CN110812721B - Fire escape lifting mechanism for fire engineering - Google Patents
Fire escape lifting mechanism for fire engineering Download PDFInfo
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- CN110812721B CN110812721B CN201911009721.8A CN201911009721A CN110812721B CN 110812721 B CN110812721 B CN 110812721B CN 201911009721 A CN201911009721 A CN 201911009721A CN 110812721 B CN110812721 B CN 110812721B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/02—Devices for lowering persons from buildings or the like by making use of rescue cages, bags, or the like
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Abstract
The invention belongs to the technical field of fire escape, and particularly relates to a fire escape lifting mechanism for fire engineering, which comprises a lifting box, a supporting rod, a chain and a chain wheel, wherein in the designed escape device, an escape door is opened to enter the corresponding lifting box when the escape lifting mechanism is used, then the lifting box is driven to move downwards through gravity, after the lifting box for carrying people moves downwards to a position matched with the corresponding escape door of the next floor, the lifting box stops moving, and then the corresponding escape door is opened on the outer side to enter the next floor; if the corresponding door of the house of the next floor is also provided with fire after the escape device designed by the invention enters the next floor, people can directly walk to the other side of the slow walking platform and continue to go downwards through another set of lifting box; therefore, when people escape, the escape device designed by the invention takes the lifting box to escape according to the Z shape.
Description
Technical Field
The invention belongs to the technical field of fire escape, and particularly relates to a fire escape lifting mechanism for fire engineering.
Background
Along with the development of cities and towns, national high-rise civil buildings and commercial buildings are increased day by day, the potential safety hazards of the high-rise buildings are more, particularly, the fire hazard, the high-rise fire hazard has the characteristics of rapid fire spread, difficult evacuation and high difficulty in putting out a fire, and as the high-rise buildings are complex in structure and dense in personnel, once the fire hazard happens, the fire hazard and dense smoke are rapidly expanded due to the chimney effect, the evacuation channel in the buildings is easily blocked, the personnel in the high-rise buildings at the body are difficult to escape, and the probability of casualties is very high; and some high-rise fires are caused by indoor labor, the fire of the fire can preferentially escape through a door or a window, the fire escaping through the door can block the stairs at the door opening, so that the corridor between two adjacent layers is blocked, and people cannot go up and down, so that the escape device capable of escaping from the corridor of two adjacent layers in the high-rise building is very necessary to design.
The invention designs a fire escape lifting mechanism for fire engineering to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a fire escape lifting mechanism for fire engineering, which is realized by adopting the following technical scheme.
The utility model provides a conflagration elevating system that flees for fire engineering which characterized in that: the escape system comprises a lifting box, volute springs, supporting rods, chains and chain wheels, wherein a glass window convenient for light transmission is respectively arranged on the wall surface of each floor of the corridor in the building, which is positioned on one side of each floor far away from the house entrance, two escape openings are symmetrically formed in the wall surface of each floor in the building, which is provided with the glass window, in a left-right manner, one escape door is respectively arranged in each escape opening, and the two escape doors are matched with the slow-stepping platforms in the stairs in the corresponding floors; the escape door can be ensured to be opened from the stepping platform and enter the escape opening; each escape door is provided with an electromagnetic lock; when a fire disaster occurs, the access control system for controlling the power supply of the electromagnetic lock can be powered off after sensing the fire disaster, the electromagnetic lock loses the suction force, namely the escape door can be opened, the electromagnetic lock is the same as the electromagnetic lock used on the traditional door and can be directly purchased on the market, the electromagnetic lock can also be electrically connected with a fire-fighting system, and after the fire-fighting alarm is given, the electromagnetic lock is automatically controlled to be powered off; the escape door is designed on the wall surface corresponding to the slow walking platform in the stairs; two groups of guide grooves are formed in the outer wall surface of the building, wherein the outer wall surface is provided with the glass window, two adjacent guide grooves in each group are distributed on the outer wall surface of the building from top to bottom, from left to right, and the two groups of guide grooves are alternately distributed from top to bottom; a chain groove is formed in the inner side of each guide groove; the guide grooves and the chain grooves are triangular, each guide groove surrounds a corresponding escape opening, four mounting grooves are formed in the inner end face of each chain groove, three of the four mounting grooves are located at three corners of the chain groove, and the other mounting groove is located on the inner end face of the groove body located on the uppermost side in the chain groove; a chain wheel is arranged in each of the four mounting grooves through a rotating shaft; the chain is wound on the four chain wheels and is positioned in the chain groove; the four chain wheels play a role in guiding and supporting the chains; two support rods are arranged in each guide groove in a sliding fit manner, and one ends of the two support rods, which are matched with the guide grooves, are fixedly connected with the chains; the chain can drive the corresponding supporting rod to move along the guide rail; each supporting rod is provided with a lifting box, and each lifting box is matched with an upper escape door and a lower escape door which are arranged on the same side; the supporting rods support and drive the lifting boxes, and the supporting rods move to drive the corresponding lifting boxes to move; according to the invention, the guide groove is divided into two parts by the positions of the two support rods in the guide groove, and the distances between the two parts are equal, namely, a chain connecting the two support rods is divided into two parts by the two support rods, and the two parts of the chain are equal in length; when people enter one of the two lifting boxes positioned on the upper side, one lifting box positioned on the upper side can move downwards under the action of the gravity of the people, the chain can be driven by the supporting rod to move in the process that the lifting box moves downwards, and the other lifting box can be driven by the chain to move.
The upper end surface and the lower end surface of a corridor in the building, which are provided with escape openings, are respectively provided with a shaft hole, the inner circular surface of each shaft hole is provided with a mounting circular groove, one end of the escape door is respectively provided with two door shafts in an up-and-down symmetrical manner, and the escape door is provided with the corresponding escape openings through the matching of the two door shafts and the two shaft holes; a volute spiral spring is installed between each door shaft and the corresponding installation circular groove, and the volute spiral spring plays a reset role in the escape door, so that the escape door can be automatically closed after being opened.
As a further improvement of the technology, the inner sides of the guide grooves formed in the building are respectively provided with two guide rails which are distributed inside and outside, the two guide rails designed by the invention are made of steel materials and are fixed in the guide grooves through bolts, and the guide grooves have the function of enabling the support rods to be supported more firmly; the supporting cylinders are arranged between the two corresponding guide rails in a sliding fit mode, one ends of the supporting cylinders are connected with the supporting rods, the other ends of the supporting cylinders are provided with connecting shafts, the connecting shafts are fixedly connected with the corresponding chains, and the supporting rods are reinforced to be fixed through the supporting cylinders, so that the supporting rods can support the lifting box more firmly; the support cylinder can drive the support rod to slide along the guide rail.
As a further improvement of the present technology, the outer circumferential surface of the support cylinder has external threads, the inner circumferential surface of the thread sleeves has internal threads, the two thread sleeves are respectively installed on the support cylinder through the thread matching of the internal threads on the two thread sleeves and the external threads on the support cylinder, the outer end surfaces of the two thread sleeves are respectively installed with a plurality of balls through rolling matching, and the balls are used for reducing the sliding friction between the support cylinder and the guide rail; the two thread sleeves are in sliding fit with the two corresponding guide rails, one end of the supporting rod is installed on the outer end face of one of the two thread sleeves, and the connecting shaft is installed on the outer end face of the other of the two thread sleeves.
As a further improvement of the present technology, the guide rail is made of steel.
As a further improvement of the present technology, the door shaft is mounted in the shaft hole through a bearing.
As a further improvement of the technology, each rotating shaft provided with the chain wheel is provided with a rotary damper; the outer end of the rotary damper is fixedly arranged in the corresponding mounting groove through a supporting plate; the rotary damper is used for reducing the rotating speed of the chain wheel, namely reducing the moving speed of the chain; and then reduce the speed that the lift case slided downwards, reduce people's potential safety hazard in the lift case.
As a further improvement of the technology, the chain wheels are replaced by synchronous belt wheels, a synchronous belt is wound between the synchronous belt wheels, and the supporting rod is arranged on the synchronous belt.
As a further improvement of the technology, the connecting shaft is fixedly arranged on the side surface of the chain in a welding mode.
As a further improvement of the technology, lubricating grease is added between the two guide rails and the threaded sleeve, so that the sliding friction between the guide rails and the supporting cylinder is reduced.
Compared with the traditional fire escape technology, the design of the invention has the following beneficial effects:
1. according to the escape device designed by the invention, when the escape door is opened to enter the corresponding lifting box, then the lifting box is driven to move downwards through gravity, and simultaneously the other lifting box corresponding to the lifting box moves upwards; and the cage, which was originally located at the lower side, is moved to the upper side in preparation for the next time.
2. The escape door in the escape device designed by the invention is positioned on the wall surface corresponding to the slow-stepping platform on the stairs, so that people positioned on the stairs can directly enter the next floor through the escape device without passing through the stairs at the doorway of a house; if the corresponding door of the house of the next floor is also provided with fire after the escape device designed by the invention enters the next floor, people can directly walk to the other side of the slow walking platform and continue to go downwards through another set of lifting box; therefore, when people escape, the escape device designed by the invention takes the lifting box to escape according to the Z shape.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic plan view of the overall component distribution.
Fig. 4 is a schematic view of a staircase structure.
Fig. 5 is a schematic view showing the distribution of escape doors.
Fig. 6 is a schematic view of the guide groove distribution.
Fig. 7 is a schematic view of the structure of the guide groove.
Fig. 8 is a schematic view of a chain groove structure.
FIG. 9 is a schematic view of the mounting groove distribution.
Fig. 10 is a schematic view showing the arrangement of the cage and the escape doors.
Fig. 11 is a schematic view of the combination of the cage and the escape door.
Fig. 12 is a schematic view of the lift box construction.
Fig. 13 is a schematic view of the structure of the escape door.
Figure 14 is a schematic view of the support rod installation.
FIG. 15 is a chain installation schematic.
Fig. 16 is a schematic view of the support cylinder mounting.
Fig. 17 is a schematic view of the guide rail arrangement.
Fig. 18 is a schematic view of a guide rail structure.
FIG. 19 is a schematic view of the chain engaging the sprocket.
FIG. 20 is a schematic view of a sprocket installation.
Fig. 21 is a schematic view of a threaded sleeve installation.
FIG. 22 is a schematic view of a threaded sleeve configuration.
Number designation in the figures: 2. a staircase; 3. a building; 4. an escape door; 5. a glass window; 6. a guide groove; 9. a slow step platform; 10. mounting grooves; 11. a shaft hole; 13. a chain groove; 15. an escape opening; 18. installing a circular groove; 22. a lifting box; 24. a door shaft; 25. a volute spiral spring; 38. a guide rail; 39. a support bar; 40. a support cylinder; 41. a chain; 42. a rotating shaft; 43. a rotary damper; 44. a chain wheel; 45. a support plate; 46. a threaded sleeve; 47. a connecting shaft; 48. and a ball.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the escape system comprises a lifting box 22, a volute spring 25, a support rod 39, a chain 41 and a chain 41 wheel, wherein as shown in fig. 6, a glass window 5 convenient for light transmission is respectively installed on the wall surface of one side, far away from the door opening, of each floor of the corridor in the building 3, as shown in fig. 5 and 6, two escape openings 15 are symmetrically formed on the wall surface of each floor of the building 3, provided with the glass window 5, in the left-right direction, two escape openings 15 are respectively installed in each escape opening 15, and as shown in fig. 3 and 4, the two escape openings 4 are matched with a slow-stepping platform 9 in the stair 2 in the corresponding floor; the escape door can be ensured to be opened from the stepping platform and enter the escape opening; each escape door 4 is provided with an electromagnetic lock; when a fire disaster occurs, the access control system for controlling the power supply of the electromagnetic lock is powered off after sensing the fire disaster, the electromagnetic lock loses the suction force, namely the escape door 4 can be opened, and the electromagnetic lock is the same as the electromagnetic lock used on the traditional door and can be directly purchased in the market; the escape door 4 is designed on the wall surface corresponding to the slow walking platform in the stair 2; as shown in fig. 6, two groups of guide grooves 6 are formed on the outer wall surface of the building 3 with the glass window 5, two adjacent guide grooves 6 in each group are distributed on the outer wall surface of the building 3 from top to bottom and from left to right, and the two groups of guide grooves 6 are alternately distributed from top to bottom; as shown in fig. 7 and 8, a chain groove 13 is formed on the inner side of each guide groove 6; the guide grooves 6 and the chain grooves 13 are triangular, each guide groove surrounds a corresponding escape opening, as shown in fig. 9, four mounting grooves 10 are formed in the inner end face of each chain groove 13, three mounting grooves 10 of the four mounting grooves 10 are located at three corners of the chain groove 13, and the other mounting groove 10 is located at the inner end face of the uppermost groove body of the chain groove 13; as shown in fig. 1 and 19, a chain 41 wheel is mounted in each of the four mounting grooves 10 through a rotating shaft 42; the chains 41 are wound on the four wheels of the chains 41 and are positioned in the chain grooves 13; the four chains 41 act as guide supports for the chains 41.
As shown in fig. 14 and 15, two support rods 39 are installed in each guide groove 6 in a sliding fit manner, and one ends of the two support rods 39, which are matched with the guide grooves 6, are fixedly connected with a chain 41; the chain 41 moves to drive the corresponding support rod 39 to move along the guide rail 38; as shown in fig. 11 and 12, each support rod 39 is provided with a lifting box 22, and as shown in fig. 10, each lifting box is matched with an upper escape door and a lower escape door on the same side; the supporting rod 39 plays a role in supporting and driving the lifting box 22, and the supporting rod 39 moves to drive the corresponding lifting box 22 to move; in the invention, the guide groove 6 is divided into two parts by the positions of the two support rods 39 in the guide groove 6, and the distance between the two parts is equal, namely, the chain 41 connecting the two support rods 39 is divided into two parts by the two support rods, and the two parts of the chain 41 are equal in length; when a person enters one of the two lifting boxes 22 positioned at the upper side, the one lifting box 22 positioned at the upper side moves downwards under the action of the gravity of the person, the chain 41 is driven to move by the support rod 39 in the process that the lifting box 22 moves downwards, and the other lifting box 22 is driven to move by the movement of the chain 41.
As shown in fig. 7, shaft holes 11 are respectively formed on the upper end surface and the lower end surface of a corridor in the building 3, in which an escape opening 15 is formed, and an inner circular surface of each shaft hole 11 is provided with a mounting circular groove 18, as shown in fig. 13, one end of the escape door 4 is respectively provided with two door shafts 24 in an up-and-down symmetrical manner, and the escape door 4 is mounted in the corresponding escape opening 15 through the matching of the two door shafts 24 and the two shaft holes 11; a volute spiral spring 25 is arranged between each door shaft 24 and the corresponding mounting circular groove 18, and the volute spiral spring 25 plays a role in resetting the escape door 4, so that the escape door 4 can be automatically closed after being opened.
As shown in fig. 1 and 17, two guide rails 38 distributed inside and outside are mounted on the inner sides of the guide grooves 6 formed in the building 3, and the two guide rails 38 designed by the invention are made of steel materials and are fixed in the guide grooves 6 through bolts, so that the support of the guide grooves 6 on the support rods 39 becomes firmer; as shown in fig. 15 and 16, the supporting cylinder 40 is installed between the two corresponding guide rails 38 by sliding fit, one end of the supporting cylinder 40 is connected with the supporting rod 39, the other end of the supporting cylinder 40 is installed with a connecting shaft 47, the connecting shaft 47 is fixedly connected with the corresponding chain 41, and the supporting rod 39 is reinforced and fixed by the supporting cylinder 40, so that the supporting rod 39 can support the lifting box 22 more firmly; the support column 40 can slide the support bar 39 along the guide rail 38.
As shown in fig. 21, the outer circumferential surface of the support cylinder 40 has an external thread, the inner circumferential surface of the thread bush 46 has an internal thread, and the two thread bushes 46 are respectively mounted on the support cylinder 40 by the thread engagement of the internal thread thereon and the external thread on the support cylinder 40, as shown in fig. 22, a plurality of balls 48 are respectively mounted on the outer circumferential surfaces of the two thread bushes 46 by rolling engagement, and the balls 48 function to reduce sliding friction between the support cylinder 40 and the guide rail 38; as shown in fig. 16 and 18, two threaded sleeves 46 are slidably fitted to the corresponding two guide rails 38, and one end of the support rod 39 is mounted on the outer end face of one of the two threaded sleeves 46, and a connecting shaft 47 is mounted on the outer end face of the other of the two threaded sleeves 46.
The guide rail 38 is made of steel.
The door shaft 24 is mounted in the shaft hole 11 through a bearing.
As shown in fig. 20, a rotary damper 43 is mounted on each of the rotating shafts 42 on which the wheels of the chain 41 are mounted; and the outer end of the rotary damper 43 is fixedly installed in the corresponding installation groove 10 through the support plate 45; the function of the rotary damper 43 is to reduce the rotational speed of the wheel of the chain 41, i.e. to reduce the speed of movement of the chain 41; and then the speed that lift case 22 slided downwards reduces lift case 22 in people's the potential safety hazard.
The chain wheels are replaced by synchronous belt wheels, synchronous belts are wound among the synchronous belt wheels, and the supporting rod 39 is installed on the synchronous belts.
The connecting shaft 47 is fixedly mounted on the side of the chain 41 by welding.
Grease is added between the two guide rails 38 and the threaded sleeve 46, and sliding friction between the guide rails 38 and the support cylinder 40 is reduced.
The specific working process is as follows: when the escape device designed by the invention is used, in the using process, if a fire is found and in the downward escape process, when a fire exists at the door opening of a house positioned at the lower side, people can open the escape door 4 at the slow walking platform at the upper side of the door opening and enter the lifting box 22, the lifting box 22 can move downwards under the action of the gravity of people, the lifting box 22 can drive the chain 41 to move through the supporting rod 39 in the downward movement process, the chain 41 can drive the lifting box 22 corresponding to the chain to move upwards by moving, after the lifting box 22 bearing people moves downwards to the position matched with the escape door 4 corresponding to the next floor, the lifting box 22 stops moving, and then the corresponding escape door 4 is opened at the outer side and enters the next floor; and the cage 22, which was originally located at the lower side, is moved to the upper side to prepare for the next time; when people enter the next floor and fire exists at the door of the house corresponding to the next floor, people can directly walk to the other side of the slow walking platform and continue to go downwards through the other set of lifting box 22; until complete escape.
In summary, the following steps: according to the escape device designed by the invention, when the escape door 4 is opened to enter the corresponding lifting box 22, then the lifting box 22 is driven to move downwards through gravity, and simultaneously the other lifting box 22 corresponding to the lifting box 22 moves upwards, after the lifting box 22 bearing people moves downwards to a position matched with the escape door 4 corresponding to the next floor, the lifting box 22 stops moving, and then the corresponding escape door 4 is opened on the outer side to enter the next floor; and the cage 22, which was originally located at the lower side, is moved to the upper side to prepare for the next time; moreover, most of the fire disasters in the building 3 are caused by indoor labor, the fire of the fire disasters can be blown out through a door or a window preferentially, the fire blown out through the door can block the stairs 2 at the door opening, so that the corridors between two adjacent layers are blocked, and people cannot go up and down, but the escape door 4 in the escape device designed by the invention is positioned on the wall surface corresponding to the slow walking platform 9 on the stairs 2, so that people positioned on the stairs 2 can directly go down to the next layer through the escape device without passing through the stairs 2 at the door opening of a house; if the corresponding door of the house of the next floor is also provided with fire after the escape device designed by the invention enters the next floor, people can directly walk to the other side of the slow walking platform and continue to go downwards through another set of lifting box 22; therefore, when people escape, the escape device designed by the invention takes the lifting box 22 to escape according to the Z shape.
Claims (9)
1. The utility model provides a conflagration elevating system that flees for fire engineering which characterized in that: the escape door comprises a lifting box, a volute spiral spring, a supporting rod, a chain and a chain wheel, wherein a glass window is respectively arranged on the wall surface of each floor of the corridor in the building, which is far away from the side of the residential doorway, two escape openings are symmetrically formed in the wall surface of each floor of the building, which is provided with the glass window, in each escape opening, an escape door is arranged in each escape opening, and the two escape doors are matched with a slow-stepping platform in the stairs in the corresponding floor, so that a person can be ensured to open the escape doors from the slow-stepping platforms and enter the escape openings; each escape door is provided with an electromagnetic lock;
two groups of guide grooves are formed in the outer wall surface of the building, wherein the outer wall surface is provided with the glass window, two adjacent guide grooves in each group are distributed on the outer wall surface of the building from top to bottom, from left to right, and the inner side of each guide groove is provided with a chain groove; the guide grooves and the chain grooves are triangular, each guide groove surrounds a corresponding escape opening, four mounting grooves are formed in the inner end face of each chain groove, three of the four mounting grooves are located at three corners of the chain groove, and the other mounting groove is located on the inner end face of the groove body located on the uppermost side in the chain groove; a chain wheel is arranged in each of the four mounting grooves through a rotating shaft; the chain is wound on the four chain wheels and is positioned in the chain groove; two support rods are arranged in each guide groove in a sliding fit manner, and one ends of the two support rods, which are matched with the guide grooves, are fixedly connected with the chains; each supporting rod is provided with a lifting box, and each lifting box is matched with an upper escape door and a lower escape door which are arranged on the same side;
the upper end surface and the lower end surface of a corridor in the building, which are provided with escape openings, are respectively provided with a shaft hole, the inner circular surface of each shaft hole is provided with a mounting circular groove, one end of the escape door is respectively provided with two door shafts in an up-and-down symmetrical manner, and the escape door is provided with the corresponding escape openings through the matching of the two door shafts and the two shaft holes; and a volute spiral spring is arranged between each door shaft and the corresponding mounting circular groove.
2. A fire escape lifting mechanism for fire fighting engineering according to claim 1, characterized in that: two guide rails which are distributed inside and outside are installed on the inner sides of the guide grooves formed in the building, the supporting cylinders are installed between the two corresponding guide rails through sliding fit, one ends of the supporting cylinders are connected with the supporting rods, the other ends of the supporting cylinders are provided with connecting shafts, and the connecting shafts are fixedly connected with the corresponding chains.
3. A fire escape lifting mechanism for fire fighting engineering according to claim 2, characterized in that: the outer circular surface of the support cylinder is provided with an external thread, the inner circular surface of each thread sleeve is provided with an internal thread, the two thread sleeves are respectively installed on the support cylinder through the internal threads on the thread sleeves and the thread matching of the external thread on the support cylinder, a plurality of balls are installed on the outer end surfaces of the two thread sleeves through rolling matching, the two thread sleeves are in sliding fit with the corresponding two guide rails, one end of the support rod is installed on the outer end surface of one of the two thread sleeves, and the connecting shaft is installed on the outer end surface of the other of the two thread sleeves.
4. A fire escape lifting mechanism for fire fighting engineering according to claim 2, characterized in that: the guide rail is made of steel material.
5. A fire escape lifting mechanism for fire fighting engineering according to claim 1, characterized in that: the door shaft is mounted in the shaft hole through a bearing.
6. A fire escape lifting mechanism for fire fighting engineering according to claim 1, characterized in that: each rotating shaft provided with the chain wheel is provided with a rotary damper; and the outer end of the rotary damper is fixedly arranged in the corresponding mounting groove through a supporting plate.
7. A fire escape lifting mechanism for fire fighting engineering according to claim 1, characterized in that: the chain wheel is replaced by synchronous belt wheels, synchronous belts are wound among the synchronous belt wheels, and the supporting rod is arranged on the synchronous belts.
8. A fire escape lifting mechanism for fire fighting engineering according to claim 3, characterized in that: the connecting shaft is fixedly arranged on the side surface of the chain in a welding mode.
9. A fire escape lifting mechanism for fire fighting engineering according to claim 3, characterized in that: lubricating grease is added between the two guide rails and the threaded sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009721.8A CN110812721B (en) | 2019-10-23 | 2019-10-23 | Fire escape lifting mechanism for fire engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911009721.8A CN110812721B (en) | 2019-10-23 | 2019-10-23 | Fire escape lifting mechanism for fire engineering |
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| Publication Number | Publication Date |
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| CN110812721A CN110812721A (en) | 2020-02-21 |
| CN110812721B true CN110812721B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911009721.8A Active CN110812721B (en) | 2019-10-23 | 2019-10-23 | Fire escape lifting mechanism for fire engineering |
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| CN (1) | CN110812721B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921107B (en) * | 2020-08-14 | 2021-07-30 | 长沙环康科技有限公司 | Netted pipeline type emergency escape channel device |
| CN112340564A (en) * | 2020-11-10 | 2021-02-09 | 倾幽(温州)信息技术有限公司 | Escape structure of intelligent building |
| CN113663237A (en) * | 2021-07-30 | 2021-11-19 | 邓允河 | High-rise building escape system and method |
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| JP2003285985A (en) * | 2002-03-28 | 2003-10-07 | Hishii Shoji Co Ltd | Emergency escape apparatus |
| CN2558401Y (en) * | 2002-06-17 | 2003-07-02 | 蔡登凯 | Emergency ladder for lowering person from building |
| CN201643450U (en) * | 2009-12-30 | 2010-11-24 | 上海市闸北区中小学科技指导站 | Crane type high-rise escape device |
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| CN109395262A (en) * | 2018-12-04 | 2019-03-01 | 梁振杰 | A kind of escape device for high-rise buildings |
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| CN110812721A (en) | 2020-02-21 |
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