A spliced ​​power cabinet

Abstract

A spliced ​​power cabinet includes a side frame and a first crossbeam; the side frame is provided with a second crossbeam, a column and a connecting piece, the connecting piece is fixed between the second crossbeam and the column, and is provided with a first connecting portion; the first crossbeam includes a first connecting plate and a second connecting plate connected to each other; the end face of the first connecting plate is provided with a first bending portion, the end face of the second connecting plate is provided with a second bending portion, the first bending portion and the second bending portion are provided with connecting holes and are fixed to the column; the first bending portion and the second bending portion of the same end face are vertically docked, and the docking surface is perpendicular to the first connecting plate or the second connecting plate; the first connecting portion is provided with an extension portion and a bending portion that are perpendicular to each other, the extension portion is provided with a connecting hole and is fixed to the column, and the bending portion is provided with a connecting hole and is fixed to the first connecting plate. The power cabinet structure of the present invention reduces the number of parts, optimizes the assembly process, increases the overall stability of the cabinet, and greatly reduces the cost of materials, manpower, time and energy.

Description

Technical Field

[0001] The invention relates to the field of power cabinets, in particular to a spliced ​​power cabinet. Background Art

[0002] The power cabinet is an important equipment in the power transmission and transformation system. It is suitable for low-voltage power distribution systems in power plants, substations, petroleum, chemical, metallurgical, mechanical and other factories and mines and high-rise buildings.

[0003] The existing power cabinet is mostly assembled by welding cold-rolled steel plates, see Figure 1 Since the cold-rolled welded plate itself is not corrosion-resistant, it needs to be polished and sprayed with corrosion-resistant materials after welding. Although the cost is low, the labor intensity of workers is high, the process is relatively complicated, and the appearance is unsatisfactory.

[0004] The spliced ​​power cabinet has appeared on the market. The conventional spliced ​​beam structure frame adopts a pressing plate 3 to connect the beam 1 and the column 2 by automatic screws. Figure 2 As shown, with this connection mode, since a pressing plate is also required for fixing, the number of assembly accessories is increased. For a cabinet, the number of connectors used increases, so the connectors are easy to lose and the assembly efficiency is low. Summary of the invention

[0005] The main purpose of the present invention is to overcome the above-mentioned defects in the prior art and to propose a spliced ​​power cabinet to enhance the torsional bending resistance of the profile, increase the load weight and connection stability, reduce the number of parts, and optimize the assembly process.

[0006] The present invention adopts the following technical solution:

[0007] A spliced ​​power cabinet comprises a side frame and a first crossbeam; the side frame is provided with a second crossbeam, a column and a connecting piece, the connecting piece is fixed between the second crossbeam and the column, and is provided with a first connecting portion; the first crossbeam comprises a first connecting plate and a second connecting plate connected to each other; it is characterized in that: the end face of the first connecting plate is provided with a first bending portion, the end face of the second connecting plate is provided with a second bending portion, the first bending portion and the second bending portion are provided with connecting holes and are fixed to the column; the first bending portion of the same end face is vertically connected to the second bending portion, and the connecting surface is perpendicular to the first connecting plate or the second connecting plate; the first connecting portion is provided with an extension portion and a bending portion perpendicular to each other, the extension portion is provided with a connecting hole and is fixed to the column, and the bending portion is provided with a connecting hole and is fixed to the first connecting plate.

[0008] Preferably, the length of the second bending portion is equal to the width of the second connecting plate or the length of the first bending portion is equal to the width of the first connecting plate.

[0009] Preferably, a first bending plate is provided on the side of the first connecting plate, and the first bending portion is formed on the end face of the first bending plate; the first bending plate has a width smaller than that of the first connecting plate and is provided with a plurality of modular holes.

[0010] Preferably, a second bending plate is provided on the side of the second connecting plate, and the second bending portion is formed on the end face of the second bending plate; the width of the second bending plate is smaller than the width of the second connecting plate and is provided with a plurality of modular holes.

[0011] Preferably, the first connecting plate is provided with a plurality of mounting holes and modular holes.

[0012] Preferably, the connecting member also includes a second connecting part, a third connecting part and a fourth connecting part; the second connecting part is perpendicular to the first connecting part and is fixed on the second crossbeam; the third connecting part is perpendicularly connected to one end of the second connecting part and / or one end of the fourth connecting part and is fixed on the column; the fourth connecting part is perpendicularly connected to one end of the third connecting part and / or the other end of the second connecting part; the second connecting part, the third connecting plate and the fourth connecting part are respectively provided with connecting holes.

[0013] Preferably, the fourth connection portion is parallel to the first connection portion, and the two are respectively located at two opposite sides of the second connection portion; or the fourth connection portion is further provided with a chamfer.

[0014] Preferably, the extension portion and the bending portion are located at the same end of the first connecting portion.

[0015] Preferably, the first connection part, the second connection part, the third connection part and the fourth connection plate are integrally formed by stamping.

[0016] Preferably, one end of the second connection portion is an end perpendicular to the first connection portion; and the other end of the second connection portion is an end parallel to the first connection portion.

[0017] It can be seen from the above description of the present invention that, compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The power cabinet of the present invention has a first crossbeam with a first bending portion and a second bending portion, and the bending portions are designed differently, which effectively enhances the torsional bending resistance of the profile, improves the load weight and the stability of the connection with other frames; and a fixed connection between different sides of the second crossbeam and the column, and between the second crossbeam and the first crossbeam can be achieved through a connecting piece without welding, which not only reduces the number of parts and optimizes the assembly process, but also increases the overall stability of the cabinet, greatly reducing the cost of materials, manpower, time and energy.

[0019] 2. In the power cabinet of the present invention, the first bending portion of the first beam and the second bending portion of the butt joint surface are arranged to be perpendicular to one of the connecting plates, which can increase the torsional bending resistance of the profile and simplify the process.

[0020] 3. The power cabinet of the present invention has a first cross beam and a first bent portion and a second bent portion, and a plurality of combinations of lengths and formation positions, and has a flexible structure.

[0021] 4. The present invention sets a number of equally spaced modular holes on the first connecting plate, the first bending plate and the second bending plate. In addition to realizing modular installation, the length, width, etc. of the profile can be determined according to the preset spacing and number of the modular holes, which is very convenient. The setting of the modular holes can also eliminate the stress generated.

[0022] 5. The power cabinet of the present invention has a connecting piece provided with a first connecting part, a second connecting part, a third connecting part and a fourth connecting part, which can be used to achieve a fixed connection between the first beam, the second beam and the column. The whole is stamped in one piece, has a relatively simple structure, high processing efficiency and reduced costs.

[0023] 6. The power cabinet of the present invention is provided with a chamfer on the fourth connecting portion, which can prevent scratches, save materials, and reduce or eliminate the generated stress.

[0024] 7. The power cabinet of the present invention has various connection combinations among the third connection part, the fourth connection part and the second connection part, and the structure is flexible.

[0025] 8. The number of mounting holes on the first connecting part, the second connecting part, the third connecting part, the fourth connecting part, the extension part and the bending part of the connecting part of the present invention is not unique and can be adjusted as needed to meet the installation requirements of different cabinets. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is the structural diagram of the existing power cabinet;

[0027] Figure 2 This is a schematic diagram of the existing beam connection;

[0028] Figure 3 This is the overall appearance diagram of the power cabinet of the present invention;

[0029] Figure 4 This is a frame diagram of the power cabinet of the present invention;

[0030] Figure 5 This is a structural diagram of the side frame and the first crossbeam of the present invention;

[0031] Figure 6 for Figure 5 A partial enlarged view of

[0032] Figure 71 is a structural diagram of the first crossbeam (Example 1);

[0033] Figure 8 for Figure 7 A partial enlarged view of

[0034] Fig. 9 This is a structural diagram of the first crossbeam (Example 2);

[0035] Fig.10 for Fig. 9 A partial enlarged view of

[0036] Fig.11 This is a structural diagram of the first beam (Example 3);

[0037] Fig.12 for Fig.11 A partial enlarged view of

[0038] Fig.13 This is a structural diagram of a first embodiment of a connecting member (the chamfer is a slope);

[0039] Fig.14 This is a structural diagram of a first embodiment of a connecting piece (the chamfer is a curved surface);

[0040] Fig.15 This is a structural diagram of the second embodiment of the connecting member (the chamfer is an inclined surface);

[0041] Fig.16 This is a structural diagram of the second embodiment of the connecting piece (the chamfer is a curved surface);

[0042] Fig.17 This is a structural diagram of the third embodiment of the connecting member (the chamfer is a slope);

[0043] Fig.18 This is a structural diagram of the third embodiment of the connecting piece (the chamfer is a curved surface).

[0044] 10. First cross beam, 11. First connecting plate, 12. Mounting hole, 13. First bending plate, 14. Modular hole, 15. First bending portion, 16. Connecting hole, 17. Butt joint, 20. Second connecting plate, 21. Second bending plate, 22. Second bending portion, 30. Side frame, 31. Second cross beam, 32. Column, 40. Connector, 41. First connecting portion, 42. Extension portion, 43. Bending portion, 44. Second connecting portion, 45. Third connecting portion, 46. Fourth connecting portion, 47. Chamfer, 50. Fastener, 71. Top cover, 72. Side panel, 73. Door panel. DETAILED DESCRIPTION

[0045] The present invention is further described below through specific implementation modes.

[0046] Embodiment 1

[0047] Reference Figures 3 to 8 A spliced ​​power cabinet includes two side frames 30 and a plurality of first beams 10, wherein the first beams 10 are connected between the two side frames 30 to form a main frame structure of the power cabinet. A top cover 71, a side plate 72, a door plate 73, etc. are also installed outside the main frame structure to form a cabinet body of the power cabinet.

[0048] The first crossbeam 10 includes a first connecting plate 11 and a second connecting plate 20 connected vertically. The first connecting plate 11 and the second connecting plate 20 have the same length and can have the same or different widths. The first connecting plate 11 is provided with a plurality of mounting holes 11 and modular holes 14. The mounting holes 11 can be used to mount pulleys or lifting ears, and the modular holes 14 can be used for modular mounting.

[0049] The first and second connecting plates 11 and 20 are provided with a first bending plate 13 and a second bending plate 21 on the other side thereof, respectively, for strengthening the anti-torsion bending performance of the profile. The length of the first bending plate 13 is the same as that of the first connecting plate 11, and the width is smaller than the width of the first connecting plate 11. The length of the second bending plate 21 is the same as that of the second connecting plate 20, and the width is smaller than the width of the second connecting plate 20.

[0050] The angle between the first bending plate 13 and the first connecting plate 11 and the angle between the second bending plate 21 and the second connecting plate 20 are preferably 90°, but not limited thereto. A plurality of modular holes 14 are provided on the first bending plate 13 and the second bending plate 21 to facilitate modular installation.

[0051] The first bending portion 15 is provided on the end face of the first connecting plate 11, and the second bending portion 22 is provided on the end face of the second connecting plate 20. The end faces may be the left and right end faces of the first connecting plate 11 and the second connecting plate 20. At the same end face (for example, the right end face), the first bending portion 15 and the second bending portion 22 are vertically butted, and a butt surface 17 is formed between the two. The length of the first bending portion 15 is less than the width of the first connecting plate 11, and the length of the second bending portion 22 is equal to the width of the second connecting plate 20. The first bending portion 15 can be made shorter than the width of the first connecting plate 11 by bending the end face of the first connecting plate 11 and then partially cutting it off, or the first bending portion 15 can be formed by directly bending a part.

[0052] The width of the first connecting plate 11 may be equal to the sum of the length of the first bending portion 15 and the width of the second bending portion 22. The butt joint surface 17 between the first bending portion 15 and the second bending portion 22 is perpendicular to the first connecting plate 11.

[0053] Furthermore, the first bending portion 15 and the second bending portion 22 are respectively provided with connection holes 16, which are fixedly connected to the side frame 30 by fasteners 50 such as screws or bolts, so that the installation is convenient.

[0054] The side frame 30 is provided with two second cross beams 31, two columns 32 and a plurality of connecting members 40. The two second cross beams 31 are connected between the two columns 32 and are arranged up and down. The connecting members 40 are connected between the second cross beams 31 and the columns 32. The first bending portion 15 and the second bending portion 22 of the first cross beam 10 are fixed to the corresponding sides of the columns 32.

[0055] The connector can also connect the first beam 10. Specifically, the connector 40 is provided with a first connecting portion 41. The first connecting portion 41 is provided with an extension portion 42 and a bending portion 43 that are perpendicular to each other. The extension portion 42 is fixed to one side of the column 32, that is, the side is the connection side of the column 32 and the first beam 10, thereby further fixing the second beam 31 and one side of the column 32. The bending portion 43 is fixed to the first connecting plate. Preferably, the bending portion 43 is fixedly connected to the first bending plate 13 on the first connecting plate, thereby realizing a fixed connection between the first beam 10 and the second beam 31.

[0056] The first connecting portion 41 , the extension portion 42 and the bending portion 43 are provided with connecting holes 16 , which are threaded holes and the number of the connecting holes 16 can be one, two or even more, without limitation; preferably, two or four are provided on the first connecting portion 41 , and one is provided on the extension portion 42 and the bending portion 43 .

[0057] The extension 42 and the bend 43 are located at the same end of the first connection portion 41, which is an end that is not connected to and perpendicular to the second connection portion 44. The extension 42 partially extends outward from the end of the first connection portion 41, and the bend 43 partially bends vertically from the end of the first connection portion 41.

[0058] See also Fig.13 , Fig.14 The connecting member 40 may also include a second connecting portion 44, a third connecting portion 45 and a fourth connecting portion 46, wherein the second connecting portion 44 is fixed to the bottom of the second beam 31, and the third connecting portion 45 is fixed to the other side of the column 32, which is the side connected to the second beam 31, so as to fix the second beam 31 and the other side of the column 32. The fourth connecting portion 46 may be connected to the enclosure frame of the cabinet through screws and connecting holes 16.

[0059] The third connection portion 45 is vertically connected to one end of the second connection portion 44, and the one end of the second connection portion 44 is an end that is not connected to the first connection portion 41 and is vertical. The fourth connection portion 46 is vertically connected to one end of the third connection portion 45, and the one end of the third connection portion 45 is an end that is not connected to the second connection portion 44 and is vertical. The fourth connection portion 46 is parallel to the first connection portion 41, and the two are respectively located at two opposite sides of the second connection portion 44 and are located on different planes.

[0060] The second connecting part 44 , the third connecting part 45 and the fourth connecting part 46 are provided with connecting holes 16 , and the number of connecting holes 16 can be one, two or even more, without limitation; preferably, one or two are provided on the second connecting part 44 and the third connecting part 45 , and one is provided on the fourth connecting part 46 .

[0061] The fourth connection portion 46 has a chamfer 47 at the diagonal position formed by the two ends that are not connected to the second connection portion 44 and the third connection portion 45. The chamfer 47 may be an inclined surface or an arc surface. In practical applications, the chamfer 47 can prevent scratches, save materials, and reduce or eliminate the generated stress.

[0062] The first crossbeam 10 of the present invention can be made of materials such as aluminum-zinc plate, zinc-coated plate, and aluminum-coated plate, which can avoid grinding and spraying of anti-corrosion materials in the process, and can also reduce the labor intensity of workers and achieve a relatively aesthetic appearance. The second crossbeam 31 and the column 32 can be made of conventional profiles, such as C profiles, G profiles, etc.

[0063] The present invention provides a plurality of modular holes 14 on the first beam 10 , the second beam 31 and the column 32 , respectively. The position, size and spacing of the connection holes 16 of the connector 40 can correspond to the modular holes on the profile to facilitate the installation of the connector 40 .

[0064] The present invention provides a plurality of equally spaced modular holes 14 on the first connecting plate 11, the first bending plate 13, and the second bending plate 21. In addition to realizing modular installation, the length and width of the profile can also be determined according to the preset spacing and number of the modular holes 14. The provision of the modular holes 14 can also eliminate the generated stress. In practical applications, the width of the first connecting plate 11 and the second connecting plate 20 can be designed to be smaller, so that the cabinet can provide sufficient space for the inlet and outlet lines while ensuring the strength and stability of the cabinet.

[0065] The first connection part 41 , the second connection part 44 , the third connection part 45 and the fourth connection part 46 of the present invention are integrally formed by stamping, and have a relatively simple structure, high processing efficiency and reduced cost.

[0066] The power cabinet of the present invention can achieve fixed connection between one side of the second beam 31 and the column 32, between the other side of the second beam 31 and the column 32, and between the second beam 31 and the first beam 10 through a connecting piece 40 and a fastener 50, without welding, thereby increasing the overall stability of the cabinet and greatly reducing material, manpower, time and energy costs.

[0067] Embodiment 2

[0068] Reference Fig. 9 , Fig.10A spliced ​​power cabinet, the main structure of which is the same as that of the first embodiment, except that the length of the second bending portion 22 is less than the width of the second connecting plate 20, and the length of the first bending portion 15 is equal to the width of the first connecting plate 11. The butt joint surface 17 of the first bending portion 15 and the second bending portion 22 is perpendicular to the second connecting plate 20.

[0069] Embodiment 3

[0070] Reference Fig.11 , Fig.12 , a spliced ​​power cabinet, whose main structure is the same as that of the first embodiment, the difference is that: the first bending portion 15 is formed on the end surface of the first bending plate 13.

[0071] Embodiment 4

[0072] A spliced ​​power cabinet has a main structure that is the same as that of the first embodiment, except that: the second bending portion is formed on the end surface of the second bending plate.

[0073] Embodiment 5

[0074] A spliced ​​power cabinet has the same main structure as that of the first embodiment, except that: on the first connecting plate, the first bending portion of one end face is formed on the end face of the first bending plate, and the first bending portion of the other end face is formed on the end face of the first connecting plate.

[0075] Embodiment 6

[0076] A spliced ​​power cabinet has the same main structure as that of the first embodiment, except that: the first bending portion and the second bending portion are both formed on the end surface of the first connecting plate, and the bent second bending portion is located on the end surface of the second connecting plate.

[0077] Embodiment 7

[0078] See also Fig.15 , Fig.16 , a spliced ​​power cabinet, whose main structure is the same as that of the first embodiment, except that: the third connecting portion 45 is vertically connected to one end of the second connecting portion 44, and the one end of the second connecting portion 44 is an end that is not connected to the first connecting portion 41 and is vertical. The fourth connecting portion 46 is vertically connected to the other end of the second connecting portion 44, and the other end of the second connecting portion 44 is an end that is not connected to the first connecting portion 41 and is parallel.

[0079] Embodiment 8

[0080] See also Fig.17 , Fig.18, a spliced ​​power cabinet, the main structure of which is the same as that of the first embodiment, except that: the third connecting portion 45 is vertically connected to one end of the fourth connecting portion 46, and one end of the fourth connecting portion 46 is an end that is not connected to the second connecting portion 44 and is perpendicular to the second connecting portion 44. The fourth connecting portion 46 is vertically connected to the other end of the second connecting portion 44, and the other end of the second connecting portion 44 is an end that is not connected to the first connecting portion 41 and is parallel to the first connecting portion 41.

[0081] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A spliced ​​power cabinet, comprising a side frame and a first crossbeam; the side frame is provided with a second crossbeam, a column and a connecting member, the connecting member is fixed between the second crossbeam and one side of the column and is provided with a first connecting portion; the first crossbeam comprises a first connecting plate and a second connecting plate connected to each other; characterized in that: The end face of the first connecting plate is provided with a first bent portion, the side portion of the first connecting plate is provided with a first bent plate, the first bent portion is formed on the end face of the first bent plate, the end face of the second connecting plate is provided with a second bent portion, the side portion of the second connecting plate is provided with a second bent plate, the second bent portion is formed on the end face of the second bent plate, the first bent portion and the second bent portion are provided with connecting holes and are fixed to the column; the first bent portion and the second bent portion of the same end face are vertically butted against each other, and the butting surface thereof is perpendicular to the first connecting plate or the second connecting plate; the first connecting portion is provided with an extension portion and a bent portion perpendicular to each other, the extension portion is provided with a connecting hole and is fixed to the column, and the bent portion is provided with a connecting hole and is fixed to the first bent plate of the first connecting plate; The connecting member also includes a second connecting part, a third connecting part and a fourth connecting part; the second connecting part is perpendicular to the first connecting part and is fixed on the second crossbeam; the third connecting part is perpendicularly connected to one end of the second connecting part and / or one end of the fourth connecting part and is fixed on the other side of the column, and one end of the second connecting part is an end that is not connected to the first connecting part and is perpendicular; the fourth connecting part is perpendicularly connected to one end of the third connecting part and / or the other end of the second connecting part; the second connecting part, the third connecting part and the fourth connecting part are respectively provided with connecting holes.

2. The spliced ​​power cabinet according to claim 1, characterized in that: The length of the second bending portion is equal to the width of the second connecting plate or the length of the first bending portion is equal to the width of the first connecting plate.

3. The spliced ​​power cabinet according to claim 1, characterized in that: The first bending plate has a width smaller than that of the first connecting plate and is provided with a plurality of modular holes.

4. The spliced ​​power cabinet according to claim 1, characterized in that: The second bending plate has a width smaller than that of the second connecting plate and is provided with a plurality of modular holes.

5. The spliced ​​power cabinet according to claim 1, characterized in that: The first connecting plate is provided with a plurality of mounting holes and modular holes.

6. The spliced ​​power cabinet according to claim 1, characterized in that: The fourth connection portion is parallel to the first connection portion, and the two are respectively located at two opposite sides of the second connection portion; or the fourth connection portion is further provided with a chamfer.

7. The spliced ​​power cabinet according to claim 1, characterized in that: The extension portion and the bent portion are located at the same end of the first connecting portion.

8. The spliced ​​power cabinet according to claim 1, characterized in that: The first connection part, the second connection part, the third connection part and the fourth connection plate are integrally formed by stamping.

9. The spliced ​​power cabinet according to claim 1, characterized in that: One end of the second connection portion is an end perpendicular to the first connection portion; the other end of the second connection portion is an end parallel to the first connection portion.

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