CN103410112A - Cleaning suction nozzle and cleaning vehicle - Google Patents
Cleaning suction nozzle and cleaning vehicle Download PDFInfo
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- CN103410112A CN103410112A CN201310351036XA CN201310351036A CN103410112A CN 103410112 A CN103410112 A CN 103410112A CN 201310351036X A CN201310351036X A CN 201310351036XA CN 201310351036 A CN201310351036 A CN 201310351036A CN 103410112 A CN103410112 A CN 103410112A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 17
- 238000011176 pooling Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 9
- 238000010408 sweeping Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 230000001680 brushing effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 241001397306 Proales Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention discloses a cleaning suction nozzle and a cleaning vehicle where the cleaning suction nozzle is applied. The suction nozzle comprises a suction nozzle main body which can move along a to-be-cleaned object, the suction nozzle main body is provided with an air inlet, a gas collecting area surrounding the air inlet is formed on the lower side of the suction nozzle main body, gas around the suction nozzle main body can enter the gas collecting area and enter the air inlet, the front end of the gas collecting area is provided with an opening for gas mixed with rubbish to pass, and a gap area which is open downwards only is arranged at the rear end of the gas collecting area. Accordingly, large roller-shaped vortexes can be formed in the gap area; when rubbish particles which are not adsorbed and are overlarge in horizontal momentum move to the rear end of the suction nozzle main body to escape out of the suction nozzle main body, the strong roller-shaped air flow can have sweeping-back effect on the rubbish particles, the rubbish particles are swept back into the suction nozzle main body and sucked into the air inlet, the suction rate of the suction nozzle is improved, and road surface cleaning capacity of the cleaning vehicle is improved.
Description
Technical field
The present invention relates to utilize the cleaning applications of negative pressure of vacuum suction rubbish, particularly, relate to the cleaning cart of a kind of Clean-suction nozzle and this suction nozzle of use.
Background technology
In the field of using negative pressure of vacuum suction rubbish, Clean-suction nozzle plays the important function of rubbish suction, and under the effect of negative pressure of vacuum, the gas that is mingled with rubbish can enter by this suction nozzle the rubbish storage area of appointment.For example in the cleaning cart field, particularly in sweeping machine, under the swabbing action of blower fan, rubbish can enter in the dustbin of sweeping machine with air by this suction nozzle, thereby plays the purpose of road cleaning.Therefore, the design form of suction nozzle also directly has influence on itself cleaning capacity to the cleaning cart road pavement of the aspiration rates of rubbish and use suction nozzle.
At present, in the cleaning carts such as sweeping machine of the Clean-suction nozzle of configuration, because cleaning cart itself all has the clean rate upper limit of fixing pavement garbage, when pavement garbage amount and waste layer thickness surpass the existing cleaning capacity of sweeping machine, some solid refuse be inhaled into is large because of horizontal momentum, have little time to be inhaled in suction pipe the suction nozzle of just having escaped out from the suction nozzle rear portion, make that on the road surface after cleaning operation, to have rubbish residual, thereby cause cleaning effect not good.And the means that increase the suction source power such as blower fan not only waste energy, but also can cause the impact to associated components, affect its application life.Therefore, under the prerequisite that does not improve original fan delivery or other performance of cleaning cart, realize that by this body structure that changes Clean-suction nozzle the lifting of the cleaning capacity of the aspiration rates of rubbish and road pavement is had to positive effect.
Summary of the invention
An object of the present invention is to provide a kind of Clean-suction nozzle, this Clean-nozzle structure is reasonable, and can effectively solve the problem that rubbish is escaped from the suction nozzle rear end, to improve the aspiration rates of rubbish.
Another object of the present invention is to provide a kind of cleaning cart, and this cleaning cart is used Clean-suction nozzle provided by the invention, to improve the road surface cleaning capacity.
To achieve these goals, the invention provides a kind of Clean-suction nozzle, comprise the suction nozzle main body that can move along object to be cleaned, on this suction nozzle main body, be provided with air inlet port, wherein, the downside of described suction nozzle main body is formed with the gas collection district around this air inlet port, gas around described suction nozzle main body can enter this gas collection district and enter air inlet port from surrounding, the front end in this gas collection district has the opening passed through for the gas that is mingled with rubbish, and the rear end in described gas collection district only is provided with the interstice coverage under shed.
Preferably, described interstice coverage is the arc chambers that is looped around described air inlet port rear, the front side of this arc chambers is by the header board sealing that forms arc, and rear side is sealed by rear plate, and is connected with the side plate that is positioned at described arc chambers both sides between institute's header board and described rear plate.
Preferably, described rear plate has segmental arc and is positioned at the straightway of these segmental arc both sides, this segmental arc is concentric with described header board, described straightway and described segmental arc are tangent, and described arc chambers comprises along interlude and side section, described side section is two and is symmetrically located at the circumferential both sides of this interlude, and the radial width of described interlude is less than the radial width of described two side sections.
Preferably, described air inlet port is that circle and diameter are D, the height of described arc chambers is h, the radial width of described interlude is b, the thickness of described header board is that h1, central angle are that θ 1 and radius are r, the central angle of the described segmental arc of described rear plate is that θ 2 and radius are R, and described suction nozzle meets following relational expression:
Wherein, λ 1, λ 2 and χ are scale factor, and meet 0.6≤λ
1≤ 0.7,0.8≤λ
2≤ 1, and 8000≤χ≤14000, and meet 2mm≤h
1≤ 4mm, 150 °≤θ
1≤ 180 ° and 60 °≤θ
2≤ 90 °.
Preferably, the angle that the center line extended along fore-and-aft direction of described straightway and described suction nozzle main body is is β, wherein 30 °≤β≤50 °.
Preferably, described gas pooling zone is surrounded by dividing plate, this dividing plate is fixed on the downside of described suction nozzle main body, and the lower end of described dividing plate is connected with Height Adjustable adjusting pressing plate, this regulates pressing plate from described dividing plate to downward-extension, the rear end of described dividing plate is formed with installation gap, and described arc chambers is contained in this installation gap, and the described rear plate part that is described adjusting pressing plate.
Preferably, described rear plate forms the arc concentric with described header board, and the radial width of described arc chambers is consistent.
Preferably, described air inlet port is that circle and diameter are D, and the height of described arc chambers is h, the radial width of described arc chambers is b, the thickness of described header board is that h1, central angle are that θ and radius are r, and the central angle of described rear plate is that θ and radius are R, and described suction nozzle meets following relational expression:
Wherein, λ 1, λ 2 and χ are scale factor, and meet 0.6≤λ
1≤ 0.75,0.9≤λ
2≤ 1.2 and 9000≤χ≤12000, and meet 2mm≤h
1≤ 4mm and 50 °≤θ≤60 °.
Preferably, described gas pooling zone is surrounded by dividing plate, this dividing plate is fixed on the downside of described suction nozzle main body, and the lower end of described dividing plate is connected with Height Adjustable adjusting pressing plate, this regulates pressing plate from described dividing plate to downward-extension, the rear end of described dividing plate and described adjusting pressing plate is formed with installation gap, and described arc chambers is contained in this installation gap.
According to a further aspect in the invention, provide a kind of cleaning cart, cleaning cart comprises dustbin and rubbish is drawn into to the suction nozzle in this dustbin, and wherein, described suction nozzle is Clean-suction nozzle provided by the invention, and described air inlet port is connected with described dustbin.
Pass through technique scheme, in suction nozzle provided by the invention, because the downside at suction nozzle main body is formed with the gas collection district, the gas that enters this gas collection district from surrounding can form the gas whirlpool, thereby increase the suction capactity of air inlet port to gas, and because the rear end in gas collection district is provided with the interstice coverage under shed, from rear, entering the air-flow in gas collection district can converge at the lower opening of this interstice coverage except the air-flow entered with the opening from the place ahead, and acting in conjunction, influence each other, thereby can in this interstice coverage, form the whirlpool of larger roller shape, the rotating direction of this whirlpool is that to clockwise rotate be forwards to roll in Shi Cong rear, its underpart, therefore, by powerful roller shape air-flow, can be similar to a sideway swivel rolling and brushing mechanism in the suction nozzle main body of suction nozzle main body lateral is set in the suction nozzle main body rear end, when the excessive rubbish Particles Moving of horizontal momentum is escaped out suction nozzle main body to suction nozzle main body rear end wish when not being adsorbed totally, roller shape air-flow produces the flyback effect to the rubbish particle, be that the rubbish particle is swept in resorption mouth main body, then be sucked in gas port, thereby improved the aspiration rates of suction nozzle provided by the invention, improve further the road surface cleaning capacity of cleaning cart.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
The accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms the part of manual, with the following specific embodiment one, is used from explanation the present invention, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the top perspective structural representation of the suction nozzle that provides of first embodiment of the invention;
Fig. 2 is the perspective view of looking up of the suction nozzle that provides of first embodiment of the invention;
Fig. 3 is the side-looking sectional structure schematic diagram of the suction nozzle that provides of first embodiment of the invention;
Fig. 4 is the structural representation of looking up of the interstice coverage that provides of first embodiment of the invention;
Fig. 5 is the top perspective structural representation of the suction nozzle that provides of second embodiment of the invention;
Fig. 6 is the perspective view of looking up of the suction nozzle that provides of second embodiment of the invention;
Fig. 7 is the side-looking sectional structure schematic diagram of the suction nozzle that provides of second embodiment of the invention;
Fig. 8 is the structural representation of looking up of the interstice coverage that provides of second embodiment of the invention.
Description of reference numerals
1 suction nozzle main body 2 air inlet ports
3 gas collection district 4 interstice coverages
5 dividing plates 8 are regulated pressing plate
11 top board 12 side plates
31 opening 32 flexible baffles
41 interlude 42 side sections
The rear plate of 51 header board 52
53 side plate 61 segmental arcs
62 straightways
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that do not do opposite explanation, the noun of locality used is as usually undefined in the normal situation about using of suction nozzle provided by the invention as " upper and lower ", moving direction definition when " forward and backward " normally used with suction nozzle, " left and right " is the width of cleaning cart perpendicular to fore-and-aft direction, for example, in Fig. 3 and Fig. 7, left side is " front ", right side is " afterwards ", and paper is outward " left side ", is " right side " in paper.These nouns of locality, only be used to the present invention is described, are not limited to the present invention.
In optimal way of the present invention, Clean-suction nozzle provided by the invention is for cleaning cart, such as sweeping machine, sweeper etc. for the clean vehicle in road surface.Wherein, suction nozzle be arranged on the vehicle body downside and with vehicle body in the proal while, the negative pressure of vacuum suction by the blower fan manufacture is mingled with the gas of rubbish, and finally makes rubbish enter in dustbin.Particularly, as Fig. 1 to Fig. 3, Fig. 5 is to shown in Figure 7, Clean-suction nozzle provided by the invention comprises and can, along the mobile suction nozzle main body 1 of object to be cleaned (road surface), on this suction nozzle main body 1, be provided with air inlet port 2, more specifically, suction nozzle main body 1 can comprise top board 11 and be positioned at the side plate 12 of these top board 11 both sides, to form the structure of downward opening, wherein air inlet port 2 is formed on top board 11, and is communicated with dustbin by pipeline.And the roller moved for suction nozzle main body 1 can be installed all on each side plate 12, so that suction nozzle main body 1 is moved forward with sweeping machine, with realization, the rubbish on road surface is drawn in dustbin and carries out sedimentation or filtration treatment, thereby realize the purpose that road surface is clean.
And in the present invention, the downside of suction nozzle main body 1 is open, and be formed with the gas collection district 3 around this air inlet port 2, and the front end in this gas collection district 3 has the opening 31 passed through for the gas that is mingled with rubbish, and the gas around suction nozzle can enter this gas collection district 3 and enter air inlet port 2 from surrounding.Therefore, the gas that enters gas collection district 3 from surrounding can form the gas whirlpool after collecting, only compare the existing air suction mode from forward air inlet, the formation of this gas whirlpool can increase the negative pressure at air inlet port 2 places, thereby can further increase the suction capactity to the gas that is mingled with rubbish, because suction nozzle forwards moves usually, the rubbish that therefore is arranged in suction nozzle the place ahead can enter smoothly gas collection district 3 and finally by air inlet port 2, enter dustbin by opening 31 again.
Further, in the preferred embodiment of the present invention, to shown in Figure 7, gas collection district 3 can be surrounded by dividing plate 5 at least in part as Fig. 1 to Fig. 3, Fig. 5, and this dividing plate 5 is fixed on the downside of suction nozzle main body 1.This dividing plate 5 can be structure as a whole and also can be Split type structure, and the backward section that it comprises the side direction section that is positioned at both sides and is positioned at suction nozzle main body 1 rear end, to surround the gas collection district 3 with opening 31.Wherein in the lower end of dividing plate 5, also can be connected with Height Adjustable adjusting pressing plate 8, this regulates pressing plate 8 from dividing plate 5 to downward-extension, can regulate the gap of suction nozzle main body 1 apart from ground, wherein regulating pressing plate 8 can be connected to along in the different fastener holes of a plurality of fastener holes of arranging up and down by dismountable securing member, can realize the adjusting of different terrain clearances, make suction nozzle can adapt to the clean of various road surfaces.
Get back in the technical problem to be solved in the present invention, in order to realize purpose of the present invention, in Clean-suction nozzle provided by the invention, the rear end in gas collection district 3 only is provided with the interstice coverage 4 under shed, the i.e. front side of this interstice coverage 4, rear side, left side, right side and upside all seal, therefore, the air-flow that enters gas collection district 3 from rear can converge at the lower opening of this interstice coverage 4 with the air-flow entered from front openings 31, and acting in conjunction, influence each other, with can be in the vortical flow of the larger roller shape of the interior formation of this interstice coverage 4, the rotating direction of this vortical flow is that the vortical flow of interstice coverage 4 bottoms is forwards rolled from rear for clockwise rotating in Fig. 4 and Fig. 8, therefore, by powerful roller shape air-flow, can be similar to a rolling and brushing mechanism from the 1 lateral suction nozzle main body 1 interior sideway swivel of suction nozzle main body is set in suction nozzle main body 1 rear end, when the excessive rubbish Particles Moving of horizontal momentum is escaped out suction nozzle main body 1 to suction nozzle main body 1 rear end wish when not being adsorbed totally, roller shape air-flow produces the flyback effect to the rubbish particle, be that the rubbish particle is swept in resorption mouth main body 1, then be inhaled in air inlet port 2, thereby improved the aspiration rates of suction nozzle provided by the invention, improve further the road surface cleaning capacity of cleaning cart.
It should be noted that, can realize that the embodiment of above-mentioned technical conceive has multiple.The for example concrete structure of interstice coverage, position etc., the present invention for convenience of description, in this introduction two kinds of preferred embodiments wherein, these two kinds of preferred embodiments, only be used to the present invention is described, are not limited to the present invention.
As shown in Figure 4 and Figure 8, interstice coverage 4 in the preferred embodiment for the present invention is for being looped around the arc chambers at air inlet port 2 rears, therefore can not affect the normal suction operation of air inlet port 2, wherein the front side of this arc chambers is by header board 51 sealings that form arc, rear side is by rear plate 52 sealings, and between described header board 51 and rear plate 52, be provided with the side plate 53 that is positioned at the arc chambers both sides, and the top of this arc chambers can be by top board 11 sealings of suction nozzle main body 1, therefore by header board 51, rear plate 52, two side plates 53 and top board 11 surround provided by the invention open interstice coverage 4 downwards.Wherein each plate can be for being connected to the individual components of integrative-structure, also can rely on this body structure of suction nozzle main body 1 to realize, for example, in the first embodiment provided by the invention, rear plate 52 is formed by the structural adjusting pressing plate 8 of suction nozzle itself, and in the second embodiment, 52 of rear plates are a plate in individual components.In addition; side plate 53 can be formed by individual components or the edge by the dividing plate 5 in this body structure of suction nozzle too; mode of texturing for other form of structure of the embodiment of these distortion and interstice coverage 4; as long as can realize the object of the invention, all should drop in protection scope of the present invention.Below introduce in detail structure and the generation type of two kinds of interstice coverages 4 in preferred embodiment.
As shown in Figures 1 to 4, in the first embodiment provided by the invention, the rear end of dividing plate 5 is formed with installation gap, arc chambers is contained in this installation gap, and rear plate 52, for regulating the part of pressing plate 8, namely only needs the processing installation gap, and header board 51 and side plate 53 is arranged in installation gap in installation, make the top of interstice coverage 4 by top board 11 sealings, rear portion has the partially enclosed of pressing plate 8 of adjusting to get final product.In addition, the part of side plate 53 can form by the edge of dividing plate 5, all should drop in protection scope of the present invention for this type of distortion.Now in order to adapt to less installing space, can use a kind of preferred arc chambers, particularly, rear plate 52 as a part of regulating pressing plate 8 has segmental arc 61 and the straightway 62 that is positioned at these segmental arc 61 both sides, this segmental arc 61 is concentric with the arcuate structure of header board 51, straightway 62 is tangent with segmental arc 61, therefore make the arc chambers that forms interstice coverage 4 comprise along interlude 41 and the side section 42 of the circumferential arrangement of arcuate structure, side section 42 is two and is symmetrically located at the circumferential both sides of this interlude 41, namely two straightways 62 are distinguished oblique front extension symmetrically, and the radial width of interlude 41 is less than the radial width of two side sections 42, wherein the radial width of side section 42 is to become gradually large.
Wherein particularly, as shown in Figure 3 and Figure 4, air inlet port 2 is that circle and diameter are D, the height of arc chambers is h, and the radial width of interlude 41 is b, and the thickness of header board 51 is that h1, central angle are that θ 1 and radius are r, the central angle of the segmental arc 61 of rear plate 52 is that θ 2 and radius are R, therefore in order in interstice coverage 4, to obtain desirable roller shape air-flow, preferably, suction nozzle provided by the invention can meet following relational expression:
Wherein, λ 1, λ 2 and χ are scale factor, can obtain by Hydrodynamics Theory analysis, CFD numerical simulation and experiment: 0.6≤λ
1≤ 0.7,0.8≤λ
2≤ 1 and 8000≤χ≤14000, and 2mm≤h
1≤ 4mm, 150 °≤θ
1≤ 180 ° and 60 °≤θ
2≤ 90 °.The value of h1 wherein can determine according to the specification of suction nozzle, and preferably, straightway 62 is β with the acutance that the center line that suction nozzle main body 1 extends along fore-and-aft direction is, 30 °≤β≤50 ° wherein, so that the rolling and brushing shape air-flow effect in interstice coverage 4 is best, can make the Clean-suction nozzle that first embodiment of the invention provides can realize tackling well the granulated garbage of escaping from rear end.
Different from the first embodiment is, to shown in Figure 8, dividing plate 5 and the rear end of regulating pressing plate 8 all are formed with installation gap as Fig. 5, and the arc chambers that forms interstice coverage 4 is contained in this installation gap.That is, interstice coverage 4 connects as one and surrounds by independent plate.In installation process, after only need at first processing installation gap, the arc chambers processed in advance is arranged in this installation gap, and makes its upper end be got final product by top board 11 sealings.Therefore, the installing space of this arc chambers is larger, now can apply another kind of preferred arc chambers, and namely as shown in Figure 8, rear plate 52 can form the arc concentric with header board 51, and the radial width of arc chambers is consistent.
Wherein particularly, air inlet port 2 is that circle and diameter are D, the height of arc chambers is h, the radial width of arc chambers is b, the thickness of header board 51 is that h1, central angle are that θ and radius are r, and the central angle of rear plate 52 is that θ and radius are R, therefore in order in interstice coverage 4, to obtain desirable roller shape air-flow, preferably, suction nozzle provided by the invention can meet following relational expression:
Wherein, λ 1, λ 2 and χ are scale factor, can obtain by Hydrodynamics Theory analysis, CFD numerical simulation and experiment: 0.6≤λ
1≤ 0.75,0.9≤λ
2≤ 1.2 and 9000≤χ≤12000, and 2mm≤h
1≤ 4mm, 50 °≤θ≤60 °.Therefore can make the Clean-suction nozzle that second embodiment of the invention provides can realize equally tackling well the granulated garbage of escaping from rear end.
Above-mentioned structure and the generation type of having introduced the interstice coverage 4 in two kinds of embodiments of the present invention, in addition, in the suction nozzle that the preferred embodiment for the present invention provides, also can be provided with flexible baffle 32 on opening 31, and it can be by such as flexible materials such as rubber, making.The upper end of this flexible baffle 32 is fixed on the front end of the top board 11 of suction nozzle main body 1.Namely be positioned at suction nozzle main body 1 foremost, wherein under off working state, this flexible baffle 32 can hang down and naturally near ground, and in working order, under the swabbing action of air inlet port 2 negative pressure of vacuum, the sidepiece of flexible baffle 32 can be close to side plate 12 backward, the opposite position of its latus inframedium 12 front ends also forms streamlined structure, thereby make when work, overall flexibility baffle plate 32 is streamlined, so that the gas in suction nozzle the place ahead can enter in the gas collection district 3 of suction nozzle main body 1 downside with the lower end of minimum resistance by flexible baffle 32, thereby complete the effect that rubbish enters air inlet port 2 of carrying secretly.In addition, this flexible baffle 32 in working order under, suction nozzle main body downside front end air environment can be isolated into to relatively independent space, thereby the suction of air inlet port 2, make the larger differential pressure gradients of generation between suction nozzle inboard and the outside, it is inboard and enter in the gas collection district that thereby the air that makes suction nozzle the place ahead can enter suction nozzle with flow velocity quickly, completes the cleaning to rubbish to carry better rubbish secretly.
Therefore, suction nozzle provided by the invention is by the feature of the gas flowfield of change 3 rear ends, gas collection district, by the rolling and brushing shape air-flow in interstice coverage 4 interior formation, can tackle better the granulated garbage in not being sucked into air inlet port 2, and it is inner and again obtain being sucked into the chance of air inlet port 2 that it is swept to resorption mouth main body 1.Therefore can promote the aspiration rates of Clean-suction nozzle provided by the invention to rubbish, thereby promote the road surface cleaning capacity of the cleaning cart that uses this suction nozzle.
When the concrete cleaning carts such as sweeping machine carry out cleaning work, at first put down suction nozzle provided by the invention and adjust it and ground between height arrive working depth after, open blower fan.When advancing, sweeping machine at first by sweeping dish, the pavement garbage cleaning is pooled to the front region of suction nozzle, to form suction nozzle adsorption operation point.Suction nozzle move to operation area above the time, under the negative pressure of vacuum effect of air inlet port 2, the interior formation low pressure in gas collection district 3, due to flexible baffle 32 being set, make gas collection district 3 poor very large with the formed inside and outside barometric gradient in air gap flow section place that ground forms, now the extraneous air-flow with around suction nozzle main body 1 in suction nozzle is entered in gas collection district 3 by suction simultaneously, subsequently under the effect of the interior formed rolling and brushing shape air-flow that can flyback of rear portion interstice coverage 4, make lightweight and heavy rubbish all can be sucked in air inlet port 2 and enter in dustbin, now heterogeneous mixed airflow speed moment reduction in dustbin, be subject to simultaneously the effect of filter, the rubbish grit settles down in dustbin, thereby complete the cleaning work of road pavement rubbish.
To sum up, the cleaning cart of suction nozzle provided by the invention and this suction nozzle of use all has higher practicality and promotional value.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each 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 present invention is to the explanation no longer separately of various possible combinations.
In addition, also can carry out any combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. Clean-suction nozzle, this suction nozzle comprises the suction nozzle main body (1) that can move along object to be cleaned, on this suction nozzle main body (1), be provided with air inlet port (2), it is characterized in that, the downside of described suction nozzle main body (1) is formed with the gas collection district (3) around this air inlet port (2), described suction nozzle main body (1) gas on every side can enter this gas collection district and enter air inlet port from surrounding, the front end in this gas collection district (3) has the opening (31) passed through for the gas that is mingled with rubbish, and the rear end in described gas collection district (3) only is provided with the interstice coverage (4) under shed.
2. Clean-suction nozzle according to claim 1, it is characterized in that, described interstice coverage (4) is for being looped around the arc chambers at described air inlet port (2) rear, the front side of this arc chambers is sealed by the header board that forms arc (51), rear side is sealed by rear plate (52), and between institute's header board (51) and described rear plate (52), is connected with the side plate (53) that is positioned at described arc chambers both sides.
3. Clean-suction nozzle according to claim 2, it is characterized in that, described rear plate (52) has segmental arc (61) and is positioned at the straightway (62) of this segmental arc (61) both sides, this segmental arc (61) is concentric with described header board (51), described straightway (62) is tangent with described segmental arc (61), and described arc chambers comprises along interlude (41) and side section (42), described side section (42) is two and is symmetrically located at the circumferential both sides of this interlude (41), the radial width of described interlude (41) is less than the radial width of described two side sections (42).
4. Clean-suction nozzle according to claim 3, it is characterized in that, described air inlet port (2) is that circle and diameter are D, the height of described arc chambers is h, the radial width of described interlude (41) is b, the thickness of described header board (51) is that h1, central angle are that θ 1 and radius are r, and the central angle of the described segmental arc (61) of described rear plate (52) is that θ 2 and radius are R, and described suction nozzle meets following relational expression:
Wherein, λ 1, λ 2 and χ are scale factor, and meet 0.6≤λ
1≤ 0.7,0.8≤λ
2≤ 1, and 8000≤χ≤14000, and meet 2mm≤h
1≤ 4mm, 150 °≤θ
1≤ 180 ° and 60 °≤θ
2≤ 90 °.
5. Clean-suction nozzle according to claim 3, is characterized in that, the oblique front extension of described straightway (62) and with the acute angle that center line that described suction nozzle main body (1) extends along fore-and-aft direction is be β, 30 °≤β≤50 ° wherein.
6. according to the described Clean-suction nozzle of any one in claim 2-5, it is characterized in that, described gas pooling zone (3) is surrounded by dividing plate (5), this dividing plate (5) is fixed on the downside of described suction nozzle main body (1), and the lower end of described dividing plate (5) is connected with Height Adjustable adjusting pressing plate (8), this regulates pressing plate (8) from described dividing plate (5) to downward-extension, the rear end of described dividing plate (5) is formed with installation gap, described arc chambers is contained in this installation gap, and described rear plate (52) is the part of described adjusting pressing plate (8).
7. Clean-suction nozzle according to claim 2, is characterized in that, described rear plate (52) forms the arc concentric with described header board (51), and the radial width of described arc chambers is consistent.
8. Clean-suction nozzle according to claim 7, it is characterized in that, described air inlet port (2) is that circle and diameter are D, the height of described arc chambers is h, the radial width of described arc chambers is b, the thickness of described header board (51) is that h1, central angle are that θ and radius are r, and the central angle of described rear plate (52) is that θ and radius are R, and described suction nozzle meets following relational expression:
Wherein, λ 1, λ 2 and χ are scale factor, and meet 0.6≤λ
1≤ 0.75,0.9≤λ
2≤ 1.2 and 9000≤χ≤12000, and meet 2mm≤h
1≤ 4mm and 50 °≤θ≤60 °.
9. according to claim 2 or 7 or 8 described Clean-suction nozzles, it is characterized in that, described gas pooling zone (3) is surrounded by dividing plate (5), this dividing plate (5) is fixed on the downside of described suction nozzle main body (1), and the lower end of described dividing plate (5) is connected with Height Adjustable adjusting pressing plate (8), this regulates pressing plate (8) from described dividing plate (5) to downward-extension, the rear end of described dividing plate (5) and described adjusting pressing plate (8) is formed with installation gap, and described arc chambers is contained in this installation gap.
10. cleaning cart, cleaning cart comprises dustbin and rubbish is drawn into to the suction nozzle in this dustbin, it is characterized in that, described suction nozzle is the described Clean-suction nozzle of any one in claim 1-9, wherein, described air inlet port (2) is connected with described dustbin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351036.XA CN103410112B (en) | 2013-08-13 | 2013-08-13 | Cleaning suction nozzle and cleaning vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351036.XA CN103410112B (en) | 2013-08-13 | 2013-08-13 | Cleaning suction nozzle and cleaning vehicle |
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| CN103410112A true CN103410112A (en) | 2013-11-27 |
| CN103410112B CN103410112B (en) | 2015-04-15 |
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| CN201310351036.XA Active CN103410112B (en) | 2013-08-13 | 2013-08-13 | Cleaning suction nozzle and cleaning vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674735A (en) * | 2013-11-28 | 2015-06-03 | 长沙中联重科环卫机械有限公司 | Suction nozzle and road cleaning vehicle |
| CN105625242A (en) * | 2014-11-07 | 2016-06-01 | 长沙中联重科环卫机械有限公司 | Cleaning suction nozzle and cleaning trolley |
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| DE3304355A1 (en) * | 1983-02-09 | 1984-08-16 | Hans 5860 Iserlohn Soldeck | MOTOR VEHICLE FOR USE IN ROAD CLEANING |
| DE3316952A1 (en) * | 1983-05-09 | 1984-11-15 | Kuka Umwelttechnik GmbH, 8900 Augsburg | Method and device for cleaning road surfaces according to the circulating-air principle |
| JP2004324186A (en) * | 2003-04-24 | 2004-11-18 | Howa Mach Ltd | Dust recovery device for air circulating type cleaning vehicle |
| CN101768934A (en) * | 2010-01-30 | 2010-07-07 | 徐国栋 | Suction nozzle with soft cavity throttling bodies inside |
| CN102767150A (en) * | 2012-07-31 | 2012-11-07 | 中联重科股份有限公司 | Suction nozzle for cleaning and cleaning trolley |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3304355A1 (en) * | 1983-02-09 | 1984-08-16 | Hans 5860 Iserlohn Soldeck | MOTOR VEHICLE FOR USE IN ROAD CLEANING |
| DE3316952A1 (en) * | 1983-05-09 | 1984-11-15 | Kuka Umwelttechnik GmbH, 8900 Augsburg | Method and device for cleaning road surfaces according to the circulating-air principle |
| JP2004324186A (en) * | 2003-04-24 | 2004-11-18 | Howa Mach Ltd | Dust recovery device for air circulating type cleaning vehicle |
| CN101768934A (en) * | 2010-01-30 | 2010-07-07 | 徐国栋 | Suction nozzle with soft cavity throttling bodies inside |
| CN102767150A (en) * | 2012-07-31 | 2012-11-07 | 中联重科股份有限公司 | Suction nozzle for cleaning and cleaning trolley |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674735A (en) * | 2013-11-28 | 2015-06-03 | 长沙中联重科环卫机械有限公司 | Suction nozzle and road cleaning vehicle |
| CN105625242A (en) * | 2014-11-07 | 2016-06-01 | 长沙中联重科环卫机械有限公司 | Cleaning suction nozzle and cleaning trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103410112B (en) | 2015-04-15 |
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Effective date of registration: 20170622 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |