CN107946800A - A kind of earth brace - Google Patents
A kind of earth brace Download PDFInfo
- Publication number
- CN107946800A CN107946800A CN201711134721.1A CN201711134721A CN107946800A CN 107946800 A CN107946800 A CN 107946800A CN 201711134721 A CN201711134721 A CN 201711134721A CN 107946800 A CN107946800 A CN 107946800A
- Authority
- CN
- China
- Prior art keywords
- level
- telescopic rod
- extension rod
- insulating bar
- rod
- 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.)
- Pending
Links
Classifications
-
- 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
- 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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Landscapes
- Insulators (AREA)
Abstract
The invention discloses a kind of earth brace, it convenient in the vertical wires that 220kV intervals outlet is drawn in 60 to 90 degree wire clamps can install ground wire, and operating aspect, reduces work difficulty, reduces the operating time, improves work efficiency, and then raising security reliability.Specifically, the present invention includes insulating bar, extension rod and grounding wire connector；The bottom of the extension rod is cylinder type joint, and the radial direction of cylinder type joint sets raised clip-connecting rod；The top of extension rod is fluted body bayonet；Extension rod include it is upper section and lower section, it is upper section and it is lower section by Intermediate Gray can 90 ° of rotating direction swivel joints connect；The top of the insulating bar is the insulating bar fluted body bayonet for being clamped the cylinder type joint；The bottom of the grounding wire connector is for the connector card column for the fluted body bayonet for being caught in the extension rod top.
Description
Technical field
The present invention's is related to a kind of earth brace, belongs to ultra-high-tension power transmission line maintenance and maintenance technology field, more particularly to become
Power station equipment O＆M operates and maintenance, improves the quality and efficiency of O＆M and maintenance.
Background technology
In substation during the primary equipment interruption maintenance of 220kV voltage class, repaiied equipment and be in inspecting state, therefore needed
Closing grounding switch or suspension ground wire, the effect that staff hangs temporary ground wire mainly has three：First anti-induced electrical is hindered
Evil, second has obvious ground connection mark, and the 3rd prevents from sending a telegram here suddenly.The connector being grounded in substation has two kinds, the first drawing
Formula is dragged, junction portion alignment conducting wire is pulled down and can fixed, such ground wire hangs on round conductor and flat terrain；Second
Kind rotation is fixed, conducting wire is inserted in the groove of connector, then rotating handle again can fix.
At present, suspension ground wire is stranded always in the vertical wires that 220kV intervals outlet is drawn in 60 to 90 degree wire clamps
How Rao Zhe substations operation maintenance personnel, could install ground wire.Used 220kV earth braces largely use in substation
Fixed to rotate, at the almost special not aspect of suspension ground wire in vertical wires, especially bad installing, causes grid switching operation
Overlong time.If being grounded using insulating ladder or by rise car installing, the height identical with 220kV vertical wires,
The conductor wire end that connects of ground wire is connected with 220kV vertical wires in the horizontal direction again, one group of ground wire is so hung and is averaged the used time
About 25 minutes, the efficiency of maintenance is seriously affected, ground connection process takes, arduously, and increases the security risk of operation.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that a kind of earth brace is provided,
It convenient in the vertical wires that 220kV intervals outlet is drawn in 60 to 90 degree wire clamps can install ground wire, operation side
Face, reduces work difficulty, reduces the operating time, improves work efficiency, and then improve security reliability.
In order to achieve the above object, the present invention is achieved by the following scheme：
A kind of earth brace, includes insulating bar, extension rod and grounding wire connector；The bottom of the extension rod connects for cylindrical type
Head, the radial direction of cylinder type joint set raised clip-connecting rod；The top of extension rod is fluted body bayonet；Extension rod include it is upper section and
Lower section, it is upper section and it is lower section by Intermediate Gray can 90 ° of rotating direction swivel joints connect；
The top of the insulating bar is the insulating bar fluted body bayonet for being clamped the cylinder type joint；The ground wire
The bottom of connector is for the connector card column for the fluted body bayonet for being caught in the extension rod top.
A kind of preferred embodiment as the present invention：The grounding wire connector includes coupler body, and it is in eight to be set inside coupler body
The resilient clamp piece of font arrangement, the center of resilient clamp piece and the groove body being internally formed for clamping conducting wire of coupler body.
A kind of preferred embodiment as the present invention：The conducting wire is 220kV vertical wires.
A kind of preferred embodiment as the present invention：The length of the extension rod is 15~20 centimetres.
A kind of preferred embodiment as the present invention：The insulating bar is telescopic insulating bar, described telescopic
Insulating bar includes the Handheld Division for being used for hand holding and the pars contractilis for setting stretching structure；Pars contractilis is located on Handheld Division
Side；The bottom of Handheld Division sets rubber sleeve；Pars contractilis includes three telescopic joints close to the position at top, is respectively level-one
Retractable guard and level-one telescopic rod, two level retractable guard and two level telescopic rod, three-level retractable guard and three-level telescopic rod；Level-one is stretched
Contracting bar slidably assemble is on pars contractilis, and on level-one telescopic rod, three-level telescopic rod slidably assemble exists two level telescopic rod slidably assemble
On two level telescopic rod；The top installation insulating bar fluted body bayonet of three-level telescopic rod；The level-one retractable guard be used for lock and
Loosen the slide construction of level-one telescopic rod and pars contractilis；The two level retractable guard is used to lock and loosen two level telescopic rod and one
The slide construction of level telescopic rod, the three-level retractable guard are used for the slip for locking and loosening three-level telescopic rod and two level telescopic rod
Structure.
A kind of preferred embodiment as the present invention：Set on the pars contractilis of the insulating bar close to the position of Handheld Division
There is rain-shield insulator；The rain-shield insulator includes the insulating part for the multiple disc structures being intervally arranged successively from top to bottom；Institute
The red antislip paint of Handheld Division spraying is stated, the pars contractilis sprays yellow paint；The insulating bar is epoxy resin material.
A kind of preferred embodiment as the present invention：Described two articulation joints of direction swivel joint, respectively upper hinge
Fitting and lower hinge；Lower hinge includes two adjutages, and articulated shaft passes through the adjutage, and the bottom of upper hinge is fixed
On the articulated shaft；The lower section of the extension rod is installed in the bottom of lower hinge, described in the top installation of upper hinge
The upper section of extension rod.
Present invention has the advantages that：
By being connected after 90 ° of rotations with grounding wire connector, earth terminal is mutually perpendicular to the present invention with 220kV vertical wires,
220kV vertical wires are inserted in the groove of resilient clamp piece formation of grounding wire connector, then rotate extension rod or insulating bar again,
Depart from extension rod and grounding wire connector.Reduce using insulating ladder or by rise car installing ground wire, reduce work
Difficulty, saves the grid switching operation time, and then improves security reliability.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of embodiment of the present invention；
Fig. 2 is a kind of structure diagram of embodiment of the extension rod of the present invention；
Fig. 3 is the overall using renderings after the extension rod of the present invention is rotated by 90 °；
Fig. 4 is the design sketch after the extension rod of the present invention is rotated by 90 °；；
Fig. 5 is the reference view after the extension rod of the present invention is rotated by 90 °；
Fig. 6 is a kind of structure diagram of embodiment of the grounding wire connector of the present invention；
Fig. 7 is a kind of structure diagram of preferred embodiment of the insulating bar of the present invention；
Fig. 8 is the structure diagram of another preferred embodiment of the insulating bar of the present invention.
Description of reference numerals：
10- insulating bars, 20- extension rods, 30- grounding wire connectors；
11- rubber sleeves, 12- Handheld Divisions, 13- pars contractilis, 14- level-one retractable guards, 15- level-one telescopic rods, 16- two levels are stretched
Contracting sheath, 17- two level telescopic rods, 18- three-level retractable guards, 19- three-level telescopic rods, 121- rain-shield insulators；
21- fluted body bayonets, 22- directions swivel joint, 23- cylinder type joints, 24- clip-connecting rods；
31- coupler bodies, 32- resilient clamp pieces, 33- connector card columns.
Embodiment
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments：
As shown in Fig. 1~8, it illustrates the specific embodiment of the present invention, as shown in the figure, a kind of ground connection disclosed by the invention
Bar, is carried out on the basis of fixed grounding line is rotated, and the present invention is used in 220kV intervals outlet in 60 to 90 degree wire clamps
It is easy to operate to realize convenient installing ground wire in the vertical wires of extraction, work difficulty is reduced, reduces the operating time, is improved
Work efficiency, and then improve security reliability.
Specifically, the present invention provides a kind of earth brace, mainly comprising a section extension rod, 15 to 20 centimeter lengths, extension rod
Shape one is cylinder type joint, and the radial direction of cylinder type joint sets raised clip-connecting rod；One is fluted body bayonet；Extension rod
Intermediate Gray can 90 ° of rotating direction swivel joints.
The effect one of extension rod is when suspension 220kV horizontal wire length is inadequate, can increase its length using this earth brace
Degree, just ground wire can be hung in the case of without by insulating ladder；Effect two is to be applied to 220kV vertical wires.By prolonging
It is connected after 90 ° of rotations of stock with grounding wire connector, grounding wire connector is mutually perpendicular to 220kV vertical wires, and 220kV is vertically led
In the groove that the resilient clamp piece that line is inserted in grounding wire connector is formed, extension rod is then rotated again, makes extension rod and grounding wire connector
Disengaging.
Present invention is mainly used for suspension 220kV vertical wires.
By being connected after 90 ° of rotations with grounding wire connector, earth terminal is mutually perpendicular to the present invention with 220kV vertical wires,
220kV vertical wires are inserted in the groove of resilient clamp piece formation of grounding wire connector, then rotate extension rod or insulating bar again,
Depart from extension rod and grounding wire connector.Reduce using insulating ladder or by rise car installing ground wire, reduce work
Difficulty, saves the grid switching operation time, and then improves security reliability.
Specifically, as shown in Figure 1：The present invention includes insulating bar 10, extension rod 20 and grounding wire connector 30；The extension rod
Bottom be cylinder type joint 23, the radial direction of cylinder type joint sets raised clip-connecting rod 24；The top of extension rod is fluted body
Bayonet 21；Extension rod include it is upper section and lower section, it is upper section and it is lower section by Intermediate Gray can 90 ° of rotating direction swivel joints 22 connect
Connect；
The top of the insulating bar is the insulating bar fluted body bayonet for being clamped the cylinder type joint；The ground wire
The bottom of connector is for the connector card column 33 for the fluted body bayonet for being caught in the extension rod top.
Preferably, as shown in the figure：The grounding wire connector includes coupler body 31, and the bullet in splayed configuration arrangement is set inside coupler body
Property clamping piece 32, the center of resilient clamp piece and the groove body being internally formed for clamping conducting wire of coupler body.
Preferably, as shown in the figure：The conducting wire is 220kV vertical wires.
Preferably, as shown in the figure：The length of the extension rod is 15~20 centimetres.
Preferably, as shown in the figure：The insulating bar is telescopic insulating bar, and the telescopic insulating bar, which includes, to be used for
The Handheld Division 12 that hand is held and the pars contractilis 13 for setting stretching structure；Pars contractilis is located above Handheld Division；Handheld Division
Bottom sets rubber sleeve 11；Pars contractilis includes three telescopic joints close to the position at top, is respectively level-one retractable guard
14 and level-one telescopic rod 15, two level retractable guard 16 and two level telescopic rod 17, three-level retractable guard 18 and three-level telescopic rod 19；One
Level telescopic rod slidably assemble is on pars contractilis, and two level telescopic rod slidably assemble is on level-one telescopic rod, three-level telescopic rod Slide Group
On two level telescopic rod；The top installation insulating bar fluted body bayonet of three-level telescopic rod；The level-one retractable guard is used to lock
Slide construction that is tight and loosening level-one telescopic rod and pars contractilis；The two level retractable guard is used to lock and loosen two level telescopic rod
With the slide construction of level-one telescopic rod, the three-level retractable guard is used to lock and loosens three-level telescopic rod and two level telescopic rod
Slide construction.
Preferably, as shown in the figure：Position on the pars contractilis of the insulating bar close to Handheld Division is provided with rain-shield insulator
121；The rain-shield insulator includes the insulating part for the multiple disc structures being intervally arranged successively from top to bottom；The Handheld Division spray
Coating Red antislip paint, the pars contractilis spray yellow paint；The insulating bar is epoxy resin material.Three disclosed in the present embodiment
The detailed structure of a telescopic joint, three telescopic joints can meet most height requirement, be included in three telescopic joints
Three sheaths (level-one retractable guard, two level retractable guard and three-level retractable guards), the locking of sheath and loosen and can pass through
The structure of trip bolt is opened up on sheath to realize holding out against and loosening for correspondence position；Can also be by tightening sheath, sheath
Bore, which diminishes, comes each joint of clamping；Sheath bore can be grading structure, taper into from top to bottom, be connected through a screw thread knot
After structure tightens sheath, sheath moves up, so that the corresponding telescopic rod of clamping so that telescopic rod can not stretch, so as to lock.It is anti-
Rain preventing insulator can prevent rain-proof insulation, and (certainly, rainy day environment is it is not recommended that using the present apparatus, and rain-shield insulator is one and additional matches somebody with somebody
Part, can use, lifting this product adaptability according to being actually needed)；The spray painting of reddish yellow can increase warning function；It is hand-held
Portion plays antiskid function, and the material insulating capacity of insulating bar is good, light-weight.
Preferably, as shown in the figure：Described two articulation joints of direction swivel joint are respectively upper hinge and lower hinged
Part；Lower hinge includes two adjutages, and articulated shaft passes through the adjutage, and the bottom of upper hinge is fixedly mounted on the hinge
In spindle；The lower section of the extension rod is installed in the bottom of lower hinge, and the upper section of the extension rod is installed at the top of upper hinge.
Certainly, 90 degree of rotating connectors in direction, such as Hooks coupling universal coupling can be realized using existing on direction swivel joint.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the invention is not restricted to above-mentioned implementation
Mode, within the knowledge of a person skilled in the art, can also be on the premise of present inventive concept not be departed from
Make a variety of changes, these changes are related to correlation technique well-known to those skilled in the art, these both fall within patent of the present invention
Protection domain.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (7)
- A kind of 1. earth brace, it is characterised in that：Include insulating bar, extension rod and grounding wire connector；The bottom of the extension rod is Cylinder type joint, the radial direction of cylinder type joint set raised clip-connecting rod；The top of extension rod is fluted body bayonet；Extension rod bag Containing it is upper section and lower section, it is upper section and it is lower section by Intermediate Gray can 90 ° of rotating direction swivel joints connect；The top of the insulating bar is the insulating bar fluted body bayonet for being clamped the cylinder type joint；The grounding wire connector Bottom be for the connector card column for the fluted body bayonet for being caught in the extension rod top.
- A kind of 2. earth brace as claimed in claim 1, it is characterised in that：The grounding wire connector includes coupler body, inside coupler body Resilient clamp piece in splayed configuration arrangement, the center of resilient clamp piece and the groove being internally formed for clamping conducting wire of coupler body are set Body.
- A kind of 3. earth brace as claimed in claim 2, it is characterised in that：The conducting wire is 220kV vertical wires.
- A kind of 4. earth brace as claimed in claim 1, it is characterised in that：The length of the extension rod is 15~20 centimetres.
- A kind of 5. earth brace as claimed in claim 1, it is characterised in that：The insulating bar is telescopic insulating bar, described Telescopic insulating bar includes the Handheld Division for being used for hand holding and the pars contractilis for setting stretching structure；Pars contractilis is located at hand Hold above portion；The bottom of Handheld Division sets rubber sleeve；Pars contractilis includes three telescopic joints close to the position at top, respectively For level-one retractable guard and level-one telescopic rod, two level retractable guard and two level telescopic rod, three-level retractable guard and three-level telescopic rod； Level-one telescopic rod slidably assemble is on pars contractilis, and on level-one telescopic rod, three-level telescopic rod slides two level telescopic rod slidably assemble It is assembled on two level telescopic rod；The top installation insulating bar fluted body bayonet of three-level telescopic rod；The level-one retractable guard is used for Lock and loosen the slide construction of level-one telescopic rod and pars contractilis；The two level retractable guard is used to lock and loosen two level to stretch The slide construction of bar and level-one telescopic rod, the three-level retractable guard are used to lock and loosen three-level telescopic rod and two level telescopic rod Slide construction.
- A kind of 6. earth brace as claimed in claim 5, it is characterised in that：Close to Handheld Division on the pars contractilis of the insulating bar Position is provided with rain-shield insulator；The rain-shield insulator is exhausted comprising the multiple disc structures being intervally arranged successively from top to bottom Edge part；The red antislip paint of Handheld Division spraying, the pars contractilis spray yellow paint；The insulating bar is epoxy resin material.
- A kind of 7. earth brace as claimed in claim 1, it is characterised in that：Described two articulation joints of direction swivel joint, point Wei not upper hinge and lower hinge；Lower hinge includes two adjutages, and articulated shaft passes through the adjutage, upper hinge Bottom is fixedly mounted on the articulated shaft；The bottom of lower hinge is installed by the lower section of the extension rod, the top of upper hinge The upper section of the extension rod is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134721.1A CN107946800A (en) | 2017-11-16 | 2017-11-16 | A kind of earth brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134721.1A CN107946800A (en) | 2017-11-16 | 2017-11-16 | A kind of earth brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107946800A true CN107946800A (en) | 2018-04-20 |
Family
ID=61932490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711134721.1A Pending CN107946800A (en) | 2017-11-16 | 2017-11-16 | A kind of earth brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107946800A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003047A (en) * | 2020-08-31 | 2020-11-27 | 广东电网有限责任公司广州供电局 | Grounding system, grounding wire clamp and adapter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282208Y (en) * | 2008-10-24 | 2009-07-29 | 李彬 | Detachable grounding rod |
| CN205303738U (en) * | 2015-11-26 | 2016-06-08 | 广东电网有限责任公司珠海供电局 | Electric wire netting earth connection |
| CN205319349U (en) * | 2016-01-28 | 2016-06-15 | 国家电网公司 | A special fastener for switch test |
| CN105789937A (en) * | 2016-03-29 | 2016-07-20 | 国网辽宁省电力有限公司锦州供电公司 | Distribution ground rod having detachable operating handle and application method thereof |
| CN107018366A (en) * | 2017-04-06 | 2017-08-04 | 国网新疆电力公司昌吉供电公司 | High-altitude apparatus for obtaining evidence for 110kV electrical equipments |
-
2017
- 2017-11-16 CN CN201711134721.1A patent/CN107946800A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282208Y (en) * | 2008-10-24 | 2009-07-29 | 李彬 | Detachable grounding rod |
| CN205303738U (en) * | 2015-11-26 | 2016-06-08 | 广东电网有限责任公司珠海供电局 | Electric wire netting earth connection |
| CN205319349U (en) * | 2016-01-28 | 2016-06-15 | 国家电网公司 | A special fastener for switch test |
| CN105789937A (en) * | 2016-03-29 | 2016-07-20 | 国网辽宁省电力有限公司锦州供电公司 | Distribution ground rod having detachable operating handle and application method thereof |
| CN107018366A (en) * | 2017-04-06 | 2017-08-04 | 国网新疆电力公司昌吉供电公司 | High-altitude apparatus for obtaining evidence for 110kV electrical equipments |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003047A (en) * | 2020-08-31 | 2020-11-27 | 广东电网有限责任公司广州供电局 | Grounding system, grounding wire clamp and adapter |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180420 |
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