Box Type Double Girder and Single Girder Shipyard Crane Price

                             Box type double girder and single girder shipyard crane price 

Box type double girder and single girder shipyard crane is a kind of lifting equipment with large span, large lifting capacity,
multifunction and high efficiency, specialized in section transport, docking and turnover of hull in shipyard or slipway.

Box type double girder and single girder shipyard crane mainly consists of main girder, rigid leg, flexible leg, upper and lower
trolley, maintenance jib crane, crane travelling mechanism and electrical control.

Box type double girder and single girder shipyard crane achieves the turnover of hull through the cooperation of two trolleys. First,
upper trolley bear the whole weight of hull through the adjustment of the position of hook(Fig.1), and lower trolley pass under the
upper trolley. The hook is retied to another side of hull(Fig.2). Second, upper one will give up the hook, and Upper and lower one
go on reverse running and then finish the turnover of hull(Fig.3).

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