Damp-proof environment-friendly fire-resistant control cable for rail transit

Abstract

The utility model discloses a moisture-proof environment-friendly fire-resistant control cable for rail transit. Relates to the technical field of cables, and adopts a reinforced core, a cable core and a semi-arc plate, a plurality of spacers are uniformly distributed on the circumference of the reinforced core, and one side of each spacer is provided with the cable core. After the base material layer is heated, heat can be transmitted to the semi-arc plate, the inorganic heat absorption material is filled in the semi-arc plate, and the inorganic heat absorption material absorbs heat and releases water vapor when being heated, so that water vapor generated after the inorganic heat absorption material is heated can enter the thermosetting resin layer through the water outlet holes, and the heat absorption effect is improved. By arranging the thermosetting resin layer, the thermosetting resin layer becomes harder and harder at a high temperature, the fire-resistant effect of the cable is further improved, by arranging the wear-resistant layer and coating one side of the wear-resistant layer with the corrosion-resistant coating, the corrosion resistance of the cable is improved, the service life of the cable is prolonged, the high performance is ensured, meanwhile, the adverse effect on the environment is greatly reduced, and the service life of the cable is prolonged. The environment protection is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely relates to a kind of moisture-proof environment-friendly track traffic fire-resistant control cable. BACKGROUND

[0002] Track traffic construction scale is big, involves construction, metallurgy, electrical, mechanical and electrical equipment and wire and cable and multiple industries, wire and cable manufacturing is one of the biggest supporting industries, and is closely related with the development of urban track traffic.The variety of wire and cable for urban track traffic is more, for example, power cable mainly is direct current traction cable, flame-retardant cable, fire-resistant cable, green environmental protection cable etc., signal cable is mainly subway signal cable, control cable, communication cable and communication optical cable etc..Due to the influence of working condition environment etc., control cable has the phenomenon of being damped and waterlogged, leading to cable insulation layer being easily damaged, reducing the electrical characteristics of cable, affecting normal use, and there is security risk. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of moisture-proof environment-friendly track traffic fire-resistant control cable, solves the problem proposed in current background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of moisture-proof environment-friendly track traffic fire-resistant control cable, including reinforcing core, cable core, half arc plate, the reinforcing core is hollow reinforcing core, the reinforcing core is uniformly distributed with several septa, the septa are provided with cable core on one side, the outer side of the cable core is provided with metal shielding layer, the outer side of the metal shielding layer is provided with fireproof layer, the outer side of the fireproof layer is provided with moisture-proof layer, the outer side of the moisture-proof layer is provided with tensile braiding layer, the outer side of the tensile braiding layer is provided with heat insulation layer, the outer side of the heat insulation layer is provided with thermosetting resin layer, the outer side of the thermosetting resin layer is provided with water-blocking layer, the water-blocking layer is provided with several water holes, the outer side of the water-blocking layer is provided with half arc plate, the sidewall of the half arc plate is provided with several water inlet holes, the inside of the half arc plate is filled with inorganic heat-absorbing material, the outer side of the half arc plate is provided with base material layer, the outer side of the base material layer is provided with wear-resistant layer, the outer side of the wear-resistant layer is coated with corrosion-resistant paint.

[0006] Preferably, the cable core includes control wire core, the outer side of the control wire core is provided with mica tape layer, the outer side of the mica tape layer is provided with insulation layer, the gap of cable core, septum and metal shielding layer is filled with flame-retardant filling layer.

[0007] Preferably, the insulation layer is made of polyethylene PVC or crosslinked polyethylene XLPE material.

[0008] Preferably, the fireproof layer is made of halogen-free low-smoke flame-retardant polyolefin insulation material.

[0009] Preferably, the moisture-proof layer is made of polyethylene foam material.

[0010] Preferably, the heat insulation layer is made of halogen-free flame retardant.

[0011] Preferably, the wear-resistant layer is compounded by PETS and erucic amide.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The moisture-proof and environment-friendly fire-resistant control cable for rail transit is provided with a reinforcing core, the reinforcing core is a hollow reinforcing core, the strength and bending resistance of the cable are increased, the outer periphery of the reinforcing core is uniformly distributed with a spacer, the cable core is separated by the spacer, the mutual entanglement of the cable cores is avoided, the use effect of the cable is ensured, the cable can be normally used, the mica tape layer is arranged outside the control wire core, the mica tape layer has good fireproof and insulating effects, the control wire core has certain fire resistance, the gap between the cable core, the spacer and the metal shielding layer is filled with a flame-retardant filling layer, the flame-retardant effect is further improved, the cable is prevented from being easily ignited due to overheating or open flame, polyethylene PVC or crosslinked polyethylene XLPE is used as the insulating layer material, better insulation is provided, the influence on the environment is reduced, the metal shielding layer is arranged, electromagnetic interference is effectively reduced, the anti-interference ability of the cable is greatly improved, the fireproof layer is arranged, the fireproof layer is made of halogen-free low-smoke flame-retardant polyolefin insulation material, the release of harmful gas is reduced, the fireproof performance of the cable is greatly improved, the moisture-proof layer is arranged, the moisture-proof layer is made of polyethylene foam material, the polyethylene foam has a plurality of independent bubbles inside, has good waterproof and moisture-proof properties, effectively prevents water from entering, thereby improving the moisture-proof effect of the cable, the heat insulation layer is made of halogen-free flame retardant, can effectively block the transmission of heat, the base material layer is arranged, when the base material layer is heated, heat is transmitted to the semi-arc plate, the semi-arc plate is filled with inorganic heat-absorbing material inside, the inorganic heat-absorbing material is an inorganic material that absorbs heat and releases water vapor when heated, the water vapor generated by the inorganic heat-absorbing material after being heated can enter the thermosetting resin layer through the water outlet hole, the thermosetting resin layer becomes harder and harder at high temperature, the fire resistance of the cable is further improved, the wear-resistant layer is arranged, one side of the wear-resistant layer is coated with a corrosion-resistant coating, the corrosion resistance of the cable is increased, thereby greatly improving the service life of the cable, the utility model greatly reduces the adverse effects on the environment while ensuring high performance, is conducive to the protection of the environment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model discloses a structure schematic drawing.

[0015] Figure 2 The utility model discloses a front view structure drawing.

[0016] Figure 3 For Figure 2 The utility model discloses a partial structure enlarged view of A of 1.

[0017] Figure 4 For Figure 2 The utility model discloses a partial structure enlarged view of B of 1.

[0018] In the figure: 1, reinforcing core;2, cable core;2.1, insulating layer;2.2, mica tape layer;2.3, control wire core;3, spacer;4, flame-retardant filling layer;5, metal shielding layer;6, fireproof layer;7, moisture-proof layer;8, tensile braided layer;9, heat insulation layer;10, thermosetting resin layer;11, water barrier layer;12, water outlet hole;13, half-arc plate;14, water inlet hole;15, inorganic heat-absorbing material;16, base material layer;17, wear-resistant layer;18, corrosion-resistant coating. DETAILED DESCRIPTION

[0019] To further illustrate various embodiments, the utility model provides with the drawing, these drawings are the part of the utility model disclosure, it mainly used to explain the embodiment, and can cooperate the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, and the ordinary skilled in the art should understand other possible implementation modes and the advantages of the utility model, the components in the drawing are not drawn according to the proportion, and similar component symbols are usually used to indicate similar components.

[0020] According to the embodiment of the utility model, provide a kind of damp-proof environment-friendly type rail transit fire-resistant control cable.

[0021] Embodiment one:

[0022] As the drawing of specification Figure 1The moisture-proof and environment-friendly fire-resistant control cable for rail transit includes a reinforcing core 1, a cable core 2 and a semi-arc plate 13, the reinforcing core 1 is a hollow reinforcing core, a plurality of spacers 3 are uniformly distributed on the circumference of the reinforcing core 1, the cable core 2 is arranged on one side of the spacer 3, a metal shielding layer 5 is arranged outside the cable core 2, a fireproof layer 6 is arranged outside the metal shielding layer 5, a moisture-proof layer 7 is arranged outside the fireproof layer 6, a tensile braided layer 8 is arranged outside the moisture-proof layer 7, a heat insulation layer 9 is arranged outside the tensile braided layer 8, a thermosetting resin layer 10 is arranged outside the heat insulation layer 9, a water-blocking layer 11 is arranged outside the thermosetting resin layer 10, a plurality of water outlet holes 12 are formed in the water-blocking layer 11, the semi-arc plate 13 is arranged outside the water-blocking layer 11, a plurality of water inlet holes 14 are formed in the side wall of the semi-arc plate 13, inorganic heat-absorbing material 15 is filled in the semi-arc plate 13, a base material layer 16 is arranged outside the semi-arc plate 13, a wear-resistant layer 17 is arranged outside the base material layer 16, and corrosion-resistant paint 18 is coated on the outside of the wear-resistant layer 17.

[0023] Example two

[0024] As shown in the drawings Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, a kind of moisture-proof environment-friendly fire-resistant control cable for rail transit is provided with reinforcing core 1, the reinforcing core 1 is set as hollow reinforcing core, the strength and bending resistance of the cable are increased, the outer periphery of reinforcing core 1 is uniformly distributed with spacer 3, cable core 2 is separated by spacer 3, to avoid the mutual entanglement of cable core 2 affecting the use effect of cable, to ensure that cable can be normally used.Cable core 2.3 is provided with mica tape layer 2.2 outside, mica tape layer 2.2 has good fireproof insulation effect, so that control wire core 2.3 has certain fire resistance.By filling the gap between cable core 2, spacer 3 and metal shielding layer 5 with flame-retardant filling layer 4, the flame-retardant effect is further improved, to avoid the cable from being easily on fire due to internal overheating or open flame.By using polyethylene PVC or cross-linked polyethylene XLPE as the material of insulating layer 2.1, better insulation is provided, and the impact on the environment is reduced.By providing metal shielding layer 5, electromagnetic interference can be effectively reduced, and the anti-interference capability of the cable is greatly improved.By providing fireproof layer 6, fireproof layer 6 is made of halogen-free low-smoke flame-retardant polyolefin insulating material, the release of harmful gases is reduced, and the fireproof performance of the cable is greatly improved.By providing moisture-proof layer 7, moisture-proof layer 7 is made of polyethylene foam, which has multiple independent bubbles inside, has good waterproof and moisture-proof property, effectively prevents water from entering, thereby improving the moisture-proof effect of the cable.The heat shielding layer 9 is made of halogen-free flame retardant, which can effectively block the transfer of heat.By providing base material layer 16, when the base material layer 16 is heated, the heat will be transferred to the semi-arc plate 13, since the semi-arc plate 13 is filled with inorganic heat-absorbing material 15, which is an inorganic material that absorbs heat and releases water vapor when heated, the water vapor generated by the inorganic heat-absorbing material 15 after being heated can enter the thermosetting resin layer 10 through the water outlet hole 12, so that the thermosetting resin layer 10 becomes harder and harder at high temperature, further improving the fire resistance of the cable.By providing wear-resistant layer 17, one side of wear-resistant layer 17 is coated with corrosion-resistant coating 18, the corrosion resistance of the cable is increased, thereby greatly improving the service life of the cable.The utility model greatly reduces the adverse effects on the environment while ensuring high performance, which is conducive to environmental protection.

[0025] Meanwhile, the contents not described in detail in the present specification all belong to the prior art known to those skilled in the art.

[0026] In the present application, unless otherwise specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the present application can be understood according to the specific meaning in the present application by those skilled in the art.

[0027] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Finally, it should be noted that the above-described embodiments are merely possible examples of implementing the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A moisture-proof and environmentally friendly fire-resistant control cable for rail transit, characterized in that: The application relates to a cable core, which comprises a reinforcing core (1), a cable core (2) and a half-arc plate (13), wherein the reinforcing core (1) is a hollow reinforcing core, the reinforcing core (1) is uniformly provided with a plurality of partitions (3) in the circumferential direction, one side of the partition (3) is provided with the cable core (2), the outer side of the cable core (2) is provided with a metal shielding layer (5), the outer side of the metal shielding layer (5) is provided with a fireproof layer (6), the outer side of the fireproof layer (6) is provided with a moisture-proof layer (7), the outer side of the moisture-proof layer (7) is provided with a tensile braided layer (8), the outer side of the tensile braided layer (8) is provided with a heat insulation layer (9), the outer side of the heat insulation layer (9) is provided with a thermosetting resin layer (10), the outer side of the thermosetting resin layer (10) is provided with a water-blocking layer (11), the water-blocking layer (11) is provided with a plurality of water outlet holes (12), the outer side of the water-blocking layer (11) is provided with the half-arc plate (13), the sidewall of the half-arc plate (13) is provided with a plurality of water inlet holes (14), the inside of the half-arc plate (13) is filled with inorganic heat-absorbing material (15), the outer side of the half-arc plate (13) is provided with a base material layer (16), the outer side of the base material layer (16) is provided with a wear-resistant layer (17), and the outer side of the wear-resistant layer (17) is coated with corrosion-resistant paint (18).

2. The moisture-proof and environmentally friendly fire-resistant control cable for rail transit according to claim 1, characterized in that: The cable core (2) comprises a control line core (2.3), the outer side of the control line core (2.3) is provided with a mica tape layer (2.2), and the outer side of the mica tape layer (2.2) is provided with an insulation layer (2.1); the gap between the cable core (2), the partition (3) and the metal shielding layer (5) is filled with a flame-retardant filling layer (4).

3. The moisture-proof and environmentally friendly fire-resistant control cable for rail transit according to claim 2, characterized in that: The insulation layer (2.1) is made of polyethylene PVC or cross-linked polyethylene XLPE material.

4. The moisture-proof and environmentally friendly fire-resistant control cable for rail transit according to claim 1, characterized in that: The fireproof layer (6) is made of halogen-free low-smoke flame-retardant polyolefin insulation material.

5. The moisture-proof and environmentally friendly fire-resistant control cable for rail transit according to claim 1, characterized in that: The moisture-proof layer (7) is made of polyethylene foam material.

6. The moisture-proof and environmentally friendly fire-resistant control cable for rail transit according to claim 1, characterized in that: The heat insulation layer (9) is made of halogen-free flame retardant.

7. The moisture-proof and environmentally friendly fire-resistant control cable for rail transit according to claim 1, characterized in that: The wear-resistant layer (17) is made of PETS and erucic amide.

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