Quick! 11 "Sany Red" completed the dismantling of the 7-span trestle bridge in 13 hours

In order to promote high-quality development, Tashan Coal Mine of Jinneng Holding Coal Group adheres to the principle of "transformation in the production process and production in the transformation process", and continues to accelerate equipment upgrading.

In mid-May, the 100A1 belt conveyor trestle in the coal preparation plant was in urgent need of demolition and renewal. The total length of the 7-span trestle to be demolished is 235.2 meters, the weight of a single span reaches 65 tons, and the single span of the new trestle is 84 tons.

The hoisting construction situation is complicated, and the trestle demolition work is even a "dangerous project", but the hoisting time reserved by the project party is only 36 hours, which is very tight.

In order not to affect the progress of the project, the construction party used 11 Sany at a timecraneAt the same time, 2 SAC6000, 2 SAC4500T, 2 SAC3500T, and 1 SAC3000T are the main hoisting equipment, and other equipment is auxiliary hoisting.

There are many equipment, but the construction site is cramped, and there is a slope, and the equipment is difficult to stop, among which SAC4500T in the operation, the suspension degree of the first, second and third bridges has been close to 40 cm.

Through the careful organization of many parties, the hoisting work is busy but not chaotic, tense and orderly, the original plan of 36 hours of hoisting task, the final time is only 13 hours, and the task is completed ahead of schedule.