Elevator operation safety protection mechanism

• Main Authors: RUAN YIHUI, SUN PEIJIANG, ZHANG YI
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• Subjects: ELEVATORS; ESCALATORS OR MOVING WALKWAYS; HAULING; HOISTING; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses an elevator operation safety protection mechanism which comprises a guide rail and an elevator car, an upper limiting mechanism and a lower limiting mechanism are installed on the upper portion and the lower portion of the guide rail respectively, a lower collision bow matched with the lower limiting mechanism is installed on the lower portion of the elevator car, and an upper collision bow matched with the upper limiting mechanism is installed on the upper portion of the elevator car. In the maintenance operation state, the two second supports stretch in place to immediately trigger the travel switch verifying that the second supports stretch in place to act, only after the travel switch acts, the elevator can be operated to operate in the maintenance state, and if the travel switch does not act, the elevator cannot operate in the maintenance state; when the elevator cancels maintenance operation and recovers normal operation, the second support can be shrunk and reset immediately, th