CN100418638C - Fine garbage separating device in air-flow cleaning vehicle - Google Patents
Fine garbage separating device in air-flow cleaning vehicle Download PDFInfo
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- CN100418638C CN100418638C CNB2005100558610A CN200510055861A CN100418638C CN 100418638 C CN100418638 C CN 100418638C CN B2005100558610 A CNB2005100558610 A CN B2005100558610A CN 200510055861 A CN200510055861 A CN 200510055861A CN 100418638 C CN100418638 C CN 100418638C
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Abstract
To make centrifugal separation effectively act on an airflow including dust, in a horizontally mounted centrifugal dust separator of an airflow garbage truck. Air, which is sucked in from a suction port part 60 on the other side of a blower 7 with respect to a baffle plate 100, collides with the baffle plate 100 when axially flowing toward the blower 7 while flowing in whirls in an inside space C of the centrifugal dust separator 3. After that, the air flows in the direction of the blower 7 through an air passage 103 around the baffle plate 100; resistance is imparted to the axial flow of the air by the baffle plate 100; the time when the airflow including the dust is retained in the separator 3 is made longer; and the centrifugal separation acts on the dust longer, so that the dust can be more completely and centrifugally separated.
Description
Technical field
The present invention relates to the fine garbage separating device in the air-flow cleaning vehicle, particularly relate to the fine garbage separating device of the fine dust that is contained in the air stream of removing effectively in the centrifugal dust separator that is drawn into pressure-bearing type.
Background technology
In Patent Document 1 (special fair 5-84324 communique), the ordinary construction of known in the past circulation type air-flow cleaning vehicle is disclosed.In this circulation type air-flow cleaning vehicle, the centrifugal dust separator is horizontally placed on the vehicle frame, and an end of this centrifugal dust separator is connected with air blast.Here, blow out to the road surface from the air blow-off outlet (throttle orifice) of pick-up head from the blow out air of air blast and the dust on road surface is blown afloat, and the air that the attraction air-flow that utilizes air blast will contain the dust that blows afloat is drawn in the bunker from attraction pipeline, and heavier dust is released in the bunker.And, the air that is drawn in the bunker is drawn in the centrifugal dust separator as the absolutely empty air-flow that is mixed with small dust via filter, forming vortex one edge axis direction towards air blast, one side of an end that is connected in this centrifugal dust separator then flows, in this process, under the centrifugal action of vortex with dust separation.
In Patent Document 2 (spy opens flat 11-267437 communique), record the cyclone type powder dust separating device.In this cyclone type powder dust separating device, on the top plate portion of cover, have clean air and flow out peristome, partition member and baffle plate is set in the lower end hangs down from the center of the cylindrical portion of being located at its circumference, the dust that is contained in the air stream is collided on the baffle plate and lose its inertia, thereby dust is fallen.
But, in the technology of in above-mentioned Patent Document 1, being put down in writing, the tubular space is done to become completely in the inside of centrifugal dust separator and constitute, so move from attracting a mouthful air that contains dust that sucks to be subjected to centrifugation one edge axis direction on one side, but because be to move with fast speed, so can cause directly being drawn in the air blast along axis direction.Therefore, actual conditions are to be difficult to dust is played sufficient centrifugation, thereby can not to remove fine dust fully.
In addition, in the technology that above-mentioned Patent Document 2 is put down in writing, as the installation constitution that is used to be provided with baffle plate, employing be along axis direction setting partition member within the specific limits, and this partition member hinders eddy current.Therefore, even this installation constitution intactly is applied to horizontal centrifugal dust separator, also can in being provided with the scope of partition member, makes centrifugation be subjected to bigger influence, thereby can not remove fine dust effectively.
Summary of the invention
The present invention makes in view of such problem, its purpose is to provide the fine garbage separating device in a kind of air-flow cleaning vehicle, it is in the air-flow cleaning vehicle of the centrifugal dust separator that has pressure-bearing type, the axis direction of the air stream that contains dust flowed give resistance, centrifugation is more effectively acted on the dust that is contained in the air stream, can improve dust and remove effect.
The invention provides the fine garbage separating device in a kind of air-flow cleaning vehicle of following characteristics, it has: the centrifugal dust separator is horizontally placed on the vehicle frame of air-flow cleaning vehicle; Air blast is provided with opposed to each other with the open end of aforementioned centrifugal dust separator; Aforementioned centrifugal dust separator constitutes, have: the air that contains dust is flowed along the inner space of the mobile tubular of the axis direction of aforementioned centrifugal dust separator, air stream is attracted to attraction mouth in the aforementioned inner space, the outlet that the dust that is contained in the air stream that is attracted in the aforementioned inner space is discharged, the aforementioned air stream that attracts mouth to be attracted in the aforementioned inner space by the rotation of aforementioned air blast from aforementioned centrifugal dust separator flows while spiraling towards aforementioned air blast, this moment is under the action of centrifugal force by aforementioned rotation gained, the dust separation that is contained in the aforementioned air stream is come out and discharge from aforementioned outlet, in aforementioned centrifugal dust separator, also be provided with: along the installation portion of circumferential extension of the inwall of the inner space that marks off aforementioned tubular, from aforementioned installation portion to the outstanding supporting arm of aforementioned inner space, be installed in the front end of aforementioned supporting arm and be configured in baffle plate on the part that becomes the cross section of aforementioned inner space central authorities, aforementioned installation portion is fixed on the inner peripheral surface of aforementioned inwall of the inner space that marks off aforementioned tubular.
Again, in the present invention, preferably, the aforementioned inner space of aforementioned centrifugal dust separator forms cylindric, and aforementioned installation portion is arcuation ground along the aforementioned inwall that marks off aforementioned inner space and extends.In addition, preferably, be extruded with a plurality of aforementioned supporting arms from aforementioned installation portion.And then, preferably, between aforementioned each supporting arm, be formed with and be used to make the axis direction flow air path of air along aforementioned centrifugal dust separator.
According to the present invention, space among the centrifugal dust separator, that air passes through is in the inner space, and the installation portion that extends along axis direction needn't be set, can be with baffle arrange-ment on the desired location on the axis direction.Therefore, in the space segment before and after the baffle plate, the vortex flow that is produced by the rotation of air blast can not stopped, thereby can not counteracted centrifugal action.And, at inhaled air while forming vortex when air blast flows, air stream bumps with this baffle plate, thereby the time that air stream is detained in centrifugal separating device is elongated, so centrifugation can act on this air-flow more effectively, thereby the dust separation effect is improved.
Description of drawings
Fig. 1 is the integrally-built side view of air-flow cleaning vehicle that expression has the fine garbage separating device of one embodiment of the present invention.
Fig. 2 is that the II-II of Fig. 1 is to cutaway view.
Fig. 3 is that the III-III of Fig. 2 is to cutaway view.
Fig. 4 is that the IV-IV of Fig. 3 is to cutaway view.
Fig. 5 is the amplification sectional elevation of Fig. 1 to centrifugal dust separator shown in Figure 4.
Fig. 6 is that the VI-VI of Fig. 2 is to cutaway view.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.Fig. 1 to Fig. 6 is the figure of air-flow cleaning vehicle that expression has the fine garbage separating device of one embodiment of the present invention.
As shown in Figures 1 and 2, on the vehicle frame about air-flow cleaning vehicle 200 1, fixing base 2, with level (pressure-bearing type) welding centrifugal dust separator 3 (following also abbreviate as sometimes " powder dust separating device 3 ") is being arranged at base 2 upper edge left and right directions.And welding integratedly has air blast hood 4 on the open end of powder dust separating device 3, rotates the impeller 8 that ground axle suspension freely air blast 7 by the bearing 6 on the outer panel 5 that is installed in air blast hood 4.Here, be connected V-type belt wheel 9 on the axle of impeller 8 at wedge, and be installed between the V-type belt wheel 11 on the output shaft of engine 10, the V-type of reeling band 12 makes impeller 8 can rotate (particularly with reference to Fig. 1) at a high speed.And, on the outer panel 5 of air blast hood 4, be connected with the blast pipe 13 of discharging circulating air, on its peristome, open and close freely ground axle suspension and the adjuster door 14 that capacity is regulated.And then the lower end of air blast hood 4 and force feed pipeline 15 link, and force feed pipeline 15 links with pick-up head 16.
As Fig. 2 and shown in Figure 6, pick-up head 16 by the part with rear side bend to コ word shape and double as heavy wall top board 18, be used for be separated in the pick-up head 16 demarcation strip 19 of the inclination of chamber 23 and following chamber 24, respectively welding about side plate 17A, 17B on form.Here, on the leading edge of top board 18 and demarcation strip 19, be separately installed with the preceding wing flap 20,20 of rubber system.And, on the lower surface of the heavy section of top board 18, back wing flap 21,21 is installed abreast.On the lower surface leading section that bends to コ word shape in the top board 18, bolted has wind direction board 25, utilizes the flexure plane 19A of demarcation strip 19 and wind direction board 25 to form air blow-off outlet (restriction).About the outside bolted of side plate 17A, 17B dirt boots 27 are arranged, on the other hand, about the installed inside of side plate 17A, 17B air deflector 28 is arranged, make the air that blows out from air blow-off outlet 26 flow to both sides and rear.Therefore, the air of sending here from force feed pipeline 15 flows from (according to direction shown in Figure 2) dextrad left side in last chamber 23, and, become keen draft and blow out from air blow-off outlet 26 towards road surface R.On the other hand, the air that flow into down in the chamber 24 flows from (according to direction shown in Figure 2) dextrad left side, the rubbish on the R of road surface is blown afloat, and the intake line on the upper surface that is attached at demarcation strip 19 30 flows.
Here, pick-up head 16 is hung by cable 33 and to hold as shown in Figure 2, and described cable 33 is connected on the leading section of supporting arm 32, and described supporting arm 32 is installed in and rotates freely that the earth's axis is supported on the both ends of the axle 31 on the base 2.Haunting of piston rod by being installed in the hydraulic cylinder 34 on the base 2, supporting arm 32 swings of axle 31, and make axle 31 rotate the amount of regulation.Therefore, when air-flow cleaning vehicle 200 did not clean, the piston rod of hydraulic cylinder 34 was outstanding, and supporting arm 32 is down swung in the horizontal direction.Thus, pick-up head 16 is raised the amount of regulation, and leaves from road surface R.As Fig. 1 and shown in Figure 6, on the carriage 36 on the top board 18 that is installed on pick-up head 16, linking and swinging the earth's axis freely and be bearing in connecting rod 37 on the vehicle frame 1, to keep the position of pick-up head 16 on fore-and-aft direction again.And, the mouth of pipe of the conduit 30A of intake line 30 for example as shown in Figure 1, be communicated with the curved tube 44 on the internal face of the header board 41 that is installed in bunker 40, be sent to air in the intake line 30, that sucted rubbish and emit in bunker 40 from the peristome of curved tube 44, described header board 41 is inclined planes.
Bunker 40 for example as shown in Figures 1 to 4, comprise: the afterbody door 51 after top board 46, left plate 47, right plate 48, side plate 54, base plate 49, back plate 50, the header board 43 of approximate vertical, the header board 41,42 that becomes the inclined plane, top are hinged on by hinge 51A on the plate 50 has marked off bigger chamber by a space that is surrounded by these plates and door.Here, top board 46, left plate 47 and right plate 48 stretch out more forward than bunker 40, play the effect of the lid that covers powder dust separating device 3, engine 10 and water tank 91 etc.And the top in the inner space of bunker 40 is opened and is provided with the filter screen 52 that is formed by wire netting or expansion alloy, and feasible have only fine dust to pass through.Again, for example as shown in Figure 4, the two ends welding of stay member 53 that bends to コ word shape on left plate 47 and side plate 54, and then, become the top welding on this stay member 53 (with reference to Fig. 3 and Fig. 5) of the header board 42 on inclined plane.On the other hand, the left side welding of header board 41 that becomes the inclined plane is on left plate 47, and the right side welding is on side plate 54, and the part of the below of header board 41 becomes the base plate (with reference to Fig. 3 and Fig. 5) of dust container 80 described later.For example as the expression at length of Fig. 5 institute, on stay member 53 and the outstanding installation sheet 42A that is arranged on the header board 42, the rubber slab 55 that bends to コ word shape is installed again.And around the peristome of header board 41, welding has the butt plate 58 of architrave shape, and described header board 41 forms air from the air flue 57 of bunker 40 to powder dust separating device 3 circulations.
Powder dust separating device 3 has tube end plate 3B and the tube top board 3C of the tubular inner space C that air stream that dividing sends as an envoy to contains dust flows along axis direction for example as shown in Figure 5.In addition, between tube end plate 3B and tube top board 3C,, be provided with air stream is attracted to attraction mouth 60 among the inner space C along the length direction (axis direction) in its axle center.Here, in powder dust separating device 3, the guide plate 3A of arcuation extends upward from the part that attracts mouth 60, makes air to flow into from the tangential direction by a tube end plate 3B and a cylinder that top board 3C constitutes and attracts the mouth 60.The guide plate 3A of this arcuation is from the continuous parts that are provided with of the tube end plate 3B of its below, and the powder dust separating device 3 that is made of guide plate 3A, tube end plate 3B and tube top board 3C is configured as the shape that the cross section is a numeral " 6 " on the whole.
In addition, in powder dust separating device 3, for example as shown in Figure 5, with the opposed mode of part of the top of header board 42, be provided with the outlet 62 that the dust that contained in the air stream that will be drawn in the inner space C is discharged along the length direction (axis direction) in its axle center.Promptly, in powder dust separating device 3, by the rotation of air blast 7 by from attracting mouthfuls 60 to be drawn into air stream in the inner space C and to rotate to air blast 7 and flow, at this moment, under the action of centrifugal force of the vortex flow in resulting from inner space C, dust flies out and discharges via outlet 62.Here, outlet 62 is communicated with dust container 80.Again, the part of the downside that is positioned at outlet 62 in the tube end plate 3B of powder dust separating device 3, with the front end of the guide plate 3A of, powder dust separating device 3 on, welding has installation sheet 63,64 respectively.In addition, be pasted with rubber packing 65 on these installation sheets 63,64, welding is crimped on the rubber packing 65 at the butt plate 58 on the header board 41, makes extraneous gas can not flow in bunker 40 and the dust container 80.And then, being used for guide plate 66 that the dust that flies out is guided in dust container 80 under the action of centrifugal force of the vortex flow of the inner space C that results from powder dust separating device 3, welding is on the periphery of powder dust separating device 3 (being a tube upper plate 3c among Fig. 5).On the periphery of guide plate 66 and powder dust separating device 3 (being the tube upper plate among Fig. 5), welding has sealing plate 71, on the upper surface of sealing plate 71, is crimped with the aforementioned rubber slab 55 that is installed on the header board 42.
For example as shown in Figure 4, the left surface of dust container 80 is closed by side plate 67.In addition, for example as Fig. 3 to shown in Figure 5, the bottom of header board 42 that becomes the inclined plane is generally perpendicularly crooked downwards, on the ora terminalis of bending, is equipped with by bolt 69 rubber is sticked on the cover plate 68 that forms on the thin iron plate.The bolted of cover plate 68 does not partly have iron plate, thus cover plate 68 as installing with hinge, state is sagging freely to open and close.Become the inclined plane header board 41 the below for example as shown in Figure 3, generally perpendicularly crooked and form vertical plane 41A, its lower end welding is on base plate 49.Here, when air blast 7 was non-rotary, the lower end of sagging cover plate 68 was as illustrated like that with imaginary line among Fig. 5, the suitable clearance G of formation between itself and vertical plane 41A.On the other hand, make powder dust separating device 3 when becoming negative pressure in air blast 7 rotation, under the effect of this negative pressure, cover plate 68 is adsorbed on the vertical plane 41A, thereby the trailing flank to bunker 40 openings of dust container 80 is closed.Like this, dust container 80 is made of the header board 42,41 that becomes the inclined plane and side plate 54,67, cover plate 68, and becomes the casing that top is sealed by rubber slab 55, and is communicated with the outlet 62 of powder dust separating device 3.
In the inner space C (the cylindric space of the device inboard that tube upper plate 3C and tube end plate 3B are surrounded) of powder dust separating device 3, to shown in Figure 5, dispose baffle plate 100 by installation portion 101 and supporting arm 102 supportings as Fig. 2.Here, installation portion 101 has along the shape in the interior week of tube end plate 3B and guide plate 3A (being the shape that arcuation extends along inwall), the one side end is along the circumferential extension of the inwall of tube end plate 3B, and end side is outstanding towards the air flue 57 of bunker 40 along the inwall of guide plate 3A.Again, installation portion 101 fixing (welding) forms on the inner peripheral surface of the tube end plate 3B of powder dust separating device 3 and guide plate 3A.And supporting arm 102 is to be formed with a plurality of (being 3) from installation portion 101 here towards the outstanding mode of inner space C.Between each supporting arm 102, be formed with and be used to make the axis direction flow air path 103 of air stream along powder dust separating device 3 again.And on the front end of such supporting arm 102, the mode with on the part of the cross section central authorities of the inner space C that is configured in powder dust separating device 3 is provided with baffle plate 100 integratedly.
Being set as such baffle plate 100 is arranged on along its length on the part of the open end of powder dust separating device 3 about 1/3.And, be arranged in part (being positioned at the attraction notch portion in the left side of baffle plate 100 at Fig. 2) inhaled air of a side opposite from suction inlet 60 with respect to this baffle plate 100 with air blast 7, in the inner space C of powder dust separating device 3, form on one side vortex one edge axis direction when air blast 7 flows, by the mobile resistance that applies of 100 pairs of these axis directions of baffle plate.Thus, time of air stream delay powder dust separating device 3 in of containing dust is elongated, thereby centrifugation acts on the dust for more time.And, owing to be the structure that baffle plate 100 is set at the front end of a plurality of supporting arms 102, so, can prevent that also baffle plate 100 is under the effect of blast and deflection takes place even inhaled air flows towards air blast 7 with the stronger impetus, and, also have the advantage that can prevent to vibrate generation effectively.
In addition, in Fig. 1, mark 92 expression side shield devices, mark 93 expression circular cone sweepers, mark 94 expressions are used to drive the hydraulic motor of circular cone sweeper, topple over bolster when bunker 40 is toppled in mark 95 expressions.
Below, the effect of the fine garbage separating device in the air-flow cleaning vehicle 200 of the present embodiment that is made of such structure is described.
In Fig. 1 to Fig. 6, the air that rotation by air blast 7 is sent blows on the R of road surface with the air blow-off outlet 26 of the stronger impetus from pick-up head 16 via force feed pipeline 15, rubbish on the R of road surface is drunk up from intake line 30, and be discharged in the bunker 40.The rubbish that stone, empty bottle etc. are heavier directly is received in the bunker 40, and circulating air afterwards is then by filter screen 52, and here, the lighter and bigger rubbish of being carried by circulating air is removed.By air after the filter screen 52, that contain dust from after flow forward, by air flue 57 from attracting mouthfuls 60 to be drawn into the inner space C of powder dust separating device 3.
Be drawn into air among the inner space C of powder dust separating device 3 because the high speed rotation of air blast 7 and spiral on one side mobile on one side towards the direction of the impeller 8 of air blast 7 vortex shape.Here, from attract mouthfuls 60 be arranged in part (Fig. 2 is positioned at the attraction notch portion on the right side of baffle plate 100) the inhaled air ground same of air blast 7 sides with respect to baffle plate 100, in the inner space C of powder dust separating device 3, form on one side vortex one edge axis direction and flow, be included in dust in the air stream and be subjected to centrifugation and fly out from outlet 62 towards air blast 7.On the other hand, from attract mouthfuls 60 with respect to baffle plate 100 be arranged in the part (Fig. 2 is arranged in the attraction notch portion in the left side of baffle plate 100) of air blast 7 opposite sides on one side inhaled air to form vortex one edge axis direction at the inner space C of powder dust separating device 3 mobile towards air blast 7.At this moment, air stream bumps with baffle plate 100, and afterwards, the direction by air flue 103 around the baffle plate 100, between the supporting arm 102 towards air blast 7 flows.At this moment, on air stream, the mobile resistance that applied by 100 pairs of axis directions of baffle plate, thereby the time that the air stream that contains dust is detained in separator 3 is elongated, centrifugation acts on this dust for a long time, like this, centrifugation more fully dust, discharge from outlet 62 afterwards.
Like this, the dust that flies out from the outlet 62 of powder dust separating device 3 on running into guide plate 66 after, fall in the dust container 80.Fall in the dust container 80 dust as mentioned above, when air blast 7 rotations, be stored in the dust container 80 because cover plate 68 is adsorbed on the vertical plane 41A.At this moment, owing to being adsorbed, cover plate 68 is in and powder dust separating device 3 interior same negative pressure state in the dust container 80, so dust can be discharged in the container 80 from outlet 62 reliably.And along with dust is stored in the dust container 80 gradually, effect has the compression area of negative pressure to reduce gradually on cover plate 68, thereby absorption affinity also weakens gradually.When the balance between the absorption affinity of the deadweight of the dust of storing 70 and cover plate 68 is broken, be discharged in the bunker 40 to dust 70 pushing cover plates 68 and moment, cover plate 68 is adsorbed once more then.And when air blast 7 stopped the rotation, cover plate 68 was in hang, so the dust 70 in the dust container 80 is fallen in the bunker 40 from clearance G.Again, the circulating air that has been separated dust cleaning afterwards by powder dust separating device 3 is inhaled in the air blast 7, is delivered in the force feed pipeline 15 by the impeller 8 of air blast 7 once more.
Claims (4)
1. the fine garbage separating device in the air-flow cleaning vehicle, have: the centrifugal dust separator is horizontally placed on the vehicle frame of air-flow cleaning vehicle;
Air blast is provided with opposed to each other with the open end of aforementioned centrifugal dust separator;
Aforementioned centrifugal dust separator constitutes to have: the air that contains dust is flowed along the inner space of the mobile tubular of the axis direction of aforementioned centrifugal dust separator, air stream is attracted to attraction mouth in the aforementioned inner space, the outlet that the dust that is contained in the air stream that is attracted in the aforementioned inner space is discharged, the aforementioned air stream that attracts mouth to be attracted in the aforementioned inner space by the rotation of aforementioned air blast from aforementioned centrifugal dust separator flows while spiraling towards aforementioned air blast, this moment is under the action of centrifugal force by aforementioned rotation gained, the dust separation that is contained in the aforementioned air stream is come out and discharge from aforementioned outlet
In aforementioned centrifugal dust separator, also be provided with: along the installation portion of the circumferential extension of the inwall of the inner space that marks off aforementioned tubular, from aforementioned installation portion to the outstanding supporting arm of aforementioned inner space, be installed in the front end of aforementioned supporting arm and be configured in baffle plate on the part that becomes the cross section of aforementioned inner space central authorities, aforementioned installation portion is fixed on the inner peripheral surface of aforementioned inwall of the inner space that marks off aforementioned tubular.
2. the fine garbage separating device in the air-flow cleaning vehicle as claimed in claim 1, it is characterized in that, the aforementioned inner space of aforementioned centrifugal dust separator forms cylindric, and aforementioned installation portion is arcuation ground along the aforementioned inwall that marks off aforementioned inner space and extends.
3. the fine garbage separating device in the air-flow cleaning vehicle as claimed in claim 1 or 2 is characterized in that, is extruded with a plurality of aforementioned supporting arms from aforementioned installation portion.
4. the fine garbage separating device in the air-flow cleaning vehicle as claimed in claim 3 is characterized in that, between aforementioned each supporting arm, is formed with and is used to make the axis direction flow air path of air along aforementioned centrifugal dust separator.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP101865/2004 | 2004-03-31 | ||
| JP101865/04 | 2004-03-31 | ||
| JP2004101865A JP4396830B2 (en) | 2004-03-31 | 2004-03-31 | Fine waste separation device for air-flow sweeper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1676221A CN1676221A (en) | 2005-10-05 |
| CN100418638C true CN100418638C (en) | 2008-09-17 |
Family
ID=35049058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100558610A Active CN100418638C (en) | 2004-03-31 | 2005-03-15 | Fine garbage separating device in air-flow cleaning vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4396830B2 (en) |
| CN (1) | CN100418638C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201249720Y (en) * | 2008-06-25 | 2009-06-03 | 陈治霖 | Motor vehicle with collector tank under vehicle body |
| DE102016004035A1 (en) * | 2015-04-13 | 2016-10-13 | Andreas Stihl Ag & Co. Kg | Suction device for collecting light and heavy goods |
| CN107165111B (en) * | 2017-06-19 | 2023-03-24 | 中国重汽集团柳州运力专用汽车有限公司 | Suction nozzle device of washing and sweeping vehicle |
| CN111188307A (en) * | 2020-03-23 | 2020-05-22 | 路直 | Road construction powder particle sweeper |
| CN113083528B (en) * | 2021-04-08 | 2022-10-04 | 济南环陶环保工程有限公司 | Anti-air-leakage cyclone dust removal device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885817A (en) * | 1986-09-09 | 1989-12-12 | Howa Machinery, Ltd. | Air-dust separation system for a pneumatic road-cleaning vehicle |
| CN2236896Y (en) * | 1995-04-18 | 1996-10-09 | 武汉冶金科技大学 | High efficiency wear resistant furrow type whirl wind dust remover |
| JPH11267437A (en) * | 1998-01-24 | 1999-10-05 | Meiwa Kogyo Kk | Dust collector |
| CN2527365Y (en) * | 2002-02-04 | 2002-12-25 | 卢学国 | Suction type lime powder selection machine |
| JP2004003301A (en) * | 2002-04-11 | 2004-01-08 | Seikitokyu Kogyo Co Ltd | Recovered object separator and recovered object separation method in road sweeper |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578941Y2 (en) * | 1978-11-06 | 1982-02-20 | ||
| JPS6115017U (en) * | 1984-07-03 | 1986-01-28 | 東京濾器株式会社 | Precleaner |
| JPH0274709A (en) * | 1988-09-09 | 1990-03-14 | Kensetsusho Chugoku Chiho Kensetsukyoku | Vacuum road sweeper |
-
2004
- 2004-03-31 JP JP2004101865A patent/JP4396830B2/en not_active Expired - Fee Related
-
2005
- 2005-03-15 CN CNB2005100558610A patent/CN100418638C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885817A (en) * | 1986-09-09 | 1989-12-12 | Howa Machinery, Ltd. | Air-dust separation system for a pneumatic road-cleaning vehicle |
| CN2236896Y (en) * | 1995-04-18 | 1996-10-09 | 武汉冶金科技大学 | High efficiency wear resistant furrow type whirl wind dust remover |
| JPH11267437A (en) * | 1998-01-24 | 1999-10-05 | Meiwa Kogyo Kk | Dust collector |
| CN2527365Y (en) * | 2002-02-04 | 2002-12-25 | 卢学国 | Suction type lime powder selection machine |
| JP2004003301A (en) * | 2002-04-11 | 2004-01-08 | Seikitokyu Kogyo Co Ltd | Recovered object separator and recovered object separation method in road sweeper |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005282300A (en) | 2005-10-13 |
| JP4396830B2 (en) | 2010-01-13 |
| CN1676221A (en) | 2005-10-05 |
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