Novel gapless zinc oxide arrester

Abstract

The utility model discloses a novel gapless zinc oxide lightning arrester which comprises an insulating cavity, a lightning arrester electrode, a lead sheet and a zinc oxide resistance sheet, the insulation cavity is of a hollow cylinder structure, and the lightning arrester electrodes are detachably arranged at the two ends of the insulation cavity. A mounting hole and two dismounting holes are formed in one end surface of the lightning arrester electrode, the mounting hole is positioned in the center of the end surface, and the two dismounting holes are distributed on two sides of the mounting hole; the opening directions of the mounting hole and the dismounting hole are consistent with the opening direction of the insulating cavity, and the mounting hole is used for being connected with an electrode conducting rod; the lightning arrester provided by the utility model not only has an overvoltage protection function, but also can realize replacement of the zinc oxide resistor disc which is a core component of the lightning arrester on the basis of not damaging the lightning arrester.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lightning arrester technical field, and especially provide a novel gapless zinc oxide lightning arrester. BACKGROUND

[0002] With the continuous development of science and technology, the existing gapless zinc oxide lightning arrester is widely applied in power transmission line, but under the existing condition, gapless zinc oxide lightning arrester is exposed to the outdoors for a long time, is very easy to age and lightning, thus is replaced frequently, needs integral replacement, causes large area resource waste, causes unnecessary environmental pollution.

[0003] Therefore, the problem of the gapless zinc oxide lightning arrester of replaceable component is urgent for people. UTILITY MODEL CONTENT

[0004] In view of this, the utility model aims at providing a novel gapless zinc oxide lightning arrester to solve the problem that the original lightning arrester cannot replace the easily damaged core component alone.

[0005] The utility model provides a technical scheme: a novel gapless zinc oxide lightning arrester, including insulating cavity, lightning arrester electrode, lead sheet, zinc oxide resistance sheet;

[0006] The insulating cavity is hollow cylinder structure, and the lightning arrester electrode is detachably built-in at both ends of the insulating cavity;

[0007] A mounting hole and a dismounting hole are formed in one end face of the lightning arreester electrode, the mounting hole is located at the center of the end face, two dismounting holes are arranged at both sides of the mounting hole, the opening direction of the mounting hole and the dismounting hole is consistent with the opening direction of the insulating cavity, and the mounting hole is used to be connected with the electrode conducting rod;

[0008] The lead sheet and the zinc oxide resistance sheet are arranged alternately between the lightning arrester electrodes at both ends in the insulating cavity.

[0009] Preferably, the inner wall of both ends of the insulating cavity is provided with an internal thread structure, the outer wall of the lightning arrester electrode is provided with an external thread structure, and the lightning arrester electrode is built-in at both ends of the insulating cavity through the internal and external thread structures.

[0010] Preferably, the mounting hole is a threaded hole, the lightning arrester outgoing terminal fixed bolt of the electrode conducting rod is connected, an M8 stainless steel mounting nut is arranged on the lightning arrester outgoing terminal fixed bolt, and a stainless steel mounting flat pad is arranged between the M8 stainless steel mounting nuts.

[0011] Preferably, rainproof covers are mounted at both ends of the insulating cavity.

[0012] Preferably, a silicone rubber insulation jacket is arranged on the outer wall of the insulating cavity.

[0013] The novel gapless zinc oxide lightning arrester provided by the utility model can replace core components such as zinc oxide resistor plates at will after long-time outdoor use or after encountering severe weather conditions such as lightning strikes, thereby avoiding resource waste and unnecessary environmental pollution caused by large-area equipment replacement. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be explained further in detail in combination with the drawings and embodiments:

[0015] Fig. 1 The utility model provides a hollow cylinder structure diagram of novel gapless zinc oxide lightning arrester;

[0016] Fig. 2 The utility model provides a structure diagram of novel gapless zinc oxide lightning arrester. DETAILED DESCRIPTION

[0017] The utility model will be explained further in detail in combination with the drawings and embodiments:

[0018] As Figs. 1-2 The utility model provides a novel gapless zinc oxide lightning arrester, including insulating cavity 1, lightning arrester electrode 2, lead sheet 4, zinc oxide resistor plate 5;

[0019] The insulating cavity 1 is hollow cylinder structure, lightning arrester electrode 2 is detachably built-in in the both ends of insulating cavity 1, wherein the inside diameter of insulating cavity 1 is equal with the diameter of lightning arrester electrode 2;

[0020] Wherein lightning arrester electrode 2 is detachably built-in in the both ends of insulating cavity 1 specifically can be realized through following structure: the both ends inner wall of insulating cavity 1 is equipped with internal thread structure, the outer wall of lightning arrester electrode 2 has external thread structure, and lightning arrester electrode 2 is built-in in the both ends of insulating cavity 1 through internal and external thread structure.

[0021] The lightning arrester electrode 2 one end face is equipped with mounting hole 3 and dismounting hole 31, wherein the mounting hole 3 is located in the center of end face, and the dismounting hole 31 is equipped with two and is distributed in the both sides of mounting hole 3, the opening direction of mounting hole 3 and dismounting hole 31 is consistent with the opening direction of insulating cavity 1, and the mounting hole 3 is used for being connected with electrode conducting rod;

[0022] Wherein the mounting hole 3 is threaded hole, and is connected with lightning arrester outlet terminal fixing bolt 10 of electrode conducting rod;

[0023] The lead sheet 4 and zinc oxide resistor plate 5 are equipped with multiple and are placed in the insulating cavity 1, and are alternately arranged between the lightning arrester electrode 2 of both ends.

[0024] The lightning arrester outlet terminal fixing bolt is provided with an M8 stainless steel mounting nut 6, and the M8 stainless steel mounting nuts are provided with stainless steel mounting flat pads 9.

[0025] Rainproof covers 7 are mounted at both ends of the insulating cavity 1.

[0026] A silicone rubber insulating outer sleeve 8 is arranged on the outer wall of the insulating cavity 1.

[0027] When the zinc oxide resistor disc in the gapless zinc oxide lightning arrester needs to be replaced, first, the stainless steel mounting nut 6 is removed by using a conventional wrench, then the stainless steel flat pad 9 is removed, next, the stainless steel rainproof mounting end cover 7 is manually removed, an M6 bolt or a special tool is inserted into the dismounting hole 31, the tool is rotated to remove the lightning arrester threaded electrode 2, the lead sheet 4 is removed, and the zinc oxide resistor disc can be directly taken out and recycled.

[0028] The gapless zinc oxide lightning arrester has an overvoltage protection function, and the main core component is the zinc oxide resistor disc.

[0029] The specific embodiments of the utility model are written in a progressive manner, and the differences between the various embodiments are emphasized, and the similar parts can be mutually referred to.

[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A new type of gapless zinc oxide arrester, characterized in that: It comprises an insulating cavity (1), an arrester electrode (2), a lead sheet (4), and a zinc oxide resistor sheet (5); The insulating cavity (1) is a hollow cylindrical structure, and the arrester electrodes (2) are detachably built into both ends of the insulating cavity (1); An installation hole (3) and a disassembly hole (31) are provided on one end surface of the arrester electrode (2), wherein the installation hole (3) is located at the center of the end surface, and two disassembly holes (31) are provided, distributed on both sides of the installation hole (3); the opening direction of the installation hole (3) and the disassembly hole (31) is consistent with the opening direction of the insulating cavity (1), and the installation hole (3) is used to connect with the electrode conductive rod; The lead sheets (4) and zinc oxide resistor sheets (5) are provided in plurality and placed in the insulating cavity (1) and arranged alternately between the arrester electrodes (2) at both ends; The inner walls at both ends of the insulating cavity (1) are provided with internal thread structures, the outer wall of the arrester electrode (2) is provided with an external thread structure, and the arrester electrode (2) is built into both ends of the insulating cavity (1) through the internal and external thread structures; The mounting hole (3) is a threaded hole connected to the arrester outlet terminal fixing bolt (10) of the electrode conductive rod, and the arrester outlet terminal fixing bolt is provided with an M8 stainless steel mounting nut (6), and a stainless steel mounting flat washer (9) is provided between the M8 stainless steel mounting nuts.

2. A novel gapless zinc oxide arrester according to claim 1, characterized in that: Rainproof covers (7) are installed at both ends of the insulating cavity (1).

3. A novel gapless zinc oxide arrester according to claim 1, characterized in that: A silicone rubber insulating jacket (8) is provided on the outer wall of the insulating cavity (1).

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