CN202899719U - Compound tower and compound cross arm structure thereof for power grid power transmission line - Google Patents
Compound tower and compound cross arm structure thereof for power grid power transmission line Download PDFInfo
- Publication number
- CN202899719U CN202899719U CN 201220550223 CN201220550223U CN202899719U CN 202899719 U CN202899719 U CN 202899719U CN 201220550223 CN201220550223 CN 201220550223 CN 201220550223 U CN201220550223 U CN 201220550223U CN 202899719 U CN202899719 U CN 202899719U
- Authority
- CN
- China
- Prior art keywords
- insulator
- tower
- cross
- cross arm
- arm
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to the field of power transmission towers and provides a compound cross arm structure of a compound tower for a power grid power transmission line. The compound cross arm structure comprises two groups of cross arm insulators, and cable-strayed insulators corresponding to each group of cross arm insulators. The cross arm insulators are arranged in a V-shape along the horizontal plane direction, and first ends of each group of cross arm insulators, placed on the opening position of the V-shape, are connected to a tower body of the compound tower. One ends of the cable-strayed insulators are connected to second ends of the cross arm insulators, placed on the peak position of the V-shape, and the other ends of the cable-strayed insulators are connected to the tower body above the cross arm insulators. The compound cross arm structure is formed by adoption of the combination of the cross arm insulators and the cable-strayed insulators in a V-shaped triangle structure, and therefore the compound cross arm structure is stable, and capable of bearing large pressure and hanging high-voltage power grid power transmission lines. The utility model further provides the compound tower provided with the compound cross arm structure and used for the power grid power transmission line.
Description
Technical field
The utility model generally relates to power transmission tower, relates more specifically to a kind of power grid transmission line complex pole tower.
Background technology
Power transmission tower is to support the wire of high voltage overhead power transmission sequence and the structure of lightning conducter.Existing high voltage power transmission tower all adopts iron and steel material quality, is comprised of tower head, body of the tower and tower leg three parts.Such as Chinese invention patent application CN201010297983.1, it discloses a kind of high typical structure pattern that press dry font.Stretch out the metal material cross-arm of electric conductivity for hanging transmission pressure, to bear the weight of wire from the body of the tower of electrical grounding.Because transmission pressure need to keep certain electrical safety distance with earth point, discharge over the ground avoiding, flashover fault occurs, this just requires metal cross arm will possess enough length, free end at cross-arm adds long insulator string simultaneously, with the charged transmission pressure in interval and the metal cross arm of ground connection, guarantee insulation distance.
Because existing high voltage power transmission tower all adopts the all-steel structure, have that quality is heavy, easy-to-rust or defectives such as cracking, poor performance at low temperatures, also there are the problems such as construction transportation and operation maintenance difficulty.In addition, consider that wind load can make suspension insulator be the factor that certain windage yaw angle causes power line and power transmission tower body of the tower the air gap to reduce in the normal course of operation, not breakdown for guaranteeing the air gap between power line (electrical body) and the body of the tower part (ground connector), must when the design cross-arm, consider the impact of angle of wind deflection, the corresponding cross-arm length that increases, the width that this must increase whole passway for transmitting electricity corridor has increased the floor space of whole piece transmission line of electricity.
Consider the defects of steel shaft tower, applicant of the present utility model once proposed a kind of composite insulating tower for power grid transmission line, saw Chinese invention patent application CN201010115171.0.In the disclosed composite insulating tower of this patent application, owing to used the cross-arm of composite material manufacturing as the support member of power line, thereby can reduce the length of insulator string or avoid using suspension insulator, and then reduced the length of cross-arm, reduce cost and the weight of shaft tower, and reduce the floor space of power transmission tower.Yet the cross-arm of this complex pole tower only is made of an insulating bar, and is thiner, can't satisfy the support to high voltage transmission line.
The utility model content
Therefore, the purpose of this utility model provides and a kind ofly can satisfy the compound cross-arm structure that the high-voltage fence power line uses and the complex pole tower that uses this compound cross-arm structure.
For this reason, according to an aspect of the present utility model, the compound cross-arm structure of a kind of power grid transmission line with complex pole tower is provided, wherein, compound cross-arm structure comprises: two groups of cross arm insulators, it is arranged to V-shape along the horizontal plane direction, and the first end that is positioned at the V-shape opening part of every group of cross arm insulator is connected to the body of the tower of complex pole tower; Oblique pull insulator, oblique pull insulator one end are connected to second end that is positioned at place, V-shape summit of two groups of cross arm insulators, and the other end is connected to body of the tower above two groups of cross arm insulators.
Of the present utility model aspect this, because the mode that compound cross-arm structure adopts the cross arm insulator of V-shape three-legged structure to add the oblique pull insulator consists of, i.e. two groups of cross arm insulator composition triangular truss in a certain angle, and be hung on body of the tower away from the free end of body of the tower by the oblique pull insulator at cross arm insulator, therefore structure is more firm, and can bear larger pressure, can be used for hanging the high-voltage fence power line.
Preferably, every group of corresponding one group of oblique pull insulator of cross arm insulator, oblique pull insulator one end is connected to second end that is positioned at place, V-shape summit of this group cross arm insulator, and the other end is connected to body of the tower above this group cross arm insulator.
Preferably, above-mentioned two groups of cross arm insulators are 15 °～75 ° at the angle that place, V-shape summit forms.Angle is larger, and the mechanical strength that product can bear is larger; But after the product angle is excessive, on the basis of the insulation distance that guarantees cross-arm, the width of cross arm insulator length and body of the tower is increased simultaneously, cause cost greatly to increase, so generally angle is controlled at 15 °～75 °.
Preferably, above-mentioned cross arm insulator is hollow insulator.Hollow insulator is lightweight, and mechanical strength is high, can satisfy the mechanics requirement of shaft tower, and cost is low.
Further preferably, above-mentioned hollow insulator is two, and two hollow insulators are connected to each other by flange.Can lengthen like this length of cross-arm, thereby satisfy the more requirement of high-tension transmission line.
Again further preferably, compound cross-arm structure also comprises an auxiliary cross arm insulator, auxiliary cross arm insulator is connected to respectively the above-mentioned flange of above-mentioned two groups of cross arm insulators at its two ends, thereby makes two groups of cross arm insulators and auxiliary cross arm insulator jointly constitute the A font along the horizontal plane direction.That assists cross arm insulator is arranged so that the cross-arm three-legged structure is more firm, can satisfy the more requirement of high-tension transmission line.
Preferably, above-mentioned oblique pull insulator is line insulator.
Preferably, also comprise the intermediate insulation pull bar corresponding to every group of cross arm insulator, an end of intermediate insulation pull bar is connected to the above-mentioned flange of above-mentioned cross arm insulator, and the other end is connected to body of the tower above cross arm insulator.The setting of intermediate insulation pull bar can strengthen pressure and the bending force that cross arm insulator can bear better, thereby satisfies the more requirement of high-tension transmission line.
Further preferably, above-mentioned intermediate insulation pull bar is support insulator.Support insulator is rigidity, so the pressure that bears when the pulling force that bears in the time of can sharing cross arm end connection power line and wind are put.
Preferably, above-mentioned oblique pull insulator is hollow insulator.The hollow insulator cost is low, and is lightweight.
Further preferably, the hollow insulator that consists of above-mentioned oblique pull insulator is two, and these two hollow insulators are connected to each other by a flange.Can access better support in the time of can making cross arm end be subjected to pulling force by the flange connection.
Again further preferably, compound cross-arm structure also comprises the second connecting insulator and the 3rd connecting insulator be used to the oblique pull insulator that connects above-mentioned every group of cross arm insulator and correspondence thereof, the second connecting insulator be connected to respectively at its two ends above-mentioned cross arm insulator above-mentioned flange and with the above-mentioned flange of above-mentioned oblique pull insulator, the 3rd connecting insulator one end is connected to the flange of oblique pull insulator, and the other end is connected to body of the tower at the first end place of cross arm insulator.By this structure setting, make cross-arm become as a whole, can be stressed better.
According to another aspect of the present utility model, a kind of power grid transmission line complex pole tower is provided, wherein, complex pole tower comprises that body of the tower and at least one are installed in the compound cross-arm structure as above on the body of the tower.
Preferably, the body of the tower of complex pole tower is made of composite element.
Preferably, complex pole tower also comprises tower head, and tower head is made of composite element.
By the following described embodiment of reference, these and other aspects of the present utility model will clearly be set forth.
Description of drawings
Structure of the present utility model and mode of operation and further purpose and advantage will be better understood by the description below in conjunction with accompanying drawing, wherein, and the identical identical element of reference marker sign:
Fig. 1 is the front schematic view of using complex pole tower according to the power grid transmission line of the utility model the first embodiment;
Fig. 2 is the partial enlarged view that relates to compound cross-arm structure division among Fig. 1, and the compound cross-arm structure that power grid transmission line is used the first example of complex pole tower mainly is shown;
Fig. 3 is the phantom drawing of structure among Fig. 2;
Fig. 4 is the front schematic view of using complex pole tower according to the power grid transmission line of the utility model the second embodiment, and this complex pole tower has the compound cross-arm structure of the second example;
Fig. 5 is the front schematic view of using complex pole tower according to the power grid transmission line of the utility model the 3rd embodiment;
Fig. 6 is the partial enlarged view that relates to compound cross-arm structure division among Fig. 5, and the compound cross-arm structure that power grid transmission line is used the third example of complex pole tower mainly is shown;
Fig. 7 is the phantom drawing of structure among Fig. 5;
Fig. 8 is the front schematic view of using complex pole tower according to the power grid transmission line of the utility model the 4th embodiment, and it has the compound cross-arm structure of the third example as shown in Figure 6 and Figure 7;
Fig. 9 is the view that is similar to Fig. 6, and it shows the compound cross-arm structure of another example;
Figure 10 is the view that is similar to Fig. 7, and it shows the compound cross-arm structure of example shown in Figure 9.
The specific embodiment
As requested, will disclose the specific embodiment of the present utility model here.Yet, should be understood that disclosed embodiment only is exemplary of the present utility model here, it can be presented as various forms.Therefore, here the detail that discloses is not considered to restrictive, and only be differently to use representational basis of the present utility model as the basis of claim and as being used for instruction those skilled in the art in any appropriate mode of reality, comprise employing disclosed various features and in conjunction with the feature that may clearly not disclose here here.
At first, schematically illustrated by Fig. 1 with complex pole tower 10 according to the power grid transmission line of the utility model the first embodiment, this complex pole tower 10 is single loop line tower for upper font tower.As shown in Figure 1, complex pole tower 10 comprises tower head 11, body of the tower 12, column foot 13, and is connected and fixed on three compound cross-arm structures 14 on the body of the tower 12.In this embodiment, tower head 11, body of the tower 12, column foot 13 are steel structure, but should be appreciated that tower head 11 and body of the tower 12 all preferably adopt composite element to consist of.Wherein, here the denomination of invention that the composite element of mentioning can adopt the utility model applicant elder generation submit no longer elaborates at this for " composite insulating tower for power grid transmission line ", number of patent application are pultrusion or the winding process preparation of mobile jib mentioned in the application for a patent for invention file of CN201010115171.0.
Again as shown in Figure 1, on this, have three compound cross-arm structures 14 in the font tower 10, wherein be positioned at uppermost compound cross-arm structure and be referred to as cross-arm, be positioned at two following compound cross-arm structures and be referred to as lower cross-arm.In this embodiment, as the compound cross-arm structure 14 of the first example as shown in Figures 2 and 3, comprise two groups of cross arm insulators 141 and corresponding to the oblique pull insulator 142 of every group of cross arm insulator 141, wherein, two groups of cross arm insulators 141 are arranged to V-shape along the horizontal plane direction, and the first end that is positioned at the V-shape opening part 1411 of every group of cross arm insulator 141 can be connected on the body of the tower 12 of complex pole tower 10 by means of plate-type metal part 143.Oblique pull insulator 142 1 ends are free end 1412 by being suspended on the second end that is positioned at place, V-shape summit that is connected to cross arm insulator 141 on the end metal connecting piece 143, and the other end of oblique pull insulator 142 is connected to body of the tower 12 above cross arm insulator 141.The direction of the V-shape of mentioning above should be appreciated that is definite like this, and its openend is towards body of the tower, and the top is that free end is used for hanging power line.
Because the mode that compound cross-arm structure 14 adopts the cross arm insulator of V-shape (being three-legged structure) to add the oblique pull insulator consists of, namely two groups of cross arm insulator α in a certain angle form triangular truss, and be hung on body of the tower away from the free end of body of the tower by the oblique pull insulator at cross arm insulator, therefore structure is more firm, and can bear larger pressure and bending force, can be used for hanging the high-voltage fence power line, such as the high-voltage fence power line of 750KV.As shown in Figure 3, the angle α that forms at place, V-shape summit of two groups of cross arm insulators 141 can be arranged in 15 °～75 ° the scope.Angle is larger, and the mechanical strength that product can bear is larger; But after the product angle is excessive, on the basis of the insulation distance that guarantees cross-arm, the width of cross arm insulator length and body of the tower is increased simultaneously, cause cost greatly to increase putting generally angle being controlled at 15 °～75 °.In the present embodiment, angle α is 30 °.By this set, both guaranteed the force request of 750kV complex pole tower actual condition, guaranteed that again the width of cross arm insulator length and body of the tower is optimum, and the most attractive in appearance.
In the present embodiment; every group of cross arm insulator 141 of compound cross-arm structure 14 is the hollow insulator of a pressure pipe form that is made of composite material; such as being the expoxy glass steel pipe that to bear mechanical strength; boring also is filled with the foam of polyurethane material, and the outside has had the silastic material of external insulation protective effect as sheath and full skirt.Should be understood that above-mentioned expoxy glass steel pipe also can replace with vinyl material or polyurethane material wind pipe; Also can be filled with insulating gas, insulating oil or solid dielectric insulation during expoxy glass steel pipe boring, certainly, the expoxy glass steel pipe also can be made inner solid; Above-mentioned silastic material can be high-temperature silicon disulfide rubber, room temperature vulcanized silicone rubber or fluid silicone rubber.The preparation of cross arm insulator is not emphasis of the present utility model, and details can not be the application for a patent for invention file of CN201010115171.0 with reference to application number to the greatest extent.
For the pressure pipe 141 of bearing pressure and bending force, what its end metal fitting or metal flange 1415 adopted is mucilage binding technique or interference fit moulding, mucilage binding is than (flange height: be 0.8～1.5 caliber), can improve better anti-pressure ability and resistance to tension like this.Particularly, the mucilage binding structure of pressure pipe 141 is at the inner processing of metal connecting piece multiple tracks hoop metallic channel, the mucilage binding grooved of the corresponding socket of corresponding wind pipe external surface position processing same size, form fit between the two, between groove and groove, pass through the root fabrication hole, inject a kind of glue between the grooved that both cooperate and fill up, solidify for a long time by room temperature, be 8～16 hours general hardening time, perhaps accelerate to solidify by the method for external heat, solidification temperature is 100 ℃～150 ℃, and be 1～4 hour hardening time.
In the present embodiment, oblique pull insulator 142 is line insulator, constitutes the form of composite material pull bar.This pull bar 142 adopts the pultrusion solid hopkinson bar, and composites is epoxy, vinyl or polyurethane material, and there has been the silastic material of external insulation protective effect its outside.This oblique pull insulator 142 is used for cross arm insulator 141 is hung on body of the tower 12, and can be connected with body of the tower with cross arm insulator 141 respectively by end metalwork 144 and be connected in its two ends, as shown in Figure 3.Wherein, the end metalwork 144 of oblique pull insulator 142 adopts traditional compression joint technique moulding.
Substitute the metal cross arm part of conventional high-tension (for example 750kV) steel tower with above-mentioned compound cross-arm, can fully phase out or shorten for the suspension insulator on traditional steel tower, shorten thereby eliminated by the caused insulation distance of suspension insulator windage yaw, the risk that the air gap punctures, can greatly shorten cross-arm length, reduce the circuit width of corridor.
Power grid transmission line according to the utility model the second embodiment is used complex pole tower 20 as shown in Figure 4.Unique different being from the first embodiment shown in Figure 1: in the present embodiment, all consisted of by two hollow insulators as each groups of two groups of cross arm insulators 241 of the compound cross-arm structure 24 of the second example, as shown in Figure 4.Can be formed by connecting by metal flange 245 between two hollow insulators.By such setting, can lengthen the length of compound cross-arm structure 24, thereby can satisfy the more requirement of high-tension transmission line.
Use complex pole tower 30 and compound cross-arm structure 34 thereof respectively such as Fig. 5, Fig. 6 and shown in Figure 7 according to the power grid transmission line of the utility model the 3rd embodiment.This embodiment and Fig. 1, Fig. 2, the different of the first embodiment shown in Figure 3 are: such as the second embodiment, each group of two groups of cross arm insulators 341 of the compound cross-arm structure 34 of the third example all is made of two hollow insulators, can be formed by connecting by metal flange 345 between two hollow insulators, see Fig. 6 and Fig. 7; In addition, the compound cross-arm structure 34 of this embodiment also comprises an auxiliary cross arm insulator 346 and corresponding to the intermediate insulation pull bar 347 of every group of cross arm insulator 341 except comprising two groups of cross arm insulators 341 and the oblique pull insulator 342 corresponding with every group of cross arm insulator 341.
As shown in Figure 6 and Figure 7, auxiliary cross arm insulator 346 is connected to respectively the metal flange 345 of two groups of cross arm insulators 341 at its two ends, thereby makes two groups of cross arm insulators 341 and auxiliary cross arm insulator 346 jointly constitute the A font along the horizontal plane direction.The direction that should be appreciated that the A font is definite like this, and its openend is towards body of the tower, and the top is that free end is used for hanging power line.One end of intermediate insulation pull bar 347 is connected to the metal flange 345 of 341 hollow insulators of cross arm insulator, and the other end is connected to body of the tower 32 above cross arm insulator 341.Wherein, intermediate insulation pull bar 347 can be support insulator, and this support insulator adopts the pultrude process moulding, the outside silastic material that the external insulation protective effect has also been arranged.Should be understood that, when the two ends of auxiliary cross arm insulator 346 are connected to the metal flange 345 of a hollow insulator of close body of the tower of every group of cross arm insulator 341, intermediate insulation pull bar 347 preferred two ends are connected to the metal flange 345 away from a hollow insulator of body of the tower of every group of cross arm insulator 341, and vice versa.
Power grid transmission line according to the utility model the 4th embodiment is schematically illustrated by Fig. 8 with complex pole tower 40, and this complex pole tower 40 is the double loop tower for doing the font tower.In this embodiment, complex pole tower 40 has six compound cross-arm structures 44, and is in full accord as the compound cross-arm structure 34 of the third example in each compound cross-arm structure 44 and the 3rd embodiment shown in Fig. 5-7, do not repeat them here.
Fig. 9 is the view that is similar to Fig. 6, and it shows the compound cross-arm structure 54 of another example; Figure 10 is the view that is similar to Fig. 7, and it shows the compound cross-arm structure 54 of example shown in Figure 9.The something in common of the compound cross-arm structure 54 of this example and the compound cross-arm structure 34 of Fig. 6 and the third example shown in Figure 7 is structure and the arrangement of two groups of cross arm insulators 541 and auxiliary cross arm insulator 546, difference is: in this embodiment, oblique pull insulator 542 adopts hollow insulators, and each oblique pull insulator 542 also is to be formed by connecting by means of separately metal flange 545 by two hollow insulators; Cancel in this example simultaneously the use of two intermediate insulation pull bars, change into and use two the second connecting insulators 548 and two the 3rd connecting insulators 549.
Particularly, in this embodiment, each second connecting insulator 548 is used for connecting one group of cross arm insulator 541 and corresponding oblique pull insulator 542 thereof.Second connecting insulator 548 is connected to respectively the metal flange 545 at one group of cross arm insulator 541 intermediate contact place and the metal flange 545 at corresponding oblique pull insulator 542 intermediate contact places at its two ends.Each the 3rd connecting insulator 549 is for body of the tower 52 that oblique pull insulator 542 further is connected to.The 3rd connecting insulator 549 1 ends are connected to another metal flange 545 at oblique pull insulator 542 intermediate contact places, and the other end is connected to body of the tower 52 at the first end place of cross arm insulator 541.
Should be understood that, as shown in figure 10, when the two ends of auxiliary cross arm insulator 546 are connected to the metal flange 545 (i.e. a metal flange of the close body of the tower in this two hollow insulator intermediate contacts place, group cross arm insulator ground) of a hollow insulator of close body of the tower of every group of cross arm insulator 541, the second connecting insulator 548 preferred ends are connected to the metal flange 545 away from a hollow insulator of body of the tower (namely two hollow insulator intermediate contact places are away from a metal flange of body of the tower) of one group of cross arm insulator 541, and the other end is connected to the metal flange 545 (being that two hollow insulator intermediate contact places of oblique pull insulator are away from a metal flange of body of the tower) away from a hollow insulator of body of the tower of corresponding oblique pull insulator 542; Successively, the 3rd connecting insulator 549 preferred ends are connected to the metal flange 545 (being that two hollow insulator intermediate contact places of oblique pull insulator are near a metal flange of body of the tower) of a hollow insulator of the close body of the tower of this group oblique pull insulator 542, and the other end is connected to body of the tower 52 at the first end place of corresponding one group of cross arm insulator 541; Vice versa.
Although in the above-described embodiment, each group in two groups of cross arm insulators is corresponding one group of oblique pull insulator all, should be appreciated that the oblique pull insulator can be one group, and this group of oblique pull insulator is used for these two groups of cross arm insulators are hung to body of the tower.In addition, this group of oblique pull insulator can be an insulator, also can be that two insulators are formed by connecting.In addition, although the metal flange that uses in the above-described embodiment should be appreciated that flange also can be nonmetallic, require as long as can satisfy to support.It is to be further understood that above-mentioned line insulator is flexible, support insulator is rigidity.
Technology contents of the present utility model and technical characterstic have disclosed as above; yet be appreciated that; under creative ideas of the present utility model; those skilled in the art can make various changes and improve said structure and material; comprise here disclosing separately or the combination of claimed technical characterictic, comprise significantly other combination of these features.These distortion and/or combination all fall in the related technical field of the utility model, and fall into the protection domain of the utility model claim.It should be noted that by convention, use discrete component to be intended to comprise one or more such elements in the claim.In addition, any reference marker in claims should be configured to limit scope of the present utility model.
Claims (15)
1. a power grid transmission line is characterized in that described compound cross-arm structure comprises with the compound cross-arm structure of complex pole tower:
Two groups of cross arm insulators, it is arranged to V-shape along the horizontal plane direction, and the first end that is positioned at the V-shape opening part of every group of cross arm insulator is connected to the body of the tower of described complex pole tower;
Oblique pull insulator, described oblique pull insulator one end are connected to second end that is positioned at place, V-shape summit of described two groups of cross arm insulators, and the other end is connected to described body of the tower above described two groups of cross arm insulators.
2. power grid transmission line as claimed in claim 1 is with the compound cross-arm structure of complex pole tower, it is characterized in that, the corresponding one group of described oblique pull insulator of described every group of cross arm insulator, described oblique pull insulator one end is connected to this second end that is positioned at V-shape summit place of organizing described cross arm insulator, the other end this organize described cross arm insulator above be connected to described body of the tower.
3. power grid transmission line as claimed in claim 2 is characterized in that with the compound cross-arm structure of complex pole tower, and described two groups of cross arm insulators are 15 °～75 ° at the angle that place, V-shape summit forms.
4. power grid transmission line as claimed in claim 3 is characterized in that with the compound cross-arm structure of complex pole tower described every group of cross arm insulator is a hollow insulator.
5. power grid transmission line as claimed in claim 3 is characterized in that with the compound cross-arm structure of complex pole tower, and described every group of cross arm insulator is that two hollow insulators are connected to each other by flange and form.
6. power grid transmission line as claimed in claim 5 is with the compound cross-arm structure of complex pole tower, it is characterized in that, also comprise an auxiliary cross arm insulator, described auxiliary cross arm insulator is connected to respectively the described flange of described two groups of cross arm insulators at its two ends, thereby makes described two groups of cross arm insulators and described auxiliary cross arm insulator jointly constitute the A font along the horizontal plane direction.
7. such as the compound cross-arm structure of each described power grid transmission line of claim 1-6 with complex pole tower, it is characterized in that described oblique pull insulator is line insulator.
8. use the compound cross-arm structure of complex pole tower such as claim 7 described power grid transmission line when it quotes claim 5, it is characterized in that, also comprise the intermediate insulation pull bar corresponding to every group of cross arm insulator, one end of described intermediate insulation pull bar is connected to the described flange of described cross arm insulator, and the other end is connected to described body of the tower above described cross arm insulator.
9. power grid transmission line as claimed in claim 8 is characterized in that with the compound cross-arm structure of complex pole tower described intermediate insulation pull bar is support insulator.
10. power grid transmission line as claimed in claim 6 is characterized in that with the compound cross-arm structure of complex pole tower the described oblique pull insulator corresponding with described every group of cross arm insulator is hollow insulator.
11. power grid transmission line as claimed in claim 10 is characterized in that with the compound cross-arm structure of complex pole tower described hollow insulator is two, described two hollow insulators are connected to each other by flange.
12. the power grid transmission line as claimed in claim 11 compound cross-arm structure of complex pole tower, it is characterized in that, also comprise the second connecting insulator and the 3rd connecting insulator be used to the described oblique pull insulator that connects described every group of cross arm insulator and correspondence thereof, described the second connecting insulator be connected to respectively at its two ends described cross arm insulator described flange and with the described flange of described oblique pull insulator, described the 3rd connecting insulator one end is connected to the described flange of described oblique pull insulator, and the other end is connected to described body of the tower at the described first end place of described cross arm insulator.
13. a power grid transmission line complex pole tower is characterized in that, described complex pole tower comprise body of the tower and at least one be installed on the described body of the tower such as the described compound cross-arm structure of claim 1 to 11.
14. power grid transmission line complex pole tower as claimed in claim 13 is characterized in that the body of the tower of described complex pole tower is made of composite element.
15. such as claim 13 or 14 described power grid transmission line complex pole towers, it is characterized in that described complex pole tower also comprises tower head, described tower head is made of composite element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550223 CN202899719U (en) | 2012-10-25 | 2012-10-25 | Compound tower and compound cross arm structure thereof for power grid power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550223 CN202899719U (en) | 2012-10-25 | 2012-10-25 | Compound tower and compound cross arm structure thereof for power grid power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202899719U true CN202899719U (en) | 2013-04-24 |
Family
ID=48120405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550223 Withdrawn - After Issue CN202899719U (en) | 2012-10-25 | 2012-10-25 | Compound tower and compound cross arm structure thereof for power grid power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202899719U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452370A (en) * | 2012-10-25 | 2013-12-18 | 江苏神马电力股份有限公司 | Compound tower for power grid power transmission lines and compound cross arm structure thereof |
| CN106088774A (en) * | 2016-08-08 | 2016-11-09 | 成都城电电力工程设计有限公司 | A kind of 500kV single back line bores more extra high voltage line wineglass tower |
| EP3190245A4 (en) * | 2014-09-01 | 2018-05-23 | Jiangsu Shenma Electric Co., Ltd. | Power transmission tower |
| CN109252732A (en) * | 2018-10-24 | 2019-01-22 | 国网新疆电力有限公司建设分公司 | A kind of double pointed cross-arm and power transmission tower |
| EP4071324A4 (en) * | 2021-02-24 | 2023-08-02 | Jiangsu Shemar Electric Co., Ltd. | Composite cross arm and power transmission tower |
-
2012
- 2012-10-25 CN CN 201220550223 patent/CN202899719U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452370A (en) * | 2012-10-25 | 2013-12-18 | 江苏神马电力股份有限公司 | Compound tower for power grid power transmission lines and compound cross arm structure thereof |
| WO2014063645A1 (en) * | 2012-10-25 | 2014-05-01 | 江苏神马电力股份有限公司 | Composite tower for power transmission lines of power grid and composite cross arm structure thereof |
| US9698585B2 (en) | 2012-10-25 | 2017-07-04 | Jiangsu Shenma Electric Co., Ltd. | Composite tower for power transmission lines of power grid and composite cross arm structure thereof |
| EP3190245A4 (en) * | 2014-09-01 | 2018-05-23 | Jiangsu Shenma Electric Co., Ltd. | Power transmission tower |
| US10205312B2 (en) | 2014-09-01 | 2019-02-12 | Jiangsu Shenma Electric Co., Ltd. | Power transmission tower |
| CN106088774A (en) * | 2016-08-08 | 2016-11-09 | 成都城电电力工程设计有限公司 | A kind of 500kV single back line bores more extra high voltage line wineglass tower |
| CN109252732A (en) * | 2018-10-24 | 2019-01-22 | 国网新疆电力有限公司建设分公司 | A kind of double pointed cross-arm and power transmission tower |
| CN109252732B (en) * | 2018-10-24 | 2024-03-26 | 国网新疆电力有限公司建设分公司 | Double-tip cross arm and power transmission tower |
| EP4071324A4 (en) * | 2021-02-24 | 2023-08-02 | Jiangsu Shemar Electric Co., Ltd. | Composite cross arm and power transmission tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103452370B (en) | Power grid transmission line complex pole tower and compound cross-arm structure thereof | |
| CN202899719U (en) | Compound tower and compound cross arm structure thereof for power grid power transmission line | |
| CN103174321B (en) | Power grid transmission line complex pole tower and compound cross-arm structure thereof | |
| CN103122723B (en) | Novel wine glass composite material tower | |
| CN203145552U (en) | Composite tower used for power grid power lines and composite cross arm structure thereof | |
| CN203338884U (en) | Composite insulator | |
| CN105952235B (en) | A kind of abnormal shape cross-arm and power transmission rod | |
| CN103595005A (en) | Insulator type lightning arrester | |
| CN208797539U (en) | It can prevent the fixed device of the wire jumper of windage yaw | |
| CN113644611B (en) | Transmission line capacity increasing method based on six-phase transmission technology and insulating cross arm | |
| CN202601331U (en) | Long-rod-shaped porcelain composite insulator | |
| CN102751687A (en) | Drainage armour clamp of high voltage alternative current circuit tension resisting tower | |
| CN201893186U (en) | Windproof inclined composite insulator | |
| CN204391660U (en) | A kind of ultra-high-tension power transmission line list returns strain rod tower lead wire and earth wire arrangement system | |
| CN202996442U (en) | Brace type composite insulator | |
| CN203165582U (en) | Super /extra high tension AC composite insulator umbrella shape structure | |
| CN203081021U (en) | Novel wine glass composite material tower | |
| CN105220933A (en) | A kind of steel tower cross-arm component | |
| CN207017749U (en) | A kind of cross-arm and single-pole tower | |
| CN206693726U (en) | A kind of umbellate form composite material cross arm tower | |
| CN110644840A (en) | 220kV is with tight type windage yaw transmission tower of tower double loop | |
| CN205116878U (en) | Iron tower cross arm component | |
| CN104164994A (en) | Mountainous area anti-swing transmission line tangent tower for glass fiber reinforced plastic V-shaped strings | |
| CN203325601U (en) | Ultra-high voltage AC-DC porcelain pillar insulator | |
| CN209233437U (en) | ± 1100KV DC line tangent tower arrester device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |