CN110274349A - A kind of fire-fighting smoke exhaust system and its installation method - Google Patents
A kind of fire-fighting smoke exhaust system and its installation method Download PDFInfo
- Publication number
- CN110274349A CN110274349A CN201910346812.4A CN201910346812A CN110274349A CN 110274349 A CN110274349 A CN 110274349A CN 201910346812 A CN201910346812 A CN 201910346812A CN 110274349 A CN110274349 A CN 110274349A
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- Prior art keywords
- smoke
- exhaust
- hole
- exhaust smoke
- smoke hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to a kind of fire-fighting smoke exhaust system and its installation methods, its key points of the technical solution are that a kind of fire-fighting smoke exhaust system, the inner top of house body is fixedly installed partition, the first exhaust smoke hole and the second exhaust smoke hole are offered on the partition, the side wall that house body is higher than partition offers the second smoke outlet being connected to the second exhaust smoke hole, second smoke evacuation hole location is provided with shutter device, shutter device includes bracket, track, it is opened and closed cylinder, connection frame, adjustable shelf and baffle, bracket and track are located at two sides of the second exhaust smoke hole and parallel with the opposite side wall of the second exhaust smoke hole, track is fixed with bracket, the piston rod of opening and closing cylinder is fixed with parallel track and with connection frame, the sliding of connection frame relative orbit, respectively there is an adjustable shelf at the corner location of baffle, and adjustable shelf is hinged and connected with baffle and connection frame, bracket is close to the hole of the second exhaust smoke hole Vertical guide groove is offered at mouth marginal position, achievees the effect that improve smoke evacuation ability.
Description
Technical field
The present invention relates to the technical field of fire engineering more particularly to a kind of fire-fighting smoke exhaust systems.
Background technique
Show that flue dust is the arch-criminal that personnel death is caused in building fire according to fire statistics data, personnel die of sootiness
Large percentage, up to 80%, burnt in dead number, majority is also to be burnt after first falling in a swoon because of sucking flue dust poisoning
Dead.In the number that fire rises, most of to be that dense smoke is smoked choke the reaction of generation asphyxia and lead to death, by regulations for fire fighting,
The time of the public transport such as subway, airport, railway station, which multiplies region and megastore, movie theatre and indoor amusement place, should all be equipped with fire
Calamity fume extractor.
Existing to can refer to the Chinese patent that notification number is CN103758298B, it discloses a kind of steel-structure roof is heat-insulated
And fire-fighting smoke exhaust system, including roofing and steel frame construction, it further include heat-insulated smoke exhaust pipe and the connection being covered under entire roofing
Heat-insulated smoke exhaust pipe and outdoor double-speed motor, heat-insulated smoke exhaust pipe include a plurality of roof air hose side by side and with a plurality of roof wind
The concentration air hose that pipe one end is connected；The other end of roof air hose is equipped with normally opened electric fire-damper and is connected to outdoor, roof air hose
Ground has multiple openings, and normally closed plate type flue gas exhaust is arranged in opening, and the concentration air hose includes the collection being connected to roof air hose
The discharge pipe that air hose is connected to beautiful blower.
Prior art among the above has the following deficiencies: above-mentioned fire-fighting smoke exhaust system when in use, ability of discharging fume
Be it is certain, when flue dust is larger, smoke evacuation ability can not do the increase of adaptability, cause smoke discharging effect poor.
Summary of the invention
The purpose of the present invention is to provide a kind of fire-fighting smoke exhaust systems and its installation method for improving smoke discharging effect.
Technical purpose of the invention has the technical scheme that
A kind of fire-fighting smoke exhaust system, including house body, the inner top of house body are fixedly installed partition, offer first on the partition
Exhaust smoke hole and the second exhaust smoke hole, house body be higher than partition side wall offer the first smoke outlet being connected to the first exhaust smoke hole and with
Second smoke outlet of the second exhaust smoke hole connection, the second smoke evacuation hole location are provided with shutter device, and shutter device includes bracket, rail
Road, opening and closing cylinder, connection frame, adjustable shelf and baffle, bracket and track are located at the two sides of the second exhaust smoke hole and discharge fume with second
The opposite side wall in hole is parallel, and track is fixed with bracket, and the both ends of track more than the edge of the second exhaust smoke hole, are opened and closed cylinder and rail
Road is fixed, and is opened and closed the piston rod of cylinder and is fixed with parallel track and with connection frame, the sliding of connection frame relative orbit, the quadrangle of baffle
Respectively there is an adjustable shelf at position, and adjustable shelf is hinged and connected with baffle and connection frame, bracket is close to the hole of the second exhaust smoke hole
Offer vertical guide groove at mouthful marginal position, when being opened and closed cylinder and pushing connection frame, connection frame can relative orbit sliding, activity
When frame is slid into guide groove far from one end of connection frame, baffle covers the second exhaust smoke hole completely.
Through the above technical solutions, when a fire, if fire is smaller, when the flue dust of generation is few, baffle is complete at this time
The second exhaust smoke hole is covered entirely, flue dust can be entered by the first exhaust smoke hole, outdoor then is discharged from the first smoke outlet, so that
The smoke content of indoor holding low concentration；When fire condition is more serious, when the flue dust of generation is more, opening and closing cylinder, which drives, lives
Stopper rod retracts, and piston rod drives connection frame to slide along the track, and connection frame drives adjustable shelf, so that adjustable shelf turns around hinge joint
Dynamic, one end that adjustable shelf is contacted with bracket is left out of guide groove, so that baffle be driven to rise overally, when baffle rises to and bracket
Upper surface abutting contact when, the piston rod for being opened and closed cylinder continues to retract, so that driving baffle to be moved horizontally to leaves second row
Mouth, the second smoke outlet can participate in smoke evacuation operation at this time, so that smoke evacuation ability is more preferably, substantially increase smoke discharging effect.It is not required to
When discharging fume, the piston rod of cylinder stretches out, so that baffle covers the second smoke outlet completely, on the one hand to be unlikely to stay on partition
One hole improves aesthetics, and the closing of the second exhaust smoke hole also on the other hand can be improved heat preservation and insulation.
The present invention is further arranged to: two adjustable shelf bottom position rotations close to cylinder side are provided with work
Dynamic idler wheel, the top and guide groove of action roller and bracket are in rolling contact.
Through the above technical solutions, the setting of action roller so that adjustable shelf with respect to cradle top contact friction force from cunning
Kinetic force of friction becomes force of rolling friction, further reduces the frictional resistance that adjustable shelf is subject to, so that the opening and closing process of baffle is more
Add smooth.
The present invention is further arranged to: adjustment frame is provided in first exhaust smoke hole, rotation is provided with more in adjustment frame
The blade of a centerline parallel, the rotation axis of blade are pierced by the same side of adjustment frame and are fixedly connected to a gear, partition
Upper surface slide be provided with rack gear, multiple gears are engaged with rack simultaneously, and one end of rack gear is provided with driving cylinder, driving
The piston rod of cylinder is parallel with rack gear and is fixedly connected with rack gear.
Through the above technical solutions, in order to ensure indoor thermal insulation property, driving cylinder can band when fire does not occur
Carry-over bar translation so that rack drives gear rotate, gear again band movable vane piece rotate so that multiple blades turn to it is horizontal
State, whens multiple blade levels, can seal completely the first exhaust smoke hole, indoor thermal insulation property be improved, it is also possible to select
It selects and is rotated using driving cylinder band moving gear, gear band movable vane piece turns to certain angle, and outdoor gas can be from first row
Mouth and the first exhaust smoke hole enter the room, and guarantee indoor air circulation.When fire occurs, it can be adjusted depending on the size of fire
The tilt angle of blade, smoke discharging effect is best when blade turns to vertical state, and smoke discharging effect is best at this time.
The present invention is further arranged to: the two sides that the blade is parallel to own rotation axis are respectively arranged with compatible rank
Terraced block, when blade turns to horizontality, the ladder block of two neighboring blade overlaps split.
Through the above technical solutions, the ladder block of two adjacent blades overlaps split when blade turns to horizontality,
First exhaust smoke hole can be closed completely, improve obturation effect, so that indoor thermal insulation property is best, and blade mutually overlaps
Later can be more stable, to improve indoor thermal insulation property.
The present invention is further arranged to: second exhaust smoke hole is provided with one, positioned at the middle position of partition, first
There are two exhaust smoke hole settings, is divided into the two sides of the second exhaust smoke hole, and be provided with phase between the first exhaust smoke hole and the second exhaust smoke hole
The spacing block mutually separated.
Through the above technical solutions, two the first exhaust smoke holes can reinforce smoke evacuation ability, the second smoke evacuation hole location is in two the
The middle position of one exhaust smoke hole, so that indoor flue dust discharge range is more extensive, the setting of spacing block enables to adjacent
First exhaust smoke hole and the second exhaust smoke hole are not interfere with each other, discharge fume dirt when preferably flue dust can be discharged, improve fire occur when
Safety.
The present invention is further arranged to: being provided with first row of fan at first smoke outlet.
Through the above technical solutions, indoor flue dust can be driven when first row of fan starts and enter the first exhaust smoke hole,
Then it is discharged from the first smoke outlet, reduces indoor smoke content.
The present invention is further arranged to: being provided with the second exhaust fan at second smoke outlet.
Through the above technical solutions, indoor flue dust can be driven when second row starting fan and enter the second exhaust smoke hole,
Then it is discharged from the second smoke outlet, is further reduced indoor smoke content.
The present invention is further arranged to: a kind of installation method of fire-fighting smoke exhaust system, the specific steps of which are as follows:
S1, two the first smoke outlets and second smoke outlet are opened up on side wall of the house body close to top, so that the first smoke evacuation
Mouth and the second smoke outlet are connected to outdoor, and first row of fan is installed at the first smoke outlet, are installed at the second smoke outlet
Second exhaust fan；
S2, two the first exhaust smoke holes and second exhaust smoke hole are opened up on partition, and the second smoke evacuation hole location is in two first
Between exhaust smoke hole；
S3, shutter device is installed in the corresponding position that partition is located at the second exhaust smoke hole, is fixedly mounted and adjusts in the first exhaust smoke hole
Whole frame, and gear, rack gear and driving cylinder are installed；
S4, partition is fixedly installed on the inner wall of house body.
Through the above technical solutions, installing shutter device and adjustment frame, gear, rack gear and driving gas on partition
After the related elements such as cylinder, then partition is fixed on the inner wall of house body, can be improved the convenience of installation, the rear bulkhead of installation will
One space for smoke evacuation is formed on the top of house body, effectively improves the discharge ability of flue dust, so that indoor peace when fire occurs
Full property is stronger.
In conclusion advantageous effects of the invention are as follows:
1, by the second exhaust smoke hole of setting and it can control the shutter device that the second exhaust smoke hole is turned on or off, so that occurring
Ability of discharging fume when fire greatly improves, and will not cause too much influence to indoor insulating power again when fire not occurring；
2, by the setting adjustable blade of rotational angle, so that the smoke evacuation ability of the first exhaust smoke hole is adjustable；
3, it can reduce interfering with each other between the first exhaust smoke hole and the second exhaust smoke hole by the way that spacing block is arranged, and then improve smoke evacuation
Ability.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the present embodiment；
Fig. 2 is the partial structural diagram after the top plate of the hiding house body of the present embodiment；
Fig. 3 is to adjust frame intra vane structural schematic diagram in the open state；
Fig. 4 is the structural schematic diagram for concealing adjustment frame rear blade and being in close state；
Fig. 5 is the structural schematic diagram of shutter device；
Fig. 6 is the partial enlargement diagram in Fig. 5 at A；
Fig. 7 is the structural schematic diagram that shutter device is in close state after concealing house body.
Appended drawing reference: 1, house body；11, the first smoke outlet；111, first row of fan；112, the first air exhaust passage；12, second
Smoke outlet；121, the second exhaust fan；2, partition；21, the first exhaust smoke hole；22, the second exhaust smoke hole；3, frame is adjusted；31, blade；
311, ladder block；32, gear；33, rack gear；34, cylinder is driven；4, shutter device；41, bracket；411, guide groove；42, track；
43, it is opened and closed cylinder；44, connection frame；45, adjustable shelf；451, action roller；46, baffle；5, spacing block.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
A kind of fire-fighting smoke exhaust system is fixedly installed level at the apical position of house body 1 as depicted in figs. 1 and 2, including house body 1
Partition 2, open up that there are two the first exhaust smoke holes 21 and second exhaust smoke hole 22, the second exhaust smoke hole 22 to be located at partition 2 on partition 2
Middle position, and the second exhaust smoke hole 22 is located between two the first exhaust smoke holes 21, and house body 1 is located at 2 above section of partition
Two opposite side walls respectively offer first smoke outlet 11, and the first smoke outlet 11 is communicated with the first air exhaust passage 112, and first
Air exhaust passage 112 is connected to the first smoke outlet 11, and house body 1, which is located on the side wall of 2 above section of partition, is also provided with one second
Smoke outlet 12, and the second smoke outlet 12 is located on the side wall adjacent with two the first smoke outlets 11 of house body 1, the second smoke outlet 12 with
Second discharge flue is connected to, and is provided with first row of fan 111 in the first smoke outlet 11, is provided with second row in the second smoke outlet 12
Fan 121.When occurring compared with conflagration, first row of fan 111 and the second exhaust fan 121 are worked at the same time, so that indoor flue dust
It is discharged respectively by the first exhaust smoke hole 21, the first smoke outlet 11 and the second exhaust smoke hole 22 and the second smoke outlet 12, ability of discharging fume
Increase, safety is higher.
As shown in Fig. 2, be provided with spacing block 5 between the first exhaust smoke hole 21 and the second vent, the bottom end of spacing block 5 with every
Plate 2 is fixedly connected, and top is fixedly connected with the inner top surface of house body 1, and the space of 2 or more partition can be divided into three by spacing block 5
Independent region, so that the smoke evacuation operation of the first exhaust smoke hole 21 and the second exhaust smoke hole 22 will not interfere with each other, smoke evacuation ability is more preferably.
In conjunction with Fig. 1 and Fig. 3, it is provided with adjustment frame 3 in the first exhaust smoke hole 21, adjusts the inner wall of frame 3 and the first exhaust smoke hole 21
It is fixedly connected, fixed form can fix for glue bonding or bolt, be preferably glue bonding in the present embodiment.Adjust frame 3
Multiple blades 31 being parallel to each other are internally provided with, and blade 31 is when in a horizontal state, between every two adjacent blade 31
It contacts with each other to form closed (with reference to Fig. 4).Each blade 31 is rotatablely connected with adjustment frame 3, and the rotation axis of multiple blades 31
It is pierced by from the same side of adjustment frame 3, the gear 32 of coaxial line, the upper surface corresponding position of partition 2 is fixedly connected in rotation axis
Place is provided with the rack gear 33 engaged with gear 32, and rack gear 33 is slidably connected with partition 2, rotation of the glide direction perpendicular to blade 31
Axis axis, in the present embodiment, sliding type uses sliding block sliding slot: opening up sliding slot, the bottom of rack gear 33 in the upper surface of partition 2
Sliding block compatible with sliding slot is fixedly installed.One end of rack gear 33 is fixedly connected with driving cylinder 34, when driving motor band movable tooth
When item 33 slides, rack gear 33 is rotated with moving gear 32, to rotate with movable vane piece 31, blade 31 turns to different angles, is adjusted
Just different by size in whole frame 3, corresponding smoke evacuation ability and smoke exhaust efficiency are just different, when flue dust is larger, can drive
Blade 31 rotates 90 degree to vertical state, and discharging fume at this time, ability is most strong, and smoke discharging effect is best.It, can band when there is no fire
Movable vane piece 31 turns to horizontality, completely encloses so that blade 31 will adjust inside frame 3, so that the heat for reducing indoor and outdoor is handed over
It changes, improves heat insulation effect, blade 31 can also be enabled to turn an angle, so that indoor and outdoor air flows, improve indoor air
Quality.
In conjunction with Fig. 2 and Fig. 5, the opening and closing for being used to open or closing the second exhaust smoke hole 22 is provided at 22 position of the second exhaust smoke hole
Component 4, shutter device 4 include bracket 41, track 42, opening and closing cylinder 43, connection frame 44, adjustable shelf 45 and baffle 46, wherein
Bracket 41 includes two, is divided at two opposite side positions of 22 aperture of the second exhaust smoke hole, and bracket 41 is from far from the second exhaust smoke hole
It is extended at 22 position at the orifice edge position of the second exhaust smoke hole 22, and the hole of bracket 41 and the second exhaust smoke hole 22
Wall is parallel, and bracket 41 offers guide groove 411(straight down with reference to figure at the orifice edge position close to the second exhaust smoke hole 22
6), track 42 is also equipped with two groups, and track 42 is fixedly connected with the apical position of bracket 41, and two tracks 42 and bracket 41 are flat
Row, two tracks 42 extend across always the second exhaust smoke hole 22 from the position far from the second exhaust smoke hole 22, so that track 42
Floor projection can cover the orifice edge of the second exhaust smoke hole 22, be opened and closed one of cylinder 43 and track 42 far from the second exhaust smoke hole 22
End is fixedly connected, and the piston rod for being opened and closed cylinder 43 is parallel to track 42 and is directed toward the second exhaust smoke hole 22, and connection frame 44 is H-shaped simultaneously
It is fixedly connected with the piston rod of opening and closing cylinder 43, connection frame 44 is slidably connected with track 42.
As shown in Figure 5 and Figure 6, there are four the settings of adjustable shelf 45, and four adjustable shelfs 45 are divided into the quadrangle position of baffle 46
The place of setting simultaneously is hinged and connected with baffle 46, and the one end of adjustable shelf 45 far from baffle 46 and connection frame 44 are close also by being hinged and connected
The lower rotation of two adjustable shelfs 45 of cylinder is connected with action roller 451, the upper surface rolling of action roller 451 and bracket 41
Contact, further decreases frictional resistance.When being opened and closed the promotion connection frame 44 of cylinder 43, action roller 451 can be rolled along bracket 41
It moves to guide groove 411, adjustable shelf 45 is rotated around hinge joint at this time, so that baffle 46 is caught in the second exhaust smoke hole 22, to smoke evacuation
Hole is closed, and when generation fire needs to increase smoke evacuation dynamics, opening and closing cylinder 43 drives piston rod to retract, and piston rod drives company
Frame 44 is connect to move on bracket 41, adjustable shelf 45 is rotated around hinge joint, so that action roller 451 is skidded off out of guide groove 411, into
And baffle 46 is driven to be lifted off the second exhaust smoke hole 22, piston rod continues to retract, and baffle 46 continues to translate along track 42, thus
The second exhaust smoke hole 22 is left completely, and the second exhaust smoke hole 22 can play smoke discharging effect.
The implementation principle of the present embodiment are as follows: when fire does not occur, the first exhaust smoke hole 21 can pass through tooth according to actual needs
The engagement of item 33, gear 32 turns to different angle with movable vane piece 31, and to be aerated or keep the temperature, the second exhaust smoke hole 22 is kept off
Plate 46 covers (end-state such as Fig. 7) completely；When a fire, driving cylinder 34 is mobile with carry-over bar 33, rack gear 33 and tooth
32 engagement of wheel with movable vane piece 31 to rotate, and flue dust is bigger, and 31 rotational angle of blade is bigger, and 31 rotational angle of blade is up to
90 degree, first row of fan 111 starts at this time, and flue dust is sucked in the first exhaust smoke hole 21, and then is discharged from the first smoke outlet 11,
When flue dust is bigger, opening and closing cylinder 43 drives piston rod to retract, and piston rod drives connection frame 44 to move along track 42, connection frame
44 drive adjustable shelf 45 to rotate around hinge joint, and adjustable shelf 45 drives action roller 451 to roll out out of guide groove 411, thus baffle
46 are driven to upward out second vent, and the piston rod for being opened and closed cylinder 43 at this time continues to retract, and drives baffle 46 along rail
Road 42 continues to translate, and the second exhaust smoke hole 22 is opened completely, restarts the second exhaust fan 121, and flue dust can pass through the second exhaust smoke hole
22 enter, then from the second smoke outlet 12 be discharged so that the expulsion efficiency of flue dust is higher, smoke discharging effect more preferably.
Embodiment two
A kind of installation method of fire-fighting smoke exhaust system, the specific steps of which are as follows:
S1, two the first smoke outlets 11 and second smoke outlet 12 are opened up on side wall of the house body 1 close to top, so that first
Smoke outlet 11 and the second smoke outlet 12 are connected to outdoor, and first row of fan 111 is installed at the first smoke outlet 11, second
Second exhaust fan 121 is installed at smoke outlet 12；
S2, two the first exhaust smoke holes 21 and second exhaust smoke hole 22 are opened up on partition 2, and the second exhaust smoke hole 22 is located at two
Between a first exhaust smoke hole 21；
S3, shutter device 4 is installed in the corresponding position that partition 2 is located at the second exhaust smoke hole 22, it is fixed in the first exhaust smoke hole 21
Mounting and adjusting frame 3, and gear 32, rack gear 33 and driving cylinder 34 are installed；
S4, partition 2 is fixedly installed on the inner wall of house body 1.
Through the above technical solutions, installed on partition 2 shutter device 4 and adjustment frame 3, gear 32, rack gear 33 with
And after the equal related elements of driving cylinder 34, then partition 2 is fixed on the inner wall of house body 1, can be improved the convenience of installation, pacify
The top of house body 1 is formed a space for smoke evacuation by the rear bulkhead 2 of dress, effectively improves the discharge ability of flue dust, so that occurring
Indoor safety is stronger when fire.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of fire-fighting smoke exhaust system, including house body (1), the inner top of house body (1) are fixedly installed partition (2), feature exists
In: the first exhaust smoke hole (21) and the second exhaust smoke hole (22) are offered on the partition (2), house body (1) is higher than the side wall of partition (2)
The second smoke evacuation for offering the first smoke outlet (11) being connected to the first exhaust smoke hole (21) and being connected to the second exhaust smoke hole (22)
Mouthful (12) are provided with shutter device (4) at the second exhaust smoke hole (22) position, and shutter device (4) includes bracket (41), track
(42), cylinder (43), connection frame (44), adjustable shelf (45) and baffle (46) are opened and closed, bracket (41) and track (42) are positioned at the
The two sides of two exhaust smoke holes (22) and, track (42) and bracket (41) fixation parallel with the opposite side wall of the second exhaust smoke hole (22), rail
The both ends in road (42) more than the edge of the second exhaust smoke hole (22), are opened and closed cylinder (43) and track (42) and fix, be opened and closed cylinder
(43) piston rod is parallel with track (42) and fixed with connection frame (44), connection frame (44) relative orbit (42) sliding, baffle
(46) respectively there are an adjustable shelf (45), and adjustable shelf (45) and baffle (46) and the hinged phase of connection frame (44) at corner location
Even, bracket (41) offers vertical guide groove (411) at the orifice edge position of the second exhaust smoke hole (22), when opening and closing cylinder
(43) when pushing connection frame (44), connection frame (44) can relative orbit (42) sliding, adjustable shelf (45) is far from connection frame (44)
One end slide into guide groove (411) it is interior when, baffle (46) covers the second exhaust smoke hole (22) completely.
2. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterised in that: two work close to cylinder side
The rotation of moving frame (45) bottom position is provided with action roller (451), the top of action roller (451) and bracket (41) and is led
Slot (411) is in rolling contact.
3. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterised in that: setting in first exhaust smoke hole (21)
Have adjustment frame (3), rotation is provided with the blade (31) of multiple centerline parallels in adjustment frame (3), and the rotation axis of blade (31) is worn
The same side of frame (3) is adjusted out and is fixedly connected to a gear (32), and the upper surface slide of partition (2) is provided with rack gear
(33), multiple gears (32) are engaged with rack gear (33) simultaneously, and one end of rack gear (33) is provided with driving cylinder (34), drive gas
The piston rod of cylinder (34) is parallel with rack gear (33) and is fixedly connected with rack gear (33).
4. a kind of fire-fighting smoke exhaust system according to claim 3, it is characterised in that: the blade (31) is parallel to itself and turns
The two sides of moving axis are respectively arranged with compatible ladder block (311), when blade (31) turns to horizontality, two neighboring leaf
The ladder block (311) of piece (31) overlaps split.
5. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterised in that: second exhaust smoke hole (22) is provided with
One, it is located at the middle position of partition (2), there are two the first exhaust smoke hole (21) settings, is divided into the second exhaust smoke hole (22)
Two sides, and mutually separated spacing block (5) are provided between the first exhaust smoke hole (21) and the second exhaust smoke hole (22).
6. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterised in that: be arranged at first smoke outlet (11)
There are first row of fan (111).
7. a kind of fire-fighting smoke exhaust system according to claim 1, it is characterised in that: be arranged at second smoke outlet (12)
There are the second exhaust fan (121).
8. a kind of installation method of fire-fighting smoke exhaust system, the specific steps of which are as follows:
S1, two the first smoke outlets (11) and second smoke outlet (12) are opened up on the side wall on house body (1) close top, made
It obtains the first smoke outlet (11) and the second smoke outlet (12) is connected to outdoor, and the first air draft is installed at the first smoke outlet (11)
It fans (111), the second exhaust fan (121) is installed at the second smoke outlet (12)；
S2, two the first exhaust smoke holes (21) and second exhaust smoke hole (22), and the second exhaust smoke hole are opened up on partition (2)
(22) it is located between two the first exhaust smoke holes (21)；
S3, it is located at corresponding position installation shutter device (4) of the second exhaust smoke hole (22) in partition (2), in the first exhaust smoke hole
(21) adjustment frame (3) is fixedly mounted in, and gear (32), rack gear (33) and driving cylinder (34) are installed；
S4, partition (2) is fixedly installed on the inner wall of house body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346812.4A CN110274349B (en) | 2019-04-27 | 2019-04-27 | Fire-fighting smoke exhaust system and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346812.4A CN110274349B (en) | 2019-04-27 | 2019-04-27 | Fire-fighting smoke exhaust system and installation method thereof |
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| Publication Number | Publication Date |
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| CN110274349A true CN110274349A (en) | 2019-09-24 |
| CN110274349B CN110274349B (en) | 2020-12-22 |
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| CN201910346812.4A Active CN110274349B (en) | 2019-04-27 | 2019-04-27 | Fire-fighting smoke exhaust system and installation method thereof |
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| CN207570061U (en) * | 2017-09-03 | 2018-07-03 | 广州市普利达消防工程有限公司 | A kind of automatic smoke exhausting system for fire engineering |
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Address after: 518000 809, Bolong building, No.52, Qingshuihe 1st Road, Qingshuihe community, Qingshuihe street, Luohu District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhonggang Construction Engineering Co.,Ltd. Address before: 518114 7e, shangshuijing complex building, 333 Jihua Road, Buji street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhonggang Construction Engineering Co.,Ltd. |