EP2210982B1 - Machine de nettoyage mobile haute pression pour sols en plastique extérieurs et son utilisation - Google Patents

Machine de nettoyage mobile haute pression pour sols en plastique extérieurs et son utilisation Download PDF

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Publication number
EP2210982B1
EP2210982B1 EP10000640.2A EP10000640A EP2210982B1 EP 2210982 B1 EP2210982 B1 EP 2210982B1 EP 10000640 A EP10000640 A EP 10000640A EP 2210982 B1 EP2210982 B1 EP 2210982B1
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EP
European Patent Office
Prior art keywords
cleaning
cleaning machine
water
cleaned
pump
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EP10000640.2A
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German (de)
English (en)
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EP2210982A3 (fr
EP2210982A2 (fr
Inventor
Christoph Mayer-Klenk
Bodo Meuschke
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SANDMASTER
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SANDMASTER
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
    • E01H1/103—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/30—Arrangements for collecting, re-using or eliminating excess spraying material comprising enclosures close to, or in contact with, the object to be sprayed and surrounding or confining the discharged spray or jet but not the object to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0229—Suction chambers for aspirating the sprayed liquid

Definitions

  • the present invention relates to a mobile HD cleaning machine for the proper cleaning of outdoor plastic floors. Furthermore, the invention relates to the use of such a mobile HD cleaning machine for the proper cleaning of outdoor plastic floors, including fall protection floors and elastic products for field coverings and athletics coverings. Furthermore, the invention relates to the use of such a mobile HD cleaning machine for the regeneration of the fall protection properties of fall protection plates and floors that are laid on sports and playgrounds.
  • the abbreviation "HD" is used in this documentation to refer to "high pressure”.
  • the document WO 02/097197 A1 relates to a brushless cleaning head for the treatment of surfaces.
  • the cleaning head is mounted on a mobile HD cleaning machine, which is equipped with a chassis having a plurality of wheels, of which at least one drive wheel is driven by a motor to move the machine at a predetermined operating speed on the floor surface to be cleaned.
  • the cleaning head has a Hood-shaped to open to the floor surface to open housing in / on which a spraying device is housed to spray water under high pressure conditions against the floor surface to be cleaned. Further, a collecting means is provided to receive by means of suction air splashed water and a slurry of water, dirt particles and other solid particles and to remove from the housing.
  • a water tank On this chassis is at least additionally attached: a water tank; an HP pump that draws water from the water tank and delivers it to the sprayer under HD conditions; a suction fan whose suction port is connected to the collecting means; and a motor unit having at least a drive wheel drive, a suction fan drive and an HP pump drive.
  • a control system that adjusts the pressure of emerging from the nozzles of a rotating sprayer water spray jets and the rotational speed of the rotating sprayer to the propagation speed of the HD cleaning machine to ensure optimum cleaning performance for a particular cleaning task.
  • This HD cleaning machine can be used in difficult cleaning tasks, where high demands are made, for example in the cleaning of parking areas, airport runways, gas stations and the like.
  • the document DE 90 17 025 U1 describes a mobile device for cleaning porous, uneven floor coverings with the aid of a liquid which is sprayed from one or more nozzles under pressure on the floor coverings.
  • floor coverings to be cleaned for example, pavement and pavement pavements made of asphalt and similar materials are described.
  • two spray nozzles carrying the spray nozzles can be arranged next to one another, ie transversely to the feed direction of the device.
  • the document DE 44 04 230 A1 relates to a method and a device for cleaning floor surfaces, in particular joints between paving stones and floor slabs.
  • the device used to clean the bottom surfaces consists of a downwardly open hood to which a plurality of downwardly facing spray heads and a suction device are attached.
  • the hood is suspended on a chassis height adjustable and fixed to the chassis so that in the lower part of its outer circumference brush mounted just on the bottom surface.
  • the external suction device and the internal spray heads are separated by a partition wall.
  • an annular channel is formed, to which several hoses are connected, via which the suction takes place. From a separate channel trolley, standing water is supplied to the spray heads under a pressure of 300 bar.
  • the vacuum required for suction can be generated by a separate compressor.
  • the document WO 2005/071168 A1 relates to a device, a vehicle and a method for cleaning surfaces to which chewing gum sticks. It is well known that the removal of chewing gum from paving slabs and the like requires drastic actions. Consequently, HD-water jets are used which are sprayed under a pressure of 300 to 750 bar, the water having a temperature of at least 115 ° C. Preferably, the water should have at least a temperature of 150 ° C. These high-pressure water jets are generated by rotating spray nozzles running at a speed of 500 to 1400 revolutions / min. rotate. Preferably, several spraying devices are arranged one behind the other in the working direction, so that a given surface is processed several times. These are drastic conditions, which are not eligible for a gentle cleaning of outdoor plastic floors of the type considered here.
  • a cleaning machine should be designed so that the located on the surface Dirt using liquid or water jets completely, that is without residues and economically, that can be eliminated with relatively low energy and water consumption.
  • the machine is equipped with a nozzle bar, with the aid of which HD water jets are directed against the surface to be cleaned.
  • the special feature is that in the direction of travel in front of the nozzles of the beam, a collecting device connected to the machine is arranged, which receives and discharges the liquid sprayed by the nozzles against the surface to be cleaned.
  • This collecting device consists of a rising in the direction of travel from rear bottom to front up with the lower end resting on the surface to be cleaned or as close to this surface arranged plate and from an adjoining trough.
  • the usually made of sheet metal plate of the collecting device is at the coming into contact with the ground end with a bar Rubber or plastic provided that does not damage the latter when sliding on the ground.
  • the document DE 100 42 042 C1 refers to a device for cleaning a road, in particular an airport runway.
  • the one or more, the spray nozzles carrying (n) support beams are driven by a purpose-designed rotary drive with drive shaft, and the peculiarity is that this drive shaft also drives a fan, with the negative pressure and an air flow to dissipate the dissolved Dirt is generated.
  • the document DE 20 2005 011 99 U1 relates to a floor cleaning machine, which is suitable for example for cleaning hard floors.
  • the cleaning is carried out by means of a rotating brush, which is driven by a brush drive.
  • This floor cleaning machine may be a machine to be pushed by an operator, which has only a brush drive and no drive motor, or it may be a drive motor driven machine.
  • the brush cleans the floor with the help of a cleaning fluid, especially water.
  • This cleaning fluid is housed in a reservoir, which is carried on the machine. While the floor cleaning machine is standing, in particular while the brush is not being operated, no cleaning liquid should reach the floor. Otherwise, the floor cleaning machine would run out, so to speak.
  • a valve which can block the flow of cleaning fluid in the direction from the reservoir to the outlet adjacent to the floor to be cleaned when the machine is stopped. If an operator wants to put the floor cleaning machine into operation, he must open the valve for the cleaning liquid, switch on the brush drive and, if necessary, also switch on a drive motor of the floor cleaning machine.
  • the document DE 298 19 927 U1 relates to a mobile cleaning device, which is driven by a motor, and performs their cleaning work by means of a rotating brush.
  • cleaning liquid is applied to the floor to be cleaned, which is provided from a storage tank entrained on the cleaning machine; this cleaning fluid passes under the influence of gravity from the storage tank on the surface to be cleaned.
  • This cleaning machine can drive at different speeds over the surface to be cleaned. At a higher vehicle speed, a larger area is cleaned per unit time and therefore more cleaning fluid is required per unit time. Therefore, proceed to couple the dosage of the application of the cleaning liquid on the floor to be cleaned with the vehicle speed to adjust the applied amount of cleaning fluid to the respective driving speed of the cleaning device.
  • Such a measure appears to be necessary in any case when a supply of cleaning liquid is carried in a storage tank on the cleaning machine, and the cleaning machine is designed for different vehicle speeds. This measure has no relation to the soil to be cleaned.
  • the aim of the present invention is the proper cleaning of outdoor plastic floors.
  • These outdoor plastic floors consist essentially of PUR-bonded rubber fibers, rubber granules or granules of synthetic rubber such as EPDM or contain at least one tread or wear layer of such material.
  • PUR-bound here stands for "polyurethane-bound”
  • EPDM here stands for ethylene / propylene-diene terpolymers.
  • Indoor plastic floors of this type are typically provided with an additional surface sealant layer which allows for floor cleaning common in interiors and halls. For outdoor plastic floors, such a surface sealing layer is missing.
  • Outdoor plastic floors of this type can be constructed as single-layered or multi-layered and are typically laid in the form of seamlessly set plates and sheets or large-scale coatings on a prepared substrate, for example on an unbound base course or on asphalt or concrete.
  • the products are typically colored, most often in reddish brown.
  • a well-known manufacturer is BSW, Berleburger Schaumstoffwerke GmbH, 57301 Bad Berleburg (DE), whose products of this type are marketed under the REGUPOL® brand.
  • Outdoor plastic floors of this type are characterized by an open-pored structure, by water permeability and by elasticity. Depending on her Resiliency may be fall protection flooring that meets the fall protection requirements of European Standard 1177.
  • Corresponding fall protection floors are typically laid in the form of fall protection plates and fall protection coverings, for example on children's playgrounds, here for example under climbing frames or as edging of sandboxes, also in outdoor pools, on schoolyards, and in the form of play and sports surfaces; Fall protection floors are used wherever there is an increased risk of injury from falls. Elastic products of this type have a lower elasticity and are typically used as special floors on playgrounds and small playgrounds for a variety of ball sports, or as athletics surfaces, such as tracks and sprint tracks of sports fields.
  • Proper cleaning of outdoor plastic floors depends on various factors and may require different cleaning conditions.
  • An important factor is the degree of pollution.
  • an extremely dirty floor which is already interspersed with organic material and has assumed a greyish color, requires more powerful cleaning conditions than a typical fall protection floor under a child's play stand. Too little injection pressure of the HD water jets provides an unsatisfactory cleaning image; it remains a shadow.
  • Older outdoor plastic floors may already show minor damage, such as minor holes and cracks. If such damage is exposed to an excessive and / or too strong exposure to high-pressure water jets, the granulate surrounding the crack or the hole, which is partly loosely attached, can be cut off; it is removed granules, which increases the damaged area.
  • the HD cleaning machine according to the invention with the water jets produced by it would twice clean a given area at the intended operating speed or clean a given area for too long, for example because the machine is in an active spraying device or carries out a complicated turning maneuver, then lighter spots, Strips, an enlargement of existing defects and other damage to the cleaned surface occur, which affects the visual impression of the cleaned surface and thus the quality of cleaning.
  • the object of the present invention is to provide an HD cleaning machine of the generic type for the proper cleaning of outdoor plastic floors.
  • Another object of the present invention relates to the proper cleaning of outdoor plastic floors using an HD cleaning machine. Properly means here sufficiently and gently in the sense of the foregoing.
  • the cleaning of fall protection coverings with this HD cleaning machine to restore the fall protection properties of such coverings to the extent that the useful life of such, purified fall protection coverings - while ensuring the fall protection properties according to the standard EN 1177 - extended.
  • the spray lock can be disabled by an operator, such as when the machine needs to perform a complicated turning maneuver or when a cleaning job needs to be performed in a location that is not easily accessible, such as under a jungle gym.
  • the operator's experience and particular attention in operating the sprayer will prevent excessive cleaning of the floor surface, which could cause lighter streaks and stains.
  • the HD cleaning machine according to the invention is designed for a travel speed of 5 to 10 m / min, more preferably designed for such a working speed of about 7 m / min.
  • the above-described sufficient cleaning of outdoor plastic floors is achieved, in which at least 60% of the embedded in the porous plastic floor dirt particles and other foreign solid particles are removed.
  • the HD cleaning machine according to the invention is designed for a relative cleaning performance, according to the per minute uninterrupted driving with about 20 to 30 liters of water at a working width of about 750 mm, an area of about 7 m 2 to 10 m 2 of the outdoor plastic floor processed can.
  • an HP pump with a pump outlet pressure of 200 to 500 bar is provided for this purpose, particularly preferably an HP pump with such a pump outlet pressure of about 250 to 400 bar intended.
  • the HD water jets thus produced typically come under a pressure of about 150 to 300 bar from the rotating nozzles on the sprayer, which typically rotate at a distance of about 30 to 60 mm from the surface to be cleaned.
  • the engine unit includes an internal combustion engine that drives a hydraulic pump to forcibly lead a liquid hydraulic fluid in a hydraulic fluid circuit to which a respective hydraulic drive is connected, each of the HP pump, the suction fan and the drive wheel or the drive wheels assigned.
  • a solenoid valve may be used in the leading to the HD pump hydraulic drive hydraulic fluid supply line, which is only opened after the drive wheel hydraulic drive is acted upon by hydraulic fluid to the HD cleaning machine with the intended working speed on the to move to be cleaned area.
  • the solenoid valve In the case of a stall of the engine or in a direction reversal or other delay, the solenoid valve is closed, thus interrupting the operation of the sprayer, so as to prevent excessive cleaning on a limited area, leading to the formation of lighter stripes, lighter spots and could cause other damage to the cleaned outdoor plastic floor.
  • the suction fan and each drive wheel depending on a separate electric motor is present, which is fed from one or more battery (s) located on board the machine are located.
  • a separate electric motor is present, which is fed from one or more battery (s) located on board the machine are located.
  • such mutual control of HP pump electric motor and drive wheel electric motor is provided to ensure that the HD pump promotes cleaning liquid under HD conditions to the sprayer only if the HD cleaning machine with at least the intended operating speed travels over the area to be cleaned.
  • the rotational speed of each drive wheel can also be scanned by means of such sensors, and the output signal is processed in a central control unit, which also controls the HP pump electric motor.
  • the HD cleaning machine according to the invention is equipped with an HP pump, which sets and promotes water under high discharge pressure.
  • an HD pump that delivers a discharge pressure to the pump in the range of 200 to 500 bar.
  • an HP pump that provides a variable, adjustable delivery pressure in the range of 250 to 400 bar.
  • a flat jet nozzle typically requires a higher pump outlet pressure and, as a result, a higher injection pressure than a spot jet nozzle.
  • the HP pump generates a water pressure in the range of 150 to 250 bar at the outlet of the nozzles producing the water spray jets; even more preferred here is at the HD output of the nozzle, a water pressure in the range of about 180 to 230 bar. Under these conditions, the water jet emerging from the nozzle disintegrates after about 150 mm into individual droplets.
  • the outlet opening of the nozzles is preferably kept at a distance of about 30 to 60 mm from the surface to be cleaned, and under these conditions, proper cleaning of the outdoor plastic floors can be obtained.
  • the injection device preferably has two, in the feed direction juxtaposed hollow support beams which are rotatably supported by a respective centrally disposed and vertically oriented hollow shaft. At each end of the stringer a nozzle is arranged so that one on the surface to be cleaned directed water jet is formed. The water is supplied to the nozzles under HD conditions via the hollow shaft and the hollow stringers. It is chosen such a mutual arrangement that approaching nozzles pass each other at a small distance.
  • each hollow support beam can be connected to the associated hollow shaft via a quick-change system, which allows rapid replacement of a given, provided with a particular type of nozzle support beam against another, provided with a different type of nozzle support beams.
  • a support beam is secured with respect to its associated hollow shaft, with the aid of a quick release and quick lockable bolt.
  • Various types of nozzles may be provided, for example flat fan nozzles with a slot-shaped nozzle opening or spot jet nozzles with a circular nozzle opening.
  • the slot of a fan jet nozzle may typically have a length of about 2 mm and a width of about 0.8 mm.
  • Flat jet nozzles are preferably used for cleaning larger and less polluted areas.
  • the HP pump preferably delivers a pump outlet pressure in the range of 250 to 300 bar, which typically delivers an injection pressure of 180 to 230 bar at the outlet of the flat jet nozzle.
  • Point jet nozzles are more typically used to clean heavily soiled surfaces;
  • a fall protection floor under a game device is preferably cleaned by means of spot jet nozzles.
  • Such spot jet nozzles may preferably have a straight through bore with a bore diameter greater than 0.70 mm and less than 0.90 mm; Particularly good results are achieved with a point jet nozzle whose straight through bore has a bore diameter of about 0.8 mm.
  • HP pump outlet pressure in the range of 200 to 250 bar is preferably provided. Under these conditions, proper cleaning of the outdoor plastic floors provided here can be achieved.
  • the water jet formed decomposes too early into individual droplets and does not produce sufficient cleaning action.
  • a bore diameter equal to or greater than 0.90 mm the water consumption is too high under the conditions mentioned.
  • each support beam may preferably be selected a length of 300 to 500 mm; Particularly preferred here is a support beam length of about 350 mm. Because the two support beams are arranged side by side and transversely to the feed direction, so that a working width of 600 mm to 1000 mm, in particular a working width of about 750 mm can be achieved, which has proven well in practice.
  • such a spray device is bounded by vertically aligned bristles which terminate at a small distance from the surface to be cleaned. These bristles are arranged in an oval ring, which encloses the two circular orbits of the spray nozzles. These bristles are used to limit the spray space and to keep from the floor surface to be cleaned rebounding water droplets and dirt particles within the spray chamber.
  • Such an injection device is formed on the cleaning head, which in turn is articulated on the HD cleaning machine.
  • a transversely to the feed direction aligned U-shaped guide can be provided on the front portion of the machine, within which a complementary rail is guided displaceably, on which the cleaning head is articulated.
  • This rail can be locked in various lateral positions with respect to the longitudinal center plane of the machine, so that the cleaning head can be arranged laterally offset from this longitudinal center plane and working if necessary.
  • This adaptation to difficult to reach places of the surface to be cleaned can be achieved, for example under a climbing frame on a fall protection floor.
  • the lateral adjustment of the rail on the cleaning head with respect to the guide on the machine can also be carried out continuously by means of a drive (rack and a gear operated by a servomotor, or rotating threaded rod, which adjusts a female thread meshing therewith on a nut); With such equipment, the operator can continuously change and align the laterally offset arrangement of the cleaning head with respect to the longitudinal center plane of the machine.
  • a drive rack and a gear operated by a servomotor, or rotating threaded rod, which adjusts a female thread meshing therewith on a nut
  • the cleaning head is provided with its own, height-adjustable rollers arranged to run on the surface to be cleaned.
  • the outlet openings of the nozzles are kept at a distance of about 30 to 60 mm to the surface to be cleaned; Particularly preferred here is such a distance of about 40 mm. Also, the choice of this distance contributes to the proper cleaning of the outdoor plastic floors, as stated above.
  • such a collecting device may be provided with a collecting channel which forms a closed oval and is open towards the surface to be cleaned; bounded by an outer leg formed by the vertically aligned cleaning head housing wall and an inner leg spaced therefrom, each terminating at a distance of about 30 to 50 mm above the surface to be cleaned.
  • the collecting channel thus formed opens into a collecting funnel, which is located in the feed direction behind the spraying device. This collecting funnel in turn is connected to the suction connection of the suction fan via a large-volume flexible hose piece.
  • the rear part of the outer leg of the collecting trough can be provided with a trailing over the surface to be cleaned lip of flexible material.
  • a trailing over the surface to be cleaned lip of flexible material Such a lip inhibits the intake of sucked air at the back of the cleaning head.
  • the air is sucked in mainly at the front of the cleaning head, which allows a greater distance of the lower edge of the cleaning head housing at this front.
  • the cleaning head can thus drive on an uneven surface and clean them reliably and properly.
  • the suction fan is designed for a delivery rate of about 25 to 40 m 3 air / min; Particularly preferred here is such a capacity of about 30 m 3 air / min provided.
  • This high flow rate generates a strong suction air flow, with the help of which most of the sprayed water for cleaning can be resumed together with the expelled from the plastic floor dirt particles and other foreign solid particles in the collection of the cleaning head.
  • This, liquid water, dirt and other foreign solid particles containing suction air stream is introduced via the suction fan with the subsequently formed compressed air flow into the water tank.
  • this contaminated compressed air stream flows along a longer path in turbulent flow past vortex plates, and this is a separated significant proportion of splashing water from the compressed air stream and fed back into the existing water tank in the water supply
  • the lower edge of the collecting trough can end at a significant distance of about 30 to 50 mm above the surface to be cleaned; Thus, with the described cleaning head under these suction conditions and an uneven surface can be properly cleaned.
  • the HD cleaning machine according to the invention is equipped with its own water tank.
  • an elongated, box-shaped water tank can be provided, which can accommodate about 400 to 500 liters of water at a length of 150 to 200 cm, typically at a length of about 170 cm. More preferred is a water tank with a capacity of about 250 to 300 liters of water.
  • a water tank is made of a light metal, such as aluminum, to save weight.
  • the pressure connection of the suction fan is connected to an air inlet of the water tank, which is attached to the rear of the water tank. Even if the water tank is completely filled with fresh water to the intended extent, there remains above the water surface free space for an air flow. In this free space several, attached to the ceiling wall of the water tank vortex plates protrude, which provide a turbulent flow of the passing air. It creates a long winding path for the air flow.
  • the water in the water tank passes through one or more filters and then passes as pure water to the suction side of the HP pump.
  • the delivery rate of the suction fan, the treatment of the intake air within the water tank and the capacity of the water tank are coordinated so that for cleaning about three times that amount of water is available, which has been initially filled in the water tank. Thanks to this configuration, with a water tank volume of about 300 liters and a water demand of the sprayer for cleaning purposes of about 20 liters / min during an uninterrupted cleaning job at an average operating speed of about 7 m / min with a single water tank fill, an area of about 50 to 150 m 2 be cleaned.
  • Another aspect of the present invention relates to the use of an HD cleaning machine equipped with the above-described spray lock, and optionally additionally having one or more of the above-described feature (s) for the proper cleaning of outdoor plastic floors.
  • These outdoor plastic floors consist essentially of PUR-bonded rubber fibers, rubber granules or granules of synthetic rubber, such as EDPM or these outdoor plastic floors contain at least one tread or wear layer of such material.
  • These outdoor plastic floors may be fall protection floors that meet the fall protection requirements of EN 1177 or equivalent elastic products.
  • the stored over time in the fall protection soil dirt particles and other foreign solid particles can be at least so far removed that the original fall protection properties are at least partially restored. In this way can be extended by applying the HD cleaning machine according to the invention in the cleaning of such fall protection floors their useful life. Similar results are achieved in the purification of other comparable elastic products of this type.
  • the HD cleaning machine 1 forms a mobile, self-propelled device remotely reminiscent of a self-propelled road roller or sweeper.
  • the machine 1 is to drive on a surface 2, namely on the surface of a Outdoor plastic floor to clean this.
  • the machine 1 moves on the surface 2 in the arrow direction of the arrow 3, which corresponds to the usual direction of travel or feed direction in a cleaning job.
  • the upper portion of the - seen in the direction of travel - rear (rear) part of the machine 1 are a number of controls 35, 35 ', 35 ", which are operable during operation of a, behind the machine 1 forth - not shown - operator.
  • the chassis 10 is constructed essentially of four-edge steel profiles which are welded together.
  • To these four-edge profiles include two lower parallel and spaced-apart side members 11 and 11 ', as well as correspondingly arranged upper side members 12 and 12', also in the side view Fig. 1 only indicated cross member 13, 14 and 15, further vertically oriented supports 16 and 17, and other struts and support members 18, 19 and 20.
  • the lower side rails 11 and 11 ' is a hanging bridge 21st attached to the one, provided with a differential gear 23 and driven by a hydraulic motor 24 drive shaft 25 is mounted, at the ends of each a drive wheel 26 is fixedly mounted.
  • Each drive wheel 26 has a steel rim 27 on which a strongly profiled pneumatic tire 28 is seated.
  • a hydraulic pump 32 is flanged, lead from the multiple hydraulic lines to a control block 33.
  • Various control valves not shown, which can be actuated by means of the operating levers 35, 35 ', 35 ", are actuated in this control block 33.
  • the hydraulic lines are indicated only schematically by means of their various connections 36.
  • the internal combustion engine 30 is assigned a motor vehicle battery 37. Further, a hydraulic fluid tank 38 is provided, which is also supported on the plate 29 ..
  • a cross member 13 is welded to which in turn a frame-like stem 40 is welded, which is formed of two parallel and spaced apart longitudinal beams 41 and 41' and a front cross member 42.
  • a longitudinal beam 41, 41 ' is a support 43, 43' down from, on the pivotally mounted a U-shaped bracket 44, 44 ', the legs of which hold an axis on which a support wheel 45, 45' is rotatably mounted
  • a U-shaped guide 46 is fixed, which is associated with a rotatably mounted spindle or threaded rod 47, which can be set by means of a hydraulic motor 48 in rotation.
  • a complementary U-shaped rail 98 is used, which is hinged to a frame 95 which is attached to the top of the cleaning head 70.
  • a nut 49 which is fixed to the rail 98. With the help of the rotating spindle 47, the detained nut 49 is adjusted laterally and thus the cleaning head frame 95 and the cleaning head 70 held thereon can be adjusted in the transverse direction with respect to the longitudinal central axis of the machine 1 and thus with respect to the feed direction.
  • a suction fan 50 is fixed between the two longitudinal beams 41, 41 ', which is associated with an only schematically indicated hydraulic motor 51 which drives the fan of the suction fan 50.
  • This suction fan 50 has an axially mounted and horizontally oriented suction port 55 and a radially mounted and vertically oriented pressure port 57.
  • To this suction port 55 is a large-volume, flexible hose 56 can be connected, with its remote end to the collection hopper 93 of the collector 88 is connected to the cleaning head 70.
  • To the pressure port 57 another, large-volume, flexible hose 58 is connected, whose distal end is connected to the air inlet 103 of the water tank 100.
  • HP pump high-pressure pump
  • a solenoid valve 63 is used, which is adjustable in dependence on the hydraulic medium supply of the drive wheel hydraulic motor 24 and the rotational speed of each drive wheel 26 achieved therewith.
  • the solenoid valve 63 assumes its closed position, the hydraulic fluid supply of the HP pump hydraulic motor 61 is interrupted and the HP pump 60 will not deliver water under high pressure conditions to the sprayer 75 in the cleaning head 70.
  • the HP pump 60 has a suction side 64 and a pressure side 66.
  • a flexible hose 65 is connected, via the pure water from the water tank 100 is approachable.
  • the HD pump suction side 64 can be supplied with fresh water from another source, if available.
  • a flexible HD hose 67 is connected, which leads to a multi-way valve 68, to which the two supply lines 69 and 69 'are connected, which are connected to the two Shaft heads 78 and 82 lead, which seal the two hollow shafts 77 and 81 of the spray device in the cleaning head 70 and rotate.
  • To another output of the multi-way valve 68 can be connected via a - not shown - longer flexible hose - not shown - manually operated spray lance, by means of which certain reworking can be carried out by hand for cleaning purposes, for example, such areas under a scaffold, which are not accessible with the HD cleaning machine.
  • the HD cleaning machine 1 includes a cleaning head 70, which is more in detail with the Figures 2 and 4 is shown.
  • This cleaning head 70 has a relatively flat (height typically less than 150 mm), substantially rectangular hood-shaped housing 71, which is open to the bottom surface 2 to be cleaned. At each housing corner is ever a roller 72, 72 ', 72 ", 72'” mounted vertically adjustable, which runs on the floor surface 2 to be cleaned.
  • a frame 95 is hinged, the distal end is pivotally mounted on a U-shaped rail 98, which in the U-shaped guide 46 on the stem 40 can be inserted.
  • the rail 98 is laterally adjustably guided and held within this guide 46, as described above.
  • an injection device 75 is formed, to which two hollow support beams 76 and 80 belong.
  • Each support beam 76 and 80 is arranged in the working position at a distance and substantially parallel to the surface 2 to be cleaned.
  • the one support beam 76 is held on a hollow shaft 77 which is sealed and rotatably supported on a shaft head 78.
  • the other support beam 80 is held on a hollow shaft 81 which is sealed and rotatably supported on a shaft head 82.
  • Each spray nozzle 79 and 79 'and 83 and 83' is here designed as a spot jet nozzle and has a straight, circular through-bore with a bore diameter of about 0.8 mm.
  • Each shaft head 78 or 82 can via the respective supply line 69 and 69 'water be supplied under HD conditions, which passes through the hollow shaft 77 and 82 and the respective hollow support beam portion to the spray nozzle and emerges at the outlet end in an undivided spray jet. It is believed that at the outlet end of each spray nozzle 79 and 79 'and 83 and 83' still a water pressure of about 200 to 250 bar prevails.
  • Each spray nozzle 79 and 79 'or 83 and 83' is slightly inclined in both orthogonal spatial directions relative to the vertical.
  • the resulting alignment of the spray jets produced with these spray nozzles is schematically shown in FIGS 4 and 5 indicated.
  • Each spray jet encloses an angle ⁇ in the direction of rotation with the vertical (cf. Fig. 4 ) and is perpendicular to this direction of rotation outwardly inclined relative to the vertical by an angle ⁇ (see. Fig. 5 ).
  • the angle ⁇ is about 45 °, whereby a sufficient torque for rotation of the support beams 76 and 80 is generated.
  • the angle .beta. Is approximately 1.degree.
  • the two hollow shafts 77 and 81 are arranged in a plane transverse to the feed direction and at a distance from one another in such a way that the annular surfaces sprayed by these two spray nozzles touch each other, even in the most closely spaced spray nozzles 79 'and 83. but do not overlap, like out Fig. 5 seen.
  • This spraying device 75 is bounded by vertically aligned bristles 85, which terminate at a small distance from the surface 2 to be cleaned. These bristles 85 are disposed in an oval rim 86 which encloses the respective orbits of the spray nozzles 79 and 79 'and 83 and 83' on the rotating support beams 76 and 80, respectively.
  • each corner of the substantially rectangular housing of the cleaning head 70 is ever a separate role 72, 72 ', 72 "and 72'” arranged vertically adjustable, with the help of the cleaning head 70 can drive on the surface to be cleaned 2.
  • a roller arrangement is selected that the outlet openings of the spray nozzles 79, 79 'and 83, 83' are kept at a distance of about 40 mm to the surface 2 to be cleaned.
  • This spraying device 75 is surrounded by a collecting device 88 which has a collecting channel 89 which forms a closed oval and is open towards the surface 2 to be cleaned.
  • This collecting channel 89 is outwardly bounded by an outer leg 90 formed by the vertically aligned cleaning head housing wall section and an inner leg 92 spaced therefrom; in the lateral direction of this inner leg 92 is arranged approximately at a distance of 20 mm, and to the rear at a distance of about 70 mm. Both legs 90 and 92 terminate at a distance of about 30 to 50 mm to the surface to be cleaned 2.
  • This collecting channel 89 opens into a collecting hopper 93, which is located in the feed direction 3 behind the spraying device 75.
  • This collecting funnel 93 is connected via a large-volume, flexible hose piece 56 to the suction port 55 of the suction fan 50.
  • the hopper outlet port and the flexible hose 56 have an inner diameter of about 150 mm.
  • a lip 91 may be attached made of flexible material, which can be towed over the surface 2 to be cleaned. Such a lip 91 inhibits the entry of sucked air, so that such air is increasingly sucked from the other portions of the collecting channel 89.
  • the cleaning head 75 described above is articulated via a frame 95 on the stem 40 of the remaining HD cleaning machine 1 so that the cleaning head 70 running on its own rollers 72, 72 ', 72 "and 72' can compensate for differences in height to the rest of the machine 1.
  • the frame 95 comprises a plurality of struts 96, 96 ', 96 ", which are articulated on the one hand on the upper side of the cleaning head housing 71 and on the other hand pivotally hinged to a U-shaped rail 98, with their legs in an open, U-shaped guide 46th can be used, which is mounted at a suitable height on the stem 40 of the machine 1. Within this guide 46, the rail 98 can be adjusted laterally, as described above.
  • the Fig. 6 shows a schematic side view of another embodiment of the HD cleaning machine 1, to which a second, mobile and hand-held cleaning head 170 is additionally connected.
  • This second, mobile cleaning head 170 such areas in the vicinity of the cleaning machine 1 are cleaned, which are not accessible to this cleaning machine 1.
  • This second mobile cleaning head 170 is equipped in substantially the same way with a spraying device (not shown in detail) and with a collecting device (not shown in detail), like the cleaning head 70 described above.
  • the cleaning head 170 processes a smaller working surface than the cleaning head 70 and is equipped only with a single rotating support beam to which two nozzles are mounted stationary.
  • the spraying device on the mobile cleaning head 170 is connected via a flexible hose 169 to the HP pump 60 on the HD cleaning machine 1.
  • the collecting device on the mobile cleaning head 170 is connected via a further flexible, large-volume hose 165 to the suction fan 50 on the HD cleaning machine 1.
  • a length of about 10 to 15 meters may be provided for each of these tubes 169 and 156.
  • both hoses 169 and 156 can be combined in a common, flexible - not shown - hose device.
  • the mobile cleaning head 170 is supplied via the hose 169 with HD splashing water, and disposed of via the hose 156.
  • surfaces can be cleaned that are unreachable by the comparatively large HD cleaning machine 1.
  • the HD cleaning machine 1 is additionally equipped with a water tank 100.
  • this water tank 100 has substantially the shape of an elongated rectangular box which is supported on the chassis 10 above the other units.
  • this water tank 100 is made of aluminum and has a capacity of about 300 liters of water.
  • the here visible side wall of the water tank 100 is shown partially broken away to show a view of the interior.
  • an inlet stub 58 to which a large-volume, flexible hose 58 is connected, with its other end to the pressure port 57 of the suction fan 50th connected.
  • the ceiling wall 101 of the water tank 100 On the inside of the ceiling wall 101 of the water tank 100 are suspended vortex plates 105 are attached, which extend over the entire cross section of the water tank 100. Over the entire length of preferably 170 cm, for example, five spaced apart vortex plates 105 are provided, which may have a height of about 70 to 100 mm. These swirl plates force a turbulent flow on the passing stream of compressed air.
  • the ceiling wall 101 of the water tank 100 is equipped with a perforated portion 102 in the form of a screen, grate or the like, via which the compressed air introduced into the water tank 100 exits again.
  • the compressed air introduced into the water tank 100 On their way from the inlet port 103 to the broken section 102, the compressed air introduced into the water tank 100 follows a tortuous path adjacent to the vortex plates 105. Along this path, water droplets, dirt particles and other foreign solid particles are separated from the compressed air flow and enter the water tank 100 Water.
  • the perforated section 102 may be preceded by an air filter (not
  • the water tank 100 serving as a dirt collector sink or gutter 108 is formed, from which heavily polluted water can be discharged through an adjustable slide 109.
  • this front portion of the water tank 100 are one or more filtering devices.
  • Well proven has a filter in the form of a filter cartridge 110, which is equipped with a cylindrical filter layer 111.
  • the water to be taken out of the water tank 100 enters this filter candle 110 via a porous outer wall.
  • a valve 113 may be used.
  • pipe end 114 of the hose 65 is connected, via the pure water from the water tank 100 of the suction side 64 of the HP pump 60 can be fed.
  • about 300 liters of water may be introduced into the water tank 100.
  • about 15 to 20 liters of water per minute are needed.
  • the suction air flow generated by the suction fan 60 takes on the collector 88 a large part of the sprayed onto the surface to be cleaned 2 water again, together with the thus released dirt particles and other solid particles.
  • Water and dirt particles / solid particles are introduced into the water tank 100 together with the compressed air flow in an anhydrous section below the ceiling wall 101.
  • the majority of the droplet-shaped, liquid water is excreted again and separated.
  • the HD cleaning machine 1 with a one-time filling of the water tank 100 with about 250 liters of water and a water consumption for cleaning purposes of about 15 to 20 liters / min within about 60 to 80 minutes cleaning job an area of about 50 m 2 to 150 m 2 of the outdoor plastic floor 2 are cleaned properly.
  • the HD cleaning machine works independently and is not dependent on external support.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (11)

  1. Machine de nettoyage à haute pression (1) mobile pour sols en plastique extérieurs avec un train de roulement (10) doté de plusieurs roues, dont au moins une roue d'entraînement (26) peut être entraînée par un moteur pour déplacer la machine (1) avec une vitesse de travail définie sur la surface de sol à nettoyer (2) ;
    où sont attachés de manière articulée à ce train de roulement (1) :
    - une tête de nettoyage (70) avec
    -- un boitier en forme de dôme (71), ouvert dans le sens de la surface de sol (2) à nettoyer, dans lequel/auquel se trouvent :
    -- un dispositif de projection d'eau (75) pour projeter de l'eau sur la surface de sol (2) à nettoyer sous des conditions de haute pression ; et
    -- un dispositif collecteur (88) pour collecter au moyen d'air aspirant de l'eau diffusée ainsi qu'une bouillie d'eau, de particules de salissure et d'autres particules solides et pour les éliminer du boîtier (71) ; et
    où à ce train de roulement (10) il y a en outre au moins :
    - un réservoir d'eau (100) ;
    - une pompe à haute pression (60) prenant de l'eau du réservoir d'eau (100) et le transportant sous des conditions de haute pression au dispositif de projection d'eau (75) ;
    - un ventilateur d'aspiration (50) dont le port d'aspiration (55) est connecté au dispositif collecteur (88) ; et
    - une unité moteur avec au moins un entraînement de roue d'entraînement (24), un entraînement de ventilateur d'aspiration (51) et un entraînement de pompe à haute pression (61) ;
    caractérisé en ce que
    la machine de nettoyage à haute pression (1) est en outre équipée d'un arrêt de projection d'eau adapté en tant qu'accouplement entre l'entraînement de roue d'entraînement (24) et l'entraînement de pompe à haute pression (61) assurant que la pompe à haute pression (60) ne transporte de l'eau au dispositif de projection d'eau (75) sous des conditions à haute pression que quand la machine de nettoyage à haute pression (1) se déplace sur la surface de sol à nettoyer (2) avec une vitesse de travail définie, l'arrêt de projection d'eau pouvant au besoin être mis hors service par un opérateur.
  2. Machine de nettoyage à haute pression selon la revendication 1,
    caractérisé en ce que
    la machine de nettoyage à haute pression (1) est adaptée pour une vitesse de travail de 5 à 15 m/min.
  3. Machine de nettoyage à haute pression selon les revendications 1 ou 2,
    caractérisé en ce que
    l'unité de moteur comprend un moteur à combustion interne (30) qui entraîne une pompe hydraulique (32) pour guider un moyen hydraulique fluide de manière forcée dans un circuit de moyen hydraulique auquel sont connectés respectivement un moteur hydraulique (61) de la pompe à haute pression (60), un moteur hydraulique (51) du ventilateur d'aspiration (50) et un moteur hydraulique (24) de la roue d'entraînement (26) ou des roues d'entraînement.
  4. Machine de nettoyage à haute pression selon la revendication 3,
    caractérisé en ce que
    une vanne électrique (63) est logée dans la conduite d'alimentation pour le moyen hydraulique (62) menant au moteur hydraulique de la pompe à haute pression (61) qui n'est ouverte que quand le moyen hydraulique agit sur le moteur hydraulique de la roue d'entraînement (24) pour déplacer la machine de nettoyage à haute pression (1) sur la surface à nettoyer (2) avec la vitesse de travail définie.
  5. Machine de nettoyage à haute pression selon les revendications 1 ou 2,
    caractérisé en ce que
    un moteur électrique propre est prévu respectivement pour l'entraînement de la pompe à haute pression, du ventilateur d'aspiration et de la roue d'entraînement ; et une commande réciproque est prévue pour commander le moteur électrique de la pompe à haute pression et le moteur électrique de la roue d'entraînement pour assurer que la pompe à haute pression ne transporte de l'eau au dispositif de projection d'eau que sous des conditions de haute pression quand la machine de nettoyage à haute pression se déplace sur la surface de sol à nettoyer avec au moins la vitesse de travail définie.
  6. Machine de nettoyage à haute pression selon une des revendications 1 à 5,
    caractérisé en ce que
    le dispositif de projection d'eau (75) comprend deux poutres porteuses (76, 80) creuses arrangées l'une à côté de l'autre dans le sens de déplacement, supportées de manière rotative par un arbre creux (77, 81) arrangé au centre en alignement vertical ;
    une buse respective (79, 79') et (83, 83') est arrangée à l'extrémité respective de chaque poutre porteuse (76, 80) de sorte qu'un jet d'eau est dirigé sur la surface de sol à nettoyer (2) ; et
    des buses (79', 83') qui s'approchent passent l'une devant l'autre à faible distance.
  7. Machine de nettoyage à haute pression selon la revendication 6,
    caractérisé en ce que
    chaque poutre porteuse creuse (76, 80) est liée à l'arbre creux associé via un système de changement rapide qui permet un remplacement rapide d'une poutre porteuse présentant un type spécifique de buses par une autre poutre porteuse présentant un autre type de buses.
  8. Machine de nettoyage à haute pression selon les revendications 6 ou 7,
    caractérisé en ce que
    chaque buse de passage est arrangée de sorte que son ouverture de passage est légèrement inclinée dans les deux sens spatiaux orthogonaux par rapport à la verticale, pour
    a) générer au moyen du jet d'eau expulsé un couple mettant en rotation chaque poutre porteuse (76, 80) ; et pour
    b) former au moyen des deux buses (79, 79') à ladite une poutre porteuse (76) une surface en anneau circulaire arrosée qui avoisine l'autre surface en anneau circulaire arrosée par les deux buses (83, 83') à l'autre poutre porteuse (80) sans chevauchement.
  9. Machine de nettoyage à haute pression selon une des revendications 6 à 8,
    caractérisé en ce que
    la tête de nettoyage (70) fixée à la machine de nettoyage à haute pression (1) de manière articulée roule sur des rouleaux propres arrangés de manière réglable en hauteur (72, 72', 72", 72"') qui maintiennent l'ouverture de sortie des buses (79, 79' ainsi que 83, 83') à une distance d'environ 30 à 60 mm par rapport à la surface à nettoyer (2).
  10. Machine de nettoyage à haute pression selon une des revendications 1 à 9,
    caractérisé en ce que
    la pompe à haute pression (60) est adaptée pour une pression de sortie de la pompe de 200 à 500 bar;
    le ventilateur d'aspiration (50) est adapté pour un débit de 25 à 40 m3 d'air/min. ; et avec une quantité d'eau introduite dans le réservoir d'eau (100) d'environ 250 litres et où avec une demande en eau du dispositif de projection d'eau (75) d'environ 20 litres/min. à des fins de nettoyage durant un travail de nettoyage continu avec une vitesse de travail moyenne d'environ 7 m/min. avec une seule remplissage du réservoir d'eau une surface (2) d'environ 50 à 150 m2 peut être nettoyée.
  11. Utilisation d'une machine de nettoyage à haute pression
    selon une des revendications 1 à 10,
    pour le nettoyage conforme aux règles d'un sol en plastique extérieur qui consiste essentiellement en fibres de caoutchouc liées à du PUR, des granules de caoutchouc ou des granules de caoutchouc de synthèse, comme par exemple du EDPM, ou qui comprend au moins une couche d'utilisation ou d'usure configurée de cette manière.
EP10000640.2A 2009-01-26 2010-01-22 Machine de nettoyage mobile haute pression pour sols en plastique extérieurs et son utilisation Active EP2210982B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009006146A DE102009006146A1 (de) 2009-01-26 2009-01-26 Fahrbare HD-Reinigungsmaschine für Outdoor-Kunststoffböden, und deren Anwendung

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EP2210982A3 EP2210982A3 (fr) 2017-12-20
EP2210982B1 true EP2210982B1 (fr) 2018-11-14

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DE102013204386A1 (de) * 2013-03-13 2014-09-18 HORIZON CAPITAL INVESTMENT GmbH Straßenreinigungsfahrzeug
US10858792B2 (en) * 2018-06-08 2020-12-08 Annihilator Cleaning Equipment, LLC Pavement marking cleaning system
EP3772552A3 (fr) * 2019-08-08 2021-06-30 Albert Leitner Sol composite poreux et dispositif de nettoyage
CN110761233B (zh) * 2019-11-18 2024-07-16 南通威而多专用汽车制造有限公司 大型高压水射流清除作业工程车
CN110879597A (zh) * 2019-12-09 2020-03-13 佛山市云米电器科技有限公司 一种扫地机器人及使用其的轨道探测控制清扫方法
CN111287132A (zh) * 2020-04-17 2020-06-16 上海亮土智能科技有限公司 一种联动式高压清洗抽吸装置
CN113155975A (zh) * 2021-04-01 2021-07-23 北京航空航天大学 一种塑料及复合材料结构的损伤监测和在线维修系统
CN113622357A (zh) * 2021-08-27 2021-11-09 深圳市易立城建设工程有限公司 一种清扫道路的清洁设备
CN114795008A (zh) * 2022-03-09 2022-07-29 山西嘉世达机器人技术有限公司 吸尘器地刷和吸尘器
CN115478508B (zh) * 2022-08-02 2024-06-14 华侨大学 一种基于模糊控制的道路标线高压清洗系统及其清洗装置
CN116351749B (zh) * 2023-04-07 2024-05-24 合肥固泰自动化有限公司 一种自动除尘的自动装车车辆轮廓检测装置
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Publication number Publication date
DE102009006146A1 (de) 2010-07-29
EP2210982A3 (fr) 2017-12-20
EP2210982A2 (fr) 2010-07-28

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