Title:
METHOD FOR CONTROLLING TUNNEL-DRILLING RIG, AND TUNNEL-DRILLING RIG
Document Type and Number:
WIPO Patent Application WO/2021/241092
Kind Code:
A1
Abstract:
This method for controlling a tunnel-drilling rig (10) comprises a step (S21) and a step (S22). In step S21, with a gripper (12a) of a rear body section (12) extended to secure the rear body section (12) to the inner wall of a tunnel, a plurality of thrust cylinders (13a–13f) are controlled so as to move a front body section (11) forward along an expected movement line (D1) set on the basis of a tunnel-drilling planned line (D10). In step (S22), with a gripper (11b) of the front body section (11) extended to secure the front body section (11) to the inner wall of the tunnel, the plurality of thrust cylinders (13a–13f) are controlled so as to move the rear body section (12) along an expected movement line (D1) set on the basis of an actual result line (D20).
Inventors:
ASHIKAGA SHIGEAKI (JP)
Application Number:
PCT/JP2021/016370
Publication Date:
December 02, 2021
Filing Date:
April 22, 2021
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E21D9/11
Foreign References:
| JP2015105512A | 2015-06-08 | |||
| JPH0988481A | 1997-03-31 | |||
| JPH09158681A | 1997-06-17 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
Download PDF:
Previous Patent: COSMETIC OR EXTERNAL SKIN PREPARATION IN WHICH AQUEOUS POLYMER EMULSION IS BLENDED
Next Patent: CONTROL DEVICE
Next Patent: CONTROL DEVICE