CN212586428U

CN212586428U - Electrode clamp for withstand voltage test of insulating operating rod

Info

Publication number: CN212586428U
Application number: CN202021206039.6U
Authority: CN
Inventors: 王春胜; 王铮; 朱劲雷; 付斌; 朱少东; 李建松; 张桂芬; 王维信; 高光辉; 李志娟
Original assignee: Shinyoung Group Co ltd
Current assignee: Shinyoung Group Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-02-23
Anticipated expiration: 2030-06-28

Abstract

The utility model provides an electrode holder that withstand voltage test of insulating bar used, includes, electrode sponge, the electrically conductive cloth of electrode, electrode holder spring and electrode clamp body, its characterized in that: the electrode conductive cloth is wrapped outside the electrode sponge and forms an elastic test electrode with the electrode sponge, the elastic test electrode is arranged in an electrode groove at the upper part of the electrode clamp body, and a lead led out by the elastic test electrode is fixedly connected with an external test connecting lead through an electrode lead wiring terminal. The utility model discloses there is simple structure, reasonable in design accords with relevant experimental standard requirement, when having solved present insulating bar's withstand voltage test, does not have the difficult problem that suitable test electrode used, can be applicable to the insulator spindle withstand voltage test of each voltage class, has improved experimental work efficiency greatly.

Description

Electrode clamp for withstand voltage test of insulating operating rod

Technical Field

The utility model relates to an electrode clamp that withstand voltage test used, especially an electrode clamp that insulating bar withstand voltage test used.

Background

At present, when carrying out the withstand voltage test to insulating bar, except that horizontal insulating bar withstand voltage test frame adopts the elasticity test electrode of compriseing sponge and conductive cloth, regard as test electrode on the insulating bar that mostly adopts naked annealed copper wire winding, the loaded down with trivial details test work efficiency of operation process, some metal presss from both sides as test electrode use of buying other usage on the market for the picture convenience, because its structure can not reach insulating bar's relevant test standard belongs to the violation of rules and regulations, there is the problem that the office enlargies in the high-voltage testing in horizontal test frame, only be applicable to the insulating bar withstand voltage test of grade below 35kV, the present urgent need for a neotype insulating bar test electrode clamp of a section, can be applicable to the withstand voltage pressure test use of insulating bar of all voltage grades.

Disclosure of Invention

The utility model aims at providing a be applicable to the convenient and fast electrode clamp of insulator spindle withstand voltage test that all voltage levels used to the not enough that exists to above-mentioned technical problem.

The utility model provides an electrode holder that withstand voltage test of insulating bar used, includes, electrode sponge, the electrically conductive cloth of electrode, electrode holder spring and electrode clamp body, its characterized in that: the electrode conductive cloth is wrapped outside the electrode sponge and forms an elastic test electrode with the electrode sponge, the elastic test electrode is arranged in an electrode groove at the upper part of the electrode clamp body, and a lead led out by the elastic test electrode is fixedly connected with an external test connecting lead through an electrode lead wiring terminal.

Copper sheets welded with lead wires are pasted in the electrode grooves at the upper part of the electrode clamp body, and two elastic test electrodes made of electrode sponge and electrode conductive cloth are respectively placed in the electrode grooves at the upper part of the electrode clamp body.

The size of the elastic testing electrode is slightly larger than the electrode groove at the upper part of the electrode clamp body, so that the elastic testing electrode is fixed in the electrode groove.

When the voltage withstand test is carried out on the insulating operating rod, the insulating operating rod to be tested is clamped by the two elastic testing electrodes, the elastic testing electrodes have strong wrapping performance on the insulating rod, and the requirements of relevant testing standards of the power frequency voltage withstand test of the insulating operating rod can be met.

The electrode clamp body is formed by inserting two identical clamp body plastic parts together, an electrode clamp spring is arranged at a middle rotating shaft part of the electrode clamp body, and the electrode clamp body has an opening range and clamping force under the acting force of the electrode clamp spring arranged in the electrode clamp body.

The electrode clamp body is made of high-strength ABS engineering materials through injection molding, and has mechanical strength and insulating capability.

The width of the lower part of the electrode clamp body is narrowed, and two anti-skid curved surfaces are arranged on the handle of the electrode clamp, so that the electrode clamp is suitable for being operated by hands.

The utility model discloses there is simple structure, reasonable in design accords with relevant experimental standard requirement, when having solved present insulating bar's withstand voltage test, does not have the difficult problem that suitable test electrode used, can be applicable to the insulator spindle withstand voltage test of each voltage class, has improved experimental work efficiency greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic sectional structure view of fig. 1.

In the figure: the electrode comprises an electrode sponge 1, electrode conductive cloth 2, an electrode clamp spring 3, an electrode lead wiring terminal 4, an electrode clamp handle 5 and an electrode clamp body 6.

Detailed Description

As shown in fig. 1, 2 and 3, two identical clamp plastic parts are inserted together to form an electrode clamp 6, firstly, copper sheets for leading out wires are pasted and welded in an electrode groove at the upper part of the electrode clamp 6, then two elastic test electrodes made of electrode sponge 1 and electrode conductive cloth 2 are respectively placed in the electrode groove at the upper part of the electrode clamp 6, and the elastic test electrodes are fixed in the electrode groove because the shape installation size of the elastic test electrodes is slightly larger than that of the electrode groove at the upper part of the electrode clamp 6.

The electrode clamp spring 3 is pushed in from the direction of the electrode clamp handle 5 below the electrode clamp body 6, and the two straight handles of the electrode clamp spring 3 are clamped into the limiting groove of the electrode clamp handle 5. The electrode clamp handle 5 is pressed to ensure that the electrode clamp body 6 has a certain opening range and clamping force under the action force of the electrode clamp spring 3.

After the external connecting lead and the elastic test electrode lead-out lead are connected with the terminal, the external connecting lead and the elastic test electrode lead-out lead are fixed on the electrode lead binding post 4 together by using a self-tapping screw.

When the voltage-withstanding test is carried out on the insulating operating rod, the insulating rod is placed on an insulating rod voltage-withstanding test frame, the effective length of the voltage-withstanding test is determined according to relevant test standard requirements on the insulating rod, namely, the distance between two electrodes is determined, two elastic test electrodes of an electrode clamp the insulating operating rod and wrap the circumferential surface of the insulating rod, the width of each test electrode is 5cm, power frequency high-voltage test equipment is used, after test voltage with specified requirements is applied between the two electrodes, the voltage-withstanding time is started, the timing time is timed, the test is finished after the time is up, and the tested insulating rod is qualified in test without flashover, breakdown and heating.

Claims

1. The utility model provides an electrode holder that withstand voltage test of insulating bar used, includes, electrode sponge (1), the electrically conductive cloth of electrode (2), electrode clamp spring (3) and electrode clamp body (6), its characterized in that: the electrode conductive cloth (2) is wrapped outside the electrode sponge (1) and forms an elastic test electrode with the electrode sponge (1), the elastic test electrode is installed in an electrode groove in the upper portion of the electrode clamp body (6), and a lead led out by the elastic test electrode is fixedly connected with an external test connecting lead through an electrode lead wiring terminal (4).

2. The electrode clamp for the withstand voltage test of the insulated operating rod according to claim 1, wherein: copper sheets for leading out wires are pasted and welded in an electrode groove at the upper part of the electrode clamp body (6), and two elastic testing electrodes which are processed by electrode sponge (1) and electrode conductive cloth (2) are respectively placed in the electrode groove at the upper part of the electrode clamp body (6).

3. The electrode clamp for the withstand voltage test of the insulated operating rod according to claim 2, wherein: the size of the elastic testing electrode is slightly larger than the electrode groove at the upper part of the electrode clamp body (6), so that the elastic testing electrode is fixed in the electrode groove.

4. The electrode clamp for the withstand voltage test of the insulated operating rod according to claim 1, wherein: when the voltage withstand test is carried out on the insulating operating rod, the insulating operating rod to be tested is clamped by the two elastic testing electrodes, the elastic testing electrodes have strong wrapping performance on the insulating rod, and the requirements of relevant testing standards of the power frequency voltage withstand test of the insulating operating rod can be met.

5. The electrode clamp for the withstand voltage test of the insulated operating rod according to claim 1, wherein: the electrode clamp body (6) is formed by inserting two identical clamp body plastic parts together, the electrode clamp spring (3) is installed at the middle rotating shaft part of the electrode clamp body (6), and the electrode clamp body (6) has an opening range and clamping force under the acting force of the electrode clamp spring (3) installed in the electrode clamp body.

6. The electrode clamp for the withstand voltage test of the insulated operating rod according to claim 5, wherein: the electrode clamp body (6) is made of high-strength ABS engineering materials through injection molding, and has mechanical strength and insulating capability.

7. The electrode clamp for the withstand voltage test of the insulated operating rod according to claim 6, wherein: the width of the lower part of the electrode clamp body (6) is narrowed, and two anti-skid curved surfaces are arranged on the electrode clamp handle (5) and are suitable for being operated by hands.