CN110448824B - Movable rigid smoke-blocking vertical wall and use method thereof - Google Patents
Movable rigid smoke-blocking vertical wall and use method thereof Download PDFInfo
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- CN110448824B CN110448824B CN201910861662.0A CN201910861662A CN110448824B CN 110448824 B CN110448824 B CN 110448824B CN 201910861662 A CN201910861662 A CN 201910861662A CN 110448824 B CN110448824 B CN 110448824B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 121
- 230000007306 turnover Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 230000000903 blocking effect Effects 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 description 11
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/24—Operating or controlling mechanisms
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air-Flow Control Members (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a movable rigid smoke-blocking vertical wall and a use method thereof, the movable rigid smoke-blocking vertical wall is arranged on a ceiling, an opening is formed in the ceiling, a containing cavity enclosed by two side plates, two end plates and a top plate is formed in the position corresponding to the opening, a sleeve is rotationally arranged in the containing cavity, a first smoke-blocking plate is fixedly arranged on the sleeve, a connecting shaft is fixedly arranged on the inner side of the end plate, the connecting shaft on one side is rotationally connected with the sleeve, a turnover motor is fixedly arranged on the connecting shaft on the other side, and the turnover motor is positioned in the sleeve and fixedly connected with the sleeve. According to the invention, the first smoke baffle plate is controlled to swing through the overturning motor, so that the working state is reached quickly, the rapid control of fire conditions can be realized, and the device has a simple integral structure, is not easy to damage and has a long service life.
Description
Technical Field
The invention relates to the technical field of smoke-blocking vertical walls, in particular to a movable rigid smoke-blocking vertical wall and a use method thereof.
Background
The smoke-blocking vertical wall is made of non-combustible materials, and is a fixed or movable smoke-blocking facility with the sagging from a ceiling not less than 500mm, and the movable smoke-blocking vertical wall is a smoke-blocking vertical wall which automatically sags under the action of temperature sensing, smoke sensing or other control equipment in a fire disaster, is mainly used in occasions such as high-rise or super-high-rise large-scale markets, office buildings and warehouses, can effectively block the transverse flow of smoke under the building ceiling, is beneficial to improving the smoke discharging effect in smoke-preventing partitions, and plays a positive role in guaranteeing the life and property safety of people.
The existing smoke blocking vertical wall mainly comprises two types, one type is a rolling curtain type, a motor is used for driving a winding drum to finish lifting of a smoke blocking plate, and the structure has the defects that when a fire is encountered, the whole device has slower reaction and can not quickly reach a required state, so that the fire is not controlled in time; the other is a lifting type, and the disadvantage of the structure is that the required vertical installation space is larger, the movable accessory parts are more and are easy to damage, so that a novel smoke blocking hanging wall which is quick in action and low in requirement on the installation space is needed to be developed.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provides the movable rigid smoke blocking vertical wall and the using method thereof, thereby effectively solving the defects in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the movable rigid smoke blocking vertical wall is installed on a ceiling, an opening is formed in the ceiling, an accommodating cavity formed by two side plates, two end plates and a top plate in a surrounding mode is formed in the position, corresponding to the opening, of the ceiling, a sleeve is arranged in the accommodating cavity in a rotating mode, a first smoke blocking plate is fixedly arranged on the sleeve, a connecting shaft is fixedly arranged on the inner side of the end plate, the connecting shaft on one side is rotatably connected with the sleeve, a turnover motor is fixedly arranged on the connecting shaft on the other side, and the turnover motor is located in the sleeve and fixedly connected with the sleeve.
Further, the first smoke baffle plate is provided with a second smoke baffle plate in a sliding mode, the second smoke baffle plate is connected with a lifting driving mechanism, and the second smoke baffle plate is fixedly provided with a counterweight strip at one end far away from the sleeve.
Further, the lifting driving mechanism comprises a second rotating shaft, a lifting motor and a traction steel wire, the end part of the rotating shaft is rotationally connected with the end plate, the lifting motor is fixedly arranged on the top plate and is in power connection with the rotating shaft, a tension spring is fixedly arranged at one end, close to the sleeve, of the second smoke baffle plate, the tension spring is fixedly connected with one end of the traction steel wire, and the other end of the traction steel wire bypasses the connecting shaft and passes through the top plate to be wound on the rotating shaft;
the first smoke baffle plate is provided with a guide hole through which the traction steel wire and the tension spring pass.
Further, the traction steel wires are symmetrically arranged at two positions relative to the second smoke baffle plate.
Further, a winding groove is formed in the rotating shaft in a matched mode with the traction steel wire.
Further, the top plate is provided with a perforation in cooperation with the traction steel wire, and the perforation is arranged right above the connecting shaft.
Further, a limit ring groove is formed in the connecting shaft in a matched mode with the traction steel wire.
Further, a guide deflector rod is fixedly arranged on the end face of the sleeve.
The application method of the movable rigid smoke blocking vertical wall comprises the following steps:
the movable rigid smoke blocking vertical wall is arranged at a target position of a ceiling in a building, and under normal conditions, the first smoke blocking plate is in a horizontal state and positioned at an opening of the ceiling to keep the ceiling in a relatively complete state, so that simultaneously, the traction steel wire is in a winding state, so that the tension spring is in a stretching state, and the second smoke blocking plate is tightly collected on the first smoke blocking plate;
when the sensor detects fire signals, the sensor transmits control signals to the overturning motor and the lifting motor, the overturning motor drives the sleeve to drive the first smoke baffle and the second smoke baffle to rotate by 90 degrees, namely the first smoke baffle and the second smoke baffle rotate to a vertical state, the first smoke baffle can rapidly reach a working position through the action, a fire control effect at a first time is achieved, the tension spring is always in a stretched state in the whole rotating process, the second smoke baffle is always and tightly attached to the first smoke baffle to ensure orderly operation of each action, the lifting motor drives the rotating shaft to rotate, the traction steel wire is released, the second smoke baffle slides downwards relative to the first smoke baffle under the action of gravity in the releasing process, and finally the first smoke baffle and the second smoke baffle form a finished protection structure;
when the sensor detects that the fire signal disappears, the sensor transmits the control signal to the overturning motor and the lifting motor, the lifting motor drives the rotating shaft to rotate at first to roll the traction steel wire, meanwhile, the second smoke baffle plate is lifted upwards and finally is collected on the first smoke baffle plate, and when in a final state, the tension spring is in a stretched state to ensure that the second smoke baffle plate is tightly attached to the first smoke baffle plate, and then the overturning motor drives the sleeve to drive the first smoke baffle plate and the second smoke baffle plate to rotate by 90 degrees, namely, the first smoke baffle plate and the second smoke baffle plate rotate back to an initial horizontal state.
The technical scheme of the invention has the following beneficial effects: according to the invention, the first smoke baffle plate is controlled to swing through the overturning motor, so that the working state is reached quickly, the rapid control of fire conditions can be realized, and the device has a simple integral structure, is not easy to damage and has a long service life.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view taken along B-B in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
FIG. 5 is a schematic view showing the internal structure of a sleeve according to an embodiment of the present invention;
FIG. 6 is a first working state diagram of an embodiment of the present invention;
FIG. 7 is a partial enlarged view at D in FIG. 6;
fig. 8 is a second working state diagram of the embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-8, the movable rigid smoke-blocking vertical wall in this embodiment is installed on a ceiling 1, an opening 2 is provided on the ceiling 1, the opening 2 is square, the ceiling 1 is provided with a containing cavity 6 which is surrounded by two side plates 3, two end plates 4 and a top plate 5 at the position corresponding to the opening 2, wherein the bottom of the side plate 3 is fixedly connected with the ceiling 1, the bottom of the end plate 4 is fixedly connected with the ceiling 1, the top of the side plate 3 is fixedly connected with the bottom of the top plate 5, the side part of the top plate 5 is fixedly connected with the inner side wall of the end plate 4, in the height direction, the top plate 5 is arranged in the middle of the end plate 4, the accommodating cavity 6 is rotatably provided with a sleeve 7, the sleeve 7 is fixedly provided with a first smoke baffle plate 8, the first smoke baffle plate 8 is tangential to the sleeve 7, the sleeve 7 is provided with a mounting groove for mounting the first smoke baffle plate 8, the first smoke baffle plate 8 is fixedly connected with the sleeve 7 through a screw after being placed in the mounting groove, the inner side of the end plate 4 is fixedly provided with a connecting shaft 9, wherein one side of the connecting shaft 9 is rotationally connected with the sleeve 7, as shown in fig. 5, a bearing is arranged between the connecting shaft 9 and the sleeve 7 on the side, a turnover motor 10 is fixedly arranged on the connecting shaft 9 on the other side, the turnover motor 10 is positioned in the sleeve 7, a rotating shaft of the turnover motor 10 is fixedly connected with the sleeve 7, specifically, a motor main body of the turnover motor 10 is fixedly connected with the connecting shaft 9, a mounting plate is fixedly arranged on the connecting shaft 9, the motor main body is fixedly connected with the mounting plate through a screw, a connecting plate 10a is fixedly arranged on the rotating shaft of the turnover motor 10, the connecting plate 10a is fixedly connected with the inner wall of the sleeve 7, by driving the tilting motor 10, a rotation of the sleeve 7 and the first smoke barrier 8 can be achieved.
In order to avoid interference of the electric wire connected with the turnover motor 10 to the actions of other components, a through hole may be formed in the middle of the connecting shaft 9, and wiring may be performed in the through hole.
According to the structure, the first smoke baffle is controlled to quickly reach the working state through the turnover motor 10, so that the rapid control of fire conditions can be realized, and the structure is simple, is not easy to damage and has long service life.
The first cigarette baffle plate 8 is provided with the second cigarette baffle plate 11 in a sliding manner, the second cigarette baffle plate 11 is connected with a lifting driving mechanism, the second cigarette baffle plate 11 is fixedly provided with a counterweight strip 11a at one end far away from the sleeve 7, the first cigarette baffle plate 8 and the second cigarette baffle plate 11 are made of A-level fireproof plates, as shown in fig. 2, the first cigarette baffle plate 8 is provided with a boss 8a for limiting the position of the second cigarette baffle plate 11, as shown in fig. 4, the first cigarette baffle plate 8 is provided with a guide strip 8b, the second cigarette baffle plate 11 is provided with a guide groove in a matched manner, the structure of the guide strip 8b and the guide groove is provided with a plurality of positions, and the sliding stability of the second cigarette baffle plate 11 is guaranteed.
The weight bar 11a may be a metal weight bar.
The lifting driving mechanism comprises a second rotating shaft 12, a lifting motor 13 and a traction steel wire 14, the end part of the rotating shaft 12 is rotationally connected with the end plate 4, the lifting motor 13 is fixedly arranged on the top plate 5 and the lifting motor 13 is in power connection with the rotating shaft 12, a driving gear 13a is fixedly arranged on an output shaft of the lifting motor 13, a driven gear 12a is arranged in the middle of the rotating shaft 12 in cooperation with the driving gear 13a, a tension spring 15 is fixedly arranged at one end, close to the sleeve 7, of the second smoke baffle 11, the tension spring 15 is fixedly connected with one end of the traction steel wire 14, the other end of the traction steel wire 14 bypasses the connecting shaft 9 and is wound on the rotating shaft 12 after penetrating through the top plate 5, and the end part of the traction steel wire 14 is fixedly connected with the rotating shaft 12.
As shown in fig. 2 and 7, the first smoke baffle plate 8 is provided with a guide hole 8c through which the traction steel wire 14 and the tension spring 15 pass, the guide hole 8c is formed on the boss 8a, and an arc angle structure is arranged at the outlet of the guide hole 8 c.
As shown in fig. 3, the traction steel wires 14 are symmetrically arranged at two positions relative to the second smoke baffle 11, and the traction steel wires 14 at two sides simultaneously traction the second smoke baffle 11, so that the second smoke baffle 11 is uniformly stressed, and stable sliding is realized.
As shown in fig. 2 and 4, the rotating shaft 12 is provided with a winding groove 12b matched with the traction steel wire 14, and the winding groove 12b plays a role in axially limiting the traction steel wire 14 wound on the rotating shaft 12.
The top plate 5 is provided with a perforation 5a in cooperation with the traction steel wire 14, and the perforation 5a is arranged right above the connecting shaft 9.
The connecting shaft 9 is provided with a limiting ring groove 9a matched with the traction steel wire 14, when the traction steel wire 14 is in contact with the connecting shaft 9, the traction steel wire 14 is led into the limiting ring groove 9a, and the limiting ring groove 9a plays a role in axially limiting the traction steel wire 14.
The end face of the sleeve 7 is fixedly provided with a guide deflector 7a, as shown in fig. 2, when the first smoke baffle 8 is in a horizontal state, the guide deflector 7a is not in contact with the traction steel wire 14, namely does not play a role in guiding, as shown in fig. 7, when the first baffle 8 is in a vertical state, the guide deflector 7a rotates to the upper side, plays a role in guiding the traction steel wire 14, prevents friction between the traction steel wire 14 and the top plate 5, prolongs the service life of the traction steel wire, and preferably, the guide deflector 7a is a cylindrical rod.
The application method of the movable rigid smoke blocking vertical wall comprises the following steps:
the movable rigid smoke-blocking vertical wall is arranged at a target position of a ceiling in a building, as shown in fig. 1-4, under normal conditions, the first smoke-blocking plate 8 is in a horizontal state and is positioned at an opening 2 of the ceiling 1, and the ceiling 1 is kept in a relatively complete state, so that the ceiling is attractive at ordinary times, and the ceiling is not messy due to the fact that the smoke-blocking vertical wall is arranged, and meanwhile, the traction steel wire 14 is in a rolled state, the traction steel wire 14 is in a tight state and is clamped into the limiting ring groove 9a, and the tension spring 15 is in a stretched state, so that the second smoke-blocking plate 11 is tightly collected on the first smoke-blocking plate 8;
when a sensor (such as a common smoke sensor) detects a fire signal, the sensor transmits a control signal to a turnover motor 10 and a lifting motor 13, as shown in fig. 6-7, the turnover motor 10 drives a sleeve 7 to drive a first smoke baffle 8 and a second smoke baffle 11 to rotate 90 degrees, namely the first smoke baffle 8 and the second smoke baffle 11 rotate to a vertical state, the action can enable the first smoke baffle 8 to rapidly reach a working position, a fire control effect at a first time is achieved, a tension spring 15 is always in a stretched state in the whole rotating process, the second smoke baffle 11 is always and tightly attached to the first smoke baffle 8, namely the first smoke baffle 8 and the second smoke baffle 11 do not move relatively, the variable quantity in the motion of a traction steel wire 14 is compensated by the stretching quantity of the tension spring 15, so that the orderly operation is ensured, as shown in fig. 8, then the lifting motor 13 drives a rotating shaft 12 to rotate, the traction steel wire 14 is released, and the second smoke baffle 11 slides relative to the first smoke baffle 8 under the action of the first smoke baffle 8 and the second smoke baffle 11 in the final structure is completed;
when the sensor detects that the fire signal disappears, the sensor transmits a control signal to the overturning motor 10 and the lifting motor 13, firstly the lifting motor 13 drives the rotating shaft 12 to rotate, the traction steel wire 14 is wound, meanwhile, the second smoke baffle 11 is lifted upwards and finally received on the first smoke baffle 8, and in the final state, the tension spring 15 is in a stretched state to ensure that the second smoke baffle 11 is tightly attached to the first smoke baffle 8, and then the overturning motor 10 drives the sleeve 7 to drive the first smoke baffle 8 and the second smoke baffle 11 to rotate by 90 degrees, namely, the first smoke baffle 8 and the second smoke baffle 11 rotate back to the initial horizontal state.
According to the invention, the first smoke baffle 8 started quickly and the second smoke baffle 11 started in a delayed manner are matched, so that a protection effect can be reasonably realized, wherein after a fire signal is detected, the first smoke baffle 8 swings in place quickly, a timely blocking effect is realized, the spread of fire is avoided in the first time, when the first smoke baffle 8 plays a blocking effect, the second smoke baffle 11 then descends down to a proper position, and forms a good protection barrier with the first smoke baffle 8 so as to block the smoke with a possibly lower height, and thus, the first smoke baffle 8 and the second smoke baffle are matched, so that protection can be quickly and effectively realized, and the next larger fire can be dealt with, and meanwhile, the folded structure can reduce the whole installation size, and achieve the purpose of saving space.
How the motor specifically receives the fire signal is a common technical means in the field, and has no direct relation with the improvement of the application, so the description is omitted.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The movable rigid smoke blocking vertical wall is arranged on a ceiling, an opening is formed in the ceiling, and the movable rigid smoke blocking vertical wall is characterized in that an accommodating cavity which is formed by enclosing two side plates, two end plates and a top plate is formed in the position, corresponding to the opening, of the ceiling, a sleeve is rotationally arranged in the accommodating cavity, a first smoke blocking plate is fixedly arranged on the sleeve, a connecting shaft is fixedly arranged on the inner side of the end plate, the connecting shaft on one side is rotationally connected with the sleeve, a turnover motor is fixedly arranged on the connecting shaft on the other side, and the turnover motor is positioned in the sleeve and fixedly connected with the sleeve;
a second smoke baffle plate is slidably arranged on the first smoke baffle plate, the second smoke baffle plate is connected with a lifting driving mechanism, and a counterweight bar is fixedly arranged at one end, far away from the sleeve, of the second smoke baffle plate;
the lifting driving mechanism comprises a second rotating shaft, a lifting motor and a traction steel wire, the end part of the rotating shaft is rotationally connected with the end plate, the lifting motor is fixedly arranged on the top plate and is in power connection with the rotating shaft, a tension spring is fixedly arranged at one end, close to the sleeve, of the second smoke baffle plate, the tension spring is fixedly connected with one end of the traction steel wire, and the other end of the traction steel wire bypasses the connecting shaft and passes through the top plate to be wound on the rotating shaft;
the first smoke baffle plate is provided with a guide hole through which the traction steel wire and the tension spring pass;
the traction steel wires are symmetrically arranged at two positions relative to the second smoke baffle plate;
the end face of the sleeve is fixedly provided with a guide deflector rod.
2. The movable rigid smoke-blocking vertical wall according to claim 1, wherein a winding groove is formed on the rotating shaft in cooperation with a traction steel wire.
3. The movable rigid smoke-blocking vertical wall according to claim 1, wherein the top plate is provided with perforations in cooperation with traction steel wires, and the perforations are arranged right above the connecting shaft.
4. The movable rigid smoke-blocking vertical wall according to claim 1, wherein the connecting shaft is provided with a limit ring groove matched with a traction steel wire.
5. A method of using a flexible rigid smoke-barrier vertical wall according to any one of claims 1 to 4, comprising the steps of:
the movable rigid smoke blocking vertical wall is arranged at a target position of a ceiling in a building, and under normal conditions, the first smoke blocking plate is in a horizontal state and positioned at an opening of the ceiling to keep the ceiling in a relatively complete state, so that simultaneously, the traction steel wire is in a winding state, so that the tension spring is in a stretching state, and the second smoke blocking plate is tightly collected on the first smoke blocking plate;
when the sensor detects fire signals, the sensor transmits the control signals to the overturning motor and the lifting motor, the overturning motor drives the sleeve to drive the first smoke baffle and the second smoke baffle to rotate by 90 degrees, namely, the first smoke baffle and the second smoke baffle rotate to a vertical state, the first smoke baffle and the second smoke baffle rotate to the vertical state to enable the first smoke baffle to rapidly reach a working position, a fire control effect at a first time is achieved, the tension spring is always in a stretched state in the whole rotating process, the second smoke baffle is always tightly attached to the first smoke baffle to ensure that all actions are orderly carried out, then the lifting motor drives the rotating shaft to rotate, the traction steel wire is released, the second smoke baffle slides downwards relative to the first smoke baffle under the action of gravity, and finally the first smoke baffle and the second smoke baffle form a finished protection structure;
when the sensor detects that the fire signal disappears, the sensor transmits the control signal to the overturning motor and the lifting motor, the lifting motor drives the rotating shaft to rotate at first to roll the traction steel wire, meanwhile, the second smoke baffle plate is lifted upwards and finally is collected on the first smoke baffle plate, and when in a final state, the tension spring is in a stretched state to ensure that the second smoke baffle plate is tightly attached to the first smoke baffle plate, and then the overturning motor drives the sleeve to drive the first smoke baffle plate and the second smoke baffle plate to rotate by 90 degrees, namely, the first smoke baffle plate and the second smoke baffle plate rotate back to an initial horizontal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910861662.0A CN110448824B (en) | 2019-09-12 | 2019-09-12 | Movable rigid smoke-blocking vertical wall and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910861662.0A CN110448824B (en) | 2019-09-12 | 2019-09-12 | Movable rigid smoke-blocking vertical wall and use method thereof |
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| Publication Number | Publication Date |
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| CN110448824A CN110448824A (en) | 2019-11-15 |
| CN110448824B true CN110448824B (en) | 2024-02-06 |
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| CN201910861662.0A Active CN110448824B (en) | 2019-09-12 | 2019-09-12 | Movable rigid smoke-blocking vertical wall and use method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114355810B (en) * | 2021-12-28 | 2022-09-23 | 广州市锋安消防工程有限公司 | Remote smoke prevention and discharge intelligent control system of building fire-fighting Internet of things |
| CN116370861B (en) * | 2023-04-17 | 2023-09-26 | 河北恒泰消防器材有限公司 | Lifting mechanism of steel plate type smoke blocking vertical wall, smoke blocking vertical wall and use method of smoke blocking vertical wall |
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| CN106890408A (en) * | 2017-03-10 | 2017-06-27 | 广东工业大学 | A kind of inverse-T-shaped smoke-proof pendant wall |
| CN207445388U (en) * | 2017-10-10 | 2018-06-05 | 上海福垄消防工程有限公司 | Nested type movable smoke hangs down wall |
| CN209060409U (en) * | 2018-10-15 | 2019-07-05 | 江西政安消防有限公司 | A kind of movable smoke-proof pendant wall of large span |
| CN110201328A (en) * | 2019-06-10 | 2019-09-06 | 中国建筑设计研究院有限公司 | A kind of electric gear cigarette hangs down wall system and its control method |
| CN210583409U (en) * | 2019-09-12 | 2020-05-22 | 河北恒泰消防器材有限公司 | Movable rigid smoke-blocking vertical wall |
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