Reciprocating type borehole dredging tool
A reciprocating, wellbore technology, applied in the direction of flushing wellbore, wellbore/well components, earth-moving drilling, etc., can solve the problems of difficulty in lowering logging instruments, blocking of drilling fluid, etc., and overcome the axial reaction force of the mixing head. effect, viscosity reduction, easy control
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[0013] like figure 1 and figure 2 Shown, a kind of reciprocating borehole dredging tool of the present invention is made of cable 1, taper sleeve 2, locking nut 3, locking joint 4, adapter 5, righting cylinder 6, stepper motor 7, screw a8, key 9. Upper thrust bearing 10, bearing sleeve 11, lower thrust bearing 12, bearing housing 13, transmission screw 14, connecting cylinder 15, sliding pin 16, transmission screw sleeve 17, sliding sleeve 18, anchor body 19, screw b20, Cover plate 21, spring 22, anchor claw 23, rotating shaft 24, roller 25, anti-drop cap 26 and stirring head 27 are composed; it is characterized in that: the upper end of cable 1 is connected to the ground console, the lower end of cable 1 has a core and a stepping motor 7 The connection port is conducted; the cable 1 passes through the inner cavity of the locking joint 4, and three splits are evenly arranged on the upper part of the locking joint 4 in the circumferential direction, the upper end of the outer...
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