Electronic control dismountable vehicle wheel deploying and retracting device and control method

Abstract

The invention provides an electronic control dismountable vehicle wheel deploying and retracting device. The device comprises a lower cross arm, a transmission short shaft, a torsion rod spring, a vehicle wheel deploying and retracting actuator, an electromagnetic unloading mechanism and a sliding spline housing, wherein the lower cross arm is fixedly connected with the transmission short shaft; the transmission short shaft and the torsion rod spring are arranged coaxially, and can be connected through the sliding spline housing; the vehicle wheel deploying and retracting actuator is arrangedon the transmission short shaft and is used for driving the transmission short shaft, a suspension and vehicle wheels to rise when the sliding spline housing slides axially to be disconnected with thetorsion rod spring but connected with the vehicle wheel deploying and retracting actuator; the electromagnetic unloading mechanism is connected with the sliding spline housing, and is used for completing axial sliding of the sliding spline housing. By using the combination of the electromagnetic unloading mechanism and the vehicle wheel deploying and retracting actuator, rapid response can be realized, and the loads, applied to the vehicle wheel deploying and retracting device, of elastic and damping elements of the suspension in the vehicle wheel deploying and retracting process can be unloaded completely.

Description

Technical field [0001] The invention belongs to the field of amphibious condition switching equipment for wheeled amphibious vehicles, and particularly relates to an electronically controlled unloadable wheel retracting device and a control method. Background technique [0002] The amphibious vehicle is a special vehicle that has the characteristics of both a vehicle and a boat, which can travel on land and float on the water. Because of its excellent water and land traffic performance, it can quickly switch between land and water conditions without being restricted by roads, bridges, rivers, lakes, and seas. Therefore, it is used in military strategic maneuvers, water and land operations, disaster relief, tourism and entertainment, Professional fields such as transportation have outstanding advantages and special historical significance. [0003] The wheeled amphibious vehicle has wheels for on-land travel. The wheels can be used to paddle directly on the water or driven by a spe...

AI Technical Summary

Problems solved by technology

[0008] In terms of control, most of the existing amphibious vehicle wheel retractable devices adopt hydraulic control or mechanical structure control. Due to the hysteresis of the hydraulic system and the assembly gap of the mechanical structure, the response of the control system to control operations and commands is not timely enough, which increases the overall The time required to complete the wheel retraction action; the control accuracy is low, and the lifting height of the suspension cannot be guaranteed to be constant and the wheel positioning parameters are within a reasonable range

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