CN102418657A - Axle flow-distribution cycloid hydraulic motor for rear shaft output - Google Patents
Axle flow-distribution cycloid hydraulic motor for rear shaft output Download PDFInfo
- Publication number
- CN102418657A CN102418657A CN2011104445123A CN201110444512A CN102418657A CN 102418657 A CN102418657 A CN 102418657A CN 2011104445123 A CN2011104445123 A CN 2011104445123A CN 201110444512 A CN201110444512 A CN 201110444512A CN 102418657 A CN102418657 A CN 102418657A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- axle
- hydraulic motor
- rear axle
- cycloid hydraulic
- 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
Links
Images
Abstract
The invention relates to an axle flow-distribution cycloid hydraulic motor for rear shaft output, and belongs to the technical field of hydraulic transmission. The cycloid hydraulic motor comprises a shell and a stator, wherein the rear end of the shell is fixedly connected with the front end of the stator; an output shaft extending out of the front end of the shell is supported in the shell; a rotor is arranged in the stator; the rotor and the stator form a cycloid pin wheel pair; the output shaft and the shell form an axle flow-distribution mechanism; the cycloid hydraulic motor also comprises a rear cover, a rear shaft and a coupler; the rear cover is used for supporting the rear shaft output at the rear end of the rear cover; a protruding small shaft is arranged at an output end of the rear shaft; and the small shaft is connected with auxiliary transmission by means of a milling structure. By the axle flow-distribution cycloid hydraulic motor, accurate output synchronous with auxiliary motion of the output shaft can be realized, the requirement on specific motion output is met, and the function of the motor is added, so that the cost performance of products is improved.
Description
Technical field
The present invention relates to a kind ofly realize that through cycloidal engagement pair hydraulic pressure can be to the cycloid hydraulic motor of mechanical energy conversion, especially a kind of axle distributing cycloid hydraulic motor through the rear axle output speed belongs to hydraulic transmission technology field.
Background technique
Cycloid hydraulic motor is a fluid pressure drive device commonly used, also is to realize that hydraulic pressure can convert the hydraulic pressure execution device commonly used of function to.Cycloid hydraulic motor has advantages such as volume is little, specific power density is big, efficient is high, speed range is wide, thereby has obtained extensive use.
The basic structure of this type of device is to be shaped on liquid entering hole and refluxing opening on body shell or the bonnet; One end is equipped with cycloidal pinion engaged pair and flow-distribution mechanism; Flow-distribution mechanism can be placed on before or after the cycloidal engagement pair; Being axle valve flow in preceding (body shell one side) generally, is the plane flow in back (bonnet one side), and the other end is equipped with output shaft.The rotor of cycloidal engagement pair is through the external gear engagement of internal spline and couple axle one end, and the other end of couple axle is connected with the output shaft transmission.During work, flow-distribution mechanism makes liquid entering hole be communicated with the expansion engagement chamber of cycloidal engagement pair, and the secondary contraction chamber of cycloidal-pin wheel is communicated with refluxing opening.As a result, after pressured fluid gets into body shell or bonnet from liquid entering hole, get into the expansion engagement chamber that cycloidal engagement pair forms, its volume is constantly enlarged, liquid then refluxes from refluxing opening in the contraction engagement chamber that the while cycloidal engagement pair forms; In this process, the rotor of cycloidal engagement pair is expanded the engagement chamber and orders about rotation with the pressure difference of shrinking the engagement chamber, and this rotation is delivered to output shaft output through couple axle, thereby realizes that hydraulic pressure can be to the conversion of mechanical energy.Meanwhile, also by the couple axle driven rotary, the continuous switching connected state that goes round and begins again makes transfer process be able to continue to flow-distribution mechanism (axle valve).
Existing axle distributing cycloid hydraulic motor is the single shaft output form; Only be that output torque is main; And for needs one additional little moment of torsion synchronous drive; Perhaps the precise speed of cycloid hydraulic motor generally can not in time be fed back, and existing technology can't satisfy as far as possible little place, space and effectively export.
Summary of the invention
The objective of the invention is to: on the basis of above-mentioned existing technology,, propose a kind of rear axle output shaft distributing cycloid hydraulic motor through architecture advances.Thereby with compact structure, realize bi-directional synchronization motion output, the demand of the high precision velocity output of motion.
In order to reach above purpose, rear axle output shaft distributing cycloid hydraulic motor of the present invention comprises body shell and stator, and the front end of said body shell rear end and stator is connected each other; Be supported with the output shaft that stretches out from its front end in the said body shell; Be equipped with in the said stator and constitute the secondary rotor of cycloidal-pin wheel with it, a formation axle flow-distribution mechanism between said output shaft and the body shell, the internal spline at said output shaft middle part and the external tooth engagement of couple axle front end; The leading portion of internal spline engagement in the external tooth of said couple axle rear end and the rotor; Its improvements are: also comprise bonnet, rear axle and coupling, the rear end and the bonnet of said stator are connected, and said bonnet supports the rear axle of its rear end output; The external tooth of the back segment of internal spline and coupling front end engagement in the said rotor, the external tooth of said coupling rear end and the engagement of the internal spline of rear axle.
The present invention is further improved to be, the output terminal of said rear axle has outstanding little axle, and the last employing of said little axle is milled flat structure and is connected with helper drive, and said helper drive mainly is motion state or the rotating speed that accurately measures output shaft.
Further perfect of the present invention be, said rear axle adopts radial needle bearing to be supported in the bonnet, and said needle bearing is arranged side by side for former and later two.
Be understood that, behind employing the present invention, can realize and output shaft auxiliomotor accurate output synchronously, satisfy the demand of special exercise output, increase the function of motor, thereby improved cost performance of product.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 is the structural representation of one embodiment of the invention.
Contain protecgulum 1 among the figure, screw 2, end ring 3,14, one-way valve 4, body shell 5, preceding dividing plate 6; Stator 7, rotor 8, rear bulkhead 9, bonnet 10, radial needle bearing 11; Rear axle 12, rotary shaft sealing 13, cod 15,19,21, bolt 16, coupling 17; Seal ring 18,22, couple axle 20, axle envelope 23, dust ring 24, output shaft 25.
Embodiment
The rear axle output shaft distributing cycloid hydraulic motor of present embodiment is as shown in Figure 1, and the rear end of body shell 5 is connected through the front end of preceding dividing plate 6 with stator 7 each other, is supported with the output shaft 25 that from the protecgulum 1 of its front end, stretches out in the body shell 5.Be equipped with in the stator 7 and constitute the secondary rotor 8 of cycloidal-pin wheel with it.Runner between output shaft 25 and the body shell 5 forms the axle flow-distribution mechanism.The external tooth engagement of the internal spline at output shaft 25 middle parts and couple axle 20 front ends, the leading portion of internal spline engagement in the external tooth of these couple axle 20 rear ends and the rotor 8.Comprise bonnet 10, rear axle 12 and coupling 17 in addition.The rear end of stator 7 is connected by fastening piece and bonnet 10 through rear bulkhead 9, the rear axle 12 of this bonnet 10 support its rear end output.The external tooth of the back segment of internal spline and coupling 17 front ends engagement in the rotor 8, the external tooth of coupling 17 rear ends and the engagement of the internal spline of rear axle 12.
The output terminal of said rear axle 12 has outstanding little axle, and little axle is gone up to adopt to mill and flatly is connected with helper drive, and described helper drive mainly is motion state or the rotating speed that accurately measures output shaft 25.
Rear axle 12 is positioned at bonnet 10, and described bonnet 10 has installation seam and a plurality of fastening screw trip bolts hole that helper drive connects, and described rear axle 12 adopts radial needle bearing 11 to be supported in the bonnet 10, and radial needle bearing adopts former and later two to be arranged side by side.Rear axle 12 is connected with rotor 8 through coupling 17; The eccentric cycloid motion of rotor 8 is the motion of rear axle 12 through the conversion of motion of coupling 17, and the drive movement of the motion of rear axle 12 and output shaft 25 converts the eccentric cycloid motion of rotor 8 into through coupling 17 and couple axle 20 and is synchronized with the movement.Radial needle bearing 11 has reduced the radial dimension of bonnet 10 with the complete application of cod 15, and has improved rear axle 12 stress-bearing capability, helps the stability of rear axle 12.
Described bonnet 10 supports with axial end ring 14, the cod 15 of having adopted of rear axle 12, has further adopted between 13 pairs of bonnets 10 of rotary shaft sealing and the rear axle 12 to seal.
The compact structure that present embodiment is whole can bear big radial force in order to make output shaft 25, and radial needle bearing supported before and after output shaft 25 adopted.
The body shell 5 of present embodiment is provided with two one-way valves 4; Said two one-way valves 4 communicate with filler opening or oil outlet respectively; And be communicated with the drainback passage of internal cavity, said two one-way valves 4 are made up of elastomer, valve ball, valve body, seal ring, and interior engagement cycloidal pinion engaged pair is under the driving of high low pressure hydraulic oil; Have a spot of oil liquid leakage and get into cavity, and then get back in system's fuel tank through one-way valve.
Facts have proved that the rear axle output shaft distributing cycloid hydraulic motor of present embodiment is of compact construction, reliability is high; Can bear big radial force; Realize auxiliomotor accurate output synchronously, satisfy the demand of special exercise output, thereby improved cost performance of product.
Except that the foregoing description, the present invention can also have other mode of executions, changes the stator auxiliary structure as adopting the edge pillar.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. a rear axle output shaft distributing cycloid hydraulic motor comprises body shell and stator, and the front end of said body shell rear end and stator is connected each other; Be supported with the output shaft that stretches out from its front end in the said body shell; Be equipped with in the said stator and constitute the secondary rotor of cycloidal-pin wheel with it, a formation axle flow-distribution mechanism between said output shaft and the body shell, the internal spline at said output shaft middle part and the external tooth engagement of couple axle front end; The leading portion of internal spline engagement in the external tooth of said couple axle rear end and the rotor; It is characterized in that: also comprise bonnet, rear axle and coupling, the rear end and the bonnet of said stator are connected, and said bonnet supports the rear axle of its rear end output; The external tooth of the back segment of internal spline and coupling front end engagement in the said rotor, the external tooth of said coupling rear end and the engagement of the internal spline of rear axle.
2. rear axle output shaft distributing cycloid hydraulic motor according to claim 1 is characterized in that: the output terminal of said rear axle has outstanding little axle.
3. rear axle output shaft distributing cycloid hydraulic motor according to claim 2 is characterized in that: the last employing of said little axle is milled flat structure and is connected with helper drive.
4. rear axle output shaft distributing cycloid hydraulic motor according to claim 3 is characterized in that: said helper drive mainly is motion state or the rotating speed that accurately measures output shaft.
5. rear axle output shaft distributing cycloid hydraulic motor according to claim 4 is characterized in that: said rear axle adopts radial needle bearing to be supported in the bonnet, and said needle bearing is arranged side by side for former and later two.
6. rear axle output shaft distributing cycloid hydraulic motor according to claim 5 is characterized in that: said bonnet has installation seam and a plurality of fastening screw trip bolts hole that helper drive connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104445123A CN102418657A (en) | 2011-12-27 | 2011-12-27 | Axle flow-distribution cycloid hydraulic motor for rear shaft output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104445123A CN102418657A (en) | 2011-12-27 | 2011-12-27 | Axle flow-distribution cycloid hydraulic motor for rear shaft output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102418657A true CN102418657A (en) | 2012-04-18 |
Family
ID=45943243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104445123A Pending CN102418657A (en) | 2011-12-27 | 2011-12-27 | Axle flow-distribution cycloid hydraulic motor for rear shaft output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418657A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3327772A1 (en) * | 1983-08-02 | 1985-02-14 | Rudolf 8000 München Braren | Positive displacement machine, in particular epicyclic gear with integrated hydraulic motor |
| CN200996353Y (en) * | 2007-01-16 | 2007-12-26 | 镇江大力液压马达有限责任公司 | High-pressure cycloidal hydraulic motor with large torsional moment |
| CN201121555Y (en) * | 2007-11-26 | 2008-09-24 | 镇江大力液压马达有限责任公司 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
| CN202370742U (en) * | 2011-12-27 | 2012-08-08 | 镇江大力液压马达有限责任公司 | Back-shaft output shaft flow distribution cycloidal hydraulic motor |
-
2011
- 2011-12-27 CN CN2011104445123A patent/CN102418657A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3327772A1 (en) * | 1983-08-02 | 1985-02-14 | Rudolf 8000 München Braren | Positive displacement machine, in particular epicyclic gear with integrated hydraulic motor |
| CN200996353Y (en) * | 2007-01-16 | 2007-12-26 | 镇江大力液压马达有限责任公司 | High-pressure cycloidal hydraulic motor with large torsional moment |
| CN201121555Y (en) * | 2007-11-26 | 2008-09-24 | 镇江大力液压马达有限责任公司 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
| CN202370742U (en) * | 2011-12-27 | 2012-08-08 | 镇江大力液压马达有限责任公司 | Back-shaft output shaft flow distribution cycloidal hydraulic motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201121555Y (en) | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor | |
| CN104379934A (en) | Gear pump or hydraulic gear motor with helical toothing provided with hydraulic system for axial thrust balance | |
| CN105020296B (en) | The wet-type dual-clutch mechanism of mechanical pressing friction piece | |
| CN202370742U (en) | Back-shaft output shaft flow distribution cycloidal hydraulic motor | |
| CN202381250U (en) | Rear shaft output plane valving cycloidal hydraulic motor | |
| CN101144525A (en) | Compact hydraulic motor gear reducer | |
| EP2732160B1 (en) | Self adjustable continuously variable power transmission system with a real time variable flow pump. | |
| CN103696907B (en) | Brevicone axon is to compact high-speed distributing cycloid hydraulic motor | |
| CN202381249U (en) | Multi-drainage runner and oil port cycloid hydraulic motor | |
| CN107339192A (en) | A kind of big radial load support shaft distributing cycloid hydraulic motor | |
| CN102828895B (en) | Radial support axle valve flow distribution cycloid hydraulic motor | |
| CN201137549Y (en) | Valve spindle cycloid hydraulic motor | |
| CN102418657A (en) | Axle flow-distribution cycloid hydraulic motor for rear shaft output | |
| CN102434383A (en) | Rear shaft output plane valve cycloid hydraulic motor | |
| CN200996442Y (en) | Conjugated double-outlet reversed gearbox | |
| CN102562475A (en) | Wind generating set and hydraulic motor thereof | |
| CN113775724B (en) | Enhanced hydraulic retarder for commercial vehicle | |
| CN105673315A (en) | Integral flange axial flow allocation cycloid hydraulic motor | |
| CN203685462U (en) | High-speed flow distribution cycloid hydraulic motor | |
| CN201090367Y (en) | Assembled rotor and stator cycloid hydraulic motor | |
| CN204828338U (en) | A betweencenters connection structure for big moment of torsion transmission | |
| CN100455825C (en) | High-speed distributing cycloid hydraulic motor | |
| CN209892441U (en) | Bidirectional gear oil pump | |
| CN207297226U (en) | A kind of big radial load support shaft distributing cycloid hydraulic motor | |
| CN205876595U (en) | Superminiature cycloid hydraulic motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 212127 Zhenjiang province Jiangsu city Dantu District Valley Township Street No. 280 Applicant after: ZHENJIANG DALI HYDRAULIC MOTOR CO., LTD. Address before: 212127 Zhenjiang province Jiangsu city Dantu District Valley Township Street No. 280 Applicant before: Zhenjiang Dali Hydraulic Component Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZHENJIANG DALI HYDRAULIC COMPONENT CO., LTD. TO: ZHENJIANG DALI HYDRAULICMOTOR CO., LTD. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |