Measuring and testing – Vibration – By mechanical waves
Patent
1995-03-14
1996-06-04
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
73628, 73634, 73636, 73431, 738665, G01N 2910, G01N 2924, G01N 2926
Patent
active
055222650
ABSTRACT:
A shoe (1) is provided which includes two housings designed for receiving ultrasonic probes (2) of which the vertical position with respect to the track is adjustable via two pressure cylinders (9). The shoe (1) is connected via two pressure cylinders (13) to a frame (12, 22, 23) designed for mounting under a railway vehicle. The shoe (1) is guided and driven along the track by deformable rings (14). Conduits (15, 16) are arranged in the body of the shoe (1) in such a manner as to allow the supply of a fluid in front of the probes (2) and the recovery of one part of this fluid behind said probes (2). Cleaning shoes (30, 30') and high pressure sprayers (31, 31') clean the track in front of the measuring carriage.
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patent: 4468966 (1984-09-01), Bradshaw
patent: 4662224 (1987-05-01), Turbe
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Finley Rose M.
Speno International SA
Williams Hezron E.
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