CN203583415U - Suction nozzle and road cleaning vehicle - Google Patents
Suction nozzle and road cleaning vehicle Download PDFInfo
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- CN203583415U CN203583415U CN201320772009.5U CN201320772009U CN203583415U CN 203583415 U CN203583415 U CN 203583415U CN 201320772009 U CN201320772009 U CN 201320772009U CN 203583415 U CN203583415 U CN 203583415U
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- suction nozzle
- suction
- suction inlet
- inlet
- branching portion
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- 238000004140 cleaning Methods 0.000 title claims abstract description 61
- 230000001502 supplementing effect Effects 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 239000010813 municipal solid waste Substances 0.000 description 39
- 230000000694 effects Effects 0.000 description 17
- 238000010408 sweeping Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241001417527 Pempheridae Species 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a suction nozzle and a road cleaning vehicle. The suction nozzle (200) comprises a main suction nozzle body (210), wherein the main suction nozzle body (210) is of a Y-shaped structure and comprises a main body part (211) and a branch parts (212) which horizontally and obliquely extending outwards from the main body part (211), and the main body part (211) and the branch parts (212) have downwards opening cavities which are mutually communicated. Airflow enters the cavity of each branch part from a ground clearance between the lower end of each branch part and a bottom surface to be cleaned to form two strands of parallel vortex airflow from the tail end of each branch part to the direction of a suction port along each branch part. One strand of vortex airflow is close to the front side of each branch part to play a major dust raising and suction roles, and is used as main vortex; the other strand of vortex airflow is close to the back side of each branch part, is used as auxiliary vortex, can prevent dust particles with larger mass or density from escaping from a clearance between the bottom of the back side of each branch part and the ground under the action of inertial force, and assists the major vortex to suck the dust particles.
Description
Technical field
The utility model relates to environmental sanitation field, particularly, relates to a kind of suction nozzle and comprises the road cleaning vehicle of this suction nozzle.
Background technology
Suction nozzle is main refuse collector on the road cleaning vehicles such as sweeping machine, sweeper.Suction nozzle requires suction capactity strong, and cleaning efficiency is high.Under the swabbing action of blower fan, suction nozzle inner chamber forms certain negative pressure, and under this negative-pressure adsorption effect, clean object (rubbish grit) enters suction nozzle inner chamber from suction nozzle edge, is pooled to suction inlet, and then is drawn in garbage collection box, realizes cleaning effect.When the operating speed of road cleaning vehicle is relatively high or distribute when thicker wait aspirating rubbish grit, suction nozzle pumping efficiency obviously reduces, and cleaning efficiency is not high.If by increasing power of fan, improve cleaning efficiency, not only waste energy, and produce extra impact and noise, affect its application life and produce noise pollution.Suction nozzle is formed by structure weldings such as suction inlet, front apron, vertical plates on both sides and cavity top boards, and suction inlet is arranged in suction nozzle rear.During operation, suction nozzle lower ending opening and ground keep certain road clearance, and the air-flow that is mingled with rubbish is pooled to suction inlet from suction nozzle surrounding gap, and rubbish is drawn in collecting box.When operating speed is higher, rubbish is often escaped from suction nozzle, and cleaning efficiency is not high.Be mainly manifested in following three each and every one aspects:
(1) from suction nozzle edge, (being mainly the front end flexible baffle lower end road clearance) enters suction nozzle inner chamber grit, and due to inadequate towards suction inlet direction suction capactity, grit does not move to suction inlet, just escapes out from the suction nozzle rear road clearance, causes grit to be omitted.
(2), when grit is pooled to suction inlet place, the larger grit of part relative mass or density, under the effect of inertia force, is not able to do in time to be promoted by the high velocity air at suction inlet place, from gap, suction nozzle rear, escapes out.
(3) when grit is pooled to suction inlet place, due to suction inlet place, upwards suction intensity is inadequate, and grit falls under under the effect of gravity, causes grit to be escaped to suction nozzle rear.
Utility model content
The purpose of this utility model is to provide the suction nozzle that a kind of cleaning efficiency is high and can avoid grit to escape.
To achieve these goals, the utility model provides a kind of suction nozzle, described suction nozzle comprises suction nozzle main body, wherein, the branching portion that described suction nozzle main body is formed as Y-shaped structure and comprises main part and horizontally outward tiltedly stretch from described main part, described main part and described branching portion have the cavity of the downward opening communicating with each other.
Preferably, the length of described branching portion and/or the inclination angle difference with respect to described main part.
Preferably, described suction nozzle main body comprises main board, be arranged on the sidepiece shrouding of described main board both sides and be arranged on the end shrouding at described main board two ends, on described main board, is provided with suction inlet.
Preferably, described suction inlet comprises the first suction inlet and the second suction inlet, described suction nozzle comprises the gas supplementing opening being arranged on described main board and between described the first suction inlet and described the second suction inlet, and described cavity comprises the branch flow passage that limited by the inner chamber of described branching portion, is communicated with the first air supply passage of described the first suction inlet and described gas supplementing opening and is communicated with the second air supply passage of described the second suction inlet and described gas supplementing opening.
Preferably, described suction nozzle comprises the rotary air valve that is arranged on the infall of two described branching portions and is positioned at the front of described suction inlet, described rotary air valve, comprise rotating shaft, multiple plate and housing, described housing is connected with described suction nozzle main body, described rotating shaft is through described housing arranging rotationally with respect to described housing, and described multiple plates are circumferentially intervally arranged along described rotating shaft, described housing along the outer peripheral portion of described rotating shaft be coated described rotating shaft and described plate and limit air door suction inlet.
The utility model also provides a kind of road cleaning vehicle, and wherein, described road cleaning vehicle comprises suction nozzle of the present utility model.
By technique scheme, the cavity of each branching portion forms respectively end along branching portion from branching portion two bursts of vortical flow that are parallel to each other towards suction inlet direction.Wherein, one vortical flow is near the front side of branching portion, and intensity is relatively large, plays main airborne dust and swabbing action, is main whirlpool; Another burst of vortical flow be near the rear side of branching portion, intensity relatively a little less than, be auxiliary whirlpool.Auxiliary whirlpool can stop quality or the larger grit of density from the gap between bottom and the ground of the rear side of branching portion, to be escaped under the effect of inertia force, and assists main whirlpool to aspirate grit.
Other feature and advantage of the present utility model are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for manual, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the stereogram of a kind of embodiment of explanation suction nozzle of the present utility model;
Fig. 2 is the stereogram that shows the suction nozzle internal construction of Fig. 1, has wherein removed the parts such as rotating shaft, plate;
Fig. 3 is the stereogram of the mounting structure of rotating shaft, plate and the shrouding of explanation rotary air valve of the present utility model;
Fig. 4 is the fundamental diagram of explanation rotary air valve of the present utility model;
Fig. 5 is the stereogram of explanation suction nozzle of the present utility model, has wherein removed suction pipe and has shown suction nozzle wheel;
Fig. 6 is the upward view of the suction nozzle of Fig. 5;
Fig. 7 is the stereogram of the sidepiece of explanation suction nozzle of the present utility model, has wherein shown dividing plate;
Fig. 8 is the top view of the suction nozzle mounting structure of explanation road cleaning vehicle of the present utility model.
Description of reference numerals
The right suction nozzle of the left suction nozzle 200b of 200 suction nozzle 200a
210 suction nozzle main bodies
211 main part 212 branching portions
212a first parts the 212b of branch first on the left side and parts the 212c of branch second on the right side and part branch on the left side
212d second parts branch on the right side
The downward lug boss 214 sidepiece shroudings of 213 main board 213a
215 end shrouding 216 cover plates
The rear suction inlet of the front suction inlet 222 of 220 suction inlet 221
230 gas supplementing openings
240 suction nozzle wheels
250 rotary air valves
251 rotating shaft 252 plate 253 end plate 254 housings
255 air door suction inlet 256 shroudings
260 baffle plate 270 deflector 271 first deflector 272 second deflectors
The rear suction pipe of 280 dividing plate 290 suction pipe 291 prosiphon 292
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present utility model, a kind of rotary air valve is provided, wherein, this rotary air valve 250 comprises rotating shaft 251, plate 252 and housing 254, described plate 252 is along the axial restraint of described rotating shaft 251 and along the radially extension of described rotating shaft 251, described rotating shaft 251 is through described housing 254 and arrange rotationally with respect to described housing 254, described housing 254 along the outer peripheral portion of described rotating shaft 251 be coated described rotating shaft 251 and described plate 252 and limit air door suction inlet 255.
According on the other hand of the present utility model, a kind of suction nozzle is provided, wherein, described suction nozzle 200 comprises suction nozzle main body 210 and rotary air valve of the present utility model 200, described suction nozzle main body 210 comprises suction inlet 220, described rotary air valve 250 is arranged on the upstream of described suction inlet 220 along the pumping direction of described suction nozzle 200, described suction inlet 220 and described air door suction inlet 255 externally expose and be interconnected.
During use, can at air door suction inlet 255 places, produce negative pressure by aspirator, as shown in Figure 4, there is pressure reduction in the air pressure P2 at the air pressure P1 at air door suction inlet 255 places and suction inlet 220 places, plate 252 is rotated along the clockwise direction in Fig. 4, thereby the bulk rubbish of air door suction inlet 255 front ends is toggled it to air door suction inlet 255 rear ends, to collect by suction inlet 220.In plate 252 rotation processes, the plate 252 moving in housing 254 scopes can form good seal cavity with housing 254, is conducive to keep the negative pressure at air door suction inlet 255 places, and plate 252 is rotated continuously.
Preferably, as shown in Figure 3, described plate 252 can be multiple and circumferentially uniform along described rotating shaft 251, can form continuous hermatic door when strengthening stirring effect, avoid mass air flow to enter suction nozzle 200 from rotary air valve 250, and avoided the cleaning effect that affects suction inlet 220 causing thus.
In addition, as shown in figures 1 and 3, described rotary air valve 250 also comprises and is arranged on the two ends of described rotating shaft 251 shrouding 256 between described housing 254 and described plate 252, and described shrouding 256 is that circle and radius are consistent with the length radially along described rotating shaft 251 of described plate 252.Thus, can the parts of its both sides be separated by shrouding 256, to strengthen the sealing of housing 254, sealing 256 and the enclosure space that limited of plate 252.
In the utility model, housing 254 can adopt various suitable structures, as long as allow rotating shaft 251 rotate and limit enclosure space and air door suction inlet 255 with plate 252.In preferred embodiment of the present utility model, as depicted in figs. 1 and 2, described housing 254 can comprise end plate 253 and guard shield, described end plate 253 is fan-shaped, described guard shield is formed as the shape that cylindrical portions is longitudinally dissectd, the radius of the curved end of described guard shield mates with the radius of described end plate 253, and the central angle that described curved end is corresponding is 135-225 °.Wherein, the end shape of the fan-shaped and guard shield of end plate 253 mates (for example, in the illustrated embodiment, guard shield is roughly half cylinder shape, and end plate 253 is formed as semicircle).
Thus, the region that air door suction inlet 255 can corresponding not sealed by housing 254.Wherein, the circumferential two ends along guard shield of air door suction inlet 255 are respectively as the front-end and back-end of air door suction inlet 255, and during use, outside front end is exposed to orientation forward, rear end is communicated in suction inlet 220 with location backwards.Rubbish (for example mineral water bottle) enters rotary air valve 250 from the front end of air door suction inlet 255, and through the pull over rear end of air door suction inlet 255 of the rotation of plate 252, then by suction inlet 220, collects.
According on the other hand of the present utility model, a kind of suction nozzle is provided, wherein, described suction nozzle 200 comprises suction nozzle main body 210 and rotary air valve of the present utility model 250, described suction nozzle main body 210 comprises suction inlet 220, described rotary air valve 250 is arranged on the upstream of described suction inlet 220 along the pumping direction of described suction nozzle 200, described suction inlet 220 and described air door suction inlet 255 externally expose and be interconnected.
Wherein, rotary air valve 250 can be installed to suction nozzle main body 210 by various suitable modes.For example by rotating shaft 251, be rotatably installed on suction nozzle main body 210.
Preferably, as shown in Figure 1 and Figure 5, two branching portions 212 that described suction nozzle main body 210 can be formed as Y-shaped structure and comprise main part 211 and horizontally outward tiltedly stretch from described main part 211, described main part 211 and described branching portion 212 have the cavity of the downward opening communicating with each other, the lower end of described branching portion 212 and ground to be cleaned are kept for allowing air-flow to enter the road clearance of described cavity, described suction inlet 220 is arranged on described main part 211, and described rotary air valve 250 is arranged on the infall of described two branching portions 212 and is positioned at the front of suction inlet 220.Thus, can light thing or bulky grain rubbish (such as mineral water bottle etc.) be pooled to rotary air valve 250 places by the suction nozzle main body of Y shape 210, to collect in suction nozzle 200 by rotary air valve 250.
In addition, the Y-shaped structure of suction nozzle main body 210 has taken into full account hydrodynamics and the impact of movement of dust particle rule on its suction effect.During use, the side at branching portion 212 places is front (in Fig. 6 side) upward, and the side at main part 211 places is rear (in Fig. 6 side) down, below said cross reference explanation herein.Under the swabbing action of blower fan, air-flow enters cavity from the lower end of branching portion 212 and the road clearance on ground to be cleaned, and in the cavity of each branching portion 212, forming respectively end along branching portion 212 from branching portion 212 two bursts of vortical flow that are parallel to each other towards suction inlet 220 directions, these two bursts of vortical flow move and come together in suction inlet 220 places towards suction inlet 220 fast.Wherein, one vortical flow is near the front side (deviating from the side of main part 211) of branching portion 212, and intensity is relatively large, plays main airborne dust and swabbing action, is main whirlpool; Another burst of vortical flow be near the rear side of branching portion 212 side of main part 211 (in the face of), intensity relatively a little less than, be auxiliary whirlpool.Auxiliary whirlpool can stop quality or the larger grit of density from the gap between bottom and the ground of the rear side of branching portion 212, to be escaped under the effect of inertia force, and assists main whirlpool to aspirate grit.Thus, the road cleaning vehicle (such as sweeping machine, sweeper etc.) with suction nozzle 200 of the present utility model can carry out high velocity sweep, for example, time more than scooter 10km/h.
Preferably, as shown in Figure 5, the length of described two branching portions 212 and/or the inclination angle difference with respect to described main part 211.In other words, suction nozzle main body 210 can be formed as asymmetric Y-shaped structure.Thus, can by suitable branching portion 212, install according to the working condition of road cleaning vehicle, thereby realize better cleaning effect.This will describe in detail in below to the description of road cleaning vehicle.
In addition, preferably, as shown in Figure 1, described suction nozzle 200 can comprise and is arranged on the front side of described branching portion 212 and downwards towards tilted baffle plate 260.Baffle plate 260 is along the bearing of trend setting of branching portion 212, thereby also towards main part 211, tilt, from front side, meet to the rubbish of suction nozzle 200 and can towards rotary air valve 250, collect along baffle plate 260, light thing or bulky grain rubbish (such as mineral water bottle etc.) can be collected in suction nozzle 200 by rotary air valve 250, Other Waste can move down and cross baffle plate 260 under the downward guide effect inwardly of baffle plate 260, thereby can via suction inlet 220, collect in suction nozzle 200 from baffle plate 260 belows.
Preferably, the lower end of baffle plate 260 limits the lower end of suction nozzle main body 210 and the minimum ground clearance on ground to be cleaned, and this minimum ground clearance is called the road clearance of suction nozzle 200.Preferably, baffle plate 260 arranges in Height Adjustable mode, to regulate as required the height of its lower end.
In the utility model, suction nozzle main body 210 can consist of suitable parts.For example, in the embodiment shown in Fig. 6, described suction nozzle main body 210 can comprise main board 213, be arranged on the sidepiece shrouding 214 and the end shrouding 215 that is arranged on described main board 213 two ends (upper and lower two ends in Fig. 6) of described main board 213 both sides (left and right sides in Fig. 6), and described suction inlet 220 is arranged on described main board 213.Thus, main board 213, sidepiece shrouding 214 and end shrouding 215 can form the open body structure in bottom, and by the suction inlet 220 space suction rubbish open from below.Suction nozzle main body 210 can also comprise the cover plate 216 that is arranged on main board 213 tops.
Wherein, sidepiece shrouding 214 surrounds the both sides of main board 213, and the external part of sealing branching portion 212, makes air-flow can only enter from the road clearance between the lower end of branching portion 212 and ground to be cleaned the cavity of branching portion 212.
In addition, in the utility model, main board 213, sidepiece shrouding 214 and end shrouding 215 can be respectively the assemblies of integral piece or multiple plates assembleds.And sidepiece shrouding 214 and end shrouding 215 around main board 213, extend to the both sides that protrude from main board 213 from outside along the thickness direction of main board 213.Wherein, the height that protrudes from main board 213 of sidepiece shrouding 214 and end shrouding 215 can be identical or different.
Wherein, end shrouding 215 can comprise the leading section shrouding that is arranged on branching portion 212 front sides and the rearward end shrouding that is arranged on main part 211 rear sides.Here, leading section shrouding can be used as above-mentioned baffle plate 260 or in the front side of leading section shrouding, independent baffle plate 260 is set.
In addition, preferably, the side towards described main part 211 of described branching portion 212 and/or the side towards described branching portion 212 of described main part 211 are provided with the deflector 270 that the rubbish for preventing in described branching portion 212 is escaped.In the illustrated embodiment, deflector 270 is arranged on the bottom of sidepiece shrouding 214.
Wherein, deflector 270 can be flat board or arc.In addition, deflector 270 can be horizontally disposed with, or to the back upper place of the rear side of branching portion 212, tilts at a certain angle.
As mentioned above, deflector 270 can optionally be arranged on branching portion 212 and/or main part 211.For example, in the embodiment shown in Fig. 6, described deflector 270 comprises the second deflector 272 that is arranged on the first deflector 271 on branching portion 212 and is arranged on the position engaging with described two branching portions 212 respectively of described main part 211.Wherein, the first deflector 271 is arranged on the bottom of described branching portion 212 and stretches out along the bearing of trend of described branching portion 212, and described the second deflector 272 connects the bottom of described main part 211 and described branching portion 212 and stretches out.
In addition, preferably, as shown in Figure 7, in described branching portion 212, be provided with the dividing plate 280 being connected between described baffle plate 260 and described main board 213, described dividing plate 280 is along the whole length setting of described branching portion 212, and described dividing plate 280 is respectively the angle that is more than or equal to 90 degree deviating from a side of described baffle plate 260 and described main board 213 and described baffle plate 260.By dividing plate 280 is set, avoided by forming long and narrow wedge shape cavity and stagnant area, consequent flow field between baffle plate 260 and main board 213, thereby improved the shape of main vortical flow in branching portion, improved its suction capactity.In addition, owing to having avoided stagnant area, wedge shape flow field, thereby avoided particle to rest on stagnant area, favourable particle absorbs fast.
In preferred embodiment of the present utility model, suction inlet 220 can comprise the first suction inlet and the second suction inlet, and described suction nozzle 200 can also comprise the gas supplementing opening 230 that is arranged between described the first suction inlet and described the second suction inlet, be communicated with the first air supply passage of described the first suction inlet and described gas supplementing opening 230 and be communicated with the second air supply passage of described the second suction inlet and described gas supplementing opening 230.The cavity of the downward opening communicating with each other that in this embodiment, described main part 211 and described branching portion 212 limit comprises the branch flow passage, the first air supply passage and the second air supply passage that by the inner chamber of described branching portion 212, are limited.
In suction nozzle 200 of the present utility model, gas supplementing opening 230 can be separated into two independent actions, non-interfering suction inlet by the first suction inlet and the second suction inlet on the one hand, can provide secondary air by the first air supply passage and the second air supply passage on the other hand, to improve swabbing action.
Wherein, the structure of suction nozzle 200 can be set as required, to the first suction inlet, the second suction inlet, gas supplementing opening 230, the first air supply passage and the second air supply passage are set.For example, described the first suction inlet, the second suction inlet and gas supplementing opening 230 can be arranged on described main board 213, and can limit corresponding air supply passage by main board 213, sidepiece shrouding 214 and end shrouding 215.Particularly, between the first suction inlet and the end shrouding 215 adjacent with the first suction inlet, can form first end air supply passage, and between the first suction inlet and gas supplementing opening, forming the first air supply passage, the suction airflow of the first suction inlet is that the flow through air-flow of first end air supply passage and the first air supply passage merges; Between the second suction inlet and the end shrouding 215 adjacent with the second suction inlet, can form the second end air supply passage, and between the second suction inlet and gas supplementing opening, forming the second air supply passage, the suction airflow of the second suction inlet is that the flow through air-flow of the second end air supply passage and the second air supply passage merges.
Preferably, as shown in Figure 5, described the first suction inlet, gas supplementing opening 230 and the second suction inlet are along the length direction setting of described suction nozzle main body.In addition, can make rotary air valve 250, the first suction inlet, gas supplementing opening 230 and the second suction inlet along arranged in a straight line.Thus, on the one hand, the rubbish of collecting through rotary air valve 250 can be collected by the first suction inlet or the second suction inlet; On the other hand, the first suction inlet can be used as front suction inlet 221, the second suction inlets as rear suction inlet 222, thereby it is clean in traveling process, to implement secondary.Particularly, when advancing to certain position, front suction inlet 221 can clean first, and when rear suction inlet 222 is followed through this position, carries out secondary and clean.
In addition, as shown in Figure 5, at described main part 211, it is the inverted stereogram of suction nozzle that described main board 213 has downward lug boss 213a(Fig. 5, lug boss 213a is shown as and projects upwards downwards), it is upper that described gas supplementing opening 230 is arranged on described downward lug boss 213a, the edge of the relative edge limited described downward lug boss 213a of described the first suction inlet and the second suction inlet.Thus, the end face of the first suction inlet and the second suction inlet has difference in height, the rubbish entering from suction nozzle front side can by the difference in height of the first suction inlet stop and substantially by first suction inlet suck, the rubbish entering from suction nozzle rear side can by the difference in height of the second suction inlet stop and substantially by second suction inlet suck.
In the utility model, front suction inlet 221 and rear suction inlet 222 can be connected to identical aspirator.Wherein, front suction inlet 221 can be designed to play main cleaning action, for this reason, can make the flow area of front suction inlet 221 be greater than the flow area of rear suction inlet 222.
In addition, in the utility model, suction nozzle 200 also comprises the suction pipe 290 of drawing from suction inlet 220, so that the rubbish of collection is transported in the garbage containing chamber in road cleaning vehicle.Wherein, before having, suction inlet 221 and rear suction inlet 222 in the situation that, suction nozzle 200 comprises the prosiphon 291 and the rear suction pipe 292 that correspond respectively to front suction inlet 221 and rear suction inlet 222.
In addition, as described in Figure 5, suction nozzle 200 can be provided with suction nozzle wheel 240, to take turns 240 by suction nozzle, supports on the ground.Suction nozzle wheel 240 can adopt suitable structure to install and can rotate around its rotating shaft.And suction nozzle wheel 240 can be arranged so that its rotating shaft can rotate around the axis of the passage section perpendicular to suction inlet 220, thereby suction nozzle wheel 240 can arbitrarily be rotated on the ground, so that suction nozzle 200 can move arbitrarily on the ground thereupon.Wherein, suction nozzle wheel 240 can be multiple and according to the arrangements of suction nozzle 200, to balancedly carry and guide suction nozzle 200.
Preferably, when suction nozzle 200 is formed as asymmetric Y-shaped structure, as shown in Figure 5 and Figure 6, suction nozzle 200 can comprise three suction nozzle wheels 240, wherein two suction nozzles wheel 240 is separately positioned on the both sides of described main part 211, another suction nozzle wheel 240 is arranged on the outside of long or larger with respect to the inclination angle of described main part 211 branching portion 212 of length, to guarantee the balance of suction nozzle 200.
According on the other hand of the present utility model, a kind of road cleaning vehicle is provided, wherein, this road cleaning vehicle comprises suction nozzle 200 of the present utility model.Wherein, road cleaning vehicle can be the various machineries that are suitable for cleaning rubbish, example sweeping machine as shown in Figure 8.
For realizing efficient cleaning, road cleaning vehicle can be installed multiple suction nozzles 200.For example, in the embodiment shown in Fig. 8, road cleaning vehicle can be installed two sidepiece suction nozzles, and these two sidepiece suction nozzles all can adopt suction nozzle 200 of the present utility model.Particularly, two sidepiece suction nozzles can comprise left suction nozzle 200a and right suction nozzle 200b.
Preferably, left suction nozzle 200a and right suction nozzle 200b can stagger along the length direction of described road cleaning vehicle, make the clean scope of left suction nozzle 200a and right suction nozzle 200b have overlapping region at the middle part of the width of described road cleaning vehicle.Thus, in the time of can using at the same time left suction nozzle 200a and right suction nozzle 200b, guarantee the width of the clean vehicle of the clean comprehensive covering path of scope.
For realizing above-mentioned comprehensive covering path, clean the clean scope of the width of vehicle, preferably, described left suction nozzle 200a comprises that first parts the 212a of branch and first on the left side and part the 212b of branch on the right side, the described first distance extending laterally that parts the main part 211 along described left suction nozzle 200a of the 212a of branch on the left side is less than the described first distance extending laterally that parts the described main part 212 along described left suction nozzle 200a of the 212b of branch on the right side, described right suction nozzle 200b comprises that second parts the 212c of branch and second on the left side and part the 212d of branch on the right side, the described second distance extending laterally that parts the main part 211 along described right suction nozzle 200b of the 212c of branch on the left side is greater than the described second distance extending laterally that parts the described main part 211 along described right suction nozzle 200b of the 212d of branch on the right side, described first parts the 212a of branch and described second on the right side parts the 212c of branch on the left side and staggers along the direct of travel of described road cleaning vehicle, described first parts the 212a of branch and described second on the right side parts the 212c of branch on the left side along the width of described road vehicle overlapping (the longer branch part of two suction nozzles is also overlapping in the inner side of road cleaning vehicle).Thus, first parts the 212b of branch and second on the right side parts the 212c of branch on the left side and can on the fore-and-aft direction of road cleaning vehicle, interlock, and makes clean scope can have above-mentioned overlapping region.
Understandably, the rubbish on road mainly concentrates on road edge.China is left handle drive, and during Vehicle Driving Cycle, vehicle right side is near road edge.Therefore, by above-mentioned layout, as shown in Figure 8, second of right suction nozzle 200b parts the 212d of branch on the right side, and to depart from the distance of its main part 211 less, thereby when road cleaning vehicle is kept to the right on road, right suction nozzle 200b can more close road edge, so that effectively cleaning concentrates on the rubbish at road edge.
In addition, left suction nozzle 200a and right suction nozzle 200b can be installed on road cleaning vehicle in liftable mode respectively, to optionally use left suction nozzle 200a and/or right suction nozzle 200b to carry out cleaning operation.In other words, road cleaning vehicle of the present utility model can adopt three kinds of cleaning modes: left side cleaning mode (using separately left suction nozzle 200a), right side cleaning mode (using separately right suction nozzle 200b) and comprehensive cleaning mode (simultaneously using left suction nozzle 200a and right suction nozzle 200b).
In addition, as shown in Figure 8, described road cleaning vehicle can comprise that two are swept dish 100, sweeps the front side that dish 100 is separately positioned on two described sidepiece suction nozzles for these two, and described in sweep the cleaning range of dish 100 and the clean scope of described sidepiece suction nozzle has overlapping region.Thus, can by sweep dish 100 cleaning rubbish and by refuse collection to suction nozzle 200, to suck in the dustbin of road cleaning vehicle by suction nozzle 200.
The outer rim of sweeping the cleaning range of dish 100 preferably, is positioned at the outside of the outer rim of the clean scope of described sidepiece suction nozzle.Here, outer rim refers to the edge with respect to the both sides of the width of road cleaning vehicle.As shown in Figure 8, sweep the border circular areas that dish 100 cleaning range can cover with reference to its brush in top view, owing to sweeping the outer rim of dish 100 cleaning range and be positioned at the outside of the outer rim of the clean scope of suction nozzle 200, thereby can be by the refuse collection in the clean scope outside of suction nozzle 200 front to suction nozzle 200, to suck by suction nozzle 200.
Below in conjunction with preferred embodiment of the present utility model, illustrate the work of road cleaning vehicle of the present utility model and suction nozzle.
During road cleaning vehicle operation, sweep dish 100 rubbish is collected towards the front of suction nozzle 200, to collect in the dustbin of road cleaning vehicle by suction nozzle 200.Meanwhile, suction nozzle 200 is also collected the rubbish of (for example road cleaning vehicle below) in its clean scope by the suction of self.In fact, during road cleaning vehicle operation, can use separately suction nozzle 200 to carry out clean operation, also can carry out the above-mentioned hybrid operation coordinating by sweeping dish 100.During operation, the direct of travel of road cleaning vehicle is consistent with the bearing of trend of main part 211, that is, rotary air valve 250, front suction inlet 221, gas supplementing opening 230 and rear suction inlet 222 are arranged along direct of travel.
First collection process by sweeping dish 100 rubbish that collect is described.Sweep dish 100 rubbish in the clean scope outside (for example curb place) of suction nozzle 200 is pooled to suction nozzle 200 fronts, rubbish is met to the front side of suction nozzle 200 and by baffle plate 260 and is led, light thing or bulky grain rubbish (such as mineral water bottle etc.) can be collected in suction nozzle 200 by rotary air valve 250, Other Waste can move down and cross baffle plate 260 under the downward guide effect inwardly of baffle plate 260, thereby can enter in branching portion 212 from baffle plate 260 belows, and towards main part 211, move under the effect of two bursts of parallel vortical flow in branching portion 212, by front suction inlet 221 or rear suction inlet 222, collect subsequently and correspondingly by prosiphon 291 or rear suction pipe 292, be transported in the dustbin of road cleaning vehicle.Wherein, secondary air that front suction inlet 221 provides by the suction force that provided by aspirator and gas supplementing opening 230 combined gas streams of first end air supply passage and the first air supply passage (from) is realized suction, to collect rubbish; Secondary air that rear suction inlet 222 provides by the suction force that provided by aspirator and gas supplementing opening 230 combined gas streams of the second end air supply passage and the second air supply passage (from) is realized suction, to collect rubbish.Wherein, the rubbish of not collected by front suction inlet 221, by collecting under the swabbing action at rear suction inlet 222, has been avoided omission.
Take the rubbish of collecting road cleaning vehicle below, as illustrating suction nozzle 200, example collects the rubbish in its clean scope by the suction of self below.Front suction inlet 221 and rear suction inlet 222 produce respectively the swabbing action centered by separately, and suction inlet 221 and rear suction inlet 222 are drawn in corresponding suction pipe in the past to make the rubbish of cavity of the downward opening that enters suction nozzle 200.Particularly, in the past rollover more baffle plate 260 belows enter secondary air that suction force that the rubbish of the cavity of described downward opening can provide by aspirator as mentioned above and gas supplementing opening 230 provide via front suction inlet 221 or afterwards suction inlet 222 suck corresponding suction pipe, and finally enter dustbin (rubbish entering from front side mainly by suction inlet 221 collect, rear suction inlet 222 mainly plays the clean effect of secondary).From sidepiece enter described downward opening cavity rubbish can collect corresponding suction pipe under the swabbing action of suction inlet 221 or rear suction inlet 22.From rear portion enter described downward opening cavity rubbish mainly by suction inlet 222 collect.
Understandable, no matter rubbish enters into the cavity of branching portion 212 correspondences in which kind of mode, all will under the effect two bursts of parallel vortical flow, towards main part 211, move, and collects via front suction inlet 221 or rear suction inlet 222.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (6)
1. a suction nozzle, described suction nozzle (200) comprises suction nozzle main body (210), it is characterized in that, the branching portion (212) that described suction nozzle main body (210) is formed as Y-shaped structure and comprises main part (211) and horizontally outward tiltedly stretch from described main part (211), described main part (211) and described branching portion (212) have the cavity of the downward opening communicating with each other.
2. suction nozzle according to claim 1, is characterized in that, the length of described branching portion (212) and/or the inclination angle difference with respect to described main part (211).
3. suction nozzle according to claim 2, it is characterized in that, described suction nozzle main body (210) comprises main board (213), be arranged on the sidepiece shrouding (214) of described main board (213) both sides and be arranged on the end shrouding (215) at described main board (213) two ends, is provided with suction inlet (220) on described main board (213).
4. suction nozzle according to claim 3, it is characterized in that, described suction inlet (220) comprises the first suction inlet and the second suction inlet, described suction nozzle comprises and is arranged on the upper and gas supplementing opening (230) between described the first suction inlet and described the second suction inlet of described main board (213), and described cavity comprises the branch flow passage that limited by the inner chamber of described branching portion (212), is communicated with the first air supply passage of described the first suction inlet and described gas supplementing opening (230) and is communicated with described the second suction inlet and the second air supply passage of described gas supplementing opening (230).
5. suction nozzle according to claim 1 and 2, it is characterized in that, described suction nozzle comprises the rotary air valve (250) in the front that is arranged on the infall of two described branching portions (212) and is positioned at described suction inlet (220), described rotary air valve (250), comprise rotating shaft (251), multiple plates (252) and housing (254), described housing is connected with described suction nozzle main body (210), described rotating shaft (251) is passed described housing (254) and is arranged rotationally with respect to described housing (254), described multiple plate (252) being circumferentially intervally arranged along described rotating shaft (251), described housing (254) along the outer peripheral portion of described rotating shaft (251) be coated described rotating shaft (251) and described plate (252) and limit air door suction inlet (255).
6. a road cleaning vehicle, is characterized in that, described road cleaning vehicle comprises according to the suction nozzle described in any one in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772009.5U CN203583415U (en) | 2013-11-28 | 2013-11-28 | Suction nozzle and road cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772009.5U CN203583415U (en) | 2013-11-28 | 2013-11-28 | Suction nozzle and road cleaning vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203583415U true CN203583415U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320772009.5U Expired - Lifetime CN203583415U (en) | 2013-11-28 | 2013-11-28 | Suction nozzle and road cleaning vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN203583415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964905A (en) * | 2017-11-20 | 2018-04-27 | 徐工集团工程机械有限公司 | Suction nozzle of sweeping car and sweeping machine |
-
2013
- 2013-11-28 CN CN201320772009.5U patent/CN203583415U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964905A (en) * | 2017-11-20 | 2018-04-27 | 徐工集团工程机械有限公司 | Suction nozzle of sweeping car and sweeping machine |
| CN107964905B (en) * | 2017-11-20 | 2023-05-30 | 江苏徐工国重实验室科技有限公司 | Suction nozzle of road sweeper and road sweeper |
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Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Co-patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Address before: 410013 Changsha province high tech Development Zone, No. 307 South Road, silver basin Co-patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: Changsha Zoomlion Environmental Industry Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170613 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Address before: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Co-patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. |
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Granted publication date: 20140507 |
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| CX01 | Expiry of patent term |