Insulator assembly with composite structure

Abstract

The utility model relates to the technical field of insulator assemblies, in particular to an insulator assembly with a composite structure, which comprises a clamping mechanism, the clamping mechanism is welded on the inner walls of the left side and the right side of a metal end, a core rod is clamped in the metal end, a plurality of fixing lantern rings are sleeved and bonded on the outer wall of the core rod, and the fixing lantern rings are welded on the inner walls of the left side and the right side of the metal end. An umbrella skirt is arranged on the outer wall of the fixing lantern ring, and a clamping head rod is arranged at the end of the core rod. According to the improved insulator assembly, through clamping and limiting of the clamping mechanism, the connection strength between the core rod and the metal end is guaranteed, relative displacement of the core rod and the metal end is prevented, the ejector pin belt arranged at the middle end of the outer wall of the umbrella skirt can prevent birds from staying and pecking on the surface of the umbrella skirt, and the wave-shaped lower edge of the umbrella skirt can reduce accumulation of ice and snow on the surface of the umbrella skirt. The hydrophobic antifouling layer can improve the hydrophobicity and antifouling property of the surface of the umbrella skirt, and the optical fiber sensor can perform real-time monitoring, so that the abnormal condition of the insulator assembly can be found in time, and the safety of the whole power system is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to insulator subassembly technical field, specifically is insulator subassembly with composite structure. BACKGROUND

[0002] Insulator subassembly is the key component for supporting and isolating conductor in power system, mainly used in high voltage transmission line and transformer substation. It plays a crucial role in power transmission and distribution. The types of insulator subassembly are various, including insulators made of porcelain, glass, composite materials and other materials, suitable for different voltage levels and environmental conditions. In design and application, the selection of insulator needs to consider various factors, such as voltage level, mechanical strength, environmental conditions, maintenance requirements, etc., to ensure the safe and stable operation of power system.

[0003] Insulator with composite structure refers to insulator that uses non-traditional materials (such as epoxy resin, silicone rubber and other polymers) and design to realize insulation function. Composite structure insulator is widely used in high voltage transmission line, transformer substation, electrified railway, wind power generation, solar power generation and other power systems, especially in polluted environment, coastal area, industrial pollution area or maintenance difficult occasion.

[0004] The inventor found that the existing technology has the following problems in the process of realizing the utility model: 1. The existing traditional insulator subassembly, the connection mode between the metal end and the core rod is mostly screwing and bonding, which is not easy to disassemble and assemble quickly; 2. The existing insulator subassembly made of traditional materials lacks impact resistance and good hydrophobicity and anti-pollution performance in daily use. UTILITY MODEL CONTENT

[0005] The utility model aims at providing insulator subassembly with composite structure to solve the problems of the existing traditional insulator subassembly, the connection mode between the metal end and the core rod is mostly screwing and bonding, which is not easy to disassemble and assemble quickly, and the existing insulator subassembly made of traditional materials lacks impact resistance and good hydrophobicity and anti-pollution performance in daily use. To achieve the above purpose, the utility model provides the following technical scheme: insulator subassembly with composite structure, comprising clamping mechanism, the clamping mechanism is welded on the inner wall of the left and right sides of the metal end, the inside of the metal end is clamped with the core rod, the outer wall of the core rod is sleeved with a plurality of fixed sleeve rings, the outer wall of the fixed sleeve ring is provided with umbrella skirt, the end of the core rod is provided with clamping head rod.

[0006] Further preferably, the clamping mechanism is composed of compression spring piece and clamping ring, one end of the compression spring piece is welded on the inner wall of the metal end, and the other end is provided with clamping ring.

[0007] Further preferably, an inner wall lower end of the metal end is provided with an anti-skid glue layer, and the inner wall of the metal end is provided with a clamping groove.

[0008] Further preferably, a middle end of an outer wall of the umbrella skirt is provided with a thimble belt.

[0009] Further preferably, a lower edge of the umbrella skirt is wavy.

[0010] Further preferably, a surface of the umbrella skirt is coated with a hydrophobic anti-fouling layer.

[0011] Further preferably, a fiber sensor is installed at a bottom end edge of the umbrella skirt close to a connection between the core rod and the metal end.

[0012] Compared with the prior art, the utility model has the beneficial effects of:

[0013] In the utility model, the clamping of the clamping mechanism guarantees the connecting strength between the core rod and the metal end, prevents relative displacement of the two in the process of power system operation, the compression spring member counter-acts the clamping ring, controls the clearance diameter to be smaller than the big head diameter of the clamping rod, ensures that the clamping rod will not fall off from the clamping ring under normal working conditions, thereby improving the safety of the insulator assembly, and the clamping mechanism is simple in design and easy to operate when installing, so that the maintenance cost can be reduced in long-term operation, the operation efficiency of the power system is improved, and the clamping mechanism is convenient to disassemble and assemble, thereby simplifying the maintenance and replacement work, and the anti-skid glue layer is designed to be closely combined with the outer wall of the core rod, thereby increasing the friction between the core rod and the metal end, preventing sliding of the two due to vibration or impact, and also playing a sealing role, preventing moisture and pollutants from invading the contact surface of the core rod and the metal end, and effectively preventing corrosion.

[0014] In the utility model, the thimble belt provided at the middle end of the outer wall of the umbrella skirt can prevent birds from staying and pecking on the surface of the umbrella skirt, avoids damage to the surface of the umbrella skirt, and helps to maintain the integrity and insulation performance of the umbrella skirt, the wavy lower edge of the umbrella skirt can reduce the attachment area of ice and snow on the surface thereof, prevents continuous growth of the ice layer, and makes ice and snow more easily slide downward, the hydrophobic anti-fouling layer coated on the surface of the umbrella skirt can significantly improve the hydrophobicity and anti-fouling property of the surface of the umbrella skirt, helps to maintain the cleanliness and insulation performance of the umbrella skirt, the fiber sensor can monitor key parameters such as temperature and humidity of the installation area in real time, helps to timely find abnormal conditions of the insulator assembly, and timely takes corresponding measures, effectively prevents power system interruption or safety accidents caused by faults of the insulator assembly, and further improves the safety of the entire power system. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 is a front view of the sectional structure of the utility model;

[0017] Figure 3 is a schematic view of the umbrella skirt structure of the utility model;

[0018] Figure 4 is a schematic view of the clamping mechanism structure of the utility model;

[0019] Figure 5 is a schematic view of the clamping head rod structure of the utility model.

[0020] In the figure: 1, clamping mechanism; 101, compression spring part; 102, clamping ring; 2, metal end; 201, anti-skid adhesive layer; 202, clamping groove; 3, core rod; 4, fixed collar; 5, umbrella skirt; 501, thimble belt; 502, hydrophobic and antifouling layer; 503, optical fiber sensor; 6, clamping head rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1 to 5 The utility model provides a technical scheme: the insulator assembly with composite structure, including clamping mechanism 1, clamping mechanism 1 is welded in the left and right two sides inner wall of metal end 2, the inside of metal end 2 is clamped with core rod 3, the outer wall of core rod 3 is connected with the adhesion of a plurality of fixed collars 4, the outer wall of fixed collar 4 is equipped with umbrella skirt 5, and the end of core rod 3 is equipped with clamping head rod 6.

[0023] In the embodiment, as Figure 2 And Figure 4 And Figure 5As shown, the clamping mechanism 1 is composed of a compression spring 101 and a clamping ring 102, one end of the compression spring 101 is welded to the inner wall of the metal end 2, and the other end is provided with the clamping ring 102; it should be noted that the operator can first insert the chuck rod 6 provided at the end of the mandrel 3 into the inside of the metal end 2, at this time, the large head part of the chuck rod 6 will push the clamping ring 102 to the two sides, so that the clamping ring 102 pushes the compression spring 101 connected thereto at the same time, thereby increasing the gap between the two clamping rings 102, so that the large head part of the chuck rod 6 can pass through it and finally snap into the clamping groove 202, at the same time, the compression spring 101 will push the clamping ring 102 in the opposite direction to the outer wall of the rod body of the chuck rod 6, clamping and fixing it, so that the large head part of the chuck rod 6 is clamped and cannot fall off, completing the assembly between the mandrel 3 and the metal end 2, during which the clamping of the clamping mechanism 1 is limited to ensure the connection strength between the mandrel 3 and the metal end 2, preventing relative displacement between the two during the operation of the power system, and the compression spring 101 pushes the clamping ring 102 to control the gap diameter to be smaller than the large head diameter of the chuck rod 6, ensuring that the chuck rod 6 will not fall off from the clamping ring 102 under normal working conditions, thereby improving the safety of the insulator assembly, and at the same time, the design of the clamping mechanism 1 is simple and easy to operate during installation, so that the maintenance cost can be reduced during long-term operation, the operation efficiency of the power system is improved, and the disassembly and assembly are facilitated, thereby simplifying the maintenance and replacement work.

[0024] In this embodiment, as shown in the drawings, Figure 4 The lower end of the inner wall of the metal end 2 is provided with an anti-skid rubber layer 201, and the inner wall of the metal end 2 is provided with a clamping groove 202; it should be noted that when the operator inserts the chuck rod 6 at the end of the mandrel 3 into the inside of the metal end 2, the chuck rod 6 will pass through the clamping mechanism 1 and be clamped and fixed, at the same time, the large head part of the chuck rod 6 can be snap-fitted inside the clamping groove 202, and the anti-skid rubber layer 201 provided at the lower end of the inner wall of the metal end 2 can be tightly fitted to the outer wall of the mandrel 3, completing the assembly between the mandrel 3 and the metal end 2, during which the clamping groove 202 can accurately fix the large head part of the chuck rod 6, ensuring the stable connection between the mandrel 3 and the metal end 2, and avoiding displacement or falling off of the mandrel 3 during operation together with the clamping mechanism 1, and the cooperation of the clamping groove 202 and the chuck rod 6 also enhances the reliability of the connection, preventing accidental separation of the components due to vibration or external force, and the anti-skid rubber layer 201 can tightly fit the outer wall of the mandrel 3 to increase the friction between the mandrel 3 and the metal end 2, effectively preventing sliding of the two due to vibration or impact, and the anti-skid rubber layer 201 can also play a sealing role to prevent moisture and pollutants from entering the contact surface between the mandrel 3 and the metal end 2, effectively preventing corrosion.

[0025] In this embodiment, as shown in the drawings, Figure 1 andFigure 3 As shown in the drawings, the outer wall of the umbrella skirt 5 is provided with a thimble belt 501 at the middle end; it should be noted that the insulator assembly is generally installed in the outside world, so it will encounter various problems, including being pecked and staying by birds due to being installed in the high altitude, thereby damaging the umbrella skirt 5, therefore, in the utility model, the thimble belt 501 is arranged at the middle end of the outer wall of the umbrella skirt 5, and the needle tip part can effectively prevent birds from staying on the surface of the umbrella skirt 5, thereby avoiding the birds from pecking the umbrella skirt 5 and causing damage, in actual use, birds usually seek a flat and stable platform on the surface to rest or build nests, and the surface of the thimble belt 501 is provided with sharp needles, because birds instinctively avoid contacting sharp objects, the sharp needle tip part can prevent birds from staying on the surface of the umbrella skirt 5, and because the thimble belt 501 can prevent birds from pecking the umbrella skirt 5, the surface of the umbrella skirt 5 can be effectively prevented from being damaged, thereby helping to maintain the integrity and insulation performance of the umbrella skirt 5, and further prolonging the service life of the insulator assembly, reducing the frequency and cost of maintenance and replacement.

[0026] In the embodiment, as shown in the drawings, Figure 3 The lower end edge of the umbrella skirt 5 is in a wave shape; it should be noted that the insulator assembly is generally installed in the outside world, so it will encounter various extreme weather, including ice and snow weather in winter, therefore, the lower end edge of the umbrella skirt 5 is designed in a wave shape in the utility model, so as to reduce the attachment area of ice and snow on the surface thereof, thereby making the ice and snow more easily slide downward due to gravity, and in specific use, the wave-shaped edge makes the accumulation area of ice and snow on the umbrella skirt 5 smaller, and because ice and snow tend to accumulate at the wave peaks, the wave-shaped edge makes it difficult for ice and snow to form a continuous ice layer, and due to the discontinuity of the wave shape, the ice layer is more likely to break at the wave peaks during formation, which helps to prevent the continuous growth of the ice layer, thereby reducing the pressure of the ice weight on the insulator, so that when the ice and snow accumulate on the wave-shaped edge of the umbrella skirt 5, they will more easily slide due to gravity, and the wave valleys provide a natural sliding path for the ice and snow.

[0027] In the embodiment, as shown in the drawings, Figure 3As shown, the surface of the umbrella skirt 5 is coated with a hydrophobic anti-fouling layer 502; it should be noted that the insulator assembly is installed in the external environment that will encounter various extreme weather, and during long-term use, rainwater and dust will enter the inside of the component, thereby damaging the performance of the component, so in the utility model, a side hydrophobic anti-fouling layer 502 is coated on the surface of the umbrella skirt 5 to enhance the waterproof and dustproof performance of the umbrella skirt 5, and in actual use, the hydrophobic anti-fouling layer 502 can significantly improve the hydrophobicity of the surface of the umbrella skirt 5, so that rainwater is easy to form water droplets and roll off after contacting the surface, reducing the formation of water film, thereby reducing the wetness of the surface of the umbrella skirt 5, and dust, salt and other contaminated substances are difficult to adhere to the surface of the umbrella skirt 5, thereby reducing the accumulation of contamination, which helps to maintain the cleanliness and insulation performance of the umbrella skirt 5, and the hydrophobic anti-fouling layer 502 can also effectively prevent the pollution flashover phenomenon caused by the accumulation of contamination, and by reducing the accumulation of contamination and improving the insulation performance, the hydrophobic anti-fouling layer 502 helps to improve the operation reliability and stability of the insulator assembly.

[0028] In this embodiment, as shown in the drawings, Figure 3 The bottom edge of the umbrella skirt 5 near the connection between the core rod 3 and the metal end 2 is provided with an optical fiber sensor 503; it should be noted that in order to improve the safety and reliability of the power system during use of the insulator assembly, the utility model installs an optical fiber sensor 503 at the bottom edge of the umbrella skirt 5 near the connection between the core rod 3 and the metal end 2, which can monitor the insulator assembly in real time and continuously, so that potential fault problems can be found and handled in time, and during use, the optical fiber sensor 503 can monitor the temperature, humidity and other key parameters of the installation area in real time, which helps to find abnormal conditions of the insulator assembly in time and capture early signs of failure that may occur during operation of the insulator assembly, so that appropriate measures can be taken in time to effectively prevent power system interruption or safety accidents caused by insulator assembly failure, thereby improving the safety of the entire power system and reducing power outages caused by equipment failure.

[0029] The use method and advantages of the utility model are as follows:

[0030] As shown in the drawings, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, first, the operator can first insert the chuck rod 6 provided at the end of the mandrel 3 into the inside of the metal end 2, at this time, the large head part of the chuck rod 6 will push the clamping ring 102 on both sides, so that the clamping ring 102 pushes the compression spring 101 connected thereto at the same time, thereby increasing the gap between the two clamping rings 102, so that the large head part of the chuck rod 6 can pass through it and finally engaged in the clamping groove 202, at the same time, the compression spring 101 will push the clamping ring 102 close to the outer wall of the rod body of the chuck rod 6, clamping and fixing it, at this time, the large head part of the chuck rod 6 can be engaged in the inside of the clamping groove 202, and the anti-skid rubber layer 201 provided at the lower end of the inner wall of the metal end 2 can be closely attached to the outer wall of the mandrel 3, thereby completing the assembly between the mandrel 3 and the metal end 2, and then connecting the metal end 2 with the cable, in actual use, the needle belt 501 provided on the outer wall of the umbrella skirt 5 can effectively prevent birds from staying on the surface of the umbrella skirt 5, thereby avoiding the damage caused by the pecking of birds on the umbrella skirt 5, and the wavy lower edge of the umbrella skirt 5 can reduce the attachment area of ice and snow on its surface when encountering ice and snow weather, so that ice and snow can more easily slide down due to gravity, the umbrella skirt 5 is coated with a hydrophobic and anti-fouling layer 502 on the surface to enhance the waterproof and dustproof performance of the umbrella skirt 5, and the hydrophobic and anti-fouling layer 502 coated on the surface of the umbrella skirt 5 can reduce the formation of water film after the rainwater contacts the surface of the umbrella skirt 5, thereby reducing the wetness of the surface of the umbrella skirt 5 and reducing the attachment of dust, salt and other contaminants on the surface of the umbrella skirt 5, which helps to maintain the cleanliness and insulation performance of the umbrella skirt 5, and the optical fiber sensor 503 can monitor the temperature, humidity and other key parameters of the umbrella skirt 5 area in real time, and timely detect abnormal conditions of the insulator assembly, effectively preventing power system interruption or safety accidents caused by insulator assembly failure.

[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An insulator assembly with a composite structure, including a clamping mechanism (1), characterized in that: The clamping mechanism (1) is welded to the inner walls of the left and right sides of the metal end (2). The metal end (2) is fitted with a core rod (3). The outer wall of the core rod (3) is fitted with several fixing rings (4). The outer wall of the fixing rings (4) is provided with umbrella skirts (5). The end of the core rod (3) is provided with a clamping rod (6).

2. The insulator assembly with a composite structure according to claim 1, characterized in that: The clamping mechanism (1) consists of a compression spring (101) and a clamping ring (102), wherein one end of the compression spring (101) is welded to the inner wall of the metal end (2), and the other end is provided with a clamping ring (102).

3. The insulator assembly with a composite structure according to claim 2, characterized in that: The lower end of the inner wall of the metal end (2) is provided with an anti-slip rubber layer (201), and the inner wall of the metal end (2) is provided with a slot (202).

4. The insulator assembly with a composite structure according to claim 1, characterized in that: The outer wall of the umbrella skirt (5) is provided with a pin band (501) at the middle.

5. The insulator assembly with a composite structure according to claim 1, characterized in that: The lower edge of the umbrella skirt (5) is wavy.

6. The insulator assembly with a composite structure according to claim 1, characterized in that: The surface of the umbrella skirt (5) is coated with a hydrophobic and antifouling layer (502).

7. The insulator assembly with a composite structure according to claim 1, characterized in that: A fiber optic sensor (503) is installed at the bottom edge of the umbrella skirt (5) near the connection between the core rod (3) and the metal end (2).

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