CN112309654B

CN112309654B - Overhead transmission line is with insulator that has automatically cleaning effect

Info

Publication number: CN112309654B
Application number: CN202011086440.5A
Authority: CN
Inventors: 周如国
Original assignee: Zhejiang Conwell Electric Co ltd
Current assignee: Zhejiang Conwell Electric Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2022-10-04
Anticipated expiration: 2040-10-12
Also published as: CN112309654A

Abstract

The invention relates to the technical field of cleaning of insulators of overhead transmission lines, in particular to an insulator with a self-cleaning effect for an overhead transmission line. It includes cleaning portion, at least including solid fixed ring in the cleaning portion, gu fixed ring's lateral wall is even fixedly connected with mount pad all around, the mount pad inner wall has seted up the slot near right side opening edge all around, the mount pad inner wall has seted up the swivelling chute near the position at center all around, the draw-in groove has been seted up on the swivelling chute right side, the mount pad left side is provided with sealed lateral wall, the left and right sides edge of spliced eye has seted up the locking screw, power part includes the connecting rod, connecting rod one end fixedly connected with hemisphere type wind cup, the connecting rod other end is close to a plurality of fixture blocks of fixedly connected with on the lateral wall all around of edge, through the cleaning brush that cleaning portion set up closely laminated with the full skirt upper surface, the cleaning of full skirt upper surface is realized to the cleaning of full skirt along with solid fixed ring's rotation to the cleaning brush, and then the automatically cleaning of insulator in the use has been realized.

Description

Overhead transmission line is with insulator that has automatically cleaning effect

Technical Field

The invention relates to the technical field of cleaning of insulators of overhead transmission lines, in particular to an insulator with a self-cleaning effect for an overhead transmission line.

Background

The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators, the insulators play the roles of supporting wires and preventing current from flowing back to the ground in overhead transmission lines.

As one of the important equipment of the transmission line, the insulator is used on the high-voltage, ultrahigh-voltage and extra-high-voltage transmission lines around the world, and provides reliable guarantee for the safe operation of the transmission lines of all countries, however, because the insulator is mainly used outdoors, the environment is severe, the insulator is easy to be polluted in the using process, the pollution flashover accidents of the insulator of the power system are increasingly prominent, the pollution flashover refers to the pollution substances with conductive performance accumulated on the surface of the insulator, after the damp weather, the insulation level of the insulator is greatly reduced, and the flashover accidents occurring under the normal operation usually need to clean the surface of the insulator in time.

Disclosure of Invention

The invention aims to provide an insulator with a self-cleaning effect for an overhead transmission line, so as to solve the problems in the background technology.

In order to achieve the above object, the present invention provides an insulator with a self-cleaning effect for an overhead transmission line, including a main body and an insulating sheath mounted on the main body, wherein the insulating sheath at least includes:

the cleaning part at least comprises a fixing ring, a bearing is fixedly arranged on the inner side wall of the fixing ring, a mounting seat is uniformly and fixedly connected to the periphery of the outer side wall of the fixing ring, a slot is formed in the periphery of the inner wall of the mounting seat, which is close to the edge of an opening on the right side, a rotating groove is formed in the periphery of the inner wall of the mounting seat, which is close to the center, a clamping groove is formed in the right side of the rotating groove, a sealing side wall is arranged on the left side of the mounting seat, a limiting clamping column is fixedly connected to the center of the right side wall of the sealing side wall, a spring is nested on the limiting clamping column, a stress plate is fixedly connected to the other end of the spring, inserting holes are symmetrically formed in the periphery of the outer side wall of the fixing ring, and locking screw holes are formed in the edges of the left side and the right side of each inserting hole;

the power part comprises a connecting rod, one end of the connecting rod is fixedly connected with a hemispherical wind cup, and the peripheral side wall of the other end of the connecting rod, which is close to the edge, is fixedly connected with a plurality of clamping blocks;

the power part of this embodiment is at concrete during operation, when the hemisphere type wind cup of aiming at the air current receives the effect of wind pressure, the wind pressure produces certain torque and makes hemisphere type wind cup rotatory, and then drive solid fixed ring and rotate along the bearing, it is further, when the change is dismantled to hemisphere type wind cup when needs, press to the mount pad direction through the connecting rod, the thrust that the atress board received the connecting rod removes to sealed lateral wall direction, spring atress compression energy storage, rotatory connecting rod simultaneously, fixture block on the connecting rod is at the swivelling chute internal rotation, when the fixture block is rotatory to aligning with the slot, the resilience force of spring promotes the connecting rod and outwards removes, the fixture block is ejecting from the slot by the atress board, can realize the dismantlement to the power part, and the same reason, the power part of change is fixed through pegging graft with the mount pad.

The cleaning brush comprises a cleaning brush body, wherein one end of the cleaning brush body is provided with an insertion arm, the front side and the rear side of the insertion arm are respectively provided with a convex block, the center of the surface of the side wall of the right end of each convex block is provided with a screw hole, a locking nut is connected with the screw hole in a threaded manner, and the lower surface of the cleaning brush body is fixedly connected with brush bristles;

the cleaning brush of this embodiment drives solid fixed ring through hemisphere type wind cup and rotates at concrete during operation, and the cleaning brush rotates along with solid fixed ring, and simultaneously, cleaning brush and the inseparable laminating of full skirt upper surface realize the cleanness to the full skirt upper surface through pivoted cleaning brush, drives the automatically cleaning that cleaning brush realized the insulator through utilizing wind-force, and the full skirt upper surface rainwater and the dust of having solved the insulator are piled up easily, reduce the insulator and use and the problem of running life.

As a further improvement of the technical scheme, the upper end and the lower end of the outer wall of the insulating sheath are close to the insulating arcs fixedly connected with the edges, the central position of the outer wall of the insulating sheath is fixedly connected with an umbrella skirt, the top of the umbrella skirt is provided with an installation rod, and the upper end and the lower end of the installation rod are fixedly connected with lead screws.

As a further improvement of the technical solution, the cleaning part is fixed by the bearing and movably connected with the mounting rod, the height of the mounting rod is smaller than that of the fixing ring, an upper locking nut is arranged on the screw rod at the top of the cleaning part, and a lower locking nut is arranged on the screw rod at the lower part of the cleaning part.

As a further improvement of the technical scheme, the rotary groove is communicated with the slot, the rotary groove is communicated with the clamping groove, and the sizes of the rotary groove, the slot and the clamping groove are all matched with the size of the clamping block.

As a further improvement of the technical scheme, the power part is clamped and fixed with the clamping groove of the mounting seat through the clamping block, and the size of the connecting rod is matched with the opening hole diameter of the mounting seat.

As a further improvement of the technical scheme, the size of the stress plate is matched with the inner diameter of the mounting seat, and the stress plate is fixedly connected with the sealing side wall through the spring.

As a further improvement of the technical scheme, the cleaning brush is fixedly connected with the plug-in hole in a plug-in mode through the plug-in arm, and the cleaning brush is connected with the locking screw hole in a threaded mode through the locking nut.

As a further improvement of the technical scheme, the convex block is attached to the outer side wall of the fixing ring, and the locking screw hole is aligned with the locking nut left and right.

As a further improvement of the technical scheme, the umbrella skirt adopts a disc-shaped structural design, and the cleaning brush is attached to the upper surface of the umbrella skirt.

As a further improvement of the technical scheme, the power parts are uniformly arranged around the outer side wall of the fixing ring by taking the center of the fixing ring as a circle center, and the opening directions of the hemispherical wind cups are the same.

Compared with the prior art, the invention has the following beneficial effects:

1. this overhead transmission line is with insulator that has automatically cleaning effect, through setting up the power part, through the hemisphere type wind cup that sets up on the power part, receive the effect of air current through hemisphere type wind cup, the wind pressure that the air current produced produces certain torque and makes hemisphere type wind cup rotatory, and then drives solid fixed ring along the bearing rotation by rotatory hemisphere type wind cup, provides sufficient power for solid fixed ring's rotation.

2. This overhead transmission line is with insulator that has automatically cleaning effect, through setting up clean portion, through the clean brush that closely laminates with the full skirt upper surface that clean portion set up, clean brush realizes the cleanness to the full skirt upper surface along with solid fixed ring's rotation, and then has realized the automatically cleaning of insulator in the use.

3. This overhead transmission line is with insulator that has automatically cleaning effect, through setting up detachable power spare and cleaning brush, be convenient for to the dismantlement of power spare and cleaning brush, made things convenient for power spare and cleaning brush later maintenance and maintenance, solved the tradition and had the cleaning brush difficult problem of dismantling of automatically cleaning insulator.

4. This overhead transmission line is with insulator that has automatically cleaning effect, through setting up the lead screw, through with lead screw threaded connection's last locking cap and lower locking cap, realize highly adjusting the clean portion at installation pole position, adjust the distance between cleaning brush and the full skirt upper surface, ensure the laminating effect of cleaning brush to the full skirt upper surface, and then the clean effect of guarantee cleaning brush to the full skirt upper surface.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of the overall plan structure of embodiment 1;

FIG. 3 is a partial plan view showing the structure of the insulating sheath according to embodiment 1;

FIG. 4 is a partial structural view of an insulating sheath according to embodiment 1;

FIG. 5 is a partially enlarged schematic view of structure A of example 1;

FIG. 6 is a schematic view of the cleaning section in embodiment 1;

FIG. 7 is a partial structural view of a cleaning part according to embodiment 1;

fig. 8 is a partially enlarged structural view of structure B of embodiment 1;

FIG. 9 is a schematic view of a structure of a cleaning brush according to embodiment 1;

FIG. 10 is a partially enlarged schematic view of structure C of example 1;

FIG. 11 is a schematic view of the structure of the mount of embodiment 1;

FIG. 12 is a sectional view showing the structure of the mount according to embodiment 1;

FIG. 13 is a plan view of the mount of embodiment 1;

FIG. 14 is a schematic plan view of the sealing side wall in accordance with example 1;

FIG. 15 is a schematic structural view of a power element according to embodiment 1;

fig. 16 is a schematic plan view of the cleaning brush of embodiment 1.

The various reference numbers in the figures mean:

1. a main body;

2. an insulating sheath; 201. an insulating arc; 202. mounting a rod; 203. a screw rod; 2031. an upper locking cap; 2032. a locking cap is arranged;

3. an umbrella skirt;

4. a cleaning section; 401. a fixing ring; 402. a bearing; 403. a power member; 4031. a connecting rod; 4032. a hemispherical wind cup; 4033. a clamping block; 404. a mounting base; 4041. inserting slots; 4042. a rotating tank; 4043. a card slot; 4044. sealing the side wall; 4045. a stress plate; 4046. a spring; 4047. limiting the clamp column; 405. inserting holes; 4051. locking the screw hole;

5. a cleaning brush; 501. a plugging arm; 502. a bump; 503. locking the nut; 504. and (4) brush hairs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 16, an object of the present invention is to provide an insulator with a self-cleaning effect for an overhead power transmission line, including a main body 1 and an insulating sheath 2 mounted on the main body 1, where the insulating sheath 2 at least includes:

cleaning portion 4, at least, including solid fixed ring 401 in cleaning portion 4, fixed ring 401 is last to have fixed bearing 402 fixed mounting, solid fixed ring 401's lateral wall is even fixedly connected with mount pad 404 all around, mount pad 404 inner wall has seted up slot 4041 near right side opening edge all around, mount pad 404 inner wall has seted up the swivelling chute 4042 near the position of center all around, the swivelling chute 4042 right side has seted up the draw-in groove 4043, the mount pad 404 left side is provided with sealed lateral wall 4044, the right side wall center department fixedly connected with spacing calorie of post 4047 of sealed lateral wall 4044, the nest has spring 4046 on the spacing calorie of post 4047, the other end fixedly connected with atress board 4045 of spring 4046, gu fixed ring 401's lateral wall has seted up spliced eye 405 all around the bilateral symmetry, locking screw 4051 has been seted up at the left and right sides edge of spliced eye 405;

the power part 403 and the power part 403 comprise a connecting rod 4031, one end of the connecting rod 4031 is fixedly connected with a hemispherical wind cup 4032, and the peripheral side wall of the other end of the connecting rod 4031 close to the edge is fixedly connected with a plurality of clamping blocks 4033;

the cleaning brush 5 of this embodiment is at specific during operation, drive solid fixed ring 401 through hemisphere type wind cup 4032 and rotate, cleaning brush 5 follows solid fixed ring 401 and rotates together, and simultaneously, cleaning

brush

5 and 3 upper surfaces of full skirt closely laminate, realize the cleanness to 3 upper surfaces of full skirt through pivoted cleaning brush 5, drive cleaning brush 5 through utilizing wind-force and realize the automatically cleaning of insulator, 3 upper surface rainwater of full skirt and the dust of having solved the insulator pile up easily, reduce the problem of insulator use and running life.

The cleaning brush 5 is characterized in that one end of the cleaning brush 5 is provided with an insertion arm 501, the front side and the rear side of the insertion arm 501 are both provided with a convex block 502, the center of the side wall surface of the right end of the convex block 502 is provided with a screw hole, a locking nut 503 is connected to the screw hole in an internal thread mode, and the lower surface of the cleaning brush 5 is fixedly connected with bristles 504;

when the power element 403 of this embodiment works specifically, when the hemispherical wind cup 4032 that is aligned with an air flow is subjected to the action of wind pressure, the wind pressure generates a certain torque to rotate the hemispherical wind cup 4032, and further, the fixing ring 401 is driven to rotate along the bearing 402, further, when the hemispherical wind cup 4032 needs to be detached and replaced, the hemispherical wind cup 4032 is pressed toward the mounting seat 404 through the connecting rod 4031, the stressed plate 4045 receives the thrust of the connecting rod 4031 and moves toward the sealing side wall 4044, the spring 4046 is stressed and compressed to store energy, meanwhile, the connecting rod 4031 is rotated, the fixture block 4033 on the connecting rod 4031 rotates in the rotating groove 4042, when the fixture block 4033 rotates to be aligned with the slot 4041, the resilience of the spring 4046 pushes the connecting rod 4031 to move outward, and the fixture block 4033 is ejected from the slot 4041 by the stressed plate 4045, so that the power element 403 can be detached, and similarly, and the replaced power element 403 is fixed to the mounting seat 404 through plugging.

Further, both ends are close to the equal fixedly connected with insulating arc 201 of edge about 2 outer walls of insulating sheath, and the central point of 2 outer walls of insulating sheath puts fixedly connected with full skirt 3, and the top of full skirt 3 is provided with installation pole 202, the equal fixedly connected with lead screw 203 in both ends about installation pole 202.

Wherein, cleaning portion 4 is fixed through bearing 402 and installs pole 202 swing joint, and it is highly less than solid fixed ring 401 height to install pole 202, be provided with locking nut 2031 on the lead screw 203 at cleaning portion 4 top, be provided with down locking nut 2032 on the lead screw 203 of 4 low portions of cleaning portion, through adjusting locking nut 2031 and the realization of locking nut 2032 down the regulation to cleaning portion 4 position, and then realize the regulation to cleaning

brush

5 and 3 upper surface distances of full skirt, ensure the cleaning effect of cleaning brush 5 to 3 upper surface of full skirt.

Still further, the rotating groove 4042 communicates with the slot 4041, the rotating groove 4042 communicates with the slot 4043, the size of each of the rotating groove 4042, the slot 4041 and the slot 4043 matches with the size of the fixture block 4033, the fixture block 4033 can enter the rotating groove 4042 along the slot 4041 and rotate in the rotating groove 4042, and meanwhile, the fixture block 4033 can be clamped and fixed with the slot 4043, so that the power portion 403 can be installed and fixed.

In addition, the power piece 403 is clamped and fixed with the clamping groove 4043 of the mounting seat 404 through the clamping block 4033, and the size of the connecting rod 4031 is matched with the opening aperture of the mounting seat 404, so that the connecting rod 4031 can be normally mounted and fixed with the mounting seat 404, and the stability of the power piece 403 is guaranteed.

In addition, atress board 4045 size and mount pad 404 internal diameter size looks adaptation, atress board 4045 pass through spring 4046 and sealed lateral wall 4044 fixed connection, through spring 4046's flexible characteristic, make things convenient for atress board 4045's atress to remove, simultaneously, through atress board 4045 and spring 4046's thrust, can realize fixing the connecting rod 4031 of joint in draw-in groove 4043.

Specifically, cleaning brush 5 is pegged graft fixedly through grafting arm 501 and spliced eye 405, cleaning brush 5 passes through lock nut 503 and locking screw 4051 threaded connection, and is preferred, brush hair 504 adopts carbon fiber material, because carbon fiber electrostatic brush easily installs, with low costs and have the effect of eliminating static and obtain extensive application, carbon fiber itself can corona discharge and contact discharge, can play the effect of eliminating partly static, cleaning brush 5 is the detachable design of pegging graft, the convenience is changed the cleaning brush 5 of wearing and tearing.

Further, lug 502 and the laminating of solid fixed ring 401 lateral wall, alignment about locking screw 4051 and lock nut 503, through lock nut 503 and locking screw 4051's threaded connection, the realization is to cleaning brush 5's fixed, and threaded connection makes things convenient for later maintenance and dismantlement simultaneously.

Wherein, the umbrella skirt 3 adopts the design of disk ceramic structure, and 3 surfaces of umbrella skirt cover with the enamel to improve its mechanical strength, waterproof infiltration increases surface smoothness, reduces rainwater and dust and piles up, and the laminating of cleaning

brush

5 and 3 upper surfaces of umbrella skirt has ensured the clean effect of cleaning brush 5 to 3 upper surfaces of umbrella skirt through the close laminating of cleaning

brush

5 and 3 upper surfaces of umbrella skirt.

Still further, the power member 403 is uniformly arranged around the outer side wall of the fixing ring 401 by taking the center of the fixing ring 401 as a circle center, the opening directions of the hemispherical wind cups 4032 are the same, so that the normal rotation of the power member 403 is ensured, power is provided for the rotation of the cleaning brush 5, and optionally, the power member 403 can be properly installed according to the difference of regional wind power environments through the detachable power member 403, so that the high-efficiency utilization rate of the power member 403 is ensured.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an overhead transmission line is with insulator that has automatically cleaning effect which characterized in that: insulating sheath (2) on main part (1) and installation main part (1) are included including at least in insulating sheath (2):

the cleaning device comprises a cleaning part (4), the cleaning part (4) at least comprises a fixing ring (401), a bearing (402) is fixedly installed on the inner side wall of the fixing ring (401), a mounting seat (404) is uniformly and fixedly connected to the periphery of the outer side wall of the fixing ring (401), a slot (4041) is formed in the periphery of the inner wall of the mounting seat (404) and close to the right opening edge, a rotating groove (4042) is formed in the periphery of the inner wall of the mounting seat (404) and close to the center, a clamping groove (4043) is formed in the right side of the rotating groove (4042), a sealing side wall (4044) is arranged on the left side of the mounting seat (404), a limiting clamping column (4047) is fixedly connected to the center of the right side wall of the sealing side wall (4044), a spring (4046) is nested on the limiting clamping column (4047), a stress plate (4045) is fixedly connected to the other end of the spring (4046), insertion holes (405) are symmetrically formed in the periphery of the outer side wall of the fixing ring (401), and locking screw holes (4051) are formed in the left and right edges of the insertion holes (405);

the power part (403), the power part (403) comprises a connecting rod (4031), one end of the connecting rod (4031) is fixedly connected with a hemispherical wind cup (4032), and the side wall of the periphery of the other end of the connecting rod (4031) close to the edge is fixedly connected with a plurality of clamping blocks (4033);

the cleaning brush comprises a cleaning brush (5), wherein one end of the cleaning brush (5) is provided with an insertion arm (501), the front side and the rear side of the insertion arm (501) are respectively provided with a convex block (502), the center of the surface of the side wall of the right end of the convex block (502) is provided with a screw hole, the screw hole is internally connected with a locking nut (503), and the lower surface of the cleaning brush (5) is fixedly connected with bristles (504); the upper end and the lower end of the outer wall of the insulating sheath (2) close to the edges are fixedly connected with insulating arcs (201), the central position of the outer wall of the insulating sheath (2) is fixedly connected with an umbrella skirt (3), the top of the umbrella skirt (3) is provided with a mounting rod (202), and the upper end and the lower end of the mounting rod (202) are fixedly connected with a screw rod (203); the cleaning part (4) is fixedly and movably connected with the mounting rod (202) through the bearing (402), the height of the mounting rod (202) is smaller than that of the fixing ring (401), an upper locking nut (2031) is arranged on the screw rod (203) at the top of the cleaning part (4), and a lower locking nut (2032) is arranged on the screw rod (203) at the lower part of the cleaning part (4);

the rotating groove (4042) is communicated with the inserting groove (4041), the rotating groove (4042) is communicated with the clamping groove (4043), and the sizes of the rotating groove (4042), the inserting groove (4041) and the clamping groove (4043) are matched with the size of the clamping block (4033).

2. The insulator with self-cleaning effect for the overhead transmission line according to claim 1, wherein: the power piece (403) is clamped and fixed with the clamping groove (4043) of the mounting seat (404) through the clamping block (4033), and the size of the connecting rod (4031) is matched with the opening aperture of the mounting seat (404).

3. The insulator for an overhead transmission line having a self-cleaning effect according to claim 1, wherein: the size of the stress plate (4045) is matched with the inner diameter of the mounting seat (404), and the stress plate (4045) is fixedly connected with the sealing side wall (4044) through the spring (4046).

4. The insulator with self-cleaning effect for the overhead transmission line according to claim 1, wherein: the cleaning brush (5) is fixedly connected with the plug hole (405) in a plug-in mode through the plug-in arm (501), and the cleaning brush (5) is in threaded connection with the locking screw hole (4051) through the locking nut (503).

5. The insulator with the self-cleaning effect for the overhead transmission line according to claim 1, wherein: the convex block (502) is attached to the outer side wall of the fixing ring (401), and the locking screw hole (4051) is aligned with the locking nut (503) in a left-right mode.

6. The insulator with self-cleaning effect for the overhead transmission line according to claim 1, wherein: the umbrella skirt (3) adopts a disc-shaped structural design, and the cleaning brush (5) is attached to the upper surface of the umbrella skirt (3).

7. The insulator for an overhead transmission line having a self-cleaning effect according to claim 1, wherein: the power parts (403) are uniformly arranged on the periphery of the outer side wall of the fixing ring (401) by taking the center of the fixing ring (401) as a circle center, and the opening directions of the hemispherical wind cups (4032) are the same.