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The herringbone frame is the second major component of the 3,200- ton crane. It is a herringbone gantry structure consisting of a circular tube. The top upper beam is box-shaped. The rear frame of the herringbone frame is integrated with the hull and connected by a hinge. ; GABLE strut before welding the hull; luffing fixed pulley block mounted on the beam and the like on top of GABLE; GABLE from the surface to the highest point 45m, 1 Renzi Jia the sub total weight of nearly 400 tons.
GABLE crane installation is the key to the progress of 3200 tons, is the focus of this project will be a weight of nearly 400 tons of "monster" from the dock "fiddle" to the hull, no easy task. The " two-type ship " project department has been repeatedly negotiated with the relevant personnel and departments of the shipyard, supervision, etc., and after many meetings and assessments, according to the actual working environment of the site and the safety of the door machine, the final installation and construction has been passed. step of: by the shipyard gantry crane 600 tons, to complete the entire pan GABLE 90 °, flip straightened air, secondary air link, the secondary steering, auxiliary hanging hook, board, alignment mounting. The difficulty is that the installation GABLE "Air Turning straightened" and "secondary air link." During the installation of the herringbone frame, all the staff of the project stood by their posts, the division of labor was clear, and they worked hard. After five days of hard work, the two pairs of herringbone frames were successfully installed in place, and the staged victory was won, while the shipowners, supervisors and The shipyard is sure.
It is understood that Wu Bridge Heavy Industry by the construction of "two vessels" project, currently made new progress in 3200-ton crane 2 GABLE overall smooth installation on board the vessel.