by the cambered surface groove 17, its
Middle side is to edge gradually thin inclined-plane, the multiple flat circular holes 19 of opposite side setting by middle；
The swash plate top 16 is the thin cylinder that a center is provided with irregularly-shaped hole, and one end is in the middle part of plane, other end
The cambered surface projection 18 being engaged with the cambered surface groove 17 on swash plate bottom 15 is provided with, the cambered surface projection 18 divides place end face
For both sides, wherein side is that to edge gradually thin inclined-plane, opposite side is provided with and the flat circular hole on swash plate bottom 15 by middle
19 quantity identical bottom surfaces are hemispherical ball hole 20；
Cambered surface groove 17 on the swash plate bottom 15 is engaged with the cambered surface projection 18 on swash plate top 16, Duo Geping
Bottom circular hole 19 is corresponded with multiple balls hole 20, and each a spring guide pillar 21, swash plate bullet are placed with multiple flat circular holes 19
Spring 22 is supported between spring guide pillar 21 and flat circular hole 19, and the top of spring guide pillar 21 is on sphere, with swash plate top 16
Ball hole 20 is engaged.
The center irregularly-shaped hole of swash plate top 16 is shaped as that middle huge shape two ends are semicircle, and the power transmission shaft 7 passes through institute
It is in shape corresponding with irregularly-shaped hole to state at irregularly-shaped hole, and power transmission shaft 7 leaves at cambered surface two-by-two with being affixed at the plane two-by-two of irregularly-shaped hole
Space.
The clutch shaft bearing 13 is thrust ball bearing, and the second bearing 14 is deep groove ball bearing.
The utility model is as the course of work of axial plunger pump：Motor drives power transmission shaft 7 to rotate, and power transmission shaft 7 drives
Swash plate 6 rotates, swash plate 6 by return disk and piston shoes promote plunger 10 in the plunger hole 2 of cylinder body 9 it is reciprocating, by fluid
From oil inlet suction, extruded from oil-out.The utility model can Double-directional rotary, it is only necessary to motor commutation, after commutation, oil-feed
Mouth and oil-out are exchanged.The utility model can also be used as motor.
Axle flow mode in the utility model can be replaced with Flat valve, after Flat valve, only be used as pump.
The present invention is explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to foregoing description, in this area
, can also various changes can be made on the premise of present inventive concept is not departed from the knowledge that those of ordinary skill possesses.
Claims (9)
1. a kind of cylinder body, its center is provided with axially extending bore（1）, it is characterised in that：It is generally cylindrical, the axle of the center
To through hole（1）Surrounding is evenly equipped with multiple plunger holes（2）, described multiple plunger holes（2）It is straight hole.
2. a kind of cylinder body according to claim 1, it is characterised in that：The material of the cylinder body is steel, each plunger hole（2）
Inwall on sintering have one layer of copper alloy.
3. a kind of cylinder body according to claim 1, it is characterised in that：The plunger hole（2）Close to swash plate（6）A stomidium
Mouth is provided with radial direction boss（3）, copper alloy set（4）It is arranged on plunger hole（2）Interior and and plunger hole（2）Interference fit, copper alloy
Set（4）One end withstand on the radial direction boss（3）On, the other end is concordant with the end face of cylinder body.
4. a kind of axial plunger pump/motor for employing cylinder body as claimed in claim 1, three parts are constituted before, during and after,
It is characterized in that：Forward part includes bearing block（5）, bearing, swash plate（6）And power transmission shaft（7）；Middle part point includes housing（8）, cylinder body
（9）, plunger（10）And return plate；Rear portion point includes the flow seat of oil inlet and outlet（11）And pintle（12）；
The bearing block（5）, housing（8）, flow seat（11）It is rigidly connected successively, swash plate（6）Pass through clutch shaft bearing
（13）Installed in bearing block（5）It is interior, cylinder body（9）It is fixedly set in housing（8）Inside, multiple plungers（10）It is one-to-one to be sleeved on cylinder
Body（9）Plunger hole（2）In, plunger（10）Head be pressed on swash plate by return plate and piston shoes（6）On surface, pintle
（12）It is arranged on flow seat（11）It is interior, power transmission shaft（7）One end pass through second bearing（14）It is supported on bearing block（5）It is interior, transmission
Axle（7）The other end pass through swash plate（6）And cylinder body（9）Afterwards with pintle（12）Connection, power transmission shaft（7）Drive swash plate（6）With with
Flow axle（12）Rotate.
5. a kind of axial plunger pump/motor according to claim 4, it is characterised in that：The cylinder body（9）With housing（8）
Between be interference fits.
6. a kind of axial plunger pump/motor according to claim 4, it is characterised in that：The swash plate（6）For quantitative,
Swash plate（6）With power transmission shaft（7）Between for key connection, in the swash plate（6）One or more subtract is provided with the side wall of thicker side
Repeated hole.
7. a kind of axial plunger pump/motor according to claim 5, it is characterised in that：The swash plate（6）To be split type,
Its structure is：Including swash plate bottom（15）, swash plate top（16）, spring guide pillar（21）With swash plate spring（22）；
The swash plate bottom（15）For the cylinder with a ladder, its center is provided with through hole, is set in the middle part of its bigger diameter end end face
It is equipped with the cambered surface groove that a bottom surface is cambered surface（17）, the cambered surface groove（17）Through whole end face and end face is divided into both sides,
Wherein side is to edge gradually thin inclined-plane, the multiple flat circular holes of opposite side setting by middle（19）；
The swash plate top（16）The thin cylinder of irregularly-shaped hole is provided with for a center, one end is to be set in the middle part of plane, other end
It is equipped with and swash plate bottom（15）On cambered surface groove（17）The cambered surface being engaged is raised（18）, the cambered surface projection（18）By place
End face is divided into both sides, and wherein side is that to edge gradually thin inclined-plane, opposite side is provided with and swash plate bottom by middle（15）On
Flat circular hole（19）Cheated for hemispherical ball quantity identical bottom surface（20）；
The swash plate bottom（15）On cambered surface groove（17）With swash plate top（16）On cambered surface it is raised（18）It is engaged, it is many
Individual flat circular hole（19）Cheated with multiple balls（20）Correspond, multiple flat circular holes（19）It is interior to be each placed with a spring guide pillar
（21）, swash plate spring（22）It is supported on spring guide pillar（21）With flat circular hole（19）Between, spring guide pillar（21）Top be ball
Face, with swash plate top（16）On ball hole（20）It is engaged.
8. a kind of axial plunger pump/motor according to claim 7, it is characterised in that：The swash plate top（16）Center
Semicircle, the power transmission shaft that is shaped as middle huge shape two ends of irregularly-shaped hole（7）In corresponding to irregularly-shaped hole at through the irregularly-shaped hole
Shape, power transmission shaft（7）With being affixed at the plane two-by-two of irregularly-shaped hole, space is left at cambered surface two-by-two.
9. a kind of axial plunger pump/motor according to claim 4 or 7, it is characterised in that：The clutch shaft bearing（13）For
Thrust ball bearing, the second bearing（14）For deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021653.7U CN206368805U (en) | 2017-01-10 | 2017-01-10 | A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021653.7U CN206368805U (en) | 2017-01-10 | 2017-01-10 | A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206368805U true CN206368805U (en) | 2017-08-01 |
Family
ID=59390547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021653.7U Active CN206368805U (en) | 2017-01-10 | 2017-01-10 | A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206368805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067692A (en) * | 2019-03-13 | 2019-07-30 | 钟彪 | A kind of twin axial piston motor |
| CN115523115A (en) * | 2022-09-29 | 2022-12-27 | 燕山大学 | Opposite-top type ultrahigh pressure axial plunger pump |
-
2017
- 2017-01-10 CN CN201720021653.7U patent/CN206368805U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067692A (en) * | 2019-03-13 | 2019-07-30 | 钟彪 | A kind of twin axial piston motor |
| CN115523115A (en) * | 2022-09-29 | 2022-12-27 | 燕山大学 | Opposite-top type ultrahigh pressure axial plunger pump |
| CN115523115B (en) * | 2022-09-29 | 2024-04-19 | 燕山大学 | Opposite-top type ultrahigh-pressure axial plunger pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106593851B (en) | A kind of swash plate and the axial plunger pump/motor for using the swash plate | |
| CN201560890U (en) | Hydraulic motor without link levers of planar oil distributing crankshaft | |
| CN106837725B (en) | two-dimensional axial plunger pump | |
| CN106438254B (en) | A kind of low speed axial plunger hydraulic pump | |
| CN104675691B (en) | A kind of Slipper coupling of axial plunger pump or motor electromagnetic force pretension | |
| CN106015008B (en) | Rotary cylinder piston compressor pump body and compressor adopting same | |
| CN101131152A (en) | Constant-pressure variable radial-plunger pump | |
| CN101832243A (en) | Axial water pressure plunger pump with easy maintenance | |
| CN206368805U (en) | A kind of cylinder body and the axial plunger pump/motor for employing the cylinder body | |
| CN108161979B (en) | Robot hydraulic joint | |
| CN108278186B (en) | A kind of two-dimentional plunger hydraulic pamp of water-oil separating formula space cam transmission | |
| CN105952642A (en) | Air cylinder bearing lubrication structure and slide vane compressor | |
| CN108757373B (en) | Double-sloping cam plate plunger type motor pump | |
| CN108161984B (en) | Hydraulic joint module of robot | |
| CN108301999A (en) | A kind of two-dimentional plunger pump of space cam transmission | |
| CN103742378A (en) | Radial plunger hydraulic pump adopting slide valves for flow distribution | |
| CN101451516A (en) | 50Mpa self complementing electro-hydraulic proportional controlled axial direction plunger variable displacement pump | |
| CN201096061Y (en) | 50Mpa self complementing type electrohydraulic proportional control axial plunger variable pump | |
| CN201196146Y (en) | Cambered axle type spherical surface valve axial plunger variable displacement pump | |
| CN114934886A (en) | Ultrahigh-pressure high-speed swash plate type axial plunger variable displacement pump | |
| CN207830127U (en) | The compression mechanism of screw compressor | |
| CN202690344U (en) | Full-water lubricating valve distributing plunger water pump | |
| WO2019134364A1 (en) | Compressor crankshaft and compressor having same | |
| CN201786591U (en) | Axial water-pressure plunger pump easy to be repaired | |
| WO2015139554A1 (en) | Anti-locking mechanism of spherical compressor rotor, anti-locking power mechanism of spherical compressor, and spherical compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |