CN213585095U - 110 kilovolt double-loop triangular arrangement cable terminal pole - Google Patents
110 kilovolt double-loop triangular arrangement cable terminal pole Download PDFInfo
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- CN213585095U CN213585095U CN202022870698.6U CN202022870698U CN213585095U CN 213585095 U CN213585095 U CN 213585095U CN 202022870698 U CN202022870698 U CN 202022870698U CN 213585095 U CN213585095 U CN 213585095U
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Abstract
The utility model discloses a 110 kilovolt double circuit triangle arrangement cable termination pole, including mobile jib, first cross arm, second cross arm, the mobile jib is sectional type mosaic structure, the vertical setting of mobile jib, and first cross arm is equipped with two at the relative both sides horizontal symmetry on mobile jib top, and a tip between them is fixed with the mobile jib respectively, and every first cross arm below is parallel interval respectively and is equipped with a second cross arm, and a tip of two second cross arms is fixed and on same water flat line with the mobile jib respectively, first cross arm with interval A has between the second cross arm, first cross arm length is greater than second cross arm length. The utility model discloses only set up two-layer wire cross arm, reduced the shaft tower full height by a wide margin, be favorable to having under 220 kilovolt wire, the limited condition of headroom height above furthest's promotion shaft tower to exhale the title height, can improve down the wire height to ground, reduced the possibility of personnel's electrocution casualties, improved the reliability of power equipment operation.
Description
Technical Field
The utility model belongs to the technical field of the power equipment technique and specifically relates to a 110 kilovolt double circuit triangle arrangement cable terminal pole is related to.
Background
With the rapid development of national economy, transmission line channels are increasingly tensed, so that 220 kv and 110 kv co-tower mixed-voltage erection is commonly adopted around a newly-built 220 kv substation, wherein an overhead line is mostly adopted for a 220 kv incoming line of the newly-built substation, and a cable line is mostly adopted for a 110 kv outgoing line. The current commonly adopted wiring mode is as follows: the 110 KV cable is laid below the 220 KV conductor, led to the 110 KV terminal tower, and then lapped to the 220/110 KV mixed-voltage tower through the overhead conductor, and erected on the same tower as the 220 KV line.
Because the common double-loop drum-shaped arrangement cable terminal tower has three layers of wire cross arms, the height of the tower head is higher, and the nominal height of the cable terminal tower is generally lower on the premise of meeting the crossing distance of 220 kilovolt wires above the tower, so that the ground distance of the 110 kilovolt wires is not high, and later-stage operation and maintenance are not utilized. Most of the 110 kV cross arms of the 220/110 kV mixed-voltage tower are arranged in a triangular mode, and the conductor phase transformation is not flexible enough and cannot be directly lapped with the mixed-voltage tangent tower due to the adoption of the ordinary 110 kV drum-shaped arranged cable terminal tower, so that the construction difficulty is increased.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem, the utility model aims at providing a 110 kilovolt double circuit triangle arrangement cable termination pole improves the height to ground of 110 kilovolt wire, makes the wire overlap joint more convenient, guarantees power equipment's safety, steady operation.
The technical scheme is as follows: the utility model provides a 110 kilovolt double circuit triangular arrangement cable termination pole, includes mobile jib, first cross arm, second cross arm, the mobile jib is sectional type mosaic structure, the vertical setting of mobile jib, first cross arm is in the horizontal symmetry in the relative both sides on mobile jib top is equipped with two, a tip between them respectively with the mobile jib is fixed, every first cross arm below parallel interval respectively is equipped with one the second cross arm, two a tip of second cross arm respectively with the mobile jib is fixed and on same water flat line, first cross arm with interval A has between the second cross arm, first cross arm length is greater than second cross arm length.
The first cross arm and the second cross arm are both wire cross arms.
Furthermore, this terminal pole still includes the arrester platform, the arrester platform is in second cross arm below install in on the outer peripheral face of mobile jib.
Preferably, the arrester platform includes an arrester support and a plurality of ac arresters, the arrester support is connected to the outer peripheral surface of the main rod, and the ac arresters are mounted to the arrester support at intervals.
Further, this terminal pole still includes composite insulator cross arm, composite cross arm insulator, the composite insulator cross arm set up in the below of arrester platform and with the mobile jib is connected, composite cross arm insulator is equipped with a plurality ofly install in proper order on the composite insulator cross arm.
Furthermore, this terminal pole still includes the cable termination platform, the cable termination platform set up in composite insulator cross arm below and with the mobile jib is connected.
Preferably, the cable terminal platform comprises a cable terminal support, an outdoor terminal and a cable grounding box, the cable terminal support is connected with the main rod, and the outdoor terminal and the cable grounding box are respectively provided with a plurality of cable grounding boxes which are respectively installed on the cable terminal support at intervals.
Furthermore, this terminal pole still includes cable and draws upper bracket, cable clamp, the cable draws the upper bracket to be equipped with a plurality ofly the below of cable terminal platform is followed the length direction of master lever interval sets gradually and respectively with the master lever is connected, every install respectively on the cable draws the upper bracket the cable clamp.
Furthermore, the terminal rod further comprises a jumper insulator string, the middle part and the other end part of the first cross arm are respectively provided with a first wire hanging point, the other end part of the second cross arm is provided with a second wire hanging point, the jumper insulator strings are multiple, and the jumper insulator strings are respectively connected with the first cross arm or the second cross arm at the first wire hanging point or the second wire hanging point.
Most preferably, the distance A is 3.9m to 4.2 m.
Has the advantages that: compared with the prior art, the utility model has the advantages that: only two layers of wire cross arms are arranged, no ground wire cross arm is arranged, the height of a tower head is reduced by more than 7 meters compared with that of a double-loop terminal pole arranged in a common drum shape, the total height of a tower is greatly reduced, the tower nominal height is favorably improved to the maximum extent under the condition that 220 kilovolt wires are arranged above the tower and the clearance height is limited, and the ground height of a lower wire can be improved; the cable leading-up bracket and the main rod are designed, produced and installed simultaneously, construction is convenient, the surrounding space of the tower body is fully utilized, and no extra land is occupied; meanwhile, the height of the charged part above the cable terminal from the ground is more than 10 meters, so that the possibility of electric shock casualties of people is reduced, and the operation reliability of power equipment is improved.
Drawings
FIG. 1 is a simplified schematic diagram of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic side view of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
The utility model provides a 110 kilovolt double circuit triangle arrangement cable termination pole, as shown in fig. 1-3, including mobile jib 1, first cross arm 2, second cross arm 3, arrester platform, composite insulator cross arm 6, composite cross arm insulator 7, cable termination platform, cable lead-in upper bracket 11, cable clamp 12, jumper wire insulator chain 13.
Mobile jib 1 is sectional type mosaic structure, divide into the multistage and fix in proper order along its axial, and mobile jib 1 is vertical to be set up, and its ground height is about 25.1m, and first cross arm 2 is equipped with two at the relative bilateral horizontal symmetry on mobile jib 1 top, a tip between them respectively with mobile jib 1 is fixed, and the length of first cross arm 2 is about 8.5m, and every 2 below parallel interval of first cross arm is equipped with a second cross arm 3 respectively, and a tip of two second cross arms 3 is fixed and on same water flat line with mobile jib 1 respectively. The length of the second cross arm 3 is about 4m, and a distance A is formed between the first cross arm 2 and the second cross arm 3 and is 3.9-4.2 m.
The arrester platform is installed on the outer peripheral face of mobile jib 1 below second cross arm 3, and about 4m of interval between arrester platform and the second cross arm 3, the arrester platform includes arrester support 4, a plurality of interchange arrester 5, and arrester support 4 is connected with the outer peripheral face of mobile jib 1, sets up in the relative both sides of mobile jib 1, and a plurality of interchange arresters 5 interval are installed on arrester support 4.
Synthetic insulator cross arm 6 sets up in the below of arrester platform and is connected with mobile jib 1, all has to set up one in the relative both sides of mobile jib 1, and the interval is about 3.5m between synthetic insulator cross arm 6 and the arrester platform, and composite cross arm insulator 7 is equipped with a plurality ofly, installs in proper order on synthetic insulator cross arm 6.
Cable termination platform sets up in composite insulator cross arm 6 below and is connected with mobile jib 1, about 3m of interval between cable termination platform and the composite insulator cross arm 6, cable termination platform includes cable termination support 8, outdoor terminal 9, cable earthing box 10, and cable termination support 8 is connected with mobile jib 1, all has to set up one in the relative both sides of mobile jib 1, and outdoor terminal 9, cable earthing box 10 all are equipped with a plurality ofly, install respectively the interval on cable termination support 8.
The cable guide upper brackets 11 are arranged in a plurality of numbers, the cable guide upper brackets are sequentially arranged at intervals along the length direction of the main rod 1 below the cable terminal platform and are respectively connected with the main rod 1, and each cable guide upper bracket 11 is provided with a cable clamp 12.
The middle part and the other end of the first cross arm 2 are respectively provided with a first wire hanging point, the other end of the second cross arm 3 is provided with a second wire hanging point, and the jumper insulator strings 13 are arranged in a plurality and are respectively connected with the first cross arm 2 or the second cross arm 3 at the first wire hanging point or the second wire hanging point. And jumper insulator strings 13 are arranged below the first cross arm 2 and the second cross arm 3, so that the requirement that the minimum gap of the electrified lead to the pole tower component meets can be met, and the electrical connection between the overhead line and the cable is realized.
A circuit is erect respectively to the relative both sides of mobile jib 1, every circuit all holds the triangle and arranges, the lower part of every circuit is power cable 14, lead up support 11 and the cable grip 12 on it along mobile jib 1 upwards extend and reach the cable termination platform through the cable, the upper portion of every circuit is high-conductivity iron core aluminum stranded conductor 15, high-conductivity iron core aluminum stranded conductor 15 passes through outdoor terminal 9 from the cable termination platform and upwards extends along mobile jib 1, connect gradually each part that upwards sets up from the cable termination platform on the mobile jib 1.
The utility model discloses set up two-layer wire cross arm altogether, reduced tower head height, under the limited condition of the full height of shaft tower, can improve the height to ground of 110 kilovolt wires. Every time the wire all holds the triangle and arranges, it is unanimous with most 220/110 kilovolts of mixed voltage shaft tower arrangement mode, the wire overlap joint is convenient, and this cable terminal pole is equipped with integral type cable terminal support, has saved land resource, has reduced the construction investment, has promoted the height of live equipment simultaneously, guarantees power equipment's safety, steady operation effectively.
The terminal pole realizes lightning protection by utilizing the 220 KV ground wire above the pole tower, is not provided with a ground wire cross arm, has the height of the head of the pole tower of only about 4.1m, is reduced by more than 7m compared with a double-loop steel pipe pole arranged in a common drum shape, and greatly reduces the total height of the pole tower. The tower nominal height can be improved to the maximum extent under the condition that 220 KV of wires are arranged above the tower and the clearance height is limited, and the ground height of the lower wires can be improved. The cable leading-up device and the steel pipe rod body are designed, produced and installed simultaneously, construction is convenient, the surrounding space of the tower body is fully utilized, and no extra land is occupied. Meanwhile, the height of the charged part above the cable terminal from the ground is more than 10m, so that the possibility of electric shock casualties of people is reduced, and the operation reliability of power equipment is improved.
Claims (9)
1. The utility model provides a 110 kilovolt double circuit triangle arrangement cable termination pole which characterized in that: including mobile jib, first cross arm, second cross arm, the mobile jib is sectional type mosaic structure, the vertical setting of mobile jib, first cross arm is in the relative both sides horizontal symmetry on mobile jib top is equipped with two, a tip between them respectively with the mobile jib is fixed, every first cross arm below parallel interval respectively is equipped with one the second cross arm, two the tip of second cross arm respectively with the mobile jib is fixed and on same water flat line, first cross arm with interval A has between the second cross arm, first cross arm length is greater than second cross arm length.
2. A 110 kv dual-loop delta arrangement cable termination pole as set forth in claim 1, wherein: still include the arrester platform, the arrester platform is in second cross arm below install in on the outer peripheral face of mobile jib.
3. A 110 kv dual-loop delta arrangement cable termination pole as set forth in claim 2, wherein: the lightning arrester platform comprises a lightning arrester support and a plurality of alternating-current lightning arresters, the lightning arrester support is connected with the outer peripheral face of the main rod, and the alternating-current lightning arresters are installed on the lightning arrester support at intervals.
4. A 110 kv dual-loop delta arrangement cable termination pole as set forth in claim 2, wherein: still include composite insulator cross arm, compound cross arm insulator, the composite insulator cross arm set up in the below of arrester platform and with the mobile jib is connected, compound cross arm insulator is equipped with a plurality ofly install in proper order on the composite insulator cross arm.
5. The 110 kv dual-loop delta arrangement cable termination pole of claim 4, wherein: the composite insulator is characterized by further comprising a cable terminal platform, wherein the cable terminal platform is arranged below the composite insulator cross arm and connected with the main rod.
6. A 110 kv dual-loop delta arrangement cable termination pole according to claim 5, wherein: the cable terminal platform comprises a cable terminal support, an outdoor terminal and a cable grounding box, wherein the cable terminal support is connected with the main rod, the outdoor terminal and the cable grounding box are respectively provided with a plurality of cables which are respectively installed on the cable terminal support at intervals.
7. A 110 kv dual-loop delta arrangement cable termination pole according to claim 5, wherein: still include cable and draw upper bracket, cable clamp, cable draws the upper bracket to be equipped with a plurality ofly the below of cable termination platform is followed the length direction of master jib sets gradually the interval and respectively with the master jib is connected, every install respectively on the cable draws the upper bracket the cable clamp.
8. A 110 kv dual-loop delta arrangement cable termination pole as set forth in claim 1, wherein: the wire jumper insulator string comprises a first cross arm, a second cross arm and a plurality of wire jumper insulator strings, wherein the first wire jumper insulator string is arranged in the middle of the first cross arm, the second wire jumper insulator string is arranged at the other end of the second cross arm, and the first wire jumper insulator string or the second wire jumper insulator string is connected with the first cross arm or the second cross arm at the first wire jumper point or the second wire jumper point.
9. A 110 kv dual-loop delta arrangement cable termination pole as set forth in claim 1, wherein: the distance A is 3.9-4.2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870698.6U CN213585095U (en) | 2020-12-02 | 2020-12-02 | 110 kilovolt double-loop triangular arrangement cable terminal pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870698.6U CN213585095U (en) | 2020-12-02 | 2020-12-02 | 110 kilovolt double-loop triangular arrangement cable terminal pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213585095U true CN213585095U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022870698.6U Active CN213585095U (en) | 2020-12-02 | 2020-12-02 | 110 kilovolt double-loop triangular arrangement cable terminal pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213585095U (en) |
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2020
- 2020-12-02 CN CN202022870698.6U patent/CN213585095U/en active Active
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Effective date of registration: 20230608 Address after: 212004 floor 12-14, No. 90, Zhongshan West Road, Zhenjiang City, Jiangsu Province Patentee after: ZHENJIANG ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 212000 No. 90, Zhongshan West Road, Runzhou District, Zhenjiang City, Jiangsu Province Patentee before: ZHENJIANG ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Patentee before: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. ZHENJIANG POWER SUPPLY BRANCH |