CN219457181U - Novel compressive cable - Google Patents

Abstract

The utility model discloses a novel compression-resistant cable, which comprises a central body, wherein a plurality of cable cores are arranged on the outer side of the central body, a buffer ring, a filler, an inner protective layer, a filling layer, an outer protective layer, an outer insulating layer and a sheath layer are sequentially wrapped outside the cable cores, a retainer is arranged in the filling layer and comprises a plurality of retainer rings and a plurality of connecting rods, the retainer rings are in a circumferential array, the connecting rods are fixed between adjacent retainer rings, and steel balls are arranged in the retainer rings. According to the novel compression-resistant cable, the buffer ring, the filler, the filling layer, the retainer 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

Novel compressive cable

Technical Field

The utility model relates to a cable, in particular to a novel 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 novel compression-resistant cable provided by the utility model has the advantages of good compression resistance, difficult damage, safety and reliability.

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

the utility model provides a novel resistance to compression cable, includes the center body, the outside of center body is equipped with a plurality of cable cores, the cable core has wrapped gradually buffer ring, filler, interior protective layer, filling layer, outer protective layer, outer insulating layer, restrictive coating outward, be equipped with the holder in the filling layer, the holder includes a plurality of holding rings and a plurality of connecting rod, the holding ring is circumference array, the connecting rod is fixed between adjacent holding rings, be equipped with the steel ball in the holding ring.

According to one aspect of the utility model, the cable core consists 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.

According to one aspect of the utility model, a plurality of air bags are arranged in the buffer ring, and the air bags and the cable cores are arranged in a staggered manner.

According to one aspect of the utility model, the buffer ring is wavy and made of stainless steel.

According to one aspect of the utility model, the central body is provided with a plurality of hollow holes, the central body is provided with a plurality of grooves, and the air bag and the cable core are arranged in the grooves.

According to one aspect of the utility model, the central body is made of rubber material.

According to one aspect of the utility model, the filler is made of rubber material, and fine sand is filled in the filler layer.

According to one aspect of the utility model, the inner and outer protective layers are both made of a polyvinylamine material, and the sheath layer is made of polytetrafluoroethylene material.

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 rubber central body is arranged, a plurality of hollow holes are formed in the central body, and a plurality of grooves are formed in the central body, so that the pressure of the cable core can be born and relieved; by arranging the wavy buffer sheets, the cable core can be assisted to buffer impact force; the air bags are arranged in the buffer sheets, and the air bags and the cable cores are arranged in a staggered manner, so that the impact force born by the cable cores and the pressure extruded by the cable cores can be further buffered; by providing the rubber filler, the impact pressure is relaxed by utilizing the characteristics of the rubber filler; the inner protective layer and the outer protective layer which are made of the polyvinyl amine material ensure that the cable has good tensile property and can bear certain compressive capacity; the impact force can be relaxed by filling fine sand in the filling layer, and the retainer is arranged in the filling layer to serve as a rigid support, so that the external pressure can be effectively resisted, and the compression resistance of the cable is enhanced. 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 diagram of a novel 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; 11. a hollow hole; 12. a groove; 2. a cable core; 3. a buffer ring; 31. an air bag; 4. a filler; 5. an inner protective layer; 6. a filling layer; 7. an outer protective layer; 8. an outer insulating layer; 9. a sheath layer; 10. a retainer; 101. a retaining ring; 102. a connecting rod; 103. and (5) steel balls.

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, the novel compression-resistant cable comprises a central body 1, wherein a plurality of cable cores 2 are arranged on the outer side of the central body 1, a buffer ring 3, a filler 4, an inner protection layer 5, a filling layer 6, an outer protection layer 7, an outer insulation layer 8 and a sheath layer 9 are sequentially wrapped outside the cable cores 2, a retainer 10 is arranged in the filling layer 6, and the structural shape of the retainer 10 is similar to that of a mechanical bearing and is used as a rigid protection support and resists external pressure; the retainer 10 comprises a plurality of retaining rings 101 and a plurality of connecting rods 102, wherein the retaining rings 101 are made of steel, the retaining rings 101 are hollow steel rings and are in a circumferential array, the connecting rods 102 are arc-shaped steel rods, the connecting rods 102 are enclosed into a circle, and the connecting rods 102 are welded and fixed between the adjacent retaining rings 101, so that the structure is more stable; the steel balls 103 are arranged in the retainer ring 101 and used for further enhancing the firmness of the retainer 10 and enhancing the pressure resistance. The cable has the advantages of good compression resistance, difficult damage, safety and reliability.

In practice, the holders 10 may be arranged in a linear array or spaced apart intervals along the length of the cable, the spacing being sized according to the circumstances.

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. This is the prior art and will not be described in detail.

In practical application, the buffer ring 3 is internally provided with a plurality of air bags 31, the air bags 31 and the cable cores 2 are preferably four groups, the air bags 31 and the cable cores 2 are respectively distributed at four corners of a rectangle, and the air bags 31 and the cable cores 2 are arranged in a staggered mode. The air bag 31 can be used for buffering the pressure of the mutual extrusion between the cable cores 2, and can be used for buffering the external impact force from the buffer ring 3.

In practical application, the buffer ring 3 is wave-shaped, and can decompose, dredge and alleviate the pressure; the buffer ring 3 is made of stainless steel, so that the buffer ring 3 has certain elastic deformation capacity, is high in hardness and stable in structure, and has elasticity and rigidity, and can effectively buffer and resist external pressure. The air bags 31 and the cable cores 2 are distributed in the concave parts of the wave-shaped buffer rings 3.

In practical application, the central body 1 is made of rubber material, and has good elastic buffering capacity; the center body 1 is internally provided with a plurality of hollow holes 11, so that the center body 1 is more easily extruded and deformed, and the external impact force is resisted and relieved; be equipped with a plurality of recesses 12 on the central body 1, gasbag 31 and cable core 2 are all installed in recess 12, can be convenient for the location of gasbag 31 and cable core 2, can be convenient for the better supplementary cable core 2 relief pressure of central body 1.

In practical application, the filler 4 is made of rubber material and is used for better bearing and buffering external impact force; the filling layer 6 is filled with fine sand, so that the cable is more capable of bearing pressure.

In practical application, the inner protective layer 5 and the outer protective layer 7 are both made of a polyvinyl amine material, and have good tensile property, so that the compressive capacity of the cable can be enhanced; the inner protective layer 5 serves as a protection for the filler 4, and the outer protective layer 7 serves to prevent the outer insulating layer 8 from being damaged; the outer insulating layer 8 is used as insulation, which is the prior art and will not be described in detail; the sheath layer 9 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, when the cable is pressed, when the external pressure is transmitted to the filling layer 6 from the sheath layer 9, the fine sand and the retainer 10 in the filling layer 6 serve as a first main compression layer to resist and relieve most of impact pressure, and then the pressure is transmitted to the filler 4 made of rubber; after the filler 4 buffers a part of the pressure, transmitting the force to the buffer ring 3; by the structure of the cushion ring 3 and the arrangement of the airbag 31, a part of the pressure is further relieved; the external pressure at this time is already very small, the air bag 31 and the buffer ring 3 transmit force to the cable core 2, so that the cable core 2 extrudes the central body 1 made of rubber, the central body 1 deforms to generate resisting elastic force, and the central body is matched with the air bag 31 and the buffer ring 3 to assist the cable core 2 to resist the pressure, at this time, the external pressure to which the cable core 2 can be subjected is very small, and the cable core 2 can bear without being damaged.

The implementation of the utility model has the advantages that: by arranging the rubber central body 1, arranging a plurality of hollow holes 11 in the central body 1 and arranging a plurality of grooves 12 on the central body 1, the pressure of the cable core 2 can be born and relieved; by arranging the wavy buffer sheets, the cable core 2 can be assisted to buffer impact force; by arranging the air bags 31 in the buffer sheets, the air bags 31 and the cable cores 2 are arranged in a staggered manner, so that the impact force received by the cable cores 2 and the pressure extruded by the cable cores 2 can be further buffered; by providing the rubber packing 4, the impact pressure is relaxed by its own characteristics; by arranging the inner protective layer 5 and the outer protective layer 7 which are made of the polyvinyl amine material, the cable is ensured to have good tensile property and can bear certain compressive capacity; by filling fine sand into the filling layer 6, impact force can be relaxed, and the retainer 10 is arranged in the filling layer 6 to serve as a rigid support, so that external pressure can be effectively resisted, and the compression resistance of the cable is enhanced.

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 (9)

1. The utility model provides a novel resistance to compression cable, includes central body (1), the central body (1) outside is equipped with a plurality of cable core (2), a serial communication port, cable core (2) are outside to wrap up in proper order has buffer ring (3), filler (4), interior protective layer (5), filling layer (6), outer protective layer (7), outer insulating layer (8), restrictive coating (9), be equipped with holder (10) in filling layer (6), holder (10) include a plurality of holding ring (101) and a plurality of connecting rod (102), holding ring (101) are circumference array, connecting rod (102) are fixed between adjacent holding ring (101), be equipped with steel ball (103) in holding ring (101).

2. The novel compression-resistant cable according to claim 1, 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 in sequence.

3. The novel compression-resistant cable according to claim 2, wherein a plurality of air bags (31) are arranged in the buffer ring (3), and the air bags (31) and the cable core (2) are arranged in a staggered mode.

4. A novel compression-resistant cable according to claim 3, characterized in that the buffer ring (3) is wavy and made of stainless steel material.

5. A novel compression-resistant cable according to claim 3, characterized in that a plurality of hollow holes (11) are formed in the central body (1), a plurality of grooves (12) are formed in the central body (1), and the air bag (31) and the cable core (2) are arranged in the grooves (12).

6. A novel compression cable according to claim 5, wherein the central body (1) is made of rubber material.

7. A novel compression-resistant cable according to claim 1, wherein the filler (4) is made of rubber material, and the filler layer (6) is filled with fine sand.

8. A novel compression-resistant cable according to claim 1, characterized in that the inner protective layer (5) and the outer protective layer (7) are both made of a polyvinylamine material, and the sheath layer (9) is made of a polytetrafluoroethylene material.

9. A novel compression-resistant cable according to claim 1, characterized in that both the retaining ring (101) and the connecting rod (102) are made of steel material.