Title:
WORKBENCH ELEVATING DEVICE FOR PILE DRIVER
Document Type and Number:
Japanese Patent JP2989531
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve approach performance despite of a simple structure.
SOLUTION: A workbench 70 having a movable mount 42 which is movably supported along the second guide rails 36, 38 provided in parallel to the first guide rails 8, 10, to which an auger drive mechanism 12 is supported, and a boarding mount 64 rotatably supported by the movable mount 42 is provided and at the same time a winch for the workbench for raising/lowering the workbench 70 is provided. A rotation drive mechanism 74 for rotating the boarding mount 64 is provided on the workbench 70. The rotation drive mechanism 74 is provided with a hydraulic cylinder 76 for rotating the boarding mount 64 and a hydraulic pump driven by rotation of an operation shaft and at the same time a control valve for connecting the hydraulic cylinder 76 to the hydraulic pump by the rotation of the operation shaft according to rotational direction is provided.
Inventors:
SHIRAI NOBUHIRO
UENO YOJI
UENO YOJI
Application Number:
JP28896895A
Publication Date:
December 13, 1999
Filing Date:
November 07, 1995
Export Citation:
Assignee:
NIPPON SHARYO SEIZO KK
International Classes:
E02D7/16; E04G3/00; (IPC1-7): E02D7/16
Domestic Patent References:
| JP1192917A | ||||
| JP5331855A | ||||
| JP473035U | ||||
| JP5726926Y2 |
Attorney, Agent or Firm:
Adachi Tsutomu
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