Fireproof cable bridge

By using fire-resistant components and adjustment mechanisms in the cable tray, the problem of unstable cable tangling and installation in traditional cable trays is solved, and the separation and fixation of the cables and the height adjustment of the bridge tray is achieved, which improves the fire resistance and installation stability.

CN222851956UActive Publication Date: 2025-05-09HEBEI RUISHUO ELECTRIC POWER EQUIPMENT CO LTD

Patent Information

Application Number
CN202421795237.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-09
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The cables inside traditional cable trays are easily entangled with each other, increasing the risk of short circuits and inconvenient to adjust the installation height and stability.

Method used

A refractory cable tray is designed, using outer steel plates, refractory components, alumina refractory coating, upper and lower fixing rings and adjustment mechanisms. Through the settings and connections of these components, the separation fixation of the cable and the height adjustment of the bridge are achieved.

Benefits of technology

It effectively avoids the risk of short circuit caused by the interentry of cables, improves the fire resistance and installation stability of the cable tray, reduces the probability of cable fire, and improves the fire resistance in the event of accidental fire.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fire-resistant cable bridge, which relates to the field of cable bridges and comprises an outer-layer steel plate, a fire-resistant component is sleeved in the outer-layer steel plate, an aluminum oxide fire-resistant coating is fixedly arranged in the fire-resistant component, a lower fixing ring is fixedly mounted on the inner bottom wall of the aluminum oxide fire-resistant coating, and a lower fixing ring is fixedly mounted on the inner bottom wall of the aluminum oxide fire-resistant coating. And an upper fixing ring is rotationally arranged on the edge of the top surface of the lower fixing ring. According to the utility model, through the arrangement of the fireproof assembly, the upper fixing ring and the lower fixing ring, a plurality of cables are respectively arranged on the lower fixing ring, then the upper fixing ring is covered, the connecting bolts are screwed, and the upper fixing ring and the lower fixing ring are fixed, so that the plurality of cables are separated and fixed, and the cables are prevented from being mutually wound to easily cause short circuit and fire. The glass fiber plastic layer, the ceramic material layer and the aluminum oxide fire-resistant coating improve the fire resistance of the cable bridge, thereby achieving the effects of reducing the fire probability of the cable and improving the fire resistance when the cable is on fire accidentally.
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Description

Technical Field

[0001] The utility model relates to the technical field of cable bridges, in particular to a fire-resistant cable bridge. Background Art

[0002] Cable trays are divided into trough type, tray type, ladder type, grid type and other structures, and are composed of brackets, brackets and installation accessories. The cable trays in buildings can be erected independently or laid on various buildings (structures) and pipe gallery brackets.

[0003] In traditional cable trays, the cables laid inside are easily entangled with each other, increasing the risk of short circuits.

[0004] After searching the existing patents: a fire-resistant cable tray (publication number: CN218771023U). The utility model has a simple structure. The newly added muscovite board and partition can effectively improve the heat resistance, flame retardancy and electrical insulation of the entire cable tray; improve the overall strength of the tray; and improve the work efficiency of staff in daily maintenance and overhaul. It is worthy of promotion and application.

[0005] The fire-resistant cable tray is not convenient for separating and fixing the cables inside the cable tray. The cables are entangled with each other, which may cause a short circuit risk and lead to fire. In addition, it is not convenient to adjust the height and stability of the cable tray installation.

[0006] Therefore, it is necessary to invent a fire-resistant cable tray to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a fire-resistant cable tray to solve the problems raised in the above-mentioned background technology that it is inconvenient to separate and fix the cables inside the cable tray, the cables are entangled with each other, there is a risk of short circuit, resulting in fire, and in addition, it is not convenient to adjust the height and stability of the cable tray installation.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire-resistant cable tray, comprising an outer steel plate, a fire-resistant component is sleeved inside the outer steel plate, an alumina fire-resistant coating is fixedly provided inside the fire-resistant component, a lower fixing ring is fixedly installed on the inner bottom wall of the alumina fire-resistant coating, an upper fixing ring is rotatably provided on the edge of the top surface of the lower fixing ring, fixing rods are fixedly installed on both sides of the surface of the outer steel plate, an adjustment mechanism is slidably connected inside the fixing rods, a connecting rod is fixedly provided on the top of the adjusting mechanism, fixing plates are fixedly provided on both sides of the connecting rod, and a stabilizing mechanism is rotatably provided on the surface of the fixing plate.

[0009] Preferably, the fire-resistant component includes a glass fiber plastic layer sleeved on the inside of the outer steel plate, a ceramic material layer is sleeved on the inside of the glass fiber plastic layer, and the glass fiber plastic layer and the ceramic material layer are used to improve the fire resistance of the cable tray.

[0010] Preferably, a lower connecting plate is fixedly provided on one side of the lower fixing ring, and an upper connecting plate is fixedly provided on one side of the upper fixing ring. Connecting screw holes are fixedly provided on the surfaces of the lower connecting plate and the upper connecting plate. Connecting bolts are movably provided inside the connecting screw holes, and the connecting bolts are used to connect the upper fixing ring and the lower fixing ring.

[0011] Preferably, the adjustment mechanism comprises an adjustment rod slidably connected to the interior of the fixing rod, an adjustment screw hole is fixedly provided on the surface of the adjustment rod, an adjustment bolt is movably provided inside the adjustment screw hole, and the adjustment bolt is used to fix the adjustment rod.

[0012] Preferably, a limiting hole is fixedly provided on the top of the surface of the fixing rod, the limiting hole is adapted to the adjusting bolt, and the limiting hole is used to fix the adjusting bolt.

[0013] Preferably, the stabilizing mechanism includes a stabilizing rod rotatably arranged on the surface of a fixing plate, a stabilizing plate is fixedly arranged on the top of the stabilizing rod, stabilizing screw holes are fixedly arranged around the top surface of the stabilizing plate, and stabilizing screws are movably arranged inside the stabilizing screw holes, which are used to fix the stabilizing plate.

[0014] Preferably, a mounting plate is fixedly provided on the top of the connecting rod, mounting holes are fixedly provided around the top surface of the mounting plate, mounting screws are movably provided inside the mounting holes, and the number of upper fixing rings and lower fixing rings is three groups, and the three groups of upper fixing rings and lower fixing rings separate and fix the cables.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Through the setting of fire-resistant components, upper fixing rings and lower fixing rings, multiple cables are placed on the lower fixing rings respectively, and then the upper fixing rings are covered, and the connecting bolts are screwed to fix the upper fixing rings and the lower fixing rings, so that multiple cables are separated and fixed to avoid the cables from being entangled with each other, which may easily cause short circuits and fires. The glass fiber plastic layer, ceramic material layer and alumina fire-resistant coating improve the fire resistance of the cable tray, thereby reducing the probability of cable fires and improving the fire resistance in the event of an accidental fire.

[0017] 2. Through the setting of the adjustment mechanism and the stabilizing mechanism, pull the adjusting rod to make it slide inside the fixing rod, drive the outer steel plate to adjust the installation height. After the height is appropriate, turn the adjusting bolt to fix the adjusting rod, fix the connecting rod through the mounting plate, and then fix the stabilizing plate. The stabilizing rod improves the stability of the connecting rod, improves the stability and structural strength of the cable tray installation, and avoids loosening to affect the use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a fire-resistant cable bridge.

[0020] Figure 2 The utility model is a schematic diagram of the structure of a fire-resistant cable bridge stabilizing mechanism and an adjusting mechanism.

[0021] Figure 3 The utility model is a schematic diagram of the structure of a lower fixing ring and an upper fixing ring of a fire-resistant cable bridge.

[0022] Figure 4 The utility model is a schematic diagram of the structure of a fire-resistant component of a fire-resistant cable tray.

[0023] In the figure: 1. outer steel plate; 2. refractory component; 201. glass fiber plastic layer; 202. ceramic material layer; 3. alumina refractory coating; 4. lower fixing ring; 5. upper fixing ring; 6. fixing rod; 7. adjustment mechanism; 701. adjustment rod; 702. adjustment bolt; 8. connecting rod; 9. fixing plate; 10. stabilizing mechanism; 1001. stabilizing rod; 1002. stabilizing plate; 11. lower connecting plate; 12. upper connecting plate; 13. connecting bolt; 14. mounting plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-4 A fire-resistant cable tray is shown, comprising an outer steel plate 1, a fire-resistant component 2 is sleeved inside the outer steel plate 1, an alumina fire-resistant coating 3 is fixedly arranged inside the fire-resistant component 2, a lower fixing ring 4 is fixedly installed on the inner bottom wall of the alumina fire-resistant coating 3, an upper fixing ring 5 is rotatably arranged on the edge of the top surface of the lower fixing ring 4, and a plurality of cables are respectively placed on the lower fixing ring 4 through the arrangement of the fire-resistant component 2, the upper fixing ring 5 and the lower fixing ring 4, and then the upper fixing ring 5 is covered, and the connecting bolts 13 are screwed to fix the upper fixing ring 5 and the lower fixing ring 4, so that the plurality of cables are separated and fixed, and the cables are prevented from being entangled with each other, which may easily cause a short circuit and fire. The glass fiber plastic layer 201, the ceramic material layer 202 and the alumina fire-resistant coating 3 improve the fire resistance of the cable tray, thereby reducing the probability of cable fire. In the event of an accidental fire, in order to improve the fire resistance effect, fixing rods 6 are fixedly installed on both sides of the surface of the outer steel plate 1, and an adjusting mechanism 7 is slidably connected inside the fixing rod 6. A connecting rod 8 is fixedly arranged on the top of the adjusting mechanism 7, and fixing plates 9 are fixedly arranged on both sides of the connecting rod 8. A stabilizing mechanism 10 is rotatably arranged on the surface of the fixing plate 9. Through the setting of the adjusting mechanism 7 and the stabilizing mechanism 10, the adjusting rod 701 is pulled to slide inside the fixing rod 6, driving the outer steel plate 1 to adjust the installation height. After the height is appropriate, the adjusting bolt 702 is screwed to fix the adjusting rod 701, and the connecting rod 8 is fixed by the mounting plate 14, and then the stabilizing plate 1002 is fixed. The stabilizing rod 1001 improves the stability of the connecting rod 8, improves the stability and structural strength of the cable tray installation, and avoids loosening to affect the use.

[0026] The fire-resistant component 2 includes a glass fiber plastic layer 201 which is sleeved on the inside of the outer steel plate 1, and a ceramic material layer 202 is sleeved on the inside of the glass fiber plastic layer 201. Through the setting of the fire-resistant component 2, the glass fiber plastic layer 201, the ceramic material layer 202 and the alumina fire-resistant coating 3 improve the fire resistance of the cable tray, thereby improving the fire resistance effect in the event of an accidental fire.

[0027] A lower connecting piece 11 is fixedly provided on one side of the lower fixing ring 4, and an upper connecting piece 12 is fixedly provided on one side of the upper fixing ring 5. Connecting screw holes are fixedly provided on the surfaces of the lower connecting piece 11 and the upper connecting piece 12, and connecting bolts 13 are movably provided inside the connecting screw holes. Through the arrangement of the upper fixing ring 5 and the lower fixing ring 4, multiple cables are respectively placed on the lower fixing ring 4, and then the upper fixing ring 5 is covered, and the connecting bolts 13 are screwed to fix the upper fixing ring 5 and the lower fixing ring 4, so that the multiple cables are separated and fixed to avoid the cables from being entangled with each other, which may easily cause a short circuit and fire.

[0028] The adjusting mechanism 7 includes an adjusting rod 701 which is slidably connected to the inside of the fixing rod 6. An adjusting screw hole is fixedly provided on the surface of the adjusting rod 701. An adjusting bolt 702 is movably provided inside the adjusting screw hole. Through the setting of the adjusting mechanism 7, the adjusting rod 701 is pulled to slide inside the fixing rod 6, thereby driving the outer steel plate 1 to adjust the installation height. After the height is appropriate, the adjusting bolt 702 is turned to fix the adjusting rod 701.

[0029] A limit hole is fixedly provided on the top of the surface of the fixing rod 6 , and the limit hole is matched with the adjusting bolt 702 . The setting of the limit hole plays a role in fixing the adjusting bolt 702 .

[0030] The stabilizing mechanism 10 includes a stabilizing rod 1001 rotatably arranged on the surface of the fixing plate 9, a stabilizing plate 1002 is fixedly arranged on the top of the stabilizing rod 1001, stabilizing screw holes are fixedly arranged around the top surface of the stabilizing plate 1002, and stabilizing screws are movably arranged inside the stabilizing screw holes. Through the setting of the stabilizing mechanism 10, the stabilizing plate 1002 is fixed, and the stabilizing rod 1001 improves the stability of the connecting rod 8, improves the stability and structural strength of the cable tray installation, and avoids loosening to affect the use.

[0031] A mounting plate 14 is fixedly provided on the top of the connecting rod 8, and mounting holes are fixedly provided around the top surface of the mounting plate 14. Mounting screws are movably provided inside the mounting holes. The number of upper fixing rings 5 ​​and lower fixing rings 4 are both three groups. Through the setting of the mounting plate 14, the mounting screws are turned to fix the connecting rod 8.

[0032] Working principle: Pull the adjusting rod 701 to make it slide inside the fixing rod 6, driving the outer steel plate 1 to adjust the installation height. When the height is appropriate, screw the adjusting bolt 702 to fix the adjusting rod 701, fix the connecting rod 8 through the mounting plate 14, and then fix the stabilizing plate 1002. The stabilizing rod 1001 improves the stability of the connecting rod 8, improves the stability and structural strength of the cable tray installation, and avoids loosening and affecting the use. Place multiple cables on the lower fixing ring 4 respectively, and then cover the upper fixing ring 5. Screw the connecting bolt 13 to fix the upper fixing ring 5 and the lower fixing ring 4, so that multiple cables are separated and fixed, avoiding the cables from being entangled with each other, which is easy to cause short circuit and fire. The glass fiber plastic layer 201, the ceramic material layer 202 and the alumina refractory coating 3 improve the fire resistance of the cable tray, reduce the probability of cable fire, and improve the fire resistance in the event of an accidental fire.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fire-resistant cable tray, comprising an outer steel plate (1), characterized in that: The outer steel plate (1) is internally sleeved with a refractory component (2), the interior of the refractory component (2) is fixedly provided with an alumina refractory coating (3), the inner bottom wall of the alumina refractory coating (3) is fixedly provided with a lower fixing ring (4), the edge of the top surface of the lower fixing ring (4) is rotatably provided with an upper fixing ring (5), both sides of the surface of the outer steel plate (1) are fixedly provided with fixing rods (6), the interior of the fixing rods (6) is slidably connected with an adjustment mechanism (7), a connecting rod (8) is fixedly provided at the top of the adjustment mechanism (7), both sides of the connecting rod (8) are fixedly provided with fixing plates (9), and the surface of the fixing plates (9) is rotatably provided with a stabilizing mechanism (10).

2. A fire-resistant cable tray according to claim 1, characterized in that: The fire-resistant component (2) comprises a glass fiber plastic layer (201) sleeved inside the outer steel plate (1), and a ceramic material layer (202) is sleeved inside the glass fiber plastic layer (201).

3. The fire-resistant cable tray according to claim 1, characterized in that: A lower connecting plate (11) is fixedly provided on one side of the lower fixing ring (4), and an upper connecting plate (12) is fixedly provided on one side of the upper fixing ring (5). Connecting screw holes are fixedly provided on the surfaces of the lower connecting plate (11) and the upper connecting plate (12), and connecting bolts (13) are movably provided inside the connecting screw holes.

4. The fire-resistant cable tray according to claim 1, characterized in that: The adjustment mechanism (7) comprises an adjustment rod (701) slidably connected to the interior of the fixing rod (6); an adjustment screw hole is fixedly provided on the surface of the adjustment rod (701); and an adjustment bolt (702) is movably provided inside the adjustment screw hole.

5. A fire-resistant cable tray according to claim 4, characterized in that: A limiting hole is fixedly provided at the top of the surface of the fixing rod (6), and the limiting hole is adapted to fit the adjusting bolt (702).

6. The fire-resistant cable tray according to claim 1, characterized in that: The stabilizing mechanism (10) comprises a stabilizing rod (1001) rotatably arranged on the surface of a fixing plate (9), a stabilizing plate (1002) being fixedly arranged on the top of the stabilizing rod (1001), stabilizing screw holes being fixedly arranged around the top surface of the stabilizing plate (1002), and stabilizing screws being movably arranged inside the stabilizing screw holes.

7. The fire-resistant cable tray according to claim 1, characterized in that: A mounting plate (14) is fixedly provided on the top of the connecting rod (8), mounting holes are fixedly provided around the top surface of the mounting plate (14), mounting screws are movably provided inside the mounting holes, and the number of the upper fixing ring (5) and the lower fixing ring (4) are both three groups.

Citation Information

Patent Citations

  • Fireproof cable bridge

    CN218771023U

Cited By

  • Multidirectional connection type cable bridge

    CN224570807U