CALIBRATION DEVICE Russian patent published in 2019 - IPC F16L55/28 F16L101/30 G01B7/34 G01B7/13 

FIELD: defectoscopy.

SUBSTANCE: invention relates to the non-destructive inspection of the technical state of pipelines by passing an in-pipe device. Calibration device includes a housing on which aligning collars, a measuring system and an odometer system are installed, wherein the housing comprises a sealed flask with electronic equipment for recording and storing information, and measuring system consists of measuring levers, each measuring lever includes bracket, bracket axis, lever, pad, angular displacement sensor, lead, spring, axis of angular displacement transducer, electric cable, wherein lever is installed on bracket and is able to rotate about bracket axis within range, on lever is installed overlay, angular movement transducer is mounted on a bracket and is connected through an electric cable to electronic equipment for recording and storing information, and the axis of the angular displacement sensor is connected via a spring to the lever, wherein each measuring lever is installed on the housing independently from other measuring levers, which jointly form a circle, the diameter of which is equal to 85 % of the outer diameter of the centring cups.

EFFECT: technical result consists in longer life of components and high accuracy of data.

1 cl, 2 dwg