CN113356919A - Combined tunnel collapse rescue device and rescue method - Google Patents
Combined tunnel collapse rescue device and rescue method Download PDFInfo
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- CN113356919A CN113356919A CN202110851883.7A CN202110851883A CN113356919A CN 113356919 A CN113356919 A CN 113356919A CN 202110851883 A CN202110851883 A CN 202110851883A CN 113356919 A CN113356919 A CN 113356919A
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- 235000013290 Sagittaria latifolia Nutrition 0.000 claims 1
- 235000015246 common arrowhead Nutrition 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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Abstract
The invention provides a combined tunnel collapse rescue device which comprises an upper cover plate, a lower cover plate and a connecting rod, wherein the connecting rod is connected with the upper cover plate and the lower cover plate, the upper cover plate is provided with a first concave groove, the lower cover plate is provided with a second concave groove, the first concave groove and the second concave groove are matched with each other to form an accommodating cavity, an air bag is arranged in the accommodating cavity and connected with an inflating device, and under the action of air pressure in the inflated air bag, the upper cover plate and the lower cover plate are mutually separated from each other to prop open a collapsed object to form a rescue cavity; the plurality of rescue devices are sequentially connected to form a rescue channel. According to the invention, the rescue device is inserted into the tunnel collapse, and the air bag is connected with the inflation device, so that the rescue device is expanded by air pressure in the air bag to form a rescue cavity; the plurality of rescue devices are sequentially connected according to rescue requirements, so that the plurality of rescue cavities are connected end to form a rescue channel, and rescue is conveniently implemented.
Description
Technical Field
The invention relates to a combined tunnel collapse rescue device and a combined tunnel collapse rescue method, and belongs to the technical field of tunnel engineering rescue.
Background
Nowadays, with the development of economy and the improvement of people's demands, the utilization of urban underground space and the construction of railways, highways have become increasingly concerned topics, the scale and difficulty of various tunnel constructions are also getting larger and larger, which means that the occurrence probability of tunnel collapse accidents is also increased.
The collapse of the tunnel is related to the life of constructors in the engineering and public property involved in the construction, so that the provision of a rescue device when the tunnel collapses is of great importance.
In the prior art, the rescue for tunnel collapse generally adopts manual/mechanical equipment excavation to implement rescue, a drilling machine is used for pushing an escape pipeline into a collapsed square body to implement rescue, a tunnel escape cabin is placed into a tunnel to implement rescue, and the like. Adopting manual/mechanical equipment to excavate and implement rescue: the defects of long time consumption, influence on the excavation process due to the limitation of site construction environment and the like exist; pushing the escape pipeline into a collapsed body by using a drilling machine to implement rescue: the conventional polymer tunnel escape pipeline has the advantages of light weight, high strength and good toughness, but the pipeline needs high-power mechanical equipment for pushing, so that the pipeline is not convenient to call when the tunnel collapses, rock masses which are pushed into the pipeline from the outside are not easy to remove when the pipeline is pushed in, and the line of a rescue channel cannot be changed conveniently; putting the escape capsule of the tunnel into the tunnel to carry out rescue: an independent and safe space is needed to be provided so that constructors who cannot escape from the site in time enter the cabin body to avoid, and meanwhile, the escape cabin has the problems of high be full of manufacturing cost, large volume and influence on quick construction, so that the tunnel escape cabin is not suitable for rescue in which collapse occurs.
Disclosure of Invention
The invention aims to provide a combined tunnel collapse rescue device to solve the problem that effective rescue is implemented at tunnel collapse positions which are in special complex strata, are not easy to mobilize personnel and need to be rapidly implemented for rescue.
In order to achieve the purpose, the invention provides a combined tunnel collapse rescue device which comprises an upper cover plate, a lower cover plate and a connecting rod, wherein the connecting rod is connected with the upper cover plate and the lower cover plate, the upper cover plate and the lower cover plate are oppositely arranged, the opposite surfaces of the upper cover plate and the lower cover plate are provided with a first concave groove, the lower cover plate is provided with a second concave groove, the first concave groove and the second concave groove are mutually matched to form an accommodating cavity, an air bag is arranged in the accommodating cavity, the air bag is connected with an inflating device, and under the action of air pressure in the inflated air bag, the upper cover plate and the lower cover plate are mutually away from a collapsed object to form a rescue cavity; the plurality of rescue devices are connected in sequence, so that the plurality of rescue cavities are connected end to form a rescue channel.
Preferably, the end faces of the upper cover plate and the lower cover plate, which are used for being inserted into one end of the tunnel collapse, are inclined planes, the inclined end faces of the upper cover plate and the lower cover plate, which are used for being inserted into one end of the tunnel collapse, are combined to form an arrow-shaped structure, and the end faces of the other ends of the upper cover plate and the lower cover plate are inclined planes which are matched with the corresponding end face angles of the insertion ends.
Preferably, the inclined angle of the inclined end surface of the upper cover plate is set to be 30-45 degrees, and the inclined angle of the inclined end surface of the lower cover plate is set to be 30-45 degrees.
Preferably, the connecting rod comprises a first rod and a second rod; one end of the first rod is hinged with the lower cover plate through a first hinge joint, one end of the second rod is hinged with the upper cover plate through a second hinge joint, the other end of the first rod is connected with the other end of the second rod in a sliding mode, corresponding sliding rails, position fixing pieces and position fixing holes are arranged on the first rod and the second rod at the connecting position of the first rod and the second rod, and the first rod and the second rod are close to or far away from each other through the sliding rails; when first pole and second pole were close to each other, position mounting and position fixing hole all misplaced the setting, when keeping away from each other to the expansion state position with the second pole first pole, position mounting and position fixing hole on the first pole correspond the joint with position fixing hole and position mounting on the second pole respectively.
Preferably, the position fixing piece arranged on the first rod is set as a first containing type connecting tenon, the position fixing hole is set as a first connecting hole, the position fixing piece arranged on the second rod is set as a second containing type connecting tenon, and the position fixing hole is set as a second connecting hole.
Preferably, the first receiving-type joint tongue and the second receiving-type joint tongue are consistent in structure, and each of the first receiving-type joint tongue and the second receiving-type joint tongue comprises a shell, a spring, a magnetic pin and a magnet; one end of the shell is of a closed structure, the other end of the shell is of an open structure, and a cavity for mounting the spring and the magnetic pin is arranged in the shell; one end of the spring is fixedly connected with the closed end of the shell, and the other end of the spring is fixedly connected with one end of the magnetic pin; the other end of the magnetic pin penetrates through the opening end of the shell; the magnet is connected with the closed end of the shell; the first rod and the second rod are both provided with through holes used for being connected with the shell, and the shell is installed in the through holes in a penetrating mode.
Preferably, a plurality of first threaded holes are formed in the upper cover plate, and a plurality of second threaded holes are formed in the lower cover plate; two adjacent rescue devices are connected through a connecting mechanism, the connecting mechanism comprises a connecting plate, and a first connecting bolt and a second connecting bolt which are arranged on the connecting plate, and the first connecting bolt and the second connecting bolt are respectively arranged in first threaded holes formed in upper cover plates of the two adjacent rescue devices or in second threaded holes formed in lower cover plates of the two adjacent rescue devices.
As a further scheme of the invention: the process of applying the combined tunnel collapse rescue device to rescue comprises the following steps:
1) rescue preparation: assembling a rescue device;
2) rescue implementation: inserting a first rescue device into the tunnel collapse object, connecting the air bag with an inflating device, enabling the rescue device to be expanded through air pressure in the air bag to form a first rescue cavity, and taking out the air bag; sending a second rescue device into the first rescue cavity, inserting the second rescue device into the tunnel collapse object, repeating the air bag inflation process to enable the rescue device to be unfolded to form a second rescue cavity, taking out the air bag, and connecting two adjacent rescue devices with each other by adopting a connecting mechanism; repeating the process, sequentially inserting a plurality of rescue devices according to rescue requirements and completing the expansion work; the plurality of rescue cavities are connected to form a rescue channel for rescue.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the rescue device is inserted into the tunnel collapse, and the air bag is connected with the inflation device, so that the rescue device is expanded by air pressure in the air bag to form a rescue cavity; the plurality of rescue devices are sequentially inserted according to rescue requirements, corresponding air bags are inflated, and two adjacent rescue devices are connected with each other by adopting a connecting mechanism to form a rescue channel so as to implement rescue.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an axial view of a combined tunnel collapse rescue device in an embodiment of the invention;
fig. 2 is an axial schematic view of the single rescue apparatus of fig. 1 in an initial state;
fig. 3 is an isometric view of the single rescue apparatus of fig. 1 in a deployed condition;
FIG. 4 is an axial schematic view of the connecting rod in the initial state of FIG. 2;
FIG. 5 is an axial view of the connecting rod in the expanded condition of FIG. 3;
FIG. 6 is a schematic cross-sectional view of the respective receiving joint of FIG. 3 (arrows indicate the direction of travel);
fig. 7 is an axial schematic view of the coupling mechanism of fig. 1.
Wherein:
1. rescue device, 1.1, upper cover plate, 1.1.1, first concave groove, 1.1.2, first threaded hole, 1.2, lower cover plate, 1.2.1, second concave groove, 1.2.2, second threaded hole, 1.3, connecting rod, 1.3.1, first rod, 1.3.2, second rod, 1.3.3, first hinge joint, 1.3.4, movable rail, 1.3.5, first connecting hole, 1.3.6, second hinge joint, 1.3.7, fixed rail, 1.3.8, second connecting hole, 1.3.9, first bringing-in type connecting tenon, 1.3.10, second bringing-in type connecting tenon, a, housing, B, spring, C, magnetic pin, D, magnet; 2. coupling mechanism, 2.1, connecting plate, 2.2, first connecting bolt, 2.3, second connecting bolt.
Detailed Description
In order to make the aforementioned objects, features, advantages, and the like of the present invention more clearly understandable, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention; the several references in this disclosure are not limited to the particular numbers in the examples of the figures; the directions or positional relationships indicated by ' front ' middle, ' rear ' left ', right ', upper ', lower ', top ', bottom ', middle ', etc. in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor should be construed as limiting the present invention.
Example (b):
referring to fig. 1 to 7, the combined tunnel collapse rescue device provided by the invention comprises an upper cover plate 1.1, a lower cover plate 1.2 and a connecting rod 1.3, wherein the connecting rod 1.3 is connected with the upper cover plate 1.1 and the lower cover plate 1.2, the upper cover plate 1.1 is provided with a first concave groove 1.1.1, the lower cover plate 1.2 is provided with a second concave groove 1.2.1, and the first concave groove 1.1.1 and the second concave groove 1.2.1 are matched with each other to form an accommodating cavity; the plurality of rescue devices 1 are connected in sequence, so that the plurality of rescue cavities are connected end to form a rescue channel.
Preferably, the upper cover plate 1.1 and the lower cover plate 1.2 are connected to each other in an initial state to form a rectangular parallelepiped shape, and are parallel to each other in an unfolded state and are arranged opposite to each other at least partially in a spatially overlapping manner.
Preferably, an air bag is arranged in the accommodating cavity and connected with an inflating device, the upper cover plate 1.1 and the lower cover plate 1.2 are unfolded under the action of air pressure in the inflated air bag to form a rescue cavity, and rescuers (or trapped persons) rescue (or are rescued) through the rescue cavity.
Preferably, in order to enable the rescue device 1 to be easily inserted into a tunnel collapse, the end faces of the upper cover plate 1.1 and the lower cover plate 1.2 inserted into the tunnel collapse are inclined planes, the end faces of the upper cover plate 1.1 and the lower cover plate 1.2 inserted into the tunnel collapse are combined to form an arrow-shaped structure, and the end faces of the other ends of the upper cover plate 1.1 and the lower cover plate 1.2 are inclined planes with matched angles.
Preferably, in order to save time and labor when the rescue device 1 is inserted into a tunnel cave-in, the inclined angle of the inclined end surface of the upper cover plate 1.1 is set to be 30-45 degrees, and the inclined angle of the inclined end surface of the lower cover plate 1.2 is set to be 30-45 degrees.
Preferably, in order to enable the upper cover plate 1.1 and the lower cover plate 1.2 to be flexibly unfolded and to be locked and fixed with each other, the connecting rod 1.3 includes a first rod 1.3.1 and a second rod 1.3.2, the first rod 1.3.1 is provided with a first hinge joint 1.3.3, a first containing type connecting tenon 1.3.9, a movable rail 1.3.4 and a first connecting hole 1.3.5, the second rod 1.3.2 is provided with a second hinge joint 1.3.6, a second containing type connecting tenon 1.3.10, a fixed rail 1.3.7 and a second connecting hole 1.3.8; the first hinge joint 1.3.3 is hinged with the lower cover plate 1.2, the second hinge joint 1.3.6 is hinged with the upper cover plate 1.1, the first containing type connecting tenon 1.3.9 is matched and connected with the second connecting hole 1.3.8, the second containing type connecting tenon 1.3.10 is matched and connected with the first connecting hole 1.3.5, and the movable rail 1.3.4 is connected with the fixed rail 1.3.7 to form a sliding rail structure; when the upper cover plate 1.1 and the lower cover plate 1.2 are mutually unfolded under the action of the air pressure of the inflated air bag, the second rod 1.3.2 is in a sliding position relative to the first rod 1.3.1 through the sliding rail structure, and simultaneously the first rod 1.3.1 and the second rod 1.3.2 are converted from an initial state (shown in figure 2) to a unfolding state (shown in figure 3) to form a rescue cavity.
Preferably, the first receiving-type joint 1.3.9 and the second receiving-type joint 1.3.10 have the same structure, and taking the first receiving-type joint 1.3.9 as an example, the first receiving-type joint comprises a shell a, a spring B, a magnetic pin C and a magnet D; one end of the shell A is of a closed structure, the other end of the shell A is of an open structure, and a cavity for mounting the spring B and the magnetic pin C is arranged in the shell A; one end of the spring B is fixedly connected with the closed end of the shell A, and the other end of the spring B is fixedly connected with one end of the magnetic pin C; the other end of the magnetic pin C passes through the opening end of the shell A and can be inserted into the first connecting hole 1.3.5 or the second connecting hole 1.3.8; a magnet D is attached to the closed end of the housing a and is configured to close or open a magnetically attached magnet, preferably an electromagnet.
Preferably, the first rod 1.3.1 and the second rod 1.3.2 are both provided with a through hole for connecting with the shell a, and the shell a is installed in the through hole in a penetrating manner.
Preferably, the operation process of the connecting rod 1.3 is as follows:
in an initial state, the magnetic connection between the magnet D and the magnetic pin C is in a disconnected state, the spring B is in a compressed state, the first accommodating type connecting tenon 1.3.9 and the second connecting hole 1.3.8 are staggered with each other, and the second accommodating type connecting tenon 1.3.10 and the first connecting hole 1.3.5 are also staggered with each other;
in the unfolding process, the magnetic connection between the magnet D and the magnetic pin C is in a disconnected state, the first rod 1.3.1 and the second rod 1.3.2 are far away from each other under the action of air pressure of the air bag, and when the first accommodating type connecting tenon 1.3.9 is displaced to the position of the second connecting hole 1.3.8 and the second accommodating type connecting tenon 1.3.10 is displaced to the position of the first connecting hole 1.3.5, the magnetic pin C is inserted into the first connecting hole 1.3.5 and the second connecting hole 1.3.8 under the action of the spring B, so that the relative positions of the first rod 1.3.1 and the second rod 1.3.2 are fixed, and the unfolding work is completed;
when reverting the expansion state to initial condition, open the magnetism between magnet D and the magnetism pin C and be connected, magnetism pin C compresses spring B to the blind end displacement of casing A simultaneously under the effect of magnetic force, until magnetism pin C breaks away from the position of first connecting hole 1.3.5 and second connecting hole 1.3.8, first pole 1.3.1 and second pole 1.3.2 are close to each other, accomplish the work that resets.
Preferably, in order to facilitate connection and detachment of two adjacent rescue devices, a plurality of first threaded holes 1.1.2 are formed in the upper cover plate 1.1, and a plurality of second threaded holes 1.2.2 are formed in the lower cover plate 1.2; two adjacent rescue devices are connected through a connecting mechanism 2, the connecting mechanism 2 is provided with a plurality of connecting mechanisms, and each connecting mechanism 2 comprises a connecting plate 2.1 and a first connecting bolt 2.2 and a second connecting bolt 2.3 which are arranged on the connecting plate 2.1; the first connecting bolt 2.2 and the second connecting bolt 2.3 are respectively installed in a first threaded hole 1.1.2 formed in the upper cover plate 1.1 of two adjacent rescue devices or in a second threaded hole 1.2.2 formed in the lower cover plate 1.2 of two adjacent rescue devices.
The concrete mode of applying the combined tunnel collapse rescue device to rescue in tunnel collapse is as follows:
1) rescue preparation: assembling a rescue device;
2) rescue implementation: inserting a first rescue device into the tunnel collapse object, connecting the air bag with an inflating device, enabling the rescue device to be expanded through air pressure in the air bag to form a first rescue cavity, and taking out the air bag; sending a second rescue device into the first rescue cavity, inserting the second rescue device into the tunnel collapse object, repeating the air bag inflation process to enable the rescue device to be unfolded to form a second rescue cavity, taking out the air bag, and connecting two adjacent rescue devices with each other by adopting a connecting mechanism; repeating the process, sequentially inserting a plurality of rescue devices according to rescue requirements and completing the expansion work; the plurality of rescue cavities are connected to form a rescue channel for rescue.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The combined tunnel collapse rescue device is characterized by comprising an upper cover plate (1.1), a lower cover plate (1.2) and a connecting rod (1.3), wherein the connecting rod (1.3) is connected with the upper cover plate (1.1) and the lower cover plate (1.2), the upper cover plate (1.1) and the lower cover plate (1.2) are oppositely arranged, and on the opposite surfaces of the upper cover plate and the lower cover plate, a first concave groove (1.1.1) is formed in the upper cover plate (1.1), a second concave groove (1.2.1) is formed in the lower cover plate (1.2), the first concave groove (1.1.1) and the second concave groove (1.2.1) are matched with each other to form a containing cavity, an air bag is arranged in the containing cavity and is connected with an inflating device, and under the action of air pressure in the inflated air bag, the upper cover plate (1.1) and the lower cover plate (1.2) are far away from collapsed objects to form a rescue cavity;
the plurality of rescue devices (1) are connected in sequence, so that the plurality of rescue cavities are connected end to form a rescue channel.
2. The combined tunnel collapse rescue device according to claim 1, characterized in that the end surfaces of the upper cover plate (1.1) and the lower cover plate (1.2) at the ends for inserting into tunnel collapse are both provided with inclined surfaces, the inclined end surfaces of the upper cover plate (1.1) and the lower cover plate (1.2) at the ends for inserting into tunnel collapse are combined to form an arrow-head structure, and the end surfaces of the other ends of the upper cover plate (1.1) and the lower cover plate (1.2) are provided with inclined surfaces which are matched with the angles of the corresponding end surfaces at the inserting ends.
3. The combined tunnel collapse rescue apparatus according to claim 2, wherein the inclined angle of the inclined end surface of the upper cover plate (1.1) is set to 30-45 °, and the inclined angle of the inclined end surface of the lower cover plate (1.2) is set to 30-45 °.
4. The combined tunnel collapse rescue apparatus according to claim 1, characterized in that the connecting rod (1.3) comprises a first rod (1.3.1) and a second rod (1.3.2);
one end of the first rod (1.3.1) is hinged with the lower cover plate (1.2) through a first hinge joint (1.3.3), one end of the second rod (1.3.2) is hinged with the upper cover plate (1.1) through a second hinge joint (1.3.6), the other end of the first rod (1.3.1) is connected with the other end of the second rod (1.3.2) in a sliding manner, corresponding sliding rails, position fixing pieces and position fixing holes are arranged at the connecting positions of the first rod (1.3.1) and the second rod (1.3.2), and the first rod (1.3.1) and the second rod (1.3.2) are close to or far away from each other through the sliding rails;
when first pole (1.3.1) and second pole (1.3.2) were close to each other, position fixing spare and position fixing hole all misplaced the setting, when keeping away from each other to the state of expansion position first pole (1.3.1) and second pole (1.3.2), position fixing spare and position fixing hole on first pole (1.3.1) correspond the joint with position fixing hole and position fixing spare on second pole (1.3.2) respectively.
5. The combined tunnel collapse rescue device according to claim 4, characterized in that the position fixing piece arranged on the first rod (1.3.1) is provided as a first receiving type connecting tenon (1.3.9) and the position fixing hole is provided as a first connecting hole (1.3.5), the position fixing piece arranged on the second rod (1.3.2) is provided as a second receiving type connecting tenon (1.3.10) and the position fixing hole is provided as a second connecting hole (1.3.8);
the first receiving type connecting tenon (1.3.9) and the second receiving type connecting tenon (1.3.10) are consistent in structure, and the first receiving type connecting tenon (1.3.9) and the second receiving type connecting tenon (1.3.10) comprise a shell (A), a spring (B), a magnetic pin (C) and a magnet (D); one end of the shell (A) is set to be a closed structure, the other end of the shell (A) is set to be an open structure, and a cavity for installing the spring (B) and the magnetic pin (C) is arranged in the shell (A); one end of the spring (B) is fixedly connected with the closed end of the shell (A), and the other end of the spring (B) is fixedly connected with one end of the magnetic pin (C); the other end of the magnetic pin (C) passes through the opening end of the shell (A); the magnet (D) is connected with the closed end of the shell (A);
the first rod (1.3.1) and the second rod (1.3.2) are provided with through holes for being connected with the shell (A), and the shell (A) is installed in the through holes in a penetrating mode.
6. The combined tunnel collapse rescue device according to claim 1, characterized in that a plurality of first threaded holes (1.1.2) are formed in the upper cover plate (1.1), and a plurality of second threaded holes (1.2.2) are formed in the lower cover plate (1.2);
two adjacent rescue devices are connected through a connecting mechanism (2), and the connecting mechanism (2) comprises a connecting plate (2.1) and a first connecting bolt (2.2) and a second connecting bolt (2.3) which are arranged on the connecting plate (2.1);
the first connecting bolt (2.2) and the second connecting bolt (2.3) are respectively arranged in first threaded holes (1.1.2) formed in the upper cover plates (1.1) of two adjacent rescue devices, or are respectively arranged in second threaded holes (1.2.2) formed in the lower cover plates (1.2) of two adjacent rescue devices.
7. A combined tunnel collapse rescue method is characterized by comprising the application of the combined tunnel collapse rescue device as claimed in any one of claims 1 to 6, and the process is as follows:
1) rescue preparation: assembling a rescue device;
2) rescue implementation: inserting a first rescue device into the tunnel collapse object, connecting the air bag with an inflating device, enabling the rescue device to be expanded through air pressure in the air bag to form a first rescue cavity, and taking out the air bag; sending a second rescue device into the first rescue cavity, inserting the second rescue device into the tunnel collapse object, repeating the air bag inflation process to enable the rescue device to be unfolded to form a second rescue cavity, taking out the air bag, and connecting two adjacent rescue devices with each other by adopting a connecting mechanism; repeating the process, sequentially inserting a plurality of rescue devices according to rescue requirements and completing the expansion work; the plurality of rescue cavities are connected to form a rescue channel for rescue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851883.7A CN113356919B (en) | 2021-07-27 | 2021-07-27 | Combined tunnel collapse rescue device and rescue method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851883.7A CN113356919B (en) | 2021-07-27 | 2021-07-27 | Combined tunnel collapse rescue device and rescue method |
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| CN113356919A true CN113356919A (en) | 2021-09-07 |
| CN113356919B CN113356919B (en) | 2024-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463353A (en) * | 2022-10-25 | 2022-12-13 | 中国长江三峡集团有限公司 | Inflatable rescue device |
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