CN212032750U - Wear-resistant extruded insulation low-voltage power cable - Google Patents

Abstract

The utility model belongs to the technical field of the power cable technique and specifically relates to a stand wear and tear crowded package insulation low voltage power cable, including central spliced pole, fixed angle such as central spliced pole is equipped with a plurality of supporting baffles, and is a plurality of fixed being equipped with around the package bed group of supporting baffle, it is a plurality of fixed being equipped with a plurality of filling layers such as supporting baffle, all fixed being equipped with the wire main part around the package bed group, it is fixed being equipped with a plurality of cushion rubber posts, and is a plurality of around the package bed group fixed be equipped with the fire prevention insulating layer of cushion rubber post, the fixed enhancement layer that is equipped with of fire prevention insulating layer, the fixed shielding layer of weaving that is equipped with of enhancement layer, weave the fixed outer protective sheath that is equipped with of shielding. The utility model discloses on ordinary power cable's basis, set up multiple material, improved wearability and life, have wide market prospect, be fit for promoting.

Description

Wear-resistant extruded insulation low-voltage power cable

Technical Field

The utility model relates to a power cable technical field especially relates to an insulating low voltage power cable of stand wear and tear crowded package.

Background

The extruded insulated cable is also called a rubber and plastic cable, and takes a high molecular polymer as an insulated power cable. The extruded insulated power cable is divided into a copper conductor and an aluminum conductor from the conductor. The insulating materials are classified into three types, one is polyvinyl chloride insulation, the other is cross-linked polyethylene insulation, and the other is ethylene propylene rubber insulation. The low-voltage power cable has wide application range, meets various environment and use requirements, and has higher performance requirements, such as good electrical performance, bending property, waterproof performance, corrosion resistance, weather resistance and the like. However, the common extrusion-coated insulation low-voltage power cable is poor in wear resistance, and a lead is easily damaged when the lead is extruded.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the wearing resistance is poor and easy to be damaged in the prior art, and the insulating low voltage power cable of a stand wear and tear crowded package that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the wear-resistant extruded insulation low-voltage power cable comprises a center connecting post, wherein a plurality of supporting partition plates are fixedly arranged on the surface of the center connecting post at equal angles, a wrapping layer group is fixedly arranged on one side, away from the center connecting post, of each supporting partition plate, a plurality of filling layers are fixedly arranged on the supporting partition plates at equal angles, a lead main body is fixedly arranged on the wrapping layer group, each lead main body comprises a conductor, an inner shielding layer is fixedly arranged on the surface of the conductor, an insulating layer is fixedly arranged on the surface of the inner shielding layer, the insulating layer is fixedly connected with the filling layers, a plurality of buffer rubber columns are fixedly arranged on the surface of the wrapping layer group at equal intervals, a fireproof insulating layer is fixedly arranged at one end, away from the wrapping layer group, of each buffer rubber column, a plurality of buffer strips are fixedly arranged on the inner wall of the fireproof insulating layer and between the wrapping layer groups at equal angles, and reinforcing, the fixed surface of enhancement layer is equipped with the braided shield layer, the fixed surface of braided shield layer is equipped with outer protective sheath, the fixed surface of outer protective sheath is equipped with a plurality of wear-resisting archs.

Preferably, the lapping layer group comprises two layers of lapping layers which are arranged in an overlapping mode.

Preferably, the materials filled in the filling layer are alkali-free glass fiber materials.

Preferably, the fireproof insulating layer is made of a glass fiber material.

Preferably, a plurality of reinforcing wires are fixedly arranged on the reinforcing layer at equal angles, and the reinforcing wires are galvanized steel wires with the diameter of to mm.

Preferably, the braided shielding layer is formed by braiding tinned copper wires and aramid yarns.

Preferably, the wear-resistant protrusions are made of a butadiene rubber material.

The utility model provides a stand wear and tear insulating low voltage power cable of crowded package, beneficial effect lies in: the utility model can effectively reduce the damage of the lead body caused by extrusion through the mutual matching among the central connecting post, the supporting baffle plate and the wrapping layer group, and further form protection to the lead body through the mutual matching between the buffering strip and the buffering rubber column, thereby effectively prolonging the service life of the utility model, improving the insulativity, stability and strength of the utility model through filling the non-alkali glass fiber material in the filling layer, improving the insulativity and the flame retardance of the utility model through arranging the fireproof insulating layer made of the glass fiber material, improving the strength and the tensile resistance of the utility model through arranging the reinforcing layer and the reinforcing wire, reducing the damage caused by friction when the utility model is dragged through arranging the wear-resisting bulge made of the butadiene rubber material, through setting up the braided shield that forms of weaving by tinned copper wire and aramid yarn, can be right at effectual reduction electromagnetic field the utility model discloses also can prevent the phenomenon that the radiation of production from appearing the diffusion in the time of the influence.

Drawings

Fig. 1 is a partial front view of a wear-resistant extruded insulation low-voltage power cable according to the present invention;

fig. 2 is a cross-sectional view of the utility model provides a stand wear and tear insulating low voltage power cable of crowding.

In the figure: center spliced pole 1, support baffle 2, around package group 3, filling layer 4, wire main part 5, buffering strip 6, buffering rubber column 7, fire prevention insulating layer 8, enhancement layer 9, reinforcing wire 10, woven shield 11, outer protective sheath 12, wear-resisting arch 13, conductor 501, inner shield 502, insulating layer 503.

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.

Referring to fig. 1-2, a wear-resistant extruded insulation low-voltage power cable comprises a central connection column 1, a plurality of supporting partition plates 2 are fixedly arranged on the surface of the central connection column 1 at equal angles, a wrapping layer group 3 is fixedly arranged on one side, away from the central connection column 1, of the plurality of supporting partition plates 2, a plurality of filling layers 4 are fixedly arranged on the plurality of supporting partition plates 2 at equal angles, a lead main body 5 is fixedly arranged on the wrapping layer group 3, the lead main body 5 comprises a conductor 501, an inner shielding layer 502 is fixedly arranged on the surface of the conductor 501, an insulating layer 503 is fixedly arranged on the surface of the inner shielding layer 502, the insulating layer 503 is fixedly connected with the filling layers 4, a plurality of buffer rubber columns 7 are fixedly arranged on the surface of the wrapping layer group 3 at equal intervals, a fireproof insulating layer 8 is fixedly arranged at one end, away from the wrapping layer group 3, of the plurality of buffer rubber columns 7, a plurality of buffer, the fixed surface of fire-proof insulation layer 8 is equipped with enhancement layer 9, and the fixed surface of enhancement layer 9 is equipped with braided shield 11, and the fixed surface of braided shield 11 is equipped with outer protective sheath 12, and the fixed surface of outer protective sheath 12 is equipped with a plurality of wear-resisting archs 13.

Referring to fig. 1-2, a wear-resistant extruded insulation low-voltage power cable, through the mutual cooperation between the central connection post 1, the supporting partition board 2 and the wrapping layer group 3, the utility model can effectively reduce the damage caused to the main body 5 by extrusion, and simultaneously, the mutual cooperation between the buffer strip 6 and the buffer rubber post 7, further form protection to the main body 5, the wrapping layer group 3 comprises two overlapping wrapping layers, the materials filled in the filling layer 4 are alkali-free glass fiber materials, thus improving the insulation, stability and strength of the utility model, the fireproof insulation layer 8 is made of glass fiber materials, thus the insulation and flame-retardant effects of the utility model are better, the reinforcing wire 10 is fixed at equal angles on the reinforcing layer 9, the reinforcing wire 10 is a galvanized steel wire with the diameter of 1 mm to 3 mm, and the strength and tensile resistance of the utility model are improved, weave shielding layer 11 and weave by the tinned copper wire with the aramid yarn and form, can be right at effectual reduction electromagnetic field the utility model discloses also can prevent the phenomenon that the radiation that produces appears the diffusion in the influence, wear-resisting arch 13 is made by the butadiene rubber material, can reduce the utility model discloses because of the damage that the friction caused when pulling.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a stand wear and tear insulating low voltage power cable of crowded package, includes central spliced pole (1), its characterized in that, the fixed angle such as surface of central spliced pole (1) is equipped with a plurality of backup pad (2), and is a plurality of one side that central spliced pole (1) was kept away from in backup pad (2) is fixed to be equipped with around package group (3), and is a plurality of fixed angle such as backup pad (2) is equipped with a plurality of filling layers (4), all fixed wire main part (5) that is equipped with around package group (3), wire main part (5) include conductor (501), the fixed surface of conductor (501) is equipped with inner shield layer (502), the fixed surface of inner shield layer (502) is equipped with insulating layer (503), insulating layer (503) and filling layer (4) fixed connection, the fixed surface of package group (3) is equipped with a plurality of cushion rubber posts (7) around the surface equidistance, it is a plurality of buffer rubber post (7) are kept away from fixed fire insulating layer (8) that is equipped with around the one end of packet of layer (3), the inner wall of fire insulating layer (8) with around the packet of layer between (3) the fixed a plurality of cushions (6) that are equipped with of angle, the fixed surface of fire insulating layer (8) is equipped with enhancement layer (9), the fixed surface of enhancement layer (9) is equipped with weaves shielding layer (11), the fixed surface who weaves shielding layer (11) is equipped with outer protective sheath (12), the fixed surface of outer protective sheath (12) is equipped with a plurality of wear-resisting archs (13).

2. A wear-resistant extruded insulated low-voltage power cable according to claim 1, characterized in that the set of wrapping layers (3) comprises two overlapping wrapping layers.

3. A wear-resistant extruded insulated low-voltage power cable according to claim 1, characterized in that the filling material in the filling layer (4) is alkali-free glass fiber material.

4. A wear-resistant extruded insulated low-voltage power cable according to claim 1, characterized in that the fire-insulating layer (8) is made of glass fibre material.

5. A wear-resistant extruded insulating low-voltage power cable according to claim 1, wherein a plurality of reinforcing wires (10) are fixedly arranged on the reinforcing layer (9) at equal angles, and the reinforcing wires (10) are galvanized steel wires with a diameter of 1-3 mm.

6. A wear-resistant, extruded and insulated low-voltage power cable according to claim 1, characterized in that the braided shield (11) is braided from tinned copper wires and aramid yarns.

7. A wear-resistant extruded insulated low-voltage power cable according to claim 1, characterized in that the wear-resistant protrusions (13) are made of a butadiene rubber material.

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