EP2871284A2 - Floor cleaning machine with transport lock for side brush - Google Patents

Floor cleaning machine with transport lock for side brush Download PDF

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Publication number
EP2871284A2
EP2871284A2 EP20140187474 EP14187474A EP2871284A2 EP 2871284 A2 EP2871284 A2 EP 2871284A2 EP 20140187474 EP20140187474 EP 20140187474 EP 14187474 A EP14187474 A EP 14187474A EP 2871284 A2 EP2871284 A2 EP 2871284A2
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EP
European Patent Office
Prior art keywords
arm
holder
cleaning machine
floor cleaning
engagement means
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
EP20140187474
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German (de)
French (fr)
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EP2871284B1 (en
EP2871284A3 (en
Inventor
Carsten Protz
Heinrich Katenhusen
Anatoly Schmidt
Bertram Ulrich
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Hako GmbH
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Hako GmbH
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Publication date
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Publication of EP2871284A2 publication Critical patent/EP2871284A2/en
Publication of EP2871284A3 publication Critical patent/EP2871284A3/en
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Publication of EP2871284B1 publication Critical patent/EP2871284B1/en
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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
    • E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • E01H1/053—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having vertical axes

Definitions

  • the present invention relates to a floor cleaning machine having a chassis mounted on a vehicle frame for moving the floor cleaning machine on a surface to be cleaned and with a rotatably driven side brush, which is mounted on an arm pivotally articulated about a vertical axis on a support connected to the vehicle frame is, wherein the arm about the vertical axis in a transport position, in which it rests on the holder, is pivotable and wherein the arm relative to the holder about a horizontal pivot axis is pivotable.
  • Such floor cleaning machines are known from the prior art, wherein sideboards supported on the vehicle frame serve to convey dirt laterally adjacent to the vehicle into the area in front of a suction mouth at the front end of the vehicle.
  • the pivoting of the arms is thereby achieved that the width of the area which is detected by the side brush, can be adjusted.
  • the arms are further pivotally articulated about a substantially horizontally extending pivot axis.
  • the holder has first engagement means and the arm second engagement means and that the first and second engagement means are configured such that the first and second engagement means in a movement of the arm in the transport position in different pivotal positions of the arm with respect to the pivot axis engage such that pivotal movement of the arm about the pivot axis toward the surface is prevented.
  • the engagement means are designed such that the arranged on the arm second engagement means can come into engagement with the first engagement means at different pivotal positions of the arm about the horizontal pivot axis, the arm can be engaged independently of the bracket, in which height the arm is relative to the vehicle frame.
  • the arm does not have to be raised to the level required for engagement, but by allowing engagement with different pivot positions, no predetermined Relative position can be achieved. This eliminates the need for the operator to leave the machine and manually raise the arm to the level required for engagement.
  • one of the first and second engagement means is formed as extending in the extension direction of the arm rods which are secured at their end portions to the bracket or on the arm. Furthermore, then the others of the first and second engagement means are formed as a vertically spaced bearing surfaces. In this case, the bearing surfaces can extend horizontally in a preferred embodiment. But it is also conceivable that the support surface are slightly inclined relative to the horizontal.
  • Another advantage associated with the rods attached to the arm or bracket in their end regions is that it takes advantage of some elasticity of the rods so that the arm does not rigidly contact the bracket, but rather through the elasticity of the rods a flexible support of the arm is achieved on the holder.
  • an inclined surface may be provided between each two adjacent bearing surfaces, wherein the inclined surface extends from the other engaging end of the first of the adjacent bearing surfaces in the direction of the remote from the other engagement end of the second of the adjacent bearing surfaces. Then the arrangement of support and inclined surfaces in the form of a sawtooth arrangement.
  • the embodiment of a floor cleaning machine 1 has side brush arrangements 3 on both sides of the machine 1. Further, the floor cleaning machine 1 is provided with a wheels 5 ', 5 "having suspension, which is supported on a vehicle frame 7, wherein the front wheels 5' are steerable. On the vehicle frame 7, in turn, a holder 9 is mounted vertically adjustable, which carries the side brush assemblies 3. As a result, the side brush assemblies 3 are height-adjustably mounted on the vehicle frame 7.
  • the side brush assemblies 3 have a side brush 11 which is disposed below a substantially horizontally extending plate 13 and is rotationally driven by a hydraulic motor 15.
  • the side brush 11 as well as the plate 13 and the hydraulic motor 15 are mounted on an arm 17, which is mounted on the holder 9 so as to be pivotable about a substantially vertical pivot axis 19.
  • the arm 17 is also pivotable about a substantially horizontally extending pivot axis 21, so that the arm 17 in vertical direction can swing up and down and the side brush 11 thus unevenness of the surface to be cleaned with fixed setting of the holder 9 can follow.
  • the terms "vertical” and “horizontal” in the context of the present invention should not be interpreted in an impermissibly narrow manner.
  • the vertical axis 19 does not have to run exactly perpendicular to the surface to be cleaned during operation of the floor cleaning machine 1. It is only necessary that pivotal movement of the arm 17 about the vertical axis 19 results in movement of the side broom 11 across the surface. Similarly, during operation of the machine 1, the horizontal pivot axis 21 does not have to be exactly parallel to the surface to be cleaned. It is only necessary that a pivotal movement of the arm 17 about this pivot axis 21 results in an upward and downward movement of the side brush 11 relative to the surface.
  • the Fig. 4 and 5 show the mechanism by which the arm 17 from a transport position in which it rests directly on the holder 9 ( Fig. 4 ), can be swung out.
  • the arm 17 is pivotally mounted about the axis 19, which extends substantially vertically, on a pivot arm 23 which can also pivot about the axis 19.
  • the pivot arm 23 is provided with a stop 25 and an additional stop 27, wherein the projecting beyond the axis 19 end of the arm 17 abuts the stop 25 when the hydraulic motor 15 is turned on and the side brush 11 rotates on a surface to be cleaned.
  • This system is due to the fact that the direction of rotation of the hydraulic motor 15 is selected so that by the rotation of the side brush 11 on the surface to be cleaned, a reaction force is generated on the arm 17, through which the arm 17 is pivoted away from the holder 9 and so that on the axis 19 outstanding End of the arm 17 is brought to rest with the stopper 25.
  • the end of the arm member 23 remote from the axis 19 is connected to the adjustable end of a hydraulic cylinder 29.
  • the hydraulic cylinder 29 By adjusting the hydraulic cylinder 29 thus the arm member 23 can be pivoted, as a comparison between the Fig. 4 and 5 shows.
  • the arm 17 pivots about the axis 19 outwardly of the in Fig. 4 out transport position shown.
  • the additional stop 27 serves to release the arm 17 from a lock in the transport position when the reaction force generated by the rotation of the side brush 11 is not sufficient or the side brush 11 does not rest on the surface to be cleaned.
  • the holder 9 and the arm 17 are provided with first and second engaging means which engage in the transport position of the arm 17 in which it rests against the holder 9 with each other.
  • the first engagement means are formed as a plurality of in the embodiment described here extending in a horizontal direction bearing surfaces 31 which point away from the floor surface to be cleaned (see also Fig. 6 ). But it is also conceivable that the support surface are inclined or curved in cross-section.
  • an inclined surface 33 is in each case arranged such that it extends from the other engagement means, in this case the bars 35, facing end of the first of the adjacent bearing surfaces 31 in the direction of the remote from the other engagement end of the second adjacent bearing surface 31.
  • bracket 9 can be raised relative to the vehicle frame 7, so that the entire assembly from side brush assembly 3 and holder 9 is also raised.
  • the floor cleaning machine 1 continue in transport travel at an increased speed, since the side brushes 11 no longer rest on the surface to be cleaned. In order to achieve this, it is thus not necessary for an operator to descend from the machine, but the securing of the side brush arrangements 3 to the holder 9 or vehicle frame 7 takes place automatically independently of the pivoting position of the arms 17 relative to the pivot axis 21.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

Dargestellt und beschrieben ist eine Bodenreinigungsmaschine mit einem an einem Fahrzeugrahmen (7) angebrachten Fahrwerk zum Bewegen der Bodenreinigungsmaschine (1) über eine zu reinigende Oberfläche und mit einem rotierend angetriebenen Seitenbesen (11), der an einem Arm (17) angebracht ist, der um eine vertikale Achse (19) schwenkbar an einer mit dem Fahrzeugrahmen (7) verbundenen Halterung (9) angelenkt ist, wobei der Arm (17) um die vertikale Achse (19) in eine Transportstellung, in der er an der Halterung (9) anliegt, schwenkbar ist und wobei der Arm (17) gegenüber der Halterung (9) um eine horizontale Schwenkachse (21) schwenkbar ist. Die Aufgabe, eine Transportsicherung für Seitenbesen bereitzustellen, die es erlaubt, den den Seitenbesen halternden Arm mit der Halterung in Eingriff zu bringen, ohne dass der Bediener von der Maschine absteigen muss, wird dadurch gelöst, dass die Halterung (9) erste Eingriffsmittel und der Arm (17) zweite Eingriffsmittel aufweist und dass die ersten und zweiten Eingriffsmittel derart ausgestaltet sind, dass die ersten und zweiten Eingriffsmittel bei einer Bewegung des Arms (17) in die Transportstellung in unterschiedlichen Schwenkstellungen des Arms (17) bezüglich der Schwenkachse (21) so in Eingriff kommen, dass eine Schwenkbewegung des Arms (17) um die Schwenkachse (21) hin zu der Oberfläche verhindert wird.Shown and described is a floor cleaning machine with a mounted on a vehicle frame (7) chassis for moving the floor cleaning machine (1) on a surface to be cleaned and with a rotatably driven side brush (11) which is attached to an arm (17), the order a vertical axis (19) is pivotally connected to a holder (9) connected to the vehicle frame (7), wherein the arm (17) about the vertical axis (19) in a transport position, in which it rests against the holder (9) , Is pivotable and wherein the arm (17) relative to the holder (9) about a horizontal pivot axis (21) is pivotable. The object to provide a transport safety device for side brushes, which makes it possible to bring the side brush holder arm with the holder without the operator having to dismount from the machine, is achieved in that the holder (9) first engagement means and the Arm (17) has second engagement means and that the first and second engagement means are configured such that the first and second engagement means in a movement of the arm (17) in the transport position in different pivotal positions of the arm (17) with respect to the pivot axis (21) so are engaged, that a pivoting movement of the arm (17) about the pivot axis (21) is prevented to the surface.

Description

Die vorliegende Erfindung betrifft eine Bodenreinigungsmaschine mit einem an einem Fahrzeugrahmen angebrachten Fahrwerk zum Bewegen der Bodenreinigungsmaschine über eine zu reinigende Oberfläche und mit einem rotierend angetriebenen Seitenbesen, der an einem Arm angebracht ist, der um eine vertikale Achse schwenkbar an einer mit dem Fahrzeugrahmen verbundenen Halterung angelenkt ist, wobei der Arm um die vertikale Achse in eine Transportstellung, in der er an der Halterung anliegt, schwenkbar ist und wobei der Arm gegenüber der Halterung um eine horizontale Schwenkachse schwenkbar ist.The present invention relates to a floor cleaning machine having a chassis mounted on a vehicle frame for moving the floor cleaning machine on a surface to be cleaned and with a rotatably driven side brush, which is mounted on an arm pivotally articulated about a vertical axis on a support connected to the vehicle frame is, wherein the arm about the vertical axis in a transport position, in which it rests on the holder, is pivotable and wherein the arm relative to the holder about a horizontal pivot axis is pivotable.

Derartige Bodenreinigungsmaschinen sind aus dem Stand der Technik bekannt, wobei an dem Fahrzeugrahmen gehalterten Seitenbesen dazu dienen, seitlich neben dem Fahrzeug befindlichen Schmutz in den Bereich vor einem Saugmund am Vorderende des Fahrzeugs zu fördern. Durch die Schwenkbarkeit der Arme wird dabei erreicht, dass die Breite des Bereichs, der von den Seitenbesen erfasst wird, eingestellt werden kann. Um außerdem zu gewährleisten, dass die Seitenbesen Unebenheiten in der zu reinigenden Oberfläche folgen können und die Reinigungswirkung unabhängig von der Höhe ist, in der sich die Halterung relativ zum Fahrzeugrahmen befindet, sind die Arme ferner um eine im Wesentlichen horizontal verlaufende Schwenkachse schwenkbar angelenkt.Such floor cleaning machines are known from the prior art, wherein sideboards supported on the vehicle frame serve to convey dirt laterally adjacent to the vehicle into the area in front of a suction mouth at the front end of the vehicle. By the pivoting of the arms is thereby achieved that the width of the area which is detected by the side brush, can be adjusted. In order to further ensure that the side brushes can follow unevennesses in the surface to be cleaned and the cleaning effect is independent of the height in which the holder is relative to the vehicle frame, the arms are further pivotally articulated about a substantially horizontally extending pivot axis.

Bei derartigen Anordnungen stellt sich jedoch das Problem, dass bei einer derartigen Bodenreinigungsmaschine nach Beendigung der Reinigungstätigkeit für eine Transportfahrt mit höherer Geschwindigkeit die Seitenbesen relativ zum Fahrzeugrahmen fest gehaltert werden müssen. Dazu ist es bisher aus dem Stand der Technik bekannt, dass der Bediener die Arme in eine Raststellung verbringen muss, wozu es erforderlich ist, dass er von der Maschine absteigt und dies händisch ausführt. Dies ist nachteilhaft und zeitaufwändig. Alternativ ist es auch möglich, den Seitenbesen hydraulisch in einer Stellung am Fahrzeugrahmen zu halten. Dazu ist es jedoch erforderlich, dass der dabei verwendete Hydraulikzylinder kontinuierlich mit Druck beaufschlagt werden muss, um den Seitenbesen in der gewünschten Stellung zu halten. Außerdem ist eine solche Lösung vergleichsweise kostenintensiv.In such arrangements, however, poses the problem that in such a floor cleaning machine after completion of the cleaning operation for a transport journey at a higher speed, the side brushes must be firmly held relative to the vehicle frame. For this purpose, it is previously known from the prior art that the operator must spend the arms in a detent position, what it is necessary that he descends from the machine and does it manually. This is disadvantageous and time consuming. Alternatively, it is also possible to hold the side brush hydraulically in a position on the vehicle frame. For this purpose, however, it is necessary that the hydraulic cylinder used in this case must be continuously pressurized in order to keep the side brush in the desired position. In addition, such a solution is relatively expensive.

Daher ist es die Aufgabe der vorliegenden Erfindung, eine Transportsicherung für Seitenbesen bereitzustellen, die es erlaubt, den den Seitenbesen halternden Arm mit der Halterung in Eingriff zu bringen, ohne dass der Bediener von der Maschine absteigen muss.Therefore, it is the object of the present invention to provide a transport safety device for side brushes, which allows the arm holding the side brush to be engaged with the support without the operator having to dismount the machine.

Diese Aufgabe wird dadurch gelöst, dass die Halterung erste Eingriffsmittel und der Arm zweite Eingriffsmittel aufweist und dass die ersten und zweiten Eingriffsmittel derart ausgestaltet sind, dass die ersten und zweiten Eingriffsmittel bei einer Bewegung des Arms in die Transportstellung in unterschiedlichen Schwenkstellungen des Arms bezüglich der Schwenkachse so in Eingriff kommen, dass eine Schwenkbewegung des Arms um die Schwenkachse hin zu der Oberfläche verhindert wird.This object is achieved in that the holder has first engagement means and the arm second engagement means and that the first and second engagement means are configured such that the first and second engagement means in a movement of the arm in the transport position in different pivotal positions of the arm with respect to the pivot axis engage such that pivotal movement of the arm about the pivot axis toward the surface is prevented.

Dadurch, dass die Eingriffsmittel derart ausgestaltet sind, dass die an dem Arm angeordneten zweiten Eingriffsmittel bei unterschiedlichen Schwenkstellungen des Arms um die horizontale Schwenkachse mit den ersten Eingriffsmitteln in Eingriff kommen können, kann der Arm mit der Halterung unabhängig davon in Eingriff kommen, in welcher Höhe sich der Arm relativ zum Fahrzeugrahmen befindet. Insbesondere muss der Arm nicht auf das Niveau angehoben werden, das für einen Eingriff erforderlich ist, sondern dadurch, dass ein Eingriff bei unterschiedlichen Schwenkstellungen möglich ist, muss keine vorgegebene Relativstellung erreicht werden. Dadurch ist es nicht erforderlich, dass der Bediener die Maschine verlassen und von Hand den Arm auf das zum Eingriff erforderliche Niveau anheben muss.Characterized in that the engagement means are designed such that the arranged on the arm second engagement means can come into engagement with the first engagement means at different pivotal positions of the arm about the horizontal pivot axis, the arm can be engaged independently of the bracket, in which height the arm is relative to the vehicle frame. In particular, the arm does not have to be raised to the level required for engagement, but by allowing engagement with different pivot positions, no predetermined Relative position can be achieved. This eliminates the need for the operator to leave the machine and manually raise the arm to the level required for engagement.

In einer bevorzugten Ausführungsform ist eines der ersten und zweiten Eingriffsmittel als in Erstreckungsrichtung des Arms verlaufende Stäbe ausgebildet, die an ihren Endbereichen an der Halterung bzw. am Arm befestigt sind. Des Weiteren sind dann die anderen aus den ersten und zweiten Eingriffsmitteln als in vertikaler Richtung beabstandete Auflageflächen ausgebildet. Dabei können die Auflageflächen in einer bevorzugten Ausführungsform horizontal verlaufen. Es ist aber auch denkbar, dass die Auflagefläche leicht gegenüber der Horizontalen geneigt sind.In a preferred embodiment, one of the first and second engagement means is formed as extending in the extension direction of the arm rods which are secured at their end portions to the bracket or on the arm. Furthermore, then the others of the first and second engagement means are formed as a vertically spaced bearing surfaces. In this case, the bearing surfaces can extend horizontally in a preferred embodiment. But it is also conceivable that the support surface are slightly inclined relative to the horizontal.

Bei einem solchen Aufbau ist es lediglich erforderlich, den Arm motorisch an die Halterung heranzuschwenken, um die Transportstellung zu erreichen, wobei dann ein oder mehrere der Stäbe zur Anlage mit den Auflageflächen kommen und so eine vertikale Bewegung des Arms hin zur Bodenfläche verhindert wird.With such a structure, it is only necessary to swing the arm to the bracket to achieve the transport position, in which case one or more of the rods come into abutment with the bearing surfaces and thus prevents vertical movement of the arm towards the bottom surface.

Dabei hat es sich als vorteilhaft erwiesen, wenn die Auflageflächen an der Halterung ausgebildet sind, während die Stäbe am Arm angeordnet sind.It has proven to be advantageous if the support surfaces are formed on the holder, while the rods are arranged on the arm.

Ein weiterer Vorteil, der mit den Stäben verbunden ist, die in ihren Endbereichen am Arm bzw. an der Halterung befestigt sind, ist, dass dadurch eine gewisse Elastizität der Stäbe ausgenutzt wird, so dass der Arm nicht starr an der Halterung anliegt, sondern durch die Elastizität der Stäbe eine flexible Lagerung des Arms an der Halterung erreicht wird.Another advantage associated with the rods attached to the arm or bracket in their end regions is that it takes advantage of some elasticity of the rods so that the arm does not rigidly contact the bracket, but rather through the elasticity of the rods a flexible support of the arm is achieved on the holder.

Schließlich kann in einer bevorzugten Ausführungsform jeweils eine Schrägfläche zwischen zwei benachbarten Auflageflächen vorgesehen sein, wobei die Schrägfläche vom zum anderen Eingriffsmittel weisenden Ende der ersten der benachbarten Auflageflächen in Richtung des vom anderen Eingriffsmittel entfernten Endes der zweiten der benachbarten Auflageflächen verläuft. Dann hat die Anordnung aus Auflage- und Schrägflächen die Form einer Sägezahnanordnung.Finally, in a preferred embodiment, an inclined surface may be provided between each two adjacent bearing surfaces, wherein the inclined surface extends from the other engaging end of the first of the adjacent bearing surfaces in the direction of the remote from the other engagement end of the second of the adjacent bearing surfaces. Then the arrangement of support and inclined surfaces in the form of a sawtooth arrangement.

Bei einem derartigen Aufbau wird erreicht, dass beim Heranschwenken des Arms in die Transportstellung die Stäbe benachbart zum hinteren Ende der Auflageflächen, das von deren freiem Ende entfernt ist, zu liegen kommen, so dass ein sicherer Eingriff erreicht wird.With such a construction it is achieved that, when the arm is pivoted into the transport position, the bars come to lie adjacent to the rear end of the bearing surfaces, which is remote from the free end thereof, so that a secure engagement is achieved.

Im Folgenden wird die vorliegende Erfindung anhand lediglich eines bevorzugten Ausführungsbeispiels erläutert, wobei

Fig. 1
das Ausführungsbeispiel einer erfindungsgemäßen Bodenreinigungsmaschine in perspektivischer Ansicht zeigt,
Fig. 2
eine der Seitenbesenanordnungen der Bodenreinigungsmaschine aus Fig. 1 in einer perspektivischen Darstellung von vorne zeigt,
Fig. 3
einen Teil der Seitenbesenanordnung aus Fig. 2 in perspektivischer Darstellung von der Seite zeigt,
Fig. 4
einen Teil der Seitenbesenanordnung aus Fig. 2 mit dem Arm in der Transportstellung in einer Schnittdarstellung zeigt,
Fig. 5
einen Teil der Seitenbesenanordnung aus Fig. 2 in einer Schnittdarstellung zeigt, wobei der Arm aus der Transportstellung herausgeschwenkt ist, und
Fig. 6
die Seitenbesenanordnung aus Fig. 2 in einer vertikalen Schnittdarstellung zeigt, wobei der Arm in der Transportstellung ist.
In the following, the present invention is explained with reference to only a preferred embodiment, wherein
Fig. 1
the embodiment of a floor cleaning machine according to the invention in a perspective view shows
Fig. 2
one of the side brush assemblies of the floor cleaning machine Fig. 1 in a perspective view from the front,
Fig. 3
a part of the side brush assembly Fig. 2 in a perspective view from the side,
Fig. 4
a part of the side brush assembly Fig. 2 with the arm in the transport position in a sectional view,
Fig. 5
a part of the side brush assembly Fig. 2 in a sectional view shows, with the arm is pivoted out of the transport position, and
Fig. 6
the side brush assembly Fig. 2 in a vertical sectional view, wherein the arm is in the transport position.

Wie Fig. 1 zeigt, weist das Ausführungsbeispiel einer erfindungsgemäßen Bodenreinigungsmaschine 1 Seitenbesenanordnungen 3 zu beiden Seiten der Maschine 1 auf. Ferner ist die Bodenreinigungsmaschine 1 mit einem Räder 5', 5'' aufweisenden Fahrwerk versehen, das an einem Fahrzeugrahmen 7 gehaltert ist, wobei die Vorderräder 5' lenkbar sind. An dem Fahrzeugrahmen 7 ist wiederum eine Halterung 9 höhenverstellbar angebracht, die die Seitenbesenanordnungen 3 trägt. Dadurch sind die Seitenbesenanordnungen 3 in der Höhe verstellbar am Fahrzeugrahmen 7 gehaltert.As Fig. 1 1, the embodiment of a floor cleaning machine 1 according to the invention has side brush arrangements 3 on both sides of the machine 1. Further, the floor cleaning machine 1 is provided with a wheels 5 ', 5 "having suspension, which is supported on a vehicle frame 7, wherein the front wheels 5' are steerable. On the vehicle frame 7, in turn, a holder 9 is mounted vertically adjustable, which carries the side brush assemblies 3. As a result, the side brush assemblies 3 are height-adjustably mounted on the vehicle frame 7.

In den Fig. 2 bis 6 ist jeweils die in Fahrtrichtung der Bodenreinigungsmaschine 1 gesehen linke Seitenbesenanordnung 3 dargestellt. Die rechte Seitenbesenanordnung 3 ist jedoch spiegelsymmetrisch dazu ausgestaltet, sodass es für die Erläuterung der vorliegenden Erfindung ausreichend ist, lediglich eine der beiden Seitenbesenanordnungen 3 zu beschreiben.In the Fig. 2 to 6 in each case the left side brush assembly 3 seen in the direction of travel of the floor cleaning machine 1 is shown. The right side brush assembly 3, however, is designed mirror-symmetrically thereto, so that it is sufficient for the explanation of the present invention, only one of the two side brush assemblies 3 to describe.

Die Seitenbesenanordnungen 3 weisen einen Seitenbesen 11 auf, der unterhalb einer im Wesentlichen horizontal verlaufenden Platte 13 angeordnet ist und durch einen Hydraulikmotor 15 drehend angetrieben wird. Der Seitenbesen 11 sowie die Platte 13 und der Hydraulikmotor 15 sind an einem Arm 17 angebracht, der um eine im Wesentlichen vertikal verlaufende Schwenkachse 19 schwenkbar an der Halterung 9 gehaltert ist. Außerdem ist der Arm 17 um eine im Wesentlichen horizontal verlaufende Schwenkachse 21 ebenfalls schwenkbar, sodass der Arm 17 in vertikaler Richtung auf und ab schwenken kann und der Seitenbesen 11 somit Unebenheiten der zu reinigenden Oberfläche bei fester Einstellung der Halterung 9 folgen kann. In diesem Zusammenhang ist darauf hinzuweisen, dass die Begriffe "vertikal" und "horizontal" im Sinne der vorliegenden Erfindung nicht unzulässig eng zu verstehen sind. Die vertikale Achse 19 muss im Betrieb der Bodenreinigungsmaschine 1 nicht exakt senkrecht zur zu reinigenden Oberfläche verlaufen. Es ist lediglich erforderlich, dass eine Schwenkbewegung des Arms 17 um die vertikale Achse 19 zu einer Bewegung des Seitenbesens 11 über die Fläche hinweg führt. Analog muss im Betrieb der Maschine 1 die horizontale Schwenkachse 21 nicht exakt parallel zu der zu reinigenden Oberfläche verlaufen. Es ist nur erforderlich, dass eine Schwenkbewegung des Arms 17 um diese Schwenkachse 21 zu einer Aufwärts- bzw. Abwärtsbewegung des Seitenbesens 11 relativ zu der Oberfläche führt.The side brush assemblies 3 have a side brush 11 which is disposed below a substantially horizontally extending plate 13 and is rotationally driven by a hydraulic motor 15. The side brush 11 as well as the plate 13 and the hydraulic motor 15 are mounted on an arm 17, which is mounted on the holder 9 so as to be pivotable about a substantially vertical pivot axis 19. In addition, the arm 17 is also pivotable about a substantially horizontally extending pivot axis 21, so that the arm 17 in vertical direction can swing up and down and the side brush 11 thus unevenness of the surface to be cleaned with fixed setting of the holder 9 can follow. In this context, it should be noted that the terms "vertical" and "horizontal" in the context of the present invention should not be interpreted in an impermissibly narrow manner. The vertical axis 19 does not have to run exactly perpendicular to the surface to be cleaned during operation of the floor cleaning machine 1. It is only necessary that pivotal movement of the arm 17 about the vertical axis 19 results in movement of the side broom 11 across the surface. Similarly, during operation of the machine 1, the horizontal pivot axis 21 does not have to be exactly parallel to the surface to be cleaned. It is only necessary that a pivotal movement of the arm 17 about this pivot axis 21 results in an upward and downward movement of the side brush 11 relative to the surface.

Die Fig. 4 und 5 zeigen den Mechanismus, mit dem der Arm 17 aus einer Transportstellung, in der er unmittelbar an der Halterung 9 anliegt (Fig. 4), heraus geschwenkt werden kann. Der Arm 17 ist um die Achse 19, die im Wesentlichen vertikal verläuft, schwenkbar an einem Schwenkarm 23 gehaltert, der ebenfalls um die Achse 19 schwenken kann.The Fig. 4 and 5 show the mechanism by which the arm 17 from a transport position in which it rests directly on the holder 9 ( Fig. 4 ), can be swung out. The arm 17 is pivotally mounted about the axis 19, which extends substantially vertically, on a pivot arm 23 which can also pivot about the axis 19.

Der Schwenkarm 23 ist mit einem Anschlag 25 und einem Zusatzanschlag 27 versehen, wobei das über die Achse 19 hinaus ragende Ende des Arms 17 am Anschlag 25 anliegt, wenn der Hydraulikmotor 15 eingeschaltet ist und der Seitenbesen 11 auf einer zu reinigenden Oberfläche rotiert. Diese Anlage kommt deswegen zustande, weil die Drehrichtung des Hydraulikmotors 15 so gewählt ist, dass durch die Rotation des Seitenbesens 11 auf der zu reinigenden Oberfläche eine Reaktionskraft auf den Arm 17 erzeugt wird, durch die der Arm 17 von der Halterung 9 weg verschwenkt wird und damit das über die Achse 19 herausragende Ende des Arms 17 zur Anlage mit dem Anschlag 25 gebracht wird.The pivot arm 23 is provided with a stop 25 and an additional stop 27, wherein the projecting beyond the axis 19 end of the arm 17 abuts the stop 25 when the hydraulic motor 15 is turned on and the side brush 11 rotates on a surface to be cleaned. This system is due to the fact that the direction of rotation of the hydraulic motor 15 is selected so that by the rotation of the side brush 11 on the surface to be cleaned, a reaction force is generated on the arm 17, through which the arm 17 is pivoted away from the holder 9 and so that on the axis 19 outstanding End of the arm 17 is brought to rest with the stopper 25.

Das von der Achse 19 entfernte Ende des Armelements 23 ist mit dem verstellbaren Ende eines Hydraulikzylinders 29 verbunden. Durch Verstellen des Hydraulikzylinders 29 kann somit das Armelement 23 verschwenkt werden, wie dies ein Vergleich zwischen den Fig. 4 und 5 zeigt.The end of the arm member 23 remote from the axis 19 is connected to the adjustable end of a hydraulic cylinder 29. By adjusting the hydraulic cylinder 29 thus the arm member 23 can be pivoted, as a comparison between the Fig. 4 and 5 shows.

Wenn der Hydraulikzylinder 29 eingezogen wird, schwenkt der Arm 17 um die Achse 19 nach außen aus der in Fig. 4 dargestellten Transportstellung heraus. Der Zusatzanschlag 27 dient dabei dazu, den Arm 17 aus einer Verriegelung in der Transportstellung heraus zu lösen, wenn die durch die Rotation des Seitenbesens 11 erzeugte Reaktionskraft dazu nicht ausreicht oder der Seitenbesen 11 gar nicht auf der zu reinigenden Oberfläche aufliegt.When the hydraulic cylinder 29 is retracted, the arm 17 pivots about the axis 19 outwardly of the in Fig. 4 out transport position shown. The additional stop 27 serves to release the arm 17 from a lock in the transport position when the reaction force generated by the rotation of the side brush 11 is not sufficient or the side brush 11 does not rest on the surface to be cleaned.

Wie bereits die Fig. 2 und 3 zeigen, sind die Halterung 9 und der Arm 17 mit ersten und zweiten Eingriffsmitteln versehen, die in der Transportstellung des Arms 17, in der er an der Halterung 9 anliegt, miteinander eingreifen. Die ersten Eingriffsmittel sind als eine Vielzahl von in dem hier beschriebenen Ausführungsbeispiel in horizontaler Richtung verlaufende Auflageflächen 31 ausgebildet, die von der zu reinigenden Bodenfläche weg weisen (siehe auch Fig. 6). Es ist aber auch denkbar, dass die Auflagefläche geneigt verlaufen oder im Querschnitt gekrümmt ausgebildet sind.Like already the Fig. 2 and 3 show, the holder 9 and the arm 17 are provided with first and second engaging means which engage in the transport position of the arm 17 in which it rests against the holder 9 with each other. The first engagement means are formed as a plurality of in the embodiment described here extending in a horizontal direction bearing surfaces 31 which point away from the floor surface to be cleaned (see also Fig. 6 ). But it is also conceivable that the support surface are inclined or curved in cross-section.

Zwischen den Auflageflächen 31 sind Schrägflächen 33 vorgesehen, die jeweils von einem freien Ende einer Auflagefläche 31 in Richtung des von dem freien Ende der nächsten benachbarten Auflagefläche 31 entfernten inneren Endes dieser Auflagefläche verlaufen.Between the support surfaces 31 inclined surfaces 33 are provided, each extending from a free end of a support surface 31 in the direction of the remote from the free end of the next adjacent support surface 31 inner end of this support surface.

Somit ist eine Schrägfläche 33 jeweils derart angeordnet, dass sie vom zum anderen Eingriffsmittel, in diesem Fall den Stäben 35, weisenden Ende der ersten der benachbarten Auflageflächen 31 in Richtung des vom anderen Eingriffsmittel entfernten Endes der zweiten benachbarten Auflagefläche 31 verläuft. Es wird also eine Sägezahnanordnung gebildetThus, an inclined surface 33 is in each case arranged such that it extends from the other engagement means, in this case the bars 35, facing end of the first of the adjacent bearing surfaces 31 in the direction of the remote from the other engagement end of the second adjacent bearing surface 31. Thus, a sawtooth arrangement is formed

Im Betrieb wird zu Beginn der Reinigungstätigkeit zum Absenken der Seitenbesenanordnung 3 aus der Transportstellung, in der Auflageflächen 31 und Stäbe 35 in Eingriff miteinander sind, der Hydraulikzylinder 29 aus der in Fig. 4 gezeigten Stellung in die in Fig. 5 gezeigte überführt, wobei dann der Zusatzanschlag 27 zur Anlage an das Ende des Arms 17 kommt, diesen somit von der Halterung 9 weg bewegt und damit auch die Stäbe 35 von den Auflageflächen 31 herunterdrückt.In operation, at the beginning of the cleaning operation for lowering the side brush assembly 3 from the transport position, in the bearing surfaces 31 and rods 35 are in engagement with each other, the hydraulic cylinder 29 from the in Fig. 4 shown position in the in Fig. 5 shown transferred, in which case the additional stop 27 comes to rest against the end of the arm 17, this thus moves away from the holder 9 and thus also pushes the rods 35 from the bearing surfaces 31.

Durch die Rotation des Hydraulikmotors 15 wird dann, wenn der Seitenbesen 11 auf der zu reinigenden Oberfläche aufliegt, der Arm 17 gegen den Anschlag 25 gedrückt. Wenn der Reinigungsvorgang beendet ist, wird der Hydraulikzylinder 29 wieder zurück in Richtung zu der in Fig. 4 dargestellten Stellung bewegt. Dadurch, dass eine Vielzahl von Auflageflächen 31 und Stäben 35 vorgesehen sind, können die ersten und zweiten Eingriffsmittel in Form der Auflageflächen 31 und Stäbe 35 in unterschiedlichen Schwenkstellungen des Arms um die horizontale Schwenkachse 21 miteinander in Eingriff gelangen. Wenn also der Arm 17 zurück in die Transportstellung gedrückt wird, kommen die Stäbe 35 und die Auflageflächen 31 unabhängig von der Schwenkstellung des Arms 17 um die Schwenkachse 21 miteinander in Eingriff, wie dies im Übrigen auch in Fig. 6 zu erkennen ist.By the rotation of the hydraulic motor 15, when the side brush 11 rests on the surface to be cleaned, the arm 17 is pressed against the stop 25. When the cleaning operation is completed, the hydraulic cylinder 29 is again back toward the in Fig. 4 shown position moves. Characterized in that a plurality of support surfaces 31 and rods 35 are provided, the first and second engagement means in the form of the bearing surfaces 31 and rods 35 can engage in different pivotal positions of the arm about the horizontal pivot axis 21 with each other. Thus, when the arm 17 is pushed back into the transport position, the rods 35 and the bearing surfaces 31 come into engagement with each other independently of the pivotal position of the arm 17 about the pivot axis 21, as is the case in FIG Fig. 6 can be seen.

Wenn dies der Fall ist, kann die Halterung 9 relativ zum Fahrzeugrahmen 7 angehoben werden, so dass die gesamte Anordnung aus Seitenbesenanordnung 3 und Halterung 9 ebenfalls angehoben wird.If this is the case, the bracket 9 can be raised relative to the vehicle frame 7, so that the entire assembly from side brush assembly 3 and holder 9 is also raised.

Danach kann die Bodenreinigungsmaschine 1 in Transportfahrt mit erhöhter Geschwindigkeit weiterfahren, da die Seitenbesen 11 nun nicht mehr auf der zu reinigenden Oberfläche aufliegen. Um dies zu erreichen, ist es somit nicht erforderlich, dass ein Bediener von der Maschine absteigt, sondern das Sichern der Seitenbesenanordnungen 3 an der Halterung 9 bzw. Fahrzeugrahmen 7 erfolgt selbsttätig unabhängig von der Schwenkstellung der Arme 17 relativ zur Schwenkachse 21.Thereafter, the floor cleaning machine 1 continue in transport travel at an increased speed, since the side brushes 11 no longer rest on the surface to be cleaned. In order to achieve this, it is thus not necessary for an operator to descend from the machine, but the securing of the side brush arrangements 3 to the holder 9 or vehicle frame 7 takes place automatically independently of the pivoting position of the arms 17 relative to the pivot axis 21.

Claims (4)

Bodenreinigungsmaschine mit einem an einem Fahrzeugrahmen (7) angebrachten Fahrwerk zum Bewegen der Bodenreinigungsmaschine (1) über eine zu reinigende Oberfläche und
mit einem rotierend angetriebenen Seitenbesen (11), der an einem Arm (17) angebracht ist, der um eine vertikale Achse (19) schwenkbar an einer mit dem Fahrzeugrahmen (7) verbundenen Halterung (9) angelenkt ist,
wobei der Arm (17) um die vertikale Achse (19) in eine Transportstellung, in der er an der Halterung (9) anliegt, schwenkbar ist und
wobei der Arm (17) gegenüber der Halterung (9) um eine horizontale Schwenkachse (21) schwenkbar ist,
dadurch gekennzeichnet,
dass die Halterung (9) erste Eingriffsmittel und der Arm (17) zweite Eingriffsmittel aufweist und
dass die ersten und zweiten Eingriffsmittel derart ausgestaltet sind, dass die ersten und zweiten Eingriffsmittel bei einer Bewegung des Arms (17) in die Transportstellung in unterschiedlichen Schwenkstellungen des Arms (17) bezüglich der Schwenkachse (21) so in Eingriff kommen, dass eine Schwenkbewegung des Arms (17) um die Schwenkachse (21) hin zu der Oberfläche verhindert wird.Floor cleaning machine with a mounted on a vehicle frame (7) landing gear for moving the floor cleaning machine (1) over a surface to be cleaned and
with a rotatably driven side brush (11) which is attached to an arm (17) which is articulated about a vertical axis (19) pivotably on a holder (9) connected to the vehicle frame (7),
wherein the arm (17) about the vertical axis (19) in a transport position, in which it bears against the holder (9), and is pivotable
wherein the arm (17) is pivotable relative to the holder (9) about a horizontal pivot axis (21),
characterized,
that the holder (9) has first engaging means and the arm (17) has second engaging means, and
in that the first and second engagement means are so engaged that, when the arm (17) moves into the transport position in different pivotal positions of the arm (17) with respect to the pivot axis (21), the first and second engagement means engage in a pivotal movement of the pivot Arms (17) is prevented around the pivot axis (21) towards the surface. Bodenreinigungsmaschine nach Anspruch 1, wobei eines aus den ersten und zweiten Eingriffsmitteln als sich in Erstreckungsrichtung des Arms (17) verlaufende Stäbe (35) ausgebildet sind, die an ihren Endbereichen an der Halterung (9) oder am Arm (17) befestigt sind, und
wobei die anderen aus den ersten und zweiten Eingriffsmitteln als in vertikaler Richtung (31) beabstandete Auflageflächen ausgebildet sind.A floor cleaning machine according to claim 1, wherein one of the first and second engaging means is formed as extending in the extending direction of the arm (17) rods (35) which are fixed at their end portions on the holder (9) or on the arm (17), and
wherein the others of the first and second engagement means are formed as bearing surfaces spaced apart in the vertical direction (31). Bodenreinigungsmaschine nach Anspruch 2, wobei die ersten Eingriffmittel als horizontale Auflageflächen (31) ausgebildet sind, die von der zu reinigenden Oberfläche weg weisen, und
wobei die zweiten Eingriffsmittel als Stäbe (35) ausgebildet sind.Floor cleaning machine according to claim 2, wherein the first engagement means are formed as horizontal bearing surfaces (31) facing away from the surface to be cleaned, and
wherein the second engagement means are formed as rods (35). Bodenreinigungsmaschine nach Anspruch 2 oder 3, wobei zwischen zwei benachbarten Auflageflächen (31) eine Schrägfläche (33) vorgesehen ist, die vom zum anderen Eingriffsmittel weisenden Ende der ersten der benachbarten Auflageflächen (31) in Richtung des vom anderen Eingriffsmittel entfernten Endes der zweiten der benachbarten Auflagefläche (31) verläuft.Floor cleaning machine according to claim 2 or 3, wherein between two adjacent bearing surfaces (31) an oblique surface (33) is provided, which points from the other engaging end of the first of the adjacent bearing surfaces (31) in the direction of the remote from the other engagement end of the second of the adjacent Support surface (31) extends.
EP14187474.3A 2013-10-04 2014-10-02 Floor cleaning machine with transport lock for side brush Active EP2871284B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013220149.4A DE102013220149B4 (en) 2013-10-04 2013-10-04 Floor cleaning machine with transport lock for side brush

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EP2871284A2 true EP2871284A2 (en) 2015-05-13
EP2871284A3 EP2871284A3 (en) 2015-06-17
EP2871284B1 EP2871284B1 (en) 2016-11-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988253A (en) * 2017-05-31 2017-07-28 江苏天普星环境科技有限公司 A kind of road-sweeper convex frame
CN108774982A (en) * 2018-05-21 2018-11-09 安徽爱瑞特环保科技股份有限公司 A kind of mechanical arm type Bian Shua mechanisms
US10701858B2 (en) 2017-12-12 2020-07-07 Industrial Technology Research Institute Mobile vehicle, ground treating equipment and orientation adjusting method thereof

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FR1479703A (en) * 1965-12-23 1967-07-26
FR2600271B1 (en) * 1986-06-23 1988-11-10 Mathieu Sofralor Sa Balayeuses DEVICE FOR ORIENTATION AND POSITIONING OF THE SIDE BRUSHES OF AN INDUSTRIAL SWEEPER
DE9421625U1 (en) * 1994-08-24 1996-03-14 Alfred Kärcher GmbH & Co, 71364 Winnenden Sweeper
DE102010017608A1 (en) * 2010-06-25 2011-12-29 Fiedler Maschinenbau Und Technikvertrieb Gmbh Device carrier and bracket combination for e.g. road sweeper installed at carrier vehicle to remove ground vegetation from road, has inclination cylinder hinged at telescopic arm end, and protection device arranged at cleaning head

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988253A (en) * 2017-05-31 2017-07-28 江苏天普星环境科技有限公司 A kind of road-sweeper convex frame
US10701858B2 (en) 2017-12-12 2020-07-07 Industrial Technology Research Institute Mobile vehicle, ground treating equipment and orientation adjusting method thereof
CN108774982A (en) * 2018-05-21 2018-11-09 安徽爱瑞特环保科技股份有限公司 A kind of mechanical arm type Bian Shua mechanisms

Also Published As

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DE102013220149B4 (en) 2015-11-26
EP2871284B1 (en) 2016-11-23
EP2871284A3 (en) 2015-06-17

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