Anti-pollution flashover umbrella skirt cover device for insulator of overhead line system of electrified railway

Abstract

The invention provides an anti-pollution flashover umbrella skirt cover device for an electrified railway contact network insulator, which belongs to the technical field of insulators and comprises an insulator body. The fixed seat is fixedly connected to the upper end of the insulator body, and a base is arranged on the lower side of the insulator body; the anti-pollution flashover umbrella skirt cover body is arranged on the outer surface of the insulator body, and the inner surface of the anti-pollution flashover umbrella skirt cover body is fixedly connected with a plurality of inserting blocks; the improved creepage-increasing umbrella skirt completely meets the high requirement of modern power equipment for insulation performance, the installation and fixing mode of the anti-pollution flashover umbrella skirt cover is simple and convenient, meanwhile, the installation strength of the anti-pollution flashover umbrella skirt cover is enhanced, the phenomena that the anti-pollution flashover umbrella skirt cover is prone to falling off or being damaged are avoided, the working efficiency of the anti-pollution flashover umbrella skirt cover is improved, and the service life of the anti-pollution flashover umbrella skirt cover is prolonged. And the waste of time and resources is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of insulators, and in particular relates to an anti-pollution flashover shed skirt cover device for an electrified railway contact network insulator. Background Art

[0002] Insulators are crucial components in power systems, primarily used to support and secure current-carrying conductors and ensure electrical insulation between them and the ground or other conductors. They are widely used in electrical equipment such as transmission lines and substations. Insulators must possess excellent electrical insulation properties and mechanical strength to ensure the safe and stable operation of power systems.

[0003] When protecting the insulators of the electrified railway contact network from pollution, it is usually necessary to add climbing sheds and anti-pollution flashover devices to protect the surface of the insulators from pollution and prevent flashover accidents. The climbing sheds cannot fully meet the high requirements of modern power equipment for insulation performance. The installation and fixing method of the improved anti-pollution flashover shed skirt cover is complicated and cumbersome. At the same time, the installation strength of the anti-pollution flashover shed skirt cover is weak, and it is easy to fall off or be damaged, which reduces the working efficiency of the anti-pollution flashover shed skirt cover and causes waste of time and resources. Summary of the Invention

[0004] The purpose of the present invention is to provide an anti-pollution flashover shed skirt cover device for an electrified railway contact network insulator, aiming to solve the problem that the climbing shed in the prior art cannot fully meet the high requirements of modern power equipment on insulation performance, the installation and fixing method of the improved anti-pollution flashover shed skirt cover is complicated and cumbersome, and the installation strength of the anti-pollution flashover shed skirt cover is weak, and it is easy to fall off or be damaged, which reduces the working efficiency of the anti-pollution flashover shed skirt cover and causes waste of time and resources.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An anti-pollution flashover shed skirt cover device for an electrified railway contact network insulator, comprising:

[0007] Insulator body;

[0008] A fixing seat, the fixing seat is fixedly connected to the upper end of the insulator body, and a base is provided on the lower side of the insulator body;

[0009] An anti-pollution flashover shed cover body, the anti-pollution flashover shed cover body being arranged on the outer surface of the insulator body, and a plurality of plug-in blocks being fixedly connected to the inner surface of the anti-pollution flashover shed cover body;

[0010] A plurality of sliding grooves, each of which is provided on the outer surface of the insulator body, wherein the outer surface of the insulator body is provided with a plurality of movable grooves, and the outer surface of the insulator body is provided with a conical seat;

[0011] Multiple sets of mounting mechanisms, each of which is disposed in a plurality of sliding slots to achieve installation and positioning of a plurality of plug-in blocks; and

[0012] Multiple groups of fixing mechanisms are respectively arranged in multiple movable grooves to realize the clamping and fixing of multiple plug-in blocks.

[0013] As a preferred solution of the present invention, each set of the mounting mechanisms includes:

[0014] A sliding block, wherein the sliding block is slidably connected to the inner surface of the sliding groove, the inner surface of the sliding block is slidably connected to the outer surface of the plug-in block, and both sides of the inner wall of the sliding groove are provided with a limit groove;

[0015] Two limit blocks, the two limit blocks are respectively slidably connected to the inner surfaces of the two limit grooves, and the adjacent ends of the two limit blocks are respectively fixedly connected to the two side ends of the sliding block;

[0016] The limiting component is arranged in the two limiting grooves to limit the two sliding limiting blocks.

[0017] As a preferred solution of the present invention, each set of the limiting components includes:

[0018] Two mounting seats are respectively fixedly connected to the inner walls of one side of the two limiting grooves, and the outer surfaces of the two mounting seats are both sleeved with a first spring.

[0019] As a preferred solution of the present invention, each set of the fixing mechanisms includes:

[0020] A connecting groove is provided on the inner surface of the sliding groove and the movable groove, the inner surface of the connecting groove is slidably connected to a connecting block, and the lower end of the connecting block movably penetrates the outer surface of the plug-in block;

[0021] The control component is arranged in the movable groove to realize the control of the upward and downward sliding of the connecting block.

[0022] As a preferred solution of the present invention, each group of control components includes:

[0023] The movable block is slidably connected to the inner surface of the movable groove, the lower end of the movable block is fixedly connected to the upper end of the connecting block, and one end of the movable block is fixedly connected to the inner surface of the conical seat.

[0024] As a preferred solution of the present invention, a sliding rod is fixedly connected to the lower end of the insulator body, and two clamping blocks are fixedly connected to the outer surface of the sliding rod.

[0025] As a preferred solution of the present invention, the present invention further includes a clamping mechanism, and further includes a clamping mechanism, wherein the clamping mechanism includes:

[0026] A mounting groove is provided at the upper end of the base, an extrusion groove is provided on the lower inner wall of the mounting groove, and the inner surfaces of the mounting groove and the extrusion groove are slidably connected to the outer surface of the sliding rod;

[0027] Two clamping grooves, both of which are formed on the upper inner wall of the extrusion groove, wherein the inner surfaces of the two clamping grooves are slidably connected to the outer surfaces of the two clamping blocks;

[0028] The elastic component is arranged in the extrusion groove and is used to achieve the function of limiting support for the two sliding clamping blocks.

[0029] As a preferred solution of the present invention, the elastic component includes:

[0030] The limiting seat is fixedly connected to the inner surface of the extrusion groove, the outer surface of the limiting seat is sleeved with a second spring, the inner surface of the extrusion groove is slidably connected to the extrusion seat, and the inner surface of the extrusion seat is fixedly connected to the outer surface of the second spring.

[0031] As a preferred solution of the present invention, a plurality of support blocks are fixedly connected to the outer surface of the base, and a plurality of first bolts are threadedly connected to the upper end of the base.

[0032] As a preferred solution of the present invention, two fixing pads are provided on the inner surface of the fixing seat, a second bolt is threadedly connected to the inner surface of the fixing seat, and a nut is threadedly connected to the circumferential surface of the second bolt.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] 1. The anti-pollution flashover shed cover body is sleeved on the surface of the insulator body, and then the conical seat is slid upward, thereby driving multiple connecting blocks to move upward inside the multiple connecting grooves, and then the multiple plug-in blocks are respectively inserted into the interior of the multiple sliding blocks, and then the conical seat is controlled to slide downward, and the multiple movable blocks are driven to slide downward under the action of force, and at the same time, the multiple connecting blocks are driven to move through the interior of the multiple plug-in blocks, thereby completing the installation of the multiple plug-in blocks, facilitating the installation and fixation of the anti-pollution flashover shed cover body. The improved climbing shed fully meets the high requirements of modern power equipment for insulation performance, and is convenient for the installation and fixation of the anti-pollution flashover shed cover. At the same time, it strengthens the installation strength of the anti-pollution flashover shed cover, avoids the phenomenon of easy falling off or damage, improves the working efficiency of the anti-pollution flashover shed cover, and reduces the waste of time and resources.

[0035] 2. One end of the movable block is fixed to the inner surface of the conical seat, and the lower end is connected to the connecting block. The connecting block can be controlled to slide up and down according to the movement of the conical seat to clamp and fix the plug-in block to complete the anti-pollution flashover umbrella skirt cover body.

[0036] 3. The installation groove is used in conjunction with the sliding rod to facilitate installation and disassembly. At the same time, the extrusion groove is opened on the lower inner wall of the installation groove to provide a sliding path for the sliding rod and the two clamping blocks. The two clamping grooves are opened on the upper inner wall of the extrusion groove, which is convenient for cooperating with the two clamping blocks to realize the installation and clamping of the sliding rod and the rapid installation and disassembly of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0038] Figure 1 A perspective view of the present invention;

[0039] Figure 2 is a first stereoscopic cross-sectional view of the present invention;

[0040] Figure 3 For the present invention Figure 2 A partial enlarged view of the middle part;

[0041] Figure 4 For the present invention Figure 2 A partial enlarged view of point B in the middle;

[0042] Figure 5 is a second three-dimensional cross-sectional view of the present invention;

[0043] Figure 6 For the present invention Figure 5 A local enlarged view of point C in FIG;

[0044] Figure 7 It is an exploded view of the present invention.

[0045] In the figure: 1. Insulator body; 2. Base; 3. Support block; 4. First bolt; 5. Anti-pollution flashover umbrella skirt cover body; 6. Fixed seat; 7. Second bolt; 8. Fixed pad; 9. Nut; 10. Conical seat; 11. Sliding groove; 12. Sliding block; 13. Limiting groove; 14. Limiting block; 15. Mounting seat; 16. First spring; 17. Extrusion seat; 18. Plug-in block; 19. Movable groove; 20. Movable block; 21. Connecting groove; 22. Connecting block; 23. Mounting groove; 24. Sliding rod; 25. Extrusion groove; 26. Snap-in groove; 27. Snap-in block; 28. Limiting seat; 29. Second spring. DETAILED DESCRIPTION

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0047] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0048] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention in specific circumstances.

[0049] Example 1

[0050] See also Figure 1-7 , the present invention provides the following technical solutions:

[0051] An anti-pollution flashover shed skirt cover device for an electrified railway contact network insulator, comprising:

[0052] Insulator body 1;

[0053] A fixing seat 6 is fixedly connected to the upper end of the insulator body 1, and a base 2 is provided on the lower side of the insulator body 1;

[0054] The anti-pollution flashover shed cover body 5 is arranged on the outer surface of the insulator body 1, and a plurality of plug-in blocks 18 are fixedly connected to the inner surface of the anti-pollution flashover shed cover body 5;

[0055] A plurality of sliding grooves 11 are provided on the outer surface of the insulator body 1. A plurality of movable grooves 19 are provided on the outer surface of the insulator body 1. A conical seat 10 is provided on the outer surface of the insulator body 1.

[0056] Multiple sets of mounting mechanisms, each of which is disposed in a plurality of sliding slots 11 to achieve installation and positioning of a plurality of plug-in blocks 18; and

[0057] Multiple sets of fixing mechanisms are respectively arranged in multiple movable grooves 19 to realize the clamping and fixing of multiple plug-in blocks 18.

[0058] In a specific embodiment of the present invention, the insulator body 1 is the basic component of the entire device, which is used to support and fix the current-carrying conductor. The base 2 is located at the lower end of the insulator body 1, providing support and helping to stabilize the entire device. The anti-pollution flashover shed body 5 is arranged on the outer surface of the insulator body 1 and is installed and fixed according to multiple sets of installation mechanisms and multiple sets of fixing mechanisms. The main function is to prevent external pollutants from adhering to the insulator and reduce the flashover phenomenon caused by pollution. The conical seat 10 is arranged on the outer surface of the insulator body 1, so as to control the operation of the multiple sets of fixing mechanisms according to the conical seat 10. According to the sliding groove 11 opened on the outer surface of the insulator body 1, a sliding space is provided for the sliding block 12 to adjust The position of the plug-in block 18, the sliding block 12 slides in the sliding groove 11, and its inner surface is slidably connected with the outer surface of the plug-in block 18, which is convenient for installing and removing the plug-in block 18. The two limit grooves 13 are opened on the inner walls on both sides of the sliding groove 11, thereby providing sliding tracks for the two limit blocks 14, and at the same time limiting the moving range of the sliding block 12, ensuring the safety and accuracy of the operation, and providing a fixed point for the first spring 16 according to the set mounting seat 15. The elastic force provided by the first spring 16 is used to limit the movement of the limit block 14, ensuring that the limit block 14 can firmly lock the position of the sliding block 12, and is fixed to the inner surface of the anti-pollution flash umbrella skirt cover body 5 through the plug-in block 18. It can pass through the interior of the sliding block 12, so that In order to realize the installation and fixation of the anti-pollution flash umbrella skirt cover body 5, the movable groove 19 is opened to provide operating space for the movable block 20. At the same time, one end of the movable block 20 is fixed to the inner surface of the conical seat 10, and the lower end is connected to the connecting block 22. According to the movement control of the conical seat 10, the connecting block 22 slides up and down, and the connecting block 22 slides in the connecting groove 21. The lower end thereof passes through the plug-in block 18 for clamping and fixing the plug-in block 18. According to the multiple sets of installation mechanisms and multiple sets of fixing mechanisms set up to realize the installation and disassembly of the anti-pollution flash umbrella skirt cover body 5, the anti-pollution flash umbrella skirt cover body 5 adopts more advanced silicone rubber material to improve the pollution resistance and bonding reliability of the climbing umbrella skirt. In addition, the anti-pollution flash umbrella skirt cover body 5 is also targeted at Insulators of different diameters are designed with different specifications and models to adapt to a wider range of application scenarios. The improved climbing shed fully meets the high requirements of modern power equipment for insulation performance, and the installation and fixing method of the anti-pollution flash shed cover is simple and convenient. At the same time, the installation strength of the anti-pollution flash shed cover is enhanced, avoiding the phenomenon of easy falling off or damage, improving the working efficiency of the anti-pollution flash shed cover, and reducing the waste of time and resources. It should be noted that the specific model of the insulator body 1 and the anti-pollution flash shed body 5 to be used is selected by the relevant technical personnel familiar with this field, and the above-mentioned insulator body 1 and the anti-pollution flash shed body 5 are all existing technologies, and this solution will not go into details.

[0059] For details, please refer to Figure 6 , each set of installation mechanisms includes:

[0060] The sliding block 12 is slidably connected to the inner surface of the sliding groove 11. The inner surface of the sliding block 12 is slidably connected to the outer surface of the plug-in block 18. The inner walls of both sides of the sliding groove 11 are provided with limiting grooves 13;

[0061] Two limit blocks 14, the two limit blocks 14 are slidably connected to the inner surfaces of the two limit grooves 13, and the adjacent ends of the two limit blocks 14 are fixedly connected to the two side ends of the sliding block 12;

[0062] The limiting component is arranged in the two limiting grooves 13 to limit the two sliding limiting blocks 14.

[0063] In this embodiment: the sliding block 12 slides in the sliding groove 11, and its inner surface is slidably connected to the outer surface of the plug-in block 18, which is convenient for installing and removing the plug-in block 18. Two limit grooves 13 are opened on the inner walls on both sides of the sliding groove 11, thereby providing sliding tracks for the two limit blocks 14, and at the same time limiting the moving range of the sliding block 12, ensuring the safety and accuracy of the operation. According to the set mounting seat 15, a fixed point is provided for the first spring 16, and the elastic force is provided by the first spring 16 to limit the movement of the limit block 14, ensuring that the limit block 14 can firmly lock the position of the sliding block 12, and is fixed to the inner surface of the anti-pollution flash umbrella skirt cover body 5 through the plug-in block 18. It can pass through the interior of the sliding block 12, which is convenient for the installation and fixation of the anti-pollution flash umbrella skirt cover body 5.

[0064] For details, please refer to Figure 6 , each set of limit components includes:

[0065] The two mounting seats 15 are respectively fixedly connected to the inner wall of one side of the two limiting grooves 13 , and the outer surfaces of the two mounting seats 15 are sleeved with a first spring 16 .

[0066] In this embodiment, the mounting seat 15 is provided to provide a fixing point for the first spring 16 , and the first spring 16 provides elastic force to limit the movement of the limit block 14 , ensuring that the limit block 14 can firmly lock the position of the sliding block 12 .

[0067] For details, please refer to Figure 3 , each set of fixing mechanisms includes:

[0068] A connecting groove 21 is provided on the inner surface of the sliding groove 11 and the movable groove 19. A connecting block 22 is slidably connected to the inner surface of the connecting groove 21. The lower end of the connecting block 22 movably penetrates the outer surface of the plug-in block 18.

[0069] The control component is arranged in the movable groove 19 to realize the upward and downward sliding of the control connection block 22 .

[0070] In this embodiment: an operating space is provided for the movable block 20 by the movable groove 19, and one end of the movable block 20 is fixed to the inner surface of the conical seat 10, and the lower end is connected to the connecting block 22. The connecting block 22 slides up and down according to the movement of the conical seat 10. The connecting block 22 slides in the connecting groove 21, and its lower end passes through the plug-in block 18 for clamping and fixing the plug-in block 18. According to the multiple sets of installation mechanisms and multiple sets of fixing mechanisms set up, the installation and disassembly of the anti-pollution flashover umbrella skirt cover body 5 can be realized.

[0071] For details, please refer to Figure 3 , each set of control components includes:

[0072] The movable block 20 is slidably connected to the inner surface of the movable groove 19 , the lower end of the movable block 20 is fixedly connected to the upper end of the connecting block 22 , and one end of the movable block 20 is fixedly connected to the inner surface of the conical seat 10 .

[0073] In this embodiment: one end of the movable block 20 is fixed to the inner surface of the conical seat 10, and the lower end is connected to the connecting block 22. The connecting block 22 can be controlled to slide up and down according to the movement of the conical seat 10, and is used to clamp and fix the plug-in block 18 to complete the anti-pollution flashover umbrella skirt cover body 5.

[0074] For details, please refer to Figure 4 The lower end of the insulator body 1 is fixedly connected to a sliding rod 24 , and the outer surface of the sliding rod 24 is fixedly connected to two clamping blocks 27 .

[0075] In this embodiment: the sliding rod 24 is fixed to the lower end of the insulator body 1, and a clamping block 27 is provided on the outer surface, which is fixed by sliding into the installation groove 23. The clamping block 27 is fixed to the outer surface of the sliding rod 24, so that it can slide into the clamping groove 26 to achieve rapid installation and disassembly of the device.

[0076] For details, please refer to Figure 4 , further comprising a clamping mechanism, the clamping mechanism comprising:

[0077] The mounting groove 23 is provided at the upper end of the base 2. The lower inner wall of the mounting groove 23 is provided with an extrusion groove 25. The inner surfaces of the mounting groove 23 and the extrusion groove 25 are slidably connected to the outer surface of the sliding rod 24.

[0078] Two clamping grooves 26, both of which are formed on the upper inner wall of the extrusion groove 25, and the inner surfaces of the two clamping grooves 26 are slidably connected to the outer surfaces of the two clamping blocks 27;

[0079] The elastic component is arranged in the extrusion groove 25 and is used to achieve the function of limiting and supporting the two sliding clamping blocks 27.

[0080] In this embodiment: the mounting groove 23 is opened at the upper end of the base 2, and is used in conjunction with the sliding rod 24 to facilitate installation and disassembly. At the same time, the extrusion groove 25 is opened on the lower inner wall of the mounting groove 23, providing a sliding path for the sliding rod 24 and the two clamping blocks 27. The two clamping grooves 26 are opened on the upper inner wall of the extrusion groove 25, and are convenient for cooperating with the two clamping blocks 27 to realize the installation and clamping of the sliding rod 24, and realize the rapid installation and disassembly of the device. According to the fixed limit seat 28, a fixing point is provided for the second spring 29, and the second spring 29 is sleeved on the outer surface of the limit seat 28, thereby providing elastic force to the extrusion seat 17, and limiting and fixing the two clamping blocks 27.

[0081] For details, please refer to Figure 4 , elastic components include:

[0082] The limiting seat 28 is fixedly connected to the inner surface of the extrusion groove 25. The outer surface of the limiting seat 28 is sleeved with a second spring 29. The inner surface of the extrusion groove 25 is slidably connected to the extrusion seat 17. The inner surface of the extrusion seat 17 is fixedly connected to the outer surface of the second spring 29.

[0083] In this embodiment, the fixed limiting seat 28 provides a fixing point for the second spring 29 , and the second spring 29 is sleeved on the outer surface of the limiting seat 28 , thereby providing elastic force to the extrusion seat 17 and limiting and fixing the two clamping blocks 27 .

[0084] For details, please refer to Figure 1 A plurality of support blocks 3 are fixedly connected to the outer surface of the base 2, and a plurality of first bolts 4 are threadedly connected to the upper end of the base 2.

[0085] In this embodiment: multiple support blocks 3 are fixed to the outer surface of the base 2 to enhance the structural strength of the base 2 and improve the overall stability. The base 2 is fixed according to multiple first bolts 4 to fix the base 2 to the external structure.

[0086] For details, please refer to Figure 1 Two fixing pads 8 are provided on the inner surface of the fixing seat 6 , the inner surface of the fixing seat 6 is threadedly connected with a second bolt 7 , and the circumferential surface of the second bolt 7 is threadedly connected with a nut 9 .

[0087] In this embodiment: the fixing seat 6 is fixed to the upper end of the insulator body 1 and is used to install other components, such as the second bolt 7 and the fixing pad 8. The two fixing pads 8 are provided to increase the sealing and stability of the connection and protect the internal components from the influence of the external environment. The second bolt 7 is threadedly connected to the inner surface of the fixing seat 6, and the nut 9 is used in conjunction with the second bolt 7 to ensure the tightness of the connection.

[0088] The working principle and use process of the present invention are as follows: first, the anti-pollution flashover umbrella skirt cover body 5 is placed on the surface of the insulator body 1, then the conical seat 10 is slid upward, thereby driving the multiple connection blocks 22 to move upward inside the multiple connection grooves 21, and then the multiple plug-in blocks 18 are respectively inserted into the interior of the multiple sliding blocks 12, and then the conical seat 10 is controlled to slide downward, and under the action of force, the multiple movable blocks 20 are driven to slide downward, and at the same time, the multiple connection blocks 22 are driven to move through the interior of the multiple plug-in blocks 18, completing the insertion of the multiple plug-in blocks 18. Installation facilitates the installation and fixation of the anti-pollution flashover umbrella skirt cover body 5. The sliding rod 24 and the two clamping blocks 27 are slid into the interior of the installation groove 23 and the extrusion groove 25, and then the insulator body 1 is rotated ninety degrees. At this time, the outer surfaces of the sliding rod 24 and the two clamping blocks 27 are cross-shaped with the inner surface of the installation groove 23. Then, the second spring 29 is sleeved on the outer surface of the limit seat 28, thereby providing elastic force to the extrusion seat 17, and limiting and fixing the two clamping blocks 27 to complete the installation and fixation of the insulator body 1 and the base 2.

[0089] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An anti-pollution flashover shed skirt device for an electrified railway contact network insulator, characterized in that: include: Insulator body (1); A fixing seat (6), the fixing seat (6) being fixedly connected to the upper end of the insulator body (1), and a base (2) being provided on the lower side of the insulator body (1); An anti-pollution flashover shed cover body (5), the anti-pollution flashover shed cover body (5) being arranged on the outer surface of the insulator body (1), and a plurality of plug-in blocks (18) being fixedly connected to the inner surface of the anti-pollution flashover shed cover body (5); A plurality of sliding grooves (11), wherein the plurality of sliding grooves (11) are all provided on the outer surface of the insulator body (1), the outer surface of the insulator body (1) is provided with a plurality of movable grooves (19), and the outer surface of the insulator body (1) is provided with a conical seat (10); Multiple groups of mounting mechanisms, each of which is disposed in a plurality of sliding slots (11) to achieve installation and positioning of a plurality of plug-in blocks (18); and Multiple groups of fixing mechanisms are respectively arranged in multiple movable grooves (19) to achieve clamping and fixing of multiple plug-in blocks (18).

2. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 1, characterized in that: Each set of the mounting mechanisms includes: A sliding block (12), wherein the sliding block (12) is slidably connected to the inner surface of the sliding groove (11), the inner surface of the sliding block (12) is slidably connected to the outer surface of the plug-in block (18), and both inner walls of the sliding groove (11) are provided with limiting grooves (13); Two limit blocks (14), the two limit blocks (14) are respectively slidably connected to the inner surfaces of the two limit grooves (13), and the adjacent ends of the two limit blocks (14) are respectively fixedly connected to the two side ends of the sliding block (12); A limiting component is provided in the two limiting grooves (13) to achieve the function of limiting the two sliding limiting blocks (14).

3. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 2, characterized in that: Each set of the limiting components includes: Two mounting seats (15) are respectively fixedly connected to the inner walls of one side of the two limiting grooves (13); and the outer surfaces of the two mounting seats (15) are both sleeved with a first spring (16).

4. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 3, characterized in that: Each set of the fixing mechanisms includes: A connecting groove (21), the connecting groove (21) is provided on the inner surface of the sliding groove (11) and the movable groove (19), the inner surface of the connecting groove (21) is slidably connected to a connecting block (22), and the lower end of the connecting block (22) movably penetrates the outer surface of the plug-in block (18); A control component is provided in the movable groove (19) to realize the upward and downward sliding of the control connection block (22).

5. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 4, characterized in that: Each set of control components includes: A movable block (20) is slidably connected to the inner surface of the movable groove (19), the lower end of the movable block (20) is fixedly connected to the upper end of the connecting block (22), and one end of the movable block (20) is fixedly connected to the inner surface of the conical seat (10).

6. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 5, characterized in that: The lower end of the insulator body (1) is fixedly connected to a sliding rod (24), and the outer surface of the sliding rod (24) is fixedly connected to two clamping blocks (27).

7. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 6, characterized in that: It also includes a clamping mechanism, the clamping mechanism including: A mounting groove (23), the mounting groove (23) being provided at the upper end of the base (2), an extrusion groove (25) being provided on the lower inner wall of the mounting groove (23), the inner surfaces of the mounting groove (23) and the extrusion groove (25) being slidably connected to the outer surface of the sliding rod (24); Two clamping grooves (26), both of which are formed on the upper inner wall of the extrusion groove (25), and the inner surfaces of the two clamping grooves (26) and the outer surfaces of the two clamping blocks (27) are respectively slidably connected; An elastic component is arranged in the extrusion groove (25) and functions to provide position-limiting support for the two sliding clamping blocks (27).

8. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 7, characterized in that: The elastic component comprises: A limit seat (28) is fixedly connected to the inner surface of the extrusion groove (25), the outer surface of the limit seat (28) is sleeved with a second spring (29), the inner surface of the extrusion groove (25) is slidably connected to the extrusion seat (17), and the inner surface of the extrusion seat (17) is fixedly connected to the outer surface of the second spring (29).

9. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 8, characterized in that: A plurality of support blocks (3) are fixedly connected to the outer surface of the base (2), and a plurality of first bolts (4) are threadedly connected to the upper end of the base (2).

10. The anti-pollution flashover shed skirt cover device for electrified railway contact network insulators according to claim 9, characterized in that: Two fixing pads (8) are provided on the inner surface of the fixing seat (6), a second bolt (7) is threadedly connected to the inner surface of the fixing seat (6), and a nut (9) is threadedly connected to the circumferential surface of the second bolt (7).

Images