Description:

Hook is one of the hoisting equipments of oil rig. It is used to hang the water swivel, drill string, during drilling process brake handle through control hoist, could tun the pressure exerted on the drill bit by the weight of drill string(namely bit presssure), make the bit press on the rock surface with suitable pressure, rotate continuously to fragment the rock, is used to hoist and down pass the drill string when making a trip. This mode could demo its operating principle and structural composition, and could also carry on dismounting training, trainthe skill of students maintaining for simple fault.

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