The invention discloses a non-contact wheel set dimension online detection method and device based on various sensors. The device comprises the two laser displacement sensors symmetrically arranged on the inner side and the outer side of a track, and the two eddy current displacement sensors arranged on the inner side of the tract. The method comprises the steps that the two laser displacement sensors detect and obtain tread contour lines, and the rim height and the rim thickness are calculated through the extracted tread contour lines according to the geometric relation; the two eddy current displacement sensors are used for detecting the distances to the vertexes of the rims in the vertical direction, measurement data of the three sensors on the inner side of the track are extracted at the moment when wheels pass through the effective measurement range of the eddy current displacement sensors and the laser displacement sensors on the inner side of the rack simultaneously, the diameters of the vertex circles of the rims are calculated according to the measurement data and the geometric relation, and then the diameters of the wheels are calculated according to the wheel rim height. The non-contact wheel set dimension online detection method and device based on various sensors have the advantages that the measurement principle is simple and practical, cost is low, and precision is high; non-contact and real-time measurement can be achieved.
Non-contact wheel set dimension online detection method and device based on various sensors
2016-02-03
Patent
Elektronische Ressource
Englisch
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