CN209212894U - Cycloid drive mechanism - Google Patents
Cycloid drive mechanism Download PDFInfo
- Publication number
- CN209212894U CN209212894U CN201821936777.9U CN201821936777U CN209212894U CN 209212894 U CN209212894 U CN 209212894U CN 201821936777 U CN201821936777 U CN 201821936777U CN 209212894 U CN209212894 U CN 209212894U
- Authority
- CN
- China
- Prior art keywords
- tooth
- cycloidal wheel
- output block
- input shaft
- universal
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Retarders (AREA)
Abstract
A kind of cycloid drive mechanism, including being mounted on the input shaft of body one end and being mounted on the output block of the body other end, and one end of input shaft is protruded into output shaft and is supported on output block；Input shaft is equipped with an eccentric shaft, supports Cycloidal Wheel on eccentric shaft, and the axis of eccentric shaft is parallel with the axis of input shaft；Cycloidal Wheel periphery is covered with the first tooth, and ring gear is equipped in the body, is covered with the second tooth in ring gear, and 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 input shaft, and the number of teeth of the second tooth is greater than the number of teeth of the first tooth；The output block connects the Cycloidal Wheel by universal-joint spindle set (10), and realizes universal connection by sphere-contact between universal-joint spindle set and the output block and the Cycloidal Wheel.
Description
Technical field
The utility model relates to a kind of cycloid drive mechanisms.
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, the cycloid drive mechanism that low manufacture cost, bearing capacity are strong and operation strategies are wide.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of cycloid drive mechanism, packet
Include 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 Cycloidal Wheel, and the eccentric shaft on the eccentric shaft
Axis it is parallel with the axis of the input shaft；
The Cycloidal Wheel periphery is covered with the first tooth, and ring gear is equipped in the body, is covered with the second tooth in ring gear, and 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 big
In the number of teeth of the first tooth；
The output block connects the Cycloidal Wheel by universal-joint spindle set, and universal-joint spindle set with it is described defeated
Universal connection is realized by sphere-contact between component and the Cycloidal Wheel out.
One specific embodiment of above scheme is that multiple pins are respectively set in the both ends periphery of the universal-joint spindle set,
It is arranged sliding block on each pin, one end of the inner hole of the output block and the Cycloidal Wheel, which is respectively set, realizes that gap is matched with sliding block
The first connecting hole closed, and one end of universal-joint spindle set is connect by pin and sliding block with the output block, the other end
It is connect by pin and sliding block with one end of the Cycloidal Wheel.
Another specific embodiment of above scheme is that the first company is respectively set in the both ends periphery of the universal-joint spindle set
Socket part, the output block inner hole and described Cycloidal Wheel one end are correspondingly provided with second connecting portion, and first connecting portion connects with second
Socket part is mutually clamped, and offers the first recessed ball groove in the first connecting portion at engaging, on the output block and Cycloidal Wheel at engaging
Offering the second recessed ball groove with the first recessed ball groove cooperation, the recessed ball groove of first and second be oppositely arranged forms the second connecting hole, and second
The orbicule with curved surfaces is placed in connecting hole and output block and Cycloidal Wheel is made to cover shape with the universal-joint spindle respectively
Universal connection is realized at sphere-contact.
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 the input shaft one.
Universal-joint spindle set is rolled with Cycloidal Wheel, output block and is connected in the utility model, then by inclined on input shaft
The use of mandrel and the first and second tooth with the different numbers of teeth makes bindiny mechanism (W used in original cycloid pin gear planet speed reducer
Mechanism) cancelled, for design the first and second tooth length of action and output panel size and the size of output shaft provide it is wider
The space of pine, provides possibility for the raising of output torque, simultaneously as structure is simple, sports ring is reduced less, is easily able to compare
The precision of RV speed reducer is higher.
The utility model is by dexterously setting eccentric shaft for one section in input shaft, then the supporting part the on eccentric shaft
The ring gear of fixed the second tooth of band, the rotation of such input shaft, through inclined is arranged in the Cycloidal Wheel of one tooth, the periphery of Cycloidal Wheel
After mandrel is transferred to Cycloidal Wheel, since Cycloidal Wheel is engaged with ring gear, ring gear is fixed, thus Cycloidal Wheel can only be in bias
Make the planetary motion opposite with input shaft direction of rotation under the action of axis, and because of the first tooth of the second tooth of ring gear and Cycloidal Wheel
It 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, Cycloidal Wheel
A tooth can only be rotated relative to ring gear, run slowly to realize, and the set of the universal-joint spindle by connecting with Cycloidal Wheel passes
Pass 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 cross-sectional view.
Fig. 2 is the utility model universal-joint spindle set and the section view state diagram of Cycloidal Wheel junction.
Fig. 3 is universal-joint spindle nested structure schematic diagram of the utility model with sliding block.
Fig. 4 is the A-A cross-sectional view of Fig. 3.
Fig. 5 is the B-B cross-sectional view of Fig. 3.
Fig. 6 is another embodiment overall structure cross-sectional view of the utility model.
Specific embodiment
As Figure 1-Figure 5, the utility model cycloid drive mechanism embodiment one includes input shaft 1, output block
11 and the body formed is combined by end cap 3 and shell 6 are opposite.Input shaft 1 is supported on end cap 3 by bearing 2, output block 11
It is supported on shell 6 by bearing 9, and one end of input shaft 1 is protruded into output block 11 and by bearing support in output section
On part 11.Input shaft 1 is equipped with an eccentric shaft, supports Cycloidal Wheel 4 by bearing 7 on the eccentric shaft, and the axis of eccentric shaft with
The axis of input shaft 1 is parallel, and eccentricity between the two is a.The periphery of Cycloidal Wheel 4 is covered with the first tooth, is equipped with internal tooth in body
5 are enclosed, is covered with the second tooth in ring gear 5, the first tooth is meshed with the second tooth, and the engagement center line of the first and second tooth and input shaft 1
Axis it is parallel, the number of teeth of the first tooth of gear ratio of the second tooth is big by 1.Cone cell is set on the input shaft 1 in output block 11
Universal-joint spindle set 10, universal-joint spindle set 10 both ends periphery multiple pins 14 are respectively set, be arranged sliding block on each pin 14
8, the first connecting hole that clearance fit is realized with sliding block 8, and ten thousand are respectively set in the inner hole of output block 11 and one end of Cycloidal Wheel 4
Rolled and connected by pin 14 and sliding block 8 and output block 11 to one end of connection axle sleeve 10, the other end by pin 14 and sliding block 8 with
One end of Cycloidal Wheel 4 rolls connection.
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, universal-joint spindle set 10 is cone cell, and however, it is not limited to this, for example universal-joint spindle set 10 can also
It is cylindric.
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.
The present embodiment is in use, 1 input power of input shaft, the eccentric shaft of input shaft 1 transmit power to Cycloidal Wheel 4, cycloid
Wheel 4 due to by ring gear 5 engagement (ring gear 5 because with shell 6 interference fit together, ring gear 5 is not able to rotate),
Thus only opposite input shaft 1 is swung Cycloidal Wheel 4 by a small margin under the action of eccentric force, meanwhile, in swing process, Cycloidal Wheel
4 relatively rotate with ring gear 5, since the second tooth is with respect to a tooth more than the first tooth, thus when the rotation of input shaft 1 is turned around, cycloid
The opposite ring gears 5 of wheel 4 only advance one tooth, i.e. Cycloidal Wheel 4 realizes deceleration, while the deceleration of Cycloidal Wheel 4, due to output section
Part 11 through on universal-joint spindle set 10 pin 14 and sliding block 8 and the universal connection of Cycloidal Wheel 4, thus output block 11 is with Cycloidal Wheel 4
Low speed rotation.
As shown in fig. 6, two general configuration of the utility model cycloid drive mechanism embodiment is the same as example 1, only
Be universal-joint spindle set 10 both ends periphery be respectively set first connecting portion (being pin 14 in embodiment one), output block 11 it is interior
Hole and 4 one end of Cycloidal Wheel are correspondingly provided with second connecting portion, and first connecting portion is mutually clamped with second connecting portion, first connecting portion
On offer the first recessed ball groove, offered on corresponding output block 11 and Cycloidal Wheel 4 with it is the second of the first recessed ball groove cooperation recessed
Ball groove, the first and second recessed ball groove are oppositely arranged the second connecting hole of composition, place the orbicule for having curved surfaces in the second connecting hole
8 ' and make output block 11 and Cycloidal Wheel 4 respectively with universal-joint spindle set 10 realize it is universal connection and synchronous rotary.
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 cycloid drive mechanism, 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 Cycloidal Wheel (4) on the eccentric shaft, and the eccentric shaft
Axis is parallel with the axis of the input shaft；
The Cycloidal Wheel periphery is covered with the first tooth, is equipped with ring gear (5) in the body, is covered with the second tooth in ring gear, and 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 big
In the number of teeth of the first tooth；
The output block connects the Cycloidal Wheel by universal-joint spindle set (10), and universal-joint spindle set with it is described defeated
Universal connection is realized by sphere-contact between component and the Cycloidal Wheel out.
2. cycloid drive mechanism according to claim 1, which is characterized in that outside the both ends of the universal-joint spindle set
Multiple pins are respectively set week, are arranged on each pin sliding block (14), one end point of the inner hole of the output block and the Cycloidal Wheel
The first connecting hole of clearance fit She Zhi not be realized with sliding block, and one end of universal-joint spindle set passes through pin and sliding block and institute
Output block connection is stated, the other end is connect by pin and sliding block with one end of the Cycloidal Wheel.
3. cycloid drive mechanism according to claim 1, which is characterized in that outside the both ends of the universal-joint spindle set
First connecting portion is respectively set week, the output block inner hole and described Cycloidal Wheel one end are correspondingly provided with second connecting portion, and
One interconnecting piece is mutually clamped with second connecting portion, and the first recessed ball groove is offered in the first connecting portion at engaging, defeated at engaging
The the second recessed ball groove cooperated with the first recessed ball groove, the recessed ball groove group of first and second be oppositely arranged are offered in component and Cycloidal Wheel out
At the second connecting hole, in the second connecting hole place with curved surfaces orbicule and make output block and Cycloidal Wheel respectively with institute
Universal-joint spindle set is stated to form sphere-contact and realize universal connection.
4. cycloid drive mechanism according to claim 1 or 2 or 3, which is characterized in that the output block is output
Axis or output panel.
5. cycloid drive mechanism according to claim 1, which is characterized in that be provided on the eccentric shaft and bias
The balance weight (13) of axis phase difference 180 degree.
6. cycloid drive mechanism according to claim 1, which is characterized in that the first tooth of gear ratio of second tooth
The number of teeth it is big by 1.
7. cycloid drive mechanism according to claim 1, which is characterized in that the eccentric shaft be and the input shaft
The gearratio of cycloid axle formation of one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936777.9U CN209212894U (en) | 2018-11-23 | 2018-11-23 | Cycloid drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936777.9U CN209212894U (en) | 2018-11-23 | 2018-11-23 | Cycloid drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212894U true CN209212894U (en) | 2019-08-06 |
Family
ID=67460857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821936777.9U Expired - Fee Related CN209212894U (en) | 2018-11-23 | 2018-11-23 | Cycloid drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210150A (en) * | 2018-11-23 | 2019-01-15 | 王海清 | Cycloid drive mechanism |
-
2018
- 2018-11-23 CN CN201821936777.9U patent/CN209212894U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210150A (en) * | 2018-11-23 | 2019-01-15 | 王海清 | Cycloid drive mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170152931A1 (en) | Differential device | |
| CN113309842B (en) | Cycloidal pin gear harmonic speed reducer | |
| CN108087500A (en) | Tapered roller cycloid drive mechanism | |
| CN209212894U (en) | Cycloid drive mechanism | |
| CN209212897U (en) | Roll cycloid in planet gear | |
| TW201305465A (en) | Transmission mechanism having eccentric cam assemblies | |
| CN205639487U (en) | Poor NN type planet gear of few tooth of two eccentric shafts | |
| CN209083917U (en) | A kind of low back clearance speed reducer of industrial robot | |
| CN105952848A (en) | Double-eccentric-shaft small-tooth-difference NN type planetary reducer | |
| CN209925523U (en) | Planetary cycloidal speed reducer for light robot | |
| CN209458369U (en) | A kind of modified satellite differential | |
| CN109268453B (en) | Double-ring speed reducer | |
| CN104565302B (en) | Reduction gear | |
| CN109210150A (en) | Cycloid drive mechanism | |
| CN214661788U (en) | Base cycloidal speed reducer for industrial heavy-duty robot | |
| CN109281996A (en) | The cascade retarder of balance wheel gear unit | |
| CN109281995A (en) | Roll cycloid in planet gear | |
| CN100464089C (en) | New type annular plate type RV actuator | |
| CN114001125A (en) | Ultra-low speed ratio high rigidity high accuracy cycloid pin gear planetary transmission reduction gear | |
| JP4746769B2 (en) | Speed reducer series | |
| CN207983399U (en) | One kind thickens joint of robot drive mechanism | |
| CN209083916U (en) | A kind of civilian robot heavy-load type speed reducer | |
| CN206054643U (en) | A kind of New-type cycloidal pin gear speed reducer | |
| CN207750456U (en) | One kind thickens joint of robot drive mechanism | |
| CN209621972U (en) | Few teeth difference involute deceleration mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190808 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 |
|
| 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: 20190806 Termination date: 20191123 |