BMH Model Electric Hoist Semi-Gantry Crane1.Semi-Gantry Crane is A-type double girder or single girder gantry crane which only have one unilateral leg,Website:http://www.xqcranes.com, one side of it is the leg traveling on the ground track, the other side is the end of the bridge girder institution traveling on the bracket track, it saves cost and space of operation plant and open area.2.Semi-Gantry Crane form three-dimensional work space by hook moving up and down, trolley traveling left and right and crane traveling back and forth, to achieve moving, overturning and other operations for lifting goods.3.BMH Model Electric hoist Gantry crane is used together with CD1 MD1 Model electric hoist. it is a track traveling small and medium-size crane. Its proper lifting weight is 2~16t, proper span is 5~20m. Its proper working �temperature is -20?- 40?.FeaturesSemi-Gantry Crane mechanical structure is mainly composed of: bridge frame, crane traveling mechanism, trolley part and electrical part.