High-speed train secondary suspension semi-automatic control device

Abstract

The invention discloses a high-speed train secondary suspension semi-automatic control device. The device comprises an air spring mechanism and a control device mechanism; the control mechanism comprises a coupling assembly, a cylinder body assembly and a fixing base; the cylinder body assembly comprises a cylinder barrel, the interior of the cylinder barrel is filled with magnetorheological fluid, and the interior of the cylinder barrel is sequentially provided with a piston rod I, a cylinder cover, a damping piston I, a damping piston II, a damping inner cylinder sleeve, a piston rod II anda cylinder bottom cover from top to bottom; the damping inner cylinder sleeve is a blind hole sleeve structure with an open upper end and a closed lower end, and an excitation coil is arranged on theouter cylindrical surface of the damping inner cylinder sleeve in the circumferential direction; and the damping piston II which is in clearance fit with the inner diameter dimension of the damping inner cylinder sleeve is arranged in the damping inner cylinder sleeve, and an excitation coil is arranged on the outer cylindrical surface of the damping piston II in the circumferential direction. According to the device, the opening degree of a throttling hole of an air spring system can be adaptively adjusted, the structure complexity is reduced on the premise of improving the adaptability of atrain to different operating conditions, and then the manufacturing cost is reduced.

Description

technical field [0001] The invention relates to a high-speed train secondary suspension control device, in particular to a high-speed train secondary suspension semi-automatic control device capable of improving the running smoothness and ride comfort of the high-speed train, belonging to the technical field of high-speed train equipment. Background technique [0002] The high-speed operation of the train makes its vibration amplitude larger during operation, which seriously affects the ride comfort and ride comfort of the train, and will also cause certain damage to the physical and mental health of the staff who have been working on the high-speed train for a long time. In addition, severe vibration will damage the components of the train and shorten its service life. The secondary suspension is the suspension device between the bogie frame and the car body. It is mainly composed of a central spring and various shock absorbers. Its main function is to support the car body ...

AI Technical Summary

Problems solved by technology

However, for the opening adjustment part of the orifice, there is a baffle fixedly installed in the cylinder and a support spring arranged between the lower end surface of the damping piston II and the upper end surface of the baffle. This structure is not only complicated in structure, It is not easy to install, and it is not convenient to wind the excitation coil on the inner ring of the damping piston II, and the manufacturing cost is relatively high

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