DEFLECTION-PREVENTING METHOD FOR HYDRAULIC HOSE OF MOBILE LOADING FATIGUE TESTER

摘要

PROBLEM TO BE SOLVED: To prevent deflection of a hydraulic hose for realizing the reciprocating motion of a travel unit at a high speed. ;SOLUTION: The rotating motion of a flywheel 2 is converted into reciprocating motion of the travel unit 6 by a connecting rod 3, and a load is applied to a test body 4 from the travel unit 6 by a hydraulic servo cylinder 7 in this mobile loading fatigue tester. The hydraulic hose 9 is fitted to the hydraulic servo cylinder 7 of the travel unit 6 in a direction perpendicular to the reciprocating direction of the travel unit 6, and two swivel joints 12 for the reciprocating motion and for twisting are provided in series at both ends of the hydraulic hose 9, thus coping with high-speed reciprocation.;COPYRIGHT: (C)2001,JPO