CN108365560B - Semi-automatic replacement tool for jumper wire and hook wire clamp of overhead transmission line - Google Patents
Semi-automatic replacement tool for jumper wire and hook wire clamp of overhead transmission line Download PDFInfo
- Publication number
- CN108365560B CN108365560B CN201810268481.2A CN201810268481A CN108365560B CN 108365560 B CN108365560 B CN 108365560B CN 201810268481 A CN201810268481 A CN 201810268481A CN 108365560 B CN108365560 B CN 108365560B
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- clamp
- clamping plate
- groove
- plate
- bottom plate
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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Abstract
The invention discloses a semi-automatic replacement tool for a jumper parallel hook wire clamp of an overhead transmission line, which comprises a parallel hook wire clamp elastic fixing device, a parallel hook wire clamp cover plate spring clamp, a remote electric operation spanner and a magnetic attraction type sleeve; the invention utilizes the parallel hook clamp elastic fixing device and the parallel hook clamp cover plate spring clamp to place the parallel hook clamp on a wire, and then utilizes the magnetic sleeve and the electric spanner to tighten. The tool replacing operation steps are highly integrated, semi-automation is realized on the basis of simple manual operation, the operation is simple and convenient, the traditional operation method that personnel are required to equipotential or directly contact with a jumper wire after power failure is changed, the operation efficiency and the safety are greatly improved, and the live working development is promoted.
Description
Technical Field
The invention relates to a parallel hooking wire replacing tool, in particular to a semi-automatic replacing tool for a jumper and a parallel hooking wire clamp of an overhead transmission line.
Background
The overhead high-voltage transmission line is an important component of a power grid, the 220kV transmission line at present generally adopts double split conductors, the electric connection of a strain tower of the 220kV transmission line generally adopts a double jumper wire mode, the double jumper wires adopt a parallel hook wire clamp to fix two jumper wires to prevent the two jumper wires from whipping each other or swinging greatly, and meanwhile, a part of 110kV line jumper wires are used for connecting the rest materials of the conductors in parallel through the parallel hook wire clamp. However, as the line is subjected to the influence of natural environments such as blowing, galloping, raining, oxidation and the like in the running process, the defects of loosening or serious oxidation, even fracture and damage and the like of the parallel hook clamp bolt often occur, so that heating, whipping and damage are caused, and serious and even serious accidents of jumper wire fracture are caused.
Taking 220kV line as an example (110 kV line distance is narrower): because the spacing between the tension-resistant tower cross arms is generally about 3 meters, and the sag of the jumper is generally about 2.2 meters, if personnel directly enter the tension-resistant tower cross arms to perform equipotential operation, the space occupied by the personnel is deducted, the combined gap between the tension-resistant tower cross arms and the electrified jumper and the tower cross arms cannot meet 2.1 meters, or the safety distance requirement with the ground potential bodies such as the tower cross arms cannot meet 1.8 meters when the maintenance operation is performed on the jumper, and therefore, the replacement operation of the jumper parallel hook wire clamp is generally carried out in a power failure maintenance mode. Thus, the stability of the power grid is not facilitated, and huge power supply loss is formed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a tool capable of realizing semi-automatic replacement of a jumper wire and a hook wire clamp of an overhead transmission line.
A semi-automatic replacement tool for a jumper parallel hook wire clamp of an overhead transmission line comprises a parallel hook wire clamp elastic fixing device, a parallel hook wire clamp cover plate spring clamp, a remote electric operation spanner and a magnetic attraction type sleeve;
the parallel hook wire clamp elastic fixing device comprises an L-shaped bottom plate and an L-shaped clamping plate, wherein the L-shaped bottom plate and the clamping plate are oppositely arranged to form a U-shaped groove structure, the L-shaped bottom plate and the L-shaped clamping plate are arranged along the width direction of the U-shaped groove, the bottom edge of the bottom plate is of a sandwich structure, the bottom edge of the clamping plate is inserted into an interlayer at the bottom edge of the bottom plate, the width of the bottom edge of the clamping plate is smaller than that of the bottom edge of the bottom plate, the bottom edge of the clamping plate is connected with the side edge of the bottom plate through a spring, the spring extends along the width direction of the bottom edge of the clamping plate, the width between a side plate of the bottom plate and the side edge of the clamping plate is larger than that of the parallel hook wire clamp when the parallel hook wire clamp elastic fixing device is in a normal state, and the spring is also in a loosening normal state, the bottom edge of the bottom plate on the side of the clamping plate is provided with a through groove, the bottom edge of the clamping plate is also provided with a through groove, when the side edge of the clamping plate presses against the side edge of the bottom plate, the through groove of the bottom edge of the clamping plate is overlapped with the through groove of the bottom plate, the bottom of the bottom plate is also provided with a rotating shaft, the rotating shaft is perpendicular to the length direction of the bottom edge of the bottom plate, the rotating shaft is provided with a buckle, the buckle is clamped in the through groove when the through groove of the bottom edge of the clamping plate is overlapped with the through groove of the bottom plate to clamp the clamping plate, the rotating shaft rotates by an angle, the buckle is separated from the through groove, the clamping plate returns under the action of a spring restoring force, and one end of the rotating shaft is provided with a connecting device connected with an insulating operating rod;
the parallel hook wire clamp cover plate spring clamp comprises a clamp-shaped body, wherein a return spring is arranged at the handle end of the clamp-shaped body, the return spring is fixed between two handles of the clamp-shaped body, two ends of the return spring are respectively connected with the handles, and a connecting device connected with an insulating operating rod is arranged on one handle;
the magnetic sleeve accommodates the nut, the gasket and the elastic sheet at the same time;
the remote electric operation wrench is used for tightening the magnetic sleeve.
When the semi-automatic replacement tool for the overhead transmission line jumper wire and the parallel hook clamp is used, a parallel hook clamp base with a bolt is placed into a U-shaped groove of the parallel hook clamp elastic fixing device through the parallel hook clamp elastic fixing device (the width between a clamping plate and a bottom plate in the fixing device is larger than the width of the parallel hook clamp base at the moment), then the clamping plate is pressed, meanwhile, a rotating shaft on the parallel hook clamp elastic fixing device is rotated by an angle, so that the rotating shaft drives a buckle on the rotating shaft to rotate by an angle, the buckle clamps a through groove of the bottom plate and the clamping plate, the clamping plate and the bottom plate are positioned, the parallel hook clamp base in the groove is clamped to a corresponding working position to work, after the specified position is reached, the parallel hook clamp base is installed below a wire, a parallel hook clamp cover plate is clamped by a parallel hook clamp cover plate spring clamp, and then the parallel hook clamp cover plate spring clamp is pulled outwards to separate the parallel hook clamp from the bolt after the cover plate is placed on the bolt of the parallel hook clamp base by an insulating operation rod. The nut, the elastic sheet and the gasket of the parallel hook wire clamp bolt are sequentially placed in the magnetic attraction type sleeve, the magnetic attraction type sleeve is connected with the long-distance electric operation wrench, the gasket, the elastic sheet and the nut are installed into the screw rod by the long-distance electric operation wrench and are fastened in place, then the rotating shaft is rotated, the buckle of the rotating shaft is separated from the through groove on the clamping plate and the bottom plate, and the spring actively returns under the action of restoring force due to the fact that the limiting effect of the buckle is not achieved, so that the clamping plate returns, the parallel hook wire clamp base is loosened, and the whole parallel hook wire clamp is installed.
The middle part of the upper surface of the bottom edge of the bottom plate is provided with a groove which is convenient for accommodating the head part of the bolt.
The cross section of the upper surface of the bottom edge of the bottom plate is of a groove-shaped structure.
The groove-shaped structure is arranged to conveniently accommodate the bolt head.
The rotating shaft is provided with a pointer for indicating the position of the buckle, and the pointer is consistent with the pointing position of the buckle.
The position of the buckle can be conveniently observed by setting the pointer.
The buckle is arranged at the tail end of the rotating shaft and is perpendicular to the rotating shaft.
The working face of the clamp-shaped body clamp head of the parallel hook clamp cover plate spring clamp is provided with a limiting step.
When in use, the parallel hook clamp cover plate is supported on the limiting step surface so as to ensure the position during clamping.
The structure of the magnetic sleeve is as follows: comprises a sleeve body, wherein the front end of the sleeve body is provided with an aluminum alloy fixing ring, and a magnet is inlaid on the aluminum alloy.
The front end of the sleeve is provided with a firm aluminum alloy fixing ring, and the magnet is embedded on the aluminum alloy, so that the material cannot be demagnetized, and the instant impact force of the electric wrench in the using process can be born.
In summary, compared with the prior art, the invention has the following advantages:
the invention relates to a tool for semi-automatically replacing jumper wire and hook clamps of an overhead transmission line by a ground potential method, which comprises the following steps:
the elastic fixing device for the parallel hook wire clamp can firmly fix the bottom plate of the parallel hook wire clamp and can easily remove the fixing device after the parallel hook wire clamp is installed; the operation difficulty is greatly reduced by using the remote operating rod; the bottom of the parallel hook wire clamp elastic fixing device adopts a groove-shaped structural design, so that the integrated fixing and clamping installation of the parallel hook wire clamp base and the bolts thereof can be realized, the operation method that the parallel hook wire clamp base plate is fixed firstly by a traditional tool method and the bolts are installed one by one is changed by integrated installation, the problem of base plate fixing is solved, and meanwhile, the technical problem of hole alignment and perforation of the long-distance bolts is solved;
(2) According to the parallel hook clamp cover plate spring clamp, the parallel hook clamp cover plate is clamped more comprehensively and more firmly through the spring support, and meanwhile, the limiting steps are designed on the working surface of the clamp head to limit the clamping position, so that the penetrating bolt is not influenced; due to the adoption of a spring type connection design, the elasticity of the spring type clamp can be adjusted through screws, so that different cover plates can be firmly clamped, and the spring clamp is easy to remove after the parallel hook clamp cover plates are installed;
(3) The magnetic sleeve can firmly place the nut, the elastic sheet and the gasket, realize the integral installation of the bolt small fitting and solve the installation problem of the elastic sheet and the gasket.
The replacement tool effectively reduces the operation risk and improves the safe operation reliability of the equipment; meanwhile, the achievement is simple and convenient to use, reduces the workload of overhauling staff, improves the reliability of working operation, shortens the working time, improves the efficiency and greatly improves the work efficiency of field operation.
Drawings
Fig. 1 is a schematic structural view of the elastic fixing device for the parallel hook clamp of the present invention.
Fig. 2 is a front view of the parallel hook clamp spring retention device of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a cross-sectional view A-A of fig. 2.
Fig. 6 is a schematic structural view of a parallel hook clamp cover spring clamp.
Fig. 7 is an elevation view of a parallel hook clamp cover spring clamp.
Fig. 8 is a schematic structural view of the magnetic sleeve.
Fig. 9 is a cross-sectional view of a magnetically attractable sleeve.
Description of the reference numerals: 1. the parallel hook wire clamp elastic fixing device; 11. an L-shaped bottom plate; 12. an L-shaped clamping plate; 13. a spring; 14. a through groove; 15. a buckle; 16. a rotating shaft; 17. a groove-like cross section; 18. a pointer; 2. a parallel hook clamp cover plate spring clamp; 21. a pincer-like body; 22. a return spring; 23. a limit step; 3. a magnetic sleeve; 31. a sleeve body; 32. a fixing ring; 33. and (3) a magnet.
Description of the embodiments
The present invention will be described in more detail with reference to examples.
Example 1
A semi-automatic replacement tool for a jumper parallel hook wire clamp of an overhead transmission line comprises a parallel hook wire clamp elastic fixing device 1, a parallel hook wire clamp cover plate spring clamp 2, a remote electric operation wrench and a magnetic attraction sleeve 3;
the parallel hook wire clamp elastic fixing device comprises an L-shaped bottom plate 11 and an L-shaped clamping plate 12, wherein the L-shaped bottom plate and the clamping plate are oppositely arranged to form a U-shaped groove structure, the L-shaped bottom plate and the L-shaped clamping plate are arranged along the width direction of the U-shaped groove, the bottom edge of the bottom plate is of a sandwich structure, the bottom edge of the clamping plate is inserted into an interlayer at the bottom edge of the bottom plate, the width of the bottom edge of the clamping plate is smaller than that of the bottom edge of the bottom plate, the bottom edge of the clamping plate is connected with the side edge of the bottom plate through a spring 13, the width between a side plate of the bottom plate and the side edge of the clamping plate is larger than that of the parallel hook wire clamp when the parallel hook wire clamp elastic fixing device is in a normal state, the spring is also in a loosening normal state when the parallel hook wire clamp elastic fixing device is in a normal state, the bottom plate of the side of the clamping plate is provided with a through groove, the bottom edge of the clamping plate is also provided with a through groove 14, when the side edge of the clamping plate presses against the side edge of the bottom plate, the through groove of the bottom edge of the clamping plate is overlapped with the through groove of the bottom plate, the bottom of the bottom plate is also provided with a rotating shaft, the rotating shaft is perpendicular to the length direction of the bottom edge of the bottom plate, the rotating shaft is provided with a buckle 15, the buckle is clamped in the through groove when the through groove of the bottom edge of the clamping plate is overlapped with the through groove of the bottom plate, the rotating shaft 16 rotates by an angle, the buckle is separated from the through groove, the clamping plate returns under the action of a spring restoring force, and one end of the rotating shaft is provided with a connecting device connected with an insulating operating rod; the cross section 17 of the upper surface of the bottom edge of the bottom plate is of a groove-shaped structure. A pointer 18 indicating the position of the buckle is arranged on the rotating shaft, and the pointer is consistent with the pointing position of the buckle. The buckle is arranged at the tail end of the rotating shaft and is perpendicular to the rotating shaft.
The parallel hook wire clamp cover plate spring clamp comprises a clamp-shaped body 21, wherein a return spring is arranged at the handle end of the clamp-shaped body, the return spring is fixed between two handles of the clamp-shaped body, two ends of the return spring 22 are respectively connected with the handles, and a connecting device connected with an insulating operation rod is arranged on one handle; the working face of the clamp-shaped body clamp head of the parallel hook clamp cover plate spring clamp is provided with a limiting step 23.
The magnetic sleeve accommodates the nut, the gasket and the spring piece simultaneously, and the magnetic sleeve 3 has the structure that: comprises a sleeve body 31, an aluminum alloy fixing ring 32 is arranged at the front end of the sleeve body, and a magnet 33 is inlaid on the aluminum alloy.
The remote electric operation wrench is used for tightening the magnetic attraction type sleeve 3.
The using method of the semi-automatic replacement tool for the jumper wire and hook clamp of the overhead transmission line comprises the following steps: (1) After the worker climbs the pole tower, hoisting the working tool on the tower;
(2) Firstly, a parallel hook wire clamp base and bolts thereof are put into an independently-developed elastic fixing device of the parallel hook wire clamp;
(3) The jumper wire is placed into the base groove of the parallel hook wire clamp by utilizing the cooperation of the operating rod;
(4) Placing the parallel hook clamp cover plate into a bolt by utilizing an independently developed parallel hook clamp cover plate spring clamp;
(5) Sequentially placing a nut, an elastic sheet and a gasket of the parallel hook wire clamp bolt into a magnetic sleeve which is independently developed;
(6) The magnetic sleeve is connected with a long-distance electric operation wrench which is independently developed;
(7) A long-distance electric operation wrench is used for loading the gasket, the elastic sheet and the nut into the screw rod and fastening the gasket, the elastic sheet and the nut in place;
(8) And (5) dismantling the tool and enabling personnel to descend the tower.
The undescribed portion of this embodiment is identical to the prior art.
Claims (7)
1. The utility model provides a semi-automatic change instrument of overhead transmission line wire jumper parallel hook fastener which characterized in that: the device comprises a parallel hook wire clamp elastic fixing device, a parallel hook wire clamp cover plate spring clamp, a remote electric operation wrench and a magnetic attraction type sleeve;
the parallel hook wire clamp elastic fixing device comprises an L-shaped bottom plate and an L-shaped clamping plate, wherein the L-shaped bottom plate and the clamping plate are oppositely arranged to form a U-shaped groove structure, the L-shaped bottom plate and the L-shaped clamping plate are arranged along the width direction of the U-shaped groove, the bottom edge of the bottom plate is of a sandwich structure, the bottom edge of the clamping plate is inserted into an interlayer at the bottom edge of the bottom plate, the width of the bottom edge of the clamping plate is smaller than that of the bottom edge of the bottom plate, the bottom edge of the clamping plate is connected with the side edge of the bottom plate through a spring, the spring extends along the width direction of the bottom edge of the clamping plate, the width between a side plate of the bottom plate and the side edge of the clamping plate is larger than that of the parallel hook wire clamp when the parallel hook wire clamp elastic fixing device is in a normal state, and the spring is also in a loosening normal state, the bottom edge of the bottom plate on the side of the clamping plate is provided with a through groove, the bottom edge of the clamping plate is also provided with a through groove, when the side edge of the clamping plate presses against the side edge of the bottom plate, the through groove of the bottom edge of the clamping plate is overlapped with the through groove of the bottom plate, the bottom of the bottom plate is also provided with a rotating shaft, the rotating shaft is perpendicular to the length direction of the bottom edge of the bottom plate, the rotating shaft is provided with a buckle, the buckle is clamped in the through groove when the through groove of the bottom edge of the clamping plate is overlapped with the through groove of the bottom plate to clamp the clamping plate, the rotating shaft rotates by an angle, the buckle is separated from the through groove, the clamping plate returns under the action of a spring restoring force, and one end of the rotating shaft is provided with a connecting device connected with an insulating operating rod;
the parallel hook wire clamp cover plate spring clamp comprises a clamp-shaped body, wherein a return spring is arranged at the handle end of the clamp-shaped body, the return spring is fixed between two handles of the clamp-shaped body, two ends of the return spring are respectively connected with the handles, and a connecting device connected with an insulating operating rod is arranged on one handle;
the magnetic sleeve accommodates the nut, the gasket and the elastic sheet at the same time;
the remote electric operation wrench is used for tightening the magnetic sleeve.
2. The semi-automatic replacement tool for jumper and hook clamps of overhead transmission lines according to claim 1, wherein: the middle part of the upper surface of the bottom edge of the bottom plate is provided with a groove which is convenient for accommodating the head part of the bolt.
3. The semi-automatic replacement tool for jumper and hook clamps of overhead transmission lines according to claim 1, wherein: the cross section of the upper surface of the bottom edge of the bottom plate is of a groove-shaped structure.
4. A semiautomatic replacement tool for jumper and hook clamps of overhead transmission lines according to claim 2 or 3, characterized in that: the rotating shaft is provided with a pointer for indicating the position of the buckle, and the pointer is consistent with the pointing position of the buckle.
5. The semi-automatic replacement tool for jumper and hook clamps of overhead transmission lines according to claim 4, wherein: the buckle is arranged at the tail end of the rotating shaft and is perpendicular to the rotating shaft.
6. The semi-automatic replacement tool for jumper and hook clamps of overhead transmission lines according to claim 5, wherein: the working face of the clamp-shaped body clamp head of the parallel hook clamp cover plate spring clamp is provided with a limiting step.
7. The semi-automatic replacement tool for jumper and hook clamps of overhead transmission lines according to claim 6, wherein: the structure of the magnetic sleeve is as follows: comprises a sleeve body, wherein the front end of the sleeve body is provided with an aluminum alloy fixing ring, and a magnet is inlaid on the aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268481.2A CN108365560B (en) | 2018-03-29 | 2018-03-29 | Semi-automatic replacement tool for jumper wire and hook wire clamp of overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268481.2A CN108365560B (en) | 2018-03-29 | 2018-03-29 | Semi-automatic replacement tool for jumper wire and hook wire clamp of overhead transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108365560A CN108365560A (en) | 2018-08-03 |
| CN108365560B true CN108365560B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810268481.2A Active CN108365560B (en) | 2018-03-29 | 2018-03-29 | Semi-automatic replacement tool for jumper wire and hook wire clamp of overhead transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365560B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046420U (en) * | 1989-03-25 | 1989-10-25 | 王建华 | Self regulating and gripping tong |
| CN102136692A (en) * | 2010-12-09 | 2011-07-27 | 福建省电力有限公司福州电业局 | Tool for replacing JB type parallel groove clamp on live line |
| KR20120136953A (en) * | 2011-06-10 | 2012-12-20 | 한국전력공사 | Hot-line tool set for distribution pylons |
| CN106384971A (en) * | 2016-10-31 | 2017-02-08 | 国网山东省电力公司济南市长清区供电公司 | Transmission line parallel-groove clamp quick disassembling assistance tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3342208B2 (en) * | 1994-11-18 | 2002-11-05 | 中部電力株式会社 | How to replace wedge-shaped clamps and existing clamps |
| CN102820629B (en) * | 2012-09-17 | 2016-08-03 | 江西吉安供电公司 | The method of charged for replacement drainage thread parallel groove clamp |
| CN204321695U (en) * | 2014-12-03 | 2015-05-13 | 佛山市普拉迪数控科技有限公司 | A kind of special fixture for clamping liquid crystal display television side frame |
| CN106486920A (en) * | 2015-09-02 | 2017-03-08 | 中国电力科学研究院 | Extra high voltage line wire jumper drainage plate loose contact electrical treatment device and processing method |
-
2018
- 2018-03-29 CN CN201810268481.2A patent/CN108365560B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046420U (en) * | 1989-03-25 | 1989-10-25 | 王建华 | Self regulating and gripping tong |
| CN102136692A (en) * | 2010-12-09 | 2011-07-27 | 福建省电力有限公司福州电业局 | Tool for replacing JB type parallel groove clamp on live line |
| KR20120136953A (en) * | 2011-06-10 | 2012-12-20 | 한국전력공사 | Hot-line tool set for distribution pylons |
| CN106384971A (en) * | 2016-10-31 | 2017-02-08 | 国网山东省电力公司济南市长清区供电公司 | Transmission line parallel-groove clamp quick disassembling assistance tool |
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| CN108365560A (en) | 2018-08-03 |
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