Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
EXCAVATION STATUS MONITORING SYSTEM FOR TUNNEL BORING MACHINE
Document Type and Number:
WIPO Patent Application WO/2014/103542
Kind Code:
A1
Abstract:
This excavation status monitoring system for tunnel boring machine comprises: detecting units (21 - 26) that are mounted on a cutter head (12) of a tunnel boring machine (1) and that comprise accelerometers for detecting vibration or sound sensors for detecting sound waves; and an audio output unit (42) that outputs audio for signals detected by the detecting units.

Inventors:
SASAKI KATSUYA (JP)
HIDANI KEITARO (JP)
TAKATORI KOHEI (JP)
MIWA TAKUYA (JP)
Application Number:
PCT/JP2013/080530
Publication Date:
July 03, 2014
Filing Date:
November 12, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI SHIPBUILDING ENG CO (JP)
International Classes:
E21D9/06
Foreign References:
JPS5546274U1980-03-26
JP2002081289A2002-03-22
JP3275085B22002-04-15
JP2004027702A2004-01-29
JPH0510090A1993-01-19
JPH11303572A1999-11-02
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
Hirokazu Miyazono (JP)
Download PDF: