CN210606729U

CN210606729U - Cable for power transmission

Info

Publication number: CN210606729U
Application number: CN201921615557.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Qufu Hongfei Cable Co ltd
Current assignee: Qufu Hongfei Cable Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-05-22
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a cable for power transmission belongs to power transmission technical field, a cable for power transmission, including the cable body, cable body interpolation is equipped with a plurality of wires, the embedded support bar that is equipped with cable body inner wall size assorted of cable body, and every wire is located and sets up between the inner wall of support bar and cable body, the packing has the filler between the inner wall of support bar and cable body all and the wire, and it can realize utilizing and set up the support bar in the cable body, and then has played the supporting role to the outer wall of cable body, avoids the cable body to receive outside extrusion to cause the cable body to warp, and then causes the condition of inside wire wearing and tearing.

Description

Cable for power transmission

Technical Field

The utility model relates to an electric power transmission technical field, more specifically say, relate to a cable for electric power transmission.

Background

The cable is a wire core formed by twisting one or more wires, and the wire core is wrapped by a corresponding insulating layer and then is wrapped by a rubber layer.

In actual life, some cables are often laid underground for power transmission, but because the inside of the existing cable is not provided with a supporting structure, the cable body is often deformed when being extruded from the outside, and then the internal lead is abraded.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a cable for power transmission, it can realize.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A cable for power transmission comprises a cable body, wherein a plurality of wires are inserted in the cable body, support bars matched with the inner wall of the cable body in size are embedded in the cable body, each wire is arranged between the support bar and the inner wall of the cable body, fillers are filled between the inner walls of the support bars and the cable body and the wires, the support bars are arranged to support the cable body, and the cable body is prevented from being deformed due to external extrusion, so that the inner wires are prevented from being abraded;

the wire consists of a heat insulation layer, an insulation layer and a wire core which are sequentially arranged from outside to inside, the heat insulation layer has the fireproof and heat-resistant effects, and the insulation layer has the electric insulation effect;

the cable comprises a cable body and is characterized in that a cable outer layer, a cable middle layer and a cable inner layer which are sequentially connected from outside to inside are arranged on the outer side of the cable body, and the arrangement of a plurality of layers of cables plays a role in dustproof and waterproof protection on wires in the cable body;

the outer side cover of cable body is equipped with the pipe box, and the pipe box includes the pipe box skin, be provided with the pipe box support between the lateral wall of pipe box skin and cable body, and the pipe box skin all with the pipe box support between pack have the pipe box to fill, the pipe box supports the effect of further support of outer wall play of pipe box, avoids outside extrusion to cause the outer wall deformation of pipe box.

Furthermore, the support bar is made by the rock wool material, and the thickness of support bar is 1mm-2mm, and the rock wool material has good heat-proof quality, can effectively completely cut off outside heat and get into the wire, promotes whole heat resistance.

Furthermore, the heat insulating layer is made of rock wool materials, the thickness of the heat insulating layer is 0.5mm-1mm, and the rock wool materials have good heat insulating property, so that external heat can be effectively isolated from entering the wire, and the overall heat resistance is improved.

Furthermore, the insulating layer is made of mica tape materials, the thickness of the insulating layer is 0.5mm-1mm, the mica tape materials have a good fireproof insulating effect, and the weather resistance and the insulativity of the lead can be effectively improved.

Furthermore, the outer layer and the inner layer of the cable are made of rubber materials, the thickness of the outer layer and the inner layer of the cable is 1-1.5 mm, the middle layer of the cable is made of steel plates, the thickness of the middle layer of the cable is 1-1.5 mm, the rubber materials have good elasticity, insulativity and air tightness, corrosion of water and dust in the external environment to the wires can be effectively avoided, the steel plates play a role in protecting the inner layer of the cable, and the inner layer of the cable is prevented from being deformed under pressure.

Further, the filler is made by PP rope material, the pipe box is filled and is made by aerogel felt material, and setting up of PP rope material makes the relative rounding of finished cable external diameter in order to do benefit to band, crowded sheath, and aerogel felt material has good heat-proof quality, can block the heat propagation between the outside of wire and cable body and the wire, promotes whole heat resistance.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme utilization sets up the support bar in this body of cable, and then has played the supporting role to the outer wall of cable body, avoids the cable body to receive outside extrusion to cause the cable body to warp, and then causes the condition of inside wire wearing and tearing.

(2) Rock wool material has good heat-proof quality, can effectively completely cut off outside heat and get into the wire, promotes whole heat resistance.

(3) The mica tape material has a good fireproof insulation effect, and can effectively improve the weather resistance and the insulation property of the lead.

(4) The rubber material has good elasticity, insulativity and air tightness, can effectively avoid water and dust in the external environment from corroding the wires, and the steel plate plays a role in protecting the inner layer of the cable and avoids the inner layer of the cable from deforming under pressure.

(5) The setting up of PP rope material makes the relative rounding of finished cable external diameter in order to do benefit to band, crowded sheath, and aerogel felt material has good heat-proof quality, can block the heat propagation between the outside of wire and cable body and the wire, promotes whole heat resistance.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2.

The reference numbers in the figures illustrate:

the cable comprises a cable body 1, a lead 2, a support strip 3, a filler 4, a cable outer layer 5, a cable middle layer 6, a cable inner layer 7, a pipe sleeve 8, a pipe sleeve 801 outer layer, a pipe sleeve support 802, a pipe sleeve 803 filler, a heat insulation layer 201, an insulation layer 202 and a wire core 203.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a cable for power transmission includes a cable body 1, a cable outer layer 5, a cable middle layer 6 and a cable inner layer 7 connected in sequence from outside to inside are disposed on an outer side of the cable body 1, the cable outer layer 5 and the cable inner layer 7 are both made of rubber material, a thickness of the cable outer layer 5 and the cable inner layer 7 is 1mm-1.5mm, the cable middle layer 6 is made of steel plate, a thickness of the cable middle layer 6 is 1mm-1.5mm, the rubber material has good elasticity, insulation and air tightness, erosion of water and dust in an external environment to the wires 2 can be effectively avoided, the multi-layer cable has a dustproof and waterproof protection function to the wires 2 in the cable body 1, a pipe sleeve 8 is sleeved on an outer side of the cable body 1, the pipe sleeve 8 includes a pipe sleeve outer layer 801, a pipe sleeve support 802 is disposed between the pipe sleeve outer layer 801 and a side wall of the cable body 1, and pipe sleeve filling 803 is filled between the pipe sleeve outer layer 801 and the side wall of the cable body 1 and the pipe sleeve support 802, the pipe sleeve support 802 further supports the outer wall of the pipe sleeve 8, and the deformation of the outer wall of the pipe sleeve 8 caused by external extrusion is avoided;

referring to fig. 3, a plurality of wires 2 are inserted into a cable body 1, the wires 2 are composed of a heat insulation layer 201, an insulation layer 202 and wire cores 203 which are sequentially arranged from outside to inside, the heat insulation layer 201 is arranged to achieve the effects of fire prevention and heat resistance, the heat insulation layer 201 is made of rock wool material, the thickness of the heat insulation layer 201 is 0.5mm-1mm, the rock wool material has good heat insulation performance and can effectively isolate external heat from entering the wires 2 to improve the overall heat resistance, the insulation layer 202 is arranged to achieve the effect of electrical insulation, the insulation layer 202 is made of mica tape material, the thickness of the insulation layer 202 is 0.5mm-1mm, the mica tape material has good fire-resistant insulation effect and can effectively improve the weather resistance and insulation performance of the embedded wires 2, the cable body 1 is provided with a support bar 3 matched with the size of the inner wall of the cable body 1, the support bar 3, the thickness of the support bar 3 is 1mm-2mm, the rock wool material has good heat insulation performance, external heat can be effectively isolated from entering the wires 2, the overall heat resistance is improved, each wire 2 is arranged between the support bar 3 and the inner wall of the cable body 1, fillers 4 are filled between the inner walls of the support bar 3 and the cable body 1 and the wires 2, the fillers 4 are made of PP rope materials, the pipe sleeve fillers 803 are made of aerogel felt materials, the PP rope materials enable the outer diameter of the finished cable to be relatively round so as to be beneficial to wrapping and sheath squeezing, the aerogel felt materials have good heat insulation performance, heat transmission between the wires 2 and the outer side of the cable body 1 and between the wires 2 can be blocked, the overall heat resistance is improved, the support bar 3 plays a supporting role in supporting the cable body 1, and the cable body 1 is prevented from being deformed due to external extrusion, thereby causing a situation in which the inner lead 2 is worn.

In the utility model, when an operator lays a cable underground, the support bars 3 arranged in the cable body 1 support the outer wall of the cable body 1, so as to avoid the deformation of the cable body 1 caused by external extrusion of the cable body 1 and further the abrasion of the internal wires 2, the pipe sleeve support 802 outside the cable body 1 further supports the outer wall of the pipe sleeve 8, so as to avoid the deformation of the outer wall of the pipe sleeve 8 caused by external extrusion, the rubber material on the cable surface layer has good elasticity, insulativity and airtightness, so as to effectively avoid the erosion of water and dust in the external environment to the wires 2, the steel plate in the cable interlayer protects the cable inner layer 7, and the compression deformation of the cable inner layer 7 is avoided, so that the support bars 3 arranged in the cable body 1 can be utilized, and further the outer wall of the cable body 1 is supported, avoid cable body 1 to receive outside extrusion to cause cable body 1 to warp, and then cause the condition of inside wire 2 wearing and tearing.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a cable for power transmission, includes cable body (1), a plurality of wires (2) are equipped with in the interpolation of cable body (1), its characterized in that: supporting strips (3) matched with the inner wall of the cable body (1) in size are embedded in the cable body (1), each conducting wire (2) is arranged between each supporting strip (3) and the inner wall of the cable body (1), and fillers (4) are filled between each supporting strip (3) and the corresponding conducting wire (2) and between each inner wall of the cable body (1) and the corresponding conducting wire (2);

the lead (2) is composed of a heat insulation layer (201), an insulation layer (202) and a wire core (203) which are arranged from outside to inside in sequence;

the outer side of the cable body (1) is provided with a cable outer layer (5), a cable middle layer (6) and a cable inner layer (7) which are sequentially connected from outside to inside;

the cable comprises a cable body (1) and is characterized in that a pipe sleeve (8) is sleeved on the outer side of the cable body (1), the pipe sleeve (8) comprises a pipe sleeve outer layer (801), a pipe sleeve support (802) is arranged between the pipe sleeve outer layer (801) and the side wall of the cable body (1), and a pipe sleeve filler (803) is filled between the pipe sleeve outer layer (801) and the side wall of the cable body (1) and the pipe sleeve support (802).

2. The power transmission cable according to claim 1, wherein: the support bar (3) is made of rock wool materials, and the thickness of the support bar (3) is 1mm-2 mm.

3. The power transmission cable according to claim 1, wherein: the heat insulation layer (201) is made of rock wool materials, and the thickness of the heat insulation layer (201) is 0.5mm-1 mm.

4. The power transmission cable according to claim 1, wherein: the insulating layer (202) is made of mica tape materials, and the thickness of the insulating layer (202) is 0.5mm-1 mm.

5. The power transmission cable according to claim 1, wherein: the cable outer layer (5) and the cable inner layer (7) are both made of rubber materials, the thickness of the cable outer layer (5) and the thickness of the cable inner layer (7) are 1mm-1.5mm, the cable middle layer (6) is made of steel plates, and the thickness of the cable middle layer (6) is 1mm-1.5 mm.

6. The power transmission cable according to claim 1, wherein: the filling (4) is made of a PP rope material and the pipe sleeve filling (803) is made of an aerogel felt material.