CN211351664U - A lightning protection device for a substation protection switch - Google Patents

Abstract

The utility model discloses a lightning arrester that protection switch of transformer substation used, the power distribution box comprises a box body, the inside of box is equipped with lightning-arrest equipment, the first backup pad of inside wall fixedly connected with of box, the inside wall fixedly connected with second backup pad of box, the equal fixedly connected with electric telescopic handle of upper surface of the upper surface of first backup pad and second backup pad, the upper surface of box has symmetrical sealing door, every through the fixed hinge joint of hinge electric telescopic handle's the output all with the bottom surface fixed connection of every sealing door, the bottom surface fixedly connected with bottom plate of box, the last fixed surface of bottom plate is connected with quick-witted case, the inside wall fixedly connected with positive and negative motor that changes of machine case. This lightning arrester that protection switch of transformer substation used can make lightning-arrest equipment protect it when not using, avoids long-term wind to blow the normal lightning-arrest function that the degradation influences lightning-arrest equipment of solarization, can make the better protection of lightning-arrest equipment to the switch of transformer substation.

Description

A lightning protection device for a substation protection switch

technical field

The utility model relates to the technical field of substations, in particular to a lightning protection device for a protection switch of a substation.

Background technique

Substation refers to the place in the power system that converts voltage and current, receives and distributes electric energy. The substation in the power plant is a step-up substation. in the grid.

The protection switch of the substation generally has a lightning protection device. The lightning protection device can be installed above the protection switch of the substation. However, the existing lightning protection device of the substation cannot protect it when it is not in use. Long-term wind and sun exposure can easily lead to lightning protection. Equipment deterioration, lightning protection equipment may lose its normal lightning protection function after deterioration, and fail to protect the substation switch. Therefore, we provide a lightning protection device for the substation protection switch to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a lightning protection device for a substation protection switch, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lightning protection device for a substation protection switch, comprising a box body, the interior of the box body is provided with lightning protection equipment, and the inner side wall of the box body is fixedly connected with a first A support plate, the inner side wall of the box body is fixedly connected with a second support plate, the upper surface of the first support plate and the upper surface of the second support plate are fixedly connected with electric telescopic rods, and the upper surface of the box body is fixedly connected with an electric telescopic rod. A relatively symmetrical sealed door is fixedly hinged through a hinge, the output end of each electric telescopic rod is fixedly connected to the bottom surface of each sealed door, the bottom surface of the box is fixedly connected with a bottom plate, and the upper surface of the bottom plate is fixedly connected A case is fixedly connected, the inner side wall of the case is fixedly connected with a forward and reverse rotation motor, the left side of the case is provided with a through opening, the inner side wall of the case body is fixedly inlaid with a first bearing, the forward and reverse rotation The output end of the motor passes through the through port and the first bearing in sequence and is fixedly connected with the first gear, and the outer surface of the output end of the forward and reverse rotation motor is fixedly connected with the inner ring of the first bearing.

The bottom surface of the first support plate is fixedly embedded with a second bearing, the inner ring of the second bearing is fixedly connected with a threaded column, the outer surface of the threaded column is threadedly connected with a sliding block, and the bottom end of the threaded column is fixed A second gear is connected, and the second gear is meshed with the first gear, a connecting block is fixedly connected to the outer surface of the lightning protection device, the left side of the sliding block is fixedly connected with the right side of the connecting block, and the The right side of the connecting block is fixedly connected with a connecting plate, the upper surface of the connecting plate is provided with a sliding hole, the inner wall of the sliding hole is slidably connected with a sliding plate, and the upper surface of the sliding plate and the bottom surface of the sliding plate are respectively connected with the second support The bottom surface of the board is fixedly connected with the inner bottom wall of the box body, and the right side of the box body is fixedly connected with a control panel.

Preferably, the bottom surface of the bottom plate is provided with mounting holes, and the number of the mounting holes is at least two.

Preferably, a support block is fixedly connected to the bottom surface of the forward and reverse rotation motor, and the bottom surface of the support block is fixedly connected to the inner bottom wall of the chassis.

Preferably, an insulating protection pad is fixedly connected to the inner bottom wall of the box body, and the upper surface of the insulating protection pad is in contact with the bottom end of the lightning protection device.

Preferably, the inner side wall of the box body is provided with a chute, the inner wall of the chute is slidably connected with a slider, and the right side of the slider is fixedly connected with the left side of the connecting plate.

Preferably, load-bearing blocks are fixedly connected to the bottom surface of the first support plate and the bottom surface of the second support plate, and one side of the two load-bearing blocks away from each other is fixedly connected to the inner side wall of the box body.

beneficial effect

The utility model has the following beneficial effects:

1. Through the forward and reverse rotation motor, it can rotate in forward and reverse directions. Through the rotation of the forward and reverse rotation motor, the first gear can be driven to rotate. Through the cooperation between the first gear and the second gear, the second gear can be rotated. The gear drives the threaded column to rotate in the reverse direction. Through the cooperation between the threaded column and the inner wall of the sliding block, the sliding block can be lowered at the threaded column. The sliding block can drive the connecting block and the lightning protection device to move down to the box through the descending of the sliding block. The inside of the body can protect the lightning protection equipment when it is not in use, avoid long-term wind and sun deterioration and affect the normal lightning protection function of the lightning protection equipment, so that the lightning protection equipment can better protect the substation switch.

2. Through the provided control panel, the work of the forward and reverse motor and the electric telescopic rod can be controlled, and the operation control of the two can be achieved. The power generated by the contraction of the rod can drive the connected sealing door to descend and close the two sealing doors, so that the lightning protection equipment can be retracted into the inside of the box to protect it and prevent dust and debris from entering the box. It reduces unnecessary trouble and can better protect lightning protection equipment.

Description of drawings

Fig. 1 is the front sectional view of the box body of the utility model;

Fig. 2 is the enlarged schematic diagram of the structure at place A in Fig. 1 of the utility model;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 of the present utility model.

In the picture: 1 box, 2 lightning protection equipment, 3 first support plate, 4 second support plate, 5 electric telescopic rod, 6 sealed door, 7 control panel, 8 chassis, 9 forward and reverse motor, 10 port, 11 First bearing, 12 first gear, 13 second gear, 14 second bearing, 15 threaded column, 16 sliding block, 17 connecting block, 18 connecting plate, 19 sliding hole, 20 sliding plate, 21 bottom plate, 22 mounting hole, 23 Insulation protection pad, 24 chute, 25 slider, 26 support block, 27 load-bearing block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a lightning protection device for a substation protection switch, comprising a box body 1, an insulating protection pad 23 is fixedly connected to the inner bottom wall of the box body 1, and the insulation protection pad 23 The upper surface of the box is in contact with the bottom end of the lightning protection device 2, which can insulate and protect the lightning protection device 2 to avoid damage and collision. The inner side wall of the box body 1 is provided with a chute 24, and the inner wall of the chute 24 is slidably connected with a slider 25. , the right side of the slider 25 is fixedly connected with the left side of the connecting plate 18 , which can make the connecting plate 18 move up and down more smoothly and avoid the phenomenon of jamming.

The inside of the box body 1 is provided with a lightning protection device 2, the inner side wall of the box body 1 is fixedly connected with a first support plate 3, and the bottom surface of the first support plate 3 and the bottom surface of the second support plate 4 are fixedly connected with a bearing block 27. The side faces of the load-bearing blocks 27 away from each other are fixedly connected to the inner side wall of the box body 1, which can support the first support plate 3 and the second support plate 4, and improve the stability of the two. A second support plate 4 is fixedly connected, the upper surface of the first support plate 3 and the upper surface of the second support plate 4 are fixedly connected with an electric telescopic rod 5, and the upper surface of the box body 1 is fixedly hinged through a hinge with a relatively symmetrical. In the sealing door 6, the output end of each electric telescopic rod 5 is fixedly connected with the bottom surface of each sealing door 6, the bottom surface of the box body 1 is fixedly connected with a bottom plate 21, and the bottom surface of the bottom plate 21 is provided with a mounting hole 22, and the mounting hole 22 The number of at least two, the lightning protection device 2 can be installed, reducing unnecessary trouble.

The upper surface of the bottom plate 21 is fixedly connected with the chassis 8, the inner side wall of the chassis 8 is fixedly connected with a forward and reverse rotation motor 9, and the bottom surface of the forward and reverse rotation motor 9 is fixedly connected with a support block 26, and the bottom surface of the support block 26 is connected with the inner bottom of the chassis 8. The wall is fixedly connected to support and fix the forward and reverse motor 9, which can make the forward and reverse motor 9 more firm. The left side of the chassis 8 is provided with a through opening 10, and the inner wall of the box body 1 is fixed and inlaid with a first Bearing 11, the output end of the forward and reverse rotation motor 9 passes through the through port 10 and the first bearing 11 in turn and is fixedly connected with the first gear 12, and the outer surface of the output end of the forward and reverse rotation motor 9 is fixedly connected with the inner ring of the first bearing 11 .

The bottom surface of the first support plate 3 is fixedly embedded with a second bearing 14 , the inner ring of the second bearing 14 is fixedly connected with a threaded column 15 , the outer surface of the threaded column 15 is threadedly connected with a sliding block 16 , and the bottom end of the threaded column 15 is fixedly connected There is a second gear 13, and the second gear 13 meshes with the first gear 12, the outer surface of the lightning protection device 2 is fixedly connected with a connecting block 17, the left side of the sliding block 16 is fixedly connected with the right side of the connecting block 17, The right side of the connecting block 17 is fixedly connected with a connecting plate 18, the upper surface of the connecting plate 18 is provided with a sliding hole 19, and the inner wall of the sliding hole 19 is slidably connected with a sliding plate 20, the upper surface of the sliding plate 20 and the bottom surface of the sliding plate 20 are respectively connected with the first The bottom surfaces of the two support plates 4 are fixedly connected to the inner bottom wall of the box body 1 , and the control panel 7 is fixedly connected to the right side of the box body 1 .

Working principle: First, install the device on the top of the substation protection switch as a whole, and then connect the ground wire to the ground wire on the building. When lightning protection equipment 2 is used to protect the substation protection switch from lightning, the electric telescopic rod can be controlled through the control panel 7. 5 to stretch, through the stretching of the electric telescopic rod 5, the connected sealed door 6 can be opened, and then the control panel 7 controls the forward and reverse rotation of the motor 9 to rotate in the forward direction, and through the forward rotation of the forward and reverse motor 9, It can drive the connected first gear 12 to rotate. Through the cooperation between the first gear 12 and the second gear 13, the second gear 13 can drive the threaded column 15 to rotate in the forward direction. , so that the connecting block 17 and the lightning protection device 2 can be moved upward through the sliding block 16 to reach a suitable lightning protection height, so that lightning protection can be performed on the substation protection switch. By controlling the reverse rotation of the forward and reverse rotation motor 9, the first gear 12 and the second gear 13 can be reversed by the reverse rotation of the forward and reverse rotation motor 9, so the threaded column 15 can also be reversed, and the reverse rotation of the threaded column 15 can also be performed. Rotation, the sliding block 16 can drive the connecting block 17 and the lightning protection device 2 to move down to the inside of the box 1, and then control the electric telescopic rod 5 to shrink through the control panel 7. Through the contraction of the electric telescopic rod 5, the sealing door will be driven. 6 is lowered and closed, so that the lightning protection device 2 can be retracted into the inside of the box 1 and protected.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A lightning protection device for a substation protection switch, comprising a box body (1), characterized in that: a lightning protection device (2) is provided inside the box body (1), and the inner side wall of the box body (1) is provided with a lightning protection device (2). A first support plate (3) is fixedly connected, the inner side wall of the box body (1) is fixedly connected with a second support plate (4), and the upper surface of the first support plate (3) and the second support plate ( 4) Electric telescopic rods (5) are fixedly connected to the upper surface of the box body (1), and relatively symmetrical sealing doors (6) are fixed and hinged on the upper surface of the box body (1) through hinges. Each of the electric telescopic rods (5) ) output ends are fixedly connected with the bottom surface of each sealing door (6), the bottom surface of the box body (1) is fixedly connected with a bottom plate (21), and the upper surface of the bottom plate (21) is fixedly connected with a chassis (8). ), the inner side wall of the case (8) is fixedly connected with a forward and reverse rotation motor (9), the left side of the case (8) is provided with a through opening (10), and the inner side wall of the case (1) A first bearing (11) is fixedly inlaid, and the output end of the forward and reverse rotation motor (9) sequentially penetrates the through port (10) and the first bearing (11) and is fixedly connected with a first gear (12), and the forward and reverse The outer surface of the output end of the rotating electrical machine (9) is fixedly connected with the inner ring of the first bearing (11); The bottom surface of the first support plate (3) is fixedly embedded with a second bearing (14), the inner ring of the second bearing (14) is fixedly connected with a threaded column (15), and the outer surface of the threaded column (15) is fixedly connected A sliding block (16) is threadedly connected on the surface, a second gear (13) is fixedly connected to the bottom end of the threaded column (15), and the second gear (13) meshes with the first gear (12), the lightning protection A connecting block (17) is fixedly connected to the outer surface of the device (2), the left side of the sliding block (16) is fixedly connected with the right side of the connecting block (17), and the right side of the connecting block (17) is fixedly connected A connecting plate (18) is fixedly connected to the surface, a sliding hole (19) is opened on the upper surface of the connecting plate (18), and a sliding plate (20) is slidably connected to the inner wall of the sliding hole (19). ) and the bottom surface of the slide plate (20) are respectively fixedly connected with the bottom surface of the second support plate (4) and the inner bottom wall of the box body (1), the right side of the box body (1) is fixedly connected with a control panel (7). 2 . The lightning arrester for a substation protection switch according to claim 1 , wherein the bottom surface of the bottom plate ( 21 ) is provided with mounting holes ( 22 ), and the number of the mounting holes ( 22 ) is at least two. 3 . . 3. A lightning protection device for a substation protection switch according to claim 1, characterized in that: a support block (26) is fixedly connected to the bottom surface of the forward and reverse rotation motor (9), and the support block (26) The bottom surface of the chassis is fixedly connected with the inner bottom wall of the chassis (8). 4. A lightning protection device for a substation protection switch according to claim 1, characterized in that: an insulating protection pad (23) is fixedly connected to the inner bottom wall of the box body (1), and the insulating protection pad ( The upper surface of 23) is in contact with the bottom end of the lightning protection device (2). 5. A lightning protection device for a substation protection switch according to claim 1, characterized in that: a chute (24) is formed on the inner side wall of the box (1), and the inner wall of the chute (24) is provided with a chute (24). A slider (25) is slidably connected, and the right side of the slider (25) is fixedly connected with the left side of the connecting plate (18). 6 . The lightning arrester for a substation protection switch according to claim 1 , wherein the bottom surface of the first support plate ( 3 ) and the bottom surface of the second support plate ( 4 ) are fixedly connected with load-bearing blocks. 7 . (27), one side of the two load-bearing blocks (27) away from each other is fixedly connected to the inner side wall of the box body (1).

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