CN212782824U

CN212782824U - Mineral substance fireproof cable

Info

Publication number: CN212782824U
Application number: CN202022187597.9U
Authority: CN
Inventors: 杜一泉; 田志; 张松
Original assignee: Henan 168 Cable Co ltd
Current assignee: Henan 168 Cable Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-03-23
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a mineral substance fireproof cable, include: an outer layer; a mineral fireproof layer is adhered to the inner wall of the outer layer; an aluminum alloy interlocking armor is adhered to the inner wall of the mineral fireproof layer; a buffer layer is adhered to the inner wall of the aluminum alloy interlocking armor; a filling layer is adhered to the inner wall of the buffer layer, and the top of the filling layer is provided with a slotted hole; a cable core is fixedly arranged in the slotted hole of the filling layer; by arranging the mineral fireproof layer and the outer layer, the fireproof degree of the cable can be greatly improved, and the storage time of the cable under unexpected conditions is prolonged; through being provided with chain armour of aluminum alloy and buffer layer, through the crushing resistance of chain armour of aluminum alloy reinforcing cable that can be very big, prevent to receive the damage because the extrusion deformation who receives external force leads to the cable inside, can absorb the vibrations of most external production through the intraformational foam ball of buffer to can strengthen the intensity and the incorruptibility of cable.

Description

Mineral substance fireproof cable

Technical Field

The utility model belongs to the technical field of fireproof cable, more specifically say, in particular to mineral substance fireproof cable.

Background

The cable is widely applied to control installation, connection equipment and power transmission, and is an indispensable important transmission medium in the aspects of industry, civilian use and the like. The cable has various specifications and models so as to meet the requirements of different equipment and transmission purposes. When the cable is used, problems such as short circuit or open circuit can occur, and the transmission of power supply and information is failed. When a fire disaster occurs, the cable needs to have a certain fireproof function, so that data can be effectively stored before the lines are paralyzed, the risk of data loss is reduced, and the cable can ensure the safe operation of electrical equipment and the lines in the process of power transmission.

For example, patent No. CN211237773U discloses a mineral fireproof cable, which includes a cabling core and an outer sheath covering the cabling core; the cabling core includes: four main core wires and a filling layer; the four main core wires are symmetrically arranged in the cabling inner core in pairs; each main core wire comprises a plurality of thin conductors, crossed isolation layers, core wire isolation layers and insulating outer layers; the insulating outer layer and the core wire isolating layer are sequentially coated on the periphery of the whole thin conductor from outside to inside; the cross isolation layer divides the plurality of thin conductors into four equal parts and isolates the thin conductors from each other; the filling layer is filled in gaps among the main core wires and integrally wraps all the main core wires. The four main core wires are symmetrically arranged pairwise, the thin conductors are divided into four equal parts by the crossed isolation layers so as to compress the movable gaps among the thin conductors, and under the fixing action of the first filling layer, the whole structure of the cable is uniform and stable, the cable is not easy to deform, and the bearing capacity, the tensile strength and the fracture resistance of the cable are improved; and reduce mutual interference.

For another example, patent No. CN204614494U discloses a mineral fireproof cable, which includes a conductor core, a mineral insulating layer, a wrapped mica tape layer, a flame-retardant filler layer, a mineral fireproof heat-insulating layer, a ceramic silicone rubber layer and a flame-retardant sheath; the mineral insulating layer is coated on the conductor wire core; the lapped mica tape layer is coated on the mineral insulating layer; the mineral fireproof heat-insulating layer is sleeved on the lapping mica tape layer; a flame-retardant filler layer is arranged between the mineral fireproof heat-insulating layer and the wrapped mica tape layer; the mineral fireproof heat-insulating layer is coated with a flame-retardant protective sleeve. The utility model discloses fire behavior is high, and the compliance is strong, and explosion-proof capability is ideal, and long service life has good electrical property, and application scope is extensive.

Based on the above, current cable fire behavior is relatively poor, leads to can not provide longer rescue time when the conflagration breaing out, is difficult to guarantee the retention capacity of cable under unexpected condition, and the cable in addition is not enough to the protective capacities of cable core, leads to the cable core impaired because of the influence of external force easily.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a mineral fireproof cable is provided in order to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mineral substance fireproof cable to it is relatively poor to solve the current cable fire behavior who provides in the above-mentioned background art, leads to can not provide longer rescue time when the conflagration breaing out, is difficult to guarantee the retention capacity of cable under the unexpected condition, and the cable in addition is not enough to the protective capacities of cable core, leads to the impaired problem of cable core because of the influence of external force easily.

The utility model relates to a purpose and efficiency of mineral substance fireproof cable is reached by following specific technological means:

a mineral fire-protected cable comprising: an outer layer; the outer layer also comprises a storage layer; the top of the outer layer is provided with a storage layer, and an expansion type fireproof coating is stored in the storage layer; a mineral fireproof layer is adhered to the inner wall of the outer layer; an aluminum alloy interlocking armor is adhered to the inner wall of the mineral fireproof layer; a buffer layer is adhered to the inner wall of the aluminum alloy interlocking armor; a filling layer is adhered to the inner wall of the buffer layer, and the top of the filling layer is provided with a slotted hole; and a cable core is fixedly arranged in the slotted hole of the filling layer.

Furthermore, the outer layer is made of polyethylene material, and a layer of anticorrosive paint is sprayed on the outer wall of the outer layer.

Furthermore, the thickness of the mineral fireproof layer is 3-5mm, and the inner wall of the mineral fireproof layer is tightly attached to the outer wall of the aluminum alloy interlocking armor.

Further, the outer wall of the aluminum alloy interlocking armor is of an annular structure.

Further, the buffer layer also comprises foam balls; the buffer layer is made of glass wool, and the top of the buffer layer is provided with a slotted hole; the slotted hole at the top of the buffer layer is filled with foam balls.

Furthermore, the filling layer also comprises an insulating layer; and insulating layers are fixedly arranged in the filling layer corresponding to the number of the cable cores.

Furthermore, the cable core also comprises a mesh braid layer; the outer side of the cable core is wrapped with a mesh braid; the outer side of the reticular braided layer is galvanized, and the reticular braided layer is made of copper material.

Compared with the prior art, the utility model discloses following beneficial effect has:

through being provided with mineral substance flame retardant coating and skin, the fire prevention degree of this cable of promotion that can be very big through add the intumescent fire retardant coating in storage layer, can expand by oneself and live the outer parcel of cable when meeting fire, protects the cable of inside, and outer inside mineral substance flame retardant coating in addition has, as the second way insurance, the fire-protection ability of reinforcing cable that can be very big has increased the save time of cable under the unexpected circumstances.

Through being provided with chain armour of aluminum alloy and buffer layer, through the crushing resistance of chain armour of aluminum alloy reinforcing cable that can be very big, prevent to receive the damage because the extrusion deformation who receives external force leads to the cable inside, can absorb the vibrations of most external production through the intraformational foam ball of buffer to can strengthen the intensity and the incorruptibility of cable.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of the outer layer structure of the present invention.

Fig. 3 is a schematic diagram of the structure of the filling layer of the present invention.

Figure 4 is the utility model discloses an aluminum alloy chain armor structure sketch map.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer layer; 101. a storage layer; 2. a mineral fire barrier; 3. aluminum alloy chain armor; 4. a buffer layer; 401. a foam ball; 5. a filling layer; 501. an insulating layer; 6. a cable core; 601. a mesh braid.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. 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 figures 1 to 4:

the utility model provides a mineral substance fireproof cable, include: an outer layer 1; the outer layer 1 also comprises a storage layer 101; the top of the outer layer 1 is provided with a storage layer 101, and the storage layer 101 is internally stored with an expansion type fireproof coating; the inner wall of the outer layer 1 is stuck with a mineral fireproof layer 2; the inner wall of the mineral fireproof layer 2 is adhered with an aluminum alloy chain armor 3; the inner wall of the aluminum alloy interlocking armor 3 is provided with a buffer layer 4 in a sticking way; a filling layer 5 is adhered to the inner wall of the buffer layer 4, and the top of the filling layer 5 is provided with a slotted hole; a cable core 6 is fixedly arranged in the slotted hole of the filling layer 5.

Wherein, the outer layer 1 is made of polyethylene material, and a layer of anticorrosive paint is sprayed on the outer wall of the outer layer 1.

The thickness of the mineral fireproof layer 2 is 3-5mm, and the inner wall of the mineral fireproof layer 2 is tightly attached to the outer wall of the aluminum alloy interlocking armor 3.

Wherein, the outer wall of the aluminum alloy chain armor 3 is of a ring structure.

Wherein, the buffer layer 4 also comprises a foam ball 401; the buffer layer 4 is made of glass wool, and the top of the buffer layer 4 is provided with a slotted hole; the slotted hole at the top of the buffer layer 4 is filled with a foam ball 401.

Wherein, the filling layer 5 further comprises an insulating layer 501; the filling layer 5 is fixedly provided with insulating layers 501 corresponding to the number of the cable cores 6.

Wherein, the cable core 6 also comprises a mesh braid 601; the outer side of the cable core 6 is wrapped with a mesh braid 601; the outer side of the mesh braid 601 is galvanized, and the mesh braid 601 is made of copper material.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, through storing expansion type fire prevention coating in outer 1's storage layer 101, can burn storage layer 101 after meeting the fire when, fire prevention coating in the storage layer 101 can expand and wrap up the cable of inlayer, after fire prevention coating is burnt out, mineral substance flame retardant coating 2 can provide second floor fire prevention effect, the chain armour 3 of aluminum alloy can provide rigid holding power and protection for the cable, buffer layer 4 can absorb external vibrations, thereby can protect the mars, the insulating layer 501 that sets up in filling layer 5 can prevent the interference of each other between cable core 6.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A mineral fire-resistant cable, comprising: an outer layer (1); the outer layer (1) also comprises a storage layer (101); the top of the outer layer (1) is provided with a storage layer (101), and an expansion type fireproof coating is stored in the storage layer (101); a mineral fireproof layer (2) is adhered to the inner wall of the outer layer (1); the inner wall of the mineral fireproof layer (2) is adhered with an aluminum alloy interlocking armor (3); the inner wall of the aluminum alloy interlocking armor (3) is provided with a buffer layer (4) in a sticking mode; a filling layer (5) is adhered to the inner wall of the buffer layer (4), and a slotted hole is formed in the top of the filling layer (5); and a cable core (6) is fixedly arranged in the slotted hole of the filling layer (5).

2. A mineral fire-resistant cable according to claim 1, wherein: the outer layer (1) is made of polyethylene materials, and a layer of anticorrosive paint is sprayed on the outer wall of the outer layer (1).

3. A mineral fire-resistant cable according to claim 1, wherein: the thickness of the mineral fireproof layer (2) is 3-5mm, and the inner wall of the mineral fireproof layer (2) is tightly attached to the outer wall of the aluminum alloy interlocking armor (3).

4. A mineral fire-resistant cable according to claim 1, wherein: the outer wall of the aluminum alloy interlocking armor (3) is of an annular structure.

5. A mineral fire-resistant cable according to claim 1, wherein: the buffer layer (4) also comprises a foam ball (401); the buffer layer (4) is made of glass wool, and the top of the buffer layer (4) is provided with a slotted hole; the slotted hole at the top of the buffer layer (4) is filled with a foam ball (401).

6. A mineral fire-resistant cable according to claim 1, wherein: the filling layer (5) also comprises an insulating layer (501); and insulating layers (501) are fixedly arranged in the filling layer (5) corresponding to the number of the cable cores (6).

7. A mineral fire-resistant cable according to claim 1, wherein: the cable core (6) also comprises a mesh braid layer (601); the outer side of the cable core (6) is wrapped with a mesh braid layer (601); the outer side of the mesh-shaped braided layer (601) is galvanized, and the mesh-shaped braided layer (601) is made of copper materials.