| 摘要 |
<p>The invention relates to a grounding clamp with scraping jaw meant to link the conductors of high-voltage lines put out of operation for maintenance works with the metal supporting pillars or grounding systems in electric sub-stations. According to the invention, the grounding clamp consists of a chuck (1) having an upper arm and a lower arm (a and b), respectively, a rib (c) provided with a hole (d) to attach a clip of a grounding cable, the upper arm (a) being provided with a tapped hole (e) wherein a clamping screw (2) can rotate, said screw being provided with grip (3) and having a scraping jaw (5) fixed thereonto by means of cylindrical pin (4), while the lower arm (b) is also provided with a bore (g) wherein a screwed pin (6) is introduced, a fixing jaw (7) provided with a fixing cone (h) being screwed thereon.</p> |
