FIELD: automotive industry.
SUBSTANCE: invention relates to the automotive industry. Quick-detachable anti-skid device consists of five grousers in the form of brackets, rigidly connected with bosses, having the ability to move around and along the beams passing through the guide brackets and springs, which clamp the grouser clamps to self-locking nuts, adjusting, if necessary, tension force. Self-locking lock consists of a square hollow axle with six round webs on it, separated by spacer rings and stepped axes arranged in five formed grooves along the circumference with shift of 72 degrees. Extreme partition walls are rigidly connected to square hollow axis, and self-locking effect is achieved due to displacement of point of force application on stepped axis relative to beam by 30 degrees ±5 degrees when lock body is turned all the way.
EFFECT: high reliability of fixation of the device, fastness and ease of installation on the wheel of a vehicle.
1 cl, 6 dwg
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