SUSPENSION SYSTEM AND MOVABLE LOAD TESTING VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide a suspension system and a movable load testing vehicle for performing various track characteristic tests and quantitative seizure of the influences of vibration on a track or a ground by making the supporting rigidity of a vehicle body adjustable. SOLUTION: An exciting truck 16 and a travelling truck 14 each comprises a truck frame 33 mounted on a body frame 31 via an air spring 32, a bearing 36 or a spring receiving member 43 provided at the lower part of the truck frame 33 via a shaft spring 41, and suspension adjusting means consisting of a piston 77, a cylinder 78 and a supporting rod 81 for compressing the shaft spring 41 to adjust the supporting rigidity. COPYRIGHT: (C)2004,JPO