CN211743430U

CN211743430U - Grounding alloy fixing device for transformer substation

Info

Publication number: CN211743430U
Application number: CN202020593314.8U
Authority: CN
Inventors: 王盼盼; 鄢得艳; 王忍
Original assignee: Anhui Jianguo Electric Power Co ltd
Current assignee: Anhui Jianguo Electric Power Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-10-23
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a grounding alloy fixing device for a transformer substation, which comprises a transformer cabinet, a first clamping plate, a second clamping plate and a protection device, wherein the bottom end of the outer side wall of the transformer cabinet is connected with a grounding alloy plate through a grounding terminal, the bottom end of the grounding alloy plate is clamped on the upper end surface of the second clamping plate, the first clamping plate is fixed on the upper end surface of the second clamping plate through a screw rod and a nut, the screw rod and the nut are respectively provided with two groups, and the outer sides of the two groups of nuts are provided with the protection device; the protection device comprises a first shell, a second shell, a supporting plate, a pressing rod, a spring and a clamping plate, wherein the second shell is fixedly connected to the left side wall and the right side wall of the first shell, the supporting plate is arranged in the second shell, and the supporting plate is perpendicular to the first clamping plate. This grounding alloy fixing device for transformer substation, simple structure is reasonable, has the centre gripping and stabilizes, prevents nut and the dead advantage of screw rod rust, and dismantles conveniently, and is very practical, is worth promoting.

Description

Grounding alloy fixing device for transformer substation

Technical Field

The utility model belongs to the technical field of substation equipment, concretely relates to grounding alloy fixing device for transformer substation.

Background

The transformer substation is a part of an electric power system, has the functions of converting voltage grades and collecting and distributing electric energy, needs a ground wire due to high voltage, is used for preventing safety accidents caused by electric leakage or lightning stroke of a transformer cabinet, and can guide current into the ground when the ground wire is used, so that the transformer substation is effectively protected;

at present, a grounding alloy plate is generally adopted for grounding in a transformer substation, the grounding alloy plate is fixed by a screw and a nut, but the screw and the nut are exposed outside, and the nut is extremely easy to rust on the screw after being washed by rain and snow for a long time, so that the grounding metal plate is difficult to detach, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer substation is with ground connection alloy fixing device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grounding alloy fixing device for a transformer substation comprises a transformer cabinet, a first clamping plate, a second clamping plate and a protection device, wherein the bottom end of the outer side wall of the transformer cabinet is connected with a grounding alloy plate through a grounding terminal, the bottom end of the grounding alloy plate is clamped on the upper end face of the second clamping plate, the first clamping plate is fixed on the upper end face of the second clamping plate through a screw and a nut, two groups of screws and nuts are arranged, and the protection device is arranged on the outer sides of the two groups of nuts;

the protection device comprises a first shell, a second shell, a supporting plate, a pressing rod, a spring and a clamping plate, wherein the second shell is fixedly connected to the left side wall and the right side wall of the first shell, the supporting plate is arranged in the second shell, the first clamping plate perpendicular to the supporting plate is arranged, the spring is welded to the right side of the supporting plate, the two groups of springs are arranged in parallel and are perpendicular to the supporting plate, the other end of each spring is welded to the side wall of the first shell, the bottom end of the supporting plate penetrates through the second shell and is arranged on the outer side of the second shell, one side, far away from the first shell, of the bottom end of the supporting plate is connected with the clamping plate through a clamping groove, the clamping plate is vertically fixed on the upper end face of the first clamping plate, the pressing rod is vertically fixed to one side, far away from the first shell, of the middle of the supporting plate.

Preferably, the bottom ends of the two groups of screw rods are embedded in the second clamping plate.

Preferably, the bottom end faces of the two clamping plates are provided with grounding rods, the two grounding rods are arranged in parallel and are two groups and are perpendicular to the two clamping plates, and the two grounding rods and the two clamping plates are of an integrated structure.

Preferably, a sealing groove matched with the first shell is formed in the upper end face of the first clamping plate, and limiting grooves for fixing the grounding alloy plate are formed in the lower end face of the first clamping plate and the upper end face of the second clamping plate.

Preferably, the first clamping plate and the second clamping plate are both made of metal materials with good electric conductivity.

The utility model discloses a technological effect and advantage: the grounding alloy fixing device for the transformer substation can firmly clamp a grounding alloy plate through the arrangement of the first clamping plate, the second clamping plate and the limiting groove under the matching of the screw and the nut; through being provided with protection device outside the nut, can effectually protect nut and screw rod to prevent that nut and screw rod from receiving sleet to erode and rusty for a long time, and under the cooperation of support board, press the depression bar, joint board and draw-in groove, it is convenient to make protection device dismantle. This grounding alloy fixing device for transformer substation, simple structure is reasonable, has the centre gripping and stabilizes, prevents nut and the dead advantage of screw rod rust, and dismantles conveniently, and is very practical, is worth promoting.

Drawings

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

FIG. 2 is a cross-sectional view of a second clamping plate of the present invention;

fig. 3 is a cross-sectional view of the protection device of the present invention.

In the figure: the transformer cabinet comprises a transformer cabinet 1, a grounding terminal 2, a grounding alloy plate 3, a protection device 4, a first clamping plate 5, a second clamping plate 6, a grounding rod 7, a limiting groove 8, a screw rod 9, a first shell 10, a screw cap 11, a second shell 12, a butting plate 13, a pressing rod 14, a spring 15, a clamping plate 16, a clamping groove 17 and a sealing groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a transformer substation uses ground connection alloy fixing device as shown in fig. 1-3, including transformer cabinet 1, splint one 5, splint two 6 and protection device 4, the bottom of transformer cabinet 1 lateral wall is connected with ground connection alloy plate 3 through ground terminal 2, the bottom card of ground connection alloy plate 3 is put on the up end of splint two 6, splint one 5 is fixed with through screw rod 9 and nut 11 on the up end of splint two 6, screw rod 9 and nut 11 all are provided with two sets, and the outside of two sets of nut 11 is provided with protection device 4;

the protection device 4 comprises a first shell 10, a second shell 12, a pressing plate 13, a pressing rod 14, a spring 15 and a clamping plate 16, a second shell 12 is fixedly connected to the left side wall and the right side wall of the first shell 10, a resisting plate 13 is arranged in the second shell 12, the resisting plate 13 is perpendicular to the first clamping plate 5, and the right side of the abutting plate 13 is welded with a spring 15, two groups of springs 15 are arranged in parallel and are both vertical to the abutting plate 13, the other ends of the two groups of springs 15 are welded on the side wall of the first shell 10, the bottom end of the abutting plate 13 penetrates through the second shell 12 and is arranged on the outer side of the second shell 12, and one side of the bottom end of the abutting plate 13 far away from the first shell 10 is clamped with the clamping plate 16 through a clamping groove 17, the clamping plate 16 is vertically fixed on the upper end surface of the first clamping plate 5, a pressing rod 14 is also vertically fixed on one side of the middle part of the abutting plate 13 far away from the first shell 10, the other end of the pressing rod 14 passes through the second shell 12 and is arranged outside the second shell 12.

Specifically, two sets of the inside at splint two 6 is all inlayed to the bottom of screw rod 9, can make screw rod 9 more firm, and simultaneously, the top of screw rod 9 can transversely be holed and locked to prevent that nut 11 drops or steals.

Specifically, be provided with earthing rod 7 on the two 6 bottom faces of splint, earthing rod 7 parallel arrangement has two sets ofly and equal perpendicular to splint two 6, and is two sets of earthing rod 7 is the integral type structure with splint two 6, through burying underground two sets of earthing rod 7 completely, both can lead the current underground, also can fix splint two 6, and will be two sets of the surface of earthing rod 7 all sets up to the mat surface, can make splint two 6 more firm.

Specifically, be provided with on the up end of splint one 5 and cooperate the seal groove 18 that uses with a casing 10, play the effect that makes a casing 10 and splint one 5 inseparable joint to prevent that air humidity is too big to lead to nut 11 and screw rod 9 rust on, all seted up fixedly on the lower terminal surface of splint one 5 and the up end of splint two 6 the spacing groove 8 of ground connection alloy plate 3 is in order to prevent that ground connection alloy plate 3 from rocking about.

Specifically, the first clamping plate 5 and the second clamping plate 6 are made of metal materials with good electric conductivity, such as copper alloy.

The working principle is as follows: when the grounding alloy fixing device for the transformer substation is used, firstly, the top end of a grounding alloy plate 3 is connected with a grounding terminal 2 on a transformer cabinet 1, then, a clamping plate II 6 is placed at the bottom end of the grounding alloy plate 3, two groups of grounding rods 7 at the bottom end of the clamping plate II 6 are completely buried underground, the clamping plate II 6 is fixed on the ground, meanwhile, the grounding alloy plate 3 is just positioned in a limiting groove 8 on the upper end surface of the clamping plate II 6, then, a clamping plate I5 is fastened on the upper end surface of the clamping plate II 6 through the matching of a nut 11 and a screw 9, and the grounding alloy plate 3 is fixed in the limiting groove 8, so that the aim of fixing the grounding alloy plate 3 is fulfilled; secondly, the second shell 12 is tightly clamped and connected on the outer side of the screw cap 11 through clamping and matching of the abutting plate 13 and the clamping plate 16, and the screw cap 11 and the screw rod 9 can be effectively protected under the matching of the sealing groove 18, so that the screw cap 11 and the screw rod 9 are prevented from being rusted due to long-time rain wash; when the grounding alloy plate 3 needs to be detached, the pressing rods 14 on the outer sides of the two groups of abutting plates 13 are pressed simultaneously, so that the abutting plates 13 are separated from the clamping plates 16, and the first shell 10 can be separated from the first clamping plate 5 conveniently. This grounding alloy fixing device for transformer substation, simple structure is reasonable, has the centre gripping and stabilizes, prevents nut and the dead advantage of screw rod rust, and dismantles conveniently, and is very practical, is worth promoting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a transformer substation is with ground connection alloy fixing device, includes transformer cabinet (1), splint one (5), splint two (6) and protection device (4), its characterized in that: the bottom end of the outer side wall of the power transformation cabinet (1) is connected with a grounding alloy plate (3) through a grounding terminal (2), the bottom end of the grounding alloy plate (3) is clamped on the upper end face of a clamping plate II (6), a clamping plate I (5) is fixed on the upper end face of the clamping plate II (6) through a screw rod (9) and a screw cap (11), two groups of screw rods (9) and screw caps (11) are arranged, and a protection device (4) is arranged on the outer side of each group of screw caps (11);

the protection device (4) comprises a first shell (10), a second shell (12), a resisting plate (13), a pressing rod (14), a spring (15) and a clamping plate (16), wherein the second shell (12) is fixedly connected to the left side wall and the right side wall of the first shell (10), the resisting plate (13) is arranged in the second shell (12), the resisting plate (13) is perpendicular to the first clamping plate (5), the spring (15) is welded to the right side of the resisting plate (13), two groups of springs (15) are arranged in parallel and perpendicular to the resisting plate (13), the other ends of the two groups of springs (15) are welded to the side wall of the first shell (10), the bottom end of the resisting plate (13) penetrates through the second shell (12) and is arranged on the outer side of the second shell (12), and one side, far away from the first shell (10), of the bottom end of the resisting plate (13) is clamped with the clamping plate (16) through a clamping groove (17), the clamping plate (16) is vertically fixed on the upper end face of the first clamping plate (5), a pressing rod (14) is further vertically fixed on one side, away from the first shell (10), of the middle of the abutting plate (13), and the other end of the pressing rod (14) penetrates through the second shell (12) and is arranged on the outer side of the second shell (12).

2. The grounding alloy fixing device for the transformer substation of claim 1, wherein: the bottom ends of the two groups of screw rods (9) are embedded in the second clamping plate (6).

3. The grounding alloy fixing device for the transformer substation of claim 1, wherein: be provided with earthing rod (7) on splint two (6) bottom face, earthing rod (7) parallel arrangement has two sets ofly and all perpendicular to splint two (6), and is two sets of earthing rod (7) are the integral type structure with splint two (6).

4. The grounding alloy fixing device for the transformer substation of claim 1, wherein: the upper end face of the first clamping plate (5) is provided with a sealing groove (18) matched with the first shell (10) for use, and the lower end face of the first clamping plate (5) and the upper end face of the second clamping plate (6) are provided with limiting grooves (8) for fixing the grounding alloy plates (3).

5. The grounding alloy fixing device for the transformer substation of claim 1, wherein: the first clamping plate (5) and the second clamping plate (6) are made of metal materials with good electric conductivity.