EP3644817A1 - Machine de nettoyage de sol comprenant un dispositif de positionnement destiné à un outil de balayage - Google Patents

Machine de nettoyage de sol comprenant un dispositif de positionnement destiné à un outil de balayage

Info

Publication number
EP3644817A1
EP3644817A1 EP17733841.5A EP17733841A EP3644817A1 EP 3644817 A1 EP3644817 A1 EP 3644817A1 EP 17733841 A EP17733841 A EP 17733841A EP 3644817 A1 EP3644817 A1 EP 3644817A1
Authority
EP
European Patent Office
Prior art keywords
cleaning machine
floor cleaning
sweeping tool
machine according
tool holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17733841.5A
Other languages
German (de)
English (en)
Inventor
Martin SICKINGER
Ulrich Bauer
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3644817A1 publication Critical patent/EP3644817A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4038—Disk shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4058—Movement of the tools or the like perpendicular to the cleaning surface for adjusting the height of the tool

Definitions

  • the invention relates to a floor cleaning machine, comprising a chassis, a sweeping tool holder, which is pivotally mounted on the chassis about a first pivot axis, a sweeping tool which is seated on the sweeping tool holder, and a positioning device, via which the sweeping tool holder for a machining position of the sweeping tool on a Pad on which the floor cleaning machine stands up, is positionable, and the sweeping tool holder is positionable in a distance position of the sweeping tool from the pad.
  • a soil treatment machine is known with a hood for covering a drive motor, wherein the hood has an air inlet.
  • a floor cleaning machine is known, which is driven by an internal combustion engine. It is a hood provided to cover an engine compartment, which is double-walled, wherein between walls of the hood, an air guide space is formed.
  • DE 196 44 570 AI a mobile floor cleaning device is known in which a cleaning liquid tank is designed as a one-piece, closed hollow body made of plastic and a dirty liquid container is designed in the form of a double-walled receptacle of the hollow body.
  • CN 202181530 U a floor cleaning machine is known.
  • PCT / EP2017 / 054453 filed on Feb. 27, 2017, describes a floor cleaning machine comprising a suction device, a filter device associated with the suction device, and a cleaning device for the filter device, wherein the cleaning device comprises a pivoting lever arranged such that it is operable for an operator of the floor cleaning machine who is positioned for proper operation of the floor cleaning machine.
  • the cleaning device comprises an angle gear, to which the pivot lever is coupled.
  • the cleaning device further comprises a movable scraper for the filter device, which is coupled to the angle gear, wherein a pivoting movement of the pivot lever causes a cleaning movement of the scraper on the filter device.
  • the invention has for its object to provide a floor cleaning machine of the type mentioned, which can be operated in a simple manner with optimized cleaning result.
  • the positioning device comprises a Bet Trents- le lever pivotally articulated about a second pivot axis of the chassis, which is coupled to the sweeping tool holder, and via which the sweeping tool holder in the processing position and in the distance position can be brought, and that in the machining position a Pivoting position of the actuating lever is predetermined by a height of the sweeping tool, wherein the height of the sweeping tool is wear-dependent.
  • the sweeping tool holder and thus the sweeping tools is positioned over the operating lever and thereby positioned in particular in the distance position and in the processing position.
  • the actuating lever is arranged and designed so that in the operating position its pivotal position is dependent on the height of the sweeping tool and thus the wear of the sweeping tool. It can be read in a simple manner from the pivot position of the actuating lever, the wear on the sweeping tool. This is particularly advantageous if, for example, the sweeping tool a
  • (Main) is sweeping roller, which is at least partially disposed under the chassis and in particular is at least partially covered by an apron to the outside, so just the height of the sweeping tool can not be read directly.
  • the pivoting position of the operating lever is then an indicator of the wear and it can thus be indicated, for example, that an exchange of the sweeping roller is necessary.
  • This can be displayed directly to a driver via a corresponding wear indicator, for example by means of a scale which is arranged in the region of the actuating lever, or a pivoting position of the actuating lever in the processing position can also be detected via a sensor and a corresponding indication can be given.
  • the positioning device according to the invention can be formed in a simple and space-saving manner. With her can be easily positioned by an operator of the floor cleaning machine, the corresponding sweeping tool.
  • the sweeping tool comprises bristles and the height of the sweeping tool is determined by a bristle length, whereby bristles shorten when worn. Wear then manifests itself in a reduction in the height of the sweeping tool, with a reduction in the height of the sweeping tool again representing a variation in the pivotal position of the operating lever in the machining position.
  • the operating lever is associated with a wear indicator, on which on the pivot position of the operating lever sweeping tool wear is readable. This results in an easy access for an operator. Even if the sweeping tool is not visible to an operator because it is covered, for example, by skirts, the wear state of the sweeping tool can be determined (indirectly) via the wear indicator as a wear state of the bristles in a simple manner. It may then, if necessary, for example, a sweeping tool exchange are performed.
  • the wear indicator is arranged on a housing and in particular on a hood. It can be determined in a simple way the state of wear of the sweeping tool.
  • the wear indicator is arranged on an area which is supported on the chassis or connected to the chassis. is bound. As a result, a tolerance chain can be kept small, so that the wear indicator provides an accurate value.
  • the actuating lever is arranged and designed such that a pivoting of the actuating lever takes place from the distance position into the machining position in a pivoting direction away from the base. It can thus be realized in a simple way a wear indicator. In particular, the higher the wear, the further up the actuating lever is pivoted.
  • actuating lever is arranged and designed so that a pivot angle in the operating position with respect to the distance position is greater, the smaller the height of the sweeping tool. This makes it easy to realize a wear indicator. This results in a simple structural design.
  • the operating lever is a foot pedal lever. This results in a structurally favorable structure.
  • the corresponding positioning device can be designed to save space. Actuation paths are relatively small. But it is also possible in principle that the actuating lever, for example, is a hand lever.
  • a guide element which is connected to the chassis and on which the actuating lever is guided.
  • This guide element can be used in the manner of a link for locking the distance position and also to determine the machining position.
  • the actuating lever on the guide element has a pivoting movement about the first pivot axis and a transverse mobility with a movement component in a direction parallel to the first pivot axis.
  • Pivot axis can be basically a positioning of the sweeping tool holder with the sweeping tool. Due to the transverse mobility, a latching position for setting the distance position can be achieved or released. It is advantageous if the guide element has a slot region through which the actuating lever is performed. About the slot area can be achieved in the manner of a backdrop in a simple way a locking of the working position. Furthermore, a wear indicator can be realized in a simple manner via the guide element.
  • the slot area comprises a first area for fixing the distance position and a second area for producing the processing position, wherein a transition of the actuating lever between the first area and the second area by a transverse movement of the actuating lever with a movement component in one direction parallel to the first pivot axis is feasible.
  • a transition of the actuating lever between the first area and the second area by a transverse movement of the actuating lever with a movement component in one direction parallel to the first pivot axis is feasible.
  • Pivoting position of the operating lever at the second area of the slot area in turn characterizes the height of the sweeping tool.
  • the first region has a stop for the actuating lever, which defines the distance position and which limits in particular a pivoting movement of the actuating lever away from the base.
  • a locking of the distance position can be achieved in a simple manner. It is achieved a locking of a certain position of the sweeping tool holder with the sweeping tool.
  • the first region is connected to the second region and / or the first region has a length which is smaller than a corresponding length of the second region.
  • first pivot axis and the second pivot axis are at least approximately parallel to one another. This results in a simple structural design.
  • a web pivotally articulated about a third pivot axis and the web is coupled to the sweeping tool holder, wherein the web, the coupling between the actuating lever and causes the sweeping tool holder. It can be transmitted by a force or movement on the operating lever on the sweeping tool holder. As a result, the sweeping tool holder and thus the sweeping tool can be positioned accordingly. It is advantageous if the web is coupled to the sweeping tool holder via a rotary sliding bearing. This rotary-slide bearing allows a pivotable coupling and a translational movement between the web and the sweeping tool holder.
  • a web is pivotally articulated about a third pivot axis and the web is coupled to the sweeping tool holder wherein the web causes the coupling between the actuating lever and the sweeping tool holder, and that a coupling means of the coupling of the sweeping tool holder is arranged and formed on the web so that the sweeping tool holder and the web are pivotable relative to each other and that the sweeping tool holder and the web with a Movement component are displaceable relative to each other across a respective pivot axis.
  • a pivoting of the sweeping tool holder relative to the web in particular about a pivot axis parallel to the first pivot axis can be a power transmission from the operating lever on the sweeping tool holder reach to position this accordingly.
  • a position of the sweeping tool holder on a support in turn is transmitted to the actuating lever via the web and the corresponding pivot position of the actuating lever characterizes a height of the sweeping tool, this height being particularly wear-dependent.
  • the coupling device comprises or is a turn-slide bearing.
  • a swivel-slide bearing makes it possible to move both swiveling reach bar as well as slidable coupling between the web and the sweeping tool holder.
  • the coupling device comprises a recess in particular in the form of a slot and an engagement element to the recess, wherein in particular the recess is arranged on the web and the engagement element is arranged on the sweeping tool holder.
  • a displacement movement of the web to the sweeping tool holder can be achieved in a simple manner at a specific time of operation of the positioning device.
  • the combination of a slot with an engagement element forms a structurally simple embodiment of a rotary sliding bearing.
  • a spring device is coupled to the web and to the sweeping tool holder whose spring force strives to increase a distance between a coupling point of the spring device to the web and a coupling point of the spring device to the sweeping tool holder.
  • the web can be moved so that no latching can take place any more and the latching is reliably released from the distance position. Otherwise, in the case of untracked sweeping tools, there may otherwise be a risk that after loosening the distance position, this will again be reached unintentionally.
  • the spring device is or comprises a tension spring.
  • the spring device tends to increase a distance between their respective Ankopplungsstellen. It is advantageous if the spring device is biased in the spaced position. Then, when the operating lever is led out of the distance position, then the spring means ensures that the lead out is such that the distance position can not accidentally re-lock. In particular, when the actuating lever is moved out of the distance position, a spring force of the spring device moves the actuating lever away from the sweeping tool holder in order to obtain a secure disengagement from the distance position.
  • Swivel bearing of the sweeping tool holder is coupled.
  • the necessary movement forms can be achieved in a simple manner on the positioning device for the sweeping tool.
  • the sweeping tool is a sweeping roller, which in particular has a rotation roller which is parallel to the first
  • Swivel axis is.
  • Such a sweeping roller is usually positioned at least partially below the chassis. It may also be covered by aprons and the like, so that their state of wear does not occur directly. is recognizable.
  • this sweeping roller can be positioned in the distance position and in the processing position. It can be realized in a simple way a wear indicator. The positioning can be carried out in a space-saving manner, so that the corresponding floor cleaning machine is compact formable.
  • the sweeping tool holder comprises a rocker, which is mounted on a pivot bearing pivotally about the first pivot axis on the chassis. It can be obtained in a simple manner, a mobility of the sweeping tool to position this accordingly in the distance position and in the machining position.
  • the sweeping tool is arranged at least with a portion below the chassis and in particular laterally at least partially covered by covers.
  • a wear indicator can be realized in a simple manner, on which the state of wear of the sweeping tool can be displayed.
  • the floor cleaning machine according to the invention is designed as a ride-on machine and / or as a sweeping suction machine.
  • Figure 1 is a side view of an embodiment of a floor cleaning machine according to the invention
  • Figure 2 is a front view of the floor cleaning machine according to FIG
  • Figure 3 is an isometric view of the floor cleaning machine of Figure 1;
  • FIG. 4 shows an isometric partial view of the floor cleaning machine according to FIG. 1 with the hood removed (and removed)
  • Figure 5 is an enlarged view of the area A of Figure 4 with a
  • Figure 6 is the same view as Figure 5 after release of a lock of the distance position
  • FIG. 7 shows the same view as FIG. 5 in a processing position for the sweeping tool holder when the sweeping tool is heavily worn;
  • FIG. 8 components of a chassis with superstructures and a partial representation of a positioning device in an isometric view
  • Figure 9 is a view in the direction B of Figure 8.
  • Figure 10 is an enlarged view of the area C of Figure 9;
  • Figure 11 is a view in the direction D of Figure 8;
  • Figure 12 is a view of the corresponding components according to FIG.
  • FIG. 13 shows a sectional view along the line 13-13 according to FIG. 12.
  • An embodiment of a floor cleaning machine which is shown in Figures 1 to 13 and designated 10, is a sweeper, which is designed as a ride-on floor cleaning machine (ride-on sweeper).
  • the floor cleaning machine 10 includes a chassis 12 to which a rear wheel device 14 having a right rear wheel 14a and a left rear wheel 14b (with respect to a forward direction 15) are arranged.
  • a steerable front wheel 16 is arranged on the chassis 12.
  • a column member 20 On the chassis 12 is seated in the region of a front end 18, a column member 20. In this column member 20 is a handlebar means 22 is positioned, which is connected to the front wheel 16. On the handlebar device 22, a steering wheel device 24 is disposed outside of the column member 20.
  • the floor cleaning machine 10 is self-propelled.
  • the rear wheel device 14 is assigned a drive 26 (FIG. 12) arranged on the chassis 12.
  • This drive 26 is or includes in one embodiment
  • This electric motor is powered by a rechargeable battery device 28 with electrical energy.
  • the battery device 28 is arranged in a middle region of the floor cleaning machine 10 between the front end 18 and a rear end 30 on a corresponding battery holder 32.
  • the battery holder 32 is connected directly or indirectly to the chassis 12.
  • the floor cleaning machine 10 it is also possible in principle for the floor cleaning machine 10 to be driven in its travel movement by means of an internal combustion engine (not shown in the drawings).
  • This internal combustion engine directly drives the driving movement or, for example, drives a generator, which can be used provides electrical power, which is then used by appropriate motors of the floor cleaning machine 10.
  • At least one further electric motor is provided for driving one or more sweeping rollers or a blower (see below).
  • Electricity drives In a second operating mode, the internal combustion engine is not operated and the electrical energy necessary for operating the floor cleaning machine 10 is removed solely from the battery device 28, which is designed accordingly.
  • a sweeping roller 38 ( Figure 1) is arranged as a sweeping tool, which is a main sweeping roller.
  • This sweeping roller 38 is rotatably mounted about a rotation axis 40, which is parallel to a wheel axle of the rear wheel 14.
  • the axis of rotation is parallel to this flat surface.
  • the sweeping roller 38 is positioned between the rear wheel 14 and the front wheel 16. It is positioned at least approximately below the battery holder 32.
  • a positioning device 41 is provided for the sweeping roller 38, by means of which the sweeping roller 38 can be lifted off a surface to be cleaned and can be fixed in a distance position, for example a non-machining drive perform and with the sweeping roller 38 can be lowered onto the surface to be machined in a processing position to perform a sweeping accordingly.
  • This drive motor is positioned, for example, in front of the battery holder 32 toward the front end 18.
  • the drive motor is an electric motor, which is powered by the battery device 28 (or by a generator) with electrical power.
  • the drive motor is in particular positioned above the sweeping roller 38 directly or indirectly connected to the chassis 12.
  • the drive motor comprises a shaft to which a torque transmission device is coupled.
  • the torque transmission device is coupled to the sweeping roller 38.
  • a torque of the drive motor is transmitted to the sweeping roller 38 to the rotational drive about the rotation axis 40.
  • the torque transmission device comprises, for example, one or more belt drives.
  • the torque transmission device has a reduction (realized, for example, via a corresponding pulley), so that the rotational speed of the rotation of the sweeping roller 38 about the rotation axis 40 is lower than the rotational speed of the shaft of the drive motor about an axis of rotation.
  • the axis of rotation of the shaft is aligned in particular parallel to the axis of rotation 40 of the sweeping roller 38.
  • the floor cleaning machine 10 further includes one or more side brushes 48.
  • the floor cleaning machine 10 has a right side brush 48a and a left side brush 48b, wherein only one side brush 48a is shown in FIGS. 4, 8, 9, 11 and 12.
  • a side brush 48 is rotatable about a respective axis of rotation 50 (FIG. 2).
  • the axis of rotation 50 is oriented transversely to the axis of rotation 40 of the sweeping roller 38. It may be oriented perpendicular to the axis of rotation 40 or, for example, be oriented differently from this perpendicular at a small acute angle.
  • a rotation of a side brush 48 about the respective axis of rotation 50 is driven by the drive motor 42 or a separate side brush drive motor 51. It is provided for this purpose a corresponding torque transmission device, which may be partially formed by the torque transmission device.
  • the front wheel 16 is positioned between the side brushes 48a and 48b with respect to a transverse direction on the chassis 12 (which is perpendicular to a spacing direction between the front end 18 and the rear end 30).
  • the side brushes 48a, 48b are each assigned a side brush positioning device 53, via which the respective side brush 48a, 48b can be positioned in the processing position on the base 42 or at a distance therefrom.
  • a coupling port 52 is arranged, via which dirt and in particular debris can be coupled.
  • the side brushes 48 provide for supply of debris to the (main) sweeping roller 38 out.
  • the sweeping roller 38 raises debris at the coupling mouth 52 in a channel 54 which is positioned on the chassis 12.
  • the channel 54 leads to a container means 56 for receiving dirt.
  • the container means 56 comprises a first container and a second container, which are positioned next to each other detachably on the chassis 12 of the floor cleaning machine 10 in the region of the rear end 30. Sweepings that are conveyed into the container device 56 are split between the two containers. As a result, a single filled container is lighter than if only a single container is provided.
  • the container means 56 comprises only a single container.
  • the floor cleaning machine 10 includes a housing 58 disposed on the chassis 12 (see, for example, FIG. 4).
  • This housing 58 has a receiving space 60, which is formed in particular in the manner of an insertion opening. In these containers (or a single container) of the container means 56 are inserted, so that the container or the container debris, which comes from the channel 54 to him record.
  • a fixing device is provided in order to be able to fix containers (or the container) positioned in the receiving space 60 with the chassis 12 or with the housing 58.
  • the container (s) has rollers to facilitate the debris disposal when the container (s) are removed from the floor cleaning machine (10).
  • the rotating sweeping roller 38 causes a centrifuging of dirt particles in the channel 54 at the coupling mouth 52 and so that a filling of the container means 56 with debris.
  • the rotating sweeping roller 38 further generates an air flow, which supports the coupling of debris in the container means 56.
  • Covering elements 62 skirts 62 which serve to cover a lateral gap between the coupling mouth 52 and the base 42 on which the floor cleaning machine 10 rests, or to leave only a small gap, are arranged on the coupling mouth 52.
  • Such a cover member 62 is in particular elastically formed and / or arranged.
  • Kehrkantenelement 66 is arranged at the coupling mouth 52.
  • the floor cleaning machine 10 further comprises a suction device.
  • a suction flow is generated, which acts in the region of the injection port 52 to assist the coupling of debris in the container means 56 and also to effect a pressure equalization with respect to the air flow, which is generated by the sweeping roller 38.
  • the suction device comprises a fan.
  • the blower generates a corresponding vacuum flow for the suction effect.
  • the blower is connected directly or indirectly to the chassis 12.
  • the fan is positioned in the area of the fan drive motor. It is arranged in front of the battery holder 32 to the front end 18 of the chassis 12 out.
  • the drive motor is arranged and configured to also drive one or more impellers of the fan in a rotational motion.
  • a rotation axis for a corresponding impeller is in particular coaxial with the axis of rotation.
  • the drive motor is a drive motor for both the rotation of the sweeping roller 38 and the rotation of one or more impellers of the fan.
  • a filter device 70 is positioned in the air path between the suction device and thus between the fan and the container device 56 (FIG. 4).
  • the filter device 70 is arranged in a flow path between the channel 54 or the container device 56 and the blower. It is traversed by the negative pressure flow of the suction device. The filter device 70 prevents injected dirt particles can reach the fan.
  • the filter device 70 is held by a filter holder 72 on the floor cleaning machine 10 (releasably).
  • the filter holder 72 is formed on the housing 58.
  • the housing 58 includes for this purpose a filter housing 74 (for example, Figure 4), with a
  • This wall 76 has a particular flat top 78. This upper side 78 faces away from an underside of the chassis 12. In particular, it is oriented parallel to a direction of spacing between the front end 18 and the rear end 30 and oriented parallel to a wheel axle of the rear wheel device 14 or the axis of rotation 40.
  • an opening 80 is arranged in the wall 76. The opening 80 points into the channel 54.
  • a boundary 82 of the opening 80 (cf., for example, FIG. 3) is formed by the wall 76.
  • the filter device 70 is designed in particular as a flat fold filter. It comprises a filter frame, which in particular rectangular in cross section is. On the filter frame parallel folds of filter material are held. The filter material is permeable to air and impermeable to dust particles down to a lower threshold size.
  • the floor cleaning machine 10 comprises a hood 88 (FIGS. 1 to 3, removed in FIGS. 4 to 12). This hood 88 is pivotally connected via a pivot bearing 90 to the housing 58. A pivot axis of this
  • Swivel bearing 90 is oriented parallel to a wheel axle of the rear wheel device 14 or parallel to the axis of rotation 40. About the pivot bearing 90, the hood 88 is supported on the chassis 12.
  • the hood 88 In a closed position of the hood 88, the hood 88 covers the filter holding device 72 with the filter device 70, the battery device 28 and the drive motor to the outside.
  • the hood 88 In an open position, access to the filter holding device 72 with the filter device 70, to the battery device 28 and also to the drive motor is made possible. Based on the closed state with the hood 88 closed, the hood 88 can be opened by pivoting in a pivoting direction 94 (FIG. 1), which lies in the direction of the rear end 30.
  • the pivoting direction 94 for opening the hood 88 is a clockwise direction.
  • hood 88 If the hood 88 is open, then it is fixable in its corresponding open pivot position, in particular to allow access to the filter device 70.
  • the hood 88 forms a housing (a cover) which also houses the housing 58.
  • a driver's seat 102 is arranged on the hood 88.
  • the driver's seat 102 is mitverschwenkt.
  • a support member 104 is spaced from the chassis 12.
  • This support element 104 is disposed at least approximately centrally in front of the battery holder 32 with respect to outsides of the floor cleaning machine 10.
  • the support member 104 is formed in a columnar or dome-shaped and serves with the hood 88 closed to support the hood 88; the hood 88 has a contact area and the support element 104 has a counter area.
  • a connection for fluid-effective coupling between a guide device for process air on the hood 88 and one or more channels for process air on the support element 104 takes place on the support element 104 when the hood 88 has been closed.
  • the channel or the channels in the support element 104 are in particular directly connected fluid-effectively with the blower of the suction device.
  • the hood 88 has a front wall 106 (see, for example, FIG. 3) which, when the hood 88 is closed, covers the drive motor, the suction device, the battery device 28, etc., toward the pillar element 20.
  • an operating foot rest area 108 is arranged between the front end 18 of the floor cleaning machine 10 and the front wall 106 (with the hood 88 closed).
  • an operating foot rest area 108 is arranged at this set-up area 108.
  • the pillar element 20 is positioned or the pillar element 20 projects beyond this set-up area 108 upwards.
  • a driver is sitting on the driver's seat 102, then he can put his feet on the set-up area 108 and operate the steering wheel 24.
  • the front wall 106 then represents an intermediate area between the driver's seat 102 and the installation area 108.
  • Foot pedals 110a, 110b are arranged on the installation area 108.
  • a foot pedal 110a and a foot pedal 110b are respectively disposed on the right and left of the pillar member 20 at a small distance therefrom.
  • the foot pedal 110a is a vehicle speed controller including the vehicle speed brake
  • the foot pedal 110b is a rough dirt valve operating pedal.
  • a foot pedal 112 which is connected to the side brush positioning device 53, is arranged on the installation area 108. About this foot pedal 112, an operator can position the side brush or 48.
  • the foot pedal 112 is closer to a right side of the vehicle than to a left side of the vehicle. This foot pedal 112 is positioned adjacent to the front wall 106.
  • a foot pedal 114 is provided, which is coupled to the positioning device 41 for the sweeping tool holder 39 with the sweeping roller 38. About this foot pedal 114 can then be positioned according to the sweeping roller 38 in the processing position or in the distance position. In one embodiment, the foot pedal 114 is disposed opposite the foot pedal 112. The foot pedal 114 is arranged in particular closer to a left side of the vehicle than the foot pedal 112. It is arranged in particular directly adjacent to the front wall 106.
  • the foot pedals 112 and 114 are positioned at least approximately symmetrically to a center plane of the floor cleaning machine 10, wherein this center plane, for example, extends centrally through the column member 20.
  • the hood 88 is supported adjacent the deployment area 108 on the chassis 12 at support locations 116, 118. If the floor cleaning machine 10 is placed on the base 42, then these support points 116, 118 are closer to the base 42 as a corresponding counter region of the support member 104 for the contact area of the hood 88th
  • the support point 116 is immediately adjacent to the installation area 108 behind the foot pedal 112.
  • the support point 118 is located behind the installation area 108 and thereby directly behind the foot pedal 114.
  • the foot pedals 112, 114 are arranged so that a driver sitting on the driver's seat 102 can operate them without "changing places", the foot pedals 112, 114 preferably being out of reach for normal driving operation (with operation of the foot pedals 110a, 110b) to prevent inadvertent operation or to allow comfortable driving.
  • the sweeping tool holder 39 comprises a rocker 120.
  • This rocker 120 is pivotally mounted on the chassis 12 via a pivot bearing 122.
  • the pivot bearing 122 defines a first pivot axis 124 (see, for example, in FIGS. 5 to 7) about which the rocker 120 and thus the sweeping tool holder 39 with the sweeping tool (the sweeping roller 38) relative to the chassis 12 is pivotable.
  • the first pivot axis 124 is oriented parallel to a wheel axis of the rear wheel device 14 for the (main) sweeping roller 38. When the floor cleaning machine 10 rests on a flat surface 42, then the first pivot axis 124 is parallel to this base.
  • the pivoting direction 126 is a clockwise direction with respect to a left side of the vehicle. Starting from the processing position (FIG. 7), the rocker 120 and thus the sweeping tool 38 can be pivoted in a pivoting direction 128 in order to reach the distance position.
  • the pivoting direction 128 is an opposite direction to the pivoting direction 126.
  • an actuating lever 130 via a pivot bearing 132 (see, for example, Figure 8) articulated.
  • the pivot bearing 132 defines a pivoting of the actuating lever 130 about a second pivot axis 134.
  • This second pivot axis 134 is parallel to the first pivot axis 124th
  • the pivot bearing 132 is spaced from the pivot bearing 122.
  • the operating lever 130 is formed as a foot pedal lever with the foot pedal 114. An operator can operate a foot operation of the operating lever 130 (a pivotal movement and a lateral movement as explained in more detail below).
  • the actuating lever 130 is coupled via a web (a strut) 138 (mechanically) to the sweeping tool holder 39 and thereby to the rocker 120.
  • the actuating lever 130 has an end portion 140, which faces away from the pivot bearing 122 (see FIGS. 5 to 7).
  • This end portion 140 is outside the hood 88 and thereby before the
  • the end region 140 is in particular positioned above the installation area 108.
  • the web 138 is articulated to this end region via a pivot bearing 142 (compare, for example, FIGS. 5 to 7).
  • the pivot bearing 142 defines a third pivot axis 144 about which the web 138 is pivotally hinged to the actuating lever 130.
  • a tread element 146 of the foot pedal 114 At the end region 140 sits above the pivot bearing 142, a tread element 146 of the foot pedal 114.
  • the web 138 is spaced from the pivot bearing 142 via a coupling device 148 to the rocker 120 (the sweeping tool holder 39) coupled.
  • the coupling device 148 is designed in particular as a rotary-sliding bearing. In one embodiment, it comprises a recess 152, in particular in the form of an oblong hole on the web 138. This recess 152 is spaced from the pivot bearing 142 and spaced from a first end 154 and an opposite second end of the web 138.
  • an engagement member 158 is arranged, in particular in the form of a pin, which is immersed in the recess 152 and is movable in this.
  • the coupling device 148 allows both the pivotability of the rocker 120 (the sweeping tool holder 39) about the first pivot axis 124, as well as a translation displacement of the web 138 relative to the rocker 120 (that is, a relative displaceability of the engagement member 158 in the recess 152).
  • the web 138 and the rocker 120 are further coupled to each other via a spring device 160.
  • the spring device has a coupling point 162 on the web 138. This coupling point 162 lies in the region of the second end 156 of the web 138.
  • the spring device 160 further has a coupling point 164 to the rocker 120. This coupling point 164 is spaced from the pivot bearing 122 and is located in the vicinity of the engagement element 158th
  • the spring device 160 is arranged and designed so that in the spaced position of the sweeping tool holder 39, the spring device 160 is biased ( Figure 5) and endeavors to allow a relative movement of the web 138 to the rocker 120.
  • the spring device 160 is or preferably comprises a tension spring 166, which is suspended in particular at the coupling points 162 and 164. With a bias of the tension spring 166 this tends to reduce the distance between the coupling points 162 and 164.
  • the coupling point 162 of the spring device 160 on the web 138 is located on the base 42, when the floor cleaning machine 10 properly rests thereon, below the coupling point 164 of the spring device 160 on the rocker 120.
  • the spring device 160 is arranged and configured to be positioned in front of the web 138 in the direction of the front end 18, with respect to the region of the web 138 with the recess 152.
  • the web 138 has a corresponding hook element at the second end 156 in order to make this possible.
  • the spring device 160 is further arranged in one embodiment at least approximately at the same height relative to the pad 42 as the pivot bearing 122 when the floor cleaning machine 10 is properly placed on the pad 42.
  • the recess 152, the spring device 160 and the coupling points 162, 164 are arranged in a region 168 (FIGS. 1 to 3) which lies below the installation region 108.
  • the installation area 108 covers this area 168 upwards.
  • Disposed on the chassis 12 is a guide element 170 on which the actuating lever 130 is guided (for example, FIGS. 4 to 7; in FIGS. 8 to 11, the guide element 170 is removed).
  • the guide element 170 lies behind the front wall 106 and is at least partially covered by the hood 88.
  • the guide member 170 is spaced from the pivot bearing 122 and spaced from the end portion 140 of the rocker 120.
  • the guide member 170 has a slot portion 172 through which the operating lever 130 is provided with a portion 174 which is interposed between the end portion 140 and the portion with which the operating lever 130 is hinged to the pivot bearing 122.
  • the slot portion 172 forms a through opening to just that
  • the slot area 172 includes a first area 176 and a second area 178 adjacent to the first area.
  • the first area 176 and the second area 178 are each slot-shaped.
  • the first region has an extension length Li (see FIG. 6) transversely to the first pivot axis 124.
  • the second region 178 has a length L 2 in the same direction, the length L 2 being greater than the length Li.
  • the first region 176 and the second region 178 have a common end 180 towards the bottom 124.
  • a step 182 is formed on the slot region 172 during the transition from the first region 176 to the second region 178.
  • An end 184 of the first region 176 opposite the end 180 at the step 182 forms a stop for the actuating lever 130.
  • the actuating lever 130 abuts against the stop (end) 184 with its region 174 (see FIG. 5) , then another Pivot mobility of the actuating lever 130 upwards in one
  • Pivoting direction of the pad 42 away (clockwise in Figure 5) locked.
  • the actuating lever 130 is pivoted about the pivot bearing 132 on the chassis 12. He also has a transverse mobility (indicated in Figure 5 by an arrow with the reference numeral 186).
  • the operating lever 130 is movable in a direction parallel to the first pivot axis 124.
  • This transverse mobility of the operating lever 130 makes it possible to solve the distance position.
  • the actuating lever 130 can thereby be transferred from the first region 176 into the second region 178. It can then be pivoted further upwards (from the base 42) in the second area 178. This makes it possible to reach the machining position (FIG. 7).
  • FIG. 6 shows an intermediate position in which the actuating lever 130 moves in the second region 178 until the end position according to FIG. 7 is reached.
  • the sweeping roller 38 has a height H ( Figure 1). This height H corresponds to the sweeping roller 38 in the case of a sweeping roller.
  • the sweeping roller 38 comprises a bristle holder 188 (see FIG. 1) on which bristles 190 are seated. During a cleaning process in the bristles act with their tip or a region at the top of the pad 42. The height H (and thus the diameter) of the sweeping roller 38 is predetermined by a corresponding bristle length of the bristles 190th
  • the bristles 190 wear during sweeping operation; This manifests itself in the fact that their length decreases.
  • the height H (and thus the diameter) of the sweeping roller 38 thus decreases in the cleaning operation.
  • the position of the operating lever 130 in the second machining position portion 178 of the sweeping roller 38 is determined by the height H of the sweeping roller 38. If the sweeping roller 38 has a smaller height H, then the portion 174 of the operating lever 130 rests against the guide member 170 and therewith at the second region 178 farther from the pad 42, since the rocker 120 can be pivoted in the pivoting direction 126 by a larger angle to the pad 42 toward.
  • the pivotal position of the operating lever 130 on the guide element 170 and thereby the position of the region 174 in the second region 178 (in the processing position) is thus predetermined by the height H of the sweeping roller 38.
  • the operating lever 130 is assigned a wear indicator 192.
  • the wear indicator 192 is arranged as a scale on the hood 88 (the housing 88), namely on a housing area which covers the guide element 170.
  • the wear indicator 192 ' is arranged as a scale directly on the guide member 170 when the guide member 170 is visible from the outside (the hood 88 then has, for example, a corresponding recess), so that the wear indicator 192' from the outside is visible.
  • the sweeping roller 38 is located at least in a large portion below the chassis 12 and is also covered laterally by the cover 62. An operator of the floor cleaning machine 10 can therefore not directly from the outside recognize the height H or recognize the bristle wear. By looking at the wear indicator 192 or 192 ', when the machining position is provided on the positioning device 41, it also allows easy detection of the degree of bristle wear.
  • the wear indicator 192 is arranged on a region 194 of the hood 88, which is in particular supported directly on the chassis 12. As a result, a relatively accurate wear indicator can be achieved and tolerances are minimized.
  • the wear indicator 192 or 192 ' may be a quantitative indication and / or a qualitative indication.
  • the quantitative display indicates, in particular, the bristle length or a measure of the bristle length.
  • the qualitative indication indicates whether the sweeping roller 38 can still be used for a sweeping operation or not.
  • the tillage machine 10 of the invention operates as follows:
  • the operating lever 130 is positioned in the first area 176 of the guide element 170 (with its area 174) and bears against the stop 184. In this spaced position, the operating lever 130 can not be pivoted further upwardly away from the pad 42.
  • the engagement member 158 on the rocker 120 abuts an upper end 196 of the recess 152. As a result, the pivoting mobility of the rocker 120 is locked with the sweeping tool 38 in the pivoting direction 126 and fixes the distance position.
  • the spring device 160 is biased thereby; a spring force of the spring device 160 strives to reduce the distance between the coupling point 162 and the coupling point 164 in the distance position.
  • An operator can bring the sweeping roller 39 into the processing position starting from this distance position. For this purpose, it acts and thereby moves the actuating lever 130 in the direction 186 such that the region 174 is guided from the first region 176 into the second region 178 (FIG. 6).
  • a corresponding arrow 198 for the transverse mobility 186 is arranged in order to signal an operator just this "possibility of releasing" the locking of the distance position.
  • the actuating element 130 is also pressed down to the pad 42 to allow release of the stop 184.
  • the operator thus moves the actuating lever 130 with its region 174 from the first region 176 into the second region 178.
  • the spring device contracts and this causes the web 138 to be displaced upward away from the support 42 (FIG. 6) ).
  • This mobility is just about the recess 152 and in particular their training as a slot allows.
  • the recess 152 thus shifts to the engagement element 158.
  • This causes the actuation lever 130 to be displaced upward in the second area 178, thereby passing over the end 184 (FIG. 6).
  • the angle of rotation depends on how high the height H of the sweeping roller 38 is and thus on the bristle length.
  • the operating lever 130 pivots in the second region 178 upwards until the end position of the rocker 120 is reached by resting the sweeping roller 38 on the base 42.
  • a corresponding end position corresponding to the processing position of the sweeping roller 38 is then shown, wherein in the exemplary embodiment shown there, the actuating lever 130 is pivoted to near an end of the second region 178 (opposite the end 180). This means a low height H or a strong bristle wear.
  • the processing position shown in Figure 7 corresponds to a large deflection of the operating lever 130; this corresponds to a large wear of the sweeping roller 38.
  • wear indicator 192 shows in the position shown in Figure 7 that the sweeping roller 38 "soon" must be replaced.
  • the spring device 160 ensures that disengagement from the distance position according to FIG. 5 is also possible if the height H of the roller brush 38 is relatively high (there is no wear). If, starting from the distance position, the actuating lever 130 is moved in the transverse direction 186, then the spring device 160, in cooperation with the recess 152, ensures that the region 174 of the actuating lever 130 is moved over the step 182, that is, reaches a secure disengagement and also an accidental locking is prevented in a machining operation. If, starting from the processing position ( Figure 7), an operator wants to bring the sweeping roller 38 in the distance position, then he presses in a direction 200 on the tread 146 of the operating lever 130. The actuating lever 130 is then about the second pivot axis 134 in a
  • Swivel direction 128 ( Figure 7) down to the pad 42 pivoted.
  • the web 138 is moved downward and thereby the rocker 120 is pivoted away from the pad 42 by a pivoting movement in the direction 128.
  • the area 174 of the operating lever 130 can be brought into the first area 176. After releasing the operating lever 130 by the Operator, the area 174 may abut against the end 184 so as to lock the distance position of the sweeping roller 38.
  • the guide element 170 forms, with its slot region 172, a type of link for the region 174 of the actuating lever 130.
  • the processing position of the sweeping roller 38 can be achieved or it can reach the distance position and lock.
  • a wear indicator 192 can be formed in a simple manner by means of which an operator can recognize the wear of bristles 190 of the sweeping roller 38 without having to examine the sweeping roller 38 himself.
  • the position of the portion 174 of the operating lever 130 on the guide member 170 in the processing position of the sweeping roller 38 characterizes the height H of the sweeping roller 38 and thus the bristle wear.
  • the spring device 160 in particular in cooperation with the recess 152, ensures that even for a sweeping roller 38 without bristle wear the transition from the distance position to the processing position is achieved and there is no unintentional locking in the processing position. This results in a simple compact construction of the floor cleaning machine 10 by the described design of the positioning device 41. In particular, a movement space of the sweeping tool holder 39 with the rocker 120, which is achieved to achieve the distance position and the machining position, relatively small, so that the compact design easy way to realize.
  • the distance position of the sweeping tool holder 39 is a maximum pivoting position 42 upwardly away from the base 42 and thus a limit position.
  • the floor cleaning machine according to the invention is designed in particular as a sweeping machine and preferably as a ride-on sweeping machine. It is especially designed as a sweeping suction machine.
  • a side brush 48 it is also possible for a side brush 48 to be brought into a processing position and into a distance position to the base 42 via a same positioning mechanism as described with reference to the positioning device 41.

Abstract

L'invention concerne une machine de nettoyage de sol, comprenant un châssis (12), un support d'outil de balayage (39), qui est monté sur le châssis (12) de manière à pouvoir pivoter autour d'un premier axe de pivotement (124), un outil de balayage (38), qui repose sur le support d'outil de balayage (39), et un dispositif de positionnement (41) au moyen duquel le support d'outil de balayage (39), pour une position de traitement de l'outil de balayage (38), peut être positionné sur une base (42) soutenant la machine de nettoyage de sol, et au moyen duquel le support d'outil de balayage (39) peut être positionné à partir de la base (42) dans une position d'écartement de l'outil de balayage (38), le dispositif de positionnement (41) comprenant un levier d'actionnement (130), qui est articulé sur le châssis (12) de manière à pouvoir pivoter autour d'un second axe de pivotement (134), qui est accouplé au support d'outil de balayage (39), et au moyen duquel le support d'outil de balayage (39) peut être amené dans la position de traitement et dans la position d'écartement ; et, dans la position de traitement, une position de pivotement du levier d'actionnement (130) étant prédéfinie par une hauteur (H) de l'outil de balayage (38), la hauteur (H) de l'outil de balayage (38) dépendant de l'usure.
EP17733841.5A 2017-06-28 2017-06-28 Machine de nettoyage de sol comprenant un dispositif de positionnement destiné à un outil de balayage Pending EP3644817A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/066060 WO2019001707A1 (fr) 2017-06-28 2017-06-28 Machine de nettoyage de sol comprenant un dispositif de positionnement destiné à un outil de balayage

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EP3644817A1 true EP3644817A1 (fr) 2020-05-06

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EP17733841.5A Pending EP3644817A1 (fr) 2017-06-28 2017-06-28 Machine de nettoyage de sol comprenant un dispositif de positionnement destiné à un outil de balayage

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EP (1) EP3644817A1 (fr)
CN (1) CN110868899B (fr)
WO (1) WO2019001707A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102020121035A1 (de) * 2020-08-10 2022-02-10 Alfred Kärcher SE & Co. KG Boden-Reinigungsmaschine und Verfahren zum Betreiben einer Boden-Reinigungsmaschine

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Publication number Priority date Publication date Assignee Title
DE58908709D1 (de) * 1988-12-07 1995-01-12 Schoerling Waggonbau Verfahren und Vorrichtung zur Einstellung einer vorgewählten Kehrspiegelbreite eines Walzenbesens.
DE19644570C2 (de) 1996-10-26 1999-11-18 Kaercher Gmbh & Co Alfred Fahrbares Bodenreinigungsgerät
GB9703555D0 (en) * 1997-02-20 1997-04-09 Briscoe William A Brush pressure system
DE10143941A1 (de) 2001-09-07 2003-03-27 Hako Gmbh Verfahren zum Reinigen des Filters einer fahrbaren Bodenreinigungsmaschine sowie fahrbare Bodenreinigungsmaschine
US6971137B2 (en) 2001-10-09 2005-12-06 Tennant Company Floor maintenance machine with air-cooled motor
US7120961B2 (en) 2002-09-06 2006-10-17 Tennant Company Brush wear adjustment system and method
DE10342454B4 (de) 2003-09-15 2008-01-03 Hako-Werke Gmbh Bodenreinigungsmaschine
ITPN20080037A1 (it) 2008-05-16 2009-11-17 Nilfisk Advance S P A "mezzi filtranti perfezionati e macchina per spazzatura pavimenti dotata di tali mezzi"
WO2013017167A1 (fr) * 2011-08-02 2013-02-07 Alfred Kärcher Gmbh & Co. Kg Machine mobile de nettoyage des sols et procédé permettant de faire fonctionner une machine de nettoyage des sols
CN202181530U (zh) 2011-08-15 2012-04-04 柯金荣 电动清扫车
CN105407776B (zh) * 2013-07-23 2019-01-01 阿尔弗雷德·卡赫欧洲两合公司 地面清洁机和用于调整清扫辊在地面清洁机上的定位的方法
CN203701004U (zh) * 2014-01-20 2014-07-09 芜湖爱瑞特环保科技有限公司 一种洗地机盘刷

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CN110868899A (zh) 2020-03-06
CN110868899B (zh) 2022-04-08

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