Multi-stage hydraulic pressurizer based on mechanical devices
A hydraulic pressure, three-stage technology, applied in the direction of drill pipe, casing, drill pipe, etc., can solve the problems of easily damaged nozzles, difficult drilling pressure transmission, easy jamming, etc., achieve long service life and improve drilling stability , reliable effect
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[0014] Below in conjunction with figure, the present invention will be further described:
[0015] According to the drawings, the three-stage single-stroke hydraulic pressurizer consists of an upper joint, a three-stage piston cylinder, a three-stage piston, a two-stage piston cylinder, a two-stage piston, a main piston cylinder, a main piston, and a main piston rod. , roller, seal ring and lower joint, characterized in that: the three-stage piston cylinder 4 is connected to the lower end of the upper joint through threads, and the seal ring a2, three-stage piston 3, and seal ring b5 are installed in the three-stage piston cylinder in sequence 4 inside; then sealing ring c6, secondary piston 7, and sealing ring d9 are installed in the secondary piston cylinder 8; the main piston cylinder 13 is located between the secondary piston cylinder 8 and the lower joint 17, and the main piston 10 , and sealing ring f12, sealing ring g15, and main piston rod 14 are loaded into the main p...
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