Title:
UNDERGROUND MOVEMENT CONTROLLING SYSTEM
Document Type and Number:
Japanese Patent JP2003261944
Kind Code:
A
Abstract:
To provide an underground movement controlling system having the degree of freedom in a moving distance or a moving direction of a moving body, preventing the occurrence of a spark, free from any possibility of cut of a wire and free from problems of a contact fault at a current collecting position, an abrasion or the like.
A feeder 13 is embedded in the ceiling slab 4 inside of a pneumatic caisson working room 3, a feed pickup 14 is provided to an excavator 6 moving inside of the pneumatic caisson working room 3, a high frequency current is supplied to the feeder 13 to generate a magnetic flux around the feeder 13, and the magnetic flux around the feeder 13 is received by the feed pickup 14 to supply power to the excavator 6.
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Inventors:
KOBAYASHI TAKAHARU
Application Number:
JP2002063100A
Publication Date:
September 19, 2003
Filing Date:
March 08, 2002
Export Citation:
Assignee:
DAIHO CONSTRUCTION CO LTD
International Classes:
E02D23/06; E02D23/00; E21D9/06; E21F13/02; (IPC1-7): E02D23/06; E02D23/00; E21D9/06; E21F13/02
Attorney, Agent or Firm:
Hiroshi Sano