The mine roof support adopts the new coal mining machinery and the bendable conveyer, which provides the conditions for the general mechanization of coal mining, and is the necessary supporting equipm

Tunnel roof support refers to the support measures taken to prevent the top rock and soil from destabilising or collapsing during tunnel construction or tunnel use.

The Introduction Of U - Shaped Steel Arch Support U-shaped steel bracket

The assembly of the four-section U-shaped steel arch support must first combine the beams, and then use the front beam frame to do the support arch. After completion, dig the column sockets on the two

We have a deep understanding of the appearance and use of U-shaped steel arch support, but we may have a little understanding of the material requirements of U tunnel roof support.

When operating the U-shaped tunnel roof support, the support worker should stand on the bottom frame of the rack box and face the coal wall to operate. It is forbidden to pedal in front of the base or