I believe that everyone has the trouble of how to maintain the rotary drilling rig in the rainy season, so how to correctly maintain the rotary drilling rig in the rainy season?timely cleaning In the event of heavy rain, it should be cleaned in time, otherwise it can lead to the accumulation of sl Read More

Piling is a matter of experience, because there is not much data to refer to, and there are no relevant books to consult.Today to talk with you, rotary drilling rig piling, is it the smaller the pile diameter, the better to play?Now that you're asking that question, you should feel a little weird.Do Read More

------------------------- What is a rotary drilling rig?------------------------- Rotary drilling rig is a kind of heavy equipment widely used in foundation engineering, mainly used in pile foundation construction, especially in foundation construction and civil engineering is very important. Its s Read More

When drilling in karst cave area, the mud is easy to leak, and the mud elevation in the hole suddenly drops, which will lead to the failure of the wall protection in the hole and lead to the accident of hole collapse. The filling material in the cave is loose and has collapsed. If the volume of th Read More

The barrel drill is a special drilling tool. By cutting a ring groove, the core can be broken by a punch or a screw bit.Due to the different welding and cutting rings, the drill is divided into CB-I, CB-II, CB-III, CB-IV four kinds.Operation notes: when drilling is full, you can lift the drill, and Read More