CN208393083U - Used in new energy vehicles integrated form deceleration differential braking motor - Google Patents
Used in new energy vehicles integrated form deceleration differential braking motor Download PDFInfo
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- CN208393083U CN208393083U CN201820673947.2U CN201820673947U CN208393083U CN 208393083 U CN208393083 U CN 208393083U CN 201820673947 U CN201820673947 U CN 201820673947U CN 208393083 U CN208393083 U CN 208393083U
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- differential
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- gear
- friction plate
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 17
- 210000003781 tooth socket Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The utility model relates to a kind of used in new energy vehicles integrated form deceleration differential braking motors for new source automotive powerplant.It includes motor, planet-gear speed reducer and differential mechanism；The output shaft of motor is hollow shaft；Planet-gear speed reducer includes sun gear, planetary gear, planetary wheel carrier and ring gear, sun gear is rotated with output shaft, ring gear is fixedly connected with the case nose of motor, be provided between sun gear and ring gear with both the planetary gear that is meshed, planetary gear be mounted on on planetary wheel carrier；Differential mechanism includes that differential casing, box of tricks and a pair of of differential output axle shaft, differential casing are fixedly connected on planetary wheel carrier front end face；One in a pair of of the differential output axle shaft centre bore for extending back and passing through motor output shaft, another extends forward；The utility model can integrate multiple functions, and compact-sized, running precision and high reliablity.
Description
Technical field
The utility model relates to a kind of used in new energy vehicles integrated form deceleration differential systems for new-energy automobile power device
Dynamic motor.
Background technique
The vehicle-bridge system of new-energy automobile generally include for power is provided motor, be connected to motor speed reducer, use
To realize differential mechanism, the brake apparatus for being braked to vehicle of left and right wheels rotational speed difference in steering.These part devices
Usually relatively independent product is respectively then assembled into entire Vehicular system after independent manufacture, and defect is: 1, occupied space
Greatly, it is unfavorable for the effective use of vehicle space；2, assembling process is complicated, not only reduces production efficiency, and whole system
Assembly precision is not easy to guarantee.
Summary of the invention
The technical problem to be solved by the invention is to provide one kind can integrate power output, deceleration, differential, braking etc.
Function, and the used in new energy vehicles integrated form deceleration differential braking motor of compact-sized, running precision and high reliablity.
Used in new energy vehicles integrated form deceleration differential braking motor of the invention includes motor, planet-gear speed reducer, difference
Fast device；The output shaft of the motor is a hollow shaft；The planet-gear speed reducer includes sun gear, planetary gear, row
Star wheel frame and ring gear, the sun gear are mounted on the output shaft of motor and rotate with output shaft, and the ring gear is coaxial
It covers in sun gear periphery and is fixedly connected with the case nose of motor, is provided between sun gear and ring gear and the two
The planetary gear being meshed, planetary gear are mounted on coaxial with sun gear and can be on the planetary wheel carrier of relative rotation；The difference
Fast device includes differential casing, the box of tricks in differential carrier body and a pair of of differential output axle shaft, the differential mechanism
Shell is fixedly connected on planetary wheel carrier front end face；One in a pair of of differential output axle shaft extends back and passes through motor
The centre bore of output shaft, another extends forward.
The differential mechanism periphery is equipped with brake, and brake includes brake casing, end cap, brake piston, static friction
Piece and movable friction plate；The brake casing back segment inner wall is coaxially connected by bearing and the planetary wheel carrier, brake casing
The end cap of front end connection annular；The brake piston of brake casing inside middle portion setting annular, brake piston are outer by its middle part
The closed braking oil pocket enclosed is connect with the brake pipe on brake casing, and the intracavitary oil pressure of brake oil can live by braking
The pressure-bearing surface of plug inside pushes forward brake piston；It is provided with pressure spring between the front end face and end cap of brake piston, pressure spring
Spring force can push backward brake piston；Static friction plate and movable friction plate it is spaced and parallel setting brake piston rear end face with
Between the limited step at differential casing rear portion；Static friction plate outer ring is coupled with brake casing inner wall, and can relative axle
It is limited simultaneously in circumferencial direction to mobile；The outer wall of movable friction plate inner ring and differential casing is coupled, and can be to axial
It moves and transmits torque.
By axial tooth socket fit between the static friction plate outer ring and brake casing inner wall, make static friction plate can phase
Brake casing is moved axially and is limited simultaneously in circumferencial direction；Between the movable friction plate inner ring and differential casing outer wall
By axial tooth socket fit, it move axially movable friction plate can with respect to differential casing and transmit torque.
The differential casing is connect by bearing with end cap inner ring.
The forward and backward side of the braking oil pocket is respectively by close between brake piston outer wall and brake casing inner wall
Seal sealing.
The planetary gear have it is circumferential multiple, to improve bearing capacity.
The utility model is by the way that by motor, speed reducer, differential mechanism and brake coaxial package, multiple system functions are integrated
In one apparatus, compact overall structure substantially reduces space hold；Simultaneously because package unit integrated installation, saves
Vehicle install debug time when assembled, improves packaging efficiency, also improves assembly precision.
Detailed description of the invention
Fig. 1 is the axial schematic cross-sectional view of the utility model embodiment.
Specific embodiment
As shown, the used in new energy vehicles integrated form deceleration differential braking motor includes motor 1, planet-gear speed reducer
2 and differential mechanism 3, brake 4；The output shaft 11 of motor is a hollow shaft；Planet-gear speed reducer 2 include sun gear 21,
Planetary gear 22, planetary wheel carrier 23 and ring gear 24, the sun gear 21 are mounted on the output shaft 11 of motor and with output
Axis rotation, 24 coaxial sleeve of ring gear is fixedly connected in 21 periphery of sun gear and with the case nose of motor 1, in sun gear 21
The planetary gear 22 being meshed with the two is provided between ring gear 24, planetary gear 22 is mounted on coaxial with sun gear 21
And it can be on the planetary wheel carrier 23 of relative rotation；The differential mechanism 3 includes differential casing 31, the differential in differential carrier body
Mechanism 32 and a pair of of differential output axle shaft 33, the differential casing 31 is fixedly connected on 23 front end face of planetary wheel carrier；It is described
A pair of of differential output axle shaft 33 in a centre bore for extending back and passing through motor output shaft 11, the output of another differential
Semiaxis extends forward.
3 periphery of differential mechanism is coaxially installed with brake 4, and brake includes brake casing 41, end cap 42, brake piston
43, static friction plate 44 and movable friction plate 45；The 41 back segment inner wall of brake casing is coaxially connected by bearing with planetary wheel carrier 23
It connects, the end cap 42 of 41 front end of brake casing connection annular；The brake piston 43 of 41 inside middle portion of brake casing setting annular,
Brake piston is connect by the closed braking oil pocket 46 of its middle part periphery with the brake pipe 47 on brake casing, brake oil
Intracavitary oil pressure can push forward brake piston by the pressure-bearing surface of 43 inside of brake piston；The front end face of brake piston 43
Pressure spring 48 is provided between end cap, the spring force of pressure spring can push backward brake piston 43；Static friction plate 44 is rubbed with dynamic
Between the spaced and parallel limited step that 31 rear portion of 43 rear end face of brake piston and differential casing is set of pad 45；Static friction plate
44 outer rings are coupled with 41 inner wall of brake casing, and can be moved to axial while be limited in circumferencial direction；Movable friction plate
The outer wall of 45 inner rings and differential casing 31 is coupled, and can be moved to axial and be transmitted torque.Pressure spring 48 pushes braking
When piston 43 moves backward, brake piston squeezes kinematics and static friction piece, realizes braking；Release braking when, by brake pipe 47 to
It brakes and is pressed into hydraulic oil in oil pocket 46, brake piston is pushed forward, discharge kinematics and static friction piece.
By axial tooth socket fit between 41 inner wall of static friction plate outer ring 44 and brake casing, make static friction plate 44 can
The axial movement of relative brake device shell 41 is limited in circumferencial direction simultaneously；45 inner ring of movable friction plate and 31 outer wall of differential casing it
Between also by axial tooth socket fit, so that movable friction plate 45 the opposite axial movement of differential casing 31 and torque can be transmitted.Differential
Shell 33 is connect by bearing with 42 inner ring of end cap.The forward and backward side for braking oil pocket 46 is respectively by being located at 43 outer wall of brake piston
Sealing ring 49 between 41 inner wall of brake casing seals.
Planetary gear 22 have it is circumferential multiple, to improve bearing capacity.
Claims (6)
1. a kind of used in new energy vehicles integrated form deceleration differential braking motor, it is characterized in that: including motor (1), planetary gear reduction
Fast machine (2) and differential mechanism (3)；The output shaft (11) of motor is a hollow shaft；Planet-gear speed reducer (2) includes sun gear
(21), planetary gear (22), planetary wheel carrier (23) and ring gear (24), the sun gear (21) are mounted on the output shaft of motor
(11) it is rotated on and with output shaft, ring gear (24) coaxial sleeve case nose peripheral and with motor (1) in sun gear (21)
It is fixedly connected, the planetary gear (22) being meshed with the two, planet is provided between sun gear (21) and ring gear (24)
Gear (22) is mounted on coaxial with sun gear (21) and can be on the planetary wheel carrier (23) of relative rotation；Differential mechanism (3) packet
Differential casing (31), the box of tricks (32) in differential carrier body and a pair of of differential output axle shaft (33) are included, it is described
Differential casing (31) is fixedly connected on planetary wheel carrier (23) front end face；One in a pair of of differential output axle shaft (33)
The centre bore of motor output shaft (11) is extended back and passes through, another differential output axle shaft extends forward.
2. used in new energy vehicles integrated form deceleration differential braking motor according to claim 1, it is characterized in that: differential mechanism (3)
Periphery is equipped with brake (4), and brake includes brake casing (41), end cap (42), brake piston (43), static friction plate
(44) and movable friction plate (45)；Brake casing (41) the back segment inner wall is coaxially connected by bearing and planetary wheel carrier (23),
The end cap (42) of brake casing (41) front end connection annular；The brake piston of brake casing (41) inside middle portion setting annular
(43), the brake pipe (47) on closed braking oil pocket (46) and brake casing that brake piston passes through its middle part periphery is even
It connects, the intracavitary oil pressure of brake oil can push forward brake piston by the pressure-bearing surface on the inside of brake piston (43)；Braking is lived
It fills in and is provided with pressure spring (48) between the front end face and end cap of (43), the spring force of pressure spring can be by brake piston (43) to pusher
It is dynamic；Static friction plate (44) and the spaced and parallel setting of movable friction plate (45) are in brake piston (43) rear end face and differential casing (31)
Between the limited step at rear portion；Static friction plate (44) outer ring is coupled with brake casing (41) inner wall, and can be to axial
It is mobile to be limited simultaneously in circumferencial direction；Movable friction plate (45) inner ring and the outer wall of differential casing (31) are coupled, and can phase
To moving axially and transmit torque.
3. used in new energy vehicles integrated form deceleration differential braking motor according to claim 2, it is characterized in that: outside static friction plate
It encloses between (44) and brake casing (41) inner wall through axial tooth socket fit, makes static friction plate (44) can relative brake device shell
Body (41) axial movement is limited in circumferencial direction simultaneously；Also lead between movable friction plate (45) inner ring and differential casing (31) outer wall
Axial tooth socket fit is crossed, move axially movable friction plate (45) can with respect to differential casing (31) and transmits torque.
4. used in new energy vehicles integrated form deceleration differential braking motor according to claim 2, it is characterized in that: braking oil pocket
(46) forward and backward side passes through the sealing ring (49) between brake piston (43) outer wall and brake casing (41) inner wall respectively
Sealing.
5. used in new energy vehicles integrated form deceleration differential braking motor according to claim 2, it is characterized in that: differential casing
(31) it is connect by bearing with end cap (42) inner ring.
6. used in new energy vehicles integrated form deceleration differential braking motor according to claim 1 or 2, it is characterized in that: planet tooth
(22) are taken turns with circumferential multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673947.2U CN208393083U (en) | 2018-05-08 | 2018-05-08 | Used in new energy vehicles integrated form deceleration differential braking motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673947.2U CN208393083U (en) | 2018-05-08 | 2018-05-08 | Used in new energy vehicles integrated form deceleration differential braking motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208393083U true CN208393083U (en) | 2019-01-18 |
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ID=65062105
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820673947.2U Active CN208393083U (en) | 2018-05-08 | 2018-05-08 | Used in new energy vehicles integrated form deceleration differential braking motor |
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| Country | Link |
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| CN (1) | CN208393083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674158A (en) * | 2018-05-08 | 2018-10-19 | 航科汽车底盘***（镇江）有限公司 | Used in new energy vehicles integrated form deceleration differential braking motor |
-
2018
- 2018-05-08 CN CN201820673947.2U patent/CN208393083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674158A (en) * | 2018-05-08 | 2018-10-19 | 航科汽车底盘***（镇江）有限公司 | Used in new energy vehicles integrated form deceleration differential braking motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| 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 |