CN201121555Y - Dual-spindle output shaft valve flow distribution cycloid hydraulic motor - Google Patents
Dual-spindle output shaft valve flow distribution cycloid hydraulic motor Download PDFInfo
- Publication number
- CN201121555Y CN201121555Y CNU2007200418249U CN200720041824U CN201121555Y CN 201121555 Y CN201121555 Y CN 201121555Y CN U2007200418249 U CNU2007200418249 U CN U2007200418249U CN 200720041824 U CN200720041824 U CN 200720041824U CN 201121555 Y CN201121555 Y CN 201121555Y
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- output shaft
- hydraulic motor
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- stator
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Abstract
The utility model relates to a double-shaft output shaft valve admission cycloid oil hydraulic motor which belongs to the technical field of hydraulic transmission. The motor comprises a shell and a stator, the rear end of the shell is fixedly connected with the front end of the stator, the shell is supported with an output shaft extending out of the front end of the shell, the stator is provided with a rotor which forms a cycloid needle wheel pair with the stator, a shaft admission mechanism is formed between the output shaft and the shell, an inner spline in the middle part of the output shaft is meshed with outer teeth at the front end of a universal driving shaft, the outer teeth at the rear end of the universal driving shaft are meshed with the front end of the inner spline in the rotor; the oil hydraulic motor also comprises a rear shell, a rear output shaft and a rear universal driving shaft, wherein, the rear end of the stator is fixedly connected with the rear shell, the rear shell supports the rear output shaft outputted by the rear end of the rear shell, the rear section of the inner spline in the rotor is meshed with the outer teeth at the front end of the rear universal driving shaft, the outer teeth at the rear end of the rear universal driving shaft is meshed with the inner spline of the rear output shaft. The oil hydraulic motor realizes two-way movement output, has very compact structure, can meet the installation requirement of narrow space, and enlarges the range of application of the hydraulic motor.
Description
Technical field
The utility model relates to a kind ofly realizes that by cycloidal engagement pair hydraulic pressure can be to the cycloid hydraulic motor of mechanical energy conversion, especially a kind of by twin shaft outputting power cycloid hydraulic motor, 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, be axle valve flow generally in preceding (body shell one side), in back (bonnet one side) is the plane flow, and the other end is equipped with output shaft.The rotor of cycloidal engagement pair is by 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 contraction chamber of cycloidal-pin wheel pair is communicated with refluxing opening.As a result, after pressured fluid enters body shell or bonnet from liquid entering hole, enter 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 of cycloidal engagement pair formation simultaneously; 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 by 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 is continued transfer process to flow-distribution mechanism (axle valve).
The cycloid hydraulic motor of existing axle valve flow is the single shaft output form, and along with the raising of motor pressure-bearing grade, whole direction towards compact structure develops, wherein again with 6,7 toothings (for example BMP of Zhenjiang hydraulic parts Co., Ltd., Factory, BMR type etc.) in the majority.Retrieval finds that the patent No. is that the Chinese patent of CN200320110783.6 discloses a kind of improved oil hydraulic motor, adopts 8,9 tooth cycloid auxiliary structures, helps reducing velocity error.But its overall structure is bigger, and the flow valve pocket is connected with output shaft by the finger setting that radially is provided with realizes that not only structure is not compact, and length is longer, is unsuitable for the narrow and small occasion in spatial position.
Occasion for two different direction motions of needs output adopts above prior art, or needs two oil hydraulic motors of configuration, or the commutation driving mechanism need be set, and all need occupy than large space.Therefore, prior art can't satisfy the demand of two different direction motions of the narrow and small occasion needs in space output.
The model utility content
The purpose of this utility model is: on the basis of above-mentioned prior art, by architecture advances, propose a kind of twin shaft output shaft valve distributing cycloid hydraulic motor.Thereby with compact structure, realize two-way power output, satisfy the demand of small space different direction motion output.
In order to reach above purpose, twin shaft output shaft valve distributing cycloid hydraulic motor of the present utility model comprises body shell and stator, the front end of described body shell rear end and stator is connected mutually, be supported with the output shaft that stretches out from its front end in the described body shell, the rotor that constitutes the cycloidal-pin wheel pair with it is housed in the described stator, constitute the axle flow-distribution mechanism between described output shaft and the body shell, the internal spline at described 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 described couple axle rear end and the rotor, its improvements are: also comprise back body shell, rear output shaft and back couple axle, the rear end of described stator is connected with back body shell, support rear output shaft in the body shell of described back by its rear end output, the back segment of internal spline meshes with the external tooth of back couple axle front end in the described rotor, the external tooth of couple axle rear end, described back and the internal spline engagement of rear output shaft.
Like this, the rotation of the secondary rotor of cycloidal-pin wheel can be rotated by contemporary moving forward and backward output shaft, thereby exports opposite motion.Because the utility model utilizes a cover hydraulic-machinery energy converter structure to realize bidirectional-movement output, so structure is very compact, can satisfy the arrangement demand of small space, has enlarged the application area of oil hydraulic motor.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is an embodiment's of the utility model a structural representation.
Contain protecgulum 1 among the figure, screw 2, end ring 3, one-way valve 4, body shell 5, preceding dividing plate 6, stator 7, rear bulkhead 8, rotor 9, double-screw bolt 10, back body shell 11, seal ring 12,18,23, hole back-up ring 13, bonnet 14, rear output shaft 15, bearing 16, nut 17, cod 19, radial bearing 20,22, couple axle 21, axle envelope 24, dust ring 25, output shaft 26.
Embodiment
The twin shaft output shaft valve distributing cycloid hydraulic motor of present embodiment as shown in Figure 1, the rear end of body shell 5 is connected mutually by the front end of preceding dividing plate 6 with stator 7, is supported with the output shaft 26 that stretches out from the protecgulum 1 of its front end in the body shell 1.The rotor 9 that constitutes the cycloidal-pin wheel pair with it is housed in the stator 7.Runner between output shaft 26 and the body shell 5 forms the axle flow-distribution mechanism.The external tooth engagement of the internal spline at output shaft 26 middle parts and couple axle 21 front ends, the leading portion of internal spline engagement in the external tooth of this couple axle rear end and the rotor 9.Comprise back body shell 11, rear output shaft 15 and back couple axle in addition.The rear end of stator 7 is connected by fastening piece and back body shell 11 by rear bulkhead 8, supports the rear output shaft 15 by its rear end output in this back body shell.The back segment of internal spline meshes with the external tooth of back couple axle front end in the rotor 9, the external tooth of back couple axle rear end and the engagement of the internal spline of rear output shaft 15.
In addition, present embodiment also has following structural feature:
1, in order to bear big radial force, the radial force needle bearing supported before and after output shaft 26 adopted.In order to adapt to part float amount motor rotor thickness small construction, the couple axle 21 of little displacement motor adopts the necking down structure.
2, rear output shaft 15 is supported by former and later two bearings 16 that are positioned at back body shell 11, front end at rear output shaft 15 is provided with axle envelope 24, dust ring 25, the internal spline position of rear output shaft 15 is between two spring bearings 16, the standoff distance of two spring bearings 16 is bigger, helps the stability of rear output shaft 15.The rear output shaft place does not have the flow function, and size is shorter, helps economical with materials.
3, the body shell 5 of present embodiment is provided with two one-way valves 4, communicate with filler opening or oil outlet respectively, and be communicated with the drainback passage of internal cavity, two one-way valves 4 are made up of elastomer, valve ball, valve body, seal ring, interior engagement cycloidal pinion engaged pair is under the driving of high low pressure hydraulic oil, have a spot of oil liquid leakage and enter cavity, can get back in system's fuel tank by one-way valve.
Facts have proved that the axle valve distributing cycloid hydraulic motor of present embodiment is of compact construction, the reliability height can bear big radial force, realizes two-way power output, satisfies the demand of small space different direction motion output, thereby has improved cost performance of product.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (7)
1, a kind of twin shaft output shaft valve distributing cycloid hydraulic motor, comprise body shell and stator, the front end of described body shell rear end and stator is connected mutually, be supported with the output shaft that stretches out from its front end in the described body shell, the rotor that constitutes the cycloidal-pin wheel pair with it is housed in the described stator, constitute the axle flow-distribution mechanism between described output shaft and the body shell, the internal spline at described 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 described couple axle rear end and the rotor, it is characterized in that: also comprise back body shell, rear output shaft and back couple axle, the rear end of described stator is connected with back body shell, support rear output shaft in the body shell of described back by its rear end output, the back segment of internal spline meshes with the external tooth of back couple axle front end in the described rotor, the external tooth of couple axle rear end, described back and the internal spline engagement of rear output shaft.
2, twin shaft output shaft valve distributing cycloid hydraulic motor according to claim 1 is characterized in that: the radial force needle bearing supported before and after described output shaft adopted.
3, twin shaft output shaft valve distributing cycloid hydraulic motor according to claim 2 is characterized in that: described couple axle adopts the necking down structure.
4, twin shaft output shaft valve distributing cycloid hydraulic motor according to claim 3 is characterized in that: described rear output shaft is supported by the front and back bearings that is positioned at back body shell.
5, twin shaft output shaft valve distributing cycloid hydraulic motor according to claim 4, it is characterized in that: the internal spline position of described rear output shaft is between two spring bearings.
6, twin shaft output shaft valve distributing cycloid hydraulic motor according to claim 5 is characterized in that: two one-way valves are set in the described body shell, communicate with filler opening or oil outlet respectively, and be communicated with the drainback passage of internal cavity.
7, twin shaft output shaft valve distributing cycloid hydraulic motor according to claim 6, it is characterized in that: described one-way valve is made up of elastomer, valve ball, valve body, seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200418249U CN201121555Y (en) | 2007-11-26 | 2007-11-26 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200418249U CN201121555Y (en) | 2007-11-26 | 2007-11-26 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201121555Y true CN201121555Y (en) | 2008-09-24 |
Family
ID=40008781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200418249U Expired - Fee Related CN201121555Y (en) | 2007-11-26 | 2007-11-26 | Dual-spindle output shaft valve flow distribution cycloid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201121555Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155448A (en) * | 2011-03-23 | 2011-08-17 | 镇江液压件厂有限责任公司 | Torque amplifying device |
| CN102418657A (en) * | 2011-12-27 | 2012-04-18 | 镇江大力液压马达有限责任公司 | Axle flow-distribution cycloid hydraulic motor for rear shaft output |
| CN102434383A (en) * | 2011-12-27 | 2012-05-02 | 镇江大力液压马达有限责任公司 | Rear shaft output plane valve cycloid hydraulic motor |
| CN102828895A (en) * | 2012-09-07 | 2012-12-19 | 镇江大力液压马达有限责任公司 | Radial supporting shaft-valve flow-distributing hydraulic orbit motor |
| WO2015074440A1 (en) * | 2013-11-20 | 2015-05-28 | 镇江大力液压马达股份有限公司 | Output shaft of cycloid hydraulic motor and shaft valve flow-distribution cycloid hydraulic motor |
| CN106704089A (en) * | 2016-12-23 | 2017-05-24 | 镇江大力液压马达股份有限公司 | Flow distribution cycloid hydraulic motor for axial flow valve |
| CN106762386A (en) * | 2017-01-17 | 2017-05-31 | 镇江大力液压马达股份有限公司 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
| CN106762387A (en) * | 2017-01-06 | 2017-05-31 | 镇江大力液压马达股份有限公司 | A kind of body shell positioning high-speed distributing cycloid hydraulic motor with protecgulum |
| CN106401864B (en) * | 2016-09-18 | 2018-07-10 | 李海荣 | A kind of shell turns cycloid hydraulic motor |
| CN110630431A (en) * | 2019-08-20 | 2019-12-31 | 江苏国瑞液压机械有限公司 | Shaft flow distribution hydraulic motor |
| CN111005867A (en) * | 2019-12-25 | 2020-04-14 | 潍柴动力股份有限公司 | Driving shaft connecting structure of pump and combined gear pump |
| CN114087119A (en) * | 2021-10-27 | 2022-02-25 | 赛克思液压科技股份有限公司 | Movement mechanism of oblique shaft type high-speed hydraulic motor |
-
2007
- 2007-11-26 CN CNU2007200418249U patent/CN201121555Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155448A (en) * | 2011-03-23 | 2011-08-17 | 镇江液压件厂有限责任公司 | Torque amplifying device |
| CN102418657A (en) * | 2011-12-27 | 2012-04-18 | 镇江大力液压马达有限责任公司 | Axle flow-distribution cycloid hydraulic motor for rear shaft output |
| CN102434383A (en) * | 2011-12-27 | 2012-05-02 | 镇江大力液压马达有限责任公司 | Rear shaft output plane valve cycloid hydraulic motor |
| CN102828895A (en) * | 2012-09-07 | 2012-12-19 | 镇江大力液压马达有限责任公司 | Radial supporting shaft-valve flow-distributing hydraulic orbit motor |
| WO2015074440A1 (en) * | 2013-11-20 | 2015-05-28 | 镇江大力液压马达股份有限公司 | Output shaft of cycloid hydraulic motor and shaft valve flow-distribution cycloid hydraulic motor |
| CN106401864B (en) * | 2016-09-18 | 2018-07-10 | 李海荣 | A kind of shell turns cycloid hydraulic motor |
| CN106704089A (en) * | 2016-12-23 | 2017-05-24 | 镇江大力液压马达股份有限公司 | Flow distribution cycloid hydraulic motor for axial flow valve |
| CN106762387A (en) * | 2017-01-06 | 2017-05-31 | 镇江大力液压马达股份有限公司 | A kind of body shell positioning high-speed distributing cycloid hydraulic motor with protecgulum |
| CN106762386A (en) * | 2017-01-17 | 2017-05-31 | 镇江大力液压马达股份有限公司 | A kind of small-sized installation dimension high pressure cycloid hydraulic motor |
| CN110630431A (en) * | 2019-08-20 | 2019-12-31 | 江苏国瑞液压机械有限公司 | Shaft flow distribution hydraulic motor |
| CN111005867A (en) * | 2019-12-25 | 2020-04-14 | 潍柴动力股份有限公司 | Driving shaft connecting structure of pump and combined gear pump |
| CN111005867B (en) * | 2019-12-25 | 2021-10-08 | 潍柴动力股份有限公司 | Driving shaft connecting structure of pump and combined gear pump |
| CN114087119A (en) * | 2021-10-27 | 2022-02-25 | 赛克思液压科技股份有限公司 | Movement mechanism of oblique shaft type high-speed hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20151126 |