Measuring friction characteristics of vehicle travel surfaces
作者： James W. Strong
DOI:
关键词: Electronic differential 、 Structural engineering 、 Slip (vehicle dynamics) 、 Clutch 、 Axle 、 Engineering 、 Cyclic stress 、 Vehicle frame 、 Wheel sizing 、 Drive shaft
摘要: Apparatus for measuring friction characteristics of a vehicle-travelled surface comprising wheeled vehicle (12) having test wheel assembly (24) pivotally suspended therefrom by parallelogram suspension arrangement. The includes (26) carried drive shaft (130) which is driven at predetermined slip differential (16) coupled to the wheels (14). A gear chain (142) extends from through housing forms one arm suspension. second formed rod section two-axis strain gage force transducer (30) assembly. parallel struts (19) frame. positive displacement pump (58) placing film water beneath thickness independent speed. and are clutch driven.
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