PURPOSE: To require no scaffold and to enhance the working efficiency and safety of work after the completion of erection by providing a pair of clamping members to a main member capable of suspending and bearing horizontally to a hoisting equipment, and providing expansion mechanisms expanding a rod-like interlocking member in the horizontal direction to the clamping members.
CONSTITUTION: A position of a pin insertion hole 11 is accorded with a position of an interlocking hole 19 formed in the end of a PC column 2, and a pin 7 is also projected to the inside of the pin interlocking hole 19 manually to inter- lock. After that, a suspension metal fixture of a hoisting equipment is mounted to a suspending and bearing metal fixture 18, and after the PC column 2 is suspended upward, the PC column 2 is lowered to a required execution position. Then, a position of a column suspending jig 1 is slightly lowered than a suspending and bearing state of the PC column 2 to be in a state having no suspension load. An air cylinder 9 is operated through a control section 13 by radio operation to project a rod 12, and the pin 7 is pulled out from the pin interlocking hole 18. According to the constitution, the working and safety are enhanced, and the execution cost can reduced.
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MOTOHASHI JUNICHI
YANAGIDA RYUICHI
ABE TSUTOMU
WATANABE MAKOTO
SHIMIZU CONSTRUCTION CO LTD