| 摘要 |
Surveying device ( 1 ) for the running parameters of railway contact bearings ( 2 ) which is provided with a rotating race ( 3 ) and a non-rotating race ( 4 ) which are coaxial to a rotation axis (A) of the railway contact bearing ( 2 ) itself, the device ( 1 ) being provided with a sealing shield ( 5 ) which is mounted onto the non-rotating race ( 4 ); and which is also provided with a sealing lining/covering ( 7 ) which is integral with the shield ( 5 ), and which is in contact with a sliding surface ( 11 s) which is in turn integral with the rotating race ( 3 ): the device also being provided with a signal generating element ( 15 ) which is integral with the sliding surfaces ( 3 s) ( 11 s) themselves and which is arranged inside the shield ( 5 ); and which is also provided with a sensor ( 16 ), which faces the generating element ( 15 ) in order to read the signal itself, and which is itself integral with the shield ( 5 ) in a position which is outside the railway bearing ( 2 ).
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