The pin shaft of hydraulic support refers to the pin shaft used to connect structural parts and hydraulic components. The pin shaft of hydraulic support is used as a shaft. One end is equipped with a side guard and the other end is equipped with a flat washer and an opening pin. It is a fixed pin that connects various components to a single piece. Common faults of hydraulic support pin shaft, causes and elimination methods: Structural components and pin shafts connected to hydraulic components may be worn, bent, broken, etc. The connecting pin shaft of structural members may wear out and will not bend; The possibility of bending the connecting pin shaft at both ends of hydraulic support column jack is large, which is also the protection of the column and jack. Causes of pin shaft wear and bending: material and heat treatment do not meet the design requirements; Improper operation, etc. If the joint pin shaft is found to be seriously worn or bent, it should be replaced in time. The pin shaft seems small accessories, for large equipment hydraulic support to be firmly fixed is the normal and safe operation of this equipment. More hydraulic support accessories, welcome to consult Henan Shuangzhi.