JPH0472817U

JPH0472817U -

Info

Publication number: JPH0472817U
Application number: JP11623990U
Authority: JP
Priority date: 1990-11-07
Filing date: 1990-11-07
Publication date: 1992-06-26

Description

[Brief explanation of drawings]

第１図は本考案の接地線用保護ケースを構成す
る上部保護ケースの一部を省略した正面図、第２
図は平面図である。第３図は本考案の接地線用保
護ケースを構成する下部保護ケースの一部を省略
した正面図、第４図は平面図である。第５図は本
考案の接地線用保護ケースを構成するジヨイント
の正面図、第６図は平面図である。第７図は接地
線用保護ケースの使用態様を説明する図であり、
第８図は接続部位において接地線を露出する機構
を説明する図である。第９図は本考案の電柱に装
着された接地線用保護ケースのもとで行なわれる
接地線の機能測定の態様を説明する図であり、第
１０図は従来の接地保護ケースのもとで行なわれ
る接地線の機能測定の態様を説明する図である。Ａ……接地線用保護ケース、１……上部保護ケ
ース、１１……縮径部、２……下部保護ケース、
２１……縮径部、３……ジヨイント、３１……縮
径部挿通孔。 Figure 1 is a front view with a part of the upper protective case that constitutes the grounding wire protective case of the present invention omitted;
The figure is a plan view. FIG. 3 is a front view with a part of the lower protective case constituting the ground wire protective case of the present invention omitted, and FIG. 4 is a plan view. FIG. 5 is a front view of a joint constituting the protective case for a grounding wire of the present invention, and FIG. 6 is a plan view. FIG. 7 is a diagram illustrating how the protective case for the grounding wire is used.
FIG. 8 is a diagram illustrating a mechanism for exposing the ground wire at the connection site. Figure 9 is a diagram illustrating the manner in which the function of a grounding wire is measured under the protective case for a grounding wire attached to a utility pole according to the present invention, and Figure 10 is a diagram illustrating the function measurement performed under the protective case for a grounding wire attached to a utility pole according to the present invention. FIG. 3 is a diagram illustrating a mode of measuring the function of a grounding wire. A...Protective case for ground wire, 1... Upper protective case, 11... Reduced diameter part, 2... Lower protective case,
21...Reduced diameter part, 3...Joint, 31...Reduced diameter part insertion hole.

Claims

[Claims for Utility Model Registration] 1. In a protective case for a grounding wire, the protective case includes: An upper protective case and a lower protective case which are divided into two parts, () fit the respective reduced diameter parts of the upper and lower protective cases that are arranged facing each other at a predetermined interval, and by moving upward, the reduced diameter parts A protective case for a grounding wire, characterized in that it is composed of three members: a joint for connecting the upper and lower protective cases with the space between the upper and lower protective cases exposed; 2. The ground wire protective case according to claim 1, wherein the interval between the reduced diameter portions of the upper and lower protective cases arranged oppositely is a desired value for measuring the ground resistance of the ground wire. 3. The ground wire protective case according to claim 1, wherein the upper protective case, the lower protective case, and the joint are made of synthetic resin. 4. The ground wire protective case according to claim 1, wherein the surface shape of the upper protective case and the lower protective case on the adherend side is processed to be flush with the surface shape of the adherend. 5. The protective case for a grounding wire according to claim 4, wherein the adherend is a cylindrical utility pole.