Composite housed lightning arrester base umbrella skirt with moisture-proof function

Abstract

The utility model relates to the field of lightning arresters, in particular to a composite jacket lightning arrester base umbrella skirt with a moisture-proof function. The base umbrella skirt aims to solve the technical problems that in the prior art, a lightning arrester base is exposed in an external environment for a long time, the base is affected with damp due to rain wash, the insulating property is reduced, and potential safety hazards are generated. The utility model discloses a composite housed lightning arrester base umbrella skirt with a moisture-proof function. The composite housed lightning arrester base umbrella skirt comprises a lightning arrester main body, a base plate, an umbrella skirt assembly and a supporting assembly, according to the utility model, the umbrella skirt assembly can isolate the influence of the external rainwater environment on the composite jacket lightning arrester base, and solves the problem that the traditional lightning arrester base is exposed in the external environment for a long time, the base is affected with damp and the insulating property is reduced due to rainwater washing, so that potential safety hazards are generated; meanwhile, rainwater isolated by the umbrella skirt assemblies flows downwards along the radians of the umbrella skirt assemblies, and the rainwater is guided to be discharged far away.

Description

Technical Field

[0001] The utility model relates to the field of lightning arresters, in particular to a composite outer jacket lightning arrester base shed with moisture-proof function. Background Art

[0002] Composite jacket arrester is a power system overvoltage protection device that combines a metal oxide varistor (MOV) with a polymer jacket. The working principle of this arrester is to use the characteristics of the metal oxide varistor. When an overvoltage appears in the power system, the varistor will quickly turn on and introduce the overvoltage to the ground, protecting the power equipment and system from damage by the overvoltage.

[0003] The base of traditional lightning arresters is exposed to the external environment for a long time. Due to rain erosion, the base becomes damp and the insulation performance decreases, thus creating potential safety hazards. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a composite jacket arrester base umbrella skirt with moisture-proof function. The base umbrella skirt is intended to solve the technical problem that the arrester base in the prior art is exposed to the external environment for a long time, and the base becomes damp due to rain erosion, and the insulation performance is reduced, thereby causing potential safety hazards.

[0005] The technical scheme of the utility model is: a composite jacket arrester base shed with moisture-proof function, comprising an arrester body, a base plate, an shed assembly, a support assembly, a drying plate, a limit groove, a limit block, a mounting hole, a fixing bolt and a protection assembly; a base plate for stably mounting on the ground is fixedly connected to the lower end of the arrester body; an shed assembly for preventing rain from scouring the base plate is installed on the outer side of the base plate; a support assembly for increasing the impact resistance of the shed assembly is placed on the inner side of the shed assembly; a drying plate for absorbing moisture in the cavity of the shed assembly is placed on the upper end of the base plate; a protection assembly for holding down the shed assembly and preventing the shed seal from being exposed is arranged on the upper end of the arrester body and the shed assembly.

[0006] Preferably, in the first step, the base plate of the composite jacket lightning arrester is fixed on the ground, and then two drying plates made of activated carbon or other water-absorbing materials are placed on the base plate; in the second step, the support assembly is taken out and inserted from the upper end of the support rod of the lightning arrester body, and placed on the upper end of the drying plate; in the third step, after the umbrella skirt assembly is inserted, the entire base plate, the drying plate and the support assembly are covered and fixed; in the fourth step, the protection assembly is finally installed, which can not only support the umbrella skirt assembly downward to prevent the umbrella skirt assembly from detaching from the base plate after the bolt fails, but also prevent the umbrella skirt seal from being exposed to the outside, accelerating the aging speed and reducing the sealing performance; in the fifth step, when rainwater scours the base, the umbrella skirt assembly can isolate the influence of the external rainwater environment on the base of the composite jacket lightning arrester, solve the problem that the base of the traditional lightning arrester is exposed to the external environment for a long time, the base is damp due to rainwater scouring, the insulation performance is reduced, and potential safety hazards are generated. In a humid or rainy environment, good insulation performance can be maintained, and at the same time, the rainwater isolated by the umbrella skirt assembly flows downward along the arc of the umbrella skirt assembly, and the rainwater is diverted to a distant place for discharge.

[0007] Preferably, the umbrella skirt assembly includes an umbrella skirt-shaped cover, a base cover, an avoidance hole, a sealing gasket, a sealing ring, a water trough and a drainage channel; the lower end of the umbrella skirt-shaped cover is fixedly connected to a base cover for wrapping a base plate; a sealing gasket is arranged between the base plate and the base cover; the staff first puts the sealing gasket on the outside of the sealing gasket, and then integrates the umbrella skirt-shaped cover and the base cover into an integrated structure and installs it on the outside of the base of the composite jacket lightning arrester, and a sealing ring is installed at the avoidance hole, so that a protective seal is formed inside, thereby greatly improving the moisture-proof performance of the base.

[0008] Preferably, an avoidance hole for avoiding the arrester support rod is opened at the upper end of the umbrella skirt-shaped cover; a sealing ring is arranged between the avoidance hole and the arrester main body support rod; the cross-section of the sealing ring is "I"-shaped; an annular water receiving trough is fixedly connected to the lower end of the outer side of the umbrella skirt-shaped cover; a drainage channel for discharging rainwater to a distant place is arranged at the front end of the water receiving trough; when rainwater washes the base, the rainwater flows downward along the curvature of the umbrella skirt-shaped cover, and the rainwater is diverted to the water receiving trough and discharged to a distant place through the drainage channel.

[0009] Preferably, the support assembly includes a positioning ring, a support frame and an arc-shaped bracket; a positioning ring is sleeved on the outside of the arrester main body support rod; a circular equidistantly distributed support frame is fixedly connected to the outside of the positioning ring; an arc-shaped bracket is fixedly connected to one end of the support frame away from the arrester main body support rod; the positioning ring is sleeved on the outside of the arrester main body support rod, and the support frame and the arc-shaped bracket outside the positioning ring support the umbrella skirt-shaped cover from the inside to increase the impact resistance.

[0010] Preferably, the protection assembly includes a protective shell, an internal thread and an external threaded sleeve; an internal thread is opened on the inner side of the protective shell; an external threaded sleeve is fixedly connected to the outer side of the arrester main body support rod; the internal thread and the external threaded sleeve are threadedly connected; the protective shell is inserted into the arrester main body support rod, and when it reaches the external threaded sleeve area, the protective shell with the internal thread is rotated to move downward, and the protective shell presses downward against the umbrella skirt assembly while preventing the umbrella skirt sealing ring from being exposed to the outside.

[0011] Preferably, there are two drying plates and they are symmetrically distributed left and right; a drying plate is provided with front-to-back symmetrical limit grooves at one end close to the arrester body; another drying plate is fixedly connected with front-to-back symmetrical limit blocks at one end close to the arrester body; the limit blocks are engaged with the limit grooves; the limit grooves of the two drying plates are aligned with the limit blocks and inserted to facilitate positioning of the drying plates on the upper end of the base plate.

[0012] Preferably, both the base plate and the outer sides of the umbrella skirt assembly are provided with mounting holes with matching positions; and the mounting holes are connected to each other by fixing bolts.

[0013] Beneficial effects of the utility model:

[0014] The utility model can isolate the influence of the external rain environment on the composite jacket lightning arrester base through the umbrella skirt component, and solves the problem that the traditional lightning arrester base is exposed to the external environment for a long time, the base is damp due to rain erosion, the insulation performance is reduced, and thus potential safety hazards are generated. In this way, the design can maintain good insulation performance in a humid or rainy environment. At the same time, the rainwater isolated by the umbrella skirt component flows downward along the arc of the umbrella skirt component, and the rainwater is diverted and discharged to a distant place. A drying plate is provided in the umbrella skirt component for absorbing moisture in the cavity of the umbrella skirt component. A supporting component is provided in the umbrella skirt component to increase the impact resistance of the umbrella skirt component. A protective component is provided on the upper end of the umbrella skirt component, which can not only support the umbrella skirt component downward to prevent the umbrella skirt component from being separated from the base plate after the bolt fails, but also prevent the umbrella skirt seal from being exposed to the outside, accelerating the aging speed and reducing the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 What is shown is a three-dimensional structural schematic diagram of the base shed of the utility model;

[0016] Figure 2 The diagram shows a partial disassembled structure of the base shed of the utility model;

[0017] Figure 3 Shown is a schematic diagram of the support assembly and drying plate structure of the base shed of the utility model;

[0018] Figure 4 Shown is a schematic diagram of the disassembled structure of the protective components of the base umbrella skirt of the utility model.

[0019] Explanation of the accompanying drawings: 1. Lightning arrester body; 2. Base plate; 3. Umbrella skirt assembly; 301. Umbrella skirt-shaped cover; 302. Base cover; 303. Avoidance hole; 304. Sealing gasket; 305. Sealing ring; 306. Water receiving trough; 307. Drainage channel; 4. Support assembly; 401. Positioning ring; 402. Support frame; 403. Arc-shaped bracket; 5. Drying plate; 6. Limiting groove; 7. Limiting block; 8. Mounting hole; 9. Fixing bolt; 10. Protection assembly; 1001. Protection shell; 1002. Internal thread; 1003. External thread sleeve. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1 The utility model provides an embodiment: a composite jacket arrester base shed with moisture-proof function, comprising an arrester body 1, a base plate 2, an shed assembly 3, a support assembly 4, a drying plate 5, a limit groove 6, a limit block 7, a mounting hole 8, a fixing bolt 9, and a protection assembly 10; the lower end of the arrester body 1 is fixedly connected with a base plate 2 for stable installation on the ground; an shed assembly 3 for preventing rain from scouring the base plate 2 is installed on the outer side of the base plate 2; a support assembly 4 for increasing the impact strength of the shed assembly 3 is placed on the inner side of the shed assembly 3; a drying plate 5 for absorbing moisture in the cavity of the shed assembly 3 is placed on the upper end of the base plate 2; a protection assembly 10 for resisting the shed assembly 3 downward and preventing the shed seal from being exposed to the outside is arranged on the upper end of the arrester body 1 and the shed assembly 3.

[0022] See also Figure 2In this embodiment, the umbrella skirt assembly 3 includes an umbrella skirt-shaped cover 301, a base cover 302, an avoidance hole 303, a sealing gasket 304, a sealing ring 305, a water receiving trough 306 and a drainage channel 307; the lower end of the umbrella skirt-shaped cover 301 is fixedly connected to a base cover 302 for wrapping the base plate 2; a sealing gasket 304 is arranged between the base plate 2 and the base cover 302; the staff first inserts the sealing gasket 304 into the outside of the sealing gasket 304, and then the umbrella skirt-shaped cover 301 and the base cover 302 form an integrated structure and are installed on the outside of the composite jacket arrester base, and a sealing ring 305 is installed at the avoidance hole 303, so that a protective seal is formed inside, thereby greatly improving the moisture-proof performance of the base, and the umbrella skirt-shaped cover 301 is provided with a sealing ring 305. An avoidance hole 303 for avoiding the support rod of the lightning arrester is provided at the upper end of the cover 301; a sealing ring 305 is provided between the avoidance hole 303 and the support rod of the lightning arrester body 1; the cross-section of the sealing ring 305 is in the shape of an "I" character; an annular water receiving trough 306 is fixedly connected to the lower end of the outer side of the umbrella skirt-shaped cover 301; a drainage channel 307 for discharging rainwater to a distant place is provided at the front end of the water receiving trough 306; when rainwater washes the base, the rainwater flows downward along the arc of the umbrella skirt-shaped cover 301, and the rainwater is guided to the water receiving trough 306 and discharged to a distant place through the drainage channel 307; the outer sides of the base plate 2 and the umbrella skirt assembly 3 are provided with matching mounting holes 8; the mounting hole 8 is installed and connected with another mounting hole 8 by fixing bolts 9.

[0023] See also Figure 3 In this embodiment, the support assembly 4 includes a positioning ring 401, a support frame 402 and an arc-shaped bracket 403; a positioning ring 401 is sleeved on the outside of the support rod of the lightning arrester body 1; a support frame 402 distributed in an annular manner is fixedly connected to the outside of the positioning ring 401; an arc-shaped bracket 403 is fixedly connected to the end of the support frame 402 away from the support rod of the lightning arrester body 1; the positioning ring 401 is inserted into the outside of the support rod of the lightning arrester body 1, and the support frame 402 and the arc-shaped bracket 403 on the outside of the positioning ring 401 support the umbrella skirt-shaped cover 301 from the inside to increase the impact strength; the number of drying plates 5 is two and they are symmetrically distributed left and right; a front-to-back symmetrical limiting groove 6 is opened on the end of the drying plate 5 close to the lightning arrester body 1; another drying plate 5 is fixedly connected to a front-to-back symmetrical limiting block 7 close to the end of the lightning arrester body 1; the limiting block 7 is engaged with the limiting groove 6; the limiting grooves 6 of the two drying plates 5 are aligned and inserted with the limiting blocks 7 to facilitate the positioning of the drying plate 5 on the upper end of the base plate 2.

[0024] See also Figure 4In this embodiment, the protection component 10 includes a protection shell 1001, an internal thread 1002 and an external thread sleeve 1003; an internal thread 1002 is opened on the inner side of the protection shell 1001; an external thread sleeve 1003 is fixedly connected to the outer side of the support rod of the lightning arrester body 1; the internal thread 1002 and the external thread sleeve 1003 are threadedly connected; the protection shell 1001 is inserted into the support rod of the lightning arrester body 1, and when it reaches the area of ​​the external thread sleeve 1003, the protection shell 1001 with the internal thread 1002 is rotated to move downward, and the protection shell 1001 presses downward against the umbrella skirt component 3, while preventing the umbrella skirt sealing ring 305 from being exposed to the outside.

[0025] When working, the first step is to fix the base plate 2 of the composite sheath arrester on the ground, and then place two drying plates 5 made of activated carbon or other water-absorbing materials on the base plate 2. The limiting grooves 6 of the two drying plates 5 are aligned with the limiting blocks 7 and inserted to facilitate the positioning of the drying plates 5 on the upper end of the base plate 2.

[0026] In the second step, take out the support assembly 4 and insert it from the upper end of the support rod of the lightning arrester body 1, and place it on the upper end of the drying plate 5. The positioning ring 401 is inserted into the outside of the support rod of the lightning arrester body 1. The support frame 402 and the arc-shaped bracket 403 outside the positioning ring 401 support the umbrella skirt-shaped cover 301 from the inside to increase the impact resistance.

[0027] In the third step, after the umbrella skirt assembly 3 is inserted, the umbrella skirt-shaped cover 301 and the base cover 302 cover the entire base plate 2, the drying plate 5 and the support assembly 4. The avoidance hole 303 at the upper end of the umbrella skirt-shaped cover 301 is provided with a sealing ring 305, and the inner side of the base cover 302 is provided with a sealing gasket 304, so that a protective seal is formed inside, thereby greatly improving the moisture-proof performance of the base, and then the fixing bolts 9 are screwed into the base cover 302, the sealing gasket 304 and the mounting hole 8 of the base plate 2 in turn for fixing.

[0028] In the fourth step, finally install the protection component 10, and the protection shell 1001 is inserted into the support rod of the lightning arrester body 1. When it reaches the area of ​​the external threaded sleeve 1003, the protection shell 1001 with the internal thread 1002 is rotated to move downward. The protection shell 1001 presses downward against the umbrella skirt component 3 and can prevent the umbrella skirt sealing ring 305 from being exposed to the outside, which accelerates the aging speed and reduces the sealing performance.

[0029] In the fifth step, when rainwater washes the base, the rainwater on the umbrella skirt-shaped cover 301 of the umbrella skirt assembly 3 flows downward along the arc, and the rainwater is directed to the water receiving trough 306 and discharged to a distant place through the drainage channel 307.

[0030] Through the above steps, the umbrella skirt component 3 can isolate the influence of the external rain environment on the base of the composite jacket lightning arrester, so as to solve the problem that the base of the traditional lightning arrester is exposed to the external environment for a long time, the base is damp due to rain erosion, the insulation performance is reduced, and potential safety hazards are generated. In this way, the design can maintain good insulation performance in a humid or rainy environment. At the same time, the rainwater isolated by the umbrella skirt component 3 flows downward along the arc of the umbrella skirt component 3, and the rainwater is diverted to a distant place for discharge. A drying plate 5 is provided in the umbrella skirt component 3 for absorbing moisture in the cavity of the umbrella skirt component 3. A supporting component 4 is provided in the umbrella skirt component 3 to increase the impact strength of the umbrella skirt component 3; a protective component 10 is provided on the upper end of the umbrella skirt component 3, which can not only support the umbrella skirt component 3 downward to prevent the umbrella skirt component 3 from separating from the base plate 2 after the bolt fails, but also prevent the umbrella skirt seal from being exposed to the outside, accelerating the aging speed and reducing the sealing performance.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A composite outer jacket arrester base shed with moisture-proof function, comprising an arrester body (1); characterized in that: The invention also comprises a base plate (2), an umbrella skirt assembly (3), a support assembly (4), a drying plate (5), a limit groove (6), a limit block (7), a mounting hole (8), a fixing bolt (9), and a protection assembly (10); the lower end of the arrester body (1) is fixedly connected with a base plate (2) for stably mounting on the ground; an umbrella skirt assembly (3) for preventing rainwater from washing the base plate (2) is mounted on the outer side of the base plate (2); a support assembly (4) for increasing the impact resistance of the umbrella skirt assembly (3) is placed on the inner side of the umbrella skirt assembly (3); a drying plate (5) for absorbing moisture in the cavity of the umbrella skirt assembly (3) is placed on the upper end of the base plate (2); and a protection assembly (10) for resisting the umbrella skirt assembly (3) downwards and preventing the umbrella skirt seal from being exposed is arranged at the upper end of the arrester body (1) and the umbrella skirt assembly (3).

2. The composite jacket arrester base shed with moisture-proof function according to claim 1, characterized in that: The umbrella skirt assembly (3) includes an umbrella skirt-shaped cover (301), a base cover (302), an avoidance hole (303), a sealing pad (304), a sealing ring (305), a water receiving groove (306) and a drainage channel (307); the lower end of the umbrella skirt-shaped cover (301) is fixedly connected to a base cover (302) for wrapping the base plate (2); and a sealing pad (304) is provided between the base plate (2) and the base cover (302).

3. The composite jacket arrester base shed with moisture-proof function according to claim 2, characterized in that: An escape hole (303) for escaping the arrester support rod is provided at the upper end of the umbrella-shaped cover (301); a sealing ring (305) is provided between the escape hole (303) and the arrester body (1) support rod; the sealing ring (305) has an I-shaped cross section; an annular water receiving trough (306) is fixedly connected to the lower end of the outer side of the umbrella-shaped cover (301); a drainage channel (307) for discharging rainwater to a distant place is provided at the front end of the water receiving trough (306).

4. The composite jacket arrester base shed with moisture-proof function according to claim 1, characterized in that: The support assembly (4) comprises a positioning ring (401), a support frame (402) and an arc-shaped bracket (403); the positioning ring (401) is sleeved on the outside of the support rod of the arrester body (1); the outside of the positioning ring (401) is fixedly connected to the support frame (402) distributed in an annular manner and at equal intervals; the support frame (402) is fixedly connected to one end of the support rod away from the arrester body (1) to the arc-shaped bracket (403).

5. The composite jacket arrester base shed with moisture-proof function according to claim 1, characterized in that: The protection component (10) comprises a protection shell (1001), an internal thread (1002) and an external thread sleeve (1003); the internal thread (1002) is provided on the inner side of the protection shell (1001); the external thread sleeve (1003) is fixedly connected to the outer side of the support rod of the arrester body (1); and the internal thread (1002) and the external thread sleeve (1003) are threadedly connected.

6. The composite jacket arrester base shed with moisture-proof function according to claim 1, characterized in that: There are two drying plates (5) and they are symmetrically distributed left and right. One end of the drying plate (5) close to the arrester body (1) is provided with a front-to-back symmetrical limiting groove (6). One end of the other drying plate (5) close to the arrester body (1) is fixedly connected with a front-to-back symmetrical limiting block (7). The limiting block (7) is engaged with the limiting groove (6).

7. The composite jacket arrester base shed with moisture-proof function according to claim 1, characterized in that: The base plate (2) and the outer sides of the umbrella skirt assembly (3) are both provided with mounting holes (8) with matching positions; The mounting hole (8) is mounted and connected to another mounting hole (8) via a fixing bolt (9).

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