Mechanical-delay two-stage braking manual emergency oil return device and method
Tension monitoring sensor for eliminating vibration peak value of elevator steel wire ropes
Pressure sensor used for monitoring tension of steel wire rope of friction type winder
Single-rope skip bucket device with weighing and anti-falling protective structure
Steel wire rope slipping-back preventing device for aerial passenger device
PRESSURE SENSOR FOR WEIGHING LOAD OF MINE MULTI-ROPE HOIST
Overspeed catcher for large-dip angle aerial passenger device steel wire rope
CONSTANT DECELERATING HYDRAULIC SYSTEM FOR SAFE SHIFTING BRAKING OF HOISTER AND BRAKING METHOD
Winding drum with built-in motor and multi-stage speed reducer