CN214476528U

CN214476528U - Low-smoke halogen-free cable filling rope

Info

Publication number: CN214476528U
Application number: CN202022426666.7U
Authority: CN
Inventors: 孙一斌; 吴体丽
Original assignee: Liyang Huasu New Material Co ltd
Current assignee: Liyang Huasu New Material Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-10-22
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a low smoke and zero halogen cable packing rope, including the inner core layer, the fixed surface cladding of inner core layer is equipped with the coating, and the fixed parcel withstand voltage layer in the coating, the outer wall of coating are fixed and are equipped with the epidermal layer, the fire-retardant layer of the fixed coating of outer wall of epidermal layer, a plurality of antiskid balls of the outer wall fixed mounting of epidermal layer, the fixed fire-retardant layer that runs through of antiskid ball. Reinforce the packing rope intensity through the inner core layer, improve cable tensile strength, through coating cladding inner core layer and resistance to pressure for compact type is connected at each layer of packing rope, improves the radial compressive property of cable, and the fire-retardant layer of epidermal layer outside coating improves fire behaviour, and improves the mutual frictional force of packing rope through the antiskid ball, avoids the packing rope to take place to slide in the cable, guarantees the filling stability of packing rope.

Description

Low-smoke halogen-free cable filling rope

Technical Field

The utility model relates to a cable filling rope technical field specifically is a low smoke and zero halogen cable filling rope.

Background

The filling rope is one of the important components of the filling wire and cable, the filling rope can increase the mechanical strength of the cable, so that the cable is more durable, the filling rope becomes an important scientific and technological research project and is increasingly concerned by the industry and related industries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low smoke and zero halogen cable packing rope to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low smoke and zero halogen cable packing rope, includes inner core layer, its characterized in that: the fixed surface of inner core layer is wrapped and is equipped with the coating, the internal fixed parcel withstand voltage layer of coating, the fixed epidermal layer that is equipped with of outer wall of coating, the fire-retardant layer of the fixed coating of outer wall of epidermal layer, a plurality of anti-skidding balls of outer wall fixed mounting of epidermal layer, the fixed fire-retardant layer that runs through of anti-skidding ball.

Preferably, the inner core layer comprises a soft steel wire and a plurality of glass fiber yarns, the outer wall of the soft steel wire is uniformly provided with the plurality of glass fiber yarns along the circumferential direction, and the soft steel wire and the plurality of glass fiber yarns are wound to form a spiral structure.

Preferably, the coating layer comprises an outer asbestos layer and an inner asbestos layer, the outer asbestos layer wraps the outer side of the inner asbestos layer, a pressure-resistant layer is arranged between the outer asbestos layer and the inner asbestos layer, a plurality of rows of tensioning lines are fixedly arranged between the outer asbestos layer and the inner asbestos layer, and the tensioning lines penetrate through the pressure-resistant layer.

Preferably, outer asbestos layer and interior asbestos layer are the reticular structure that asbestos fiber woven formation, the resistance to pressure layer includes the go-between, the outer wall on interior asbestos layer cup joints a plurality of go-between, and is adjacent a plurality of outer horizontal poles of the terminal surface outside fixed mounting of go-between, a plurality of interior horizontal poles of the inboard fixed mounting of go-between terminal surface, the fixed elastic ring that cup joints of the circumference outer wall of go-between, the inner wall on outer asbestos layer is closely laminated to the elastic ring.

Preferably, the number of the outer cross rods is the same as that of the inner cross rods, the outer cross rods and the inner cross rods are uniformly distributed along the circumferential direction of the connecting ring, and the outer cross rods and the inner cross rods are of arc structures and opposite in bending direction.

Preferably, the epidermal layer is low smoke PP resin extrusion moulding, fire-retardant layer is the no halogen flame retardant coating, the antiskid ball is the low smoke PP resin hemisphere structure of fixed butt fusion epidermal layer.

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

1. the glass fiber reinforced plastic composite material is formed by winding a plurality of strands of glass fiber yarns and soft steel wires, so that the overall strength and tensile property are improved;

2. the pressure-resistant layer is coated by the outer asbestos layer and the inner asbestos layer, and the tension lines penetrate through the gaps between the adjacent outer cross rods and the inner cross rods, so that the pressure-resistant layer is tensioned and coated, and all the layers are connected tightly;

3. the drum-shaped structure formed by bending the outer cross rod and the inner cross rod can buffer pressure, so that the compression resistance is improved, meanwhile, the elastic ring is convenient to attach to the outer asbestos layer and synchronously deforms when being compressed, and the strength of the cable is improved;

4. the flame retardant layer is coated on the outer side of the surface layer, so that the flame retardant property is improved, the friction force between the filling ropes is improved through the anti-slip balls, the filling ropes are prevented from sliding in the cable, and the filling stability of the filling ropes is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the wear-resistant layer of the present invention.

In the figure: 1. an inner core layer; 11. glass fiber yarns; 12. a mild steel wire; 2. a coating layer; 21. an outer asbestos layer; 22. tensioning the wire; 23. an inner asbestos layer; 3. a pressure-resistant layer; 31. a connecting ring; 32. an outer cross bar; 33. an inner cross bar; 34. an elastic ring; 4. a skin layer; 5. a flame retardant layer; 6. an antiskid ball.

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. 1-2, the present invention provides a technical solution: the utility model provides a low smoke and zero halogen cable packing rope, includes inner core layer 1, its characterized in that: the fixed surface cladding of inner core layer 1 is equipped with

coating

2, 2 internal fixation parcel withstand voltage layers 3 of coating, and the outer wall of coating 2 is fixed and is equipped with epidermal layer 4, the fire-retardant layer 5 of the fixed coating of outer wall of epidermal layer 4, a plurality of anti-skidding balls 6 of the outer wall fixed mounting of epidermal layer 4, and anti-skidding ball 6 is fixed to run through fire-retardant layer 5. Through 1 intensive packing rope intensity of inner core layer, improve cable tensile strength, through 2 cladding inner core layers 1 of coating and resistance to compression 3, improve the radial compressive property of cable, 4 outside coating flame retardant coating 5 of epidermal layer improve fire behaviour to improve the mutual frictional force of packing rope through anti-skidding ball 6, avoid the packing rope to take place to slide in the cable, guarantee the filling stability of packing rope.

Inner core layer 1 includes mild steel wire 12 and glass fiber silk 11, and the outer wall of mild steel wire 12 evenly is equipped with a plurality of glass fiber silks 11 along the circumferencial direction, and mild steel wire 12 and a plurality of glass fiber silk 11 winding form helical structure, through the winding formation of stranded glass fiber silk 11 and mild steel wire 12, improve bulk strength and tensile strength.

Coating 2 includes outer asbestos layer 21 and interior asbestos layer 23, the outside on asbestos layer 23 including outer asbestos layer 21 parcel, and be equipped with resistance to pressure 3 between outer asbestos layer 21 and interior asbestos layer 23, fixed multirow tension line 22 that is equipped with between outer asbestos layer 21 and interior asbestos layer 23, tension line 22 runs through resistance to pressure 3, through outer asbestos layer 21 and interior asbestos layer 23 cladding resistance to pressure 3, and taut through tension line 22, make coating 2 firmly wrap up resistance to pressure.

The outer asbestos layer 21 and the inner asbestos layer 23 are both of net structures formed by weaving asbestos fibers, the pressure resistance layer 3 comprises a connecting ring 31, the outer wall of the inner asbestos layer 23 is sleeved with a plurality of connecting rings 31, the outer sides of the end faces of the adjacent connecting rings 31 are fixedly provided with a plurality of outer cross rods 32, the inner sides of the end faces of the connecting rings 31 are fixedly provided with a plurality of inner cross rods 33, the outer wall of the circumference of each connecting ring 31 is fixedly sleeved with an elastic ring 34, the elastic rings 34 are tightly attached to the inner wall of the outer asbestos layer 21, the outer cross rods 32 and the inner cross rods 33 are the same in number and are uniformly distributed along the circumferential direction of the connecting rings 31, the outer cross rods 32 and the inner cross rods 33 are both of arc structures and opposite in bending direction, when a cable is subjected to radial pressure, drum structures formed by bending the outer cross rods 32 and the inner cross rods 33 can buffer the pressure, the pressure resistance performance is improved, and simultaneously the elastic rings 34 are convenient to be attached to the outer asbestos layer 21 and synchronously deform under pressure, the tension line 22 penetrates through the adjacent outer cross bar 32 and the inner cross bar 33, so that the pressure-resistant layer 3 can be fixed conveniently.

The surface layer 4 is formed by extruding low-smoke PP resin, the flame-retardant layer 5 is a halogen-free flame retardant coating, and the antiskid balls 6 are in a low-smoke PP resin hemisphere structure fixedly welded on the surface layer 4, so that the flame retardant property of the filling rope is improved, and the smoke poison during final combustion is reduced.

The working principle is as follows: the utility model discloses during the use, form through 11 and the 12 winding of stranded glass fiber silk, improve bulk strength and tensile strength, through outer asbestos layer 21 and the 23 cladding resistance to pressure of interior asbestos layer 3, and run through adjacent outer horizontal pole 32 and the clearance of interior horizontal pole 33 through taut line 22, thereby taut parcel resistance to pressure 3, the drum type structure of outer horizontal pole 32 and the crooked formation of interior horizontal pole 33 can cushion pressure, improve resistance to pressure, elastic ring 34 is convenient for the outer asbestos layer 21 of laminating and synchronous deformation when pressurized simultaneously, improve cable strength, 4 outside coating flame retardant coating 5 of epidermal layer, improve flame retardant property, and improve the mutual frictional force of filling rope through anti-skidding ball 6, avoid the filling rope to take place to slide in the cable, guarantee the filling stability of filling rope.

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 low smoke and zero halogen cable packing rope, includes inner core layer (1), its characterized in that: the fixed surface cladding of inner core layer (1) is equipped with coating (2), coating (2) internal fixation parcel withstand voltage layer (3), the outer wall of coating (2) is fixed and is equipped with epidermal layer (4), the fixed coating flame retardant coating (5) of outer wall of epidermal layer (4), a plurality of antiskid ball (6) of outer wall fixed mounting of epidermal layer (4), antiskid ball (6) are fixed to run through flame retardant coating (5).

2. The low smoke zero halogen cable filler rope according to claim 1, characterized in that: inner core layer (1) includes mild steel wire (12) and glass fiber silk (11), the outer wall of mild steel wire (12) evenly is equipped with a plurality of glass fiber silks (11) along the circumferencial direction, mild steel wire (12) and a plurality of glass fiber silk (11) winding form helical structure.

3. The low smoke zero halogen cable filler rope according to claim 1, characterized in that: the coating layer (2) comprises an outer asbestos layer (21) and an inner asbestos layer (23), the outer side of the inner asbestos layer (23) is wrapped by the outer asbestos layer (21), a pressure-resistant layer (3) is arranged between the outer asbestos layer (21) and the inner asbestos layer (23), a plurality of rows of tension lines (22) are fixedly arranged between the outer asbestos layer (21) and the inner asbestos layer (23), and the tension lines (22) penetrate through the pressure-resistant layer (3).

4. The low smoke zero halogen cable filler rope according to claim 3, characterized in that: outer asbestos layer (21) and interior asbestos layer (23) are the reticular structure that asbestos fiber woven formation, resistance to pressure layer (3) are including go-between (31), the outer wall of interior asbestos layer (23) cup joints a plurality of go-between (31), and is adjacent a plurality of outer horizontal poles (32) of the terminal surface outside fixed mounting of go-between (31), horizontal pole (33) in a plurality of fixed mounting of go-between (31) terminal surface inboard, the circumference outer wall fixed socket elastic ring (34) of go-between (31), the inner wall of outer asbestos layer (21) is closely laminated in elastic ring (34).

5. The low smoke zero halogen cable filler rope according to claim 4, characterized in that: the number of the outer transverse rods (32) is the same as that of the inner transverse rods (33), the outer transverse rods (32) and the inner transverse rods (33) are uniformly distributed along the circumferential direction of the connecting ring (31), and the outer transverse rods (32) and the inner transverse rods (33) are of arc-shaped structures and opposite in bending direction.

6. The low smoke zero halogen cable filler rope according to claim 1, characterized in that: epidermal layer (4) are low smoke PP resin extrusion moulding, fire-retardant layer (5) are the halogen-free flame retardant coating, antiskid ball (6) are the low smoke PP resin hemisphere structure of fixed butt fusion epidermal layer (4).