CN217590185U - Gantry structure of single-loop overhead outbound cable - Google Patents
Gantry structure of single-loop overhead outbound cable Download PDFInfo
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- CN217590185U CN217590185U CN202220758238.0U CN202220758238U CN217590185U CN 217590185 U CN217590185 U CN 217590185U CN 202220758238 U CN202220758238 U CN 202220758238U CN 217590185 U CN217590185 U CN 217590185U
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Abstract
The utility model discloses a portal structure of single-loop overhead outbound cable, which comprises two vertical steel pipe rods arranged side by side and a crawling ladder arranged on the steel pipe rods, wherein at least four layers of channel steel supports are arranged between the two steel pipe rods, a wiring board is arranged on the first layer of channel steel support above the channel steel supports, the wiring board is connected with a drainage wire of the substation overhead outgoing wire through an insulator, a horizontal suspension is arranged on the second layer of channel steel supports, and two composite sleeve outdoor cable terminals and a lightning arrester are arranged on the horizontal suspension; the drainage wire is connected with the outdoor cable terminal of the composite sleeve and the lightning arrester through the T-shaped wire clamp to achieve T connection, the outdoor cable terminal of the composite sleeve is connected with a power cable, the lightning arrester is connected with the grounding wire, grounding box mounting holes are formed in the third layer of channel steel support and the fourth layer of channel steel support, the grounding box is connected with mounting bolts, the mounting bolts are connected with the grounding box mounting holes, and the grounding box is connected with the grounding wire. The utility model discloses realize that single return is built on stilts and is qualified for next round of competitions change cable T and connect down, easy to assemble.
Description
Technical Field
The utility model belongs to the technical field of electric power engineering, especially, relate to transmission line technique.
Background
In high-voltage power supply, the connection of 'T' is that a line is connected from the middle of a line for supplying power from the first party to the second party to supply power to the third party; since the power supply is connected from a line for supplying power to others, the line is relatively provided with two users, namely a party B and a party C when the power supply A sees the line. The operation of the system is not influenced by the operation mode of the second party just by connecting the system from the middle T of the line; the power supply reliability is the same as that of the second party; meanwhile, because the power supply is independent, the protection setting and setting are simple. In the low-voltage line, the "T" connection is a branch connection in the main line.
The single-circuit overhead outgoing line of the existing transformer substation is characterized in that a cable T leading-down device is built outside an overhead outgoing line support, so that not only is space occupied, but also installation of the cable T leading-down device is inconvenient.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model aims to solve the technical problem that a single loop is built on stilts to be stood out and is changeed the portal structure of cable is just provided, realizes that single loop is built on stilts to be qualified for the next round of competitions change cable T and connects and draw down.
In order to solve the technical problem, the utility model adopts the following technical scheme: a portal structure of a single-loop overhead outbound cable comprises two steel pipe rods which are vertically arranged side by side and a crawling ladder arranged on the steel pipe rods, wherein at least four layers of channel steel supports are arranged between the two steel pipe rods, a wiring board is arranged on the first layer of channel steel support above the channel steel supports and connected with a drainage wire of an overhead outgoing wire of a transformer substation through an insulator, a horizontal suspension frame is arranged on the second layer of channel steel support, and two composite sleeve outdoor cable terminals and a lightning arrester are arranged on the horizontal suspension frame; the drainage wire is connected with the outdoor cable terminal of the composite bushing and the lightning arrester through the T-shaped wire clamp to realize T connection, the outdoor cable terminal of the composite bushing is connected with a power cable, the lightning arrester is connected with the grounding wire, the grounding box mounting holes are formed in the third layer of channel steel support and the fourth layer of channel steel support, the grounding box is connected with the mounting bolts, the mounting bolts are connected with the grounding box mounting holes, and the grounding box is connected with the grounding wire.
Preferably, the top end of the steel pipe pole is provided with a lightning rod.
Preferably, a windage yaw prevention insulator is arranged below the first layer of channel steel support, a lead suspension clamp is arranged at the lower end of the windage yaw prevention insulator, and the lead suspension clamp is connected with the drainage wire.
Preferably, the two copper wiring terminals are connected up and down through bolts, the upper copper wiring terminal is connected with the ground wire, and the lower copper wiring terminal is connected with the return wire.
Preferably, a clamp for fixing the ground wire is arranged on the fourth layer of channel steel bracket.
Preferably, the distance between the outdoor cable terminals of two adjacent composite sleeves is 2200 mm.
Preferably, a PVC protective pipe is sleeved outside the lower part of the power cable.
The utility model discloses a technical scheme, following technological effect has:
the door-shaped framework is formed by arranging the two steel pipe poles, the crawling ladders are respectively arranged on the two steel pipe poles, operation and maintenance are facilitated, and the lightning rod is arranged at the top end of each steel pipe pole. And a plurality of layers of channel steel brackets are arranged between the two steel pipe rods. A wire hanging plate is arranged on the first layer of channel steel bracket and used for connecting the overhead wire of the transformer substation with the drainage wire; two composite sleeve outdoor cable terminals and a lightning arrester are arranged on the second layer of channel steel support, and the T connection of the cable is realized after the overhead line is led down. In addition, a windage yaw prevention insulator is arranged below the first layer of channel steel bracket, so that the electrical distance between the drainage lines is ensured; and the third layer of channel steel bracket and the fourth layer of channel steel bracket are provided with mounting holes of the grounding box, and meanwhile, the cable clamp is arranged below the outdoor cable terminal of the composite sleeve to fix the cable, so that the cable is led down, and the cable T is convenient to connect and lead down.
The utility model discloses a specific technical scheme and the beneficial effect that brings will give detailed disclosure in the following embodiment in combination with the accompanying drawings.
Drawings
The invention will be further described with reference to the following drawings and detailed description:
fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is view 1-1 of FIG. 1;
FIG. 4 is a schematic view of a staple;
in the figure: the cable comprises a composite sleeve outdoor cable terminal 1, a cable terminal outgoing wire fitting 2, a first copper-aluminum transition plate 3, a second copper-aluminum transition plate 4, a copper-aluminum transition equipment wire clamp 5, a grounding wire 6, a grounding box 7, a clamp nail 8, a return wire 9, a cable fixing clamp 10, a power cable 11, a wire suspension clamp 12, a T-shaped wire clamp 13, a wind deflection prevention insulator 14, a drainage wire 15, a PVC (polyvinyl chloride) protective tube 16, a lightning arrester 17 and a copper wiring terminal 18.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "inner", "outer", etc., indicating orientations or positional relationships described below are based on the orientations or positional relationships shown in the drawings only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device/element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 to 4, the utility model provides a portal structure of single-loop overhead outbound cable, which comprises two vertical steel pipe rods arranged side by side and a ladder stand arranged on the steel pipe rods, wherein at least four layers of channel steel supports are arranged between the two steel pipe rods, a wiring board is arranged on the first layer of channel steel support above the steel pipe supports, the wiring board is connected with a drainage wire 15 of an overhead outgoing wire of a transformer substation through an insulator, a horizontal suspension is arranged on the second layer of channel steel support, and two composite casing outdoor cable terminals 1 and a lightning arrester 17 are arranged on the horizontal suspension; the drainage wire is connected with the outdoor cable terminal of the composite bushing and the lightning arrester through the T-shaped wire clamp 13 to realize T connection, the outdoor cable terminal of the composite bushing is connected with the power cable 11, the lightning arrester is connected with the grounding wire 6, the grounding box mounting holes are formed in the third layer channel steel support and the fourth layer channel steel support, the grounding box 7 is connected with the mounting bolts, the mounting bolts are connected with the grounding box mounting holes, and the grounding box is connected with the grounding wire.
Above-mentioned technical scheme sets up the cat ladder on the steel-pipe pole and overhauls in order to make things convenient for the operation, through the line hanging board of arranging on the first layer channel-section steel support for the drainage wire is connected to transformer substation's aerial conductor. The composite sleeve outdoor cable terminal is connected with a power cable, and meanwhile, a cable clamp is arranged below the composite sleeve outdoor cable terminal to fix the cable, so that the cable is led down, and the cable T is convenient to install in a lead-down mode.
Furthermore, a lightning rod is arranged at the top end of the steel pipe rod. For protecting the gantry structure from lightning strikes.
Furthermore, an anti-windage yaw insulator 14 is arranged below the first layer of channel steel bracket, a lead suspension clamp 12 is arranged at the lower end of the anti-windage yaw insulator, and the lead suspension clamp 12 is connected with a drainage wire. So as to ensure the electrical distance between the drainage wires.
The composite sleeve outdoor cable terminal is provided with a cable terminal outgoing line fitting 2, a first copper-aluminum transition plate 3 is connected with the cable terminal outgoing line fitting 2, and a lightning arrester is connected with a second copper-aluminum transition plate 4. The first copper-aluminum transition plate 3 and the second copper-aluminum transition plate 4 are connected with a copper-aluminum transition equipment wire clamp 5.
As shown in fig. 3, the two copper terminals 18 are connected to each other vertically by bolts, the upper copper terminal is connected to the ground line, and the lower copper terminal is connected to the return line 9. As shown in fig. 4, a clamp 8 for fixing the grounding wire is arranged on the channel steel bracket on the fourth layer, the clamp is hung and fixed through a hook, and a nut is arranged on the clamp to fix the grounding wire.
Further, the distance between the outdoor cable terminals of the two adjacent composite sleeves is 2200 mm. After being led down from the outdoor cable terminal of the composite bushing, the cable is fixed by cable fixing clamps 10 arranged at intervals along the extension direction of the power cable.
In order to protect the down-lead cable, a PVC protective pipe 16 is sleeved outside the lower part of the power cable, and the PVC protective pipe 16 extends to the ground surface and is buried in the ground surface.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (7)
1. The portal structure of the single-loop overhead outbound cable is characterized by comprising two steel pipe rods which are vertically arranged side by side and a crawling ladder arranged on the steel pipe rods, wherein at least four layers of channel steel supports are arranged between the two steel pipe rods, a wiring board is arranged on the first layer of channel steel support above the channel steel supports and connected with a drainage wire of an overhead outgoing wire of a transformer substation through an insulator, a horizontal suspension frame is arranged on the second layer of channel steel support, and two composite sleeve outdoor cable terminals and a lightning arrester are arranged on the horizontal suspension frame; the drainage wire is connected with the outdoor cable terminal of the composite bushing and the lightning arrester through the T-shaped wire clamp to realize T connection, the outdoor cable terminal of the composite bushing is connected with a power cable, the lightning arrester is connected with the grounding wire, the grounding box mounting holes are formed in the third layer of channel steel support and the fourth layer of channel steel support, the grounding box is connected with the mounting bolts, the mounting bolts are connected with the grounding box mounting holes, and the grounding box is connected with the grounding wire.
2. The mast structure of the single-circuit overhead outbound transit cable as claimed in claim 1, wherein a lightning rod is provided at the top end of the steel pipe pole.
3. The mast structure of the single-loop overhead outbound cable according to claim 1, wherein a windage yaw prevention insulator is arranged below the first layer of channel steel bracket, a lead suspension clamp is arranged at the lower end of the windage yaw prevention insulator, and the lead suspension clamp is connected with a drainage wire.
4. The mast structure of a single-circuit aerial outbound transit cable as claimed in claim 1, wherein two copper terminals are connected up and down by bolts, the upper copper terminal is connected with a ground wire, and the lower copper terminal is connected with a return wire.
5. The gantry structure of a single-loop overhead outbound transit cable as claimed in claim 1, wherein a clamp for fixing a ground wire is provided on the fourth layer of channel steel brackets.
6. The mast structure for a single-loop overhead outbound transit cable of claim 1, wherein the spacing between adjacent two composite sleeve outdoor cable terminations is 2200 mm.
7. The mast structure of the single-loop overhead outbound cable according to claim 1, wherein a PVC protective pipe is sleeved on the lower portion of the power cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758238.0U CN217590185U (en) | 2022-04-01 | 2022-04-01 | Gantry structure of single-loop overhead outbound cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758238.0U CN217590185U (en) | 2022-04-01 | 2022-04-01 | Gantry structure of single-loop overhead outbound cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217590185U true CN217590185U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220758238.0U Active CN217590185U (en) | 2022-04-01 | 2022-04-01 | Gantry structure of single-loop overhead outbound cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217590185U (en) |
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2022
- 2022-04-01 CN CN202220758238.0U patent/CN217590185U/en active Active
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