Title:
(LASER TYPE) MOBILE TRACK THREE-POINT MEASURING DEVICE
Document Type and Number:
Japanese Patent JP2015183428
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a (laser type) mobile track three-point measuring device that enables one operator to not only efficiently perform track inspection but also perform operations without the need for skills.SOLUTION: The amount of longitudinal level irregularity caused by height-direction displacement of a rail 21 and the amount of alignment irregularity caused by displacement in a rail width direction are measured by using an emitter 861 for laser light 88 applied toward a 10 m measurement chord 7 by a measuring device 8, a photo detector 862 for the laser light 88 reflected by being applied toward the 10 m measurement chord 7, and measured values of the irradiation light and reflected light of the laser light 88.
Inventors:
IGUCHI KAZUMASA
Application Number:
JP2014060488A
Publication Date:
October 22, 2015
Filing Date:
March 24, 2014
Export Citation:
Assignee:
SANKI CONSTRUCTION CO LTD
IRIE KOGYO CO LTD
IRIE KOGYO CO LTD
International Classes:
E01B35/00; G01C5/00; G01C15/00
Attorney, Agent or Firm:
Katsuhiko Hashimoto
Kyoko Hashimoto
Kyoko Hashimoto