CN112107814A - Unmanned aerial vehicle extinguishing device is used in ocean harbour conflagration - Google Patents
Unmanned aerial vehicle extinguishing device is used in ocean harbour conflagration Download PDFInfo
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- CN112107814A CN112107814A CN202010850391.1A CN202010850391A CN112107814A CN 112107814 A CN112107814 A CN 112107814A CN 202010850391 A CN202010850391 A CN 202010850391A CN 112107814 A CN112107814 A CN 112107814A
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- aerial vehicle
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 36
- 229910052742 iron Inorganic materials 0.000 description 18
- 230000000694 effects Effects 0.000 description 14
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
- A62C3/0242—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft by spraying extinguishants from the aircraft
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the field of port safety, in particular to an unmanned aerial vehicle fire extinguishing device for a marine port fire. Unmanned aerial vehicle extinguishing device includes the unmanned aerial vehicle body, the bottom fixedly connected with extension bar of unmanned aerial vehicle body, the bottom fixedly connected with switching piece of extension bar, double-end motor is installed to the top right part of switching piece, double-end motor's anterior output end fixedly connected with first lead screw, the circumference outer wall spiral shell of first lead screw is equipped with first pinch plate, double-end motor's rear portion output end fixedly connected with second lead screw, the circumference outer wall spiral shell of second lead screw is equipped with the second pinch plate, the equal fixedly connected with of right-hand member of the right-hand member of first pinch plate and second pinch plate presss from both sides tight piece, the bottom fixedly connected with cantilever plate of switching piece, two spacing axles of right part fixedly connected with of cantilever plate, the circumference outer wall of each spacing axle respectively with the left part of first pinch plate and slide connection around the right part of second pinch plate. The unmanned aerial vehicle fire extinguishing device is high in safety, stability and practicability.
Description
Technical Field
The invention relates to the field of port safety, in particular to an unmanned aerial vehicle fire extinguishing device for a marine port fire.
Background
Marine ports enable construction facilities to be set up on shore, which plays an important role in the convenience of transporting cargo at sea. When transporting goods, the phenomenon of fire can take place, and the current mode of putting out a fire adopts the manual work to remove the sprinkler head and put out a fire to the ignition source. If a fire disaster happens in a dangerous area, the manual fire extinguishing mode can cause the damage of personnel, and the safety is low. And current unmanned aerial vehicle is used for putting out a fire, receives the reverse impact force of rivers, can cause the influence to unmanned aerial vehicle's stability, and the practicality is lower.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the unmanned aerial vehicle fire extinguishing device for the ocean port fire, which has higher safety, higher stability and higher practicability.
(II) technical scheme
In order to achieve the purpose, the invention provides an unmanned aerial vehicle fire extinguishing device for a marine port fire, which comprises an unmanned aerial vehicle body, wherein an extension bar is fixedly connected to the bottom end of the unmanned aerial vehicle body, a transfer block is fixedly connected to the bottom end of the extension bar, a double-end motor is installed at the right part of the top end of the transfer block, a first lead screw is fixedly connected to the output end of the front part of the double-end motor, and a first clamping plate is screwed on the circumferential outer wall of the first lead screw; the output end of the rear part of the double-end motor is fixedly connected with a second screw rod, a second clamping plate is screwed on the circumferential outer wall of the second screw rod, the screw thread directions of the first screw rod and the second screw rod are opposite, and the right end of the first clamping plate and the right end of the second clamping plate are both fixedly connected with clamping blocks; the bottom end of the transfer block is fixedly connected with a cantilever plate, the right part of the cantilever plate is fixedly connected with two limiting shafts, the circumferential outer wall of each limiting shaft is respectively connected with the left part of the first clamping plate and the right part of the second clamping plate in a front-back sliding manner, the bottom end of the transfer block is fixedly connected with a supporting shaft, the circumferential outer wall of the supporting shaft is rotatably connected with a rotating plate, the bottom end of the supporting shaft is fixedly connected with a limiting boss, the right end of the rotating plate is fixedly connected with an electric push rod, and the output shaft end of the electric push rod is hinged with a push plate; the front end of the extension bar is fixedly connected with a water service pipe, the right end of the water service pipe is communicated with a spray head, and the left end of the water service pipe is communicated with a long pipe.
Preferably, the equal fixedly connected with extension plate of left end and right-hand member of unmanned aerial vehicle body, the equal fixedly connected with supporting seat of free end of each extension plate, each keep away from of supporting seat the equal fixedly connected with magnetite of one end of unmanned aerial vehicle body.
Preferably, each of the clamping blocks is of a half-cylinder type.
Preferably, the push plate is U-shaped.
Preferably, the circumference outer wall fixedly connected with multiunit lug of long tube, the lateral wall of long tube is provided with multiunit and connects the rope, each the circumference outer wall of connecting the rope all with the lateral wall fixed connection of lug.
Preferably, the connecting rope is a steel wire rope.
Preferably, the inner wall of each clamping block is fixedly connected with a non-slip mat.
Preferably, the inner wall of the push plate is fixedly connected with a wear-resisting plate.
(III) advantageous effects
Compared with the prior art, the unmanned aerial vehicle fire extinguishing device for the ocean port fire has the following beneficial effects:
the unmanned aerial vehicle fire extinguishing device for the ocean port fire disaster is characterized in that water is introduced into the spray head through the water through pipe, the spray head and the long pipe, then the water is sprayed out through the spray head to extinguish the fire, the first lead screw and the second lead screw are driven to rotate through the double-end motor, the first lead screw is matched with the first clamping plate, the second lead screw is matched with the second clamping plate to drive the first clamping plate and the second clamping plate to move, the screw thread spiral directions of the first lead screw and the second lead screw are opposite, the first clamping plate and the second clamping plate are close to each other or far away from each other, when the unmanned aerial vehicle body drives the first clamping plate and the second clamping plate to move to the iron rail near the fire area, the first clamping plate and the second clamping plate are driven to close to each other, the two clamping blocks are driven to clamp the iron rail, and the situation that the unmanned aerial vehicle shakes during fire extinguishing is reduced, after the electric push rod drives the push plate to be contacted with the iron rail, the output shaft of the electric push rod stretches and retracts, the push plate is contacted with the iron rail, the rotating plate and the supporting shaft are driven to rotate, the spray head is driven to rotate, the effect of adjusting the water spraying direction is achieved, and the effects of high safety, high stability and high practicability are achieved.
Drawings
Fig. 1 is a schematic structural view of a fire extinguishing apparatus of an unmanned aerial vehicle for a marine port fire according to an embodiment of the present invention.
Fig. 2 is a partially enlarged schematic structural view of the fire extinguishing apparatus a of the unmanned aerial vehicle for a marine harbor fire in fig. 1.
Fig. 3 is a schematic top view of a double-head motor, a second screw rod and a second clamping plate of the fire extinguishing apparatus for the unmanned aerial vehicle for the marine port fire according to one embodiment of the invention.
Fig. 4 is a schematic top view of a push plate and a wear plate of the unmanned aerial vehicle fire extinguishing apparatus for a marine harbor fire according to an embodiment of the present invention.
In the figure: 1. an unmanned aerial vehicle body; 2. lengthening a rod; 3. a transfer block; 4. a double-headed motor; 5. a first lead screw; 6. a first clamping plate; 7. a second lead screw; 8. a second clamping plate; 9. a clamping block; 10. a cantilever plate; 11. a limiting shaft; 12. a support shaft; 13. a rotating plate; 14. a limiting boss; 15. an electric push rod; 16. pushing the plate; 17. a water pipe; 18. a spray head; 19. a long tube; 20. a lengthening plate; 21. a supporting seat; 22. a magnet; 23. a bump; 24. connecting ropes; 25. a non-slip mat; 26. wear plates.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1-4, an unmanned aerial vehicle fire extinguishing apparatus for a marine port fire according to an embodiment of the present invention includes an unmanned aerial vehicle body 1, an extension bar 2 is fixedly connected to a bottom end of the unmanned aerial vehicle body 1, a transfer block 3 is fixedly connected to a bottom end of the extension bar 2, a double-head motor 4 is installed at a right portion of a top end of the transfer block 3, a first lead screw 5 is fixedly connected to an output end of a front portion of the double-head motor 4, a first clamping plate 6 is screwed to a circumferential outer wall of the first lead screw 5, a second lead screw 7 is fixedly connected to an output end of a rear portion of the double-head motor 4, a second clamping plate 8 is screwed to a circumferential outer wall of the second lead screw 7, screw directions of the first lead screw 5 and the second lead screw 7 are opposite, clamping blocks 9 are fixedly connected to a right end of the first clamping plate 6 and a; the situation that the clamping blocks 9 move left and right between the clamped iron railings is reduced through the shape of the half cylinder, the effect of further improving the use stability is achieved, the inner walls of the clamping blocks 9 are fixedly connected with anti-skid pads 25, and the anti-skid pads 25 are rubber pads; the anti-wear effect of the anti-skid pad 25 is good, the anti-wear pad replaces a clamping block 9 to be in contact with an iron rail, the use reliability is improved, a cantilever plate 10 is fixedly connected to the bottom end of the switching block 3, two limiting shafts 11 are fixedly connected to the right portion of the cantilever plate 10, the circumferential outer wall of each limiting shaft 11 is respectively in front-back sliding connection with the left portion of the first clamping plate 6 and the right portion of the second clamping plate 8, a supporting shaft 12 is fixedly connected to the bottom end of the switching block 3, a rotating plate 13 is rotatably connected to the circumferential outer wall of the supporting shaft 12, a limiting boss 14 is fixedly connected to the bottom end of the supporting shaft 12, an electric push rod 15 is fixedly connected to the right end of the rotating plate 13, a push plate 16; through the matching of the middle groove of the push plate 16 and the iron handrail in use, the effect of pushing the push plate 16 is further improved, the effect of further improving the use stability is achieved, the wear-resisting plate 26 is fixedly connected to the inner wall of the push plate 16, the wear-resisting plate 26 is an iron plate, the contact between the push plate 16 and the iron handrail is replaced, the wear of the push plate 16 is reduced, and the effect of further improving the use reliability is achieved, the front end of the extension bar 2 is fixedly connected with the water service pipe 17, the right end of the water service pipe 17 is communicated with the spray head 18, the left end of the water service pipe 17 is communicated with the long pipe 19, the left end and the right end of the unmanned aerial vehicle body 1 are both fixedly connected with the extension plate 20, the free end of each extension plate 20 is both fixedly connected with the; when the unmanned aerial vehicle is higher, the iron railings are arranged around the railings, the magnets 22 can be used for clinging to the railings, the shaking condition of the unmanned aerial vehicle body 1 and the spray head 18 is further reduced, and the effect of further improving the use stability is achieved; the lug 23 is matched with the connecting rope 24, so that the strength of the long pipe 19 is improved, the damage of the deformed long pipe 19 after being impacted by other objects is reduced, and the effect of further improving the use stability is achieved, wherein the connecting rope 24 is a steel wire rope; the steel wire rope has good strength, the condition that the connecting rope 24 is broken is reduced, and the effect of improving the use reliability is achieved; water is introduced into the spray head 18 through the water pipe 17, the spray head 18 and the long pipe 19, then the water is sprayed out through the spray head 18 to extinguish a fire, the double-head motor 4 drives the first screw rod 5 and the second screw rod 7 to rotate, the first screw rod 5 is matched with the first clamping plate 6, the second screw rod 7 is matched with the second clamping plate 8 to further drive the first clamping plate 6 and the second clamping plate 8 to move, the screw thread directions of the first screw rod 5 and the second screw rod 7 are opposite, further the first clamping plate 6 and the second clamping plate 8 are close to each other or far away from each other, when the unmanned aerial vehicle body 1 drives the first clamping plate 6 and the second clamping plate 8 to move to an iron railing near a fire area, the first clamping plate 6 and the second clamping plate 8 are driven to mutually close to further drive the two clamping blocks 9 to clamp the iron railing, and the condition of shaking of the unmanned aerial vehicle during fire extinguishment is reduced, after the electric push rod 15 drives the push plate 16 to contact with the iron rail, the output shaft of the electric push rod 15 stretches and retracts, the push plate 16 contacts with the iron rail, the rotating plate 13 and the supporting shaft 12 are driven to rotate, the spray head 18 is driven to rotate, the effect of adjusting the water spraying direction is achieved, and the effects of high safety, high stability and high practicability are achieved.
In conclusion, the working principle and the working process of the unmanned aerial vehicle fire extinguishing device for the ocean port fire are that when the unmanned aerial vehicle fire extinguishing device is used, firstly, a user leads water into the spray head 18 through the water through pipe 17, the spray head 18 and the long pipe 19, then the water is sprayed out through the spray head 18, the user starts the double-end motor 4 to drive the first screw rod 5 and the second screw rod 7 to rotate, the first screw rod 5 is matched with the first clamping plate 6, the second screw rod 7 is matched with the second clamping plate 8, the first clamping plate 6 and the second clamping plate 8 are driven to move, the screw thread directions of the first screw rod 5 and the second screw rod 7 are opposite, the first clamping plate 6 and the second clamping plate 8 are further close to or away from each other, when the unmanned aerial vehicle body 1 drives the first clamping plate 6 and the second clamping plate 8 to move to the iron rail near the fire area, the first clamping plate 6 and the second clamping plate 8 are driven to close to each other, and then drive two clamp block 9 and clip the iron handrail, reduce the condition that unmanned aerial vehicle rocked when putting out a fire to drive push pedal 16 and iron handrail contact back through electric putter 15, stretch out and draw back through electric putter 15's output shaft, and through push pedal 16 and iron handrail contact, and then drive and rotate between rotor plate 13 and the back shaft 12, and then drive shower nozzle 18 and rotate, reach the effect of adjusting the water spray direction.
The double-end motor 4 is a device which is directly purchased from the market and is known by technical personnel in the field, wherein the double-end motor 4 is 57ZL76-B-4-D in model number, is only used here, and is not structurally and functionally improved, and is not described in detail herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an unmanned aerial vehicle extinguishing device is used to ocean harbour conflagration, includes unmanned aerial vehicle body (1), its characterized in that: the bottom end of the unmanned aerial vehicle body (1) is fixedly connected with an extension bar (2), the bottom end of the extension bar (2) is fixedly connected with a transfer block (3), a double-end motor (4) is installed at the right part of the top end of the transfer block (3), the front output end of the double-end motor (4) is fixedly connected with a first lead screw (5), and a first clamping plate (6) is screwed on the outer wall of the circumference of the first lead screw (5); a second screw rod (7) is fixedly connected to the rear output end of the double-end motor (4), a second clamping plate (8) is screwed on the circumferential outer wall of the second screw rod (7), the screw thread directions of the first screw rod (5) and the second screw rod (7) are opposite, and a clamping block (9) is fixedly connected to the right end of the first clamping plate (6) and the right end of the second clamping plate (8); a cantilever plate (10) is fixedly connected to the bottom end of the transfer block (3), two limiting shafts (11) are fixedly connected to the right portion of the cantilever plate (10), the circumferential outer wall of each limiting shaft (11) is respectively connected with the left portion of the first clamping plate (6) and the right portion of the second clamping plate (8) in a front-back sliding manner, a supporting shaft (12) is fixedly connected to the bottom end of the transfer block (3), a rotating plate (13) is rotatably connected to the circumferential outer wall of the supporting shaft (12), a limiting boss (14) is fixedly connected to the bottom end of the supporting shaft (12), an electric push rod (15) is fixedly connected to the right end of the rotating plate (13), and a push plate (16) is hinged to the output shaft end of the electric push rod (15); the front end of the extension bar (2) is fixedly connected with a water pipe (17), the right end of the water pipe (17) is communicated with a spray head (18), and the left end of the water pipe (17) is communicated with a long pipe (19).
2. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 1, wherein: the utility model discloses an unmanned aerial vehicle body (1) is including unmanned aerial vehicle body's the equal fixedly connected with extension board of left end and right-hand member (20), the equal fixedly connected with supporting seat (21) of the free end of each extension board (20), each keep away from of supporting seat (21) the equal fixedly connected with magnetite (22) of one end of unmanned aerial vehicle body (1).
3. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 2, wherein: each clamping block (9) is in a half-cylinder shape.
4. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 3, wherein: the push plate (16) is U-shaped.
5. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 4, wherein: the circumference outer wall fixedly connected with multiunit lug (23) of long tube (19), the lateral wall of long tube (19) is provided with multiunit and connects rope (24), each the circumference outer wall of connecting rope (24) all with the lateral wall fixed connection of lug (23).
6. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 5, wherein: the connecting rope (24) is a steel wire rope.
7. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 6, wherein: the inner wall of each clamping block (9) is fixedly connected with an anti-skid pad (25).
8. The fire extinguishing apparatus of unmanned aerial vehicle for marine port fire as claimed in claim 7, wherein: and the inner wall of the push plate (16) is fixedly connected with a wear-resisting plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850391.1A CN112107814B (en) | 2020-08-21 | 2020-08-21 | Unmanned aerial vehicle extinguishing device is used in ocean harbour conflagration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850391.1A CN112107814B (en) | 2020-08-21 | 2020-08-21 | Unmanned aerial vehicle extinguishing device is used in ocean harbour conflagration |
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| CN112107814A true CN112107814A (en) | 2020-12-22 |
| CN112107814B CN112107814B (en) | 2022-01-28 |
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| CN206852954U (en) * | 2017-05-27 | 2018-01-09 | 天津镒安津诚科技有限公司 | A kind of unmanned plane extinguishing device |
| CN107235147A (en) * | 2017-07-18 | 2017-10-10 | 深圳市雷凌广通技术研发有限公司 | It is a kind of to improve the unmanned plane of fire-fighting efficiency for tall-building fire fighting |
| CN107469255A (en) * | 2017-08-31 | 2017-12-15 | 孟庆仕 | A kind of high altitude firefighting firefighting robot |
| CN207765928U (en) * | 2018-02-24 | 2018-08-24 | 山东澳驰电力器材有限公司 | A kind of CFRP carbons threaded cable protection pipe |
| CN209479988U (en) * | 2018-10-26 | 2019-10-11 | 桂林系留航空科技有限公司 | It is a kind of to be tethered at unmanned plane for fire-fighting relayed communications |
| CN209392640U (en) * | 2018-11-23 | 2019-09-17 | 长安大学 | A kind of dry-chemical fire extinguishing bassinet structure |
| CN209719934U (en) * | 2018-12-22 | 2019-12-03 | 尚良仲毅(沈阳)高新科技有限公司 | A kind of unmanned machine equipment of Novel firefighting |
| CN209634729U (en) * | 2019-01-31 | 2019-11-15 | 蔡济众 | Unmanned plane is used in a kind of fire extinguishing of skyscraper |
| CN110294112A (en) * | 2019-05-30 | 2019-10-01 | 温州大学 | Folding storage formula ring claps four-axle aircraft, control method and a fire extinguishing group of planes |
| CN210997541U (en) * | 2019-07-09 | 2020-07-14 | 江苏京龙工程机械有限公司 | Positioning device convenient to adjust for steel pipe cutting |
| CN210297119U (en) * | 2019-07-19 | 2020-04-10 | 江苏远通塑胶制品有限公司 | Improved plastic pipe for protecting cable |
| CN211193005U (en) * | 2019-12-18 | 2020-08-07 | 南陵金鲁机械制造有限公司 | Pipe fitting clamping device |
| CN111228681A (en) * | 2020-01-13 | 2020-06-05 | 陈春霞 | Fire extinguishing system |
| CN111265798A (en) * | 2020-03-26 | 2020-06-12 | 长春师范大学 | High-rise building extinguishing device based on unmanned aerial vehicle |
| CN212637908U (en) * | 2020-08-05 | 2021-03-02 | 联特(福建)智能装备有限公司 | High-rise fire control is put out a fire with unmanned aerial vehicle of being convenient for change former feed tank of putting out a fire |
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| CN112107814B (en) | 2022-01-28 |
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