Asphalt pavement coring drill and coring machine

• Main Authors: NING WANCHAO, AN FENGWEI, HAN CHAO, ZHANG WEIGUANG, XU JINYU, PENG CHUNHUI, JI LEI, MA TAO, XIA YONG, WU YAO, LIU WENKE, CHEN NING, WEI WUJU
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The asphalt pavement coring drill comprises a T-shaped frame, a first vertical rod and a second vertical rod, the side face of the bottom end of the first vertical rod is fixedly connected with a fixing cylinder, a stretchable bent rod is inserted into the fixing cylinder, one end of the bent rod is fixedly connected with a clamping block used for clamping, and the other end of the bent rod is fixedly connected with a clamping rod used for clamping. The surface of the bent rod is sleeved with a first reset spring. According to the bituminous pavement coring drill and the coring machine, during sampling, a motor is started to drive cutting blades to rotate, the cutting blades in four directions of a fixing disc are used for cutting at the same time, a rut plate can be conveniently and completely cut, operation is convenient, a bent rod can be outwards stretched through the acting force of a first reset spring, a clamping block is clamped at the cutting position of the cutting blades, and sampling is convenient