In the construction elevator, the motor locking device is also a safety device, which can play a role, is to ensure that the brake is off properly to avoid lift fall off to cause an accident.
SC double cage type, it is one of the lifts, its application, and it is by rack and pinion drives, can be used for the transport of people and goods, its main advantages are as follows:
(1) reasonable structure, simple operation, convenient installation and removal.
(2) its appearance, and is safe and reliable.
(3) configure it for high, good performance and long service life.