Title:
RAILROAD WHEEL SHAPE MEASURING DEVICE AND RAILROAD WHEEL SHAPE MEASURING METHOD
Document Type and Number:
Japanese Patent JP2021167764
Kind Code:
A
Abstract:
To provide a railway wheel shape measuring device capable of accurately measuring the roundness of a tread in a railway wheel in a traveling state.SOLUTION: The railway wheel shape measuring device of the present disclosure includes an acquisition unit configured to acquire a plurality of divided shapes obtained by dividing a tread surface in the circumferential direction by irradiating with a laser beam the tread surface in contact with a rail of a railway wheel, and a calculation unit configured to calculate the roundness of the tread from the plurality of divided shapes and an average shape obtained by averaging the plurality of divided shapes.SELECTED DRAWING: Figure 3
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Inventors:
NISHIMURA KAZUHIKO
TANASE TOSHIKATSU
HANAI KATSUYOSHI
TANASE TOSHIKATSU
HANAI KATSUYOSHI
Application Number:
JP2020071067A
Publication Date:
October 21, 2021
Filing Date:
April 10, 2020
Export Citation:
Assignee:
TOKAI RYOKAKU TETSUDO KK
International Classes:
B61K9/12; G01B11/24
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation