Pendulum weight1500 ± 30g
Center distance410 ± 5mm
Positive static pressure of rubber sheet on road surface2263g
The pendulum swings freely from 5 ° to the stop of the swing≥70
The distance between the outer edge of the rubber sheet and the center of the swing510mm
ApplicationRoad & Aggregate
Working principleFree fall movement
Release SwitchA switch mounted on a cantilever to hold the pendulum horizontally and release the pendulum.
Steering systemincludes fastening handles, swinging shafts, steering joints and bearings, hoisting, fixing position, guaranteed in The swinging plane can swing freely.
Coefficient systemincluding pointer felt ring, press cover, pointer adjust nut and dial, pointer can refer directly to The pendulum value is shown.
Hammer headby upper and lower joint, pendulum rod, spring, lever, lifting handle, hammer shell, slippage block and rubber film(76 mm ×25.4 mm ×6.35 mm) consisting of a specified torque on the swing center and a specified pressure on the pavement .Before and after, left and right torque balance, it is a measure of road friction coefficient.
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