CN114086812B - Double-loop cable terminal tower with switching bearing platform support structure - Google Patents
Double-loop cable terminal tower with switching bearing platform support structure Download PDFInfo
- Publication number
- CN114086812B CN114086812B CN202111338599.6A CN202111338599A CN114086812B CN 114086812 B CN114086812 B CN 114086812B CN 202111338599 A CN202111338599 A CN 202111338599A CN 114086812 B CN114086812 B CN 114086812B
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- cable terminal
- insulator string
- cross arm
- tower body
- bearing platform
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- 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
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
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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
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a double-loop cable terminal tower with a switching bearing platform bracket structure, which comprises a tower body, wherein a ground wire cross arm, an upper cross arm, a middle cross arm and a lower cross arm are sequentially fixed on the tower body from top to bottom along the height direction of the tower body, a cable terminal bearing platform is arranged below the lower cross arm, and a first cable terminal, a second cable terminal, a third cable terminal, a first lightning arrester, a second lightning arrester, a third lightning arrester and a grounding box are respectively arranged on the cable terminal bearing platform; the ground wire cross arm, the upper cross arm, the middle cross arm, the lower cross arm and the cable terminal bearing platform are symmetrically arranged in two groups along the left side and the right side of the tower body respectively. According to the technical scheme, the cable terminal bearing platform which is integrally formed with the tower body is arranged and is directly connected to the tower leg through the lower support rod, so that the cable terminal bearing platform is stable in structure, good in bearing effect, capable of saving occupied space, reducing consumption of construction materials and accessories, saving manpower and material resources and more convenient for daily maintenance work.
Description
Technical Field
The invention relates to the technical field of power grid laying, in particular to a double-loop cable terminal tower with a switching bearing platform bracket structure.
Background
Along with the acceleration of the urban process, the road traffic and urban construction efficiency are increased, the road traffic and urban construction efficiency are influenced by the consumption of economic energy, the electric power supply is tension, the electricity consumption is generated when the gate is pulled out and limited, the demand of the electric power is also increased, and the planning and reconstruction of the power grid conveying line are urgent. With the gradual development of urban land and the advancement of municipal construction, urban land resources are becoming more and more intense, and in order to meet the requirements of urban power supply networks and be influenced by the aspects of topography, urban overhead high-voltage lines must be combined with cable lines, wherein a cable terminal tower plays a key role in switching between the overhead lines and the cable lines.
Currently, there are roughly three ways in which conventional cable termination arrangements are: the cable terminal is installed on ground stand, and the cable terminal is installed in tower head cross arm department and cable terminal installs on the tower body cable terminal cushion cap. Wherein: the mode that the cable terminal is arranged on the ground upright post not only occupies a large area, but also is exposed and easy to touch, and other electrical equipment such as the high-voltage cable terminal can threaten personal safety and equipment safety; the cable terminal is arranged at the cross arm of the tower head, and the power supply requirement cannot be met in a power transmission line with a voltage level of 110kV and above; when the cable terminal is installed on the tower body cable terminal bearing platform, a special equipment bearing platform support is arranged, so that the safety of personnel and equipment is effectively guaranteed, but the existing bearing platform support adopts an additional fixed support or a bearing platform support independent of a tower leg, so that the defects of increased occupied area, complex construction and insufficient bearing platform supporting capability are caused.
Disclosure of Invention
The invention aims to overcome the defects and provide the double-loop cable terminal tower with the switching bearing platform bracket structure, which has the advantages of good structural stability, convenience in installation, small occupied space, convenience in maintenance personnel to mount the tower for maintenance operation and the like, and can effectively solve the problem of switching of a cable terminal.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the ground wire cross arm, the upper cross arm, the middle cross arm and the lower cross arm are sequentially fixed on the tower body from top to bottom along the height direction of the tower body, a cable terminal bearing platform is arranged below the lower cross arm, and a first cable terminal, a second cable terminal, a third cable terminal, a first lightning arrester, a second lightning arrester, a third lightning arrester and a grounding box are respectively arranged on the cable terminal bearing platform; the ground wire cross arm, the upper cross arm, the middle cross arm, the lower cross arm and the cable terminal bearing platform are symmetrically arranged along the left side and the right side of the tower body respectively;
the end part of the ground wire cross arm far away from the tower body is provided with a ground wire strain insulator string along the wiring direction; the upper cross arm is provided with a first wire strain insulator string along the wiring direction at the end far away from the tower body, and is also provided with a first jumper insulator string arranged in the vertical direction at the end far away from the tower body; the middle cross arm is provided with a second wire tension insulator string and a first pillar insulator string along the wiring direction at the end part far away from the tower body, the second wire tension insulator string and the first pillar insulator string are respectively positioned at two sides of the width direction of the middle cross arm, and the end part far away from the tower body is also provided with a second jumper insulator string arranged in the vertical direction; the lower cross arm is provided with a third wire tension insulator string and a second post insulator string along the wiring direction at the end part far away from the tower body, the third wire tension insulator string and the second post insulator string are respectively positioned at two sides of the width direction of the lower cross arm, and the end part far away from the tower body is also provided with a third post insulator string vertical to the wiring direction;
the wiring end of the ground wire tension insulator string is connected with the ground wire; the wiring end of the first wire tension insulator string is connected with the first overhead wire, and the wiring end of the first wire tension insulator string is also connected with the first jumper insulator string, the first post insulator string and the second post insulator string in sequence through drainage wires and then connected with the first cable terminal; the wiring end of the second wire tension insulator string is connected with a second overhead wire, and the wiring end of the second wire tension insulator string is also connected with a second jumper insulator string and a third post insulator string in sequence through a drainage wire and then connected with a second cable terminal; the wiring end of the third wire strain insulator string is connected with a third overhead wire, and the wiring end of the third wire strain insulator string is also connected with a third cable terminal through a drainage wire;
the drainage wire between the second pillar insulator string and the first cable terminal is branched to the first lightning arrester through the hook clamp, the drainage wire between the third pillar insulator string and the second cable terminal is branched to the second lightning arrester through the hook clamp, and the drainage wire between the third wire strain insulator string and the third cable terminal is branched to the third lightning arrester through the hook clamp;
the cable terminal bearing platform is connected with the tower feet at the lower part of the tower body through the lower support rod, and the cable terminal bearing platform is provided with protective fences at the non-tower body side;
the first cable terminal, the second cable terminal and the third cable terminal are respectively fixed on the cable terminal bearing platform through first brackets, and the first lightning arrester, the second lightning arrester and the third lightning arrester are respectively fixed on the cable terminal bearing platform through second brackets;
the lower parts of the first cable terminal, the second cable terminal and the third cable terminal are respectively connected with a cable, and the cables are led into the lower support rod along the table top of the cable terminal bearing platform after passing through the first bracket and then led into the ground along the lower support rod;
the cable and the lower support rod are locked through a fixed wire hoop, and a hollow cable protection sleeve is arranged at the tail end of the cable.
According to the technical scheme, the cable terminal bearing platform which is integrally formed with the tower body is arranged and is directly connected to the tower leg through the lower support rod, so that the cable terminal bearing platform is stable in structure, good in bearing effect, capable of saving occupied space, reducing consumption of construction materials and accessories, saving manpower and material resources and more convenient for daily maintenance work.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1;
fig. 3 is an enlarged view of a portion B of fig. 1.
The marks in the above figures are: the tower body 1, the ground wire cross arm 2, the ground wire tension insulator string 21, the upper cross arm 3, the first wire tension insulator string 31, the first jumper insulator string 32, the middle cross arm 4, the second wire tension insulator string 41, the first post insulator string 42, the second jumper insulator string 43, the lower cross arm 5, the third wire tension insulator string 51, the second post insulator string 52, the third post insulator string 53, the cable termination cap 6, the protective fence 60, the first cable termination 61, the second cable termination 62, the third cable termination 63, the first lightning arrester 64, the second lightning arrester 65, the third lightning arrester 66, the ground box 67, the first bracket 68, the second bracket 69, the lower support rod 7, the cable 8, the cable protective jacket 81, the fixed wire ferrule 9, the ground wire 10, the first overhead conductor 20, the second overhead conductor 30, and the third overhead conductor 40.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the double-loop cable terminal tower with the switching bearing platform bracket structure as shown in fig. 1, 2 and 3 comprises a tower body 1, wherein a ground wire cross arm 2, an upper cross arm 3, a middle cross arm 4 and a lower cross arm 5 are sequentially fixed on the tower body 1 from top to bottom along the height direction of the tower body, a cable terminal bearing platform 6 is arranged below the lower cross arm 5, and a first cable terminal 61, a second cable terminal 62, a third cable terminal 63, a first lightning arrester 64, a second lightning arrester 65, a third lightning arrester 66 and a grounding box 67 are respectively arranged on the cable terminal bearing platform 6; the ground wire cross arm 2, the upper cross arm 3, the middle cross arm 4, the lower cross arm 5 and the cable terminal bearing platform 6 are respectively and symmetrically arranged in two groups along the left side and the right side of the tower body 1.
The ground wire cross arm 2 is provided with a ground wire tension insulator string 21 along the wiring direction at the end far away from the tower body 1, the upper cross arm 3 is provided with a first wire tension insulator string 31 along the wiring direction at the end far away from the tower body 1, and the upper cross arm 3 is also provided with a first jumper insulator string 32 arranged in the vertical direction at the end far away from the tower body; the middle cross arm 4 is provided with a second wire tension insulator string 41 and a first post insulator string 42 along the wiring direction at the end far from the tower body 1, the second wire tension insulator string 41 and the first post insulator string 42 are respectively positioned at two sides of the middle cross arm 4 in the width direction, and the middle cross arm 4 is also provided with a second jumper insulator string 43 arranged in the vertical direction at the end far from the tower body 1; the lower cross arm 5 is provided with a third wire strain insulator string 51 and a second post insulator string 52 along the wiring direction at the end far from the tower body 1, the third wire strain insulator string 51 and the second post insulator string 52 are respectively positioned at two sides of the width direction of the lower cross arm 5, and the lower cross arm 5 is also provided with a third post insulator string 53 perpendicular to the wiring direction at the end far from the tower body 1. Specifically, the ground wire strain insulator string 21, the first wire strain insulator string 31, the second wire strain insulator string 41, and the third wire strain insulator string 51 are all located on the same side, are all horizontally arranged along the wiring direction, and are perpendicular to the tower body 1. The first jumper insulator string 32 and the second jumper insulator string 43 are located on the same side and are vertically arranged perpendicular to the wiring direction. The first post insulator string 42 and the second post insulator string 52 are located on the same side, are horizontally arranged along the wiring direction, and are perpendicular to the tower body 1. The third post insulator string 53 is perpendicular to the wiring direction and is in a horizontal position.
The wiring end of the ground wire strain insulator string 21 is connected with the ground wire 10, and the ground wire 10 needs to be insulated from the tower body; the wiring end of the first wire tension insulator string 31 is connected with the first overhead wire 20, and the wiring end of the first wire tension insulator string 31 is further connected with the first jumper insulator string 32, the first post insulator string 42 and the second post insulator string 52 in sequence through drainage wires and then connected with the first cable terminal 61; the wiring end of the second wire strain insulator string 41 is connected with the second overhead wire 30, and the wiring end of the second wire strain insulator string 41 is also connected with the second jumper insulator string 43 and the third post insulator string 53 in sequence through a drainage wire and then connected with the second cable terminal 62; the terminal of the third wire strain insulator string 51 is connected to the third overhead wire 40 and the terminal of the third wire strain insulator string 51 is also connected to the third cable termination 63 via a drain wire. Preferably, the drainage wires and the overhead conductors are made of the same material, so that the conductive connection between the drainage wires and the overhead conductors can be better achieved.
The drainage between the second post insulator string 52 and the first cable terminal 61 branches to the first lightning arrester 64 through the hook clamp, the drainage between the third post insulator string 53 and the second cable terminal 62 branches to the second lightning arrester 65 through the hook clamp, and the drainage between the third wire strain insulator string 51 and the third cable terminal 63 branches to the third lightning arrester 66 through the hook clamp.
Further, the cable terminal bearing platform 6 is connected with the tower foot at the lower part of the tower body 1 through the lower supporting rod 7, and the cable terminal bearing platform 6 is provided with a protective fence 60 at the non-tower body side. Preferably, the guard rail 60 is made of a high strength insulating material.
Further, the first cable terminal 61, the second cable terminal 62 and the third cable terminal 63 are respectively fixed on the cable terminal bearing platform 6 through the first bracket 68, and the first bracket 68 is used for lifting the positions of the cable terminals, so that the cable 8 and the cable terminals are ensured to be kept in a vertical state. The first lightning arrester 64, the second lightning arrester 65 and the third lightning arrester 66 are respectively fixed on the cable terminal bearing platform 6 through a second bracket 69.
Further, the lower parts of the first cable terminal 61, the second cable terminal 62 and the third cable terminal 63 are respectively connected with a cable 8, the cable 8 is led into the lower support rod 7 along the table top of the cable terminal bearing platform 6 after passing through the first bracket 68, and then is led into the ground along the lower support rod 7, and the lower support rod 7 is made of angle steel rods.
Further, the cable 8 and the lower support rod 7 are locked through a fixed wire hoop 9, and a hollow cable protection sleeve 81 is arranged at the tail end of the cable 8. Specifically, the two ends of the cable protecting sleeve 81 are tightly plugged by adopting cable plugging materials, and the cable protecting sleeve 81 plays a role in protecting a cable transmission circuit. The cable protecting sleeve 81, each cable terminal and each lightning arrester should be grounded, and share one grounding device with the tower body, the grounding box 67 is located on the cable terminal bearing platform 6, and plays a role in grounding protection on the whole cable terminal tower, each cable terminal and the circuit.
The invention has the beneficial effects that:
1) Compared with an independent separated bearing platform type cable terminal tower, the cable terminal bearing platform disclosed by the invention has the advantages that the occupied space is saved, the consumption of construction materials and accessories is reduced, and the manpower and material resources are saved.
2) The cable terminal bearing platform is arranged above the tower legs of the tower body and far away from the ground, and is safer than a ground support column switching mode for switching the cable terminal.
3) The cable terminal bearing platform is directly connected to the bottom of the tower leg through the lower support rod, so that the bearing capacity transmission is more effective and direct, the whole structure of the bearing platform is more stable, a better bearing effect can be achieved, and the daily maintenance work is more convenient.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (1)
1. A double-loop cable terminal tower with a switching bearing platform support structure is characterized in that: the novel high-voltage power generation tower comprises a tower body (1), wherein a ground wire cross arm (2), an upper cross arm (3), a middle cross arm (4) and a lower cross arm (5) are sequentially fixed on the tower body (1) from top to bottom along the height direction of the tower body, a cable terminal bearing platform (6) is arranged below the lower cross arm (5), and a first cable terminal (61), a second cable terminal (62), a third cable terminal (63), a first lightning arrester (64), a second lightning arrester (65), a third lightning arrester (66) and a grounding box (67) are respectively arranged on the cable terminal bearing platform (6); the ground wire cross arm (2), the upper cross arm (3), the middle cross arm (4), the lower cross arm (5) and the cable terminal bearing platform (6) are symmetrically arranged along the left side and the right side of the tower body (1) respectively;
the end part of the ground wire cross arm (2) far away from the tower body (1) is provided with a ground wire tension insulator string (21) along the wiring direction; the upper cross arm (3) is provided with a first wire tension insulator string (31) along the wiring direction at the end far away from the tower body (1), and the end far away from the tower body of the upper cross arm (3) is also provided with a first jumper insulator string (32) arranged in the vertical direction; the middle cross arm (4) is provided with a second wire tension insulator string (41) and a first pillar insulator string (42) along the wiring direction at the end part far away from the tower body (1), the second wire tension insulator string (41) and the first pillar insulator string (42) are respectively positioned at two sides of the width direction of the middle cross arm (4), and the end part far away from the tower body (1) of the middle cross arm (4) is also provided with a second jumper insulator string (43) arranged in the vertical direction; the lower cross arm (5) is provided with a third wire tension insulator string (51) and a second post insulator string (52) along the wiring direction at the end part far away from the tower body (1), the third wire tension insulator string (51) and the second post insulator string (52) are respectively positioned at two sides of the width direction of the lower cross arm (5), and the end part far away from the tower body (1) is also provided with a third post insulator string (53) perpendicular to the wiring direction;
the wiring end of the ground wire tension insulator string (21) is connected with the ground wire (10); the wiring end of the first wire tension insulator string (31) is connected with the first overhead wire (20), and the wiring end of the first wire tension insulator string (31) is further connected with the first jumper insulator string (32), the first pillar insulator string (42) and the second pillar insulator string (52) in sequence through drainage wires and then connected with the first cable terminal (61); the wiring end of the second wire tension insulator string (41) is connected with the second overhead wire (30), and the wiring end of the second wire tension insulator string (41) is also connected with the second jumper insulator string (43) and the third post insulator string (53) in sequence through a drainage wire and then connected with the second cable terminal (62); the wiring end of the third wire tension insulator string (51) is connected with the third overhead wire (40), and the wiring end of the third wire tension insulator string (51) is also connected with a third cable terminal (63) through a drainage wire;
the drainage wire between the second pillar insulator string (52) and the first cable terminal (61) branches to the first lightning arrester (64) through a hook clamp, the drainage wire between the third pillar insulator string (53) and the second cable terminal (62) branches to the second lightning arrester (65) through a hook clamp, and the drainage wire between the third wire tension insulator string (51) and the third cable terminal (63) branches to the third lightning arrester (66) through a hook clamp;
the cable terminal bearing platform (6) is connected with the tower leg at the lower part of the tower body (1) through a lower supporting rod (7), and the cable terminal bearing platform (6) is provided with protective fences (60) at the non-tower body side;
the first cable terminal (61), the second cable terminal (62) and the third cable terminal (63) are respectively fixed on the cable terminal bearing platform (6) through a first bracket (68), and the first lightning arrester (64), the second lightning arrester (65) and the third lightning arrester (66) are respectively fixed on the cable terminal bearing platform (6) through a second bracket (69);
the lower parts of the first cable terminal (61), the second cable terminal (62) and the third cable terminal (63) are respectively connected with a cable (8), and the cables (8) are led into the lower support rod (7) along the table top of the cable terminal bearing platform (6) after passing through the first bracket (68) and are led into the ground along the lower support rod (7);
the cable (8) and the lower supporting rod (7) are locked through a fixed wire hoop (9), and a hollow cable protecting sleeve (81) is arranged at the tail end of the cable (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338599.6A CN114086812B (en) | 2021-11-12 | 2021-11-12 | Double-loop cable terminal tower with switching bearing platform support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338599.6A CN114086812B (en) | 2021-11-12 | 2021-11-12 | Double-loop cable terminal tower with switching bearing platform support structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114086812A CN114086812A (en) | 2022-02-25 |
| CN114086812B true CN114086812B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111338599.6A Active CN114086812B (en) | 2021-11-12 | 2021-11-12 | Double-loop cable terminal tower with switching bearing platform support structure |
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| CN (1) | CN114086812B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696283A (en) * | 2022-04-01 | 2022-07-01 | 金华电力设计院有限公司 | Adopt two return circuit cable T to connect and draw shaft tower arrangement structure down |
| CN117239657A (en) * | 2023-11-14 | 2023-12-15 | 中国电建集团河北省电力勘测设计研究院有限公司 | 220kV single-loop double-cable terminal tower mounting structure of offshore wind farm |
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| CN203536901U (en) * | 2013-10-29 | 2014-04-09 | 东莞电力设计院 | Cable terminal pole down leading device |
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| RU2667945C1 (en) * | 2017-10-12 | 2018-09-25 | Публичное акционерное общество "Федеральная сетевая компания Единой энергетической системы" | Two-chain intermediate support and overhead line with such support |
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| CN109779373A (en) * | 2019-01-31 | 2019-05-21 | 中国能源建设集团天津电力设计院有限公司 | A kind of cable terminal pole returned in doublecircuit lines on the same tower transmission line of electricity for cut one |
| CN209626915U (en) * | 2019-01-31 | 2019-11-12 | 中国能源建设集团天津电力设计院有限公司 | One kind directly drawing following formula double back cable terminal pole |
| CN209924551U (en) * | 2019-03-18 | 2020-01-10 | 国核电力规划设计研究院有限公司 | Double-loop cable terminal tower |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203536901U (en) * | 2013-10-29 | 2014-04-09 | 东莞电力设计院 | Cable terminal pole down leading device |
| CN205509438U (en) * | 2016-04-08 | 2016-08-24 | 中国能源建设集团江苏省电力设计院有限公司 | Device is down drawn at four loop cable terminals |
| RU2667945C1 (en) * | 2017-10-12 | 2018-09-25 | Публичное акционерное общество "Федеральная сетевая компания Единой энергетической системы" | Two-chain intermediate support and overhead line with such support |
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| CN109779373A (en) * | 2019-01-31 | 2019-05-21 | 中国能源建设集团天津电力设计院有限公司 | A kind of cable terminal pole returned in doublecircuit lines on the same tower transmission line of electricity for cut one |
| CN209626915U (en) * | 2019-01-31 | 2019-11-12 | 中国能源建设集团天津电力设计院有限公司 | One kind directly drawing following formula double back cable terminal pole |
| CN209924551U (en) * | 2019-03-18 | 2020-01-10 | 国核电力规划设计研究院有限公司 | Double-loop cable terminal tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114086812A (en) | 2022-02-25 |
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