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EP3781010A1 - Machine de nettoyage pourvue d'une tête de nettoyage pourvue d'un équipement de transmission - Google Patents

Machine de nettoyage pourvue d'une tête de nettoyage pourvue d'un équipement de transmission

Info

Publication number
EP3781010A1
EP3781010A1 EP18719541.7A EP18719541A EP3781010A1 EP 3781010 A1 EP3781010 A1 EP 3781010A1 EP 18719541 A EP18719541 A EP 18719541A EP 3781010 A1 EP3781010 A1 EP 3781010A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
machine according
shaft
cleaning machine
drive shaft
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.)
Granted
Application number
EP18719541.7A
Other languages
German (de)
English (en)
Other versions
EP3781010B1 (fr
Inventor
Rainer Schäfer
Frank Nonnenmann
Bernhard Maurer
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 EP3781010A1 publication Critical patent/EP3781010A1/fr
Application granted granted Critical
Publication of EP3781010B1 publication Critical patent/EP3781010B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A47L11/26—Floor-scrubbing machines, hand-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
    • A47L11/4041—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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools

Definitions

  • the invention relates to a cleaning machine with a cleaning head, on which at least one cleaning unit is arranged, wherein the at least one cleaning unit comprises: a drive motor with a drive shaft, which is rotatable about a drive shaft axis of rotation; a cleaning roller shaft; a cleaning roller disposed on the cleaning roller shaft and a transmission device operatively coupled torque to the drive shaft and torque operatively connected to the cleaning roller shaft, the drive shaft having a first coupling portion for the transmission device having a first front end; the cleaning roller shaft has a second coupling region for the transmission device with a second front end.
  • Such a cleaning machine is, for example, a scrubber-drier.
  • a nozzle for a floor cleaning device for example a vacuum cleaner is known, with a floor cleaning roller, which is designed to be in contact with a floor to be cleaned during operation of the nozzle during rotation about a rotation axis a drive unit having an output shaft which is designed to rotate the floor cleaning roller and having a substantially a disc-shaped display element, which is mechanically connected to the output shaft of the drive unit and is designed to indicate a rotation of the output shaft of the drive unit.
  • the invention has for its object to provide a cleaning machine of the type mentioned, with which there are extended cleaning options.
  • a free space is formed on the latter above the first area. This results in a better under-ride of obstacles.
  • the installation space of the cleaning head is laterally (left and / or right) reduced, in order to enable better driving under.
  • the built-up space at a side edge of the cleaning head is reduced in the height direction.
  • the at least two-stage transmission device enables the formation of the geometric step area with the improved drive-through by a corresponding torque transmission while avoiding the free space at the step area.
  • the cleaning machine according to the invention has extended possibilities of application with regard to the driving ability of obstacles.
  • the transmission device bridges a distance between the first coupling region and the second coupling region in the direction parallel to the drive shaft rotation axis.
  • the transmission device also bridges a distance between the first coupling region and the second coupling region in the height direction.
  • the corresponding drive motor can be positioned in the vertical direction above the associated cleaning roller. This results in a compact construction of the cleaning head.
  • the transmission device is formed in two stages. In a first stage, the torque is transmitted from the drive shaft to an intermediate element. In the second stage, the torque is transmitted from the intermediate member to the cleaning roller shaft.
  • an intermediate shaft of the transmission device is arranged on the second region.
  • the intermediate shaft is driven by the drive shaft.
  • the intermediate shaft in turn drives the cleaning roller shaft. It is thus possible to integrate a transmission device with a compact design into the step area with good (lateral) under-running capability for the cleaning head.
  • the intermediate shaft is torque-effectively coupled to the first coupling region of the drive shaft and torque-effective to the second coupling region of the cleaning roller shaft. In this way, a torque can be transmitted from the drive shaft to the cleaning roller shaft, whereby the step area is realized with the resulting improved under-ride capability.
  • an intermediate shaft rotation axis is parallel to the drive shaft rotation axis and / or the intermediate shaft rotation axis is parallel to a cleaning roller shaft rotation axis. This results in a compact construction.
  • the intermediate shaft is coupled to the first coupling region via a first belt and / or coupled to a second coupling region via a second belt.
  • a first intermediate shaft coupling region, at which a torque of the drive shaft is introduced, and a second intermediate shaft coupling region, at which a torque is derived to the cleaning roller shaft lie in the region of opposite ends of the intermediate shaft. It can thus be achieved in a simple manner a torque redirection in the direction parallel to the drive shaft axis of rotation, which in turn can easily reach a step area with reduced height at the edge (left edge and / or right edge) of the cleaning head.
  • the second intermediate shaft coupling region is in the height direction above the second coupling region of the cleaner. roller shaft is located. This results in an effective construction with formation of the geometric step area.
  • the second intermediate shaft coupling portion is in alignment with the second coupling portion of the cleaning roller shaft with respect to the direction parallel to the drive shaft rotation axis. It results in a compact structure.
  • the intermediate shaft and the cleaning roller shaft can thereby be effectively positioned at the first area.
  • first intermediate shaft coupling region is aligned with the direction parallel to the drive shaft rotation axis in alignment with the first coupling region of the drive shaft.
  • first coupling region can be positioned on the second region and the intermediate wave with the first intermediate wave coupling region on the first region of the stepped region.
  • a lower travel height of the cleaning head at the step area in the height direction is at most 25 cm, in particular at most 20 cm and in particular at most 18 cm. This results in extended cleaning options.
  • a sub-depth of the step area in a direction parallel to the drive shaft axis of rotation is at least 5 cm and in particular at least 7 cm and in particular at least 9 cm. This results in more advanced cleaning options. It can be traversed by obstacles.
  • the drive motor is seated within a motor housing which has a first side wall, which is adjacent to the first end face of the drive shaft. This allows the drive motor to be positioned in a protected position on the cleaning head. Furthermore, it is favorable if the cleaning head has a second side wall, which is in the direction parallel to the drive shaft rotation axis spaced from the first side wall, and in particular a lower depth of the cleaning head at least approximately a distance between the first side wall and the second side wall equivalent.
  • the second side wall can be used, for example, for rotatably supporting the cleaning roller shaft.
  • the cleaning roller shaft is covered to the outside by the second side wall or an element connected to the second side wall.
  • the cleaning roller shaft is seated on the second side wall, or sits on an element and in particular a cover wall, which is connected to the second side wall. This results in a compact construction and essentially the entire width of the cleaning head for the cleaning roller can be utilized. A width of the cleaning head is then only slightly larger than a corresponding length of a cleaning roller in this direction.
  • a cover wall is positioned between the first side wall and the second side wall, wherein in particular a lower drive height of the cleaning head is predetermined by a height of the cleaning head in the height direction on the cover wall.
  • the top wall is a kind of "step tread" on the step area.
  • the cover wall can also be used, for example, to fix the drive motor.
  • a fixing device for a cleaning roller of a further cleaning unit is arranged on the second side wall. This makes it easy to mount a cleaning roller on the cleaning head and also solve. This results in a compact construction of the cleaning head.
  • a motor unit is provided on which the drive motor, the transmission device and the cleaning roller shaft are arranged. This results in a compact structure.
  • the motor unit is then in turn fixed to a support of the cleaning head.
  • a base body is provided on which the cleaning head is seated, the cleaning head protruding at least in one direction laterally beyond a boundary plane of the base body, and in particular the second area of the step area lying outside the boundary plane of the base body , at least with respect to a straight-ahead position of the cleaning head.
  • the drive shaft is arranged in a direction transverse to the height direction and transversely to the direction parallel to the drive shaft rotation axis offset from the cleaning roller shaft.
  • the cleaning head can be made so compact while optimizing the use of space. It is easy to form the step area.
  • the drive motor is positioned relative to the height direction above the cleaning roller.
  • the drive motor can be protected by this position at a relatively large distance from a surface to be cleaned.
  • the drive motor and in particular a motor housing for the drive motor are positioned on an upper side of the cleaning head. This results in an optimized use of space.
  • a plurality of cleaning units are provided, wherein a first drive motor of a first cleaning unit and a second drive motor of a second cleaning unit are arranged so as to have coaxial drive shaft rotation axes, or so arranged are that they have transversely offset drive shaft axes of rotation.
  • a first drive motor of a first cleaning unit and a second drive motor of a second cleaning unit are arranged so as to have coaxial drive shaft rotation axes, or so arranged are that they have transversely offset drive shaft axes of rotation.
  • a cleaning head for cleaning liquid is arranged on a cleaning head.
  • cleaning liquid for dissolving dirt can be applied to a surface to be cleaned and in particular to a floor surface.
  • the spray device is arranged so that a region to be cleaned can first be sprayed with cleaning liquid before a cleaning roller acts on it.
  • a front end of the cleaning machine is formed on the cleaning head.
  • the cleaning head projects beyond a main body of the cleaning machine. It is thus possible, for example, to hit a boundary via the cleaning head (which is provided in particular with buffers) and not over the main body.
  • the cleaning machine according to the invention is designed as a scrubbing machine, wherein the at least one cleaning unit has a scrubbing roller as the cleaning roller.
  • the cleaning machine is designed as a scrubber-suction machine with, for example, a suction bar for sucking off excess liquid from the surface to be cleaned.
  • the cleaning machine is advantageously designed as a self-propelled cleaning machine and in particular as a trailer machine or ride-on machine.
  • the self-propelled cleaning machine has a drive motor for autonomous driving.
  • FIG. 2 shows a plan view of the cleaning machine according to FIG. 1;
  • FIG. 4 is a view similar to FIG. 3 with a removed motor housing
  • FIG. 5 shows a bottom view of the cleaning head according to FIG. 3 with partially dissolved cleaning rollers
  • FIG. 6 shows an isometric view of an embodiment of a motor unit with a drive motor, a transmission device and a cleaning roller shaft;
  • FIG. 7 shows another isometric view of the motor unit according to FIG. 6, wherein still a detached wall is shown;
  • FIG. 8 shows a plan view of the motor unit according to FIG. 6;
  • Fig. 9 is a sectional view taken along line 9-9 of Fig. 8;
  • FIG. 10 is an isometric view of another embodiment of a cleaning head
  • FIG. 11 shows the cleaning head according to FIG. 10 with the motor housing removed;
  • FIG. Fig. 12 an isometric view of the cleaning head similar to
  • FIG. 13 shows a bottom view of the cleaning head similar to that in FIG. 5, but with fixed cleaning rollers;
  • FIGS. 1 and 2 and designated by 10 An embodiment of a cleaning machine according to the invention, which is shown in FIGS. 1 and 2 and designated by 10, is a scrubbing machine, in particular in the form of a scrubber-drier.
  • the cleaning machine 10 comprises a main body 12 with a chassis 14.
  • a front wheel 16 and a rear wheel 18 are arranged on the chassis 14.
  • the front wheel device 16 includes, for example, a right front wheel 22 and a left front wheel (not visible in the drawings) with respect to a straightforward forward direction 20 (FIG. 1).
  • the rear wheel device 18 comprises (in at least one embodiment) a steering roller 24.
  • the cleaning machine 10 is self-propelled.
  • a corresponding traction drive motor for example in the form of an electric motor or internal combustion engine, which in particular drives the front wheel device 16 for a travel movement of the cleaning machine 10 as a whole.
  • the main body 12 has a front end 28 and a rear end 30.
  • a suction bar 26 is arranged on the main body 12.
  • the suction bar 26 is arranged in the region of the rear end 30 of the main body 12.
  • About the suction bar 26 can absorb excess liquid from a surface to be cleaned.
  • a suction unit device is arranged, which is fluid-effectively connected to the suction bar 26 and generates a suction flow for the suction of excess liquid (not visible in the drawings).
  • a tank means for dirty fluid is arranged on the main body 12, which receives sucked-in liquid (which is contaminated).
  • a tank device for cleaning liquid is arranged on the base body 12, and a pumping device for cleaning liquid is arranged, in which case the surface to be cleaned with cleaning liquid, in particular in the region of the front end 28 of the body 12, can be acted upon ,
  • a casing or a housing 32 is arranged, which covers the components of the cleaning machine 10 as suction unit device and traction drive motor.
  • the cleaning machine 10 is designed as a Nachêtrmaschine. An operator positions himself behind the rear end 30 of the cleaning machine 10 and runs with it.
  • an operating device 34 is arranged, which in particular comprises a steering wheel 36 and a control panel 38.
  • An operator engages the cleaning machine 10 via the steering wheel 36, which acts on the steering roller 18. He can set corresponding functions of the cleaning machine 10 via the control panel 38.
  • a cleaning head 40 is arranged on the main body 12.
  • the cleaning head 40 is in particular arranged so as to be vertically displaceable such that it can be lowered onto a surface to be cleaned for a cleaning operation and can be lifted off a floor surface for a non-cleaning operation.
  • the cleaning machine 10 has a front end 42 which is formed on the cleaning head 40 and spaced from the front end 28 of the main body 12.
  • the cleaning head 40 protrudes forward beyond the base body 12.
  • a free space 44 is formed in the region of the front end 28 and downwards, in which the cleaning head 40 (partially) sits.
  • the cleaning machine 10 has a left delimiting plane 46 and a right delimiting plane 48 with respect to its basic body 12 and with respect to the straight-ahead driving direction 20. Between the left boundary plane 46 and the right delimiting plane 48, the main body 12 extends in one Transverse direction 50 to a longitudinal direction 52 of the main body 12th
  • the cleaning head 40 protrudes beyond the corresponding boundary plane on at least one side.
  • the cleaning head 48 protrudes beyond the right boundary plane 48 of the main body 12 with a region 54.
  • the cleaning head 40 comprises a carrier 56 (FIGS. 4, 5).
  • first motor unit 58 and a second motor unit 60 are arranged on the carrier 56.
  • the first motor unit 58 and the second motor unit 60 are basically identical in one embodiment (FIGS. 3 to 9). They are arranged on the support 56 mirror-symmetrically to a mirror plane 62 (FIG. 4).
  • a first cleaning roller 64 is seated on the carrier 56 and a second cleaning roller 66 is driven by the second motor unit 60.
  • the motor units 58, 60 are supplied with electric current by a battery device or generator device arranged on the base body 12.
  • the first cleaning roller 64 when driven by the first motor unit 48, rotates about a first cleaning roller rotation axis 68.
  • the second cleaning roller 66 when driven by the second motor unit 60, rotates about a second cleaning roller rotation axis 70 (FIG. see Figure 5).
  • the first cleaning roller rotation axis 68 and the second cleaning roller rotation axis 70 are parallel to each other.
  • the two cleaning rollers 64, 66 rotate in opposite directions in cleaning operation.
  • the first cleaning roller rotation axis 68 and the second cleaning roller rotation axis 70 are at least approximately parallel to this flat surface to be cleaned.
  • the carrier 56 has an envelope plane 72 with respect to its underside (FIG. 3).
  • the envelope plane 72 is parallel to the plane of the drawing.
  • the first cleaning roller 64 and the second cleaning roller 66 are designed in particular as scrubbing rollers and are in particular provided with a plurality of bristle bundles for scrubbing cleaning (scrubbing cleaning).
  • the cleaning head 40 has an extension in a height direction 74 (FIG. 3) perpendicular to the envelope plane 72.
  • the first motor unit 58 has a first drive motor 76.
  • This first drive motor 76 is in particular an electric motor.
  • the second motor unit 60 has a second drive motor 78.
  • the drive motors 76, 78 are positioned relative to the height direction 74 above the cleaning rollers 64, 66.
  • a motor housing 80 is arranged, in which the first drive motor 76 and the second drive motor 78 are arranged protected.
  • the motor housing 80 is made of aluminum in one embodiment.
  • a fixing element 84 is arranged centrally on the motor housing 80, via which the cleaning head 40 is connected to the main body 12.
  • the motor housing 80 has at least approximately the shape of a prism with a trapezoid 86 as the base area. In one embodiment, this trapezoid 86 is isosceles.
  • the motor housing 80 is symmetrical, in particular with respect to the mirror plane 62.
  • the motor housing 80 has a first sidewall 88 to the left and to the right, respectively.
  • the first sidewall 88 covers for the first motor unit 58 the first drive motor 76 towards the right side (towards the right boundary plane 48).
  • the first sidewall 88 has the trapezoidal shape 86.
  • the second drive motor 78 is associated with a sidewall formed in the same way as the first side wall for housing with respect to the left boundary plane 46.
  • the first motor unit 58 comprises a second side wall 90 (FIGS. 6 to 9).
  • the second side wall 90 is spaced apart in the transverse direction 82 from the first side wall 88 of the motor housing 80 and, for example, spaced parallel.
  • a cover wall 92 Connected to the second side wall 90 is a cover wall 92, which is oriented transversely and in particular perpendicular to the second side wall 90.
  • a flange 94 On the cover wall 92 sits transversely to this and in particular perpendicularly oriented a flange 94. On the flange 94, which is oriented in particular perpendicular to the transverse direction 82, the first drive motor 76 is fixed.
  • the first drive motor 76 has a drive shaft 96 with a drive shaft rotation axis 98.
  • the drive shaft rotation axis 98 is parallel to the first cleaning roller rotation axis 68 and in the height direction 74 is spaced therefrom.
  • the drive shaft 96 has a first front end 100. This first front end 100 is located on a first coupling region 102 of the drive shaft 96.
  • a belt wheel 106 is arranged, on which a first belt 108 (transmission belt) of the transmission device 104 engages.
  • an opening 110 is formed, through which the first belt 108 is performed in the height direction 74 down.
  • a housing 112 is positioned (cf., for example, Fig. 6), which laterally surrounds the pulley 106 with the first belt 108.
  • the housing 112 is closed perpendicular to the drive shaft axis of rotation 98 via the motor housing 80 and thereby the first side wall 88.
  • a cleaning roller shaft 114 Disposed on the second side wall 90 of the first motor unit 58 at a distance from the drive shaft 96 is a cleaning roller shaft 114, which is rotatable about the first cleaning roller rotation axis 68.
  • the first cleaning roller shaft 114 is rotatably supported on the second side wall 90.
  • the second front end 116 has a second front end 116, which abuts against the transmission device 104 at a second coupling region 118.
  • the second front end 116 is in the transverse direction 82 (in the direction parallel to the drive roller rotation axis 98 or the first cleaning roller rotation axis 68) spaced apart from the first front end 100 of the drive shaft 96.
  • the transmission device 104 further has an intermediate shaft 124, which is rotatable about an intermediate shaft rotation axis 126.
  • the intermediate wave The rotation axis 126 is parallel to the drive shaft rotation axis 98 and to the first cleaning roller rotation axis 68.
  • the intermediate shaft 126 is rotatably mounted on a pivot bearing 128.
  • the pivot bearing 128 is fixed to the second side wall 90 via a holder 130.
  • the holder 130 or the rotary bearing 128 is fixed to the cover wall 92.
  • the intermediate shaft 124 includes a first intermediate shaft coupling portion 132, on which a pulley 134 is seated. At this pulley 134 again engages the first belt 108. It is thereby the intermediate shaft 124 mediates in its rotational movement via the first belt 108 driven by the drive shaft 96.
  • the first intermediate shaft coupling region 132 is aligned with respect to the transverse direction 82 in alignment with the first coupling region 102 of the drive shaft 96.
  • the intermediate shaft 124 further includes a second intermediate shaft coupling portion 136, which is opposite to the first intermediate shaft coupling portion 132.
  • This second intermediate shaft coupling region 136 is aligned with the second coupling region 118 of the cleaning roller shaft 114 relative to the transverse direction 82.
  • a belt wheel 138 is seated on a second intermediate shaft coupling region 136.
  • the second belt 122 engages therewith.
  • the second intermediate shaft coupling portion 136 is an output portion with which the torque input to the intermediate shaft 124 via the drive shaft 96 is transmitted to the cleaning roller shaft 114.
  • the gear mechanism 104 is formed in two stages via the intermediate shaft 124.
  • the first stage includes the coupling of the drive shaft 96 via the first belt 108 to the intermediate shaft 124.
  • the second stage comprises the coupling of the intermediate shaft 124 and the second belt 122 to the cleaning roller shaft 114th
  • the torque is transmitted from the drive shaft 96 in consideration of the distance in both the height direction 74 and in the transverse direction 82. Furthermore, a distance in one direction 140 is also transmitted both transversely to the transverse direction 82 and transversely to the height direction 74.
  • the drive motor 76 has a speed of about 3,600 revolutions per minute. This speed is achieved by forming the gear mechanism 104 and in particular the pulleys 106, 120,
  • the gear mechanism 104 may be designed such that the rotational speed for the first cleaning roller 64 is adjustable.
  • the transmission device 104 includes a slidable contact wheel 142 disposed between the intermediate shaft 124 and the cleaning roller shaft 114. This is detectably displaceable in a direction 144, which is oblique to the height direction 74.
  • the second belt 122 is passed. It ensures a tensioned second belt 122, in particular in the case of a suitable position in the direction 144.
  • the first motor unit 158 has a gear housing 146 arranged on the second side wall 90. At this are the cleaning roller shaft 114, the contact wheel 142 and the intermediate shaft 124 are positioned. In particular, the second belt 122 is positioned in the transmission housing 146.
  • the second side wall 90 of the first motor unit 58 has a recess 148 through which the second cleaning roller 66 can be penetrated.
  • the first motor unit 58 and the second motor unit 60 are fixedly mounted on the carrier 56.
  • a fixing device 150 is provided, via which the second cleaning roller 66 can be rotatably fixed to the second side wall 90 of the first motor unit 58.
  • the corresponding second cleaning roller 66 is rotatably mounted on the front side of a wall 152.
  • This wall 152 can be connected via the fixing device 150 to the carrier 56 and in particular to the second side wall 90.
  • the corresponding second cleaning roller 66 can then be removed as a whole from the cleaning head 40.
  • the corresponding cleaning roller 64 or 66 When inserting the corresponding cleaning roller 64 or 66, it is inserted from the other side through the corresponding recess 148 and thereby placed on the associated cleaning roller shaft 114 to a rotationally fixed coupling.
  • the first cleaning roller 64 is placed on the cleaning roller shaft 114.
  • the cleaning head 40 includes a first cleaning unit 154 having the first motor unit 58 and the first cleaning roller 64. It further comprises a second cleaning unit 56 with the second motor unit 60 and the second cleaning roller 70.
  • a geometric step area 158 is assigned to each of the first motor unit 58 and the second motor unit 60.
  • the step area 158 has a first area 160 and a second area 162.
  • the first area 160 is bounded by the first side wall 88.
  • the second region 162 is bounded by the second side wall 90.
  • the cleaning head has a greater height in the height direction 74 than at the second region 162.
  • the second region 162 extends along the lid wall 92 from the second sidewall 90 to the first sidewall 88.
  • the first drive motor 76 and also the first front end 100 of the drive shaft 96 are set back relative to the second side wall 90 in order to form precisely this geometric step region 158.
  • the geometric step portion 158 has a depth extent in the transverse direction 82 having a depth T (FIG. 2).
  • the reduced height H (including the portion of the cleaning roller 64, 66 projecting beyond the envelope plane 72) at the first region 160 of the geometric step region 158 as far as the motor housing 80 forms a lower ride height of the cleaning head 40.
  • This under ride height has a depth extension with the depth T. Due to the geometric step area 158 obstacles can be driven under.
  • the under ride height H is at most 25 cm, and in particular at most 20 cm, and preferably at most 18 cm.
  • the under ride height H is 17 cm.
  • the sub-depth T (in the transverse direction 82 parallel to the direction of the drive shaft axis of rotation 98) is at least 5 cm and in particular at least 7 cm and in particular at least 9 cm. In one embodiment, the sub-depth T is 10 cm.
  • a clearance 164 is formed on the cleaning head 40 between the cover wall 92 and the first side wall 98 of the motor housing 80, which is open to the outside laterally and upwardly. It is bounded below by the top wall 92 and bounded by the first side wall 88. It is open on both sides on the front side. This clearance 164 allows obstacles to be under- worked, as mentioned above.
  • the torque of the drive shaft 96 is initially transmitted downward in relation to the height direction 74, and then transmitted in the first region 160 in the transverse direction 92 to the second intermediate shaft coupling region 136. From there, the torque is further transmitted down to the cleaning roller shaft 114 with respect to the height direction 74.
  • a spray device 168 for cleaning fluid is positioned on the cleaning head by, in particular, a cleaning surface to be cleaned before contact with the cleaning rollers 64, 66 is acted upon with cleaning liquid.
  • the spray device 168 comprises a plurality of nozzles 170, wherein it is provided in particular that a nozzle 170 is designed as a flat-jet nozzle.
  • the motor housing 68 which houses the drive motors 76 and 78, is positioned in particular on an upper side 172 of the cleaning head 40.
  • the first motor unit 176 includes a first drive motor 180.
  • the second motor unit 178 includes a second drive motor 182.
  • a first drive shaft rotation axis 184 of the first drive motor 180 is offset from a second drive shaft rotation axis 186 of the second drive motor 182. This results in a different use of space than in the cleaning head 40.
  • the two motor units 176, 178 comprise transmission devices which are fundamentally identical in design to the transmission device 104.
  • the cleaning head 174 includes respective step portions 188 for wheelchair accessibility.
  • the cleaning rollers 64, 66 are detachably arranged on the cleaning head 40, wherein the first cleaning roller 64 and the second cleaning roller can be removed or inserted on opposite sides of the cleaning head 40 (see FIG.
  • the recess 148 on the respective side wall 90 forms an immersion opening for the corresponding cleaning roller.
  • the side wall 90 of the first motor unit 58 has the recess 148 for inserting the second cleaning roller 66.
  • the laterally opposite side wall (designated by 90 'in FIG. 12) has a corresponding recess 148' for inserting the first cleaning roller 64 (see FIG. 5).
  • the respective cleaning rollers 64, 66 comprise a carrier 202 (see FIG.
  • the carrier 202 has a central recess 206, via which it can be placed on the associated cleaning roller shaft 114.
  • the cleaning roller shaft 114 for this purpose comprises a region 208, which is designed so that a rotationally fixed fixation is possible.
  • the region 208 is, for example, star-shaped.
  • the recess 206 is provided with a bevel 210 ( Figure 14) to facilitate placement on the cleaning roller shaft 114.
  • a pin 212 which has a smaller diameter than the area 208.
  • This pin 212 is disposed coaxially with the corresponding cleaning roller rotation axis 68 and 70, respectively. It has a length in the transverse direction 82 which is in particular at least 30%, preferably at least 50% and particularly preferably at least 70% of a corresponding length of a receiving space 214 for the cleaning roller 64 or 66 on the carrier 56.
  • the pin 212 extends from the portion 208 of the cleaning roller shaft 114 to the opposite recess 148 and 148 ', respectively.
  • a further recess 216 is formed, which is a continuation of the recess 206 in the longitudinal direction of the corresponding cleaning roller 64, 66 and serves to receive the pin 212.
  • a penetration element 218 (see FIG. 14), which has an opening 220 adapted to a pin diameter of the pin 212, is arranged in this recess 216.
  • the opening 220 is associated with an extended region 222, which is funnel-shaped, in order to facilitate immersion of the pin 212 into the opening 220.
  • an extended region 222 which is funnel-shaped, in order to facilitate immersion of the pin 212 into the opening 220.
  • the corresponding cleaning roller 64 or 66 When inserting the corresponding cleaning roller 64 or 66, it is placed over the recess 206 on the pin 212 and moved in the corresponding receiving space 214.
  • the pin 212 facilitates the centering of the corresponding cleaning roller 64, 66. It thereby facilitates the placement of the recess 206 of the corresponding cleaning roller 64, 66, on the area 208 of the cleaning roller shaft 114. Since the cleaning roller shaft 114 is located at an opposite side to an insertion side when inserted, an operator can not usually see the area 208.
  • the wall 152 may already be connected to the corresponding cleaning roller 64 or 66.
  • the wall 152 comprises a bearing 224 for the corresponding cleaning roller 64 or 66.
  • the bearing 224 has in particular a pin 226 (FIG. 14), which is provided for immersion in the recess 216 of the carrier 202 of the corresponding cleaning roller 64, 66 and a centering in particular in connection with a disc 228 of the bearing 224 allows.
  • the bearing 224 is a plain bearing in one embodiment.
  • bearing 224 is formed so that in particular the disc 228 with the pin 226 is rotatable with respect to the wall 152.
  • a handle 230 is arranged on the wall 152. If necessary, the wall 152 can be detached from the second side wall 90 by means of the handle 230 with the cleaning roller 64 or 66 fixed thereto. When the corresponding cleaning roller 64, 66 is fixed to the bearing 224, it is possible to pull the corresponding cleaning roller 64, 66 out of the associated receiving space 214.
  • the handle 230 allows a simple attack for an operator.
  • a recessed grip 232 is arranged on the cover wall 92, so that an operator can grasp the handle 230 in a simple manner (in particular with one hand).
  • the corresponding cleaning roller 64, 66 is fixed to the wall 152, the corresponding cleaning roller 64, 66 is inserted through the associated recess 148, 148 'in the respective receiving space 214 and the wall 152 to the second side wall 90th pressed until about the fixing device 150 a fixation is achieved in particular by snapping.
  • a deflector 23 for example in the form of a rubber lip, is arranged on the wall 142 outwards, which ensures that excess cleaning fluid is conducted onto the surface to be cleaned in such a way that it can be received via the suction bar 26.
  • the cleaning machine 10 works as follows:
  • the cleaning machine 10 moves on the surface to be cleaned, in particular self-propelled (driven by a traction drive motor).
  • the cleaning head 40 acts on the surface to be cleaned with the cleaning rollers 64, 66. These are rotationally driven via the respective drive motors 76, 78 and act mechanically on the surface to be cleaned.
  • the gear mechanism 104 transmits the torque via its two-stage design to the respective cleaning roller 64 and 66.
  • a step region 158 projects beyond the right boundary plane 48 or left boundary plane 46.
  • the cleaning head 40 further includes a step portion 190 for front under-rideability between the motor housing 80 and the front end 42.
  • the lateral geometric step areas 158 on the left or right pass into the front step area 190 or a lower ride height (in the height direction 74) on the step area 190 is at least near Approximately the same as the lower ride height H at the lateral geometric step portions 158th
  • a gear stage in the multistage gear device 104 follows a geometric step on the cleaning head 40 or 174. At least at the first region 160 of the step region 158 or 188, a geometric height of the cleaning head 40 or 174 can be kept low and it results in a better Unterfahriki for the cleaning head 40 and 174th
  • the cleaning head 40 or 174 is designed in particular as a brush head with a brush roller as a cleaning roller 64 or 66.
  • the enclosed space on the cleaning head 40 or 174 is between the first side wall 88 and the second side wall
  • a step area 158 is a side step area. Such a step area can be present on the cleaning head 40 or 174 both on the left and on the right or only on the left or only on the right. In particular, the corresponding step area 158 protrudes laterally and / or forward beyond the base body 12, so that the base body 12 does not hinder the ability to drive underneath on the corresponding step area 158 or 188. LIST OF REFERENCE NUMBERS
  • first drive motor second drive motor first drive shaft rotation axis second drive shaft rotation axis

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne une machine de nettoyage pourvue d'une tête de nettoyage (40) au niveau de laquelle est agencé au moins une unité de nettoyage, l'unité ou les unités (154, 156) de nettoyage comprenant : - un moteur (76) d'entraînement pourvu d'un arbre d'entraînement (96), lequel peut tourner autour d'un axe de rotation (98) d'arbre d'entraînement ; - un arbre (68) de rouleau de nettoyage ; - un rouleau (64) de nettoyage, lequel est agencé au niveau de l'arbre (118) de rouleau de nettoyage, et - un équipement de transmission (104), lequel est couplé sous l'action du couple à l'arbre d'entraînement (96) et à l'arbre (114) de rouleau de nettoyage, l'arbre d'entraînement (96) comportant une première zone d'accouplement (102) pour l'équipement de transmission (104) pourvue d'une première extrémité avant (100) et l'arbre (68) de rouleau de nettoyage comportant une deuxième zone d'accouplement (118) pour l'équipement de transmission (104) pourvue d'une deuxième extrémité avant (116), et la première extrémité avant (100) de l'arbre d'entraînement (96) étant espacée par rapport à la deuxième extrémité avant (116) de l'arbre (114) de rouleau de nettoyage dans une direction (82) parallèle à l'axe de rotation (98) d'arbre d'entraînement, une zone étagée (158) géométrique pourvue d'une première zone (160) et d'une deuxième zone (162) étant construite au niveau de la tête de nettoyage (40), la deuxième zone (162) présentant une hauteur inférieure dans une direction de la hauteur (74) transversalement à l'axe de rotation (98) d'arbre d'entraînement à celle de la première zone (160), et la première zone d'accouplement (102) se trouvant au niveau de la première zone (160) et la deuxième zone d'accouplement (118) se trouvant au niveau de la deuxième zone (162), et l'équipement de transmission (104) étant réalisé sur plusieurs étages et enjambant une distance entre la première zone d'accouplement (102) et la deuxième zone d'accouplement (118) dans la direction (82) parallèle à l'axe de rotation (98) d'arbre d'entraînement.
EP18719541.7A 2018-04-20 2018-04-20 Machine de nettoyage pourvue d'une tête de nettoyage pourvue d'un équipement de transmission Active EP3781010B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/060211 WO2019201450A1 (fr) 2018-04-20 2018-04-20 Machine de nettoyage pourvue d'une tête de nettoyage pourvue d'un équipement de transmission

Publications (2)

Publication Number Publication Date
EP3781010A1 true EP3781010A1 (fr) 2021-02-24
EP3781010B1 EP3781010B1 (fr) 2022-05-18

Family

ID=62044724

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Application Number Title Priority Date Filing Date
EP18719541.7A Active EP3781010B1 (fr) 2018-04-20 2018-04-20 Machine de nettoyage pourvue d'une tête de nettoyage pourvue d'un équipement de transmission

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Country Link
EP (1) EP3781010B1 (fr)
CN (1) CN111989021B (fr)
WO (1) WO2019201450A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7633872B2 (ja) 2021-04-16 2025-02-20 日本信号株式会社 清掃装置
CN116407024A (zh) * 2023-02-13 2023-07-11 九阳股份有限公司 一种运行稳定的表面清洁装置
DE102024109746A1 (de) * 2024-04-08 2025-10-09 Alfred Kärcher SE & Co. KG Flächenreinigungsgerät mit Seitenreinigungswerkzeug und Verfahren zum Betreiben eines Flächenreinigungsgeräts

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK172087A (da) * 1987-04-03 1988-10-04 Rotowash Scandinavia Apparat til vaadrensning af gulv- eller vaegflader
DE60011805T2 (de) 1999-12-10 2005-07-07 Tecnica International S.R.L. Reinigungsvorrichtung mit auswechselbarer bürste
US6772475B2 (en) * 2001-02-06 2004-08-10 The Hoover Company Suction nozzle configuration
GB2389778B (en) * 2001-04-06 2004-12-08 Matsushita Electric Corp Agitator drive system with bare floor shifter
DE102007037052A1 (de) * 2007-07-24 2009-02-05 Alfred Kärcher Gmbh & Co. Kg Reinigungsvorrichtung für eine Bodenreinigungsmaschine sowie Bodenreinigungsmaschine mit einer derartigen Reinigungsvorrichtung
DE102010038422A1 (de) * 2010-07-26 2012-01-26 Alfred Kärcher Gmbh & Co. Kg Bodenreinigungsgerät
WO2012130293A1 (fr) * 2011-03-29 2012-10-04 Alfred Kärcher Gmbh & Co. Kg Machine mobile de nettoyage des sols à porte-accessoire
RU2595984C2 (ru) * 2011-11-02 2016-08-27 Альфред Кэрхер Гмбх Унд Ко. Кг Полоуборочная машина с ручным управлением
DE102012207358A1 (de) 2012-05-03 2013-11-07 BSH Bosch und Siemens Hausgeräte GmbH Düse für ein Bodenreinigungsgerät

Also Published As

Publication number Publication date
CN111989021A (zh) 2020-11-24
WO2019201450A1 (fr) 2019-10-24
EP3781010B1 (fr) 2022-05-18
CN111989021B (zh) 2022-02-11

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