Plateau cold-resistant cable

Abstract

The utility model discloses a plateau cold-resistant cable, which comprises a cable sleeve, the cable sleeve comprises an outer sleeve and an inner sleeve, the inner sleeve is fixedly arranged on the inner side surface of the outer sleeve, a metal shielding layer is arranged on the inner side surface of the inner sleeve, a plurality of inner core groups are uniformly arranged on the inner side surface of the metal shielding layer, and the inner core groups are arranged on the inner side surface of the metal shielding layer. The inner core group is formed by winding a plurality of cable cores, and a protective coil is wound on the outer side surface of the inner core group. According to the utility model, the inner core group is arranged into a structure formed by winding a plurality of groups of cable cores so as to increase the tensile effect, meanwhile, the steel wire is additionally arranged at the center so as to effectively avoid the pull-apart condition in the dragging process, and the protective coil is arranged outside the inner core group so as to further protect the inner core group, so that the service life of the cable is prolonged, and the service life of the cable is prolonged. And the cable sleeve is arranged outside the inner core group, so that double-layer protection can be conveniently realized through the outer sleeve and the inner sleeve.

Description

Technical Field

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

[0002] At present, wires and cables are wire products that transmit electrical energy, electrical signals and realize electromagnetic energy conversion. Cables are usually composed of a cable core that transmits power or electrical signals and a sheath that plays a protective and insulating role. Existing cables are often used in various industrial and mining enterprises in the use of equipment and field operation equipment. Control cables that realize functions such as signal transmission are often used. As we all know, these cables are used in harsh environments. Some environments have various oils and fats, and the cables are easily corroded; some cables are often used in the field in the sun and wind, and are exposed to ultraviolet rays for a long time; sometimes they are used in low temperature environments, and the cable insulation and sheath are prone to freezing and cracking. Insulation damage causes short circuits, resulting in equipment damage.

[0003] Regarding the above-mentioned related technologies, it is found that the existing cables are easily affected by the harsh external environment when laid and used in plateau areas, resulting in a rapid reduction in the life of the cables, which poses a huge challenge to the safety of the equipment circuit transmission. Utility Model Content

[0004] The present application provides a plateau cold-resistant cable, which is used to solve the problems raised in the background technology.

[0005] The utility model is achieved in this way:

[0006] A plateau cold-resistant cable comprises a cable cover, wherein the cable cover comprises an outer cover and an inner cover, wherein the inner cover is fixedly arranged on the inner side surface of the outer cover, a metal shielding layer is arranged on the inner side surface of the inner cover, a plurality of inner core groups are evenly arranged on the inner side surface of the metal shielding layer, the inner core group is formed by winding a plurality of cable cores, and a protective coil is also wound on the outer side surface of the inner core group.

[0007] Furthermore, the outer jacket is made of polyurethane (PUR) composite material.

[0008] Furthermore, the inner sleeve is made of chlorinated polyethylene mixed with rubber material.

[0009] Furthermore, the metal shielding layer is a mesh shielding layer formed by weaving aluminum material.

[0010] Furthermore, a plurality of nylon filling strips of the limiting inner core groups are arranged on the inner side surface of the metal shielding layer, and a reinforcing filling strip is also installed at the center of the plurality of inner core groups.

[0011] Furthermore, the cable core includes a core skin and an inner core, the inner core is evenly arranged on the inner side of the core skin, and the inner core is fixedly connected to the core skin.

[0012] Furthermore, a steel wire is fixedly arranged at the center of the inner core group.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model increases the tensile resistance by arranging the inner core group into a structure in which multiple groups of cable cores are wound, and at the same time adds a steel wire at the center to effectively avoid tearing during dragging, and further protects the inner core group by arranging a protective coil on the outside of the inner core group, thereby increasing the service life of the cable, and by arranging a cable sleeve on the outside of the inner core group, double-layer protection is conveniently achieved through the outer sleeve and the inner sleeve, and when in use, the outer sleeve made of imported special polyurethane PUR composite material is used in combination with the inner sleeve made of chlorinated polyethylene mixed rubber material as the outer protective structure of the cable, which can effectively prevent the internal structure of the cable from being damaged during transportation and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a three-dimensional diagram of the overall structure in the embodiment of the utility model;

[0016] Figure 2 yes Figure 1 A perspective view of the cable sleeve shown;

[0017] Figure 3 yes Figure 1 A three-dimensional diagram showing the inner core group and the protective coil in cooperation;

[0018] Figure 4 yes Figure 3 A top view of the device shown.

[0019] In the figure: 1. cable sleeve; 11. outer sleeve; 12. inner sleeve; 2. metal shielding layer; 21. nylon filling strip; 22. reinforced filling strip; 3. inner core group; 31. cable core; 311. core skin; 312. inner core; 32. steel wire; 4. protective coil. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0021] Reference Figure 1 and Figure 2 As shown, a plateau cold-resistant cable comprises a cable sleeve 1, the cable sleeve 1 comprises an outer sleeve 11 and an inner sleeve 12, the inner sleeve 12 is fixedly arranged on the inner side of the outer sleeve 11, a metal shielding layer 2 is arranged on the inner side of the inner sleeve 12, a plurality of inner core groups 3 are evenly arranged on the inner side of the metal shielding layer 2, the inner core group 3 is wound by a plurality of cable cores 31, and a protective coil 4 is also wound on the outer side of the inner core group 3. By setting the structure of the cable sleeve 1, it is ensured that double-layer protection is achieved by the outer sleeve 11 and the inner sleeve 12, and at the same time, by setting the metal shielding layer 2 on the inner side of the inner sleeve 12, it is convenient to protect the inner core group 3 by the metal shielding layer 2, so as to ensure that the cable signal transmission process is not interfered by external signals, and the inner core group 3 is wound by a plurality of cable cores 31, so that the overall tensile effect of the inner core group 3 can be greatly increased during use, and at the same time, by winding a protective coil 4 on the outer side of the inner core group 3, the inner core group 3 is further protected by the protective coil 4, and the cold-resistant effect of the inner core group 3 is increased. The outer sleeve 11 is made of polyurethane PUR composite material. The inner sleeve 12 is made of chlorinated polyethylene mixed rubber material. By using the outer sleeve 11 made of imported special polyurethane PUR composite material and the inner sleeve 12 made of chlorinated polyethylene mixed rubber material as the outer protective structure of the cable, the internal structure of the cable can be effectively prevented from being damaged during transportation and installation.

[0022] Reference Figure 1 As shown, the metal shielding layer 2 is a mesh shielding layer formed by weaving aluminum. The mesh shielding layer formed by weaving aluminum is sleeved on the inner core group 3 for shielding. A plurality of nylon filling strips 21 for limiting the inner core group 3 are arranged on the inner side surface of the metal shielding layer 2, and a plurality of reinforcing filling strips 22 are also installed at the center of the inner core group 3. The nylon filling strips 21 and the reinforcing filling strips 22 are arranged to ensure that the inner core group 3 is stably installed in the metal shielding layer 2.

[0023] Reference Figure 3 and Figure 4 As shown, a steel wire 32 is also fixedly arranged at the center of the inner core group 3. The cable core 31 includes a core skin 311 and an inner core 312, and the inner core 312 is evenly arranged on the inner side of the core skin 311, and the inner core 312 is fixedly connected to the core skin 311. The structure of the cable core 31 ensures that the inner core 312 is wrapped by the core skin 311, and the inner core 312 can be protected at the same time, and the steel wire 32 is fixedly arranged at the center of the inner core group 3, so that the steel wire 32 can be used to increase the tensile effect of the entire cable and increase the durability of the entire cable.

[0024] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plateau cold-resistant cable, comprising a cable cover (1), characterized in that: The cable sleeve (1) comprises an outer sleeve (11) and an inner sleeve (12); the inner sleeve (12) is fixedly arranged on the inner side surface of the outer sleeve (11); a metal shielding layer (2) is arranged on the inner side surface of the inner sleeve (12); a plurality of inner core groups (3) are evenly arranged on the inner side surface of the metal shielding layer (2); the inner core group (3) is formed by winding a plurality of cable cores (31); and a protective coil (4) is also wound on the outer side surface of the inner core group (3).

2. The plateau cold-resistant cable according to claim 1, characterized in that: The outer jacket (11) is made of a polyurethane (PUR) composite material.

3. The plateau cold-resistant cable according to claim 2, characterized in that: The inner sleeve (12) is made of a chlorinated polyethylene mixed rubber material.

4. The plateau cold-resistant cable according to claim 3, characterized in that: The metal shielding layer (2) is a mesh shielding layer formed by weaving aluminum material.

5. The plateau cold-resistant cable according to claim 4, characterized in that: A plurality of nylon filling strips (21) for limiting the inner core groups (3) are arranged on the inner side surface of the metal shielding layer (2), and a reinforcing filling strip (22) is also installed at the center of the plurality of inner core groups (3).

6. The plateau cold-resistant cable according to claim 5, characterized in that: The cable core (31) comprises a core skin (311) and an inner core (312); the inner core (312) is evenly arranged on the inner side of the core skin (311), and the inner core (312) is fixedly connected to the core skin (311).

7. The plateau cold-resistant cable according to claim 6, characterized in that: A steel wire (32) is also fixedly arranged at the center of the inner core group (3).

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