Title:
CONTROLLER FOR VERTICAL MOVEMENT OF DOZER OPERATION VEHICLE
Document Type and Number:
Japanese Patent JPH01163324
Kind Code:
A
Abstract:
PURPOSE:To simplify operation by a method in which before machine body weaves to and fro by left and reght-handed earth pressure differences of the dozer blade, an elevating drive mechanism is automatically operated toward rising side controllably on the basis of left and right-handed pressure receiving sensors. CONSTITUTION:Pressure receiving sensors S1 and S2 for detecting earth pressure are set on the left and right sides of the soil discharging face 6a of a dozer blade 6 attached to the tip of an arm 5. When the differences of detected pressures on the basis of detected pressure signals from both the sensors S1 and S2 exceed a set range, an elevating drive mechanism 11 is automatically raised in such a way as to keep the detected pressure difference within the set range by means of a controller 12 provided. The operations can thus be simplified and straightforward advancing performance of dozer can also be raised.
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Inventors:
SUZUKI JUNICHI
Application Number:
JP11025087A
Publication Date:
June 27, 1989
Filing Date:
May 06, 1987
Export Citation:
Assignee:
KUBOTA LTD
International Classes:
E02F3/84; E02F3/85; E02F9/20; (IPC1-7): E02F3/84; E02F9/20
Attorney, Agent or Firm:
Kitamura Osamu