CN109462184B - Live working device for power transmission line and use method thereof - Google Patents
Live working device for power transmission line and use method thereof Download PDFInfo
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- CN109462184B CN109462184B CN201811614736.2A CN201811614736A CN109462184B CN 109462184 B CN109462184 B CN 109462184B CN 201811614736 A CN201811614736 A CN 201811614736A CN 109462184 B CN109462184 B CN 109462184B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
Abstract
The invention relates to the technical field of live working of power transmission lines, in particular to a live working device of a power transmission line and a using method thereof. The invention discloses a live working device of a power transmission line, which comprises: the device comprises an insulating hard ladder, an insulating connecting piece, a first insulating rope and a second insulating rope; the upper end of insulating hard ladder is connected with the cross arm of shaft tower or the body of the tower above the operation point through insulating connecting piece, and the first side of the lower extreme of insulating hard ladder is connected with ground through 1 piece at least first insulating rope, and the second side of the lower extreme of insulating hard ladder is connected with the body of the tower through 1 piece at least second insulating rope. The device structure is simple and easy, and easy operation replaces traditional insulating rope ladder with insulating hard ladder, has not only reduced equipotential operation personnel's physical demands, and simultaneously, insulating hard ladder can provide a firm operation platform for equipotential operation personnel, can effectively guarantee that equipotential operation personnel's home range is no longer than control distance, effectively guarantees the safety of work and develops.
Description
Technical Field
The invention relates to the technical field of live working of power transmission lines, in particular to a live working device of a power transmission line and a using method thereof.
Background
The common power transmission line maintenance modes comprise a power failure maintenance mode and a live-line maintenance mode, and compared with power failure operation, live-line operation is a new technology for maintenance and modification on running electrical equipment and is an important technical innovation for power production in China. Live working has great effects on ensuring safe and economic operation of a power grid, improving economic benefits of power supply enterprises and improving comprehensive economic benefits of electric power, and has become one of main modes for overhauling electric power equipment.
The main network live working mainly adopts an equipotential working method, and the working method of the equipotential working method can be summarized as follows: ground → insulator → human → charged body. The human body is insulated from the grounding body by the insulator, so that the human body can directly contact the charged body to perform operation. At present, the main working tool of the live working method for overhauling the jumper of the 110kV power transmission line is an insulating rope ladder, an operator is required to climb the rope ladder to a working position from the ground, the operator can consume large physical power, and meanwhile, when the jumper inclines outwards from the line, the rope ladder cannot be hung on the inner side of the jumper, and the safety distance cannot be effectively guaranteed.
Disclosure of Invention
The invention provides a live working device for a power transmission line and a using method thereof, and solves the problems that a large amount of physical strength of operators is easily consumed by an insulating rope ladder method, and the working safety distance of the operators cannot be effectively ensured.
The specific technical scheme is as follows:
the invention provides a live working device of a power transmission line, which comprises: the device comprises an insulating hard ladder, an insulating connecting piece, a first insulating rope and a second insulating rope;
the upper end of the insulating hard ladder is connected with a cross arm of a tower or a tower body above an operation point through the insulating connecting piece, the first side of the lower end of the insulating hard ladder is connected with the ground through at least 1 first insulating rope, and the second side of the lower end of the insulating hard ladder is connected with the tower body through at least 1 second insulating rope.
Preferably, the insulating connector is an insulating rope.
Preferably, the number of the first insulating ropes is 2, and the number of the second insulating ropes is 1;
the two ends of the first insulating rope are respectively connected with the first side of the lower end of the insulating hard ladder and the ground, the two ends of the second insulating rope are respectively connected with the second side of the lower end of the insulating hard ladder and the tower body, and the two ends of the second insulating rope are respectively connected with the second side of the lower end of the insulating hard ladder and the ground.
Preferably, when the upper end of the insulating hard ladder is connected with a cross arm of a tower through the insulating connecting piece, the cross arm is a cross arm mouth.
The invention also provides a using method of the live working device of the power transmission line, which comprises the following steps:
fixing the upper end of an insulating hard ladder on a tower body above a cross arm or an operation point of the tower through an insulating connecting piece, and fixing the lower end of the insulating hard ladder on the tower body through a second insulating rope;
s2: and adjusting a second insulating rope and a first insulating rope, adjusting the insulating hard ladder carrying the equipotential operating personnel to a preset position for overhauling the jumper, and fixing the second insulating rope and the first insulating rope to enable the equipotential operating personnel to overhaul the jumper.
Preferably, after S2, the method further comprises:
s3: and after the overhaul is finished, adjusting the second insulating rope and the first insulating rope, and returning the insulating hard ladder to the tower to finish the overhaul.
According to the technical scheme, the invention has the following advantages:
the invention provides a live working device for a power transmission line, which is simple in structure and only comprises an insulating hard ladder, an insulating connecting piece and an insulating rope. During operation, isoelectric operation personnel climb the bottom of insulating hard ladder through the tower pole, the insulating rope of second is put to the shaft tower staff, ground staff receives the first insulation rope, staff cooperation, draw insulating rope through receiving, thereby drive insulating hard ladder and remove to keeping away from the shaft tower direction, after the operation position of insulating hard ladder is confirmed, it is fixed with ground with the first insulation rope, the insulating rope of second is fixed with the shaft tower, thereby fixed insulating hard ladder, isoelectric operation personnel climb to operation position department along insulating hard ladder and carry out live working. The device easy operation, and replace traditional insulating rope ladder with insulating hard ladder, not only reduced equipotential operation personnel's physical demands, simultaneously, insulating hard ladder can provide a firm operation platform for equipotential operation personnel, and this is especially important in the less transmission line in operation space, can effectively guarantee that equipotential operation personnel's home range is no longer than control distance, effectively guarantees the safety of work and develoies.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 to fig. 3 are exploded views of an equipotential operator using a live working device of a power transmission line to repair a jumper according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an equipotential operator using a live-line work device of a power transmission line to overhaul a jumper wire according to an embodiment of the present invention;
wherein the reference numbers are as follows:
1. an insulating hard ladder; 2. a first insulating rope; 3. a second insulating rope; 4. a jumper wire; 5. a pole tower.
Detailed Description
The embodiment of the invention provides a live working device for a power transmission line and a using method thereof, which are used for solving the problems that a large amount of physical strength of operators is easily consumed by an insulating rope ladder method and the working safety distance of the operators cannot be effectively ensured.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it should be apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1, an equipotential operator according to an embodiment of the present invention implements live-line work.
The invention provides an embodiment of a live working device of a power transmission line, which comprises: the insulation ladder comprises an insulation hard ladder 1, an insulation connecting piece, a first insulation rope 2 and a second insulation rope 3;
the traditional insulating rope ladder is replaced by the insulating hard ladder 1, so that the physical consumption of equipotential operating personnel is reduced.
The upper end of the insulating hard ladder 1 is connected with a cross arm of a tower 5 or a tower body above an operation point through an insulating connecting piece, the first side of the lower end of the insulating hard ladder 1 is connected with the ground through at least 1 first insulating rope 2, and the second side of the lower end of the insulating hard ladder 1 is connected with the tower body through at least 1 second insulating rope 3.
In the embodiment of the invention, the upper end of the insulating hard ladder 1 is connected with the cross arm of the tower 5 through an insulating connecting piece.
The live working device for the power transmission line is simple in structure and only comprises an insulating hard ladder 1, an insulating connecting piece and an insulating rope.
The insulated cord is easily detachable and portable, thereby simplifying the live-wire work tool.
Insulating rope convenient control, in operation, isoelectric operation personnel climb up insulating hard ladder 1's bottom through the tower pole, insulating rope 3 of second is put to a shaft tower staff, a ground staff receives first insulation rope 2, two staff cooperation cooperations, draw insulating rope through receiving, thereby drive insulating hard ladder 1 and remove to keeping away from 5 directions of shaft tower, confirm behind insulating hard ladder 1's the operation position, it is fixed with first insulation rope 2 and ground, insulating rope 3 of second is fixed with shaft tower 5, thereby fixed insulating hard ladder 1, isoelectric operation personnel climb to operation position department along insulating hard ladder 1 and overhaul, this transmission line live working device operates very simply. The device transfers the equipotential operating personnel from the ground potential to the intermediate potential, and then transfers the equipotential operating personnel from the intermediate potential to the equipotential, namely, the equipotential operating personnel moves from the tower body to the suspended insulating hard ladder and then contacts with the jumper. Replace traditional insulating rope ladder, not only reduced equipotential operation personnel's physical demands, simultaneously, insulating hard ladder 1 can provide a firm operation platform for the equipotential operation personnel, and this is especially important in the less circuit in operation space, can effectively guarantee that equipotential operation personnel's home range is no longer than control distance, effectively guarantees the safety of work and develops.
It should be noted that the live working device for the transmission line and the use method thereof provided by the invention can be applied to 110kV transmission lines with small working space and 220kV transmission lines with single-loop jumper wires.
Further, the insulating connecting piece is an insulating rope.
Referring to fig. 2 to 4, an exploded view of an equipotential operator performing live-wire work according to an embodiment of the present invention is shown.
Further, in the embodiment of the present invention, the number of the first insulating ropes 2 is 2, and the number of the second insulating ropes 3 is 1.
The two ends of a first insulating rope 2 are respectively connected with the first side and the ground of the lower end of the insulating hard ladder 1, the two ends of a second insulating rope 3 are respectively connected with the second side and the tower body of the lower end of the insulating hard ladder 1, and the two ends of a second insulating rope 2 are respectively connected with the second side and the ground of the lower end of the insulating hard ladder 1.
As shown in fig. 1, two of three insulating ropes form a certain angle, and according to the triangular stability principle, the three insulating ropes are arranged, so that the insulating hard ladder 1 is more stable, and the safety of live working personnel is ensured.
Further, in the embodiment of the invention, when the upper end of the insulating hard ladder 1 is connected with the cross arm of the tower 5 through the insulating connecting piece, the cross arm is specifically a cross arm mouth.
The above is a detailed description of an embodiment of the live working device for power transmission line provided by the embodiment of the present invention, and the following is a detailed description of a method for using the live working device for power transmission line provided by the present invention.
The invention also provides a using method of the live working device of the power transmission line, which comprises the following steps:
s1: the upper end of an insulating hard ladder 1 is fixed on a cross arm of a tower 5 or a tower body above an operation point through an insulating connecting piece, and the lower end of the insulating hard ladder 1 is fixed on the tower body through a second insulating rope 2;
s2: adjust second insulating rope 3 and first insulating rope 2, after will carrying the insulating hard ladder of equipotential operation personnel and adjusting to the predetermined position of overhauing wire jumper 4, fixed second insulating rope 3 and first insulating rope 2 make equipotential operation personnel overhaul wire jumper 4.
Further, S2 is followed by:
s3: and after the overhaul is finished, adjusting the second insulating rope 3 and the first insulating rope 2, returning the insulating hard ladder 1 to the tower 5, and finishing the overhaul work.
In the embodiment of the invention, when the live-line operation device of the power transmission line is used, the upper end of an insulating hard ladder 1 is fixed on a cross arm mouth of a tower 5 through an insulating connecting piece, the lower end of the insulating hard ladder 1 is fixed on the tower body through a second insulating rope 3, an isoelectric operator climbs the lower end of the back side of the insulating hard ladder 1 from the tower, adjusts the second insulating rope 3 and the first insulating rope 2, adjusts the insulating hard ladder 1 carrying the equipotential operator to a preset position of an overhaul jumper 4, then the equipotential operator transfers from the back side of the insulating hard ladder 1 to the front side and climbs upwards, so that the safety of the equipotential operator is ensured, the second insulating rope 3 and the first insulating rope 2 are fixed, and the equipotential operator overhauls the jumper 4. After the overhaul is completed, the equipotential operating personnel move back to the lower end of the insulating hard ladder 1, the second insulating rope 3 and the first insulating rope 2 are adjusted, the insulating hard ladder 1 returns to the tower 5, and the equipotential operating personnel leave the insulating hard ladder 1 to complete the overhaul work.
The live working device for the power transmission line is simple in use method, easy to operate and safe in operation.
It should be noted that before the equipotential live working personnel get on the live working device of the power transmission line to overhaul the jumper 4, construction preparation work is required to be carried out:
1. preparing a tool required for detection;
2. the working responsible person carries out technical interaction with the peer potential operating personnel;
3. detecting whether the field climate meets the live working condition: when the ground humidity is more than 80%, live working can not be carried out;
4. detecting the insulating tool: cleaning the surface of the insulating tool, and confirming that the resistance of the insulating tool is more than or equal to 700M omega and the resistance of the whole shielding clothes is not more than 20 omega;
5. the equipotential staff wears the whole set of shielding clothes.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A live working device for a power transmission line, comprising: the device comprises an insulating hard ladder, an insulating connecting piece, a first insulating rope and a second insulating rope;
the number of the first insulating ropes is 2, and the number of the second insulating ropes is 1;
the upper end of the insulating hard ladder is connected with a cross arm of a tower or a tower body above an operation point through the insulating connecting piece, two ends of a first insulating rope are respectively connected with a first side and the ground of the lower end of the insulating hard ladder, two ends of a second insulating rope are respectively connected with a second side and the tower body of the lower end of the insulating hard ladder, and two ends of a second insulating rope are respectively connected with the second side and the ground of the lower end of the insulating hard ladder.
2. The live working device of the power transmission line according to claim 1, wherein the insulating connecting member is an insulating rope.
3. The live working device of the power transmission line according to claim 1, wherein when the upper end of the insulated hard ladder is connected with the cross arm of the tower through the insulated connecting piece, the cross arm is a cross arm mouth.
4. Use of the live working device of the transmission line according to any one of claims 1 to 3, characterized in that it comprises the following steps:
s1: fixing the upper end of an insulating hard ladder on a tower body above a cross arm or an operation point of the tower through an insulating connecting piece, and fixing the lower end of the insulating hard ladder on the tower body through a second insulating rope;
s2: and adjusting a second insulating rope and a first insulating rope, adjusting the insulating hard ladder carrying the equipotential operating personnel to a preset position for overhauling the jumper, and fixing the second insulating rope and the first insulating rope to enable the equipotential operating personnel to overhaul the jumper.
5. The use method according to claim 4, further comprising, after S2:
s3: and after the overhaul is finished, adjusting the second insulating rope and the first insulating rope, and returning the insulating hard ladder to the tower to finish the overhaul.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614736.2A CN109462184B (en) | 2018-12-27 | 2018-12-27 | Live working device for power transmission line and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614736.2A CN109462184B (en) | 2018-12-27 | 2018-12-27 | Live working device for power transmission line and use method thereof |
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| Publication Number | Publication Date |
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| CN109462184A CN109462184A (en) | 2019-03-12 |
| CN109462184B true CN109462184B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811614736.2A Active CN109462184B (en) | 2018-12-27 | 2018-12-27 | Live working device for power transmission line and use method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111668747B (en) * | 2020-05-08 | 2022-09-20 | 中国电力科学研究院有限公司 | Device and method for entering and exiting alternating-current extra-high voltage composite cross arm live working area |
| CN112357847B (en) * | 2020-11-17 | 2024-04-12 | 云南电网有限责任公司曲靖供电局 | Portable lifting auxiliary device for live working |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102185266B (en) * | 2011-05-13 | 2013-09-25 | 辽宁省电力有限公司辽阳供电公司 | Charged disconnecting and connecting method for large-section conducting wire of 66kV power transmission line |
| CN104518451A (en) * | 2013-09-29 | 2015-04-15 | 岳池县丽城环保科技有限公司 | Strain type scaling ladder |
| CN104638565A (en) * | 2015-01-30 | 2015-05-20 | 国家电网公司 | Method for performing equipotential live line work by putting +/-800kV tangent tower electric transmission line into electric field |
| CN105977863B (en) * | 2016-06-08 | 2018-09-11 | 国网甘肃省电力公司检修公司 | Power transmission line unmanned machine shooting rope has a power failure and live-line maintenance operation method |
| CN108390311A (en) * | 2018-03-15 | 2018-08-10 | 广东省输变电工程有限公司 | A kind of V-type insulator chain charged for replacement method of electric power line pole tower |
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Address after: 510600 No. 757 Dongfeng East Road, Guangzhou, Guangdong, Yuexiu District Patentee after: GUANGDONG POWER GRID Co.,Ltd. Patentee after: Guangdong Power Grid Energy Development Co.,Ltd. Address before: 510600 No. 757 Dongfeng East Road, Guangzhou, Guangdong, Yuexiu District Patentee before: GUANGDONG POWER GRID Co.,Ltd. Patentee before: GUANGDONG POWER TRANSMISSION AND TRANSFORMATION ENGINEERING Co.,Ltd. |