CN201473915U - Dust removing device of road sweeper - Google Patents
Dust removing device of road sweeper Download PDFInfo
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- CN201473915U CN201473915U CN2009202254045U CN200920225404U CN201473915U CN 201473915 U CN201473915 U CN 201473915U CN 2009202254045 U CN2009202254045 U CN 2009202254045U CN 200920225404 U CN200920225404 U CN 200920225404U CN 201473915 U CN201473915 U CN 201473915U
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- blower fan
- sweeping machine
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Abstract
The utility model discloses a dust removing device of a road sweeper, which comprises a fan. The fan is connected with a suction port, the suction port is connected with a dust collecting device, the fan is provided with two exhaust ports, one exhaust port is connected with the suction port, the other exhaust port is connected with a filtration dust-removing device, the filtration dust-removing device is connected with the suction port, and the dust collecting device is connected with the air inlet of the fan. The utility model minimizes the blockage of the dust removing device caused by large dust particles which directly flow into the dust removing device and the blockage of the fan caused by the dust-containing airflow which flows out of the dust removing device but blows back after being filtered by the filtration system. Since the dust-free airflow directly blows back, the utility model prevents the secondary dust emission.
Description
Technical field
The utility model relates to a kind of sweeping machine, and a kind of specifically sweeping machine that has the recycling dust arrester of blowback wind is widely used in the health dedusting of avenue, public place etc.,
Background technology
At present, most sweeping machines all adopt the recycling mode of blowback wind, and blowback wind is the air draft of blower fan.The air draft of blower fan is because the air channel is designed and the difference of dust removal by filtration mode, and its air quantity and dustiness also have nothing in common with each other.The dust removal by filtration mode of sweeping machine is divided into two kinds usually, and a kind of is full dust removal by filtration mode, and another kind is a part dust removal by filtration mode.The common dustiness of air draft of blower fan is little in the full dust removal by filtration, and the blowback wind that can be used as the suction inlet part fully uses.But full dust removal by filtration mode, because the resistance of the air-flow that produces is big, so the air quantity of blower fan and power also requires greatly usually, and filtration system stops up easily, so the less use of this kind mode.Part dust removal by filtration mode, because the windage that produces is little, fan delivery, power are little, the dust removal by filtration system is reason such as cleaning easily, obtains extensive application.But the part filter type has two aspects to be difficult to control: the one, and the control of two-part air quantity.If the blowback air quantity of a part increases, the blowback air quantity of another part will reduce, and blowback wind air quantity is airborne dust easily greatly then, and blowback wind air quantity is little, and then may to produce blowback power little, the phenomenon of DeGrain.The 2nd, the dust-laden problem of preceding a part of blowback wind.Because air-flow is inner only through inertia, and gravity depositing dust at rubbish, therefore after blower fan was discharged, inevitably dust-laden was more, if this a part of wind uses as blowback wind, will cause secondary poplar dirt situation.
China's utility model patent 200420087606.5 discloses a kind of air exhausting device of sweeping machine, comprise: blower fan, exhast duct, brush, blower fan hydraulic motor and blower fan are installed in sweeping machine dustbin seal case top, exhast duct is installed in the front portion of dustbin seal case, the air intake of exhast duct links to each other with the air outlet of blower fan, the air outlet of exhast duct is opened in the bottom of dustbin front, has auxiliary air outlet in the upper end of exhast duct.Chinese invention patent 200610017385.8 discloses a kind of multifunctional complete sucking type sweeping car, and it has the top dust collect plant that is divided into by dividing plate, the rubbish ash bin that the air-purifying chamber of bottom sedimentation negative pressure box and top layer constitutes; Blower fan (26) is under drive power source, and rotation forms blowing air flow at a high speed, and blowing air flow, is blown into the gas blow pipe (3) that is communicated with by bellows and enters blowing-extracting type dust hood (2) again through reverse-flow type deduster (17) through discharge pipe (21); The admission pipe (24) of the air entry (5) of blowing-extracting type dust hood (2) lining through having bellows sent garbage dust into grey lower box part sedimentation negative pressure chamber; Send into the air-purifying chamber of top layer again through blower fan admission pipe (25); Device has reverse-flow type deduster (17) and filter drum type precipitator (12) in the dust collect plant of top.Clear on ground
In the inswept journey, can once finish under ground, the isolated column, the dust suction cleaning of road curb limit rubbish and effective removing of larger particles.
Though above-mentioned sweeping machine cleaning equipment respectively has characteristics, but all there are some defectives, such as the travel fatigue mixture is after blower fan is discharged, be discharged in the atmosphere by filtration, inevitably dust-laden is more, if this a part of wind uses as blowback wind, will cause the reentrainment of dust situation, and stop up dust arrester and blower fan easily, uncontrollable by two parts air quantity that blower fan blows out, if the blowback air quantity of a part increases, the blowback air quantity of another part will reduce, blowback wind air quantity is easy airborne dust greatly then, and blowback wind air quantity is little, and then may to produce blowback power little, the phenomenon of DeGrain.Adopt common blower fan, rated power that need be bigger, air quantity is little then not to satisfy job requirements, and integral device structure more complicated, and cost high maintenance amount is big.
The utility model content
At the deficiency that prior art exists, technical problem to be solved in the utility model is, a kind of sweeping machine dust arrester is provided, and this device one can be by regulating the minimum and maximum exhaust air rate of two air outlets, and air outlet all can be closed fully up and down.This kind structure Design makes sweeping machine can use the dry dust removal mode, also can use the wet dust removal mode, has reached the purpose of Wet-dry.Because the adjustable range of two parts exhaust air rate is big, can reach suction, the blowback effect of the best fully according to the rubbish distribution situation on road surface.The 2nd, made full use of the principle of centrifugal dust-removing, device adopts centrifugal blower, make dust in the inner further separation of blower fan, bulky grain passes through after-treatment again after inertial settling, a small amount of dust-contained airflow through after the filtration system filters as blowback wind, dust-contained airflow can not produce reentrainment of dust directly as blowback wind, can not stop up dust arrester and blower fan.
For solving the problems of the technologies described above, technical solution adopted in the utility model is, a kind of sweeping machine dust arrester comprises blower fan, is connected with suction inlet on blower fan, described suction inlet connects dust collect plant, described blower fan is provided with two outlet opening, and an air outlet connects suction inlet, and another air outlet connects the dust removal by filtration device, described dust removal by filtration device connects suction inlet, and dust collect plant connects air inlet.
Above-mentioned sweeping machine dust arrester; Blower fan two outlet opening junction is provided with the air quantity governor motion, this air quantity governor motion is a blower fan air outlet air damper, comprises fixed head, and fixed head is provided with rotating shaft and regulates leading screw, described adjusting leading screw is connected with fixed head, and expansion plate is connected with the fixed head parallel activity by regulating leading screw.
Above-mentioned sweeping machine dust arrester; This blower fan is the two outlet opening centrifugal blower, comprises impeller, air intake and air outlet.
Above-mentioned sweeping machine dust arrester; Described air outlet is divided into air outlet and following air outlet, and two air outlet center lines are provided with an angle.
Above-mentioned sweeping machine dust arrester; Described dust removal by filtration device is provided with the filtered airflow discharge pipe that leads to suction inlet, is connected to the air-flow that leads to the centrifugal blower air intake on the dust collect plant and selects pipe.
The advantage of the utility model sweeping machine dust arrester is: the one, and the two-part exhaust air rate of blower fan can obtain maximum adjustable range, and air outlet all can be closed fully up and down.This kind structure Design makes sweeping machine can use the dry dust removal mode, also can use the wet dust removal mode, has reached the purpose of Wet-dry.Because the adjustable range of two parts exhaust air rate is big, can reach suction, the blowback effect of the best fully according to the rubbish distribution situation on road surface.The 2nd, made full use of the principle of centrifugal dust-removing, make dust in the inner further separation of blower fan, avoided oarse-grained sand and dust directly to enter dust arrester and cause its obstruction to the full extent, with come out through dust arrester dust-contained airflow through after the filtration system filters as the problem of blowback wind locking plug blower fan, dust-contained airflow can not produce reentrainment of dust directly as blowback wind.
Description of drawings
Below in conjunction with drawings and the specific embodiments the utility model is described in further details.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the full sectional view of two outlet opening centrifugal blower 1 among Fig. 1;
Fig. 3 is the structure enlarged drawing of blower fan air outlet air damper 7 among Fig. 1,2.
The specific embodiment
As shown in Figure 1, the utility model comprises two outlet opening centrifugal fan 1, dust removal by filtration device 2, suction inlet 3, dust collect plant 4, filtered airflow drain 13, blower fan air outlet air damper 7, air intake 8, air damper 15 and air-flow selection pipe 14.
As shown in Figure 2, this two outlet opening centrifugal fan 1 comprises air outlet 5, following air outlet 6, air intake 8, blower fan air outlet air damper 7 and impeller 16.
As shown in Figure 3, this blower fan air outlet air damper 7 comprises fixed head 10, rotating shaft 9, regulates leading screw 11 and expansion plate 12.
Wherein, connect sucking hole device 3 by pipeline on the two outlet opening centrifugal blower 1, this suction inlet 3 connects dust collect plant, described blower fan is provided with two outlet opening, following air outlet connects suction inlet 3, last air outlet connects dust removal by filtration device 2 by pipeline, and dust removal by filtration device 2 connects suction inlet 3, and dust collect plant 4 connects air inlet 8.
As Fig. 2, the two outlet opening centrifugal fan 1 of this one-off design, snail shape shell, two air outlet structures, by air intake 8 middle part air intakes, two air outlets all are positioned at snail shape shell outermost end, the pipeline center line of last air outlet 5 and following air outlet 6 has an angle α, and all tangent with housing.7 for being positioned at the blower fan air outlet air damper in the middle of two air outlets, and its shaft 9 is fixing with fixed head 10, and fixed head 10 9 rotations around the shaft also can be regulated the flexible of leading screw 11 control expansion plates 12, realizes the purpose of air outlet air quantity about the control and regulation.
Blower fan air outlet air damper 7 is dull and stereotyped Collapsible structure, and can be around being positioned at the point of rotation rotation of air outlet 5 with following air outlet 6 junctions.Suction inlet 3 is the suction inlet of band suction and blowback structure.Dust removal by filtration device 2 can be the cloth-bag type structure, filter cartridge type structure etc. for filtering the dust-contained airflow device.Dust removal by filtration device 2 is provided with air damper 15, discharges wind and directly is discharged in the atmosphere.Be discharged to airborne tolerance by adjusting, can regulate the air quantity that air-flow after the filtration arrives suction inlet 3.
The course of work of the utility model sweeping machine dust arrester is: at first air-flow carries rubbish and enters dust collect plant 4 from suction inlet 3, in dust collect plant 4,, select pipe 14 to enter the air intake 8 of two outlet opening centrifugal fan 1 from air channel, dust collect plant 4 top through air-flow through after inertial dust collection and the sedimentation.Through after the centrifugation, discharge about the process respectively by two air outlets in blower fan for air-flow.After the dust removal by filtration of air-flow through dust removal by filtration device 2 that air outlet 5 is discharged from the blower fan, a part is discharged to the air from air damper 15, and a part arrives suction inlets 3 through filtered airflow discharge pipe 13, recycles as the blowback wind of suction inlet 3.The air communication that air outlet 6 is discharged under the blower fan is crossed the air channel and is directly arrived suction inlet 3, recycles as another part blowback wind of suction inlet 3.
The adjustment process of its blower fan air outlet air damper 7 is as follows: when two air outlets of two outlet opening centrifugal fan 1 all during air-out, blower fan air outlet air damper 7 is horizontal, by regulate expansion plate 12 about stretch and regulate the air output in two air ports.When stretch on expansion plate 12 left sides, last air outlet 5 air quantity increase, and following air outlet 6 air quantity reduce.Reduce otherwise then go up air outlet 5 air quantity, following air outlet 6 air quantity increase.Maximum adjustable air outlet 6 is extremely down closed.
Air outlet dust-laden quantitative analysis: because this blower fan is a centrifugal fan, air-flow in the housing is because the difference and the action of centrifugal force of density, natural layering, be that density is big, the air-flow that dustiness is many is distributed in the outermost layer of close housing, the air-flow that the little dustiness of density is few is distributed in the innermost layer near impeller 16, and because the interior wind speed of blower fan is higher, stratification is obvious.Outermost air-flow is promptly gone up air outlet 5 and is at first discharged when running into first air outlet, arrives dust removal by filtration device 2, after filtration after the dedusting, arrives suction inlet 3 and as blowback wind.And the air-flow of internal layer moves under the promotion of rear portion air-flow, discharges when running into second air outlet.Because internal layer air-flow dust-laden is few, can not produce owing to the dust-laden reentrainment of dust phenomenons that produce more.When rotation blower fan air outlet air damper 7, when expansion plate 12 and following air outlet 6 were in parallel position, rotation was regulated leading screw 11 expansion plates 12 and can be closed going up air outlet.At this moment, all from air outlet 6 discharges down, this moment is big applicable to airflow humidity without dust removal by filtration device 2 for air-flow, and the sand and dust particle is bigger, the situation that filtration system is stopped up easily.
Certainly, above-mentioned explanation is not to be to restriction of the present utility model, and the utility model also is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present utility model, the variation of making, remodeling, interpolation or replacement all should belong to protection domain of the present utility model.
Claims (5)
1. sweeping machine dust arrester, comprise blower fan, on blower fan, be connected with suction inlet, described suction inlet connects dust collect plant, it is characterized in that: described blower fan is provided with two outlet opening, and an air outlet connects suction inlet, and another air outlet connects the dust removal by filtration device, described dust removal by filtration device connects suction inlet, and dust collect plant connects air inlet.
2. sweeping machine dust arrester according to claim 1; It is characterized in that: the two air outlet junctions of described blower fan are provided with the air quantity governor motion, this air quantity governor motion is a blower fan air outlet air damper, comprise fixed head, fixed head is provided with rotating shaft and regulates leading screw, described adjusting leading screw is connected with fixed head, and expansion plate is connected with the fixed head parallel activity by regulating leading screw.
3. sweeping machine dust arrester according to claim 2; It is characterized in that: described blower fan is the two outlet opening centrifugal fan, comprises impeller, air intake and air outlet.
4. sweeping machine dust arrester according to claim 3; It is characterized in that: described air outlet is divided into air outlet and following air outlet, and the exhaust duct center line of two air outlets is provided with an angle.
5. sweeping machine dust arrester according to claim 3; It is characterized in that: described dust removal by filtration device is provided with the filtered airflow discharge pipe that leads to dust exhaust apparatus, is connected to the air-flow that leads to the centrifugal blower air intake on the dust collect plant and selects pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202254045U CN201473915U (en) | 2009-08-24 | 2009-08-24 | Dust removing device of road sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202254045U CN201473915U (en) | 2009-08-24 | 2009-08-24 | Dust removing device of road sweeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201473915U true CN201473915U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202254045U Expired - Fee Related CN201473915U (en) | 2009-08-24 | 2009-08-24 | Dust removing device of road sweeper |
Country Status (1)
| Country | Link |
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| CN (1) | CN201473915U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389286A (en) * | 2014-12-10 | 2015-03-04 | 烟台海德专用汽车有限公司 | Wet dust suppressor for use at circulating air outlet of road sweeping equipment |
| CN107313386A (en) * | 2017-08-24 | 2017-11-03 | 福建龙马环卫装备股份有限公司 | A kind of sweeping machine air-channel system of Wet-dry |
| CN108824307A (en) * | 2018-06-15 | 2018-11-16 | 孙鹏 | A kind of energy saving and environment friendly town road clearing apparatus |
| CN109356072A (en) * | 2018-11-16 | 2019-02-19 | 福建环海环保装备股份有限公司 | A kind of sweeping machine dust falling system |
| CN110295559A (en) * | 2019-07-21 | 2019-10-01 | 中铁十一局集团第四工程有限公司 | A kind of cleaning of sectional type tunnel inverted arch and cleaner |
| CN110593175A (en) * | 2018-06-13 | 2019-12-20 | 陕西汽车集团有限责任公司 | Blowing nozzle air volume self-adaptive adjusting device and method of blowing and sucking type sweeping machine |
-
2009
- 2009-08-24 CN CN2009202254045U patent/CN201473915U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389286A (en) * | 2014-12-10 | 2015-03-04 | 烟台海德专用汽车有限公司 | Wet dust suppressor for use at circulating air outlet of road sweeping equipment |
| CN107313386A (en) * | 2017-08-24 | 2017-11-03 | 福建龙马环卫装备股份有限公司 | A kind of sweeping machine air-channel system of Wet-dry |
| CN110593175A (en) * | 2018-06-13 | 2019-12-20 | 陕西汽车集团有限责任公司 | Blowing nozzle air volume self-adaptive adjusting device and method of blowing and sucking type sweeping machine |
| CN108824307A (en) * | 2018-06-15 | 2018-11-16 | 孙鹏 | A kind of energy saving and environment friendly town road clearing apparatus |
| CN108824307B (en) * | 2018-06-15 | 2019-09-13 | 孙鹏 | A kind of energy saving and environment friendly town road clearing apparatus |
| CN109356072A (en) * | 2018-11-16 | 2019-02-19 | 福建环海环保装备股份有限公司 | A kind of sweeping machine dust falling system |
| CN110295559A (en) * | 2019-07-21 | 2019-10-01 | 中铁十一局集团第四工程有限公司 | A kind of cleaning of sectional type tunnel inverted arch and cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20160824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |