Fire-fighting cable fire-resistant protection structure

Abstract

The utility model discloses a fire-fighting cable fire-resistant protection structure, and relates to the technical field of cable fire-resistant protection. The fireproof cable comprises a cable core body, an insulating layer is fixedly arranged on the outer wall of the cable core body, a fireproof layer is fixedly arranged on the outer wall of the insulating layer, the fireproof layer is made of gypsum and fiber materials in a mixed mode, an isolating layer is fixedly arranged on the outer wall of the fireproof layer, the insulating layer is made of cross-linked polyethylene materials, and the isolating layer is made of polyethylene materials. The cable core body is used as a core, the outer wall of the cable core body is firstly tightly wrapped by the insulating layer, the outer wall of the insulating layer is fixedly covered by the fireproof layer, the outer wall of the fireproof layer is fixedly provided with the isolating layer, the outer wall of the isolating layer is further fixedly provided with the anticorrosive layer, and the outer wall of the anticorrosive layer is finally seamlessly wrapped by the protective layer. A multi-layer protection structure is formed, the overall structure is high in use strength, the inner layer is used for metal protection, and fire resistance, corrosion resistance and strength are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable fireproof protection technical field, concretely is a fire -fighting cable fireproof protection structure. BACKGROUND

[0002] The places or buildings of personnel concentration such as shopping mall, office building, library, hospital, school, parking lot and so on need to be equipped with fire-fighting facilities, and the fire-fighting facilities include fire alarm system and automatic sprinkler system, both of which need to use fire-resistant cable, especially the automatic sprinkler system, which is generally configured along the cable line, the system can automatically spray water when sensing fire, and control the disaster, therefore, when the fire occurs, the cable needs to work normally under the condition of bearing flame burning, to ensure the normal operation of the entire fire-fighting system.

[0003] The cable in the prior art is easy to be damaged in fire, the insulation performance is reduced, is easy to be interfered by external electromagnetic interference, the corrosion resistance is insufficient, and the bending resistance is weak. UTILITY MODEL CONTENT

[0004] In order to solve the problems of the cable in the prior art that is easy to be damaged in fire, the insulation performance is reduced, is easy to be interfered by external electromagnetic interference, the corrosion resistance is insufficient, and the bending resistance is weak, the purpose of the utility model is to provide a fire-fighting cable fireproof protection structure.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a fire-fighting cable fireproof protection structure, comprising a cable core body, an insulating layer is fixedly arranged on the outer wall of the cable core body, a fireproof layer is fixedly arranged on the outer wall of the insulating layer, the fireproof layer is made of a mixture of gypsum and fiber material, an isolation layer is fixedly arranged on the outer wall of the fireproof layer, the insulating layer is made of cross-linked polyethylene material, a corrosion-resistant layer is fixedly arranged on the outer wall of the isolation layer, a protective layer is fixedly arranged on the outer wall of the corrosion-resistant layer, and a bending-resistant assembly is connected to the outer side of the cable core body.

[0006] The bending-resistant assembly comprises a first fixed shell and a second fixed shell, the first fixed shell and the second fixed shell are movably attached, springs are fixedly arranged on the inner surfaces of the first fixed shell and the second fixed shell, first arc-shaped blocks are fixedly arranged at the other ends of the springs, rubber pads are fixedly arranged on the sides of the first arc-shaped blocks away from the springs, the rubber pads are movably attached to the outer side surfaces of the protective layer, fixed hollow blocks are fixedly arranged on the sides of the first fixed shell and the second fixed shell, bolts are movably inserted into the fixed hollow blocks, and nuts are threadedly sleeved with the outer side surfaces of the bolts.

[0007] Compared with the prior art, the utility model has the beneficial effects that:

[0008] 1. The utility model discloses a cable core body as the core, its outer wall is tightly wrapped by insulating layer first, the outer wall of insulating layer is fixedly covered by fireproof layer, the outer wall of fireproof layer is fixed with isolation layer, and the outer wall of isolation layer is further fixed with anticorrosive layer, and the outer wall of anticorrosive layer is finally seamlessly wrapped by protective layer, forms a multilayer protection structure, and the overall structure has high use strength, inner layer metal protection, greatly improves fire resistance and corrosion resistance and strength.

[0009] 2. The utility model discloses a first fixed shell and second fixed shell can be placed on the outside of cable, rubber pad and the outer wall of cable are attached, then first fixed shell and second fixed shell are fastened and are connected through the cooperation of bolt and nut, effectively enhance the bending resistance of cable, improve the use reliability and safety of cable in complex environment. ACCURATE DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0011] Fig. 1 It is the structural schematic diagram of the utility model.

[0012] Fig. 2 It is the structural schematic diagram of the cable core body of the utility model.

[0013] Fig. 3 It is the structural schematic diagram of the anti-bending assembly of the utility model.

[0014] In the drawing: 1, cable core body;11, insulating layer;12, fireproof layer;13, isolation layer;15, anticorrosive layer;17, protective layer;2, anti-bending assembly;21, first fixed shell;22, second fixed shell;23, fixed hollow block;24, bolt;25, nut;26, spring;27, first arc block;28, rubber pad. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following with the drawings in the embodiments of the utility model, obviously, the described embodiment only some embodiments of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0016] Embodiment: as Figs. 1-3The utility model provides a cable fire -resistant protection structure for fire fighting, including cable core body 1, the outer wall fixed establishment of cable core body 1 is equipped with insulating layer 11, the outer wall fixed establishment of insulating layer 11 is equipped with fire -resistant layer 12, fire -resistant layer 12 is made by gypsum and fiber material mixed, insulating layer 11 is cross -linked polyethylene material, the outer wall fixed establishment of fire -resistant layer 12 is equipped with isolation layer 13, the outer wall fixed establishment of isolation layer 13 is equipped with anticorrosive layer 15, isolation layer 13 is made by silicate material, the outer wall fixed establishment of anticorrosive layer 15 is equipped with protective layer 17, protective layer 17 adopts metal outer construction layer seamless welding into bundle tight package protection structure, anticorrosive layer 15 is silicone rubber anticorrosive coating, the coating all belong to prior art, therefore do not have too much to repeat, the outside of cable core body 1 is connected with the bending -resistant subassembly 2, and cable core body 1 is as the core, and its outer wall is first tightly wrapped by insulating layer 11, and the outer wall of insulating layer 11 is covered by fire -resistant layer 12, and the outer wall of fire -resistant layer 12 is fixed with isolation layer 13, and the outer wall of isolation layer 13 is further fixed with anticorrosive layer 15, and the outer wall of anticorrosive layer 15 is finally wrapped by protective layer 17 seamlessly, forms a multilayer protection structure, and the overall structure has high strength, inner layer metal protection, greatly improves fire -resistant corrosion resistance and strength;

[0017] The bending -resistant subassembly 2 includes first fixed shell 21 and second fixed shell 22, first fixed shell 21 and second fixed shell 22 are movably attached, the inner surface of first fixed shell 21 and the inner surface of second fixed shell 22 are both fixed with spring 26, spring 26 is provided with a plurality of, and spring 26 annular array distribution is in the inner surface of first fixed shell 21 and second fixed shell 22, the other end of spring 26 is fixed with first arc block 27, first fixed shell 21 and second fixed shell 22 can be placed on the outside of cable, rubber pad 28 is attached to the outer wall of cable, then first fixed shell 21 and second fixed shell 22 are tightly connected by the cooperation of bolt 24 and nut 25, effectively enhance the bending resistance of cable, improve the use reliability and safety of cable in complex environment, the side away from spring 26 of first arc block 27 is fixed with rubber pad 28, rubber pad 28 is movably attached to the outside surface of protective layer 17, the side of first fixed shell 21 and second fixed shell 22 is both fixed with fixed hollow block 23, bolt 24 is movably inserted in fixed hollow block 23, the outside surface of bolt 24 is threadedly provided with nut 25.

[0018] Working principle: the utility model discloses cable core body 1 as the core, its outer wall is first tightly wrapped by insulating layer 11, the outer wall of insulating layer 11 is covered again by fireproof layer 12, the outer wall of fireproof layer 12 is fixed with isolation layer 13, the outer wall of isolation layer 13 is further fixed with anticorrosive layer 15, and the outer wall of anticorrosive layer 15 is finally seamlessly wrapped by protective layer 17, forms a multilayer protection structure, and the overall structure has high strength, inner layer metal protection, greatly improves fire resistance, corrosion resistance and strength;

[0019] The first fixing shell 21 and the second fixing shell 22 can be placed on the outer side of the cable, the rubber pad 28 is attached to the outer wall of the cable, and then the first fixing shell 21 and the second fixing shell 22 are fastened and connected through the cooperation of the bolts 24 and the nuts 25, thereby effectively enhancing the bending resistance of the cable and improving the use reliability and safety of the cable in complex environments.

[0020] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Therefore, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A fire-resistant protection structure for fire-fighting cables, comprising a cable core body (1), characterized in that: The outer wall of the cable core body (1) is fixedly provided with an insulation layer (11), the outer wall of the insulation layer (11) is fixedly provided with a fireproof layer (12), the outer wall of the fireproof layer (12) is fixedly provided with an isolation layer (13), the outer wall of the isolation layer (13) is fixedly provided with a corrosion-resistant layer (15), the outer wall of the corrosion-resistant layer (15) is fixedly provided with a protective layer (17), and the cable core body (1) is connected with a bending-resistant assembly (2) on the outside; The bending-resistant assembly (2) comprises a first fixed shell (21) and a second fixed shell (22), the first fixed shell (21) and the second fixed shell (22) are movably attached, the inner surfaces of the first fixed shell (21) and the second fixed shell (22) are both fixedly provided with springs (26), the other ends of the springs (26) are fixedly provided with first arc-shaped blocks (27), the side, away from the springs (26), of the first arc-shaped blocks (27) is fixedly provided with rubber pads (28), the rubber pads (28) are movably attached to the outer side surface of the protective layer (17), the side surfaces of the first fixed shell (21) and the second fixed shell (22) are both fixedly provided with fixed hollow blocks (23), the fixed hollow blocks (23) are movably inserted with bolts (24), and the outer side surfaces of the bolts (24) are threadedly provided with nuts (25).

2. A fire resistant protective structure for a fire fighting cable as claimed in claim 1, characterised in that, The insulation layer (11) is made of cross-linked polyethylene.

3. A fire resistant protective structure for electrical cables as defined in claim 1, characterized in that The fireproof layer (12) is made of a mixture of gypsum and fiber material.

4. A fire resistant protective structure for electrical cables as defined in claim 1, characterized in that The isolation layer (13) is made of silicate material.

5. A fire resistant protective structure for electrical cables as defined in claim 1, characterized in that The corrosion-resistant layer (15) is a silicon rubber corrosion-resistant coating.

6. A fire resistant protective structure for electrical cables as defined in claim 1, characterized in that The protective layer (17) adopts a seamless welding structure of a metal outer layer.

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