| 摘要 |
A jumper line connection device for a power transmission line is provided to prevent short-circuit of a jumper line and damage of a power transmission line structure adjacent to the jumper line by maintaining tension of the jumper line through the load of a weight. A jumper line connection device for a power transmission line includes an insulator(110), a connection unit(120), a plurality of guide plates(130), a pair of guide rollers(140), and weights(150). The insulator includes a first bolt unit(111) and a second bolt unit(113). An end of the first bolt unit is coupled with a nut(N) and the second bolt unit is installed on a lower part of the insulator. The connection unit includes a spiral groove(121) coupled with the second bolt unit, a connection piece with a pair of coupling holes(122), a projection(125) with a pair of projected coupling bolts(124), a plurality of compartment plates(127) with installation holes(126), a slit groove(128) between the compartment plates, and a rotation preventing pin(129). The guide plate includes a coupling hole(131) communicated with the installation hole, a connection groove(133), and a pair of guide grooves(135). The pair of guide rollers are slidably connected along the guide grooves between the guide plates and include spiral units(143) on both ends, rotators(145) made of rubber inside guide pins(141), and semicircular grooves(147) for preventing the jumper line from being separated. The weights are coupled with both ends of the guide rollers. Each of the weights includes a coupling groove(151) coupled with the spiral unit and a plurality of coupling holes(153). |
