Slurry power bidirectional control hydraulic system for drilling and operation method thereof
A hydraulic system and two-way control technology, applied in drilling equipment and methods, drilling equipment, earthwork drilling and production, etc., can solve problems such as simple structure and achieve the effect of reducing demand
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[0013] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0014] Such as figure 1 As shown, the present invention comprises No. 1 power bladder device 1, No. 2 oil storage bladder device 2, No. 1 electromagnetic valve 3, No. 2 electromagnetic valve 4 and power piston cylinder 5.
[0015] The No. 1 power bladder device 1 includes a mud power bladder 6, the input port 7 of the mud power bladder 6 is open, and is used to inject mud into the mud power bladder 6, and a drill string is provided near the input port 7 of the mud power bladder 6. Pressure sensor, the outer sealing cover of mud power bladder 6 is provided with a metal shell 8, is filled with hydraulic oil 9 between metal shell 8 and mud power bladder 6, is connected with a hydraulic oil circuit 10 on the metal shell 8.
[0016] The No. 2 oil storage bladder device 2 includes an oil storage bladder 11 filled with hydraulic oil 12, the input port of th...
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