The door grab crane itself has a closure mechanism and a variety of styles. Hefei crane door grab crane is a double drum winch. There are two sets of reels inside, one set of reels through the wire rope, as a strength support, and branches for opening and closing. When the Hefei crane door is half-opened, it falls on a heavy object. At this time, another set of reels will close the wire rope to open and close, the wire rope pulls the beam, and grabs the crane two.China best Gantry Crane Manufacturer
Closing the plate lifts the material lifted in the bucket, lifts the wire rope and lifts the grab, and transports the wire to the unloading site to support the wire rope. At this point, the door grab crane will loosen the opening and closing of the rope and open the grab. This device is commonly used as bridge cranes, port cranes and winches. It is mainly used in the chemical industry, the terminal transportation industry, ports and power plants to capture a variety of loose accumulation.
Lifting the electric grab can be seen as moving the closed drum to the grab itself. Since the four-rope grab is no longer affected by the closing of the drawstring, the motor grab is closed, the grab is completely excavated by its own weight, and the gripping ability is large, which is most suitable for grabbing refractory materials such as ore.