High-altitude lifesaving device
Technical Field
The invention relates to the technical field of safety lifesaving equipment, in particular to a high-altitude lifesaving device.
Background
Along with the enlargement of urban scale, the number of high-rise buildings is continuously increased, people who live in the high-rise buildings and work in emergencies can safely escape to become an important subject, and a plurality of high-altitude lifesaving devices are invented, wherein the high-altitude lifesaving devices mainly comprise rope basket type lifesaving devices, anti-falling air cushions, speed-reducing gliding channels and the like, the high-altitude lifesaving devices have good effects, but some high-volume investment and some complex installation delay time.
Therefore, the prior art, such as chinese patent document with publication number CN2734255Y, discloses an air life-saving device, which has the following structure: the top of the shell is provided with an air bag, the bottom of the shell is provided with a handle, an inflation inlet of the air bag is connected with a gas switch of a liquid light gas storage tank and an inflation pipe of a motor gas pump set, and a safety cover arranged at the bottom of the shell is connected with the gas switch and a power switch through pipelines. When the safety cover is used, only the handle of the safety cover is pulled, the pipeline connected with the safety cover can open a gas switch of the liquid light gas storage tank and a gas switch and a power switch of the motor air pump unit, liquid hydrogen or liquid helium in the liquid light gas storage tank is rapidly gasified, the air bag is inflated through the air bag inflation inlet, the motor air pump unit inflates the air bag at the same time, and a escaper grabs the handle or fixes the body by a rope to jump down from the high altitude because the buoyancy of hydrogen or helium in the air bag can slow down the descending speed, so that the escaper is prevented from falling to the ground and falling.
Although the prior art mentioned above can slow down the descending speed of the escaper by providing buoyancy through the air bag, there is still a defect that the rescue effect is poor: the escaper rolls off from the side edge of the air bag after jumping off the air bag, so that the escaper falls down to be injured; in addition, the prior art also has the defects of large hydrogen consumption and high lifesaving cost.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of poor rescue effect and large hydrogen consumption of the high-altitude lifesaving device in the prior art, and provides the high-altitude lifesaving device with good rescue effect and small hydrogen consumption.
Therefore, the technical scheme adopted by the invention is as follows:
a high altitude lifesaving apparatus comprising:
the inflatable bag comprises an outer layer structure and an inner layer structure, an inflatable cavity filled with buoyancy gas is arranged between the outer layer structure and the inner layer structure, a jump inlet is formed in the top of the inflatable bag, and the jump inlet is communicated with a guide cavity formed in the inner layer structure;
the jumping bag is connected below the guide cavity, an opening above the jumping bag is communicated with the guide cavity, a traction rope is connected between the bottom end edge of the jumping bag and the bottom end edge of the outer layer structure of the inflatable bag, the traction rope is stretched under the gravity action of a escaper after the escaper jumps into the jumping bag, and the traction rope pulls the bottom end of the outer layer structure of the inflatable bag downwards so that the lower surface of the inflatable bag between the bottom end of the outer layer structure of the inflatable bag and the bottom end of the inner layer structure forms an umbrella-shaped first arc-shaped surface; the periphery of the jump-in opening is a guide inclined plane which is reduced from outside to inside.
Preferably, the inflatable bag further comprises a pull rope, one end of the pull rope is fixed at the lower part, and the other end of the pull rope is fixed at the inflatable bag or the jumping-in bag.
Preferably, a length adjusting device is arranged on the pull rope.
Preferably, the pulling rope is connected with a pulling rope connected to the bottom end edge of the outer structure of the inflatable bag through a pulley structure, and by means of the pulley structure, the pulling rope can enable the jump-in bag to ascend or descend relative to the inflatable bag through pulling downwards or releasing upwards.
Preferably, the height of the jump-in pocket is not less than 2 m.
Preferably, the airbag has a rectangular structure.
Preferably, the skip-in pocket is cylindrical.
Preferably, the buoyant gas is hydrogen or helium.
The technical scheme of the invention has the following advantages:
1. the high-altitude lifesaving device provided by the invention comprises an inflatable bag positioned above and a jump-in bag positioned below, wherein the inflatable bag is of a double-layer structure and comprises an outer layer structure and an inner layer structure, an inflatable cavity filled with buoyancy gas is arranged between the outer layer structure and the inner layer structure, the high-altitude lifesaving device can float to the high altitude for rescue work through the inflatable cavity, and the jump-building height of a high-altitude escaper is indirectly reduced; the jumping-in port for the escaper to jump in is formed in the top of the inflatable bag, the jumping-in port is communicated with the guide cavity formed in the inner layer structure, the jumping-in bag is connected below the guide cavity, the guide cavity can help the escaper to smoothly jump into the jumping-in bag through the jumping-in port, the arrangement can prevent the escaper from falling from the side edge of the high-altitude lifesaving device, and the risk of injury is reduced; the inflatable bag and the jumping-in bag are made of flexible materials, so that the collision injury of a escaper during jumping-in is avoided; the bottom end edge of the jump-in bag and the bottom end edge of the outer layer structure of the inflatable bag are connected with the traction rope, after a person jumps into the jump-in bag, the traction rope is stretched under the action of the gravity of the person, the traction rope pulls the bottom end of the outer layer structure of the inflatable bag downwards, so that the lower surface of the inflatable bag between the bottom end of the outer layer structure of the inflatable bag and the bottom end of the inner layer structure forms a first arc-shaped surface in an umbrella shape, and the first arc-shaped surface has the function of a parachute.
2. According to the high-altitude lifesaving device provided by the invention, the buffer air bag filled with buoyancy gas is arranged below the jump-in bag, so that a escaper falls onto the buffer air bag after jumping into the jump-in bag, the escaper is further prevented from being injured by falling, and the lifesaving effect is further improved.
3. According to the high-altitude lifesaving device provided by the invention, the lower surface of the buffering air bag is set to be the second arc-shaped surface in an umbrella shape, so that the lifesaving effect is further improved.
4. The high-altitude lifesaving device provided by the invention also comprises a pull rope, one end of the pull rope is fixed at a low position, and the other end of the pull rope is fixed on the inflatable bag or the jumping-in bag.
5. According to the high-altitude lifesaving device provided by the invention, the length of the pull rope is more convenient to adjust by arranging the length adjusting device on the pull rope.
6. According to the high-altitude lifesaving device provided by the invention, the pull rope is connected with the traction rope connected to the bottom edge of the outer layer structure of the inflatable bag through the pulley structure, and the pull rope can be pulled downwards to enable the jumping-in bag to ascend relative to the inflatable bag by virtue of the pulley structure, so that when the high-altitude lifesaving device falls to a low place with a escaper carried, the escaper can easily jump out of the inflatable bag, the lifesaving efficiency is improved, and the next round of rescue work of the high-altitude lifesaving device is facilitated; after the escaper jumps out, the jump-in bag returns to the original position by releasing the pull rope upwards.
7. The high-altitude lifesaving device provided by the invention has the advantages that the jumping range of the escaper is further enlarged by arranging the guide inclined plane which is reduced from outside to inside at the periphery of the jumping inlet, and when the escaper jumps to the guide inclined plane, the escaper can enter the guide cavity and jump into the bag through the guide of the guide inclined plane.
8. The invention provides a high-altitude lifesaving device, wherein an inflatable bag comprises a plurality of jumping inlets and a plurality of guiding cavities which are independently arranged along the horizontal direction, and a plurality of jumping bags are connected below the plurality of guiding cavities.
9. The high-altitude lifesaving device provided by the invention has the advantages that the buoyancy gas is helium, the helium is nonflammable gas, and the safety is better than that of hydrogen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a high-altitude lifesaving device provided by a first embodiment of the invention;
fig. 2 is a using state diagram of a high-altitude lifesaving device provided by the embodiment of the invention.
Description of reference numerals:
1-an air bag; 11-outer layer structure; 12-inner layer structure; 13-an inflation cavity; 14-hop entrance; 15-jump entrance; 16-a first arc-shaped face; 17-a guide ramp; 2, jumping into a bag; 3-a traction rope; 4-a buffer air bag; 41-a second arc-shaped surface; 5-pulling the rope.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. The technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example one
As shown in fig. 1 and 2, the present embodiment provides a high altitude lifesaving device which comprises an airbag 1 at the upper part and a kick-in bag 2 at the lower part. Wherein,
the inflatable bag 1 comprises an outer layer structure 11 and an inner layer structure 12, an inflatable cavity 13 filled with buoyancy gas is arranged between the outer layer structure 11 and the inner layer structure 12, the high-altitude lifesaving device can float to the high altitude to carry out rescue work through the inflatable cavity 13, and the high-altitude escaping person jumping height is indirectly reduced; the top of air bag 1 is seted up and is used for the person of fleing to jump into entry 14 to and jump into entry 14 and the inside guide chamber 15 intercommunication that is formed at inner layer 12, jump into bag 2 and connect in the below in guide chamber 15, guide chamber 15 can help the person of fleing to jump into bag 2 smoothly through jumping into entry 14, and above-mentioned setting can prevent that the person of fleing from falling from high altitude life saving equipment's side, has reduced injured's risk.
The inflatable bag 1 and the jumping-in bag 2 are made of flexible materials, so that the injury of a escaper during jumping-in is avoided.
The bottom end edge of the jump-in bag 2 and the bottom end edge of the outer structure 11 of the airbag 1 are connected with a traction rope 3, after a escaper jumps into the jump-in bag 2, the traction rope 3 is stretched under the action of gravity of the escaper, and the traction rope 3 pulls the bottom end of the outer structure 11 of the airbag 1 downwards, so that the first arc-shaped surface 16 is formed on the lower surface of the airbag 1 between the bottom end of the outer structure 11 of the airbag 1 and the bottom end of the inner structure 12, and the first arc-shaped surface 16 plays a role of a parachute.
In the present embodiment, a buffer air bag 4 filled with buoyancy gas is connected below the jump-in bag 2. The lower surface of the buffer air bag 4 is an umbrella-shaped second arc-shaped surface 41. Through set up the buffering gasbag 4 that fills buoyancy gas in the below of jumping into bag 2, the person of fleing falls after jumping into bag 2 on buffering gasbag 4, further prevents that the person of fleing from falling and hindering, has further improved lifesaving effect. Especially, the lower surface of the buffering air bag 4 is the second arc-shaped surface 41 in the shape of an umbrella, so that the buoyancy of the high-altitude lifesaving device can be further improved, and the lifesaving effect is further improved.
As shown in fig. 1, the high altitude lifesaving device of the embodiment further comprises a pull rope 5 with one end fixed at the low position and the other end fixed at the inflatable bag 1 or the jumping-in bag 2. The floating height of the high-altitude lifesaving device can be controlled through the arrangement of the pull rope 5, and the rescue of different escapers at different heights is facilitated. Preferably, a length adjusting device is arranged on the pull rope 5. Compare in the length through hand control stay cord 5, it is more convenient to make the length adjustment of stay cord 5 through length adjustment device control, and length adjustment is also more accurate.
In this embodiment, the pulling rope 5 is connected to the pulling rope 3 connected to the bottom end edge of the outer structure 11 of the airbag 1 by means of a pulley structure, by means of which the pulling rope 5 can be pulled down or loosened up to raise or lower the jump-in bag 2 relative to the airbag 1. Therefore, when the high-altitude lifesaving device carries the escaper to fall to a low position, the escaper can easily jump out of the inflatable bag 1, the lifesaving efficiency is improved, and the next round of rescue work of the high-altitude lifesaving device is facilitated; after the escapee jumps out, the jump-in bag 2 returns to its original position by releasing the drawstring 5 upwards. In this embodiment, the height of the jump-in bag 2 is not less than 2m, preferably 2m, which ensures that most rescued people can fall completely into the jump-in bag 2.
In the present embodiment, as shown in fig. 1, the jumping range of the escaper is further increased by providing the jumping port 14 with a guide slope 17 that is lowered from the outside to the inside, and when the escaper jumps to the guide slope 17, the escaper can enter the guide cavity 15 and jump into the bag 2 through the guide of the guide slope 17.
The airbag 1 of the present embodiment is preferably of a rectangular configuration. The shape of the airbag 1 is not particularly limited in the present invention, however, and in other embodiments, the airbag 1 may be circular, square, triangular, etc.
Also, the skip-in bag 2 of this embodiment is preferably a cylindrical shape identical to the box of the guide chamber 15, but the shape of the skip-in bag 2 is not particularly limited in the present invention, and in other embodiments, the skip-in bag 2 may be a square column shape,
in this embodiment, the buoyancy gas is helium. But not limited to helium, in other embodiments, the buoyancy gas may also be hydrogen.
Example two
As a variation of the first embodiment, the present embodiment provides a high altitude lifesaving apparatus, which is different from the first embodiment in that:
in this embodiment, high altitude life saving equipment's gas bag 1 includes a plurality of jump mouth 14 and the guide chamber 15 that set up along the horizontal direction independently, and a plurality of jump bags 2 are connected to the below in a plurality of guide chambers 15, through the above-mentioned setting for high altitude life saving equipment can once only rescue many people, and a plurality of jump mouth 14, guide chamber 15 and jump bags 2 separate each other moreover, have avoided the person of escaping to bruise each other.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.