High-strength cable

Abstract

The utility model discloses a high-strength cable, which comprises a cable main body, a protective inner tube is arranged on the outer surface of the cable main body, a connecting block is integrally and fixedly arranged on the outer surface of the protective inner tube, a protective outer tube is fixedly arranged on one side, far away from the protective inner tube, of the connecting block, and a rubber layer is arranged on the outer surface of the protective outer tube. And the connecting cylinders are installed between the adjacent connecting blocks, limiting movable cavities are formed in the connecting cylinders, limiting movable blocks are movably installed in the limiting movable cavities, and extending holes are formed in the two sides of each limiting movable cavity. According to the high-strength cable, the cable main body is protected by arranging the protective outer pipes and the protective inner pipes, the cable main body is prevented from being extruded and damaged, and meanwhile, the adjacent protective outer pipes and protective inner pipes are connected through structures formed by the steel wire ropes, the connecting cylinders and other components, so that the normal bending function of the cable is ensured, and the service life of the cable is prolonged. And meanwhile, the tensile property of the cable is improved, so that the overall strength of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high-strength cable. Background Art

[0002] Cable is an electrical energy or signal transmission device, usually composed of several or several groups of wires; cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc.; they are all composed of single or multiple wires and insulation layers, and are used to connect circuits, electrical appliances, etc.

[0003] China's authorization announcement number CN215417614U discloses a high-strength cable, including: a cable core, on which a high-strength outer protection structure is installed; it is characterized in that the high-strength outer protection structure includes: an insulating sleeve, a plurality of structural reinforcement support sheets, a filling layer, a wrapping tape, a first inner lining layer, a steel belt armor, an isolation layer, a reinforcement layer, a second inner lining layer and an outer protective layer; the utility model relates to the field of cable technology, and the beneficial effects of this case are: it solves the problem that the existing cable body has a simple external protection structure and only provides simple protection against exposed leakage. When in use, due to the problems of intensity and time of use, it is easy to cause damage and breakage, and it is easy to cause danger.

[0004] In order to ensure the bending performance of existing cables, the external reinforcement layer steel belt armor has a certain flexibility. As a result, when the cable is under pressure, a large part of the pressure will still act on the cable, affecting the use effect and life of the cable. For this reason, we propose a high-strength cable. Utility Model Content

[0005] The purpose of the utility model is to provide a high-strength cable to solve the problem in the above-mentioned background technology that in order to ensure the bending performance of the existing cables, the external reinforcement layer steel belt armor has a certain flexibility, resulting in a large part of the pressure still acting on the cable when the cable is subjected to pressure, affecting the use effect and life of the cable.

[0006] To achieve the above object, the utility model provides the following technical solution: a high-strength cable, comprising a cable body, a protective inner tube is installed on the outer surface of the cable body, a connecting block is fixedly installed on the outer surface of the protective inner tube in an integrated manner, a protective outer tube is fixedly installed on the side of the connecting block away from the protective inner tube, and a rubber layer is installed on the outer surface of the protective outer tube;

[0007] A connecting tube is installed between adjacent connecting blocks, a limited movable cavity is provided inside the connecting tube, a limited movable block is movably installed inside the limited movable cavity, extension holes are provided on both sides of the limited movable cavity, a steel wire rope is passed through the extension hole, and a support ring is fixedly installed on the inner side of the steel wire rope.

[0008] Preferably, the diameter of the inner part of the protective inner tube matches the diameter of the cable body, the cable body is fixedly connected to the protective inner tube, and the diameter of the protective outer tube is larger than the diameter of the protective inner tube.

[0009] Preferably, six connecting blocks are provided, and the connecting blocks are evenly distributed along the outer surface of the protective inner tube.

[0010] Preferably, six connecting tubes are provided, and the connecting tubes are evenly distributed along the outer surface of the protective inner tube.

[0011] Preferably, the connecting tube is fixedly connected to the protective inner tube, and the connecting tube is fixedly connected to the protective outer tube.

[0012] Preferably, the diameter of the limiting movable block is larger than the diameter of the extension hole, and the steel wire rope is movable inside the extension hole, and the steel wire rope is fixedly connected to the limiting movable block.

[0013] Compared with the prior art, the utility model provides a high-strength cable with the following beneficial effects: the high-strength cable protects the cable body by arranging a protective outer tube and a protective inner tube to prevent the cable body from being squeezed and damaged. At the same time, the adjacent protective outer tubes and protective inner tubes are connected by a structure composed of components such as steel wire ropes and connecting tubes, which not only ensures the normal bending function of the cable, but also increases the tensile performance of the cable, thereby improving the overall strength of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal structure of the connecting tube of the utility model.

[0017] In the figure: 1. Cable body; 2. Protective outer tube; 3. Support ring; 4. Rubber layer; 5. Steel wire rope; 6. Connecting block; 7. Protective inner tube; 8. Connecting tube; 9. Position limiting movable cavity; 10. Position limiting movable block; 11. Extension hole. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 A high-strength cable comprises a cable body 1, a protective inner tube 7 is installed on the outer surface of the cable body 1, and a connecting block 6 is fixedly installed on the outer surface of the protective inner tube 7 in an integrated manner; six connecting blocks 6 are provided, and the connecting blocks 6 are evenly distributed along the outer surface of the protective inner tube 7, and a protective outer tube 2 is fixedly installed on the side of the connecting block 6 away from the protective inner tube 7; the diameter size inside the protective inner tube 7 coincides with the diameter size of the cable body 1, and the cable body 1 is fixedly connected to the protective inner tube 7, and the diameter size of the protective outer tube 2 is larger than the diameter size of the protective inner tube 7, and a rubber layer 4 is installed on the outer surface of the protective outer tube 2; a connecting tube 8 is installed between adjacent connecting blocks 6; six connecting tubes 8 are provided, and the connecting tubes 8 are evenly distributed along the outer surface of the protective inner tube 7; the connecting tube 8 is fixedly connected to the protective inner tube 7, and the connecting tube 8 is fixedly connected to the protective outer tube 2 A limited movable cavity 9 is provided inside the connecting tube 8, and a limited movable block 10 is movably installed inside the limited movable cavity 9. Extension holes 11 are provided on both sides of the limited movable cavity 9, and a steel wire rope 5 is passed through the extension hole 11; the diameter of the limited movable block 10 is larger than the diameter of the extension hole 11, and the steel wire rope 5 can move inside the extension hole 11, and the steel wire rope 5 is fixedly connected to the limited movable block 10, and a supporting ring 3 is fixedly installed on the inner side of the steel wire rope 5; the cable body 1 is protected by arranging a protective outer tube 2 and a protective inner tube 7 to prevent the cable body 1 from being squeezed and damaged. At the same time, the adjacent protective outer tubes 2 and protective inner tubes 7 are connected by a structure composed of components such as the steel wire rope 5 and the connecting tube 8, which not only ensures the normal bending function of the cable, but also increases the tensile performance of the cable, thereby improving the overall strength of the cable.

[0020] Working principle: When using the high-strength cable, first, the protective outer tube 2 and the protective inner tube 7 are made of high-strength metal and have good pressure resistance, thereby protecting the cable body 1 and preventing the cable body 1 from being squeezed and damaged. Then, when the cable needs to be bent, the steel wire rope 5 at the inner bend will push the limiting movable block 10 to move in the limiting movable cavity 9 inside the connecting tube 8 to complete the bending action. At the same time, the six steel wire ropes 5 and the support ring 3 also play a certain supporting role to reduce the pressure on the cable body 1 at the bending point. Secondly, the protective outer tube 2, the protective inner tube 7 and can also bear the tension for the cable body 1, thereby greatly improving the strength of the cable, so that it can withstand greater tension and pressure. This is the working principle of the high-strength cable.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength cable, characterized in that: include: A cable body (1), wherein a protective inner tube (7) is installed on the outer surface of the cable body (1), a connecting block (6) is integrally fixedly installed on the outer surface of the protective inner tube (7), a protective outer tube (2) is fixedly installed on a side of the connecting block (6) away from the protective inner tube (7), and a rubber layer (4) is installed on the outer surface of the protective outer tube (2); A connecting tube (8) is installed between adjacent connecting blocks (6); a limit movable cavity (9) is provided inside the connecting tube (8); a limit movable block (10) is movably installed inside the limit movable cavity (9); extension holes (11) are provided on both sides of the limit movable cavity (9); a steel wire rope (5) is passed through the extension hole (11); a support ring (3) is fixedly installed on the inner side of the steel wire rope (5).

2. A high-strength cable according to claim 1, characterized in that: The inner diameter of the protective inner tube (7) matches the diameter of the cable body (1), the cable body (1) and the protective inner tube (7) are fixedly connected, and the diameter of the protective outer tube (2) is greater than the diameter of the protective inner tube (7).

3. A high-strength cable according to claim 1, characterized in that: Six connecting blocks (6) are provided, and the connecting blocks (6) are evenly distributed along the outer surface of the protective inner tube (7).

4. A high-strength cable according to claim 1, characterized in that: Six connecting tubes (8) are provided, and the connecting tubes (8) are evenly distributed along the outer surface of the protective inner tube (7).

5. A high-strength cable according to claim 1, characterized in that: The connecting tube (8) is fixedly connected to the protective inner tube (7), and the connecting tube (8) is fixedly connected to the protective outer tube (2).

6. A high-strength cable according to claim 1, characterized in that: The diameter of the position-limiting movable block (10) is greater than the diameter of the extension hole (11), and the steel wire rope (5) is movable inside the extension hole (11), and the steel wire rope (5) is fixedly connected to the position-limiting movable block (10).

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