CN113852003B - Wire hanging pulley combination tool for equipotential operation of power transmission line and hanging method thereof - Google Patents
Wire hanging pulley combination tool for equipotential operation of power transmission line and hanging method thereof Download PDFInfo
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- CN113852003B CN113852003B CN202111136351.1A CN202111136351A CN113852003B CN 113852003 B CN113852003 B CN 113852003B CN 202111136351 A CN202111136351 A CN 202111136351A CN 113852003 B CN113852003 B CN 113852003B
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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 relates to a line hanging pulley combined tool for equipotential operation of a power transmission line, and belongs to the technical field of live overhaul tools of power transmission lines. The wire hanging pulley comprises an insulating sleeve rod, a roller device capable of sliding back and forth along the length direction of the insulating sleeve rod is sleeved on the insulating sleeve rod, a wire hanging pulley is arranged below the roller device, a limiting part with a limiting effect is arranged at one end of the insulating sleeve rod, and a wire fork is arranged below the limiting part. The invention has safe and reliable hanging, flexible adjustment and convenient installation, and solves the difficult problem that the transmission and installation of the electric field feeding tool for equipotential operation of the insulated flexible ladder flying car method of the transmission line are inconvenient.
Description
Technical Field
The invention relates to a line hanging pulley combined tool for equipotential operation of a power transmission line, in particular to a transfer tool for hanging a gallows at the front end of an insulating rope ladder on a live wire, and belongs to the technical field of live maintenance tools of power transmission lines.
Background
In the running process of the power transmission line, the defects of broken strands, missing spacers, sliding of a damper and the like of the power transmission line often occur, and in order to ensure safe running and uninterrupted continuous power supply of the power transmission line, an equipotential operation mode of an insulating rope ladder galloping method is generally adopted for treatment.
In order to hang the gallows at the front end of the insulating rope ladder on the electrified wire, a following pulley needs to be installed at first, and the existing mode is as follows: the ground potential electrician stands on the cross arm, uses the insulating operation rod to pick the skip pulley with the insulating transmission rope to the electrified wire, installs one end pulley of the skip pulley on the wire, and then uses the insulating transmission rope to hang the galloping connected with the rope ladder on the wire through the pulley at the other end. The existing skip pulley is provided with two pulleys and a matched metal iron plate, the self weight is high, and meanwhile, the skip pulley is connected with an insulating endless rope loop, and the weight of the whole equipment is increased. Taking 220kV overhead lines as an example, the following equipment is installed from the hanging point of the follow-up pulley to the cross arm: the total length of the U-shaped hanging ring, the extension ring, the front end connecting plate, the right-angle hanging plate, the ball head hanging ring, the tension insulator, the bowl head hanging plate, the rear end connecting plate, the wire crimping pipe and other devices is more than 4 meters. Normally, the operator standing on the cross arm cannot be on the same vertical plane as the working wire, and therefore must increase the length of the handheld insulating operating rod to reach the working point. After comprehensive measurement, the length of the insulating operating rod held by an operator is about 5 meters. When an operator installs the whole set of follow-up pulley equipment on a wire through holding an insulating operation rod of 5 meters, the following conditions can occur: 1. the physical ability of operators is insufficient, and equipment cannot be installed; 2. the insulating operating rod is severely bent after being stressed, the rod body can not smoothly install the opening of the follow-up pulley on the lead, and after the operator tries for several times, the physical strength is quickly reduced, and the whole equipment can not be picked up. Therefore, the use of the existing heel block puts high demands on the physical ability and technology of the operator.
In order to ensure uninterrupted power supply of the whole line and reduce the power failure times, aiming at the factors limiting the work, development of a line hanging pulley for equipotential operation of a power transmission line is urgently needed, physical energy consumption is reduced, and safe and reliable completion of the operation is ensured.
Disclosure of Invention
The invention aims to solve the problems, and provides a hanging wire pulley combination tool and a galloping hanging method for equipotential operation of a power transmission line, which are safe and reliable in hanging, flexible in adjustment and convenient to install, and solve the problem that the electric field feeding tool for equipotential operation of an insulated flexible ladder galloping method of the power transmission line is inconvenient to transmit and install.
The invention relates to a line hanging pulley combined tool for equipotential operation of a power transmission line, which is characterized by comprising an insulating sleeve rod, wherein a roller device capable of sliding reciprocally along the length direction of the insulating sleeve rod is sleeved on the insulating sleeve rod, a line hanging pulley is arranged below the roller device, a limiting part for limiting is arranged at one end of the insulating sleeve rod, and a wire fork is arranged below the limiting part;
preferably, the insulating sleeve rod comprises an insulating rod, the limiting piece comprises a metal head screwed at one end of the insulating rod, the wire fork is arranged below the metal head, the inside of the metal head is of a hollow structure, a slope-shaped limiting plate is arranged in the metal head, and one end of the high position of the limiting plate is positioned outside the metal head;
preferably, a round hole is formed in one end of the limiting plate, which is low in position, the round hole is sleeved on the fixing column, two ends of the fixing column are mounted on the metal head, the lower surface of the middle section of the limiting plate is connected with one end of the limiting spring, and the other end of the limiting spring is mounted at the bottom of the metal head;
preferably, the roller device comprises a roller sleeved outside the insulating rod, two symmetrical hanging lugs are arranged below the roller and are composed of two hanging arms which are spaced apart, hanging lug buckles are arranged between the two hanging arms and are arc-shaped, one end of each hanging lug buckle is hinged to the corresponding hanging arm through a pin, a pressure spring is arranged at the other end of each hanging lug buckle, and one end of each pressure spring is arranged on the corresponding hanging arm;
preferably, the intersection of the tops of the two hanging arms is triangular;
preferably, the hanging wire pulley comprises a limiting hook and a pulley, a pulley bolt is arranged at the axis of the pulley, two ends of the pulley bolt are positioned outside the pulley, the pulley is clamped between two hanging lugs, the pulley is limited to move up and down through the hanging lugs, the bottom of the pulley is hinged with the limiting hook through a hinge bolt, the limiting hook is arc-shaped, and a hook hole is formed in the limiting hook.
The invention relates to a hanging method of a hanging pulley combined tool for equipotential operation of a power transmission line, which is characterized by comprising the following steps of:
1. the ground electrician penetrates the insulating rope into the pulley and is connected with the end of the insulating rope;
2. the ground potential electrician carries a transmission rope to climb to a pole tower operation phase cross arm, and the ground electrician transmits a line hanging pulley combination tool to the tower;
3. the ground potential electrician fork the lead to the operation phase lead, and the roller device and the lead hanging pulley are connected;
4. the ground potential electrician sleeves the roller from the tail part of the insulating rod, inclines the insulating sleeve rod, and controls the sliding speed of the roller by adjusting the inclination angle;
5. the ground potential electrician adjusts the length of the insulating rope so as to control the position of the roller, and the roller stops when moving to the limiting plate 4;
6. the electrician of ground potential adjusts the opening direction of the spacing pothook, when reaching the wire directly above, reduce the oblique angle of the insulating sleeve rod, make the wire enter the spacing pothook smoothly;
7. after the installation is finished, the limiting hook is reset, an earth potential electrician lifts the insulating sleeve rod, the limiting hook is subjected to the tension of the lead, the roller device is disconnected with the wire hanging pulley, and the wire hanging pulley is installed on the lead;
8. when all works are completed, the ground potential electrician inserts the hooks of the wire fork of the insulating sleeve rod into the hook holes by using the hooks of the wire fork of the insulating sleeve rod, the insulating rod is lifted by an operator, the opening of the limiting hook is opened, and the wire hanging pulley is taken down from the wire and conveyed to the ground.
Compared with the prior art, the invention has the following positive effects:
the invention completes the line hanging pulley combined tool for equipotential operation of the transmission line, can effectively overcome the defects of the prior art, realizes the transmission and installation of the electric field feeding tool for equipotential operation of the insulated flexible ladder flying car method of the overhead transmission line, reduces the labor intensity of operators, improves the safety coefficient and the operation efficiency, and ensures the operation safety.
Compared with the prior art, the invention has the advantages that:
1. the labor intensity of operators is reduced. When an operator installs equipment, the weight of the hand-held device is the weight of the insulating operating rod, so that the weight of the whole set of equipment of the existing follow-up pulley is reduced, and the technical and physical requirements of the operator are reduced.
2. The roller structure is peculiar. The roller device can carry the hanging pulley to slide along the insulating rod, an operator sleeves the roller from the tail of the insulating rod and inclines the insulating sleeve rod, the sliding speed of the roller is controlled by adjusting the inclination angle, and the hand-held weight of the operator is reduced.
3. The special structure of the hanging lug buckle of the roller device. The hanger is provided with a hanger buckle capable of doing circular motion around the pin, and the other end of the hanger buckle is provided with a pressure spring for providing supporting force for the hanger buckle. The hanging lugs and the hanging lugs are matched with each other in a clamping mode, and the hanging wire pulley is conveyed to an operation position through the pulley bolts on the hanging wire pulley. The operator lifts the insulating sleeve rod, and the limiting hook is pulled by the lead, so that the hanging lug buckle of the roller device is connected well and the hanging wire pulley is disconnected.
4. The metal head is unique in structure. The metal head is hollow structure, is equipped with the limiting plate inside, and the round hole has been opened to limiting plate one end, and the round hole is fixed by the fixed column. The limiting spring is installed in the middle section of the limiting plate, the limiting plate is used for limiting the opening, and after the roller passes through the limiting plate, the limiting plate plays a role in limiting the retreating of the roller device under the action of the limiting spring. The other end of the limiting plate is slightly higher than the plane of the metal head, and when the roller device passes through the limiting plate, the limiting spring can be compressed and smoothly reaches the head.
5. The structure of the hanging pulley is peculiar. The limiting hook is connected with the pulley through the hinge bolt, and the limiting hook can rotate around the hinge bolt. When the limit hook is arranged on the wire, the ground potential electrician lifts the insulation sleeve rod, and the limit hook is pulled by the wire, so that the roller device and the wire hanging pulley are connected well and disconnected, and the wire hanging pulley is arranged. When the wire hanging pulley needs to be taken down, a ground potential electrician inserts hooks of wire forks of the insulating sleeve rods into the hook holes, the insulating rods are lifted up by operators, the openings of the limiting hooks are opened, and the wire hanging pulley is taken down from the wires.
Drawings
Fig. 1: the invention relates to a structural schematic diagram of a line hanging pulley combined tool for equipotential operation of a power transmission line;
fig. 2: the roller device is structurally schematic.
In the figure: 1. an insulating rod; 2. a metal head; 3. a wire fork; 4. a limiting plate; 5. Fixing the column; 6. a limit spring; 7. a roller; 8. hanging lugs; 8-1, hanging arms; 9. a pin; 10. the hanging lugs are buckled; 11. a pressure spring; 12. limiting hooks; 13. a pulley; 14. a hook hole; 15. an insulating rope; 16. a round hole; 17. pulley bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment relates to a line hanging pulley combined tool for equipotential operation of a power transmission line, which is shown in the accompanying drawings 1-2, and comprises an insulating sleeve rod, wherein a roller device capable of sliding back and forth along the length direction of the insulating sleeve rod is sleeved on the insulating sleeve rod, a line hanging pulley is arranged below the roller device, a limiting part for limiting is arranged at one end of the insulating sleeve rod, and a wire fork 3 is arranged below the limiting part;
the concrete structure of the insulating sleeve rod: the insulating loop bar includes insulating rod 1, and the locating part is including connecing in metal head 2 of insulating rod 1 one end soon, and wire fork 3 installs in metal head 2 below, and metal head 2 inside is hollow structure, and metal head 2 internally mounted has the limiting plate 4 that is the slope form, and the one end that limiting plate 4 position is high is located metal head 2 outside. The round hole 16 has been seted up to the low one end of limiting plate 4 position, and round hole 16 suit is on fixed column 5, and on metal head 2 was installed at the fixed column 5 both ends, limiting plate 4 middle section lower surface was connected with limiting spring 6 one end, and limiting spring 6 other end is installed in metal head 2 bottom.
The roller device comprises a roller 7 sleeved outside an insulating rod 1, two symmetrical hanging lugs 8 are arranged below the roller 7, each hanging lug 8 is composed of two hanging arms 8-1 which are spaced apart, a hanging lug buckle 10 is arranged between the two hanging arms 8-1, each hanging lug buckle 10 is arc-shaped, one end of each hanging lug buckle 10 is hinged to the corresponding hanging arm 8-1 through a pin 9, a pressure spring 11 is arranged at the other end of each hanging lug buckle 10, one end of each pressure spring 11 is arranged on the corresponding hanging arm 8-1, and the junction of the tops of the two hanging arms 8-1 is triangular.
The insulating rod 1 is made of insulating materials, one end is internally provided with threads, and the insulating rod can be screwed together with the metal head 2. The limiting spring 6 plays a role in limiting the opening degree of the limiting plate 4, and after the roller 7 passes through the limiting plate 4, the limiting plate 4 plays a role in limiting the retreating of the roller device under the action of the limiting spring 6. The other end of the limiting plate 4 is slightly higher than the plane of the metal head 2, and when the roller device passes through the limiting plate 4, the limiting spring 6 can be compressed and smoothly reaches the head.
The specific structure of the line hanging pulley is as follows: the hanging wire pulley comprises a limiting hook 12 and a pulley 13, a pulley bolt 17 is arranged at the axis of the pulley 13, two ends of the pulley bolt 17 are positioned outside the pulley 13, the pulley 13 is clamped between two hanging lugs 8, the pulley 13 is limited to move up and down through a hanging lug buckle 10, the bottom of the pulley 13 is hinged with the limiting hook 12 through a hinge bolt, the limiting hook 12 is arc-shaped, and a hook hole 14 is formed in the limiting hook 12.
The hanging lugs 8 are provided with hanging lug buckles 10 which can do circular motion around the pins 9, and the other ends of the hanging lug buckles 10 are provided with pressure springs 11 for providing supporting force for the hanging lug buckles 10. The hanging lugs 8 and the hanging lug buckles 10 work cooperatively, and the hanging wire pulley is sent to the operation position by clamping pulley bolts 17 on the hanging wire pulley. Because the pulley bolt 17 is hexagonal, and the junction at the top of the two hanging arms 8-1 is triangular, the pulley bolt 17 can be exactly clamped at the junction of the triangles.
The hanging method of the hanging pulley combined tool for equipotential operation of the power transmission line comprises the following steps:
1. the ground electrician penetrates the insulating rope 15 into the pulley 13 and is connected with the end head of the insulating rope 15;
2. the ground potential electrician carries a transmission rope to climb to a pole tower operation phase cross arm, and the ground electrician transmits a line hanging pulley combination tool to the tower;
3. the ground potential electrician puts the wire fork 3 on the operation phase wire, and the roller device and the wire hanging pulley are connected;
4. the ground potential electrician sleeves the roller 7 from the tail part of the insulating rod 1, inclines the insulating sleeve rod, and controls the sliding speed of the roller 7 by adjusting the inclination angle;
5. the ground potential electrician adjusts the length of the insulating rope 15 so as to control the position of the roller 7, and the roller 7 stops after moving to the limiting plate 4;
6. the electrician of ground potential adjusts the direction of opening of the spacing pothook 12, when reaching the wire directly above, reduce the oblique angle of the insulating sleeve rod, make the wire enter the spacing pothook 12 smoothly;
7. after the installation is finished, the limiting hook 12 is reset, an earth potential electrician lifts the insulating sleeve rod, the limiting hook 12 is subjected to the tension of the lead, the roller device is disconnected with the lead hanging pulley, and the lead hanging pulley is installed on the lead;
8. when all works are completed, the ground potential electrician inserts the hooks of the wire fork 3 of the insulating sleeve rod into the hook holes 14 by using the hooks of the wire fork 3 of the insulating sleeve rod, the operator lifts the insulating rod 1, the opening of the limiting hook 12 is opened, and the wire hanging pulley is taken down from the wire and conveyed to the ground.
The invention is safe and reliable, flexible in adjustment and convenient in installation, and solves the problem that the transmission and installation of the electric field feeding tool for equipotential operation of the insulated flexible ladder flying car method of the power transmission line are inconvenient.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a transmission line equipotential operation is with hanging wire coaster combination tool, its characterized in that includes insulating loop bar, is equipped with the roller device that can follow insulating loop bar length direction reciprocal slip on the insulating loop bar, installs the hanging wire coaster below the roller device, and the locating part that plays the limiting effect is installed to insulating loop bar one end, installs the wire fork below the locating part;
the insulation sleeve rod comprises an insulation rod, the limiting piece comprises a metal head screwed on one end of the insulation rod, the wire fork is arranged below the metal head, the inside of the metal head is of a hollow structure, a slope-shaped limiting plate is arranged in the metal head, and one end of the high position of the limiting plate is positioned outside the metal head;
the roller device comprises a roller sleeved outside the insulating rod, two symmetrical hanging lugs are arranged below the roller and are composed of two hanging arms which are spaced apart, hanging lug buckles are arranged between the two hanging arms, the hanging lug buckles are arc-shaped, one end of each hanging lug buckle is hinged to the corresponding hanging arm through a pin, a pressure spring is arranged at the other end of each hanging lug buckle, and one end of each pressure spring is arranged on the corresponding hanging arm;
the hanging wire pulley comprises a limiting hook and a pulley, a pulley bolt is arranged at the axis of the pulley, two ends of the pulley bolt are located outside the pulley, the pulley is clamped between two hangers, the pulley is limited to move up and down through the hangers, the bottom of the pulley is hinged with the limiting hook through a hinge bolt, the limiting hook is arc-shaped, and a hook hole is formed in the limiting hook.
2. The hanging pulley combination tool for equipotential operation of the power transmission line according to claim 1, wherein a round hole is formed at one end of the limiting plate, which is low in position, the round hole is sleeved on a fixed column, two ends of the fixed column are arranged on a metal head, the lower surface of the middle section of the limiting plate is connected with one end of a limiting spring, and the other end of the limiting spring is arranged at the bottom of the metal head.
3. A line hanging pulley combination tool for equipotential operation of a power transmission line according to claim 1, wherein the top junction of the two hanging arms is triangular.
4. A method for hooking a hooking block for equipotential operation of a transmission line according to any one of claims 1 to 3, characterized by comprising the steps of:
1) The ground electrician penetrates the insulating rope into the pulley and is connected with the end of the insulating rope;
2) The ground potential electrician carries a transmission rope to climb to a pole tower operation phase cross arm, and the ground electrician transmits a line hanging pulley combination tool to the tower;
3) The ground potential electrician fork the lead to the operation phase lead, and the roller device and the lead hanging pulley are connected;
4) The ground potential electrician sleeves the roller from the tail part of the insulating rod, inclines the insulating sleeve rod, and controls the sliding speed of the roller by adjusting the inclination angle;
5) The ground potential electrician adjusts the length of the insulating rope so as to control the position of the roller, and the roller stops when moving to the limiting plate;
6) The electrician of ground potential adjusts the opening direction of the limit hook, when reaching the position right above the wire, reduce the oblique angle of the insulating sleeve rod, make the wire enter the limit hook smoothly;
7) After the installation, the limit hook is reset, the ground potential electrician lifts the insulation sleeve rod, the limit hook is pulled by the lead, the roller device is disconnected with the line hanging pulley, and the line hanging pulley is installed on the lead;
8) When all works are completed and the wire hanging pulley is required to be taken down, a ground potential electrician uses the hooks of the wire fork of the insulating sleeve rod to insert the hook holes, an operator lifts the insulating rod, the opening of the limiting hook is opened, and the wire hanging pulley is taken down from the wire and conveyed to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136351.1A CN113852003B (en) | 2021-09-27 | 2021-09-27 | Wire hanging pulley combination tool for equipotential operation of power transmission line and hanging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136351.1A CN113852003B (en) | 2021-09-27 | 2021-09-27 | Wire hanging pulley combination tool for equipotential operation of power transmission line and hanging method thereof |
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| Publication Number | Publication Date |
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| CN113852003A CN113852003A (en) | 2021-12-28 |
| CN113852003B true CN113852003B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111136351.1A Active CN113852003B (en) | 2021-09-27 | 2021-09-27 | Wire hanging pulley combination tool for equipotential operation of power transmission line and hanging method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114597818A (en) * | 2022-03-22 | 2022-06-07 | 国网黑龙江省电力有限公司牡丹江供电公司 | Distribution network uninterrupted operation is with carrying thing hook |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205178393U (en) * | 2015-12-17 | 2016-04-20 | 国家电网公司 | Super high tension transmission line equipotential live working device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202678842U (en) * | 2012-07-13 | 2013-01-16 | 辽宁省电力有限公司营口供电公司 | A wire hanging tackle |
| CN105305317B (en) * | 2015-12-11 | 2018-01-23 | 国网安徽省电力公司淮北供电公司 | Live wire hangs the instrument of insulated flexible ladder |
| CN105390988B (en) * | 2015-12-17 | 2018-11-27 | 国家电网公司 | A kind of extra high voltage network Equipotential live working device and its application method |
| CN209805246U (en) * | 2018-12-19 | 2019-12-17 | 国家电网有限公司 | Lifting system based on insulator string |
| CN113213346B (en) * | 2021-05-19 | 2024-03-19 | 中铁九局集团第二工程有限公司 | Reinforcement lifting device for sleeper-embedded ballastless track bed plate and use method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205178393U (en) * | 2015-12-17 | 2016-04-20 | 国家电网公司 | Super high tension transmission line equipotential live working device |
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