CN213303697U

CN213303697U - Polyolefin insulation polyurethane elastomer sheath flexible photoelectric composite cable

Info

Publication number: CN213303697U
Application number: CN202022723748.8U
Authority: CN
Inventors: 袁剑; 李超; 韩春胜
Original assignee: Anhui Yuanzheng Cable Technology Co ltd
Current assignee: Anhui Yuanzheng Cable Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-05-28
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a polyolefin insulation polyurethane elastomer sheath soft photoelectric composite cable, which comprises a cable core, a first aramid fiber rope winding layer, an outer wrapping layer, a shielding layer, a polyurethane elastomer inner sheath layer, a second aramid fiber rope winding layer, a polyurethane elastomer outer sheath layer and an enhancement layer, wherein the first aramid fiber rope winding layer, the outer wrapping layer, the shielding layer, the polyurethane elastomer inner sheath layer, the second aramid fiber rope winding layer, the polyurethane elastomer outer sheath layer and the enhancement layer are sequentially coated outside the cable core; the cable core is formed by twisting an optical fiber control core and two power supply wire cores around the first toughening core; the optical fiber control core comprises an optical fiber and a polyethylene optical fiber sleeve coated outside the optical fiber, and a third aramid fiber rope winding layer is arranged outside the polyethylene optical fiber sleeve; the wire core comprises a guide core, a fourth aramid fiber rope winding layer, an inner wrapping belt layer and a polyolefin insulating layer, wherein the fourth aramid fiber rope winding layer, the inner wrapping belt layer and the polyolefin insulating layer are sequentially wrapped outside the guide core; the inner side of the inner sheath layer is provided with convex edges at intervals; the second toughening cores are embedded in the outer sheath layer at intervals. The utility model discloses aim at solving current cable structure intensity low, the toughness is poor, tensile strength low grade technical problem.

Description

Polyolefin insulation polyurethane elastomer sheath flexible photoelectric composite cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a soft photoelectricity composite cable of insulating polyurethane elastomer sheath of polyolefin.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another. The cable is of various types, including power cables, control cables, high-temperature cables, computer cables, signal cables, aluminum alloy cables, photoelectric comprehensive cables and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

Some cables need have the mild performance owing to the needs of applied scene, thereby be convenient for lay, make the cable can be according to the needs of work fine bending simultaneously, twist reverse, among the prior art, the insulation and the sheath of cable that have the compliance performance generally adopt elastomer material to make, thereby make the structural strength of cable body reduce, receive the extrusion and frequent crooked back at the cable, the inner structure is damaged easily, and the resilience of cable is relatively poor, the cable is difficult to the reconversion after frequent bending and twisting, because elastomer material's setting makes the tensile strength of cable also exist inadequately, the cable is damaged easily after being dragged frequently, the fracture.

To above technical problem, the utility model discloses a soft photoelectricity composite cable of insulating polyurethane elastomer sheath of polyolefin, the utility model has the advantages of structural strength, the toughness of improvement cable, the tensile strength of improvement cable, the life of extension cable of improvement cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, a soft photoelectricity composite cable of insulating polyurethane elastomer sheath of polyolefin is provided, insulation and the sheath that have the cable of compliance among the solution prior art generally adopt elastomer material to make, thereby make the structural strength of cable body reduce, receive the extrusion and frequent crooked back at the cable, the inner structure is damaged easily, and the resilience of cable is relatively poor, the cable is difficult to the reconversion after frequent bending and torsion, because elastomer material's setting makes the tensile strength of cable also exist not enough, the cable is damaged easily after being dragged frequently, technical problem such as fracture, the utility model has the advantages of improve the structural strength of cable, improve the toughness of cable, improve the tensile strength of cable, extend the life of cable.

The utility model discloses a following technical scheme realizes: the utility model discloses a polyolefin insulation polyurethane elastomer sheath soft photoelectric composite cable, which comprises a cable core, a first aramid fiber rope winding layer, an outer wrapping layer, a shielding layer, a polyurethane elastomer inner sheath layer, a second aramid fiber rope winding layer, a polyurethane elastomer outer sheath layer and an enhancement layer, wherein the first aramid fiber rope winding layer, the outer wrapping layer, the shielding layer, the polyurethane elastomer inner sheath layer, the second aramid fiber rope winding layer, the polyurethane elastomer outer sheath layer and the enhancement layer are sequentially coated outside the cable core; the cable core is formed by twisting an optical fiber control core and two power supply wire cores around a first toughening core, and an outer filling layer is arranged between the cable core and the first aramid fiber rope winding layer; the optical fiber control core comprises an optical fiber and a polyethylene optical fiber sleeve coated outside the optical fiber, optical fiber paste is filled in the optical fiber and the polyethylene optical fiber sleeve, and a third aramid fiber rope winding layer is arranged outside the polyethylene optical fiber sleeve; the cable core comprises a guide core, a fourth aramid fiber rope winding layer, an inner wrapping belt layer and a polyolefin insulating layer, wherein the fourth aramid fiber rope winding layer, the inner wrapping belt layer and the polyolefin insulating layer are sequentially coated outside the guide core; the inner side of the inner sheath layer is also provided with convex edges at intervals; the second toughening cores are embedded in the outer sheath layer at intervals.

Preferably, in order to improve the internal compactness and tensile strength of the cable, a filling core is embedded in the outer filling layer, and the filling core is an alkali-free glass fiber rope.

Preferably, in order to enable the cable to have excellent waterproof performance, the outer wrapping tape layer and the inner wrapping tape layer are both formed by wrapping a waterproof tape.

Preferably, the shielding layer is woven by copper wires.

Preferably, in order to improve the strength and tensile property of the cable, the reinforcing layer is formed by weaving aramid fibers.

Preferably, in order to improve the toughness of the cable, the first toughening core and the second toughening core are both made of nylon or rubber materials.

Preferably, in order to enable the cable to have excellent waterproof performance, the outer filling layer and the inner filling layer are both filled with water-blocking yarn filling ropes.

Preferably, the guide core is formed by stranding not less than two copper wires or tinned copper wires.

Preferably, in order to improve the tensile property of the cable, the tensile core is an alkali-free glass fiber rope.

The utility model has the advantages of it is following:

(1) in the utility model, a fourth aramid fiber rope winding layer is arranged outside the guide core, a third aramid fiber rope winding layer is arranged outside the polyethylene optical fiber sleeve, a first aramid fiber rope winding layer is arranged outside the cable core, and a second aramid fiber rope winding layer is arranged outside the inner sheath layer, so that the compactness and the structural strength inside the cable are improved, the compression resistance of the cable is improved, the inner structure of the cable is not easy to damage after frequent bending, and the service life of the cable is prolonged;

(2) the utility model discloses set up the first core that toughens in the middle part of the cable core, inlay in the outer sheath layer at interval and set up the second core that toughens to improve the toughness of cable, thus make the cable still can be fine resilient after frequent bending and torsion, improve the fatigue resistance of cable;

(3) in the utility model, the tensile core is embedded in the inner part of the inner sheath layer at intervals, the filling core is embedded in the outer filling layer, the reinforcing layer is arranged outside the outer sheath layer, the tensile core and the filling core are alkali-free glass fiber ropes, and the reinforcing layer is formed by weaving aramid fibers, so that the structural strength and the tensile property of the cable are improved, and meanwhile, the alkali-free glass fiber ropes also have certain high temperature resistance to ensure that the cable is more resistant to high temperature;

(4) the utility model discloses the inboard interval of inner sheath layer is provided with the bead, is formed with the recess between bead and the bead to can cushion the pressure that the cable received to a certain extent, improve the compressive property of cable;

(5) the utility model discloses in, the outsourcing band layer all adopts the area of blocking water to form around the package with the endocyst band layer, and outer filling layer and intussuseption are filled the layer and are all adopted the yarn that blocks water to fill to make the cable possess excellent waterproof performance.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of a fiber control core;

FIG. 3 is a cross-sectional view of a power core;

FIG. 4 is a cross-sectional view of a polyurethane elastomer inner jacket layer.

In the figure: 1. a cable core; 11. an optical fiber control core; 111. an optical fiber; 112. a polyethylene fiber ferrule; 113. optical fiber paste; 114. a third aramid fiber rope winding layer; 12. a power supply wire core; 121. a guide core; 122. a fourth aramid fiber rope winding layer; 123. an inner wrapping tape layer; 124. a polyolefin insulating layer; 13. a first toughening core; 2. a first aramid fiber rope winding layer; 3. wrapping a belt layer; 4. a shielding layer; 5. a polyurethane elastomer inner jacket layer; 51. a tensile core; 52. a rib; 6. a second aramid fiber rope winding layer; 7. a polyurethane elastomer outer jacket layer; 71. a second toughening core; 8. a reinforcing layer; 9. an outer filling layer; 91. filling a core; 10. and (4) an inner filling layer.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a polyolefin insulation polyurethane elastomer sheath flexible photoelectric composite cable, which comprises a cable core 1, and a first aramid fiber rope winding layer 2, an outer wrapping belt layer 3, a shielding layer 4, a polyurethane elastomer inner sheath layer 5, a second aramid fiber rope winding layer 6, a polyurethane elastomer outer sheath layer 7 and a reinforcing layer 8 which are sequentially wrapped outside the cable core 1, wherein the shielding layer 4 is formed by weaving copper wires, and the reinforcing layer 8 is formed by weaving aramid fibers; the cable core 1 is formed by twisting an optical fiber control core 11 and two power supply wire cores 12 around a first toughening core 13, an outer filling layer 9 is arranged between the cable core 1 and a first aramid fiber rope winding layer 2, a filler 91 is embedded in the outer filling layer 9, and the filler 91 is an alkali-free glass fiber rope; as shown in fig. 2, the optical fiber control core 11 includes an optical fiber 111 and a polyethylene optical fiber sleeve 112 covering the optical fiber 111, the optical fiber 111 and the polyethylene optical fiber sleeve 112 are filled with an optical fiber paste 113, and a third aramid fiber rope winding layer 114 is disposed outside the polyethylene optical fiber sleeve 112; as shown in fig. 3, the wire core 12 includes a guide core 121, a fourth aramid fiber rope winding layer 122, an inner wrapping layer 123 and a polyolefin insulating layer 124 sequentially covering the guide core 121, an inner filling layer 10 is disposed between the guide core 121 and the fourth aramid fiber rope winding layer 122, the outer filling layer 9 and the inner filling layer 10 are both filled with water-blocking ropes, the guide core 121 is formed by twisting at least two copper wires or tinned copper wires, and the outer wrapping layer 3 and the inner wrapping layer 123 are both formed by wrapping water-blocking tapes; as shown in fig. 1 and 4, tensile cores 51 are embedded in the inner sheath layer 5 at intervals, the tensile cores 51 are alkali-free glass fiber ropes, and ribs 52 are further arranged at intervals on the inner side of the inner sheath layer 5; second toughening cores 71 are embedded in the outer sheath layer 7 at intervals, and the first toughening cores 13 and the second toughening cores 71 are both made of nylon or rubber materials.

The principle of the utility model is as follows: in the utility model, the fourth aramid fiber rope winding layer 122 is arranged outside the guide core 121, the third aramid fiber rope winding layer 114 is arranged outside the polyethylene optical fiber sleeve 112, the first aramid fiber rope winding layer 2 is arranged outside the cable core 1, and the second aramid fiber rope winding layer 6 is arranged outside the inner sheath layer 5, so that the compactness and the structural strength inside the cable are improved, the compression resistance of the cable is improved, the inner structure of the cable is not easy to damage after frequent bending, and the service life of the cable is prolonged; the utility model discloses set up first toughening core 13 in the middle part of cable core 1, set up second toughening core 71 in the interval of outer sheath layer 7, thus improved the toughness of cable, thus make the cable still can be fine resilient after frequent bending and torsion, improve the fatigue resistance of cable; in the utility model, the tensile core 51 is embedded at the inner interval of the inner sheath layer 5, the filling core 91 is embedded in the outer filling layer 9, the reinforcing layer 8 is arranged outside the outer sheath layer 7, the tensile core 51 and the filling core 91 are alkali-free glass fiber ropes, and the reinforcing layer 9 is formed by weaving aramid fibers, so that the structural strength and the tensile property of the cable are improved, and meanwhile, the alkali-free glass fiber ropes also have certain high temperature resistance performance, so that the cable is more resistant to high temperature; the utility model discloses be provided with bead 52 at the inboard interval of inner sheath layer 5, be formed with the recess between bead 52 and bead 52 to can cushion the pressure that the cable received to a certain extent, improve the compressive property of cable; the utility model discloses in, outer bag belting layer 3 all adopts the water blocking area to form around the package with inner bag belting layer 123, and outer filling layer 9 and intussuseption layer 10 all adopt the yarn filling rope that blocks water to fill to make the cable possess excellent waterproof performance.

Claims

1. A soft photoelectric integrated cable with a polyolefin insulation polyurethane elastomer sheath is characterized by comprising a cable core, and a first aramid fiber rope winding layer, an outer belting layer, a shielding layer, a polyurethane elastomer inner sheath layer, a second aramid fiber rope winding layer, a polyurethane elastomer outer sheath layer and a reinforcing layer which are sequentially coated outside the cable core;

the cable core is formed by twisting an optical fiber control core and two power supply wire cores around a first toughening core, and an outer filling layer is arranged between the cable core and the first aramid fiber rope winding layer;

the optical fiber control core comprises an optical fiber and a polyethylene optical fiber sleeve coated outside the optical fiber, optical fiber paste is filled in the optical fiber and the polyethylene optical fiber sleeve, and a third aramid fiber rope winding layer is arranged outside the polyethylene optical fiber sleeve;

the cable core comprises a guide core, a fourth aramid fiber rope winding layer, an inner wrapping belt layer and a polyolefin insulating layer, wherein the fourth aramid fiber rope winding layer, the inner wrapping belt layer and the polyolefin insulating layer are sequentially coated outside the guide core;

tensile cores are embedded in the inner sheath layer at intervals, and ribs are further arranged on the inner side of the inner sheath layer at intervals;

and a second toughening core is embedded in the outer sheath layer at intervals.

2. The flexible photoelectric composite cable with polyolefin insulation and polyurethane elastomer sheath as claimed in claim 1, wherein a filler core is embedded in the outer filler layer, and the filler core is alkali-free glass fiber rope.

3. The polyolefin insulated polyurethane elastomer sheathed flexible photoelectric composite cable according to claim 1, wherein the outer and inner tape layers are wrapped with a water-blocking tape.

4. The polyolefin insulated polyurethane elastomer sheathed flexible photovoltaic integrated cable according to claim 1, wherein the shielding layer is braided from copper wires.

5. The polyolefin insulated polyurethane elastomer sheathed flexible photovoltaic composite cable of claim 1, wherein the reinforcement layer is woven from aramid fibers.

6. The polyolefin insulated polyurethane elastomer sheathed flexible photoelectric composite cable of claim 1, wherein the first toughening core and the second toughening core are both made of nylon or rubber material.

7. The polyolefin insulated polyurethane elastomer sheathed flexible photovoltaic composite cable according to claim 1, wherein the outer filling layer and the inner filling layer are both filled with water-blocking yarn filling ropes.

8. The polyolefin insulated polyurethane elastomer sheathed flexible photovoltaic integrated cable according to claim 1, wherein the conductive core is formed by stranding not less than two copper wires or tinned copper wires.

9. The polyolefin insulated polyurethane elastomer sheathed flexible photovoltaic integrated cable of claim 1, wherein the tensile core is an alkali-free glass fiber cord.