FIELD: transport.
SUBSTANCE: invention relates to wheels of self-propelled vehicles, particularly, to radially adjusted appliances for increasing of wheel adhesion to road. Proposed device comprises disc fitted on half-axle with radial guides for extending grousers. Said extending grousers are composed of four quadrants with teeth arranged in circle and carriages to engage via said four radial guides with disc fitted on half-axle. To extend grousers said disc comprises four radial air cylinders with their rod-free chambers communicated with vehicle pneumatic system while rod ends are furnished with compression springs. Air cylinder rods are engaged with extending grouser carriages.
EFFECT: higher reliability, lower labor input, ease of use.
3 cl, 6 dwg
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