Body roll limit mechanism and vehicle using the same

Abstract

The invention relates to the technical field of vehicle chassis, and discloses a vehicle-body tilting limiting mechanism and a vehicle applying the same. The vehicle-body tilting limiting mechanism comprises a frame, a vehicle body, a limiting wheel, a swing rod and a roller, wherein the vehicle body and the limiting wheel jointly rotate relative to the frame, and the cam contour of the limiting wheel constrains the roller to form two extreme positions of the swing rod; at the right extreme position of the swing rod, the tilting working state of the vehicle body is kept by the electromagneticthrust, and at the left extreme position of the swing rod, the tilting locking state is reset by means of the spring tension; and an actuator drives the vehicle body to achieve tilting movement relative to the frame, any vehicle body tilting angle beta is obtained, and the vehicle-body automatic tilting, the left extreme position vehicle-body tilting angle limiting, the right extreme position vehicle-body tilting angle limiting and the automatic resetting function of vehicle-body tilting angle zero returning after failure outage are achieved. The vehicle-body tilting limiting mechanism is applied to automatic vehicle-body tilting during vehicle steering, so that the vehicle body can actively tilt by a certain angle to resist centrifugal force or side turning force when the vehicle is steered or when the vehicle passes through a tilt road surface, and the stable driving gesture of the vehicle is kept.

Description

technical field [0001] The invention relates to a vehicle body roll limiting mechanism and a vehicle using the mechanism, belonging to the technical field of vehicle chassis, in particular to the technical field of vehicle body roll 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 the...

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 handling stability of the vehicle when turning , ride comfort and safety are better, and it needs 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 when turning are poor; explore the drive mode of independent body roll, study the limit and control method of independent body roll, in order to reduce the cost of active roll vehicles and improve the quality of vehicles with independent body roll Performance has theoretical significance and practical value

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