Global Patent Index - EP 1098066 A1

EP 1098066 A1 2001-05-09 - Tunnel boring machine

Title (en)

Tunnel boring machine

Title (de)

Tunnelbohrmaschine

Title (fr)

Machine de forage de tunnels

Publication

EP 1098066 A1 (DE)

Application

EP 00123042 A

Priority

DE 29919505 U

Abstract (en)

A tunnel boring machine is fitted with sensors to monitor the vibrations and reaction forces generated by the cutting head (1). The cutting head is mounted on an inner Kelly (4) that presses the head axially and is supported in the tunnel bore by extending radial struts (21). The sensors include strain gauge strips and displacement sensors and enable the control system to monitor the cutting action of the head, and vary the drive accordingly, e.g. to vary the cutting rate to match the varying density of the strata being bored.

Abstract (de)

Die Tunnelbohrmaschine (100) umfasst eine wahlweise in der Tunnelbohrung festlegbaren Verspanneinrichtung (20), die der Ableitung von durch den Bohrvorgang hervorgerufenen Reaktionskräften dient, eine in Bohrungsrichtung verlagerbare Innenkelly (4) und einen Bohrkopf (1), der am ortsbrustseitigen Ende der Innenkelly (4) mittels einer Lagereinrichtung (3) gelagert ist. Ferner umfasst die Tunnelbohrmaschine Mittel, die während des Betriebs vom dem Bohrkopf auf die Innenkelly übertragenen Reaktionskräfte erfassen, um so Belastungen, die über die Normalbelastungen des Bohrkopfes hinaus gehen, zu detektieren. <IMAGE>

IPC 1-7 (main, further and additional classification)

E21D 9/00; E21D 9/06; E21D 9/08

IPC 8 full level (invention and additional information)

E21B 4/18 (2006.01); E21D 9/00 (2006.01); E21D 9/06 (2006.01); E21D 9/08 (2006.01); E21D 9/087 (2006.01)

CPC (invention and additional information)

E21B 4/18 (2013.01); E21D 9/003 (2013.01); E21D 9/0879 (2016.01); E21D 9/093 (2016.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 29919505 U1 20010322; EP 1098066 A1 20010509

INPADOC legal status


2003-06-18 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20021203

2002-01-30 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-09-12 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010802

2001-07-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010503

2001-05-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-05-09 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI