CN202559285U - Road suction sweeper suitable for various pavements and operating sites - Google Patents

Road suction sweeper suitable for various pavements and operating sites Download PDF

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Publication number
CN202559285U
CN202559285U CN2012202498906U CN201220249890U CN202559285U CN 202559285 U CN202559285 U CN 202559285U CN 2012202498906 U CN2012202498906 U CN 2012202498906U CN 201220249890 U CN201220249890 U CN 201220249890U CN 202559285 U CN202559285 U CN 202559285U
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China
Prior art keywords
air
road
cyclone dust
cyclone
disposal box
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Withdrawn - After Issue
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CN2012202498906U
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Chinese (zh)
Inventor
彭湃
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彭湃
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Priority to CN2012202498906U priority Critical patent/CN202559285U/en
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Abstract

The utility model discloses a road suction sweeper suitable for various pavements and operating sites and relates to a road suction sweeper. The problems that the existing road suction sweeper is bad in sweeping effect and multiple in faults so as to cause low reliable operating rate are solved. The inlet of a cyclone dust collector is communicated with a tornado suction hood and the upper end of an air suction pipe positioned in the tornado suction hood; the lower end of the cyclone dust collector is communicated with a primary dust collection box; four air supply pipes which are communicated with an air collection chamber are arranged at the four corners of the tornado suction hood; a nozzle is arranged on each air supply pipe; the air fed by the four air supply pipes is sprayed by the nozzles along the anticlockwise direction of the tangent circle of the four corners under the action of the positive pressure air supply of the air collection chamber; and rotating air flow is formed in the tornado suction hood and forms a centripetal negative pressure rotating vortex under the action of the suction airflow of the air suction pipe. The sweeping effect is complete by utilizing the tornado airflow principle, and the fine dust particles of below PM2.5which harm the body health can be swept.

Description

A kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place
Technical field
The utility model relates to a kind of road dust collecting and cleaning vehicles, belongs to the 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 healthy, country has formulated the examination criteria of PM2.5.PM2.5 wherein pollutes with the road surface in 10% source in the air, and the quality level of visible raising road cleaning is very urgent.Present road-sweeper both domestic and external is to adopt brush to roll to clean mostly, collects the inlet scoop with disc brush again, gets into disposal box, also wants continual to round brush, disc brush, disposal box atomized water spray depositing dust simultaneously.This road-sweeper is difficult to the control fine solid particle and enters atmosphere.And the relatively poor waste water resource of cleaning quality level, also can't cleaning work at north of china in winter.In recent years, have again and a kind ofly 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.
The utility model content
There is the cleaning weak effect in the utility model in order to solve existing road dust collecting and cleaning vehicles; And application life is short, fault is more; Cause the lower problem of road sweeper reliability service rate, and then a kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place are provided.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be:
The said road dust collecting and cleaning vehicles of the utility model comprise a car body that can go, 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 said car body, be equipped with by engine-driven centrifugal blower, in the bottom of car body the cyclone dust shield be housed, the inlet of cyclone dust collectors and cyclone dust shield and the aspiration channel that is positioned at volume wind 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 inlet of centrifugal blower through tube connector, and the air compartment that converges is connected with the air outlet of centrifugal blower; The air compartment that converges is communicated with sack cleaner through the detour pipe that passes an air-purifying chamber, and sack cleaner is installed in the upper end of secondary disposal box, and the lower end of sack cleaner communicates with the secondary disposal box, the upper end of sack cleaner and atmosphere; Be provided with and converge four ajutages that air compartment communicates at said 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 seen off forms swirling eddy by the counter clockwise direction ejection of nozzle along quadrangle tangential circle in described cyclone dust shield, swirling eddy forms a kind of rotating vortex of entad negative pressure under the effect of the suction air-flow of aspiration channel.
The beneficial effect of the utility model is:
The utility model has been realized in the road cleaning operation, utilizes the rotation of cyclone to purge, and sucks the air-flow principle that promotes; Operation is swept in the suction of thoroughly accomplishing road surface kerb interior angle; Without brush water not, not having reentrainment of dust in the operation process, is a kind of energy-conserving and environment-protective road-sweeper.In the cleaning work process.Negative pressure air intake malleation at centrifugal blower goes out under the wind action, makes and generates artificial cyclone in the cyclone dust shield.Utilize cyclone rotation ascending air principle.The cyclone dust shield can carry out strong rotation to the dust foreign material on the road surface and purge away from the road surface.Suck the cyclone dust shield, through the preparatory dedusting of cyclone dust collectors.Screw in a disposal box to bulky grain dust and foreign material.The air-flow that contains thin 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 the cyclone dust shield, forms swirling eddy.Under the rising negative-pressure air-flow effect of cyclone dust shield aspiration channel, swirling eddy is produced 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 the dust foreign material of getting up to rotation, leans on the negative pressure climbing power to be concentrated in the ascending air; Through aspiration channel, suck cyclone dust collectors, go round and begin again and carry out cleaning work.
The utility model is excessive in order to make cleaning work not produce dust-contained airflow, the malleation of centrifugal air outlet, contains the air-flow of fine grained dust, and few part is pressed into sack cleaner and filters the back discharge.Suction air quantity in the cyclone dust shield keeps negative pressure state greater than being pressed into air quantity in the cover, can only inhalation mask in air-flow, the excessive cleaning work secondary pollution phenomenon that produces of dust-contained airflow can not take place.Cyclone utilizes cyclone air-flow principle to the road dust collecting and cleaning vehicles, carries out the road cleaning operation.Do not spray water without brush, the purging effect is thorough, and the trickle grit below the PM2.5 of harm health of human body also can be washed and sweep totally.
The utility model utilizes the artificial cyclone air-flow principle can be away from the road surface, and the road surface, the dust foreign material of kerb interior angle are rotated purging, sucks the cyclone dust shield and accomplishes cleaning work.The utility model is simple in structure, superior performance, and the cleaning effect is splendid.The 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 began cleaning work, centrifugal blower rotated at a high speed, and the inlet of centrifugal blower produces negative pressure, and the cyclone dust collectors that communicate with the centrifugal blower inlet and the aspiration channel of cyclone dust shield begin air draught.The inlet that after cyclone dust collectors separate, gets into centrifugal blower is extruded by outlet again.Be installed in four ajutage putting in blasts that communicate with remittance air compartment and centrifugal blower outlet of cyclone dust shield.Ajutage is installed in four jiaos of square cyclone dust shield, and the nozzle of ajutage is installed in counterclockwise.When nozzle sprays anticlockwise air-flow, in the cyclone dust shield, form and be rotated counterclockwise air-flow.Produced centripetal force to the malleation swirling eddy this moment under the negative-pressure air-flow effect of aspiration channel, 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 center ascending air of cyclone can lean on the dust foreign material of rotation purging the centripetal force of negative pressure to be concentrated in the ascending air of center.Be inhaled in the aspiration channel and cyclone dust collectors of cyclone.Realized that the cyclone road is inhaled and swept operation.The rotation of cyclone purges effect and strong ascending air.Not only the road surface purges thoroughly, and the cyclone dust shield can be away from the road surface, without brush water not.Described cyclone road dust collecting and cleaning vehicles under the effect of centrifugal blower, are inhaled the air-flow of sweeping that contains dust and foreign material by the cyclone dust shield when cleaning work, get into the cyclone dust collectors inlet through aspiration channel; Dust-contained airflow rotates at a high speed along the cyclone dust collectors barrel; Under action of centrifugal force, dust that particle is bigger and foreign material, be threaded into disposal box along the following rotational gas flow of barrel in; The less dust of particle is carried by last outstanding air-flow, gets into the inlet of centrifugal blower through the inner core of cyclone dust collectors.Described cyclone road dust collecting and cleaning vehicles contain the less dust-contained airflow of particle after the preparatory dedusting of cyclone dust collectors when cleaning work, most of being pressed into by the centrifugal blower outlet converged the wind device.In order to guarantee the operation of cyclone negative pressure state, few part dust-contained airflow is through motor operated valve, and the detour pipe is pressed into sack cleaner.The less dust of particle is hindered at the 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 the filter bag external surface to certain thickness.Open the winding-up pipe, spray into filter bag inner high voltage air-flow, fall filter bag external surface dust layer clearly in the secondary disposal box.Described cyclone road dust collecting and cleaning vehicles, cleaning work are after a period of time, when disposal box and secondary disposal box are filled soon.Open ash-unloading door, start unloading unit.All unstow disposal box and secondary disposal box.Ash-discharging device and close the unloading valve door then bounces back.Accomplish the cleaning work process that the cyclone road purges car.
Description of drawings
Fig. 1 is the described structural principle sketch map based on cyclone principle road dust collecting and cleaning vehicles of the utility model; Fig. 2 is a cyclone dust collectors dust-contained airflow centrifugation principle schematic (the A-A sectional view of Fig. 1), and Fig. 3 is that the cyclone dust shield purges dust suction principle schematic (the B-B sectional view of Fig. 1).
The specific embodiment
The specific embodiment one: shown in Fig. 1~3, the described a kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place of this embodiment comprise a car body that can go 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, air-purifying chamber 9, a disposal box 22 and a secondary disposal box 23; On said car body 1, be equipped with by engine-driven centrifugal blower 4; Cyclone dust shield 19 is housed in the bottom of car body 1, and (said cyclone dust shield is installed in the chassis below; Before and after in the middle of the two-wheeled), the inlet of cyclone dust collectors 20 and cyclone dust shield 19 and the upper end that is positioned at the aspiration channel 18 of rolling up wind 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 through the inlet of tube connector 6 with centrifugal blower 4, 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 through the detour pipe 7 that passes an air-purifying chamber 9, and sack cleaner 12 is installed in the upper end of secondary disposal box 23, and the lower end of sack cleaner 12 communicates with secondary disposal box 23, the upper end of sack cleaner 12 and atmosphere; Be provided with and converge four ajutages 2 that air compartment 3 communicates at said cyclone dust shield 19 four jiaos; Every ajutage 2 is provided with nozzle 17; Converging under the forced draft effect of air compartment 3, the wind that four ajutages 2 are seen off is by the counter clockwise direction ejection of nozzle 17 along quadrangle tangential circle, formation swirling eddy described cyclone dust shield 19 in; The rotating vortex that swirling eddy forms a kind of entad negative pressure under the effect of the suction air-flow of aspiration channel 18 (promptly forms artificial cyclone; The rotation ascending air of artificial cyclone makes 19 mouthfuls of the described cyclone dust shields can be under the situation away from ground, the dust foreign material of road surface and kerb interior angle thoroughly wash sweep clean).
The specific embodiment two: shown in Fig. 1~3, the said cyclone dust collectors 20 of this embodiment comprise urceolus 10 and inner core 8, 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: shown in Fig. 1~3; Said sack cleaner 12 upper spaces of this embodiment are secondary air-purifying chamber 13; Filter bag 11 in the sack cleaner 12 is positioned at the below of secondary air-purifying chamber 13; Said sack cleaner 12 is provided with the air outlet 15 that communicates with secondary air-purifying chamber 13, and the top of filter bag 11 is provided with pulse jet pipe 14.Other composition and annexation are identical with the specific embodiment one or two.
The specific embodiment four: shown in Fig. 1~3, the said road dust collecting and cleaning vehicles of this embodiment also comprise motor operated valve 5, on the detour pipe 7 near remittance air compartment 3, motor operated valve 5 are set.Other composition and annexation are identical with the specific embodiment one, two or three.
The specific embodiment five: shown in Fig. 1~3; The said road dust collecting and cleaning vehicles of this embodiment also comprise positive pressure interface 24, negative pressure interface 25, pneumatic unloading valve 16 and hydraulic pressure unloading unit 21; Positive pressure interface 24 is arranged on the detour pipe 7; Negative pressure interface 25 is arranged on the tube connector 6, and pneumatic unloading valve 16 is arranged on the sack cleaner 12, and hydraulic pressure unloading unit 21 is used to make disposal box 22 and 23 run-off the straights of secondary disposal box with on the dirt of collecting of unstowing and foreign material.Other composition and annexation are identical with the specific embodiment one, two, three or four.
When cleaning work; Aspiration channel 18 at described cyclone dust shield 19 under the centrifugal blower 4 entrance negative pressure effects begins air draughts under the forced draft effect of remittance air compartment 3; Four ajutage 2 putting in blasts are also cut former counter clockwise direction ejection by nozzle 17 along four jiaos; In described cyclone dust shield 19, form swirling eddy, swirling eddy forms eddy current, a kind of rotating vortex of entad negative pressure under the effect of the suction air-flow of aspiration channel 18.Form artificial cyclone.The rotation ascending air of artificial cyclone makes 19 mouthfuls of the described cyclone dust shields can be under the situation away from ground, the dust foreign material of road surface and kerb interior angle thoroughly wash sweep clean.When described road dust collecting and cleaning vehicles cleaning work, under the suction function of described centrifugal blower 4,, tangentially get into of the inwall rotation of described cyclone dust collectors 20 along urceolus 10 by dust and the foreign material that described aspiration channel 18 sucks.Under action 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 by the air-flow of cyclone pre-dusting and gets into centrifugal blower 4, and the operating efficiency of described cyclone dust collectors 20 can reach more than 80%, has improved the life-span of centrifugal blower 4 effectively.When described cyclone road dust collecting and cleaning vehicles cleaning work; Centrifugal blower 4 advances described remittance air compartment 3 to the air-flow force feed that sucks through dedusting in advance; And be pressed into four ajutages 2 simultaneously and in described cyclone dust shield 19, form swirling eddy by converging air compartment 3; Suck under the air-flow effect at aspiration channel 18, form artificial cyclone and keep negative pressure state in order to make described cyclone dust shield 19, it is excessive that dust-contained airflow does not take place.Described remittance air compartment 3 also communicates with motor operated valve 5, detour pipe 7, sack cleaner 12, crosses adjustment motor operated valve 5 to few part through the air communication of preparatory dedusting and is pressed into sack cleaner 12, enters atmosphere after the filtration.When described cyclone road dust collecting and cleaning vehicles cleaning work for keeping the negative pressure state of described cyclone dust shield 19; The aperture of adjustment motor operated valve 5 is the part malleation of remittance air compartment 3; The dust-contained airflow of the preparatory dedusting of warp is pressed into sack cleaner 12 by detour pipe 7 and enters atmosphere through filter bag 11 filtrations entering secondary air-purifying chamber 13 up to standard by air outlet 15; Be delayed at the dust layer of filter bag 11 external surfaces, have the pulse jet pipe to blow off and reduce in the secondary disposal box 23.
The operating principle of the utility model:
When centrifugal blower 4 started, its import produced the negative pressure outlet and produces malleation, and aspiration channel 18 begins to suck the air-flow that contains dust and foreign material that purges through cyclone under action of negative pressure, and entering cyclone dust collectors 20 rotate at a high speed along the inwall of urceolus 10.Bulky grain dust foreign material; Under action of centrifugal force; Quilt rotational gas flow down carries; Screw in disposal box 22 fine particle dust and carried to get into centrifugal blowers 4 and be pressed into by outlet through 8 air-purifying chambers of inner core, 9 tube connectors 6 by last rotational gas flow and converge air compartment 3 and be pressed into ajutage 2 simultaneously and spray counterclockwise by nozzle 17, gaseous purge stream is rotated in formation cyclone dust shield 19 in.
Excessive in order to prevent dust-contained airflow, the cyclone dust shield is blown into gas flow must be less than sucking gas flow.Open for this reason and converge the motor operated valve 5 that air compartment 3 communicates.Few part contains the air-flow of fine grained dust is discharged by air outlet 15 through detour pipe 7 entering sack cleaners 12 gas entering secondary air-purifying chamber 13 up to standard after filter bag 11 filters, and the fine grained dust that is delayed at filter bag 11 external surfaces is blown off to secondary disposal box 23 by pulse jet pipe 14.
When a disposal box 22 is filled with secondary disposal box 23 soon; Open pneumatic unloading valve 16 startup hydraulic pressure unloading units 21 and open positive pressure interface 24, negative pressure interface 25 and negative pressure interface 26 simultaneously; And a disposal box 22 is tilted with secondary disposal box 23, unstow the dust foreign material.The hydraulic pressure unloading unit 21 that bounces back is then closed positive pressure interface 24, negative pressure interface 25 and negative pressure interface 26, closes unloading valve 16 at last, can continue cleaning work then.
Cyclone road dust collecting and cleaning vehicles go along the road right side during beginning cleaning work, start centrifugal blower 4 its impellers and begin rotation at a high speed, make its inlet produce negative pressure, and outlet produces negative pressure.Make the nozzle 17 of four ajutages 2 in the 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 the cyclone dust shield, this moment, aspiration channel 18 also began to suck air-flow.Center in the cyclone dust shield produces 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 of sweeping, leans on the negative pressure climbing power, is concentrated in the center.In the ascending air, suck the inlet of cyclone dust collectors 20 through aspiration channel 18.Dust-contained airflow rotates at a high speed along the inwall of urceolus 10.Dust that particle is bigger and foreign material are descended rotational gas flow to screw in a disposal box 22.The swirling eddy that more fine grain dust and foreign material are risen carries, and the inlet through 8 air-purifying chambers of inner core, 9 tube connectors, 6 entering centrifugal blowers 4 is extruded by outlet again, in the cyclone dust shield, generates artificial cyclone and carries out the road cleaning operation.
In order to make the not excessive dusty gas of cyclone dust shield 19, the suction air volume in the cyclone dust shield 19 must remain negative pressure state greater than air output so.For this with converge the motor operated valve 5 that air compartment 3 is connected and open, make the air-flow that contains the fine particle dust of few part be pressed into sack cleaner 12 fine particle dust and be blocked in filter bag 11 external surfaces through detour pipe 7.When the particle dust that is delayed at filter bag 11 outside faces reaches certain thickness, open the pulse jet pipe.Spray into the fall dust layers of external surface of shake in the filter bag 11 to high pressure draught moment, make it sedimentation, in secondary disposal box 23.
When a disposal box 22 is filled with secondary disposal box 23 soon; Open unloading valve 16 startup hydraulic pressure unloading units 21 and open positive pressure interface 24 and negative pressure interface 25 simultaneously; Close pneumatic unloading valve 16 at last, accomplish a cleaning work cycle, can continue the next cleaning work cycle.

Claims (5)

1. road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place, it is characterized in that: said road dust collecting and cleaning vehicles comprise a car body that can go (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 said car body (1), be equipped with by engine-driven centrifugal blower (4); In the bottom of car body (1) cyclone dust shield (19) is housed, the inlet of cyclone dust collectors (20) and cyclone dust shield (19) and the aspiration channel (18) that is positioned at volume wind 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 through the inlet of tube connector (6) with centrifugal blower (4), 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) through the detour pipe (7) that passes an air-purifying chamber (9); Sack cleaner (12) is installed in the upper end of secondary disposal box (23); The lower end of sack cleaner (12) communicates with secondary disposal box (23), the upper end and the atmosphere of sack cleaner (12); Be provided with and converge four ajutages (2) that air compartment (3) communicates at said 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 seen off by nozzle (17) along the ejection of the counter clockwise direction of quadrangle tangential circle, formation swirling eddy described cyclone dust shield (19) in, swirling eddy forms a kind of rotating vortex of entad negative pressure under the effect of the suction air-flow of aspiration channel (18).
2. a kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place according to claim 1; It is characterized in that: said cyclone dust collectors (20) comprise urceolus (10) and inner core (8); The lower end of urceolus (10) communicates with a disposal box (22), and inner core (8) upper end communicates with an air-purifying chamber (9).
3. a kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place according to claim 2; It is characterized in that: said sack cleaner (12) upper space is secondary air-purifying chamber (13); Filter bag (11) in the sack cleaner (12) is positioned at the below of secondary air-purifying chamber (13); Said sack cleaner (12) is provided with the air outlet (15) that communicates with secondary air-purifying chamber (13), and the top of filter bag (11) is provided with pulse jet pipe (14).
4. according to claim 1,2 or 3 described a kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place, it is characterized in that: said 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.
5. a kind of road dust collecting and cleaning vehicles that are fit to various road surfaces and operation place according to claim 4; It is characterized in that: said road dust collecting and cleaning vehicles also comprise positive pressure interface (24), negative pressure interface (25), pneumatic unloading valve (16) and hydraulic pressure unloading unit (21); Positive pressure interface (24) is arranged on the detour pipe (7); Negative pressure interface (25) is arranged on the tube connector (6); Pneumatic unloading valve (16) is arranged on the sack cleaner (12), and hydraulic pressure unloading unit (21) is used to make a disposal box (22) and dust and the foreign material of secondary disposal box (23) run-off the straight to unstow and to collect.
CN2012202498906U 2012-05-30 2012-05-30 Road suction sweeper suitable for various pavements and operating sites Withdrawn - After Issue CN202559285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202498906U CN202559285U (en) 2012-05-30 2012-05-30 Road suction sweeper suitable for various pavements and operating sites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202498906U CN202559285U (en) 2012-05-30 2012-05-30 Road suction sweeper suitable for various pavements and operating sites

Publications (1)

Publication Number Publication Date
CN202559285U true CN202559285U (en) 2012-11-28

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Application Number Title Priority Date Filing Date
CN2012202498906U Withdrawn - After Issue CN202559285U (en) 2012-05-30 2012-05-30 Road suction sweeper suitable for various pavements and operating sites

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102660931A (en) * 2012-05-30 2012-09-12 彭湃 Road suction-sweeping vehicle suitable for various road surfaces and operating sites
CN103898855A (en) * 2014-03-17 2014-07-02 王锡山 Brushless sweeper for road surface and manufacturing method thereof
RU2532272C1 (en) * 2012-04-18 2014-11-10 Родиния Текнолоджиз Лтд. Device and method of cleaning wall and floor surfaces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2532272C1 (en) * 2012-04-18 2014-11-10 Родиния Текнолоджиз Лтд. Device and method of cleaning wall and floor surfaces
CN102660931A (en) * 2012-05-30 2012-09-12 彭湃 Road suction-sweeping vehicle suitable for various road surfaces and operating sites
CN102660931B (en) * 2012-05-30 2014-05-28 彭湃 Road suction-sweeping vehicle suitable for various road surfaces and operating sites
CN103898855A (en) * 2014-03-17 2014-07-02 王锡山 Brushless sweeper for road surface and manufacturing method thereof

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AV01 Patent right actively abandoned

Granted publication date: 20121128

Effective date of abandoning: 20140528

RGAV Abandon patent right to avoid regrant