Communication support for separating multiple cables and double-row cable support

By setting up a multi-cable separation communication bracket in the substation mezzanine and using low-voltage and high-voltage support arm separation groove box made of I-shaped steel, the problems of cable laying difficulty and fire risk are solved, and the layered laying of high and low-voltage cables are realized, improving cable safety.

CN223285515UActive Publication Date: 2025-08-29ZHUHAI HUACHENG ELECTRIC POWER DESIGN INST CO LTD
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Patent Information

Application Number
CN202422003936.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-08-29
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

In the prior art, when the cable bracket in the substation mezzanine is set to be double-row, it is difficult to lay the cable. The intersection of high-voltage cables and low-voltage cables can easily suppress the fire trough box, affecting operation and maintenance, and easily leading to fire accidents.

Method used

A multi-cable separation communication bracket is designed, including a low-voltage laying support arm and a high-voltage laying support arm, which is used to separate the high-voltage cables. The material of the connecting frame is I-shaped steel, and the spacing between the support arms is 130cm to 200cm. The partition groove box is installed to realize the layered laying of the cable.

Benefits of technology

Layered laying of high and low voltage cables is realized to avoid high voltage cable heating damage to low voltage cable insulation, reduce fire accidents, and improve cable safety.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a communication support for separating multiple cables and a double-row cable support, the double-row cable support comprises stand columns which are arranged in parallel, the communication support for separating the cables is arranged between the two stand columns, the communication support for separating the multiple cables comprises a plurality of communication support bodies, a plurality of low-voltage laying support arms for laying low-voltage cables are arranged at the upper end of the communicating frame body, and high-voltage laying support arms for laying high-voltage cables are arranged at the lower end of the communicating frame body. The communication support for separating multiple cables is arranged between the two stand columns, and then low-voltage cables and high-voltage cables between the double rows of cable supports are separately laid through the low-voltage laying supporting arms and the high-voltage laying supporting arms, so that the high-voltage cables and the low-voltage cables do not interfere with each other and are laid in an up-and-down layered mode; the cable can effectively prevent the high-voltage cable and the large-section cable from heating to damage the insulation of the low-voltage cable, thereby further preventing a loop fault or directly causing a short-circuit fire and a fire accident, and greatly improving the safety of the cable.
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Description

Technical Field

[0001] The utility model relates to the technical field of cable supports, in particular to a connecting support for separating multiple cables and a double-row cable support. Background Art

[0002] As power grid construction gradually improves, the number of conventional substations increases. The safe operation of substations has received widespread attention, especially fire prevention. Cable laying is of particular concern.

[0003] The cable supports in the mezzanine of a conventional substation are all arranged in double rows, and fireproof trough boxes are mainly used to achieve the separate laying of cables of different types and voltage levels in the cable supports. However, for the connection points of the supports, since more fireproof trough boxes are required for separate laying, there will be a phenomenon of blocking the cable laying, resulting in greater difficulty in laying; and the intersection of high-voltage cables and low-voltage cables is also prone to pressing the fireproof trough boxes, which is inconvenient for operation and maintenance. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a connecting bracket for separating multiple cables and a double-row cable bracket.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A connecting bracket for separating multiple cables is used for laying cables at the connection points between double-row cable brackets. It includes multiple connecting frames, the upper ends of the connecting frames are provided with multiple low-voltage laying arms for laying low-voltage cables, and the lower ends of the connecting frames are provided with high-voltage laying arms for laying high-voltage cables. The low-voltage cables between the double-row cable brackets are laid and connected through the low-voltage laying arms, and the high-voltage cables between the double-row cable brackets are laid and connected through the high-voltage laying arms.

[0007] In the above-mentioned connecting bracket for separating multiple cables, a plurality of low-voltage laying supporting arms are arranged in an intermittent manner from top to bottom.

[0008] In the above-mentioned connecting bracket for separating multiple cables, the distance between the low-voltage laying support arm and the high-voltage laying support arm at the lowest point is L, wherein the numerical range of L is: 130cm≤L≤200cm.

[0009] In the above-mentioned connecting bracket for separating multiple cables, a plurality of connecting brackets are arranged along the vertical connection line between the double-row cable brackets.

[0010] In the above-mentioned connecting bracket for separating multiple cables, the connecting bracket body is made of I-beam.

[0011] As described above, a connecting bracket for separating multiple cables, a separation trough box is also installed on the low-voltage laying support arm.

[0012] The present application also discloses a double-row cable bracket, comprising columns arranged side by side with each other, with the above-mentioned multi-cable separation connecting bracket provided between the two columns, wherein the low-voltage cables and high-voltage cables between the two columns are respectively laid separately by the multi-cable separation connecting bracket.

[0013] In the double-row cable support as described above, a plurality of cable support arms for laying low-voltage cables and high-voltage cables are arranged on the columns.

[0014] In the double-row cable support as described above, the cable support arm includes a low-voltage laying area and a high-voltage laying area respectively arranged on both sides of the column.

[0015] In the double-row cable support as described above, a separation trough box is further installed on the low-voltage laying area.

[0016] The beneficial effect of the present invention is that a connecting bracket for separating multiple cables is set between the two columns, and then the low-voltage cables and high-voltage cables between the double-row cable brackets are separated and laid through the low-voltage laying support arm and the high-voltage laying support arm respectively, so that the high and low voltage cables do not interfere with each other and are laid in layers up and down, which can effectively prevent the high-voltage cables and large-section cables from heating up and damaging the insulation of the low-voltage cables, thereby causing loop failures or directly causing short circuits and fires, and fire accidents, thereby greatly improving the safety of the cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 This is a plan view of a double-row cable bracket according to an embodiment of the present utility model.

[0019] Figure 2 for Figure 1 Schematic diagram of the cross section in the AA direction. DETAILED DESCRIPTION

[0020] The technical solution of the present utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0021] See Figure 1 and Figure 2As shown, an embodiment of the present application provides a double-row cable bracket, including columns 100 arranged parallel to each other, and a connecting bracket for separating multiple cables is provided between the two columns 100, wherein the low-voltage cables and high-voltage cables between the two columns 100 are respectively laid separately by the connecting bracket for separating multiple cables.

[0022] The connecting bracket for multi-cable separation includes multiple connecting frames 1, and the upper end of the connecting frame 1 is provided with multiple low-voltage laying arms 2 for laying low-voltage cables, and the lower end of the connecting frame 1 is provided with a high-voltage laying arm 3 for laying high-voltage cables, wherein the low-voltage cables between the double-row cable brackets are laid and connected through the low-voltage laying arm 2, and the high-voltage cables between the double-row cable brackets are laid and connected through the high-voltage laying arm 3.

[0023] By setting up a connecting bracket for separating multiple cables between the two columns 100, and then separating and laying the low-voltage cables and high-voltage cables between the double-row cable brackets through the low-voltage laying support arm 2 and the high-voltage laying support arm 3 respectively, the high and low voltage cables do not interfere with each other and are laid in layers up and down, which can effectively prevent the high-voltage cables and large-section cables from heating up and damaging the insulation of the low-voltage cables, thereby causing circuit failure or directly causing short circuit fire, and fire accidents, thereby greatly improving cable safety.

[0024] Furthermore, a plurality of the low-voltage laying support arms 2 are arranged at intervals from top to bottom.

[0025] Specifically, the distance between the lowest low-voltage laying support arm 2 and the highest-voltage laying support arm 3 is L, wherein the value range of L is: 130 cm ≤ L ≤ 200 cm. To facilitate cross-over inspections by maintenance personnel, in this embodiment, preferably, the value of L is 150 cm.

[0026] Furthermore, a plurality of connecting frames 1 are arranged along the vertical connection line between the double-row cable supports, which can shorten the installation distance of the connecting frames 1 and facilitate the laying of cables.

[0027] Specifically, the connecting frame 1 is made of I-beam.

[0028] Furthermore, a separation slot box 4 is installed on the low-voltage laying bracket 2. By providing the separation slot box 4, the low-voltage cables can be further separated without affecting the overall cable laying, which can better realize the separation and laying of each cable, further ensure the practical safety of the cable, and greatly reduce the occurrence of accidental fire accidents.

[0029] Furthermore, a plurality of cable supports 5 for laying low-voltage cables and high-voltage cables are arranged on the column 100 .

[0030] Specifically, the cable support arm 5 includes a low-voltage laying area 51 and a high-voltage laying area 52 respectively provided on both sides of the column 100. Low-voltage cables and high-voltage cables are laid respectively in the low-voltage laying area 51 and the high-voltage laying area 52, which is practical and convenient.

[0031] Furthermore, a separation trough box 4 is installed on the low-voltage laying area 51. By providing the separation trough box 4, the low-voltage cables can be further separated without affecting the overall cable laying, which can better realize the separation and laying of each cable, further ensure the practical safety of the cables, and greatly reduce the occurrence of accidental fire accidents.

[0032] To sum up, for many types of power stations with cable mezzanines, the use of a multi-cable separation connecting bracket and a double-row cable bracket in the present application to lay cables can well achieve the separated laying of high-voltage cables (conventionally 10kV), power (AC) current, control (DC) cables, network cables, optical cables, etc., and can effectively avoid the heating of high-voltage cables and large-section cables damaging the insulation of low-voltage cables, thereby causing circuit failures or directly causing short circuits and fires, resulting in fire accidents.

[0033] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure made using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A multi-cable connecting bracket for separating cables, used for laying cables at the connecting points between double-row cable brackets, characterized in that: The invention comprises a plurality of connecting frames (1), wherein the upper end of the connecting frames (1) is provided with a plurality of low-voltage laying supports (2) for laying low-voltage cables, and the lower end of the connecting frames (1) is provided with a high-voltage laying supports (3) for laying high-voltage cables, wherein the low-voltage cables between the double-row cable supports are laid and connected via the low-voltage laying supports (2), and the high-voltage cables between the double-row cable supports are laid and connected via the high-voltage laying supports (3).

2. A multi-cable separation connecting bracket according to claim 1, characterized in that: A plurality of the low-voltage laying supporting arms (2) are arranged at intervals from top to bottom.

3. A multi-cable separation connecting bracket according to claim 2, characterized in that: The distance between the lowest low-voltage laying support arm (2) and the high-voltage laying support arm (3) is L, wherein the value range of L is: 130cm≤L≤200cm.

4. The connecting bracket for separating multiple cables according to claim 1, characterized in that: A plurality of connecting frames (1) are arranged along a vertical connection line between the double-row cable supports.

5. The connecting bracket for separating multiple cables according to claim 1, characterized in that: The connecting frame (1) is made of I-beam.

6. The connecting bracket for separating multiple cables according to claim 1, characterized in that: A separation slot box (4) is also installed on the low-voltage laying support arm (2).

7. A double-row cable support, characterized in that: The invention comprises columns (100) arranged in parallel with each other, wherein a connecting bracket for separating multiple cables as claimed in any one of claims 1 to 6 is provided between the two columns (100), wherein the low-voltage cables and the high-voltage cables between the two columns (100) are separately laid through the connecting bracket for separating multiple cables.

8. The double-row cable support according to claim 7, characterized in that: A plurality of cable support arms (5) for laying low-voltage cables and high-voltage cables are also arranged on the upright column (100).

9. The double-row cable support according to claim 8, characterized in that: The cable support arm (5) comprises a low-voltage laying area (51) and a high-voltage laying area (52) respectively arranged on both sides of the column (100).

10. The double-row cable support according to claim 9, characterized in that: A separation slot box (4) is also installed on the low-voltage laying area (51).