Composite silica gel insulator

Abstract

The invention discloses a composite silica gel insulator, and relates to the technical field of insulators, the composite silica gel insulator comprises a rod core and umbrella skirts fixedly wrapping the outer circumferential surface of the rod core, and further comprises fixed supporting assemblies fixedly connected to the two ends of the rod core and used for fixing the insulator and a line; the fixed supporting assembly comprises a fixed clamping seat fixedly connected to the top end of the rod core, a movable clamping seat is arranged at the upper end of the fixed clamping seat, fixing grooves are formed in the ends, close to each other, of the fixed clamping seat and the movable clamping seat, and a torsion unloading assembly is jointly arranged in the two fixing grooves; the torsion unloading assembly comprises a torsion clamping piece movably connected to the interior of the fixing groove. When the line is twisted, the cylinder formed by the twisting clamping pieces is driven under the action of torsion to synchronously rotate in the first sliding groove through the sliding rail, so that the purpose of unloading force when the line is twisted is achieved, the breakage rate of the line caused by twisting is reduced, the service life of the line is prolonged, and the power transmission efficiency of the line is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of insulators, and particularly to a composite silicone insulator. Background Art

[0002] The silicone composite insulator is composed of a glass fiber epoxy resin pull rod, a silicone rubber umbrella skirt and fittings; it can effectively utilize a narrow corridor for pressurized power transmission, is suitable for the technical transformation of urban power grids, can reduce the height of the pole tower, and can save a large amount of manpower, material resources and financial resources. Due to its high bending strength, it can prevent the cascade fracture accidents that are prone to occur in porcelain cross arms, and it is a product that cannot be replaced by porcelain cross arms; it is small in size, light in weight, has strong earthquake resistance and impact resistance, and does not require manual cleaning, providing guarantee for safe operation.

[0003] Insulators are generally erected at high places and are greatly affected by wind damage. In strong wind weather, in addition to swinging, the cable will also twist, which will cause torsional damage to the fixed part of the cable. Long-term damage will cause the outer layer of the cable to break, affecting the power transmission efficiency of the line. Summary of the Invention

[0004] The purpose of the present invention is to propose a composite silicone insulator to solve the problem that the traditional insulator will be worn at the fixed part due to the twisting and swinging of the cable when the cable is damaged by wind, affecting the power transmission efficiency of the line.

[0005] To achieve the above purpose, the present invention adopts the following technical scheme: a composite silicone insulator, including a rod core and an umbrella skirt fixedly wrapped around the outer circumferential surface of the rod core, and further including a fixed support assembly fixedly connected to both ends of the rod core for fixing between the insulator and the line;

[0006] The fixed support assembly includes a fixed clamp seat fixedly connected to the top end of the rod core, and a movable clamp seat is provided at the upper end of the fixed clamp seat. Fixed grooves are opened at the ends of the fixed clamp seat and the movable clamp seat close to each other, and a torsion unloading assembly is jointly provided inside the two fixed grooves;

[0007] The torsion unloading assembly includes torsion clips movably connected inside the fixed grooves. Slide rails are fixedly connected to the sides of the torsion clips away from each other, and first chutes adapted to the slide rails are opened on the inner walls of the fixed grooves.

[0008] As a further description of the above technical solution:

[0009] The upper and lower adjacent torsion clips can be combined into a complete cylindrical shape, the upper and lower adjacent first chutes can form a communicating circular groove, and the cross sections of the first chutes and the slide rails are both T-shaped.

[0010] As a further description of the above technical solution:

[0011] The torsion clip is composed of a plurality of clip blocks. One side of each clip block is provided with a second sliding groove, and the middle part of the other side of the clip block is fixedly connected with a sliding block, and the sliding block is slidably connected to the inside of the second sliding groove.

[0012] As a further description of the above technical solution:

[0013] The cross sections of the sliding block and the second sliding groove are both T-shaped, and springs are fixedly connected between both sides of the sliding block and the second sliding groove.

[0014] As a further description of the above technical solution:

[0015] An adjusting and fixing assembly is arranged inside the torsion clip. The adjusting and fixing assembly includes a limiting groove fixedly connected to the opening edge of the torsion clip. An arc-shaped elastic sheet is slidably penetrated between two horizontally adjacent limiting grooves. One side of the arc-shaped elastic sheet close to the torsion clip is fixedly connected with a capsule body, and the inside of the capsule body is filled with electrorheological fluid.

[0016] As a further description of the above technical solution:

[0017] The inner side of the upper arc-shaped elastic sheet is slidably attached to the inner side of the limiting groove, the outer side of the lower arc-shaped elastic sheet is slidably attached to the outer side of the limiting groove, and the lower arc-shaped elastic sheet can wrap the upper arc-shaped elastic sheet from the outside.

[0018] As a further description of the above technical solution:

[0019] Both ends of the capsule body are fixedly connected with air bags, and air holes are arranged on the sides of the air bags far away from the capsule body.

[0020] As a further description of the above technical solution:

[0021] The fixed support assembly further includes a fastening bolt movably connected between the fixed clip seat and the movable clip seat. A first nut is threadedly connected to the outside of the fastening bolt at the lower end of the fixed clip seat. The lower end of the rod core is fixedly connected with a screw rod, and a second nut is threadedly connected to the outside of the screw rod.

[0022] To sum up, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0023] When clamping the wire, two torsion clips form a cylinder to wrap the wire. When the wire twists, it will drive the cylinder formed by the torsion clips to rotate synchronously inside the first chute under the action of torsion force by using the slide rail, so as to achieve the purpose of unloading force when the wire twists, reduce the breakage rate of the wire caused by twisting, improve the service life of the wire, ensure the power transmission efficiency of the wire, and can perform unloading treatment for the situation where the twisting directions of the two ends of the wire are different, improve the application range of the torsion unloading component, further reduce the breakage rate of the wire caused by wind damage, and ensure the power transmission efficiency of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Shows a schematic diagram of the overall structure provided by an embodiment of the present invention;

[0025] Figure 2 Shows a partial structural schematic diagram of the fixed support component provided by an embodiment of the present invention;

[0026] Figure 3 Shows an exploded structural schematic diagram of the torsion unloading component and the adjustment and fixing component provided by an embodiment of the present invention;

[0027] Figure 4 Shows a schematic diagram of the structure of the torsion clip provided by an embodiment of the present invention;

[0028] Figure 5 Shows a combined view of the clamping block and the slider provided by an embodiment of the present invention;

[0029] Figure 6 Shows a combined view of the clamping block and the second chute provided by an embodiment of the present invention;

[0030] Figure 7 Shows a combined view of the second chute and the spring provided by an embodiment of the present invention.

[0031] LEGEND DESCRIPTION:

[0032] 10. Rod core;

[0033] 20. Umbrella skirt;

[0034] 30. Fixed support component; 31. Fixed clamping seat; 32. Movable clamping seat; 33. Fastening bolt; 34. First nut; 35. Fixed groove; 36. Screw rod; 37. Second nut;

[0035] 40. Torsion unloading component; 41. Torsion clip; 42. Slide rail; 43. First chute; 44. Clamping block; 45. Slider; 46. Second chute; 47. Spring;

[0036] 50. Adjustment and fixing component; 51. Limit groove; 52. Arc-shaped elastic piece; 53. Bladder;

[0037] 60. Airbag;

[0038] 70. Stomata. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0040] like Figures 1-7 As shown, a composite silicone insulator provided by the present invention comprises a rod core 10 and an shed 20 fixedly wrapped on the outer circumferential surface of the rod core 10, and also comprises a fixed support assembly 30 fixedly connected to both ends of the rod core 10 for fixing the insulator and the line; the fixed support assembly 30 comprises a fixed clamp seat 31 fixedly connected to the top of the rod core 10, and a movable clamp seat 32 is provided at the upper end of the fixed clamp seat 31, and a fixing groove 35 is provided at one end of the fixed clamp seat 31 and the movable clamp seat 32 that are close to each other, and the fixed support assembly 30 also comprises a fastening bolt 33 movably connected between the fixed clamp seat 31 and the movable clamp seat 32, and the outer end of the fastening bolt 33 is threadedly connected to a first nut 34 at the lower end of the fixed clamp seat 31, and the lower end of the rod core 10 is fixedly connected to a screw rod 36, and the outer end of the screw rod 36 is threadedly connected to a second nut 37, and the interior of the two fixing grooves 35 is commonly provided with a torsion unloading assembly 40;

[0041] The torsion unloading assembly 40 includes a torsion clip 41 movably connected to the inside of the fixed groove 35, and the side of the torsion clip 41 away from each other is fixedly connected to the slide rail 42. The inner wall of the fixed groove 35 is provided with a first slide groove 43 adapted to the slide rail 42; the upper and lower adjacent torsion clips 41 can be combined into a complete cylindrical shape, and the upper and lower adjacent first slide grooves 43 can form a communicating circular groove. The cross-sections of the first slide groove 43 and the slide rail 42 are both T-shaped to ensure that the slide rail 42 will not separate from the first slide groove 43 when sliding.

[0042] The torsion clamp 41 is composed of a plurality of clamp blocks 44, a second slide groove 46 is provided on one side of the clamp block 44, and a slider 45 is fixedly connected to the middle of the other side of the clamp block 44, and the slider 45 is slidably connected to the inside of the second slide groove 46; the cross-sections of the slider 45 and the second slide groove 46 are both T-shaped to ensure that the slider 45 will not separate from the second slide groove 46 when sliding, and springs 47 are fixedly connected between the two sides of the slider 45 and the second slide groove 46.

[0043] Specifically, first, the insulator is fixedly connected to the electric tower through the screw 36 at the bottom of the rod core 10 and the second nut 37. Then, the line to be erected is placed inside the fixing groove 35 at the upper end of the fixing clamp seat 31. After that, it is clamped by the movable clamp seat 32, and then the fixing bolt 33 and the first nut 34 are used to fix between the fixing clamp seat 31 and the movable clamp seat 32, so as to play a role in supporting the line. Since the umbrella skirt 20 of the insulator is made of composite silicone material, it has good pollution resistance, good anti-pollution performance, strong anti-pollution flashover ability, and good hydrophobic performance;

[0044] However, in the actual use process, affected by wind damage, in addition to swinging, the cable will also twist, which will cause torsional breakage at the fixing part of the cable and the insulator. Long-term breakage will cause the outer layer of the cable to break, affecting the power transmission efficiency of the line;

[0045] Based on this, a torsional unloading component 40 is arranged between the fixing clamp seat 31 and the movable clamp seat 32. When clamping the line, the two torsional clips 41 form a cylinder to wrap the line. When the line twists, it will drive the cylinder formed by the torsional clips 41 to rotate synchronously in the first chute 43 by using the slide rail 42 under the action of torsion force, so as to achieve the purpose of unloading force when the line twists, reduce the breakage rate of the line caused by torsion, improve the service life of the line, and ensure the power transmission efficiency of the line. In addition, since the torsional clip 41 is composed of a plurality of clip blocks 44 spliced together, when there is turbulence, the lines on both sides of the insulator may twist in different directions. In response to this situation, the plurality of clip blocks 44 can slide in different directions in the second chute 46 by using the slide block 45, so as to unload the force for the situation where the twisting directions of the two ends of the line are different, improve the application range of the torsional unloading component 40, further reduce the breakage rate of the line caused by wind damage, and ensure the power transmission efficiency of the line. When the slide block 45 slides in the second chute 46, it will squeeze one side of the spring 47 and stretch the other side of the spring 47. After the line twisting ends, through the elastic reset of the two side springs 47, it can assist the plurality of clip blocks 44 to return to their original states.

[0046] As Figure 2 shown in Figure 3 the inner side of the torsional clip 41 is provided with an adjustment and fixing component 50. The adjustment and fixing component 50 includes a limiting groove 51 fixedly connected to the opening edge of the torsional clip 41. An arc-shaped elastic sheet 52 is slidably penetrated between two horizontally adjacent limiting grooves 51. One side of the arc-shaped elastic sheet 52 close to the torsional clip 41 is fixedly connected with a capsule body 53, and the inside of the capsule body 53 is filled with electrorheological fluid.

[0047] The inner side of the upper arc-shaped elastic piece 52 is in sliding fit with the inner side of the limit groove 51, and the outer side of the lower arc-shaped elastic piece 52 is in sliding fit with the outer side of the limit groove 51. The lower arc-shaped elastic piece 52 can wrap the upper arc-shaped elastic piece 52 from the outside; both ends of the capsule body 53 are fixedly connected with air bags 60, and air holes 70 are formed on the side of the air bag 60 away from the capsule body 53.

[0048] Specifically, when clamping and fixing the circuit, the upper and lower torsion clip pieces 41 always form a cylindrical shape, and the circuit will first form a lap joint with the arc-shaped elastic piece 52 on the inner side of the lower torsion clip piece 41. When the diameter of the circuit is small, the lower arc-shaped elastic piece 52 will be pressed down under the action of the gravity of the circuit, so that both sides of the lower arc-shaped elastic piece 52 slide upward along the limit groove 51 to wrap the upper arc-shaped elastic piece 52 from the outside until the upper arc-shaped elastic piece 52 follows the movable clamp seat 32 to move down to complete the clamping of the circuit. When the diameter of the circuit is large, it will squeeze both the upper and lower arc-shaped elastic pieces 52, causing the arc-shaped elastic pieces 52 to approach the torsion clip pieces 41. At this time, the capsule body 53 is compressed until the two arc-shaped elastic pieces 52 wrap and clamp the circuit, and then the clamping and fixing are completed through the fixed clamp seat 31 and the movable clamp seat 32. After fixing, when the circuit is energized, since the inside of the capsule body 53 is filled with electrorheological fluid, and the arc-shaped elastic piece 52 serves as a conductor to transmit the current to the electrorheological fluid, the electrorheological fluid is energized and solidified, thereby improving the firmness of the arc-shaped elastic piece 52 after adjustment, realizing the fixation of circuits with different diameters while ensuring the stability of the fixation, avoiding the fixation looseness caused by adjustment, and ensuring the safety of the insulator during the erection and use of the circuit;

[0049] In addition, air bags 60 are provided at both ends of the capsule body 53. When the circuit twists or bends, the air bags 60 will be squeezed, so that the gas inside the air bags 60 is discharged through the air holes 70, and thus the volume of the air bags 60 is reduced, forming slopes at both ends of the fixing part of the air bags 60, thereby reducing the bending angle when the circuit swings, further reducing the breakage rate of the circuit caused by torsion or swinging, and improving the service life of the circuit and the guarantee of the power transmission efficiency.

[0050] Working principle: First, the insulator is fixedly connected to the electric tower through the screw 36 at the bottom of the rod core 10 and the second nut 37. Then, the line to be erected is placed inside the fixing groove 35 at the upper end of the fixing clamp seat 31, and then clamped by the movable clamp seat 32. When clamping the line, the two torsion clips 41 form a cylinder to wrap the line. Then, the fixing bolt 33 and the first nut 34 are used to fix between the fixing clamp seat 31 and the movable clamp seat 32, so as to play a role in supporting the line. When the line twists, it will drive the cylinder formed by the torsion clips 41 to rotate synchronously in the first chute 43 by using the slide rail 42 under the action of torsion, so as to achieve the purpose of unloading the force when the line twists, reduce the breakage rate of the line caused by twisting, improve the service life of the line, and ensure the power transmission efficiency of the line. Since the umbrella skirt 20 of the insulator is made of composite silicone material, it has good pollution resistance, anti-pollution performance, strong anti-pollution flashover ability, and good hydrophobic performance.

[0051] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A composite silicone insulator, comprising a rod core (10) and an shed (20) fixedly wrapped around the outer circumference of the rod core (10), characterized in that: It also includes a fixed support assembly (30) fixedly connected to both ends of the rod core (10) and used for fixing the insulator and the line; The fixed support assembly (30) comprises a fixed clamp seat (31) fixedly connected to the top end of the rod core (10), and a movable clamp seat (32) is provided at the upper end of the fixed clamp seat (31), and a fixed groove (35) is provided at one end of the fixed clamp seat (31) and the movable clamp seat (32) that are close to each other, and a torsion unloading assembly (40) is provided inside the two fixed grooves (35); The torsion unloading assembly (40) comprises a torsion clip (41) movably connected to the interior of the fixed groove (35), the torsion clip (41) is fixedly connected to a slide rail (42) on one side away from the other side, and the inner wall of the fixed groove (35) is provided with a first slide groove (43) adapted to the slide rail (42).

2. A composite silicone insulator according to claim 1, characterized in that: The upper and lower adjacent torsion clips (41) can be combined into a complete cylindrical shape, and the upper and lower adjacent first slide grooves (43) can form a communicating circular groove, and the cross-sections of the first slide groove (43) and the slide rail (42) are both T-shaped.

3. A composite silicone insulator according to claim 2, characterized in that: The torsion clamp (41) is composed of a plurality of clamp blocks (44), a second slide groove (46) is provided on one side of the clamp block (44), and a slider (45) is fixedly connected to the middle of the other side of the clamp block (44), and the slider (45) is slidably connected to the inside of the second slide groove (46).

4. A composite silicone insulator according to claim 3, characterized in that: The cross-sections of the slider (45) and the second slide groove (46) are both T-shaped, and springs (47) are fixedly connected between the two sides of the slider (45) and the second slide groove (46).

5. A composite silicone insulator according to claim 4, characterized in that: An adjusting and fixing assembly (50) is provided on the inner side of the torsion clamp (41), and the adjusting and fixing assembly (50) comprises a limiting groove (51) fixedly connected to the opening edge of the torsion clamp (41), and an arc-shaped spring sheet (52) is slidably provided between two horizontally adjacent limiting grooves (51), and a capsule (53) is fixedly connected to a side of the arc-shaped spring sheet (52) close to the torsion clamp (41), and the interior of the capsule (53) is filled with electrorheological fluid.

6. A composite silicone insulator according to claim 5, characterized in that: The inner side of the upper arc-shaped spring piece (52) is slidably fitted with the inner side of the limiting groove (51), and the outer side of the lower arc-shaped spring piece (52) is slidably fitted with the outer side of the limiting groove (51), and the lower arc-shaped spring piece (52) can wrap the upper arc-shaped spring piece (52) from the outside.

7. The composite silicone insulator according to claim 6, characterized in that: Both ends of the sac body (53) are fixedly connected to an air bag (60), and an air hole (70) is provided on a side of the air bag (60) away from the sac body (53).

8. The composite silicone insulator according to claim 1, characterized in that: The fixed support assembly (30) also includes a fastening bolt (33) movably connected between the fixed clamp seat (31) and the movable clamp seat (32), the outer portion of the fastening bolt (33) being threadedly connected to a first nut (34) at the lower end of the fixed clamp seat (31), the lower end of the rod core (10) being fixedly connected to a screw rod (36), and the outer portion of the screw rod (36) being threadedly connected to a second nut (37).

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