CN208024396U - A kind of extension type underground escape capsule - Google Patents
A kind of extension type underground escape capsule Download PDFInfo
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- CN208024396U CN208024396U CN201820427870.0U CN201820427870U CN208024396U CN 208024396 U CN208024396 U CN 208024396U CN 201820427870 U CN201820427870 U CN 201820427870U CN 208024396 U CN208024396 U CN 208024396U
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- escape capsule
- extension type
- type underground
- scalable
- flexible sealing
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Abstract
The utility model provides a kind of extension type underground escape capsule, is related to downhole emergency rescuing technical field, solves the excessive technical problem of movable life-escaping capsule not flexible in the prior art, volume.The device includes scalable skeleton and the flexible sealing cabin with hatch door, flexible sealing cabin is arranged in scalable skeletal internal, when extension type underground escape capsule is in contraction state, scalable framework shrinkage setting, setting is shunk in flexible sealing cabin together with scalable skeleton；When extension type underground escape capsule is in extended configuration, scalable frame expansion setting, setting is stretched in flexible sealing cabin together with scalable skeleton；The volume of extension type underground escape capsule contraction state is less than the volume of extension type underground escape capsule extended configuration.The utility model is used for downhole emergency rescuing.
Description
Technical field
The utility model is related to downhole emergency rescuing technical field more particularly to a kind of extension type underground emergency survivals
Cabin.
Background technology
According to the statistics and analysis of coal mining accident, in the first time that mine accident occurs, because scene is exploded, the wounds such as cave in
Evil is murderous to account for the 30% of total toll, and the overwhelming majority is the neighbouring oxygen depletion due to after explosion, poisoning, asphyxia or
Caused by escape route can not be fled to safety zone by explosion blocking.
For the above situation, it is generally provided with emergency-sheltering room in mine, is provided to underground labour when mine disaster occurs
It protects, strives for that time enough has obtained extraneous rescue.The emergency-sheltering room used in mine is broadly divided into three kinds：(1) permanent
Property refuge chamber, is mainly arranged on main lane and main escape route, generally as the emergency-sheltering room in entire exploiting field, the length of service
At 10 years or more.(2) temporary shelter room is excavated in the tunnel or coal seam near mine working face, or using only
Head tunnel, electromechanical chamber, one section of tunnel between twice air door are constructed, for for the underground work within the scope of two to three working faces
Personnel provide emergency shelter, and the length of service was at 3 years or more.(3) movable life-escaping capsule, mostly section structure are digging
The staff of working face provides the Waiting space concentrated.
Movable life-escaping capsule in the prior art mostly uses steel entirety cavity body structure, is unable to telescopic folding, volume
It is excessive, it is not easy to setting and movement in the hazard spaces such as the digging operation face inside mine.
Invention content
The purpose of this utility model is to provide a kind of extension type underground escape capsules, to solve to deposit in the prior art
Movable life-escaping capsule not flexible, the excessive technical problem of volume.In many technical solutions provided by the utility model
Many technique effects (subregion the is protected, is moved easily) elaboration as detailed below that can be generated of optimal technical scheme.
To achieve the above object, the utility model provides following technical scheme：
The extension type underground escape capsule of the utility model include scalable skeleton and with hatch door flexibility it is close
Batten down, the setting of flexible sealing cabin can when extension type underground escape capsule is in contraction state in scalable skeletal internal
Flexible framework shrinkage setting, setting is shunk in flexible sealing cabin together with scalable skeleton；When extension type underground escape capsule
When in extended configuration, scalable frame expansion setting, setting is stretched in flexible sealing cabin together with scalable skeleton；Extension type
The volume of underground escape capsule contraction state is less than the volume of extension type underground escape capsule extended configuration.
Optionally, scalable skeleton includes that at least two support frames and at least one set are telescopically connected part, is telescopically connected part
Can shrink and stretch, wherein each two support frame by least one set be telescopically connected part connection, each support frame respectively with it is soft
Property sealed compartment outer wall is fixedly connected；It is telescopically connected the reduction and increasing of distance between the contraction of part and stretching, extension two support frames of drive
Greatly, support frame drives the contraction and stretching, extension in flexible sealing cabin.
Optionally, the bulkhead in flexible sealing cabin is double-layer structure, is inflatable chamber, outer storehouse between China and foreign countries' bulkhead and inner barn wall
Wall is fixedly connected with the support frame；When extension type underground escape capsule is in contraction state, it is not filled by inflatable chamber
Gas；When extension type underground escape capsule is in extended configuration, filling gas in inflatable chamber.
Optionally, the inflatable chamber in the flexible sealing cabin between each two support frame is separate chamber, carries out independent inflation/deflation.
Optionally, flexible sealing cabin is internally provided at least one isolation hatch door, and at least one cofferdam goalkeeper flexibility is close
Batten down is divided at least two separate spaces, wherein the installation position of isolation hatch door is corresponding with the position of support frame.
Optionally, extension type underground escape capsule further includes protective cover, and one end of scalable skeleton is fixed at
Inside protective cover, when extension type underground escape capsule is in contraction state, scalable skeleton and flexible sealing cabin energy
Hide All enters inside protective cover；When extension type underground escape capsule is in extended configuration, scalable skeleton and soft
A property sealed compartment part is located inside the protective cover, and another part is extend out to outside the protective cover.
Optionally, protective cover interior bottom portion is provided with the first idler wheel, for moving extension type underground emergency survival
Cabin.
Optionally, the other end lower part of scalable skeleton is provided with the second idler wheel, for reduce scalable framework shrinkage or
Resistance when stretching, extension.
Optionally, the both ends of protective cover are respectively arranged with the first outer hatch door and the second outer hatch door, wherein the second outer hatch door is set
Set one end in scalable skeleton and the stretching of flexible sealing cabin.
Optionally, extension type underground escape capsule is internally provided with oxygen generator and pernicious gas processing dress
It sets.
Extension type underground provided by the utility model escape capsule has the advantages that：
(1) design in scalable skeletal internal is arranged in flexible sealing cabin, realizes the collapsible setting of escape capsule,
Effectively reduce the volume of escape capsule when not used.
(2) flexible sealing cabin inflation setting, can make extension type underground escape capsule have stronger damping with
And effect of keeping warm；
(3) inside flexible sealing cabin at least one isolation hatch door setting, can ensure flexible sealing cabin partial destruction it
After the survival of remaining confined space can also be provided for user.
(4) setting of protective cover can place survival capsule when escape capsule is in contraction state in extension type underground
It is damaged；When in extension type underground, escape capsule is in contraction state, the space under protective cover is an abampere
The total space can resist falling rocks etc., and maximum protection is provided to user.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the extended configuration schematic diagram of the extension type underground escape capsule of the utility model；
Fig. 2 is the schematic cross-section when extension type underground escape capsule of the utility model is in extended configuration；
Fig. 3 is the contraction state schematic diagram of the extension type underground escape capsule of the utility model；
Fig. 4 is the schematic cross-section when extension type underground escape capsule of the utility model is in contraction state；
Fig. 5 is the partial enlarged view I under the extension type underground escape capsule extended configuration of the utility model；
Fig. 6 is the partial enlarged view II under the extension type underground escape capsule contraction state of the utility model；
Fig. 7 is a kind of schematic cross-section in the flexible sealing cabin of embodiment of the utility model；
Fig. 8 is the protective cover schematic diagram one of the utility model embodiment；
Fig. 9 is the protective cover schematic diagram two of the utility model embodiment；
Figure 10 is the utility model roller installation position schematic diagram；
Figure 11 is a kind of Longitudinal cross section schematic of embodiment of the utility model.
1 in figure, scalable skeleton；2, flexible sealing cabin；3, protective cover；11, scalable skeleton；12, flexible sealing cabin；
13, the second idler wheel；21, hatch door；22, outer bulkhead；23, inner barn wall；24, inflatable chamber；25, hatch door is isolated；31, the first idler wheel；32,
First outer hatch door；33, the second outer hatch door.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figs 1-4, wherein Fig. 1 is the extended configuration signal of the extension type underground escape capsule of the utility model
Figure, Fig. 2 are in schematic cross-section when extended configuration for the extension type underground escape capsule of the utility model, and Fig. 3 is this
The contraction state schematic diagram of the extension type underground escape capsule of utility model, Fig. 4 are the extension type well of the utility model
Lower escape capsule is in schematic cross-section when contraction state, and the utility model provides a kind of extension type underground and answers first aid
Raw cabin, including scalable skeleton 1 and the flexible sealing cabin 2 with hatch door 21, flexible sealing cabin 2 are arranged in scalable skeleton 1
Inside, when the extension type underground escape capsule of the utility model is in contraction state, scalable skeleton 1 shrinks setting,
Setting is shunk together with scalable skeleton 1 in flexible sealing cabin 2；When the extension type underground escape capsule of the utility model is in
When extended configuration, the stretching, extension setting of scalable skeleton 1, setting is stretched in flexible sealing cabin 2 together with scalable skeleton 1；Extension type
The volume of underground escape capsule contraction state is less than the volume of extension type underground escape capsule extended configuration.
Specifically, the contraction state overall volume of the extension type underground escape capsule of the utility model is small, convenient for depositing
Put and carry, the extended configuration of the extension type underground escape capsule of the utility model and the prior art it is mobile when survival capsule
Function having the same can provide emergent protection place for underground labour.When meeting with mine disaster, underground work personnel only need to look for
To the extension type underground escape capsule of nearest the utility model, scalable skeleton 1 and flexible sealing cabin 2 are stretched together
It opens, then opens hatch door 21 and enter inside flexible sealing cabin 2, close hatch door 21 later, such underground work personnel are just in one
In a confined space being isolated from the outside, the air inside flexible sealing cabin 2 can be made underground work personnel survive one section when
Between, to wait for extraneous rescue.
The extension type underground escape capsule of the utility model realizes flexible setting, can reduce body when not in use
Accumulation is put, space in occupancy mine as small as possible, and is conveniently advanced with carryings such as the propulsions of work surface.Meanwhile scalable bone
The cladding of frame 1, which is arranged, plays certain protective effect in the outside in flexible sealing cabin 2, reduces the general of the damage of flexible sealing cabin 2
Rate.
Optionally embodiment, as shown in Figs 1-4, scalable skeleton 1 is including at least two support frames 11 and extremely
Few one group is telescopically connected part 12, and being telescopically connected part 12 can shrink and stretch, and each two support frame 12 is flexible by least one set
Connector 12 connects, and each support frame 11 is fixedly connected with 2 outer wall of flexible sealing cabin respectively；It is telescopically connected the contraction of part 12 and stretches
Exhibition drives the reduction and increase of distance between two support frames 11, support frame 11 to drive the contraction and stretching, extension in flexible sealing cabin 2.
It is made specifically, hard metal material can be selected in support frame 11, support strength will be got well, and form can be triangle
The support frame etc. of shape support frame, semicircle support frame, rectangular support frame and other geometries, the utility model are not done specifically
It limits.
Specifically, scalable connector 12 can be the flexible arm type form of primary and secondary, wherein female arm one end of primary and secondary telescopic arm
It is fixedly connected on a support frame, sub- arm one end is fixedly connected on another support frame, and the sub- arm other end is plugged in female arm
And it can be in female arm internal slide in the other end.Scalable connector 12 can also be the stretching structure of flexible lattice door.This practicality
The concrete structure of the scalable connector 12 of new embodiment does not limit, and those skilled in the art can be as needed from existing
It is selected in technology.
Specifically, the extension type underground escape capsule of the utility model embodiment is preferably provided with five support frames 11,
Wherein support frame 11 it is preferable to use triangular support frame with increase support strength reduction pounded the possibility collapsed.Wherein it is telescopically connected part
12 further preferably using the stretching structure for the lattice door that stretches, to increase the protection to flexible sealing cabin 2, while preferably in triangle branch
It is telescopically connected part 12 on being all arranged on three sides of support frame, to increase the globality of scalable skeleton 1.Correspondingly, cooperation triangle
The cross sectional shape of the flexible shape sealed compartment 2 of shape support frame also be triangle, three of them lateral wall respectively with triangular support frame
Three sides be fixedly connected, be stretched on maximum length direction in flexible sealing cabin 2, five support frames 11 are equidistantly positioned, and
The maximum tension of part 12 is telescopically connected between not less than two support frames 11 of 2 length of flexible sealing cabin between two support frames 11
Length.
Optionally embodiment, as seen in figs. 5-6, wherein Fig. 5 are that the extension type underground of the utility model is emergent
Partial enlarged view I under survival capsule extended configuration, Fig. 6 are the extension type underground escape capsule contraction state of the utility model
Under partial enlarged view II, the bulkhead in flexible sealing cabin 2 is double-layer structure, is inflatable chamber between outer bulkhead 22 and inner barn wall 23
24, outer bulkhead 22 is fixedly connected with support frame 11；When extension type underground escape capsule is in contraction state, inflatable chamber 24
Inside it is not filled by gas；When extension type underground escape capsule is in extended configuration, filling gas in inflatable chamber 24.
Specifically, the concrete structure in above-mentioned flexible sealing cabin 2 is the structure of airbag chamber, China and foreign countries' bulkhead 22 selects fire proofing wood
Material is made, and such as outer bulkhead 22 is composite layer, and outermost layer selects flameproof fabric.Flexible sealing as a preferred technical solution,
Self-filler can also be set in cabin 2, and the inflating port of self-filler is connected to inflatable chamber 24, can be for inflatable chamber certainly
Dynamic inflation, reduces the stretching, extension operating time of the extension type underground escape capsule of the utility model embodiment.
The setting of 2 Dual-layer aerated structure of flexible sealing cabin, in its inflated condition, can effective heat-insulating and shock-absorbing, give
Personnel in flexible sealing cabin 2, which provide, more fully to be protected.
As optional embodiment, the inflatable chamber 24 in the flexible sealing cabin 2 between each two support frame 11 is separate chamber
Room carries out independent inflation/deflation.Specifically, it is several to be divided the inflatable chamber 24 in flexible sealing cabin 2 according to the quantity of support frame 11
A independent small inflatable chamber.As shown in Figure 1, as preferred embodiment, inflatable chamber 24 is divided for four independent small inflations
Chamber, wherein split position are located at the position where support frame 12, and such setting is advantageous in that, avoids 24 certain point of inflatable chamber
After damaged gas leakage, flexible sealing cabin 2 is whole all to lose gas-filled protective effect, is only that the small inflatable chamber of independence of gas leakage loses protection work
With other small inflatable chambers can also work normally.
As optional embodiment, it is illustrated in figure 7 a kind of section in the flexible sealing cabin of embodiment of the utility model
Schematic diagram；Flexible sealing cabin 2 is internally provided at least one isolation hatch door 25, and at least one isolation hatch door 25 is by flexible sealing cabin
2 are divided at least two separate spaces, and the installation position that hatch door 25 is isolated is corresponding with the position of support frame 11.
Specifically, as preferred embodiment, 3 isolation hatch doors 25 are provided in flexible sealing cabin 2, by flexible sealing cabin
2 inside divisions are 4 independent spaces, wherein the support frame of centre 3 of the position and scalable skeleton 1 of 3 isolation hatch doors 25
11 positions correspond to.
The setting of hatch door 25 is isolated, can effectively prevent after some point of flexible sealing cabin 2 is damaged, flexible sealing cabin 2 is whole
Body loses sealing effect, does not have protective effect.When finding to have leak source, it is only necessary to be by isolation hatch door closing corresponding with leak source
It can guarantee the sealing in remainder flexible sealing cabin.Meanwhile isolation hatch door 25 is provided in 11 corresponding position of support frame and more has
Conducive to the firm setting of sealing hatch door, sealing the fixed part of hatch door can be fixed on support frame.
As optional embodiment, as Figure 8-9, wherein Fig. 8 is that the protective cover of the utility model embodiment is illustrated
Figure one, Fig. 9 are the protective cover schematic diagram two of the utility model embodiment, the extension type underground escape capsule of the utility model
Further include protective cover 3, one end of scalable skeleton 1 is fixed inside protective cover 3, when extension type underground escape capsule
When in contraction state, as shown in figure 9, scalable skeleton and flexible sealing cabin energy Hide All enter inside protective cover 3；When can
When telescopic underground escape capsule is in extended configuration, as shown in figure 8, scalable skeleton and flexible sealing cabin part position
Inside the protective cover 3, another part is extend out to outside protective cover 3.
Wherein, it is preferable to use the integral type tubular structure that steel plate is welded, cross sectional shape and support frame phases for protective cover 3
Together, such as preferred triangle.The setting of protective cover 3 is in contraction-like in the extension type underground escape capsule of the utility model
When state, Hide All can effectively prevent extraneous factor to cause non-the making to extension type underground escape capsule in protective cover
It is damaged with property；When extension type underground escape capsule is in stretching, extension use state, the partially flexible that is provide with by protective cover 3
Sealed compartment is the region that is perfectly safe, and internal staff can be effectively prevent to be injured by a crashing object or killed by large-scale falling rocks etc..
It is as shown in Figure 10 the utility model roller installation position schematic diagram, wherein protecting as optional embodiment
It covers 3 bottoms and is provided with the first idler wheel 31, for moving extension type underground escape capsule；The lower part of scalable skeleton 1
It is provided with the second idler wheel 13, for reducing resistance of the scalable skeleton 1 in contraction or stretching, extension.
The setting of first idler wheel 31 and the second idler wheel 13 facilitates the extension type underground escape capsule of the utility model
Overall movement and shrink and stretching, extension.
As optional embodiment, it is a kind of Longitudinal cross section schematic of embodiment of the utility model as shown in figure 11, prevents
The both ends of shield are respectively arranged with the first outer hatch door 32 and the second outer hatch door 33, wherein the second outer hatch door 33 is arranged in scalable bone
One end that frame 1 and flexible sealing cabin 2 are stretched out, the setting of the first outer hatch door 32 and the other end.
The setting of first outer hatch door 32 and the second outer hatch door 33 can be in the extension type underground emergency survival of the utility model
Cabin is in contraction state and provides more comprehensive protection, and the setting of the first hatch door 32 can be provided to user in the expanded state
Safer protection prevents the sundries such as falling rocks from directly breaking through hatch door 21 from side.
As optional embodiment, extension type underground escape capsule is internally provided with oxygen generator and is harmful to
Gas treatment equipment can maintain the air quality inside survival capsule for a long time, ensure internal staff's eupnea.
As preferred embodiment, emergency food, water are also provided with inside the escape capsule of extension type underground
Source, medical first aid packet, lighting device, breathing mask, means of communication etc..
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of extension type underground escape capsule, which is characterized in that including scalable skeleton and with the flexibility of hatch door
Sealed compartment, the flexible sealing cabin are arranged in the scalable skeletal internal, wherein：
Setting is shunk in the scalable framework shrinkage setting, the flexible sealing cabin together with the scalable skeleton, it is described can
Telescopic underground escape capsule is in contraction state；
Setting is stretched in the scalable frame expansion setting, the flexible sealing cabin together with the scalable skeleton, it is described can
Telescopic underground escape capsule is in extended configuration；
The volume of the extension type underground escape capsule contraction state is stretched less than extension type underground escape capsule
The volume of exhibition state.
2. extension type underground according to claim 1 escape capsule, which is characterized in that the scalable skeleton includes
At least two support frames and at least one set are telescopically connected part, and the part that is telescopically connected can shrink and stretch, wherein：
Support frame described in each two by being telescopically connected part connection described at least one set, each support frame respectively with it is described soft
Property sealed compartment outer wall connection；
The contraction for being telescopically connected part and stretching, extension drive the reduction and increase of distance between two support frames, the support
Frame drives the contraction and stretching, extension in the flexible sealing cabin.
3. extension type underground according to claim 2 escape capsule, which is characterized in that the storehouse in the flexible sealing cabin
Wall is double-layer structure, is inflatable chamber between China and foreign countries' bulkhead and inner barn wall, and the outer bulkhead is connect with the support frame；
When extension type underground escape capsule is in contraction state, gas is not filled by the inflatable chamber；When described
When extension type underground escape capsule is in extended configuration, filling gas in the inflatable chamber.
4. extension type underground according to claim 3 escape capsule, which is characterized in that support frame described in each two it
Between the flexible sealing cabin inflatable chamber be separate chamber, carry out independent inflation/deflation.
5. extension type underground according to claim 3 escape capsule, which is characterized in that inside the flexible sealing cabin
It is provided at least one isolation hatch door, flexible sealing cabin is divided at least two independently described at least one cofferdam goalkeeper
Space, wherein：
The installation position of the isolation hatch door is corresponding with the position of the support frame.
6. according to claim 1-5 any one of them extension types underground escape capsule, which is characterized in that described scalable
Formula underground escape capsule further includes protective cover, and one end of the scalable skeleton is fixed inside the protective cover,
In：
When extension type underground escape capsule is in contraction state, the scalable skeleton and flexible sealing cabin energy
Hide All enters inside the protective cover；
When extension type underground escape capsule is in extended configuration, the scalable skeleton and flexible sealing cabin one
Part is located inside the protective cover, and another part is extend out to outside the protective cover.
7. extension type underground according to claim 6 escape capsule, which is characterized in that the protective cover bottom setting
There is the first idler wheel, for moving extension type underground escape capsule.
8. extension type underground according to claim 6 escape capsule, which is characterized in that under the scalable skeleton
Portion is provided with the second idler wheel, resistance when for reducing the scalable framework shrinkage or stretching, extension.
9. extension type underground according to claim 6 escape capsule, which is characterized in that the both ends of the protective cover point
It is not provided with the first outer hatch door and the second outer hatch door.
10. extension type underground according to claim 6 escape capsule, which is characterized in that the extension type underground
Escape capsule is internally provided with oxygen generator and harmful gas processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427870.0U CN208024396U (en) | 2018-03-27 | 2018-03-27 | A kind of extension type underground escape capsule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427870.0U CN208024396U (en) | 2018-03-27 | 2018-03-27 | A kind of extension type underground escape capsule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024396U true CN208024396U (en) | 2018-10-30 |
Family
ID=63908398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820427870.0U Expired - Fee Related CN208024396U (en) | 2018-03-27 | 2018-03-27 | A kind of extension type underground escape capsule |
Country Status (1)
| Country | Link |
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| CN (1) | CN208024396U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404200A (en) * | 2019-06-24 | 2019-11-05 | 华北科技学院 | Quickly isolate rescue aid, underground space rescue supporting and fire rescue method |
| CN113464198A (en) * | 2021-06-25 | 2021-10-01 | 华能煤炭技术研究有限公司 | Rescue support device |
| CN114017099A (en) * | 2021-11-26 | 2022-02-08 | 哈尔滨工业大学 | Movable inflatable semi-rigid emergency rescue capsule for mine |
-
2018
- 2018-03-27 CN CN201820427870.0U patent/CN208024396U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404200A (en) * | 2019-06-24 | 2019-11-05 | 华北科技学院 | Quickly isolate rescue aid, underground space rescue supporting and fire rescue method |
| CN113464198A (en) * | 2021-06-25 | 2021-10-01 | 华能煤炭技术研究有限公司 | Rescue support device |
| CN113464198B (en) * | 2021-06-25 | 2024-05-14 | 华能煤炭技术研究有限公司 | Rescue support device |
| CN114017099A (en) * | 2021-11-26 | 2022-02-08 | 哈尔滨工业大学 | Movable inflatable semi-rigid emergency rescue capsule for mine |
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Granted publication date: 20181030 Termination date: 20190327 |