Method for installing pipeline scaffold of steel roof equipment and rigid suspended scaffold

Abstract

The invention discloses a method for installing a pipeline scaffold of steel roof equipment and a rigid suspended scaffold. The rigid suspended scaffold comprises a plurality of steel pipe upper trusses with same structures and a plurality of suspended scaffolds with same structures, wherein each steel pipe upper truss is built between at least two upper chords of a steel roof along the vertical running direction of an equipment pipeline, and the steel pipe upper trusses are connected with each other into a whole; each suspended scaffold is suspended and built below each steel pipe upper truss along the running direction of the equipment pipeline, and the length of a suspended overhead corridor formed by the longitudinal connection of the suspended scaffolds is the same as that of the corresponding equipment pipeline. In the invention, building floor type scaffolds is not needed, and high-performance special installing machinery is not needed, thereby saving construction period and cost. The invention is suitable for public buildings, such as long-spun sports and culture stadiums and the like, and equipment pipeline construction in the steel roofs of large-scale industrial buildings and the like.

Description

technical field [0001] The invention relates to a hanging scaffold, in particular to a method for installing steel roof equipment pipeline scaffolding and a rigid hanging scaffold. Background technique [0002] The air conditioning, ventilation, fire water supply and other equipment pipes inside the large-span steel structure roof are generally arranged in the space area between the upper chord and the lower chord, tens of meters above the ground. Construction difficulties are mainly manifested in: (1) No construction platform: the working surface to be installed is between the upper and lower chord layers of the roof, and there is no available operating platform. (2) Working at heights: The long-span steel roof is tens of meters above the ground, and there is no supporting point in the middle of the building, so the construction is very dangerous. (3) Cranes cannot work: the exterior wall and roof structure of the venue have been constructed, and due to the working charact...

AI Technical Summary

Problems solved by technology

Construction difficulties are mainly manifested in: (1) No construction platform: the installation working surface is between the upper and lower chord layers of the roof, and there is no available operating platform

(2) High-altitude operations: the large-span steel roof is tens of meters above the ground, and there is no support point in the middle of the building, so the construction is very dangerous

(3) Cranes are unable to work: the exterior wall and roof structure of the venue have been constructed, and due to the working characteristics of the boom, some conventional large cranes such as crawler cranes and truck cranes cannot enter the site for hoisting of equipment and pipelines

(5) The overall construction technology cannot be implemented: restricted by the rigidity and strength of the equipment pipeline, some construction techniques suitable for steel structure installation, such as: sliding method, overall hoisting method, overall lifting method, etc., cannot be applied to equipment pipelines construction

At the same time, a large area occupies the working surface on the ground, making it impossible for other professional types of work to carry out construction during this period.

(2) Self-propelled lift truck: Although the construction height of this type of machinery can reach 40m, it cannot cover the entire construction area of ​​the equipment pipeline, and some parts still need to find other solutions

At the same time, the demand for machinery used in a large range is large and the cost is high

(3) Power lifting platform: This type of machinery can be used as lifting equipment or as an operating platform, but the coverage area of ​​a single machine is small, the work efficiency is low, and the construction cost is high

The disadvantage is that the traditional hanging scaffold adopts the wire rope hanging method, which is not as reliable and safe as the floor scaffolding

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