EP1108092B1 - Unite de nettoyage - Google Patents

Unite de nettoyage Download PDF

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Publication number
EP1108092B1
EP1108092B1 EP00943809A EP00943809A EP1108092B1 EP 1108092 B1 EP1108092 B1 EP 1108092B1 EP 00943809 A EP00943809 A EP 00943809A EP 00943809 A EP00943809 A EP 00943809A EP 1108092 B1 EP1108092 B1 EP 1108092B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
adjustment
hydraulic
rotary brush
control device
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.)
Expired - Lifetime
Application number
EP00943809A
Other languages
German (de)
English (en)
Other versions
EP1108092A1 (fr
Inventor
Mauno Olavi Ruuska
Janko Tuskan
Clemens Rosa
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.)
Aebi Schmidt Deutschland GmbH
Patria Vammas Oy
Original Assignee
Schmidt Holding GmbH
Patria Vammas Oy
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 Schmidt Holding GmbH, Patria Vammas Oy filed Critical Schmidt Holding GmbH
Publication of EP1108092A1 publication Critical patent/EP1108092A1/fr
Application granted granted Critical
Publication of EP1108092B1 publication Critical patent/EP1108092B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01H1/056—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes

Definitions

  • the present invention relates to a sweeping unit for Attachment to a carrier vehicle or a trailer, comprising a support frame and at least one in it their longitudinal axis rotatably, motor-driven Roller brush, the support frame having support wheels, their vertical distance from the axis of the roller brush can be changed by means of an adjustment unit, which at least one hydraulic adjusting cylinder and one Control unit includes.
  • Sweeping units of the type specified above are in various designs known, for example from European patent 0372258 and German Publication 3740215. Also known Sweeping units, which are essentially generic Have structure, but differ from it in that that the hydraulic adjusting cylinder is not is set via a control unit, but rather Is part of a hydraulic control loop and that about it in addition, the support frame does not have support wheels; Such sweeping units are, for example, the German Laid-open documents 2455200 and 2821627 and the European patent applications 0189371 and 0843047 removable.
  • the present invention aims at the present invention to a sweeping unit of the generic type create, with which the optimal sweeping mirror with a high degree of accuracy.
  • this object solved in that with the at least one adjusting cylinder a feed cylinder is hydraulically connected, its piston or other signal transmitter with a counting and / or Position measuring device, whose signal to the control unit is switched, or a mechanical adjustment drive is connected and that with the at least an adjusting cylinder communicating hydraulic Working area has a smaller cross-sectional area than the at least one adjustment cylinder.
  • the feed cylinder serves the volumetric Measuring the hydraulic fluid to the minimum an adjusting cylinder that the delivery movement of at least one adjusting cylinder from a reference position in its the optimal sweeping mirror width corresponding working position corresponds.
  • the reference position can be different characteristic Positions of the roller brush relative to that to be cleaned Surface, referring to which the Control device that delivery movement of at least calculated an adjustment cylinder which is required around the roller brush in its by the optimal Sweeping mirror width marked working position bring. It is particularly preferred as a reference position the ground contact position of the roller brush and the corresponding position of the at least one Adjusting cylinder used because in this way the Bristle wear is automatically compensated (see below).
  • a bypass line is particularly preferred to the feed cylinder, since the latter is only for the exact lowering of the roller brush from its ground contact position is needed in their working position. Neither when lowering the roller brush into its ground contact position you still need to lift the roller brush a volumetric determination of the at least one Adjusting cylinder supplied or out of this Volume of hydraulic fluid.
  • the above explained design of the hydraulic system with a Feed cylinder results in a particularly exact Setting option for the at least one adjusting cylinder.
  • the feed cylinder on the Piston of the feed cylinder is a mechanical adjustment drive acts so that the feed cylinder itself the Functions as a pump.
  • the feed cylinder between a hydraulic pump and the at least one adjusting cylinder switched. He runs in this case, with the volume of the at least one adjustment cylinder supplied hydraulic fluid by the number of strokes of the feed cylinder and / or - in the case of incomplete strokes - the path of the Piston of the feed cylinder is determined.
  • the Invention is a drive torque or drive power the roller brush or one coupled to it Size detecting sensor provided, the signal on the control unit is switched, the control unit being the working position corresponding to the optimal sweeping mirror width of the adjusting element as a function of the Lowering the roller brush by a sudden Rise of the sensor signal marked ground contact position of the adjusting member determined.
  • the control unit includes one corresponding compensation circuit, for example in Form of a characteristic curve that shows the infeed movement, i.e. the Difference between working position and ground contact position of the adjusting element, depending on the indicates the actual diameter of the roller brush.
  • the latter can be done directly from the ground contact position derive from the adjusting element, thereby on the support wheels on the surface to be cleaned - each roller brush diameter has exactly one contact with the ground of the adjusting element corresponds.
  • Diameter of the roller brush which is also the position the roller brush relative to the support frame in the ground contact position the roller brush can evaluate in can be used in the same way.
  • the decisive factor is that the diameter of the roller brush not - measured directly via sensors - but instead rather from the position of the roller brush at the moment of their ground contact, and thus indirectly using them of the signal from the ground contact sensor is derived.
  • the sweeping unit illustrated in the drawing includes a roller brush 1, which is within a support frame 2 its axis 3 rotatably and by a hydraulic motor 4 is driven.
  • the support frame 2 in turn comprises two hydraulic elements forming the adjusting elements V.
  • Adjustment cylinders 5 and 6 the piston rod each of the two hydraulic adjustment cylinders with each a support wheel 7 or 8 is connected.
  • the - only schematically illustrated - technical-constructive Design is such that by means of Adjustment cylinders 5 and 6 the vertical distance between the support wheels 7, 8 and the axis 3 of the roller brush 1 is changeable. Such constructions are adequate known, so that for a more detailed explanation can be dispensed with.
  • the sweeping unit itself is by means of a - not shown - support arrangement on a carrier vehicle suspended.
  • the carrying arrangement allows lifting the sweeping unit in a transport position and lowering the sweeping unit in a working position in which the Jockey wheels 7 and 8 on the surface to be cleaned roll. This is also part of the state of the art and therefore requires no explanation at this point.
  • the function of the sweeping unit is controlled by a control unit 9 controlled. This is via a control line 10 in connection with the operating point 11. Will over one corresponding switch 12 at operating point 11 Sweeping unit put into operation, so run within the hydraulics controlled by the controller 9 the following Steps from:
  • valves 13 and 14 are in from their locked position their flow position switched, the control valve 15 will move from its locked position to its crossover position switched in which there are connections P and B on the one hand and A and T on the other hand connects, and the Pump 16 is started up. That way the hydraulic working spaces 17, 18 of the adjusting cylinders 5 and 6 filled with hydraulic fluid, and the Piston rods of the adjustment cylinders are under Displacement in the hydraulic work rooms 19 and 20 existing hydraulic fluid via the valve 14 and the back pressure valve 21 in the sump 22 in their maximum position extended.
  • valves 27 and 28 in their Flow position switched. This way Hydraulic fluid via the pump 16 and the as before control valve switched in crossover position 15 in the hydraulic working spaces 19 and 20 of the adjusting cylinders 5 and 6. Their piston rods slowly retract, the hydraulic working rooms 17 and 18 existing hydraulic fluid via the (open) Valve 28 and the back pressure valve 21 in the sump 22nd is ousted. This leads to a gradual lowering the brush roller 1 in the direction of the to be cleaned Surface.
  • the number of strokes of the feed cylinder 24 that do so are required, the roller brush 1 from its ground contact position to bring them into their working position depend in particular on the hydraulic reduction ratio between the feed cylinder 24 and the Adjusting cylinders 5 and 6.
  • the piston rod of the feed cylinder 24 acts on a counter Z in the form of a pulse counter 31, which is connected to the control unit 9.
  • the control unit 9 Corresponds to the number determined by the pulse counter 31 of strokes the value specified by the control unit 9, are all valves 13, 14, 27 and 28 and the Control valve 15 closed and the hydraulic pump 16 off.
  • valves 13 and 14 take place 27 and 28 can be controlled. This way a fine adjustment lifting process. This allows external Interference that does not change too quickly is simple be compensated.
  • the plow affects with its weight, the geometry of the vehicle frame is very strong related to the road surface and corresponding to the Sweeping level.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Vehicle Body Suspensions (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polarising Elements (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Harvester Elements (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Claims (6)

  1. Unité de balayage destinée à être installée sur un véhicule porteur ou sur une remorque, comprenant un châssis de support (2) et au moins une brosse cylindrique (1) montée rotative autour de son axe longitudinal (3) sur ledit châssis et entraínée par un moteur, le châssis de support (2) comportant des roues d'appui (7, 8), dont la distance verticale par rapport à l'axe (3) de la brosse cylindrique (1) peut être modifiée à l'aide d'une unité de réglage comprenant au moins un vérin hydraulique (5, 6) de réglage et un appareil de commande (9), caractérisée en ce qu'au vérin hydraulique (5, 6) de réglage, au nombre d'au moins un, est connecté un vérin hydraulique (24) d'alimentation, dont le piston ou un transmetteur de signal autre est relié à un dispositif de comptage et/ou de mesure de course (Z), dont le signal est envoyé à l'appareil de commande (9), ou est relié à une commande de réglage mécanique, et dont la chambre de travail (23) hydraulique communiquant avec le vérin de réglage au nombre d'au moins un présente une surface en section transversale plus petite que le vérin de réglage au nombre d'au moins un.
  2. Unité de balayage selon la revendication 1, caractérisée en ce que le vérin d'alimentation (24) est connecté entre une pompe hydraulique (16) et le vérin de réglage (5, 6) au nombre d'au moins un.
  3. Unité de balayage selon la revendication 1 ou 2, caractérisée en ce qu'il est prévu, entre la pompe hydraulique (16) et le vérin d'alimentation (24), une vanne de commutation (15) qui permet une alimentation directe du vérin de réglage (5, 6), au nombre d'au moins un, en contournant le vérin d'alimentation (24).
  4. Unité de balayage selon une des revendications 1 à 3, caractérisée en ce qu'il est prévu un capteur (S), qui mesure le couple d'entraínement ou la puissance d'entraínement de la brosse cylindrique (1) ou une grandeur couplée à celle-ci, dont le signal est transmis à l'appareil de commande (9), l'appareil de commande (9) déterminant la position de travail de l'organe de réglage (V) correspondant à la largeur de balayage optimale en fonction de la position de contact avec le sol de l'organe de réglage (V) caractérisée par une augmentation brusque du signal de capteur.
  5. Unité de balayage selon la revendication 4, caractérisée en ce qu'il est prévu un dispositif de mesure pour déterminer le diamètre de la brosse cylindrique (1), le signal de diamètre étant transmis à l'appareil de commande (9).
  6. Unité de balayage selon la revendication 6, caractérisée en ce qu'une courbe caractéristique pour l'avance dépendante du diamètre réel de la brosse cylindrique (1) du vérin de réglage (5, 6), au nombre d'au moins un, de sa position de contact avec le sol jusqu'à sa position de travail, est mémorisée dans l'appareil de commande (9).
EP00943809A 1999-06-17 2000-06-15 Unite de nettoyage Expired - Lifetime EP1108092B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19927593A DE19927593C1 (de) 1999-06-17 1999-06-17 Kehraggregat
DE19927593 1999-06-17
PCT/EP2000/005487 WO2000079059A1 (fr) 1999-06-17 2000-06-15 Unite de nettoyage

Publications (2)

Publication Number Publication Date
EP1108092A1 EP1108092A1 (fr) 2001-06-20
EP1108092B1 true EP1108092B1 (fr) 2004-04-21

Family

ID=7911512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00943809A Expired - Lifetime EP1108092B1 (fr) 1999-06-17 2000-06-15 Unite de nettoyage

Country Status (9)

Country Link
US (1) US6681433B1 (fr)
EP (1) EP1108092B1 (fr)
AT (1) ATE264947T1 (fr)
CA (1) CA2341030A1 (fr)
DE (2) DE19927593C1 (fr)
NO (1) NO332295B1 (fr)
PL (1) PL346044A1 (fr)
RU (1) RU2250293C2 (fr)
WO (1) WO2000079059A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7028925B2 (en) 2003-05-14 2006-04-18 Castle Rock Industries, Inc. Spray gun for use with an all surface cleaning apparatus
US7533435B2 (en) 2003-05-14 2009-05-19 Karcher North America, Inc. Floor treatment apparatus
USD654234S1 (en) 2010-12-08 2012-02-14 Karcher North America, Inc. Vacuum bag
US8302240B2 (en) 2009-07-29 2012-11-06 Karcher North America, Inc. Selectively adjustable steering mechanism for use on a floor cleaning machine
USD693529S1 (en) 2012-09-10 2013-11-12 Karcher North America, Inc. Floor cleaning device
US8887340B2 (en) 2003-05-14 2014-11-18 Kärcher North America, Inc. Floor cleaning apparatus
US8978190B2 (en) 2011-06-28 2015-03-17 Karcher North America, Inc. Removable pad for interconnection to a high-speed driver system

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7120961B2 (en) * 2002-09-06 2006-10-17 Tennant Company Brush wear adjustment system and method
DE102007023578A1 (de) * 2007-05-21 2008-11-27 Fraport Ag Frankfurt Airport Services Worldwide Kehrvorrichtung
US9493921B2 (en) * 2013-03-15 2016-11-15 Oshkosh Corporation Snow removal truck broom systems and methods
US12139865B2 (en) * 2014-09-29 2024-11-12 Keith E. Smith Floating brush sweeper
WO2018202301A1 (fr) 2017-05-04 2018-11-08 Alfred Kärcher SE & Co. KG Appareil de nettoyage des sols et procédé pour nettoyer la surface d'un sol
RU190156U1 (ru) * 2018-12-17 2019-06-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный автомобильно-дорожный университет (СибАДИ)" Коммунальная машина
USD907868S1 (en) 2019-01-24 2021-01-12 Karcher North America, Inc. Floor cleaner

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
DE2455200A1 (de) * 1974-11-21 1976-05-26 Kibo Kommunalmasch Gmbh & Co Regelungsanordnung
DE2821627A1 (de) * 1978-05-18 1979-11-22 Siegfried Kugelmann Hoehenfuehrung der buerstenwalze und/oder tellerbuerste einer strassenreinigungsmaschine
US4525888A (en) * 1983-09-09 1985-07-02 Fmc Corporation Maintaining constant pick-up broom pattern
ATE43665T1 (de) * 1985-01-23 1989-06-15 Reberle Reg Treuunternehmen Sc Schneeraeumungsmaschine.
FI74504C (fi) * 1986-12-01 1988-02-08 Rahtikone Oy Rengoeringsanordning foer vaeg, flygfaelt el.dyl. underlag.
EP0526907B1 (fr) 1988-12-07 1994-11-30 Bucher-Schörling GmbH Procédé et dispositif de réglagle d'une largeur de balayage présélectionnée d'un balai rotatif cylindrique
SU1751252A2 (ru) * 1989-12-05 1992-07-30 И.И. Кравченко Подвеска рабочего органа подметально-уборочной машины
US5295277A (en) * 1992-12-14 1994-03-22 Tennant Company Convertible sweeper
US5369832A (en) 1993-08-09 1994-12-06 Hagger; Anthony R. Bucket mounted sweeper
US5426805A (en) 1993-08-24 1995-06-27 Waldon, Inc. Walk-behind self-propelled broom sweeper
ATE190686T1 (de) * 1996-11-18 2000-04-15 Schmidt Holding Europ Gmbh Kehraggregat zum anbau an einem trägerfahrzeug oder einem anhänger

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8528142B1 (en) 2003-05-14 2013-09-10 Karcher North America, Inc. Floor treatment apparatus
US9015887B1 (en) 2003-05-14 2015-04-28 Kärcher North America, Inc. Floor treatment apparatus
US9510721B2 (en) 2003-05-14 2016-12-06 Karcher North America, Inc. Floor cleaning apparatus
US8245345B2 (en) 2003-05-14 2012-08-21 Karcher North America, Inc. Floor treatment apparatus
US9192276B2 (en) 2003-05-14 2015-11-24 Karcher North America, Inc. Floor cleaning apparatus
US8438685B2 (en) 2003-05-14 2013-05-14 Karcher North America, Inc. Floor treatment apparatus
US8887340B2 (en) 2003-05-14 2014-11-18 Kärcher North America, Inc. Floor cleaning apparatus
US9451861B2 (en) 2003-05-14 2016-09-27 Kärcher North America, Inc. Floor treatment apparatus
US7533435B2 (en) 2003-05-14 2009-05-19 Karcher North America, Inc. Floor treatment apparatus
US7028925B2 (en) 2003-05-14 2006-04-18 Castle Rock Industries, Inc. Spray gun for use with an all surface cleaning apparatus
US8302240B2 (en) 2009-07-29 2012-11-06 Karcher North America, Inc. Selectively adjustable steering mechanism for use on a floor cleaning machine
USD654234S1 (en) 2010-12-08 2012-02-14 Karcher North America, Inc. Vacuum bag
US8978190B2 (en) 2011-06-28 2015-03-17 Karcher North America, Inc. Removable pad for interconnection to a high-speed driver system
USD693529S1 (en) 2012-09-10 2013-11-12 Karcher North America, Inc. Floor cleaning device

Also Published As

Publication number Publication date
US6681433B1 (en) 2004-01-27
ATE264947T1 (de) 2004-05-15
WO2000079059A1 (fr) 2000-12-28
DE50006141D1 (de) 2004-05-27
NO332295B1 (no) 2012-08-20
DE19927593C1 (de) 2001-04-19
EP1108092A1 (fr) 2001-06-20
CA2341030A1 (fr) 2000-12-28
NO20010750D0 (no) 2001-02-14
NO20010750L (no) 2001-04-11
RU2250293C2 (ru) 2005-04-20
PL346044A1 (en) 2002-01-14

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