Title:
BOLT-TYPE SENSOR, BOLT BODY, WIND TURBINE DRIVING DEVICE, WIND TURBINE, AND FASTENING STRUCTURE
Document Type and Number:
Japanese Patent JP2021183925
Kind Code:
A
Abstract:
To allow for highly accurately assessing the state of a fastening target.SOLUTION: A bolt-type sensor device 30 is provided, comprising a threaded tip portion 32, a bolt head portion 31 thicker than a threaded portion 32A, an intermediate shaft portion 33 thinner than the threaded portion 32A, located between the tip portion 32 and the bolt head portion 31, and a physical change detection unit 40 provided on the intermediate shaft portion 33 to detect physical change of the intermediate shaft portion 33.SELECTED DRAWING: Figure 6
Inventors:
NOHARA OSAMU
ASAKAWA YUICHI
ASAKAWA YUICHI
Application Number:
JP2020089055A
Publication Date:
December 02, 2021
Filing Date:
May 21, 2020
Export Citation:
Assignee:
NABTESCO CORP
International Classes:
G01L5/00; F03D1/06; F03D17/00; F03D80/80; F16B31/02; F16B35/00
Attorney, Agent or Firm:
Yukitaka Nakamura
Satoru Asakura
Yukihiro Hotta
Satoru Asakura
Yukihiro Hotta