CN208748866U - A kind of cable shaft isolation closure fire proof construction - Google Patents
A kind of cable shaft isolation closure fire proof construction Download PDFInfo
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- CN208748866U CN208748866U CN201821369137.4U CN201821369137U CN208748866U CN 208748866 U CN208748866 U CN 208748866U CN 201821369137 U CN201821369137 U CN 201821369137U CN 208748866 U CN208748866 U CN 208748866U
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- fireproof box
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Abstract
The utility model relates to cable shafts, and blocking technology field is isolated, it is isolated more particularly to a kind of cable shaft and blocks fire proof construction, including floor, including fire-proof plate, fireproof box and cable, fire-proof plate is fixed on the outside of the floor, fireproof box is fixed on the inside of the floor, the cable passes through fireproof box, floor and fire-proof plate, fire prevention calking layer is filled at gap at gap between the cable and fireproof box and between the cable and fire-proof plate, the fire-proof plate, the threading hole that multiple current supply cables pass through is provided on fireproof box and floor, filled with fire prevention mud layer at gap between the fire-proof plate and cable, the fireproof box Corner Strapped has fixed block, in the case where high temperature and fire occur, closure can effectively be isolated, and S type automatic gasoloid extinguisher is installed in the space after the completion of blocking, together When can completely cut off flue gas, flame is fled, to reach strong and weak electricity vertical shaft road fireproof effect.
Description
Technical field
The utility model relates to cable shafts, and blocking technology field is isolated, and in particular to a kind of cable shaft isolation closure is anti-
Fiery structure.
Background technique
With urban and rural residents, China house class building towards centralization, three-dimensional, structure is complicated change etc. directions develop it is same
When, because building power electric channel missing fire safety protecting or protection are not in place, a large amount of fire hazard is formd, over the years
Also therefore lead to the severe electrical fire of many social influences in nationwide, causes the casualties that can not be retrieved and wealth
Produce loss.It is counted according to state ministry of public security Fire Department authority, electrical fire is 26.8% (in various fire in national fire in 2017
Fire specific gravity caused by middle electrical cause is maximum), wherein vertical shaft fire because " stack effect " obviously, fire spreading is fast, and burning is fast
Speed, in unobstructed situation, the skyscraper for being 100 meters for a seat height degree, or so half a minute, flue gas can expand along vertical shaft
It is scattered to top layer, each pipe well flue gas diffusion velocity is then up to (3-4) meter per second, ten times or more be horizontally oriented, and skyscraper
The vertical hoistway such as staircase, elevator, piping shaft, air duct, cable shaft it is more, if fire separation processing is bad, fire will be made
Burning is fierce, caused by lose it is especially huge.Therefore, the reliability of borehole cable channel security protection is promoted extremely urgent.Such as
What, which carries out effective isolation to strong and weak electricity cable shaft, blocks, and is prevented fires using fixed automatic fire extinguisher, realizes small without safeguarding
The security protection in area strong and weak electricity borehole cable channel is even more important.
Currently, relevant national standard GB50016 " Code for fire protection design of buildings ", GB50217 " power engineering cable design "
And " State Grid Corporation of China's cable laying modular design fire protection technology " carries out fireproof blocking to cable shaft and installs additional automatic
Extinguishing device clearly requires and provides, but reality is that the cable shafts of pervious old-fashioned building is not isolated mostly
It blocks, and the lack of standardization or automatic fire extinguisher without installing the electrical fire that can go out additional, however it remains great security risk.
Utility model content
The effect of the utility model is that solving cable shaft isolation blocks, and reaches effective fireproof effect, hinders in time
Only because of the fire spread that cable electrical accident generates, protection the people's lives and property safety.
To realize said effect, the utility model provides following technical solution: a kind of cable shaft isolation closure fire prevention
Structure, including floor, including fire-proof plate, fireproof box and cable, are fixed with fire-proof plate on the outside of the floor, the floor it is interior
Side is fixed with fireproof box, and the cable is across fireproof box, floor and fire-proof plate, at the gap between the cable and fireproof box
And fire prevention calking layer is filled at the gap between the cable and fire-proof plate.
Further improvement of the utility model is provided with multiple current supply cables on the fire-proof plate, fireproof box and floor and wears
The threading hole crossed.
Further improvement of the utility model, filled with fire prevention mud layer at the gap between the fire-proof plate and cable.
Further improvement of the utility model, the fireproof box Corner Strapped have fixed block.
Further improvement of the utility model, table is coated with fireproof coating layer outside the cable of the floor.
Further improvement of the utility model, the fire prevention calking are organic putty or inorganic putty.
Further improvement of the utility model is equipped with S type hot aerosol certainly on the wall of the fireproof box side
Dynamic extinguishing device.
Further improvement of the utility model, the fire-proof plate and fireproof box are fixed by fixing piece.
In conclusion the utility model has the following beneficial effects:
This kind of cable shaft isolation blocks fire proof construction, by the setting of fire-proof plate, fireproof box and cable, in the outer of floor
Side is fixed with fire-proof plate, and fireproof box is fixed on the inside of floor, and cable passes through fireproof box, floor and fire-proof plate, in electricity
Fire prevention calking layer is filled at gap at gap between cable and fireproof box and between the cable and fire-proof plate, in height
In the case that temperature and fire occur, closure can effectively be isolated, and installation S type aerosol is automatic in the space after the completion of blocking
Extinguishing device, at the same flue gas can be completely cut off, flame is fled, to reach strong and weak electricity vertical shaft road fireproof effect.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In attached drawing: 1- floor；2- fireproof box；3- fire-proof plate；4- fixed block；5- cable；6-S type hot aerosol self-extinguishing
Device.
Specific embodiment
Referring to Fig. 1, a kind of cable shaft isolation closure fire proof construction disclosed by the utility model, including floor 1, including it is anti-
Fiery plate 3, fireproof box 2 and cable 5, the outside of the floor 1 are fixed with fire-proof plate 3, and the inside of the floor 1 is fixed with fireproof box
2, the cable 5 passes through fireproof box 2, floor 1 and fire-proof plate 3, at the gap between the cable 5 and fireproof box 2 and institute
It states and is filled with fire prevention calking layer at the gap between cable 5 and fire-proof plate 3, it, can be in the case where high temperature and fire occur
Effective isolation blocks.
It is provided with the threading hole that multiple current supply cables pass through on the fire-proof plate 3, fireproof box 2 and floor 1, passes through threading hole
Setting, on the one hand can current supply cable pass through, on the other hand can using threading hole by the filling of fire prevention calking layer in fireproof box, can be with
Effective isolation blocks.
Filled with fire prevention mud layer at gap between the fire-proof plate 3 and cable 5, fire-proof mud can be sufficiently submerged in cable
In gap, to improve the plugging effect in cable gap.
2 Corner Strapped of fireproof box has fixed block 4, by the setting of fixed block 4, plays the role of firm fireproof box.
5 outside table of cable close to the floor 1 is coated with fireproof coating layer, by fireproof coating brushing on cable 5, brushes
Length is away from floor each 1m, brushing thickness 1mm up and down；So as to which closure is effectively isolated.
The fire prevention calking is organic putty or inorganic putty, and organic putty is added using organic synthetic resin as bonding agent
Fireproof agent, filler etc. is added to form through spreading.The putty does not solidify for a long time, and plasticity is fine, can arbitrarily be blocked, inorganic
Putty is a kind of grey powder material, can be used for the holes blocking of wire and cable after it is mixed with water or is used as electric wire tunnel
Fire resisting wall；It is mixed by high temperature resistant inorganic material and the solid material of speed, energy after inorganic putty is reconciled with a certain proportion of clear water
Solidification rapidly, which has tasteless, nontoxic, fire prevention, oil resistance, suitable for the closure between cable penetration hole.
S type condensed aerosol automatic fire extinguishing device 6 is installed on the wall of 2 side of fireproof box, in hoistway wall
The S type condensed aerosol automatic fire extinguishing device for the electrical fire that can go out is installed in appropriate location, and when a fire, extinguishing device can incude
Start automatically to fire signal, stamps out a fire rapidly；And S type condensed aerosol automatic fire extinguishing device is configured, so that it is perpendicular to reach cable
The effect of well fireproof fire-extinguishing.
The fire-proof plate 3 is fixed with fireproof box 2 by fixing piece, according to the size of sealing region, is selected fire-proof plate 3 and is prevented
The thickness of fire-box 2 is cut into suitable size, and according to the position of cable 5 and size, holds threading hole successfully, has blocked cable 5；Then
Fire-proof plate 3 is fixed on floor from 1 external of floor with fixing piece, and fixing piece passes through floor 1 and fireproof box 2 is fixed.
The fixed block 4 that suitable size is selected according to the size for blocking space, is cut into (60~100) mm long.
Fire-proof plate 3 is cut into (60~100) mm*300mm size according to the size for blocking space, fire-proof plate 3 is cut into (60
~100) mm*600mm size.
In embodiment, it is blocked by carrying out effective isolation to strong and weak electricity cable shaft, is occurred in high temperature and fire
In the case of, fire prevention calking meets fire expansion, clogs being had the gap for closure site rapidly, passes through fire-proof plate 3, fireproof box 2, fire prevention
The collective effect of the materials such as mud, fireproof coating completely cuts off the S type condensed aerosol fire extinguishing device 6 of flue gas, flame fled, while installed
Start fire extinguishing automatically when incuding fire signal, rapidly by fire suppression, to reach fireproof effect, prevents in time because of cable
The fire spread that 5 electrical hazards generate, protection the people's lives and property safety.
The specific workflow of S type condensed aerosol automatic fire extinguishing device can refer on 01 15th, 2014 low-temperature S-type heat
Automatic gasoloid extinguisher, Publication No. CN203389257U.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the utility model and simplified description for ease of description, rather than indicates or imply meaning
Device or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as practical new to this
The limitation of type protection content.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.
It will be carried out in conjunction with the embodiments with technical effect of the attached drawing to the design of the utility model, specific structure and generation above
It clearly and completely describes, to be completely understood by the effect, feature and effect of the utility model.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.
Above-described embodiment is served only for that the utility model is further described, no to the specific descriptions of the utility model
It can be interpreted as the restriction to scope of protection of the utility model, the technician of this field is according to the content pair of above-mentioned utility model
The utility model is made some nonessential modifications and adaptations and is each fallen within the protection scope of the utility model.
Claims (8)
1. a kind of cable shaft isolation blocks fire proof construction, including floor (1), it is characterised in that: including fire-proof plate (3), fire prevention
Case (2) and cable (5) are fixed with fire-proof plate (3) on the outside of the floor (1), are fixed with fireproof box on the inside of the floor (1)
(2), the cable (5) passes through fireproof box (2), floor (1) and fire-proof plate (3), between the cable (5) and fireproof box (2)
Gap at and the gap between the cable (5) and fire-proof plate (3) at be filled with fire prevention calking layer.
2. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: the fire-proof plate
(3), the threading hole that multiple current supply cables pass through is provided on fireproof box (2) and floor (1).
3. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: the fire-proof plate
(3) filled with fire prevention mud layer at the gap between cable (5).
4. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: the fireproof box
(2) Corner Strapped has fixed block (4).
5. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: close to the floor
(1) table is coated with fireproof coating layer outside cable (5).
6. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: the fire prevention calking
For organic putty or inorganic putty.
7. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: close to the fire prevention
S type condensed aerosol automatic fire extinguishing device (6) is installed on the wall of case (2) side.
8. a kind of cable shaft isolation according to claim 1 blocks fire proof construction, it is characterised in that: the fire-proof plate
(3) it is fixed with fireproof box (2) by fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369137.4U CN208748866U (en) | 2018-08-23 | 2018-08-23 | A kind of cable shaft isolation closure fire proof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369137.4U CN208748866U (en) | 2018-08-23 | 2018-08-23 | A kind of cable shaft isolation closure fire proof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208748866U true CN208748866U (en) | 2019-04-16 |
Family
ID=66081027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821369137.4U Active CN208748866U (en) | 2018-08-23 | 2018-08-23 | A kind of cable shaft isolation closure fire proof construction |
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| CN (1) | CN208748866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772734A (en) * | 2019-11-08 | 2020-02-11 | 南京聚联输变电安装有限责任公司 | Cable shaft fireproof device and construction method thereof |
| CN111024320A (en) * | 2019-12-17 | 2020-04-17 | 国网湖北省电力有限公司十堰供电公司 | Cable shaft fire prevention shutoff leakproofness detector |
| CN112751294A (en) * | 2021-02-04 | 2021-05-04 | 曾凤英 | Cable shaft structure of high-rise building |
-
2018
- 2018-08-23 CN CN201821369137.4U patent/CN208748866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772734A (en) * | 2019-11-08 | 2020-02-11 | 南京聚联输变电安装有限责任公司 | Cable shaft fireproof device and construction method thereof |
| CN111024320A (en) * | 2019-12-17 | 2020-04-17 | 国网湖北省电力有限公司十堰供电公司 | Cable shaft fire prevention shutoff leakproofness detector |
| CN112751294A (en) * | 2021-02-04 | 2021-05-04 | 曾凤英 | Cable shaft structure of high-rise building |
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