CN103061296A - Suction pipe dust settling device for suction type sweeping machines and sweeping machine - Google Patents

Suction pipe dust settling device for suction type sweeping machines and sweeping machine Download PDF

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Publication number
CN103061296A
CN103061296A CN2012105905167A CN201210590516A CN103061296A CN 103061296 A CN103061296 A CN 103061296A CN 2012105905167 A CN2012105905167 A CN 2012105905167A CN 201210590516 A CN201210590516 A CN 201210590516A CN 103061296 A CN103061296 A CN 103061296A
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CN
China
Prior art keywords
suction pipe
dust
sweeping machine
suction
pipe
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Granted
Application number
CN2012105905167A
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Chinese (zh)
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CN103061296B (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 Environmental Sanitation Machinery Co Ltd
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Application filed by Changsha Zoomlion Environmental Sanitation Machinery Co Ltd filed Critical Changsha Zoomlion Environmental Sanitation Machinery Co Ltd
Priority to CN201110138780.2A priority Critical patent/CN102277846B/en
Publication of CN103061296A publication Critical patent/CN103061296A/en
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Publication of CN103061296B publication Critical patent/CN103061296B/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

Abstract

The invention discloses a suction pipe dust settling device for suction type sweeping machines and a sweeping machine. The dust settling device comprises a water supplying assembly, the water supplying assembly is communicated with an inner cavity of a suction pipe of the sweeping machine through pipelines to provide water for settling dust on the inner wall of the suction pipe and lubricating the inner wall of the suction pipe, water holes are opened on the suction pipe and communicated with the water supplying assembly through pipelines, a boss type accommodating cavity which defines the water holes is arranged on the outer wall of the suction pipe, and the pipelines are communicated with the water holes through the boss type accommodating cavity. The sweeping machine comprises a chassis, a dust bin, a sweeping assembly, a nozzle assembly and the suction pipe dust settling device, the dust bin, the sweeping assembly, the nozzle assembly and the suction pipe dust settling device are installed on the chassis, the nozzle assembly comprises a fan, a nozzle and a suction pipe, the nozzle is communicated with the dust bin through an elastic extension pipe and the suction pipe, and a suction opening of the fan is communicated with the dust bin through the pipelines. The suction pipe dust settling device is capable of effectively solving the problem that the inner wall of the suction pipe of the sweeping machine is adhered or blocked so that sweeping capacity of the whole sweeping machine is further improved.

Description

The suction pipe device for reducing dust and the sweeping machine that are used for dust-absorption sweeping machine
The application is that the application number of submitting on 05 26th, 2011 is: 201110138780.2, and name is called: the dividing an application of the patent application of " the suction pipe device for reducing dust and the sweeping machine that are used for dust-absorption 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 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, at home and abroad is widely applied.In road surface rotation and blower fan wind exhausting outlet the operation airborne dust appears for fear of the brush of sweeping on the dish, 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 negative pressure, through suction nozzle, elastic telescopic pipe, suction pipe etc. these rubbish things are sucked dustbin.At this moment, the atomizing clean water of the inner water injector ejection of suction nozzle is to processings of again spraying water 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, by the air-transport system that suction nozzle, elastic telescopic pipe, suction pipe, dustbin, blower fan and outlet air channel etc. form, be to inhale an important composition part of sweeping in conjunction with the wet dust removal sweeping machine.More unobstructed for strength is carried, reduce dust-contained airflow to the wearing and tearing of blower fan workpiece, the wet dust removal sweeping machine generally all adopts the rearmounted layout type of blower fan.Namely adopt to inhale and send the formula pneumatic conveying mode, after the water spray humidifyings such as earth, dust, rubbish thing, via suction nozzle, elastic telescopic pipe, suction pipe etc., under the effect of blower negative pressure, suck dustbin.Dust-contained airflow only have through dustbin the sedimentation of rubbish thing is processed after, just can enter blower fan, wind exhausting outlet is discharged in the atmosphere.
Send in the rotating vane type dust-laden material conveying 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.The sticking stifled position of generation is near position suction pipe hypomere, suction pipe sealing junction solid and the suction pipe epimere reaches easily.The main cause that produces sticking stifled (even blocking) has following two aspects:
On the one hand: in order to make rubbish thing reasonable layout in dustbin, its suction pipe part certain angle that receded on the whole.Fully the mixed material of the large 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 subject to the impact 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, the earth (viscosity walk) that a part of volume or density are larger or garbage mixture drop on the inwall after inclined straw leans on, stick to tightly on the wall, and be cumulative, intersected with each other, the area of passage of inclined straw 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, volume or larger earth (viscosity walk) or the rubbish thing mixture of density of high-speed motion will bump with the suction pipe inwall in the inclined straw.The 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 afterwards blockage phenomenon.
After the suction pipe inwall occurs to glue stifled or clogging, subtle, affect the road surface cleaning effect.And owing to harden very closely knitly, so be difficult to clear, brought very large inconvenience to operation and maintenance.
Summary of the invention
Technical problem to be solved by this invention is: for 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 dust-absorption sweeping machine stifled or blockage problem and then raising complete machine cleaning ability.
The present invention further provides and a kind ofly can directly utilize sewage in the rubbish to solve sticking stifled or blockage problem, the suction pipe device for reducing dust and the sweeping machine that are used for dust-absorption sweeping machine with better environmental protection practicality of sweeping machine suction pipe inwall.
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 for dust-absorption sweeping machine, comprise for water assembly, the described water assembly that supplies is communicated with to provide depositing dust and lubricated suction pipe inwall water by pipeline and the inner chamber of sweeping machine suction pipe, wherein, offer water hole on the described sweeping machine suction pipe, described water hole is communicated with for water assembly with described by pipeline, and the outer wall of described suction pipe is provided with the projective table type cavity volume that surrounds described water hole, and described pipeline passes through this projective table type cavity volume and is communicated with described water hole.
Be equiped with ready-package sealing pipe clamp on the described projective table type cavity volume, be provided with sealing ring between described suction pipe and the described ready-package sealing pipe clamp, wherein said pipeline is communicating pipe, and the through hole that the water side of this communicating pipe is passed on described ready-package sealing pipe clamp and the sealing ring is communicated with described water hole.
The described water assembly that supplies comprises the effluent cycle filter mechanism that is positioned at dustbin of road sweeping vehicle.
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 form by the 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.
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 is solid, and the inner chamber of described suction pipe hypomere is connected for water assembly with described by pipeline.
Compared with prior art, the invention has the advantages that:
1, the present invention is used for suction pipe device for reducing dust and the sweeping machine of dust-absorption sweeping machine, simple in structure, easy and simple to handle, have at oneself under the suction function of Pneumatic System, flow by providing moisture to make it be close to the periphery of inner wall of suction pipe for water assembly and being sucked upwards, 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 operating personnel's labour intensity, improve operating efficiency and the operation quality of wet dust removal sweeping machine;
2, the present invention is used for suction pipe device for reducing dust and the sweeping machine of dust-absorption sweeping machine, and is less demanding to the cleanliness factor of filtered water, therefore utilized the sewage in the rubbish, cycling and reutilization after it is filtered, 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 suction pipe device for reducing dust and the sweeping machine of dust-absorption sweeping machine, has adopted the three-stage filtration mode, has greatly improved the filter effect of sewage, has guaranteed the reliability that effluent cycle is utilized;
4, the present invention is provided with and the communicating pipe water hole that is communicated with of delivery port at the sidewall of suction pipe hypomere, sewage after the filtration 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.In addition, the projective table type cavity volume that surrounds water hole outward by suction pipe can to enter the moisture of suction pipe inside reasonable, guarantee wetting effect.
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.
Description of reference numerals
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 machine, comprise for water assembly, be communicated with to provide depositing dust and lubricated suction pipe inwall water for water assembly by pipeline and the inner chamber of sweeping machine suction pipe 3, namely in the inner chamber of sweeping machine suction pipe 3, provide water for water assembly, the negative pressure that for example produces under the suction function of blower fan by existing Pneumatic System on the sweeping machine again, 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 l, can not spill to the road surface, therefore can road pavement not cause mud contamination, can because of causing excessive the adhering on the contrary of pavement garbage humidity to be difficult on the road surface sucking dustbin, not have influence on cleaning effect and quality.
Further, among the present invention mainly is to utilize the sewage resource in the rubbish to carry out cycling and reutilization for water assembly, more directly by for water assembly, has saved water after namely filtering, also further its feature of environmental protection of raising.Therefore, the present invention is provided with the effluent cycle filter mechanism in dustbin of road sweeping vehicle 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 process 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 thus the recycling of sewage in the rubbish, 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 better filter effect.This high position effluent filter 2 and low level effluent filter 4 all can be comprised of filter 201 or the screen pack more than one deck.This filter 201 or screen pack all adopt structure for convenience detach.Take filter 201 as example, its heavily fortified point directly is arranged between rubbish chamber 101 and the soil chamber 102, be provided with taper countersunk head formula treatment hole 202 by bolton o filter 201 all around, the small bore end of taper countersunk head formula treatment hole 202 is towards rubbish chamber 101, large nose end is towards soil chamber 102, sewage flows to large 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 in short-term little " obstruction " thin layer filter cake, also is easy to outside squeezed portalling.
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 greatly improve.
Further, in the present embodiment, the pipeline between the inner chamber of the port of export of soil chamber 102 and sweeping machine suction pipe 3 is equiped with sewage valve 8 and maintenance cock 9, convenient to its clean, inspection and maintenance.
By the said structure of present embodiment, in fact the present invention has adopted " coarse filtration-sedimentation is filtered-smart 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 in " coarse filtration " mode two effluent filters that high and low position is different being set, 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 rear many front few subtriangular distributions.In this case, even after the low level effluent filter 4 at rear portion is hidden by rubbish, anterior high-order effluent filter 2 still works on, and does not affect 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 supplying water assembly by pipeline, and this pipeline is communicating pipe 5.Sewage after the filtration 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 according to actual needs rectangle, oval shape, ellipse or circular etc.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 supplying water 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.Lodge in first in the projective table type cavity volume from the filtered water of interior outflow of communicating pipes 5, enter again the inner chamber of suction pipe hypomere 303 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 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 it more than certain altitude built on stilts 220mm 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 embodiment of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, 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 dust-absorption sweeping machine, it is characterized in that, comprise for water assembly, the described water assembly that supplies is communicated with to provide depositing dust and lubricated suction pipe inwall water by pipeline and the inner chamber of sweeping machine suction pipe (3), wherein, offer water hole (304) on the described suction pipe (3), described water hole (304) is communicated with for water assembly with described by pipeline, and the outer wall of described suction pipe (3) is provided with the projective table type cavity volume that surrounds described water hole (304), and described pipeline is communicated with described water hole (304) by this projective table type cavity volume.
2. according to claim 1 be used to washing the suction pipe device for reducing dust of sweeping the formula sweeping machine, it is characterized in that, be equiped with ready-package sealing pipe clamp (14) on the described projective table type cavity volume, be provided with sealing ring (15) between described suction pipe (3) and the described ready-package sealing pipe clamp (14), wherein said pipeline is communicating pipe (5), and the through hole that the water side of this communicating pipe (5) is passed on described ready-package sealing pipe clamp (14) and the sealing ring (5) is communicated with described water hole (304).
3. the suction pipe device for reducing dust for dust-absorption sweeping machine according to claim 1 is characterized in that, the described water assembly that supplies comprises the effluent cycle filter mechanism that is positioned at dustbin of road sweeping vehicle (1).
4. the suction pipe device for reducing dust for dust-absorption sweeping machine according to claim 3, 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).
5. the suction pipe device for reducing dust for dust-absorption sweeping machine according to claim 4 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).
6. the suction pipe device for reducing dust for dust-absorption sweeping machine according to claim 5 is characterized in that, described high-order effluent filter (2) and low level effluent filter (4) form by the filter more than one deck (201) or screen pack.
7. the suction pipe device for reducing dust for dust-absorption sweeping machine according to claim 4 is characterized in that, the exit of described soil chamber (102) is provided with fine filter (6).
8. the suction pipe device for reducing dust for dust-absorption sweeping machine according to claim 4 is characterized in that, is 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).
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 the described suction pipe device for reducing dust of any one 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 for water assembly with described by pipeline.
CN201210590516.7A 2011-05-26 2011-05-26 Suction pipe dust settling device for suction type sweeping machines and sweeping machine Active CN103061296B (en)

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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

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