CN104548418A - Rotary forest fire-fighting bomb delivery device - Google Patents
Rotary forest fire-fighting bomb delivery device Download PDFInfo
- Publication number
- CN104548418A CN104548418A CN201510030118.3A CN201510030118A CN104548418A CN 104548418 A CN104548418 A CN 104548418A CN 201510030118 A CN201510030118 A CN 201510030118A CN 104548418 A CN104548418 A CN 104548418A
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- Prior art keywords
- worm
- bomb
- rolling bearing
- fire extinguishing
- wheel shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 27
- 239000000725 suspension Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 12
- 230000033001 locomotion Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 241000282470 Canis latrans Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008520 organization Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
Abstract
The invention aims at providing a rotary forest fire-fighting bomb delivery device. After a control mechanism transmits an instruction, a signal is transmitted by the control mechanism and is transmitted to a rotating motor, the rotating motor is started, an output shaft is driven to rotate, a worm on the output shaft moves along with the shaft together by virtue of keying fit, the rotary motion is transmitted to a worm gear by virtue of the worm, a worm-wheel shaft matched with the worm gear is driven to rotate, a traction rope groove in the middle of the worm-wheel shaft rotates along with the worm-wheel shaft, and when the opening of the traction rope groove deviates from the vertical position to form an angle, a traction rope ring of a fire-fighting bomb component deviates from the traction rope groove under the gravity action of the bomb component, and the bomb component and a lifting disc drop together so as to finish the delivery action. According to the device disclosed by the invention, the traction rope ring is tightly attached into the traction rope groove in the middle of the worm-wheel shaft, the bomb component is stably and safely pulled, the delivery action still can be smoothly finished in the existence of the large-load bomb component, and the aim of smoothly delivering a bomb is achieved.
Description
Technical field
What the present invention relates to is a kind of extinguishing device, the specifically delivery device of forest fire extinguishing apparatus.
Background technology
Forest fire is a kind of worldwide natural calamity seriously, immeasurable loss is caused to the resources and environment of the mankind, but along with the progress of mankind's science and technology, this advanced person's of helicopter, have and in the field of forest fire protection, fire extinguishing, just playing more and more important effect compared with the means of transport of large bearing capacity.At present, at home and abroad, primarily of fixed wing aircraft or helicopter, extinguishing chemical is carried for fighting forest crown fire or water sprays from high-altitude.The ascending air strong due to overhead, the scene of a fire and turbulent flow impact, extinguishing chemical is dispersed by strong high-temperature air-flow, and the extinguishing chemical fallen on tree crown is little, and extinguishing effect is also bad, and the appearance of forest fire extinguishing bomb overcomes above-mentioned shortcoming.Therefore, use aircraft input forest fire extinguishing bomb to carry out forest extinguishing and there is important application prospect.
For reaching better extinguishing effect, need as much as possible forest fire extinguishing bomb accurately to be thrown within the forest scene of a fire.There is due to helicopter the features such as landing conditional request is low, load large, maneuverability, be equipped on forest extinguishing First Line more and more at present.Therefore, need to design a kind of fire extinguishing bomb delivery device being suitable for helicopter.
Helicopter carry bomb adopts a kind of modularization idea, straight eight helicopters are Medium Helicopters of a domestic product, be that maximum machine is equipped by forest fire protection department, have now and be a kind ofly applied to the special intelligent forest fire extinguishing bomb trailed model delivery device of straight eight helicopters.This device is in bomb distracted position, adopt pull rope by the effect of hanging bar, therefore all wt that bar assume responsibility for bomb group is hung, simultaneously this part power is complete has again been applied to each junction of throwing mechanism, cause junction, throwing mechanism each local frictional force excessive, be easy to have influence on bomb and throw in carrying out smoothly of action, controlling organization and input mode will be faced in launch process can meet forest fire extinguishing bomb and throw in the problem required, so can be smooth in order to ensure forest fire extinguishing bomb, accurately, complete input task efficiently, just need to draw bomb, throwing mechanism makes some structural optimal design, to reach simple, efficiently complete the requirement of input task.
Summary of the invention
The object of the present invention is to provide the rotary delivery device of the forest fire extinguishing bomb being applied to helicopter.
The object of the present invention is achieved like this:
The rotary delivery device of forest fire extinguishing bomb of the present invention, it is characterized in that: comprise input unit, throw in unit comprise protection guide cylinder that two horizontal welding plates and two longitudinal welding plates be connected to form and rotate throwing mechanism and fire extinguishing bomb assembly, be parallel to each other between two horizontal welding plates, be parallel to each other between two longitudinal welding plates, arc weld tabs is fixed with in protection guide cylinder, arc weld tabs and two horizontal welding plates and two longitudinal welding plates form round rectangle spaces, fire extinguishing bomb assembly comprises upper strata lifting dish, lower floor's lifting dish, suspension rod, fire extinguishing bomb, lifting dish in upper strata is arranged up and down with lower floor lifting dish and is all connected with suspension rod, the double layers of accommodating mechanism of composition for placing fire extinguishing bomb, suspension ring are fixed in suspension rod upper end, suspension ring are installed traction becket bridle, rotate throwing mechanism and comprise left tray, right bracket, first electric rotating machine, first worm gear, first worm screw, worm-wheel shaft, left tray and right bracket are all fixed between two horizontal welding plates, first electric rotating machine is arranged on left tray, left tray installs the first rolling bearing by clutch shaft bearing seat, right bracket installs the second rolling bearing by the second bearing block, first electric rotating machine connects the first worm screw, first worm screw is arranged on clutch shaft bearing seat and the second bearing block by the first rolling bearing and the second rolling bearing, two horizontal welding plates install the 3rd rolling bearing and the 4th rolling bearing respectively by the 3rd bearing block and the 4th bearing block, worm-wheel shaft is arranged on the 3rd bearing block and the 4th bearing block by the 3rd rolling bearing and the 4th rolling bearing, worm-wheel shaft is fixed with the first worm gear, first worm gear matches with the first worm screw, worm-wheel shaft is arranged traction grooving, traction becket bridle is arranged on traction grooving, traction grooving is arranged and rotates with worm-wheel shaft the opening making to draw becket bridle disengagement traction grooving.
The present invention can also comprise:
1, throw in unit and throw in left and right between unit and arrange or arrange up and down, share a longitudinal welding plate between the input unit that left and right is arranged, between the input unit arranged up and down, share a horizontal welding plate.
2, rotate throwing mechanism and also comprise the second electric rotating machine, the second worm screw, left tray installs the 5th rolling bearing by the 5th bearing block, right bracket installs the 6th rolling bearing by the 6th bearing block, second electric rotating machine connects the second worm screw, second worm screw is arranged on the 5th bearing block and the 6th bearing block by the 5th rolling bearing and the 6th rolling bearing, worm-wheel shaft is fixed with the second worm gear, the second worm screw and the second worm wheel.
Advantage of the present invention is:
Worm and gear has single-direction transmission function, and motion can only pass to worm gear from worm screw.Oppositely can play self-locking, when throwing mechanism do not send signal complete worm screw action, hanging worm and wormwheel axle can not rotate, and this ensures that there traction becket bridle and be close in the middle of worm-wheel shaft in traction grooving, stable, safe draws bomb assembly.
By several groups of rolling bearings and bearing block, complete the mutual rotary motion of several rotating shaft, and finally complete the spinning movement of hanging worm and wormwheel axle, after rotating to an angle, rely on bomb self gravitation, traction becket bridle completes landing voluntarily from pull rope channel opening, achieves bomb easily and throws in task.
Controlling organization easily realizes its function, as long as control motor to rotate, and predetermined certain step number, control hanging bar to rotate to an angle, and each action of transmission is all rotary motions, under the bomb assembly of heavy load, still can guarantee completing smoothly of input action, to reach the object that bomb is thrown in smoothly.
Accompanying drawing explanation
Fig. 1 is bomb delivery device general assembly front view of the present invention;
Fig. 2 is bomb delivery device general assembly top view;
Fig. 3 is that helicopter hangs a year bomb delivery device schematic diagram;
Fig. 4 is that bomb rotates throwing mechanism minimum unit top view;
Fig. 5 is for rotating throwing mechanism 3-D view;
Fig. 6 is bomb delivery device general frame 3-D view;
Fig. 7 is bomb delivery device bomb assembly schematic diagram;
Fig. 8 is main aerial bomb parachute parachute-opening action schematic diagram;
Fig. 9 is fire extinguishing bomb body structure front view;
Figure 10 is umbrella bullet connector and parachuting unit partial structurtes enlarged drawing;
Figure 11 is for playing ejector pin partial structurtes enlarged drawing;
Figure 12 runs schematic diagram a for rotating throwing mechanism;
Figure 13 runs schematic diagram b for rotating throwing mechanism;
Figure 14 runs schematic diagram c for rotating throwing mechanism.
Detailed description of the invention
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1 ~ 14, the present invention mainly comprises delivery device general frame 1, and fire extinguishing bomb 2 and bomb assembly 3 etc., overall three-dimensional view as shown in Figure 6.
As shown in Figure 1 and Figure 2, general frame 1 is primarily of compositions such as horizontal welding plate 5, longitudinal welding plate 6 and arc weld tabs.Horizontal welding plate 5, longitudinal welding plate 6 and arc weld tabs are fixed together, and composition round rectangle space as shown in Figure 2, as the protection guide cylinder 7 of fire extinguishing bomb, for installing bomb assembly 3.Longitudinal welding plate 6 and multiple suspension ring on upper strata are connected, and by suspension ring and hoist cable 8, delivery device are hung and are loaded on helicopter 9, see Fig. 3.
Control throwing mechanism 4 for controlling the input of bomb assembly 3.As shown in Figure 4, form primarily of left tray 15 and right bracket 10 two parts.Left tray 15 and right bracket 10 are inserted in the slot of horizontal welding plate 5 in general frame 1 by the jack of both sides, and fix with bolt.
Electric rotating machine 14 is arranged on electric rotating machine supporting base 13 as shown in Figure 4, rotating motor support seat is bolted on left tray plate 15, rolling bearing II 17 to be fixed on left tray plate 15 by bearing block II 16, horizontal welding plate 5 has been bolted bearing block I 11, back-up roller dynamic bearing I 12, same installation two bearing blocks and rolling bearing on right carrier frame plate 10, be used for worm screw 19 is installed, worm screw 19 rotary motion is provided, worm screw 19 coordinates with worm gear 18, be welded with traction grooving 20 in the middle of worm-wheel shaft 29, throwing mechanism 3-D view as shown in Figure 5.
Bomb assembly 3 for the installation of fire extinguishing bomb 2 with fixing.As shown in Figure 7, bomb assembly 3 forms primarily of lifting dish 24, fire extinguishing bomb 2, suspension ring 21, liner 22, suspension rod 23, traction becket bridle 28.Lifting dish 24 is made up of the suspension rod 23 of upper and lower two layers of support board and centre, upper end traction becket bridle 28 can make bomb assembly 3 hang control throwing mechanism 4 hang worm and wormwheel axle 29 in the middle of traction grooving 20 in.
Fire extinguishing bomb 2 forms primarily of main body 27, umbrella bullet connector 31, pack 32, rear connecting plate 30 and rear end cap 26 as shown in Figure 9, main body 27 is connected by screw with rear connecting plate 30, rear connecting plate 30 is connected by umbrella bullet connector 31 with rear end cap 26, pack 32 wraps up main aerial bomb parachute 25, works for throwing in fire extinguishing bomb 2 fall-retarding.
Umbrella bullet connector and parachuting unit structure be as shown in Figure 10: umbrella bullet connector 31 is made up of connecting bolt 33, T-nut 37, cushion block 35, thrust ball bearing 36, umbrella bullet adapter sleeve 43, bearing bolt 38 and adapter sleeve 39, connecting bolt 33 lower end is connected with connecting plate 30 after main body 27, upper end and T-nut 37 connect, T-nut 37 lower end is the thrust ball bearing 36 that can produce rotary motion, thrust ball bearing 36 lower end is cushion block 35, T-nut 37 is paved certain height by cushion block 35, for the link of umbrella bullet adapter sleeve 43 and thrust ball bearing 36 provides space.Umbrella bullet adapter sleeve 43 rear end has a cross-drilled hole, is provided with a bearing bolt 38 in hole, is provided with two adapter sleeves be connected with parachute 39 between bearing bolt 38 and umbrella bullet adapter sleeve 43.
Parachuting unit concrete structure is made up of T-shaped base 41, impelling bracket 40, impelling spring 42, rear end cap 26, push rod 45, electric cap 44, small-sized coyote hole 48 and pack 32.Wherein rear end cap 26, push rod 45, electric cap 44, small-sized coyote hole 48, latch 46, N-shaped groove 47 composition launch out latch structure as shown in figure 11, N-shaped groove 47 is welded on the rear connecting plate 30 of main body 27, rear end cap 26 to insert in N-shaped groove 47 matched in clearance with it, fixed by latch 46, interference fits between latch and N-shaped groove 47, a push rod 45 is close in latch lower end, and push rod 45 other end is connected to small-sized coyote hole 48, small-sized coyote hole 48 1 termination electric cap 44
T-shaped base 41 is positioned at umbrella bullet connector 31 inside, bearing bolt 38 upper end, impelling spring 42 is enclosed within T-shaped base 41 newel, and upper end contacts with impelling bracket 40, and impelling bracket 40 is coaxial with adapter sleeve 39, be positioned at inside it, upper surface and rear end cap 26 interior side contacts.Pack is positioned at inside rear end cap 26, and is integrally formed with rear end cap 26 by gluing, and parachute is positioned at pack.
Hanging of delivery device is carried and the input of fire extinguishing bomb
The delivery vehicle of bomb delivery device is straight eight type helicopters or similar parameters helicopter.Helicopter is equipped with hoist engine, the hoist cable that helicopter 9 hangs down is hooked on the suspension ring of fire extinguishing bomb delivery device.When there is forest fire, the bomb delivery device handling of having loaded to overhead, the forest scene of a fire, is carried out the order input of fire extinguishing bomb, thus is completed fire extinguishing task by helicopter 9 according to the release sequence set by control throwing mechanism 4.
Concrete launch process is in conjunction with as follows shown in Figure 12 to Figure 14 schematic diagram: control throwing mechanism 4 when not having an output action, electric rotating machine 14 transfixion, worm gear 18 worm screw 19 has unidirectional delivery function, motion can only be delivered to worm gear 18 from worm screw 19, because worm screw 19 is now static, so throwing mechanism self-locking, traction grooving 20 upper end open in the middle of worm-wheel shaft 29, traction becket bridle 28 is overlapped in traction grooving 20, under the state that traction grooving 20 opening direction is presented, the gravity of fire extinguishing bomb assembly 3 is applied in traction grooving 20 by traction becket bridle 28, fire extinguishing bomb assembly 3 gravity straight down makes traction becket bridle 28 be close to traction grooving 20 inwall, when throwing mechanism self-locking, by drawing becket bridle 28 stable carry bomb assembly 3, mechanism to be controlled sends instruction, signal is sent by controlling organization and is transferred to electric rotating machine 14, electric rotating machine 14 starts, drive output shaft rotates, on output shaft, worm screw 19 is moved together with axle by key cooperation, rotary motion is passed to worm gear 18 by worm screw 19, rotate together with the worm-wheel shaft that drive and worm gear 18 coordinate, in the middle of worm-wheel shaft, traction grooving 20 is along with worm-wheel shaft rotation, when traction grooving 20 opening departs from vertical position at angle, as shown in figure 12 under bomb assembly 3 Action of Gravity Field, fire extinguishing bomb assembly 3 draws becket bridle 28 and departs from traction grooving 20, bomb assembly 3 to have come off input action together with lifting dish 24.
After bomb assembly 3 is controlled to throw in disengaging general frame 1 by control throwing mechanism 4, due to the effect of empty air flow, bomb assembly 3 disperses mutually, fire extinguishing bomb 2 and liner 22 are separated from each other simultaneously, fire extinguishing bomb 2 is thrown in and is started, bomb interior circuit board is started working, after the time reaching setting, electric cap 44 ignited by control circuit, small-sized coyote hole 48 lighted by electric cap 44, small-sized coyote hole 48 explodes and produces reaction force acts in latch 46, be ejected with the latch 46 of rear end cap 26 interference fits, rear end cap 26 is separated with main body 27, be in the impelling spring 42 of compressive state by constraint relief, act on impelling bracket 40, spring force is passed to rear end cap 26 by impelling bracket 40, rear end cap 26 is completed pack 32 impelling together with pack 32 by spring force impelling, pack is by after impelling, umbrella rope is drawn out, when moving umbrella rope top to, pack untied by a pull rope, main aerial bomb parachute 25 is drawn out, whole action completes, as shown in Figure 8, under the effect of main aerial bomb parachute 25, fire extinguishing bomb 2 drop to overhead, the forest scene of a fire and completes fire extinguishing task.
After throwing umbrella, that straightening force and opening shock are undertaken being delivered on umbrella bullet adapter sleeve 43 by adapter sleeve 39, pass to bomb bullet seat by thrust ball bearing 36 and T-nut 37.The rotation of umbrella rope can apply a moment to adapter sleeve 39, prevents main aerial bomb parachute 25 umbrella rope to be wound around by the relative rotation in the bearing up-down force face of thrust ball bearing 36.
Fire extinguishing bomb 2 supply volume is controlled according to task site environment by controlling organization.After completing fire extinguishing task, helicopter carry bomb delivery device gets back to loading base, reload fire extinguishing bomb 2 or unloading.
Claims (3)
1. the rotary delivery device of forest fire extinguishing bomb, it is characterized in that: comprise input unit, throw in unit comprise protection guide cylinder that two horizontal welding plates and two longitudinal welding plates be connected to form and rotate throwing mechanism and fire extinguishing bomb assembly, be parallel to each other between two horizontal welding plates, be parallel to each other between two longitudinal welding plates, arc weld tabs is fixed with in protection guide cylinder, arc weld tabs and two horizontal welding plates and two longitudinal welding plates form round rectangle spaces, fire extinguishing bomb assembly comprises upper strata lifting dish, lower floor's lifting dish, suspension rod, fire extinguishing bomb, lifting dish in upper strata is arranged up and down with lower floor lifting dish and is all connected with suspension rod, the double layers of accommodating mechanism of composition for placing fire extinguishing bomb, suspension ring are fixed in suspension rod upper end, suspension ring are installed traction becket bridle, rotate throwing mechanism and comprise left tray, right bracket, first electric rotating machine, first worm gear, first worm screw, worm-wheel shaft, left tray and right bracket are all fixed between two horizontal welding plates, first electric rotating machine is arranged on left tray, left tray installs the first rolling bearing by clutch shaft bearing seat, right bracket installs the second rolling bearing by the second bearing block, first electric rotating machine connects the first worm screw, first worm screw is arranged on clutch shaft bearing seat and the second bearing block by the first rolling bearing and the second rolling bearing, two horizontal welding plates install the 3rd rolling bearing and the 4th rolling bearing respectively by the 3rd bearing block and the 4th bearing block, worm-wheel shaft is arranged on the 3rd bearing block and the 4th bearing block by the 3rd rolling bearing and the 4th rolling bearing, worm-wheel shaft is fixed with the first worm gear, first worm gear matches with the first worm screw, worm-wheel shaft is arranged traction grooving, traction becket bridle is arranged on traction grooving, traction grooving is arranged and rotates with worm-wheel shaft the opening making to draw becket bridle disengagement traction grooving.
2. the rotary delivery device of forest fire extinguishing bomb according to claim 1, it is characterized in that: throw in unit and throw in left and right between unit and arrange or arrange up and down, share a longitudinal welding plate between the input unit that left and right is arranged, between the input unit arranged up and down, share a horizontal welding plate.
3. the rotary delivery device of forest fire extinguishing bomb according to claim 1 and 2, it is characterized in that: rotate throwing mechanism and also comprise the second electric rotating machine, the second worm screw, left tray installs the 5th rolling bearing by the 5th bearing block, right bracket installs the 6th rolling bearing by the 6th bearing block, second electric rotating machine connects the second worm screw, second worm screw is arranged on the 5th bearing block and the 6th bearing block by the 5th rolling bearing and the 6th rolling bearing, worm-wheel shaft is fixed with the second worm gear, the second worm screw and the second worm wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030118.3A CN104548418B (en) | 2015-01-21 | 2015-01-21 | Rotary forest fire-fighting bomb delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030118.3A CN104548418B (en) | 2015-01-21 | 2015-01-21 | Rotary forest fire-fighting bomb delivery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104548418A true CN104548418A (en) | 2015-04-29 |
| CN104548418B CN104548418B (en) | 2017-05-24 |
Family
ID=53066154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510030118.3A Expired - Fee Related CN104548418B (en) | 2015-01-21 | 2015-01-21 | Rotary forest fire-fighting bomb delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104548418B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799928A (en) * | 2016-04-14 | 2016-07-27 | 安徽汇金智能科技有限公司 | Fire protection and extinguishing device based on unmanned aerial vehicle |
| CN107380400A (en) * | 2017-08-29 | 2017-11-24 | 深圳爱易瑞科技有限公司 | A kind of aircraft for carrying fire plant, rescuing people's facility |
| CN109966672A (en) * | 2017-12-27 | 2019-07-05 | 天津鹏航航空器科技有限公司 | A kind of positioning and directing forest extinguishing powder packet |
| CN111617403A (en) * | 2020-05-18 | 2020-09-04 | 杨宏兵 | Method for forming isolation belt by rapid airborne landing of parachute fire extinguishing ball |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201004A (en) * | 1922-06-22 | 1923-07-26 | Edward George Pyne | Improvements in bomb or other article releasing gear for aeronautical machines, vehicles, vessels, and the like |
| US3529745A (en) * | 1968-07-25 | 1970-09-22 | Us Navy | Sonobuoy dispenser |
| CN2373325Y (en) * | 1999-06-22 | 2000-04-12 | 张长江 | Device for ensuring lifting mechanism safety moving and braking |
| CN103893935A (en) * | 2014-03-28 | 2014-07-02 | 哈尔滨工程大学 | Forest fire fighting bomb releasing device based on rotary support module |
| CN204485136U (en) * | 2015-01-21 | 2015-07-22 | 哈尔滨工程大学 | The rotary delivery device of forest fire extinguishing bomb |
-
2015
- 2015-01-21 CN CN201510030118.3A patent/CN104548418B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201004A (en) * | 1922-06-22 | 1923-07-26 | Edward George Pyne | Improvements in bomb or other article releasing gear for aeronautical machines, vehicles, vessels, and the like |
| US3529745A (en) * | 1968-07-25 | 1970-09-22 | Us Navy | Sonobuoy dispenser |
| CN2373325Y (en) * | 1999-06-22 | 2000-04-12 | 张长江 | Device for ensuring lifting mechanism safety moving and braking |
| CN103893935A (en) * | 2014-03-28 | 2014-07-02 | 哈尔滨工程大学 | Forest fire fighting bomb releasing device based on rotary support module |
| CN204485136U (en) * | 2015-01-21 | 2015-07-22 | 哈尔滨工程大学 | The rotary delivery device of forest fire extinguishing bomb |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799928A (en) * | 2016-04-14 | 2016-07-27 | 安徽汇金智能科技有限公司 | Fire protection and extinguishing device based on unmanned aerial vehicle |
| CN107380400A (en) * | 2017-08-29 | 2017-11-24 | 深圳爱易瑞科技有限公司 | A kind of aircraft for carrying fire plant, rescuing people's facility |
| CN107380400B (en) * | 2017-08-29 | 2018-05-04 | 深圳爱易瑞科技有限公司 | A kind of aircraft for carrying fire plant, rescuing people's facility |
| CN109966672A (en) * | 2017-12-27 | 2019-07-05 | 天津鹏航航空器科技有限公司 | A kind of positioning and directing forest extinguishing powder packet |
| CN111617403A (en) * | 2020-05-18 | 2020-09-04 | 杨宏兵 | Method for forming isolation belt by rapid airborne landing of parachute fire extinguishing ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104548418B (en) | 2017-05-24 |
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Granted publication date: 20170524 |