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Title:
MAGNET CRAWLER RUNNING APPARATUS
Document Type and Number:
Japanese Patent JP3452825
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To achieve stable running on a running surface, having difference in level by providing unevenness which has a shape corresponding to that of the unevenness of the running surface to the tread surface of a magnet crawler.
SOLUTION: A magnet crawler running apparatus is equipped with a crawler chain 55 to which a plurality of magnet units 50 attracting a columnar running surface 2, a plurality of guide rails 51A, 51B, 51C holding the crawler chain 55 in a movable manner, a support device for supporting the guide rails 51A 51C on a stand 59, capable of being loaded with an ultrasonic scanner and the sprockets 56 for driving the crawler chain 55 and constituted so as to attract the columnar running surface 2 to run. In this case, the magnet units 50 have tread surfaces having the shape corresponding to the unevenness of the columnar running surface.


Inventors:
Shigeru Kajiyama
Yuji Matsui
Naoyuki Kawano
Hiroaki Chiba
Masahiko Kuroki
Hideo Iida
Application Number:
JP2249199A
Publication Date:
October 06, 2003
Filing Date:
January 29, 1999
Export Citation:
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Assignee:
株式会社日立製作所
東京電力株式会社
International Classes:
B62D55/265; B62D57/024; G01N29/26; (IPC1-7): G01N29/26; B62D55/265; B62D57/024
Domestic Patent References:
JP5256829A
JP7244024A
Attorney, Agent or Firm:
Kenjiro Take (5 others)