CN214786454U - 500 kV crossing tower - Google Patents

Abstract

The utility model discloses a 500 kilovolts pass through tower, including tower head and body of the tower, the tower head is including the crossbeam that is used for the horizontal arrangement three-phase electric wire and the ground wire support that is used for installing the ground wire, and the top of body of the tower is located to the crossbeam level, and the body of the tower is equipped with hollow structure to avoid influencing the connection operation of three-phase electric wire, the top of crossbeam is located to the ground wire support. When the 500 KV tension tower provided by the utility model is used, as the three-phase wires are horizontally arranged on the cross beam, compared with the triangular arrangement adopted by the tension tower in the prior art, the distance between the lead and the ground wire can be effectively shortened under the condition of the same height, and the size of the tower head is reduced; moreover, because the tower body is provided with the hollow structure, the tower body can not influence the wire connection operation when the three-phase electric wire is connected. The newly-built line can pass through the existing high-voltage line flexibly, is less limited by landform, and can effectively solve the problem of cross threading of the newly-built line and the established line.

Description

500 kV crossing tower

Technical Field

The utility model relates to a high-voltage tower technical field, more specifically say, relate to a 500 kilovolts pass through tower.

Background

In the prior art, a power transmission line iron tower mainly comprises two types: a horizontal linear tower 01 and a tension tower 02. Among them, the insulator string 03 of the tangent tower hangs down, and the structure of the conventional horizontal tangent tower 01 is as shown in fig. 1, three insulator strings 03 are used for connecting three-phase electric wires 04 respectively, and the three-phase electric wires 04 installed on the horizontal tangent tower 01 are located on the same horizontal line, but the tangent tower can only bear the self-gravity of the electric wires, but cannot bear the acting force in the advancing direction of the electric wires, and is not suitable for the staggered arrangement of the electric wires.

In addition, the insulator string 03 of the strain tower 02 can be horizontally pulled up, the existing strain tower 02 has a structure as shown in fig. 2, the installation position of the three-phase electric wire 04 is shown in fig. 2, the three-phase electric wire 04 of the strain tower 02 generally needs to be arranged in a manner similar to a triangle, which results in that the size of the tower head of the iron tower is large, the distance (call height H) between the highest installation point of the electric wire and the ground is high, and the middle electric wire of the strain tower 02 cannot pass through the tower body for conveying.

However, in the process of erecting the transmission lines, the lower transmission lines need to be passed through below the high transmission lines, that is, the transmission lines located at the lower positions pass through below the high transmission lines, which provides a new requirement for the height of the iron tower, and neither of the two conventional iron towers can meet the use requirement.

In summary, how to solve the problem that the intersection of the newly-built line and the established line is difficult to be set is a problem to be solved urgently by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a 500 kv traversing tower, which can effectively solve the problem that the intersection of the newly-built line and the established line is difficult to be set.

In order to achieve the above object, the present invention provides the following technical solutions:

the 500 kV crossing tower comprises a tower head and a tower body, wherein the tower head comprises a beam for horizontally arranging three-phase electric wires and a ground wire support for installing ground wires, the beam is horizontally arranged at the top of the tower body, the tower body is provided with a hollow structure so as to avoid influencing the connection operation of the three-phase electric wires, and the ground wire support is arranged above the beam.

Preferably, the three-phase electric wire is mounted on the cross beam through a strain insulator.

Preferably, one of the three-phase electric wires is provided at a center of the cross member, and the other two of the three-phase electric wires are provided at equal intervals from the center.

Preferably, the ground wire support is a cleat-shaped support, two cleats of the cleat-shaped support are respectively used for mounting two ground wires, the two ends of the cross beam are respectively provided with the three-phase wire, and the three-phase wire is correspondingly arranged below the ground wires.

Preferably, the included angle between the connecting line of the ground wire and the corresponding three-phase wire below and the vertical direction is 5-7 degrees.

Preferably, the tower body is of a wine glass type structure.

Use the utility model provides a when 500 kilovolts pass through the tower, because the three-phase electric wire is horizontal arrangement on the crossbeam, compare in the triangle-shaped of prior art strain insulator tower adoption and arrange, under the same high circumstances of exhaling, can effectively shorten the distance of wire and ground wire, reduce the size of tower head, moreover, because the body of the tower is equipped with hollow structure, consequently, when connecting the operation to the three-phase electric wire, the body of the tower can not lead to the fact the influence to the wire connection operation. The newly-built line can flexibly pass through the existing high-voltage line to carry out wiring operation, is less limited by landform, and can effectively solve the problem of cross threading of the newly-built line and the built line.

To sum up, the utility model provides a 500 kilovolts pass through tower can effectively solve newly-built circuit and the problem that established circuit crosspoint is difficult to the setting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art horizontal linear tower;

FIG. 2 is a schematic structural diagram of a tension tower in the prior art;

in fig. 1 and 2:

01 is a horizontal straight line tower, 02 is a strain tower, 03 is an insulator string, and 04 is a three-phase electric wire;

fig. 3 is a schematic diagram of a three-dimensional structure of a 500 kv traversing tower provided by the present invention;

figure 4 is a schematic diagram of a two-dimensional structure of a 500 kv traversing tower.

In fig. 3 and 4:

1 is tower head, 11 is beam, 12 is ground wire support, 2 is tower body, 3 is three-phase electric wire, 4 is ground wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a 500 kilovolts pass through tower, can effectively solve newly-built circuit and the problem that established circuit crosspoint is difficult to set up.

Referring to fig. 3 and 4, fig. 3 is a schematic diagram of a three-dimensional structure of a 500 kv traversing tower provided by the present invention; figure 4 is a schematic diagram of a two-dimensional structure of a 500 kv traversing tower.

This embodiment provides a 500 kilovolts passes through tower, including tower head 1 and body of the tower 2, tower head 1 is including the crossbeam 11 that is used for the horizontal arrangement three-phase electric wire 3 and the ground wire support 12 that is used for installing ground wire 4, and the top of body of the tower 2 is located to crossbeam 11 level, and body of the tower 2 is equipped with hollow structure to avoid influencing the connection operation of three-phase electric wire 3, and the top of crossbeam 11 is located to ground wire support 12.

It should be noted that the three-phase wires 3 include three wires of different phases, which are horizontally arranged on the cross beam 11, so that the three wires have the same height. The device effectively combines the advantages of the tangent tower and the tension tower to solve the problem of cross threading of the newly-built line and the built line.

In the actual application process, the shapes, structures, sizes and the like of the tower head 1, the tower body 2, the cross beam 11 and the ground wire support 12 can be determined according to actual conditions and actual requirements.

Use the utility model provides a when 500 kilovolts pass through the tower, because three-phase electric wire 3 is horizontal arrangement on crossbeam 11, compare in the triangle-shaped of prior art strain insulator tower adoption and arrange, under the same high condition of exhaling, can effectively shorten the distance of wire and ground wire 4, reduce tower head 1's size, moreover, because the body of the tower 2 is equipped with hollow structure, consequently, when connecting operation to three-phase electric wire 3, the body of the tower 2 can not cause the influence to the wire connection operation. The newly-built line can flexibly pass through the existing high-voltage line to carry out wiring operation, is less limited by landform, and can effectively solve the problem of cross threading of the newly-built line and the built line.

To sum up, the utility model provides a 500 kilovolts pass through tower can effectively solve newly-built circuit and the problem that established circuit crosspoint is difficult to the setting.

In addition to the above embodiment, it is preferable that the three-phase electric wire 3 is mounted on the cross member 11 through a tension insulator.

It should be noted that the insulator string of the strain insulator can be stretched, which not only can bear the self-gravity of the electric wire, but also can pull the electric wire along the conveying direction of the electric wire, so that the installation operation of the three-phase electric wire 3 can be effectively realized by using the strain insulator.

Preferably, one of the three-phase wires 3 is provided at the center of the cross member 11, and the other two of the three-phase wires 3 are provided at equal intervals from the center. The spacing size can be determined according to actual conditions and actual requirements in the actual application process.

On the basis of the above embodiment, preferably, the ground wire support 12 is a cleat-shaped support, two cleats of the cleat-shaped support are respectively used for mounting two ground wires 4, two ends of the cross beam 11 are respectively provided with three-phase wires 3, and the three-phase wires 3 are correspondingly arranged below the ground wires 4.

It should be noted that the ground wire 4 can effectively protect the three-phase electric wire 3, and prevent the three-phase electric wire 3 from being hit by lightning, and the ground wire support 12 is a claw-shaped support, which has the advantages of light weight, tower material saving and the like compared with the conventional strain tower ground wire support 12.

Preferably, the included angle between the connecting line of the ground wire 4 and the three-phase wire 3 corresponding to the lower part and the vertical direction is 5-7 degrees, wherein the included angle between the connecting line of the ground wire 4 and the three-phase wire 3 corresponding to the lower part and the vertical direction is also the protection angle of the ground wire 4 to the three-phase wire 3, the protection angle is set to be 5-7 degrees, the protection effect of the ground wire 4 to the three-phase wire 3 can be exerted, the waste of tower materials can be avoided, and therefore the height, the size and the like of the ground wire support 12 can be reasonably selected according to actual conditions.

Preferably, the tower body 2 is a wine glass type structure, that is, the middle part of the tower body 2 is provided with a hollow part, so as to avoid that the three-phase electric wire 3 positioned at the center of the cross beam 11 cannot be connected. Of course, the tower body 2 may be configured in other structures according to actual conditions and actual requirements, but it is necessary to ensure that the tower body 2 does not obstruct the wiring operation of the three-phase electric wires 3 on the cross beam 11.

It should be noted that the directions and positional relationships indicated by "above" and "below" in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.

The 500 kv traversing tower provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (6)

1. The 500 kV traversing tower comprises a tower head (1) and a tower body (2), and is characterized in that the tower head (1) comprises a cross beam (11) used for horizontally arranging three-phase electric wires (3) and a ground wire support (12) used for installing a ground wire (4), the cross beam (11) is horizontally arranged at the top of the tower body (2), the tower body (2) is provided with a hollow structure so as to avoid influencing the connection operation of the three-phase electric wires (3), and the ground wire support (12) is arranged above the cross beam (11).

2. The 500 kv traversing tower according to claim 1, wherein the three-phase wires (3) are mounted on the cross beam (11) through a strain insulator.

3. The 500 kv traversing tower according to claim 2, wherein one of the three-phase wires (3) is provided at the center of the beam (11), and the other two of the three-phase wires (3) are equally spaced from the center.

4. The 500 kV traversing tower according to claim 3, wherein the ground wire support (12) is a claw-type support, two claws of the claw-type support are respectively used for mounting two ground wires (4), two ends of the cross beam (11) are respectively provided with the three-phase wires (3), and the three-phase wires (3) are correspondingly arranged below the ground wires (4).

5. The 500 kV traversing tower according to claim 4, wherein a connecting line of the ground wire (4) and the corresponding three-phase wire (3) below forms an angle of 5-7 degrees with the vertical direction.

6. The 500 kv traversing tower according to any of claims 1 to 5, wherein the tower body (2) is a wine glass type structure.

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