Insulating sleeve of high-voltage switch cabinet

Abstract

The utility model discloses a high-voltage switch cabinet insulating sleeve, which comprises a sleeve body, a mounting plate is arranged in the middle of the sleeve body, a busbar positioning plate is rotatably mounted in the sleeve body, an annular rail is arranged on the outer wall of the busbar positioning plate along the circumferential direction, an annular groove matched with the sliding rail is arranged in the sleeve body, and the busbar positioning plate is rotatably mounted in the sleeve body. The utility model relates to the technical field of insulating bushings, through the linkage design of the busbar positioning plate and the adjusting plate, the flexible positioning of the busbar in the mounting port is realized, the mounting requirements of bushings of different sizes are met, the universality and adaptability of the insulating bushings are improved, the circular track and the circular groove are matched for use, and the insulating bushings are more convenient to mount and dismount. Stable rotation of the busbar positioning plate is ensured, and angle adjustment can be conveniently carried out according to actual installation requirements of the busbar; positioning bolts in the positioning assemblies are used in cooperation with sliding plates, it is ensured that the adjusting plates are stably fixed in the adjusting process, meanwhile, the adjusting process is simplified, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switch cabinets, and particularly relates to an insulating bushing for a high-voltage switch cabinet. Background Art

[0002] In the power system, the high-voltage switch cabinet is a key device for controlling and protecting power lines and electrical equipment. Among them, the insulating bushing, as an important component connecting the busbar and the external line in the high-voltage switch cabinet, its performance directly affects the safe and stable operation of the entire power system. The structure of the traditional insulating bushing is fixed, and its adaptability to busbars of different sizes is poor. During the actual installation process, it is necessary to select a suitable insulating bushing according to the model and size of the busbar, which affects the installation efficiency. Therefore, designing a high-voltage switch cabinet insulating bushing that can adapt to busbars of different sizes is of great significance for improving the safety and reliability of the power system. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides an insulating bushing for a high-voltage switch cabinet, which solves the problem of low adaptability of the existing insulating bushing.

[0004] To achieve the above purposes, the utility model is realized through the following technical solutions: An insulating bushing for a high-voltage switch cabinet includes a bushing body. An installation plate is provided at the middle position of the bushing body. A busbar positioning plate is rotatably installed inside the bushing body. A ring rail is provided on the outer wall of the busbar positioning plate along the circumferential direction. A ring groove matching with the slide rail is provided inside the bushing body. An installation opening is formed on the busbar positioning plate. A pair of adjusting plates for adjusting the size of the installation opening are slidably arranged inside the installation opening. A pair of sliding cavities are provided on both sides of the installation opening. A sliding plate fixedly connected with the adjusting plate is slidably arranged inside the sliding cavity. A positioning component for fixing the sliding plate is provided on the busbar positioning plate. The installation plate is provided with an adjusting component connected with the busbar positioning plate.

[0005] Preferably, the positioning component includes a pair of screw holes provided on the busbar positioning plate. A positioning bolt is screwed inside the screw hole. The lower end of the positioning bolt abuts against the upper wall of the sliding plate.

[0006] Preferably, the adjusting component includes a through hole provided on one side of the installation plate. A plug rod is slidably arranged inside the through hole. A plurality of insertion holes for inserting the plug rod are provided on the side wall of the ring rail along the circumferential direction. One end of the plug rod is inserted into the insertion hole, and the other end extends out of the through hole and is fixedly installed with a pull plate. An enlarged hole is provided on the side of the through hole close to the pull plate. A spring sleeved on the outer side of the plug rod is provided inside the enlarged hole. One end of the spring is connected with the pull plate, and the other end is connected with the enlarged hole.

[0007] Preferably, a skirt is provided on the outer side of the bushing body.

[0008] Preferably, a shielding ring is provided inside the sleeve body and on both sides of the mounting plate.

[0009] Advantages

[0010] The utility model provides a high-voltage switchgear insulating sleeve, which has the following advantages:

[0011] Through the linkage design of the busbar positioning plate and the adjusting plate, the flexible positioning of the busbar in the mounting opening is realized, meeting the installation requirements of busbars of different sizes, improving the versatility and adaptability of the insulating sleeve. The combined use of the ring track and the ring groove ensures the stable rotation of the busbar positioning plate, facilitating angle adjustment according to the actual installation requirements of the busbar;

[0012] The combined use of the positioning bolt and the sliding plate in the positioning component ensures the stable fixation of the adjusting plate during the adjustment process, while simplifying the adjustment process and facilitating operation;

[0013] The combined use of the insertion rod and the insertion hole in the adjusting component, as well as the elastic support of the spring, realizes the rapid fixation and release of the busbar positioning plate in the sleeve body, simplifies the angle adjustment operation, is applicable to occasions where the angle position of the busbar needs to be adjusted, and improves the flexibility and operation efficiency of the equipment. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the utility model.

[0015] Figure 2 is a schematic top cross-sectional structural diagram of the utility model.

[0016] In the figure: 1, sleeve body; 2, mounting plate; 3, busbar positioning plate; 4, ring track; 5, ring groove; 6, mounting opening; 7, adjusting plate; 8, sliding cavity; 9, sliding plate; 10, positioning bolt; 11, insertion rod; 12, insertion hole; 13, pulling plate; 14, enlarged hole; 15, spring; 16, skirt. Detailed Embodiments

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figure 1-2, the present utility model provides a technical solution: a high-voltage switchgear insulating bushing, including a bushing body 1. An installation plate 2 is provided at the middle position of the bushing body 1. A busbar positioning plate 3 is rotatably installed inside the bushing body 1. A ring rail 4 is provided on the outer wall of the busbar positioning plate 3 along the circumferential direction. A ring groove 5 matching the slide rail is provided inside the bushing body 1. An installation opening 6 is formed on the busbar positioning plate 3. A pair of adjusting plates 7 for adjusting the size of the installation opening 6 are slidably arranged inside the installation opening 6. A pair of sliding cavities 8 are provided on both sides of the installation opening 6. A sliding plate 9 fixedly connected to the adjusting plate 7 is slidably arranged inside the sliding cavity 8. A positioning component for fixing the sliding plate 9 is provided on the busbar positioning plate 3. The installation plate 2 is provided with an adjusting component connected to the busbar positioning plate 3.

[0019] By adopting the above technical solution, the bushing body is of an integral structure, and an installation plate 2 is arranged at the middle position to fix the bushing body 1 on the cabinet. The busbar positioning plate 3 can rotate inside the bushing body 1, with a ring rail 4, which cooperates with the ring groove 5 on the bushing body 1 to ensure the stable rotation of the busbar positioning plate 3, facilitating the adjustment of the installation angle. An adjustable adjusting plate 7 is arranged inside the installation opening 6 and is adjusted by the sliding plate 9 inside the sliding cavity 8 to change the size of the installation opening 6 to adapt to busbars of different sizes.

[0020] In this embodiment, it is further set that the positioning component includes a pair of screw holes arranged on the busbar positioning plate 3. A positioning bolt 10 is screwed into the screw holes, and the lower end of the positioning bolt 10 abuts against the upper wall of the sliding plate 9.

[0021] By adopting the above technical solution, the positioning bolt 10 is screwed into the screw holes on the busbar positioning plate 3 to abut against the sliding plate 9 and fix the position of the adjusting plate 7.

[0022] In this embodiment, it is further set that the adjusting component includes a through hole arranged on one side of the installation plate 2. A plug rod 11 is slidably arranged inside the through hole. A plurality of insertion holes 12 for inserting the plug rod 11 are arranged on the side wall of the ring rail 4 along the circumferential direction. One end of the plug rod 11 is inserted into the insertion hole 12, and the other end extends out of the through hole and is fixedly installed with a pull plate 13. An enlarged hole 14 is arranged on the side of the through hole close to the pull plate 13. A spring 15 sleeved on the outer side of the plug rod 11 is arranged inside the enlarged hole 14. One end of the spring 15 is connected to the pull plate 13, and the other end is connected to the enlarged hole 14.

[0023] By adopting the above technical solution, the plug rod 11 can slide inside the through hole of the installation plate 2 and fix the angle of the busbar positioning plate 3 by inserting into the insertion hole 12 on the ring rail 4 of the busbar positioning plate 3. The combination of the pull plate 13 and the spring 15 enables the plug rod 11 to be easily pulled out and reset, realizing the rapid adjustment of the angle.

[0024] In this embodiment, it is further set that a skirt 16 is provided on the outer side of the bushing body 1.

[0025] In this embodiment, it is further arranged that a shielding ring is provided inside the sleeve body 1 and on both sides of the mounting plate 2.

[0026] Those skilled in the art shall connect the components in this case in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process.

[0027] Embodiment: When in use, according to the size of the busbar to be installed, determine the size of the installation opening 6. According to the busbar size, slide the adjusting plate 7 to a suitable position and fix it with the positioning bolt 10 to ensure that the size of the installation opening 6 is adapted to the busbar. According to the installation requirements, adjust the angle of the busbar positioning plate 3. Pull the pulling plate 13 outward, so that it drives the insertion rod 11 to move outward and separate from the insertion hole 12. At this time, the busbar positioning plate 3 can be rotated. After rotating it to a suitable angle, release the pulling plate 13, and the spring 15 drives the insertion rod 11 to reset and re-insert into the corresponding insertion hole 12 to fix the busbar positioning plate 3. After the adjustment is completed, install the sleeve body 1 on the high-voltage switch cabinet body and pass the busbar through the installation opening 6 to complete the fixation.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage switchgear insulating bushing, comprising a bushing body (1), and an installation plate (2) is arranged at the middle position of the bushing body (1), characterized in that, A busbar positioning plate (3) is rotatably installed inside the sleeve body (1). A ring track (4) is provided on the outer wall of the busbar positioning plate (3) along the circumferential direction. A ring groove (5) matching the ring track (4) is provided inside the sleeve body (1). An installation opening (6) is formed on the busbar positioning plate (3). A pair of adjusting plates (7) for adjusting the size of the installation opening (6) are slidably arranged inside the installation opening (6). A pair of sliding cavities (8) are provided on both sides of the installation opening (6). A sliding plate (9) fixedly connected to the adjusting plate (7) is slidably arranged inside the sliding cavity (8). A positioning component for fixing the sliding plate (9) is provided on the busbar positioning plate (3). The mounting plate (2) is provided with an adjusting component connected to the busbar positioning plate (3).

2. The insulating bushing of a high-voltage switchgear according to claim 1, characterized in that, The positioning component includes a pair of screw holes provided on the busbar positioning plate (3). A positioning bolt (10) is screwed inside the screw hole. The lower end of the positioning bolt (10) abuts against the upper wall of the sliding plate (9).

3. The insulating bushing of a high-voltage switchgear according to claim 2, characterized in that, The adjusting component includes a through hole provided on one side of the mounting plate (2). A plug rod (11) is slidably arranged inside the through hole. A plurality of insertion holes (12) for inserting the plug rod (11) are provided on the side wall of the ring track (4) along the circumferential direction. One end of the plug rod (11) is inserted into the insertion hole (12), and the other end extends out of the through hole and is fixedly installed with a pulling plate (13). A widened hole (14) is provided on the side of the through hole close to the pulling plate (13). A spring (15) sleeved on the outer side of the plug rod (11) is arranged inside the widened hole (14). One end of the spring (15) is connected to the pulling plate (13), and the other end is connected to the widened hole (14).

4. A high-voltage switchgear insulating bushing according to claim 1, characterized in that, A skirt (16) is provided on the outer side of the sleeve body (1).

5. A high-voltage switchgear insulating bushing according to claim 2, characterized in that, A shielding ring is provided inside the sleeve body (1) and on both sides of the mounting plate (2).

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