B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
193/1, 198/4.3
B65G 11/20 (2006.01) B65G 54/02 (2006.01) H01F 7/20 (2006.01)
Patent
CA 1207249
ABSTRACT OF THE DISCLOSURE Disclosed is a steel pipe transporting appara- tus provided with a plurality of skid rails slantingly arranged from a feed-in end to a feed-out end of the apparatus so as to transport the steel pipe by causing the steel pipe to roll down on the skid rails from the feed-in end to the feed-out end, and a method of controlling the apparatus. The apparatus comprises a plurality of electromagnet arranged to be in opposition to the steel pipe and along the skid rails from the feed-in end to the feed-out end, each of the electro- magnets including an inner pole having an exciting coil wound thereon and a pair of outer poles arranged at the opposite sides of the inner pole and connected to the inner pole. The method is of controlling the excitation current for the electromagnets and comprising steps of dividing the electromagnets into a plurality of groups, and applying an exciting current to the electromagnets group by group in order, thereby causing the steel pipe to roll down along the skid rails. The electromagnets are arranged such that the inner pole and the outer poles of each of the electro- magnets are aligned to be in opposition to the steel pipe so that a plurality of such alignments are disposed along the travelling direction of the steel pipe, one of the pair of outer poles of each of the electromagnets is connected to one of the skid rails, the other one of the outer poles of each of the electromagnets is connected to another one of the skid rails, and the surfaces of the respective inner poles opposed to other surfaces to be in opposition to the steel pipes are individually separated one from another.
432102
Aoshima Masaru
Itoh Susumu
Sato Katsutoshi
Hitachi Ltd.
Kirby Eades Gale Baker
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