CN212410640U - Lightning arrester test box - Google Patents

Abstract

The utility model discloses an arrester test box, include the box and install the case lid at the box top, the equal fixedly connected with high resistance of inside both sides wall of box, it is two sets of the equal fixedly connected with slide bar of side end face of high resistance, it is two sets of the surface cover of slide bar is equipped with the sliding sleeve, and is two sets of the bottom of sliding sleeve all rotates through the pivot and is connected with the connecting rod, rotates through the pivot between two sets of connecting rods and is connected with the testboard, and is two sets of the equal fixedly connected with clamp plate of opposite side of sliding sleeve. The utility model discloses in, at first, through pressure from locking-type mounting structure, promoted the convenience of arrester installation, secondly, through the insulating protective structure of whole bracket type, promoted the security performance of device.

Description

Lightning arrester test box

Technical Field

The utility model relates to an arrester detects instrument technical field, especially relates to an arrester test box.

Background

The lightning arrester in the power grid can effectively protect the power equipment from being damaged by overvoltage, ensures the safe and stable operation of the equipment and the power grid, is used for protecting the electrical equipment from being damaged by high transient overvoltage during lightning stroke, limits follow current time and normally limits follow current amplitude.

When the arrester voltage class tests today, install the arrester in the arrester test box mostly through with the arrester, switch on the arrester through the arrester test box, detect the arrester voltage variation, traditional arrester is installed fixedly through a plurality of stop device of bolt closure soon to the arrester when the test box internal fixation mostly, there is the poor problem of fixed convenience, and, the inside testboard of test box touches more with the box, it can lead to the test box to have the electric leakage problem to exempt from, there is the poor problem of security performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the lightning arrester testing box is provided for solving the problems of poor fixing convenience and poor safety performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an arrester test box, includes the box and installs the case lid at the box top, the equal fixedly connected with high resistance of inside both sides wall of box, it is two sets of the equal fixedly connected with slide bar of side end face of high resistance, it is two sets of the surface cover of slide bar is equipped with the sliding sleeve, and is two sets of the bottom of sliding sleeve all is connected with the connecting rod through the pivot rotation, rotates through the pivot between two sets of connecting rods and is connected with the testboard, and is two sets of the equal fixedly connected with clamp plate of opposite side of sliding sleeve, the arrester is arranged in.

Further: the depression cross-section of clamp plate is the arc structure of indent.

Further: the inner side of the pressing plate is fixedly connected with a rubber pad.

Further: the cross section of the sliding rod is of a side T-shaped structure.

Further: and a return spring is sleeved on the outer surface of the sliding rod between the sliding sleeve and the vertical end of the sliding rod.

Further: and a screw hole is formed in the center of the top of the test board.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a pressure is from locking-type structure, closes the bolt of arrester bottom soon to the screw in the back, loosens the arrester, through the arrester to the decurrent extrusion force of testboard, drives two sets of connecting rods and rotates to it slides to the opposite side to drive two sets of sliding sleeves at the surface of slide bar, thereby drives the clamp plate and removes the extrusion to the arrester direction, thereby will fix the arrester, through pressure from locking-type mounting structure, promoted the convenience of arrester installation.

2. The utility model discloses an insulating protective structure of whole bracket formula carries out the bracket with arrester and testboard through the slide bar to fixedly connected with high resistance between slide bar and box further prevents leakage current flow direction box, has promoted the security performance of device.

Drawings

Fig. 1 is a schematic structural view of a lightning arrester testing box according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of the test board and the slide rod according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a top view of a pressing plate according to an embodiment of the present invention.

Description of reference numerals: 1. a box body; 2. a box cover; 3. a high resistance resistor; 4. a slide bar; 5. a sliding sleeve; 6. a test bench; 7. a connecting rod; 8. pressing a plate; 801. a rubber pad; 9. a return spring; 10. and a screw hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a pair of arrester test box, include box 1 and install the case lid 2 at box 1 top, the equal fixedly connected with high resistance 3 of the inside both sides wall of box 1, the equal fixedly connected with slide bar 4 of two sets of high resistance 3's side end face, the surface cover of two sets of slide bars 4 is equipped with sliding sleeve 5, the bottom of two sets of sliding sleeves 5 all is connected with connecting rod 7 through the pivot rotation, rotate through the pivot between two sets of connecting rod 7 and be connected with testboard 6, the equal fixedly connected with clamp plate 8 of opposite side of two sets of sliding sleeves 5, the arrester is arranged in the middle of the testboard and. This device adopts pressure to lock from locking-type structure, through the arrester to the decurrent extrusion force of testboard 6, drive two sets of connecting rods 7 and rotate, thereby it slides to the opposite side at slide bar 4's surface to drive two sets of sliding sleeves 5, thereby it removes the extrusion to drive clamp plate 8 to the arrester direction, thereby fix the arrester, in this device, adopt whole bracket formula structure, carry out the bracket through slide bar 4 with arrester and testboard 6, and fixedly connected with high resistance 3 between slide bar 4 and box 1, further prevent leakage current flow direction box 1, the security performance of device has been promoted, and in this device, box 1 adopts insulating material to make.

As shown in fig. 3, the section of bowing of clamp plate 8 is the arc structure of indent, and the inboard fixedly connected with rubber pad 801 of clamp plate 8, and the clamp plate 8 cross-section is the arc structure of indent, and clamp plate 8 and the laminating of arrester outward appearance wall of being convenient for through the setting of rubber pad 801, when having promoted the coefficient of friction between clamp plate 8 and arrester, have promoted the insulating nature of clamp plate 8 with the arrester department of contact.

As shown in fig. 2, the cross-section of slide bar 4 is side T type structure, the cover is equipped with reset spring 9 between the vertical end that slide bar 4's surface is located sliding sleeve 5 and slide bar 4, screw 10 has been seted up to the top center department of testboard 6, setting through reset spring 9, when taking out the arrester, reset spring 9 can promote sliding sleeve 5 and slide to the outside, thereby drive testboard 6 and upwards reset, in this device, screw 10 becomes supporting setting with the bolt of arrester bottom, through closing the bolt of arrester bottom to screw 10 soon in, fix the arrester bottom.

The working principle is as follows: during the use, when carrying out the voltage class test to the arrester, close the bolt of arrester bottom soon to screw 10 in the back, loosen the arrester, through the arrester to testboard 6 decurrent extrusion force, drive two sets of connecting rod 7 and rotate, thereby drive two sets of sliding sleeves 5 and slide to the opposite side at the surface of slide bar 4, thereby drive clamp plate 8 to the arrester direction removal extrusion, thereby fix the arrester, and, in this device, adopt whole bracket formula insulation protection structure, carry out the bracket with arrester and testboard 6 through slide bar 4, and fixedly connected with high resistance 3 between slide bar 4 and box 1, further prevent leakage current flow direction box 1, the security performance of device has been promoted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an arrester test box, includes box (1) and installs case lid (2) at box (1) top, its characterized in that, the equal fixedly connected with high resistance (3) of the inside both sides wall of box (1), it is two sets of the equal fixedly connected with slide bar (4) of side end face of high resistance (3), it is two sets of the surface cover of slide bar (4) is equipped with sliding sleeve (5), and is two sets of the bottom of sliding sleeve (5) all rotates through the pivot and is connected with connecting rod (7), rotates through the pivot between two sets of connecting rod (7) and is connected with testboard (6), and is two sets of the equal fixedly connected with clamp plate (8) of opposite side of sliding sleeve (5), the arrester is arranged in the middle of testboard (6).

2. A surge arrester testing box according to claim 1, characterized in that the pressure plate (8) has a concave arc-shaped cross-section.

3. A lightning arrester test box according to claim 2, characterized in that a rubber pad (801) is fixedly connected to the inner side of the pressure plate (8).

4. A surge arrester testing box according to claim 1, characterized in that the cross-section of the slide bar (4) is a side T-shaped structure.

5. An arrester testing box according to claim 4, characterized in that the outer surface of the slide rod (4) is sleeved with a return spring (9) between the slide sleeve (5) and the vertical end of the slide rod (4).

6. An arrester testing box according to claim 1, characterized in that the testing platform (6) is provided with a screw hole (10) at the top center.

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