Two persons are required to cooperate in the return of the suspended single hydraulic prop, one returning the prop and the other observing the top plate. When returning the column, work at a safe plac
In the coal mining process, in order to ensure safe and orderly production, wooden pillars, steel pillars or hydraulic prop must be used to support the upper and lower rock layers (commonly known as r
Single hydraulic prop maintenance for the pillars, jacks, valves and pipelines and other hydraulic components for repair, disassembly and installation. When maintaining the hydraulic acrow props shoul
Shandong single hydraulic prop manufacturers maintenance of mining hydraulic support maintenance methods are recommended as follows:
Using the principle of plunger suspension technology, the inner sealing cover of the plunger bears four-fifths of the working resistance, and the force that the plunger bears is only one-fifth, which
Now everyone knows that the single hydraulic prop are mainly used in mines. In the underground, the hydraulic prop have the advantages and the safety of the operation of the suspension hydraulic prop