Friction-resistant cable

Abstract

The utility model relates to a friction-resistant cable, which comprises a cable main body and a protective sleeve, the cable main body is provided with a wear-resistant layer, a fire insulation layer, a moisture-proof layer, an insulating layer and five wire cores from outside to inside in sequence, the inner wall of the protective sleeve is provided with a wear-resistant mechanism, and the outer surface of the protective sleeve is provided with a locking mechanism; a central column is fixedly installed at the center of the interior of the insulating layer, five partition plates are fixedly installed on the outer surface of the central column at equal intervals, and the five wire cores are fixedly installed between every two partition plates respectively; the anti-abrasion mechanism comprises a groove. According to the friction-resistant cable, through the arrangement of the protective sleeve, the cable main body can be placed in the protective sleeve for anti-friction protection, the phenomenon that the cable main body is directly exposed to the outside to cause friction is avoided, and under the action of the anti-wear mechanism, the friction generated by dragging the cable main body during maintenance is reduced, the damage is reduced, 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 a friction-resistant cable. Background Art

[0002] Cable is a device for transmitting electrical energy or signals. It is usually composed of several or several groups of wires. Cable is one of the indispensable infrastructures in modern society. It plays an important role in power transmission and information transfer.

[0003] In the context of rapid economic development, many cable failures are caused by mechanical damage. During the laying process of existing cables, dragging will cause friction. For example, during installation or maintenance, inappropriate operations such as dragging may cause friction between cables and damage their structure. This damage will reduce the service life of the cable, so friction-resistant cables are proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a friction-resistant cable with advantages such as protection when dragging, and solves the problem that the existing cables may cause friction due to dragging during the laying process. For example, during installation or maintenance, inappropriate operations such as dragging may cause friction between the cables and damage their structures. Such damage will reduce the service life of the cables.

[0005] To achieve the above object, the utility model provides the following technical solution: a friction-resistant cable, comprising a cable body and a protective sleeve, wherein the cable body is provided with a wear-resistant layer, a fire-proof layer, a moisture-proof layer, an insulating layer and five wire cores in sequence from the outside to the inside, an anti-wear mechanism is provided on the inner wall of the protective sleeve, and a locking mechanism is provided on the outer surface of the protective sleeve;

[0006] A central column is fixedly installed at the inner center of the insulating layer, and five partitions are fixedly installed at equal distances on the outer surface of the central column, and the five wire cores are respectively fixedly installed between every two of the partitions;

[0007] The anti-wear mechanism includes grooves, and three groups of grooves are equidistantly arranged in the axial direction inside the protective sleeve. Springs 1 are fixedly installed on the inner bottom walls of the three groups of grooves, and rollers slidably connected to the grooves are fixedly installed on the tops of the three groups of springs 1.

[0008] Furthermore, the locking mechanism includes a fixed box, a sliding rod is fixedly installed between the left and right inner walls of the fixed box, a spring 2 is sleeved on the surface of the sliding rod, both ends of the spring 2 are fixedly installed with sliding blocks slidably connected to the sliding rod, and hooks are fixedly installed on the tops of the two sliding blocks.

[0009] Furthermore, the protective sleeve has a C-shaped structure, the fixing box is fixedly installed at the bottom edge of the protective sleeve, a fixing block is fixedly installed at the top edge of the protective sleeve, and a card slot adapted to the two card hooks is opened at the bottom of the fixing block.

[0010] Furthermore, an opening is provided on the front side of the fixing box, and a pull rod penetrating the opening and extending to the outside of the fixing box is fixedly installed on the front sides of the two sliding blocks.

[0011] Furthermore, the wear-resistant layer is polyvinyl chloride, and the fire-insulating layer is mica tape.

[0012] Furthermore, the moisture-proof layer is a metal sealing sleeve, and the insulating layer is cross-linked polyethylene.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The friction-resistant cable can be provided with a protective cover, so that the cable body can be placed inside the protective cover for anti-friction protection, thereby avoiding the cable body being directly exposed to the outside and causing friction. Under the action of the anti-wear mechanism, the friction caused by dragging the cable body during maintenance is reduced, the damage is reduced, and its service life is extended.

[0015] 2. The friction-resistant cable can separate the cores by setting a partition between every two adjacent cores, thereby avoiding friction caused by contact between the five cores and protecting the cores. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the partition and the wire core of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the anti-wear mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the locking mechanism structure of the utility model.

[0020] In the figure: 1. cable body; 101. wear-resistant layer; 102. fire-proof layer; 103. moisture-proof layer; 104. insulating layer; 105. core; 2. protective sleeve; 201. anti-wear mechanism; 202. locking mechanism; 301. center column; 302. partition; 401. groove; 402. spring 1; 403. roller; 501. fixing block; 502. fixing box; 503. sliding rod; 504. spring 2; 505. sliding block; 506. hook; 507. pull rod; 508. slot. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The friction-resistant cable in this embodiment includes a cable body 1 and a protective sleeve 2. The cable body 1 is provided with a wear-resistant layer 101, a fire-proof layer 102, a moisture-proof layer 103, an insulating layer 104 and five cores 105 from the outside to the inside. An anti-wear mechanism 201 is provided on the inner wall of the protective sleeve 2, and a locking mechanism 202 is provided on the outer surface of the protective sleeve 2.

[0023] The wear-resistant layer 101 is polyvinyl chloride, which can protect the cable from corrosion in the natural environment, such as erosion by moisture and chemicals, as well as environmental factors such as ultraviolet rays, rodent damage and termites; the fire-insulating layer 102 is mica tape, which is a high-temperature resistant mineral material with a fire-insulating effect. It not only plays an insulating role, but also can protect the transmission of electrical energy in a flame environment.

[0024] The moisture-proof layer 103 is a metal sealing sleeve. The metal material has good high temperature resistance and corrosion resistance, which enables the cable body 1 to maintain a stable sealing effect in a high temperature environment and resist erosion and corrosion by chemical substances; the insulating layer 104 is cross-linked polyethylene, which not only increases the melting point and heat deformation temperature of the cable body 1, but also enhances its performance under extreme temperatures.

[0025] A central column 301 is fixedly installed at the inner center of the insulating layer 104 , and five partitions 302 are fixedly installed at equal distances on the outer surface of the central column 301 . Five wire cores 105 are fixedly installed between every two partitions 302 .

[0026] The anti-wear mechanism 201 includes grooves 401. Three groups of grooves 401 are equidistantly arranged axially inside the protective sleeve 2. Springs 402 are fixedly installed on the inner bottom walls of the three groups of grooves 401. Rollers 403 slidably connected to the grooves 401 are fixedly installed on the tops of the three groups of springs 402.

[0027] Under the action of the three groups of rollers 403, the three groups of rollers 403 can contact the surface of the cable body 1, so that when the cable body 1 is dragged, the friction generated by the dragging of the cable body 1 is reduced through the rotation of the three groups of rollers 403, thereby reducing wear.

[0028] The locking mechanism 202 includes a fixed box 502, a slide bar 503 is fixedly installed between the left and right inner walls of the fixed box 502, a spring 2 504 is sleeved on the surface of the slide bar 503, and sliders 505 slidably connected to the slide bar 503 are fixedly installed at both ends of the spring 2 504, and hooks 506 are fixedly installed on the tops of the two sliders 505.

[0029] A fixing block 501 is fixedly installed at the top edge of the protective sleeve 2 , and a clamping groove 508 adapted to the two clamping hooks 506 is formed at the bottom of the fixing block 501 .

[0030] An opening is formed on the front side of the fixing box 502 , and a pull rod 507 penetrating the opening and extending to the outside of the fixing box 502 is fixedly mounted on the front sides of the two sliding blocks 505 .

[0031] Under the action of the two pull rods 507 and through the contraction and expansion of the second spring 504, when the two pull rods 507 are pulled, the two hooks 506 can be driven to move relative to each other to exit the slot 508 or move oppositely to enter the slot 508, thereby locking the protective cover 2 and facilitating the placement of the cable body 1 into the interior of the protective cover 2 for protection.

[0032] When implementing, follow these steps:

[0033] 1) First, pull the two pull rods 507 in opposite directions. The two pull rods 507 drive the two sliders 505 to slide in opposite directions on the slide rod 503, thereby squeezing the second spring 504;

[0034] 2) Then the two sliders 505 drive the two hooks 506 to move in opposite directions to release the lock on the fixed block 501. At this time, the two edges of the protective cover 2 are opened and the cable body 1 is placed into the protective cover 2. At this time, the surface of the cable body 1 is in contact with the three sets of rollers 403;

[0035] 3) Then, by loosening the two pull rods 507, the two hooks 506 are inserted into the slots 508 under the expansion of the second spring 504, thereby fixing the connection of the protective sleeve 2;

[0036] 4) Finally, when the cable body 1 is dragged, the roller 403 elastically contacts the surface of the cable body 1 due to the contraction and expansion of the spring 402, and the hard friction is converted into rolling friction through the rolling of the roller 403, thereby reducing the damage caused by dragging.

[0037] To sum up, the friction-resistant cable, by providing a protective cover 2, can place the cable body 1 inside the protective cover 2 for anti-friction protection, thereby avoiding the cable body 1 being directly exposed to the outside and causing friction. Under the action of the anti-wear mechanism 201, the friction caused by dragging the cable body 1 during maintenance is reduced, reducing damage and thus extending its service life.

[0038] Furthermore, by providing a partition 302 between every two adjacent wire cores 105 , the wire cores 105 can be separated, thereby preventing the five wire cores 105 from contacting each other and causing friction, thereby protecting the wire cores 105 .

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although the 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 friction-resistant cable, comprising a cable body (1) and a protective sleeve (2), characterized in that: The cable body (1) is provided with a wear-resistant layer (101), a fire-proof layer (102), a moisture-proof layer (103), an insulating layer (104) and five wire cores (105) in sequence from the outside to the inside; an anti-wear mechanism (201) is provided on the inner wall of the protective sleeve (2); and a locking mechanism (202) is provided on the outer surface of the protective sleeve (2); A central column (301) is fixedly installed at the inner center of the insulating layer (104), five partitions (302) are fixedly installed at equal distances on the outer surface of the central column (301), and the five wire cores (105) are respectively fixedly installed between every two of the partitions (302); The anti-wear mechanism (201) comprises a groove (401), and three groups of grooves (401) are equidistantly arranged in the axial direction inside the protective sleeve (2), and springs (402) are fixedly mounted on the inner bottom walls of the three groups of grooves (401), and rollers (403) slidably connected to the grooves (401) are fixedly mounted on the tops of the three groups of springs (402).

2. The friction-resistant cable according to claim 1, characterized in that: The locking mechanism (202) comprises a fixed box (502), a sliding rod (503) is fixedly installed between the left and right inner walls of the fixed box (502), a second spring (504) is sleeved on the surface of the sliding rod (503), sliding blocks (505) slidably connected to the sliding rod (503) are fixedly installed at both ends of the second spring (504), and hooks (506) are fixedly installed on the tops of the two sliding blocks (505).

3. The friction-resistant cable according to claim 2, characterized in that: The protective sleeve (2) has a C-shaped structure, the fixing box (502) is fixedly installed at the bottom edge of the protective sleeve (2), a fixing block (501) is fixedly installed at the top edge of the protective sleeve (2), and a card slot (508) adapted to the two card hooks (506) is provided at the bottom of the fixing block (501).

4. The friction-resistant cable according to claim 2, characterized in that: The front side of the fixing box (502) is provided with an opening, and the front sides of the two sliding blocks (505) are both fixedly mounted with a pull rod (507) that passes through the opening and extends to the outside of the fixing box (502).

5. The friction-resistant cable according to claim 1, characterized in that: The wear-resistant layer (101) is polyvinyl chloride, and the fire-insulating layer (102) is mica tape.

6. The friction-resistant cable according to claim 1, characterized in that: The moisture-proof layer (103) is a metal sealing sleeve, and the insulating layer (104) is cross-linked polyethylene.

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