CN207945253U - Compact-sized cycloid reducer - Google Patents
Compact-sized cycloid reducer Download PDFInfo
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- CN207945253U CN207945253U CN201820046994.4U CN201820046994U CN207945253U CN 207945253 U CN207945253 U CN 207945253U CN 201820046994 U CN201820046994 U CN 201820046994U CN 207945253 U CN207945253 U CN 207945253U
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Abstract
The utility model provides a kind of compact-sized cycloid reducer, a kind of compact-sized cycloid reducer, including shell, output seat and input shaft, it is fixed on input shaft that there are two the eccentric wheels that phase differs 180 °, two eccentric wheels are connect with a Cycloidal Wheel respectively by needle bearing, multiple gear pins are circumferentially equipped in the inner wall of shell, gear pin is engaged with two Cycloidal Wheel intervals, it is characterized in that：It is additionally provided with pivot flange, pivot flange is located at the side of Cycloidal Wheel, and output seat is located at the other side of Cycloidal Wheel, is fixedly connected by multiple pivot pins and bolt between pivot flange and output seat.By using the structure that pivot flange, pivot pin and output seat are connected as to an entirety, transmission rigidity is enhanced, while structure is more compact, reduce the space occupied, reduce parts.Make retarder volume smaller, installation is more flexible by the operating of manipulator, the insufficient field of the output torque of harmonic wave speed reducing machine can be replaced to use completely.
Description
Technical field
The utility model is related to retarder field, especially a kind of compact-sized cycloid reducer.
Background technology
Speed reducer is widely applied device in all kinds of mechanical equipments, and the quality of Design of Speed Reducer directly affects mechanical equipment
Transmission performance.Currently, widely applied cycloidal-pin gear speed reducer has transmission efficiency, the big advantage of gear ratio.But it puts
Output shaft in line wheel reducer is cantilever design, keeps the spatial volume of the structure in an axial direction larger, and transmission rigidity is insufficient,
Especially lateral force is poor.
The assembly precision of existing cycloid wheel reducer is more demanding, more demanding for the proficiency of assembler.
Such as Chinese patent literature CN105114543A describes a kind of dual zone type interlayer babinet water cooling dynamic balancing hypocycloid reduction box,
Output shaft therein is cantilever design, and part is more, and installation and adjustment are complicated.
Invention content
The technical problem to be solved by the utility model is to provide a kind of compact-sized cycloid reducers, can overcome
Cycloidal-pin gear speed reducer output shaft cantilever causes the problem of transmission rigidity deficiency without fulcrum in the prior art, rigid strengthening transmission
On the basis of property, structural volume is also reduced.In preferred scheme, assembly precision can be further increased.
In order to solve the above technical problems, technical solution used by the utility model is：A kind of compact-sized Cycloidal Wheel
Retarder, including shell, output seat and input shaft, fixed on input shaft there are two the eccentric wheels that phase differs 180 °, and two partially
Heart wheel is connect with a Cycloidal Wheel respectively by needle bearing, and multiple gear pins, gear pin are circumferentially equipped in the inner wall of shell
It is engaged with two Cycloidal Wheel intervals, it is characterized in that：It is additionally provided with pivot flange, pivot flange is located at the side of Cycloidal Wheel, exports seat
Positioned at the other side of Cycloidal Wheel, it is fixedly connected by multiple pivot pins and bolt between pivot flange and output seat.
In preferred scheme, the output seat is supported inside the shell by the first main shaft bearing, and pivot flange passes through the
Two main shaft bearings support inside the shell.
In preferred scheme, multiple pivot pins and bolt circumferentially interlaced arrangement.
In preferred scheme, the pivot pin passes through the driving hole of Cycloidal Wheel, and axle sleeve is equipped in the outer wall of pivot pin.
In preferred scheme, the bolt passes through the driving hole of Cycloidal Wheel, and spacer sleeve is equipped in the outer wall of bolt.
In preferred scheme, first main shaft bearing or the second main shaft bearing are angular contact bearing, the first spindle shaft
It holds or the outer ring of the second main shaft bearing is structure as a whole with shell.
In preferred scheme, one end of input shaft is supported on by the second bearing of input shaft in output seat, input shaft it is another
One end is supported on by the first bearing of input shaft in pivot flange.
In preferred scheme, the internal diameter of the first bearing of input shaft is more than the internal diameter of the second bearing of input shaft.
In preferred scheme, interior extension edge, interior extension edge and the first input shaft axis are equipped in the outer end of pivot flange
The outer ring side wall contact held；
It is additionally provided with external expansion edge in the outer end of pivot flange, external expansion edge and the inner ring side wall of the second main shaft bearing connect
It touches.
In preferred scheme, the hole for connecting transmission shaft is equipped in the outer end of input shaft；
It is equipped with the first axle for axially position the first bearing of input shaft and the second bearing of input shaft in the outer wall of input shaft
Shoulder and second shaft shoulder, between the first bearing of input shaft and first shaft shoulder be equipped with the first adjustment pad, the second bearing of input shaft with
Second adjustment pad is equipped between second shaft shoulder.
The utility model provides a kind of compact-sized cycloid reducer, by using by pivot flange, pivot pin and
Output seat is connected as the structure of an entirety, enhances transmission rigidity, while structure is more compact, reduces the space occupied,
Compared with traditional RV speed reducers, the transmission of planetary gear is optimized, parts are reduced.Make retarder volume smaller, installs by machine
The operating of tool hand is more flexible, the insufficient field of the output torque of harmonic wave speed reducing machine can be replaced to use completely.This type is applicable in
Rear three axis joint of six-shaft industrial robot is also suitable small intelligent service humanoid robot.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is another structural schematic diagram for improving example of the utility model.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the optimization flute profile figure in the utility model.
In figure：Pivot pin 1, axle sleeve 2, shell 3, Cycloidal Wheel 4, gear pin 5, the first main shaft bearing 6, oil sealing 7 export seat 8, interior
Hex bolts 9, needle bearing 10, spacer sleeve 11, input shaft 12, pivot flange 13, interior extension edge 131, external expansion edge
132, the first bearing of input shaft 14, first shaft shoulder 15, second adjustment pad 16, second shaft shoulder 17, gear pin 18, the first adjustment pad
19, driving hole 20, the second main shaft bearing 21, the second bearing of input shaft 22, modification of rotated angle profile 23, standard tooth form profile 24, bear
Equidistant plus negative modification of moved distance profile 25.
Specific implementation mode
Embodiment 1：
In Fig. 1 ~ 3, a kind of compact-sized cycloid reducer, including shell 3, output seat 8 and input shaft 12, input
It is fixed on axis 12 to differ 180 ° of eccentric wheel there are two phase, two eccentric wheels by needle bearing 10 respectively with a Cycloidal Wheel
4 connections are circumferentially equipped with multiple gear pins 5 in the inner wall of shell 3, and gear pin 5 is intermittently engaged with two Cycloidal Wheels 4, is additionally provided with
Pivot flange 13, pivot flange 13 are located at the side of Cycloidal Wheel 4, and output seat 8 is located at the other side of Cycloidal Wheel 4, pivot flange and
It is fixedly connected with bolt by multiple pivot pins 1 between output seat 8.In preferred scheme such as Fig. 3, multiple pivot pins 1 and bolt along
Circumference interlaced arrangement.Thus structure solves the prior art by the way that pivot flange 13 and output seat 8 are connected as an entirety
In, output 8 cantilever design of seat leads to the problem of transmission rigidity deficiency.
In preferred scheme such as Fig. 1, the output seat 8 is supported on by the first main shaft bearing 6 in shell 3, supporting methods
Orchid 13 is supported on by the second main shaft bearing 21 in shell 3.Thus structure improves bearing strength.
In preferred scheme such as Fig. 1, the pivot pin 1 passes through the driving hole 20 of Cycloidal Wheel 4, is equipped in the outer wall of pivot pin 1
Axle sleeve 2.In preferred scheme, the bolt passes through the driving hole 20 of Cycloidal Wheel 4, and spacer sleeve 11 is equipped in the outer wall of bolt.
Preferably, bolt uses hexagon socket head cap screw 9.
In preferred scheme such as Fig. 2, first main shaft bearing 6 or the second main shaft bearing 21 are angular contact bearing, the
The outer ring of one main shaft bearing 6 or the second main shaft bearing 21 is structure as a whole with shell 3.Thus structure improves output seat and branch
The assembly precision of staying orchid, reduces artificial installation error.It is further preferred that shell 3 uses bearing steel.
In preferred scheme such as Fig. 1,2, one end of input shaft 12 is supported on output seat 8 by the second bearing of input shaft 22
Interior, the other end of input shaft 12 is supported on by the first bearing of input shaft 14 in pivot flange 13.Thus it is strong to improve bearing for structure
Degree.
In preferred scheme such as Fig. 1,2, the internal diameter of the first bearing of input shaft 14 is more than the internal diameter of the second bearing of input shaft 22.
Thus structure is conducive to the vibration for lowering transmission.
In preferred scheme such as Fig. 1,2, interior extension edge 131, interior extension edge 131 are equipped in the outer end of pivot flange 13
It is contacted with the outer ring side wall of the first bearing of input shaft 14；
It is additionally provided with external expansion edge 132 in the outer end of pivot flange 13, external expansion edge 132 and the second main shaft bearing 21
Inner ring side wall contacts.Thus structure improves the anti-twisting property of entire retarder.
In preferred scheme such as Fig. 1,2, the hole for connecting transmission shaft is equipped in the outer end of input shaft, such as motor is defeated
Shaft is connected as transmission shaft, transmission shaft by the hole of key or taper and input shaft；
It is equipped with for axially position the first bearing of input shaft 14 and the second bearing of input shaft 22 in the outer wall of input shaft
One shaft shoulder 15 and second shaft shoulder 17 are equipped with the first adjustment pad 19 between the first bearing of input shaft 14 and first shaft shoulder 15, the
Second adjustment pad 16 is equipped between two bearing of input shaft 22 and second shaft shoulder 17.One adjustment is usually only set in the prior art
The problem of padding, but assembly precision can be caused.This is easy to be ignored, because in the prior art, part is generally viewed as
Rigid body, but in practical set, especially in the situation of the utility model, multiple hexagon socket head cap screws 9 will entirely export 8 He of seat
The tension of pivot flange 13 is integrated, and there are small deformations for position of bearings only can compensate for when an adjusting pad is arranged
The deformation of one end, and the first adjustment pad 19 and second adjustment pad 16 being arranged then can compensate for the deformation at both ends, further increase
Assembly precision.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, mutually can be combined arbitrarily.This practicality is new
Technical characteristic in the technical solution that the protection domain of type should be recorded with claim, including the technical solution of claim record
Equivalents are protection domain.Equivalent replacement i.e. within this range is improved, also the scope of protection of the utility model it
It is interior.
Claims (9)
1. a kind of compact-sized cycloid reducer, including shell（3）, output seat（8）And input shaft（12）, input shaft（12）
Upper fixed there are two the eccentric wheel that phase differs 180 °, two eccentric wheels pass through needle bearing（10）Respectively with a Cycloidal Wheel
（4）Connection, in shell（3）Inner wall circumferentially be equipped with multiple gear pins（5）, gear pin（5）With two Cycloidal Wheels（4）Interval is nibbled
It closes, it is characterized in that：It is additionally provided with pivot flange（13）, pivot flange（13）Positioned at Cycloidal Wheel（4）Side, export seat（8）It is located at
Cycloidal Wheel（4）The other side, pivot flange with output seat（8）Between pass through multiple pivot pins（1）It is fixedly connected with bolt.
2. a kind of compact-sized cycloid reducer according to claim 1, it is characterized in that：The output seat（8）
Pass through the first main shaft bearing（6）It is supported on shell（3）It is interior, pivot flange（13）Pass through the second main shaft bearing（21）It is supported on shell
（3）It is interior.
3. a kind of compact-sized cycloid reducer according to claim 2, it is characterized in that：Multiple pivot pins（1）And spiral shell
Bolt circumferentially interlaced arrangement.
4. a kind of compact-sized cycloid reducer according to claim 2 or 3, it is characterized in that：The pivot pin（1）
Across Cycloidal Wheel（4）Driving hole（20）, in pivot pin（1）Outer wall be equipped with axle sleeve（2）.
5. a kind of compact-sized cycloid reducer according to claim 2 or 3, it is characterized in that：The bolt is worn
Cross Cycloidal Wheel（4）Driving hole（20）, spacer sleeve is equipped in the outer wall of bolt（11）.
6. a kind of compact-sized cycloid reducer according to claim 2, it is characterized in that：First spindle shaft
It holds（6）Or second main shaft bearing（21）For angular contact bearing, the first main shaft bearing（6）Or second main shaft bearing（21）Outer ring with
Shell（3）It is structure as a whole.
7. a kind of compact-sized cycloid reducer according to claim 2, it is characterized in that：Input shaft（12）One end
Pass through the second bearing of input shaft（22）It is supported on output seat（8）It is interior, input shaft（12）The other end pass through the first bearing of input shaft
（14）It is supported on pivot flange（13）It is interior；
First bearing of input shaft（14）Internal diameter be more than the second bearing of input shaft（22）Internal diameter.
8. a kind of compact-sized cycloid reducer according to claim 7, it is characterized in that：In pivot flange（13）'s
Outer end is equipped with interior extension edge（131）, interior extension edge（131）With the first bearing of input shaft（14）The contact of outer ring side wall；
In pivot flange（13）Outer end be additionally provided with external expansion edge（132）, external expansion edge（132）With the second main shaft bearing
（21）Inner ring side wall contact.
9. a kind of compact-sized cycloid reducer according to claim 1, it is characterized in that：It is set in the outer end of input shaft
It is useful for the hole of connection transmission shaft；
It is equipped in the outer wall of input shaft and is used for the first bearing of input shaft of axially position（14）With the second bearing of input shaft（22）
One shaft shoulder（15）With second shaft shoulder（17）, in the first bearing of input shaft（14）With first shaft shoulder（15）Between be equipped with the first adjustment pad
（19）, in the second bearing of input shaft（22）With second shaft shoulder（17）Between be equipped with second adjustment pad（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820046994.4U CN207945253U (en) | 2018-01-11 | 2018-01-11 | Compact-sized cycloid reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820046994.4U CN207945253U (en) | 2018-01-11 | 2018-01-11 | Compact-sized cycloid reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207945253U true CN207945253U (en) | 2018-10-09 |
Family
ID=63701635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820046994.4U Active CN207945253U (en) | 2018-01-11 | 2018-01-11 | Compact-sized cycloid reducer |
Country Status (1)
| Country | Link |
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| CN (1) | CN207945253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050212A (en) * | 2018-01-11 | 2018-05-18 | 武汉市精华减速机制造有限公司 | Compact-sized cycloid reducer |
-
2018
- 2018-01-11 CN CN201820046994.4U patent/CN207945253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050212A (en) * | 2018-01-11 | 2018-05-18 | 武汉市精华减速机制造有限公司 | Compact-sized cycloid reducer |
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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: 20181207 Address after: Room 602, Building 1, Guanggu Wisdom Park, No. 7, Finance Port Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Hubei Siweite Transmission Co., Ltd. Address before: Room D301, Century Huating, No. 1 Northwest Lake Road, Jianghan District, Wuhan City, Hubei Province Patentee before: Wuhan City elite reductor Manufacturing Co., Ltd |
|
| TR01 | Transfer of patent right |