A modular unit splicing device of a standardized power distribution cabinet

Abstract

A kind of modular unit splicing device of standardization switch board, cavity is equipped in modular support splicing plate, opening is equipped in the upper end of modular support splicing plate along the length direction of modular support splicing plate, two inner walls of modular support splicing plate are equipped with first long slot and second long slot respectively, the depth of first long slot is less than the depth of second long slot, third long slot is equipped in the lower end of first long slot on modular support splicing plate, inverted U-shaped groove is equipped in the lower end of modular support splicing plate, inverted U-shaped groove is located between first long slot and second long slot, inverted U-shaped frame is equipped on the outer wall of modular support splicing plate close to second long slot by long block.The utility model modular support splicing plate is equipped with cavity inside, reduce overall weight, improve the utilization rate of material simultaneously, opening set along length direction in upper end is convenient for with other module or component and carry out quick splicing, enhance the flexibility and expandability of device.

Description

Technical Field

[0001] This utility model belongs to the field of modular power distribution cabinet technology, specifically a modular unit splicing device for a standardized power distribution cabinet. Background Technology

[0002] A distribution cabinet is the final stage equipment in a power distribution system, used to rationally distribute the load to various circuits. It contains various functional modules composed of electrical components. To facilitate transportation, installation, and assembly, these functional modules are constantly being integrated, so that the distribution cabinet can be assembled simply by installing the integrated functional modules of each part.

[0003] In existing technologies, firstly, integrated distribution cabinets are heavy and have low material utilization, which not only increases manufacturing costs but also places additional burdens on transportation and installation. Secondly, due to the lack of flexibility in the integrated structure, distribution cabinets are difficult to customize and expand according to actual needs, limiting their applicability.

[0004] Furthermore, traditional distribution cabinets suffer from poor internal space planning, limited installation space for components and cables, and a lack of effective classification and management measures, resulting in low space utilization, poor tidiness, and low maintenance efficiency. At the same time, the protection level and safety of these distribution cabinets are also inadequate, especially in harsh environments where external impurities or moisture can easily enter, affecting the normal operation of the equipment and shortening its lifespan.

[0005] To address this issue, a modular unit splicing device for standardized power distribution cabinets is provided. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, this utility model provides a modular unit splicing device for a standardized power distribution cabinet, so as to at least partially solve the above-mentioned technical problems.

[0007] The technical solution adopted by this utility model is as follows:

[0008] This utility model proposes a modular unit splicing device for a standardized power distribution cabinet, comprising:

[0009] The modular support splicing plate includes fastening bolts, baffles, and an inverted U-shaped stiffening plate inside the modular support splicing plate. The modular support splicing plate has a cavity inside, and an opening at the upper end along the length of the modular support splicing plate. The two inner walls of the modular support splicing plate are respectively provided with a first long groove and a second long groove. The depth of the first long groove is less than the depth of the second long groove. The modular support splicing plate has a third long groove at the lower end of the first long groove, and an inverted U-shaped groove at the lower end of the modular support splicing plate.

[0010] The inverted U-shaped groove is located between the first long groove and the second long groove. The modular bracket splicing plate has an inverted U-shaped frame on the outer wall near the second long groove through long blocks. The upper end of the modular bracket splicing plate has a first strip on both sides of the opening, both sides of the bottom of the inner wall of the inverted U-shaped groove, and both sides of the bottom of the inner wall of the inverted U-shaped frame.

[0011] As a further embodiment of this utility model: the two sides of the inverted U-shaped stiffening plate cooperate with the two inner walls of the modular bracket splicing plate and can slide up and down along the two inner walls of the modular bracket splicing plate.

[0012] As a further embodiment of this utility model: the upper end of the inverted U-shaped stiffening plate is provided with a second body, and the fastening bolt passes through the inverted U-shaped groove and its top end is rotatably connected to the inverted U-shaped stiffening plate.

[0013] As a further embodiment of this utility model: the baffle and the inverted U-shaped groove are fixedly fitted together, the baffle is provided with a through hole, and the central axis of the through hole coincides with the central axis of the fastening bolt.

[0014] As a further improvement of this utility model, the upper ends of the first strip and the modular bracket splicing plate are fixed by welding on both sides of the opening, both sides of the bottom of the inner wall of the inverted U-shaped groove, and both sides of the bottom of the inner wall of the inverted U-shaped frame.

[0015] As a further improvement of this utility model: the modular bracket splicing plate has a threaded hole at the top of the inverted U-shaped groove that mates with the fastening bolt.

[0016] As a further embodiment of this utility model, it also includes a busbar body and a pad strip. The bottom end of the busbar body is fixed inside the modular bracket splicing plate, and one end of the pad strip is located inside the inverted U-shaped groove or inverted U-shaped frame, while the other end is in contact with the ground.

[0017] Implementing the embodiments of this utility model will have the following beneficial effects:

[0018] In this embodiment, the modular support panel has an internal cavity, reducing overall weight and improving material utilization. The opening along the length of the upper end facilitates quick assembly with other modules or components, enhancing the device's flexibility and scalability. Modularization simplifies and speeds up the assembly and disassembly of the distribution cabinet, reducing installation costs and maintenance complexity. Furthermore, modularity allows for customization and expansion based on actual needs, improving the distribution cabinet's applicability and flexibility.

[0019] The depth difference between the first and second elongated grooves, as well as the design of the third elongated groove in this embodiment, provides suitable installation space for components or cables of different sizes, increasing the compatibility and practicality of the device and making full use of the space inside the distribution cabinet, thus improving space utilization. At the same time, the grooves of different depths also facilitate the classification and management of components or cables, improving the neatness and maintenance efficiency of the distribution cabinet.

[0020] In this embodiment, the two sides of the inverted U-shaped stiffening plate mate with the two inner walls of the modular bracket splicing plate and can slide up and down along the inner walls. This allows the stiffening plate to be height adjusted according to different installation requirements. This sliding adjustment ensures the supporting effect of the stiffening plate at different positions, enhancing the overall stability and load-bearing capacity of the distribution cabinet. Simultaneously, the sliding mechanism facilitates the disassembly and replacement of the stiffening plate during maintenance. The fastening bolts pass through the inverted U-shaped groove and rotate to connect with the inverted U-shaped stiffening plate. This connection method is not only simple and reliable but also allows for quick adjustments during installation or disassembly.

[0021] In this embodiment, the fixed fit between the baffle and the inverted U-shaped groove effectively prevents external impurities or moisture from entering the distribution cabinet, improving the cabinet's protection level and safety. This allows the distribution cabinet to maintain good operating conditions even in harsh environments, extending the equipment's service life. Simultaneously, the fixed fit of the baffle also facilitates cleaning and inspection of the distribution cabinet's interior during maintenance.

[0022] In this embodiment, the first strip is fixedly connected to the upper end of the modular support splicing plate, the inverted U-shaped groove, and the bottom end of the inner wall of the inverted U-shaped frame by welding, thereby improving the strength and stability of the structure. The welding method ensures a firm connection between the first strip and the modular support splicing plate, enhancing the overall load-bearing capacity and seismic performance of the distribution cabinet. Simultaneously, the first strip also facilitates support and fixation of the distribution cabinet's interior during maintenance.

[0023] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1This is a first structural schematic diagram of the modular unit splicing device for standardized power distribution cabinets according to this utility model.

[0026] Figure 2 This is a second structural schematic diagram of the modular unit splicing device for standardized power distribution cabinets according to this utility model.

[0027] Figure 3 This is a diagram showing the use of the modular unit splicing device for standardized power distribution cabinets according to this utility model.

[0028] As shown in the figure: 1. Modular bracket splicing plate, 2. Fastening bolt, 3. Baffle, 4. U-shaped stiffening plate, 5. Opening, 6. First long groove, 7. Second long groove, 8. Third long groove, 9. Inverted U-shaped groove, 10. Inverted U-shaped frame, 11. First strip body, 12. Second strip body, 13. Through hole, 14. Busbar body, 15. Pad strip.

[0029] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof. Detailed Implementation

[0030] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0031] It is important to note that the terms "first," "second," etc., are used only to distinguish between descriptive and positional descriptions, and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified with "first," etc., may explicitly or implicitly include one or more of that feature; similarly, when the quantity of certain features is not limited by words such as "two" or "three," it should be noted that such features also explicitly or implicitly include one or more features.

[0032] In the embodiments of this utility model, unless otherwise explicitly specified and limited, terms such as "installation," "connection," and "fixation" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection, a direct connection, a welding connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the accompanying drawings and specific circumstances.

[0033] In the description of the embodiments of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0034] like Figures 1 to 3 As shown, a modular unit splicing device for a standardized power distribution cabinet includes: a modular support splicing plate 1, fastening bolts 2, baffles 3, and an inverted U-shaped stiffening plate 4 disposed inside the modular support splicing plate. The modular support splicing plate 1 has a cavity inside. An opening 5 is provided at the upper end of the modular support splicing plate 1 along the length direction of the modular support splicing plate 1. The two inner walls of the modular support splicing plate 1 are respectively provided with a first long groove 6 and a second long groove 7. The depth of the first long groove 6 is less than the depth of the second long groove 7. A third long groove 8 is provided at the lower end of the first long groove 6 on the modular support splicing plate 1. An inverted U-shaped groove 9 is provided at the lower end of the modular support splicing plate 1.

[0035] The inverted U-shaped groove 9 is located between the first long groove 6 and the second long groove 7. The modular bracket splicing plate 1 has an inverted U-shaped frame 10 on the outer wall near the second long groove 7 via long blocks. The upper end of the modular bracket splicing plate 1 has a first strip 11 on both sides of the opening 5, both sides of the bottom of the inner wall of the inverted U-shaped groove 9, and both sides of the bottom of the inner wall of the inverted U-shaped frame 10.

[0036] In the specific application of this utility model embodiment, the modular bracket splicing plate 1 serves as the basic component of the entire splicing device. Its internal cavity not only reduces the overall weight but also provides necessary space for cable routing, heat dissipation channel auxiliary facilities, and enhances the integration and modularity of the power distribution cabinet. The opening 5 facilitates quick docking and fixing between modular units, while also providing convenience for subsequent maintenance and repair. Through the opening 5, the fastening bolts 2 connectors can be easily installed or removed, achieving a tight connection between modules. The first elongated groove 6 and the second elongated groove 7 allow grooves of different depths to accommodate components or parts of different sizes, increasing the compatibility and flexibility of the splicing device. For example, the first elongated groove 6 can be used to install smaller-sized fasteners or connectors, while the second elongated groove 7 can accommodate larger-sized components.

[0037] The third elongated groove 8 is located below the first elongated groove 6, further enhancing the structural strength of the modular bracket splicing plate 1. It can also serve as an additional fixing point or connection point, improving the stability and reliability of the entire splicing device. The inverted U-shaped groove 9 is located between the first elongated groove 6 and the second elongated groove 7. Its shape helps to enhance the load-bearing capacity of the splicing plate in the vertical direction. It can also serve as a channel for cable or pipe auxiliary facilities, improving the neatness and space utilization inside the distribution cabinet.

[0038] The inverted U-shaped frame 10 is fixed to the outer wall of the modular support splicing plate 1 by long strips. To increase the horizontal stability of the splicing device, the inverted U-shaped frame 10 can also serve as an additional support point or fixing point for installing other auxiliary equipment or components. The first strip 11 is located on both sides of the opening 5 at the upper end of the modular support splicing plate 1, on both sides of the bottom of the inner wall of the inverted U-shaped groove 9, and on both sides of the bottom of the inner wall of the inverted U-shaped frame 10 to prevent deformation or damage during stress. At the same time, the first strip 11 can also serve as a reference point or reference surface for installing or fixing other components.

[0039] Modular units with different functions are connected together through opening 5 to ensure the correct position and angle between each module. The modules are then fixed together using fastening bolts 2 to form a stable overall structure. The inverted U-shaped groove 9 and inverted U-shaped frame 10 increase the stability of the splicing device in both vertical and horizontal directions. Simultaneously, the first strip 11 further enhances the structural strength of key components. Furthermore, the inverted U-shaped groove 9 serves as a channel for cables or pipes, maintaining the neatness and space utilization inside the distribution cabinet.

[0040] In one possible implementation, the two sides of the inverted U-shaped stiffening plate 4 cooperate with the two inner walls of the modular bracket splicing plate 1 and can slide up and down along the two inner walls of the modular bracket splicing plate 1. The upper end of the inverted U-shaped stiffening plate 4 is provided with a second strip 12, and the fastening bolt 2 passes through the inverted U-shaped groove 9 and its top end is rotatably connected to the inverted U-shaped stiffening plate 4.

[0041] In the specific application of this utility model embodiment, the two sides of the inverted U-shaped stiffening plate 4 are tightly fitted with the two inner walls of the modular bracket splicing plate 1, and have a structure that can slide up and down along the inner walls. This not only enhances the structural strength of the splicing device but also provides a high degree of flexibility. The sliding fit allows the inverted U-shaped stiffening plate 4 to be adjusted in position as needed to adapt to modular units of different sizes or to meet specific installation requirements. Through the sliding fit, the inverted U-shaped stiffening plate 4 can move freely inside the modular bracket splicing plate 1, thereby ensuring that each module can fit tightly during the splicing process, reducing structural gaps, and improving overall stability and rigidity.

[0042] A second strip 12 is provided at the upper end of the inverted U-shaped stiffening plate 4. The second strip 12 not only enhances the structural strength of the inverted U-shaped stiffening plate 4, but also facilitates connection and fixation with other components or modules. The fastening bolt 2 passes through the inverted U-shaped groove 9 and is rotatably connected to the inverted U-shaped stiffening plate 4. The connection method not only simplifies the installation process, but also improves the reliability and flexibility of the connection. By rotating the fastening bolt 2, the position and tightness of the inverted U-shaped stiffening plate 4 can be easily adjusted to ensure a tight fit between the modules.

[0043] During the assembly process, the inverted U-shaped stiffening plate 4 is first adjusted to the appropriate position through a sliding fit. Then, the fastening bolt 2 is used to rotate and connect with the inverted U-shaped stiffening plate 4 through the inverted U-shaped groove 9. By rotating the fastening bolt 2, the inverted U-shaped stiffening plate 4 can be fixed and finely adjusted, ensuring the stability and rigidity of the entire assembly device.

[0044] Modular units with different functions are assembled according to requirements, ensuring the correct position and angle between each module. During this process, the sliding fit of the inverted U-shaped stiffening plate 4 allows for flexible adjustment based on module size and installation requirements. By sliding the inverted U-shaped stiffening plate 4, it is adjusted to a position where it fits tightly against the inner wall of the modular support splicing plate 1. The second body 12 can be used as a reference point to ensure precise positioning of the inverted U-shaped stiffening plate 4. Fastening bolts 2 are used to rotate and connect to the inverted U-shaped stiffening plate 4 through the inverted U-shaped groove 9. By rotating the fastening bolts 2, the inverted U-shaped stiffening plate 4 is fixed and fine-tuned, ensuring the stability and rigidity of the entire splicing device.

[0045] In one possible implementation, the baffle 3 and the inverted U-shaped groove 9 are fixedly fitted together. The baffle 3 is provided with a through hole 13. The central axis of the through hole 13 coincides with the central axis of the fastening bolt 2. The upper ends of the first strip 11 and the modular bracket splicing plate 1 are fixed by welding on both sides of the opening 5, both sides of the bottom end of the inner wall of the inverted U-shaped groove 9, and both sides of the bottom end of the inner wall of the inverted U-shaped frame 10.

[0046] In a specific application of this utility model embodiment, the baffle 3 is fixedly fitted with the inverted U-shaped groove 9. The baffle 3 not only plays a supporting and fixing role, but also prevents the modular units from misaligning or shaking during the splicing process. Through size matching and fixing methods, the tight fit between the baffle 3 and the inverted U-shaped groove 9 is ensured, thereby improving the rigidity and durability of the entire splicing device.

[0047] A through hole 13 is provided on the baffle 3, the central axis of which coincides with the central axis of the fastening bolt 2. The fastening bolt 2 can pass through the through hole 13 to firmly fix the baffle 3 to the modular support splicing plate 1. The existence of the through hole 13 allows the fastening bolt 2 to position and fix the baffle 3, thereby ensuring the structural integrity of the entire splicing device. The first strip 11 is fixed to both sides of the upper opening 5 of the modular support splicing plate 1, both sides of the bottom of the inner wall of the inverted U-shaped groove 9, and both sides of the bottom of the inner wall of the inverted U-shaped frame 10 by welding, ensuring a firm connection between the first strip 11 and the modular support splicing plate 1 components, improving the structural strength of the entire splicing device, and enhancing its impact and vibration resistance. Through welding, the first strip 11 becomes an important support structure in the entire splicing device, providing a stable installation foundation for the modular units.

[0048] The fastening bolt 2 is passed through the through hole 13 on the baffle 3 and tightened to fix the baffle 3. Since the central axis of the through hole 13 coincides with the central axis of the fastening bolt 2, it can be ensured that the fastening bolt 2 can be accurately positioned and fix the baffle 3. The first strip 11, which is fixed by welding, plays an important supporting and fixing role in the entire splicing device. It not only enhances the structural strength of the modular bracket splicing plate 1 component, but also provides a stable installation foundation, providing additional support and protection for the modular unit.

[0049] In one possible implementation, the modular bracket splicing plate 1 has a threaded hole at the top of the inverted U-shaped groove 9 that mates with the fastening bolt 2, and also includes a busbar body 14 and a pad 15. The bottom end of the busbar body 14 is fixed inside the modular bracket splicing plate 1, and one end of the pad 15 is located inside the inverted U-shaped groove 9 or the inverted U-shaped frame, while the other end is in contact with the ground.

[0050] In the specific application of this utility model embodiment, the threaded hole at the top of the inverted U-shaped groove 9 of the modular bracket splicing plate 1 improves installation efficiency and ensures that the fastening bolts 2 can firmly connect the various module units together. The threaded hole allows the fastening bolts 2 to be easily screwed in, and through the tight fit of the threads, a stable connection between the various module units is achieved. The connection method not only has high connection strength, but also can resist loosening caused by vibration or impact, thereby improving the stability and reliability of the entire power distribution cabinet.

[0051] In this device, the bottom end of the busbar body 14 is fixed inside the modular bracket splicing plate 1, which not only ensures the stability of the busbar body 14, but also prevents loosening or damage caused by external factors (such as vibration and impact). At the same time, the internal structure of the modular bracket splicing plate 1 provides good protection for the busbar body 14, preventing electrical faults caused by external interference.

[0052] One end of the pad strip 15 is located inside the inverted U-shaped groove 9 or the inverted U-shaped frame, while the other end contacts the ground. Through the elastic deformation of the pad strip 15, it absorbs the impact force generated by uneven ground or vibration, thereby protecting the distribution cabinet and its internal components from damage. In addition, the pad strip 15 also has a certain sound insulation and vibration damping effect, which can reduce the noise and vibration generated by the distribution cabinet during operation, improving the overall comfort and reliability of the distribution cabinet.

[0053] First, the modular units are assembled according to requirements. During the assembly process, the threaded holes on the modular bracket splicing plate 1 engage with the fastening bolts 2 to firmly connect the modular units together. This connection method is not only simple and efficient but also has high connection strength and stability. Next, the bottom end of the busbar body 14 is fixed inside the modular bracket splicing plate 1 to ensure the stability of the busbar body 14 and provide it with good protection.

[0054] Finally, install the pad strip 15 inside the inverted U-shaped groove 9 or the inverted U-shaped frame, ensuring that its other end is in close contact with the ground. The elastic deformation of the pad strip 15 can absorb the impact force caused by uneven ground or vibration, thereby protecting the distribution cabinet and its internal components from damage. During installation, the height and position of the pad strip 15 can also be adjusted according to actual needs to ensure the stability and levelness of the distribution cabinet.

[0055] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0057] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A modular unit splicing device for a standardized power distribution cabinet, characterized in that, include: Modular support splicing plate (1), fastening bolts (2), baffle (3) and inverted U-shaped stiffening plate (4) provided in the modular support splicing plate. The modular support splicing plate (1) has a cavity inside. The upper end of the modular support splicing plate (1) has an opening (5) along the length direction of the modular support splicing plate (1). The two inner walls of the modular support splicing plate (1) are respectively provided with a first long groove (6) and a second long groove (7). The depth of the first long groove (6) is less than the depth of the second long groove (7). The modular support splicing plate (1) has a third long groove (8) at the lower end of the first long groove (6). The lower end of the modular support splicing plate (1) is provided with an inverted U-shaped groove (9). The inverted U-shaped groove (9) is located between the first long groove (6) and the second long groove (7). The modular support splicing plate (1) has an inverted U-shaped frame (10) on the outer wall near the second long groove (7) by means of long strips. The upper end of the modular support splicing plate (1) has a first strip (11) on both sides of the opening (5), both sides of the bottom of the inner wall of the inverted U-shaped groove (9), and both sides of the bottom of the inner wall of the inverted U-shaped frame (10).

2. The modular unit splicing device for the standardized distribution cabinet according to claim 1, characterized in that, The two sides of the inverted U-shaped stiffening plate (4) and the two inner walls of the modular bracket splicing plate (1) are engaged and can slide up and down along the two inner walls of the modular bracket splicing plate (1).

3. The modular unit splicing device for the standardized distribution cabinet according to claim 1, characterized in that, The upper end of the inverted U-shaped stiffening plate (4) is provided with a second body (12), and the fastening bolt (2) passes through the inverted U-shaped groove (9) and its top end is rotatably connected to the inverted U-shaped stiffening plate (4).

4. The modular unit splicing device for the standardized distribution cabinet according to claim 1, characterized in that, The baffle (3) and the inverted U-shaped groove (9) are fixedly fitted together. The baffle (3) is provided with a through hole (13), and the central axis of the through hole (13) coincides with the central axis of the fastening bolt (2).

5. The modular unit splicing device for the standardized distribution cabinet according to claim 1, characterized in that, The first strip (11) and the upper ends of the modular bracket splicing plate (1) are fixed by welding on both sides of the opening (5), both sides of the bottom of the inner wall of the inverted U-shaped groove (9), and both sides of the bottom of the inner wall of the inverted U-shaped frame (10).

6. The modular unit splicing device for the standardized distribution cabinet according to claim 1, characterized in that, The modular bracket splicing plate (1) has a threaded hole at the top of the inverted U-shaped groove (9) that mates with the fastening bolt (2).

7. The modular unit splicing device for the standardized distribution cabinet according to claim 1, characterized in that, It also includes a busbar body (14) and a pad (15). The bottom end of the busbar body (14) is fixed inside the modular bracket splicing plate (1). One end of the pad (15) is located inside the inverted U-shaped groove (9) or the inverted U-shaped frame, and the other end is in contact with the ground.

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