CN115762927A - A ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator - Google Patents
A ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator Download PDFInfo
- Publication number
- CN115762927A CN115762927A CN202211562128.8A CN202211562128A CN115762927A CN 115762927 A CN115762927 A CN 115762927A CN 202211562128 A CN202211562128 A CN 202211562128A CN 115762927 A CN115762927 A CN 115762927A
- Authority
- CN
- China
- Prior art keywords
- discharge ring
- cover
- adjustable limiting
- base
- ground potential
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Insulators (AREA)
Abstract
The invention discloses a ground potential mounting hard insulating protective cover for a lightning protection strain insulator, which comprises a cross arm base, a discharge ring cover, two adjustable limiting plates and two live mounting lugs, wherein the cross arm base comprises a base body, a lug connection block, a vertical insertion baffle connection block, a discharge ring cover connection block, two adjustable limiting plate connection blocks and two magnet adsorption blocks, and the base body consists of a base top plate and two base front side plates; the two adjustable limiting plates are slidably arranged on the two adjustable limiting plate connecting blocks in a one-to-one correspondence manner; the discharge ring cover comprises a discharge ball shielding cover, a side-mounted lug connection column, a discharge ring cover connection port and a discharge ring shielding cover. The ground potential installation hard insulating protective cover for the lightning protection tension insulator can shield a metal grounding part (iron cross arm) at the installation position of the lightning protection tension insulator in line equipment and a discharge ring/discharge ball connected with the metal grounding part, so that the power supply reliability of a distribution network is improved.
Description
Technical Field
The invention relates to a ground potential installation hard insulating protective cover for a lightning protection tension insulator.
Background
With the continuous promotion of distribution network insulation construction, the main reason for causing the tripping fault of the distribution network overhead line is the external damage factor, and bird nesting and small animal climbing in the external damage factor account for a large proportion.
The main problems at present are as follows: 1. the metal bare dew point between the live part of the high-voltage fuse and the iron cross arm, the bird nest is easy to cause short-circuit fault once nested, and the fuse is difficult to avoid even if the fuse basically adopts the insulating cross arm. 2. The insulating cover is also mostly provided with a plurality of soft insulating covers made of silicon rubber (such as a transverse lightning arrester), the distance between the opening and the metal electrified part is short, and once a bird nest is nested, the metal electrified part at the opening of the insulating cover can easily form a power frequency flashover channel between the bird nest and the iron cross arm. 3. The rodent, the snake and other animals climb the line equipment to cause that a short circuit channel is formed between the metal charged part and the iron cross arm through the rodent body, particularly at the position of a discharge ring or a discharge ball of the lightning protection tension insulator.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a ground potential installation hard insulating protective cover for a lightning protection tension insulator, which can shield a metal grounding part (iron cross arm) at the installation position of the lightning protection tension insulator in line equipment and a discharge ring/discharge ball connected with the metal grounding part, thereby improving the power supply reliability of a distribution network.
The technical scheme for realizing the purpose is as follows: the utility model provides a ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator, includes cross arm base, discharge ring cover, two adjustable limiting plates and two electrified hangers of installing, wherein:
the cross arm base comprises a base body, a lug connection block, an upright insertion baffle connection block, a discharge ring cover connection block, two adjustable limiting plate connection blocks and two magnet adsorption blocks, wherein the base body comprises a base top plate and two base front side plates, the top ends of the two base front side plates are correspondingly connected with the left side and the right side of the front end of the base top plate one by one, the lug connection block and the two magnet adsorption blocks are respectively arranged on the upper surface of the base top plate, and the two magnet adsorption blocks are respectively arranged on the left side and the right side of the lug connection block; the two adjustable limiting plate connecting blocks are vertically arranged on the two magnet adsorption blocks in a one-to-one correspondence manner; the vertical insertion baffle plate connecting block is arranged at the front end of the top plate of the base and is positioned between the two front side plates of the base; the discharge ring cover joint block is arranged at the front end of the vertical insertion baffle joint block;
the two adjustable limiting plates are slidably arranged on the two adjustable limiting plate connecting blocks in a one-to-one correspondence manner;
the discharge ring cover comprises a discharge ball shielding cover, a side-mounted lug connection column, a discharge ring cover connection port and a discharge ring shielding cover; the discharge ball shielding cover and the side mounting lug connection column are arranged at the top end of the discharge ring shielding cover in tandem, and the discharge ring shielding cover connection port is arranged at the rear end of the discharge ring shielding cover; the discharge ring cover joint is matched with the discharge ring cover joint block, the discharge ring cover joint block is inserted in the discharge ring cover joint, and the discharge ring cover joint block and the discharge ring cover joint are connected through a self-tapping screw;
among the two electrified installation hangers, one electrified installation hanger is arranged on the hanger connection block of the cross arm base, and the other electrified installation hanger is arranged on the side installation hanger connection column of the discharge ring cover.
The ground potential installation hard insulating protective cover for the lightning protection tension insulator further comprises an upright inserting baffle, wherein the upright inserting baffle comprises a baffle body, and a plurality of ventilation holes which are communicated from front to back are formed in the baffle body; the bottom end of the baffle body is provided with a vertical inserting connection port matched with the vertical inserting baffle connection block; the vertical inserting baffle plate connecting block is inserted in the vertical inserting connecting port, and the vertical inserting baffle plate connecting block and the vertical inserting baffle plate connecting port are connected through self-tapping screws.
The ground potential installation hard insulating protective cover for the lightning protection tension insulator is characterized in that all parts of the ground potential installation hard insulating protective cover are made of hard insulating materials respectively.
The ground potential installation hard insulating protective cover for the lightning protection strain insulator is characterized in that the vertical insertion baffle connection block and the discharge ring cover connection block are in inverted U shapes respectively.
The ground potential installation hard insulating protective cover for the lightning protection strain insulator is characterized in that a lug connection block of the cross arm base is perpendicular to a side installation lug connection column of the discharge ring cover.
The utility model provides an foretell a ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator, wherein, every adjustable limiting plate is the L type by horizontal portion and vertical portion connection, has all seted up the sliding tray in the horizontal portion of every adjustable limiting plate, two adjustable limiting plates link up the piece one-to-one and insert in the sliding tray of two adjustable limiting plates, and the vertical position of every adjustable limiting plate is located the rear side of base roof.
The ground potential installation hard insulating protective cover for the lightning protection tension insulator can shield a metal grounding part (iron cross arm) at the installation position of the lightning protection tension insulator in line equipment and a discharge ring/discharge ball connected with the metal grounding part, and reduces single-phase grounding caused by the fact that a snake mouse climbs through an animal body to connect and penetrate through the high-voltage discharge ring/the low-voltage discharge ring/the discharge ball; meanwhile, the problem of branch lapping of bird nesting can be reduced, so that the external damage fault caused by the movement of animals at the equipment position is reduced, and the power supply reliability of a distribution network is improved; but also can be harmoniously symbiotic with animals to form a life large circulation body which is co-melted and co-built.
Drawings
Fig. 1 is a structural diagram of a ground potential-mounted hard insulating protective cover for a lightning protection tension insulator according to a first embodiment;
FIG. 2 is a block diagram of a cross arm base;
FIG. 3 is a block diagram of the vertical insertion baffle;
FIG. 4 is a structural view of a discharge ring cover;
fig. 5 is a structural diagram of a ground potential-mounted hard insulating protective cover for a lightning protection tension insulator according to the second embodiment.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description is given with reference to the accompanying drawings:
the first embodiment is as follows:
referring to fig. 1, fig. 2, fig. 3 and fig. 4, a first embodiment of the present invention is a ground potential mounting hard insulating protective cover for a lightning protection tension insulator, which is composed of a cross arm base 1, a vertical insertion baffle 2, a discharge ring cover 3, two adjustable limiting plates 5 and two live mounting lugs 4.
Referring to fig. 2 again, the cross arm base 1 includes a base body, a lug connection block 11, a vertical insertion baffle connection block 14, a discharge ring cover connection block 15, two adjustable limit plate connection blocks 12, and two magnet adsorption blocks 13, the base body is composed of a base top plate 16 and two base front side plates 17, and the top ends of the two base front side plates 17 are connected with the left and right sides of the front end of the base top plate 16 in a one-to-one correspondence manner. The hanging lug connection block 11 and the two magnet adsorption blocks 13 are respectively arranged on the upper surface of the base top plate 16, the hanging lug connection block 11 is transversely arranged, and the two magnet adsorption blocks 13 are respectively arranged on the left side and the right side of the hanging lug connection block 11; the two adjustable limiting plate connecting blocks 12 are vertically arranged on the two magnet adsorption blocks 13 in a one-to-one correspondence manner; the vertical inserting baffle plate connecting block 14 is arranged at the front end of a top plate 16 of the base and is positioned between two front side plates 17 of the base; the discharge ring cover joint block 15 is arranged at the front end of the vertical insertion baffle joint block 14. The vertical insertion baffle connection block 14 and the discharge ring cover connection block 15 are respectively in an inverted U shape. The bottom of the magnet adsorption block 13 is provided with strong magnet for adsorbing the whole ground potential installation hard insulation protective cover on the iron cross arm when the magnet is installed at the ground potential. Wherein electrified installation hangers link up piece 11 and correspond one of them electrified installation hangers 4 of installation, adjustable limiting plate link up piece 12 and correspond installation adjustable limiting plate 5, immediately insert baffle link up piece 14 and correspond the installation and immediately insert baffle 2, discharge ring cover link up piece 15 and correspond installation discharge ring cover 3, the butt joint all can be strengthened through self tapping screw more than.
Referring to fig. 3 again, the vertical insertion baffle 2 includes a baffle body 21, and the baffle body 21 is provided with a plurality of ventilation holes 22 penetrating from front to back; the bottom end of the baffle body 21 is provided with a vertical inserting joint 23 matched with the vertical inserting baffle joint block 14; the baffle connection block 14 is inserted into the connection port 23 and connected with the same through self-tapping screws. The vent holes 22 serve to reduce the frontal area of the overall shelter, but the size of the vent holes 22 should not be too large to prevent penetration of bird nesting branches.
The two adjustable limiting plates 5 are slidably arranged on the two adjustable limiting plate connecting blocks 12 in a one-to-one correspondence manner; specifically, each adjustable limiting plate 5 is connected by the transverse portion 51 and the vertical portion 52 to form an L shape, a sliding groove 53 (see fig. 5) is formed in the transverse portion of each adjustable limiting plate 5, and the two adjustable limiting plate joining blocks 12 are inserted into the sliding grooves 52 of the two adjustable limiting plates in a one-to-one correspondence manner, so that the adjustable limiting plates 5 slide back and forth along the corresponding adjustable limiting plate joining blocks 12. The vertical part of each adjustable limit plate 5 is positioned at the rear side of the base top plate 16. The distance between the vertical part 52 of the adjustable limiting plate 5 and the front side plate 17 of the base can be adjusted by moving the adjustable limiting plate 5, so that the adjustable limiting plate is suitable for iron cross arms with various sizes, and the installation and use requirements of iron cross arms with different lines and different specifications are met.
Referring to fig. 4, the discharge ring cover 3 includes a discharge ball shielding cover 31, a side-mounted lug connection pole 32, a discharge ring cover connection port 33 and a discharge ring shielding cover 34; the discharge ball shielding cover 31 and the side mounting lug connection column 32 are arranged at the top end of the discharge ring shielding cover 34 in tandem, and the discharge ring shielding cover connection port 33 is arranged at the rear end of the discharge ring shielding cover 34; the discharge ring cover joint 33 is matched with the discharge ring cover joint block 15, the discharge ring cover joint block 15 is inserted in the discharge ring cover joint 33, and the discharge ring cover joint block are connected through self-tapping screws; a discharge ball shield 31 and a discharge ring shield 34 for shielding the exposed metal part of the discharge ball or discharge ring above the lightning protection tension insulator.
Among the two electrified installation hangers 4, one electrified installation hanger 4 is arranged on the hanger connection block 11 of the cross arm base 1, and the other electrified installation hanger 4 is arranged on the side installation hanger connection column 32 of the discharge ring cover 3 and used for ground potential installation on the side surface of the line. The hanging lug connection block 11 of the cross arm base is perpendicular to the side mounting hanging lug connection column 32 of the discharge ring cover.
The ground potential installation hard insulating protective cover for the lightning protection tension insulator is characterized in that a cross arm base 1, a vertical insertion baffle 2, a discharge ring cover 3, two adjustable limiting plates 5 and two live installation hangers 4 are respectively made of hard insulating materials. When the anti-thunder and anti-static device is installed, the cross arm base 1 is arranged at one end of the anti-thunder and anti-static insulator and the metal connecting part of the iron cross arm, the cross arm base 1 effectively shields one end of the anti-thunder and anti-static insulator and the metal connecting part of the iron cross arm, the discharging ring cover 3 is used for shielding the exposed parts of the discharging ring or the discharging ball of the anti-thunder and anti-static insulator, the vertical inserting baffle 2 plays a role in blocking climbing of a snake mouse, isolating the high-voltage discharging ring/the low-voltage discharging ball from the lapping of an animal body or a bird nest branch, the short circuit grounding accident of high-voltage potential and iron cross arm ground potential caused by the lapping of foreign matters is avoided, and the live installation hanging lugs 5 are used for the inserting and removing operation of a live installation tool. Through the forward and backward sliding of the adjustable limiting plate, the whole ground potential installation hard insulating protective cover is suitable for iron cross arms of various sizes, and the installation and use requirements of different lines and iron cross arms of different specifications are met.
When the hard insulating protective cover for ground potential installation of the lightning protection tension insulator is used, the charged installation construction operation of the ground potential can be carried out on the rod through a charged installation tool: the vertical inserting baffle 2 can be used at the position of most of the tension-resistant lightning-protection insulator string iron cross arms in a covering manner and is used for shielding the connection part of the discharge ring/discharge ball at the low-voltage end and part of the iron cross arms, and mainly plays a role in blocking the squirrel from crossing along the line, limiting the bird branch lapping space and isolating the high-voltage potential and the ground potential; the ground potential mounting can be performed by two mounting angles.
Example two:
referring to fig. 5, the ground potential installation hard insulating protective cover for the lightning protection tension insulator of the invention can not be installed due to space limitation in the case that the top of the base rod is provided with the overline due to the change of the line condition, and the vertical insertion baffle 2 can be adjusted and detached to form a simplified combination of the ground potential installation hard insulating protective cover to meet the actual installation and use requirements.
The ground potential installation hard insulating protective cover for the lightning protection tension insulator is assembled through the special structural design of the hard insulating material, and compared with a traditional soft silicon rubber outer sleeve, the ground potential installation hard insulating protective cover for the lightning protection tension insulator can be installed without power failure. Can satisfy that circuit equipment metal live part and circuit equipment installation department metal ground connection part insulation protection shield, reduce rodent class leap along the line and the snake mouse climbing, reduce birds and nest the branch overlap joint to reduce because of birds are nested and the outer broken trouble that activities such as toy climbing caused, improve and join in marriage net power supply reliability. The live-line installation operation of a direct upper rod can be realized, an insulating bucket arm vehicle is not needed, operating personnel and operating tools are simplified, the working efficiency is improved, the equipment use cost is reduced, the uninterrupted operation range is expanded, the direct voltage drop of the fault tripping of the overhead line of the distribution network is realized, and the line maintenance cost and the fault overhaul cost are greatly reduced.
In summary, the ground potential installation hard insulating protective cover for the lightning protection tension insulator can shield a metal grounding part (iron cross arm) at the installation position of the lightning protection tension insulator in line equipment and a discharge ring/discharge ball connected with the metal grounding part, and reduce single-phase grounding caused by the fact that a snake and mouse climb behaviors are connected and run through the high-voltage discharge ring/discharge ball and the low-voltage discharge ring/discharge ball through an animal body; meanwhile, the problem of branch lapping of bird nesting can be reduced, so that external damage faults caused by animal movement at the position of the device are reduced, and the power supply reliability of a distribution network is improved; but also can harmoniously and symbiotically live with animals to form a large life cycle body which is co-melted and co-constructed.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator, its characterized in that, includes cross arm base, discharge ring cover, two adjustable limiting plates and two electrified hangers of installing, wherein:
the cross arm base comprises a base body, a lug connection block, a vertical insertion baffle connection block, a discharge ring cover connection block, two adjustable limiting plate connection blocks and two magnet adsorption blocks, wherein the base body comprises a base top plate and two base front side plates, the top ends of the two base front side plates are correspondingly connected with the left side and the right side of the front end of the base top plate one by one, the lug connection block and the two magnet adsorption blocks are respectively arranged on the upper surface of the base top plate, and the two magnet adsorption blocks are respectively arranged on the left side and the right side of the lug connection block; the two adjustable limiting plate connecting blocks are vertically arranged on the two magnet adsorption blocks in a one-to-one correspondence manner; the vertical insertion baffle plate connecting block is arranged at the front end of the top plate of the base and is positioned between the front side plates of the two bases; the discharge ring cover connection block is arranged at the front end of the vertical insertion baffle connection block;
the two adjustable limiting plates are slidably arranged on the two adjustable limiting plate connecting blocks in a one-to-one correspondence manner;
the discharge ring cover comprises a discharge ball shielding cover, a side mounting lug connection column, a discharge ring cover connection port and a discharge ring shielding cover; the discharge ball shielding cover and the side mounting lug connection column are arranged at the top end of the discharge ring shielding cover in tandem, and the discharge ring shielding cover connection port is arranged at the rear end of the discharge ring shielding cover; the discharge ring cover joint is matched with the discharge ring cover joint block, the discharge ring cover joint block is inserted in the discharge ring cover joint, and the discharge ring cover joint are connected through a self-tapping screw;
among the two electrified installation hangers, one electrified installation hanger is arranged on the hanger connection block of the cross arm base, and the other electrified installation hanger is arranged on the side installation hanger connection column of the discharge ring cover.
2. The ground potential installation hard insulating protective cover for the lightning protection tension insulator according to claim 1, characterized by further comprising an upright inserting baffle, wherein the upright inserting baffle comprises a baffle body, and a plurality of ventilation holes which are through from front to back are formed in the baffle body; the bottom end of the baffle body is provided with a vertical inserting connection port matched with the vertical inserting baffle connection block; the vertical inserting baffle plate connecting block is inserted in the vertical inserting connecting port, and the vertical inserting baffle plate connecting block are connected through self-tapping screws.
3. The ground potential installation hard insulation protective cover for the lightning protection tension insulator according to claim 1 or 2, characterized in that each component of the ground potential installation hard insulation protective cover is made of hard insulation materials.
4. The ground potential-mounted hard insulating shield for lightning protection strain insulators of claim 1 or 2, wherein said vertical insertion barrier engaging piece and said discharge ring shield engaging piece are each in the shape of an inverted U.
5. The ground potential-mounted hard insulating protective cover for the lightning protection tension insulator according to claim 1 or 2, wherein the lug connection blocks of the cross arm base and the side-mounted lug connection columns of the discharge ring cover are perpendicular to each other.
6. The ground potential installation hard insulating protective cover for the lightning protection strain insulator is characterized in that each adjustable limiting plate is connected by a transverse part and a vertical part to form an L shape, a sliding groove is formed in the transverse part of each adjustable limiting plate, the two adjustable limiting plate connecting blocks are inserted into the sliding grooves of the two adjustable limiting plates in a one-to-one correspondence mode, and the vertical part of each adjustable limiting plate is located on the rear side of the base top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211562128.8A CN115762927A (en) | 2022-12-07 | 2022-12-07 | A ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211562128.8A CN115762927A (en) | 2022-12-07 | 2022-12-07 | A ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115762927A true CN115762927A (en) | 2023-03-07 |
Family
ID=85343927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211562128.8A Pending CN115762927A (en) | 2022-12-07 | 2022-12-07 | A ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115762927A (en) |
-
2022
- 2022-12-07 CN CN202211562128.8A patent/CN115762927A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205355765U (en) | 10kV distribution lines's lightning protection device | |
| CN201041925Y (en) | Railway signal lightning prevention distribution cabinet | |
| CN106842448B (en) | Insulating surplus cable case that falls to ground of cable that advances on transformer substation | |
| Zhang et al. | Effective grounding of the photovoltaic power plant protected by lightning rods | |
| CN115762927A (en) | A ground potential installation stereoplasm insulation protection casing for lightning protection strain insulator | |
| CN218975215U (en) | Ground potential installation rigid insulation protective cover for lightning protection tension insulator | |
| CN109586235B (en) | A outer lightning rod ground structure of leading of resistant angle steel tower for open area and many thunder district environment | |
| CN211185614U (en) | Occupy-place formula drives bird ware structure | |
| CN209981724U (en) | Lightning arrester for power equipment | |
| CN220857599U (en) | Hard insulating protective cover for transverse-mounted lightning arrester high-voltage end | |
| CN203911308U (en) | Insulated operation rod head for mounting of insulated knife switch protection cover | |
| CN108471048B (en) | Lightning protection system for environment monitoring station and use method thereof | |
| CN112332119A (en) | Portable earthing device of power equipment | |
| CN201975782U (en) | Lightning protection and ground protection device for wind generating set | |
| CN107711820B (en) | Double-arm bird-repellent shielding cover applied to high-voltage overhead line tower pole | |
| CN220857576U (en) | Cross arm hard insulating cover | |
| CN221080920U (en) | Grounding device of overvoltage protector | |
| CN219917914U (en) | High-voltage distribution cabinet safety ground structure | |
| CN217335026U (en) | Roof distributed photovoltaic power station lightning arrester | |
| Thanasaksiri | Improving the lightning performance of overhead distribution lines | |
| CN211456224U (en) | 220kV open-type distribution device based on double-bus wiring | |
| CN219875043U (en) | Lightning protection device for grid wiring | |
| CN211456227U (en) | 220kV open-type distribution device based on 3/2 circuit breaker wiring | |
| CN215008614U (en) | Tower lightning protection grounding device | |
| CN116054065A (en) | Ground potential additional installation external damage prevention method of transverse lightning arrester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |