| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide jointing metal fittings for an overhead power transmission line which can prevent generation of pulse noise easily and inexpensively at the jointing part of a structure for supporting the overhead transmission line, and reduce frequency of maintenance and inspection. SOLUTION: A joint fitting 21 for jointing an insulator 19 and a suspension clamp 18 consists of a metal fitting body 23 having the joint parts 23a, 23b of a movable joint structure jointed to both of them 18, 19, and a spring member 24 serving as a compression coil spring disposed between the flange member 27 of the insulator 19 and the suspension clamp 18. The load imposed by the spring member 24 favorably keeps the contact pressure between the metallic contact surfaces of the joint parts 23a, 23b of movable joint structure, so as to prevent generation of pulse noise.</p> |
