Tianjin Yaxing Metal Die Casting Co., Ltd.
A professional manufacturer integrating the design, development, manufacturing, and precision machining of large, medium, and small, precision, complex die-casting and die-casting products
train brake parts
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train brake parts
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train brake parts
Components and their functions The train braking device consists of the air supply system and automatic brake valve installed on the locomotive, the brake and the foundation brake device installed on the locomotive and the vehicle separately, and the brake pipe running through the whole train ( Also known as brake pipe). The entire braking system is filled with compressed air. The air supply system includes an air compressor and a total air cylinder, whose function is to supply the compressed air required by the entire system. The air compressors of diesel locomotives and electric locomotives are electric, while on steam locomotives, they are driven by steam engines, called air pumps. The automatic brake valve is a device used by the locomotive driver to operate the train braking system. The driver pulls the handle of the automatic brake valve to control the exhaust or air filling of the brake pipe to make the brakes installed on the locomotive and vehicles act.
The brake includes an air distribution valve, an auxiliary air cylinder and a brake cylinder, etc. When the brake pipe is decompressed, the air distribution valve allows the compressed air in the auxiliary air cylinder to enter the brake cylinder to push the brake, and through the action of the lever in the basic brake device, the brake shoe (or brake pad) is pressed against the wheel tread (or brake disc), block the rotation of the wheel, and make the train decelerate or stop under the action of the adhesion between the wheel and rail; The compressed air in the moving cylinder is discharged into the atmosphere, at this time, the return spring in the brake cylinder restores the brake to its original position, and the brake shoe leaves the wheel, thereby achieving relief (see figure). The foundation braking device consists of a series of transmission levers, brake beams and brake shoes (or brake shoes and brake discs). The transmission lever plays the role of transmitting the action of the brake cylinder and distributing the thrust of the brake.
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