JP4339715B2 - Cleaning device and method - Google Patents

Description

  The present invention relates to a cleaning device and a method for cleaning a high-performance pavement having a permeable drainage function without reducing its function.

  In recent years, high-performance pavement in which a gap is formed between aggregates is attracting attention as compared with conventional asphalt pavement having no water permeability in pavements such as roads. According to this high-performance pavement, because it has water permeability, it is possible to suppress the occurrence of hydro-plane phenomenon and ice burn on the road surface, and to suppress running noise by the sound absorption effect in the gap between aggregates. Rainwater that falls on the roadbed is drained to the layer below the roadbed to reduce the generation of groundwater and sewage treatment load, and to suppress the urban heat island due to the rise in road surface temperature. Can do.

  By the way, in such high-performance pavement, after pavement construction, when dust such as pebbles, dust, and dust accumulates on the pavement surface, clogs of such pebble and dust are clogged in the gap of the high-performance pavement, If left as it is, the function as a high-performance pavement may be lost, and it is necessary to periodically clean and remove pebbles and dust clogged in the gaps.

  On the other hand, as a general road cleaning vehicle for cleaning garbage on the road surface, a cleaning brush having a substantially vertical axis and a brush hanging on the circumference thereof is disposed on the vehicle, and the vehicle is running 2. Description of the Related Art A cleaning brush is driven to rotate around an axis so that garbage on the road surface is scraped into the vehicle body (see, for example, Patent Document 1).

In addition, a water tank, a high-pressure water generator for sending water at a high pressure to the vehicle, a plurality of nozzles for injecting high-pressure water onto the road surface and collecting garbage on the road in a certain direction, and collected garbage It is also known that a suction means that sucks up and accumulates in a hopper is mounted and cleaned without using a cleaning brush (see, for example, Patent Document 2).
JP 2001-248123 A JP-A-9-71915

  However, as disclosed in Patent Document 1, the cleaning brush is rotated around the vertical axis to clean the garbage on the road surface, and the tip of the brush just slides along the road surface. For this reason, it is not possible to remove pebbles or dust that is clogged in the gaps in the high-performance pavement as described above. On the contrary, there is a risk of pushing dust into the gaps, so that the function of the high-performance pavement is restored. There is a problem that proper cleaning cannot be performed.

  Moreover, in the method of injecting high-pressure water from the nozzle as started in Patent Document 2, dust such as pebbles and dust clogged in the gap can be removed by devising the injection pressure and injection direction from the nozzle. However, there is a problem that a large amount of water is required and a large-scale apparatus configuration is required, and that a large amount of wastewater generated is costly and has an adverse effect on the environment.

  In view of the above-described conventional problems, the present invention provides a cleaning device and method that can remove dust such as pebbles and dust clogged in high-performance pavement gaps to prevent functional deterioration and can be post-processed at low cost. The purpose is to provide.

The cleaning device of the present invention comprises a brushing roller having a shaft center disposed substantially horizontally and capable of being driven to rotate about the shaft center, means for reciprocating the brushing roller in the direction of the shaft center, and a cleaning surface by the brushing roller. A suction means for sucking up dust (a concept including pebbles and dust) bounced from the dust, a dust removal means for separating and removing the sucked dust from the suction air in a dry manner, and these brushing rollers, suction means and dust removal means And a vehicle capable of traveling, and an adhesion roller for adhering dust to the outer peripheral surface, a means for scraping off the dust adhering to the adhesion roller, and a scraped dust A suction means for suction is provided. The dust includes pebbles, dust, and other dust.

According to this configuration, the brush tip is moved by pushing the brush tip against the road surface by rotation around the horizontal axis of the brushing roller, and then the brushing roller is reciprocated in the axial direction to simplify the brush tip. By moving not only in one direction but also in the direction perpendicular to it, even if the gap in the high-performance pavement is clogged, it works to dig out and jump up, and clog the gap Even if it is dust, it can be taken out and flipped up more reliably, and the function of the high-performance pavement can be prevented by sucking up the dust that has been lifted up by the suction means and removing it from the cleaning surface. and the sucked dust by separating off a dry dust removing means, it is possible to post-process dust in a simple and low cost, is disposed in the running direction behind the position of the suction means, the dust By arranging an adhesive roller that adheres to the peripheral surface, a means for scraping dust adhered to the adhesive roller, and a suction means for sucking the dust that has been scraped off, the remaining dust that cannot be sucked is adhered to the adhesive roller. After being separated from the cleaning surface, the dust is scraped and sucked, so that the dust can be completely cleaned without remaining on the cleaning surface.

  In addition, the suction means includes a suction box having a suction port facing the cleaning surface, and when an air outlet is provided around the suction port, the suction means pushes with the air blown from the air outlet and supplies the suction port to the suction port. By sucking and removing dust by a push-pull method that pulls with suction air, dust with a large mass such as pebbles can be reliably removed by suction.

Further, the cleaning method of the present invention allows a vehicle equipped with a brushing roller having a shaft center disposed substantially horizontally, a suction unit, and a dust removal unit to run on the brushing roller while traveling with the brushing roller in contact with the cleaning surface. Rotate and reciprocate in the axial direction to splash dust up from the cleaning surface, suck the dust up from the suction port of the suction means, remove dust from the suction air dry with the dust removal means, and remove with the suction means The dust that has not been sucked is adhered to the outer peripheral surface of the adhesive roller, lifted from the cleaning surface, and then scraped off and sucked from the adhesive roller . it is possible to prevent a decrease function, and simple and to at a low cost can be performed post-dust was not sucked by the suction means dust is adhered to the outer peripheral surface of the adhesive roller to lift the cleaning surface After, by sucking scraped from the adhesive roller, also remain unable dust suction as described above, can be more thoroughly cleaned without leaving dust on the cleaning surface.

According to the cleaning device and method of the present invention, even if the dust is clogged in the gap of the high-performance pavement due to the rotation around the horizontal axis of the brushing roller and the reciprocating motion in the axial direction, it is dug up and jumped up. It is possible to prevent the functioning of the high-performance pavement from deteriorating by sucking the dust that has been bounced up with the suction means and removing it from the cleaning surface, and separating and removing the sucked dust with the dry dust removal means. By doing so, dust post-treatment can be performed easily and at low cost, and an adhesive roller disposed behind the suction means in the running direction and adhering dust to the outer peripheral surface, and dust adhered to the adhesive roller By disposing the scraping means and the suction means for sucking off the dust that has been scraped off, the dust remaining without being sucked is adhered to the adhesive roller and pulled away from the cleaning surface, and then scraped off and sucked, Dust on the cleaning surface It can be more completely cleaned without causing cuts.

  Hereinafter, an embodiment of the cleaning device of the present invention will be described with reference to FIGS.

  In FIG. 1, reference numeral 1 denotes a high-performance pavement cleaning vehicle, a unit 4a having a cylindrical brushing roller 25 disposed at the front and rear portions of the front wheel 3 of the vehicle 2 so that the shaft center is substantially horizontal. 4b is arranged. A suction box 5 is disposed at the rear of the rear brushing roller unit 4b, an adhesive roller unit 6 and a suction box 7 are disposed at the rear, and a rear wheel 8 is disposed at the rear. A cyclone separator 11 connected to the suction boxes 5 and 7 via a suction pipe 10, a bag filter device 12, a suction turbo blower 13, and a blower driving means are mounted on the loading platform 9 of the vehicle 2. 14, a generator 15, a compressor 16, a blower pipe 17 connecting the exhaust side of the turbo blower 13 and the suction box 5, and a silencer 18 disposed in the middle thereof. A dust storage box 11 a for storing the separated dust is disposed at the lower part of the cyclone separator 11.

  The brushing roller units 4a and 4b are configured as shown in FIG. As shown in FIG. 2A, the rotational force transmission mechanism 19 (see FIG. 1) disposed in the vehicle 2 is moved up and down so that the hydraulic damper 20 and the spring 21 can move up and down according to the unevenness of the cleaning surface. A pair of rotation conversion transmission units 22 are movably mounted, and a rotation shaft 23 is supported by the pair of rotation conversion transmission units 22 so as to be able to be rotationally driven and movable in the axial direction thereof. The rotating shaft 23 is rotated in a direction in which the lower side moves forward in the traveling direction at a rotational speed of, for example, about 100 rpm. In addition, a rotatable cylinder device 24 that is driven to move in the axial direction while allowing the rotation of the rotation shaft 23 is disposed at both ends or one end of the rotation shaft 23. In this cylinder device 24, the rotary shaft 23 is reciprocated at a speed of about 500 times / min when the vehicle 2 travels at a speed of about 150 mm, for example, and the vehicle 2 travels at a speed of 30 km / h.

  A plurality of brushing rollers 25 are fixed to the rotating shaft 23 at appropriate intervals. The brushing rollers 25 are arranged in a zigzag manner between the brushing roller units 4a and 4b, and are configured to be cleaned by the brushing roller 25 over almost the entire width except for both side ends of the vehicle 2. As shown in FIG. 2B, the brushing roller 25 is configured such that a brush wire 27 is planted on almost the entire outer peripheral surface of the boss portion 26 fixed to the rotating shaft 23. The brush wire 27 is preferably made of 66 nylon having a wire diameter of 0.1 to 0.25 mm, and its length is 20 to 80 mm, particularly about 40 to 60 mm. It is effective to take out dust and bounce up. It is also possible to use 612 nylon, which is harder to lose even when water is used than 66 nylon, or polypropylene, which is stronger than nylon. Further, the brush wire 27 is not limited to a straight one, and may be a waved one.

  As shown in FIG. 3, the suction box 5 has a box shape having a length that covers almost the entire width of the vehicle 2, and an inner box 28 having a suction port 30 opened on the lower surface and an air outlet 31 around the suction port 30. The outer box 29 has a double box structure. A pair of suction connection ports 32 a and 32 b connected to the suction tube 10 are provided on the upper surface of the inner box 28, and a blower connection port 33 connected to the blower tube 17 is provided on the upper surface of the outer box 29.

  Further, the brush 34 is suspended from the peripheral edge of the suction port 30 and the peripheral edge of the air outlet 31 toward the cleaning surface, and dust on the cleaning surface is allowed to enter the lower part of the suction box 5 while allowing the suction port 30 and the air jet. By closing the gap between the outlet 31 and the cleaning surface to some extent, the dust that has entered the lower portion of the suction box 5 is pushed by the air jetted from the air jet port 31 and pulled by the suction air to the suction port 30. It is configured so that it can be reliably removed by suction from the cleaning surface. The brush 34 is made of, for example, a thin 66 nylon wire having a wire diameter of about 0.3 mm, and has a length of about 100 mm.

  The adhesive roller unit 6 is configured as shown in FIG. Similar to the brushing roller units 4a and 4b, a plurality of rotational force transmission mechanisms 19 (see FIG. 1) disposed in the vehicle 2 can be vertically moved by hydraulic dampers 20 and springs 21 according to the unevenness of the cleaning surface. The rotation conversion transmission unit 22 is mounted so as to be movable up and down, and the rotation conversion transmission unit 22 supports the rotation shaft 39 so as to be capable of rotational driving. An adhesive roller 35 made of natural rubber is attached to the rotating shaft 39. The rotating shaft 34 is rotationally driven in synchronization so that the traveling speed of the vehicle 2 and the peripheral speed of the adhesive roller 35 are substantially matched. It is possible to use a fixed support shaft instead of the rotation shaft 39, and the adhesive roller 35 can be rotatably mounted thereon. However, it is preferable to actively rotate the shaft.

  A blade 36 (see FIG. 1) that scrapes off dust adhered to the outer peripheral surface of the adhesive roller 35 is disposed at the rear of the adhesive roller 35, and a suction box that opens a suction port 37 facing the lower portion of the blade 36 at the rear. 7 is disposed, and the suction box 7 is connected to the suction pipe 10.

  Next, the cleaning operation by the high-performance pavement cleaning vehicle 1 having the above configuration will be described. While the brushing roller 25 of the brushing roller units 4a and 4b is in contact with the cleaning surface, the vehicle 2 is driven at a speed of about 30 km / h, the turbo blower 13 is driven by the blower driving means 14, and the cylinder device 24 is driven. The rotary shaft 23 is reciprocated. Then, the brushing roller 25 of the brushing roller units 4a and 4b is synchronized with the traveling of the vehicle 2 via the rotational force transmission mechanism 19 at a rotational speed of about 100 rpm toward the front in the traveling direction as indicated by an arrow in FIG. While being driven to rotate, it is reciprocated at a speed of about 500 times / min with a stroke of about 150 mm in the axial direction. Further, the adhesive roller 35 of the adhesive roller unit 6 is rotationally driven so that its peripheral speed substantially coincides with the traveling speed.

  Thus, by rotating the brushing roller 25 around the horizontal axis, as shown in FIG. 5, the tip of the brush wire 27 is pushed against the cleaning surface 40 and then moved so as to be lifted up, so that the dust 42 is surely splashed. Can be raised. Further, since the brushing roller 25 is rotated in the direction in which the contact portion with the cleaning surface 40 moves forward in the traveling direction, the traveling of the vehicle 2 and the rotation of the brushing roller 25 are synergistic, and the brushing roller 25 is rotated at about 100 rpm. Even if it is rotated at a low speed, the dust 42 can be effectively lifted up. Further, as the brushing roller 25 reciprocates in the axial direction, the tip of the brush wire 27 simply moves not only in one direction but also in a direction perpendicular thereto, so that the cleaning surface 40 of the high-performance pavement is obtained. Even if the crevice 41 is clogged with dust 42 such as pebbles, it can be dug up and jumped up. Thus, even if the dust 42 is clogged in the gap 41, it can be taken out and removed more reliably, and the functional degradation of the high-performance pavement can be prevented.

  Further, the dust 42 splashed up as described above is sucked by the suction box 5 and removed from the cleaning surface 40. At the time of suction by the suction box 5, the dust 42 is pushed by a push-pull method in which the dust 42 is pushed by the air jetted from the air jet 31 provided around the suction port 30 and pulled by the suction air to the suction port 30. Therefore, even dust with a large mass such as pebbles can be reliably removed by suction. The sucked dust 42 is separated and removed by the cyclone separator 11 through the suction pipe 10, and the fine dust not separated by the cyclone separator 11 is separated and removed from the sucked air by the bag filter device 12. . In this way, by separating and removing the sucked dust 42 with the dry-type cyclone separator 11 and the bag filter device 12, waste water treatment in the case of wet is unnecessary, and dust post-treatment is performed easily and at low cost. Can do.

  Further, since the adhesive roller unit 6 and the suction box 7 are disposed at the rear side of the suction box 5 in the running direction, the dust 42 that cannot be sucked is adhered to the adhesive roller 35 and separated from the cleaning surface 40. Thereafter, it is scraped off by the blade 36 and sucked by the suction box 7, and can be separated and removed by the cyclone separator 11 and the bag filter device 12 through the suction tube 10. Can be cleaned.

  The cleaning device and method according to the present invention digs it up and flips it up even if dust is clogged in the gap of the high-performance pavement due to rotation around the horizontal axis of the brushing roller and reciprocation in the axial direction. Since it is sucked by a suction means and separated and removed by a dry dust removing means, it can be easily and inexpensively cleaned, and it is useful for cleaning a high-performance pavement and preventing its function from being lowered.

It is a schematic block diagram of the highly functional pavement cleaning vehicle in one Embodiment of this invention. The schematic structure of the brushing roller unit in the highly functional pavement cleaning vehicle of the embodiment is shown, (a) is a perspective view, (b) is an AA arrow sectional view of (a). The schematic structure of the suction box in the highly functional pavement cleaning vehicle of the embodiment is shown, (a) is a perspective view, (b) is a cross-sectional view taken along line BB in (a), and (c) is C in (a). It is -C arrow sectional drawing. It is a perspective view which shows schematic structure of the adhesion roller unit in the highly functional pavement cleaning vehicle of the embodiment. It is explanatory drawing of the dust raising effect | action by the brushing roller in the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 High performance pavement cleaning vehicle 2 Vehicle 4a, 4b Brushing roller unit 5 Suction box 6 Adhesive roller unit 7 Suction box 11 Cyclone separator (dust removal means)
12 Bag filter device (dust removal means)
24 Cylinder device (means to reciprocate)
25 Brushing roller 30 Suction port 31 Air outlet 35 Adhesive roller 40 Cleaning surface 41 Clearance 42 Dust

Claims (3)

A brushing roller having an axial center disposed substantially horizontally and capable of rotating around the axial center, means for reciprocating the brushing roller in the axial direction, and dust splashed from the cleaning surface by the brushing roller. a suction means for sucking, a dust removing means for separating and removing a dry the sucked dust from the suction air, and a drivable vehicle equipped these brushing roller and the suction means and the dust removal means, the running direction behind the suction means A cleaning apparatus comprising: an adhesive roller for adhering dust to the outer peripheral surface; a means for scraping off dust adhered to the adhesive roller; and a suction means for sucking the scraped dust . A brushing roller having an axial center disposed substantially horizontally and capable of rotating around the axial center, means for reciprocating the brushing roller in the axial direction, and dust splashed from the cleaning surface by the brushing roller. A suction means for sucking, a dust removing means for separating and removing the sucked dust from the suction air in a dry manner, and a vehicle capable of running on which the brushing roller, the suction means and the dust removing means are mounted. A suction box having a suction port opposite to the suction port, and an air jet outlet disposed around the suction port, and a sticking roller for sticking dust to the outer peripheral surface at a position rearward in the running direction of the suction means; adhesive was a means to scrape dust, scraped features and to RuKiyoshi scavenging device that dust were provided with suction means for sucking the. A vehicle equipped with a brushing roller having a shaft center disposed substantially horizontally, a suction device, and a dust removal device is rotated while the brushing roller is in contact with the cleaning surface, and the brushing roller is rotated and reciprocated in the axial direction. The dust is splashed up from the cleaning surface, sucked up from the suction port of the suction means, separated and removed from the suction air by the dust removal means, and the dust not sucked by the suction means is removed from the adhesive roller. A cleaning method comprising: adhering to an outer peripheral surface and lifting from a cleaning surface, and then scraping and sucking from an adhesive roller .

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