Rope loosening power-off protection device for material elevator

• Main Authors: WANG LEI, LI JINLONG, WANG JIAN, MA FURONG, MAO SHUQIANG, XIN LONGFEI, HOU YONGNAN, GAO BO, WANG HAITAO, MIAO YONGHUA, WANG YUCHENG
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2020
• Subjects: ELEVATORS; ESCALATORS OR MOVING WALKWAYS; HAULING; HOISTING; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a rope loosening power-off protection device for a material elevator. The device comprises a frame, a spring, a steel wire rope stringing device, a travel switch fixing support, a travel switch and a U-shaped clamp, chutes are reserved at two ends of the frame; a travel switch fixing support is mounted on the inner side of the frame; the number of the travel switch fixing supports is two. A travel switch is mounted at the bottom of the travel switch fixing support; a steel wire rope threading device is arranged inside the frame; the number of the steel wire rope threading devices is also two; the steel wire rope stringing device comprises a travel switch touch block, a pin shaft and a roller; the pin shaft penetrates through the roller, the exposed portions of the two ends of the pin shaft are arranged in the sliding grooves, one side of each travel switch touch block is connected to the pin shaft, the two springs are arranged on the two sides of the frame respectively, the springs