High-precision and large-diameter flange steel pipe segmenting and track-change installation method
A large-diameter, high-precision technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve problems such as the inability to ensure the installation accuracy of steel pipes, the inability to hoist the steel pipes in place at one time, and the inability to ensure one-to-one correspondence between flange eyes, etc. To ensure the effect of smooth installation
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[0042] see example figure 2 As shown in the figure, this high-precision, large-diameter flanged steel pipe partition and rail-change installation device includes a bracket, a trolley track placed on the bracket, a transport trolley 2 with a universal wheel 2.2 set on the trolley track, And a hoisting beam system set at the intended installation location of the two steel pipes. The bracket is used for the support of the trolley track, the trolley track is a special channel for steel pipe transportation, the transportation trolley 2 is a tool for steel pipe transportation, and the hoisting beam system is used for hoisting the steel pipe during positioning. The present invention adopts two mutually perpendicular steel rails (the No. 1 rail 3 and No. 2 rail 4) to transport the steel pipe 1 to the installation location outside the working range R covered by the tower crane, that is, the location where the steel pipe is to be installed.
[0043] The trolley track is composed of th...
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