CN119911317A - An intelligent car corner module - Google Patents
An intelligent car corner module Download PDFInfo
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- CN119911317A CN119911317A CN202510275773.9A CN202510275773A CN119911317A CN 119911317 A CN119911317 A CN 119911317A CN 202510275773 A CN202510275773 A CN 202510275773A CN 119911317 A CN119911317 A CN 119911317A
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- steering knuckle
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Abstract
本发明是关于一种智能汽车角模块，属于智能汽车技术领域。包括车架、车轮、转向驱动装置、车轮驱动装置；包括车架、车轮、转向驱动装置、转向节外轴套、转向节内轴套、转向节壳体、减振装置、车轮驱动装置、传动轴内轴套、传动轴外轴套；所述车架上设有转向驱动装置，所述车架上设有车轮驱动装置，本申请通过将转向驱动装置和车轮驱动装置上移至车架上，并通过转向节内轴套、转向节外轴套、传动轴内轴套、传动轴外轴套等部件进行驱动动力和转向动力的传输，有效降低了车辆的轮上质量，提高了车辆的操控性，降低了车轮的冲击，且转向驱动装置和车轮驱动装置位于高位，车辆行进在涉水路面时不容易进水，提高了车辆的涉水能力。
The present invention relates to an intelligent automobile corner module, belonging to the field of intelligent automobile technology. It includes a vehicle frame, a wheel, a steering drive device, and a wheel drive device; it includes a vehicle frame, a wheel, a steering drive device, a steering knuckle outer sleeve, a steering knuckle inner sleeve, a steering knuckle housing, a vibration reduction device, a wheel drive device, a transmission shaft inner sleeve, and a transmission shaft outer sleeve; the vehicle frame is provided with a steering drive device, and the vehicle frame is provided with a wheel drive device. The present application effectively reduces the wheel mass of the vehicle, improves the vehicle's maneuverability, and reduces the impact of the wheel by moving the steering drive device and the wheel drive device up to the vehicle frame, and transmits the driving power and steering power through the steering knuckle inner sleeve, the steering knuckle outer sleeve, the transmission shaft inner sleeve, the transmission shaft outer sleeve and other components, and the steering drive device and the wheel drive device are located at a high position, so that the vehicle is not easy to enter water when traveling on a wading road surface, thereby improving the wading ability of the vehicle.
Description
Technical Field
The invention relates to the technical field of intelligent automobiles, in particular to an intelligent automobile corner module.
Background
With the wide application of intelligent and electric technology in the automobile industry, the performance and functions of modern automobiles are rapidly improved. In particular, for an angle module in an automobile chassis system, the angle module is used as a core component for steering, damping and driving of a vehicle, and has a critical influence on the safety, comfort and handling performance of the vehicle.
The patent with publication number CN118024797A specifically discloses a steering angle module, which is designed to use an in-wheel motor, and a steering gear and a shock absorber are integrated on wheels, so that the unsprung mass of the angle module is larger, the wheels of the vehicle are easy to damage when the vehicle runs on a bumpy road, and meanwhile, the in-wheel motor is easy to submerge when the vehicle runs on a wading road due to the low arrangement position of the in-wheel motor, so that the vehicle can hardly run in wading water, and is difficult to adapt to various driving modes and different road environments.
Disclosure of Invention
The invention provides an intelligent automobile corner module for solving or partially solving the problems existing in the related art, and aims to solve the technical problems that the unsprung mass of the existing corner module is too large and the installation position of a related driving device is too low.
The intelligent automobile corner module comprises a frame, wheels, a steering driving device, a knuckle outer shaft sleeve, a knuckle inner shaft sleeve, a knuckle shell, a damping device, a wheel driving device, a transmission shaft inner shaft sleeve and a transmission shaft outer shaft sleeve;
the steering device comprises a frame, a steering driving device, a hollow steering knuckle outer sleeve, a steering knuckle inner sleeve and a steering knuckle outer sleeve, wherein the steering driving device is arranged on the frame, the hollow steering knuckle outer sleeve is rotatably arranged on the frame, the steering knuckle outer sleeve vertically extends downwards, the upper end of the steering knuckle outer sleeve is in transmission connection with an output shaft of the steering driving device, and the lower end of the steering knuckle outer sleeve is connected with the steering knuckle inner sleeve through a spline; a steering knuckle shell is rotatably arranged on one side of the wheel, and the steering knuckle shell is fixedly connected with the lower end of the steering knuckle inner shaft sleeve;
The steering knuckle is characterized in that a wheel driving device is arranged on the frame, a transmission shaft inner shaft sleeve is arranged in the steering knuckle outer shaft sleeve, the upper end of the transmission shaft inner shaft sleeve is in transmission connection with an output shaft of the wheel driving device, the lower end of the transmission shaft inner shaft sleeve is connected with the transmission shaft outer shaft sleeve through a spline, and the lower end of the transmission shaft outer shaft sleeve is in transmission connection with the wheels.
In some aspects, a steering bearing is disposed between the knuckle outer sleeve and the frame.
In some schemes, the lower end of the transmission shaft outer shaft sleeve is provided with a first transmission gear,
The steering knuckle housing is rotatably provided with a transmission shaft, one end of the transmission shaft is fixedly connected with the wheels, the other end of the transmission shaft is provided with a second transmission gear, and the second transmission gear is meshed with the first transmission gear.
In some aspects, a first drive bearing is disposed between the upper end of the inner shaft sleeve of the drive shaft and the frame, and a second drive bearing is disposed between the lower end of the outer shaft sleeve of the drive shaft and the knuckle housing.
In some aspects, the vibration damping device comprises a vibration damping spring, an upper spring seat, a lower spring seat;
The upper spring seat is fixedly connected with the outer shaft sleeve of the steering knuckle, a thrust bearing is arranged between the upper spring seat and the frame, the lower spring seat is fixedly connected with the inner shaft sleeve of the steering knuckle, and the vibration reduction spring is arranged between the upper spring seat and the lower spring seat.
In some aspects, the vibration damping device further comprises a vibration damper, wherein the upper end of the vibration damper is fixedly connected with the upper spring seat, and the lower end of the vibration damper is fixedly connected with the lower spring seat.
In some schemes, the upper end of the inner shaft sleeve of the transmission shaft is also provided with a braking device.
In some aspects, a knuckle pin is disposed on the knuckle housing, one end of a lower arm is fixedly connected to the frame, and the other end of the lower arm is rotatably connected to the knuckle pin.
An intelligent automobile, wherein four wheels of the automobile respectively adopt the angle module according to any one of the schemes.
The technical scheme provided by the invention can comprise the following beneficial effects:
1. according to the application, the steering driving device and the wheel driving device are moved upwards to the frame, and driving power and steering power are transmitted through the parts such as the steering knuckle inner shaft sleeve, the steering knuckle outer shaft sleeve, the transmission shaft inner shaft sleeve and the transmission shaft outer shaft sleeve, so that the quality of the wheels of the vehicle is effectively reduced, the steering performance of the vehicle is improved, the impact of the wheels is reduced, the steering driving device and the wheel driving device are positioned at high positions, the vehicle is not easy to enter water when running on a wading road surface, and the wading capacity of the vehicle is improved.
2. According to the application, the brake device is moved up to the frame, the size of the brake disc can be larger under the allowable condition, the heat capacity of the brake disc is correspondingly increased, overheating is not easy, and the braking performance and safety of the vehicle are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
FIG. 1 is a schematic diagram of a smart car corner module according to an embodiment of the present invention;
Reference numerals:
1. The steering device comprises a frame, 2, wheels, 3, a steering driving device, 4, a steering knuckle outer sleeve, 5, a steering knuckle inner sleeve, 6, a steering knuckle shell, 7, a vibration damper, 701, a vibration damper spring, 702, an upper spring seat, 703, a lower spring seat, 704, a vibration damper, 8, a wheel driving device, 9, a transmission shaft inner sleeve, 10, a transmission shaft outer sleeve, 11, a steering bearing, 12, a first transmission gear, 13, a transmission shaft, 14, a second transmission gear, 15, a first transmission bearing, 16, a second transmission bearing, 17, a braking device, 18, a steering knuckle pin, 19, a lower arm, 20 and a thrust bearing.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific embodiments, but the scope of the invention is not limited to the description.
Referring to fig. 1, the application provides an intelligent automobile corner module, which comprises a frame 1, wheels 2, a steering driving device 3, a knuckle outer shaft sleeve 4, a knuckle inner shaft sleeve 5, a knuckle shell 6, a vibration damper 7, a wheel driving device 8, a transmission shaft inner shaft sleeve 9 and a transmission shaft outer shaft sleeve 10.
The steering driving device 3 is arranged on the frame 1, the steering driving device 3 adopts a stepping motor, a servo motor or other steering power assisting systems, a hollow steering knuckle outer sleeve 4 is rotatably arranged on the frame 1, the steering knuckle outer sleeve 4 vertically extends downwards, the upper end of the steering knuckle outer sleeve 4 is in transmission connection with an output shaft of the steering driving device 3, the lower end of the steering knuckle outer sleeve 4 is connected with a steering knuckle inner sleeve 5 through a spline, one side of the wheel 2 is rotatably provided with a steering knuckle shell 6, and the steering knuckle shell 6 is fixedly connected with the lower end of the steering knuckle inner sleeve 5;
The steering device comprises a steering wheel, a steering wheel inner sleeve 5, a steering wheel outer sleeve 4, a steering wheel inner sleeve 5, a steering shell and a steering wheel, wherein the steering wheel inner sleeve 4 is in spline connection with the steering wheel outer sleeve 4, the steering wheel inner sleeve 5 is fixedly connected with the steering shell, the steering shell is in rotational connection with the wheels 2, the connection between the steering wheel inner sleeve 5 and the steering wheel 1 is realized, the steering wheel inner sleeve 1 and the wheels 2 can only move relatively, namely move up and down, so that the wheels 2 can provide stable support for the steering wheel 1, when a vehicle needs to turn, the steering wheel outer sleeve 4 is driven to rotate by the steering wheel driving device 3, the steering wheel inner sleeve 5 is driven to rotate by the steering wheel outer sleeve 4, the steering shell drives the steering wheel 2 to deflect, and the steering wheel 2 is further realized.
The frame 1 is provided with a wheel driving device 8, the wheel driving device 8 can adopt a common motor, a stepping motor, a servo motor, a gas engine and the like, a transmission shaft inner shaft sleeve 9 is arranged in the knuckle outer shaft sleeve 4, the upper end of the transmission shaft inner shaft sleeve 9 is in transmission connection with an output shaft of the wheel driving device 8, the lower end of the transmission shaft inner shaft sleeve 9 is connected with a transmission shaft outer shaft sleeve 10 through a spline, and the lower end of the transmission shaft outer shaft sleeve 10 is in transmission connection with the wheel 2;
In this way, the output power of the wheel driving device is transmitted to the wheels 2 after passing through the inner shaft sleeve 9 and the outer shaft sleeve 10 of the transmission shaft in sequence to drive the wheels 2 to rotate, compared with a trolley with four motors (respectively driven by hub motors on the wheels 2), the application effectively reduces the mass of the wheels 2, namely the unsprung mass of the vehicle is lower, reduces the impact of the wheels 2 when the vehicle runs, improves the adhesion performance of the wheels 2, is beneficial to improving the stability of the vehicle when running, is fixed on the frame 1 and is convenient for arranging various circuits and pipelines, and moreover, the steering driving device 3 is arranged at a high position, so that the problem of water inflow is not easy to occur when the vehicle runs through water.
A vibration damper 7 is arranged between the knuckle inner sleeve 5 and the frame 1, and the vibration damper 7 is mainly used for providing the bearing capacity of the frame 1 and reducing the vibration of the frame 1 so as to improve the running stability of the vehicle.
In this embodiment, a steering bearing 11 is disposed between the outer knuckle sleeve 4 and the frame 1, so as to reduce friction between the outer knuckle sleeve 4 and the frame 1, so that the outer knuckle sleeve 4 rotates more smoothly, and preferably, two steering bearings 11 are disposed at intervals along the vertical direction, so as to improve the connection rigidity between the outer knuckle sleeve 4 and the frame 1.
In this embodiment, the lower end of the outer shaft sleeve 10 of the transmission shaft is provided with a first transmission gear 12, the steering knuckle housing 6 is rotatably provided with a transmission shaft 13, one end of the transmission shaft 13 is fixedly connected with the wheel 2, the other end is provided with a second transmission gear 14, and the second transmission gear 14 is meshed with the first transmission gear 12, so that the power transmission from the outer shaft sleeve 10 of the transmission shaft to the wheel 2 is realized, and the power transmission is stable.
Preferably, a first transmission bearing 15 is arranged between the upper end of the inner shaft sleeve 9 of the transmission shaft and the frame 1, and a second transmission bearing 16 is arranged between the lower end of the outer shaft sleeve 10 of the transmission shaft and the knuckle shell 6, so that the upper end of the inner shaft sleeve 9 of the transmission shaft realizes radial limit of the upper end of the inner shaft sleeve 9 of the transmission shaft through the first transmission bearing 15, the lower end of the inner shaft sleeve 9 of the transmission shaft and the upper end of the outer shaft sleeve 10 of the transmission shaft realize radial positioning of the two through spline connection, the lower end of the outer shaft sleeve 10 of the transmission shaft realizes radial positioning of the lower end through the second transmission bearing 16, the coaxiality between the inner shaft sleeve 9 of the transmission shaft and the outer shaft sleeve 10 of the transmission shaft is effectively improved, the stability of the two power transmission is improved, and the rotation noise of the two is effectively reduced.
In this embodiment, the damping device 7 includes a damping spring 701, an upper spring seat 702, and a lower spring seat 703, where the upper spring seat 702 is fixedly connected to the knuckle outer sleeve 4, and a thrust bearing 20 is disposed between the upper spring seat 702 and the frame 1, so as to reduce friction between the upper spring seat 702 and the frame 1, which is beneficial to improving service life of the upper spring seat 702, and further improving service life of the damping device 7, and the lower spring seat 703 is fixedly connected to the knuckle inner sleeve 5, and the damping spring 701 is disposed between the upper spring seat 702 and the lower spring seat 703, so that gravity of the frame 1 is borne by the wheel 2 after passing through the thrust bearing 20, the upper spring seat 702, the damping spring 701, the lower spring seat 703, the knuckle inner sleeve 5, and the steering housing in turn, and in this process, the damping spring 701 effectively reduces vibration of the frame 1, and compared with a conventional damping system, the damping spring 701 is sleeved between the knuckle outer sleeve 4 and the knuckle inner sleeve 5, and the knuckle inner sleeve 5 is used as a guiding structure of the spring 701, and the application has a simpler structure, and the space of the damping module is more compact, and the application has a more compact structure, and is beneficial to reduce the volume.
In this embodiment, the vibration damper 7 further includes a vibration damper 704, the vibration damper 704 is a barrel type vibration damper, the upper end of the vibration damper 704 is fixedly connected with the upper spring seat 702, and the lower end of the vibration damper 704 is fixedly connected with the lower spring seat 703, so as to form a dynamic damping adjustment system, and adapt to complex road conditions in real time.
In this embodiment, the upper end of the inner shaft sleeve 9 of the transmission shaft is further provided with a braking device 17, the braking device 17 can adopt a traditional brake disc type braking device 17, a brake disc is fixedly mounted at the upper end of the inner shaft sleeve 9 of the transmission shaft, and an air pump, a brake block and the like which are matched with the brake disc are mounted on the frame 1.
In this embodiment, the knuckle pin 18 is disposed on the knuckle housing 6, one end of the lower arm 19 is fixedly connected to the frame 1, and the other end of the lower arm 19 is rotatably connected to the knuckle pin 18, thereby forming a steering support structure, which is beneficial to improving the connection rigidity between the frame 1 and the wheel 2, so that the wheel 2 is more firmly installed.
The application also provides an intelligent automobile, wherein the four wheels 2 of the automobile respectively adopt the corner modules in any embodiment.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510275773.9A CN119911317B (en) | 2025-03-10 | 2025-03-10 | An intelligent car corner module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510275773.9A CN119911317B (en) | 2025-03-10 | 2025-03-10 | An intelligent car corner module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119911317A true CN119911317A (en) | 2025-05-02 |
| CN119911317B CN119911317B (en) | 2025-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510275773.9A Active CN119911317B (en) | 2025-03-10 | 2025-03-10 | An intelligent car corner module |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717696A (en) * | 2012-06-21 | 2012-10-10 | 上海中科深江电动车辆有限公司 | Independent driving, steering and suspending system |
| CN117163150A (en) * | 2023-08-18 | 2023-12-05 | 东风汽车集团股份有限公司 | Steering system, angle module and vehicle |
| WO2024158268A1 (en) * | 2023-01-26 | 2024-08-02 | 씨스톤 테크놀로지스(주) | Wheel drive apparatus |
| CN118528765A (en) * | 2024-04-28 | 2024-08-23 | 重庆青山工业有限责任公司 | Multifunctional wheel driving device |
| CN119176185A (en) * | 2024-10-21 | 2024-12-24 | 同济大学 | Macpherson type suspension wheel side driving system |
-
2025
- 2025-03-10 CN CN202510275773.9A patent/CN119911317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717696A (en) * | 2012-06-21 | 2012-10-10 | 上海中科深江电动车辆有限公司 | Independent driving, steering and suspending system |
| WO2024158268A1 (en) * | 2023-01-26 | 2024-08-02 | 씨스톤 테크놀로지스(주) | Wheel drive apparatus |
| CN117163150A (en) * | 2023-08-18 | 2023-12-05 | 东风汽车集团股份有限公司 | Steering system, angle module and vehicle |
| CN118528765A (en) * | 2024-04-28 | 2024-08-23 | 重庆青山工业有限责任公司 | Multifunctional wheel driving device |
| CN119176185A (en) * | 2024-10-21 | 2024-12-24 | 同济大学 | Macpherson type suspension wheel side driving system |
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| Publication number | Publication date |
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| CN119911317B (en) | 2025-09-23 |
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