CN219017279U

CN219017279U - High-strength compression-resistant cable

Info

Publication number: CN219017279U
Application number: CN202221771569.4U
Authority: CN
Inventors: 王翔
Original assignee: Shanghai Hongxin Wire&cable Co ltd
Current assignee: Shanghai Hongxin Wire&cable Co ltd
Priority date: 2022-07-10
Filing date: 2022-07-10
Publication date: 2023-05-12
Anticipated expiration: 2032-07-10

Abstract

The utility model discloses a high-strength compression-resistant cable, which comprises a central body, wherein a plurality of cable cores are arranged outside the central body, compression-resistant rings are arranged outside the central body and are connected through a plurality of supporting rods, the central body, the compression-resistant rings and the supporting rods form a cavity, the cable cores are arranged in the cavity, a protective layer is arranged outside the compression-resistant rings, a plurality of buffer bulges are circumferentially arranged on the protective layer and uniformly spaced, a buffer layer is arranged outside the protective layer, a plurality of buffer bags are circumferentially arranged on the buffer layer and uniformly spaced, the buffer bulges and the buffer bags are alternately arranged, hollow holes are formed in the buffer bags, a fiber woven layer is wrapped outside the buffer bags, and a sheath layer is wrapped outside the fiber woven layer. According to the high-strength compression-resistant cable, the compression-resistant ring, the protection layer, the buffer layer and the like are arranged, so that the compression-resistant performance of the whole cable is good, the cable is not easy to damage, and the cable is safe and reliable.

Description

High-strength compression-resistant cable

Technical Field

The utility model relates to a cable, in particular to a high-strength compression-resistant cable.

Background

Cables refer to materials used for power, communications, and related transmission applications.

Underground cables often have high requirements on the compressive capacity of the cables, and current wires and cables are generally formed by coating a plastic sheath with a metal core wire, so that the compressive capacity of the cables is limited. When the cable is impacted and extruded by foreign objects, the wires are easy to be extruded and deformed, so that the normal use of the wires is affected.

Therefore, how to ensure the compression resistance of the cable and prevent the cable from being damaged is a technical problem that needs to be solved by those skilled in the art at present.

Disclosure of Invention

In view of the defects existing at present, the utility model provides the high-strength compression-resistant cable which has good compression resistance, is not easy to damage, and is safe and reliable.

In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:

the utility model provides a high strength compressive cable, includes the center body, the center body outside is equipped with a plurality of cable cores, the center body outside is equipped with the anti-compression ring, and the two is connected through a plurality of bracing pieces, center body, anti-compression ring, bracing piece three form the cavity, the cable core is located in the cavity, the anti-compression ring outside is equipped with the protective layer, be equipped with a plurality of buffering archs in the protective layer circumference, the interval is even each other, the protective layer outside is equipped with the buffer layer, be equipped with a plurality of buffer bags in the buffer layer circumference, the interval is even each other, buffering arch and buffer bag are crisscross to be set up, be equipped with the cavity in the buffer bag, the parcel has the fibre weaving layer outside the buffer bag, the parcel has the restrictive coating outside the fibre weaving layer.

According to one aspect of the utility model, the compression-resistant ring comprises an inner support ring, a connecting rod and an outer support ring, wherein the inner support ring is connected with the central body through a supporting rod, one end of the connecting rod is connected with the inner support ring, the other end of the connecting rod is connected with the outer support ring, the protective layer wraps the outer side of the outer support ring, and fine sand is filled between the inner support ring and the outer support ring.

According to one aspect of the utility model, the connecting rods are in a circumferential array, the connecting rods comprising a first connecting rod and a second connecting rod, the first and second connecting rods being disposed at an angle, both connected at one end to the inner support ring and at the other end to the outer support ring.

According to one aspect of the utility model, the cavity is internally provided with a filler, the filler is wrapped on the periphery of the cable core, and the outer side of the cable core is wrapped with a protection ring.

According to one aspect of the utility model, the central body, the support rod, the protection ring, the inner support ring, the first connecting rod, the second connecting rod and the outer support ring are all made of metal materials.

According to one aspect of the utility model, the filler, the protective layer, the buffer protrusions, the buffer layer and the buffer bag are all made of rubber materials, and the sheath layer is made of polytetrafluoroethylene materials.

According to one aspect of the utility model, the cable core is sequentially composed of a cable conductor, an inner shielding layer, an inner insulating layer, an outer shielding layer and a copper strip shielding layer from inside to outside, and the protection ring is wrapped on the periphery of the copper strip shielding layer.

According to one aspect of the utility model, the buffer bulges form buffer slots among each other, the buffer bags are arranged in the buffer slots, the buffer bags form buffer gaps among each other, and the buffer bulges are arranged in the buffer gaps.

According to one aspect of the utility model, both the retaining ring and the connecting rod are made of steel.

The implementation of the utility model has the advantages that: the cable stability is enhanced by arranging the metal center body, the support rods and the compression rings, so that the cable can bear larger pressure, and the compression resistance of the cable is enhanced by the first connecting rods and the second connecting rods which are arranged at an angle; the fine sand is filled between the inner support ring and the outer support ring, and the rubber filler is arranged in the cavity, so that the impact pressure of the cable core can be effectively buffered; the buffer bulges and the buffer bags are arranged in a staggered manner, so that the pressure born by the cable can be reasonably buffered; by providing a woven layer of fibres between the buffer layer and the jacket layer, the ability of the cable to withstand external pressure can be further improved. The cable has the advantages of good compression resistance, difficult damage, safety and reliability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a high-strength compression-resistant cable according to the present utility model.

The names corresponding to the serial numbers in the figures are as follows:

1. a central body; 2. a cable core; 3. a compression ring; 31. an inner support ring; 32. a connecting rod; 321. a first link; 322. a second link; 33. an outer support ring; 34. fine sand; 4. a support rod; 5. a protective layer; 51. a buffer protrusion; 52. buffering the slot; 6. a buffer layer; 61. a buffer bladder; 611. a hollow hole; 62. a buffer gap; 7. a fibrous braid; 8. a sheath layer; 9. a filler; 10. and (3) protecting the ring.

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.

As shown in fig. 1, a high-strength compression-resistant cable comprises a central body 1 made of metal and used as a central support; a plurality of cable cores 2 are arranged on the outer side of the central body 1; an anti-compression ring 3 is arranged on the outer side of the central body 1, and the anti-compression ring 3 and the anti-compression ring are connected through a plurality of support rods 4; the central body 1, the compression-resistant ring 3 and the supporting rods 4 form a cavity, or a plurality of supporting rods 4 divide a gap between the central body 1 and the compression-resistant ring 3 into a plurality of cavities, and the cable core 2 is arranged in the cavity; the outer side of the compression-resistant ring 3 is provided with a protective layer 5, a plurality of buffer bulges 51 are arranged on the circumference of the protective layer 5, the buffer bulges 51 are uniformly spaced, and the protective layer 5 and the buffer bulges 51 are integrated; the outer side of the protective layer 5 is provided with a buffer layer 6, a plurality of buffer bags 61 are arranged on the circumference of the buffer layer 6, the buffer layers 6 and the buffer bags 61 are uniformly spaced, and the buffer layers 6 and the buffer bags 61 are integrated; the buffer bulges 51 and the buffer bags 61 are arranged in a staggered way; the buffer bag 61 is internally provided with a hollow hole 611 which can be a round hole, an elliptical hole or a square hole, so that the buffer bag 61 is easier to be extruded and deformed to generate a resistance elastic force, and the resistance of the cable to the external pressure can be enhanced; the buffer layer 6 is wrapped with a fiber woven layer 7 for further improving the capability of the cable for bearing external pressure; the fiber braiding layer 7 is wrapped with a sheath layer 8 which is used for external protection of the cable. The cable has the advantages of good compression resistance, difficult damage, safety and reliability.

In practical application, compressive ring 3 includes inner support ring 31, connecting rod 32, outer support ring 33, inner support ring 31 is connected with central body 1 through bracing piece 4, connecting rod 32 one end is connected with inner support ring 31, the other end is connected with outer support ring 33, protective layer 5 parcel is in outer support ring 33 outside, pack fine sand 34 between inner support ring 31 and the outer support ring 33 for improve compressive resistance of compressive ring 3 and be used for buffering external impact force. The inner support ring 31 and the outer support ring 33 are connected into a whole through the connecting rod 32, so that the structural stability and the compression resistance are enhanced.

In practical application, the connecting rod 32 is the circumference array, the connecting rod 32 includes first connecting rod 321 and second connecting rod 322, first connecting rod 321 and second connecting rod 322 angle setting, and both one end is connected with interior supporting ring 31, and the other end is connected with outer supporting ring 33, and first connecting rod 321 and second connecting rod 322 are established in bracing piece 4 both sides relatively. The first connecting rod 321, the outer supporting ring 33 and the second connecting rod 322 form an approximate triangle, or the first connecting rod 321, the inner supporting ring 31, the second connecting rod 322 and the outer supporting ring 33 form an approximate trapezoid or a sector, so that the structure is more stable, and the cable can bear larger pressure. The gap between the inner support ring 31 and the outer support ring 33 is also divided into a plurality of cavities by a plurality of first links 321 and second links 322, and the fine sand 34 is filled in the cavities.

In practical application, the cavity is internally provided with a filler 9 made of rubber material, and the filler 9 is wrapped on the periphery of the cable core 2 and is used for assisting the cable core 2 in relieving impact force; the outer side of the cable core 2 is wrapped with a protection ring 10, and the cable core 2 is made of metal materials, is firmer and stronger in compression resistance, and is used for protecting the cable core 2 and preventing the cable core from being extruded and damaged.

In practical application, the supporting rod 4, the inner supporting ring 31, the first connecting rod 321, the second connecting rod 322 and the outer supporting ring 33 are all made of metal materials, so that the structure is more stable, the deformation is less prone to occurring, and the compression resistance is better. The support rods 4 may be uniformly spaced in the axial direction of the central body 1, and the axial length of the support rods 4 is determined according to the axial length of the central body 1 or the axial length of the cable core 2. The cross sections of the support rod 4, the first connecting rod 321 and the second connecting rod 322 are rectangular. The first and

second links

321 and 322 may be uniformly spaced along the inner support ring 31 or the outer support ring 33 in the axial direction, and the axial lengths of the first and

second links

321 and 322 may be determined according to the axial lengths of the inner support ring 31 or the outer support ring 33. The inner support ring 31 and the outer support ring 33 are annular in cross section, have identical axial lengths and are dependent on the axial length of the central body 1 or the cable core 2.

In practical application, the protective layer 5, the buffer bulge 51, the buffer layer 6 and the buffer bag 61 are all made of rubber materials, so that the performance of resisting and relieving the external pressure is better; the sheath layer 8 is made of polytetrafluoroethylene material, and has good wear resistance and corrosion resistance, so that the service life of the cable is prolonged.

In practical application, the cable core 2 is composed of a cable conductor, an inner shielding layer, an inner insulating layer, an outer shielding layer and a copper strip shielding layer from inside to outside in sequence, which is the prior art and is not described again. The guard ring 10 is wrapped around the copper tape shield.

In practical applications, the buffer protrusions 51 and the buffer bags 61 are staggered in the circumferential direction, that is, a plurality of buffer protrusions 51 form buffer slots 52 therebetween, the buffer bags 61 are disposed in the buffer slots 52, a plurality of buffer bags 61 form buffer gaps 62 therebetween, the buffer protrusions 51 are disposed in the buffer gaps 62, and the relative positions or distances between the buffer protrusions 51 and the buffer bags depend on practical situations. The elastic force is generated by the mutual pressing deformation of the buffer protrusions 51 and the buffer pouch 61, and can be used to resist the pressure of the buffer outside.

In practical applications, the buffer protuberance 51 and the buffer pocket 61 are not limited to specific shapes, and may be semicircular; the buffer slit 52 and the buffer gap 62 are not limited to specific shapes, and the shapes of the buffer slit 52 and the buffer gap 62 are similar, and the structural shape of the buffer slit 52 is determined according to the structural shapes of the buffer protrusions 51 and the protective layer 5, and the structural shape of the buffer gap 62 is determined according to the structural shapes of the buffer bag 61 and the buffer layer 6.

The implementation of the utility model has the advantages that: the cable stability is enhanced by arranging the metal center body 1, the support rods 4 and the compression rings 3, so that the cable can bear larger pressure, and the compression resistance of the cable is also enhanced by the plurality of first connecting rods 321 and second connecting rods 322 which are arranged at an angle; by filling fine sand 34 between the inner support ring 31 and the outer support ring 33 and arranging the filler 9 made of rubber material in the cavity, the impact pressure of the cable core 2 can be effectively buffered; the buffer bulges 51 and the buffer bags 61 are arranged in a staggered manner, so that the pressure born by the cable can be reasonably buffered; by providing a woven layer 7 of fibres between the buffer layer 6 and the jacket layer 8, the ability of the cable to withstand external pressure can be further improved.

In summary, the cable has good compression resistance, is not easy to damage, and is safe and reliable.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a high strength resistance to compression cable, includes central body (1), the central body (1) outside is equipped with a plurality of cable core (2), its characterized in that, the central body (1) outside is equipped with anti clamping ring (3), and the two is connected through a plurality of bracing pieces (4), the central body (1), resistance to compression ring (3), bracing piece (4) three form the cavity, in the cavity was located to cable core (2), resistance to compression ring (3) outside is equipped with protective layer (5), protective layer (5) circumference is upwards equipped with a plurality of buffering arch (51), and each other the interval is even, protective layer (5) outside is equipped with buffer layer (6), be equipped with a plurality of buffer bags (61) on buffer layer (6) circumference, the interval is even each other, buffering arch (51) and buffer bag (61) are crisscross to be set up, be equipped with hollow hole (611) in buffer bag (61), the outer parcel of buffer layer (6) has fiber braid (7), fiber braid (7) are wrapped up in and have restrictive coating (8).

2. A high strength compression cable according to claim 1, wherein the compression ring (3) comprises an inner support ring (31), a connecting rod (32) and an outer support ring (33), the inner support ring (31) is connected with the central body (1) through a supporting rod (4), one end of the connecting rod (32) is connected with the inner support ring (31), the other end is connected with the outer support ring (33), the protective layer (5) is wrapped outside the outer support ring (33), and fine sand (34) is filled between the inner support ring (31) and the outer support ring (33).

3. A high strength compression cable according to claim 2, wherein the connecting rods (32) are in a circumferential array, the connecting rods (32) comprising a first connecting rod (321) and a second connecting rod (322), the first connecting rod (321) and the second connecting rod (322) being arranged at an angle, both connected at one end to the inner support ring (31) and at the other end to the outer support ring (33).

4. The high-strength compression-resistant cable according to claim 1, wherein a filler (9) is arranged in the cavity, the filler (9) is wrapped on the periphery of the cable core (2), and a protection ring (10) is wrapped on the outer side of the cable core (2).

5. A high strength compression cable according to any one of claims 1 to 4, wherein the central body (1), the support rod (4), the protection ring (10), the inner support ring (31), the first link (321), the second link (322) and the outer support ring (33) are all made of metal materials.

6. A high strength compression cable according to claim 4, wherein the filler (9), the protective layer (5), the buffer protrusions (51), the buffer layer (6) and the buffer bag (61) are made of rubber material, and the sheath layer (8) is made of polytetrafluoroethylene material.

7. The high-strength compression-resistant cable according to claim 4, wherein the cable core (2) is composed of a cable conductor, an inner shielding layer, an inner insulating layer, an outer shielding layer and a copper strip shielding layer from inside to outside, and the protection ring (10) is wrapped on the periphery of the copper strip shielding layer.

8. A high strength compression cable according to claim 1, wherein the buffer protrusions (51) form buffer slots (52) with each other, the buffer bags (61) are arranged in the buffer slots (52), the buffer bags (61) form buffer gaps (62) with each other, and the buffer protrusions (51) are arranged in the buffer gaps (62).