Vehicle body side tipping driving device and vehicle using device

Abstract

The invention relates to the technical field of vehicle chassis, and discloses a vehicle body side tipping driving device and a vehicle using the device. The vehicle body side tipping driving device comprises a vehicle frame, a vehicle body, a left oil cylinder and a right oil cylinder, wherein the vehicle body and the vehicle frame are rotatably connected around a side tipping axis; the vehicle body is rotatably connected with the same-nature ends of the left oil cylinder and the right oil cylinder; the vehicle frame is rotatably connected with the other same-nature ends of the left oil cylinder and the right oil cylinder; a rod cavity of the left oil cylinder is communicated with a rod-free cavity of the right oil cylinder; a rod-free cavity of the left oil cylinder is communicated witha rod cavity of the right oil cylinder; an electromagnetic directional valve controls the left and right oil cylinders to carry out double-way tandem driving on the vehicle body for side tipping motion; a closed driving loop eliminates the transmission clearances and decreases the motion impacts, so as to improve the stability and reliability of the vehicle in the side tipping process; and when the vehicle turns or runs across the inclined pavements, the vehicle body initiatively inclines at a certain angle to resist the centrifugal force or rollover force, so as to keep the stable running posture of the vehicle.

Description

technical field [0001] The invention relates to a vehicle body roll driving device and a vehicle using the device, belonging to the technical field of vehicle chassis, in particular to the technical field of vehicle body roll driving and control. Background technique [0002] The active roll control system improves the handling stability, smoothness, traffic speed and safety of the vehicle when turning by controlling the degree of inclination of the vehicle to the inner side of the turn. When crossing an inclined road, it automatically tilts at a certain angle to generate a balance moment to resist the centrifugal force or rollover force on the vehicle, so as to maintain a stable driving posture of the vehicle. [0003] Vehicle active roll technology is usually implemented in two ways: independent body roll and body and wheel linkage roll, among which: body and wheel linkage roll, the interaction between body roll and vehicle steering motion, and the steering stability of th...

AI Technical Summary

Problems solved by technology

[0003] Vehicle active roll technology is usually implemented in two ways: independent body roll and body and wheel linkage roll, among which: body and wheel linkage roll, the interaction between body roll and vehicle steering motion, and the steering stability of the vehicle when turning , ride comfort and safety are better, and it is necessary to adopt two-wheel independent steering or four-wheel independent steering, or use a vehicle steering and rolling linkage device composed of a rolling mechanism and a steering mechanism, but the structure is complicated and the cost is high, so it is suitable for High-end vehicles: independent body roll mode, body roll and vehicle steering movement are carried out independently without interfering with each other, any steering mechanism can be used, the structure is simple, and the cost is low. Usually, the actuator directly drives the body to rotate relative to the frame, resulting in The handling stability, ride comfort and safety reliability of the vehicle are poor when turning; explore the drive mode of independent body roll, and study the drive and control method of independent body roll, in order to reduce the cost of active roll vehicles and improve the performance of independent body roll vehicles It has theoretical significance and practical value

Images