Modularized ring main unit convenient to maintain

Through the modularly designed slide rail docking parts and installation frame, the problem of pulling out the slide plate in the ring net cabinet affecting the wiring of electrical equipment is solved, and efficient installation and maintenance of electrical equipment is achieved.

CN223167871UActive Publication Date: 2025-07-29XINGMA INTELLIGENT ELECTRIC CO LTD
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Patent Information

Application Number
CN202421431557.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-07-29
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

During the maintenance of existing ring grid cabinets, the direct extraction of the inner skateboard will affect the wiring between electrical equipment, which is insufficient in practicality.

Method used

A modular and convenient maintenance ring cabinet is designed. By setting up slide rail docking parts, installation frames and installation plates, the tilt adjustment and disassembly of the installation plates are realized, which is convenient for the installation, wiring and maintenance of electrical equipment.

Benefits of technology

It improves the installation and maintenance efficiency of electrical equipment, simplifies the line connection between electrical equipment, and improves the convenience of maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223167871U_ABST
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Abstract

The utility model discloses a modularized ring main unit convenient to maintain, which comprises a cabinet body, a slide rail butt joint piece, a slide groove, a mounting frame, a slide rail, a mounting plate, a support rod and a lapping rod, and is characterized in that the mounting frame plate and a cabinet door are detached from the cabinet body, and the mounting frame and the mounting plate are integrally taken out from the inside of the cabinet body; the arrangement of the positioning holes facilitates the positioning and installation of each electrical device in the ring main unit, and the arrangement of the sliding rails and the sliding rail butt joint pieces facilitates the disassembly and assembly of the installation frame, the installation plate and the cabinet body. One end of the mounting plate is rotationally connected with the front frame through a rotating shaft, the other end of the mounting plate is in lap joint with the lap joint rod, a lap joint groove is formed in the lap joint rod, a supporting rod is rotationally arranged in a supporting rod groove of the mounting plate, and the supporting rod is inserted into the lap joint groove by rotating the supporting rod so that the mounting plate can be obliquely arranged. Therefore, a worker can conveniently maintain and replace the electrical equipment on the mounting plate, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ring main units, and particularly relates to a modular ring main unit which is convenient for maintenance. Background Art

[0002] A ring main unit is a set of power transmission and distribution electrical equipment installed in a metal or non-metal insulating cabinet body or made into a assembled sectionalized ring main power supply unit. The circuits in the existing ring main units on the market are complex, and the space inside the ring main unit is limited, which is inconvenient for maintenance. The ring main unit itself does not have an adjustable lighting structure, which affects the maintenance.

[0003] The existing Chinese patent with the authorized announcement number of CN218850165U discloses a power construction ring main unit which is convenient for maintenance, including a cabinet body. A connecting hinge is arranged on one side of the cabinet body, and a cabinet door is connected to the other side of the connecting hinge. A fixed base is arranged inside the cabinet body, and a universal rotating rod is connected to one side of the fixed base. A storage lamp bracket is arranged on one side of the universal rotating rod, and a lighting lamp is arranged at the front end of the storage lamp bracket. An outer slide rail is welded and fixed on the inner wall of the cabinet body, and a chute is opened inside the outer slide rail. An inner slide plate is arranged inside the chute. When maintaining the components inside the cabinet body, the inner slide plate can be pulled out from the chute inside the outer slide rail, which is convenient for maintaining the components or circuits on the inner slide plate. First wire limiters and second wire limiters are arranged on both sides of the partition vertical rod. The first wire limiter and the second wire limiter can limit wires of different thicknesses, so that the wires inside the cabinet body can be distributed more clearly, which is convenient for maintenance.

[0004] The deficiencies of the above existing technical solutions are as follows: directly pulling out the inner slide plate for maintenance will affect the wiring between the electrical equipment on the inner slide plate, and there is still room for improvement in practicality. Content of the Utility Model

[0005] The purpose of the utility model is to provide a modular ring main unit which is convenient for maintenance, so as to solve the technical problem that directly pulling out the inner slide plate for maintenance in the existing technology will affect the wiring between the electrical equipment on the inner slide plate, and there is still room for improvement in practicality.

[0006] The technical problem to be solved by the utility model can be realized through the following technical solutions:

[0007] A modular ring main unit which is convenient for maintenance, including:

[0008] A cabinet body, on which an installation frame plate is arranged, a cabinet door is hinged on the installation frame plate, and slide rail docking parts are symmetrically arranged and fixedly connected on the inner wall of the cabinet body;

[0009] The vertically arranged mounting frame includes a front frame and a rear frame. The front frame is arranged on the same side as the cabinet door. A connecting frame is fixedly connected between the front frame and the rear frame. A slide rail corresponding to the position of the slide rail docking part is fixedly connected to the connecting frame. The slide rail is slidably arranged in the slide rail docking part. Mounting plates are evenly distributed along the height direction of the mounting frame. Hitching rods corresponding to the mounting plates are evenly distributed on the rear frame. One end of the mounting plate is provided with a rotating shaft, and one end of the mounting plate is rotatably connected to the front frame through the rotating shaft. The other end of the mounting plate is lapped on the hitching rod.

[0010] As a further solution of the utility model: a chute is opened on the slide rail docking part, and the slide rail is slidably arranged in the chute.

[0011] As a further solution of the utility model: the slide rail is a long slide rail with a T-shaped cross-section, and the chute is a long chute with a T-shaped cross-section.

[0012] As a further solution of the utility model: connecting plates are fixedly connected to both sides of the front frame. Rotating shafts are fixedly connected to both side end faces of the mounting plate. Bearings are embedded in the connecting plates. The outer ring of the bearing is fixedly connected to the connecting plate, and the rotating shaft is sleeved and fixedly connected to the inner ring of the bearing.

[0013] As a further solution of the utility model: positioning holes are evenly distributed and opened on the mounting plate. A lapping end is opened on the mounting plate. The mounting plate is lapped on the hitching rod through the lapping end. A lapping groove is opened on the hitching rod. A strut groove is penetrated and opened on the mounting plate. A strut is arranged in the strut groove. One end of the strut is rotatably connected to the inner wall of the strut groove.

[0014] As a further solution of the utility model: frame plate connecting plates are fixedly connected to the cabinet body near the four corners. A first screwing hole is penetrated and opened on the frame plate connecting plate. A second screwing hole corresponding to the first screwing hole in position is penetrated and opened on the mounting frame plate. Bolts are arranged on both the frame plate connecting plate and the mounting frame plate. The bolts are threadedly connected to the first screwing hole and the second screwing hole.

[0015] The beneficial effects of the utility model:

[0016] 1. When the electrical equipment needs to be maintained and replaced in the utility model, one end of the mounting plate is rotatably connected to the front frame through the rotating shaft, and the other end of the mounting plate is lapped on the hitching rod. A lapping groove is opened on the hitching rod. A strut is rotatably arranged in the strut groove of the mounting plate. By rotating the strut and inserting the strut into the lapping groove, the mounting plate can be inclined, so as to facilitate the staff to maintain and replace the electrical equipment on the mounting plate and improve the work efficiency;

[0017] 2. When electrical equipment needs to be installed in the present utility model, the installation frame plate and the cabinet door are removed from the cabinet body, and the installation frame and the installation plate are taken out integrally from the inside of the cabinet body, so as to facilitate the installation of electrical equipment and the wiring and circuit connection between electrical equipment. The positioning holes are provided to facilitate the positioning installation of each electrical equipment in the ring main unit. The slide rails and the slide rail docking parts are provided to facilitate the disassembly and assembly between the installation frame and the installation plate and the cabinet body, which is convenient for the staff to use and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present utility model will be further described below with reference to the drawings.

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2 is a three-dimensional structural schematic diagram of the present utility model after removing the cabinet door;

[0021] Figure 3 is a three-dimensional structural schematic diagram of the present utility model after removing the cabinet door and the installation frame plate;

[0022] Figure 4 is the present utility model Figure 3 the enlarged structural schematic diagram at A in;

[0023] Figure 5 is the connection relationship structural schematic diagram among the installation frame, the connecting plate, the slide rail and the installation plate of the present utility model;

[0024] Figure 6 is the connection relationship structural schematic diagram among the installation plate, the rotating shaft and the support rod of the present utility model

[0025] Figure 7 is the structural schematic diagram of the crossbar of the present utility model.

[0026] In the figure: 1, cabinet body; 2, installation frame plate; 3, cabinet door; 4, slide rail docking part; 5, frame plate connecting plate; 6, chute; 7, installation frame; 71, front frame; 72, rear frame; 73, connecting frame; 8, connecting plate; 9, slide rail; 10, installation plate; 11, rotating shaft; 12, lapping end; 13, support rod groove; 14, support rod; 15, positioning hole; 16, crossbar; 17, lapping groove; 18, bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] 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 of 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.

[0028] As Figures 1 - 7 shown, a modular and maintenance-friendly ring main unit includes:

[0029] A cabinet body 1, on which an installation frame plate 2 is provided, a cabinet door 3 is hinged on the installation frame plate 2, and slide rail docking parts 4 are symmetrically arranged and fixedly connected on the inner wall of the cabinet body 1;

[0030] A vertically arranged installation frame 7, including a front frame 71 and a rear frame 72. The front frame 71 is arranged on the same side as the cabinet door 3. A connecting frame 73 is fixedly connected between the front frame 71 and the rear frame 72. A slide rail 9 corresponding to the position of the slide rail docking part 4 is fixedly connected on the connecting frame 73. The slide rail 9 is slidably arranged in the slide rail docking part 4. Installation plates 10 are evenly distributed along the height direction of the installation frame 7. Hitching rods 16 corresponding to the installation plates 10 are evenly distributed on the rear frame 72. One end of the installation plate 10 is provided with a rotating shaft 11, and one end of the installation plate 10 is rotatably connected to the front frame 71 through the rotating shaft 11. The other end of the installation plate 10 is lapped on the hitching rod 16.

[0031] In some specific implementation schemes, a chute 6 is opened on the slide rail docking part 4, the slide rail 9 is slidably arranged in the chute 6, the slide rail 9 is a long slide rail with a T-shaped cross section, and the chute 6 is a long chute with a T-shaped cross section.

[0032] Connecting plates 8 are fixedly connected to both sides of the front frame 71. Rotating shafts 11 are fixedly connected to both side end faces of the installation plate 10. Bearings are embedded in the connecting plates 8. The outer ring of the bearing is fixedly connected to the connecting plate 8, and the rotating shaft 11 is sleeved and fixedly connected to the inner ring of the bearing.

[0033] Positioning holes 15 are evenly distributed and opened on the installation plate 10. By setting the positioning holes 15, it is convenient for the positioning and installation of various electrical equipment in the ring main unit. A lapping end 12 is opened on the installation plate 10. The installation plate 10 is lapped on the hitching rod 16 through the lapping end 12. A lapping groove 17 is opened on the hitching rod 16. A strut groove 13 is penetrated and opened on the installation plate 10. A strut 14 is arranged in the strut groove 13. One end of the strut 14 is rotatably connected to the inner wall of the strut groove 13.

[0034] Frame plate connecting plates 5 are fixedly connected to the cabinet body 1 near the four corners. A first screw hole is penetrated through the frame plate connecting plate 5, and a second screw hole corresponding to the first screw hole in position is penetrated through the mounting frame plate 2. Bolts 18 are arranged on both the frame plate connecting plate 5 and the mounting frame plate 2, and the bolts 18 are in threaded connection with the first screw hole and the second screw hole.

[0035] To facilitate the understanding of this solution embodiment by those skilled in the art, the working principle of this solution will be briefly described in combination with a specific application scenario:

[0036] When an electrical device needs to be installed, the mounting frame plate 2 and the cabinet door 3 are removed from the cabinet body 1, and the mounting frame 7 and the mounting plate 10 are taken out integrally from the inside of the cabinet body 1, so as to facilitate the installation of the electrical device and the wiring and circuit connection between electrical devices. The positioning holes 15 are provided to facilitate the positioning installation of each electrical device in the ring main unit. The slide rails 9 and the slide rail docking parts 4 are provided to facilitate the disassembly and assembly between the mounting frame 7 and the mounting plate 10 and the cabinet body 1, which is convenient for the staff to use and improves work efficiency. When the electrical device needs to be maintained and replaced, one end of the mounting plate 10 is rotatably connected to the front frame 71 through a rotating shaft 11, and the other end of the mounting plate 10 is lapped on the lapping rod 16. A lapping groove 17 is opened on the lapping rod 16. A support rod 14 is rotatably arranged in the support rod groove 13 of the mounting plate 10. By rotating the support rod 14 and inserting the support rod 14 into the lapping groove 17, the mounting plate 10 can be inclined, so as to facilitate the staff to maintain and replace the electrical device on the mounting plate 10 and improve work efficiency.

[0037] The above has described several embodiments of the present invention in detail, but the embodiments of the present invention are not limited thereto and cannot be considered as used to limit the implementation scope of the present invention. All equal changes and improvements made according to the scope of the present invention application shall still fall within the scope covered by the patent of the present invention.

Claims

1. A modular and maintenance-friendly ring main unit, characterized in that Including: A cabinet body (1) is provided with a mounting frame plate (2) thereon. A cabinet door (3) is hinged on the mounting frame plate (2). Slide rail docking members (4) are symmetrically arranged and fixedly connected to the inner wall of the cabinet body (1). A vertically arranged mounting frame (7), including a front frame (71) and a rear frame (72). The front frame (71) is arranged on the same side as the cabinet door (3). A connecting frame (73) is fixedly connected between the front frame (71) and the rear frame (72). A slide rail (9) corresponding to the position of the slide rail docking member (4) is fixedly connected to the connecting frame (73). The slide rail (9) is slidably arranged in the slide rail docking member (4). Mounting plates (10) are evenly distributed along the height direction of the mounting frame (7). Hooking rods (16) corresponding to the mounting plates (10) are evenly distributed on the rear frame (72). One end of the mounting plate (10) is provided with a rotating shaft (11). One end of the mounting plate (10) is rotatably connected to the front frame (71) through the rotating shaft (11). The other end of the mounting plate (10) is lapped on the hooking rod (16).

2. The modular ring main switch cabinet convenient for maintenance according to claim 1, characterized in that, A chute (6) is formed on the slide rail docking member (4). The slide rail (9) is slidably arranged in the chute (6).

3. The modular ring main switch cabinet convenient for maintenance according to claim 2, wherein, The slide rail (9) is a long slide rail with a T-shaped cross-section. The chute (6) is a long chute with a T-shaped cross-section.

4. A modular and easily maintainable ring main unit according to claim 1, characterized in that, Connecting plates (8) are fixedly connected to both sides of the front frame (71). Rotating shafts (11) are fixedly connected to both side end faces of the mounting plate (10). Bearings are embedded in the connecting plates (8). The outer rings of the bearings are fixedly connected to the connecting plates (8). The rotating shafts (11) are sleeved and fixedly connected to the inner rings of the bearings.

5. A modular and easily maintainable ring main unit according to claim 4, characterized in that, Positioning holes (15) are evenly distributed and formed on the mounting plate (10). A lapping end (12) is formed on the mounting plate (10). The mounting plate (10) is lapped on the hooking rod (16) through the lapping end (12). A lapping groove (17) is formed on the hooking rod (16). A strut groove (13) is formed through the mounting plate (10). A strut (14) is arranged in the strut groove (13). One end of the strut (14) is rotatably connected to the inner wall of the strut groove (13).

6. A modular and easily maintainable ring main unit according to claim 1, characterized in that, Frame plate connecting plates (5) are fixedly connected to the cabinet body (1) near the four corners. A first screw hole is formed through the frame plate connecting plate (5). A second screw hole corresponding to the first screw hole in position is formed through the mounting frame plate (2). Bolts (18) are arranged on both the frame plate connecting plate (5) and the mounting frame plate (2). The bolts (18) are threadedly connected to the first screw hole and the second screw hole.

Citation Information

Patent Citations

  • A maintenance-friendly power construction ring main unit

    CN218850165U