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On July 5th, Taizhou Port Ship Co., Ltd. adopted the 500T and 200T two-way driving method. After the 83-meter pile frame was traveled for 400 meters, it was successfully hoisted and positioned on the slipway, which created the largest length of the company's history. The two records with the longest difficulty in long and joint suspensions indicate that the company has made new breakthroughs in the level of lifting large objects.
“Hanging!†At 2:35 pm on July 5, with the command of the ground commander, the 83-meter pile frame was smoothly lifted off the tire frame under the operation of the 500T and 200T driver, the cart walked, panned and tilted. Variable amplitude, bolt, seat, untie..... The whole process is tense and orderly, busy and not messy, lasting two and a half hours.
The hoisting pile frame has a total length of 83 meters and a weight of 405 tons. It is the core component of the 83-meter high piling offshore engineering ship. Whether it can be successfully hoisted at one time is related to whether the ship can be delivered on time and on schedule, plus this is the company's first There is a certain risk in hoisting by means of driving and hoisting. This hoisting is very important.
The lifting difficulty is concentrated on the three joint points: First, the pile frame is high and low on the hull, and it is inclined. To ensure safety, according to the inclination adjustment requirement, the 200T driving hook is raised, and the 500T driving car is at the same time. To synchronize walking, this requires a high degree of tacit cooperation between the two vehicles; the second is that when the hinge pin is inserted, the gap between the base hole and the bolt is not more than one millimeter, and the precision requirement is very high, and usually the lifting and lowering of the vehicle hook is as long as The joystick is slightly moving a few centimeters, which tests the driving driver's "embroidery needle" effort; the most difficult and dangerous is the two-vehicle hook unloading stage, when the bolt is in place to solve the steel cable, if the 200T driving cable is over Early, the 500T train may be subjected to a load of 890 tons far beyond its own lifting capacity due to the hull attached. If the 500T driving cable is too early, the 200T will also face the risk of being overloaded. Inadvertently, the consequences are unimaginable.
The three difficulties come down to one point, that is, two large-scale equipment of several hundred tons must work together to complete the task of “needle-hole threadingâ€, and only succeed in not failing.
Around this hoisting, the company has also done enough homework. The company has convened relevant departments to carry out program demonstrations, specially prepared a 48-page hoisting process, and invited experts from Hudong Shipyard and Shanghai Ship Design Institute to conduct evaluations, and organized relevant departments of the company to carry out detailed technical disclosures. The chief commander, executive commander, operator, and maneuvering steps of the hoisting, and the commanders and operators who participated in the hoisting task were repeatedly organized and coordinated, and required to cooperate with a high degree of tacit understanding to ensure that nothing was lost.
“This hoisting is perfect!†This is the evaluation given by Zhang Kuanlin, the deputy general manager of the company as the general commander of this hoisting task. He greatly appreciated the ground commander and two drivers from the ship's second workshop in the process of carrying out this mission. He was very appreciative of the calm performance, tacit understanding and skillful performance. He was involved in the comprehensive workshop of the rain. The hard work and dedication shown by us have been commended.