CN109586205B - Auxiliary installation device for ground wire clamp of power transmission line - Google Patents
Auxiliary installation device for ground wire clamp of power transmission line Download PDFInfo
- Publication number
- CN109586205B CN109586205B CN201811391220.6A CN201811391220A CN109586205B CN 109586205 B CN109586205 B CN 109586205B CN 201811391220 A CN201811391220 A CN 201811391220A CN 109586205 B CN109586205 B CN 109586205B
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- Prior art keywords
- wire clamp
- ground wire
- connecting plate
- column
- double
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to an auxiliary installation device for a grounding wire clamp of a power transmission line. The method is characterized in that: the ground wire clamp comprises an L-shaped ground wire clamp connecting plate (1), wherein two through holes (11) are formed in the horizontal surface of the ground wire clamp connecting plate (1), one through hole (11) is formed in the vertical surface of the ground wire clamp connecting plate (1) so as to be connected with a ground wire clamp through a fastener, and metal reinforcing ribs (14) are respectively arranged on two sides of the bottom of the horizontal surface of the ground wire clamp connecting plate (1); the double-column type connecting plug is characterized by further comprising a double-column type connecting plug (2), wherein two column heads (211) are arranged on the double-column type connecting plug (2), and a pin hole (221) is respectively arranged on the two column heads (211) along the vertical direction of the column heads (211). The horizontal operation radius of the installation work of the grounding wire clamp of the power transmission line is remarkably enlarged, and the installation accuracy, convenience and operation efficiency of the grounding wire clamp are improved especially under the condition that the horizontal distance between a wire and a tower body is far.
Description
Technical Field
The invention relates to an auxiliary installation device for a grounding wire clamp of a power transmission line.
Background
The development of the power grid in China is continuously strong. In order to improve the reliability of power supply, an electric company can purposefully overhaul power transmission and transformation equipment every year, and a power transmission line is the only channel for power transmission and plays an important role in a power grid. In order to ensure the safety of operators, the ground wire needs to be installed at two ends of a line or a certain strain section in the maintenance work of the overhead transmission line. At present, the grounding wires used on the lines are all portable short-circuit grounding wires, when the wires are hung, the wires are clamped with the wires by controlling the wire clamps through the insulating ropes, the inner angle side cross arm heads of the large-angle tension tower are not vertically arranged with the wires and the jumper wires, and the larger the angle is, the larger the horizontal offset distance between the wires, the jumper wires and the cross arm is. Especially, the electric gap of the ultra-high voltage circuit is large, the horizontal offset distance is even 2-3 meters, and the outdoor weather condition is complex, so that the ground clamp is extremely difficult to install by workers.
At present, few researches are carried out on auxiliary devices for installing a grounding wire clamp on an ultra-high voltage large-angle tension tower, some auxiliary devices are used for improving the structure of the grounding wire clamp, some auxiliary devices are used for installing a supporting rod on a pole tower, and other auxiliary devices are used for binding and unbinding in different modes by utilizing insulating ropes, so that the methods cannot directly and accurately position wires, are complex in operation and do not meet the requirements of field operation of overhaulers. In the corner strain tower structure, because the wire is not under the vertical of cross arm, when maintenance operation personnel hangs the earth connection, need stand on the transmission tower cross arm and throw away the earth clamp down repeatedly, just can hang the earth connection successfully until the earth clamp reaches the exact position, have the shortcoming such as operation complicacy, the degree of difficulty is high, danger coefficient is big.
Disclosure of Invention
The invention aims to provide an auxiliary installation device for a grounding wire clamp of a power transmission line, which is suitable for installing the grounding wire clamp on a Zhang Dada head of a large-angle strain tower of the power transmission line, and can simplify the operation of an operator when the operator hangs a grounding wire on the large-angle strain tower from tedious operation and improve the operation safety, convenience, accuracy and high efficiency.
The utility model provides an auxiliary installation device of transmission line ground clamp which characterized in that: the ground wire clamp comprises an L-shaped ground wire clamp connecting plate, wherein two through holes are formed in the horizontal surface of the ground wire clamp connecting plate, a through hole is formed in the vertical surface of the ground wire clamp connecting plate so as to be connected with a ground wire clamp through a fastener, and metal reinforcing ribs are respectively arranged on two sides of the bottom of the horizontal surface of the ground wire clamp connecting plate; the double-column type connecting plug is inserted through the two column heads and penetrates through the two through holes on the horizontal surface of the grounding wire clamp connecting plate, and a spring piece anti-drop pin is arranged in the pin holes on the two column heads so as to detachably install the grounding wire clamp connecting plate and the double-column type connecting plug together; the double-column type connecting plug is characterized in that one end of the double-column type connecting plug is fixedly connected with the metal buckle cover through the metal connecting rod, the metal buckle cover is detachably connected with the telescopic hollow insulating operating rod, a pull rope penetrates through the middle of the telescopic hollow insulating operating rod, and one end of the pull rope penetrates through the through hole of the metal buckle cover and is connected with the pull ring at the tail of the spring piece anti-falling pin.
The metal reinforcing ribs on two sides of the bottom of the grounding wire clamp connecting plate are in a ladder shape, and the width of a gap between the metal reinforcing ribs on two sides is the same as that of the double-column type connecting plug.
The pin body of the spring piece anti-drop pin is provided with a spring piece at the rear part, and the tail end of the spring piece is higher than the pin hole on the column head of the double-column type connecting plug.
Proved by trial use, the device remarkably enlarges the horizontal operation radius of the installation work of the grounding wire clamp of the power transmission line, and particularly improves the installation accuracy, convenience and operation efficiency of the grounding wire clamp under the condition that the horizontal distance between a wire and a tower body is far. The device disclosed by the invention is an auxiliary installation device for the grounding wire clamp, which is suitable for a large-angle tension tower, can accurately carry out grounding wire hanging operation, and solves the problems of complex operation, high difficulty, large danger coefficient and the like in the actual operation of the existing power grid.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a schematic structural view of a grounding wire clip connecting plate 1 in the invention;
fig. 3 is a schematic structural view of a dual post connector plug 2 according to the present invention;
fig. 4 is a schematic structural view of the spring leaf anti-drop pin 3 in the invention.
Detailed Description
The following describes embodiments of the present invention in detail. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the invention or its applications.
Example 1:
as shown in fig. 1, 2, 3 and 4, the auxiliary installation device of the grounding wire clamp of the power transmission line comprises a grounding wire clamp connecting plate 1, a double-column type connecting plug 2 connected with the grounding wire clamp connecting plate 1, a spring piece anti-drop pin 3 for fastening the grounding wire clamp connecting plate 1 and the double-column type connecting plug 2 in a buckling manner, and an insulating operating rod 4 connected with the double-column type connecting plug 2.
The ground wire clamp connecting plate 1 is connected with the ground wire clamp through a through hole 11 through bolts; the two column heads 211 of the double-column type connecting plug 2 are buckled with the two through holes 11 of the grounding wire clamp connecting plate 1; after the buckling of the double-column type connecting plug 2 and the grounding wire clamp connecting plate 1 is completed, the spring piece anti-falling pin 3 is inserted into two through holes 11 of two column heads 211 of the double-column type connecting plug 2, so that the double-column type connecting plug 2 is prevented from falling off from the grounding wire clamp connecting plate 1; the spring piece 311 generates positive pressure on the inner wall of the through hole 11 of the post 211, so that the friction force between the spring piece anti-falling pin 3 and the through hole 11 is enhanced, and the spring piece anti-falling pin 3 cannot slide out of the through hole 11 when the grounding wire is hung.
The telescopic hollow insulating operating rod 4 is connected with a metal buckle cover 25 at the end part of the double-column type connecting plug 2; the bottom of the telescopic hollow insulating operating rod 4 penetrates into a pull rope, the pull rope penetrates out of the through hole 11 of the metal buckle cover 25 connected to the end part of the telescopic hollow insulating operating rod 4, the pull rope is connected to the pull ring 32 at the tail part of the spring piece anti-falling pin 3, the pull rope is pulled to enable the spring piece anti-falling pin 3 to withdraw from the through hole 11, and the double-column connecting plug 2 and the ground wire clamp connecting plate 1 are separable.
The grounding wire clamp connecting plate 1 adopts an L-shaped structure, one through hole 11 is formed in one side of the metal plate, and two through holes 11 are formed in the other side of the metal plate; metal reinforcing ribs 14 are arranged on two sides of the lower surface of the metal plate with two through holes 11; the diameter of the through hole 11 is slightly larger than the diameter of the column head 211 of the double-column type connecting plug 2, the gap of the metal reinforcing rib 14 is slightly larger than the width of the double-column type connecting plug 2, and when the double-column type connecting plug 2 is assembled with the grounding wire clamp connecting plate 1, the double-column type connecting plug 2 passes through the gap of the metal reinforcing rib 14.
The double-column type connecting plug 2 adopts two column heads 211 as a connecting and fixing structure, the two column heads 211 are respectively provided with a through hole 11 which is consistent with the arrangement direction of the column heads 211, and the metal buckle cover 25 is welded with the double-column type connecting plug 2 body through a metal connecting rod 23.
The spring piece anti-drop pin 3 is characterized in that the front width and the height of the pin body are equal to the size of the through hole 11 on the column head 211, the rear width of the pin body is equal to the through hole 11, and the rear height is slightly lower than the through hole 11; the spring piece 311 is arranged at the middle and rear parts of the pin body, and the tail end of the spring piece 311 is slightly higher than the through hole 11, so that the spring piece 311 is prevented from being blocked into the through hole 11; the tail end of the pin body is provided with a pull ring 32 of the spring piece anti-falling pin 3; the middle part of the pin body uses an arc structure to transition the size difference of the front part and the rear part of the pin body, so that the clamping stagnation is prevented when the pull rope is pulled to withdraw the pin.
The telescopic hollow insulating operating rod 4 is of a hollow structure, the metal buckle cover 25 is provided with a through hole 11, a pull rope can be laid in the telescopic hollow insulating operating rod 4, and the through hole 11 can be used for the pull rope to penetrate in/out.
The application method and the working principle of the invention are as follows:
before climbing the tower, the double-column type connecting plug 2 and the telescopic hollow insulating operating rod 4 are in non-detachable connection through the metal buckle cover 25. The pull rope is connected with the spring piece anti-drop pin 3, passes through the through hole 11 on the metal buckle cover 25, is laid along the inside of the telescopic hollow insulating operating rod 4, and passes out from the bottom of the telescopic hollow insulating operating rod 4. The ground wire clamp connecting plate 1 is firmly connected with the ground wire clamp through bolts.
The operating personnel bear the ground clamp connecting plate 1, the double-column type connecting plug 2, the spring piece anti-drop pin 3 and the telescopic hollow insulating operating rod 4, and the ground clamp and the insulating rope are on the tension tower cross arm, so that safety measures are taken, and one end of the ground wire is reliably grounded.
And the upper end of the grounding wire clamp is connected with an insulating rope at the position of the tower cross arm, and the other end of the insulating rope is tied on the tower body.
The column heads 211 of the double-column type connecting plug 2 are buckled into the two through holes 11 of the grounding wire clamp connecting plate 1, and then the spring piece anti-falling pins 3 are sequentially inserted into the two inner through holes 11 of the two column heads 211 until the tail ends of the spring pieces 311 are in contact with the column heads 211, so that the spring pieces 311 are ensured to generate proper pressure on the through holes 11. The auxiliary mounting device and the ground clip are now fully connected.
The ground wire clamp opening is ensured to face the wire, and an operator holds the telescopic hollow insulation operating rod 4 to stretch continuously along the direction of the wire until the ground wire clamp reaches the position of the wire.
The telescopic hollow insulating operating rod 4 is operated to enable the grounding wire clamp to be in contact with the lead, the supporting piece on the grounding wire clamp is knocked down lightly, and the grounding wire is accurately hung on the lead.
When the auxiliary installation device of the grounding wire clamp is collected, a pull rope penetrating out from the bottom of the telescopic hollow insulating operating rod 4 is pulled, so that the spring piece anti-falling pin 3 completely exits from the through hole 11 of the double-column type connecting plug 2.
The telescopic hollow insulating operation rod 4 is gently rocked, so that the two column heads 211 of the double-column type connecting plug 2 are separated from the two through holes 11 of the ground wire clamp connecting plate 1, the telescopic hollow insulating operation rod 4 is retracted, and the ground wire clamp installation operation is completed.
And after the overhaul operation is finished, the grounding wire clamp is retracted by directly pulling the insulating rope.
The telescopic hollow insulating operating rod 4 is used for prolonging the controllable operating range of operators, so that the operators are directly connected with an operating object far away from an operating position, and the operating controllability is improved. By using the buckling structure of the ground wire clamp connecting plate 1 and the double-column type connecting plug 2, the flexibility and convenience of the use of the operation tools are improved. The spring piece anti-falling pin 3 is utilized to rapidly advance and retract, so that the use reliability of the operation tool is improved.
The foregoing is a further detailed description of the invention in connection with specific/preferred embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the invention, and these alternatives or modifications should be considered to be within the scope of the invention.
Claims (1)
1. The utility model provides an auxiliary installation device of transmission line ground clamp which characterized in that: the ground wire clamp comprises an L-shaped ground wire clamp connecting plate (1), wherein two through holes (11) are formed in the horizontal surface of the ground wire clamp connecting plate (1), one through hole (11) is formed in the vertical surface of the ground wire clamp connecting plate (1) so as to be connected with a ground wire clamp through a fastener, and metal reinforcing ribs (14) are respectively arranged on two sides of the bottom of the horizontal surface of the ground wire clamp connecting plate (1); the double-column type connecting plug (2) is provided with two column heads (211), each column head (211) is provided with a pin hole (221) along the vertical direction of the column head (211), the double-column type connecting plug (2) is inserted through the two column heads (211) and penetrates through the two through holes (11) on the horizontal surface of the ground wire clamp connecting plate (1), and the pin holes (221) on the two column heads (211) are internally provided with spring piece anti-drop pins (3) so as to detachably install the ground wire clamp connecting plate (1) and the double-column type connecting plug (2) together; one end of the double-column type connecting plug (2) is fixedly connected with a metal buckle cover (25) through a metal connecting rod (23), the metal buckle cover (25) is detachably connected with a telescopic hollow insulating operation rod (4), a pull rope is penetrated in the middle of the telescopic hollow insulating operation rod (4), and one end of the pull rope penetrates through a through hole (11) of the metal buckle cover (25) and is connected with a pull ring (32) at the tail part of a spring piece anti-drop pin (3);
the metal reinforcing ribs (14) on two sides of the bottom of the grounding wire clamp connecting plate (1) are in a ladder shape, and the width of a gap between the metal reinforcing ribs (14) on two sides is the same as that of the double-column connecting plug (2);
the rear part of the pin body of the spring piece anti-falling pin (3) is provided with a spring piece (311), and the tail end of the spring piece (311) is higher than the pin hole (221) on the column head (211) of the double-column type connecting plug (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391220.6A CN109586205B (en) | 2018-11-21 | 2018-11-21 | Auxiliary installation device for ground wire clamp of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391220.6A CN109586205B (en) | 2018-11-21 | 2018-11-21 | Auxiliary installation device for ground wire clamp of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109586205A CN109586205A (en) | 2019-04-05 |
| CN109586205B true CN109586205B (en) | 2023-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811391220.6A Active CN109586205B (en) | 2018-11-21 | 2018-11-21 | Auxiliary installation device for ground wire clamp of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586205B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001351482A (en) * | 2000-06-05 | 2001-12-21 | Fuji Electric Ind Co Ltd | Trip lock terminal stand |
| CN202591234U (en) * | 2012-03-27 | 2012-12-12 | 上海梅山钢铁股份有限公司 | Anti-drop safety pin |
| CN102882153A (en) * | 2012-08-30 | 2013-01-16 | 国家电网公司 | Multi-return tower middle-phase insulator string replacement method for electrified replacement circuit |
| CN103855587A (en) * | 2014-03-18 | 2014-06-11 | 国家电网公司 | Operating lever and operating method special for rapid installation of ground wire |
| CN103904444A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | Power transmission line grounding wire horizontal installation device |
| CN104409889A (en) * | 2014-12-03 | 2015-03-11 | 广州番禺电缆集团有限公司 | Wire connecting wire clamp |
| CN107834232A (en) * | 2017-10-23 | 2018-03-23 | 国网河南省电力公司新郑市供电公司 | Bus bar or busbar earthing wire clip |
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| CN108511931A (en) * | 2018-04-03 | 2018-09-07 | 国网安徽省电力有限公司宣城供电公司 | A kind of high-voltage grounding wire with extension type short-circuit line |
| CN209389559U (en) * | 2018-11-21 | 2019-09-13 | 国网宁夏电力有限公司电力科学研究院 | Power transmission line ground wire presss from both sides auxiliary installation device |
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2018
- 2018-11-21 CN CN201811391220.6A patent/CN109586205B/en active Active
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| JP2001351482A (en) * | 2000-06-05 | 2001-12-21 | Fuji Electric Ind Co Ltd | Trip lock terminal stand |
| CN202591234U (en) * | 2012-03-27 | 2012-12-12 | 上海梅山钢铁股份有限公司 | Anti-drop safety pin |
| CN102882153A (en) * | 2012-08-30 | 2013-01-16 | 国家电网公司 | Multi-return tower middle-phase insulator string replacement method for electrified replacement circuit |
| CN103855587A (en) * | 2014-03-18 | 2014-06-11 | 国家电网公司 | Operating lever and operating method special for rapid installation of ground wire |
| CN103904444A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | Power transmission line grounding wire horizontal installation device |
| CN104409889A (en) * | 2014-12-03 | 2015-03-11 | 广州番禺电缆集团有限公司 | Wire connecting wire clamp |
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| CN109586205A (en) | 2019-04-05 |
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