1. The hydraulic support worker must be familiar with the performance, structure, principle and hydraulic control system of the hydraulic support, master this operating procedure, be able to maintain

The combined support of U-shaped steel arch support, metal mesh, and shotcrete has changed the limitations of the three support forms used alone, and gave full play to the advantages of the three supp

Hot-rolled U-shaped steel arch support for mine roadway support is the U-shaped tunnel roof support that everyone often calls. U-shaped steel is a kind of steel whose cross section resembles the Engli

During construction, a reliable work platform must be set up to protect belt conveyors, pipelines and other equipment, and create a suitable construction space and work height for the construction per

Preparation work before using U-shaped steel arch support

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