EP2920371B1 - Device for cleaning surfaces - Google Patents

Device for cleaning surfaces Download PDF

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Publication number
EP2920371B1
EP2920371B1 EP13786429.4A EP13786429A EP2920371B1 EP 2920371 B1 EP2920371 B1 EP 2920371B1 EP 13786429 A EP13786429 A EP 13786429A EP 2920371 B1 EP2920371 B1 EP 2920371B1
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EP
European Patent Office
Prior art keywords
steam
cleaned
working direction
heating element
cleaning
Prior art date
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Application number
EP13786429.4A
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German (de)
French (fr)
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EP2920371A1 (en
Inventor
Johannes Martin JUCKER
Slavko LAZEVSKI
Jürg Walter SOLENTHALER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zaugg AG Eggiwil
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Zaugg AG Eggiwil
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Publication date
Application filed by Zaugg AG Eggiwil filed Critical Zaugg AG Eggiwil
Priority to SI201330695T priority Critical patent/SI2920371T1/en
Publication of EP2920371A1 publication Critical patent/EP2920371A1/en
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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
    • E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • E01H1/056—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes
    • 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

Definitions

  • the present invention relates to a device and a method for the cleaning of surfaces, in particular of floors and floor coverings.
  • a cleaning tool in the form of a circular-shaped brush is attached to a cantilever.
  • the cleaning medium used is a mixture of steam and cleaning agent.
  • the cleaning tool can be driven by a gear.
  • the steam is generated in a steam generator outside the device and is supplied via a hose line of the device.
  • the cleaning agent is added to the steam.
  • This device is tied to an electrical supply line, which must be tightened again and again. Therefore, the operating radius of this device is limited.
  • EP 1 491 129 A1 For example, a method and apparatus for generating a mixture of water vapor and a liquid detergent is described. This mixture can be supplied via a flexible hose a floor cleaning machine or a cleaning lance.
  • WO 2004/017805 A1 described methods for cleaning floor surfaces, steam and cleaning liquid are applied together before the active surface of a cleaning tool, which has the form of rotating, annular brushes.
  • the cleaning liquid can be applied in heated form.
  • a mobile floor cleaning device is described. In this device, the opening for the outlet of steam and then the opening for the outlet of cleaning liquid in front of the cleaning tool are arranged in the working direction first.
  • This mobile floor cleaning device is bound to an electrical supply line, which must be tightened again and again. Therefore, the range of action of this floor cleaning device is limited.
  • a cleaning socket for a street cleaning device is in DE 10 2005 020018 A1 described.
  • the inventive device and the inventive method are suitable for the cleaning of surfaces of largely arbitrarily structured soils, especially paved traffic areas, such as streets, squares, floors in stations, waiting halls, industrial floors, traffic areas, which are used by aircraft.
  • paved traffic areas such as streets, squares, floors in stations, waiting halls, industrial floors, traffic areas, which are used by aircraft.
  • the "working direction” is the direction in which the mobile platform moves during cleaning.
  • the heating element B is typically connected to at least one hot steam generator, which in turn is connected to a fresh water tank and a pressure water pump by means of at least one connecting line.
  • the heating element B and the hot steam generator are typically connected to a central control and monitoring unit which controls the respectively required heating of the surface to be cleaned.
  • the steam is used to warm up the surface to be cleaned and possibly to dissolve and / or soften soiling, while no or at most only a slight mechanical removal of dirt by the vapor pressure occurs.
  • the steam thus acts at least largely non-abrasive.
  • the element C for the mechanical treatment of the surface to be cleaned is typically connected to such an electrical control, which controls the control of said respective sub-elements individually with respect to rotation, direction of rotation, speed and ground pressure.
  • the element D may be connected via a suction line with a closed container 4 for receiving the dirt particles and the condensed water, said closed container is connected to an element which generates a vacuum, for. B. a suction pump.
  • the element D, the suction line and the container for Recording the dirt particles and the condensed water can be connected to such a central control and monitoring unit which controls the vacuum required in the element D, in the suction line and in the container.
  • the elements B, C, D can be fixed to a support plate, said support plate to be fixed floating on the mobile platform in height adjustable.
  • the element B is attached to the mobile platform via the element C.
  • the element C can be waived in whole or in part on a height-adjustable and floating storage.
  • the mobile platform can be, in particular, an available municipal transporter or else one or more special vehicles.
  • the device is realized by one or more compact modules, which can be easily mounted on the mobile platform and separated from the mobile platform.
  • the interfaces to the mobile platform can be designed for rapid assembly and disassembly without the generally available tools such as wrenches, etc.
  • a device according to the invention can be used in particular for carrying out a cleaning method according to the invention, special designs, extensions and modifications of the device being reflected in corresponding refinements, extensions and modifications of the cleaning method. Therefore, certain embodiments of the device also disclose corresponding methods, even if not explicitly mentioned. In an analogous manner, described method steps reveal at the same time corresponding embodiments of a device according to the invention.
  • a spray element A for the application of at least one cleaning agent, in particular a chemical cleaning agent, is arranged on the surface to be cleaned.
  • the spray element A can be connected via connecting lines to various storage containers in which different cleaning agents are contained, wherein the spray element A is connected to such a central control and monitoring unit which controls the optional addition of the respectively required amount of necessary cleaning agent.
  • the number of storage containers and the stored detergent depends on the field of application or the fields of application of the device.
  • completely or partially independently operating spray devices A are provided for the application of various cleaning agents.
  • the cleaning agent is aspirated together with the condensed vapor and the pollution by element D.
  • the heating element B has a vapor exit barrier arranged on the outside or on the circumference of the vapor field, which counteracts the escape of water vapor from the surface to be cleaned.
  • the steam outlet barrier is typically arranged on the outside or on the circumference of the steam field and prevents escape of steam from the surface to be cleaned. This ensures that essentially only the surface to be cleaned is subjected to steam and that in particular no or only a small or negligible amount of steam exits the volume located between the vapor field and the surface to be cleaned.
  • loss steam Such undesirable escaping steam, which does not contribute to the heating and cleaning of the surface to be cleaned, is referred to herein as loss steam.
  • the loss of steam increases the amount of steam to be supplied, which increases the amount of water to be carried and consumed; Furthermore, the loss of steam requires a more powerful design of the or the hot steam generator (s). Furthermore, the additional energy required to produce the loss steam reduces the energy efficiency of the device.
  • the technical realization of the steam outlet barrier can be done in various ways. It is possible, for example, arranged on the sealed edges of the steam field mechanical seal, such as in the form of rubber lips or a circumferential labyrinth seal or a series of resting in operation on the surface to be cleaned sealing brushes.
  • a further, alternative or additional embodiment of the steam outlet barrier consists in a suction device, which sucks excess steam along the edges of the steam field.
  • the extracted steam is fed to a waste water tank, a fresh water tank or a steam generator coupled to the steam field.
  • the extracted steam can be condensed in the simplest case and fed to a waste water tank, which may be the tank, which also receives the vapor condensed at the bottom and the contaminants.
  • the extracted steam is used further;
  • the steam outlet barrier can be designed such that the extracted steam passes through a condenser and optionally a purification stage and the resulting water to the fresh water tank, which stores the water for the steam field, or directly to the one or more hot steam generators.
  • the device comprises a device for heat recovery from the extracted steam, for example a heat exchanger.
  • the heat exchanger can be arranged, for example, directly in or in thermal contact with the fresh water tank.
  • a further alternative or additional embodiment of the vapor escape barrier comprises a fluidic displacement device which displaces the vapor from the circumference of the vapor field to its interior.
  • a displacement device may comprise, for example, an arrangement of inwardly directed steam nozzles or other directed steam outlet openings.
  • a fluidic displacement device comprises a compressed air device which blows compressed air onto the surface to be cleaned along the edges to be sealed. By this measure, forms along the edges to be sealed an air curtain, which counteracts a steam outlet.
  • the steam field comprises a steam homogenizer, which is designed to ensure at least substantially homogeneous and uniform steaming of the surface to be cleaned.
  • the steam homogenizer consists, for example, of a planar structure which has the dimensions of the steam field and is mounted in the flow direction of the steam between the steam outlet openings and the surface to be cleaned. Through this, the steam is passed in the transverse direction, before striking the surface to be cleaned, while evenly distributed in the homogenizer over the surface.
  • the steam homogenizer comprises a flat and porous, sponge-like material or a flat fabric, for example a flat stainless steel mesh, a mesh, a mesh structure or the like.
  • the device includes a collision stop device operably coupled or coupleable to a drive of the mobile platform and configured to automatically stop the drive of the device when it collides with an obstacle and / or threatens a collision with an obstacle.
  • the device includes a collision stop device.
  • This is functionally coupled with or designed for such coupling with the drive of the mobile platform, for example the carrier vehicle, and causes the device to be automatically stopped when the device collides in the working direction with an obstacle and / or such a collision threatening.
  • the collision stop device can comprise one or more sensors, for example in the form of electrical switching contacts, reflex light barriers, capacitive proximity sensors, optical triangulation distance sensors or the like as sensor elements for detecting an acute or imminent collision, it also being understood that a combination of different sensors is possible.
  • the one or more sensors of the collision stop device are typically arranged in the working direction at the front of the device in the working direction.
  • the collision stop device is particularly useful when used in confusing or highly structured environment, such as the interior of warehouses, underground garages, parking garages or the like.
  • the anti-collision device in particular reduces collision risks or canceled, which arise due to the comparatively large required length in the direction of work and thus limited driver's view.
  • the device comprises a length reduction device, which is coupled to the heating element B, that by its control, the heating element B is moved from a working position to a transport position, wherein in the transport position, a Mass to which the heating element B in the working direction over protrudes the element for mechanical processing C, is reduced or canceled over the working position.
  • the length reduction device comprises a Ruuchsvörraum, which is adapted to retract the heating element (B) with respect to the element for mechanical processing (C) against the working direction or to move against the working direction.
  • the distance of the heating element relative to the substrate or the surface to be cleaned changed and the heating element (B), for example, be raised.
  • the retraction device additionally acts as a lifting device.
  • the heating element (B) is in transport position above the element for mechanical processing (C) and has to this a small distance or is on the element for mechanical processing (B), for example on the brush box on.
  • the orientation of the heating field (B) is parallel to the brush box, so that the brush box and heating field (B) in the transport position form a compact unit whose dimensions, apart from the small additional height of the heating element (B), substantially correspond to those of the brush box ,
  • Such an arrangement of the steam field makes it possible, in particular, to reduce the total length of the device by the length of the steam field during the ascent to or departure from or at the place of work or at the place of use and thus to improve the maneuverability and the driver's view.
  • the heating element performs during the movement of the working position into the transport position, for example, a circular shift, that is, a translational movement along a circular arc.
  • hot steam pipes which supply the hot steam to the steam field also serve as a retraction device.
  • the housing of the steam box is mounted on the hot steam pipes on the brush box and is rotated or pivoted by means of a driven rotation of the hot steam pipes on the brush box.
  • the retraction device by a separate kinematic arrangement, for example a linkage. This may be advantageous, for example, if the heating element is relatively heavy and / or the steam is to be supplied through hoses.
  • the drive for moving the heating element may for example be designed hydraulically; In principle, however, a pneumatic or electric drive and a manual drive are possible.
  • the steam field is foldable, for example accordion-like design, whereby the working position of a deployed and the transport position corresponds to a folded configuration.
  • the length reduction device comprises a retraction device in the form of a rail arrangement, through which the Heating element B can be withdrawn under the device for mechanical processing C for transport.
  • the heating element B has the heating element B in the transport position with respect to the ground or the surface to be cleaned and the element for mechanical processing C a changed orientation.
  • the heating element B for transport before the element for mechanical processing B, for example, the brush box, vertically upwards in a transport position in which it is compared to the working position to z. B. is tilted 90 °.
  • the heating element z. B. to pivot about a vertical axis laterally in a transport position under the element for mechanical processing.
  • the element is an element for suction in its suction power continuously or in step controllable or adjustable.
  • a controllable, controllable, or generally adjustable suction power is particularly advantageous when the device is put into operation in a heating phase in order to temporarily draw off liquid water emerging from the steam outlet openings of the steam field in the heating phase of the hot steam generator or steam generators
  • the device includes filter means coupled to the aspiration element for filtering debris.
  • filter means coupled to the aspiration element for filtering debris.
  • solid dirt particles can be collected separately, such as in a dirt drawer.
  • a cyclone separator for filtering out the dirt particles, for example, a cyclone separator of basically known type is suitable.
  • the device comprises a cleaning device for cleaning the extracted water, wherein the cleaning device is coupled to the device for suction D and a collecting container.
  • the cleaning device is coupled to the device for suction D and a collecting container.
  • sufficiently good cleaning can serve as a container directly the fresh water tank, which stores the fresh water for steam generation.
  • Other or alternative facilities for physical, biological or chemical cleaning or treatment of the water can also be provided if necessary.
  • the element for machining the surface to be cleaned by means of adjustable casters is equipped, in particular with at least six casters, which are adjustable in height.
  • the spray element A is adjustably fixed in height and in inclination and has at least four nozzles, each nozzle preferably having a drip-preventing valve.
  • the heating element B has at least two independent, horizontally arranged, hot steam pipes, which have openings for the discharge of hot water vapor on the sides, which face the surface to be cleaned.
  • cleaning-carrying tubes are present in the interior of the heating element B in a serpentine arrangement, wherein the tubes on the bottom at regular intervals have holes through which the detergent can flow down to the surface to be cleaned.
  • the heating element B is secured on its upper side by means of a gimbal joint to a support frame, which ensures the necessary pitching and yawing movements of the heating element B.
  • the individual sub-elements in the element C for machining the surface to be cleaned are rotating cylindrical brushes with axes arranged horizontally transversely to the working direction, each brush being individually fastened to a single support, each support slidably arranged in the working direction Parallelogram suspension is attached to the brush box C.
  • a downwardly directed tab is laterally attached to each support in the working direction on both sides, wherein the first tab, which is arranged on the side of the driver's seat, the support for the axis of the brush roller, and wherein on the opposite second tab, a hydraulic direct drive is attached, which drives the brush roller.
  • such an embodiment is located in the spaces between the brush rollers at least one additional hot steam pipe, which has on the side facing the surface to be cleaned, openings for the discharge of hot water vapor, said hot steam tube of the application of
  • Hot steam and at least one detergent on the surface to be cleaned is used. Further, between the last brush roller and the inside arranged in the direction of the rear end wall of the brush box on a Schwemmrohr at least three holes through which water can escape, with which the surface to be cleaned can be wetted.
  • the element D for sucking the dirt particles and the cleaning agent and the condensed water from the cleaned surface has the shape of a working direction forward crescent-shaped or U-shaped hollow body which is sealed against the surface to be cleaned, and wherein this element D is fixed to the brush box C by means of a dragging parallelogram suspension in the working direction.
  • the element that creates a vacuum has an upward opening for the air outlet.
  • each preferably existing hot steam generator has a power of at least 50 kW.
  • a flexible seal located between the heating element B and the element C for mechanical processing of the surface to be cleaned, a flexible seal, which has the shape of a bead in cross-section, and is preferably made of rubber.
  • a preferably existing Schwemmrohr 16 is connected via connecting lines with the preferably existing fresh water tank, wherein the fresh water tank is connected to generate the required working pressure with a pressure water pump.
  • injector valves are present on the heating element B, through which additional cleaning agent from existing in some embodiments storage containers 2 a, 2 b, 2 c, 2 d can be fed into the hot steam pipes leading.
  • FIGS. 1 to 4 the working direction is shown with an arrow.
  • a carrier vehicle for the inventive device a commercial municipal transporter with continuous hydrostatic drive, which at nominal speed of the drive motor, a minimum operating speed of, for example, ⁇ 1 km / h allowed to be used.
  • Suitable carrier vehicles are, for example, the vehicles of the Ladog T1150 to T1550 series from Ladog-Fahrzeugbau andreas GmbH in D-77736 Zell am Harmersbach / Germany.
  • the mobile platform could be a special vehicle.
  • the mobile platform may alternatively be provided by an autonomous, i. H. driverless moving mobile platform are formed, which z. B. departs a wholly or partially pre-planned cleaning path.
  • a mobile platform which in contrast to the embodiments shown here is not automotive, so is self-propelled, but is designed for example as a vehicle trailer or even by a person, possibly assisted by motor, pushed.
  • These elements A, B, C, D can be raised for transport purposes optionally by means of existing on the carrier vehicle oil hydraulic system 1.
  • four storage containers 2a, 2b, 2c, 2d for the cleaning agents, two hot steam generators 3a, 3b, the dirty water tank 4 and the device 5 for generating are on the rearward tiltable loading surface F of the carrier vehicle, which is located behind the driver's cab E of electrical energy installed in a demountable support frame 6.
  • the spray element A is preferably fixed in height adjustable in inclination and has for example at least four nozzles 7, wherein each nozzle 7 preferably has a dripping preventing valve.
  • the heating element B for heating the surface to be cleaned is made of stainless steel and has the shape of a downwardly open trough and represents the actual steam field B.
  • a (not shown) Dampfhomogenisierer may optionally be present.
  • the heating element B is preferably movable to the element C for mechanical processing of the surface to be cleaned, ie the brush box C, grown.
  • the heating element B can preferably be lifted separately by means of oil hydraulics 1 for transport purposes and is up to a tilt angle of max. 45 ° laterally and independently suspended pendulum.
  • the distance between the bottom and steam field B can be adjusted by means of height-adjustable casters 8 and stop buffers on the brush box C.
  • heating element B In the interior of the heating element B are preferably horizontally at a distance of a few centimeters to the surface to be cleaned hot water steam pipes 9 secured in a serpentine arrangement.
  • These tubes 9 have on the bottom at regular intervals steam outlet openings in the form of holes through which the hot steam flows down to the surface to be cleaned and heats the surface to be cleaned to the temperature required for the cleaning process.
  • An unillustrated Dampfhomogenisierer may be arranged in the form of a flat stainless steel mesh below the holes.
  • the required hot steam is generated by way of example in the two hot steam generators 3a, 3b.
  • the heating element B can also horizontally at a distance of a few centimeters to the surface to be cleaned detergent leading tubes 33 in be secured snaking line arrangement. These tubes 33 have on the bottom at regular intervals holes through which the detergent flows down to the surface to be cleaned.
  • heating element B injector valves may additionally be present, which allow additional detergent from the storage containers 2 a, 2 b, 2 c, 2 d feed into the hot water vapor-carrying tubes 9.
  • the edge of the steam field B can be shielded from the outside by means of a vapor escape barrier in the form of suitable sealing profiles or sealing brushes so that as little steam as possible can escape from the space above the surface to be cleaned. Also possible are other vapor escape barriers shown in the general description of the invention, such as a fluidic air curtain.
  • the brush box C preferably covers the entire working width of, for example, 1250 mm and in particular has the shape of an upwardly closed box.
  • the brush box C is made of a stable sheet metal construction.
  • the brush box C is down, ie against the surface to be cleaned, open.
  • the brush box C In the interior of the brush box C are, for example, two, preferably three, independently suspended brush carrier frame 10a, 10b, 10c, which in turn transversely to the direction horizontal arranged and rotating brush rollers 11 a, 11 b, 11ctragen.
  • Suitable brush rollers 11a, 11b, 11c are available, for example, from Zeintra AG in CH-9500 Wil (SG) / Switzerland.
  • the brush carrier frame 10a, 10b, 10c are by means of two oil hydraulic cylinders and four carriers in a parallelogram, slid in the direction seen, attached to the brush box C.
  • the movable storage of the parallelogram is based on, for example, Rosta® rubber spring elements.
  • the individual brush carrier frames 10a, 10b, 10c can be adjusted in height with respect to the brush box C in an oil-hydraulic manner.
  • the individual contact pressure of the brush carrier frames 10a, 10b, 10c and thus of the brush rollers 11a, 11b, 11c can be loaded and unloaded by means of an electro-hydraulic control 12.
  • the brush rollers 11 a, 11 b, 11 c installed in the brush carrier frames 10 a, 10 b, 10 c each have a hydraulic direct drive 13 a, 13 b, 13 c by means of a hydraulic motor.
  • These hydraulic motors 13a, 13b, 13c can each be individually adjusted independently of each other in the direction of rotation and speed.
  • the arrangement of the brush rollers 11a, 11b, 11c and the corresponding direct drives 13a, 13b, 13c are designed in the brush box C so that at least on the left side, in the working direction of the host vehicle, the brush rollers 11a, 11b, 11c as close as possible to the Edge of the surface to be cleaned can be driven. This allows, except for a few centimeters, the cleaning of surfaces which are bounded by walls, belt curbs and the like.
  • Hydraulic drives are typically found in the use of a carrier vehicle shown here by way of example. Depending on the used mobile platform and other conditions to be taken into account but also completely or partially other drives can be used, such as electric and / or pneumatic drives.
  • the driver's seat is attached by way of example in the working direction on the left side of the driver's cab E. Therefore, the driver can precisely view the left side in the working direction as mentioned above.
  • hot steam tubes 14 may be mounted, which serve to maintain the working temperature within the brush box C at the desired temperature.
  • the design and fastening of these hot steam pipes 14 takes place in the same way as in the steam field B.
  • injector valves may be present on the brush box C, which allow additional cleaning agent to be fed from the storage containers 2 a, 2 b, 2 c, 2 d into the hot steam pipes 14.
  • the edge of the brush box C is sealed by means of suitable sealing profiles or sealing brushes against the outside so that as few heat and dirty water can escape from the space formed by brush box C and surface to be cleaned.
  • control valves, cylinders and hydraulic motors are preferably installed in the electro-hydraulic control 12, which is exemplified on the brush box C.
  • the uniform distance of the brush box C to be cleaned surface can be ensured by means of height-adjustable swivel and transport rollers 8.
  • the brush box C is preferably suspended laterally and longitudinally up to an angle of 45 ° independently of the carrier vehicle pendulum.
  • the brush box C In the working direction behind the brush box C is preferably in a sluggish arrangement attached by means of a trapezoidal linkage on the brush box C element D for sucking the dirt particles and the cleaning agent and the condensed water from the cleaned surface.
  • This element D for suction preferably has the form of a suction nozzle 17, which also extends over the entire working width.
  • the suction nozzle 17 may either be sickle-shaped or in particular has a forwardly curved U-shape in the working direction, through the design of the lovedsaugende dirt while driving in the working direction is optimally guided to the centrally located suction.
  • the uniform distance of the suction nozzle 17 to the cleaned surface can be ensured by means of height-adjustable transport rollers.
  • the suction nozzle 17 is preferably pivoted away to avoid damage to the top.
  • a transparent and vacuum-resistant suction line 18 leads to the dirty water tank 4, which is located at the back of the loading area F of the carrier vehicle.
  • the waste water tank 4 extends over the entire width of the loading surface F of the carrier vehicle.
  • a check valve is installed, which prevents dirty water can get back into the suction nozzle 17.
  • the drive of all components of the exemplary device is preferably carried out by means of proportional hydraulic, which are provided by the carrier vehicle by means of pressure, return and leakage oil connections in sufficient pressure and in sufficiently large flow in several independent circuits.
  • the hydraulic functions are controlled by electric proportional valves located in the electrohydraulic controller 12 on the brush box C and which receive their oil supply from the forward pressure, return and drain oil connections on the host vehicle.
  • a demountable support frame 6 On the backward tiltable loading surface F of the carrier vehicle a demountable support frame 6 is constructed.
  • the dirty water tank 4 is set by means of a laterally disposed therefrom hydraulically operated turbine 20 under vacuum.
  • the two hot steam generators 3a, 3b In the working direction in front of the waste water tank 4 are the two hot steam generators 3a, 3b, which are mounted on a pull-out heavy-duty pull-out for better maintenance accessibility.
  • These storage containers 2a, 2b, 2c, 2d are each held individually in an integrated support frame and can be attached and removed separately.
  • additional lines may be present, which lead and spray the corresponding detergent from the storage containers 2a, 2b, 2c, 2d by means of application lines in the steam field B and / or in the brush box C.
  • the central control and overgrowing unit 22 for the entire technical construction.
  • a fuel tank 23 On the right in the direction of the loading surface F is a fuel tank 23 with a capacity of, for example, at least 100 liters.
  • diesel oil is filled in the fuel tank 23 . With this diesel oil, the two hot steam generators 3a, 3b are operated.
  • the fuel tank 23 has an electric governor, which indicates to the driver in the driver's cab E the current fuel supply for the operation of the two hot steam generators 3a, 3b.
  • the device 5 for generating electrical energy for the operation of the entire engineering structure has the form of a current generator, which is typically generates a voltage of 230 V voltage and provides a power of at least 8 kVA power.
  • This power generator 5 is located in the working direction at the rear of the vehicle and is operated oil-hydraulically by means of pressure, return and leakage oil connections of the carrier vehicle.
  • pressure water pump 27 In the working direction right of the two hot steam generators 3a, 3b, the operated by means of a 230 V / 2000 W electric motor 26 pressure water pump 27 is installed.
  • This pressure water pump 27 delivers the water from the fresh water tank 28, which is mounted centrally on the loading surface F, via a water filter 29 to the metering valves 24 and then into the two hot steam generators 3a, 3b.
  • Purified water especially drinking water, can be used as the water.
  • Purified water can be used as the water.
  • the water can also be added after preliminary determination of the lime content / the degree of hardness and a water softener, for example, a water softener Düring AG in CH-8108 Dällikon / Switzerland.
  • a water softener for example, a water softener Düring AG in CH-8108 Dällikon / Switzerland.
  • the working pressure of the hot steam is controlled by the pressure relief valves 25.
  • the metering valves 24 and the pressure limiting valves 25 are installed in the working direction on the right side.
  • the hot water vapor emerging from the two hot steam generators 3a, 3b preferably has a temperature of at least 150.degree.
  • the generated hot steam is conducted by means of hoses to the steam field B and optionally into the hot steam pipes 14.
  • the pressure water pump 27 promotes the respective required rinse water, the amount of which is regulated by a metering, to the flume pipe 16th
  • the bottom of the dirty water tank 4 is also reinforced against deformation by vacuum by means of struts on the bottom of the soil.
  • the top of the dirty water tank 4 consists for example of a removable cover made of profiled 4 mm sheet steel.
  • the removable lid is a quick-lock closable, recessed maintenance opening with a diameter of at least 300 mm.
  • a transparent plastic tube which is vacuum-resistant and is arranged vertically.
  • the suction connection consists of a welded-in 2 "pipe, a 90 ° bend pointing downwards and to which a rubber lip for sealing the float ball is attached
  • the float ball in turn is centered by a guide tube, which is screwed to the inside of the wall of the dirty water tank 4.
  • This float ball closes the suction connection with a full recovery tank 4.
  • a welded riser 30 which is provided at the top with a downwardly directed 180 ° arc.
  • the riser 30 is guided below the dirty water tank 4 to the outside.
  • the suction line 18 is connected to the riser 30.
  • the outlet opening 31 which in turn is equipped with a dirty water plate slide and a Storz coupling, is located at the bottom and in the middle.
  • the dirty water tank 4 is therefore arranged in the working direction at the back of the loading area F, so that the recovery tank 4 can be easily emptied by backward tilting of the bed F.
  • an electric float On the front side in the working direction of the dirty water tank 4, an electric float is inserted, which indicates the current level to the driver and emits a warning signal with full recovery tank 4.
  • a suction connection for a suction pipe of a commercially available industrial vacuum cleaner can be attached to the dirty water tank 4.
  • This vacuum turbine 20 is operated with a Gerotor oil engine, in particular with a volume flow of about 5 to 20 liters per minute and a speed up to 3ooo rev / min.
  • This vacuum turbine 20 preferably generates a vacuum of> minus 0.3 bar (relative).
  • the vacuum turbine 20 is arranged on the loading surface F at a short distance to the recovery tank 4.
  • the vacuum turbine 20 is connected to the waste water tank 4 kink-free with a vacuum-resistant tube 32.
  • the drive of the vacuum turbine 20 via an adjustable proportional hydraulic valve, which is located on the brush box C.
  • the hydraulic oil is conducted via the rear side of the loading surface F in the working direction about the pivot point of the tiltable loading surface F by means of pluggable hydraulic connections to the vacuum turbine 20.
  • the surface to be cleaned must be pre-cleaned. This means that loose waste, such as cans, paper, cardboard, plastic parts, organic waste, which are located on the surface to be cleaned, must be previously removed in a separate operation in a conventional manner, for example with a sweeping machine.
  • cleaning agent In the canisters 2a, 2b, 2c, 2d, the respectively required cleaning agent are filled.
  • Particularly suitable cleaning agents are those which preferably remove substances based on hydrocarbons, for example oils, fats, fuels, chewing gum, dried residues of sweet drinks, abrasions of vehicle tires, abrasions of aircraft tires, in a state such that they can be removed Dirt can be solved or removed and removed with the application of thermal and mechanical influences from the surface to be cleaned.
  • Top-Cleaner from Top-Cleaner GmbH in CH-9053 Teufen / Switzerland can be used as cleaning agent to remove chewing gum residues.
  • the product industrial cleaner forte the company Amstutz products AG in CH-6274 Eschenbach (LU) / Switzerland can be used.
  • a cleaning agent for the removal of abrasions of vehicle tires and abrasion of aircraft tires either the product Top-Cleaner Top-Cleaner GmbH in CH-9053 Teufen / Switzerland or a mixture of the two cleaning agents mentioned above can be used.
  • the pumps 21 suck the respective cleaning agent from the canisters 2a, 2b, 2c, 2d and convey it via transport lines into the spray element A and optionally into the steam field B and / or into the brush box C.
  • the hot steam which is produced in the hot steam generators 3a, 3b, is conducted via transport lines into the steam field B and optionally into the brush box C.
  • the contact time of the cleaning agent and the hot water vapor is determined by the selected driving speed of the carrier vehicle.
  • the driving speed is preferably ⁇ 1 km / h.
  • the thus pretreated, to be cleaned surface is then machined mechanically with the brush rollers 11a, 11b, 11c.
  • the driver of the carrier vehicle decides in which direction, with which speed and with which contact pressure the brush rollers 11a, 11b, 11c should work.
  • the contaminants dissolved or detached from the surface to be cleaned, the cleaning agent and the condensed water vapor are bound by the water leaving the alluvial tube 16 and then sucked off in a simple manner through the suction nozzle 17 into the dirty water tank 4.
  • the suction at the suction nozzle 17 is generated by the turbine 20.
  • the contents of the waste water tank 4 is emptied through the outlet port 31 and disposed of in an environmentally friendly manner in a separate process.
  • FIG. 5 schematically shows an inventive device according to an alternative embodiment.
  • a brush box forming the housing of the mechanical machining apparatus B is provided in a manner similar to that in Figs FIGS. 1 . 2 illustrated embodiment and in FIG. 5 not shown.
  • FIG. 5 illustrated embodiment particular features are explained below, in particular for this embodiment.
  • the basic structure corresponds to that in the FIGS. 1 to 4 shown construction or results in variants of the general disclosure.
  • a length reduction device which comprises the hot steam tubes 9 '.
  • the hot steam pipes 9 ' serve at the same time as a retraction and lifting device.
  • a collision stop device of the previously described type is optionally also arranged.
  • one or more spray elements may further be arranged in front of the heating element B in the working direction, as in the context of the exemplary embodiment of FIG FIG. 1 . 2 illustrated and explained.
  • the heating element optionally further includes a steam homogenizer as described above.
  • the element for mechanical processing C comprises a rigid support frame 50, in which the hot steam tubes 9 are pivotally mounted about a horizontal axis.
  • the drive, not shown and arranged within the brush box can be performed, for example, hydraulically, pneumatically or electrically; additionally or alternatively, the pivoting can be done manually.
  • the heating element B is also pivotally mounted with respect to the hot steam tubes 9 '. By pivoting the hot steam pipes 9 'in the direction indicated by the arrow X, the heating element B is moved to move from the in FIG.
  • an optional vapor escape barrier 40 is further arranged, which can be realized in one of the manner described in the general description of the present invention, for example by a circumferential sealing profile or a suction device.
  • the two existing in this embodiment brush rollers 11 ' may be designed in a basically analogous manner as the brush rollers 11 a, 11 b, 11 c in the embodiment according to FIG. 1 . 2 , Between the two brush rollers 5 7 and on in the assembled state of the carrier vehicle facing side of the device for mechanical processing B is parallel to the axis of rotation of the brush rollers 11 ', transverse to the working direction, an optional pair of rubber lips 59 arranged.
  • the lifting cylinder 57 can alternatively also be driven differently than pneumatically, in particular hydraulically or electrically.
  • a flange plate 60 is provided, which is preferably rigidly coupled to the support frame 50, for example, welded or screwed.
  • the flange plate 60 is for mounting on a suitable carrier vehicle, such as a conventional municipal truck as described above.
  • the flange plate 60 may have a corresponding standardized shape.
  • heating field B and mechanical processing apparatus C can be preferably raised and lowered. This is done by a corresponding increase or decrease a flange plate on the carrier vehicle, which is the counterpart to the flange plate 60.
  • the interfaces required for operating the device for example for hydraulic, pneumatic and / or electrical supply of the device, control and signal lines and interfaces for the supply of hot steam and the suction.
  • these interfaces are preferably designed such that they correspond to any corresponding interfaces of the carrier vehicle, for example an electrical power supply present on the carrier vehicle via the electrical system of the carrier vehicle or an oil hydraulic system of the carrier vehicle.
  • the interfaces are preferably designed to be detachable in order to enable a simple and rapid assembly and disassembly on the carrier vehicle.
  • FIG. 6 shows an embodiment, which basically the in FIG. 5 illustrated embodiment corresponds to ready for use, where it is mounted together with the other required for operating the device units and devices on and on a carrier vehicle, which may be, for example, a conventional municipal transporter of the type previously shown.
  • the stem consisting of heating element B, apparatus for mechanical processing C and (not visible) suction device D can, as is previously shown, preferably be mounted detachably on the carrier vehicle.
  • the loading surface F Components arranged on a common carrier platform F ', which is detachably connected to the loading surface F.
  • the entire assembly including support platform F ', mounted by means of crane eye 71 in a simple manner on the bed F and also be removed from it.
  • This allows, by adapting fewer elements, a use of the device in conjunction with different carrier vehicles. It also makes it possible to use the carrier vehicle optionally separately. In this way, a comparatively more costly
  • municipal transporters are alternately used in the summer months as a cleaning vehicle and in the winter months as a spreading or clearing vehicle.

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Description

Technisches GebietTechnical area

Die vorliegende Erfindung betrifft eine Vorrichtung sowie ein Verfahren für die Reinigung von Oberflächen, insbesondere von Böden und Bodenbelägen.The present invention relates to a device and a method for the cleaning of surfaces, in particular of floors and floor coverings.

Stand der TechnikState of the art

In EP 1 498 063 A1 wird eine Vorrichtung zum Reinigen von Flächen beschrieben. Bei dieser Vorrichtung ist ein Reinigungswerkzeug in der Form einer kreisring-förmigen Bürste an einem Ausleger befestigt. Als Reinigungsmedium wird ein Gemisch aus Dampf und Reinigungsmittel verwendet. Das Reinigungswerkzeug ist über ein Getriebe antreibbar. Der Dampf wird in einem Dampferzeuger ausserhalb der Vorrichtung erzeugt und wird über eine Schlauchleitung der Vorrichtung zugeführt. Das Reinigungsmittel wird in den Dampf zudosiert. Diese Vorrichtung ist an eine elektrische Versorgungsleitung gebunden, welche immer wieder nachgezogen werden muss. Deshalb ist der Aktionsradius dieser Vorrichtung beschränkt.In EP 1 498 063 A1 a device for cleaning surfaces will be described. In this device, a cleaning tool in the form of a circular-shaped brush is attached to a cantilever. The cleaning medium used is a mixture of steam and cleaning agent. The cleaning tool can be driven by a gear. The steam is generated in a steam generator outside the device and is supplied via a hose line of the device. The cleaning agent is added to the steam. This device is tied to an electrical supply line, which must be tightened again and again. Therefore, the operating radius of this device is limited.

In EP 1 491 129 A1 wird ein Verfahren und eine Vorrichtung zum Erzeugen eines Gemisches aus Wasserdampf und einem flüssigen Reinigungsmittel beschrieben. Dieses Gemisch kann über einen flexiblen Schlauch einer Bodenreinigungsmaschine oder einer Reinigungslanze zugeführt werden.In EP 1 491 129 A1 For example, a method and apparatus for generating a mixture of water vapor and a liquid detergent is described. This mixture can be supplied via a flexible hose a floor cleaning machine or a cleaning lance.

Bei einem in WO 2004/017805 A1 beschriebenen Verfahren zum Reinigen von Bodenflächen werden Dampf und Reinigungsflüssigkeit gemeinsam vor der Wirkfläche eines Reinigungswerkzeuges, welches die Form von rotierenden, kreisringförmigen Bürsten hat, aufgetragen. Die Reinigungsflüssigkeit kann in erwärmter Form aufgetragen werden. In WO 2004/017805 A1 wird ferner ein mobiles Bodenreinigungsgerät beschrieben. Bei dieser Vorrichtung sind in Arbeitsrichtung zuerst die Öffnung für den Auslass von Dampf und dann die Öffnung für den Auslass von Reinigungsflüssigkeit vor dem Reinigungswerkzeug angeordnet. Dieses mobile Bodenreinigungsgerät ist an eine elektrische Versorgungsleitung gebunden, welche immer wieder nachgezogen werden muss. Deshalb ist der Aktionsradius dieses Bodenreinigungsgerätes beschränkt. Ein Reinigangshaft für ein Strassenreinigungsgerät ist in DE 10 2005 020018 A1 beschrieben.At an in WO 2004/017805 A1 described methods for cleaning floor surfaces, steam and cleaning liquid are applied together before the active surface of a cleaning tool, which has the form of rotating, annular brushes. The cleaning liquid can be applied in heated form. In WO 2004/017805 A1 Furthermore, a mobile floor cleaning device is described. In this device, the opening for the outlet of steam and then the opening for the outlet of cleaning liquid in front of the cleaning tool are arranged in the working direction first. This mobile floor cleaning device is bound to an electrical supply line, which must be tightened again and again. Therefore, the range of action of this floor cleaning device is limited. A cleaning socket for a street cleaning device is in DE 10 2005 020018 A1 described.

Es ist ein Ziel der vorliegenden Erfindung, eine verbesserte Vorrichtung für die Reinigung von Oberflächen, insbesondere von Böden und Bodenbelägen, zur Verfügung zu stellen.It is an object of the present invention to provide an improved apparatus for the cleaning of surfaces, in particular of floors and floor coverings.

Die erfindungsgemässe Vorrichtung und das erfindungsgemässe Verfahren eignen sich für die Reinigung von Oberflächen von weitgehend beliebig strukturierten Böden, insbesondere befestigten Verkehrsflächen, beispielsweise Strassen, Plätze, Böden in Bahnhöfen, Wartehallen, Industrieböden, Verkehrsflächen, welche von Flugzeugen befahren werden.The inventive device and the inventive method are suitable for the cleaning of surfaces of largely arbitrarily structured soils, especially paved traffic areas, such as streets, squares, floors in stations, waiting halls, industrial floors, traffic areas, which are used by aircraft.

Zusammenfassung der OffenbarungSummary of the Revelation

Eine Vorrichtung entsprechend der vorliegenden Erfindung ist auf und/oder an einer in einer Arbeitsrichtung verfahrbaren mobilen Plattform, beispielsweise einem Trägerfahrzeug, montiert oder montierbar und gemeinsam mit der mobilen Plattform zum autonomen Betrieb ausgelegt. Die Vorrichtung umfasst, in Arbeitsrichtung, hintereinander angeordnet, folgende Elemente:

  • ein Heizelement B zur Aufwärmung der zu reinigenden Oberfläche, wobei das Heizelement B ein flächiges Dampffeld umfasst, welches im Betrieb die zu reinigende Oberfläche mit Dampf beaufschlagt;
  • ein Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche, welches wenigstens ein solches Teilelement umfasst, welches die Abtragung der gelösten oder abgelösten Verschmutzungen auf der zu reinigenden Oberfläche mittels Rotation und Bodendruck ermöglicht, wobei die Rotation um eine quer zur Arbeitsrichtung horizontal angeordnete Achse erfolgt;
  • ein Element D zum Absaugen der Verschmutzungen sowie des durch Kondensation des Dampfes entstehenden Wassers von der gereinigten Oberfläche.
A device according to the present invention is mounted and / or mounted on and / or on a movable in a working direction mobile platform, such as a carrier vehicle, and designed together with the mobile platform for autonomous operation. The device comprises, in the working direction, arranged one behind the other, the following elements:
  • a heating element B for heating the surface to be cleaned, the heating element B comprising a planar vapor field, which in operation acts on the surface to be cleaned with steam;
  • an element C for mechanical treatment of the surface to be cleaned, which comprises at least one subelement which allows the removal of the dissolved or detached contaminants on the surface to be cleaned by means of rotation and ground pressure, wherein the rotation takes place about an axis arranged horizontally transversely to the working direction;
  • an element D for sucking off the dirt and the water resulting from the condensation of the vapor from the cleaned surface.

Als "Arbeitsrichtung" wird dabei diejenige Richtung bezeichnet, in die sich die mobile Plattform während der Reinigung fortbewegt.The "working direction" is the direction in which the mobile platform moves during cleaning.

Das Heizelement B ist typischerweise mit wenigstens einem Heissdampferzeuger verbunden, welcher seinerseits mit einem Frischwassertank und einer Druck-Wasserpumpe mittels wenigstens einer Verbindungsleitung verbunden ist. Das Heizelement B und der Heissdampferzeuger sind typischerweise mit einer zentralen Steuerungs- und Überwachungseinheit verbunden, welche die jeweils benötige Aufwärmung der zu reinigenden Oberfläche steuert. Im Gegensatz zu Hochdruck-Reinigern dient der Dampf zum Aufwärmen der zu reinigenden Oberfläche sowie ggf. zum Anlösen und/oder Aufweichen von Verschmutzungen, während kein oder allenfalls nur ein geringes mechanischen Abtragen von Verschmutzungen durch den Dampfdruck erfolgt. Im Gegensatz zu Hochdruckreinigern wirkt der Dampf also zumindest weitgehend nicht abrasiv.The heating element B is typically connected to at least one hot steam generator, which in turn is connected to a fresh water tank and a pressure water pump by means of at least one connecting line. The heating element B and the hot steam generator are typically connected to a central control and monitoring unit which controls the respectively required heating of the surface to be cleaned. In contrast to high-pressure cleaners, the steam is used to warm up the surface to be cleaned and possibly to dissolve and / or soften soiling, while no or at most only a slight mechanical removal of dirt by the vapor pressure occurs. In contrast to high-pressure cleaners, the steam thus acts at least largely non-abrasive.

Das Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche ist typischerweise mit einer solchen elektrischen Steuerung verbunden, welche die Steuerung der genannten jeweils vorhandenen Teilelemente bezüglich Rotation, Drehrichtung, Drehzahl und Bodendruck individuell steuert.The element C for the mechanical treatment of the surface to be cleaned is typically connected to such an electrical control, which controls the control of said respective sub-elements individually with respect to rotation, direction of rotation, speed and ground pressure.

Das Element D ist kann über eine Saugleitung mit einem geschlossenen Behältnis 4 zur Aufnahme der Schmutzpartikel und des kondensierten Wassers verbunden sein, wobei dieses geschlossene Behältnis mit einem Element verbunden ist, welches ein Vakuum erzeugt, z. B. einer Saugpumpe. Das Element D, die Saugleitung und das Behältnis zur Aufnahme der Schmutzpartikel und des kondensierten Wassers können mit einer solchen zentralen Steuerungs- und Überwachungseinheit verbunden sein, welche den im Element D, in der Saugleitung und im Behältnis jeweils benötigten Unterdruck steuert.The element D may be connected via a suction line with a closed container 4 for receiving the dirt particles and the condensed water, said closed container is connected to an element which generates a vacuum, for. B. a suction pump. The element D, the suction line and the container for Recording the dirt particles and the condensed water can be connected to such a central control and monitoring unit which controls the vacuum required in the element D, in the suction line and in the container.

Die Elemente B, C, D können an eine Trägerplatte fixiert sein, wobei diese Trägerplatte an der mobilen Plattform in der Höhe verstellbar schwimmend fixiert sein. In anderen Ausführungsformen ist das Element B über das Element C an der mobilen Plattform befestigt. Je nach Anwendungszweck bzw. dem geforderten Grad an Einsatzflexibilität kann auf eine höhenverstellbare und schwimmende Lagerung auch ganz oder teilweise verzichtet werden.The elements B, C, D can be fixed to a support plate, said support plate to be fixed floating on the mobile platform in height adjustable. In other embodiments, the element B is attached to the mobile platform via the element C. Depending on the application or the required degree of versatility can be waived in whole or in part on a height-adjustable and floating storage.

Wie im Zusammenhang mit exemplarischen Ausführungsbeispielen erläutert wird, kann es sich bei der mobilen Plattform insbesondere um einen erhältlichen Kommunaltransporter handeln, oder auch um ein oder mehrere Spezialfahrzeuge. Bevorzugt ist die Vorrichtung durch ein oder mehrere kompakte Module realisiert, welche in einfacher Weise an der mobilen Plattform montiert und von der mobilen Plattform getrennt werden können. Insbesondere können die Schnittstellen zur mobilen Plattform für eine zügige Montage und Demontage ohne der allgemein verfügbarem Werkzeug, wie Schraubenschlüsseln etc. ausgelegt sein.As will be explained in connection with exemplary embodiments, the mobile platform can be, in particular, an available municipal transporter or else one or more special vehicles. Preferably, the device is realized by one or more compact modules, which can be easily mounted on the mobile platform and separated from the mobile platform. In particular, the interfaces to the mobile platform can be designed for rapid assembly and disassembly without the generally available tools such as wrenches, etc.

Ein erfindungsgemässes Verfahren zur Reinigung von Oberflächen durch Betrieb einer auf und/oder an einer in einer Arbeitsrichtung verfahrbaren mobilen Plattform montierten Reinigungsvorrichtung, umfasst die sequentiellen Schritte:

  • Erwärmen Oberfläche durch Beaufschlagung mit Heisswasserdampf und Einwirken lassen der applizierten Wärme;
  • Abtragung von durch den Wasserdampf gelösten oder abgelösten Verschmutzungen mittels mechanischer Bearbeitung durch Rotation und Bodendruck, wobei die Rotation um eine quer zur Arbeitsrichtung horizontal angeordnete Achse erfolgt;
  • Absaugen der Verschmutzungen sowie des durch Kondensation des Dampfes entstehenden Wassers von der gereinigten Oberfläche.
A method according to the invention for cleaning surfaces by operating a cleaning device mounted on and / or on a movable mobile platform in a working direction, comprises the sequential steps:
  • Heating surface by exposure to hot steam and let the applied heat;
  • Removal of soils dissolved or detached by the water vapor by means of mechanical processing by rotation and ground pressure, wherein the rotation takes place about an axis arranged horizontally transversely to the working direction;
  • Extracting the dirt and the resulting by condensation of the water from the cleaned surface.

Eine Erfindungsgemässe Vorrichtung kann insbesondere zur Durchführung eines erfindungsgemässen Reinigungsverfahrens eingesetzt werden, wobei spezielle Ausgestaltungen, Erweiterungen und Modifikationen der Vorrichtung sich in entsprechenden Ausgestaltungen, Erweiterungen und Modifikationen des Reinigungsverfahrens widerspiegeln. Daher offenbaren bestimmte Ausführungsformen der Vorrichtung zugleich entsprechende Verfahren, auch wenn sie nicht explizit erwähnt werden. In analoger Weise offenbaren beschriebene Verfahrensschritte zugleich entsprechende Ausführungsformen einer erfindungsgemässen Vorrichtung.A device according to the invention can be used in particular for carrying out a cleaning method according to the invention, special designs, extensions and modifications of the device being reflected in corresponding refinements, extensions and modifications of the cleaning method. Therefore, certain embodiments of the device also disclose corresponding methods, even if not explicitly mentioned. In an analogous manner, described method steps reveal at the same time corresponding embodiments of a device according to the invention.

In einer Ausführungsform ist in Arbeitsrichtung vor dem Heizelement B ein Sprühelement A zur Applikation von wenigstens einem Reinigungsmittel, insbesondere einem chemischen Reinigungsmittel, auf die zu reinigende Oberfläche angeordnet. Das Sprühelement A kann über Verbindungsleitungen mit verschiedenen Vorratsbehältnissen, in welchen verschiedene Reinigungsmittel enthalten sind, verbunden ist, wobei das Sprühelement A mit einer solchen zentralen Steuerungs- und Überwachungseinheit verbunden ist, welche die wahlweise Zugabe der jeweils benötigten Menge an notwendigem Reinigungsmittel steuert. Die Zahl der Vorratsbehälter und der bevorrateten Reinigungsmittel richtet sich dabei nach dem Einsatzgebiet oder den Einsatzgebieten der Vorrichtung. In einer Variante sind zur Applikation verschiedener Reinigungsmittel auch vollständig oder teilweise unabhängig arbeitende Sprüheinrichtungen A vorgesehen. Das Reinigungsmittel wird gemeinsam mit dem kondensierten Dampf und der Verschmutzung durch Element D abgesaugt.In one embodiment, in the working direction in front of the heating element B, a spray element A for the application of at least one cleaning agent, in particular a chemical cleaning agent, is arranged on the surface to be cleaned. The spray element A can be connected via connecting lines to various storage containers in which different cleaning agents are contained, wherein the spray element A is connected to such a central control and monitoring unit which controls the optional addition of the respectively required amount of necessary cleaning agent. The number of storage containers and the stored detergent depends on the field of application or the fields of application of the device. In one variant, completely or partially independently operating spray devices A are provided for the application of various cleaning agents. The cleaning agent is aspirated together with the condensed vapor and the pollution by element D.

In einer Ausführungsform ist die Vorrichtung für einen Dampfaustritt aus dem Dampffeld mit einem Überdruck von höchstens 10 bar, beispielsweise von höchstens 3 bar oder höchstens 1.5 bar, bezogen auf den Umgebungsluftdruck, ausgelegt. Die typischerweise vorhandene Druckpumpe, welche den Erforderlichen Arbeitsdruck bereitstellt, ist bevorzugt auf diesen Arbeitsdruck ausgelegt.In one embodiment, the device for a steam outlet from the steam field with a pressure of at most 10 bar, for example, at most 3 bar or at most 1.5 bar, based on the ambient air pressure, designed. The typically existing pressure pump, which provides the required working pressure, is preferably designed for this working pressure.

In einer Ausführungsform weist das Heizelement B eine an Aussenseite bzw. am Umfang des Dampffeldes angeordnete Dampfaustrittssperre auf, welche dem Entweichen von Wasserdampf von der zu reinigenden Oberfläche entgegenwirkt.In one embodiment, the heating element B has a vapor exit barrier arranged on the outside or on the circumference of the vapor field, which counteracts the escape of water vapor from the surface to be cleaned.

Die Dampfaustrittssperre ist typischerweise an der Aussenseite bzw. am Umfang des Dampffeldes angeordnet und verhindert ein Entweichen von Dampf von der zu reinigenden Oberfläche. Hierdurch wird gewährleistet, dass im Wesentlichen nur die zu reinigende Oberfläche mit Dampf beaufschlagt wird und das insbesondere keine oder nur eine geringe oder vernachlässigbare Dampfmenge aus dem zwischen Dampffeld und zu reinigender Oberfläche befindlichen Volumen austritt.The steam outlet barrier is typically arranged on the outside or on the circumference of the steam field and prevents escape of steam from the surface to be cleaned. This ensures that essentially only the surface to be cleaned is subjected to steam and that in particular no or only a small or negligible amount of steam exits the volume located between the vapor field and the surface to be cleaned.

Solcher unerwünscht austretender Dampf, der keinen Beitrag zur Erwärmung und Reinigung der zur reinigenden Oberfläche leistet, wird hier als Verlustdampf bezeichnet.Such undesirable escaping steam, which does not contribute to the heating and cleaning of the surface to be cleaned, is referred to herein as loss steam.

Der Verlustdampf erhöht die bereitzustellende Dampfmenge, wodurch sich die mitzuführende und verbrauchte Wassermenge erhöht; ferner erfordert der Dampfverlust eine leistungsstärkere Auslegung des oder der Heissdampferzeuger(s). Ferner verringert die zur Erzeugung des Verlustdampfes erforderliche zusätzliche Energie den energetischen Wirkungsgrad der Vorrichtung.The loss of steam increases the amount of steam to be supplied, which increases the amount of water to be carried and consumed; Furthermore, the loss of steam requires a more powerful design of the or the hot steam generator (s). Furthermore, the additional energy required to produce the loss steam reduces the energy efficiency of the device.

Ein weiterer vorteilhafter Effekt einer Dampfaustrittssperre ergibt sich aus einer verbesserten Fahrersicht und damit der Sicherheit. Der ohne Dampfaustrittssperre unerwünscht austretende Dampf führt - je nach Umgebungsbedingungen - zu einer Wasserdampfwolke, welche die Fahrersicht erheblich beinträchtigen oder sogar gänzlich verunmöglichen kann. Dies gilt insbesondere in weitgehend abgeschlossenen und ggf. nicht oder nur begrenzt belüfteten Innenräumen, wie dem Inneren von Lagerhallen, Tiefgaragen, Parkhäusern oder ähnlichem.Another advantageous effect of a steam escape barrier results from an improved driver's view and thus safety. Depending on the ambient conditions, the vapor which escapes undesirably without a vapor escape barrier leads to a cloud of vapor which considerably impairs the driver's vision or even makes it completely impossible can. This is especially true in largely closed and possibly not or only partially ventilated interiors, such as the interior of warehouses, underground garages, parking garages or the like.

Die technische Realisierung der Dampfaustrittssperre kann auf verschiedene Weisen erfolgen. Möglich ist beispielsweise eine an den abzudichtenden Kanten des Dampffeldes angeordnete mechanische Dichtung, etwa in Form von Gummilippen oder einer umlaufenden Labyrinth-Dichtung oder einer Reihe von im Betrieb auf der zu reinigenden Oberfläche aufliegenden Dichtbürsten. Eine weitere, alternative oder zusätzliche Ausgestaltung der Dampfaustrittssperre besteht in einer Absaugvorrichtung, welche überschüssigen Dampf entlang der Kanten des Dampffeldes absaugt.The technical realization of the steam outlet barrier can be done in various ways. It is possible, for example, arranged on the sealed edges of the steam field mechanical seal, such as in the form of rubber lips or a circumferential labyrinth seal or a series of resting in operation on the surface to be cleaned sealing brushes. A further, alternative or additional embodiment of the steam outlet barrier consists in a suction device, which sucks excess steam along the edges of the steam field.

In einer Ausführungsform einer Dampfaustrittsperre mit Absaugung wird der abgesaugte Dampf einem Schmutzwassertank, einem Frischwassertank oder einem mit dem Dampffeld gekoppelten Dampferzeuger zugeführt.In one embodiment of a steam outlet barrier with suction, the extracted steam is fed to a waste water tank, a fresh water tank or a steam generator coupled to the steam field.

Der abgesaugte Dampf kann im einfachsten Fall kondensiert und einem Schmutzwassertank zugeführt werden, wobei es sich um den Tank handeln kann, der auch den am Boden kondensierten Dampf und die Verschmutzungen aufnimmt. In einer anderen Ausgestaltung wird der abgesaugte Dampf jedoch weitergenutzt; so kann die Dampfaustrittssperre derart ausgelegt sein, dass der abgesaugt Dampf einen Kondensator und gegebenenfalls eine Reinigungsstufe durchläuft und das so entstehende Wasser dem Frischwassertank, welcher das Wasser für das Dampffeld bevorratet, oder direkt dem oder den Heissdampferzeugern zugeführt werden.The extracted steam can be condensed in the simplest case and fed to a waste water tank, which may be the tank, which also receives the vapor condensed at the bottom and the contaminants. In another embodiment, however, the extracted steam is used further; Thus, the steam outlet barrier can be designed such that the extracted steam passes through a condenser and optionally a purification stage and the resulting water to the fresh water tank, which stores the water for the steam field, or directly to the one or more hot steam generators.

In einer Ausführungsform einer Dampfaustrittsperre mit Absaugung umfasst die Vorrichtung eine Vorrichtung zur Wärmerückgewinnung aus dem abgesaugten Dampf, beispielsweise einen Wärmetauscher. Der Wärmetauscher kann beispielsweise unmittelbar im oder in thermischem Kontakt zum Frischwassertank angeordnet sein..In one embodiment of a vapor escape barrier with suction, the device comprises a device for heat recovery from the extracted steam, for example a heat exchanger. The heat exchanger can be arranged, for example, directly in or in thermal contact with the fresh water tank.

Eine weiter alternative oder zusätzliche Ausgestaltung der Dampfaustrittssperre umfasst eine fluidische Verdrängungsvorrichtung, welche den Dampf vom Umfang des Dampffeldes zu seinem inneren hin verdrängt. Eine solche Verdrängungsvorrichtung kann beispielsweise eine Anordnung von nach innen gerichteten Dampfdüsen oder sonstigen gerichteten Dampfaustrittsöffnungen umfassen.A further alternative or additional embodiment of the vapor escape barrier comprises a fluidic displacement device which displaces the vapor from the circumference of the vapor field to its interior. Such a displacement device may comprise, for example, an arrangement of inwardly directed steam nozzles or other directed steam outlet openings.

Eine weitere mögliche Ausgestaltung einer fluidischen Verdrängungsvorrichtung umfasst eine Druckluftvorrichtung, welche entlang der abzudichtenden Kanten Druckluft auf die zu reinigende Oberfläche bläst. Durch diese Massnahme bildet sich entlang der abzudichtenden Kanten ein Luftvorhang, welcher einem Dampfaustritt entgegenwirkt.Another possible embodiment of a fluidic displacement device comprises a compressed air device which blows compressed air onto the surface to be cleaned along the edges to be sealed. By this measure, forms along the edges to be sealed an air curtain, which counteracts a steam outlet.

In einer Ausgestaltung umfasst das Dampffeld einen Dampfhomogenisierer, welcher dazu ausgelegt ist, eine zumindest im Wesentlichen homogene und gleichmässige Dampfbeaufschlagung der zu reinigenden Oberfläche zu gewährleisten.In one embodiment, the steam field comprises a steam homogenizer, which is designed to ensure at least substantially homogeneous and uniform steaming of the surface to be cleaned.

Der Dampfhomogenisierer besteht beispielsweise aus einer flächigen Struktur, welche die Abmessungen des Dampffeldes aufweist und in Strömungsrichtung des Dampfes zwischen Dampfaustrittsöffnungen und zu reinigender Oberfläche montiert ist. Durch diese wird der Dampf in Querrichtung hindurchgeleitet, bevor auf die zu reinigende Oberfläche trifft, und dabei in der Homogenisierungseinrichtung über die Fläche gleichmässig verteilt.The steam homogenizer consists, for example, of a planar structure which has the dimensions of the steam field and is mounted in the flow direction of the steam between the steam outlet openings and the surface to be cleaned. Through this, the steam is passed in the transverse direction, before striking the surface to be cleaned, while evenly distributed in the homogenizer over the surface.

In einer Ausgestaltung umfasst der Dampfhomogenisierer ein flächiges und poröses, schwammartiges Material oder ein flächiges Gewebe, beispielsweise ein flächiges Edelstahlgewebe ein Netz, eine Siebstruktur oder ähnliches.In one embodiment, the steam homogenizer comprises a flat and porous, sponge-like material or a flat fabric, for example a flat stainless steel mesh, a mesh, a mesh structure or the like.

In einer Ausführungsform umfasst die Vorrichtung eine Kollisionsstoppvorrichtung, welche funktionell mit einem Antrieb der mobilen Plattform gekoppelt oder koppelbar und dazu ausgelegt ist, die Fahrt der Vorrichtung automatisch zu stoppen, wenn sie mit einem Hindernis kollidiert und/oder eine Kollision mit einem Hindernis droht.In one embodiment, the device includes a collision stop device operably coupled or coupleable to a drive of the mobile platform and configured to automatically stop the drive of the device when it collides with an obstacle and / or threatens a collision with an obstacle.

In einer beispielhaften Ausführungsform umfasst die Vorrichtung eine Kollisionsstoppvorrichtung. Diese ist funktionell mit dem mit dem Antrieb der mobilen Plattform, beispiels- weise dem Trägerfahrzeug gekoppelt bzw. für eine solche Kopplung ausgelegt und bewirkt, dass die Einrichtung automatisch gestoppt wird, wenn die Vorrichtung in Arbeitsrichtung mit einem Hindernis kollidiert und/oder eine solche Kollision droht. Die Kollisionsstoppvorrichtung kann als Sensorelemente zur Detektion einer akuten oder bevorstehenden Kollision einen Sensor oder mehrere Sensoren, beispielsweise, in Form elektrischer Schaltkontakte, Reflexlichtschranken, kapazitiven Näherungssensoren, optischer Triangulations-Abstandssensoren oder ähnlichem umfassen, wobei selbstverständlich auch eine Kombination verschiedener Sensoren möglich ist. Der oder die Sensoren der Kollisionsstoppvorrichtung sind typischerweise in Arbeitsrichtung an der Vorderfront der Vorrichtung in Arbeitsrichtung angeordnet. Bei Bedarf können weitere derartige Sensoren an anderen geeigneten, Positionen, beispielsweise an der Rückseite und/oder der linken und/oder rechtem Seite der mobilen Plattform angeordnet werden. Die Kollisionsstoppvorrichtung ist hilfreich insbesondere bei der Anwendung in unübersichtlicher oder stark strukturierter Umgebung, wie etwa dem Inneren von Lagerhallen, Tiefgaragen, Parkhäusern oder ähnlichem. Durch die Antikollisionsvorrichtung werden insbesondere Kollisionsrisiken reduziert bzw. aufgehoben, welche sich aufgrund der vergleichsweise grossen erforderlichen Baulänge in Arbeitsrichtung und die hierdurch eingeschränkte Fahrersicht ergeben.In an exemplary embodiment, the device includes a collision stop device. This is functionally coupled with or designed for such coupling with the drive of the mobile platform, for example the carrier vehicle, and causes the device to be automatically stopped when the device collides in the working direction with an obstacle and / or such a collision threatening. The collision stop device can comprise one or more sensors, for example in the form of electrical switching contacts, reflex light barriers, capacitive proximity sensors, optical triangulation distance sensors or the like as sensor elements for detecting an acute or imminent collision, it also being understood that a combination of different sensors is possible. The one or more sensors of the collision stop device are typically arranged in the working direction at the front of the device in the working direction. If desired, other such sensors may be located at other suitable locations, such as at the back and / or the left and / or right side of the mobile platform. The collision stop device is particularly useful when used in confusing or highly structured environment, such as the interior of warehouses, underground garages, parking garages or the like. The anti-collision device in particular reduces collision risks or canceled, which arise due to the comparatively large required length in the direction of work and thus limited driver's view.

In einer beispielhaften Ausführungsform umfasst die Vorrichtung eine Längenreduktionsvorrichtung, welche derart mit dem Heizelement B gekoppelt ist, dass durch ihre Ansteuerung das Heizelement B von einer Arbeitsstellung in eine Transportstellung verbracht wird, wobei in der Transportstellung ein Mass, um welches das Heizelement B in Arbeitsrichtung über das Element zur mechanischen Bearbeitung C vorragt, gegenüber der Arbeitsstellung verringert oder aufgehoben ist.In an exemplary embodiment, the device comprises a length reduction device, which is coupled to the heating element B, that by its control, the heating element B is moved from a working position to a transport position, wherein in the transport position, a Mass to which the heating element B in the working direction over protrudes the element for mechanical processing C, is reduced or canceled over the working position.

In einer beispielhaften derartigen Vorrichtung umfasst die Längenreduktionsvorrichtung eine Rückzugsvörrichtung, welche dazu ausgelegt ist, das Heizelement (B) bezüglich dem Element zur mechanischen Bearbeitung (C) entgegen der Arbeitsrichtung zurückzuziehen bzw. entgegen der Arbeitsrichtung zu verschieben. Dabei kann ferner der Abstand des Heizelementes relativ zum Untergrund bzw. der zu reinigenden Oberfläche verändert und das Heizelement (B) beispielsweise angehoben werden. In einer derartigen Ausführungsform wirkt die Rückzugsvorrichtung zusätzlich als Hebevorrichtung.In an exemplary such device, the length reduction device comprises a Rückzugsvörrichtung, which is adapted to retract the heating element (B) with respect to the element for mechanical processing (C) against the working direction or to move against the working direction. In this case, further, the distance of the heating element relative to the substrate or the surface to be cleaned changed and the heating element (B), for example, be raised. In such an embodiment, the retraction device additionally acts as a lifting device.

In einer beispielhaften günstigen Ausgestaltung befindet sich das Heizelement (B) in Transport Stellung oberhalb des Elementes zur mechanischen Bearbeitung (C) und hat zu diesem einen geringen Abstand oder liegt auf dem Element zur mechanischen Bearbeitung (B), beispielsweise auf dem Bürstenkasten, auf. Die Orientierung des Heizfeldes (B) ist dabei parallel zum Bürstenkasten, so dass Bürstenkasten und Heizfeld (B) in der Transportstellung eine kompakte Einheit bilden, deren Abmessungen, abgesehen von der geringen zusätzlichen Höhe des Heizelementes (B), im Wesentlichen denen des Bürstenkastens entsprechen.In an exemplary favorable embodiment, the heating element (B) is in transport position above the element for mechanical processing (C) and has to this a small distance or is on the element for mechanical processing (B), for example on the brush box on. The orientation of the heating field (B) is parallel to the brush box, so that the brush box and heating field (B) in the transport position form a compact unit whose dimensions, apart from the small additional height of the heating element (B), substantially correspond to those of the brush box ,

Eine solch Anordnung des Dampffeldes ermöglich es insbesondere, bei der zu- oder Abfahrt zum bzw. vom Einsatzort oder auch bei Rangierarbeiten am Einsatzort die Gesamtlänge der Vorrichtung um die Länge des Dampffeldes zu verringern und so die Manövrierbarkeit und die Fahrersicht zu verbessern. Das Heizelement führt dabei bei der Bewegung von der Arbeitsstellung in die Transportstellung beispielsweise eine Kreisschiebung, das heisst eine translatorische Bewegung entlang eines Kreisbogens aus.Such an arrangement of the steam field makes it possible, in particular, to reduce the total length of the device by the length of the steam field during the ascent to or departure from or at the place of work or at the place of use and thus to improve the maneuverability and the driver's view. The heating element performs during the movement of the working position into the transport position, for example, a circular shift, that is, a translational movement along a circular arc.

In einer speziellen Ausführungsform dienen Heissdampfrohre, welche den Heissdampf dem Dampffeld zuführen, zugleich als Rückzugsvorrichtung. Bei einer derartigen Anordnung ist das Gehäuse des Dampffeldes über die Heissdampfrohre am Bürstenkasten montiert und wird mittels einer angetriebenen Drehung der Heissdampfrohre am Bürstenkasten gedreht bzw. geschwenkt. Alternativ ist es selbstverständlich möglich, die Rückzugsvorrichtung durch eine separate kinematische Anordnung, beispielsweise ein Gestänge, zu realisieren. Dies kann beispielsweise vorteilhaft sein, wenn das Heizelement relativ schwer ist und/oder die Dampfzufuhr durch Schläuche erfolgen soll.In a special embodiment, hot steam pipes which supply the hot steam to the steam field also serve as a retraction device. In such an arrangement, the housing of the steam box is mounted on the hot steam pipes on the brush box and is rotated or pivoted by means of a driven rotation of the hot steam pipes on the brush box. Alternatively, it is of course possible to realize the retraction device by a separate kinematic arrangement, for example a linkage. This may be advantageous, for example, if the heating element is relatively heavy and / or the steam is to be supplied through hoses.

Der Antrieb zur Bewegung des Heizelementes kann beispielsweise hydraulisch ausgeführt sein; grundsätzlich sind aber auch ein pneumatischer oder elektrischer Antrieb sowie eine manueller Antrieb möglich.The drive for moving the heating element may for example be designed hydraulically; In principle, however, a pneumatic or electric drive and a manual drive are possible.

In einer weiteren Ausführungsform ist das Dampffeld faltbar, beispielsweise ziehharmonikaartig ausgestaltet, wodurch die Arbeitsstellung einer entfalteten und die Transportstellung einer zusammengefalteten Konfiguration entspricht.In a further embodiment, the steam field is foldable, for example accordion-like design, whereby the working position of a deployed and the transport position corresponds to a folded configuration.

In einer weiteren alternativen Ausführungsform umfasst die Langenreduktionsvorrichtung eine Rückzugsvorrichtung in Form einer Schienenanordnung, durch welche das Heizelement B zum Transport unter die Vorrichtung zur mechanischen Bearbeitung C zurückgezogen werden kann.In a further alternative embodiment, the length reduction device comprises a retraction device in the form of a rail arrangement, through which the Heating element B can be withdrawn under the device for mechanical processing C for transport.

In weiteren Ausführungsformen besitzt das Heizelement B besitzt das Heizelement B in Transportstellung bezüglich des Untergrunds bzw. der zu reinigenden Oberfläche und dem Element zur mechanischen Bearbeitung C eine geänderte Orientierung. So ist es möglich, das Heizelement B für den Transport vor dem Element zur mechanischen Bearbeitung B, beispielsweise dem Bürstenkasten, senkrecht nach oben in eine Transportstellung zu klappen, in welcher es gegenüber der Arbeitsstellung um z. B. 90° gekippt ist. Ebenfalls möglich ist beispielsweise, das Heizelement z. B. um eine senkrechte Achse seitlich in eine Transportstellung unter dem Element zur mechanischen Bearbeitung zu verschwenken. Für derartige Ausgestaltungen kann als Längenreduktionsvorrichtung eine entsprechende Dreh- Schwenk- bzw. Kippvorrichtung vorgesehen sein.In further embodiments, the heating element B has the heating element B in the transport position with respect to the ground or the surface to be cleaned and the element for mechanical processing C a changed orientation. Thus, it is possible to fold the heating element B for transport before the element for mechanical processing B, for example, the brush box, vertically upwards in a transport position in which it is compared to the working position to z. B. is tilted 90 °. Also possible, for example, the heating element z. B. to pivot about a vertical axis laterally in a transport position under the element for mechanical processing. For such embodiments may be provided as a length reduction device, a corresponding rotary pan or tilting device.

In einer beispielhaften Ausgestaltung ist das Element ein Element zum Absaugen in seiner Saugleistung kontinuierlich oder in Stufe steuerbar oder regelbar. Eine steuerbare, regelbare, oder allgemein einstellbare Saugleistung ist insbesondere bei Inbetriebnahme der Vorrichtung in einer Aufheizphase vorteilhaft, um in der Aufheizphase des oder der Heissdampferzeugers vorübergehend aus den Dampfaustrittsöffnungen des Dampffeldes austretendes flüssiges Wasser abzusaugenIn an exemplary embodiment, the element is an element for suction in its suction power continuously or in step controllable or adjustable. A controllable, controllable, or generally adjustable suction power is particularly advantageous when the device is put into operation in a heating phase in order to temporarily draw off liquid water emerging from the steam outlet openings of the steam field in the heating phase of the hot steam generator or steam generators

In einer beispielhaften Ausführungsform umfasst die Vorrichtung mit dem Element zum Absaugen gekoppelte Filtereinrichtung zum Ausfiltern von Schmutzpartikeln. Mit einer derartigen Vorrichtung können feste Schmutzpartikel separat gesammelt werden, etwa in einer Schmutzschublade. Zum Ausfiltern der Schmutzpartikel eignet sich beispielsweise ein Zyklonabscheider grundsätzlich bekannter Bauart.In an exemplary embodiment, the device includes filter means coupled to the aspiration element for filtering debris. With such a device solid dirt particles can be collected separately, such as in a dirt drawer. For filtering out the dirt particles, for example, a cyclone separator of basically known type is suitable.

In einer beispielhaften Ausführungsform umfasst die Vorrichtung eine Reinigungsvorrichtung zur Reinigung des abgesaugten Wassers, wobei die Reinigungsvorrichtung mit der Vorrichtung zum Absaugen D und einem Auffangbehälter gekoppelt ist. Bei genügend guter Reinigung kann als Auffangbehälter unmittelbar der Frischwasserbehälter dienen, der das Frischwasser zur Dampferzeugung bevorratet. In einer derartigen Ausführungsform besteht ein zumindest teilweise geschlossener Wasserkreislauf. Weitere oder alter- native Einrichtungen zur physikalischen, biologischen bzw. chemischen Reinigung oder Aufbereitung des Wassers können bei Bedarf ebenfalls vorgesehen werden.In an exemplary embodiment, the device comprises a cleaning device for cleaning the extracted water, wherein the cleaning device is coupled to the device for suction D and a collecting container. With sufficiently good cleaning can serve as a container directly the fresh water tank, which stores the fresh water for steam generation. In such an embodiment, there is an at least partially closed water cycle. Other or alternative facilities for physical, biological or chemical cleaning or treatment of the water can also be provided if necessary.

In einer beispielhaften Ausführungsform ist das Element zur mechanischen Bearbeitung der zu reinigenden Oberfläche mittels einstellbaren Schwenkrollen ausgerüstet, insbesondere mit wenigstens sechs Schwenkrollen, welche in der Höhe verstellbar sind.In an exemplary embodiment, the element for machining the surface to be cleaned by means of adjustable casters is equipped, in particular with at least six casters, which are adjustable in height.

In einer beispielhaften Ausführungsform mit einem Sprühelement A ist das Sprühelement A in der Höhe und in der Neigung verstellbar fixiert und weist wenigstens vier Düsen auf, wobei jede Düse vorzugsweise ein Nachtropfen verhinderndes Ventil aufweist.In an exemplary embodiment with a spray element A, the spray element A is adjustably fixed in height and in inclination and has at least four nozzles, each nozzle preferably having a drip-preventing valve.

In einer beispielhaften Ausführungsform weist das Heizelement B wenigstens zwei unabhängige, horizontal angeordnete, Heisswasserdampf führende Rohre, welche auf den Seiten, welche der zu reinigenden Oberfläche zugewandt sind, Öffnungen für den Austritt von Heisswasserdampf haben. Vorzugsweise sind ferner im Innern des Heizelementes B Reinigungsmittel führende Rohre in schlangenlinienförmiger Anordnung vorhanden, wobei die Rohre auf der Unterseite in regelmässigen Abständen Bohrungen aufweisen, durch welche das Reinigungsmittel nach unten auf die zu reinigende Oberfläche strömen kann.In an exemplary embodiment, the heating element B has at least two independent, horizontally arranged, hot steam pipes, which have openings for the discharge of hot water vapor on the sides, which face the surface to be cleaned. Preferably, in the interior of the heating element B cleaning-carrying tubes are present in a serpentine arrangement, wherein the tubes on the bottom at regular intervals have holes through which the detergent can flow down to the surface to be cleaned.

In einer beispielhaften Ausführungsform ist das Heizelement B auf seiner Oberseite mittels eines kardanischen Gelenks an einem Trägerrahmen befestigt, welches die erforderlichen Nick- und Gierbewegungen des Heizelementes B gewährleistet.In an exemplary embodiment, the heating element B is secured on its upper side by means of a gimbal joint to a support frame, which ensures the necessary pitching and yawing movements of the heating element B.

In einer beispielhaften Ausführungsform sind die einzelnen Teilelemente im Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche rotierende, zylinderförmige Bürsten mit quer zur Arbeitsrichtung horizontal angeordneten Achsen, wobei jede Bürste individuell an einem einzelnen Support befestigt ist, wobei jeder Support mittels einer in Arbeitsrichtung schleppend angeordneten Parallelogramm-Aufhängung am Bürstenkasten C befestigt ist.In an exemplary embodiment, the individual sub-elements in the element C for machining the surface to be cleaned are rotating cylindrical brushes with axes arranged horizontally transversely to the working direction, each brush being individually fastened to a single support, each support slidably arranged in the working direction Parallelogram suspension is attached to the brush box C.

In einer beispielhaften Ausgestaltung einer solchen Ausführungsform ist an jedem Support in Arbeitsrichtung beidseitig lateral je eine nach unten gerichtete Lasche befestigt, wobei sich an der ersten Lasche, welche auf der Seite des Fahrersitzes angeordnet ist, die Lagerung für die Achse der Bürstenwalze befindet, und wobei an der gegenüberliegenden zweiten Lasche ein hydraulischer Direktantrieb befestigt ist, welcher die Bürstenwalze antreibt.In an exemplary embodiment of such an embodiment, a downwardly directed tab is laterally attached to each support in the working direction on both sides, wherein the first tab, which is arranged on the side of the driver's seat, the support for the axis of the brush roller, and wherein on the opposite second tab, a hydraulic direct drive is attached, which drives the brush roller.

In einer beispielhaften Ausführungsform umfasst das Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche wenigstens zwei, vorzugsweise drei, Teilelemente 11 in der Form von rotierenden, sich um quer zur Arbeitsrichtung horizontal angeordnete Achsen drehende Bürstenwalzen,

  • welche unabhängig voneinander sowohl vorwärts als auch rückwärts rotierbar sind,
  • welche unabhängig voneinander in der Drehzahl einstellbar sind, und
  • welche unabhängig voneinander im Auflagedruck auf die zu reinigende Oberfläche einstellbar sind.
In an exemplary embodiment, the element C for machining the surface to be cleaned comprises at least two, preferably three, sub-elements 11 in the form of rotating brush rollers rotating about axes arranged transversely to the working direction,
  • which are independently rotatable both forward and backward,
  • which are independently adjustable in speed, and
  • which are independently adjustable in the contact pressure on the surface to be cleaned.

In einer beispielhaften Ausgestaltung einer solchen Ausführungsform befindet sich in den Zwischenräumen zwischen den Bürstenwalzen wenigstens ein zusätzliches Heissdampfrohr, welches auf der Seite, welche der zu reinigenden Oberfläche zugewandt sind, Öffnungen für den Austritt von Heisswasserdampf hat, wobei dieses Heissdampfrohr der Applikation vonIn an exemplary embodiment of such an embodiment is located in the spaces between the brush rollers at least one additional hot steam pipe, which has on the side facing the surface to be cleaned, openings for the discharge of hot water vapor, said hot steam tube of the application of

Heisswasserdampf und wenigstens einem Reinigungsmittel auf die zu reinigende Oberfläche dient. Ferner sind zwischen der letzten Bürstenwalze und der Innenseite der in Arbeitsrichtung hinten angeordneten Abschlusswand des Bürstenkastens an einem Schwemmrohr wenigstens drei Bohrungen angeordnet, durch welche Wasser austreten kann, mit welchem die zu reinigende Oberfläche benetzt werden kann.Hot steam and at least one detergent on the surface to be cleaned is used. Further, between the last brush roller and the inside arranged in the direction of the rear end wall of the brush box on a Schwemmrohr at least three holes through which water can escape, with which the surface to be cleaned can be wetted.

In einer beispielhaften Ausführungsform hat das Element D zum Absaugen der Schmutzpartikel sowie des Reinigungsmittels und des kondensierten Wassers von der gereinigten Oberfläche die Form eines in Arbeitsrichtung nach vorne gerichteten sichelförmigen oder U-förmigen Hohlkörpers hat, welcher gegen die zu reinigende Oberfläche rundum abgedichtet ist, und wobei dieses Element D mittels einer in Arbeitsrichtung schleppend angeordneten Parallelogramm-Aufhängung am Bürstenkasten C befestigt ist.In an exemplary embodiment, the element D for sucking the dirt particles and the cleaning agent and the condensed water from the cleaned surface has the shape of a working direction forward crescent-shaped or U-shaped hollow body which is sealed against the surface to be cleaned, and wherein this element D is fixed to the brush box C by means of a dragging parallelogram suspension in the working direction.

In einer beispielhaften Ausführungsform ist zwischen dem Schmutzwassertank und dem Element, welches ein Vakuum erzeugt, ein Absperrventil und ein mittels Schwimmerkugel schliessendes Ventil vorhanden.In an exemplary embodiment, there is a check valve and a float ball closing valve between the dirty water tank and the vacuum generating element.

In einer beispielhaften Ausführungsform ist der vorzugsweise vorhandene Schmutzwassertank mit einer Wartungs- und Reinigungsöffnung, sowie vorzugsweise auch mit einer Anschlussöffnung für den Betrieb eines zusätzlichen Saugelements, ausgerüstet.In an exemplary embodiment of the preferably existing waste water tank with a maintenance and cleaning opening, and preferably also with a connection opening for the operation of an additional Saugelements equipped.

In einer beispielhaften Ausführungsform das weist Element, welches ein Vakuum erzeugt, eine nach oben gerichtete Öffnung für den Luftaustritt auf.In an exemplary embodiment, the element that creates a vacuum has an upward opening for the air outlet.

In einer beispielhaften Ausführungsform weisst jeder vorzugsweise vorhandene Heissdampferzeuger eine Leistung von wenigstens 50 kW auf.In an exemplary embodiment, each preferably existing hot steam generator has a power of at least 50 kW.

In einer beispielhaften Ausführungsform befindet sich zwischen dem Heizelement B und dem Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche eine flexible Abdichtung, welche im Querschnitt die Form eines Wulstes hat, und vorzugsweise aus Gummi gefertigt ist.In an exemplary embodiment, located between the heating element B and the element C for mechanical processing of the surface to be cleaned, a flexible seal, which has the shape of a bead in cross-section, and is preferably made of rubber.

In einer beispielhaften Ausführungsform ist ein vorzugsweise vorhandenes Schwemmrohr 16 über Verbindungsleitungen mit dem vorzugsweise vorhandenen Frischwassertank verbunden, wobei der Frischwassertank zur Erzeugung des benötigten Arbeitsdrucks mit einer Druck-Wasserpumpe verbunden ist.In an exemplary embodiment, a preferably existing Schwemmrohr 16 is connected via connecting lines with the preferably existing fresh water tank, wherein the fresh water tank is connected to generate the required working pressure with a pressure water pump.

In einer beispielhaften Ausführungsform sind auf dem Heizelement B Injektorventile vorhanden, durch welche zusätzliches Reinigungsmittel aus in manchen Ausführungsformen vorhandenen Vorratsbehältnisse 2a,2b,2c,2d in die Heisswasserdampf führenden Rohre eingespeist werden kann.In an exemplary embodiment, injector valves are present on the heating element B, through which additional cleaning agent from existing in some embodiments storage containers 2 a, 2 b, 2 c, 2 d can be fed into the hot steam pipes leading.

Ausführungsbeispieleembodiments

Im folgenden Teil werden mögliche Ausführungsformen der vorliegenden Erfindung beschrieben. Dabei wird auch Bezug auf die Figuren genommen.

  • Figur 1 zeigt rein schematisch in Arbeitsrichtung eines Trägerfahrzeugs die linke Seite einer möglichen Ausführungsform der erfindungsgemässen Vorrichtung.
  • Figur 2 zeigt rein schematisch in Arbeitsrichtung eines Trägerfahrzeugs die rechte Seite einer möglichen Ausführungsform der erfindungsgemässen Vorrichtung.
  • Figur 3 zeigt rein schematisch eine mögliche Anordnung von horizontalen, schlangenförmig angeordneten, rohrförmigen Heisswasserdampf führenden Rohren 9.
  • Figur 4 zeigt rein schematisch die Draufsicht auf die Ladefläche F eines Trägerfahrzeugs einer möglichen Ausführungsform der erfindungsgemässen Vorrichtung.
  • Figur 5 zeigt schematisch ein Heizelement B und eine Vorrichtung zur mechanischen Bearbeitung einer alternativen erfindungsgemässen Vorrichtung.
  • Figur 6 zeigt eine Anordnung ähnlich Figur 5, montiert auf und an einem Trägerfahrzeug.
The following part describes possible embodiments of the present invention. It also refers to the figures.
  • FIG. 1 shows purely schematically in the working direction of a carrier vehicle, the left side of a possible embodiment of the inventive device.
  • FIG. 2 shows purely schematically in the working direction of a carrier vehicle, the right side of a possible embodiment of the inventive device.
  • FIG. 3 shows purely schematically a possible arrangement of horizontal, serpentine arranged, tubular hot steam pipes 9 leading.
  • FIG. 4 shows purely schematically the plan view of the loading surface F of a carrier vehicle of a possible embodiment of the inventive device.
  • FIG. 5 shows schematically a heating element B and a device for mechanical processing of an alternative device according to the invention.
  • FIG. 6 shows an arrangement similar FIG. 5 , mounted on and on a carrier vehicle.

In den Figuren 1 bis 4 ist die Arbeitsrichtung mit einem Pfeil dargestellt. Als Trägerfahrzeug für die erfindungsgemässe Vorrichtung kann ein handelsüblicher Kommunaltransporter mit stufenlosem hydrostatischem Fahrantrieb, welcher bei Nenndrehzahl des Antriebsmotors eine minimale Arbeitsgeschwindigkeit von beispielsweise < 1 km/h erlaubt, verwendet werden.In the FIGS. 1 to 4 the working direction is shown with an arrow. As a carrier vehicle for the inventive device, a commercial municipal transporter with continuous hydrostatic drive, which at nominal speed of the drive motor, a minimum operating speed of, for example, <1 km / h allowed to be used.

Geeignete Trägerfahrzeuge sind beispielsweise die Fahrzeuge der Serie Ladog T1150 bis T1550 der Firma Ladog-Fahrzeugbau und Vertriebs GmbH in D-77736 Zell am Harmersbach / Deutschland.Suitable carrier vehicles are, for example, the vehicles of the Ladog T1150 to T1550 series from Ladog-Fahrzeugbau and Vertriebs GmbH in D-77736 Zell am Harmersbach / Germany.

Auch wenn hier von einem üblichen Kraftfahrzeug als mobiler Plattform ausgegangen wird, ist die nicht zwingend. Ebenso könnte die mobile Plattform ein Spezialfahrzeug sein. Ferner kann die mobile Plattform alternativ durch eine autonom, d. h. fahrerlos fahrende mobile Plattform gebildet werden, welche z. B. einen ganz oder teilweise vorgeplanten Reinigungspfad abfährt. Grundsätzlich ist es auch möglich, verschiedne Komponenten der Vorrichtung auf verschiedenen mobilen Plattformen anzuordnen, wobei diese sich im Betrieb koordiniert bewegen und beispielsweise hintereinander fahren. Grundsätzlich ebenfalls möglich ist eine mobile Plattform, welche im Gegensatz zu den hier dargestellten Ausführungsbeispielen nicht automobil, also selbstfahrend ist, sondern beispielsweise als Fahrzeuganhänger ausgelegt ist oder auch von einer Person, ggf. motorisch unterstütz, geschoben wird.Even if it is assumed that a conventional motor vehicle as a mobile platform, which is not mandatory. Likewise, the mobile platform could be a special vehicle. Furthermore, the mobile platform may alternatively be provided by an autonomous, i. H. driverless moving mobile platform are formed, which z. B. departs a wholly or partially pre-planned cleaning path. In principle, it is also possible to arrange different components of the device on different mobile platforms, these moving in coordinated operation and, for example, driving one behind the other. Basically also possible is a mobile platform, which in contrast to the embodiments shown here is not automotive, so is self-propelled, but is designed for example as a vehicle trailer or even by a person, possibly assisted by motor, pushed.

In Arbeitsrichtung sind vor dem Trägerfahrzeug hintereinander in demontierbarer Form die folgenden Elemente angebaut:

  • das optionale Sprühelement A zur Applikation von wenigstens einem Reinigungsmittel auf die zu reinigende Oberfläche,
  • das Heizelement B zur Aufwärmung der zu reinigenden Oberfläche,
  • das Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche, und
  • das Element D zum Absaugen der Schmutzpartikel sowie des Reinigungsmittels und deskondensierten Wassers von der gereinigten Oberfläche.
In the working direction, the following elements are mounted one behind the other in demountable form in front of the carrier vehicle:
  • the optional spray element A for the application of at least one cleaning agent to the surface to be cleaned,
  • the heating element B for heating the surface to be cleaned,
  • the element C for mechanical processing of the surface to be cleaned, and
  • the element D for sucking the dirt particles and the cleaning agent and the condensed water from the cleaned surface.

Diese Elemente A, B, C, D können zu Transportzwecken optional mittels der am Trägerfahrzeug vorhandenen Ölhydraulikanlage 1 angehoben werden. Auf der nach hinten kippbaren Ladefläche F des Trägerfahrzeugs, welche sich hinter der Fahrerkabine E befindet, sind unter anderem beispielsweise vier Vorratsbehältnisse 2a, 2b, 2c, 2d für die Reinigungsmittel, zwei Heissdampferzeuger 3a, 3b, der Schmutzwassertank 4 und die Vorrichtung 5 zur Erzeugung von elektrischer Energie in einem demontierbaren Trägerrahmen 6 eingebaut.These elements A, B, C, D can be raised for transport purposes optionally by means of existing on the carrier vehicle oil hydraulic system 1. For example, four storage containers 2a, 2b, 2c, 2d for the cleaning agents, two hot steam generators 3a, 3b, the dirty water tank 4 and the device 5 for generating are on the rearward tiltable loading surface F of the carrier vehicle, which is located behind the driver's cab E of electrical energy installed in a demountable support frame 6.

Das Sprühelement A ist vorzugsweise in der Höhe und in der Neigung verstellbar fixiert und weist beispielsweise wenigstens vier Düsen 7 auf, wobei jede Düse 7 vorzugsweise ein Nachtropfen verhinderndes Ventil aufweist.The spray element A is preferably fixed in height adjustable in inclination and has for example at least four nozzles 7, wherein each nozzle 7 preferably has a dripping preventing valve.

Das Heizelement B zur Aufwärmung der zu reinigenden Oberfläche ist aus rostfreiem Stahl hergestellt und hat die Form einer nach unten offenen Wanne und stellt das eigentliche Dampffeld B dar. Ein (nicht dargestellter) Dampfhomogenisierer kann optional vorhanden sein.The heating element B for heating the surface to be cleaned is made of stainless steel and has the shape of a downwardly open trough and represents the actual steam field B. A (not shown) Dampfhomogenisierer may optionally be present.

Das Heizelement B ist bevorzugt beweglich an das Element C zur mechanischen Bearbeitung der zu reinigenden Oberfläche, also dem Bürstenkasten C, angebaut.The heating element B is preferably movable to the element C for mechanical processing of the surface to be cleaned, ie the brush box C, grown.

Das Heizelement B kann bevorzugt wiederum mittels Ölhydraulik 1 zu Transportzwecken separat angehoben werden und ist bis zu einem Neigungswinkel von max. 45° seitlich und längs unabhängig pendelnd aufgehängt.The heating element B can preferably be lifted separately by means of oil hydraulics 1 for transport purposes and is up to a tilt angle of max. 45 ° laterally and independently suspended pendulum.

Die Distanz zwischen Boden und Dampffeld B kann mittels höhenverstellbaren Schwenkrollen 8 und Anschlagpuffern am Bürstenkasten C eingestellt werden.The distance between the bottom and steam field B can be adjusted by means of height-adjustable casters 8 and stop buffers on the brush box C.

Im Innern des Heizelementes B sind vorzugsweise horizontal im Abstand von wenigen Zentimetern zur zu reinigenden Oberfläche Heisswasserdampf führende Rohre 9 in schlangenlinienförmiger Anordnung befestigt.In the interior of the heating element B are preferably horizontally at a distance of a few centimeters to the surface to be cleaned hot water steam pipes 9 secured in a serpentine arrangement.

Diese Rohre 9 weisen auf der Unterseite in regelmässigen Abständen Dampfaustrittsöffnungen in Form von Bohrungen auf, durch welche der Heisswasserdampf nach unten auf die zu reinigende Oberfläche strömt und die zu reinigende Oberfläche auf die für den Reinigungsvorgang erforderliche Temperatur aufheizt. Ein nicht dargestellter Dampfhomogenisierer kann, in Form eines flächigen Edelstahlgewebes unterhalb der Bohrungen angeordnet sein. Der benötigte Heisswasserdampf wird beispielhaft in den beiden Heissdampferzeugern 3a, 3b erzeugt.These tubes 9 have on the bottom at regular intervals steam outlet openings in the form of holes through which the hot steam flows down to the surface to be cleaned and heats the surface to be cleaned to the temperature required for the cleaning process. An unillustrated Dampfhomogenisierer may be arranged in the form of a flat stainless steel mesh below the holes. The required hot steam is generated by way of example in the two hot steam generators 3a, 3b.

Im Innern des Heizelementes B können zusätzlich horizontal im Abstand von wenigen Zentimetern zur zu reinigenden Oberfläche Reinigungsmittel führende Rohre 33 in schlangenlinienförmiger Anordnung befestigt sein. Diese Rohre 33 weisen auf der Unterseite in regelmässigen Abständen Bohrungen auf, durch welche das Reinigungsmittel nach unten auf die zu reinigende Oberfläche strömt.In the interior of the heating element B can also horizontally at a distance of a few centimeters to the surface to be cleaned detergent leading tubes 33 in be secured snaking line arrangement. These tubes 33 have on the bottom at regular intervals holes through which the detergent flows down to the surface to be cleaned.

Auf dem Heizelement B können zusätzlich Injektorventile vorhanden sein, welche es erlauben, zusätzliches Reinigungsmittel aus den Vorratsbehältnissen 2a, 2b, 2c, 2d in die Heisswasserdampf führende Rohre 9 einzuspeisen.On the heating element B injector valves may additionally be present, which allow additional detergent from the storage containers 2 a, 2 b, 2 c, 2 d feed into the hot water vapor-carrying tubes 9.

Der Rand des Dampffeldes B kann mittels einer Dampfaustrittssperre in Form geeigneten Dichtprofilen oder Dichtbürsten gegen aussen so abgeschirmt werden, dass möglichst wenig Dampf aus dem Raum oberhalb der zu reinigenden Oberfläche entweichen kann. Ebenfalls möglich sind andere in der allgemeinen Beschreibung der Erfindung dargestellte Dampfaustrittssperren, etwa ein fluidischer Druckluftvorhang.The edge of the steam field B can be shielded from the outside by means of a vapor escape barrier in the form of suitable sealing profiles or sealing brushes so that as little steam as possible can escape from the space above the surface to be cleaned. Also possible are other vapor escape barriers shown in the general description of the invention, such as a fluidic air curtain.

Der Bürstenkasten C deckt vorzugsweise die gesamte Arbeitsbreite von beispielsweise 1250 mm ab und hat insbesondere die Form eines nach oben geschlossenen Kastens.The brush box C preferably covers the entire working width of, for example, 1250 mm and in particular has the shape of an upwardly closed box.

Der Bürstenkasten C ist aus einer stabilen Blechkonstruktion gefertigt. Der Bürstenkasten C ist nach unten, also gegen die zu reinigende Oberfläche, offen.The brush box C is made of a stable sheet metal construction. The brush box C is down, ie against the surface to be cleaned, open.

Im Innern des Bürstenkastens C befinden sich beispielsweise zwei, vorzugsweise drei, unabhängig voneinander aufgehängte Bürstenträgerrahmen 10a,10b,10c, welche ihrerseits die quer zur Arbeitsrichtung horizontal angeordneten und rotierenden Bürstenwalzen 11 a, 11 b, 11ctragen.In the interior of the brush box C are, for example, two, preferably three, independently suspended brush carrier frame 10a, 10b, 10c, which in turn transversely to the direction horizontal arranged and rotating brush rollers 11 a, 11 b, 11ctragen.

Diese Bürstenwalzen 11a, 11b, 11c sind vorzugsweise

  • unabhängig voneinander sowohl vorwärts als auch rückwärts rotierbar,
  • unabhängig voneinander in der Drehzahl einstellbar, und
  • unabhängig voneinander im Auflagedruck auf die zu reinigende Oberfläche einstellbar wobei optional der Auflagedruck an der linken und rechten Bürstenaufhängung separat einstellbar ist.
These brush rollers 11a, 11b, 11c are preferably
  • independently rotatable both forwards and backwards,
  • independently adjustable in speed, and
  • independently adjustable in the contact pressure on the surface to be cleaned with optionally optional the contact pressure on the left and right brush suspension is adjustable.

Geeignete Bürstenwalzen 11a, 11b, 11c sind beispielsweise bei der Firma Zeintra AG in CH-9500 Wil (SG) / Schweiz erhältlich.Suitable brush rollers 11a, 11b, 11c are available, for example, from Zeintra AG in CH-9500 Wil (SG) / Switzerland.

Die Bürstenträgerrahmen 10a, 10b, 10c sind mittels je zwei Ölhydraulikzylindern und vier Trägern in einem Parallelogramm, in Arbeitsrichtung gesehen schleppend, am Bürstenkasten C befestigt.The brush carrier frame 10a, 10b, 10c are by means of two oil hydraulic cylinders and four carriers in a parallelogram, slid in the direction seen, attached to the brush box C.

Die bewegliche Lagerung des Parallelogramms basiert beispielsweise auf Rosta®-Gummifederelementen. Die einzelnen Bürstenträgerrahmen 10a,10b,10c lassen sich in der Höhe gegenüber dem Bürstenkasten C ölhydraulisch in der Höhe verstellen.The movable storage of the parallelogram is based on, for example, Rosta® rubber spring elements. The individual brush carrier frames 10a, 10b, 10c can be adjusted in height with respect to the brush box C in an oil-hydraulic manner.

Der individuelle Auflagedruck der Bürstenträgerrahmen 10a, 10b, 10c und somit der Bürstenwalzen 11a, 11b, 11c kann mittels einer elektrohydraulischen Steuerung 12 belastet und entlastet werden.The individual contact pressure of the brush carrier frames 10a, 10b, 10c and thus of the brush rollers 11a, 11b, 11c can be loaded and unloaded by means of an electro-hydraulic control 12.

Die in den Bürstenträgerrahmen 10a, 10b, 10c eingebauten Bürstenwalzen 11 a, 11 b, 11c verfügen je über einen hydraulischen Direktantrieb 13a, 13b, 13c mittels Hydraulikmotor. Diese Hydraulikmotoren 13a,13b,13c können jeweils je einzeln unabhängig voneinander in Drehrichtung und Drehzahl verstellt werden.The brush rollers 11 a, 11 b, 11 c installed in the brush carrier frames 10 a, 10 b, 10 c each have a hydraulic direct drive 13 a, 13 b, 13 c by means of a hydraulic motor. These hydraulic motors 13a, 13b, 13c can each be individually adjusted independently of each other in the direction of rotation and speed.

Die Anordnung der Bürstenwalzen 11a, 11b, 11c und der entsprechenden Direktantriebe 13a, 13b, 13c sind im Bürstenkasten C so ausgelegt, dass wenigstens auf der linken Seite, in Arbeitsrichtung des Trägerfahrzeugs, die Bürstenwalzen 11a, 11b, 11c so nahe wie möglich an den Rand der zu reinigenden Oberfläche gefahren werden können. Dies ermöglicht bis auf wenige Zentimeter das Reinigen von Oberflächen, welche durch Wände, Stellriemen-Bordsteinkanten und dergleichen begrenzt werden.The arrangement of the brush rollers 11a, 11b, 11c and the corresponding direct drives 13a, 13b, 13c are designed in the brush box C so that at least on the left side, in the working direction of the host vehicle, the brush rollers 11a, 11b, 11c as close as possible to the Edge of the surface to be cleaned can be driven. This allows, except for a few centimeters, the cleaning of surfaces which are bounded by walls, belt curbs and the like.

Hydraulische Antriebe bieten sich beim hier beispielhaft gezeigten Einsatz eines Trägerfahrzeugs typischerweise an. Je nach verwendeter mobiler Plattform und sonstiger zu berücksichtiger Rahmenbedingungen können aber auch ganz oder teilweise andere Antriebe eingesetzt werden, etwa elektrische und/oder pneumatische Antriebe.Hydraulic drives are typically found in the use of a carrier vehicle shown here by way of example. Depending on the used mobile platform and other conditions to be taken into account but also completely or partially other drives can be used, such as electric and / or pneumatic drives.

Der Fahrersitz ist beispielhaft in Arbeitsrichtung auf der linken Seite der Fahrerkabine E angebracht. Deshalb kann der Fahrer die in Arbeitsrichtung linke Seite, wie oben erwähnt, präzise einsehen.The driver's seat is attached by way of example in the working direction on the left side of the driver's cab E. Therefore, the driver can precisely view the left side in the working direction as mentioned above.

An der Unterseite der einzelnen Bürstenträgerrahmen 10a, 10b, 10c und neben den Bürstenwalzen 11a, 11b, 11c können weitere Heissdampfrohre 14 angebracht sein, welche dazu dienen, die Arbeitstemperatur innerhalb des Bürstenkastens C auf der gewünschten Temperatur zu halten. Die Gestaltung und Befestigung dieser Heissdampfrohre 14 erfolgt in gleicher Weise wie im Dampffeld B.On the underside of the individual brush carrier frames 10a, 10b, 10c and next to the brush rollers 11a, 11b, 11c further hot steam tubes 14 may be mounted, which serve to maintain the working temperature within the brush box C at the desired temperature. The design and fastening of these hot steam pipes 14 takes place in the same way as in the steam field B.

Auf dem Bürstenkasten C können zusätzlich Injektorventile vorhanden sein, welche es erlauben, zusätzliches Reinigungsmittel aus den Vorratsbehältnissen 2a, 2b, 2c, 2d in die Heissdampfrohre 14 einzuspeisen.In addition, injector valves may be present on the brush box C, which allow additional cleaning agent to be fed from the storage containers 2 a, 2 b, 2 c, 2 d into the hot steam pipes 14.

Zwischen der letzten Bürstenwalze 11c und der Innenseite der in Arbeitsrichtung hinten angeordneten Abschlusswand 15 des Bürstenkastens C sind optional an einem Schwemmrohr 16 z. B. drei Bohrungen angeordnet, durch welche Wasser austreten kann, mit welchem die zu reinigende Oberfläche besprüht werden kann. Mit dieser Massnahme werden Staub und Schmutz gebunden.Between the last brush roller 11 c and the inside of the rear end wall 15 of the brush box C arranged in the working direction are optionally attached to a flume pipe 16 z. B. three holes arranged through which water can escape, with which the surface to be cleaned can be sprayed. This measure binds dust and dirt.

Der Rand des Bürstenkastens C wird mittels geeigneten Dichtprofilen oder Dichtbürsten gegen aussen derart abdichtet, dass möglichst wenige Hitze und Schmutzwasser aus dem durch Bürstenkasten C und zu reinigender Oberfläche gebildeten Raum austreten kann.The edge of the brush box C is sealed by means of suitable sealing profiles or sealing brushes against the outside so that as few heat and dirty water can escape from the space formed by brush box C and surface to be cleaned.

Sämtliche für den Betrieb des Elementes C zur mechanischen Bearbeitung der zu reinigenden Oberfläche erforderlichen Hydraulikaggregate, also Steuerventile, Zylinder und Hydraulikmotoren, sind vorzugsweise in der elektrohydraulischen Steuerung 12 eingebaut, welche beispielhaft auf dem Bürstenkasten C aufgebaut ist.All necessary for the operation of the element C for mechanical processing of the surface to be cleaned hydraulic units, so control valves, cylinders and hydraulic motors are preferably installed in the electro-hydraulic control 12, which is exemplified on the brush box C.

Die gleichmässige Distanz des Bürstenkastens C zur zu reinigenden Oberfläche kann mittels höhenverstellbaren Schwenk- und Transportrollen 8 sichergestellt werden. Der Bürstenkasten C ist dazu vorzugsweise seitlich und in Längsrichtung bis zu einem Winkel von 45° unabhängig vom Trägerfahrzeug pendelnd aufgehängt.The uniform distance of the brush box C to be cleaned surface can be ensured by means of height-adjustable swivel and transport rollers 8. The brush box C is preferably suspended laterally and longitudinally up to an angle of 45 ° independently of the carrier vehicle pendulum.

In Arbeitsrichtung hinter dem Bürstenkasten C befindet sich vorzugsweise in schleppender Anordnung das mittels eines Trapezgestänges am Bürstenkasten C befestigte Element D zum Absaugen der Schmutzpartikel sowie des Reinigungsmittels und des kondensierten Wassers von der gereinigten Oberfläche.In the working direction behind the brush box C is preferably in a sluggish arrangement attached by means of a trapezoidal linkage on the brush box C element D for sucking the dirt particles and the cleaning agent and the condensed water from the cleaned surface.

Dieses Element D zum Absaugen hat vorzugsweise die Form eines Saugstutzens 17, welcher sich ebenfalls über die gesamte Arbeitsbreite erstreckt. Der Saugstutzen 17 kann entweder sichelförmig sein oder hat insbesondere eine in Arbeitsrichtung nach vorne gebogene U-Form, durch dessen Gestaltung der aufzusaugende Schmutz während der Fahrt in Arbeitsrichtung optimal zur zentral gelegenen Absaugöffnung geführt wird.This element D for suction preferably has the form of a suction nozzle 17, which also extends over the entire working width. The suction nozzle 17 may either be sickle-shaped or in particular has a forwardly curved U-shape in the working direction, through the design of the aufzusaugende dirt while driving in the working direction is optimally guided to the centrally located suction.

Die gleichmässige Distanz des Saugstutzens 17 zur gereinigten Oberfläche kann mittels höhenverstellbaren Transportrollen sichergestellt werden. Beim Rückwärtsfahren des Trägerfahrzeuges wird der Saugstutzen 17 zur Vermeidung von Beschädigungen vorzugsweise automatisch nach oben weggeschwenkt.The uniform distance of the suction nozzle 17 to the cleaned surface can be ensured by means of height-adjustable transport rollers. When reversing the carrier vehicle, the suction nozzle 17 is preferably pivoted away to avoid damage to the top.

Von der zentral gelegenen Absaugöffnung des Saugstutzens 17 führt eine transparente und vakuumbeständige Saugleitung 18 zum Schmutzwassertank 4, welcher sich zuhinterst auf der Ladefläche F des Trägerfahrzeugs befindet. Der Schmutzwassertank 4 erstreckt sich über die gesamte Breite der Ladefläche F des Trägerfahrzeuges.From the centrally located suction opening of the suction nozzle 17, a transparent and vacuum-resistant suction line 18 leads to the dirty water tank 4, which is located at the back of the loading area F of the carrier vehicle. The waste water tank 4 extends over the entire width of the loading surface F of the carrier vehicle.

In die Saugleitung 18 ist ein Rückschlagventil eingebaut, welches verhindert, dass Schmutzwasser zurück in den Saugstutzen 17 gelangen kann.In the suction line 18, a check valve is installed, which prevents dirty water can get back into the suction nozzle 17.

Der Antrieb sämtlicher Komponenten der exemplarischen Vorrichtung erfolgt vorzugsweise mittels Proportionalhydraulik, welche vom Trägerfahrzeug mittels Druck-, Rücklauf- und Leckölanschlüssen in ausreichendem Druck und in genügend grosser Durchflussmenge in mehreren, voneinander unabhängigen Kreisläufen zur Verfügung gestellt werden.The drive of all components of the exemplary device is preferably carried out by means of proportional hydraulic, which are provided by the carrier vehicle by means of pressure, return and leakage oil connections in sufficient pressure and in sufficiently large flow in several independent circuits.

Die Hydraulikfunktionen werden von elektrischen Proportionalventilen gesteuert, welche sich in der elektrohydraulischen Steuerung 12 auf dem Bürstenkasten C befinden und die ihre Ölversorgung von den vorderen Druck-, Rücklauf- und Leckölanschlüssen am Trägerfahrzeug beziehen.The hydraulic functions are controlled by electric proportional valves located in the electrohydraulic controller 12 on the brush box C and which receive their oil supply from the forward pressure, return and drain oil connections on the host vehicle.

Die Bedienung und Überwachung der Hydraulikfunktionen, der Drehzahlen und des Auflagedrucks der Bürstenwalzen 11a, 11b, 11c erfolgt mittels elektrischer Steuerung 19 aus der Fahrerkabine E. Diese elektrische Steuerung 19 ist hier beispielhaft anstelle eines Beifahrersitzes auf der in Arbeitsrichtung rechten Seite in der Fahrerkabine E angebracht.The operation and monitoring of the hydraulic functions, the speeds and the contact pressure of the brush rollers 11a, 11b, 11c takes place by means of electrical control 19 from the driver's cab E. This electric control 19 is here for example mounted instead of a passenger seat on the right in the direction of the driver's cabin E. ,

Auf der nach hinten kippbaren Ladefläche F des Trägerfahrzeugs ist ein demontierbarer Trägerrahmen 6 aufgebaut. Der Schmutzwassertank 4 wird mittels einer seitlich davon angeordneten hydraulisch betriebenen Turbine 20 unter Vakuum gesetzt. In Arbeitsrichtung vor dem Schmutzwassertank 4 befinden sich die beiden Heissdampferzeuger 3a,3b, die zwecks besserer Wartungszugänglichkeit auf einem ausziehbaren Schwerlastauszug montiert sind.On the backward tiltable loading surface F of the carrier vehicle a demountable support frame 6 is constructed. The dirty water tank 4 is set by means of a laterally disposed therefrom hydraulically operated turbine 20 under vacuum. In the working direction in front of the waste water tank 4 are the two hot steam generators 3a, 3b, which are mounted on a pull-out heavy-duty pull-out for better maintenance accessibility.

Auf der in Arbeitsrichtung linken Seite der Ladefläche F des Trägerfahrzeugs befinden sich seitlich hintereinander im Trägerrahmen 6 beispielsweise vier Vorratsbehältnisse 2a, 2b, 2c, 2d in der Form von Kanistern mit einem Fassungsvermögen von je 25 Litern. In diese Vorratsbehältnisse 2a, 2b, 2c, 2d können die jeweils benötigten Reinigungsmittel eingefüllt werden.On the left in the direction of the loading surface F of the host vehicle are laterally behind each other in the support frame 6, for example, four storage containers 2a, 2b, 2c, 2d in the form of canisters with a capacity of 25 liters. In these storage containers 2a, 2b, 2c, 2d, the respective required cleaning agent can be filled.

Diese Vorratsbehältnisse 2a, 2b, 2c, 2d werden in einem integrierten Trägerrahmen je einzeln gehalten und können separat angebracht und entfernt werden.These storage containers 2a, 2b, 2c, 2d are each held individually in an integrated support frame and can be attached and removed separately.

Oberhalb dieser vier Vorratsbehältnisse 2a, 2b, 2c, 2d befindet sich je eine Pumpe 21 für das Fördern des Reinigungsmittels via entsprechende Leitungen zum Sprühelement A.Above these four storage containers 2 a, 2 b, 2 c, 2 d there is a respective pump 21 for conveying the cleaning agent via corresponding lines to the spray element A.

Gegebenenfalls können auch zusätzliche Leitungen vorhanden sein, welche das entsprechende Reinigungsmittel aus den Vorratsbehältnissen 2a, 2b, 2c, 2d mittels Applikationsleitungen auch in das Dampffeld B und/oder in den Bürstenkasten C führen und aufsprühen.Optionally, additional lines may be present, which lead and spray the corresponding detergent from the storage containers 2a, 2b, 2c, 2d by means of application lines in the steam field B and / or in the brush box C.

Beispielhaft in Arbeitsrichtung rechts auf der Ladefläche F des Trägerfahrzeugs befindet sich die zentrale Steuerungs- und Überwachsungseinheit 22 für den gesamten Technikaufbau.By way of example, in the working direction on the right side of the loading surface F of the carrier vehicle is the central control and overgrowing unit 22 for the entire technical construction.

Auf der in Arbeitsrichtung rechten Seite der Ladefläche F befindet sich ein Brennstofftank 23 mit einem Fassungsvermögen von beispielsweise wenigstens 100 Litern.On the right in the direction of the loading surface F is a fuel tank 23 with a capacity of, for example, at least 100 liters.

In den Brennstofftank 23 wird vorzugsweise Dieselöl eingefüllt. Mit diesem Dieselöl werden die beiden Heissdampferzeuger 3a, 3b betrieben.In the fuel tank 23 preferably diesel oil is filled. With this diesel oil, the two hot steam generators 3a, 3b are operated.

Der Brennstofftank 23 verfügt über einen elektrischen Standgeber, welcher dem Fahrer in der Fahrerkabine E den aktuellen Brennstoffvorrat für den Betrieb der beiden Heissdampferzeuger 3a, 3b anzeigt.The fuel tank 23 has an electric governor, which indicates to the driver in the driver's cab E the current fuel supply for the operation of the two hot steam generators 3a, 3b.

Die Vorrichtung 5 zur Erzeugung von elektrischer Energie für den Betrieb des gesamten Technikaufbaus hat insbesondere die Form eines Stromgenerators, welcher typischerweise eine Spannung von 230 V Spannung erzeugt und eine Leistung von wenigstens 8 kVA Leistung erbringt.In particular, the device 5 for generating electrical energy for the operation of the entire engineering structure has the form of a current generator, which is typically generates a voltage of 230 V voltage and provides a power of at least 8 kVA power.

Dieser Stromgenerator 5 befindet sich in Arbeitsrichtung am Fahrzeugheck und wird ölhydraulisch mittels Druck-, Rücklauf- und Leckölanschlüssen des Trägerfahrzeuges betrieben.This power generator 5 is located in the working direction at the rear of the vehicle and is operated oil-hydraulically by means of pressure, return and leakage oil connections of the carrier vehicle.

In Arbeitsrichtung rechts von den beiden Heissdampferzeugern 3a, 3b ist die mittels eines 230 V /2000 W Elektromotors 26 betriebene Druck-Wasserpumpe 27 eingebaut. Diese Druck-Wasserpumpe 27 fördert das Wasser aus dem Frischwassertank 28, welcher zentral auf der Ladefläche F montiert ist, via einen Wasserfilter 29 zu den Dosierventilen 24 und anschliessend in die beiden Heissdampferzeuger 3a,3b.In the working direction right of the two hot steam generators 3a, 3b, the operated by means of a 230 V / 2000 W electric motor 26 pressure water pump 27 is installed. This pressure water pump 27 delivers the water from the fresh water tank 28, which is mounted centrally on the loading surface F, via a water filter 29 to the metering valves 24 and then into the two hot steam generators 3a, 3b.

Als Wasser kann gereinigtes Wasser, insbesondere Trinkwasser, verwendet werden. Um die Verstopfung der Teile, durch welche Wasser und Heisswasserdampf geführt werden, zu verhindern oder wenigstens zu reduzieren, ist es bevorzugt, aufbereitetes Wasser zu verwenden.Purified water, especially drinking water, can be used as the water. In order to prevent or at least reduce the clogging of the parts through which water and hot steam are passed, it is preferable to use treated water.

Dem Wasser kann etwa nach vorgängiger Bestimmung des Kalkgehaltes / des Härtegrades auch ein Wasserenthärter beigegeben werden, beispielsweise ein Wasserenthärter der Firma Düring AG in CH-8108 Dällikon / Schweiz.The water can also be added after preliminary determination of the lime content / the degree of hardness and a water softener, for example, a water softener Düring AG in CH-8108 Dällikon / Switzerland.

Der Arbeitsdruck des Heisswasserdampfes wird durch die Druckbegrenzungsventile 25 geregelt.The working pressure of the hot steam is controlled by the pressure relief valves 25.

In Arbeitsrichtung hinter dem Brennstofftank 23 sind in Arbeitsrichtung auf der rechten Seite die Dosierventile 24 sowie die Druckbegrenzungsventile 25 eingebaut.In the working direction behind the fuel tank 23, the metering valves 24 and the pressure limiting valves 25 are installed in the working direction on the right side.

Der aus den beiden Heissdampferzeugern 3a, 3b austretende Heisswasserdampf hat vorzugsweise eine Temperatur von wenigstens 150°C.The hot water vapor emerging from the two hot steam generators 3a, 3b preferably has a temperature of at least 150.degree.

Der erzeugte Heisswasserdampf wird mittels Schläuchen zum Dampffeld B und gegebenenfalls in die Heissdampfrohre 14 geleitet.The generated hot steam is conducted by means of hoses to the steam field B and optionally into the hot steam pipes 14.

Ferner fördert die Druck-Wasserpumpe 27 das jeweils benötigte Spülwasser, dessen Menge über einen Dosierhahn geregelt wird, zum Schwemmrohr 16.Further, the pressure water pump 27 promotes the respective required rinse water, the amount of which is regulated by a metering, to the flume pipe 16th

Sämtliche Verbindungsleitungen zwischen dem Technikaufbau, welcher sich auf der Ladefläche F befindet, und den vier Elementen A, B, C, D werden unterhalb des Trägerfahrzeuges derart verlegt, dass dessen Bodenfreiheit nicht eingeschränkt wird.All connecting lines between the technical structure, which is located on the loading area F, and the four elements A, B, C, D are laid below the carrier vehicle such that its ground clearance is not restricted.

Der Schmutzwassertank 4 ist vorzugsweise folgendermassen konstruiert und angebracht:

  • Der Schmutzwassertank 4 besteht aus einer starkwandigen Konstruktion aus profiliertem 4 mm Stahlblech und einem Volumen von beispielsweise wenigstens 400 Litern. Auf der Innenseite ist der Schmutzwassertank 4 zusätzlich mit Verstrebungen verstärkt, um ein Zusammenziehen unter Vakuum zu verhindern.
The waste water tank 4 is preferably constructed and installed as follows:
  • The waste water tank 4 consists of a thick-walled construction of profiled 4 mm steel sheet and a volume of, for example, at least 400 liters. On the inside of the waste water tank 4 is additionally reinforced with braces to prevent contraction under vacuum.

Der Boden des Schmutzwassertanks 4 ist auch gegen Deformation durch Vakuum mittels Streben auf der Unterseite des Bodens verstärkt.The bottom of the dirty water tank 4 is also reinforced against deformation by vacuum by means of struts on the bottom of the soil.

Die Oberseite des Schmutzwassertanks 4 besteht beispielsweise aus einem abnehmbaren Deckel aus profiliertem 4 mm Stahlblech.The top of the dirty water tank 4 consists for example of a removable cover made of profiled 4 mm sheet steel.

Im abnehmbaren Deckel befindet sich eine mittels Schnellverschluss verschliessbare, eingelassene Wartungsöffnung mit einem Durchmesser von wenigstens 300 mm.In the removable lid is a quick-lock closable, recessed maintenance opening with a diameter of at least 300 mm.

Auf der in Arbeitsrichtung linken Seite befindet sich am Schmutzwassertank 4 ein transparenter Kunststoffschlauch, welcher vakuumbeständig ist und senkrecht angeordnet ist.On the left side in the direction of work is located on the waste water tank 4, a transparent plastic tube which is vacuum-resistant and is arranged vertically.

Durch diesen transparenten Kunststoffschlauch kann der Füllstand im Schmutzwassertank 4 visualisiert werden.Through this transparent plastic hose, the level in the waste water tank 4 can be visualized.

In Arbeitsrichtung vorne rechts am Schmutzwassertank 4 befindet sich an der Oberkante der Sauganschluss zur Turbine 20. Der Sauganschluss besteht aus einem eingeschweissten 2"-Rohr, einem 90° Bogen, der nach unten weist und an dem eine Gummilippe für die Abdichtung der Schwimmerkugel angebracht ist. Die Schwimmerkugel wiederum wird von einem Führungsrohr, das an der Innenseite der Wandung des Schmutzwassertanks 4 festgeschraubt ist, zentriert.The suction connection consists of a welded-in 2 "pipe, a 90 ° bend pointing downwards and to which a rubber lip for sealing the float ball is attached The float ball in turn is centered by a guide tube, which is screwed to the inside of the wall of the dirty water tank 4.

Diese Schwimmerkugel verschliesst den Sauganschluss bei vollem Schmutzwassertank 4.This float ball closes the suction connection with a full recovery tank 4.

An der in Arbeitsrichtung hinteren linken Ecke des Schmutzwassertanks 4 befindet sich auf der Innenseite ein eingeschweisstes Steigrohr 30, welches zuoberst mit einem nach unten gerichteten 180° Bogen versehen ist. Das Steigrohr 30 wird unterhalb des Schmutzwassertanks 4 nach aussen geführt. An das Steigrohr 30 wird die Saugleitung 18 angeschlossen.At the rear left corner of the dirty water tank 4 in the working direction is located on the inside of a welded riser 30, which is provided at the top with a downwardly directed 180 ° arc. The riser 30 is guided below the dirty water tank 4 to the outside. To the riser 30, the suction line 18 is connected.

An der in Arbeitsrichtung hinteren Wand des Schmutzwassertanks 4 befindet sich zuunterst und mittig angeordnet die Auslassöffnung 31, welche ihrerseits mit einem Schmutzwasser-Plattenschieber und einer Storzkupplung ausgerüstet ist.At the rear wall of the dirty water tank 4 in the working direction, the outlet opening 31, which in turn is equipped with a dirty water plate slide and a Storz coupling, is located at the bottom and in the middle.

Der Schmutzwassertank 4 wird deshalb in Arbeitsrichtung zuhinterst auf der Ladefläche F angeordnet, damit der Schmutzwassertank 4 durch Rückwärtskippen der Ladefläche F mühelos entleert werden kann.The dirty water tank 4 is therefore arranged in the working direction at the back of the loading area F, so that the recovery tank 4 can be easily emptied by backward tilting of the bed F.

Zwischen dem Schmutzwassertank 4 und der Turbine 20 befindet sich ein Kugelhahn, der dazu dient, beispielsweise während Überführungsfahrten, ein Überschwappen des Schmutzwassers aus dem vollen Schmutzwassertank 4 in die Turbine 20 zu verhindern.There is a ball valve between the dirty water tank 4 and the turbine 20, which serves, for example, during transfer trips, to prevent spilling of dirty water from the full recovery tank 4 into the turbine 20.

Auf der in Arbeitsrichtung vorderen Seite des Schmutzwassertanks 4 ist ein elektrischer Schwimmgeber eingelassen, der dem Fahrer den aktuellen Füllstand anzeigt und bei vollem Schmutzwassertank 4 ein Warnsignal abgibt.On the front side in the working direction of the dirty water tank 4, an electric float is inserted, which indicates the current level to the driver and emits a warning signal with full recovery tank 4.

Zusätzlich kann am Schmutzwassertank 4 ein Sauganschluss für ein Saugrohr eines handelsüblichen Industriestaubsaugers angebracht sein.In addition, a suction connection for a suction pipe of a commercially available industrial vacuum cleaner can be attached to the dirty water tank 4.

Die Turbine 20 ist vorzugsweise folgendermassen aufgebaut und angebracht:

  • Es handelt sich um eine Vakuumturbine, wie sie beispielsweise auch in einer Kehrsaugmaschine "Tennant 3400" verwendet wird.
The turbine 20 is preferably constructed and mounted as follows:
  • It is a vacuum turbine, as used for example in a sweeper "Tennant 3400".

Diese Vakuumturbine 20 wird mit einem Gerotor- Ölmotor betrieben, insbesondere mit einem Volumenstrom von etwa 5 bis 20 Liter pro Minute und einer Drehzahl bis 3ooo U/min.This vacuum turbine 20 is operated with a Gerotor oil engine, in particular with a volume flow of about 5 to 20 liters per minute and a speed up to 3ooo rev / min.

Diese Vakuumturbine 20 erzeugt vorzugsweise ein Vakuum von > minus 0,3 bar (relativ).This vacuum turbine 20 preferably generates a vacuum of> minus 0.3 bar (relative).

Die Vakuumturbine 20 ist auf der Ladefläche F in einem kurzen Abstand zum Schmutzwassertank 4 angeordnet. Die Vakuumturbine 20 ist mit dem Schmutzwassertank 4 knickfrei mit einem vakuumbeständigen Schlauch 32 verbunden.The vacuum turbine 20 is arranged on the loading surface F at a short distance to the recovery tank 4. The vacuum turbine 20 is connected to the waste water tank 4 kink-free with a vacuum-resistant tube 32.

Der Antrieb der Vakuumturbine 20 erfolgt über ein verstellbares Proportional-Hydraulikventil, welches sich auf dem Bürstenkasten C befindet. Das Hydrauliköl wird via die in Arbeitsrichtung hintere Seite der Ladefläche F um den Drehpunkt der kippbaren Ladefläche F mittels steckbaren Hydraulikanschlüssen zur Vakuumturbine 20 geleitet.The drive of the vacuum turbine 20 via an adjustable proportional hydraulic valve, which is located on the brush box C. The hydraulic oil is conducted via the rear side of the loading surface F in the working direction about the pivot point of the tiltable loading surface F by means of pluggable hydraulic connections to the vacuum turbine 20.

Eine erfindungsgemässe Vorrichtung, welche auf und an ein Trägerfahrzeug montiert ist und von diesem Trägerfahrzeug mit der benötigten Energie versorgt wird, wird vorzugsweise wie folgt betrieben:

  • Das Trägerfahrzeug kann bei kurzen Distanzen aus eigener Kraft selbst zum Einsatzort fahren. Bei grösseren Distanzen wird das Trägerfahrzeug zum Einsatzort transportiert.
A device according to the invention, which is mounted on and on a carrier vehicle and is supplied with the required energy by this carrier vehicle, is preferably operated as follows:
  • The carrier vehicle can travel on its own for short distances on its own to the place of use. For longer distances, the carrier vehicle is transported to the place of use.

Die zu reinigende Oberfläche muss vorgereinigt werden. Das heisst, dass lose Abfälle, wie beispielsweise Dosen, Papier, Karton, Plastikteile, organische Abfälle, welche sich auf der zu reinigenden Oberfläche befinden, vorgängig in einem separaten Arbeitsgang in herkömmlicher Art, beispielsweise mit einer Kehrsaugmaschine, entfernt werden müssen.The surface to be cleaned must be pre-cleaned. This means that loose waste, such as cans, paper, cardboard, plastic parts, organic waste, which are located on the surface to be cleaned, must be previously removed in a separate operation in a conventional manner, for example with a sweeping machine.

In die Kanister 2a, 2b, 2c, 2d werden die jeweils benötigten Reinigungsmittel eingefüllt. Als Reinigungsmittel kommen insbesondere solche Mittel in Frage, welche vorzugsweise zu entfernende Stoffe auf der Basis von Kohlenwasserstoffen, beispielsweise Öle, Fette, Treibstoffe, Kaugummi, eingetrocknete Reste von Süssgetränken, Abriebe von Fahrzeugreifen, Abriebe von Flugzeugreifen, in einen solchen Zustand versetzen, dass diese Verschmutzungen unter Anwendung von thermischen und mechanischen Einflüssen von der zu reinigenden Oberfläche gelöst oder abgelöst und entfernt werden können.In the canisters 2a, 2b, 2c, 2d, the respectively required cleaning agent are filled. Particularly suitable cleaning agents are those which preferably remove substances based on hydrocarbons, for example oils, fats, fuels, chewing gum, dried residues of sweet drinks, abrasions of vehicle tires, abrasions of aircraft tires, in a state such that they can be removed Dirt can be solved or removed and removed with the application of thermal and mechanical influences from the surface to be cleaned.

Als Reinigungsmittel zur Entfernung von Kaugummirückständen kann das Produkt Top-Cleaner der Firma Top-Cleaner GmbH in CH-9053 Teufen / Schweiz verwendet werden. Als Reinigungsmittel zur Entfernung von Öl-, Fett- und Treibstoffrückständen kann das Produkt Industrie-Reiniger forte der Firma Amstutz Produkte AG in CH-6274 Eschenbach (LU) / Schweiz verwendet werden.The product Top-Cleaner from Top-Cleaner GmbH in CH-9053 Teufen / Switzerland can be used as cleaning agent to remove chewing gum residues. As a cleaning agent for the removal of oil, grease and fuel residues, the product industrial cleaner forte the company Amstutz products AG in CH-6274 Eschenbach (LU) / Switzerland can be used.

Als Reinigungsmittel zur Entfernung von Abrieben von Fahrzeugreifen und Abrieben von Flugzeugreifen kann entweder das Produkt Top-Cleaner der Firma Top-Cleaner GmbH in CH-9053 Teufen / Schweiz oder ein Gemisch der beiden oben genannten Reinigungsmittel verwendet werden.As a cleaning agent for the removal of abrasions of vehicle tires and abrasion of aircraft tires either the product Top-Cleaner Top-Cleaner GmbH in CH-9053 Teufen / Switzerland or a mixture of the two cleaning agents mentioned above can be used.

Die Pumpen 21 saugen das jeweilige Reinigungsmittel aus den Kanistern 2a, 2b, 2c, 2d an und befördern es via Transportleitungen in das Sprühelement A und gegebenenfalls in das Dampffeld B und/oder in den Bürstenkasten C.The pumps 21 suck the respective cleaning agent from the canisters 2a, 2b, 2c, 2d and convey it via transport lines into the spray element A and optionally into the steam field B and / or into the brush box C.

Der Heisswasserdampf, welcher in den Heissdampferzeugern 3a, 3b hergestellt wird, wird via Transportleitungen in das Dampffeld B und gegebenenfalls in den Bürstenkasten C geleitet.The hot steam, which is produced in the hot steam generators 3a, 3b, is conducted via transport lines into the steam field B and optionally into the brush box C.

Die Einwirkzeit des Reinigungsmittels und des Heisswasserdampfs wird durch die gewählte Fahrgeschwindigkeit des Trägerfahrzeuges bestimmt. Die Fahrgeschwindigkeit beträgt vorzugsweise < 1 km/h.The contact time of the cleaning agent and the hot water vapor is determined by the selected driving speed of the carrier vehicle. The driving speed is preferably <1 km / h.

Die so vorbehandelte, zu reinigende Oberfläche wird anschliessend mit den Bürstenwalzen 11a, 11b, 11c mechanisch bearbeitet.The thus pretreated, to be cleaned surface is then machined mechanically with the brush rollers 11a, 11b, 11c.

Der Fahrer des Trägerfahrzeuges entscheidet darüber, in welche Richtung, mit welcher Drehzahl und mit welchem Auflagedruck die Bürstenwalzen 11a, 11b, 11c arbeiten sollen.The driver of the carrier vehicle decides in which direction, with which speed and with which contact pressure the brush rollers 11a, 11b, 11c should work.

Weil die Bürstenwalzen 11a, 11b, 11c um eine horizontale Achse rotieren, werden die gelösten oder abgelösten Verschmutzungen nicht verschmiert.Because the brush rollers 11a, 11b, 11c rotate about a horizontal axis, the loosened or detached contaminants are not smeared.

Die von der zu reinigenden Oberfläche gelösten oder abgelösten Verschmutzungen, das Reinigungsmittel und der kondensierte Wasserdampf werden durch das aus dem Schwemmrohr 16 austretende Wasser gebunden und anschliessend auf einfache Art durch den Saugstutzen 17 in den Schmutzwassertank 4 abgesaugt.The contaminants dissolved or detached from the surface to be cleaned, the cleaning agent and the condensed water vapor are bound by the water leaving the alluvial tube 16 and then sucked off in a simple manner through the suction nozzle 17 into the dirty water tank 4.

Die Saugwirkung am Saugstutzen 17 wird durch die Turbine 20 erzeugt.The suction at the suction nozzle 17 is generated by the turbine 20.

Der Inhalt des Schmutzwassertanks 4 wird durch die Auslassöffnung 31 entleert und in einem separaten Verfahren umweltgerecht entsorgt.The contents of the waste water tank 4 is emptied through the outlet port 31 and disposed of in an environmentally friendly manner in a separate process.

Figur 5 zeigt schematisch eine erfindungsgemässe Vorrichtung gemäss einer alternativen Ausführungsform. Ein das Gehäuse der Vorrichtung zur mechanischen Bearbeitung B bildender Bürstenkasten ist in ähnlicher Weise vorgesehen wie in der in den Figuren 1, 2 dargestellten Ausführungsform und in Figur 5 nicht dargestellt. Bezüglich der in Figur 5 dargestellten Ausführungsform werden nachfolgend insbesondere für diese Ausführungsform besondere Merkmale erläutert. Der grundsätzliche Aufbau entspricht dem in den Figuren 1 bis 4 dargestellten Aufbau bzw. ergibt sich in Varianten aus der allgemeinen Offenbarung. FIG. 5 schematically shows an inventive device according to an alternative embodiment. A brush box forming the housing of the mechanical machining apparatus B is provided in a manner similar to that in Figs FIGS. 1 . 2 illustrated embodiment and in FIG. 5 not shown. Regarding the in FIG. 5 illustrated embodiment, particular features are explained below, in particular for this embodiment. The basic structure corresponds to that in the FIGS. 1 to 4 shown construction or results in variants of the general disclosure.

In der Ausführungsform von Figur 5 ist eine Längenreduktionsvorrichtung vorgesehen, welche die Heissdampfrohre 9' umfasst. Die Heissdampfrohre 9' dienen dabei zugleich als Rückzugs- und Hebevorrichtung. In Arbeitsrichtung vorne ist optional ferner eine Kollisionsstoppvorrichtung der zuvor beschrienen Art angeordnet.In the embodiment of FIG. 5 a length reduction device is provided which comprises the hot steam tubes 9 '. The hot steam pipes 9 'serve at the same time as a retraction and lifting device. In front of the working direction, a collision stop device of the previously described type is optionally also arranged.

Optional können ferner in Arbeitsrichtung vor dem Heizelement B eine oder mehrere Sprühelemente (nicht dargestellt) angeordnet sein, wie im Zusammenhang des Ausführungsbeispiel von Figur 1, 2 dargestellt und erläutert. Das Heizelement beinhaltet ferner optional einen Dampfhomogenisierer wie zuvor beschrieben.Optionally, one or more spray elements (not shown) may further be arranged in front of the heating element B in the working direction, as in the context of the exemplary embodiment of FIG FIG. 1 . 2 illustrated and explained. The heating element optionally further includes a steam homogenizer as described above.

Das Element zur mechanischen Bearbeitung C umfasst ein starres Trägergestell 50, in welchem die Heissdampfrohre 9 um eine horizontale Achse schwenkbar gelagert sind. Der nicht dargestellte und innerhalb des Bürstenkastens angeordnete Antrieb kann beispielsweise hydraulisch, pneumatisch oder elektrisch ausgeführt sein; zusätzlich oder alternativ kann das Schwenken manuell erfolgen. Das Heizelement B ist ebenfalls bezüglich der Heissdampfrohre 9' schwenkbar gelagert. Durch Schwenken der Heissdampfrohre 9' in der durch Pfeil X angedeuteten Richtung wird Heizelement B das zur Bewegung von der in Figur 5 gezeigten Arbeitsstellung in die Transportstellung in einer Kreisschiebung um das Element zur mechanischen Bearbeitung geschwenkt und dabei zunächst angehoben, bis sich seine Unterseite oberhalb des Bürstenkastens befindet, und anschliessend zurückgezogen und abgesenkt, so dass es am Ende der Bewegung auf dem Bürstenkasten aufliegt oder durch die Heissdampfrohre 9' in geringem Abstand zum Bürstenkasten gehalten wird.The element for mechanical processing C comprises a rigid support frame 50, in which the hot steam tubes 9 are pivotally mounted about a horizontal axis. The drive, not shown and arranged within the brush box can be performed, for example, hydraulically, pneumatically or electrically; additionally or alternatively, the pivoting can be done manually. The heating element B is also pivotally mounted with respect to the hot steam tubes 9 '. By pivoting the hot steam pipes 9 'in the direction indicated by the arrow X, the heating element B is moved to move from the in FIG. 5 shown working position in the transport position in a circular shift about the element for mechanical machining pivoted and initially raised until its underside is above the brush box, and then retracted and lowered so that it rests on the brush box at the end of the movement or through the hot steam pipes 9 'is held at a small distance to the brush box.

Am Umfang des Dampffeldes ist ferner eine optionale Dampfaustrittssperre 40 angeordnet, welche auf eine der in der allgemeinen Beschreibung der vorliegenden Erfindung dargestellte Weise realisiert sein kann, beispielsweise durch ein umlaufendes Dichtprofil oder eine Absaugvorrichtung.At the periphery of the vapor field, an optional vapor escape barrier 40 is further arranged, which can be realized in one of the manner described in the general description of the present invention, for example by a circumferential sealing profile or a suction device.

Die beiden in diesem Ausführungsbeispiel vorhandenen Bürstenwalzen 11' können in grundsätzlich analoger Weise gestaltet sein wie die Bürstenwalzen 11 a, 11 b, 11 c im Ausführungsbeispiel gemäss Figur 1, 2. Zwischen den beiden Bürstenwalzen 5 7 sowie am im montierten Zustand dem Trägerfahrzeug zugewandten Seite der Vorrichtung zur mechanischen Bearbeitung B ist jeweils parallel zur Drehachse der Bürstenwalzen 11', quer zur Arbeitsrichtung, ein optionales Paar Gummilippen 59 angeordnet.The two existing in this embodiment brush rollers 11 'may be designed in a basically analogous manner as the brush rollers 11 a, 11 b, 11 c in the embodiment according to FIG. 1 . 2 , Between the two brush rollers 5 7 and on in the assembled state of the carrier vehicle facing side of the device for mechanical processing B is parallel to the axis of rotation of the brush rollers 11 ', transverse to the working direction, an optional pair of rubber lips 59 arranged.

Die Bürstenwalten 11' sind jeweils durch Bürstenhalter 55 gehalten, welche in vertikalen Schienen 53 des Trägergestells in vertikaler Richtung, d. h. senkrecht zur zu reinigenden Oberfläche, beweglich gelagert sind. Mittels pneumatischer Hubzylinder 57 können die durch ihr Eigengewicht auf dem zu reinigenden Boden aufliegenden Bürstenwalzen 11' zur Steuerung des Auflagedrucks kontrolliert entlastet werden. Die Hubzylinder 57 können alternativ auch anders als pneumatisch angetrieben werden, insbesondere hydraulisch oder elektrisch.The Bürstenwalten 11 'are each held by brush holder 55, which are mounted in vertical rails 53 of the support frame in the vertical direction, ie perpendicular to the surface to be cleaned, movable. By means of pneumatic lifting cylinder 57, the brush rollers 11 'resting on their own weight on the floor to be cleaned can be relieved of control for controlling the contact pressure. The lifting cylinder 57 can alternatively also be driven differently than pneumatically, in particular hydraulically or electrically.

In Arbeitsrichtung hinten, d. h. im montierten Zustand dem Trägerfahrzeug zugewandt ist eine Flanschplatte 60 vorgesehen, welche mit dem Trägerrahmen 50 bevorzugt starr gekoppelt, beispielsweise verschweisst oder verschraubt ist. Die Flanschplatte 60 dient der Montage an einem geeigneten Trägerfahrzeug, beispielsweise einem üblichen Kommunaltransporter wie zuvor beschrieben. Hierzu kann die Flanschplatte 60 eine entsprechende genormte Formgebung aufweisen. Wie zuvor beschrieben, können Heizfeld B und Vorrichtung zur mechanischen Bearbeitung C bevorzugt angehoben und abgesenkt werden. Dies geschieht durch eine entsprechende Anhebung oder Absenkung einer Flanschplatte am Trägerfahrzeug, welche das Gegenstück zur Flansch platte 60 darstellt.In working direction behind, d. H. facing the carrier vehicle in the mounted state, a flange plate 60 is provided, which is preferably rigidly coupled to the support frame 50, for example, welded or screwed. The flange plate 60 is for mounting on a suitable carrier vehicle, such as a conventional municipal truck as described above. For this purpose, the flange plate 60 may have a corresponding standardized shape. As described above, heating field B and mechanical processing apparatus C can be preferably raised and lowered. This is done by a corresponding increase or decrease a flange plate on the carrier vehicle, which is the counterpart to the flange plate 60.

Im Bereich der Flanschplatte befinden sich ferner die zum Betrieb der Vorrichtung erforderlichen Schnittstellen, beispielsweise zur hydraulischen, pneumatischen und/oder elektrischen Versorgung der Vorrichtung, Steuer- und Signalleitungen sowie Schnittstellen für die Zuführung von Heissdampf und die Absaugung. Sofern es sich beim Trägerfahrzeug um ein übliches Kommunaltransporter handelt, sind diese Schnittstellen bevorzugt so ausgelegt, dass sie mit etwaigen korrespondierenden Schnittstellen des Trägerfahrzeugs, beispielsweise einer am Trägerfahrzeug vorhandenen elektrischen Spannungsversorgung über das Bordnetz des Trägerfahrzeugs bzw. einer Ölhydraulikanlage des Trägerfahrzeugs. Die Schnittstellen sind bevorzugt lösbar ausgeführt, um eine einfache und zügige Montage und Demontage am Trägerfahrzeug zu ermöglichen.In the area of the flange plate, there are also the interfaces required for operating the device, for example for hydraulic, pneumatic and / or electrical supply of the device, control and signal lines and interfaces for the supply of hot steam and the suction. If the carrier vehicle is a conventional municipal transporter, these interfaces are preferably designed such that they correspond to any corresponding interfaces of the carrier vehicle, for example an electrical power supply present on the carrier vehicle via the electrical system of the carrier vehicle or an oil hydraulic system of the carrier vehicle. The interfaces are preferably designed to be detachable in order to enable a simple and rapid assembly and disassembly on the carrier vehicle.

Figur 6 zeigt eine Ausführungsform, welche grundsätzlich der in Figur 5 dargestellten Ausführungsform entspricht in einsatzbereitem Zustand, wo sie zusammen mit den weiteren zum Betrieb der Vorrichtung erforderlichen Aggregaten und Vorrichtungen auf und an einem Trägerfahrzeug montiert ist, welches beispielsweise ein übliches Kommunaltransporter der zuvor dargestellten Art sein kann. Der aus Heizelement B, Vorrichtung zur mechanischen Bearbeitung C und (nicht sichtbarer) Absaugvorrichtung D bestehende Vorbau kann, ist vorzugsweise, wie zuvor dargestellt, einfach lösbar am Trägerfahrzeug montiert. Ebenso sind die auf der Ladefläche F angeordneten Komponenten auf einer gemeinsamen Trägerplattform F' angeordnet, welche lösbar mit der Ladefläche F verbunden ist. Auf diese Weise kann die gesamte Anordnung, einschliesslich Trägerplattform F', mittels Kranöse 71 in einfacher Weise auf der Ladefläche F montiert und auch wieder von dieser entfernt werden. Dies ermöglicht, durch Anpassung weniger Elemente, eine Nutzung der Vorrichtung in Verbindung mit unterschiedlichen Trägerfahrzeugen. Auch ermöglicht sie, das Trägerfahrzeug optional auch separat einzusetzen. Auf diese Weise kann ein vergleichsweise kostenintensiver FIG. 6 shows an embodiment, which basically the in FIG. 5 illustrated embodiment corresponds to ready for use, where it is mounted together with the other required for operating the device units and devices on and on a carrier vehicle, which may be, for example, a conventional municipal transporter of the type previously shown. The stem consisting of heating element B, apparatus for mechanical processing C and (not visible) suction device D can, as is previously shown, preferably be mounted detachably on the carrier vehicle. Likewise, which are arranged on the loading surface F. Components arranged on a common carrier platform F ', which is detachably connected to the loading surface F. In this way, the entire assembly, including support platform F ', mounted by means of crane eye 71 in a simple manner on the bed F and also be removed from it. This allows, by adapting fewer elements, a use of the device in conjunction with different carrier vehicles. It also makes it possible to use the carrier vehicle optionally separately. In this way, a comparatively more costly

Kommunaltransporter beispielsweise abwechselnd in den Sommermonaten als Reinigungsfahrzeug und in den Wintermonaten als Streu- oder Räumfahrzeug genutzt werden.For example, municipal transporters are alternately used in the summer months as a cleaning vehicle and in the winter months as a spreading or clearing vehicle.

Im Ausführungsbeispiel direkt auf der Montageplattform F' angeordnet sind in der gezeigten exemplarischen Anordnung zwei Heissdampferzeuger 3a, 3b. Die übrigen erforderlichen Komponenten, wie Brennstofftank, Frisch- und Schmutzwassertank, optionale Filter- und Reinigungseinrichtungen für das Schmutzwasser - etwa Zyklonabscheider wie zuvor dargestellt - Pumpen, Ventile, optionale Kanister für chemische Reinigungsmittel usw. sind in den jeweils von einem Gehäuse gekapselten Modulen 70a, 70b, 70c, 70d angeordnet.In the exemplary embodiment directly on the mounting platform F 'are arranged in the exemplary arrangement shown, two hot steam generators 3a, 3b. The remaining required components, such as fuel tank, fresh and dirty water tank, optional wastewater filtering and cleaning equipment, such as cyclone separators as previously described, pumps, valves, optional chemical cleaning canisters, etc., are housed within each housing encapsulated module 70a. 70b, 70c, 70d arranged.

Claims (15)

  1. Device for cleaning surfaces, wherein the device is mounted or can be mounted on top of and/or on a mobile platform which can be moved in a working direction, for example a carrier vehicle, and, together with the mobile platform, is designed for autonomous operation, wherein the device comprises the following elements, arranged behind one another in the working direction:
    - a heating element (B) for heating up the surface to be cleaned, wherein the heating element (B) comprises a flat steam panel which, in operation, applies steam to the surface to be cleaned;
    - an element (C) for mechanically processing the surface to be cleaned, which comprises at least one such part element (11) which permits the removal of the loosened or detached contaminants on the surface to be cleaned by means of rotation and ground pressure, wherein the rotation is carried out about an axis arranged horizontally and transversely with respect to the working direction;
    - an element (D) for sucking up the contaminants and the water produced by condensation of the steam from the cleaned surface.
  2. Device according to Claim 1, comprising a spraying element (A) which is arranged upstream of the heating element (B) in the working direction and intended for applying at least one cleaning agent, in particular a chemical cleaning agent, to the surface to be cleaned.
  3. Device according to one of the preceding claims, wherein the device is designed to let out steam from the steam panel at an overpressure of at most 10 bar, for example at most 3 bar or at most 1.5 bar, with respect to the surrounding air pressure.
  4. Device according to one of the preceding claims, wherein the heating element (B) has a steam outlet barrier which is arranged on the outer side or on the periphery of the steam panel and which counteracts the escape of steam from the surface to be cleaned.
  5. Device according to Claim 4, wherein the steam outlet barrier at least comprises sealing profiles, sealing brushes, a sucking-up device for sucking up excess steam or a fluidic displacement device which displaces the steam from the periphery of the steam panel (B) towards the interior thereof.
  6. Device according to one of the preceding claims, wherein the steam panel comprises a steam homogenizer which is designed to ensure that steam is applied at least substantially homogeneously and uniformly to the surface to be cleaned.
  7. Device according to Claim 6, wherein the steam homogenizer comprises a flat and porous, sponge-like material or a flat woven fabric, for example a flat stainless steel woven fabric.
  8. Device according to one of the preceding claims, comprising a collision-stopping device which is coupled or can be coupled functionally to a drive of the mobile platform and is designed to automatically stop the travel of the device if it collides with an obstacle and/or a collision with an obstacle is threatened.
  9. Device according to one of the preceding claims, comprising a length-reduction device which is coupled to the heating element (B) in such a way that, by activation thereof, the heating element (B) is brought from a working position into a transport position, wherein, in the transport position, a degree by which the heating element (B) projects beyond the element for mechanical processing (C) in the working direction is reduced with respect to the working position or eliminated.
  10. Device according to Claim 9, wherein the length-reduction device is a retraction device which is designed to retract the heating element (B) with respect to the element for mechanical processing (C) counter to the working direction or to displace it counter to the working direction.
  11. Device according to Claim 10, wherein, in the transport position, the heating element (B) is arranged above the element for mechanical processing (C) and is at a small distance therefrom or rests on top of it.
  12. Device according to one of the preceding claims, comprising a cleaning device for cleaning the sucked-up water, wherein the cleaning device is coupled with the element for sucking up (D) and a collection tank (28).
  13. Method for cleaning surfaces by operating a cleaning device which is mounted on top of and/or on a mobile platform which can be moved in a working direction, comprising the sequential steps:
    - heating the surface by applying hot steam and leaving the applied heat to act;
    - removing contaminants loosened or detached by the steam by means of mechanical processing by rotation and ground pressure, wherein the rotation is carried out about an axis arranged horizontally and transversely with respect to the working direction;
    - sucking up the contaminants and the water produced by condensation of the steam from the cleaned surface.
  14. Method according to Claim 13, wherein the hot steam has an overpressure of at most 10 bar, for example of at most 3 bar, with respect to the surrounding air pressure.
  15. Use of a device according to one of Claims 1 to 12 for carrying out a method according to one of Claims 13 and 14.
EP13786429.4A 2012-09-06 2013-09-06 Device for cleaning surfaces Active EP2920371B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201330695T SI2920371T1 (en) 2012-09-06 2013-09-06 Device for cleaning surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01592/12A CH706921A1 (en) 2012-09-06 2012-09-06 Apparatus for cleaning surfaces of arbitrarily structured floors.
PCT/EP2013/068519 WO2014037535A1 (en) 2012-09-06 2013-09-06 Device for cleaning surfaces

Publications (2)

Publication Number Publication Date
EP2920371A1 EP2920371A1 (en) 2015-09-23
EP2920371B1 true EP2920371B1 (en) 2017-04-26

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EP (1) EP2920371B1 (en)
CH (1) CH706921A1 (en)
DK (1) DK2920371T3 (en)
ES (1) ES2629737T3 (en)
SI (1) SI2920371T1 (en)
WO (1) WO2014037535A1 (en)

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DE102021102167A1 (en) 2021-01-29 2022-08-04 Sven Allmendinger Self-propelled cleaning robot for floor cleaning
DE102021102167B4 (en) 2021-01-29 2023-01-26 Sven Allmendinger Self-propelled cleaning robot for floor cleaning

Also Published As

Publication number Publication date
CH706921A1 (en) 2014-03-14
EP2920371A1 (en) 2015-09-23
WO2014037535A1 (en) 2014-03-13
DK2920371T3 (en) 2017-07-31
ES2629737T3 (en) 2017-08-14
SI2920371T1 (en) 2017-08-31

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