FRICTION COEFFICIENT MEASURING DEVICE Russian patent published in 2023 - IPC G01M17/02 

FIELD: mining industry.

SUBSTANCE: device contains a frame, a wheel, and an independent load. The frame consists of channels on which vertical guides are rigidly fixed with the ability to move the support frame. The channels have holes in which a fixed axle is removably fixed, on which a hub with a drive wheel is removably mounted, on which a pressure gauge is removably installed in the nipple. Rollers are fixed to the frame, one on the inner surface and the other on the outer surface, with the ability to move the plate under study, and on the outer side of the frame there is a removable console installed, at the end of which a winch is attached. The dynamometer is mounted on a cable, one end of which is fixed to the winch, and at the other end there is a hook. The load is made in the shape of a rectangle with holes, with the possibility of installation on guides.

EFFECT: improved accuracy of determining the optimal coefficient of adhesion of a car tyre.

1 cl, 2 dwg