CN218299431U - High temperature resistant mobile cable - Google Patents

Abstract

The utility model discloses a high temperature resistant travelling cable, include: fill strip, cable core, silicon rubber inner sheath, aramid fiber weaving layer, silicon rubber outer jacket, metallic braid, the cable core has many and forms the structure around setting up in the fill strip periphery, and the fill strip includes: strengthen core A, restrictive coating, the restrictive coating cover is located and is strengthened the core A outside, and the cable core includes: insulating layer, conductor, reinforcement core B, the conductor sets up in the structure in the reinforcement core B outside for the transposition, and the insulating layer cladding is in the overall structure outside that conductor and reinforcement core B formed, and the overall structure outside that cable core and packing strip formed is protected in the silicon rubber, and the outside of protecting the layer in the silicon rubber is located to aramid fiber weaving layer cover, and silicon rubber outer jacket cladding is in the outside of aramid fiber weaving layer, and the outside of silicon rubber outer jacket is located to the metal braiding layer cover. The central part of the filling strip is provided with the reinforced core A, and the central part of the cable core is provided with the reinforced core B, so that the tensile capacity of the filling strip and the cable core can be improved.

Description

High temperature resistant mobile cable

Technical Field

The utility model relates to the technical field of cables, in particular to high temperature resistant mobile cable.

Background

With the rapid development of economy in China, the demand of special industries on high-temperature cables has already presented a high-speed growth stage, the demand of the high-temperature cables is continuously increased every year, and the high-temperature cables as important components of the special cables have extremely strong vitality and are in short supply.

The common cable takes plastic and rubber as insulating sheaths, the materials are conventional engineering materials, have rich sources, can meet the requirements of large-scale production, and have relatively low cost, but for some special industries such as petrochemical industry, steel and iron, aerospace, shipbuilding, military industry, pharmacy, food, plastic machinery, boilers and other industries related to heat and high temperature, the common cable can not be used obviously, and the high-temperature-resistant cable is required to ensure the safe operation of electric power and signals.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application can adapt to the production environment of the iron and steel plant by providing the cable, and is used for improving the heat resistance and the mobility of the cable in the high-temperature environment of the iron and steel plant.

The embodiment of the application provides a high temperature resistant mobile cable, includes:

a filler strip, the filler strip comprising: the sheath layer is sleeved outside the reinforcing core A;

the cable core, the cable core has many and forms the winding and sets up in the structure of filler strip periphery, the cable core with the filler strip the cable core is with adjacent be tangent structure between the cable core, the cable core includes: the conductor is in a structure stranded on the outer side of the reinforced core B, and the insulating layer covers the outer side of an integral structure formed by the conductor and the reinforced core B;

the silicon rubber inner protection layer is coated outside an integral structure formed by the cable core and the filling strips;

the aramid fiber woven layer is sleeved outside the silicon rubber inner protective layer;

the outer silicon rubber protective layer is coated on the outer side of the aramid fiber braided layer;

the metal braid, the metal braid cover is located the outside of silicon rubber outer jacket.

The beneficial effects of the above embodiment are as follows:

1. the reinforcing core A is arranged at the central part of the filling strip, and the reinforcing core B is arranged at the central part of the cable core, so that the tensile capacity of the filling strip and the cable core can be improved;

2. the filling strip is arranged at the center of the cable, so that the cable core is convenient to shape, the cable core is prevented from twisting in the movement process, and the tensile strength of the whole cable can be improved;

3. the tangent structure between the cable core and the filling strip and the tangent structure between the adjacent cable cores enable the integral structure formed by the cable core and the filling strip to be more stable, and the probability of torsion and deformation of the cable core is greatly reduced in the motion process of the cable;

4. the inner silicon rubber protection layer and the outer silicon rubber protection layer are respectively adopted, so that the protection capability of the cable core is improved, and the elastic high-temperature-resistant silicon rubber structure is convenient for the bending deformation and displacement of the cable in a high-temperature environment;

5. the outmost metal braid layer that adopts, the protection cable inner structure that can be better does not receive external environment's mechanical collision, has improved the tensile property and the life of cable.

On the basis of the above embodiment, the embodiment of the present application may be further modified as follows:

in one embodiment of the present application: the reinforced core A and the reinforced core B are aramid fiber strips. The beneficial effect of this step: the aramid fiber strips enable the cable core and the filling strips to have high tensile property.

In one embodiment of the present application: the reinforced core A is positioned at the center of the filling strip, and the reinforced core B is positioned at the center of the corresponding cable core. The beneficial effect of this step: the aramid fiber strip is arranged at the center, the whole stress structure of the cable core and the filling strip is optimized, and the tensile property is convenient to improve.

In one embodiment of the present application: the conductor is a tin-plated copper conductor, and the insulating layer is fluoroplastic insulation.

In one embodiment of the present application: the metal braided layer is of a steel wire braided structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of an embodiment.

The cable comprises a filling strip 1, a reinforced core A101, a 102 sheath layer, a cable core 2, an insulating layer 201, a conductor 202, a reinforced core B203, a silicon rubber inner protective layer 3, an aramid fiber braided layer 4, a silicon rubber outer protective layer 5 and a metal braided layer 6.

Detailed Description

In this application, unless expressly stated or limited otherwise, terms such as mounted, connected, secured, affixed, and the like are to be construed broadly and may, for example, be fixedly connected, releasably connected, or integral; the mechanical connection can be realized by selecting a proper connection mode in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or an electrical connection, transmitting energy or signals by electricity; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in fig. 1, a high temperature resistant mobile cable includes: filler 1, cable core 2, silicon rubber inner sheath 3, aramid fiber weaving layer 4, silicon rubber outer sheath 5, metal braid 6, cable core 2 have many and form the structure around setting up in 1 periphery of filler, are tangent structure between cable core 2 and filler 1, cable core 2 and adjacent cable core 2, and filler 1 includes: strengthen core A101, restrictive coating 102, the outside of strengthening core A101 is located to restrictive coating 102 cover, and the sheath is the insulator, and like fluoroplastics is insulating, the sheath is used for keeping apart strengthening core and cable core 2, can improve insulating properties on the one hand, and on the other hand can improve the rounding degree of filler strip 1 to can also reduce the wearing and tearing of filler strip 1 to cable core 2, cable core 2 includes: insulating layer 201, conductor 202, strengthen core B203, conductor 202 sets up in the structure in strengthening the core B203 outside for the transposition, insulating layer 201 cladding is in the overall structure outside that conductor 202 and strengthen core B203 formed, the overall structure outside that cable core 2 and filler strip 1 formed is covered in the cladding of silicon rubber inner sheath 3, the outside of silicon rubber inner sheath 3 is located to aramid fiber weaving layer 4 cover, the outside of aramid fiber weaving layer 4 is located to the cladding of silicon rubber outer jacket 5, the outside of silicon rubber outer jacket 5 is located to the metal weaving layer 6 cover.

Specifically, strengthen core A101 and strengthen core B203 and be aramid fiber strip, strengthen core A101 and be located the center department of filler strip 1, strengthen core B203 and be located the center department of the cable core 2 that corresponds, can improve the tensile ability of filler strip 1 with cable core 2 through aramid fiber strip to improve the tensile ability of this kind of cable.

Specifically, the conductor 202 is a tin-plated copper conductor 202, because the cable conductor 202 is usually made of copper, tin-plated copper, alloy, and other materials, and the product is required to ensure the current carrying capacity of the power supply and also to meet the requirement of high-temperature movement resistance of the cable, so the tin-plated copper conductor 202 is used as the conductor 202, and the conductor 202 made of the material can meet the requirement.

The insulating layer 201 is a fluoroplastic insulating layer 201 because compared with polyvinyl chloride and polyethylene, fluoroplastic has many advantages, such as excellent high temperature resistance, namely, the polyvinyl chloride can resist the temperature of 105 ℃ at most, and fluoroplastic can resist much higher temperature, namely F40 can resist the temperature of 150 ℃ and F46 can resist the temperature of 200 ℃; the fluoroplastic has good flame retardance, the oxygen index of the fluoroplastic is up to more than 90, and the fluoroplastic has the characteristics of excellent chemical medium resistance, excellent dielectric property, proper mechanical strength and wear resistance and the like.

Specifically, silicon rubber outer protective layer 5 adopts high anti silicon rubber that tears with silicon rubber inner protective layer 3, the reason is as follows, because high anti silicon rubber that tears has corrosion-resistant and high temperature resistance, higher tensile strength still has simultaneously, and the rubber material has certain elasticity, keep apart cable core 2 and aramid fiber weaving layer 4 through silicon rubber inner protective layer 3, keep apart aramid fiber weaving layer 4 and metal weaving layer 6 through silicon rubber outer protective layer 5, the isolation of two-layer elasticity temperature resistant structure, this kind of cable of being convenient for more removes and crooked in high temperature environment.

The aramid fiber weaving layer 4 is adopted because the tensile breaking force is high, the tensile breaking force of the aramid fiber can reach more than 1000N, the strength of the aramid fiber is 3 times that of steel, the aramid fiber is 4 times that of high-strength polyester industrial yarns, the initial modulus of the aramid fiber is 4-10 times that of the polyester industrial yarns, the polyamide fiber is more than 10 times that of the polyamide fiber, the aramid fiber is novel synthetic fiber, the aramid fiber has the characteristics of soft texture, small density, high strength, high modulus and high temperature resistance, and can be used in a high-temperature environment for a long time, and the aramid fiber weaving layer 4 can play the roles of resisting tension and prolonging the service life of a cable.

Specifically, the metal braid 6 is a fine steel wire braided structure, and a layer of stainless steel fine steel wire braided structure is added outside the silicone rubber outer protective layer 5, so that the silicone rubber outer protective layer 5 is not mechanically impacted when moving, and can also be used as a tensile element to increase the longitudinal breaking force of the cable.

The high-temperature-resistant mobile cable has the following advantages:

1. the high-strength aramid fiber strips are added at the central parts of the cable core 2 and the filling strips 1, so that the tensile capacity of the cable can be improved;

2. the filling strip 1 is arranged at the center of the cable, so that the cable core 2 is convenient to shape, the cable core 2 is prevented from twisting in the movement process, and the tensile strength of the whole cable can be improved;

3. the tangent structure between the cable core 2 and the filling strip 1 and the tangent structure between the adjacent cable cores 2 ensure that the integral structure formed by the cable core 2 and the filling strip 1 is more stable, and the probability of torsion and deformation of the cable core 2 is greatly reduced in the motion process of the cable;

4. the inner silicon rubber protection layer 3 and the outer silicon rubber protection layer 5 are respectively adopted, so that the protection capability of the cable core 2 is improved, and the elastic high-temperature-resistant silicon rubber structure is convenient for the bending deformation and displacement of the cable in a high-temperature environment;

5. the outermost layer adopts the steel wire weaving layer, and the protection cable inner structure that can be better does not receive external environment's mechanical collision, has improved the tensile property and the life of cable.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics of the embodiments is not described herein, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (5)

1. A high temperature resistant mobile cable, comprising:

a filler strip, the filler strip comprising: the sheath layer is sleeved outside the reinforcing core A;

the cable core, the cable core has many and forms the ring set up in the structure of filler strip periphery, the cable core with the filler strip the cable core is with adjacent be tangent structure between the cable core, the cable core includes: the cable comprises an insulating layer, a conductor and a reinforcing core B, wherein the conductor is in a structure stranded outside the reinforcing core B, and the insulating layer covers the outside of the integral structure formed by the conductor and the reinforcing core B;

the silicon rubber inner protection layer is coated outside an integral structure formed by the cable core and the filling strips;

the aramid fiber woven layer is sleeved outside the silicon rubber inner protective layer;

the outer silicon rubber protective layer is coated on the outer side of the aramid fiber braided layer;

the metal braid, the metal braid cover is located the outside of silicon rubber outer jacket.

2. The high temperature resistant mobile cable of claim 1, wherein both the reinforcement core a and the reinforcement core B are aramid fiber strips.

3. The high temperature resistant mobile cable of claim 1, wherein the strength core A is located at the center of the filler strip and the strength core B is located at the center of the corresponding cable core.

4. The high temperature resistant mobile cable of claim 1, wherein said conductor is a tin-plated copper conductor and said insulation layer is a fluoroplastic insulation.

5. The high temperature resistant mobile cable of claim 1, wherein said metal braid is a steel wire braid structure.

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