CN214796829U - Insulated aluminum metal jacketed-punched grain isolated fireproof cable with mica mineral substance - Google Patents

Abstract

The utility model provides a line isolated form fireproof cable is pricked to mica mineral substance insulating aluminium metal cover, including conductor and low smoke and zero halogen packing, a plurality of conductor equipartition is around low smoke and zero halogen packing and is wrapped up around the band, set up the spacer sleeve outside the band, the spacer sleeve is equipped with the polyethylene isolation layer outward, the polyethylene isolation layer is outward wrapped around the band, set up the oversheath outside the band; be provided with a plurality of resistance to compression elastic components between separation sleeve and the polyethylene isolation layer, every resistance to compression elastic component includes a spacing section of thick bamboo and compression ball, spacing inslot that spacing section of thick bamboo embedding separation sleeve periphery was seted up and with the fixed laminating of separation sleeve, and the elastic movement chamber is seted up to the outstanding spacing groove's of a spacing section of thick bamboo one side, the both ends in elastic movement chamber have all set firmly reset spring, reset spring rigid coupling arc, compression ball sets up between two arcs to with the polyethylene isolation layer butt.

Description

Insulated aluminum metal jacketed-punched grain isolated fireproof cable with mica mineral substance

Technical Field

The utility model relates to a wire and cable technical field indicates a line isolated form fireproof cable is pricked to insulating aluminium metal cover of mica mineral substance especially.

Background

The cable is an electric power transmission device which needs to be used in a large amount in real life, can transmit electric power in a long distance and a short distance, and brings great convenience to work and life of people. The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total output value of the electric wire and the electric cable in China exceeds the United states worldwide, and the electric wire and the electric cable become the first country for producing the electric wire and the electric cable in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.

At present, cables become common tools in life, and fire-fighting equipment such as fire elevators and fire pumps need to keep normal operation for a certain time under the condition of fire, so that the electric wires and cables for transmitting power of the equipment need to have high fireproof and heat-resistant performances. However, the existing fireproof cable has limited pressure resistance, and the cable core is easily damaged in some compression environments, so that potential safety hazards are caused.

Therefore, the utility model provides an insulating aluminium metal cover of mica mineral matter pricks line isolated form fireproof cable 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 line isolated form fireproof cable is pricked to insulating aluminium metal cover of mica mineral substance.

In order to solve the technical problem, the utility model provides a following technical scheme: a mica mineral insulated aluminum metal sleeve bundle grain isolated fireproof cable comprises conductors and low-smoke halogen-free filling strips, wherein a plurality of conductors are uniformly distributed around the low-smoke halogen-free filling strips and are wrapped by a wrapping tape; be provided with a plurality of resistance to compression elastic components between separation sleeve and the polyethylene isolation layer, every resistance to compression elastic component includes a spacing section of thick bamboo and compression ball, spacing inslot that spacing section of thick bamboo embedding separation sleeve periphery was seted up and with the fixed laminating of separation sleeve, and the elastic movement chamber is seted up to the outstanding spacing groove's of a spacing section of thick bamboo one side, the both ends in elastic movement chamber have all set firmly reset spring, reset spring rigid coupling arc, compression ball sets up between two arcs to with the polyethylene isolation layer butt.

As an optimal technical scheme, be equipped with the resistance to compression chamber between isolation sleeve and the polyethylene isolation layer, the resistance to compression ball removes at the resistance to compression intracavity.

As an optimal technical scheme of the utility model, the conductor is special-shaped silk transposition conductor, and the conductor is equipped with No. two around the covering outward, No. two are formed around the covering for the mica tape around the package.

As an optimal technical scheme of the utility model, the spacer sleeve is the aluminium metal ligature spacer sleeve.

As an optimized technical scheme of the utility model, the elastic movement chamber is an arc-shaped channel.

As an optimized technical proposal, the outer sheath is made of low-smoke halogen-free flame-retardant polyolefin material, and a plurality of reinforcing ribs are arranged in the outer sheath.

As a preferred technical scheme of the utility model, it extrudes + polyester area and fire-retardant area around the covering for Al (OH)2 and Mg (OH)2 separates the oxygen layer grout to wind the covering.

The utility model discloses the beneficial effect who reaches is: the utility model provides a pair of line isolated form fireproof cable is pricked to insulating aluminium metal cover of mica mineral substance, through the resistance to compression bullet piece that sets up, during pressurized, the resistance to compression ball removes in the elastic movement intracavity, extrudees reset spring, and the exotic pressure that the buffering cable received plays the effect that the pressurized was given up a concession to improve the compressive property of cable.

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 isolation sleeve of the present invention;

FIG. 3 is a schematic view of the structure of the compression-resistant elastic member of the present invention;

reference numbers in the figures: 1. a conductor; 2. low smoke and zero halogen filler strips; 3. wrapping a tape; 4. an isolation sleeve; 5. a polyethylene barrier layer; 6. wrapping a covering; 7. an outer sheath; 8. a compression resistant spring; 9. a limiting cylinder; 10. a compression ball; 11. a limiting groove; 12. an elastic moving chamber; 13. a return spring; 14. an arc-shaped plate; 15. a pressure resistant cavity; 16. a second wrapping layer; 17. and (5) reinforcing ribs.

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. 1-3, the utility model provides an isolated fireproof cable of insulating aluminium metal cover bundle line of mica mineral substance, including conductor 1 and low smoke and zero halogen filler strip 2, a plurality of conductor 1 equipartition is around low smoke and zero halogen filler strip 2 and is wrapped up around band 3, set up spacer 4 outside band 3, spacer 4 is equipped with polyethylene isolation layer 5 outward, polyethylene isolation layer 5 winds around wrapping layer 6 outward, set up oversheath 7 outside wrapping layer 6; be provided with a plurality of resistance to compression bullet spare 8 between separation sleeve 4 and the polyethylene isolation layer 5, every resistance to compression bullet spare 8 includes a spacing section of thick bamboo 9 and resistance to compression ball 10, spacing 9 embedding separation sleeve 4 periphery is seted up in the spacing groove 11 and with the fixed laminating of separation sleeve 4, and the one side of the outstanding spacing groove 11 of a spacing section of thick bamboo 9 sets up elastic movement chamber 12, the both ends in elastic movement chamber 12 all have set firmly reset spring 13, reset spring 13 rigid coupling arc 14, resistance to compression ball 10 sets up between two arcs 14 to with 5 butts of polyethylene isolation layer.

Furthermore, a pressure-resistant cavity 15 is arranged between the isolation sleeve 4 and the polyethylene isolation layer 5, and the pressure-resistant ball 10 moves in the pressure-resistant cavity 15.

Further, the conductor 1 is a special-shaped wire stranded conductor, a second wrapping layer 16 is arranged outside the conductor 1, and the second wrapping layer 16 is formed by wrapping mica tapes and plays a role in fire prevention.

Further, the isolation sleeve 4 is an aluminum metal rolled isolation sleeve.

Furthermore, the elastic moving cavity 12 is an arc-shaped channel for the movement of the compression-resistant ball 10, and when the cable is compressed, the compression-resistant moving cavity plays a role in compression yielding, so that the compression resistance of the cable is improved.

Further, the outer sheath 7 is made of low-smoke halogen-free flame-retardant polyolefin material, and a plurality of reinforcing ribs 17 are arranged in the outer sheath 7, so that the strength of the cable is improved.

Further, the wrapping layer 6 is formed by Al (OH)2 and Mg (OH)2 oxygen isolating layer grouting extrusion + polyester tape and flame-retardant tape wrapping layer.

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 (6)

1. The mica mineral insulated aluminum metal jacketed grain isolated fireproof cable is characterized by comprising conductors (1) and low-smoke halogen-free filling strips (2), wherein the conductors (1) are uniformly distributed around the low-smoke halogen-free filling strips (2) and wrapped by wrapping tapes (3), isolating sleeves (4) are arranged outside the wrapping tapes (3), polyethylene isolating layers (5) are arranged outside the isolating sleeves (4), the polyethylene isolating layers (5) are wrapped by wrapping layers (6), and outer sheaths (7) are arranged outside the wrapping layers (6); be provided with a plurality of resistance to compression bullet spare (8), every between separation sleeve (4) and polyethylene isolation layer (5) resistance to compression bullet spare (8) are including spacing section of thick bamboo (9) and resistance to compression ball (10), spacing section of thick bamboo (9) embedding spacing groove (11) that separation sleeve (4) periphery was seted up in and with the fixed laminating of separation sleeve (4), and the one side of spacing section of thick bamboo (9) outstanding spacing groove (11) is seted up elastic movement chamber (12), the both ends of elastic movement chamber (12) have all set firmly reset spring (13), reset spring (13) rigid coupling arc (14), resistance to compression ball (10) set up between two arc (14) to with polyethylene isolation layer (5) butt.

2. The mica mineral insulated aluminum metal jacketed insulated fireproof cable according to claim 1, wherein a pressure resistant cavity (15) is provided between the insulation jacket (4) and the polyethylene insulation layer (5), and the pressure resistant ball (10) moves in the pressure resistant cavity (15).

3. The mica mineral insulated aluminum metal bundled stripe isolated fireproof cable according to claim 1, wherein the conductor (1) is a profile wire stranded conductor, a second wrapping layer (16) is arranged outside the conductor (1), and the second wrapping layer (16) is formed by wrapping a mica tape.

4. The mica mineral insulated aluminum metal strap tie insulation type fireproof cable of claim 1, wherein the insulation sleeve (4) is an aluminum metal strap.

5. The mica mineral insulated aluminum metal looping and binding isolated form fireproof cable of claim 1, wherein said flexible moving cavity (12) is an arc-shaped channel.

6. The mica mineral insulated aluminum metal bundled line isolated fireproof cable according to claim 1, wherein the outer sheath (7) is made of low-smoke halogen-free flame-retardant polyolefin material, and a plurality of reinforcing ribs (17) are arranged in the outer sheath (7).

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