CN200995017Y - Fire-service system and water tender - Google Patents
Fire-service system and water tender Download PDFInfo
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- CN200995017Y CN200995017Y CN 200620061940 CN200620061940U CN200995017Y CN 200995017 Y CN200995017 Y CN 200995017Y CN 200620061940 CN200620061940 CN 200620061940 CN 200620061940 U CN200620061940 U CN 200620061940U CN 200995017 Y CN200995017 Y CN 200995017Y
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Abstract
The utility model relates to a fire system, which comprises a water pump, a water hose, a fire hose nozzle, and an external power source or an electric generator connected with the electrical motor of the water pump. The utility model is characterized in that the water pump is a submersible pump, the submersible pump comprises a pump casing, an electrical motor equipped in the pump casing, and a two stage or more than two stage impeller set equipped in the cylindrical empty cavity of the pump casing, a water inlet is arranged between the electrical motor and the impeller set, the impeller set is coaxially equipped on a impeller axle in series, and the impeller axle is fixed on a electrical motor axle or is coaxial with the electrical motor axle; the end of the submersible pump equipped with the impeller set is connected with the water hose, and the other end of the water hose is connected with the fire hose nozzle.
Description
Technical field
The utility model relates to a kind of fire-fighting system and fire tanker, particularly relates to a kind of fire-fighting system and fire tanker that a kind of forest fire prevention and control is used.
Background technology
For the mountain topography landforms, the forest zone is with a varied topography, physical features is precipitous and perilous, grass irritates in great numbers, vegetation abundant, in case generation forest fire, fire intensity greatly, fast at top speed, with wind fire-extinguisher, No. two forest fires of directly putting out a fire to save life and property such as instrument, fire extinguisher bomb and backpack Fire water syringe, its difficulty is very big, dangerous high, particularly controls crown fire, goes up mountain fire duration and degree of heating, high strength live wire, above conventional fire suppression instrument is powerless especially, can only hope fire heave a sigh.
Water can restrain fire, and is the most general, the most cheap, the most effective natural extinguishing chemical, is the forest fires saving method of current a lot of forestry developed country first-selection with the water fire extinguishing.More existing economic conditions place have preferably taken the lead in using water pump, waterwheel, the fire extinguishing of backpack hydraulic giant.But the water source of water fire extinguishing is subjected to the restriction that high slope, mountain, the scene of a fire is steep and distance is far away.The restriction that the backpack hydraulic giant is put out a fire and loaded heavily and do not have follow-up water source supply on the scene of a fire generally only is used to mop up, and can't be used for effectively controlling live wire, particularly high-intensity live wire.Waterwheel cost height is limited by landform, and is to some vehicles place that is beyond one's reach, inapplicable.
Existing fire-fighting system is carried out the task driven water pump with the driven by motor belt pulley usually, and the delivery port of water pump is connected with water-supply-pipe, and lift is little; In order to realize the lift of certain altitude, normally place a water pump at certain altitude, by multistage water pump polyphone, step by step water is extracted into the height that needs." multistage refute connect, unlimited water delivery " application model of current this water pump fire extinguishing on the one hand, because of the pressure imbalance that draws water between pump and the pump, often occurs finding time the water band and the phenomenon that crashes, generally can't water delivery to live wire, can not effectively bring into play effect with the water fire extinguishing; On the other hand, increase cost and transportation difficulty, particularly owing to need to install the different places of a plurality of water pumps at differing heights, set-up time is long, to the occasion of some landform more complicated, also possibly can't install, because the prolongation of set-up time, postponing of attack time increases the fire extinguishing difficulty greatly.
Forest fire occurs in the forest mountain region, and high slope, mountain is steep, and road is obstructed, water source difficulty, and forest fire does not need big flow with the water fire extinguishing, but needs remote high-lift water delivery.Therefore, the forest fire prevention and control water pump should adopt than low discharge, more high-lift, than the equipment of light weight, smaller size smaller so that carry and in the mountain region operation, and the urban fire control pump equipment that directly application traffic is bigger than normal, lift is on the low side, size and weight are not easy to go up a hill.
Existing this fire-fighting system, the one, not enough with water fire extinguishing understanding to forest, not walking to get out of the wood on concept also needs big flow, high hydraulic pressure and long-range mistaken ideas with the water fire extinguishing; The 2nd, not enough to forest with the application theory and the model study of water fire extinguishing, the characteristics that forest fire spreads have determined the dynamic of live wire, thereby form that scene of a fire area constantly enlarges, live wire constantly extends, to this, lack targetedly and effectively implement the application model of " divide forces surround, multiple penetration "; The 3rd, water is not to be available anywhere, under the specified conditions of forest zone, to use and put out a fire with water, must at first solve the water source and obtain, carry and ensure, and present water pump can not satisfy forest extinguishing need high-lift, remote water delivery and high pressure resistant, lay fast, divide water needs such as handline flexibly.
Existing fire fighting truck, the fire pump of installing on it and generator are installed together into as a whole, carry out the task driven water pump with the driven by motor belt pulley, and the delivery port of water pump is connected with water-supply-pipe, and water-supply-pipe is connected with hydraulic giant, this fire fighting truck, and lift is little; In order to realize the lift of certain altitude, normally place a fire fighting truck as terminal at certain altitude, by multistage waterwheel polyphone, step by step water is extracted into the height that needs." multistage refute connect, unlimited water delivery " application model of current this fire fighting truck fire extinguishing on the one hand, because of the pressure imbalance that draws water between pump and the pump, often occurs finding time the water band and the phenomenon that crashes, generally can't water delivery to live wire, can not effectively bring into play effect with the water fire extinguishing; On the other hand, increase cost greatly.Existing fire fighting truck all uses the driver of constant frequency rate, and the motor one of water pump starts, and just reaches the rated power of motor, impacts greatly, and stability is bad, and pump damages easily.
Summary of the invention
The purpose of this utility model is to provide a kind of and improves lift to satisfy the fire-fighting system of fire-fighting needs by the pressure that increases fire pump.
Realize a kind of fire-fighting system of the present utility model, comprise water pump, water band and establish hydraulic giant, the motor of water pump is electrically connected with external power source or generator, water pump is an immersible pump, immersible pump comprises pump case, be installed in the motor in the pump case and be installed in secondary in the cylindrical cavity of pump case or the impeller sets of the above series connection of secondary, be provided with water inlet on the pump case between motor and the impeller sets, impeller sets is coaxial to be installed in series on impeller shaft, and impeller shaft is fixed on the motor shaft or is coaxial with motor shaft; The end that immersible pump is installed impeller sets is connected with the water band, the other end of water band with establish hydraulic giant and be connected.Adopt the fire pump of immersible pump structure, lift height, single pump fed distance are far away; Can not occur because of the pressure imbalance that draws water between pump and the pump phenomenon that the water band crashes that occurs finding time; On the other hand, reduce cost.
As improvement, described impeller sets comprises propeller, impeller, the end cap of installing successively, border at propeller and impeller is provided with back-up ring, at first blade that is provided with on the propeller more than three or three, on impeller, be provided with second blade identical with the first blade number and that the position is corresponding, propeller is fixed on the impeller shaft, and impeller is articulated on the impeller shaft, and end cap passes impeller shaft.The technical program and the existing structure that is not both impeller sets that is used for the immersible pump maximum of heavy duty service.When drawing water, impeller shaft is along with motor shaft rotates together, impeller shaft drives the propeller that is fixed on the impeller shaft and rotates, the irregular rotation under angle of rake effect of the impeller of impeller sets, back-up ring, end cap, thereby the propulsion mode of formation spiral isolation, increased hydraulic pressure, make the water supply distance, the lift height, and volume is little, do not need certain altitude that a fire pump is installed again, and only needs to move water pipe to need position and gets final product, install fast, conveniently, not limited by landform, applied widely, can satisfy the needs of fire-fighting.
As improvement, propeller also comprises central shaft, first wheel and second wheel hub, first blade places between the first wheel and second wheel hub, form first guiding gutter more than three or three between first wheel, first blade, second wheel hub, be provided with second through hole that cooperates with impeller shaft in central shaft, propeller is fixed on the impeller shaft by second through hole; Impeller also comprises third round hub and four-wheel hub, second blade places between third round hub and the four-wheel hub, form second guiding gutter identical between third round hub, second blade, the four-wheel hub, be provided with the third through-hole that cooperates with angle of rake central shaft at the center of impeller with the first guiding gutter number; Angle of rake second wheel hub is supported on the third round hub of impeller, and angle of rake central shaft is articulated in the third through-hole of impeller, and end cap is installed on the propeller, and back-up ring is installed in outside impeller and the propeller; Form the water stream channel of periphery sealing between second guiding gutter of the through hole of end cap, angle of rake first guiding gutter, impeller and back-up ring; End cap and impeller between two adjacent impeller sets are installed together, and form the water stream channel of periphery sealing between the impeller sets.Propeller, impeller and end cap adopt this mode, and the width of the cross section of simple in structure, good seal performance, water stream channel constantly changes, and can further increase hydraulic pressure, makes the water supply distance, the lift height.
As improvement, the direction that deviates from first wheel along the neighboring of angle of rake first wheel small end is provided with first centring ring, and first centring ring is installed in first through hole of end cap and with first through hole and cooperates, and makes easy to assembly.Big end along the neighboring of the four-wheel hub of impeller is provided with second centring ring towards the direction of four-wheel hub small end, is provided with first step portion on second centring ring, and the inner rim of back-up ring cooperates with the neighboring of first step portion, is convenient to assembling and sealing water stream channel.Be provided with the 3rd stage portion and the 4th stage portion on end cap, the neighboring of the 3rd stage portion cooperates with the inner rim of back-up ring, and the neighboring of the 4th stage portion cooperates with the inner rim of second centring ring, is convenient to assembling and sealing water stream channel.
As improvement, the maximum outside diameter of end cap, back-up ring, second centring ring equates, is convenient to be seated in the pump case.
As improvement, the progression of described impeller sets is 30 grades to 74 grades, propeller first blade number be 3 to 12, make single pump water delivery distance/lift can reach 2500m/100m～1500m/200m.
The angle of rake first wheel and second wheel hub are opening umbrella in the same way, and first wheel is parallel with second wheel hub.The third round hub of impeller and four-wheel hub are opening umbrella in the same way, and third round hub four-wheel hub is parallel, and this shape helps increasing hydraulic pressure.Between the third through-hole of impeller and angle of rake central shaft, rubber washer is installed, can reduces friction and collision mutually between angle of rake central shaft and the impeller, make fire pump durable.The maximum of first wheel is greater than the maximum outside diameter of second wheel hub, the maximum outside diameter of four-wheel hub is greater than the maximum outside diameter of third round hub, the maximum outside diameter of second wheel hub and third round hub is basic identical, and it is smooth and easy to be convenient to current, thereby increases the water delivery distance of fire pump and increased lift; The hand of spiral of first blade is opposite with the hand of spiral of second blade.
As improvement, pump case is cylindrical, is convenient to make; Propeller, impeller, end cap, back-up ring are stainless steel material, have increased wearability and sealing, and be not high to water quality requirement, because stainless steel material is when rotating at a high speed, can be not the same with plastic material, can produce bigger distortion, but thereby pump housing traverse, tiltedly put, place vertically and adapt to various water quality.
As further improvement, on generator, be provided with zero and drive variable frequency drives, use zero to drive variable frequency drives, during the electric motor starting of water pump, progressively reach the rated power of motor, thereby impact for a short time, good stability, pump are not easy to damage and send out; Motor separates with water pump, can increase the volume of water tank.Zero driving variable frequency drives is a universal frequency converter, can adopt the easily frequency converter of the EDS1000 series 0.4-11kw of energy electrical technology Co., Ltd production of Shenzhen.
A kind of fire fighting truck that has above-mentioned fire-fighting system, comprise the car body, on the car body, water tank is installed, water pump is disposed across in the water tank, one end of water pump installation impeller sets exposes water tank and is connected with the water band, the other end of water band with establish hydraulic giant and be connected, generator separates with water pump and is installed on the car body, zero drives variable frequency drives is installed on the motor because immersible pump lift height, the fed distance of fire-fighting system are far away; Lead to and to place a fire fighting truck as terminal, multistage fire fighting truck polyphone at certain altitude, when step by step water being extracted into the height that needs, " multistage refute connect, unlimited water delivery " application model of this fire fighting truck fire extinguishing, can be because of the pressure imbalance that draws water between pump and the pump yet, and occur finding time the water band and the phenomenon that crashes.
The beneficial effect of the utility model fire-fighting system is because the fire pump of fire-fighting system has adopted the immersible pump structure of similar heavy duty service, and has increased propeller, thereby forms the propulsion mode that spiral is isolated, increased propelling hydraulic pressure, make the water supply distance, the lift height draws water easily; Single pump water delivery distance/lift can reach 2500m/50m～1000m/200m, and the per hour effective water delivery flow/lift of water pump can reach 6.0m/50m～3.0m/2000m; And volume is little, installation is quick, convenience, is not subjected to landform restriction, applied widely; Propeller, impeller adopt stainless steel material, have increased wearability and sealing, and be not high to water quality requirement, because stainless steel material is when rotating at a high speed, can be not the same with plastic material, can produce bigger distortion, but thereby pump housing traverse, tiltedly put, place vertically and adapt to various water quality.
The beneficial effect of the utility model fire fighting truck is because the fire pump of fire-fighting system has adopted the immersible pump structure of similar heavy duty service, the water supply distance, and the lift height draws water easily; Be provided with zero and drive variable frequency drives on generator, impacts for a short time, good stability, pump are not easy to damage.
Description of drawings
Fig. 1 is the schematic diagram that immersible pump of the present invention is connected with its external equipment.
Fig. 2 cuts out the schematic diagram that part impeller sets structure is dissectd along the center for immersible pump of the present invention.
Fig. 3 is a fire fighting truck schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of fire-fighting system, comprise water pump 29, water band 33, generator 32 and establish hydraulic giant 34, water pump 29 separates with generator 32, water pump 29 is an immersible pump, immersible pump comprises columniform stainless steel metal pump case 1, be installed in the motor (not shown) in the pump case 1 and the impeller sets of 52 grades of series connection, on the pump case between motor and the impeller sets, be provided with water inlet 31, impeller sets is coaxial to be installed in series on impeller shaft 2, impeller shaft 2 is the metal shaft of outer-hexagonal type, impeller shaft 2 is electrically connected with generator 32 with the coaxial interlock of motor shaft, the motor of water pump; The end that immersible pump 31 is installed impeller sets is connected with water band 33, the other end of water band 33 with establish hydraulic giant 34 and be connected.
As shown in Figure 2, impeller sets comprises end cap 3, stainless propeller 4, stainless impeller 5, back-up ring 6.
Propeller 4 comprises central shaft 7, six first blades 8, first wheel 9 and second wheel hubs 10.The first wheel 9 of propeller 4 and second wheel hub 10 are opening umbrella in the same way, and first wheel 9 is parallel with second wheel hub 10, and the maximum outside diameter of first wheel 9 is greater than the maximum outside diameter of second wheel hub 10.First blade 8 places between the first wheel 9 and second wheel hub 10, forms three first guiding gutters 11 between first wheel 9, first blade 8, second wheel hub 10.Being provided with second through hole, 12, the second through holes 12 that cooperate with impeller shaft 2 in central shaft 7 is interior hexangle type, and propeller 4 is fixed on the impeller shaft 2 by second through hole 12.The direction that deviates from first wheel 9 along the neighboring of first wheel 9 small ends of propeller 4 is provided with first centring ring 13.
Be provided with at the center of end cap 3 in first through hole 22 that first through hole, 22, the first centring rings 13 are installed in end cap 3 and and cooperate with first through hole 22; The neighboring that is provided with the 3rd stage portion 23 and the 4th stage portion 24, the three stage portion 23 on end cap 3 cooperates with the inner rim of back-up ring 6, and the neighboring of the 4th stage portion 24 cooperates with the inner rim of second centring ring 20.
The maximum outside diameter of end cap 3, back-up ring 6, second centring ring 20 equates that second wheel hub 10 is basic identical with the maximum outside diameter of third round hub 15; The hand of spiral of first blade 8 is opposite with the hand of spiral of second blade 14.
The number of first blade is 3, and immersible pump adopts 52 grades of impeller sets, adopts the long fire hose of 1.5 cun 1200m to make water-supply-pipe, and 3 on water band, gun slot diameter are 15mm, and the gun slot number is one.Measured by global positioning system, the lift of dried up position, last water outlet position is 200 meters, and water yield is 3.2 cubic metres/hour, and the water-jet journey of ejection can satisfy the needs of fire-fighting at 10 meters.
The motion process of fire pump 29 comprises:
Motor shaft rotates under the drive of motor, impeller shaft 2 is along with motor shaft rotates together, impeller shaft 2 drives the individual propeller 4 that is fixed on the impeller shaft 2 of contacting and rotates, the impeller 5 of impeller sets, back-up ring, end cap 3 do not rotate, thereby the propulsion mode of formation spiral isolation, increased hydraulic pressure, make the water supply distance, the lift height, and volume is little, do not need certain altitude that a fire pump 29 is installed again, and only needs to move water pipe to need position and gets final product, install fast, conveniently, not limited by landform, applied widely, can satisfy the needs of fire-fighting.
After having scouted landform, long-range water pump method of operating comprises:
(1) placement devices: connect generator 32 and pump power line, the pump outlet water band 33 of plugging into is put into water body with water pump; (2) start: key starter-generator 32, the out-put supply switch that closes connects controller, and operation control starts water pump, and the synchronous output water that draws water is put out the fire; (3) shutdown: the operation control termination of pumping, close down the out-put supply switch and disconnect controller, key is turned off generator 32; (4) reclaimer: open the sluicing pressure-reducing valve and discharge water with pressure, remove water pump water outlet saliva band 33, order is taken out water body with water pump, and it is own with the pump power line to remove generator 32, recycle-water band 33.
Long-range water pump operation notice: (1) checks whether power line is damaged, with anticreep; (2) should explore the way earlier before the lay out 33 and open and repair the lay passage, to reach smooth shop band; (3) strict follow procedure is started shooting, is shut down, otherwise can influence the life-span of this equipment; (4) must open the pumping hole drain valve before the recycle-water band 33, treat that water in the water band 33 racks up after, could disconnect.
As different from Example 1, the number of first blade is 3, and immersible pump adopts 52 grades of impeller sets, adopts the long fire hose of 1.5 cun 1200m to make water-supply-pipe, and 3 on water band, gun slot diameter are 15mm, and the gun slot number is one.Measured by global positioning system, the lift of dried up position, last water outlet position is 170 meters, and water yield is 3.2 cubic metres/hour, and the water-jet journey of ejection can satisfy the needs of fire-fighting at 7.5 meters.
Embodiment 3
As different from Example 2, the number of first blade is 5, adopts the long fire hose of 1.5 cun 1200m to make water-supply-pipe, and 1 on water band, gun slot diameter are 5mm, and the gun slot number is one.Measured by global positioning system, the lift of dried up position, last water outlet position is 200 meters, and water yield is 3.0 cubic metres/hour, and the water-jet journey of ejection can satisfy the needs of fire-fighting at 10 meters.
Embodiment 4
As different from Example 3, the number of first blade is 7, adopts the long fire hose 33 of 1.0 cun 140m to make water-supply-pipe, and 3 on water band, gun slot diameter are 3mm, and the gun slot number is 2.Measured by global positioning system, the lift of dried up position, last water outlet position is 200 meters, and water yield is 3.0 cubic metres/hour, and the water-jet journey of ejection can satisfy the needs of fire-fighting at 10 meters.
As different from Example 2, the number of first blade is 9, and immersible pump adopts 30 grades of impeller sets, adopts the long fire hose of 1.5 cun 1200m to make water-supply-pipe, and 1 on water band, gun slot diameter are 15mm, and the gun slot number is one.Measured by global positioning system, the lift of dried up position, last water outlet position is 50 meters, and water yield is 2.2 cubic metres/hour, and the water-jet journey of ejection can satisfy the needs of fire-fighting at 4.0 meters.
Embodiment 6
As different from Example 2, impeller sets comprises the end cap of plastics, the propeller of plastics, the impeller of plastics, the back-up ring of plastics.The number of first blade is 12, and immersible pump adopts 75 grades of impeller sets, adopts the long fire hose of 1.0 cun 1250m to make water-supply-pipe, and 2 on water band, gun slot diameter are 15mm, and the gun slot number is one.Measured by global positioning system, the lift of dried up position, last water outlet position is 50 meters, and water yield is 2.2 cubic metres/hour, and the water-jet journey of ejection can satisfy the needs of fire-fighting at 4.0 meters.
As shown in Figure 3, a kind of fire tanker comprises car body 40, water tank 41 is installed on the car body, columniform water pump 29 is disposed across in the water tank 41, and the end that water pump 29 is installed impeller sets exposes water tank 41 and is connected with water band 33, the other end of water band 33 with establish hydraulic giant 34 and be connected.Generator 32 separates with water pump 29 and is installed on the car body 40, and zero drives variable frequency drives 42 is installed on the motor.Fire-fighting system adopts the fire-fighting system of embodiment 1.
Claims (10)
1, a kind of fire-fighting system, comprise water pump, water band and establish hydraulic giant, the motor of water pump is electrically connected with external power source or generator, it is characterized in that: water pump is an immersible pump, immersible pump comprises pump case, be installed in the motor in the pump case and be installed in secondary in the cylindrical cavity of pump case or the impeller sets of the above series connection of secondary, be provided with water inlet on the pump case between motor and the impeller sets, impeller sets is coaxial to be installed in series on impeller shaft, and impeller shaft is fixed on the motor shaft or is coaxial with motor shaft; The end that immersible pump is installed impeller sets is connected with the water band, the other end of water band with establish hydraulic giant and be connected.
2, a kind of fire-fighting system as claimed in claim 1, it is characterized in that: described impeller sets comprises propeller, impeller, the end cap of installing successively, border at propeller and impeller is provided with back-up ring, at first blade that is provided with on the propeller more than three or three, on impeller, be provided with second blade identical with the first blade number and that the position is corresponding, propeller is fixed on the impeller shaft, and impeller is articulated on the impeller shaft, and end cap passes impeller shaft.
3, a kind of fire-fighting system as claimed in claim 2, it is characterized in that: propeller also comprises central shaft, first wheel and second wheel hub, first blade places between the first wheel and second wheel hub, form first guiding gutter more than three or three between first wheel, first blade, second wheel hub, be provided with second through hole that cooperates with impeller shaft in central shaft, propeller is fixed on the impeller shaft by second through hole; Impeller also comprises third round hub and four-wheel hub, second blade places between third round hub and the four-wheel hub, form second guiding gutter identical between third round hub, second blade, the four-wheel hub, be provided with the third through-hole that cooperates with angle of rake central shaft at the center of impeller with the first guiding gutter number; The third round hub of impeller is supported on angle of rake second wheel hub, and angle of rake central shaft is articulated in the third through-hole of impeller, and back-up ring is installed on impeller and the angle of rake outer border, and end cap is installed on the impeller; Form the water stream channel of periphery sealing between second guiding gutter of the through hole of end cap, angle of rake first guiding gutter, impeller and back-up ring; End cap and propeller between two adjacent impeller sets are installed together, and form the water stream channel of periphery sealing between the impeller sets.
4, a kind of fire-fighting system as claimed in claim 3 is characterized in that: the direction that deviates from first wheel along the neighboring of angle of rake first wheel small end is provided with first centring ring, and first centring ring is installed in first through hole of end cap and with first through hole and cooperates; Big end along the neighboring of the four-wheel hub of impeller is provided with second centring ring towards the direction of four-wheel hub small end, is provided with first step portion on second centring ring, and the inner rim of back-up ring cooperates with the neighboring of first step portion; Be provided with the 3rd stage portion and the 4th stage portion on end cap, the neighboring of the 3rd stage portion cooperates with the inner rim of back-up ring, and the neighboring of the 4th stage portion cooperates with the inner rim of second centring ring;
5, a kind of fire-fighting system as claimed in claim 4 is characterized in that: the maximum outside diameter of end cap, back-up ring, second centring ring equates.
6, a kind of fire pump as claimed in claim 5 is characterized in that: the progression of described impeller sets is 30 grades to 74 grades, described propeller first blade number be 3 to 12.
7, a kind of fire-fighting system as claimed in claim 6 is characterized in that: the angle of rake first wheel and second wheel hub are opening umbrella in the same way, and first wheel is parallel with second wheel hub; The third round hub of impeller and four-wheel hub are opening umbrella in the same way, and third round hub four-wheel hub is parallel; Between the third through-hole of impeller and angle of rake central shaft, rubber washer is installed; The maximum of first wheel is greater than the maximum outside diameter of second wheel hub, and the maximum outside diameter of four-wheel hub is greater than the maximum outside diameter of third round hub, and the maximum outside diameter of second wheel hub and third round hub is basic identical; The hand of spiral of first blade is opposite with the hand of spiral of second blade.
8, a kind of fire-fighting system as claimed in claim 7 is characterized in that: pump case is cylindrical.
9, as the described a kind of fire-fighting system of the arbitrary claim of claim 1 to 8, it is characterized in that: be provided with zero and drive variable frequency drives on described generator, described generator separates with water pump.
10, a kind of fire tanker that comprises the described fire-fighting system of the arbitrary claim of claim 1 to 7, comprise the car body, on the car body, water tank is installed, it is characterized in that: water pump is disposed across in the water tank, the end that water pump is installed impeller sets exposes water tank and is connected with the water band, the other end of water band with establish hydraulic giant and be connected; Generator separates with water pump and is installed on the car body, and zero drives variable frequency drives is installed on the motor.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620061940 CN200995017Y (en) | 2006-07-21 | 2006-07-21 | Fire-service system and water tender |
| US12/374,313 US20090246022A1 (en) | 2006-07-21 | 2007-03-14 | Fire fighting pump and its operating methods |
| PCT/CN2007/000811 WO2008011769A1 (en) | 2006-07-21 | 2007-03-14 | Fire fighting pump and operation thereof and fire fighting system and fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620061940 CN200995017Y (en) | 2006-07-21 | 2006-07-21 | Fire-service system and water tender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200995017Y true CN200995017Y (en) | 2007-12-26 |
Family
ID=38993435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620061940 Expired - Fee Related CN200995017Y (en) | 2006-07-21 | 2006-07-21 | Fire-service system and water tender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200995017Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451535A (en) * | 2010-10-25 | 2012-05-16 | 薛玉良 | Large fire extinguishing device |
| CN106474644A (en) * | 2016-12-02 | 2017-03-08 | 三汽车制造有限公司 | Water tower fire truck |
-
2006
- 2006-07-21 CN CN 200620061940 patent/CN200995017Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451535A (en) * | 2010-10-25 | 2012-05-16 | 薛玉良 | Large fire extinguishing device |
| CN106474644A (en) * | 2016-12-02 | 2017-03-08 | 三汽车制造有限公司 | Water tower fire truck |
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