| 摘要 |
<p>The invention concerns a device for measuring spoke tensions in an wheel comprising a hub with an shaft, a rim and tensioned spokes between flanges of the hub and the rim, comprising a clamp for holding the shaft, a strike unit for touching spokes in order to set the spokes into vibration, a vibration sensor for detecting the vibration of a spoke and means for calculating from the detected vibration the tension in the spoke. In accordance with the invention the vibration sensor is an optical sensor and determines the position of the spoke at a high sampling rate.</p> |
