In modern society, competition is becoming increasingly fierce. Under such circumstances, coal companies have also increased their requirements for coal mine construction. Among them, the application
At present, part of the stope supported by hydraulic prop and SGWD-17 slab conveyor are used to form a working face. The working face and roadway width adopt 1.0-meter twisted roof beams and full-colu
According to the results of mine pressure, the hydraulic acrow propsload of the working face, the amount of roof subsidence, and the degree of roof fracture are all increasing from the coal wall to th
Compared with the currently used DW type prop series hydraulic acrow props, DWX type suspension hydraulic prop series products have the following characteristics:
In the coal industry management work, we are not afraid of problems. The key is whether we can find a solution to the problems. In view of the problems in the wall working face and the hydraulic prop
A single hydraulic prop is also called a hydraulic acrow props, which is different from the hydraulic support in its structure. The safety of coal mines has always affected the hearts of miners and th