CN2049696U - Hole-pin type planet cycloidal hydraulic motor - Google Patents
Hole-pin type planet cycloidal hydraulic motor Download PDFInfo
- Publication number
- CN2049696U CN2049696U CN 89201469 CN89201469U CN2049696U CN 2049696 U CN2049696 U CN 2049696U CN 89201469 CN89201469 CN 89201469 CN 89201469 U CN89201469 U CN 89201469U CN 2049696 U CN2049696 U CN 2049696U
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- hole
- hydraulic motor
- pin
- pin type
- thrust plate
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Abstract
The utility model designs a hole-pin type output mechanism for replacing the spherical geared type shaft coupling of the current planet cycloidal hydraulic motor, and at the same time three disks of a distributing disk are combined into a disk or two disks. The utility model has the advantages of simple structure, easy manufacturing and high precision, improving pocketed oil, reducing noise, as a result of enhancing mechanical efficiency and volume efficiency. The overall efficiency of the hole-pin type planet cycloidal hydraulic motor can reach the left and right of 0.92 and improve 12% than the original motor, and at the same time using the hole-pin type structure can also design a cycloidal hydraulic motor of 40-100KW.
Description
The utility model belongs to the variable capacity motor of liquid driven, and the planet cycloid oil hydraulic motor is used widely owing to the little advantage of its volume simple in structure.The designed cycloid hydraulic motor of American Cha Lin (Char-Cynn) has obtained U. S. Patent and has been produced in batches by red FOX (Danfss) factory of U.S. Cha Lin factory and Denmark in 1958, China has also introduced oil hydraulic motor of the same type in recent years, the BM type oil hydraulic motor of being produced as Shanghai aircraft manufacturing company and Nanjing hydraulic parts three factories (Fig. 1).Because the energy transfer mechanism of this motor is planet cycloid gear (9 among Fig. 1,12) rotate, its output mechanism is that the twin drum generating gear coupling of swing is (among Fig. 11,2) valve plate distribution mechanism is by thrust plate 4 and 6 combinations of auxiliary ligand flow table 3 compensating discs, the sphere tooth top (or chamfering) that the gear coupling of this oil hydraulic motor adopts, drum-shaped tooth comes the eccentric space swing of compensate coupling with bigger back lash when transmission, cause the flow precision not high, produce entrap phenomenon, reduced mechanical efficiency, increased noise, be 0.819 for example to Bm-E630 type oil hydraulic motor actual measurement total efficiency, mechanical efficiency is 0.88, and the similar hydraulic motor with inner curved piston of performance such as the B of the Soviet Union
Total efficiency can reach 0.86～0.94, and mechanical efficiency can reach 0.92～0.98, in addition, the oil hydraulic motor of coupling transmission energy, its coupling is in hollow shaft, not only intensity is restricted, and its structure is unreasonable, thereby is difficult to design than the large-power hydraulic motor.
At the problems referred to above, the purpose of this utility model is: 1, improve the mechanical efficiency of oil hydraulic motor, volumetric efficiency and total efficiency; That 2, improves oil hydraulic motor joins the olein degree; 3, design is than the large-power hydraulic motor.
The utility model is realized as follows: as shown in Figure 2, by rotor 1, the planet cycloid oil hydraulic motor that stator 2 is formed is characterized in that output mechanism by hole pin dish 3, bearing pin 5, and guide 6 is formed the hole-pin output mechanism; By bearing pin 10, guide 11, spring 9 is formed the hole-pin flow-distribution mechanism again.When rotor 1 and stator 2 gears were meshing with each other, rotor high-speed rotated a circle, and tooth of low speed rotation has again formed Z in rotor and stator engagement simultaneously
2The sealed volume of (the stator number of teeth) individual variation, and be divided into hyperbaric chamber and oil-discharging cavity, by thrust plate 7 and compensation thrust plate 8, hyperbaric chamber is rotated continuously, thereby make pressure oil promote rotor and do revolution and rotation, rotor passes to output shaft 4 to the spinning motion of rotor by the rotation that hole pin dish 3, bearing pin 5, guide 6 cooperatively interact.
In order to reduce flow part in addition, the present invention is combined into one with thrust plate and compensation thrust plate, and the flow fenestra of thrust plate makes the kidney slot form into by original porous flow, has reduced by a flow face, has improved volumetric efficiency and mechanical efficiency.
The present invention compares with prior art, and its advantage is:
1, the mechanical efficiency of hole-pin output mechanism has improved about 10% than the mechanical efficiency of original gear coupling, generally 0.99～0.995.
2, reduced leakage face because of flow-distribution mechanism is combined into two (or three disc types are combined into one) by three original disc types, its volumetric efficiency brings up to 0.95 by original 0.93, and the total efficiency of its motor also brings up to 0.92 by original 0.819.
3, pin is very little between the hole-pin transmission, has improved and has joined the olein degree, reduces pocketed oil, has reduced noise.If adopt the principle of this mechanism, can make the oil hydraulic motor of 40～100KW, can also reduce 40 millimeters of axial dimensions simultaneously.
4, the hole-pin structure has the efficient height, and processing is simple, compact structure, the advantage that cost is low.
With regard to accompanying drawing content of the present utility model is described further below:
Accompanying drawing 1 is a Bm type oil hydraulic motor
Accompanying drawing 2 is first an embodiment's of the present utility model structural representation.
Accompanying drawing 3 is first an embodiment's of the present utility model plan view
Accompanying drawing 4 is first embodiment's left view of the present utility model
Accompanying drawing 5 is first an embodiment's of the present utility model cycloidal gear transmission sectional drawing
Accompanying drawing 6 is first an embodiment's of the present utility model hole keying composition
Accompanying drawing 7 is first an embodiment's of the present utility model thrust plate schematic representation
Accompanying drawing 8 is second an embodiment's of the present utility model structural representation
Accompanying drawing 9 is the 3rd an embodiment's of the present utility model structural representation
Referring to accompanying drawing 1: this is the BM type oil hydraulic motor that a kind of Nanjing hydraulic parts three factories produce, 1-output shaft, 2-spline coupling, 3-auxiliary ligand flow table, 4-thrust plate, 5-rear case, the 6-compensator, the short splined shaft of 7-, 8-spring, 9-rotor, the 10-front side plate, the 11-roller, 12-rotor (small gear), the mechanical efficiency of this motor is low, noise is big.
Referring to accompanying drawing 2-accompanying drawing 7: rotor (cycloidal gear) 1 and stator 2 are meshed, and this engagement is the planetary reduction gear transmission, rotor one week of 1 high speed rotating, tooth of low speed rotation again simultaneously.Formed Z in rotor and the stator engagement
2The sealed volume of (the stator number of teeth) individual variation, and sealed volume is divided into hyperbaric chamber and oil-discharging cavity.Hyperbaric chamber is by the effect of thrust plate 7 and compensation thrust plate 8, make hyperbaric chamber rotation continuously constantly, thereby make pressure oil promote rotor and do revolution and rotation, rotor by the rotation that cooperatively interacts of hole pin dish 3, bearing pin 5 and guide 6, passes to output shaft to the spinning motion of rotor again.When the motor initial start, separate for guaranteeing high and low chamber, 9 pairs of flows of spring are folded pressuring action, along with the foundation of pressure, mainly lean on the pressure of high pressure oil self to compress to the impacting force of thrust plate, and spring 9 only plays aux. pressure at this moment.With the increase of pressure, the tight more assurance sealing effect that thrust plate is pressed, efficient improves.
Accompanying drawing 8 is second embodiment, and it is that thrust plate and auxiliary ligand flow table are united two into one.
Accompanying drawing 9 is the 3rd embodiment, and it is the structural drawing with thrust plate, auxiliary ligand flow table, the three dish unifications of compensation thrust plate.
Claims (3)
1, the planet cycloid oil hydraulic motor a kind of by rotor 1, that stator 2 is formed is characterized in that its output mechanism by hole pin dish 3, bearing pin 5, and guide 6 is formed the hole-pin output mechanism again by bearing pin 10, guide 11, spring 9 is formed the hole-pin flow-distribution mechanism.
2, motor according to claim 1 is characterized in that thrust plate 7 compensation thrust plates 8, and auxiliary ligand flow table 12 can independently exist, and also can be combined into 1 or 2 thrust plate by three dishes.
3, motor according to claim 1, the flow fenestra that it is characterized in that thrust plate is the kidney slot form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89201469 CN2049696U (en) | 1989-02-03 | 1989-02-03 | Hole-pin type planet cycloidal hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89201469 CN2049696U (en) | 1989-02-03 | 1989-02-03 | Hole-pin type planet cycloidal hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2049696U true CN2049696U (en) | 1989-12-20 |
Family
ID=4859366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89201469 Withdrawn CN2049696U (en) | 1989-02-03 | 1989-02-03 | Hole-pin type planet cycloidal hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2049696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613041A (en) * | 2014-11-28 | 2015-05-13 | 宁波中意液压马达有限公司 | Variable cycloid hydraulic motor |
-
1989
- 1989-02-03 CN CN 89201469 patent/CN2049696U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613041A (en) * | 2014-11-28 | 2015-05-13 | 宁波中意液压马达有限公司 | Variable cycloid hydraulic motor |
| CN104613041B (en) * | 2014-11-28 | 2017-02-22 | 宁波中意液压马达有限公司 | Variable cycloid hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |