CN218585669U

CN218585669U - Bending-resistant cable

Info

Publication number: CN218585669U
Application number: CN202221709111.6U
Authority: CN
Inventors: 郇在峰; 闫玲; 崔新文
Original assignee: Shandong Shengtai Cable Co ltd
Current assignee: Shandong Shengtai Cable Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-03-07
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a resistant type cable that bends, relate to cable technical field, including insulating protective sheath, insulating protective sheath's inside is provided with a plurality of cable cores, insulating protective sheath's inside and the outside that is located the cable core are provided with first heat-conducting layer and second heat-conducting layer respectively, be provided with the hollow tube that a plurality of groups are circumference form and distribute between first heat-conducting layer and the second heat-conducting layer, be provided with the rubber post in the middle of the inside of first heat-conducting layer, be equipped with the cavity between first heat-conducting layer and the rubber post, the outside of second heat-conducting layer is provided with the insulating layer, the outside of insulating layer is provided with the spring steel, the surface of spring steel and insulating protective sheath's internal surface install the second rubber strip and the first rubber strip that a plurality of equidistance just is circumference form and distribute respectively, this structure is buckling the operation back, accessible self elasticity extends to reset, and then can alleviate bending angle and bending time, the bending resistance performance is improved, in addition, through pouring cold water into the hollow tube, still can play cooling's effect.

Description

Bending-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a resistant type cable that bends.

Background

With the development of economy, cables are more and more widely applied and are wire products for transmitting electric energy, information and realizing electromagnetic energy conversion, for example, a bending-resistant cable (publication number CN 206353456U) disclosed in the chinese patent, although an easily bendable part is formed by a place where a fiber layer is arranged, the fiber layer has tensile resistance and can be easily bent, the structure composition is simple by only depending on the fiber layer, although the bending is easy, the bending performance is not perfect, the cable cooling effect is not good enough, the cable works for a long time, and the service life of the cable is easily influenced by the high temperature generated, for example, a photoelectric composite extra-high voltage cable (publication number CN 202171976U) disclosed in the chinese patent, although the cable is cooled by filling a cooling fireproof pipe with a cooling agent, the effect is not perfect, and the cooling performance is not high, therefore, workers in the field propose a bending-resistant cable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a resistant type cable that bends has solved its structural component of traditional cable and has comparatively simple, and not only the performance of bending is relatively poor, but also does not possess the performance of cooling to life's problem has been reduced.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a resistant type cable that bends, includes insulating protective sheath, insulating protective sheath's inside is provided with a plurality of cable cores, insulating protective sheath's inside and the outside that is located the cable core are provided with first heat-conducting layer and second heat-conducting layer respectively, be provided with the hollow tube that a plurality of groups are circumference form and distribute between first heat-conducting layer and the second heat-conducting layer, be provided with the rubber post in the middle of the inside of first heat-conducting layer, be equipped with the cavity between first heat-conducting layer and the rubber post, the outside of second heat-conducting layer is provided with the insulating layer, the outside of insulating layer is provided with the spring steel, the surface mounting of spring steel has a plurality of equidistance and is the second rubber strip that circumference form distributes, insulating protective sheath's internal surface mounting has a plurality of equidistance and is the first rubber strip that circumference form distributes.

As a further technical scheme of the utility model, the top surface of first rubber strip is provided with a plurality of equidistance and is the arris shape piece that the integral type distributes, a plurality of and the corresponding bending groove of arris shape piece have been seted up to the bottom surface of second rubber strip.

As a further technical scheme of the utility model, the gap is left between arris shape piece and the groove of buckling, the lateral wall and the first heat-conducting layer and the laminating of second heat-conducting layer of air traffic control mutually.

As a further technical scheme of the utility model, be equipped with first filling layer between first heat-conducting layer, second heat-conducting layer and the hollow tube, the outside that just is located first rubber strip and second rubber strip between insulating protective sheath and the spring steel is equipped with the second filling layer.

As a further technical scheme of the utility model, first filling layer and second filling layer are aramid fiber.

As a further technical scheme of the utility model, first heat-conducting layer and second heat-conducting layer are flexible heat-conducting plate.

Advantageous effects

The utility model provides a resistant type cable that bends. Compared with the prior art, the method has the following advantages

Has the advantages that:

1. the utility model provides a resistant type cable that bends, compares with cable in the past, and the cable that this structure designed is when buckling, and on the one hand, the reservation of cavity can be for the buckling of many cable cores provide an extruded space, reduces tensile dynamics, and on the other hand, under the effect of spring steel, rubber column, first rubber strip and second rubber strip, the cable back of buckling, accessible self elasticity extends and resets, and then can alleviate the angle of buckling and the time of buckling, improves resistant bending performance and life.

2. The utility model provides a resistant type cable that bends, is provided with first heat-conducting layer and second heat-conducting layer through the outside at the cable core, and is provided with the empty pipe that a plurality of groups are circumference form and distribute between first heat-conducting layer and the second heat-conducting layer, so when using, the heat of cable core can transmit for the empty pipe through first heat-conducting layer and second heat-conducting layer, here simultaneously, through letting in cold water to the empty pipe, can take away the heat of absorption to reach cooling's effect.

Drawings

FIG. 1 is a schematic vertical cross-section of a bend-resistant cable;

fig. 2 is a schematic transverse cross-sectional view of a bend-resistant cable.

In the figure: 1. an insulating protective sleeve; 2. a cable core; 3. a first heat conducting layer; 4. a second thermally conductive layer; 5. empty pipe; 6. a rubber column; 7. a cavity; 8. a thermal insulation layer; 9. spring steel; 10. a first rubber strip; 11. a second rubber strip; 12. a prismatic block; 13. bending the groove; 14. a first filling layer; 15. and a second filling layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a bending-resistant cable, which comprises: a bending-resistant cable comprises an insulating protective sleeve 1, a plurality of cable cores 2 are arranged inside the insulating protective sleeve 1, a first heat conduction layer 3 and a second heat conduction layer 4 are respectively arranged inside the insulating protective sleeve 1 and on the outer sides of the cable cores 2, a plurality of groups of hollow tubes 5 distributed in a circumferential shape are arranged between the first heat conduction layer 3 and the second heat conduction layer 4, the outer side wall of each hollow tube 5 is attached to the first heat conduction layer 3 and the second heat conduction layer 4, the first heat conduction layer 3 and the second heat conduction layer 4 are both flexible heat conduction plates, a rubber column 6 is arranged in the middle of the inside of the first heat conduction layer 3, a cavity 7 is arranged between the first heat conduction layer 3 and the rubber column 6, a heat insulation layer 8 is arranged on the outer side of the second heat conduction layer 4, spring steel 9 is arranged on the outer side of the heat insulation layer 8, a plurality of second rubber strips 11 distributed in a circumferential shape and at equal intervals are arranged on the outer surface of the spring steel 9, the inner surface of the insulating protective sleeve 1 is provided with a plurality of first rubber strips 10 which are equidistantly distributed in a circumferential manner, the top surface of each first rubber strip 10 is provided with a plurality of prismatic blocks 12 which are equidistantly distributed in an integrated manner, the bottom surface of each second rubber strip 11 is provided with a plurality of bending grooves 13 corresponding to the prismatic blocks 12, gaps are reserved between the prismatic blocks 12 and the bending grooves 13 to reserve spaces for bending and extruding between the first rubber strips 10 and the second rubber strips 11, a first filling layer 14 is arranged between each first heat conduction layer 3, the second heat conduction layers 4 and the hollow pipes 5, a second filling layer 15 is arranged between the insulating protective sleeve 1 and the spring steel 9 and positioned at the outer sides of the first rubber strips 10 and the second rubber strips 11, the first filling layer 14 and the second filling layer 15 are aramid fibers which have good insulating property, high temperature resistance and ageing resistance, and the arrangement of the heat insulating layer 9, the heat absorbed by the second heat conducting layer 4 is prevented from being transferred to the spring steel 9, so that the heat blocking effect is achieved.

The utility model discloses a theory of operation: when using, the heat of cable core 2 can be through first heat-conducting layer 3 and second heat-conducting layer 4, the transmission is for empty pipe 5, at this moment, through letting in cold water in to empty pipe 5, can take away the heat, thereby reach the effect of cooling, and if the cable is buckled, on the one hand the reservation of cavity 7, can provide an extruded space for buckling of many cable cores 2, reduce tensile dynamics, on the other hand is at spring steel 9, rubber column 6, first rubber strip 10 and second rubber strip 11's effect down, the cable is buckled the back, accessible self elasticity extends and resets, alleviate the angle of buckling, and then improve bending-resistant performance greatly.

Claims

1. The bending-resistant cable comprises an insulating protective sleeve (1) and is characterized in that a plurality of cable cores (2) are arranged inside the insulating protective sleeve (1), a first heat conduction layer (3) and a second heat conduction layer (4) are arranged inside the insulating protective sleeve (1) and located on the outer sides of the cable cores (2) respectively, a plurality of groups of hollow pipes (5) distributed in a circumferential shape are arranged between the first heat conduction layer (3) and the second heat conduction layer (4), a rubber column (6) is arranged in the middle of the inside of the first heat conduction layer (3), a cavity (7) is arranged between the first heat conduction layer (3) and the rubber column (6), a heat insulation layer (8) is arranged on the outer side of the second heat conduction layer (4), spring steel (9) is arranged on the outer side of the heat insulation layer (8), a plurality of second rubber strips (11) distributed in a circumferential shape and in an equidistant manner are arranged on the outer surface of the spring steel (9), and a plurality of first rubber strips (10) distributed in a circumferential shape and in an equidistant manner are arranged on the inner surface of the insulating protective sleeve (1);

the top surface of the first rubber strip (10) is provided with a plurality of prismatic blocks (12) which are distributed at equal intervals in an integrated manner, and the bottom surface of the second rubber strip (11) is provided with a plurality of bending grooves (13) corresponding to the prismatic blocks (12);

gaps are reserved between the prismatic blocks (12) and the bending grooves (13), and the outer side walls of the hollow pipes (5) are attached to the first heat conduction layer (3) and the second heat conduction layer (4);

be equipped with first filling layer (14) between first heat-conducting layer (3), second heat-conducting layer (4) and hollow tube (5), the outside that just is located first rubber strip (10) and second rubber strip (11) between insulating protective sheath (1) and spring steel (9) is equipped with second filling layer (15).

2. Bend-resistant cable according to claim 1, characterized in that the first (14) and second (15) filler layers are both aramid fibers.

3. A bend-resistant cable according to claim 1 wherein the first (3) and second (4) thermally conductive layers are both flexible thermally conductive layers.