CN218181923U

CN218181923U - Isolated form silicon rubber fire-resistant power cable

Info

Publication number: CN218181923U
Application number: CN202222229964.6U
Authority: CN
Inventors: 高桂祥; 王飞
Original assignee: Anhui Tianmin Electrical Technology Co ltd
Current assignee: Anhui Tianmin Electrical Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-30
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a fire-resistant power cable of isolated form silicon rubber in power cable technical field, include: isolation shaft subassembly, isolation shaft subassembly is including separating the axle and evenly seting up keep apart the axle terminal surface and run through the arc mounting groove of the isolation shaft other end, it is in including heat insulation layer, with the axle center setting the inboard first buffer layer of mounting groove and set up with the axle center the mounting groove inboard and with the first fire-retardant layer that first buffer layer is connected still includes the sinle silk subassembly, the sinle silk subassembly includes to be in with the axle center setting the inboard sinle silk of mounting groove, set up with the axle center the mounting groove inboard and cladding are in interior sheath on the sinle silk circumference lateral wall, the utility model discloses a separate the axle and keep apart and make up into the cable that can connect different voltage loads to the cable of different loads, can effectually connect different voltage loads, reduce the transportation degree of difficulty.

Description

Isolated silicon rubber fire-resistant power cable

Technical Field

The utility model relates to a power cable technical field specifically is a fire-resistant power cable of isolated form silicon rubber.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.

The power cable of a current model corresponds a load interval, when to transformer and other electrical installations, need use the cable of multiple different models to the installation of reply different load intervals, need carry the cable of a large amount of different models to install during the installation, very big improvement the transportation degree of difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-resistant power cable of isolated form silicon rubber to solve and provide in the above-mentioned background art when to transformer and other electrical installations, need use the cable of multiple different models, so that the installation between different load intervals of reply, the cable that need carry a large amount of different models during the installation is installed, very big improvement the problem of the transportation degree of difficulty.

In order to achieve the above purpose, the utility model provides a following technical scheme: an isolated silicone rubber fire resistant power cable comprising:

isolation axle subassembly, isolation axle subassembly is including separating the axle and evenly seting up keep apart the axial end face and run through the arc mounting groove of the isolation axle other end, it is in including heat insulation layer, with the axle center setting the inboard first buffer layer of mounting groove and with the axle center setting the mounting groove inboard and with the first fire-retardant layer that first buffer layer is connected.

Preferably, still include the sinle silk subassembly, the sinle silk subassembly includes to be in with the axle center setting the inboard sinle silk of mounting groove, set up with the axle center the mounting groove is inboard and the cladding at interior sheath on the sinle silk circumference lateral wall, set up with the axle center the mounting groove is inboard and the cladding is in first shielding layer on the interior sheath circumference lateral wall, set up with the axle center the mounting groove is inboard and the cladding is in first armor and with the axle center on the first shielding layer circumference lateral wall the mounting groove is inboard and the cladding be in on the first armor circumference lateral wall and with the first outer jacket that first flame retardant coating is connected.

Preferably, the heat-insulating layer is arranged on the first outer protection layer, and the heat-insulating layer is arranged on the first outer protection layer.

Preferably, the heat-conducting layer is coaxially arranged on the circumferential outer side wall of the heat shrinkable tube.

Preferably, the heat conduction layer further comprises a reinforcing component, and the reinforcing component comprises a reinforcing layer coaxially arranged on the outer side of the circumference of the heat conduction layer and a tensile-resistant layer spirally wound on the outer side wall of the circumference of the reinforcing layer.

Preferably, the strengthening layer comprises a second shock-absorbing layer, a second shielding layer coaxially arranged on the circumferential outer side wall of the second shock-absorbing layer and a protective layer coaxially arranged on the circumferential outer side wall of the second shielding layer.

Preferably, the flame-retardant coating further comprises a second flame-retardant layer coaxially arranged on the circumferential outer side wall of the tensile layer.

Preferably, the flame retardant further comprises a second outer protective layer coaxially disposed on the circumferential outer side wall of the second flame retardant layer.

Compared with the prior art, the beneficial effects of the utility model are that: according to the isolated silicon rubber fire-resistant power cable, cables of different loads are isolated through the isolation shaft and combined into a cable capable of being connected with different voltage loads, the cables of different voltage loads can be effectively connected, and the transportation difficulty is reduced.

Drawings

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

FIG. 2 is a schematic structural view of the isolation shaft assembly of the present invention;

FIG. 3 is a schematic view of the isolating shaft structure of the present invention;

fig. 4 is a schematic structural view of the core assembly of the present invention;

FIG. 5 is a schematic view of the structure of the reinforcing member of the present invention;

fig. 6 is a schematic view of the structure of the reinforced layer of the present invention.

In the figure: 100 isolation shaft components, 110 isolation shafts, 111 heat insulation layers, 112 first shock absorption layers, 113 first flame retardant layers, 120 arc-shaped installation grooves, 200 wire core components, 210 wire cores, 220 inner protection layers, 230 first shielding layers, 240 first armor layers, 250 first outer protection layers, 300 heat shrinkage pipes, 400 heat conduction layers, 500 strengthening components, 510 strengthening layers, 511 second shock absorption layers, 512 second shielding layers, 513 protection layers, 520 tensile layers, 600 second flame retardant layers and 700 second outer protection layers.

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 efforts all belong to the protection scope of the present invention.

The utility model provides an isolated form silicon rubber fire-resistant power cable keeps apart and makes up into the cable that can connect different voltage loads through separating the cable of axle to different loads, can effectually connect different voltage loads, reduces the transportation degree of difficulty, please refer to and draw together figure 1, include: the insulation shaft assembly 100, the wire core assembly 200, the heat shrink tube 300, the heat conducting layer 400, the reinforcing assembly 500, the second flame retardant layer 600 and the second outer protective layer 700;

referring to fig. 1-3, the isolation shaft assembly 100 includes an isolation shaft 110 and an arc-shaped installation groove 120 uniformly formed on an end surface of the isolation shaft 110 and penetrating through the other end of the isolation shaft 110, the isolation shaft 110 includes a heat insulation layer 111, a first shock absorption layer 112 coaxially disposed on an inner side of the installation groove 120, and a first flame retardant layer 113 coaxially disposed on an inner side of the installation groove 120 and connected to the first shock absorption layer 112, cables of different loads are correspondingly installed on an inner side of the arc-shaped installation groove 120 one by one, heat emitted by the cables is blocked by the heat insulation layer 111, mutual influence of temperature among the cables is avoided, damage of a low-load cable caused by temperature emitted by a high-load cable can be effectively avoided, the first shock absorption layer 112 is made of a damping material, shock absorption can be effectively performed, displacement of the cables in an inner cavity of the arc-shaped installation groove 120 caused by vibration is avoided, and the first flame retardant layer 113 can retard flame when a certain cable is ignited, so as to prevent damage of the connected cables;

referring to fig. 1 to 4, the core assembly 200 includes a core 210 coaxially disposed inside the mounting groove 120, an inner sheath 220 coaxially disposed inside the mounting groove 120 and covering the outer circumferential wall of the core 210, a first shielding layer 230 coaxially disposed inside the mounting groove 120 and covering the outer circumferential wall of the inner sheath 220, a first armor layer 240 coaxially disposed inside the mounting groove 120 and covering the outer circumferential wall of the first shielding layer 230, and a first outer sheath 250 coaxially disposed inside the mounting groove 120 and covering the outer circumferential wall of the first armor layer 240 and connected to the first flame retardant layer 113, and the first shielding layer 230 shields electromagnetic signals, so that the electromagnetic signals generated by adjacent cables can be effectively prevented from affecting the adjacent cables, and the electromagnetic signals can also be prevented from affecting the adjacent cables;

referring to fig. 1 to 4 again, the cable core assembly further includes a heat shrink tube 300 covering the outer circumferential walls of the heat insulating layer 111 and the first outer sheath 250, the heat shrink tube 300 is sleeved on the outer circumferential sides of the heat insulating layer 111 and the first outer sheath 250, the heat shrink tube 300 is heated, so that the heat shrink tube 300 shrinks on the outer circumferential sides of the heat insulating layer 111 and the first outer sheath 250, and the cable core assembly 200 is fixedly mounted in the inner cavity of the arc-shaped mounting groove 120 through the heat shrink tube 300;

referring to fig. 1 again, the heat-conducting layer 400 is coaxially disposed on the outer side wall of the circumference of the heat-shrinkable tube 300, and the heat-conducting layer 400 is a heat-conducting silicone sheet, which can conduct heat generated by the cable, so as to prevent the cable from being damaged due to an excessive temperature;

referring to fig. 1 and 5-6, the reinforcing member 500 includes a reinforcing layer 510 coaxially disposed on the outer side of the circumference of the heat conducting layer 400 and a tensile layer 520 spirally wound on the outer side wall of the circumference of the reinforcing layer 510, the reinforcing layer 510 includes a second damping layer 511, a second shielding layer 512 coaxially disposed on the outer side wall of the circumference of the second damping layer 511, and a protective layer 513 coaxially disposed on the outer side wall of the circumference of the second shielding layer 512, the second damping layer 511 is a damping material, and is used for damping by the second damping layer 511 to prevent the cable from being damaged by vibration generated during transportation, and the external electromagnetic signal is shielded by the second shielding layer 512, so that the cable is effectively prevented from being affected by the external electromagnetic signal, and meanwhile, the electromagnetic signal generated by the cable is prevented from affecting the external environment, the tensile layer 520 is in a spiral structure, and can be retracted by the tensile layer 520 after the cable is stretched, so as to improve the tensile capability of the cable, and the spiral structure can form an arc-shaped protrusion at the bending position of the cable, thereby increasing the bending angle and improving the tensile resistance of the cable;

referring again to fig. 1 and 5, a second flame retardant layer 600 coaxially disposed on the circumferentially outer sidewall of the tensile layer 520 is also included;

referring again to fig. 1, a second outer protective layer 700 coaxially disposed on the circumferential outer sidewall of the second flame retardant layer 600 is further included.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An isolated silicon rubber fire-resistant power cable is characterized in that: the method comprises the following steps:

isolation shaft subassembly (100), isolation shaft subassembly (100) is including separating axle (110) and evenly offering separate axle (110) terminal surface and run through arc mounting groove (120) of separating the axle (110) other end, it is in to separate axle (110) including heat insulating layer (111), coaxial axle center setting mounting groove (120) inboard first buffer layer (112) and coaxial axle center setting are in mounting groove (120) inboard and with first fire-retardant layer (113) that first buffer layer (112) are connected.

2. The isolated silicone rubber fire-resistant power cable of claim 1, wherein: still include sinle silk subassembly (200), sinle silk subassembly (200) are including setting up with the axle center sinle silk (210), set up with the axle center of mounting groove (120) inboard and cladding are in interior sheath (220), set up with the axle center on sinle silk (210) circumference lateral wall mounting groove (120) inboard and cladding are in first shielding layer (230), set up with the axle center on interior sheath (220) circumference lateral wall mounting groove (120) inboard and cladding are in first armor (240) and set up with the axle center on first shielding layer (230) circumference lateral wall mounting groove (120) inboard and cladding are in on first armor (240) circumference lateral wall and with first outer jacket (250) that first fire-retardant layer (113) is connected.

3. The isolated silicone rubber fire-resistant power cable of claim 2, wherein: the heat-insulating layer is characterized by further comprising a heat-shrinkable tube (300) coated on the circumferential outer side walls of the heat-insulating layer (111) and the first outer protective layer (250).

4. The isolated silicone rubber fire-resistant power cable of claim 3, wherein: the heat-conducting layer (400) is coaxially arranged on the circumferential outer side wall of the heat-shrinkable tube (300).

5. The isolated silicone rubber fire-resistant power cable of claim 4, wherein: the heat conduction layer (400) is characterized by further comprising a reinforcing component (500), wherein the reinforcing component (500) comprises a reinforcing layer (510) coaxially arranged on the outer side of the circumference of the heat conduction layer (400) and a tensile layer (520) spirally wound on the outer side wall of the circumference of the reinforcing layer (510).

6. An isolated form of silicone rubber fire resistant power cable according to claim 5, wherein: the strengthening layer (510) comprises a second shock absorption layer (511), a second shielding layer (512) arranged on the outer side wall of the circumference of the second shock absorption layer (511) coaxially and a protection layer (513) arranged on the outer side wall of the circumference of the second shielding layer (512) coaxially.

7. The isolated silicone rubber fire-resistant power cable of claim 6, wherein: also included is a second flame retardant layer (600) disposed coaxially on a circumferentially outer sidewall of the tensile layer (520).

8. The isolated silicone rubber fire-resistant power cable of claim 7, wherein: further comprising a second outer sheath layer (700) coaxially disposed on a circumferential outer sidewall of the second flame retardant layer (600).