In the construction of medium-thick pebble strata, fishing sand drills and rock drills (roller drills, barrel drills) are mostly used. The characteristics of the sand fishing bit: First, there is a baffle plate at the bottom of the bit to p ...

The anchoring rig is mainly used for the sliding wave treatment engineering of railways, highways, water conservancy and hydropower facilities and the anchoring engineering of dangerous rock masses, the anchoring engineering of high slope r ...

Water well drilling rig is a drilling equipment widely used in water conservancy construction, farmland engineering geothermal drilling, etc. No matter what equipment it is, it needs maintenance and maintenance to better improve work effici ...

Since the current types of rotary drilling rigs and drill bits are different, and the geology that can be drilled is also different, what kind of geology is rotary drilling suitable for? What geology is the rotary drill suitable for? 1. Sof ...

At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. 1.Bottom drilling method In the same form ...

For rig operators, track de-chaining is a frequent problem. For drilling rigs, occasional disconnection is unavoidable, because the working environment is relatively harsh, and the crawler tracks enter soil or stones will lead to disconnect ...

At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. Bottom drilling method In the same formati ...

The biggest difference between pneumatic drilling rigs and ordinary drilling rigs is the drilling method. Ordinary drilling rigs usually use rotary drilling, that is, relying on the rotation of the power head to drive the drill pipe and dril ...

The newly purchased water well drilling rig generally needs to go through a running-in period of 60 hours. A water well drilling rig in the break-in period has the following characteristics: 1. Fast wear and tear 2. Poor lubrication 3. Easy ...

In the Spring Festival Tiger new year of China, we sincerely thanks for your support in 2021 and hope we have good cooperation in 2022 and in near future. Please give my best wishes to you and your family. hope everything is going well on y ...