CN203626367U - Unilateral-extending-type pole tower insulating cross arm combination - Google Patents
Unilateral-extending-type pole tower insulating cross arm combination Download PDFInfo
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- CN203626367U CN203626367U CN201320601657.4U CN201320601657U CN203626367U CN 203626367 U CN203626367 U CN 203626367U CN 201320601657 U CN201320601657 U CN 201320601657U CN 203626367 U CN203626367 U CN 203626367U
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- wire clamp
- shaft tower
- insulator crossarm
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Abstract
The utility model discloses a unilateral-extending-type pole tower insulating cross arm combination which comprises a pole tower and a wave resistance lightning rod at the top of the pole tower. Two unilateral-extending-type insulating cross arms identical in specification and perpendicular to a pole body are fixed on the pole tower, the pole body divides each unilateral-extending-type insulating cross arm into a short section and a long section, tail-end-type multifunctional wire clamps are mounted on end portions of the two short sections, tail-end-type lower downlead clamps are mounted on end portions of the two long sections, a middle-end-type multifunctional wire clamp is mounted in the middle of the lower long section, a three-phase power transmission line is fixed by the tail-end-type multifunctional wire lamps on the end portions of the two short sections and the middle-end-type multifunctional wire clamp in the middle of the lower long section, and the top end of a half-cage-type grounding downlead is connected with the wave resistance lightning rod at the top of the pole tower, descends to be fixed on the end portions of the two long sections through the tail-end-type downlead clamps, descends to be fixed on the lower portion of the pole tower and is communicated with an underground simple and quick grounding device to form a half-cage-type pole tower lightning protection system suitable for road conditions in mountain regions. The unilateral-extending-type pole tower insulating cross arm combination has good lightning prevention and resisting capability to the power transmission line, freeness of detection and maintenance of the pole tower cross arms is realized, and power grid operating cost is lowered.
Description
Technical field
The utility model relates to a kind of cross arm of tower assembly of applying in network system, definitely says the monolateral extended shaft tower insulator crossarm assembly that is applicable to mountain region road conditions.
Background technology
In the long Distance Transmission mileage of overhead transmission line, leap has the terrain of various variations, particularly meeting in the road conditions situation of mountain region, owing to being limited by the limitation of road traffic road conditions, can not set up standard type cross arm of tower assembly, therefore combining road condition, develops monolateral extended shaft tower insulator crossarm assembly, just becomes objective demand.
Summary of the invention
Goal of the invention of the present utility model is: for grid power transmission system provides a kind of mountain region road conditions needs, lightning-arrest respond well monolateral extended shaft tower insulator crossarm assembly of lightning protection of being suitable for.
Realize goal of the invention of the present utility model, adopt following technical proposals:
A kind of monolateral extended shaft tower insulator crossarm assembly, include shaft tower, be contained in the wave resistance lightning rod of head of mast, it is characterized in that: on shaft tower, be fixed with equal in length, be parallel to each other, upper and lower end parts alignment, with perpendicular two the monolateral extended insulator crossarms of the shaft of shaft tower, the shaft of shaft tower is divided into short section by described two insulator crossarms and divides with long section part, two short section of insulator crossarm ends, the multi-functional wire clamp of tip type is housed, the wire clamp that goes between under tip type is housed two long section of insulator crossarm ends, the multi-functional wire clamp of middle-end type is equipped with at a long section of insulator crossarm middle part below, three phase transmission line is respectively by the multi-functional wire clamp of tip type of two short section of insulator crossarm ends, and the middle-end type multifunctional thread at long section of insulator crossarm middle part below to clamp position fixing, half of cage down conductor top connects the wave resistance lightning rod on shaft tower, the descending end that is fixed in two long section of insulator crossarms by the wire clamp that goes between under tip type, again on the descending shaft tower shaft that is fixed on bottom, be communicated with underground simple and fast ground device, composition is suitable for the half of cage shaft tower lightning protection system of mountain region road conditions.
The described monolateral extended insulator crossarm being fixed on shaft tower, the shaft of shaft tower be divided into short section with long section two parts, short section of part accounts for 1/3 of total length, long section part divides and accounts for 2/3; This insulator crossarm matrix is glass fiber, is through pultrusion, the isolator that anti-aging, antiultraviolet processing forms.
The described multi-functional wire clamp of tip type that is contained in short section of end of insulator crossarm, be contained in the multi-functional wire clamp of middle-end type at a long section of insulator crossarm middle part below and be contained in the wire clamp that goes between under the tip type of end of long section insulator crossarm, can in the wire clamp of secure wires shaped cable clamp, puncture breaking line preventive shaped cable clamp, tip gap discharge-type wire clamp, end band valve block controlled discharge and combination function wire clamp thereof, select.
Described simple and fast ground device, include multilayer equidistant, the copper covered steel annular ground connection circle of horizontal positioned, many are fixed on each layer of copper covered steel annular ground connection circle, the vertical longitudinal ground connection hammer drill of copper covered steel down of the body of rod, and be fixed on copper covered steel annular ground connection circle and the longitudinal ground connection hammer drill of copper covered steel joint portion, the horizontal ground connection hammer drill of body of rod copper covered steel horizontally outward, combine by layering like this, entirety is connected into cage frame construction, the even cloth in its surrounding and bottom the copper covered steel ground connection hammer drill with the earth close contact, the soil of filling in cage framework and water-holding slow-release agent.
The utility model effectively principle of the resistance to thunder protection of lightning protection power line safe operation is:
1. owing to having built half of cage down conductor net on distribution shaft tower, long section insulator crossarm has been formed to the radome that half of thunder-lightning attacks, in guard shield cover, circuit exempts from thunder and lightning attack.And short section of part of Without Shielding Cover insulator crossarm is placed in the orientation that thunderbolt probability is little.Once the wave resistance lightning rod on shaft tower is struck by lightning or half of cage down conductor is struck by lightning, impact lightning current not by shaft tower, leak into fast the earth but enter simple and fast ground device along half of cage down conductor.
2. in the half of cage shaft tower lightning protection system of the utility model composition, with the supporting simple and fast ground device of half of cage down conductor, the quick earial drainage of lightning current is also played an important role.Because simple and fast ground device is by copper covered steel annular ground connection circle and the longitudinal ground connection hammer drill of copper covered steel, by layering combine, entirety connect, form cage metal framework, the surrounding of framework and bottom all equal portion water conservancy diversion hammer drill and the earth close contact, the soil of filling in cage framework and water-holding slow-release agent, the quick shunting that is conducive to lightning current leaks into the earth.
3. existing distribution shaft tower underground grounding devices generally adopts galvanized steel, its conductance is low be only 8,6% discharge capacities of fine copper poor be also a kind of hidden danger of net work security.Simple and fast ground device of the present utility model, adopting conductance is the copper covered steel of 4.6 times of galvanized steels, has greatly improved the relieving capacity of impact lightning current, coordinates with half of cage down conductor the safe operation of effectively having protected transmission line of electricity.
Outstanding advantages of the present utility model is: 1. by being arranged on the monolateral extended insulator crossarm on shaft tower, wire clamp goes between under the multi-functional wire clamp of tip type, the multi-functional wire clamp of middle-end type and the tip type coordinating with described insulator crossarm, be connected, surround shaft tower long section part with shaft tower wave resistance lightning rod and divide the half of cage down conductor of insulator crossarm and the simple and fast ground device being connected with down conductor, the half of cage shaft tower lightning protection system of jointly setting up, has improved the lightning protection lightning withstand level of cross arm of tower power line.
2. use monolateral extended insulator crossarm, substitute original wooden cross arm on tower bar, metal cross arm and insulator, the tower bar load that alleviated cross-arm weight reducing, strengthened intensity and improved application life.3. monolateral extended insulator crossarm used is glass fiber matrix, non-corrosive, can realize inspection-free survey, non-maintaining, has reduced the operation cost of electrical network.
Accompanying drawing explanation
Fig. 1 is the monolateral extended shaft tower of the utility model insulator crossarm composite unit structure schematic diagram
Fig. 2 is the structural representation of selecting the secure wires shaped cable clamp in end and the multi-functional wire clamp of middle-end type
Fig. 3 is fastening in the wire clamp that goes between under tip type for selecting, puncture and gap discharge shaped cable clamp structural representation
Fig. 4 is simple and fast ground device structural representation.
Mark in figure: 4 is shaft tower, 5-2 is monolateral extended insulator crossarm, and 6-3 is the multi-functional wire clamp of tip type, and 6-4 is the multi-functional wire clamp of middle-end type, 6-5 is the wire clamp that goes between under tip type, 7 is wave resistance lightning rod, and 8 is simple and fast ground device, and 10-2 is half of cage down conductor, 12 is copper covered steel annular ground connection circle, 13 is the longitudinal ground connection hammer drill of copper covered steel, and 14 is the horizontal ground connection hammer drill of copper covered steel, 15 soil and water-holding slow-release agent for filling.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described.
As shown in Figure 1: monolateral extended shaft tower insulator crossarm assembly, include shaft tower 4, be contained in the wave resistance lightning rod 7 at shaft tower 4 tops, on shaft tower 4, be fixed with equal in length, be parallel to each other, upper and lower end parts alignment, with perpendicular two the monolateral extended insulator crossarm 5-2 of the shaft of shaft tower, the shaft of shaft tower is divided into short section by described two insulator crossarm 5-2 and divides with long section part, two short section insulator crossarm 5-2 end, the multi-functional wire clamp 6-3 of tip type is housed, the wire clamp 6-5 that goes between under tip type is housed two long section insulator crossarm 5-2 end, the multi-functional wire clamp 6-4 of middle-end type is equipped with at a long section of insulator crossarm 5-2 middle part below, three phase transmission line is respectively by the multi-functional wire clamp 6-3 of tip type of two short section insulator crossarm 5-2 end, and the multi-functional wire clamp 6-4 of the middle-end type location at a long section of insulator crossarm 5-2 middle part is fixed below, half of cage down conductor 10-2 top connects the wave resistance lightning rod 7 on shaft tower 4, the descending end that is fixed in two long section of insulator crossarm 5-2 by the wire clamp 6-5 that goes between under tip type, again on descending shaft tower 4 shafts that are fixed on bottom, be communicated with underground simple and fast ground device 8, composition is suitable for the half of cage shaft tower lightning protection system of mountain region road conditions.
The described monolateral extended insulator crossarm 5-2 being fixed on shaft tower 4, the shaft of shaft tower 4 be divided into short section with long section two parts, short section of part accounts for 1/3 of total length, long section part divides and accounts for 2/3; This insulator crossarm 5-2 be matrix be glass fiber, through pultrusion, the isolator that anti-aging, antiultraviolet processing forms.
The multi-functional wire clamp 6-4 of middle-end type at the described multi-functional wire clamp 6-3 of tip type that is contained in short section of end of monolateral extended insulator crossarm 5-2, dress long section insulator crossarm 5-2 middle part in its lower section and be contained in the wire clamp 6-5 that goes between under the tip type of end of long section insulator crossarm 5-2 can select in the wire clamp of secure wires shaped cable clamp, puncture breaking line preventive shaped cable clamp, tip gap discharge-type wire clamp, end band valve block controlled discharge or its combination function wire clamp.
Described simple and fast ground device 8, include multilayer equidistant, the copper covered steel annular ground connection circle 12 of horizontal positioned, many are fixed on each layer of copper covered steel annular ground connection circle 12, the vertical longitudinal ground connection hammer drill 13 of copper covered steel down of the body of rod, and be fixed on the joint portion of copper covered steel annular ground connection circle 12 and the longitudinal ground connection hammer drill 13 of copper covered steel, the horizontal ground connection hammer drill 14 of body of rod copper covered steel horizontally outward, combine by layering like this, the cage frame construction that entirety is connected into, the even cloth in its surrounding and bottom the copper covered steel ground connection hammer drill with the earth close contact, and soil and the water-holding slow-release agent 15 of filling at cage framework.
As an example:
The multi-functional wire clamp 6-3 of selected tip type is the secure wires shaped cable clamp shown in Fig. 2;
The multi-functional wire clamp 6-4 of selected middle-end type is the secure wires shaped cable clamp shown in Fig. 2.
Secure wires shaped cable clamp shown in Fig. 2, 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 upper piece metal plates 17, intermetallic metal plate 18, insulator crossarm 5-2, lower metal plates 19 and make it to synthesize fastening bolt and the nut 23 of 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 5-2 of its lower direction.
Fig. 3 has provided the Multi-functional clearance discharge-type wire clamp that secure wires, puncture breaking line preventive and gap discharge function are integrated in one.It structurally includes three of upper, middle and lower metal plates 17,18,19, at the two ends of three metal plates 17,18,19 of this merging, be shaped with respectively penetrating bolt hole, be fitted with fastening upper piece metal plates 17, intermediate mass metal plates 18, insulator crossarm 5-2, lower metal plates 19 and make it to synthesize the fastening screw screw bolt and nut 23 of 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 directly contacts with wire; And the lower block of supporting plate that metal plates 19 is the horizontal smooth 5-2 of support shaft tower insulation, and in these piece metal plates 19 bottoms, metal gap discharging rod 22-1 is housed.
Fig. 4 has provided the structure that is embedded in the simple and easy ground device 8 of shaft tower 1 underground, adopts copper-clad rod iron, copper-clad steel bar ring, and by terrain environment proportioning, layering combination, entirety connect, the cage ground device of formation.It includes, and multilayer is equidistant, the copper covered steel of horizontal positioned annular ground connection circle 12, many be fixed on each layer of copper covered steel annular ground connection circle 12, the vertically longitudinal ground connection hammer drill 13 of copper covered steel down of the body of rod, and be fixed on the horizontal ground connection hammer drill 14 of joint portion, body of rod copper covered steel horizontally outward of copper covered steel annular ground connection circle 12 and the longitudinal ground connection hammer drill 13 of copper covered steel, the cage frame construction being connected into by layering combination like this, entirety, the even cloth in its surrounding and bottom the copper covered steel ground connection hammer drill with the earth close contact, and soil and the water-holding slow-release agent 15 of filling at cage framework.
Claims (4)
1. monolateral extended shaft tower insulator crossarm assembly, include shaft tower (4), be contained in the wave resistance lightning rod (7) at shaft tower (4) top, it is characterized in that: on shaft tower (4), be fixed with equal in length, be parallel to each other, upper and lower end parts alignment, with perpendicular two the monolateral extended insulator crossarms (5-2) of the shaft of shaft tower (4), the shaft of shaft tower is all divided into short section by described two insulator crossarms (5-2) and divides with long section part, in two short section insulator crossarm (5-2) end, the multi-functional wire clamp of tip type (6-3) is housed, the wire clamp (6-5) that goes between under tip type is housed in two long section insulator crossarm (5-2) end, the multi-functional wire clamp of middle-end type (6-4) is equipped with at one long section insulator crossarm (5-2) middle part below, three phase transmission line is respectively by the multi-functional wire clamp of tip type (6-3) of two short section insulator crossarm (5-2) end, and the multi-functional wire clamp of middle-end type (6-4) location at one long section insulator crossarm (5-2) middle part is fixed below, half of cage down conductor (10-2) top connects the wave resistance lightning rod (7) on shaft tower (4), the descending end that is fixed in two long section insulator crossarm (5-2) by the wire clamp that goes between under tip type (6-5), again on descending shaft tower (4) shaft that is fixed on bottom, be communicated with underground simple and easy fast ground device (8), composition is suitable for half cage shaft tower lightning protection system of mountain region road conditions.
2. according to monolateral extended shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described in be fixed on the monolateral extended insulator crossarm (5-2) on shaft tower (4), the shaft of shaft tower is divided into short section and long section two parts, short section of part accounts for 1/3 of total length, and long section part divides and accounts for 2/3; And insulator crossarm (5-2) matrix is glass fiber, be through pultrusion, the isolator that anti-aging, antiultraviolet processing forms.
3. according to monolateral extended shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described in be contained in the multi-functional wire clamp of tip type (6-3) of short section of end of monolateral extended insulator crossarm (5-2), be contained in the multi-functional wire clamp of middle-end type (6-4) at one long section insulator crossarm (5-2) middle part below, and be contained in the wire clamp (6-5) that goes between under the tip type of long section insulator crossarm (5-2) end, can be at secure wires shaped cable clamp, puncture breaking line preventive shaped cable clamp, tip gap discharge-type wire clamp, in the wire clamp of end band valve block controlled discharge and combination function wire clamp thereof, select.
4. according to monolateral extended shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described simple and fast ground device (8), include multilayer equidistantly, the copper covered steel annular ground connection circle (12) of horizontal positioned, many be fixed on that each layer of copper covered steel annular ground connection circle (12) is upper, the vertically longitudinal ground connection hammer drill of copper covered steel (13) down of the body of rod, and be fixed on copper covered steel annular ground connection circle (12) and the longitudinal ground connection hammer drill of copper covered steel (13) joint portion, the horizontal ground connection hammer drill of body of rod copper covered steel horizontally outward (14)
by layering combine,the half of cage frame construction that entirety is connected into, the even cloth in its surrounding and bottom the copper covered steel ground connection hammer drill with the earth close contact, and filling soil and water-holding slow-release agent (15) in cage framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601657.4U CN203626367U (en) | 2013-09-28 | 2013-09-28 | Unilateral-extending-type pole tower insulating cross arm combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601657.4U CN203626367U (en) | 2013-09-28 | 2013-09-28 | Unilateral-extending-type pole tower insulating cross arm combination |
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| Publication Number | Publication Date |
|---|---|
| CN203626367U true CN203626367U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601657.4U Expired - Fee Related CN203626367U (en) | 2013-09-28 | 2013-09-28 | Unilateral-extending-type pole tower insulating cross arm combination |
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| CN (1) | CN203626367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154296A (en) * | 2016-03-02 | 2017-09-12 | 国网辽宁省电力有限公司鞍山供电公司 | The antifouling composite insulation cross arms of 10kV |
-
2013
- 2013-09-28 CN CN201320601657.4U patent/CN203626367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154296A (en) * | 2016-03-02 | 2017-09-12 | 国网辽宁省电力有限公司鞍山供电公司 | The antifouling composite insulation cross arms of 10kV |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20190928 |