Title:
BRIDGE GIRDER INSPECTION DEVICE
Document Type and Number:
Japanese Patent JP2015218531
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a bridge girder inspection device, manufacturable at low cost, and capable of simply inspecting a bridge girder.SOLUTION: A bridge girder inspection device comprises a levitation gas storage bag 11 for storing gas smaller in specific gravity than air, a frame body 12 for joining this levitation gas storage bag, an upper abutting part 13 supported by the frame body and butted against an under surface of a bridge girder 2 by levitation force acting from the levitation gas storage bag and a camera 14 for photographing the bridge girder in a state where the upper abutting part is butted against the under surface of the bridge girder, and also comprises an operation string 15 of which one end is joined to the levitation gas storage bag or the frame body and the other end is held by an operator of staying on the ground or an operator staying on the bridge girder. A travel wheel 16 for traveling along an under surface of the bridge girder is provided in a part for contacting with the bridge girder of the upper abutting part. A state of the bridge girder is photographed by the camera by traveling on the under surface in a state of abutting on the under surface of the bridge girder by levitating with the levitation gas.
Inventors:
NAKAGAWA TOSHIKO
Application Number:
JP2014104380A
Publication Date:
December 07, 2015
Filing Date:
May 20, 2014
Export Citation:
Assignee:
SAGA CO LTD
International Classes:
E01D22/00; E01D19/12; G01N21/84; G01N21/88
Attorney, Agent or Firm:
Kiyoshi Miyakawa
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