CN216119728U - Improved double-tight multifunctional insulator lightning protection device for electroscopic grounding ring insulated line - Google Patents
Improved double-tight multifunctional insulator lightning protection device for electroscopic grounding ring insulated line Download PDFInfo
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- CN216119728U CN216119728U CN202122676707.2U CN202122676707U CN216119728U CN 216119728 U CN216119728 U CN 216119728U CN 202122676707 U CN202122676707 U CN 202122676707U CN 216119728 U CN216119728 U CN 216119728U
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Abstract
An improved double-tight multifunctional insulator lightning protection device for an electroscopic grounding ring insulated line is characterized in that a metal end is arranged at the upper end of an insulator main body, a wiring clamp is arranged at the top end of the metal end, and a bottom plate of the wiring clamp comprises a middle plate and extension plates arranged at two ends of the middle plate; a lightning rod bent downward is connected to the lower surface of an extension plate. A lightning rod connecting plate with the length direction being the same as the axial direction of the groove of the power line is arranged below the extension plate, and at least two fixing holes are formed in the lightning rod connecting plate; the top end of the lightning rod is provided with a flat lightning rod connecting end, the lightning rod connecting end is provided with a mounting hole corresponding to the fixing hole, and the lightning rod connecting end penetrates through the fixing hole and the mounting hole through bolts to be connected with each other. The utility model has the advantages that: the direction and the length of the lightning rod connecting plate are changed, and the root of the lightning rod is fixed on the lightning rod connecting plate through the bolt, so that the connecting strength of the lightning rod is greatly improved, and the root of the lightning rod is effectively prevented from being disconnected with the lightning rod connecting plate.
Description
Technical Field
The utility model relates to an improved double-tight multifunctional insulator lightning protection device for an electroscopic grounding ring insulated line, which is used for supporting and lightning protection of a power transmission line.
Background
The insulator is a commonly used supporting part of an electric power transmission line, and the main structure of the prior art 'an insulated power line double-fastening multifunctional lightning protection insulator with an electricity testing grounding ring' comprises an insulator main body with a rubber rainproof disc, wherein the upper end of the insulator main body is provided with a metal end, and the axis of the lower end of the insulator main body is provided with a metal screw rod and a mounting nut; the top end of the metal end is provided with a jointing clamp, the jointing clamp consists of a bottom plate, a top plate, a screw rod and a jointing clamp nut, the top plate is arranged on the bottom plate and is mutually fastened through the screw rod and the jointing clamp nut, and a wire clamping groove is arranged between the top plate and the bottom plate; the wire clamping groove of the bottom plate is provided with two ends with gradually expanding openings which are integrated with the bottom plate, an extending groove which is smoothly connected with the wire clamping groove on the bottom plate is arranged above the gradually expanding openings, a wire pressing block is arranged above the extending groove, and the wire pressing block is connected with two sides of the extending groove through a connecting piece; a stabilizing disc is fixed on the metal screw, and the mounting nut is mounted below the stabilizing disc. The bottom of the extension groove is provided with a lightning rod connecting plate protruding downwards, the outer side of the lightning rod connecting plate 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 rubber insulator main body is provided with a discharge head opposite to the discharge end of the lightning rod to form a lightning protection mechanism; and an electricity testing grounding ring is arranged in the middle of the lightning rod. It has the following disadvantages: the connection face between lightning rod and the lightning rod connecting plate is very little (only the cross-section of lightning rod), and joint strength is very poor, and test electricity ground loop and need bear great pulling force when using, breaks off between the root that causes the lightning rod and the lightning rod connecting plate very easily.
Disclosure of Invention
The utility model aims to provide an improved double-tight multifunctional insulator lightning protection device for an electroscopic grounding ring insulated line, which aims to solve the problems in the prior art.
The technical scheme of the utility model is as follows: an improved double-fastening multifunctional insulator lightning protection device for an electroscopic grounding ring insulated line comprises an insulator main body with a rainproof disc, wherein a metal end is arranged at the upper end of the insulator main body, and a metal screw rod and a mounting nut are arranged on the axis of the lower end of the insulator main body; the top end of the metal end is provided with a jointing clamp, the bottom plate of the jointing clamp comprises a middle plate and extension plates arranged at the two ends of the middle plate, the outer ends of the extension plates are provided with gradually expanding holes, and a wire groove is arranged on the bottom plate; a middle pressing plate and two end pressing plates are respectively fixed on two sides of the upper surfaces of the middle plate and the extension plate by bolts, and grooves corresponding to the wire grooves are arranged below the middle pressing plate and the two end pressing plates; a lightning rod bent downwards is connected to the lower surface of one extension plate, a discharge end facing the lower end of the insulator main body is arranged at the lower end of the lightning rod, and a power receiving head opposite to the discharge end is arranged at the lower part of the insulator main body; its characterized in that, extension board and lightning rod connection structure be: a lightning rod connecting plate with the length direction same as the axial direction of the wire groove is arranged below the extension plate, and at least two fixing holes are formed in the lightning rod connecting plate; the top end of the lightning rod is provided with a flat lightning rod connecting end, the lightning rod connecting end is provided with a mounting hole corresponding to the fixing hole, and the lightning rod connecting end penetrates through the fixing hole and the mounting hole through bolts to be connected with each other.
The utility model has the advantages that: the direction and the length of the lightning rod connecting plate are changed, and the flat lightning rod connecting end at the root of the lightning rod is fastened on the lightning rod connecting plate through the bolt, so that the connecting strength of the lightning rod is greatly improved, and the root of the lightning rod is effectively prevented from being disconnected from the lightning rod connecting plate.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of the overall construction of the side of the base plate of the binding clip of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a bottom view of FIG. 2;
fig. 5 is a schematic view of the overall structure of the lightning rod and the electricity testing grounding ring of the utility model;
FIG. 6 is a schematic perspective view of an embodiment of the intermediate platen (grooves with spikes) of the present invention;
FIG. 7 is a schematic perspective view of another embodiment of the intermediate platen of the present invention;
FIG. 8 is a schematic perspective view of one embodiment of a two-end platen of the present invention;
FIG. 9 is a schematic perspective view of another embodiment of a two-end platen of the present invention;
FIG. 10 is a schematic perspective view of the embodiment of FIG. 1 with the safety shield installed;
FIG. 11 is a schematic perspective view of a second embodiment of the present invention;
FIG. 12 is a schematic perspective view of a third embodiment of the present invention;
FIG. 13 is a schematic perspective view of a fourth embodiment of the present invention;
fig. 14 is a schematic perspective view of a fifth embodiment of the present invention.
Description of reference numerals: 1. insulator main part, 2, middle clamp plate, 21, recess, 22, spine, 3, both ends clamp plate, 31, rubber layer, 4, flaring, 5, bottom plate, 51, intermediate lamella, 52, extension board, 53, wire casing, 6, screw rod, 7, lightning rod, 8, electricity testing ground ring, 9, discharge end, 10, the end that receives electricity, 11, metal end, 12, lightning rod link, 121, the mounting hole, 13, lightning rod connecting plate, 14, safety guard, 141, throat, 142, lower boss, 143, butt joint limit, 15, the electricity receiving head support arm, 16, ground terminal, 17, metal screw rod.
Detailed Description
Referring to fig. 1-10, the first embodiment of the improved lightning protection device for the double-tight multifunctional insulator of the insulated line of the electroscopic grounding ring of the utility model comprises an insulator main body 1 with a rain-proof disc, a metal end 11 is arranged at the upper end of the insulator main body 1, and a metal screw 17 and a mounting nut are arranged on the axis of the lower end of the insulator main body 1; a jointing clamp is arranged at the top end of the metal end 11, a bottom plate 5 of the jointing clamp comprises a middle plate 51 and extension plates 52 arranged at two ends of the middle plate 51, a gradually expanding opening 4 is arranged at the outer end of the extension plate 52, and a wire groove 53 is arranged on the bottom plate 5; the middle pressing plate 2 and the two end pressing plates 3 are respectively fixed on two sides of the upper surfaces of the middle plate 51 and the extension plate 52 by bolts, and grooves corresponding to the wire grooves 53 are arranged below the middle pressing plate 2 and the two end pressing plates 3; a lightning rod 7 bent downwards is connected to the lower surface of one extension plate 52, a discharge end 9 facing the lower end of the insulator main body 1 is arranged at the lower end of the lightning rod 7, and a power receiving head 10 opposite to the discharge end 9 is arranged at the lower part of the insulator main body 1; an electricity testing grounding ring 8 is arranged on the outer side of the lower part of the lightning rod 7. The connecting structure of the extension plate 52 and the lightning rod 7 is as follows: a lightning rod connecting plate 13 with the length direction same as the axial direction of the groove of the power line is arranged below the extension plate 52, and at least two fixing holes 131 are arranged on the lightning rod connecting plate 13; a flat lightning rod connection end 12 is provided at the tip end of the lightning rod 7, and a mounting hole 121 corresponding to the fixing hole 131 is provided in the lightning rod connection end 12, and bolts are inserted through the fixing hole 131 and the mounting hole 121 to connect them to each other.
Grooves are also provided on the upper surfaces of the intermediate pressure plate 2 and the both-end pressure plates 3, and the grooves on the upper and lower surfaces of the same member are different in radius for holding power lines of different diameters (see fig. 6 to 9).
A spike 22 (see fig. 6) may also be provided in the recess of the intermediate pressure plate 2.
A rubber layer 31 (see fig. 8 and 9) may also be provided in the groove of the end press plate 3.
Referring to fig. 10, the metal terminal 11 and the parts above are all installed in a safety cover 14, a reducing opening 141 for passing through the power line is arranged at the two opposite ends of the safety cover 14, the safety cover 14 is divided into two half parts which are buckled with each other from the part below the axis of the reducing opening 141, the lower sides of the two half parts are provided with butt joint edges 143 which correspond to each other, and the butt joint edges 143 are butted with each other through a buckle; a lower convex part 142 is arranged at the joint of the safety cover 14 corresponding to the lightning rod connecting end 12 and the lightning rod connecting plate 13; the safety shield 14 is made of plastic or rubber.
The receiving head 10 of the present invention can be directly connected to the lower metal end 11 by a connecting rod in a radial direction (as shown in fig. 1, 10 and 13), or an L-shaped or U-shaped receiving head supporting arm 15 can be connected to the metal screw 17, and one end of the receiving head supporting arm 15 bent upwards is connected to the receiving head 10; a ground terminal 16 (shown in fig. 11, 12, and 14) is connected to the other end of the U-shaped receiving-head support arm 15.
The insulator of the utility model is a conventional porcelain insulator or a rubber insulator, and the rain-proof disc of the porcelain insulator is a plurality of discs (as shown in figures 1 and 10) or at least one umbrella-shaped disc (as shown in figures 11 and 12); the rain-proof plate of the rubber insulator is a plurality of discs (as shown in figures 13 and 14).
The embodiment shown in fig. 11 and 13 has no electroscopic earthing ring 8 on the lightning rod 7; the embodiment shown in fig. 12 and 14 has an electroscopic earthing ring 8 outside the lightning rod 7.
According to the utility model, the power line is clamped (doubly tightened) through the middle pressing plate 2, the two end pressing plates 3 and the bottom plate 5, so that the power line is firmer; and has the functions of power line support, lightning protection, electricity testing grounding and the like.
Claims (8)
1. An improved double-fastening multifunctional insulator lightning protection device for an electroscopic grounding ring insulated line comprises an insulator main body (1) with a rainproof disc, wherein a metal end (11) is arranged at the upper end of the insulator main body (1), and a metal screw rod (17) and a mounting nut are arranged on the axis of the lower end of the insulator main body (1); the top end of the metal end (11) is provided with a jointing clamp, a bottom plate (5) of the jointing clamp comprises a middle plate (51) and extension plates (52) arranged at two ends of the middle plate (51), the outer end of each extension plate (52) is provided with a gradually expanding opening (4), and an arc-shaped wire casing (53) is arranged on the bottom plate (5); the middle pressing plate (2) and the two end pressing plates (3) are respectively fixed on two sides of the upper surfaces of the middle plate (51) and the extension plate (52) by bolts, and grooves corresponding to the wire grooves (53) are arranged below the middle pressing plate (2) and the two end pressing plates (3); a lightning rod (7) bent downwards is connected to the lower surface of one extension plate (52), a discharge end (9) facing the lower end of the insulator main body (1) is arranged at the lower end of the lightning rod (7), and a power receiving head (10) opposite to the discharge end (9) is arranged at the lower part of the insulator main body (1); the lightning protection device is characterized in that the connecting structure of the extension plate (52) and the lightning rod (7) is as follows: a lightning rod connecting plate (13) with the length direction same as the axial direction of the wire groove (53) is arranged below the extension plate (52), and at least two fixing holes (131) are arranged on the lightning rod connecting plate (13); a flat lightning rod connecting end (12) is arranged at the top end of the lightning rod (7), a mounting hole (121) corresponding to the fixing hole (131) is formed in the lightning rod connecting end (12), and the lightning rod connecting end and the mounting hole (121) are connected with each other through the fixing hole (131) and the mounting hole (121) by bolts.
2. The improved lightning protection device for double-tight multifunctional insulator of electroscopic earth ring insulated line according to claim 1, characterized in that there are also grooves on the middle pressing plate (2) and the two end pressing plates (3), the radius of the grooves on the same part is different from that of the grooves on the lower part.
3. The improved lightning protection device for double-tight multifunctional insulators of electroscopic grounding ring insulated lines as claimed in claim 2, characterized in that there are spikes (22) in the grooves of said intermediate pressing plate (2).
4. The improved lightning protection device with double-tight multifunctional insulator for electroscopic earth ring insulated lines as claimed in claim 2, characterized in that a rubber layer (31) is arranged in the groove of said two end pressing plates (3).
5. The improved lightning protection device with double-tight multifunctional insulator for the insulated line of the electroscopic grounding ring according to the claim 1, characterized in that, the outer side of the lower part of the lightning rod (7) is provided with the electroscopic grounding ring (8).
6. The improved double-fastening multifunctional insulator lightning protection device for the insulated line of the electroscopic grounding ring as claimed in claim 1, characterized in that the metal end (11) and the parts above the metal end are all installed in a safety cover (14), a reducing opening (141) for passing through the power line is arranged at the two opposite ends of the safety cover (14), the safety cover (14) is divided into two half parts which are buckled with each other from the part below the axis of the reducing opening (141), butt joint edges (143) which correspond to each other are arranged at the lower sides of the two half parts, and the butt joint edges (143) are butted with each other through the buckling; a lower convex part (142) is arranged at the connecting part of the safety cover (14) corresponding to the lightning rod connecting end (12) and the lightning rod connecting plate (13); the safety cover (14) is made of plastic or rubber.
7. The improved lightning protection device for double-tight multifunctional insulator of electroscopic earth ring insulated line according to claim 1, characterized in that an L-shaped or U-shaped supporting arm (15) of the receiving head is connected to said metal screw (17), and one end of the supporting arm (15) of the receiving head bent upwards is connected to said receiving head (10); the other end of the U-shaped receiving head support arm (15) is connected to a ground terminal (16).
8. The improved double-tight multifunctional insulator lightning protection device for the electroscopic grounding ring insulated line according to claim 1, wherein the insulator is a porcelain insulator or a rubber insulator, and the rain-proof disc of the porcelain insulator is a plurality of discs or at least one umbrella-shaped disc; the rain-proof plate of the rubber insulator is a plurality of discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122676707.2U CN216119728U (en) | 2021-11-04 | 2021-11-04 | Improved double-tight multifunctional insulator lightning protection device for electroscopic grounding ring insulated line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122676707.2U CN216119728U (en) | 2021-11-04 | 2021-11-04 | Improved double-tight multifunctional insulator lightning protection device for electroscopic grounding ring insulated line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119728U true CN216119728U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122676707.2U Active CN216119728U (en) | 2021-11-04 | 2021-11-04 | Improved double-tight multifunctional insulator lightning protection device for electroscopic grounding ring insulated line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119728U (en) |
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2021
- 2021-11-04 CN CN202122676707.2U patent/CN216119728U/en active Active
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