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11. 发明专利

JPH11270282A SPECIAL SECTIONAL SHIELD MACHINE 失效
公开(公告)号：JPH11270282A
公开(公告)日：1999-10-05
申请号：JP7517298
申请日：1998-03-24
申请人： MITSUI SHIPBUILDING ENG
发明人： ODAKA MINORU , EZAWA KAZUAKI , OISHI KOZO
IPC分类号： E21D9/087 , E21D9/08
摘要： PROBLEM TO BE SOLVED: To provide a special sectional shield machine being effective from the viewpoint of the proper keeping of strength on structure and the proper keeping of an excavation sectional area per a traffic lane and capable of reducing cost required for constructing a tunnel, etc., for a road. SOLUTION: A cutter head 103 is installed to a slewing moving axis 107 rotating round on its own axis in the same direction while revolving on a circular orbit 106 centering around the specified axis B of a shield machine body. The ratio of the rotational angular velocity of the slewing moving axis to the rotary angular velocity of the slewing moving axis to the center B of the circular orbit is set in 1:2. The cutter head 103 is disposed in a limiting line M having a convex lens shape, which centers around the uppermost section A of the circular orbit and in which a-2d holds in a major axis (a) passed through the center B of the circular orbit and in a minor axis (b) at a time when the diameter of the circular orbit is represented by (d).

12. 发明专利

JPH08310794A HEAVY OBJECT HANDLING DEVICE 失效
公开(公告)号：JPH08310794A
公开(公告)日：1996-11-26
申请号：JP14112595
申请日：1995-05-16
申请人： MITSUI SHIPBUILDING ENG
发明人： OISHI KOZO
IPC分类号： B66F9/065 , B66F9/24
摘要： PURPOSE: To improve positioning workability by handling a heavy object via the linear movement of a boom mechanism. CONSTITUTION: A slide base 16 is positionably fitted to a base 10. A folding boom 20 bendable by boom cylinders 26, 28 is erected on the base 10. The folding boom 20 is provided with a bracket 30, a rotary box 34, and openable/ closable fork pawls at the tip. A work held by the fork pawls can be transversely moved to an optional position in the held state by the slide base 16. A controller 50 is provided to control the flows of the boom cylinders 26, 28 bending the folding boom 20, and the boom tip is controlled for linear vertical movement or linear horizontal movement.

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