CN214476544U - Anti-fracture low-voltage power cable - Google Patents

Abstract

The utility model discloses a prevent low pressure power cable that splits, including the cable body, the cable body passes through a plurality of groups of cable heart subassembly, pliable and tough layer, filling layer, prevents disconnected enhancement subassembly and wear-resisting outer constitution, and a plurality of groups of cable heart subassembly passes through pliable and tough layer parcel setting, and the filling layer setting is between pliable and tough layer and a plurality of groups of cable heart subassembly. The utility model discloses a cable core subassembly, the pliability layer, the filling layer, prevent mutually supporting between disconnected enhancement subassembly and the wear-resisting skin, realized one kind and prevented fracture low voltage power cable, not only carry out effectual increase to power cable's intensity, thereby avoided the fracture that the cable takes place in the use, and when guaranteeing equal cross-section, the radical of copper wire has been increased, the cross-section of single copper wire has been reduced, the effectual pliability that increases the cable, consequently, avoided the fracture of power cable because of buckling to take place, thereby the life of cable has been promoted greatly, also consequently, the utility model discloses a practicality has been improved.

Description

Anti-fracture low-voltage power cable

Technical Field

The utility model relates to a power cable technical field specifically is a prevent low pressure power cable that splits.

Background

Cables, typically rope-like cables, are formed by stranding several or several groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, wherein the power cable is used for transmitting and distributing electric energy, the power cable is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, and the proportion of the cable in the power line is gradually increased. The power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises 1-500KV and above various voltage grades and various insulated power cables, but the common power cable does not bear load and share the cable in the using process, after the common power cable is used outdoors for a long time, an outer sheath is easily broken, the normal use of the cable is influenced, and finally the cable is broken, the use cost is increased if the common power cable is light, and an electric power safety accident is caused if the common power cable is heavy.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem the utility model provides an anti-fracture low voltage power cable.

In order to achieve the above object, the utility model provides a following technical scheme: the anti-fracture low-voltage power cable comprises a cable body, wherein the cable body is composed of a plurality of groups of cable core assemblies, a flexible layer, a filling layer, an anti-fracture reinforcing assembly and a wear-resistant outer layer, the plurality of groups of cable core assemblies are wrapped by the flexible layer, the filling layer is arranged between the flexible layer and the plurality of groups of cable core assemblies, the anti-fracture reinforcing assembly is sleeved on the outer side of the flexible layer, and the wear-resistant outer layer is sleeved on the anti-fracture reinforcing assembly and is positioned on the outermost side of the cable body;

the cable core assembly is composed of a plurality of copper wires with small diameters and a wrapping layer, and the plurality of copper wires are wrapped into strands through the wrapping layer;

prevent disconnected reinforcement assembly and constitute through two enhancement lassos, a plurality of strengthening rib, two hoop grooves and two elasticity hoop, a plurality of strengthening rib equidistance fixed connection is two between the enhancement lasso, the hoop groove is seted up on the enhancement lasso, elasticity hoop overlaps establishes the inside in hoop groove.

Preferably, the flexible layer is made of a filament composite material.

Preferably, the filling layer is made of polypropylene synthetic material.

Preferably, the wear-resistant outer layer is made of a cable protective sleeve.

Preferably, the wrapping layer is made of a metal wire mesh grid.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cable core subassembly, the pliability layer, the filling layer, prevent mutually supporting between disconnected enhancement subassembly and the wear-resisting skin, realized one kind and prevented fracture low voltage power cable, not only carry out effectual increase to power cable's intensity, thereby avoided the fracture that the cable takes place in the use, and when guaranteeing equal cross-section, the radical of copper wire has been increased, the cross-section of single copper wire has been reduced, the effectual pliability that increases the cable, consequently, avoided the fracture of power cable because of buckling to take place, thereby the life of cable has been promoted greatly, also consequently, the utility model discloses a practicality has been improved.

2. The utility model can effectively avoid the fracture caused by bending in the using process due to the characteristics of smoothness, softness, translucency and the like of the fiber synthetic material, greatly increase the tensile strength, the insulation performance and the like of the power cable, effectively protect the wires and the cables due to the fact that the polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high wear resistance and the like, effectively protect the wires and the cables because the cable protective sleeve is made of polyethylene PE and high-quality steel pipes through sandblasting and shot blasting pretreatment, dip molding or coating, heating and curing processes, and furthest increase the wear resistance of the power cable because the cable protective sleeve has good insulation performance, high chemical stability, no rustiness, no aging, adaptable harsh environment and good wear resistance, through setting up the wire mesh grid not only can carry out closely tight parcel to cable main guide core and cable tutor core, can effectual filtering unnecessary electromagnetic wave moreover, play the effect of shielding electromagnetic wave, consequently improved greatly the utility model discloses a practicality.

Drawings

Fig. 1 is a schematic sectional structure view of the fracture-preventing low-voltage power cable of the present invention;

fig. 2 is a schematic structural view of a cable core assembly in the fracture-preventing low-voltage power cable of the present invention;

fig. 3 is the utility model discloses prevent among the low voltage power cable that splits and prevent disconnected subassembly of strengthening's schematic structure.

In the figure: 1 cable body, 101 cable core assembly, 102 flexible layer, 103 filling layer, 104 anti-break reinforcing assembly, 105 wear-resistant outer layer, 1011 copper wire, 1012 wrapping layer, 1041 reinforcing ferrule, 1042 reinforcing rib, 1043 ferrule groove and 1044 elastic ferrule.

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. 1-3, a fracture-preventing low-voltage power cable includes a cable body 1, the cable body 1 is composed of a plurality of cable core assemblies 101, a flexible layer 102, a filling layer 103, a fracture-preventing reinforcing assembly 104 and a wear-resistant outer layer 105, the plurality of cable core assemblies 101 are wrapped by the flexible layer 102, the flexible layer 102 is made of a fiber synthetic material, the fiber synthetic material has the characteristics of smoothness, softness, translucency and the like, so that the flexibility of the power cable can be improved, fracture caused by bending in the use process can be effectively avoided, the filling layer 103 is arranged between the flexible layer 102 and the plurality of cable core assemblies 101, the filling layer 103 is made of a polypropylene synthetic material, and polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties, good high wear resistance and the like, therefore, can greatly increased the utility model discloses power cable's tensile, performances such as insulation, prevent that disconnected reinforcement assembly 104 cover establishes in the outside of pliability layer 102, wear-resisting outer 105 is made through the cable protection sleeve, because the cable protection sleeve adopts polyethylene PE and high-quality steel pipe to throw ball pretreatment through the sandblast, soak and mould or the application, the solidification technology preparation of heating forms, can effectual protection electric wire and cable, and because it has insulating properties good, chemical stability is high, do not rust, it is not ageing, adaptable harsh environment, and good wear resistance, consequently can furthest's increase the utility model discloses power cable's wear resistance, wear-resisting outer 105 cover is established on preventing disconnected reinforcement assembly 104, and is located the outside of cable body 1.

Please refer to fig. 1-3, the cable core assembly 101 is composed of a plurality of copper wires 1011 with small diameter and a wrapping layer 1012, the plurality of copper wires 1011 are wrapped into a strand by the wrapping layer 1012, the wrapping layer 1012 is made by a metal wire mesh grid, not only the cable main guide core and the cable auxiliary guide core can be tightly wrapped by the metal wire mesh grid, but also unnecessary electromagnetic waves can be effectively filtered, the electromagnetic wave shielding effect is achieved, and the practicability of the utility model is greatly improved.

Referring to fig. 1-3, the breakage-proof reinforcement assembly 104 is composed of two reinforcement ferrules 1041, a plurality of reinforcing ribs 1042, two hoop grooves 1043 and two elastic hoop rings 1044, wherein the plurality of reinforcing ribs 1042 are fixedly connected between the two reinforcement ferrules 1041 at equal intervals, the hoop grooves 1043 are arranged on the reinforcement ferrules 1041, the elastic hoop rings 1044 are sleeved inside the hoop grooves 1043, and the breakage-proof low-voltage power cable is realized by the mutual cooperation among the cable core assembly 101, the flexible layer 102, the filling layer 103, the breakage-proof reinforcement assembly 104 and the wear-resistant outer layer 105, so that the strength of the power cable is effectively increased, the cable is prevented from being broken in the using process, the number of copper wires 1011 is increased while the same cross section is ensured, the cross section of a single copper wire 1011 is reduced, the flexibility of the cable is effectively increased, and the power cable is prevented from being broken due to bending, thereby the life of cable has also consequently improved greatly the utility model discloses a practicality.

In summary, the following steps: the anti-fracture low-voltage power cable solves the problems mentioned in the background art by arranging a cable core assembly 101, a flexible layer 102, a filling layer 103, an anti-fracture reinforcing assembly 104 and an abrasion-resistant outer layer 105.

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

Claims (5)

1. The utility model provides a prevent low voltage power cable that splits, includes cable body (1), its characterized in that: the cable body (1) is composed of a plurality of groups of cable core assemblies (101), a flexible layer (102), a filling layer (103), an anti-breaking reinforcing assembly (104) and a wear-resistant outer layer (105), wherein the cable core assemblies (101) are wrapped by the flexible layer (102), the filling layer (103) is arranged between the flexible layer (102) and the cable core assemblies (101), the anti-breaking reinforcing assembly (104) is sleeved on the outer side of the flexible layer (102), and the wear-resistant outer layer (105) is sleeved on the anti-breaking reinforcing assembly (104) and is located on the outermost side of the cable body (1); the cable core assembly (101) is composed of a plurality of copper wires (1011) with small diameters and a wrapping layer (1012), and the plurality of copper wires (1011) are wrapped into strands through the wrapping layer (1012); the breakage-proof reinforcing assembly (104) is composed of two reinforcing ferrules (1041), a plurality of reinforcing ribs (1042), two hoop grooves (1043) and two elastic hoop rings (1044), the reinforcing ribs (1042) are fixedly connected between the two reinforcing ferrules (1041) at equal intervals, the hoop grooves (1043) are formed in the reinforcing ferrules (1041), and the elastic hoop rings (1044) are sleeved in the hoop grooves (1043).

2. The anti-rupture low voltage power cable according to claim 1, characterized in that: the flexible layer (102) is made of a fiber-filament composite material.

3. A breakage-proof low-voltage power cable according to claim 2, characterized in that: the filling layer (103) is made of polypropylene synthetic material.

4. A breakage-proof low-voltage power cable according to claim 3, characterized in that: the wear-resistant outer layer (105) is made of a cable protection sleeve.

5. The anti-rupture low voltage power cable according to claim 4, characterized in that: the wrapping layer (1012) is made of metal wire woven mesh.

Images