CN108104033B - Secondary supercharging sucking-spraying device and sanitation truck - Google Patents
Secondary supercharging sucking-spraying device and sanitation truck Download PDFInfo
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- CN108104033B CN108104033B CN201810040662.XA CN201810040662A CN108104033B CN 108104033 B CN108104033 B CN 108104033B CN 201810040662 A CN201810040662 A CN 201810040662A CN 108104033 B CN108104033 B CN 108104033B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
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Abstract
The invention relates to a secondary pressurization suction and spray device and an environmental sanitation truck, the secondary pressurization suction and spray device comprises a dust suction fan and a spray gun body, the spray gun body comprises a gun body with a cylindrical structure, one end of the gun body is provided with a spray orifice, the other end of the gun body is provided with a gas inlet, the gas inlet forms a relay air port of an air outlet of the dust suction fan, an air flow pressurization device for pressurizing high-pressure gas entering the gun body from the high-pressure gas inlet again is arranged in the gun body, an air supply port is arranged in a gas flow path between the dust suction fan and the air flow pressurization device at the matching position of the air inlet and the air outlet, the spray gun body further comprises an atomization device arranged at the spray orifice of the gun body, the spray position of the atomization device is positioned in the outer contour of an air outlet column of the gun body, the air flow pressurization device pressurizes and accelerates the high-pressure gas, the spray gun can blow out a longer distance, and the gun body maintains sufficient gas supply, and has high spray efficiency.
Description
Technical Field
The invention relates to a secondary pressurization sucking and spraying device and an environmental sanitation truck.
Background
The road surface cleaning vehicle is characterized in that the road surface cleaning vehicle is a pneumatic cleaning vehicle which is used for collecting and storing dust and garbage in an airflow movement mode, dust pollution can be effectively reduced, air quality is improved, the content of inhalable particles in the air is reduced, and the purpose of improving the living environment of urban residents is achieved.
The utility model discloses a multi-functional cleaning vehicle for road surface maintenance in the chinese patent document of grant bulletin number CN206090418U, it is including setting up the dust absorption pipeline in the automobile body bottom and setting up the dust absorption fan in the automobile body, still including setting up the atomizer at the top of the vehicle simultaneously, be provided with fog gun fan in the atomizer, in actual use, inhale the cleaning vehicle with the rubbish on the road surface through dust absorption passageway through dust absorption fan, simultaneously, spray the mist through fog gun fan control fog gun, can have better suppression effect to haze and dust in the road air, finally guarantee subaerial have high cleanliness. However, in the actual use process of the multifunctional cleaning vehicle, after the original dust suction fan sucks the garbage into the cleaning vehicle, the gas exhausted from the vehicle body still has a certain high flow rate and is directly discharged into the atmosphere to cause energy waste, and meanwhile, when the spraying device pressurizes and sprays the gas, a special fog gun fan is required to be configured, so that the problems of energy waste and high manufacturing and using costs of the cleaning vehicle are caused.
Disclosure of Invention
The invention aims to provide an environmental sanitation truck, which aims to solve the problems of high energy consumption and high manufacturing and using costs of the environmental sanitation truck; the invention also aims to provide a secondary supercharging sucking and spraying device of the sanitation truck.
In order to achieve the above purpose, the technical scheme of the secondary supercharging suction-spraying device of the invention is as follows:
1. The secondary supercharging suction and spraying device comprises a dust suction fan and a spraying gun body, wherein the spraying gun body comprises a gun body of a cylindrical structure, one end of the gun body is provided with a jet orifice, the other end of the gun body is provided with a gas inlet, the gas inlet forms a relay air port of an air outlet of the dust suction fan, an air flow supercharging device for supercharging high-pressure gas entering the gun body from the high-pressure gas inlet again is arranged in the gun body, an air supply port is arranged at the matching position of the air inlet and the air outlet in an air flow path between the dust suction fan and the air flow supercharging device, the spraying gun body further comprises an atomizing device arranged at the jet orifice of the gun body, the atomizing device comprises a plurality of atomizing spray nozzles arranged at intervals on the end face of the jet orifice, the mist outlet position of the atomizing device is located in the outer outline of an air outlet column of the gun body, the air inlet of the gun body is arranged at intervals with the air outlet of the dust suction fan, the air supply port is formed by intervals between the air inlet and the air outlet of the dust suction fan, the air supply port is arranged around the air flow path of the spraying device, and a wind gathering cover is arranged on the gun body at the air inlet.
2. On the basis of 1, the airflow supercharging device is an axial flow fan, and a driving device of the axial flow fan is a motor or a hydraulic motor.
3. On the basis of 1, the big gun body is provided with the base, the big gun body with be connected with turntable bearing between the base, turntable bearing have with base fixed connection's outer lane and with big gun body fixed connection's inner circle, be connected with on the big gun body and be used for driving big gun body pivoted horizontal driving mechanism.
4. On the basis of 3, horizontal actuating mechanism includes that one end is connected with the base is articulated, and the other end is connected with the horizontal drive pneumatic cylinder of big gun body articulated.
5. 1, The gun body is provided with a pitching driving mechanism for adjusting the pitching height of the jet orifice.
6. On the basis of 5, the big gun body includes the fixed section that has gas access mouth and the movable section that has the jet orifice that the components of a whole that can function independently set up, forms spherical hinge formula seal connection structure between fixed section and the movable section, every single move actuating mechanism includes every single move actuating cylinder that both ends are connected respectively on fixed section and movable section.
7. On the basis of 5, the big gun body includes the fixed section that has gas access mouth and the every single move section that has the jet that the components of a whole that can function independently set up, and fixed section passes through hose connection with every single move section, every single move section articulates on a fixing base, every single move actuating mechanism includes that both ends are connected the every single move actuating cylinder on fixing base and every single move section respectively.
The technical scheme of the sanitation truck is as follows:
1. Sanitation car, including automobile body and the dustbin of setting on the automobile body, the automobile body bottom is provided with the dust absorption dish with dustbin intercommunication, its characterized in that: still be equipped with the dust absorption fan with dustbin intercommunication on the automobile body, still be equipped with the spraying big gun body on the automobile body, the spraying big gun body includes the big gun body of tubular structure, and the one end of big gun body is equipped with the jet orifice, and the other end is equipped with the gas and inserts the mouth, the gas inserts the relay wind gap of the air exit that the mouth forms dust absorption fan, is equipped with in the big gun body and is used for getting into the internal air current supercharging device of big gun from the high-pressure gas inlet repressurization of the big gun body, in the gas flow path between dust absorption fan and the air current supercharging device in the cooperation department of gas inlet and air exit is provided with the air supplement mouth, the spraying big gun body still includes the atomizer of locating the jet orifice department of the big gun body, and atomizing device's play fog position is located the outline of the air-out post of big gun body and is inside, the air supplement mouth interval arrangement of big gun body, the air supplement mouth is formed by the interval between the two, the air supplement mouth is annular opening, encircles the air current path setting of inhaling the spraying device, is equipped with in the air collection cover on the big gun body.
2. On the basis of 1, the airflow supercharging device is an axial flow fan, and a driving device of the axial flow fan is a motor or a hydraulic motor.
3. On the basis of 1, be connected with the turntable bearing between big gun body and the automobile body, turntable bearing have with automobile body fixed connection's outer lane and with big gun body fixed connection's inner circle, be connected with on the big gun body and be used for driving big gun body gyration horizontal actuating mechanism.
4. On the basis of 3, horizontal actuating mechanism includes that one end is connected with the automobile body is articulated, and the other end is connected with the horizontal drive pneumatic cylinder of big gun body articulated.
5. 1, The gun body is provided with a pitching driving mechanism for adjusting the pitching height of the jet orifice.
6. On the basis of 5, the big gun body includes the fixed section that has gas access mouth and the movable section that has the jet orifice that the components of a whole that can function independently set up, forms spherical hinge formula seal connection structure between fixed section and the movable section, every single move actuating mechanism includes every single move actuating cylinder that both ends are connected respectively on fixed section and movable section.
7. On the basis of 5, the big gun body includes the fixed section that has gas access mouth and the every single move section that has the jet that the components of a whole that can function independently set up, and fixed section passes through hose connection with every single move section, every single move section articulates on a fixing base, every single move actuating mechanism includes that both ends are connected the every single move actuating cylinder on fixing base and every single move section respectively.
The beneficial effects of the invention are as follows: compared with the prior art, the sanitation truck has the advantages that the gas inlet on the spray gun body is formed into the relay air port of the air outlet, so that when a road needs to be cleaned and sprayed, the secondary pressurizing suction and spraying device is started, namely, after the garbage on the ground is sucked into the dustbin by the gas sucked by the dust suction fan, the gas directly enters the spray gun body from the air outlet of the dust suction fan, and when the gas passes through the spray port of the gun body, the liquid of the atomizing nozzle at the spray port is atomized and sprayed backwards to form water mist; when the floor is not required to be cleaned and only needs to be sprayed, the sucker can be retracted, and only the external air is sucked through the sucker, so that the spraying work can be realized; or when the floor is cleaned and spraying is not needed, the atomizing device is controlled to be closed, the gas sucked by the dust suction fan can be directly discharged through the jet orifice, the function of spraying the gun body can be realized by utilizing the gas exhausted by the dust suction fan through the arrangement mode, and the energy generated by the dust suction fan is reasonably utilized. Meanwhile, because the exhaust air of the dust suction fan has certain pressure and speed, when the air is discharged into the gun body, the high-pressure air is pressurized and accelerated again through the air flow supercharging device in the gun body, so that the fog gun can be driven out of a longer distance, and meanwhile, in order to meet the injection quantity of the high-pressure air, the air supply in the gun body is realized through the air supply port, so that the exhaust high-pressure air is effectively utilized, and meanwhile, the gun body is ensured to keep enough air supply, compared with the original fog gun, the air flow supercharging device can realize remote water mist injection without excessive power loss, and has the advantages of high spraying efficiency, long distance, simple structure and convenience in manufacture.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the sanitation truck of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the spray gun body of FIG. 1;
Fig. 4 is a partial enlarged view at a in fig. 3.
Reference numerals: 1-a vehicle body; 2-a dust collection fan; 3-a dust inlet pipe; 4-a dust collection tray; 5-a dustbin; 7-an air outlet; 8-an exhaust outlet; 9, a box body; 10-a horizontal driving mechanism; 11-spraying a gun body; 111-gas inlet; 112-injection ports; 113-atomizing spray heads; 114-hinge structure; 115-pitch segment; 116-hose; 117-fixed section; 12-pitch drive mechanism; 13-a turntable bearing; 15-an air supply port; 16-booster fan; 161-motor; 162-hub blades; 17-supporting frames; 18-wind gathering cover.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the sanitation truck of the invention comprises a truck body 1 and a secondary pressurization suction and spray device arranged on the truck body 1, wherein the secondary pressurization suction and spray device comprises a dust suction fan 2 arranged in the truck body 1, a dustbin 5 is arranged at the rear part of the truck body 1, a dust suction disc 4 is arranged at the bottom of the truck body 1, a dust inlet pipe 3 is communicated between the dust suction disc 4 and the dustbin 5, the dust suction fan 2 is arranged at the front side of the dustbin 5, the dustbin 5 is provided with an air outlet 7 communicated with the dust suction fan 2, and in the actual working process, the dust suction fan 2 can suck the dustbin 5 into a negative pressure state when working, so that the garbage on the ground can be sucked into the dustbin 5.
The secondary supercharging suction and spraying device further comprises a supporting frame 17 arranged at the top of the vehicle body 1, the supporting frame 17 is provided with a spraying gun body 11, the spraying gun body 11 comprises a gun body with a cylindrical structure, one end of the gun body is provided with a gas inlet 111, the other end of the gun body is provided with a spraying opening 112, meanwhile, a hub blade 162 and a motor 161 are further arranged at the position, close to the spraying opening, in the gun body, the hub blade 162 is controlled to rotate through the motor 161, the hub blade 162, the motor 161 and the gun body form an axial-flow supercharging fan 16, the dust-absorbing fan 2 further comprises an air outlet 8 for discharging high-speed air sucked in from the dust-absorbing fan 2, an atomization device is arranged at the spraying opening 112 of the gun body, the atomization device comprises a plurality of atomization spray nozzles 113 arranged on the end face of the spraying opening 112 at intervals, and the spraying position of the atomization nozzles 113 is located within the outer outline of a gas column at the spraying opening 112.
In this embodiment, set up turntable bearing 13 on the up end of support frame 17, corresponding with spray big gun body wholly sit on turntable bearing 13, turntable bearing 13's outer lane is fixed on support frame 17, and the inner race cover is established on big gun body, supports big gun body through turntable bearing 13, has guaranteed big gun body's assembly structure stability.
The air inlet 111 forms a relay air port of the air outlet 8, the air inlet is provided with the air collecting cover 18, the caliber of the air collecting cover 18 is larger than the outer diameter of the air outlet 8, and then the air outlet 8 extends upwards into the air collecting cover 18 and is oppositely arranged with the air collecting cover 18 at intervals, and an annular gap is formed between the air collecting cover and the air collecting cover. In the actual spraying process, the annular gap between the air collecting cover 18 and the air outlet 8 forms the air supplementing opening 15 communicated with the outside air, so that the air supplementing of the gun body can be realized. The setting through air supply mouth 15 can satisfy the high-efficient use of exhaust high-pressure gas, guarantees that the big gun body internal keeps sufficient gas supply, compares with original fog gun, does not need axial compressor booster fan 16 too much power consumption can realize the distant water smoke and spray, and spraying efficiency is high, and is far away, simple structure moreover, makes conveniently.
The gas inlet 111 and the air outlet 8 of the gun body are communicated with each other, so that gas can directly enter the spray gun body 11 from the air outlet 8 of the dust suction fan 2, then the high-pressure gas is accelerated and pressurized again through the axial flow booster fan 16, when the gas passes through the jet orifice 112 of the gun body, the liquid of the atomizing nozzle 113 at the jet orifice 112 is atomized and sprayed backwards to form water mist, the function of spraying the gun body 11 can be realized by utilizing the high-pressure gas exhausted by the dust suction fan 2 by the arrangement, the energy generated by the dust suction fan 2 is reasonably utilized, meanwhile, the high-pressure gas is accelerated and pressurized again through the axial flow booster fan 16 when the gas is exhausted into the gun body, and the further distance of spraying the mist gun can be realized.
In order to maximize the spraying area of the fog gun in the practical use process, the spraying gun body 11 is further provided with a horizontal driving mechanism 10 for adjusting the left and right directions of the spraying gun body 11 and a pitching driving mechanism 12 for adjusting the pitching directions of the spraying gun body 11, wherein for the horizontal driving mechanism 10, in the embodiment, the horizontal rotation of the gun body relative to the vehicle body 1 can be realized through the arrangement of the turntable bearing 13, the horizontal driving mechanism 10 comprises a horizontal driving hydraulic cylinder with one end hinged on the supporting frame 17 and the other end hinged on one side of the peripheral surface of the gun body, and in the practical work process, the direction angle of the gun body relative to the vehicle body 1 can be controlled by controlling the stretching of the horizontal driving hydraulic cylinder, so that the adjustment is convenient and the structure is simple.
In this embodiment, the casing 9 has a certain protection function to the casing body, and in this embodiment, the casing body includes two parts arranged at intervals, the gas inlet 111 and the injection port 112 are separately arranged on the two parts, wherein a part having the gas inlet 111 is fixedly assembled with the casing 9 to form a fixed section 117, a hinge structure 114 is arranged between a part having the injection port 112 and the casing 9 to form a pitching section 115, the pitching section 115 is hinged to the casing to form the fixing seat, and the pitching angle of the injection port can be adjusted relative to the casing 9 by the pitching section 115. In this embodiment, a hose 116 is connected between the fixed segment 117 and the pitch segment 115, so that a change in pitch angle between the two can be achieved. The turntable bearing 13 is sleeved on the fixed section 117, the pitching driving mechanism 12 comprises a pitching driving hydraulic cylinder with two ends respectively hinged to the pitching section 115 and the box body 9, and in the actual working process, the pitching section 115 is driven to change relative to the pitching angle of the box body 9 through the expansion and contraction of the pitching driving hydraulic cylinder, so that the pitch angle of the spray gun body 11 relative to the vehicle body 1 is adjusted.
In the actual working process, after the garbage on the ground is pumped into the dustbin 5 through the dust collection disc 4, the pumped gas enters the air outlet 8 from the dust collection fan 2 and is sprayed into the gun body through the air outlet 8, and at the moment, the high-pressure gas is pressurized again through the axial-flow booster fan 16 to accelerate, the pressurized again drives atomized liquid to spray, and water mist is formed, so that the cleaning-spraying function is realized.
If cleaning is not needed, only when spraying is needed, the dust collection tray 4 can be lifted, air is pumped through the dust collection tray 4, the pumped air is introduced into the dust collection fan 2, the atomizing device is controlled to be opened, and the gas drives atomized liquid to spray backwards when being discharged from the gun body, so that water mist is formed, and the function of single spraying is realized.
In other embodiments, the axial flow fan may be mounted directly within the gun body without adapting the gun body interior to the mounting dimensions of the hub blades 162 and motor 161, only providing the mounting dimensions of the axial flow fan housing.
In other embodiments, the air outlet 8 and the air inlet 111 may be fixedly connected, and an air supply port for supplying air from the outside is provided at the mating position of the air inlet 111 and the air outlet 8, and the air supply port is not in a ring structure any more, and is determined only according to the gap structure between the air inlet 111 and the air outlet 8.
In other embodiments, the horizontal driving mechanism and the pitching driving mechanism are not required, the spray gun body can be directly fixed on the support frame 17 and fixedly connected with the dust suction fan through the fixed connection structure, the gun body is arranged to be a fixed section and a movable section which are arranged in a split mode, the fixed section is provided with a gas inlet, the movable section is provided with an injection port, connection is realized between the fixed section and the movable section through the spherical hinge type sealing connection structure, and in the actual working process, the swing angle of the movable section relative to the fixed section can be controlled through the driving structure to realize the adjustment of any orientation of the injection port.
The structure of the embodiment of the secondary pressurizing suction and spray device is consistent with that of the embodiment of the sanitation truck, and the embodiment of the secondary pressurizing suction and spray device is not expanded in detail.
Claims (14)
1. The secondary supercharging suction-spraying device is characterized in that: including dust absorption fan and spraying big gun body, spraying big gun body includes the big gun body of cylindric structure, and the one end of big gun body is equipped with the jet, and the other end is equipped with gas access mouth, gas access mouth forms the relay wind gap of the air exit of dust absorption fan, is equipped with in the big gun body and is used for the air current supercharging device that gets into the big gun body from high-pressure gas access mouth and pressurizes again the internal high-pressure gas of big gun, in the gas flow path between dust absorption fan and the air current supercharging device in the cooperation department of gas access mouth and air exit is provided with the air make-up mouth, spraying big gun body still includes the atomizer of locating the jet department of big gun body, and atomizer is located the outline of the air-out post of big gun body including setting up on the jet terminal surface, and the play fog position of atomizer is located the big gun body, and the air exit interval arrangement of big gun body, the air make-up mouth is formed by the interval between the two, the air make-up mouth is the annular opening, encircles the air current path setting of air suction device, is equipped with the air gathering cover in the air access mouth on the big gun body.
2. The secondary boost suction device of claim 1, wherein: the air flow supercharging device is an axial flow fan, and the driving device of the axial flow fan is a motor or a hydraulic motor.
3. The secondary boost suction device of claim 1, wherein: the gun body is provided with a base, a turntable bearing is connected between the gun body and the base, the turntable bearing is provided with an outer ring fixedly connected with the base and an inner ring fixedly connected with the gun body, and the gun body is connected with a horizontal driving mechanism for driving the gun body to rotate.
4. A secondary boost suction device according to claim 3, wherein: the horizontal driving mechanism comprises a horizontal driving hydraulic cylinder, one end of the horizontal driving hydraulic cylinder is hinged with the base, and the other end of the horizontal driving hydraulic cylinder is hinged with the gun body.
5. The secondary boost suction device of claim 1, wherein: the gun body is provided with a pitching driving mechanism for adjusting the pitching height of the jet orifice.
6. The secondary boost suction device of claim 5, wherein: the gun body comprises a fixed section with a gas inlet and a movable section with an injection port, wherein the fixed section and the movable section are arranged in a split mode, a spherical hinge type sealing connection structure is formed between the fixed section and the movable section, and the pitching driving mechanism comprises a pitching driving hydraulic cylinder with two ends respectively connected to the fixed section and the movable section.
7. The secondary boost suction device of claim 5, wherein: the gun body comprises a fixed section with a gas inlet and a pitching section with an injection port, wherein the fixed section and the pitching section are arranged in a split mode, the fixed section is connected with the pitching section through a hose, the pitching section is hinged to a fixed seat, and the pitching driving mechanism comprises a pitching driving hydraulic cylinder, and two ends of the pitching driving hydraulic cylinder are respectively connected to the fixed seat and the pitching section.
8. Sanitation car, including automobile body and the dustbin of setting on the automobile body, the automobile body bottom is provided with the dust absorption dish with dustbin intercommunication, its characterized in that: still be equipped with the dust absorption fan with dustbin intercommunication on the automobile body, still be equipped with the spraying big gun body on the automobile body, the spraying big gun body includes the big gun body of tubular structure, and the one end of big gun body is equipped with the jet orifice, and the other end is equipped with the gas and inserts the mouth, the gas inserts the relay wind gap of the air exit that the mouth forms dust absorption fan, is equipped with in the big gun body and is used for getting into the internal air current supercharging device of big gun from the high-pressure gas inlet repressurization of the big gun body, in the gas flow path between dust absorption fan and the air current supercharging device in the cooperation department of gas inlet and air exit is provided with the air supplement mouth, the spraying big gun body still includes the atomizer of locating the jet orifice department of the big gun body, and atomizing device's play fog position is located the outline of the air-out post of big gun body and is inside, the air supplement mouth interval arrangement of big gun body, the air supplement mouth is formed by the interval between the two, the air supplement mouth is annular opening, encircles the air current path setting of inhaling the spraying device, is equipped with in the air collection cover on the big gun body.
9. The sanitation truck according to claim 8, wherein: the air flow supercharging device is an axial flow fan, and the driving device of the axial flow fan is a motor or a hydraulic motor.
10. The sanitation truck according to claim 8, wherein: the rotary table is characterized in that a rotary table bearing is connected between the gun body and the vehicle body, the rotary table bearing is provided with an outer ring fixedly connected with the vehicle body and an inner ring fixedly connected with the gun body, and the gun body is connected with a horizontal driving mechanism for driving the gun body to rotate.
11. The sanitation truck according to claim 10, wherein: the horizontal driving mechanism comprises a horizontal driving hydraulic cylinder, one end of the horizontal driving hydraulic cylinder is hinged with the vehicle body, and the other end of the horizontal driving hydraulic cylinder is hinged with the gun body.
12. The sanitation truck according to claim 8, wherein: the gun body is provided with a pitching driving mechanism for adjusting the pitching height of the jet orifice.
13. The sanitation truck according to claim 12, wherein: the gun body comprises a fixed section with a gas inlet and a movable section with an injection port, wherein the fixed section and the movable section are arranged in a split mode, a spherical hinge type sealing connection structure is formed between the fixed section and the movable section, and the pitching driving mechanism comprises a pitching driving hydraulic cylinder with two ends respectively connected to the fixed section and the movable section.
14. The sanitation truck according to claim 12, wherein: the gun body comprises a fixed section with a gas inlet and a pitching section with an injection port, wherein the fixed section and the pitching section are arranged in a split mode, the fixed section is connected with the pitching section through a hose, the pitching section is hinged to a fixed seat, and the pitching driving mechanism comprises a pitching driving hydraulic cylinder, and two ends of the pitching driving hydraulic cylinder are respectively connected to the fixed seat and the pitching section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810040662.XA CN108104033B (en) | 2018-01-16 | 2018-01-16 | Secondary supercharging sucking-spraying device and sanitation truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040662.XA CN108104033B (en) | 2018-01-16 | 2018-01-16 | Secondary supercharging sucking-spraying device and sanitation truck |
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| CN108104033A CN108104033A (en) | 2018-06-01 |
| CN108104033B true CN108104033B (en) | 2024-07-09 |
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| CN111411604A (en) * | 2020-03-25 | 2020-07-14 | 福建龙马环卫装备股份有限公司 | Operation method of cleaning vehicle and cleaning vehicle |
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| KR950010889U (en) * | 1993-10-14 | 1995-05-15 | 삼성전자 주식회사 | Vacuum cleaner with spray function |
| CN203990938U (en) * | 2014-06-25 | 2014-12-10 | 安徽理工大学 | A kind of boosted suction jet agitator |
| CN104741260A (en) * | 2015-04-22 | 2015-07-01 | 福州汇智集佳电子技术有限公司 | Spraying vehicle for improving haze removing speed |
| CN205180172U (en) * | 2015-11-30 | 2016-04-27 | 陈玉军 | High -efficient sprayer is with defeated wind device |
| CN207846319U (en) * | 2018-01-16 | 2018-09-11 | 洛阳中重特种车辆有限公司 | A kind of secondary booster inhales spray apparatus and sanitation cart |
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| CN108104033A (en) | 2018-06-01 |
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