CN202357950U - Large-displacement multifunctional air supply device of aircraft engine driving fan - Google Patents
Large-displacement multifunctional air supply device of aircraft engine driving fan Download PDFInfo
- Publication number
- CN202357950U CN202357950U CN2011205421210U CN201120542121U CN202357950U CN 202357950 U CN202357950 U CN 202357950U CN 2011205421210 U CN2011205421210 U CN 2011205421210U CN 201120542121 U CN201120542121 U CN 201120542121U CN 202357950 U CN202357950 U CN 202357950U
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- ventilating duct
- fan
- engine
- turbo oar
- flabellum
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Abstract
The utility model discloses a large-displacement multifunctional air supply device of an aircraft engine driving fan. The air supply device comprises an automobile chassis, a water tank is arranged on the automobile chassis and connected with a water pump system, a rotating mechanism is also arranged on the automobile chassis and provided with a lifting platform and a pitching mechanism, an air guide cylinder is fixed on the lifting platform and the pitching mechanism, the water pump system is communicated with the air guide cylinder, and smoke discharging assembly is arranged at the inner part of the air guide cylinder. According to the large-displacement multifunctional air supply device, the smoke discharging power is high, the air volume is large, and the effect is good.
Description
Technical field
The utility model belongs to fire-fighting fume extractor technical field, relates to a kind of multi-functional air-supply arrangement of big discharge capacity of aero-engine drive fan.
Background technology
The inhabitation of modern city, office space, place of public amusement, market, supermarket; Petrochemical factory, bulk storage plants etc. have used a large amount of synthetic finishing materials; After the presence of fire, produce a large amount of toxic fumes, not only block vision; Cause personnel escape's difficulty, and be to cause the people to suck the principal element of being poisoned to death.Statistical information shows, has the people about 85% to die from toxic fume among the Urban Fires death person.Smog also hinders the fire fighter and gets into the scene of a fire and rescue people fire extinguishing.For this reason, the auxiliary smoke exhauster truck that used in the modern fire-fighting fire extinguishing fight, high wind blowing and dilution toxic fume with its generation improve scene of a fire rescue conditions.China had introduced external smoke evacuation fire-fighting system successively in the last few years, like the MVU280 type smoke exhauster truck of France, and the Lu Hu 60 of Germany smoke evacuation fire-fighting robots etc., domestic also have a how tame fire extinguishing tanker manufacturing enterprise operation smoke exhauster truck.
China is in the production of coal gas, natural fuels, dangerous chemical material, transportation, storage; When meeting accident leakage accident; On-the-spot at the accident rescue, need to use smoke exhauster truck to dispel, dilute poisonous, the flammable explosive gas that leak out, prevent firing or the casualty accident of poisoning.
But; These smoke exhauster trucks of producing both at home and abroad exist following defective: the one, and be the power driven exhaust fan with the HM Hydraulic Motor; The automotive engine of still needing drives Hydraulic Pump and for it propulsion source is provided; Waste of power is bigger behind twice transformation of energy, has limited the raising of induced-draft fan power, thereby directly has influence on the smoke evacuation cooling-down effect of scene of fire.Receive the restriction of vehicle dimension, (power is all less than 300KW, and wherein aviation piston engine power has only 200KW) is all little for present employable propulsion source power, so the air quantity of exhaust fan and blast are all less, poor effect.When adopting the aviation turbo oar engine, the fixed angle because flabellum facings the wind, if will make air quantity big, power is excessive when then starting, and makes the aviation turbo oar engine start difficulty; If will start easily, then air quantity can diminish again.
Summary of the invention
The purpose of the utility model provides a kind of multi-functional air-supply arrangement of big discharge capacity of aero-engine drive fan, and induced-draft fan power is high, and air quantity is big, and is effective.
The technical scheme that the utility model adopted is that the multi-functional air-supply arrangement of big discharge capacity of aero-engine drive fan comprises car chassis; Car chassis is provided with water pot, and water pot is connected with water pump system, also is provided with rotating mechanism on the car chassis; Rotating mechanism is provided with lifting table and luffing mechanism; Be fixed with ventilating duct on lifting table and the luffing mechanism, water pump system is communicated with ventilating duct, and the ventilating duct set inside has the induced-draft fan assembly.
The utility model characteristic also is,
Ventilating duct be shaped as the cylindrical shape admission port, the centre is a cylindrical channel, end is the convergent contour spout.
The induced-draft fan assembly is included in the aviation turbo oar engine is set in the ventilating duct, and ventilating duct is socketed in the outside of aviation turbo oar engine, on the output shaft of aviation turbo oar engine, fan is installed, and fairing is installed in the housing of ventilating duct through riser bar; Ventilating duct, aviation turbo oar engine, fan and fairing are arranged on the same axis; Ventilating duct and aviation turbo oar engine are arranged on the lifting table; The exhausr port of aviation turbo oar engine is provided with the mozzle of three-dimensional, and tandem place of mozzle is provided with steering hardware, and mozzle is connected with the exterior remote air-supply flexible pipe of ventilating duct, and the ventilating duct exit end is provided with thin water fog applicator.
Fan comprises by the flabellum of 4-12 sheet aluminum alloy or the manufacturing of carbon fiber high-strength degree light material and forming; Flabellum is inserted in the flabellum petiole on the flabellum frame and with eccentric shaft and is connected; Eccentric shaft is arranged in the horizontal concrete chute of the slide block that can move along the fan axis direction, and cylinder is connected with slide block.
The multi-functional air-supply arrangement of big discharge capacity of the aero-engine drive fan of the utility model; Its remarkable advantage: (1) is less with volume, weight aviation turbo oar engine light, that power is big, reliability is high is used for drive fan, horsepower input is increased to more than the 1650kW, with aviation piston engine (power ≯ 200kW) compare; It is more powerful; Drive vane kinetic energy is stronger, and its ventilating duct diameter can reach about 2m, thereby obtains bigger air quantity and higher blast; (2) through with discharge directions in the exhaust guiding ventilating duct of aviation turbo oar engine, further increased exhaust air rate, the outlet wind speed of blower fan reaches 120m/s, and air quantity reaches 800000～1000000m
3/ h, the air flow jetting distance is greater than 150m; (3) through installing thin water fog applicator additional at ventilating duct outlet periphery, the high wind that contains thin water smoke can be strengthened smoke and dust removing, reduces fire scene temperature, the effect of dilution poisonous and harmful, flammable explosive gas.(4) the flabellum adjustable angle of facining the wind becomes big through the adjustment fan blade angles, effectively reduces fume extractor and starts power demand, and the aviation turbo oar engine is started smoothly; After the startup, the adjustment flabellum facings the wind the angle change greatly, to increase air quantity.
Description of drawings
Fig. 1 is the structural representation of the multi-functional air-supply arrangement of the big discharge capacity of the utility model.
Fig. 2 is an induced-draft fan assembly structure scheme drawing in the utility model.
Fig. 3 is the structural representation of the utility model fan.
Fig. 4 is that the A-A of Fig. 3 is to cutaway view.
Among the figure, 1, car chassis, 2, water pot, 3, water pump system, 4, lifting table, 5, rotating mechanism; 6, luffing mechanism, 7, ventilating duct, 8, the aviation turbo oar engine, 9, mozzle, 10, mist-generating nozzle; 11, fan, 12, fairing, 13, riser bar, 14, the flexible pipe of blowing at a distance, 15, steering hardware; 16, flabellum, 17, the flabellum petiole, 18, eccentric shaft, 19, slide block, 20, cylinder.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
The structure of the multi-functional air-supply arrangement of big discharge capacity of the utility model aero-engine drive fan is as shown in Figure 1, comprises car chassis 1, and car chassis 1 is provided with water pot 2; Water pot 2 is connected with water pump system 3; Car chassis 1 rear portion also is provided with rotating mechanism 5, and rotating mechanism 5 is provided with lifting table 4 and luffing mechanism 6, is fixed with ventilating duct 7 on lifting table 4 and the luffing mechanism 6; Be communicated with between water pump system 3 and the ventilating duct 7, ventilating duct 7 set inside have the induced-draft fan assembly.Ventilating duct 7 be shaped as the cylindrical shape admission port, the centre is a cylindrical channel, end is the convergent contour spout.
The structure of induced-draft fan assembly is as shown in Figure 2 in the utility model; Aviation turbo oar engine 8 is set in the ventilating duct 7; Ventilating duct 7 is socketed in the outside of aviation turbo oar engine 8; Fan 11 is installed on the output shaft of aviation turbo oar engine 8, and fan 11 is made up of 4～12 flabellums, high-strength light made such as these fan 11 usefulness aluminum alloys or carbon fiber.
The structure of the utility model fan such as Fig. 3, shown in Figure 4; Flabellum 16 is inserted in the flabellum petiole 17 on the flabellum frame and with eccentric shaft 18 and is connected; Eccentric shaft 18 is arranged in the horizontal concrete chute of the slide block 19 that can move along fan 11 axis directions, and cylinder 20 is connected with slide block 19.When slide block 19 with the 20 promotion lower edge fan axis directions motions of the coaxial cylinder of fan the time, can drive flabellum 16 around self rotational, thereby change the angle of facining the wind of flabellum 16.
The use of the multi-functional air-supply arrangement of the big discharge capacity of the utility model is, installs thin water fog applicator 10 additional at ventilating duct 7 exit end peripheries and can spray thin water smoke, and emission direction is consistent with wind direction.Aviation turbo oar engine 8 drive fan 11 that are installed in the ventilating duct 7 are rotated, and the high wind of generation and thin water smoke outwards ejection together can cause ventilating duct 7 outsides through steering hardware 15 simultaneously and connect remote air-supply flexible pipe 14 and blow at a distance.Can adjust the sensing and the attitude of ventilating duct 7 by lifting table 4, rotating mechanism 5 and luffing mechanism 6, thereby make the space that high wind accurately points to needs operation, to reach the smoke evacuation dedusting, dilution poisonous and harmful, flammable explosive gas, the purpose of reduction fire scene temperature.Water in the water pot 2 are that 0.8～1.0MPa, flow are the water of 20L/s through water pump system 3 delivery pressures, and ejecting flow through spraying nipple 11 is 4～6kg/s, the particle diameter superfine spray less than 100 μ m.Platform 5 can horizontally rotate ± 360 °, can the smoke evacuation tube be raised to the 4m height, and face upward bow+27 ° ,-6 °.
Through test and detection, following correlation parameter demonstration has obtained good implementation result:
About the about 2m of the diameter of ventilating duct;
The wind speed in ventilating duct exit: 120m/s;
The wind speed that records apart from ventilating duct outlet 150m place: 3～4m/s;
The flow of ventilating duct exit wind: greater than 950000m
3/ h;
The mean grain size D of superfine spray (V, 0.5):＜100 μ m
When ambient-air temperature is 30 ℃, relative humidity is 48% o'clock, and the temperature of the gas-superfine spray jet that records apart from ventilating duct outlet 30m place is 25 ℃.
Claims (4)
1. the multi-functional air-supply arrangement of big discharge capacity of an aero-engine drive fan; It is characterized in that comprise car chassis (1), car chassis (1) is provided with water pot (2); Water pot (2) is connected with water pump system (3); Also be provided with rotating mechanism (5) on the said car chassis (1), rotating mechanism (5) is provided with lifting table (4) and luffing mechanism (6), is fixed with ventilating duct (7) on said lifting table (4) and the luffing mechanism (6); Said water pump system (3) is communicated with ventilating duct (7), and said ventilating duct (7) set inside has the induced-draft fan assembly.
2. the multi-functional air-supply arrangement of big discharge capacity of aero-engine drive fan according to claim 1 is characterized in that, said ventilating duct (7) be shaped as the cylindrical shape admission port, the centre is a cylindrical channel, end is the convergent contour spout.
3. the multi-functional air-supply arrangement of big discharge capacity of aero-engine drive fan according to claim 1; It is characterized in that; Said induced-draft fan assembly is included in aviation turbo oar engine (8) is set in the ventilating duct (7); Said ventilating duct (7) is socketed in the outside of aviation turbo oar engine (8), and fan (11) is installed on the output shaft of aviation turbo oar engine (8), and fairing (12) is installed in the housing of ventilating duct (7) through riser bar (13); Said ventilating duct (7), aviation turbo oar engine (8), fan (11) and fairing (12) are arranged on the same axis; Said ventilating duct (7) and aviation turbo oar engine (8) are arranged on the lifting table (4); The exhausr port of said aviation turbo oar engine (8) is provided with the mozzle (9) of three-dimensional; Tandem place of mozzle (9) is provided with steering hardware (15); Mozzle (9) is connected with the exterior remote air-supply flexible pipe of ventilating duct (7) (14), and said ventilating duct (7) exit end is provided with thin water fog applicator (10).
4. the multi-functional air-supply arrangement of big discharge capacity of aero-engine drive fan according to claim 3; It is characterized in that; Said fan (11) comprises by the flabellum (16) of 4-12 sheet aluminum alloy or the manufacturing of carbon fiber high-strength degree light material and forming; Flabellum (16) is inserted in the flabellum petiole (17) on the flabellum frame and with eccentric shaft (18) and is connected, and eccentric shaft (18) is arranged in the horizontal concrete chute of the slide block (19) that can move along fan (11) axis direction, and cylinder (20) is connected with slide block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205421210U CN202357950U (en) | 2011-12-16 | 2011-12-16 | Large-displacement multifunctional air supply device of aircraft engine driving fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205421210U CN202357950U (en) | 2011-12-16 | 2011-12-16 | Large-displacement multifunctional air supply device of aircraft engine driving fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202357950U true CN202357950U (en) | 2012-08-01 |
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ID=46569160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205421210U Expired - Fee Related CN202357950U (en) | 2011-12-16 | 2011-12-16 | Large-displacement multifunctional air supply device of aircraft engine driving fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202357950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623524A (en) * | 2012-08-30 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Strong wind smoke exhaust fire vehicle with air fan driven by aero-engine |
-
2011
- 2011-12-16 CN CN2011205421210U patent/CN202357950U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623524A (en) * | 2012-08-30 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Strong wind smoke exhaust fire vehicle with air fan driven by aero-engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20181216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |