DN single hydraulic prop has large working stroke and low safety management cost. The supporting strength is high, and the safety and stability are good. Leakage is easy to find, with high safety and
As we all know, the single hydraulic prop is a new environmentally friendly support equipment. It can be used with metal hinged roof beams for general mining and artillery. It uses working face to sup
The DW single hydraulic prop is a constant resistance prop, which can be matched with various top beams and can also be used as the main post. It can be used for the support of general mechanized coal
On March 25, a batch of mining single hydraulic props equipment was installed in the intelligent equipment production and manufacturing workshop of China Coal Group, and will be sent to a mine in Lanz
Suspended hydraulic props are used as supporting equipment in coal mines, and underground mines are relatively dangerous places. Suspension hydraulic props is a kind of external injection type hydraul
Due to the technical principles and structural characteristics of the piston-type single hydraulic props, a weak arc welding seam is provided on the column. The quality of the arc welding seam is diff
