CN208040618U - A kind of split type cycloid hydraulic motor - Google Patents
A kind of split type cycloid hydraulic motor Download PDFInfo
- Publication number
- CN208040618U CN208040618U CN201820152861.5U CN201820152861U CN208040618U CN 208040618 U CN208040618 U CN 208040618U CN 201820152861 U CN201820152861 U CN 201820152861U CN 208040618 U CN208040618 U CN 208040618U
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- shell
- stator
- output shaft
- hydraulic motor
- mounting flange
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Abstract
The utility model is related to cycloid hydraulic motor technical fields, more particularly to a kind of split type cycloid hydraulic motor, including shell, mounting flange, transmission shaft, stator body group and rear cover, the stator body group includes stator, with the rotor of the stator corresponding matching, the front end of the stator is fixedly connected by side plate with the rear end of the shell, the rear end of the stator is fixedly connected with the rear cover, flow valve pocket and transmission shaft are respectively arranged in the main casing, the end integrated setting output shaft of the flow valve pocket, the shell, which is removably secured by screw with mounting flange, to be connect, centre bore corresponding with output shaft is arranged so that output shaft passes through in the mounting flange, the end of the output shaft passes through centre bore and stretches out in the outside of the shell.The utility model structure setting is reasonable, easy to operate.
Description
Technical field
The utility model is related to hydraulic gerotor hydraulic motor technical field, especially a kind of split type cycloid hydraulic motor.
Background technology
Gerotor motor be a kind of the small-sized of internal messing cycloidal gear type, low speed, large torque hydraulic motor.The letter of its structure
List, low-speed performance are good, and short-term overload capacity is strong.There are one stator and a rotors for tool in gerotor motor in the prior art, fixed
Motor is divided into 7 seal chambers by son, rotor, and when rotor is gone around relative to stator center public affairs, rotor is from opposite side at this time
Upward 1/6 turn of rotation, 7 seal chambers are respectively completed the one cycle from low pressure-high pressure-low pressure in motor.
Existing axial oil distribution cycloidal hydraulic motor, the mounting flange and shell of cycloid hydraulic motor are integrated.It is right
In some special mounting occasions or operating mode, it is unfavorable for the quick and easy change cycloid hydraulic motor mounting flange of client, causes to make
With more inconvenience, there are larger limitations.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide a kind of simple in structure, flange and
The split type cycloid hydraulic motor of the split type assembly of shell.
To achieve the above object, the utility model uses following technical scheme：A kind of split type cycloid hydraulic motor, including
Shell, mounting flange, transmission shaft, stator body group and rear cover, the stator body group include stator and the stator corresponding matching
Rotor, the front end of the stator is fixedly connected by side plate with the rear end of the shell, the rear end of the stator with it is described after
Lid is fixedly connected, and working chamber, the main casing are formed between the side plate, the stator, the rotor and the rear cover
Inside it is respectively arranged with flow valve pocket and transmission shaft, the end integrated setting output shaft of the flow valve pocket, the front end of transmission shaft
Connection is engaged with the internal spline of flow valve pocket, the rear end of transmission shaft engages connection with the internal spline of rotor, and the shell passes through spiral shell
Nail is removably secured with mounting flange to be connect, and centre bore corresponding with output shaft is arranged for output shaft in the mounting flange
Pass through, the end of the output shaft passes through centre bore and stretches out in the outside of the shell, after the centre bore of the mounting flange
End is provided with the first circular step, and the front end of the shell is provided with the corresponding with first circular step second cyclic annular platform
Rank is provided with the positioning retainer ring with the limit cooperation of flow valve pocket between first circular step and second circular step,
The positioning retainer ring is sheathed on the outside of the output shaft, and the positioning retainer ring is in match setting with the output shaft.
In a kind of above-mentioned split type cycloid hydraulic motor, it is arranged between the front end and positioning retainer ring of the flow valve pocket
There is thrust bearing.
In a kind of above-mentioned split type cycloid hydraulic motor, sealing ring is provided between the shell and mounting flange.
In a kind of above-mentioned split type cycloid hydraulic motor, the center bore inner wall front end of the mounting flange be provided with
The annular projection of output shaft adaptation.
In a kind of above-mentioned split type cycloid hydraulic motor, the rear cover is provided with draining screw plug.
In a kind of above-mentioned split type cycloid hydraulic motor, the shell, side plate, stator and rear cover pass through fixing bolt
It is fixedly connected.
The beneficial effects of the utility model are：
Compared with prior art, the utility model is connect by the way that mounting flange to be removably secured with shell, when use
The production cost of cycloid hydraulic motor can be reduced with the general same shell for different mounting flanges, in addition, for not
Same installation environment, when client needs interim change mounting flange, it is only necessary to which replacing mounting flange can complete, efficiently soon
Speed, it is easy to use；And the utility model between shell and mounting flange by being arranged positioning retainer ring, by positioning retainer ring to matching
Stream valve pocket and output shaft are positioned, and assembly precision is also effectively increased so that working performance is more stable reliable.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model.
In figure：1, output shaft；2, mounting flange；3, shell；4, positioning retainer ring；5, screw；6, flow valve pocket；7, it is driven
Axis；9, rear cover；11, stator；12, rotor；13, side plate；15a, the first circular step；15b, the second circular step；16, center
Hole；17, sealing ring；18, draining screw plug；19, annular projection；20, fixing bolt；21, thrust bearing.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, a kind of split type cycloid hydraulic motor, including shell 3, mounting flange 2, transmission shaft 7, stator body group
And rear cover 9, the stator body group include stator 11, with the rotor 12 of 11 corresponding matching of the stator, before the stator 11
End is fixedly connected by side plate 13 with the rear end of the shell 3, and the rear end of the stator 11 is fixedly connected with the rear cover 9, institute
It states and is formed with working chamber between side plate 13, the stator 11, the rotor 12 and the rear cover 9, in the main casing 3 respectively
Be provided with flow valve pocket 6 and transmission shaft 7, the end integrated setting output shaft 1 of the flow valve pocket 6, the front end of transmission shaft 7 with
The internal spline engagement connection of flow valve pocket 6, connection is engaged in the rear end of transmission shaft 7 with the internal spline of rotor 12.
The shell 3 is removably secured with mounting flange 2 by screw 5 and is connect, the setting of the mounting flange 2 and output
1 corresponding centre bore 16 of axis passes through for output shaft 1, and the end of the output shaft 1 passes through centre bore 16 and stretches out in described
16 rear end of centre bore of the outside of shell 3, the mounting flange 2 is provided with the first circular step 15a, the front end of the shell 3
Be provided with second circular step 15b corresponding with the first circular step 15a, the first circular step 15a with it is described
The positioning retainer ring 4 with the limit cooperation of flow valve pocket 6 is provided between second circular step 15b, the positioning retainer ring 4 is sheathed on institute
The outside of output shaft 1 is stated, and the positioning retainer ring 4 is in match setting with the output shaft 1.
Specifically, being provided with the work that thrust bearing 21 plays positioning between the front end and positioning retainer ring 4 of the flow valve pocket 6
With.Sealing ring 17 is provided between the shell 3 and mounting flange 2, such design makes sealing effect more preferably.
Specifically, the 16 inner wall front end of centre bore of the mounting flange 2 is provided with the annular projection being adapted to output shaft 1
19.It is used for reducing the contact area of mounting flange 2 and output shaft 1 by annular projection 19, reduces friction, reduces abrasion, to
Sensitivity is improved, is prolonged the service life.
Specifically, to facilitate installation, the shell 3, side plate 13, stator 11 and rear cover 9 are fixed by fixing bolt 20
Connection.The rear cover 9 is provided with draining screw plug 18.Since side plate 13, stator 11, rotor 12 and shell 3 are rigid material
It is made so that when rotor 12 rotates under the action of oil pressure, a part of fluid in working chamber, which can leak, is trapped in shell 3
It is interior, the normal work of the utility model can be then influenced when the oil pressure in shell 3 is excessively high, it at this time can be real by draining screw plug 18
Now to the quick draining of delay fluid, to ensure the stability of utility model works.
Compared with prior art, the utility model is connect by the way that mounting flange 2 to be removably secured with shell 3, is used
When the production cost of cycloid hydraulic motor can be reduced, in addition, needle with the general same shell 3 for different mounting flanges 2
To different installation environments, when client needs interim change mounting flange 2, it is only necessary to replacing mounting flange 2 can complete,
Efficiently quickly, easy to use；And the utility model between shell 3 and mounting flange 2 by being arranged positioning retainer ring 4, by fixed
Position baffle ring 4 positions flow valve pocket 6 and output shaft 1, also effectively increases assembly precision so that working performance is more stable
Reliably.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of split type cycloid hydraulic motor, including shell（3）, mounting flange（2）, transmission shaft（7）, stator body group and after
Lid（9）, the stator body group includes stator（11）And the stator（11）The rotor of corresponding matching（12）, the stator（11）
Front end pass through side plate（13）With the shell（3）Rear end be fixedly connected, the stator（11）Rear end and the rear cover（9）
It is fixedly connected, the side plate（13）, the stator（11）, the rotor（12）And the rear cover（9）Between be formed with work
Chamber, the shell（3）Inside it is respectively arranged with flow valve pocket（6）And transmission shaft（7）, the flow valve pocket（6）End integration
Output shaft is set（1）, transmission shaft（7）Front end and flow valve pocket（6）Internal spline engagement connection, transmission shaft（7）Rear end with
Rotor（12）Internal spline engagement connection, it is characterised in that：The shell（3）Pass through screw（5）With mounting flange（2）Detachably
Ground is fixedly connected, the mounting flange（2）Setting and output shaft（1）Corresponding centre bore（16）For output shaft（1）Pass through,
The output shaft（1）End pass through centre bore（16）And stretch out in the shell（3）Outside, the mounting flange（2）'s
Centre bore（16）Rear end is provided with the first circular step（15a）, the shell（3）Front end be provided with and the first cyclic annular platform
Rank（15a）Corresponding second circular step（15b）, first circular step（15a）With second circular step（15b）
Between be provided with flow valve pocket limit cooperation positioning retainer ring（4）, the positioning retainer ring（4）It is sheathed on the output shaft（1）
Outside, and the positioning retainer ring（4）With the output shaft（1）It is arranged in matching.
2. a kind of split type cycloid hydraulic motor according to claim 1, which is characterized in that the flow valve pocket（6）'s
Front end and positioning retainer ring（4）Between be provided with thrust bearing（21）.
3. a kind of split type cycloid hydraulic motor according to claim 1, which is characterized in that the shell（3）With installation
Flange（2）Between be provided with sealing ring（17）.
4. a kind of split type cycloid hydraulic motor according to claim 1, which is characterized in that the mounting flange（2）'s
Centre bore（16）Inner wall front end is provided with and output shaft（1）The annular projection of adaptation（19）.
5. a kind of split type cycloid hydraulic motor according to claim 1, which is characterized in that the rear cover（9）It is provided with
Draining screw plug（18）.
6. a kind of split type cycloid hydraulic motor according to claim 1, which is characterized in that the shell（3）, side plate
（13）, stator（11）And rear cover（9）Pass through fixing bolt（20）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152861.5U CN208040618U (en) | 2018-01-30 | 2018-01-30 | A kind of split type cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152861.5U CN208040618U (en) | 2018-01-30 | 2018-01-30 | A kind of split type cycloid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040618U true CN208040618U (en) | 2018-11-02 |
Family
ID=63954728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820152861.5U Active CN208040618U (en) | 2018-01-30 | 2018-01-30 | A kind of split type cycloid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040618U (en) |
-
2018
- 2018-01-30 CN CN201820152861.5U patent/CN208040618U/en active Active
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