Anti-oxidation corrosion-resistant rare earth aluminum alloy cable

Abstract

The utility model discloses an anti-oxidation corrosion-resistant rare earth aluminum alloy cable, which comprises an aluminum alloy cable core, an isolating layer is arranged on the outer surface of the aluminum alloy cable core, an insulating layer is fixedly connected to the outer surface of the isolating layer, and a sheath and a sealing device are fixedly connected to the outer surface of the insulating layer. The sealing device comprises a limiting piece, a connecting sleeve, a limiting ring, a sealing hose, a bolt, a nut and a fastening threaded sleeve, the outer surface of the limiting piece is fixedly connected with the connecting sleeve, the outer surface of the connecting sleeve is fixedly connected with the sealing hose, and the outer surface of the bolt is in threaded connection with the nut. The inner surface of the fastening threaded sleeve is in threaded connection with the limiting piece, through the sealing device, the joint cannot be bent and broken when being stressed, the cable has higher bending performance, the sealing performance can be improved, the internal cable core is prevented from being corroded by rainwater, the oxidation resistance and corrosion resistance of the cable are enhanced, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to an oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable. Background Art

[0002] The vast majority of cables are products with exactly the same cross-sectional (cross-sectional) shape (ignoring errors caused by manufacturing) and are in the form of long strips. This is due to the fact that they are used to form lines or coils in systems or equipment. Cables, as the main carrier of power transmission, are widely used in electrical equipment, lighting lines, household appliances, etc. Their quality directly affects the quality of the project and the safety of life and property of consumers.

[0003] After searching, it was found that the technical solution provided by the utility model with application number CN202020742277.2 is to move the support cover toward the insulating seat by sliding the insulating cover on the limit slide, and then, by rotating the insulating cover, the support cover is gradually embedded in the connecting frame, so as to facilitate further support and fixation of the connection between the first cable and the second cable, and make the two sides of the insulating cover fit tightly with the insulating seat and the sealing rubber ring respectively, thereby preventing external rainwater from seeping into the first cable core and the second cable core, so as to extend the service life of the cable. However, this connection method has a long length of the cable connection part, which will make the bending resistance of the outer shell worse, and it is easy to break and bend when it is vibrated or stressed, and the insulating cover and the limit slide can slide relative to each other, resulting in a certain gap between the two, which will reduce the sealing of the connection part, and it is easy to get damp and cause short circuit, thereby affecting the product quality. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable. The sealing device can prevent the connection from bending and breaking when subjected to force, so that the cable has stronger bending performance, and can improve the sealing performance, so that the internal cable core is not corroded by rainwater, enhance its oxidation-resistant and corrosion-resistant performance, and extend the service life of the cable.

[0005] The utility model also provides the above-mentioned oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, an aluminum alloy cable core, the outer surface of the aluminum alloy cable core is provided with an isolation layer, the outer surface of the isolation layer is fixedly connected with an insulating layer, and the outer surface of the insulating layer is fixedly connected with a sheath;

[0006] A sealing device, the sealing device includes a limit plate, a connecting sleeve, a limit ring, a sealing hose, a bolt, a nut and a fastening threaded sleeve, the outer surface of the limit plate is fixedly connected to the connecting sleeve, the outer surface of the connecting sleeve is fixedly connected to the sealing hose, the outer surface of the bolt is threadedly connected to the nut, and the inner surface of the fastening threaded sleeve is threadedly connected to the limit plate.

[0007] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, shrinkage grooves are formed between the limit plates, and the number of the limit plates is a plurality and they are distributed in a ring array, so as to reserve space when the limit plates are squeezed and shrunk.

[0008] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, the outer surface of the bolt is threadedly connected to the limiting ring, and the bolts are multiple and distributed in a circular array to prevent the tightening threaded sleeve from rotating.

[0009] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, a thread groove is provided inside the fastening threaded sleeve, and the inner surface of the thread groove is threadedly connected to the bolt.

[0010] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, one side of the nut is in contact with the fastening threaded sleeve, and the number of the nuts is multiple and distributed in a ring array.

[0011] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, a waterproof rubber sleeve is provided on the outer surface of the sheath, and the outer surface of the waterproof rubber sleeve is in contact with the limiting piece for sealing and waterproofing.

[0012] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, the material of the aluminum alloy cable core is rare earth aluminum alloy.

[0013] According to the oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, the sealing hose is made of a plastic insulating hose.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structure diagram of an oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable of the utility model;

[0017] Figure 2 This is a diagram showing the internal structure of a sealing device for an oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable of the utility model;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point B in the middle.

[0020] Legend:

[0021] 1. Aluminum alloy cable core; 2. Isolation layer; 3. Insulation layer; 4. Sheath; 5. Waterproof rubber sleeve; 6. Limiting piece; 7. Connecting sleeve; 8. Limiting ring; 9. Sealing hose; 10. Bolt; 11. Nut; 12. Shrinkage groove; 13. Fastening threaded sleeve. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is an oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, which includes an aluminum alloy cable core 1. The material of the aluminum alloy cable core 1 is rare earth aluminum alloy. The outer surface of the aluminum alloy cable core 1 is provided with an isolation layer 2, the outer surface of the isolation layer 2 is fixedly connected with an insulating layer 3, and the outer surface of the insulating layer 3 is fixedly connected with a sheath 4.

[0024] A sealing device, the sealing device includes a limiting plate 6, a connecting sleeve 7, a limiting ring 8, a sealing hose 9, a bolt 10, a nut 11 and a fastening threaded sleeve 13. The outer surface of the limiting plate 6 is fixedly connected to the connecting sleeve 7, the outer surface of the connecting sleeve 7 is fixedly connected to the sealing hose 9, the outer surface of the bolt 10 is threadedly connected to the nut 11, the inner surface of the fastening threaded sleeve 13 is threadedly connected to the limiting plate 6, a contraction groove 12 is formed between the limiting plates 6, the number of limiting plates 6 is multiple and distributed in a circular array, the outer surface of the bolt 10 is threadedly connected to the limiting ring 8, the number of the bolts 10 is multiple and distributed in a circular array, a thread groove is arranged inside the fastening threaded sleeve 13, the inner surface of the thread groove is threadedly connected to the bolt 10, one side of the nut 11 is in contact with the fastening threaded sleeve 13, the number of the nuts 11 is multiple and distributed in a circular array, the outer surface of the sheath 4 is provided with a waterproof rubber sleeve 5, the outer surface of the waterproof rubber sleeve 5 is in contact with the limiting plate 6, and the sealing hose 9 is made of a plastic insulating hose.

[0025] Working principle: first put the cable into the sealing device, then connect the two cables, put the connecting part on the lower surface of the sealing hose 9, tighten the fastening threaded sleeves 13 at both ends in opposite directions, so that the limiting piece 6 is tightly squeezed by the fastening threaded sleeve 13, and the waterproof rubber sleeve 5 is squeezed in the middle by the sheath 4 and the limiting piece 6 to achieve sealing, and then screw the bolt 10 into the limiting ring 8 and the fastening threaded sleeve 13, tighten the nut 11 to achieve limiting, prevent the fastening threaded sleeve 13 from loosening for a long time and rotating, resulting in poor sealing. The connecting part is protected by the sealing hose 9 from being eroded by rainwater, thereby enhancing its anti-oxidation and corrosion resistance, extending its service life, and greatly improving the bending performance of the device.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable, characterized in that: include: An aluminum alloy cable core (1), wherein an isolation layer (2) is provided on the outer surface of the aluminum alloy cable core (1), an insulating layer (3) is fixedly connected to the outer surface of the isolation layer (2), and a sheath (4) is fixedly connected to the outer surface of the insulating layer (3); A sealing device, the sealing device comprising a limiting plate (6), a connecting sleeve (7), a limiting ring (8), a sealing hose (9), a bolt (10), a nut (11) and a fastening threaded sleeve (13), wherein the outer surface of the limiting plate (6) is fixedly connected to the connecting sleeve (7), the outer surface of the connecting sleeve (7) is fixedly connected to the sealing hose (9), the outer surface of the bolt (10) is threadedly connected to the nut (11), and the inner surface of the fastening threaded sleeve (13) is threadedly connected to the limiting plate (6).

2. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: Contraction grooves (12) are formed between the limiting plates (6), and the limiting plates (6) are multiple in number and distributed in a circular array.

3. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: The outer surface of the bolt (10) is threadedly connected to the limiting ring (8), and the bolts (10) are multiple in number and distributed in a ring array.

4. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: The interior of the fastening threaded sleeve (13) is provided with a thread groove, and the inner surface of the thread groove is threadedly connected to the bolt (10).

5. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: One side of the nut (11) is in contact with the fastening threaded sleeve (13), and the nuts (11) are multiple and distributed in a ring array.

6. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: The outer surface of the protective sleeve (4) is provided with a waterproof rubber sleeve (5), and the outer surface of the waterproof rubber sleeve (5) is in contact with the limiting plate (6).

7. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: The material of the aluminum alloy cable core (1) is rare earth aluminum alloy.

8. The oxidation-resistant and corrosion-resistant rare earth aluminum alloy cable according to claim 1, characterized in that: The sealing hose (9) is made of a plastic insulating hose.

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