This utility is a kind of preventing manual door open elevator layer falls well produce personnel safety protection devices of the accident. It is through the door in the current elevator layer under a set of machinery after adding hook clamping device (the hook behind a second hook September 10, with a second hook 9 10 end connection, second hook at the other end and auxiliary hook 10) and secondary 3 hooks connection open device (turned pole 4, leash from mechanical device), to ensure the elevator door open the layer with manual steps for safe operation. This device is the elevator door behavior recklessly homework personnel had a time buffer, make its on the second door open, with open doors to observe the elevator door layer in the enclosure is layer, thus help them correct judgement enclosure, to prevent falling well accidents.
Escalators, Elevator Machine, Elevator Traction Machine, Elevator Parts, Passenger Elevator