Safety protection device for vertical shaft blasting

• Main Authors: LI YUNENG, PAN YONG, ZHU JIECHAO, XU CHENGJUN, PU HENGQIANG, TANG MINGYUAN, MING YUE, ZHANG XIUYU
• Format: Patent
• Language: Chinese; English
• Published: 03.03.2020
• Subjects: AMMUNITION; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The utility model discloses a vertical shaft blasting safety protection device. Top cover and base, one end of the top cover and one end of the base are hinged with a turntable; lock catches are annularly arrayed at one end of the turntable; fixing rods are arranged on the side wall of the rotary disc in an annular array mode. A movable rod is inserted into the fixed rod; a sliding groove is formed in the side wall of the movable rod. A sliding block is placed in the sliding groove; supporting rods are hinged to the ends, located outside the sliding grooves, of the sliding blocks; a locking block is arranged at one end of the supporting rod and matched with the lock catch. According to the sand bag, when the sand bag is not used, the sand bag is convenient to store and transport, comparedwith a traditional sand bag, the occupied area is saved, sandy soil with the corresponding height can be filled into the sand bag according to needs, and the controllability is high. 本实用新型公开了竖井爆破安全防护装置，包括顶盖和底座，所述顶盖和底座的一端铰接有转盘