CN203481748U - Standard type tower insulation cross-arm combination - Google Patents
Standard type tower insulation cross-arm combination Download PDFInfo
- Publication number
- CN203481748U CN203481748U CN201320601658.9U CN201320601658U CN203481748U CN 203481748 U CN203481748 U CN 203481748U CN 201320601658 U CN201320601658 U CN 201320601658U CN 203481748 U CN203481748 U CN 203481748U
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- China
- Prior art keywords
- standard type
- cross
- arms
- shaft tower
- metal plates
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- 238000009413 insulation Methods 0.000 title claims abstract description 16
- 239000012212 insulator Substances 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000003365 glass fiber Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 244000080575 Oxalis tetraphylla Species 0.000 claims description 8
- 230000003449 preventive effect Effects 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000003712 anti-aging effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- 208000025274 Lightning injury Diseases 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The utility model provides a standard type tower insulation cross-arm combination applicable to an electrical network system. The standard type tower insulation cross-arm combination comprises a tower, a wave resistance lightning rod arranged on the top of the tower, standard type insulation cross-arms fixed on original positions of each layer of wood cross-arms or iron cross-arms of the tower, the length of the standard type insulation cross-arms is equal to the length of the original wood cross-arms or iron cross-arms, two ends of each layer of the standard type insulation cross-arms are provided with terminal type multifunctional wire clamps, and overhead transmission lines are fixed and maintained on the original positions of each layer of the standard type cross-arms via the wire clamps. Matrixes of the standard type insulation cross-arms are glass fiber, and are insulators formed by pulling and extrusion molding, aging resistance, and ultraviolet-proof treatment, and the terminal type multifunctional wire clamps are equipped with various structures such as wire clamping and fixation, wire breaking prevention, and effusion of a starting rod etc. The standard type tower insulation cross-arm combination is advantageous in that the line insulation level is significantly improved, flashover is prevented from being struck through by thunder and lightning, trip-out due to lightning stroke can be prevented, the tower insulation cross-arms are free from rustiness, detection and maintenance, and the operation cost of a power transmission line is greatly reduced.
Description
Technical field
The utility model relates to the standard type cross arm of tower of generally applying in a kind of network system.
Background technology
At present, all non-watertight at shaft tower wooden cross arm, the iron cross arm of power industry extensive use, often to drench with rain and easily rot or get rusty, its antiseptic fire-retardation is poor, and intensity is low, poor insulativity, and useful life is short, and installation and use cost compare is high, also needs periodic maintenance.And the insulator withstand voltage level on cross-arm is lower, therefore, the overhead transmission line insulation level being supported by this cross arm of tower and insulator is lower, dodges to attack and destroyed probability is very high under long-term thunderstorm effect with suffering.
Summary of the invention
Goal of the invention of the present utility model is: the original wooden cross arm of a kind of alternative shaft tower, iron cross arm are provided, reduce cross-arm weight, have that mechanical strength is high, non-corrosive, inspection-free survey, non-maintaining, replace again the original insulator of shaft tower, effectively improve the standard type shaft tower insulator crossarm assembly of line insulation level simultaneously.
The technical scheme that realizes the present utility model object is as follows:
Standard type shaft tower insulator crossarm assembly; comprise shaft tower, be contained in the wave resistance wall thunder pin of head of mast; it is characterized in that: also include be fixed on original each layer of wooden cross arm of shaft tower or iron cross arm position, with original wooden cross arm or iron cross arm standard type insulator crossarm equal in length; the multi-functional wire clamp of tip type is housed, by the fixing overhead transmission line making on its original position that remains on each layer of standard type cross-arm of this wire clamp at the two ends of each layer of standard type insulator crossarm.
Described standard type insulator crossarm matrix is glass fibre, is to process through pultrusion, anti-aging, antiultraviolet the insulator forming.The specified thunder and lightning withstand shock voltage of this insulator crossarm is 450kV, and rated short duration power-frequency withstand voltage is 180kV.
The multi-functional wire clamp of described tip type, refer to that installation site, at the wire clamp at standard type insulator crossarm two ends, includes: wire clamp and the combination function wire clamp thereof of end secure wires shaped cable clamp, tip penetration breaking line preventive shaped cable clamp, tip gap discharge-type wire clamp, end band valve block controlled discharge.
The utility model has the advantage of: on the position due to original cross-arm on shaft tower, removed the drench with rain iron cross arm of on-insulated wooden cross arm, easy-to-rust and the insulator of cooperation thereof, replace with measure-alike insulator crossarm and be contained in insulation horizontal two ends the multi-functional wire clamp of tip type.This standard type shaft tower insulator crossarm assembly, does not change original transmission line, but can improve significantly insulating properties, the anti-lightning level of circuit, realized shaft tower insulator crossarm non-corrosive, inspection-free survey, non-maintaining, thus greatly reduce the operation cost of transmission line.
Accompanying drawing explanation
Fig. 1 is the utility model standard type shaft tower insulator crossarm composite unit structure schematic diagram
Fig. 2 is the utility model end secure wires shaped cable clamp structural representation
Fig. 3 is the utility model Multi-functional clearance discharge-type cable clamp structure figure.
Mark in figure: 3 is wire, 4 is shaft tower, 5 is standard type insulator crossarm, and 6 is the multi-functional wire clamp of tip type, and 7 is head of mast wave resistance wall thunder pin, 11 is the securing member of standard type insulator crossarm on shaft tower, 17 is upper piece metal plates, and 18 is intermetallic metal plate, and 19 is lower metal plates, 23 is fastening screw screw bolt and nut, the 24 thread slot plates that are wire.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described:
The utility model standard type shaft tower insulator crossarm assembly; comprise shaft tower 4, be contained in the wave resistance wall thunder pin 7 at shaft tower 4 tops; be fixed on original each layer of wooden cross arm of shaft tower 4 or iron cross arm position and the standard type insulator crossarm 5 equal in length with original cross-arm; at each layer of standard type insulator crossarm 5 two ends, the multi-functional wire clamp 6 of tip type is installed; by this wire clamp 6, power transmission line is fixed on each layer of standard type insulator crossarm 5, keeps original overhead transmission line not change.
Wherein: described standard type insulation horizontal 5; except with original each layer of wooden cross arm or iron cross arm equal in length; the matrix of this cross-arm is glass fibre, is through the bonding pultrusion of macromolecule polymeric material, and carries out insulator anti-aging, that antiultraviolet is processed the excellent performance forming.The withstand voltage of this insulator crossarm: be 450kV to specified thunder and lightning withstand shock voltage, rated short duration power-frequency withstand voltage is 180kV.
The multi-functional wire clamp 6 of described tip type, refer to the wire clamp that is arranged on standard type insulator crossarm 5 two ends, include: wire clamp and the various combination function wire clamp thereof of end secure wires shaped cable clamp, tip penetration breaking line preventive shaped cable clamp, tip gap discharge-type wire clamp, end band valve block controlled discharge.The wire clamp of these kinds will be according to the actual conditions of circuit choice for use, protect insulator crossarm and power transmission line thereof by thunder and lightning, not to be punctured, prevent line tripping.
Shown in Fig. 2 is secure wires shaped cable clamp, structurally include three of upper, middle and lower metal plates 17,18,19, three metal plates, 17,18,19 two ends that merge up and down at this, be shaped with respectively penetrating bolt hole, be fitted with fastening bolt and nut 23 that fastening upper piece metal plates 17, intermetallic metal plate 18, insulator crossarm 5, lower metal plates 19 make it to synthesize one; Its merging upper, in the middle part of two metal plates 17,18, be shaped with metallic channel for fixing cord 3, in, the binding site of lower two metal plates 18,19, be shaped with perpendicular to metallic channel and be positioned at the groove that installs insulator crossarm 5 of its lower direction.
Fig. 3 has provided a kind of Multi-functional clearance electric discharge wire clamp that secure wires, puncture breaking line preventive and gap discharge function are combined into one.It structurally includes: three of upper, middle and lower metal plates 17,18,19, the two ends of three metal plates 17,18,19 that merge up and down at this, be shaped with respectively penetrating bolt hole, be fitted with fastening bolt and nut 23 that fastening upper piece metal plates 17, intermediate mass metal plates 18, insulator crossarm 5, lower metal plates 19 make it to synthesize one; Its merging upper, in the middle part of two metal plates 17,18, be shaped with the groove 20 for constant transmissions wire 3, first groove of groove 20 is positioned on a metal plates 17, second groove position of groove 20 is on intermetallic metal plate 18, on the wall of upper and lower two and half slot cavity bodies of groove 20, be fixed with the metal tines 21 that puncture wire sheath contacts with wire; The lower block of supporting plate that metal plates 19 is support shaft tower insulation horizontal smooth 5, and in these piece metal plates 19 bottoms, metal gap discharging rod 22-1 is housed, the specified thunder and lightning withstand shock voltage that this Multi-functional clearance discharge lines fixture has is 80kV, and rated short duration power-frequency withstand voltage is 200kV.
The utility model standard type shaft tower insulator crossarm assembly, meets standard GB/T 50169, power industry standard DL/T620, meets and reaches minimum withstand voltage standard 450kV, anti-effective amplitude of lightning current 350kA, the specification requirement of pole tower ground resistance 30 Ω.
Claims (5)
1. a standard type shaft tower insulator crossarm assembly; include shaft tower (4), be contained in the wave resistance wall thunder pin (7) at shaft tower (4) top; it is characterized in that: also include and be fixed on original each layer of wooden cross arm of shaft tower or iron cross arm position and the standard type insulator crossarm (5) equal in length with original cross-arm; and at each layer of standard type insulator crossarm (5) two ends, the multi-functional wire clamp of tip type (6) is housed, by this wire clamp (6), overhead transmission line is fixed and held on original position of original each layer of standard type cross-arm.
2. according to standard type shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described standard type insulator crossarm is that matrix is glass fibre, through pultrusion, anti-aging, antiultraviolet, process the insulator forming.
3. according to standard type shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: the multi-functional wire clamp of described tip type (6), refer to that installation site, at the wire clamp at standard type insulator crossarm (5) two ends, includes: wire clamp or its combination function wire clamp of end secure wires shaped cable clamp, tip penetration breaking line preventive shaped cable clamp, tip gap discharge-type wire clamp, end band valve block controlled discharge.
4. according to claim
3described standard type shaft tower insulator crossarm assembly, it is characterized in that: described combination function wire clamp, preferred Multi-functional clearance discharge-type wire clamp, it structurally includes three of upper, middle and lower metal plates (17,18,19), the two ends of three metal plates (17,18,19) that merge up and down at this, be shaped with respectively penetrating bolt hole, be fitted with fastening bolt and nut (23) that fastening upper piece metal plates (17), intermediate mass metal plates (18), insulator crossarm (5), lower metal plates (19) make it to synthesize one; Its merging upper, in the middle part of two metal plates (17,18), be shaped with the groove (20) for constant transmissions wire, first groove of groove (20) is positioned on a metal plates (17), second groove position of groove (20) is on intermetallic metal plate (18), on the wall of upper and lower two and half slot cavity bodies of groove (20), be fixed with the metal tines (21) that puncture wire sheath contacts with wire; Lower metal plates (19) is the supporting plate of support shaft tower insulation horizontal smooth (5), and in this piece metal plates (19) bottom, metal gap discharging rod (22-1) is housed, the specified thunder and lightning withstand shock voltage that this Multi-functional clearance discharge lines fixture has is 80kV, and rated short duration power-frequency withstand voltage is 200kV.
5. according to standard type shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described standard type shaft tower insulator crossarm (5), there is following technical indicator: minimum withstand voltage standard 450kV, anti-effective amplitude of lightning current 350kA, pole tower ground resistance is 30 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601658.9U CN203481748U (en) | 2013-09-28 | 2013-09-28 | Standard type tower insulation cross-arm combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601658.9U CN203481748U (en) | 2013-09-28 | 2013-09-28 | Standard type tower insulation cross-arm combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481748U true CN203481748U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601658.9U Expired - Fee Related CN203481748U (en) | 2013-09-28 | 2013-09-28 | Standard type tower insulation cross-arm combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756010A (en) * | 2020-06-30 | 2020-10-09 | 菏泽成科企业管理有限公司 | Power transmission pole |
-
2013
- 2013-09-28 CN CN201320601658.9U patent/CN203481748U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756010A (en) * | 2020-06-30 | 2020-10-09 | 菏泽成科企业管理有限公司 | Power transmission pole |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |