EP3106567A1 - Machine de nettoyage du sol dotee d'un dispositif d'absorption de liquide - Google Patents

Machine de nettoyage du sol dotee d'un dispositif d'absorption de liquide Download PDF

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Publication number
EP3106567A1
EP3106567A1 EP15172765.8A EP15172765A EP3106567A1 EP 3106567 A1 EP3106567 A1 EP 3106567A1 EP 15172765 A EP15172765 A EP 15172765A EP 3106567 A1 EP3106567 A1 EP 3106567A1
Authority
EP
European Patent Office
Prior art keywords
pivot axis
arm
cleaning
vertical pivot
floor
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
EP15172765.8A
Other languages
German (de)
English (en)
Other versions
EP3106567B1 (fr
Inventor
Christian Tabeling
Carsten Grebien
Finn Steffens
Ricardo Ruiz-Porath
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.)
Hako GmbH
Original Assignee
Hako GmbH
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 Hako GmbH filed Critical Hako GmbH
Priority to EP15172765.8A priority Critical patent/EP3106567B1/fr
Publication of EP3106567A1 publication Critical patent/EP3106567A1/fr
Application granted granted Critical
Publication of EP3106567B1 publication Critical patent/EP3106567B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
    • E01H1/103—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction
    • 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
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees

Definitions

  • the present invention relates to a floor cleaning machine having a vehicle frame to which a landing gear for moving the floor cleaning machine in a cleaning traveling direction via a floor to be cleaned surface is provided with a cleaning device attached to the vehicle frame, which can engage the floor surface to be cleaned to clean it; and with which a cleaning liquid can be applied to the floor surface to be cleaned, with a liquid receiving means for stripping and receiving the applied to the bottom surface to be cleaned cleaning liquid, which is arranged opposite to the cleaning direction behind the cleaning device, wherein the liquid receiving means at least one transverse to the cleaning direction Having extending sealing lip which is mounted on a drawbar and which is arranged so that it can rest with an edge on the floor surface to be cleaned, u nd wherein the drawbar is mounted transversely to the cleaning direction of travel movable on the vehicle frame.
  • Such a floor cleaning machine is known. It is applied with the help of a mounted between the front and the rear axle of the chassis of the floor cleaning machine scrubbing cleaning liquid on the floor surface to be cleaned and at the same time cleaned with the help of provided on the scrubbing brush heads the bottom surface.
  • the applied cleaning liquid initially remains on the bottom surface and is sucked from the opposite of the cleaning direction seen behind the scrubbing deck and in particular arranged behind the rear squeegee, wherein the squeegee has a front and a rear sealing lip, between which a gap is formed.
  • This Gap is connected to a provided in the floor cleaning machine wastewater tank, and in the dirty water tank, a negative pressure can be generated by means of a blower, so that liquid can be sucked from the intermediate space in the dirty water tank.
  • a scrub deck has a certain working width, over which cleaning fluid is applied to the floor surface to be cleaned. This cleaning fluid must be sucked off again across the entire width. Therefore, when the floor cleaning machine makes a turn, it is necessary for the squeegee to move transversely of the landing gear to ensure that the squeegee covers the area covered by the scrub deck as much as possible.
  • the drawbar is pivotally connected to a holding element about a first vertical pivot axis which extends vertically to the floor surface to be cleaned, that the holding element from a normal position horizontally, transversely to the direction of cleaning movement is displaceable, wherein the holding element is biased by biasing means in the normal position that a vehicle frame mounted on the support member is provided, that a first arm is provided which has a first and a second end that the first end of the first arm to a second vertical pivot axis is pivotably coupled to the support member such that the second end of the first arm is pivotally hinged to the support member about a third vertical pivot axis such that the second and third vertical pivot axes are parallel to each other and the first vertical pivot axis is parallel to the direction of travel Seen between the second and the third vertical pivot axis is arranged.
  • vertical axis in the sense of the present invention is understood to mean a unidirectional axis extending from the floor surface to be cleaned upwards, at an angle close to 90 °, but not necessarily perpendicular to the floor surface extends.
  • the first pivot axis between the second and the third pivot axis is mounted, so that the entire holder for the liquid receiving device and the squeegee despite a distance of the pivot point of the drawbar from the sealing lip has a small length.
  • first vertical pivot axis is spaced from the sealing lip, i. seen against the cleaning direction seen the first vertical pivot axis is arranged in front of the sealing lip. This ensures that the squeegee assumes a stable pivoting position and does not oscillate back and forth about the first vertical pivot axis.
  • a second arm having first and second ends, wherein the first end of the second arm is pivotally hinged to the support member about a fourth vertical pivot axis, the second end of the second arm being about a fifth vertical pivot axis is pivotally hinged to the support member, wherein the second, the third, the fourth and the fifth vertical pivot axis parallel to each other and wherein the second and the fourth vertical pivot axis transverse to the cleaning direction of travel have a first distance and the third and the fifth vertical pivot axis transverse to the cleaning direction of travel have a second distance.
  • the holding element on which the drawbar is pivotably articulated about the first vertical pivot axis, supported by a stable trapezoidal arrangement displaceable transversely to the cleaning direction on the vehicle frame. It is particularly preferred if the distance of the first ends of the arms, which are attached to the vehicle frame, is smaller than the distance of the second ends, which are pivotally articulated on the holding element.
  • a first and a second biasing arm are provided having a first end and a second end, wherein the first ends pivotally mounted about the vertical axis of the support member, wherein the first biasing arm rests on the side remote from the second arm side of the first arm, wherein the second biasing arm rests on the side facing away from the first arm side of the second arm and wherein the first and the second Biasing arm are biased towards each other and rest in the normal position on the support element, directly or indirectly.
  • the biasing arms are always deflected against the biasing force when the trapezoidal assembly is pivoted out of the arms transversely to the cleaning direction.
  • the direct or indirect investment defines the Preload arms on the support element the normal position.
  • first biasing arm and the first arm about a common axis namely the second vertical pivot axis
  • second biasing arm and the second arm also about a common axis, namely the fourth vertical pivot axis, attached to the support element. This further simplifies the construction and avoids friction between the biasing arms and the arms during a pivotal movement.
  • first and second horizontal pivot axes are parallel to each other.
  • first horizontal pivot axis intersects the second and fourth vertical pivot axis and the second horizontal pivot axis intersects the third and fifth vertical pivot axis
  • a connecting arm is provided having first and second ends spaced apart from each other by the distance between the first and second horizontal pivot axes, the first end of the connecting arm being pivotally displaceable vertically to the first horizontal axis pivotally on the vehicle frame is hinged, wherein the second end of the connecting arm is pivotally displaced vertically offset from the second horizontal axis on the holding element and wherein the distance of the first end of the connecting arm from the first horizontal pivot axis is equal to the distance of the second end of the connecting arm from the second horizontal pivot axis ,
  • the connecting arm on the one hand and the two arms on the other hand form a vertical parallelogram arrangement, which ensures that the holding element, on which the drawbar is provided, maintains its orientation relative to the vehicle frame, regardless of the vertical position of the holding member.
  • the liquid intake device or the squeegee may preferably have a first and a second sealing lip, which are arranged one behind the other in the cleaning direction, so that a gap is formed between the sealing lips, wherein the gap is connected to a provided on the floor cleaning machine recovery tank and wherein the dirty water tank connected to a vacuum source.
  • the exemplary embodiment of a floor cleaning machine 1 has a vehicle frame 3 on which a chassis comprising a front wheel 5 and two rear wheels 7 is mounted, which serves to move the floor cleaning machine 1 along a cleaning travel direction 9 over a floor surface 11 to be cleaned ,
  • the cleaning direction 9 extends from the rear wheels 7 connecting the rear axle to the front wheel 5 and is perpendicular to the rear axle.
  • a cleaning device in the form of a scrub deck 13 is mounted vertically adjustable, which has rotationally driven brush heads 15 which can engage with the bottom surface 11 to be cleaned in order to remove dirt therefrom.
  • These may be, for example, plate brush heads or roller brush heads.
  • the scrub deck 13 is connected via a connecting line 17 to a cleaning liquid tank provided on the vehicle frame 3 so that cleaning liquid can be applied to the floor surface 11 to be cleaned in the scrub deck 13.
  • a liquid receiving device in the form of a suction cup 19 is provided, which is also supported on the vehicle frame 3, to a hereinafter described in more detail holder 21 is used.
  • the squeegee 19 has opposite to the cleaning direction 9 seen in succession a first sealing lip 23 and a second sealing lip 25, wherein the second sealing lip 25 has a pointing to the bottom surface 11 to be cleaned edge, which may rest against the bottom surface 11 when the squeegee 19 out is lowered to the bottom surface 11.
  • the sealing lips 23, 25 are arranged on a base body 27 of the squeegee so that they extend substantially transversely or vertically to the plane defined by the bottom surface 11 and form a gap 29 between them.
  • a suction line 31 extends through, which is connected to the intermediate space 29 and connects it with a provided in the floor cleaning machine 1 waste water tank 33, wherein the waste water tank 33 is in turn connected to a vacuum source in the form of a blower 35, so that means the blower 35 dirty water from the intermediate space 29 between the sealing lips 23, 25 can be sucked.
  • the bracket 21 is in detail in the FIGS. 2 and 3 shown and has a fixedly mounted on the vehicle frame 3 holder 37 to which a support member 41 is pivotally mounted about a first horizontal pivot axis 39. Furthermore, the holder 21 has a first arm 43 which has a first end 45 and a second end 47. In addition, a second arm 49 is provided which also has a first end 51 and a second end 53.
  • a holding member 55 is mounted in still described in detail manner, on which in turn pivotally about a first vertical pivot axis 57, a drawbar 59 is attached, at its remote from the first vertical pivot axis 57 end the base body 27 of the suction cup 19 is fixedly mounted.
  • the first vertical pivot axis 57 is arranged so that it is spaced toward the scrub deck 13 from the sealing lips 23, 25 and the base body 27.
  • the first end 45 of the first arm 43 is pivotally connected to the support member 41 about a second vertical pivot axis 61.
  • the second end 47 of the first arm 43 is pivotable about a third vertical pivot axis 63 with the retaining element 55 connected.
  • the first end 51 of the second arm 49 is pivotally coupled to the support member 41 about a fourth vertical pivot axis 65, while the second end 53 of the second arm 49 is also pivotally connected to the support member 55 about a fifth vertical pivot axis 67.
  • the arms 43, 49 can pivot relative to the support member 41 in a common horizontal plane as the second and fourth vertical pivot axes 61, 65 are parallel to one another.
  • vertical pivot axis in the context of the present invention, an axis to be understood, which extends away from the bottom surface 11 upwards, but not necessarily perpendicular to the bottom surface 11 and by the wheels 5, 7 defined Level of the landing gear must run, but can only run almost perpendicular to it.
  • the third and the fifth vertical pivot axis 63, 67 also run parallel to one another and also parallel to the second and the fourth vertical pivot axis 61, 65.
  • the arms 43, 49 together with the support element 41 on the one hand and the retaining element 55 on the other hand form a trapezoidal arrangement, wherein the distance of the second and the fourth vertical pivot axis 61, 65 from each other is smaller than the distance that has the third vertical pivot axis 63 of the fifth vertical pivot axis 67.
  • first biasing arm 69 At the side remote from the second arm 49 side of the first arm 43 is located on a first biasing arm 69, whose one end 71 is also pivotable about the second vertical pivot axis 61.
  • second pretensioning arm 73 pivotable with one end 75 about the fourth vertical pivot axis 65.
  • the ends of the biasing arms 69, 73 remote from the pivot axis 61, 65 are connected to one another via a helical spring 77, so that the biasing arms 69, 73 are biased toward one another.
  • the biasing arms 69, 73 are in the in Fig. 3 shown normal position directly on the support member 41 at.
  • the biasing arms 69, 73 rest in the normal position on the arms 43, 49 indirectly to the support member 41.
  • the arms 43, 49 are in any case between the support member 41 and the biasing arms 69, 73 and are pressed by the biasing arms 69, 73 in the normal position in which they rest on the support member 41.
  • the second ends 47, 53 of the arms 43, 49 are pivotally connected to the holding member 55 about a second horizontal pivot axis 79. Furthermore, it is off Fig. 2 to recognize that the first horizontal pivot axis 39, the second and the fourth vertical pivot axis 61, 65 intersects, while the second horizontal pivot axis 79, the third and the fifth vertical pivot axis 63, 67 intersects.
  • the bracket 21 also has a connecting arm 81, the first end 83 is vertically offset from the first horizontal pivot axis 39 in the plane of the second and fourth vertical pivot axis 61, 65 pivotally connected to the vehicle frame 3 and in this case the holder 37 is connected while the second end 85 of the connecting arm 81 pivotally vertically offset from the second horizontal pivot axis 79 in the plane of the third and fifth vertical pivot axis 63, 67 is connected to the holding member 55.
  • the connecting arm 81 on the one hand and the arms 43, 49 on the other hand form a parallelogram arrangement, which ensures that the holding member 55, regardless of the angular position of the arms 43, 49 relative to the vehicle frame 3 always has the same horizontal orientation to the vehicle frame 3.
  • the floor cleaning machine 1 During operation of the floor cleaning machine 1, it moves along the cleaning travel direction 9 over the floor surface 11 to be cleaned, wherein the sealing lip 25 of the suction foot 19 rests on the floor surface 11 to be cleaned and wipes off water, so that this from the intermediate space 29 through the suction line 31 in the Dirty water tank 33 can be sucked.
  • the squeegee 19 can perform a pivoting movement about the first vertical pivot axis 57, wherein the fact that the first vertical pivot axis 57 has only a small distance in the direction of the cleaning direction 9 from the squeegee 19 itself, that of the Momentalpol the cornering removed end of the squeegee 19 has a large radial distance from this instantaneous pole.
  • This in turn means that the coverage that the squeegee 19 has with the area that has been subjected to water by the scrub deck 13 is very large. This makes it possible, in particular, to dispense with side scrapers on the scrub deck 13.
  • the combination of the squeegee 19, which is articulated pivotably about a pivot axis 57, which is seen against the cleaning direction 9 in front of the squeegee 19, with a lateral or transverse to the cleaning direction 9 extending displaceability of the support member 55 allows for the drawbar 59 that a large overlap is achieved between the area covered by the squeegee 19 and the area acted upon by the scrub deck 13, without restricting the maneuverability of the floor cleaning machine 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP15172765.8A 2015-06-18 2015-06-18 Machine de nettoyage du sol dotée d'un dispositif d'absorption de liquide Active EP3106567B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15172765.8A EP3106567B1 (fr) 2015-06-18 2015-06-18 Machine de nettoyage du sol dotée d'un dispositif d'absorption de liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15172765.8A EP3106567B1 (fr) 2015-06-18 2015-06-18 Machine de nettoyage du sol dotée d'un dispositif d'absorption de liquide

Publications (2)

Publication Number Publication Date
EP3106567A1 true EP3106567A1 (fr) 2016-12-21
EP3106567B1 EP3106567B1 (fr) 2018-02-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106943089A (zh) * 2017-04-27 2017-07-14 扬州金威环保科技有限公司 一种活动式刮吸装置
CN108612021A (zh) * 2018-04-11 2018-10-02 合肥博源网络科技有限公司 一种道路路面清洁装置
DE102017110775A1 (de) * 2017-05-17 2018-11-22 Hako Gmbh Saugfußanordnung für eine Bodenreinigungsmaschine
DE102017110777A1 (de) * 2017-05-17 2018-11-22 Hako Gmbh Saugfußanordnung für eine Bodenreinigungsmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10305611A1 (de) 2003-02-11 2004-08-26 Hako-Werke Gmbh Bodenreinigungsmaschine
WO2009127836A1 (fr) * 2008-04-18 2009-10-22 Numatic International Limited Machine de traitement des sols
DE202013103571U1 (de) * 2013-08-08 2013-09-05 G. Staehle Gmbh U. Co. Kg Boden-Reinigungsmaschine
WO2014206486A1 (fr) * 2013-06-28 2014-12-31 Alfred Kärcher Gmbh & Co. Kg Machine de nettoyage de sol autoportée mobile et procédé de positionnement d'une rampe aspirante d'une machine de nettoyage de sol autoportée mobile
DE102013113794A1 (de) * 2013-12-10 2015-06-11 Alfred Kärcher Gmbh & Co. Kg Bodenreinigungsmaschine und Verfahren zum Betreiben einer Bodenreinigungsmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10305611A1 (de) 2003-02-11 2004-08-26 Hako-Werke Gmbh Bodenreinigungsmaschine
WO2009127836A1 (fr) * 2008-04-18 2009-10-22 Numatic International Limited Machine de traitement des sols
WO2014206486A1 (fr) * 2013-06-28 2014-12-31 Alfred Kärcher Gmbh & Co. Kg Machine de nettoyage de sol autoportée mobile et procédé de positionnement d'une rampe aspirante d'une machine de nettoyage de sol autoportée mobile
DE202013103571U1 (de) * 2013-08-08 2013-09-05 G. Staehle Gmbh U. Co. Kg Boden-Reinigungsmaschine
DE102013113794A1 (de) * 2013-12-10 2015-06-11 Alfred Kärcher Gmbh & Co. Kg Bodenreinigungsmaschine und Verfahren zum Betreiben einer Bodenreinigungsmaschine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106943089A (zh) * 2017-04-27 2017-07-14 扬州金威环保科技有限公司 一种活动式刮吸装置
DE102017110775A1 (de) * 2017-05-17 2018-11-22 Hako Gmbh Saugfußanordnung für eine Bodenreinigungsmaschine
DE102017110777A1 (de) * 2017-05-17 2018-11-22 Hako Gmbh Saugfußanordnung für eine Bodenreinigungsmaschine
KR20180126405A (ko) * 2017-05-17 2018-11-27 하코 게엠베하 바닥 청소기용 스퀴지 시스템
EP3403562A3 (fr) * 2017-05-17 2018-12-05 Hako GmbH Dispositif de ventouse pour une machine de nettoyage de sol
CN108937758A (zh) * 2017-05-17 2018-12-07 哈高有限责任公司 用于洁地机的吸扒装置
EP3412194A1 (fr) * 2017-05-17 2018-12-12 Hako GmbH Dispositif ventouse pour une machine de nettoyage du sol
CN108937758B (zh) * 2017-05-17 2020-10-27 哈高有限责任公司 用于洁地机的吸扒装置
KR102304384B1 (ko) 2017-05-17 2021-09-17 하코 게엠베하 바닥 청소기용 스퀴지 시스템
CN108612021A (zh) * 2018-04-11 2018-10-02 合肥博源网络科技有限公司 一种道路路面清洁装置

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