The tunnel roof support has obvious advantages over ordinary supports. The use of the tunnel roof support in life is still very wide, especially in the high ground pressure mine, which is mainly refle

The underground roof support has shrinkage and stable and reliable bearing capacity compared with other rigid supports, and is more suitable for the load and deformation of the soft surrounding rock p

In recent years, the development of the mine roof support is very good. As the name implies, the mine roof support is a type of support equipment used in underground mines. Although it seems to have a

Support arch as supporting equipment has always been the escort of production safety in the coal mine industry. In recent years, the arch support base project has been increasing day by day, so that m

Attention should be paid to the construction of the steel arch support: when erecting the steel arch support, a working platform must be built at the construction site, the legs of the platform must b

The most important connection component in the steel mine support is the mine U-shaped cable. Its structure and mechanical properties determine the resistance of the mine support during operation, the