CN112233863B

CN112233863B - Waterproof high-voltage porcelain insulator

Info

Publication number: CN112233863B
Application number: CN202011116905.7A
Authority: CN
Inventors: 陶能松; 唐文韬; 黄李路
Original assignee: China Railway Guocai Insulation Material Co ltd
Current assignee: China Railway Guocai Insulation Material Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2023-05-05
Anticipated expiration: 2040-10-19
Also published as: CN112233863A

Abstract

The invention discloses a waterproof high-voltage porcelain insulator which comprises a mounting plate and a ceramic body, wherein a lug is fixedly connected to the upper side wall of the mounting plate, a hexagonal groove is formed in the upper side wall of the lug, a through hole is formed in the bottom of the hexagonal groove and penetrates through the side wall below the mounting plate, a threaded rod is fixedly connected to the lower side of the ceramic body, the threaded rod penetrates through the through hole and is in threaded connection with a nut, a limiting block is fixedly connected to the side wall of the threaded rod, the limiting block is embedded in the hexagonal groove, a U-shaped block is rotatably connected to the upper end of the ceramic body through a rotating device, a fixing block is fixedly connected to the middle position of the U-shaped block, and a clamping block is rotatably connected to the upper end of the U-shaped block through a bolt. The invention relates to the technical field of electric power parts, in particular to a screw cap which is convenient to detach and rust by limiting a rotating piece of a ceramic body by utilizing a limiting block fixed on a threaded rod.

Description

Waterproof high-voltage porcelain insulator

Technical Field

The invention relates to the technical field of electric power parts, in particular to a waterproof high-voltage porcelain insulator.

Background

The insulator is a special insulation control, plays an important role in overhead transmission lines, is used for telegraph poles in the early years, and is a more-purpose insulator which is usually made of glass or ceramic for increasing the creepage distance.

At present, the porcelain insulator on the market is smooth in surface, if screw cap and bolt are rusted when dismantling, the insulator can follow the screw cap and rotate together, and the insulator is generally all installed in the high sky moreover, and operating personnel is difficult to fix the insulator, leads to dismantling work difficulty, influences the change and the maintenance of insulator.

For this purpose, we propose a waterproof high-voltage porcelain insulator to solve the above problems.

Disclosure of Invention

The invention aims to provide a waterproof high-voltage porcelain insulator, which aims to solve the problems that the surface of the porcelain insulator in the current market proposed by the background technology is smooth, if nuts and bolts are corroded during disassembly, the insulator can rotate along with the nuts, the insulator is generally installed in the high air, and an operator is difficult to fix the insulator, so that the disassembly work is difficult, and the replacement and maintenance of the insulator are affected.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a waterproof high-voltage porcelain insulator, includes mounting panel and ceramic body, the top lateral wall fixedly connected with lug of mounting panel, and the hexagon groove has been seted up to the top lateral wall of lug, the through-hole has been seted up to the tank bottom in hexagon groove, and the through-hole runs through mounting panel below lateral wall, the below of ceramic body is fixed to be connected with the threaded rod, and the threaded rod runs through-hole threaded connection has the nut, the lateral wall fixedly connected with stopper of threaded rod, and the stopper inlays to be established at hexagon inslot portion, the upper end of ceramic body is connected with the U type piece through rotating device rotation, and the intermediate position fixedly connected with fixed block of U type piece, the upper end of U type piece is connected with the clamp block through the bolt rotation, and the clamp block is located directly over the fixed block.

Preferably, the rotating device comprises a round hole formed in the side wall below the U-shaped block, the upper end of the ceramic body is fixedly connected with a connecting fitting, the upper end of the connecting fitting penetrates through the round hole to be fixedly connected with a limiting ring, and the limiting ring is located under the fixed block.

Preferably, a first clamping groove is formed in the lower side wall of the clamping block, a second clamping groove is formed in the upper side wall of the fixing block, and the first clamping groove and the second clamping groove are mutually matched.

Preferably, rounded corners are arranged at two ends of the first clamping groove and the second clamping groove respectively, and rubber pads are fixedly connected to the surfaces of the first clamping groove and the second clamping groove.

Preferably, an elastic gasket is arranged between the nut and the mounting plate.

Preferably, a mounting groove is formed in the side wall below the limiting block, and a rubber ring is fixedly embedded in the mounting groove.

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

1. the threaded rod is inserted into the through hole through the limiting block, the protruding block and the threaded rod, the limiting block is clamped into the hexagonal groove, then the threaded rod is fixed with the mounting plate through the nut, at the moment, the threaded rod and the ceramic body cannot rotate, if the insulator is corroded by rainwater after being used for a long time, the nut can be corroded, and the insulator can be directly disassembled by using the wrench, so that an operator can conveniently replace the insulator at high altitude;

2. through fixed block, U type piece and installation piece, U type piece rotates with link fitting to be connected for U type piece can rotate, is used for adjusting different angles in order to adapt to the electric wire of different directions, and the fixed block can restrict the reciprocates of spacing ring moreover, further limits the position of U type piece, makes the insulator more stable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a waterproof high-voltage porcelain insulator according to the present invention;

FIG. 2 is a schematic view of the bottom structure of a waterproof high-voltage porcelain insulator according to the present invention;

FIG. 3 is a schematic diagram of a U-shaped block structure of a waterproof high-voltage porcelain insulator according to the present invention;

fig. 4 is a schematic structural view of a mounting plate of a waterproof high-voltage porcelain insulator according to the present invention.

In the figure: 1. a mounting plate; 2. a bump; 3. a hexagonal groove; 4. a through hole; 5. a threaded rod; 6. a ceramic body; 7. a limiting block; 8. a U-shaped block; 9. a fixed block; 10. a bolt; 11. a clamping block; 12. a first clamping groove; 13. a round hole; 14. a limiting ring; 15. a screw cap; 16. connecting hardware fittings; 17. and a second clamping groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-4, a waterproof high-voltage porcelain insulator comprises a mounting plate 1 and a ceramic body 6, wherein a lug 2 is fixedly connected to the upper side wall of the mounting plate 1, a hexagonal groove 3 is formed in the upper side wall of the lug 2, a through hole 4 is formed in the bottom of the hexagonal groove 3, the through hole 4 penetrates through the lower side wall of the mounting plate 1, a threaded rod 5 is fixedly connected to the lower side of the ceramic body 6, the threaded rod 5 penetrates through the through hole 4 and is in threaded connection with a screw cap 15, an elastic gasket is arranged between the screw cap 15 and the mounting plate 1, the fixing between the threaded rod 5 and the mounting plate 1 is more stable, damage to electric wires caused by shaking of the insulator is prevented, a limit block 7 is fixedly connected to the side wall of the threaded rod 5, a mounting groove is formed in the lower side wall of the limit block 7, a rubber ring is fixedly embedded in the mounting groove, and the setting ensures that a certain buffer exists in the fixed connection between the threaded rod 5 and the mounting plate 1, the toughness of the joint of the threaded rod 5 is increased, the threaded rod 5 is prevented from being broken after long-term use, the limiting block 7 is embedded in the hexagonal groove 3, the upper end of the ceramic body 6 is rotationally connected with the U-shaped block 8 through the rotating device, the sliding device comprises a round hole 13 formed in the side wall below the U-shaped block 8, the upper end of the ceramic body 6 is fixedly connected with a connecting fitting 16, the upper end of the connecting fitting 16 penetrates through the round hole 13 to be fixedly connected with a limiting ring 14, the limiting ring 14 is positioned right below the fixed block 9, the U-shaped block 8 can rotate due to the arrangement, the U-shaped block 8 can adapt to wires with different angles under the condition that the ceramic body 6 cannot rotate, the universality of the insulator is improved, the upper end of the U-shaped block 8 is fixedly connected with a fixed block 9,U-shaped block 8 through the rotation of a bolt 10, and press from both sides tight piece 11 and be located directly over fixed block 9, first draw-in groove 12 has been seted up to the below lateral wall of pressing from both sides tight piece 11, and second draw-in groove 17 has been seted up to the top lateral wall of fixed block 9, first draw-in groove 12 and second draw-in groove 17 mutually support and set up, this setting makes the electric wire can block between first draw-in groove 12 and second draw-in groove 17, prevent to produce the friction between electric wire and pressing from both sides tight piece 11 and the fixed block 9, lead to the electric wire to damage, the both ends of first draw-in groove 12 and second draw-in groove 17 are provided with the fillet respectively, and the equal fixedly connected with rubber pad in surface of first draw-in groove 12 and second draw-in groove 17, this setting can protect the electric wire of junction, the practicality of equipment is increased.

In the invention, when the insulator is installed, the threaded rod 5 is inserted into the through hole 4, the limiting block 7 is clamped into the hexagonal groove 3, then the threaded rod 5 and the mounting plate 1 are fixed through the screw cap 15, at the moment, the threaded rod 5 and the ceramic body 6 cannot rotate, but the U-shaped block 8 is rotationally connected with the connecting fitting 16, so that the U-shaped block 8 can rotate to adjust different angles to adapt to wires in different directions, the fixing block 9 can limit the up-and-down movement of the limiting ring 14, the position of the U-shaped block 8 is further limited, the insulator is more stable, if the insulator causes corrosion of the screw cap 15 in the long-term use process, an operator can directly use a wrench to detach when the new insulator needs to be replaced, and the threaded rod 5 cannot rotate along with the screw cap 15 under the action of the limiting block 7 and the hexagonal groove 3, so that the insulator is convenient to detach.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a waterproof high-voltage porcelain insulator, includes mounting panel (1) and ceramic body (6), its characterized in that, the top lateral wall fixedly connected with lug (2) of mounting panel (1), and hexagon groove (3) have been seted up to the top lateral wall of lug (2), through-hole (4) have been seted up at the tank bottom of hexagon groove (3), and through-hole (4) run through mounting panel (1) below lateral wall, the below of ceramic body (6) is fixedly connected with threaded rod (5), and threaded rod (5) run through-hole (4) threaded connection has nut (15), the lateral wall fixedly connected with stopper (7) of threaded rod (5), and stopper (7) inlay and establish inside hexagon groove (3), the upper end of ceramic body (6) is rotated through rotating device and is connected with U type piece (8), and the intermediate position fixedly connected with fixed block (9) of U type piece (8), the upper end of U type piece (8) is rotated through bolt (10) and is connected with clamp block (11), and clamp block (11) are located the dead top of fixed block (9).

2. The waterproof high-voltage porcelain insulator according to claim 1, wherein the rotating device comprises a round hole (13) formed in the side wall below the U-shaped block (8), the upper end of the ceramic body (6) is fixedly connected with a connecting fitting (16), the upper end of the connecting fitting (16) penetrates through the round hole (13) to be fixedly connected with a limiting ring (14), and the limiting ring (14) is located right below the fixed block (9).

3. The waterproof high-voltage porcelain insulator according to claim 1, wherein a first clamping groove (12) is formed in the lower side wall of the clamping block (11), a second clamping groove (17) is formed in the upper side wall of the fixing block (9), and the first clamping groove (12) and the second clamping groove (17) are mutually matched.

4. The waterproof high-voltage porcelain insulator according to claim 3, wherein rounded corners are respectively arranged at two ends of the first clamping groove (12) and the second clamping groove (17), and rubber pads are fixedly connected to surfaces of the first clamping groove (12) and the second clamping groove (17).

5. A waterproof high-voltage porcelain insulator according to claim 1, characterized in that an elastic washer is arranged between the nut (15) and the mounting plate (1).

6. The waterproof high-voltage porcelain insulator according to claim 1, wherein a mounting groove is formed in the lower side wall of the limiting block (7), and a rubber ring is fixedly embedded in the mounting groove.