Multifunctional fixture for drilling rigs
A multi-functional, fixture technology, applied in the direction of drill pipe, drill pipe, drilling equipment, etc., can solve the problems of inability to clamp the drill pipe and easy damage of the machine parts, so as to improve the work quality and work efficiency, reduce the damage of the machine parts, The effect of easy disassembly
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[0023] As shown in the figure: a multifunctional fixture for a drilling rig, including a cylindrical shell 1, a front end cover 2 and a rear end cover 3, the shell 1 is arranged between the front end cover 2 and the rear end cover 3, the front end Both the cover 2 and the rear end cover 3 have a central through hole. The multi-functional fixture also includes slips 4 and hydraulic cylinder 5, and the inner wall of the housing 1 is evenly provided with at least two oil cylinder slots 6 along the circumference, and the oil cylinder slots 6 are arranged axially, and the oil cylinders are embedded in the slots 6. In the positioning and fastening of the hydraulic cylinder 5. A plurality of oil passages are made along the circumference of the housing 1 and in the axial and radial directions. One end of the axial oil passage communicates with the annular oil passage, and the other end communicates with the radial oil passage of the rear end cover 3, so that the oil from the power out...
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