【BASE】 This portable skid resistance tester it is composed of T-leg, leveling wire and leveling bubble, which can level and support the instrument. [Column] it iscomposed of column, lifting mechanism, guide rod and instrument handle, used for lifting and fixing the position of swing head.
【RELEASE SWITCH】 A switch installed on the cantilever to maintain the horizontal position of the swing rod and release the effect of the pendulum falling.
【STEERING SYSTEM】 This pendulum tester includes fastening handle, swing shaft, steering knuckle and bearing, connecting pendulum and fixing position to ensure free swing in swing plane.
【INDICATOR SYSTEM】 Including pointer felt ring, pressing cover, pointer adjusting nut and dial. The pointer can directly indicate the swing value.
【SWINGING HEAD】 This pendulum testing tool is composed of upper and lower joints, swinging rod, spring, lever, lifting handle, hammer shell, sliding block and rubber sheet (76mm*25.4mm*6.35mm). It has specified moment for swinging center and specified pressure for road surface. The moment balance between front and back, left and right is the measure of road friction coefficient.
【TEST ROAD SURFACE】 It should be ensured that it contains a flat surface with a length greater than 150mm and a width greater than 100mm to avoid affecting the measured values.
【EFFECTIVE RANGE】 Within the effective range of sliding of the rubber plate, there should be no obvious concave convex surfaces.
【TEST POINTS】On the test section, select five representative test points along the left wheelbase in the direction of travel, with each test point spaced approximately 5-10m apart.
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