CN115845282A - Method for rescuing trapped people in fire window of multi-storey building - Google Patents
Method for rescuing trapped people in fire window of multi-storey building Download PDFInfo
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- CN115845282A CN115845282A CN202211452157.9A CN202211452157A CN115845282A CN 115845282 A CN115845282 A CN 115845282A CN 202211452157 A CN202211452157 A CN 202211452157A CN 115845282 A CN115845282 A CN 115845282A
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Abstract
The invention provides a method for rescuing trapped people in a fire window of a multi-storey building. The method comprises the following steps: providing a fan; providing an air guide pipe, and communicating an air inlet end of the air guide pipe with the fan so that the air guide pipe can guide the air blown out by the fan; the support piece is provided and connected with the air outlet end of the air guide pipe, the support piece is moved to enable the air outlet of the air outlet end to face the trapped person, and then strong wind blown out by the fan can blow to the trapped person, so that the trapped person can obtain fresh air, flame is prevented from burning the trapped person, the trapped person is prevented from sucking a large amount of dense smoke, meanwhile, high temperature is reduced, and living space is won for the trapped person. The method can rapidly expand rescue actions only by combining the fan, the air guide pipe and the support piece, is less dependent on external conditions, can be implemented when the person arrives at the scene, ensures temporary survival conditions of the trapped person, can win precious time for attacking, breaking and rescuing the person, and greatly improves the rescue success rate.
Description
Technical Field
The invention relates to the technical field of fire rescue, in particular to a method for rescuing trapped people at a fire window of a multi-storey building.
Background
After a fire disaster occurs, people in the multi-storey building are often trapped in windows, and a plurality of windows are provided with anti-theft nets or are not provided with anti-theft nets, but escape is impossible due to overhigh floors, so that the life safety of the trapped people is seriously threatened.
According to statistics, 80% of people in the fire are fumigated rather than burned, so that under the condition of fire, people are necessary to construct living space for trapped people and strive for rescue time for external force. At present, the common rescue methods are that people are rescued by simply attacking the inside or cutting a broken window from the outside by matching with a pulling ladder, a water gun, a breaking and dismantling tool and the like, and the methods have the defects of long time consumption, high rescue difficulty, low rescue efficiency and poor rescue effect, so that the situation that trapped people die sometimes occurs.
Disclosure of Invention
The invention aims to provide a method for rescuing trapped people in a fire window of a multi-storey building, which can build living space for the trapped people, strive for rescue time and improve rescue success rate.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to one aspect of the present invention, there is provided a method of rescuing people trapped in a fire window of a multistory building, the method comprising: providing a fan; providing an air guide pipe, and communicating an air inlet end of the air guide pipe with the fan so that the air guide pipe can guide the air blown out by the fan; and providing a support piece, connecting the support piece to the air outlet end of the air guide pipe, and moving the support piece to enable the air outlet of the air outlet end to face the trapped person.
In some embodiments of the present application, the support comprises a support bar; one end of the supporting rod is fixed, and the other end of the supporting rod is connected to the air outlet end of the air guide end.
In some embodiments of the present application, the lower end of the support rod is fixed below the floor to be trapped, and the upper end of the support rod is connected to the air outlet end of the air guide pipe; or the upper end of the supporting rod is fixed above the trapped floor, and the lower end of the supporting rod is connected to the air outlet end of the air guide pipe.
In some embodiments of the present application, the supporting member includes at least one of the supporting rods, and the supporting rods are structural rods that can be spliced, so that the total length of the supporting rods can be extended or shortened by adjusting the splicing number of the at least one supporting rod.
In some embodiments of the present application, the support rod comprises a stage, a first thread section, a main body section and a second thread section, which are connected in sequence; the outer diameter of the step end is smaller than that of the first thread section; the outer peripheral wall of the first thread section is provided with an external thread; the outer peripheral wall of the second thread section is provided with external threads, and the inner diameter of the second thread section is larger than that of the main body section; when at least one supporting rod is spliced, the step section of one adjacent supporting rod is inserted into the second thread section of the other adjacent supporting rod; the method further comprises the step of providing at least one locking sleeve, wherein internal threads are formed in the inner peripheral wall of the locking sleeve, the locking sleeve is connected to the first thread section and the second thread section on the two adjacent supporting rods in a threaded mode, and the two supporting rods are fixed.
In some embodiments of the present application, the supporting rod is a rod with a telescopic structure, so as to extend or shorten the length of the supporting rod by adjusting the telescopic structure of the supporting rod.
In some embodiments of the present application, the support member includes at least two pulling cables, one end of each pulling cable is connected to the air outlet of the air guide duct, and a resultant force of the pulling forces provided by the pulling cables fixes the air outlet end.
In some embodiments of the present application, the pull cords include at least a first pull cord and a second pull cord; the upper end of the first hauling rope is fixed above the trapped floor, and the lower end of the second hauling rope is connected to the air guide pipe; or the lower end of the second hauling rope is fixed below the trapped floor, and the upper end of the second hauling rope is connected to the air guide pipe;
the air outlet end is fixed by resultant force provided by the first traction rope and the second traction rope.
In some embodiments of the present application, the air outlet faces the face and chest of the trapped person.
According to some embodiments of the application, the fan is a vehicle-mounted portable independent self-powered fire-fighting smoke exhaust fan.
According to the technical scheme, the invention has at least the following advantages and positive effects:
in the method for rescuing the trapped people in the fire window of the multi-story building, the air guide pipe is used for guiding the air blown out by the fan, the air outlet at the air outlet end of the air guide pipe faces the trapped people by moving the support piece, and then the strong air blown out by the fan can blow towards the trapped people, so that the trapped people can obtain fresh air, flames are prevented from burning the trapped people, the trapped people are prevented from sucking a large amount of dense smoke, high temperature is reduced, and living space is won for the trapped people. In addition, the method can rapidly expand rescue actions only by combining the fan, the air guide pipe and the support piece, is less dependent on external conditions, can be implemented when the person is on the spot, ensures temporary survival conditions of the trapped person, can win precious time for attacking, breaking and rescuing the person, and can greatly improve the rescue success rate.
Drawings
Fig. 1 is a flowchart of a method for rescuing people trapped in a fire window of a multistory building according to an embodiment of the present invention.
FIG. 2 is a schematic diagram showing the construction of the method of FIG. 1 in an expanded state.
Fig. 3 is a schematic structural view of the blower in fig. 2.
Fig. 4 is a sectional view of the duct of fig. 2.
Fig. 5 is a sectional view of the support bar of fig. 2.
Fig. 6 is a sectional view of the two support rods when they are spliced, wherein the locking sleeve is used to lock and fix the two support rods.
Fig. 7 is an enlarged schematic view of region a in fig. 6.
Figure 8 is a cross-sectional view of the two support rods when they are joined together with the locking sleeve unlocked to secure the two support rods.
Fig. 9 is an enlarged schematic view of region B in fig. 8.
Fig. 10 is a schematic view of the support rod and the first yoke of fig. 2.
Figure 11 is a cross-sectional view of the support rod and connector of figure 10.
The reference numerals are explained below: 1. a fan; 11. a housing; 12. a support; 2. an air guide pipe; 3. a support bar; 31. a stage of stage; 32. a first thread segment; 33. a main body section; 34. a second thread segment; 35. a reducing section; 4. a support ring; 5. a locking sleeve; 51. a first part; 52. a second section; 521. a visual aperture; 61. a first reinforcing ring; 62. a second reinforcing ring; 71. a first clamp; 711. a connecting member; 712. clamping arms; 713. a locking member; 72. and a second clamp.
Detailed Description
While this invention is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated.
Thus, a feature indicated in this specification is intended to describe one of the features of an embodiment of the invention and does not imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the embodiments shown in the drawings, directional references (such as upper, lower, left, right, front and rear) are used to explain the structure and movement of the various elements of the invention, rather than absolute, and relative. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.
The preferred embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, a method for rescuing people trapped in a fire window of a multi-story building, which can rapidly supply air according to an embodiment of the present invention, includes the following steps.
S10, providing a fan 1.
And S20, providing an air guide pipe 2, and communicating the air inlet end of the air guide pipe 2 with the fan 1 so that the air guide pipe 2 can guide the air blown out by the fan 1.
And S30, providing a support piece, connecting the support piece to the air outlet end of the air guide pipe 2, and moving the support piece to enable the air outlet of the air outlet end to face the trapped people.
Utilize the wind guide pipe 2 to lead to the wind that fan 1 blew out, rethread removes support piece and makes the air outlet orientation stranded personnel of the air-out end of wind guide pipe 2, and then the strong wind that fan 1 blew out can blow to stranded personnel, makes stranded personnel obtain fresh air, prevents that flame from burning to stranded personnel to avoid stranded personnel to inhale a large amount of dense smoke, reduce high temperature simultaneously, win living space for stranded personnel.
In addition, the method can rapidly expand rescue actions only by combining the fan 1, the air guide pipe 2 and the support piece, can be implemented by depending on less external conditions and arriving at the scene, can estimate the expansion time to be no more than 1 minute at the fastest, can rapidly directionally convey the wind manufactured by the fan 1 to the position of the trapped person, and ensures the temporary survival condition of the trapped person, and the traditional rescue method has the advantages of low expansion speed, long required time and usually more than 5 minutes. Therefore, the method can win precious time for attacking, breaking and rescuing people, and the rescue success rate can be greatly improved.
It is worth mentioning that when the air outlet is towards the trapped person's face and has the chest concurrently, its effect is especially good, can avoid trapped person to inhale a large amount of dense smoke better.
The air guide pipe 2 may be made of a flexible material so as to be convenient to carry and adjust, for example, the air guide pipe 2 may be a corrugated pipe or a foldable and retractable cloth pipe. A support ring 4 is arranged in the flexible air guide pipe 2, and the support ring 4 extends along the circumferential direction of the air guide pipe 2 so as to radially support the air guide pipe 2. The lock ring 4 is equipped with a plurality ofly to be the interval ground along the axial of guide duct 2 and set up, can avoid the flat influence air output that collapses of guide duct 2, guaranteed to have enough strong wind to blow to stranded personnel, further ensured stranded personnel's survival conditions, be favorable to creating rescue time and living space, and be convenient for pack up, carry.
In some embodiments, the support comprises a support bar 3. One end of the supporting rod 3 is fixed, and the other end of the supporting rod 3 is connected to the air outlet end of the air guide end. The one end that can be the handheld bracing piece 3 of fire fighter is fixed, is convenient for adjust the position of the air outlet of guide duct 2 according to stranded personnel's the condition, also can be after adjusting the position of air outlet, adopts fixing device to fix the one end of bracing piece 3. And, the bracing piece 3 is the rigidity support, is difficult to be blown by the wind and produces and sway, guarantees that the air outlet can aim at stranded personnel.
In some embodiments, the lower end of the support rod 3 is fixed below the trapped floor, and the upper end of the support rod 3 is connected to the air outlet end of the air guide pipe 2. For example, the firefighter can stand on the ground to hold the lower end of the support rod 3, or can stand on a floor below the trapped floor, which is suitable for the case that the trapped floor is low, for example, the trapped floor can be five floors or less. Wherein, the floor trapped is the floor where the trapped person is.
In other embodiments, the upper end of the support rod 3 is fixed above the trapped floor, and the lower end of the support rod 3 is connected to the air outlet end of the air guide pipe 2. For example, a firefighter can stand on the upper end of the floor (such as the top floor) above the trapped floor, and this mode is suitable for the situation that the trapped floor is higher, when the support rod 3 is held on the ground, the length of the support rod 3 cannot reach the trapped floor, and the trapped floor is closer to the top floor or other floors above the top floor.
It can be understood that the firefighter can also hold one end of the support rod 3 in other rooms on the same floor of the trapped floor, so that the air outlet connected to the air outlet end at the other end of the support rod 3 faces the trapped person.
In some embodiments, the supporting member includes at least one supporting rod 3, and the supporting rod 3 is a splicing structure rod, so as to extend or shorten the total length of the supporting rod 3 by adjusting the splicing number of the at least one supporting rod 3, thereby being capable of lifting the air outlet end of the air guide pipe 2 to different heights, and being suitable for rescuing people on different floors.
Referring to fig. 5 to 7, as an example, the support rod 3 includes a step section 31, a first threaded section 32, a main body section 33 and a second threaded section 34 connected in sequence. The stepped end has an outer diameter less than the outer diameter of the first thread segments 32. The first thread segments 32 have external threads on their peripheral walls. The second thread section 34 has an external thread on an outer peripheral wall thereof, and the second thread section 34 has an inner diameter larger than that of the main body section 33. When at least one support rod 3 is spliced, the step section 31 of one adjacent support rod 3 is inserted into the second thread section 34 of the other adjacent support rod 3. Fire control rescue device still includes at least one lock sleeve 5, has the internal thread on the internal perisporium of lock sleeve 5, through rotating lock sleeve 5, makes lock sleeve 5 threaded connection on first screw thread section 32 and second screw thread section 34 on two adjacent bracing pieces 3 to fix two bracing pieces 3, accomplish the concatenation of two bracing pieces 3, the accessible increases the quantity of bracing piece 3 and lock sleeve 5, accomplishes the concatenation of a plurality of bracing pieces 3.
As another example, instead of using the locking sleeve 5, the ends of two adjacent support rods 3 may be directly screwed into butt joints. But adopt lock sleeve 5 to carry out the mode of two bracing pieces 3 concatenations, it is more convenient that the shorter lock sleeve 5 of rotation length compares in the longer bracing piece 3 of rotation length, has increased substantially the concatenation speed, and then can implement the device sooner, ensures stranded personnel's life safety.
Referring to fig. 8 and 9, the supporting rod 3 further includes a reduced diameter section 35 located between the main body section 33 and the second thread section 34. The reduced diameter section 35 has an outer diameter less than the outer diameters of the body section 33 and the second thread section 34. The locking sleeve 5 can move to the diameter reducing section 35 for splicing the support rods 3.
Referring primarily to fig. 7 and 9, the locking sleeve 5 includes a first portion 51 and a second portion 52. The first portion 51 has an internal thread on its inner peripheral wall. The first portion 51 is screwed on the first thread section 32 and the second thread section 34 of two adjacent support rods 3, the second portion 52 is sleeved on the part of the main body section 33 close to the second thread section 34, and the second portion 52 enables the locking sleeve 5 and the main body section 33 to have a longer overlapping length, so that the support rods 3 are more stably fixed.
The second portion 52 is provided with a visible hole 521, and the locking sleeve 5 may be designed such that when the locking sleeve 5 rotates to a transition point where the second thread section 34 is observed from the visible hole 521 to the main body section 33, the length of the overlapping portion of the locking sleeve 5 and the two adjacent support rods 3 is substantially equal, so as to more firmly fix the two adjacent support rods 3, and avoid the defect that the length of the overlapping portion of the locking sleeve 5 and one support rod 3 is shorter, which results in insufficient connection strength.
Referring to fig. 10 and 11, and with reference to fig. 2 and 4, a first reinforcing ring 61 is disposed in the air outlet end of the air guiding pipe 2. The first reinforcing ring 61 extends along the circumferential direction of the air guide pipe 2 to form radial support for the air outlet end of the guide pipe. The device further comprises a first clamp 71, the first clamp 71 comprising a connecting member 711, two clamping arms 712 and a locking member 713. The two clamping arms 712 are hinged to the connecting member 711, so that the two clamping arms 712 can perform opening and closing movements, and the two clamping arms 712 are sleeved on the air outlet end of the air guide pipe 2 when being closed. A locking member 713, which may be a bolt and a nut, locks the arms 712 and sandwiches the guide duct 2 between the arms 712 and the first reinforcement ring 61. The connecting member 711 is provided with a connecting groove. The first 32 or second 34 thread segments are threaded into the connection slots to complete the quick assembly of the first clip 71.
Referring to fig. 2 and 4, a second reinforcing ring 62 is disposed in the air inlet end of the air guiding pipe 2. The second reinforcing ring 62 extends along the circumferential direction of the air guide duct 2 to form a radial support for the air inlet end of the guide duct. The air inlet end of the air guide pipe 2 is sleeved on the fan 1 through a second reinforcing ring 62. The device still includes second clamp 72, and second clamp 72 locks the air inlet end of guide duct 2 on fan 1, guarantees fan 1 and guide duct 2's leakproofness, the guarantee air output.
In other embodiments, the supporting rod 3 is a telescopic structure rod, so that the length of the supporting rod 3 can be extended or shortened by adjusting the telescopic structure of the supporting rod 3. Thereby also can lift the air-out end of guide duct 2 to different heights, be applicable to the personnel of rescuing different floors. It should be mentioned that the telescopic structural rod may adopt a telescopic structure with one section inside another, but inevitably results in a smaller rod diameter of the supporting rod 3 located at the innermost layer and weaker structural strength. And through the mode that a plurality of bracing pieces 3 splice, the rod footpath of each bracing piece 3 keeps being equivalent, consequently has better structural strength.
In other embodiments, the support comprises at least two pulling ropes, one end of each pulling rope is connected to the air guide pipe 2, and the resultant force of the pulling forces provided by the pulling ropes fixes the air outlet end.
As an example, the tractive lines include at least a first tractive line and a second tractive line. The upper end of the first haulage rope is fixed above the trapped floor, and the lower end of the first haulage rope is connected to the air guide pipe 2, namely the first haulage rope is used as the haulage rope on the upper part. The lower extreme of second haulage rope is fixed in the below of stranded floor, and the upper end of second haulage rope is connected in guide duct 2, and the second haulage rope is as the haulage rope of lower part promptly. The air outlet end is fixed by resultant force provided by the first traction rope and the second traction rope.
To sum up, to the multi-storey building conflagration, when 3 length of bracing piece satisfied the condition, can adopt bracing piece 3 as support piece, the handheld fixed of one end by the people of bracing piece 3, the other end of bracing piece 3 is connected in the air-out end of guide duct 2. For high-rise building fire, when the length of the support rod 3 can not meet the conditions, rescue workers can climb up the roof or a proper floor, throw down the first traction rope and aim the air outlet end at trapped people to provide strong wind with the assistance of holding the second traction rope by ground personnel below the floor. When 3 length of bracing piece can't satisfy the requirement promptly, rely on the haulage rope to carry out upper portion and lower part fixed to guarantee that the air-out end of guide duct 2 aims at stranded personnel.
Referring to fig. 3, in some embodiments, the fan 1 includes blades, a housing 11, and a bracket 12. The fan blades are rotatably arranged in the housing 11 around a first axis. Casing 11 can be located on support 12 around the second axis ground of rotating, and second axis and first axis mutually perpendicular, through rotating casing 11, can adjust the air-out direction of fan 1.
As an example, the fan 1 further comprises a movable lever and a hand wheel. Be equipped with on support 12 and be curved adjustment tank, the movable rod is connected in casing 11 to be parallel interval ground with the second axis and set up, the movable rod wears to locate in the adjustment tank, and can remove along the extension orbit of adjustment tank, thereby can make casing 11 rotate around the second axis, hand wheel threaded connection is in the movable rod, with locking or release casing 11.
In some embodiments, the fan 1 is a vehicle-mounted portable self-powered fire-fighting smoke exhaust fan, and can quickly reach the site for rescue. The vehicle-mounted portable independent self-powered fire-fighting smoke exhaust fan can be vehicle-mounted or portable. When rescuing people, the smoke exhaust fan can be placed to any place needing to be unfolded for rescue.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A method of rescuing people trapped in a fire window of a multistory building, comprising:
providing a fan;
providing an air guide pipe, and communicating an air inlet end of the air guide pipe with the fan so that the air guide pipe can guide the air blown out by the fan;
and providing a support piece, connecting the support piece to the air outlet end of the air guide pipe, and moving the support piece to enable the air outlet of the air outlet end to face the trapped people.
2. The method of rescuing people trapped in a fire window of a multistory building as claimed in claim 1 wherein said support member comprises a support rod;
one end of the supporting rod is fixed, and the other end of the supporting rod is connected to the air outlet end of the air guide end.
3. The method for rescuing the trapped people in the fire window of the multi-story building as claimed in claim 2, wherein the lower end of the supporting rod is fixed below the trapped floor, and the upper end of the supporting rod is connected to the air outlet end of the air duct; or the like, or, alternatively,
the upper end of the supporting rod is fixed above the trapped floor, and the lower end of the supporting rod is connected to the air outlet end of the air guide pipe.
4. A method as claimed in claim 2, wherein the support member comprises at least one of the support rods, and the support rods are structural rods that can be spliced so as to extend or shorten the total length of the support rods by adjusting the number of splices of the at least one support rod.
5. The method for rescuing people trapped in the fire window of the multistory building as claimed in claim 4, wherein the support rod comprises a stage, a first threaded section, a body section and a second threaded section connected in sequence;
the outer diameter of the step end is smaller than that of the first thread section;
the outer peripheral wall of the first thread section is provided with an external thread;
the outer peripheral wall of the second thread section is provided with external threads, and the inner diameter of the second thread section is larger than that of the main body section;
when at least one support rod is spliced, the step section of one adjacent support rod is inserted into the second thread section of the other adjacent support rod;
the method further comprises the step of providing at least one locking sleeve, wherein internal threads are formed in the inner peripheral wall of the locking sleeve, the locking sleeve is connected to the first thread section and the second thread section on the two adjacent supporting rods in a threaded mode, and the two supporting rods are fixed.
6. The method for rescuing people trapped in the fire window of the multistory building as claimed in claim 2, wherein the supporting rod is a telescopic structure rod so as to lengthen or shorten the length of the supporting rod by adjusting the telescopic structure of the supporting rod.
7. The method of claim 1, wherein the support member comprises at least two pulling cables, one end of each pulling cable is connected to the outlet of the duct, and the resultant of the pulling forces provided by the pulling cables secures the outlet.
8. The method of rescuing people trapped in a fire window of a multistory building as claimed in claim 7, wherein said hauling cable comprises at least a first hauling cable and a second hauling cable;
the upper end of the first hauling rope is fixed above the trapped floor, and the lower end of the second hauling rope is connected to the air guide pipe; or the like, or, alternatively,
the lower end of the second hauling rope is fixed below the trapped floor, and the upper end of the second hauling rope is connected to the air guide pipe;
the air outlet end is fixed by resultant force provided by the first traction rope and the second traction rope.
9. The method of rescuing a trapped person in a fire window of a multistory building as claimed in claim 1 wherein said air outlet is directed toward the face and chest of the trapped person.
10. The method of rescuing people trapped in the fire window of the multistory building as claimed in claim 1, wherein said fan is a vehicle-mounted portable self-powered fire and smoke exhausting fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211452157.9A CN115845282A (en) | 2022-11-21 | 2022-11-21 | Method for rescuing trapped people in fire window of multi-storey building |
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| CN202211452157.9A CN115845282A (en) | 2022-11-21 | 2022-11-21 | Method for rescuing trapped people in fire window of multi-storey building |
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