1、The fundamental composition and functional principles of the JZ-7 electro-pneumatic braking system are analyzed in detail.

2、The mounted location of high-pressure safty valve and the connecting position of the control air pipe of air pressure relay of JZ-7 brake system are analysed.

3、介绍了新型电控大闸采用JZ-7机车制动机,通过微处理器和步进电机实现控制。

4、Based on the inhouse structure of JZ-7 air brakes, the design scheme of distribution valves for passenger locomotives was proposed and the main valve of new distribution valves was developed.