Rock drills work on the principle of impact crushing. During operation, the piston makes high-frequency reciprocating motion and continuously impacts the drill tail. Under the action of the impact force, the sharp wedge-shaped drill head crushes the rock and digs into a certain depth to form a dent. After the piston retracts, the drill rotates at a certain angle, and when the piston moves forward and impacts the drill tail again, a new dent is formed. The fan-shaped rock mass between the two indentations is sheared into pieces by the horizontal component force generated by the bit. The piston continuously impacts the drill tail and continuously inputs compressed air or pressurized water from the center hole of the drill to discharge the rock slag out of the hole to form a circular drill hole of a certain depth. The guide rail type independent rotary rock drill is a rock drilling tool powered by compressed air. It is used in conjunction with a tunnel drilling rig or an umbrella-shaped rock drilling hanger. It is mainly used for tunnel excavation, horizontal or downward blast hole drilling, diameter (mm), effective drilling depth. The drilling tool can be rotated forward and reverse. It can also be used for rock drilling in railway, highway, transportation infrastructure, water conservancy and quarrying projects.
Main technical parameters Machine weight
Outline dimensions
Using air pressure
Action water pressure
Impact energy
Impact frequency
Idling speed
Maximum torque
Air consumption
Drilling diameter
Drilling depth
Various types of air picks
Drills, drills, drills, drills, etc. Model drill bit
Air pick, pick barrel, valve group, handle, head, spring connection sleeve, windshield and other accessories
Air compressor screw machine of various types and pressures
Fusheng Kaishan Bolite Oriental Accessories for various models of air compressors such as Juba Jucai Jaguar, Bengbu Red Five-Ring, etc.
Gas storage tanks of various sizes.
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Jining Hongmai Machinery Equipment Co., Ltd.
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Address Shizhong District, Jining City, Shandong Province
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Contact person Manager Li
Various models of guide rail YGZ70 independent rotary rock drills