Shandong China Coal Group Drilling Machine Branch

Air leg rock drill is a kind of pneumatic tool, which is widely used in mining industry and construction industry. But how to reduce the vibration of the air leg rock drill handle has become an urgent

The pneumatic rock drill is a kind of hand - held machine. Therefore, it is required that the structure is compact and portable. The pneumatic rock drill is a kind of pneumatic tool, which is widely u

Rock drill: used for drilling holes with diameter of 20 ~ 100 mm and depth of less than 20 meters in rocks above medium hardness. According to its different power can be divided into pneumatic, intern

Air leg rock drill ​is a modern drill products, it uses the design technology of modern drill, compared with the same type of products, has the advantages of low noise, light weight, good economy, fas

1. The water well drilling rig becomes loose The water well drilling rig newly processed and assembled parts have the deviation of geometric shape and matching size. At the initial stage of use, due

1. As the engineering drilling rig is a special vehicle, the operator shall receive the training and guidance from the manufacturer, have a full understanding of the structure and performance of the m