Manufacturing method of special tool for railway brake valve assembly

1. The utility model relates to the technical field of railway brake valve assembly, in particular to a special tool for railway brake valve assembly.

Background technique:

2. Two sandwich valves need to be installed in the railway brake valve. Due to the structural characteristics of the sandwich valve, the upper and lower sides of the sandwich valve are easy to be reversed during the assembly process. The staff should check whether the sandwich valve is assembled correctly one by one. The reversed sandwich valve needs to be corrected manually, which is time-consuming and easy to miss. At the same time, two sandwich valves need to be installed in the same brake valve, which further reduces the assembly efficiency.

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