Combined power ring main unit

Abstract

The utility model discloses a combined electric power ring main unit which comprises a wire inlet cabinet, the top end of the wire inlet cabinet is provided with a plurality of stacked switch cabinet single bodies, the top ends of the switch cabinet single bodies are provided with an instrument cabinet in a clamping mode, and each switch cabinet single body comprises a combined cabinet body and a cabinet door hinged to the front face of the combined cabinet body. The top end of the combined type cabinet body is provided with a step assembling groove, four corners of the inner wall of the step assembling groove are provided with positioning holes, the bottom end of the combined type cabinet body is fixedly provided with a bottom clamping table, and four corners of the bottom end of the bottom clamping table are fixedly provided with positioning insertion columns. The main cabinet body is formed by splicing a plurality of combined cabinets, the combined cabinet bodies can be independently disassembled and transferred in the transportation, assembly and carrying processes, assembly is simple, convenient and efficient, installation is more labor-saving and convenient, after installation, the structural strength is high, stability and reliability are achieved, looseness is not prone to occurring, and the assembly and transportation difficulty of the ring main unit can be remarkably reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ring network cabinets, in particular to a combined power ring network cabinet. Background Art

[0002] A ring main unit is an electrical device that is a group of high-voltage switchgear installed in a metal or non-metallic insulating cabinet or made into an assembled interval ring main unit. It is widely used in distribution stations and box-type substations in urban residential areas, high-rise buildings, large public buildings, factories and enterprises and other load centers due to its simple structure, small size, low price, and the ability to improve power supply parameters and performance as well as power supply safety. Common power ring main units are mainly integrated three-dimensional cabinets, which are equipped with instrument display areas, observation areas and cabinets from top to bottom, and the electrical switchgear is installed inside the cabinet. The above common types of power ring main units have the following shortcomings in actual applications:

[0003] Since traditional vertical integrated ring main unit is relatively large and heavy, it is difficult to transport or install. Utility Model Content

[0004] The purpose of the utility model is to provide a combined power ring network cabinet to solve the problem of difficulty in installation and transportation of the existing power ring network cabinets mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined power ring network cabinet, including an incoming line cabinet, a plurality of stacked switch cabinet units are installed on the top of the incoming line cabinet, an instrument cabinet is snap-fitted on the top of the switch cabinet unit, the switch cabinet unit includes a combined cabinet body and a cabinet door hinged on the front of the combined cabinet body, a stepped assembly groove is provided on the top of the combined cabinet body, and positioning holes are provided on the four corners of the inner wall of the stepped assembly groove, a bottom card platform is fixedly provided on the bottom end of the combined cabinet body, and positioning columns are fixedly provided on the four corners of the bottom end of the bottom card platform, a moving wheel is fixedly installed on one side of the connection between the bottom card platform and the positioning columns, and locking components for assembling adjacent combined cabinet bodies are fixedly installed on the four corners on the top of the inner wall of the combined cabinet.

[0006] Preferably, insulating frames are fixedly provided on both sides of the bottom of the inner wall of the combined cabinet, and electrical installation frames are fixedly provided on the two insulating frames by bolts, and the surface of the electrical installation frames is provided with evenly distributed locking holes; it is easy to install and use, and convenient for later maintenance.

[0007] Preferably, lead holes are provided in the middle of the stepped assembly slot and the middle of the modular cabinet body, and the bottom card platform matches the stepped assembly slot, so as to facilitate the wiring of the ring network cabinet.

[0008] Preferably, the locking assembly includes an installation base rod and an anti-dropout rod rotatably arranged at the bottom end of the installation base rod, an anti-dropout slot is provided at the bottom end of the positioning column, the positioning column matches the positioning hole, and the anti-dropout rod matches the anti-dropout slot; the clamping is stable and reliable, and it is easy to assemble and disassemble.

[0009] Preferably, disassembly and assembly handles are fixedly provided on both sides of the combined cabinet body, and a mechanical lock is fixedly installed on the cabinet door; the cabinet is easy to carry and use, and is safe and reliable.

[0010] Preferably, an instrument panel is fixedly installed on the front of the instrument cabinet to facilitate staff to check the corresponding ring network cabinet instruments.

[0011] Preferably, anti-slip pads are fixedly provided on the four corners of the bottom end of the incoming line cabinet, a waterproof inlet and outlet wire barrel is fixedly connected to the back of the incoming line cabinet, and carrying handles are fixedly provided on both sides of the incoming line cabinet; the ring network cabinet is stably placed after assembly, and the inlet and outlet wiring of the cabinet is realized through the waterproof inlet and outlet wire barrel, and the waterproof sealing effect is remarkable.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The power ring network cabinet adopts a modular design. The main cabinet is assembled from multiple modular cabinets. During transportation and assembly, the modular cabinet can be disassembled and transported separately. The assembly is simple and efficient, and the installation is more labor-saving and convenient. After installation, the structure has high strength, is stable and reliable, and is not easy to loosen, which can significantly reduce the difficulty of assembly and transportation of the ring network cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the power ring network cabinet of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the switch cabinet unit of the utility model;

[0016] Figure 3 It is a combined front cross-sectional view of a switch cabinet unit of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the locking assembly of the utility model;

[0018] Figure 5 It is an enlarged view of part A of the utility model.

[0019] In the figure: 1. Incoming cabinet; 2. Instrument cabinet; 3. Switch cabinet unit; 31. Modular cabinet; 32. Cabinet door; 33. Step assembly slot; 34. Lead wire hole; 35. Positioning hole; 36. Bottom card platform; 37. Moving wheel; 38. Positioning plug post; 39. Anti-drop card slot; 310. Disassembly and assembly handle; 311. Insulation frame; 312. Locking hole; 313. Electrical installation frame; 314. Mechanical lock; 315. Anti-drop card rod; 316. Installation bottom rod; 4. Anti-slip pad; 5. Waterproof inlet and outlet wire barrel; 6. Carrying handle; 7. Instrument panel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-5 The utility model provides a combined power ring network cabinet, including an incoming line cabinet 1, a plurality of stacked switch cabinet monomers 3 are installed on the top of the incoming line cabinet 1, an instrument cabinet 2 is clamped on the top of the switch cabinet monomer 3, the switch cabinet monomer 3 includes a combined cabinet body 31 and a cabinet door 32 hinged on the front of the combined cabinet body 31, a stepped assembly groove 33 is opened on the top of the combined cabinet body 31, and the four corners of the inner wall of the stepped assembly groove 33 are all opened with positioning holes 35, and a bottom card platform 36 is fixedly arranged at the bottom end of the combined cabinet body 31, and the bottom card The four corners at the bottom of the platform 36 are fixedly provided with positioning posts 38, and one side of the connection between the bottom card platform 36 and the positioning posts 38 is fixedly installed with a moving wheel 37, and the four corners at the top of the inner wall of the modular cabinet 31 are fixedly installed with locking components for assembling adjacent modular cabinets 31, and the front of the instrument cabinet 2 is fixedly installed with an instrument panel 7, and the four corners at the bottom of the incoming cabinet 1 are fixedly provided with anti-slip pads 4, and the back of the incoming cabinet 1 is fixedly connected with a waterproof inlet and outlet barrel 5, and both sides of the incoming cabinet 1 are fixedly provided with carrying handles 6;

[0022] When in use, when assembling the ring network cabinet, first hold the carrying handle 6, lift the incoming line cabinet 1, place the incoming line cabinet 1 steadily, then set the modular cabinet body 31 on the top of the incoming line cabinet 1, lock and fix it, and when assembling two adjacent modular cabinet bodies 31, make the bottom card platform 36 face the stepped assembly groove 33 of the fixed modular cabinet body 31, after being inserted, the positioning pin 38 will be inserted into the positioning hole 35, and then rotate the locking assembly to make the locking assembly clamp and fix the positioning pin 38 from the inside of the modular cabinet body 31. At this time, the adjacent modular cabinet bodies 31 are assembled, and the connection method between the modular cabinet body 31 and the incoming line cabinet 1 and the connection method between the modular cabinet body 31 and the instrument cabinet 2 are both fixed by the above-mentioned connection structure, which is convenient for disassembly and assembly. The modular cabinet body 31 can be carried separately, and the split modular ring network cabinet is labor-saving, efficient and more convenient to assemble.

[0023] See also Figure 1, Figure 2 and Figure 3 Furthermore, insulating frames 311 are fixedly provided on both sides of the bottom of the inner wall of the modular cabinet 31, and electrical mounting frames 313 are fixedly provided on the two insulating frames 311 by bolts, and locking holes 312 are evenly distributed on the surface of the electrical mounting frames 313, and lead holes 34 are provided in the middle of the step assembly groove 33 and the middle of the modular cabinet 31, and the bottom card platform 36 matches the step assembly groove 33;

[0024] When in use, after the ring main unit is assembled, the corresponding switch electrical equipment can be directly mounted on the electrical mounting frame 313 by bolts, and the wiring between two adjacent combined cabinets 31 can be directly connected through the lead through-holes 34 for easy maintenance.

[0025] See also Figure 2 , Figure 3 , Figure 4 and Figure 5 Further, the locking assembly includes a mounting bottom rod 316 and an anti-dropping rod 315 rotatably arranged at the bottom end of the mounting bottom rod 316, an anti-dropping slot 39 is provided at the bottom end of the positioning column 38, the positioning column 38 matches the positioning hole 35, the anti-dropping rod 315 matches the anti-dropping slot 39, disassembly handles 310 are fixedly arranged on both sides of the modular cabinet 31, and a mechanical lock 314 is fixedly installed on the cabinet door 32;

[0026] When in use, the locking assembly is arranged one by one opposite to the positioning hole 35 and is arranged on one side of the positioning hole 35. When the adjacent modular cabinets 31 are plugged in and assembled, the anti-dropping rod 315 is rotated from the bottom of the modular cabinet 31 until the anti-dropping rod 315 is stuck in the anti-dropping slot 39. At this time, the adjacent modular cabinets 31 cannot be loosened directly. The length of the positioning column 38 is slightly smaller than the height of the moving wheel 37. When the modular cabinet 31 is placed on the ground, the moving wheel 37 is in direct contact with the ground. The positioning column 38 does not affect the movement of the modular cabinet 31, which is convenient for movement and transportation. During assembly, the moving wheel 37 will be stuck in the step assembly slot 33.

[0027] When the embodiment of the present application is in use: when disassembling the ring main unit, the anti-detachment rod 315 can be rotated first to disengage the anti-detachment rod 315 from the anti-detachment slot 39, and then the disassembly handle 310 is grasped and lifted up to complete the disassembly of the ring main unit, which is convenient for transportation.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A combined power ring network cabinet, comprising an incoming line cabinet (1), characterized in that: A plurality of stacked switch cabinet units (3) are installed at the top of the incoming line cabinet (1), and an instrument cabinet (2) is snap-fitted at the top of the switch cabinet unit (3). The switch cabinet unit (3) comprises a modular cabinet body (31) and a cabinet door (32) hinged on the front of the modular cabinet body (31). A stepped assembly groove (33) is provided at the top of the modular cabinet body (31), and positioning holes (35) are provided at the four corners of the inner wall of the stepped assembly groove (33). A bottom card platform (36) is fixedly provided at the bottom end of the modular cabinet body (31), and positioning plugs (38) are fixedly provided at the four corners of the bottom end of the bottom card platform (36). A moving wheel (37) is fixedly provided on one side of the connection between the bottom card platform (36) and the positioning plugs (38), and locking components for assembling adjacent modular cabinet bodies (31) are fixedly provided at the four corners of the top of the inner wall of the modular cabinet body (31).

2. The combined power ring network cabinet according to claim 1, characterized in that: Insulating frames (311) are fixedly arranged on both sides of the bottom of the inner wall of the combined cabinet (31), and electrical installation frames (313) are fixedly arranged on the two insulating frames (311) by bolts, and the surface of the electrical installation frames (313) is provided with evenly distributed locking holes (312).

3. The combined power ring network cabinet according to claim 1, characterized in that: The middle of the step assembly groove (33) and the middle of the combined cabinet (31) are both provided with lead wire through holes (34), and the bottom card platform (36) matches the step assembly groove (33).

4. The combined power ring network cabinet according to claim 1, characterized in that: The locking assembly comprises a mounting base rod (316) and an anti-dropout lever (315) rotatably arranged at the bottom end of the mounting base rod (316); an anti-dropout slot (39) is provided at the bottom end of the positioning column (38); the positioning column (38) matches the positioning hole (35); and the anti-dropout lever (315) matches the anti-dropout slot (39).

5. The combined power ring network cabinet according to claim 1, characterized in that: Both sides of the combined cabinet (31) are fixedly provided with disassembly and assembly handles (310), and a mechanical lock (314) is fixedly installed on the cabinet door (32).

6. The combined power ring network cabinet according to claim 1, characterized in that: An instrument panel (7) is fixedly mounted on the front of the instrument cabinet (2).

7. The combined power ring network cabinet according to claim 1, characterized in that: The four corners at the bottom of the incoming line cabinet (1) are fixedly provided with anti-slip pads (4), the back of the incoming line cabinet (1) is fixedly connected with a waterproof incoming and outgoing line barrel (5), and both sides of the incoming line cabinet (1) are fixedly provided with carrying handles (6).

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