CN211742808U

CN211742808U - Ordinary high-voltage pin type porcelain insulator

Info

Publication number: CN211742808U
Application number: CN202020237730.4U
Authority: CN
Inventors: 徐恭畔; 方明佑
Original assignee: Hunan Gaoyang Electric Porcelain Appliance Co ltd
Current assignee: Hunan Gaoyang Electric Porcelain Appliance Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-23
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses a common high-pressure needle type porcelain insulator, which comprises a wire clamping device and an insulating part, wherein the wire clamping device is arranged at the top of the insulating part, an insulating protective cover is sleeved on the outer wall of the porcelain part close to the top, each part of the wire clamping device is wrapped and protected by the insulating protective cover, the trouble that a screw and a clamping part are easily corroded and damaged after being exposed in the air for a long time is avoided, the service life of the insulator is prolonged, the problem that a fixed stud and a nut A are connected and loosened due to the vibration of a cable caused by wind power is simultaneously relieved, an arc striking rod is fixedly connected on the outer wall of one side of a lower clamping block, an arc extinguishing ball is arranged on the outer wall of one side of a metal base corresponding to the arc striking rod, the tail end of a non-connecting end of the arc striking rod is arranged close to the arc extinguishing ball, a short-circuit channel is formed between the arc striking rod and the arc extinguishing ball, the, thereby causing great production accidents; the common high-voltage pin type porcelain insulator is convenient, practical and good in protection.

Description

Ordinary high-voltage pin type porcelain insulator

Technical Field

The utility model relates to the technical field of electrical equipment, specifically be a ordinary high-pressure pin type porcelain insulator.

Background

In recent years, the electric power industry in China is rapidly developed, the using amount of electric porcelain products is increasing day by day, wherein porcelain insulators cannot be separated, when electric power is transmitted, because a wire is arranged in the air, a support frame needs to be built to support the wire, and in order to prevent the current from flowing back to the ground, the porcelain insulators are adopted to isolate the support frame from the wire.

Most of the existing porcelain insulators fix the wires through mutual matching of the screws and the clamping pieces, and the screws and the clamping pieces are easily corroded and damaged after being exposed in air for a long time, so that the screws on the porcelain insulators are easy to loosen, even the wires fall off, and potential safety hazards exist; and general porcelain insulator receives the thunderbolt and damages easily, leads to its function that loses insulation to arouse great production accident. Therefore, a common high-voltage pin type porcelain insulator is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a common high-pressure pin type porcelain insulator sets up the card line device through the top at insulating part, cup joints insulating guard shield on the outer wall that porcelain spare is close to the top, utilizes insulating guard shield to wrap up the protection to the card line device to set up the striking stick on the fixture block lateral wall down, and set up the arc extinguishing ball on the outer wall of metal base correspondence striking stick one side, thereby solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a common high-voltage pin type porcelain insulator comprises a wire clamping device and an insulating part, wherein the wire clamping device is arranged at the top of the insulating part and comprises a supporting seat, a lower clamping block, a fixing stud, an upper clamping block, a nut A and a friction gasket, the top end of the supporting seat is fixedly connected with the lower clamping block, the fixing studs are respectively arranged at the edges of the two sides of the upper end of the lower clamping block, the two ends of the upper clamping block are respectively sleeved on the outer wall of each fixing stud in a penetrating manner, the upper clamping block is limited and fixed through the nut A, the friction gasket is arranged between the nut A and the upper clamping block, and the bottom of the supporting seat is fixedly;

insulating part includes porcelain, big full skirt, little full skirt, gold base, the steel foot, the cross arm, nut B and insulating guard shield, porcelain fixed connection is in the bottom of supporting seat, set up a plurality of big full skirts and little full skirts in proper order in turn on the outer wall of porcelain, and porcelain, big full skirt and little full skirt constitute the integral type structure, the bottom fixed connection gold base of porcelain, the lower extreme of gold base is provided with the steel foot, the lower extreme of steel foot runs through the cross arm, and carry out spacing fixed to the cross arm through nut B, insulating guard shield cup joints on the outer wall that porcelain is close to the top and the cage covers in the outside of card traditional thread binding putting.

Preferably, the lower clamping block and the upper clamping block are both arc-shaped structures, an arc striking rod is fixedly connected to the outer wall of one side of the lower clamping block, and an insulating sleeve is arranged on the outer wall of the arc striking rod.

Preferably, the edges of two sides of the upper end of the lower clamping block are respectively provided with a mounting hole, a shaft sleeve is sleeved in the mounting holes, the bottom end of the fixing stud is sleeved in the shaft sleeve, and the shaft sleeve and the fixing stud are in interference fit.

Preferably, the insulating guard shield includes lower guard shield and last guard shield, and lower guard shield cup joints on porcelain spare is close to the outer wall at top, and presses close to big umbrella skirt setting, and the top swing joint of lower guard shield goes up the guard shield.

Preferably, the upper ends of the outer walls of the two sides of the lower protective cover and the lower ends of the outer walls of the two sides of the upper protective cover are respectively provided with a sliding groove and a protruding sliding block, and the sliding grooves are matched with the protruding sliding blocks.

Preferably, an arc extinguishing ball is arranged on the outer wall of the side, corresponding to the arc striking rod, of the metal piece base.

Preferably, the non-connecting end of the arc striking rod penetrates through the side wall of the lower shield and extends downwards, the tail end of the arc striking rod is arranged close to the arc extinguishing ball, and a short circuit channel is formed between the arc extinguishing ball and the arc striking rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this ordinary high-tension pin formula porcelain insulator sets up the card line device through the top at insulating part, cup joints insulating guard shield on the outer wall that porcelain spare is close to the top, utilizes insulating guard shield to wrap up the protection to each spare part of card line device, avoids screw and holder to expose for a long time and receives corrosion damage's trouble easily in the air, prolongs its life, alleviates the cable simultaneously and arouses fixing stud and nut A to connect not hard up problem because of the wind-force shake.

2. This ordinary high-tension pin formula porcelain insulator is provided with spout and protruding slider respectively in the lower guard shield both sides outer wall upper end of insulating guard shield and last guard shield both sides outer wall lower extreme, and the phase-match between spout and protruding slider, and lower guard shield and last guard shield carry out fixed connection through the cooperation of spout and protruding slider, make things convenient for the operation that opens and shuts of insulating guard shield, are favorable to the later stage to overhaul each spare part of wire clamping device.

3. This ordinary high-tension pin formula porcelain insulator, fixed connection striking stick on one side outer wall of fixture block down to be provided with the arc extinction ball on the outer wall that corresponds striking stick one side at the gold base, the non-connecting end of striking stick is pressed close to the arc extinction ball setting, and forms short circuit channel between arc extinction ball and the striking stick, current when utilizing short circuit channel to eliminate the thunderbolt, avoids the thunder and lightning to destroy the porcelain spare of insulating part and leads to its function that loses insulation, thereby causes great production accident.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the wire clamping device of the present invention;

fig. 3 is a partial cross-sectional view of the lower fixture block of the present invention;

FIG. 4 is a schematic view of the structure of the insulating member of the present invention;

fig. 5 is an enlarged view of the insulation shield a of the present invention.

In the figure: 1. a wire clamping device; 11. a supporting seat; 12. a lower clamping block; 13. fixing the stud; 14. an upper clamping block; 15. a nut A; 16. a rubbing pad; 17. an arc striking rod; 18. mounting holes; 19. a shaft sleeve; 2. an insulating member; 21. a porcelain piece; 22. a large umbrella skirt; 23. a small umbrella skirt; 24. a hardware base; 25. a steel foot; 26. a cross arm; 27. a nut B; 28. an insulating shield; 281. a lower shield; 282. an upper shield; 283. a chute; 284. a raised slider; 29. an arc extinguishing ball.

Detailed Description

The technical solutions in the embodiments 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a common high-voltage pin type porcelain insulator includes a wire clamping device 1 and an insulating member 2, the top of the insulating member 2 is provided with the wire clamping device 1, the wire clamping device 1 includes a support base 11, a lower fixture block 12, a fixing stud 13, an upper fixture block 14, a nut a15 and a friction washer 16, the top end of the support base 11 is fixedly connected with the lower fixture block 12, the two side edges of the upper end of the lower fixture block 12 are respectively provided with the fixing studs 13, the outer wall of the fixing stud 13 is respectively sleeved with the two ends of the upper fixture block 14 in a penetrating manner and is used for limiting and fixing the upper fixture block 14 through the nut a15, the friction washer 16 is arranged between the nut a15 and the upper fixture block 14, the lower fixture block 12 and the upper fixture block 14 are both arc-shaped structures, the arc-shaped structures can well contain a cable to prevent the cable from being worn when being clamped and fixed, an arc striking rod 17 is fixedly connected, the bottom of the support base 11 is fixedly connected with the insulating part 2.

The edges of two sides of the upper end of the lower fixture block 12 are respectively provided with a mounting hole 18, a shaft sleeve 19 is sleeved in the mounting hole 18, the bottom end of the fixing stud 13 is sleeved in the shaft sleeve 19, the shaft sleeve 19 and the fixing stud 13 are in interference fit, the shaft sleeve 19 is used for reinforcing connection between the fixing stud 13 and the lower fixture block 12, and the risk that the lead falls off due to the fact that the nut A15 is easily loosened due to cable shaking is avoided.

Referring to fig. 4-5, a common high-voltage needle type porcelain insulator, an insulating part 2 includes a porcelain 21, a large umbrella skirt 22, a small umbrella skirt 23, a metal base 24, a steel leg 25, a cross arm 26, a nut B27 and an insulating shield 28, the porcelain 21 is fixedly connected to the bottom of a supporting seat 11, a plurality of large umbrella skirts 22 and small umbrella skirts 23 are alternately arranged on the outer wall of the porcelain 21 in sequence, the porcelain 21, the large umbrella skirt 22 and the small umbrella skirt 23 form an integrated structure, the bottom end of the porcelain 21 is fixedly connected to the metal base 24, the steel leg 25 is arranged at the lower end of the metal base 24, the lower end of the steel leg 25 penetrates through the cross arm 26, the cross arm 26 is limited and fixed by the nut B27, the insulating shield 28 is sleeved on the outer wall of the porcelain 21 near the top and is covered outside the wire clamping device 1, each part of the wire clamping device 1 is wrapped and protected by the insulating shield 28, thereby avoiding the trouble that a screw and a clamping member are easily damaged by corrosion after being exposed to the air for a, the service life of the device is prolonged.

The insulating shield 28 comprises a lower shield 281 and an upper shield 282, the lower shield 281 is sleeved on the outer wall of the porcelain 21 close to the top and is arranged close to the large umbrella skirt 22, the top of the lower shield 281 is movably connected with the upper shield 282, the upper end of the outer wall of two sides of the lower shield 281 and the lower end of the outer wall of two sides of the upper shield 282 are respectively provided with a sliding chute 283 and a convex slider 284, the sliding chutes 283 and the convex sliders 284 are matched, the lower shield 281 and the upper shield 282 are fixedly connected through the matching of the sliding chutes 283 and the convex sliders 284, the opening and closing operation of the insulating shield 28 is convenient, the later maintenance of each part of the wire clamping device 1 is facilitated, the outer wall of the metal base 24 corresponding to one side of the arc striking rod 17 is provided with the arc extinguishing ball 29, the non-connecting end of the arc striking rod 17 penetrates through the side wall of the lower shield 281 and extends downwards, the tail end arc extinguishing ball 29 is arranged close to the arc striking, the lightning is prevented from damaging the porcelain piece 21 of the insulating part 2 to cause the porcelain piece to lose the insulating function, so that a large production accident is caused.

In summary, the following steps: according to the common high-voltage needle type porcelain insulator, the wire clamping device 1 is arranged at the top of the insulating part 2, the insulating shield 28 is sleeved on the outer wall of the porcelain part 21 close to the top, and the insulating shield 28 is utilized to wrap and protect all parts of the wire clamping device 1, so that the trouble that a screw and a clamping piece are easily corroded and damaged when being exposed in air for a long time is avoided, the service life of the common high-voltage needle type porcelain insulator is prolonged, and meanwhile, the problem that the connection between the fixing stud 13 and the nut A15 of a cable is loosened due to wind power vibration is relieved; the upper ends of the outer walls of the two sides of the lower shield 281 and the lower ends of the outer walls of the two sides of the upper shield 282 of the insulating shield 28 are respectively provided with a sliding groove 283 and a protruding sliding block 284, the sliding groove 283 is matched with the protruding sliding block 284, the lower shield 281 and the upper shield 282 are fixedly connected through the matching of the sliding groove 283 and the protruding sliding block 284, the opening and closing operation of the insulating shield 28 is facilitated, and the later-stage maintenance of all parts of the wire clamping device 1 is facilitated; the outer wall of one side of the lower fixture block 12 is fixedly connected with the arc striking rod 17, an arc extinguishing ball 29 is arranged on the outer wall of one side, corresponding to the arc striking rod 17, of the metal part base 24, the tail end of a non-connecting end of the arc striking rod 17 is arranged close to the arc extinguishing ball 29, a short circuit channel is formed between the arc extinguishing ball 29 and the arc striking rod 17, the current generated when lightning stroke is eliminated through the short circuit channel, the phenomenon that the porcelain part 21 of the insulating part 2 is damaged by lightning so that the porcelain part loses the insulating function is avoided, and therefore a large production accident is caused. The common high-voltage pin type porcelain insulator is excellent in structure, convenient, practical and good in protection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a ordinary high-pressure pin type porcelain insulator, includes card line device (1) and insulating part (2), and the top of insulating part (2) sets up card line device (1), its characterized in that: the wire clamping device (1) comprises a supporting seat (11), a lower clamping block (12), fixing studs (13), an upper clamping block (14), nuts A (15) and friction gaskets (16), the top end of the supporting seat (11) is fixedly connected with the lower clamping block (12), the fixing studs (13) are respectively arranged at the two side edges of the upper end of the lower clamping block (12), the outer walls of the fixing studs (13) are respectively sleeved with the two ends of the upper clamping block (14) in a penetrating mode, the upper clamping block (14) is limited and fixed through the nuts A (15), the friction gaskets (16) are arranged between the nuts A (15) and the upper clamping block (14), and the bottom of the supporting seat (11) is fixedly connected with the insulating part (2);

the insulating part (2) comprises a porcelain piece (21), a large umbrella skirt (22), a small umbrella skirt (23), a metal base (24), steel feet (25), a cross arm (26), a nut B (27) and an insulating shield (28), the porcelain piece (21) is fixedly connected to the bottom of the supporting seat (11), the outer wall of the porcelain piece (21) is sequentially and alternately provided with the large umbrella skirts (22) and the small umbrella skirts (23), the porcelain piece (21), the large umbrella skirt (22) and the small umbrella skirt (23) form an integrated structure, the bottom end of the porcelain piece (21) is fixedly connected with a metal base (24), a steel foot (25) is arranged at the lower end of the metal base (24), the lower end of the steel foot (25) penetrates through the cross arm (26), and the cross arm (26) is limited and fixed through a nut B (27), and an insulating shield (28) is sleeved on the outer wall of the porcelain piece (21) close to the top and covers the outside of the wire clamping device (1).

2. A common high-voltage needle type porcelain insulator according to claim 1, wherein: the lower clamping block (12) and the upper clamping block (14) are both arc-shaped structures, an arc striking rod (17) is fixedly connected to the outer wall of one side of the lower clamping block (12), and an insulating sleeve is arranged on the outer wall of the arc striking rod (17).

3. A common high-voltage needle type porcelain insulator according to claim 1, wherein: the edge of the two sides of the upper end of the lower clamping block (12) is respectively provided with a mounting hole (18), a shaft sleeve (19) is sleeved in the mounting hole (18), the bottom end of the fixing stud (13) is sleeved in the shaft sleeve (19), and the shaft sleeve (19) is in interference fit with the fixing stud (13).

4. A common high-voltage needle type porcelain insulator according to claim 1, wherein: the insulating shield (28) comprises a lower shield (281) and an upper shield (282), the lower shield (281) is sleeved on the outer wall, close to the top, of the porcelain piece (21) and arranged close to the large umbrella skirt (22), and the top of the lower shield (281) is movably connected with the upper shield (282).

5. A common high-voltage needle type porcelain insulator according to claim 4, wherein: the upper ends of the outer walls of the two sides of the lower guard (281) and the lower ends of the outer walls of the two sides of the upper guard (282) are respectively provided with a sliding groove (283) and a protruding sliding block (284), and the sliding groove (283) is matched with the protruding sliding block (284).

6. A common high-voltage needle type porcelain insulator according to claim 1, wherein: an arc extinguishing ball (29) is arranged on the outer wall of one side of the metal base (24) corresponding to the arc striking rod (17).

7. A common high-voltage needle type porcelain insulator according to claim 6, wherein: the non-connecting end of the arc striking rod (17) penetrates through the side wall of the lower protective cover (281) and extends downwards, the tail end of the arc striking rod is arranged close to the arc extinguishing ball (29), and a short circuit channel is formed between the arc extinguishing ball (29) and the arc striking rod (17).