U-shaped steel support has the advantages of high setting force, strong support strength, easy installation, and non-deformation.

Compared with other rigid brackets, the U-shaped steel arch support has a shrinkable and stable and reliable bearing capacity, adapts to the load and deformation of the soft surrounding rock, has a hi

Do you know the U-shaped steel arch support? Have you ever used U-shaped steel mine supports? Since there is no such thing, let me explain to you the characteristics of U tunnel roof support today!

Therefore, it is often used to make roadway shrinkable steel mine supports for mine roadway, secondary support of mine roadway, and support support for mountain tunnels. Protection and other purposes.

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

1. Check one by one whether the connecting parts and pins of the U-shaped tunnel roof support are complete and fastened, whether the movable cylinder body is damaged or deformed, check whether the sea