CN113809683A - Method and system for replacing insulator string - Google Patents
Method and system for replacing insulator string Download PDFInfo
- Publication number
- CN113809683A CN113809683A CN202111242791.5A CN202111242791A CN113809683A CN 113809683 A CN113809683 A CN 113809683A CN 202111242791 A CN202111242791 A CN 202111242791A CN 113809683 A CN113809683 A CN 113809683A
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- Prior art keywords
- insulator string
- hoist
- replaced
- wire
- connecting plate
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- Pending
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- 239000012212 insulator Substances 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 3
- 241000219122 Cucurbita Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Electric Cable Installation (AREA)
- Insulators (AREA)
Abstract
The invention discloses a method and a system for replacing an insulator string, wherein the method comprises the following steps: s1, mounting a wire twisting hardware fitting on the lead of the insulator string to be replaced, and connecting one end of the wire twisting hardware fitting to the three-hole connecting plate; s2, connecting one end of a hoist to the three-hole connecting plate, and connecting the other end of the hoist to a tower; s3, mounting a bottle supporting frame on the hoist, wherein the bottle supporting frame is arranged on the outer side of the insulator string to be replaced; s4, mounting a pulley on the tower, mounting a pull rope on the pulley, and connecting one end of the pull rope with the insulator string to be replaced and the other end of the pull rope with the new insulator string; s5, tightening the hinges to loosen and replace the insulator string to be replaced, installing a new insulator string and loosening the hinges. The invention solves the problems of heavy equipment, long time consumption, low working efficiency and easy overturn of the porcelain insulator in the replacement process in the existing replacement method.
Description
Technical Field
The invention relates to the technical field of transmission line operation, in particular to a method and a system for replacing an insulator string.
Background
The method has very important practical significance for strengthening management risk prevention and control, improving the working efficiency and improving the traditional and low-efficiency maintenance method.
The replacement of the traditional high-voltage overhead transmission line double-string insulator connecting hardware tool depends on the mechanical winching, more workers are needed, the method is heavy, the time consumption is long, the working efficiency is low, and meanwhile, the porcelain bottle is stabilized by the steel wire sleeve, so that the porcelain bottle is inconvenient to overhaul and easy to overturn.
Disclosure of Invention
The invention aims to provide a method and a system for replacing an insulator string, and solves the problems that equipment adopted by the existing replacing method is heavy, long in time consumption and low in working efficiency, and a porcelain bottle is prone to toppling in the replacing process.
The invention is realized by the following technical scheme:
a method of replacing an insulator string comprising the steps of:
s1, installing a wire twisting hardware fitting on the lead of the insulator string to be replaced, winding the wire twisting hardware fitting on the lead, and connecting one end of the wire twisting hardware fitting to a three-hole connecting plate for connecting the insulator string to be replaced and the lead;
s2, connecting one end of a hoist to the three-hole connecting plate, and connecting the other end of the hoist to a tower;
s3, mounting a bottle supporting frame on the hoist, wherein the bottle supporting frame is arranged on the outer side of the insulator string to be replaced, and the porcelain bottle of the insulator string to be replaced can slide on an inner rail of the bottle supporting frame;
s4, mounting a pulley on the tower, mounting a pull rope on the pulley, and connecting one end of the pull rope with the insulator string to be replaced and the other end of the pull rope with the new insulator string;
s5, tightening a hinge of the hoist, loosening the insulator string to be replaced, pulling a pull rope to enable the insulator string to be replaced to slide on an inner rail of the bottle supporting frame, taking out the insulator string to be replaced to enable the insulator string to be replaced to move downwards under the action of gravity, enabling the new insulator string to move upwards at the same time, placing the new insulator string on the bottle supporting frame and moving, installing the new insulator string, and loosening the hinge.
The three-hole connecting plate is a structure which exists when the insulator string is installed, the wire twisting hardware fitting has the effect that the hoist is connected between the tower and the lead through the three-hole connecting plate, the three-hole connecting plate is combined with the lead wire twisting hardware fitting to provide transverse tension for the hoist, the hoist bears all tension of the lead in the whole replacing process, and the double-string insulator connecting hardware fitting can be loosened through the tightening hinge so as to be convenient to take off; during operation, the insulator and the connecting hardware fitting can be taken off through the inner rail in the bottle supporting frame, the insulator is effectively prevented from overturning, and the operation safety is improved.
When the pull rope frame works, two ends of the pull rope frame are respectively bound on the new insulator string and the old insulator string and the connecting hardware fitting, the pull rope penetrates through the pulley, the new insulator can be conveniently pulled to a tower by using the weight of the old insulator, labor is greatly saved, and field workers are reduced.
The whole set of tools related to the method only comprise a wire stranding hardware fitting, a hoist, a bottle supporting frame, a pull rope and a pulley. Compared with the conventional operation method, the method has the advantages that the whole set of tools is small in size, the tools are more portable and convenient to operate, field workers can be effectively reduced, the working time is shortened, the operation efficiency is improved, meanwhile, the insulator can be effectively prevented from overturning, and the operation safety is improved.
Further, the stranded wire hardware is a steel preformed stranded wire which is connected with the lead through friction between the stranded wire hardware and the lead.
Further, the bottle supporting frame is bound on the gourd through a binding rope.
Furthermore, one end of the wire twisting hardware fitting is connected with the holes on the three-hole connecting plate through a fixing ring.
Furthermore, one end of the hoist is connected with the three-hole connecting plate through a U-shaped ring, and the other end of the hoist is connected with the tower through a steel wire sleeve.
Furthermore, when the two ends of the pull rope are respectively connected with the insulator string to be replaced and a new insulator string, the pull ropes arranged on the two sides of the pulley are obliquely arranged.
A replacing system comprises a tower, a three-hole connecting plate and a lead, wherein one end of an insulator string to be replaced is connected with the tower, the other end of the insulator string to be replaced is connected with the lead through the three-hole connecting plate, and the replacing system also comprises a hoist, a bottle supporting frame, a wire twisting hardware fitting, a pulley and a pull rope;
the wire twisting hardware fitting is wound on the conducting wire, and one end of the wire twisting hardware fitting is detachably connected with the three-hole connecting plate;
two ends of the hoist are respectively connected with the three-hole connecting plate and the tower;
the bottle supporting frame is detachably connected to the hoist;
the pulley is installed on the shaft tower, the pulley sets up the stay cord, the both ends of stay cord be used for respectively with wait to change insulator chain and the detachable connection of new insulator chain.
When the insulator string is used, two ends of the insulator string are respectively installed on the two three-hole connecting plates, the two three-hole connecting plates are respectively provided with the U-shaped hanging plate, the U-shaped hanging plate on one three-hole connecting plate is connected with the U-shaped hanging plate on the tower through the O-shaped hanging plate, the U-shaped hanging plate on the other three-hole connecting plate is connected with the other three-hole connecting plate through the O-shaped hanging plate, and the three-hole connecting plates are connected with the lead.
Furthermore, the wire twisting hardware fitting is a steel pre-twisted wire, and one end of the wire twisting hardware fitting is connected with the holes in the three-hole connecting plate through the fixing ring.
Further, the bottle supporting frame is bound on the gourd through a binding rope.
Furthermore, one end of the hoist is connected with the holes on the three-hole connecting plate through the U-shaped ring, and the other end of the hoist is connected with the tower through the steel wire sleeve.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention improves the method for replacing the insulator string, replaces the motorized winching with the portable hoist, replaces the wire chuck with the wire twisting hardware fitting, has small volume of the whole set of tool, lighter and faster tool and more convenient operation, effectively reduces the field working personnel, shortens the working time, improves the working efficiency, and simultaneously replaces the steel wire sleeve with the bottle supporting frame, thereby facilitating the maintenance work, effectively preventing the porcelain bottle from overturning and improving the working safety.
2. The wire twisting hardware fitting can be firmly fixed by utilizing the grip force and the friction force between the wire twisting hardware fitting and the wire, so that the operation safety is improved; the problem that double-string insulator strings are difficult to tighten is solved by using the hoist, and workers on the tower are greatly reduced.
3. The insulator string replacing device solves the problem that the insulator string is easy to overturn through the insulator support, improves the safety of operation, and improves the replacing efficiency by providing the insulator support for the insulator string.
4. According to the invention, by matching the pulleys and the pull ropes, the new insulator can be conveniently pulled to the tower by using the weight of the old insulator, so that the labor is saved, and the field workers are reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic illustration of the system of the present invention after installation;
FIG. 2 is a schematic diagram of the present invention for removing a used insulator string;
fig. 3 is a schematic diagram of the present invention moving a new insulator string upward.
Reference numbers and corresponding part names in the drawings:
1-pole tower, 2-gourd, 3-bottle supporting frame, 4-insulator string to be replaced, 5-three-hole connecting plate, 6-stranded wire hardware fitting, 7-lead, 8-pulley, 9-pull rope and 10-new insulator string.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1 to 3, a method for replacing an insulator string includes the following steps:
s1, installing a wire twisting hardware fitting 6 on the lead 7 of the insulator string 4 to be replaced, winding the wire twisting hardware fitting 6 on the lead 7, and connecting one end of the wire twisting hardware fitting 6 to the three-hole connecting plate 5 for connecting the insulator string to be replaced and the lead 7;
s2, connecting one end of the hoist 2 to the three-hole connecting plate 5, and connecting the other end of the hoist 2 to the tower 1;
s3, installing a bottle supporting frame 3 on the hoist 2, wherein the bottle supporting frame 3 is arranged on the outer side of the insulator string 4 to be replaced, and the porcelain bottle of the insulator string 4 to be replaced can slide on an inner rail of the bottle supporting frame 3;
s4, mounting a pulley 8 on the tower 1, mounting a pull rope 9 on the pulley 8, connecting one end of the pull rope 9 with the insulator string 4 to be replaced, and connecting the other end of the pull rope 9 with a new insulator string 10;
s5, loosening the insulator string 4 to be replaced by tightening the hinge of the hoist 2, pulling the pull rope 9 to enable the insulator string 4 to be replaced to slide on the inner rail of the bottle supporting frame 3, taking out the insulator string 4 to be replaced to enable the insulator string 4 to be replaced to move downwards under the action of gravity as shown in fig. 2, simultaneously moving the new insulator string 10 upwards, placing the new insulator string 10 on the bottle supporting frame 3 and moving as shown in fig. 3, then installing the new insulator string 10, and loosening the hinge.
In the embodiment, when the two ends of the pull rope 9 are respectively connected with the insulator string 4 to be replaced and the new insulator string 10, the pull ropes 9 arranged on the two sides of the pulley 8 are both arranged obliquely, and the new insulator string 10 is arranged on the ground and is not positioned right below the pulley 8.
The system used in the embodiment comprises a tower 1, a three-hole connecting plate 5 and a lead 7, wherein one end of an insulator string 4 to be replaced is connected with the tower 1, and the other end of the insulator string is connected with the lead 7 through the three-hole connecting plate 5, and the system further comprises a hoist 2, a bottle supporting frame 3, a twisted wire fitting 6, a pulley 8 and a pull rope 9;
the wire twisting hardware fitting 6 is wound on the lead 7, and one end of the wire twisting hardware fitting 6 is detachably connected with the three-hole connecting plate 5;
two ends of the hoist 2 are respectively connected with the three-hole connecting plate 5 and the tower 1;
the bottle supporting frame 3 is detachably connected to the hoist 2;
the pulley 8 is installed on the tower 1, the pulley 8 is provided with a pull rope 9, and two ends of the pull rope 9 are detachably connected with the insulator string 4 to be replaced and the new insulator string 10 respectively.
In this embodiment, the wire twisting hardware fitting 6 is a steel pre-twisted wire, and one end of the wire twisting hardware fitting 6 is connected with the hole on the three-hole connecting plate 5 through a fixing ring.
The bottle supporting frame 3 is bound on the hoist 2 through a binding rope.
One end of the hoist 2 is connected with the hole on the three-hole connecting plate 5 through a U-shaped ring, and the other end of the hoist is connected with the tower 1 through a steel wire sleeve.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method of replacing an insulator string, comprising the steps of:
s1, installing a wire twisting hardware fitting (6) on a lead (7) of the insulator string (4) to be replaced, winding the wire twisting hardware fitting (6) on the lead (7), and connecting one end of the wire twisting hardware fitting (6) to a three-hole connecting plate (5) for connecting the insulator string to be replaced and the lead (7);
s2, connecting one end of a hoist (2) to the three-hole connecting plate (5), and connecting the other end of the hoist to the tower (1);
s3, installing a bottle supporting frame (3) on the hoist (2), wherein the bottle supporting frame (3) is arranged on the outer side of the insulator string (4) to be replaced, and the porcelain bottle of the insulator string (4) to be replaced can slide on an inner rail of the bottle supporting frame (3);
s4, mounting a pulley (8) on the tower (1), mounting a pull rope (9) on the pulley (8), connecting one end of the pull rope (9) with the insulator string (4) to be replaced, and connecting the other end of the pull rope (9) with a new insulator string (10);
s5, tighten up the hinge of hoist (2), loosen insulator string (4) to be replaced, pull stay cord (9), make insulator string (4) to be replaced slide on the inner rail of bottle support (3), take out insulator string (4) to be replaced and make insulator string (4) to be replaced move down under the action of gravity, new insulator string (10) upward movement simultaneously, place new insulator string (10) in bottle support (3) and move, then install new insulator string (10), loosen the hinge.
2. The method for replacing an insulator string according to claim 1, wherein the wire hardware (6) is a steel preformed wire which is connected with the conducting wire (7) through friction force between the preformed wire and the conducting wire (7).
3. The method for replacing the insulator string according to claim 1, wherein the bottle supporting frame (3) is bound on the hoist (2) through a binding rope.
4. The method for replacing the insulator string according to claim 1, wherein one end of the wire twisting hardware (6) is connected with the hole on the three-hole connecting plate (5) through a fixing ring.
5. The method for replacing the insulator string according to claim 1, wherein one end of the hoist (2) is connected with the three-hole connecting plate (5) through a U-shaped ring, and the other end of the hoist is connected with the tower (1) through a steel wire sleeve.
6. The method for replacing the insulator string according to claim 1, characterized in that when the two ends of the pull rope (9) are respectively connected with the insulator string (4) to be replaced and a new insulator string (10), the pull rope (9) arranged at the two sides of the pulley (8) is obliquely arranged.
7. The system for the method according to any one of claims 1 to 6, comprising a tower (1), a three-hole connecting plate (5) and a wire (7), wherein one end of the insulator string (4) to be replaced is connected with the tower (1), and the other end of the insulator string is connected with the wire (7) through the three-hole connecting plate (5), and the system is characterized by further comprising a hoist (2), a bottle supporting frame (3), a wire twisting hardware fitting (6), a pulley (8) and a pull rope (9);
the wire twisting hardware fitting (6) is wound on the lead (7), and one end of the wire twisting hardware fitting (6) is detachably connected with the three-hole connecting plate (5);
two ends of the hoist (2) are respectively connected with the three-hole connecting plate (5) and the tower (1);
the bottle supporting frame (3) is detachably connected to the hoist (2);
pulley (8) are installed on shaft tower (1), pulley (8) set up stay cord (9), the both ends of stay cord (9) are used for respectively with waiting to change insulator chain (4) and new insulator chain (10) detachable connection.
8. The system according to claim 7, wherein the wire hardware (6) is a steel preformed wire, and one end of the wire hardware (6) is connected with the hole on the three-hole connecting plate (5) through a fixing ring.
9. System according to claim 7, characterized in that the bottle carrier (3) is bound to the hoist (2) by a binding rope.
10. The system according to claim 7, characterized in that the hoist (2) is connected with the holes on the three-hole connecting plate (5) through a U-shaped ring at one end and is connected with the tower (1) through a wire sleeve at the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242791.5A CN113809683A (en) | 2021-10-25 | 2021-10-25 | Method and system for replacing insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242791.5A CN113809683A (en) | 2021-10-25 | 2021-10-25 | Method and system for replacing insulator string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113809683A true CN113809683A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111242791.5A Pending CN113809683A (en) | 2021-10-25 | 2021-10-25 | Method and system for replacing insulator string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113809683A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552482A (en) * | 2022-03-18 | 2022-05-27 | 广东电网有限责任公司 | Insulator replacement tool |
| CN117712915A (en) * | 2023-12-05 | 2024-03-15 | 江苏恒康电力科技有限公司 | Maintenance device and maintenance method for drilling span type angle steel tower insulator |
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2021
- 2021-10-25 CN CN202111242791.5A patent/CN113809683A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552482A (en) * | 2022-03-18 | 2022-05-27 | 广东电网有限责任公司 | Insulator replacement tool |
| CN117712915A (en) * | 2023-12-05 | 2024-03-15 | 江苏恒康电力科技有限公司 | Maintenance device and maintenance method for drilling span type angle steel tower insulator |
| CN117712915B (en) * | 2023-12-05 | 2024-06-11 | 江苏恒康电力科技有限公司 | Maintenance device and maintenance method for drilling span type angle steel tower insulator |
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Application publication date: 20211217 |