Bus insulation cover for transformer
By designing a busbar insulation cover with an adaptive clamping structure, the problem of adaptability to different sizes of busbars was solved, improving installation reliability and efficiency, and reducing inventory and procurement costs.
Patent Information
- Application Number
- CN202520045828.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing transformer busbar insulation covers cannot accommodate busbars of different sizes, resulting in the need to stock multiple specifications, increasing inventory and procurement costs, and easily leading to installation mismatch problems.
A transformer busbar insulation cover was designed, which adopts a structure of clamping plates, connecting plates, springs and limiting rings, limiting rings, limiting blocks, limiting rings, limiting rings, limiting rings, limiting rings, and limiting rings in conjunction with springs to achieve adaptive clamping of different busbar sizes. The clamping plate spacing is adjusted by the extension and contraction of the springs to ensure a firm clamping.
It enables adaptive clamping of busbars of different sizes, improving installation reliability and efficiency, reducing inventory and procurement costs, and avoiding delays caused by installation mismatch.
Smart Images
Figure CN223743397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of insulation technology especially, relates to a busbar insulation cover for transformer. BACKGROUND
[0002] The transformer is widely used in the fields of power transmission and distribution, industry, transportation, electronic equipment etc., and the benefits include improving energy utilization, realizing voltage adaptation, guaranteeing the stability of power device and promoting industrial production and technology development, and the busbar insulation cover is needed because it can guarantee electrical safety, protect the busbar itself, meet safety standards and improve the stability and reliability of the power device.
[0003] The busbar insulation cover for transformer is generally composed of an insulation main body, a sealing structure and an auxiliary function structure, and the busbar insulation cover for transformer forms a barrier to guarantee electrical safety through the insulation main body, is fixed and sealed by buckles, bolts and sealing rubber strips, and auxiliary functions such as heat dissipation fins, viewing windows and warning signs play their roles according to the corresponding principles, and they work together to maintain the stable operation of the busbar and the power device.
[0004] The existing busbar insulation cover for transformer cannot adapt to different sizes during installation, and because it cannot adapt to busbars of multiple sizes, an insulation cover of one specification can only be used for a busbar of a specific size, which leads to the need to reserve insulation covers of multiple specifications to meet the busbar requirements of different transformers, and in the power distribution room of a large factory, if there are transformers of different types and produced by different manufacturers, the sizes of the busbars are different, so a large number of insulation covers of different specifications need to be purchased, which increases the inventory management cost and the procurement cost, and the installation and maintenance work may be delayed due to the mismatch of specifications, therefore, the busbar insulation cover for transformer is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a busbar insulation cover for transformer, which aims to improve the problem that different sizes of busbars cannot be adapted in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A busbar insulation cover for transformer, comprising a main body, a plurality of limiting blocks are fixedly connected inside the main body, a sliding groove is formed in the inside of the limiting block, two clamping plates are rotatably connected inside the sliding groove, a connecting plate is fixedly connected to the outside of the clamping plate, a spring is fixedly connected inside the connecting plate, a limiting ring is fixedly connected to the bottom of the spring, the limiting ring is fixedly connected to the top of the limiting block, and a protection assembly is arranged inside the main body.
[0008] As a further description of the above technical scheme:
[0009] The protection assembly comprises an outer layer, the outer side of the outer layer is fixedly connected to the inside of the main body, and the top of the outer layer is fixedly connected with a middle layer;
[0010] As a further description of the above technical solution:
[0011] The inside of the clamping plate is fixedly connected with a connecting rod, and the outer side of the connecting rod is rotatably connected to the inside of the limiting block;
[0012] As a further description of the above technical solution:
[0013] The inside of the clamping plate is rotatably connected with a connecting block, and the outer side of the spring is rotatably connected to the inside of the connecting plate;
[0014] As a further description of the above technical solution:
[0015] The outer layer is polyvinyl chloride, and the middle layer is polypropylene;
[0016] As a further description of the above technical solution:
[0017] The outer side of the connecting block is rotatably connected to the inside of the sliding groove, and the outer side of the connecting rod is rotatably connected to the inside of the sliding groove.
[0018] The beneficial effects of the present application are:
[0019] In the utility model, through the clamping plate cooperates with the connecting plate, the connecting plate cooperates with the spring, the spring cooperates with the limiting ring, the limiting ring cooperates with the limiting block, thereby realizing the effect of installing and fixing the main body, and due to the existence of the spring, the clamping plate can be self-adapting to the size of the busbar in a certain range. Whether the diameter of the busbar has a certain deviation or in the case that the busbar is heated and expanded or shrunk by cold, the spring can adjust the spacing of the clamping plate through the expansion and contraction of itself, ensures the firm clamping of the busbar, and guarantees the reliability of installation.
[0020] In summary, the present application has the advantages of quick release and installation. ACCURACY OF DRAWINGS
[0021] Figure 1 A three-dimensional schematic view of the busbar insulation cover for the transformer is provided for the utility model;
[0022] Figure 2 A structure schematic view of the clamping plate of the busbar insulation cover for the transformer is provided for the utility model;
[0023] Figure 3 A structure schematic view of the main body of the busbar insulation cover for the transformer is provided for the utility model;
[0024] Figure 4 As Figure 3 Enlarged view at A in the middle;
[0025] Figure 5 A structure diagram of an outer layer of a busbar insulation cover for a transformer is provided in the utility model. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.
[0027] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0028] Embodiment one
[0029] With reference to Figure 1 , Figure 4 The utility model provides an embodiment: a busbar insulation cover for a transformer, including main body 1, main body 1 is the core frame of whole device, plays the basic role of bearing and fixed other components, provides stable mounting position for each component, guarantees the integrity and stability of whole structure, makes it can normally play the function, is applied to the insulation protection scene of transformer busbar.
[0030] A plurality of limiting blocks 2 are fixedly connected inside the main body 1, which have a key limiting effect inside the main body 1, can limit the movement range of the components connected thereto, avoid excessive displacement or disengagement of the related components from the established position, thereby ensuring the accuracy and reliability of the entire structure during operation, and helping the subsequent components to cooperatively complete the fixing and protection function of the busbar.
[0031] A sliding groove 8 is formed in the inside of the limiting block 2, which provides a guide and constraint path for the movement of other components, so that the related components can rotate or move in a predetermined direction, ensuring the orderliness of the movement of the entire mechanical structure, and thus enabling the device to accurately perform the corresponding actions during installation and disassembly, ensuring smooth operation of the busbar clamping and other operations.
[0032] Two clamping plates 4 are rotatably connected inside the sliding groove 8, which are important components that directly contact and clamp the busbar, and when the installation operation is performed, the clamping plates 4 will produce corresponding actions due to contact with the busbar, and through reasonable rotation and cooperation with other components, the clamping plates 4 can firmly clamp the busbar, effectively preventing the busbar from loosening or shifting during normal use, ensuring that the busbar is in a stable installation state and ensuring the safety of power transmission.
[0033] A connecting block 3 is rotatably connected inside the clamping plate 4, the two ends of the connecting block 3 are provided with rounded corners, and the outer side of the connecting block 3 is rotatably connected inside the sliding groove 8. The connecting block 3 plays a role in connection and transmission, and the rounded corner design makes the rotation process smoother, reducing the frictional resistance between the connecting block 3 and the sliding groove 8, and enabling smoother force and movement transmission, assisting the clamping plate 4 in flexible rotation according to the extrusion of the busbar, and ensuring the coherence and coordination of the entire structure.
[0034] A connecting rod 7 is fixedly connected inside the clamping plate 4, the outer side of the connecting rod 7 is rotatably connected inside the sliding groove 8, and the outer side of the connecting rod 7 is rotatably connected inside the limiting block 2. The connecting rod 7 further enhances the connection stability between the clamping plate 4 and the limiting block 2, and plays a role in auxiliary support and guidance during the rotation of the clamping plate 4, making the rotation of the clamping plate 4 more stable and standardized, and ensuring that the clamping plate 4 can accurately make corresponding actions according to external force conditions, maintaining a stable clamping state of the busbar.
[0035] A connecting plate 5 is fixedly connected to the outer side of the clamping plate 4, which serves as an intermediate component connecting the clamping plate 4 and the spring 6, and can effectively transmit the elastic force of the spring 6 to the clamping plate 4, ensuring that the clamping plate 4 can continuously exert appropriate clamping force on the busbar under the action of the spring 6, enabling the entire structure to stably fix the busbar under different working conditions, and improving the reliability and durability of the device in fixing the busbar.
[0036] The inside of the connecting plate 5 is fixedly connected with a spring 6, the bottom of the spring 6 is fixedly connected with a limiting ring 9, the spring 6 is a key element for providing elastic force, when the clamping plate 4 is pressed to the both sides by the busbar, the spring 6 generates elastic force due to compression, which promotes the clamping plate 4 to firmly clamp the busbar, plays a core role in the installation and disassembly process, can realize quick installation, and can loosen the busbar by overcoming the elastic force of the spring 6 through appropriate external force when disassembly is needed, greatly facilitates operation and improves work efficiency.
[0037] The bottom of the limiting ring 9 is fixedly connected to the top of the limiting block 2, the limiting ring 9 mainly plays a limiting role for the spring 6, the limiting ring 9 can prevent the spring 6 from over-displacement or disengagement from the intended position during extension and contraction, ensure that the spring 6 always works within the appropriate range, guarantee the stability and reliability of the entire structure, so that the elastic force of the spring 6 can stably act on the clamping plate 4, maintain good clamping effect on the busbar.
[0038] The inside of the main body 1 is provided with a protection assembly, which is designed to provide reliable insulation protection for the busbar, avoid electrical contact between the busbar and the outside world, ensure the safe operation of the power device, prevent harm to equipment and personnel due to accidental electric shock, short circuit and other situations, and further improve the functionality and practicality of the entire device in the transformer busbar protection aspect.
[0039] Embodiment two
[0040] Referring to Figure 2 , Figure 3 , Figure 5 , the protection assembly includes an outer layer 10, the outer layer 10 is made of polyvinyl chloride, the outer side of the outer layer 10 is fixedly connected to the inside of the main body 1, the outer layer 10 made of polyvinyl chloride has good insulation performance, can effectively block the current, prevent the current of the busbar from being conducted to the outside world, avoid electric shock accidents caused by accidental contact of personnel, and also can block the contact of conductive objects in the outside world with the busbar to cause electrical faults such as short circuit, and create a safe insulation environment for the busbar, ensuring the normal operation of the transformer busbar from the perspective of electrical safety.
[0041] The top of the outer layer 10 is fixedly connected with a middle layer 11, the middle layer 11 is made of polypropylene, the middle layer 11 made of polypropylene has good strength and heat resistance, on the one hand, it can enhance the structural strength of the protection assembly as a whole, so that it can better resist physical impact and pressure from the outside world, avoid affecting the insulation effect due to damage by external force, on the other hand, its heat resistance can ensure that the protection assembly still maintains stable performance under the condition of heat generated by the operation of the transformer busbar, without deformation, damage and other situations caused by high temperature, further ensuring that the protection assembly can reliably provide insulation protection for the busbar for a long time.
[0042] Working steps
[0043] When the staff needs to install the main body 1 to the designated position, the main body 1 can be turned over, and then the main body 1 is installed at the place where it needs to be installed, at this time, the two clamping plates 4 will contact the busbar, so that the busbar is pressed to both sides, and the outer side of the clamping plate 4 is connected with the connecting plate 5, and the inside of the connecting plate 5 is connected with the spring 6, the spring 6 can provide the elastic force for the connecting plate 5, so that the two clamping plates 4 firmly clamp the busbar, so that the quick installation or disassembly of the main body 1 can be realized.
[0044] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A busbar insulation cover for a transformer comprising a main body (1), characterized in that: The inside of the main body (1) is fixedly connected with a plurality of limiting blocks (2), the inside of the limiting block (2) is provided with a sliding groove (8), the inside of the sliding groove (8) is rotatably connected with two clamping plates (4), the outside of the clamping plate (4) is fixedly connected with a connecting plate (5), the inside of the connecting plate (5) is fixedly connected with a spring (6), the bottom of the spring (6) is fixedly connected with a limiting ring (9), the bottom of the limiting ring (9) is fixedly connected with the top of the limiting block (2), and the inside of the main body (1) is provided with a protection assembly.
2. The bus bar insulating cover for a transformer according to claim 1, characterized in that: The protection assembly comprises an outer layer (10), and the outer side of the outer layer (10) is fixedly connected in the inside of the main body (1), and the top of the outer layer (10) is fixedly connected with a middle layer (11).
3. The bus bar insulating cover for a transformer according to claim 1, characterized in that: The inside of the clamping plate (4) is fixedly connected with a connecting rod (7), and the outside of the connecting rod (7) is rotatably connected in the inside of the limiting block (2).
4. The bus bar insulating cover for a transformer according to claim 3, characterized in that: The inside of the clamping plate (4) is rotatably connected with a connecting block (3), and the outside of the connecting rod (7) is rotatably connected in the inside of the sliding groove (8).
5. The bus bar insulating cover for a transformer according to claim 2, characterized by: The outer layer (10) is polyvinyl chloride, and the middle layer (11) is polypropylene.
6. The bus bar insulating cover for a transformer according to claim 4, characterized by: The outside of the connecting block (3) is rotatably connected in the inside of the sliding groove (8), and both ends of the connecting block (3) are provided with rounded corners.