CN212478731U - Three-loop cable terminal iron tower with high-altitude area maintenance platform - Google Patents
Three-loop cable terminal iron tower with high-altitude area maintenance platform Download PDFInfo
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- CN212478731U CN212478731U CN202020317257.0U CN202020317257U CN212478731U CN 212478731 U CN212478731 U CN 212478731U CN 202020317257 U CN202020317257 U CN 202020317257U CN 212478731 U CN212478731 U CN 212478731U
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Abstract
The utility model relates to the technical field of power transmission and transformation, in particular to a three-loop cable terminal iron tower with a high-altitude area maintenance platform, which comprises a tower body, wherein the top of the tower body is provided with a sixth layer of cross arms for erecting ground wires; the phase jumper wire brackets in the first loop circuit are arranged at the top of the tower body and are arranged along the sixth layer of cross arms; hanging points in the first loop are arranged on the tower body below the sixth layer of cross arms; the fifth layer cross arm is arranged below the hanging point in the first loop; the fourth layer cross arm is arranged below the fifth layer cross arm; the cable terminal maintenance platform of the first loop is arranged on the outer side of the fourth layer of cross arm in parallel and is connected with the tower body through a connecting part; the upper layer lead down brackets of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform of the first loop. The utility model discloses can solve three return circuit cable termination tower wires in high altitude area and draw difficult problem, solve equipment such as cable termination and arrester and installed the problem that the operation overhauld the difficulty on the cable termination pole.
Description
Technical Field
The utility model relates to a power transmission and transformation technical field, in particular to cable termination iron tower.
Background
At present, with the requirements of power corridors and related line planning, the use of multi-loop iron towers is more frequent, and in cable lines, multiple loops are often laid in the same tunnel. Among the prior art, the linking of overhead line and cable run: in the past three-loop cable terminal tower, a cable can be led down only by installing a cable terminal and a lightning arrester on a wire cross arm at the top of an iron tower, or the three-loop overhead line is changed into a cable line by dividing the three-loop overhead line into three single loops or a double loop and a single loop. The first mode has increased the degree of difficulty that cable terminal and arrester were under construction, were overhauld and were moved, and the second mode is owing to need keep certain distance with the single return circuit or the two return circuit cable terminal towers after separating, has increased overhead line corridor width promptly, has increased cable body length again. The operation and maintenance work of the 110kV cable is roughly divided into live detection and routine tests. The charged detection mainly comprises: cable power cable infrared thermal imaging, ultraviolet discharge, grounding system circulation detection and other items; the routine tests mainly comprise: the method comprises a main insulation resistance test, a main insulation alternating current voltage withstand test, a sheath insulation resistance test, a sheath voltage withstand test, a sheath protector, a cross interconnection system direct current voltage withstand test, a lightning arrester direct current reference voltage and leakage current test, a lightning arrester base insulation resistance test and the like. The routine test project of the 110kV power cable is carried out in a power failure mode, the operation needs to be carried out on the cable body, the intermediate joint and the terminal, the position of the tower terminal is high in the operation carried out on the terminal, and an overhauling platform is not arranged, so that the operation difficulty is high, and the operation risk is high.
Disclosure of Invention
The utility model provides a three return circuit cable termination iron towers of platform are overhauld in area. In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a three return circuit cable termination iron tower of platform is overhauld in high altitude area district, includes three return circuit cable termination tower body, its characterized in that: a sixth layer of cross arms are arranged at the top of the tower body of the three-loop cable terminal tower and used for erecting ground wires; the phase jumper wire support in the first loop circuit is arranged at the top of the tower body of the three-loop cable terminal tower and is arranged along a sixth layer of cross arms; hanging points in the first loop are arranged on a tower body of a three-loop cable terminal tower below a sixth layer of cross arm; the fifth layer cross arm is arranged below the hanging point in the first loop; the fourth layer cross arm is arranged below the fifth layer cross arm; the cable terminal maintenance platform of the first loop is arranged on the outer side of the fourth layer of cross arm in parallel and is connected with the tower body of the three-loop cable terminal tower through a connecting part; the upper-layer lead down brackets of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform of the first loop; the third layer of cross arms are arranged below the fourth layer of cross arms; the second layer of cross arms are arranged below the third layer of cross arms; the second and third loop cable maintenance platforms are positioned below the second layer of cross arm; the cable inspection and maintenance platform comprises a first loop cable inspection and maintenance platform body, a second loop cable inspection and maintenance platform body, a third loop cable inspection and maintenance.
Preferably, the sixth layer of cross arms are fixedly connected with the tower body of the three-loop cable terminal tower through bolts and are used for hanging a ground wire and a jumper string; and the phase jumper wire support in the first loop circuit is arranged at the top of the tower body of the three-loop cable terminal tower, is arranged along a sixth layer of cross arm method and is used for hanging a strain insulator string.
Preferably, the hanging point in the first loop is arranged on a tower body of a three-loop cable terminal tower below the sixth layer of cross arm and used for hanging the wire tension string.
Preferably, the fifth-layer cross arm is arranged below a hanging point in the first loop, is connected to a tower body of the three-loop cable terminal tower through bolts, and is used for hanging a first loop lead strain insulator string and a first loop lead jumper string.
Preferably, the fourth layer of cross arm is arranged below the fifth layer of cross arm, is connected to the tower body of the three-loop cable terminal tower through bolts, and is used for hanging the conductor strain insulator string and the jumper string on the second loop and the third loop; the cable terminal maintenance platform of the first loop is arranged on the outer side of the fourth layer of cross arm in parallel, is connected with the tower body of the three-loop cable terminal tower through a connecting part and is used for arranging a cable terminal and a lightning arrester; and the upper-layer lead down brackets of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform of the first loop and used for hanging a strain insulator string.
Preferably, the third-layer cross arm is arranged below the fourth-layer cross arm, is connected with the tower body of the three-loop cable terminal tower through bolts, and is used for hanging phase conductor strain insulator strings and strain insulator strings in the second loop and the third loop.
Preferably, the second-layer cross arm is arranged below the third-layer cross arm, is connected with the tower body of the three-loop cable terminal tower through bolts, and is used for hanging the conductor strain insulator-string under the second loop and the third loop.
Preferably, the second and third loop cable maintenance platforms are located below the second layer cross arm, connected with the tower body of the third loop cable terminal tower through bolts, and used for arranging the cable terminals and the lightning arresters of the second and third loops; and lead down hanging point brackets are arranged at the end parts of the second loop cable maintenance platform and the third loop cable maintenance platform and are used for hanging lead tension strings led down from upper lead down brackets of the second layer cross arm, the third layer cross arm and the fourth layer second loop cable maintenance platform and the third loop cable maintenance platform.
Preferably, the first loop cable down-leading support is arranged along the tower body of the three-loop cable terminal tower from the fourth layer of cross arm and is fixed on the tower body of the three-loop cable terminal tower through bolts, so that the first loop cable can be conveniently fixed on the tower body by utilizing a cable clamp; the second and third loop cable lower-leading brackets are arranged below the second and third loop cable maintenance platforms and fixed on the tower body of the three-loop cable terminal tower through bolts, so that the second and third loop cables can be conveniently fixed on the tower body by utilizing a cable clamp.
Preferably, the grounding box mounting frame is arranged at a tower foot of the tower body of the three-circuit cable termination tower and used for fixing the first, second and third grounding boxes.
The utility model discloses a three return circuit overhead line and three return circuit cable run's orderly connection have avoided post insulator's use, have reduced the engineering construction degree of difficulty and cost, and the installation of equipment such as the cable termination of being convenient for, arrester, grounding box has also made things convenient for the fortune to examine personnel and maintain, experimental the maintenance to equipment such as cable termination and arrester operation in the later stage to the safety of personnel is examined in the fortune has been considered, makes the cable effectively fixed. The repair of the cable is facilitated after the line fault.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a front view of a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a left side view of the structure of an embodiment of the present invention;
fig. 4 is a sixth layer schematic top view according to an embodiment of the present invention;
fig. 5 is a fifth layer schematic top view according to an embodiment of the present invention;
fig. 6 is a fourth layer schematic top view according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a third layer of the top view structure of an embodiment of the present invention;
fig. 8 is a second layer schematic top view of an embodiment of the present invention;
fig. 9 is a first layer schematic top view according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model provides a three return circuit cable termination iron tower of platform is overhauld in high altitude area district, includes three return circuit cable termination tower body (1), its characterized in that: a sixth layer of cross arms (2) are arranged at the top of the tower body (1) of the three-loop cable terminal tower, and the sixth layer of cross arms (2) are used for erecting ground wires; the phase jumper wire support (3) in the first loop circuit is arranged at the top of the tower body (1) of the three-loop cable terminal tower and is arranged along the sixth layer of cross arms (2); the hanging point (4) in the first loop is arranged on a tower body (1) of the three-loop cable terminal tower below the sixth layer of cross arm (2); the fifth layer cross arm (5) is arranged below the hanging point (4) in the first loop; the fourth layer cross arm (6) is arranged below the fifth layer cross arm (5); the cable terminal overhaul platform (7) of the first loop is arranged on the outer side of the fourth layer of cross arm (6) in parallel and is connected with the tower body (1) of the three-loop cable terminal tower through a connecting part; the upper-layer lead down brackets (8) of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform (7) of the first loop; the third layer of cross arms (9) is arranged below the fourth layer of cross arms (6); the second layer of cross arms (10) is arranged below the third layer of cross arms (9); the second and third loop cable maintenance platforms (11) are positioned below the second layer of cross arms (10); the cable inspection and maintenance platform comprises a second loop cable inspection and maintenance platform body, a third loop cable inspection.
Preferably, the sixth layer of cross arm (2) is fixed on the tower body (1) side of the three-loop cable terminal tower through bolt connection and is used for hanging a ground wire and a jumper string (16); and the phase jumper wire support (3) in the first loop circuit is arranged at the top of the tower body (1) of the three-loop cable terminal tower and is arranged along the sixth layer of cross arms (2) in a phase manner and used for hanging a strain insulator string (21).
And the first loop middle hanging point (4) is arranged on a tower body (1) of the three-loop cable terminal tower below the sixth layer cross arm 2 and is used for hanging a lead strain insulator string (17).
And the fifth layer cross arm (5) is arranged below a hanging point (4) in the first loop and is connected to the tower body (1) of the three-loop cable terminal tower through bolts and is used for hanging a first loop wire strain insulator string (17) and a first loop wire jumper string (18).
The fourth layer of cross arms (6) are arranged below the fifth layer of cross arms (5), are connected to the tower body (1) of the three-loop cable terminal tower through bolts and are used for hanging the lead strain insulator strings (17) and the jumper strings (16) on the second loop and the third loop; the cable terminal overhauling platform (7) of the first loop is arranged on the outer side of the fourth layer of cross arm (6) in parallel, is connected with the tower body (1) of the three-loop cable terminal tower through a connecting part and is used for arranging a cable terminal (19) and a lightning arrester (20); and the upper-layer lead down brackets (8) of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform (7) of the first loop and used for hanging a strain insulator string (21).
And the third-layer cross arm (9) is arranged below the fourth-layer cross arm (6), is connected with the tower body (1) of the three-loop cable terminal tower through bolts and is used for hanging phase conductor strain insulator strings (17) and strain insulator strings (21) in the second loop and the third loop.
The second layer of cross arms (10) are arranged below the third layer of cross arms (9), are connected with the tower body (1) of the three-loop cable terminal tower through bolts and are used for hanging the lower phase conductor strain insulator-string (17) of the second loop and the third loop.
The second and third loop cable maintenance platforms (11) are positioned below the second layer of cross arm (10), are connected with the tower body (1) of the third loop cable terminal tower through bolts, and are used for arranging cable terminals (19) and lightning arresters (20) of the second and third loops; and lead-down hanging point supports (12) are arranged at the end parts of the second and third loop cable maintenance platforms (11) and are used for hanging strain insulator strings (21) led down from upper lead-down supports (8) of a second layer cross arm (10), a third layer cross arm (9) and a fourth layer second and third loop.
The first loop cable down-leading support (13) is arranged along the three-loop cable terminal tower body (1) from the fourth layer of cross arm (6) and is fixed on the three-loop cable terminal tower body (1) through bolts, so that the first loop cable can be conveniently fixed on the tower body by utilizing a cable clamp; the second and third loop cable leading-down supports (14) are arranged below the second and third loop cable maintenance platform (11) and fixed on the tower body (1) of the three-loop cable terminal tower through bolts, so that the second and third loop cables can be conveniently fixed on the tower body by utilizing a cable clamp.
Furthermore, the grounding box mounting frame (15) is arranged at the tower foot of the tower body (1) of the three-loop cable terminal tower and used for fixing the first, second and third grounding boxes.
To sum up, the utility model discloses a technical scheme can solve three return circuit cable termination tower wires in high altitude area and draw difficult problem, has solved equipment such as cable termination and arrester and has installed the operation on the cable termination pole and overhaul the problem of difficulty.
Claims (9)
1. The utility model provides a three return circuit cable termination iron tower of platform is overhauld in high altitude area district, includes three return circuit cable termination tower body (1), its characterized in that: a sixth layer of cross arms (2) are arranged at the top of the tower body (1) of the three-loop cable terminal tower, and the sixth layer of cross arms (2) are used for erecting ground wires; the phase jumper wire support (3) in the first loop circuit is arranged at the top of the tower body (1) of the three-loop cable terminal tower and is arranged along the sixth layer of cross arms (2) in a normal phase manner; the hanging point (4) in the first loop is arranged on a tower body (1) of the three-loop cable terminal tower below the sixth layer of cross arm (2); the fifth layer cross arm (5) is arranged below the hanging point (4) in the first loop; the fourth layer cross arm (6) is arranged below the fifth layer cross arm (5); the cable terminal overhaul platform (7) of the first loop is arranged on the outer side of the fourth layer of cross arm (6) in parallel and is connected with the tower body (1) of the three-loop cable terminal tower through a connecting part; the upper-layer lead down brackets (8) of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform (7) of the first loop; the third layer of cross arms (9) is arranged below the fourth layer of cross arms (6); the second layer of cross arms (10) is arranged below the third layer of cross arms (9); the second and third loop cable maintenance platforms (11) are positioned below the second layer of cross arms (10); the cable inspection and maintenance platform comprises a second loop cable inspection and maintenance platform body, a third loop cable inspection.
2. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: the sixth layer of cross arms (2) are fixedly connected to the tower body (1) side of the three-loop cable terminal tower through bolts and used for hanging a ground wire and a jumper string (16); and the phase jumper wire support (3) in the first loop circuit is arranged at the top of the tower body (1) of the three-loop cable terminal tower and is arranged along the sixth layer of cross arms (2) in a phase manner and used for hanging a strain insulator string (21).
3. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: and the first loop is internally provided with a hanging point (4) which is arranged on a tower body (1) of the three-loop cable terminal tower below the sixth layer of cross arm (2) and is used for hanging a lead tension string (17).
4. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: and the fifth layer cross arm (5) is arranged below a hanging point (4) in the first loop and is connected to the tower body (1) of the three-loop cable terminal tower through bolts and is used for hanging a first loop wire strain insulator string (17) and a first loop wire jumper string (18).
5. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: the fourth layer of cross arms (6) are arranged below the fifth layer of cross arms (5), are connected to the tower body (1) of the three-loop cable terminal tower through bolts and are used for hanging the lead strain insulator strings (17) and the jumper strings (16) on the second loop and the third loop; the cable terminal overhauling platform (7) of the first loop is arranged on the outer side of the fourth layer of cross arm (6) in parallel, is connected with the tower body (1) of the three-loop cable terminal tower through a connecting part and is used for arranging a cable terminal (19) and a lightning arrester (20); and the upper-layer lead down brackets (8) of the second loop and the third loop are arranged at two ends of the cable terminal maintenance platform (7) of the first loop and used for hanging a strain insulator string (21).
6. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: and the third-layer cross arm (9) is arranged below the fourth-layer cross arm (6), is connected with the tower body (1) of the three-loop cable terminal tower through bolts and is used for hanging phase conductor strain insulator strings (17) and strain insulator strings (21) in the second loop and the third loop.
7. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: the second layer of cross arms (10) are arranged below the third layer of cross arms (9), are connected with the tower body (1) of the three-loop cable terminal tower through bolts and are used for hanging the lower phase conductor strain insulator-string (17) of the second loop and the third loop.
8. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: the first loop cable down-leading support (13) is arranged along the three-loop cable terminal tower body (1) from the fourth layer of cross arm (6) and is fixed on the three-loop cable terminal tower body (1) through bolts, so that the first loop cable can be conveniently fixed on the tower body by utilizing a cable clamp; the second and third loop cable leading-down supports (14) are arranged below the second and third loop cable maintenance platform (11) and fixed on the tower body (1) of the three-loop cable terminal tower through bolts, so that the second and third loop cables can be conveniently fixed on the tower body by utilizing a cable clamp.
9. The three-loop cable termination tower of a high-altitude area overhaul platform as claimed in claim 1, wherein: furthermore, the grounding box mounting frame (15) is arranged at the tower foot of the tower body (1) of the three-loop cable terminal tower and used for fixing the first, second and third grounding boxes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317257.0U CN212478731U (en) | 2020-03-13 | 2020-03-13 | Three-loop cable terminal iron tower with high-altitude area maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317257.0U CN212478731U (en) | 2020-03-13 | 2020-03-13 | Three-loop cable terminal iron tower with high-altitude area maintenance platform |
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| Publication Number | Publication Date |
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| CN212478731U true CN212478731U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020317257.0U Active CN212478731U (en) | 2020-03-13 | 2020-03-13 | Three-loop cable terminal iron tower with high-altitude area maintenance platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296242A (en) * | 2022-10-08 | 2022-11-04 | 中国能源建设集团湖南省电力设计院有限公司 | Suspension type mounting structure for connecting cable of cable terminal tower and overhead wire |
-
2020
- 2020-03-13 CN CN202020317257.0U patent/CN212478731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296242A (en) * | 2022-10-08 | 2022-11-04 | 中国能源建设集团湖南省电力设计院有限公司 | Suspension type mounting structure for connecting cable of cable terminal tower and overhead wire |
| CN115296242B (en) * | 2022-10-08 | 2022-12-09 | 中国能源建设集团湖南省电力设计院有限公司 | Suspension type mounting structure for connecting cable of cable terminal tower and overhead wire |
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