CN219370698U - Lightning-proof composite insulator - Google Patents

Abstract

The utility model provides a lightning-proof composite insulator, which comprises a lightning-proof composite insulator body, wherein an arc striking head is fixedly connected to one side surface of the lightning-proof composite insulator body, a mounting mechanism is arranged on the lower surface of the lightning-proof composite insulator body, an arc striking rod is fixedly connected to the outer side surface of the lightning-proof composite insulator body, an electricity-checking grounding hook is fixedly connected to the outer side surface of the lightning-proof composite insulator body, and a lower clamping plate is fixedly connected to the upper surface of the lightning-proof composite insulator body. This lightning protection composite insulator, through the setting of spacing groove, spring, spill piece, constant head tank and recess, punch holder and lower plate are rotated and are connected, when needs installation high-voltage line, put the electric wire between punch holder and lower plate at first, later pulling spill piece, pulling spring, then come down the punch holder rotation, push down the high-voltage line, then release the spill piece again, the spring shrink, draw into the constant head tank with the spill piece in, can fix the high-voltage line.

Description

Lightning-proof composite insulator

Technical Field

The utility model relates to the technical field related to insulators, in particular to a lightning protection composite insulator.

Background

The insulator is a device which is arranged between conductors with different electric potentials or conductors and a grounding component and can bear the action of voltage and mechanical stress, the insulator has various types and different shapes, the structure and the appearance of different types of insulators have great differences, but the insulator consists of two parts of an insulator and a connecting fitting, the insulator is a special insulating control which can play an important role in an overhead transmission line, the insulator is mainly used for a telegraph pole in the early years, a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower, the insulator is usually made of glass or ceramic for increasing the creepage distance, the insulator plays two basic roles in the overhead transmission line, namely, supporting wires and preventing current from flowing back to the ground, the two roles must be ensured, the insulator should not lose efficacy due to various electromechanical stresses caused by the change of environmental and electric load conditions, otherwise, the insulator will not generate great effect, the service life of the whole line will be damaged, the insulator is generally made of composite material, and because the composite insulator is generally installed on the high-voltage line, the composite insulator may suffer from thunderstorm, in order to reduce the influence of thunderstorm on the line, generally when the overhead insulated transmission and distribution network is directly struck by lightning or induced by lightning, the air gap provided by the arc striking rods at the left and right ends of the insulator can act and discharge before the insulator flashover, the flashover channel of lightning is provided, the power frequency arc or the arc root of single-phase short circuit current established on the flashover channel of lightning can only be fixed on the high-low voltage electrode provided by the arc striking rod, but not flow to the insulator body or the wire, thereby avoiding the burn of the insulator umbrella group, even the phenomenon of blowing out the insulated wire occurs, the existing anti-explosion composite insulator is generally inconvenient to use and disassemble, and therefore, the anti-explosion composite insulator is particularly needed.

But current lightning protection composite insulator that explodes, when using, current lightning protection composite insulator is when changing, takes off the high-voltage line inconvenient enough, in order to reduce the influence that causes the user when high-voltage electricity maintains, so generally for electrified work when maintaining the high-voltage line, so needs maintainer to take off the high-voltage line as early as possible, prevents that contact time overlength from appearing unexpected condition and leading to the maintainer to electrocute.

Disclosure of Invention

The utility model aims to provide a lightning protection composite insulator, which solves the problems that the existing lightning protection composite insulator provided in the background art is inconvenient to take down a high-voltage wire when being replaced, and is generally electrified when the high-voltage wire is maintained in order to reduce the influence on a user when the high-voltage wire is maintained, so that maintenance personnel are required to take down the high-voltage wire as soon as possible, and electric shock of the maintenance personnel is prevented due to overlong contact time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compound insulator of lightning protection, includes lightning protection and explodes compound insulator body and coupling mechanism, coupling mechanism includes spacing groove, spring, spill piece, constant head tank and recess, one side surface mounting that the compound insulator body was exploded in the lightning protection has the striking head, the below surface that the compound insulator body was exploded in the lightning protection is provided with installation mechanism, the outside surface mounting that the compound insulator body was exploded in the lightning protection has the striking stick, the outside surface mounting that the compound insulator body was exploded in the lightning protection has the electricity test ground connection hook, the top surface mounting that the compound insulator body was exploded in the lightning protection is connected with the lower plate, one side surface of lower plate is provided with coupling mechanism, one side surface of coupling mechanism is provided with the punch holder.

Preferably, the installation mechanism comprises a screw rod, a spring washer and a screw cap, wherein the screw rod is fixedly connected to the lower surface of the anti-explosion composite insulator body, the spring washer is sleeved on the outer side surface of the screw rod, and the screw cap is connected to the outer side surface of the screw rod in a threaded manner.

Preferably, a limit groove is formed in one side surface of the lower clamping plate, a spring is fixedly connected to the inner side bottom end of the limit groove, a concave block is fixedly connected to the other end of the spring, an upper clamping plate is connected to the outer side surface of the concave block in a sliding mode, a positioning groove is formed in one side surface of the upper clamping plate, and a groove is formed in one side surface of the upper clamping plate.

Preferably, the springs are arranged at the inner bottom ends of the limiting grooves at equal intervals, and the shapes and the sizes of the springs are equal.

Preferably, the outer wall size of the concave block is identical with the inner wall size of the positioning groove, and the limiting groove and the concave block form a telescopic structure through a spring.

Compared with the prior art, the utility model has the beneficial effects that: this lightning protection composite insulator, through the setting of spacing groove, a spring, the concave block, constant head tank and recess, punch holder and lower plate are rotated and are connected, when needs installation high-voltage line, firstly put the electric wire between punch holder and lower plate, later pulling concave block, the pulling spring, then rotate the punch holder down, push down the high-voltage line, then release concave block, the spring shrink, pull into the constant head tank with concave block, can fix the high-voltage line, when needs maintain the high-voltage line, only need insert the recess with the screwdriver in, sled moves concave block, prevent concave block time overlength by corrosion, lead to concave block to block, later pulling concave block, make concave block leave in the constant head tank, can rotate the punch holder up this moment, can take off the high-voltage line, convenient and fast, reach the effect that makes maintainer safer.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the mounting mechanism of the present utility model;

FIG. 3 is a schematic diagram showing the mutually matched structure of the limit groove and the spring of the utility model;

FIG. 4 is a schematic cross-sectional view of the connecting mechanism of the present utility model.

In the figure: 1. a lightning-proof composite insulator body; 2. an arc striking head; 3. a mounting mechanism; 301. a screw; 302. a spring washer; 303. a screw cap; 4. an arc striking rod; 5. an electricity testing grounding hook; 6. a lower clamping plate; 7. a connecting mechanism; 701. a limit groove; 702. a spring; 703. a concave block; 704. a positioning groove; 705. a groove; 8. and an upper clamping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a lightning protection composite insulator, including lightning protection composite insulator body 1 and coupling mechanism 7, coupling mechanism 7 includes spacing groove 701, spring 702, concave block 703, constant head tank 704 and recess 705, one side surface fixedly connected with striking head 2 of lightning protection composite insulator body 1, the below surface of lightning protection composite insulator body 1 is provided with installation mechanism 3, the outside surface fixedly connected with striking stick 4 of lightning protection composite insulator body 1, the outside surface fixedly connected with of lightning protection composite insulator body 1 tests electric ground connection hook 5, the top surface fixedly connected with lower plate 6 of lightning protection composite insulator body 1, one side surface of lower plate 6 is provided with coupling mechanism 7, one side surface of coupling mechanism 7 is provided with punch holder 8; by means of the structure, when the lightning protection composite insulator body 1 needs to be maintained, the ground wire is connected to the electricity testing grounding hook 5, so that the safety of the electrifying operation is improved.

Further, the installation mechanism 3 comprises a screw 301, a spring washer 302 and a screw cap 303, wherein the screw 301 is fixedly connected to the lower surface of the anti-explosion composite insulator body 1, the spring washer 302 is sleeved on the outer side surface of the screw 301, and the screw cap 303 is connected to the outer side surface of the screw 301 in a threaded manner; by means of the structure, the screw 301 is inserted into the mounting frame, the spring washer 302 is sleeved on the outer side of the screw 301, the nut 303 is screwed down, and the anti-explosion composite insulator body 1 is fixed to the mounting frame.

Further, a limiting groove 701 is formed in one side surface of the lower clamping plate 6, a spring 702 is fixedly connected to the bottom end of the inner side of the limiting groove 701, a concave block 703 is fixedly connected to the other end of the spring 702, an upper clamping plate 8 is slidingly connected to the outer side surface of the concave block 703, a positioning groove 704 is formed in one side surface of the upper clamping plate 8, and a groove 705 is formed in one side surface of the upper clamping plate 8; by means of the structure, when the high-voltage wire is required to be installed, the upper clamping plate 8 and the lower clamping plate 6 are connected in a rotating mode, firstly, the electric wire is placed between the upper clamping plate 8 and the lower clamping plate 6, then the concave block 703 is pulled, the spring 702 is pulled, then the upper clamping plate 8 is rotated down to press the high-voltage wire, then the concave block 703 is released, the spring 702 contracts, the concave block 703 is pulled into the positioning groove 704, the high-voltage wire can be fixed, when the high-voltage wire is required to be maintained, only a screwdriver is required to be inserted into the groove 705, the concave block 703 is pried, the concave block 703 is prevented from being corroded too long, the concave block 703 is clamped, then the concave block 703 is pulled, the concave block 703 is separated from the positioning groove 704, at the moment, the upper clamping plate 8 can be rotated up, the high-voltage wire can be taken down conveniently and rapidly, and the effect that maintenance personnel are safer is achieved.

Further, the springs 702 are arranged at the inner bottom end of the limiting groove 701 at equal intervals, and the shapes and the sizes of the springs are equal; by means of the structure, the springs 702 are arranged at the inner bottom end of the limiting groove 701 at equal intervals, so that the concave blocks 703 can be more stable when being stretched.

Further, the outer wall size of the concave block 703 is identical to the inner wall size of the positioning groove 704, and the limiting groove 701 and the concave block 703 form a telescopic structure through the spring 702; by the above structure, the outer wall size of the concave block 703 is matched with the inner wall size of the positioning groove 704, so that the concave block 703 can be more stable when sliding.

Working principle: firstly, when the lightning-proof composite insulator body 1 needs to be maintained, the ground wire is connected to the electricity-testing ground hook 5, so that the safety of the electrifying working is improved, the screw 301 is inserted into the mounting frame, then the spring washer 302 is sleeved outside the screw 301, then the screw cap 303 is screwed down, further the lightning-proof composite insulator body 1 is fixed on the mounting frame, the upper clamping plate 8 and the lower clamping plate 6 are rotationally connected, when a high-voltage wire needs to be installed, firstly, the electric wire is placed between the upper clamping plate 8 and the lower clamping plate 6, then the concave block 703 is pulled, the spring 702 is pulled, then the upper clamping plate 8 is rotated down to press the high-voltage wire, then the concave block 703 is released, the spring 702 is contracted, the concave block 703 is pulled into the positioning groove 704, the high-voltage wire can be fixed, when the high-voltage wire needs to be maintained, only the screw driver is required to be inserted into the groove, the concave block 703 is pried, the concave block 703 is prevented from being corroded for too long, the concave block 703 is pulled to be clamped, the concave block 703 is enabled to leave the positioning groove 704, when the upper clamping plate 8 is required to be screwed up, the high-voltage wire can be taken down, the high-voltage wire can be more conveniently and the size of the inner wall of the lightning-proof composite insulator body is more stable, and the size of the lightning-proof insulator body can be more stable, and the size of the inner wall 703 can be more stable when the size is more stable than the inner than the concave block 703 is matched with the sliding groove, and the inner wall, and the size of the high-voltage insulator 703 can be more stable, and the size can be more stable when the high-insulated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a compound insulator of lightning protection, includes that compound insulator body (1) and coupling mechanism (7) are exploded in lightning protection, its characterized in that: coupling mechanism (7) are including spacing groove (701), spring (702), spill piece (703), constant head tank (704) and recess (705), one side fixed surface of lightning protection explosion-proof composite insulator body (1) is connected with striking head (2), the below surface of lightning protection explosion-proof composite insulator body (1) is provided with installation mechanism (3), the outside fixed surface of lightning protection explosion-proof composite insulator body (1) is connected with striking stick (4), the outside fixed surface of lightning protection explosion-proof composite insulator body (1) is connected with and tests electric ground connection hook (5), the top fixed surface of lightning protection explosion-proof composite insulator body (1) is connected with lower plate (6), one side surface of lower plate (6) is provided with coupling mechanism (7), one side surface of coupling mechanism (7) is provided with punch holder (8).

2. The lightning protection composite insulator of claim 1, wherein: the mounting mechanism (3) comprises a screw (301), a spring washer (302) and a screw cap (303), wherein the screw (301) is fixedly connected to the lower surface of the anti-explosion composite insulator body (1), the spring washer (302) is sleeved on the outer side surface of the screw (301), and the screw cap (303) is connected to the outer side surface of the screw (301) in a threaded mode.

3. The lightning protection composite insulator of claim 1, wherein: limiting grooves (701) are formed in one side surface of the lower clamping plate (6), springs (702) are fixedly connected to the inner side bottom ends of the limiting grooves (701), concave blocks (703) are fixedly connected to the other ends of the springs (702), upper clamping plates (8) are slidably connected to the outer side surfaces of the concave blocks (703), positioning grooves (704) are formed in one side surface of the upper clamping plates (8), and grooves (705) are formed in one side surface of the upper clamping plates (8).

4. A lightning protection composite insulator according to claim 3, wherein: the springs (702) are arranged at the inner bottom end of the limiting groove (701) at equal intervals, and the shapes and the sizes of the springs are equal.

5. A lightning protection composite insulator according to claim 3, wherein: the outer wall size of the concave block (703) is matched with the inner wall size of the positioning groove (704), and the limiting groove (701) and the concave block (703) form a telescopic structure through a spring (702).