How does the driver of the construction elevator do the search for a sudden power failure
When the elevator in the operation of the midway stop due to power outages or other reasons, the manual can be decreased, the end of a motor brake electromagnet manual release slowly shake handshandle pull outward, slowly slide down the ladder cage, ladder cage fall shall not exceed the rated speed, manually drop must be conducted by professional maintenance personnel.
There are clear rules for the safety of construction machinery (JGJ33-2001). 6.12.17 when the elevator is running in an existing abnormal condition, it should stop immediately and take effective measures to reduce the cage down to the ground level, and keep running after the failure. When the electric is out of control in operation, the stop button should be pressed immediately. The stop button is not allowed until the failure is ruled out. 6.12.20 when elevator in the operation of the midway stop due to power outages or other reasons, can be manually, the end of a motor brake electromagnet manual release slowly shake handshandle pull outward, slowly slide down the ladder cage, ladder cage fall shall not exceed the rated speed, manually drop must be conducted by professional maintenance personnel manipulation.
When the elevator is running in an abnormal condition, it should stop immediately and take effective measures to bring the ladders down to the ground floor. When the electric is out of control in operation, the stop button should be pressed immediately. The stop button is not allowed until the failure is ruled out.
