Cable-stayed DC lightning arrester support

Abstract

The utility model relates to the technical field of power transmission line engineering, in particular to a cable-stayed direct current lightning arrester support which comprises a support assembly, a first hollow column, a second hollow column and a third hollow column, the support assembly is arranged on an electric tower, one end of the first hollow column is connected with the support assembly, and the other end of the first hollow column is connected with the third hollow column. The first hollow column is adjustably inserted into the second hollow column, the end part, far away from the first hollow column, of the second hollow column is connected with the third hollow column, the end part, far away from the second hollow column, of the third hollow column is provided with a lightning arrester base, and the middle part of the third hollow column is provided with a zipper ring plate; and the zipper ring plate is connected with the electric tower. The lightning arrester support has the advantages that the first hollow column and the second hollow column are adjustably connected, and the length of the support can be adjusted in the process of installing the support, so that the lightning arrester support is adaptive to different electric towers, and installation of the lightning arrester is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission line engineering, in particular to an oblique-stayed DC lightning arrester bracket. Background Art

[0002] Lightning arresters need to be installed on transmission towers in areas prone to lightning. The voltage level of DC lines is high, and conventional lightning arresters are easily struck by lightning. Lightning arresters with air gaps are required to ensure the effectiveness of lightning protection. Lightning arresters with air gaps require matching brackets and cannot be directly installed on towers. The existing lightning arrester brackets cannot adjust their own length, which is not conducive to adjusting operations based on on-site conditions during the installation of the brackets. Lightning arrester brackets of different sizes need to be designed for different towers.

[0003] In summary, there is an urgent need for an oblique-stayed DC lightning arrester bracket to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a diagonal DC lightning arrester bracket, and the specific technical scheme is as follows:

[0005] A diagonal-stayed DC lightning arrester bracket comprises a support assembly, a first hollow column, a second hollow column and a third hollow column, wherein the support assembly is arranged on an electric tower, one end of the first hollow column is connected to the support assembly, the first hollow column is adjustably plugged into the second hollow column, the end of the second hollow column away from the first hollow column is connected to the third hollow column, the end of the third hollow column away from the second hollow column is provided with a lightning arrester base, and a zipper ring plate is provided in the middle portion of the third hollow column, and the zipper ring plate is connected to the electric tower.

[0006] Preferably, the support assembly includes a clamp and a connecting seat, and the clamp connects the electric tower and the connecting seat.

[0007] Preferably, the connecting seat comprises a main body and a connecting piece, the clamp connects the electric tower and the connecting piece, and the main body is arranged on the connecting piece.

[0008] Preferably, the connecting member includes at least two channel steels, the clamp connects the electric tower and the at least two channel steels, the main body is a right-angle steel plate matching the end of the first hollow column, and the right-angle steel plate connects at least two channel steels.

[0009] Preferably, the support assembly is connected to the first hollow column by bolts, and the installation angle is adjusted through the long arc hole.

[0010] Preferably, the first hollow column is provided with at least one row of first through holes along its length direction, and the second hollow column is provided with at least one row of second through holes along its length direction, the first through holes match the second through holes, and the first hollow column and the second hollow column are connected by first through holes and second through hole bolts.

[0011] Preferably, a first flange plate is provided at the end of the second hollow column away from the first hollow column, a second flange plate is provided at the end of the third hollow column close to the second hollow column, and the second hollow column and the third hollow column are bolted together by the first flange plate and the second flange plate.

[0012] Preferably, a third flange plate is provided at the end of the third hollow column away from the second hollow column, and the third flange plate is connected to the arrester base, and the arrester base is used to install the arrester.

[0013] Preferably, the zipper ring plate comprises a ring plate body and a cable, the ring plate body is provided with a positioning hole, and two ends of the cable are respectively connected to the electric tower and the positioning hole.

[0014] The application of the technical solution of the utility model has the following beneficial effects:

[0015] (1) The second hollow column and the third hollow column in the utility model can adjust the length of the overall bracket through adjustable plug-in, which is conducive to installing the lightning arrester bracket according to the on-site conditions and has a wider applicability.

[0016] (2) The support assembly in the utility model is composed of channel steel and right-angle steel plate. The channel steel and the tower body of the electric tower are clamped by a clamp, and the first hollow column is installed on the right-angle steel plate. The channel steel and the right-angle steel plate provide effective support for the lightning arrester bracket. The support assembly composed of the channel steel and the right-angle steel plate has a stable structure and is easy to install.

[0017] (3) The zipper ring plate in the utility model includes a ring plate body and a cable, the ring plate body is provided with a positioning hole, and the two ends of the cable are respectively connected to the electric tower and the positioning hole. The cable can fix the lightning arrester bracket on the tower body, thereby improving the stability of the lightning arrester bracket.

[0018] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 It is a structural schematic diagram of the oblique-stayed DC lightning arrester bracket in the preferred embodiment of the utility model.

[0021] Among them, 1-support assembly, 1.1-clamp, 1.2-connecting seat, 1.21-main body, 1.22-connecting piece, 2-first hollow column, 2.1-first through hole, 3-second hollow column, 3.1-second through hole, 3.2-first flange plate, 4-third hollow column, 4.1-second flange plate, 4.2-third flange plate, 5-zipper ring plate. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0023] Example:

[0024] See also Figure 1 The present embodiment discloses a diagonal DC lightning arrester bracket, comprising a support assembly 1, a first hollow column 2, a second hollow column 3 and a third hollow column 4, wherein the support assembly 1 is arranged on an electric tower, one end of the first hollow column 2 is connected to the support assembly 1, the first hollow column 2 is adjustably plugged into the second hollow column 3, the end of the second hollow column 3 away from the first hollow column 2 is connected to the third hollow column 4, the end of the third hollow column 4 away from the second hollow column 3 is provided with a lightning arrester base, and a zipper ring plate 5 is provided in the middle part of the third hollow column 4, and the zipper ring plate 5 is connected to the electric tower. In the present embodiment, the zipper ring plate 5 comprises a ring plate body and a cable, a positioning hole is provided on the ring plate body, and the two ends of the cable are respectively connected to the electric tower and the positioning hole.

[0025] Preferably, the support assembly 1 includes a clamp 1.1 and a connecting seat 1.2, and the clamp 1.1 connects the electric tower and the connecting seat 1.2. In this embodiment, the connecting seat 1.2 includes a body 1.21 and a connecting piece 1.22, and the clamp 1.1 connects the electric tower and the connecting piece 1.22, and the body 1.21 is arranged on the connecting piece 1.22. In this embodiment, the connecting piece 1.22 includes two channel steels, and the channel steels are connected by splicing and bolts. The clamp 1.1 connects the electric tower and the two channel steels, and the body 1.21 is a right-angle steel plate matching the end of the first hollow column 2, and the right-angle steel plate is connected to the two channel steels by bolts.

[0026] Preferably, the first hollow column 2 is provided with four rows of first through holes 2.1 along its length direction, and the second hollow column 3 is provided with four rows of second through holes 3.1 along its length direction, the first through holes 2.1 are matched with the second through holes 3.1, and the first hollow column 2 and the second hollow column 3 are bolted together through the first through holes 2.1 and the second through holes 3.1. In this embodiment, the first hollow column 2 and the second hollow column 3 are aligned by the misalignment between the first through holes 2.1 and the second through holes 3.1, so as to adjust the insertion depth of the first hollow column 2 and the second hollow column 3, and then adjust the length of the bracket.

[0027] Preferably, the end of the second hollow column 3 away from the first hollow column 2 is provided with a first flange plate 3.2, and the end of the third hollow column 4 close to the second hollow column 3 is provided with a second flange plate 4.1, and the second hollow column 2 and the third hollow column 4 are bolted together by the first flange plate 3.2 and the second flange plate 4.1.

[0028] Preferably, a third flange plate 4.2 is provided at the end of the third hollow column 4 away from the second hollow column 3, and the third flange plate 4.2 is connected to the arrester base, and the arrester base is used to install the arrester.

[0029] This embodiment discloses a diagonal DC arrester bracket, and the use process is as follows:

[0030] The support assembly 1 is hoisted to the installation height, the connecting seat 1.2 is connected to the tower body of the electric tower through the clamp 1.1, and then the connecting base 1 is connected to the first hollow column 2 by bolts, and the installation angle is adjusted through the long arc hole, and then the insertion depth of the first hollow column 2 and the second hollow column 3 is adjusted, and the first hollow column 2 and the second hollow column 3 are bolted through the first through hole 2.1 and the second through hole 3.1, and then the third hollow column 4 is connected to the second hollow column 3, and then the end of the cable away from the third hollow column 4 is fixed to the tower body of the electric tower, and finally the lightning arrester base is installed on the end of the third hollow column 4 away from the second hollow column 3, and the installation of the inclined-stayed DC lightning arrester bracket is completed. At this time, the lightning arrester can be installed by the lightning arrester bracket located on the third hollow column 4 to realize the lightning protection of the electric tower, and solve the problem of lightning protection of the electric tower transmission line. The inclined-stayed DC lightning arrester bracket disclosed in this embodiment is easy to install, low in cost, time-saving and labor-saving, and provides effective support for the DC lightning arrester.

[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A diagonal DC lightning arrester bracket, characterized in that: The utility model comprises a support assembly (1), a first hollow column (2), a second hollow column (3) and a third hollow column (4), wherein the support assembly (1) is arranged on an electric tower, one end of the first hollow column (2) is connected to the support assembly (1), the first hollow column (2) is adjustably plugged into the second hollow column (3), the end of the second hollow column (3) away from the first hollow column (2) is connected to the third hollow column (4), the end of the third hollow column (4) away from the second hollow column (3) is provided with a lightning arrester base, and the middle part of the third hollow column (4) is provided with a zipper ring plate (5), and the zipper ring plate (5) is connected to the electric tower.

2. The oblique-stayed DC lightning arrester bracket according to claim 1, characterized in that: The support assembly (1) comprises a clamp (1.1) and a connecting seat (1.2), and the clamp (1.1) connects the electric tower and the connecting seat (1.2).

3. The oblique-stayed DC lightning arrester bracket according to claim 2, characterized in that: The connecting seat (1.2) comprises a main body (1.21) and a connecting piece (1.22); the clamp (1.1) connects the electric tower and the connecting piece (1.22); and the main body (1.21) is arranged on the connecting piece (1.22).

4. The oblique-stayed DC lightning arrester bracket according to claim 3, characterized in that: The connecting piece (1.22) comprises at least two channel steels, the clamp (1.1) connects the electric tower and the at least two channel steels, the main body (1.21) is a right-angle steel plate matching the end of the first hollow column (2), and the right-angle steel plate connects the at least two channel steels.

5. The oblique-stayed DC lightning arrester support according to claim 1, characterized in that: The support assembly (1) is connected to the first hollow column (2) via bolts, and the installation angle is adjusted via the long arc-shaped hole.

6. The oblique-stayed DC lightning arrester support according to claim 1, characterized in that: The first hollow column (2) is provided with at least one row of first through holes (2.1) along its length direction, and the second hollow column (3) is provided with at least one row of second through holes (3.1) along its length direction, the first through holes (2.1) are arranged to match the second through holes (3.1), and the first hollow column (2) and the second hollow column (3) are bolted together via the first through holes (2.1) and the second through holes (3.1).

7. The oblique-stayed DC lightning arrester support according to claim 1, characterized in that: The end of the second hollow column (3) away from the first hollow column (2) is provided with a first flange plate (3.2), and the end of the third hollow column (4) close to the second hollow column (3) is provided with a second flange plate (4.1); the second hollow column (3) and the third hollow column (4) are bolted together via the first flange plate (3.2) and the second flange plate (4.1).

8. The oblique-stayed DC lightning arrester support according to claim 1, characterized in that: A third flange plate (4.2) is provided at the end of the third hollow column (4) away from the second hollow column (3); the third flange plate (4.2) is connected to the arrester base; and the arrester base is used to install the arrester.

9. The oblique-stayed DC lightning arrester support according to claim 1, characterized in that: The zipper ring plate (5) comprises a ring plate body and a pull cable, the ring plate body is provided with a positioning hole, and two ends of the pull cable are respectively connected to the electric tower and the positioning hole.

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