Zhenhua Heavy Industry's 4500-ton crane crane successfully hoisted

Zhenhua Heavy Industry's 4500-ton crane crane successfully hoisted

Zhenhua Heavy Industry's 4500-ton crane crane successfully hoisted

On May 9th, Shanghai Zhenhua Heavy Industry Changxing Branch's armored wharf was waving and salute. The “Huaxi 5000” crane ship successfully hoisted 4958 tons of test heavy water tanks, proclaiming the successful completion of the 4,500-ton crane crane hoisting experiment in West China. The accuracy of the calibration tonnage is controlled at around 2%, which is the most accurate one in the history of the construction of the company's cranes. In addition, in the no-load test before the heavy-duty test, the lifting height is controlled to the millimeter level compared to the lifting range of more than 100 m of the hook. As the hoisting test progressed, the project entered the final stage. According to the plan, the ship will carry out anchoring experiments on the sea on May 16. If it progresses smoothly, it will be delivered directly at sea on May 30.
The Jiangyin Huaxi 4,500-ton crane vessel was tailor-made for Jiangsu Huaxi Village Marine Engineering Services Co., Ltd. The length of the ship is 178 meters, the depth is 17 meters, the width is 48 meters, the maximum weight of the main hook is 4,500 tons when the boom is fixed, the maximum lifting weight of the main hook is 3,000 tons, and the maximum weight of the auxiliary hook is 900 tons. The working anchor machine with a rated pull force of 110 tons is suitable for infinite navigation operations.
The construction of the 4,500-ton crane ship in Huaxi is of great significance. After the completion of the crane, it will become the first crane ship in Asia. The maximum rated lifting capacity of the single hook is 4,500 tons, which will refresh the first record of the company's "Hua Tianlong" single hook with a maximum rated lifting capacity of 4,000 tons. In addition, many measures during the construction of the project ensured the refinement: the project department used the 3D laser theodolite to adjust the main hook wire rope, and adjusted the horizontality of the main hook pulley frame to 5 mm; the key part of the rotation with a plane diameter of 3730 mm The central support circular machine machining flatness is precisely controlled within 0.2 mm; for the 28-meter diameter slewing track support beam plane overall structure, the final machining flatness is controlled within 1.5 mm, breaking the previous 3 mm precision control. These high-precision control measures improve product performance.

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