CN203951149U - 220kV double loop cable terminal pole and corresponding transmission system - Google Patents
220kV double loop cable terminal pole and corresponding transmission system Download PDFInfo
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- CN203951149U CN203951149U CN201420336499.9U CN201420336499U CN203951149U CN 203951149 U CN203951149 U CN 203951149U CN 201420336499 U CN201420336499 U CN 201420336499U CN 203951149 U CN203951149 U CN 203951149U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 239000012212 insulator Substances 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 38
- 238000010168 coupling process Methods 0.000 claims abstract description 38
- 238000005859 coupling reaction Methods 0.000 claims abstract description 38
- 230000035807 sensation Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model proposes a kind of 220kV double loop cable terminal pole and corresponding transmission system, belong to transmission line field.Affiliated cable terminal pole comprises the long and short two root body of rod, coupling beam, cross-arm, expenditure insulator and cable termination support; Wherein, the described long and short two root body of rod comprise one compared with stock body and one compared with quarter butt body; Described coupling beam connects to form double-rod structure by the long and short two root body of rod; Described cross-arm is arranged on described double-rod structure; Described expenditure insulator is arranged on described double-rod structure according to preset distance interval; Described cable termination stentplacement is in described double-rod structure both sides.This programme has solved existing cable terminal inconvenience, not easy care and the problem such as floor space is large has been installed, have simple in structure, floor space is little, the safe and plurality of advantages such as simple of constructing.
Description
Technical field
The utility model belongs to transmission line technical field, relates in particular to a kind of 220kV double loop cable terminal pole and corresponding transmission system.
Background technology
Along with economic development is more and more faster, various places need for electricity significantly improves, and high-tension line is also more and more intensive.Be subject to the influence of topography and planning requirement, more and more overhead transmission lines transfer underground cable to and lay, and aerial condutor needs cable termination to realize with being connected of underground cable, and the conversion of this space is not only taken up an area greatly, investment is higher, and security requirement is also high.
220kV cable termination is in the market oil-filled cable terminal, compares that 110kV and following dry cable terminal volume are large, quality weight, as is arranged on above cross-arm, construct extremely inconvenient, labour intensity is very big, is also unfavorable for the operation maintenance in later stage.
Traditional 220kV double loop cable terminal adopts the method for adding platform more, at common double-loop terminal tower tower body, a kind of cable termination platform is installed, and lays all annexes such as cable termination and lightning arrester.This mode need to be planned a larger cable termination platform, causes very large space hold, and some place cannot be arranged, and platform is higher, is also unfavorable for installing and operation maintenance.
Utility model content
The purpose of this utility model is just to overcome above-mentioned defect, provide a kind of simple in structure, floor space is little, safe, construct simple 220kV double loop cable terminal pole and corresponding transmission system.
For this reason, the utility model proposes a kind of 220kV double loop cable terminal pole, comprise the long and short two root body of rod, coupling beam, cross-arm, expenditure insulator and cable termination support; Wherein, the described long and short two root body of rod comprise one compared with stock body and one compared with quarter butt body; Described coupling beam connects to form double-rod structure by the long and short two root body of rod; Described cross-arm is arranged on described double-rod structure; Described expenditure insulator is arranged on described double-rod structure according to preset distance interval; Described cable termination stentplacement is in described double-rod structure both sides.
According to an aspect of the present utility model, described coupling beam comprises the top coupling beam, middle coupling beam and below coupling beam; Described cross-arm comprises upper strata, middle level and lower floor's cross-arm, its at the middle and upper levels cross-arm be arranged on the longer body of rod, middle level cross-arm is arranged in the coupling beam of the top, lower floor's cross-arm is arranged on the shorter body of rod; Described expenditure insulator comprises six roots of sensation expenditure insulator, first expenditure insulator be arranged on the top coupling beam with compared with the junction of stock body, second expenditure insulator be arranged in the middle of coupling beam with compared with the junction of stock body, the 3rd expenditure insulator is arranged in middle coupling beam, the 4th expenditure insulator be arranged on below coupling beam with compared with the junction of stock body, the 5th expenditure insulator is arranged in the coupling beam of below, the 6th expenditure insulator be arranged on below coupling beam with compared with the junction of quarter butt body; Place six groups of cable termination supports in described double-rod structure both sides.
The utility model has also proposed a kind of transmission system, comprise above-mentioned 220kV double loop cable terminal pole, also comprise aerial condutor, strain insulator-string, on draw string, lead-in wire, cable termination and cable, wherein, described strain insulator-string and on draw string be arranged on cross-arm, described aerial condutor is connected with strain insulator-string, and the supreme string that draws of jumper connection, above draws ganging up lead-in wire and be connected to cable termination; Cable termination is placed on cable termination support, and cable termination has been connected the final conversion of aerial condutor and cable with cable.
According to an aspect of the present utility model, every one end of described cross-arm all connects on a strain insulator-string and one and draws string, upper strata, middle level and lower floor's cross-arm connect six roots of sensation aerial condutor and six wire altogether, six wire is connected with six cable terminations on six groups of cable termination supports respectively, six cable terminations are connected with six roots of sensation cable respectively, the lead-in wire being connected with lower floor cross-arm is fixed by the 6th expenditure insulator, the lead-in wire being connected with middle level cross-arm is fixed by the 3rd and the 5th expenditure insulator, the lead-in wire being connected with upper strata cross-arm is by first, second and the 4th pays insulator is fixed.
According to an aspect of the present utility model, described transmission system also comprises the lightning arrester being placed on cable termination support, and lightning arrester is connected with cable termination.
Brief description of the drawings
Fig. 1 is the schematic diagram of the 220kV double loop cable terminal pole that the utility model proposes;
Fig. 2 is the schematic diagram of the transmission system that comprises the double loop of 220kV shown in Fig. 1 cable terminal pole.
Embodiment
The following stated is better embodiment of the present utility model, does not therefore limit protection range of the present utility model.
Referring to Fig. 1, it shows the 220kV double loop cable terminal pole according to an embodiment.Described 220kV double loop cable terminal pole comprises the long and short two root body of rod 1, coupling beam 2, cross-arm 3, expenditure insulator 4 and cable termination support 5.Wherein, described coupling beam 2 connects the long and short two root body of rod 1, forms double-rod structure; Described cross-arm 3 is arranged on described double-rod structure; Described expenditure insulator 4 is arranged on double-rod structure according to preset distance interval; Described cable termination support 5 is placed on described double-rod structure both sides.In the specific embodiment shown in Fig. 1, three coupling beams 2 of the upper, middle and lower just long and short two root body of rod 1 are connected to form double-rod structure; Three layers of cross-arm 3 of upper, middle and lower are installed on double-rod structure, and upper strata cross-arm is arranged on the longer body of rod, and middle level cross-arm is arranged in the coupling beam of the top, and lower floor's cross-arm is arranged on the shorter body of rod; Six roots of sensation expenditure insulator 4 is arranged on double-rod structure according to preset distance interval, the junction of the coupling beam that the first expenditure insulator is arranged on the top and the longer body of rod, the junction of the coupling beam in the middle of the second expenditure insulator is arranged on and the longer body of rod, in coupling beam in the middle of the 3rd insulator is arranged on, the junction of the coupling beam that the 4th insulator is arranged on below and the longer body of rod, the 5th insulator is arranged in the coupling beam of below, the junction of the coupling beam that the 6th insulator is arranged on below and the shorter body of rod; Place six groups of cable termination supports 5 in described double-rod structure both sides.
Referring to Fig. 2, it shows the transmission system that comprises the double loop of 220kV shown in Fig. 1 cable terminal pole according to an embodiment.Except the 220kV double loop cable terminal pole described in Fig. 1, described transmission system also comprise aerial condutor 6, strain insulator-string 7, on draw string 8, lead-in wire 9, cable termination 10 and cable 12.Wherein, described strain insulator-string 7 and on draw string and 8 be arranged on cross-arm 3, described aerial condutor 6 is connected with strain insulator-string 7, and the supreme string 8 that draws of jumper connection, above draws to go here and there 89 to be connected to cable termination 10 by going between; Cable termination 10 is placed on cable termination support 5, and cable termination 10 has been connected the final conversion of aerial condutor 6 and cable 12 with cable 12.Lead-in wire 9 is fixed by the expenditure insulator 4 of installing on double-rod structure, to prevent windage yaw and to ensure enough electric clearances.Described transmission system also comprises the lightning arrester 11 being placed on cable termination support 5, and lightning arrester 11 is connected with cable termination 10.
In specific embodiment as shown in Figure 2, every one end of described cross-arm 3 all connects and on a strain insulator-string 7 and one, draws string 8, three layers of cross-arm 3 connect six roots of sensation aerial condutor 6 and six wire 9 altogether, six wire 9 is connected with six cable terminations 10 on six groups of cable termination supports 5 respectively, and six cable terminations 10 are connected with six roots of sensation cable 12 respectively.Described transmission system comprises six roots of sensation expenditure insulator, the lead-in wire 9 being connected with lower floor cross-arm 3 is fixed by the 6th expenditure insulator, the lead-in wire 9 being connected with middle level cross-arm 3 is fixed by the 3rd and the 5th expenditure insulator, and the lead-in wire 9 being connected with upper strata cross-arm 3 is fixed by first, second and the 4th expenditure insulator.
The foregoing is only specific embodiment of the utility model, but technical characterictic of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification are all encompassed among the scope of the claims of the present utility model.
Claims (5)
1. a 220kV double loop cable terminal pole, is characterized in that:
Described 220kV double loop cable terminal pole comprises the long and short two root body of rod, coupling beam, cross-arm, expenditure insulator and cable termination support; Wherein, the described long and short two root body of rod comprise one compared with stock body and one compared with quarter butt body; Described coupling beam connects to form double-rod structure by the long and short two root body of rod; Described cross-arm is arranged on described double-rod structure; Described expenditure insulator is arranged on described double-rod structure according to preset distance interval; Described cable termination stentplacement is in described double-rod structure both sides.
2. 220kV according to claim 1 double loop cable terminal pole, is characterized in that:
Described coupling beam comprises the top coupling beam, middle coupling beam and below coupling beam; Described cross-arm comprises upper strata, middle level and lower floor's cross-arm, its at the middle and upper levels cross-arm be arranged on compared with on stock body, middle level cross-arm is arranged in the coupling beam of the top, lower floor's cross-arm is arranged on compared with on quarter butt body; Described expenditure insulator comprises six roots of sensation expenditure insulator, first expenditure insulator be arranged on the top coupling beam with compared with the junction of stock body, second expenditure insulator be arranged in the middle of coupling beam with compared with the junction of stock body, the 3rd expenditure insulator is arranged in middle coupling beam, the 4th expenditure insulator be arranged on below coupling beam with compared with the junction of stock body, the 5th expenditure insulator is arranged in the coupling beam of below, the 6th expenditure insulator be arranged on below coupling beam with compared with the junction of quarter butt body; Place six groups of cable termination supports in described double-rod structure both sides.
3. a transmission system, is characterized in that:
Described transmission system comprises 220kV according to claim 1 double loop cable terminal pole, also comprise aerial condutor, strain insulator-string, on draw string, lead-in wire, cable termination and cable, wherein, described strain insulator-string and on draw string be arranged on cross-arm, described aerial condutor is connected with strain insulator-string, and the supreme string that draws of jumper connection, above draw and ganging up lead-in wire and be connected to cable termination; Cable termination is placed on cable termination support, and cable termination has been connected the final conversion of aerial condutor and cable with cable.
4. a transmission system, is characterized in that:
Described transmission system comprises 220kV according to claim 2 double loop cable terminal pole, also comprise aerial condutor, strain insulator-string, on draw string, lead-in wire, cable termination and cable, wherein, described strain insulator-string and on draw string be arranged on cross-arm, described aerial condutor is connected with strain insulator-string, and the supreme string that draws of jumper connection, above draw and ganging up lead-in wire and be connected to cable termination; Cable termination is placed on cable termination support, and cable termination has been connected the final conversion of aerial condutor and cable with cable; Wherein
Every one end of described cross-arm all connects on a strain insulator-string and one and draws string, upper strata, middle level and lower floor's cross-arm connect six roots of sensation aerial condutor and six wire altogether, six wire is connected with six cable terminations on six groups of cable termination supports respectively, six cable terminations are connected with six roots of sensation cable respectively, the lead-in wire being connected with lower floor cross-arm is fixed by the 6th expenditure insulator, the lead-in wire being connected with middle level cross-arm is fixed by the 3rd and the 5th expenditure insulator, and the lead-in wire being connected with upper strata cross-arm is fixed by first, second and the 4th expenditure insulator.
5. according to claim 3 or transmission system claimed in claim 4, it is characterized in that:
Described transmission system also comprises the lightning arrester being placed on cable termination support, and lightning arrester is connected with cable termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336499.9U CN203951149U (en) | 2014-06-20 | 2014-06-20 | 220kV double loop cable terminal pole and corresponding transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336499.9U CN203951149U (en) | 2014-06-20 | 2014-06-20 | 220kV double loop cable terminal pole and corresponding transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN203951149U true CN203951149U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336499.9U Expired - Fee Related CN203951149U (en) | 2014-06-20 | 2014-06-20 | 220kV double loop cable terminal pole and corresponding transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294034A (en) * | 2017-05-25 | 2017-10-24 | 国网山东省电力公司青岛供电公司 | cable terminal pole |
-
2014
- 2014-06-20 CN CN201420336499.9U patent/CN203951149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294034A (en) * | 2017-05-25 | 2017-10-24 | 国网山东省电力公司青岛供电公司 | cable terminal pole |
| CN107294034B (en) * | 2017-05-25 | 2018-11-02 | 国网山东省电力公司青岛供电公司 | cable terminal pole |
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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: 20141119 |