RUT TESTING BENCH OF ROAD COMPOSITE MIXTURES Russian patent published in 2018 - IPC G01N3/56 

FIELD: testing equipment.

SUBSTANCE: bench contains the thermostated chamber with the force-creating unit for testing sample placed in it, having the rubberized wheel, fixed in the holder; the temperature regulator and the depth gauge of the formed track is brought out to the control panel; the test table is made with the ability to move along the horizontal guide bars by means of electric motor drive. The roadway area simulation unit is introduced into the bench, it contains the elongated plate, fixed from its one end side by the hinged pair, and under the opposite loose side of the extended plate there is the pinion rack, protruding from the extended plate. The inclined area is made on the top of the pinion rack end which is not protruding, which is generated from the loose end of the extended plate, totally under it, gradually declining toward the extended plate center. There is the gear wheel on the opposite remote towards the periphery the pinion rack end, contacting to the stepper motor, located on the test desk outside the place for the tested sample fixation and brought out to the control panel.

EFFECT: rut testing reliability and accuracy increase.

3 cl, 4 dwg