CN210403262U

CN210403262U - Flame-retardant and bending-resistant control cable

Info

Publication number: CN210403262U
Application number: CN201921533940.1U
Authority: CN
Inventors: 刘永伟; 贺云芳; 马建平; 张镇球
Original assignee: Wuxi New Sunshine Cable Co ltd
Current assignee: Wuxi New Sunshine Cable Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-24
Anticipated expiration: 2029-09-16

Abstract

The utility model provides a fire-retardant resistant crooked control cable belongs to cable technical field, including oversheath, inner liner and cable core, inner liner fixed connection is in the inboard of oversheath, and cable core evenly distributed is in the inboard of inner liner, and the inside fixedly connected with conductor of inner liner, and the conductor is located between the cable core, and the inside evenly distributed of inner liner has the inner sheath, and one side of inner sheath has seted up respectively and has filled the chamber, and the one end that fills the chamber is equipped with the armor steel band respectively, and one side of armor steel band all with fill chamber and inner sheath and be connected. This kind of fire-retardant resistant crooked control cable stable in structure can promote control cable's resistant bending property greatly to make the cable can not receive high temperature and flame to damage, make this cable can protect hose, cable and pipeline under adverse circumstances, outside can effectually avoiding personnel to suffer the burn and scald injury of high heating pipeline simultaneously, also can prevent around cable and equipment to be damaged.

Description

Flame-retardant and bending-resistant control cable

Technical Field

The utility model relates to the technical field of cables, specifically a fire-retardant resistant crooked control cable.

Background

The control cable is a polyvinyl chloride insulation and polyvinyl chloride sheath control cable suitable for industrial and mining enterprises, energy traffic departments, occasions for controlling and protecting lines with the alternating current rated voltage of below 450/750 volts, and the like.

However, the existing control cable is widely used in various control devices, but the existing control cable has poor flame retardant effect in actual use, and when the control cable is laid in a tunnel or a cable trench, the control cable is used for transmitting and distributing high-power electric energy in a main line of a power system, which can generate a high heat rate, while the existing control cable is easy to burn due to poor flame retardant effect, and meanwhile, the existing control cable has poor bending resistance in actual installation.

Accordingly, there is a need for upgrades and retrofits to existing control cables to overcome existing problems and deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the prior control cable has poor flame retardant effect and when laid in a tunnel or a cable trench, control cables are used in the power system main lines to transmit and distribute high power electrical energy, which results in high heat rates, the existing control cable is easy to burn due to poor flame retardant effect, and the problem of poor bending resistance of the existing control cable during actual installation is solved, the flame retardant and bending resistant control cable is provided, by arranging the fixed rubber block, the cable-forming tightening belt, the filling cavity, the aluminum-plastic belt and the outer sheath, the device has stable structure, can greatly improve the bending resistance of the control cable, and the cable can not be damaged by high temperature and flame, so that the cable can protect the hose, the cable and the pipeline in severe environment, meanwhile, the device can effectively prevent personnel from being burnt and damaged by high-heat pipelines, and can also prevent surrounding cables and equipment from being damaged.

In order to achieve the above object, the utility model provides a following technical scheme, a fire-retardant resistant crooked control cable, including oversheath, inner liner and cable core, inner liner fixed connection is in the inboard of oversheath, and cable core evenly distributed is in the inboard of inner liner, and the inside fixedly connected with conductor of inner liner, and the conductor is located between the cable core.

Preferably, the inside evenly distributed of inner liner has the inner sheath, and one side of inner sheath has seted up respectively and has filled the stopper chamber.

Preferably, the one end in the chamber that fills is equipped with the armor steel band respectively, and one side of armor steel band all with fill stopper chamber and inner sheath and be connected.

Preferably, one side of filling the stopper chamber upper end all is equipped with fixed gluey piece, and the one end of fixed gluey piece all is equipped with the tight ribbon of stranding.

Preferably, the cable tie is a nylon cable tie.

Preferably, one end of the cable-forming tightening band is provided with an aluminum-plastic belt, one side of the aluminum-plastic belt is connected with the fixed rubber block, and the outer sheath is a thick iron oxide red silica gel outer sheath.

Has the advantages that:

(1) this kind of fire-retardant resistant crooked control cable is because the one end of fixed rubber block all is equipped with the tight ribbon of stranding, and because the tight ribbon of stranding is the tight ribbon of nylon stranding, and because nylon has higher elastic recovery rate, make the tight ribbon of stranding can stand and warp and not split for ten thousand times, under this condition, can promote control cable's resistant bending property greatly, and meanwhile, because the one end of the tight ribbon of stranding all is equipped with the plastic-aluminum area, and because one side in plastic-aluminum area all is connected with fixed rubber block, make control cable when by crooked, can form one through the plastic-aluminum area and pull back the power to the tight ribbon of stranding, make this cable can be relatively gentle when being crooked, can protect the control cable surface can not produce the fold crack because of the bending, further make crooked control cable can relax back straight, the use quality of this control cable has been strengthened.

(2) According to the flame-retardant bending-resistant control cable, the outer sheath is the thick iron oxide red silica gel outer sheath, so that the cable cannot be damaged by high temperature and flame, the cable can protect the hose, the cable and the pipeline in a severe environment, meanwhile, personnel can be effectively prevented from being burnt and scalded by high-heat pipelines, and peripheral cables and equipment can also be prevented from being damaged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the local structure of the inner liner of the present invention.

Fig. 3 is the structural schematic diagram of the cabling tightening belt of the utility model.

Fig. 4 is a schematic diagram of the aluminum-plastic tape structure of the present invention.

In FIGS. 1-4: 1-an outer sheath; 2-an inner liner layer; 201-an inner sheath; 202-a filling cavity; 203-armor steel tape; 204-a cable tie; 205-fixed rubber block; 206-aluminum plastic tape; 3-a cable core; 4-conductor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Example (b):

with reference to the figures 1-4 of the drawings,

the fire-retardant resistant crooked control cable that this embodiment provided, including oversheath 1, inner liner 2 and cable core 3, inner liner 2 fixed connection is in oversheath 1's inboard, and 3 evenly distributed of cable core are in inner liner 2's inboard, and the inside fixedly connected with conductor 4 of inner liner 2, and conductor 4 is located between the cable core 3.

Further, inner sheaths 201 are uniformly distributed in the inner liner layer 2, and one sides of the inner sheaths 201 are respectively provided with a filling cavity 202;

in this embodiment, inner sheath 201 may impart fixability to the packed cavity 202 and armor tape 203 to protect the effectiveness of the use of packed cavity 202 and armor tape 203.

Further, one end of the filling cavity 202 is respectively provided with an armored steel belt 203, and one side of the armored steel belt 203 is connected with the filling cavity 202 and the inner sheath 201;

in this embodiment, the armor tape 203 may provide support to the inflation lumen 202 to prevent the inflation lumen 202 from being damaged by the tension of the cable tie 204.

Further, one side of the upper end of the filling cavity 202 is provided with a fixed rubber block 205, and one end of the fixed rubber block 205 is provided with a cable-forming tightening belt 204;

in this embodiment, the securing gel block 205 may provide a fixed support point for the cabling clamp strap 204 within the cable to improve the stability of the cabling clamp strap 204 in use.

Further, the cabling tightening strap 204 is a nylon cabling tightening strap 204;

in this embodiment, because nylon has higher elastic recovery rate, make the tight ribbon of stranding 204 can stand ten thousand times of inflections and not fracture, under this condition, can promote the resistant bending property of control cable greatly.

Further, one end of each cabling tightening binding belt 204 is provided with an aluminum-plastic belt 206, one side of each aluminum-plastic belt 206 is connected with a fixing rubber block 205, and the outer sheath 1 is a thick iron oxide red silica gel outer sheath 1;

in this embodiment, make this cable can not receive high temperature and flame to damage, make it can protect hose, cable and pipeline under adverse circumstances, can effectually avoid personnel to suffer the burn and scald injury of high fever pipeline simultaneously outside, can also prevent around cable and equipment from being damaged.

The working principle is as follows:

when the flame-retardant and bending-resistant control cable provided by the embodiment is used, the connection tightness among all parts of the cable is firstly checked, and when the cable is installed in operation, because the nylon has higher elastic recovery rate, the cable-forming tightening tie 204 can be bent for ten thousand times without breaking, in this case, the bending resistance of the control cable can be greatly improved, and the aluminum-plastic tape 206 can make the control cable form a pull force to the cable-tying band 204 while the control cable is bent, so that the cable can be bent relatively gently, can protect the surface of the control cable from generating fold cracks due to bending, enhances the use quality of the control cable, meanwhile, the thick iron oxide red silica gel outer sheath 1 is used, so that the cable can not be damaged by high temperature and flame, and the cable can protect hoses, cables and pipelines in severe environment and can prevent surrounding cables and equipment from being damaged.

Claims

1. The utility model provides a fire-retardant resistant crooked control cable, includes oversheath (1), inner liner (2) and cable core (3), its characterized in that, inner liner (2) fixed connection is in the inboard of oversheath (1), and cable core (3) evenly distributed is in the inboard of inner liner (2), and the inside fixedly connected with conductor (4) of inner liner (2), and conductor (4) are located between cable core (3).

2. The flame-retardant and bending-resistant control cable according to claim 1 is characterized in that inner sheaths (201) are uniformly distributed in the inner part of the inner lining layer (2), and one sides of the inner sheaths (201) are respectively provided with a filling cavity (202).

3. The flame-retardant bend-resistant control cable according to claim 2, wherein one end of the filling cavity (202) is provided with a steel armoring tape (203), and one side of the steel armoring tape (203) is connected with the filling cavity (202) and the inner sheath (201).

4. The flame-retardant bend-resistant control cable according to claim 2, wherein one side of the upper end of the filling cavity (202) is provided with a fixing rubber block (205), and one end of the fixing rubber block (205) is provided with a cabling tie (204).

5. The flame retardant bend resistant control cable of claim 4 wherein the cabling tie (204) is a nylon cabling tie (204).

6. The flame-retardant bend-resistant control cable according to claim 4, characterized in that one end of the cable-forming tightening band (204) is provided with an aluminum-plastic band (206), one side of the aluminum-plastic band (206) is connected with the fixing rubber block (205), and the outer sheath (1) is a thick iron oxide red silica gel outer sheath (1).