CN212461189U

CN212461189U - Fluoroplastic insulation and sheath high-temperature-resistant shielding control cable

Info

Publication number: CN212461189U
Application number: CN202021638680.7U
Authority: CN
Inventors: 张本寿; 昌加兵; 钱家贵; 张敏; 后学铸; 汪国明
Original assignee: ANHUI HANGTIAN CABLE GROUP CO LTD
Current assignee: ANHUI HANGTIAN CABLE GROUP CO LTD
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-02
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a fluoroplastic insulation and sheath high temperature resistant shielding control cable, including stranded insulation core, insulation core is equipped with around the band outward, be provided with the metallic shield around the outside of band, the outside of metallic shield is provided with the elastic layer, the outside cladding of elastic layer has the inner sheath, the outside of inner sheath is provided with the armor, the outside cladding of armor has the outer sheath, a plurality of wear-resisting archs have set firmly on the outer sheath, and a plurality of wear-resisting archs are equipartition on the outer sheath, and are equipped with the cavity in the wear-resisting archs, and the cavity communicates the venthole, on the basis of improving cable outward appearance wear resistance, still has the effect of decompression, has promoted the compressive capacity of cable, is fit for using widely; the horizontal portion of "T" font heat-conducting piece is placed in the cavity, and its vertical portion runs through oversheath, armor, inner sheath and elastic layer and metallic shield butt, leads away the inside temperature of cable.

Description

Fluoroplastic insulation and sheath high-temperature-resistant shielding control cable

Technical Field

The utility model relates to the technical field of cables, indicate especially a fluoroplastics is insulating and high temperature resistant shielding control cable of sheath.

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.

The control cable is easy to heat due to low temperature-resistant level, high temperature severe environment or high equipment power, can bear heat for a short time, can be heated more and more for a long time, and even can be on fire to cause a series of safety accidents.

Therefore, the utility model provides a fluoroplastics is insulating and high temperature resistant shielding control cable of sheath to solve the problem that the aforesaid exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's shortcoming, provide a fluoroplastics is insulating and the high temperature resistant shielding control cable of sheath.

In order to solve the technical problem, the utility model provides a following technical scheme: a fluoroplastic insulation and sheath high-temperature-resistant shielding control cable comprises a plurality of insulating wire cores, wherein a wrapping tape is arranged outside each insulating wire core, a metal shielding layer is arranged outside the wrapping tape, an elastic layer is arranged outside the metal shielding layer, an inner sheath is wrapped outside the elastic layer, an armor layer is arranged outside the inner sheath, an outer sheath is wrapped outside the armor layer, a plurality of wear-resistant protrusions are fixedly arranged on the outer sheath and are uniformly distributed on the outer sheath, cavities are formed in the wear-resistant protrusions and communicated with air outlet holes, and on the basis of improving the wear-resistant performance of the cable and prolonging the service life of the cable, the wear-resistant protrusions compress and extrude the cavities when the cable is extruded, so that the effect of reducing pressure is achieved, the compression resistance of the cable is improved, and the cable is suitable for popularization and use; the horizontal portion of "T" font heat-conducting piece is placed in the cavity, and its vertical portion runs through oversheath, armor, inner sheath and elastic layer and metallic shield butt, leads away the inside temperature of cable.

As an optimal technical scheme, the insulation core includes the conductor, the outside crowded package of conductor have the fluoroplastics insulating layer, be equipped with the filling layer around between band and the insulation core, this filling in situ is filled there is the fine rope material of alkali-free glass to the high temperature resistance of cable has been improved.

As an optimal technical scheme, the metallic shield layer is the shielding is woven to the copper wire to cable interference killing feature has been improved.

As an optimal technical scheme, be provided with a plurality of semi-circular elastic components in the elastic layer, a plurality of semi-circular elastic components equipartition in the elastic layer, and set firmly a "T" font heat-conducting component between per two semi-circular elastic components, when the cable received the extrusion, semi-circular elastic component can bear partly pressure, reached the effect of decompression, had promoted the compressive capacity of cable.

As an optimal technical scheme of the utility model, inner sheath and oversheath are the restrictive coating that fluoroplastics made for the high temperature resistance performance of cable is good.

As an optimal technical scheme of the utility model, the venthole sets up at wear-resisting bellied side to be linked together with the cavity, be favorable to getting rid of the inside heat that produces of cable.

As an optimal technical scheme of the utility model, for alkali-free glass fiber tape around the covering around the band for the high temperature resistance of cable can be good.

The utility model discloses the beneficial effect who reaches is: the fluoroplastic insulation and sheath high-temperature-resistant shielding control cable provided by the utility model adopts fluoroplastic as insulation and sheath, and the fluoroplastic has excellent mechanical properties, so that the service life of the cable is prolonged; the semicircular elastic piece is arranged in the elastic layer, the cavity is arranged in the wear-resistant bulge, and when the cable is extruded, the semicircular elastic piece and the wear-resistant bulge can bear a part of pressure, so that the effect of pressure reduction is achieved, and the pressure resistance of the cable is improved; and the wear-resistant protrusions are arranged, so that the wear-resistant performance of the cable appearance is improved, the service life of the cable is prolonged, and the cable is suitable for popularization and use.

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is an enlarged schematic view of a in FIG. 1 according to the present invention;

reference numbers in the figures: 1. wrapping a tape; 2. a metal shielding layer; 3. an elastic layer; 4. an inner sheath; 5. an armor layer; 6. an outer sheath; 7. wear-resistant protrusions; 8. a cavity; 9. an air outlet; 10. a "T" shaped heat conducting member; 11. a conductor; 12. a fluoroplastic insulating layer; 13. a filling layer; 14. a semicircular elastic member.

Detailed Description

The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 (b): as shown in fig. 1-2, the utility model provides a fluoroplastic insulation and sheath high temperature resistant shielding control cable, which comprises a plurality of insulation core wires, the insulation core wires are externally provided with a wrapping tape 1, a metal shielding layer 2 is arranged outside the wrapping tape 1, an elastic layer 3 is arranged outside the metal shielding layer 2, an inner sheath 4 is wrapped outside the elastic layer 3, an armor layer 5 is arranged outside the inner sheath 4, an outer sheath 6 is wrapped outside the armor layer 5, a plurality of wear-resistant protrusions 7 are fixedly arranged on the outer sheath 6, the wear-resistant protrusions 7 are uniformly distributed on the outer sheath 6, cavities 8 are arranged in the wear-resistant protrusions 7, the cavities 8 are communicated with air outlets 9, on the basis of improving the outer wear-resistant performance of the cable and prolonging the service life of the cable, the wear-resistant protrusions 7 can be extruded and shrunk to reduce the cavities 8 when the cable is extruded, the pressure reducing effect is achieved, the pressure resistance of the cable is improved, and the cable is suitable for popularization and use; the transverse part of the T-shaped heat conducting piece 10 is placed in the cavity 8, and the vertical part of the T-shaped heat conducting piece penetrates through the outer sheath 6, the armor layer 5, the inner sheath 4 and the elastic layer 3 to be abutted against the metal shielding layer 2, so that the temperature inside the cable is guided out.

Further, the insulation core includes conductor 11, the outside crowded package of conductor 11 have fluoroplastics insulating layer 12, be equipped with filling layer 13 around between band 1 and the insulation core, this filling layer 13 intussuseption is filled with alkali-free glass fiber rope material to the high temperature resistance of cable has been improved.

Furthermore, the metal shielding layer 2 is a copper wire braided shield, so that the anti-interference performance of the cable is improved.

Furthermore, a plurality of semicircular elastic pieces 14 are arranged in the elastic layer 3, the semicircular elastic pieces 14 are uniformly distributed in the elastic layer 3, a T-shaped heat conducting piece 10 is fixedly arranged between every two semicircular elastic pieces 14, and when the cable is extruded by external force, the semicircular elastic pieces 14 can bear partial pressure, so that the effect of pressure reduction is achieved, and the pressure resistance of the cable is improved.

Furthermore, the inner sheath 4 and the outer sheath 6 are sheath layers made of fluoroplastics, so that the high-temperature resistance of the cable is good.

Furthermore, the air outlet 9 is arranged on the side edge of the wear-resistant protrusion 7 and communicated with the cavity 8, so that heat inside the cable can be transferred out.

Furthermore, the wrapping tape 1 is an alkali-free glass fiber tape wrapping layer, so that the high-temperature resistance of the cable is good.

The above embodiments are merely to describe the preferred embodiments of the present invention, and are not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. The high-temperature-resistant shielding control cable with the fluoroplastic insulation and the sheath is characterized by comprising a plurality of strands of insulation wire cores, wherein the insulation wire cores are externally provided with a winding belt (1), a metal shielding layer (2) is arranged outside the winding belt (1), an elastic layer (3) is arranged outside the metal shielding layer (2), an inner sheath (4) is wrapped outside the elastic layer (3), an armor layer (5) is arranged outside the inner sheath (4), an outer sheath (6) is wrapped outside the armor layer (5), a plurality of wear-resistant bulges (7) are fixedly arranged on the outer sheath (6), the wear-resistant bulges (7) are uniformly distributed on the outer sheath (6), cavities (8) are arranged in the wear-resistant bulges (7), the cavities (8) are communicated with air outlets (9), and transverse parts of T-shaped heat conducting pieces (10) are arranged in the cavities (8), its vertical portion runs through oversheath (6), armor (5), inner sheath (4) and elastic layer (3) and metallic shield (2) butt, leads away the inside temperature of cable.

2. A fluoroplastic insulated and sheathed high-temperature-resistant shielding control cable according to claim 1, wherein the insulated wire core comprises a conductor (11), a fluoroplastic insulating layer (12) is extruded outside the conductor (11), a filling layer (13) is arranged between the wrapping tape (1) and the insulated wire core, and the filling layer (13) is filled with an alkali-free glass fiber rope material.

3. A fluoroplastic insulated and sheathed high-temperature-resistant shielding control cable according to claim 1, wherein the metal shielding layer (2) is a copper wire braided shield.

4. A fluoroplastic insulating and sheath high-temperature-resistant shielding control cable according to claim 1, wherein the elastic layer (3) is internally provided with a plurality of semicircular elastic members (14), the plurality of semicircular elastic members (14) are uniformly distributed in the elastic layer (3), and a T-shaped heat-conducting member (10) is fixedly arranged between every two semicircular elastic members (14).

5. A fluoroplastic insulated and sheathed high-temperature-resistant shielded control cable as claimed in claim 1, wherein the inner sheath (4) and the outer sheath (6) are sheath layers made of fluoroplastic.

6. A fluoroplastic insulation and sheath high temperature resistant shielding control cable as claimed in claim 1 wherein the air outlet holes (9) are formed in the side edges of the wear-resistant projections (7) and communicated with the cavity (8).

7. A fluoroplastic insulated and sheathed high-temperature-resistant shielding control cable according to claim 1, wherein the wrapping tape (1) is an alkali-free glass fiber tape wrapping layer.