CN102660931B - Road suction-sweeping vehicle suitable for various road surfaces and operating sites - Google Patents
Road suction-sweeping vehicle suitable for various road surfaces and operating sites Download PDFInfo
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- CN102660931B CN102660931B CN201210173392.2A CN201210173392A CN102660931B CN 102660931 B CN102660931 B CN 102660931B CN 201210173392 A CN201210173392 A CN 201210173392A CN 102660931 B CN102660931 B CN 102660931B
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Abstract
The invention discloses a road suction-sweeping vehicle suitable for various road surfaces and operating sites, relating to a road suction-sweeping vehicle, and aiming at solving the problem of low reliable operation rate due to bad sweeping effect and high fault quantity of the present road sweeping vehicle. According to the invention, the inlet of a cyclone dust remover is communicated with a tornado dust suction hood and the upper end of an air suction tube in the tornado dust suction hood; the lower end of the cyclone dust remover is communicated with a primary dust collection box; and four air supply tubes communicated with an air gathering chamber are arranged at the four corners of the tornado dust suction hood, a nozzle is arranged on each air supply tube, under the positive-pressure air supply action of the air gathering chamber, the air supplied by the four air supply tubes is ejected by the nozzles along the anticlockwise direction of the tangential circle of the four corners, so as to form a rotary airflow in the tornado dust suction hood, and the rotary airflow forms a centripetal negative-pressure rotary vortex under the action of the sucked airflow of the air suction tube. By virtue of the tornado airflow principle, the sweeping effect is thorough, and fine dust particles of less than PM2.5 which are harm to human health can also be cleaned and swept completely.
Description
Technical field
The present invention relates to a kind of road dust collecting and cleaning vehicles, belong to cleaning equipment technical field.
Background technology
Along with social fast development and social progress, people are more and more high to environmental quality requirement, for protect people body health, country has formulated the examination criteria of PM2.5.In air, PM2.5 wherein pollutes with road surface in 10% source, and the quality level that improves as seen road cleaning is very urgent.Current road-sweeper both domestic and external is to adopt brush to roll to clean mostly, then collects inlet scoop with disc brush, enters disposal box, also wants continual to round brush, disc brush, disposal box atomized water spray depositing dust simultaneously.This road-sweeper is difficult to control fine solid particle and enters atmosphere.And the poor waste water resource of cleaning quality level, also cannot cleaning work at north of china in winter.In recent years, there is again one need not brush dry road dust collecting and cleaning vehicles, utilize to inhale and blow cover principle cleaning road surface, round brush disc brush serious wear, the life-span is shorter.Dust shield lifting gear fault is more, causes road sweeper reliability service rate lower.
Summary of the invention
There is cleaning weak effect in order to solve existing road dust collecting and cleaning vehicles in the present invention, and application life is shorter, fault is more, causes the lower problem of road sweeper reliability service rate, and then a kind of road dust collecting and cleaning vehicles that are applicable to various road surfaces and Active workings are provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
Road dust collecting and cleaning vehicles of the present invention comprise a car body that can travel, cyclone dust shield, aspiration channel, nozzle, four ajutages, converge air compartment, centrifugal blower, tube connector, detour pipe, cyclone dust collectors, sack cleaner, air-purifying chamber, disposal box and secondary disposal box; On described car body, be provided with by engine-driven centrifugal blower, in the bottom of car body, cyclone dust shield be housed, the entrance of cyclone dust collectors and cyclone dust shield and the aspiration channel that is positioned at cyclone dust shield communicate; The lower end of cyclone dust collectors communicates with a disposal box, and the upper end of cyclone dust collectors is connected with an air-purifying chamber, and one time air-purifying chamber is connected with the entrance of centrifugal blower by tube connector, and the air compartment that converges is connected with the air outlet of centrifugal blower; Converge air compartment by being communicated with sack cleaner through the detour pipe of an air-purifying chamber, and sack cleaner is arranged on the upper end of secondary disposal box, and the lower end of sack cleaner communicates with secondary disposal box, and the upper end of sack cleaner communicates with atmosphere; Be provided with and converge four ajutages that air compartment communicates at described cyclone dust shield four jiaos, every ajutage is provided with nozzle, under the forced draft effect of remittance air compartment, the wind that four ajutages are sent is sprayed along the counter clockwise direction of quadrangle tangential circle by nozzle, in described cyclone dust shield, form swirling eddy, under the effect of the suction air-flow of aspiration channel, swirling eddy forms a kind of rotating vortex of centripetal negative pressure, described cyclone dust collectors (20) comprise urceolus and inner core, the lower end of urceolus communicates with a disposal box, and inner core upper end communicates with an air-purifying chamber.
The invention has the beneficial effects as follows:
The present invention has realized in road cleaning operation, utilizes the rotation of cyclone to purge, and sucks the air-flow principle promoting, operation is swept in the suction that thoroughly completes road surface kerb interior angle, in operation process, without not water of brush, there is no reentrainment of dust, is a kind of energy-conserving and environment-protective road-sweeper.In cleaning work process.Negative-pressure inlet malleation at centrifugal blower goes out under wind action, makes the artificial cyclone of generation in cyclone dust shield.Utilize cyclone rotation ascending air principle.Cyclone dust shield can, away from road surface, carry out strong rotation purging the dust foreign material on road surface.Suck cyclone dust shield, through the pre-dedusting of cyclone dust collectors.Bulky grain dust and foreign material are screwed in to a disposal box.Air-flow containing thinner dust sucks centrifugal blower; Be sent to four ajutages of cyclone dust shield by outlet; Nozzle by ajutage counterclockwise sprays along quadrangle tangential circle, in cyclone dust shield, forms swirling eddy.Under the rising negative-pressure air-flow effect of cyclone dust shield aspiration channel, swirling eddy is produced to centripetal force.The interaction of two kinds of air-flows forms eddy current, generates artificial cyclone; The swirling eddy road pavement of cyclone and kerb interior angle, have extremely strong purging effect.Cyclone center ascending air purges rotation the dust foreign material of getting up, and is concentrated in ascending air by negative pressure climbing power; Through aspiration channel, suck cyclone dust collectors, go round and begin again and carry out cleaning work.
The present invention is excessive in order to make cleaning work not produce dust-contained airflow, and the malleation of centrifugal air outlet, containing the air-flow of fine grained dust, small part is pressed into after sack cleaner filters and discharges.Suction air quantity in cyclone dust shield is greater than and is pressed into air quantity, keeps negative pressure state in cover, can only inhalation mask in air-flow, can there is not the cleaning work secondary pollution phenomenon that dust-contained airflow is excessive produced.Cyclone, to road dust collecting and cleaning vehicles, utilizes cyclone air-flow principle, carries out road cleaning operation.Do not spray water without brush, purge effect thorough, the trickle grit below the PM2.5 of harm health of human body also can be washed and sweep totally.
The present invention utilizes the artificial cyclone air-flow principle can be away from road surface, and road surface, the dust foreign material of kerb interior angle, are rotated purging, sucks cyclone dust shield and completes cleaning work.The present invention is simple in structure, superior performance, and cleaning effect is splendid.Purging system reliability is splendid.Can extensively quote and road square, the cleaning work in various industrial operations place.
When described cyclone road dust collecting and cleaning vehicles start cleaning work, centrifugal blower High Rotation Speed, the entrance of centrifugal blower produces negative pressure, and the cyclone dust collectors that communicate with centrifugal blower entrance and the aspiration channel of cyclone dust shield start air draught.The entrance that enters centrifugal blower after cyclone dust collectors separate is extruded by outlet again.Four that are arranged on cyclone dust shield export with remittance air compartment and centrifugal blower the ajutage putting in blast communicating.Ajutage is arranged on four jiaos of square cyclone dust shield, and the nozzle of ajutage is installed in counterclockwise.In the time that nozzle sprays anticlockwise air-flow, in cyclone dust shield, form and be rotated counterclockwise air-flow.Now, under the negative-pressure air-flow effect of aspiration channel, malleation swirling eddy has been produced to centripetal force, the interaction of two kinds of air-flows forms rotating vortex, generates artificial cyclone.The swirling eddy road pavement of cyclone has extremely strong purging effect.The dust foreign material that the center ascending air of cyclone can purge rotation, are concentrated in the ascending air of center by the centripetal force of negative pressure.Be inhaled in the aspiration channel and cyclone dust collectors of cyclone.Realize the suction of cyclone road and swept operation.The rotation of cyclone purges effect and strong ascending air.Not only road surface purges thoroughly, and cyclone dust shield can be away from road surface, without not water of brush.Described cyclone road dust collecting and cleaning vehicles, in the time of cleaning work, under the effect of centrifugal blower, are inhaled the air-flow containing dust and foreign material of sweeping by cyclone dust shield, enter cyclone dust collectors entrance through aspiration channel; Dust-contained airflow is along cyclone dust collectors barrel High Rotation Speed, under the effect of centrifugal force, the dust that particle is larger and foreign material, be threaded in a disposal box along the lower rotational gas flow of barrel, the dust that particle is less is carried by upper outstanding air-flow, enters the entrance of centrifugal blower through the inner core of cyclone dust collectors.Described cyclone road dust collecting and cleaning vehicles in the time of cleaning work after the pre-dedusting of cyclone dust collectors containing the less dust-contained airflow of particle, be most ofly pressed into and converge wind device by centrifugal blower outlet.In order to guarantee the operation of cyclone negative pressure state, small part dust-contained airflow is through motor operated valve, and detour pipe is pressed into sack cleaner.The dust that particle is less is hindered at filter bag external surface, is cleaned air-flow up to standard and is discharged through air-purifying chamber and outlet by filter pocket mouths.When the dust attitude that is blocked in filter bag external surface is to certain thickness.Open injection tube, spray into filter bag inner high voltage air-flow, filter bag external surface dust layer is fallen clearly in secondary disposal box.Described cyclone road dust collecting and cleaning vehicles, after cleaning work a period of time, when disposal box and secondary disposal box are filled soon.Open ash-unloading door, start unloading unit.Disposal box and secondary disposal box are all unstowed.Then ash-discharging device close ash discharge valve bounces back.Complete a cleaning work process of cyclone road sweeper.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram based on cyclone principle road dust collecting and cleaning vehicles of the present invention, Fig. 2 is cyclone dust collectors dust-contained airflow centrifugation principle schematic (the A-A sectional view of Fig. 1), and Fig. 3 is that cyclone dust shield purges dust suction principle schematic (the B-B sectional view of Fig. 1).
The specific embodiment
The specific embodiment one: as shown in Figures 1 to 3, a kind of road dust collecting and cleaning vehicles that are applicable to various road surfaces and Active workings described in present embodiment comprise a car body that can travel 1, cyclone dust shield 19, aspiration channel 18, nozzle 17, four ajutages 2, converge air compartment 3, centrifugal blower 4, tube connector 6, detour pipe 7, cyclone dust collectors 20, sack cleaner 12, air-purifying chamber 9, disposal box 22 and a secondary disposal box 23, on described car body 1, be provided with by engine-driven centrifugal blower 4, cyclone dust shield is housed described in cyclone dust shield 19(in the bottom of car body 1 to be arranged on below chassis, before and after in the middle of two-wheeled), the entrance of cyclone dust collectors 20 and cyclone dust shield 19 and the upper end that is positioned at the aspiration channel 18 of cyclone dust shield 19 communicate, the lower end of cyclone dust collectors 20 communicates with a disposal box 22, and the upper end of cyclone dust collectors 20 is connected with an air-purifying chamber 9, and one time air-purifying chamber 9 is connected with the entrance of centrifugal blower 4 by tube connector 6, and the air compartment 3 that converges is connected with the air outlet of centrifugal blower 4, the air compartment 3 that converges is communicated with sack cleaner 12 by the detour pipe 7 through an air-purifying chamber 9, and sack cleaner 12 is arranged on the upper end of secondary disposal box 23, and the lower end of sack cleaner 12 communicates with secondary disposal box 23, and the upper end of sack cleaner 12 communicates with atmosphere, be provided with and converge four ajutages 2 that air compartment 3 communicates at described cyclone dust shield 19 four jiaos, every ajutage 2 is provided with nozzle 17, under the forced draft effect of remittance air compartment 3, the wind that four ajutages 2 are sent is sprayed along the counter clockwise direction of quadrangle tangential circle by nozzle 17, at the interior formation swirling eddy of described cyclone dust shield 19, the rotating vortex that swirling eddy forms a kind of centripetal negative pressure under the effect of the suction air-flow of aspiration channel 18 (forms artificial cyclone, the rotation ascending air of artificial cyclone, make 19 mouthfuls of the described cyclone dust shields can be away from ground in the situation that, the dust foreign material of road surface and kerb interior angle are thoroughly washed and swept totally).
The specific embodiment two: as shown in Figures 1 to 3, cyclone dust collectors 20 comprise urceolus 10 and inner core 8 described in present embodiment, and the lower end of urceolus 10 communicates with a disposal box 22, and inner core 8 upper ends communicate with an air-purifying chamber 9.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: as shown in Figures 1 to 3, described in present embodiment, sack cleaner 12 upper spaces are secondary purifying air chamber 13, filter bag 11 in sack cleaner 12 is positioned at the below of secondary purifying air chamber 13, described sack cleaner 12 is provided with the air outlet 15 communicating with secondary purifying air chamber 13, and the top of filter bag 11 is provided with pulse blowing pipe 14.Other composition and annexation are identical with the specific embodiment one or two.
The specific embodiment four: as shown in Figures 1 to 3, road dust collecting and cleaning vehicles also comprise motor operated valve 5 described in present embodiment, is arranging motor operated valve 5 near converging on the detour pipe 7 of air compartment 3.Other composition and annexation are identical with the specific embodiment one, two or three.
The specific embodiment five: as shown in Figures 1 to 3, described in present embodiment, road dust collecting and cleaning vehicles also comprise positive pressure interface 24, negative pressure interface 25, Pneumatic dump valve 16 and hydraulic pressure unloading unit 21, positive pressure interface 24 is arranged on detour pipe 7, negative pressure interface 25 is arranged on tube connector 6, Pneumatic dump valve 16 is arranged on sack cleaner 12, and hydraulic pressure unloading unit 21 is for making disposal box 22 and 23 run-off the straights of secondary disposal box dust and the foreign material to unstow and to collect.Other composition and annexation are identical with the specific embodiment one, two, three or four.
In the time of cleaning work, under centrifugal blower 4 entrance negative pressure effects, the aspiration channel 18 of described cyclone dust shield 19 starts air draught under the forced draft effect of remittance air compartment 3, four ajutage 2 putting in blasts are also cut former counter clockwise direction by nozzle 17 along four jiaos and are sprayed, at the interior formation swirling eddy of described cyclone dust shield 19, under the effect of the suction air-flow of aspiration channel 18, swirling eddy forms eddy current, a kind of rotating vortex of centripetal negative pressure.Form artificial cyclone.The rotation ascending air of artificial cyclone, can, away from ground in the situation that, thoroughly wash the dust foreign material of road surface and kerb interior angle and sweep totally 19 mouthfuls of described cyclone dust shields.In the time of described road dust collecting and cleaning vehicles cleaning work, under the suction function of described centrifugal blower 4, the dust being sucked by described aspiration channel 18 and foreign material, tangentially enter the inwall rotation of described cyclone dust collectors 20 along urceolus 10.Under the effect of centrifugal force, bulky grain dust and foreign material are threaded into disposal box 22 one time.More tiny grit is carried through air-purifying chamber 9, a tube connector 6 and enters centrifugal blower 4 by the air-flow of cyclone pre-dusting, and the operating efficiency of described cyclone dust collectors 20 can reach more than 80%, has effectively improved the life-span of centrifugal blower 4.In the time of described cyclone road dust collecting and cleaning vehicles cleaning work, centrifugal blower 4 enters described remittance air compartment 3 sucking through the air-flow force feed of pre-dedusting, and be pressed into four ajutages 2 at the interior swirling eddy that forms of described cyclone dust shield 19 by remittance air compartment 3 simultaneously, suck under airflow function at aspiration channel 18, form artificial cyclone in order to make described cyclone dust shield 19 keep negative pressure state, dust-contained airflow does not occur excessive.Described remittance air compartment 3 also communicates with motor operated valve 5, detour pipe 7, sack cleaner 12, and small part is pressed into sack cleaner 12 through the air-flow of pre-dedusting by adjusting motor operated valve 5, enters atmosphere after filtration.It in the time of described cyclone road dust collecting and cleaning vehicles cleaning work, is the negative pressure state of the cyclone dust shield 19 that keeps described, adjust the aperture of motor operated valve 5 the part malleation of remittance air compartment 3, being pressed into sack cleaner 12 through the dust-contained airflow of pre-dedusting by detour pipe 7 filters the secondary purifying air chamber 13 that enters up to standard through filter bag 11 and enters atmosphere by air outlet 15, be delayed at the dust layer of filter bag 11 external surfaces, have pulse blowing pipe to blow off and be down in secondary disposal box 23.
Operating principle of the present invention:
In the time that centrifugal blower 4 starts, its import produces negative pressure outlet and produces malleation, and aspiration channel 18 starts to suck the air-flow containing dust and foreign material purging through cyclone under the effect of negative pressure, enters the inwall High Rotation Speed of cyclone dust collectors 20 along urceolus 10.Bulky grain dust foreign material, under the effect of centrifugal force, carried by lower rotational gas flow, screw in disposal box 22 fine particle dust and carried through 8 air-purifying chambers of inner core, 9 tube connectors 6 and enter centrifugal blower 4 and be pressed into and converge air compartment 3 and be pressed into ajutage 2 simultaneously and spray counterclockwise by nozzle 17 by outlet by upper rotational gas flow, at the interior formation rotation of cyclone dust shield 19 purging air-flow.
Excessive in order to prevent dust-contained airflow, cyclone dust shield is blown into gas flow must be less than the inhaling air scale of construction.Open for this reason and converge the motor operated valve 5 that air compartment 3 communicates.Small part enters sack cleaner 12 gas up to standard after filter bag 11 filters containing the air-flow of fine grained dust through detour pipe 7 and enters secondary purifying air chamber 13 and discharged by air outlet 15, and the fine grained dust that is delayed at filter bag 11 external surfaces is blown off to secondary disposal box 23 by pulse blowing pipe 14.
In the time that disposal box 22 and secondary disposal box 23 are filled soon, opening Pneumatic dump valve 16 starts hydraulic pressure unloading unit 21 and opens positive pressure interface 24, negative pressure interface 25 and negative pressure interface 26 simultaneously, and disposal box 22 and secondary disposal box 23 are tilted, dust foreign material are unstowed.Then the hydraulic pressure unloading unit 21 that bounces back is closed positive pressure interface 24, negative pressure interface 25 and negative pressure interface 26, finally closes unloading valve 16, then can continue cleaning work.
While starting cleaning work, cyclone road dust collecting and cleaning vehicles travel along road right side, start centrifugal blower 4 its impellers and start High Rotation Speed, make its entrance produce negative pressure, and outlet produces negative pressure.Make the nozzle 17 of four ajutages 2 in cyclone dust shield 19 spray air-flow simultaneously, and be that the counter clockwise direction ejection malleation air-flow of drilling quadrangle tangential circle forms counterclockwise malleation swirling eddy in cyclone dust shield, now aspiration channel 18 also starts to suck air-flow.At cyclone dust shield Nei center, produce negative-pressure air-flow upwards.Negative-pressure air-flow upwards produces centripetal force to counterclockwise malleation swirling eddy.Under the interaction of two kinds of air-flows, produce and be rotated counterclockwise eddy current, generate artificial cyclone.The swirling eddy road pavement of cyclone and kerb interior angle have extremely strong purging effect.Cyclone center ascending air, rotating dust and the foreign material swept, by negative pressure climbing power, is concentrated in center.In ascending air, suck the entrance of cyclone dust collectors 20 through aspiration channel 18.Dust-contained airflow is along the inwall High Rotation Speed of urceolus 10.The dust that particle is larger and foreign material, screwed in a disposal box 22 by lower rotational gas flow.The swirling eddy that the dust of relatively fine particle and foreign material are risen carries, and enters the entrance of centrifugal blower 4 through 8 air-purifying chambers of inner core, 9 tube connectors 6, then is extruded by outlet, generates artificial cyclone and carry out road cleaning operation in cyclone dust shield.
In order to make the not excessive dusty gas of cyclone dust shield 19, the suction air volume in cyclone dust shield 19 must be greater than air output so, remains negative pressure state.For this with converge the motor operated valve 5 that is connected of air compartment 3 and open, make the air-flow containing fine particle dust of small part be pressed into sack cleaner 12 fine particle dust through detour pipe 7 and be blocked in filter bag 11 external surfaces.When the particle dust that is delayed at filter bag 11 outside faces reaches certain thickness, open pulse blowing pipe.Sprayed into the dust layer that shakes off external surface in filter bag 11 high pressure draught moment, make it sedimentation, in secondary disposal box 23.
In the time that a disposal box 22 is filled soon with secondary disposal box 23, opening unloading valve 16 starts hydraulic pressure unloading unit 21 and opens positive pressure interface 24 and negative pressure interface 25 simultaneously, finally close Pneumatic dump valve 16, complete a cleaning work cycle, can continue the next cleaning work cycle.
Claims (4)
1. be applicable to road dust collecting and cleaning vehicles for various road surfaces and Active workings, comprise a car body that can travel (1), cyclone dust shield (19), aspiration channel (18), nozzle (17), four ajutages (2), remittance air compartment (3), centrifugal blower (4), tube connector (6), detour pipe (7), cyclone dust collectors (20), sack cleaner (12), an air-purifying chamber (9), a disposal box (22) and secondary disposal box (23), on described car body (1), be provided with by engine-driven centrifugal blower (4), in the bottom of car body (1), cyclone dust shield (19) is housed, the entrance of cyclone dust collectors (20) and cyclone dust shield (19) and the aspiration channel (18) that is positioned at cyclone dust shield (19) communicate, the lower end of cyclone dust collectors (20) communicates with a disposal box (22), the upper end of cyclone dust collectors (20) is connected with an air-purifying chamber (9), an air-purifying chamber (9) is connected with the entrance of centrifugal blower (4) by tube connector (6), and the air compartment (3) that converges is connected with the air outlet of centrifugal blower (4), converge air compartment (3) by being communicated with sack cleaner (12) through the detour pipe (7) of an air-purifying chamber (9), sack cleaner (12) is arranged on the upper end of secondary disposal box (23), the lower end of sack cleaner (12) communicates with secondary disposal box (23), and the upper end of sack cleaner (12) communicates with atmosphere, be provided with and converge four ajutages (2) that air compartment (3) communicates at described cyclone dust shield (19) four jiaos, every ajutage (2) is provided with nozzle (17), under the forced draft effect of remittance air compartment (3), the wind that four ajutages (2) are sent is the counter clockwise direction ejection along quadrangle tangential circle by nozzle (17), in described cyclone dust shield (19), form swirling eddy, under the effect of the suction air-flow of aspiration channel (18), swirling eddy forms a kind of rotating vortex of centripetal negative pressure, it is characterized in that: described cyclone dust collectors (20) comprise urceolus (10) and inner core (8), the lower end of urceolus (10) communicates with a disposal box (22), inner core (8) upper end communicates with an air-purifying chamber (9).
2. a kind of road dust collecting and cleaning vehicles that are applicable to various road surfaces and Active workings according to claim 1, it is characterized in that: described sack cleaner (12) upper space is secondary purifying air chamber (13), filter bag (11) in sack cleaner (12) is positioned at the below of secondary purifying air chamber (13), described sack cleaner (12) is provided with the air outlet (15) communicating with secondary purifying air chamber (13), and the top of filter bag (11) is provided with pulse blowing pipe (14).
3. a kind of road dust collecting and cleaning vehicles that are applicable to various road surfaces and Active workings according to claim 1 and 2, is characterized in that: described road dust collecting and cleaning vehicles also comprise motor operated valve (5), on the detour pipe (7) near remittance air compartment (3), motor operated valve (5) are set.
4. a kind of road dust collecting and cleaning vehicles that are applicable to various road surfaces and Active workings according to claim 3, it is characterized in that: described road dust collecting and cleaning vehicles also comprise positive pressure interface (24), negative pressure interface (25), Pneumatic dump valve (16) and hydraulic pressure unloading unit (21), positive pressure interface (24) is arranged on detour pipe (7), negative pressure interface (25) is arranged on tube connector (6), Pneumatic dump valve (16) is arranged on sack cleaner (12), hydraulic pressure unloading unit (21) is for making a disposal box (22) and secondary disposal box (23) run-off the straight dust and the foreign material to unstow and to collect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210173392.2A CN102660931B (en) | 2012-05-30 | 2012-05-30 | Road suction-sweeping vehicle suitable for various road surfaces and operating sites |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210173392.2A CN102660931B (en) | 2012-05-30 | 2012-05-30 | Road suction-sweeping vehicle suitable for various road surfaces and operating sites |
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| CN102660931A CN102660931A (en) | 2012-09-12 |
| CN102660931B true CN102660931B (en) | 2014-05-28 |
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| CN201210173392.2A Expired - Fee Related CN102660931B (en) | 2012-05-30 | 2012-05-30 | Road suction-sweeping vehicle suitable for various road surfaces and operating sites |
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| CN106049333A (en) * | 2016-07-28 | 2016-10-26 | 安徽省阜阳市速发机械有限责任公司 | Fallen leaf sweeping and sucking equipment |
| US20180178285A1 (en) * | 2016-12-23 | 2018-06-28 | General Electric Company | Method for controlling plume trajectories in additive manufacturing |
| CN110394345A (en) * | 2018-04-24 | 2019-11-01 | 惠州比亚迪电子有限公司 | Whirlwind blowing and drawing type exhaust system |
| CN109267526B (en) * | 2018-11-13 | 2023-11-24 | 湖北国苗特种车辆制造有限公司 | Blower rear-mounted dry-wet dual-purpose cleaning vehicle capable of back-blowing and ash-cleaning |
| CN111441295A (en) * | 2020-03-25 | 2020-07-24 | 福建龙马环卫装备股份有限公司 | Positive pressure dust removal system for dust collection vehicle and dust collection vehicle |
| CN113172043A (en) * | 2021-04-23 | 2021-07-27 | 深圳市信亿德科技有限公司 | Tornado dust removal workstation |
| WO2024067651A1 (en) * | 2022-09-27 | 2024-04-04 | 奥米德(深圳)科技研发有限公司 | Brushless non-contact high-pressure steam column dust suppression cleaning apparatus and road sweeper |
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| CN101003968A (en) * | 2006-01-19 | 2007-07-25 | 高亚峰 | Multifunctional complete sucking type sweeping car |
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- 2012-05-30 CN CN201210173392.2A patent/CN102660931B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201120U (en) * | 1987-03-11 | 1987-12-26 | 李国刚 | Road cleaning and dust collecting vehicle |
| CN101003968A (en) * | 2006-01-19 | 2007-07-25 | 高亚峰 | Multifunctional complete sucking type sweeping car |
| CN201037241Y (en) * | 2007-04-24 | 2008-03-19 | 方先学 | High-speed air flow cleaning dust removing vehicle |
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| CN102660931A (en) | 2012-09-12 |
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