FIELD: railway transport; measurement facilities.
SUBSTANCE: invention can be used for automatic checking of rail. Proposed device for checking geometrical parameters of rail has measuring platform carrying six optical sensors, three of which check upper surface of rail head at its beginning, center and end, and remaining three sensors check side surface of rail head, respectively, in beginning, center and end, and measuring device connected with sensors. Device contains also mechanism to compress rail in horizontal and vertical planes, and mechanism to shaft rail relative to stationary measuring platform with rail position sensors connected to measuring device. Laser rangers are used as optical sensors.
EFFECT: possibility of measuring rail parameters after straightening out.
3 cl, 2 dwg
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