Manufacturing method of portable manual pressure device

1. This utility model relates to a mechanical device, in particular to a mechanical device for separating a shaft and a shaft sleeve.

Background technique:

2. A shaft is a part that supports a rotating part and rotates with it to transmit motion, torque or bending moment. It is a common basic part in the mechanical field. During operation, the shaft not only needs to transmit motion, torque or bending moment, but also some shafts need to be sealed at the same time. Seals are generally divided into static seals and dynamic seals. Dynamic seals are divided into rotary seals and reciprocating seals, and those with rotary dynamic seals When the equipment is operated for a long time, the dynamic seal will damage the shaft. Therefore, in order to protect the shaft, a shaft sleeve is often inlaid on the shaft and the dynamic seal. The surface of the general shaft sleeve is chrome-plated, which is very smooth, and it is difficult to directly lift it out by hand. In addition, the shaft sleeve generally has a keyway and an o-shaped sealing ring, which increases the resistance of disassembly and assembly, and makes it difficult to disassemble the shaft sleeve. Therefore, workers usually use Other tools knock on the shaft sleeve to make it loose and fall off. However, this method is easy to cause damage to the surface of the shaft sleeve. It also takes a long time, the equipment has to be stopped for a long time, and the labor intensity of the workers is high, which not only affects the production of the equipment, but also causes certain problems. Economic loss.

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