Today we will talk about the knowledge about the resistance of single hydraulic props to microbial erosion. The hydraulic prop has fewer processing steps, which can save the adjustable props surface a
DWX (suspended) single hydraulic prop is a new type of steel acrow props equipment developed by China Coal Research Institute. DWX Single Hydraulic Prop series products are technical products protecte
The use of hydraulic prop is very rare in our lives. Generally, it is only used more in some mines and mines. So what should we pay attention to when using acrow prop?
Now let's get to know the suspension type single hydraulic prop, it is a constant resistance single hydraulic prop with external liquid supply, it is the supporting equipment of the mechanized general
The working pressure of the existing single-unit hydraulic prop is 28.5 MPa; the opening pressure of the upper working pressure safety valve is 31.5 MPa; the rated working resistance of the prop is 30
For a long time, accidents have occurred frequently on coal mine construction sites. What is the cause of the accident? It is often because workers do not pay attention, whether the equipment is regul