Background technology
Along with the urbanization degree is further goed deep into, the requirement of major trunk roads road pavement clean-up performance is more and more higher.The metropolis is now basic adopts big-and-middle-sized sweeper that city free way and major trunk roads are become more meticulous to wash to sweep operation.But the downtown area be subjected to spatial constraints than arrow path road, community and city square, the big-and-middle-sized equipment of sweeping of washing can't enter, and brings larger difficulty for the meticulous process in this class zone, is badly in need of small-sized washing and sweeps implement and satisfy this regional needs.
At present, sweeper of the prior art generally includes vehicle frame and the casing that is arranged on vehicle frame, wherein sweeping is installed usually for the cleaning pavement garbage by vehicle frame is anterior, the suction nozzle that can move with vehicle frame is installed in the vehicle frame rear end, this suction nozzle is identical with dustbin in casing, and the rubbish that sweeping was cleaned by the negative pressure of vacuum that blower fan produces is drawn in dustbin, thereby played the road cleaning effect.Wherein in order to increase the road surface cleaning effect, in the sweeper field, also purging system can be set.This purging system can road pavement carry out spraying-rinsing, washes the effect of sweeping thereby play the road surface, has increased the road surface cleaning effect.
Now the arrangement mode of the purging system in technology is: the left and right jet pipe or the spray boom that are positioned at the sweeping rear are set, and on corresponding jet pipe or jet pipe, a plurality of high pressure nozzles are being installed, also be provided with row's high-pressure nozzle at the suction pipe rear portion of suction nozzle in addition.And realize different work patterns by opening different jet pipes, to realize the cleaning of road pavement.Particularly, can be the Chinese invention patent application of CN102312413A and CN101092809A with reference to publication number.
Yet, in the arrangement form of existing work pattern and jet pipe, because a plurality of arrangement of nozzles are arranged on jet pipe, the water yield that sweeper consumes when carrying out operation strengthens, cause user's clear water use amount quite large, even also can use big yield also to cause waste on cleaner road surface.Wherein, for big-and-middle-sized sweeper, because water tank more also can use usually, but for small-sized sweeper, due to water tank and the vehicle frame space less, if still adopt the purging system of this arrangement, to cause the cleaning duration shorter, and need constantly add the water operation, greatly affect the operating efficiency of small-sized sweeper, because vehicle frame control is less, how can the reasonable Arrangement purging system be problem demanding prompt solution in this area in addition.
Summary of the invention
The purpose of this invention is to provide a kind of small-sized sweeper, this small-sized sweeper can in the situation that the less reasonable Arrangement purging system in water tank and vehicle frame space is completed the road surface cleaning when using the less water yield, increase the operating efficiency of small-sized sweeper.
Another object of the present invention provides a kind of method of sweeping of washing of small-sized sweeper, and this washes the method for sweeping based on small-sized sweeper provided by the invention, can tackle various road conditions.
to achieve these goals, according to an aspect of the present invention, a kind of small-sized sweeper is provided, comprise vehicle frame and the casing that is arranged on this vehicle frame, the front portion of described vehicle frame is equipped with sweeping, the rear portion of described vehicle frame is equipped with the suction nozzle that is communicated with described casing, and be provided with purging system between described sweeping and described suction nozzle, wherein, described purging system comprises the first nozzle and the second nozzle that can control separately, described the first nozzle can be sprayed water towards described sweeping rear, described second nozzle can be sprayed water towards described suction nozzle the place ahead, and described the first nozzle and described second nozzle are staggering on fore-and-aft direction and/or on left and right directions mutually.
Preferably, described the first nozzle and described second nozzle are staggering on fore-and-aft direction He on left and right directions simultaneously mutually.
Preferably, described sweeping comprises along the left side sweeping that the left and right directions of described vehicle frame is arranged symmetrically with and right side sweeping, described the first nozzle comprises left side the first nozzle and right side the first nozzle that can control separately, and this left side first nozzle and right side the first nozzle are arranged on the rear of corresponding described sweeping.
Preferably, described suction nozzle is positioned at the center on described vehicle frame left and right directions, described second nozzle comprises left side second nozzle and the right side second nozzle that can control separately, this left side second nozzle and right side second nozzle symmetry are arranged on the place ahead of described suction nozzle, and the spraying range of this left side second nozzle and right side second nozzle is partly overlapping.
Preferably, the line successively of described left side the first nozzle, right side the first nozzle, right side second nozzle and left side the first nozzle consists of isosceles trapezoid, and the spacing of described left side the first nozzle and right side the first nozzle is greater than the spacing of described left side second nozzle and right side second nozzle.
Preferably, described the first nozzle and described second nozzle are fan nozzle, and described first nozzle of homonymy and the spraying range of second nozzle are partly overlapping.
Preferably, described casing comprises be used to the dustbin that holds rubbish, and the filtered water tank that is used for holding clear water, and described dustbin is communicated with described suction nozzle, and described filtered water tank is communicated with described purging system.
According to a further aspect in the invention, a kind of method of sweeping of washing of small-sized sweeper is provided, and described small-sized sweeper is small-sized sweeper provided by the invention, and the described method of sweeping of washing comprises according to different road conditions and enables different control models, in each described control model, open described different nozzle.
Preferably, described a plurality of control models comprise the first control model, in this first control model, only control described left side the first nozzle or the first nozzle unlatching of described right side.
Preferably, described a plurality of control models comprise the second control model, in this second control model, only control described first nozzle and with this first nozzle not a described second nozzle of homonymy open simultaneously.
Preferably, described a plurality of control models comprise the 3rd control model, in the 3rd control model, only control described first nozzle and open simultaneously with described first nozzle and the described second nozzle of this first nozzle homonymy.
Pass through technique scheme, because the first nozzle and second nozzle can be controlled separately, therefore can be according to the corresponding nozzle of cleannes selectively unlocking of road conditions, and can not open simultaneously all the time, therefore only can realize with a small amount of clear water that the road surface is washed in the time of can be comparatively clean on the road surface sweeps, be staggeredly arranged on vehicle frame due to the first nozzle and second nozzle in addition, therefore can facilitate them to be installed on the less vehicle frame in space, sweep operation thereby be applicable to washing of small-sized sweeper.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
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 is used 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 that uses is as normally undefined in the normal situation to overtake of small-sized sweeper provided by the invention in " front, back, left, right, up, down ", particularly, can be with reference to the page of Fig. 2 to Fig. 7, wherein, left side in page is " front ", the right side is " afterwards ", upside is " right side ", and downside is " left side ", and " width " refers to the distance on left and right directions in addition, these nouns of locality only are used for explanation the present invention, are not limited to the present invention.In addition, " the small-sized sweeper " that provide in the present invention is for big-and-middle-sized sweeper, it is specially adapted to the space-constrained such as big-and-middle-sized sweeper inaccessiable community, city square zone and carries out the road surface and wash and sweep, and is a kind of emerging equipment of sweeping of washing.
as extremely shown in Figure 7 in Fig. 1, the invention provides a kind of small-sized sweeper, this small-sized sweeper comprises vehicle frame 1 and the casing 2 that is arranged on this vehicle frame 1, the front portion of vehicle frame 1 is equipped with sweeping 3, the rear portion of vehicle frame 1 is equipped with the suction nozzle 4 that is communicated with casing 2, and be provided with purging system between sweeping 3 and suction nozzle 4, wherein, in the preferred embodiment of the present invention, casing 2 comprises be used to the dustbin 21 that holds rubbish, and the filtered water tank 22 that is used for holding clear water, this dustbin 21 is communicated with suction nozzle 4, by blower fan, pavement garbage is drawn in dustbin 21, and filtered water tank 22 is communicated with purging system, can the clear water in filtered water tank 22 be supplied to give purging system by water pump particularly, to realize the cleaning on road surface.Wherein, the interior layout of casing 2 can have multiple, and for example in Fig. 1, dustbin 21 is arranged on the rear of vehicle frame 1, and filtered water tank arranges the place ahead of 22 vehicle frames 1, all should drop in protection scope of the present invention for 2 arrangement modes of texturing of these casees.
In order to make the small-sized sweeper provided by the invention can be in the situation that water tank and vehicle frame space are less, complete the road surface and wash the clean work of clearing away, purging system provided by the invention comprises the first nozzle 51 and the second nozzle 52 that can control separately, the first nozzle 51 can be towards sweeping 3 rear water sprays, second nozzle 52 can be towards suction nozzle 4 the place aheads water sprays, and the first nozzle 51 and second nozzle 52 are staggering on fore-and-aft direction and/or on left and right directions mutually.Wherein, the first nozzle 51 and second nozzle 52 all are preferably the big-flow high-pressure nozzle, to complete better the road pavement cleaning.Therefore, can control separately due to the first nozzle 51 and second nozzle 52, can have the driver to control corresponding nozzle according to the clean-up performance on road surface and open, perhaps both all open and realize that washing of road pavement sweep.In addition, the layout that can mutually stagger on fore-and-aft direction and/or left and right directions due to the first nozzle 51 and second nozzle 52, and more preferably, the first nozzle 51 and second nozzle 52 are staggering on fore-and-aft direction He on left and right directions simultaneously mutually.Therefore, corresponding nozzle can be installed on the less vehicle frame in space conveniently, and the mounting structure between can not producing backward and the layout of supply channel.And this mode can also increase the fit system of nozzle member, in the situation that the nozzle of negligible amounts increases the area coverage of nozzle.Therefore, the water-saving function that above-mentioned the present invention has and convenient function of arranging are specially adapted to small-sized sweeper.
Need to prove, in the present invention, the arrangement of small-sized sweeper for convenience of description, used in this article term: " vehicle frame ", implication that should " vehicle frame " comprise chassis frame and are arranged on subframe on the chassis for dress on mounting vehicle.And in this article, all use " vehicle frame " to refer to chassis frame and subframe, and it will be appreciated that, the use of this term can not be used for restriction the present invention.For example, in the preferred embodiment of the present invention, nozzle is arranged on chassis frame, and water pump, blower fan etc. is arranged on subframe.
Need to prove in addition, the embodiment that can realize technical solution of the present invention has multiple, concrete arrangement of nozzle etc. for example, and the present invention is in this introduction preferred embodiment wherein for convenience of description, this preferred embodiment only is used for explanation the present invention, is not used in restriction the present invention.
in preferred embodiment provided by the invention, as extremely shown in Figure 7 in Fig. 2, sweeping 3 on small-sized sweeper provided by the invention comprises along the left side sweeping 31 that the left and right directions of vehicle frame 1 is arranged symmetrically with and right side sweeping 32, therefore, correspondingly, the first nozzle 51 comprises left side the first nozzle 61 and right side the first nozzle 62 that can control separately, this left side first nozzle 61 and right side the first nozzle 62 are arranged on respectively the rear of corresponding sweeping 3, namely left side the first nozzle 61 is arranged on the rear of left side sweeping 31, to spray water towards this left side sweeping 31, right side the first nozzle 62 is arranged on the rear of right side sweeping 31, to spray water towards this right side sweeping 32.
And preferably, 4 of the suction nozzles of small-sized sweeper provided by the invention are positioned at the center on vehicle frame 1 left and right directions, second nozzle 61 comprises left side second nozzle 63 and the right side second nozzle 64 that can control separately, and this left side second nozzle 63 and right side second nozzle 64 are arranged on the place ahead of suction nozzle 4 take the center line of suction nozzle 4 as axial symmetry.Therefore, left side second nozzle 63 and right side second nozzle 64 can cooperatively interact well or with homonymy or not the first nozzle 51 of homonymy match.And preferably, the spraying range of this left side second nozzle 63 and right side second nozzle 64 is partly overlapping, can be when these two second nozzles 52 have been opened simultaneously, and the road surface in moistening suction nozzle 4 the place aheads better.Wherein because two the first nozzles 51 are staggeredly arranged on front and back and left and right directions with two second nozzles 52 respectively simultaneously.Therefore can be arranged on easily on vehicle frame 1.Particularly, four nozzles can consist of isosceles trapezoidal structure, and wherein the spacing of two the first nozzles 51 is greater than the spacing of two second nozzles 52, therefore, just can cover the width on the left and right directions of vehicle fully by four nozzles, sweep effect and guarantee that the road surface is washed.
In addition preferably, the first nozzle 51 and second nozzle 52 are fan nozzle, and farthest covering the left and right directions of small-sized sweeper, and more preferably, the first nozzle 51 of homonymy and the spraying range of second nozzle 52 are partly overlapping.Namely the spraying range of left side the first nozzle 61 and left side second nozzle 63 is partly overlapping, and the spraying range of right side the first nozzle 63 and right side second nozzle 64 is partly overlapping.Therefore, in the time need to cleaning dirty especially road surface, open simultaneously the first nozzle 51 of homonymy and second nozzle 52 road pavement and wash by force and get final product.Except this nozzle fit system, also has more nozzle fit system in the small-sized sweeper that provides in the present invention with the different road surface cleannes of correspondence.Describe below in conjunction with the method for sweeping of washing provided by the invention.
According to a further aspect in the invention, the method of sweeping of washing of small-sized sweeper that a kind of the invention described above provides is provided, and this is washed the method for sweeping and comprises according to different road conditions different control models is set, in each control model, open different nozzles, with the road surface of the different cleannes of correspondence.Below in conjunction with accompanying drawing introduction three kinds of control models wherein, also should drop in protection scope of the present invention for other NM control models.
At first, as shown in Figures 2 and 3, in the first control model, only control left side the first nozzle 61 or right side the first nozzle 62 unlatchings.What wherein open in Fig. 2 is right side the first nozzle 64, what open in Fig. 3 is left side the first nozzle 64, this moment, the cleaning width of small-sized sweeper was W3, washing and sweeping width is W1, wherein clean the width distance between the edge that width W 3 is two sweepings, the width range that is namely cleaned by two sweepings 3 is washed the width distance of sweeping between the edge of air inlet port that width W 1 is corresponding the first nozzle 51 and suction nozzle 4, the width range that namely can be sprayed clear water and aspirate.In this case, owing to only having first nozzle 51 to be unlocked, purging system all is assigned on this first nozzle 51 by pressure and the flow that water pump provides, and therefore can wash the dirtier road surface of sweeping these the first nozzle 51 place one sides by emphasis.Therefore, this first control model is applicable to the dirtier situation of road surface cleannes.
Then, as shown in Figure 4 and Figure 5, in the second control model, control first nozzle 51 and with this first nozzle 51 not a second nozzle 52 of homonymy open simultaneously.What open in Fig. 4 is right side the first nozzle 62 and left side second nozzle 63, and what open in Fig. 5 is left side the first nozzle 61 and right side second nozzle 64, this moment, the cleaning width of small-sized sweeper was still W3, wash and sweep width and increase to W2, wherein washing and sweeping width W 2 is two not the first nozzle 51 of homonymy and the width ranges between second nozzle 52, and therefore washing in the second control model swept width W 2 and be greater than washing in the first control model and sweep width W 1.This moment is owing to there being two nozzles to be opened simultaneously, the pressure of purging system and flow are assigned to two nozzles simultaneously, therefore be applicable to the cleaner situation of road surface cleannes, sweep width owing to having increased to wash, make small-sized sweeper provided by the invention in the situation that the road surface cleannes are cleaner, wash that to sweep efficient high.
At last, as shown in Figure 6 and Figure 7, in the 3rd control model, control first nozzle 51 and open simultaneously with first nozzle 51 and the second nozzle 52 of this first nozzle 51 homonymies.Wherein, what open in Fig. 6 is right side the first nozzle 62 and right side second nozzle 64, and what open in Fig. 7 is left side the first nozzle 61 and left side second nozzle 63.This moment, the cleaning width of small-sized sweeper was still W3, and wash sweep width for the first control model in identical W1, the 3rd control model is applicable to the dirty especially situation of road surface cleannes, because the spraying range of homonymy first nozzle 51 of small-sized sweeper provided by the invention and second nozzle 52 is partly overlapping, therefore can realize washing by force of road surface in the W1 scope by two cooperations with side nozzle, thereby the road surface when guaranteeing that road pavement is dirty is especially washed and is swept effect.
The above has introduced three kinds of control models provided by the invention by reference to the accompanying drawings, comprise again two kinds and wash the mode of sweeping in every kind of control model, in actual applications, use which kind of control model which kind of wash the actual conditions that the mode of sweeping depends primarily on the road surface.Above-mentioned three kinds of control models can be by being arranged on the control module realization, and by the corresponding control module of driver's operation, such as button, knob, handle etc. realized the switching of different control models, and it is convenient to realize.In addition, because the right side on common road surface is dirtier, therefore can be preferably larger with the specifications design of first nozzle 51 on right side and second nozzle 52, to satisfy the cleaning to the road surface, right side.Various designs for nozzle all should drop in protection scope of the present invention.
To sum up, small-sized sweeper provided by the invention can be opened by controlling separately corresponding nozzle, in the situation that completing washing of road pavement, sweeps in the saving clear water, therefore especially be applicable to the application of small-sized sweeper, small-sized sweeper provided by the invention and wash the method for sweeping and all have stronger 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.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up 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.