Wear-resistant power cable made of an aluminum alloy

Abstract

Wear-resistant power cable made of aluminum alloy, comprising a cable body (1), characterized in that the cable body (1) is provided internally with a first cable core (4), a second cable core (5), a third cable core (6), a protective sheath (3) and a supporting protective composite sleeve (14), wherein a triangular support frame (9) and a flame-retardant filler (11) are positioned under the first cable core (4), the second cable core (5) and the third cable core (6), wherein an inner core sleeve (12) is positioned between the protective sheath (3) and the flame-retardant filler (11), wherein an outer core sleeve (13) is positioned between the protective sheath (3) and the supporting protective composite sleeve (14), wherein a composite protective core foil (7) is positioned within the first cable core (4), the second cable core (5) and the third cable core (6), wherein an aluminum core body (8) is arranged within the composite protective core foil (7).wherein the outer surfaces of the cable core (4), the second cable core (5) and the third cable core (6) are all positioned with a sleeve film (10), wherein the surface of the protective sheath (3) is positioned with a protective sheath adhesive film (2).

Description

Technical area

[0001] The present invention relates to the field of power cables and, more particularly, to a wear-resistant power cable made of an aluminum alloy. Background technology

[0002] Power cables are a type of cable used for the transmission and distribution of electricity. Power cables are widely used in urban underground power grids, power supply lines of power plants, the internal power supply of industrial and mining enterprises, and submarine power transmission lines across rivers. With the continuous development of science and technology, people are placing increasingly higher demands on the manufacturing process of power cables.

[0003] Existing power cables have certain disadvantages in use. First, the existing support structure of the power cable is poor and easily damaged by external forces, which is not conducive to human use. Furthermore, the existing protective effect of the power cable cannot meet requirements well, and its high-voltage resistance and flame-retardant properties are poor, which have certain adverse effects on human use. For this reason, we propose a wear-resistant aluminum alloy power cable. Content of the invention

[0004] Solved Technical Problems: In light of the shortcomings of the prior art, the present invention provides a wear-resistant aluminum alloy power cable that can enhance the protective effect of the power cable, has insulating, flame-retardant, voltage-resistant, and waterproof properties, and increases the wear resistance of the cable surface. It also easily supports and protects the aluminum core body, making it resistant to displacement and damage, thus increasing the service life of the cable and effectively solving the problems in the background technology.

[0005] Technical Solution: In order to achieve the above objectives, the technical solution adopted by the present invention is as follows: A wear-resistant aluminum alloy power cable comprising a cable body, characterized in that the cable body is internally provided with a first cable core, a second cable core, a third cable core, a protective sheath, and a supporting protective composite sleeve, wherein a triangular support frame and a flame-retardant filler are positioned under the first cable core, the second cable core, and the third cable core, wherein an inner core sleeve is positioned between the protective sheath and the flame-retardant filler, wherein an outer core sleeve is positioned between the protective sheath and the supporting protective composite sleeve, wherein a composite protective core foil is positioned inside the first cable core, the second cable core, and the third cable core,wherein an aluminum core body is arranged within the composite protective core foil, wherein the outer sides of the cable core, the second cable core and the third cable core are all positioned with a sleeve foil, wherein the surface of the protective sheath is positioned with a protective sheath adhesive foil.

[0006] As a preferred technical solution of the present application, the composite protective core film comprises an insulating film, a flame-retardant film, a wear-resistant film, a voltage-resistant film and a waterproof film, wherein the voltage-resistant film is arranged on the surface of the insulating film, wherein the flame-retardant film is arranged on the surface of the voltage-resistant film, wherein the waterproof film is arranged on the surface of the flame-retardant film, wherein the wear-resistant film is arranged on the surface of the waterproof film.

[0007] As a preferred technical solution of the present application, the supporting protective composite sleeve comprises an inner support frame, a support element, an outer protective shell, an outer support frame body, a reinforcing frame and a filled protective wadding, wherein the inner support frame body is arranged on the surface of the filled protective wadding, wherein the support element is arranged between the outer support frame body and the inner support frame body, wherein the reinforcing frame is arranged within the outer protective shell.

[0008] As a preferred technical solution of the present application, the inner core sleeve comprises a thermosetting outer protective sheath, a polyester sleeve, a copper wire braid sleeve, a halogen-free low-smoke flame-retardant sleeve and a shielding sleeve, the copper wire braid sleeve is located on the surface of the halogen-free low-smoke flame-retardant sleeve, the polyester sleeve is arranged on the surface of the copper wire braid sleeve, the shielding sleeve is arranged on the surface of the polyester sleeve and the thermosetting outer protective sheath is arranged on the surface of the shielding sleeve.

[0009] As a preferred technical solution of the present application, the first cable core, the second cable core and the third cable core are filled or positioned by a triangular support frame and a flame-retardant filler, wherein the inner core sleeve, the protective sheath, the outer core sleeve, the supporting protective composite sleeve and the protective sheath adhesive film are integrally formed by hot pressing.

[0010] As a preferred technical solution of the present application, the insulating film, the voltage-resistant film, the flame-retardant film, the waterproof film and the wear-resistant film are integrally formed by hot pressing.

[0011] As a preferred technical solution of the present application, the interior of the outer protective jacket is supported by a reinforcing frame, wherein a support element for supporting is inserted between the outer support frame body and the inner support frame body, wherein the inner support frame body and the filled protective wadding are adjacent and positioned.

[0012] As a preferred technical solution of the present application, the halogen-free low-smoke flame retardant sleeve, the copper wire braid sleeve, the polyester sleeve, the shielding sleeve and the thermosetting outer protective sheath are formed in one piece by hot pressing.

[0013] Advantageous Effects: Compared with the prior art, the present invention provides a wear-resistant aluminum alloy power cable with the following advantageous effects: The wear-resistant aluminum alloy power cable is provided with a composite protective core foil, a supporting protective composite sleeve, and a composite core sleeve, which enhances the protective effect of the power cable and has insulating, flame-retardant, voltage-resistant, and waterproof properties while enhancing the wear-resistant properties of the cable surface. It is also easy to support and protect the aluminum core body, so it is not susceptible to displacement and damage, and the service life of the cable is increased. Among the first cable core, the second cable core, and the third cable core are filled or positioned by a triangular support frame and the flame-retardant filler.The inner core sleeve, protective sheath, outer core sleeve, supporting composite protective sleeve, and protective sheath adhesive film are all integrally formed by hot pressing. The insulating film, voltage-resistant film, flame-retardant film, waterproof film, and wear-resistant film are all integrally formed by hot pressing. The inner part of the outer protective sheath is supported by a reinforcing frame. A support member is positioned between the outer support frame body and the inner support frame body. The inner support frame body and the filled protective cotton are positioned adjacently. The halogen-free, low-smoke flame-retardant sleeve, the copper wire braid sleeve, the polyester sleeve, the shielding sleeve, and the thermosetting outer protective sheath are all integrally formed by hot pressing. The entire power cable has a simple structure, is easy to use, and the application effect is better than that of conventional designs. Illustration of the attached drawings Fig. 1 is a schematic diagram of the overall structure of the wear-resistant aluminum alloy power cable of the present invention. Fig. 2 is a structural schematic diagram of an internal cross-sectional view in the wear-resistant aluminum alloy power cable of the present invention. Fig. 3 is a structural schematic diagram of a composite protective core foil in the wear-resistant aluminum alloy power cable of the present invention. Fig. 4 is a structural schematic diagram of the cable core in the wear-resistant aluminum alloy power cable of the present invention. Fig. 5 is a structural schematic diagram of the supporting protective composite sleeve in the wear-resistant aluminum alloy power cable of the present invention. Fig. 6 is a structural schematic diagram of the inner support frame in the wear-resistant aluminum alloy power cable of the present invention. Fig. 7 is a structural schematic diagram of the inner core sleeve in the wear-resistant aluminum alloy power cable of the present invention.

[0014] In the figures: 1. Cable body; 2. Protective sheath adhesive film; 3. Protective sheath; 4. First cable core; 5. Second cable core; 6. Third cable core; 7. Composite protective core film; 8. Aluminum core body; 9. Triangular support frame; 10. Sleeve film; 11. Flame-retardant filler; 12. Inner core sleeve; 13. Outer core sleeve; 14. Support core protective composite sleeve; 15. Insulating film; 16. Flame-retardant film; 17. Wear-resistant film; 18. Voltage-resistant film; 19. Waterproof film; 20. Inner support frame body; 21. Support member; 22. Outer protective sheath; 23. Outer support frame body; 24. Reinforcing frame; 25. Filled protective wadding; 26. Thermosetting outer protective sheath; 27. Polyester sleeve; 28. Copper wire braid sleeve; 29. Halogen-free, low-smoke flame-retardant sleeve; 30. Shielding sleeve. Specific embodiments

[0015] The technical solutions of the present invention will be described clearly and fully below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the embodiments described below are some, but not all, of the embodiments of the present invention and are intended to illustrate the present invention and should not be construed to limit the scope of the present invention. Based on the embodiments in the present invention, any other embodiments obtained by a person of ordinary skill in the art without performing creative work fall within the scope of the present invention. If the specific conditions are not specified in the examples, they must be carried out in accordance with the usual conditions or the conditions recommended by the manufacturer.Reagents or instruments used that do not specify the manufacturer are conventional products that can be purchased commercially.

[0016] When describing the invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside", etc., refer to the orientation or relationship indicated based on the orientation or relationship shown in the accompanying drawings or the orientation or relationship shown therein. These terms are intended solely to facilitate and simplify the description of the invention and are not intended to indicate or imply that the assembly or component referred to has a particular orientation or must be constructed and operated in a particular manner, and are therefore not intended to limit the invention. The terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative meaning.

[0017] When describing the present invention, it should be noted that the terms "arrange," "install," "connect," and "connect" are to be interpreted broadly unless expressly stated and limited otherwise. For example, it may refer to a fixed connection, a detachable connection, or a one-piece connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection via an intermediate medium; or a connection within two components. A person skilled in the art will be able to understand the specific meaning of the above terms in the context of the invention in each individual case.

[0018] As in the Fig.1-7, a wear-resistant aluminum alloy power cable comprises a cable body 1, the cable body 1 being provided internally with a first cable core 4, a second cable core 5, a third cable core 6, a protective sheath 3, and a supporting protective composite sleeve 14, a triangular support frame 9 and a flame-retardant filler 11 being positioned under the first cable core 4, the second cable core 5, and the third cable core 6, an inner core sleeve 12 being positioned between the protective sheath 3 and the flame-retardant filler 11, an outer core sleeve 13 being positioned between the protective sheath 3 and the supporting protective composite sleeve 14, a composite protective core foil 7 being positioned within the first cable core 4, the second cable core 5, and the third cable core 6, an aluminum core body 8 being arranged within the composite protective core foil 7, the outer sides of the cable core 4,The second cable core 5 and the third cable core 6 are all positioned with a sleeve film 10, and the surface of the protective sheath 3 is positioned with a protective sheath adhesive film 2. It is equipped with a composite protective core film, a supporting protective composite sleeve, and a composite core sleeve, which can increase the protective effect of the power cable. It is thus insulating, flame-retardant, voltage-resistant, and waterproof, while simultaneously increasing the wear resistance of the cable surface. It can also facilitate the support and protection of the aluminum core body, which is not prone to displacement and damage, and can increase the service life of the cable.

[0019] Furthermore, the composite protective core film 7 comprises an insulating film 15, a flame-retardant film 16, a wear-resistant film 17, a voltage-resistant film 18 and a waterproof film 19, wherein the voltage-resistant film 18 is arranged on the surface of the insulating film 15, wherein the flame-retardant film 16 is arranged on the surface of the voltage-resistant film 18, wherein the waterproof film 19 is arranged on the surface of the flame-retardant film 16, wherein the wear-resistant film 17 is arranged on the surface of the waterproof film 19.

[0020] Furthermore, the supporting protective composite sleeve 14 comprises an inner support frame body 20, a support element 21, an outer protective shell 22, an outer support frame body 23, a reinforcing frame 24 and a filled protective batting 25, wherein the inner support frame body 20 is arranged on the surface of the filled protective batting 25, wherein the support element 21 is arranged between the outer support frame body 23 and the inner support frame body 20, wherein the reinforcing frame 24 is arranged within the outer protective shell 22.

[0021] Furthermore, the inner core sleeve 12 comprises a thermosetting outer protective jacket 26, a polyester sleeve 27, a copper wire braid sleeve 28, a halogen-free, low-smoke flame-retardant sleeve 29 and a shielding sleeve 30, the copper wire braid sleeve 28 is located on the surface of the halogen-free, low-smoke flame-retardant sleeve 29, the polyester sleeve 27 is arranged on the surface of the copper wire braid sleeve 28, the shielding sleeve 30 is arranged on the surface of the polyester sleeve 27 and the thermosetting outer protective jacket 26 is arranged on the surface of the shielding sleeve 30.

[0022] Furthermore, the first cable core 4, the second cable core 5 and the third cable core 6 are filled or positioned by a triangular support frame 9 and a flame-retardant filler 11, wherein the inner core sleeve 12, the protective sheath 3, the outer core sleeve 13, the supporting protective composite sleeve 14 and the protective sheath adhesive film 2 are formed integrally by hot pressing.

[0023] Furthermore, the insulating film 15, the voltage-resistant film 18, the flame-retardant film 16, the waterproof film 19 and the wear-resistant film 17 are integrally formed by hot pressing.

[0024] Furthermore, the inside of the outer protective shell 22 is supported by a reinforcing frame 24, wherein a support member 21 is inserted between the outer support frame body 23 and the inner support frame body 20 for supporting, wherein the inner support frame body 20 and the filled protective wadding 25 are adjacent and positioned.

[0025] Furthermore, the halogen-free, low-smoke flame retardant sleeve 29, the copper wire braid sleeve 28, the polyester sleeve 27, the shielding sleeve 30 and the thermosetting outer protective sheath 26 are formed in one piece by hot pressing.

[0026] Working principle: This invention includes cable body 1, protective sheath adhesive film 2, protective sheath 3, first cable core 4, second cable core 5, third cable core 6, composite protective core film 7, aluminum core body 8, triangular support frame 9, sleeve film 10, flame retardant filler 11, inner core sleeve 12, outer core sleeve 13, support core protective composite sleeve 14, insulating film 15, flame retardant film 16, wear-resistant film 17, voltage-resistant film 18, waterproof film 19, inner support frame body 20, support member 21, outer protective sheath 22; Outer support frame body 23, reinforcement frame 24, filled protective wadding 25, thermosetting outer protective sheath 26, polyester sleeve 27, copper wire braid sleeve 28, halogen-free low-smoke flame-retardant sleeve 29, shielding sleeve 30. Under the first cable core 4, the second cable core 5 and the third cable core 6 is filled or positioned by a triangular support frame 9 and the flame-retardant filler 11.The inner core sleeve 12, the protective sheath 3, the outer core sleeve 13, the supporting protective composite sleeve 14, and the protective sheath adhesive film 2 are integrally formed by hot pressing. The insulating film 15, the voltage-resistant film 18, the flame-retardant film 16, the waterproof film 19, and the wear-resistant film 17 are integrally formed by hot pressing. The interior of the outer protective sheath 22 is supported by a reinforcing frame 24. A support element 21 is positioned between the outer support frame 23 and the inner support frame 20. The inner support frame 20 and the filled protective wadding 25 are positioned adjacently. The halogen-free, low-smoke flame-retardant sleeve 29, the copper wire braid sleeve 28, the polyester sleeve 27, the shielding sleeve 30, and the thermosetting outer protective sheath 26 are integrally formed by hot pressing.It is equipped with a composite protective core foil, a supporting protective composite sleeve, and a composite core sleeve, which can increase the protective effect of the power cable. It is thus insulating, flame-retardant, voltage-resistant, and waterproof, while also increasing the wear resistance of the cable surface. It can also facilitate the support and protection of the aluminum core body, which is not prone to displacement and damage, and can extend the service life of the cable.

[0027] It should be noted that, in this context, relational terms such as first and second (I, II), etc., are used only to distinguish one object or process from another object or process, without necessarily requiring or implying that such an actual relationship or order exists between those objects or processes. Furthermore, the term "comprising," "containing," or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, procedure, article, or device comprising a set of elements includes not only those elements but also other elements not expressly listed or that are inherent in such a process, procedure, article, or device. In the absence of further limitations, elements implied by the phrase "comprising" include...’ does not exclude the presence of additional identical elements in the process, method, article or device incorporating those elements.

[0028] The basic principles, main features, and advantages of the present invention have been described above. Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and the principles explained in the specification are merely illustrative of the present invention. Various modifications and improvements may be made within the spirit and scope of the present invention.

[0029] In summary, the present invention discloses a wear-resistant aluminum alloy power cable comprising a cable body, the cable body being internally provided with a first cable core, a second cable core, a third cable core, a protective sheath, and a supporting protective composite sleeve, a triangular support frame and a flame-retardant filler being positioned under the first cable core, the second cable core, and the third cable core, an inner core sleeve being positioned between the protective sheath and the flame-retardant filler, an outer core sleeve being positioned between the protective sheath and the supporting protective composite sleeve, and a composite protective core foil being positioned within the first cable core, the second cable core, and the third cable core.The wear-resistant aluminum alloy power cable described in the present invention is provided with a composite protective core foil, a supporting protective composite sleeve, and a composite core sleeve, which can increase the protective effect of the power cable, exhibit insulating, flame-retardant, voltage-resistant, and waterproof properties, and enhance the wear resistance of the cable surface. It is also easy to support and protect the aluminum core body, making it resistant to displacement and damage, thus increasing the service life of the cable.

Claims

[1] Wear-resistant power cable made of aluminum alloy, comprising a cable body (1), characterized bythat the cable body (1) is provided internally with a first cable core (4), a second cable core (5), a third cable core (6), a protective sheath (3) and a supporting protective composite sleeve (14), wherein a triangular support frame (9) and a flame-retardant filler (11) are positioned under the first cable core (4), the second cable core (5) and the third cable core (6), wherein an inner core sleeve (12) is positioned between the protective sheath (3) and the flame-retardant filler (11), wherein an outer core sleeve (13) is positioned between the protective sheath (3) and the supporting protective composite sleeve (14), wherein a composite protective core foil (7) is positioned within the first cable core (4), the second cable core (5) and the third cable core (6), wherein an aluminum core body (8) is arranged within the composite protective core foil (7), wherein the outer sides of the cable core (4),the second cable core (5) and the third cable core (6) are all positioned with a sleeve film (10), wherein the surface of the protective sheath (3) is positioned with a protective sheath adhesive film (2). [2] Wear-resistant aluminum alloy power cable according to claim 1, characterized by in that the composite protective core film (7) comprises an insulating film (15), a flame-retardant film (16), a wear-resistant film (17), a voltage-resistant film (18) and a waterproof film (19), wherein the voltage-resistant film (18) is arranged on the surface of the insulating film (15), wherein the flame-retardant film (16) is arranged on the surface of the voltage-resistant film (18), wherein the waterproof film (19) is arranged on the surface of the flame-retardant film (16), wherein the wear-resistant film (17) is arranged on the surface of the waterproof film (19). [3] Wear-resistant aluminum alloy power cable according to claim 1, characterized byin that the supporting protective composite sleeve (14) comprises an inner support frame body (20), a support element (21), an outer protective casing (22), an outer support frame body (23), a reinforcing frame (24) and a filled protective wadding (25), wherein the inner support frame body (20) is arranged on the surface of the filled protective wadding (25), wherein the support element (21) is arranged between the outer support frame body (23) and the inner support frame body (20), wherein the reinforcing frame (24) is arranged within the outer protective casing (22). [4] Wear-resistant aluminum alloy power cable according to claim 1, characterized byin that the inner core sleeve (12) comprises a thermosetting outer protective sheath (26), a polyester sleeve (27), a copper wire braid sleeve (28), a halogen-free, low-smoke flame-retardant sleeve (29), and a shielding sleeve (30), the copper wire braid sleeve (28) is located on the surface of the halogen-free, low-smoke flame-retardant sleeve (29), the polyester sleeve (27) is arranged on the surface of the copper wire braid sleeve (28), the shielding sleeve (30) is arranged on the surface of the polyester sleeve (27), and the thermosetting outer protective sheath (26) is arranged on the surface of the shielding sleeve (30). [5] Wear-resistant aluminum alloy power cable according to claim 1, characterized byin that the first cable core (4), the second cable core (5) and the third cable core (6) are filled or positioned by a triangular support frame (9) and a flame-retardant filler (11), wherein the inner core sleeve (12), the protective sheath (3), the outer core sleeve (13), the supporting protective composite sleeve (14) and the protective sheath adhesive film (2) are formed in one piece by hot pressing. [6] Wear-resistant aluminum alloy power cable according to claim 2, characterized by that the insulating film (15), the voltage-resistant film (18), the flame-retardant film (16), the waterproof film (19) and the wear-resistant film (17) are formed in one piece by hot pressing. [7] Wear-resistant aluminum alloy power cable according to claim 3, characterized bythat the interior of the outer protective casing (22) is supported by a reinforcing frame (24), wherein a support element (21) is inserted between the outer support frame body (23) and the inner support frame body (20) for supporting, wherein the inner support frame body (20) and the filled protective wadding (25) are adjacent and positioned. [8] Wear-resistant power cable made of an aluminum alloy according to claim 4, characterized by that the halogen-free, low-smoke flame-retardant sleeve (29), the copper wire braid sleeve (28), the polyester sleeve (27), the shielding sleeve (30) and the thermosetting outer protective sheath (26) are formed in one piece by hot pressing.

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