CN203475926U - Expanded type tower insulator crossarm assembly - Google Patents
Expanded type tower insulator crossarm assembly Download PDFInfo
- Publication number
- CN203475926U CN203475926U CN201320601660.6U CN201320601660U CN203475926U CN 203475926 U CN203475926 U CN 203475926U CN 201320601660 U CN201320601660 U CN 201320601660U CN 203475926 U CN203475926 U CN 203475926U
- Authority
- CN
- China
- Prior art keywords
- type
- shaft tower
- tower
- insulator crossarm
- insulator
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides an expanded type tower insulator crossarm assembly which comprises expanded type insulator crossarms, middle end type multifunctional cable clamps, tail end type downlead cable clamps, a cage type earthing downlead and a simple quick earthing device. The expanded type insulator crossarms are arranged at the original crossarm positions of a tower, the middle end type multifunctional cable clamps are arranged at the positions between the end portions of the insulator crossarms and the tower and used for fixing guide lines, the tail end type downlead cable clamps are arranged at the two ends of the insulator crossarms, the cage type earthing downlead is connected with a tower wave resistance lightening conductor and surrounds all the expanded type insulator crossarms of the tower and is fixed and supported by the tail end type downlead cable clamps, and the simple quick earthing device is connected with the earthing downlead. The expanded type insulator crossarms, the middle end type multifunctional cable clamps, the tail end type downlead cable clamps, the cage type earthing downlead and the simple quick earthing device together form a cage type tower lightening protection system. The expanded type tower insulator crossarm assembly has the advantage of greatly improving the lightening prevention and lightening withstand level of a distribution network tower crossarm power transmission line. The expanded type insulator crossarms replace original wood crossarms, iron crossarms and insulators on the tower, lowers crossarm weight and tower loads, enhances strength, and prolongs the service life. The expanded type insulator crossarms are made of glass fiber substrates, rusting can not happen, detection and maintaining are avoided, and the operation cost of a power grid is lowered.
Description
Technical field
The utility model relates to a kind of cross arm of tower assembly of applying in network system.
Background technology
In power industry, shaft tower wooden cross arm, the iron cross arm of extensive use is non-watertight at present, is often drenched with rain and easily rots or get rusty, and its antiseptic fire-retardation is poor, and intensity is low, insulation is poor, and application life is short, and installation and use cost compare is high, needs periodic maintenance.And the insulator withstand voltage level on cross-arm is lower, therefore, the overhead wire dielectric level being supported by this cross arm of tower and insulator is lower, dodges destroyed probability very high under long-term thunderstorm effect with suffering.
Summary of the invention
Goal of the invention of the present utility model is: a kind of extended pattern shaft tower insulator crossarm assembly is provided, extended pattern insulator crossarm in this assembly, substituted original wooden cross arm on tower bar, iron dust cross-arm and insulator, the tower bar load that alleviated cross-arm weight reducing, strengthened intensity and improved application life
;extended pattern insulator crossarm used is glass fiber matrix, non-corrosive, can realize inspection-free survey, non-maintaining, and because matrix is glass fiber, cross-arm has excellent insulating properties, can effectively improve line insulation level
;meanwhile, the surrounding in this shaft tower insulator crossarm end, sets up the down conductor that connects wave resistance lightning rod, and is embedded in the underground simple and fast ground device of tower bar, has jointly built the respond well cage shaft tower lightning protection system of the resistance to thunderbolt of thunder-lightning.
Realize goal of the invention of the present utility model, must implement following technical proposals:
Extended pattern 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: also include and be fixed on original each layer of wooden cross arm of shaft tower or the locational extended pattern insulator crossarm of iron dust cross-arm, the length of this insulator crossarm is at least 2 times of original cross-arm length, on every layer of extended pattern insulator crossarm, the multi-functional wire clamp of middle-end type of position between its end and shaft tower is housed, and be positioned at the wire clamp that goes between under the tip type at cross-arm two ends, power line is fixed on the multi-functional wire clamp of middle-end type of each layer of extended pattern insulator crossarm, the top line two ends of cage down conductor, by two metallic support rod, be connected with the wave resistance lightning rod on shaft tower, the downlink at top line two ends is descending along the two ends of each layer of extended pattern insulator crossarm, by the wire clamp that goes between under the tip type on each layer of insulator crossarm end, fixed, support, two lead-in wires of lower lead-in wire bottom converge the bottom that being aligned is fixed on shaft tower, with be embedded in the underground simple and fast ground device of shaft tower and be connected, form cage shaft tower lightning protection system.
Described extended pattern insulator crossarm is that length is at least that 2 times of original cross-arm above, to substitute original cross-arms be glass fiber to the support function of wire, matrix through pultrusion, anti-aging, antiultraviolet, processes the isolator forming.
The multi-functional wire clamp of middle-end type on described extended pattern insulator crossarm, it is the exclusive novel wire clamp of Novel distribution network lightning-protection system, for distribution cage down conductor device designs, because distribution cage down conductor need be fixed on insulator crossarm end with the insulation distance of maintenance and wire, this can cause the installation site of wire and former cross-arm upper conductor installation site to change, wire is not arranged on cross-arm end for this reason, and is mounted in the position between extended pattern insulator crossarm end and shaft tower.
Be equipped with cable guide under the multi-functional wire clamp of middle-end type and tip type, 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.
The described underground simple and easy ground device of shaft tower that is embedded in, adopts copper-clad rod iron, copper-clad steel bar ring, by terrain environment proportioning, layering combination, whole connection, forms cage ground device.
The concrete structure of 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, by layering like this, combine, the cage frame construction that integral body 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 in cage framework.
The utility model effectively technical measures principle of the resistance to thunder protection of lightning protection power line safe operation is:
1. owing to having built the cage down conductor net that surrounds each layer of extended pattern insulator crossarm on distribution shaft tower; this circle cage down conductor net has formed a radome that thunder-lightning attacks, and the extended pattern insulator crossarm in protection grounding down lead net and power line thereof exempt from thunder and lightning and attack.Because once the wave resistance lightning rod on shaft tower is struck by lightning or cage down conductor on be struck by lightning, impact lightning current not by the direct ground connection of shaft tower, but enter simple and fast ground device along cage down conductor, leak into fast the earth, can not produce damage to the extended pattern insulator crossarm in gauze and power line thereof.
2. in the cage shaft tower lightning protection system that the utility model forms, with the supporting simple and fast ground device of cage down conductor, the quick earial drainage of lightning current is 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, whole connection, formed cage metal framework, the surrounding of framework and bottom all equal portion water conservancy diversion hammer drill and the earth close contact, and 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, and its conductance is low is only a kind of hidden danger of net work security for 8.6% discharge capacity of fine copper is poor.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 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 extended pattern insulator crossarm on shaft tower, wire clamp goes between under the multi-functional wire clamp of middle-end type coordinating with described insulator crossarm and tip type, be connected, surround the cage down conductor of all extended pattern insulator crossarms of shaft tower and the simple and fast ground device being connected with down conductor with shaft tower wave resistance lightning rod, the cage shaft tower lightning protection system of jointly setting up, has improved the lightning protection lightning withstand level of distribution cross arm of tower power line greatly.2. use extended pattern insulator crossarm, substitute original wooden cross arm, iron cross arm and insulator on tower bar, the tower bar load that alleviated cross-arm weight reducing, strengthened intensity and improved its application life.3. extended pattern used insulation is horizontal 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 utility model extended pattern shaft tower insulator crossarm composite unit structure schematic diagram
Fig. 2 is the structural representation of selecting the secure wires shaped cable clamp in 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, 5-1 is extended pattern insulator crossarm, 6-1 is the multi-functional wire clamp of middle-end type, 6-2 is the wire clamp that goes between under tip type, 7 is wave resistance lightning rod, 8 is simple and fast ground device, 9 is cage down conductor top line two ends and metallic support rod that on shaft tower, wave resistance lightning rod is connected, 10-1 is cage down conductor, 11 is extended pattern insulator crossarm fixture, 12 is copper-clad steel bar annular ground connection circle, and 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.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described.
As shown in Figure 1: the utility model extended pattern shaft tower insulator crossarm assembly, comprise shaft tower 4, be contained in the wave resistance lightning rod 7 at shaft tower 4 tops, by fixture 11, extended pattern insulator crossarm 5-1 is fixed on the position of shaft tower 4 original each layer of cross-arm, the length of this insulator crossarm 5-1 is at least 2 times of original cross-arm length, on every layer of extended pattern insulator crossarm 5-1, the multi-functional wire clamp 6-1 of middle-end type that is positioned at insulator crossarm end and shaft tower 4 centre positions is installed, and be positioned at the wire clamp 6-2 that goes between under the tip type at insulator crossarm two ends, power line is fixed on the multi-functional wire clamp 6-1 of middle-end type of each layer of insulator crossarm 5-1, the top line two ends of cage down conductor 10-1, by two metallic support rod 9, be connected with the wave resistance lightning rod 7 on shaft tower 4, the downlink at described down conductor 10-1 top line two ends, descending along each layer of insulator crossarm 5-1 two ends, and fixed by the wire clamp 6-2 that goes between under the tip type on each layer of insulator crossarm end, support, two lead-in wires of 10-1 bottom of going between under cage ground connection converge the bottom that being aligned is fixed on shaft tower 4, with be embedded in the underground simple and fast ground device 8 of shaft tower and be connected, formed whole cage shaft tower lightning protection system.
Described extended pattern insulator crossarm 5-1, be length be 2 times of original cross-arm length above, matrixes be glass fiber, by the bonding pultrusion of macromolecule polymeric material, the isolator that anti-aging, antiultraviolet is processed the excellent performance forming.
The wire clamp 6-2 that goes between under the multi-functional wire clamp 6-1 of the described middle-end type being equipped with on extended pattern insulator crossarm 5-1 and tip type, can be selected 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 type according to concrete condition.
As an example:
The multi-functional wire clamp 6-1 of selected middle-end type is the secure wires shaped cable clamp shown in Fig. 2;
The wire clamp 6-2 that goes between under selected tip type, the Multi-functional clearance discharge-type wire clamp being integrated for the set secure wires shown in Fig. 3, puncture breaking line preventive and gap discharge type.
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 in this merging, be shaped with respectively penetrating bolt hole, be fitted with the fastening screw screw bolt and nut 23 that fastening upper piece metal plates 17, intermetallic metal plate 18, insulator crossarm 5-1, 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 5-1 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 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 the fastening screw screw bolt and nut 23 that fastening upper piece metal plates 17, intermediate mass metal plates 18, insulator crossarm 5-1, 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, the upper portion of groove 20 is on upper metal plates 17, the lower portion of groove 20 is on intermetallic metal plate 18, on the wall of upper and lower two and half slot cavity bodies of groove, be fixed with the metal tines 21 that puncture wire sheath contacts with wire; And the lower block of supporting plate that metal plates 19 is the horizontal smooth 5-1 of support shaft tower insulation, and in these piece metal plates 19 bottoms, metal gap discharging rod 22-1 is housed.
The described underground simple and fast ground device 8 of shaft tower 4 that is embedded in, adopts copper-clad rod iron, copper-clad steel bar ring, by terrain environment proportioning, layering combination, whole connection, formation cage ground device, its structure as shown in Figure 4:
This simple and fast ground device, include: multilayer is equidistant, horizontal positioned, by copper covered steel annular ground connection circle 12, 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 the joint portion that is fixed on 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, by layering like this, combine, integral body 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, filling soil and water-holding slow-release agent in cage framework.
This extended pattern shaft tower insulator crossarm assembly, when mounted, need to remove original wooden cross arm, iron cross arm and insulator on shaft tower 4, extended pattern insulator crossarm 5-1 is arranged on the position of original each layer of cross-arm, then line conductor is fixed on the multi-functional wire clamp 6-1 of middle-end type of insulator crossarm 5-1, cage down conductor 10-1 is fixed on to the wire clamp 6-2 that goes between under the tip type of this cross arm end upper, then cage down conductor 10-1 is connected with simple and fast ground device 8.
Claims (4)
1. extended pattern shaft tower insulator crossarm assembly, comprise shaft tower (4), be contained in the wave resistance lightning rod (7) at shaft tower (4) top, it is characterized in that: also include replacement and be fixed on original each layer of wooden cross arm of shaft tower (4) or the locational extended pattern insulator crossarm of iron cross arm (5-1), the length of this insulator crossarm (5-1) is at least 2 times of original cross-arm length, on every layer of extended pattern insulator crossarm (5-1), the multi-functional wire clamp of middle-end type (6-1) that is positioned at medium position between cross-arm (5-1) end and shaft tower (4) is housed, and be positioned at the wire clamp (6-2) that goes between under the tip type at cross-arm (5-1) two ends, power line is fixed on the multi-functional wire clamp of middle-end type (6-1) of each layer of insulator crossarm (5-1), the top line two ends of cage down conductor (10-1), by two metallic support rod (9), be connected with the wave resistance lightning rod (7) on shaft tower (4), the downlink at described top line two ends is descending along each insulator crossarm (5-1) two ends, and the wire clamp (6-2) that gone between under the tip type on each layer of insulator crossarm (5-1) end is fixing, support, two lead-in wires under cage ground connection bottom lead-in wire (10-1) converge being aligned and are fixed on the bottom of shaft tower (4), with be embedded in the underground simple and fast ground device of shaft tower (8) and be connected, form cage shaft tower lightning protection system.
2. according to extended pattern shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described extended pattern insulator crossarm (5-1) is that matrix is glass fiber, through pultrusion, anti-aging, antiultraviolet, processes the isolator forming.
3. according to extended pattern shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: the described wire clamp (6-2) that goes between under the upper multi-functional wire clamp of middle-end type (6-1) being equipped with of extended pattern insulator crossarm (5-1) and tip type, 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.
4. according to extended pattern shaft tower insulator crossarm assembly claimed in claim 1, it is characterized in that: described simple and fast ground device, 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 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 like this, combine, the cage frame construction that integral body is connected into, the even cloth in its surrounding and bottom the copper covered steel ground connection hammer drill with the earth close contact, filling soil and water-holding slow-release agent in cage framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601660.6U CN203475926U (en) | 2013-09-28 | 2013-09-28 | Expanded type tower insulator crossarm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601660.6U CN203475926U (en) | 2013-09-28 | 2013-09-28 | Expanded type tower insulator crossarm assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203475926U true CN203475926U (en) | 2014-03-12 |
Family
ID=50224280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601660.6U Expired - Fee Related CN203475926U (en) | 2013-09-28 | 2013-09-28 | Expanded type tower insulator crossarm assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203475926U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835566A (en) * | 2014-04-01 | 2014-06-04 | 国家电网公司 | Expansible multi-loop inlet wire door type pole tower |
| CN105305106A (en) * | 2015-11-13 | 2016-02-03 | 国网新疆电力公司阿勒泰供电公司 | Anti-theft grounding electrode for ground wire, and telegraph pole |
| CN105317261A (en) * | 2015-10-21 | 2016-02-10 | 常州市武进牛塘红星制刷厂 | Waterproof anti-collision utility pole |
| CN105781207A (en) * | 2014-04-01 | 2016-07-20 | 国网山东省电力公司莱芜供电公司 | Multi-loop gate type line incoming pole tower |
-
2013
- 2013-09-28 CN CN201320601660.6U patent/CN203475926U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835566A (en) * | 2014-04-01 | 2014-06-04 | 国家电网公司 | Expansible multi-loop inlet wire door type pole tower |
| CN103835566B (en) * | 2014-04-01 | 2016-05-11 | 国家电网公司 | Can expand multiloop inlet wire H-frame pole tower |
| CN105781207A (en) * | 2014-04-01 | 2016-07-20 | 国网山东省电力公司莱芜供电公司 | Multi-loop gate type line incoming pole tower |
| CN105781207B (en) * | 2014-04-01 | 2017-11-03 | 国网山东省电力公司莱芜供电公司 | A kind of multiloop inlet wire gate shaft tower |
| CN105317261A (en) * | 2015-10-21 | 2016-02-10 | 常州市武进牛塘红星制刷厂 | Waterproof anti-collision utility pole |
| CN105305106A (en) * | 2015-11-13 | 2016-02-03 | 国网新疆电力公司阿勒泰供电公司 | Anti-theft grounding electrode for ground wire, and telegraph pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203475926U (en) | Expanded type tower insulator crossarm assembly | |
| CN101834424B (en) | Method for mounting overhead ground wire on horizontally-arranged 10KV insulated wire lines and lightning arrester support | |
| CN104518475A (en) | Distribution network integrated lightning protection system | |
| CN101672124B (en) | Compound material pole tower | |
| CN111244629A (en) | Lightning protection grounding method of shared iron tower | |
| CN102983420A (en) | Grounding device for reducing shock ground impedance of electric transmission line tower | |
| CN201256276Y (en) | Overhead transmission line surround thunder-proof lightning arrester | |
| CN206313414U (en) | Power transmission line wind side spin tower based on flexible composite | |
| CN103311811B (en) | Halo-free lightning rod | |
| CN105155907A (en) | Strain tower | |
| CN203626367U (en) | Unilateral-extending-type pole tower insulating cross arm combination | |
| CN103928900B (en) | Lightning conducter lightning protection electric eliminating holds grounding device | |
| WO2011029312A1 (en) | Method for vertically grounding and leading-down from center of composite material pole tower and pole tower thereof | |
| CN103812010A (en) | Two-stage series gap lightning flashover protector with discharge counter | |
| CN105041028A (en) | Wind-drift-resistant insulator mounting device for jumper wire in angle-steel tower of power transmission line | |
| CN106711905A (en) | Power transmission line anti-windage yaw pole based on flexible composite material and construction method thereof | |
| CN202840449U (en) | Tower shunt wire drawing and copper grounding structure | |
| CN202076058U (en) | Straight-line tower lightning protection device with 35-kilovolt circuit | |
| CN108123410B (en) | Ground wire safe backup suspension hardware string | |
| CN203166445U (en) | Device using coupling ground line to reduce lightning trip-out rate of transmission line | |
| CN112018696A (en) | 10kV insulated conductor line trip protection method | |
| CN203481748U (en) | Standard type tower insulation cross-arm combination | |
| CN109473936A (en) | The mounting structure and installation method of ground wire are protected on a kind of terminal pole | |
| CN2796160Y (en) | Overvoltage protective earthing device for insulation conductor deep leading into earth | |
| CN204793977U (en) | Can hang strain insulator pole of overhead ground wire |
Legal Events
| 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 Termination date: 20190928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |