The utility model relates to a shipbuilding in -process, the handcart is removed on whole ship all segmentations carrying on positioning adjustment's hydraulic oil top. The utility model discloses the device automobile body includes through the bushing's in concentric different footpaths last supporting platform, lower supporting box, place a vertical machinery oil top in the open space in the middle of both, can be used to the height that supporting platform was gone up in nimble adjustment, the box welds the bearing axle down, and installation explosion -proof tire in both sides welds the supporting leg simultaneously, box second side welding handle is used for handly down, go up supporting platform and weld the scaffold sleeve pipe all around, again with in the railing threading, prevent the transportation in the hydraulic oil top sideslip. The utility model discloses the advantage lies in: with heavy hydraulic oil overhead on be the removal handcart of its preparation specially, stability labour saving and time saving just by force in the transportation.