CN214505064U - High flame-retardant inner sleeve non-magnetic armored flame-retardant B1-grade ratproof medium-voltage cable - Google Patents

Abstract

The utility model provides a high flame-retardant endotheca non-magnetic armored flame-retardant B1-grade ratproof medium voltage cable, which comprises a conductor, a conductor shielding layer, an insulating shielding layer, a first wrapping layer, a second wrapping layer, a high flame-retardant polyolefin inner sheath, an armor layer and an outer sheath, wherein the conductor shielding layer, the insulating shielding layer, the first wrapping layer, the second wrapping layer, the high flame-retardant polyolefin inner sheath, the armor layer and the outer sheath are sequentially wrapped outside the conductor, the middle part of the outer sheath is provided with the ratproof layer, the outer sheath is divided into an inner sheath inside and an outer sheath outside the rat-proof layer, the outer side of the inner sheath is provided with a plurality of connecting grooves, the inner side of the rat-proof layer is provided with a plurality of connecting blocks, the connecting grooves and the connecting blocks are in matched clamping connection, the connecting parts of the connecting grooves and the connecting blocks are filled with ratproof factice, the ratproof annular body is arranged inside the rat-proof layer, the ratproof annular body is formed by uniformly arranging a pieces by taking the conductor as the center along the circumferential direction, the ratproof sharp prick is arranged on the rat-proof piece, the rat-proof effect is good.

Description

High flame-retardant inner sleeve non-magnetic armored flame-retardant B1-grade ratproof medium-voltage cable

Technical Field

The utility model relates to a wire and cable technical field indicates a fire-retardant B1 level protection against rodents medium voltage cable of non-magnetic armor of high flame retardant endotheca especially.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, a wire for transmitting power or information from one place to another place is generally a cable similar to a rope formed by twisting several or several groups of wires (at least two wires in each group), each group of wires are mutually insulated and are usually twisted around a center, the whole outer surface is coated with a highly insulating coating, the cable has the characteristics of internal electrification and external insulation, the cable is generally used for connecting circuits, electric appliances and the like, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like.

Present cable is gnawed by the mouse easily in the use and is broken, leads to cable electric leakage short circuit, leads to economic loss and casualties, for this reason, the utility model provides a fire-retardant B1 level protection against rodents middling pressure cable of high fire-retardant endotheca non-magnetic armor to solve the problem that above-mentioned 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 fire-retardant B1 level protection against rodents medium voltage cable of high fire-retardant endotheca non-magnetic armor.

In order to solve the technical problem, the utility model provides a following technical scheme: a high flame-retardant inner sleeve non-magnetic armored flame-retardant B1-grade rat-proof medium-voltage cable comprises a conductor, a conductor shielding layer, an insulating shielding layer, a first wrapping layer, a second wrapping layer, a high flame-retardant polyolefin inner sheath, an armor layer and an outer sheath which are sequentially wrapped outside the conductor, the middle part of the outer sheath is provided with a rat-proof layer which divides the outer sheath into an inner protective layer and an outer protective layer, the outer side of the inner protective layer is provided with a plurality of connecting grooves, the inner side of the rat-proof layer is provided with a plurality of connecting blocks, the connecting grooves and the connecting blocks are clamped in a matching way, and the connecting position of the connecting groove and the connecting block is filled with a rat-proof ointment, a rat-proof annular body is arranged inside the rat-proof layer, the rat-proof annular body is formed by uniformly arranging a plurality of rat-proof pieces in the circumferential direction by taking the conductor as the center, and the rat-proof pieces are provided with rat-proof stabs.

As an optimized technical scheme of the utility model, the conductor is the copper conductor that the heterotypic silk transposition formed.

As an optimal technical scheme of the utility model, first be the copper strips around the covering.

As an optimal technical scheme of the utility model, the second is around the covering for fire-retardant area around the covering.

As an optimized technical scheme of the utility model, the armor is the stainless steel strip armor.

As an optimized technical proposal of the utility model, the outer sheath is made of low-smoke halogen-free flame-retardant polyolefin rat-proof and ant-proof sheath material.

As an optimized technical proposal, the center of the rat guard is provided with a hole.

The utility model discloses the beneficial effect who reaches is: the utility model provides a high flame retardant endotheca non-magnetic armor fire-retardant B1 level protection against rodents middling pressure cable, through using the oversheath that protection against rodents ant sheath material was made, makes the mouse unwilling to gnaw and gnaw this cable, reaches the effect of expelling mouse or keeping away the mouse; and the arranged rat-proof layer can effectively prevent rats and ants from gnawing the cable, so that the service life of the cable is prolonged.

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 a schematic view of the structure of the outer sheath of the present invention;

FIG. 3 is an enlarged schematic view of a in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the ratproof member of the present invention;

reference numbers in the figures: 1. a conductor; 2. a conductor shield layer; 3. an insulating layer; 4. an insulating shield layer; 5. a first lapping layer; 6. a second lapping layer; 7. a high flame retardant polyolefin inner jacket; 8. an armor layer; 9. an outer sheath; 10. a rat-proof layer; 11. an inner protective layer; 12. an outer jacket; 13. connecting grooves; 14. connecting blocks; 15. rat-proof ointment; 16. a rat guard; 17. preventing the rat from biting the sharp prick; 18. a hole; 19. rat-proof annular body.

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. 1-4, the utility model provides a high flame retardant inner sleeve non-magnetic armored flame retardant B1 level rat-proof medium voltage cable, which comprises a conductor 1, and a conductor shielding layer 2, an insulating layer 3, an insulating shielding layer 4, a first winding layer 5, a second winding layer 6, a high flame retardant polyolefin inner sheath 7, an armor layer 8 and an outer sheath 9 which are sequentially coated outside the conductor 1, wherein a rat-proof layer 10 is arranged in the middle of the outer sheath 9, the rat-proof layer 10 divides the outer sheath 9 into an inner sheath 11 inside and an outer sheath 12 outside, a plurality of connecting grooves 13 are arranged outside the inner sheath 11, a plurality of connecting blocks 14 are arranged inside the rat-proof layer 10, a plurality of connecting grooves 13 and a plurality of annular bodies 14 are in matching clamping connection, and the connecting positions of the connecting grooves 13 and the connecting blocks 14 are filled with rat-proof ointment 15, a rat-proof 19 is arranged inside the rat-proof layer 10, the rat-proof annular body 19 is formed by uniformly arranging a plurality of rat-proof pieces 16 in the circumferential direction by taking the conductor 1 as the center, the rat-proof spikes 17 are arranged on the rat-proof pieces 16, and the rat-proof ointment 15 and the rat-proof spikes 17 can effectively prevent rats and ants from gnawing the cable, so that the service life of the cable is prolonged.

Further, the conductor 1 is a copper conductor formed by twisting special-shaped wires.

Further, the first wrapping layer 5 is a copper strip wrapping layer.

Further, the second wrapping layer 6 is a flame-retardant tape wrapping layer.

Further, the armor layer 8 is a stainless steel strip armor layer.

Further, the outer sheath 9 is made of a low-smoke halogen-free flame-retardant polyolefin rat and ant prevention sheath material, so that rats do not want to gnaw the cable, and the rat repelling or rat avoiding effect is achieved.

Furthermore, the center of the rat guard 16 is provided with a hole 18, which has the advantage of saving materials.

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 (7)

1. The high-flame-retardant inner sleeve non-magnetic armored flame-retardant B1-grade ratproof medium-voltage cable is characterized by comprising a conductor (1), a conductor shielding layer (2), an insulating layer (3), an insulating shielding layer (4), a first winding layer (5), a second winding layer (6), a high-flame-retardant polyolefin inner sheath (7), an armor layer (8) and an outer sheath (9) which are sequentially coated outside the conductor (1), wherein the middle part of the outer sheath (9) is provided with a ratproof layer (10), the outer sheath (9) is divided into an inner sheath (11) and an outer sheath (12) by the ratproof layer (10), the outer side of the inner sheath (11) is provided with a plurality of connecting grooves (13), the inner side of the ratproof layer (10) is provided with a plurality of connecting blocks (14), the connecting grooves (13) are in matched clamping connection with the connecting blocks (14), and the connecting parts of the connecting grooves (13) and the connecting blocks (14) are filled with ratproof ointment (15), the rat-proof layer is characterized in that a rat-proof annular body (19) is arranged inside the rat-proof layer (10), the rat-proof annular body (19) is formed by uniformly arranging a plurality of rat-proof pieces (16) in the circumferential direction by taking the conductor (1) as the center, and rat-proof nibbles (17) are arranged on the rat-proof pieces (16).

2. The high flame-retardant inner sleeve non-magnetic armored flame-retardant B1-grade rat-proof medium-voltage cable according to claim 1, wherein the conductor (1) is a copper conductor formed by twisting profiled wires.

3. The high flame retardant inner sleeve non-magnetic armored flame retardant B1-grade ratproof medium voltage cable as claimed in claim 1, wherein the first wrapping layer (5) is a copper tape wrapping layer.

4. The high flame retardant inner sleeve non-magnetic armored flame retardant B1-grade ratproof medium voltage cable as claimed in claim 1, wherein the second wrapping layer (6) is a flame retardant tape wrapping layer.

5. The high flame retardant inner sleeve non-magnetic armored flame retardant B1-grade ratproof medium voltage cable as claimed in claim 1, wherein the armor layer (8) is a stainless steel strip armor layer.

6. The high flame retardant inner sleeve non-magnetic armored flame retardant B1-grade ratproof medium voltage cable according to claim 1, wherein the outer sheath (9) is made of low smoke halogen-free flame retardant polyolefin ratproof ant-proof sheath material.

7. The high flame retardant inner sleeve non-magnetic armored flame retardant B1-grade ratproof medium voltage cable as claimed in claim 1, wherein the center of the ratproof member (16) is provided with a hole (18).

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