Title:
TRAIN APPROACH DETECTION DEVICE
Document Type and Number:
Japanese Patent JP3310844
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To minimize a detection oversight of a wheel, to improve reliability, to minimize a ganger caused to a worker due to the detection oversight, to facilitate height adjustment of a sensor and to carry out stable detection.
SOLUTION: It is furnished with a base 9 arranged under a rail 20 on one side of a track and extending to both sides of the rail 20, a first fixture 5 fixed on the base 9 free to connect and disconnect on the track inside of the base 9, a second fixture 3 installed free to slide on the base 9 on the track outside of the base 9 and to sandwich the rail 20 jointly with the first fixture 5 and a pressing mechanism 8 fixed on the base and to advance and retreat the second fixture 3 against the first fixture 5. Additionally, a first sensor 4 and a second sensor 1 fixed on installation parts of the first fixture 5 and the second fixture 3 and to detect wheels of a train passing on the rail 20 are furnished.
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Inventors:
Yoshio Ohshima
Koichi Sasaki
Kenzo Tago
Koichi Sasaki
Kenzo Tago
Application Number:
JP32596195A
Publication Date:
August 05, 2002
Filing Date:
December 14, 1995
Export Citation:
Assignee:
East Japan Railway Company
Mitsubishi Electric Corporation
Mitsubishi Electric Corporation
International Classes:
B61L1/18; B61L1/16; B61L23/06; (IPC1-7): B61L23/06; B61L1/16
Domestic Patent References:
| JP381178U | ||||
| JP460769U | ||||
| JP6116196Y2 |
Attorney, Agent or Firm:
Soga Doteru (6 people outside)