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Title:
STEERING OPERATION OF AGRICULTURAL TRACTION TYPE WORKING MACHINE
Document Type and Number:
Japanese Patent JPH01223084
Kind Code:
A
Abstract:
PURPOSE:To run an agricultural working machine after the running orbit of a tractor by making the running wheels of the agricultural working machine connected to the tractor via a towing bar steerable and steering the running wheels of the working machine in response to the steering angle of the tractor. CONSTITUTION:A working machine 6 is connected via a towing bar 5 to the rear section of a tractor 1 with front wheels 3 steered by a steering handle 2 and rear wheels 4. A pair of the right and left running wheels 7 and 7 are provided on the working machine 6, these wheels 7 and 7 can be steered by a hydraulic cylinder 8. The towed bar 9 of the working machine 6 is connected to the towing bar 5 via a pin 10, the working machine 6 is towed by the tractor 1 while being rotated in the horizontal direction. Potentiometers 11 and 12 are provided at the detection position of the turning angle of the handle 2 and the detection position of the working machine towing angle of the tractor 1, the steering angle of the running wheels 7 is determined based on these detection signals, and the driving of the hydraulic cylinder 8 is controlled.

Inventors:
TAKIGAWA TOMOHIRO
YAMANA NOBUKI
Application Number:
JP5053588A
Publication Date:
September 06, 1989
Filing Date:
March 02, 1988
Export Citation:
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Assignee:
SEIBUTSUKEI TOKUTEI SANGYO
International Classes:
A01B69/00; B62D13/00; B62D13/04; (IPC1-7): A01B69/00; B62D13/00; B62D13/04
Domestic Patent References:
JPS62289472A1987-12-16
Attorney, Agent or Firm:
Nobuhiro Kobashi (1 outside)



 
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