CN201460375U - Four-loop upright umbrella type pylon - Google Patents
Four-loop upright umbrella type pylon Download PDFInfo
- Publication number
- CN201460375U CN201460375U CN2009200753354U CN200920075335U CN201460375U CN 201460375 U CN201460375 U CN 201460375U CN 2009200753354 U CN2009200753354 U CN 2009200753354U CN 200920075335 U CN200920075335 U CN 200920075335U CN 201460375 U CN201460375 U CN 201460375U
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Abstract
The utility model provides a four-loop upright umbrella type pylon, which includes a steel tube pole, a first bracket, a plurality of support porcelain insulators, a second bracket, at least one angle iron platform arranged on the second bracket, and a plurality of cable heads fixed on the iron platform, wherein three lead cross arms are arranged on the steel tube pole sequentially from top to bottom and have length increases sequentially, and strain insulator strings are arranged on two sides of each lead cross arm; the first bracket is arranged under the lead cross arms, and about a first distance away from the lead cross arms; the support porcelain insulators are arranged on the lead cross arms and the side surface of the first bracket; the second bracket is arranged under the first bracket, and about a second distance away from the first bracket; and a overhead conductor is led down by a bare conductor from the live ends of the strain insulator strings, fixed on the lead cross arms and the first bracket through the support porcelain insulators, and connected with cables through cable heads. The device realizes the connection between the overhead conductor and the four-loop cables led down by a double-loop upright umbrella type pylon.
Description
Technical field
The utility model relates to the transmission line of electricity technical field, relates in particular to the positive umbellate form pylon in a kind of four loops.
Background technology
At present, transmission line of electricity is generally realized by the mode of aerial condutor or cabling.Aerial condutor can be connected by shaft tower with cable.In transmission line of electricity, shaft tower is meant the holder of bracing frame hollow wire and ground wire.By the material branch, the angle steel tower that shaft tower is divided into the cement pole formed with pipe of cement, form with angle steel, the steel pipe iron tower of forming with steel pipe, steel pipe pole etc.By the function branch, shaft tower is divided into the tangent tower that only bears lead wire and earth wire deadweight, bear anchor support that angle power is zero lead wire and earth wire pulling force, bear the lead wire and earth wire pulling force of band angle power angle tower, to have only a side to be subjected to the terminal tower of lead wire and earth wire pulling force, a side be trolley line, opposite side is the cable shoe tower of cable etc.Press the classification of shaft tower profile or wire arrangements, the model of shaft tower is divided into positive umbellate form, inversed umbrella type, drum type, door type, matrix pattern, king's font etc.The selection of shaft tower pattern is determined by factors such as electric pressure, transmission capacity, feeder number, lead wire and earth wire arrangement mode, landform, communications and transportation.
The lead cross-arm of positive umbellate form pylon is a three layer construction, comprises the upper conductor cross-arm, middle lead cross-arm and lower wire cross-arm.Wherein, the length of the length of the length of lower wire cross-arm＞middle lead cross-arm＞upper conductor cross-arm, the structural entity of hanging point is positive umbellate form on the described lead cross-arm.Aerial condutor is fixed in the end of lead cross-arm by insulator string.
In the prior art, the positive umbellate form terminal tower of positive umbellate form terminal tower of single loop and double loop all is the side link hollow wire by the lead cross-arm, the opposite side stube cable, thus realize that aerial condutor is connected with cable.Because the lead cross-arm of above-mentioned single, double return lead terminal tower has a side not have aerial condutor, cable is realized drawing down in this side easily.
For the positive umbellate form anchor support in double loop,, also can adopt aforesaid way if draw two telegram in reply cables down.If but aerial condutor is broken as lead four times, to draw four telegram in reply cables down, as adopt above-mentioned lead cross-arm one side link hollow wire, opposite side stube cable mode will take more space.Because as only drawing next telegram in reply cable, this mode promptly need take three space faces.The aerial condutor that links to each other with the lead cross-arm takies a space face; The down lead of the aerial condutor that links to each other with lead cross-arm opposite side takies a space face; Direction perpendicular to the lead cross-arm takies a space face.Therefore, draw four telegram in reply cables down, extra a plurality of spaces face fixing with the realization down lead then must be provided as need.This mode will take too many space, realize that difficulty is very big.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of four loops positive umbellate form pylon, directly draw down cable,, thereby realize being connected of four telegram in reply cables and aerial condutor by the down lead of the support insulator fixed mount hollow wire on the lead cross-arm from the aerial condutor side.
The utility model is achieved through the following technical solutions:
The positive umbellate form pylon in a kind of four loops, comprise steel pipe pole, on described steel pipe pole, set gradually the first lead cross-arm, the second lead cross-arm and privates cross-arm from top to bottom, the length of the described first lead cross-arm, the second lead cross-arm and privates cross-arm increases successively, and the both sides of the described first lead cross-arm, the second lead cross-arm and privates cross-arm all are provided with strain insulator string; Also comprise: first support, be arranged under the described lead cross-arm, and first distance of being separated by with it; Some support insulators are arranged on the side of the described lead cross-arm and first support; Second support is arranged under described first support, and the second distance of being separated by with it; At least one angle steel platform is arranged on second support; Some cable heads are fixed on the described angle steel platform; Wherein, aerial condutor draws down with bare conductor from the live end of described strain insulator string, is fixed on the described lead cross-arm and first support by described some support insulators, is connected with cable by described cable head again.
Further, described cable head is four return cable heads.
Further, the spacing of the described first lead cross-arm, the second lead cross-arm and privates cross-arm is by the grade decision of line voltage distribution.
Preferably, when the line voltage distribution grade was 110KV, the spacing of each lead cross-arm was 3.5～4.0 meters.
Further, the quantity of described angle steel platform is 4.
Further, also comprise some arresters, be fixed on the described angle steel platform.
Further, the quantity of described cable head and described arrester all is 12.
Further, on the described angle steel platform channel-section steel and aisle are set, described channel-section steel and aisle are roughly parallel to described lead cross-arm.
Further, described cable is coated in the pillar, and pillar is used for an overfill protection cable.
Further, the quantity of described support insulator is 24.
Further, described first distance is 3～6 meters, and described second distance is 5～8 meters.
The beneficial effects of the utility model are, at the positive umbellate form anchor support in double loop, draw the situation of four telegram in reply cables down, the positive umbellate form pylon in a kind of four loops has been proposed, directly draw cable down from the aerial condutor side, rather than adopt a side link hollow wire of the prior art, the mode of opposite side stube cable.The positive umbellate form pylon in four loops of the present utility model only takies four space faces altogether, occupies little space, and is easy to realize.
In addition, the positive umbellate form pylon in four loops of the present utility model comprises the angle steel platform, and cable head and arrester are fixed on the identical platform, and described angle steel platform also comprises channel-section steel and aisle, makes things convenient for the staff to move, safeguard and overhaul.
Description of drawings
Fig. 1 is an electrical wiring schematic diagram of the present utility model;
Fig. 2 is the front view of specific embodiment of the utility model;
Fig. 3 is the lateral view of specific embodiment of the utility model;
Fig. 4 is the top view of the angle steel platform of specific embodiment of the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model is at the positive umbellate form anchor support in double loop, draws the situation of four telegram in reply cables down.Fig. 1 is an electrical wiring schematic diagram of the present utility model.As shown in Figure 1, strain insulator string 3 is installed on the lead cross-arm 2 of the steel pipe pole 1 of the positive umbellate form anchor support in double loop.On four live ends of strain insulator string 3, connect the first aerial condutor B1, the second aerial condutor B2, the 3rd aerial condutor B3, the 4th aerial condutor B4 respectively.Directly draw cable down from the aerial condutor side, also promptly the first aerial condutor B1 side is drawn the first cable A1 down; The second aerial condutor B2 side is drawn the second cable A2 down; The 3rd aerial condutor B3 side is drawn the 3rd cable A3 down; The 4th aerial condutor B4 side is drawn the 4th cable A4 down.By above-mentioned analysis, realized being connected of four telegram in reply cables and aerial condutor from principle.
See also Fig. 2-Fig. 4, the structural entity of hanging point is " positive umbellate form " arrangement on the lead cross-arm of the steel pipe pole of this specific embodiment. and the positive umbellate form pylon in four loops of the present utility model comprises the first lead cross-arm 14, the second lead cross-arm 15, privates cross-arm 16, the length of the length of the length of privates cross-arm 16＞second lead cross-arm 15＞first lead cross-arm 14, overall structure is umbellate form, above-mentioned lead cross-arm (14,15,16) be used for support fixation aerial condutor 4; Some support insulators 5 that are installed on the lead cross-arm (15,16) are used for fixing the down lead of aerial condutor 4; First support 6 is used for fixing support insulator 5, with the spacing of privates cross-arm 16 be 3～6 meters; Some cable heads 7 are used for stube cable 10 and aerial condutor 4, and in the utility model, cable head 7 is four return cable heads; Some arresters 8 are used to prevent that cable 10 is struck by lightning; Second support 9 is used for fixing angle steel platform 11, with the spacing of first support 6 be 5～8 meters; Cable and pillar 10 thereof, wherein, pillar coats cable, is used for fixing the protection cable, and carrying cable head 7 and channel-section steel 12; Angle steel platform 11, the quantity that is used for fixing cable head 7 and arrester 8. angle steel platforms 11 is counted decision by returning of cable, and in the utility model, the quantity of angle steel platform 11 is the aisle 13 on the 4. angle steel platforms 11, is used for staff's walking when operation, maintenance; Channel-section steel 12 on the angle steel platform 11, be used for fixing cable head 7 and arrester 8. described channel-section steels 12 and main aisle and be parallel to each lead cross-arm. certainly, aisle 13 also comprises one section secondary aisle perpendicular to main aisle, be convenient to the staff and run to main aisle, thereby monitor, safeguard and overhaul from cat ladder.
The spacing of each lead cross-arm (14,15,16) is by the grade decision of line voltage distribution.For example, when the line voltage distribution grade was 110KV, the spacing of each lead cross-arm (14,15,16) was 3.5～4.0 meters.The quantity of described cable head 7 and arrester 8 is returned number by cable and be multiply by number of phases decision, and in the utility model, quantity is 4 * 3=12.The quantity of described support insulator 5 is returned number by cable and be multiply by the decision of fixed point quantity, and in the utility model, quantity is 4 * 6=24.
Certainly, the positive umbellate form pylon in four loops of the present utility model also comprises the basic element of character of pylon, and for example steel pipe pole 1, strain insulator string 3 etc. are not described in detail this in this manual.See also Fig. 2, aerial condutor 4 draws down with bare conductor from the live end of strain insulator string 3, by some support insulators 5 of insulation are set, the lead down lead is fixed on the end of support insulator 5 on the side of the lead cross-arm (15,16) of pylon and first support 6.Thus, can keep insulation between the different phase conductors.At last, the lead down lead is connected with cable by four return cable 7.
See also Fig. 4, the utility model is with four return cable 7, and arrester 8 all is arranged on the angle steel platform 11 of liftoff certain altitude, convenient operation, safeguards and maintenance.In the prior art, generally cable head and arrester are separately positioned on the support of differing heights; Perhaps with cable head, arrester is set directly on the pylon, causes operation, safeguards and overhauls all not convenient.
Because privates cross-arm 16 and angle steel platform 11 be apart from each other still, the lead down lead is met wind and is swung easily.Therefore, some support insulators 5 need be set also on first support 6, the lead down lead is fixed, to reduce swing.
It should be noted that, the orientation of the support insulator on the lead cross-arm of pylon is arranged, the spacing of lead down lead, with the spacing of ground connector, the spacing of different circuit, component strength etc. all need satisfy the every requirement in the transmission line of electricity design discipline.
The above is preferred embodiment of the present utility model only, is not limited to the utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. positive umbellate form pylon in loop, comprise steel pipe pole, on described steel pipe pole, set gradually the first lead cross-arm, the second lead cross-arm and privates cross-arm from top to bottom, the length of the described first lead cross-arm, the second lead cross-arm and privates cross-arm increases successively, the both sides of the described first lead cross-arm, the second lead cross-arm and privates cross-arm all are provided with strain insulator string, it is characterized in that, also comprise:
First support is arranged under the described lead cross-arm, and first distance of being separated by with it;
Some support insulators are arranged on the side of the described lead cross-arm and first support;
Second support is arranged under described first support, and the second distance of being separated by with it;
At least one angle steel platform is arranged on second support;
Some cable heads are fixed on the described angle steel platform;
Wherein, aerial condutor draws down with bare conductor from the live end of described strain insulator string, is fixed on the described lead cross-arm and first support by described some support insulators, is connected with cable by described cable head again.
2. the positive umbellate form pylon in four loops as claimed in claim 1, wherein, described cable head is four return cable heads.
3. the positive umbellate form pylon in four loops as claimed in claim 1, wherein, the spacing of the described first lead cross-arm, the second lead cross-arm and privates cross-arm is by the grade decision of line voltage distribution.
4. the positive umbellate form pylon in four loops as claimed in claim 3, wherein, when the line voltage distribution grade was 110KV, the spacing of the first lead cross-arm, the second lead cross-arm and privates cross-arm was 3.5～4.0 meters.
5. the positive umbellate form pylon in four loops as claimed in claim 1 wherein, also comprises some arresters, is fixed on the described angle steel platform.
6. the positive umbellate form pylon in four loops as claimed in claim 5, wherein, the quantity of stating the angle steel platform is 4, the quantity of described cable head and described arrester all is 12.
7. the positive umbellate form pylon in four loops as claimed in claim 1 wherein, is provided with channel-section steel and aisle on the described angle steel platform, and described channel-section steel and aisle are roughly parallel to described lead cross-arm.
8. the positive umbellate form pylon in four loops as claimed in claim 1, wherein, described cable is coated in the pillar.
9. the positive umbellate form pylon in four loops as claimed in claim 1, wherein, the quantity of described support insulator is 24.
10. the positive umbellate form pylon in four loops as claimed in claim 1, wherein, described first distance is 3～6 meters, described second distance is 5～8 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753354U CN201460375U (en) | 2009-07-27 | 2009-07-27 | Four-loop upright umbrella type pylon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753354U CN201460375U (en) | 2009-07-27 | 2009-07-27 | Four-loop upright umbrella type pylon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460375U true CN201460375U (en) | 2010-05-12 |
Family
ID=42387729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200753354U Expired - Fee Related CN201460375U (en) | 2009-07-27 | 2009-07-27 | Four-loop upright umbrella type pylon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201460375U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227077A (en) * | 2011-03-21 | 2011-10-26 | 江苏省电力公司无锡供电公司 | Tower arrangement structure at cable terminal |
| CN103066544A (en) * | 2012-12-19 | 2013-04-24 | 上海艾能电力工程有限公司 | Cable terminal steel pipe pole |
| CN103147617A (en) * | 2013-02-06 | 2013-06-12 | 广东天联电力设计有限公司 | Steel pipe pole enabling electro-transmission lead to be buried |
| CN103243956A (en) * | 2013-05-31 | 2013-08-14 | 国家电网公司 | Lightning arrester platform |
| CN103280758A (en) * | 2013-05-21 | 2013-09-04 | 国家电网公司 | Cable terminal tower |
| CN108418167A (en) * | 2018-05-18 | 2018-08-17 | 青岛市恒顺众昇集团股份有限公司 | With four circuit single wire cable terminal tower of tower |
-
2009
- 2009-07-27 CN CN2009200753354U patent/CN201460375U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227077A (en) * | 2011-03-21 | 2011-10-26 | 江苏省电力公司无锡供电公司 | Tower arrangement structure at cable terminal |
| CN103066544A (en) * | 2012-12-19 | 2013-04-24 | 上海艾能电力工程有限公司 | Cable terminal steel pipe pole |
| CN103147617A (en) * | 2013-02-06 | 2013-06-12 | 广东天联电力设计有限公司 | Steel pipe pole enabling electro-transmission lead to be buried |
| CN103147617B (en) * | 2013-02-06 | 2016-03-30 | 广东天联电力设计有限公司 | The steel pipe pole that transmission pressure is buried can be realized |
| CN103280758A (en) * | 2013-05-21 | 2013-09-04 | 国家电网公司 | Cable terminal tower |
| CN103243956A (en) * | 2013-05-31 | 2013-08-14 | 国家电网公司 | Lightning arrester platform |
| CN108418167A (en) * | 2018-05-18 | 2018-08-17 | 青岛市恒顺众昇集团股份有限公司 | With four circuit single wire cable terminal tower of tower |
| CN108418167B (en) * | 2018-05-18 | 2023-12-05 | 青岛中资中程集团股份有限公司 | Same-tower four-loop single-wire cable terminal tower |
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Legal Events
| 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 |
Granted publication date: 20100512 Termination date: 20160727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |