CN210264112U - Lightning protection pole tower with composite structure - Google Patents
Lightning protection pole tower with composite structure Download PDFInfo
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- CN210264112U CN210264112U CN201920309239.5U CN201920309239U CN210264112U CN 210264112 U CN210264112 U CN 210264112U CN 201920309239 U CN201920309239 U CN 201920309239U CN 210264112 U CN210264112 U CN 210264112U
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Abstract
The utility model discloses a composite construction's lightning protection pole tower, composite construction lightning protection shaft tower include: a tower body, a cross arm and a lightning arrester; the tower body of the tower consists of a tower core, a conductive layer and an insulating coating; the cross arm is made of a high-strength composite conductive material and comprises an upper cross arm and a lower cross arm, and corresponding insulators are arranged at the end parts of the cross arms; the lightning arrester is a lightning rod with the top higher than the upper cross arm, the array pins of the lightning rod are three, one pin is directly fixed on the tower body and can be communicated with the conducting layer inside the tower body, the other two pins are respectively connected with the upper cross arm and the lower cross arm, and the lightning arrester is arranged at the connecting position. In this way, the utility model discloses can provide good lightning-arrest effect under the condition that reduces the whole weight of shaft tower, on the effectual installation cost's that has alleviateed electric power shaft tower basis, reduce the harm of thunder and lightning to power circuit.
Description
Technical Field
The utility model relates to an electric power shaft tower field especially relates to a composite construction lightning protection shaft tower.
Background
The power tower is equipment responsible for long-distance bearing of electric wires and cables in the process of power transmission, and is generally divided into a metal part and a nonmetal part. A common metal tower is generally an iron tower, the iron tower is formed by connecting steel components through bolts, high bearing capacity is achieved, and meanwhile good lightning grounding conductive performance is achieved, but the iron tower is poor in corrosion resistance and high in manufacturing cost. Nonmetal shaft tower commonly used is wood system shaft tower or cement tower generally, and wood system shaft tower intensity is lower, generally uses as temporarily, and cement tower unit weight is great, and is relatively poor to electric conductivity, needs to install special lightning conductor, and cement tower uses easy weathering to peel off under humid environment for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a composite construction lightning protection shaft tower, can effectively prevent the thunderbolt to electric power transmission line's influence and installation cost low.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a composite construction lightning protection shaft tower which characterized in that, composite construction lightning protection shaft tower include: a tower body, a cross arm and a lightning arrester; the tower body of the tower is a multi-composite column structure, the multi-composite structure consists of a tower core, a conducting layer and an insulating coating, the tower core is positioned in the middle of the column structure, the conducting layer is coated on the periphery of the tower core, and the insulating coating is positioned on the outermost side of the tower body and isolates the conducting layer from the outside; the tower core is a main bearing layer made of a high-strength composite material, the conducting layer is made of a composite conducting material, the insulating coating layer is made of a high-molecular insulating material, and the thickness of the insulating coating layer is 1-2.5 cm; the cross arm is divided into an upper cross arm and a lower cross arm, the upper cross arm and the lower cross arm are respectively fixed at corresponding positions of the tower body, an insulator is arranged at the end part of the cross arm, and the cross arm is made of a high-strength composite conductive material; the lightning arrester is a lightning rod with the top higher than the upper cross arm, the array pins of the lightning rod are three, one pin is directly fixed on the tower body and can be communicated with the conducting layer inside the tower body, the other two pins are respectively connected with the upper cross arm and the lower cross arm, and the lightning arrester is arranged at the connecting position.
In a preferred embodiment of the present invention, the tower core of the tower body is made of glass fiber reinforced nylon material.
In a preferred embodiment of the present invention, the glass fiber reinforced nylon material is a long glass fiber reinforced nylon material.
In a preferred embodiment of the present invention, the conductive layer of the tower body is made of a mesh conductive fiber and a polymer material, and the polymer material is PP, PE or a PP/PE mixture.
In a preferred embodiment of the present invention, the conductive fibers are metal fibers such as copper, aluminum, iron, or carbon fibers.
In a preferred embodiment of the present invention, the tower coating layer is made of a polymer insulating material PP or PE.
In a preferred embodiment of the present invention, the lightning rod is fixed to the tower body by a stainless steel band connected to the array leg, and a structure connected to the conductive layer through an insulating coating is disposed inside the band.
In a preferred embodiment of the present invention, the lightning arrester disposed between the lightning rod and the cross arm is a zinc oxide lightning arrester or a valve-type lightning arrester.
The utility model has the advantages that: the technical scheme of the utility model a body of tower of combined material's lightning protection pole tower is provided, whole light in weight when having higher intensity easily installs and uses, can utilize it moreover the special composite construction of shaft tower body sets up electrically conductive path, can effectually reduce the threat of thunder and lightning to power line, reduces the cost that sets up electric power tower.
Drawings
Fig. 1 is a schematic front view of a preferred embodiment of the present invention;
FIG. 2 is a schematic side view of a preferred embodiment of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a preferred embodiment of the present invention;
the parts in the drawings are numbered as follows:
1. the tower comprises a tower body, 2 lightning rods, 3 steel hoops, 4 upper cross arms, 5 lower cross arms, 6 insulators and 7 lightning arresters;
11. insulating coating, 12. conducting layer, 13. tower core, 14, conducting fiber;
31. a steel hoop body, 32. engaging teeth.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
the utility model provides a composite construction lightning protection shaft tower which characterized in that, composite construction lightning protection shaft tower include: the tower body 1, the cross arm and the lightning arrester; the tower body 1 is a multiple-composite column-shaped structure, the multiple-composite structure is composed of a tower core 13, a conducting layer 12 and an insulating coating 11, the tower core 13 is located in the middle of the column-shaped structure, the conducting layer 12 is coated on the periphery of the tower core, and the insulating coating 11 is located on the outermost side of the tower body 1 and isolates the conducting layer 12 from the outside; the tower core 13 is a main bearing layer made of a high-strength composite material, the conductive layer 12 is made of a composite conductive material, the insulating coating 11 is made of a high-molecular insulating material, and the thickness of the insulating coating 11 is 1.5 cm; the cross arm is divided into an upper cross arm 4 and a lower cross arm 5, the upper cross arm 4 and the lower cross arm 5 are respectively fixed at corresponding positions of the tower body 1, an insulator 6 is arranged at the end part of the cross arm, and the cross arm is made of high-strength composite conductive materials; the lightning arrester is a lightning rod 2 with the top end higher than the upper cross arm 4, three array pins of the lightning rod 2 are provided, one pin is directly fixed on the tower body 1 and can be communicated with the conducting layer 12 inside the tower body 1, the other two pins are respectively connected with the upper cross arm 4 and the lower cross arm 5, and the lightning arrester 7 is arranged at the connecting position.
The tower core 13 of the tower body 1 is made of glass fiber reinforced nylon material, the glass fiber reinforced nylon material is high in strength, good in bearing capacity and strong in environmental tolerance, and compared with metal components, the tower core is lighter in weight and easy to install.
The glass fiber reinforced nylon material is a long glass fiber nylon reinforced material, has more excellent impact strength than a common fiber reinforced material, and is stable in size, lower in molding shrinkage and more excellent in mechanical property.
The conducting layer 12 of the tower body 1 is made of reticular conducting fibers and a high polymer material in a composite mode, and the high polymer material is a PP/PE mixed material. The conductive fiber is a copper wire. The copper wires and the high-voltage-resistant PE are compounded to form a conductive network with good conductivity, and the conductive network is coated on the periphery of the tower core 12, so that the using amount of metal components is reduced, and meanwhile, good current passing performance is obtained.
The insulating coating 11 of the tower body 1 is made of a high polymer insulating material, and is made of a PP (polypropylene) composite material reinforced by glass fibers, so that the insulating property of the surface can be improved, and the wear resistance of the surface can be improved.
The lightning rod 2 is fixed on the tower body 1 through a stainless steel strap 3 connected to pins, a structure which penetrates through an insulating coating 11 and is connected with the conducting layer 12 is arranged on the inner side of the stainless steel strap 3, the connecting structure is a plurality of meshing teeth 32 arranged on the inner side of the stainless steel hoop main body 31, and the meshing teeth 32 can penetrate through the surface of the insulating coating 11 under the fastening effect of the stainless steel strap 3 and then are communicated with a conducting network of the conducting layer 12.
The lightning arrester 7 arranged between the lightning rod 2 and the cross arm is a zinc oxide lightning arrester, the lightning arrester 7 can play a role in overvoltage protection, high-voltage breakdown discharge is generated when lightning strike occurs, and high-voltage current is discharged through a loop of the lightning rod 2 and the tower body conducting layer 12.
In another embodiment of the present invention:
the utility model provides a composite construction lightning protection shaft tower which characterized in that, composite construction lightning protection shaft tower include: the tower body 1, the cross arm and the lightning arrester; the tower body 1 is a multiple-composite column-shaped structure, the multiple-composite structure is composed of a tower core 13, a conducting layer 12 and an insulating coating 11, the tower core 13 is located in the middle of the column-shaped structure, the conducting layer 12 is coated on the periphery of the tower core, and the insulating coating 11 is located on the outermost side of the tower body 1 and isolates the conducting layer 12 from the outside; the tower core 13 is a main bearing layer made of a high-strength composite material, the conductive layer 12 is made of a composite conductive material, the insulating coating 11 is made of a high-molecular insulating material, and the thickness of the insulating coating 11 is 2.5 cm; the cross arm is divided into an upper cross arm 4 and a lower cross arm 5, the upper cross arm 4 and the lower cross arm 5 are respectively fixed at corresponding positions of the tower body 1, an insulator 6 is arranged at the end part of the cross arm, and the cross arm is made of high-strength composite conductive materials; the lightning arrester is a lightning rod 2 with the top end higher than the upper cross arm 4, three array pins of the lightning rod 2 are provided, one pin is directly fixed on the tower body 1 and can be communicated with the conducting layer 12 inside the tower body 1, the other two pins are respectively connected with the upper cross arm 4 and the lower cross arm 5, and the lightning arrester 7 is arranged at the connecting position.
The tower core 13 of the tower body 1 is made of glass fiber reinforced nylon material, the glass fiber reinforced nylon material is high in strength, good in bearing capacity and strong in environmental tolerance, and compared with metal components, the tower core is lighter in weight and easy to install.
The glass fiber reinforced nylon material is a long glass fiber nylon reinforced material, has more excellent impact strength than a common fiber reinforced material, and is stable in size, lower in molding shrinkage and more excellent in mechanical property.
The conducting layer 12 of the tower body 1 is made of a net-shaped conducting fiber and a high polymer material in a composite mode, and the high polymer material is a high-pressure-resistant PE material. The conductive fiber is made of superfine carbon fiber material. The conductive fibers and the high-voltage-resistant PE are compounded to form a conductive network with good conductivity, and the conductive network is coated on the periphery of the tower core 12, so that the consumption of metal components is reduced, and meanwhile, good current passing performance is obtained.
The insulating coating 11 of the tower body 1 is made of high polymer insulating material PE, has good insulating property and high weather resistance.
The lightning rod 2 is fixed on the tower body 1 through a stainless steel strap 3 connected to pins, a structure which penetrates through an insulating coating 11 and is connected with the conducting layer 12 is arranged on the inner side of the stainless steel strap 3, the connecting structure is a plurality of meshing teeth 32 arranged on the inner side of the stainless steel hoop main body 31, and the meshing teeth 32 can penetrate through the surface of the insulating coating 11 under the fastening effect of the stainless steel strap 3 and then are communicated with a conducting network of the conducting layer 12.
The lightning arrester 7 arranged between the lightning rod 2 and the cross arm is a valve type lightning arrester, the lightning arrester 7 can play a role in overvoltage protection, high-voltage breakdown discharge is generated when lightning stroke occurs, and high-voltage current is discharged through a loop of the lightning rod 2 and the tower body conducting layer 12.
The utility model discloses an operating principle is at first that lightning rod 2 provides first heavy thunderbolt protection when taking place the thunderbolt accident, and high tension current can be through the leading-in underground of conducting network then through the leading-in underground of conducting network in the leading-in shaft tower of lightning rod 2, the electric power transmission line on the protection shaft tower. Under some special conditions, when high-voltage lightning is split on the cross arm, the lightning arrester 7 penetrates under high voltage, and high-voltage current is led into the lightning rod 2 through a pin of the lightning rod 2 connected with the lightning arrester 7 and then enters the conductive network on the tower body 1 to be discharged.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a composite construction lightning protection shaft tower which characterized in that, composite construction lightning protection shaft tower include: a tower body, a cross arm and a lightning arrester;
the tower body of the tower is a multiple-composite column-shaped structure, the multiple-composite column-shaped structure consists of a tower core, a conducting layer and an insulating coating, the tower core is positioned in the middle of the column-shaped structure, the conducting layer is coated on the periphery of the tower core, and the insulating coating is positioned on the outermost side of the tower body and isolates the conducting layer from the outside; the tower core is a main bearing layer made of a high-strength composite material, the conducting layer is made of a composite conducting material, the insulating coating layer is made of a high-molecular insulating material, and the thickness of the insulating coating layer is 1-2.5 cm;
the cross arm is divided into an upper cross arm and a lower cross arm, the upper cross arm and the lower cross arm are respectively fixed at corresponding positions of the tower body, an insulator is arranged at the end part of the cross arm, and the cross arm is made of a high-strength composite conductive material;
the lightning arrester is a lightning rod with the top higher than the upper cross arm, the array pins of the lightning rod are three, one pin is directly fixed on the tower body and can be communicated with the conducting layer inside the tower body, the other two pins are respectively connected with the upper cross arm and the lower cross arm, and the lightning arrester is arranged at the connecting position.
2. The composite lightning protection tower of claim 1, wherein the core of the tower body is made of glass fiber reinforced nylon.
3. The lightning protection tower with a composite structure as claimed in claim 2, wherein the glass fiber reinforced nylon material is a long glass fiber nylon reinforced material.
4. The lightning protection tower with a composite structure according to claim 1, wherein the conductive layer of the tower body is made of a combination of a reticular conductive fiber and a high polymer material, and the high polymer material is PP or PE.
5. The composite lightning protection tower as claimed in claim 4, wherein the conductive fibers are metal fibers such as copper, aluminum and iron or carbon fibers.
6. The lightning protection tower with a composite structure as claimed in claim 1, wherein the insulating coating of the tower body is made of PP or PE polymer insulating material.
7. The composite lightning protection tower according to claim 1, wherein the lightning rod is fixed to the tower body by a stainless steel strap connected to the array leg, and a structure connected to the conductive layer through an insulating coating is arranged inside the strap.
8. The composite structure lightning protection tower according to claim 1, wherein the lightning arrester arranged between the lightning rod and the cross arm is a zinc oxide lightning arrester or a valve type lightning arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309239.5U CN210264112U (en) | 2019-03-12 | 2019-03-12 | Lightning protection pole tower with composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309239.5U CN210264112U (en) | 2019-03-12 | 2019-03-12 | Lightning protection pole tower with composite structure |
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| Publication Number | Publication Date |
|---|---|
| CN210264112U true CN210264112U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920309239.5U Active CN210264112U (en) | 2019-03-12 | 2019-03-12 | Lightning protection pole tower with composite structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826482A (en) * | 2019-03-12 | 2019-05-31 | 常熟风范电力设备股份有限公司 | A kind of anti-lightning strike shaft tower of composite construction |
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2019
- 2019-03-12 CN CN201920309239.5U patent/CN210264112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826482A (en) * | 2019-03-12 | 2019-05-31 | 常熟风范电力设备股份有限公司 | A kind of anti-lightning strike shaft tower of composite construction |
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