CN101574565B - Ducted fan flexible aerial ladder fire truck - Google Patents
Ducted fan flexible aerial ladder fire truck Download PDFInfo
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- CN101574565B CN101574565B CN2009100874550A CN200910087455A CN101574565B CN 101574565 B CN101574565 B CN 101574565B CN 2009100874550 A CN2009100874550 A CN 2009100874550A CN 200910087455 A CN200910087455 A CN 200910087455A CN 101574565 B CN101574565 B CN 101574565B
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Abstract
The invention relates to a ducted fan flexible aerial ladder fire truck comprising an aerocraft consisting of a work cabin and four ducts. Fans are arranged in the ducts. Each duct is connected with agroup of driving devices. Each driving device consists of a power mechanism and a deflection mechanism, wherein the power mechanism consists of an engine and a transmission shaft, and the deflection mechanism consists of a large bearing seat, a driving gear, a driven gear and a servo motor. A lateral surface of each duct is fixedly connected with a cantilever supported by a large bearing in the large bearing seat. The engines are fixed on brackets. The transmission shafts pass through the inside of the cantilevers. The front ends of the transmission shafts extend into the ducts and connected with fan shafts by bevel gear drive pairs. The rear ends of the transmission shafts are connected with output shafts of the engines by couplings. The driven gears are fixed connected on the cantilevers. The driving gears are fixedly connected on the spindles of the servo motors and engaged with the driven gears. A high-pressure water gun is arranged at the center inside the work cabin. The fire truck is conveniently used, can extinguish fire and rescue persons and is not limited of the height of a building.
Description
Technical field
The present invention relates to fire-fighting equipment, particularly a kind of soft hook and ladder.
Background technology
Existing fire fighting truck all is to be parked in to utilize giant to put out a fire on the ground, utilize aerial ladder to lift high rescue, aerial ladder is supported by cascade of more piece telescopic ladder or hydraulic telescopic arm and constitutes, the maximum height that the present act of motor ladder in the world Gao Suoneng reaches is rich wave (BrontoSkylift) the F101 HLA motor ladder that Finland produces, lift 101 meters of high altitudes, about about 70 meters of the water spray limiting altitude of giant, along with expanding economy, building is more and more higher, 150 meters to 500 meters skyscraper is more and more, in a single day the condition of a fire appears in these skyscrapers, the aerial ladder of fire fighting truck is not enough gone up, and is difficult to effectively rescue, and giant also can only be from following remote water spray, during the scene of a fire, arrival center, water column has scattered, and does not have impulsive force, as drizzle, the fire extinguishing effect is undesirable, and the place that surpasses 150 meters height then can not utilize existing fire fighting truck fire extinguishing fully.Though the fire department that has is equipped with helicopter, what helicopter was self-contained all is limited for the fuel of flight usefulness and the fire-fighting liquid that uses for fire extinguishing, and flying power is poor, Fire Fighting Time is short.And helicopter all has empennage, and screw is also very big, and balanced capacity is poor, and flexibility is relatively poor, can not be too near to building.
Summary of the invention
For addressing the above problem, the purpose of this invention is to provide a kind of ducted fan flexible aerial ladder fire truck, easy to use, can put out a fire, can rescue the people again, it utilizes aircraft as the lifting instrument, fire hose is promoted to the scene of a fire, center, closely spray water by giant, good extinguishing effect, aircraft provides power and the supply of fire-fighting liquid by surface car, own wt is light, maneuverability can take off vertically, land, and moves horizontally, aloft hover, not limited by story height, can directly succour the personnel that besieged by big fire fast near the scene of a fire.
For achieving the above object, the present invention is by the following technical solutions: a kind of ducted fan flexible aerial ladder fire truck, comprise aircraft, aircraft is made up of work chamber and four ducts, be provided with fan in the duct, it is characterized in that: described four ducts are arranged in the front at work chamber top, the left side, the back, the right side, the work chamber top is provided with four groups of drive units, each duct is connected with one group of drive unit respectively, every group of drive unit is made up of actuating unit and deflection mechanism, actuating unit is by engine, power transmission shaft constitutes, deflection mechanism is by big bearing block, driving gear, driven gear, servomotor constitutes, the side of each duct is connected with cantilever, cantilever is a cylindrical shape, each cantilever is by the big bearing supporting in the big bearing block, the rear portion of cantilever is connected with support, described engine is fixed on the support, described power transmission shaft is set in the cantilever, the two ends of cantilever are provided with little bearing, power transmission shaft is by described little bearing supporting, the front end of power transmission shaft stretches in the duct, be connected with fan shaft by Bevel Gear Transmission is secondary, the rear end of power transmission shaft is connected with the output shaft of engine by shaft coupling, described driven gear is fixed on the cantilever, described driving gear is fixed on the main shaft of servomotor, this driving gear and the engagement of described driven gear, and servomotor is fixed on the platform at work chamber top, the inside center of work chamber is provided with giant, the bottom of giant is provided with pipe joint, and this pipe joint is connected with fire hose, and fire hose is connected with the fire-fighting liquid resupply vehicle on ground.
The center line of described duct is provided with upper and lower supporting seat, upper and lower supporting seat is connected with the inwall of duct by upper and lower link rod respectively, in the upper and lower supporting seat high-speed bearing is housed, the two ends of described fan shaft are supported by the high-speed bearing in the upper and lower supporting seat respectively.Described fire hose is provided with booster pump.Four jiaos of described work chamber top are provided with video camera, and this video camera is connected with ground command car by the control cable.Described engine is a high-speed motor, and engine is connected with ground distribution resupply vehicle by power cable.Described engine is an aero-engine, and engine is connected with ground fuel make up car by oil pipe.Described giant is connected with ground command car by the control cable.
The present invention has following positive beneficial effect:
Ducted fan flexible aerial ladder fire truck of the present invention, utilize aircraft as the lifting instrument, aircraft can VTOL, hover, speed is fast, mobility strong, is not subjected to the restriction of landform, barrier, and fire-fighting liquid and power supply car are slightly far away, slightly near, all unaffected, no matter the condition of a fire has muchly, and how high floor have, and aircraft can be fast, exactly near scene, condition of a fire center.Be provided with giant in the aircraft, giant is connected with the fire-fighting liquid resupply vehicle on ground by fire hose, the fireman is by handling console, make aircraft be directly adjacent to the tongues of fire, utilize the giant water spray, water column is closely beaten on ignition point, and the water yield is big and concentrated, can extinguish big fire in the shortest time.Four jiaos of aircraft are equipped with monitor, loudspeaker, the fireman can directly see the condition of a fire in the high-rise building by monitor in command car, personnel's trend, after determining the position of trapped personnel, the fireman can take aircraft, be raised to fast outside the window of high-rise building, by rescuing ladder rescue trapped personnel.Because the power and the fire-fighting liquid of aircraft are provided by the ground resupply vehicle, therefore guaranteed the long-time continuous of fire-fighting and rescue, it is limited to have overcome existing helilift amount, the drawback that flying power is poor, Fire Fighting Time is short.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the schematic diagram after the aircraft lift-off among Fig. 1.
Fig. 3 is the structural representation of aircraft among Fig. 1.
Fig. 4 is the syndeton schematic diagram of duct and work chamber among Fig. 3.
Fig. 5 is the assembly structure enlarged drawing of duct and drive unit among Fig. 4.
Fig. 6 is the structural representation of booster pump.
Fig. 7 is the cutaway view of duct.
Fig. 8 is the side view of Fig. 4.
Fig. 9 is the partial sectional view of duct.
Figure 10 is the structural representation of duct inside.
Figure 11 is that cable, oil pipe, fire hose are strapped in structural representation together.
The specific embodiment
Number in the figure
1 duct, 2 ducts, 3 ducts, 4 ducts
5 engines, 6 power transmission shafts, 7 big bearing blocks
8 bearings, 9 bearings, 10 aircraft
11 servomotors, 12 cantilevers
13 supports, 14 little bearing 15 little bearings
16 fans, 17 bevel gears, 18 bevel gears
19 shaft couplings, 20 work chambers, 21 driving gears
Link rod on 22 driven gears, the 23 upper support seats 24
25 high-speed bearings, 26 glands, 27 giants
28 fire hoses, 29 booster pumps, 30 fire fighting trucks
31 ring flanges, 32 video cameras, 33 lower support seats
34 times link rod 35 high-speed bearings 36 fan shafts
37 radome fairings, 38 radome fairings, 39 protective covers
Terraced 42 pump housings of 40 platforms, 41 rescues
43 motors, 44 impellers, 45 water inlets
46 delivery ports, 47 control cable 48 power cables or oil pipes
49 spacers, 50 openings, 51 protection tubes
Please refer to Fig. 1, Fig. 2, the present invention is a kind of ducted fan flexible aerial ladder fire truck 30, comprise aircraft 10, fire fighting truck 30 is provided with the platform 40 that takes off and land for aircraft 10, aircraft 10 is made up of work chamber 20 and four ducts 1,2,3,4, be respectively arranged with 16, four ducts of fan 1,2,3,4 in the duct 1,2,3,4 and be arranged in front, the left side, back, the right side at work chamber 20 tops, the top of work chamber 20 is equipped with four groups of drive units.
Please refer to Fig. 3, Fig. 4, Fig. 5, Fig. 7, duct 1,2,3,4 is connected with these four groups of drive units respectively, the structure of four groups of drive units is identical, every group of drive unit is made up of actuating unit and deflection mechanism, actuating unit is made of engine 5, power transmission shaft 6, and deflection mechanism is made of big bearing block 7, driving gear 21, driven gear 22, servomotor 11, and the side of duct 1 is connected with cantilever 12, cantilever 12 is a cylindrical shape, and cantilever 12 is by the big bearing supporting in the big bearing block 7.The rear portion of cantilever 12 is connected with support 13, and engine 5 is fixed on the support 13 by ring flange 31.In the present embodiment, big bearing block 7 has two groups, when implementing, can increase the quantity of big bearing block 7 according to the length variations of cantilever 12 accordingly.
Please refer to Fig. 7, Fig. 8, Fig. 9, Figure 10, power transmission shaft 6 is set in the cantilever 12, and the front end of cantilever 12, rear end are equipped with little bearing 14,15, and power transmission shaft 6 is by little bearing 14,15 supportings.
The front end of power transmission shaft 6 stretches in the duct 1, be connected with fan shaft 36 by Bevel Gear Transmission is secondary, the Bevel Gear Transmission pair is made up of bevel gear 17,18, bevel gear 17 is fixed on the fan shaft 36, bevel gear 18 is fixed on the front end of power transmission shaft 6, bevel gear 17,18 meshes together, the rear end of power transmission shaft 6 is connected with the output shaft of engine 5 by shaft coupling 19, driven gear 22 is fixed on the cantilever 12, driving gear 21 is fixed on the main shaft of servomotor 11, driving gear 21 and driven gear 22 engagements, servomotor 11 is fixed on the end face of work chamber 20.
When engine 5 work, its output shaft drives power transmission shaft 6 rotation at a high speed, and power transmission shaft 6 drives bevel gear 18 rotation at a high speed through bevel gear 17, thereby makes fan shaft 36 rotation at a high speed, produces lift so fan 16 just rotates.When servomotor 11 was worked, driving gear 21 can rotate an angle, drives angle of the also corresponding rotation of driven gear 22, owing to driven gear 22 is fixed on the cantilever 12, thus duct meeting deflection, thus realize adjusting flight attitude.
The center of duct 1 is provided with upper and lower supporting seat 23,33, and upper support seat 23 is connected with the inwall of duct 1 by last link rod 24, and last link rod 24 has three, distributes radially, and high-speed bearing 25 is installed in the upper support seat 23.The upper end of upper support seat 23 is connected with gland 26.Link rod 34 was connected with the inwall of duct 1 under lower support seat 33 passed through, and following link rod 34 has three, also distributed radially, and high-speed bearing 35 is installed in the lower support seat 33.The two ends of fan shaft 36 are by high-speed bearing 25,35 supportings.Between bevel gear 17 and high-speed bearing 25, be provided with spacer 49, spacer 49 positioning actions.
The inside center of work chamber 20 is provided with giant 27.The bottom of giant 27 is provided with pipe joint, and this pipe joint is connected with fire hose 28.Fire hose 28 is connected with ground fire-fighting liquid resupply vehicle.Giant 27 is connected with ground command car by the control cable.The trigger of giant 27 is made of electric control gear, and opening and close by command car of giant 27 controlled.
In preferred embodiments, on fire hose 28, be serially connected with booster pump 29,29 relaying actions of booster pump, fire-fighting liquid is sprayed from giant 27 through the pressurization back, the water yield is big and concentrated, can in the shortest time, extinguish big fire, booster pump 29 can have a plurality of, thereby realize the classification supercharging, utilize the classification supercharging, the pressure that fire-fighting liquid deadweight in the fire hose can be affacted fully lowermost end is distributed to booster pumps at different levels, has reduced the pressure of bottommost pump and the pressure of the fire-fighting liquid that bear the fire hose lower end, thereby can reduce the requirement of fire hose material to compressive resistance.
Please refer to Fig. 6, booster pump 29 can adopt the centrifugal pump of coaxial-type, it is made up of the pump housing 42, motor 43, impeller 44, the two ends of impeller 44 are by bearing 8,9 supportings, and motor 43 is arranged on the central authorities of the pump housing 42, and the advantage of this centrifugal pump is: water inlet 45 and delivery port 46 are on same axis, liquid passes from the interlayer chamber of the pump housing, compact conformation, volume is little, is convenient to be serially connected on the fire hose 28.In addition, can also on the fire hose above the booster pump 29 28, check valve be set, make fire-fighting liquid, can only upwards flow, can not flow downward, prevent to flow backwards by behind the booster pump 29.
When engine 5 adopts aero-engine, need to be connected with ground fuel make up car with oil pipe.
Four jiaos of work chamber 20 tops are provided with video camera 32, and loudspeaker is installed, so that converse with trapped personnel.Video camera 32 transmits signal earthward by the control cable.Servomotor 11 is connected with ground distribution resupply vehicle by power cable.Provide electric energy by ground distribution resupply vehicle, servomotor 11, engine 5, booster pump 29 all by controlling on the ground, can have line traffic control by the control cable, also can carry out controlled in wireless by remote control mode.
What deserves to be mentioned is; though above-mentioned power cable, control cable, oil pipe, fire hose and different resupply vehicle connections; but can be strapped in together in use; promptly the upper end all is connected with aircraft 10; the middle part connects together by protective casing; the lower end bifurcated; the lower end of power cable wherein is connected with the power interface of ground distribution resupply vehicle; the lower end of oil pipe is connected with the fuel interface of fuel make up car; the lower end of control cable is connected with command car, and the lower end of fire hose is connected with the transfusion interface of fire-fighting liquid resupply vehicle.During concrete enforcement, distribution resupply vehicle, fuel make up car, command car can merge to same chassis, also can be to separate separately.
Please refer to Figure 11, control cable 47, power cable or oil pipe 48 are strapped in fire hose 28, put protection tube 51 outside, when aircraft 10 lift-offs, protection tube 51 tractions by connecting make control cable 47, power cable or oil pipe 48 go up to the air simultaneously with fire hose 28.
During the aircraft lift-off, four ducts 1,2,3, actuating unit in 4 the drive unit is worked simultaneously, promptly four engines 5 are worked simultaneously, four fan 16 rotations at a high speed simultaneously, the high velocity air that fan 16 produces sprays from the duct bottom opening, aircraft 10 obtains lift, rise from the platform 40 of fire fighting truck 30, when needing flat flying, can start servomotor 11, make duct 1,3 or duct 2,4 produce deflection, it is duct 1,3 or duct 2,4 are deflected into vertical direction to equidirectional from vertical direction certain included angle are arranged, aircraft 10 just can move by along continuous straight runs, in the time of need turning to, need be with duct 1,2,3, angle of 4 deflections simultaneously, promptly all to be deflected into horizontal direction certain included angle is arranged from vertical direction, and, duct 1,2,3, the trend of 4 deflections is identical, promptly all for being counterclockwise clockwise or all, aircraft 10 just can turn left or turn right like this, when needing landing, only needs to reduce the rotating speed of fan 16, aircraft 10 just descends slowly, is parked on the platform 40 of fire fighting truck 30.
During fire fighting, the fireman handles in command car just can, do not need with big fire face-to-face, the fireman is by handling console, makes the aircraft VTOL, hovers, spirals, horizontal flight, turning, is directly adjacent to the tongues of fire, utilize giant 27 water sprays, water column is closely beaten on ignition point, and the water yield is big and concentrated, can extinguish big fire in the shortest time.Four jiaos of aircraft are equipped with monitor 32, loudspeaker, the fireman can directly see the condition of a fire in the high-rise building by monitor in command car, personnel's trend, can pass through simultaneously loudspeaker, direct and trapped personnel dialogue, after determining the position of trapped personnel, the fireman can take aircraft, is raised to fast outside the window of high-rise building, by rescuing ladder 41 rescue trapped personnels, again trapped personnel is received on the ground.
Claims (7)
1. ducted fan flexible aerial ladder fire truck, comprise aircraft, aircraft is made up of work chamber and four ducts, be provided with fan in the duct, it is characterized in that: described four ducts are arranged in the front at work chamber top, the left side, the back, the right side, the work chamber top is provided with four groups of drive units, each duct is connected with one group of drive unit respectively, every group of drive unit is made up of actuating unit and deflection mechanism, actuating unit is by engine, power transmission shaft constitutes, deflection mechanism is by big bearing block, driving gear, driven gear, servomotor constitutes, the side of each duct is connected with cantilever, cantilever is a cylindrical shape, each cantilever is by the big bearing supporting in the big bearing block, the rear portion of cantilever is connected with support, described engine is fixed on the support, described power transmission shaft is set in the cantilever, the two ends of cantilever are provided with little bearing, power transmission shaft is by described little bearing supporting, the front end of power transmission shaft stretches in the duct, be connected with fan shaft by Bevel Gear Transmission is secondary, the rear end of power transmission shaft is connected with the output shaft of engine by shaft coupling, described driven gear is fixed on the cantilever, described driving gear is fixed on the main shaft of servomotor, this driving gear and the engagement of described driven gear, servomotor is fixed on the platform at work chamber top, and the inside center of work chamber is provided with giant, and the bottom of giant is provided with pipe joint, this pipe joint is connected with fire hose, and fire hose is connected with the fire-fighting liquid resupply vehicle on ground.
2. ducted fan flexible aerial ladder fire truck as claimed in claim 1, it is characterized in that: the center line of described duct is provided with upper and lower supporting seat, upper and lower supporting seat is connected with the inwall of duct by upper and lower link rod respectively, in the upper and lower supporting seat high-speed bearing is housed, the two ends of described fan shaft are supported by the high-speed bearing in the upper and lower supporting seat respectively.
3. ducted fan flexible aerial ladder fire truck as claimed in claim 1 is characterized in that: described fire hose is provided with booster pump.
4. ducted fan flexible aerial ladder fire truck as claimed in claim 1 is characterized in that: four jiaos of described work chamber top are provided with video camera, and this video camera is connected with ground command car by the control cable.
5. ducted fan flexible aerial ladder fire truck as claimed in claim 1 is characterized in that: described engine is a high-speed motor, and engine is connected with ground distribution resupply vehicle by power cable.
6. ducted fan flexible aerial ladder fire truck as claimed in claim 1 is characterized in that: described engine is an aero-engine, and engine is connected with ground fuel make up car by oil pipe.
7. ducted fan flexible aerial ladder fire truck as claimed in claim 1 is characterized in that: described giant is connected with ground command car by the control cable.
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| CN2009100874550A CN101574565B (en) | 2009-06-25 | 2009-06-25 | Ducted fan flexible aerial ladder fire truck |
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| CN2009100874550A CN101574565B (en) | 2009-06-25 | 2009-06-25 | Ducted fan flexible aerial ladder fire truck |
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| CN101574565A CN101574565A (en) | 2009-11-11 |
| CN101574565B true CN101574565B (en) | 2011-09-28 |
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| CN201415017Y (en) * | 2009-06-25 | 2010-03-03 | 北京大业嘉成科技有限公司 | Soft fire-fighting turnable ladder with duct fans |
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| Publication number | Publication date |
|---|---|
| CN101574565A (en) | 2009-11-11 |
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