The shield type hydraulic support has the support of the shield beam, which can be divided into single row column support on the shield beam according to the different supporting position of the colum
What is the effect of oil on the single hydraulic prop during the oil spill fault? For a single hydraulic prop, it is quite normal to cause a scratch of local area during use. But what should we do if
For a long time in the coal mine site frequently accidents, what is the cause of the accident? Often is the worker does not pay attention to, the equipment has regular maintenance and so on a series o
Today I would like to explain to you the two welding methods of single hydraulic prop cylinder diameter friction welding and manual welding, what are the differences between the two welding process, t
The testing system of seal quality of single hydraulic prop is mainly used for testing seal performance of single hydraulic prop of manufacturers and maintenance manufacturers.
The working pressure of the existing single hydraulic prop for mine is 28.5mpa; The opening pressure of the operating upper limit pressure relief valve is 31.5mpa; The rated working resistance of the
