CN220291638U - Lightning protection support for overhead line pole - Google Patents

Abstract

The utility model discloses a lightning protection bracket for a trolley pole, which comprises fixed hoops, upright posts and crosspieces, wherein the fixed hoops are arranged at the lower parts of the upright posts, the crosspieces are arranged at the middle lower parts of the upright posts, column insulators are arranged at two ends or any end of each crosspiece, each upright post is of an L-shaped structure through an integral forming structure of an upright beam and a cantilever beam, at least two fixed hoops are arranged at the lower parts of the upright beams, the fixed hoops connect the two upright posts into an integral structure, suspension insulators or column insulators are arranged at the tail ends of the cantilever beams, a plurality of mounting holes are arranged at the middle lower parts of the upright beams above the fixed hoops, the crosspieces are arranged on the two upright beams through the mounting holes and bolts, a limiting frame is arranged on the mounting holes at the bottommost parts of the two upright beams through the mounting holes and bolts, a positioning plate is arranged at the tops of the two upright beams, and a lightning rod is arranged at any end of the positioning plate. The utility model combines the overhead line rack and the lightning protection rack into a whole, has good lightning protection effect, is convenient to install and use, has higher tolerance strength, and effectively ensures the normal operation of the electric line.

Description

Lightning protection support for overhead line pole

Technical Field

The utility model belongs to the technical field of power transmission equipment, and particularly relates to a lightning protection bracket for a trolley pole.

Background

The electric pole plays an important role in power transmission, and the lightning protection performance of the electric pole directly influences whether the electric power can be safely transmitted to a target area. In the prior art, a lightning arrester is additionally arranged on an electric pole, so that lightning protection of the electric pole is realized, and safe power transmission is ensured. Although the addition of the lightning arrester and the lightning conductor is one of the most effective line lightning protection modes, the addition of the lightning arrester increases the corresponding lightning protection cost and has weak applicability; in addition, the installing support design structure of installing the lightning conductor additional at present is unreasonable, and tolerance intensity is lower, under extreme weather, easily takes place to damage to influence distribution lines normal operating. Once the lightning arrester fails and is not replaced in time, lightning protection cannot be achieved, and a large potential safety hazard exists.

Therefore, the development of a novel lightning protection bracket with high tolerance strength and good lightning protection effect is the key for solving the problems.

Disclosure of Invention

The utility model provides a lightning protection bracket for a trolley pole.

The utility model is realized by the following technical scheme: including fixed staple bolt, stand, crosspiece, fixed staple bolt sets up in the stand lower part, and the crosspiece sets up in the stand lower part, sets up the column insulator at both ends or arbitrary one end of crosspiece, each stand is L shape structure by standing beam and cantilever beam integrated into one piece structure setting, all establishes two at the standing beam lower part and fixes the staple bolt, and fixed staple bolt connects the both ends post as a overall structure, sets up suspension insulator or column insulator at the cantilever beam end each in the standing beam of fixed staple bolt top lower part all sets up a plurality of mounting holes, and the crosspiece passes through mounting hole and bolt setting on the both ends roof beam, is provided with the spacer through mounting hole and bolt on the mounting hole of both ends, sets up the locating plate at both ends the locating plate arbitrary one end sets up the lightning rod.

The beneficial effects of the utility model are as follows: the utility model has stable and reliable structure and reasonable design, can be installed and used without reforming and perforating the overhead wire pole, is not only suitable for installing lightning wires of old and new lines, but also suitable for cylindrical overhead wire poles with different sizes; when a lightning strike occurs, lightning firstly hits a lightning rod or a lightning conductor, and then the lightning conductor guides the excessive high voltage generated by the lightning to the ground, so that the damage of the excessive high voltage generated by the lightning to a lead is effectively prevented; the overhead line rack and the lightning protection rack are combined into a whole, so that the lightning protection effect is good, the installation and the use are more convenient, the tolerance strength is higher, the damage rate is low, the service life is long, and the normal operation of an electric circuit is effectively ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of a stationary anchor ear and an upright;

reference numerals in the drawings: 1-fixed anchor clamps, 2-upright posts, 3-upright beams, 4-cantilever beams, 5-crosspieces, 6-column insulators, 7-limiting frames, 8-positioning plates, 9-mounting hole groups, 10-suspension insulators, 11-lightning rods, 12-mounting seats, 13-needle bodies, 14-reinforcing rib rods, 15-reinforcing rib plates and 16-positioning hole groups.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the following detailed description is provided with reference to the accompanying drawings.

The lightning protection bracket for the overhead wire pole, as shown in fig. 1-2, including fixed anchor ear 1, stand 2, crosspiece 5, fixed anchor ear 1 sets up in stand 2 lower part, crosspiece 5 sets up in stand 2 lower part, sets up column type insulator 6 in the both ends or arbitrary end of crosspiece 5, each stand 2 is L-shaped structure by setting up of standing beam 3 and outrigger 4 integrated into one piece structure, can reduce adapting unit, makes the structure more firm, all establishes two at least fixed anchor ear 1 in standing beam 3 lower part, and fixed anchor ear 1 connects two posts 2 into an overall structure, reinforcing connection steadiness, sets up suspension insulator 10 or column type insulator 6 at the end of outrigger 4, possesses the function of setting up or installing the wire additional, promotes application scope, in each of fixed anchor ear 1 top the standing beam 3 lower part all sets up a plurality of mounting holes, and crosspiece 5 passes through mounting hole and bolt setting up on two standing beams 3, conveniently adjusts different mounting height, is provided with spacing frame 7 through the mounting hole on the mounting hole of two standing beam 3 lower part, sets up at two locating plate 8 at two tops 8.

The included angle gamma between the vertical beam 3 and the cantilever beam 4 is 70-90 degrees, and a reinforcing rib rod 14 is arranged between the vertical beam 3 and the cantilever beam 4, so that the strength of the bending part of the vertical beam 3 and the cantilever beam 4 is improved.

At least four mounting holes are formed in each vertical beam 3, positioning hole groups 16 are respectively arranged on the crosspiece 5 and the positioning plate 8 corresponding to the vertical columns 2, and each positioning hole group 16 comprises at least three positioning holes which are equidistantly arranged.

The center of the locating plate 8 is provided with a through hole, and two sides of the through hole are respectively provided with a suspension insulator 10.

The lightning rod 11 include mount pad 12 and needle body 13, mount pad 12 cover is located optional end of locating plate 8 to with bolt fixed connection, needle body 13 vertical fixation sets up in the mount pad 12 top, the material of mount pad 12 is ceramic, needle body 13 lower part sets up the ground wire.

The limiting frame 7 is arranged to be of an H-shaped structure, and two ends of the limiting frame are respectively connected with the vertical beams 3 through bolts.

The upper part of the vertical beam 3 of the vertical column 2 is bent inwards, and the bending angle beta is 150-180 degrees.

The upright post 2 and the crosspiece 5 are made of angle steel respectively, and reinforcing rib plates 15 are arranged at the bending parts of the angle steel, so that the strength of the upright post 2 and the crosspiece 5 is improved.

The working mode of the utility model is as follows: install the top of overhead line pole to make spacing 7 press and play the effect of support at overhead line pole top, prevent this device atress in long-time use along the overhead line pole downwardly sliding, then fix stand 2 on the overhead line pole through fixed staple bolt 1, thereby realize the installation fixedly.

When the lightning protection device is used, a wire passes through the column insulator 6 of the crosspiece 5 or the cantilever beam 4, a lightning conductor passes through the suspension insulator 10, and the ground wire on the needle body 13 is connected with the lightning conductor, when lightning stroke occurs, current is guided to the lightning conductor by the needle body 13 to be discharged, and the wire is effectively prevented from being struck by lightning.

When the electric pole fixing device is used, the fixing anchor ear 1 can be adjusted, and the installation positions are connected through the different installation holes, so that the electric pole fixing device can be flexibly used according to the sizes of the electric poles, and therefore the installation and use requirements of different electric poles are met.

Claims (8)

1. The utility model provides a lightning protection support for overhead line pole, includes fixed staple bolt (1), stand (2), crosspiece (5), and fixed staple bolt (1) set up in stand (2) lower part, and crosspiece (5) set up in stand (2) lower part, sets up column insulator (6) at the both ends or the arbitrary one end of crosspiece (5), its characterized in that: each upright post (2) is of an L-shaped structure formed by an upright beam (3) and a cantilever beam (4) in an integrated mode, at least two fixed anchor clamps (1) are arranged at the lower portion of the upright beam (3), the fixed anchor clamps (1) are used for connecting the two upright posts (2) into an integral structure, a suspension insulator (10) or a column insulator (6) is arranged at the tail end of the cantilever beam (4), a plurality of mounting holes are formed in the middle lower portion of each upright beam (3) above the fixed anchor clamps (1), a crosspiece (5) is arranged on the two upright beams (3) through the mounting holes and bolts, a limiting frame (7) is arranged on the mounting holes at the bottommost portion of the two upright beams (3) through the mounting holes and bolts, a positioning plate (8) is arranged at the top of the two upright beams (3), and a lightning rod (11) is arranged at any end of the positioning plate (8).

2. A lightning protection support for a trolley pole according to claim 1, wherein: the included angle gamma between the vertical beam (3) and the cantilever beam (4) is 70-90 degrees, and a reinforcing rib rod (14) is arranged between the vertical beam (3) and the cantilever beam (4).

3. A lightning protection support for a trolley pole according to claim 1, wherein: at least four mounting holes are formed in each vertical beam (3), positioning hole groups (16) are formed in each crosspiece (5) and each positioning plate (8) corresponding to each vertical column (2), and each positioning hole group (16) comprises at least three positioning holes which are equidistantly arranged.

4. A lightning protection support for a trolley pole according to claim 1, wherein: the center of the locating plate (8) is provided with a through hole, and two sides of the through hole are respectively provided with a suspension insulator (10).

5. A lightning protection support for a trolley pole according to claim 1, wherein: the lightning rod (11) include mount pad (12) and needle body (13), mount pad (12) cover is located optional end of locating plate (8) to with bolt fixed connection, needle body (13) vertical fixation sets up in mount pad (12) top, the material of mount pad (12) is ceramic, needle body (13) lower part sets up the ground wire.

6. A lightning protection support for a trolley pole according to claim 1, wherein: the limiting frame (7) is of an H-shaped structure, and two ends of the limiting frame are respectively connected with the vertical beams (3) through bolts.

7. A lightning protection support for a trolley pole according to claim 1, wherein: the upper part of the vertical beam (3) of the vertical column (2) is bent inwards, and the bending angle beta is 150-180 degrees.

8. A lightning protection support for a trolley pole according to claim 1, wherein: the upright post (2) and the crosspiece (5) are respectively made of angle steel, and reinforcing rib plates (15) are arranged at the bending parts of the angle steel.