CN210575295U - Lightning protection porcelain insulator with bird damage prevention nut structure safety cover - Google Patents
Lightning protection porcelain insulator with bird damage prevention nut structure safety cover Download PDFInfo
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- CN210575295U CN210575295U CN201921815917.1U CN201921815917U CN210575295U CN 210575295 U CN210575295 U CN 210575295U CN 201921815917 U CN201921815917 U CN 201921815917U CN 210575295 U CN210575295 U CN 210575295U
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- safety cover
- porcelain insulator
- insulator
- metal
- bird damage
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Abstract
A lightning protection porcelain insulator with a bird damage prevention nut structure safety cover comprises a porcelain insulator with a rain-proof disc, wherein a metal end is arranged at the upper end of the porcelain insulator, a metal screw and a fixing nut are arranged on the axis of the lower end of the porcelain insulator, a wiring clamp is arranged at the top end of the metal end, and an electricity testing grounding ring is arranged at one end of the wiring clamp; the upper part and the lower part of the porcelain insulator are respectively provided with a corresponding lightning rod and a corresponding discharge head; the root parts of the metal end, the jointing clamp and the lightning rod are all arranged in a safety cover. The upper part of the safety cover is provided with a bottle cap-shaped screw cap which is connected with the lower part of the safety cover through threads; the top end of the nut is provided with a herringbone peak and a herringbone spike. The advantages are that: the top end of the safety cover adopts a bottle cap-shaped screw cap and is connected with the lower part through threads, so that butt joint seams at the top end are eliminated, the sealing performance is improved, and the safety cover is convenient to install; the top and the spine of the screw cap prevent birds from falling and building bird nests, thereby effectively preventing bird damage. The grounding ring extends towards one side, so that the grounding operation is facilitated, and the strength of the connecting arm is enhanced.
Description
Technical Field
The utility model relates to a lightning protection vase insulator of bird pest nut structure safety guard is prevented in area for electric power transmission line's support.
Background
The porcelain insulator is a commonly used supporting component of an electric power transmission line, the main structure of the prior art comprises the porcelain insulator with a rainproof disc, a metal end is arranged at the upper end of the porcelain insulator, a metal screw and a fixing nut are arranged on the axis of the lower end of the porcelain insulator, a wiring clamp is arranged at the top end of the metal end, and one end of the wiring clamp is connected with an electricity testing grounding ring through a connecting arm; one side of the metal end is connected with a lightning rod bent downwards, the lower end of the lightning rod is provided with a discharge end facing the lower end of the insulator, and the lower part of the insulator of the porcelain insulator is provided with a discharge head opposite to the discharge end of the lightning rod; the metal end, the wiring clamp and the root of the lightning rod are all arranged in a safety cover, and two ends of the middle part of the safety cover are provided with power line protective pipes which correspond to two sides of the wiring clamp, protrude outwards and are gradually reduced in diameter; an outlet for passing through the lightning rod is arranged below the power line protective pipe at one end; the safety cover consists of a half box body, an upper box body and a lower box body, wherein the top ends of the upper box body and the half box body are connected with each other through a bendable connector; the lower box body is buckled with the lower part of the half box body relatively, and the upper edge of the lower box body is inserted into the inner side of the lower edge of the upper box body. The disadvantages are that: the top end is a plane and is provided with a butt joint seam, so that rain and snow are not smoothly drained, and easily permeate into the cover to cause corrosion of metal parts inside the safety cover; the flat top of the safety cover is easy to cause bird damage (damage caused by falling the cover body and corrosion of the cover body caused by building a bird nest).
Disclosure of Invention
The utility model aims at providing a lightning protection porcelain insulator with a bird damage prevention nut structure safety cover, which solves the problems that the safety cover in the prior art has butt joint at the top end and the rain and snow are not smoothly discharged; easily causing bird damage.
The technical scheme of the utility model is that: a lightning protection porcelain insulator with a bird damage prevention nut structure safety cover comprises a porcelain insulator with a rain-proof disc, wherein a metal end is arranged at the upper end of the porcelain insulator, a metal screw and a fixing nut are arranged on the axis of the lower end of the porcelain insulator, and a wiring clamp is arranged at the top end of the metal end; one side of the metal end is connected with a lightning rod bent downwards, the lower end of the lightning rod is provided with a discharge end facing the lower end of the insulator, and the lower part of the insulator of the porcelain insulator is provided with a discharge head opposite to the discharge end of the lightning rod; the metal end, the wiring clamp and the root of the lightning rod are all arranged in a safety cover, and two ends of the middle part of the safety cover are provided with power line protective pipes which correspond to two sides of the wiring clamp, protrude outwards and are gradually reduced in diameter; an outlet for passing through the lightning rod is arranged below the power line protective pipe at one end; the lower part of the safety cover is formed by buckling two half parts, a pair of lugs which correspond to each other are respectively arranged between the upper part and the lower part of two sides of the two half parts, through holes are arranged on the lugs, and lock catches are arranged in the through holes; the bottom ends of the two half parts are provided with semicircular holes for penetrating through the necks of the porcelain insulator, and the porcelain insulator is characterized in that a bottle cap-shaped screw cap is arranged at the upper part of the safety cover, and internal threads at the lower part of the screw cap are matched and connected with external threads at the lower part of the safety cover; the top end of the screw cap is provided with a herringbone peak.
One end of the wiring clamp is connected with a rectangular electricity testing grounding ring through a connecting arm, and one side of the electricity testing grounding ring is a metal exposed side; and a connecting arm opening for passing through a connecting arm of the electricity testing grounding ring is arranged in the middle of one side, perpendicular to the power line protective pipe, of the upper end of the lower part of the safety cover.
The metal exposed edge of the electricity testing grounding ring extends to one side, the width of one end of the connecting arm connected with the electricity testing grounding ring is also expanded to the side length of the whole connecting edge of the electricity testing grounding ring, and a triangular connecting arm is formed.
And a plurality of spikes are arranged at intervals on the top end of the spike top along the length direction.
The periphery of the lower end of the screw cap is provided with a rain-proof edge.
The rain-proof plate of the porcelain insulator is 3-5 round plates or 1-3 umbrella-shaped plates.
The utility model has the advantages that: the top end of the safety cover adopts a bottle cap-shaped screw cap and is connected with the lower part through threads, so that butt joint seams at the top end are eliminated, the sealing performance is improved, and the safety cover is convenient to install; the top and the spine of the screw cap prevent birds from falling and building bird nests, thereby effectively preventing bird damage. The grounding ring extends towards one side, so that the grounding operation is facilitated, and the strength of the connecting arm is enhanced.
Drawings
3 fig. 31 3 is 3 a 3 schematic 3 view 3 of 3 the 3 general 3 structure 3 of 3 a 3 first 3 embodiment 3 of 3 the 3 present 3 invention 3 ( 3 a 3 plurality 3 of 3 disc 3- 3 type 3 rain 3- 3 proof 3 discs 3 with 3 an 3 electroscopic 3 ground 3 ring 3 and 3 a 3 lightning 3 rod 3) 3 ( 3 a 3- 3 a 3 cross 3- 3 sectional 3 view 3 of 3 fig. 32 3) 3; 3
FIG. 2 is a cross-sectional view B-B of FIG. 1;
FIG. 3 is a top view of the safety shield of FIG. 1 with the safety shield removed;
FIG. 4 is a front view of the safety shield of the present invention;
FIG. 5 is a top view of the nut of FIG. 4;
fig. 6 is a schematic view (same as the section of fig. 2) of the general structure of a second embodiment (single umbrella-shaped rain-proof plate) of the present invention;
fig. 7 is a schematic view (same as the section of fig. 2) of the overall structure of a third embodiment (double umbrella-shaped rain-proof plate) of the present invention;
FIG. 8 is a right side view of FIG. 2 (i.e., the profile view of FIG. 1);
fig. 9 is a schematic view (same as the cross section of fig. 2) of the general structure of a fourth embodiment of the present invention;
fig. 10 is a top view of a fifth embodiment of the present invention (without the safety shield).
Detailed Description
Referring to fig. 1 to 5 and 8, the first embodiment of the lightning protection insulator with the bird damage prevention nut structure safety cover of the present invention comprises a porcelain insulator with five disc-shaped rain-proof discs 1, wherein metal ends 5 are respectively arranged at the upper end and the lower end of the porcelain insulator, a metal screw 6 and a fixing nut are arranged on the axis of the lower end, a wiring clamp 2 is arranged at the top end of the metal end 5 at the upper end, and one end of the top plate of the wiring clamp 2 is connected with an electricity testing grounding ring 10 through a connecting arm 11; one side of the metal end 5 at the upper end is connected with a lightning rod 4 which is bent downwards, and the lower end of the lightning rod 4 is provided with a discharge end 41 facing to the lower end of the insulator; a transverse discharge head supporting arm 7 is arranged on a metal screw 6 below a metal end 5 at the lower end of the porcelain insulator, two ends of the discharge head supporting arm 7 are bent upwards, a discharge head 8 corresponding to a discharge end 41 is arranged at one end of the discharge head supporting arm 7, and a grounding terminal 9 used for connecting a ground wire is arranged at the other end of the discharge head supporting arm 7. The metal end 5 at the upper end, the jointing clamp 2, the connecting arm 11 and the root of the lightning rod 4 (the joint with the metal end 5 at the upper end) are all installed in an insulating safety cover 3 (the left side and the right side of the insulating safety cover are provided with power line protective pipes 31 for passing through a power line, and an outlet 33 for passing through the root of the lightning rod 4 is arranged below the power line protective pipe 31 at one end).
The main structure of the safety cover 3 is that the lower part of the safety cover 3 is formed by buckling two half parts, a pair of lugs 34 corresponding to each other is respectively arranged between the upper part and the lower part of two sides of the two half parts, the lugs 34 are provided with through holes, and the through holes are internally provided with lock catches 12; the bottom ends of the two half parts are provided with semicircular holes (which are round holes after being buckled) for penetrating through the neck parts of the porcelain insulator; a connecting arm opening 32 for passing through the connecting arm 11 of the electricity testing grounding ring 10 is arranged at the middle part of one side of the safety cover 3, which is vertical to the power line protective pipe 31. The above structure is prior art.
The utility model discloses the part to safety guard 3 improvement is: a bottle cap-shaped screw cap 37 is arranged at the upper part of the safety cover 3, and the internal thread at the lower part of the screw cap 37 is mutually connected with the external thread at the lower part (top end) of the safety cover; a chevron-shaped peak 35 (the peak of which lies along the diameter of the nut 37, as shown in fig. 5) is provided at the top end of the nut 37, the peak 35 facilitating drainage and also preventing bird droppings and bird nesting; a plurality of spikes 36 can be arranged at intervals along the length direction at the top end of the pointed top 35 to further prevent birds and nests from falling. A rain-proof edge 38 is arranged on the periphery of the lower end of the screw cap 37.
In addition, the electricity testing grounding ring 8 is also improved, and the metal exposed edge (the grounding edge without the insulating layer) of the electricity testing grounding ring 8 extends towards one side, so that the grounding hook can be easily hung on the grounding edge of the electricity testing grounding ring 8 during grounding operation. One end of the connecting arm 9 connected with the electricity testing grounding ring 8 is also expanded to form a triangular connecting arm 9, so that the connecting strength of the electricity testing grounding ring 8 is increased.
The disc-shaped rain-proof plate 1 of the porcelain insulator of the first embodiment can be increased or decreased according to the requirement, and the number of the rain-proof plate is generally 3-5.
The shape of the rain-proof disc 1 can be the disc shape of the existing various insulator, such as an umbrella-shaped disc shown in fig. 6, and two umbrella-shaped discs shown in fig. 7, wherein the diameter of the umbrella-shaped disc on the rain-proof disc is larger. The lower end of the insulator of the umbrella-shaped disc is provided with no metal end 5.
Referring to fig. 9, the discharge head 8 of the present invention can also be directly connected to one side of the metal end 5 of the lower end of the insulator.
Referring to fig. 10, this embodiment does not have the electroscopic grounding ring 10 and its connecting arms 11, and the corresponding safety cover 3 also has the connecting arm openings 32 for passing through the connecting arms 11 removed (the safety cover is not shown, please refer to the first embodiment).
The safety cover 3 may be made of a plastic (such as polyethylene or polyvinyl chloride or other plastics with similar properties, or a plastic material) with certain elasticity, and the outlets of the two ends penetrating through the power line are sealed by rubber sleeves, which is also the prior art.
Claims (6)
1. A lightning protection porcelain insulator with a bird damage prevention nut structure safety cover comprises a porcelain insulator with a rain-proof disc, wherein a metal end is arranged at the upper end of the porcelain insulator, a metal screw and a fixing nut are arranged on the axis of the lower end of the porcelain insulator, and a wiring clamp is arranged at the top end of the metal end; one side of the metal end is connected with a lightning rod bent downwards, the lower end of the lightning rod is provided with a discharge end facing the lower end of the insulator, and the lower part of the insulator of the porcelain insulator is provided with a discharge head opposite to the discharge end of the lightning rod; the metal end, the wiring clamp and the root of the lightning rod are all arranged in a safety cover, and two ends of the middle part of the safety cover are provided with power line protective pipes which correspond to two sides of the wiring clamp, protrude outwards and are gradually reduced in diameter; an outlet for passing through the lightning rod is arranged below the power line protective pipe at one end; the lower part of the safety cover is formed by buckling two half parts, a pair of lugs which correspond to each other are respectively arranged between the upper part and the lower part of two sides of the two half parts, through holes are arranged on the lugs, and lock catches are arranged in the through holes; the bottom ends of the two half parts are provided with semicircular holes for penetrating through the necks of the porcelain insulator, and the porcelain insulator is characterized in that a bottle cap-shaped screw cap is arranged at the upper part of the safety cover, and internal threads at the lower part of the screw cap are matched and connected with external threads at the lower part of the safety cover; the top end of the screw cap is provided with a herringbone peak.
2. The lightning protection porcelain insulator with the bird damage prevention nut structure safety cover according to claim 1, wherein one end of the jointing clamp is connected with a rectangular electricity testing grounding ring through a connecting arm, and one side of the electricity testing grounding ring is a metal exposed side; and a connecting arm opening for passing through a connecting arm of the electricity testing grounding ring is arranged in the middle of one side, perpendicular to the power line protective pipe, of the upper end of the lower part of the safety cover.
3. The insulator of the porcelain insulator with the safety cover of the bird damage prevention nut structure as claimed in claim 2, wherein the exposed metal edge of the electricity testing grounding ring extends to one side, and the width of the end of the connecting arm connected with the electricity testing grounding ring also extends to the side length of the whole connecting edge of the electricity testing grounding ring to form a triangular connecting arm.
4. The porcelain insulator with the bird damage prevention nut structure safety cover for the lightning protection insulator as claimed in claim 1, wherein a plurality of spikes are provided at intervals along a longitudinal direction at the top end of the spike.
5. The porcelain insulator with bird damage prevention nut structure safety cover for lightning protection as claimed in claim 1, wherein a rain-proof edge is provided at the periphery of the lower end of the nut.
6. The lightning protection insulator with the bird damage prevention nut structure safety cover according to claim 1, wherein the rain-proof disc of the insulator is 3-5 discs or 1-3 umbrella-shaped discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815917.1U CN210575295U (en) | 2019-10-25 | 2019-10-25 | Lightning protection porcelain insulator with bird damage prevention nut structure safety cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815917.1U CN210575295U (en) | 2019-10-25 | 2019-10-25 | Lightning protection porcelain insulator with bird damage prevention nut structure safety cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575295U true CN210575295U (en) | 2020-05-19 |
Family
ID=70659432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921815917.1U Expired - Fee Related CN210575295U (en) | 2019-10-25 | 2019-10-25 | Lightning protection porcelain insulator with bird damage prevention nut structure safety cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575295U (en) |
-
2019
- 2019-10-25 CN CN201921815917.1U patent/CN210575295U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20201025 |