CN210777942U - Hollow filler strip electric wire cable - Google Patents

Abstract

The utility model discloses a hollow filler strip electric wire cable, the inside center of cable main part is equipped with hollow filler strip, the cross sectional shape of cable main part is circular, cross-linked silicon silk screen shape is latticed evenly distributed, the through-hole has been seted up in the middle of the hollow filler strip, the hollow filler strip outside is equipped with the conductor, the conductor evenly is provided with four groups, the conductor is central distribution and arranges, the conductor is stranded into one by many round copper single lines, form by the stranded transposition again, the conductor outside cladding has cross-linked polyethylene insulation, the conductor outside cladding has cable band layer, the direction of wrapping of cable band layer is from left side to right side, cross-linked polyethylene insulation outside cladding has the oversheath, the oversheath inboard is equipped with cross-linked silicon silk screen through the bonding, cross-linked silicon silk screen inside packing has; the utility model discloses have improvement cable structure stability, improve cable heat-sinking capability, waste material is recycled, the effect is stable, nimble high-efficient, convenient to use.

Description

Hollow filler strip electric wire cable

Technical Field

The utility model relates to an electric wire cable technical field specifically is a hollow filler strip electric wire cable.

Background

Cable (electric cable): the cable protection sleeve is usually composed of a plurality of or a plurality of groups of wires, along with the rapid development of power cable buried laying engineering, the cable protection sleeve puts higher requirements on cable protection, and is manufactured by adopting Polyethylene (PE) and high-quality steel pipes through processes of sand blasting and shot blasting pretreatment, plastic dipping or coating, and heating and curing. It is one of the most commonly used electrically insulating tubes for protecting wires and cables. The cable protective sleeve has the advantages that the cable protective sleeve is good in insulating property, high in chemical stability, free of rusting and aging, and capable of adapting to harsh environments, so that the cable protective sleeve is widely applied, and the following advantages can be achieved: the cable protective sleeve has the advantages of good corrosion resistance, long service life, capability of being used in a damp salt alkali zone, good flame retardance and heat resistance, capability of being used for a long time at a high temperature of 130 ℃ without deformation, capability of not burning when encountering fire, high strength and high rigidity, capability of being directly buried under a traffic lane without adding a concrete protective layer, capability of quickening the construction progress of a cable project, certain flexibility of both a cable protective sleeve and a pipe fitting, capability of resisting damage caused by external stress and foundation settlement, good external signal interference resistance, smooth inner wall and no scratch on the cable, and the addition of the rubber sealing ring at a joint not only adapts to expansion with heat and contraction with cold but also prevents mud and sand from entering;

the filling rope used in the production of the electric wire and cable at present is generally a polypropylene reticular tearing film or a glass fiber rope, one or more filling ropes are generally filled according to the size of a cable core, and because the filling rope is not regularly round, the structure of a cable core after cabling is unstable, and the roundness of a finished cable is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow filler strip electric wire cable has improvement cable structure stability, improves cable heat-sinking capability, and the problem among the prior art has been solved to waste material recycle, stable, nimble high efficiency, convenient to use's advantage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hollow filler strip electric wire cable, includes the cable main part, the inside center of cable main part is equipped with hollow filler strip, the through-hole has been seted up in the middle of the hollow filler strip, the hollow filler strip outside is equipped with the conductor, the cladding of the conductor outside has the crosslinked polyethylene to be insulating, the cladding of the conductor outside has cable band layer, the insulating outside cladding of crosslinked polyethylene has the oversheath, the oversheath inboard is equipped with crosslinked silicon silk screen through the bonding, the inside packing of crosslinked silicon silk screen has the netted membrane of tearing of polypropylene.

Preferably, the conductor is formed by stranding a plurality of round copper single wires into one strand and then twisting the strands.

Preferably, the wrapping direction of the cable wrapping layer is from left to right.

Preferably, four groups of conductors are uniformly arranged, and the conductors are distributed and arranged in the center.

Preferably, the cross-sectional shape of the cable main body is circular, and the cross-linked silicon mesh is uniformly distributed in a grid shape.

Compared with the prior art, the beneficial effects of the utility model are as follows: this hollow filler strip electric wire cable, in the use, tensile property through oversheath protection cable, thereby prevent that the cable from receiving to drag the use strength who damages the improvement cable, this cable is filled because of the shape rule, fill as the cable center and can effectively improve cable structure's stability, secondly, because it can effectively dispel the heat for hollow structure in the cable operation, well known cable life's length mainly depends on the time that the insulation is ageing, cable operation in-process can be insulating ageing with higher speed because generating heat, and the heat dissipation that used hollow filling can be better, slow down insulating ageing speed, effectively improve cable life, finally, this type fills and becomes with useless PVC material reprocessed, can the effective control cost.

Drawings

Fig. 1 is a schematic view of an overall structure of a hollow filler strip electric wire cable according to the present invention;

fig. 2 is the schematic cross-sectional structure diagram of the electric wire cable with hollow filler strips of the present invention.

The figures are labeled as follows: 1. a cable body; 2. a polypropylene mesh tear film; 3. a conductor; 4. a through hole; 5. an outer sheath; 6. a cable belting layer; 7. insulating crosslinked polyethylene; 8. cross-linking the silicon wire mesh; 9. and (5) hollow filling strips.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 and 2, a hollow filler strip electric wire cable comprises a cable main body 1, wherein the cross section of the cable main body 1 is circular, a hollow filler strip 9 is arranged in the center of the inside of the cable main body 1, a through hole 4 is formed in the middle of the hollow filler strip 9, a conductor 3 is arranged on the outer side of the hollow filler strip 9, the hollow filler strip 9 is used as a cable center filler, so that the stability of a cable structure can be effectively improved, and secondly, the hollow filler strip 9 can effectively dissipate heat in the cable operation process, so that the insulation aging speed is slowed down, and the service life of the cable is effectively;

example 2:

referring to fig. 1 and 2, in an electric wire cable with a hollow filler strip, a conductor 3 is formed by bundling a plurality of round copper single wires into one strand and then twisting the plurality of strands, four groups of conductors 3 are uniformly arranged, the conductors 3 are distributed in the center, cross-linked polyethylene insulation 7 is coated on the outer side of each conductor 3, a cable wrapping layer 6 is coated on the outer side of each conductor 3, the wrapping direction of the cable wrapping layer 6 is from left to right, the conductors 3 are used for conducting work, the cross-linked polyethylene insulation 7 is tightly coated on the outer side of each conductor 3 to protect the inner conductor 3 while insulating, and the cable wrapping layer 6 further protects the structure of each conductor 3;

example 3:

referring to fig. 1 and 2, in a hollow filler wire cable, an outer sheath 5 is wrapped outside a cross-linked polyethylene insulation 7, a cross-linked silicon screen 8 is arranged inside the outer sheath 5 through bonding, the cross-linked silicon screen 8 is uniformly distributed in a grid shape, a polypropylene mesh tearing film 2 is filled inside the cross-linked silicon screen 8, the tensile property of the cable is protected through the outer sheath 5, the cable is prevented from being damaged by pulling, so that the use strength of the cable is improved, the bonding strength is improved through the cross-linked silicon screen 8, the hollow filler wire cable is formed by processing waste PVC materials for filling again, and the cost can be effectively controlled.

The working principle is as follows: the utility model relates to a hollow filler strip electric wire cable, in the use, the oversheath 5 improves the wearability and the insulating properties of the electric wire cable, prevent the too big friction with the ground in the process of drawing and receiving, damage the crust of the cable main body 1, improve the safety performance of the user, the central filling of the electric wire cable can effectively improve the stability of the electric wire cable structure through the hollow filler strip 9, secondly, the middle part of the hollow filler strip 9 is provided with a through hole 4, the heat dissipation can be effectively carried out through the hollow structure in the cable operation, the insulation aging speed is slowed down, the cable service life is effectively improved, the whole structural properties of the electric wire cable can be improved through the plasticity of the polypropylene reticular tearing film 2, the fracture pulling force and the tensile impact performance, the electric wire cable is used through the conductor 3 for conducting work, the inner conductor 3 is protected while insulating through the crosslinked polyethylene insulation 7 is, through the structure of cable band 6 further protection conductor 3, improve the better protection inner conductor 3 of bonding strength through crosslinked silicon silk screen 8, crosslinked polyethylene insulation 7 protects inner conductor 3's structural strength, closely twines on conductor 3 through cable band 6, guarantees conductor 3's compact structure nature, guarantees conductor 3 and carries the transmission efficiency in the use, and this type of waste PVC material for filling is reprocessed and is formed, can the effective control cost.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a hollow filler strip electric wire cable which characterized in that: including cable main part (1), the inside center of cable main part (1) is equipped with hollow filler strip (9), through-hole (4) have been seted up in the middle of hollow filler strip (9), the hollow filler strip (9) outside is equipped with conductor (3), the cladding of conductor (3) outside has crosslinked polyethylene to insulate (7), the cladding of conductor (3) outside has cable band layer (6), the cladding of crosslinked polyethylene is insulating (7) the outside has oversheath (5), oversheath (5) inboard is equipped with crosslinked silicon silk screen (8) through the bonding, crosslinked silicon silk screen (8) inboard is filled with polypropylene mesh and tears membrane (2).

2. The hollow filler strip wire cable of claim 1, wherein: the conductor (3) is formed by bundling a plurality of round copper single wires into one strand and then twisting the strands.

3. The hollow filler strip wire cable of claim 1, wherein: the wrapping direction of the cable wrapping layer (6) is from left to right.

4. The hollow filler strip wire cable of claim 1, wherein: four groups of conductors (3) are uniformly arranged, and the conductors (3) are distributed and arranged in the center.

5. The hollow filler strip wire cable of claim 1, wherein: the cross-sectional shape of the cable main body (1) is circular, and the cross-linked silicon silk screen (8) is uniformly distributed in a grid shape.

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