阅读说明：本技术 一种加强型轻型舰船用耐火阻燃电缆 (Reinforced fire-resistant flame-retardant cable for light ships ) 是由 路永鸣 吴荫 杜娟 朱金鑫 朱有明 钱永红 路宝俊 张兆斌 杜刚 王萍 盛国友 于 2020-04-17 设计创作，主要内容包括：本发明属于轻型舰船用电缆领域,尤其是一种加强型轻型舰船用耐火阻燃电缆,针对现有的轻型舰船用电缆的强度较差,难以承受较大的拉力及压力；且现有的轻型舰船用电缆的耐火阻燃性能较差的问题,现提出如下方案,其包括防护套,防护套的内部设有加强层,加强层的外圈固定有多个呈圆形整列分布的加强芯,加强层的外圈与防护套的内圈之间设有第二填充层,加强层的内圈固定套接有无卤低烟阻燃外护套,无卤低烟阻燃外护套的内圈固定套接有总屏蔽层,总屏蔽层的内圈固定套接有无卤低烟阻燃内护套,无卤低烟阻燃内护套的内部设有多个呈圆形阵列分布的分屏蔽层,本发明设计新颖,强度较高,能够承受较大的拉力及压力,耐火阻燃性能优良,适于推广使用。(The invention belongs to the field of cables for light ships, in particular to a reinforced fire-resistant flame-retardant cable for light ships, which aims at the problems that the existing cable for light ships has poor strength and is difficult to bear larger tension and pressure; the invention also provides a scheme for solving the problem that the existing light cable for ships has poor fire resistance and flame retardance, which comprises a protective sleeve, wherein a reinforced layer is arranged in the protective sleeve, a plurality of reinforced cores distributed in a circular array are fixed on the outer ring of the reinforced layer, a second filling layer is arranged between the outer ring of the reinforced layer and the inner ring of the protective sleeve, a halogen-free low-smoke flame-retardant outer sheath is fixedly sleeved on the inner ring of the reinforced layer, a total shielding layer is fixedly sleeved on the inner ring of the halogen-free low-smoke flame-retardant outer sheath, a halogen-free low-smoke flame-retardant inner sheath is fixedly sleeved on the inner ring of the total shielding layer, and a plurality of sub shielding layers distributed in a circular array are arranged in the halogen-free low-smoke flame-retardant inner sheath.)

1. A reinforced light fire-resistant flame-retardant cable for ships and warships comprises a protective cover (8) and is characterized in that a reinforcing layer (4) is arranged inside the protective cover (8), a plurality of reinforcing cores (7) distributed in a circular array are fixed on the outer ring of the reinforcing layer (4), a second filling layer (6) is arranged between the outer ring of the reinforcing layer (4) and the inner ring of the protective cover (8), a halogen-free low-smoke flame-retardant outer sheath (3) is fixedly sleeved on the inner ring of the reinforcing layer (4), a total shielding layer (2) is fixedly sleeved on the inner ring of the total shielding layer (2), a plurality of sub shielding layers (9) distributed in a circular array are arranged inside the halogen-free low-smoke flame-retardant inner sheath (1), twisted wire pairs (10) are arranged inside the sub shielding layers (9), and a first filling layer (5) is arranged between the outer ring of the twisted pair (10) and the inner ring of the halogen-free low-smoke flame-retardant inner sheath (1).

2. The reinforced light fire-resistant and flame-retardant cable for ships and warships according to claim 1, wherein the outer ring of the reinforcing layer (4) is provided with a plurality of arc-shaped fixing grooves distributed in a circular array, and the reinforcing core (7) is fixed on the groove wall of the fixing groove.

3. A reinforced light fire-resistant flame-retardant cable for ships and warships according to claim 1, characterized in that said halogen-free low-smoke flame-retardant inner sheath (1) and said halogen-free low-smoke flame-retardant outer sheath (3) are both made of flame-retardant low-smoke halogen-free polyester-based thermoplastic elastomer material TPE.

4. The fire-resistant and flame-retardant reinforced light-weight ship cable as claimed in claim 1, wherein the first filling layer (5) and the second filling layer (6) are both made of chlorinated paraffin and china clay powder.

5. The reinforced light fire-resistant and flame-retardant cable for ships and warships according to claim 1, wherein the total shielding layer (2), the reinforcing layer (4), the protective sheath (8) and the sub-shielding layer (9) are made of PVC material.

6. The fire-resistant and flame-retardant reinforced light ship cable according to claim 1, wherein the reinforcing core (7) is made of galvanized steel wire material.

Technical Field

The invention relates to the technical field of cables for light ships, in particular to a reinforced fire-resistant flame-retardant cable for light ships.

Background

Cables are usually made up of several wires or groups of wires for connecting electrical circuits, appliances, etc. On a light ship, all the power equipment are connected through cables.

However, the existing cable for the light ship has poor strength and is difficult to bear large tensile force and pressure; and the existing light ship cable has poor fire resistance and flame retardance, so that the reinforced light ship fire resistance and flame retardance cable is provided.

Disclosure of Invention

The invention provides a reinforced fire-resistant flame-retardant cable for a light ship, which solves the problems that the existing cable for the light ship has poor strength and is difficult to bear larger tension and pressure; and the existing light cable for ships has poor fire resistance and flame retardance.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a light-duty naval vessel of strenghthened type is with fire-resistant flame retarded cable, includes the lag, the inside of lag is equipped with the enhancement layer, the outer lane of enhancement layer is fixed with a plurality of enhancement cores that are circular permutation and distribute, the outer lane of enhancement layer with be equipped with the second filling layer between the inner circle of lag, the fixed zero halogen low smoke flame retardant oversheath that has cup jointed of inner circle of enhancement layer, the fixed total shield layer that has cup jointed of inner circle of zero halogen low smoke flame retardant oversheath, the fixed zero halogen low smoke flame retardant inner sheath that has cup jointed of inner circle on total shield layer, the inside of zero halogen low smoke flame retardant inner sheath is equipped with a plurality of branch shielding layers that are circular array and distribute, the inside of branch shielding layer is equipped with the twisted pair, the outer lane of twisted pair with be equipped with first filling layer between the inner circle of zero halogen low smoke flame retardant inner sheath.

Preferably, the outer ring of the reinforcing layer is provided with a plurality of arc-shaped fixing grooves distributed in a circular array, and the reinforcing core is fixed on the groove wall of the fixing grooves.

Preferably, the halogen-free low-smoke flame-retardant inner sheath and the halogen-free low-smoke flame-retardant outer sheath are both made of flame-retardant low-smoke halogen-free polyester-based thermoplastic elastomer material TPE.

Preferably, the first filling layer and the second filling layer are both prepared by mixing chlorinated paraffin and china clay powder.

Preferably, the total shielding layer, the reinforcing layer, the protective sleeve and the sub-shielding layers are all made of PVC materials.

Preferably, the reinforcing core is made of galvanized steel wire material.

The invention has the beneficial effects that:

1. through the cooperation of the reinforcing layer, the reinforcing core and the protective sleeve, the strength of the light cable for ships can be effectively improved, and the light cable for ships can bear larger tension and pressure.

2. The flame-retardant performance of the light cable for ships can be effectively improved through the cooperation of the halogen-free low-smoke flame-retardant inner sheath, the halogen-free low-smoke flame-retardant outer sheath, the first filling layer and the second filling layer.

The invention has novel design, higher strength, excellent fire resistance and flame retardance, can bear larger tension and pressure and is suitable for popularization and use.

Drawings

Fig. 1 is a schematic structural view of a reinforced light fire-resistant and flame-retardant cable for ships and warships, which is provided by the invention;

FIG. 2 is an enlarged view of the partial shielding layer of the reinforced light fire-resistant and flame-retardant cable for ships and warships according to the present invention;

fig. 3 is a side view of the reinforced light fire-resistant and flame-retardant cable for ships and warships.

Reference numbers in the figures: 1. a halogen-free low-smoke flame-retardant inner sheath; 2. a total shielding layer; 3. a halogen-free low-smoke flame-retardant outer sheath; 4. a reinforcing layer; 5. a first filling layer; 6. a second filling layer; 7. a reinforcing core; 8. a protective sleeve; 9. dividing a shielding layer; 10. and (4) twisted wire pairs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a light-duty naval vessel of strenghthened type is with fire-resistant flame retarded cable, including lag 8, the inside of lag 8 is equipped with enhancement layer 4, the outer lane of enhancement layer 4 is fixed with a plurality of enhancement cores 7 that are circular permutation and distribute, be equipped with second filling layer 6 between the outer lane of enhancement layer 4 and the inner circle of lag 8, the fixed zero halogen low smoke flame retardant oversheath 3 that has cup jointed of inner circle of enhancement layer 4, the fixed total shielding layer 2 that has cup jointed of inner circle of zero halogen low smoke flame retardant oversheath 3, the fixed zero halogen low smoke flame retardant inner sheath 1 that has cup jointed of inner circle of total shielding layer 2, the inside of zero halogen low smoke flame retardant inner sheath 1 is equipped with a plurality of branch shielding layers 9 that are circular array and distribute, the inside of branch shielding layer 9 is equipped with twisted pair 10, be equipped with first filling layer 5 between the outer lane of twisted pair 10 and the inner circle of zero halogen low smoke flame retardant inner sheath 1.

The outer lane of enhancement layer 4 is equipped with a plurality of curved fixed slots that are circular array and distribute, and the stability of stiffener 7 can be ensured through the gluey cell wall of strengthening core 7 on the fixed slot of gluing.

The halogen-free low-smoke flame-retardant inner sheath 1 and the halogen-free low-smoke flame-retardant outer sheath 3 are both made of flame-retardant low-smoke halogen-free polyester-based thermoplastic elastomer material TPE, and have excellent flame-retardant and flame-retardant properties.

The first filling layer 5 and the second filling layer 6 are both prepared by mixing chlorinated paraffin and china clay powder, have first-grade fire resistance, excellent plasticity and good fire resistance and fire blocking performance.

The total shielding layer 2, the reinforcing layer 4, the protecting sleeve 8 and the sub-shielding layer 9 are all made of PVC materials, and have the advantages of flexibility, free bending and folding, thin relative thickness, small volume, simple connection, convenient disassembly and the like.

The reinforcing core 7 is made of a galvanized steel wire material, and the galvanized steel wire is a carbon steel wire with the surface galvanized by a hot dipping or electroplating method.

Example (b): the strength of the light ship cable can be effectively improved by arranging the reinforcing layer 4 and the protective sleeve 8, and the reinforcing core 7 made of the galvanized steel wire material has strong adhesive force, lasting corrosion resistance and excellent toughness and elasticity, so that the strength of the light ship cable can be further improved, and the light ship cable can bear larger tensile force and pressure; the fireproof and flame-retardant performance of the light ship cable can be effectively improved by arranging the halogen-free low-smoke flame-retardant inner sheath 1 and the halogen-free low-smoke flame-retardant outer sheath 3, and the fireproof and flame-retardant performance of the light ship cable can be further improved by arranging the first filling layer 5 and the second filling layer 6.

The invention has novel design, higher strength, excellent fire resistance and flame retardance, can bear larger tension and pressure and is suitable for popularization and use.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.