The working principle of the suspension single hydraulic prop includes several steps of lifting column, initial support, bearing and returning column, which are summarized as follows:
The suspension single hydraulic props, also known as the outer column type single hydraulic props, are the differences between the use of such single hydraulic props and ordinary hydraulic props? The
In order to regulate the use management of the single hydraulic props, improve the quality of the single hydraulic prop support and reduce the loss of the single hydraulic props, China Coal Group sum
The single hydraulic prop is suitable for the inclined coal seam working face with the coal seam inclination angle less than 25 degrees - 35 degrees. It can also cooperate with the metal hinged top be
How far should acrow prop be? This depends on the length of the work surface. First of all, we need to understand the difference between "hydraulic support" and "single hydraulic prop"They have two d