In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not...
The use of air picks and precautions
air pick is a kind of manual pneumatic tool; it uses compressed air neon to push the reciprocating motion of the live package; it makes the head of the pick con...
When the crawler drilling rig is constructed on a site with soft soil, the crawler and the rail link are easy to adhere to the soil. Therefore, the crawler should be adjusted slightly loose to prev...
The following points should be paid attention to during the construction of the deepwater good drilling rig:
1. Scrub the outer surface of the drilling rig, and pay attention to the cleaning and ex...
Pneumatic rock drills are mainly used for two purposes:
1. The rock drill is a stone mining machine that uses the rotation and impact of the steel drill to drill holes in the rock, and is also use...
The pick is a kind of pneumatic tool which is widely used in mining industry and construction industry. But how to reduce the vibration of the pick handle has become an urgent technical problem to ...