A 35kv pollution flashover resistant covered shed assembly

Abstract

This utility model relates to the field of umbrella skirt technology, specifically to a 35kV anti-pollution flashover covered umbrella skirt assembly, including an insulating tube and a plastic spiral strip disposed inside the insulating tube. Several umbrella skirt assemblies are fixedly connected to the insulating tube. Several sets of reinforcing components are provided within the insulating tube to enhance the covering stability between the entire umbrella skirt assembly and the power equipment, preventing it from easily loosening. By setting the reinforcing components, this utility model allows the protective film on the adhesive to be peeled off when the internal plastic spiral strip is pulled out during installation on the power equipment. The insulating tube itself gradually shrinks to cover the surface of the wire, and the spring, under its own elasticity, pushes the adhesive to adapt and deform on the surface of the wire, bonding it firmly to the wire. Therefore, even if the shrinkage is incomplete during the process of the insulating tube shrinking to cover the wire, the stability of the entire umbrella skirt assembly on the wire can still be maintained.

Description

Technical Field

[0001] This utility model relates to the field of umbrella skirt technology, and in particular to a 35kV anti-pollution flashover covered umbrella skirt assembly. Background Technology

[0002] The enclosed umbrella skirt assembly is a protective structure used in power equipment (such as porcelain insulators). Its core design enhances insulation performance through full encapsulation and also has multiple functions such as anti-pollution flashover, anti-rain flashover, and anti-ice flashover. When in use, the entire umbrella skirt is installed on the surface of power equipment such as cables. Then, the plastic spiral strips inside that serve as support are pulled out, and the umbrella skirt gradually contracts and tightly encapsulates the surface of the power equipment.

[0003] The existing covered umbrella skirt assembly is supported by the stress of the internal plastic spiral strip before installation. During long-term storage and under the support of the plastic spiral strip, the silicone umbrella skirt assembly experiences fatigue and insufficient shrinkage after the internal plastic spiral strip is pulled out during use. This results in insufficient elastic clamping force on the surface of the power equipment, and the elastic clamping force gradually loosens over time, causing the umbrella skirt assembly to slide on the power equipment, thus preventing it from functioning properly and affecting the safe operation of the power system.

[0004] To address this, a 35kV anti-pollution flashover covered umbrella skirt assembly is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a 35kV anti-pollution flashover covered umbrella skirt assembly to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a 35kV anti-pollution flashover covered umbrella skirt assembly, comprising an insulating tube and a plastic spiral strip disposed inside the insulating tube, wherein a plurality of umbrella skirt assemblies are fixedly connected to the insulating tube; the insulating tube is provided with a plurality of reinforcing components, the reinforcing components being used to enhance the covering stability between the entire umbrella skirt assembly and the power equipment, making it less prone to loosening, the reinforcing components including an installation tube fixedly installed in the insulating tube, the installation tube being provided with an arc block, the arc block being adhered with connecting adhesive.

[0007] Preferably, a limiting groove is provided in the installation tube, and a sliding column is slidably connected in the limiting groove, and the arc block is fixedly connected to the sliding column.

[0008] Preferably, a spring is fixedly connected between the sliding column and the mounting tube, and the spring is in a contracted state when the plastic spiral strip is located in the insulating tube.

[0009] Preferably, a protective film is adhered to the connecting adhesive, and the protective film is bonded to the plastic spiral strip. When the plastic spiral strip is gradually pulled out of the insulating tube, the protective film can be peeled off from the surface of the connecting adhesive.

[0010] Preferably, a cable tie is fixedly connected to the insulating tube, and the cable tie is wrapped around the surface of the insulating tube to enhance the compressive force of the insulating tube on the power equipment.

[0011] Preferably, a rubber protective cover is fixedly connected to the end of the insulating tube, and the rubber protective cover has a through groove, through which the end of the cable tie passes.

[0012] Preferably, the umbrella skirt assembly includes a large umbrella skirt and a small umbrella skirt, which are respectively and fixedly connected to the insulating tube in an alternating manner.

[0013] The beneficial effects of this utility model are: This invention, by incorporating a reinforcing component, allows the protective film on the adhesive to be peeled off when the internal plastic spiral strip is removed from the umbrella skirt assembly during installation on electrical equipment. The insulating tube gradually contracts and wraps around the surface of the wire, while the spring, with its elasticity, pushes the adhesive to conform to the wire, ensuring a secure bond. This maintains the stability of the entire umbrella skirt assembly on the wire even if the contraction is incomplete, preventing subsequent loosening and slippage, and guaranteeing the normal operation of the umbrella skirt assembly on the electrical equipment. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of a 35kV anti-pollution flashover covered umbrella skirt assembly according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the insulating tube structure of a 35kV anti-pollution flashover covered umbrella skirt assembly according to an embodiment of the present invention; Figure 3 This is a schematic cross-sectional view of the plastic spiral strip of a 35kV anti-pollution flashover covered umbrella skirt assembly according to an embodiment of the present invention; Figure 4 This is a cross-sectional view of the insulating tube structure of a 35kV anti-pollution flashover covered umbrella skirt assembly according to an embodiment of the present invention; Figure 5This is a schematic diagram of the large umbrella skirt structure of a 35kV anti-pollution flashover covered umbrella skirt assembly according to an embodiment of this utility model; Figure 6 This invention relates to a 35kV anti-pollution flashover covered umbrella skirt assembly. Figure 5 Enlarged structural diagram at point A in the middle; Figure 7 This is a schematic diagram of the connecting adhesive structure of a 35kV anti-pollution flashover covered umbrella skirt assembly according to an embodiment of this utility model.

[0016] The markings in the diagram are: 1. Insulating tube; 2. Plastic spiral strip; 3. Installation tube; 4. Arc block; 5. Connecting adhesive; 6. Limiting groove; 7. Sliding column; 8. Spring; 9. Protective film; 10. Cable tie; 11. Rubber protective cover; 12. Through groove; 13. Large umbrella skirt; 14. Small umbrella skirt. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0018] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0019] like Figures 1 to 7As shown, a specific embodiment of this utility model provides a 35kV anti-pollution flashover covered umbrella skirt assembly, including an insulating tube 1 and a plastic spiral strip 2 disposed inside the insulating tube 1. After the entire umbrella skirt assembly is installed on the power equipment, by pulling out the plastic spiral strip 2 inside, the umbrella skirt assembly gradually contracts under its own elasticity and covers the surface of the power equipment under the action of elastic compression force. This is the prior art. Several umbrella skirt groups are fixedly connected to the insulating tube 1. Several sets of reinforcing components are provided in the insulating tube 1. The reinforcing components are used to enhance the covering stability between the entire umbrella skirt assembly and the power equipment, making it less prone to loosening. By setting the reinforcing components, the umbrella skirt assembly is less prone to loosening after the entire umbrella skirt assembly is installed on the power equipment, maintaining the stability of the power equipment. The reinforcing components include an installation tube 3 fixedly installed in the insulating tube 1, an arc block 4 is provided on the installation tube 3, and a connecting adhesive 5 is adhered to the arc block 4.

[0020] like Figures 3 to 7As shown, specifically, a limiting groove 6 is provided in the mounting tube 3, and a sliding post 7 is slidably connected in the limiting groove 6. The arc block 4 is fixedly connected to the sliding post 7, and a spring 8 is fixedly connected between the sliding post 7 and the mounting tube 3. When the plastic spiral strip 2 is located in the insulating tube 1, the spring 8 is in a contracted state. A protective film 9 is pasted on the adhesive 5, and the protective film 9 is bonded to the plastic spiral strip 2. When the plastic spiral strip 2 is gradually pulled out of the insulating tube 1, it can peel the protective film 9 off the surface of the adhesive 5. When installing the entire umbrella skirt assembly, the wire is passed through the insulating tube 1 and the plastic spiral strip 2, so that the entire umbrella skirt assembly is located outside the wire. Then, the plastic spiral strip 2 is gradually pulled out. During the gradual pulling out process, the plastic spiral strip 2 gradually separates from the insulating tube 1. The part that separates from the two will gradually shrink and cover the surface of the wire under the action of the elasticity of the insulating tube 1. At the same time, during the process of the plastic spiral strip 2 separating from the insulating tube 1 and pulling outward, the plastic spiral strip 2 will peel the protective film 9 off the surface of the adhesive 5. Since the plastic spiral 2 acts as a support inside the insulating tube 1, the spring 8 in the mounting tube 3 is under compression due to the compression of the connecting adhesive 5 and the arc block 4. However, when the plastic spiral 2 is pulled out, it no longer provides support and compression, causing the spring 8 to extend and return to its original position under the reaction force. The spring 8 pushes the sliding column 7 to slide in the limiting groove 6. The sliding column 7 pushes the arc block 4 and the connecting adhesive 5 to gradually approach the surface of the wire. At this time, even if the insulating tube 1 itself has insufficient elastic pressure and does not shrink properly, the entire umbrella skirt assembly can still maintain a certain stability on the wire after being bonded to the surface of the wire by the connecting adhesive 5, and there will be no loosening or slippage. During the whole process, the shrinkage of the insulating tube 1 itself will not affect the bonding process of the connecting adhesive 5 to the surface of the wire. At the same time, the connecting adhesive 5 is set to have a certain thickness and has its own elastic deformation capability, so that it can deform to adapt to the curvature of the wire as it gradually approaches the surface of the wire, thereby achieving a better bonding effect.

[0021] like Figures 1 to 3As shown, specifically, a cable tie 10 is fixedly connected to the insulating tube 1. The cable tie 10 is wrapped around the surface of the insulating tube 1 to enhance the compressive force of the insulating tube 1 on the power equipment. A rubber protective cover 11 is fixedly connected to the end of the insulating tube 1. A through groove 12 is opened on the rubber protective cover 11, and the end of the cable tie 10 passes through the through groove 12. During the above process, as the umbrella skirt assembly is installed on the power equipment, the insulating tube 1 gradually shrinks, resulting in a larger slack gap between the insulating tube 1 and the cable tie 10. At this time, the worker pulls the end of the cable tie 10 in the through groove 12, so that the cable tie 10 can gradually shrink on the surface of the insulating tube 1 and apply binding pressure, making the end of the insulating tube 1 fit the wire more closely. There is no gap between the insulating tube 1 and the wire, which enhances the sealing performance and makes it difficult for external dust and rainwater to enter the interior of the umbrella skirt assembly. At the same time, the setting of the rubber protective cover 11 can protect the cable tie 10 and slow down the aging process of the cable tie 10.

[0022] like Figures 1 to 2 As shown, specifically, the umbrella skirt assembly includes a large umbrella skirt 13 and a small umbrella skirt 14. The large umbrella skirt 13 and the small umbrella skirt 14 are respectively staggered and fixedly connected to the insulating tube 1. By setting the design of the large umbrella skirt 13 and the small umbrella skirt 14, the entire umbrella skirt assembly can block the formation of icicles in winter environments prone to icing, and prevent insulation failure caused by ice flashover. Because of the staggered arrangement of the two, the continuous growth of icicles is physically blocked. The large umbrella skirt 13 has a larger diameter and can cover part of the area of ​​the small umbrella skirt 14 below, so that the icicles cannot directly bridge to the next layer of umbrella skirt. The small umbrella skirt 14 in the middle increases the physical gap between adjacent large umbrella skirts 13, thereby significantly increasing the length and difficulty required for icicle bridging, thereby destroying the formation conditions of flashover channels and avoiding the adverse effects of icicles on the umbrella skirt assembly.

[0023] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0024] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A 35kV anti-pollution flashover covered umbrella skirt assembly, comprising an insulating tube (1) and a plastic spiral strip (2) disposed inside the insulating tube (1), characterized in that, Several umbrella skirt groups are fixedly connected to the insulating tube (1); The insulating tube (1) is provided with several sets of reinforcing components. The reinforcing components are used to enhance the wrapping stability between the entire umbrella skirt assembly and the power equipment, making it less prone to loosening. The reinforcing components include an installation tube (3) fixedly installed in the insulating tube (1). The installation tube (3) is provided with an arc block (4), and the arc block (4) is bonded with connecting adhesive (5).

2. The 35kV anti-pollution flashover covered umbrella skirt assembly according to claim 1, characterized in that, A limiting groove (6) is provided in the installation tube (3), and a sliding column (7) is slidably connected in the limiting groove (6), and the arc block (4) is fixedly connected to the sliding column (7).

3. A 35kV anti-pollution flashover covered umbrella skirt assembly according to claim 2, characterized in that, A spring (8) is fixedly connected between the sliding column (7) and the mounting tube (3). When the plastic spiral strip (2) is located in the insulating tube (1), the spring (8) is in a state of contraction under force.

4. A 35kV anti-pollution flashover covered umbrella skirt assembly according to claim 1, characterized in that, A protective film (9) is pasted on the connecting adhesive (5), and the protective film (9) is bonded to the plastic spiral strip (2). When the plastic spiral strip (2) is gradually pulled out of the insulating tube (1), the protective film (9) can be peeled off from the surface of the connecting adhesive (5).

5. A 35kV anti-pollution flashover covered umbrella skirt assembly according to claim 1, characterized in that, A cable tie (10) is fixedly connected to the insulating tube (1). The cable tie (10) is wrapped around the surface of the insulating tube (1) to enhance the compressive force of the insulating tube (1) on the power equipment.

6. A 35kV anti-pollution flashover covered umbrella skirt assembly according to claim 5, characterized in that, The end of the insulating tube (1) is fixedly connected to a rubber protective cover (11), and the rubber protective cover (11) has a through groove (12), and the end of the cable tie (10) passes through the through groove (12).

7. A 35kV anti-pollution flashover covered umbrella skirt assembly according to claim 1, characterized in that, The umbrella skirt assembly includes a large umbrella skirt (13) and a small umbrella skirt (14), which are respectively fixedly connected to the insulating tube (1) in an alternating manner.

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