Title:
LEADER TURNING DEVICE FOR PILE DRIVER AND TURN POSITION FINE ADJUSTING DEVICE
Document Type and Number:
Japanese Patent JP3314283
Kind Code:
B2
Abstract:
PURPOSE: To provide an auger/pile driver automating the turn action and stop action of a leader and capable of finely adjusting the turn position of the leader.
CONSTITUTION: A motor with reduction gear 12 having a pinion gear 13 is fitted to a leader bracket 2, and a ring gear 14 meshed with the pinion gear 13 to turn a leader 4 is provided on an upper turn seat 3. A leader turning device provided with a cylinder 24 releasing the insertion of a stop pin 22 into the positioning hole 2a of the leader bracket 2 is provided on a turn stopper device 20. A guide rail 31 is provided at the fitting position of the turn stopper device 20 on the upper turn seat 3, and two cylinders 32A, 32B capable of optionally moving the stopper pin 22 within the range of adjacent positioning holes of the leader bracket 2 along the guide rail 31 are provided on both sides of the turn stopper device 20.
Inventors:
Nobuo Ninohe
Application Number:
JP19242093A
Publication Date:
August 12, 2002
Filing Date:
August 03, 1993
Export Citation:
Assignee:
Chuo Motor Co., Ltd.
International Classes:
E02D7/16; (IPC1-7): E02D7/16
Domestic Patent References:
| JP63151721A | ||||
| JP5816234U |
Attorney, Agent or Firm:
Michizo Isono
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