| 摘要 |
<p>An aerial line tensioning device which uses an outer casing to protect the slide mechanism and the oscillation mechanism of the gas spring type aerial line tensioning device from disturbance, the slide mechanism comprising a cylinder case and a cylinder rod, and the oscillation mechanism being used to oscillate a connecting bar for connecting the cylinder and the aerial line. This construction improves operation reliability of the tensioning device and reduces maintenance service requirements.</p> |
