CN218040735U - Lightning arrester convenient for mounting electric power transmission and distribution equipment - Google Patents

Abstract

The utility model discloses a lightning protection device for convenient installation of electric power transmission and distribution equipment, which comprises a power distribution cabinet, an insulating rain-proof top plate and a lightning rod. A lightning protection ball is integrally connected, a connecting piece connected to the lightning rod is installed on the top of the insulating rainproof top plate, and a grounding wire is connected to the bottom end of the connecting piece, and the lightning rod is sleeved with the insulating rainproofing rod. The positioning and installation mechanism connected to the roof has beneficial effects: this device is simple in structure, easy to use, convenient to install and position the lightning rod, and at the same time increases the stability of the lightning rod after installation, and the overall insulation effect is good, so that the current can flow along the lightning rod and grounding The wire goes into the ground.

Description

A lightning protection device for convenient installation of power transmission and distribution equipment

technical field

The utility model relates to the technical field of power transmission, in particular to a lightning protection device for convenient installation of power transmission and distribution equipment.

Background technique

Electric energy transmission refers to a way that a power plant or power supply is transmitted from one place to another. Due to the immature technology in the early stage, DC transmission was mostly used for electric energy transmission, and later it gradually evolved into AC transmission. AC transmission has many advantages and reduces power consumption. Losses in transport, increasing speed and transport length. However, there is still a certain loss. I believe that when the technology matures, a more suitable power transmission method will appear. For example: solid-state compression of electric energy, separate collection of solar energy, etc. Power transmission requires a control device, which is generally managed and controlled by a power distribution cabinet. The existing lightning protection equipment for power distribution cabinets is inconvenient to install. For this, the patent number is The Chinese patent CN202022913678.2 discloses a lightning protection device for power transmission and distribution equipment. By setting a clamping device, it is convenient to install the lightning rod, and the structure is simple.

However, in the actual use process, when the above-mentioned clamping device is used to install and fix the lightning rod, the fixing effect on the lightning rod is not good, and the overall lack of insulation is prone to leakage, which has potential safety hazards.

Aiming at the problems in the related technologies, no effective solution has been proposed yet.

Utility model content

Aiming at the problems in the related technology, the utility model proposes a lightning protection device for convenient installation of power transmission and distribution equipment, so as to overcome the above-mentioned technical problems in the existing related technology.

The technical scheme of the utility model is achieved in that:

A lightning protection device for convenient installation of power transmission and distribution equipment, comprising a power distribution cabinet, an insulating rain-shielding roof and a lightning rod, the insulating rain-shielding roof is installed on the top of the power distribution cabinet, and a lightning protection ball is integrally connected to the lightning rod , the top of the insulating rain-shielding roof is equipped with a connecting piece connected to the lightning rod, the bottom end of the connecting piece is connected to a grounding wire, and the lightning rod is sleeved with a positioning device connected to the insulating rain-shielding roof mechanism, the positioning and installation mechanism includes a ceramic insulating outer cylinder, and both sides of the ceramic insulating outer cylinder are connected with fixed support frames connected with the insulating rain-proof roof, and the ceramic insulating outer cylinder is symmetrically provided with positioning and fixing mechanism, the positioning and fixing mechanism includes two arc-shaped insulating plates located in the ceramic insulating outer cylinder, the ceramic insulating outer cylinder is symmetrically provided with threaded holes, and guide holes are opened on both sides of the threaded holes, so that A threaded rod runs through the threaded hole, one end of the threaded rod is connected to the arc-shaped insulating plate through a bearing, and a guide rod connected to the arc-shaped insulating plate runs through the guide hole. An insulating rubber pad is arranged in the shaped insulating plate.

Further, a positioning sleeve is connected to one side of the outer wall of the power distribution cabinet through a connecting block, and the grounding wire runs through the positioning sleeve.

Further, the bottom ends of the fixed support frames are provided with fixed blocks, and the fixed blocks are provided with mounting holes.

Further, the connecting piece includes an outer ceramic sheath, and mica plate asbestos is arranged inside the outer ceramic sheath, and the mica plate asbestos is provided with an electric connection metal sheet, and the bottom end of the electric connection metal sheet is connected to the The ground wire is connected, and the top of the electric metal sheet is in contact with the lightning rod.

Further, a rubber sealing gasket is provided on the outer ceramic sheath on the outer casing of the lightning rod.

Further, two auxiliary pins are symmetrically arranged on the lightning protection ball.

The utility model provides a lightning protection device for convenient installation of electric power transmission and distribution equipment, and the beneficial effects are as follows:

By installing the insulated rain-proof top plate on the top of the power distribution cabinet, the lightning rod is integrally connected with the lightning protection ball, the top of the insulating rain-proof top plate is installed with the connecting piece connected with the lightning rod, the bottom end of the connecting piece is connected with the grounding wire, and the lightning rod is covered There is a positioning installation mechanism connected with the insulating rain-shielding roof. When in use, first install the fixed support frame on the top of the insulating rain-shielding roof, and make the ceramic insulating outer cylinder directly above the connecting piece, and then install the prepared lightning rod Insert it into the ceramic insulating outer cylinder in the positioning installation mechanism, connect the bottom end of the lightning rod with the connecting piece, manually rotate the threaded rod through the function of the positioning and fixing mechanism, cooperate with the bearing through the threaded hole, pass through the guide rod and the guide hole The combination of the arc-shaped insulating plate clamps the lightning rod from both sides, and through the function of the insulating rubber pad, it increases the connection stability and achieves a better insulation effect. This device has a simple structure and is easy to use. It is convenient to install and locate the lightning rod, while increasing the stability of the lightning rod after installation, and the overall insulation effect is good, so that the current can enter the ground along the lightning rod and the grounding wire.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic structural view of a lightning protection device for convenient installation of power transmission and distribution equipment according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a positioning installation mechanism in a lightning protection device for convenient installation of power transmission and distribution equipment according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a positioning and fixing mechanism in a lightning protection device for convenient installation of power transmission and distribution equipment according to an embodiment of the present invention;

Fig. 4 is a structural schematic diagram of a connector in a lightning protection device for convenient installation of power transmission and distribution equipment according to an embodiment of the present invention.

In the picture:

1. Power distribution cabinet; 2. Insulated rain-proof roof; 3. Lightning rod; 4. Lightning ball; 5. Connector; 6. Grounding wire; 7. Positioning installation mechanism; 8. Ceramic insulating outer cylinder; ; 10, positioning and fixing mechanism; 11, arc insulating plate; 12, threaded hole; 13, guide hole; 14, threaded rod; 15, bearing; 16, guide rod; 17, insulating rubber pad; 18, positioning sleeve; 19 , Connecting block; 20, Fixed block; 21, Mounting hole; 22, Outer ceramic sheath; 23, Mica plate asbestos;

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

Below, in conjunction with accompanying drawing and specific embodiment, the utility model is made further description:

Embodiment one:

Please refer to Figures 1-4, a lightning protection device for convenient installation of power transmission and distribution equipment according to an embodiment of the present invention, including a power distribution cabinet 1, an insulating rain-proof roof 2 and a lightning rod 3, and the insulating rain-shielding roof 2 is installed On the top of the distribution cabinet 1, the lightning rod 3 is integrally connected with a lightning protection ball 4, and the top of the insulating rain-proof top plate 2 is installed with a connecting piece 5 connected to the lightning rod 3, and the connecting piece 5 The bottom end is connected with a ground wire 6, and the lightning rod 3 is covered with a positioning installation mechanism 7 connected to the insulating rain-proof top plate 2. The positioning installation mechanism 7 includes a ceramic insulating outer cylinder 8, and the ceramic insulating outer cylinder Both sides of the 8 are connected with a fixed support frame 9 connected with the insulating rain-shielding roof 2, and a positioning and fixing mechanism 10 is symmetrically provided in the ceramic insulating outer cylinder 8, and the positioning and fixing mechanism 10 includes a Two arc-shaped insulating plates 11 in the outer cylinder 8, threaded holes 12 are symmetrically provided on the ceramic insulating outer cylinder 8, guide holes 13 are opened on both sides of the threaded holes 12, and guide holes 13 are provided through the threaded holes 12. There is a threaded rod 14, one end of the threaded rod 14 is connected with the arc-shaped insulating plate 11 through a bearing 15, and a guide rod 16 connected with the arc-shaped insulating plate 11 is penetrated in the guide hole 13. An insulating rubber pad 17 is arranged inside the curved insulating plate 11 .

Through the above scheme of the utility model, by installing the insulating rain-proof top plate 2 on the top of the power distribution cabinet 1, the lightning rod 3 is integrally connected with the lightning protection ball 4, and the top of the insulating rain-proof top plate 2 is installed The connecting piece 5 connected with the lightning rod 3, the bottom end of the connecting piece 5 is connected with a grounding wire 6, and the lightning rod 3 is provided with a positioning installation mechanism 7 connected with the insulating rain-proof top plate 2. The positioning installation mechanism 7 includes a ceramic insulating outer cylinder 8, and both sides of the ceramic insulating outer cylinder 8 are connected with a fixed support frame 9 connected with the insulating rain-proof top plate 2, and the ceramic insulating outer cylinder 8 is symmetrically arranged. A positioning and fixing mechanism 10, the positioning and fixing mechanism 10 includes two arc-shaped insulating plates 11 located in the ceramic insulating outer cylinder 8, and the ceramic insulating outer cylinder 8 is symmetrically provided with threaded holes 12, and the threaded holes 12 Guide holes 13 are opened on both sides of the threaded hole 12, and a threaded rod 14 is penetrated in the threaded hole 12. One end of the threaded rod 14 is connected with the arc-shaped insulating plate 11 through a bearing 15, and a threaded rod 14 is penetrated in the guide hole 13. There is a guide rod 16 connected with the arc-shaped insulating plate 11, and an insulating rubber pad 17 is arranged inside the arc-shaped insulating plate 11. When in use, the fixed support frame 9 is first installed on the top of the insulating rain-proof roof 2, And make the ceramic insulating outer cylinder 8 directly above the connector 5, then insert the prepared lightning rod 3 into the ceramic insulating outer cylinder 8 in the positioning installation mechanism 7, and connect the bottom end of the lightning rod 3 to the connector 5, Through the action of the positioning and fixing mechanism 10, the threaded rod 14 is manually rotated, the function of the threaded hole 12 to cooperate with the bearing 15, and the cooperation between the guide rod 16 and the guide hole 13, so that the arc-shaped insulating plate 11 clamps the lightning rod 3 from both sides. , through the function of the insulating rubber pad 17, while increasing its connection stability, it has a better insulating effect. Such a device has a simple structure, is convenient to use, and is convenient for installing and positioning the lightning rod 3, and at the same time increases the lightning rod 3 after installation. Stability, and the overall insulation effect is good, so that the current can enter the ground along the lightning rod 3 and the grounding wire 6.

Embodiment two:

As shown in Figure 1 , one side of the outer wall of the distribution cabinet 1 is connected with a positioning sleeve 18 through a connecting block 19, and the grounding wire 6 runs through the positioning sleeve 18, and through the function of the positioning sleeve 18, the grounding wire 6 is to the guiding role;

Embodiment three:

As shown in Figure 2, the bottom end of the fixed support frame 9 is provided with a fixed block 20, and the fixed block 20 is provided with a mounting hole 21, and the fixed block 20 cooperates with the effect of the mounting hole 21 to facilitate the fixing of the support frame 9. The connection and fixation with the insulating rain-shielding roof 2;

Embodiment four:

As shown in Figures 1 and 4, the connector 5 includes an outer ceramic sheath 22, the outer ceramic sheath 22 is provided with a mica board asbestos 23, and the mica board asbestos 23 is provided with an electrical connection metal sheet 24 , the bottom end of the electric metal sheet 24 is connected to the ground wire 6, and the top of the electric metal sheet 24 is in contact with the lightning rod 3. When in use, when the electric metal sheet 24 is connected to the lightning rod 3 , through the insulation of the mica board asbestos 23 and the outer ceramic sheath 22, the leakage of electricity during connection is prevented, and a good insulation effect is achieved.

In actual application, the fixed support frame 9 is first installed on the top of the insulating rain-proof roof 2, and the ceramic insulating outer cylinder 8 is located directly above the connecting piece 5, and then the prepared lightning rod 3 is inserted into the positioning installation mechanism 7. In the ceramic insulating outer cylinder 8, after the bottom end of the lightning rod 3 is connected with the connector 5, the threaded rod 14 is manually rotated through the function of the positioning and fixing mechanism 10, and the threaded hole 12 cooperates with the function of the bearing 15, and the guide rod 16 and the The cooperation of the guide hole 13 enables the arc-shaped insulating plate 11 to clamp the lightning rod 3 from both sides, and through the function of the insulating rubber pad 17, it increases the connection stability and achieves a better insulation effect. Such a device The structure is simple, easy to use, convenient to install and position the lightning rod 3, and increase the stability of the lightning rod 3 after installation, and the overall insulation effect is good, so that the current can enter the ground along the lightning rod 3 and the grounding wire 6.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (6)

1. The lightning arrester convenient to install electric power transmission and distribution equipment comprises a power distribution cabinet (1), an insulating rain-shielding top plate (2) and a lightning rod (3), and is characterized in that the insulating rain-shielding top plate (2) is installed at the top of the power distribution cabinet (1), the lightning rod (3) is integrally connected with a lightning ball (4), a connecting piece (5) connected with the lightning rod (3) is installed at the top of the insulating rain-shielding top plate (2), the bottom end of the connecting piece (5) is connected with a grounding wire (6), the lightning rod (3) is sleeved with a positioning installation mechanism (7) connected with the insulating rain-shielding top plate (2), the positioning installation mechanism (7) comprises a ceramic insulating outer barrel (8), two sides of the ceramic insulating outer barrel (8) are both connected with a fixed support frame (9) connected with the insulating rain-shielding top plate (2), positioning fixing mechanisms (10) are symmetrically arranged in the ceramic insulating outer barrel (8), the positioning fixing mechanisms (10) comprise two arc-shaped insulating plates (11) positioned in the ceramic insulating outer barrel (8), symmetrical outer barrels (8) are arranged on two sides of which are provided with guide holes (12), and threaded rods (12) penetrating through threaded holes (14) and penetrating through threaded holes (12), one end of the threaded rod (14) is connected with the arc-shaped insulating plate (11) through a bearing (15), a guide rod (16) connected with the arc-shaped insulating plate (11) penetrates through the guide hole (13), and an insulating rubber pad (17) is arranged in the arc-shaped insulating plate (11).

2. The lightning protection device for facilitating the installation of electric power transmission and distribution equipment according to claim 1, characterized in that one side of the outer wall of the power distribution cabinet (1) is connected with a positioning sleeve (18) through a connecting block (19), and the grounding wire (6) penetrates through the positioning sleeve (18).

3. The lightning protection device convenient for installing electric power transmission and distribution equipment as claimed in claim 2, wherein the bottom ends of the fixed support frames (9) are provided with fixing blocks (20), and the fixing blocks (20) are provided with installation holes (21).

4. The lightning protection device convenient for installation of electric power transmission and distribution equipment according to claim 3, wherein the connecting member (5) comprises an outer ceramic sheath (22), mica board asbestos (23) is arranged in the outer ceramic sheath (22), an electric connection metal sheet (24) is arranged on the mica board asbestos (23), the bottom end of the electric connection metal sheet (24) is connected with the grounding wire (6), and the top end of the electric connection metal sheet (24) is in contact with the lightning rod (3).

5. A lightning protection device for facilitating the installation of an electric power transmission and distribution equipment according to claim 4, characterized in that the outer ceramic sheath (22) is provided with a rubber sealing gasket (25) on the outside of the lightning rod (3).

6. A lightning protection device for facilitating the installation of electric power transmission and distribution equipment according to claim 5, characterized in that the lightning protection ball (4) is symmetrically provided with two auxiliary pins (26).

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