CN105680390A - Cable terminal pole and electrical support device therefor - Google Patents
Cable terminal pole and electrical support device therefor Download PDFInfo
- Publication number
- CN105680390A CN105680390A CN201610132267.5A CN201610132267A CN105680390A CN 105680390 A CN105680390 A CN 105680390A CN 201610132267 A CN201610132267 A CN 201610132267A CN 105680390 A CN105680390 A CN 105680390A
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- China
- Prior art keywords
- arm
- cross
- branch stent
- distance
- installation position
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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Abstract
The invention discloses a cable terminal pole and an electrical support device therefor. The electrical support device comprises a pole arm, wherein a branch bracket which extends along the longitudinal direction is fixed on the pole arm and is provided with a lightning arrester installation position and a terminal installation position; and the distances between every two of the lightning arrester installation position, the terminal installation position and the pole arm all are not smaller than a creepage distance. A lightning arrester and a cable terminal are fixed on the branch bracket of the electrical support device, so that the lightning arrester and the cable terminal are arranged at the same height position; a support component between the electrical support device and a telegraph pole does not affect the arrangement position between the lightning arrester and the cable terminal when position arrangement of the lightning arrester and the cable terminal is carried out; the distance between the lightning arrester and the cable terminal can be strictly arranged according to the creepage distance; and the relative distance between the lightning arrester and the cable terminal is shortened, namely a lead wire between the cable terminal and the lightning arrester is shortened.
Description
Technical field
The present invention relates to a kind of cable terminal pole and electrically prop up support arrangement.
Background technology
Cable terminal pole is for the junction of high voltage overhead lines and high tension cable, cable termination on cable terminal pole and spark gap are the essential electrical devices of cable run and overhead transmission line junction, an electric lead wire is generally adopted to connect between spark gap and cable termination, the two ends of electric lead wire connect conduction each through bolt and are connected on two electric devices, as disclosed in Chinese patent literature CN103280758A " cable terminal pole ", including tower bar and on fixing from bottom to top some cross-arms, each cross-arm is connected to cable termination and spark gap, cable termination and spark gap are separately fixed on different cross-arms, to be fixed on tower bar in the way of adopting relatively independent support. owing to the distance between spark gap and cable termination need to more than its leakage distance, leakage distance refers to the energized conductor minimum safe distance to grounding body, this leakage distance is certain value, so cable termination is generally in the lower section of spark gap, namely cable termination and spark gap need to be arranged on differing heights, now affected by the diagonal brace below cross-arm, for avoiding the interference of the diagonal brace cable termination to installing on cross-arm or spark gap, the neighbouring distance between two cross-arms is bigger, thus more increase the distance between cable termination and spark gap, also the length allowing for the lead wire between cable termination and spark gap increases, there is long problem in lead wire, at wind-force, in the weather such as sleet, lead wire there will be the phenomenon acutely rocked, the bolt fastening structure that lead wire two ends connect cable termination and spark gap is made to occur loosening phenomenon, the problem that wiring position after loosening there will be loose contact or connection position heating, thus causing disconnection fault, damage is brought to power transmission network.
Summary of the invention
It is an object of the invention to provide an electrically support arrangement of a kind of spacing shortened between cable termination and spark gap, additionally provide a kind of cable terminal pole using this electric support arrangement simultaneously.
In order to realize object above, in the present invention, electrically the technical scheme of a support arrangement is as follows:
An electrically support arrangement, including for the fixing cross-arm extended transversely on utility poles, cross-arm is fixed with the branch stent extended longitudinally, being provided with mean for the spark gap installation position of spark gap installation and the terminal installation position of current supply cable terminal installation on branch stent, spark gap installation position, terminal installation position and cross-arm distance between any two are all not less than leakage distance.
Branch stent has two or more and is intervally arranged in the horizontal, and the distance between contiguous branch support is not less than described leakage distance.
Branch stent has three and is divided into two that are arranged symmetrically in cross-arm two ends end branch stents and is in a middle branch stent in the middle of cross-arm, and the distance between two ends branch stent with middle branch stent is equal.
The middle part of end branch stent is connected on the end of cross-arm, and the two ends of end branch stent overhang respectively in longitudinal both sides of cross-arm, and holds the spark gap installation position on branch stent and office, terminal installation position on its two projecting end.
Two projecting ends of end branch stent are equal to the distance of cross-arm.
Middle branch stent starts to overhang to longitudinal side from cross-arm, and on middle branch stent in spark gap installation position and terminal installation position a distance to cross-arm equal to another twice to the distance of cross-arm.
Being provided with mean for clip on cross-arm or anchor ear installs and holds fixing two banding holes on utility poles tightly, in two banding holes, at least one is the elongated hole extended transversely.
In the present invention, the technical scheme of cable terminal pole is as follows:
Cable terminal pole, including electric pole and on by electrically propping up the fixing spark gap of support arrangement, cable termination, electrically a support arrangement includes fixing cross-arm on utility poles, cross-arm is fixed with the branch stent extended longitudinally, being provided with mean for the spark gap installation position of spark gap installation and the terminal installation position of current supply cable terminal installation on branch stent, spark gap installation position, terminal installation position and cross-arm distance between any two are all not less than leakage distance.
Branch stent has two or more and is intervally arranged in the horizontal, and the distance between contiguous branch support is not less than described leakage distance.
Spark gap on each branch stent is in same one end, and cable termination is in the relative other end.
In the present invention, spark gap and cable termination are fixed on the branch stent of an electrically support arrangement, so that spark gap and cable termination are disposed in sustained height position, so when carrying out the location arrangements of spark gap and cable termination, electrically prop up the support parts between support arrangement and electric pole without influence on the position between spark gap and cable termination, also allow for the spacing between spark gap and cable termination to be arranged in strict accordance with leakage distance, thus the relative distance shortened between spark gap and cable termination, also the lead wire contraction in length between cable termination and spark gap is allowed for, avoid lead wire by wind, the large-amplitude sloshing that the factor impacts such as sleet occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the cable terminal pole of the present invention;
Fig. 2 is the structural representation of an electrically support arrangement in Fig. 1;
Fig. 3 is the upward view of Fig. 2;
Fig. 4 is the left view of Fig. 2.
Detailed description of the invention
The embodiment of cable terminal pole in the present invention: as shown in Figures 1 to 4, including the electrically support arrangement that electric pole 1 and top thereof are fixing, electrically a support arrangement is mainly made up of cross-arm 21 and branch stent, and cross-arm 21 and branch stent all adopt angle bar.Cross-arm 21 extends transversely, the middle part of cross-arm 21 offers two and holds hole tightly for what anchor ear 5 was installed, cross-arm 21 is held tightly on the periphery being fixed on electric pole 1 by anchor ear 5, and the two hold tightly Kong Zhongyi be circular hole 211, another be the elongated hole 212 extended transversely, this elongated hole 212 can be used for regulating anchor ear 5 and carries out installing and fixing on the electric pole 1 of various outer diameter. branch stent has three, and be divided into two that are arranged symmetrically in cross-arm 21 two ends end branch stents 22 and be in a middle branch stent 23 in the middle of cross-arm 21, middle branch stent 23 and two ends branch stent 22 all extend longitudinally, and the middle part of end branch stent 22 is weldingly fixed on cross-section end, the two ends of end branch stent 22 overhang in longitudinal both sides of cross-arm 21 respectively, two projecting ends are respectively equipped with the terminal installation position 41 that current supply cable terminal 31 is installed and the spark gap installation position 42 installed for spark gap 32, spark gap installation position 42 and terminal installation position 41 offer installing hole respectively that install for spark gap 32 and cable termination 31, middle branch stent 23 is in the centre of two ends branch stent 22, distance between two ends branch stent 22 with middle branch stent 23 is equal, and middle branch stent 23 starts to overhang to its longitudinal side from cross-arm 21, spark gap installation position 42 and terminal installation position 41 on middle branch stent 23 are arranged in longitudinal separation, and branch stent 23 is in the front side of cross-arm 21 in definition, on end branch stent 22 and middle branch stent 23, spark gap 32 is in the rear of cable termination 31. on end branch stent 22, spark gap 32 and cable termination 31 are all not less than respective leakage distance apart from the distance of cross-arm 21, and two places are apart from equal, and the distance between spark gap 32 and cable termination 31 is equal to the leakage distance of twice, on middle branch stent 23, spark gap 32 is to the distance of cross-arm 21 equal to 1/2nd of cable termination 31 to cross-arm 21 distance, and spark gap 32 is all not less than leakage distance to the distance of cross-arm 21 and cable termination 31 to the distance of cross-arm 21.
Cross-arm 21 horizontal positioned in the present embodiment, three branch stents on cross-arm 21 are arranged from left to right successively, three branch stents are all vertical with cross-arm 21, and on three branch stents, it is respectively arranged to install the installing hole of the three-phase terminals of cable and corresponding spark gap 32, and the longitudinal length of three branch stents is all not less than the leakage distance of twice. Being connected each through the mode welded between three branch stents and cross-arm 21, the two ends of two end branch stents 22 are all equal beyond longitudinal both sides of cross-arm 21 and the length that exceeds, are all not less than the leakage distance of a times. Therefore in the present embodiment electrically a support arrangement by cable termination 31 and spark gap 32 in the same plane in be arranged, electrical lead wire length between cable termination 31 and the spark gap 32 in every phase loop is reduced, when solving cable termination 31 and spark gap 32 difference setting height(from bottom), long owing to going between, the excessive two ends connecting bolt caused of amplitude of fluctuation loosens, the problem of connection position heating.
In the above-described embodiments, branch stent two ends are unsettled, a middle branch stent one end is unsettled for two ends, in other embodiments, three branch stents can adopt the structure that one end is unsettled, certainly, the quantity of branch stent can also set according to the number of phases of major loop, and during as adopted four phase loops, branch stent can be selected for four; During quarter-phase circuit, branch stent can be selected for two.
In the above-described embodiments, cross-arm is fixing on utility poles by anchor ear, and in other embodiments, cross-arm can also adopt the form such as diagonal brace, deck fixing on utility poles.
The present invention electrically props up the embodiment of support arrangement: in the present embodiment, the structure of electric wire support device is identical with the structure of electric wire support device in above-described embodiment, therefore repeats no more.
Claims (10)
1. electrically prop up support arrangement, including for the fixing cross-arm extended transversely on utility poles, it is characterized in that, cross-arm is fixed with the branch stent extended longitudinally, being provided with mean for the spark gap installation position of spark gap installation and the terminal installation position of current supply cable terminal installation on branch stent, spark gap installation position, terminal installation position and cross-arm distance between any two are all not less than leakage distance.
2. electric support arrangement according to claim 1, it is characterised in that branch stent has two or more and is intervally arranged in the horizontal, and the distance between contiguous branch support is not less than described leakage distance.
3. electric support arrangement according to claim 2, it is characterized in that, branch stent has three and is divided into two that are arranged symmetrically in cross-arm two ends end branch stents and is in a middle branch stent in the middle of cross-arm, and the distance between two ends branch stent with middle branch stent is equal.
4. electric support arrangement according to claim 3, it is characterized in that, the middle part of end branch stent is connected on the end of cross-arm, the two ends of end branch stent overhang respectively in longitudinal both sides of cross-arm, and hold the spark gap installation position on branch stent and office, terminal installation position on its two projecting end.
5. electric support arrangement according to claim 4, it is characterised in that two projecting ends of end branch stent are equal to the distance of cross-arm.
6. electric support arrangement according to claim 3, it is characterized in that, middle branch stent starts to overhang to longitudinal side from cross-arm, and on middle branch stent in spark gap installation position and terminal installation position a distance to cross-arm equal to another twice to the distance of cross-arm.
7. electric support arrangement as claimed in any of claims 1 to 6, it is characterised in that being provided with mean for clip on cross-arm or anchor ear installs and holds fixing two banding holes on utility poles tightly, in two banding holes, at least one is the elongated hole extended transversely.
8. cable terminal pole, including electric pole and on by electrically propping up the fixing spark gap of support arrangement, cable termination, electrically a support arrangement includes fixing cross-arm on utility poles, it is characterized in that, cross-arm is fixed with the branch stent extended longitudinally, being provided with mean for the spark gap installation position of spark gap installation and the terminal installation position of current supply cable terminal installation on branch stent, spark gap installation position, terminal installation position and cross-arm distance between any two are all not less than leakage distance.
9. cable terminal pole according to claim 8, it is characterised in that branch stent has two or more and is intervally arranged in the horizontal, and the distance between contiguous branch support is not less than described leakage distance.
10. cable terminal pole according to claim 9, it is characterised in that the spark gap on each branch stent is in same one end, cable termination is in the relative other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132267.5A CN105680390B (en) | 2016-03-09 | 2016-03-09 | A kind of cable terminal pole and its electrical support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132267.5A CN105680390B (en) | 2016-03-09 | 2016-03-09 | A kind of cable terminal pole and its electrical support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105680390A true CN105680390A (en) | 2016-06-15 |
| CN105680390B CN105680390B (en) | 2018-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610132267.5A Active CN105680390B (en) | 2016-03-09 | 2016-03-09 | A kind of cable terminal pole and its electrical support device |
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| Country | Link |
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| CN (1) | CN105680390B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019180A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏神马电力股份有限公司 | Cross arm and angle tower and tension support comprising the same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202059106U (en) * | 2011-05-31 | 2011-11-30 | 内蒙古电力勘测设计院 | Cable terminal structure provided with shoulder pole |
| CN203288943U (en) * | 2013-06-19 | 2013-11-13 | 山东电力集团公司潍坊供电公司 | Intelligent switch installing accessory |
| CN203951136U (en) * | 2014-07-03 | 2014-11-19 | 福建永福工程顾问有限公司 | The switching Wiring device of overhead power transmission conducting wire and cable |
| CN204645808U (en) * | 2015-05-27 | 2015-09-16 | 苏文电能科技有限公司 | Bar stepped on by cement pole cable |
| CN204703578U (en) * | 2015-06-12 | 2015-10-14 | 苏文电能科技有限公司 | Bar stepped on by gate framework type cable |
| CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
| CN205377232U (en) * | 2016-03-09 | 2016-07-06 | 国家电网公司 | Cable termination pole and electric strutting arrangement thereof |
-
2016
- 2016-03-09 CN CN201610132267.5A patent/CN105680390B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202059106U (en) * | 2011-05-31 | 2011-11-30 | 内蒙古电力勘测设计院 | Cable terminal structure provided with shoulder pole |
| CN203288943U (en) * | 2013-06-19 | 2013-11-13 | 山东电力集团公司潍坊供电公司 | Intelligent switch installing accessory |
| CN203951136U (en) * | 2014-07-03 | 2014-11-19 | 福建永福工程顾问有限公司 | The switching Wiring device of overhead power transmission conducting wire and cable |
| CN204645808U (en) * | 2015-05-27 | 2015-09-16 | 苏文电能科技有限公司 | Bar stepped on by cement pole cable |
| CN204703578U (en) * | 2015-06-12 | 2015-10-14 | 苏文电能科技有限公司 | Bar stepped on by gate framework type cable |
| CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
| CN205377232U (en) * | 2016-03-09 | 2016-07-06 | 国家电网公司 | Cable termination pole and electric strutting arrangement thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019180A1 (en) * | 2016-07-26 | 2018-02-01 | 江苏神马电力股份有限公司 | Cross arm and angle tower and tension support comprising the same |
| US11283254B2 (en) | 2016-07-26 | 2022-03-22 | Shanghai Shemar Power Engineering Co., Ltd | Cross arm and angle tower and tension tower comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105680390B (en) | 2018-09-14 |
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