Assembled ceramic insulator

By combining the mounting base, the first insulating porcelain column, the terminal block, the adjusting shaft, and the ceramic umbels, and using the electromagnetic spline slide drive unit, the ceramic insulator can be automatically adjusted. This solves the problems of inaccurate assembly and poor stability of existing ceramic insulators, and improves the adaptability and connection reliability of high-altitude operations.

CN121748083APending Publication Date: 2026-03-27JIANGXI PINGXIANG EAST CHINA EXPORT ELECTRIC PORCELAIN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-25
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing ceramic insulators rely on winding installation and manual adjustment, which makes it difficult to achieve precise assembly and adjustment, affecting overall stability and connection reliability. Furthermore, they are inconvenient to operate in high-altitude environments and have poor adaptability.

Method used

It adopts a combination structure of mounting base, first insulating ceramic column, terminal block, adjusting shaft and ceramic umbrella plate, combined with adjusting slider and adjusting cylinder, and uses electromagnetic spline slide table drive unit to realize automatic adjustment. High-precision connection is ensured by thread self-locking and limit nesting design.

Benefits of technology

It enables rapid assembly and precise adjustment of ceramic insulators, improves adaptability to high-altitude operations and overall stability, reduces labor costs and maintenance frequency, and enhances connection reliability.

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Abstract

According to the assembled ceramic insulator, each adjusting shaft is sleeved with a plurality of adjusting sliding blocks capable of sliding along the adjusting shaft in the extending direction of the adjusting shaft, and each adjusting sliding block is provided with two adjusting assemblies capable of being synchronously driven; each adjusting assembly comprises three adjusting cylinders and a ceramic umbrella sheet, the three adjusting cylinders are arranged in the radial direction of the first insulating porcelain column, one ends of the three adjusting cylinders are connected in a sleeving mode, the ceramic umbrella sheet is connected to the tail end adjusting cylinder, and the three adjusting cylinders are configured to be capable of being driven layer by layer so as to drive the ceramic umbrella sheet to move in the radial direction; the wire holder is provided with a first end face which can block one end of the first insulating knob insulator and can be connected with the other end of each adjusting shaft and a second end face which is deviated from the first end face, and the second end face is provided with a wire connection assembly used for being connected with an external cable. The problems that an existing ceramic insulator only depends on winding installation and manual adjustment modes, accurate assembly and adjustment are difficult to achieve, the overall stability and connection reliability are affected, and the environment adaptability is poor are solved.
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Description

Technical Field

[0001] This invention relates to the field of ceramic insulator technology, specifically to an assembled ceramic insulator. Background Technology

[0002] Ceramic insulators are electrical insulation devices made of ceramic materials, mainly used in high-voltage transmission lines to support conductors and prevent current leakage to the support structure.

[0003] For example, patent CN114883068B discloses a ceramic insulator for high-voltage power transmission that is easy to wind and install. It includes a body, a connector detachably connected to the body, and two supports connected to the body, which enhance the stability of the body and connector. The body includes four leaflets, bolts with nuts attached to each leaflet, and a central shaft with four crossbeams. Loosening the four nuts allows the bolts to slide within the crossbeams; tightening the four nuts fixes the position of the four leaflets. When the four leaflets are closest to the central shaft, their inner surfaces are pressed together, resulting in the smallest diameter of the virtual circle formed by the four leaflets. When the four leaflets slide on the outermost edge of the crossbeams using the bolts, the diameter of the virtual circle formed by the dispersed leaflets is the largest. However, the ceramic insulator in the aforementioned patent relies solely on threaded winding for installation, which is prone to inaccurate assembly due to uneven force application or improper operation, posing a certain risk of failure and affecting overall stability and connection reliability. In addition, manual adjustment is extremely inconvenient to operate in high-altitude working environments, making it difficult to achieve precise control over the unfolding state of the fan lobes, resulting in poor adaptability when dealing with complex or dynamic environmental changes.

[0004] Therefore, how to develop a ceramic insulator that can achieve precise assembly and adjustment has become an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of this invention is to solve the problem that existing ceramic insulators rely solely on winding installation and manual adjustment, which makes it difficult to achieve precise assembly and adjustment, resulting in poor overall stability, connection reliability, and environmental adaptability.

[0006] To achieve the above objectives, the present invention provides an assembled ceramic insulator, comprising a mounting base, an insulation mechanism, and a terminal block; The mounting base has a first insulating ceramic post; The insulation mechanism includes several adjusting shafts evenly distributed along the circumference of the first insulating ceramic column and detachably connected at one end to the mounting base. Each adjusting shaft is fitted with several adjusting sliders that can slide along it along its extension direction. Each adjusting slider is provided with two adjusting components that can be driven synchronously. Each adjusting component includes three adjusting cylinders arranged radially along the first insulating ceramic column and fitted at one end, and a ceramic umbrella blade connected to the end adjusting cylinder. The three adjusting cylinders are configured to drive the ceramic umbrella blade to move radially by driving it layer by layer. The terminal block has a first end face that can seal one end of the first insulating ceramic post and connect to the other end of each of the adjusting shafts, and a second end face that is opposite to the first end face. A wiring assembly for connecting external cables is provided on the second end face.

[0007] Optionally, the mounting base is provided with a first mounting hole for threaded connection to one end of each of the adjusting shafts, and a plurality of first limiting blocks for limiting each of the adjusting shafts are evenly distributed in the first mounting hole along its circumference.

[0008] Optionally, one end of each adjusting shaft is provided with a first threaded connector that can be threadedly connected to the first mounting hole, and the periphery of the first threaded connector is provided with a plurality of second limiting blocks that are adapted to the structure of the plurality of first limiting blocks.

[0009] Optionally, the first insulating ceramic column is provided with a limiting groove for limiting the position of each of the adjusting sliders on each of the adjusting shafts.

[0010] Alternatively, each of the adjustment shafts is provided with a plurality of spline grooves for connecting with each of the adjustment sliders thereon.

[0011] Alternatively, each of the adjusting sliders has a limiting protrusion, a spline interface, and a self-driving component for driving it to slide along its corresponding adjusting axis. The limiting protrusion is used to connect with the limiting groove, and the spline interface is used to connect with a plurality of the spline grooves.

[0012] Optionally, each of the adjusting sliders is provided with a drive motor, a timing belt, a transmission shaft, a first lead screw, and a second lead screw. The transmission shaft is connected to the transmission end of the drive motor via the timing belt. The first lead screw and the second lead screw are respectively connected to the drive motor and the transmission shaft to synchronously drive the first-end adjusting cylinder sleeved thereon.

[0013] Optionally, each of the adjusting cylinders includes a transmission cylinder and a connecting cylinder sleeved on the transmission cylinder. The transmission cylinder is threaded onto the first lead screw, the second lead screw, or an adjacent transmission cylinder, and one end of the transmission cylinder is provided with a plurality of rotation stop blocks that can be threadedly connected to the adjacent connecting cylinder. The connecting cylinder is configured to separate from the plurality of rotation stop blocks on the adjacent transmission cylinder after the drive motor rotates in the reverse direction, so as to drive the adjacent transmission cylinder to move.

[0014] Alternatively, the rotation directions of several of the rotation stop blocks on two adjacent transmission cylinders are opposite.

[0015] Optionally, a second insulating ceramic post is provided on the first end face, and a second threaded connector is provided at one end of the second insulating ceramic post, which can be connected to the first insulating ceramic post.

[0016] The beneficial effects of this invention are as follows: The modular ceramic insulator proposed in this invention, through the inclusion of a mounting base, a first insulating porcelain column, a second insulating porcelain column, a terminal block, an adjusting shaft, and ceramic sheds, enables rapid assembly of the ceramic insulator. Furthermore, the automatic adjustment of the ceramic sheds is achieved through the use of adjusting sliders and adjusting cylinders. Compared to existing ceramic insulators, the ceramic insulator of this invention has a simpler assembly structure and eliminates the inefficiency of manual adjustment, achieving precise adjustment of the ceramic sheds and rapid assembly of the ceramic insulator. This improves its adaptability to high-altitude operations, as well as its overall operational stability and connection reliability.

[0017] Furthermore, this invention provides that each adjusting cylinder includes a transmission cylinder and a connecting cylinder sleeved on the transmission cylinder. The transmission cylinder is threaded onto a first lead screw, a second lead screw, or an adjacent transmission cylinder, and one end of the transmission cylinder is provided with several helical stop blocks that can be threadedly connected to the adjacent connecting cylinder. The connecting cylinder is configured to separate from the helical stop blocks on the adjacent transmission cylinder after the drive motor rotates in the reverse direction, thereby driving the adjacent transmission cylinder to move. This allows for more efficient and precise adjustment of the ceramic sheds, ensuring the stability of the ceramic sheds in high-altitude, high-vibration environments, and significantly reducing the labor costs and maintenance frequency of the assembled ceramic insulator of this invention.

[0018] As can be seen from the above, the present invention can effectively solve the problem that existing ceramic insulators rely solely on winding installation and manual adjustment, which makes it difficult to achieve precise assembly and adjustment, resulting in poor overall stability, connection reliability, and environmental adaptability.

[0019] Other features and advantages of the present invention will be described in detail in the following detailed description section. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of an assembled ceramic insulator according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the mounting base according to an embodiment of the present invention; Figure 3 This is a cross-sectional view of the insulation mechanism according to an embodiment of the present invention; Figure 4 This is a cross-sectional view of the adjustment slider from a first perspective, according to an embodiment of the present invention. Figure 5 This is a cross-sectional view of the adjustment slider from a second perspective, according to an embodiment of the present invention. Figure 6 This is a schematic diagram of the adjusting cylinder from a first perspective according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the adjusting cylinder from a second perspective according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the terminal block structure according to an embodiment of the present invention; Figure 9 This is a schematic diagram of the wiring assembly according to an embodiment of the present invention.

[0022] Figure label: 1. Mounting base; 101. Mounting hole; 102. First assembly hole; 2. Terminal block; 201. First end face; 202. Second end face; 3. First insulating porcelain post; 301. Limiting groove; 302. Second assembly hole; 4. Adjusting shaft; 401. Spline groove; 402. Third assembly hole; 403. Assembly groove; 5. Adjusting slider; 501. Limiting protrusion; 502. Spline interface; 6. Umbrella blade; 7. First limiting block; 8. First threaded connector; 9. Second limiting block; 10. Drive motor; 11. Synchronous belt; 12. Drive shaft; 13. First lead screw; 14. Second lead screw; 15. Drive cylinder; 16. Connecting cylinder; 17. Rotation stop block; 18. Rotation stop groove; 19. Limiting plate; 20. Positioning groove; 21. Connecting rod; 22. Connecting groove; 23. Second insulating ceramic column; 24. Second threaded joint; 25. Third limiting block; 26. Rotating rod; 27. Wiring ring; 28. Screw; 29. ​​Arc-shaped clamping plate; 30. Fixing ring; 3001. Through groove; 31. Fixing rod; 3101. Threaded section; 32. Nut. Detailed Implementation

[0023] To enable those skilled in the art to more fully understand the technical solutions of the present invention, exemplary embodiments of the present invention will be described more comprehensively and in detail below with reference to the accompanying drawings. Obviously, the one or more embodiments of the present invention described below are merely one or more specific ways to implement the technical solutions of the present invention, and are not exhaustive. It should be understood that other ways belonging to a general inventive concept can be used to implement the technical solutions of the present invention, and should not be limited to the embodiments described exemplary. Based on one or more embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0024] Reference Figure 1-9 An embodiment of the present invention provides an assembled ceramic insulator, including a mounting base 1, an insulation mechanism, and a terminal block 2; The mounting base 1 has a first insulating ceramic post 3; The insulation mechanism includes several adjusting shafts 4 evenly distributed along the circumference of the first insulating ceramic column 3 and detachably connected to the mounting base 1 at one end. Each adjusting shaft 4 is fitted with several adjusting sliders 5 that can slide along it along its extension direction. Each adjusting slider 5 is provided with two adjusting components that can be driven synchronously. Each adjusting component includes three adjusting cylinders arranged radially along the first insulating ceramic column 3 and fitted together at one end, and ceramic umbrella slabs 6 connected to the end adjusting cylinder. The three adjusting cylinders are configured to be driven layer by layer to drive the ceramic umbrella slabs 6 to move radially. The terminal block 2 has a first end face 201 that can be sealed at one end of the first insulating ceramic post 3 and connected to the other end of each adjusting shaft 4, and a second end face 202 that is opposite to the first end face 201. A wiring assembly for connecting external cables is provided on the second end face 202.

[0025] In one embodiment, a mounting hole 101 is provided on the side of the mounting base 1 facing away from the first insulating ceramic post 3. The mounting hole 101 is used to connect to an external supporting device. Specifically, as shown... Figure 1 and 2 As shown, the external supporting equipment includes transmission towers, equipment brackets, and other support structures. The mounting hole 101 can be fixedly connected to the above-mentioned support structures with bolts to ensure the stability of the ceramic insulator under conditions such as wind deflection and icing.

[0026] In one embodiment, the mounting base 1 is provided with a first mounting hole 102 for threaded connection with one end of each adjusting shaft 4, and a plurality of first limiting blocks 7 for limiting each adjusting shaft 4 are evenly distributed in the first mounting hole 102 along its circumference.

[0027] In one specific embodiment, one end of each adjusting shaft 4 is provided with a first threaded connector 8 that can be threadedly connected to the first assembly hole 102, and the periphery of the first threaded connector 8 is provided with a plurality of second limiting blocks 9 that are adapted to the structure of a plurality of first limiting blocks 7.

[0028] Specifically, such as Figure 2 As shown, one end of each adjusting shaft 4 can be inserted into and threaded into the first mounting hole 102 via the first threaded connector 8. After this, a number of second limiting blocks 9 will be inserted into the number of first limiting blocks 7 in a corresponding manner under the action of the first threaded connector 8.

[0029] The above-mentioned design structure of the present invention achieves a high-precision and high-stability mechanical connection through a dual design of threaded engagement and nested limiting. On the one hand, the self-locking characteristic of the thread can be used to resist the vibration and loosening of the ceramic insulator, ensuring the firmness of the connection; on the other hand, the synchronous movement and fitting embedding of several second limiting blocks 9 form a circumferential anti-rotation structure, effectively limiting the rotational offset of each adjusting shaft 4 during the operation of the ceramic insulator, thereby effectively improving the connection reliability and repeatability accuracy of each adjusting shaft 4 of the present invention.

[0030] In one specific embodiment, the first insulating ceramic column 3 is provided with a limiting groove 301 for limiting the position of each adjusting slider 5 on each adjusting shaft 4.

[0031] In one specific embodiment, each adjusting shaft 4 is provided with a plurality of spline grooves 401 for connecting with each adjusting slider 5 thereon.

[0032] In one specific embodiment, each adjusting slider 5 has a limiting protrusion 501, a spline interface 502, and a self-driving component for driving it to slide along the corresponding adjusting shaft 4. The limiting protrusion 501 is used to connect with the limiting groove 301, and the spline interface 502 is used to connect with a plurality of spline grooves 401.

[0033] Specifically, such as Figure 2 and 3 As shown, the structural design of the limiting groove 301 and the limiting protrusion 501 provides linear guidance for the axial movement of the adjusting slider 5, ensuring its smooth sliding along the corresponding adjusting shaft 4. Furthermore, the spline groove 401 on the adjusting shaft 4 engages with the spline interface 502, which can both transmit torque and restrict the circumferential rotation of the adjusting slider 5. When the self-driving assembly drives the adjusting slider 5, its power can be directly converted into axial displacement through several spline grooves 401. Combined with the boundary constraints of the limiting groove 301, the position of the adjusting slider 5 can be precisely controlled, thereby significantly improving the stability and adjustment accuracy of the adjusting slider 5.

[0034] It is worth noting that the self-driving component is an electromagnetic spline slide drive unit. Its core function is to directly drive the adjusting slider 5 to move axially along the corresponding adjusting shaft 4 through an electromagnetic actuator. The other specific structures and working principles of the electromagnetic spline slide drive unit are existing technologies, and will not be described in detail here.

[0035] Compared to existing manual adjustments, the design structure of this invention offers significant advantages in high-altitude operations involving ceramic insulators. Specifically, the electromagnetic spline slide drive unit's electric drive can be remotely controlled, eliminating the need for operators to climb towers for manual operation at heights, thus greatly reducing safety risks. Furthermore, the combined design of the above structures provides high positioning accuracy and repeatability, effectively solving the positioning deviation problems caused by visual errors or operational vibrations during manual adjustments. This ensures that the distance between the ceramic sheds 6 can still be accurately adjusted under complex conditions such as strong winds and vibrations at high altitudes, thereby improving the reliability and maintenance efficiency of the ceramic insulators.

[0036] In one embodiment, each adjusting slider 5 is provided with a drive motor 10, a timing belt 11, a transmission shaft 12, a first lead screw 13 and a second lead screw 14. The transmission shaft 12 is connected to the transmission end of the drive motor 10 through the timing belt 11. The first lead screw 13 and the second lead screw 14 are respectively connected to the drive motor 10 and the transmission shaft 12 to synchronously drive the first end adjusting cylinder sleeved on it.

[0037] In one specific embodiment, each adjusting cylinder includes a transmission cylinder 15 and a connecting cylinder 16 sleeved on the transmission cylinder 15. The transmission cylinder 15 is threadedly sleeved on the first lead screw 13, the second lead screw 14, or an adjacent transmission cylinder 15, and one end of the transmission cylinder 15 is provided with a plurality of rotation stop blocks 17 that can be threadedly connected to the adjacent connecting cylinder 16. The connecting cylinder 16 is configured to separate from the plurality of rotation stop blocks 17 on the adjacent transmission cylinder 15 after the drive motor 10 rotates in the opposite direction, so as to drive the adjacent transmission cylinder 15 to move.

[0038] In one specific embodiment, the rotation directions of several rotation stop blocks 17 on two adjacent transmission cylinders 15 are opposite.

[0039] In one specific embodiment, the connecting cylinder 16 is provided with a plurality of rotational stop grooves 18 that are adapted to a plurality of rotational stop blocks 17 on adjacent connecting cylinders 16.

[0040] In one embodiment, the ends of the first lead screw 13, the second lead screw 14, and the transmission cylinder 15 are all provided with limiting plates 19 that can limit the transmission cylinder 15 sleeved thereon.

[0041] In one specific embodiment, the transmission cylinder 15 is provided with a positioning groove 20 that can be adapted to the limiting plate 19.

[0042] In one specific embodiment, the cross-sectional shape of the connecting cylinder 16 is T-shaped.

[0043] Specifically, such as Figure 3-7 As shown, when the drive motor 10 synchronously drives the first lead screw 13 and the second lead screw 14 to rotate via the synchronous belt 11 and the transmission shaft 12, the first-end transmission cylinder 15, threaded onto both, moves along them until the positioning groove 20 of the first-end transmission cylinder 15 is fitted onto the limiting plates 19 at the ends of both, at which point the first-end transmission cylinder 15 stops moving. Then, the drive motor 10 is controlled to rotate in the opposite direction. At this time, several rotational stop grooves 18 in the first-end connecting cylinder 16 separate from several rotational stop blocks 17 on the adjacent transmission cylinders 15, allowing the adjacent transmission cylinders 15 to move along the first-end transmission cylinder 15. Similarly, the end transmission cylinder 15 can move under the above transmission principle to achieve layer-by-layer driving of the three transmission cylinders 15.

[0044] In addition, the T-shaped design of the cross-section of the connecting cylinder 16 allows adjacent connecting cylinders 16 to protect the transmission cylinder 15 without affecting its movement, thereby reducing the impact of the external environment on the transmission cylinder 15 and ensuring the stable operation of the adjustment component.

[0045] Compared with the existing bolt adjustment method, the transmission structure adopted in this invention can adjust the ceramic spar 6 more efficiently and accurately, and ensure the stability of the ceramic spar 6 in a high-altitude strong vibration environment, significantly reducing the labor cost and maintenance frequency of the assembled ceramic insulator of this invention.

[0046] In one specific embodiment, the ceramic umbrella slab 6 is U-shaped.

[0047] In one embodiment, the two ends of the ceramic umbrella slab 6 are respectively provided with a connecting rod 21 and a connecting groove 22 for connecting with adjacent ceramic umbrella slabs 6.

[0048] Specifically, such as Figure 1 As shown, the connection rod 21 and the connection groove 22 enhance the stability of the ceramic umbrella blade 6 during operation, thereby improving its overall stability and connection reliability.

[0049] In one embodiment, a second insulating ceramic post 23 is provided on the first end face 201, and a second threaded connector 24 is provided at one end of the second insulating ceramic post 23, which can be connected to the first insulating ceramic post 3.

[0050] In one specific embodiment, the other end of the first insulating ceramic post 3 is provided with a second mounting hole 302 that is adapted to the second threaded connector 24.

[0051] In one embodiment, each adjusting shaft 4 has a third mounting hole 402 at the other end that can be connected to the first threaded connector 8 or the first end face 201.

[0052] In one specific embodiment, a plurality of third limiting blocks 25 are provided on the first end face 201 for limiting the third assembly hole 402.

[0053] In one embodiment, the periphery of the third assembly hole 402 is provided with a plurality of assembly slots 403 that can be connected to a plurality of second limiting blocks 9 or a plurality of third limiting blocks 25.

[0054] Specifically, such as Figure 8 and 9 As shown, the second threaded connector 24 of the second insulating porcelain post 23 is screwed into the second mounting hole 302 of the first insulating porcelain post 3 to form a detachable rigid connection, which ensures electrical insulation performance and facilitates later maintenance.

[0055] The adjusting shaft 4 is engaged with the second limiting block 9 or the third limiting block 25 through the assembly groove 403, which fixes the axial direction and restricts the circumferential rotation, thereby improving the connection strength of the above structure. This enhances the adaptability of the above structure to the high-altitude strong vibration environment, and enables quick positioning during assembly, greatly shortening the assembly time and reducing the risk of loosening due to human error.

[0056] In one specific embodiment, the wiring assembly includes a rotating rod 26 with one end connected to the second end face 202, a wiring ring 27 connected to the rotating rod 26, a screw 28 passing through the wiring ring 27, and an arc-shaped clamping plate 29 provided at one end of the screw 28. An external cable can be connected to the wiring ring 27 through the screw 28 and the arc-shaped clamping plate 29.

[0057] In one embodiment, a fixing ring 30 and a fixing rod 31 are provided on the second end face 202. The fixing ring 30 is sleeved on the rotating rod 26 and has a plurality of through grooves 3001 evenly distributed around its circumference. The fixing ring 30 can pass through the two opposite through grooves 3001 and the rotating rod 26 to fix the rotating rod 26.

[0058] In one specific embodiment, the end of the fixing rod 31 is provided with a threaded section 3101, and a nut 32 is sleeved on the threaded section 3101.

[0059] Specifically, such as Figure 8 and 9 As shown, the external cable can be limited by the connection ring 27 and fixed by the screw 28 and the arc-shaped clamping plate 29. Based on this structure, the laying angle of the external cable can also be adjusted by the rotating rod 26, and the rotating rod 26 can be limited and fixed by the fixing ring 30 and the fixing rod 31 to improve the operational stability of the external cable.

[0060] The assembled ceramic insulator of the present invention is assembled as follows: First, screw the first threaded connector 8 of each adjusting shaft 4 into the first mounting hole 102 of the mounting base 1, so that the second limiting block 9 is embedded in the gap of the first limiting block 7, forming a double fixation of threaded self-locking and circumferential anti-rotation.

[0061] Then, the second threaded connector 24 of the second insulating ceramic post 23 is screwed into the second assembly hole 302 of the first insulating ceramic post 3 to complete the longitudinal connection of the insulation mechanism.

[0062] Next, the limiting protrusion 501 of the adjusting slider 5 is inserted into the limiting groove 301 of the first insulating ceramic column 3, and at the same time, the spline interface 502 is engaged with the spline groove 401 of the adjusting shaft 4 to ensure that the adjusting slider 5 can only slide axially.

[0063] After assembly, the external cable can be threaded through the connection ring 27, and then clamped and fixed by the screw 28 and the arc-shaped clamping plate 29. The through groove 3001 of a suitable angle is inserted into the fixing rod 31 and locked with the nut 32. Then the mounting base 1 is bolted to the external load-bearing equipment such as the transmission tower through the mounting hole 101.

[0064] During adjustment, the assembled ceramic insulator of the present invention: On the one hand, if it is necessary to adjust the spacing of the ceramic umbrella blades 6, the electromagnetic spline slide table drive unit can be remotely controlled by an external control device to drive the adjusting slider 5 to slide along the adjusting shaft 4 to the target position. On the other hand, if it is necessary to adjust the radial position of the ceramic umbrella blade 6, the drive motor 10 can be started, and the first lead screw 13 and the second lead screw 14 can be driven synchronously through the synchronous belt 11, so that the first end transmission cylinder 15 moves along it to the limit plate 19 and stops; then the motor reverses, so that the rotation stop groove 18 of the connecting cylinder 16 separates from the rotation stop block 17 of the adjacent transmission cylinder 15, triggering the movement of the next layer of transmission cylinder 15, thus realizing layer-by-layer driving. On the other hand, the rotating rod 26 of the wiring assembly can be rotated and adjusted according to the cable angle requirements, and locked to the fixing rod 31 by the fixing ring 30.

[0065] The modular ceramic insulator proposed in this invention, through the inclusion of a mounting base, a first insulating porcelain column, a second insulating porcelain column, a terminal block, an adjusting shaft, and ceramic sheds, enables rapid assembly of the ceramic insulator. Furthermore, the automatic adjustment of the ceramic sheds is achieved through the use of adjusting sliders and adjusting cylinders. Compared to existing ceramic insulators, the ceramic insulator of this invention has a simpler assembly structure and eliminates the inefficiency of manual adjustment, achieving precise adjustment of the ceramic sheds and rapid assembly of the ceramic insulator. This improves its adaptability to high-altitude operations, as well as its overall operational stability and connection reliability.

[0066] Furthermore, this invention provides that each adjusting cylinder includes a transmission cylinder and a connecting cylinder sleeved on the transmission cylinder. The transmission cylinder is threaded onto a first lead screw, a second lead screw, or an adjacent transmission cylinder, and one end of the transmission cylinder is provided with several helical stop blocks that can be threadedly connected to the adjacent connecting cylinder. The connecting cylinder is configured to separate from the helical stop blocks on the adjacent transmission cylinder after the drive motor rotates in the reverse direction, thereby driving the adjacent transmission cylinder to move. This allows for more efficient and precise adjustment of the ceramic sheds, ensuring the stability of the ceramic sheds in high-altitude, high-vibration environments, and significantly reducing the labor costs and maintenance frequency of the assembled ceramic insulator of this invention.

[0067] While one or more embodiments of the present invention have been described above, those skilled in the art will recognize that the present invention can be implemented in any other form without departing from its spirit and scope. Therefore, the embodiments described above are illustrative and not restrictive, and many modifications and substitutions will be apparent to those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An assembled ceramic insulator, characterized in that, Includes mounting base (1), insulation mechanism and terminal block (2); The mounting base (1) has a first insulating ceramic post (3); The insulation mechanism includes a plurality of adjusting shafts (4) evenly distributed around the first insulating ceramic column (3) and detachably connected at one end to the mounting base (1). Each adjusting shaft (4) is fitted with a plurality of adjusting sliders (5) that can slide along it along its extension direction. Each adjusting slider (5) is provided with two adjusting components that can be driven synchronously. Each adjusting component includes three adjusting cylinders arranged radially along the first insulating ceramic column (3) and fitted at one end, and a ceramic umbrella blade (6) connected to the end adjusting cylinder. The three adjusting cylinders are configured to be driven layer by layer to drive the ceramic umbrella blade (6) to move radially. The terminal block (2) has a first end face (201) that can be sealed at one end of the first insulating ceramic post (3) and connected to the other end of each of the adjusting shafts (4) and a second end face (202) that is opposite to the first end face (201), and the second end face (202) is provided with a wiring assembly for connecting external cables.

2. The assembled ceramic insulator according to claim 1, characterized in that, The mounting base (1) is provided with a first mounting hole (102) for threaded connection with one end of each of the adjustment shafts (4), and a plurality of first limiting blocks (7) for limiting each of the adjustment shafts (4) are evenly distributed in the first mounting hole (102) along its circumference.

3. The assembled ceramic insulator according to claim 2, characterized in that, Each of the adjusting shafts (4) is provided with a first threaded connector (8) that can be threadedly connected to the first assembly hole (102) at one end, and a number of second limiting blocks (9) adapted to the structure of a number of first limiting blocks (7) are provided on the periphery of the first threaded connector (8).

4. The assembled ceramic insulator according to claim 3, characterized in that, The first insulating ceramic column (3) is provided with a limiting groove (301) for limiting each of the adjusting sliders (5) on each of the adjusting shafts (4).

5. The assembled ceramic insulator according to claim 4, characterized in that, Each of the adjustment shafts (4) is provided with a number of spline grooves (401) for connecting with each of the adjustment sliders (5) thereon.

6. The assembled ceramic insulator according to claim 5, characterized in that, Each of the adjustment sliders (5) has a limiting protrusion (501), a spline interface (502), and a self-driving assembly for driving it to slide along the corresponding adjustment shaft (4). The limiting protrusion (501) is used to connect with the limiting groove (301), and the spline interface (502) is used to connect with a plurality of the spline grooves (401).

7. The assembled ceramic insulator according to claim 6, characterized in that, Each of the adjusting sliders (5) is provided with a drive motor (10), a timing belt (11), a transmission shaft (12), a first lead screw (13), and a second lead screw (14). The transmission shaft (12) is connected to the transmission end of the drive motor (10) through the timing belt (11). The first lead screw (13) and the second lead screw (14) are respectively connected to the drive motor (10) and the transmission shaft (12) to synchronously drive the head end adjusting cylinder sleeved on it.

8. The assembled ceramic insulator according to claim 7, characterized in that, Each of the adjusting cylinders includes a transmission cylinder (15) and a connecting cylinder (16) sleeved on the transmission cylinder (15). The transmission cylinder (15) is threaded onto the first lead screw (13), the second lead screw (14), or an adjacent transmission cylinder (15), and one end of the transmission cylinder (15) is provided with a plurality of rotation stop blocks (17) that can be threadedly connected to the adjacent connecting cylinder (16). The connecting cylinder (16) is configured to separate from the plurality of rotation stop blocks (17) on the adjacent transmission cylinder (15) after the drive motor (10) rotates in the opposite direction, so as to drive the adjacent transmission cylinder (15) to move.

9. The assembled ceramic insulator according to claim 8, characterized in that, The rotation directions of several of the aforementioned rotation stop blocks (17) on two adjacent transmission cylinders (15) are opposite.

10. The assembled ceramic insulator according to claim 9, characterized in that, A second insulating ceramic post (23) is provided on the first end face (201), and a second threaded connector (24) is provided at one end of the second insulating ceramic post (23). The second threaded connector (24) can be connected to the first insulating ceramic post (3).

Citation Information

Patent Citations

  • A ceramic insulator convenient for winding and installation for high voltage power transmission

    CN114883068B