Device for detecting swing of steel wire-rope of vertical shaft cage guide
TRACK SYNCHRONIZATION MOVING APPARATUS OF WELLBORE INSPECTION SYSTEM AND CONTROL METHOD THEREOF
Track synchronization moving apparatus of wellbore inspection system and control method thereof
SYSTEM AND METHOD FOR BOREHOLE INSPECTION FOR ULTRA-DEEP VERTICAL BOREHOLE
RAIL SYNCHRONOUS MOVING DEVICE FOR WELLBORE INSPECTION SYSTEM AND CONTROL METHOD THEREFOR
SHAFT INSPECTION SYSTEM AND STEEL WIRE ROPE MOVING DEVICE THEREOF
RELIABILITY ROBUST DESIGN METHOD FOR MULTIPLE FAILURE MODES OF ULTRA-DEEP WELL HOISTING CONTAINER
Horizontally movable vertical shaft rope guide and regulating method thereof
Pure electric modular vehicle-mounted drilling and workover rig
SYSTEM FOR MAN TRANSPORT ON INCLINED WORKING OVER LONG DISTANCES
DYNAMIC IDENTIFICATION AND CONTROL PARAMETER RE-CORRECTION SYSTEM AND METHOD