CN212907252U - Lightning protection insulator - Google Patents
Lightning protection insulator Download PDFInfo
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- CN212907252U CN212907252U CN202021735511.5U CN202021735511U CN212907252U CN 212907252 U CN212907252 U CN 212907252U CN 202021735511 U CN202021735511 U CN 202021735511U CN 212907252 U CN212907252 U CN 212907252U
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Abstract
The utility model discloses a lightning protection insulator, wherein one end of a lighting arc angle is connected with a first connecting plate, a first special-shaped hole is arranged on the first connecting plate, one end of a lighting arc angle is connected with a second connecting plate, a second special-shaped hole is arranged on the second connecting plate, and the structures of the first special-shaped hole and the second special-shaped hole are different; one end of the core rod is connected with a first hardware fitting, and the other end of the core rod is connected with a second hardware fitting; the first hardware fitting is provided with a first connecting block, the first connecting block is provided with a first bump matched with the first special-shaped hole, and after the first special-shaped hole is matched with the first bump, the first connecting plate is connected with the first connecting block; and a second connecting block is arranged on the second hardware fitting, a second lug matched with the second special-shaped hole is arranged on the second connecting block, and the second connecting plate is connected with the second connecting block after the second special-shaped hole is matched with the second lug. The utility model discloses can avoid attracting arc angle and run-on angle not at a plane, attract arc angle and run-on angle and install upside down and attract the unfixed condition of arc angle and run-on angle relative position.
Description
Technical Field
The utility model belongs to the technical field of the lightning protection equipment, concretely relates to lightning protection insulator.
Background
With the continuous development of power systems, 10kV distribution lines are more and more, lightning accidents occur sometimes, and when lightning strikes occur, the lightning protection insulator plays an important role in protecting the power systems. The arc attracting angle of the existing lightning protection insulator is fixed with a hardware fitting through a pressing plate and two bolts, the arc striking angle is fixed in the same way, the arc attracting angle and the arc striking angle cannot be guaranteed to be positioned on the same plane during installation, and the arc attracting angle and the arc striking angle may rotate along the axis of the hardware fitting, so that the arc attracting angle and the arc striking angle cannot be positioned at corresponding positions; secondly, reverse installation may occur during installation, so that the discharge positions of the arcing horn and the arc striking horn are in opposite directions, and the lightning protection effect cannot be achieved; in addition, the positions of the arc attracting angle and the arc striking angle on the hardware fitting are not fixed during installation, the arc attracting angle and the arc striking angle can be installed at a plurality of positions along the axial direction of the hardware fitting, so that the distance between the arc attracting angle and the arc striking angle is not unique, the distances between the arc attracting angle and the arc striking angle installed by different people are different, and the lightning protection effect difference is large.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a lightning protection insulator when the on-the-spot installation, can avoid appearing attracting arc angle and arc ignition angle not at a plane, attracting arc angle and arc ignition angle and reverse the dress and attract the unfixed condition of arc angle and arc ignition angle relative position, lightning protection effect is better, and the cost is lower, and it is also convenient to install.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a lightning protection insulator comprises an arcing angle, an arc striking angle and a core rod, wherein one end of the arcing angle is connected with a first connecting plate, a first special-shaped hole is formed in the first connecting plate, one end of the arc striking angle is connected with a second connecting plate, a second special-shaped hole is formed in the second connecting plate, and the first special-shaped hole and the second special-shaped hole are different in structure; one end of the core rod is connected with a first hardware fitting, and the other end of the core rod is connected with a second hardware fitting; the first hardware fitting is provided with a first connecting block, the first connecting block is provided with a first bump matched with the first special-shaped hole, and after the first special-shaped hole is matched with the first bump, the first connecting plate is connected with the first connecting block; the second hardware fitting is provided with a second connecting block, the second connecting block is provided with a second lug matched with the second special-shaped hole, and the second connecting plate is connected with the second connecting block after the second special-shaped hole is matched with the second lug.
Furthermore, the first connecting plate and the first connecting block are provided with bolt holes, and bolts penetrate through the bolt holes to connect the first connecting plate and the first connecting block.
Furthermore, bolt holes are formed in the second connecting plate and the second connecting block, and bolts penetrate through the bolt holes to connect the second connecting plate and the second connecting block.
Furthermore, an insulating umbrella skirt is arranged on the core rod.
Further, the arcing angle and the arc striking angle are Z-shaped.
Furthermore, one end of the second hardware fitting, which is far away from the core rod, is connected with a pressing plate through a bolt, and a space for the cable to pass through is formed between the pressing plate and the second hardware fitting.
Furthermore, one end of the first hardware fitting, which is far away from the core rod, is connected with a connecting rod, and the connecting rod is used for fixing the lightning protection insulator on the electrical equipment.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model provides a lightning protection insulator, one end of the arcing angle is connected with a first connecting plate, a first special-shaped hole is arranged on the first connecting plate, a first connecting block is arranged on a first hardware fitting used for connecting the arcing angle, and a first lug matched with the first special-shaped hole is arranged on the first connecting block; one end at the run-on angle is connected with the second connecting plate, has seted up second dysmorphism hole on the second connecting plate, is provided with the second connecting block on the second gold utensil that is used for connecting the run-on angle, is provided with on the second connecting block with second dysmorphism hole complex second lug. Because the structure in first dysmorphism hole is inequality with the structure in second dysmorphism hole, when the on-the-spot installation, as long as ensure first dysmorphism hole and first lug cooperation back, be connected first connecting plate and first connecting block, likewise, second dysmorphism hole and second lug cooperation back, the second connecting plate is connected with the second connecting block. The cooperation design of dysmorphism hole and lug has realized the mistake proofing design when recruiting arc angle and run-on angle installation, and simple to operate is quick, can avoid appearing recruiting the arc angle and not being in a plane, recruiting arc angle and run-on angle anti-dress and recruiting the unfixed condition of arc angle and run-on angle relative position, and lightning protection effect is better, and the cost is lower, and it is also convenient to install.
Furthermore, bolt holes are formed in the first connecting plate and the first connecting block, the first connecting plate and the first connecting block are connected through bolts, and the mounting and dismounting are quick.
Furthermore, bolt holes are formed in the second connecting plate and the second connecting block, the second connecting plate and the second connecting block are connected through bolts, and the mounting and dismounting are quick.
Further, an insulating shed is arranged on the core rod and provides external insulation, so that the necessary creepage distance is ensured, and internal components are protected from being influenced by the environment.
Furthermore, the arcing angle and the arc striking angle are designed in a Z shape, when lightning strike occurs, short circuit discharge is formed at the inflection point of the arc striking angle and the arc striking angle in the Z shape, the edge position burns, energy is released, and the design can not only protect the insulator from being damaged, but also improve the lightning protection frequency. The discharging and burning positions of the design are far away from the umbrella skirt, and the umbrella skirt and the core rod of the composite insulator cannot be damaged by burning heat.
Furthermore, the pressing plate is connected to one end, far away from the core rod, of the second hardware fitting through the bolt, a space for the cable to penetrate is formed between the pressing plate and the second hardware fitting, when the cable fixing device is used, the cable penetrates through the space formed between the pressing plate and the second hardware fitting, and then the cable fixing device is fixed in position through the pressing plate, and therefore the field use is greatly facilitated.
Further, the one end of keeping away from the plug on the first gold utensil is connected with the connecting rod, and the connecting rod is used for fixing the lightning protection insulator on electrical equipment, when using, utilizes the fixed mounting of completion that the connecting rod can be convenient to insulator equipment.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the lightning protection insulator of the present invention;
fig. 2 is a schematic view of the connection structure of the lightning protection insulator core rod and the hardware fitting of the present invention;
FIG. 3 is an exploded view of the lightning protection insulator of the present invention;
fig. 4 is the overall structure schematic diagram of the lightning protection insulator of the present invention.
In the figure: 1-arcing horn; 2-arc striking angle; 3-core rod; 4-a first hardware fitting; 5-a second hardware fitting; 6-a first connecting plate; 7-a first profiled hole; 8-a second connecting plate; 9-a second shaped hole; 10-a first connection block; 11-a second connection block; 12-a first bump; 13-a second bump; 14-bolt holes; 15-bolt; 16-insulating umbrella skirt; 17-a platen; 18-connecting rod.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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.
As a specific embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a lightning protection insulator, including attracting arc angle 1, attracting arc angle 2, plug 3, first gold utensil 4, second gold utensil 5, first connecting plate 6, second connecting plate 8, first connecting block 10, second connecting block 11, insulating full skirt 16, clamp plate 17 and connecting rod 18, as shown in fig. 1 and fig. 3, attracting arc angle 1's one end is connected with first connecting plate 6, first special-shaped hole 7 has been seted up on first connecting plate 6, bolt hole 14 has still been seted up on first connecting plate 6, in this embodiment, attracting arc angle 1 and first connecting plate 6 adopt the casting process to make. One end of the arc striking angle 2 is connected with a second connecting plate 8, a second special-shaped hole 9 is formed in the second connecting plate 8, a bolt hole 14 is further formed in the second connecting plate 8, and in the embodiment, the arc striking angle 2 and the second connecting plate 8 are manufactured through a casting process.
The first irregular hole 7 and the second irregular hole 9 have different structures, and the irregular holes may be rhombic holes, square holes, saw-tooth-shaped holes, L-shaped holes, T-shaped holes, and the like, as shown in fig. 1, in this embodiment, the first irregular hole 7 is a square hole, and the second irregular hole 9 is an L-shaped hole, or a combination of other shapes may be used as long as the structures of the first irregular hole 7 and the second irregular hole 9 are different.
As shown in fig. 2, one end of the mandrel 3 is connected with a first hardware 4, and the other end is connected with a second hardware 5, in this embodiment, the first hardware 4 and the second hardware 5 are manufactured by a casting process, and the first hardware 4 and the second hardware 5 are formed by compression joint with the mandrel 3 by a compression joint machine. An insulating shed 16 is provided on the core rod 3, and in the present embodiment, a glass fiber epoxy core rod is used for the core rod 3, a silicon rubber shed is used for the insulating shed 16, and the silicon rubber shed is vulcanized at a high temperature in an injection machine.
Be provided with first connecting block 10 on the first gold utensil 4, first gold utensil 4 and the design of first connecting block 10 formula as an organic whole, be provided with on the first connecting block 10 with first dysmorphism hole 7 complex first lug 12, bolt hole 14 has still been seted up on the first connecting block 10, first dysmorphism hole 7 and first lug 12 cooperation back utilize bolt 15 to pass and be connected first connecting plate 6 and first connecting block 10 behind bolt hole 14, and then accomplish the fixed mounting of attracting arc angle 1 and gold utensil.
Be provided with second connecting block 11 on the second gold utensil 5, second gold utensil 5 with have the design of second connecting block 11 formula as an organic whole, be provided with on the second connecting block 11 with second dysmorphism hole 9 complex second lug 13, bolt hole 14 has still been seted up on the second connecting block 11, second dysmorphism hole 9 and second lug 13 cooperation back utilize bolt 15 to pass behind bolt hole 14 to be connected second connecting plate 8 and second connecting block 11, and then accomplish the fixed mounting of run-on angle 2 and gold utensil.
As shown in fig. 2, the first connecting block 10 and the second connecting block 11 are located in the same plane, and the arcing angle 1 and the arcing angle 2 are located in the same plane after being installed.
As shown in fig. 1, a connecting rod 18 is connected to one end of the first fitting 4 away from the core rod 3, and the connecting rod 18 is used for fixing the lightning protection insulator to the electrical equipment. In this embodiment, the connecting rod 18 is a screw rod, which facilitates the fixed installation of the insulator and the electric wire iron tower in a threaded connection manner. One end of the second hardware fitting 5, which is far away from the core rod 3, is connected with a pressing plate 17 through a bolt, a space for the cable to pass through is formed between the pressing plate 17 and the second hardware fitting 5, and when the wire pressing device is used, after the wire passes through the space, the bolt is screwed to enable the pressing plate 17 to tightly press and fix the wire.
In this embodiment, as shown in fig. 1, 3 and 4, the arcing horn 1 and the arcing horn 2 are designed in an approximate zigzag manner, so that short-circuit discharge is formed at the inflection point of the zigzag arcing horn and the arcing horn when lightning strike occurs, and the edge is burned to release energy. The discharging and burning positions of the design are far away from the umbrella skirt, and the umbrella skirt and the core rod of the composite insulator cannot be damaged by burning heat.
When lightning strike occurs, the arcing horn and the arc striking horn discharge at first to generate power frequency short circuit current, and the electric arc burns at the edges of the arcing horn and the arc striking horn, so that the insulator is protected from being damaged, and a lead cannot burn and break. The lightning protection insulator solves the problems of power distribution line disconnection, long-time power failure and the like caused by lightning stroke.
The utility model discloses a attract arc angle and run-on arc angle and gold utensil and be connected and adopt split type, the gold utensil production of being convenient for, silicon rubber vulcanization and packing transportation. The arc attracting angle and the arc striking angle are designed in an approximate Z shape, the short circuit discharge position and the combustion position are different in lightning stroke, the heat is far away from the composite insulating umbrella skirt, the umbrella skirt and the glass fiber rod cannot be damaged, the combustion position area is increased, multiple combustion can be performed, and the lightning protection times are improved. The fixed of attracting arc angle and gold utensil and the fixed of run-on arc angle and gold utensil all have the mistake proofing design, have the lug on the gold utensil and attract the arc angle, the special-shaped hole on the run-on arc angle is corresponding, and attract arc angle and run-on arc angle in the coplanar when guaranteeing the installation, and can not appear the anti-dress condition, avoid the installer to adorn anti-. The product adopts an integral high-temperature injection vulcanization process, and the high-performance silicon rubber material ensures that the insulator has better pollution resistance and cannot generate pollution flashover and rain flashover.
The arc attracting angle and the arc striking angle are sent to the field to be installed along with the product, the product is designed with an error-proof function, installation personnel can easily distinguish the installation direction, and the installation is not wrong at all. After installation, a silicon rubber protective cover is arranged on the product and the lead, so that rainwater is prevented from entering the lead and corroding the lead.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The lightning protection insulator is characterized by comprising an arc attracting angle (1), an arc striking angle (2) and a mandrel (3), wherein one end of the arc attracting angle (1) is connected with a first connecting plate (6), a first special-shaped hole (7) is formed in the first connecting plate (6), one end of the arc striking angle (2) is connected with a second connecting plate (8), a second special-shaped hole (9) is formed in the second connecting plate (8), and the first special-shaped hole (7) and the second special-shaped hole (9) are different in structure; one end of the core rod (3) is connected with a first hardware fitting (4), and the other end of the core rod is connected with a second hardware fitting (5); a first connecting block (10) is arranged on the first hardware fitting (4), a first bump (12) matched with the first special-shaped hole (7) is arranged on the first connecting block (10), and after the first special-shaped hole (7) is matched with the first bump (12), the first connecting plate (6) is connected with the first connecting block (10); be provided with second connecting block (11) on second gold utensil (5), be provided with on second connecting block (11) with second dysmorphism hole (9) complex second lug (13), second dysmorphism hole (9) with second lug (13) cooperation back, second connecting plate (8) with second connecting block (11) are connected.
2. The lightning protection insulator according to claim 1, wherein the first connecting plate (6) and the first connecting block (10) are provided with bolt holes (14), and a bolt (15) passes through the bolt holes (14) to connect the first connecting plate (6) and the first connecting block (10).
3. The lightning protection insulator according to claim 1, wherein the second connecting plate (8) and the second connecting block (11) are provided with bolt holes (14), and a bolt (15) passes through the bolt holes (14) to connect the second connecting plate (8) and the second connecting block (11).
4. The lightning protection insulator according to claim 1, wherein the core rod (3) is provided with an insulating shed (16).
5. A lightning protection insulator according to claim 1, characterised in that the arcing horn (1) and the run-on horn (2) are zigzag-shaped.
6. The lightning protection insulator according to claim 1, wherein a pressure plate (17) is connected to one end of the second fitting (5) far away from the core rod (3) through a bolt, and a space for a cable to pass through is formed between the pressure plate (17) and the second fitting (5).
7. The lightning protection insulator according to claim 1, wherein a connecting rod (18) is connected to an end of the first hardware (4) away from the core rod (3), and the connecting rod (18) is used for fixing the lightning protection insulator to an electrical device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735511.5U CN212907252U (en) | 2020-08-18 | 2020-08-18 | Lightning protection insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735511.5U CN212907252U (en) | 2020-08-18 | 2020-08-18 | Lightning protection insulator |
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| Publication Number | Publication Date |
|---|---|
| CN212907252U true CN212907252U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021735511.5U Active CN212907252U (en) | 2020-08-18 | 2020-08-18 | Lightning protection insulator |
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| CN (1) | CN212907252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007931A1 (en) * | 2022-07-06 | 2024-01-11 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
-
2020
- 2020-08-18 CN CN202021735511.5U patent/CN212907252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007931A1 (en) * | 2022-07-06 | 2024-01-11 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
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