| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bearing diagnostic system of an escalator whose costs can be suppressed, and which can reduce an influence of disturbance vibration.SOLUTION: The present invention comprises: a flexible tube 32 which is deformed by addition of predetermined force, and holds a shape after deformation; a sensor cable 33 which connects an acceleration sensor 30 with a diagnostic system body 31 in a state of being inserted into the flexible tube 32, and transmits a detection signal of the acceleration sensor 30 to the diagnostic system body 31; electromagnets 36A, 36B for an acceleration sensor provided in the acceleration sensor 30; and an electromagnet controller 37 which controls current to be supplied to the electromagnets 36A, 36B for the acceleration sensor, in which the electromagnet controller 37 is constituted so as to fix the electromagnets 36A, 36B for the acceleration sensor to a bearing 13A by supplying the current to the electromagnets 36A, 36B for the acceleration sensor.</p> |
