Title:
CRAWLER RUNNING CONTROL DEVICE FOR MOBILE VEHICLE
Document Type and Number:
Japanese Patent JPH1111343
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To attain operation facilitation at a turning time in a vehicle having a steering front wheel in the forward of a machine body and a crawler drive wheel in the rearward thereof, in a crawler running control device for a mobile vehicle running on the muddy ground, unleveled ground of much irregularity and the snowheaped ground. SOLUTION: In a machine body 1, right/left steering front wheels 2 are provided, in addition, endless track belt type right/left crawler wheels 3, 3 and drive wheels 4, 4 driving the crawler wheel by right/left individual peripheral speeds are provided. Further, a steering angle sensor 6 detecting a steering angle of a steering handle 5 is provided, a discriminating means 7 is provided, which discriminates a change in a direction of large detection value of the steering angle sensor 6 in the case of gentle and rapid change. A hoist mechanism 8, 8 is provided, which outputs control of the drive wheel 4, 4 so as to give a change of peripheral speed difference of turn inner/outer wheel of the crawler wheel 3, and brings upward the front or rear of the right/left crawler wheel 3, in accordance with discrimination. In this way, steering is detected in the steering angle sensor 6, the hoist mechanism 8 in a crawler inner wheel side is operated.
Inventors:
KARAKAWA AKINOBU
UEJI HITOSHI
HORI TOSHIYUKI
UEJI HITOSHI
HORI TOSHIYUKI
Application Number:
JP17052597A
Publication Date:
January 19, 1999
Filing Date:
June 26, 1997
Export Citation:
Assignee:
ISEKI AGRICULT MACH
International Classes:
B62D11/08; B62D55/02; (IPC1-7): B62D11/08; B62D55/02