CN209212897U - Roll cycloid in planet gear - Google Patents
Roll cycloid in planet gear Download PDFInfo
- Publication number
- CN209212897U CN209212897U CN201821936921.9U CN201821936921U CN209212897U CN 209212897 U CN209212897 U CN 209212897U CN 201821936921 U CN201821936921 U CN 201821936921U CN 209212897 U CN209212897 U CN 209212897U
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- Prior art keywords
- tooth
- input shaft
- output block
- universal
- cycloidal wheel
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Abstract
A kind of rolling cycloid in planet gear, including input shaft (1), output block (11) and body, input shaft is supported on described body one end, and output block is supported on the body other end, and one end of the input shaft is protruded into the output block and is supported on the output block；The input shaft is equipped with an eccentric shaft, supports universal-joint spindle set (9) on the eccentric shaft, and the axis of eccentric shaft and the axis of input shaft intersect at dead-center position, and form an eccentric angle；One end of universal-joint spindle set rolls and connects in the dead-center position and the universal connection of output block, the other end and Cycloidal Wheel (4)；Cycloidal Wheel periphery is evenly distributed with the first tooth, is equipped with ring gear (5) in body, and uniformly distributed second tooth in ring gear, the first tooth is meshed with the second tooth, and the engagement center line of the first and second tooth is parallel with the axis of the input shaft, and the number of teeth of the second tooth is greater than the number of teeth of the first tooth.
Description
Technical field
The utility model relates to a kind of rolling cycloid in planet gears.
Background technique
Chinese patent CN108087500A discloses a kind of tapered roller cycloid drive mechanism comprising input unit
Part, output block and fixed internal gear, the internal gear are nibbled with the Cycloidal Wheel periphery being arranged on eccentric shaft by boring tooth
It closes, and the number of teeth of internal gear is greater than the number of teeth of Cycloidal Wheel periphery, thus under the action of input part and eccentric shaft, Cycloidal Wheel is defeated
Revolving speed reduces out, keeps the output block connecting with Cycloidal Wheel at low speed.This cycloid drive mechanism performance is excellent, ties
Structure is simple, low manufacture cost, but its output power and application range are all very limited, cannot be applicable in larger output torque and output
The requirement of power.
Utility model content
Technical problem to be solved in the utility model is, in view of the shortcomings of the prior art, providing a kind of function admirable, structure
Simply, low manufacture cost, bearing capacity be strong and the rolling cycloid in planet gear that has a wide range of application.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of rolling cycloid in planet variable-speed motor
Structure, including input shaft and output block, in which:
The input shaft is mounted on one end of a body by bearing, and the output block is mounted on the machine by bearing
The other end of body, and one end of the input shaft is protruded into the output block and by bearing support in the output block
On；
The input shaft is equipped with an eccentric shaft, passes through bearing support universal-joint spindle set on the eccentric shaft, and described
The axis of the axis of eccentric shaft and the input shaft intersects at dead-center position, and forms an eccentric angle；
Ten thousand are realized by sphere-contact in the dead-center position and the output block in one end of the universal-joint spindle set
To connection, the other end and Cycloidal Wheel form universal connection by sphere-contact；
The periphery of the Cycloidal Wheel is evenly distributed with the first tooth, and ring gear, the inner circumferential uniformly distributed second of ring gear are equipped in the body
Tooth, the first tooth are meshed with the second tooth, and the engagement center line of the first and second tooth is parallel with the axis of the input shaft, the second tooth
The number of teeth be greater than the first tooth the number of teeth.
The one of above scheme is embodied as, and multiple first connecting portions are arranged in one end of the universal-joint spindle set, another
Multiple second connecting portions are arranged in end, and the first recessed ball groove is arranged in first connecting portion, the second recessed ball groove is arranged in second connecting portion；Institute
It states output block inner hole and is equipped with multiple third interconnecting pieces, be provided with the recessed ball groove of third on third interconnecting piece；The Cycloidal Wheel inner hole
Equipped with multiple 4th interconnecting pieces, the 4th recessed ball groove is provided on the 4th interconnecting piece；First connecting portion is opposite with third interconnecting piece to be set
It sets, and the first and third recessed ball groove the first connecting hole of opposite composition；The periphery of second connecting portion forms spherical outside surface, the 4th interconnecting piece
Inner circumferential forms Internal Spherical Surface, and the centre of sphere of the spherical outside surface of each second connecting portion and the centre of sphere of the Internal Spherical Surface of each 4th interconnecting piece coincide with
Same point, second connecting portion are oppositely arranged with the 4th interconnecting piece, and the second recessed ball groove is opposite with the 4th recessed ball groove to form the second connection
Hole；Orbicule is placed respectively in first and second connecting hole, and output block and Cycloidal Wheel is made to cover to be formed with the universal-joint spindle respectively
Sphere-contact and realize universal connection.
One preferred embodiment of above scheme is that the center of second connecting hole is located in the axial direction of the Cycloidal Wheel
Between position.
In above scheme, the output block is output shaft or output panel.
In above scheme, the balance weight with eccentric shaft phase difference 180 degree is provided on the eccentric shaft.The parameter of balance weight
The factors such as the size of Cycloidal Wheel active force are determined by the eccentricity of eccentric shaft, the quality of Cycloidal Wheel and ring gear.
In above scheme, second tooth tooth more than the first tooth.
In above scheme, the eccentric shaft is the gearratio of cycloid axle formation with input shaft one.
Universal-joint spindle is placed on dead-center position in the utility model and output block is rolled and connected, then by with different teeth
The use of the first and second several teeth cancels bindiny mechanism used in original cycloid pin gear planet speed reducer (W mechanism), is
The length of action and output panel size and the size of output shaft for designing the first and second tooth provide looser space, for output
The raising of torque provides possibility, simultaneously as structure is simple, sports ring reduce it is few, be easily able to than RV speed reducer precision more
It is high.
The utility model is by dexterously setting eccentric shaft for one section in input shaft, then supports on eccentric shaft universal
Connecting bushing, universal-joint spindle is placed on dead-center position and output block is rolled and connected, and rolls and connect with the Cycloidal Wheel of the first tooth of band
It connects, the periphery of Cycloidal Wheel is arranged the ring gear of fixed the second tooth of band, the rotation of such input shaft, through eccentric shaft, universal
After connecting bushing is transferred to Cycloidal Wheel, since Cycloidal Wheel is engaged with ring gear, ring gear is fixed, thus Cycloidal Wheel can only be
Make the planetary motion opposite with input shaft direction of rotation under the action of eccentric shaft, and because of the of the second tooth of ring gear and Cycloidal Wheel
One tooth differs a tooth (this sentences one tooth of difference and is illustrated, and however, it is not limited to this), thus one circle of input shaft rotation, pendulum
Line wheel can only rotate a tooth relative to ring gear, run slowly to realize, and the universal-joint spindle by connecting with Cycloidal Wheel
Set passes to output block output.
The utility model structure is simple, and cycloid pin gear planet speed reducer than before eliminates many intermediate connectors, no
Only make low manufacture cost, and due to eliminating multiple intermediate connectors, so that the accumulated error between part obviously becomes smaller, it is whole
Maneuverability is good, is entirely capable of substituting the RV speed reducer of current import.
Experiment proves that tapered roller cycloid drive mechanism disclosed in opposite Chinese patent CN108087500A, this
Utility model can greatly increase bearing capacity and application range.Current cycloid pin gear planet speed reducer maximum input work both domestic and external
Rate is 200kw, max. output torque 100000N.m or so, and the utility model maximal input is up to MW class, maximum defeated
Torque is up to million Ns of meter levels out.
Detailed description of the invention
Fig. 1 is an embodiment of the present invention overall structure schematic cross-sectional view.
Fig. 2 is the positive structure diagram of the utility model Cycloidal Wheel.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the positive structure diagram of the utility model universal connecting shaft set.
Fig. 5 is the cross-sectional view of Fig. 4.
Specific embodiment
As Figure 1-Figure 5, it includes input shaft 1, output that the utility model, which rolls cycloid in planet gear embodiment one,
Component 11 and the body formed by end cap 3 and the opposite combination of shell 8.Input shaft 1 is supported on end cap 3 by bearing 2, output section
Part 11 is supported on shell 8 by bearing 10, and one end of input shaft 1 is protruded into output block 11 and is supported on by bearing 12
On output block 11.Input shaft 1 is equipped with an eccentric shaft, passes through bearing 7 on the eccentric shaft and supports universal connecting shaft set 9, and partially
The axis of mandrel and the axis of input shaft intersect at dead-center position O, and form an eccentric angle a.Outside one end of universal-joint spindle set 9
Multiple first connecting portions 14 are set in week, and multiple second connecting portions 15 are arranged in other end periphery, and the is provided in first connecting portion 14
The second recessed ball groove 151 is arranged in second connecting portion 15 for one recessed ball groove 141, and the periphery of second connecting portion 15 forms spherical outside surface, respectively
The centre of sphere of the spherical outside surface of second connecting portion 15 coincides with same point.The inner hole of output block 11 is equipped with multiple third interconnecting pieces 16,
The recessed ball groove 161 of third is provided on third interconnecting piece 16.The inner hole of Cycloidal Wheel 4 is equipped with multiple 4th interconnecting pieces 17, the 4th connection
The 4th recessed ball groove 171 is provided in portion 17, and the inner circumferential of each 4th interconnecting piece 17 forms Internal Spherical Surface, the interior ball of each 4th interconnecting piece
The centre of sphere in face coincides with same point.First connecting portion 14 is oppositely arranged with third interconnecting piece 16, and the first and third recessed ball groove 141,
161 are oppositely arranged the first connecting hole of composition, place the orbicule 6 for having arcwall face in the first connecting hole, second connecting portion 15
The Internal Spherical Surface of spherical outside surface and the 4th interconnecting piece 17 is oppositely arranged, and second, four recessed ball grooves 151,171 are oppositely arranged composition second and connect
Connect hole, the orbicule 6 for having arcwall face placed in the second connecting hole, and make output block 11 and Cycloidal Wheel 4 respectively with it is universal
Spindle set 9 realizes universal rolling connection and synchronous rotary.It is equipped with ring gear 5 in body, is covered with the second tooth in ring gear 5, first
Tooth is meshed with the second tooth, and the engagement center line of the first and second tooth is parallel with the axis of input shaft 1, the gear ratio of the second tooth
The number of teeth of two teeth is big by 1.
The balance weight 13 with eccentric shaft phase difference 180 degree is provided on the eccentric shaft, so that input shaft 1 can be operated steadily.
The parameter of balance weight is by the eccentricity of eccentric shaft, the quality of Cycloidal Wheel and ring gear to factors such as the sizes of Cycloidal Wheel active force
It determines.
In the present embodiment, it can also be output panel that output block 11, which can be output shaft,.
In the present embodiment, eccentric shaft can be integrally formed with input shaft 1, can also be interference fitted on input shaft 1 individually inclined
Mandrel.
For the present embodiment in use, 1 input power of input shaft, the eccentric shaft on input shaft 1 transmits power to universal-joint spindle
Set 9 swings universal-joint spindle set 9, simultaneously because universal-joint spindle set 9 is connect with Cycloidal Wheel 4 through 6 universal rolling of orbicule,
Cycloidal Wheel 4 by ring gear 5 engagement (ring gear 5 because with shell 8 interference fit together, ring gear 5 cannot turn
It is dynamic), thus only the opposite input shaft 1 under the action of eccentric force is swung Cycloidal Wheel 4 by a small margin, meanwhile, in swing process, pendulum
Line wheel 4 and ring gear 5 relatively rotate, due to the second tooth more than the first tooth a tooth, thus when the rotation of input shaft 1 is turned around,
Cycloidal Wheel 4 is only advanced one tooth with respect to ring gear 5, i.e. Cycloidal Wheel 4 realizes deceleration, while the deceleration of Cycloidal Wheel 4, due to defeated
Component 11 covers 9,4 sphere-contact of Cycloidal Wheel with universal-joint spindle through orbicule 6 and realizes that universal rolling is connect out, thus output section
Part 11 is with 4 low speed rotation of Cycloidal Wheel.
Above-described embodiment is used merely as illustrating the concrete scheme of the utility model, can not be regarded as to the utility model
The restriction of scheme, those skilled in the art are under the premise of understanding above-mentioned technical concept, the embodiment that can make more evolutions,
But under the situation for not departing from the utility model technical spirit, still it should be regarded as in the utility model covering scope.
Claims (7)
1. a kind of rolling cycloid in planet gear, including input shaft (1) and output block (11), it is characterised in that:
The input shaft is mounted on one end of a body by bearing, and the output block is mounted on the body by bearing
The other end, and one end of the input shaft is protruded into the output block and by bearing support on the output block；
The input shaft is equipped with an eccentric shaft, passes through bearing support universal-joint spindle set (9) on the eccentric shaft, and described inclined
The axis of the axis of mandrel and the input shaft intersects at dead-center position (O), and forms an eccentric angle (a)；
Universal company is realized by sphere-contact in the dead-center position and the output block in one end of the universal-joint spindle set
It connects, the other end forms universal connection by sphere-contact with Cycloidal Wheel (4)；
The periphery of the Cycloidal Wheel is evenly distributed with the first tooth, is equipped with ring gear (5) in the body, the inner circumferential uniformly distributed second of ring gear
Tooth, the first tooth are meshed with the second tooth, and the engagement center line of the first and second tooth is parallel with the axis of the input shaft, the second tooth
The number of teeth be greater than the first tooth the number of teeth.
2. rolling cycloid in planet gear according to claim 1, which is characterized in that the one of the universal-joint spindle set
Multiple first connecting portions (14) are arranged in end, and multiple second connecting portions (15) are arranged in the other end, and setting first is recessed in first connecting portion
The second recessed ball groove (151) is arranged in second connecting portion for ball groove (141)；The output block inner hole is equipped with multiple third interconnecting pieces
(16), the recessed ball groove of third (161) is provided on third interconnecting piece；The Cycloidal Wheel inner hole is equipped with multiple 4th interconnecting pieces (17),
The 4th recessed ball groove (171) is provided on 4th interconnecting piece；First connecting portion is oppositely arranged with third interconnecting piece, and first and third is recessed
Ball groove the first connecting hole of opposite composition；The periphery of second connecting portion forms spherical outside surface, and the inner circumferential of the 4th interconnecting piece forms Internal Spherical Surface,
And the centre of sphere of the Internal Spherical Surface of the centre of sphere of the spherical outside surface of each second connecting portion and each 4th interconnecting piece coincides with same point, the second connection
Portion is oppositely arranged with the 4th interconnecting piece, the second recessed ball groove and the 4th the second connecting hole of the recessed opposite formation of ball groove；First and second connecting hole
It is middle to place orbicule (6) respectively, so that output block and Cycloidal Wheel is formed sphere-contact with the universal-joint spindle set respectively and reality
Existing universal connection.
3. rolling cycloid in planet gear according to claim 2, which is characterized in that the center of second connecting hole
Positioned at the axial intermediate position of the Cycloidal Wheel.
4. rolling cycloid in planet gear according to claim 1, which is characterized in that the output block is output shaft
Or output panel.
5. rolling cycloid in planet gear according to claim 1, which is characterized in that be provided on the eccentric shaft with
The balance weight (13) of eccentric shaft phase difference 180 degree.
6. rolling cycloid in planet gear according to claim 1, which is characterized in that the gear ratio of second tooth
The number of teeth of one tooth is big by 1.
7. rolling cycloid in planet gear according to claim 1, which is characterized in that the eccentric shaft is and input shaft
The gearratio of cycloid axle formation of one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936921.9U CN209212897U (en) | 2018-11-23 | 2018-11-23 | Roll cycloid in planet gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936921.9U CN209212897U (en) | 2018-11-23 | 2018-11-23 | Roll cycloid in planet gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212897U true CN209212897U (en) | 2019-08-06 |
Family
ID=67460792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821936921.9U Expired - Fee Related CN209212897U (en) | 2018-11-23 | 2018-11-23 | Roll cycloid in planet gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281995A (en) * | 2018-11-23 | 2019-01-29 | 王海清 | Roll cycloid in planet gear |
-
2018
- 2018-11-23 CN CN201821936921.9U patent/CN209212897U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281995A (en) * | 2018-11-23 | 2019-01-29 | 王海清 | Roll cycloid in planet gear |
| CN109281995B (en) * | 2018-11-23 | 2024-04-16 | 深圳新创技术研究有限公司 | Rolling cycloid planetary speed change mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190814 Address after: 518000 Guangdong Province Baoan District Xixiang Street Fuhua Community Liutang Road Taihua Pearl 2 12E Patentee after: Shenzhen Xinchuang Technology Research Co., Ltd. Address before: 410014 No. 267, East Second Ring Section, Yuhua District, Changsha City, Hunan Province Co-patentee before: Lei Zhongsheng Patentee before: Wang Haiqing Co-patentee before: Qu Cong |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20191123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |