| 摘要 |
A power distribution pylon is provided to maintain continuously a tense state of an overhead electric wire by rotating a disk according to a length change of the overhead electric wire. A fixing plate(100) is fixed to a cross arm(10). A disk(200) is made of a circular plate(210), a shaft(220), and a tubular body(230). A shaft hole is formed through a center of the circular plate. The circular plate includes a first and second guides(213,214). The shaft is rotatably fixed around a rotary shaft. The tubular body is formed to surround the rotary shaft. A windup spring supports elastically the disk. A stopper(400) is formed to limit a rotational angle of the disk within a range of the first guide. An insulator is fixed to one end of an insulator-fixing unit. A latch includes a first and second loops. A tension spring(700) is formed to pull elastically the latch. A first transmitter(900) transmits electric current resistances of a first and second electrodes to a central control center. One end of a rod(1000) is rotatably fixed to the fixing plate or the cross arm. A tension measurement unit includes a belt, a tension gauge, and a second transmitter. One end of the belt is wound around the belt. The tension gauge measures a change of tension of the belt. The second transmitter transmits a measured value of the tension gauge to the central control center. |
