Title:
ERECTOR FOR SHIELD DRIVING MACHINE
Document Type and Number:
Japanese Patent JP3279407
Kind Code:
B2
Abstract:
PURPOSE: To stabilize and align segments by engaging a deflection stopper mechanism with a bolt mounting groove of a clamping segment and attaching a fixing mechanism that fixes the clamping segment with a segment guide.
CONSTITUTION: After a clamping operation of a clamping segment 10 is finished, and a deflection stopper jack 60a is extended, a fixture 60b swings clockwise, centering on a pin 60d, thereby pushing down a rubber material 60c so that it may enter a bolt mounting groove 10a of the clamping segment 10. Then, the rubber material is pressed on a wall surface. As a result, the rubber material 60c is engaged with the mounting groove 10a, thereby fixing the clamping segment 10 with a segment guide 30. When the clamping segment is aligned with an existing segment 11 with an erector 2, the clamping segment 10 does not deviate in either of the axial directions or either of the circumferential directions, and it will be held in a definite position constantly. This construction makes it possible to provide the erector 2 for a shield jacking machine capable of making a stabilized alignment.
Inventors:
Junichiro Yamashita
Kenji Noda
Naokazu Oda
Hitoshi Takahashi
Fumiya Takano
Kenji Noda
Naokazu Oda
Hitoshi Takahashi
Fumiya Takano
Application Number:
JP24111493A
Publication Date:
April 30, 2002
Filing Date:
September 28, 1993
Export Citation:
Assignee:
MAEDA CORPORATION
Hitachi Construction Machinery Co., Ltd.
Hitachi Construction Machinery Co., Ltd.
International Classes:
E21D11/40; (IPC1-7): E21D11/40
Domestic Patent References:
| JP325197A | ||||
| JP59173499A | ||||
| JP58106498U | ||||
| JP6058698U |
Attorney, Agent or Firm:
Kenjiro Take (1 person outside)
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