CN113937661A - Special tool for replacing suspension hardware fitting of overhead ground wire of power transmission line - Google Patents
Special tool for replacing suspension hardware fitting of overhead ground wire of power transmission line Download PDFInfo
- Publication number
- CN113937661A CN113937661A CN202111336194.9A CN202111336194A CN113937661A CN 113937661 A CN113937661 A CN 113937661A CN 202111336194 A CN202111336194 A CN 202111336194A CN 113937661 A CN113937661 A CN 113937661A
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- Prior art keywords
- cross arm
- nut
- transmission line
- ground wire
- overhead ground
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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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- 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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- 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
一种用于更换输电线路架空地线悬垂金具的专用工具，涉及一种用于更换输电线路架空地线悬垂金具的专用工具技术领域，其结构为对称设置的两个横担卡卡具的一头水平方向设置为凹球形，另一头与横担固定连接，凹球形处活动连接有提升紧线器，提升紧线器的丝杠下端与提升器螺纹连接，提升器的一头与架空地线活动连接，横担卡固定装置下端固定于横担上，其上端与横担卡卡具活动连接，两个横担卡固定装置之间设置有牵引紧线器。本发明的有益效果：通过新研制的更换输电线路架空地线悬垂金具的专用工具，开展更换输电线路架空地线悬垂金具的工作可以大大提高工作效率，大幅度提升输电线路设备运行的稳定性，增强输电线路运行的可靠性。
A special tool for replacing overhead ground wire suspension fittings of power transmission lines, and relates to the technical field of a special tool for replacing overhead ground wire hanging fittings of transmission lines. Its structure is one end of two cross arm clamps symmetrically arranged The horizontal direction is set as a concave sphere, the other end is fixedly connected with the cross arm, the concave sphere is movably connected with a lifting thread tensioner, the lower end of the lead screw of the lifting thread tensioner is threadedly connected with the elevator, and one end of the elevator is movably connected with the overhead ground wire The lower end of the cross-arm card fixing device is fixed on the cross-arm, the upper end of which is movably connected with the cross-arm clamping fixture, and a traction wire tensioner is arranged between the two cross-arm card fixing devices. The beneficial effects of the invention are as follows: through the newly developed special tool for replacing the overhead ground wire hanging fittings of the transmission line, the work of replacing the overhead ground wire hanging fittings of the transmission line can greatly improve the work efficiency and greatly improve the stability of the operation of the transmission line equipment. Enhance the reliability of transmission line operation.
Description
Technical Field
The invention relates to the technical field of special tools for replacing a suspension fitting of an overhead ground wire of a power transmission line, in particular to a special tool for replacing the suspension fitting of the overhead ground wire of the power transmission line.
Background
Due to the reasons that the types of ground wire hanging points of the power transmission line iron tower are multiple, the winding length of the wire protection strip is long, and the like, and the connection forms of different tower types, terrains, ice covering areas and spans are more, the adopted tools are difficult to be universal, and a universal tool is urgently needed to be developed to solve the problem. In order to eliminate defects in time on the premise of ensuring power supply reliability and improve the efficiency of replacing the ground wire hardware fitting string, the development project for replacing the overhead ground wire suspension hardware fitting of the power transmission line is provided on the basis of combining the characteristics of the power transmission line in the high-altitude Qinghai area and summarizing the characteristics of the existing replacing tool.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides a special tool for replacing a suspension fitting of an overhead ground wire of a power transmission line, which can eliminate the defects in time on the premise of ensuring the power supply reliability, and can improve the efficiency of replacing a ground wire fitting string, thereby solving the problems of heavy work task, low efficiency, huge manpower and financial resources and potential safety hazard of high altitude of replacing the suspension fitting of the overhead ground wire of the power transmission line caused by the factors of wide distribution range of the existing equipment, few operators and the like.
A special tool for replacing a suspension fitting of an overhead ground wire of a power transmission line comprises two symmetrically arranged lifting tighteners (1), a cross arm clamping fixture (3), a cross arm clamping fixing device (4) and a traction tightener (6), one end of the two symmetrically arranged cross arm clamping devices (3) is arranged into a concave sphere in the horizontal direction, the other end is fixedly connected with the cross arm (8), the concave spherical part is movably connected with the lifting wire grip (1), the lower end of a screw rod (1-9) of the lifting wire grip (1) is in threaded connection with the lifter (2), one end of the lifter (2) is movably connected with an overhead ground wire (9), the lower end of the cross arm card fixing device (4) is fixed on a cross arm (8), the upper end of the cross arm clamping device is movably connected with the cross arm clamping fixture (3), and a traction wire tightener (6) is arranged between the two cross arm clamping fixing devices (4).
Preferably, the lifting wire grip (1) consists of a lock tongue (1-1), a top shaft (1-2), a spring (1-3), a top thread (1-4), a wire grip shell (1-5), a handle (1-6), a spherical bearing (1-7), a bearing seat (1-8), a screw rod (1-9), a locking nut (1-10), a nut outer sleeve (1-11) and a nut (1-12), the outer circumference of the middle part of the bearing seat (1-8) is in a convex ball shape and movably connected with a concave ball at one end of the cross arm clamping fixture (3), the spherical bearing (1-7) is connected in the bearing seat (1-8) in a matching way, the spherical bearing (1-7) is connected with the screw rod (1-9) in a matching way, the nut (1-12) is arranged at the top of the spherical bearing (1-7), the nut (1-12) is in threaded connection with the lead screw (1-9), an oblique tooth tongue is arranged on the outer circumference of the middle part of the nut (1-12), the middle part of the nut (1-12) is vertically provided with a tightener shell (1-5), a lock tongue (1-1), a top shaft (1-2), a spring (1-3) and a jackscrew (1-4) are sequentially arranged in the tightener shell (1-5) from left to right, the lock tongue (1-1) is connected with the oblique tooth tongue on the outer circumference of the middle part of the nut (1-12) in an one-way meshing manner, a handle (1-6) is in threaded connection with the right end of the tightener shell (1-5), a nut outer sleeve (1-11) is arranged on the outer circumference of the upper part of the nut (1-12), and a locking nut (1-10) is arranged at the bottom of the bearing seat (1-8), the locking nut (1-10) is in threaded connection with the lead screw (1-9).
Preferably, the traction wire grip (6) consists of a wire grip A (6-1) and a wire grip B (6-2), one end of the wire grip A (6-1) is provided with a groove, the groove is hinged to a boss at one end of the connecting rod A (5) through a shaft pin (10), the other end of the wire grip A (6-1) is in threaded connection with the wire grip B (6-2), the other end of the wire grip B (6-2) is provided with a groove, the groove is hinged to a boss at one end of the connecting rod B (7) through the shaft pin (10), the other end of the connecting rod A (5) is movably connected with the cross arm clamping fixture (3), and the other end of the connecting rod B (7) is movably connected with the cross arm clamping fixture (3).
Preferably, the cross arm clamp (3) and the cross arm clamp fixing device (4) are made of aluminum alloy.
Preferably, the traction tightener (6) is made of steel.
The use method of the invention comprises the following steps: the operation method of the invention is that the operator wears the shielding clothes to enter the field in a ground potential mode, and the short-circuit wire is used for short-circuit of the overhead ground wire, thereby preventing the induced electricity from hurting the operator. The tool is lifted to the working point by an insulated transfer rope, and the operator adjusts the tractor to a proper length according to the size of the cross arm. According to the fitting string length adjustment lifting mechanism to a proper position, the special tool is installed, the fixing device for installing the overhead ground wire is fixed to the size side of the suspension wire clamp of the overhead ground wire respectively, then the operator rotates the traction tightener to tighten up the fixture, then the lifting tightener rotates in sequence, the overhead ground wire and the optical cable are lifted, and the fitting of the middle part can be replaced.
The invention has the beneficial effects that: through the newly developed special tool for replacing the suspension fitting of the overhead ground wire of the power transmission line, the work for replacing the suspension fitting of the overhead ground wire of the power transmission line can be carried out, so that the working efficiency can be greatly improved, the running stability of equipment of the power transmission line is greatly improved, and the running reliability of the power transmission line is enhanced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the lifting turnbuckle 1 of fig. 1 according to the present invention;
FIG. 3 is a schematic view of the pulling grip 6 of FIG. 1 in accordance with the present invention;
in the figure: 1. 1-1 lifting wire grip, 1-2 lock tongues, a top shaft, 1-3 springs, 1-4 jackscrews, 1-5 tightener shells, 1-6 handles, 1-7 spherical bearings, 1-8 bearing seats,
1-9 parts of screw rod, 1-10 parts of locking nut, 1-11 parts of nut outer sleeve, 1-12 parts of nut, 2 parts of lifter, 3 parts of cross arm clamp fixture, 4 parts of cross arm clamp fixing device, 5 parts of connecting rod A, 6 parts of traction tightener, 6-1 parts of tightener A, 6-2 parts of tightener B, 7 parts of connecting rod B, 8 parts of cross arm, 9 parts of overhead ground wire, 10 parts of shaft pin.
Detailed Description
Example 1 the invention is further described below with reference to the accompanying drawings: as shown in the attached drawings 1-3, the invention provides a special tool for replacing a suspension fitting of an overhead ground wire of a power transmission line, which comprises two symmetrically arranged lifting wire tighteners (1), cross arm clamping fixtures (3), cross arm clamping fixing devices (4) and a traction wire tightener (6), wherein one ends of the two symmetrically arranged cross arm clamping fixtures (3) are arranged in a concave sphere shape in the horizontal direction, the other ends of the two symmetrically arranged cross arm clamping fixtures are fixedly connected with a cross arm (8), the lifting wire tightener (1) is movably connected at the concave sphere position, the lower ends of lead screws (1-9) of the lifting wire tightener (1) are in threaded connection with a lifter (2), one end of the lifter (2) is movably connected with the overhead ground wire (9), the lower ends of the cross arm clamping fixing devices (4) are fixed on the cross arm (8), and the upper ends of the cross arm clamping fixtures are movably connected with the cross arm clamping fixtures (3), and a traction wire tightener (6) is arranged between the two cross arm card fixing devices (4).
Preferably, the lifting wire grip (1) consists of a lock tongue (1-1), a top shaft (1-2), a spring (1-3), a top thread (1-4), a wire grip shell (1-5), a handle (1-6), a spherical bearing (1-7), a bearing seat (1-8), a screw rod (1-9), a locking nut (1-10), a nut outer sleeve (1-11) and a nut (1-12), the outer circumference of the middle part of the bearing seat (1-8) is in a convex ball shape and movably connected with a concave ball at one end of the cross arm clamping fixture (3), the spherical bearing (1-7) is connected in the bearing seat (1-8) in a matching way, the spherical bearing (1-7) is connected with the screw rod (1-9) in a matching way, the nut (1-12) is arranged at the top of the spherical bearing (1-7), the nut (1-12) is in threaded connection with the lead screw (1-9), an oblique tooth tongue is arranged on the outer circumference of the middle part of the nut (1-12), the middle part of the nut (1-12) is vertically provided with a tightener shell (1-5), a lock tongue (1-1), a top shaft (1-2), a spring (1-3) and a jackscrew (1-4) are sequentially arranged in the tightener shell (1-5) from left to right, the lock tongue (1-1) is connected with the oblique tooth tongue on the outer circumference of the middle part of the nut (1-12) in an one-way meshing manner, a handle (1-6) is in threaded connection with the right end of the tightener shell (1-5), a nut outer sleeve (1-11) is arranged on the outer circumference of the upper part of the nut (1-12), and a locking nut (1-10) is arranged at the bottom of the bearing seat (1-8), the locking nut (1-10) is in threaded connection with the lead screw (1-9).
Preferably, the traction wire grip (6) consists of a wire grip A (6-1) and a wire grip B (6-2), one end of the wire grip A (6-1) is provided with a groove, the groove is hinged to a boss at one end of the connecting rod A (5) through a shaft pin (10), the other end of the wire grip A (6-1) is in threaded connection with the wire grip B (6-2), the other end of the wire grip B (6-2) is provided with a groove, the groove is hinged to a boss at one end of the connecting rod B (7) through the shaft pin (10), the other end of the connecting rod A (5) is movably connected with the cross arm clamping fixture (3), and the other end of the connecting rod B (7) is movably connected with the cross arm clamping fixture (3).
Preferably, the cross arm clamp (3) and the cross arm clamp fixing device (4) are made of aluminum alloy.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (5)
1. The utility model provides a specialized tool for changing transmission line overhead earth wire gold utensil that dangles, includes promotion turn-buckle (1), cross arm card fixture (3), cross arm card fixing device (4) and one that two symmetries set up and pull turn-buckle (6), its characterized in that: one end of each of the two symmetrically-arranged cross arm clamping fixtures (3) is arranged in a concave sphere in the horizontal direction, the other end of each of the two symmetrically-arranged cross arm clamping fixtures is fixedly connected with a cross arm (8), the concave sphere is movably connected with the lifting wire tightener (1), the lower ends of lead screws (1-9) of the lifting wire tightener (1) are in threaded connection with the lifter (2), one end of the lifter (2) is movably connected with an overhead ground wire (9), the lower end of each of the cross arm clamping fixtures (4) is fixed on the corresponding cross arm (8), the upper end of each of the cross arm clamping fixtures is movably connected with the corresponding cross arm clamping fixture (3), and a traction wire tightener (6) is arranged between the two cross arm clamping fixtures (4).
2. The special tool for replacing the overhead ground wire suspension fitting of the power transmission line according to claim 1, characterized in that: the lifting wire grip (1) consists of a lock tongue (1-1), a top shaft (1-2), a spring (1-3), a top thread (1-4), a wire grip shell (1-5), a handle (1-6), a spherical bearing (1-7), a bearing seat (1-8), a screw rod (1-9), a locking nut (1-10), a nut outer sleeve (1-11) and a nut (1-12), wherein the outer circumference of the middle part of the bearing seat (1-8) is in a convex ball shape and is movably connected with one end of the cross arm clamping fixture (3) in a concave ball shape, the spherical bearing (1-7) is connected with the inside of the bearing seat (1-8) in a matching way, the spherical bearing (1-7) is connected with the screw rod (1-9) in a matching way, the nut (1-12) is arranged at the top of the spherical bearing (1-7), the nut (1-12) is in threaded connection with the lead screw (1-9), an oblique tooth tongue is arranged on the outer circumference of the middle part of the nut (1-12), the middle part of the nut (1-12) is vertically provided with a tightener shell (1-5), a lock tongue (1-1), a top shaft (1-2), a spring (1-3) and a jackscrew (1-4) are sequentially arranged in the tightener shell (1-5) from left to right, the lock tongue (1-1) is connected with the oblique tooth tongue on the outer circumference of the middle part of the nut (1-12) in an one-way meshing manner, a handle (1-6) is in threaded connection with the right end of the tightener shell (1-5), a nut outer sleeve (1-11) is arranged on the outer circumference of the upper part of the nut (1-12), and a locking nut (1-10) is arranged at the bottom of the bearing seat (1-8), the locking nut (1-10) is in threaded connection with the lead screw (1-9).
3. The special tool for replacing the overhead ground wire suspension fitting of the power transmission line according to claim 1, characterized in that: the traction wire grip (6) is composed of a wire grip A (6-1) and a wire grip B (6-2), one end of the wire grip A (6-1) is provided with a groove, the groove is hinged to a boss at one end of the connecting rod A (5) through a shaft pin (10), the other end of the wire grip A (6-1) is in threaded connection with the wire grip B (6-2), the other end of the wire grip B (6-2) is provided with a groove, the groove is hinged to a boss at one end of the connecting rod B (7) through the shaft pin (10), the other end of the connecting rod A (5) is movably connected with the cross arm clamping fixture (3), and the other end of the connecting rod B (7) is movably connected with the cross arm clamping fixture (3).
4. The special tool for replacing the overhead ground wire suspension fitting of the power transmission line according to claim 1, characterized in that: the cross arm clamp (3) and the cross arm clamp fixing device (4) are made of aluminum alloy.
5. The special tool for replacing the overhead ground wire suspension fitting of the power transmission line according to claim 1, characterized in that: the traction tightener (6) is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111336194.9A CN113937661B (en) | 2021-11-12 | 2021-11-12 | A special tool for replacing the overhead ground wire suspension fittings of a power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111336194.9A CN113937661B (en) | 2021-11-12 | 2021-11-12 | A special tool for replacing the overhead ground wire suspension fittings of a power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113937661A true CN113937661A (en) | 2022-01-14 |
| CN113937661B CN113937661B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111336194.9A Active CN113937661B (en) | 2021-11-12 | 2021-11-12 | A special tool for replacing the overhead ground wire suspension fittings of a power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113937661B (en) |
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| KR20090019363A (en) * | 2007-08-21 | 2009-02-25 | 양희성 | Electric wire band |
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| CN106129902A (en) * | 2016-08-26 | 2016-11-16 | 国网青海省电力公司海东供电公司 | A kind of overhead ground wire lifting device |
| CN205791227U (en) * | 2016-06-17 | 2016-12-07 | 国网湖南省电力公司带电作业中心 | Charged for replacement UHV transmission line insulator chain tool set |
| CN109437038A (en) * | 2018-11-12 | 2019-03-08 | 国网浙江省电力有限公司绍兴供电公司 | Power transmission lines overhauling and construction and installation ground wire lifting device |
| KR20190095831A (en) * | 2018-02-07 | 2019-08-16 | 주식회사 성진 | The Movable Temporary Arm 2 Apparatus And Method Using In Uninterruptible Work In The Power Distribution Lines |
| CN210380017U (en) * | 2019-07-26 | 2020-04-21 | 国网山东省电力公司泰安供电公司 | Universal ground wire cross arm clamp for power transmission line |
| CN216564272U (en) * | 2021-11-12 | 2022-05-17 | 国网青海省电力公司检修公司 | Special tool for replacing suspension hardware fitting of overhead ground wire of power transmission line |
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2021
- 2021-11-12 CN CN202111336194.9A patent/CN113937661B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090019363A (en) * | 2007-08-21 | 2009-02-25 | 양희성 | Electric wire band |
| CN203367860U (en) * | 2013-05-29 | 2013-12-25 | 国家电网公司 | Overhead ground wire suspension clamp replacement tool |
| WO2015078279A1 (en) * | 2013-11-27 | 2015-06-04 | 国家电网公司 | Live overhaul process for ±800 kv ultra-high voltage dc power transmission line |
| CN204144801U (en) * | 2014-11-07 | 2015-02-04 | 闫凌涛 | For changing the power tool of 110kV suspension insulator |
| CN105932599A (en) * | 2016-06-17 | 2016-09-07 | 国网湖南省电力公司带电作业中心 | Tool set capable of replacing insulator chain of ultra-high-voltage transmission line under electrified state and use method for tool set |
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| CN216564272U (en) * | 2021-11-12 | 2022-05-17 | 国网青海省电力公司检修公司 | Special tool for replacing suspension hardware fitting of overhead ground wire of power transmission line |
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| Publication number | Publication date |
|---|---|
| CN113937661B (en) | 2024-10-18 |
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