CN108063021B

CN108063021B - Novel insulator

Info

Publication number: CN108063021B
Application number: CN201711306440.XA
Authority: CN
Inventors: 钟帮建
Original assignee: Jiangxi Xinlong Electric Porcelain Manufacturing Co Ltd
Current assignee: Jiangxi Xinlong Electric Porcelain Manufacturing Co Ltd
Priority date: 2017-12-11
Filing date: 2017-12-11
Publication date: 2020-03-24
Anticipated expiration: 2037-12-11
Also published as: CN108063021A

Abstract

The invention discloses a novel insulator which comprises a main body, wherein a plurality of umbrella skirts are arranged on the main body at equal intervals along the length direction of the main body; be equipped with in the blind hole and be used for improving the inside gas mobility of blind hole, the mobile wind extraction wheel of gas between main part and the safety cover, all be equipped with the air current hole that runs through the lateral wall of main part, intercommunication blind hole between the adjacent full skirt. Compared with the prior art, the invention can improve the gas fluidity in the protective cover and greatly reduce the damage of water vapor and dust to the insulator.

Description

Novel insulator

Technical Field

The invention relates to the field of production of electric porcelain insulators, in particular to a novel insulator.

Background

The insulator is generally installed on a high-voltage power transmission frame for fixing a power transmission line. In order to protect the insulator from being corroded by external rain ash and dust, the prior art is to arrange a protective cover outside the insulator main body, which can play a certain role in protection, but the protection effect of the protective cover still needs to be improved, for example, moisture often condenses into water drops in the protective cover, the water drops flow onto the power transmission line, the water drops cannot be evaporated in time due to poor gas fluidity in the protective cover, particularly, in the early morning, the water drops condense more, the phenomenon of 'bridging' between the power transmission lines is easy to occur, and in addition, due to poor gas fluidity, dust is also easily accumulated in the protective cover, and the insulating property of the insulator is affected.

Disclosure of Invention

The invention provides a novel insulator for solving the technical defects in the prior art, the gas in a protective cover of the novel insulator has good fluidity, and the damage of water vapor and dust to the insulator can be greatly reduced. The specific technical scheme is as follows:

the invention discloses a novel insulator which comprises a main body, wherein a plurality of umbrella skirts are arranged on the main body at equal intervals along the length direction of the main body; be equipped with in the blind hole and be used for improving the inside gas mobility of blind hole, the mobile wind extraction wheel of gas between main part and the safety cover, all be equipped with the air current hole that runs through the lateral wall of main part, intercommunication blind hole between the adjacent full skirt.

Further, the clearance between the protective cover and the main body is at least 10 mm; the opening of the blind hole faces to the closed end of the protective cover; the inner side wall of the closed end of the protective cover is sunken outwards to form an arc surface; the air draft direction of the air draft wheel is towards the opening of the blind hole.

Further, the airflow holes incline towards the opening direction of the blind hole.

Furthermore, the umbrella skirt is provided with a limiting groove for placing the power transmission line, and the limiting groove is positioned at one side of the umbrella skirt close to the opening of the blind hole; a plurality of through holes are formed in the limiting groove, and the axes of the through holes are parallel to the axis of the blind hole.

Furthermore, a first wind wheel driven by wind is arranged on the outer side of the closed end of the protective cover, and the first wind wheel is in transmission connection with the wind pumping wheel through a first rotating shaft; the lateral wall of safety cover closed end is equipped with first bearing, and first pivot is connected with first bearing rotation, is equipped with seal ring between the lateral wall of first bearing and the safety cover lateral wall.

Furthermore, the first wind wheel comprises a plurality of cantilevers which are arranged in a divergence shape, the inner ends of the cantilevers are fixedly connected with the first rotating shaft, bowl-shaped blades are arranged at the outer ends of the cantilevers, and the opening end faces of the blades are perpendicular to the rotating direction of the first wind wheel.

Furthermore, a sleeve is arranged on the side wall of the closed end of the protective cover, the sleeve is rotatably connected with the side wall of the protective cover, and the axis of the sleeve is parallel to the axis of the blind hole; the wind pumping wheel is provided with a second rotating shaft, the end part of the second rotating shaft, which is far away from the wind pumping wheel, is arranged in the sleeve in a penetrating way, and the second rotating shaft is rotationally connected with the sleeve; the outside of safety cover is equipped with the second wind wheel by wind drive, and the second wind wheel is equipped with the third pivot, and the sleeve is run through to the third pivot, and the third pivot is connected with the sleeve rotation, and the third pivot is connected through worm gear's mode transmission with the second pivot.

Furthermore, one end, far away from the blind hole, of the sleeve is sealed, a guide sail blade used for changing the orientation of the second wind wheel under the driving of wind is fixedly arranged at the sealed end of the sleeve, the guide sail blade is sail-shaped, and the windward side of the guide sail blade is perpendicular to the rotation axis of the second wind wheel.

Furthermore, the sleeve is connected with the side wall of the closed end of the protective cover through a second bearing, and a sealing gasket is arranged between the second bearing and the side wall of the closed end of the protective cover; the third rotating shaft is connected with the sleeve through a third bearing.

Further, the lateral wall of safety cover is equipped with the wire guide that is used for cooperating with the power transmission line, and the axis of wire guide is perpendicular with the axis of main part.

The invention has the beneficial effects that: the air exhauster during operation can improve the gas mobility in the blind hole, and the air current in the blind hole passes through the air current hole and exchanges with blind hole lateral wall air current, and then improves gas mobility between safety cover and the main part lateral wall, can accelerate the water droplet volatilization speed in the main part like this, can also reduce the dust in the amount of remaining in the main part.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention having a first wind wheel;

FIG. 2 is an enlarged schematic view of section A of an embodiment of the present invention having a first wind wheel;

FIG. 3 is a schematic diagram of the overall structure of an embodiment of the present invention having a second wind wheel;

fig. 4 is an enlarged structural view of a portion B of an embodiment of the present invention having a second wind wheel.

The figure is marked with: the wind power generation device comprises a main body 100, an airflow hole 101, a blind hole 102, a shed 103, a limiting groove 104, a through hole 105, a baffle 106, an air guide hole 107, a protective cover 200, a wire guide hole 201, a sealing gasket 203, a first bearing 204, a third bearing 205, a second bearing 206, a wind pumping wheel 301, a cantilever 302, a first rotating shaft 303, a first wind wheel 304, a second wind wheel 305, a guide sail 306, a sleeve 307, a third rotating shaft 308 and a second rotating shaft 309.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Please refer to fig. 1-4.

The invention discloses a novel insulator, which comprises a columnar main body 100, wherein a plurality of umbrella skirts 103 are arranged on the main body 100 at equal intervals along the length direction of the main body 100, a protective cover 200 is sleeved outside the main body 100, the protective cover 200 is cylindrical, the protective cover 200 is provided with an opening and a closed end, in the preferred scheme, the opening of the protective cover 200 is sealed by a baffle 106, the baffle 106 is provided with a hole site matched with the main body 100, and the baffle 106 is also provided with a plurality of air guide holes 107 for allowing air flow outside the protective cover 200 to enter, so that the space inside the protective cover 200 can be relatively closed, and dust and water vapor can be reduced from entering the interior of the protective. The main body 100 is internally provided with a cylindrical blind hole 102, the blind hole 102 is arranged along the length direction of the main body 100, and preferably, the diameter of the blind hole 102 is 5cm-10 cm. The blind hole 102 is provided with a wind pumping wheel 301 for improving the gas fluidity inside the blind hole 102 and the gas fluidity between the main body 100 and the protective cover 200, and the wind pumping wheel 301 is a common exhaust wheel in daily life and can make the gas flow in a certain direction. The position of the wind pumping wheel 301 can be randomly placed as long as flowing air flow can be formed in the blind hole 102, preferably, the rotation axis of the wind pumping wheel 301 is overlapped with the axis of the blind hole 102, and the preferred range of the distance between the outer end of the fan blade of the wind pumping wheel 301 and the side wall of the blind hole 102 is 1cm-2 cm. An airflow hole 101 which penetrates through the side wall of the main body 100 and is communicated with the blind hole 102 is arranged between every two adjacent sheds 103. The suction fan may be electrically driven, the power for which may be provided by a power line. The insulator can be driven by external wind power, the use cost and the maintenance cost of the electric drive are high, and the insulator is generally arranged in a high-altitude environment and the wind power around the insulator is high, so that the wind power drive is preferably selected to convert the wind energy into the kinetic energy required by the exhaust fan. When the exhaust fan works, the air flowability in the blind hole 102 can be improved, the air flow in the blind hole 102 is exchanged with the air flow on the outer side wall of the blind hole 102 through the air flow holes 101, and then the air flowability between the protective cover 200 and the outer side wall of the main body 100 is improved, so that the volatilization speed of water drops on the main body 100 can be increased, and the residual quantity of dust on the main body 100 can be reduced.

Further, the gap between the shield cap 200 and the main body 100 is at least 10mm, preferably 15mm, which facilitates the improvement of gas fluidity between the shield cap 200 and the main body 100. The opening of the blind hole 102 is towards the closed end of the protective cover 200; the inner side wall of the closed end of the protective cover 200 is recessed outwards to form an arc surface, namely, the side far away from the opening of the blind hole 102 is recessed to form an arc surface, so that the air flow can be guided left and right, and preferably, the arc surface is semicircular; the convulsions direction of wind suction wheel 301 is towards blind hole 102 opening, the air exhauster during operation, the gas in the blind hole 102 flows to the closed end inside wall of safety cover 200 earlier, then flows along the arcwall face lateral wall of closed end, flows to the full skirt 103 position of main part 100, meanwhile, because the negative pressure is formed in the blind hole 102, the gas that is located between safety cover 200 and main part 100 gets into in the blind hole 102 from air current hole 101, has formed the passageway that an air current flows like this, the near gas mobility of insulator has been improved greatly.

Further, the airflow hole 101 is inclined toward the opening of the blind hole 102, so that when the wind pumping wheel 301 works, air between the protective cover 200 and the main body 100 can enter the blind hole 102 from the airflow hole 101.

Further, the shed 103 is provided with a limiting groove 104 for placing the power transmission line, the limiting groove 104 can limit the position of the power transmission line, and the installation stability of the power transmission line is improved, preferably, the limiting groove 104 is annular, the limiting groove 104 is arranged around the circumferential side wall of the main body 100 and is positioned at the place where the shed 103 meets the main body 100. The limiting groove 104 is positioned at one side of the umbrella skirt 103 close to the opening of the blind hole 102; the limiting groove 104 is provided with a plurality of through holes 105, the through holes 105 are arranged at equal intervals along the annular limiting groove 104, the axes of the through holes 105 are parallel to the axis of the blind hole 102, the size of the through holes 105 is determined according to actual use conditions, as long as the diameter of the through holes 105 is larger than that of the power transmission line to be installed, air flow can pass through the through holes 105, and therefore the air flow is beneficial to improving the air flow near the contact position of the power transmission line and the main body 100, and water drops and dust accumulation are prevented.

Further, the first wind wheel 304 driven by wind is arranged on the outer side of the closed end of the protective cover 200, the first wind wheel 304 is in transmission connection with the wind pumping wheel 301 through the first rotating shaft 303, the rotating axis of the first wind wheel 304 coincides with the rotating axis of the wind pumping wheel 301, when the first wind wheel 304 is blown by external wind, the first wind wheel 304 drives the wind pumping wheel 301, the structure is simple, the wind pumping wheel 301 is driven by renewable energy, the environment is protected, and the difficulty of equipment maintenance is reduced. The side wall of the closed end of the protection cover 200 is provided with a first bearing 204, the first rotating shaft 303 is connected with the first bearing 204 in a matching mode, a sealing gasket 203 is arranged between the outer side wall of the first bearing 204 and the side wall of the protection cover 200, and the sealing gasket 203 can be used for placing external rainwater and dust into the protection cover 200.

Further, the first wind wheel 304 comprises four cantilever arms 302 which are arranged in a divergent shape at equal intervals, the length of each cantilever arm 302 is preferably 8cm-12cm, the inner end of each cantilever arm 302 is fixedly connected with the first rotating shaft 303, bowl-shaped blades are arranged at the outer ends of the cantilever arms 302, and the diameter of the opening end faces of the blades is preferably 2cm-3.5 cm. The opening end face of the blade is perpendicular to the rotation direction of the first wind wheel 304, so that wind can easily drive the first wind wheel 304.

Further, other schemes for driving the wind-pumping wheel 301 by using wind energy are as follows: a sleeve 307 is arranged on the side wall of the closed end of the protective cover 200, the sleeve 307 is rotatably connected with the side wall of the protective cover 200, and the axis of the sleeve 307 is parallel to the axis of the blind hole 102; the wind pumping wheel 301 is provided with a second rotating shaft 309, the end part of the second rotating shaft 309 far away from the wind pumping wheel 301 is arranged in the sleeve 307 in a penetrating way, and the second rotating shaft 309 is rotationally connected with the sleeve 307; the second wind wheel 305 driven by wind is arranged outside the protective cover 200, the second wind wheel 305 is provided with a third rotating shaft 308, the third rotating shaft 308 penetrates through a sleeve 307, the third rotating shaft 308 is rotatably connected with the sleeve 307 through a bearing, the third rotating shaft 308 is in transmission connection with a second rotating shaft 309 through a worm gear, the wind drives the second wind wheel 305, the second wind wheel 305 drives the wind pumping wheel 301 to rotate, and according to different wind directions, the third rotating shaft 308 of the second wind wheel 305 can drive the sleeve 307 to rotate under the action of wind force until the rotating axis of the second wind wheel 305 is parallel to the wind direction. Compared with the scheme, the scheme has a complex structure, but the transmission stability between the second wind wheel 305 and the wind pumping wheel 301 is good, so that the scheme is suitable for areas with large wind power.

Further, the end of the sleeve 307 remote from the blind hole 102 is sealed, which may prevent rain water dust from entering the protective cover 200 from the sleeve 307. The sealed end of the sleeve 307 is fixedly provided with a guide sail blade 306 for changing the orientation of the second wind wheel 305 under the driving of wind, the guide sail blade 306 is sail-shaped, the windward side of the guide sail blade 306 is perpendicular to the rotation axis of the second wind wheel 305, and the guide sail blade 306 can further improve the sensitivity of the second wind wheel 305 for adjusting the wind direction.

Further, the sleeve 307 is connected with the closed end side wall of the protective cover 200 through the second bearing 206, and a sealing gasket 203 is arranged between the second bearing 206 and the closed end side wall of the protective cover 200, so that rainwater and dust can be prevented from entering the protective cover 200; the third shaft 308 is connected with the sleeve 307 through a third bearing 205, and the bearing connection can improve the rotational stability.

Further, the side wall of the protection cover 200 is provided with a wire hole 201 for matching with the power transmission line, the advantage that the axis of the wire hole 201 is perpendicular to the axis of the wire hole 201 of the main body 100, and the wire hole 201 is arranged on the side wall, is to prevent rainwater from directly entering the protection cover 200 from the wire hole 201, in addition, the wire hole 201 is used for discharging water vapor volatilized in the protection cover 200, and preferably, the aperture of the wire hole 201 is slightly larger than the diameter of the power transmission line to be installed, so that the water vapor volatilized and discharged in the protection cover 200 is facilitated.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. The utility model provides a novel insulator, includes main part (100), main part (100) are provided with a plurality of full skirts (103) along its length direction equidistant, main part (100) outside cover is equipped with safety cover (200), its characterized in that:

a blind hole (102) is formed in the main body (100), and the blind hole (102) is formed along the length direction of the main body (100); the blind hole (102) is internally provided with a wind pumping wheel (301) for improving the gas fluidity inside the blind hole (102) and the gas fluidity between the main body (100) and the protective cover (200), and the adjacent umbrella skirts (103) are respectively provided with an airflow hole (101) which penetrates through the side wall of the main body (100) and is communicated with the blind hole (102).

2. An insulator according to claim 1, characterised in that the gap between the protective cover (200) and the body (100) is at least 10 mm; the opening of the blind hole (102) faces the closed end of the protective cover (200); the inner side wall of the closed end of the protective cover (200) is sunken outwards to form an arc surface; the air draft direction of the air draft wheel (301) is opened towards the blind hole (102).

3. An insulator according to claim 2, wherein the airflow hole (101) is inclined towards the opening of the blind hole (102).

4. An insulator according to claim 3, wherein the shed (103) is provided with a limiting groove (104) for placing a power transmission line, and the limiting groove (104) is positioned on one side of the shed (103) close to the opening of the blind hole (102); the limiting groove (104) is provided with a plurality of through holes (105), and the axes of the through holes (105) are parallel to the axis of the blind hole (102).

5. An insulator according to claim 1, wherein a first wind wheel (304) driven by wind is arranged outside the closed end of the protective cover (200), and the first wind wheel (304) is in transmission connection with the wind pumping wheel (301) through a first rotating shaft (303); the lateral wall of safety cover (200) closed end is equipped with first bearing (204), first pivot (303) with first bearing (204) rotate to be connected, the lateral wall of first bearing (204) with be equipped with seal ring (203) between safety cover (200) lateral wall.

6. An insulator according to claim 5, wherein the first wind wheel (304) comprises a plurality of cantilevers (302) arranged in a divergent manner, the inner ends of the cantilevers (302) are fixedly connected with the first rotating shaft (303), the outer ends of the cantilevers (302) are provided with bowl-shaped blades, and the opening end surfaces of the blades are perpendicular to the rotating direction of the first wind wheel (304).

7. An insulator according to claim 1, wherein the closed end side wall of the protective cover (200) is provided with a sleeve (307), the sleeve (307) is rotatably connected with the side wall of the protective cover (200), and the axis of the sleeve (307) is parallel to the axis of the blind hole (102); the wind pumping wheel (301) is provided with a second rotating shaft (309), the end part, far away from the wind pumping wheel (301), of the second rotating shaft (309) penetrates through the sleeve (307), and the second rotating shaft (309) is rotatably connected with the sleeve (307); the outside of safety cover (200) is equipped with by wind driven second wind wheel (305), second wind wheel (305) are equipped with third pivot (308), third pivot (308) run through sleeve (307), third pivot (308) with sleeve (307) rotate to be connected, third pivot (308) with second pivot (309) are through worm gear's mode transmission connection.

8. An insulator according to claim 7, wherein the end of the sleeve (307) far away from the blind hole (102) is sealed, a guide sail blade (306) used for changing the orientation of the second wind wheel (305) under the driving of wind is fixedly arranged at the sealed end of the sleeve (307), the guide sail blade (306) is in a sail shape, and the windward side of the guide sail blade (306) is perpendicular to the rotation axis of the second wind wheel (305).

9. An insulator according to claim 8, wherein the sleeve (307) is connected with the closed end side wall of the protective cover (200) through a second bearing (206), and a sealing gasket (203) is arranged between the second bearing (206) and the closed end side wall of the protective cover (200); the third rotating shaft (308) is connected with the sleeve (307) through a third bearing (205).

10. An insulator according to claim 1, characterised in that the side walls of the protective cover (200) are provided with wire guides (201) for cooperating with power lines, the axis of the wire guides (201) being perpendicular to the axis of the body (100).