CN219286109U - Ceramic-sheathed non-bearing type anti-icing lightning-protection insulator - Google Patents

Abstract

The utility model discloses a ceramic-sheathed non-bearing type anti-icing lightning-protection insulator which comprises an upper ceramic shell and a lower ceramic shell, wherein one ends of the upper ceramic shell, which are opposite to the lower ceramic shell, are connected through a connecting mechanism, a bottom shell is arranged at the bottom of the lower ceramic shell in a communicating manner, a core rod is arranged in the upper ceramic shell and the lower ceramic shell, the top of the core rod is connected with an annular electrode penetrating through the top of the upper ceramic shell, and an anti-icing cover with a threaded hole is arranged at the top of the upper ceramic shell. According to the utility model, the upper ceramic shell and the lower ceramic shell form a detachable structure through the upper mounting plate and the lower mounting plate, so that a worker can conveniently overhaul or replace the damaged part in the insulator, the insulator has good sealing performance through the sealing rubber layer, the insulator is not easy to damp after long-term operation, the influence factors of the aging of the insulator are reduced, and the service life of the insulator is prolonged.

Description

Ceramic-sheathed non-bearing type anti-icing lightning-protection insulator

Technical Field

The utility model relates to the technical field of insulators, in particular to a ceramic-coated non-bearing type anti-icing lightning-protection insulator.

Background

With the increase of electricity demand in China, a distribution circuit inevitably needs to be built in a region which is easy to cover ice and has complex terrain, when a cold winter comes, severe rain and snow weather leads to severe ice covering of a circuit insulator, so that bridge connection among umbrella skirts of the insulator is caused, the stable operation of a power system is influenced due to the fact that the circuit is difficult to repair in time due to environmental problems, in order to solve the ice covering problem of the circuit insulator, an insulator with an anti-icing function is generated, and the insulator with the anti-icing function used in the current power system is provided with a porcelain insulator and a composite insulator.

The application number CN202221047617.5 is that although the ceramic outer sleeve of the insulator is filled with silicon rubber as a sealing rubber layer, the insulator has good sealing performance, is not easy to damp during long-term operation, simultaneously eliminates the defect that the silicon rubber is exposed to the air for aging, reduces the influence factors of the aging of the insulator, and prolongs the service life of the insulator, but most of the insulator is exposed to the outside, and the umbrella disc horizontally or vertically arranged at the top of the insulator is easy to be influenced by stronger wind force, so that the insulator has poor stability in a strong wind environment, and the normal operation of the insulator is seriously influenced.

Therefore, it is necessary to provide a ceramic-coated non-bearing type anti-icing and lightning-protection insulator to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a ceramic-sheathed non-bearing type anti-icing lightning-protection insulator, which aims to solve the problems that the insulator has poor stability in a strong wind environment and seriously influences the normal operation of the insulator in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ceramic overcoat non-bearing type anti-icing lightning protection insulator, includes ceramic shell and lower ceramic shell, go up ceramic shell and the relative one end of ceramic shell down and be connected through installing coupling mechanism, the drain pan is installed in the bottom intercommunication of ceramic shell down, go up ceramic shell and the internally mounted of ceramic shell down has the plug, the top of plug is connected with the annular electrode that runs through ceramic shell top, go up ceramic shell's top and install the anti-icing cover that has the screw hole, the screw hole internal thread connection of anti-icing cover has sealed lid.

Preferably, the connecting mechanism comprises an upper mounting plate arranged at the bottom of the upper ceramic shell and a lower mounting plate arranged at the top of the lower ceramic shell, and the upper mounting plate and the lower mounting plate are fixed through fastening bolts arranged at equal angles.

Preferably, the lower aluminum block sleeved on the outer wall of the core rod is arranged at the bottom of the inner side of the lower ceramic shell, an annular resistor disc is stacked and sleeved at the top of the lower aluminum block, an upper aluminum block sleeved on the outer wall of the core rod is arranged at the top of the annular resistor disc, and the upper aluminum block is connected with an arc striking rod extending out of the upper ceramic shell in a penetrating manner.

Preferably, a sealing rubber layer is filled in the gap between the inner sides of the upper ceramic shell and the lower ceramic shell and the core rod, the annular electrode, the upper aluminum block, the annular resistor disc and the lower aluminum block.

Preferably, the bottom of the outer wall of the sealing cover is rotationally connected with a rotating sleeve through a bearing, and windward strips attached to the top of the anti-icing cover are installed on the outer wall of the rotating sleeve at equal angles.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the upper ceramic shell and the lower ceramic shell form a detachable structure through the upper mounting plate and the lower mounting plate, so that a worker can conveniently overhaul or replace the damaged part in the insulator, the insulator has good sealing performance through the sealing rubber layer, the insulator is not easy to damp after long-term operation, the influence factors of the aging of the insulator are reduced, and the service life of the insulator is prolonged;

2. when the anti-icing cover is affected by wind power, windward strips uniformly distributed on the anti-icing cover are used for changing the wind direction, converting wind energy into rotation potential energy of the rotating sleeve, effectively absorbing wind energy in any direction, improving the capability of the anti-icing cover for bearing the wind power, enabling the anti-wind and anti-vibration effect of the composite insulator to be better and enabling the use stability to be more outstanding.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is a schematic view of the internal structure of the present utility model.

In the figure: 1. a ceramic shell is arranged on the upper part; 2. a lower ceramic shell; 3. a connecting mechanism; 301. an upper mounting plate; 302. a lower mounting plate; 303. a fastening bolt; 4. a bottom case; 5. a core rod; 6. a ring electrode; 7. an anti-icing cover; 8. sealing cover; 9. a lower aluminum block; 10. a ring-shaped resistor sheet; 11. an aluminum block is arranged; 12. an arc striking rod; 13. a sealing rubber layer; 14. a rotating sleeve; 15. windward strips.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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 utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Please refer to the figure, a ceramic overcoat non-bearing type anti-icing lightning protection insulator, including last ceramic shell 1 and lower ceramic shell 2, go up ceramic shell 1 and lower ceramic shell 2 relative one end and connect through installing coupling mechanism 3, bottom shell 4 is installed in the bottom intercommunication of lower ceramic shell 2, go up ceramic shell 1 and the internally mounted of lower ceramic shell 2 has plug 5, the top of plug 5 is connected with the annular electrode 6 that runs through the top of last ceramic shell 1, the anti-icing cover 7 with the screw hole is installed at the top of last ceramic shell 1, the screw hole internal thread of anti-icing cover 7 is connected with sealed lid 8.

As shown in the figure, the connection mechanism 3 comprises an upper mounting plate 301 disposed at the bottom of the upper ceramic shell 1 and a lower mounting plate 302 disposed at the top of the lower ceramic shell 2, wherein the upper mounting plate 301 and the lower mounting plate 302 are fixed by fastening bolts 303 disposed at equal angles, and the upper mounting plate 301 and the lower mounting plate 302 are disposed to form a detachable structure with the lower ceramic shell 2, so that the repair or replacement of the damaged portion inside the insulator can be facilitated for a worker.

As shown in the figure, the lower aluminum block 9 sleeved on the outer wall of the core rod 5 is arranged at the bottom of the inner side of the lower ceramic shell 2, the annular resistor disc 10 is stacked and sleeved at the top of the lower aluminum block 9, the upper aluminum block 11 sleeved on the outer wall of the core rod 5 is arranged at the top of the annular resistor disc 10, the upper aluminum block 11 is connected with an arc striking rod 12 extending out of the upper ceramic shell 1, an anti-icing cover 7 and the arc striking rod 12 form a discharge gap, the arc striking rod 12 is wrapped by an insulating jacket, the ball head of the arc striking rod 12 is incompletely wrapped by the insulating jacket, the reserved gap is used as a discharge electrode, the arc striking rod 12 and the anti-icing cover 7 discharge to form a lightning discharge channel during lightning strike, and the insulating jacket outside the arc striking rod 12 can effectively reduce short circuit accidents caused by bird damage.

As shown in the figure, the gap between the inner sides of the upper ceramic shell 1 and the lower ceramic shell 2 and the core rod 5, the annular electrode 6, the upper aluminum block 11, the annular resistor disc 10 and the lower aluminum block 9 is filled with a sealing rubber layer 13, and the insulator has good sealing performance through the arranged sealing rubber layer 13, is not easy to damp during long-term operation, reduces the influence factors of the aging of the insulator, and prolongs the service life of the insulator.

As shown in the figure, the outer wall bottom of the sealing cover 8 is rotationally connected with a rotating sleeve 14 through a bearing, windward strips 15 attached to the top of the anti-icing cover 7 are installed on the outer wall of the rotating sleeve 14 at equal angles, when the anti-icing cover 7 is affected by wind power, the windward strips 15 uniformly distributed on the anti-icing cover 7 are used for changing wind directions, converting wind energy into rotational potential energy of the rotating sleeve 14, effectively absorbing wind energy in any direction, improving the capability of the anti-icing cover 7 for bearing wind power, ensuring that the anti-wind and anti-vibration effects of the composite insulator are better, and the use stability is more outstanding.

Working principle: when the anti-vibration insulator is used, the upper ceramic shell 1 and the lower ceramic shell 2 form a detachable structure through the upper mounting plate 301 and the lower mounting plate 302, workers can overhaul or replace damaged parts inside the insulator conveniently, the anti-vibration shield 7 and the arc striking rod 12 form a discharge gap, the arc striking rod 12 is wrapped by the insulating jacket, the ball head of the arc striking rod 12 is incompletely wrapped by the insulating jacket, a reserved gap is used as a discharge electrode, the arc striking rod 12 and the anti-vibration shield 7 discharge to form a lightning discharge channel during lightning stroke, the insulating jacket outside the arc striking rod 12 can effectively reduce short circuit accidents caused by bird damage, the insulator is enabled to have good sealing performance through the sealing rubber layer 13, long-term operation is not easy to damp, influence factors of insulator aging are reduced, the service life of the insulator is prolonged, when the anti-vibration shield 7 is affected by wind, wind strips 15 uniformly distributed on the anti-vibration shield 7 are used for changing wind directions, wind energy is converted into rotating potential energy of the rotating jacket 14, wind energy in any directions is effectively absorbed, wind resistance of the anti-vibration shield 7 is improved, the anti-vibration effect of the composite insulator is enabled to have better anti-vibration stability, and the anti-vibration effect is outstanding.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a ceramic overcoat non-bearing formula anti-icing lightning protection insulator, includes ceramic shell (1) and lower ceramic shell (2), its characterized in that: the utility model discloses a ceramic composite structure, including upper ceramic shell (1), lower ceramic shell (2), connecting mechanism (3) are installed through installing to the relative one end of upper ceramic shell (1) and lower ceramic shell (2), drain pan (4) are installed in the bottom intercommunication of lower ceramic shell (2), the internally mounted of upper ceramic shell (1) and lower ceramic shell (2) has plug (5), the top of plug (5) is connected with annular electrode (6) that runs through the top of upper ceramic shell (1), anti-icing cover (7) with the screw hole are installed at the top of upper ceramic shell (1), screw hole internal thread connection of anti-icing cover (7) has sealed lid (8).

2. The ceramic-sheathed non-load-bearing anti-icing lightning-protection insulator as claimed in claim 1, wherein: the connecting mechanism (3) comprises an upper mounting plate (301) arranged at the bottom of the upper ceramic shell (1) and a lower mounting plate (302) arranged at the top of the lower ceramic shell (2), wherein the upper mounting plate (301) and the lower mounting plate (302) are internally fixed through fastening bolts (303) arranged at equal angles.

3. The ceramic-sheathed non-load-bearing anti-icing lightning-protection insulator as claimed in claim 2, wherein: the inner bottom of the lower ceramic shell (2) is provided with a lower aluminum block (9) sleeved on the outer wall of the core rod (5), the top of the lower aluminum block (9) is stacked and sleeved with an annular resistor disc (10), the top of the annular resistor disc (10) is provided with an upper aluminum block (11) sleeved on the outer wall of the core rod (5), and the upper aluminum block (11) is connected with an arc striking rod (12) extending out of the upper ceramic shell (1) in a penetrating manner.

4. A ceramic-sheathed non-load-bearing anti-icing lightning-protection insulator according to claim 3, wherein: and a sealing rubber layer (13) is filled in gaps between the inner sides of the upper ceramic shell (1) and the lower ceramic shell (2) and the core rod (5), the annular electrode (6), the upper aluminum block (11), the annular resistor disc (10) and the lower aluminum block (9).

5. The ceramic-sheathed non-load-bearing anti-icing lightning-protection insulator as claimed in claim 4, wherein: the outer wall bottom of the sealing cover (8) is rotationally connected with a rotating sleeve (14) through a bearing, and windward strips (15) attached to the top of the anti-icing cover (7) are installed on the outer wall of the rotating sleeve (14) at equal angles.

Images