| 摘要 |
A tuning device ( 23 ) and an apparatus that incorporates the tuning device ( 23 ) for use in testing the integrity of a railway line ( 30 ) to obtain an improved test signal, the tuning device ( 23 ) including an elongate member ( 23 ) adapted to be attachable at one end of the railway line ( 30 ) being tested in situ or is attachable to an attachment member ( 21 ) coupled to the section ( 10 ) of railway line ( 30 ), and wherein a vibration signal measuring means ( 24 ) is adapted to be secured to the other end of the elongate member ( 23 ). The apparatus can include a control means ( 2 ), a vibration means ( 3 ), the tuning device ( 23 ) configured and arranged to be attachable to the railway line ( 30 ) and a vibration measuring means ( 24 ) is attachable to the railway line ( 3 ) to directly vibrate the section ( 10 ) of the railway line ( 30 ), the control means ( 2 ) controlling the frequency of vibration and to receive and process measurements of the amplitude of vibration from the tuning device ( 23 ) and the frequency of vibration from the vibration measuring means ( 24 ). |
