CN204952017U - Fire -fighting truck - Google Patents
Fire -fighting truck Download PDFInfo
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- CN204952017U CN204952017U CN201520464369.8U CN201520464369U CN204952017U CN 204952017 U CN204952017 U CN 204952017U CN 201520464369 U CN201520464369 U CN 201520464369U CN 204952017 U CN204952017 U CN 204952017U
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Abstract
The utility model relates to a fire -fighting truck, it includes the automobile body and sets up the high compression pump on the automobile body, high pressure gasholder, the dry powder jar, electric cabinet and the controllable feeding device of controlling through the electric cabinet, the gas outlet end of high compression pump passes through gas pipeline and is connected with high pressure gasholder, last check valve and the manometer of being equipped with of gas pipeline, high pressure gasholder passes through gas pipeline and is connected with a plurality of gas accesses of dry powder jar, the dry powder jar includes gas powder mixture portion and throttle release portion, be equipped with the gas passage between gas powder mixture portion and the throttle release portion, be equipped with the automatically controlled check valve of following gas powder mixture portion and accessing to throttle release portion in the gas passage, be equipped with the atmospheric pressure detection part in the gas powder mixture portion, a plurality of gas accesses distribute on the casing of gas powder mixture portion, be equipped with the atmospheric pressure detection part in the throttle release portion, the gas outlet of the release portion that throttles is connected with the feed inlet of controllable feeding device. The utility model discloses a fire -fighting truck has improved the structure of dry powder jar, the atomization effect of dry powder has been strengthened, and simultaneously, dry powder can be throttled in transportation process many times, mixed, the pressure boost, the acceleration rate, can prevent effectively that the dry powder deposit is on the pipeline wall, the concentration of dry powder in the assurance air current, when the air current carries dry powder arrival shower nozzle, bulking through the shower nozzle, the throttle, mixed, the pressure boost, the acceleration rate, the water conservancy diversion, effects such as orderly popped water conservancy diversion, it arrives the ignition point with certain impact force to make the air current carry dry powder, block the rising of flame, reach the effect of putting out a fire fast.
Description
Technical field
The utility model relates to fire-fighting equipment field, is specially a kind of fire fighting truck with dry powder, above-water method and foam fire-fighting function.
Background technology
Along with rapid economic development, the personnel that fire causes and economic loss also increasing, when there is large fire, fire fighting truck can be adopted to put out a fire, and existing fire fighting truck has plenty of by above-water method, has plenty of by foam fire-fighting, and what have passes through extinction using gas.But also not having at present can high-altitude dry-chemical fire extinguishing, again can the fire fighting truck of low latitude fire extinguishing, only there is dry powder extinguisher at present.The advantage of dry-chemical fire extinguishing is; can not impact fire extinguishing object as above-water method and soak infringement; can not cause corrosion-damaged as foam fire-fighting to fire extinguishing object; without secondary damage and pollution; certain protection can be formed to fire extinguishing object; fire extinguishing terminates rear removal dry powder, and the article of scene of fire can also normally use, therefore, it is possible to reduce the loss that causes of fire to greatest extent.Important goods and materials are deposited at some, such as, when the place of the goods and materials such as grain, food, medicine, tobacco, cotton, war preparedness catches fire, if use water or foam fire-fighting, the secondary damage brought after these goods and materials can be caused to put out a fire and seriously polluted, the advantage of dry-chemical fire extinguishing is more obvious.Existing dry powder extinguisher is in high pressure gas holder, add a certain amount of dry powder, and is filled with the gas of certain pressure, opens air valve in use, the dry powder ejection that gases at high pressure in gas tank carry in gas tank is put out a fire, the shortcoming of this dry powder extinguisher is that spray regime is limited, and dry powder atomizing effect is poor, in the gas of ejection, dry powder concentration is low, and dry powder uneven concentration, therefore, on-the-spot in the disaster relief, only can closely use, and result of use is poor.Therefore, need to design dry powder fire-engine, meet the fire extinguishing demand of scene of fire.The patent No. is 201320890833.0 patent documents being called a kind of large discharge dry powder fire-engine, disclose a kind of large discharge dry powder fire-engine, car body is provided with dry powder can and source of the gas, source of the gas is got involved in described dry powder can by the valvular high-pressure air pipe of band, source of the gas adopts the non-combustion-supporting gas tank of high pressure or blower fan, enters in dry powder can, carry dry powder by gases at high pressure, then by the height that dry powder Cemented filling is extremely certain, gases at high pressure are made to carry dry powder ejection by shower nozzle.The shortcoming of this dry powder fire-engine is: the atomizing effect of dry powder is poor, and gases at high pressure pass through from dry powder can, and carry dry powder and export, dry powder cannot realize sufficient mixing with gas; Along with the minimizing of dry powder amount in dry powder can, the dry powder carried also can be fewer and feweri, and effect worse and worse; Gas carries dry powder by after pressure piping rising certain altitude, and dry powder is affected by gravity, and the dry powder amount of carrying in gas can constantly reduce, a large amount of dry powder can be deposited in conveyance conduit, cannot be injected into scene of fire, therefore, extinguishing effect can be very poor, cannot quick extinguishing.Although and dry powder can has been contained on automobile by this dry powder fire-engine, what it drove employing is non-combustion-supporting gas tank or blower fan, need to arrange driving separately, take certain volume, fail to make full use of the driving advantage of automobile, therefore, need to make improvements.And the spray head designs of large discharge dry powder fire-engine is unreasonable disclosed in this patent document, when air-flow passes through, lack guide functions, jet-impingement power is weak, and jet length is short, cannot be formed to impact to naked light to block, cannot quick extinguishing.
Summary of the invention
The purpose of this utility model is that the dry powder existed for fire fighting truck pointed existing in background technology cannot fully be atomized, certain concentration is kept to spray, dry powder is when being delivered to certain altitude, part dry powder can be deposited on conveyance conduit wall because of gravity effect, make dry powder concentration in dry powder fog lower, the problem of extinguishing effect difference, provides a kind of fire fighting truck that can solve foregoing problems.
The technical scheme realizing goal of the invention of the present utility model is as follows:
A kind of fire fighting truck, it comprises car body and is arranged on the high-pressure pump on car body, high pressure tank, dry powder can, electric cabinet and the controlled feeding device controlled by electric cabinet, the gas output end of high-pressure pump is connected with high pressure tank by gas pipeline, gas pipeline is provided with check-valves and Pressure gauge, high pressure tank is connected with multiple gas accesses of dry powder can by gas pipeline, dry powder can comprises gas powder mixing unit and throttling release portion, gas passage is provided with between gas powder mixing unit and throttling release portion, the automatically controlled check valve leading to throttling release portion from gas powder mixing unit is provided with in gas passage, air pressure detection part is provided with in gas powder mixing unit, described multiple gas accesses are distributed on the housing of gas powder mixing unit, air pressure detection part is provided with in throttling release portion, the gas vent of throttling release portion is connected with the charging aperture of controlled feeding device.
In order to the function making fire fighting truck possess dry-chemical fire extinguishing, above-water method and foam fire-fighting simultaneously, described car body is also provided with liquid fire extinguishing assembly, liquid fire extinguishing assembly comprises liquid reserve tank, the inlet of liquid reserve tank is connected with drawing liquid pump, pressure liquid pump is provided with in liquid reserve tank, the logical fluidic interface of the sluice valve that the drain pipe of pressure liquid pump controls with electric cabinet is connected, the ventilation interface of sluice valve is connected by gas pipeline with the gas vent of described throttling release portion, and the discharging opening of sluice valve is connected with the charging aperture of controlled feeding device.The passage of sluice valve is controlled by electric cabinet, in actual applications, first use dry-chemical fire extinguishing, after the dry powder in dry powder can is finished, logical fluidic interface and the discharging opening conducting of sluice valve is controlled by electric cabinet, by pressure liquid pump, the water in liquid reserve tank or foam are delivered to controlled feeding device, carry out above-water method or foam fire-fighting.Make to fire-fight by water or foam fire-fighting process in, can the dry powder retained in pipeline be washed away totally, use in order to next time.
For the ease of shower nozzle rapid alignment fire location, quick extinguishing, described controlled feeding device comprises rotating seat, can auto-folder conveying pipeline, The Cloud Terrace, shower nozzle, camera and jump bit, rotating seat is arranged on car body, can be fixed on rotating seat by auto-folder conveying pipeline, The Cloud Terrace is arranged on can the top of auto-folder conveying pipeline, shower nozzle, camera and jump bit are arranged on The Cloud Terrace, shower nozzle is controlled by electric cabinet, the direction of camera and jump bit and angle, rotating seat rotation direction is controlled by electric cabinet, being controlled by electric cabinet can auto-folder conveying pipeline flexible, jump bit is in hydraulic hammer or pneumatic hammer.When putting out a fire, because the window of some building is closed, cannot directly to the ignition point ejecting extinguishing medium of indoor, so will first use electric cabinet can be adjusted to the window place of building by auto-folder conveying pipeline, then control jump bit, window is broken, then according to the scene that camera is seen, adjust shower nozzle by electric cabinet, ignition point is sprayed, reaches the object after going out fast.Jump bit can select the jump bit of Driven by Hydraulic Cylinder or the jump bit of air cylinder driven.
Shower nozzle described in such scheme comprises connecting portion, expanded portion, sphere supercharging plug and diversion division, connecting portion is connected with the right side one in expanded portion with its left side, expanded portion is connected with the right side one of diversion division with its left side, inside, expanded portion from right to left cavity diameter increases gradually, sphere supercharging plug is arranged on the junction of expanded portion and diversion division, the sphere of sphere supercharging plug protrudes towards diversion division side, sphere supercharging plug is provided with main air flow passage, main air flow passage is axle centered by the axis of the sphere of sphere supercharging plug, sphere supercharging plug is also distributed with several auxiliary flow path, position relative with main air flow passage on diversion division is provided with major flow passage, position relative with each auxiliary flow path on diversion division is provided with auxiliary flow-guiding channel, the outer baffle liner that diameter from right to left expands gradually is provided with in the left side of diversion division, auxiliary diversion division is provided with on the left end outlet side of each auxiliary flow-guiding channel, auxiliary diversion division is convexly curved towards major flow passage side, the two ends of auxiliary diversion division are connected with outer baffle liner, outer baffle liner and auxiliary diversion division form closed guiding gutter around each auxiliary flow-guiding channel, each auxiliary diversion division surrounds closed leading chute around major flow passage.When carrying the air-flow arrival shower nozzle of dry powder, first arrive the expanded mixing in an orderly manner of expanded portion, then throttling supercharging on the right side of sphere supercharging plug, then air-flow is by the main air flow passage on sphere supercharging plug and auxiliary flow path, again by major flow passage and the further supercharging water conservancy diversion of auxiliary flow-guiding channel of diversion division, form the air-flow post carrying certain dry powder amount of certain pressure, after air-flow post is gone out from major flow passage and auxiliary flow-guiding channel, water conservancy diversion is carried out under the effect of baffle liner and auxiliary guide face outside again, make it progressively expanded in an orderly manner, keep certain pressure homed on its target position, far firing range, and, when air-flow arrives ignition point, carry certain density dry powder, there is again certain impulsive force simultaneously, impact the rising that can block flame chain on naked light fast, reach the effect of rapid Cover fire extinguishing.
Entering main air flow passage and auxiliary flow path smoothly when arriving sphere supercharging plug to enable air-flow, the right flank of described sphere supercharging plug being positioned at main air flow passage and the other arc convex be equipped with to the right of auxiliary flow path.The impacting rebound of air-flow to sphere supercharging plug can be eliminated by this set, when air-flow arrives sphere supercharging plug, understand in the main air flow passage that enter more swimmingly between arc convex and auxiliary flow path under the effect of arc convex.
In such scheme, the medial surface of described auxiliary diversion division near major flow passage side is from right to left towards outer baffle liner curving, pass through this set, the aperture of leading chute expands gradually from right to left, the lateral surface of auxiliary diversion division near auxiliary flow-guiding channel side is from right to left towards major flow passage curving, by this set, the aperture of auxiliary guiding gutter expands gradually from right to left.Air-flow to leave after major flow passage and auxiliary flow-guiding channel under the effect of leading chute and auxiliary guiding gutter can expanded in an orderly manner and water conservancy diversion further, makes air-flow keep certain direction and pressure to spray to the direction of naked light.
Above-mentioned can auto-folder conveying pipeline be that the turning joint that more piece pipeline is controlled by electric cabinet is formed by connecting, and pipeline is steel pipe, from rotating seat to can the diameter of top pipeline of auto-folder conveying pipeline reduce gradually.Existing pipeline normally straight pipeline, some pipelines additionally use flexible pipe for the ease of folding and unfolding, air-flow carries dry powder along in pipeline advance process, along with the increase of stroke, the pressure of air-flow can reduce gradually, having part dry powder is attached on duct wall, therefore, when air-flow arrives shower nozzle, the dry powder quantity not sufficient of carrying, air pressure is lower, also the effect of fire extinguishing cannot be reached, the utility model have employed steel pipe, be convenient to keep stream pressure, simultaneously, the diameter of pipeline reduces by design proportion coupling from bottom to up, the reduction of the flow velocity far caused because of stroke can be compensated, the air-flow carrying dry powder is made to keep certain flow velocity to advance, prevent dry powder deposition on duct wall, simultaneously, pipeline adopts the pipeline of turning joint, at joint part, the air-flow carrying dry powder runs into throttle resistance and can mix dry powder formation again, prevent dry powder deposition on duct wall, increase stream pressure simultaneously, accelerate air velocity.
In order to ensure to keep certain air pressure in high pressure tank, prevent air pressure excessive, the gas pipeline between above-mentioned high pressure tank and dry powder can is provided with pressure-reducing valve, dry powder can check-valves and electric gate valve.Arranging dry powder can check-valves can prevent the air-flow in dry powder can from entering in high pressure tank by pipeline, is controlled the opening and closing of electric gate valve, can control high pressure tank and inflate in dry powder can by electric cabinet.
In order to prevent the water in liquid reserve tank to be back to drawing liquid pump, the ventilating water pipe between above-mentioned drawing liquid pump and liquid reserve tank is provided with liquid reserve tank check-valves.
Conveniently provide power to high-pressure pump, above-mentioned high-pressure pump is connected with the PTO of car body.
The advantage of fire fighting truck of the present utility model is: fire fighting truck of the present utility model improves the structure of dry powder can, enhance the atomizing effect of dry powder, simultaneously, dry powder can repeatedly throttling in course of conveying, mixing, supercharging, speedup, can effectively prevent dry powder deposition on duct wall, ensure the concentration of dry powder in air-flow, when air-flow carries dry powder arrival shower nozzle, expanded by shower nozzle, throttling, mixing, supercharging, speedup, water conservancy diversion, the effects such as orderly expanded water conservancy diversion, make air-flow carry dry powder and arrive ignition point with certain impulsive force, block the rising of flame chain, reach the effect of rapid Cover fire extinguishing.Fire fighting truck of the present utility model directly can adopt the power source of power take-off mechanism as high-pressure pump of fire fighting truck itself, and structure is compacter, is convenient to rapid deployment fire extinguishing.Dry-chemical fire extinguishing and above-water method, foam fire-fighting can combine by fire fighting truck of the present utility model, put out a fire selectively according to actual conditions.Shower nozzle of the present utility model can solve that existing shower nozzle exists well cannot water conservancy diversion, and air-flow can be expanded fast after leaving shower nozzle, and impulsive force is weak, cannot cutting flame, the problem of extinguishing effect difference.
Accompanying drawing explanation
Fig. 1 is the structural representation of fire fighting truck of the present utility model;
Fig. 2 is the side view of the shower nozzle of fire fighting truck of the present utility model;
Fig. 3 is that the A-A of the shower nozzle of fire fighting truck in Fig. 2 is to cross-sectional schematic;
In figure, 1 is car body, 2 is high-pressure pump, 21 is check-valves, 22 is Pressure gauge, 3 is high pressure tank, 31 is pressure-reducing valve, 32 is dry powder can check-valves, 321 is air pressure detection part, 33 is electric gate valve, 4 is dry powder can, 41 is gas powder mixing unit, 42 is throttling release portion, 43 is check valve, 44 is gas access, 45 is gas vent, 5 is electric cabinet, 6 is controlled feeding device, 61 is rotating seat, 62 is can auto-folder conveying pipeline, 621 is steel pipe, 622 is turning joint, 7 is The Cloud Terrace, 71 is shower nozzle, 711 is connecting portion, 712 is expanded portion, 713 is sphere supercharging plug, 713a is main air flow passage, 713b is auxiliary flow path, 713c is arc convex, 714 is diversion division, 714a takes circulation road as the leading factor, 714b is auxiliary flow-guiding channel, 714c is outer baffle liner, 714d is auxiliary guide face, 72 is camera, 73 is jump bit, 8 is above-water method assembly, 81 is liquid reserve tank, 811 is liquid reserve tank check-valves, 82 is drawing liquid pump, 83 is pressure liquid pump, 84 is sluice valve.
Detailed description of the invention
Referring to figs. 1 through a kind of fire fighting truck shown in Fig. 3, it high-pressure pump 2 comprising car body 1 and be arranged on car body 1, high pressure tank 3, dry powder can 4, electric cabinet 5 and the controlled feeding device 6 controlled by electric cabinet 5, the gas output end of high-pressure pump 2 is connected with high pressure tank 3 by gas pipeline, gas pipeline is provided with check-valves 21 and Pressure gauge 22, high pressure tank 3 is connected with multiple gas accesses 44 of dry powder can 4 by gas pipeline, dry powder can 4 comprises gas powder mixing unit 41 and throttling release portion 42, gas passage is provided with between gas powder mixing unit 41 and throttling release portion 42, the automatically controlled check valve 43 leading to throttling release portion 42 from gas powder mixing unit 41 is provided with in gas passage, air pressure detection part 321 is provided with in gas powder mixing unit 41, described multiple gas accesses 44 are distributed on the housing of gas powder mixing unit 41, air pressure detection part 321 is provided with in throttling release portion 42, the gas vent 45 of throttling release portion 42 is connected with the charging aperture of controlled feeding device 6.Above-mentioned air pressure detection part 321 can select Pressure gauge 22 or pressure sensor, and pressure sensor is connected with electric cabinet 5 signal, when pressure exceedes the pressure upper limit of gas powder mixing unit 41 or throttling release portion 42, opens safety valve, air pressure inside is reduced.Meanwhile, arranging air pressure detection part 321 can the handled easily personnel air pressure situation of venting one's spleen in powder mixing unit 41 and throttling release portion 42, under suitable air pressure, opens powder extinguishing system.Such as, the air pressure upper limit in gas powder mixing unit 41 is set to 25 kilograms, the air pressure upper limit in throttling release portion 42 is set to 18 kilograms, when the pressure in gas powder mixing unit 41 reaches 16 kilograms, the check valve 43 between gas powder mixing unit 41 and throttling release portion 42 can be opened, making the gas in gas powder mixing unit 41 carry dry powder enters in throttling release portion 42, gas and dry powder carry out mixing again in throttling release portion 42, fully mix.When the air pressure in throttling release portion 42 reaches 13 kilograms, dry powder can be delivered to controlled feeding device 6, start dry-chemical fire extinguishing.When the air pressure in gas powder mixing unit 41 and throttling release portion 42 reaches upper limit air pressure, open safety valve step-down.
Possesses dry-chemical fire extinguishing to make fire fighting truck simultaneously, the function of above-water method and foam fire-fighting, described car body 1 is also provided with liquid fire extinguishing assembly 8, liquid fire extinguishing assembly 8 comprises liquid reserve tank 81, the inlet of liquid reserve tank 81 is connected with drawing liquid pump 82, pressure liquid pump 83 is provided with in liquid reserve tank 81, the logical fluidic interface of the sluice valve 84 that the drain pipe of pressure liquid pump 83 controls with electric cabinet 5 is connected, the ventilation interface of sluice valve 84 is connected by gas pipeline with the gas vent 45 of described throttling release portion 42, the discharging opening of sluice valve 84 is connected with the charging aperture of controlled feeding device 6.The passage of sluice valve 84 is controlled by electric cabinet 5, in actual applications, first use dry-chemical fire extinguishing, after the dry powder in dry powder can 4 is finished, logical fluidic interface and the discharging opening conducting of sluice valve 84 is controlled by electric cabinet 5, by pressure liquid pump 83, the water in liquid reserve tank 81 or foam are delivered to controlled feeding device 6, carry out above-water method or foam fire-fighting.Make to fire-fight by water or foam fire-fighting process in, can the dry powder retained in pipeline be washed away totally, use in order to next time.
For the ease of shower nozzle 71 rapid alignment fire location, quick extinguishing, described controlled feeding device 6 comprises rotating seat 61, can auto-folder conveying pipeline 62, The Cloud Terrace 7, shower nozzle 71, camera 72 and jump bit 73, rotating seat 61 is arranged on car body 1, can be fixed on rotating seat 61 by auto-folder conveying pipeline 62, The Cloud Terrace 7 is arranged on can the top of auto-folder conveying pipeline 62, shower nozzle 71, camera 72 and jump bit 73 are arranged on The Cloud Terrace 7, shower nozzle 71 is controlled by electric cabinet 5, the direction of camera 72 and jump bit 73 and angle, rotating seat 61 rotation direction is controlled by electric cabinet 5, being controlled by electric cabinet 5 can auto-folder conveying pipeline 62 flexible, jump bit 73 is in hydraulic hammer or pneumatic hammer.When putting out a fire, because the window of some building is closed, cannot directly to the ignition point ejecting extinguishing medium of indoor, so will first use electric cabinet 5 can be adjusted to the window place of building by auto-folder conveying pipeline 62, then control jump bit 73, window is broken, then according to the scene that camera 72 is seen, adjust shower nozzle 71 by electric cabinet 5, ignition point is sprayed, reaches the object after going out fast.Jump bit 73 can select the jump bit 73 of Driven by Hydraulic Cylinder or the jump bit 73 of air cylinder driven.
Shower nozzle 71 described in such scheme comprises connecting portion 711, expanded portion 712, sphere supercharging plug 713 and diversion division 714, connecting portion 711 is connected with the right side one in expanded portion 712 with its left side, expanded portion 712 is connected with the right side one of diversion division 714 with its left side, inside, expanded portion 712 from right to left cavity diameter increases gradually, sphere supercharging plug 713 is arranged on the junction of expanded portion 712 and diversion division 714, the sphere of sphere supercharging plug 713 protrudes towards diversion division 714 side, sphere supercharging plug 713 is provided with main air flow passage 713a, main air flow passage 713a is axle centered by the axis of the sphere of sphere supercharging plug 713, sphere supercharging plug 713 is also distributed with several auxiliary flow path 713b, position relative with main air flow passage 713a on diversion division 714 is provided with major flow passage 714a, position relative with each auxiliary flow path 713b on diversion division 714 is provided with auxiliary flow-guiding channel 714b, the outer baffle liner 714c that diameter from right to left expands gradually is provided with in the left side of diversion division 714, auxiliary diversion division 714 is provided with on the left end outlet side of each auxiliary flow-guiding channel 714b, auxiliary diversion division 714 is convexly curved towards major flow passage 714a side, the two ends of auxiliary diversion division 714 are connected with outer baffle liner 714c, outer baffle liner 714c and auxiliary diversion division 714 form closed guiding gutter around each auxiliary flow-guiding channel 714b, each auxiliary diversion division 714 surrounds closed leading chute around major flow passage 714a.When carrying the air-flow arrival shower nozzle 71 of dry powder, first arrive the expanded mixing in an orderly manner of expanded portion 712, then throttling supercharging on the right side of sphere supercharging plug 713, then air-flow is by the main air flow passage 713a on sphere supercharging plug 713 and auxiliary flow path 713b, again by major flow passage 714a and the further supercharging water conservancy diversion of auxiliary flow-guiding channel 714b of diversion division 714, form the air-flow post carrying certain dry powder amount of certain pressure, after air-flow post is gone out from major flow passage 714a and auxiliary flow-guiding channel 714b, water conservancy diversion is carried out under the effect of baffle liner 714c and auxiliary guide face 714d outside again, make it progressively expanded in an orderly manner, keep certain pressure homed on its target position, far firing range, and, when air-flow arrives ignition point, carry certain density dry powder, there is again certain impulsive force simultaneously, impact the rising that can block flame chain on naked light fast, reach the effect of rapid Cover fire extinguishing.
Entering main air flow passage 713a and auxiliary flow path 713b smoothly when arriving sphere supercharging plug 713 to enable air-flow, the right flank of described sphere supercharging plug 713 being positioned at the other arc convex 713c be equipped with to the right of main air flow passage 713a and auxiliary flow path 713b.The impacting rebound of air-flow to sphere supercharging plug 713 can be eliminated by this set, when air-flow arrives sphere supercharging plug 713, in the main air flow passage 713a that can enter more swimmingly between arc convex 713c under the effect of arc convex 713c and auxiliary flow path 713b.
In such scheme, the medial surface of described auxiliary diversion division 714 near major flow passage 714a side is from right to left towards outer baffle liner 714c curving, pass through this set, the aperture of leading chute expands gradually from right to left, the lateral surface of auxiliary diversion division 714 near auxiliary flow-guiding channel 714b side is from right to left towards major flow passage 714a curving, by this set, the aperture of auxiliary guiding gutter expands gradually from right to left.Air-flow to leave after major flow passage 714a and auxiliary flow-guiding channel 714b under the effect of leading chute and auxiliary guiding gutter can expanded in an orderly manner and water conservancy diversion further, makes air-flow keep certain direction and pressure to spray to the direction of naked light.
Above-mentioned can auto-folder conveying pipeline 62 be that the turning joint 622 that more piece pipeline is controlled by electric cabinet 5 is formed by connecting, and pipeline is steel pipe 621, from rotating seat 61 to can the diameter of top pipeline of auto-folder conveying pipeline 62 reduce gradually.Existing pipeline normally straight pipeline, some pipelines additionally use flexible pipe for the ease of folding and unfolding, air-flow carries dry powder along in pipeline advance process, along with the increase of stroke, the pressure of air-flow can reduce gradually, having part dry powder is attached on duct wall, therefore, when air-flow arrives shower nozzle 71, the dry powder quantity not sufficient of carrying, air pressure is lower, also the effect of fire extinguishing cannot be reached, the utility model have employed steel pipe 621, be convenient to keep stream pressure, simultaneously, the reduced diameter of pipeline from bottom to up, the reduction of the air pressure far caused because of stroke can be compensated, the air-flow carrying dry powder is made to keep certain pressure to advance, prevent dry powder deposition on duct wall, simultaneously, pipeline adopts the pipeline of turning joint 622, at joint part, the air-flow carrying dry powder runs into throttle resistance and can mix dry powder formation again, prevent dry powder deposition on duct wall, increase stream pressure simultaneously, accelerate air velocity.
In order to ensure to keep certain air pressure in high pressure tank 3, prevent air pressure excessive, the gas pipeline between above-mentioned high pressure tank 3 and dry powder can 4 is provided with pressure-reducing valve 31, dry powder can 4 check-valves 32 and electric gate valve 33.Arranging dry powder can 4 check-valves 32 can prevent the air-flow in dry powder can 4 from entering in high pressure tank 3 by pipeline, is controlled the opening and closing of electric gate valve 33 by electric cabinet 5, can control high pressure tank 3 and inflate in dry powder can 4.
In order to prevent the water in liquid reserve tank 81 to be back to drawing liquid pump 82, the ventilating water pipe between above-mentioned drawing liquid pump 82 and liquid reserve tank 81 is provided with liquid reserve tank check-valves 811.
There is provided power conveniently to high-pressure pump 2, above-mentioned high-pressure pump 2 is connected with the PTO of car body 1.
The dry powder can 4 of fire fighting truck of the present utility model is divided into gas powder mixing unit 41 and throttling release portion 42, the design of gas powder mixing unit 41 and throttling release portion 42 can be in same tank body, arrange dividing plate and formed, also can be use two independently tank body, dry powder is stored in gas powder mixing unit 41, the housing of gas powder mixing unit 41 is distributed with multiple gas access 44, gas enters in gas powder mixing unit 41 from different gas accesses 44 simultaneously, dry powder is formed and impacts, dry powder is atomized gradually, when in gas powder blending tank, gas pressure reaches certain numerical value, check valve 43 between gas powder blending tank and throttling release portion 42 is opened, air-flow carries dry powder and enters in throttling release portion 42, when the pressure in throttling release portion 42 reaches predetermined pressure, electric cabinet 5 receives signal prompt, dry-chemical fire extinguishing can be started, control rotating seat 61 by electric cabinet 5 to rotate, and control to stretch by auto-folder conveying pipeline 62, camera 72 and shower nozzle 71 is made to aim at ignition point, then by electric cabinet 5 sluice valve 84, make the gas passage of sluice valve 84 and the discharging opening conducting of sluice valve 84, air-flow carries that dry powder enters into can in auto-folder conveying pipeline 62, be delivered to shower nozzle 71 gradually, air-flow carries dry powder can in auto-folder conveying pipeline 62 in uphill process, because can the internal diameter of the pipeline of auto-folder conveying pipeline 62 reduce gradually, therefore throttling can be carried out to air-flow at joint part, make gas again mix with dry powder simultaneously, increase gas pressure, improve the speed of air-flow, when making air-flow arrive shower nozzle 71, keep certain pressure, air-flow arrives in shower nozzle 71, when expanded portion 712, expanded gradually, throttling again during arrival sphere supercharging plug 713, supercharging, mixing, air-flow carries dry powder by the main air flow passage 713a in sphere supercharging plug 713 and auxiliary flow path 713b, enter into the major flow passage 714a in diversion division 714 and auxiliary flow-guiding channel 714b, air pressure strengthens further, and air-flow carries dry powder formation air-flow post, after air-flow post leaves flow-guiding channel, occur expanded, outer baffle liner 714c and auxiliary guide face 714d carries out water conservancy diversion to the air-flow gone out in auxiliary flow-guiding channel 714b, multiple auxiliary guide face 714d carries out water conservancy diversion to the air-flow gone out in major flow passage 714a, air-flow is made to carry dry powder expanded in an orderly manner, keep certain impulsive force directive ignition point, quick blocking-up flame is to vertical spread, dry powder is injected in ignition point with certain impulsive force, reach the effect of rapid Cover fire extinguishing.In fire extinguishing procedure, if the dry powder in dry powder can 4 is finished using, after electric cabinet 5 receives signal, the electric gate valve 33 controlled between high pressure tank 3 and dry powder can 4 by electric cabinet 5 is closed, the gas passage of sluice valve 84 and discharging opening close, aquaporin and discharging opening conducting, control pressure liquid pump 83 and are gone out by the water pump in liquid reserve tank 81, by shower nozzle 71 can be delivered to by auto-folder conveying pipeline 62, water can be used to carry out continuation fire extinguishing.In the process making to fire-fight by water, by rinsing well by the interior residual dry powder of auto-folder conveying pipeline 62, can use in order to next time.
Above embodiment is the explanation to detailed description of the invention of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from principle spirit and scope of the present utility model; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present utility model.
Claims (10)
1. a fire fighting truck, it is characterized in that: it comprises car body and is arranged on the high-pressure pump on car body, high pressure tank, dry powder can, electric cabinet and the controlled feeding device controlled by electric cabinet, the gas output end of high-pressure pump is connected with high pressure tank by gas pipeline, gas pipeline is provided with check-valves and Pressure gauge, high pressure tank is connected with multiple gas accesses of dry powder can by gas pipeline, dry powder can comprises gas powder mixing unit and throttling release portion, gas passage is provided with between gas powder mixing unit and throttling release portion, the automatically controlled check valve leading to throttling release portion from gas powder mixing unit is provided with in gas passage, air pressure detection part is provided with in gas powder mixing unit, described multiple gas accesses are distributed on the housing of gas powder mixing unit, air pressure detection part is provided with in throttling release portion, the gas vent of throttling release portion is connected with the charging aperture of controlled feeding device.
2. fire fighting truck according to claim 1, it is characterized in that: described car body is also provided with liquid fire extinguishing assembly, liquid fire extinguishing assembly comprises liquid reserve tank, the inlet of liquid reserve tank is connected with drawing liquid pump, pressure liquid pump is provided with in liquid reserve tank, the logical fluidic interface of the sluice valve that the drain pipe of pressure liquid pump controls with electric cabinet is connected, the ventilation interface of sluice valve is connected by gas pipeline with the gas vent of described throttling release portion, and the discharging opening of sluice valve is connected with the charging aperture of controlled feeding device.
3. fire fighting truck according to claim 1, it is characterized in that: described controlled feeding device comprises rotating seat, can auto-folder conveying pipeline, The Cloud Terrace, shower nozzle, camera and jump bit, rotating seat is arranged on car body, can be fixed on rotating seat by auto-folder conveying pipeline, The Cloud Terrace is arranged on can the top of auto-folder conveying pipeline, shower nozzle, camera and jump bit are arranged on The Cloud Terrace, shower nozzle is controlled by electric cabinet, the direction of camera and jump bit and angle, rotating seat rotation direction is controlled by electric cabinet, being controlled by electric cabinet can auto-folder conveying pipeline flexible, jump bit is in hydraulic hammer or pneumatic hammer.
4. fire fighting truck according to claim 3, it is characterized in that: described shower nozzle comprises connecting portion, expanded portion, sphere supercharging plug and diversion division, connecting portion is connected with the right side one in expanded portion with its left side, expanded portion is connected with the right side one of diversion division with its left side, inside, expanded portion from right to left cavity diameter increases gradually, sphere supercharging plug is arranged on the junction of expanded portion and diversion division, the sphere of sphere supercharging plug protrudes towards diversion division side, sphere supercharging plug is provided with main air flow passage, main air flow passage is axle centered by the axis of the sphere of sphere supercharging plug, sphere supercharging plug is also distributed with several auxiliary flow path, position relative with main air flow passage on diversion division is provided with major flow passage, position relative with each auxiliary flow path on diversion division is provided with auxiliary flow-guiding channel, the outer baffle liner that diameter from right to left expands gradually is provided with in the left side of diversion division, auxiliary diversion division is provided with on the left end outlet side of each auxiliary flow-guiding channel, auxiliary diversion division is convexly curved towards major flow passage side, the two ends of auxiliary diversion division are connected with outer baffle liner, outer baffle liner and auxiliary diversion division form closed guiding gutter around each auxiliary flow-guiding channel, each auxiliary diversion division surrounds closed leading chute around major flow passage.
5. fire fighting truck according to claim 4, is characterized in that: the right flank of described sphere supercharging plug is positioned at main air flow passage and the other arc convex be equipped with to the right of auxiliary flow path.
6. fire fighting truck according to claim 4, it is characterized in that: the medial surface of described auxiliary diversion division near major flow passage side is from right to left towards outer baffle liner curving, and the lateral surface of auxiliary diversion division near auxiliary flow-guiding channel side is from right to left towards major flow passage curving.
7. fire fighting truck according to claim 3, it is characterized in that: described can auto-folder conveying pipeline be that the turning joint that more piece pipeline is controlled by electric cabinet is formed by connecting, pipeline is steel pipe, from rotating seat to can the diameter of top pipeline of auto-folder conveying pipeline reduce gradually.
8. fire fighting truck according to claim 1, is characterized in that: the gas pipeline between described high pressure tank and dry powder can is provided with pressure-reducing valve, dry powder can check-valves and electric gate valve.
9. fire fighting truck according to claim 1, is characterized in that: the ventilating water pipe between described drawing liquid pump and liquid reserve tank is provided with liquid reserve tank check-valves.
10. fire fighting truck according to claim 1, is characterized in that: described high-pressure pump is connected with the PTO of car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464369.8U CN204952017U (en) | 2015-07-01 | 2015-07-01 | Fire -fighting truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464369.8U CN204952017U (en) | 2015-07-01 | 2015-07-01 | Fire -fighting truck |
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| Publication Number | Publication Date |
|---|---|
| CN204952017U true CN204952017U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520464369.8U Active CN204952017U (en) | 2015-07-01 | 2015-07-01 | Fire -fighting truck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107112A (en) * | 2015-07-01 | 2015-12-02 | 凌文祥 | Fire fighting truck |
| CN114486470A (en) * | 2021-12-31 | 2022-05-13 | 南京理工大学 | Multi-path gas smoke generation and scattering integrated device |
-
2015
- 2015-07-01 CN CN201520464369.8U patent/CN204952017U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107112A (en) * | 2015-07-01 | 2015-12-02 | 凌文祥 | Fire fighting truck |
| CN105107112B (en) * | 2015-07-01 | 2019-07-02 | 凌文祥 | Fire fighting truck |
| CN114486470A (en) * | 2021-12-31 | 2022-05-13 | 南京理工大学 | Multi-path gas smoke generation and scattering integrated device |
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