JPS617217U

JPS617217U - Disconnection prevention device for insulated wires

Info

Publication number: JPS617217U
Application number: JP9092484U
Authority: JP
Inventors: 憲治武田; 米利石田
Original assignee: 日本高圧電気株式会社
Priority date: 1984-06-19
Filing date: 1984-06-19
Publication date: 1986-01-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図乃至第７図は本案の実施例を示すもので、第１図
は本案の断線防止装置の取付状態図、第２図は断線防止
装置の要部を示す破断した正面図、第３図は断線防止装
置を絶縁電線に取付けた場合の左側面図、第４図は同じ
く本装置を絶縁電線に取付けた場合の右側面図、第５図
は本案の断線防止装置の正面図、第６図は第５図におけ
る平面図、第７図は同じく右側面図、第８図は従来より
周知の高圧配電線路における絶縁電線支持装置、第９図
は第８図の電気的等価回路を各々示す。１・・・・・・絶縁電線支持装置、２・・・・・・絶縁
電線、２ａ・・・・・・絶縁被覆、２ｂ・・・・・・芯
線、４・・・・・・碍子体、５・・・・・・頭部、６・
・・・・・支持金具、６ａ・・・・・・末端、７・・・
・・・ピン、８・・・・・・腕金、１隻・・・・・・断
線防止装置、１１・・・・・・限流素子、１２・・・・
・・充電側電極、１２ｂ・・・・・・把持部、１３・・
・・・・非充電側電極、１６・・・・・・放電電極、１
６ａ・・・・・・先端、１６ｂ・・・・・・係合部、１
Ｆ・・・・・絶縁物、１９・・・・・・クランプ金具、
１９ａ・・・・・・接触部。1 to 7 show an embodiment of the present invention, in which FIG. 1 is an installation state diagram of the wire breakage prevention device of the present invention, FIG. 2 is a cutaway front view showing the main parts of the wire breakage prevention device, and FIG. The figure is a left side view when the disconnection prevention device is attached to an insulated wire, FIG. 4 is a right side view when this device is also attached to an insulated wire, and FIG. 6 is a plan view of FIG. 5, FIG. 7 is a right side view, FIG. 8 is a well-known insulated wire support device for high-voltage distribution lines, and FIG. 9 is an electrical equivalent circuit of FIG. 8. show. DESCRIPTION OF SYMBOLS 1... Insulated wire support device, 2... Insulated wire, 2a... Insulation coating, 2b... Core wire, 4... Insulator body , 5...Head, 6.
...Supporting metal fitting, 6a...End, 7...
... Pin, 8 ... Bracelet, 1 piece ... Disconnection prevention device, 11 ... Current limiting element, 12 ...
... Charging side electrode, 12b... Gripping part, 13...
...Non-charging side electrode, 16...Discharging electrode, 1
6a...Tip, 16b...Engagement part, 1
F: Insulator, 19: Clamp fitting,
19a...Contact part.

Claims

[Scope of utility model registration request]

An insulated wire consisting of a core wire and an insulating sheath surrounding it is supported and fixed to the head of the insulator using a bind wire or a support fitting such as a wrapping grip, and the insulator is connected to the ground side using a pin fixed to the insulator. In a support device for an insulated electric wire i in a high-voltage distribution line that is attached and fixed to a cross arm, the insulated electric wire near the insulator has a current-limiting element having voltage nonlinearity and a charging side electrode in close contact with one end of the element. A non-charging side electrode that is in close contact with the other end of the element, and a discharging electrode whose two ends are connected to the non-charging side electrode and whose other ends are extended laterally and are spaced apart from the charging side electrode, the current limiting element, and the non-charging side electrode. A disconnection prevention device consisting of an insulator formed by integrally insulating the outer peripheral surfaces of the side electrode, the charging side electrode excluding the gripping part, and the discharging electrode excluding the tip is provided in the same part as the gripping part of the charging side electrode. At the same time, the needle-shaped contact portion formed on the charging side electrode and protruding inwardly contacts the core wire of the insulated wire to connect the electrode to the core wire. At the same time, the retaining part near the tip of the discharge electrode bent into a hook shape is hooked from above to the insulated wire at the end of the support fitting, and the tip of the discharge electrode is brought into contact with the outer periphery of the coating of the insulated wire. A disconnection prevention device for insulated wires.