CN219875040U - Lightning protection device - Google Patents

Abstract

The utility model discloses a lightning protection device, which comprises a lightning arrester and a mounting seat, wherein the mounting seat comprises an upper base, a lower base, a self-telescopic column, a first movable block and a second movable block, the upper base is provided with the lightning arrester, the upper base and the lower base can be mutually detached and mutually clamped, a first sliding groove is formed in the middle of the lower base, a first movable block and a second movable block are arranged in the first sliding groove, first tooth grooves are formed in the side surfaces of the first movable block and the second movable block, a first unidirectional tooth block and a first spring are arranged on the side surface of the first sliding groove of the lower base, the first spring pushes the first unidirectional tooth block to be inserted into the first tooth grooves, the first unidirectional tooth block limits the first movable block and the second movable block to slide in a direction away from the upper base, and two ends of the self-telescopic column are respectively connected with the first movable block and the second movable block. The utility model provides a lightning protection device which is convenient for workers to install and can make the installation firmer by utilizing self thermal expansion and cold contraction.

Description

Lightning protection device

Technical Field

The utility model relates to the technical field of lightning protection, in particular to a lightning protection device.

Background

The high-voltage transmission line is an important main city part of the power system, and a lightning protection device is required to be arranged on a transmission frame of the high-voltage transmission line, so that the power transmission equipment can be protected from being damaged by lightning, and stable transmission of power is ensured. When installing lightning protection device, the workman need climb to the high altitude and install the operation, and lightning protection device of prior art needs to install through instrument such as spanner, leads to the work operation inconvenient like this, though also has the mounting means through the buckle connection, but because the buckle is connected can not provide powerful pretightning force, leads to lightning protection device installation insecure.

Disclosure of Invention

Aiming at the prior art, the utility model provides the lightning protection device which is convenient for workers to install and can make the installation firmer by utilizing the expansion caused by heat and contraction caused by cold.

The technical scheme of the utility model is realized as follows:

the utility model provides a lightning protection device, includes arrester and mount pad, the mount pad includes base, lower base, from flexible post, first movable block and second movable block, it is equipped with to go up the base the arrester, go up base and lower base and dismantle each other and joint each other, the middle part of lower base is equipped with first spout, be equipped with in the first spout first movable block and second movable block, the side of first movable block and second movable block is equipped with first tooth's socket, the base is in down first spout side is equipped with first one-way tooth piece and first spring, first spring promotes first one-way tooth piece inserts in the first tooth's socket, first one-way tooth piece restriction first movable block and second movable block are kept away from to go up the direction slip of base, connect respectively from flexible post's both ends first movable block and second movable block, drive when expanding with heat from flexible post first movable block and second movable block motion.

Further, a supporting table is connected to the top of the first movable block, and the supporting table is located at the top of the upper base.

Further, the self-telescopic column comprises a column body, a sleeve and a flexible ring, wherein the column body is in sliding connection with the sleeve, the periphery of the column body is connected with the upper end of the flexible ring, the lower end of the flexible ring is connected with the inner wall of the sleeve, and the inner cavity of the sleeve is filled with fluid with thermal expansion and cold contraction.

Further, a storage box is arranged at the bottom of the second movable block and is communicated with the inner cavity of the sleeve through a pipeline.

Further, the upper base is provided with a sliding rod, the lower base is arranged on the second sliding groove, the sliding rod is inserted into the second sliding groove, and the side face of the lower end of the sliding rod is provided with a clamping protrusion for clamping the lower end of the second sliding groove.

Further, a shifting block is arranged at the lower end of the sliding rod.

Further, the sliding rod has elasticity.

The utility model has the beneficial effects that: go up base can with lower base fixed connection, also can dismantle each other with last base and lower base and separate, conveniently install lightning protection device on the cross arm, put the cross arm between last base and lower base when the installation, make things convenient for the staff to install the operation. The self-expansion column utilizes the effect of heat expansion and cold contraction to enable the first movable block and the second movable block to move towards the direction of the upper base, so that the lightning protection device is fixed, and the firmness of the lightning protection device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a lightning protection device according to the present utility model;

FIG. 2 is an enlarged view of area A of FIG. 2;

in the figure, a lightning arrester 1, a mounting seat 2, an upper base 3, a lower base 4, a self-telescopic column 5, a first movable block 6, a second movable block 7, a first sliding groove 8, a first tooth socket 9, a first unidirectional tooth block 10, a first spring 11, a supporting table 12, a cylinder 13, a sleeve 14, a flexible ring 15, a pipeline 16, a storage box 17, a second sliding groove 18, a sliding rod 19, a clamping protrusion 20 and a shifting block 21.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-2, a lightning protection device comprises a lightning arrester 1 and a mounting seat 2, wherein the mounting seat 2 comprises an upper base 3, a lower base 4, a self-telescopic column 5, a first movable block 6 and a second movable block 7, the upper base 3 is provided with the lightning arrester 1, the lightning arrester 1 is fixedly arranged on the upper base 3, and power transmission equipment is protected by the lightning arrester 1. Go up base 3 and lower base 4 can dismantle each other and joint each other, go up base 3 can with lower base 4 fixed connection, also can dismantle each other with last base 3 and lower base 4 and separate, conveniently install lightning protection device on the cross arm, put the cross arm between last base 3 and lower base 4 during the installation, make things convenient for the staff to install the operation. The middle part of lower base 4 is equipped with first spout 8, and first spout 8 is vertical to be set up, be equipped with in the first spout 8 first movable 6 piece and second movable 7, first movable 6 piece and second movable 7 can slide along first vertical spout, the side of first movable 6 piece and second movable 7 is equipped with first tooth's socket 9, lower base 4 is in first spout 8 side is equipped with first unidirectional tooth piece 10 and first spring 11, first spring 11 promotes first unidirectional tooth piece 10 inserts in first tooth's socket 9, after the unidirectional tooth of first unidirectional tooth piece 10 inserts in first tooth's socket, first unidirectional tooth piece 10 is at the removal of first movable 6 piece and second movable 7 now for first movable 6 piece and second movable 7 can only be to the direction that is close to upper base 3, can not move to the direction of keeping away from upper base 3. The both ends of the self-expansion column 5 are respectively connected with the first movable block 6 and the second movable block 7, and the self-expansion column 5 drives the first movable block and the second movable block to move when expanding with heat and contracting with cold, specifically: the self-expansion column 5 expands and stretches after being heated, so that the first movable block 6 and the second movable block 7 are pushed to be away from each other, but because the first movable block 6 and the second movable block 7 cannot move in a direction away from the first base, the first movable block 6 is pushed to move in the direction of the base when the self-expansion column 5 stretches, and the second movable block 7 is pulled to move in the direction of the upper base 3 when the self-expansion column 5 shortens. Therefore, the self-telescopic column 5 utilizes the effect of heat expansion and cold contraction to enable the first movable block 6 and the second movable block 7 to move towards the direction of the upper base 3, so that the lightning protection device is fixed.

The upper base 3 and the lower base 4 are clamped to the cross arm at the time of installation, and then the upper base 3 and the lower base 4 are fixed to each other. The second movable block 7 is pushed from the lower direction, and the second movable block 7 and the first movable block 6 move upwards to clamp the cross arm. After installation, along with the temperature change of the environment, the self-telescopic column 5 drives the first movable block 6 and the second movable block 7 to move upwards, so that the transverse beam is clamped more and more, and the firmness of the lightning protection device is improved.

Specifically, the top of the first movable 6 blocks is connected with a supporting table 12, the supporting table 12 is located at the top of the upper base 3, and the supporting table 12 improves the contact area, so that the lightning protection packaging device is fixed more firmly.

Specifically, the self-expansion column 5 comprises a column body 13, a sleeve 14 and a flexible ring 15, the column body 13 is in sliding connection with the sleeve 14, when the column body 13 and the sleeve 14 are far away from each other, the self-expansion column 5 is elongated, when the column body 13 and the sleeve 14 are close to each other, the self-expansion column 5 is shortened, the periphery of the column body 13 is connected with the upper end of the flexible ring 15, the lower end of the flexible ring 15 is connected with the inner wall of the sleeve 14, the tightness between the column body 13 and the sleeve 14 is improved, the column body 13 and the sleeve 14 are ensured to stably slide with each other, the inner cavity of the sleeve 14 is filled with fluid with thermal expansion and cold contraction, the fluid can be filled with liquid or gas, and the mixture of the gas and the liquid can be filled, and the fluid expands after being heated, so that the self-expansion rod is pushed to expand.

Specifically, the bottom of second movable block 7 is equipped with storage box 17, and the volume of storage box 17 is greater than the volume of sleeve 14 greatly, storage box 17 passes through pipeline 16 and the inner chamber intercommunication of sleeve 14, and the fluid expansion of the inside of storage box 17 heating can improve the flexible length from the telescopic link through setting up storage box 17, improves the response of equipment to the temperature difference.

Specifically, the upper base 3 is provided with a slide bar 19, the lower base 4 is arranged in the second slide groove 18, the slide bar 19 is inserted into the second slide groove 18, after the slide bar 19 is inserted into the second slide groove 18, the upper base 3 and the lower base 4 can be stably connected, the side surface of the lower end of the slide bar 19 is provided with a clamping protrusion 20 which clamps the lower end of the second slide groove 18, after the clamping protrusion 20 clamps the lower end of the second slide groove 18, the upper base 3 and the lower base 4 can be connected, and the operation is more convenient when the lightning protection device is installed.

Example 2

Referring to fig. 1 to 2, this embodiment is different from embodiment 1 in that a lower end of the slide bar 19 is provided with a dial block 21, and the slide bar 19 has elasticity. When the lightning protection equipment needs to be removed, the sliding rod 19 can be deformed through the shifting block 21, so that the clamping protrusion 20 is separated from the bottom of the second sliding groove 18, the fixed relation between the upper base 3 and the lower base 4 is released, and the upper base 3 is detached from the lower base 4.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a lightning protection device, its characterized in that, includes arrester and mount pad, the mount pad includes base, lower base, from flexible post, first movable block and second movable block, it is equipped with to go up the base the arrester, go up base and lower base and can dismantle each other and joint each other, the middle part of base is equipped with first spout down, be equipped with in the first spout first movable block and second movable block, the side of first movable block and second movable block is equipped with first tooth's socket, lower base is in first spout side is equipped with first unidirectional tooth piece and first spring, first spring promotes first unidirectional tooth piece inserts in the first tooth's socket, first unidirectional tooth piece restriction first movable block and second movable block are kept away from the direction of base slides on, connect respectively from the both ends of flexible post first movable block and second movable block, drive from flexible post thermal expansion when first movable block and second movable block move.

2. The lightning protection device according to claim 1, wherein a support stand is connected to the top of the first movable block, and the support stand is located at the top of the upper base.

3. The lightning protection device according to claim 1, wherein the self-telescopic column comprises a column body, a sleeve and a flexible ring, the column body is in sliding connection with the sleeve, the periphery of the column body is connected with the upper end of the flexible ring, the lower end of the flexible ring is connected with the inner wall of the sleeve, and the inner cavity of the sleeve is filled with fluid with thermal expansion and cold contraction.

4. A lightning protection device according to claim 3 wherein a storage box is provided at the bottom of the second movable block, the storage box being in communication with the interior cavity of the sleeve via a conduit.

5. The lightning protection device according to claim 1, wherein the upper base is provided with a sliding rod, the lower base is provided with a second sliding groove, the sliding rod is inserted into the second sliding groove, and a clamping protrusion for clamping the lower end of the second sliding groove is arranged on the side surface of the lower end of the sliding rod.

6. The lightning protection device according to claim 5, wherein the lower end of the slide bar is provided with a poking block.

7. The lightning protection device according to claim 5 wherein the slide bar is resilient.