| 摘要 |
PROBLEM TO BE SOLVED: To provide the built-frame structure of a work platform, in which installation and disassembly and removal as the work platform can be conducted easily and rapidly by an extremely small number of built-frame members and which can be mounted sufficiently stably and can be operated safely and is particularly proper to operation to a building with a spherical exterior-wall peripheral surface. SOLUTION: Regarding the built-frame structure 1 of the transfer type work platform, a part or the whole of the cross section of a build-frame body 2 to a target building (a) consists of the combination of a plurality of supports 3, arms 5 and horizontal members installed along the vertical direction in response to a part of a circular exterior-wall peripheral surface in the built-frame body 2, and the built-frame body 2 is constituted horizontally movably along the circular exterior-wall peripheral surface. The built-frame body 2 is connected through girder members 31 supported onto the target building (a) in a rockable manner at the top end section of the built-frame body 2, and trap platforms 21, in which terminal sections reach under an approximately horizontal state up to places in the vicinity of the exterior-wall peripheral surface section of the target building (a) from supporting constituting sections consisting of the arms 5 and the horizontal members at each floor-layer place are mounted respectively.
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