CN109361172A - A universal ground rod for ground wire of overhead transmission line - Google Patents
A universal ground rod for ground wire of overhead transmission line Download PDFInfo
- Publication number
- CN109361172A CN109361172A CN201811343126.3A CN201811343126A CN109361172A CN 109361172 A CN109361172 A CN 109361172A CN 201811343126 A CN201811343126 A CN 201811343126A CN 109361172 A CN109361172 A CN 109361172A
- Authority
- CN
- China
- Prior art keywords
- universal
- ground wire
- transmission line
- lock sleeve
- insulation tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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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- Electric Cable Installation (AREA)
Abstract
The invention discloses a universal ground rod for an overhead transmission line ground wire, which comprises an insulating pipe, a joint seat fixed at the head end of the insulating pipe, a locking sleeve fixed with the joint seat, a fixed sleeve rotationally connected with the locking sleeve, a fixed wire clamp with a clamping opening, a movable clamping block arranged in the clamping opening and a universal nut connected with the movable clamping block, wherein the universal nut is rotationally connected with the fixed sleeve, and is driven by the insulating pipe to rotate and drives the movable clamping block to move when rotating. When the cable clamp is used, the relative angle between the cable clamp and the insulating tube is selected according to the distance and the angle between the overhead ground wire and the cross arm on an operation site, so that the opening of the cable clamp can face any direction, and the use requirements of various operation sites are met.
Description
Technical field
The invention belongs to electric power project engineering fields, and in particular to the ground wire grounded stick of overhead transmission line is primarily adapted for use in
It is used when high pressure overhead power line is ground wire grounded.
Background technique
Power industry is to support the infrastructural industries and public utilities of national economy and social development, as China its people pass through
The fast development of Ji and the continuous improvement of living standards of the people, it is also higher and higher to the degree of dependence of electric power.Therefore, power grid security
Concerning national economy, and transmission line safety is the important leverage of power grid security.It, must in order to ensure the safety and stability of transmission facility
It must provide to carry out equipment maintenance defect elimination, investigation hidden danger in strict accordance with regulation.500KV and the above overhead transmission line are contacted
It is the robust techniques means for guaranteeing personal safety and preventing to incude electrification to aerial earth wire effective grounding when the operation of ground wire.
Widely applied ground wire short circuit mode is to be used using the alternative ground wire grounded stick of 10kV grounding rod in operation at present
When earthing clamp is fixed on Ground wire with insulation ocver by operator's rotating insulated pipe, since this kind of grounding rod clamp is not able to rotate
It cannot be guaranteed that insulation tube is vertical with ground wire, and due to the presence of ground insulator, operator is exhausted when operating on the cross-arm of high-altitude
There are certain angles with ground wire for edge pipe, prevent wire clamp from being firmly clamped on ground wire, often occur contacting between clip and conducting wire
Bad clip slide or conducting wire and wire clamp between generate induction discharge, burn out wire clamp and ground wire, induced electricity causes when long working
Wire clamp damage even accident of human electric shock.The purpose for ensureing operation safety cannot be played.In operation, for apart from biggish feelings
Condition needs operator to lean out other than cross-arm, and operation difficulty is big, and danger coefficient is high.
The above ground wire grounded mode technical difficulty is big, takes time and effort, complex procedures have seriously affected production plan, reduces
Working efficiency cannot ensure operation safety.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of universal grounding rods of overhead transmission line ground wire, make wire clamp
It can firmly be clamped on ground wire.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of overhead transmission line ground wire Universal connector
Ground stick including insulation tube, the plinth that is fixed on insulation tube head end, the lock sleeve fixed with plinth, connects with lock sleeve rotation
Fixing sleeve, the fixing clamper with clamping opening, the movable clip block in clamping opening, the universal nut being connect with movable clip block connect,
The universal nut and fixing sleeve are rotatablely connected, and the universal nut is rotated by insulation tube drive and driving activity is pressed from both sides in rotation
Block is mobile.
By adopting the above technical scheme, wire clamp can rotate the present invention around universal nut, can also be between fixing sleeve and lock sleeve
Relatively rotate, in use, according to operation field aerial earth wire at a distance from cross-arm and angle Selection wire clamp and insulation tube it is opposite
Angle can make wire clamp opening towards any direction, meet the requirement of various operation fields.Providing one kind quickly has
The ground wire grounded specific purpose tool of effect, safe and reliable high pressure overhead power line, is contacted with realizing in power transmission lines overhauling operation
The equipment reliable ground in safe, rapid, the easy region that fulfils assignment, provides reliable safety for upkeep operation in ground wire work
It ensures.
Preferably, the fixing sleeve has horizontal part and connect with horizontal part and to axially extending axially extending of insulation tube
Portion, the universal nut activity pass through horizontal part, the axially-extending portion and lock sleeve and are connected by clamping screw and locking nut
It connects, after unscrewing fixing sleeve can rotate locking nut around clamping screw, and locking nut fixes fixing sleeve and lock sleeve after screwing.
Preferably, the axially-extending portion connect positioning pin with lock sleeve junction, and the lock sleeve is evenly equipped with along axial direction
Locating slot makes to be fixed on difference between fixing sleeve and lock sleeve by the chimeric of positioning pin and the different locating slots on lock sleeve
Relative position.
Preferably, the both ends of the plinth are respectively provided with the path cylindrical portion and major diameter cylindrical portion to connect, the locking
Set is rotatably connected on the outside of path cylindrical portion, and the major diameter cylindrical portion is rotatably connected on insulation tube head end.
Preferably, the lock sleeve and plinth are fixed by holding screw.
Preferably, the major diameter cylindrical portion and insulation tube are fixed by elastic cylindrical pin.
Preferably, the universal grounding rod further includes the chain for connecting insulation tube and universal nut.
Preferably, the universal nut be equipped with to insulation tube head extend U-shaped folder mouth, U-shaped folder mouth two sidewalls it
Between be connected with fixing bolt, one end of the chain and elastic cylinder pin connection, the other end are connect with fixing bolt.
Preferably, the insulation tube is connected with rubber handguard.
The specific technical solution of the present invention and its advantages will in the following detailed description in conjunction with attached drawing into
Row detailed description.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is outline structural diagram of the invention；
Fig. 2 is schematic cross-sectional view of the invention.
Specific embodiment
Referring to fig. 1 and fig. 2, a kind of universal grounding rod of overhead transmission line ground wire, including insulation tube 15, be fixed on absolutely
The plinth 16 at edge tube head end, the fixing sleeve 4 being rotatablely connected with lock sleeve 12, has the lock sleeve 12 fixed with plinth 16
The fixing clamper 1 of clamping opening, the movable clip block 8 in clamping opening, the universal nut 2 being connect with movable clip block 8, the universal nut
2 are rotatablely connected with fixing sleeve 4, and the universal nut 2 drives rotation and the knot in rotation by being threadedly engaged by insulation tube 15
Rotation is converted to linear movement by structure, to drive movable clip block 8 mobile, perhaps locked with fixing clamper ground wire or
Ground wire is unclamped, circumferential positioning structure is equipped between the lock sleeve 12 and fixing sleeve 4, with opposite in lock sleeve 12 and fixing sleeve 4
Position is fixed after rotation.
Wire clamp can rotate under external force around universal nut 2, while opposite can turn between lock sleeve 12 and fixing sleeve 4
It is dynamic, in this way, passing through being freely rotated for two axial directions, wire clamp opening can be made towards any direction, in use, according to operation field frame
Vacant lot line is at a distance from cross-arm and the relative angle of angle Selection fixing clamper 1 and insulation tube 15, to meet all handling situations
Needs.The spies such as the present invention has light-weight, flexible operation, operating efficiency is high, applied widely, easy to carry, safety is high
Point significantly reduces the labor intensity of operating personnel, it is ensured that the person and equipment safety save manpower and material resources, meet each
The requirement of kind operation field.It drives universal nut 2 to rotate when the rotating insulated pipe 15 of operator, movable clip block 8 is made to advance
Or retreat, achieve the purpose that clamp or loosen ground wire.
Wherein, the fixing sleeve 4 has horizontal part and connect with horizontal part and to axially extending axially extending of insulation tube
Portion, universal 2 activity of nut pass through horizontal part, and circumferential positioning structure includes clamping screw 6 and locking nut 7, the axial direction
Extension is connect with lock sleeve 12 by clamping screw 6 and locking nut 7, can adjust fixing sleeve 4 by the rotation of locking nut 7
With the tightness of lock sleeve 12, after unscrewing fixing sleeve 4 can rotate locking nut around clamping screw 6, after locking nut 7 screws
Fixing sleeve 4 and lock sleeve 12 is fixed, make to reach different relative positions between fixing sleeve 4 and lock sleeve 12.Locking nut 7 can
To use wing nut, to facilitate hand Screw or unscrew.
Circumferential positioning structure further includes positioning pin 5, and the axially-extending portion connect positioning pin 5 with 12 junction of lock sleeve,
The lock sleeve 12 is evenly equipped with locating slot along axial direction, by the chimeric of positioning pin and the different locating slots on lock sleeve, makes to fix
Different relative positions are fixed between set 4 and lock sleeve 12.
The both ends of the plinth 16 are respectively provided with the path cylindrical portion and major diameter cylindrical portion to connect, 12 turns of the lock sleeve
Dynamic to be connected on the outside of path cylindrical portion, the major diameter cylindrical portion is rotatably connected on insulation tube head end.The lock sleeve 12 and connector
Seat 16 is fixed by holding screw 14.It is adjusted between plinth 16 and lock sleeve 12 by the holding screw 14 on lock sleeve 12
Position guarantees that the plinth center of circle and the center of circle of lock sleeve 12 coincide.The major diameter cylindrical portion and insulation tube 15 pass through Elastic Circular
Pin 10 is fixed.
The universal grounding rod further includes connection insulation tube 15 and 2 chain 13 of universal nut, one end of the universal nut 2
Equipped with the U-shaped folder mouth extended to insulation tube head, fixing bolt 11, the chain are connected between U-shaped folder mouth two sidewalls
One end connect with elastic cylindrical pin 10, the other end is connect with fixing bolt 11.Using the connection of chain 13 and fixing bolt 11
Mode both can guarantee that insulation tube rotation drove universal nut rotation, and also fixing sleeve 4 allowed to rotate around clamping screw 6.In addition, institute
It states insulation tube 15 and is connected with rubber handguard 17, held for operator.
In use, first the ground terminal of grounding rod is fixed on steel tower, guarantee good earth, operator rotates when use
Rubber handguard 17 slides movable clip block 8, and wire clamp clamping opening is opened, and rotates wire clamp, makes wire clamp clamping opening towards the side being easily installed
To rotation locking nut 7 deviates from positioning pin 5 out of locating slot, and rotation fixing sleeve 4 makes wire clamp with 6 axis of clamping screw
Side is rotated up, and is reached and is easy to field erected orientation, rotates locking nut 7, positioning pin 5 is made to be caught in the positioning on lock sleeve 12
In slot.Operator holds rubber handguard 17 and wire clamp is put on aerial earth wire, and adjustment opening direction makes clamping opening be stuck in aerial ground
On line, after wire clamp is stuck on ground wire, insulation tube 15, under the drive of chain 13, universal nut 2 are rotated by rubber handguard 17
Promotion activity wire clamp 8 is mobile, until wire clamp is clamped on aerial earth wire.Pass through the rotation insulation of rubber handguard 17 after the completion of work
Pipe 15, under the transmission effect of chain 13, universal nut 2 drives mutual movable clip block 8 mobile, keeps the wire clamp being clamped on ground wire loose
It is dynamic, until wire clip body can be removed from aerial earth wire.Then ground terminal is removed, entire work is completed.
By adopting the above technical scheme, the beneficial effects of the utility model are:
1, the utility model is easy to carry, light-weight, easy to operate, applied widely；
2, the utility model devise wire clamp rotation mounting means, meet at present production in be related to it is all aerially
Line Grounding；
3, the utility model shortens the operating time, reduces labor intensity；
4, in design, manufacture, the rough sledding being likely to occur in operation is avoided, prompt operation is realized.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to content described in specific embodiment above.It is any
Modification without departing from function and structure principle of the invention is intended to be included in the range of claims.
Claims (9)
1. a kind of universal grounding rod of overhead transmission line ground wire, which is characterized in that including insulation tube, be fixed on insulation tube head end
Plinth, the fixing sleeve being rotatablely connected with lock sleeve, the fixing clamper with clamping opening, is set to the lock sleeve fixed with plinth
Movable clip block in clamping opening, the universal nut connecting with movable clip block, the universal nut and fixing sleeve are rotatablely connected, and described ten thousand
Rotation is driven by insulation tube to nut and driving movable clip block is mobile in rotation.
2. a kind of universal grounding rod of overhead transmission line ground wire according to claim 1, it is characterised in that: the fixing sleeve
It is connect with horizontal part and with horizontal part and the axially-extending portion axially extending to insulation tube, the universal nut activity passes through water
Flat portion, the axially-extending portion are connect with lock sleeve by clamping screw and locking nut, and locking nut can make to fix after unscrewing
Set is rotated around clamping screw, and locking nut fixes fixing sleeve and lock sleeve after screwing.
3. a kind of universal grounding rod of overhead transmission line ground wire according to claim 2, it is characterised in that: the axial direction is prolonged
Extending portion connect positioning pin with lock sleeve junction, and the lock sleeve is evenly equipped with locating slot along axial direction, passes through positioning pin and lock sleeve
On different locating slots it is chimeric, make to be fixed on different relative positions between fixing sleeve and lock sleeve.
4. a kind of universal grounding rod of overhead transmission line ground wire according to claim 2, it is characterised in that: the plinth
Both ends be respectively provided with the path cylindrical portion and major diameter cylindrical portion to connect, the lock sleeve is rotatably connected on outside path cylindrical portion
Side, the major diameter cylindrical portion are rotatably connected on insulation tube head end.
5. a kind of universal grounding rod of overhead transmission line ground wire according to claim 4, it is characterised in that: the lock sleeve
It is fixed with plinth by tight fixed bolt.
6. a kind of universal grounding rod of overhead transmission line ground wire according to claim 4, it is characterised in that: the major diameter circle
Canister portion and insulation tube are fixed by elastic cylindrical pin.
7. a kind of universal grounding rod of overhead transmission line ground wire according to claim 2, it is characterised in that: the Universal connector
Ground stick further includes the chain for connecting insulation tube and universal nut.
8. a kind of universal grounding rod of overhead transmission line ground wire according to claim 7, it is characterised in that: the universal spiral shell
Mother is equipped with the U-shaped folder mouth extended to insulation tube head, is connected with fixing bolt, the chain between U-shaped folder mouth two sidewalls
One end and elastic cylinder pin connection, the other end connect with fixing bolt.
9. a kind of universal grounding rod of overhead transmission line ground wire according to claim 1, it is characterised in that: the insulation tube
It is connected with rubber handguard.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310671228.2A CN116845768A (en) | 2018-11-13 | 2018-11-13 | A method for grounding high-voltage overhead transmission lines |
| CN201811343126.3A CN109361172B (en) | 2018-11-13 | 2018-11-13 | A kind of overhead transmission line ground wire universal grounding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343126.3A CN109361172B (en) | 2018-11-13 | 2018-11-13 | A kind of overhead transmission line ground wire universal grounding rod |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310671228.2A Division CN116845768A (en) | 2018-11-13 | 2018-11-13 | A method for grounding high-voltage overhead transmission lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109361172A true CN109361172A (en) | 2019-02-19 |
| CN109361172B CN109361172B (en) | 2023-09-26 |
Family
ID=65345056
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811343126.3A Active CN109361172B (en) | 2018-11-13 | 2018-11-13 | A kind of overhead transmission line ground wire universal grounding rod |
| CN202310671228.2A Pending CN116845768A (en) | 2018-11-13 | 2018-11-13 | A method for grounding high-voltage overhead transmission lines |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310671228.2A Pending CN116845768A (en) | 2018-11-13 | 2018-11-13 | A method for grounding high-voltage overhead transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109361172B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755775A (en) * | 2019-03-06 | 2019-05-14 | 国网上海市电力公司 | A kind of scalable multi-steering line-to-ground line |
| CN114530792A (en) * | 2022-03-04 | 2022-05-24 | 国网浙江省电力有限公司绍兴供电公司 | Track and method for polling robot to go in and out of platform along ground wire |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7019955U (en) * | 1970-05-29 | 1971-12-02 | Pfisterer Elektrotech Karl | EARTHING ROD. |
| JP2007309067A (en) * | 2006-05-15 | 2007-11-29 | Eiichi Kikuchi | Hardware for single tube of temporary building |
| JP2008148401A (en) * | 2006-12-07 | 2008-06-26 | Nagaki Seiki Co Ltd | Coupled-to-top-end tool for remote operation rod, and remote operation mounting method using the same |
| JP2009077593A (en) * | 2007-09-21 | 2009-04-09 | Sumiden Asahi Industries Ltd | Grounding tool |
| CN202423591U (en) * | 2012-01-11 | 2012-09-05 | 冯江婷 | Ground rod used on overhead transmission line |
| CN206490196U (en) * | 2017-03-09 | 2017-09-12 | 国家电网公司 | A kind of switch cubicle inner cable head Special grounding wire |
| US20170317437A1 (en) * | 2016-05-02 | 2017-11-02 | Quanta Associates, L.P. | Locking grounding clamp |
-
2018
- 2018-11-13 CN CN201811343126.3A patent/CN109361172B/en active Active
- 2018-11-13 CN CN202310671228.2A patent/CN116845768A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7019955U (en) * | 1970-05-29 | 1971-12-02 | Pfisterer Elektrotech Karl | EARTHING ROD. |
| JP2007309067A (en) * | 2006-05-15 | 2007-11-29 | Eiichi Kikuchi | Hardware for single tube of temporary building |
| JP2008148401A (en) * | 2006-12-07 | 2008-06-26 | Nagaki Seiki Co Ltd | Coupled-to-top-end tool for remote operation rod, and remote operation mounting method using the same |
| JP2009077593A (en) * | 2007-09-21 | 2009-04-09 | Sumiden Asahi Industries Ltd | Grounding tool |
| CN202423591U (en) * | 2012-01-11 | 2012-09-05 | 冯江婷 | Ground rod used on overhead transmission line |
| US20170317437A1 (en) * | 2016-05-02 | 2017-11-02 | Quanta Associates, L.P. | Locking grounding clamp |
| CN206490196U (en) * | 2017-03-09 | 2017-09-12 | 国家电网公司 | A kind of switch cubicle inner cable head Special grounding wire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755775A (en) * | 2019-03-06 | 2019-05-14 | 国网上海市电力公司 | A kind of scalable multi-steering line-to-ground line |
| CN109755775B (en) * | 2019-03-06 | 2023-11-10 | 国网上海市电力公司 | A retractable multi-turn line grounding wire |
| CN114530792A (en) * | 2022-03-04 | 2022-05-24 | 国网浙江省电力有限公司绍兴供电公司 | Track and method for polling robot to go in and out of platform along ground wire |
| CN114530792B (en) * | 2022-03-04 | 2023-10-20 | 国网浙江省电力有限公司绍兴供电公司 | A kind of inspection robot along the ground line entering and exiting the platform track and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116845768A (en) | 2023-10-03 |
| CN109361172B (en) | 2023-09-26 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230817 Address after: 312099 No. 58, Shengli East Road, Shaoxing City, Zhejiang Province Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD. SHAOXING POWER SUPPLY Co. Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Applicant after: Zhejiang Huadian Equipment Testing Research Institute Co.,Ltd. Address before: 312000 No. 58 Shengli East Road, Zhejiang, Shaoxing Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD. SHAOXING POWER SUPPLY Co. Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |
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