CN109327003B - Wind-proof device for electric cable - Google Patents
Wind-proof device for electric cable Download PDFInfo
- Publication number
- CN109327003B CN109327003B CN201811429319.0A CN201811429319A CN109327003B CN 109327003 B CN109327003 B CN 109327003B CN 201811429319 A CN201811429319 A CN 201811429319A CN 109327003 B CN109327003 B CN 109327003B
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- CN
- China
- Prior art keywords
- nut
- screw rod
- cross arm
- recess
- hole
- 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.)
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- 239000012212 insulator Substances 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Insulators (AREA)
Abstract
The invention relates to the technical field of wind prevention of electric cables, in particular to a wind prevention device of an electric cable, which comprises a cross arm and an insulator, wherein the cross arm is a channel steel with a forward opening, upper through holes and lower through holes which correspond up and down are formed in an upper plate and a lower plate of the channel steel, the insulator comprises an umbrella cover and a screw rod, the bottom of the umbrella cover is integrally connected with the screw rod, the lower end of the screw rod passes through the upper through holes and the lower through holes and is positioned below the lower through holes, the lower end of the screw rod is fixed at the bottom of the lower plate through a lower nut, and the upper part of the screw rod is fixedly arranged at the bottom of the upper plate through the upper nut. The invention has reasonable and compact structure and convenient use, the cross arm is arranged as the channel steel with the opening facing forward, the material is convenient to obtain, the upper nut is arranged and is matched with the lower nut for use, the vibration-proof effect of the screw rod can be effectively improved, the potential safety hazard of insulator damage is reduced, and the cable can be effectively prevented from falling out of the cable groove by arranging the limiting device, so that the potential safety hazard of power failure caused by cable looseness is reduced.
Description
Technical Field
The invention relates to the technical field of wind prevention of electric cables, in particular to a wind prevention device of an electric cable.
Background
The power transmission line in China is very long, particularly in a wind area, strong wind exists at any time, the insulator fixedly installed on the power distribution cross arm through the nut can be found irregularly, the nut is vibrated to loosen due to invasion of different directions of the strong wind, finally the insulator is damaged, accidents such as inter-phase short circuit tripping and single-phase grounding faults of the line occur, the cable is jumped out from a groove in the upper portion of the insulator due to invasion of different directions of the strong wind, and finally the cable is loosened to cause power faults.
Disclosure of Invention
The invention provides a wind-proof device for a power cable, which overcomes the defects of the prior art and can effectively solve the problems that the insulator is damaged and the cable is loosened to cause faults due to looseness of a nut caused by strong wind.
The technical scheme of the invention is realized by the following measures: the utility model provides a power cable wind-proof device, including cross arm and insulator, the cross arm is the channel-section steel that the opening is forward, all be equipped with upper and lower through-hole and the lower through-hole that corresponds on the upper plate and the hypoplastron of channel-section steel, the insulator includes chute boot and screw rod, the bottom body coupling of chute boot has the screw rod, the lower extreme of screw rod passes upper through-hole and lower through-hole and is located the below of lower through-hole, the bottom of hypoplastron is fixed through lower nut to the lower extreme of screw rod, the upper portion of screw rod passes through upper nut fixed mounting in the bottom of upper plate, be equipped with the cable groove on the upper portion of chute boot, fixed mounting has the stop device that can fix a position the cable in the cable groove on the cross arm at chute boot both ends.
The following are further optimizations and/or improvements to the above-described inventive solution:
the screw below the lower nut is provided with a through hole, and a cotter pin capable of preventing the lower nut from moving downwards is arranged in the through hole.
The locking nut and the gasket are fixedly arranged on the screw rod at the lower side of the upper nut from bottom to top.
The upper nut and the lower nut are locknuts.
The limiting device comprises a left positioning rod, a right positioning rod and a horizontal limiting rod, wherein the left positioning rod and the right positioning rod are respectively fixed on the left side and the right side of the umbrella cover, the right end of the horizontal limiting rod is hinged to the upper portion of the right positioning rod, the upper portion of the left positioning rod is provided with a groove with an upward opening, the left portion of the horizontal limiting rod is positioned in the groove, a limiting hole is formed in the inner wall of the groove above the horizontal limiting rod, and a cotter pin for limiting the horizontal limiting rod in the groove is arranged in the limiting hole.
The outer side of the middle part of the horizontal limiting rod is wrapped with a rubber layer.
The left locating rod and the right locating rod are respectively fixed on the cross arms at the left side and the right side of the umbrella cover through threads and nuts.
Insulators are respectively arranged at two ends of the cross arm.
The invention has reasonable and compact structure and convenient use, the cross arm is arranged as the channel steel with the opening facing forward, the material is convenient to obtain, the upper nut is arranged and is matched with the lower nut for use, the vibration-proof effect of the screw rod can be effectively improved, the potential safety hazard of insulator damage is reduced, and the cable can be effectively prevented from falling out of the cable groove by arranging the limiting device, so that the potential safety hazard of power failure caused by cable looseness is reduced.
Drawings
Fig. 1 is a schematic diagram of a front view structure of embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a front view structure of embodiment 2 of the present invention.
The codes in the drawings are respectively: the novel umbrella comprises a cross arm 1, an upper plate 2, a lower plate 3, an umbrella cover 4, a screw rod 5, a lower nut 6, an upper nut 7, a cable groove 8, a cable 9, a cable 10, a cotter pin 11, a lock nut 12, a gasket 13, a left positioning rod 14, a right positioning rod 15, a horizontal limiting rod 16, a rubber layer and a nut 17.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described below with reference to examples and figures:
example 1: as shown in fig. 1 and 2, the wind-proof device for the electric cable comprises a cross arm 1 and an insulator, wherein the cross arm is a channel steel with a forward opening, an upper through hole and a lower through hole which correspond up and down are formed in an upper plate 2 and a lower plate 3 of the channel steel, the insulator comprises an umbrella cover 4 and a screw 5, the bottom of the umbrella cover 4 is integrally connected with the screw 5, the lower end of the screw 5 penetrates through the upper through hole and the lower through hole and is positioned below the lower through hole, the lower end of the screw 5 is fixed at the bottom of the lower plate 3 through a lower nut 6, the upper part of the screw 5 is fixedly arranged at the bottom of the upper plate 2 through an upper nut 7, a cable groove 8 is formed in the upper part of the umbrella cover 4, and a limiting device capable of positioning a cable 9 in the cable groove 8 is fixedly arranged on the cross arm at two ends of the umbrella cover 4. Like this, through setting up cross arm 1 as opening channel-section steel forward, the material of being convenient for is drawn materials, and set up nut 7 and use with lower nut 6 cooperation, can effectively improve the vibration-proof effect of screw rod, reduced the potential safety hazard that the insulator damaged, and through setting up stop device, can prevent effectively that cable 9 from deviating from in the cable groove 8 to the potential safety hazard that takes place electric power trouble because of the cable is not hard up has been reduced.
The wind-proof device of the electric cable can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, a through hole is formed in the screw 5 below the lower nut 6, and a cotter pin 10 capable of preventing the lower nut 6 from moving downward is provided in the through hole. By the arrangement of the limit pin 10, the lower nut 6 is effectively prevented from moving downwards due to vibration. The stop pin 10 may also employ a stop device known in the art, such as a bolt.
As shown in fig. 1 and 2, a locking nut 11 and a gasket 12 are fixedly arranged on the screw 5 at the lower side of the upper nut 7 from bottom to top. By the arrangement of the double nuts and the gaskets 12, the upper nut 7 can be effectively prevented from moving downwards due to vibration.
The upper nut 7 and the lower nut 6 may each be a locknut, as required.
As shown in fig. 1 and 2, the limiting device comprises a left positioning rod 13, a right positioning rod 14 and a horizontal limiting rod 15, wherein the left positioning rod 13 and the right positioning rod 14 are respectively fixed on the cross arm 1 at the left side and the right side of the umbrella cover 4, the right end of the horizontal limiting rod 15 is hinged on the upper part of the right positioning rod 14, a groove with an upward opening is arranged on the upper part of the left positioning rod 13, the left part of the horizontal limiting rod 15 is positioned in the groove, a limiting hole is arranged on the inner wall of the groove above the horizontal limiting rod 15, and a cotter pin 10 for limiting the horizontal limiting rod 15 in the groove is arranged in the limiting hole. When the cable 9 is used, the cable 9 is placed in the cable groove 8, then the horizontal limiting rod 15 is placed above the cable 9 and in the groove at the left side of the horizontal limiting rod, and the cable 9 can be prevented from jumping out of the cable groove 8 by tightening the cotter pin 10. The stop pin 10 may also employ a stop device known in the art, such as a bolt. For easy installation and disassembly, the left and right positioning rods 13 and 14 are fixed on the left and right cross arms 1 of the umbrella cover 4 by threads and nuts 17, respectively.
As shown in fig. 1 and 2, a rubber layer 16 is wrapped on the outer side of the middle part of the horizontal limiting rod 15. In this way, the flexible protection cable 9 can be used.
Example 2: as shown in fig. 2, according to practical situations, two ends of the cross arm 1 are respectively provided with insulators.
The technical characteristics form the embodiment of the invention, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (8)
1. The utility model provides a power cable wind-proof device, a serial communication port includes cross arm and insulator, the cross arm is the channel-section steel that the opening was forward, all be equipped with upper and lower corresponding upper through-hole and lower through-hole on the upper plate and the hypoplastron of channel-section steel, the insulator includes chute boot and screw rod, the bottom an organic whole of chute boot is connected with the screw rod, the lower extreme of screw rod passes upper through-hole and lower through-hole and is located the below of lower through-hole, the lower extreme of screw rod is fixed in the bottom of hypoplastron through the lower nut, the upper portion of screw rod is through upper nut fixed mounting in the bottom of upper plate, be equipped with the cable recess in the upper portion of chute boot, fixed mounting has the stop device that can fix the cable in the cable recess on the cross arm at chute boot both ends, left side locating lever and right locating lever are fixed on the cross arm of chute boot left side and right side respectively, the right-hand member hinge-mounting of horizontal locating lever is in the upper portion of right locating lever, the upper portion of left side locating lever is equipped with the recess of opening up, the recess of horizontal locating lever is in the recess of lower nut, the recess is equipped with the opening up nut in the recess, the recess is down, the stop nut can be prevented from moving in the lower hole.
2. The power cable wind-prevention device according to claim 1, wherein the locking nut and the gasket are fixedly installed on the screw rod at the lower side of the upper nut from bottom to top.
3. The electric cable wind-proof device according to claim 1 or 2, characterized in that the middle outer side of the horizontal stop lever is wrapped with a rubber layer.
4. The power cable wind prevention device according to claim 1 or 2, wherein the left and right positioning bars are fixed to the cross arms at the left and right sides of the umbrella cover by screws and nuts, respectively.
5. A power cable wind deflector according to claim 3, wherein the left and right locating bars are secured to the cross arms on the left and right sides of the canopy by threads and nuts, respectively.
6. The power cable wind-guard of claim 1 or 2 or 5, wherein the cross arm is provided with insulators at both ends thereof, respectively.
7. A power cable wind deflector according to claim 3, wherein the cross arm is provided with insulators at each end thereof.
8. The power cable wind-prevention device according to claim 4, wherein both ends of the cross arm are respectively provided with insulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429319.0A CN109327003B (en) | 2018-11-27 | 2018-11-27 | Wind-proof device for electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429319.0A CN109327003B (en) | 2018-11-27 | 2018-11-27 | Wind-proof device for electric cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109327003A CN109327003A (en) | 2019-02-12 |
| CN109327003B true CN109327003B (en) | 2024-02-27 |
Family
ID=65258786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429319.0A Active CN109327003B (en) | 2018-11-27 | 2018-11-27 | Wind-proof device for electric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109327003B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200251098Y1 (en) * | 2001-07-03 | 2001-11-16 | 김용재 | A structure for support bar and insulator |
| CN202084351U (en) * | 2011-05-10 | 2011-12-21 | 中国石油天然气集团公司 | Windproof composite pin-type insulator |
| KR101329343B1 (en) * | 2013-07-17 | 2013-11-27 | 주식회사 우인이엔지 | Extra-high voltage electric power line support unit |
| CN205765060U (en) * | 2016-09-28 | 2016-12-07 | 江苏正兴建设机械有限公司 | A kind of latch drilling-hole positioning device |
| EP3258561A1 (en) * | 2016-06-16 | 2017-12-20 | Ensto Finland Oy | An insulator |
| CN206834677U (en) * | 2017-04-26 | 2018-01-02 | 中国石油天然气股份有限公司 | Insulating device in overhead transmission line |
| CN206985396U (en) * | 2017-07-10 | 2018-02-09 | 象山建乐电器有限公司 | A kind of cable conveying mechanism |
| CN207264851U (en) * | 2017-10-16 | 2018-04-20 | 国网新疆电力公司博尔塔拉供电公司 | wind-proof insulator |
| CN209217668U (en) * | 2018-11-27 | 2019-08-06 | 国网新疆电力有限公司喀什供电公司 | Electric power cable wind-proof device |
-
2018
- 2018-11-27 CN CN201811429319.0A patent/CN109327003B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200251098Y1 (en) * | 2001-07-03 | 2001-11-16 | 김용재 | A structure for support bar and insulator |
| CN202084351U (en) * | 2011-05-10 | 2011-12-21 | 中国石油天然气集团公司 | Windproof composite pin-type insulator |
| KR101329343B1 (en) * | 2013-07-17 | 2013-11-27 | 주식회사 우인이엔지 | Extra-high voltage electric power line support unit |
| EP3258561A1 (en) * | 2016-06-16 | 2017-12-20 | Ensto Finland Oy | An insulator |
| CN205765060U (en) * | 2016-09-28 | 2016-12-07 | 江苏正兴建设机械有限公司 | A kind of latch drilling-hole positioning device |
| CN206834677U (en) * | 2017-04-26 | 2018-01-02 | 中国石油天然气股份有限公司 | Insulating device in overhead transmission line |
| CN206985396U (en) * | 2017-07-10 | 2018-02-09 | 象山建乐电器有限公司 | A kind of cable conveying mechanism |
| CN207264851U (en) * | 2017-10-16 | 2018-04-20 | 国网新疆电力公司博尔塔拉供电公司 | wind-proof insulator |
| CN209217668U (en) * | 2018-11-27 | 2019-08-06 | 国网新疆电力有限公司喀什供电公司 | Electric power cable wind-proof device |
Non-Patent Citations (1)
| Title |
|---|
| 复合绝缘子注射伞套的芯棒及其护套界面结构性能分析;张福林, 陈虹丽;电瓷避雷器(06);全文 * |
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| Publication number | Publication date |
|---|---|
| CN109327003A (en) | 2019-02-12 |
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