CN112216448A - Insulating power line double-fastening multifunctional lightning protection porcelain insulator with electroscopic grounding ring - Google Patents
Insulating power line double-fastening multifunctional lightning protection porcelain insulator with electroscopic grounding ring Download PDFInfo
- Publication number
- CN112216448A CN112216448A CN202011128274.0A CN202011128274A CN112216448A CN 112216448 A CN112216448 A CN 112216448A CN 202011128274 A CN202011128274 A CN 202011128274A CN 112216448 A CN112216448 A CN 112216448A
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- CN
- China
- Prior art keywords
- power line
- porcelain insulator
- grounding ring
- lightning rod
- insulator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/04—Arrangements or devices for relieving mechanical tension
Abstract
A double-tight multifunctional lightning protection porcelain insulator with an electricity testing grounding ring for an insulated power line comprises a porcelain insulator main body with a rain-proof disc, wherein a metal end is arranged at the upper end of the porcelain insulator main body, and a metal screw rod and a mounting nut are arranged on the axis of the lower end of the porcelain insulator main body; the top end of the metal end is provided with a jointing clamp, and the jointing clamp consists of a bottom plate, a top plate, a screw rod and a jointing clamp nut. And two ends of the wire clamping groove of the bottom plate are provided with gradually expanding openings integrated with the bottom plate. The invention has the advantages that: the extension groove and the flaring opening are additionally arranged at the two ends of the wire clamping groove of the wiring clamp base plate, and because the flaring opening is arc-shaped to the bending angle of the power line, when the power line swings, the compression and stretching effects on the power line are greatly reduced, so that the wind power is greatly reduced to the damage effect of the power line, and the operation safety of a power network is greatly improved.
Description
Technical Field
The invention relates to an insulated power line double-tight multifunctional lightning protection porcelain insulator with an electricity testing grounding ring, which is used for supporting a power transmission line.
Background
The insulator is a commonly used supporting component of an electric power transmission line, the main structure of the prior art comprises a porcelain insulator or a rubber insulator with a rainproof disc, a metal end is arranged at the upper end or (and) the lower end of an insulator main body, a metal screw rod and a mounting nut are arranged on the axis of the lower end, and a wiring clamp used for fixing a power line is arranged at the top end of the metal end at the top. The binding clip generally comprises a bottom plate, a top plate, screw rods and nuts, wherein at least two screw rods are arranged on the bottom plate, and a wire clamping groove for clamping a power line is arranged between the top plate and the bottom plate. During installation, the power line is placed in the wire clamping groove described by the bottom plate, the top plate is arranged on the bottom plate, the screw rods are inserted into the two through holes of the top plate, and the top ends of the screw rods are fastened by nuts. Because the power line swings like a swing under the action of wind power, the adjacent part of the power line and the jointing clamp can be repeatedly acted by sharp bends at two ends of a wire clamping groove of the jointing clamp, so that the periphery (mainly two sides) of the power line at the position is subjected to frequent compression and stretching, the power line is easy to break after a long time, and the power failure accident caused by the frequent compression and stretching happens occasionally.
Disclosure of Invention
The invention aims to provide an insulated power line double-fastening multifunctional lightning protection porcelain insulator with an electroscopic grounding ring, and aims to solve the problems in the prior art.
The technical scheme of the invention is as follows: a double-tight multifunctional lightning protection porcelain insulator with an electricity testing grounding ring for an insulated power line comprises a porcelain insulator main body with a rain-proof disc, wherein a metal end is arranged at the upper end of the porcelain insulator main body, and a metal screw rod and a mounting nut are arranged on the axis of the lower end of the porcelain insulator main body; the wiring clamp is characterized in that two ends of the wiring clamp groove of the bottom plate are provided with gradually-expanding openings integrated with the bottom plate, an extending groove smoothly connected with the wiring clamp groove on the bottom plate is arranged on the gradually-expanding openings, a wire pressing block is arranged on the extending groove, and the wire pressing block is connected with two sides of the extending groove through connecting pieces.
The invention has the advantages that: the extension groove and the flaring opening are additionally arranged at the two ends of the wire clamping groove of the wiring clamp base plate, and because the flaring opening is arc-shaped to the bending angle of the power line, when the power line swings, the compression and stretching effects on the power line are greatly reduced, so that the wind power is greatly reduced to the damage effect of the power line, and the operation safety of a power network is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment (multiple disc type rain-proof disc porcelain insulator) of the present invention;
FIG. 2 is a schematic side view of FIG. 1;
FIG. 3 is a schematic perspective view of the embodiment of FIG. 1 with the safety shield installed;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a schematic perspective view of a second embodiment of the present invention (with an electroscopic grounding ring added on the first embodiment);
FIG. 6 is a schematic perspective view of the embodiment of FIG. 5 with the safety shield installed;
fig. 7 is a schematic perspective view of a third embodiment of the present invention (with a lightning protection mechanism added to the first embodiment);
FIG. 8 is a schematic perspective view of the embodiment of FIG. 7 with the safety shield installed;
fig. 9 is a schematic perspective view of a fourth embodiment of the present invention (with the addition of an electroscopic grounding ring and a lightning protection mechanism on the basis of the first embodiment);
FIG. 10 is a schematic perspective view of the embodiment of FIG. 9 with the safety shield installed;
fig. 11 is a schematic structural view of a fifth embodiment of the present invention (an electroscopic grounding ring is arranged on the lightning rod of the embodiment of fig. 7);
fig. 12 is a schematic view showing a structure in which a lightning rod is directly connected to a metal terminal of a top of an insulator according to the present invention;
fig. 13 is a schematic structural view of the lightning rod and the metal end of the top of the insulator being connected to each other by the connecting plate of the lightning rod according to the present invention;
fig. 14 is a schematic perspective view of a sixth embodiment (umbrella-shaped rain-proof disc insulator) of the present invention;
fig. 15 is a schematic perspective view of a seventh embodiment of the present invention (with an electroscopic grounding ring added to the embodiment of fig. 14);
FIG. 16 is a schematic perspective view of an eighth embodiment of the present invention (with the addition of a lightning protection mechanism to the embodiment of FIG. 15);
fig. 17 is a schematic perspective view of a ninth embodiment of the present invention (with an electroscopic grounding ring and a lightning protection mechanism added to the embodiment of fig. 14);
FIG. 18 is a schematic perspective view of a tenth embodiment of the present invention (with the addition of a stabilizing disk in addition to the embodiment of FIG. 14);
fig. 19 is a schematic perspective view of a tenth embodiment of the present invention (adding a stabilizing disc to the embodiment of fig. 16).
Description of reference numerals: 1. porcelain insulator main part, 2, binding clip, 21, bottom plate, 22, roof, 23, screw rod, 24, binding clip nut, 3, extension groove, 4, flaring, 5, fixed limit, 6, screw, 7, line ball piece, 8, fastening nut, 9, safety guard, 91, throat, 93, butt joint limit, 94, hasp, 95, lower convex portion, 97, rain-blocking edge, 10, electricity testing ground ring, 11, metal end, 42, metal screw rod, 13, lightning rod, 14, discharge head, 15, discharge head support arm, 16, ground terminal, 17, lightning rod connecting plate, 18, connecting arm, 19, herringbone spire, 20, stable disc.
Detailed Description
Referring to fig. 1-4, the first embodiment of the double-fastening multifunctional lightning protection porcelain insulator for the insulated power line with the electroscopic grounding ring comprises a porcelain insulator main body 1 with a rain-proof disc, wherein a metal end 11 is arranged at the upper end of the porcelain insulator main body 1, and a metal screw 12 and a mounting nut matched with the metal screw are arranged on the axis of the lower end of the porcelain insulator main body 1. The top end of the metal end 11 is provided with a binding clip 2, the binding clip 2 is composed of a bottom plate 21, a top plate 22, a screw 23 and a binding clip nut 24, the top plate 22 is arranged on the bottom plate 21 and is mutually fastened through the screw 23 and the binding clip nut 24, and a wire clamping groove is arranged between the top plate 22 and the bottom plate 21. Two ends of the wire clamping groove of the bottom plate 21 are provided with gradually expanding openings 4 which are integrated with the bottom plate 21, an extending groove 3 which is smoothly connected with the wire clamping groove on the bottom plate 21 is arranged on the gradually expanding openings 4, a wire pressing block 7 is arranged on the extending groove 3, and the wire pressing block 7 and two sides of the extending groove 3 are connected with each other through connecting pieces. The outer end of the flaring 4 is shaped the same as or similar to half a horn.
An integrated extension groove 3 is arranged between the two ends of the wire clamping groove of the bottom plate 21 and the gradually expanding opening 4, the shape of the extension groove 3 is the same as that of the wire clamping groove on the bottom plate 21, and two sides of the extension groove 3 are provided with fixed edges 5; a press pad 7 is provided on the upper surface of the extension groove 3, and the press pad 7 and the extension groove 3 are connected to each other by a connecting member. By the fastening of the extension groove 3 and the wire pressing block 7, the power line is more firm.
The connecting piece comprises at least one pair of screws 6 and fastening nuts 8 matched with the screws, wherein the screws of the screws 6 face upwards (namely, the nuts face downwards), and the fastening nuts 8 are installed after penetrating through the fixing edges 5 arranged at the two sides of the extension groove 3 and the through holes on the line pressing block 7 (the fastening nuts 8 are arranged on the fastening nuts for convenient installation). The screws 6 of this embodiment are provided in two pairs. The screw rod of the screw 6 is upward for convenient installation. The screw 6 may also be fixedly connected (e.g., welded) to the fixing edge 5.
The metal end 11, the jointing clamp 2, the extension groove 3, the gradually expanding opening 4 and the connecting piece can be arranged in a safety cover 9, two opposite ends of the safety cover 9 are provided with reducing openings 91 used for passing through a power line, the part of the safety cover 9 below the axis of the reducing openings 91 is divided into two half parts which are mutually buckled, the lower sides of the two half parts are provided with mutually corresponding butt joint edges 93, and the butt joint edges 93 are mutually butted through hasps 94; the shape of the safety cover 9 is designed according to the structural outline of the upper part of the upper metal end 11, the bottom end of the middle part is provided with a lower convex part 95 for wrapping the metal end 11, the two sides of the lower convex part 95 are also provided with butt joint edges 93, and the lower convex part are connected with each other through a buckle 94. The safety cover 9 is made of plastic or rubber. For the embodiment provided with the electroscopic earth ring 10 (see fig. 5) and the lightning protection mechanism (i.e. the lightning rod 13, the discharge head 14, the discharge head support arm 15 and the earth terminal 16, see fig. 7), the safety shield 9 is left with a corresponding exit (see fig. 6, 8 and 10), and a rain-stopping edge 97 (see fig. 6) is provided above the exit of the connecting arm 18 of the electroscopic earth ring 10. The safety shield 9 is prior art.
Referring to fig. 5 and 6, this embodiment is connected to an electroscopic ground ring 10 on the top plate 22 side of the clip 2 of the previous embodiment by means of a connecting arm 18. A corresponding safety shield 9 is also provided. .
Referring to fig. 7 and 8, the embodiment is characterized in that a lightning rod 13 bent downward is connected to one side of a porcelain insulator main body 1 of the first embodiment, a discharge end facing the lower end of the insulator is provided at the lower end of the lightning rod 13, and a discharge head 14 opposite to the discharge end of the lightning rod is provided at the lower part of the porcelain insulator main body 1. A corresponding safety shield 9 is also provided. The upper end of the lightning rod 13 is directly connected to the metal end 11 side of the upper end (see fig. 12), and may be connected to the outside of a lightning rod connecting plate 17 provided at the bottom of the extension tank 3 (see fig. 13).
Referring to fig. 9 and 10, in this embodiment, an electricity testing grounding ring 10 is added on the basis of the embodiment shown in fig. 7 and 8, and the side connected with the electricity testing grounding ring 10 is staggered by 90 degrees from the side connected with the lightning rod 13.
In the embodiments of fig. 7-13, 16, 17 and 19, a U-shaped (or L-shaped) discharge head support arm 15 is connected to the metal screw 12, and one end of the discharge head support arm 15 bent upwards is connected to the discharge head 14; the other end of the U-shaped discharge head support arm 15 is connected to a ground terminal 16. A herringbone tip 19 (see figures 16 and 17) can also be arranged on the U-shaped discharge head support arm 15 to prevent the bird from standing.
Referring to fig. 11, the lightning rod 13 and the electricity testing grounding ring 10 of the present invention can also be an integral structure, that is, the electricity testing grounding ring 10 is arranged in the middle of the lightning rod 13.
In the embodiment of the porcelain insulator provided with the lightning protection mechanism, the top metal end 11 and the root of the lightning rod 13 can be directly connected (as shown in fig. 12) or connected with each other through the lightning rod connecting plate 17 made of aluminum (as shown in fig. 13, the metal end 11 in the structure can be made of iron materials to increase the connecting strength with the porcelain insulator main body 1, and the lightning rod connecting plate 17 made of aluminum and the lightning rod 13 can reduce the resistivity and improve the lightning protection effect).
The porcelain insulator body 1 according to the present invention includes various conventional porcelain insulators (porcelain insulators with a plurality of disc-type rain-proof discs as shown in fig. 1 to 13, and porcelain insulators with umbrella-type rain-proof discs as shown in fig. 14 to 19).
Referring to fig. 18 and 19, a stabilizing disc 20 can be fixed on the metal screw 12 of the porcelain insulator body 1 with the umbrella-shaped rain-proof disc shown in fig. 14-19, and the mounting nut is mounted under the stabilizing disc 20. When the stabilizing disc 20 is used, the contact area between the stabilizing disc and a fixed object (a telegraph pole cross arm) is increased, the connection is firmer, and the insulator is prevented from being inclined by the tension of a power line.
The safety shield 9 may be mounted in each of the embodiments shown in fig. 11-19.
Claims (9)
1. An insulating power line double-fastening multifunctional lightning protection porcelain insulator with an electricity testing grounding ring comprises a porcelain insulator main body (1) with a rain-proof disc, wherein a metal end (11) is arranged at the upper end of the porcelain insulator main body (1), and a metal screw rod (12) and a mounting nut are arranged on the axis of the lower end of the porcelain insulator main body (1); the wire clip is characterized in that two ends of the wire clipping groove of the bottom plate (21) are provided with gradually-flared holes (4) which are integrated with the bottom plate (21), extension grooves (3) which are smoothly connected with the wire clipping groove on the bottom plate (21) are arranged on the gradually-flared holes (4), wire pressing blocks (7) are arranged on the extension grooves (3), and the wire pressing blocks (7) are connected with two sides of the extension grooves (3) through connecting pieces.
2. The insulator of the double-fastening multifunctional lightning protection porcelain insulator for the insulated power line with the electroscopic grounding ring as claimed in claim 1, wherein the connecting piece is composed of at least one pair of screws (6) and fastening nuts (8) matched with the screws, the screw rods of the screws (6) are upward, and the fastening nuts (8) are installed after penetrating through the fixing edges (5) arranged at two sides of the extension groove (3) and the through holes on the line pressing block (7).
3. The insulator is characterized in that the metal end (11), the jointing clamp (2), the extension groove (3), the gradually expanding opening (4) and the connecting piece are all installed in a safety cover (9), reducing openings (91) for passing through the power line are arranged at two opposite ends of the safety cover (9), the part of the safety cover (9) below the axis of the reducing openings (91) is divided into two half parts which are buckled with each other, butt joint edges (93) corresponding to each other are arranged at the lower edges of the two half parts, and the butt joint edges (93) are butted with each other through the buckles (94); a lower convex part (95) used for wrapping the metal end (11) is arranged in the middle of the bottom end of the safety cover (9), and butt joint edges (93) are also arranged on two sides of the lower convex part (95) and are connected with each other through a hasp (94); the safety cover (9) is made of plastic or rubber.
4. The double-fastening multifunctional lightning protection porcelain insulator for insulated power lines with an electroscopic grounding ring as claimed in claim 1, wherein one side of the top plate (22) of the jointing clamp (2) is connected with an electroscopic grounding ring (10) through a connecting arm (18).
5. The insulator of the double-tight multifunctional lightning protection porcelain insulator for the insulated power line with the electricity testing grounding ring is characterized in that a lightning rod connecting plate (17) which is integrally connected is arranged at the bottom of the extension groove (3), a lightning rod (13) which is bent downwards is connected to the outer side of the lightning rod connecting plate (17), a discharge end which faces the lower end of the insulator is arranged at the lower end of the lightning rod (13), and a discharge head (14) which is opposite to the discharge end of the lightning rod is arranged at the lower part of the insulator main body (1); the positions of the lightning rod (13) and the electricity testing grounding ring (10) are staggered by 90 degrees; or the top end of the lightning rod (13) is connected with one side of the metal end (11).
6. The insulator of the double-tight multifunctional lightning protection porcelain insulator for the insulated power line with the electricity testing grounding ring is characterized in that a lightning rod connecting plate (17) which is integrally connected is arranged at the bottom of the extension groove (3), a lightning rod (13) which is bent downwards is connected to the outer side of the lightning rod connecting plate (17), a discharge end which faces the lower end of the insulator is arranged at the lower end of the lightning rod (13), and a discharge head (14) which is opposite to the discharge end of the lightning rod is arranged at the lower part of the insulator main body (1); or the top end of the lightning rod (13) is connected with one side of the metal end (11).
7. The double-fastening multifunctional lightning protection porcelain insulator for the insulated power line with the electroscopic grounding ring as claimed in claim 5 or 6, wherein an L-shaped or U-shaped discharge head supporting arm (15) is connected to the metal screw (12), and one end of the discharge head supporting arm (15) bent upwards is connected with the discharge head (14); the other end of the U-shaped discharge head support arm (15) is connected to a ground terminal (16).
8. The double-tight multifunctional lightning protection porcelain insulator for the insulated power line with the electricity testing grounding ring as claimed in claim 6, wherein the electricity testing grounding ring (10) is arranged in the middle of the lightning rod (13).
9. The double-fastening multifunctional lightning protection porcelain insulator for the insulated power line with the electroscopic grounding ring as claimed in claim 1, wherein the porcelain insulator main body (1) is provided with an umbrella-shaped rain-proof disc, a stabilizing disc (20) is fixed on the metal screw rod (12), and the mounting nut is installed below the stabilizing disc (20).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020105207827 | 2020-06-09 | ||
| CN202010520782.7A CN111554459A (en) | 2020-06-09 | 2020-06-09 | Insulating power line double-tight lightning protection insulator with electroscopic grounding ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112216448A true CN112216448A (en) | 2021-01-12 |
Family
ID=72001307
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010520782.7A Pending CN111554459A (en) | 2020-06-09 | 2020-06-09 | Insulating power line double-tight lightning protection insulator with electroscopic grounding ring |
| CN202011128274.0A Withdrawn CN112216448A (en) | 2020-06-09 | 2020-10-21 | Insulating power line double-fastening multifunctional lightning protection porcelain insulator with electroscopic grounding ring |
| CN202011128273.6A Withdrawn CN112201416A (en) | 2020-06-09 | 2020-10-21 | Insulating power line double-fastening multifunctional lightning protection insulator with electroscopic grounding ring |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010520782.7A Pending CN111554459A (en) | 2020-06-09 | 2020-06-09 | Insulating power line double-tight lightning protection insulator with electroscopic grounding ring |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011128273.6A Withdrawn CN112201416A (en) | 2020-06-09 | 2020-10-21 | Insulating power line double-fastening multifunctional lightning protection insulator with electroscopic grounding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN111554459A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115549008A (en) * | 2022-11-11 | 2022-12-30 | 国网江苏省电力有限公司南通供电分公司 | Multifunctional porcelain insulator wire fixing device for insulated conducting wire |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112510623A (en) * | 2020-10-28 | 2021-03-16 | 国网浙江省电力有限公司舟山供电公司 | Wear-resistant and corrosion-resistant damping wire clamp |
-
2020
- 2020-06-09 CN CN202010520782.7A patent/CN111554459A/en active Pending
- 2020-10-21 CN CN202011128274.0A patent/CN112216448A/en not_active Withdrawn
- 2020-10-21 CN CN202011128273.6A patent/CN112201416A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115549008A (en) * | 2022-11-11 | 2022-12-30 | 国网江苏省电力有限公司南通供电分公司 | Multifunctional porcelain insulator wire fixing device for insulated conducting wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112201416A (en) | 2021-01-08 |
| CN111554459A (en) | 2020-08-18 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210112 |
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| WW01 | Invention patent application withdrawn after publication |