| 1. | It provides steady lifting with low noise , and is equipped with lifting brackets , anti - fall supporting protection , stopping protection against wire fracture , limiting device for maximum load , control device for maximum lifting height and fixing device for the turning angle of the bracket arm 升降平稳、噪音低,并设有举升托架、防跌落支承保险、钢索断裂制动保险;最大负荷限定装置和托臂回转角度锁定装置。 |