Anti-fracture polypropylene wire cable

Abstract

The utility model discloses an anti-fracture polypropylene wire and cable, and relates to the technical field of wires and cables, according to the anti-fracture polypropylene wire and cable, the overall toughness of the cable is improved through reinforcing ribs and buffer through holes, the performance of an outer layer protection structure of the cable is greatly improved by matching with a seamless copper pipe material of a protection layer, and the anti-fracture polypropylene wire and cable can be used simultaneously. The cable outer sheath is made of a polypropylene material, has chemical resistance, heat resistance, electrical insulating property, high-strength mechanical property and good high-wear-resistant processing property, is beneficial to optimizing the corrosion resistance of the cable, relieving the wear degree of the cable surface and prolonging the service life of the cable, and a plurality of cables are neatened and sleeved in the protective sleeve, so that the service life of the cable is prolonged. Then the cable and the protective sleeve are installed underground together, the cable is further protected through the protective sleeve made of hard plastic, the protective sleeve and the cable are prevented from being affected by external force factors through the supporting piece and the anti-fracture metal wire, the risk that the cable is fractured is greatly reduced, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wires and cables, in particular to a breakage-resistant polypropylene wire and cable. Background Art

[0002] A cable is a device for transmitting electrical energy or signals, usually composed of several or several groups of wires, usually a rope-like cable formed by twisting several or several groups of wires (at least two in each group). Each group of wires is insulated from each other and often twisted around a center. The entire outside is covered with a highly insulating covering. The cable has the characteristics of being powered inside and insulated outside.

[0003] For example, patent No. CN216353454U, the utility model relates to the technical field of wires and cables, and discloses highly flame-retardant insulated wires and cables, the outer surface of the protective layer is provided with a wear-resistant layer, the wear-resistant layer is fixedly connected to the protective layer, and four groups of separating semicircles are provided inside the protective layer, the four groups of separating semicircles are respectively fixedly connected to the protective layer, the inner layer is arranged inside the protective layer, and three groups of conducting wires are provided in the inner layer. The utility model improves the wear resistance of the wires and cables by adding a wear-resistant layer to the wires and cables, the wear-resistant layer is the outer surface layer, and the wear-resistant layer can reduce the wear on the wires and cables during transportation, effectively extending the service life of the wires and cables, and reduces the overall weight of the wires and cables by adding separating semicircles to the wires and cables, and the separating semicircles can reduce the contact area between the protective layer and the inner layer, thereby improving the flame retardancy and insulation capabilities of the wires and cables, and effectively improving the staff's experience of using the wires and cables.

[0004] Some of the existing wires and cables need to be installed underground. During long-term use, their surfaces are prone to corrosion and are affected by various external factors such as vibration, causing the surface of the wires and cables to wear or break, posing certain safety hazards. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a breakage-resistant polypropylene wire and cable to solve the problem mentioned in the above background technology that some of the existing wires and cables need to be installed underground, their surfaces are easily corroded during long-term use, and they are affected by various external factors such as vibration, causing the surface of the wires and cables to wear or break, posing certain safety hazards.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a break-resistant polypropylene wire and cable, comprising a protective sleeve, a sleeve wire groove is opened inside the protective sleeve, a shielding pad is fixedly connected to the inner surface of the sleeve wire groove, a cable outer sheath is arranged inside the shielding pad, the inner surface of the cable outer sheath is fixedly connected to a protective layer, a wrapping tape is fixedly connected to the inner surface of the protective layer, an insulating layer is arranged inside the wrapping tape, a filling layer is arranged between the wrapping tape and the insulating layer, a reinforcing rib is fixedly connected to the side of the insulating layer inside the filling layer, a wire core is fixedly connected to the inside of the insulating layer, a support is fixedly installed on the surface of the protective sleeve, and a wear-resistant outer tube is fixedly connected to the end of the support away from the protective sleeve.

[0007] Preferably, the casing ducts are distributed in a ring array, and the shielding pad layer and the cable outer sheath are sleeved with each other.

[0008] Preferably, the cable outer sheath is made of polypropylene, and the protective layer is made of seamless copper tube.

[0009] Preferably, the wrapping tape is made of flame-retardant polyester, and the filling layer is made of aramid yarn.

[0010] Preferably, the insulating layer is made of polyvinyl chloride, and a buffer through hole is provided inside the reinforcing rib.

[0011] Preferably, the shielding cushion layer is a cross-linked conductor shielding material, and the wear-resistant outer tube is a halogen-free, low-smoke, flame-retardant polyolefin material.

[0012] Preferably, the support members are distributed in a ring array, and anti-fracture metal wires are fixedly installed inside the support members.

[0013] Beneficial Effects

[0014] The utility model provides a polypropylene wire and cable that is resistant to breakage. Compared with the prior art, it has the following advantages:

[0015] Beneficial effects:

[0016] 1. The anti-fracture polypropylene wire and cable improves the overall toughness of the cable through reinforcing ribs and buffer through holes, and the protective layer is made of seamless copper tube material, which greatly improves the performance of the cable outer protection structure. At the same time, the cable outer sheath is made of polypropylene material, which has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high wear-resistant processing performance, which is beneficial to optimize the corrosion resistance of the cable, alleviate the degree of wear on the cable surface, and extend the service life of the cable.

[0017] 2. When installing the anti-break polypropylene wire and cable, first put multiple cables into the protective casing, and then install the cables together with the protective casing underground. The hard plastic protective casing further protects the cables. Support parts and anti-break metal wires are used to prevent the protective casing and cables from being affected by external forces, which greatly reduces the risk of cable breakage and is conducive to improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the protective sleeve structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the cable outer sheath structure of the utility model.

[0022] In the figure: 1. Protective casing; 2. Casing duct; 3. Shielding cushion layer; 4. Cable outer sheath; 5. Protective layer; 6. Wrapping tape; 7. Insulating layer; 8. Filling layer; 9. Reinforcement ribs; 10. Wire core; 11. Support; 12. Wear-resistant outer tube; 13. Buffer through hole; 14. Anti-breakage metal wire. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4The utility model provides a technical solution: a break-proof polypropylene wire and cable, comprising a protective sleeve 1, a sleeve groove 2 is provided inside the protective sleeve 1, a shielding pad 3 is fixedly connected to the inner surface of the sleeve groove 2, a cable outer sheath 4 is arranged inside the shielding pad 3, a protective layer 5 is fixedly connected to the inner surface of the cable outer sheath 4, a wrapping tape 6 is fixedly connected to the inner surface of the protective layer 5, an insulating layer 7 is arranged inside the wrapping tape 6, a filling layer 8 is arranged between the wrapping tape 6 and the insulating layer 7, a reinforcing rib 9 is fixedly connected to the inner side of the insulating layer 7, a wire core 10 is fixedly connected to the inner side of the insulating layer 7, and a cable outer sheath 4 is fixedly connected to the inner surface of the protective layer 5. The cable is made of polypropylene, the protective layer 5 is made of seamless copper tube, the wrapping tape 6 is made of flame-retardant polyester, the filling layer 8 is made of aramid yarn, the insulating layer 7 is made of polyvinyl chloride, and a buffer through hole 13 is provided inside the reinforcing rib 9. The reinforcing rib 9 and the buffer through hole 13 are used to improve the overall toughness of the cable. The protective layer 5 is made of seamless copper tube, which greatly improves the performance of the outer protective structure of the cable. At the same time, the cable outer sheath 4 is made of polypropylene, which has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high wear-resistant processing performance, which is conducive to optimizing the corrosion resistance of the cable, alleviating the degree of wear on the cable surface, and extending the service life of the cable.

[0025] A support member 11 is fixedly installed on the surface of the protective sleeve 1, and a wear-resistant outer tube 12 is fixedly connected to one end of the support member 11 away from the protective sleeve 1. The sleeve wire trough 2 is distributed in a ring array, and the shielding cushion layer 3 and the cable outer sheath 4 are mutually sleeved. The shielding cushion layer 3 is a cross-linked conductor shielding material, and the wear-resistant outer tube 12 is a halogen-free low-smoke flame-retardant polyolefin material. The support members 11 are distributed in a ring array, and an anti-fracture wire 14 is fixedly installed inside the support member 11. When installing the cable, first arrange multiple cables into the protective sleeve 1, and then install the cable together with the protective sleeve 1 underground. The hard plastic protective sleeve 1 further protects the cable, and the support member 11 and the anti-fracture wire 14 are used to prevent the protective sleeve 1 and the cable from being affected by external force factors, which greatly reduces the risk of cable breakage and is conducive to improving safety.

[0026] During operation, the overall toughness of the cable is improved by reinforcing ribs 9 and buffer holes 13, and the protective layer 5 is made of seamless copper tube material to greatly improve the performance of the cable outer protection structure. At the same time, the cable outer sheath 4 is made of polypropylene, which has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high-wear resistance processing performance. When installing the cable, first arrange multiple cables into the protective casing 1, and then install the cable together with the protective casing 1 underground. The hard plastic protective casing 1 is used to further protect the cable, and the support 11 and the anti-fracture wire 14 are used to prevent the protective casing 1 and the cable from being affected by external forces.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A break-resistant polypropylene wire and cable, comprising a protective sleeve (1), characterized in that: The protective sleeve (1) is provided with a sleeve wire groove (2) inside, a shielding pad layer (3) is fixedly connected to the inner surface of the sleeve wire groove (2), a cable outer sheath (4) is arranged inside the shielding pad layer (3), a protective layer (5) is fixedly connected to the inner surface of the cable outer sheath (4), a wrapping tape (6) is fixedly connected to the inner surface of the protective layer (5), an insulating layer (7) is arranged inside the wrapping tape (6), a filling layer (8) is arranged between the wrapping tape (6) and the insulating layer (7), a reinforcing rib (9) is fixedly connected inside the filling layer (8) and located on the side of the insulating layer (7), a wire core (10) is fixedly connected inside the insulating layer (7), a support member (11) is fixedly installed on the surface of the protective sleeve (1), and a wear-resistant outer tube (12) is fixedly connected to the end of the support member (11) away from the protective sleeve (1).

2. The anti-fracture polypropylene wire and cable according to claim 1, characterized in that: The casing wire ducts (2) are distributed in a ring array, and the shielding cushion layer (3) and the cable outer sheath (4) are sleeved with each other.

3. The anti-fracture polypropylene wire and cable according to claim 2, characterized in that: The cable outer sheath (4) is made of polypropylene, and the protective layer (5) is made of seamless copper tube.

4. The anti-fracture polypropylene wire and cable according to claim 1, characterized in that: The wrapping tape (6) is made of flame-retardant polyester, and the filling layer (8) is made of aramid yarn.

5. The anti-fracture polypropylene wire and cable according to claim 1, characterized in that: The insulating layer (7) is made of polyvinyl chloride, and a buffer through hole (13) is provided inside the reinforcing rib (9).

6. The anti-fracture polypropylene wire and cable according to claim 1, characterized in that: The shielding cushion layer (3) is a cross-linked conductor shielding material, and the wear-resistant outer tube (12) is a halogen-free, low-smoke, flame-retardant polyolefin material.

7. The anti-fracture polypropylene wire and cable according to claim 1, characterized in that: The support members (11) are distributed in a ring array, and anti-fracture metal wires (14) are fixedly installed inside the support members (11).

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