TRACK/GROUND WORK VEHICLE

摘要

PROBLEM TO BE SOLVED: To support a vehicle with only multiple iron wheels by retracting and fixing travel drive wheels with releasable sus-lock devices in track travelling condition. SOLUTION: This track/ground work vehicle 1 is provided with releasable sus-lock devices 8 retracting and fixing travel drive wheels 5a against suspensions 7. Each sus-lock device 8 is constituted of a hydraulic cylinder provided between the casing of the axle of the corresponding drive wheel 5 a and a proper position of an undercarriage 1a. The work vehicle 1 can be traveled on both a road and a track, and the vehicle 1 can be supported on the track by only multiple iron wheels 6 with the travel drive wheels 5a locked in the stored state by the sus-lock devices 8.