CN102277846A - Suction-sweeping type sweeping machine and suction tube dust falling device thereof - Google Patents

Suction-sweeping type sweeping machine and suction tube dust falling device thereof Download PDF

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Publication number
CN102277846A
CN102277846A CN2011101387802A CN201110138780A CN102277846A CN 102277846 A CN102277846 A CN 102277846A CN 2011101387802 A CN2011101387802 A CN 2011101387802A CN 201110138780 A CN201110138780 A CN 201110138780A CN 102277846 A CN102277846 A CN 102277846A
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China
Prior art keywords
suction pipe
dust
sweeping machine
suction
sweeping
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CN2011101387802A
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Chinese (zh)
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CN102277846B (en
Inventor
辛绪早
肖庆麟
谢永洲
张星明
沈维阳
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Changsha Zoomlion Environmental Industry Co Ltd
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Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
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Application filed by Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd filed Critical Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
Priority to CN201210590516.7A priority Critical patent/CN103061296B/en
Priority to CN201110138780.2A priority patent/CN102277846B/en
Priority to PCT/CN2011/075544 priority patent/WO2012159280A1/en
Publication of CN102277846A publication Critical patent/CN102277846A/en
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Publication of CN102277846B publication Critical patent/CN102277846B/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827Dislodging 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
    • E01H1/0836Apparatus dislodging all of the dirt by suction ; Suction nozzles

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a suction-sweeping type sweeping machine and a suction tube dust falling device thereof. The suction tube dust falling device comprises a water supply assembly, wherein the water supply assembly is communicated with an inner cavity of a suction tube of the sweeping machine through a pipeline so as to provide water for falling dust and lubricating the inner wall of the suction tube. The sweeping machine comprises a chassis, a dustbin, a sweeping assembly, a suction nozzle assembly and the suction tube dust falling device, wherein the dustbin, the sweeping assembly, the suction nozzle assembly and the suction tube dust falling device are arranged on the chassis; the suction nozzle assembly comprises a fan, a suction nozzle and a suction tube, wherein the suction nozzle is communicated with the dustbin through an elastic telescopic tube and the suction tube, and a suction opening of the fan is communicated with the dustbin through a pipeline. According to the invention, inner wall adhesion or blockage of the suction tube of the sweeping machine can be effectively solved, and sweeping capacity of the whole sweeping machine is improved.

Description

The suction pipe device for reducing dust and the sweeping machine that are used for the dust-absorption sweeping type sweeping machine
Technical field
The present invention is mainly concerned with the sweeping machine field, refers in particular to a kind of suction pipe device for reducing dust and sweeping machine of dust-absorption sweeping type sweeping machine.
Background technology
Suction is swept has in conjunction with the wet dust removal sweeping machine that cleaning speed is fast, environment pollution is little, the cleaning efficiency advantages of higher, has obtained extensive use at home and abroad.Brush on the dish is rotated on the road surface and the operation airborne dust appears in the blower fan wind exhausting outlet for fear of sweeping, cause air pollution, this sweeping machine generally all is provided with water injector sweeping dish top, suction nozzle inside, and filtered water tank, sprinkler system that the required pressurised cleaning water of its water injector is carried by car body provide.During operation, the atomizing clean water of sweeping the ejection of the dish top water injector at first earth on the road pavement, dust, rubbish thing etc. is sprayed water and is prewetted.Then, allow the dish of sweeping following closely that these are swept to the suction nozzle dead ahead by moistening rubbish thing, under the effect of blower fan negative pressure, these rubbish things are sucked dustbin through suction nozzle, elastic telescopic pipe, suction pipe etc.At this moment, the atomizing clean water of the inner water injector ejection of suction nozzle is to processings of spraying water once more of the dust-laden rubbish thing of the suction nozzle of flowing through, and after secondary water spray humidifying before and after like this, makes the operation airborne dust of sweeping machine obtain controlling preferably.
In the above-mentioned course of work,, be to inhale an important composition part of sweeping in conjunction with the wet dust removal sweeping machine by the air-transport system that suction nozzle, elastic telescopic pipe, suction pipe, dustbin, blower fan and outlet air channel etc. form.More unobstructed for strength is carried, reduce the wearing and tearing of dust-contained airflow to the blower fan workpiece, the wet dust removal sweeping machine generally all adopts the rearmounted layout type of blower fan.Promptly adopt to inhale and send the formula pneumatic conveying mode, after water spray humidifyings such as earth, dust, rubbish thing,, under the effect of blower fan negative pressure, suck dustbin via suction nozzle, elastic telescopic pipe, suction pipe etc.Dust-contained airflow have only through dustbin the sedimentation of rubbish thing is handled after, just can enter blower fan, wind exhausting outlet is discharged in the atmosphere.
Send in the rotating vane type dust-laden mass transport passage in above-mentioned suction, the suction nozzle position is because inside is provided with water injector, and the negative pressure of dust-contained airflow and speed are all very high, and wetted surfaces is not easy to produce sticking stifled phenomenon.The elastic telescopic pipe position is because sweeping machine has the acting in conjunction that car body jolts, suction nozzle is beated in the operation driving process, and it is moving to cause elastic telescopic pipe to continue material, and its wetted surfaces can not produce sticking stifled phenomenon yet.Be easy to generate and glue junction and near the position that stifled position is suction pipe hypomere, suction pipe sealing ring and suction pipe epimere.The main cause that produces sticking stifled (even blocking) has following two aspects:
On the one hand: in dustbin, rationally distribute its suction pipe certain angle that partly receded on the whole in order to make the rubbish thing.Fully the mixed material of big humidity such as the earth of humidifying, dust, rubbish thing is under the effect of high speed negative-pressure air-flow, with hydrone, air-flow weave in, through suction nozzle, particularly pass through the corrugated surface of elastic telescopic pipe after, owing to be subjected to the influence of wetted surfaces internal friction power, the negative pressure of the dust-contained airflow that is close to suction pipe inwall and periphery of inner wall and speed sharply descended.At this moment, earth (viscosity walk) that a part of volume or density are bigger or garbage mixture drop on the inwall after the inclination suction pipe leans on, stick to tightly on the wall, and be cumulative, intersected with each other, the area of passage of inclination suction pipe is reduced gradually even block fully.
On the other hand: the suction pipe that tilts to be installed on the car body travels forward synchronously with car body.At this moment, the volume or the bigger earth (viscosity walk) or the rubbish thing mixture of density of high-speed motion will bump with the suction pipe inwall in the inclination suction pipe.Earth (walk) that is collided or garbage mixture hit tightly and stick on the suction pipe inwall, the cumulative and sclerosis stratification of clod.So not only can cause the suction pipe inner wall coarse but also can cause transporting resistance to increase, certainly will be transported to a certain degree blockage phenomenon afterwards.
After the suction pipe inwall takes place to glue stifled or clogging, subtle, influence the road surface cleaning effect.And,, brought very big inconvenience to operation and maintenance so be difficult to clear owing to harden very closely knitly.
Summary of the invention
Technical problem to be solved by this invention is: at the technical problem that prior art exists, the invention provides a kind of sweeping machine suction pipe inwall that can effectively solve and glue the suction pipe device for reducing dust and the sweeping machine that are used for the dust-absorption sweeping type sweeping machine stifled or blockage problem and then raising complete machine cleaning ability.
The present invention further provides a kind of sewage that can directly utilize in the rubbish and solve sweeping machine suction pipe inwall sticking stifled or the suction pipe device for reducing dust and the sweeping machine that are used for the dust-absorption sweeping type sweeping machine blockage problem, that have better environmental protection practicality.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine comprises the water supply assembly, and described water supply assembly is communicated with the inner chamber of sweeping machine suction pipe so that depositing dust and lubricated suction pipe inwall water to be provided by pipeline.
Described water supply assembly comprises the effluent cycle filter mechanism that is positioned at the sweeping machine dustbin.
Described effluent cycle filter mechanism comprises the soil chamber that is positioned at the dustbin inner bottom part, be provided with one group of above strainer between the entrance point of described soil chamber and the dustbin inner top rubbish chamber, the port of export of described soil chamber is communicated with by the inner chamber of pipeline with the sweeping machine suction pipe.
Described strainer comprises high-order effluent filter and the low level effluent filter that is arranged in differing heights position, rubbish chamber.
Described high-order effluent filter and low level effluent filter are formed by filter more than one deck or screen pack.
The exit of described soil chamber is provided with fine filter.
Be equiped with sewage valve and maintenance cock on the pipeline between the inner chamber of the port of export of described soil chamber and sweeping machine suction pipe.
Offer water hole on the described sweeping machine suction pipe, described water hole is communicated with the water supply assembly by pipeline.
The present invention further provides a kind of sweeping machine, comprise the chassis and be installed in dustbin on the chassis, cleaning assembly and suction nozzle assembly, described suction nozzle assembly comprises blower fan, suction nozzle and suction pipe, described suction nozzle is communicated with dustbin by elastic telescopic pipe, suction pipe, the suction opeing of described blower fan is communicated with dustbin by pipeline, also comprises above-mentioned suction pipe device for reducing dust.
Described suction pipe comprises suction pipe epimere, suction pipe hypomere and suction pipe sealing ring, described suction pipe epimere is installed on the dustbin, described suction pipe hypomere and suction pipe sealing ring are fixed on the chassis frame, described suction pipe epimere is communicated with the suction pipe hypomere by the suction pipe sealing ring, and the inner chamber of described suction pipe hypomere is connected with described water supply assembly by pipeline.
Compared with prior art, the invention has the advantages that:
1, the present invention is used for the suction pipe device for reducing dust and the sweeping machine of dust-absorption sweeping type sweeping machine, simple in structure, easy and simple to handle, under the suction function of existing strength system, provide moisture to make it be close to the periphery of inner wall of suction pipe and be sucked upwards by the water supply assembly and flow, both Castor Oil suction pipe inwalls, reduce the frictional force of dust-contained airflow and suction pipe inwall, reach the sticking effect of blocking up, not producing the reentrainment of dust pollution of prevention suction pipe, can also further reduce labor intensity of operating personnel, improve the operating efficiency and the operation quality of wet dust removal sweeping machine;
2, the present invention is used for the suction pipe device for reducing dust and the sweeping machine of dust-absorption sweeping type sweeping machine, and is less demanding to the cleanliness factor of filtered water, therefore utilized the sewage in the rubbish, make it filter the back cycling and reutilization, not only save water, improved the feature of environmental protection, also further prolonged the cruising time of sweeping machine;
3, the present invention is used for the suction pipe device for reducing dust and the sweeping machine of dust-absorption sweeping type sweeping machine, has adopted the three-stage filtration mode, has improved the filter effect of sewage greatly, has guaranteed the reliability that effluent cycle is utilized;
4, the present invention is provided with on the sidewall of suction pipe hypomere and the communicating pipe water hole that is communicated with of delivery port, filtered sewage enters the inner chamber of suction pipe hypomere from water hole, and upwards flow along its inwall, the inwall of the whole suction pipe of sufficient lubrication more, its dedusting, blocking-proof result are better.
Description of drawings
Fig. 1 is the structural representation that the sweeping machine of suction pipe device for reducing dust of the present invention is housed;
Fig. 2 is the broken section structure for amplifying schematic diagram of A-A among Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram at I place among Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram at II place among Fig. 1;
Fig. 5 is the sectional structure schematic diagram of C-C among Fig. 4.
Marginal data
1, dustbin; 101, rubbish chamber; 102, soil chamber; 2, high-order effluent filter; 201, filter; 202, taper countersunk head formula treatment hole; 3, suction pipe; 301, suction pipe epimere; 302, suction pipe sealing ring; 303, suction pipe hypomere; 304, water hole; 4, low level effluent filter; 5, communicating pipe; 6, fine filter; 7, sewage discharge device; 8, sewage valve; 9, maintenance cock; 10, elastic telescopic pipe; 11, suction nozzle; 12, chassis frame; 13, blower fan air intake interface; 14, ready-package sealing pipe clamp; 15, sealing ring.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiment and accompanying drawing.
As shown in Figure 1, the present invention is used for the suction pipe device for reducing dust of dust-absorption sweeping type sweeping machine, comprise the water supply assembly, the water supply assembly is communicated with the inner chamber of sweeping machine suction pipe 3 so that depositing dust and lubricated suction pipe inwall water to be provided by pipeline, the assembly that promptly supplies water provides water in the inner chamber of sweeping machine suction pipe 3, again by having for example following negative pressure that is produced of suction function of blower fan of strength system on the sweeping machine now, make water be close to the periphery of inner wall of suction pipe 3, the inwall of lubricated suction pipe 3, reduce the frictional force of dust-contained airflow and suction pipe 3 inwalls, it is sticking stifled to reach prevention suction pipe 3, guarantee the area of passage in the suction pipe 3, do not produce the effect that reentrainment of dust pollutes.Simultaneously, because the water that flows in the suction pipe 3 is to travel up in the dustbin 1, can not spill to the road surface, therefore can road pavement not cause mud contamination, can not have influence on cleaning effect and quality because of causing excessive the adhering on the contrary of pavement garbage humidity to be difficult on the road surface sucking dustbin.
Further, the water supply assembly among the present invention mainly is to utilize the sewage resource in the rubbish to carry out cycling and reutilization, is directly used by the water supply assembly after promptly filtering again, and has saved water, also further improves its feature of environmental protection.Therefore, the present invention is provided with the effluent cycle filter mechanism in sweeping machine dustbin 1.
Further, in the present embodiment, this effluent cycle filter mechanism comprises the soil chamber 102 that is positioned at dustbin 1 inner bottom part, be provided with one group of above strainer between the entrance point of soil chamber 102 and the dustbin 1 inner top rubbish chamber 101, the port of export of soil chamber 102 is communicated with by the inner chamber of pipeline with sweeping machine suction pipe 3.Waste deposit is in rubbish chamber 101, and the sewage in the rubbish can carry out sedimentation and handle through flowing in the soil chamber 102 behind the strainer in soil chamber 102, is admitted at last in the inner chamber of sweeping machine suction pipe 3 to be used.Just realize the recycling of sewage in the rubbish thus, not only improved its feature of environmental protection, also further prolonged the cruising time of sweeping machine.
Further, referring to Fig. 1 and Fig. 2, in the present embodiment, strainer comprises high-order effluent filter 2 and the low level effluent filter 4 that is arranged in 101 differing heights positions, rubbish chamber, makes it reach preferable filter effect.This high position effluent filter 2 and low level effluent filter 4 all can be made up of filter more than one deck 201 or screen pack.This filter 201 or screen pack all adopt structure for convenience detach.With filter 201 is example, and it vertically is arranged between rubbish chamber 101 and the soil chamber 102, passes through bolton all around.Filter 201 is provided with taper countersunk head formula treatment hole 202, and the small bore end of taper countersunk head formula treatment hole 202 is towards rubbish chamber 101, and big nose end is towards soil chamber 102, and sewage flows to big nose end from small bore end, shown in the direction of arrow among Fig. 2 and Fig. 3.Taper countersunk head formula treatment hole 202 is convenient to clean and maintenance, is not easy to produce to stop up, even produced little " obstruction " thin layer filter cake in short-term, also is easy to be extruded outside the hole.
Further, in the present embodiment, be provided with fine filter 6 in the exit of soil chamber 102, this fine filter 6 can adopt one group of ready-package fine filter that filtering accuracy is different according to actual needs, makes the filter effect of sewage improve greatly.
Further, in the present embodiment, on the pipeline between the inner chamber of the port of export of soil chamber 102 and sweeping machine suction pipe 3, be equiped with sewage valve 8 and maintenance cock 9, convenient it is cleaned, overhauls and safeguards.
By the said structure of present embodiment, in fact the present invention has adopted " coarse filtration-sedimentation filtration-essence filter " three-stage filtration mode, can further guarantee the filter effect of sewage, improves the filtering accuracy that flows into the filtered water in the suction pipe 3.Wherein, two effluent filters that high and low position is different being set in " coarse filtration " mode, is the distribution situation of rubbish thing and definite in the dustbin 1 during according to cleaning work.The rubbish thing was not that contour rising increases in the distribution of dustbin 1 when reason was cleaning work, but was the many preceding few subtriangular distributions in back.In this case, even after the low level effluent filter 4 at rear portion was hidden by rubbish, anterior high-order effluent filter 2 still worked on, and does not influence filter effect.
Further, referring to Fig. 3, in the present embodiment, offer water hole 304 on the sweeping machine suction pipe 3, water hole 304 is communicated with the water supply assembly by pipeline, and this pipeline is communicating pipe 5.Filtered sewage enters the inner chamber of suction pipe 3 from water hole 304, and upwards flows along its inwall, the inwall of the whole suction pipe 3 of sufficient lubrication more, and its dedusting, blocking-proof result are better.The shape of water hole 304 is unrestricted, can be designed to rectangle, oval shape, ellipse or circle etc. according to actual needs.Communicating pipe 5 is preferably flexible pipe, and convenience is installed and is connected.
Referring to Fig. 1, the present invention further provides a kind of sweeping machine, comprise the chassis and be installed in dustbin 1 on the chassis, cleaning assembly and suction nozzle assembly, the suction nozzle assembly comprises blower fan, suction nozzle 11 and suction pipe 3, suction nozzle 11 is communicated with dustbin 1 by suction pipe 3, be provided with elastic telescopic pipe 10 between suction nozzle 11 and the suction pipe 3, the suction opeing of blower fan is communicated with dustbin 1 by pipeline.Suction pipe 3 comprises suction pipe epimere 301, suction pipe hypomere 303 and suction pipe sealing ring 302, and suction pipe epimere 301 is installed on the dustbin 1, can together overturn with dustbin 1.Suction pipe hypomere 303 and suction pipe sealing ring 302 are fixed on the chassis frame 12, and suction pipe hypomere 303 is communicated with suction nozzle 11 by elastic telescopic pipe 10.Suction pipe epimere 301 is communicated with suction pipe hypomere 303 by suction pipe sealing ring 302.
The present invention also comprises above-mentioned suction pipe device for reducing dust.Wherein, the inner chamber of suction pipe hypomere 303 is connected with the water supply assembly by pipeline.Water hole 304 is opened on the suction pipe hypomere 303.
Further, referring to Fig. 4 and Fig. 5, in the present embodiment, the outer wall of suction pipe hypomere 303 is provided with the projective table type cavity volume, in water hole 304 is enclosed in, be equiped with ready-package sealing pipe clamp 14 on the projective table type cavity volume, suction pipe hypomere 303 seals between the pipe clamp 14 with ready-package and is provided with sealing ring 15.The through hole that the water side of communicating pipe 5 is passed on ready-package sealing pipe clamp 14 and the sealing ring 15 is communicated with water hole 304.This connected mode is reliable and stable, convenient to disassembly.The filtered water of 5 interior outflows lodges in earlier in the projective table type cavity volume from communicating pipes, enter the inner chamber of suction pipe hypomere 303 again through the water hole 304 on the suction pipe hypomere 303, the water yield that can avoid entering in the suction pipe 3 is excessive or too small, has influence on the absorption or the dedusting lubricant effect of rubbish.
When wet dust removal sweeping machine of the present invention is in transport condition, suction nozzle 11 will promote them more than certain altitude built on stilts 220 mm by the suction nozzle hoisting mechanism, to guarantee the trafficability characteristic of travelling of vehicle rear.At this moment, elastic telescopic pipe 10 is in compressive state.
Wet dust removal sweeping machine of the present invention is when carrying out cleaning work, and suction nozzle 11 will drop to the operating position with it by the suction nozzle hoisting mechanism.At this moment, the road wheel of suction nozzle 11 is bearing on the road surface, and by chassis traction walking, elastic telescopic pipe 10 is in extended configuration.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite all should be considered as protection scope of the present invention.

Claims (10)

1. suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine, it is characterized in that: comprise the water supply assembly, described water supply assembly is communicated with the inner chamber of sweeping machine suction pipe (3) so that depositing dust and lubricated suction pipe inwall water to be provided by pipeline.
2. the suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine according to claim 1 is characterized in that: described water supply assembly comprises the effluent cycle filter mechanism that is positioned at sweeping machine dustbin (1).
3. the suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine according to claim 2, it is characterized in that: described effluent cycle filter mechanism comprises the soil chamber (102) that is positioned at dustbin (1) inner bottom part, be provided with one group of above strainer between the entrance point of described soil chamber (102) and dustbin (1) the inner top rubbish chamber (101), the port of export of described soil chamber (102) is communicated with by the inner chamber of pipeline with sweeping machine suction pipe (3).
4. the suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine according to claim 3 is characterized in that: described strainer comprises high-order effluent filter (2) and the low level effluent filter (4) that is arranged in differing heights position, rubbish chamber (101).
5. the suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine according to claim 4 is characterized in that: described high-order effluent filter (2) and low level effluent filter (4) are formed by filter more than one deck (201) or screen pack.
6. the suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine according to claim 3 is characterized in that: the exit of described soil chamber (102) is provided with fine filter (6).
7. the suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine according to claim 3 is characterized in that: be equiped with sewage valve (8) and maintenance cock (9) on the pipeline between the inner chamber of the port of export of described soil chamber (102) and sweeping machine suction pipe (3).
8. according to any described suction pipe device for reducing dust that is used for the dust-absorption sweeping type sweeping machine in the claim 1~7, it is characterized in that: offer water hole (304) on the described sweeping machine suction pipe (3), described water hole (304) is communicated with described water supply assembly by pipeline.
9. sweeping machine, comprise the chassis and be installed in dustbin (1) on the chassis, cleaning assembly and suction nozzle assembly, described suction nozzle assembly comprises blower fan, suction nozzle (11) and suction pipe (3), described suction nozzle (11) is communicated with dustbin (1) by elastic telescopic pipe (10), suction pipe (3), the suction opeing of described blower fan is communicated with dustbin (1) by pipeline, it is characterized in that: also comprise any described suction pipe device for reducing dust in the claim 1~8.
10. sweeping machine according to claim 9, it is characterized in that: described suction pipe (3) comprises suction pipe epimere (301), suction pipe hypomere (303) and suction pipe sealing ring (302), described suction pipe epimere (301) is installed on the dustbin (1), described suction pipe hypomere (303) and suction pipe sealing ring (302) are fixed on the chassis frame (12), described suction pipe epimere (301) is communicated with suction pipe hypomere (303) by suction pipe sealing ring (302), and the inner chamber of described suction pipe hypomere (303) is connected with described water supply assembly by pipeline.
CN201110138780.2A 2011-05-26 2011-05-26 Suction-sweeping type sweeping machine and suction tube dust falling device thereof Active CN102277846B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210590516.7A CN103061296B (en) 2011-05-26 2011-05-26 Suction pipe dust settling device for suction type sweeping machines and sweeping machine
CN201110138780.2A CN102277846B (en) 2011-05-26 2011-05-26 Suction-sweeping type sweeping machine and suction tube dust falling device thereof
PCT/CN2011/075544 WO2012159280A1 (en) 2011-05-26 2011-06-09 Dust collecting system and road sweeping vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110138780.2A CN102277846B (en) 2011-05-26 2011-05-26 Suction-sweeping type sweeping machine and suction tube dust falling device thereof

Related Child Applications (1)

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CN201210590516.7A Division CN103061296B (en) 2011-05-26 2011-05-26 Suction pipe dust settling device for suction type sweeping machines and sweeping machine

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CN102277846A true CN102277846A (en) 2011-12-14
CN102277846B CN102277846B (en) 2015-03-25

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CN107794872A (en) * 2017-11-09 2018-03-13 福建龙马环卫装备股份有限公司 A kind of sweeping machine with effluent cycle device for reducing dust
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CN109930532A (en) * 2019-04-12 2019-06-25 日照职业技术学院 A kind of environmental landscape purification cleaning vehicle
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WO2022067912A1 (en) * 2020-09-29 2022-04-07 南京英达公路养护车制造有限公司 Sewage separation, purification and recycling apparatus for sweeper truck

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