CN109371810B - Portable puncture-preventing floating bridge for wading auxiliary rescue - Google Patents
Portable puncture-preventing floating bridge for wading auxiliary rescue Download PDFInfo
- Publication number
- CN109371810B CN109371810B CN201811378496.0A CN201811378496A CN109371810B CN 109371810 B CN109371810 B CN 109371810B CN 201811378496 A CN201811378496 A CN 201811378496A CN 109371810 B CN109371810 B CN 109371810B
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- floating body
- shell
- rescue
- inflatable
- floating
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
- B63C9/04—Life-rafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/22—Devices for holding or launching life-buoys, inflatable life-rafts, or other floatable life-saving equipment
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
- E01D15/20—Floating bridges, e.g. pontoon bridges collapsible, expandable, inflatable or the like with main load supporting structure consisting only of non-rigid members
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
- B63C9/04—Life-rafts
- B63C2009/042—Life-rafts inflatable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a portable puncture-proof floating bridge for wading auxiliary rescue, which comprises a first part, a floating body, an inflation part and a second part, wherein the first part comprises a first shell, a floating body winding drum and a first motor; the inflation component comprises a support plate, a connecting cylinder, an air bag and a compressed air tank; the floating body comprises a bridge deck main body and an inflatable buoy; the second component includes a second housing, a cable drum, and a power control box. The portable puncture-preventing floating bridge for wading auxiliary rescue has the advantages of reasonable structure, simple structure, convenience in use, portability, safety, reliability, strong adaptability and the like, and effectively solves the problem that no applicable wading rescue equipment is available in special terrains in the rescue process.
Description
Technical Field
The invention relates to the field of emergency rescue and disaster relief equipment, in particular to a portable puncture-preventing floating bridge for wading auxiliary rescue.
Background
In flood or rainy season, the urban waterlogging or river water level soaring is caused by too much rainwater, thereby causing traffic interruption or pedestrian trapping, in the past rescue operation, large-scale equipment such as a pontoon bridge, a fire-fighting aerial ladder, a assault boat and the like are required for supporting personnel to be transferred from flood to shore, and large-scale machinery is used for carrying out rescue, however, in some special situations such as wild mountainous areas and the like, the large-scale machinery is difficult to reach, which not only brings inconvenience to rescue work, but also can miss optimal rescue time, therefore, in the past rescue, in the case that large machinery cannot reach, a fire fighting rope is usually adopted to connect two ends of rescuers and stranded personnel, and the rescuers or the stranded personnel move along the fire fighting rope to escape, however, the mode has certain potential safety hazard and needs to consume a large amount of physical power in the process of traveling, and the mode is not suitable for rescuing physically weak people such as the old, the weak, the sick, the disabled and the pregnant.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the problems in the prior art, the portable puncture-preventing floating bridge for wading auxiliary rescue is provided, is reasonable in structure, has the advantages of being simple in structure, convenient to use, convenient to carry, safe, reliable, strong in adaptability and the like, and effectively solves the problem that wading rescue equipment which is not suitable for a special terrain is not available in the rescue process.
The technical scheme adopted by the invention for solving the technical problems is as follows: a portable puncture-proof floating bridge for assisted wading rescue comprises a first part, a floating body, an inflation part and a second part, wherein the first part comprises a first shell, a floating body winding drum which is arranged in the inner cavity of the first shell and has a hollow structure, and a first motor; one end of the floating body winding drum is rotationally connected with the first shell, an inner gear ring is arranged in an inner cavity at the other end of the floating body winding drum, and the inner gear ring is in transmission connection with a first motor fixed in the first shell through a gear;
the inflatable component comprises a support plate, connecting cylinders arranged on two sides of the support plate, an air bag arranged at the bottom of the support plate and a compressed air tank; the connecting cylinder is of a cylindrical structure with a one-way opening, and the inner cavity of the connecting cylinder is connected with the air outlet of the compressed air tank;
the floating body comprises a bridge deck main body and inflatable floating bowls arranged on two sides of the bridge deck main body; one end of the floating body is connected with the floating body winding drum, and the port of the inflatable floating drum at the end is of a closed structure; the other end of the floating body is connected with an inflatable component, wherein the port of the inflatable buoy at the other end is connected with the opening of the connecting cylinder through a quick connector;
the second component comprises a second shell, a cable drum arranged in the shell and a power control box; the power control box is fixedly arranged in the middle of the inner cavity of the second shell, a controller, two second motors and a storage battery are arranged in the second shell, and the controller is electrically connected with the first motor, the two second motors and the storage battery respectively;
the cable drums are symmetrically arranged on two sides of the power control box and are in transmission connection with the two second motors respectively; and the cable drum is provided with a cable, and the cable penetrates through the connecting ring arranged on the connecting drum and then is connected with the first component.
Furthermore, the outer side surfaces of the first shell and the second shell are also provided with handle frames with annular structures, wherein the handle frames arranged on the first shell are provided with narrow openings in the extending direction of the floating bodies, and the floating bodies penetrate through the narrow openings.
Furthermore, the first shell and the second shell are also provided with connecting belts, and the free ends of the connecting belts are provided with fastening connecting pieces.
Furthermore, the inflatable component is also provided with a cover plate for covering the joint seam of the inflatable component and the floating body.
Furthermore, the bridge deck main body is formed by mutually connecting an elastic rubber block with a honeycomb-shaped cavity inside or a plurality of mutually connected chain plates.
Furthermore, a plurality of reinforcing rod pieces are arranged in the bridge deck main body along the central axis direction of the floating body winding drum, and two ends of each reinforcing rod piece are of spherical structures which are not easy to pierce through the bridge deck main body.
Furthermore, the outer surface of the inflatable buoy is fixedly provided with a puncture-proof layer made of poly-p-phenylene terephthamide fiber.
The invention has the beneficial effects that: a portable puncture-proof floating bridge for wading auxiliary rescue comprises a first part, a floating body, an inflating part and a second part, wherein the first part and the second part are connected with each other through a cable arranged on the second part, the first part and the second part are respectively fixed at two ends of trapped people and rescue personnel during use, the stability is good, the floating body is unfolded along the extending direction of the cable when the inflating part inflates air into the floating body, the floating body is provided with a puncture-proof layer which can well deal with the puncture of a sharp object in water on the floating body, the floating body is also provided with a reinforcing rod piece which can be used for homogenizing the surface stress of the floating body, reducing the rollover danger of the floating body, and the floating bridge is easy to store and convenient to carry after use, is suitable for most rescue actions needing wading, and can be used as a temporary bridge for field camping after disaster; the novel wading rescue device is reasonable in structure, has the advantages of being simple in structure, convenient to use, convenient to carry, safe, reliable, strong in adaptability and the like, and effectively solves the problem that no applicable wading rescue equipment exists in special terrains in the rescue process.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall structure diagram of a portable puncture-proof floating bridge for wading auxiliary rescue according to the invention;
FIG. 2 is a schematic view of a connection structure of a first shell and a handle rack of the portable puncture-proof floating bridge for wading auxiliary rescue according to the invention;
FIG. 3 is a schematic view of a connection structure of a first shell, a floating body drum and a first motor of the portable puncture-proof floating bridge for wading auxiliary rescue according to the invention;
FIG. 4 is a schematic structural view of a floating body of the portable puncture-proof floating bridge for wading auxiliary rescue according to the invention;
FIG. 5 is a schematic view of the upper surface structure of the inflatable component of the portable puncture-proof pontoon for wading assistant rescue according to the invention;
FIG. 6 is a schematic view of the bottom structure of the inflatable component of the portable puncture-proof pontoon for wading assisting rescue according to the invention;
FIG. 7 is a schematic diagram of the overall structure of a second part of the portable puncture-proof pontoon for wading assisted rescue according to the invention;
fig. 8 is a schematic diagram of the internal structure of a second part of the portable puncture-proof pontoon for wading assisted rescue according to the invention.
The scores in the figures are as follows:
1. the device comprises a first component, 11, a handle rack, 12, a narrow opening, 13, a first shell, 14, a floating body reel, 141, an inner gear ring, 15, a first motor, 16, a gear, 17, a fastening connector, 18, a connecting belt, 2, a floating body, 21, a bridge deck body, 211, a reinforcing rod piece, 22, an inflation buoy, 222, an anti-puncture layer, 3, an inflation component, 31, a quick connector, 32, a cover plate, 33, a supporting plate, 34, a connecting cylinder, 35, an air bag, 36, a compression air tank, 37, a connecting ring, 4, a second component, 41, a cable reel, 42, a power control box, 421, a controller, 422, a second motor, 423, a storage battery, 43, a second shell, 44 and a cable.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The portable puncture-proof floating bridge for wading auxiliary rescue as shown in fig. 1 comprises a first component 1, a floating body 2, an inflation component 3 and a second component 4.
As shown in fig. 2 and 3, the first component 1 includes a first housing 13, a floating body reel 14 having a hollow structure and disposed in an inner cavity of the first housing 13, and a first motor 15; one end of the floating body winding drum 14 is rotationally connected with the first shell 13, an inner gear ring 141 is arranged in an inner cavity at the other end of the floating body winding drum 14, and the inner gear ring 141 is in transmission connection with a first motor 15 fixed in the first shell 13 through a gear 16;
in order to prevent the ring gear 141 and the gear 16 from separating during the mutual rotation, the end of the float drum 14 that is rotationally connected to the first housing 13 should also be provided with an axial stop mechanism, for example, in one possible embodiment, one end of the float drum 14 is rotationally connected to the first housing 13 via a bearing, wherein the float drum 14 is fixedly connected to the outer ring of the bearing and the first housing 13 is fixedly connected to the inner ring of the bearing.
As shown in fig. 5 and 6, the inflatable member 3 includes a support plate 33, connecting tubes 34 disposed on both sides of the support plate 33, an air bag 35 disposed at the bottom of the support plate 33, and a compressed air tank 36; the connecting cylinder 34 is a cylindrical structure with a one-way opening, and the inner cavity of the connecting cylinder is connected with the air outlet of the compressed air tank 36;
the air cells 35 provided at the bottom of the support plate 33 are used to provide buoyancy to the inflatable member 3, and the air cells 35 may be used by being connected to a compressed air tank 36 for inflation or may be provided as permanently inflated air cells 35.
As shown in fig. 4, the floating body 2 comprises a bridge deck main body 21 and air-filled buoys 22 arranged on two sides of the bridge deck main body 21; one end of the floating body 2 is connected with the floating body reel 14, and the port of the end inflatable buoy 22 is of a closed structure; the other end of the floating body 2 is connected with the inflatable component 3, wherein the port of the inflatable buoy 22 at the other end is connected with the opening of the connecting cylinder 34 through the quick joint 31;
as shown in fig. 7 and 8, the second component 4 includes a second housing 43, a cable drum 41 disposed in the housing, and a power control box 42; the power control box 42 is a sealed box body fixedly arranged in the middle of an inner cavity of the second shell 43 and having waterproof capability, a controller 421, two second motors 422 and a storage battery 423 are arranged in the second shell 43, the controller 421 is electrically connected with the first motor 15, the two second motors 422 and the storage battery 423 respectively, the controller 421 is connected with external equipment in a wired or wireless mode, and the external equipment can send related control instructions to the controller 421;
the cable drums 41 are symmetrically arranged on two sides of the power control box 42 and are in transmission connection with the two second motors 422 respectively; the cable reel 41 is provided with a cable 44, and the cable 44 is connected to the first member 1 through a connection ring 37 provided on the connection cylinder 34.
The connecting ring 37 is in clearance fit with the cable 44, and the connecting ring 37 and the cable 44 are slidably connected with each other. The cable 44 is interconnected with the first member 1 by a detachable connection member such as a safety catch.
The first motor 15 rotates to drive the floating body winding drum 14, and indirectly drives the floating body 2 to roll up and store.
In one embodiment as shown in fig. 2, the outer sides of the first and second housings 13 and 43 are further provided with a handle frame 11 having a ring structure, wherein the handle frame 11 provided on the first housing 13 is provided with a narrow opening 12 in the extending direction of the floating body 2, and the floating body 2 passes through the narrow opening 12;
In one embodiment as shown in fig. 1, the first shell 13 and the second shell 43 are further provided with a connecting band 18, and a fastening connector 17 is provided at a free end of the connecting band 18. The fastening connecting piece 17 can be a snap fastener, a safety fastener, a rod piece which can be inserted into the ground for fixing, and all the components can be connected and fixed by the auxiliary connecting belt 18.
In one embodiment shown in fig. 1 and 5, the inflatable member 3 is further provided with a cover plate 32 for covering the seam at the joint of the inflatable member 3 and the floating body 2, so as to prevent the gap from tripping a pedestrian or preventing the foot of the pedestrian from being trapped and causing danger.
In one embodiment, as shown in fig. 4, the deck body 21 is made of a single piece of resilient rubber with honeycomb cavities inside. In another possible embodiment, the deck body 21 is formed by a plurality of interconnected lightweight link plates.
In one embodiment, a plurality of reinforcing rods 211 are further disposed in the bridge deck main body 21 along the central axis direction of the floating body drums 14, and two ends of each reinforcing rod 211 are spherical structures that are not easy to pierce through the bridge deck main body 21, so that the reinforcing rods 211 act to make the stress on the bridge deck more uniform, and people walking on the bridge deck will not topple over the bridge due to the concentrated stress.
In one embodiment as shown in fig. 4, the outer surface of the air float 22 is fixedly provided with a puncture-proof layer 222 made of poly (p-phenylene terephthalamide) fiber, so as to prevent sharp objects in the water from puncturing the air float 22.
In consideration of the conductivity of water, the electric appliance used in the present invention is preferably a type having a waterproof capability on the premise of satisfying the performance, and the electric interface should be subjected to waterproof treatment.
The portable puncture-proof floating bridge for wading auxiliary rescue is reasonable in structure and comprises a first part, a floating body, an inflating part and a second part, wherein the first part and the second part are connected with each other through a cable arranged on the second part; the novel wading rescue device is reasonable in structure, has the advantages of being simple in structure, convenient to use, convenient to carry, safe, reliable, strong in adaptability and the like, and effectively solves the problem that no applicable wading rescue equipment exists in special terrains in the rescue process.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a portable puncture-proof pontoon bridge for assisting rescue wades, characterized by: the floating body device comprises a first part (1), a floating body (2), an inflation part (3) and a second part (4), wherein the first part (1) comprises a first shell (13), a floating body winding drum (14) which is arranged in the inner cavity of the first shell (13) and has a hollow structure, and a first motor (15); one end of the floating body winding drum (14) is rotationally connected with the first shell (13), an inner gear ring (141) is arranged in an inner cavity at the other end of the floating body winding drum (14), and the inner gear ring (141) is in transmission connection with a first motor (15) fixed in the first shell (13) through a gear (16);
the inflatable component (3) comprises a support plate (33), connecting cylinders (34) arranged on two sides of the support plate (33), an air bag (35) arranged at the bottom of the support plate (33) and a compressed air tank (36); the connecting cylinder (34) is a cylindrical structure with a one-way opening, and the inner cavity of the connecting cylinder is connected with the air outlet of the compressed air tank (36);
the floating body (2) comprises a bridge deck main body (21) and inflatable buoys (22) arranged on two sides of the bridge deck main body (21); one end of the floating body (2) is connected with the floating body winding drum (14), and the port of the end inflatable buoy (22) is of a closed structure; the other end of the floating body (2) is connected with the inflatable component (3), wherein the port of the inflatable buoy (22) at the other end is connected with the opening of the connecting cylinder (34) through a quick joint (31);
the second component (4) comprises a second shell (43), a cable drum (41) arranged in the shell and a power control box (42); the power control box (42) is fixedly arranged in the middle of an inner cavity of the second shell (43), a controller (421), two second motors (422) and a storage battery (423) are arranged in the second shell (43), and the controller (421) is electrically connected with the first motor (15), the two second motors (422) and the storage battery (423) respectively;
the cable drums (41) are symmetrically arranged on two sides of the power control box (42) and are in transmission connection with the two second motors (422) respectively; a cable (44) is arranged on the cable drum (41), and the cable (44) penetrates through a connecting ring (37) arranged on the connecting drum (34) and then is connected with the first component (1);
the outer side surfaces of the first shell (13) and the second shell (43) are also provided with a handle frame (11) with an annular structure, wherein the handle frame (11) arranged on the first shell (13) is provided with a narrow opening (12) in the extending direction of the floating body (2), and the floating body (2) passes through the narrow opening (12);
the inflatable part (3) is also provided with a cover plate (32) for covering a seam at the joint of the inflatable part (3) and the floating body (2);
the bridge deck main body (21) is formed by mutually connecting an elastic rubber block with a honeycomb-shaped cavity inside or a plurality of mutually connected chain plates;
a plurality of reinforcing rod pieces (211) are further arranged in the bridge deck main body (21) along the central shaft direction of the floating body winding drum (14), and two ends of each reinforcing rod piece (211) are of spherical structures which are not easy to pierce through the bridge deck main body (21).
2. The portable puncture-proof pontoon for wading auxiliary rescue as claimed in claim 1, wherein: the first shell (13) and the second shell (43) are further provided with a connecting belt (18), and the free end of the connecting belt (18) is provided with a fastening connecting piece (17).
3. The portable puncture-proof pontoon for wading auxiliary rescue as claimed in claim 1, wherein: the outer surface of the inflatable buoy (22) is fixedly provided with a puncture-proof layer (222) made of poly-p-phenylene terephthamide fiber.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378496.0A CN109371810B (en) | 2018-11-19 | 2018-11-19 | Portable puncture-preventing floating bridge for wading auxiliary rescue |
| PCT/CN2018/118222 WO2020103180A1 (en) | 2018-11-19 | 2018-11-29 | Portable anti-puncture floating bridge for wading-assisted rescue |
| US16/223,079 US20200156744A1 (en) | 2018-11-19 | 2018-12-17 | Portable Puncture-proof Pontoon for Wading Auxiliary Rescue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378496.0A CN109371810B (en) | 2018-11-19 | 2018-11-19 | Portable puncture-preventing floating bridge for wading auxiliary rescue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109371810A CN109371810A (en) | 2019-02-22 |
| CN109371810B true CN109371810B (en) | 2021-03-05 |
Family
ID=65389655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811378496.0A Active CN109371810B (en) | 2018-11-19 | 2018-11-19 | Portable puncture-preventing floating bridge for wading auxiliary rescue |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20200156744A1 (en) |
| CN (1) | CN109371810B (en) |
| WO (1) | WO2020103180A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608068A (en) * | 2019-02-26 | 2020-09-01 | 广元市昭化区太子河家庭农场 | Floating bridge structure convenient to equipment |
| CN112681112B (en) * | 2020-12-30 | 2022-10-28 | 华北水利水电大学 | Rocket anchor injection floating bridge |
| CN113186802B (en) * | 2021-04-26 | 2022-07-15 | 中建二局土木工程集团有限公司 | Overwater floating bridge and construction method for stabilizing overwater floating bridge |
| CN113417221B (en) * | 2021-07-24 | 2022-12-27 | 山西中海威轨道交通工程有限公司 | First-aid device for bridge fracture |
| CN114475975A (en) * | 2022-01-22 | 2022-05-13 | 陈志平 | Urban building flood prevention and disaster prevention escape system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3258800A (en) * | 1964-08-17 | 1966-07-05 | Eli I Robinsky | Continuously extensible and roll-up structure |
| JPS4922740U (en) * | 1972-05-30 | 1974-02-26 | ||
| SE7607048L (en) * | 1976-06-18 | 1977-12-19 | Barracudaverken Ab | PNEUMATIC BRIDGE |
| GB2310237A (en) * | 1996-02-17 | 1997-08-20 | Jeffrey Ian Ayres | Portable inflatable walkway/bridge |
| DE102009054094A1 (en) * | 2009-11-12 | 2011-05-19 | Helmut Dufner | Auxiliary system, in particular for use in ice rescue |
| CN202017178U (en) * | 2011-01-15 | 2011-10-26 | 珠海天岳科技有限公司 | Floater and serial floating bridge using the same |
| CN204162990U (en) * | 2014-09-19 | 2015-02-18 | 江苏凸创科技开发有限公司 | The quick floating bridge device laying river |
| CN107401110A (en) * | 2017-09-14 | 2017-11-28 | 佛山市南海区昊森机械设备有限公司 | One kind rescue bridge |
| CN207775698U (en) * | 2017-12-29 | 2018-08-28 | 武汉科技大学 | A kind of portable air-inflating type pontoon bridge |
| CN108560397A (en) * | 2018-07-18 | 2018-09-21 | 王迅 | A kind of interim pontoon bridge |
| CN209482119U (en) * | 2018-11-19 | 2019-10-11 | 刘子铿 | A kind of portable anti-puncture pontoon bridge for auxiliary rescue of paddling |
-
2018
- 2018-11-19 CN CN201811378496.0A patent/CN109371810B/en active Active
- 2018-11-29 WO PCT/CN2018/118222 patent/WO2020103180A1/en active Application Filing
- 2018-12-17 US US16/223,079 patent/US20200156744A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20200156744A1 (en) | 2020-05-21 |
| CN109371810A (en) | 2019-02-22 |
| WO2020103180A1 (en) | 2020-05-28 |
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