CN207261156U - A kind of new no connecting rod seven-star hydraulic motor - Google Patents
A kind of new no connecting rod seven-star hydraulic motor Download PDFInfo
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- CN207261156U CN207261156U CN201720950772.0U CN201720950772U CN207261156U CN 207261156 U CN207261156 U CN 207261156U CN 201720950772 U CN201720950772 U CN 201720950772U CN 207261156 U CN207261156 U CN 207261156U
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- connecting rod
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Abstract
It the utility model is related to a kind of new no connecting rod seven-star hydraulic motor, including cylinder body, main shaft, housing and drive end bearing bracket, in the housing seven inner cavities are formed around even circumferential, one end of the housing is connected with drive end bearing bracket, the main shaft is axially across housing and drive end bearing bracket, there is eccentric wheel with the corresponding location arrangements in inner cavity on main shaft, the outside of eccentric wheel is connected by compact arranged roller with coaxially arranged bearing holder (housing, cover), the cylinder body installation is in the lumen, the cylinder body upper end is disposed with cylinder cap, Rectangular Spring is disposed between the cylinder body and cylinder cap, the bearing holder (housing, cover) shape is designed as regular heptagon, one end of cylinder body side wall corresponding with bearing holder (housing, cover) mutually pushes up, the other end of the housing is connected with through-flow device, one end of the main shaft and the flow axis connection in through-flow device.The utility model has the rotating speed and bearing capacity for improving motor, the advantages that reducing the tilt power of plunger body, reduce processing cost, improve motor service life.
Description
Technical field
Novel motor field is the utility model is related to, more particularly to a kind of new no connecting rod seven-star hydraulic motor.
Background technology
Crankshaft connecting rod type seven-star hydraulic motor is one kind of single-acting radial piston hydraulic motor, seven cylinders of the motor
Circumferentially by radial radial etc. point arrangement, housing is star, and cylinder center is equipped with ball-and-socket, and connecting rod passes through the ball that is placed in ball-and-socket
Head semicircular ring and circlip for hole positioning, the bottom cylindrical face of the connecting rod other end are close to the inclined set of bent axle, by snap ring into line position
Fixation is put, the constitutional detail quantity is more, and processed complex is of high cost, its rotating speed is because of structure limitation, especially connection rod sphere, ball-and-socket
And the structure of Slipper coupling, rotating speed can not continue to improve, current applying working condition develops to the direction of high rotating speed top load, existing
The crank shaft-connection-lever type hydraulic in stage can not meet the requirement, it is therefore desirable to optimize single-acting radial piston hydraulic motor
Structure.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of new no connecting rod seven-star hydraulic motor, has and carries
The rotating speed and bearing capacity of high motor, reduce the tilt power of plunger body, reduce processing cost, and it is excellent to improve motor service life etc.
Point.
Technical solution is used by the utility model solves its technical problem：A kind of new no connecting rod seven-star liquid is provided
Pressure motor, including cylinder body, main shaft, housing and drive end bearing bracket, the housing is interior to form seven inner cavities around even circumferential, described
One end of housing is connected with drive end bearing bracket, the main shaft axially across housing and drive end bearing bracket, on main shaft with the corresponding position in inner cavity
Put and be disposed with eccentric wheel, the outside of eccentric wheel is connected by compact arranged roller with coaxially arranged bearing holder (housing, cover), the cylinder
Body is installed in the lumen, and the cylinder body upper end is disposed with cylinder cap, is disposed with Rectangular Spring between the cylinder body and cylinder cap, institute
The bearing holder (housing, cover) shape stated is designed as regular heptagon, and one end of cylinder body side wall corresponding with bearing holder (housing, cover) mutually pushes up, described
The other end of housing is connected with through-flow device, one end of the main shaft and the flow axis connection in through-flow device
Supplemented as one kind to technical solution described in the utility model, the main shaft passes through positioned at eccentric wheel both sides
The fore bearing and rear bearing being symmetrically installed are connected with housing and drive end bearing bracket.
Supplemented as one kind to technical solution described in the utility model, the side of fore bearing is located on the main shaft
It is axially installed with the axle envelope being in contact with drive end bearing bracket.
Supplemented as one kind to technical solution described in the utility model, the roller is arranged side by side in several columns.
Supplemented as one kind to technical solution described in the utility model, the fore bearing and rear bearing are circular cone
Roller bearing.
Supplemented as one kind to technical solution described in the utility model, the cylinder body is barrel shape, its bottom
It is designed with oilhole.
Supplemented as one kind to technical solution described in the utility model, the pintle left end is provided with support
Frame.
Supplemented as one kind to technical solution described in the utility model, described main shaft one end passes through double end with pintle
Key connection.
Beneficial effect：A kind of new no connecting rod seven-star hydraulic motor is the utility model is related to, will be common under regular situation
Bulb, ball-and-socket and the piston shoes structure of seven-star motor are changed to the bearing housing structure of regular heptagon, the design of the bearing holder (housing, cover) of regular heptagon,
The hydraulic coupling of cylinder body is cleverly passed into main shaft by regular heptagon axle sleeve, eliminates the link mechanism of common seven-star motor, separately
Arrangement Rectangular Spring can reduce the gap between cylinder body and bearing holder (housing, cover) contact surface in outer cylinder body, avoid hydraulic motor from running at high speed
Shi Fasheng is leaked, and the utility model has the rotating speed and bearing capacity for improving motor, reduces the tilt power of plunger body, reduces processing
The advantages that cost, raising motor service life.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model side；
Fig. 2 is the top view of the utility model；
Fig. 3 is the conventional structure structure diagram of the utility model；
Fig. 4 is the top view of the conventional structure of the utility model.
Reference numeral：1st, pintle, 2, through-flow device, 3, double-end key, 4, housing, 5, cylinder cap, 6, cylinder body, 7, Rectangular Spring,
8th, bearing holder (housing, cover), 9, drive end bearing bracket, 10, main shaft, 11, axle envelope, 12, fore bearing, 13, roller, 14, rear bearing, 15, supporting rack, 16, partially
Heart wheel.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It is to be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
Please the appended claims limited range.
The embodiment of the utility model is related to a kind of new no connecting rod seven-star hydraulic motor, as shown in Figs. 1-2, including
Cylinder body 6, main shaft 10, housing 4 and drive end bearing bracket 9, the housing 4 is interior to form seven inner cavities, the housing 4 around even circumferential
One end be connected with drive end bearing bracket 9, the main shaft 10 is corresponding with inner cavity on main shaft 10 axially across housing 4 and drive end bearing bracket 9
Location arrangements have eccentric wheel 16, and the outside of eccentric wheel 16 is connected by compact arranged roller 13 with coaxially arranged bearing holder (housing, cover) 8,
The cylinder body 6 is installed in the lumen, and 6 upper end of cylinder body is disposed with cylinder cap 5, is arranged between the cylinder body 6 and cylinder cap 5
There is Rectangular Spring 7,8 shape of bearing holder (housing, cover) is designed as regular heptagon, and one end of the cylinder body 6 is corresponding with bearing holder (housing, cover) 8
Side wall mutually push up, the other end of the housing 4 is connected with through-flow device 2, one end of the main shaft 10 and the flow in through-flow device 2
Axis 1 connects.
Side on the main shaft 10 positioned at fore bearing 12 is axially installed with the axle envelope 11 being in contact with drive end bearing bracket 9.
The roller 13 is arranged side by side in several columns.
The fore bearing 12 and rear bearing 14 are taper roll bearing.
The cylinder body 6 is barrel shape, its bottom is designed with oilhole.
1 left end of pintle is provided with supporting rack 15.
Described 10 one end of main shaft is connected with pintle 1 by double-end key 3.
Embodiment
During work, high-voltage oil liquid enters 6 inner cavity of cylinder body, work of the cylinder body 6 in Rectangular Spring 7 by oil distribution shaft 1 and through-flow device 2
It is close to all the time with 8 one sides of regular heptagon bearing holder (housing, cover) under, under the action of axis matches somebody with somebody streaming system, high-voltage oil liquid acts on cylinder body
6 bottoms, while cylinder body 6 produces moment of torsion, and band to the tangential force that a side of bearing holder (housing, cover) 8 produces to the pivot of eccentric wheel
Dynamic main axis, the utility model have the rotating speed and bearing capacity for improving motor, reduce the tilt power of plunger body, reduce processing
The advantages that cost, raising motor service life.
Claims (8)
1. a kind of new no connecting rod seven-star hydraulic motor, including cylinder body (6), main shaft (10), housing (4) and drive end bearing bracket (9), institute
Seven inner cavities are formed around even circumferential in the housing (4) stated, one end of the housing (4) is connected with drive end bearing bracket (9), it is special
Sign is：The main shaft (10) axially across housing (4) and drive end bearing bracket (9), on main shaft (10) with the corresponding position in inner cavity
Eccentric wheel (16) is disposed with, the outside of eccentric wheel (16) passes through compact arranged roller (13) and coaxially arranged bearing holder (housing, cover) (8)
Be connected, in the lumen, the cylinder body (6) upper end is disposed with cylinder cap (5) for described cylinder body (6) installation, the cylinder body (6) with
Rectangular Spring (7) is disposed between cylinder cap (5), the bearing holder (housing, cover) (8) shape is designed as regular heptagon, the cylinder body (6)
One end mutually pushed up with corresponding side wall on bearing holder (housing, cover) (8), the other end of the housing (4) is connected with through-flow device (2), the master
One end of axis (10) is connected with the pintle (1) in through-flow device (2).
A kind of 2. new no connecting rod seven-star hydraulic motor according to claim 1, it is characterised in that：The main shaft
(10) fore bearing (12) and rear bearing (14) and housing (4) and drive end bearing bracket by being symmetrically installed positioned at eccentric wheel (16) both sides
(9) it is connected.
A kind of 3. new no connecting rod seven-star hydraulic motor according to claim 1, it is characterised in that：The main shaft
(10) side on positioned at fore bearing (12) is axially installed with the axle envelope (11) being in contact with drive end bearing bracket (9).
A kind of 4. new no connecting rod seven-star hydraulic motor according to Claims 2 or 3, it is characterised in that：The rolling
Column (13) is arranged side by side in several columns.
A kind of 5. new no connecting rod seven-star hydraulic motor according to Claims 2 or 3, it is characterised in that：Before described
Bearing (12) and rear bearing (14) are taper roll bearing.
A kind of 6. new no connecting rod seven-star hydraulic motor according to claim 1, it is characterised in that：The cylinder body
(6) it is barrel shape, its bottom is designed with oilhole.
A kind of 7. new no connecting rod seven-star hydraulic motor according to claim 1, it is characterised in that：The pintle
(1) left end is provided with supporting rack (15).
A kind of 8. new no connecting rod seven-star hydraulic motor according to claim 1, it is characterised in that：The main shaft (10)
One end is connected with pintle (1) by double-end key (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950772.0U CN207261156U (en) | 2017-08-01 | 2017-08-01 | A kind of new no connecting rod seven-star hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950772.0U CN207261156U (en) | 2017-08-01 | 2017-08-01 | A kind of new no connecting rod seven-star hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261156U true CN207261156U (en) | 2018-04-20 |
Family
ID=61927748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720950772.0U Active CN207261156U (en) | 2017-08-01 | 2017-08-01 | A kind of new no connecting rod seven-star hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387306A (en) * | 2017-08-01 | 2017-11-24 | 宁波斯达弗液压传动有限公司 | A kind of new no connecting rod seven-star hydraulic motor |
-
2017
- 2017-08-01 CN CN201720950772.0U patent/CN207261156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387306A (en) * | 2017-08-01 | 2017-11-24 | 宁波斯达弗液压传动有限公司 | A kind of new no connecting rod seven-star hydraulic motor |
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