Bridge machine dismantling and installation construction method in factory building bridge machine renewal project

Abstract

The invention relates to an overhead crane detaching and installing construction method in a plant overhead crane updating project, and is aimed at providing the simple-process, convenient-to-operate,safe, reliable and low-cost overhead crane detaching and installing construction method in the plant overhead crane updating project. By means of the technical scheme, the overhead crane detaching and installing construction method in the plant overhead crane updating project includes the old overhead crane detaching method and the new overhead crane installing method, and is characterized by including the following steps of detaching connecting parts at the two ends of a roller in an old overhead crane so that the roller can be placed on the top face of a cross beam of the old overhead craneon the two sides of a plant through rotating shafts at the two ends of the roller, gradually cutting the inner side of the cross beam of the old overhead crane from top to bottom from the inner sideof the cross beam of the old overhead crane on the two sides of the plant to form a vertical notch groove communicating with the top face of the cross beam of the old overhead crane so that the rollercan be supported at the groove bottom of the notch groove through the rotating shafts at the two ends of the roller, and cutting the top of the roller to form two inlets. The overhead crane detachingand installing construction method is suitable for the plant overhead crane updating project.

Description

technical field [0001] The invention relates to a construction method for dismantling and installing a bridge crane in a factory building bridge crane renewal project. It is suitable for the renewal project of the bridge machine in the factory building. Background technique [0002] With the rapid development of science and technology, the requirements for the operation of hydropower station equipment are gradually increasing, and the hydropower station equipment constructed in the early stage of our country began to be updated year by year. The bridge crane of the main building of the hydropower station is an important lifting equipment of the hydropower station, which undertakes the heavy task of maintenance and hoisting of the unit, which is directly related to the efficiency and safety of the power station. [0003] The bridge cranes of the early hydropower plant buildings in my country were all designed with Chinese or Soviet-style trolleys, with large dimensions and a...

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Problems solved by technology

[0003] The bridge cranes of the early hydropower plant buildings in my country were all designed with Chinese or Soviet-style trolleys, with large dimensions and a small space with the roof of the plant. If the traditional hoisting process is used when the bridge cranes are updated, in order to meet the lifting space, some parts need to be opened. The roof of the factory building will seriously affect the construction period of the renovation project, and the cost will also increase significantly, which will have a major impact on the annual unit inspection and maintenance of the power station, and may affect the safe operation of the power station

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