CN114277851A - Quick stagnant water gasbag under tunnel or piping lane emergency state - Google Patents
Quick stagnant water gasbag under tunnel or piping lane emergency state Download PDFInfo
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- CN114277851A CN114277851A CN202210026539.9A CN202210026539A CN114277851A CN 114277851 A CN114277851 A CN 114277851A CN 202210026539 A CN202210026539 A CN 202210026539A CN 114277851 A CN114277851 A CN 114277851A
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Abstract
The invention relates to the technical field of emergency water stopping, in particular to a rapid water stopping air bag in a tunnel or pipe gallery emergency state, which comprises an integral frame, a coronary bag body, an injection pipe, a three-way valve, an air inlet valve, an air outlet pipe, an air outlet valve, a barometer and a rubber filling component, wherein the integral frame is provided with a support; the inside of coronary utricule is provided with the whole frame of support coronary utricule, be provided with the ascending pipe and the outlet duct that link up with coronary utricule respectively on the coronary utricule, the one end that the coronary utricule was kept away from to the ascending pipe is provided with the three-way valve, be provided with admission valve and rubber packing subassembly on the three-way valve respectively, rubber packing subassembly is to the inside packing of coronary utricule, the one end that the three-way valve was kept away from to the admission valve is provided with the barometer, be provided with the air outlet valve on the outlet duct, so can carry out the shutoff to the hole of the department of leaking of tunnel or piping lane fast under emergency condition, and form permanent encapsulated situation, make the hole to tunnel or piping lane seal effect better.
Description
Technical Field
The invention relates to the technical field of emergency water stopping, in particular to a rapid water stopping air bag in an emergency state of a tunnel or a pipe gallery.
Background
At present, the tunnel is an engineering building buried in the ground and is in a form that people utilize underground space. And the structure of the tunnel includes two parts of a main building and auxiliary equipment. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.
The pipe gallery is just an underground city pipeline comprehensive corridor, namely a tunnel space is built underground in a city, and various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated.
Because tunnel or piping lane offer at the massif or underground, the structure of the inside of massif or underground is complicated, and when tunnel or piping lane's bearing structure appeared damaging, the hole of flowing water can appear in tunnel or piping lane, need carry out emergent shutoff to the hole of flowing water this moment, because the hole has the condition of flowing water, carries out the shutoff to the hole under the condition that does not carry out the stagnant water to flowing water at present, and then makes the shutoff construction difficult to go on.
Disclosure of Invention
The invention aims to provide a rapid water stopping air bag in an emergency state of a tunnel or a pipe gallery, and aims to solve the technical problems that in the prior art, when a supporting structure of the tunnel or the pipe gallery is damaged, holes of running water can be formed in the tunnel or the pipe gallery, the holes of the running water need to be plugged in an emergency mode, and due to the fact that the holes have the running water condition, the holes are not plugged under the condition that the running water is not stopped at present, and therefore plugging construction is difficult to conduct.
In order to achieve the purpose, the rapid water-stopping air bag used in the emergency state of the tunnel or the pipe gallery comprises an integral frame, a crown-shaped bag body, an injection pipe, a three-way valve, an air inlet valve, an air outlet pipe, an air outlet valve, a barometer and a rubber filling component;
the utility model discloses a coronary utricule, including coronary utricule, injection pipe, air outlet pipe, three-way valve, admission valve and rubber packing component, the inside of coronary utricule is provided with the support the coronary utricule the whole frame, be provided with on the coronary utricule respectively with the coronary utricule link up the injection pipe with the air outlet pipe, the injection pipe is kept away from the one end of coronary utricule is provided with the three-way valve, be provided with on the three-way valve respectively the admission valve with the rubber packing component, the rubber packing component is to the inside packing of coronary utricule, the admission valve is kept away from the one end of three-way valve is provided with the barometer, be provided with on the air outlet pipe the air outlet valve.
The integral frame comprises a side wall bracket, a central cylinder, a connecting bracket, a top supporting assembly and a connecting supporting assembly, wherein the side wall bracket is arranged on the inner side wall of the coronary sac body and is fixed with the coronary sac body; the connecting support rotates with the side wall support and the central cylinder body through the connecting support assembly respectively; the top support assembly is disposed between the central cylinder and the sidewall, supporting the coronary bladder.
The connecting and supporting assembly comprises a central connecting shaft sleeve and a side wall connecting shaft sleeve, and the central connecting shaft sleeve is rotatably connected with the central cylinder and fixedly connected with the connecting support; the side wall connecting shaft sleeve is rotatably connected with the side wall support and is fixedly connected with the connecting support.
The connecting support comprises an installation cylinder, a telescopic cylinder and a piston plug head, the installation cylinder is fixedly connected with the central connecting shaft sleeve, and an opening of the installation cylinder faces to the direction of the side wall connecting shaft sleeve; one end of the telescopic cylinder is fixedly connected with the side wall connecting shaft sleeve, the other end of the telescopic cylinder is fixedly connected with the piston plug head, and the piston plug head is slidably mounted in the mounting cylinder.
The connecting support further comprises a sealing ring, and the sealing ring is sleeved on the outer side of the telescopic cylinder and is abutted to the mounting cylinder.
The top support assembly comprises a support ring body and a telescopic shaft rod, wherein the support ring body is fixedly connected with the coronary sac body and is positioned on the inner side of the coronary sac body; the telescopic shaft lever is respectively connected with the support ring body and the side wall bracket and supports the support ring body.
The rubber filling assembly comprises a quick plug and a rubber connecting valve, and the quick plug is arranged on the three-way valve and is communicated with the three-way valve; the rubber connecting valve is arranged at one end, far away from the three-way valve, of the quick plug and controls the opening and closing of the quick plug.
Wherein, quick stagnant water gasbag still includes the foaming layer under tunnel or piping lane emergency state, the foaming layer sets up the outside of coronary utricule to enclose and establish a week of coronary utricule.
The invention relates to a rapid water-stopping air bag in an emergency state of a tunnel or a pipe gallery, which comprises an integral frame, a crown-shaped bag body, an injection pipe, a three-way valve, an air inlet valve, an air outlet pipe, an air outlet valve, a barometer and a rubber filling component, wherein the integral frame is provided with a plurality of air inlet holes; the inside of coronary utricule is provided with the support coronary utricule whole frame, be provided with on the coronary utricule respectively with the coronary utricule link up the ascending pipe with the outlet duct, the ascending pipe is kept away from the one end of coronary utricule is provided with the three-way valve, be provided with on the three-way valve respectively the admission valve with the subassembly is filled to rubber, rubber is filled the subassembly and is filled coronary utricule inside, the admission valve is kept away from the one end of three-way valve is provided with the barometer, be provided with on the outlet duct the air outlet valve so can carry out the shutoff to the hole of the department of leaking of tunnel or piping lane fast under emergency to form permanent seal state, make the sealed effect of hole to tunnel or piping lane better.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the rapid water-stopping air bag in an emergency state of a tunnel or a pipe gallery.
Fig. 2 is a structural schematic diagram of the integral frame of the present invention.
Fig. 3 is a schematic view of a coupling structure of the center cylinder and the support ring body of the present invention.
Fig. 4 is a schematic structural view of the connecting bracket of the present invention.
Fig. 5 is a schematic view of the construction of the telescopic shaft of the present invention.
In the figure: 1-integral frame, 2-coronary bag body, 3-injection pipe, 4-three-way valve, 5-air inlet valve, 6-air outlet pipe, 7-air outlet valve, 8-barometer, 9-rubber filling component, 10-foaming layer, 11-side wall bracket, 12-central cylinder, 13-connecting bracket, 14-top supporting component and 15-connecting supporting component, 16-vertical connecting telescopic rod, 91-quick plug, 92-rubber connecting valve, 131-mounting cylinder, 132-telescopic cylinder, 133-piston plug head, 134-sealing ring, 141-supporting ring body, 142-telescopic shaft rod, 151-central connecting shaft sleeve, 152-side wall connecting shaft sleeve, 1421-connecting shaft rod, 1422-telescopic rod piece and 1423-buffer piston.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, the present invention provides a rapid water-stopping airbag in emergency state of tunnel or pipe gallery, comprising an integral frame 1, a crown-shaped bag body 2, an injection pipe 3, a three-way valve 4, an air inlet valve 5, an air outlet pipe 6, an air outlet valve 7, a barometer 8 and a rubber filling component 9;
the inside of coronary utricule 2 is provided with the support coronary utricule 2 whole frame 1, be provided with on the coronary utricule 2 respectively with coronary utricule 2 link up the ascending pipe 3 with outlet duct 6, ascending pipe 3 is kept away from the one end of coronary utricule 2 is provided with three-way valve 4, be provided with on the three-way valve 4 respectively admission valve 5 with rubber packing component 9, rubber packing component 9 is to the inside packing of coronary utricule 2, admission valve 5 is kept away from the one end of three-way valve 4 is provided with barometer 8, be provided with on the outlet duct 6 outlet valve 7.
In this embodiment, the coronary sac body 2 is made of flexible rubber, the bottom of the coronary sac body 2 is provided with the injection pipe 3 connected with the three-way valve 4, the gas outlet pipe 6 is arranged beside the injection pipe 3, one end of the gas outlet pipe 6 is communicated with the inside of the coronary sac body 2, the other end of the gas outlet pipe 6 is connected with the gas outlet valve 7, the gas outlet valve 7 is adjusted by the valve core to open or close the on-off of the gas outlet pipe 6, and air is pumped outwards from the coronary sac body 2, so that the control of the gas quantity inside the coronary sac body 2 is realized; the three-way valve 4 is installed at the end of the injection pipe 3, three ends of the three-way valve 4 are respectively connected with the injection pipe 3, the air intake valve 5 and the rubber filling assembly 9, the three-way valve 4 can realize the communication between the telescopic injection pipe 3 and the air intake valve 5 or the rubber filling assembly 9, and the air intake valve 5 can convey air to the injection pipe 3 and the interior of the coronary air bag, so that the interior of the coronary air bag is inflated; the rubber filling component 9 can keep a smooth connection with the injection pipe 3 and is connected with an external feeding device, cured rubber is filled in the feeding device and is pumped into the crown-shaped air bag to fill the crown-shaped air bag under the driving of the rubber filling component 9, so that when emergency water stopping is needed, the contracted crown-shaped air bag is placed at a water stopping position, the three-way valve 4 is opened to keep a pipeline between the air inlet valve 5 and the injection pipe 3 smooth, the crown-shaped air bag is inflated through the air inlet valve 5 to enable the crown-shaped air bag to be inflated and expanded, when the pressure value in the crown-shaped air bag monitored by the air pressure gauge 8 reaches the pressure value of the optimal state of sealing water stopping, the air outlet valve 7 is opened to discharge air, and meanwhile, the three-way valve 4 is started to enable the rubber filling component 9 and the injection pipe 3 to keep a smooth connection, thereby through quick plug 91 to the inside injection curing rubber of coronary utricule 2, and then reach permanent sealed effect, so can carry out the shutoff to the hole of the department of leaking of tunnel or piping lane fast under emergency situation to form permanent seal state, make the hole to tunnel or piping lane sealed effect better.
Further, referring to fig. 2 to 4, the integral frame 1 includes a side wall bracket 11, a central cylinder 12, a connecting bracket 13, a top support assembly 14 and a connecting support assembly 15, wherein the side wall bracket 11 is disposed on an inner side wall of the coronary bladder 2 and fixed with the coronary bladder 2; the connecting bracket 13 rotates with the side wall bracket 11 and the central cylinder 12 through the connecting support assembly 15; the top support assembly 14 is arranged between the central cylinder 12 and the side wall, supporting the crown bladder 2.
In this embodiment, the sidewall holders 11 are vertical struts and are adhered to the inner sidewall of the coronary sac body 2 by glue, the number of the sidewall holders 11 is multiple, and the number of the sidewall holders is set according to the difference of the diameters of the coronary sac body 2; the utility model discloses a coronary utricule 2, including lateral wall support 11, connecting support assembly 15, connecting support 13 level sets up to can carry out the flexible of length, the rear end of connecting support 13 passes through connecting support assembly 15 with central barrel 12 is connected, central barrel 12 is the ring form, and sets up the central point of coronary utricule 2 puts, central barrel 12 is through the many of side direction connecting support 13 connects, and then coronary utricule 2 is by gas filling after to gas outlet valve 7 will between the gaseous whole taking out of coronary utricule 2, the accessible central barrel 12 with the cooperation of connecting support 13 realizes right the lateral wall of coronary utricule 2 supports, and then has avoided gas outlet valve 7 is in the air exhaust process, coronary utricule 2 contracts.
Further, referring to fig. 2, the connection support assembly 15 includes a central connection shaft sleeve 151 and a side wall connection shaft sleeve 152, and the central connection shaft sleeve 151 is rotatably connected to the central cylinder 12 and is fixedly connected to the connection bracket 13; the side wall connecting sleeve 152 is rotatably connected with the side wall bracket 11 and is fixedly connected with the connecting bracket 13.
In this embodiment, the central connecting shaft sleeve 151 is an arc ring body with a hollow interior, the central connecting shaft sleeve 151 is sleeved outside the ring body of the central cylinder 12, since a hole at the center of the central connecting shaft sleeve 151 is larger than the diameter of the ring body of the central cylinder 12, the central connecting shaft sleeve 151 can rotate on the central cylinder 12, and the central connecting shaft sleeve 151 is fixed to the end of the connecting support 13, so that the rotation of the telescopic connecting support 13 and the central cylinder 12 can be realized; the end of the side wall connecting shaft sleeve 152 is provided with a cross rod, the side wall connecting shaft sleeve 152 is sleeved on the end cross rod of the side wall support 11 and realizes axial rotation, and the connecting support 13 is fixedly installed with the side wall connecting shaft sleeve 152, so that the rotation of the central cylinder 12, the connecting support 13 and the side wall support 11 is realized.
Further, referring to fig. 2 to 4, the connecting bracket 13 includes a mounting cylinder 131, a telescopic cylinder 132 and a piston plug 133, the mounting cylinder 131 is fixedly connected to the central connecting shaft sleeve 151, and an opening of the mounting cylinder 131 faces the direction of the side wall connecting shaft sleeve 152; one end of the telescopic cylinder 132 is fixedly connected with the side wall connecting shaft sleeve 152, the other end of the telescopic cylinder 132 is fixedly connected with the piston plug 133, and the piston plug 133 is slidably mounted in the mounting cylinder 131.
In this embodiment, the rear end of the mounting cylinder 131 is fixedly mounted on the central connecting shaft sleeve 151, the front end of the mounting cylinder 131 has a circular opening, the piston plug 133 is slidably mounted in the opening of the mounting cylinder 131, the front end of the telescopic cylinder 132 extends into the opening of the mounting cylinder 131 and is fixed to the piston plug 133, and the rear end of the telescopic cylinder 132 is fixed to the side wall connecting shaft sleeve 152, so that the connecting bracket 13 realizes buffering support for the central connecting shaft sleeve 151 and the side wall connecting shaft sleeve 152.
Further, referring to fig. 4, the connecting bracket 13 further includes a sealing ring 134, and the sealing ring 134 is sleeved on the outer side of the telescopic cylinder 132 and abuts against the mounting cylinder 131.
In this embodiment, the sealing ring 134 is made of rubber and is fitted over the outside of the telescopic cylinder 132 to seal the space between the telescopic cylinder 132 and the mounting cylinder 131, so that the piston plug 133 is held in the sealed space, thereby achieving a buffering function.
Further, referring to fig. 2, 3 and 5, the top support assembly 14 includes a support ring 141 and a telescopic shaft 142, wherein the support ring 141 is fixedly connected with the coronary balloon 2 and is located inside the coronary balloon 2; the telescopic shaft 142 is respectively connected to the support ring 141 and the sidewall bracket 11, and supports the support ring 141.
In this embodiment, the support ring body 141 is adhered to the inner side surface of the top of the coronary balloon body 2 by an adhesive, the telescopic shaft rod 142 is a telescopic rod, and two ends of the telescopic shaft rod 142 are respectively connected to the support ring body 141 and the side wall bracket 11, so as to laterally support the support ring body 141, so that the resistance denaturation performance of the front end of the coronary balloon body 2 contacting water is better.
Further, referring to fig. 2, fig. 3 and fig. 5, the telescopic shaft 142 includes a connecting shaft 1421, a telescopic rod 1422 and a damping piston 1423, the connecting shaft 1421 is rotatably connected to the sidewall bracket 11 and is located on one side of the sidewall bracket 11 close to the support ring 141; one end of the telescopic shaft 142 is rotatably connected to the support ring 141, and the other end of the telescopic shaft 142 is fixedly connected to the buffer piston 1423.
In this embodiment, a cross-shaped cross bar is disposed at the top end of the sidewall support 11, the rear end of the connecting shaft 1421 is rotatably connected to the cross-shaped cross bar of the sidewall support 11, the rear end of the telescopic rod 1422 is rotatably connected to the support ring 141, the buffer piston 1423 is slidably mounted inside the connecting shaft 1421, and the front end of the telescopic rod 1422 extends into the connecting shaft 1421 and is fixed to the buffer piston 1423, so that the buffer piston 1423 extrudes the gas inside the connecting shaft 1421, thereby realizing buffer support of the support ring 141.
Further, referring to fig. 3, the overall frame 1 further includes a vertical connection telescopic rod 16, one end of the vertical connection telescopic rod 16 is fixedly connected to the support ring 141, the other end of the vertical connection telescopic rod 16 is fixedly connected to the central cylinder 12, and the vertical connection telescopic rod 16 supports the support ring 141 and the central cylinder 12 respectively.
In this embodiment, the upper and lower ends of the vertical connecting rod 16 are respectively connected to the supporting ring 141 and the central cylinder 12 to form a cylindrical support, so as to improve the stability of the coronary body 2.
Further, referring to fig. 1, the rubber filling assembly 9 includes a quick plug 91 and a rubber connecting valve 92, the quick plug 91 is disposed on the three-way valve 4 and is communicated with the three-way valve 4; the rubber connection valve 92 is disposed at an end of the quick connector 91 away from the three-way valve 4, and controls the opening and closing of the quick connector 91.
In this embodiment, the quick plug 91 is connected to the three-way valve 4 and is communicated with the three-way valve 4, the quick plug 91 realizes communication between the three-way valve 4 and external rubber storage equipment, the rubber connection valve 92 is installed at an interface end of the quick plug 91, and pumping of rubber is realized through the rubber connection valve 92, so that external cured rubber is filled into the crown-shaped air bag, and filling and fixing of the interior of the crown-shaped air bag are realized.
Further, referring to fig. 1, the rapid water-stopping airbag in an emergency state of the tunnel or the pipe gallery further includes a foaming layer 10, and the foaming layer 10 is disposed outside the coronary bag body 2 and surrounds the periphery of the coronary bag body 2.
In this embodiment, the surface of coronary gasbag is provided with foaming layer 10, foaming layer 10 is the sponge material, and foaming layer 10 is met water after-expansion, can be right the gap department of coronary gasbag and hole inside wall fills, and then carries out the shutoff to the hole of tunnel or piping lane flowing water better.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A rapid water-stopping air bag in an emergency state of a tunnel or a pipe gallery is characterized by comprising an integral frame, a crown-shaped bag body, an injection pipe, a three-way valve, an air inlet valve, an air outlet pipe, an air outlet valve, a barometer and a rubber filling component;
the utility model discloses a coronary utricule, including coronary utricule, injection pipe, air outlet pipe, three-way valve, admission valve and rubber packing component, the inside of coronary utricule is provided with the support the coronary utricule the whole frame, be provided with on the coronary utricule respectively with the coronary utricule link up the injection pipe with the air outlet pipe, the injection pipe is kept away from the one end of coronary utricule is provided with the three-way valve, be provided with on the three-way valve respectively the admission valve with the rubber packing component, the rubber packing component is to the inside packing of coronary utricule, the admission valve is kept away from the one end of three-way valve is provided with the barometer, be provided with on the air outlet pipe the air outlet valve.
2. The quick water-stopping air bag in the emergency state of the tunnel or pipe gallery according to claim 1,
the integral frame comprises a side wall bracket, a central cylinder, a connecting bracket, a top supporting assembly and a connecting supporting assembly, wherein the side wall bracket is arranged on the inner side wall of the coronary sac body and is fixed with the coronary sac body; the connecting support rotates with the side wall support and the central cylinder body through the connecting support assembly respectively; the top support assembly is disposed between the central cylinder and the sidewall, supporting the coronary bladder.
3. The quick water-stopping air bag in the emergency state of the tunnel or pipe gallery according to claim 2,
the connecting and supporting assembly comprises a central connecting shaft sleeve and a side wall connecting shaft sleeve, and the central connecting shaft sleeve is rotatably connected with the central cylinder and fixedly connected with the connecting bracket; the side wall connecting shaft sleeve is rotatably connected with the side wall support and is fixedly connected with the connecting support.
4. A rapid water-stopping air bag in an emergency state of a tunnel or a pipe gallery according to claim 3,
the connecting support comprises an installation cylinder, a telescopic cylinder and a piston plug head, the installation cylinder is fixedly connected with the central connecting shaft sleeve, and an opening of the installation cylinder faces to the direction of the side wall connecting shaft sleeve; one end of the telescopic cylinder is fixedly connected with the side wall connecting shaft sleeve, the other end of the telescopic cylinder is fixedly connected with the piston plug head, and the piston plug head is slidably mounted in the mounting cylinder.
5. A rapid water-stopping air bag in an emergency state of a tunnel or a pipe gallery according to claim 4,
the connecting support further comprises a sealing ring, and the sealing ring is sleeved on the outer side of the telescopic cylinder and is abutted to the mounting cylinder.
6. The quick water-stopping air bag in the emergency state of the tunnel or pipe gallery according to claim 2,
the top support assembly comprises a support ring body and a telescopic shaft rod, and the support ring body is fixedly connected with the coronary sac body and is positioned on the inner side of the coronary sac body; the telescopic shaft lever is respectively connected with the support ring body and the side wall bracket and supports the support ring body.
7. The quick water-stopping air bag in the emergency state of the tunnel or pipe gallery according to claim 1,
the rubber filling assembly comprises a quick plug and a rubber connecting valve, and the quick plug is arranged on the three-way valve and is communicated with the three-way valve; the rubber connecting valve is arranged at one end, far away from the three-way valve, of the quick plug and controls the opening and closing of the quick plug.
8. The quick water-stopping air bag in the emergency state of the tunnel or pipe gallery according to claim 1,
the rapid water-stopping air bag under the emergency state of the tunnel or the pipe gallery further comprises a foaming layer, wherein the foaming layer is arranged on the outer side of the coronary bag body and is arranged around the periphery of the coronary bag body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026539.9A CN114277851A (en) | 2022-01-11 | 2022-01-11 | Quick stagnant water gasbag under tunnel or piping lane emergency state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026539.9A CN114277851A (en) | 2022-01-11 | 2022-01-11 | Quick stagnant water gasbag under tunnel or piping lane emergency state |
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| Publication Number | Publication Date |
|---|---|
| CN114277851A true CN114277851A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210026539.9A Pending CN114277851A (en) | 2022-01-11 | 2022-01-11 | Quick stagnant water gasbag under tunnel or piping lane emergency state |
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| Country | Link |
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| CN (1) | CN114277851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115961645A (en) * | 2022-11-28 | 2023-04-14 | 安徽隆润高分子材料有限公司 | Quick stagnant water gasbag under tunnel or piping lane emergency state |
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| JP2003064701A (en) * | 2001-08-27 | 2003-03-05 | Akio Iida | Inundation preventing apparatus |
| CN106627785A (en) * | 2016-11-16 | 2017-05-10 | 重庆代发铸造有限公司 | Automobile engine hood airbag telescopic supporting mechanism |
| CN109204739A (en) * | 2018-10-10 | 2019-01-15 | 上海海事大学 | It is portable from aerated lifesaving device |
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| CN115961645A (en) * | 2022-11-28 | 2023-04-14 | 安徽隆润高分子材料有限公司 | Quick stagnant water gasbag under tunnel or piping lane emergency state |
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