CN214956107U

CN214956107U - Toughened high-strength wire cable

Info

Publication number: CN214956107U
Application number: CN202121632245.8U
Authority: CN
Inventors: 陈大才; 陈建新; 潘秀; 谢宽
Original assignee: Wuhan Wuhu Cable Co ltd
Current assignee: Wuhan Wuhu Cable Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-30
Anticipated expiration: 2031-07-19

Abstract

The utility model provides a toughening high-strength wire and cable, which relates to the technical field of cables and comprises an inner protective layer and an inner cavity thereof, wherein the outer wall of the inner protective layer is provided with an inner flame-retardant layer, the outer part of the inner flame-retardant layer is provided with a shielding layer, a conductor and a filling layer are arranged between the inner flame-retardant layer and the shielding layer, the outer wall of the shielding layer is sleeved with an outer flame-retardant layer, the outer wall of the outer flame-retardant layer is sleeved with a buffer layer, the outer part of the buffer layer is provided with a heat insulation ring, a space layer is arranged between the heat insulation ring and the buffer layer, a buffer ring is fixed in the space layer, the outer wall of the heat insulation ring is provided with an outer protective layer, the toughening high-strength wire and cable has the advantages that the whole cross section of the cable is annular by arranging a cavity at the axis of the cable, when the cable is extruded, the cavity can shrink and deform, the pressure of the cable is buffered, the toughness of the cable is improved, to improve the strength of the cable.

Description

Toughened high-strength wire cable

Technical Field

The utility model relates to the technical field of cables, specifically be a toughening high strength wire and cable.

Background

Cables are generally rope-like cables made by stranding several or 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. The existing cable is poor in toughness and easy to break and damage a conductor due to pressure, and the durability of the existing cable is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a toughening high strength wire and cable has solved current cable toughness not good, easily receives pressure to lead to the conductor to break and damage, influences the problem of its durability.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a toughen high strength wire and cable, includes inner protective layer and inside cavity thereof, inner protective layer's outer wall is equipped with interior fire-retardant layer, and the outside on interior fire-retardant layer is equipped with the shielding layer, the shielding layer with be equipped with conductor and filling layer between the interior fire-retardant layer, the outer wall cover of shielding layer is equipped with outer fire-retardant layer, and the outer wall cover on outer fire-retardant layer is equipped with the buffer layer, the outside of buffer layer is equipped with thermal-insulated ring, is equipped with thermal-insulated layer between thermal-insulated ring and the buffer layer, and separates the internal fixation of spatial layer and have the buffering ring, the outer wall that separates the thermal-insulated ring is equipped with outer protective layer.

Further, the inner wall of cavity is fixed with the atress rope, and the outer wall of atress rope is equipped with the protection film, can share the pulling force that the cable received through the atress rope, reduces the pulling force that the conductor received when dragging the cable, reduces the conductor fracture and damages the probability, improves the tensile strength of cable.

Furthermore, the stress ropes are in annular array with the axis of the cavity as the center of a circle, so that the stress uniformity of each part can be ensured.

Furthermore, the quantity of the inside interlayer, interlayer and conductor of filling layer is four, and four interlayers are with four conductor intervals, through separating the dirt with the conductor interval, can avoid the thermal influence each other of conductor, and the dirt that separates simultaneously also plays the supporting role to the conductor, and the damage degree that the conductor received when the cable pressurized can be reduced improves its compressive strength.

Furthermore, two sides of the interlayer are respectively connected with the inner flame-retardant layer and the shielding layer.

Furthermore, the buffer rings are annularly arrayed inside the spacing layer by taking the axis of the cavity as a circle center.

(III) advantageous effects

The utility model provides a toughened high strength wire and cable. The method has the following beneficial effects:

1. this increase tough high strength wire and cable sets up the cavity through the axle center department at the cable, makes the whole cross-section of cable become cyclic annular, and when the cable received the extrusion, the collapsible deformation of cavity cushioned the pressure that the cable received, improved the toughness of cable to improve the intensity of cable.

2. This increase tough high strength wire and cable can share the pulling force that the cable received through the atress rope, and the pulling force that the conductor received when reducing the dragging cable reduces the conductor fracture and damages the probability, improves the tensile strength of cable.

3. This increase tough high strength wire and cable through the dust removal with the conductor interval, can avoid the thermal influence each other of conductor, the dust removal also plays the supporting role to the conductor simultaneously, and the damage degree that the conductor received when can reduce the cable pressurized improves its compressive strength.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the figure: 1. an inner protective layer; 2. an inner flame retardant layer; 3. a shielding layer; 4. a filling layer; 5. a conductor; 6. an outer flame retardant layer; 7. a buffer layer; 8. a buffer ring; 9. a heat insulating ring; 10. an outer protective layer; 11. a cavity; 12. a stressed rope; 13. and (5) protecting the film.

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.

The embodiment of the utility model provides a toughened high strength wire and cable, as shown in figure 1-2, including inner protective layer 1 and its inside cavity 11, the inner wall of cavity 11 is fixed with atress rope 12, the outer wall of atress rope 12 is equipped with protection film 13, can share the pulling force that the cable received through atress rope 12, reduce the pulling force that conductor 5 received when dragging the cable, reduce conductor 5 fracture damage probability, improve the tensile strength of cable, atress rope 12 uses cavity 11 axle center as centre of a circle annular array, can guarantee the homogeneity of each part atress, the outer wall of inner protective layer 1 is equipped with interior fire-retardant layer 2, and the outside of interior fire-retardant layer 2 is equipped with shielding layer 3, be equipped with conductor 5 and filling layer 4 between shielding layer 3 and interior fire-retardant layer 2, the inside interlayer of filling layer 4, the both sides of interlayer are connected with interior fire-retardant layer 2 and shielding layer 3 respectively, the quantity of interlayer and conductor 5 is four, the four isolating layers separate the four conductors 5, and the conductors 5 are separated by dust separation, so that the mutual influence of the heat of the conductors 5 can be avoided, meanwhile, the dust-proof also plays a role in supporting the conductor 5, the damage degree of the conductor 5 when the cable is pressed can be reduced, the compressive strength of the cable is improved, the outer wall of the shielding layer 3 is sleeved with an outer flame-retardant layer 6, and the outer wall of the outer flame-retardant layer 6 is sleeved with a buffer layer 7, the outer part of the buffer layer 7 is provided with a heat insulation ring 9, a spacing layer is arranged between the heat insulation ring 9 and the buffer layer 7, a buffer ring 8 is fixed in the hollow layer, an outer protective layer 10 is arranged on the outer wall of the heat insulation ring 9, a cavity 11 is arranged at the axis of the cable, so that the whole section of the cable is annular, when the cable is extruded, the cavity 11 can contract and deform to buffer the pressure on the cable, improve the toughness of the cable, in order to improve the strength of the cable, the buffer rings 8 are annularly arrayed inside the spacing layer by taking the axis of the cavity 11 as a circle center.

The working principle is as follows: during the use, axle center department at the cable sets up cavity 11, make the whole cross-section of cable become cyclic annular, when the cable receives the extrusion, cavity 11 collapsible deformation, the pressure that the buffering cable received, improve the toughness of cable, atress rope 12 can bear the weight of the pulling force that the cable received, reduce the pulling force that conductor 5 received when dragging the cable, reduce conductor 5 fracture damage probability, improve the tensile strength of cable, the dust separation is with conductor 5 interval, can avoid the thermal mutual influence of conductor 5, the dust separation also plays the supporting role to conductor 5 simultaneously, the damage degree that conductor 5 received when can reduce the cable and receive, improve its compressive strength.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a toughened high strength wire and cable, its characterized in that, includes inner protective layer (1) and inside cavity (11), the outer wall of inner protective layer (1) is equipped with interior fire-retardant layer (2), and the outside of interior fire-retardant layer (2) is equipped with shielding layer (3), shielding layer (3) and interior fire-retardant layer (2) between be equipped with conductor (5) and filling layer (4), the outer wall cover of shielding layer (3) is equipped with outer fire-retardant layer (6), and the outer wall cover of outer fire-retardant layer (6) is equipped with buffer layer (7), the outside of buffer layer (7) is equipped with thermal-insulated ring (9), is equipped with the space layer between thermal-insulated ring (9) and buffer layer (7), and the space layer internal fixation has buffer ring (8), the outer wall that separates thermal-insulated ring (9) is equipped with outer protective layer (10).

2. The toughened, high strength electrical wire cable of claim 1, wherein: and a stress rope (12) is fixed on the inner wall of the cavity (11), and a protective film (13) is arranged on the outer wall of the stress rope (12).

3. The toughened, high strength electrical wire cable of claim 2, wherein: the stress ropes (12) are in annular array by taking the axis of the cavity (11) as a circle center.

4. The toughened, high strength electrical wire cable of claim 1, wherein: the number of the inner interlayers, the number of the interlayers and the number of the conductors (5) of the filling layer (4) are four, and the four interlayers separate the four conductors (5).

5. The toughened, high strength electrical wire cable of claim 4 wherein: and two sides of the interlayer are respectively connected with the inner flame-retardant layer (2) and the shielding layer (3).

6. The toughened, high strength electrical wire cable of claim 1, wherein: the buffer rings (8) are annularly arrayed inside the spacing layer by taking the axis of the cavity (11) as a circle center.