Patent ID: 10202807

Abstract:
A vertical shaft drilling rig which includes a derrick and a flatcar element. The rig includes a drill pipe connecting to the derrick, a pipe joint provided on the drill pipe, a device for stabilizing cutterhead pressure connecting to the drill pipe, a torque amplification driver at which the device for stabilizing cutterhead is installed, a cutter head connected to the torque amplification driver, a separate plant on the ground surface, a muck removal system transporting the muck produced to the separate plant, an electric cabinet, a hydraulic station, a power line, and a deep shaft line extension device between the hydraulic station and the power line. The torque amplification driver includes a pressure balance valve, a planetary reducer, a drive flange and a main bearing. The deep shaft line extension device includes a float, a pulley assembly, a line reel, a steel wire and a winch.