CN116054065A - Ground potential additional installation external damage prevention method of transverse lightning arrester - Google Patents
Ground potential additional installation external damage prevention method of transverse lightning arrester Download PDFInfo
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- CN116054065A CN116054065A CN202211562129.2A CN202211562129A CN116054065A CN 116054065 A CN116054065 A CN 116054065A CN 202211562129 A CN202211562129 A CN 202211562129A CN 116054065 A CN116054065 A CN 116054065A
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- arrester
- ground potential
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
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- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- 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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- Life Sciences & Earth Sciences (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a ground potential additional installation external breaking prevention method of a horizontal arrester, wherein a special installation tool is adopted to put and adsorb an external breaking prevention insulation device of the horizontal arrester on an iron cross arm at the installation position of horizontal arrester equipment in a mode of live installation of the ground potential on a rod, and the special installation tool consists of an installation head support column, a locking plate, an operation plate and a spliced operation rod; the lock plate and the operation plate are arranged on the installation head support column one by one, the head of the operation plate is provided with two cylindrical heads, and the bottom end of the installation head support column is in threaded connection with the top end of the spliced operation rod. The ground potential additional installation and external damage prevention method of the transverse arrester is matched with a special electrified installation tool, achieves additional installation of line insulation protection without power failure installation operation, is simple and practical, reduces external damage faults caused by activities such as nesting of birds and climbing of small animals, improves power supply reliability of a distribution network, and greatly reduces line maintenance cost and fault overhaul cost.
Description
Technical Field
The invention relates to an external breaking prevention method for ground potential installation of a transverse lightning arrester.
Background
With the continuous promotion of distribution network insulation construction, the main cause of tripping faults of the distribution network overhead lines at present is external breaking factors, and birds nest and small animals climb in the external breaking factors to occupy a large proportion.
In overhead line installation structures, transverse lightning arresters are mostly used for overvoltage protection of equipment and cables on poles. The insulation cover is a silicon rubber soft insulation cover, the distance between the opening and the metal charged part is short, and once a nest is nested at the iron cross arm position of the transverse lightning arrester, the metal charged part at the opening of the insulation cover is very easy to form a power frequency flashover channel between the nest and the iron cross arm. In addition, rodent mice, snakes and other animals climb the line equipment to cause the metal electrified part of the transverse arrester high-voltage terminal line row or the binding post to form a short circuit channel with the iron cross arm through the snakes and the mouse body.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an external breaking prevention method for the ground potential of a transverse arrester, which is matched with a special electrified installation tool to complete the installation of line insulation protection without power failure, is simple and practical, reduces external breaking faults caused by activities such as nesting of birds, climbing of small animals and the like, improves the power supply reliability of a distribution network, and greatly reduces the line maintenance cost and the fault overhaul cost.
The technical scheme for achieving the purpose is as follows: the ground potential mounting external breaking prevention method of the transverse arrester adopts a special mounting tool to mount and adsorb an external breaking prevention insulation device of the transverse arrester on an iron cross arm at the mounting position of transverse arrester equipment in a mode of live installation of the ground potential on a rod, wherein the special mounting tool consists of a mounting head support column, a locking plate, an operation plate and a spliced operation rod; the lock plate and the operation plate are arranged on the installation head support column one by one, the lock plate and the operation plate are connected together through a lock pin, the head of the operation plate is provided with two cylindrical heads, and the bottom end of the installation head support column is in threaded connection with the top end of the spliced operation rod; the method for installing the external broken insulation preventing device on the ground potential specifically comprises the following steps:
s1, a live operator on a rod climbs a safe operation height position on the rod, and safety measures are taken;
s2, a ground coordination person transmits a special installation tool to a charged operator on the rod, and then transmits an insulation device for preventing the transverse lightning arrester from being broken outwards to the charged operator on the rod;
s3, a live operator on the rod inserts the transverse arrester anti-external-damage insulation device on two cylindrical heads of an operation plate of the special installation tool, and the special installation tool is slowly lifted through the spliced operation rod to lift the transverse arrester anti-external-damage insulation device to the position where the transverse arrester is installed with an iron cross arm;
s4, a live operator on the rod adjusts the placing direction of the transverse arrester anti-external-damage insulation device, then the transverse arrester anti-external-damage insulation device is placed on the iron cross arm, and then two cylindrical heads of an operation plate of the special installation tool are separated from the transverse arrester anti-external-damage insulation device;
s5, then the on-pole live-line operator transmits the special installation tool to the lower part of the pole, and the on-pole live-line operator descends to the ground to finish the live-line construction of the ground potential additional installation of the external broken insulation device of the transverse lightning arrester.
According to the ground potential additional installation external breaking prevention method of the transverse arrester, the threaded counter bore is formed in the bottom end of the installation head support column, the external threads are formed in the top end of the spliced operating rod, and the threaded counter bore in the bottom end of the installation head support column is connected with the external threads in the top end of the spliced operating rod.
The ground potential additional installation external breaking prevention method of the transverse lightning arrester comprises the steps that an external breaking prevention insulation device of the transverse lightning arrester consists of a baffle plate, a mounting base, a mounting hanging lug and two adjusting pins; wherein:
a plurality of ventilation holes are formed in the baffle, and an inverted U-shaped socket is formed in the bottom end of the baffle;
the installation base is provided with a strong magnet, one side of the installation base is provided with an inverted U-shaped baffle connecting block, and an inverted U-shaped socket at the bottom end of the baffle is inserted into the inverted U-shaped baffle connecting block;
the two adjusting feet are respectively and slidably arranged on the other side of the mounting base;
the installation hangers are arranged at the top end of the installation base and are positioned between the two adjusting pins, and two ground potential installation operation holes are formed in the installation hangers.
In the method for preventing the external damage of the ground potential of the transverse arrester, in step S3, two ground potential installation operation holes on the installation lugs of the insulation device for preventing the external damage of the transverse arrester are correspondingly inserted on two cylindrical heads of the operation plate of the special installation tool one by one.
In the method for additionally installing the ground potential of the transverse lightning arrester to prevent external damage, in step S4, the inverted U-shaped socket of the baffle of the insulation device for preventing external damage of the transverse lightning arrester spans over the umbrella skirt of the lightning arrester body.
According to the ground potential additional installation external breaking prevention method for the transverse lightning arrester, each adjusting pin is connected by the transverse part and the vertical part to form an L shape, the transverse part of each adjusting pin is provided with the sliding groove, the top end of the installation base is provided with two convex blocks, the two convex blocks are inserted into the sliding grooves of the two adjusting pins in a one-to-one correspondence manner, and the vertical part of each adjusting pin is positioned on the other side of the installation base.
According to the ground potential additional installation external damage prevention method for the transverse lightning arrester, the external damage prevention insulation device for the transverse lightning arrester is made of hard insulation modified plastic materials, and the special installation tool is made of epoxy glass fiber materials.
The ground potential additional installation and external damage prevention method of the transverse arrester is matched with a special electrified installation tool, achieves additional installation of line insulation protection without power failure installation operation, is simple and practical, reduces external damage faults caused by activities such as nesting of birds and climbing of small animals, improves power supply reliability of a distribution network, and greatly reduces line maintenance cost and fault overhaul cost. The direct upper pole live installation operation can be realized, an insulating arm trolley is not needed, the operation personnel and the operation tools are simplified, the working efficiency is improved, the equipment use cost is reduced, the uninterrupted operation range is expanded, the direct voltage drop for the fault tripping of the distribution network overhead line is realized, and the line maintenance cost and the fault overhaul cost are greatly reduced.
Drawings
Fig. 1 is a schematic perspective view of an insulation breaking preventing device of a transverse lightning arrester;
fig. 2 is a schematic view of a transverse arrester with an anti-external-breakage insulation device mounted on the transverse arrester;
FIG. 3 is a schematic view of the construction of a specific installation tool;
fig. 4 is a schematic diagram of the butt joint of the special installation tool and the transverse lightning arrester insulation breaking prevention device.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, 2, 3 and 4, according to the preferred embodiment of the present invention, an external breaking prevention method is provided for installing a ground potential of a horizontal lightning arrester, and a special installation tool is used to mount and adsorb an external breaking prevention insulation device of the horizontal lightning arrester on an iron cross arm at an installation place of a horizontal lightning arrester device in a manner of installing the ground potential on a rod in an electrified manner.
The transverse lightning arrester insulation breaking preventing device consists of a baffle plate 1, a mounting base 2, a mounting hanging lug 4 and two adjusting feet 3. A plurality of ventilation holes 11 are formed in the baffle plate 1, the size of the ventilation holes 11 is proper, and therefore, the windward side is reduced, and penetration and lap joint of branches nesting by birds are blocked. The bottom end of the baffle plate 1 is provided with an inverted U-shaped socket; the installation base 2 is provided with a strong magnet, one side of the installation base 2 is provided with an inverted U-shaped baffle connecting block, an inverted U-shaped socket at the bottom end of the baffle 1 is inserted on the inverted U-shaped baffle connecting block, and the inverted U-shaped socket and the inverted U-shaped baffle connecting block are fastened through self-tapping screws; the two adjusting feet 3 are slidably arranged on the other side of the mounting base 2 respectively, specifically, each adjusting foot 3 is connected by a transverse portion and a vertical portion to form an L shape, a sliding groove 31 is formed in the transverse portion of each adjusting foot 3, two protruding blocks 21 are arranged on the top end of the mounting base 2, the two protruding blocks 21 are inserted into the sliding grooves 31 of the two adjusting feet 3 in a one-to-one correspondence manner, and the vertical portion of each adjusting foot 3 is located on the other side of the mounting base 2. The distance between the vertical part of the adjusting foot 3 and the inverted U-shaped baffle connecting block of the installation base 2 can be adjusted by moving the adjusting foot 3, so that the adjusting foot is suitable for iron cross arms with various sizes, and the installation and use requirements of iron cross arms with different specifications of different lines are met.
The installation hangers 4 are arranged at the top end of the installation base 2 and are positioned between the two adjusting pins 3, two ground potential installation operation holes 41 are formed in the installation hangers 4, and the ground potential installation operation holes 41 are used for being matched with the insertion and withdrawal of a special installation tool and are used for the ground potential electrified installation of the transverse lightning arrester anti-external-damage insulation device.
The baffle 1 has the most important function of separating high-voltage and low-voltage electric potentials at two ends of the arrester, and prevents the body of a small animal such as a squirrel or a small snake from being lapped on the umbrella skirt of the transverse arrester, so that the outside of the umbrella skirt of the arrester is short-circuited, and the grounding fault of a circuit system is caused;
the combination of the baffle plate 1 and the mounting base 2 can basically cover the metal parts of the bottom and part of the cross arm of the transverse arrester, increase the external insulation level of the transverse arrester, and has certain external breaking resistance to the nesting problem of the position of the cross arm of the arrester.
The special installation tool consists of an installation head strut 5, a lock plate 6, an operation plate 8 and a spliced operation rod 9; the lock plate 6 and the operation plate 8 are arranged on the installation head support column 5 one by one, the lock plate 6 and the operation plate 8 are connected together through the lock pin 7, the head of the operation plate 8 is provided with two cylindrical heads 81, and the bottom end of the installation head support column 5 is in threaded connection with the top end of the spliced operation rod 9; specifically, the bottom of installation head pillar 5 has seted up the screw thread counter bore, but the top of concatenation action bars 9 is provided with the external screw thread, and the screw thread counter bore of the bottom of installation head pillar 5 links to each other with the external screw thread on the top of concatenation action bars 9. The spliced operating rod 9 can be spliced in multiple sections according to the actual use length; the two cylindrical heads 81 of the operation plate 8 of the special installation tool are correspondingly matched with the two ground potential installation operation holes 41 of the ground potential installation anti-external damage device to perform insertion and withdrawal operations so as to realize live installation operations.
The transverse lightning arrester external-damage-preventing insulation device is manufactured by adopting a hard insulation modified plastic specific thermoforming technology, and particularly aims at the external damage problems of nesting of birds, climbing of small animals and the like at the position; the special installation tool is made of epoxy glass fiber board and epoxy glass fiber bar material.
The invention discloses a method for additionally installing an insulation breaking prevention device on the ground potential of a transverse lightning arrester, which specifically comprises the following steps:
s1, a live operator on a rod climbs a safe operation height position on the rod, and safety measures are taken;
s2, a ground coordination person transmits a special installation tool to a charged operator on the rod, and then transmits an insulation device for preventing the transverse lightning arrester from being broken outwards to the charged operator on the rod;
s3, a live operator on the rod inserts two ground potential installation operation holes 41 on an installation hanging lug 4 of the external broken insulation device of the transverse arrester into two cylindrical heads 81 of an operation plate 8 of a special installation tool in a one-to-one correspondence manner, and the special installation tool is slowly lifted by the spliced operation rod 9 to lift the external broken insulation device of the transverse arrester to an installation iron cross arm of the transverse arrester;
s4, a live operator on the rod adjusts the placing direction of the transverse arrester anti-external-damage insulation device, and then places the transverse arrester anti-external-damage insulation device on the iron cross arm, so that the inverted U-shaped socket of the baffle plate 1 of the transverse arrester anti-external-damage insulation device spans over the umbrella skirt of the arrester body 100; then the two cylindrical heads 81 of the operation plate of the special installation tool are separated from the two ground potential installation operation holes 41 on the installation hanging lugs 4 of the external broken insulation device of the transverse lightning arrester;
s5, then the on-pole live-line operator transmits the special installation tool to the lower part of the pole, and the on-pole live-line operator descends to the ground to finish the live-line construction of the ground potential additional installation of the external broken insulation device of the transverse lightning arrester.
The transverse lightning arrester external breaking prevention insulation device is made of hard insulation modified plastic materials, can be matched with a special electrified installation tool head compared with a traditional soft silicone rubber material jacket, and is simple and practical to install and install the circuit insulation protection without power failure.
The ground potential additional installation external breaking prevention method of the transverse arrester is mainly used for solving the problems of nesting of birds on the transverse arm of the transverse arrester and climbing of a transverse arrester body of a snake and rat, and reducing external breaking faults caused by activities such as nesting of birds, climbing of small animals and the like by shielding metal parts to strengthen insulation level, blocking high and low voltage potentials of bird nest branches and animal body short circuits and the like, and improving the power supply reliability of a distribution network.
The ground potential additional installation anti-external-breaking method of the transverse arrester can realize direct upper rod live installation operation without insulating a bucket arm vehicle, simplifies operation personnel and operation tools, improves working efficiency, reduces equipment use cost, expands uninterrupted operation range, directly reduces voltage drop for fault tripping of a grid distribution overhead line, and greatly reduces line maintenance cost and fault overhaul cost.
In summary, the ground potential additional installation and external damage prevention method of the transverse arrester is matched with a special electrified installation tool, achieves additional installation of line insulation protection without power failure installation operation, is simple and practical, reduces external damage faults caused by activities such as nesting of birds and climbing of small animals, improves power supply reliability of a distribution network, and greatly reduces line maintenance cost and fault overhaul cost.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (7)
1. The ground potential additional installation external damage prevention method for the transverse arrester is characterized in that a special installation tool is adopted to put and adsorb an external damage prevention insulation device of the transverse arrester on an iron cross arm at the installation position of transverse arrester equipment in a mode of live installation of the ground potential on a rod, and the special installation tool consists of an installation head support column, a locking plate, an operation plate and a spliced operation rod; the lock plate and the operation plate are arranged on the installation head support column one by one, the lock plate and the operation plate are connected together through a lock pin, the head of the operation plate is provided with two cylindrical heads, and the bottom end of the installation head support column is in threaded connection with the top end of the spliced operation rod; the method for installing the external broken insulation preventing device on the ground potential specifically comprises the following steps:
s1, a live operator on a rod climbs a safe operation height position on the rod, and safety measures are taken;
s2, a ground coordination person transmits a special installation tool to a charged operator on the rod, and then transmits an insulation device for preventing the transverse lightning arrester from being broken outwards to the charged operator on the rod;
s3, a live operator on the rod inserts the transverse arrester anti-external-damage insulation device on two cylindrical heads of an operation plate of the special installation tool, and the special installation tool is slowly lifted through the spliced operation rod to lift the transverse arrester anti-external-damage insulation device to the position where the transverse arrester is installed with an iron cross arm;
s4, a live operator on the rod adjusts the placing direction of the transverse arrester anti-external-damage insulation device, then the transverse arrester anti-external-damage insulation device is placed on the iron cross arm, and then two cylindrical heads of an operation plate of the special installation tool are separated from the transverse arrester anti-external-damage insulation device;
s5, then the on-pole live-line operator transmits the special installation tool to the lower part of the pole, and the on-pole live-line operator descends to the ground to finish the live-line construction of the ground potential additional installation of the external broken insulation device of the transverse lightning arrester.
2. The ground potential additional installation external breaking prevention method of the transverse lightning arrester according to claim 1, wherein a threaded counter bore is formed in the bottom end of the installation head support column, an external thread is formed in the top end of the spliced operating rod, and the threaded counter bore in the bottom end of the installation head support column is connected with the external thread in the top end of the spliced operating rod.
3. The ground potential additional installation external breaking prevention method of the transverse lightning arrester according to claim 1, wherein the transverse lightning arrester external breaking prevention insulation device consists of a baffle plate, a mounting base, a mounting hanging lug and two adjusting pins; wherein:
a plurality of ventilation holes are formed in the baffle, and an inverted U-shaped socket is formed in the bottom end of the baffle;
the installation base is provided with a strong magnet, one side of the installation base is provided with an inverted U-shaped baffle connecting block, and an inverted U-shaped socket at the bottom end of the baffle is inserted into the inverted U-shaped baffle connecting block;
the two adjusting feet are respectively and slidably arranged on the other side of the mounting base;
the installation hangers are arranged at the top end of the installation base and are positioned between the two adjusting pins, and two ground potential installation operation holes are formed in the installation hangers.
4. The method for additionally installing the ground potential of the transverse arrester to the external damage prevention according to claim 3, wherein in the step S3, two ground potential installation operation holes on the installation hanging lugs of the external damage prevention insulation device of the transverse arrester are correspondingly plugged on two cylindrical heads of the operation plate of the special installation tool one by one.
5. The method for additionally installing an anti-external-damage ground potential of a transverse lightning arrester according to claim 3, wherein in the step S4, an inverted U-shaped socket of a baffle plate of the anti-external-damage insulation device of the transverse lightning arrester spans over an umbrella skirt of a lightning arrester body.
6. The ground potential additional installation external breaking prevention method for the horizontal lightning arrester according to claim 3, wherein each adjusting pin 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 adjusting pin, two protruding blocks are arranged at the top end of the mounting base, the two protruding blocks are inserted into the sliding grooves of the two adjusting pins in a one-to-one correspondence manner, and the vertical part of each adjusting pin is located at the other side of the mounting base.
7. A method for preventing external damage to ground potential of a transverse arrester according to any one of claims 1 to 3, wherein the transverse arrester insulation device is made of hard insulation modified plastic material, and the special installation tool is made of epoxy glass fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211562129.2A CN116054065A (en) | 2022-12-07 | 2022-12-07 | Ground potential additional installation external damage prevention method of transverse lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211562129.2A CN116054065A (en) | 2022-12-07 | 2022-12-07 | Ground potential additional installation external damage prevention method of transverse lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116054065A true CN116054065A (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211562129.2A Pending CN116054065A (en) | 2022-12-07 | 2022-12-07 | Ground potential additional installation external damage prevention method of transverse lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116054065A (en) |
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2022
- 2022-12-07 CN CN202211562129.2A patent/CN116054065A/en active Pending
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