To provide an apparatus for easily transporting a heavy load W between the working face side and the portal side using a space between a protector 1 for securing the passing of a general vehicle f or the like, and a heavy machine d for construction work in widening construction work for an existing tunnel a.
A rail 2 serving as a movement guide means extending in a direction parallel with a passage 10 formed by the protector 1 installed in the existing tunnel a, is mounted to the upper part of one side of the protector 1 through a bracket 3, and a hoist 4 travelable along the rail 2 is disposed to lift the heavy load W such as concrete debris by the hoist 4 for conveyance. The heavy load W can thereby be easily conveyed even if the space between the protector 1 and the heavy machine d for construction work is narrow.
ISHIMURA TOSHIAKI
NAKAMORI JUNICHIRO
HORIUCHI HIDEYUKI
FUJIWARA YASUMASA
ASANUMA YASUKI
SUZUKI YUICHI
NOMA TATSUYA
SENTAN KENSETSU GIJUTSU CT
TAISEI CORP
SHIMIZU CONSTRUCTION CO LTD
FUJITA CORP