CN220332461U - Novel in-wheel motor driving electric wheel - Google Patents
Novel in-wheel motor driving electric wheel Download PDFInfo
- Publication number
- CN220332461U CN220332461U CN202321653621.0U CN202321653621U CN220332461U CN 220332461 U CN220332461 U CN 220332461U CN 202321653621 U CN202321653621 U CN 202321653621U CN 220332461 U CN220332461 U CN 220332461U
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- rotor
- motor
- wheel
- stator
- motor shaft
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- 229920001967 Metal rubber Polymers 0.000 claims abstract description 23
- 241001247986 Calotropis procera Species 0.000 claims description 6
- 238000013016 damping Methods 0.000 abstract description 12
- 239000000725 suspension Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses a novel in-wheel motor driving electric wheel, which comprises a disc motor, a rim and a vibration damper, wherein the disc motor consists of a left half rotor, a left half rotor bearing, a motor shaft, a metal rubber bushing, a rotor bolt group, a stator, a right half rotor and a right half rotor bearing; the rim is fixed with the left half rotor through a hub nut; the vibration damping device comprises a stator vibration damping device and a vehicle vibration damping device. The disc type motor is adopted for driving the electric wheel by the motor in the wheel, so that the influence of vertical unbalanced electromagnetic force generated by the change of the air gap between the motor stator and the motor rotor on the running smoothness and riding comfort of the vehicle can be reduced; the vibration transmitted to the stator and the vehicle body by the motor shaft can be reduced by adopting the metal rubber bushing; the stator vibration reduction device can reduce the problem of non-yellow load mass increase caused by in-wheel motor driving, and reduce vibration transmitted to a vehicle body by a stator.
Description
Technical Field
The utility model belongs to the technical field of electric automobiles, and relates to a novel in-wheel motor driving electric wheel and a vibration reduction device thereof.
Background
Because of the special driving mode of the in-wheel motor driven automobile, the unsprung mass of the automobile is increased by adopting the in-wheel motor driving, so that the acceleration transmitted to a human body is increased, the possibility that a suspension impacts a limiting block is increased, the running smoothness of the automobile is reduced, the air gap between a stator and a rotor of the in-wheel motor is changed due to the unevenness of a road surface, unbalanced electromagnetic force is generated, and the running smoothness and riding comfort of the automobile are further deteriorated. At present, the research direction of vibration reduction of an in-wheel motor driven electric automobile is mainly based on a radial motor, the influence of vehicle vibration and unbalanced electromagnetic force on the running smoothness and riding comfort of the vehicle is reduced by optimizing the motor installation position or adopting an active suspension, and the related research of axial motor driving on the in-wheel motor driven electric automobile is less.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a novel in-wheel motor driving electric wheel and a vibration reduction device thereof aiming at the defects of the prior art.
The technical scheme adopted by the utility model is as follows: the utility model provides a novel in-wheel motor drives electric wheel and vibration damper thereof, includes disc motor, rim and vibration damper, disc motor comprises left half rotor, wheel hub bearing, left half rotor bearing, motor shaft, metal rubber bush, rotor bolt group, stator, right half rotor and right half rotor bearing, left half rotor passes through left half rotor bearing and is connected with the motor shaft, the motor shaft left end passes through wheel hub bearing and is connected with the rim, motor shaft right-hand member and knuckle fixed connection, and installs metal rubber bush on the motor shaft, right half rotor passes through right half rotor bearing and is connected with the stator, stator and metal rubber bush pass through the connection pad screw jointly and are fixed with the connection pad, the rim passes through wheel hub nut and is fixed with left half rotor; the vibration damping device comprises a stator vibration damping device and a vehicle vibration damping device.
As a preferable scheme of the utility model, the rotor consists of a left half rotor and a right half rotor, the left end face of the left half rotor is provided with a connecting bolt, the right end face of the left half rotor and the left end face of the right half rotor are provided with screw holes, and the left half rotor and the right half rotor are fixedly connected through a rotor bolt group.
As a preferable scheme of the utility model, one end of the motor shaft is provided with threads, and the threaded end of the motor shaft penetrates through the steering knuckle and is fixedly connected with the steering knuckle through a steering knuckle nut.
As a preferable scheme of the utility model, the motor shaft is provided with a shaft shoulder, the metal rubber bushing is positioned and installed through the shaft shoulder of the motor shaft, one end of the metal rubber bushing is provided with a bulge, and the stator is positioned and installed through the bulge of the metal rubber bushing.
As a preferred embodiment of the present utility model, the stator damper is connected to the connection disc through a stator damper bolt group, and the vehicle damper is connected to the knuckle through a vehicle damper bolt group.
The utility model has the beneficial effects that: the utility model provides a novel in-wheel motor driving electric wheel and a vibration damping device thereof, wherein the in-wheel motor driving electric wheel adopts a disc motor, so that the influence of vertical unbalanced electromagnetic force generated by the change of air gaps of a motor stator and a motor rotor on the running smoothness and riding comfort of a vehicle can be reduced; the vibration transmitted to the stator and the vehicle body by the motor shaft can be reduced by adopting the metal rubber bushing; the stator vibration reduction device can reduce the problem of non-yellow load mass increase caused by in-wheel motor driving, and reduce vibration transmitted to a vehicle body by a stator.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
fig. 2 is an exploded view of the overall structure of the present utility model.
In the figure: 1-a hub nut; 2-rim; 3-left half rotor; 4-a hub bearing; 5-left half rotor bearing; 6-a motor shaft; 7-a metal rubber bushing; 8-a rotor bolt set; 9-a stator; 10-right half rotor; 11-right half rotor bearing; 12-connecting disc; 13-stator damper bolt sets; 14-a stator vibration damper; 15-a vehicle vibration damper; 16-a vehicle damper bolt set; 17-knuckle nut; 18-knuckle; 19-a connecting disc screw.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
As shown in fig. 1 to 2, the utility model provides a novel in-wheel motor driving electric wheel and a vibration damping device thereof, comprising a disc motor, a rim (2) and a vibration damping device, wherein the disc motor consists of a left half rotor (3), a hub bearing (4), a left half rotor bearing (5), a motor shaft (6), a metal rubber bushing (7), a rotor bolt group (8), a stator (9), a right half rotor (10) and a right half rotor bearing (11), the left half rotor (3) is connected with the motor shaft (6) through the left half rotor bearing (5), the left end of the motor shaft (6) is connected with the rim (2) through the hub bearing (4), the right end of the motor shaft (6) is fixedly connected with a steering knuckle (18), the motor shaft (6) is provided with the metal rubber bushing (7), the right half rotor (10) is connected with the stator (9) through the right half rotor bearing (11), and the stator (9) and the metal rubber bushing (7) are jointly fixed with a connecting disc (12) through screws (19); the rim (2) is fixed with the left half rotor (3) through a hub nut (1); the vibration damping device comprises a stator vibration damping device (14) and a vehicle vibration damping device (15).
The rotor comprises a left rotor half (3) and a right rotor half (10), connecting bolts are arranged on the left end face of the left rotor half (3), screw holes are formed in the right end face of the left rotor half (3) and the left end face of the right rotor half (10), and the left rotor half (3) and the right rotor half (10) are fixedly connected through a rotor bolt set (8).
One end of the motor shaft (6) is provided with threads, and the threaded end of the motor shaft (6) penetrates through the steering knuckle (18) and is fixedly connected with the steering knuckle (18) through a steering knuckle nut (17).
The motor shaft (6) is provided with a shaft shoulder, the metal rubber bushing (7) is installed through the shaft shoulder of the motor shaft (6) in a positioning mode, one end of the metal rubber bushing (7) is provided with a protrusion, and the stator (9) is installed through the protrusion of the metal rubber bushing (7) in a positioning mode.
The stator vibration damper (14) is connected with the connecting disc (12) through the stator vibration damper bolt group (13), and the vehicle vibration damper (15) is connected with the steering knuckle (17) through the vehicle vibration damper bolt group (16).
The working process of the utility model is as follows: when the motor drive current in the wheel is given, the left half rotor (3) and the right half rotor (10) jointly generate electromagnetic torque and are transmitted to the wheel, when the electric wheel is excited by a road surface to generate vibration, the metal rubber bushing (7) can absorb the vibration of the motor shaft (6) caused by the unevenness of the road surface, the vibration of the motor shaft (6) transmitted to the stator (9) and the vehicle body is reduced, the mass of the stator (9) is converted into sprung mass through a stator suspension form formed by the stator vibration damper (14), and the problem that the running smoothness and riding comfort of the vehicle are poor due to the increase of the sprung mass caused by the motor drive in the wheel is relieved, and meanwhile, the vibration of the stator (9) transmitted to the vehicle body is reduced.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (4)
1. The utility model provides a novel motor drive electric wheel in wheel which characterized in that: including disk motor, rim (2) and vibration damper, disk motor comprises half left rotor (3), wheel hub bearing (4), half left rotor bearing (5), motor shaft (6), metal rubber bush (7), rotor bolt group (8), stator (9), half right rotor (10) and half right rotor bearing (11), half left rotor (3) are connected with motor shaft (6) through half left rotor bearing (5), the left end of motor shaft (6) is connected with rim (2) through wheel hub bearing (4), motor shaft (6) right-hand member and knuckle (18) fixed connection, and install metal rubber bush (7) on motor shaft (6), half right rotor (10) are connected with stator (9) through half right rotor bearing (11), stator (9) and metal rubber bush (7) are fixed through connection pad screw (19) and connection pad (12) jointly, rim (2) are fixed with half left rotor (3) through wheel hub nut (1).
2. The novel in-wheel motor-driven electric wheel according to claim 1, wherein: the rotor comprises a left rotor half (3) and a right rotor half (10), connecting bolts are arranged on the left end face of the left rotor half (3), screw holes are formed in the right end face of the left rotor half (3) and the left end face of the right rotor half (10), and the left rotor half (3) and the right rotor half (10) are fixedly connected through a rotor bolt set (8).
3. The novel in-wheel motor-driven electric wheel according to claim 1, wherein: one end of the motor shaft (6) is provided with threads, and the threaded end of the motor shaft (6) penetrates through the steering knuckle (18) and is fixedly connected with the steering knuckle (18) through a steering knuckle nut (17).
4. The novel in-wheel motor-driven electric wheel according to claim 1, wherein: the motor shaft (6) is provided with a shaft shoulder, the metal rubber bushing (7) is installed through the shaft shoulder of the motor shaft (6) in a positioning mode, one end of the metal rubber bushing (7) is provided with a protrusion, and the stator (9) is installed through the protrusion of the metal rubber bushing (7) in a positioning mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653621.0U CN220332461U (en) | 2023-06-28 | 2023-06-28 | Novel in-wheel motor driving electric wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653621.0U CN220332461U (en) | 2023-06-28 | 2023-06-28 | Novel in-wheel motor driving electric wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220332461U true CN220332461U (en) | 2024-01-12 |
Family
ID=89457407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321653621.0U Active CN220332461U (en) | 2023-06-28 | 2023-06-28 | Novel in-wheel motor driving electric wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220332461U (en) |
-
2023
- 2023-06-28 CN CN202321653621.0U patent/CN220332461U/en active Active
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