Concave copper bar mounting structure

Abstract

The utility model relates to the technical field of bus devices, in particular to a concave copper bar mounting structure, which comprises two bus clamps, the bus clamps comprise an upper bus clamp and a lower bus clamp, one side of each of the upper bus clamp and the lower bus clamp is provided with a first groove, and a clamping block is mounted between the upper bus clamp and the lower bus clamp. Fastening bolts penetrate through the interiors of the bus clamps and the clamping blocks from top to bottom, sleeves are arranged at the positions, between the bus clamps and the clamping blocks, of the exteriors of the fastening bolts, a busbar is inserted into the first groove between the two bus clamps, and the busbar is connected with the branch bar through a connecting piece. Busbars are respectively installed between the upper bus clamp and the clamping blocks and between the lower bus clamp and the clamping blocks, lap joint is carried out through the corresponding first grooves and notches, the number of the clamping blocks is changed, and then the bus fixing device adapts to different single-row, double-row or three-row bus forms for fixing, lap joint surfaces between the buses can be reduced, and the bus fixing efficiency is improved. And the busbars are connected with the branch bars through the connecting pieces, so that a single-bar, double-bar and three-bar structure which is actually required is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar devices, in particular to a concave copper busbar installation structure. Background Art

[0002] Busbars are used to transmit high-current electrical energy in power plants, distribution stations and industrial facilities. Busbar clamps are used to connect busbars to switchgear, circuit breakers or other electrical equipment, and busbars need to be connected to branch bars, which include distribution switches, circuit breakers, fuses, contactors and other electrical components to distribute electricity safely to the required locations. Therefore, the busbar copper bar needs to be stably installed.

[0003] The copper busbar in the prior art 202221322228.9 includes an upper clamping block and a lower clamping block that are matched in pairs. The upper clamping block is provided with three upper grooves with openings facing downward, and the lower clamping block is provided with three lower grooves with openings facing upward. Each upper groove and a corresponding lower groove cooperate with each other to form a rectangular through hole. There are three rectangular through holes in total, and the three rectangular through holes are arranged horizontally from left to right.

[0004] The above structure uses the upper clamp and the lower clamp to fix the busbar. However, since the busbars are single-row, double-row, and triple-row, there are too many overlapping surfaces between the busbars, and thus it is impossible to install according to different busbar forms. Utility Model Content

[0005] In view of this, the purpose of the utility model is to propose a concave copper busbar installation structure to solve the problem that due to the existence of single-row, double-row and triple-row busbars, there are too many overlapping surfaces between the busbars, and thus it is impossible to install according to different busbar forms.

[0006] Based on the above purpose, the utility model provides a concave copper busbar installation structure, including two busbar clamps, the busbar clamps include an upper busbar clamp and a lower busbar clamp, one side of the upper busbar clamp and the lower busbar clamp is provided with a first groove, and a clamping block is installed between the upper busbar clamp and the lower busbar clamp, the inside of the busbar clamp and the clamping block is penetrated from top to bottom by fastening bolts, and the outside of the fastening bolts is provided with a sleeve between the busbar clamp and the clamping block;

[0007] A mirror-image zero line clamp is installed on one side of the busbar clamp, a second groove is provided on the opposite surface of the adjacent zero line clamp, and a connecting bolt penetrates the inside of the zero line clamp from top to bottom;

[0008] A busbar is inserted into the first groove between the two busbar clamps, and the busbar is connected to the branch bar via a connecting piece.

[0009] Preferably, notches are provided on both the upper and lower sides of the clamping block, and the clamping block and the sleeve are both made of insulating material;

[0010] The busbar clamp and the clamp block are both provided with round holes adapted to the bushing;

[0011] Preferably, at least three groups of the first grooves are provided, and the first grooves and the notches are arranged correspondingly in upper and lower parts.

[0012] Preferably, the notch in the clamping block and the tops of the first groove and the second groove are all rounded;

[0013] The busbar clamp and the neutral line clamp are arranged perpendicular to each other.

[0014] Preferably, the connecting member comprises a T-bolt, a gasket is sleeved on the outside of the T-bolt, a nut is threadedly connected to one end of the T-bolt, and a spring washer is provided on one side of the nut.

[0015] Preferably, an opening is provided on one side of the busbar, one end of the T-bolt is clamped in the opening, and the other end of the T-bolt is connected to the branch busbar.

[0016] Beneficial effects of the utility model:

[0017] The busbars are respectively installed between the upper busbar clamp and the clamping block, and between the lower busbar clamp and the clamping block. They are overlapped through corresponding first grooves and notches, and the number of clamping blocks is changed to adapt to different single-row, double-row or triple-row busbar forms for fixation. The overlapping surface between the busbars can be reduced, and the busbar and the branch bar are connected through the connecting piece. The installation is simple, and the single-row, double-row and triple-row structures required in practice can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the busbar clamp of the utility model;

[0020] Figure 2 This is a schematic diagram of a single-row structure of a busbar clamp of the utility model;

[0021] Figure 3 This is a schematic diagram of the installation structure of the busbar copper bar and the equipment of the utility model;

[0022] Figure 4 This is a schematic diagram of the side view installation structure of the busbar copper bar and the equipment of the utility model;

[0023] Figure 5It is a structural schematic diagram of the connecting piece of the utility model.

[0024] The markings in the figure are: 1. busbar clamp; 2. clamp block; 3. first groove; 4. notch; 5. bushing; 6. fastening bolt; 7. neutral wire clamp; 8. second groove; 9. connecting bolt; 10. upper busbar clamp; 11. lower busbar clamp; 12. busbar; 13. connecting piece; 14. T-bolt; 15. gasket; 16. nut; 17. spring washer; 18. cabinet. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a concave copper bar installation structure includes two busbar clamps 1, the busbar clamp 1 includes an upper busbar clamp 10 and a lower busbar clamp 11, a first groove 3 is opened on one side of the upper busbar clamp 10 and the lower busbar clamp 11, and a clamp block 2 is installed between the upper busbar clamp 10 and the lower busbar clamp 11, and a fastening bolt 6 is penetrated from top to bottom inside the busbar clamp 1 and the clamp block 2, and a sleeve 5 is arranged outside the fastening bolt 6 between the busbar clamp 1 and the clamp block 2;

[0027] A mirror-image neutral line clamp 7 is installed on one side of the busbar clamp 1, a second groove 8 is provided on the opposite surface of the adjacent neutral line clamp 7, and a connecting bolt 9 is passed through the interior of the neutral line clamp 7 from top to bottom;

[0028] A busbar 12 is inserted into the first groove 3 between the two busbar clamps 1 , and the busbar 12 is connected to the branch bar via a connector 13 .

[0029] In this embodiment, the busbar 12 is respectively installed between the upper busbar clamp 10 and the clamp block 2, and between the lower busbar clamp 11 and the clamp block 2, and overlapped by corresponding first grooves 3 and notches 4, and the number of clamp blocks 2 is changed to adapt to different single-row, double-row or triple-row busbar forms for fixation. After fixation, the busbar clamp 1 is installed in the cabinet 18 using the fastening bolts 6, and the neutral line clamp 7 is installed in the cabinet 18 by connecting bolts 9, so as to reduce the overlap surface between the busbars, and the busbar 12 is connected to the branch bus through the connector 13.

[0030] As an implementation method, Figure 1 As shown, notches 4 are provided on both the upper and lower sides of the clamp block 2, and the clamp block 2 and the sleeve 5 are both made of insulating materials;

[0031] The busbar clamp 1 and the clamp block 2 are both provided with round holes adapted to the bushing 5;

[0032] In this embodiment, the insulation is achieved by using the concave-convex notch 4 in the middle of the clamping block 2 and the insulating sleeve 5 in the fixing part of the fastening bolt 6 .

[0033] As an implementation method, Figure 1 As shown, at least three groups of first grooves 3 are provided, and the first grooves 3 and the notches 4 are arranged correspondingly up and down.

[0034] In this embodiment, the busbars 12 are fixed by the first grooves 3 and the notches 4, so that the overlapping surfaces between the busbars 12 can be reduced. Meanwhile, the heat dissipation condition is improved due to the reduced overlapping surfaces.

[0035] As an implementation method, Figure 1 , Figure 2 As shown, the notch 4 opened in the clamp block 2 and the tops of the first groove 3 and the second groove 8 are all rounded;

[0036] The busbar clamp 1 and the neutral line clamp 7 are arranged perpendicular to each other.

[0037] In this embodiment, the rounded corners are provided to avoid damage to the exterior of the busbar 12 and the branch bar, and the busbar clamp 1 and the neutral line clamp 7 are perpendicular to each other, so the current distribution is relatively uniform.

[0038] As an implementation method, Figure 3 , Figure 4 and Figure 5 As shown, the connecting member 13 includes a T bolt 14 , a gasket 15 is sleeved on the outside of the T bolt 14 , a nut 16 is threadedly connected to one end of the T bolt 14 , and a spring washer 17 is provided on one side of the nut 16 .

[0039] In this embodiment, the busbar 12 is connected to the branch bar and fixed with a special T bolt 14. During installation, as long as the T bolt 14 is connected to the busbar 12, the branch bar is installed on this basis and then fastened by the combination of the nut 16 and the spring washer 17;

[0040] The busbar 12 can be ensured to be neat and standardized, and there is no need to drill fixed installation holes for the branch bars. The branch bars can be overlapped and fixedly installed at any position in the horizontal direction of the busbar 12.

[0041] As an implementation method, Figure 3 , Figure 4 As shown, an opening is provided on one side of the busbar 12, one end of a T-bolt 14 is clamped in the opening, and the other end of the T-bolt 14 is connected to the branch bar.

[0042] In this embodiment, an opening is left in the middle of the busbar 12, and a special T-bolt 14 is used. During installation, the T-bolt 14 can be inserted as long as it is level with the opening surface of the busbar 12. After insertion, the T-bolt 14 is rotated to a vertical position and then fixed with a nut 16 and a spring washer 17.

[0043] Working principle: When in use, the busbar 12 is installed between the upper busbar clamp 10 and the clamp block 2, and between the lower busbar clamp 11 and the clamp block 2, respectively, and overlapped through the corresponding first grooves 3 and notches 4, and the number of clamp blocks 2 is changed to adapt to different single-row, double-row or triple-row busbar forms for fixing. After fixing, the fastening bolts 6 in the busbar clamp 1 are used to install it in the cabinet 18, and the neutral line clamp 7 is installed in the cabinet 18 through the connecting bolts 9;

[0044] When the busbar 12 is connected to the branch bar, a special T-bolt 14 is used. An opening is left in the middle of the busbar 12. During installation, the T-bolt 14 can be inserted as long as it is level with the opening surface of the busbar 12. After insertion, the T-bolt 14 is rotated to a vertical position and then fixed with a nut 16 and a spring washer 17.

[0045] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0046] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A concave copper busbar installation structure, comprising two busbar clamps (1), characterized in that: The busbar clamp (1) comprises an upper busbar clamp (10) and a lower busbar clamp (11), one side of each of the upper busbar clamp (10) and the lower busbar clamp (11) is provided with a first groove (3), and a clamp block (2) is installed between the upper busbar clamp (10) and the lower busbar clamp (11), a fastening bolt (6) is passed through the inside of the busbar clamp (1) and the clamp block (2) from top to bottom, and a sleeve (5) is arranged outside the fastening bolt (6) between the busbar clamp (1) and the clamp block (2); a zero line clamp (7) arranged in a mirror image is installed on one side of the busbar clamp (1), a second groove (8) is provided on the opposite surface of the adjacent zero line clamp (7), and a connecting bolt (9) is passed through the inside of the zero line clamp (7) from top to bottom; a busbar (12) is inserted into the first groove (3) between the two busbar clamps (1), and the busbar (12) is connected to the branch bar via a connecting piece (13).

2. A concave copper busbar installation structure according to claim 1, characterized in that: The clamp block (2) is provided with slots (4) on both the upper and lower sides; the clamp block (2) and the bushing (5) are both made of insulating material; and the busbar clamp (1) and the clamp block (2) are both provided with round holes that match the bushing (5).

3. A concave copper busbar installation structure according to claim 2, characterized in that: At least three groups of the first grooves (3) are provided, and the first grooves (3) and the notches (4) are arranged in correspondence with each other up and down.

4. A concave copper busbar installation structure according to claim 3, characterized in that: The notch (4) provided in the clamp block (2) and the tops of the first groove (3) and the second groove (8) are all rounded; the busbar clamp (1) and the neutral line clamp (7) are arranged perpendicular to each other.

5. A concave copper busbar installation structure according to claim 1, characterized in that: The connecting member (13) comprises a T-bolt (14), a gasket (15) is sleeved on the outside of the T-bolt (14), a nut (16) is threadedly connected to one end of the T-bolt (14), and a spring washer (17) is provided on one side of the nut (16).

6. A concave copper busbar installation structure according to claim 5, characterized in that: An opening is provided on one side of the busbar (12), one end of the T bolt (14) is clamped in the opening, and the other end of the T bolt (14) is connected to the branch busbar.

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