Automatic deviation rectifying device for hydraulic drill
An automatic deviation correction device and hydraulic technology, applied in the field of drilling, can solve the problems of uneven wear, increased workload, and casing not centered, etc., and achieve the effects of efficient deviation correction operation, guarantee of neutrality, and convenient operation
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[0014] Example 1
[0015] Such as figure 1 As shown, an automatic correction device for a hydraulic drill includes an inner rod, an outer sleeve, a hydraulic system, and a Bluetooth module. The inner rod includes a special inner rod and a drill pipe adapter. The special inner rod is hollow. A special inner rod is connected with a drill pipe joint, an eccentric annular groove is dug in the special inner rod, and a rod with a cylindrical end at one end is embedded in the groove.
[0016] The outer sleeve includes: a sleeve cylinder and two end covers. The sleeve cylinder is sleeved outside the special inner rod through a bearing. Four small thrust hydraulic cylinders are evenly distributed on the circumference. The two end covers are respectively arranged on At both ends of the sleeve cylinder, a through hole is opened in the center of the end cover, and the through hole size corresponds to the outer diameter of the special inner rod. An eccentric annular groove is dug in the speci...
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