SP-8A Cable Percussion Drilling Rig For Large Boreholes 300m

SP-8A Cable Percussion Drilling Rig For Large Boreholes

SP-8A Large Diameter Cable Percussion Drilling Rig Feature and Application:

A. Percussion drilling rig is mainly used in deep foundation engineering (tall building engineering, water conservancy project, bridge construction) construction of large caliber cast-in place pile and construction of diaphragm wall and deep water well.

B. The impact hammer of Percussion drilling rig can break rock into pieces and then use the slag exhausting equipment to clean the slag out of the hole. The drill bit is a heavy hammer can drive the soil, sand, pebble and etc into around of the hole, no need to exhaust them out of the holes. Meanwhile, the formed hole wall is high dense and strong and improving the carrying capacity of the pile foundation.

C. Percussion drilling rig is very popular in the market currently, all of its components are all installed in the trailer, like electric motor, hoist, mast etc, integrate motion. The percussion drilling rig uses the crank-link mechanism to change the power’s gyration motion into alternating motion, through the steel cable to drive the drill bit to do up-and-down motion.

SP-8A percussion drilling rig is one of the most important drilling machine in the piling foundation and bore hole drilling. It can adapt various geological condition, especially for drilling hole in gravel and rock with strong adaptation. Meantime, percussion drilling rig has high pore forming efficiency and good pile formation quality.

SP-8A drilling rig is very popular in the market currently, all of its components are all installed in the trailer, like electric motor, drive motor, hoist, mast, etc, integrate motion. The percussion drilling rig uses the crank-link mechanism to change the power’s gyration motion into alternating motion, through the steel wire rope to drive the hammer bit to do up-and-down motion. With the impact effect of the hammer bit’s free failing, to break the soil, sand, gravel or rock into pieces, and then use the slag tube or mud pump to clean the slag our of the hole.

Tubular bit has all kinds of diameters, the hole decides the size and weight of the bit. This tubular bit is very efficient in drilling soil, sand, gravel and rock layer whose hardness is less than 1000kp.

Solid bit has various shapes, but most of the shapes are”+” or “-” types. There are all kinds of sizes, the diameter of the hole decides the size and weight of the bit. This solid type bit is hard to break in drilling rock layer whose hardness is more than 1000kp.

The drilling way of percussion rig is to break the rocks into granular slag, though it is not as efficient as core drilling rig or screw drilling rig, but it is irreplaceable, for it can operate in the geological layer when other drilling rigs can not. In short, there is no layers that this kind of drilling rig can not drill, the drill speed depends on the hardness of the working stratums.

SP-8A Cable Percussion Drilling Rig Technical Parameter:

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