CN203755780U - Glass fiber reinforced plastic insulation cross arm - Google Patents
Glass fiber reinforced plastic insulation cross arm Download PDFInfo
- Publication number
- CN203755780U CN203755780U CN201420142641.6U CN201420142641U CN203755780U CN 203755780 U CN203755780 U CN 203755780U CN 201420142641 U CN201420142641 U CN 201420142641U CN 203755780 U CN203755780 U CN 203755780U
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- China
- Prior art keywords
- reinforced plastic
- glass fibre
- fibre reinforced
- insulating body
- plastic insulating
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- Expired - Lifetime
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- 239000011152 fibreglass Substances 0.000 title abstract description 17
- 238000009413 insulation Methods 0.000 title abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 43
- 239000012212 insulator Substances 0.000 claims abstract description 41
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 129
- 239000003365 glass fiber Substances 0.000 claims description 129
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 3
- 210000001624 hip Anatomy 0.000 description 14
- 230000008901 benefit Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Abstract
The utility model discloses a glass fiber reinforced plastic insulation cross arm. The glass fiber reinforced plastic insulation cross arm comprises a heightened rectangular horizontal glass fiber reinforced plastic insulator 3, an isosceles trapezoid glass fiber reinforced plastic insulator 2 and a bottom rectangular horizontal glass fiber reinforced plastic insulator 1 which are sequentially arranged from top to bottom. The upper bottom surface of the isosceles trapezoid glass fiber reinforced plastic insulator 2 is connected with the bottom rectangular horizontal glass fiber reinforced plastic insulator 1, and the lower bottom surface of the isosceles trapezoid glass fiber reinforced plastic insulator 2 is connected with the bottom rectangular horizontal glass fiber reinforced plastic insulator 1. The heightened rectangular horizontal glass fiber reinforced plastic insulator 3, the isosceles trapezoid glass fiber reinforced plastic insulator 2 and the bottom rectangular horizontal glass fiber reinforced plastic insulator 1 are of an integrated insulation cross arm structure, a triangular ceramic body 4 is arranged in the insulation cross arm structure, the lower edge of the triangular ceramic body 4 is located in the bottom rectangular horizontal glass fiber reinforced plastic insulator, and vertexes connected with two waist edges of the triangular ceramic body 4 are located in an isosceles trapezoid glass fiber reinforced plastic insulator. Bending deformation factors of the insulation cross arm structure are weakened, and the glass fiber reinforced plastic insulation cross arm can be used for long-line transmission.
Description
Technical field
The utility model relates to transmission line construction equipment field, specifically: insulated glass fibre reinforced plastic crossbar.
Background technology
In transmission line of electricity, lightning stroke flashover depends on overvoltage value and line insulation level, the electric arc order of severity that studying shows to be struck by lightning causes is along with the reduction of the electric-force gradient along flashover path reduces, therefore the dielectric level that improves power circuit just can make lightning flashover rate greatly reduce, meanwhile, also greatly reduce even if there is its arc stiffness of lightning stroke flashover.But due to Technological Economy reason, increase substantially the comparatively difficulty of dielectric level of power circuit, glass fibre reinforced plastic insulating material has the advantages such as mechanical strength is high, good insulation preformance.If used as support insulator cross-arm, drop type safety fuse cross-arm, arrester cross-arm can significantly increase flashover path, thereby increase substantially the lightning withstand level of circuit, lower the probability of sustained arc of circuit and substantially avoided the generation of the accidents such as lightning-caused breaking flicker tripping operation, thereby greatly increase economic benefit and social benefit, existing insulated glass fibre reinforced plastic crossbar, with conventional steel cross-arm structure was consistent in the past, is a vertical bar column structure.
The shortcoming of glass fiber reinforced plastic has:
Modulus of elasticity is low, the large twice of modular ratio timber of FRP, but less 10 times than steel (E=2.1E5), therefore in product structure, often feel rigidity deficiency, easily distortion.Can make thin shell structures, sandwich, also can or do the forms such as reinforcing rib by high modulus fibre and make up.Long-term temperature tolerance is poor, and general FRP can not at high temperature use for a long time, and general purpose polyester FRP intensity more than 50 DEG C just obviously declines, general only 100 DEG C of following uses; Universal epoxy FRP is more than 60 DEG C, and intensity has obvious decline.But can select fire resistant resin, making long-term work temperature is possible at 200 ~ 300 DEG C.Aging phenomenon, aging phenomenon is the common defects of plastics, FRP is no exception, under the effects such as ultraviolet ray, dust storm sleet, chemical mediator, mechanical stress, easily causes hydraulic performance decline.
Shear strength is low, and interlaminar shear strength is born by resin, so very low.Can, by selecting technique, improving interlaminar bonding power by methods such as coupling agents, most importantly, in the time of product design, avoid interlayer is cut as far as possible.
According to above characteristic, the easy flexural deformation of insulated glass fibre reinforced plastic crossbar of existing straight column type, in carrying especially for circuit, because electric wire applies Action of Gravity Field vertically downward, general action force is all positioned at the two ends of insulated glass fibre reinforced plastic crossbar, has aggravated like this flexural deformation of insulated glass fibre reinforced plastic crossbar, has a strong impact on the safety of transmission line of electricity, but because insulated glass fibre reinforced plastic crossbar exists advantage aspect lightning-arrest effect, therefore we need to arrange a kind of on-deformable insulated glass fibre reinforced plastic crossbar.
Utility model content
Technical problem to be solved in the utility model is that a kind of on-deformable insulated glass fibre reinforced plastic crossbar is set.
The technical scheme in the invention for solving the above technical problem is: insulated glass fibre reinforced plastic crossbar, comprise the horizontal glass fibre reinforced plastic insulating body of the padded rectangle setting gradually from top to bottom, isosceles trapezoid glass fibre reinforced plastic insulating body, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle, wherein the upper bottom surface of isosceles trapezoid glass fibre reinforced plastic insulating body is connected with the horizontal glass fibre reinforced plastic insulating body of padded rectangle, and the bottom surface of isosceles trapezoid glass fibre reinforced plastic insulating body is connected with the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle; The horizontal glass fibre reinforced plastic insulating body of padded rectangle, isosceles trapezoid glass fibre reinforced plastic insulating body, the integrated insulator crossarm structure of the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle, insulator crossarm inside configuration is provided with triangle ceramic body, the bottom of triangle ceramic body is positioned at the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle inside, and the summit that wherein two waist limits of triangle ceramic body connect is positioned at isosceles trapezoid glass fibre reinforced plastic insulating body inside.
The design principle of technique scheme is: by the horizontal glass fibre reinforced plastic insulating body of padded rectangle, isosceles trapezoid glass fibre reinforced plastic insulating body, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle forms integrated insulator crossarm structure, wherein the horizontal glass fibre reinforced plastic insulating body of padded rectangle supports as the load-bearing of middle circuit, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle supports as the load-bearing of both sides circuit, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle two ends receive that the gravity of both sides circuit is easy to flexural deformation, therefore the utility model adopts isosceles trapezoid glass fibre reinforced plastic insulating body as reinforcement by connection framework, utilize two waists of isosceles trapezoid glass fibre reinforced plastic insulating body to implement pulling force to the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle two ends, reaching stressed middle electric pole mutually shifts, play the object of force balance, simultaneously, in order to weaken the low shortcoming of modulus of elasticity of glass steel material, the utility model utilizes triangle ceramic body to be embedded in integrated insulator crossarm inside configuration, bottom through triangle ceramic body is positioned at the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle inside, the summit that wherein two waist limits of triangle ceramic body connect is positioned at the inner such setting of isosceles trapezoid glass fibre reinforced plastic insulating body, can ensure integrally-built rigidity intensity, through experiment, said structure can use 15 years indeformable, simultaneously, the structural bearing capacity of comparing traditional straight column type is larger, can be applied to long line transmission.The utility model utilizes triangle ceramic body not yielding, but triangle ceramic body is easily broken, and the easily deformable but not breakable characteristic of glass fibre reinforced plastic insulating body, according to said structure, thus the characteristic of raising modulus of elasticity.
When the present invention applies as cross-arm, also comprise three lightning protection pillar insulators, one of them lightning protection pillar insulator is positioned at the horizontal glass fibre reinforced plastic insulating body of padded rectangle away from isosceles trapezoid glass fibre reinforced plastic insulating body one side, two other lightning protection pillar insulator is arranged on respectively the horizontal glass fibre reinforced plastic insulating dignity of rebasing rectangle to isosceles trapezoid glass fibre reinforced plastic insulating body one side, and two lightning protection pillar insulators on the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle are positioned at isosceles trapezoid glass fibre reinforced plastic insulating body both sides.
As cross-arm, application is in the present invention, should be to have clamp structure, conventional clamp structure is: the glass fibre reinforced plastic insulating body that utilizes bolt-through straight column type, after deliberation, larger to the damage of glass fibre reinforced plastic insulating body like this, be unfavorable for the structural strength of reinforcing glass steel isolator, this is also to cause the diastrophic key factor of glass fibre reinforced plastic insulating body.Therefore, in order to overcome the problems referred to above, two waist limits of isosceles trapezoid glass fibre reinforced plastic insulating body have an arc groove separately, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle is provided with 2 arc grooves away from the one side of isosceles trapezoid glass fibre reinforced plastic insulating body, also comprise front plate and rear plate, insulator crossarm structure, between front plate and rear plate, connects by grip bolt between front plate and rear plate, and grip bolt is positioned at arc groove.The utility model only arranges groove at two edges, waist limit and the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle of isosceles trapezoid glass fibre reinforced plastic insulating body away from the edge of the one side of isosceles trapezoid glass fibre reinforced plastic insulating body, utilizing grip bolt to be fastened in this groove clamps, can not run through like this glass fibre reinforced plastic insulating body, just avoid causing the bending of glass fibre reinforced plastic insulating body yet.
Preferably, front plate is connected with hoop by grip bolt.
Preferably, when the number of triangle ceramic body is multiple, between adjacent two triangle ceramic bodies, there is gap, filling glass steel layer in this gap, and all triangle ceramic bodies are arranged in parallel.Because triangle ceramic body is in the time that glass fibre reinforced plastic insulating body is combined, depart from and connect arbitrarily, cause structural instability, therefore the utility model preferably adopts multiple triangle ceramic bodies, utilize filling glass steel layer is set between adjacent triangle ceramic body, thereby reach the connective stability that increases the two.
Preferably, two waist limits of triangle ceramic body are parallel with two waist limits of isosceles trapezoid glass fibre reinforced plastic insulating body separately respectively.
To sum up, the beneficial effects of the utility model are: weaken the flexural deformation factor of insulator crossarm structure, and can be for long line transmission.
Brief description of the drawings
Fig. 1 is to be elevation of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is the arrangement pattern diagram of triangle ceramic body while being three.
Number in the figure is expressed as: 1, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle; 2, isosceles trapezoid glass fibre reinforced plastic insulating body; 3, the horizontal glass fibre reinforced plastic insulating body of padded rectangle; 4, triangle ceramic body; 5, lightning protection pillar insulator; 6, front plate; 7, rear plate; 8, grip bolt; 9, aerial condutor; 10, hoop.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but embodiment of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1-Figure 3.
The technical scheme in the invention for solving the above technical problem is: insulated glass fibre reinforced plastic crossbar, comprise the horizontal glass fibre reinforced plastic insulating body 3 of the padded rectangle setting gradually from top to bottom, isosceles trapezoid glass fibre reinforced plastic insulating body 2, the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle, wherein the upper bottom surface of isosceles trapezoid glass fibre reinforced plastic insulating body 2 is connected with the horizontal glass fibre reinforced plastic insulating body 1 of padded rectangle, and the bottom surface of isosceles trapezoid glass fibre reinforced plastic insulating body 2 is connected with the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle; The horizontal glass fibre reinforced plastic insulating body 3 of padded rectangle, isosceles trapezoid glass fibre reinforced plastic insulating body 2, the integrated insulator crossarm structure of the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle, insulator crossarm inside configuration is provided with triangle ceramic body 4, the bottom of triangle ceramic body 4 is positioned at the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle inside, and the summit that wherein two waist limits of triangle ceramic body 4 connect is positioned at isosceles trapezoid glass fibre reinforced plastic insulating body inside.
The design principle of technique scheme is: by the horizontal glass fibre reinforced plastic insulating body 3 of padded rectangle, isosceles trapezoid glass fibre reinforced plastic insulating body 2, the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle forms integrated insulator crossarm structure, wherein the horizontal glass fibre reinforced plastic insulating body 3 of padded rectangle supports as the load-bearing of middle circuit, the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle supports as the load-bearing of both sides circuit, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle 1 two ends receive that the gravity of both sides circuit is easy to flexural deformation, therefore the utility model adopts isosceles trapezoid glass fibre reinforced plastic insulating body 2 as reinforcement by connection framework, utilize two waists of isosceles trapezoid glass fibre reinforced plastic insulating body 2 to implement pulling force to the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle two ends, reaching stressed middle electric pole mutually shifts, play the object of force balance, simultaneously, in order to weaken the low shortcoming of modulus of elasticity of glass steel material, the utility model utilizes triangle ceramic body 4 to be embedded in integrated insulator crossarm inside configuration, bottom through triangle ceramic body 4 is positioned at the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle inside, the summit that wherein two waist limits of triangle ceramic body 4 connect is positioned at the inner such setting of isosceles trapezoid glass fibre reinforced plastic insulating body, can ensure integrally-built rigidity intensity, through experiment, said structure can use 15 years indeformable, simultaneously, the structural bearing capacity of comparing traditional straight column type is larger, can be applied to long line transmission.The utility model utilizes triangle ceramic body 4 not yielding, but triangle ceramic body 4 is easily broken, and the easily deformable but not breakable characteristic of glass fibre reinforced plastic insulating body, according to said structure, thus the characteristic of raising modulus of elasticity.
When the present invention applies as cross-arm, also comprise three lightning protection pillar insulators 5, one of them lightning protection pillar insulator 5 is positioned at the horizontal glass fibre reinforced plastic insulating body 3 of padded rectangle away from isosceles trapezoid glass fibre reinforced plastic insulating body 2 one sides, two other lightning protection pillar insulator 5 is arranged on respectively the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle towards isosceles trapezoid glass fibre reinforced plastic insulating body 2 one sides, and two lightning protection pillar insulators 5 on the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle are positioned at isosceles trapezoid glass fibre reinforced plastic insulating body 2 both sides.As Fig. 2, three aerial condutors are clamped in respectively on three lightning protection pillar insulators 5.
As cross-arm, application is in the present invention, should be to have clamp structure, conventional clamp structure is: the glass fibre reinforced plastic insulating body that utilizes bolt-through straight column type, after deliberation, larger to the damage of glass fibre reinforced plastic insulating body like this, be unfavorable for the structural strength of reinforcing glass steel isolator, this is also to cause the diastrophic key factor of glass fibre reinforced plastic insulating body.Therefore, in order to overcome the problems referred to above, two waist limits of isosceles trapezoid glass fibre reinforced plastic insulating body 2 have an arc groove separately, the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle is provided with 2 arc grooves away from the one side of isosceles trapezoid glass fibre reinforced plastic insulating body 2, also comprise front plate 6 and rear plate 7, insulator crossarm structure, between front plate 6 and rear plate 7, connects by grip bolt 8 between front plate 6 and rear plate 7, and grip bolt 8 is positioned at arc groove.The utility model only arranges groove at two edges, waist limit and the horizontal glass fibre reinforced plastic insulating body 1 of rebasing rectangle of isosceles trapezoid glass fibre reinforced plastic insulating body 2 away from the edge of the one side of isosceles trapezoid glass fibre reinforced plastic insulating body 2, utilizing grip bolt 8 to be fastened in this groove clamps, can not run through like this glass fibre reinforced plastic insulating body, just avoid causing the bending of glass fibre reinforced plastic insulating body yet.
Preferably, front plate 6 is connected with hoop 10 by grip bolt 8.
Preferably, when the number of triangle ceramic body is multiple, between adjacent two triangle ceramic bodies, there is gap, filling glass steel layer in this gap, and all triangle ceramic bodies are arranged in parallel.Because triangle ceramic body is in the time that glass fibre reinforced plastic insulating body is combined, depart from and connect arbitrarily, cause structural instability, therefore the utility model preferably adopts multiple triangle ceramic bodies, utilize filling glass steel layer is set between adjacent triangle ceramic body, thereby reach the connective stability that increases the two.As shown in Figure 3, the number of the triangle ceramic body in the present embodiment is 3.
Preferably, two waist limits of triangle ceramic body 4 are parallel with two waist limits of isosceles trapezoid glass fibre reinforced plastic insulating body separately respectively.
As mentioned above, can realize preferably the utility model.
Claims (6)
1. insulated glass fibre reinforced plastic crossbar, it is characterized in that, comprise the horizontal glass fibre reinforced plastic insulating body of the padded rectangle setting gradually from top to bottom (3), isosceles trapezoid glass fibre reinforced plastic insulating body (2), the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle (1), wherein the upper bottom surface of isosceles trapezoid glass fibre reinforced plastic insulating body (2) is connected with the horizontal glass fibre reinforced plastic insulating body of padded rectangle (1), and the bottom surface of isosceles trapezoid glass fibre reinforced plastic insulating body (2) is connected with the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle (1); The horizontal glass fibre reinforced plastic insulating body of padded rectangle (3), isosceles trapezoid glass fibre reinforced plastic insulating body (2), the integrated insulator crossarm structure of the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle (1), insulator crossarm inside configuration is provided with triangle ceramic body (4), the bottom of triangle ceramic body (4) is positioned at the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle inside, and the summit that wherein two waist limits of triangle ceramic body (4) connect is positioned at isosceles trapezoid glass fibre reinforced plastic insulating body inside.
2. insulated glass fibre reinforced plastic crossbar according to claim 1, it is characterized in that, also comprise three lightning protection pillar insulators (5), one of them lightning protection pillar insulator (5) is positioned at the horizontal glass fibre reinforced plastic insulating body of padded rectangle (3) away from isosceles trapezoid glass fibre reinforced plastic insulating body (2) simultaneously, two other lightning protection pillar insulator (5) is arranged on respectively the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle (1) towards isosceles trapezoid glass fibre reinforced plastic insulating body (2) simultaneously, two lightning protection pillar insulators (5) on the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle (1) are positioned at isosceles trapezoid glass fibre reinforced plastic insulating body (2) both sides.
3. insulated glass fibre reinforced plastic crossbar according to claim 1, it is characterized in that, two waist limits of isosceles trapezoid glass fibre reinforced plastic insulating body (2) have an arc groove separately, the horizontal glass fibre reinforced plastic insulating body of rebasing rectangle (1) is provided with 2 arc grooves away from the one side of isosceles trapezoid glass fibre reinforced plastic insulating body (2), also comprise front plate (6) and rear plate (7), insulator crossarm structure is positioned between front plate (6) and rear plate (7), between front plate (6) and rear plate (7), connect by grip bolt (8), grip bolt (8) is positioned at arc groove.
4. insulated glass fibre reinforced plastic crossbar according to claim 3, is characterized in that, front plate (6) is connected with hoop (10) by grip bolt (8).
5. according to the insulated glass fibre reinforced plastic crossbar described in any one in claim 1-4, it is characterized in that, when the number of triangle ceramic body is multiple, between adjacent two triangle ceramic bodies, have gap, filling glass steel layer in this gap, and all triangle ceramic bodies are arranged in parallel.
6. according to the insulated glass fibre reinforced plastic crossbar described in any one in claim 1-4, it is characterized in that, two waist limits of triangle ceramic body (4) are parallel with two waist limits of isosceles trapezoid glass fibre reinforced plastic insulating body separately respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142641.6U CN203755780U (en) | 2014-03-27 | 2014-03-27 | Glass fiber reinforced plastic insulation cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142641.6U CN203755780U (en) | 2014-03-27 | 2014-03-27 | Glass fiber reinforced plastic insulation cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755780U true CN203755780U (en) | 2014-08-06 |
Family
ID=51251069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420142641.6U Expired - Lifetime CN203755780U (en) | 2014-03-27 | 2014-03-27 | Glass fiber reinforced plastic insulation cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952235A (en) * | 2016-06-08 | 2016-09-21 | 江苏神马电力股份有限公司 | Special-shaped cross arm and power transmission pole |
| CN105952242A (en) * | 2016-06-08 | 2016-09-21 | 江苏神马电力股份有限公司 | Cross arm and power transmission pole |
| CN111608465A (en) * | 2020-06-24 | 2020-09-01 | 固力发电气有限公司 | Composite insulation cross arm for power distribution |
-
2014
- 2014-03-27 CN CN201420142641.6U patent/CN203755780U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952235A (en) * | 2016-06-08 | 2016-09-21 | 江苏神马电力股份有限公司 | Special-shaped cross arm and power transmission pole |
| CN105952242A (en) * | 2016-06-08 | 2016-09-21 | 江苏神马电力股份有限公司 | Cross arm and power transmission pole |
| CN105952235B (en) * | 2016-06-08 | 2019-07-12 | 江苏神马电力股份有限公司 | A kind of abnormal shape cross-arm and power transmission rod |
| CN111608465A (en) * | 2020-06-24 | 2020-09-01 | 固力发电气有限公司 | Composite insulation cross arm for power distribution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |