A Combined Electromagnetic Eddy Current Braking Device

Abstract

A combined electromagnetic eddy current braking device belongs to the technical field of high-speed train braking. The combined electromagnetic eddy current braking device is composed of a left braking mechanism, a right braking mechanism and a connecting beam; the left braking mechanism and the right braking mechanism are both It is composed of outer plate, inner plate, upper hydraulic device, lower hydraulic device, main support plate, second support plate, trapezoidal guide rail, square coil, L-shaped coil and rail connection; the structure is novel, the working principle is clear, and the hydraulic device can Realize the function of L-shaped excitation coils on both sides to move up and down, left and right, using a combination of square coils and L-shaped coils, each L-shaped coil includes 4 independent excitation coils, and contains 9 coils in a section, increasing the The electromagnetic eddy current braking area is reduced. When a certain coil in the section is damaged, it has little effect on the electromagnetic eddy current braking ability. It not only makes the coil dissipate heat quickly and evenly, but also improves the electromagnetic eddy current braking ability.

Description

technical field [0001] The invention belongs to the technical field of high-speed train braking, and relates to an eddy current braking device, in particular to a combined electromagnetic eddy current braking device. Background technique [0002] With the rapid development of the number of high-speed trains in our country, people's travel is more convenient, but the train braking system is an important guarantee for the safety of train operation. Traditional braking technology uses mechanical friction braking, and its braking force is generated by compressing air to make the friction plate act on the tread surface of the wheel set or the friction disc of the wheel set. However, this traditional braking method will cause greater wear and thermal damage to the friction disc. Based on this, electromagnetic eddy current braking is currently the best choice for braking when trains are running at high speed. Electromagnetic eddy current braking has no wear of brake shoes and whee...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcomings of existing electromagnetic eddy current braking force and poor reliability of excitation coil operation, etc., to propose a combined electromagnetic eddy current braking device, which adopts a structure combining square coils and L-shaped coils, and each An L-shaped coil includes 4 independent excitation coils, which can make the coil dissipate heat quickly and evenly, further increase the electromagnetic eddy current braking area, and improve the electromagnetic eddy current braking capacity

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