CN114204508A - Grounding ring device of cable terminal - Google Patents
Grounding ring device of cable terminal Download PDFInfo
- Publication number
- CN114204508A CN114204508A CN202111391788.XA CN202111391788A CN114204508A CN 114204508 A CN114204508 A CN 114204508A CN 202111391788 A CN202111391788 A CN 202111391788A CN 114204508 A CN114204508 A CN 114204508A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- holder
- clamping seat
- wire
- cable termination
- 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
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/22—Arrangements of earthing wires suspended between mastheads
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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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- Clamps And Clips (AREA)
Abstract
The invention relates to a grounding ring device of a cable terminal, which comprises a clamping assembly and an aluminum alloy wire hanging ring, wherein the clamping assembly comprises an aluminum alloy upper clamping seat and an aluminum alloy lower clamping seat; the invention has the advantages that: install the aluminum alloy lacing wire ring on the last drainage jumper wire of cable terminal through the centre gripping subassembly, consequently, only need during the ground connection with the earth bar on the aluminum alloy lacing wire ring just can be quick realization ground connection work, high durability and convenient installation, maintainer's response electricity electric shock risk has been reduced, because the centre gripping subassembly sets to on the aluminum alloy holder and the aluminum alloy holder down, and the aluminum alloy holder passes through stainless steel bolt subassembly fastening under holder and the aluminum alloy, consequently, great assurance that whole ground loop device has excellent corrosion resisting property, thereby adapt to along the great installation environment of sea salt dirt, long-term operation's reliability has been ensured.
Description
Technical Field
The invention relates to a grounding ring device of a cable terminal.
Background
At present, when a power line is overhauled in a power failure mode, in order to avoid the damage to the personal safety of field operation personnel caused by induced voltage and misoperation, a conducting wire is required to be hung with a grounding wire for grounding before overhauling operation. The existing grounding rod (clamp) generally has 2 types: one is that the earth clamp is made up of soft copper wire and clamp; the other type is formed by an insulating grounding rod (with a U-shaped wire clamp at the head) and a soft copper wire, the grounding rod (clamp) is suitable for arranging the jumper wire below the cross arm of the power transmission line tower horizontally, and the head wire clamp of the grounding rod is hung on the horizontal jumper wire and is not easy to fall off.
The cable terminal tower is electrically connected with an overhead transmission conductor through an upper lead jumper, and the upper lead is fixedly supported by a horizontal support insulator; this kind of design is when fortune dimension personnel overhauls the cable terminal head, need articulate the ground wire operation at the cable head, because the cable head all is perpendicular design with the last wire jumper that draws, traditional earth bar is difficult to hang and establishes, and easy landing, can only press from both sides the centre gripping with the ground and be qualified for the next round of competitions gold utensil department at the cable terminal head, and the cable head gold utensil of being qualified for the next round of competitions is great for the diameter, and traditional earth clamp presss from both sides the mouth less, the design of clamp mouth circular arc recess often mismatches with cable head copper conductor, and the clamp mouth is the spring structure, frictional force is limited, easy slippage, bring the hidden danger for operation personnel safety.
Disclosure of Invention
The invention aims to provide a grounding ring device of a cable terminal, which can ensure that the grounding ring device has excellent corrosion resistance and can adapt to installation environment with large salt pollution along the sea.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a cable termination's earthing ring device, cable termination is including the gold utensil of being qualified for the next round of competitions and setting up the last drainage wire jumper of the gold utensil of being qualified for the next round of competitions, including installing the centre gripping subassembly on last drainage wire jumper to and be used for hanging the aluminum alloy string wire loop of establishing the earth bar, the centre gripping subassembly includes on the aluminum alloy holder and the aluminum alloy holder down, be equipped with the wire-holding groove on the aluminum alloy holder or the aluminum alloy holder under the aluminum alloy, the holder passes through stainless steel bolt subassembly fixed connection under the aluminum alloy on the holder, be equipped with downwardly extending's connecting portion under the aluminum alloy on the holder, connecting portion link to each other with aluminum alloy string wire loop.
Preferably, the aluminum alloy upper clamping seat is movably connected with an adjusting assembly, the adjusting assembly is provided with an aluminum alloy pressing tongue which is abutted against the upper drainage jumper, and a clamping hole for clamping the upper drainage jumper is formed between the aluminum alloy pressing tongue and the wire holding groove.
Preferably, the adjusting assembly comprises a nut, a screw rod and a pressure spring, the nut is fixedly connected to the upper clamping seat, the pressure tongue is arranged on the screw rod, and the pressure spring is arranged between the pressure tongue and the upper clamping seat.
Preferably, the aluminum alloy pressure tongue is provided with a threaded hole matched with the screw rod, and the aluminum alloy pressure tongue is provided with a locking screw for locking the aluminum alloy pressure tongue on the screw rod.
Preferably, the aluminum alloy upper clamping seat is provided with a step which is pressed against the stainless steel pressure spring.
Preferably, the screw rod is provided with a circular ring, and the circular ring and the screw rod are of an integrated structure.
Preferably, the connecting portion include one section and hang the slope section that the line ring links to each other to and one section and the circular arc section that the holder links to each other down, just slope section and circular arc section formula structure as an organic whole.
Preferably, the aluminum alloy wire hanging ring is provided with an opening, and the opening is provided with an arc chamfer.
Preferably, the aluminum alloy upper clamping seat is provided with an extension section extending outwards, and the stainless steel bolt assembly is arranged between the extension section and the aluminum alloy lower clamping seat.
Preferably, the outer side walls of the aluminum alloy upper clamping seat, the aluminum alloy lower clamping seat and the aluminum alloy wire hanging ring are respectively provided with a corona layer.
In conclusion, the invention has the advantages that: the aluminum alloy wire hanging ring is arranged on the upper drainage jumper wire of the cable terminal through the clamping assembly, so that the grounding work can be quickly realized only by hanging the grounding rod on the aluminum alloy wire hanging ring during grounding, the installation is convenient, the induced electric shock risk of maintainers is reduced, the whole clamping assembly is arranged on the upper drainage jumper wire of the cable terminal, the insulating property of a cable terminal sleeve cannot be reduced, the wire outlet hardware fitting and connecting metal bolts of the cable terminal are shielded, the corona of the hardware fitting at the head of the cable is reduced, the electric field distribution of the cable terminal is improved, and secondly, the clamping assembly is arranged into an aluminum alloy upper clamping seat and an aluminum alloy lower clamping seat which are fastened through the stainless steel bolt assembly, so that the whole grounding ring device is greatly ensured to have excellent corrosion resistance, thereby being suitable for the installation environment with large sea salt pollution along the sea, the reliability of long-term operation is ensured, the whole service life is prolonged, finally, the wire bearing groove can improve the fixing quality of the clamping assembly, the wire bearing groove is arranged on the lower aluminum alloy clamping seat or the upper aluminum alloy clamping seat, different mounting structures can be arranged according to the actual safety environment, and the whole mounting quality is improved.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a ground ring device of a cable termination according to the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic view of the grounding ring device of the present invention mounted on a cable termination.
Reference numerals:
the aluminum alloy grounding device comprises a clamping assembly 1, an aluminum alloy upper clamping seat 2, a step 21, an extension section 22, a stainless steel bolt assembly 23, an aluminum alloy lower clamping seat 3, a wire bearing groove 31, an adjusting assembly 4, a nut 41, a screw rod 42, a stainless steel pressure spring 43, a ring 44, an aluminum alloy press tongue 5, a locking screw 51, a connecting part 6, a 60 inclined section, a 61 arc section, a 7 aluminum alloy hanging wire ring, an opening 71, a 72 arc chamfer, an 8 cable terminal, an 81 wire outlet fitting, an 82 upper drainage jumper wire and a 9 grounding rod.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, a ground ring device of cable terminal, cable terminal 8 is including the gold utensil 81 of being qualified for the next round of competitions and setting up at the last drainage wire jumper 82 of gold utensil 81 of being qualified for the next round of competitions, including installing clamping component 1 on last drainage wire jumper 82 to and be used for hanging the aluminum alloy loop 7 of establishing earth bar 9, clamping component 1 includes on the aluminum alloy on holder 2 and the aluminum alloy holder 3 down, be equipped with the wire-holding groove on holder or the aluminum alloy holder under the aluminum alloy, the wire-holding groove 31 of this embodiment preferentially sets up under the aluminum alloy on holder 3, holder 2 passes through stainless steel bolt subassembly 23 fixed connection under the aluminum alloy on holder 3, be equipped with downwardly extending's connecting portion 6 under the aluminum alloy on holder 3, connecting portion 6 links to each other with aluminum alloy loop 7.
The aluminum alloy wire hanging ring is arranged on the upper drainage jumper wire of the cable terminal through the clamping assembly, so that the grounding work can be quickly realized only by hanging the grounding rod on the aluminum alloy wire hanging ring during grounding, the installation is convenient, the induced electric shock risk of maintainers is reduced, the whole clamping assembly is arranged on the upper drainage jumper wire of the cable terminal, the insulating property of a cable terminal sleeve cannot be reduced, the wire outlet hardware fitting and connecting metal bolts of the cable terminal are shielded, the corona of the hardware fitting at the head of the cable is reduced, the electric field distribution of the cable terminal is improved, and secondly, the clamping assembly is arranged into an aluminum alloy upper clamping seat and an aluminum alloy lower clamping seat which are fastened through the stainless steel bolt assembly, so that the whole grounding ring device is greatly ensured to have excellent corrosion resistance, thereby being suitable for the installation environment with large sea salt pollution along the sea, the reliability of long-term operation is ensured, the whole service life is prolonged, finally, the wire bearing groove can improve the fixing quality of the clamping assembly, the wire bearing groove is arranged on the lower aluminum alloy clamping seat or the upper aluminum alloy clamping seat, different mounting structures can be arranged according to the actual safety environment, and the whole mounting quality is improved.
The utility model discloses a cable tie-in is characterized in that it has adjusting part 4 to go up swing joint on the holder 2 on the aluminum alloy, be equipped with the aluminum alloy spatula 5 that offsets with last drainage wire jumper 82 on the adjusting part 4, the centre gripping hole of drainage wire jumper on forming the centre gripping between aluminum alloy spatula 5 and the holding groove 31, the centre gripping of going up the drainage wire jumper is realized fixed through the centre gripping hole between aluminum alloy spatula and the holding groove, because the aluminum alloy spatula passes through adjusting part and sets up on the holder on the aluminum alloy, thereby makes its last drainage wire jumper that can adapt to different specifications, thereby is suitable for different voltage class cable line connections, has improved holistic practicality.
The adjusting assembly 4 comprises a nut 41, a screw rod 42 and a stainless steel pressure spring 43, the nut 41 is fixedly connected to the aluminum alloy upper clamping seat 2, the aluminum alloy pressing tongue 5 is arranged on the screw rod 42, the stainless steel pressure spring 43 is arranged between the aluminum alloy pressing tongue 5 and the aluminum alloy upper clamping seat 2, the adjusting assembly 4 is set to be of a structure of the nut 41, the screw rod 42 and the stainless steel pressure spring 43, and the nut 41 is fixedly connected to the aluminum alloy upper clamping seat 2, so that the screw rod 42 can move up and down in the nut 41, the aluminum alloy pressing tongue 5 is driven to move up and down, the straightness of the movement of the aluminum alloy pressing tongue 5 is guaranteed, the quality of clamping a lead is improved, the stainless steel pressure spring 43 is arranged, the acting force of the aluminum alloy pressing tongue 5 on the upper drainage jumper 82 can be reduced, and the damage of the upper drainage jumper 82 is avoided.
The aluminum alloy spatula 5 is provided with a threaded hole, the aluminum alloy spatula 5 is provided with a locking screw 51 for locking the aluminum alloy spatula 5 on the screw rod 42, the threaded hole facilitates the installation of the aluminum alloy spatula 5 on the screw rod 42, the arrangement of the locking screw 51 can lock the aluminum alloy spatula 5 on the screw rod 42, the movement of the aluminum alloy spatula 5 when the screw rod 42 moves is avoided, the clamping quality of the whole clamping assembly 1 is improved, the aluminum alloy upper clamping seat 2 is provided with a step 21 which is abutted against the stainless steel pressure spring 43, the arrangement of the step 21 can increase the contact area of the stainless steel pressure spring 43 and the aluminum alloy upper clamping seat 2, the stability when the stainless steel pressure spring 43 contracts is ensured, the screw rod 42 is provided with a ring 44, the ring 44 and the screw rod 42 are of an integrated structure, the ring 44 is convenient for an installer to operate the screw rod 42, and the ring 44 and the screw rod 42 are arranged into an integrated structure, the installation process between the circular ring 44 and the screw rod 42 can be simplified, and the connection strength between the circular ring 44 and the screw rod 42 is improved.
Connecting portion 6 includes one section slope section 60 that links to each other with aluminum alloy lacing wire ring 7 to and one section arc section 61 that links to each other with the aluminum alloy lower holder 3, just slope section 60 and arc section 61 formula structure as an organic whole, set connecting portion 6 to slope section 60 and arc section 61, can set up the arc section 61 of different angles according to the installation demand of reality, satisfy different installation demands, secondly, set slope section 60 and arc section 61 formula structure as an organic whole, can improve the joint strength of whole connecting portion 6, can simplify the mounting process between slope section 60 and the arc section 61, be equipped with opening 71 on the aluminum alloy lacing wire ring 7, opening 71 department is equipped with circular arc chamfer 72, and opening 71's setting makes things convenient for the installation of whole aluminum alloy lacing wire ring 7, and the setting of circular arc chamfer 72 reduces the harm to the wire in the installation.
The aluminum alloy upper clamping seat 2 is provided with an extension section 22 extending outwards, the stainless steel bolt assembly 23 is arranged between the extension section 22 and the aluminum alloy lower clamping seat 3, the contact area between the aluminum alloy upper clamping seat 2 and the aluminum alloy lower clamping seat 3 can be increased, the fixing quality between the whole aluminum alloy upper clamping seat 2 and the whole aluminum alloy lower clamping seat 3 can be improved, the stainless steel bolt assembly 23 is arranged between the extension section 22 and the aluminum alloy lower clamping seat 3, the fixing quality of the stainless steel bolt assembly 23 can be improved, finally, the extension section 22 and the aluminum alloy upper clamping seat 2 in the embodiment can be arranged into an integrated structure, the installation strength of the aluminum alloy upper clamping seat 2 can be improved, the installation process between the extension section 22 and the aluminum alloy upper clamping seat 2 is simplified, the outer side walls of the aluminum alloy upper clamping seat 2, the aluminum alloy lower clamping seat 3 and the aluminum alloy wire hanging ring 7 are all provided with corona layers, and the whole vertical hanging type grounding ring device can adapt to long-term live working, the service life of the whole is prolonged, and the reliable operation of the power grid is not influenced.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (10)
1. The utility model provides a cable termination's ground ring device, cable termination is including the gold utensil of being qualified for the next round of competitions and set up the last drainage wire jumper of the gold utensil of being qualified for the next round of competitions, its characterized in that: including installing the centre gripping subassembly on last drainage wire jumper to and be used for hanging the aluminum alloy string wire ring of establishing the earth bar, the centre gripping subassembly includes on the aluminum alloy holder and the aluminum alloy holder down, be equipped with the wire-holding groove on holder or the aluminum alloy holder under the aluminum alloy, the holder passes through stainless steel bolt subassembly fixed connection under the aluminum alloy on the holder, be equipped with downwardly extending's connecting portion under the aluminum alloy on the holder, connecting portion link to each other with aluminum alloy string wire ring.
2. A ground ring arrangement for a cable termination according to claim 1, wherein: the aluminum alloy upper clamping seat is movably connected with an adjusting assembly, the adjusting assembly is provided with an aluminum alloy pressing tongue which is abutted against the upper drainage jumper, and a clamping hole for clamping the upper drainage jumper is formed between the aluminum alloy pressing tongue and the wire holding groove.
3. A ground ring arrangement for a cable termination according to claim 2, wherein: the adjusting component comprises a nut, a screw rod and a stainless steel pressure spring, the nut is fixedly connected to the aluminum alloy upper clamping seat, the aluminum alloy pressing tongue is arranged on the screw rod, and the stainless steel pressure spring is arranged between the aluminum alloy pressing tongue and the aluminum alloy upper clamping seat.
4. A ground ring arrangement for a cable termination according to claim 3, wherein: the aluminum alloy pressure tongue is provided with a threaded hole matched with the screw rod, and the aluminum alloy pressure tongue is provided with a locking screw for locking the aluminum alloy pressure tongue on the screw rod.
5. A ground ring arrangement for a cable termination according to claim 3, wherein: and the aluminum alloy upper clamping seat is provided with steps which are abutted against the stainless steel pressure spring.
6. A ground ring arrangement for a cable termination according to claim 3, wherein: the screw rod is provided with a circular ring, and the circular ring and the screw rod are of an integrated structure.
7. A ground ring arrangement for a cable termination according to claim 1, wherein: the connecting portion include one section and hang the slope section that the line ring links to each other to and one section and the circular arc section that the holder links to each other down, just slope section and circular arc section formula structure as an organic whole.
8. A ground ring arrangement for a cable termination according to claim 1, wherein: the aluminum alloy wire hanging ring is provided with an opening, and the opening is provided with an arc chamfer.
9. A ground ring arrangement for a cable termination according to claim 1, wherein: the aluminum alloy upper clamping seat is provided with an extension section extending outwards, and the stainless steel bolt assembly is arranged between the extension section and the aluminum alloy lower clamping seat.
10. A ground ring arrangement for a cable termination according to claim 1, wherein: and corona layers are arranged on the outer side walls of the aluminum alloy upper clamping seat, the aluminum alloy lower clamping seat and the aluminum alloy wire hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391788.XA CN114204508A (en) | 2021-11-19 | 2021-11-19 | Grounding ring device of cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391788.XA CN114204508A (en) | 2021-11-19 | 2021-11-19 | Grounding ring device of cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114204508A true CN114204508A (en) | 2022-03-18 |
Family
ID=80648371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111391788.XA Pending CN114204508A (en) | 2021-11-19 | 2021-11-19 | Grounding ring device of cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114204508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115642413A (en) * | 2022-12-23 | 2023-01-24 | 北京飞利信信息安全技术有限公司 | Ground cable for electric tower based on communication and mounting structure thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0555726U (en) * | 1991-12-19 | 1993-07-23 | 古河電気工業株式会社 | Corona prevention ring for overhead power lines |
| KR200235038Y1 (en) * | 2000-12-22 | 2001-09-26 | 한국전력공사 | Earth device for power cable |
| CN1653288A (en) * | 2002-04-02 | 2005-08-10 | 预制管线产品公司 | Modular cable support apparatus, method, and system |
| CN201655996U (en) * | 2010-03-08 | 2010-11-24 | 石朝洗 | Composite strut type insulation grounding ring |
| JP2012023942A (en) * | 2010-07-16 | 2012-02-02 | Chugoku Electric Power Co Inc:The | Grounding tool |
| CN202352852U (en) * | 2011-12-03 | 2012-07-25 | 嵊州市电力公司 | Grounding device with support insulator |
| CN203521668U (en) * | 2013-10-31 | 2014-04-02 | 永久电力金具有限公司 | Grounding wire clamp |
| CN204156135U (en) * | 2014-09-11 | 2015-02-11 | 国家电网公司 | Hv cable termination earthing clamp |
| CN204792251U (en) * | 2015-07-15 | 2015-11-18 | 国家电网公司 | Insulator |
| CN105453354A (en) * | 2014-04-30 | 2016-03-30 | 西美雷电气公司 | Multi-electrode discharging screen |
| CN112531361A (en) * | 2020-10-23 | 2021-03-19 | 广西电网有限责任公司北海供电局 | Novel pipe generating line earth connection articulates device |
| CN216698755U (en) * | 2021-11-19 | 2022-06-07 | 国网浙江义乌市供电有限公司 | Vertically-articulated grounding ring device |
-
2021
- 2021-11-19 CN CN202111391788.XA patent/CN114204508A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0555726U (en) * | 1991-12-19 | 1993-07-23 | 古河電気工業株式会社 | Corona prevention ring for overhead power lines |
| KR200235038Y1 (en) * | 2000-12-22 | 2001-09-26 | 한국전력공사 | Earth device for power cable |
| CN1653288A (en) * | 2002-04-02 | 2005-08-10 | 预制管线产品公司 | Modular cable support apparatus, method, and system |
| CN201655996U (en) * | 2010-03-08 | 2010-11-24 | 石朝洗 | Composite strut type insulation grounding ring |
| JP2012023942A (en) * | 2010-07-16 | 2012-02-02 | Chugoku Electric Power Co Inc:The | Grounding tool |
| CN202352852U (en) * | 2011-12-03 | 2012-07-25 | 嵊州市电力公司 | Grounding device with support insulator |
| CN203521668U (en) * | 2013-10-31 | 2014-04-02 | 永久电力金具有限公司 | Grounding wire clamp |
| CN105453354A (en) * | 2014-04-30 | 2016-03-30 | 西美雷电气公司 | Multi-electrode discharging screen |
| CN204156135U (en) * | 2014-09-11 | 2015-02-11 | 国家电网公司 | Hv cable termination earthing clamp |
| CN204792251U (en) * | 2015-07-15 | 2015-11-18 | 国家电网公司 | Insulator |
| CN112531361A (en) * | 2020-10-23 | 2021-03-19 | 广西电网有限责任公司北海供电局 | Novel pipe generating line earth connection articulates device |
| CN216698755U (en) * | 2021-11-19 | 2022-06-07 | 国网浙江义乌市供电有限公司 | Vertically-articulated grounding ring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115642413A (en) * | 2022-12-23 | 2023-01-24 | 北京飞利信信息安全技术有限公司 | Ground cable for electric tower based on communication and mounting structure thereof |
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