CN107773869B - Helicopter-mounted fire-fighting two-dimensional high-pressure nozzle - Google Patents

Helicopter-mounted fire-fighting two-dimensional high-pressure nozzle Download PDF

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Publication number
CN107773869B
CN107773869B CN201710888348.2A CN201710888348A CN107773869B CN 107773869 B CN107773869 B CN 107773869B CN 201710888348 A CN201710888348 A CN 201710888348A CN 107773869 B CN107773869 B CN 107773869B
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China
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dimensional
stage
helicopter
fire
rotating shaft
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CN201710888348.2A
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CN107773869A (en
Inventor
吴传平
马建超
周特军
李楷
王芳
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Hunan Xiangdian Electric Power Text & Research Co., Ltd.
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Xiang-Electric Experiment And Research Technology Co Of Hunan Province
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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0228Fire 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
    • A62C3/0242Fire 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
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing

Abstract

The invention provides a helicopter-mounted fire-fighting two-dimensional high-pressure nozzle which is used for solving the problem of inconvenience in remote fire extinguishing in the prior art and comprises a primary fixing frame, a secondary action frame and a nozzle assembly, wherein the primary fixing frame is fixedly arranged outside a helicopter and is connected with the secondary action frame; the invention realizes two-dimensional accurate control on smaller size and weight, and improves the low-altitude small-flow fire extinguishing precision and efficiency; compared with the traditional photoelectric pod turret type structure, the photoelectric pod turret type structure has the advantages that the external rotation space is large, a longer spray pipe can be loaded, and meanwhile, the structure cost is reduced; the invention is mainly carried on an unmanned helicopter, under the control of a remote operator on a low-altitude flight carrying platform, target information is acquired by an airborne photoelectric sensor, and a small-flow high-efficiency fire extinguishing agent is sprayed by the device for real-time fire fighting and rescue.

Description

Helicopter-mounted fire-fighting two-dimensional high-pressure nozzle
Technical Field
The invention relates to the technical field of fire fighting, in particular to a helicopter-mounted fire fighting two-dimensional high-pressure nozzle.
Background
At present, fire fighting of important infrastructures in China faces increasingly complex fire fighting and rescue situations, and limitations of traditional field detection means and ground fire fighting are increasingly prominent. The power transmission line generally spans the forest and other zones, and due to the influence of factors such as natural growth of trees, natural environment, geographical geology, climate and the like, accidents caused by the fact that branches collide with and press down wires are frequent, and power grid fire accidents caused by the accidents cause huge economic losses to production, life and the like of the nation.
How to effectively implement fire-fighting early warning and on-site detection and quickly and accurately deal with the disaster is very important. With the mature application of unmanned aerial vehicle application technology and system solutions in China, the unmanned reconnaissance platform combines video, infrared and other monitoring and airborne fire-fighting equipment, and carries out fire hazard patrol, on-site rescue command, fire detection and prevention and control on complex terrains and complex-structure buildings in the air to become a new choice for fire-fighting troops, and the demand of the fire-fighting unmanned aerial vehicle with low-altitude and low-flow fire-fighting technology is particularly urgent.
Adopt low latitude flight carrying platform in low latitude low discharge fire control unmanned aerial vehicle, dispose transmission line mountain fire observation device, high water pressure generating device, water agent box of putting out a fire, two-dimentional high pressure shower nozzle. Through remote control personnel to the control of low-altitude flight carrying platform, reach the mountain fire scene fast and put out a fire, overcome the restriction of current extinguishing device under complicated topographic condition, acquire the long-range ground surface of target information cooperation through airborne photoelectric sensor and control, can spray liquid working medium to the appointed area from aerial long-range fixed point, combine the special fire extinguishing agent of efficient to realize that low-altitude low discharge puts out a fire fast.
Disclosure of Invention
The invention provides a helicopter-mounted fire-fighting two-dimensional high-pressure nozzle, which solves the problem of inconvenience in remote fire extinguishment in the prior art.
The technical scheme of the invention is realized as follows:
the utility model provides a helicopter carries fire control two dimension high pressure nozzle, includes one-level mount, second grade action frame and nozzle assembly, and the fixed outside that sets up at the helicopter of one-level mount, one-level mount are connected with the second grade action frame, and the second grade action frame is connected with the nozzle assembly.
The one-level mount includes two-dimentional bottom plate, two-dimentional upper plate and two-dimentional mesochite, is provided with the one-level pivot between two-dimentional bottom plate and the two-dimentional upper plate, is provided with the one-level rocking arm in the one-level pivot, is provided with the flange bearing on the two-dimentional bottom plate, and the upper end of one-level pivot is located the flange bearing, is provided with the steering wheel installed part on the two-dimentional mesochite, and the steering wheel installed part.
The second-stage action frame comprises a second-stage middle shell, a second-stage rocker arm, a second-stage rotating shaft and an action head, the right part of the first-stage rotating shaft is connected with the second-stage middle shell, the second-stage rotating shaft is arranged in the second-stage middle shell, the second-stage rocker arm is arranged on the second-stage rotating shaft, the action head is arranged on the lower part of the second-stage rotating shaft, a servo steering engine II is arranged on the outer side of the second-stage middle shell, and.
The lower part of the first-stage rotating shaft is connected with the second-stage middle shell.
The spray pipe assembly comprises a hard long spray pipe and a high-pressure spray nozzle, the hard long spray pipe is connected with the fire-fighting water pump through a hose, the hard long spray pipe is connected with the high-pressure spray nozzle through a spray nozzle interface, the high-pressure spray nozzle comprises a pressurizing section, a throat and a nozzle, the pressurizing section and the nozzle are both conical, and the two sides of the throat are respectively connected with the thinner ends of the pressurizing section and the nozzle.
The hard long spray pipe penetrates through the connecting hole of the action head.
The primary fixing frame is fixed on the helicopter and drives the secondary action frame to do pitching motion through the primary rotating shaft; the secondary action frame drives the spray pipe assembly to move in multiple angles through a secondary rotating shaft; the spray pipe assembly is responsible for realizing the conveying of liquid and the pressurization and acceleration of the spray head; the servo steering engine I drives the primary rocker arm to rotate, drives the primary rotating shaft to rotate, and performs pitching adjustment on the secondary action frame; the servo steering engine II drives the secondary rocker arm to rotate to drive the secondary rotating shaft to rotate, and the position of the action head is adjusted, so that the hard long spray pipe and the high-pressure spray head are adjusted to a proper water outlet angle; according to the invention, a control signal of the two-dimensional spray head is transmitted to the unmanned helicopter flight controller through the onboard link by the remote ground control station and then output to the servo steering engine I and the servo steering engine II, and the control channel is independent from the flight path and attitude stabilization channel of the unmanned helicopter, so that the flight safety of the unmanned helicopter is not influenced.
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 front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of a high pressure showerhead of the present invention;
FIG. 5 is an isometric view of the present invention;
FIG. 6 is a schematic illustration of the present invention mounted on a helicopter;
FIG. 7 is a front view of the primary mount of the present invention;
FIG. 8 is a cross-sectional view of a primary mount of the present invention;
FIG. 9 is an isometric view of a primary mount of the present invention;
FIG. 10 is a front view of the secondary motion frame of the present invention;
FIG. 11 is a cross-sectional view of a secondary motion frame of the present invention;
fig. 12 is an isometric view of a secondary motion frame of the present invention.
In the figure: 1. the device comprises a two-dimensional bottom plate 2, a two-dimensional upper plate 3, a two-dimensional middle shell 4, a first-stage rocker arm 5, a first-stage rotating shaft 6, a servo steering engine II 7, a second-stage middle shell 8, a second-stage rocker arm 9, a second-stage rotating shaft 10, an action head 11, a high-pressure nozzle 12, a servo steering engine I13, a hard long spray pipe 15, a flange bearing 17, a nozzle connector 18, a hose 19, a pressurizing section 20, a throat 21, a nozzle 22 and a steering engine mounting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
As shown in fig. 1-6, a helicopter carries fire control two dimension high pressure nozzle, including one-level mount, second grade action frame and nozzle assembly, the fixed outside that sets up at the helicopter of one-level mount, one-level mount are connected with the second grade action frame, and the second grade action frame is connected with the nozzle assembly.
The primary fixing frame is fixed on the helicopter through bolts and can bear the vibration environment of the helicopter.
Example 2
As shown in fig. 1-9, a helicopter carries fire control two dimension high pressure nozzle, including one-level mount, second grade action frame and nozzle assembly, the fixed outside that sets up at the helicopter of one-level mount, one-level mount are connected with the second grade action frame, and the second grade action frame is connected with the nozzle assembly.
The one-level mount includes two-dimensional bottom plate 1, two-dimensional upper plate 2 and two-dimensional mesochite 3, is provided with one-level pivot 5 between two-dimensional bottom plate 1 and the two-dimensional upper plate 2, is provided with one-level rocking arm 4 on the one-level pivot 5, is provided with flange bearing 15 on the two-dimensional bottom plate 1, and the upper end of one-level pivot 5 is located flange bearing 15, is provided with steering wheel installed part 22 on the two-dimensional mesochite 3, and steering wheel installed part 22 is connected with servo steering wheel I12, and servo steering wheel I12 connects.
The servo steering engine I12 drives the primary rocker arm 4 to drive the primary rotating shaft 5 to rotate, and the angle of the secondary action frame connected with the primary rotating shaft 5 is adjusted.
Example 3
As shown in fig. 1-6 and 10-12, a helicopter-mounted fire-fighting two-dimensional high-pressure nozzle comprises a primary fixing frame, a secondary action frame and a nozzle component, wherein the primary fixing frame is fixedly arranged outside the helicopter, the primary fixing frame is connected with the secondary action frame, and the secondary action frame is connected with the nozzle component.
The second grade action frame includes second grade mesochite 7, second grade rocking arm 8, second grade pivot 9 and action head 10, second grade mesochite 7 is connected to the right part of one-level pivot 5, is provided with second grade pivot 9 in the second grade mesochite 7, is provided with second grade rocking arm 8 on the second grade pivot 9, and the lower part of second grade pivot 9 is provided with action head 10, and the outside of second grade mesochite 7 is provided with servo steering wheel II6, and servo steering wheel II6 connects second grade rocking arm 8.
The servo steering engine II6 is used for driving the secondary rocker arm 8 to drive the secondary rotating shaft 9 to rotate, and the angle of the action head 10 connected with the secondary rotating shaft 9 is adjusted.
Example 4
As shown in fig. 1-12, a helicopter carries fire control two dimension high pressure nozzle, includes one-level mount, second grade action frame and nozzle assembly, and the one-level mount is fixed to be set up in the outside of helicopter, and the one-level mount is connected with the second grade action frame, and the second grade action frame is connected with the nozzle assembly.
The one-level mount includes two-dimensional bottom plate 1, two-dimensional upper plate 2 and two-dimensional mesochite 3, is provided with one-level pivot 5 between two-dimensional bottom plate 1 and the two-dimensional upper plate 2, is provided with one-level rocking arm 4 on the one-level pivot 5, is provided with flange bearing 15 on the two-dimensional bottom plate 1, and the upper end of one-level pivot 5 is located flange bearing 15, is provided with steering wheel installed part 22 on the two-dimensional mesochite 3, and steering wheel installed part 22 is connected with servo steering wheel I12, and servo steering wheel I12 connects.
The second grade action frame includes second grade mesochite 7, second grade rocking arm 8, second grade pivot 9 and action head 10, second grade mesochite 7 is connected to the right part of one-level pivot 5, is provided with second grade pivot 9 in the second grade mesochite 7, is provided with second grade rocking arm 8 on the second grade pivot 9, and the lower part of second grade pivot 9 is provided with action head 10, and the outside of second grade mesochite 7 is provided with servo steering wheel II6, and servo steering wheel II6 connects second grade rocking arm 8.
The spray pipe assembly comprises a hard long spray pipe 13 and a high-pressure spray head 11, the hard long spray pipe 13 is connected with a fire-fighting water pump through a hose 18, the hard long spray pipe 13 is connected with the high-pressure spray head 11 through a spray head connector 17, the high-pressure spray head 11 comprises a pressurizing section 19, a throat 20 and a nozzle 21, the pressurizing section 19 and the nozzle 21 are both conical, two sides of the throat 20 are respectively connected with the thinner ends of the pressurizing section 19 and the nozzle 21, the fire-fighting water pump conveys liquid working media to the high-pressure spray head 11, the liquid is further increased in pressure and lifting speed in the pressurizing section 19 and is sprayed out at the throat 20 at the maximum speed, the stability of a fluid boundary layer is maintained through the nozzle 21, the divergence; the hard long spray pipe 13 has enough length, so that the high-pressure spray head can extend out of a region with stronger downward washing flow of a helicopter rotor wing, and the stability of jet flow is ensured.
The connection mode of the first-stage fixing frame and the second-stage action frame is as follows: the lower part of the first-stage rotating shaft 5 is connected with a second-stage middle shell 7, so that the second-stage middle shell on the second-stage action frame can rotate correspondingly when the first-stage rotating shaft 5 rotates; the connection mode of the secondary action frame and the spray pipe assembly is as follows: the hard long spray pipe 13 penetrates through the connecting hole of the action head 10, so that the hard long spray pipe 13 can rotate along with the second-stage middle shell and the second-stage rotating shaft 9, and multi-directional adjustment of the water outlet angle is realized.
The invention realizes two-dimensional accurate control on smaller size and weight, and improves the low-altitude small-flow fire extinguishing precision and efficiency; compared with the traditional photoelectric pod turret type structure, the photoelectric pod turret type structure has the advantages that the external rotation space is large, a longer spray pipe can be loaded, and meanwhile, the structure cost is reduced; the invention is mainly carried on an unmanned helicopter, under the control of a remote operator on a low-altitude flight carrying platform, target information is obtained by an airborne photoelectric sensor, and a small-flow high-efficiency fire extinguishing agent is sprayed by the device for real-time fire fighting and rescue; the device has the capability of two-dimensional real-time accurate adjustment of a pitch axis and an azimuth axis, can spray liquid working media to a specified area from the air at a long distance at a fixed point, and overcomes the application limit of the conventional ground fire extinguishing device under the condition of complex terrain; the device has fused mounting base, servo control, high pressure nozzle complete set subassembly, forms an independent whole, and the installation of being convenient for, allotment reduce weight and size to minimumly, have promoted precision and the efficiency that low latitude low discharge was put out a fire.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. The utility model provides a helicopter carries fire control two dimension high pressure nozzle which characterized in that: the helicopter comprises a primary fixing frame, a secondary action frame and a spray pipe assembly, wherein the primary fixing frame is fixedly arranged outside the helicopter and is connected with the secondary action frame;
the one-level fixing frame comprises a two-dimensional bottom plate (1), a two-dimensional upper plate (2) and a two-dimensional middle shell (3), a one-level rotating shaft (5) is arranged between the two-dimensional bottom plate (1) and the two-dimensional upper plate (2), a one-level rocker arm (4) is arranged on the one-level rotating shaft (5), a flange bearing (15) is arranged on the two-dimensional bottom plate (1), one end of the one-level rotating shaft (5) is located in the flange bearing (15), a steering engine mounting piece (22) is arranged on the two-dimensional middle shell (3), the steering engine mounting piece (22) is connected with a servo steering engine I (12), and the servo steering.
2. The helicopter-mounted fire-fighting two-dimensional high-pressure nozzle as claimed in claim 1, wherein: the second-stage action frame comprises a second-stage middle shell (7), a second-stage rocker arm (8), a second-stage rotating shaft (9) and an action head (10), the right part of the first-stage rotating shaft (5) is connected with the second-stage middle shell (7), the second-stage rotating shaft (9) is arranged in the second-stage middle shell (7), the second-stage rocker arm (8) is arranged on the second-stage rotating shaft (9), the action head (10) is arranged on the lower part of the second-stage rotating shaft (9), a servo steering engine II (6) is arranged on the outer side of the second-stage middle shell (7), and the servo steering engine.
3. The two-dimensional high-pressure sprinkler head for helicopter-mounted fire protection according to claim 1 or 2, characterized in that: the spray pipe assembly comprises a hard long spray pipe (13) and a high-pressure spray head (11), the hard long spray pipe (13) is connected with a fire pump through a hose (18), the hard long spray pipe (13) is connected with the high-pressure spray head (11) through a spray head connector (17), the high-pressure spray head (11) comprises a pressurizing section (19), a throat (20) and a nozzle (21), the pressurizing section (19) and the nozzle (21) are conical, and the two sides of the throat (20) are respectively connected with the thinner ends of the pressurizing section (19) and the nozzle (21).
4. The helicopter-mounted fire-fighting two-dimensional high-pressure nozzle as claimed in claim 3, wherein: the hard long spray pipe (13) penetrates through a connecting hole of the action head (10).
CN201710888348.2A 2017-09-27 2017-09-27 Helicopter-mounted fire-fighting two-dimensional high-pressure nozzle Active CN107773869B (en)

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Application Number Priority Date Filing Date Title
CN201710888348.2A CN107773869B (en) 2017-09-27 2017-09-27 Helicopter-mounted fire-fighting two-dimensional high-pressure nozzle

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Application Number Priority Date Filing Date Title
CN201710888348.2A CN107773869B (en) 2017-09-27 2017-09-27 Helicopter-mounted fire-fighting two-dimensional high-pressure nozzle

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CN107773869B true CN107773869B (en) 2020-04-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2100232U (en) * 1991-06-25 1992-04-01 马明星 Gas jet-pipe of dry powder fire extinguisher
NZ569303A (en) * 2005-11-30 2011-04-29 Mack Innovations Australia Pty Ltd Water lance assembly for use on a helicopter or tower
US20090126951A1 (en) * 2007-11-15 2009-05-21 Won Wook Baek How to control forest fires through the use of fire-fighting helicopters
CN202170018U (en) * 2011-07-15 2012-03-21 东华大学 Small-sized perpendicular taking off and landing unmanned plane for monitoring and fire fighting
CN203714179U (en) * 2014-01-26 2014-07-16 王爱新 Fire extinguishing helicopter
CN204452939U (en) * 2015-02-12 2015-07-08 马鞍山市赛迪智能科技有限公司 A kind of Anti-collision fixed point fire-fighting unmanned plane
CN105857613B (en) * 2016-03-31 2017-12-19 北京中科遥数信息技术有限公司 A kind of brainpower insufflation unmanned plane for being used for agricultural

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Effective date of registration: 20191108

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Effective date of registration: 20191108

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