CN213383860U - Motor-driven four-wheel hub steering vehicle - Google Patents
Motor-driven four-wheel hub steering vehicle Download PDFInfo
- Publication number
- CN213383860U CN213383860U CN202022247373.2U CN202022247373U CN213383860U CN 213383860 U CN213383860 U CN 213383860U CN 202022247373 U CN202022247373 U CN 202022247373U CN 213383860 U CN213383860 U CN 213383860U
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
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Abstract
Motor drive four-wheel hub turns to vehicle, including the vehicle bottom dish, the left side of vehicle bottom dish is equipped with left front wheel and left rear wheel, and the right side of vehicle bottom dish is equipped with right front wheel and right rear wheel, and left front wheel adopts left front wheel hub motor to drive its rotation, and left rear wheel adopts left rear wheel hub motor to drive its rotation, and right front wheel adopts right front wheel hub motor to drive its rotation, the front side of the stator inner end of left front wheel hub motor links to each other with the outer end of left front sideslip screw shaft is articulated, and left front sideslip screw shaft sets up along controlling the horizontal direction, the inboard that lies in left front wheel hub motor on the vehicle bottom dish installs left front worm gear speed reducer. Its aim at provides one kind can reduce well low-speed radius that turns to, improves the stability that turns to at a high speed, reduces the wearing and tearing of traditional front axle two-wheeled mode to the rear axle two-wheeled, improves the life of tire, reduces use cost's motor drive four-wheel hub turns to vehicle.
Description
Technical Field
The utility model relates to a motor drive four-wheel hub turns to vehicle.
Background
The tire rotation angle of the existing mechanical vehicle only has a mechanical coupling relation with a steering wheel corner, a pneumatic or hydraulic power steering gear is mostly adopted for assisting in the steering process, the vehicle steering is realized by changing the rotation angle of two wheels of a front axle, the tire rotation angle cannot be controlled autonomously, and the rear wheel does not participate in the steering, and only the motion direction of the vehicle is tracked by friction, so the steering radius is larger, and the abrasion of the rear wheel is increased; most of electric wheel driven vehicles continue the steering mode of two wheels of a front axle of a traditional mechanical vehicle, a steering motor is adopted to replace an air pressure or hydraulic power steering gear, decoupling of a tire rotating angle and a steering wheel rotating angle is achieved, but the tires on the left side and the right side of the front axle are fixed on the same horizontal transmission shaft, the tire rotating angles are completely consistent, the tire rotating angles are not consistent with a theoretical optimal rotating angle, and the steering advantage of electric steering cannot be fully played.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can reduce well low-speed radius that turns to, improve the stability that turns to at a high speed, reduce the wearing and tearing of traditional front axle two-wheeled mode of turning to the rear axle two-wheeled, improve the life of tire, reduce use cost's motor drive four-wheel hub turns to the vehicle.
The utility model discloses motor-driven four-wheel hub steering vehicle, including the chassis, the left side of chassis is equipped with left front wheel and left rear wheel, and the right side of chassis is equipped with right front wheel and right rear wheel, and left front wheel adopts left front wheel in-wheel motor to drive its rotation, and left rear wheel adopts left rear wheel in-wheel motor to drive its rotation, and right front wheel adopts right front wheel in-wheel motor to drive its rotation, and right rear wheel adopts right rear wheel in-wheel motor to drive its rotation, the front side of the stator inner end of left front wheel in-wheel motor is articulated with the outer end of left front sideslip screw shaft, and left front sideslip screw shaft sets up along left and right horizontal direction, the chassis is located the inboard of left front wheel in-wheel motor and is installed left front worm gear reducer, and the periphery of the worm wheel of left front worm gear is located front and back vertical direction, and left front sideslip screw shaft passes the center of the worm gear reducer of left front, the worm of the left front worm gear speed reducer is in transmission connection with a left front steering motor, and the left front worm gear speed reducer and the left front steering motor are arranged on the chassis;
the front side of the inner end of a stator of the left rear wheel hub motor is hinged and connected with the outer end of a left rear transverse screw shaft, the left rear transverse screw shaft is arranged along the left-right horizontal direction, a left rear worm gear reducer is arranged on the chassis and positioned on the inner side of the left rear wheel hub motor, the circumferential surface of a worm wheel of the left rear worm gear reducer is positioned in the front-rear vertical direction, the left rear transverse screw shaft penetrates through the center of the worm wheel of the left rear worm gear reducer through threaded connection, a worm of the left rear worm gear reducer is in transmission connection with a left rear steering motor, and the left rear worm gear reducer and the left rear steering motor are arranged on the chassis;
the front side of the inner end of a stator of the right front wheel hub motor is hinged and connected with the outer end of a right front transverse screw shaft, the right front transverse screw shaft is arranged along the left-right horizontal direction, a right front worm gear speed reducer is arranged on the chassis and positioned on the inner side of the right front wheel hub motor, the circumferential surface of a worm wheel of the right front worm gear speed reducer is positioned in the front-back vertical direction, the right front transverse screw shaft penetrates through the center of the worm wheel of the right front worm gear speed reducer through threaded connection, a worm of the right front worm gear speed reducer is in transmission connection with a right front steering motor, and the right front worm gear speed reducer and the right front steering motor are arranged on the chassis;
the front side of the inner end of a stator of the right rear wheel hub motor is hinged to the outer end of a right rear transverse screw shaft, the right rear transverse screw shaft is arranged along the left-right horizontal direction, a right rear worm gear reducer is mounted on the inner side, located on the vehicle chassis, of the right rear wheel hub motor, the circumferential surface of a worm wheel of the right rear worm gear reducer is located in the front-rear vertical direction, the right rear transverse screw shaft penetrates through the center of the worm wheel of the right rear worm gear reducer through threaded connection, the worm of the right rear worm gear reducer is in transmission connection with a right rear steering motor, and the right rear worm gear reducer and the right rear steering motor are mounted on the vehicle chassis.
Preferably, the left front wheel is installed on the chassis through a left front wheel suspension, the left rear wheel is installed on the chassis through a left rear wheel suspension, the right front wheel is installed on the chassis through a right front wheel suspension, and the right rear wheel is installed on the chassis through a right rear wheel suspension.
Preferably, a storage battery pack is arranged on the chassis and is arranged in a battery compartment in the middle of the chassis.
The utility model discloses a motor drive four-wheel hub turns to vehicle, the turned angle of its left front wheel, left rear wheel, right front wheel and right rear wheel can be independent control respectively, the degree of freedom of control has been improved, a hardware basis is provided for optimizing steering angle setting, owing to have the mode of turning to control left front wheel, left rear wheel, right front wheel and right rear wheel respectively, the different application scenes from low-speed to high-speed have been covered, medium-low speed turns to the radius from this has been reduced, high-speed steering stability has been improved, and each mode of turning to can realize fast switch over, further promoted the steering effect; because the left front wheel, the left rear wheel, the right front wheel and the right rear wheel all have steering capacity, the left front wheel, the left rear wheel, the right front wheel and the right rear wheel synchronously participate in steering, the abrasion of a traditional front axle two-wheel steering mode to a rear axle two-wheel is reduced, the service life of the tire is prolonged, and the use cost is reduced. Therefore, the utility model discloses a motor drive four-wheel hub turns to vehicle has and can reduce well low-speed radius that turns to, improves the stability that turns to at a high speed, reduces the wearing and tearing of traditional front axle two-wheeled steering mode to the rear axle two-wheeled, improves the life of tire, reduces use cost's characteristics.
The following describes the motor-driven four-wheel hub-steering vehicle in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the working principle of the motor-driven four-wheel hub steering vehicle of the present invention;
fig. 2 is the structure diagram of the motor-driven four-wheel hub steering vehicle in the steering state.
Detailed Description
Referring to fig. 1 and 2, the motor-driven four-wheel hub steering vehicle of the present invention comprises a chassis 1, a left front wheel 2 and a left rear wheel 3 are disposed on the left side of the chassis 1, a right front wheel 4 and a right rear wheel 5 are disposed on the right side of the chassis, the left front wheel 2 is driven to rotate by a left front wheel hub motor, the left rear wheel 3 is driven to rotate by a left rear wheel hub motor, the right front wheel 4 is driven to rotate by a right front wheel hub motor, the right rear wheel 5 is driven to rotate by a right rear wheel hub motor, the front side of the inner end of the stator of the left front wheel hub motor is hinged to the outer end of the left front transverse screw shaft 6, the left front transverse screw shaft 6 is disposed along the left-right horizontal direction, a left front worm reducer 7 is mounted on the inner side of the left front wheel hub motor on the chassis 1, the circumferential surface of the worm wheel of the left front worm 7 is disposed in the front-rear direction, the left front transverse screw shaft 6 passes through the center of the left front worm reducer, the worm of the left front worm gear speed reducer 7 is in transmission connection with the left front steering motor 8, and the left front worm gear speed reducer 7 and the left front steering motor 8 are installed on the chassis 1;
when the front left steering motor is used, the worm of the front left worm gear reducer 7 is driven to rotate by the front left steering motor 8, so that the worm gear of the front left worm gear reducer 7 rotates, the front left transverse screw shaft 6 moves along the left-right horizontal direction, and under the dragging of the front left transverse screw shaft 6, the stator of the front left wheel hub motor also moves along with the front left transverse screw shaft, so that the front left wheel 2 is twisted in corresponding steering to change the moving direction of a vehicle.
The front side of the inner end of a stator of the left rear wheel hub motor is hinged and connected with the outer end of a left rear transverse screw shaft 9, the left rear transverse screw shaft 9 is arranged along the left-right horizontal direction, a left rear worm gear speed reducer 10 is installed on the chassis 1 and positioned on the inner side of the left rear wheel hub motor, the circumferential surface of a worm wheel of the left rear worm gear speed reducer 10 is positioned in the front-rear vertical direction, the left rear transverse screw shaft 9 penetrates through the center of the worm wheel of the left rear worm gear speed reducer 10 through threaded connection, a worm of the left rear worm gear speed reducer 10 is in transmission connection with a left rear steering motor 11, and the left rear worm gear speed reducer 10 and the left rear steering motor 11 are installed on the chassis 1;
when the steering mechanism is used, the worm of the left rear worm gear speed reducer 10 is driven to rotate by the left rear steering motor 11, so that the worm wheel of the left rear worm gear speed reducer 10 rotates, the left rear transverse screw shaft 9 moves along the left-right horizontal direction, and under the dragging of the left rear transverse screw shaft 9, the stator of the left front wheel hub motor also moves along with the left rear wheel hub motor, so that the left rear wheel 3 is twisted in corresponding steering to change the moving direction of a vehicle.
The front side of the inner end of a stator of the right front wheel hub motor is hinged and connected with the outer end of a right front transverse screw shaft 12, the right front transverse screw shaft 12 is arranged along the left-right horizontal direction, a right front worm gear speed reducer 13 is arranged on the chassis 1 and positioned on the inner side of the right front wheel hub motor, the circumferential surface of a worm wheel of the right front worm gear speed reducer 13 is positioned in the front-back vertical direction, the right front transverse screw shaft 12 penetrates through the center of the worm wheel of the right front worm gear speed reducer 13 through threaded connection, a worm of the right front worm gear speed reducer 13 is in transmission connection with a right front steering motor 14, and the right front worm gear speed reducer 13 and the right front steering motor 14 are arranged on the chassis 1;
when the front-right steering mechanism is used, the right front steering motor 14 can drive the worm of the right front worm gear reducer 13 to rotate, so that the worm wheel of the right front worm gear reducer 13 rotates, the right front transverse screw shaft 12 moves along the left-right horizontal direction, and under the dragging of the right front transverse screw shaft 12, the stator of the right front wheel hub motor also moves along with the worm wheel, so that the right front wheel 4 is twisted in corresponding steering to change the moving direction of a vehicle.
The front side of the inner end of a stator of the right rear wheel hub motor is hinged with the outer end of a right rear transverse screw shaft 15, the right rear transverse screw shaft 15 is arranged along the left-right horizontal direction, a right rear worm gear reducer 16 is installed on the chassis 1 and located on the inner side of the right rear wheel hub motor, the circumferential surface of a worm wheel of the right rear worm gear reducer 16 is located in the front-rear vertical direction, the right rear transverse screw shaft 15 penetrates through the center of the worm wheel of the right rear worm gear reducer 16 through threaded connection, a worm of the right rear worm gear reducer 16 is in transmission connection with a right rear steering motor 17, and the right rear worm gear reducer 16 and the right rear steering motor 17 are installed on the chassis 1.
When the rear-wheel steering mechanism is used, the worm of the right rear worm gear reducer 16 is driven to rotate by the right rear steering motor 17, so that the worm wheel of the right rear worm gear reducer 16 rotates, the right rear transverse screw shaft 15 moves along the left-right horizontal direction, and under the dragging of the right rear transverse screw shaft 15, the stator of the right rear wheel hub motor also moves along with the worm wheel, so that the right rear wheel 5 is twisted in corresponding steering to change the moving direction of a vehicle.
The left front wheel 2 is installed on the chassis 1 through a left front wheel suspension, the left rear wheel 3 is installed on the chassis 1 through a left rear wheel suspension, the right front wheel 4 is installed on the chassis 1 through a right front wheel suspension, and the right rear wheel 5 is installed on the chassis 1 through a right rear wheel suspension.
The storage battery pack is arranged on the chassis 1 and is arranged in a battery cabin in the middle of the chassis 1.
Claims (3)
1. A motor-driven four-wheel hub steering vehicle comprises a vehicle chassis (1), wherein a left front wheel (2) and a left rear wheel (3) are arranged on the left side of the vehicle chassis (1), a right front wheel (4) and a right rear wheel (5) are arranged on the right side of the vehicle chassis, the left front wheel (2) is driven to rotate by a left front wheel hub motor, the left rear wheel (3) is driven to rotate by a left rear wheel hub motor, the right front wheel (4) is driven to rotate by a right front wheel hub motor, and the right rear wheel (5) is driven to rotate by a right rear wheel hub motor, and the vehicle is characterized in that the front side of the inner end of a stator of the left front wheel hub motor is hinged and connected with the outer end of a left front screw transverse shaft (6), the left front screw shaft (6) is arranged along the left and right horizontal directions, a left front worm gear reducer (7) is arranged on the inner side of the left front wheel hub motor on the vehicle chassis (1), and the circumferential surface of a worm gear of the left, the left front transverse screw shaft (6) penetrates through the center of a worm wheel of a left front worm gear speed reducer (7) through threaded connection, a worm of the left front worm gear speed reducer (7) is in transmission connection with a left front steering motor (8), and the left front worm gear speed reducer (7) and the left front steering motor (8) are installed on a chassis (1);
the front side of the inner end of a stator of the left rear wheel hub motor is hinged and connected with the outer end of a left rear transverse screw shaft (9), the left rear transverse screw shaft (9) is arranged along the left-right horizontal direction, a left rear worm gear speed reducer (10) is installed on the chassis (1) and positioned on the inner side of the left rear wheel hub motor, the circumferential surface of a worm wheel of the left rear worm gear speed reducer (10) is positioned in the front-rear vertical direction, the left rear transverse screw shaft (9) is connected through threads and penetrates through the center of the worm wheel of the left rear worm gear speed reducer (10), a worm of the left rear worm gear speed reducer (10) is in transmission connection with a left rear steering motor (11), and the left rear worm gear speed reducer (10) and the left rear steering motor (11) are installed on the chassis (1);
the front side of the inner end of a stator of the right front wheel hub motor is hinged and connected with the outer end of a right front transverse screw shaft (12), the right front transverse screw shaft (12) is arranged along the left-right horizontal direction, a right front worm gear speed reducer (13) is arranged on the chassis (1) and positioned on the inner side of the right front wheel hub motor, the circumferential surface of a worm wheel of the right front worm gear speed reducer (13) is positioned in the front-back vertical direction, the right front transverse screw shaft (12) penetrates through the center of the worm wheel of the right front worm gear speed reducer (13) through threaded connection, a worm of the right front worm gear speed reducer (13) is in transmission connection with a right front steering motor (14), and the right front worm gear speed reducer (13) and the right front steering motor (14) are arranged on the chassis (1);
the front side of the inner end of a stator of the right rear wheel hub motor is hinged to the outer end of a right rear transverse screw shaft (15), the right rear transverse screw shaft (15) is arranged along the left-right horizontal direction, a right rear worm gear speed reducer (16) is mounted on the inner side, located on the right rear wheel hub motor, of the chassis (1), the circumferential surface of a worm wheel of the right rear worm gear speed reducer (16) is located in the front-rear vertical direction, the right rear transverse screw shaft (15) penetrates through the center of the worm wheel of the right rear worm gear speed reducer (16) through threaded connection, a worm of the right rear worm gear speed reducer (16) is in transmission connection with a right rear steering motor (17), and the right rear worm gear speed reducer (16) and the right rear steering motor (17) are mounted on the chassis (1).
2. A motor-driven four-wheel-hub-steered vehicle according to claim 1, characterized in that: the left front wheel (2) is installed on the chassis (1) through a left front wheel suspension, the left rear wheel (3) is installed on the chassis (1) through a left rear wheel suspension, the right front wheel (4) is installed on the chassis (1) through a right front wheel suspension, and the right rear wheel (5) is installed on the chassis (1) through a right rear wheel suspension.
3. A motor-driven four-wheel-hub-steered vehicle according to claim 2, characterized in that: the vehicle chassis (1) is provided with a storage battery pack, and the storage battery pack is arranged in a battery compartment in the middle of the vehicle chassis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247373.2U CN213383860U (en) | 2020-10-10 | 2020-10-10 | Motor-driven four-wheel hub steering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247373.2U CN213383860U (en) | 2020-10-10 | 2020-10-10 | Motor-driven four-wheel hub steering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213383860U true CN213383860U (en) | 2021-06-08 |
Family
ID=76186192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022247373.2U Expired - Fee Related CN213383860U (en) | 2020-10-10 | 2020-10-10 | Motor-driven four-wheel hub steering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213383860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312991A (en) * | 2022-03-07 | 2022-04-12 | 深圳小象电动科技有限公司 | Wheel-side power module of integrated steering mechanism |
-
2020
- 2020-10-10 CN CN202022247373.2U patent/CN213383860U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312991A (en) * | 2022-03-07 | 2022-04-12 | 深圳小象电动科技有限公司 | Wheel-side power module of integrated steering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |