CN204357185U - A kind of new distribution insulated glass fibre reinforced plastic crossbar - Google Patents
A kind of new distribution insulated glass fibre reinforced plastic crossbar Download PDFInfo
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- CN204357185U CN204357185U CN201420841250.3U CN201420841250U CN204357185U CN 204357185 U CN204357185 U CN 204357185U CN 201420841250 U CN201420841250 U CN 201420841250U CN 204357185 U CN204357185 U CN 204357185U
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- plane
- vertical core
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- reinforced plastic
- glass fibre
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Abstract
The utility model specifically discloses a kind of new distribution insulated glass fibre reinforced plastic crossbar, this cross-arm is unequal angle, unequal angle is made up of the first plane, the second plane and connection cambered surface, and the width of the first plane is less than the width of the second plane, and the thickness of the first plane and the second plane is 10mm; First plane and the second plane are mutually vertical and link together by being connected cambered surface, and connect cambered surface and comprise medial surface and lateral surface, medial surface is to the contour body bending near lateral surface direction, and lateral surface is the contour body to bending away from medial surface direction.The utility model intensity is high, shock resistance, excellent, corrosion-resistant, the resistance to lightning impulse of dielectric properties, fundamentally can solve the shaft tower point discharge that irony cross-arm causes at thunderstorm hour, improve shaft tower insulating properties, increase lightning flash over path, improve line thunder protection effect.
Description
Technical field
The utility model relates to 10KV electric distribution network insulated glass fibre reinforced plastic crossbar technical field, particularly relates to a kind of for 10KV electric distribution network electric force pole tower framework insulated glass fibre reinforced plastic crossbar.
Background technology
Along with the raising of distribution line insulation rate, the power supply reliability of distribution line improves constantly, and the fault rate of circuit declines; Efficiently solve the line tree contradiction in afforestation of city, beautified civic landscape, improve the utilization rate of line channel; But the dielectric level of 10KV circuit is general lower, and Lightning Flashover of Synthetic is very outstanding.Main manifestations is lightning-caused breaking, thunderbolt shaft tower etc.
According to result of study, lightning stroke flashover depends on overvoltage value and line insulation level, and research showing the to be struck by lightning electric arc order of severity that causes reduces along with the reduction of the electric-force gradient along flashover path.So the insulating properties improving line insulation level and the shaft tower that increases electric power significantly can improve lightning stroke flashover.And at present both at home and abroad distribution network system major part electric force pole tower is horizontal irony cross-arm, wooden cross-arm, porcelain cross-arm.Wooden cross-arm insufficient strength, corrosion resistance is weak; Porcelain cross-arm insufficient strength, resist bending ability is inadequate; Irony cross-arm insulating properties are poor, easily get rusty.
Summary of the invention
For overcoming the technological deficiency that prior art exists, the utility model provides a kind of new distribution insulated glass fibre reinforced plastic crossbar, its mechanical performance can not only be ensured, fundamentally can also solve the shaft tower point discharge that irony cross-arm causes at thunderstorm hour, improve shaft tower insulating properties, increase lightning flash over path, improve line thunder protection effect.
The technical solution that the utility model adopts is:
A kind of new distribution insulated glass fibre reinforced plastic crossbar, this cross-arm is unequal angle, described unequal angle is made up of the first plane, the second plane and connection cambered surface, the width of described first plane is less than the width of described second plane, and the thickness of described first plane and described second plane is 10mm; Described first plane and described second plane are mutually vertical and linked together by described connection cambered surface, described connection cambered surface comprises medial surface and lateral surface, described medial surface is to the contour body bending near described lateral surface direction, and described lateral surface is the contour body to bending away from described medial surface direction.
Preferably, the specification of described first plane is width * thickness * length=70mm*10mm*1720mm, which is provided with the first vertical core, second vertical core, 3rd vertical core and the 4th vertical core, described in described first vertical core center to center distance, the distance of the first plane near the end limit of described first vertical core is 60mm, described in described second vertical core center to center distance, the distance of the first plane near the end limit of described second vertical core is 360mm, described first vertical core and described 4th vertical core are symmetricly set on described first both sides, plane length axle center, described second vertical core and described 3rd vertical core are symmetricly set on described first both sides, plane length axle center.
Preferably, the aperture of described first vertical core, described second vertical core, described 3rd vertical core and described 4th vertical core is 17.5mm.
Preferably, the specification of described second plane is width * thickness * length=100mm*10mm*1720mm, which is provided with two side openings and two cylindrical voids, two described cylindrical voids are symmetricly set on described second both sides, plane length axle center, and described in each described cylindrical void center to center distance, the distance at the second plane length axle center is 110mm; Two described side openings are symmetricly set on described second both sides, plane length axle center, and described in each described side opening center to center distance, the distance at the second plane length axle center is 440mm.
Preferably, the aperture of two described side openings is 21.5mm, and the specification of two described cylindrical voids is 21.5mm × 40mm.
The beneficial effects of the utility model: because the utility model cross-arm is by the first plane, the second plane be connected cambered surface and form, first plane and the second plane surface smooth, there is self-cleaning, avoid leaving moisture or dustiness etc. thereon and cause the surface insulated decline of cross-arm; Due to cross-arm, each portion all makes primarily of glass fiber, quality is light, intensity is high, shock resistance, excellent, corrosion-resistant, the resistance to lightning impulse of dielectric properties, there is good anti-bending strength and shock resistance, product insulate, be convenient to livewire work; Because the first plane width is less than and thickness equals the second plane, the medial surface and the lateral surface that connect cambered surface are bandy contour body, in its mechanical performance of guarantee, shaft tower insulating properties can also be improved, the electric discharge of most advanced and sophisticated place can be reduced, increase lightning flash over path, improve line thunder protection effect.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Description of reference numerals:
10. the first plane; 11. first vertical cores; 12. second vertical cores; 13. the 3rd vertical cores; 14. the 4th vertical cores; 20. second planes; 21. side openings; 22. cylindrical voids; 30. connect cambered surface; 31. medial surfaces; 32. lateral surfaces.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the present embodiment provides a kind of new distribution insulated glass fibre reinforced plastic crossbar, this cross-arm is unequal angle, described unequal angle is made up of the first plane 10, second plane 20 and connection cambered surface 30, the width of described first plane 10 is less than the width of described second plane 20, and the thickness of described first plane 10 and described second plane 20 is 10mm.
In the present embodiment, the specification of described first plane 10 is width * thickness * length=70mm*10mm*1720mm, which is provided with the first vertical core 11 that aperture is 17.5mm, second vertical core 12, 3rd vertical core 13 and the 4th vertical core 14, described in described first vertical core 11 center to center distance, the distance of the first plane 10 near the end limit of described first vertical core 11 is 60mm, described in described second vertical core 12 center to center distance, the distance of the first plane 10 near the end limit of described second vertical core 12 is 360mm, described first vertical core 11 and described 4th vertical core 14 are symmetricly set on described first both sides, plane 10 length axle center, described second vertical core 12 and described 3rd vertical core 13 are symmetricly set on described first both sides, plane 10 length axle center.
In the present embodiment, the specification of described second plane 20 is width * thickness * length=100mm*10mm*1720mm, which is provided with two side openings 21 and two cylindrical voids 22, two described cylindrical voids 22 are symmetricly set on described second both sides, plane 20 length axle center, and described in each described cylindrical void 22 center to center distance, the distance at the second plane 20 length axle center is 110mm.Two described side openings 21 are symmetricly set on described second both sides, plane 20 length axle center, and described in each described side opening 21 center to center distance, the distance at the second plane 20 length axle center is 440mm.In the present embodiment, the aperture of two described side openings 21 is all preferably 21.5mm, and the preferred specification of two described cylindrical voids 22 is 21.5mm × 40mm.
In the present embodiment, because the first plane 10 and the second plane 20 fibreglass are made, quality is light, intensity is high, shock resistance, excellent, corrosion-resistant, the resistance to lightning impulse of dielectric properties, its power-frequency withstand voltage, Leakage Current and bending failure load all meet Standard, substitute irony mould load, significantly can increase flashover path, improve line thunder protection level.The present embodiment first plane 10 and the second plane 20 smooth surface, have self-cleaning, and have excellent insulating properties, is convenient to livewire work, is particularly useful for thunder and lightning and takes place frequently district, coastal area, seriously polluted area, can play obvious lightning protection effect.
In the present embodiment, described first plane 10 and described second plane 20 are mutually vertical and linked together by described connection cambered surface 30, described connection cambered surface 30 comprises medial surface 31 and lateral surface 32, described medial surface 31 is to the contour body bending near described lateral surface 32 direction, and described lateral surface 32 is the contour body to bending away from described medial surface 31 direction.In the present embodiment, described " medial surface " refers to less angle (90 degree) side of described first plane and described second plane, and described " lateral surface " refers to comparatively mitre (270 degree) side of described first plane and described second plane.The present embodiment, owing to being connected with described connection cambered surface 30 between the first plane 10 and the second plane 20, instead of original right angle lines, can reduce the electric discharge of most advanced and sophisticated place, increase lightning flash over path, improves lightning protection and the insulating properties of cross-arm.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within protection domain of the present utility model.
Claims (5)
1. a new distribution insulated glass fibre reinforced plastic crossbar, it is characterized in that, this cross-arm is unequal angle, described unequal angle is made up of the first plane, the second plane and connection cambered surface, the width of described first plane is less than the width of described second plane, and the thickness of described first plane and described second plane is 10mm; Described first plane and described second plane are mutually vertical and linked together by described connection cambered surface, described connection cambered surface comprises medial surface and lateral surface, described medial surface is to the contour body bending near described lateral surface direction, and described lateral surface is the contour body to bending away from described medial surface direction.
2. a kind of new distribution insulated glass fibre reinforced plastic crossbar according to claim 1, it is characterized in that, the specification of described first plane is width * thickness * length=70mm*10mm*1720mm, which is provided with the first vertical core, second vertical core, 3rd vertical core and the 4th vertical core, described in described first vertical core center to center distance, the distance of the first plane near the end limit of described first vertical core is 60mm, described in described second vertical core center to center distance, the distance of the first plane near the end limit of described second vertical core is 360mm, described first vertical core and described 4th vertical core are symmetricly set on described first both sides, plane length axle center, described second vertical core and described 3rd vertical core are symmetricly set on described first both sides, plane length axle center.
3. a kind of new distribution insulated glass fibre reinforced plastic crossbar according to claim 2, is characterized in that, the aperture of described first vertical core, described second vertical core, described 3rd vertical core and described 4th vertical core is 17.5mm.
4. a kind of new distribution insulated glass fibre reinforced plastic crossbar according to any one of claims 1 to 3, it is characterized in that, the specification of described second plane is width * thickness * length=100mm*10mm*1720mm, which is provided with two side openings and two cylindrical voids, two described cylindrical voids are symmetricly set on described second both sides, plane length axle center, and described in each described cylindrical void center to center distance, the distance at the second plane length axle center is 110mm; Two described side openings are symmetricly set on described second both sides, plane length axle center, and described in each described side opening center to center distance, the distance at the second plane length axle center is 440mm.
5. a kind of new distribution insulated glass fibre reinforced plastic crossbar according to claim 4, it is characterized in that, the aperture of two described side openings is 21.5mm, and the specification of two described cylindrical voids is 21.5mm × 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841250.3U CN204357185U (en) | 2014-12-27 | 2014-12-27 | A kind of new distribution insulated glass fibre reinforced plastic crossbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841250.3U CN204357185U (en) | 2014-12-27 | 2014-12-27 | A kind of new distribution insulated glass fibre reinforced plastic crossbar |
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| Publication Number | Publication Date |
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| CN204357185U true CN204357185U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420841250.3U Expired - Fee Related CN204357185U (en) | 2014-12-27 | 2014-12-27 | A kind of new distribution insulated glass fibre reinforced plastic crossbar |
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| CN (1) | CN204357185U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220933A (en) * | 2015-10-21 | 2016-01-06 | 常熟风范电力设备股份有限公司 | A kind of steel tower cross-arm component |
| WO2018213123A1 (en) * | 2017-05-15 | 2018-11-22 | Maclean Power, L.L.C. | L-shaped crossarm, related system, and method of assembly |
| CN110005248A (en) * | 2019-05-08 | 2019-07-12 | 无锡市同腾复合材料有限公司 | High-insulativity lightweight composite material cross arm and its production method |
-
2014
- 2014-12-27 CN CN201420841250.3U patent/CN204357185U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220933A (en) * | 2015-10-21 | 2016-01-06 | 常熟风范电力设备股份有限公司 | A kind of steel tower cross-arm component |
| WO2018213123A1 (en) * | 2017-05-15 | 2018-11-22 | Maclean Power, L.L.C. | L-shaped crossarm, related system, and method of assembly |
| CN110678617A (en) * | 2017-05-15 | 2020-01-10 | 麦克莱恩电力有限责任公司 | L-shaped bracket, related system and assembly method |
| EP3625410A4 (en) * | 2017-05-15 | 2021-01-27 | Maclean Power, L.L.C. | L-shaped crossarm, related system, and method of assembly |
| US11047147B2 (en) | 2017-05-15 | 2021-06-29 | Maclean Power, Llc | L-shaped crossarm, related system, and method of assembly |
| CN110005248A (en) * | 2019-05-08 | 2019-07-12 | 无锡市同腾复合材料有限公司 | High-insulativity lightweight composite material cross arm and its production method |
| CN110005248B (en) * | 2019-05-08 | 2024-02-06 | 无锡市同腾复合材料有限公司 | High-insulativity lightweight composite cross arm and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20151227 |
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| EXPY | Termination of patent right or utility model |