CN207634624U - A kind of cartridge type planet-gear speed reducer - Google Patents
A kind of cartridge type planet-gear speed reducer Download PDFInfo
- Publication number
- CN207634624U CN207634624U CN201721537389.9U CN201721537389U CN207634624U CN 207634624 U CN207634624 U CN 207634624U CN 201721537389 U CN201721537389 U CN 201721537389U CN 207634624 U CN207634624 U CN 207634624U
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- China
- Prior art keywords
- planetary gear
- gear
- sun gear
- speed reducer
- carrier
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 61
- 238000009434 installation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The cartridge type planet-gear speed reducer of the utility model,Motor output shaft stretches into the decelerator body body and is connected with the first sun gear of passing power of working in coordination,First planetary gear,First planetary gear carrier,Second sun gear,Second planetary gear,Second planetary gear carrier,Motor output shaft is hollow shaft,Second planetary gear carrier,Second sun gear,First sun gear center all axis holes with front and back perforation,Axis hole is connected to hollow shaft inner cavity,The power of motor output is transmitted to the second planetary gear carrier through secondary planetary gear and sun gear drive mechanism,From speed reducer rear end face output torque,The second planetary gear carrier can also be passed through,The front and back axis hole penetrated through in second sun gear center and core motor output shaft,Transfer torque to the output of speed reducer front end,Speed reducer both ends are realized simultaneously to both direction output torque.
Description
Technical field
The utility model is related to a kind of cartridge type planet-gear speed reducers.
Background technology
Often rotating speed need to be matched between prime mover and working machine or executing agency, pass in machine industry by speed reducer
Torque is passed, to reduce rotating speed, increase torque；And planet-gear speed reducer is small with its, transmission efficiency, reduction range are wide,
Many advantages, such as precision is high, to be widely used in the transmission systems such as servo motor, stepper motor, direct current generator；Tradition
Planet-gear speed reducer can only can not achieve both direction forwards, backwards while exporting torsion from one end to a direction output torque
Square.
Invention content
Technical problem to be solved by the utility model is to provide one kind can speed reducer torque be output to deceleration simultaneously
The cartridge type planet-gear speed reducer of machine left and right ends.
The cartridge type planet-gear speed reducer of the utility model, including reducer shell, it is characterised in that：The decelerator body
Body rear end face is provided with end cap, and end cap is circular ring shape, and the second planetary gear carrier is equipped with by fourth bearing on cover internal,
Second planetary gear carrier leading portion stretches into inside reducer shell, passes through in the second planetary gear carrier leading portion outer ring installing arm
Two bearings are equipped with the second planetary gear, and the second sun gear, the second planet are equipped with by second bearing on inner ring installation base
Gear is engaged with the second sun gear；
Reducer shell front end is connect with motor, and motor output shaft is connected with the first sun gear by spline fitted, and first
Sun gear engagement is connected with the first planetary gear, and the first planetary gear is fixedly mounted on the first planetary gear branch by first bearing
On frame, the first planetary gear carrier is connect with the second sun gear leading portion spline fitted by internal spline and transmits torque；
There is inner toothed surface, the first planetary gear, the second planetary gear while and the decelerator body on reducer shell inner surface
Internal flank engagement；
Motor output shaft is hollow shaft, before the second planetary gear carrier, the second sun gear, the first sun gear center all have
The axis hole penetrated through afterwards, the second planetary gear carrier, the axis hole of the second sun gear are connected to the hollow lumen of motor output shaft；
Second planetary gear carrier, the axis hole of the second sun gear and motor output shaft are co-axially mounted；
The shaft hole diameter of second sun gear is more than the installation base outer diameter of the second planetary gear carrier；
The connection bearing both sides of the end cap and the second planetary gear carrier are both provided with the hole bullet for fixing bearing
Property baffle ring.
The cartridge type planet-gear speed reducer of the utility model, the power of motor output is through secondary planetary gear and the sun
Wheel drive mechanism is transmitted to the second planetary gear carrier, from the second planetary gear carrier rear end face output torque, can also pass through
Second planetary gear carrier, the front and back axis hole penetrated through in the second sun gear center and core motor output shaft, transfer torque to and subtract
Fast machine front end output, realizes speed reducer both ends simultaneously to both direction output torque.
Description of the drawings
Fig. 1 is the cartridge type planet-gear speed reducer planar structure schematic diagram of the utility model embodiment.
Specific implementation mode
As shown, a kind of cartridge type planet-gear speed reducer, including reducer shell 3,3 rear end face of reducer shell
It is provided with end cap 8, end cap 8 is circular ring shape, and the second planetary gear carrier 7 is equipped with by fourth bearing 12 on 8 inside of end cap, the
Two planetary gear carriers, 7 leading portion stretches into inside reducer shell 3, passes through in 7 leading portion outer ring installing arm of the second planetary gear carrier
Second bearing 10 is equipped with the second planetary gear 6, and the second sun gear 13 is equipped with by second bearing 10 on inner ring installation base,
Second planetary gear 6 is engaged with the second sun gear 13.
3 front end of reducer shell is connect with motor, and motor output shaft 1 is connected with the first sun gear 2 by spline fitted, the
The engagement of one sun gear 2 is connected with the first planetary gear 4, and the first planetary gear 4 is fixedly mounted on the first planet by first bearing 9
On gear stand 5,5 inner surface of the first planetary gear carrier is connect with 13 leading portion outer circumference surface of the second sun gear by spline fitted
And transmit torque；Motor power through secondary planetary gear after the output of motor output shaft 1 by being transmitted to the second planetary gear carrier 7
On, through the second planetary gear carrier 7 to speed reducer rear end output torque.
There is inner toothed surface, the first planetary gear 4, the second planetary gear 6 while and speed reducer on 3 inner surface of reducer shell
The inner toothed surface of shell 3 engages；Motor output shaft 1 transmits power to the first sun gear 2, and driving the first sun gear 2 rotation, which is transmitted, to be turned round
Square, the engagement of the first sun gear 2 drives the rotation of the first planetary gear 4, along speed reducer while the first planetary gear 4 is around axle center rotation
3 inner toothed surface of shell revolves round the sun, and to drive the first planetary gear carrier 5 to be rotated around axle center, the second sun gear 13 is with the first planet tooth
Wheel support 5 rotates simultaneously；Second sun gear 13 is engaged with the second planetary gear 6 drives the second planetary gear 6 around axle center rotation, the
Two planetary gears 6 also revolve round the sun along 3 inner toothed surface of reducer shell simultaneously, and the second planetary gear 6 drives the second planet while revolution
Output torque is transmitted in the rotation of gear stand 7.
Further, motor output shaft 1 is hollow shaft, the second planetary gear carrier 7, the second sun gear 13, first sun
Take turns 2 centers all axis holes with front and back perforation, the second planetary gear carrier 7, the axis hole of the second sun gear 13 and motor output shaft 1
Hollow lumen connection, the hollow lumen of motor output shaft 1 can be passed through to speed reducer by 7 axis hole of the second planetary gear carrier
Front end output torque.
Second planetary gear carrier 7, the axis hole of the second sun gear 13 and motor output shaft 1 are co-axially mounted, and improve mechanism fortune
Row stationary performance.
The shaft hole diameter of second sun gear 13 is more than the installation base outer diameter of the second planetary gear carrier 7, the second planet tooth
The second sun gear 13 transmission effect is not interfered with when wheel support 7 is to speed reducer front end output torque.
8 end face of end cap has the limiting plate blocked on 7 end face of the second planetary gear carrier that extends internally, and improves mechanism and connects
Connect reliability；The limited block of 7 end face of the second planetary gear carrier is provided perpendicular on second planetary gear carrier, 7 end face, into
One step improves mechanism connection reliability.
The connection bearing both sides of end cap 8 and the second planetary gear carrier 7 are both provided with the hole elasticity for fixing bearing
Baffle ring, circlip constitute ring structure so that speed reducer internal lubricating system constitutes sealing space.
The cartridge type planet-gear speed reducer of the utility model, the power of motor output is through secondary planetary gear and the sun
Wheel drive mechanism is transmitted to the second planetary gear carrier, from the second planetary gear carrier rear end face output torque, can also pass through
Second planetary gear carrier, the front and back axis hole penetrated through in the second sun gear center and core motor output shaft, transfer torque to and subtract
Fast machine front end output, realizes speed reducer both ends simultaneously to both direction output torque.
The cartridge type planet-gear speed reducer specific embodiment of the utility model：
Basic structure：Speed reducer front end is connected with motor rear end by connecting straight mouth, the motor output shaft 1 of hollow shaft structure
It is connected by the internal spline cooperation of external splines and the first sun gear 2, the first planetary gear 4 is fixed on the by first bearing 9
On one planetary gear carrier 5, the second planetary gear 6 is fixed on by second bearing 10 on the second planetary gear carrier 7, the second row
Star gear stand 7 is fixed on by fourth bearing 12 and second bearing 10 on rear end cap 8 and the second sun gear 13；Second planet tooth
Wheel support 7 is hollow sting, and motor output shaft 1 is hollow shaft, and the first sun gear member 2 and the second sun gear 13 are hollow internal spline
Gear, reducer shell are hollow shell, and material is thus formed hollow speed reducers.
Hollow speed reducer operation principle：Motor output shaft 1 transfers torque to the first sun gear of speed reducer 2, first sun
Wheel 2 transfers torque to the first planetary gear 4, and the first planetary gear 4 transfers torque to the first planetary gear carrier 5, and first
Planetary gear carrier 5 transfers torque to the second sun gear 13, and the second sun gear 13 transfers torque to the second planetary gear 6,
Second planetary gear 6 transfers torque to the second planetary gear carrier 7, and reduction box is by the second planetary gear carrier 7 from deceleration
Machine rear end output torque, and can realize and torque is transmitted to front end by speed reducer central hollow position, it realizes before speed reducer
Both ends while output torque afterwards；1 grade of deceleration, 2 grades of decelerations, multi-stage speed-reducings can be achieved speed reducer rear and front end and export torsion simultaneously
Square.
Advantage：Rear and front end may be implemented with output torque simultaneously in hollow shaft planet-gear speed reducer；Speed reducer output is turned round
Square is exported by the second planetary gear carrier 7 from speed reducer rear end.It can will be turned round by speed reducer central hollow position simultaneously
Square is connected by output shaft with the second planetary gear 2, and speed reducer front end is transmitted to by output shaft, to realize that speed reducer torque is same
When be output to speed reducer rear and front end, rear and front end can be achieved with output torque simultaneously in multistage speed reducer.
Claims (4)
1. a kind of cartridge type planet-gear speed reducer, including reducer shell（3）, it is characterised in that：Reducer shell（3）Afterwards
End face is provided with end cap（8）, end cap（8）For circular ring shape, end cap（8）Pass through fourth bearing on inside（12）Second planet is installed
Gear stand（7）, the second planetary gear carrier（7）Leading portion stretches into reducer shell（3）Inside, the second planetary gear carrier（7）
Pass through second bearing in the installing arm of leading portion outer ring（10）Second planetary gear is installed（6）, pass through second on inner ring installation base
Bearing（10）Second sun gear is installed（13）, the second planetary gear（6）With the second sun gear（13）Engagement；
Reducer shell（3）Front end is connect with motor, motor output shaft（1）It is connected with the first sun gear by spline fitted（2）,
First sun gear（2）Engagement is connected with the first planetary gear（4）, the first planetary gear（4）Pass through first bearing（9）It is fixedly mounted
In the first planetary gear carrier（5）On, the first planetary gear carrier（5）Pass through internal spline and the second sun gear（13）Leading portion spline
It is connected and transmits torque；
Reducer shell（3）There is inner toothed surface, the first planetary gear on inner surface（4）, the second planetary gear（6）Simultaneously with deceleration
Casing body（3）Inner toothed surface engages；
Motor output shaft（1）For hollow shaft, the second planetary gear carrier（7）, the second sun gear（13）, the first sun gear（2）In
The heart all axis holes with front and back perforation, the second planetary gear carrier（7）, the second sun gear（13）Axis hole and motor output shaft
（1）Hollow lumen connection.
2. cartridge type planet-gear speed reducer according to claim 1, it is characterised in that：Second planetary gear carrier
（7）, the second sun gear（13）Axis hole and motor output shaft（1）It is co-axially mounted.
3. cartridge type planet-gear speed reducer according to claim 1, it is characterised in that：Second sun gear（13）'s
Shaft hole diameter is more than the second planetary gear carrier（7）Installation base outer diameter.
4. cartridge type planet-gear speed reducer according to claim 1, it is characterised in that：The end cap（8）With the second row
Star gear stand（7）Connection bearing both sides be both provided with the circlip for hole for fixing bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721537389.9U CN207634624U (en) | 2017-11-17 | 2017-11-17 | A kind of cartridge type planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721537389.9U CN207634624U (en) | 2017-11-17 | 2017-11-17 | A kind of cartridge type planet-gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634624U true CN207634624U (en) | 2018-07-20 |
Family
ID=62857542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721537389.9U Active CN207634624U (en) | 2017-11-17 | 2017-11-17 | A kind of cartridge type planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517829A (en) * | 2022-02-25 | 2022-05-20 | 佛山市三水威强科技有限公司 | Planetary gear reduction gearbox with self-control lubricating effect |
-
2017
- 2017-11-17 CN CN201721537389.9U patent/CN207634624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517829A (en) * | 2022-02-25 | 2022-05-20 | 佛山市三水威强科技有限公司 | Planetary gear reduction gearbox with self-control lubricating effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee after: Hangke Automobile (Zhenjiang) Co.,Ltd. Country or region after: China Address before: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee before: HANGKE AUTOMOTIVE CHASSIS SYSTEM (ZHENJIANG) CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |