Pneumatic-electric braking system for goods train
A technology for freight trains and braking systems, applied in the directions of brakes, pneumatic brakes, brake transmission devices, etc., can solve the problems that cannot be completely overcome, the development of brake control technology is limited, and there are no freight cars, and achieves simple structure and low maintenance costs. , the effect of long life
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[0029] An air-electric braking system for freight trains, its structure is as figure 1 As shown, it includes the first combined dust collector 3.1, 120 type distribution valve 3.2, auxiliary air cylinder 3.7, acceleration relief air cylinder 3.8, brake cylinder 3.4, mechanical proportional valve 3.3, weighing mechanism 3.6 and pressure reducing air cylinder 3.5 The air brake system module 3 composed of connection, the air-electric brake system also includes an electric control dynamic adjustment module 2, and a pneumatic power generation module 1 that supplies power to the electric control dynamic adjustment module 2. The electric control dynamic adjustment module 2 includes The switching solenoid valve 2.1, the proportional solenoid valve 2.2, the relay valve 2.3 and the brake electronic control unit 2.4, where the switching solenoid valve 2.1 is connected to the pipeline between the 120 type distribution valve 3.2 and the mechanical proportional valve 3.3, from...
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