CN107387306A - 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
- Publication number
- CN107387306A CN107387306A CN201710647318.2A CN201710647318A CN107387306A CN 107387306 A CN107387306 A CN 107387306A CN 201710647318 A CN201710647318 A CN 201710647318A CN 107387306 A CN107387306 A CN 107387306A
- Authority
- CN
- China
- Prior art keywords
- housing
- cylinder body
- bearing
- main shaft
- connecting rod
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
- F03C1/0403—Details, component parts specially adapted of such engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention relates to a kind of new no connecting rod seven-star hydraulic motor, including cylinder body, main shaft, housing and drive end bearing bracket, in described housing seven inner chambers are formed around even circumferential, one end of described housing is connected with drive end bearing bracket, described main shaft is axially across housing and drive end bearing bracket, the location arrangements corresponding with inner chamber have eccentric wheel on main shaft, the outside of eccentric wheel is connected by compact arranged roller with coaxially arranged bearing holder (housing, cover), described cylinder body installation is in the lumen, described cylinder body upper end is disposed with cylinder cap, Rectangular Spring is disposed between described cylinder body and cylinder cap, described bearing holder (housing, cover) shape is designed as regular heptagon, one end of described cylinder body side wall corresponding with bearing holder (housing, cover) is mutually pushed up, the other end of described housing is connected with through-flow device, one end of the main shaft and the flow axis connection in through-flow device.The present invention has the rotating speed and bearing capacity for improving motor, reduces the tilt power of plunger body, reduces processing cost, the advantages that improving motor service life.
Description
Technical field
The present invention relates to novel motor field, 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 provided 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, enter line position by snap ring
Fixation is put, the constitutional detail quantity is more, processed complex, and cost is high, and 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.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of new no connecting rod seven-star hydraulic motor, have and improve horse
The rotating speed and bearing capacity reached, reduces the tilt power of plunger body, reduces processing cost, the advantages that improving motor service life.
The technical solution adopted for the present invention to solve the technical problems is：A kind of new no connecting rod seven-star hydraulic pressure horse is provided
Reach, including cylinder body, main shaft, housing and drive end bearing bracket, described housing is interior to form seven inner chambers, described housing around even circumferential
One end be connected with drive end bearing bracket, described main shaft is axially across housing and drive end bearing bracket, the position cloth corresponding with inner chamber on main shaft
Eccentric wheel is equipped with, the outside of eccentric wheel is connected by compact arranged roller with coaxially arranged bearing holder (housing, cover), described cylinder body peace
In the lumen, described cylinder body upper end is disposed with cylinder cap to dress, and Rectangular Spring is disposed between described cylinder body and cylinder cap, described
Bearing holder (housing, cover) shape is designed as regular heptagon, and one end of described cylinder body side wall corresponding with bearing holder (housing, cover) is mutually pushed up, described housing
The other end be 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 solutions according to the invention, described main shaft passes through symmetrical positioned at eccentric wheel both sides
The fore bearing of installation and rear bearing are connected with housing and drive end bearing bracket.
Supplemented as one kind to technical solutions according to the invention, positioned at the side of fore bearing axial direction on described main shaft
The axle envelope being in contact with drive end bearing bracket is installed.
Supplemented as one kind to technical solutions according to the invention, described roller is arranged side by side in several columns.
Supplemented as one kind to technical solutions according to the invention, described fore bearing and rear bearing are taper roller
Bearing.
Supplemented as one kind to technical solutions according to the invention, described cylinder body is barrel shape, its bottom design
There is oilhole.
Supplemented as one kind to technical solutions according to the invention, described pintle left end is provided with support frame.
Supplemented as one kind to technical solutions according to the invention, described main shaft one end is connected with pintle by double-end key
Connect.
Beneficial effect：The present invention relates to a kind of new no connecting rod seven-star hydraulic motor, by common seven-star under regular situation
Bulb, ball-and-socket and the piston shoes structure of motor are changed to the bearing housing structure of regular heptagon, and the design of the bearing holder (housing, cover) of regular heptagon is ingenious
The hydraulic coupling by cylinder body main shaft is passed to by regular heptagon axle sleeve, eliminate the bar linkage structure of common seven-star motor, in addition cylinder
Arrangement Rectangular Spring can reduce the gap between cylinder body and bearing holder (housing, cover) contact surface in vivo, avoid hydraulic motor from being sent out when running at high speed
Raw leakage, the present invention have the rotating speed and bearing capacity for improving motor, reduce the tilt power of plunger body, reduce processing cost, carry
The advantages that high motor service life.
Brief description of the drawings
Fig. 1 is the structural representation of side of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the conventional structure schematic diagram of the present invention；
Fig. 4 is the top view of the conventional structure of the present invention.
Reference：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, support frame, 16, partially
Heart wheel.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiments of the present invention are related to a kind of new no connecting rod seven-star hydraulic motor, as shown in Figure 1-2, including cylinder body
6th, main shaft 10, housing 4 and drive end bearing bracket 9, seven inner chambers are formed around even circumferential in described housing 4, the one of described housing 4
End is connected with drive end bearing bracket 9, and described main shaft 10 is axially across housing 4 and drive end bearing bracket 9, the position corresponding with inner chamber on main shaft 10
Eccentric wheel 16 is disposed with, the outside of eccentric wheel 16 is connected by compact arranged roller 13 with coaxially arranged bearing holder (housing, cover) 8, described
Cylinder body 6 install in the lumen, the described upper end of cylinder body 6 is disposed with cylinder cap 5, and square is disposed between described cylinder body 6 and cylinder cap 5
Shape spring 7, the described shape of bearing holder (housing, cover) 8 are designed as regular heptagon, one end side corresponding with bearing holder (housing, cover) 8 of described cylinder body 6
Wall mutually pushes up, and the other end of described housing 4 is connected with through-flow device 2, one end of the main shaft 10 and the pintle 1 in through-flow device 2
Connection.
Side on described 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.
Described roller 13 is arranged side by side in several columns.
Described fore bearing 12 and rear bearing 14 are taper roll bearing.
Described cylinder body 6 is barrel shape, and its bottom design has oilhole.
The described left end of pintle 1 is provided with support frame 15.
Described one end of main shaft 10 is connected with pintle 1 by double-end key 3.
Embodiment
During work, high-voltage oil liquid enters the inner chamber of cylinder body 6, 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, in the presence of axle 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 tangential force caused by a side of bearing holder (housing, cover) 8 to the pivot of eccentric wheel
Dynamic main axis, the present invention have the rotating speed and bearing capacity for improving motor, reduce the tilt power of plunger body, and reduction is processed into
Originally, the advantages that improving 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 chambers are formed around even circumferential in the housing (4) stated, one end of described housing (4) is connected with drive end bearing bracket (9), and it is special
Sign is：Described main shaft (10) is axially across housing (4) and drive end bearing bracket (9), the position corresponding with inner chamber on main shaft (10)
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, described cylinder body (6) upper end is disposed with cylinder cap (5) for described cylinder body (6) installation, described cylinder body (6) with
Rectangular Spring (7) is disposed between cylinder cap (5), described bearing holder (housing, cover) (8) shape is designed as regular heptagon, described cylinder body (6)
One end mutually pushed up with corresponding side wall on bearing holder (housing, cover) (8), the other end of described housing (4) is connected with through-flow device (2), the master
One end of axle (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：Described 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：Described 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：Described rolling
Post (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：Described cylinder body
(6) it is barrel shape, its bottom design has oilhole.
A kind of 7. new no connecting rod seven-star hydraulic motor according to claim 1, it is characterised in that：Described pintle
(1) left end is provided with support frame (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 |
|---|---|---|---|
| CN201710647318.2A CN107387306A (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 |
|---|---|---|---|
| CN201710647318.2A CN107387306A (en) | 2017-08-01 | 2017-08-01 | A kind of new no connecting rod seven-star hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387306A true CN107387306A (en) | 2017-11-24 |
Family
ID=60344407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710647318.2A Pending CN107387306A (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) | CN107387306A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420727Y (en) * | 2009-04-03 | 2010-03-10 | 宁波斯达弗液压传动有限公司 | Roller transmitting force pintle valve hydraulic motor |
| CN101713298A (en) * | 2009-11-05 | 2010-05-26 | 昆山金发液压机械有限公司 | Hydraulic motor provided with friction pair with nanometer graphite layer and method for processing nanometer graphite layer |
| CN201560890U (en) * | 2009-11-05 | 2010-08-25 | 昆山金发液压机械有限公司 | Hydraulic motor without link levers of planar oil distributing crankshaft |
| CN102619675A (en) * | 2011-06-16 | 2012-08-01 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN207261156U (en) * | 2017-08-01 | 2018-04-20 | 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 CN201710647318.2A patent/CN107387306A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420727Y (en) * | 2009-04-03 | 2010-03-10 | 宁波斯达弗液压传动有限公司 | Roller transmitting force pintle valve hydraulic motor |
| CN101713298A (en) * | 2009-11-05 | 2010-05-26 | 昆山金发液压机械有限公司 | Hydraulic motor provided with friction pair with nanometer graphite layer and method for processing nanometer graphite layer |
| CN201560890U (en) * | 2009-11-05 | 2010-08-25 | 昆山金发液压机械有限公司 | Hydraulic motor without link levers of planar oil distributing crankshaft |
| CN102619675A (en) * | 2011-06-16 | 2012-08-01 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN207261156U (en) * | 2017-08-01 | 2018-04-20 | 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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |