The main reason for the accident of the elevator door system

Elevator accident characteristics and emergency measures I. Elevator accident characteristics There are many personal injury accidents in elevator accidents. Among the casualties, elevator operators and maintenance workers account for a large proportion. 2. The accident rate of the elevator door system is high, because each operation process of the elevator has to go through the door opening operation process twice and the door closing operation process twice, making the door lock work frequently, the aging speed is fast, and over time.

Causes the door lock mechanical or electrical protection device to operate unreliably. Causes of elevator accidents Elevator maintenance units or personnel have not strictly implemented the principle of 'safety-oriented, pre-inspection and repair, and planned maintenance'. 2.

The main reason for the accident of the elevator door system is that the door lock works frequently and the aging speed is fast, which easily causes the door lock machinery or electrical protection device to operate unreliably. 3. The top or squat accident is generally caused by the elevator's brake failure. The brake is a very important part of the elevator. If the brake fails or has hidden dangers, the elevator will be out of control. 4. Other accidents are mainly caused by the failure or unreliability of individual devices. 3. Emergency measures for elevator accidents

The elevator stopped suddenly due to power interruption, elevator failure and other reasons during the operation of the elevator. When passengers are trapped in the car, they should ask for help by means of alarms, intercom systems, mobile phones or elevator car. In order to avoid accidents such as 'shearing' and 'falling wells'. 2. In order to rescue the trapped passengers, it should be operated by maintenance personnel or under the guidance of professionals. When the car is turned, it should be performed slowly, especially when the car is turned on under the light load, to prevent the car from slipping due to the heavy load. When cranking high-speed elevators without gear traction machines, 'gradual' should be adopted, and the brakes should be loosened step by step to prevent the elevator from losing control. 3.