CN207945041U - A kind of cycloid hydraulic motor of improved structure - Google Patents
A kind of cycloid hydraulic motor of improved structure Download PDFInfo
- Publication number
- CN207945041U CN207945041U CN201820152862.XU CN201820152862U CN207945041U CN 207945041 U CN207945041 U CN 207945041U CN 201820152862 U CN201820152862 U CN 201820152862U CN 207945041 U CN207945041 U CN 207945041U
- Authority
- CN
- China
- Prior art keywords
- cycloidal wheel
- procapsid
- stator
- cycloid
- inner spline
- 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
- Hydraulic Motors (AREA)
Abstract
A kind of cycloid hydraulic motor of improved structure disclosed by the utility model, including procapsid, back casing, stator, Cycloidal Wheel, needle column, oil distribution casing, bracket panel, pintle, transmission shaft and flow valve pocket；The front end of stator is fixedly connected by front side board with the rear end of procapsid, and the rear end of stator is fixedly connected by back side panel with the front end of back casing；Cycloidal Wheel is set to the inside of stator, and needle column is set between stator and Cycloidal Wheel；Oil distribution casing, bracket panel are with the installation of in back casing from front to back；Transmission shaft and flow valve pocket are with the installation of in procapsid, and the front end of flow valve pocket is provided with output shaft, and output shaft stretches out in the outside of procapsid；Spacing between each tooth socket of the inner spline gear of Cycloidal Wheel and the cycloid outer surface of Cycloidal Wheel is equal；Spacing between each tooth top of the inner spline gear of Cycloidal Wheel and the cycloid outer surface of Cycloidal Wheel is equal.The utility model is simple and reasonable, stable and reliable working performance.
Description
Technical field
The utility model is related to hydraulic motor technical field, more particularly to a kind of cycloid hydraulic motor of improved structure.
Background technology
Cycloid hydraulic motor is the transmission device for realizing liquid-function amount conversion, compared with other kinds of hydraulic motor, pendulum
Line hydraulic motor has many advantages, such as that simple in structure, compact, light quality, torque are big, thus be widely used in plastics machinery,
In the equipment such as engineering machinery, handling machinery, fishery machinery and special purpose machine tool.
The rotor that cycloid hydraulic motor is mainly made of including stator, stator interior Cycloidal Wheel, stator is then mainly by periphery
Stator and stator on the inside of the needle tooth that is made of multiple needle columns constitute, Cycloidal Wheel is meshed with needle tooth.Cycloid hydraulic motor is in work
When making, Cycloidal Wheel moves in the form of around stator center revolution and rotation, and Cycloidal Wheel is during cycle movement, then passes through
Its internal inner spline gear drives transmission shaft rotation, to realize power output.Therefore, the processing essence of the inner spline gear of Cycloidal Wheel
Degree determines the working performance of cycloid hydraulic motor to a certain extent.
Currently, the knot of the inner spline gear and its cycloid outer profile of Cycloidal Wheel used by common cycloid hydraulic motor on the market
Structure design is usually as shown in Figure 1, the inner spline gear of this Cycloidal Wheel and cycloid outer profile protrusion and corresponding respectively, this structure that is recessed
The defect of design is：Since the wall unevenness corresponding to each inner spline gear is even, Cycloidal Wheel is easy to cause at carburizing and quenching
During reason, cause part overall deformation inconsistent so as to affect the performance of following process positioning and motor.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of simple and reasonable, work is provided
Make the cycloid hydraulic motor of improved structure stable and reliable for performance.
To achieve the above object, the utility model uses following technical scheme.
A kind of cycloid hydraulic motor of improved structure, including procapsid, back casing, stator, Cycloidal Wheel, needle column, oil distribution casing,
Bracket panel, pintle, transmission shaft and flow valve pocket；The front end of the stator is fixed by the rear end of front side board and the procapsid
Connection, the rear end of the stator is fixedly connected by back side panel with the front end of the back casing；The Cycloidal Wheel is set to described
The inside of stator, the needle column are set between the stator and the Cycloidal Wheel；The oil distribution casing, the bracket panel by it is preceding extremely
After be with the installation of in the back casing；The front end of the pintle engages connection with the inner spline gear of the Cycloidal Wheel, described
Connection is engaged with the inner spline gear of the oil distribution casing in the rear end of pintle；The transmission shaft and the flow valve pocket are with the installation of
In the procapsid, the front end of the transmission shaft engages connection with the inner spline gear of the flow valve pocket, after the transmission shaft
Connection is engaged at end with the inner spline gear of the Cycloidal Wheel, and the front end of the flow valve pocket is provided with output shaft, and the output shaft is stretched
For the outside of the procapsid；Each tooth socket of the inner spline gear of the Cycloidal Wheel and the cycloid outer surface of the Cycloidal Wheel
Between spacing be equal；Between each tooth top of the inner spline gear of the Cycloidal Wheel and the cycloid outer surface of the Cycloidal Wheel
Spacing be equal.
Further, the line of centres at the center and the Cycloidal Wheel of the high spot of the cycloid outer surface of the Cycloidal Wheel
It is set as r1, the center of the recess of the cycloid outer surface of the Cycloidal Wheel and the line of centres of the Cycloidal Wheel are set as
R2 is located on the r1 and the r2 to the center interleaved of the tooth top of the inner spline gear of the Cycloidal Wheel.
Further, the center of the tooth socket of the inner spline gear of the Cycloidal Wheel and the line of centres of the Cycloidal Wheel are set as
Angle α between r3, the r3 and the adjacent r1 and the adjacent r2 is 15 °.
Further, the flow valve pocket is supported in by a pair of bearings positioning in the procapsid.
Further, it is provided with positioning spacer ring between two bearings.
Further, the front end of the procapsid is provided with the outside framework oil seal with the output sealing cooperation.
The beneficial effects of the utility model are：Cycloid hydraulic motor provided by the utility model passes through the knot to Cycloidal Wheel
Structure optimizes, specifically, the cycloid outer profile of each tooth socket of the inner spline gear by making Cycloidal Wheel and Cycloidal Wheel
Spacing between face is equal, and is made between each tooth top of the inner spline gear of Cycloidal Wheel and the cycloid outer surface of Cycloidal Wheel
Spacing is equal so that can be deformed in Cycloidal Wheel carburizing and quenching processing procedure unanimously, to ensure that the follow-up of Cycloidal Wheel adds
Work positioning is more accurate, and then ensures the utility model working performance is more stable reliable when in use.The utility model knot
Advantages of simple is arranged in structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the Cycloidal Wheel of existing gerotor motor.
Fig. 2 is the overall structure diagram of the utility model.
Fig. 3 is the structural schematic diagram of the Cycloidal Wheel of the utility model.
In Fig. 1-3：1, procapsid；2, back casing；3, stator；4, Cycloidal Wheel；5, needle column；6, oil distribution casing；7, bracket panel；8、
Pintle；9, transmission shaft；10, flow valve pocket；11, front side board；12, back side panel；13, output shaft；14, bearing；15, positioning every
Circle；16, outside framework oil seal.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
A kind of cycloid hydraulic motor of improved structure as shown in Figures 2 and 3, including procapsid 1, back casing 2, stator 3,
Cycloidal Wheel 4, needle column 5, oil distribution casing 6, bracket panel 7, pintle 8, transmission shaft 9 and flow valve pocket 10；The front end of stator 3 passes through front side
Plate 11 is fixedly connected with the rear end of procapsid 1, and the rear end of stator 3 is fixedly connected by back side panel 12 with the front end of back casing 2；Pendulum
Line wheel 4 is set to the inside of stator 3, and needle column 5 is set between stator 3 and Cycloidal Wheel 4；Oil distribution casing 6, bracket panel 7 are from front to back
It is with the installation of in back casing 2；The front end of pintle 8 engages connection with the inner spline gear of Cycloidal Wheel 4, the rear end of pintle 8 with
The inner spline gear engagement connection of oil distribution casing 6；Transmission shaft 9 and flow valve pocket 10 are with the installation of in procapsid 1, before transmission shaft 9
Connection is engaged at end with the inner spline gear of flow valve pocket 10, and the rear end of transmission shaft 9 is engaged connection with the inner spline gear of Cycloidal Wheel 4, matched
The front end of stream valve pocket 10 is provided with output shaft 13, and output shaft 13 stretches out in the outside of procapsid 1.
The agent structure of cycloid hydraulic motor described in the utility model is constituted above.Cycloid hydraulic pressure horse described in the utility model
The operation principle reached is identical as cycloid hydraulic motor in the prior art, therefore this will not be repeated here.
Cycloid hydraulic motor provided by the utility model, referring to Fig. 3, each tooth socket and the pendulum of the inner spline gear of Cycloidal Wheel 4
Spacing between the cycloid outer surface of line wheel 4 is equal；The pendulum of each tooth top and Cycloidal Wheel 4 of the inner spline gear of Cycloidal Wheel 4
Spacing between line outer surface is equal.By the way that above structure is arranged so that can in 4 carburizing and quenching processing procedure of Cycloidal Wheel
Deformation is consistent, and the following process positioning to ensure that Cycloidal Wheel 4 is more accurate, and then ensures the utility model when in use
Working performance is more stable reliable.
Specifically, in the present embodiment, in the center of the high spot of the cycloid outer surface of Cycloidal Wheel 4 and Cycloidal Wheel 4
Heart line is set as r1, and the center of the recess of the cycloid outer surface of Cycloidal Wheel 4 and the line of centres of Cycloidal Wheel 4 are set as
R2 is located on r1 and r2 to the center interleaved of the tooth top of the inner spline gear of Cycloidal Wheel 4.
It is further preferable that the center of the tooth socket of the inner spline gear of Cycloidal Wheel 4 and the line of centres of Cycloidal Wheel 4 are set as r3,
Angle α between r3 and adjacent r1 and adjacent r2 is 15 °.
In the present embodiment, in order to improve the assembly precision of flow valve pocket 10, flow valve pocket 10 is positioned by a pair of bearings 14
It is supported in procapsid 1, it is preferable that bearing 14 is set as taper roll bearing 14.In order to improve the position between two bearings 14
Degree of setting is provided with positioning spacer ring 15 between two bearings 14.
In the present embodiment, the front end of procapsid 1 is provided with the outside framework oil seal 16 with the sealing cooperation of output shaft 13, avoids oil
Liquid leaks, while also effectively preventing the impurity such as dust and entering inside the utility model, plays the effect of protection, extending makes
Use the service life.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (6)
1. a kind of cycloid hydraulic motor of improved structure, including it is procapsid, back casing, stator, Cycloidal Wheel, needle column, oil distribution casing, auxiliary
Help disk, pintle, transmission shaft and flow valve pocket；The front end of the stator is fixed by the rear end of front side board and the procapsid to be connected
It connects, the rear end of the stator is fixedly connected by back side panel with the front end of the back casing；The Cycloidal Wheel is set to described fixed
The inside of son, the needle column are set between the stator and the Cycloidal Wheel；The oil distribution casing, the bracket panel are from front to back
It is with the installation of in the back casing；The front end of the pintle engages connection with the inner spline gear of the Cycloidal Wheel, described to match
Connection is engaged with the inner spline gear of the oil distribution casing in the rear end of stream axis；The transmission shaft and the flow valve pocket are with the installation of institute
It states in procapsid, connection, the rear end of the transmission shaft are engaged in the front end of the transmission shaft with the inner spline gear of the flow valve pocket
Connection is engaged with the inner spline gear of the Cycloidal Wheel, the front end of the flow valve pocket is provided with output shaft, and the output shaft stretches out
In the outside of the procapsid；It is characterized in that：The pendulum of each tooth socket and the Cycloidal Wheel of the inner spline gear of the Cycloidal Wheel
Spacing between line outer surface is equal；Outside each tooth top of the inner spline gear of the Cycloidal Wheel and the cycloid of the Cycloidal Wheel
Spacing between contoured surface is equal.
2. the cycloid hydraulic motor of improved structure according to claim 1, it is characterised in that：Outside the cycloid of the Cycloidal Wheel
The center of the high spot of contoured surface and the line of centres of the Cycloidal Wheel are set as r1, the cycloid outer surface of the Cycloidal Wheel
The line of centres of the center of recess and the Cycloidal Wheel is set as r2, between the center of the tooth top of the inner spline gear of the Cycloidal Wheel
Every alternately be located at the r1 and the r2 on.
3. the cycloid hydraulic motor of improved structure according to claim 2, it is characterised in that：The internal spline of the Cycloidal Wheel
The line of centres of the center of the tooth socket of tooth and the Cycloidal Wheel be set as r3, the r3 and the adjacent r1 and the adjacent r2 it
Between angle α be 15 °.
4. the cycloid hydraulic motor of improved structure according to claim 1, it is characterised in that：The flow valve pocket passes through one
Bearing positioning is supported in the procapsid.
5. the cycloid hydraulic motor of improved structure according to claim 4, it is characterised in that：It is set between two bearings
It is equipped with positioning spacer ring.
6. the cycloid hydraulic motor of improved structure according to claim 1, it is characterised in that：The front end of the procapsid is set
It is equipped with the outside framework oil seal with the output sealing cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152862.XU CN207945041U (en) | 2018-01-30 | 2018-01-30 | A kind of cycloid hydraulic motor of improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152862.XU CN207945041U (en) | 2018-01-30 | 2018-01-30 | A kind of cycloid hydraulic motor of improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207945041U true CN207945041U (en) | 2018-10-09 |
Family
ID=63698803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820152862.XU Active CN207945041U (en) | 2018-01-30 | 2018-01-30 | A kind of cycloid hydraulic motor of improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207945041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630431A (en) * | 2019-08-20 | 2019-12-31 | 江苏国瑞液压机械有限公司 | Shaft flow distribution hydraulic motor |
-
2018
- 2018-01-30 CN CN201820152862.XU patent/CN207945041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630431A (en) * | 2019-08-20 | 2019-12-31 | 江苏国瑞液压机械有限公司 | Shaft flow distribution hydraulic motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203584678U (en) | Shaft valve flow-distributed cycloid hydraulic motor | |
| CN103939333B (en) | A kind of inside gearing pump with radial compensation | |
| CN103629042B (en) | Axle valve flow distribution cycloid hydraulic motor | |
| CN219366705U (en) | Novel planetary reducer | |
| CN106352024A (en) | Single-eccentric short transmission chain speed reducer | |
| CN207945041U (en) | A kind of cycloid hydraulic motor of improved structure | |
| CN104879298A (en) | Variable displacement gear pump | |
| CN203809622U (en) | Second-level hard gear face cycloid steel ball planetary reducer | |
| CN206092845U (en) | Flexible bearing harmonic motor gear box | |
| CN104121331B (en) | Double-screw impregnator gear drive | |
| CN204239628U (en) | Cycloidal planetary gear speed reducer | |
| CN201176930Y (en) | Gear ring pump | |
| CN106812906B (en) | Hydraulic rotary power assembly for engineering machinery | |
| Ding | Application of non-circular planetary gear mechanism in the gear pump | |
| CN201615330U (en) | Improved motorcycle oil pump | |
| CN2883675Y (en) | Plametary cylinder type planger pump or motor | |
| CN203239560U (en) | Oil supplementing pump of internal-meshing cycloid gear | |
| CN209309272U (en) | A kind of close roller shafting of retarder heavy duty | |
| CN207945042U (en) | A kind of variable cycloid hydraulic motor | |
| CN102536796A (en) | Compensation gear pump for annular spoke springs | |
| CN206175573U (en) | Single eccentric short driving chain reduction gear | |
| CN102518587A (en) | Compensating internal-external gear pump for internal pressure passage | |
| CN107061139A (en) | A kind of cycloid hydraulic motor | |
| CN102536798A (en) | Compensation gear pump for internal-pressure passage | |
| CN2097295U (en) | Internal-engagement internal cycloidal oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |