Versine trolley-type equipment for inspecting track irregularity
US10429180B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2016 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Jun 19, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P3/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is versine trolley-type equipment for inspecting a track irregularity, having sensors respectively provided to a trolley so as to measure a height difference, direction misalignment, gauge irregularity, rail longitudinal slope, cant and the like of railroad rails, and simultaneously measuring the height difference and direction misalignment of a left rail and a right rail so as to reduce a measurement time by half and, also, allowing left and right measurement frames to freely move in a vertical direction within a predetermined range, thereby bringing front and rear trolley wheels of the left and right measurement frames into close contact with the rails all the time even if the rails are warped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.