CN204590741U - Abnormity single loop transposition tower - Google Patents
Abnormity single loop transposition tower Download PDFInfo
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- CN204590741U CN204590741U CN201520031552.9U CN201520031552U CN204590741U CN 204590741 U CN204590741 U CN 204590741U CN 201520031552 U CN201520031552 U CN 201520031552U CN 204590741 U CN204590741 U CN 204590741U
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Abstract
The special-shaped single loop transposition tower that the utility model provides, comprise tower body, wire cross-arm, earth wire support, transposition wire jumper support and jumper wire rack, tower body is vertically arranged on the ground, wire cross-arm is erected at the top of tower body, two earth wire supports are erected on wire cross-arm, one end of earth wire support is connected with wire cross-arm, the other end of earth wire support is free end, the two ends of transposition wire jumper support are connected with the free end between two earth wire supports respectively, jumper wire rack level frame is located on transposition wire jumper support, jumper wire rack direction is in the horizontal plane vertical with transposition wire jumper support direction in the horizontal plane.Meet the needs of electric clearance and the phase sequence in trolley line also can be changed, reduce three-phase load unbalance phenomenon, decrease the loss of electric energy at circuit, and the transposition tower of this particular design achieves the transposition of phase arbitrarily in electric power transport, and construction is more prone to, construction is simple.
Description
Technical field
The utility model relates to electric power conveying equipment field, in particular to the special-shaped single loop transposition tower of one.
Background technology
In mountain area, in electric power long transmission line course of conveying, the long line in single telegram in reply road there will be three-phase load unbalance phenomenon when transporting, to directly increase the loss of electric energy at circuit, out-of-balance current and unbalance voltage is produced for reducing when power system normally runs, reduce the phenomenon of three-phase load unbalance, when line length is more than 100km, the wire of tackling single telegram in reply road replaces, wire is needed to carry out transposition wire jumper by transposition tower, transposition tower is transmitted electricity different with single time anchor support from routine, construction cost is higher, and the Traverse phase-order after wire jumper connects does not change, just wire is directly intersected, effect is slowed down to three-phase imbalance phenomenon less, and the spacing of the wire directly intersected is less, do not meet the needs of electric clearance, likely cause electric power accident.
Utility model content
In view of this, the utility model provides a kind of special-shaped single loop transposition tower, to improve the problems referred to above.
The special-shaped single loop transposition tower that the utility model provides comprises tower body, wire cross-arm, earth wire support, transposition wire jumper support and jumper wire rack, described tower body is vertically arranged on the ground, described wire cross-arm, described earth wire support and described transposition wire jumper support are all positioned at same vertical levels face, described wire cross-arm is erected at the top of described tower body, two earth wire supports are erected on described wire cross-arm, one end of described earth wire support is connected with described wire cross-arm, the other end of described earth wire support is free end, between two described earth wire supports, there is certain angle, the two ends of described transposition wire jumper support are connected with the free end between two described earth wire supports respectively, described jumper wire rack level frame is located on described transposition wire jumper support, described jumper wire rack direction is in the horizontal plane vertical with described transposition wire jumper support direction in the horizontal plane.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises insulator and conductor rod, and described conductor rod is parallel with described jumper wire rack and be positioned at same vertical plane, and the two ends of described jumper wire rack are connected with described conductor rod by described insulator.Wherein, insulator is made up of glass or pottery usually, is formed by stacking by the isolator of multiple plate-like, plays two basic roles in circuit, i.e. support wire and prevent electric current from returning ground.Conductor rod is connected with jumper wire rack by insulator, improve the distance of wire to jumper wire rack, avoid that the distance between wire and jumper wire rack is too short causes wire to puncture air insulating layer and jumper wire rack discharges, cause energy loss even to damage other electric fixturess on tower body.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises platform, described plateau levels is erected on described tower body, described platform comprises the support that two Pin are arranged side by side, and is provided with diagonal member between described support, and the two ends of described diagonal member are connected with described two Pin supports respectively, described diagonal member is positioned at same transverse plane, and the interval between described two Pin supports is divided into multiple triangle by described diagonal member.Utilize the platform on tower body to provide the platform of a safety and stability for work high above the ground personnel, facilitate electric power personnel in operation maintenance above etc., and then improve work high above the ground efficiency, reduce the time of safeguarding special-shaped single loop transposition tower.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises gusset plate, and the side laminating of described gusset plate is fixed on described tower body, and described platform is fixed on the opposite side of described gusset plate.Platform is first connected with the side of gusset plate, the opposite side of gusset plate is fixedly connected with tower body, can adopt is threaded or welds is connected gusset plate with tower body, and then platform is fixedly connected with gusset plate, improve the contact area of platform and tower body bearing, make the combination of platform and tower body more firm, improve the stability of the connection of platform and tower body.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises Turbogrid plates, and described Turbogrid plates level is laid on the platform.Turbogrid plates are provided with multiple through hole, and like this, Turbogrid plates are more lightweight than the steel plate with area, and can not accumulate rainwater, keep away from moisture.Turbogrid plates are laid on platform, when ensureing that platform has enough areas, lightweight, and the weight load that tower body is born is little and can not accumulate rainwater, avoid moisture to affect the normal use of electric fixtures.
Above-described special-shaped single loop transposition tower, preferably, the cross-sectional area bottom described tower body is greater than the cross-sectional area at described tower body top.The center of gravity of special-shaped single loop transposition tower can either be made to be positioned at bottom, improve the stability of special-shaped single loop transposition tower, the material on special-shaped single loop transposition tower top can be reduced again under the prerequisite ensureing special-shaped single loop transposition tower structural strength, reduce the manufacturing cost of special-shaped single loop transposition tower.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises arrester, and described arrester is vertically arranged on described wire cross-arm.Arrester plays the effect of a shunting, the resistance making the material of arrester is little more than the resistance of other structures, when running into lightning, lightning is selected and arrester generation point discharge phenomenon, major part electric current flows through arrester, then by tower body, electric current is discharged into underground, avoids the high-tension current of lightning to flow through other equipment on special-shaped single loop transposition tower like this, other equipment are damaged, affects the normal work of power system.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises solar cell and warning lamp, and described solar cell is fixed on described tower body, and described solar cell is electrically connected with described warning lamp.During daytime, solar cell absorbs light energy conversion and is electric energy and stores, and to evening, solar cell provides electric power to warning lamp, utilizing warning lamp to remind driving vehicle or pedestrian to avoid colliding with special-shaped single loop transposition tower, illumination can also be provided for not having the region of street lamp simultaneously.
Above-described special-shaped single loop transposition tower, preferably, described special-shaped single loop transposition tower also comprises anti-climbing ring, and described anti-climbing ring is provided with obstruction, for stopping climbing person, it is outer and removably connect with described tower body that described anti-climbing ring set is located at described tower body.The utilization obstruction be detachably set on the anti-climbing ring outside the tower body of special-shaped single loop transposition tower hinders climbing person to climb to the tower body top of special-shaped single loop transposition tower, avoids non-electricity operating personnel to climb special-shaped single loop transposition tower and causes security incident.
Above-described special-shaped single loop transposition tower, preferably, described obstruction is ratchet, and multiple described ratchet extends along anti-climbing ring radial direction.Ratchet effectively can stop climbing person as obstruction, simultaneously ratchet lightweight and structure simple, with low cost.
Relative to prior art, the special-shaped single loop transposition tower that the utility model provides comprises following beneficial effect: the special-shaped single loop transposition tower tower body top that the utility model provides is provided with wire cross-arm, wire cross-arm is provided with two ground wire cross-arms, between two ground wire cross-arms, there is certain angle, wire jumper support is erected with in the upper end of ground wire cross-arm, wire jumper support is provided with jumper wire rack, jumper wire rack direction is in the horizontal plane vertical with wire jumper support direction in the horizontal plane, jumper wire rack direction is in the horizontal plane parallel with the direction of transmission of electricity trolley line, wire cross-arm sets up trolley line, ground wire is set up on ground wire cross-arm, the wire of transposition is needed first to be connected with the contact of side on the wire cross-arm of special-shaped single loop transposition tower, by the jumper wire rack that wire jumper support is built on stilts, arrive the opposite side of special-shaped single loop transposition tower, be connected with the contact on opposite side, realize the transposition of wire, by special-shaped single loop transposition tower of the present utility model, when not needing trolley line to intersect, realize the transposition of trolley line, and the phase sequence in trolley line also can be changed, reduce three-phase load unbalance phenomenon, decrease the loss of electric energy at circuit, and the transposition tower of this particular design achieves the transposition of phase arbitrarily in electric power transport, and construction is more prone to, construction is simple.
Accompanying drawing explanation
In order to clearer explanation the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the special-shaped single loop transposition tower schematic diagram that the utility model first embodiment provides;
Fig. 2 is the part transposition wire jumper support of the special-shaped single loop transposition tower that Fig. 1 provides and the schematic top plan view of jumper wire rack;
Fig. 3 is the special-shaped single loop transposition tower schematic diagram that the utility model second embodiment provides;
Fig. 4 is the special-shaped single loop transposition tower schematic diagram that the utility model the 3rd embodiment provides;
Fig. 5 is the special-shaped single loop transposition tower schematic diagram that the utility model the 4th embodiment provides.
Wherein, the corresponding relation between Reference numeral and component names is as follows: tower body 101, wire cross-arm 102, earth wire support 103, transposition wire jumper support 104, jumper wire rack 105, insulator 106, conductor rod 107, platform 108, gusset plate 109, Turbogrid plates 110, arrester 111, solar cell 112, warning lamp 113, anti-climbing ring 114.
Detailed description of the invention
In mountain area, in electric power long transmission line course of conveying, the long line in single telegram in reply road there will be three-phase load unbalance phenomenon when transporting, three-phase load unbalance phenomenon refers in three-phase four-wire power supply network, when electric current is by line conductor, will produce electric energy loss because there is impedance, its loss and square to be directly proportional by electric current, when low voltage electric network is with three-phase four-wire power supply, owing to there being single-phase load to exist, cause threephase load uneven.
When threephase load off-center operation, to directly increase the loss of electric energy at circuit, producing out-of-balance current and unbalance voltage for reducing when power system normally runs, reducing the phenomenon of three-phase load unbalance, when line length is more than 100km, the wire of tackling single telegram in reply road replaces.
Carrying out transposition to wire in prior art is that wire is carried out transposition wire jumper by transposition tower, to study for a long period of time discovery through researcher, transposition tower is transmitted electricity different with single time anchor support from routine, construction cost is higher, and the Traverse phase-order after wire jumper connects does not change, and is just directly intersected by wire, effect is slowed down to three-phase imbalance phenomenon less, and the spacing of the wire directly intersected is less, is not easy the needs meeting electric clearance, cause electric power accident.
The utility model provides a kind of special-shaped single loop transposition tower to improve the problems referred to above.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
In the utility model, first, second, third, etc. are difference signal, are not limit.
Fig. 1 is the special-shaped single loop transposition tower schematic diagram that the utility model first embodiment provides;
Fig. 2 is the part transposition wire jumper support of the special-shaped single loop transposition tower that Fig. 1 provides and the schematic top plan view of jumper wire rack, as shown in Figure 1-2, the special-shaped single loop transposition tower that the utility model first embodiment provides comprises tower body 101, wire cross-arm 102, earth wire support 103, transposition wire jumper support 104 and jumper wire rack 105, tower body 101 is vertically arranged on the ground, wire cross-arm 102, earth wire support 103 and transposition wire jumper support 104 are all positioned at same vertical levels face, wire cross-arm 102 is erected at the top of tower body 101, two earth wire supports 103 are erected on wire cross-arm 102, one end of earth wire support 103 is connected with wire cross-arm 102, the other end of earth wire support 103 is free end, between two earth wire supports 103, there is certain angle, the two ends of transposition wire jumper support 104 are connected with the free end between two earth wire supports 103 respectively, jumper wire rack 105 level frame is located on transposition wire jumper support 104, jumper wire rack 105 direction is in the horizontal plane vertical with transposition wire jumper support 104 direction in the horizontal plane.
Special-shaped single loop transposition tower tower body 101 top that the utility model first embodiment provides is provided with wire cross-arm 102, wire cross-arm 102 is provided with two ground wire cross-arms, between two ground wire cross-arms, there is certain angle, wire jumper support is erected with in the upper end of ground wire cross-arm, wire jumper support is provided with jumper wire rack 105, jumper wire rack 105 direction is in the horizontal plane vertical with wire jumper support direction in the horizontal plane, jumper wire rack 105 direction is in the horizontal plane parallel with the direction of transmission of electricity trolley line, wire cross-arm 102 sets up trolley line, and ground wire is set up on ground wire cross-arm.
When carrying out wire jumper, first be connected needing the wire of transposition with the contact of side on the wire cross-arm 102 of special-shaped single loop transposition tower, by the jumper wire rack 105 that wire jumper support is built on stilts, arrive the opposite side of special-shaped single loop transposition tower, be connected with the contact on the opposite side on wire cross-arm 102, realize the transposition of wire.
By the special-shaped single loop transposition tower that the present embodiment provides, when not needing trolley line to intersect, realize the transposition of trolley line, meet the needs of electric clearance and the phase sequence in trolley line also can be changed, reduce three-phase load unbalance phenomenon, decrease the loss of electric energy at circuit, and the transposition tower of this particular design achieves the transposition of phase arbitrarily in electric power transport, and construction is more prone to, construction is simple.
Fig. 3 is the special-shaped single loop transposition tower schematic diagram that the utility model second embodiment provides;
As shown in Figure 3, the special-shaped single loop transposition tower that the utility model second embodiment provides is on the basis of the first embodiment, further, abnormity single loop transposition tower also comprises insulator 106 and conductor rod 107, conductor rod 107 is parallel with jumper wire rack 105 and be positioned at same vertical plane, and the two ends of jumper wire rack 105 are connected with conductor rod 107 by insulator 106.
Insulator 106 is formed by stacking by the isolator of multiple plate-like, play two basic roles in circuit, namely support wire and prevent electric current return ground, preferably, insulator 106 is made up of glass or pottery, conductor rod 107 is connected with jumper wire rack 105 by insulator 106, improve the distance of wire to jumper wire rack 105, avoid that the distance between wire and jumper wire rack 105 is too short causes wire to puncture air insulating layer and tower body 101 discharges, cause energy loss even to damage other electric fixturess on tower body 101.
The cross-sectional area of the bottom of tower body 101 is greater than the cross-sectional area at the top of tower body 101, the center of gravity of special-shaped single loop transposition tower can either be made to be positioned at bottom, improve the stability of special-shaped single loop transposition tower, the material on special-shaped single loop transposition tower top can be reduced again under the prerequisite ensureing special-shaped single loop transposition tower structural strength, the manufacturing cost of the special-shaped single loop transposition tower of further minimizing, realizes the structure optimization to special-shaped single loop transposition tower.
Fig. 4 is the special-shaped single loop transposition tower schematic diagram that the utility model the 3rd embodiment provides; As shown in Figure 4, the special-shaped single loop transposition tower that the utility model the 3rd embodiment provides is on the basis of the first embodiment, further, abnormity single loop transposition tower also comprises platform 108, and platform 108 level frame is located on tower body 101, and platform 108 comprises the support that two Pin are arranged side by side, diagonal member is provided with between support, the two ends of diagonal member are connected with two Pin supports respectively, and diagonal member is positioned at same transverse plane, and the interval between two Pin supports is divided into multiple triangle by diagonal member.
Due to special-shaped single loop transposition tower being also provided with other power equipments, these power equipments need electric power personnel to climb to overhaul to the top of tower body 101 when overhauling, the workman being positioned at the top of tower body 101 mostly is and oneself and tower body 101 is fixed by safety rope, then overhaul, need while overhaul power equipment when personnel overhaul, while should be noted that oneself erect-position and oneself fixing with tower body 101, have a strong impact on inspection speed, and likely cause danger.
Therefore, build a platform 108 providing safety and stability place for work high above the ground personnel, facilitate electric power personnel in operation maintenance above etc., and then improve work high above the ground efficiency, reduce the time of safeguarding special-shaped single loop transposition tower.
Abnormity single loop transposition tower also comprises gusset plate 109, and the side laminating of gusset plate 109 is fixed on tower body 101, and platform 108 is fixed on the opposite side of gusset plate 109.Platform 108 is first connected with the side of gusset plate 109, the opposite side of gusset plate 109 is fixedly connected with tower body 101, can adopt to be threaded or to weld and gusset plate 109 is connected with tower body 101, and then platform 108 is fixedly connected with gusset plate 109, therefore, improve platform 108 and the contact area of tower body 101 bearing, make platform 108 more firm with the combination of tower body 101, improve the stability of the connection of platform 108 and tower body 101.
Platform 108 is equipped with Turbogrid plates 110, utilize Turbogrid plates 110 as the floor of platform 108, on the one hand, Turbogrid plates 110 are provided with multiple through hole, and Turbogrid plates 110 are more lightweight than the steel plate with area, when ensureing that platform 108 has enough areas, the weight load that tower body 101 is born is little, and on the other hand, Turbogrid plates 110 are laid on platform 108, and can not rainwater be accumulated, avoid moisture to affect the normal use of electric fixtures.
Fig. 5 is the special-shaped single loop transposition tower schematic diagram that the utility model the 4th embodiment provides.
As shown in Figure 5, the special-shaped single loop transposition tower that the utility model the 4th embodiment provides is on the basis of the first embodiment, further, above special-shaped single loop transposition tower, preferably, abnormity single loop transposition tower also comprises arrester 111, and arrester 111 is vertically arranged on wire cross-arm 102.
Arrester 111 plays the effect of a shunting, the resistance making the material of arrester 111 is little more than the resistance of other structures, when running into lightning, lightning select with arrester 111 occur point discharge phenomenon instead of with other electric fixtures generation electric discharge phenomena, major part electric current flows through arrester 111, then by special-shaped single loop transposition tower, electric current is discharged into underground, the high-tension current of lightning is avoided to flow through other equipment on special-shaped single loop transposition tower like this, other equipment are damaged, affects the normal work of power system.
Meanwhile, tower body 101 arranges a solar cell 112 and warning lamp 113, and solar cell 112 is electrically connected with warning lamp 113, and warning lamp 113 can select LED, the long service life while that energy consumption being low.During daytime, solar cell 112 absorbs light energy conversion and is electric energy and stores, to evening, solar cell 112 provides electric power to warning lamp 113, utilizing warning lamp 113 to remind driving vehicle or pedestrian to avoid colliding with special-shaped single loop transposition tower, illumination can also be provided for not having the region of street lamp simultaneously.
In order to avoid non-electricity operating personnel climbs initiation security incident, special-shaped single loop transposition tower, is detachably set in outside tower body 101 by anti-climbing ring 114, and anti-climbing ring 114 is provided with obstruction, for stopping climbing person.Preferably, obstruction is ratchet, and multiple ratchet extends along anti-climbing ring 114 radial direction.Ratchet effectively can stop climbing person as obstruction, simultaneously ratchet lighter weight and structure is simple, with low cost.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a special-shaped single loop transposition tower, it is characterized in that, comprise tower body, wire cross-arm, earth wire support, transposition wire jumper support and jumper wire rack, described tower body is vertically arranged on the ground, described wire cross-arm, described earth wire support and described transposition wire jumper support are all positioned at same vertical levels face, described wire cross-arm is erected at the top of described tower body, two earth wire supports are erected on described wire cross-arm, one end of described earth wire support is connected with described wire cross-arm, the other end of described earth wire support is free end, between two described earth wire supports, there is certain angle, the two ends of described transposition wire jumper support are connected with the free end between two described earth wire supports respectively, described jumper wire rack level frame is located on described transposition wire jumper support, described jumper wire rack direction is in the horizontal plane vertical with described transposition wire jumper support direction in the horizontal plane.
2. special-shaped single loop transposition tower according to claim 1, it is characterized in that, described special-shaped single loop transposition tower also comprises insulator and conductor rod, described conductor rod is parallel with described jumper wire rack and be positioned at same vertical plane, and the two ends of described jumper wire rack are connected with described conductor rod by described insulator.
3. special-shaped single loop transposition tower according to claim 1, it is characterized in that, described special-shaped single loop transposition tower also comprises platform, described plateau levels is erected on described tower body, described platform comprises the support that two Pin are arranged side by side, and is provided with diagonal member between described support, and the two ends of described diagonal member are connected with described two Pin supports respectively, described diagonal member is positioned at same transverse plane, and the interval between described two Pin supports is divided into multiple triangle by described diagonal member.
4. special-shaped single loop transposition tower according to claim 3, is characterized in that, described special-shaped single loop transposition tower also comprises gusset plate, and the side laminating of described gusset plate is fixed on described tower body, and described platform is fixed on the opposite side of described gusset plate.
5. special-shaped single loop transposition tower according to claim 3, is characterized in that, described special-shaped single loop transposition tower also comprises Turbogrid plates, and described Turbogrid plates level is laid on the platform.
6. special-shaped single loop transposition tower according to claim 1, is characterized in that, the cross-sectional area bottom described tower body is greater than the cross-sectional area at described tower body top.
7. special-shaped single loop transposition tower according to claim 1, is characterized in that, described special-shaped single loop transposition tower also comprises arrester, and described arrester is vertically arranged on described wire cross-arm.
8. special-shaped single loop transposition tower according to claim 1, is characterized in that, described special-shaped single loop transposition tower also comprises solar cell and warning lamp, and described solar cell is fixed on described tower body, and described solar cell is electrically connected with described warning lamp.
9. special-shaped single loop transposition tower according to claim 1, it is characterized in that, described special-shaped single loop transposition tower also comprises anti-climbing ring, and described anti-climbing ring is provided with obstruction, for stopping climbing person, it is outer and removably connect with described tower body that described anti-climbing ring set is located at described tower body.
10. special-shaped single loop transposition tower according to claim 9, is characterized in that, described obstruction is ratchet, and multiple described ratchet extends along anti-climbing ring radial direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031552.9U CN204590741U (en) | 2015-01-16 | 2015-01-16 | Abnormity single loop transposition tower |
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| CN201520031552.9U CN204590741U (en) | 2015-01-16 | 2015-01-16 | Abnormity single loop transposition tower |
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| CN204590741U true CN204590741U (en) | 2015-08-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134749A (en) * | 2017-05-23 | 2017-09-05 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107394737A (en) * | 2017-08-22 | 2017-11-24 | 四川电力设计咨询有限责任公司 | Transmission line of alternation current intersects crossing structure |
-
2015
- 2015-01-16 CN CN201520031552.9U patent/CN204590741U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134749A (en) * | 2017-05-23 | 2017-09-05 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107134749B (en) * | 2017-05-23 | 2019-01-08 | 国核电力规划设计研究院有限公司 | A kind of transposition tower and its interchanging method |
| CN107394737A (en) * | 2017-08-22 | 2017-11-24 | 四川电力设计咨询有限责任公司 | Transmission line of alternation current intersects crossing structure |
| CN107394737B (en) * | 2017-08-22 | 2018-12-28 | 四川电力设计咨询有限责任公司 | Transmission line of alternation current intersects crossing structure |
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