PILE CONSTRUCTION MACHINE AND PILE CONSTRUCTION METHOD
PROBLEM TO BE SOLVED: To provide a pile construction machine and a pile construction method minimizing removed soil in digging a pile hole by providing an excavating device capable of easily attaching/detaching an excavating tool to/from the tip of a steel pipe or a casing tube. SOLUTION: The pile c...
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| creator | IKEDA MAKOTO HAYAKAWA SHOJI ITO YOSHINORI SUGIURA ISAMU YAMAMOTO TADAO EGUCHI YUKIO MATSUZAWA NOBUHIRO TANI AKIRA TOYOSHIMA TORU HAMADA KATSUHIKO SAKURAI HIDEHIRO |
| description | PROBLEM TO BE SOLVED: To provide a pile construction machine and a pile construction method minimizing removed soil in digging a pile hole by providing an excavating device capable of easily attaching/detaching an excavating tool to/from the tip of a steel pipe or a casing tube. SOLUTION: The pile construction machine has the steel pipe or casing tube 2; a tubing device 1 gripping it by a chuck mechanism and transmitting rotational force of a driving motor to rotate the steel pipe or casing tube and and to push it into the ground by the driving force of a lifting cylinder; and the excavating device 5 equipped with the excavating tool for excavating the ground and a grip mechanism for pressing a plurality of grip members provided at equal spaces on a cylindrical internal wall, wherein the excavating tool is mounted into the steel pipe or casing tube 2 by the grip mechanism to close a lower end opening. Soil excavated by the excavating tool of the excavating device is pushed away to the outside of the steel pipe or casing tube 2 to excavate forward, and after excavating down to a predetermined depth, the excavating device is detached from the steel pipe or casing tube and taken out. COPYRIGHT: (C)2006,JPO&NCIPI |
| format | Patent |
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SOLUTION: The pile construction machine has the steel pipe or casing tube 2; a tubing device 1 gripping it by a chuck mechanism and transmitting rotational force of a driving motor to rotate the steel pipe or casing tube and and to push it into the ground by the driving force of a lifting cylinder; and the excavating device 5 equipped with the excavating tool for excavating the ground and a grip mechanism for pressing a plurality of grip members provided at equal spaces on a cylindrical internal wall, wherein the excavating tool is mounted into the steel pipe or casing tube 2 by the grip mechanism to close a lower end opening. Soil excavated by the excavating tool of the excavating device is pushed away to the outside of the steel pipe or casing tube 2 to excavate forward, and after excavating down to a predetermined depth, the excavating device is detached from the steel pipe or casing tube and taken out. 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SOLUTION: The pile construction machine has the steel pipe or casing tube 2; a tubing device 1 gripping it by a chuck mechanism and transmitting rotational force of a driving motor to rotate the steel pipe or casing tube and and to push it into the ground by the driving force of a lifting cylinder; and the excavating device 5 equipped with the excavating tool for excavating the ground and a grip mechanism for pressing a plurality of grip members provided at equal spaces on a cylindrical internal wall, wherein the excavating tool is mounted into the steel pipe or casing tube 2 by the grip mechanism to close a lower end opening. Soil excavated by the excavating tool of the excavating device is pushed away to the outside of the steel pipe or casing tube 2 to excavate forward, and after excavating down to a predetermined depth, the excavating device is detached from the steel pipe or casing tube and taken out. COPYRIGHT: (C)2006,JPO&NCIPI</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | PILE CONSTRUCTION MACHINE AND PILE CONSTRUCTION METHOD |
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