CN114156827A - Lightning arrester insulating cross arm combination device - Google Patents
Lightning arrester insulating cross arm combination device Download PDFInfo
- Publication number
- CN114156827A CN114156827A CN202111651893.2A CN202111651893A CN114156827A CN 114156827 A CN114156827 A CN 114156827A CN 202111651893 A CN202111651893 A CN 202111651893A CN 114156827 A CN114156827 A CN 114156827A
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- Prior art keywords
- arm
- cross
- insulating
- busbar
- lightning arrester
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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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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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
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Abstract
本发明公开了一种避雷器绝缘横担组合装置，包括绝缘横担、避雷器和母排，还包括验电接地杆、内置铜排螺纹接地件和引出式接地杆；所述避雷器包括横担连接螺杆和母排连接螺杆；横担连接螺杆依次穿过绝缘横担及内置铜排螺纹接地件的横担连接孔与二者螺纹连接，内置铜排螺纹接地件紧紧贴合在避雷器一侧，引出式接地杆设置于绝缘横担内侧，与内置铜排螺纹接地件及绝缘横担通过螺栓相连接，母排连接螺杆与母排螺纹连接，母排上还螺纹连接有验电接地杆，在母排的上下两侧分别开设有用于连接高压引线接线端子的端子连接孔。
The invention discloses a lightning arrester insulating cross-arm assembly device, comprising an insulating cross-arm, a lightning arrester and a busbar, as well as an electrical inspection grounding rod, a built-in copper bar threaded grounding piece and a lead-out grounding rod; the lightning arrester comprises a cross-arm connecting screw and the busbar connecting screw; the cross-arm connecting screw passes through the insulating cross-arm and the cross-arm connecting hole of the built-in copper bar threaded grounding piece in turn to connect with the two, the built-in copper bar threaded grounding piece is tightly attached to the side of the arrester, and the lead out The type grounding rod is arranged on the inner side of the insulating cross-arm, and is connected with the built-in copper bar threaded grounding piece and the insulating cross-arm through bolts. The busbar connecting screw is connected with the busbar thread. The upper and lower sides of the row are respectively provided with terminal connection holes for connecting the high-voltage lead terminals.
Description
Technical Field
The invention relates to an arrester insulating cross arm combination device used in the field of overhead line cross arms.
Background
The prior overhead line mainly comprises an iron cross arm, has low insulation degree and is not beneficial to live working. Meanwhile, the iron cross arm is usually galvanized to improve the oxidation resistance and the corrosion resistance, but the surface of the cross arm is often damaged due to process problems and quality problems, so that certain potential safety hazards are caused. In some big cities, especially old cities, the power accidents are easily caused and the loss is caused because the dense distribution and insulation degree of the power grid is not enough.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an insulating cross arm combination device of a lightning arrester, which can replace an iron cross arm on a line tower and improve the line insulation grade.
One technical scheme for achieving the above purpose is as follows: an arrester insulating cross arm combination device comprises an insulating cross arm, an arrester and a busbar, and further comprises an electricity testing grounding rod, a built-in copper bar threaded grounding piece and a leading-out grounding rod;
the lightning arrester comprises a cross arm connecting screw rod and a busbar connecting screw rod;
the cross arm connecting screw rod sequentially penetrates through the insulating cross arm and a cross arm connecting hole of the built-in copper bar threaded grounding piece to be in threaded connection with the insulating cross arm and the built-in copper bar threaded grounding piece, the built-in copper bar threaded grounding piece is tightly attached to one side of the lightning arrester, and the lead-out grounding rod is arranged on the inner side of the insulating cross arm and is connected with the built-in copper bar threaded grounding piece and the insulating cross arm through bolts;
female connecting screw and female threaded connection of arranging, female still threaded connection have the electricity of testing grounding rod on arranging, offer the terminal connecting hole that is used for connecting high-voltage lead wire binding post respectively in female upper and lower both sides of arranging.
Further, the lightning arrester is a pillar type zinc oxide lightning arrester.
Furthermore, a metal hoop mounting hole is formed in the middle of the insulating cross arm, an insulating sleeve penetrates through the metal hoop mounting hole, and the insulating sleeve is fixed through waterproof glue.
Further, the metal hoop mounting holes are divided into two groups, and each group is provided with 2 holes.
Furthermore, a plurality of cross arm connecting holes are correspondingly formed in the insulating cross arm and the built-in copper bar threaded grounding piece.
Furthermore, an insulating shield is sleeved on the outer side of the busbar and is locked through a fastening nail.
Furthermore, two sides of the insulating cross arm are pressed tightly through end covers.
The lightning arrester insulating cross arm combined device is suitable for urban mass districts with high power grid dense insulation requirements, live-line operation can be achieved in the process of initial installation and replacement, loss caused by power failure is reduced, an entire copper bar is adopted as a main body for internal grounding, threads are arranged on the copper bar to facilitate installation of the lightning arrester, stable connection of electrical connection points is guaranteed, the grounding rod is prefabricated outside the insulating cross arm, and the grounding wire is conveniently connected.
Drawings
Fig. 1 is a schematic structural diagram of an arrester insulating cross arm assembly according to the present invention;
fig. 2 is a schematic structural diagram of an arrester insulated cross arm assembly according to the present invention;
fig. 3 is a schematic structural diagram of an insulating cross arm of an arrester insulating cross arm assembly according to the present invention;
fig. 4 is a schematic structural view of a built-in copper bar threaded grounding part of the arrester insulating cross arm assembly according to the present invention;
fig. 5 is a schematic structural diagram of a busbar of an arrester insulated cross arm assembly according to the present invention.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
referring to fig. 1, the arrester insulating cross arm assembly of the present invention includes an insulating cross arm 1, a pillar-type zinc oxide arrester 2, a busbar 3, an electricity testing grounding rod 4, a built-in copper bar threaded grounding piece 5, an insulating shield 6, a lead-out grounding rod and an end cap, and is mainly applied to a line equipment end and has an overvoltage protection function.
Referring to fig. 2, the pillar type zinc oxide arrester 2 includes a cross arm connecting screw 21 and a busbar connecting screw 22. Referring to fig. 3 and 4, the openings of the insulating cross arm 1 and the built-in copper bar threaded grounding piece 5 are in one-to-one correspondence, and the insulating cross arm 1 is provided with 3 cross arm connecting holes 11. The cross arm connecting screw rod 21 sequentially penetrates through cross arm connecting holes of the insulating cross arm 1 and the built-in copper bar thread grounding piece 5 to be in threaded connection with the cross arm connecting holes, the other side of the insulating cross arm 1 is screwed up by a screw cap, the built-in copper bar thread grounding piece 5 is tightly attached to one side of the lightning arrester, and therefore electrical connection is guaranteed and the mechanical performance of the whole structure is more stable.
Two sets of metal staple bolt mounting holes 12 have been seted up at insulating cross arm 1's middle part, and every group respectively is equipped with 2 trompils, has worn insulation support in it to fix the increase intensity through the waterproof glue, be used for installing the metal staple bolt. The four-hole design can meet the installation requirements of different towers and the requirements of three tip diameters, and the insulating cross arm can be isolated from the metal hoop by using the insulating sleeve, so that the insulating protection effect is achieved.
The lead-out type grounding rod is arranged on the inner side of the insulating cross arm and is connected with the built-in copper bar threaded grounding piece and the insulating cross arm through bolts, the threaded design of the grounding rod connecting hole 13 is well guaranteed to be electrically connected, the lead-out type grounding rod can play a role in fixing the built-in copper bar threaded grounding piece well, and the insulating cross arm is convenient to connect with the ground wire.
Referring to fig. 5, the busbar connecting screw 22 is in threaded connection with the busbar connecting hole 33 of the busbar 3. Still be equipped with the earthed pole connecting hole 34 on female arranging 3, threaded connection has electroscopic earthed pole 4, conveniently tests the electricity and articulates bypass ground wire when overhauing the change, safe convenient construction again promptly. And the upper side and the lower side of the busbar are respectively provided with a terminal connecting hole 31 for connecting a high-voltage lead wiring terminal, and the terminal connecting holes are used for connecting the wiring terminals on the high-voltage lead. The high-voltage lead is in press connection with the upper wiring terminal which can be directly screwed on the busbar 3, the installation construction process is simplified, the labor intensity is reduced, and the busbar 3 and the wiring terminal are both made of copper to ensure stable electrical connection with certain flexibility.
Insulating guard shield 6 is arranging 3 whole covers of arranging and is locking with the cramp, prevents that dust, rainwater, salt stain from arranging 3 and the corruption of connecting piece to female, improving the insulation level of whole device, and insulating wire gets into insulating guard shield and is insulating design to insulating cross arm is whole again, does not leak naked dew point safe and reliable more outward, improves the insulation level of whole circuit. The insulating cross arm composite set of arrester, the end cover covers 1 both sides of insulating cross arm and compresses tightly, prevents that dust, rainwater, salt stain from entering into inside the corroding to the metalwork of insulating cross arm. The lightning arrester insulating cross arm combination device is characterized in that a screw joint on an insulating cross arm 1 and end cover gaps on two sides are sealed by waterproof insulating resin. It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111651893.2A CN114156827A (en) | 2021-12-30 | 2021-12-30 | Lightning arrester insulating cross arm combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111651893.2A CN114156827A (en) | 2021-12-30 | 2021-12-30 | Lightning arrester insulating cross arm combination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114156827A true CN114156827A (en) | 2022-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111651893.2A Pending CN114156827A (en) | 2021-12-30 | 2021-12-30 | Lightning arrester insulating cross arm combination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114156827A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359894Y (en) * | 2009-02-27 | 2009-12-09 | 上海兆邦电力器材有限公司 | Column-type lightning arrester device provided with electricity testing earthed pole and piercing connector |
| CN103956704A (en) * | 2012-07-18 | 2014-07-30 | 上海兆邦电力器材有限公司 | Combination of lightning arresters and insulating cross arm |
| CN208581048U (en) * | 2018-07-27 | 2019-03-05 | 国网浙江桐乡市供电有限公司 | A kind of Novel pillar formula arrester |
| CN210378641U (en) * | 2019-07-19 | 2020-04-21 | 马鞍山市华能电力线路器材有限责任公司 | Lightning arrester device capable of preventing lightning stroke from breaking |
| CN217010310U (en) * | 2021-12-30 | 2022-07-19 | 国网上海市电力公司 | Lightning arrester insulating cross arm combination device |
-
2021
- 2021-12-30 CN CN202111651893.2A patent/CN114156827A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201359894Y (en) * | 2009-02-27 | 2009-12-09 | 上海兆邦电力器材有限公司 | Column-type lightning arrester device provided with electricity testing earthed pole and piercing connector |
| CN103956704A (en) * | 2012-07-18 | 2014-07-30 | 上海兆邦电力器材有限公司 | Combination of lightning arresters and insulating cross arm |
| CN208581048U (en) * | 2018-07-27 | 2019-03-05 | 国网浙江桐乡市供电有限公司 | A kind of Novel pillar formula arrester |
| CN210378641U (en) * | 2019-07-19 | 2020-04-21 | 马鞍山市华能电力线路器材有限责任公司 | Lightning arrester device capable of preventing lightning stroke from breaking |
| CN217010310U (en) * | 2021-12-30 | 2022-07-19 | 国网上海市电力公司 | Lightning arrester insulating cross arm combination device |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220308 |