CN211045148U

CN211045148U - Pin type porcelain insulator for high-voltage line

Info

Publication number: CN211045148U
Application number: CN201922392766.XU
Authority: CN
Inventors: 黄伟
Original assignee: Pingxiang High Voltage Electric Porcelain Factory Co Ltd
Current assignee: Pingxiang High Voltage Electric Porcelain Factory Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-07-17
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a high-voltage line pin type porcelain insulator. This kind of high tension line pin type porcelain insulator includes porcelain insulator, link fitting, metal foot, porcelain insulator includes connecting hole, lower connecting hole, the fixed grafting in last connecting hole in link fitting lower part, the link fitting bottom is provided with first block portion, be provided with first joint portion in going up the connecting hole, the fixed grafting in lower connecting hole in metal foot upper portion, metal foot top is provided with second block portion, be provided with second joint portion in the connecting hole down. The utility model discloses a set up first block portion in link fitting bottom, set up first joint portion and first block portion joint in last connecting hole to fix link fitting, take place not hard up with porcelain insulator in order to prevent link fitting, through set up second block portion at metal foot top, set up second joint portion and second block portion joint in the connecting hole down, take place to become flexible with porcelain insulator in order to prevent that metal foot from taking place to become flexible.

Description

Pin type porcelain insulator for high-voltage line

Technical Field

The utility model relates to an insulator technical field, concretely relates to high-voltage line pin type porcelain insulator.

Background

Insulators are devices that are mounted between conductors of different potentials or between a conductor and a ground potential member and are able to withstand the effects of voltage and mechanical stress. The insulating control is a special insulating control and can play an important role in an overhead transmission line. The insulator is mainly used for supporting and fixing the bus and the live conductor and ensuring that the live conductor or the conductor has enough distance and insulation with the ground. The insulator is usually made of glass or ceramic, and the insulator made of ceramic is a porcelain insulator.

The patent with application number CN201821046939.1 discloses a circuit pin type porcelain insulator, including the porcelain spare, be equipped with two big full sheds on the porcelain spare, be equipped with little full sheds between two big full sheds, and two big full sheds, little full sheds and porcelain spare formula structure as an organic whole, the inside fixed vertical cartridge in porcelain spare upper end has the connecting piece, connecting piece one end extends to the outside and perpendicular fixedly connected with wire clamping groove of porcelain spare, first screw hole has been seted up respectively to wire clamping groove's recess both sides, wire clamping groove top is equipped with wire clamping hoop, wire clamping hoop goes up both sides and threaded mounting has the third screw respectively, the fixed plate is kept away from wire clamping hoop's one end both sides and is gone up respectively threaded mounting and has the second screw, the inside vertical fixed cartridge in one end that wire clamping groove was kept away from to the porcelain spare has the steel. The utility model discloses a pin type porcelain insulator can prevent droing of fastening screw in the use, strengthens the security of using.

The third screw is installed at the both sides screw thread of pressing from both sides the wire clip to the circuit pin type porcelain insulator of above-mentioned patent to fix wire clip groove and wire clip, the second screw is fixed once more with wire clip groove, can prevent that the third screw is not hard up. However, the connecting piece and the steel leg of the patent are respectively fixed and inserted at two ends of the porcelain piece, the connecting piece and the steel leg are generally adhered and fixed with the insulator through adhesives such as cement, shaking can occur under the action of external force, the connecting piece and the steel leg are easy to loosen with the porcelain piece under the long-time shaking of the lead, and the connecting piece and the steel leg are separated from the porcelain piece due to the gravity, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the not hard up condition appears in above-mentioned connecting piece, steel foot easily and porcelain spare, the utility model provides a high-tension line pin type porcelain insulator.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a high tension line pin type porcelain insulator, includes porcelain insulator, link fitting, metal foot, porcelain insulator includes connecting hole, lower connecting hole, the fixed grafting in last connecting hole in link fitting lower part, the link fitting bottom is provided with first block portion, upward be provided with first joint portion in the connecting hole, first block portion and first joint portion joint, the fixed grafting in lower connecting hole in metal foot upper portion, metal foot top is provided with second block portion, be provided with second joint portion in the connecting hole down, second block portion and second joint portion joint.

Further, first block portion includes two first fan-shaped fixture blocks, two first fan-shaped fixture blocks set up respectively in link fitting both sides, first joint portion include two with first fan-shaped fixture block assorted first fan-shaped draw-in groove.

Furthermore, the second clamping portion comprises two second fan-shaped clamping blocks, the two second fan-shaped clamping blocks are arranged on two sides of the metal foot respectively, and the second clamping portion comprises two second fan-shaped clamping grooves matched with the second fan-shaped clamping blocks.

Furthermore, a first adhesive layer is arranged between the connecting hardware fitting and the upper connecting hole and is fixedly bonded through the first adhesive layer.

Furthermore, a second adhesive layer is arranged between the steel foot and the lower connecting hole and is adhered and fixed through the second adhesive layer.

Furthermore, a plurality of large sheds and a plurality of small sheds are arranged on the porcelain insulator.

Furthermore, the large umbrella skirt and the small umbrella skirt are arranged at intervals.

Further, bolted connection has the mounting panel on the link fitting, be provided with the double-layered line hole between mounting panel and the link fitting.

Furthermore, the bottom of the metal foot is in threaded connection with a fastening nut.

Furthermore, a fastening screw is connected to the side wall of the fastening nut through threads.

It is right by the aforesaid the utility model discloses a description can know, compare with prior art, the utility model discloses a high tension line pin type porcelain insulator is through setting up first block portion in the link fitting bottom, set up first joint portion and first block portion joint in last connecting hole to fix link fitting, bond link fitting and fix at last connecting hole, adopt the secondary to link fitting fixed, take place not hard up with porcelain insulator in order to prevent link fitting, through setting up second block portion at metal foot top, set up second joint portion and second block portion joint in the connecting hole down, in order to fix the metal foot, bond metal foot and fix the connecting hole under, adopt the secondary to the metal foot and fix, take place to become hard up with porcelain insulator in order to prevent the metal foot, the utility model discloses simple structure, reasonable in design, the practicality is higher.

Drawings

Fig. 1 is a partial cross-sectional view of a pin-type porcelain insulator for high-voltage lines according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a needle-type porcelain insulator for high-voltage lines according to a first embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a porcelain insulator according to an embodiment of the present invention;

fig. 4 is a bottom view of a connection fitting according to a first embodiment of the present invention;

FIG. 5 is a top view of a metal leg according to a first embodiment of the present invention;

fig. 6 is a partial cross-sectional view of a pin-type porcelain insulator for high-voltage lines according to a second embodiment of the present invention;

reference numerals: 1. a porcelain insulator; 11. an upper connecting hole; 12. a lower connection hole; 13. a first clamping part; 14. a second clamping part; 15. a large umbrella skirt; 16. a small umbrella skirt; 2. connecting a hardware fitting; 21. a first engaging portion; 211. a first sector-shaped fixture block; 22. mounting a plate; 23. a wire clamping hole; 3. a metal leg; 31. a second engaging portion; 311. a second sector-shaped fixture block; 32. fastening a nut; 33. fastening screws; 4. a first adhesive layer; 5. and a second adhesive layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a high tension line pin type porcelain insulator, includes porcelain insulator 1, link fitting 2, metal foot 3, porcelain insulator 1 includes connecting hole 11, lower connecting hole 12, the fixed grafting in last connecting hole 11 in 2 lower parts of link fitting, 2 bottoms of link fitting are provided with first block portion 21, upward be provided with first joint portion 13 in the connecting hole 11, first block portion 21 and first joint portion 13 joint, the fixed grafting in lower connecting hole 12 in 3 upper portions of metal foot, 3 tops of metal foot are provided with second block portion 31, be provided with second joint portion 14 in the lower connecting hole 12, second block portion 31 and the joint of second joint portion 14.

The first clamping portion 21 comprises two first fan-shaped clamping blocks 211, the two first fan-shaped clamping blocks 211 are respectively arranged on two sides of the connecting metal fitting 2, the first clamping portion 13 comprises two first fan-shaped clamping grooves matched with the first fan-shaped clamping blocks 211, when the porcelain insulator 1 and the connecting metal fitting 2 are assembled, the connecting metal fitting 2 is inserted into the bottom of the upper connecting hole 11, the connecting metal fitting 2 is rotated, and the first fan-shaped clamping blocks 211 are clamped with the first fan-shaped clamping grooves, so that the assembly is convenient; the second clamping portion 31 comprises two second fan-shaped clamping blocks 311, the two second fan-shaped clamping blocks 311 are arranged on two sides of the metal pin 3 respectively, the second clamping portion 14 comprises two second fan-shaped clamping grooves matched with the second fan-shaped clamping blocks 311, when the porcelain insulator 1 and the metal pin 3 are assembled, the metal pin 3 is inserted into the top of the lower connecting hole 12, the metal pin 3 is rotated, the second fan-shaped clamping blocks 311 are clamped with the second fan-shaped clamping grooves, and the assembly is convenient.

A first adhesive layer 4 is arranged between the connecting hardware fitting 2 and the upper connecting hole 11 and is adhered and fixed through the first adhesive layer 4, and the first adhesive layer 4 can be made of a cement material, but is not limited to the above; a second adhesive layer 5 is arranged between the steel leg and the lower connecting hole 12 and is adhered and fixed through the second adhesive layer 5, and the second adhesive layer 5 can be made of a cement material, but is not limited to the above; the porcelain insulator 1 is provided with a plurality of large sheds 15 and a plurality of small sheds 16, the large sheds 15 and the small sheds 16 are arranged at intervals, and the large sheds 15 and the small sheds 16 which are arranged at intervals are arranged on the porcelain insulator 1, so that the bridging distance is lengthened, the creepage distance of the porcelain insulator is increased, and the electric clearance of the porcelain insulator is improved; the connecting hardware 2 is connected with a mounting plate 22 through a bolt, a wire clamping hole 23 is formed between the mounting plate 22 and the connecting hardware 2, and a cable is mounted in the wire clamping hole 23 through the mounting plate 22; the bottom of the metal pin 3 is connected with a fastening nut 32 through threads, and the metal pin 3 is fixed through the fastening nut 32.

The utility model discloses a high tension line pin type porcelain insulator is through setting up first block portion 21 in link fitting 2 bottoms, set up first joint portion 13 and first block portion 21 joint in last connecting hole 11, in order to fix link fitting 2, bond link fitting 2 and fix at last connecting hole 11, it is fixed to adopt the secondary to link fitting 2, in order to prevent link fitting 2 and porcelain insulator 1 from taking place not hard up, through setting up second block portion 31 at metal foot 3 top, set up second joint portion 14 and second block portion 31 joint in connecting hole 12 down, in order to fix metal foot 3, bond metal foot 3 and fix connecting hole 12 under, it is fixed to adopt the secondary to metal foot 3, in order to prevent that metal foot 3 and porcelain insulator 1 from taking place not hard up, the utility model discloses simple structure, reasonable in design, the practicality is higher.

The second embodiment is as follows:

referring to fig. 6, the present embodiment is different from the first embodiment in that: a fastening screw 33 is screwed on the side wall of the fastening nut 32. The fastening screw 33 fixes the fastening nut 32, thereby preventing the fastening nut 32 from loosening.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a high-voltage line pin type porcelain insulator which characterized in that: including porcelain insulator, link fitting, metal foot, the porcelain insulator includes connecting hole, lower connecting hole, the fixed grafting in last connecting hole in link fitting lower part, the link fitting bottom is provided with first block portion, upward be provided with first joint portion in the connecting hole, first block portion and first joint portion joint, the fixed grafting in lower connecting hole in metal foot upper portion, metal foot top is provided with second block portion, be provided with second joint portion in the connecting hole down, second block portion and second joint portion joint.

2. The high-voltage line pin porcelain insulator of claim 1, wherein: the first clamping portion comprises two first fan-shaped clamping blocks, the two first fan-shaped clamping blocks are arranged on two sides of the connecting hardware fitting respectively, and the first clamping portion comprises two first fan-shaped clamping grooves matched with the first fan-shaped clamping blocks.

3. The high-voltage line pin porcelain insulator of claim 1, wherein: the second clamping portion comprises two second fan-shaped clamping blocks, the two second fan-shaped clamping blocks are arranged on two sides of the metal foot respectively, and the second clamping portion comprises two second fan-shaped clamping grooves matched with the second fan-shaped clamping blocks.

4. The high-voltage line pin porcelain insulator of claim 1, wherein: a first adhesive layer is arranged between the connecting hardware fitting and the upper connecting hole and is fixedly adhered through the first adhesive layer.

5. The high-voltage line pin porcelain insulator of claim 1, wherein: and a second adhesive layer is arranged between the metal pin and the lower connecting hole and is adhered and fixed through the second adhesive layer.

6. The high-voltage line pin porcelain insulator of claim 1, wherein: and the porcelain insulator is provided with a plurality of large sheds and a plurality of small sheds.

7. The high-voltage line pin porcelain insulator of claim 6, wherein: the large umbrella skirt and the small umbrella skirt are arranged at intervals.

8. The high-voltage line pin porcelain insulator of claim 1, wherein: the bolt connection has the mounting panel on the link fitting, be provided with the double-layered line hole between mounting panel and the link fitting.

9. The high-voltage line pin porcelain insulator of claim 1, wherein: and the bottom of the metal foot is in threaded connection with a fastening nut.

10. The high-voltage line pin porcelain insulator of claim 9, wherein: and the side wall of the fastening nut is in threaded connection with a fastening screw.