1. Double compensation function: It can compensate for the elastic elongation of the head rope caused by the change of the end point load. The stopping error is effective in the range of -450mm~ + 150mm, and there is no need to repeatedly check the cage to improve the operation efficiency.

2. Transmission form: upper and lower compensation arm mechanical linkage, single cylinder drive, good synchronization performance and convenient operation.

3. Can locking operation: can choose whether to lock according to the lifting situation, double compensation function to ensure the efficiency, locking function to ensure the safety of large parts, its locking force can be clearly displayed on the operating table.

4. Flexible lock cage: The double compensation function compensates for most of the elastic elongation of the lifting rope, and the slider-type mechanical lock locks the container again to reduce the requirement of locking force.

5. Easy to unlock: one-key unlock, active, variable resistance uniform release of the residual elastic elongation of the wire rope, no need for winch cooperation.

6. Intrinsic safety: It has intrinsic safety, and under any working conditions, there is no hidden danger of cage crushing.

7. Serialization: The swing deck locking system has been verified on different mines for many years. The product is mature, reliable and safe to use. It has been standardized and serialized, and the use is good.