What are the safety devices of the construction elevator (including the safety protection device of the construction elevator)?

1. What are the safety devices of the construction elevator?

2. What are the safety devices of the rack-and-pinion construction elevator?

3. Construction of elevator safety device.

4. Safe use of construction elevators.

1. Speed limiter, buffer spring, upper and lower limiters, upper and lower limiters, safety hook, emergency stop switch, hanging cage door, fence door interlocking device, floor access door, communication device, ground entrance protective shed, broken rope protection device.