CN211427871U - Mineral substance cable with fire-resistant structure - Google Patents

Mineral substance cable with fire-resistant structure Download PDF

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Publication number
CN211427871U
CN211427871U CN201922321214.XU CN201922321214U CN211427871U CN 211427871 U CN211427871 U CN 211427871U CN 201922321214 U CN201922321214 U CN 201922321214U CN 211427871 U CN211427871 U CN 211427871U
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CN
China
Prior art keywords
cable
fire
mineral
core
mineral substance
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Expired - Fee Related
Application number
CN201922321214.XU
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Chinese (zh)
Inventor
刘晓飞
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Qingdao Haineng Special Cable Co ltd
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Qingdao Haineng Special Cable Co ltd
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Priority to CN201922321214.XU priority Critical patent/CN211427871U/en
Application granted granted Critical
Publication of CN211427871U publication Critical patent/CN211427871U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a mineral cable with a fire-resistant structure, round holes are evenly arranged in a polyethylene core, the polyethylene core is sleeved with a concentric mineral fire-resistant structure, the outer side of the polyethylene core is wound with a cable core, the cable core is positioned between the polyethylene core and the mineral fire-resistant structure, the outer side of the mineral fire-resistant structure is fixedly sleeved with the isolated fire-resistant structure, the outer side of the isolated fire-resistant structure is fixedly sleeved with the copper sheath, the outer side of the copper sheath is fixedly sleeved with the rubber outer sleeve, the cable core is insulated and fire-resistant protected by the mineral fire-resistant structure in cooperation with the polyethylene core, the outer side of the cable core is enhanced in fire resistance by the isolated fire-resistant structure, compared with the aim of achieving the fire resistance by stacking the fire-resistant materials, the isolated fire-resistant structure has the characteristics of lighter weight and softness, improves the flexibility of the cable, the cable is enabled to have certain flexibility and good fire resistance.

Description

Mineral substance cable with fire-resistant structure
Technical Field
The utility model relates to a mineral matter cable technical field specifically is a mineral matter cable with fire-resistant structure.
Background
Cables are typically made by stranding several or several groups of conductors, each group insulated from one another and often twisted around a center, with a highly insulated covering over the entire circumference. The cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a compensation cable, a shielding cable, a flame-retardant 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, and the cables consist of single-stranded or multi-stranded wires and an insulating layer and are used for connecting a circuit, an electric appliance and the like and are respectively applied to different occasions.
The flame retardant problem of the cable is always the subject of research, the common implementation mode in the market at present is to improve the fire resistance through the mineral cable, the mineral cable is divided into hard and soft, the hard mineral cable has better fire resistance, but the hard mineral cable has larger integral hardness and is not easy to bend, the soft mineral cable is relatively softer, the problem of difficult bending is overcome, but partial fire resistance is sacrificed, the mineral cable between the hard mineral cable and the soft mineral cable is needed at present, and for the problem, the mineral cable with the fire-resistant structure is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mineral substance cable with fire-resistant structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mineral matter cable with refractory structure, includes the polyethylene core, evenly seted up the round hole in the polyethylene core, and the polyethylene core is honeycomb, the refractory structure of mineral matter in the same centre of a circle has been cup jointed in the outside of polyethylene core, the winding of the polyethylene core outside has the cable core, and the cable core is located between polyethylene core and the refractory structure of mineral matter, the fixed isolated refractory structure that has cup jointed in the outside of refractory structure of mineral matter, the fixed copper sheath that has cup jointed in the outside of isolated refractory structure, the fixed rubber overcoat that has cup jointed in the outside of copper sheath.
Preferably, the isolated fire-resistant structure comprises rubber support members which are uniformly and fixedly assembled between the mineral fire-resistant structure and the copper sheath, an arc-shaped rubber connecting plate is fixedly connected between the rubber support members, each rubber support member is composed of two longitudinal rubber plates, a flame-retardant rope is filled between the two longitudinal rubber plates in each rubber support member, and a flame-retardant cavity is formed between the mineral fire-resistant structure and the copper sheath.
Preferably, the mineral fire-resistant structure comprises a first mineral fire-resistant layer, a second mineral fire-resistant layer and a third mineral fire-resistant layer which are pasted in sequence from outside to inside.
Preferably, the cable core is formed by twisting 14 cables, and a cable filling rope is filled in a hollow space between the cables in the cable core.
Compared with the prior art, the beneficial effects of the utility model are that: this scheme has designed a mineral substance cable with fire resistive construction, this device is insulated and fire-resistant protection to the cable core through mineral substance fire resistive construction cooperation polyethylene core, the fire resistance of isolated fire resistive construction reinforcing cable is passed through in the outside, the contrast is piled up in order to reach the purpose of fire resistance through refractory material, isolated fire resistive construction has more lightly, soft characteristics, improve the flexibility of cable, make the cable between stereoplasm mineral substance cable and soft mineral substance cable, obtain better fire resistance when guaranteeing that the cable wholly has certain flexibility.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the refractory structure of the middle mineral substance of the present invention.
In the figure: 1 polyethylene core, 2 round holes, 3 mineral substance fire-resistant structure, 31 third mineral substance flame retardant coating, 32 second mineral substance flame retardant coating, 33 first mineral substance flame retardant coating, 4 cable cores, 5 cable filling ropes, 6 isolated fire-resistant structure, 61 rubber support piece, 62 fire-retardant cavity, 63 fire-retardant rope, 64 arc rubber connecting plate, 7 copper sheath, 8 rubber coat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a mineral substance cable with refractory structure, including polyethylene core 1, round hole 2 has evenly been seted up in polyethylene core 1, and polyethylene core 1 is honeycomb, polyethylene core 1's the outside has cup jointed the refractory structure of mineral substance 3 in the same centre of a circle, the winding of polyethylene core 1 outside has cable core 4, and cable core 4 is located between polyethylene core 1 and the refractory structure of mineral substance 3, the fixed isolated refractory structure 6 that has cup jointed in the outside of refractory structure of mineral substance 3, the fixed copper sheath 7 that has cup jointed in isolated refractory structure 6's the outside, copper sheath 7 ground connection, play waterproof effect simultaneously, the fixed cover in the outside of copper sheath 7 has connected rubber coat 8.
Be honeycomb polyethylene core 1 in this embodiment when lightening self weight, can provide support and insulation protection for outer winding cable core 4, the effect of round hole 2 is the quality that further alleviates polyethylene type 1, 3 cooperation polyethylene cores of mineral substance refractory structure are 1 to cable core 4 insulation and fire-resistant protection, the fire resistance of 6 reinforcing cables of isolated refractory structure is passed through in the outside, the contrast is piled up in order to reach fire resistance's purpose through refractory material, isolated refractory structure 6 has more lightly, soft characteristics, improve the flexibility of cable, make the cable between stereoplasm mineral substance cable and soft mineral substance cable, obtain better fire resistance when guaranteeing that the cable wholly has certain flexibility.
Isolated refractory structure 6 includes rubber support piece 61 of even fixed assembly between mineral substance refractory structure 3 and copper sheathing 7, fixedly connected with arc rubber connecting plate 64 between the adjacent rubber support piece 61, and rubber support piece 61 comprises two vertical rubber slabs, and it has fire-retardant rope 63 to fill between two vertical rubber slabs in rubber support piece 61, forms fire-retardant cavity 62 between mineral substance refractory structure 3 and the copper sheathing 7.
Rubber support 61 and arc rubber connecting plate 64 are used for supporting between mineral substance refractory structure 3 and copper sheath 7, are used for supporting fire-retardant cavity 62, and what the fire-retardant cavity 62 inside packing that forms is the air, and the air is good thermal-insulated medium, can effectively insulate against the effect of heat to cable core 4.
The mineral fire-resistant structure 3 comprises a first mineral fire-resistant layer 33, a second mineral fire-resistant layer 32 and a third mineral fire-resistant layer 31 which are adhered in sequence from outside to inside.
In this embodiment, the first mineral flame-retardant layer 33 is a mica tape layer, the second mineral flame-retardant layer 32 is a high flame-retardant ceramic flame-retardant composite tape layer, and the third mineral flame-retardant layer 31 is a glass fiber tape layer, which cooperate with each other to achieve the effects of insulation and flame retardation.
Cable core 4 is formed by 14 cable transposition, and the hollow intussuseption between the cable in the cable core 4 is filled with cable filling rope 5, and the clearance between the inside stranded cable of 4 of cable cores of transposition is littleer, reduces the current transmission loss, and cable filling rope 5 plays spacing fixed effect to the inside stranded cable of 4 of cable cores, avoids the cable to rock.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A mineral matter cable having a fire resistant construction, characterized by: including polyethylene core (1), round hole (2) have evenly been seted up in polyethylene core (1), and polyethylene core (1) is honeycomb, mineral substance refractory structure (3) with the centre of a circle have been cup jointed in the outside of polyethylene core (1), polyethylene core (1) outside winding has cable core (4), and cable core (4) are located between polyethylene core (1) and mineral substance refractory structure (3), isolated refractory structure (6) have been fixed to have cup jointed in the outside of mineral substance refractory structure (3), copper sheath (7) have been fixed to have cup jointed in the outside of isolated refractory structure (6), rubber overcoat (8) have been fixed to have cup jointed in the outside of copper sheath (7).
2. A mineral matter cable with fire resistant construction according to claim 1, characterized in that: isolated refractory structure (6) are adjacent including even fixed rubber support piece (61) of assembling between mineral substance refractory structure (3) and copper sheath (7) fixedly connected with arc rubber connecting plate (64) between rubber support piece (61), rubber support piece (61) comprise two vertical rubber slabs, and it has fire-retardant rope (63) to fill between two vertical rubber slabs in rubber support piece (61), form fire-retardant cavity (62) between mineral substance refractory structure (3) and copper sheath (7).
3. A mineral matter cable with fire resistant construction according to claim 1, characterized in that: the mineral substance fireproof structure (3) comprises a first mineral substance fireproof layer (33), a second mineral substance fireproof layer (32) and a third mineral substance fireproof layer (31) which are sequentially pasted from outside to inside.
4. A mineral matter cable with fire resistant construction according to claim 1, characterized in that: the cable core (4) is formed by twisting 14 cables, and a cable filling rope (5) is filled in a hollow space between the cables in the cable core (4).
CN201922321214.XU 2019-12-23 2019-12-23 Mineral substance cable with fire-resistant structure Expired - Fee Related CN211427871U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922321214.XU CN211427871U (en) 2019-12-23 2019-12-23 Mineral substance cable with fire-resistant structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922321214.XU CN211427871U (en) 2019-12-23 2019-12-23 Mineral substance cable with fire-resistant structure

Publications (1)

Publication Number Publication Date
CN211427871U true CN211427871U (en) 2020-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922321214.XU Expired - Fee Related CN211427871U (en) 2019-12-23 2019-12-23 Mineral substance cable with fire-resistant structure

Country Status (1)

Country Link
CN (1) CN211427871U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200904

CF01 Termination of patent right due to non-payment of annual fee