CN219872964U - Extrusion-resistant power cable - Google Patents

Abstract

The utility model discloses an extrusion-resistant power cable, which comprises a lining pipe and a cable core, wherein a central column is arranged at the central position inside the lining pipe, a plurality of compression-resistant mechanisms are uniformly arranged outside the central column, the cable core is inserted between every two adjacent compression-resistant mechanisms, a compression-resistant layer is fixedly connected to the outer side of the lining pipe, a protection mechanism is arranged outside the compression-resistant layer, the compression-resistant mechanisms comprise extrusion blocks, side blocks, insertion blocks, slots and buffer pads, the side blocks are fixedly connected to the outer side of the central column, the slots are arranged on one side of the side blocks, and buffer pads are fixedly connected in the slots; according to the utility model, the cable core is subjected to compressive protection in all directions by arranging the plurality of compressive mechanisms in the lining pipe, and meanwhile, the outer pipe and the inner pipe are also arranged on the outer side for reinforcing protection, the plurality of elastic blocks are arranged between the outer pipe and the inner pipe, and the compressive protection effect on the cable core is further enhanced by the elastic performance of the elastic blocks.

Description

Extrusion-resistant power cable

Technical Field

The utility model relates to an extrusion-resistant power cable, and belongs to the technical field of power cables.

Background

The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river, wherein the proportion of the cable in the power lines is gradually increasing, and the power cable is a cable product for transmitting and distributing high-power electric energy in a main line of a power system.

At present, a plurality of cable cores are wound in an inner lining pipe, and although the inner lining pipe and the cable cores have certain flexibility, in the process of transporting or installing the cable, the cable is very easy to be extruded or clamped by foreign objects, especially heavy object corners, and is very easy to cause serious extrusion on the cable, and the flexibility of the inner lining pipe and the cable cores is not enough to bear the extrusion force of the heavy object corners only, so that the service life and the service performance of the cable cores can be reduced.

Disclosure of Invention

The present utility model is directed to a crush-resistant power cable, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the extrusion-resistant power cable comprises a lining pipe and a cable core, wherein a central column is arranged at the central position inside the lining pipe, a plurality of compression-resistant mechanisms are uniformly arranged outside the central column, the cable core is inserted between every two adjacent compression-resistant mechanisms, a compression-resistant layer is fixedly connected to the outer side of the lining pipe, and a protection mechanism is arranged outside the compression-resistant layer;

the compression-resistant mechanism comprises a compression block, a side block, an inserting groove and a buffer pad, wherein the side block is fixedly connected to the outer side of a central column, the inserting groove is formed in one side of the side block, the buffer pad is fixedly connected to the inside of the inserting groove, one side of the inserting block is inserted into the inserting groove to be in contact with the buffer pad, and the compression block is fixedly connected to the other side of the inserting block.

Preferably, the protection mechanism comprises an outer pipe, an inner pipe and a plurality of elastic blocks, wherein the inner pipe is fixedly sleeved on the outer side of the compression-resistant layer, the outer pipe is sleeved on the outer side of the inner pipe, and the elastic blocks are fixedly connected between the outer pipe and the inner pipe.

Preferably, the inside of the lining pipe is filled with compression-resistant cotton, and the compression-resistant cotton is tightly attached to the outer sides of the cable cores.

Preferably, the extrusion blocks are all arranged in arc shapes matched with the lining pipe, and the outer sides of the extrusion blocks are all in contact with the inner wall of the lining pipe.

Preferably, the plurality of cable cores are respectively positioned between the plurality of extrusion blocks and the central column, and the plurality of cable cores are not contacted with each other.

Compared with the prior art, the utility model has the beneficial effects that: through being equipped with a plurality of compression mechanisms in the lining pipe inside, all-round to carrying out the resistance to compression protection to the cable core, still be equipped with outer tube and inner tube in the outside simultaneously and strengthen the protection, be equipped with a plurality of elastic blocks between outer tube and the inner tube, through the elasticity performance of elastic block self, further strengthen the resistance to compression protection effect to the cable core.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the compression mechanism of the present utility model;

fig. 3 is a schematic structural view of a protection mechanism of the present utility model.

In the figure: 1. a cable core; 2. a compression-resistant mechanism; 21. extruding a block; 22. a side block; 23. inserting blocks; 24. a slot; 25. a cushion pad; 3. a protective mechanism; 31. an outer tube; 32. an inner tube; 33. an elastic block; 4. compression-resistant cotton; 5. a compression-resistant layer; 6. an inner liner tube; 7. and a center column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a resistant extrusion power cable, including lining pipe 6 and cable core 1, the inside central point of lining pipe 6 is put and is equipped with central post 7, evenly be equipped with a plurality of compression mechanisms 2 in the outside of central post 7, all insert and be equipped with cable core 1 between two adjacent compression mechanisms 2, the fixedly connected with compressive layer 5 in the outside of lining pipe 6, the compressive layer 5 outside is equipped with protection mechanism 3, through being equipped with a plurality of compression mechanisms 2 in lining pipe 6 inside, the omnidirectional carries out the compressive protection to cable core 1, still be equipped with outer tube 31 and inner tube 32 in the outside simultaneously and strengthen the protection, be equipped with a plurality of elastic blocks 33 between outer tube 31 and the inner tube 32, through the elasticity performance of elastic block 33 self, further strengthen the compressive protection effect to cable core 1;

the compression-resistant mechanism 2 comprises a compression block 21, a side block 22, an inserting block 23, a slot 24 and a buffer pad 25, wherein the side block 22 is fixedly connected to the outer side of the central column 7, the slot 24 is arranged on one side of the side block 22, the buffer pad 25 is fixedly connected to the inside of the slot 24, one side of the inserting block 23 is inserted into the slot 24 to be in contact with the buffer pad 25, the extruding block 21 is fixedly connected to the other side of the inserting block 23, when part of the lining pipe 6 is extruded, the corresponding extrusion block 21 is pushed by the extrusion force, the inserting block 23 is pushed to move in the slot 24 when the extrusion block 21 is stressed to approach the central column 7, the buffer pad 25 is used for buffering, and therefore the whole compression-resistant effect of the cable is improved, and the cable core 1 is prevented from being damaged due to stronger extrusion.

The protection mechanism 3 comprises an outer tube 31, an inner tube 32 and a plurality of elastic blocks 33, the inner tube 32 is fixedly sleeved on the outer side of the compression-resistant layer 5, the outer tube 31 is sleeved on the outer side of the inner tube 32, and the plurality of elastic blocks 33 are fixedly connected between the outer tube 31 and the inner tube 32; the inside of the lining pipe 6 is filled with compression-resistant cotton 4, the compression-resistant cotton 4 is tightly attached to the outer sides of the cable cores 1, protection is enhanced through the outer pipe 31 and the inner pipe 32, a plurality of elastic blocks 33 are arranged between the outer pipe 31 and the inner pipe 32, and the compression-resistant protection effect on the cable cores 1 is further enhanced through the elastic performance of the elastic blocks 33; the extrusion blocks 21 are all of arc shapes matched with the lining pipes 6, the outer sides of the extrusion blocks 21 are contacted with the inner walls of the lining pipes 6, the extrusion force is transmitted to the corresponding extrusion blocks 21 when the lining pipes 6 are extruded, and the adaptability is enhanced; the cable cores 1 are respectively positioned between the extrusion blocks 21 and the central column 7, and the cable cores 1 are not contacted with each other, so that the protection effect on the cable cores 1 is ensured, and the cable cores 1 are prevented from being damaged together.

Specifically, when the cable core protection device is used, the cable cores 1 are separated through the compression-resistant mechanisms 2, when part of the lining pipe 6 is extruded, the extrusion force can push the corresponding extrusion block 21, the extrusion block 21 can push the insertion block 23 to move in the slot 24 when being stressed to approach the central column 7, the buffer cushion 25 can be extruded when the insertion block 23 moves, the buffer cushion 25 plays a role in buffering, so that the whole compression-resistant effect of the cable is improved, the cable cores 1 are prevented from being damaged due to stronger extrusion, the compression-resistant mechanisms 2 are arranged in the lining pipe 6, the cable cores 1 are all-round and protected, meanwhile, the outer pipe 31 and the inner pipe 32 are further arranged on the outer side for reinforcing and protecting, the elastic blocks 33 are arranged between the outer pipe 31 and the inner pipe 32, and the compression-resistant protection effect on the cable cores 1 is further enhanced through the elastic performance of the elastic blocks 33.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Extrusion-resistant power cable comprising a lining tube (6) and a cable core (1), characterized in that: the inner lining pipe is characterized in that a central column (7) is arranged at the central position inside the inner lining pipe (6), a plurality of compression-resistant mechanisms (2) are uniformly arranged on the outer side of the central column (7), a cable core (1) is inserted between every two adjacent compression-resistant mechanisms (2), a compression-resistant layer (5) is fixedly connected to the outer side of the inner lining pipe (6), and a protection mechanism (3) is arranged on the outer side of the compression-resistant layer (5);

the compression-resistant mechanism comprises a plurality of compression-resistant mechanisms (2) which comprise extrusion blocks (21), side blocks (22), inserting blocks (23), inserting grooves (24) and buffer pads (25), wherein the side blocks (22) are fixedly connected to the outer side of a central column (7), the inserting grooves (24) are formed in one side of each side block (22), the buffer pads (25) are fixedly connected to the inside of each inserting groove (24), one side of each inserting block (23) is inserted into the corresponding inserting groove (24) to be in contact with the corresponding buffer pad (25), and the other side of each inserting block (23) is fixedly connected with the corresponding extrusion block (21).

2. A crush-resistant power cable according to claim 1, wherein: the protection mechanism (3) comprises an outer tube (31), an inner tube (32) and a plurality of elastic blocks (33), wherein the inner tube (32) is fixedly sleeved on the outer side of the compression-resistant layer (5), the outer tube (31) is sleeved on the outer side of the inner tube (32), and a plurality of elastic blocks (33) are fixedly connected between the outer tube (31) and the inner tube (32).

3. A crush-resistant power cable according to claim 1, wherein: the inside of the lining pipe (6) is filled with compression-resistant cotton (4), and the compression-resistant cotton (4) is tightly attached to the outer sides of the cable cores (1).

4. A crush-resistant power cable according to claim 1, wherein: the extrusion blocks (21) are all of arc shapes matched with the lining pipe (6), and the outer sides of the extrusion blocks (21) are contacted with the inner wall of the lining pipe (6).

5. A crush-resistant power cable according to claim 1, wherein: the cable cores (1) are respectively positioned between the extrusion blocks (21) and the central column (7), and the cable cores (1) are not contacted with each other.