Insulator for power transmission and transformation line and installation and maintenance method thereof

Abstract

The invention is suitable for the technical field of insulators, and provides an insulator for a power transmission and transformation line and an installation and maintenance method thereof, and the insulator comprises an insulator body and a plurality of annular umbrella skirts which are integrally formed on the outer wall of the insulator body. A rotating part is rotationally arranged on the peripheral side surface of the insulator body; a cleaning part synchronously rotating with the rotating part is arranged on the peripheral side surface of the insulator body; the rotating part comprises an insulating tube; a spiral groove is formed in the peripheral side surface of the insulating tube; the end part of the liquid pumping pipe is screwed with a piston cylinder; piston parts are slidably arranged on the inner walls of the piston cylinders; according to the device, external wind energy is used as a power source for driving, linkage among all parts is matched, reciprocating lifting motion of a piston part is achieved, automatic extraction and spraying of low-concentration alcohol cleaning agents are achieved, and in the reciprocating lifting process of the piston part, a ball head is driven to slide in a reciprocating mode along a spiral groove, and a rotating part is driven to rotate back and forth along with a cleaning part; and the stains on the outer wall of the annular umbrella skirt are scraped cleanly, and the stains on the surface of the annular umbrella skirt are automatically scraped and maintained.

Description

Technical Field

[0001] The present invention relates to the technical field of insulators, and more particularly to an insulator for a power transmission and transformation line and an installation and maintenance method thereof. Background Art

[0002] Insulators are specialized insulating components that play a vital role in overhead power transmission and transformation lines. In the early days, they were primarily used on utility poles. Gradually, they evolved into high-voltage power line connection towers, where numerous disc-shaped insulators are hung on one end to increase creepage distance. These insulators are typically made of glass or ceramic, with ceramic insulators being the most common. However, in humid environments, prolonged use can lead to stains and adhering impurities on the surface of ceramic insulators, which can sometimes cause flashover discharges.

[0003] After searching, the announcement number CN114783704B is a ceramic insulator for high and low voltage transmission lines, including an insulating part and four ring-shaped frames fixed to the insulating part. The two cleaning parts move along the motion trajectory in the shape of the ring-shaped frames by relying on the limit seats on the cleaning parts, so that the cleaning parts can scrape off the sticky substances adhering to the surfaces of the multiple ceramic rings on the insulating part, keep the surfaces of the multiple ceramic rings on the insulating part clean, and prevent flashover discharge.

[0004] However, the cleaning part of the ceramic insulator is driven by a motor to rotate the rotating rod. It is difficult to obtain power from the motor placed at a high altitude. At the same time, the cleaning of the insulator is achieved through the linkage between the various components. The entire transmission mechanism is relatively complicated, which increases the difficulty of installing and maintaining the insulator. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide an insulator for power transmission and transformation lines and an installation and maintenance method thereof. By using external wind energy as a power source and coordinating the linkage between various components, the reciprocating lifting and lowering motion of the piston part is realized, thereby realizing the automatic extraction and spraying of low-concentration alcohol cleaning agent. During the reciprocating lifting and lowering process of the piston part, the ball head is driven to slide back and forth along the spiral groove, thereby driving the rotating part and the cleaning part to rotate back and forth, scraping off the stains on the outer wall of the annular umbrella skirt, and realizing automatic scraping and maintenance of the stains on the surface of the annular umbrella skirt.

[0006] To achieve the above object, the present invention provides the following technical solutions: The cam is provided with a plurality of annular sheds on the outer wall of the insulator body; the cam is provided with a rotating part on the circumferential side surface of the insulator body; the cam is provided with a cleaning part that rotates synchronously with the rotating part; the rotating part comprises an insulating tube; a spiral groove is provided on the outer circumferential side surface of the insulating tube; an annular insulating cone is fixed on the circumferential side surface of the insulator body near its bottom end; a liquid extraction tube is penetrated through the outer wall of the annular insulating cone; a liquid storage box is fixed on the bottom surface of the annular insulating cone; the bottom end of the liquid extraction tube extends into the liquid storage box and is close to the inner bottom surface of the liquid storage box; a piston cylinder is screwed on the end of the liquid extraction tube; a liquid discharge tube is connected to the circumferential side surface of the piston cylinder near its bottom; an infusion hose is connected between the cleaning part and each liquid discharge tube; a piston part is slidably provided on the inner wall of the piston cylinder; the piston part comprises a fixing plate; a vertical rod is fixed to the bottom surface of the fixing plate; an extension rod is fixed to the bottom end of the vertical rod; a ball head is fixed on the end of the extension rod that slides in cooperation with the spiral groove.

[0007] The present invention is further configured as follows: a mounting stud is fixed to the bottom end of the insulator body; a fastening nut is threadedly provided on the mounting stud; a groove for fixing the transmission and transformation line is provided at the top end of the insulator body; fastening bolts and a guide rod are symmetrically provided on both sides of the groove at the top end of the insulator body; a wire pressing block that slides with the guide rod is threadedly provided on the fastening bolt.

[0008] The present invention is further configured as follows: an annular rotation groove is provided on the circumferential side surface of the insulator body; annular guide grooves are symmetrically provided on both sides of the inner wall of the annular rotation groove; a first half rotating ring is fixed to the top of the insulating tube; a first half ring rail is fixed to the inner circumferential side surface of the first half rotating ring, which rotates with the annular rotation groove; both ends of the first half ring rail are fixed with half ring limiting rails that rotate with the annular guide groove; the cleaning part includes a second half rotating ring; and a second half ring rail is fixed to the inner circumferential side surface of the second half rotating ring, which rotates with the annular rotation groove.

[0009] The present invention is further configured as follows: the first semi-annular rail and the second semi-annular rail are both provided with matching external threads on the circumferential side surfaces; the external threads are rotatably provided with a threaded ring; a first ear plate is fixed to the outer circumferential side surface of the threaded ring; a socket is provided on the surface of the first ear plate; a second ear plate is fixed to the circumferential side surface of the insulating tube; a rod is slidingly provided on the surface of the second ear plate and is plugged into the socket; a stopper is fixed to the bottom end of the rod; a reset spring mounted on the rod is fixed between the stopper and the second ear plate.

[0010] The present invention is further configured as follows: the top of the second half rotating ring is staggeredly connected from top to bottom with a V-shaped insulating scraper and an arc-shaped insulating scraper respectively adapted to the annular shed and the insulator body; the outer wall of the V-shaped insulating scraper is fixed with an infusion tube with a sealed end; the end of the discharge tube is sealed, and a plurality of ear tubes are evenly connected to the side surface thereof; a plurality of nozzles are evenly connected to the side surface of the infusion tube; and the other end of the infusion tube is connected to the corresponding ear tube via an infusion hose.

[0011] The present invention is further configured as follows: a connecting pipe threadedly connected to the end of the liquid extraction tube is provided at the bottom of the piston cylinder; a connecting flange is fixed to the connecting pipe and the peripheral side of the liquid extraction tube; a sliding hole is provided at the top of the piston cylinder; a sliding ring that slides with the vertical rod is fixed to the outer peripheral side of the piston cylinder; a first tension spring sleeved on the vertical rod is fixed between the fixed plate and the sliding ring; a piston rod that slides with the sliding hole is fixed to the bottom surface of the fixed plate; a piston that slides with the piston cylinder is fixed to the bottom end of the piston rod.

[0012] The present invention is further configured as follows: a push rod is fixed to the bottom surface of the fixed plate; an exhaust hole is opened at the top of the piston cylinder; guide tubes are symmetrically fixed to the top of the inner top of the piston cylinder on both sides of the exhaust hole; a slider is slidingly provided on the inner wall of the guide tube; a second tension spring is fixed between the slider and the top of the inner top of the guide tube; a U-shaped rod that slides with the guide tube is fixed to the two sliders; a support rod is fixed on the U-shaped rod; a block cover is fixed to the top of the support rod; a sealing plug that plugs into the exhaust hole is fixed to the top of the block cover.

[0013] The present invention is further configured as follows: a number of support columns are evenly fixed on the outer wall of the annular insulating cone; an annular tube is fixed between the tops of the support columns; a number of air intake pipes are evenly inclined and connected on the circumferential side of the annular tube; a conical air collecting hood is fixed on the end of the air intake pipe; a waterproof and breathable membrane is provided inside the conical air collecting hood; an exhaust pipe is connected to the circumferential side of the annular tube; a connecting pipe is connected to the outer circumferential side of the piston cylinder near its inner top; an air supply hose is connected between the connecting pipe and the exhaust pipe; a one-way valve is provided on the air intake pipe, exhaust pipe, connecting pipe, liquid suction pipe and discharge pipe; a liquid inlet pipe extending outward through the annular insulating cone is connected to the top of the liquid storage box; a sealing cover is screwed on the end of the liquid inlet pipe.

[0014] The advantages of the present invention are: 1. In the present invention, external wind enters the air intake pipe through the air intake pipe, and enters the piston cylinder through the exhaust pipe, the air delivery hose and the connecting pipe in sequence. As the air in the space above the piston in the piston cylinder gradually increases, the air pressure presses the piston downward, and the first tension spring is stretched, thereby spraying the low-concentration alcohol cleaner in the piston cylinder through the ear tube, the infusion hose, the infusion tube and the corresponding nozzle toward the annular shed, thereby achieving cleaning and maintenance of the surface of the annular shed. No additional electric drive is required, the structure is simple, and the low-concentration alcohol cleaner is automatically extracted and sprayed, thereby improving the maintenance effect of the insulator.

[0015] 2. In the present invention, when the piston part reciprocates and rises, it drives the ball head to slide back and forth along the spiral groove, thereby driving the rotating part and the cleaning part to rotate back and forth, scraping off the stains on the outer wall of the annular shed, realizing automatic scraping and maintenance of the stains on the surface of the annular shed, improving the cleaning effect of the outer wall of the annular shed, and further improving the maintenance effect of the insulator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic structural diagram of an insulator for a power transmission and transformation line according to the present invention.

[0017] Figure 2 For the present invention Figure 1 Schematic diagram of the structure from a frontal perspective.

[0018] Figure 3 For the present invention Figure 2 A magnified view of area A.

[0019] Figure 4 It is a structural schematic diagram of the annular umbrella skirt of the present invention.

[0020] Figure 5 For the present invention Figure 4 Magnified view of area B.

[0021] Figure 6 For the present invention Figure 4 Schematic diagram of the structure from another angle.

[0022] Figure 7 For the present invention Figure 6 Magnified view of area C.

[0023] Figure 8 It is a structural schematic diagram of the rotating part of the present invention.

[0024] Figure 9 It is a structural schematic diagram of the cleaning part of the present invention.

[0025] Figure 10 It is a structural schematic diagram of the piston part of the present invention.

[0026] Figure 11 It is a structural schematic diagram of the piston cylinder of the present invention.

[0027] Figure 12 For the present invention Figure 11 Magnified view of area D.

[0028] In the figure: 1. insulator body; 2. annular umbrella skirt; 3. rotating part; 4. cleaning part; 5. insulating tube; 6. spiral groove; 7. annular insulating cone; 8. extraction tube; 9. liquid storage box; 10. piston cylinder; 11. discharge tube; 12. piston part; 13. fixing plate; 14. vertical rod; 15. extension rod; 16. ball head; 17. mounting stud; 18. fastening nut; 19. groove; 20. annular rotating groove; 21. annular guide groove; 22. first half rotating ring; 23. first half ring rail; 24. half ring limit rail; 25. second half rotating ring; 26. second half ring rail; 27. external thread; 28. threaded ring; 29. ​​first ear plate; 30. jack; 31. second ear plate; 32. Insert rod; 33. Block; 34. Return spring; 35. V-shaped insulating scraper; 36. Arc-shaped insulating scraper; 37. Infusion tube; 38. Ear tube; 39. Nozzle; 40. Connecting pipe; 41. Connecting flange; 42. Sliding hole; 43. Slip ring; 44. First tension spring; 45. Piston rod; 46. Piston; 47. Push rod; 48. Exhaust hole; 49. Guide tube; 50. Slider; 51. Second tension spring; 52. U-shaped rod; 53. Support rod; 54. Block cover; 55. Sealing plug; 56. Support column; 57. Ring tube; 58. Inlet pipe; 59. Conical air collecting hood; 60. Waterproof and breathable membrane; 61. Exhaust pipe; 62. Connecting pipe; 63. Liquid inlet pipe; 64. Sealing cover. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0031] In the present invention, unless otherwise specified, directions such as "up" and "down" are generally used with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" are generally used with respect to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0032] For example 1, please refer to Figure 1-12 , the present invention provides the following technical solutions: An insulator for a power transmission and transformation line, specifically comprising an insulator body 1 and a plurality of annular sheds 2 integrally formed on the outer wall of the insulator body 1; a rotating portion 3 is rotatably provided on the side surface of the insulator body 1; and a cleaning portion 4 is provided on the side surface of the insulator body 1 that rotates synchronously with the rotating portion 3. The rotating part 3 includes an insulating tube 5; a spiral groove 6 is provided on the outer side surface of the insulating tube 5; an annular insulating cone 7 is fixed to the side surface of the insulator body 1 near its bottom end; a liquid extraction tube 8 is provided through the outer wall of the annular insulating cone 7; a liquid storage box 9 is fixed to the bottom surface of the annular insulating cone 7; the bottom end of the liquid extraction tube 8 extends into the liquid storage box 9 and is close to the inner bottom surface of the liquid storage box 9; the end of the liquid extraction tube 8 is threadedly connected to a piston cylinder 10; a liquid discharge tube 11 is provided on the side surface of the piston cylinder 10 near its bottom; an infusion hose is connected between the cleaning part 4 and each liquid discharge tube 11; a piston part 12 is slidably provided on the inner wall of the piston cylinder 10; the piston part 12 includes a fixing plate 13; a vertical rod 14 is fixed to the bottom surface of the fixing plate 13; an extension rod 15 is fixed to the bottom end of the vertical rod 14; and a ball head 16 that slides with the spiral groove 6 is fixed to the end of the extension rod 15.

[0033] Working principle of this embodiment 1: By using external wind energy as a power source and coordinating the linkage between various components, the piston portion 12 is driven to perform reciprocating lifting and lowering motion inside the piston cylinder 10, thereby realizing automatic extraction and spraying of low-concentration alcohol detergent. During the reciprocating lifting and lowering process of the piston portion 12, the ball head 16 is driven to slide back and forth along the spiral groove 6, thereby driving the rotating portion 3 together with the cleaning portion 4 to rotate back and forth, scraping off the stains on the outer wall of the annular shed 2, realizing automatic scraping and maintenance of the stains on the surface of the annular shed 2, and improving the maintenance effect of the insulator.

[0034] For example 2, please refer to Figure 1-12 The second embodiment is improved on the basis of the first embodiment as follows. Specifically, a mounting stud 17 is fixed to the bottom end of the insulator body 1; a fastening nut 18 is threadedly provided on the mounting stud 17; a groove 19 for fixing the power transmission and transformation line is provided at the top end of the insulator body 1; fastening bolts and guide rods are symmetrically provided on both sides of the groove 19 at the top end of the insulator body 1; a wire pressing block that slides with the guide rod is threadedly provided on the fastening bolt.

[0035] An annular groove 20 is provided on the circumferential side of the insulator body 1; annular guide grooves 21 are symmetrically provided on both sides of the inner wall of the annular groove 20; a first half-ring 22 is fixed to the top of the insulating tube 5; a first half-ring track 23 that rotates with the annular groove 20 is fixed to the inner circumferential side of the first half-ring 22; both ends of the first half-ring track 23 are fixed with half-ring limit rails 24 that rotate with the annular guide groove 21; the cleaning part 4 includes a second half-ring 25; a second half-ring track 26 that rotates with the annular groove 20 is fixed to the inner circumferential side of the second half-ring 25.

[0036] The first half-annular rail 23 and the second half-annular rail 26 are both provided with matching external threads 27 on their circumferential sides; a threaded ring 28 is provided on the external thread 27 for rotation; a first ear plate 29 is fixed to the outer circumferential side of the threaded ring 28; a socket 30 is provided on the surface of the first ear plate 29; a second ear plate 31 is fixed to the circumferential side of the insulating tube 5; a rod 32 is slidingly provided on the surface of the second ear plate 31 and is plugged into the socket 30; a stopper 33 is fixed to the bottom end of the rod 32; a return spring 34 is fixed between the stopper 33 and the second ear plate 31 and is sleeved on the rod 32.

[0037] Working principle of the second embodiment: The second half of the rotating ring 25 is spliced ​​with the first half of the rotating ring 22. At this time, the inner wall of the V-shaped insulating scraper 35 is in contact with the outer wall of the annular shed 2, and the arc-shaped insulating scraper 36 is in contact with the side surface of the insulator body 1. One hand pulls down the insertion rod 32, and the reset spring 34 is compressed. The other hand rotates the threaded ring 28 so that the threaded ring 28 is screwed onto the second half of the rotating ring 25 and the first half of the rotating ring 22. The hand that releases the candle insertion rod 32 is driven to insert the insertion rod 32 into the insertion hole 30 under the elastic force of the reset spring 34, completing the quick installation of the cleaning part 4 and the rotating part 3, which is convenient for the later installation of the cleaning part 4. And maintenance and replacement; pass the transmission and transformation cable between the wire pressing block and the groove 19, the fastening bolt is rotated and set at the top of the insulator body 1, the guide rod is fixed to the top of the insulator body 1, and a screw hole is provided on the surface of the wire pressing block for rotating with the fastening bolt thread, and a mounting hole is provided on the surface of the wire pressing block for sliding cooperation with the guide rod. Rotate the fastening bolt to make the wire pressing block slide down along the guide rod, and the wire pressing block presses the transmission and transformation cable into the groove 19, and then tighten the fastening nut on the fastening bolt to complete the fixed installation of the transmission and transformation cable.

[0038] For example three, please refer to Figure 1-12 The third embodiment is improved upon the second embodiment as follows. Specifically, a V-shaped insulating scraper 35 and an arc-shaped insulating scraper 36 are alternately connected from top to bottom to the top of the second half rotating ring 25, which are adapted to the annular shed 2 and the insulator body 1, respectively. A liquid infusion tube 37 with a sealed end is fixed to the outer wall of the V-shaped insulating scraper 35. The end of the liquid discharge tube 11 is sealed, and a plurality of ear tubes 38 are uniformly connected to the side surface thereof. A plurality of nozzles 39 are uniformly connected to the side surface of the liquid infusion tube 37. The other end of the liquid infusion tube 37 is connected to the corresponding ear tube 38 via a liquid infusion hose.

[0039] The bottom of the piston cylinder 10 is connected to a connecting pipe 40 that is threadedly connected to the end of the liquid extraction pipe 8; connecting flanges 41 are fixed to the side surfaces of the connecting pipe 40 and the liquid extraction pipe 8; a sliding hole 42 is provided at the top of the piston cylinder 10; a sliding ring 43 that slides with the vertical rod 14 is fixed to the outer side surface of the piston cylinder 10; a first tension spring 44 that is sleeved on the vertical rod 14 is fixed between the fixed plate 13 and the sliding ring 43; a piston rod 45 that slides with the sliding hole 42 is fixed to the bottom surface of the fixed plate 13; a piston 46 that slides with the piston cylinder 10 is fixed to the bottom end of the piston rod 45.

[0040] A push rod 47 is fixed to the bottom surface of the fixed plate 13; an exhaust hole 48 is opened at the top of the piston cylinder 10; guide tubes 49 are symmetrically fixed on the top of the inner top of the piston cylinder 10 on both sides of the exhaust hole 48; a slider 50 is slidingly provided on the inner wall of the guide tube 49; a second tension spring 51 is fixed between the slider 50 and the top of the inner top of the guide tube 49; a U-shaped rod 52 that slides with the guide tube 49 is fixed to the two sliders 50; a support rod 53 is fixed on the U-shaped rod 52; a blocking cover 54 is fixed to the top of the support rod 53; a sealing plug 55 that plugs into the exhaust hole 48 is fixed to the top of the blocking cover 54.

[0041] Several support columns 56 are evenly fixed on the outer wall of the annular insulating cone 7; an annular tube 57 is fixed between the top of each support column 56; several air inlet pipes 58 are evenly inclined and connected on the side surface of the annular tube 57; a conical air collecting hood 59 is fixed at the end of the air inlet pipe 58; a waterproof and breathable membrane 60 is provided inside the conical air collecting hood 59; an exhaust pipe 61 is connected on the side surface of the annular tube 57; a connecting pipe 62 is connected on the outer side surface of the piston cylinder 10 near its inner top; an air supply hose is connected between the connecting pipe 62 and the exhaust pipe 61; a one-way valve is provided on the air inlet pipe 58, the exhaust pipe 61, the connecting pipe 62, the liquid extraction pipe 8 and the liquid discharge pipe 11; a liquid inlet pipe 63 extending outward through the annular insulating cone 7 is connected to the top of the liquid storage box 9; a sealing cover 64 is screwed on the end of the liquid inlet pipe 63.

[0042] Working principle of the third embodiment: By setting a one-way valve on the air intake pipe 58, the air flowing outside can only enter the annular tube 57 through the conical air collecting hood 59 and the corresponding air intake pipe 58 in sequence. By setting a one-way valve on the exhaust pipe 61 and the connecting pipe 62, the air in the annular tube 57 can only enter the piston cylinder 10 through the exhaust pipe 61, the air supply hose and the connecting pipe 62 in sequence.

[0043] The waterproof, breathable membrane 60 works on the principle that gas molecules are relatively close together, allowing them to diffuse through the membrane's pores. However, the distance between liquid molecules is smaller than the pores, and due to surface tension, liquid molecules cannot penetrate, effectively providing a waterproof effect. Therefore, a waterproof, breathable membrane 60 is installed inside the conical air collection hood 59 to protect against incoming air. Several air inlet pipes 58 are evenly and obliquely connected around the sides of the annular tube 57, allowing air blown in from any angle to be collected by the corresponding conical air collection hood 59 in the annular tube 57.

[0044] By providing a one-way valve on each of the discharge pipes 11, sealing one end of the discharge pipe 11, and providing a one-way valve near the piston cylinder 10, a one-way valve can also be provided on each group of ear tubes 38, so that the low-concentration alcohol cleaner in the piston cylinder 10 can only pass through the discharge pipe 11, the corresponding ear tube 38 and the corresponding infusion hose in sequence into the corresponding infusion tube 37, and be sprayed toward the outer wall of the annular umbrella skirt 2 through the corresponding nozzle 39.

[0045] The outside wind enters the air intake pipe 58 through the air intake pipe 58, and enters the piston cylinder 10 through the exhaust pipe 61, the air supply hose and the connecting pipe 62 in turn. As the air in the space above the piston 46 inside the piston cylinder 10 gradually increases, the air pressure presses the piston 46 down, and the first tension spring 44 is stretched, thereby spraying the low-concentration alcohol cleaner in the piston cylinder 10 through the ear tube 38, the infusion hose, the infusion tube 37 and the corresponding nozzle 39 to the annular umbrella skirt 2 in turn, thereby achieving cleaning and maintenance of the surface of the annular umbrella skirt 2. When the piston part 12 continues to descend, the push rod 47 is driven to descend synchronously until the push rod 47 abuts against the sealing plug 55 and drives it to separate from the exhaust hole 48. The second tension spring 44 is stretched. The spring 51 is stretched, so that the piston cylinder 10 is connected to the outside, and the exhaust volume of the exhaust hole 48 is greater than the intake volume of the connecting pipe 62, thereby releasing the internal high-pressure state. Under the elastic reset force of the first tension spring 44, the piston part 10 is driven to rise, thereby drawing the low-concentration alcohol detergent in the liquid storage box 9 into the piston cylinder 10 through the liquid extraction tube 8, completing the automatic extraction and spray cleaning of the low-concentration alcohol detergent. When the piston part 10 is reciprocatingly lifted and lowered, the ball head 16 is driven to slide back and forth along the spiral groove 6, thereby driving the rotating part 3 together with the cleaning part 4 to rotate back and forth, scraping off the stains on the outer wall of the annular umbrella skirt 2, and realizing the scraping and maintenance of the stains on the surface of the annular umbrella skirt 2.

[0046] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0047] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0048] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0049] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

[0050] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, various improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. An insulator for a power transmission and transformation line, comprising an insulator body (1) and a plurality of annular shed skirts (2) integrally formed on the outer wall of the insulator body (1); characterized in that: A rotating portion (3) is rotatably provided on the circumferential side surface of the insulator body (1); a cleaning portion (4) is rotatably provided on the circumferential side surface of the insulator body (1); The rotating part (3) comprises an insulating tube (5); a spiral groove (6) is provided on the outer peripheral side surface of the insulating tube (5); An annular insulating cone (7) is fixed to the side surface of the insulator body (1) near its bottom end; a liquid extraction tube (8) is provided through the outer wall of the annular insulating cone (7); a liquid storage box (9) is fixed to the bottom surface of the annular insulating cone (7); the bottom end of the liquid extraction tube (8) extends into the liquid storage box (9) and is close to the inner bottom surface of the liquid storage box (9); a piston cylinder (10) is threadedly connected to the end of the liquid extraction tube (8); a liquid discharge tube (11) is provided on the side surface of the piston cylinder (10) near its bottom; and a liquid infusion hose is connected between the cleaning portion (4) and each liquid discharge tube (11); The inner wall of the piston cylinder (10) is slidably provided with a piston portion (12); the piston portion (12) comprises a fixing plate (13); a vertical rod (14) is fixed to the bottom surface of the fixing plate (13); an extension rod (15) is fixed to the bottom end of the vertical rod (14); and a ball head (16) that slidably cooperates with the spiral groove (6) is fixed to the end of the extension rod (15).

2. The insulator for a power transmission and transformation line according to claim 1, characterized in that: A mounting stud (17) is fixed to the bottom end of the insulator body (1); a fastening nut (18) is rotatably provided on the mounting stud (17); a groove (19) for fixing the power transmission and transformation line is provided at the top end of the insulator body (1); fastening bolts and a guide rod are symmetrically provided on both sides of the groove (19) at the top end of the insulator body (1); a wire pressing block slidably matched with the guide rod is rotatably provided on the fastening bolt.

3. The insulator for a power transmission and transformation line according to claim 2, characterized in that: The insulator body (1) is provided with an annular rotating groove (20) on the circumferential side surface; annular guide grooves (21) are symmetrically provided on both sides of the inner wall of the annular rotating groove (20); a first semi-rotating ring (22) is fixed to the top of the insulating tube (5); a first semi-ring rail (23) rotatably engaged with the annular rotating groove (20) is fixed to the inner circumferential side surface of the first semi-rotating ring (22); semi-ring limit rails (24) rotatably engaged with the annular guide groove (21) are fixed to both ends of the first semi-ring rail (23); The cleaning portion (4) comprises a second half rotating ring (25); a second half ring track (26) is fixed to the inner circumferential side surface of the second half rotating ring (25) and is rotatably matched with the annular rotating groove (20).

4. The insulator for a power transmission and transformation line according to claim 3, characterized in that: The first semi-circular rail (23) and the second semi-circular rail (26) are both provided with matching external threads (27) on their circumferential sides; a threaded ring (28) is provided on the external threads (27) for rotation; a first ear plate (29) is fixed on the outer circumferential side of the threaded ring (28); and a plug hole (30) is provided on the surface of the first ear plate (29); A second ear plate (31) is fixed to the side surface of the insulating tube (5); a plug rod (32) is slidably provided through the surface of the second ear plate (31) and is plugged into and engaged with the plug hole (30); a stopper (33) is fixed to the bottom end of the plug rod (32); and a return spring (34) sleeved on the plug rod (32) is fixed between the stopper (33) and the second ear plate (31).

5. The insulator for a power transmission and transformation line according to claim 4, characterized in that: The top of the second half rotating ring (25) is staggeredly connected from top to bottom with a V-shaped insulating scraper (35) and an arc-shaped insulating scraper (36) respectively adapted to the annular umbrella skirt (2) and the insulator body (1); The outer wall of the V-shaped insulating scraper (35) is fixed with an infusion tube (37) with a sealed end; the end of the discharge tube (11) is sealed, and a plurality of ear tubes (38) are evenly connected and arranged on the circumferential side surface; a plurality of nozzles (39) are evenly connected and arranged on the circumferential side surface of the infusion tube (37); the other end of the infusion tube (37) is connected to the corresponding ear tube (38) via an infusion hose.

6. The insulator for a power transmission and transformation line according to claim 5, characterized in that: The bottom of the piston cylinder (10) is connected to a connecting pipe (40) threadedly connected to the end of the liquid extraction pipe (8); the connecting pipe (40) and the peripheral side of the liquid extraction pipe (8) are both fixed with connecting flanges (41); the top of the piston cylinder (10) is provided with a sliding hole (42); the outer peripheral side of the piston cylinder (10) is fixed with a sliding ring (43) that is slidably matched with the vertical rod (14); a first tension spring (44) sleeved on the vertical rod (14) is fixed between the fixing plate (13) and the sliding ring (43); A piston rod (45) slidably matched with the sliding hole (42) is fixed to the bottom surface of the fixed plate (13); a piston (46) slidably matched with the piston cylinder (10) is fixed to the bottom end of the piston rod (45).

7. The insulator for a power transmission and transformation line according to claim 6, characterized in that: A push rod (47) is fixed to the bottom surface of the fixing plate (13); an exhaust hole (48) is opened at the top of the piston cylinder (10); guide tubes (49) are symmetrically fixed to the top of the piston cylinder (10) on both sides of the exhaust hole (48); a slider (50) is slidably provided on the inner wall of the guide tube (49); a second tension spring (51) is fixed between the slider (50) and the top of the guide tube (49); The two slide blocks (50) are fixed with U-shaped rods (52) that are slidably matched with the guide tube (49); a support rod (53) is fixed on the U-shaped rod (52); a blocking cover (54) is fixed on the top of the support rod (53); and a sealing plug (55) that is plugged and matched with the exhaust hole (48) is fixed on the top of the blocking cover (54).

8. The insulator for a power transmission and transformation line according to claim 7, characterized in that: A plurality of support columns (56) are evenly fixed to the outer wall of the annular insulating cone (7); an annular tube (57) is fixed between the top ends of the support columns (56); a plurality of air inlet pipes (58) are evenly inclined and connected to the circumferential side surface of the annular tube (57); a conical air collecting cover (59) is fixed to the end of the air inlet pipe (58); a waterproof and breathable membrane (60) is provided inside the conical air collecting cover (59); An exhaust pipe (61) is provided on the circumferential side of the annular tube (57); a connecting pipe (62) is provided on the outer circumferential side of the piston cylinder (10) near the inner top thereof; a gas supply hose is connected between the connecting pipe (62) and the exhaust pipe (61); The air inlet pipe (58), the air outlet pipe (61), the connecting pipe (62), the liquid extraction pipe (8) and the liquid discharge pipe (11) are all provided with one-way valves; the top of the liquid storage box (9) is connected with a liquid inlet pipe (63) that passes through the annular insulating cone (7) and extends outward; and the end of the liquid inlet pipe (63) is screwed with a sealing cover (64).

9. The installation and maintenance method of insulators for power transmission and transformation lines according to claim 8, characterized in that: The following steps are involved: T1. Splice the second half rotating ring (25) and the first half rotating ring (22) together. At this time, the inner wall of the V-shaped insulating scraper (35) is attached to the outer wall of the annular umbrella skirt (2), and the arc-shaped insulating scraper (36) is attached to the peripheral side of the insulator body (1). The threaded ring (28) is rotated so that the threaded ring (28) is screwed on the second half rotating ring (25) and the first half rotating ring (22). Under the elastic force of the return spring (34), the insertion rod (32) is driven to be inserted into the insertion hole (30), thereby completing the rapid installation of the cleaning part (4) and the rotating part (3); T2, the outside wind enters the air intake pipe (58) through the air intake pipe (58), and enters the piston cylinder (10) through the exhaust pipe (61), the air delivery hose and the connecting pipe (62) in sequence. As the air in the space above the piston (46) inside the piston cylinder (10) gradually increases, the air pressure presses the piston (46) downward, and the first tension spring (44) is stretched, so that the low-concentration alcohol cleaning agent in the piston cylinder (10) is sprayed toward the annular umbrella skirt (2) through the ear tube (38), the infusion hose, the infusion tube (37) and the corresponding nozzle (39) in sequence, thereby achieving cleaning and maintenance of the surface of the annular umbrella skirt (2); T3. When the piston portion (12) continues to descend, the push rod (47) is driven to descend synchronously, until the push rod (47) abuts against the sealing plug (55) and drives it to separate from the exhaust hole (48), the second tension spring (51) is stretched, so that the piston cylinder (10) is connected to the outside, and the internal high pressure state is released. Under the elastic restoring force of the first tension spring (44), the piston portion (10) is driven to rise, so that the low-concentration alcohol cleaning agent in the liquid storage box (9) is sucked into the piston cylinder (10) through the liquid suction tube (8), completing the automatic extraction and spray cleaning of the low-concentration alcohol cleaning agent; T4. When the piston part (10) is reciprocatingly lifted and lowered, the ball head (16) is driven to slide reciprocatingly along the spiral groove (6), thereby driving the rotating part (3) and the cleaning part (4) to rotate back and forth, thereby scraping off the stains on the outer wall of the annular umbrella skirt (2), thereby achieving the scraping and maintenance of the stains on the surface of the annular umbrella skirt (2).

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