System is transferred to double -walled steel cofferdam

The utility model discloses a system is transferred to double -walled steel cofferdam, include: two portal frames of longitudinal sliding motion, respectively with four of double -walled steel cofferdam hoist and mount points through hanging the muscle fastening connection, hoisting device includes: the bearing room, it is through a pair of casting pulley lateral sliding on the portal frame, raising plate, its level sets up the top in the bearing room, positioning screw, a set nut and the 2nd set nut, bearing room and raising plate are worn out to the positioning screw upper end, and a set nut sets up in the indoor portion of bearing, and the 2nd set nut sets up in the raising plate top, hydro -cylinder, piston rod pass the top of bearing room and raising plate's central fixed connection, carry the trombone slide, the both ends of hanging the muscle respectively with a hoist and mount point fastening connection of double -walled steel cofferdam. The utility model discloses can steadily support transferring th