CN214479413U

CN214479413U - Special dense bus for low-voltage cable branch box

Info

Publication number: CN214479413U
Application number: CN202120278084.0U
Authority: CN
Inventors: 孙家国; 杨永清
Original assignee: Jiangsu Gemhot Electric Co ltd
Current assignee: Jiangsu Guoming Haochen Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-22
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a special dense bus for a low-voltage cable branch box, which comprises a fixed bracket, a casting insulation shell, an incoming bus, an outgoing bus and a horizontal bus; the fixed support is detachably arranged outside the casting insulating shell, a horizontal bus is embedded in the casting insulating shell, a plurality of inverted U-shaped welding grooves are formed below the horizontal bus, and the incoming bus and the outgoing bus are welded with the horizontal bus through the inverted U-shaped welding grooves; the dense bus is detachably connected with the low-voltage cable branch box through the fixing support. The whole structure is simple, the volume is small, the influence of deposited dust is not easy to happen, and multi-path expansion is supported.

Description

Special dense bus for low-voltage cable branch box

Technical Field

The utility model belongs to the technical field of the low tension cable feeder pillar, concretely relates to special intensive generating line of low tension cable feeder pillar.

Background

With the rapid development of the modernization construction industry of the power industry, the transformation of a power grid is started in all directions. When the main cable needs to realize multi-loop branch power distribution at a certain distance, the cable branch box is adopted as important corollary equipment for power distribution, and the method is economical, convenient and safe. The cable branch box is only used for cable branch, and the main function of the cable branch box is to tap or transfer cables, and the cable branch box mainly plays a role in cable tapping and cable transferring. The existing cable branch box in the industry is installed on a cabinet body frame by adopting a copper bar, air is insulated, condensation exists, and deposited dust influences the electricity utilization safety; in addition, the air insulation and bolt connection are large in size, so that the miniaturization is not facilitated. Therefore, the dense bus bar special for the low-voltage cable branch box has the advantages of simple structure, flexible volume and low possibility of being influenced by deposited dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special intensive generating line of low tension cable feeder pillar, simple structure, it is small, be difficult for receiving the deposit dust influence, support the multichannel extension.

The utility model provides a following technical scheme:

a dense bus special for a low-voltage cable branch box is characterized by comprising a fixed support, a casting insulation shell, an incoming bus, an outgoing bus and a horizontal bus; the fixed support is detachably arranged outside the casting insulating shell, a horizontal bus is embedded in the casting insulating shell, a plurality of inverted U-shaped welding grooves are formed below the horizontal bus, and the incoming bus and the outgoing bus are welded with the horizontal bus through the inverted U-shaped welding grooves; the dense bus is detachably connected with the low-voltage cable branch box through the fixing support.

Preferably, the fixed support comprises an upper support, a lower support and a side support, the upper side and the lower side of the side support are respectively connected with the upper support and the lower support, mounting holes are formed in the upper support and the lower support, and the dense bus is mounted on the low-voltage cable branch box through the mounting holes and bolts.

Preferably, the upper bracket, the lower bracket and the side bracket are connected with the cast insulation shell through bolts.

Preferably, the horizontal bus comprises an a-phase horizontal bus, a B-phase horizontal bus and a C-phase horizontal bus, the inverted U-shaped welding grooves are formed in the a-phase horizontal bus, the B-phase horizontal bus and the C-phase horizontal bus, and the lower support is provided with an opening matched with the inverted U-shaped welding grooves.

Preferably, the inlet wire generating line welding is in the one end of horizontal generating line, the inlet wire generating line has all the way, all the way the inlet wire generating line includes A looks inlet wire generating line, B looks inlet wire generating line and C looks inlet wire generating line, A looks inlet wire generating line B looks inlet wire generating line with C looks inlet wire generating line welds respectively on A looks horizontal generating line, B looks horizontal generating line with C looks horizontal generating line.

Preferably, the outgoing buses have one path or multiple paths, each path of outgoing bus comprises an A-phase outgoing bus, a B-phase outgoing bus and a C-phase outgoing bus, and the A-phase outgoing bus, the B-phase outgoing bus and the C-phase outgoing bus are respectively welded on the A-phase horizontal bus, the B-phase horizontal bus and the C-phase horizontal bus.

The utility model has the advantages that:

1. the casting insulation shell is directly adopted outside the horizontal bus, and the integral structure prevents condensation or dust from entering the bus to influence the electricity safety;

2. the incoming bus, the outgoing bus and the horizontal bus adopt an inverted U-shaped weld joint welding mode, the structure is simple, the connection is firm, and the quality is reliable;

3. the modular extensible design method of one incoming line and 1, 2, 3 or even N outgoing lines is adopted, so that the method can be suitable for various scene requirements;

4. the fixed support and the casting insulating shell are detachably connected through the bolts, so that the mounting, the dismounting and the overhauling are convenient, and the operation is simple and convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a side view of the B, C phase connection structure of the present invention.

Detailed Description

As shown in the figures, the dense bus special for the low-voltage cable branch box provided by the utility model comprises a fixed support 1, a casting insulation shell 2, an incoming bus, an outgoing bus and a horizontal bus 6; the fixed support 1 is detachably arranged outside the casting insulating shell 2, a horizontal bus 6 is embedded in the casting insulating shell 2, a plurality of inverted U-shaped welding grooves 7 are formed below the horizontal bus 6, and the incoming bus and the outgoing bus are welded with the horizontal bus 6 through the inverted U-shaped welding grooves 7; the dense bus is detachably connected with the low-voltage cable branch box through the fixing support 1.

The fixed support 1 comprises an upper support, a lower support and a side support, wherein the upper side and the lower side of the side support are respectively connected with the upper support and the lower support, mounting holes are formed in the upper support and the lower support, and the dense bus is mounted on the low-voltage cable branch box through the mounting holes and bolts; the upper support, the lower support and the side supports are connected with the cast insulation shell 2 through bolts.

The horizontal bus 6 comprises an A-phase horizontal bus 61, a B-phase horizontal bus 62 and a C-phase horizontal bus 63, inverted U-shaped welding grooves 7 are formed in the A-phase horizontal bus 61, the B-phase horizontal bus 62 and the C-phase horizontal bus 63, and openings matched with the inverted U-shaped welding grooves 7 are formed in the lower support.

The incoming line bus is welded at one end of the horizontal bus 6, the incoming line bus has one path, the incoming line bus comprises an A-phase incoming line bus 3, a B-phase incoming line bus 4 and a C-phase incoming line bus 5, and the A-phase incoming line bus 3, the B-phase incoming line bus 4 and the C-phase incoming line bus 5 are respectively welded on the A-phase horizontal bus 61, the B-phase horizontal bus 62 and the C-phase horizontal bus 63.

The outgoing buses are one or multiple paths, each path of outgoing bus comprises an A-phase outgoing bus 8, a B-phase outgoing bus 9 and a C-phase outgoing bus 10, and the A-phase outgoing bus 8, the B-phase outgoing bus 9 and the C-phase outgoing bus 10 are respectively welded on an A-phase horizontal bus 61, a B-phase horizontal bus 62 and a C-phase horizontal bus 63.

When the bus fixing device is used, the buses and the outgoing bus lines with different lengths and different numbers are selected according to different sizes and requirements of the low-voltage cable branch box, then the upper support and the lower support of the fixing support 1 are installed on the upper side and the lower side of the dense bus, the side supports of the fixing support 1 are respectively fixed on the casting insulator shell 2 of the dense bus, the upper support and the lower support, and finally the upper support and the lower support are sequentially fixed on the low-voltage cable branch box for use. Overall structure is simple, simple to operate, and the volume is nimble, supports digifax ization multichannel to be extended, and integrative casting insulating casing can not produce the condensation in guaranteeing the generating line, also can not receive the influence of deposit dust effect, firm in connection, safe and reliable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dense bus special for a low-voltage cable branch box is characterized by comprising a fixed support (1), a casting insulation shell (2), an incoming bus, an outgoing bus and a horizontal bus (6); the fixed support (1) is detachably arranged outside the casting insulating shell (2), a horizontal bus (6) is embedded in the casting insulating shell (2), a plurality of inverted U-shaped welding grooves (7) are formed below the horizontal bus (6), and the incoming bus and the outgoing bus are welded with the horizontal bus (6) through the inverted U-shaped welding grooves (7); the dense bus is detachably connected with the low-voltage cable branch box through the fixing support (1).

2. The dense bus bar special for the low-voltage cable branch box according to claim 1, wherein the fixing support (1) comprises an upper support, a lower support and side supports, the upper side and the lower side of each side support are respectively connected with the upper support and the lower support, mounting holes are formed in the upper support and the lower support, and the dense bus bar is mounted on the low-voltage cable branch box through the mounting holes and bolts.

3. The dense busbar special for the low-voltage cable branch box according to claim 2, wherein the upper bracket, the lower bracket and the side bracket are connected with the cast insulating shell (2) through bolts.

4. The special dense bus bar for the low-voltage cable branch box according to claim 2, wherein the horizontal bus bar (6) comprises an A-phase horizontal bus bar (61), a B-phase horizontal bus bar (62) and a C-phase horizontal bus bar (63), the A-phase horizontal bus bar (61), the B-phase horizontal bus bar (62) and the C-phase horizontal bus bar (63) are all provided with the inverted U-shaped welding groove (7), and the lower support is provided with an opening matched with the inverted U-shaped welding groove (7).

5. The special dense bus for the low-voltage cable branch boxes according to claim 4, wherein the incoming bus is welded at one end of the horizontal bus (6), the incoming bus has one path, the incoming bus comprises an A-phase incoming bus (3), a B-phase incoming bus (4) and a C-phase incoming bus (5), and the A-phase incoming bus (3), the B-phase incoming bus (4) and the C-phase incoming bus (5) are respectively welded on the A-phase horizontal bus (61), the B-phase horizontal bus (62) and the C-phase horizontal bus (63).

6. The dense bus bar special for the low-voltage cable branch box according to claim 4, wherein the outgoing bus bars are one or more, each outgoing bus bar comprises an A-phase outgoing bus bar (8), a B-phase outgoing bus bar (9) and a C-phase outgoing bus bar (10), and the A-phase outgoing bus bar (8), the B-phase outgoing bus bar (9) and the C-phase outgoing bus bar (10) are respectively welded on the A-phase horizontal bus bar (61), the B-phase horizontal bus bar (62) and the C-phase horizontal bus bar (63).