QZ 8 Ton Electric Grab Crane, 19.5m Span for Coal & Ore Transport

1.QZ 5~20ton Grab Overhead Crane
▪ The grab overhead crane lift the cinder, coal, sand, ore, limestone, slag, and other granular material in the indoor or outdoor. It apply to metallurgy, cement, chemical and other enterprises warehouses and workshops.
▪ The machine is A6 work systems, and the lifting weight includes the load weight of grab.
▪ This grab crane includes five parts, box structure, traveling mechanism, trolley, grab and electric equipment.
▪ Grab only applies to natural granular materials piled state, when crawling underwater materials or special materials shall be specially made when ordering.
▪ The crane cab and closed two separate types, control room entrance direction of face, side and physiognomy, shared production choice.

2. QZ 5~20ton Grab Overhead Crane
▪ Lifting capacity: 5ton, 10ton, 16ton, 20ton
▪ Span:10.5m~31.5m
▪ Lifting height: 8m~22m
▪ Lifting speed:40m/min, 39.2m/min, 43.39m/min, 43.3m/min
▪ Grab type: Orange-peel grab, Clamshell grab, waste garb

3. Working principle of garb overhead crane:
Extract device is a four-rope grab double drum, with simple structure and reliable work. Grab can open and close at any height, when crawling material fragmentation is less than 100mm, it will result in good effect and high productivity. When the material block is over 200mm, it need use with a toothed grab. The open closed direction of grad are two kinds: parallel and vertical beams. The parallel ones is special types, usually specified in contract.