A cable having a single core that can be branched

Abstract

The utility model discloses a kind of cables with single-core branchable, it is related to cable field, including protection assembly, the end of protection assembly is provided with end cap, cable body is inserted in the inside of protection assembly, wherein, protection assembly includes protective cover, the low end in the inside of protective cover is provided with guide roller, the inside of protective cover one side is uniformly provided with multiple sets of limiting post, the middle position of one side of protective cover one end is provided with jack, the other side of protective cover one end is uniformly provided with multiple sets of through-hole;Wherein, cable body includes main cable, the inside of main cable is uniformly provided with multiple sets of branch cable.The utility model, when main cable and branch cable part are damaged, part of main cable wound on guide roller can be directly removed, or redundant insulating adhesive layer is stripped, and make branch cable more extended from through-hole, for directly replacing damaged part, to facilitate maintenance cutting and replacement operation, reduce cost.

Description

Technical Field

[0001] This utility model relates to the field of cables, specifically a single-core branchable cable. Background Technology

[0002] A single-core cable refers to a cable with only one conductor within a single insulation layer. When the voltage exceeds 35kV, most cables use single-core cables. The relationship between the conductor and the metal shield can be compared to the relationship between the coil and the iron core in the primary winding of a transformer. When current flows through the conductor of a single-core cable, magnetic lines of force will link the aluminum sheath or metal shield, inducing a voltage at both ends. Power cables are generally composed of conductors, insulation layers, and protective layers, and can be single-core, double-core, or triple-core. A single-core cable has only one conductor within a single insulation layer; if used in a single-phase lighting circuit, two conductors must be laid in parallel. A double-core cable has two conductors within a single insulation layer; if used in a single-phase lighting circuit, only one conductor must be laid.

[0003] To facilitate transposition connections via cross-connection boxes, a single-core cable transposition connection device has been developed (see patent number: 201910875537.5). Urban power grids typically use high-voltage single-core cables for power transmission. When current flows through the cable core, an induced voltage is generated on the cable's metal sheath. The higher the cable load and the longer the line, the higher the induced voltage. If the three-phase cable circuits are perfectly symmetrical and the currents in the three-phase circuits are also perfectly symmetrical, then the voltages induced in the aluminum sheaths of the three-phase cables are perfectly symmetrical, and their vector sum is zero. Utilizing this principle, longer cable lines can be cross-connected at the joints with three-phase metal sheaths. Through two cross-connections, the induced voltage in the entire cross-connection section is reduced. At the insulated joints of the cross-connection section, coaxial cables are used to connect to the metal sheaths on both sides of the joint, and transposition connections are achieved through cross-connection boxes.

[0004] In the process of branching a single-core cable, the outer insulation layer needs to be peeled off first. After peeling, the internal cables will become tangled together during use, which increases the difficulty of subsequent operations and makes it inconvenient to operate in batches. At the same time, if the branched cable is damaged, it needs to be completely replaced and cannot be extended (using the extended part to replace the damaged part), thus increasing the cost. Utility Model Content

[0005] The purpose of this invention is to provide a single-core branchable cable to solve the problems of branch entanglement and the inability to perform local extension replacement when damaged.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a single-core branchable cable, including a protective component, one end of which is provided with an end cap, and a cable body is inserted inside the protective component;

[0007] The protective component includes a protective cover, a guide roller is provided at the lower end of the interior of the protective cover, multiple sets of limiting posts are evenly arranged on one side of the interior of the protective cover, an insertion hole is provided at the middle position of one side of the protective cover, and multiple sets of through holes are evenly arranged on the other side of one side of the protective cover.

[0008] The cable body includes a main cable, and multiple sets of branch cables are evenly arranged inside the main cable.

[0009] As a further embodiment of this utility model: each of the four corners of one end of the end cap is provided with a movable hole, and a bolt is inserted inside the movable hole; each of the four corners of one end of the protective cover is provided with a threaded hole; the end cap is detachably connected to the protective cover through the mutual cooperation of the threaded hole and the bolt.

[0010] As a further improvement of this utility model, the main cable is movably connected to the protective cover through a socket.

[0011] As a further improvement of this utility model, the branch cable is movably connected to the protective cover through the cooperation of the through hole and the limiting post.

[0012] As a further improvement of this utility model, the number of through holes and limiting posts are three sets, and each set of through holes and limiting posts is aligned.

[0013] As a further improvement of this utility model, one side of the main cable is wound and connected to the guide roller.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The protective cover can protect the present utility model embodiment. At the same time, some main cables are directly inside the protective cover. When the main cable and branch cable are damaged, the part of the main cable wrapped on the guide roller can be directly removed, or the excess insulating layer can be peeled off, and more branch cables can be extended from the through hole to directly replace the damaged part. This facilitates the operation of repair, cutting and replacement, and reduces costs.

[0016] 2. By setting limit posts and through holes, the branch cables are prevented from being randomly tangled inside the protective cover. They are distributed according to their functions and led out from the corresponding through holes, which facilitates the subsequent electrical connection of the branch cables and reduces the difficulty of operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the external structure of this utility model.

[0020] In the diagram: 1. Protective components; 101. Protective cover; 102. Guide roller; 103. Limiting post; 104. Insertion hole; 105. Through hole; 106. Threaded hole; 2. End cap; 201. Bolt; 3. Cable body; 301. Main cable; 302. Branch cable. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-3 In this embodiment of the present invention, a single-core branchable cable includes a protective component 1, an end cap 2 is provided at one end of the protective component 1, and a cable body 3 is inserted inside the protective component 1.

[0023] The protective component 1 includes a protective cover 101. A guide roller 102 is provided at the lower end of the interior of the protective cover 101. Multiple sets of limiting posts 103 are evenly arranged on one side of the interior of the protective cover 101. An insertion hole 104 is provided at the middle position of one side of one end of the protective cover 101. Multiple sets of through holes 105 are evenly arranged on the other side of one end of the protective cover 101.

[0024] The cable body 3 includes a main cable 301, and multiple sets of branch cables 302 are evenly arranged inside the main cable 301.

[0025] In this embodiment, the cable is an insulated conductor consisting of one or more mutually insulated conductive cores placed in a sealed sheath, with an additional protective covering layer. It is used to transmit and distribute electrical energy or transmit electrical signals and mainly consists of four parts: conductive cores, insulation layer, sealed sheath, and protective covering layer.

[0026] Please refer to this carefully. Figures 1-3 The end cap 2 has movable holes at all four corners, and bolts 201 are inserted inside the movable holes. The protective cover 101 has threaded holes 106 at all four corners. The end cap 2 is detachably connected to the protective cover 101 through the threaded holes 106 and the bolts 201.

[0027] In this embodiment: a bolt is a mechanical part consisting of a head and a threaded rod. The threaded rod is a cylinder with external threads and needs to be fitted with a nut to fasten two parts with through holes. This type of connection is called a bolted connection, which is a detachable connection.

[0028] Please refer to this carefully. Figures 1-3 The main cable 301 is movably connected to the protective cover 101 through the socket 104.

[0029] Please refer to this carefully. Figures 1-3 The branch cable 302 is movably connected to the protective cover 101 through the cooperation of the through hole 105 and the limiting post 103.

[0030] Please refer to this carefully. Figures 1-3 There are three sets of through holes 105 and three sets of limiting posts 103, and each set of through holes 105 and limiting posts 103 are aligned.

[0031] In this embodiment: the limiting post 103 is a very basic and important component in the fields of mechanical design, mold manufacturing automation equipment, etc. It is fixedly installed on the base, template or fixed part of the equipment or mold, and its core function is to limit or determine the stroke position of the moving part.

[0032] Please refer to this carefully. Figures 1-3 One side of the main cable 301 is wound and connected to the guide roller 102.

[0033] In this embodiment: the guide roller 102 is a roller used to guide and adjust the orientation of an object. It plays a key role in various industrial applications, helping to ensure that the object moves along a predetermined path. There are various types of guide rollers 102, including pressure rollers, tension rollers, idler rollers, rolling rollers, and reversing rollers. The main functions of the guide roller 102 include: guiding: ensuring that the object moves along the correct path; and orientation adjustment: making fine adjustments to correct the orientation of the object when it deviates from the predetermined track.

[0034] Working principle: In use, first peel off the outer insulating layer of the main cable 301 to expose the branch cable 302 inside. Extend the portion of the main cable 301 with the insulating layer from the insertion hole 104 on the protective cover 101 into the interior of the protective cover 101, and wrap it twice around the guide roller 102. During the wrapping process, the portion with the peeled insulating layer passes through three sets of limiting posts 103 in sequence, and extends from the through hole 105 to the outside of the protective cover 101. After installing the cable body 3 inside the protective cover 101... The end cap 2 is placed on the protective cover 101, and the end cap 2 and the protective cover 101 are fixedly connected by the cooperation of the bolt 201 and the threaded hole 106. This structure not only prevents the cable body 3 from tearing at the branch end during the branching process, but also protects the branch end with the end cap 2 and the protective cover 101. Furthermore, the limiting post 103 allows the three sets of branch cables 302 to extend outward through the through hole 105, thereby preventing the three sets of branch cables 302 from getting tangled together, which facilitates the subsequent docking operation.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A single-core branchable cable, comprising a protective assembly (1), characterized in that, One end of the protective component (1) is provided with an end cap (2), and a cable body (3) is inserted inside the protective component (1); The protective component (1) includes a protective cover (101), a guide roller (102) is provided at the lower end of the interior of the protective cover (101), a plurality of limiting posts (103) are uniformly provided on one side of the interior of the protective cover (101), an insertion hole (104) is provided at the middle position of one side of one end of the protective cover (101), and a plurality of through holes (105) are uniformly provided on the other side of one end of the protective cover (101). The cable body (3) includes a main cable (301), and multiple sets of branch cables (302) are evenly arranged inside the main cable (301).

2. A single-core branchable cable according to claim 1, characterized in that, The end cap (2) has movable holes at all four corners, and bolts (201) are inserted inside the movable holes. The protective cover (101) has threaded holes (106) at all four corners. The end cap (2) is detachably connected to the protective cover (101) through the threaded holes (106) and bolts (201).

3. A single-core branchable cable according to claim 1, characterized in that, The main cable (301) is movably connected to the protective cover (101) through the socket (104).

4. A single-core branchable cable according to claim 1, characterized in that, The branch cable (302) is movably connected to the protective cover (101) through the cooperation of the through hole (105) and the limiting post (103).

5. A single-core branchable cable according to claim 1, characterized in that, The number of through holes (105) and limiting posts (103) are three sets, and the through holes (105) and limiting posts (103) in each set are aligned.

6. A single-core branchable cable according to claim 1, characterized in that, One side of the main cable (301) is wound and connected to the guide roller (102).

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