Bus bridge for switch cabinet

Abstract

The utility model discloses a bus bridge for a switch cabinet, and relates to the technical field of bus bridges. The bus bridge for the switch cabinet comprises a bridge frame, a shell is arranged on one side of the bridge frame, sliding grooves are formed in the two sides of the inner wall of the bridge frame, the inner walls of the two sliding grooves are connected with the same connecting plate in a sliding mode, the connecting plate is rotationally connected with the lower side of the shell, and an opening is formed in the side, close to the shell, of the lower inner wall of the bridge frame in a penetrating mode. The housing can be bent so as to be connected with a corresponding switch cabinet, one side, close to the housing, of the bridge frame can be exposed after bending, one side of a new bridge frame is attached to and fixed to the side edge of the bridge frame so that the bridge frame can be prolonged, and the housing corresponding to the new bridge frame is bent so that the bridge frame can be connected with another switch cabinet. A plurality of bridge frames are combined and connected with each other to extend, and the corresponding shell can be bent every time the bridge frames extend, so that the bus bridge can be connected with a plurality of switch cabinets.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar bridges, in particular to a busbar bridge used for a switch cabinet. Background Art

[0002] Switchgear is an electrical equipment mainly based on circuit breakers. As a device for receiving and distributing electrical energy in the power system, it is called a metal switchgear, or switchgear for short. There are busbar room, circuit breaker room, secondary control room, etc. inside the switchgear. There are generally branch busbars in the switchgear, and the main busbars in the busbar bridge will extend into the switchgear and connect with the branch busbars.

[0003] The existing busbar bridge can be laid at an angle by bending. For example, Chinese patent application number CN202222559169.3 discloses a busbar bridge for a high-voltage switchgear, including a triangular plate, the left end of which is fixedly connected to a fixed shaft, the outer wall of the fixed shaft is located between the triangular plates and is movably connected to a square tube, the other end of the square tube is movably connected to a connecting bridge, the other end of the connecting bridge is movably connected to an extended square tube, and an angle folding mechanism. The angle folding mechanism includes a sliding shaft, the outer wall of the sliding shaft is movably connected to a side plate, and a movable groove is opened on the left side of the top end of the side plate.

[0004] After the busbar bridge is bent, the bending part is in a sealed state, so that the busbar bridge can only extend in the bending direction. The switch cabinets are generally placed side by side. The bending method of this busbar bridge is not conducive to connecting with multiple switch cabinets. Utility Model Content

[0005] Technical issues solved

[0006] In view of the deficiencies in the prior art, the utility model provides a busbar bridge for a switch cabinet, which solves the problem that the busbar bridge is inconvenient to be connected to a plurality of switch cabinets.

[0007] Technical Solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a busbar bridge for a switch cabinet, including a bridge frame, a shell is provided on one side of the bridge frame, slide grooves are provided on both sides of the inner wall of the bridge frame, the inner walls of the two slide grooves are slidably connected with the same connecting plate, the connecting plate is rotatably connected to the lower side of the shell, an opening is penetrated through the lower inner wall of the bridge frame close to the shell, a card slot is provided on the lower inner wall of the bridge frame, the bridge frame and the shell upper surface are connected to the side close to each other with connecting blocks, the outer surface of the connecting block is penetrated with holes, the upper surface of the bridge frame is connected to the side away from the shell, the outer surface of the fixing block is penetrated with openings, and the bridge frame and the shell are connected to busbars.

[0009] Preferably, a lower surface of the bridge frame is connected to a limiting block at a side away from the shell, and a through hole with the same diameter as the hole is opened on the lower side of the limiting block.

[0010] Preferably, a sealing ring is connected to the inner wall of the bridge away from the shell.

[0011] Preferably, the bridge frame is symmetrically connected with plug blocks on one side away from the shell.

[0012] Preferably, the insert block is made of stainless steel.

[0013] Preferably, the sealing ring is made of rubber.

[0014] Beneficial Effects

[0015] The utility model provides a busbar bridge for a switch cabinet, which has the following beneficial effects:

[0016] Through the set structures such as the bridge frame and the shell, the shell can be bent to be connected to the corresponding switch cabinet. After bending, the side of the bridge frame close to the shell will be exposed. The bridge frame can be extended by fitting and fixing one side of the new bridge frame to the side of the bridge frame. The shell corresponding to the new bridge frame can be bent to connect to another switch cabinet. Compared with the prior art, multiple bridge frames can be extended by combining and connecting with each other, and the corresponding shell can be bent each time the bridge frame is extended, so that the busbar bridge can be connected to multiple switch cabinets. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the bridge frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model in which the housing is far away from the bridge frame;

[0020] Figure 4 This is a schematic diagram of the bending structure of the shell of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the connecting plate of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the utility model bridge frame when it is fitted with the new bridge frame;

[0023] Figure 7 It is a schematic diagram of the structure when the limit block and the connecting block of the utility model are fitted together.

[0024] In the figure: 1. bridge; 2. shell; 3. slide groove; 4. connecting plate; 5. opening; 6. slot; 7. connecting block; 8. hole; 9. fixing block; 10. opening; 11. limit block; 12. through hole; 13. sealing ring; 14. plug-in block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-7 The utility model provides a technical solution: a busbar bridge for a switch cabinet, comprising a bridge frame 1, a shell 2 is provided on one side of the bridge frame 1, slide grooves 3 are provided on both sides of the inner wall of the bridge frame 1, the inner walls of the two slide grooves 3 are slidably connected with the same connecting plate 4, the connecting plate 4 is rotatably connected to the lower side of the shell 2, an opening 5 is penetrated through the lower inner wall of the bridge frame 1 close to the shell 2, a card slot 6 is provided on the lower inner wall of the bridge frame 1, a connecting block 7 is connected to the side close to the upper surface of the bridge frame 1 and the shell 2, a hole 8 is penetrated through the outer surface of the connecting block 7, a fixing block 9 is connected to the side of the upper surface of the bridge frame 1 away from the shell 2, and an opening 10 is penetrated through the outer surface of the fixing block 9, and a busbar is connected to the inside of the bridge frame 1 and the shell 2. The busbar refers to the busbar or power supply trunk line in the high and low voltage cabinet. The function of the busbar is to gather, distribute and transmit electric energy. The connection method between the busbar and the bridge frame 1 and the shell 2 is the existing technology, which will not be repeated here. The width of the card slot 6 is adapted to the connecting plate 4, and the inner walls of the opening 10 and the hole 8 are provided with threads.

[0027] During operation, when the bridge 1 and the shell 2 are not in use, the inner threads of the connecting blocks 7 corresponding to the upper surfaces of the bridge 1 and the shell 2 are connected with the same bolt. Remove the bolt and pull the shell 2 away from the bridge 1. The connecting plate 4 will move with the shell 2. At this time, the shell 2 can rotate. The shell 2 is bent and pushed in the direction of the bridge 1. The connecting plate 4 will be stuck in the card slot 6. The connecting block 7 on the shell 2 will rotate to the lower side with the shell 2. The side of the shell 2 close to the bridge 1 will correspond to the position of the opening 5. At this time, the side of the bridge 1 close to the shell 2 is exposed. , fit one side of the new bridge 1 with one side of this bridge 1, the fixing block 9 on the new bridge 1 will be aligned with the connecting block 7 on this bridge 1, screw the bolt into the opening 10, the bolt will be inserted into the hole 8 of the corresponding connecting block 7, so that the new bridge 1 is fixedly connected to this bridge 1, and at the same time, the connecting block 7 on the lower side will support the new bridge 1 to provide support for the new bridge 1. At this time, the shell 2 corresponding to the new bridge 1 can be bent to facilitate the connection of the busbar to the switch cabinet, and the side of the new bridge 1 close to the shell 2 will be exposed so as to be connected to another bridge 1.

[0028] See also Figure 1-7 The utility model provides a technical solution: the lower surface of the bridge frame 1 is connected to a limiting block 11 away from the shell 2, and a through hole 12 with the same diameter as the hole 8 is opened on the lower side of the limiting block 11.

[0029] During operation, when the new bridge frame 1 is fitted with the bridge frame 1, the limit block 11 will fit with the lower connecting block 7. At this time, the screw is screwed into the hole 8, and the screw will be inserted into the through hole 12, so that the new bridge frame 1 is fixedly connected to the lower connecting block 7, and the new bridge frame 1 is fixedly connected to the bent shell 2.

[0030] See also Figure 1-7 The utility model provides a technical solution: a sealing ring 13 is connected to the inner wall of the bridge frame 1 away from the shell 2, and both sides of the sealing ring 13 extend toward the bridge frame 1 and the shell 2 respectively.

[0031] During operation, the sealing ring 13 is provided to improve the sealing performance of the connection between the new bridge 1 and the bridge 1, thereby preventing dust and other impurities from entering the interior of the bridge 1.

[0032] See also Figure 1-7 The utility model provides a technical solution: an insert block 14 is symmetrically connected to one side of the bridge frame 1 away from the housing 2 , and the width of the insert block 14 is adapted to the slide slot 3 .

[0033] During operation, when the new bridge 1 is fitted with the bridge 1, the insert block 14 on the new bridge 1 will be inserted into the corresponding slide groove 3 of the bridge 1, thereby limiting the new bridge 1 and preventing the position of the new bridge 1 from shifting.

[0034] See also Figure 1-7The utility model provides a technical solution: the insert block 14 is made of stainless steel.

[0035] During operation, the insert block 14 made of stainless steel has better hardness and is not easily deformed during use, which is beneficial to limit the new bridge frame 1.

[0036] See also Figure 1-7 The utility model provides a technical solution: the sealing ring 13 is made of rubber.

[0037] During operation, the rubber sealing ring 13 has better insulation performance, and can improve the insulation effect of the connection between the new bridge 1 and the bridge 1.

[0038] In summary, when the bridge 1 and the shell 2 are not in use, the connecting blocks 7 corresponding to the upper surfaces of the bridge 1 and the shell 2 are connected with the same bolt through the internal threads. Remove the bolt and pull the shell 2 away from the bridge 1, and the connecting plate 4 will move with the shell 2. At this time, the shell 2 can rotate. Bend the shell 2 and push it in the direction of the bridge 1 to make the connecting plate 4 snap into the slot 6. The connecting block 7 on the shell 2 will rotate to the lower side with the shell 2. The side of the shell 2 close to the bridge 1 will correspond to the position of the opening 5. At this time, the side of the bridge 1 close to the shell 2 is exposed, and the side of the new bridge 1 is fitted with the side of this bridge 1. The fixing block 9 on 1 will be aligned with the connecting block 7 on this bridge 1, the limiting block 11 will fit with the connecting block 7 on the lower side, screw a bolt into the opening 10, the bolt will be inserted into the hole 8 of the corresponding connecting block 7, so that the new bridge 1 is fixedly connected to this bridge 1, screw a screw into the hole 8, the screw will be inserted into the through hole 12, so that the new bridge 1 is fixedly connected to the lower connecting block 7, and the new bridge 1 is fixedly connected to the bent shell 2. At this time, the shell 2 corresponding to the new bridge 1 can be bent to facilitate the connection of the busbar to the switch cabinet, and the side of the new bridge 1 close to the shell 2 will be exposed so as to be connected to another bridge 1.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A busbar bridge for a switch cabinet, comprising a bridge frame (1), characterized in that: A shell (2) is provided on one side of the bridge frame (1), and slide grooves (3) are provided on both sides of the inner wall of the bridge frame (1). The inner walls of the two slide grooves (3) are slidably connected to the same connecting plate (4), and the connecting plate (4) is rotatably connected to the lower side of the shell (2). An opening (5) is provided through the lower inner wall of the bridge frame (1) close to the shell (2), and a slot (6) is provided on the lower inner wall of the bridge frame (1). The upper surfaces of the bridge frame (1) and the shell (2) are connected to connecting blocks (7) on the sides close to each other, and the outer surface of the connecting blocks (7) is provided with holes (8). The upper surface of the bridge frame (1) is connected to a fixed block (9) away from the shell (2), and the outer surface of the fixed block (9) is provided with an opening (10). The bridge frame (1) and the shell (2) are both connected to busbars.

2. A busbar bridge for a switch cabinet according to claim 1, characterized in that: The lower surface of the bridge (1) is connected to a limiting block (11) at a side away from the housing (2), and a through hole (12) having the same diameter as the hole (8) is provided on the lower side of the limiting block (11).

3. A busbar bridge for a switch cabinet according to claim 1, characterized in that: A sealing ring (13) is connected to the inner wall of the bridge frame (1) at a side away from the housing (2).

4. A busbar bridge for a switch cabinet according to claim 1, characterized in that: The bridge frame (1) is symmetrically connected to an insert block (14) on one side away from the housing (2).

5. A busbar bridge for a switch cabinet according to claim 4, characterized in that: The insert block (14) is made of stainless steel.

6. A busbar bridge for a switch cabinet according to claim 3, characterized in that: The sealing ring (13) is made of rubber.

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