CN110164614B - Composite fireproof cable - Google Patents
Composite fireproof cable Download PDFInfo
- Publication number
- CN110164614B CN110164614B CN201910489633.6A CN201910489633A CN110164614B CN 110164614 B CN110164614 B CN 110164614B CN 201910489633 A CN201910489633 A CN 201910489633A CN 110164614 B CN110164614 B CN 110164614B
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- China
- Prior art keywords
- cable
- fixing piece
- protection
- layer
- rods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
Abstract
The invention discloses a composite fireproof cable, which comprises a cable outer tegument, wherein more than one fixing piece is arranged on the cable outer tegument at equal intervals, a gap section is formed between every two adjacent fixing pieces, more than one protective rod is arranged in each gap section, the more than one protective rod is arranged around the cable outer tegument in a circle, the adjacent protective rods are sealed through a fireproof layer, the bottoms of the more than one protective rods are inserted into the fixing pieces at the bottoms, and the protective rods are bent relative to the fixing pieces at the bottoms.
Description
Technical Field
The invention relates to a cable, in particular to a composite fireproof cable.
Background
The cable has the level to lay, also has the vertical suspension to lay, and exposes the cable in the air, can be burnt down because indoor conflagration that takes place, and indoor has more suspension type cable, and these cables can directly lead to outer tegillum to catch fire because of flame when indoor getting on fire, and then lead to whole cable to be burnt down for communication and power interruption cause more serious economic loss.
Disclosure of Invention
The invention aims to solve the technical problem of providing a composite fireproof cable, which can be used for opening an annular protective umbrella in a flame state so as to protect the cable, win more fire extinguishing time for rescue workers and increase the safety of the cable.
The invention is realized by the following technical scheme: a composite fireproof cable comprises a cable outer tegument, wherein more than one fixing piece is arranged on the cable outer tegument at equal intervals, a gap section is formed between every two adjacent fixing pieces, more than one protection rod is arranged in each gap section, the more than one protection rod is arranged around the cable outer tegument in a circle, the adjacent protection rods are sealed through a fireproof layer, the bottoms of the more than one protection rods are inserted into the fixing pieces at the bottoms, the protection rods are bent relative to the fixing pieces at the bottoms, the movable ends at the tops of the protection rods are close to the fixing pieces at the tops, the fireproof layers wrap the outsides of the cable outer tegument, the movable ends at the tops of the protection rods are connected with the fixing pieces at the tops through pulling ropes, convex parts with the outer diameters smaller than that of the fixing pieces are arranged on the lower end faces of the fixing pieces, and the movable ends at the; all be equipped with a flame retardant coating between the adjacent protective rod and seal, the flame retardant coating sets up the tegument outside the parcel cable along with the circle of protective rod.
As a preferred technical scheme, more than one protection rod all adopts an elastic metal rod, and the protection rod and the fixing piece form an included angle of 90 degrees in a natural state.
According to the preferable technical scheme, the top of the pulling rope is embedded into a first jack arranged on the lower end face of the fixing piece and is fixed by glue, the bottom of the pulling rope is embedded into a second jack arranged on the top of the protection rod and is fixed by glue, and the protection rod is limited by the pulling rope and is guaranteed to be tightly attached to the outer side face of the outer layer of the cable.
According to a preferable technical scheme, a fireproof coating layer is coated on the outer wall surface of the protective rod, the fireproof layer and the outer layer of the cable, and the fireproof layer is an elastic rubber layer.
According to the preferable technical scheme, a circular through hole is formed in the middle of each fixing piece, the cable outer layer penetrates through the through hole in the middle of each fixing piece and is fixed with the inner wall of the through hole in a glue applying mode, and the cable core wires are arranged inside the cable outer layer.
As a preferred technical scheme, the fixing pieces are all metal pieces.
The invention has the beneficial effects that: the invention is mainly used for longitudinally arranging the cables, has very good fireproof performance, can effectively isolate the fire source at the bottom, wins more time for rescue and increases the use safety of the core wire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention with the fire-retardant layer removed;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
fig. 4 is a schematic structural view of the expanded fireproof layer of the invention.
Detailed Description
As shown in fig. 1 and fig. 2, the composite fireproof cable comprises a cable outer layer 1, more than one fixing piece 3 is equidistantly arranged on the cable outer layer 1, a gap section is formed between every two adjacent fixing pieces 3, more than one protection rod 4 is arranged in each gap section, more than one protection rod 4 is arranged around the cable outer layer 1 in a circle, the adjacent protection rods 4 are sealed by a fireproof layer 5, the bottoms of more than one protection rods 4 are inserted into the fixing pieces 3 at the bottom, the protection rods 4 are bent relative to the fixing pieces at the bottom, the top movable end of each protection rod 4 is close to the fixing piece 3 on the top, the fireproof layer 5 is wrapped outside the cable outer layer 1, the top movable ends of the protection rods 4 are connected with the fixing piece 3 on the top through a traction rope 8, the lower end face of each fixing piece 3 is provided with a convex part 2 with the outer diameter smaller than that of the fixing piece, and the top movable ends of more than one protection rod 4 are buckled on the convex parts 2; a fireproof layer 5 is arranged between every two adjacent protective rods 4 for sealing, and the fireproof layer 5 is arranged along with the ring shape of the protective rods and wraps the cable outer tegument 1.
Wherein, more than one protection rod 4 all adopts an elastic metal pole, and protection rod 4 is 90 degrees contained angles with the mounting when natural state, as shown in fig. 1, is the state of strutting this moment, but when normal condition, protection rod 4 bends and perpendicular to horizontal plane, utilizes pull rope 8 fixed this moment, prevents that elastic protection rod 4 from strutting, and it reaches the purpose of protection cable with 5 parcels in the outside of cable tegillum 1 outside of flame retardant coating.
In this embodiment, as shown in fig. 3, the top of pulling rope 8 all imbeds and sets up in the first jack of terminal surface under the mounting and beats glue water fixed, the bottom of pulling rope 8 all imbeds and sets up in the second jack that guard bar 4 tops were seted up and beats glue water fixed, guard bar 4 is spacing through pulling rope 8 and guarantees that the guard bar hugs closely cable tegument lateral surface, when the conflagration breaing out, the pulling rope is burnt off, the guard bar loses spacing back and pops open naturally this moment, as shown in fig. 4, strut a guard net this moment, the flame of bottom is cut off by more than one guard net this moment, can't burn cable tegument, have very good fire-proof performance, utilize the guard net who struts to win the protection of flame, for the rescue more time.
The outer wall surfaces of the protective rod 4, the fireproof layer 5 and the cable outer tegument layer are coated with a fireproof coating layer, the fireproof layer 5 is an elastic rubber layer, when a fire disaster occurs, the fireproof layer 5 and the protective rod 4 are firstly used for preventing fire, and finally, the outer tegument layer coated with fireproof coating is used for preventing fire, so that more time is won for rescue.
Wherein, as shown in fig. 4, a circular shape through-hole 6 is all seted up in the centre of mounting 3, and the cable tegument 1 passes through the through-hole 6 in the middle of each mounting 3 and beats glue water with the 6 inner walls of through-hole and fixes, places the cable tegument inside in the cable heart yearn, and mounting 3 is a metalwork, and mounting 3 uses as fixed, uses as the connection location of each guard bar.
The invention has the beneficial effects that: the invention is mainly used for longitudinally arranging the cables, has very good fireproof performance, can effectively isolate the fire source at the bottom, wins more time for rescue and increases the use safety of the core wire.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (5)
1. A composite fireproof cable is characterized in that: the cable outer tegument comprises a cable outer tegument, wherein more than one fixing piece is arranged on the cable outer tegument at equal intervals, a section of gap section is formed between every two adjacent fixing pieces, more than one protection rod is arranged in each gap section, and the more than one protection rods are arranged around the cable outer tegument in a circle;
the bottom of each protection rod is inserted into the fixing piece at the bottom, the protection rods are bent relative to the fixing piece at the bottom, the movable ends at the tops of the protection rods are close to the fixing piece at the top, and the movable ends at the tops of the protection rods are connected with the fixing piece at the top through a traction rope;
the lower end face of each fixed piece is provided with a convex part with the outer diameter smaller than that of the fixed piece, and the movable ends of the tops of more than one protection rods are buckled on the convex parts;
a fireproof layer seal is arranged between every two adjacent protective rods, and the fireproof layer wraps the cable outer tegument layer along with the ring-shaped arrangement of the protective rods;
the more than one protection rods are all elastic metal rods, and when the tops of the protection rods are connected with the fixing piece through the pulling rope, the protection rods and the horizontal plane where the fixing piece is located form an included angle of 90 degrees;
after the top of the protection rod is separated from the top fixing piece, the protection rod is dumped to the horizontal plane where the bottom fixing piece is located to drive the fireproof layer to be unfolded to form a circular fireproof area.
2. The composite fire-resistant cable of claim 1, wherein: the top of the traction rope is embedded into a first jack arranged on the lower end face of the fixing piece and is fixed by glue, the bottom of the traction rope is embedded into a second jack arranged on the top of the protection rod and is fixed by glue, and the protection rod is limited by the traction rope and is guaranteed to be tightly attached to the outer side face of the cable jacket.
3. The composite fire-resistant cable of claim 1, wherein: and a fireproof coating layer is coated on the outer wall surface of the protective rod, the fireproof layer and the outer layer of the cable, and the fireproof layer is an elastic rubber layer.
4. The composite fire-resistant cable of claim 1, wherein: a circular through hole is formed in the middle of each fixing piece, the outer cable layer penetrates through the through hole in the middle of each connecting piece and is fixed with the inner wall of the through hole in a glue mode, and the cable core wires are arranged inside the outer cable layer.
5. The composite fire-resistant cable of claim 1, wherein: the fixing piece is a metal piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489633.6A CN110164614B (en) | 2019-06-06 | 2019-06-06 | Composite fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489633.6A CN110164614B (en) | 2019-06-06 | 2019-06-06 | Composite fireproof cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110164614A CN110164614A (en) | 2019-08-23 |
| CN110164614B true CN110164614B (en) | 2020-10-02 |
Family
ID=67627892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489633.6A Active CN110164614B (en) | 2019-06-06 | 2019-06-06 | Composite fireproof cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN110164614B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111724941B (en) * | 2020-07-05 | 2021-09-24 | 金象线缆有限公司 | Fireproof cable for shaft |
| CN112530634B (en) * | 2020-11-30 | 2022-05-10 | 沧州会友线缆股份有限公司 | Fireproof cable |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447847A (en) * | 1977-02-22 | 1984-05-08 | Drulard Norman R | Portable lightning rod |
| US5798482A (en) * | 1997-01-23 | 1998-08-25 | Reeves; Michael John | Lightning protection device |
| JP5159412B2 (en) * | 2008-04-24 | 2013-03-06 | 中国電力株式会社 | Safety equipment |
| CN104248144A (en) * | 2014-10-05 | 2014-12-31 | 钟琳 | Spherical fireproof equipment |
| CN205845560U (en) * | 2016-08-05 | 2016-12-28 | 刘惠云 | Fireproof cable |
| CN108096740A (en) * | 2017-12-26 | 2018-06-01 | 大连民族大学 | A kind of hand-held fire-extinguisher |
| CN109065249A (en) * | 2018-08-02 | 2018-12-21 | 安徽扬子线缆有限公司 | A kind of safe environment protection type low-voltage power control composite cable |
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2019
- 2019-06-06 CN CN201910489633.6A patent/CN110164614B/en active Active
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| Publication number | Publication date |
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| CN110164614A (en) | 2019-08-23 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200904 Address after: 225000, No. 6, Pioneer Road, Sha Tau Town, Guangling District, Jiangsu, Yangzhou Applicant after: JIANGSU DICHENG CABLE Co.,Ltd. Address before: 315100 Betel Electronics Factory, No. 2, Lane 5, Shuangyu Road, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Tan Xingliang |
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| GR01 | Patent grant |