CN106762384B - Hydraulic motor arrangement - Google Patents
Hydraulic motor arrangement Download PDFInfo
- Publication number
- CN106762384B CN106762384B CN201710013304.5A CN201710013304A CN106762384B CN 106762384 B CN106762384 B CN 106762384B CN 201710013304 A CN201710013304 A CN 201710013304A CN 106762384 B CN106762384 B CN 106762384B
- Authority
- CN
- China
- Prior art keywords
- eccentric
- cycloid
- mounting hole
- pentacle weel
- crank shaft
- 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.)
- Expired - Fee Related
Links
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
- F03C1/047—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement the pistons co-operating with an actuated element at the outer ends of the cylinders
- F03C1/0472—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement the pistons co-operating with an actuated element at the outer ends of the cylinders with cam-actuated distribution members
-
- 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
- F03C1/0435—Particularities relating to the distribution members
- F03C1/0444—Particularities relating to the distribution members to plate-like distribution members
Abstract
The invention discloses a kind of hydraulic motor arrangements, including casting to lead to oil body, valve plate, shell, eccentric cycloid pentacle weel, cylinder body, hollow plunger, crank axle and output system；Installation cylinder body and hollow plunger, open up the eccentric mounting hole A and mounting hole B that a circle is located on the outside of pentacle weel groove thereon in eccentric cycloid pentacle weel；The output shaft of output system passes through mounting hole B, both ends connecting crank shaft stool A and crank shaft stool B；Crank axle is inserted into eccentric mounting hole A, and both ends are screwed onto respectively on crank shaft stool A and crank shaft stool B；Eccentric cycloid pentacle weel is engaged with shell；Valve plate leads to oil body with casting and is connected to, and is fixedly connected with eccentric cycloid pentacle weel by off-centre operation pin and is bonded with cylinder surface；Casting leads to oil body and is fixedly connected by bolt A with cylinder body or is fixedly connected by bolt B with shell.The present invention is pushed by oil pressure, is reduced many friction pairs, and can bear high pressure, is improved power-mass ratio and the service life of hydraulic motor.
Description
Technical field
The present invention relates to the hydraulic motor arrangements that a kind of pressure energy using liquid carries out continuous rotation movement.
Background technology
Hydraulic motor structure used is complicated currently on the market, processing cost is high, and all kinds of friction pairs are numerous, to material,
Machining accuracy has higher requirement, and to ensure the service life used, and torque needed for braking is big, can such as be made using plane flow mode
It is excessively huge at axial dimension, therefore generally exclusive use or only band first stage decelerator.Common running motor at present, mostly uses list
Acting hydraulic motor is equipped with multistage planet retarder this scheme, and still, structure has the shortcomings that complicated, manufacturing and installation difficulty
In the presence of.Simultaneously for single single-acting hydraulic motor, in huge discharge, there are hydraulic motor volume national language is huge
The shortcomings that.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of hydraulic motor arrangement to meet all user demands, the hydraulic pressure
Motor apparatus.
The present invention is achieved by the following technical solutions：Oil body, flow are led in a kind of hydraulic motor arrangement, including casting
Disk, shell, eccentric cycloid pentacle weel, cylinder body, hollow plunger, crank axle and output system；
Eccentric cycloid pentacle weel outer ring is cycloid gear, and center opens up pentacle weel groove, installed in pentacle weel groove
Cylinder body is arranged 5 hollow plungers along the periphery of cylinder body, spring is equipped in hollow plunger, a circle is opened up on eccentric cycloid pentacle weel
Eccentric mounting hole A on the outside of pentacle weel groove and mounting hole B；
Output system includes that output shaft, crank shaft stool A and crank shaft stool B, output shaft one end are fixed on crank axle branch
On seat A, the other end is screwed onto across mounting hole B on crank shaft stool B, and crank shaft stool A and crank shaft stool B are connected by bearing
It is connected on enclosure；
Crank axle is inserted into eccentric mounting hole A, and both ends are screwed onto respectively on crank shaft stool A and crank shaft stool B；
Eccentric cycloid pentacle weel is engaged by poor gear with shell；
Valve plate one end is inlaid in casting and leads in oil body, and the oilhole opened up thereon leads to the oil inlet opened up on oil body with casting
Or oil outlet connection, the valve plate other end pass through the central through hole of crank shaft stool A, pass through off-centre operation pin and eccentric cycloid five
Star-wheel is fixedly connected and is bonded with cylinder surface；
Casting leads to oil body and is fixedly connected by bolt A with cylinder body or is fixedly connected by bolt B with shell.
Further, the quantity of eccentric mounting hole A and mounting hole B are 3, are uniformly distributed along circle, 3 eccentric mounting hole A
It is uniformly distributed in 120 ° with 3 mounting hole B.
Further, the cycloid gear quantity of eccentric cycloid pentacle weel outer ring is 39, and enclosure gear ring quantity is 40, two
Person's difference tooth moves.
Further, eccentric cycloid pentacle weel is 2, and the two phase difference is 180 ° and is connected to crank axle, and one is reserved inclined
Gap in the heart.
Further, cylinder body is 2, and the two is placed side by side, and valve plate is radial valve plate.
Further, cycloid pentacle weel is equipped with eccentric holding device.
Further, needle roller bearing without inner ring is installed in eccentric mounting hole A.
The configuration of the present invention is simple, at low cost, small, hollow plunger keeps static pressure flat with the big enable of eccentric cycloid pentacle weel
Weighing apparatus, therefore high pressure can be born, piston effect is mainly to be pushed by oil pressure, reduces many friction pairs, and can bear high pressure, greatly
Improve power-mass ratio and the service life of hydraulic motor.The present invention has shell output and output system to export two kinds of forms, shell
When output, using off-centre operation pin the revolution of eccentric cycloid pentacle weel with 1：1 speed ratio, which is transferred to valve plate, makes it synchronize rotation
Row flow is rotated into, when output system exports, cylinder body 1:1 transmits eccentric cycloid pentacle weel rotation vector, to eliminate because of cycloid five-pointed star
Wheel has a reversed rotation again simultaneously around the revolution of shell needle cycle axle center, and caused by flow angular deviation.
Description of the drawings
Fig. 1 is structural schematic diagram when shell of the present invention rotates；
Fig. 2 is the structural schematic diagram of eccentric cycloid pentacle weel of the present invention；
Fig. 3 is structural schematic diagram when output system of the present invention rotates.
In figure, 1, casting lead to oil body；11, oil inlet；12, oil outlet；13, bolt A；14, bolt B；2, valve plate；3, outer
Shell；4, eccentric cycloid pentacle weel；41, pentacle weel groove；42, eccentric mounting hole A；43, mounting hole B；5, cylinder body；51, threaded hole；
6, hollow plunger；61, spring；7, off-centre operation pin；8, crank axle；9, output system；91, output shaft；92, bearing spider A；
921, central through hole；93, bearing spider B；94, bearing.
Specific implementation mode
Following further describes the present invention with reference to the drawings.
Embodiment 1
Hydraulic motor arrangement as shown in Figs. 1-2, including lead to oil body 1, valve plate 2, shell 3, eccentric cycloid including casting
Pentacle weel 4, cylinder body 5, hollow plunger 6, crank axle 8 and output system 9；
4 outer ring of eccentric cycloid pentacle weel is cycloid gear, and center opens up pentacle weel groove 41, in pentacle weel groove 41
Cylinder body 5 is installed, 5 hollow plungers 6 are set along the periphery of cylinder body 5, is equipped with spring 61 in hollow plunger, on eccentric cycloid pentacle weel
Open up the eccentric mounting hole A42 and mounting hole B43 that a circle is located on the outside of pentacle weel groove, the number of eccentric mounting hole A and mounting hole B
Amount is 3, is uniformly distributed along circle, 3 eccentric mounting hole A and 3 mounting hole B are uniformly distributed in 120 °, in eccentric mounting hole A
Needle roller bearing without inner ring is installed；
Output system 9 includes output shaft 91, crank shaft stool A92 and crank shaft stool B93, and 91 one end of output shaft is fixed on
On crank shaft stool A, the other end is screwed onto across mounting hole B on crank shaft stool B, and crank shaft stool A and crank shaft stool B are logical
It crosses bearing 94 to be connected to inside shell 3, bearing 94 is angular contact bearing；
Crank axle 8 is inserted into eccentric mounting hole A, and both ends are screwed onto crank shaft stool A and crank shaft stool B respectively
On；
Eccentric cycloid pentacle weel 4 is engaged by poor gear with shell 3；
2 one end of valve plate is inlaid in casting and leads in oil body, and the oilhole opened up thereon leads to the oil inlet opened up on oil body 1 with casting
Mouthfuls 11 or oil outlet 12 be connected to, the valve plate other end passes through the central through hole 921 of crank shaft stool A, by off-centre operation pin 7 with
Eccentric cycloid pentacle weel 4 is fixedly connected and is bonded with 1 surface of cylinder body；
Cylinder body 5 is equipped with threaded hole 51, casts logical oil body 1 and is fixedly connected by bolt A13 with cylinder body 5.
The cycloid gear quantity of 4 outer ring of eccentric cycloid pentacle weel is 39, and enclosure gear ring quantity is 40, the two difference tooth fortune
It is dynamic.
The rear portion of cycloid pentacle weel is equipped with eccentric holding device.
The present invention operation principle be：The oil inlet that high pressure oil leads to oil body by casting is flowed by the oilhole on valve plate
It into cylinder body, and then flows into hollow plunger and does work to eccentric cycloid pentacle weel, it is inclined that eccentric cycloid pentacle weel drives crank axle to carry out
The heart moves.Crankshaft rotation one is enclosed, and eccentric cycloid pentacle weel will rotate a tooth along the opposite direction of crank axle, complete to subtract
Speed and output torque.Valve plate is fixedly connected by off-centre operation pin with eccentric cycloid pentacle weel, the public affairs of eccentric cycloid pentacle weel
Turn with 1:1 speed ratio is transferred to valve plate, its synchronous rotary is made to carry out flow.
Hollow plunger keeps static balance with the big enable of eccentric cycloid pentacle weel, therefore can bear high pressure, and piston effect is main
It is to be pushed by oil pressure, reduces many friction pairs, and high pressure can be born.
Embodiment 2
Difference from example 1 is that：The logical oil body of casting is fixed by bolt and shell, output system rotation.
Shell leads to oil body with casting and connect, and cylinder body is connect with output system, and 1:1 transmits cycloid pentacle weel rotation vector, with
Eliminate the flow angular deviation caused by due to cycloid pentacle weel has reversed autobiography again simultaneously around the revolution of needle cycle axle center.
Embodiment 3
With embodiment 1 or 2 the difference is that：Eccentric cycloid pentacle weel is 2, and the two phase difference is 180 ° and is connected to song
Arbor, one reserve eccentric slot.One in the two eccentric cycloid pentacle weels pentacle weel groove opened up above is more than another
Pentacle weel groove on a, the cylinder body for thus not interfering it internal.
Embodiment 4
With embodiment 1 or 2 the difference is that：Cylinder body is 2, and the two is placed side by side, and valve plate is radial valve plate, is matched
The oil duct inclined hole of flow table intersects two distributing grooves of perforation, and valve plate is inserted into the hole of cylinder interior.
Embodiment described above only expresses one or more embodiments of the present invention, and description is more specific and detailed
Carefully, but it cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the common skill of this field
For art personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to this hair
Bright protection domain.
Claims (7)
1. a kind of hydraulic motor arrangement, which is characterized in that the device include casting lead to oil body (1), valve plate (2), shell (3),
Eccentric cycloid pentacle weel (4), cylinder body (5), hollow plunger (6), crank axle (8) and output system (9)；
Eccentric cycloid pentacle weel outer ring is cycloid gear, and center opens up pentacle weel groove (41), installed in pentacle weel groove
Cylinder body is arranged 5 hollow plungers along the periphery of cylinder body, spring (61) is equipped in hollow plunger, is opened up on eccentric cycloid pentacle weel
One circle is located at eccentric mounting hole A (42) and mounting hole B (43) on the outside of pentacle weel groove；
Output system includes that output shaft (91), crank shaft stool A (92) and crank shaft stool B (93), output shaft one end are fixed on
On crank shaft stool A, the other end is screwed onto across mounting hole B on crank shaft stool B, and crank shaft stool A and crank shaft stool B are logical
Cross bearing (94) connection inside the housing；
Crank axle is inserted into eccentric mounting hole A, and both ends are screwed onto respectively on crank shaft stool A and crank shaft stool B；
Eccentric cycloid pentacle weel is engaged by poor gear with shell；
Valve plate one end is inlaid in casting and leads in oil body, and the oilhole opened up thereon leads to the oil inlet (11) opened up on oil body with casting
Or oil outlet (12) connection, the valve plate other end pass through the central through hole (921) of crank shaft stool A, pass through off-centre operation pin (7)
It is fixedly connected with eccentric cycloid pentacle weel and is bonded with cylinder surface；
Casting leads to oil body and is fixedly connected by bolt A (13) with cylinder body or is fixedly connected by bolt B (14) with shell.
2. hydraulic motor arrangement according to claim 1, which is characterized in that the quantity of eccentric mounting hole A and mounting hole B are equal
It is 3, is uniformly distributed along circle, 3 eccentric mounting hole A and 3 mounting hole B are uniformly distributed in 120 °.
3. hydraulic motor arrangement according to claim 1, which is characterized in that the cycloid gear of eccentric cycloid pentacle weel outer ring
Quantity is 39, and enclosure gear ring quantity is 40, the movement of the two difference tooth.
4. hydraulic motor arrangement according to claim 1, which is characterized in that eccentric cycloid pentacle weel is 2, the two phase
Difference is connected to crank axle for 180 °, and one reserves eccentric slot.
5. hydraulic motor arrangement according to claim 1, which is characterized in that cylinder body is 2, and the two is placed side by side, flow
Disk is radial valve plate.
6. hydraulic motor arrangement according to claim 1, which is characterized in that cycloid pentacle weel holds out against dress equipped with bias
It sets.
7. hydraulic motor arrangement according to claim 1, which is characterized in that be equipped with no inner ring rolling in eccentric mounting hole A
Needle bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013304.5A CN106762384B (en) | 2017-01-09 | 2017-01-09 | Hydraulic motor arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013304.5A CN106762384B (en) | 2017-01-09 | 2017-01-09 | Hydraulic motor arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762384A CN106762384A (en) | 2017-05-31 |
| CN106762384B true CN106762384B (en) | 2018-09-25 |
Family
ID=58950412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710013304.5A Expired - Fee Related CN106762384B (en) | 2017-01-09 | 2017-01-09 | Hydraulic motor arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762384B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4235710A1 (en) * | 1992-10-22 | 1994-04-28 | Linde Ag | Hydromechanical dredger drive unit - has slow radial piston motor with rotating housing, and fast axial piston motor |
| CN1687565A (en) * | 2005-05-31 | 2005-10-26 | 深圳清华大学研究院 | Planet cylinder type plunger pump or motor |
| CN103615353B (en) * | 2013-12-13 | 2016-01-13 | 宁波欧易液压有限公司 | Plunger tilt cylinder oil hydraulic motor |
| CN203584702U (en) * | 2013-12-16 | 2014-05-07 | 宁波赛维思机械有限公司 | Radial piston pump |
| CN206397648U (en) * | 2017-01-09 | 2017-08-11 | 宁波市镇海品诺液压件有限公司 | Hydraulic motor arrangement |
-
2017
- 2017-01-09 CN CN201710013304.5A patent/CN106762384B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762384A (en) | 2017-05-31 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20190109 |