EP1571261B1 - Kehrvorrichtung - Google Patents

Kehrvorrichtung Download PDF

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Publication number
EP1571261B1
EP1571261B1 EP20050290483 EP05290483A EP1571261B1 EP 1571261 B1 EP1571261 B1 EP 1571261B1 EP 20050290483 EP20050290483 EP 20050290483 EP 05290483 A EP05290483 A EP 05290483A EP 1571261 B1 EP1571261 B1 EP 1571261B1
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EP
European Patent Office
Prior art keywords
brushing machine
machine
brush
rotary brush
brushing
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.)
Active
Application number
EP20050290483
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English (en)
French (fr)
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EP1571261A1 (de
Inventor
Arnaud Miossec
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.)
Emily SAS
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Emily SAS
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Application filed by Emily SAS filed Critical Emily SAS
Publication of EP1571261A1 publication Critical patent/EP1571261A1/de
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Publication of EP1571261B1 publication Critical patent/EP1571261B1/de
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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
    • E01H1/04—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
    • E01H1/045—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading the loading means being a rotating brush with horizontal axis
    • 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 brushing machine intended to be moved on a surface for cleaning, the machine comprising a pair of hinged flanges mounted between which is mounted a rotary cleaning brush adapted to be rotated through a hydraulic motor, the flanges being driven by means of at least one hydraulic cylinder adapted to change the position of the rotary brush relative to said machine.
  • the brush finishes, over time, to wear so that its outer diameter decreases progressively resulting in a corollary a gradual decrease in the cleaning efficiency.
  • Such a brushing machine may thus comprise a cradle mounted to be hinged to the frame of the machine for floatingly supporting the rotating brush against a spring.
  • the brushing machine can still, as described in the document EP-A-1 152 089 , comprise an articulated arm on the frame of the machine and which supports at its free end the axis of the brush driven by an electric motor.
  • An electric jack assisted by a spring device, is mounted on the machine so as to change the inclination of the arm and therefore the height position of the brush relative to the ground on which the machine rests.
  • a sensor of the current consumption of the electric motor for driving the brush and a control unit are provided in the machine to control the operation of the electric jack adapted to move the articulated arm.
  • the instantaneous intensity of the current consumed by the electric motor is within a predetermined range, only the spring device acts to apply a pressing force on said brush.
  • the control unit of the machine controls the operation of the electric cylinder so that it can lower the brush or raise it.
  • the compensation device of this machine may be able to raise and lower the brush automatically, the force exerted by the spring device on the brush is not constant over the stroke of the device, so that the cleaning efficiency is not constant. Furthermore, there is a sudden reactivity of the movement of the articulated arm generated by the operation of the electric actuator operating by pulses.
  • a brushing machine intended to be moved on a surface for cleaning, the machine comprising a pair of flanges hingedly mounted on said machine and between which is mounted a rotary cleaning brush adapted to be driven into rotation by means of a hydraulic motor, the flanges being driven by means of at least one hydraulic jack adapted to modify the position of the rotary brush relative to the machine, said machine being remarkable in that the circuit of the hydraulic motor is connected respectively to the upstream and downstream chambers of said or each hydraulic cylinder so that said or each hydraulic jack can apply the rotating brush on the surface to be cleaned by exerting on it a force of constant intensity in a particular range of pressure measured in the intake circuit of the hydraulic motor.
  • the rotating brush can follow automatically and flexibly the relief of the surface to be cleaned during the movement of the brushing machine on said surface.
  • the surface cleaning efficiency is increased and the wear of the brush is reduced compared to the services provided by known brushing machines.
  • the machine adapts automatically, during its operation, to the diameter of the brush that it uses or to its degree of wear, as well as to the asperities of the ground.
  • a distributor is connected to the feed circuit of the downstream chamber of said or each hydraulic cylinder, the distributor being provided with a pre-actuator with a threshold control.
  • fluid pressure which is connected to the intake circuit of the hydraulic motor so that the elevation of the pressure in the intake circuit of the hydraulic pump beyond a determined threshold can control the piloting of the distributor so as to that the downstream chamber of said or each hydraulic cylinder can be placed in communication with the intake circuit of the hydraulic motor to raise the rotating brush.
  • the brush is thus automatically positioned in a release position when it encounters an obstacle or when it is overloaded.
  • an adjustment means is provided on the pre-actuator to modify the pressure threshold causing its triggering.
  • the distributor is a proportional distributor.
  • the brushing machine is provided with a control member, located in the cabin of an engine for maneuvering it, and which makes it possible to act on the operating pressure of said or of each hydraulic cylinder. In this way, it is possible to act on the application pressure of the brush on the surface to be cleaned.
  • the machine is provided with a torsion limiting device intended to limit the angular offset between the two flanges during operation of said brushing machine.
  • the torsion limiting device consists of a pair of toothed wheels meshing respectively with racks made on one of the edges of the flanges and which are connected by means of a torsion shaft.
  • the machine is provided with handling devices intended to allow a self-propelled land vehicle to push, pull or lift.
  • the rotary brush is provided with a hollow hub fixed at its ends to the flanges by means of plates.
  • the hollow hub advantageously has a polygonal section and around which is threaded the rotating brush and at least one vertex has a groove adapted to receive a lug provided in a hollow tube constituting the rotating brush to allow its driving in rotation.
  • the hollow hub is internally provided, and at one end, a shaft held by a rolling means, mounted in a sleeve of a plate, its other end being provided with a drive nut in which is mounted a splined shaft of the hydraulic motor fixed in a sleeve of the other plate for rotating the rotating brush, the shaft passing through the hollow hub so that its other end can be accommodated in the drive nut.
  • the machine is provided with a first scraper mounted between the rotating brush and the collection device to improve the separation of dirt retained on the rotating brush to allow their ejection into the collection device.
  • the scraper also optimizes the scraping of the brush by preventing pile formation when the brush is raised.
  • the first scraper consists of a rectangular blade fixed between a pair of plates and one edge can be positioned so as to tangentially the bristles of the rotating brush.
  • the machine is provided with a second scraper disposed inside the brushing machine to allow the automatic cleaning of the rotating brush when the brushing machine is lifted by the machine and that the rotating brush is rotated by its drive motor.
  • the machine is provided with at least one additional brush.
  • the brushing machine 100 shown in Figs. 1 and 2 is intended to be driven by a self-propelled land vehicle such as an agricultural tractor on a surface to be cleaned, for example a roadway, to remove soil that may have deposited on said surface. It is provided with a frame 110 supported by wheels 112 capable of allowing the machine 100 to move on said surface by the machine.
  • a self-propelled land vehicle such as an agricultural tractor
  • wheels 112 capable of allowing the machine 100 to move on said surface by the machine.
  • the chassis 110 consists of two parts A and B articulated to each other by means of a hinge 114.
  • the part A mainly comprises a rotary brush 130 which is designed to remove frictionally dirt on a surface to be cleaned, while the part B mainly comprises a dirt collection device 150 such as a tray.
  • the two parts A and B are movable, under the action of an operating means 120, between a working position of the brushing machine 100 where the part A communicates directly with the part B, as it appears in FIG. Fig.4 , so that the rotating brush 130 can, during its rotation, projecting the dirt in the tray 150, and an open position of said machine visible to the Fig. 8 allowing the emptying of the tray 150, the internal cleaning of the brushing machine 100.
  • the operating means 120 is advantageously constituted to the Figs. 1 and 2 by a pair of hydraulic cylinders taking on joints provided respectively on the two parts A and B.
  • Part A thus consists of two lateral flanks 116 joined by an upper wall 117 and between which the rotary brush 130 is mounted.
  • Part B also consists of two lateral flanks 118 joined by a bottom 119, the lateral flanks 118 or the bottom 119 constituting the tank 150.
  • the parts A and B are open at their junction zone so that the dirt recovered by the rotary brush 130 can be transferred to the tank 150 of the part B when the two parts A and B are positioned in the working position of the brushing machine 100.
  • the frame 110 comprises handling members 122, such as transverse bars arranged at the ends of the parts A and / or B, between their respective lateral sides 116 and 118 to allow the machine to push said brushing machine 100, the pull and possibly lift it so that it can not touch the ground so that it can be moved quickly, to empty the tank 150 or clean it internally.
  • handling members 122 such as transverse bars arranged at the ends of the parts A and / or B, between their respective lateral sides 116 and 118 to allow the machine to push said brushing machine 100, the pull and possibly lift it so that it can not touch the ground so that it can be moved quickly, to empty the tank 150 or clean it internally.
  • a cradle 124 allowing attachment to a machine provided with lifting means can be associated in a floating manner with the handling members 122 so that the machine can push or pull the brushing machine 100 so that it can rest on the ground by its wheels 112 only under the effect of its own mass.
  • the cradle 124 is designed, however, to allow the machine to lift the brushing machine 100.
  • the cradle 124 advantageously comprises a frame 125 attached to two handling members 122 and traversed transversely by two floating bars mounted in lights 126 of a set of plates 127 adapted to be fixed on the machine.
  • a pair of flanges 160 is hingedly mounted by means of hinges 162 provided respectively on the flanks 116 of the part A, to pivotably support the rotary brush 130.
  • the flanges 160 are preferably mounted on the faces. outer flanks 116 of part A, as shown in this Fig. 2 .
  • the rotary brush 130 is provided with a hollow hub 132 fixed at its ends to the flanges 160 by means of plates 180, 180 '.
  • Each plate 180, 180 ' consists of a sleeve 182, 182' fixed against a flange 160 and mounted in one end of the hollow hub 132 to support rotation.
  • the hollow hub 132 is thus provided internally, and at one end, with a shaft 184 held by a rolling means R, such as a ball bearing, mounted in the sleeve 182 of the plate 180, while its other end is provided with a drive nut 186 in which is mounted the spline shaft of a drive means 140 such as a hydraulic motor, fixed in the sleeve 182 'of the other plate 180', for the rotational drive of the rotary brush 130.
  • a drive means 140 such as a hydraulic motor
  • the hollow hub 132 advantageously has a polygonal section, for example a hexagon, and around which is threaded the rotating brush and at least one vertex has a groove 132 adapted to receive a lug 136 provided in a hollow tube 138 constituting the rotating brush 130.
  • An operating means 170 such as a pair of hydraulic cylinders, is used to move the rotary brush 130 between a working position where it can be placed on the surface to be cleaned as shown in FIG. Fig. 2 and a release position where it is retracted into part A as shown in Fig. 8 .
  • each jack 170 is articulated to this effect, on the one hand, on a first articulation 172 provided on each sidewall 116 and, secondly, on a second articulation 174 provided on each flange 160.
  • the joints 172 are common to those used by the hydraulic cylinders of the operating means 120 to open the brushing machine 100.
  • each jack 170 can act independently on one end of the hollow hub 132, so that the brush rotary 130 may be laterally inclined to, for example, dislodge soil deposited in a rut of a road on which the brushing machine is moved.
  • the brushing machine 100 may be provided with a torsion limiting device 200, shown at Fig. 2 , and intended to limit the angular offset between the two flanges 160 during operation of said brushing machine 100.
  • the torsion limiting device 200 advantageously consists of a pair of gear wheels 210 meshing respectively on racks 212 made on the one of the edges of the flanges 160 and which are connected by means of a torsion shaft 214 supported by bearings passing through the lateral flanks 118 of the part B.
  • the angular offset of the flanges 160 is thus limited by the torsion of the torsion shaft 214 during operation of the brushing machine 100.
  • a first scraper 230 visible to the Fig. 4 is mounted between the rotating brush 130 and the tray 150.
  • It advantageously consists of a rectangular blade fixed between a pair of plates mounted free to pivot along an axis parallel to that of the rotary brush 130 being disposed in the lower part of the part A.
  • the positioning of the blade is such that one of its edges can be arranged so that it can tangentially the bristles of the rotary brush 130.
  • a clamping device such as bolts, can clamp the pair of plates against the flanges 116 in position.
  • a second scraper 240 is disposed inside the part A, in its lower and front part, to allow the automatic cleaning of the rotary brush 130 when the brushing machine 100 is lifted from the ground by the machine and the brush
  • the second scraper 240 also optimizes the operation of the rotary brush 130 and also makes it possible to limit the formation of a pile under the machine after stopping the operation of the brush.
  • the second scraper 240 is made up of Fig. 4 a rectangular blade disposed parallel to the axis of the rotary brush 130.
  • the brushing machine 100 may be provided with at least one additional brush 250, advantageously driven by a hydraulic motor, and fixed on a flank 116 of the part A.
  • Positioning means such as a plurality of orifices can clamp said or each additional brush in a suitable position, for example to clear curbs of curbs.
  • FIG. 5 the hydraulic diagram for connecting the operating and driving members of a brush of a brushing machine.
  • a distributor T1 for example a 4/2 type distributor, is provided on a machine N handling the brushing machine for dispensing hydraulic fluid under pressure to different hydraulic members of said brushing machine.

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

Claims (16)

  1. Kehrvorrichtung (100), dazu bestimmt über eine Oberfläche geschoben zu werden, um sie zu reinigen, enthaltend ein Paar Flansche (160), die gelenkig an der Vorrichtung montiert sind und zwischen welchen eine sich drehende Reinigungsbürste (130) montiert ist, die geeignet ist, mittels eines Hydraulikmotors (140) in Drehung versetzt zu werden, wobei die Flansche (160) mittels mindestens einem Hydraulikzylinder (170) bewegt werden, der fähig ist, die Position der sich drehenden Bürste (130) relativ zu der Vorrichtung zu verändern, dadurch gekennzeichnet, dass der Auslasskreis des Hydraulikmotors (140) jeweils mit den vor- und nachgeschalteten Kammern des oder jedes Hydraulikzylinders (170) so verbunden ist, dass der oder jeder Hydraulikzylinder (170) die sich drehende Bürste auf der zu reinigenden Oberfläche aufsetzen kann, indem er auf sie in einem bestimmten Druck- (R) Bereich (G) eine Kraft von konstanter Intensität ausübt, die im Einlasskreis des Hydraulikmotors (140) gemessen wird.
  2. Kehrvorrichtung (100) nach Anspruch 1, dadurch gekennzeichnet, dass ein Verteiler (T2) an den Einspeisekreis der nachgeschalteten Kammer des oder jedes Hydraulikzylinders (170) angeschlossen ist, wobei der Verteiler (T2) mit einem vorgeschalteten Stellglied (P) zum Regeln des Fluiddruckschwellenwerts ausgestattet ist, das so mit dem Einlasskreis des Hydraulikmotors (140) verbunden ist, dass die Erhöhung des Drucks im Einlasskreis des Hydraulikmotors (140) über den festgelegten Schwellenwert hinaus die Regelung des Verteilers (T2) betätigen kann, damit die nachgeschaltete Kammer des oder jedes Hydraulikzylinders (170) mit dem Einlasskreis des Hydraulikmotors verbunden werden kann, um die sich drehende Bürste (130) wieder anzuheben.
  3. Kehrvorrichtung (100) nach Anspruch 2, dadurch gekennzeichnet, dass eine Reglereinrichtung auf dem vorgeschalteten Stellglied (P) vorgesehen ist, um den Druckschwellenwert zu modifizieren, der sein Auslösen herbeiführt.
  4. Kehrvorrichtung (100) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass mit dem Auslösen des vorgeschalteten Stellglieds (P) ein Alarm verbunden ist.
  5. Kehrvorrichtung (100) nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, dass der Verteiler (T2) ein Proportionalverteiler ist.
  6. Kehrvorrichtung (100) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass sie mit einem Befehlsgeber ausgestattet ist, der sich in der Kabine ihres Betätigungsgeräts befindet und der es gestattet, auf den Betriebsdruck des oder jedes Hydraulikzylinders (170) einzuwirken.
  7. Kehrvorrichtung (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie zwei Teile (A) und (B) umfasst, die gelenkig miteinander verbunden sind, wobei der Teil (A) die sich drehende Bürste (130) enthält und der Teil (B) eine Einrichtung zum Aufsammeln von Schmutz (150) enthält, wobei ein Betätigungsmittel (120) vorgesehen ist, um den Teil (A) relativ zum Teil (B) zwischen einer Arbeitsstellung der Kehrvorrichtung (100), in der die sich drehende Bürste (130) fähig ist, den Schmutz in die Sammeleinrichtung (150) zu schleudern, und einer Öffnungsstellung der Maschine zu verschieben, die das Leeren der Sammeleinrichtung (150) gestattet.
  8. Kehrvorrichtung (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mit einer Torsionsbegrenzungseinrichtung (200) ausgestattet ist, die dazu bestimmt ist, den Winkelversatz zwischen den zwei Flanschen (160) während des Betriebs der Kehrvorrichtung (100) zu begrenzen.
  9. Kehrvorrichtung (100) nach Anspruch 8, dadurch gekennzeichnet, dass die Torsionsbegrenzungseinrichtung (200) aus einem Paar von Zahnrädern (210) besteht, die jeweils in Verzahungen (212) eingreifen, die an den Kanten der Flansche (160) ausgeführt sind und die mittels einer Torsionswelle miteinander verbunden sind.
  10. Kehrvorrichtung (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mit Transportorganen (122) ausgestattet ist, die dazu bestimmt sind, einem auf dem Boden selbstfahrenden Gerät zu gestatten, sie zu schieben, zu ziehen oder hochzuheben.
  11. Kehrvorrichtung (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die sich drehende Bürste (130) mit einer hohlen Nabe (132) ausgestattet ist, die an ihren Enden an den Flanschen (160) mittels Platten (180, 180') befestigt ist.
  12. Kehrvorrichtung (100) nach Anspruch 11, dadurch gekennzeichnet, dass die hohle Nabe (132) innen und an einem Ende mit einer Welle (184) ausgestattet ist, die von einem Lagermittel (R) gehalten wird, das in einer Muffe (182) einer Platte (180) montiert ist, wobei ihr anderes Ende mit einer Mitnehmermuffe (186) ausgestattet ist, in der eine Keilwelle des Hydraulikmotors (140) montiert ist, der in einer Muffe (182') der anderen Platte (180') befestigt ist, um die drehbare Bürste (130) in Drehung zu versetzen, wobei die Welle (184) die hohle Nabe (132) durchquert, damit ihr anderes Ende in der Mitnehmermuffe (186) gehalten werden kann.
  13. Kehrvorrichtung (100) nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass ein erster Abstreifer (230) zwischen der sich drehenden Bürste (130) und der Sammeleinrichtung (150) montiert ist, um die Abtrennung des auf der sich drehenden Bürste (130) zurückgehaltenen Schmutzes zu verbessern, um dessen Auswerfen in die Sammeleinrichtung (150) zu gestatten.
  14. Kehrvorrichtung (100) nach Anspruch 13, dadurch gekennzeichnet, dass der erste Abstreifer (230) aus einer rechteckigen Klinge gebildet wird, die zwischen einem Paar von Platten befestigt ist und deren eine Kante so positioniert werden kann, dass sie die Borsten der sich drehenden Bürste (130) tangential berührt.
  15. Kehrvorrichtung (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein zweiter Abstreifer (240) im Inneren der Kehrvorrichtung (100) angeordnet ist, um die automatische Reinigung der sich drehenden Bürste (130) zu gestatten, wenn die Kehrvorrichtung (100) vom Gerät hochgehoben wird und die sich drehende Bürste (100) durch ihren Antriebsmotor (140) in Drehung versetzt wird.
  16. Kehrvorrichtung (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mit mindestens einer zusätzlichen Bürste (250) ausgestattet ist.
EP20050290483 2004-03-04 2005-03-03 Kehrvorrichtung Active EP1571261B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0402307 2004-03-04
FR0402307A FR2867202B1 (fr) 2004-03-04 2004-03-04 Machine de brossage

Publications (2)

Publication Number Publication Date
EP1571261A1 EP1571261A1 (de) 2005-09-07
EP1571261B1 true EP1571261B1 (de) 2012-08-29

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RU190156U1 (ru) * 2018-12-17 2019-06-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный автомобильно-дорожный университет (СибАДИ)" Коммунальная машина
CN110076620B (zh) * 2019-06-04 2021-03-23 廖丰政 一种机床用切削清扫机构

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US3510900A (en) * 1967-05-26 1970-05-12 Asbrink Eiker Ab Sweeping machines
GB1524953A (en) * 1975-12-02 1978-09-13 Leeford London Ltd Implement mounting assembly
IT1319463B1 (it) 2000-05-03 2003-10-10 Interpump Engineering Srl Motospazzatrice perfezionata con regolazione elastica della pressionedella spazzola
FI4882U1 (fi) * 2000-12-20 2001-04-18 Pikapaja Oy Keräävä harjauskone

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FR2867202B1 (fr) 2006-05-26
FR2867202A1 (fr) 2005-09-09

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