CN-224211135-U - Automatic drive-by-wire chassis

Abstract

The utility model provides an automatic driving drive-by-wire chassis which comprises a frame, a running system, a transmission system, a power supply system, a braking system, a steering system and a stability control system, wherein the running system, the transmission system, the power supply system, the braking system, the steering system and the stability control system are arranged on the frame, the frame comprises two longitudinal beams arranged side by side and a plurality of first cross beams arranged side by side and connected between the two longitudinal beams, the heights of the longitudinal beams are consistent all along the length direction of the longitudinal beams, and the installation heights of the running system, the transmission system, the power supply system and the like do not exceed the upper surfaces of the longitudinal beams. In this scheme, through with the height setting of longeron is unanimous all the time along its length direction, and set up traveling system, transmission system, electrical power generating system, braking system, steering system with stable control system's installation height all does not surpass the upper surface of longeron for the upper surface of autopilot drive-by-wire chassis is whole a horizontal plane, thereby conveniently reequips it, uses.

Inventors

• YANG YANG
• WANG KEXUE
• ZHANG SHUZHI
• ZHU XIAOKUI
• FENG XUESONG
• WANG ZHEN
• PENG XIN

Assignees

• 极景(武汉)智能科技有限公司

Dates

Publication Date

20260508

Application Date

20250606

Claims (6)

1. 1. An automatic driving drive-by-wire chassis comprises a frame (1), a running system (2), a transmission system (3), a power supply system (4), a braking system (5), a steering system (6) and a stability control system (7) which are arranged on the frame (1), The frame (1) comprises two side beams (11) arranged side by side and a plurality of first cross beams (12) arranged side by side and connected between the two side beams (11), wherein the heights of the side beams (11) are consistent all the time along the length direction; The mounting heights of the running system (2), the transmission system (3), the power supply system (4), the braking system (5), the steering system (6) and the stability control system (7) do not exceed the upper surface of the longitudinal beam (11).
2. 2. The automatic drive-by-wire chassis according to claim 1, characterized in that the travel system (2) comprises a front wheel mechanism (21) and a rear wheel mechanism (22) mounted at the front and rear ends of the frame (1), respectively; the braking system (5), the steering system (6) and the stability control system (7) are all arranged on the frame (1) at positions close to the front wheel mechanism (21).
3. 3. The automatic drive-by-wire chassis according to claim 2, characterized in that the transmission system (3) comprises a motor (31) and a motor controller (32); the power supply system (4) comprises a battery pack (41), a vehicle-mounted charger (42) and a DC-DC converter (43); the motor (31), the motor controller (32), the vehicle-mounted charger (42) and the DC-DC converter (43) are arranged on the frame (1) at positions close to the rear wheel mechanism (22), and the battery pack (41) is arranged on the frame (1) at positions between the front wheel mechanism (21) and the rear wheel mechanism (22).
4. 4. The automatic drive-by-wire chassis according to claim 2, characterized in that the front ends of the two stringers (11) are bent toward each other so that the distance between the front ends of the two stringers (11) is smaller than the distance between the rear ends, and the front wheel mechanism (21) is mounted to the front ends of the stringers (11).
5. 5. The automatic drive-by-wire chassis according to claim 1, characterized in that the frame (1) further comprises two side rails (13) and a plurality of second cross members (14), the two side rails (13) are respectively arranged outside the two longitudinal members (11), and the side rails (13) are fixedly connected with the longitudinal members (11) on the same side through the plurality of second cross members (14).
6. 6. The automatic drive-by-wire chassis of claim 5, further comprising a tool box (8), the tool box (8) being fixedly disposed at a hollow formed between two adjacent second cross beams (14).

Description

Automatic drive-by-wire chassis Technical Field The utility model relates to the technical field of vehicle chassis, in particular to an automatic driving drive-by-wire chassis. Background The drive-by-wire chassis is a technology for realizing the control of various functions of the vehicle chassis by replacing the traditional mechanical and hydraulic control systems with electronic signals. The drive-by-wire chassis is a joint point between automatic driving and new energy automobiles, and is a key carrier for realizing unmanned driving. The chassis of many existing pure electric vehicles already has partial wire control capability, and wire control steering and wire control braking are the most core products facing the direction of an automatic driving execution end. The publication number CN116788359a discloses a low cost full-drive-by-wire electric vehicle chassis for remote control driving, wherein the full-drive-by-wire electric chassis part comprises a chassis domain controller, a chassis frame, a suspension system, a drive-by-wire system, a steering-by-wire system, a brake-by-wire system, and an electrical system. In the patent, the whole chassis frame is designed to be low in front and high in back, so that the upper surface of the chassis is not a flat surface, and the chassis frame is inconvenient to refit and use. Disclosure of utility model Based on the problems in the prior art, the utility model aims to solve the technical problems that the whole chassis frame of the low-cost full-drive-by-wire pure electric vehicle chassis driven by remote control in the prior art is designed to be low in front and high in back, so that the upper surface of the chassis is not a plane, and the chassis frame is inconvenient to refit and use. The utility model provides an automatic driving drive-by-wire chassis which comprises a frame, a running system, a transmission system, a power supply system, a braking system, a steering system and a stability control system, wherein the running system, the transmission system, the power supply system, the braking system, the steering system and the stability control system are arranged on the frame; The frame comprises two side beams and a plurality of first cross beams, wherein the side beams are arranged side by side, and the first cross beams are connected between the two side beams and are arranged side by side; The mounting heights of the running system, the transmission system, the power supply system, the braking system, the steering system and the stability control system do not exceed the upper surface of the longitudinal beam. According to an embodiment of the present utility model, the running system includes a front wheel mechanism and a rear wheel mechanism respectively mounted at front and rear ends of the frame; The braking system, the steering system and the stability control system are all arranged on the frame at positions close to the front wheel mechanism. According to an embodiment of the utility model, the transmission system comprises a motor and a motor controller; The power supply system comprises a battery pack, a vehicle-mounted charger and a DC-DC converter; The motor, the motor controller, the vehicle-mounted charger and the DC-DC converter are all arranged on the frame and close to the rear wheel mechanism, and the battery pack is arranged on the frame and located between the front wheel mechanism and the rear wheel mechanism. According to an embodiment of the present utility model, the front ends of the two stringers are bent toward each other so that the distance between the front ends of the two stringers is smaller than the distance between the rear ends, and the front wheel mechanism 21 is mounted to the front ends of the stringers. According to an embodiment of the present utility model, the frame further includes two side beams and a plurality of second cross beams, the two side beams are respectively disposed outside the two longitudinal beams, and the side beams are fixedly connected with the longitudinal beams on the same side through the plurality of second cross beams. According to an embodiment of the present utility model, the automatic driving drive-by-wire chassis further includes a tool box fixedly disposed at a hollowed-out portion formed between two adjacent second beams. The beneficial effects of the utility model are as follows: According to the automatic driving drive-by-wire chassis provided by the utility model, the height of the longitudinal beam is always consistent along the length direction of the longitudinal beam, and the installation heights of the running system, the transmission system, the power supply system, the braking system, the steering system and the stability control system are not more than the upper surface of the longitudinal beam, so that the upper surface of the automatic driving drive-by-wire chassis is a horizontal plane as a whole, and the automatic driving drive-by-wire chassis is convenien