Connection structure of tubular bus

Abstract

The utility model discloses a connecting structure of a tubular bus, which comprises the tubular bus, a first connecting block is fixedly connected to the side surface of the tubular bus, a second connecting block is fixedly connected to one surface, far away from the first connecting block, of the tubular bus, and a mounting block is fixedly connected to the outer surface of the second connecting block. A mounting groove is formed in the outer surface of the first connecting block, the outer surface of the mounting block is in sliding connection with the mounting groove, fixing blocks are fixedly connected to the two sides of the outer surface of the tubular bus, bidirectional threaded rods are in threaded connection with the interiors of the fixing blocks, and rotating grips are fixedly connected to the outer surfaces of the bidirectional threaded rods. According to the utility model, the outer surface of the tubular bus is provided with the fixing blocks, and the two fixing blocks can be driven by the bidirectional threaded rod to move towards the middle at the same time, thereby driving the installation block to be inserted into the installation groove, completing the connection and installation of the tubular bus, increasing the stability during connection, and avoiding the problems of separation and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of tubular busbars, in particular to a connection structure of tubular busbars. Background Art

[0002] The tubular busbar is a new type of power distribution system, also known as a longitudinal isolated busbar or tubular cable. It uses copper tubes or aluminum alloy tubes as conductors and is coated with insulating materials. Therefore, it has the characteristics of large current, high mechanical strength, good insulation performance and a wide range of applications. The tubular busbar is widely used in power plants, substations and other fields. In power plants, it is often used as a solution for high voltage and high current transmission, connecting the unit outlet, export transformers and import transformers and other systems. In substations, the tubular busbar can achieve high density, miniaturization, energy saving, no noise, no electromagnetic radiation and other characteristics, improve the overall design and operation efficiency, and has the advantages of high heat resistance, easy installation, beautiful appearance, stable and reliable operation, good convection heat dissipation conditions, corrosion resistance, strong disaster resistance and long service life.

[0003] A connection structure of a tubular busbar disclosed in the Chinese utility model patent application disclosure CN218828758U adopts a three-phase integrated form through a contact box, and a static contact can be installed on the contact box, or can be formed together by die-casting or casting. This device adopts a round tubular busbar to reduce the use of copper materials; the end face is directly connected to the static contact, or connected to multiple tubular busbars through an upper connecting block and a lower connecting block to achieve large current parallel application, simple connection, low resistance, and low heat generation. It solves the problem that the current air-insulated switchgear uses a rectangular busbar, the rectangular busbar is affected by electromagnetic interference, the current tends to the busbar surface, and the current density is low. However, the installation process of the existing tubular busbar is relatively complicated, and the stability is not strong enough, and it is easy to detach. Utility Model Content

[0004] The utility model aims to provide a connection structure of a tubular busbar to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a connection structure of a tubular busbar, comprising:

[0006] A tubular busbar, wherein a first connection block is fixedly connected to a side surface of the tubular busbar, a second connection block is fixedly connected to a side of the tubular busbar away from the first connection block, a mounting block is fixedly connected to an outer surface of the second connection block, a mounting groove is provided on the outer surface of the first connection block, and the outer surface of the mounting block is slidably connected to the mounting groove;

[0007] The outer surfaces of the tubular busbar are fixedly connected with fixing blocks on both sides, the inner threads of the fixing blocks are connected with bidirectional threaded rods, the outer surfaces of the bidirectional threaded rods are fixedly connected with rotating handles, and the two ends of the bidirectional threaded rods are threaded with nuts.

[0008] Preferably, the outer surface of the nut is in contact with the fixing block, and the nut can limit the bidirectional threaded rod and the fixing block so that the two will not be separated.

[0009] Preferably, an insulating sheet is provided on the outer surface of the second connecting block, and the material of the insulating sheet is polytetrafluoroethylene.

[0010] Preferably, the outer surface of the insulating sheet is in contact with the first connecting block, and the insulating sheet can prevent the internal circuit from leaking out.

[0011] Preferably, a thread groove is provided on the outer surface of the insulating sheet, and a rotating block is rotatably connected inside the second connecting block.

[0012] Preferably, a limiting block is fixedly connected to the outer surface of the rotating block, and the limiting block can limit the rotating block to prevent the rotating block from being separated from the second connecting block.

[0013] Preferably, a threaded block is fixedly connected to a surface of the limiting block away from the rotating block, and an outer surface of the threaded block is threadedly connected to a thread groove, so as to facilitate installation and replacement of the insulating sheet.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The connection structure of the tubular busbar is characterized by providing a fixing block on the outer surface of the tubular busbar. The two fixing blocks can be simultaneously moved toward the middle under the drive of the bidirectional threaded rod, thereby driving the installation block to be inserted into the installation groove to complete the connection and installation of the tubular busbar, thereby increasing the stability during connection and avoiding the occurrence of problems such as separation;

[0016] (2) The connection structure of the tubular busbar is provided with an insulating sheet on one side of the second connection block. When connected, the insulating sheet can prevent the circuit inside the tubular busbar from being exposed, thereby increasing safety. The threaded block can be detached from the insulating sheet by rotating the rotating block, thereby facilitating installation and replacement, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a structural schematic diagram of the tubular busbar of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the connection structure between the second connection block and the insulating sheet of the utility model.

[0021] In the figure: 1. tubular busbar; 2. first connecting block; 3. second connecting block; 4. mounting groove; 5. mounting block; 6. fixing block; 7. bidirectional threaded rod; 8. rotating handle; 9. nut; 10. insulating sheet; 11. threaded groove; 12. rotating block; 13. limiting block; 14. threaded block. DETAILED DESCRIPTION

[0022] 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. 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.

[0023] See also Figure 1-4 The utility model provides an embodiment: a connection structure of a tubular busbar, comprising a tubular busbar 1, a first connection block 2 is fixedly connected to the side surface of the tubular busbar 1, a second connection block 3 is fixedly connected to a side of the tubular busbar 1 away from the first connection block 2, a mounting block 5 is fixedly connected to the outer surface of the second connection block 3, a mounting groove 4 is provided on the outer surface of the first connection block 2, an outer surface of the mounting block 5 is slidably connected to the mounting groove 4, and the mounting block 5 can be inserted into the interior of the mounting groove 4.

[0024] Fixed blocks 6 are fixedly connected to both sides of the outer surface of the tubular busbar 1. The two fixed blocks 6 are convenient for connecting the two tubular busbars 1. There are four fixed blocks 6 on the surface of the tubular busbar 1, which are respectively located on the upper and lower sides of the tubular busbar 1. The internal threads of the fixed blocks 6 are connected with bidirectional threaded rods 7. The rotation of the bidirectional threaded rods 7 can make the two fixed blocks 6 drive the two tubular busbars 1 to be continuously close to each other, thereby increasing the stability of the connection and preventing problems such as separation. A rotating handle 8 is fixedly connected to the outer surface of the bidirectional threaded rod 7. Nuts 9 are threadedly connected to both ends of the bidirectional threaded rod 7. The outer surface of the nut 9 is in contact with the fixed block 6. The nut 9 can limit the bidirectional threaded rod 7 and the fixed block 6 so that the two will not separate.

[0025] An insulating sheet 10 is provided on the outer surface of the second connecting block 3. The insulating sheet 10 is made of polytetrafluoroethylene. The outer surface of the insulating sheet 10 contacts the first connecting block 2. The insulating sheet 10 can prevent the internal circuit from leaking out. A threaded groove 11 is provided on the outer surface of the insulating sheet 10.

[0026] The second connecting block 3 is internally rotatably connected to a rotating block 12, and the outer surface of the rotating block 12 is fixedly connected to a limiting block 13. The limiting block 13 can limit the rotating block 12 to prevent the rotating block 12 from being separated from the second connecting block 3. The side of the limiting block 13 away from the rotating block 12 is fixedly connected to a threaded block 14, and the outer surface of the threaded block 14 is threadedly connected to the thread groove 11, which is convenient for installing and replacing the insulating sheet 10.

[0027] When the embodiment of the present application is in use: the interfaces of the two tubular busbars 1 are placed together, and then the bidirectional threaded rod 7 is placed between the two fixed blocks 6. The rotating handle 8 is rotated to drive the bidirectional threaded rod 7 to rotate, so that the two fixed blocks 6 move toward the middle at the same time, and the mounting block 5 is inserted into the mounting groove 4, thereby driving the two tubular busbars 1 to be connected to each other, completing the connection of the two groups of tubular busbars 1.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A connection structure of a tubular busbar, characterized in that: include: A tubular busbar (1), wherein a first connection block (2) is fixedly connected to a side surface of the tubular busbar (1), a second connection block (3) is fixedly connected to a side of the tubular busbar (1) away from the first connection block (2), a mounting block (5) is fixedly connected to an outer surface of the second connection block (3), a mounting groove (4) is provided on the outer surface of the first connection block (2), and an outer surface of the mounting block (5) is slidably connected to the mounting groove (4); The outer surfaces of the tubular busbar (1) are fixedly connected with fixing blocks (6), the inner threads of the fixing blocks (6) are connected with bidirectional threaded rods (7), the outer surfaces of the bidirectional threaded rods (7) are fixedly connected with rotating handles (8), and the two ends of the bidirectional threaded rods (7) are connected with nuts (9) by threading.

2. The connection structure of a tubular busbar according to claim 1, characterized in that: The outer surface of the nut (9) is in contact with the fixing block (6).

3. The connection structure of a tubular busbar according to claim 1, characterized in that: An insulating sheet (10) is provided on the outer surface of the second connecting block (3).

4. The connection structure of a tubular busbar according to claim 3, characterized in that: The outer surface of the insulating sheet (10) is in contact with the first connecting block (2).

5. The connection structure of a tubular busbar according to claim 3, characterized in that: The outer surface of the insulating sheet (10) is provided with a thread groove (11), and the interior of the second connecting block (3) is rotatably connected to a rotating block (12).

6. The connection structure of a tubular busbar according to claim 5, characterized in that: The outer surface of the rotating block (12) is fixedly connected to a limiting block (13).

7. The connection structure of a tubular busbar according to claim 6, characterized in that: A threaded block (14) is fixedly connected to a surface of the limiting block (13) away from the rotating block (12), and an outer surface of the threaded block (14) is threadedly connected to the thread groove (11).

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