CN109494675A - Ground protection block - Google Patents
Ground protection block Download PDFInfo
- Publication number
- CN109494675A CN109494675A CN201811464985.8A CN201811464985A CN109494675A CN 109494675 A CN109494675 A CN 109494675A CN 201811464985 A CN201811464985 A CN 201811464985A CN 109494675 A CN109494675 A CN 109494675A
- Authority
- CN
- China
- Prior art keywords
- clamping head
- wire
- conducting wire
- gripping member
- ground
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
-
- 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
-
- 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
- H01R11/26—End pieces terminating in a screw clamp, screw or nut
-
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
-
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/46—Clamping area between two screws placed side by side
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention provides a kind of ground protection block, comprising: the first conductive clip gripping member, the first conductive clip gripping member include the first clamping head and the first conducting wire for connecting with first clamping head, and first clamping head is used to connect the steel tower cross-arm for hanging ground wire；Second conductive clip gripping member, the second conductive clip gripping member include the second clamping head and the second conducting wire for connecting with second clamping head, and second clamping head is for connecting the ground wire；Conductor wire clamp, the conductor wire clamp connect first conducting wire and the second conducting wire.The present apparatus is installed on the basis of available circuit, on the one hand good conductive channel can be provided between ground wire and shaft tower, avoids lightning current and earth short circuit current fusing ground wire；On the other hand mechanical strength can be reinforced close at suspension clamp to ground wire, breaking line preventive guarantee is provided, the O&M cost of ground wire is reduced.
Description
Technical field
The present invention relates to transmission of electricity fitting field more particularly to a kind of ground protection blocks.
Background technique
One to two ground wire, also known as lightning conducter are usually provided in transmission line of electricity above conducting wire, plays reduction thunder and lightning
Attack the effect of conducting wire directly.In the process of running, it often will appear ground wire line-outage contingency.Since ground wire is in the top of conducting wire, broken string
It is easy the conducting wire of touching lower section, further causes conducting wire short circuit tripping, conducting wire of burning, or even cause conductor cord disconnection.Double loop is very
Once ground wire broken string occurs, the easy multi circuit transmission lines that cause trip the transmission line of electricity set up to multiloop simultaneously, and large area is caused to stop
Electrification.
The reason of wherein most broken string happens at the pendency hanging point of straight line pole, causes ground wire to break through analysis
Mainly are as follows: 1, mechanical aspects: it is stranded that ground wire in hitch point is easiest to vibrating fatigue.2, the Suspension Technique of current ground wire lays particular emphasis on solution
Certainly mechanically stressed problem, it is inconsiderate for being conductively connected.The contact resistance of ground wire and suspension clamp is larger, in route by thunder
When hitting or is short-circuit, the electric current of moment tens to kiloamperes up to a hundred fuses ground wire.
Transmission line of electricity O&M company common practice is the slightly long ground wire of the timely replacement operation time limit.Ground wire is replaced to need
Crossing frame is set up along the line, and project cost is very high, and multi-circuit lines on the same tower has a power failure for a long time simultaneously, very to power grid and social influence
Greatly.Only because hitch point defect seldom partially occurs and whole ground wire is shortened service life replacement, will cause largely to provide
Produce Value Loss.
Summary of the invention
The main object of the present invention is to provide a kind of ground protection block, installs the present apparatus on the basis of available circuit, and one
Aspect can provide good conductive channel between ground wire and shaft tower, avoid lightning current and earth short circuit current fusing ground wire；Separately
On the one hand mechanical strength can be reinforced close at suspension clamp to ground wire, breaking line preventive guarantee is provided, the O&M cost of ground wire is reduced.
To achieve the above object, a kind of ground protection block provided by the invention includes:
First conductive clip gripping member, the first conductive clip gripping member include the first clamping head and connect with first clamping head
The first conducting wire, first clamping head be used for connect hang ground wire steel tower cross-arm；
Second conductive clip gripping member, the second conductive clip gripping member include the second clamping head and connect with second clamping head
The second conducting wire, second clamping head is for connecting the ground wire；
Conductor wire clamp, the conductor wire clamp connect first conducting wire and the second conducting wire.
Preferably, the ground protection block includes 1 the first conductive clip gripping member and 2 second conductive holdings
Part.
Preferably, first clamping head includes first substrate and is fixed on the first substrate by threaded fastener
The first pressing plate, between the first substrate and the first pressing plate formed for being fixed on the steel tower cross-arm first installation
Hole；
Second clamping head includes the second substrate and is fixed on second in the second substrate by threaded fastener
Pressing plate forms the second mounting hole for being fixed on the ground wire between the second substrate and the second pressing plate.
Preferably, first pressing plate is hinged close to one end of first conducting wire and the first substrate, and described first
Pressing plate is fixed on the first substrate far from one end of first conducting wire by threaded fastener；
Second pressing plate is hinged close to one end of second conducting wire and the second substrate, and second pressing plate is separate
One end of second conducting wire is fixed in the second substrate by threaded fastener.
Preferably, the conductor wire clamp includes the first conductive plate and is fixed on first conductive plate by threaded fastener
On the second conductive plate, multiple thirds for conducting wire are formed between first conductive plate and the second conductive plate and are installed
Hole.
In technical solution of the present invention, since protective device includes conductor wire clamp, the first conductive clip gripping member and second are led
Electric clamping piece, the first conductive clip gripping member and the second conductive clip gripping member realize mechanical connection and electrical connection by conductor wire clamp.The
One conductive clip gripping member is clamped on steel tower cross-arm, and the second conductive clip gripping member is clamped on ground wire, is specially clamped in the appearance of ground wire
The two sides of the hitch point of fatigue fracture are also easy to produce, when ground wire meets with the high currents such as thunder and lightning, one part of current can be directly by the
Two conductive clip gripping members flow into the first conductive clip gripping member, finally flow to steel tower, flow into the earth by steel tower, avoid at hitch point because of electricity
Flowing through leads to greatly ground wire scorification.In addition, even if ground wire disconnects at hitch point, since the second conductive clip gripping member is clamped in ground wire
On, protective device can directly hold the ground wire of fracture and cause a plurality of line short to avoid falling.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is the application schematic diagram of ground protection block of the invention；
Fig. 2 is another visual angle application schematic diagram of ground protection block of the invention；
Fig. 3 is the perspective view of ground protection block of the invention；
Fig. 4 is the exploded view of ground protection block of the invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Ground protection block | 110 | First clamping head |
| 210 | Second clamping head | 120 | First conducting wire |
| 300 | Conductor wire clamp | 220 | Second conducting wire |
| 400 | Ground wire | 500 | Steel tower cross-arm |
| 600 | Overhanging golden tool | 111 | First substrate |
| 112 | First pressing plate | 211 | The second substrate |
| 320 | Second conductive plate | 212 | Second pressing plate |
| 310 | First conductive plate |
The realization, the function and the advantages of the object of the present invention will be described further in conjunction with attached drawing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
Referring to attached drawing 1 to attached drawing 2, a kind of ground protection block 100 includes:
First conductive clip gripping member, the first conductive clip gripping member include the first clamping head 110 and connect with the first clamping head 110
First conducting wire 120, the first clamping head 110 are used to connect the steel tower cross-arm 500 of suspension ground wire 400；Second conductive clip gripping member, second
Conductive clip gripping member includes the second clamping head 210 and the second conducting wire 220 for connecting with the second clamping head 210, and the second clamping head 210 is used
In connection ground wire 400；Conductor wire clamp 300, conductor wire clamp 300 connect the first conducting wire 120 and the second conducting wire 220.Wherein, it first leads
Electric clamping piece, the second conductive clip gripping member and conductor wire clamp 300 are conductive material, preferably aluminium alloy.
In technical solution of the present invention, since ground protection block 100 includes conductor wire clamp 300, the first conductive clip gripping member
And the second conductive clip gripping member, the first conductive clip gripping member and the second conductive clip gripping member pass through conductor wire clamp and realize mechanical connection and electricity
Gas connection.First conductive clip gripping member is clamped on steel tower cross-arm, and the second conductive clip gripping member is clamped on ground wire, is specially clamped in
The two sides of the hitch point for being easy to produce fatigue fracture of ground wire, when ground wire meets with the high currents such as thunder and lightning, one part of current can be straight
It connected the second conductive clip gripping member and flows into the first conductive clip gripping member, and finally flow to steel tower, the earth is flowed by steel tower, avoids hanging
Leading to ground wire scorification at point because electric current is excessive, (existing line is hanged by the way that overhanging golden tool 600 is arranged below steel tower cross-arm 500
Hang lightning conducter).In addition, even if ground wire disconnects at hitch point, since the second conductive clip gripping member is clamped on ground wire, protective device
The ground wire of fracture can directly be held and cause a plurality of line short to avoid falling.
Preferably, ground protection block 100 includes 1 the first conductive clip gripping member and 2 the second conductive clip gripping members.Second leads
Electric clamping piece is clamped in the two sides of 400 hitch point of ground wire respectively, 400 hitch point of ground wire occur fatigue fracture when, no matter which
The ground wire 400 of side will fall can all be held by ground protection block 100.
Referring to attached drawing 3, further, the first clamping head 110 includes first substrate 111 and is fixed on by threaded fastener
The first pressing plate 112 on first substrate 111 is formed between first substrate 111 and the first pressing plate 112 for being fixed on steel tower cross-arm
The first mounting hole on 500；First mounting hole is preferably rectangular opening.
Second clamping head 210 includes the second substrate 211 and is fixed on second in the second substrate 211 by threaded fastener
Pressing plate 212 forms the second mounting hole for being fixed on ground wire 400 between the second substrate 211 and the second pressing plate 212；Second
The preferably circular hole of mounting hole.
Wherein, the first clamping head 110 and the second clamping head 210 can be the good aluminum alloy material of electric conductivity, first
Conducting wire 120 and the second conducting wire 220 can be tussle together with multiply aluminium alloy wire or steel-core-aluminium envelope curve.First conducting wire 120 is logical
Hydraulic device extruding is crossed to be fixed in the conducting wire pilot hole of the first clamping head 110.
In further technical solution, the first pressing plate 112 is cut with scissors close to one end of the first conducting wire 120 and first substrate 111
It connects, the first pressing plate 112 is fixed on first substrate 111 far from one end of the first conducting wire 120 by threaded fastener；Second pressing plate
212 is hinged close to one end of the second conducting wire 220 and the second substrate 211, and the one end of the second pressing plate 212 far from the second conducting wire 220 is logical
Threaded fastener is crossed to be fixed in the second substrate 211.
It should be noted that the structure of conductor wire clamp 300 is not particularly limited in the application, conductor wire clamp 300 can connect
The structure for connecing the first conducting wire 120 and the second conducting wire 220 is all possible.Referring to attached drawing 4, the application provides a kind of conductor wire clamp
300 specific structure, conductor wire clamp 300
The second conductive plate on the first conductive plate 310 is fixed on including the first conductive plate 310 and by threaded fastener
320, it is formed with multiple third mounting holes for conducting wire between the first conductive plate 310 and the second conductive plate 320 and (does not mark
Show).After conducting wire is inserted into third mounting hole, realized mostly by tightening threaded fastener with mechanically and electrically mutual between conducting wire
Connection.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (5)
1. a kind of ground protection block, which is characterized in that the ground protection block includes:
First conductive clip gripping member, the first conductive clip gripping member include the first clamping head and connect with first clamping head
One conducting wire, first clamping head are used to connect the steel tower cross-arm of suspension ground wire；
Second conductive clip gripping member, the second conductive clip gripping member include the second clamping head and connect with second clamping head
Two conducting wires, second clamping head is for connecting the ground wire；
Conductor wire clamp, the conductor wire clamp connect first conducting wire and the second conducting wire.
2. ground protection block according to claim 1, which is characterized in that the ground protection block includes described in 1
First conductive clip gripping member and 2 the second conductive clip gripping members.
3. ground protection block according to claim 1, which is characterized in that first clamping head include first substrate and
It is fixed on the first pressing plate on the first substrate by threaded fastener, is formed and is used between the first substrate and the first pressing plate
In the first mounting hole being fixed on the steel tower cross-arm；
The second pressing plate that second clamping head includes the second substrate and is fixed in the second substrate by threaded fastener,
The second mounting hole for being fixed on the ground wire is formed between the second substrate and the second pressing plate.
4. ground protection block according to claim 3, which is characterized in that first pressing plate is close to first conducting wire
One end and the first substrate it is hinged, first pressing plate is fixed far from one end of first conducting wire by threaded fastener
In on the first substrate；
Second pressing plate is hinged close to one end of second conducting wire and the second substrate, and second pressing plate is far from described
One end of second conducting wire is fixed in the second substrate by threaded fastener.
5. ground protection block according to any one of claims 1-4, which is characterized in that the conductor wire clamp includes the
One conductive plate and the second conductive plate on first conductive plate, first conductive plate and are fixed on by threaded fastener
Multiple third mounting holes for conducting wire are formed between two conductive plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464985.8A CN109494675A (en) | 2018-12-02 | 2018-12-02 | Ground protection block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464985.8A CN109494675A (en) | 2018-12-02 | 2018-12-02 | Ground protection block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494675A true CN109494675A (en) | 2019-03-19 |
Family
ID=65699026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811464985.8A Pending CN109494675A (en) | 2018-12-02 | 2018-12-02 | Ground protection block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494675A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6457570A (en) * | 1987-08-27 | 1989-03-03 | Asahi Electronics | Grounding metal |
| CN102170051A (en) * | 2011-03-02 | 2011-08-31 | 安徽电力广德供电有限责任公司 | Hinge type middle jointing clamp |
| CN102868031A (en) * | 2012-08-08 | 2013-01-09 | 河南省电力公司信阳供电公司 | Detachable grounding wire connecting device |
| JP2013141332A (en) * | 2011-12-28 | 2013-07-18 | Furukawa Electric Power Systems Co Ltd | Jumper wire vibration suppressing device |
| CN204538271U (en) * | 2015-03-25 | 2015-08-05 | 国家电网公司 | Bolt matable load transfer plan wire clamp |
| CN206379706U (en) * | 2016-12-08 | 2017-08-04 | 中国南方电网有限责任公司超高压输电公司广州局 | Extra-high voltage lightning conducter anti-off device |
| CN108336710A (en) * | 2017-01-20 | 2018-07-27 | 深圳带路科技有限公司 | A kind of ground wire connection Double safety device |
| CN108365585A (en) * | 2018-04-12 | 2018-08-03 | 广东电网有限责任公司 | A kind of anti-lightning strike break wire device of transmission line of electricity |
| CN209233422U (en) * | 2018-12-02 | 2019-08-09 | 徐峰 | Ground protection block |
-
2018
- 2018-12-02 CN CN201811464985.8A patent/CN109494675A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6457570A (en) * | 1987-08-27 | 1989-03-03 | Asahi Electronics | Grounding metal |
| CN102170051A (en) * | 2011-03-02 | 2011-08-31 | 安徽电力广德供电有限责任公司 | Hinge type middle jointing clamp |
| JP2013141332A (en) * | 2011-12-28 | 2013-07-18 | Furukawa Electric Power Systems Co Ltd | Jumper wire vibration suppressing device |
| CN102868031A (en) * | 2012-08-08 | 2013-01-09 | 河南省电力公司信阳供电公司 | Detachable grounding wire connecting device |
| CN204538271U (en) * | 2015-03-25 | 2015-08-05 | 国家电网公司 | Bolt matable load transfer plan wire clamp |
| CN206379706U (en) * | 2016-12-08 | 2017-08-04 | 中国南方电网有限责任公司超高压输电公司广州局 | Extra-high voltage lightning conducter anti-off device |
| CN108336710A (en) * | 2017-01-20 | 2018-07-27 | 深圳带路科技有限公司 | A kind of ground wire connection Double safety device |
| CN108365585A (en) * | 2018-04-12 | 2018-08-03 | 广东电网有限责任公司 | A kind of anti-lightning strike break wire device of transmission line of electricity |
| CN209233422U (en) * | 2018-12-02 | 2019-08-09 | 徐峰 | Ground protection block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190319 |
|
| WD01 | Invention patent application deemed withdrawn after publication |