35KV three-station integrated vacuum circuit breaker

Abstract

The utility model relates to a 35KV three-station integrated vacuum circuit breaker. The technical problem to be solved by the utility model is to provide a 35KV three-station integrated vacuum circuit breaker. According to the technical scheme, the vacuum circuit breaker comprises a vacuum circuit breaker frame, the vacuum circuit breaker frame comprises a frame bottom plate, frame side plates, a frame rear plate and a frame large bent plate, the frame bottom plate comprises a bottom plate body, and the front end and the rear end of the bottom plate body are vertically bent upwards to form a bottom plate front blocking part and a bottom plate rear blocking part respectively. The bottom plate rear blocking part is vertically bent outwards to form a rear blocking part positioning protrusion, and front blocking part positioning openings are formed in the bottom plate front blocking part at intervals. Compared with the prior art, the utility model has the advantages that the plug-in design is adopted among the parts, the complicated welding operation is omitted, the parts can be quickly positioned and tightly butted, the installation process is simplified, the manual operation time is reduced, the requirement of batch assembly is met, and the assembly efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to a 35KV three-station integrated vacuum circuit breaker. Background Art

[0002] The 35kV three-station integrated vacuum circuit breaker is a high-voltage switchgear for medium-voltage power distribution systems. It integrates three functions: circuit breaking, grounding, and isolation. It is mainly used to control, protect, and isolate power lines and equipment. The 35kV three-station integrated vacuum circuit breaker includes a vacuum interrupter, an operating mechanism, and a vacuum circuit breaker frame. The vacuum circuit breaker frame includes a frame bottom plate, frame side plates, frame rear plate, and frame large curved plate. The existing vacuum circuit breaker frame is connected by welding. Due to the large size of the frame, welding requires multiple people to operate and position it by hand, which is very cumbersome. In addition, the welded vacuum circuit breaker frame is extremely inconvenient during subsequent internal maintenance and inspection. Improvements and optimizations are being made to address this issue. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the present invention is to provide a 35KV three-position integrated vacuum circuit breaker.

[0004] The technical solution adopted by the utility model 35KV three-station integrated vacuum circuit breaker: includes a vacuum circuit breaker frame, the vacuum circuit breaker frame includes a frame bottom plate, a frame side plate, a frame rear plate and a frame large bent plate, characterized in that the frame bottom plate includes a bottom plate body, the front and rear ends of the bottom plate body are bent vertically upward to form a bottom plate front stop and a bottom plate rear stop respectively, the bottom plate rear stop is bent vertically outward to form a rear stop positioning protrusion, and a front stop positioning opening is provided on the bottom plate front stop at intervals, the frame large bent plate includes a bent plate rear portion, a bent plate top, a bent plate transition portion, a bent plate oblique portion, a bent plate main supporting portion, a bent plate front and a bent plate front fitting portion formed by bending in sequence, a bent plate front insertion groove for positioning the bottom plate front stop is formed between the bent plate front and the bent plate front fitting portion, and the lower end of the bent plate front fitting portion is bent vertically outward to form a bent plate front positioning protrusion docking with the front stop positioning opening;

[0005] The frame rear plate includes a rear plate main body, the upper end of the rear plate main body is bent vertically inward to form the upper part of the rear plate and the rear plate hanging part in sequence, the rear plate main body is provided with a rear plate positioning port corresponding to the positioning protrusion of the rear stop part, and the top of the bent plate is provided with a bent plate hanging interface for hanging the rear plate hanging part.

[0006] The bottom plate rear stop portion is provided with a bottom plate locking hole, and the back plate main body is provided with a back plate docking hole corresponding to the bottom plate locking hole, and the back plate docking hole is a waist-shaped hole.

[0007] The lower end of the frame side panel is provided with a side panel lower plug block, a side panel front positioning opening for the front fitting portion of the bent panel to give way, and a side panel rear positioning opening for the rear stop portion of the bottom panel to give way; the upper end of the frame side panel is provided with a side panel first upper plug block, a side panel second upper plug block, and a side panel second rear positioning opening for the rear portion of the bent panel to give way;

[0008] The bottom plate body is provided with a bottom plate socket corresponding to the lower plug-in block of the side plate, the top of the bent plate is provided with a top socket corresponding to the second upper plug-in block of the side plate, and the main supporting part of the bent plate is provided with a main supporting part socket corresponding to the first upper plug-in block of the side plate.

[0009] The vacuum circuit breaker frame further comprises a reinforcing bracket, which comprises a bracket body. A bracket plug is provided at the lower end of the bracket body, and a bracket lower socket corresponding to the bracket plug is provided on the base plate body.

[0010] The upper end of the bracket body is provided with a bracket upper limit plug and a bracket oblique docking portion that fits on the back of the bent plate oblique portion. The connection between the bent plate oblique portion and the bent plate main supporting portion is provided with a bracket upper socket for docking the bracket upper limit plug.

[0011] The advantages of the 35KV three-position integrated vacuum circuit breaker of this utility model are: the components adopt a plug-in design, which eliminates complicated welding operations, allowing the components to be quickly positioned and tightly connected, simplifying the installation process, reducing manual operation time, meeting the needs of batch assembly, and effectively improving assembly efficiency; during internal maintenance or overhaul, there is no need for tedious welding or cutting operations, which improves maintenance efficiency and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0013] Figure 1 This is a structural diagram of the vacuum circuit breaker frame of the utility model;

[0014] Figure 2 This is a structural diagram of the frame bottom plate of the utility model;

[0015] Figure 3 This is a structural diagram of the large curved plate of the frame of the utility model;

[0016] Figure 4 yes Figure 3 Magnified image of;

[0017] Figure 5 It is a structural diagram of the rear plate of the frame of the utility model;

[0018] Figure 6 It is a structural diagram of the frame side panel of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the reinforcing bracket of the utility model. DETAILED DESCRIPTION

[0020] like Figure 1-7 As shown, the 35KV three-station integrated vacuum circuit breaker involved in the utility model includes a vacuum circuit breaker frame, the vacuum circuit breaker frame includes a frame bottom plate 1, a frame side plate 2, a frame rear plate 3 and a frame large bent plate 4, the frame bottom plate 1 includes a bottom plate body 9, the front and rear ends of the bottom plate body 9 are vertically bent upward to form a bottom plate front stop 10 and a bottom plate rear stop 11 respectively, the bottom plate rear stop 11 is vertically bent outward to form a rear stop positioning protrusion 13 The front stopper 10 of the bottom plate is provided with a front stopper positioning opening 14 at intervals, and the frame large curved plate 4 includes a curved plate rear portion 17, a curved plate top 18, a curved plate transition portion 19, a curved plate oblique portion 20, a curved plate main receiving portion 21, a curved plate front 22 and a curved plate front fitting portion 23 formed by bending in sequence, and a curved plate front insertion groove 25 for positioning the front stopper 10 of the bottom plate is formed between the curved plate front portion 22 and the curved plate front fitting portion 23. 3 The lower end is bent vertically outward to form a bent plate front positioning protrusion 24 that docks with the front stopper positioning opening 14; the frame rear plate 3 includes a rear plate body 28, the upper end of the rear plate body 28 is bent vertically inward to form a rear plate upper part 29 and a rear plate hanging part 30 in sequence, the rear plate body 28 is provided with a rear plate positioning opening 31 corresponding to the rear stopper positioning protrusion 13, and the bent plate top 18 is provided with a bent plate hanging interface 33 for the rear plate hanging part 30 to be hung. The plug-in design is adopted between the components, eliminating complicated welding operations, so that the components can be quickly positioned and tightly docked, simplifying the installation process, reducing manual operation time, suitable for batch assembly needs, and effectively improving assembly efficiency; the bent plate front fitting part 23 plays a front support role, which enhances the structural stability and effectively improves the frame connection strength; during internal maintenance or inspection, there is no need to perform tedious welding or cutting operations, which improves maintenance efficiency and safety.

[0021] The bottom plate rear baffle 11 is provided with a bottom plate locking hole 15, and the back plate main body 28 is provided with a back plate docking hole 32 corresponding to the bottom plate locking hole 15. The back plate docking hole 32 is a waist-shaped hole, which effectively improves the frame connection strength, enhances the seismic performance, and extends the service life of the equipment.

[0022] The lower end of the frame side panel 2 is provided with a side panel lower plug-in block 35, a side panel front positioning port 38 for giving way to the front fitting portion 23 of the bent panel, and a side panel rear positioning port 39 for giving way to the rear stop portion 11 of the bottom panel. The upper end of the frame side panel 2 is provided with a side panel first upper plug-in block 36, a side panel second upper plug-in block 37, and a side panel second rear positioning port 40 for giving way to the rear portion 17 of the bent panel. The bottom panel main body 9 is provided with a bottom panel socket 41 corresponding to the side panel lower plug-in block 35, the bent panel top 18 is provided with a top socket 43 corresponding to the side panel second upper plug-in block 37, and the bent panel main supporting portion 21 is provided with a main supporting portion socket 42 corresponding to the side panel first upper plug-in block 36. The docking limit of the frame side panel 2 is accurate and reliable.

[0023] The vacuum circuit breaker frame also includes a reinforcing bracket 5, which includes a bracket body 45. A bracket plug 46 is provided at the lower end of the bracket body 45, and a bracket lower socket 47 corresponding to the bracket plug 46 is provided on the base plate body 9. The reinforcing bracket 5 supports and limits key parts, so that the frame has high stability while maintaining compactness, which helps to achieve lightweight cabinet and reduce installation space.

[0024] The upper end of the bracket body 45 is provided with a bracket upper limit plug 50 and a bracket oblique docking portion 49 attached to the back of the bent plate oblique portion 20, and the connection between the bent plate oblique portion 20 and the bent plate main supporting portion 21 is provided with a bracket upper socket 52 for docking with the bracket upper limit plug 50.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention are included in the scope of protection of the present invention.

Claims

1. A 35KV three-station integrated vacuum circuit breaker, comprising a vacuum circuit breaker frame, wherein the vacuum circuit breaker frame comprises a frame bottom plate (1), a frame side plate (2), a frame rear plate (3) and a frame large curved plate (4), characterized in that: The frame bottom plate (1) includes a bottom plate body (9), the front and rear ends of the bottom plate body (9) are bent vertically upward to form a bottom plate front stop (10) and a bottom plate rear stop (11), respectively, the bottom plate rear stop (11) is bent vertically outward to form a rear stop positioning protrusion (13), and front stop positioning openings (14) are provided on the bottom plate front stop (10) at intervals. The frame large bent plate (4) includes a bent plate rear portion (17), a bent plate top portion (18) formed by bending in sequence. , a bent plate transition portion (19), a bent plate oblique portion (20), a bent plate main receiving portion (21), a bent plate front portion (22) and a bent plate front fitting portion (23), wherein a bent plate front insertion groove (25) for positioning the bottom plate front stop portion (10) is formed between the bent plate front portion (22) and the bent plate front fitting portion (23), and the lower end of the bent plate front fitting portion (23) is bent vertically outward to form a bent plate front positioning protrusion (24) that docks with the front stop portion positioning opening (14); The frame rear plate (3) includes a rear plate body (28), the upper end of the rear plate body (28) is vertically bent inward to form a rear plate upper portion (29) and a rear plate hanging portion (30) in sequence, the rear plate body (28) is provided with a rear plate positioning opening (31) corresponding to the rear stop portion positioning protrusion (13), and the top of the bent plate (18) is provided with a bent plate hanging interface (33) for hanging the rear plate hanging portion (30).

2. The 35KV three-position integrated vacuum circuit breaker according to claim 1, characterized in that: A bottom plate locking hole (15) is provided on the bottom plate rear stop (11), and a back plate docking hole (32) corresponding to the bottom plate locking hole (15) is provided on the back plate main body (28), wherein the back plate docking hole (32) is a waist-shaped hole.

3. The 35KV three-position integrated vacuum circuit breaker according to claim 1, characterized in that: The lower end of the frame side panel (2) is provided with a side panel lower insert block (35), a side panel front positioning opening (38) for the bent panel front fitting portion (23) to give way, and a side panel rear positioning opening (39) for the bottom panel rear stop portion (11) to give way. The upper end of the frame side panel (2) is provided with a side panel first upper insert block (36), a side panel second upper insert block (37), and a side panel second rear positioning opening (40) for the bent panel rear portion (17) to give way. The bottom plate body (9) is provided with a bottom plate socket (41) corresponding to the side plate lower plug block (35), the bent plate top (18) is provided with a top socket (43) corresponding to the side plate second upper plug block (37), and the bent plate main supporting portion (21) is provided with a main supporting portion socket (42) corresponding to the side plate first upper plug block (36).

4. The 35KV three-position integrated vacuum circuit breaker according to claim 1, characterized in that: The vacuum circuit breaker frame further comprises a reinforcing bracket (5), the reinforcing bracket (5) comprising a bracket body (45), a bracket insert (46) being provided at the lower end of the bracket body (45), and a bracket lower socket (47) corresponding to the bracket insert (46) being provided on the base plate body (9).

5. The 35KV three-position integrated vacuum circuit breaker according to claim 4, characterized in that: The upper end of the bracket body (45) is provided with a bracket upper limit plug (50) and a bracket oblique docking portion (49) affixed to the back of the bent plate oblique portion (20); the connection between the bent plate oblique portion (20) and the bent plate main supporting portion (21) is provided with a bracket upper socket (52) for docking the bracket upper limit plug (50).

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