CN104195975B - Suction nozzle and pavement cleaning vehicle for pavement cleaning vehicle - Google Patents
Suction nozzle and pavement cleaning vehicle for pavement cleaning vehicle Download PDFInfo
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- CN104195975B CN104195975B CN201410427138.XA CN201410427138A CN104195975B CN 104195975 B CN104195975 B CN 104195975B CN 201410427138 A CN201410427138 A CN 201410427138A CN 104195975 B CN104195975 B CN 104195975B
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Abstract
The invention discloses a kind of suction nozzle for pavement cleaning vehicle, including top board, coaming plate, front apron and backboard, top board, coaming plate, front apron and backboard enclose and form the tray type structure uncovered with bottom, tray type structure is internally formed disc type vacuum chamber, and at least one in front apron, coaming plate, backboard is provided with to disc type vacuum chamber sunken inside and for changing the concave configuration that the internal charge air flow of disc type vacuum chamber flows to；Top board is provided with for from disc type vacuum chamber to sweeper refuse bin suction the first pump orifice and for from disc type vacuum chamber to sweeper refuse bin suction the second pump orifice, the orthographic projection at the center of the first pump orifice is in suction nozzle along the centrage of road surface for clearance direction of propulsion and near front apron laying, and the orthographic projection at the center of the second pump orifice deviates from suction nozzle and lays along the centrage of road surface for clearance direction of propulsion close backboard.It is formed with strong adsorption effect targetedly, it is ensured that high efficiency strong adsorption ability.
Description
Technical field
The present invention relates to road cleaning equipment field, especially, relate to a kind of suction nozzle for pavement cleaning vehicle.Moreover, it relates to a kind of pavement cleaning vehicle including the above-mentioned suction nozzle for pavement cleaning vehicle.
Background technology
Along with the development in city, the road pavement environment such as a large amount of dregs rubbish produced in urban construction causes bad impact, and maintenance work and the environment maintenance task of road are increasingly dependent on high efficiency mechanized equipment.Road sweeper is a kind of special-purpose vehicle integrating and cleaning with refuse collection, now it is widely used in the road surface dust alleviation work in each large, medium and small city, formation air-flow under the effect of the negative pressure that road sweeper is produced at blower fan by nozzle unit, being sucked in garbage box by rubbish around suction nozzle mouth, the quality of the version of suction nozzle will directly influence the cleaning effect of sweeper.
Existing suction nozzle is generally of circular suction inlet, and circular suction inlet sucks refuse bin by suction pipe.During owing to cleaning, the air-flow carrying rubbish mainly sucks from suction nozzle front, causes that a large amount of rubbish blocks up in suction inlet front end, and the collision between rubbish etc. interacts big, make the big energy of rubbish windage loss, even more so that part rubbish falls go back to ground under interacting.This not only results in sweeping efficiency and reduces, and is not suitable to high velocity sweep.
Summary of the invention
Present invention aim at providing a kind of suction nozzle for pavement cleaning vehicle and pavement cleaning vehicle, to solve the technical problem that existing nozzle structure easily causes the blocking of suction inlet front end, rubbish can not thoroughly be cleared up, sweeping efficiency is low, energy consumption is big.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of suction nozzle for pavement cleaning vehicle, including the top board being located at top, it is located at the coaming plate of both sides flank, it is located between the flank of both sides and for the front apron advanced to direction, road surface for clearance and the backboard be located between the flank of both sides and run off for the pavement garbage of entry deterrence suction nozzle, top board, coaming plate, front apron and backboard enclose and form the tray type structure uncovered with bottom, tray type structure is internally formed disc type vacuum chamber, front apron, coaming plate, at least one in backboard is provided with to disc type vacuum chamber sunken inside and for changing the concave configuration that the internal charge air flow of disc type vacuum chamber flows to；Top board is provided with for from disc type vacuum chamber to sweeper refuse bin suction the first pump orifice and for from disc type vacuum chamber to sweeper refuse bin suction the second pump orifice, the center of the first pump orifice to the orthographic projection of bottom be in suction nozzle along road surface for clearance direction of propulsion centrage on and near front apron lay, the center of the second pump orifice to the orthographic projection of bottom deviate from suction nozzle along road surface for clearance direction of propulsion centrage and near backboard lay.
Further, coaming plate is provided with concave configuration, and the concave configuration on coaming plate includes the second depressed part that coaming plate wall body is formed to the second pump orifice direction depression to the first depressed part and the coaming plate wall body of the first pump orifice direction depression formation；Coaming plate position between the first depressed part and the second depressed part adopts arc, coaming plate position between the first depressed part and front apron and the position between the second depressed part and backboard to adopt flat board.
Further, the first depressed part forms the first spur arranged towards the first pump orifice in disc type vacuum chamber, and the first spur is set to the first arcwall face towards the side of front apron；And/or second depressed part formed in disc type vacuum chamber towards second pump orifice arrange the second spur, the second spur is set to the second arcwall face towards the one side of backboard.
Further, coaming plate is arranged symmetrically with along suction nozzle along the centrage of road surface for clearance direction of propulsion.
Further, front apron is provided with concave configuration, and the concave configuration on front apron adopts to disc type vacuum chamber sunken inside and is used for enclosing at front apron and coaming plate forming the U-shaped front wing taking out volume turbulent flow in the region of formation, and U-shaped front wing is located at the middle part of front apron.
Further, backboard is provided with concave configuration, concave configuration on backboard adopts to disc type vacuum chamber sunken inside and is used for enclosing, at backboard and coaming plate, the arc concave shape rear wing forming reverse impact eddy current in the region of formation, arc concave shape rear wing is located at the middle part of backboard, and backboard position between arc concave shape rear wing and coaming plate is set to arc.
Further, the U-shaped front wing of front apron and the arc concave shape rear wing of backboard are positioned opposite.
Further, at least one in front apron, backboard, coaming plate is set to be the step-like configuration to disc type vacuum chamber contract or ramp formation from bottom to up, so that disc type vacuum chamber forms the suction cavity collected from lower open to top board direction.
Further, the inner surface of top board offers volution trough, volution trough be opened on top board inner surface and with vortex form wriggle arrange groove；The vortex center that volution trough is vortex form with the first pump orifice and/or the second pump orifice.
According to a further aspect in the invention, additionally providing a kind of pavement cleaning vehicle, it includes the above-mentioned suction nozzle for pavement cleaning vehicle.
The method have the advantages that
The present invention is for the suction nozzle of pavement cleaning vehicle, the airflow direction entering in disc type vacuum chamber by arranging concave configuration to change at least one in front apron, coaming plate, backboard, it is aided with the first pump orifice and/or the suction force of the second pump orifice, makes to be formed in disc type vacuum chamber to lead to the first pump orifice and/or the air-flow vortex of the second pump orifice；First pump orifice is arranged near front apron and is in the position of center line of suction nozzle, the air-flow that suction nozzle enters from front apron in advance process is made by concave configuration change airflow direction and to form eddy airstream centered by the first pump orifice, rubbish is quickly aspirated to the first pump orifice direction, reduces rubbish and be trapped in the probability forming accumulation in suction nozzle；Second pump orifice is arranged near backboard and deviates the centrage of suction nozzle, the air-flow entered causes air-flow to arrive the speed of the second pump orifice and intensity is inconsistent through the bounce-back of both sides coaming plate, can farthest cater to the multidirectional dense rare distribution of rubbish, more high to ensure the local absorption affinity granulated garbage concentration is more high, spatial match by suction inlet decentered distribution form Yu the multi-direction regularity of distribution of rubbish, it is formed with strong adsorption effect targetedly, it is ensured that high efficiency strong adsorption ability；Second pump orifice is on the first pump orifice on the excircle of the eddy airstream of formation, form the auxiliary suction inlet of the first pump orifice, and air-flow through backboard bounce-back and forms eddy airstream centered by the second pump orifice, the first same pump orifice becomes the auxiliary suction inlet of the second pump orifice, it is ensured that the high efficiency strong adsorption ability of double suction mouth.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is one of structural representation of suction nozzle for pavement cleaning vehicle of the preferred embodiment of the present invention；
Fig. 2 is the cross section view of Fig. 1 position of center line；
Fig. 3 is the two of the structural representation of the suction nozzle for pavement cleaning vehicle of the preferred embodiment of the present invention.
Marginal data:
1, top board；2, coaming plate；3, front apron；4, backboard；5, concave configuration；501, the first depressed part；502, the second depressed part；6, the first pump orifice；7, the second pump orifice；8, the first spur；9, the second spur；10, the first arcwall face；11, the second arcwall face；12, step-like configuration；13, the first suction inlet pipe；14, the second suction inlet pipe；15, total suction inlet pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can by the multitude of different ways that limits and cover implement.
Fig. 1 is one of structural representation of suction nozzle for pavement cleaning vehicle of the preferred embodiment of the present invention；Fig. 2 is the cross section view of Fig. 1 position of center line；Fig. 3 is the two of the structural representation of the suction nozzle for pavement cleaning vehicle of the preferred embodiment of the present invention.
As shown in Figure 1, the suction nozzle for pavement cleaning vehicle of the present embodiment, including the top board 1 being located at top, it is located at the coaming plate 2 of both sides flank, it is located between the flank of both sides and for the front apron 3 advanced to direction, road surface for clearance and the backboard 4 be located between the flank of both sides and run off for the pavement garbage of entry deterrence suction nozzle, top board 1, coaming plate 2, front apron 3 and backboard 4 four enclose and form the tray type structure uncovered with bottom, tray type structure is internally formed disc type vacuum chamber, front apron 3, coaming plate 2, at least one in backboard 4 is provided with to disc type vacuum chamber sunken inside and for changing the concave configuration 5 that the internal charge air flow of disc type vacuum chamber flows to；Top board 1 is provided with for from disc type vacuum chamber to sweeper refuse bin suction the first pump orifice 6 and for from disc type vacuum chamber to sweeper refuse bin suction the second pump orifice 7, the center of the first pump orifice 6 to the orthographic projection of bottom be in suction nozzle along road surface for clearance direction of propulsion centrage on and lay near front apron 3, the center of the second pump orifice 7 deviates from suction nozzle to the orthographic projection of bottom and lays along the centrage of road surface for clearance direction of propulsion and near backboard 4.The present invention is for the suction nozzle of pavement cleaning vehicle, the airflow direction entering in disc type vacuum chamber by arranging concave configuration 5 to change at least one in front apron 3, coaming plate 2, backboard 4, it is aided with the suction force of the first pump orifice 6 and/or the second pump orifice 7, makes in disc type vacuum chamber, to form the air-flow vortex leading to the first pump orifice 6 and/or the second pump orifice 7；First pump orifice 6 arranges near front apron 3 and is in the position of center line of suction nozzle, make the air-flow that suction nozzle enters from front apron 3 in advance process pass through concave configuration 5 change airflow direction and centered by the first pump orifice 6, form eddy airstream, rubbish is quickly aspirated to the first pump orifice 6 direction, reduces rubbish and be trapped in the probability forming accumulation in suction nozzle；Second pump orifice 7 is arranged near backboard 4 and deviates the centrage of suction nozzle, the air-flow entered causes air-flow to arrive the speed of the second pump orifice 7 and intensity is inconsistent through the bounce-back of both sides coaming plate 2, can farthest cater to the multidirectional dense rare distribution of rubbish, more high to ensure the local absorption affinity granulated garbage concentration is more high, spatial match by suction inlet decentered distribution form Yu the multi-direction regularity of distribution of rubbish, it is formed with strong adsorption effect targetedly, it is ensured that high efficiency strong adsorption ability；Second pump orifice 7 is on the first pump orifice 6 on the excircle of the eddy airstream of formation, form the auxiliary suction inlet of the first pump orifice 6, and air-flow rebounds through backboard 4 and forms eddy airstream centered by the second pump orifice 7, the first same pump orifice 6 becomes the auxiliary suction inlet of the second pump orifice 7, it is ensured that the high efficiency strong adsorption ability of double suction mouth.As depicted in figs. 1 and 2, first pump orifice 6 stretches out formation the first suction inlet pipe 13 along the upper surface of top board 1, second pump orifice 7 stretches out formation the second suction inlet pipe 14 along the upper surface of top board 1, and the first suction inlet pipe 13 and the second suction inlet pipe 14 are gathered together and pass through in the refuse bin that total suction inlet pipe 15 stretches to sweeper.The refuse bin of the rubbish guiding sweeper that suction nozzle is aspirated from road surface by total suction inlet pipe 15 by air exhauster.Preferably, front apron 3, coaming plate 2, at least two in backboard 4 is respectively equipped with to disc type vacuum chamber sunken inside and for changing the concave configuration 5 that the internal charge air flow of disc type vacuum chamber flows to.Thus realizing multiple orientation, charge air flow direction is changed, thus the three-dimensional air-flow formed in disc type vacuum chamber, it is aided with the suction force of the first pump orifice 6 and the second pump orifice 7, forms the eddy airstream centered by the first pump orifice 6 or the second pump orifice 7, form the suction system of double suction mouth.Preferably, front apron 3, coaming plate 2, backboard 4 three is all provided with oriented disc type vacuum chamber sunken inside and for changing the concave configuration 5 that the internal charge air flow of disc type vacuum chamber flows to.Charge air flow direction is reflected thus realizing surrounding simultaneously, thus the three-dimensional air-flow formed in disc type vacuum chamber, it is aided with the suction force of the first pump orifice 6 and the second pump orifice 7, forms the eddy airstream centered by the first pump orifice 6 or the second pump orifice 7, form the suction system of double suction mouth.
As depicted in figs. 1 and 2, in the present embodiment, coaming plate 2 is provided with concave configuration 5, and the concave configuration 5 on coaming plate 2 includes the second depressed part 502 that coaming plate 2 wall body is formed to the second pump orifice 7 direction depression to the first depressed part 501 and coaming plate 2 wall body of the first pump orifice 6 direction depression formation.Form the past interflection of regional gas stream between the first pump orifice 6 and the second pump orifice 7, form the effect of rolling, strengthen the rubbish holdup time between the first pump orifice 6 and the second pump orifice 7, extend the relative adsorption time, greatly promote the adsorption efficiency of rubbish.The coaming plate 2 position between the first depressed part 501 and the second depressed part 502 adopts arc.Showing as intracavity depression between depression in disc type vacuum chamber, the angular transformation yardstick that airflow direction changes is big, forms the diffuse-reflectance effect of arc core position scattering to arc.The coaming plate 2 position between the first depressed part 501 and front apron 3 and the position between the second depressed part 502 and backboard 4 adopt flat board.Forming smooth air-flow reflecting effect, the change of scale of air-flow is little, forms unified direction cyclonic air flow.
As in figure 2 it is shown, in the present embodiment, the first depressed part 501 forms the first spur 8 arranged towards the first pump orifice 6 in disc type vacuum chamber, and the first spur 8 is set to the first arcwall face 10 towards the side of front apron 3.Air-flow forms the diffuse-reflectance air-flow of arc core position scattering to the first arcwall face 10 at spur position, the first pump orifice 6 form eddy airstream so that air-flow quickly leads.Second depressed part 502 forms the second spur 9 arranged towards the second pump orifice 7 in disc type vacuum chamber, and the second spur 9 is set to the second arcwall face 11 towards the one side of backboard 4.Air-flow forms the diffuse-reflectance air-flow of arc core position scattering to the second arcwall face 11 at spur position, the second pump orifice 7 form eddy airstream so that air-flow quickly leads.
As depicted in figs. 1 and 2, in the present embodiment, the coaming plate 2 of suction nozzle both wings is arranged symmetrically with along suction nozzle along the centrage of road surface for clearance direction of propulsion.The first depressed part 501 and the second depressed part 502 on two flank coaming plates 2 form double; two throats flank, formed to the air-flow rolling between the first pump orifice 6 and the second pump orifice 7, the strengthening rubbish retention effect in suction inlet region, extends the relative adsorption time, the adsorption efficiency of significant increase rubbish.
As depicted in figs. 1 and 2, in the present embodiment, front apron 3 is provided with concave configuration 5, and the concave configuration 5 on front apron 3 adopts to disc type vacuum chamber sunken inside and forms, for enclosing at front apron 3 and coaming plate 2 in the region of formation, the U-shaped front wing taking out volume turbulent flow, and U-shaped front wing is located at the middle part of front apron 3.Volume turbulence effects is taken out in the front wing area formation that U-shaped front wing encloses formation at front apron 3 and coaming plate 2, making rubbish and air-flow be sufficiently mixed, reaching the distributing homogeneity of the heterogeneous air-flow of rubbish, thus ensureing that rubbish is by the first preposition high efficiency absorption of pump orifice 6.
As depicted in figs. 1 and 2, in the present embodiment, backboard 4 is provided with concave configuration 5, concave configuration 5 on backboard 4 adopts to disc type vacuum chamber sunken inside and for enclosing the arc concave shape rear wing forming reverse impact eddy current in the region of formation at backboard 4 and coaming plate 2, arc concave shape rear wing is located at the middle part of backboard 4, and the backboard 4 position between arc concave shape rear wing and coaming plate 2 is set to arc.After the arc concave shape rear wing of concave shaped makes backboard 4 and coaming plate 2 enclose formation, effect is rushed in wing area formation resistance, produce secondary direction and impact eddy current, the granulated garbage attempting to escape can be mixed volume again to impact to the suction inlet region between the first pump orifice 6 and the second pump orifice 7, form multiple absorption, form the leakage of rubbish to prevent granulated garbage from escaping from afterbody.
As depicted in figs. 1 and 2, in the present embodiment, the U-shaped front wing of front apron 3 is positioned opposite with the arc concave shape rear wing of backboard 4.The combinative structure of resistance after taking out before formation, is effectively improved the pumping efficiency of rubbish, lowers the probability that rubbish is escaped.
Preferably, it is provided with U-shaped front wing at front apron 3, backboard 4 is provided with arc concave shape rear wing, the coaming plate 2 of both wings position is provided with dual recess structure positioned opposite, form surrounding and change the disc type vacuum chamber of airflow direction simultaneously, and the change direction of air-flow is all towards the first pump orifice 6 or the second pump orifice 7 direction, thus forming the comprehensive suction system being cyclone center of bleeding with the first pump orifice 6 or the second pump orifice 7 respectively on the first pump orifice 6 and the second pump orifice 7, mutually serve as auxiliary suction mouth between first pump orifice 6 and the second pump orifice 7 simultaneously, with fully, adsorb ground refuse rapidly.Owing to the second pump orifice 7 is in eccentric position, the air-flow through four peripheral wall surfaces changes enters in the second pump orifice 7 exists time difference, thus forming the space sinuous flow centered by the second pump orifice 7 so that suction force is bigger, it is possible to fully adsorb ground refuse.
As depicted in figs. 1 and 2, in the present embodiment, at least one in front apron 3, backboard 4, coaming plate 2 is set to be the step-like configuration 12 to disc type vacuum chamber contract or ramp formation from bottom to up, so that disc type vacuum chamber forms the suction cavity collected from lower open to top board 1 direction.
In the present embodiment, the inner surface of top board 1 offers volution trough, volution trough be opened on top board 1 inner surface and with vortex form wriggle arrange groove；The vortex center that volution trough is vortex form with the first pump orifice 6 and/or the second pump orifice 7.Could alter that the traffic direction of the rubbish that the air-flow impacted on top board 1 and air-flow carry, quickly lead the first pump orifice 6 and/or the second pump orifice 7 by air-flow, thus improving pumping efficiency.
The pavement cleaning vehicle of the present embodiment, including the above-mentioned suction nozzle for pavement cleaning vehicle.
During enforcement, a kind of suction nozzle for pavement cleaning vehicle is provided, compare existing suction nozzle, improved by the structure of nozzle structure, change the flow performance of suction nozzle interior flow field, facilitate the suction nozzle air-flow strong Involving velocity to sand and dust, rubbish, thus improve cleaning speed and the road surface cleaning rate of road cleaning equipment.
Suction nozzle includes following structure: top board 1, coaming plate 2, front apron 3 with U-shaped front wing, backboard the 4, first pump orifice the 6, second pump orifice 7 with arc concave shape rear wing, total suction inlet pipe 15.When sweeper is advanced forward, due to the swabbing action of blower fan, in suction nozzle, define certain high negative pressure so that suction nozzle ambient air is inhaled inside ten entrance suction nozzles with sand and dust and rubbish.When suction road surface sand and dust, rubbish, the circulating area that air and sand and dust and rubbish first pass through top board 1, coaming plate 2, front apron 3 surround, the sand and dust rubbish that first pump orifice 6 and the second pump orifice 7 are inhaled ten under the effect of road sweeper fan is pooled to total suction inlet pipe 15, then sucks again through total suction inlet pipe 15 in the refuse bin of sweeper.
After sweeper gets up with high-speed motion, suction nozzle to same place sand and dust, rubbish action time with the increase minimizing in proportion of running speed, with existing suction nozzle to sand and dust, waste layer from sand and dust, waste layer surface layer-by-layer absorption effect the difference is that, characteristic and rule that the present invention flows according to gas adopt double suction mouth and by suction inlet position reasonable layout, simultaneously coaming plate 2, front apron 3, backboard 4 structure combine and make gas produce swirling flow, thus realizing entrainmenting effect.Suction nozzle enhance to sand and dust, rubbish entrainment effect, have just as the air-flow of tornado and huge take husky ability, thick sand and dust, rubbish, dust layer are kicked up from the bottom, moves in suction inlet with the extremely short time and sucked by suction pipe.
Suction nozzle of the present invention adopts durable wear-resistant and has the front apron 3 of excellent toughness in front.Front apron 3 has following several benefit: reduce the ground clearance of lower section air inlet during suction nozzle work, front apron 3 ground clearance controls at 4mm-8mm, thus increasing air velocity, make to peel off sand and dust, waste layer surface, and sand and dust, waste layer bottom can be penetrated into, sand and dust, waste layer are kicked up.Front apron 3 adopts the U-shaped front wing being located at middle part, change the direction being entered suction nozzle by air-flow, match with the region being in coaming plate 2 contraction section, air-flow is divided into multi beam from suction nozzle surrounding and moves in suction nozzle, facilitate suction nozzle to sand and dust, rubbish entrainment effect, air-flow is to sand and dust, the effect of rubbish multi-angle, form huge whirlpool, just as tornado by thick sand and dust, waste layer sand and dust, rubbish moves up from the bottom, enter the sand and dust of each suction inlet, the each self-interaction of rubbish air-flow, make sand and dust, rubbish and sand and dust, rubbish obtains and is sufficiently mixed, enhance sand and dust, the air-flow followability of rubbish, major part sand and dust, rubbish, sand and dust, rubbish is drawn in the first pump orifice 6 and the second pump orifice 7 smoothly.
Suction nozzle of the present invention arranges double suction mouth, and the first pump orifice 6 is arranged in the midline position of suction nozzle front end, and the second pump orifice 7 is arranged in rear end the position being in deviation suction nozzle center line.The first preposition pump orifice 6 and the setting of the second rearmounted pump orifice 7 make to be respectively formed in nozzle body ante-chamber and back cavity more uniform negative pressure, suction operation independent of one another the effect of intersecting so that suction nozzle has only to relatively low wind speed of raising into and sand and dust, rubbish, sand and dust, waste layer can all be risen and move up.The setting of the second pump orifice 7 extend suction nozzle to sand and dust and rubbish, sand and dust, rubbish adsorption time, enough suctions being beneficial to sand and dust and waste layer stronger action time are picked up, the adsorbed clean sand and dust of the first pump orifice 6, rubbish is obtained by the second pump orifice 7 by the rebound effect of backboard 4 and carries out mending the effect inhaled.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. the suction nozzle for pavement cleaning vehicle, including being located at the top board (1) on top, being located at the coaming plate (2) of both sides flank, be located between the flank of both sides and for the front apron (3) advanced to direction, road surface for clearance and the backboard (4) be located between the flank of both sides and run off for the pavement garbage of entry deterrence suction nozzle
Described top board (1), described coaming plate (2), described front apron (3) and described backboard (4) four enclose and form the tray type structure uncovered with bottom, and described tray type structure is internally formed disc type vacuum chamber,
It is characterized in that,
At least one in described front apron (3), described coaming plate (2), described backboard (4) is provided with to described disc type vacuum chamber sunken inside and for changing the concave configuration (5) that the internal charge air flow of described disc type vacuum chamber flows to；
Described top board (1) is provided with for from described disc type vacuum chamber to sweeper refuse bin suction the first pump orifice (6) and for from described disc type vacuum chamber to sweeper refuse bin suction the second pump orifice (7),
The center of described first pump orifice (6) is in suction nozzle along the centrage of road surface for clearance direction of propulsion and near described front apron (3) laying to the orthographic projection of bottom,
The center of described second pump orifice (7) deviates from suction nozzle along the centrage of road surface for clearance direction of propulsion and near described backboard (4) laying to the orthographic projection of bottom；Described second pump orifice (7) is on the excircle of the upper eddy airstream formed of described first pump orifice (6), form the auxiliary suction inlet of described first pump orifice (6), air-flow is through described backboard (4) bounce-back and forms eddy airstream centered by described second pump orifice (7), same described first pump orifice (6) becomes the auxiliary suction inlet of described second pump orifice (7), to ensure the high efficiency strong adsorption ability of double suction mouth；
The inner surface of described top board (1) offers volution trough, described volution trough be opened on described top board (1) inner surface and with vortex form wriggle arrange groove；
Described volution trough is with described first pump orifice (6) and/or described second pump orifice (7) for vortex center.
2. the suction nozzle for pavement cleaning vehicle according to claim 1, it is characterised in that
Described coaming plate (2) is provided with described concave configuration (5), and the described concave configuration (5) on described coaming plate (2) includes the second depressed part (502) that described coaming plate (2) wall body is formed to described second pump orifice (7) direction depression to the first depressed part (501) and described coaming plate (2) wall body of the depression formation of described first pump orifice (6) direction；
The described coaming plate (2) position between described first depressed part (501) and described second depressed part (502) adopts arc,
The described coaming plate (2) position between described first depressed part (501) and described front apron (3) and the position between described second depressed part (502) and described backboard (4) adopt flat board.
3. the suction nozzle for pavement cleaning vehicle according to claim 2, it is characterised in that
Described first depressed part (501) forms the first spur (8) arranged towards described first pump orifice (6) in disc type vacuum chamber,
Described first spur (8) is set to the first arcwall face (10) towards the side of described front apron (3)；And/or
Described second depressed part (502) forms the second spur (9) arranged towards described second pump orifice (7) in disc type vacuum chamber,
Described second spur (9) is set to the second arcwall face (11) towards the one side of described backboard (4).
4. the suction nozzle for pavement cleaning vehicle according to claim 2, it is characterised in that described coaming plate (2) is arranged symmetrically with along described suction nozzle along the centrage of road surface for clearance direction of propulsion.
5. the suction nozzle for pavement cleaning vehicle according to claim 4, it is characterised in that
Described front apron (3) is provided with described concave configuration (5), described concave configuration (5) on described front apron (3) adopts to described disc type vacuum chamber sunken inside and is used for enclosing at described front apron (3) and described coaming plate (2) forming the U-shaped front wing taking out volume turbulent flow in the region of formation
Described U-shaped front wing is located at the middle part of described front apron (3).
6. the suction nozzle for pavement cleaning vehicle according to claim 5, it is characterised in that
Described backboard (4) is provided with described concave configuration (5), described concave configuration (5) on described backboard (4) adopts to described disc type vacuum chamber sunken inside the arc concave shape rear wing of formation reverse impact eddy current in enclose the region of formation for baffle plate (4) in the rear and described coaming plate (2)
Described arc concave shape rear wing is located at the middle part of described backboard (4),
The described backboard (4) position between described arc concave shape rear wing and described coaming plate (2) is set to arc.
7. the suction nozzle for pavement cleaning vehicle according to claim 6, it is characterised in that the described U-shaped front wing of described front apron (3) is positioned opposite with the described arc concave shape rear wing of described backboard (4).
8. the suction nozzle for pavement cleaning vehicle according to any one of claim 1 to 7, it is characterized in that, at least one in described front apron (3), described backboard (4), described coaming plate (2) is set to be the step-like configuration (12) to described disc type vacuum chamber contract or ramp formation from bottom to up, so that described disc type vacuum chamber forms the suction cavity collected from lower open to described top board (1) direction.
9. a pavement cleaning vehicle, it is characterised in that include the suction nozzle for pavement cleaning vehicle according to any one of claim 1 to 8.
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| CN201410427138.XA CN104195975B (en) | 2014-08-27 | 2014-08-27 | Suction nozzle and pavement cleaning vehicle for pavement cleaning vehicle |
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| CN201410427138.XA CN104195975B (en) | 2014-08-27 | 2014-08-27 | Suction nozzle and pavement cleaning vehicle for pavement cleaning vehicle |
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| CN104195975B true CN104195975B (en) | 2016-07-06 |
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| CN112665521B (en) * | 2021-03-17 | 2021-05-25 | 山东平安工程质量检测有限公司 | Real-time detection device for bridge concrete structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29914329U1 (en) * | 1999-08-16 | 2000-12-28 | Faun Viatec Gmbh | Suction nozzle |
| DE60124652T2 (en) * | 2000-10-13 | 2007-09-13 | Mathieu Yno | Device for extracting residual water on paved or concrete surfaces |
| JP2010031538A (en) * | 2008-07-29 | 2010-02-12 | Howa Mach Ltd | Dust collection apparatus of road sweeper |
| CN102776854B (en) * | 2012-07-31 | 2014-07-30 | 中联重科股份有限公司 | Cleaning nozzle and cleaning trolley |
| CN203583417U (en) * | 2013-11-28 | 2014-05-07 | 长沙中联重科环卫机械有限公司 | Suction nozzle and road cleaning vehicle |
| CN103628440B (en) * | 2013-12-11 | 2016-09-14 | 南京晨光森田环保科技有限公司 | A kind of suction inlet offset rubbish sucker and be provided with the sweeping machine of this sucker |
| CN204059257U (en) * | 2014-08-27 | 2014-12-31 | 长沙中粮机械有限公司 | For suction nozzle and the pavement cleaning vehicle of pavement cleaning vehicle |
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2014
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| CN104195975A (en) | 2014-12-10 |
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Effective date of registration: 20220324 Address after: 410100 Room 201, No. 39, East 10th line, Changsha area, China (Hunan) pilot Free Trade Zone, Changsha City, Hunan Province Patentee after: Changsha Fenfei environmental sanitation equipment Co.,Ltd. Address before: 410600 Chezhan Road, Ningxiang Economic Development Zone, Changsha City, Hunan Province Patentee before: CHANGSHA ZHONGLIANG MACHINE Co.,Ltd. |
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