FIELD: railway transport; permanent way maintenance and repair. SUBSTANCE: device has frame resting on wheels for movement along track rails, track position check unit mounted on frame and connected with registering devices. Each axle is coupled with frame by post and is installed in post for axial displacement, being locked against turning. Wheel is mounted on outer section of axle in joint for turning in horizontal plane and provision of wheel rotation. Wheel is spring-loaded relative to post. Frame is formed by two articulated sections to provide relative turning in cross vertical plane. Track position check unit is installed on one of sections. EFFECT: improved reliability of measurement. 4 cl, 4 dwg
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