CN113852003A - 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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- CN113852003A CN113852003A CN202111136351.1A CN202111136351A CN113852003A CN 113852003 A CN113852003 A CN 113852003A CN 202111136351 A CN202111136351 A CN 202111136351A CN 113852003 A CN113852003 A CN 113852003A
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- hanging
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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 wire hanging pulley combination tool for equipotential operation of a power transmission line, and belongs to the technical field of live-line maintenance tools of the power transmission line. Including insulating loop bar, the cover is equipped with the roller bearing device that can follow the reciprocal slip of insulating loop bar length direction on the insulating loop bar, and the hanging wire coaster is installed to roller bearing device below, and spacing block that plays limiting displacement is installed to insulating loop bar one end, and the wire fork is installed to the spacing block below. The invention has safe and reliable hanging, flexible adjustment and convenient installation, and solves the problem of inconvenient transmission and installation of tools for equipotential operation entering an electric field by using an insulated rope ladder flying method of a power transmission line.
Description
Technical Field
The invention relates to a wire hanging pulley combination tool for equipotential operation of a power transmission line, in particular to a transfer tool for hanging a runaway at the front end of an insulating rope ladder on a live wire, and belongs to the technical field of live maintenance tools of the power transmission line.
Background
In the operation process of the power transmission line, the defects of strand breakage of a wire of the power transmission line, spacer loss, sliding of a vibration damper and the like often occur, and in order to ensure safe operation and uninterrupted continuous power supply of the power transmission line, an equipotential operation mode such as an insulating rope ladder galloping method is generally adopted for processing.
In order to hang the overhead travelling crane at the front end of the insulating rope ladder on a live wire, a bucket 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 action bars to choose the fill pulley with insulating transmission rope to electrified wire department, installs the one end pulley of fill pulley on the wire, then uses insulating transmission rope to hang the driving of connecting the rope ladder on the wire through the other end pulley. The existing following bucket pulley is provided with two pulleys and a matched metal iron plate, the self weight is large, and meanwhile, an insulated endless rope ring is connected to the following bucket pulley, so that the weight of the whole set of equipment is increased. Taking 220kV overhead line as an example, the following equipment is installed from a bucket pulley hanging point to a cross arm: the total length of the device is more than 4 meters. Normally, the operator standing on the crossarm cannot be on the same vertical plane as the work conductor, and therefore the length of the hand-held insulated operating rod must be increased to reach the work site. After comprehensive measurement and calculation, the length of the insulating operating rod held by an operator is about 5 meters. When the operating personnel installed a whole set of fill pulley equipment on the wire through handheld 5 meters's insulating bar, the following condition can appear: 1. the physical ability of the operators is insufficient, and the operators cannot install the equipment; 2. the insulating bar bending after the atress is serious, and the pole body shake can not be smoothly with installing on the wire with the fill coaster opening, and after the operation personnel tried several times, physical power descends fast, can't flip a whole set of equipment. Therefore, the existing heel bucket pulley has high requirements on physical ability and technology of operators.
In order to ensure uninterrupted power supply of the whole line and reduce the power failure times, aiming at the factors for limiting the work, the wire hanging pulley for equipotential operation of the power transmission line is urgently needed to be developed, the physical energy consumption is reduced, and safe and reliable operation is ensured.
Disclosure of Invention
The invention aims to solve the problems and provides a hanging wire tackle combination tool for equipotential operation of a power transmission line and a galloping hanging method.
The invention discloses a wire hanging pulley combination tool for equipotential operation of a power transmission line, which is characterized by comprising an insulating loop bar, wherein a roller device capable of sliding in a reciprocating manner along the length direction of the insulating loop bar is sleeved on the insulating loop bar, a wire hanging pulley is arranged below the roller device, one end of the insulating loop bar is provided with a limiting part for limiting, and a wire fork is arranged below the limiting part;
preferably, the insulating loop bar comprises an insulating bar, the limiting part comprises a metal head which is rotatably connected to one end of the insulating bar, the wire fork is installed below the metal head, the interior of the metal head is of a hollow structure, the slope-shaped limiting plate is installed inside the metal head, and one end, with the high position, of the limiting plate is located outside the metal head;
preferably, a round hole is formed in the lower end of the limiting plate, 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 mounted below the roller, each hanging lug is composed of two spaced hanging arms, a hanging lug buckle is arranged between the two hanging arms and is arc-shaped, one end of each hanging lug buckle is hinged to the corresponding hanging arm through a pin, a pressure spring is mounted at the other end of each hanging lug buckle, and one end of each pressure spring is mounted on the corresponding hanging arm;
preferably, the junction of the tops of the two hanging arms is triangular;
preferably, the hanging wire tackle comprises a limiting hook and a pulley, a pulley bolt is installed at the axle center of the pulley, two ends of the pulley bolt are located outside the pulley, the pulley is clamped between the two lugs and is limited to move up and down through a lug buckle, the bottom of the pulley is hinged to the limiting hook through a hinged 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 wire pulley combination tool for equipotential operation of a power transmission line, which is characterized by comprising the following steps:
1. the ground electrician penetrates the insulating rope into the pulley and connects the end of the insulating rope;
2. a ground potential electrician carries a transfer rope to climb to a cross arm of a tower operation phase, and the ground electrician transfers the wire hanging pulley combination tool to the tower;
3. a ground potential electrician crossly puts the wire on the operating phase wire and well connects the roller device and the wire hanging pulley;
4. the ground potential electrician sleeves the roller into the tail 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 moving to the limiting plate 4;
6. the ground potential electrician adjusts the opening direction of the limiting hook, and reduces the inclination angle of the insulating sleeve rod when the ground potential electrician reaches the position right above the wire, so that the wire can smoothly enter the limiting hook;
7. after the installation is finished, the limiting hook is reset, a ground potential electrician lifts the insulating sleeve rod, the limiting hook is pulled by a lead, so that the roller device is disconnected from the wire hanging pulley, and the wire hanging pulley is installed on the lead;
8. when all work is finished and the wire hanging pulley needs to be taken down, a ground potential electrician uses the hook of the wire fork of the insulating sleeve rod to insert into the hook hole, an operator picks up the insulating rod to open the limiting hook opening, and the wire hanging pulley is taken down from the wire to be conveyed to the ground.
Compared with the prior art, the invention can produce the following positive effects:
the invention completes the wire hanging pulley combination tool for the equipotential operation of the power transmission line, can effectively overcome the defects of the prior art, realizes the transmission and installation of the tool for the equipotential operation entering electric field by the overhead power transmission line insulation rope ladder flying method, 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 the operating personnel was when erection equipment, handheld weight was the weight of insulating bar, reduced current complete equipment weight of fill coaster with filling, reduced operating personnel technique, physical stamina requirement.
2. The roller structure is unique. The roller bearing device can carry the wire hanging pulley to slide along the insulating rod, an operator can sleeve the roller bearing into the insulating rod from the tail of the insulating rod, the insulating sleeve rod is inclined, the downward sliding speed of the roller bearing is controlled by adjusting the inclination angle, and the handheld weight of the operator is reduced.
3. The roller device is characterized by a hanging lug and buckle structure. The hanger buckle capable of doing circular motion around the pin is installed on the hanger, and a pressure spring is installed at the other end of the hanger buckle to provide supporting force for the hanger buckle. The hanging lug and the hanging lug are matched in a buckling mode, and the hanging wire tackle is conveyed to an operation position by clamping a pulley bolt on the hanging wire tackle. The operating personnel lifts the insulating sleeve rod, and the limiting hook is pulled by a wire, so that the lug buckle of the connected roller device is disconnected with the wire hanging pulley.
4. The metal head structure is unique. The metal head is hollow structure, and inside is equipped with the limiting plate, and limiting plate one end is opened has the round hole, 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 plays a role in limiting the opening degree, and after the roller passes through the limiting plate, the limiting plate plays a role in limiting the backward movement of the roller device under the effect 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 to smoothly reach the club head.
5. The structure of the wire-hanging pulley is unique. The limiting hook is connected with the pulley through a hinged bolt and can rotate around the hinged bolt. After the limiting hook is installed on the wire, the ground potential electrician lifts the insulating sleeve rod, the limiting hook is pulled by the wire, the connected roller device is disconnected from the wire hanging pulley, and the installation of the wire hanging pulley is completed. When the wire hanging pulley needs to be taken down, a ground potential electrician inserts the hook hole by using the hook of the wire fork of the insulating sleeve rod, an operator picks up the insulating rod to open the opening of the limiting hook, and the wire hanging pulley is taken down from the wire.
Drawings
FIG. 1: the invention discloses a structural schematic diagram of a wire hanging pulley combination tool for equipotential operation of a power transmission line;
FIG. 2: the roller device is schematically shown in the structure.
In the figure: 1. an insulating rod; 2. a metal head; 3. a wire fork; 4. a limiting plate; 5. Fixing a column; 6. a limiting spring; 7. a roller; 8. hanging a lug; 8-1, hanging arms; 9. a pin; 10. a lug is buckled; 11. a pressure spring; 12. a limiting hook; 13. a pulley; 14. a hook hole; 15. an insulating cord; 16. a circular hole; 17. a pulley bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The wire hanging pulley combination tool for equipotential operation of a power transmission line comprises an insulating loop bar, wherein a roller device capable of sliding in a reciprocating mode along the length direction of the insulating loop bar is sleeved on the insulating loop bar, a wire hanging pulley is installed below the roller device, a limiting part for limiting is installed at one end of the insulating loop bar, and a wire fork 3 is installed below the limiting part;
the specific structure of insulating loop bar: insulating loop bar includes insulator spindle 1, and the locating part is including connecing in the metal head 2 of 1 one end of insulator spindle soon, and wire fork 3 is installed in metal head 2 below, and 2 inside hollow structure that are of metal head, and 2 internally mounted of metal head have the limiting plate 4 that is slope form, and the high one end in limiting plate 4 position is located metal head 2 outsidely. The round hole 16 has been seted up to the low one end in limiting plate 4 position, and the round hole 16 suit is on fixed column 5, and 5 both ends of fixed column are installed on metal head 2, and limiting plate 4 middle section lower surface is connected with 6 one end of spacing spring, and the other end of spacing spring 6 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 spaced hanging arms 8-1, a hanging lug buckle 10 is arranged between the two hanging arms 8-1, the hanging lug buckles 10 are arc-shaped, one ends of the hanging lug buckles 10 are hinged to the hanging arms 8-1 through pins 9, pressure springs 11 are arranged at the other ends of the hanging arms 8-1, one ends of the pressure springs 11 are arranged on the hanging arms 8-1, and the top intersection of the two hanging arms 8-1 is triangular.
The insulating rod 1 is made of insulating materials, a thread is arranged in one end head of the insulating rod, and the insulating rod and a metal head 2 screw can be matched and screwed tightly. Play the effect of restriction aperture to limiting plate 4 through limiting spring 6, after roller 7 passes through limiting plate 4, under limiting spring 6's effect, limiting plate 4 plays the effect that the restriction roller device moves back. 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 to smoothly reach the club head.
The specific structure of the wire hanging pulley is as follows: the wire hanging pulley comprises a limiting hook 12 and a pulley 13, a pulley bolt 16 is installed at the axis of the pulley 13, two ends of the pulley bolt 16 are located outside the pulley 13, the pulley 13 is clamped between two hanging lugs 8 and is limited by a hanging lug buckle 10 to move up and down, the bottom of the pulley 13 is hinged to the limiting hook 12 through a hinge bolt 15, the limiting hook 12 is arc-shaped, and a hook hole 14 is installed in the limiting hook 12.
The hangers 8 are provided with hangers buckles 10 which can do circular motion around the pins 9, and the other ends of the hangers buckles 10 are provided with pressure springs 11 which provide supporting force for the hangers buckles 10. The hanging lug 8 and the hanging lug buckle 10 work cooperatively, and the hanging wire tackle is conveyed to an operation position by clamping the pulley bolt 17 on the hanging wire tackle. The pulley bolt 17 is hexagonal, and the junction of the tops of the two hanging arms 8-1 is triangular, so that the pulley bolt 17 can be just clamped at the junction of the triangles.
The hanging method of the wire hanging pulley combination tool for the 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 connects the end of the insulating rope 15;
2. a ground potential electrician carries a transfer rope to climb to a cross arm of a tower operation phase, and the ground electrician transfers the wire hanging pulley combination tool to the tower;
3. a ground potential electrician puts the wire fork 3 on the operating phase wire and connects the roller device and the wire hanging pulley;
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 downward 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 stops when the roller 7 moves to the limiting plate 4;
6. the ground potential electrician adjusts the opening direction of the limiting hook 12, and when the ground potential electrician reaches the position right above the lead, the inclination angle of the insulating sleeve rod is reduced, so that the lead smoothly enters the limiting hook 12;
7. after the installation is finished, the limiting hook 12 is reset, a ground potential electrician lifts the insulating sleeve rod, the limiting hook 12 is pulled by a lead, so that the roller device is disconnected from the wire hanging pulley, and the wire hanging pulley is installed on the lead;
8. when all work is finished and the wire hanging pulley needs to be taken down, a ground potential electrician uses the hook of the wire fork 3 of the insulating sleeve rod to insert into the hook hole 14, an operator picks up the insulating rod 1, opens the opening of the limiting hook 12, and the wire hanging pulley is taken down from the wire and is transmitted to the ground.
The invention has the advantages of safety, reliability, flexible adjustment and convenient installation, and solves the problem of inconvenient transmission and installation of tools for equipotential operation entering an electric field by using an insulated rope ladder flying method of a power transmission line.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a transmission line is hanging wire coaster combination tool for equipotential operation which characterized in that includes insulating loop bar, and the cover is equipped with the roller bearing device that can follow insulating loop bar length direction reciprocating sliding on the insulating loop bar, and the hanging wire coaster is installed to roller bearing device below, and insulating loop bar one end is installed and is played limiting displacement's locating part, and the wire fork is installed to the locating part below.
2. The wire hanging trolley combination tool for the equipotential operation of an electric transmission line according to claim 1, wherein the insulating sleeve rod comprises an insulating rod, the limiting member comprises a metal head screwed to one end of the insulating rod, the wire fork is installed below the metal head, the metal head is internally hollow, the metal head is internally provided with the slope-shaped limiting plate, and the end of the limiting plate, which is high in position, is located outside the metal head.
3. The wire hanging pulley combination tool for equipotential operation of a power transmission line according to claim 2, wherein the lower end of the limiting plate is provided with a circular hole, the circular hole is sleeved on a fixed column, two ends of the fixed column are mounted on the 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 mounted at the bottom of the metal head.
4. The wire hanging pulley combination tool for the equipotential operation of the power transmission line according to claim 2, wherein the roller device comprises a roller sleeved outside the insulating rod, two symmetrical hanging lugs are installed below the roller, each hanging lug is composed of two spaced hanging arms, a hanging lug buckle is arranged between the two hanging arms, the hanging lug buckle is in an arc shape, one end of each hanging lug buckle is hinged to the corresponding hanging arm through a pin, the other end of each hanging lug buckle is provided with a pressure spring, and one end of each pressure spring is installed on the corresponding hanging arm.
5. The wire-hanging tackle combination tool for electric transmission line equipotential operation according to claim 4, wherein the junction of the tops of the two hanging arms is triangular.
6. The wire-hanging pulley combination tool for equipotential operation of a power transmission line according to claim 4, wherein the wire-hanging pulley comprises a limiting hook and a pulley, a pulley bolt is installed at the axis of the pulley, two ends of the pulley bolt are located outside the pulley, the pulley is clamped between two lugs and is limited by a lug buckle to move up and down, 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 installed on the limiting hook.
7. The hanging method of the hanging trolley combination tool for the equipotential operation of the electric transmission line according to any one of claims 1 to 6, comprising the following steps:
1) the ground electrician penetrates the insulating rope into the pulley and connects the end of the insulating rope;
2) the ground potential electrician carries the transfer rope to climb to a cross arm of a tower operation phase, and the ground electrician transfers the wire hanging pulley combination tool to the tower;
3) the ground potential electrician crossly puts the wire on the operating phase wire and well connects the roller device and the wire hanging pulley;
4) the ground potential electrician sleeves the roller into the tail 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 moving to the limiting plate;
6) the ground potential electrician adjusts the opening direction of the limiting hook, and when the ground potential electrician reaches the position right above the wire, the inclination angle of the insulating sleeve rod is reduced, so that the wire smoothly enters the limiting hook;
7) after the installation is finished, the limiting hook is reset, a ground potential electrician lifts the insulating sleeve rod, the limiting hook is pulled by a lead, so that the roller device is disconnected from the wire hanging pulley, and the wire hanging pulley is installed on the lead;
8) when all work is finished and the wire hanging pulley needs to be taken down, a ground potential electrician uses the hook of the wire fork of the insulating sleeve rod to insert into the hook hole, the operating personnel selects the insulating rod to open the limiting hook opening, and the wire hanging pulley is taken down from the wire to be transmitted 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 |
|---|---|
| CN113852003A true CN113852003A (en) | 2021-12-28 |
| CN113852003B 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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| CN (1) | CN113852003B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
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| CN105390988A (en) * | 2015-12-17 | 2016-03-09 | 国家电网公司 | Ultra-high voltage power transmission line equipotential live working device and use method thereof |
| CN205178393U (en) * | 2015-12-17 | 2016-04-20 | 国家电网公司 | Super high tension transmission line equipotential live working device |
| CN209805246U (en) * | 2018-12-19 | 2019-12-17 | 国家电网有限公司 | Lifting system based on insulator string |
| CN113213346A (en) * | 2021-05-19 | 2021-08-06 | 中铁九局集团第二工程有限公司 | Long-sleeper embedded type ballastless track bed plate steel bar hoisting device and using method |
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2021
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| 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 |
| CN105305317A (en) * | 2015-12-11 | 2016-02-03 | 国网安徽省电力公司淮北供电公司 | Tool of suspending insulated flexible ladder on live wires |
| CN105390988A (en) * | 2015-12-17 | 2016-03-09 | 国家电网公司 | Ultra-high voltage power transmission line equipotential live working device and use method thereof |
| 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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| CN113213346A (en) * | 2021-05-19 | 2021-08-06 | 中铁九局集团第二工程有限公司 | Long-sleeper embedded type ballastless track bed plate steel bar hoisting device and using method |
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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 |
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| CN113852003B (en) | 2023-05-05 |
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