Shandong China Coal Group Drilling Machine Branch

The gasoline rock drill is one of the important rock drilling equipment. Let's take a look at the causes and solutions of these failures with the pace of the editor.

On the afternoon of March 31, the director of the Service Industry Division of the Shandong Provincial Statistics Bureau and other leaders visited China Coal Group .

Roof bolter, also known as soil nail machine, is a pneumatic impact machine, mainly used for rock and soil bolts, roadbed, slope treatment, underground deep foundation pit support, tunnel surrounding

There are four types of common faults. Today, let me talk about the first type of problems:

There are several methods of mechanical anchoring, early strength coiling and grout injection. The operation methods are as follows:

1.The shaft bears the full load of the negative machine, so good lubrication has a great relationship with the life of the bearing. It directly affects the service life and operation rate of the machi