Rotary combined tool bit for pipeline crushing and unfreezing and pipeline crushing and unfreezing device

• Main Authors: BAO YIPENG, REN LEJIA, SUN XIANHANG, JI HONG, YAO WENKE, ZHAO JIUYAN, GUO MENGQI, YANG KE
• Format: Patent
• Language: Chinese; English
• Published: 26.06.2020
• Subjects: CLEANING; CLEANING IN GENERAL; CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN; PERFORMING OPERATIONS; PREPARATORY TREATMENT OF GRAIN FOR MILLING; PREVENTION OF FOULING IN GENERAL; TRANSPORTING

The utility model discloses a rotary combined tool bit for pipeline breaking and unfreezing and a pipeline breaking and unfreezing device, the rotary combined tool bit for pipeline breaking and unfreezing comprises a tool bit mounting plate, a central tool bit and peripheral tool bits, the peripheral tool bits are arranged around the central tool bit, and the peripheral tool bits and the central tool bit are mounted on the same side of the tool bit mounting plate at intervals. The pipeline crushing and unfreezing device comprises a rotary combined tool bit for pipeline crushing and unfreezing,a motor, a motor mounting base, an anti-freezing solution storage tank arranged at the rear end of the motor mounting base, a spray head arranged at the rear end of the anti-freezing solution storagetank and at least three walking wheels arranged on the outer side of the motor mounting base at intervals in the circumferential direction. A driving motor used for driving the walking wheels to walkalong the inner wall of th