Title:
EQUIPMENT MAINTENANCE WORKING METHOD, MAINTENANCE WORKING SYSTEM AND MAINTENANCE AUTOMATIC WORKING DEVICE
Document Type and Number:
Japanese Patent JP2002242147
Kind Code:
A
Abstract:
To provide a technique capable of more safely carrying out an automatic maintenance work at the equipment while promoting work efficiency.
Jet fans 3, a plurality of lighting fixtures 4 and fire alarms 5 as the equipment necessary for automobiles to pass through a roadway 2 are set in a tunnel 1. The maintenance automatic working device 10 is mounted to a rail 6 set in the tunnel 1. A wire cable is mounted to the device 10. By the constitution, the maintenance automatic working device 10 is pulled along the rail 6 by the wire cable to automatically carry out the maintenance work for the equipment.
Inventors:
SUGAWARA TAKESHI
Application Number:
JP2001045140A
Publication Date:
August 28, 2002
Filing Date:
February 21, 2001
Export Citation:
Assignee:
HIGASHIKANTO KK
International Classes:
E01H1/00; B61B13/10; (IPC1-7): E01H1/00; B61B13/10
Attorney, Agent or Firm:
Yoshiyuki Osuge