CN111724941B - Fireproof cable for shaft - Google Patents
Fireproof cable for shaft Download PDFInfo
- Publication number
- CN111724941B CN111724941B CN202010636618.2A CN202010636618A CN111724941B CN 111724941 B CN111724941 B CN 111724941B CN 202010636618 A CN202010636618 A CN 202010636618A CN 111724941 B CN111724941 B CN 111724941B
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- CN
- China
- Prior art keywords
- cable
- water storage
- strip
- strips
- storage bag
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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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
- H01B7/0045—Cable-harnesses
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
Abstract
The invention discloses a fireproof cable for a vertical shaft, which comprises a cable main body, wherein the middle section of the cable main body is broken, the cable main body is connected with the upper end and the lower end through more than one cable strip, the more than one cable strips are mutually spliced to form a circular structure, a splicing seam is reserved between every two adjacent cable strips, a connecting structure is arranged in each splicing seam, the cable strips on the adjacent sides are connected through the connecting structure, a closed fixed channel is formed in the middle of the more than one cable strip, an elastic water storage bag is arranged at the topmost part of the fixed channel, and the elastic water storage bag is flattened into a strip shape through the cable strips. The fireproof cable is mainly applied to a cable shaft, and can realize the separation of the cable and treat flame at a spontaneous combustion position after the cable is locally spontaneously combusted, so that the cable is rapidly extinguished, the flame transmission among the cables is prevented, and the combustion of the whole building body caused by the fire of the cable shaft is prevented.
Description
Technical Field
The invention relates to a cable, in particular to a fireproof cable for a vertical shaft.
Background
Various vertical shaft pipelines are often arranged in the building, such as staircases, elevator shafts, cable shafts, garbage shafts, ventilation shafts, smoke exhaust shafts and the like, penetrate through a plurality of floors or even all floors, and as high-rise buildings are continuously increased, cable shaft fire disasters occur occasionally. The wire and cable in the cable well is used all year round, the ageing condition easily takes place, if daily maintenance is untimely this moment, in case the insulating piece is damaged, the short circuit easily takes place and fires. And once a fire disaster happens, a large amount of heat carried by fire smoke rapidly flows through the cable well and is diffused to the whole building, high-temperature dense smoke rushes to where the combustible substances can be burnt, and the fire spread is accelerated.
At present, cables in a cable shaft are vertically hung in the cable shaft, because the structure of the cables is the same as that of a common cable, once one of the cables is spontaneously combusted, flame of the spontaneously combusted cable can be rapidly transmitted to the cables on the edge, other cables are ignited, the whole cable shaft is finally combusted, the whole building is ignited, and the fireproof requirement for the cables in the cable shaft is higher.
Disclosure of Invention
The invention aims to solve the technical problem that the fireproof cable for the vertical shaft can achieve the purpose of fire extinguishing when spontaneous combustion occurs, prevent flame transmission among cables, solve the problem of building combustion caused by cable ignition in a cable shaft and be safer to use.
The invention is realized by the following technical scheme: the utility model provides a fireproof cable for shaft, including the cable main part, the cable main part interlude is broken, and connect the cable main part of lower extreme through the cable strip more than, splice mutually between the cable strip more than and constitute a circular structure, all leave a concatenation seam between the adjacent cable strip, be provided with connection structure in the concatenation seam, the cable strip of adjacent side is connected through connection structure, form a confined fixed passage in the middle of the cable strip more than, set up an elasticity water storage bag at fixed passage's top, the elasticity water storage bag flattens into the strip through each cable strip, it all sets up a sliding sleeve to face every cable strip on the elasticity water storage bag outer wall, sliding sleeve slidable mounting is on every cable strip.
As the preferred technical scheme, a water storage cavity is formed in the elastic water storage bag, water is filled in the water storage cavity, the whole elastic water storage bag is made of elastic rubber materials with deformation recovery capacity, and the whole elastic water storage bag is made of elastic rubber materials.
As a preferable technical scheme, the whole elastic water storage bag is pressed and positioned at the top of the cable bar through more than one cable bar.
As preferred technical scheme, every cable strip is inside all to be provided with independent cable conductor, and cable conductor's both ends are passed the cable main part and are inserted in the outside.
As an optimal technical scheme, more than one connecting line with ignition capacity is adopted in the connecting structure, the two sides of the connecting line are respectively injected inside the cable strips on the two sides, the cable strips on the two sides are pulled by the two sides of the connecting line, the more than one connecting lines are distributed at equal intervals from bottom to top, and the connecting line avoids the installation position of the sliding sleeve.
As a preferred technical scheme, the cable strip and the cable main body are integrally formed by injection molding.
As an optimized technical scheme, a sliding cavity with openings at two sides is arranged in the sliding sleeve, a small water outlet hole is formed between the sliding cavity and the water storage cavity, more than one groove is formed in one side of the cable strip, which is opposite to the small water outlet hole, from top to bottom, when the small water outlet hole faces the groove, water in the water storage cavity flows into the groove through the small water outlet hole, and after the elastic water storage bag is flattened, the groove and the small water outlet hole are staggered, and the small water outlet hole is sealed through the cable strip.
As the preferred technical scheme, the exterior of the cable strip and the exterior of the cable main body are coated with fireproof coating layers.
The invention has the beneficial effects that: according to the invention, when a certain local cable is natural, the elastic water storage bag is utilized to open all the cable strips, so that the distance between cable heads is increased, flames can not be transmitted between the cable strips, and the gravity of the elastic water storage bag is rapidly utilized to extinguish the fire, so that the flames between the cables can not be transmitted mutually, and the purpose of rapidly extinguishing the fire is achieved.
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 an overall external structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a view showing the opened state of the elastic water storage bag according to the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 5 is an assembly view of the elastic water storage bag and the cable bar of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the fireproof cable for the shaft comprises a cable main body 1, wherein the middle section of the cable main body 1 is broken, the cable main body 1 at the upper end and the lower end is connected through more than one cable strip 4, the more than one cable strips 4 are spliced with each other to form a circular structure, a splicing seam is reserved between every two adjacent cable strips 4, a connecting structure is arranged in the splicing seam, the cable strips 4 at the adjacent sides are connected through the connecting structure, a closed fixed channel 6 is formed in the middle of the more than one cable strip 4, an elastic water storage bag 5 is arranged at the topmost part of the fixed channel 6, the elastic water storage bag 5 is flattened into a strip shape through the cable strips, a sliding sleeve 2 is arranged on the outer wall surface of the elastic water storage bag 5 and is opposite to each cable strip, and the sliding sleeve 2 is slidably arranged on each cable strip 4.
Wherein, elasticity water storage bag 5 inside has a water storage chamber 51, and water storage chamber 51 is inside to be filled with water, and whole elasticity water storage bag 5 adopts the elastic rubber material of deformation resilience to make, when the cable normal use, connects through connection structure between all the cable strips, consequently can be the strip with elasticity water storage bag clamp plate, as shown in figure 1, the banding elasticity water storage bag rigidity of this moment can not slide down, and it is spacing that the colleague sliding sleeve also passes through connection structure.
In this embodiment, whole elasticity water storage bag 5 compresses tightly the top position of location at cable strip 4 through more than one cable strip 4, and every cable strip 4 is inside all to be provided with independent cable conductor 3, and cable main part 1 is passed and access in the outside at the both ends of cable conductor 3. After the elastic water storage bag 5 recovers deformation, all cable strips can be unfolded, as shown in fig. 3, the distance between the cable core wires 3 is enlarged, and at the moment, flame is difficult to transfer.
As shown in fig. 4, the connecting structure adopts more than one connecting line 21 with ignition capability, two sides of the connecting line 21 are respectively injected inside the cable strips 4 on two sides, the cable strips 4 on two sides are pulled by two sides of the connecting line 21, the more than one connecting lines are distributed at equal intervals from bottom to top, and the connecting line 21 avoids the installation position of the sliding sleeve. The structure of connecting wire 21 must be combustible, its quantity is few, flame can make its quick fusing and produce the flame in the little space after 21 contacts with connecting wire, flame rises along the connecting wire that easily fires, continuous fusing connecting wire, the quantity of the connecting wire of fusing this moment is more, just for the less with spacing clamp force to elasticity water storage bag, when fusing to being close to elasticity water storage bag, elasticity water storage bag resumes deformation, make it become a globular, whole elasticity water storage bag slides down along the cable strip fast under the dead weight effect this moment, the slip in-process, utilize the physical contact of sliding sleeve with the cable strip, the realization is put out a fire to the cable strip of department of catching fire, reach the purpose of putting out a fire fast.
In this embodiment, the cable strip 4 and the cable body 1 are integrally injection-molded, as shown in fig. 5, a sliding cavity with openings at both sides is formed inside the sliding sleeve, a small water outlet hole 52 is formed between the sliding cavity and the water storage cavity, more than one groove 41 is formed in one side of the cable strip opposite to the small water outlet hole 52 from top to bottom, when the small water outlet hole faces the groove 41, water in the water storage cavity flows into the groove 41 through the small water outlet hole, after the elastic water storage bag 5 is flattened, the groove 41 and the small water outlet hole 52 are staggered, the small water outlet hole is sealed by the cable strip, and when the sliding sleeve slides, the sliding sleeve can take part of water inside the elastic water storage bag out of the cable strip, so as to cool the cable strip and improve the fire extinguishing capability of the sliding sleeve.
In this embodiment, the outside of cable strip 4 and cable main body 1 has all been paintd fireproof paint layer, further increases fire behavior through scribbling fireproof paint for the cable is difficult to the burning.
The invention has the beneficial effects that: according to the invention, when a certain local cable is natural, the elastic water storage bag is utilized to open all the cable strips, so that the distance between cable heads is increased, flames can not be transmitted between the cable strips, and the gravity of the elastic water storage bag is rapidly utilized to extinguish the fire, so that the flames between the cables can not be transmitted mutually, and the purpose of rapidly extinguishing the fire is achieved.
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 (6)
1. The utility model provides a fireproof cable for shaft which characterized in that: the cable comprises a cable main body, wherein the middle section of the cable main body is broken, the cable main body at the upper end and the lower end is connected through more than one cable strip, the more than one cable strips are mutually spliced to form a circular structure, a splicing seam is reserved between every two adjacent cable strips, a connecting structure is arranged in the splicing seam, the cable strips at the adjacent sides are connected through the connecting structure, a closed fixed channel is formed in the middle of the more than one cable strip, an elastic water storage bag is arranged at the topmost part of the fixed channel, the elastic water storage bag is flattened into a strip shape through the cable strips, a sliding sleeve is arranged on the outer wall surface of the elastic water storage bag and faces each cable strip, and the sliding sleeve is slidably mounted on each cable strip;
the connecting structure adopts more than one connecting wire with ignition capability, two sides of the connecting wire are respectively injected into the cable strips at two sides, the cable strips at two sides are pulled by two sides of the connecting wire, the more than one connecting wires are distributed at equal intervals from bottom to top, and the connecting wire avoids the installation position of the sliding sleeve;
the sliding sleeve is internally provided with a sliding cavity with openings at two sides, a small water outlet hole is arranged between the sliding cavity and the water storage cavity, more than one groove is arranged on one side of the cable strip opposite to the small water outlet hole from top to bottom, when the small water outlet hole faces the groove, water in the water storage cavity flows into the groove through the small water outlet hole, and after the elastic water storage bag is flattened, the groove and the small water outlet hole are staggered, and the small water outlet hole is sealed through the cable strip.
2. A fireproof cable for a shaft as claimed in claim 1, wherein: the elastic water storage bag is internally provided with a water storage cavity, the water storage cavity is filled with water, and the whole elastic water storage bag is made of elastic rubber materials with deformation recovery capability.
3. A fireproof cable for a shaft as claimed in claim 1, wherein: the whole elastic water storage bag is pressed and positioned at the top of the cable bar through more than one cable bar.
4. A fireproof cable for a shaft as claimed in claim 1, wherein: the inside independent cable conductor that all is provided with of every cable bar, the cable main part is passed and access in the outside at the both ends of cable conductor.
5. A fireproof cable for a shaft as claimed in claim 1, wherein: the cable strip and the cable main body are integrally formed by injection molding.
6. A fireproof cable for a shaft as claimed in claim 1, wherein: and fireproof coating layers are coated on the outer parts of the cable strips and the cable main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636618.2A CN111724941B (en) | 2020-07-05 | 2020-07-05 | Fireproof cable for shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636618.2A CN111724941B (en) | 2020-07-05 | 2020-07-05 | Fireproof cable for shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111724941A CN111724941A (en) | 2020-09-29 |
| CN111724941B true CN111724941B (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010636618.2A Active CN111724941B (en) | 2020-07-05 | 2020-07-05 | Fireproof cable for shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN111724941B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530634B (en) * | 2020-11-30 | 2022-05-10 | 沧州会友线缆股份有限公司 | Fireproof cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080000700U (en) * | 2007-12-13 | 2008-04-28 | 김윤형 | A Electric line ties |
| WO2017026912A1 (en) * | 2015-08-13 | 2017-02-16 | Николай ДАНИЕЛЯН | Section of current conductor |
| CN208607953U (en) * | 2018-07-11 | 2019-03-15 | 广东欢联电子科技有限公司 | A kind of cable with flame retarding function |
| CN109791819A (en) * | 2017-05-22 | 2019-05-21 | 韩国电力公社 | Self-extinguishment power cable and its manufacturing method with microcapsules |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101202473B1 (en) * | 2011-04-08 | 2012-11-16 | 주식회사 경신전선 | Halogen free flame-retardant composition for elevator transfer cable with electric insulation |
| CN207425446U (en) * | 2017-11-20 | 2018-05-29 | 济南圣通电力线缆有限公司 | A kind of fireproof cable |
| CN110164614B (en) * | 2019-06-06 | 2020-10-02 | 江苏帝诚线缆有限公司 | Composite fireproof cable |
| CN110580978B (en) * | 2019-09-17 | 2020-12-04 | 磐安县阳丹科技有限公司 | Composite cable |
| CN111710462B (en) * | 2020-07-08 | 2021-12-28 | 湖南湘联电缆有限公司 | Thermal lodging type low-aging-speed cable |
-
2020
- 2020-07-05 CN CN202010636618.2A patent/CN111724941B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080000700U (en) * | 2007-12-13 | 2008-04-28 | 김윤형 | A Electric line ties |
| WO2017026912A1 (en) * | 2015-08-13 | 2017-02-16 | Николай ДАНИЕЛЯН | Section of current conductor |
| CN109791819A (en) * | 2017-05-22 | 2019-05-21 | 韩国电力公社 | Self-extinguishment power cable and its manufacturing method with microcapsules |
| CN208607953U (en) * | 2018-07-11 | 2019-03-15 | 广东欢联电子科技有限公司 | A kind of cable with flame retarding function |
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| CN111724941A (en) | 2020-09-29 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Limin Inventor after: Zhang Lijun Inventor before: Wu Limin |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210830 Address after: 055550 Hou Kou Xiang Dong Cao Zhuang Cun Bei, Ningjin County, Xingtai City, Hebei Province Applicant after: Jinxiang Cable Co.,Ltd. Address before: No.2 xinwulang, Yuanyang village, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: Wu Limin |
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