CN203760234U - Aerial bare line lightning protection system - Google Patents
Aerial bare line lightning protection system Download PDFInfo
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- CN203760234U CN203760234U CN201420142866.1U CN201420142866U CN203760234U CN 203760234 U CN203760234 U CN 203760234U CN 201420142866 U CN201420142866 U CN 201420142866U CN 203760234 U CN203760234 U CN 203760234U
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- reinforced plastic
- glass fibre
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- insulating body
- plastic insulating
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- 239000012212 insulator Substances 0.000 claims abstract description 52
- 239000000919 ceramic Substances 0.000 claims abstract description 43
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 115
- 239000003365 glass fiber Substances 0.000 claims description 115
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000005452 bending Methods 0.000 abstract description 3
- 210000001624 hip Anatomy 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000009413 insulation Methods 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
- 230000002787 reinforcement 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
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- 238000009434 installation Methods 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
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- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Insulators (AREA)
Abstract
The utility model discloses an aerial bare line lightning protection system. The system comprises a blocking-up rectangular transverse glass fiber reinforced plastic insulator 3, an isosceles trapezoid glass fiber reinforced plastic insulator 2 and a rebasing rectangular transverse glass fiber reinforced plastic insulator 1 arranged sequentially from top to bottom, the upper bottom surface of the isosceles trapezoid glass fiber reinforced plastic insulator 2 is connected with the blocking-up rectangular transverse glass fiber reinforced plastic insulator 3, and the lower bottom surface of the isosceles trapezoid glass fiber reinforced plastic insulator 2 is connected with the rebasing rectangular transverse glass fiber reinforced plastic insulator 1. The blocking-up rectangular transverse glass fiber reinforced plastic insulator 3, the isosceles trapezoid glass fiber reinforced plastic insulator 2 and the rebasing rectangular transverse glass fiber reinforced plastic insulator 1 are of an integrated insulating crossarm structure, triangular ceramic bodies 4 are arranged inside the insulating crossarm structure, the lower bottom edges of the triangular ceramic bodies 4 are located inside the rebasing rectangular transverse glass fiber reinforced plastic insulator, and two bottom corners of each triangular ceramic body 4 are located inside the isosceles trapezoid glass fiber reinforced plastic insulator. Bending and deformation factors of the insulating crossarm structure are weakened, and the aerial bare line lightning protection system can be used for long-line transmission.
Description
Technical field
The utility model relates to transmission line construction equipment field, specifically: aerial bare line lightning-protection system.
Background technology
In transmission line, 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 insulation 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 insulation 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 post insulator cross-arm, drop type safety fuse cross-arm, lightning 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 aerial bare line lightning-protection system, with conventional steel cross-arm structure was consistent in the past, is a vertical bar column structure.
The shortcoming of fiberglass 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 shell structure, sandwich, also can or do the forms such as reinforcement 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 aerial bare line lightning-protection system 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 aerial bare line lightning-protection system, aggravate like this flexural deformation of aerial bare line lightning-protection system, have a strong impact on the safety of transmission line, but because aerial bare line lightning-protection system exists advantage aspect lightning-arrest effect, therefore we need to arrange a kind of on-deformable aerial bare line lightning-protection system.
Utility model content
Technical problem to be solved in the utility model is that a kind of on-deformable aerial bare line lightning-protection system is set.
The technical scheme in the invention for solving the above technical problem is: aerial bare line lightning-protection system, 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 insulator, 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.
Wherein, the circumferential area of lightning protection pillar insulator is provided with the annular coaxial with lightning protection pillar insulator and leads loop-drive, the outer diametric plane of lightning protection pillar insulator and annular are led loop-drive and are had gap, also comprise horizontal mounting blocks, laterally mounting blocks runs through the horizontal glass fibre reinforced plastic insulating body of padded rectangle, laterally in mounting blocks, is provided with the transverse conductance rod A and the transverse conductance rod B that run through horizontal mounting blocks; Transverse conductance rod A all leads loop-drive by 1 root post conduction stand with annular separately with transverse conductance rod B and is connected, wherein column conduction stand lays respectively at the both end sides of horizontal mounting blocks, transverse conductance rod A is connected with earth connection A away from one end of column conduction stand, and transverse conductance rod B is connected with earth connection B away from one end of column conduction stand.
Annular is led loop-drive thunderbolt voltage arc is drawn and receives annular and lead on loop-drive, is transmitted to respectively transverse conductance rod A and transverse conductance rod B by 2 root posts conduction stands, is then conducted into respectively ground by earth connection A and earth connection B, completes to lead thunder and enter ground.Traditional earth connection is that cylinder contacts with cylindrical with the fixed form of leading camber line, i.e. contact.Contact resistance is very large, and short circuit current flows through contact point acutely raises temperature, causes broken string.The utility model is in order to overcome the problems referred to above, utilize 2 circuits as guiding, lead camber line road and access through transverse conductance rod A, earth connection A for one, another accesses ground by transverse conductance rod B, earth connection B, when after any fracture wherein, this structure still can normally be worked, and does not affect anti-lightning strike effect.The utility model adopts annular to lead loop-drive can increase transmission line, avoids electric current only to flow through a contact point.
The tie point of transverse conductance rod A and earth connection A is positioned at horizontal mounting blocks, the tie point of transverse conductance rod B and earth connection B is positioned at horizontal mounting blocks, laterally in mounting blocks, be provided with 2 copper pipes, the tie point of transverse conductance rod A and earth connection A is positioned at one of them copper pipe, and the tie point of transverse conductance rod B and earth connection B is positioned at another one copper pipe.Install additional and protect lines and not only can play strengthening action to wire intensity at wire, the more important thing is that height contact contacts for face, has lowered contact resistance and has increased radiating surface.Thereby reduce the generation of lightning-caused breaking, 2 copper pipes are with respect to protecting lines.
Together with transverse conductance rod A passes through aluminium armor tape bind with transverse conductance rod B.Increase the water conservancy diversion effect of transverse conductance rod A and transverse conductance rod B.
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 front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is the arrangement pattern diagram of triangle ceramic body while being three.
Fig. 4 is lightning protection hardware structure installation diagram.
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; 11, annular is led loop-drive; 12, column conduction stand; 13, horizontal mounting blocks; 14, transverse conductance rod A; 15, transverse conductance rod B; 16, earth connection A; 17, earth connection B.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but execution mode 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: aerial bare line lightning-protection system, 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 insulator, 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 Fig. 4, wherein, the circumferential area of lightning protection pillar insulator 5 is provided with the annular coaxial with lightning protection pillar insulator 5 and leads loop-drive 11, the outer diametric plane of lightning protection pillar insulator 5 and annular are led loop-drive 11 and are had gap, also comprise horizontal mounting blocks 13, laterally mounting blocks runs through the horizontal glass fibre reinforced plastic insulating body 3 of padded rectangle, laterally in mounting blocks, is provided with the transverse conductance rod A14 and the transverse conductance rod B15 that run through horizontal mounting blocks; Transverse conductance rod A14 all leads loop-drive 11 by 1 root post conduction stand 12 with annular separately with transverse conductance rod B15 and is connected, wherein column conduction stand 12 lays respectively at the both end sides of horizontal mounting blocks, transverse conductance rod A14 is connected with earth connection A16 away from one end of column conduction stand 12, and transverse conductance rod B15 is connected with earth connection B17 away from one end of column conduction stand 12.
Annular is led loop-drive 11 thunderbolt voltage arc is drawn and receives annular and lead on loop-drive 11, is transmitted to respectively transverse conductance rod A14 and transverse conductance rod B15 by 2 root posts conduction stands 12, is then conducted into respectively ground by earth connection A16 and earth connection B17, completes to lead thunder and enter ground.Traditional earth connection is that cylinder contacts with cylindrical with the fixed form of leading camber line, i.e. contact.Contact resistance is very large, and short circuit current flows through contact point acutely raises temperature, causes broken string.The utility model is in order to overcome the problems referred to above, utilize 2 circuits as guiding, lead camber line road and access through transverse conductance rod A14, earth connection A16 for one, another is by transverse conductance rod B15 earth connection B17 access ground, when after any fracture wherein, this structure still can normally be worked, and does not affect anti-lightning strike effect.The utility model adopts annular to lead loop-drive 11 can increase transmission line, avoids electric current only to flow through a contact point.
The tie point of transverse conductance rod A14 and earth connection A16 is positioned at horizontal mounting blocks, the tie point of transverse conductance rod B15 and earth connection B17 is positioned at horizontal mounting blocks, laterally in mounting blocks, be provided with 2 copper pipes, the tie point of transverse conductance rod A14 and earth connection A16 is positioned at one of them copper pipe, and the tie point of transverse conductance rod B15 and earth connection B17 is positioned at another one copper pipe.Install additional and protect lines and not only can play strengthening action to wire intensity at wire, the more important thing is that height contact contacts for face, has lowered contact resistance and has increased radiating surface.Thereby reduce the generation of lightning-caused breaking, 2 copper pipes are with respect to protecting lines.
Together with transverse conductance rod A14 passes through aluminium armor tape bind with transverse conductance rod B15.Increase the water conservancy diversion effect of transverse conductance rod A14 and transverse conductance rod B15.
As mentioned above, can realize preferably the utility model.
Claims (7)
1. aerial bare line lightning-protection system, 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;
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, and 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;
Wherein, the circumferential area of lightning protection pillar insulator (5) is provided with the annular coaxial with lightning protection pillar insulator (5) and leads loop-drive (11), the outer diametric plane of lightning protection pillar insulator (5) and annular are led loop-drive (11) and are had gap, also comprise horizontal mounting blocks (13), laterally mounting blocks runs through the horizontal glass fibre reinforced plastic insulating body of padded rectangle (3), laterally in mounting blocks, is provided with the transverse conductance rod A(14 that runs through horizontal mounting blocks) and transverse conductance rod B(15); Transverse conductance rod A(14) and transverse conductance rod B(15) all conduct electricity stand (12) by 1 root post separately and lead loop-drive (11) with annular and be connected, wherein column conduction stand (12) lays respectively at the both end sides of horizontal mounting blocks, transverse conductance rod A(14) be connected with earth connection A(16 away from one end of column conduction stand (12)), transverse conductance rod B(15) be connected with earth connection B(17 away from one end of column conduction stand (12)).
2. aerial bare line lightning-protection system 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.
3. aerial bare line lightning-protection system according to claim 2, is characterized in that, front plate (6) is connected with hoop (10) by grip bolt (8).
4. according to the aerial bare line lightning-protection system described in any one in claim 1-3, 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.
5. according to the aerial bare line lightning-protection system described in any one in claim 1-3, 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.
6. according to the aerial bare line lightning-protection system described in any one in claim 1-3, it is characterized in that transverse conductance rod A(14) and transverse conductance rod B(15) by aluminium armor tape bind together.
7. according to the aerial bare line lightning-protection system described in any one in claim 1-3, it is characterized in that, transverse conductance rod A(14) with earth connection A(16) tie point be positioned at horizontal mounting blocks, transverse conductance rod B(15) with earth connection B(17) tie point be positioned at horizontal mounting blocks, laterally in mounting blocks, be provided with 2 copper pipes, transverse conductance rod A(14) with earth connection A(16) tie point be positioned at one of them copper pipe, transverse conductance rod B(15) with earth connection B(17) tie point be positioned at another one copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142866.1U CN203760234U (en) | 2014-03-27 | 2014-03-27 | Aerial bare line lightning protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142866.1U CN203760234U (en) | 2014-03-27 | 2014-03-27 | Aerial bare line lightning protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760234U true CN203760234U (en) | 2014-08-06 |
Family
ID=51255480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420142866.1U Expired - Lifetime CN203760234U (en) | 2014-03-27 | 2014-03-27 | Aerial bare line lightning protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760234U (en) |
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2014
- 2014-03-27 CN CN201420142866.1U patent/CN203760234U/en not_active Expired - Lifetime
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