CN1800501A - Road-cleaning absorption nozzle with combined reverse blowers - Google Patents
Road-cleaning absorption nozzle with combined reverse blowers Download PDFInfo
- Publication number
- CN1800501A CN1800501A CN 200510136653 CN200510136653A CN1800501A CN 1800501 A CN1800501 A CN 1800501A CN 200510136653 CN200510136653 CN 200510136653 CN 200510136653 A CN200510136653 A CN 200510136653A CN 1800501 A CN1800501 A CN 1800501A
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- blowback
- plate
- road
- nozzle body
- deflector
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 238000010521 absorption reaction Methods 0.000 title 1
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 21
- 238000010408 sweeping Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 drying Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The invention discloses a nozzle with integrated back-blower for cleaning rod, which comprises a nozzle element and side wheels mounted on the two sides of nozzle element. Wherein, front end plate and back end plate are mounted on the front and back ends of nozzle element along the moving direction of nozzle element; the top of nozzle element has a back-blowing pipe connected to the fan and a sucker connection to the input of dustbin; a front back-blower is mounted between the back-blowing pipe and the front end plate; a side back-blower is mounted between the back-blowing pipe and nearby side plate; a back-blower is mounted between the sucker and the back end plate; and the bottom plate of sucker has a outlet relative to the back back-blower. The invention can generate high-speed airflow to blow the waste into sucker to improve the waste cleaning ability.
Description
Technical field
The present invention is mainly concerned with the road-cleaning apparatus field, refers in particular to a kind of suction nozzle that is used for the band combination blowback of road-cleaning.
Background technology
In the prior art,, sweeping machine can be divided into two kinds of wet type sweeping machine and dry type sweeping machines according to the operating type of sweeping machine.Wherein, the wet type sweeping machine adopts to inhale sweeps combination, the wet type depositing dust, and it has characteristics such as simple in structure, easy to operate.During cleaning work, play ash, constantly spray water earthward with in the brush in order to prevent airborne dust.On the more road surface of rubbish dirt scholar, the injection flow rate deficiency, the dirt scholar can be flown upward everywhere, sticking easily stifled suction pipe; It is excessive to spray water, and not only causes water waste, and the dirt scholar mixed mud, and mud has adhered on the ground, waits water one to do, and dust waves again in the same old way everywhere.At present, the domestic sweeping machine that generally uses is still inhaled the wet type sweeping machine of sweeping combination, wet type depositing dust.The dry type sweeping machine need not be sprayed water when cleaning work, is applicable to avenue, speedway, airport, harbour etc., is particularly suitable for that lack of water, drying, dust storm are big, the algid stage of freezing grow the area use of (north of china in winter).It adopts multistage environmental protection dedusting technology, can thoroughly remove the dust rubbish thing on the road surface.In China, it still is in the initial stage developing stage.All be connected with nozzle unit on the sweeping machine of these two kinds of forms, rubbish on the road surface is at first swept to the dead ahead of suction nozzle by the cleaning agency on the sweeping machine with it, near the negative pressure that produces suction pipe by blower fan is adsorbed rubbish then, makes dusty gas and rubbish suck the air draught road in the lump in dustbin.In this adsorption process, the big or bigger rubbish of adhesive force is difficult to be sucked in the dustbin by blower fan for quality.Therefore in the prior art, in nozzle body, be provided with the preceding blowback vertical, and offer and the corresponding air outlet of blowback plate before this is vertical in the bottom of nozzle body with the sweeping machine direction of advance.When the sweeping machine operation, the air-flow that blower fan produces blows afloat rubbish and the dust that is attached at ground forward then along with preceding blowback and air outlet blow out along the direction of advance of sweeping machine, and it is sucked from suction pipe easily.But, this vertically arranged before the shortcoming of blowback be: 1, the high velocity air that blows out of preceding blowback is that direction of advance towards suction nozzle blows out, and suction pipe generally is arranged on the side of suction nozzle, therefore a large amount of from suction pipe rubbish far away and fail to be sucked by suction pipe, the cleaning effect of suction nozzle integral body is affected; 2, the high velocity air that blows out of preceding blowback will produce a large amount of dust, cause the secondary lift to pollute, and the road surface of just finishing cleaning is secondary polluted again.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical problem of prior art existence, the present invention proposes a kind ofly can produce directive high-speed gas and make the rubbish of being close to the road surface roll and push to suction pipe, thereby improves the suction nozzle of the band combination blowback that is used for road-cleaning of its whole junk-free ability.
In order to solve the problems of the technologies described above, the solution that the present invention proposes is: a kind of suction nozzle that is used for the band combination blowback of road-cleaning, it comprises nozzle body and is installed on the side wheel of nozzle body both sides, rear and front end on the direction of advance nozzle body of nozzle body is respectively front end-plate and end plate, and the top of nozzle body is equiped with and blower fan outlet reverse-blow pipe that links to each other and the suction pipe that links to each other with the dustbin import; Be provided with preceding blowback between reverse-blow pipe in the nozzle body and the front end-plate, be provided with the side blowback between reverse-blow pipe and the adjacent side plates, it is characterized in that: be provided with the back blowback between described suction pipe and the end plate, offer on the base plate of described nozzle body and the corresponding back blowback air outlet of back blowback.
Be provided with the rearmounted passage that is connected with the back blowback in the described nozzle body, this postposition passage is made up of the dividing plate of sealing, and an end of rearmounted passage is positioned at the bottom of reverse-blow pipe, and the other end links to each other with the back blowback.
The blowback of described back comprises back blowing top board, back blowing base plate and is connected in first deflector and second deflector on the back blowing base plate, and the passage that first deflector and second deflector form communicates with back blowback air outlet on the base plate of nozzle body; Wherein first deflector and base plate form the β angle, and second deflector and base plate form the γ angle.
The β angle that described first deflector and base plate form is 35～75 °, and it is 35～75 ° that second deflector and base plate form the γ angle.
The blowback of described back is circular-arc, polygon-shaped or other are irregularly shaped.
An end of blowback links to each other with the side blowback before described, and the other end links to each other with suction pipe, and the distance between suction pipe blowback more nearby and front end-plate is just far away more; Offer the air outlet corresponding on the base plate of described nozzle body with preceding blowback.
Blowback comprises Crashworthy plate, front flow guiding plate, back front flow guiding plate, middle deflector, top board and base plate before described, Crashworthy plate and front flow guiding plate are connected on the top board, middle deflector is connected on front flow guiding plate and the back front flow guiding plate, forms the α angle between top board and the front flow guiding plate.
The α angle that described top board and front flow guiding plate form is 35～75 °.
Also offer the ash discharging hole that links to each other with the sweeping machine dust cleaning case on the described nozzle body.
Compared with prior art, the invention has the advantages that:
1, the present invention is used for the back blowback that is obliquely installed in the suction nozzle of road-cleaning, blows out the blowback air-flow at the rear side of suction pipe, makes the rubbish of being close to ground can break away from ground, and suction pipe can be absorbed easily; Secondly, the swabbing action of this back blowback air-flow can make the pure air ecto-entad flow, and forms the air curtain that prevents dust, thereby can avoid suction nozzle in working order the time, causes whole road surface to form the situation of a large amount of airborne dusts, thereby make the junk-free effect reach optimum state;
2, the present invention is used for the preceding blowback that is obliquely installed in the suction nozzle of road-cleaning, distance between suction pipe blowback more nearby and front end-plate is just far away more, thisly be obliquely installed high velocity air that the air outlet that makes in the past blowback and suction nozzle bottom blows out and produce incline direction wind-force along preceding blowback, to roll up to the suction pipe place from suction pipe far rubbish and dust, the disadvantage of having avoided suction pipe can't thoroughly clear up distant place rubbish has improved whole junk-free effect;
3, the present invention is used for forming the α angle between the top board of suction nozzle of road-cleaning and the front flow guiding plate, it is all rolled-up that particularly the air-flow that is produced when this α angle is 35～75 ° can make the rubbish of the rubbish of being close to the road surface and big quality effectively, strengthened the assimilation effect of suction pipe, simultaneously, the swabbing action of blowback air-flow can make the pure air ecto-entad flow, form dustproof air curtain, thereby in the time of can avoiding suction nozzle in working order, cause whole road surface to form the situation of a large amount of airborne dusts, make the junk-free effect reach optimum state;
4, the present invention is provided with the ash discharging hole that links to each other with dust cleaning case on being used in the suction nozzle of road-cleaning in addition, thereby being discharged smoothly, the dust that stockpiles in a large number in dust cleaning case inhales sky, reduced the possibility of secondary pollution, also made cleaning agency integral body reach the effect of multistage cleaning;
5, the present invention's suction nozzle of being used for road-cleaning not only can use separately, and can be used in combination with brush and finish cleaning work jointly, and its highly versatile is applied widely.
Description of drawings
Fig. 1 is the structural representation of suction nozzle of the present invention;
Fig. 2 is the internal construction schematic diagram of suction nozzle of the present invention;
Fig. 3 is the generalized section of A-A among Fig. 2;
Fig. 4 is the generalized section of B-B among Fig. 2;
Fig. 5 is the generalized section of C-C among Fig. 2;
Fig. 6 is the generalized section of D-D among Fig. 2.
Marginal data
1, nozzle body 11, front end-plate
12, end plate 2, side wheel
3, reverse-blow pipe 4, suction pipe
5, preceding blowback 51, Crashworthy plate
52, front flow guiding plate 53, back front flow guiding plate
54, middle deflector 55, top board
56, base plate 6, back blowback
61, back blowing top board 62, back blowing base plate
63, first deflector 64, second deflector
65, rearmounted passage 7, ash discharging hole
8, side blowback
The specific embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the present invention is used for the suction nozzle of the band combination blowback of road-cleaning, it comprises nozzle body 1 and is installed on the side wheel 2 of nozzle body 1 both sides, rear and front end on direction of advance nozzle body 1 is respectively front end-plate 11 and end plate 12, and front end-plate 11 and end plate 12 adopt rubber baffle; The top of nozzle body 1 is equiped with and blower fan outlet reverse-blow pipe 3 that links to each other and the suction pipe 4 that links to each other with the dustbin import, blowback 5 before being provided with between reverse-blow pipe 3 in the nozzle body 1 and the front end-plate 11, be provided with side blowback 8 between reverse-blow pipe 3 and the adjacent side plates, be provided with back blowback 6 between suction pipe 4 and the end plate 12, offer the back blowback air outlet corresponding on the base plate of nozzle body 1 with blowback afterwards 6.Back blowback 6 is circular-arc, polygon-shaped or other are irregularly shaped, is circular-arc in the present embodiment.Be provided with the rearmounted passage 65 that is connected with back blowback 6 in the nozzle body 1, this postposition passage 65 is made up of the dividing plate of sealing, after blower fan is blown into air-flow in the nozzle body 1, can air-flow be blown to blowback 6 places, back along rearmounted passage 65, blow to ground from back blowing air outlet then.Back blowback 6 comprise back blowing top board 61, back blowing base plate 62 and be connected in first deflector 63 on the back blowing base plate 62 and the base plate of passage that second deflector, 64, the first deflectors 63 and second deflector 64 form and nozzle body on back blowback air outlet communicate; First deflector 63 forms the β angle with base plate 62, second deflector 64 forms the γ angle with base plate 62, in preferred embodiment, first deflector 63 is 35～75 ° with the β angle that base plate 62 forms, it is 35～75 ° that second deflector 64 forms the γ angle with base plate 62, this angle with rational can make the high velocity air that blows out that the rubbish on ground is rolled, and it is sucked in the suction pipe 4.In preferred embodiment, an end of preceding blowback 5 links to each other with the side plate of nozzle body 1, and the other end links to each other with suction pipe 4, and the distance between suction pipe 4 blowback more nearby 5 and front end-plate 11 is just far away more; Offer the air outlet corresponding on the base plate of nozzle body 1 with preceding blowback 5.Should preceding blowback 5 comprise Crashworthy plate 51, front flow guiding plate 52, back front flow guiding plate 53, middle deflector 54, top board 55 and base plate 56, Crashworthy plate 51 and front flow guiding plate 52 are connected on the top board 55, middle deflector 54 is connected on back front flow guiding plate 53 and the front flow guiding plate 52, forms the α angle between top board 55 and the front flow guiding plate 52.Top board 55 is 35～75 ° with the α angle that front flow guiding plate 52 forms.In addition, also can on nozzle body 1, offer the ash discharging hole 7 that links to each other with the sweeping machine dust cleaning case, empty, reduce the possibility of secondary pollution, also make cleaning agency integral body reach the effect of multistage cleaning thereby the dust that stockpiles in a large number in dust cleaning case is discharged smoothly;
During work, being installed on the sweeping machine with suction nozzle of the present invention is example, at first rubbish on the road surface and dust are swept to the dead ahead of nozzle body 1 by the clearing apparatus of sweeping machine, near the negative pressure that produces suction pipe 4 by blower fan is adsorbed rubbish then, makes dusty gas and rubbish suck the air draught road in the lump in dustbin.Meanwhile, the air communication that part blower fan produces is crossed reverse-blow pipe 3 and is blown in the nozzle body 1, blow to the road surface between the front flow guiding plate 52 of the preceding blowback 5 of process and the back the front flow guiding plate 53 and air outlet place that offers on the nozzle body 1, owing to form certain angle between top board 55 and the front flow guiding plate 52, and preceding blowback 5 is in tilted layout towards suction pipe 4 places, therefore the high velocity air that blows out can produce the power of this incline direction, make from suction pipe rubbish far away and promptly blown, under the acting in conjunction of blowback general mood stream and air draught air-flow, suck suction pipe 4 smoothly neatly to the suction pipe place.When running into the rubbish of big quality or dirt piece, the Crashworthy plate 51 of preceding blowback 5 can play the effect of buffering and protection.Back blowback 6 blows out the blowback air-flow at the rear side of suction pipe 4, makes the rubbish of being close to ground can break away from ground, and suction pipe 4 can be absorbed easily; Secondly, before the swabbing action of blowback and back blowback air-flow the pure air ecto-entad is flowed, form dustproof air curtain, thus can avoid suction nozzle in working order the time, cause whole road surface to form the situation of a large amount of airborne dusts, make the junk-free effect reach optimum state.Suction nozzle of the present invention is a kind ofly to be installed on the dust exhaust apparatus that uses on the dry type sweeping machine, can act on separately, also can be used in combination with brush and finish cleaning work jointly.
Claims (10)
1, a kind of suction nozzle that is used for the band combination blowback of road-cleaning, it comprises nozzle body (1) and is installed on the side wheel (2) of nozzle body (1) both sides, rear and front end on the direction of advance nozzle body (1) of nozzle body (1) is respectively front end-plate (11) and end plate (12), and the top of nozzle body (1) is equiped with and blower fan outlet reverse-blow pipe (3) that links to each other and the suction pipe (4) that links to each other with the dustbin import; Be provided with preceding blowback (5) between reverse-blow pipe (3) in the nozzle body (1) and the front end-plate (11), be provided with side blowback (8) between reverse-blow pipe (3) and the adjacent side plates, it is characterized in that: be provided with back blowback (6) between described suction pipe (4) and the end plate (12), offer on the base plate of described nozzle body (1) and the corresponding back blowback air outlet of back blowback (6).
2, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 1, it is characterized in that: be provided with the rearmounted passage (65) that is connected with back blowback (6) in the described nozzle body (1), this postposition passage (65) is made up of the dividing plate of sealing, one end of rearmounted passage (65) is positioned at the bottom of reverse-blow pipe (3), and the other end links to each other with back blowback (6).
3, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 1 and 2, it is characterized in that: described back blowback (6) comprises back blowing top board (61), back blowing base plate (62) and is connected in first deflector (63) and second deflector (64) on the back blowing base plate (62), and the passage of first deflector (63) and second deflector (64) formation communicates with back blowback air outlet on the base plate of nozzle body (1); Wherein first deflector (63) forms the β angle with base plate, and second deflector (64) forms the γ angle with base plate.
4, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 3, it is characterized in that: described first deflector (63) is 35～75 ° with the β angle that base plate forms, and it is 35～75 ° that second deflector (64) forms the γ angle with base plate.
5, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 3, it is characterized in that: described back blowback (6) is circular-arc, polygon-shaped or other are irregularly shaped.
6, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 1 and 2, it is characterized in that: an end of blowback (5) links to each other with side blowback (8) before described, the other end links to each other with suction pipe (4), and the distance of getting between blowback nearby (5) and the front end-plate (11) from suction pipe (4) is just far away more; Offer on the base plate of described nozzle body (1) and the corresponding air outlet of preceding blowback (1).
7, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 6, it is characterized in that: blowback (5) comprises Crashworthy plate (51), front flow guiding plate (52), back front flow guiding plate (53), middle deflector (54), top board (55) and base plate (56) before described, Crashworthy plate (51) and front flow guiding plate (52) are connected on the top board (55), middle deflector (54) is connected on front flow guiding plate (52) and the back front flow guiding plate (53), forms the α angle between top board (55) and the front flow guiding plate (52).
8, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 7, it is characterized in that: described top board (55) is 35～75 ° with the α angle that front flow guiding plate (52) forms.
9, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 1 and 2 is characterized in that: also offer the ash discharging hole (7) that links to each other with the sweeping machine dust cleaning case on the described nozzle body (1).
10, the suction nozzle that is used for the band combination blowback of road-cleaning according to claim 6 is characterized in that: also offer the ash discharging hole (7) that links to each other with the sweeping machine dust cleaning case on the described nozzle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101366533A CN100417769C (en) | 2005-12-30 | 2005-12-30 | Road-cleaning absorption nozzle with combined reverse blowers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101366533A CN100417769C (en) | 2005-12-30 | 2005-12-30 | Road-cleaning absorption nozzle with combined reverse blowers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1800501A true CN1800501A (en) | 2006-07-12 |
| CN100417769C CN100417769C (en) | 2008-09-10 |
Family
ID=36810686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101366533A Active CN100417769C (en) | 2005-12-30 | 2005-12-30 | Road-cleaning absorption nozzle with combined reverse blowers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100417769C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518064A (en) * | 2011-12-07 | 2012-06-27 | 中联重科股份有限公司 | Suction nozzle of road cleaning vehicle |
| CN103485299A (en) * | 2013-09-22 | 2014-01-01 | 广西玉柴专用汽车有限公司 | Dust collector for road sweepers |
| CN107604865A (en) * | 2017-10-24 | 2018-01-19 | 徐工集团工程机械有限公司 | Suction nozzle of sweeping car structure and sweeping machine |
| CN107858976A (en) * | 2017-11-14 | 2018-03-30 | 徐工集团工程机械有限公司 | Clean car suction nozzle and there is its cleaning car |
| CN109356070A (en) * | 2018-11-16 | 2019-02-19 | 福建环海环保装备股份有限公司 | A kind of suction nozzle of sweeping car |
| 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 |
| CN109555063A (en) * | 2017-09-27 | 2019-04-02 | 河南森源重工有限公司 | A kind of nozzle unit and the vehicle using the nozzle unit |
| CN109706876A (en) * | 2018-12-26 | 2019-05-03 | 长沙中联重科环境产业有限公司 | Pneumatic plant and sweeping machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389919Y (en) * | 1999-09-27 | 2000-08-02 | 刘锡坤 | Full-suction road cleaner |
| CN2412033Y (en) * | 2000-02-01 | 2000-12-27 | 长沙高新技术产业开发区中标实业有限公司 | Sucking nozzle of sweeping machine |
| CN1400363A (en) * | 2002-05-10 | 2003-03-05 | 陈蓉俊 | Sweeping car |
| CN2594309Y (en) * | 2002-09-12 | 2003-12-24 | 刘锡坤 | Blowing and sucking dust remover |
| JP4154667B2 (en) * | 2003-04-23 | 2008-09-24 | 豊和工業株式会社 | Road sweeper |
| JP4147582B2 (en) * | 2003-04-25 | 2008-09-10 | 豊和工業株式会社 | Dust collection device for road sweeper |
| JP4228206B2 (en) * | 2003-07-14 | 2009-02-25 | 豊和工業株式会社 | Dust collection device for road sweeper |
-
2005
- 2005-12-30 CN CNB2005101366533A patent/CN100417769C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518064A (en) * | 2011-12-07 | 2012-06-27 | 中联重科股份有限公司 | Suction nozzle of road cleaning vehicle |
| CN103485299A (en) * | 2013-09-22 | 2014-01-01 | 广西玉柴专用汽车有限公司 | Dust collector for road sweepers |
| CN103485299B (en) * | 2013-09-22 | 2018-04-03 | 广西玉柴专用汽车有限公司 | Road sweeper dust exhaust apparatus |
| CN109555063A (en) * | 2017-09-27 | 2019-04-02 | 河南森源重工有限公司 | A kind of nozzle unit and the vehicle using the nozzle unit |
| CN107604865A (en) * | 2017-10-24 | 2018-01-19 | 徐工集团工程机械有限公司 | Suction nozzle of sweeping car structure and sweeping machine |
| CN107858976A (en) * | 2017-11-14 | 2018-03-30 | 徐工集团工程机械有限公司 | Clean car suction nozzle and there is its cleaning car |
| CN107858976B (en) * | 2017-11-14 | 2023-12-05 | 江苏徐工国重实验室科技有限公司 | Cleaning vehicle suction nozzle and cleaning vehicle with same |
| CN109356070A (en) * | 2018-11-16 | 2019-02-19 | 福建环海环保装备股份有限公司 | A kind of suction nozzle of sweeping car |
| 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 |
| CN109706876A (en) * | 2018-12-26 | 2019-05-03 | 长沙中联重科环境产业有限公司 | Pneumatic plant and sweeping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100417769C (en) | 2008-09-10 |
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