CN206092285U - Shell changes formula hydraulic motor - Google Patents
Shell changes formula hydraulic motor Download PDFInfo
- Publication number
- CN206092285U CN206092285U CN201621055806.1U CN201621055806U CN206092285U CN 206092285 U CN206092285 U CN 206092285U CN 201621055806 U CN201621055806 U CN 201621055806U CN 206092285 U CN206092285 U CN 206092285U
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- CN
- China
- Prior art keywords
- plunger
- marriage
- stream interface
- hydraulic motor
- joining
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- 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.)
- Withdrawn - After Issue
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- Hydraulic Motors (AREA)
Abstract
The utility model relates to a shell changes formula hydraulic motor, including the end cover, take guide rail curved surface rotating housing, join in marriage class ware and cylinder body, the cylinder body is fixed, rotating housing is rotatory around the cylinder body, joins in marriage class ware with the rotating housing synchronous revolution, the stream interface of joining in marriage of joining in marriage class ware is the rotatory stream interface of joining in marriage, flow distribution window is along the rotatory inside sunken recess of stream interface of joining in marriage, removes rotatory joining in marriage outside the stream interface, flow distribution window does not communicate with each other with rotatory arbitrary surface of joining in marriage beyond the stream interface, with there is plunger hole passageway static the joining in marriage of joining in marriage the contact of class ware on the stream interface, presses oily passageway and return path, and on rotating housing different positions, flow distribution window communicate static different passageways of joining in marriage on the stream interface, through joining in marriage stream, realizes that rotating housing rotates in succession, shell changes formula hydraulic motor simplifies the structure, reduces the processing and the assembly degree of difficulty when part quantity is flowed through to reduction fluid, has improved productivity ratio.
Description
Technical field
This utility model is related to a kind of hydraulic motor technical field, more particularly to a kind of rotary casing type hydraulic motor.
Background technology
At present country's rotary casing type hydraulic motor mostly is cylinder body and fixes, the rotation of the rotation housing with guide rail, wherein on cylinder body
Plunger hole has and the static plunger hole path communicated with stream interface.When this hydraulic motor works, we plunger hole path with
The guide surface section of plunger contact when pressure oil passage is communicated on correspondence plunger hole is referred to as plunger and stretches out curved sections, plunger hole with return
The guide surface section of plunger contact when oily passage is communicated on correspondence plunger hole is referred to as plunger withdrawal curved sections, in a circumferential direction
Plunger stretches out curved sections and plunger withdrawal curved sections are alternately distributed.Flow distributor is with rotation housing synchronous rotary.
If a number of patent application is 201320630992.7（Publication No. is the U of CN 203627076）Chinese utility model
Patent《A kind of shell-rotating hydraulic motor》A kind of rotary casing type hydraulic motor is disclosed, its assignment process is that pressure oil passes through erection support
Into oil-guiding shaft, then flow distributor is entered by input shaft, plunger hole is then entered Jing after the secondary flow of valve plate, promote plunger to move
Dynamic, it is many that this rotary casing type fluid distribution of hydraulic motor process fluid flows through parts, complex structure.
The content of the invention
Technical problem to be solved in the utility model is：A kind of rotary casing type hydraulic motor, the rotary casing type hydraulic pressure are provided
Motor can reduce the parts that fluid is flowed through, simple structure.
This utility model solve the technical scheme that adopted of above-mentioned technical problem for：
A kind of rotary casing type hydraulic motor, including end cap, the rotation housing with guide surface, flow distributor and cylinder body, cylinder body is solid
Fixed, rotation housing rotates around cylinder body, there is plunger hole and plunger on cylinder body, and flow distributor turns with rotation housing synchronous rotary, the shell
Formula hydraulic motor has rotating flow distribution face and static with stream interface；Flow distributor is rotating flow distribution face with stream interface, the rotating flow distribution face
There is oil-distribution port, the oil-distribution port is the groove along rotating flow distribution towards sunken inside, the rotating flow distribution face is removed on flow distributor
Outward, the oil-distribution port is not communicated with any surface beyond rotating flow distribution face；What is contacted with the flow distributor is static with stream interface
On have plunger hole path, pressure oil passage and drainback passage, rotation housing diverse location on, oil-distribution port connection it is static with stream interface
On different passages, by flow, realize that rotation housing continuously rotates.
In above-mentioned technical proposal, wherein the rotating flow distribution face is plane.
In above-mentioned technical proposal, wherein having synchronous groove on the flow distributor.
In above-mentioned technical proposal, wherein there is the spring mounting hole for installing automatic counterbalance spring on the flow distributor.
In above-mentioned technical proposal, wherein the centre bore having in the cylinder body through its axle center.
In above-mentioned technical proposal, wherein there is plunger retraction pressure oil passage on the cylinder body.
This utility model compared with prior art, has the advantages that:Because this utility model only needs to once match somebody with somebody
Flow and rotating flow distribution face can automatically compensate abrasion, reduce the leakage of fluid；The quantity that fluid flows through parts is reduced, letter
Change structure, greatly reduced part processing and assembly difficulty, improve production efficiency.
Description of the drawings：
Fig. 1 is this utility model rotary casing type hydraulic motor structure schematic cross-section.
Fig. 2 is this utility model rotary casing type hydraulic motor structure principle schematic.
Fig. 3 is this utility model rotary casing type fluid distribution of hydraulic motor device structural representation（Axonometric chart）.
Fig. 4 is this utility model rotary casing type hydraulic motor cylinders schematic diagram（Axonometric chart）.
Shown in figure：1st, flow distributor, 2, oil-distribution port, 3, rotating flow distribution face, 4, synchronous groove, 5, spring mounting hole, 6, subtract
Shake groove, and 10, cylinder body, 11, plunger hole path, 12, pressure oil passage, 13, drainback passage, 14 is static with stream interface, and 15, plunger, 16, post
Plug retraction pressure oil passage, 20, rotation housing, 21, guide surface, 22, plunger stretch out curved sections, 23, plunger withdrawal curved sections,
24th, end cap.
Specific embodiment
Embodiment of the present utility model and embodiment are described further below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this utility model is a kind of rotary casing type hydraulic motor, including end cap 24, band is led
The rotation housing 20 of rail curved surface 21, flow distributor 1 and cylinder body 10, cylinder body 10 is fixed, and rotation housing 20 rotates around cylinder body 10, cylinder body 10
On have plunger hole and a plunger 15, flow distributor 1 has rotating flow distribution face with the rotation synchronous rotary of housing 20, the rotary casing type hydraulic motor
3 and static with stream interface 14, flow distributor (1) is rotating flow distribution face (3) with stream interface, and the rotating flow distribution face (3) has oil-distribution port
(2), the oil-distribution port (2) is the groove caved inward along rotating flow distribution face (3), described in addition to the rotating flow distribution face (3)
Oil-distribution port (2) is not communicated with any surface beyond rotating flow distribution face (3), and what is contacted with the flow distributor is static with stream interface
(14) there are plunger hole path (11), pressure oil passage (12) and drainback passage (13) on, on rotation housing (20) diverse location, match somebody with somebody
Stream window (2) connects the static different passages with stream interface (14), by flow, realizes that rotation housing (20) continuously rotates.
Cylinder body 10 is fixed, and it is that bearing pin connects with the side axial plane of stream interface 14 that the endoporus and cylinder body 10 of rotation housing 20 are static, axle
Face inner side has a shaft shoulder to limit the rotation axial displacement of housing 20, and the endoporus of end cap 24 is static with the opposite side axial plane of stream interface 14 with cylinder body 10
Be also bearing pin connection, the endoporus of end cap 24 and cylinder body 10 it is static with the opposite side axial plane of stream interface 14 be axle coordinate, the inner side end of end cap 24
Abut against on the shaft shoulder in axial plane, end cap 24 and rotation housing 20 are bolted and are integrated, 10 liang of internal both ends of the surface cylinder body
Shaft shoulder contact limits the axial movement of rotation housing 20, and so rotating housing 20 can only rotate along cylinder body 10.
As shown in figures 1 and 3, the rotating flow distribution face 3 of the flow distributor 1 is plane, or sphere, and shape is disk
Shape, oil-distribution port 2 is groove, and different oil-distribution ports 2 so can reduce pressure oil by communicating inside flow distributor 1
Thrust to flow distributor, when oil-distribution port 2 is communicated, is counted by an oil-distribution port 2, and oil-distribution port 2 is shaped as kidney slot；Flow
There is synchronous groove 4 on device 1, synchronous groove 4 can be circular hole, mounting hole or the synchronous groove 4 on periphery, can by synchronous groove 4
To realize the synchronous rotary of the flow distributor and rotation housing 20；There is the spring for installing automatic counterbalance spring to install on flow distributor 1
Hole 5, by spring mounting hole 5 compression spring is installed, and compression spring is played to be made to flow distributor 1 with the static precompressed with stream interface 14
With automatically compensation is with the gap after wearing and tearing between stream interface；There is Silencing groove 6 on oil-distribution port 2, Silencing groove 6 can be that variable cross-section type subtracts
Shake groove, uiform section type Silencing groove or composite damping groove, and Silencing groove 6 can play reduction impact of flow distribution, reduces the work of noise
With the material of flow distributor 1 is iron-base powder metallurgy material.
As shown in figure 4, contact with the flow distributor it is static with have on stream interface 14 plunger hole path 11, pressure oil passage 12 and
Drainback passage 13, plunger hole path 11 is communicated with plunger hole, pressure oil passage 12 and drainback passage 13 near plunger hole path 11,
When the connection plunger of oil-distribution port 2 hole path 11 and pressure oil passage 12 or drainback passage 13, fluid enters plunger hole or from post
Flow out in consent.Pressure oil passage 12 and drainback passage 13 are the static annular groove with stream interface 14, pressure oil passage 12 and external force feed
Pipe is connected, and drainback passage 13 is connected with external oil return pipe.
When hydraulic motor normally runs, plunger retraction pressure oil passage 16 is directly connected with fuel tank, motor internal leakage hydraulic pressure
Oil can flow back to fuel tank by plunger retraction pressure oil passage 16, reduce the pressure inside motor.When rotary casing type hydraulic motor needs
During as driven freewheel, the pressure oil of the connection of plunger retraction pressure oil passage 16 enters the oil between cylinder body 10 and rotation housing 20
Chamber, plunger 15 is retracted in plunger hole under the pressure of pressure oil, and now, plunger 15 and guide surface 21 are not contacted, shell of revolution
Body 20 can be with higher than the rotation of the speed of rated motor rotating speed.
There is the centre bore through its axle center, in that context it may be convenient to be mounted on an axle on cylinder body 10.
The flow distributor and the rotation synchronous rotary of housing 20, embodiment one：It is with number of patent application
201320630992.7（Publication No. is the U of CN 203627076）Chinese utility model patent《A kind of shell-rotating hydraulic motor》Together
Step mode is identical, i.e., valve plate and rotation housing positioning are controlled it with rotation housing synchronous rotary by positioner.Implement
Mode two：Flow distributor housing interference fit or is welded together with rotation.
As shown in figure 3, the oil-distribution port 2 on the flow distributor and the rotation position relationship of housing 20, match somebody with somebody on rotating flow distribution face 3
The stream quantity of window 2 is 2 times of motor effect number, and in plunger the centre position of curved section 22 is stretched out, and one oil-distribution port 2 of correspondence can be even
Logical pressure channel 12 and plunger hole path 11, in the centre position of plunger withdrawal curved section 23, one oil-distribution port 2 of correspondence can be connected
Drainback passage 12 and plunger hole path 11.
As depicted in figs. 1 and 2, the course of work is that hydraulic oil pipe is connected on cylinder body 10, connects static by cylinder interior
With stream interface 14, then by the static cannelure with stream interface 14, pressure oil passage 12 and drainback passage 13 are arranged in plunger hole and are led to
Near road 11, in the course of work, curved section 22 is stretched out in plunger, the connection plunger of the oil-distribution port 2 hole path 11 and force feed are logical
Road 12, plunger 15 stretches out promotion rotation housing 20 and rotates, in plunger withdrawal curved section 23, the connection plunger hole of the oil-distribution port 2
Passage 11 and drainback passage 13, plunger 15 withdraws under the effect of guide surface 21, and through flow distributor flow, so circulation makes rotation
Transcapsidation body 20 is continuously rotated.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, it is one embodiment of the present utility model.
A kind of rotary casing type hydraulic motor, applies the rotary casing type hydraulic pressure on eight ten plunger inner curve radial motors of effect
Motor.
Rotation housing 20 can rotate along the central shaft of cylinder body 10, have guide surface 21 on rotation housing 20, rotate housing 20
Inside has and the position identical pin shaft hole of flow distributor 1, and pin shaft hole passes through interference fit fixed pin shaft, bearing pin other end and flow
Synchronous groove 4 on device 1（Pin-and-hole）It is that gap coordinates, flow distributor 1 can be translated along bearing pin direction, flows the spring peace on device body 1
Dress is provided with compression spring in hole 5, plays to flow distributor 1 and the static effect of the precompressed with stream interface 14, and automatically compensation is between stream interface
Gap after abrasion, makes to keep sealing between Port Plate Pair, when the rotation of housing 20 is rotated, drives flow distributor 1 same with rotation housing 20
Step rotation.
Flow distributor 1 is iron-base powder metallurgy material, and flow distributor 1 is hollow circular ring, and oil-distribution port 2 is shaped as kidney slot, is revolved
It is a plane to turn with stream interface 3.
Wherein 8 oil-distribution ports 2 of 16 oil-distribution ports 2 are distributed with rotating flow distribution face 3 near the centre of gyration, are plunger hole
The communicating passage of passage 11 and pressure oil passage 12, is plunger hole path 11 and returns away from other 8 oil-distribution ports 2 of the centre of gyration
The communicating passage of oily passage 13；Oil-distribution port 2 with rotation housing 20 position relationship be：The interposition of curved section 22 is stretched out in plunger
Put, one oil-distribution port 2 of correspondence can connect pressure channel 12 and plunger hole path 11, in the interposition of plunger withdrawal curved section 23
Put, one oil-distribution port 2 of correspondence can connect drainback passage 12 and plunger hole path 11, there is Silencing groove 6, vibration damping on oil-distribution port 2
Groove 6 is variable cross-section type Silencing groove, and Silencing groove 6 can play reduction impact of flow distribution, reduce the effect of noise.
It is static with having 10 plunger hole paths 11, annular pressure oil passage 12 and annular drainback passage 13 on stream interface 14.
As shown in figure 3, cylinder body overcentre plunger we be referred to as first plunger, be successively along clockwise direction second
To the tenth plunger.First plunger is located at upper dead center position, and plunger hole path 11 and pressure oil passage 12 and drainback passage 13 are all
Do not connect；Plunger hole path 11 on second plunger is connected with pressure oil passage 12, and it is suitable that plunger 15 stretches out promotion rotation housing 20
Hour hands rotate；Plunger hole path 11 on 3rd plunger is connected with pressure oil passage 12, and plunger 15 stretches out promotion rotation housing 20
Turn clockwise；Plunger hole path 11 on 4th plunger is connected with drainback passage 13, work of the plunger 15 in guide surface 21
Use lower withdrawal；Plunger hole path 11 on 5th plunger is connected with drainback passage 13, effect of the plunger 15 in guide surface 21
Lower withdrawal；6th plunger is located at upper dead center position, and plunger hole path 11 and pressure oil passage 12 are not connected with drainback passage 13；
Plunger hole path 11 on 7th plunger is connected with pressure oil passage 12, and plunger 15 stretches out the promotion rotation dextrorotation of housing 20
Turn；Plunger hole path 11 on 8th plunger is connected with pressure oil passage 12, and it is clockwise that plunger 15 stretches out promotion rotation housing 20
Rotation；Plunger hole path 11 on 9th plunger is connected with drainback passage 13, and plunger 15 is received in the presence of guide surface 21
Return；Plunger hole path 11 on tenth plunger is connected with drainback passage 13, and plunger 15 withdraws in the presence of guide surface 21.
In the course of work, in plunger curved section 22, the connection plunger of the oil-distribution port 2 hole path 11 and pressure oil passage 12, plunger are stretched out
15 stretch out promotion rotation housing 20 rotates, and in plunger withdrawal curved section 23, the oil-distribution port 2 connects plunger hole path 11 and returns
Oily passage 13, plunger 15 withdraws under the effect of guide surface 21, and through flow distributor flow, so circulation connects rotation housing 20
It is continuous to rotate.
When hydraulic motor normally runs, plunger retraction pressure oil passage 16 is directly connected with fuel tank, motor internal leakage hydraulic pressure
Oil can flow back to fuel tank by plunger retraction pressure oil passage 16, reduce the pressure inside motor.When rotary casing type hydraulic motor needs
During as driven freewheel, the pressure oil of the connection of plunger retraction pressure oil passage 16 enters the oil between cylinder body 10 and rotation housing 20
Chamber, plunger 15 is retracted in plunger hole under the pressure of pressure oil, and now, plunger 15 and guide surface 21 are not contacted, shell of revolution
Body 20 can be with higher than the rotation of the speed of rated motor rotating speed.
There is the centre bore through its axle center, in that context it may be convenient to be mounted on an axle on cylinder body 10.
Above content described in this specification is only to this utility model example explanation.This utility model
Person of ordinary skill in the field can make various modifications to described specific embodiment or supplement or adopt class
As mode substitute, content without departing from this utility model description or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (6)
1. a kind of rotary casing type hydraulic motor, including end cap (24), the rotation housing (20) with guide surface (21), flow distributor (1)
With cylinder body (10), cylinder body (10) fixation, rotate housing (20) and rotate around cylinder body (10), cylinder body has plunger hole and plunger on (10)
(15), with rotation housing (20) synchronous rotary, the rotary casing type hydraulic motor has rotating flow distribution face (3) and static to flow distributor (1)
With stream interface (14), it is characterised in that flow distributor (1) is rotating flow distribution face (3) with stream interface, and the rotating flow distribution face (3) has matches somebody with somebody
Stream window (2), the oil-distribution port (2) is the groove caved inward along rotating flow distribution face (3), and the rotation is removed on flow distributor (1)
Turn with stream interface (3) outward, the oil-distribution port (2) does not communicate with any surface beyond rotating flow distribution face (3), with the flow distributor
What is contacted is static with having plunger hole path (11), pressure oil passage (12) and drainback passage (13) on stream interface (14), in rotation housing
(20) on diverse location, oil-distribution port (2) connects the static different passages with stream interface (14), by flow, realizes shell of revolution
Body (20) continuously rotates.
2. rotary casing type hydraulic motor according to claim 1, it is characterised in that the rotating flow distribution face (3) is plane.
3. rotary casing type hydraulic motor according to claim 1, it is characterised in that have synchronous groove (4) on the flow distributor (1).
4. rotary casing type hydraulic motor according to claim 1, it is characterised in that the flow distributor (1) has installation compensation automatically
The spring mounting hole (5) of spring.
5. rotary casing type hydraulic motor according to claim 1, it is characterised in that the cylinder body (10) is with through its axle center
Centre bore.
6. rotary casing type hydraulic motor according to claim 1, it is characterised in that have plunger to retract pressure on the cylinder body (10)
Oily passage (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621055806.1U CN206092285U (en) | 2016-09-14 | 2016-09-14 | Shell changes formula hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621055806.1U CN206092285U (en) | 2016-09-14 | 2016-09-14 | Shell changes formula hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092285U true CN206092285U (en) | 2017-04-12 |
Family
ID=58476482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621055806.1U Withdrawn - After Issue CN206092285U (en) | 2016-09-14 | 2016-09-14 | Shell changes formula hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194571A (en) * | 2016-09-14 | 2016-12-07 | 杨健 | A kind of rotary casing type hydraulic motor |
| WO2021160005A1 (en) * | 2020-02-16 | 2021-08-19 | 杨健 | Cylinder body fixed hydraulic motor |
-
2016
- 2016-09-14 CN CN201621055806.1U patent/CN206092285U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194571A (en) * | 2016-09-14 | 2016-12-07 | 杨健 | A kind of rotary casing type hydraulic motor |
| CN106194571B (en) * | 2016-09-14 | 2018-01-09 | 杨健 | A kind of rotary casing type hydraulic motor |
| WO2021160005A1 (en) * | 2020-02-16 | 2021-08-19 | 杨健 | Cylinder body fixed hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180109 |