EP2721219B1 - Balayeuse de voirie - Google Patents

Balayeuse de voirie Download PDF

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Publication number
EP2721219B1
EP2721219B1 EP11725478.9A EP11725478A EP2721219B1 EP 2721219 B1 EP2721219 B1 EP 2721219B1 EP 11725478 A EP11725478 A EP 11725478A EP 2721219 B1 EP2721219 B1 EP 2721219B1
Authority
EP
European Patent Office
Prior art keywords
brush
sweeping vehicle
holding
coupling
sweeping
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.)
Not-in-force
Application number
EP11725478.9A
Other languages
German (de)
English (en)
Other versions
EP2721219A1 (fr
Inventor
Bastian Du Maire
Dietmar Kull
Uwe Weller
Martin SICKINGER
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 EP2721219A1 publication Critical patent/EP2721219A1/fr
Application granted granted Critical
Publication of EP2721219B1 publication Critical patent/EP2721219B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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

Definitions

  • the invention relates to a sweeping vehicle comprising a disc brush for sweeping dirt from a bottom surface to be cleaned, which disc brush has a brush plate with brushes held thereon and is rotatably driven about a rotational axis, and comprising a holding device for holding the disc brush, wherein the holding device is a holding part and a holding arm pivotably connected thereto, the holding device being held on the sweeping vehicle via the holding part and the plate brush being held on the holding arm, and comprising an adjusting device comprising a variable-length adjusting member acting on the holding arm, the holding arm being relative to the holding part as a function of a change in length of the actuator is pivotable for lowering and raising the plate brush.
  • the plate brush is held by means of the holding device on the sweeping vehicle otherwise.
  • the holding device has a holding part, which may be formed, for example, by a frame of the sweeping vehicle, but may also be formed separately from this or fixed thereto, and a support arm pivotally mounted on the holding arm. On the arm the plate brush is held directly or indirectly.
  • the variable-length actuator of the adjustment of the support arm can be pivoted relative to the holding part and thereby the disc brush are lowered to the floor surface to be cleaned, such as commissioning the sweeping vehicle, and be raised by the floor surface to be cleaned, for example at the end of operation.
  • the actuator engages the support arm and is for example mounted pivotably on this.
  • the holding part a frame or other structural part of the sweeper.
  • the brush plate is inclined relative to the horizontal in a sweeping vehicle of the type mentioned, so that not all brushes of the disc brush contact the bottom surface simultaneously. Instead, the contact area points the brush with the bottom surface, also called “sweeping mirror” or “work area”, by the inclination of the brush plate, for example, a kidney-shaped, sickle-shaped or circular segment shape.
  • This has the purpose of sweeping dirt in a defined direction from the bottom surface, so that the dirt can be picked up by means of a dirt pick-up device of the sweeping vehicle, such as a brush roller or a suction device, from the bottom surface.
  • the EP 1 769 950 A2 describes a generic sweeper, in which an ensemble of holding device and plate brush can be tilted by means of an additional adjustment so that the brush plate inclined starting from a horizontal position in an inclined position with respect to the horizontal and accordingly the sweeping mirror can be changed from a circular shape into a kidney shape.
  • Position, position and directional indications such as “top”, “bottom”, “horizontal”, “vertical” or the like are presently considered to be related to a position of use of the sweeping vehicle, in which the sweeping vehicle is positioned on a horizontal bottom surface.
  • Object of the present invention is to provide a sweeping vehicle of the type mentioned, in which the sweeping mirror of the disc brush is changed in a structurally simple manner.
  • the holding device comprises a brush holder which is pivotally mounted on the arm and on which the disc brush is held
  • the sweeping vehicle comprises a coupling device for coupling the brush holder with the adjusting device, wherein the brush holder in dependence on a change in length of the actuator relative to the support arm is pivotable for pivoting the disc brush about an inclined to the axis of rotation pivot axis.
  • the plate brush is held indirectly on the support arm.
  • the holding device comprises for this purpose a brush holder on which the disc brush is held and which in turn is pivotally connected to the support arm and thereby is pivotable relative thereto. By acting on the brush holder this can be pivoted relative to the support arm and thus the disc brush can be pivoted relative to the sweeper.
  • the sweeping vehicle according to the invention comprises a coupling device for coupling the adjusting device with the brush holder. By means of the coupling device, a change in length of the actuator can be detected and acted upon on the brush holder, that this is pivotable relative to the support arm and consequently the disc brush about a pivot axis aligned to the pivot axis.
  • the oblique orientation of the pivot axis relative to the axis of rotation causes a change in the inclination of the brush plate relative to the horizontal and the bottom surface and thus a change in the sweeping mirror.
  • the ability to change the sweeping mirror is beneficial to alter the direction in which dirt is swept from the ground surface.
  • the sweeping mirror may be changed depending on a direction of travel of the sweeping vehicle to improve the cleaning result. Since the actuator can be used for pivoting the brush holder and the plate brush, it is not necessary to provide a further adjustment in the sweeping vehicle according to the invention, by means of which the sweeping mirror is changed.
  • the sweeping vehicle according to the invention instead, in contrast to a conventional sweeper under constructive simplification with only one actuator to raise and lower the disc brush and to pivot it to change the sweeping mirror.
  • the pivot axis and the axis of rotation can be skewed aligned with each other and do not need to cut, so that the change in the inclination of the brush plate is possible.
  • the coupling device between the brush holder and the holding arm acting elastic element comprises, against the action of the brush holder is pivotable relative to the support arm.
  • the actuator By a change in length of the actuator approximately in a first direction of the brush carrier can be pivoted relative to the support arm in a first pivoting direction against the action of the elastic element.
  • the pivoting of the brush holder relative to the support arm takes place in the opposite second pivoting direction under the action of the elastic element.
  • the elastic element makes it possible, for example, to reduce or even completely eliminate the load acting on the actuator for pivoting the brush holder in the second pivoting direction.
  • the elastic element is in particular a spring, for example a thigh or coil spring.
  • the coupling of the brush holder with the actuator can be done by the coupling device in many ways.
  • the brush holder may be indirectly or directly connected to the actuator.
  • a change in length of the actuator can thereby be transmitted indirectly or directly to the brush holder for pivoting relative to the support arm.
  • the coupling device comprises a first, connected to the brush holder in operative connection coupling stop member with a second, operatively connected to the actuator coupling stop member for pivoting the brush holder relative to the support arm in response to a Length change of the actuator cooperates.
  • the second, associated with him coupling stop element can be moved.
  • the coupling stop elements can act as a driver stops, so that acted upon stop of the second coupling stop member on the first, the brush holder associated coupling stop member on the brush holder and this can be pivoted relative to the support arm.
  • the sweeping vehicle preferably comprises the above-mentioned elastic element.
  • further coupling stop elements are in operative connection with the brush holder and the actuator, which can cooperate in a change in length of the actuator in the opposite direction to the pivoting of the brush holder in the opposite direction of pivoting.
  • the first coupling stop member is disposed directly on the brush holder and / or is covered by this and / or the second coupling stop member is disposed directly on the actuator and / or is covered by this.
  • the coupling device comprises a coupling lever which is pivotally connected to the brush holder and which comprises the coupling stop member.
  • the coupling device comprises a first coupling lever, which is pivotally connected to the brush holder, and a second coupling lever which is pivotally connected to the first coupling lever and pivotally connected to the holding device and that the first or the second coupling lever comprises the first coupling stop member.
  • One of the coupling levers for example the second coupling lever, comprises the first coupling stop element.
  • the coupling stop elements can cooperate to move the first coupling stop member with the second coupling stop member.
  • the adjusting device comprises a pivotally connected to the adjusting lever adjusting lever which is pivotally connected to the holding device.
  • the adjusting lever preferably comprises the second coupling stop element.
  • the adjusting lever is conveniently connected to achieve a simple construction of the adjusting device at a joint with the holding device to which the holding arm is pivotally connected to the holding part.
  • a joint can be saved.
  • a change in length of the actuator leads to a movement of the adjusting lever and the second coupling stop element arranged thereon in order to effect, in cooperation with the first coupling stop element, a pivoting of the brush holder relative to the holding arm.
  • the adjusting device preferably comprises a first adjusting stop element arranged on the adjusting lever, which cooperates with a second adjusting stop element arranged on the holding part for pivoting the holding arm relative to the holding part as a function of a change in length of the adjusting element.
  • the actuator acts on the one hand on the support arm and on the other hand articulated to the adjusting lever, which in turn is pivotally connected to the holding device, in particular with a joint formed between the support arm and the holding part.
  • the Verstellanschlagiana In the lowered state of the plate brush, the Verstellanschlagieri preferably at a distance from each other. As a result, there is the possibility that unevenness in the floor can be detected by the plate brush and released via the brush holder to the holding arm, which can be pivoted relative to the holding part, without this pivoting being blocked by the adjusting stop elements.
  • the holding device forms a jointed parallelogram with a first articulated member formed by the holding part and three articulated members formed by the holding arm.
  • the holding part forms a first joint member, which is in each case articulatedly connected to two further, mutually parallel and formed by the support arm hinge members.
  • the holding arm further forms a third joint member, which is articulated in each case articulated to the two mutually parallel hinge members and extends parallel to the holding part.
  • the articulated parallelogram provides a structurally simple way the ability to change the distance of the brush plate relative to the bottom surface, wherein the position of the plate brush is maintained relative to the bottom surface. As a result, for example, a "floating" storage of the plate brush done in the uneven floors are compensated automatically.
  • the pivoting of the support arm relative to the holding part takes place under a change in shape of the Gelenkparallelogramms, wherein the two connected to the holding part of the hinge arms of the support arm are pivoted simultaneously.
  • the brush holder is pivotally connected to the arm connecting to two hinge members, for example on two joint members formed by the holding arm. This makes it possible to save a joint and allows a structurally simpler mounting of the brush holder on the support arm.
  • Gelenkparallelogramm defines a vertical plane, so that does not change the position of the brush plate relative to the sweeping vehicle otherwise when raising and lowering the plate brush.
  • the axis about which the brush holder is pivotable relative to the support arm, and / or the pivot axis of the disc brush are preferably aligned horizontally. This can be achieved in a structurally simple manner in the last-mentioned advantageous embodiment. In this case, the axis or the pivot axis of the disc brush is aligned perpendicular to the plane defined by the articulated parallelogram.
  • the actuator is arranged between the joint members of the articulated parallelogram.
  • the hinge members which are formed by the holding part and the support arm, so to speak form a frame surrounding the actuator. This allows for a compact design of the holding device and the adjustment of the sweeping vehicle. At the same time the actuator is protected by the hinge members.
  • the pivot axis is not orthogonal, that is aligned at an angle other than 90 ° to the axis of rotation.
  • This is to be understood in the case of windshaft pivoting and pivoting axis such that an axis parallel to the axis of rotation and intersecting the pivot axis does not intersect this axis at an angle of 90 °.
  • This embodiment has the advantage that the sweeping mirror rolls on the bottom surface during pivoting of the plate brush in the circumferential direction of the ends of the brushes facing the bottom surface.
  • the sweeping mirror can be rolled continuously in this way, for example, by continuous change in length of the actuator and associated pivoting of the brush holder on the bottom surface. This allows the direction in which dirt is swept from the ground surface, continuously changing, for example, depending on the impact of a steering of the sweeper.
  • the brush plates can be aligned obliquely with respect to the horizontal and the axis of rotation obliquely with respect to the bottom surface.
  • the axis of rotation is aligned obliquely with respect to the bottom surface, regardless of the length of the actuator. This makes it possible to save an adjusting device in order to adjust the axis of rotation from a direction perpendicular to the bottom surface in a direction obliquely to the bottom surface. This simplifies the structural design of the sweeping vehicle.
  • the pivot axis extends through or substantially through the center of the brush plate. This makes it possible to change the inclination of the brush plate relative to the bottom surface, wherein the position of the brush plate relative to the sweeping vehicle is otherwise stationary. The space required to change the sweeping mirror is thereby minimized.
  • the plate brush can be pivoted depending on the steering angle. It is advantageous if the adjusting device has a steering engagement member which is in operative connection with the actuator for detecting the impact of a steering of the sweeping vehicle and if the length of the actuator is adjustable as a function of the impact of the steering. This makes it possible to adjust the length of the actuator during cornering of the sweeping vehicle and to pivot under the action of the coupling device the plate brush so that the direction in which dirt is swept from the ground surface assigns a dirt pick-up device of the sweeping vehicle. In different directions, especially when cornering, thereby a very good sweeping result can be achieved.
  • the steering angle detection element may for example be designed as a rotary encoder, such as a potentiometer or Hall sensor.
  • a stepwise coupling of the steering angle detection member to the steering can be done by one or more switches, such as microswitch.
  • the adjusting device has a dependent on the impact of the steering adjustable positive guide for the steering angle detection member, based on the position of which detects the impact of the steering. If the steering of the sweeping vehicle actuated, this leads to an adjustment of the positive guidance, such as a slotted guide, which in turn can be detected by the steering angle detection member.
  • the coupling of the actuator with the steering angle detection member is mechanically, for example via a Bowden cable.
  • An electrical coupling of the steering angle detection member and the actuator is conceivable, for example, when the actuator comprises a motor-driven threaded spindle.
  • the steering angle detection member and the actuator are each piston-cylinder units of a hydraulic or pneumatic system, in particular a closed system.
  • the steering angle detection member and the actuator via a hydraulic line connected donor piston-cylinder units or slave-piston-cylinder units whose lengths are reciprocally mutually variable.
  • the dirt-collecting device is usually arranged in the direction of travel behind the plate brush, preferably at a rear portion of the sweeping vehicle.
  • the brush plate is tiltable when cornering of the sweeping vehicle in the direction of a vehicle center of the sweeping vehicle.
  • cornering can be changed in the manner explained above, the length of the actuator and pivoted under the action of the coupling means of the brush plates.
  • the pivoting of the brush plate can be carried out upon impact of the steering in a manner in which the sweeper performs a turn in a direction opposite to the arrangement of the disc brush side of the sweeper.
  • the disc brush is a right disc brush, it may tilt the brush plate from the right towards the vehicle center when the sweeper is in a left turn.
  • the sweeping mirror is shifted in the direction of the center of the vehicle.
  • the sweeper in the vehicle longitudinal direction has an arranged behind the disc brush auxiliary actuator brush and arranged behind the Hilfstellebürste dirt receiving device, the Hilfstellebürste when driving straight of the sweeper from the floor surface can be lowered and lowered when cornering of the sweeping vehicle on the floor surface. It was mentioned in the last described embodiment of the sweeping vehicle that when cornering the so-called "dirt sickle" can be reduced by tilting the brush plate in the direction of the vehicle center.
  • the auxiliary actuator brush disposed between the disc brush and the dirt receiving device the dirt sickle can even be completely removed by lowering the auxiliary actuator brush when cornering.
  • the brush plate of the auxiliary actuator brush is preferably inclined in the direction of the vehicle center.
  • the auxiliary actuator brush is not needed. To avoid unnecessary brush wear, it can be lifted off the floor surface.
  • the sweeping vehicle can have a right and a left plate brush.
  • the sweeping vehicle comprises two plate brushes which are designed symmetrically to one another and which are arranged on mutually opposite sides on the sweeping vehicle.
  • the two symmetrically mutually designed plate brushes are preferably a left and a right plate brush of the sweeping vehicle, and they are each held like the plate brush one of the sweeping vehicles described above with the holding device on the sweeper and by means of the adjusting device and under the action of the coupling device relative to this pivotable.
  • the disc brush As far as present references are made to the disc brush, the holding device, the adjusting device and the coupling device and their respective components or features, this is to be construed as a reference to at least one disc brush, at least one holding device, at least one adjusting device or at least one coupling device.
  • a drive motor for the disc brush is preferably held on the brush carrier.
  • the holding part is mounted pivotably about a vertical axis on a frame of the sweeping vehicle, in particular against the action of a return element. This gives the possibility that in a collision of the sweeping vehicle with an obstacle, the holding device can be pivoted relative to the frame to damage the holding device, the adjusting device, the coupling device and / or the disc brush to avoid. Under the action of the return element, the holding part can automatically return to the starting position.
  • a preferred embodiment of a sweeper according to the invention is designed as a so-called “ride-sweeper", in FIG. 1 shown in perspective and there occupied by the reference numeral 10.
  • the sweeper 10 is used to clean one in the FIGS. 5 to 7 indicated bottom surface 11 and can be moved for this purpose by means of a chassis 12 on the bottom surface 11 of time.
  • the chassis 12 comprises two wheels 16 and 17 rotatable about a common axis on a rear side of the sweeping vehicle 10.
  • the sweeping vehicle 10 comprises near its front side 18 a rotatably drivable steering roller 20 arranged in the region of its vehicle center plane 19.
  • On the steering roller 20 an operator can act on the basis of a steering wheel 21 comprising a steering wheel 22.
  • the sweeping vehicle 10 For receiving dirt from the floor surface 11 to be cleaned, the sweeping vehicle 10 comprises a plurality of sweeping units.
  • a dirt pick-up device 25 in the form of a sweeping roller 24 is rotatably mounted near the rear side 14 about an axis of rotation oriented parallel to the axis of rotation of the wheels 16 and 17.
  • the sweeping vehicle 10 On the front side 18, the sweeping vehicle 10 comprises a right disc brush 26 and a left disc brush 28, and between the right disc brush 26 and the sweeping roller 24, an auxiliary actuator brush 30 is disposed on the right side of the sweeping vehicle 10.
  • the sweeping roller 24 and the disc brushes 26, 28 and 30 sweeping material can be swept up from the bottom surface 11 and transferred to a arranged on the back 14 dirt container 32.
  • the sweeping units and the chassis 12 are, like the other components of the sweeping vehicle 10, such as a structure 34, at one in the Figures 2 and 3 Shown in plan view chassis 36 of the sweeping vehicle 10.
  • the chassis 36 includes a rear rectangular portion 38 and a front trapezoidal portion 40.
  • To support the sweeping roller 24 on the rectangular portion 38 is a holding device, not shown in the drawing.
  • the auxiliary actuator brush 30 is connected to a cross member 42 of the section 38 by means of a combined holding and lifting device 44 can be raised and lowered.
  • the plate brushes 26 and 28 are held by means of holding means 46 and 48, respectively, on a right support 50 and a left support 52 of the trapezoidal section 40, wherein the supports 50 and 52 form the non-parallel sides of the section 40.
  • the plate brushes 26 and 28 and the holding devices 46 and 48 are designed symmetrically relative to each other with respect to the vehicle center plane 19. Subsequently, therefore, only the right plate brush 26 and the right holding device 46 will be discussed.
  • the holding means 46 comprises a holding part 54 and a pivotable relative to this, multi-part holding arm 56.
  • the holding part 54 serves to attach the holding means 46 on the chassis 36 and in particular on the carrier 50.
  • the holding part 54 has a holding projection 58 , which engages over and under the carrier 50 and is pivotally connected thereto about a vertical pivot axis 60.
  • the holding part 54 and the holding arm 56 in combination with each other form a jointed parallelogram 62 with a total of four joint members whose first joint member 64 is formed by the holding part 54.
  • the support arm 56 forms three hinge members 66, 68 and 70.
  • the hinge members 66 and 68 are parallel longitudinal sides of the Gelenkparallelogramms 62, which are pivotally connected to the first hinge member 64.
  • Another hinge member 70 formed by the support arm 56 is aligned parallel to the first hinge member 64 and hingedly connected to the two other hinge members 66 and 68 of the support arm 56.
  • the hinge member 66 is the uppermost of the hinge members of the articulated parallelogram 62, and is pivotally connected to the support member 54 at a hinge 72 about a first pivot axis 73. On its opposite side, the hinge member 66 is pivotally connected to the hinge member 70 at a hinge 74 about a second pivot axis 75.
  • the hinge member 68 is disposed below the hinge member 66 and connected to a hinge 76 about a third pivot axis 77 pivotally connected to the holding part 54. On its opposite side, the hinge member 68 is pivotally connected to the hinge member 70 at a hinge 78 about a fourth pivot axis 79.
  • pivot axes 73, 75, 77 and 79 are each defined by the hinge members 64, 66, 68 and 70 1969haltende, not provided with separate reference numerals bearing pin.
  • All four hinge members 64 to 70 lie in a common, vertical plane relative to which the pivot axes 73, 75, 77 and 79 are vertically aligned, i.e., in the vertical direction. These each run horizontally.
  • the Gelenkparallelogramm 62 can be pivoted in the vertical plane, so that the support arm 56 can be pivoted with deformation relative to the holding part 54, about the pivot axes 73 and 77 alike.
  • the holding device 46 further comprises a brush holder 80.
  • the brush holder 80 is pivotally connected to the pivoting arm 56 at the hinge 78 and thereby pivotable relative to the holding arm 56 about the fourth pivot axis 79.
  • the brush holder 80 comprises a holding section 82 which is arranged on the side of the hinge member 70 facing away from the hinge members 66 and 68 and via which the brush holder 80 is mounted on the hinge 78. From the holding portion 82 is in the forward direction of the sweeping vehicle 10, a support portion 84 from.
  • the support portion 84 is inclined with respect to the plane defined by the articulated parallelogram 62, in which the holding portion 82 is arranged, aligned and thus obliquely with respect to a horizontal plane. Further, the support portion 84 is planar and includes a surface normal obliquely to the bottom surface 11 and thus obliquely to the plane defined by the articulated parallelogram 62.
  • the disc brush 26 is rotatably supported, wherein the axis of rotation 86 is aligned parallel to the surface normal of the support portion 84 and obliquely to the bottom surface 11.
  • brush plate 88 of the disc brush 26 is parallel to the support portion 84 and inclined with respect to a horizontal plane.
  • brushes 90 extend the plate brush 26 in the direction of the bottom surface 11. In the Figures 5 and 6 the approximate location of the lowered plate brush 26 relative to the bottom surface 11 is shown. Unlike illustrated, the brushes 90 do not penetrate into the bottom surface 11, but bend slightly over and lie on this, which is not taken into account in the drawing.
  • a drive motor 92 (in the FIGS. 4 to 7 not shown) to drive the disc brush 26 is held about the axis of rotation 86.
  • the sweeping vehicle 10 comprises an adjusting device 94.
  • the adjusting device 94 has an actuator 96 with a drive motor 98th and one of this drivable threaded spindle 100.
  • the drive motor 98 and the threaded spindle 100 form a common structural unit, in which the threaded spindle 100 can be selectively extended or shortened under the action of the drive motor 98.
  • a shaft 102 can be moved out of a socket 103 of the threaded spindle 100 or moved into it.
  • the actuator 96 is disposed between the hinge members 66 and 68 and 64 and 70 in a space enclosed by the articulated parallelogram 62 receiving space 104.
  • a first end of the actuator 96 is slightly obliquely below the Joint 74 held pivotally on the upper joint member 66.
  • the hinge member 66 and the actuator 96 form a hinge 106 which defines a pivot axis 107.
  • an adjusting lever 108 of the adjusting device 94 is arranged and connected to a hinge 109 about a pivot axis 110 pivotally connected to the shaft 102.
  • the adjusting lever 108 further engages the hinge 72, on which the holding part 54 is pivotally connected to the hinge member 66 of the support arm 56 about the first pivot axis 73.
  • the adjusting lever 108 is likewise pivotable about the first pivot axis 73 relative to the holding part 54 and the holding arm 56.
  • the actuator 96 can be controlled by a user to lower the plate brush 26 on the bottom surface 11 or to lift them from this.
  • an operating element 114 can be provided on a control unit 113 arranged near the steering wheel 21, with which a user can trigger the lifting and lowering of the plate brush 26.
  • the control element 114 is connected via the control line 112 to the actuator 96 in operative connection.
  • the actuator 96 is shortened maximum, ie the shaft 102 is retracted as far as possible in the socket 103.
  • the adjusting lever 108 is shaped and dimensioned so that it projects approximately at a right angle from the shaft 102 and is arranged below the joint 72 in the receiving space 104. In this case, the adjusting lever 108 does not contact the holding part 54 on its inner wall facing away from the holding projection 58 and facing the receiving space 104.
  • the actuator 96 is controlled via the control line 112 so that the shaft 102 is extended from the socket 103, the actuator 96 thus extends. This causes the hinge 109 is moved in the direction of the receiving space 104 facing the inner wall of the holding part 54. At the same time, the adjusting lever 108 is pivoted relative to the shaft 102 about the pivot axis 110 and relative to the holding part 54 about the first pivot axis 73.
  • the adjusting lever 108 contacts the holding part 54 with a facing end face 116 (FIG. FIG. 4 ).
  • the end face 116 forms a Verstellanschlagelement 118 of the adjusting device 94.
  • Another Verstellanschlagelement 120 is formed by the receiving space 104 facing inner wall of the holding part 54 ( FIGS. 5 to 7 ).
  • the sweeping vehicle 10 comprises a
  • the coupling device 122 includes a first coupling lever 124.
  • the first coupling lever 124 is pivotally hinged to the top of the holding portion 82 by means of a hinge 125 about a pivot axis 126 on the brush holder 80. It protrudes from the brush holder 80 in the direction of the holding part 54 and extends approximately to below the joint 72, wherein it is angled in the direction of the bottom surface 11.
  • the first coupling lever 124 is pivotally connected to a second coupling lever 128 of the coupling 122, about a pivot axis 130 at a hinge 129.
  • the second coupling lever 128 is also angled and extends towards the upper end of the holding part 54.
  • the second coupling lever 128 is articulated with its end facing away from the joint 129, so that it can also be pivoted about the pivot axis 73. Neighboring the hinge 129, a projection projects from the second coupling lever 128 into the receiving space 104 at right angles, forming a coupling stop element 132 of the coupling device 122.
  • Another coupling stop element 134 is arranged on the adjusting lever 108.
  • the coupling stop element 134 is formed by one of the end sides of the adjusting lever 108, which lie opposite one another at its orthogonal orientation relative to the shaft 102 of the socket 103 ( FIGS. 4 and 5 ).
  • the coupling device 122 has an elastic element 136 in the form of a spring 138.
  • the spring 138 is designed as a leg spring with a first leg 139 which engages on a retaining projection 140 of the hinge member 70, and with a second leg 141 which on a Holding projection 142 on the support portion 84 of the brush holder 80 engages.
  • the spring 138 biases the brush support 80 for rotation about the pivot axis 79 relative to the support arm 56 such that the support portion 82 is biased toward the hinge member 70 and the support portion 84 in a direction away from the hinge member 68 pivoting direction, ie in the FIGS. 5 to 7 clockwise.
  • the coupling stop elements 132 and 134 are arranged at a distance from one another (FIG. FIG. 7 ). Under the action of the spring 138 of the holding portion 82 abuts the hinge member 70. The axis of rotation 86 of the plate brush 26 is aligned obliquely to the bottom surface 11 and points in the direction of the vehicle center plane 19 in the forward direction of the sweeping vehicle 10th
  • the coupling stop members 132 and 134 abut each other and can cooperate.
  • the adjusting lever 108 contacts the projection on the second coupling lever 128.
  • the movement of the shaft 102 transmitted from the adjusting lever 108 to the second coupling lever 128 is transmitted to the first coupling lever 124 and from there to the brush holder 80.
  • the brush holder 80 pivots relative to the coupling lever 124 on the hinge 125 about the pivot axis 126 and further relative to the support arm 56th at the hinge 78 about the pivot axis 79th
  • the plate brush 26 contacts the bottom surface 11 as a result of gravity before the coupling stop members 132 and 134 cooperate with each other. If the brush holder 80 is pivoted, the plate brush 26 is pivoted relative to the chassis 36, specifically about a pivot axis 144 which is parallel to the axis of rotation of the brush holder Swivel axis 79 runs and is also aligned horizontally like this.
  • the pivot axis 144 differs from the pivot axis 79, because the plate brush 26 is supported on the bottom surface 11 during pivoting with the brushes 90. In the Figures 5 and 6 the support is schematically symbolized by the fact that the bottom surface 11 intersects the brush 90, but actually deform under the influence of gravity.
  • the pivot axis 144 extends at a small distance to a center of the brush plate 88, so that the plate brush 26 is pivoted almost stationary with respect to the chassis 36.
  • the brush holder 80 is shaped so that when driving straight ahead of the sweeping vehicle 10 as shown in the Figures 2 and 5 the axis of rotation 86 is inclined in a direction away from the vehicle center plane 19 and pointing in the direction of travel of the sweeping vehicle 10 direction, ie the brush plate 88 is inclined obliquely forward and right of the sweeping vehicle 10 away.
  • the brushes 90 rest on the bottom surface 11 along an approximately kidney-shaped or semi-annular contact region, referred to below as "sweeping mirror" 146.
  • the sweeping mirror 146 is arranged on the basis of the position of the rotation axis 86 at a right front corner region of the sweeping vehicle 10 (FIG. FIG. 2 ). As a result, when driving straight ahead dirt to the right of the base of the sweeping vehicle 10, such as when it is moved along a lateral boundary of the ground surface, are swept in the direction of the vehicle center plane 19. This dirt can then be swept up by means of the sweeping roller 24.
  • the adjusting device 94 comprises a steering input 22 arranged on the steering mechanism 148, which is connected via a signal line 150 to the actuator 96 in operative connection.
  • the control element 96 can be provided with a control signal, so that under the action of the drive motor 98, the shaft 102 is extended out of the socket 103 or retracted into it.
  • the steering angle detecting member 148 is, for example, a rotary encoder, e.g. a potentiometer or a Hall sensor.
  • a stepwise coupling of the steering angle detection member to the steering 22 can be done for example by one or more switches, such as microswitch.
  • the steering angle detecting member 148 is electrically coupled to the actuator 96.
  • a mechanical coupling, a hydraulic or a pneumatic coupling of the actuator 96 and the steering angle detection member 148 is conceivable.
  • the actuator 96 is actuated such that the shank 102 extends out of the socket 103, thereby extending the actuator 96.
  • the adjusting lever 108 thereby deviates with the coupling stop element 134 in the direction of the holding part 54, as has already been explained above with reference to the example of raising the plate brush 26.
  • the brush holder 80 is pivoted relative to the holding arm 56. The pivoting angle of the brush holder 80 is limited by the still cooperating coupling stop members 132 and 134 ( FIG. 6 ).
  • the displacement of the sweeping mirror 146 in the direction of the vehicle center plane 19 with left turn of the steering wheel 21 serves to be able to sweep dirt between the disc brush 26 and the sweeping roller 24 in one direction from the bottom surface 11, so that it can still be absorbed by the sweeping roller 24. Otherwise, due to the distance of the disc brush 26 and the roller brush 24 from each other, a sickle-shaped area of dirt on the bottom surface 11, the so-called "dirt sickle” (not shown), remains without left-hand sweeping of the sweeping mirror 146. Thus can be reduced by the displacement of the sweeping mirror 146 at left turn the size of the dirt sickle.
  • the sweeping vehicle 10 includes the already mentioned auxiliary actuator brush 30.
  • the auxiliary actuator brush 30 When left turning of the steering wheel 21, the auxiliary actuator brush 30 is lowered by means of the combined holding and lifting device 44 to the bottom surface 11. Its axis of rotation 152 is inclined with respect to the vehicle center plane 19, so that its sweeping mirror 154 (in FIG. 3 as well as the sweeping mirror 146 shown in dashed lines) with respect to the vehicle center plane 19 has a concave shape regardless of the impact of the steering wheel 21.
  • the sweeping mirror 154 essentially adjoins the sweeping mirror of the sweeping roller 24 so that the dirt sickle can be completely eliminated by means of the auxiliary actuator brush 30. Above a certain impact of the steering wheel 21, the sweeping mirrors 146 and 154 of the disc brushes 26 and 30 may even slightly overlap for this purpose.
  • the actuator 96 is again actuated via the control line 112 to the effect that the shaft 102 is retracted into the socket 103.
  • the coupling stop members 132 and 134 cooperate to pivot the brush support 80 relative to the support arm 56 such that the support portion 82 pivots away from the hinge member 70. This has the pivoting of the plate brush 26 about the pivot axis 144 and the displacement of the sweeping mirror 146 in the in FIG. 2 shown situation result.
  • a pivoting of the plate brush 26 is possible such that the brush plate 88 with respect to the chassis 36 depending on the impact of the steering 22 can tilt. This allows a demand-driven displacement of the sweeping mirror 146 to improve the cleaning result by reducing the dirt sickle, in addition to the removal of the auxiliary actuator brush 30 is used.
  • the holding device 46 can be pivoted relative to the frame in order to avoid damage to the plate brush 26 when it comes into contact with an obstacle.
  • a return element 156 in FIG Shape of a spiral spring leads the holding device 46 back to the starting position ( Figures 2 and 3 ).
  • a coupling device 122 which is designed to be symmetrical with respect to the coupling device 122 is provided on the plate brush 28 and an adjusting device which is symmetrical to the adjusting device 94 and which also includes the steering angle detection element 148 for detecting the impact of the steering 22.

Landscapes

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

Claims (18)

  1. Véhicule de balayage comprenant une brosse à plateau circulaire (26) pour balayer les crasses d'une surface de sol (11) à nettoyer, ladite brosse à plateau circulaire (26) présentant un plateau circulaire de brosse (88) sur lequel sont maintenues des brosses (90), et pouvant être entraînée en rotation autour d'un axe de rotation (86), comprenant également un dispositif de support (46) pour supporter la brosse à plateau circulaire (26), le dispositif de support (46) présentant une pièce de support (54) et un bras de support (56), qui y est relié de manière pivotante, et le dispositif de support (46) étant maintenu sur le véhicule de balayage (10) par l'intermédiaire de la pièce de support (54) et la brosse à plateau circulaire (26) étant maintenue sur le bras de support (56), ainsi que comprenant un dispositif de réglage (94) qui comprend un organe de réglage (96) de longueur variable agissant sur le bras de support (56), le bras de support (56) pouvant pivoter par rapport à la pièce de support (54) en fonction d'une variation de longueur de l'organe de réglage (96), en vue d'abaisser et de soulever la brosse à plateau circulaire (26), caractérisée en ce que le dispositif de support (46) comporte un support de brosse (80), qui est monté pivotant sur le bras de support (56) et sur lequel est maintenu la brosse à plateau circulaire (26), et en ce que le véhicule de balayage (10) comprend un dispositif de couplage (122) pour coupler le support de brosse (80) au dispositif de réglage (94), le support de brosse (80) pouvant pivoter par rapport au bras de support (56) en fonction d'une variation de longueur de l'organe de réglage (96), en vue de faire pivoter la brosse à plateau circulaire (26) autour d'un axe de pivotement (144) orienté de manière inclinée par rapport à l'axe de rotation (86).
  2. Véhicule de balayage selon la revendication 1, caractérisée en ce que le dispositif de couplage (122) comprend un élément élastique (136) agissant entre le support de brosse (80) et le bras de support (56), à l'encontre de l'action duquel le support de brosse (80) peut pivoter par rapport au bras de support (56).
  3. Véhicule de balayage selon la revendication 1 ou la revendication 2, caractérisée en ce que le dispositif de couplage (122) comprend un premier élément de butée de couplage (132) en liaison active avec le support de brosse (80) et interagissant avec un deuxième élément de butée de couplage (134) en liaison active avec l'organe de réglage (96), pour le pivotement du support de brosse (80) par rapport au bras de support (56) en fonction d'une variation de longueur de l'organe de réglage (96).
  4. Véhicule de balayage selon la revendication 3, caractérisée en ce que le dispositif de couplage (122) comprend un premier levier de couplage (124), qui est relié de manière pivotante au support de brosse (80), ainsi qu'un deuxième levier de couplage (128), qui est relié de manière pivotante au premier levier de couplage (124) et de manière pivotante au dispositif de support (46), et en ce que le premier levier de couplage (124) ou le deuxième levier de couplage (128) comporte le premier élément de butée de couplage (132).
  5. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que le dispositif de réglage (94) comprend un levier de réglage (108), qui est relié de manière pivotante à l'organe de réglage (96), et relié au dispositif de support (46) de façon pivotante.
  6. Véhicule de balayage selon la revendication 5, caractérisée en ce que le levier de réglage (108) comprend le deuxième élément de butée de couplage (134).
  7. Véhicule de balayage selon la revendication 5 ou la revendication 6, caractérisée en ce que le dispositif de réglage (94) comprend un premier élément de butée de réglage (118) agencé sur le levier de réglage (108) et interagissant avec un deuxième élément de butée de réglage (120) agencé sur la pièce de support (54), pour le pivotement du bras de support (56) par rapport à la pièce de support (54), en fonction d'une variation de longueur de l'organe de réglage (96).
  8. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que le dispositif de support (46) forme un parallélogramme articulé (62) comprenant un premier organe d'articulation (64) formé par la pièce de support (54), ainsi que trois organes d'articulation (66, 68, 70) formés par le bras de support (56).
  9. Véhicule de balayage selon la revendication 8, caractérisée en ce que le support de brosse (80) est relié de manière pivotante au bras de support (56), au niveau d'une articulation (78) reliant mutuellement deux organes d'articulation (68, 70).
  10. Véhicule de balayage selon la revendication 8 ou la revendication 9, caractérisée en ce que le parallélogramme articulé (62) définit un plan vertical.
  11. Véhicule de balayage selon l'une des revendications 8 à 10, caractérisée en ce que l'organe de réglage (96) est agencé entre les organes d'articulation (64, 66, 68, 70) du parallélogramme articulé (62).
  12. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que l'axe de rotation (86) est orienté de manière inclinée par rapport à la surface de sol (11), indépendamment de la longueur de l'organe de réglage (96).
  13. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que le dispositif de réglage (94) comprend un organe de relevé du braquage de direction (148) en liaison active avec l'organe de réglage (96), pour relever le braquage d'une direction (22) du véhicule de balayage (10), et en ce que la longueur de l'organe de réglage (96) est réglable en fonction du braquage de la direction (22).
  14. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que le plateau circulaire de brosse (88) peut, en cas de circulation en courbe du véhicule de balayage (10), être incliné en direction d'un milieu de véhicule (19) du véhicule de balayage (10).
  15. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que le véhicule de balayage (10) présente, en se référant à la direction longitudinale du véhicule, une brosse à plateau circulaire auxiliaire (30) agencé derrière la brosse à plateau circulaire (26), ainsi qu'un dispositif de collecte des crasses (25) agencé derrière la brosse à plateau circulaire auxiliaire (30), la brosse à plateau circulaire auxiliaire (30) pouvant être soulevée de la surface de sol (11) lors de la circulation en ligne droite du véhicule de balayage (10), et être abaissée sur la surface de sol (11) en cas de circulation en courbe du véhicule de balayage (10).
  16. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que le véhicule de balayage (10) comprend deux brosses à plateau circulaire (26, 28) de configuration mutuellement symétrique, qui sont agencées sur des côtés mutuellement opposés sur le véhicule de balayage (10).
  17. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce qu'un moteur d'entraînement (92) pour la brosse à plateau circulaire (26) est maintenu sur le support de brosse (80).
  18. Véhicule de balayage selon l'une des revendications précédentes, caractérisée en ce que la pièce de support (54) est montée sur un châssis (38) du véhicule de balayage (10), de manière à pouvoir pivoter autour d'un axe vertical (60).
EP11725478.9A 2011-06-17 2011-06-17 Balayeuse de voirie Not-in-force EP2721219B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/060121 WO2012171580A1 (fr) 2011-06-17 2011-06-17 Balayeuse de voirie

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EP2721219A1 EP2721219A1 (fr) 2014-04-23
EP2721219B1 true EP2721219B1 (fr) 2015-03-11

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EP (1) EP2721219B1 (fr)
JP (1) JP5898308B2 (fr)
KR (1) KR101622331B1 (fr)
CN (1) CN103608521B (fr)
WO (1) WO2012171580A1 (fr)

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KR101622331B1 (ko) 2016-05-31
US9249547B2 (en) 2016-02-02
KR20140041580A (ko) 2014-04-04
JP2014523983A (ja) 2014-09-18
JP5898308B2 (ja) 2016-04-06
CN103608521A (zh) 2014-02-26
EP2721219A1 (fr) 2014-04-23
CN103608521B (zh) 2015-07-01
WO2012171580A1 (fr) 2012-12-20
US20140101874A1 (en) 2014-04-17

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