With the continuous improvement of coal mine support, the single hydraulic prop has been used to support the mining surface. Therefore, for each mining area, the maintenance workload of single hydraul
As is known to all, suspension hydraulic prop is used as support equipment in coal mine, which is a dangerous place underground. Suspension hydraulic prop is a kind of external injection hydraulic pro
Suspension hydraulic prop is an external injection type single support equipment developed by the Institute of Mining Machinery Research of China University of Mining and Technology. It is a replacem
Single hydraulic prop pipe, in accordance with standard GB / T17396-2009. It is mainly used to make coal mine hydraulic supports and cylinders and columns, as well as other hydraulic cylinders and col
Acrow prop is a kind of (external injection type) monolithic support equipment newly developed by the Institute of Mining Machinery of China University of Mining and Technology. It is a replacement pr
Due to the technical principle and structural characteristics of the piston-type single hydraulic prop, a weak arc welding seam is provided on the column. The quality of the arc welding seam is diffic
