CN110854736B - Method for assisting electric field feeding by adopting insulating bottle supporting frame - Google Patents
Method for assisting electric field feeding by adopting insulating bottle supporting frame Download PDFInfo
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- CN110854736B CN110854736B CN201911158698.9A CN201911158698A CN110854736B CN 110854736 B CN110854736 B CN 110854736B CN 201911158698 A CN201911158698 A CN 201911158698A CN 110854736 B CN110854736 B CN 110854736B
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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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Abstract
The invention discloses a method for assisting in entering an electric field by adopting an insulating bottle support, which uses tools comprising the insulating bottle support and a seat plate, wherein the seat plate is arranged on the insulating bottle support, a triangular iron rod of the insulating bottle support is fixed on a triangular connecting plate of a tension tower connected with a double-string insulator, a metal connecting ring is connected and fixed on a main bearing tower material above a replacement insulator by using an insulating rope, the insulating rope is adjusted to keep the insulating bottle support horizontal, a potential electrician enters the seat plate from a tower body, the insulating bottle support rotates in a horizontal plane by taking the top of the triangular iron rod as a circle center, the potential electrician is brought into the electric field in a rotating mode, the seat plate is detached by the equipotential electrician and hung on a conducting wire, and the bottle support is left to complete the function of supporting the tension insulator string; the method solves the problem that the phase and middle electric fields on the dual-loop strain tower are difficult to enter, greatly improves the operation reliability and the operation efficiency, and provides technical support for ensuring the safe and reliable operation of the power transmission line.
Description
Technical Field
The invention relates to a method for assisting in feeding an electric field by adopting an insulating bottle supporting frame.
Background
At present, when live-line work is carried out in an equipotential mode, methods for entering an electric field include: 1. an insulating rope ladder is adopted to assist in entering an electric field; 2. an insulating hard ladder is adopted to assist in entering an electric field; 3. along the insulator string into the electric field.
The above-mentioned 3 methods of entering the electric field all have certain drawbacks. Method 1 exists: the required tools and appliances are many, and the operation of middle and upper two phases with equal potential in multiple loops on the same tower cannot be carried out; method 2 exists: the length of the insulating hard ladder is fixed, and the distances from the conducting wires to the main rod of the tower are different, so that the insulating hard ladder cannot be used for entering an electric field easily; the method 3 cannot be used to enter the electric field when the number of insulator pieces is less than 18.
Disclosure of Invention
Aiming at the defects of the existing electric field entering method, the invention provides a method for assisting in entering an electric field by adopting an insulating bottle support, which can reduce tools required by operation and can be used under the conditions of special tower shapes and less than 18 insulator sheets, and can complete live-line operation with functions of transferring potential by an equipotential electrician and replacing a strain insulator string in a live-line manner by only needing one set of tools, thereby providing great help for the development of live-line operation of power transmission.
The tool used in the method comprises an insulating bottle supporting frame and a seat plate, wherein the insulating bottle supporting frame comprises a triangular iron rod, a metal connecting ring and 2 bearing rods; two ends of the bottom of the triangular iron rod are respectively arranged on one end of the 2 bearing rods and can rotate around the shaft, the other ends of the 2 bearing rods are connected through a connecting rod, a metal connecting ring is fixed on the connecting rod, and a bracket is arranged between the 2 bearing rods; the seat board comprises two insulating boards, an underframe with handrails, a U-shaped clamping groove and an L-shaped clamping groove, wherein the two insulating boards are arranged in parallel; the front end of the insulating plate is connected with a U-shaped clamping groove; a clamping pin is arranged on the U-shaped clamping groove; the left end and the right end of the L-shaped clamping groove are respectively connected with the middle parts of the two insulating plates, and pins are arranged on the two clamping grooves; the rear end of the insulating plate is fixedly connected with the bottom of the underframe; the seat plate is arranged on the connecting rod and the bearing rod of the insulating bottle bracket through the U-shaped clamping groove and the L-shaped clamping groove and is fixed through the clamping pin and the pin; fix the triangle-shaped iron set on the triangle even board that strain insulator shaft tower connects two strings of insulators, connect the metal connecting ring with insulating rope simultaneously and fix on the main load tower material of changing the insulator top, and adjust insulating rope and make edge support insulator bracket keep the level, treat that potential electrician gets into the bedplate from the body of the tower, insulating support insulator bracket uses the top of triangle-shaped iron set as the centre of a circle at horizontal rotation, bring potential electrician into the electric field through rotatory mode, the equipotential electrician pulls down the bedplate and hangs on the wire, it accomplishes the function of holding strain insulator string to remain support insulator bracket.
The triangular iron rod comprises a head part, a supporting part and a connecting part which are sequentially connected from top to bottom, the head part is a vertically arranged screw rod, and a butterfly nut is connected onto the screw rod; the supporting part is in a downward forked shape and is fixedly connected to the connecting part, the connecting part is in a rod shape, and two ends of the connecting part are respectively arranged on one end of the 2 bearing rods and can rotate from the shaft; the screw rod penetrates through a construction hole in the triangular connecting plate to fix the rear end of the insulating bottle supporting frame on the strain tower.
During insulating bottle support and bedplate two parts installation, the bearing pole of up wrapping insulating bottle support is down followed to U type draw-in groove, and then the bedplate has a down dip after moving one section distance towards insulating bottle support rear end horizontal migration, makes the connecting rod card of insulating bottle support rear end advance inside L type draw-in groove, prevents the bedplate and the separation of insulating bottle support through chucking pin and pin.
The metal connecting ring is semicircular.
The invention has the advantages and technical effects that:
1) the problem of electric field entrance and exit under the limitation of special tower shapes and special working areas is solved;
2) the carrying consumption of the large insulating tool for live working is reduced;
3) the number ratio of the operating people is optimized, and the labor intensity and the operating cost are reduced.
Drawings
FIG. 1 is a schematic structural view of an insulating bottle support according to the present invention;
FIG. 2 is a schematic view of the seat plate;
FIG. 3 is a schematic diagram of the structure of the apparatus of the present invention;
in the figure: 1-a triangular iron rod; 2-metal connecting rings; 3-a bearing rod; 4-an insulating plate; 5-a chassis; 6-arm rest; 7-U-shaped clamping grooves; 8-L-shaped clamping grooves; 9-clamping the pin; 10-a pin; 11-triangular connecting plates; 12-a head; 13-a support; 14-a connecting portion; 15-tower material; 16-insulating rope.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the invention is not limited to the above-described examples.
Example 1: as shown in fig. 1-3, the tool used in the method for assisting in feeding an electric field by using the insulating bottle supporting frame comprises the insulating bottle supporting frame and a seat plate, wherein the insulating bottle supporting frame comprises a triangular iron rod 1, a metal connecting ring 2 and 2 bearing rods 3; two ends of the bottom of the triangular iron rod are respectively arranged on one end of the 2 bearing rods and can rotate around the shaft, the other ends of the 2 bearing rods are connected through a connecting rod, a metal connecting ring is fixed on the connecting rod, and a bracket is arranged between the 2 bearing rods; the seat board comprises two insulating boards 4, an underframe 5 with handrails 6, a U-shaped clamping groove 7 and an L-shaped clamping groove 8, wherein the two insulating boards are arranged in parallel; the front end of the insulating plate is connected with a U-shaped clamping groove; a clamping pin 9 is arranged on the U-shaped clamping groove; the left end and the right end of the L-shaped clamping groove are respectively connected with the middle parts of the two insulating plates, and pins 10 are arranged on the two clamping grooves; the rear end of the insulating plate is fixedly connected with the bottom of the bottom frame 5; the seat board is arranged on the connecting rod of the insulating bottle bracket and the bearing rod 3 through the U-shaped clamping groove and the L-shaped clamping groove and is fixed through the clamping pin 9 and the pin 10; fix the triangle-shaped iron set on the triangle yoke plate 11 that strain insulator shaft tower connects two strings of insulators, connect the metal connecting ring with insulating rope 16 simultaneously and fix on the main load tower material 15 of changing the insulator top, and adjust insulating rope and make edge support the bottleholder and keep the level, treat that the potential electrician gets into the bedplate from the body of the tower, insulating support bottleholder uses the top of triangle-shaped iron set 1 as the centre of a circle at horizontal rotation, bring the potential electrician into the electric field through rotatory mode, the equipotential electrician pulls down the bedplate and hangs on the wire, leave and hold in the bottleholder and accomplish the function of holding strain insulator string.
Example 2: the tool used in the method for assisting in entering the electric field by adopting the insulating bottle supporting frame comprises the insulating bottle supporting frame and a seat plate, wherein the insulating bottle supporting frame comprises a triangular iron rod 1, a metal connecting ring 2 and 2 bearing rods 3; two ends of the bottom of the triangular iron rod are respectively arranged on one end of the 2 bearing rods and can rotate around the shaft, the other ends of the 2 bearing rods are connected through a connecting rod, a metal connecting ring is fixed on the connecting rod, and a bracket is arranged between the 2 bearing rods; the seat board comprises two insulating boards 4, an underframe 5 with handrails 6, a U-shaped clamping groove 7 and an L-shaped clamping groove 8, wherein the two insulating boards are arranged in parallel; the front end of the insulating plate is connected with a U-shaped clamping groove; a clamping pin 9 is arranged on the U-shaped clamping groove; the left end and the right end of the L-shaped clamping groove are respectively connected with the middle parts of the two insulating plates, and pins 10 are arranged on the two clamping grooves; the rear end of the insulating plate is fixedly connected with the bottom of the bottom frame 5; the seat board is arranged on the connecting rod of the insulating bottle bracket and the bearing rod 3 through the U-shaped clamping groove and the L-shaped clamping groove and is fixed through the clamping pin 9 and the pin 10; the triangular iron rod comprises a head part 12, a supporting part 13 and a connecting part 14 which are sequentially connected from top to bottom, the head part is a vertically arranged screw rod, and a butterfly nut is connected onto the screw rod; the supporting part is in a downward forked shape and is fixedly connected to the connecting part, the connecting part is in a rod shape, and two ends of the connecting part are respectively arranged on one end of the 2 bearing rods and can rotate from the shaft; the screw rod passes the construction eye on triangle even board 11 and is fixed the insulating support bottleholder rear end on strain insulator shaft tower, connect the metal connecting ring with insulating rope 16 simultaneously and fix on the main load tower material 15 of changing the insulator top, and adjust insulating rope and make the edge support bottleholder keep the level, treat that the potential electrician gets into the bedplate from the body of the tower, insulating support bottleholder uses the top of triangle iron pole 1 as the centre of a circle at horizontal rotation, bring the potential electrician into the electric field through rotatory mode, the equipotential electrician pulls down the bedplate and hangs on the wire, leave and hold the bottleholder and accomplish the function of holding strain insulator string.
Example 3: the tool used in the method for assisting in entering the electric field by adopting the insulating bottle supporting frame comprises the insulating bottle supporting frame and a seat plate, wherein the insulating bottle supporting frame comprises a triangular iron rod 1, a metal connecting ring 2 and 2 bearing rods 3; two ends of the bottom of the triangular iron rod are respectively arranged on one end of the 2 bearing rods and can rotate around the shaft, the other ends of the 2 bearing rods are connected through a connecting rod, a metal connecting ring is fixed on the connecting rod, and a bracket is arranged between the 2 bearing rods; the seat board comprises two insulating boards 4, an underframe 5 with handrails 6, a U-shaped clamping groove 7 and an L-shaped clamping groove 8, wherein the two insulating boards are arranged in parallel; the front end of the insulating plate is connected with a U-shaped clamping groove; a clamping pin 9 is arranged on the U-shaped clamping groove; the left end and the right end of the L-shaped clamping groove are respectively connected with the middle parts of the two insulating plates, and pins 10 are arranged on the two clamping grooves; the rear end of the insulating plate is fixedly connected with the bottom of the bottom frame 5; when the insulating bottle support frame and the seat plate are installed, the U-shaped clamping groove 7 wraps the bearing rod 3 of the insulating bottle support frame from bottom to top, then the seat plate horizontally moves towards the rear end of the insulating bottle support frame for a certain distance and then inclines downwards, so that the connecting rod at the rear end of the insulating bottle support frame is clamped into the L-shaped clamping groove 8, and the seat plate is prevented from being separated from the insulating bottle support frame through the clamping pin 9 and the pin 10; the triangular iron rod comprises a head part 12, a supporting part 13 and a connecting part 14 which are sequentially connected from top to bottom, the head part is a vertically arranged screw rod, and a butterfly nut is connected onto the screw rod; the supporting part is in a downward forked shape and is fixedly connected to the connecting part, the connecting part is in a rod shape, and two ends of the connecting part are respectively arranged on one end of the 2 bearing rods and can rotate from the shaft; the screw rod passes the construction eye on triangle even board 11 and is fixed the insulating support bottleholder rear end on strain insulator shaft tower, connect the metal connecting ring with insulating rope 16 simultaneously and fix on the main load tower material 15 of changing the insulator top, and adjust insulating rope and make the edge support bottleholder keep the level, treat that the potential electrician gets into the bedplate from the body of the tower, insulating support bottleholder uses the top of triangle iron pole 1 as the centre of a circle at horizontal rotation, bring the potential electrician into the electric field through rotatory mode, the equipotential electrician pulls down the bedplate and hangs on the wire, leave and hold the bottleholder and accomplish the function of holding strain insulator string.
The method solves the problem that the upper phase electric field and the middle phase electric field of the double-loop tension tower are difficult to enter, and is a new method for entering the strong electric field; the invention uses the insulating rope and the metal rod to bear the force, greatly improves the operation reliability and the operation efficiency, effectively reduces the risks of personnel, equipment and a power grid in the operation, promotes the development of live-line operation maintenance of a power transmission network, and provides technical support for ensuring the safe and reliable operation of a power transmission line.
Claims (2)
1. A method for assisting an electric field to enter by adopting an insulating bottle supporting frame is characterized in that: the tool used in the method comprises an insulating bottle supporting frame and a seat plate, wherein the insulating bottle supporting frame comprises a triangular iron rod, a metal connecting ring and 2 bearing rods; two ends of the bottom of the triangular iron rod are respectively arranged on one end of the 2 bearing rods and can rotate around the shaft, the other ends of the 2 bearing rods are connected through a connecting rod, a metal connecting ring is fixed on the connecting rod, and a bracket is arranged between the 2 bearing rods; the seat board comprises two insulating boards, an underframe with handrails, a U-shaped clamping groove and an L-shaped clamping groove, wherein the two insulating boards are arranged in parallel; the front end of the insulating plate is connected with a U-shaped clamping groove; a clamping pin is arranged on the U-shaped clamping groove; the left end and the right end of the L-shaped clamping groove are respectively connected with the middle parts of the two insulating plates, and pins are arranged on the two clamping grooves; the rear end of the insulating plate is fixedly connected with the bottom of the underframe; the seat plate is arranged on the connecting rod and the bearing rod of the insulating bottle bracket through the U-shaped clamping groove and the L-shaped clamping groove and is fixed through the clamping pin and the pin; fixing a triangular iron rod on a triangular connecting plate of a tension tower connecting double-string insulator, connecting and fixing a metal connecting ring on a main bearing tower material above a replacement insulator by using an insulating rope, adjusting the insulating rope to keep an edge bottle supporting frame horizontal, enabling a potential electrician to enter a seat plate from a tower body, enabling the insulating bottle supporting frame to rotate in a horizontal plane by taking the top of the triangular iron rod as a circle center, bringing the potential electrician into an electric field in a rotating mode, detaching the seat plate by the equipotential electrician and hanging the seat plate on a conducting wire, and leaving the bottle supporting frame to complete the function of supporting a tension insulator string;
the triangular iron rod comprises a head part, a supporting part and a connecting part which are sequentially connected from top to bottom, the head part is a vertically arranged screw rod, and a butterfly nut is connected onto the screw rod; the supporting part is in a downward forked shape and is fixedly connected to the connecting part, the connecting part is in a rod shape, and two ends of the connecting part are respectively arranged on one end of the 2 bearing rods and can rotate from the shaft; the screw rod penetrates through a construction hole in the triangular connecting plate to fix the rear end of the insulating bottle bracket on the strain tower;
during insulating bottle support and bedplate two parts installation, the bearing pole of up wrapping insulating bottle support is down followed to U type draw-in groove, and then the bedplate has a down dip after moving one section distance towards insulating bottle support rear end horizontal migration, makes the connecting rod card of insulating bottle support rear end advance inside L type draw-in groove, prevents the bedplate and the separation of insulating bottle support through chucking pin and pin.
2. The method for assisting in entering an electric field by using the insulating bottle holder according to claim 1, wherein: the metal connecting ring is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911158698.9A CN110854736B (en) | 2019-11-22 | 2019-11-22 | Method for assisting electric field feeding by adopting insulating bottle supporting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911158698.9A CN110854736B (en) | 2019-11-22 | 2019-11-22 | Method for assisting electric field feeding by adopting insulating bottle supporting frame |
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| Publication Number | Publication Date |
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| CN110854736A CN110854736A (en) | 2020-02-28 |
| CN110854736B true CN110854736B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911158698.9A Active CN110854736B (en) | 2019-11-22 | 2019-11-22 | Method for assisting electric field feeding by adopting insulating bottle supporting frame |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112234501B (en) * | 2020-09-27 | 2022-05-03 | 国网山东省电力公司烟台供电公司 | Insulating flat ladder for live working of power transmission strain corner pole tower outer corner side lead into electric field and working method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5511237B2 (en) * | 2009-06-26 | 2014-06-04 | 株式会社Ｔｌｃ | Replacement method for supporting bolts of insulators for power transmission, and metal fittings used therefor |
| CN104505766B (en) * | 2014-12-02 | 2017-07-21 | 国家电网公司 | The instrument and method of a kind of charged for replacement transformer station 500kV strain insulator strings |
| CN108242779A (en) * | 2016-12-27 | 2018-07-03 | 云南电网有限责任公司红河供电局 | The apparatus and method of 10kV circuit earth potential live replacing tension-resistant rod insulators |
| CN107482532A (en) * | 2017-09-28 | 2017-12-15 | 乐志胜 | A kind of multi-purpose bottle-holding rack of adjustable electric power overhaul |
| CN207283054U (en) * | 2017-11-02 | 2018-04-27 | 云南电网有限责任公司红河供电局 | 220kV insulating insulator bracket auxiliary fixing devices |
| CN210297064U (en) * | 2019-09-02 | 2020-04-10 | 云南电网有限责任公司红河供电局 | Live-line work tool integrating insulating bottle supporting frame and potential transferring function |
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