Screw hole drilling device for exploring shallow soil layer

• Main Authors: JIANG TIEJUN, PI DONGDONG, YU JIN, WANG CHAOGUANG, WANG ZHANG, WANG BING
• Format: Patent
• Language: Chinese; English
• Published: 19.11.2019
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to a screw hole drilling device for exploring a shallow soil layer. Wherein the extension rod is arranged at the bottom of the motor driving mechanism and is in transmissionconnection with the motor driving mechanism, the threaded rod is arranged at the bottom of the extension rod and is detachably connected with the extension rod, and the drill bit is arranged at the bottom of the threaded rod and is detachably connected with the threaded rod. A handheld mechanism is arranged at the top of the motor driving mechanism, and a power supply mechanism electrically connected with the motor driving mechanism and a water injection mechanism matched with the threaded rod are arranged on the side face of the motor driving mechanism. Compared with the prior art, manpower is replaced by mechanical power, and time and labor are saved; the threaded rod and the drill bit are both detachable, threaded rods of different lengths and drill bits of different materials can be replaced conveniently accor