Title:
APPARATUS FOR INSPECTING AND MEASURING HEIGHT OF TROLLEY WIRE
Document Type and Number:
WIPO Patent Application WO/2024/004408
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an apparatus for inspecting and measuring the height of a trolley wire with high accuracy and reliability at low cost. This apparatus for inspecting and measuring the height of a trolley wire from a vehicle running on a track comprises: a reflection board that is provided beneath a collector head body of a pantograph provided on a rooftop of the vehicle; a laser length measurement sensor for measuring the distance to the reflection board by irradiating the reflection board with a laser beam; and an arithmetic operation device for calculating the height of the trolley wire from the track on the basis of the distance measured by the laser length measurement sensor.
Inventors:
YAMAKAWA HIRONOBU (JP)
ISOSAKI YOHEI (JP)
MITOMO YUJI (JP)
SHIZAWA NORITAKE (JP)
ISOSAKI YOHEI (JP)
MITOMO YUJI (JP)
SHIZAWA NORITAKE (JP)
Application Number:
PCT/JP2023/018027
Publication Date:
January 04, 2024
Filing Date:
May 15, 2023
Export Citation:
Assignee:
HITACHI HIGH TECH SOLUTIONS CORP (JP)
International Classes:
B60M1/28; B60L5/26; G01B11/02
Foreign References:
| JPH08182106A | 1996-07-12 | |||
| JP2013244952A | 2013-12-09 | |||
| JPH04198808A | 1992-07-20 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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