CN211448011U - Cable terminal tower with double loops and double triangular arrangements - Google Patents
Cable terminal tower with double loops and double triangular arrangements Download PDFInfo
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- CN211448011U CN211448011U CN201922205998.XU CN201922205998U CN211448011U CN 211448011 U CN211448011 U CN 211448011U CN 201922205998 U CN201922205998 U CN 201922205998U CN 211448011 U CN211448011 U CN 211448011U
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Abstract
The utility model discloses a cable termination tower with double loops and double triangular arrangements, which comprises a tower body, wherein the top of the tower body is provided with a top layer cross arm connected with a ground wire, the lower end of the top layer cross arm on the tower body is provided with an upper layer cross arm connected with an upper lead and a lower layer cross arm connected with a middle lead and a lower lead in sequence, and a supporting insulator cross arm is arranged on the tower body below the lower layer cross arm; the tie point of going up the wire is located the both ends of upper cross arm, and the middle wire tie point is located the both ends of lower floor's cross arm and leans on the intermediate position, and the tie point of lower wire is located the both ends of lower floor's cross arm, and the last wire of unilateral and middle wire, lower wire form triangle arrangement return circuit, and the triangle arrangement return circuit of both sides constitutes two triangle arrangement return circuits, the utility model discloses change the wire into two triangle arrangement of two return circuits by original two return circuits vertical arrangement mode, not only reduced the iron tower height, reduced iron tower weight, changed original wire jumper mode moreover, reduced support insulator use quantity, the wire jumper mode is clear, simple.
Description
Technical Field
The utility model relates to a cable termination tower technical equipment field, in particular to cable termination tower of two triangle arrangements in two return circuits.
Background
The existing double-loop cable terminal tower conductors are vertically arranged, as shown in fig. 1 and 2, and the cables are connected with the overhead conductors by means of supporting insulator leads. The specific implementation scheme is as follows: the jumper wire supports are reserved at two ends of the cross arm, the lower lead 7 is directly connected with the overhead lead through a lower-layer cross arm supporting insulator lead on the tower body 1, the middle lead 6 is connected with the overhead lead after passing through the supporting insulator after passing through a middle-layer cross arm supporting insulator lead on the tower body 1, the cross arm of the upper lead 5 is connected with the overhead lead after passing through the supporting insulator after passing through an upper-layer cross arm supporting insulator lead on the tower body 1, so that the upper lead 5, the middle lead 6 and the lower lead 7 are respectively led out through different cross arms and are sequentially arranged along the height direction of the tower body 1, the leads are vertically arranged, the tower body 1 is overhigh, counterattack is easy to cause when the tower is struck by lightning, the shielding failure rate is high, two loops can trip out simultaneously, great impact is generated on a power grid system, the high-span ground obstacle and height-limiting area is not suitable for being used in high-span ground obstacles, the jumper wire mode is complex and is easy to cause confusion.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical scheme who takes for solving above-mentioned problem is:
a cable terminal tower with double loops and double triangular arrangement comprises a tower body, wherein a top layer cross arm connected with a ground wire is arranged at the top of the tower body, an upper layer cross arm connected with an upper lead and a lower layer cross arm connected with a middle lead and a lower lead are sequentially arranged at the lower end of the top layer cross arm on the tower body, and a supporting insulator cross arm is arranged on the tower body below the lower layer cross arm; the connecting points of the upper wires are positioned at two ends of the upper-layer cross arm, the connecting points of the middle wires are positioned at two ends of the lower-layer cross arm and close to the middle position, the connecting points of the lower wires are positioned at two ends of the lower-layer cross arm, the upper wires on one side, the middle wires and the lower wires form a triangular arrangement loop, and the triangular arrangement loops on two sides form a double-triangular arrangement loop.
Furthermore, upper lead supporting insulators for connecting upper leads are vertically arranged at two ends of the upper-layer cross arm along the height direction of the tower body; and the two ends of the lower-layer cross arm are vertically provided with lower wire supporting insulators connected with lower wires along the height direction of the tower body, and the rear side of the lower-layer cross arm is provided with middle wire supporting insulators connected with middle wires in parallel with the ground close to the middle position.
Furthermore, the upper layer cross arm and the lower layer cross arm are of truss structures formed by section steel.
Further, the lower cross arm is longer than the upper cross arm and the support insulator cross arm.
Further, the upper layer cross arm and the lower layer cross arm are provided with mounting holes for mounting insulators, and bolts are mounted in the mounting holes.
Furthermore, the upper layer cross arm and the lower layer cross arm are connected with the tower body through bolts.
Further, the upper layer cross arm is overhead away the upper conductor connecting through the strain insulator, and the lower layer cross arm is overhead away the middle conductor and the lower conductor connecting through the strain insulator.
The utility model discloses the beneficial effect who has does:
the utility model relates to a cable termination tower of two triangle arrangements in two return circuits is according to the cross arm structure that changes cable termination tower for the wire is changed into two triangle arrangement in two return circuits by original two perpendicular arrangement in two return circuits, has not only reduced the iron tower height, has reduced iron tower weight, has changed original wire jumper mode moreover, has reduced support insulator use quantity, and the wire jumper mode is clear, simple, makes things convenient for the site operation.
Drawings
Fig. 1 is a front view of a prior art cable termination tower;
fig. 2 is a right side view of a prior art cable termination tower;
fig. 3 is a front view of the cable termination tower of the present invention;
fig. 4 is a right side view of the cable termination tower of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, a cable terminal tower with double loops and double triangular arrangement comprises a tower body 1, wherein a top cross arm 2 connected with a ground wire 9 is arranged at the top of the tower body 1, the top cross arm 2 is connected with the ground wire 9 through a tension insulator, an upper cross arm 3 connected with an upper lead 5 and a lower cross arm 4 connected with a middle lead 6 and a lower lead 7 are sequentially arranged at the lower end of the top cross arm 2 on the tower body 1, the connection point of the upper lead 5 is positioned at two ends of the upper cross arm 3, the connection point of the middle lead 6 is positioned at the middle position of two ends of the lower cross arm 4, the connection point of the lower lead 7 is positioned at two ends of the lower cross arm 4, the single-side upper lead 5, the middle lead 6 and the lower lead 7 form a triangular arrangement loop, and the triangular arrangement loops at two sides form a double triangular arrangement; therefore, the vertical distribution of the existing wires is improved into double-triangular arrangement distribution, the height of the iron tower can be reduced, and the weight of the iron tower is reduced. Preferably, in this embodiment, the upper-layer cross arm 3 and the lower-layer cross arm 4 are truss structures composed of section steel; the lower end of the lower layer cross arm 4 is provided with a supporting insulator cross arm 8 on the tower body 1; in this embodiment, the two ends of the upper cross arm 3 are vertically provided with upper wire supporting insulators connected with the upper wires 5 along the height direction of the tower body 1; the utility model discloses a tower, including tower body 1, upper strata cross arm 3, lower floor cross arm 4, the both ends of lower floor cross arm 4 are equipped with the lower wire support insulator of connecting wire 7 along the vertical lower wire that is equipped with of tower body 1 direction of height, and the rear side of lower floor cross arm 4 leans on the intermediate position to be equipped with the well wire support insulator of connecting wire 5 with ground parallel, upper strata cross arm 5, well wire 6 and lower wire 7 are connected away by tower body 1 upper portion through the two triangle arrangement structure that support insulator on support insulator cross arm 8, lower floor cross arm 4 and the upper cross arm 3 constitutes respectively from tower body 1 lower part, realize the overhead line of wire, have realized reducing the iron tower height, have reduced the purpose of iron.
As shown in fig. 1-2, in order to make the lower cross arm 4 able to arrange and mount the supporting insulators reasonably, the lower cross arm 4 is longer than the upper cross arm 3 and the supporting insulator cross arm 8, so that the supporting insulators can be arranged reasonably on the lower cross arm 4, the supporting insulators on the lower cross arm 4 are distributed with the supporting insulators on the upper cross arm 3 and the supporting insulator cross arm 8 in a staggered manner, and the middle lead 6 and the lower lead 7 are connected on the lower cross arm 4, thereby changing the original jumper mode, reducing the number of the supporting insulators, and the jumper mode is clear and simple.
As shown in fig. 1-2, in order to stably mount the wires and the supporting insulators, mounting holes for mounting the supporting insulators are formed in the upper-layer cross arm 3 and the lower-layer cross arm 4, and bolts are used for fastening the upper-layer cross arm 3 and the lower-layer cross arm 4 to the supporting insulators through the mounting holes; preferably, the upper-layer cross arm 3 is used for connecting and overhead-erecting an upper lead 5 through a strain insulator, and the lower-layer cross arm 4 is used for connecting and overhead-erecting a middle lead 6 and a lower lead 7 through the strain insulator; in this embodiment, the upper-layer cross arm 3 and the lower-layer cross arm 4 are connected to the tower body 1 by bolts.
The utility model relates to a cable termination tower of two triangle arrangements in two return circuits is according to the cross arm structure that changes cable termination tower for the wire is changed into two triangle arrangement in two return circuits by original two perpendicular arrangement in two return circuits, has not only reduced the iron tower height, has reduced iron tower weight, has changed original wire jumper mode moreover, has reduced support insulator use quantity, and the wire jumper mode is clear, simple, makes things convenient for the site operation.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A cable terminal tower with double loops and double triangular arrangement comprises a tower body, wherein a top layer cross arm connected with a ground wire is arranged at the top of the tower body; the connecting points of the upper wires are positioned at two ends of the upper-layer cross arm, the connecting points of the middle wires are positioned at two ends of the lower-layer cross arm and close to the middle position, the connecting points of the lower wires are positioned at two ends of the lower-layer cross arm, the upper wires, the middle wires and the lower wires which are installed on one side of the tower body form a triangular arrangement loop, and the triangular arrangement loops installed on two sides of the tower body form a double-triangular arrangement loop.
2. The tower of claim 1, wherein upper wire support insulators for connecting upper wires are vertically disposed at both ends of the upper cross arm along a height direction of the tower body; and the two ends of the lower-layer cross arm are vertically provided with lower wire supporting insulators connected with lower wires along the height direction of the tower body, and the rear side of the lower-layer cross arm is provided with middle wire supporting insulators connected with middle wires in parallel with the ground close to the middle position.
3. The tower of claim 2, wherein the upper and lower cross-arms are truss structures formed of steel sections.
4. A double loop double delta arrangement cable termination tower according to claim 3, characterised in that the lower tier cross-arms are longer than the upper tier cross-arms and the support insulator cross-arms.
5. The tower of claim 4, wherein the upper and lower cross-arms have mounting holes for mounting insulators, and the mounting holes have bolts.
6. The tower of claim 5, wherein the upper and lower cross arms are bolted to the tower body.
7. The tower of claim 6, wherein the upper cross arm is configured to suspend the upper conductor connection via strain insulators, and the lower cross arm is configured to suspend the middle conductor connection and the lower conductor connection via strain insulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922205998.XU CN211448011U (en) | 2019-12-11 | 2019-12-11 | Cable terminal tower with double loops and double triangular arrangements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922205998.XU CN211448011U (en) | 2019-12-11 | 2019-12-11 | Cable terminal tower with double loops and double triangular arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448011U true CN211448011U (en) | 2020-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922205998.XU Active CN211448011U (en) | 2019-12-11 | 2019-12-11 | Cable terminal tower with double loops and double triangular arrangements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448011U (en) |
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2019
- 2019-12-11 CN CN201922205998.XU patent/CN211448011U/en active Active
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