QD model overhead or bridge crane with hook is mainly used in inside workshop. It is divided into two working class: A5 and A6 according to the use grade and load-up condition. The lifting capacity is 5T, 10T, 16/3.2T, 20/5T, 32/5T, 50/10T, 75/20T, 100/20T, 125/32T, 150/32T, 160/32T, 200/50T, 250/50T, 300/75T, 350/80T, 400/80T, 450/100T, 500/100T, 550/100T, 800/150T.
There are three kinds of method for entering the platform of cab from the side, from the end and from the top. The figure is the side entrance; arrowhead A shows the end entrance; the top entrance is at the place there is no door
The cab can be either fixed at the left end or at the right end; the figure shows that the cab is fixed at left end.
Safe slide wire or angle iron can be used for electric conduction of the crane; it can be either at the opposite side of the cab or at the same side of the cab.
Operation of the crane shall be finished in cab completely.