Title:
EXCAVATION STATUS MONITORING SYSTEM FOR TUNNEL BORING MACHINE
Document Type and Number:
Japanese Patent JP2014125853
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an excavation status monitoring system for a tunnel boring machine which enables an excavation status (presence or absence of an obstacle such as gravel) to be accurately grasped aurally.SOLUTION: An excavation status monitoring system 100 for a tunnel boring machine comprises accelerometers 21-26 that are mounted on a cutter head 12 of a tunnel boring machine 1 and detect vibration, and a speaker 42 that outputs signals detected by the accelerometers 21-26 as audio.
Inventors:
SASAKI KATSUYA
MIWA TAKUYA
TAKATORI KOHEI
HIDANI KEITARO
MIWA TAKUYA
TAKATORI KOHEI
HIDANI KEITARO
Application Number:
JP2012285471A
Publication Date:
July 07, 2014
Filing Date:
December 27, 2012
Export Citation:
Assignee:
HITACHI SHIPBUILDING ENG CO
International Classes:
E21D9/06
Domestic Patent References:
| JPH11303572A | 1999-11-02 | |||
| JPS5546274U | 1980-03-26 | |||
| JP2002081289A | 2002-03-22 | |||
| JP3275085B2 | 2002-04-15 | |||
| JP2004027702A | 2004-01-29 | |||
| JPH0510090A | 1993-01-19 | |||
| JPH11303572A | 1999-11-02 |
Attorney, Agent or Firm:
Hirokazu Miyazono