EP2299000B1 - Aufnahmebehälter für Abfälle, die von einem Straßenreinigungsfahrzeug aufgenommen werden - Google Patents

Aufnahmebehälter für Abfälle, die von einem Straßenreinigungsfahrzeug aufgenommen werden Download PDF

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Publication number
EP2299000B1
EP2299000B1 EP10174081.9A EP10174081A EP2299000B1 EP 2299000 B1 EP2299000 B1 EP 2299000B1 EP 10174081 A EP10174081 A EP 10174081A EP 2299000 B1 EP2299000 B1 EP 2299000B1
Authority
EP
European Patent Office
Prior art keywords
tank
tank according
duct
suction duct
turbine
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
EP10174081.9A
Other languages
English (en)
French (fr)
Other versions
EP2299000A2 (de
EP2299000A3 (de
Inventor
Nicolas Jungo
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.)
Nilfisk AS
Original Assignee
Nilfisk AS
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Filing date
Publication date
Application filed by Nilfisk AS filed Critical Nilfisk AS
Publication of EP2299000A2 publication Critical patent/EP2299000A2/de
Publication of EP2299000A3 publication Critical patent/EP2299000A3/de
Application granted granted Critical
Publication of EP2299000B1 publication Critical patent/EP2299000B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0854Apparatus in which the mechanically dislodged dirt is partially sucked-off, e.g. dislodging- sweeping apparatus with dirt collector in brush housing or dirt container

Definitions

  • the present invention relates to a tank more particularly intended to collect the waste during cleaning operations carried out by means of a road vehicle, whether motorized or not, of the urban sweeper type.
  • Vehicles of this type are generally composed of a front structure intended to control the craft, extending rearwardly by a frame receiving a tank designed to collect the waste collected by cleaning means generally located under the frame , via a suction system and a turbine.
  • a front structure intended to control the craft, extending rearwardly by a frame receiving a tank designed to collect the waste collected by cleaning means generally located under the frame , via a suction system and a turbine.
  • An example of a vehicle of this type is described for example in the document US 4,754,521 .
  • the waste present on the surface to be cleaned is initially grouped in the zone located substantially under the chassis of the vehicle by means for example of lateral brushes before being collected through a pipe of suction, the suction circuit being powered by a turbine.
  • This turbine creates a flow that has the effect of allowing the collection of waste collected by the brushes and their transfer through a suction duct to the bucket or collection tank, the sucked air being then discharged to the outside the tank.
  • a too short duct would render the device completely inoperative by rapidly causing clogging phenomena by particles of the collected waste which would tend to accumulate in the immediate periphery of the mouth of the duct, with there also risks of large rejection
  • Another mode known embodiment consists in the opposite to position the turbine on the top of the tank, and more specifically in the tank lid.
  • a modality of this type is described for example in the patent EP 0750 072 .
  • This modality nevertheless has various drawbacks, especially with regard to the center of gravity of the assembly which is offset upward, hence possible problems of stability or balance, especially when the vehicle is moving.
  • the document FR2912434 discloses a receiving tank for waste taken by a road vehicle, associated with suction means comprising a turbine and a suction pipe having a plurality of tubular portions forming a U.
  • the tank is engulfed on the lower branch formed by the portion of tube disposed under the bottom of the tank.
  • the two lateral branches formed by the outer tube portion or portions extend respectively on either side of the tank to join the upper part.
  • the tank according to this document does not include any means for filtering the particles and separating them from the air discharged to the outside, hence the risk of dust and solids being discharged to the outside.
  • the present invention proposes to overcome these disadvantages by providing a refuse tank for a road vehicle which is independent of the waste suction means and which has internal arrangements for separating the particles sucked from the exhaust air. More particularly, the tank according to the invention is associated with a vertical axis turbine positioned under the tank, said turbine not tilting with the tank during the emptying operations, and an external suction duct cooperating with means of filtration and separation of particles disposed within the vessel.
  • the figure 1 represents a conventional type of road vehicle on which a tank according to the present invention has been arranged.
  • the vehicle is composed of a chassis (1), which here is articulated in two parts, a front part (1a) and a rear part (1b). It will be pointed out however that the tank according to the invention could perfectly be arranged on a non-articulated chassis.
  • the front part (1a) of the frame receives a cabin (2) from which the user can control and steer the vehicle, and control the various accessories to perform the cleaning function of a specific area.
  • the cleaning means (3) which consist here of two brushes (3a and 3b) mounted on a structure ( 4) allowing their deployment and their withdrawal.
  • the rear part (1b) of the chassis receives the tank (5) and the suction means of waste taken from the ground which cooperate with the tank.
  • the tank (5) is positioned on a frame (7) consisting of two symmetrical L-shaped side pieces (17, 17 '), each arranged at the rear end of the frame (1b).
  • Each of the side pieces (17, 17 ') has a horizontal arm attached to the frame and a vertical arm perpendicular to the frame. Since the side pieces (17) and (17 ') are substantially symmetrical, only one of them is shown in the figures and identified under the number 17.
  • the upper rear end of the tank (5) is articulated around an axis of rotation (13) connecting the respective ends of the vertical arms of the side pieces (17, 17 ').
  • the suction means comprise a turbine (6) of vertical axis which is mounted on the horizontal arm of the side pieces (17, 17 ').
  • the front end of the turbine is framed on both sides by elements (27) of substantially triangular shape.
  • the triangular elements (27) are mounted on the respective ends of the horizontal arms of the side pieces (17, 17 ') of the support (7).
  • the bottom outer wall of the tank (5) comprises a reinforcement (37) consisting of a horizontal plate partially covering the rear end of the front end of the turbine (6) and arranged in correspondence of the end portion of the piece (27), so as to protect said bottom when the tank is in the lowered position.
  • the tank (5) is thus positioned above the turbine (6), without there being any integral connection between said tank and said turbine, and without risk of damage to said turbine since the plate reinforcement (37) protecting the bottom of the tank (5) rests on the lower end of the piece (27) which is slightly higher than the upper surface of the turbine.
  • the suction means also comprise a suction duct (8) cooperating with the turbine (6), the lower end of said duct being associated with a nozzle (not shown) in order to allow the collection of the waste brought back by the brushes ( 3a, 3b) towards the central axis of the vehicle and the upper end opening towards the inside of the tank (5).
  • the duct (8) is characterized in that it comprises a plurality of tubular portions forming a U.
  • the tank (5) is engulfed on the lower branch (8c) formed by the portion of tube disposed under the bottom (5a) of the tank (5).
  • the duct (8) follows a path outside the tank (5), going up along its side walls (5c and 5d), and is therefore not positioned partly inside. of the tank as in vehicles of known type.
  • the conduit (8) is made in one piece, so that it is not necessary to use connecting means to ensure the connection between, on the one hand, the different sections of tube that compose it, and secondly with the nozzle and the tank (5), the waste following a single path without risk of internal clogging.
  • the figure 4 illustrates more particularly the interior arrangement of the tank (5) and the means associated with the suction duct (8) for filtering the particles and separating them from the exhaust air to the outside.
  • the filtration and dust separation means are composed of a central deflector (20) associated with lateral grids (21a, 21b).
  • the deflector (20) consists of a truncated cone-shaped piece, which is positioned against the upper wall of the tank (5), equidistant from the side walls (5c and 5d), and in correspondence of the delimited area by the respective upper parts of the lateral branches (8a and 8b) of the suction duct (8). More specifically, the deflector (20) comprises a flat base (20a) which is fixed, for example by means of rivets, against the upper wall (5b) of the tank (5).
  • the width of the planar base (20a) is substantially equal to a quarter of the width of the tank (5).
  • the length of the plane base (20a) is substantially equal to the diameter of the conduit (8) in correspondence of which it is positioned.
  • the two ends of the flat base (20a) facing the side walls (5c and 5d) of the tank (5) are each extended by a rigid plate (20b, 20c), defining a lateral edge in the plane perpendicular to that of said base (20a).
  • the length of the rigid plates (20b and 20c) may vary, but preferably will be substantially equal to the length of the planar base (20a).
  • the grids (21a, 21b) may be coated with a release material, or receive a release-resistant surface treatment.
  • the grids (21a and 21b) have an accordion shape, which increases the suction surface and prevent the adherence of light objects in the air sucked.
  • the combination of the baffle (20) and the lateral grids (21a, 21b) accordion makes it possible to create inside the tank (5) a swirling air flow which facilitates the separation between the dust and the waste which is brought by gravity to be deposited on the bottom of the tank. This significantly reduces the release of dust and solid bodies to the outside.
  • the external positioning of the suction duct makes it possible to use a tank having a perfectly flat bottom.
  • the tank according to the invention has another improvement due to the separation of the suction turbine.
  • the tank (5) can tilt under the action of a jack (10) connecting the frame (7) to the rear of the tank, to control either the raising of the tank to a vertical drain position, or his return to his position of horizontal use.
  • Non-rigid traction means (11) are arranged on at least one of the sides of the tank (5) and are connected by one of their ends to the upper arms of the lateral elements (17, 17 ') of the frame (7), under the axis (13), and at the other end to an attachment arm (12) extending from the cover (9).
  • the lid (9) will then be pushed upwards under the effect of the traction exerted by the traction means (11), and will be held in the open position as the bowl (5) tilts towards the rear, but without risk of unexpected closure.
  • This method of emptying the tank according to the invention is achieved by means of particularly uncomplicated elements and therefore inexpensive and in any case much easier to use than the hydraulic devices that usually equip tanks of known type.
  • the traction means (11) may consist of cables.
  • the proposed modality also allows to ensure a total opening to 90 ° of the lid, which allows to drain in the best possible conditions.
  • the present invention has been described above with respect to a preferred mode of implementation. Of course and as previously reported, it is not limited to this embodiment.
  • the tank and its functional elements can be perfectly used on other types of vehicles or devices than an urban sweeper as described above.
  • the means for fixing the tank to the frame may vary, for example, we can consider using a fast loading device, without departing from the scope defined by the claims

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Harvester Elements (AREA)
  • Cleaning In General (AREA)
  • Refuse-Collection Vehicles (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (10)

  1. Aufnahmebehälter für Abfälle, die durch ein Straßenreinigungsfahrzeug aufgenommen werden, der ein Fahrgestell mit Kabine, einen aus zwei deutlich symmetrischen L-förmigen Seitenteilen (17, 17') bestehenden, den genannten Behälter (5) aufnehmenden Rahmen (7) und einen die Rückseite des Behälters (5) mit dem Rahmen (7) verbindenden Zylinder (10), um den genannten Behälter (5) zu kippen, sowie Reinigungsvorrichtungen mit Saugvorrichtungen mit einer Turbine (6) und einer U-förmigen Saugleitung (8) umfasst, wobei der Behälter (5) auf dem unteren durch den horizontalen rohrförmigen Abschnitt der Leitung (8) gebildeten Schenkel und zwischen den zwei durch die senkrechten rohrförmigen Abschnitte der genannten Leitung gebildeten Seitenschenkeln (8a und 8b) angeordnet ist, wobei sich die genannten seitlichen Schenkel jeweils beiderseits und entlang der Seitenwände (5c und 5d) des Behälters (5) erstrecken, um dessen oberen Bereich zu erreichen,
    dadurch gekennzeichnet, dass die Filter- und Trennvorrichtungen der Partikel, die mit den seitlichen Schenkeln (8a und 8b) zusammenwirken, im Inneren des Behälters (5) angeordnet sind.
  2. Aufnahmebehälter gemäß Anspruch 1, dadurch gekennzeichnet, dass die Filter- und Trennvorrichtungen der Partikel von einem zentralen Deflektor (20) gebildet werden, der an der oberen Wand des Aufnahmebehälters (5) positioniert ist, im gleichen Abstand zu den Seitenwänden (5c und 5d), und entsprechend zum durch die jeweiligen oberen Teile der seitlichen Schenkel (8a und 8b) der Saugleitung (8) begrenzten Bereich, in Verbindung mit seitlichen Gittern (21a und 21 b).
  3. Aufnahmebehälter gemäß Anspruch 2, dadurch gekennzeichnet, dass der Deflektor (20) aus einem Teil besteht, das eine ebene Grundfläche (20a) aufweist, deren jeweilige den Seitenwänden (5c und 5d) des Aufnahmebehälters (5) gegenüberstehende Enden jeweils durch eine steife Platte (20b, 20c) verlängert werden, die eine Seitenkante in der zur genannten Grundplatte (20a) senkrechten Ebene bilden.
  4. Aufnahmebehälter gemäß Anspruch 3, dadurch gekennzeichnet, dass die Breite der ebenen Grundfläche (20a) deutlich einem Viertel der Breite des Behälters (5) entspricht.
  5. Aufnahmebehälter gemäß Anspruch 3 oder Anspruch 4, dadurch gekennzeichnet, dass die Länge der ebenen Grundfläche (20a) wesentlich gleich dem Durchmesser der Leitung (8) ist, zu der sie entsprechend positioniert ist.
  6. Aufnahmebehälter gemäß einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass jedes der Gitter (21a, 21b) mit einem Ende an der ebenen Grundfläche (20a) des Deflektors verbunden ist, und mit dem anderen Ende an der Saugleitung (8).
  7. Aufnahmebehälter gemäß einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die Gitter (21a, 21b) mit einer Antihaftbeschichtung versehen sind oder einer Antihaft-Oberflächenbehandlung unterzogen wurden.
  8. Aufnahmebehälter gemäß einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass die Gitter (21a und 21b) akkordeonförmig sind.
  9. Behälter nach einem beliebigen der vorausgehenden Ansprüche, dadurch gekennzeichnet, dass die Saugleitung (8) aus einem einzigen Teil besteht.
  10. Behälter nach einem beliebigen der vorausgehenden Ansprüche, dadurch gekennzeichnet, dass er einen flachen Boden aufweist.
EP10174081.9A 2009-09-14 2010-08-26 Aufnahmebehälter für Abfälle, die von einem Straßenreinigungsfahrzeug aufgenommen werden Not-in-force EP2299000B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0904363A FR2950084B1 (fr) 2009-09-14 2009-09-14 Cuve de reception pour dechets preleves par un vehicule de voirie comportant des moyens de filtration et de separation des particules aspirees

Publications (3)

Publication Number Publication Date
EP2299000A2 EP2299000A2 (de) 2011-03-23
EP2299000A3 EP2299000A3 (de) 2013-04-03
EP2299000B1 true EP2299000B1 (de) 2017-03-15

Family

ID=42105957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10174081.9A Not-in-force EP2299000B1 (de) 2009-09-14 2010-08-26 Aufnahmebehälter für Abfälle, die von einem Straßenreinigungsfahrzeug aufgenommen werden

Country Status (2)

Country Link
EP (1) EP2299000B1 (de)
FR (1) FR2950084B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314028A (zh) * 2014-09-27 2015-01-28 赵夫超 渣土车扬尘吸收装置
CN106081446B (zh) * 2016-07-06 2019-01-08 长治清华机械厂 垃圾渗滤液收集导排装置
CH715503B1 (de) 2019-05-13 2020-05-15 Bucher Municipal Ag Selbstfahrende Kehrmaschine.
CN113086459B (zh) * 2021-03-26 2022-10-28 嘉兴市嘉环园林工程有限公司 一种垃圾清运系统
FR3133203B1 (fr) 2022-03-07 2024-04-12 Olivarius Man Services Ag Cuve de vehicule de voirie comportant des moyens d’aspiration et d’evacuation de l’air souffle par une turbine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1195887B (it) 1986-07-31 1988-10-27 Dulevo Spa Macchina spazzatrice stradale per la raccolta di rifiuti
IT1205012B (it) 1987-05-19 1989-03-10 Dulevo Spa Macchina di pulizia stradale per la raccolta e il trasporto di rifiuti
DE69612238T2 (de) 1995-06-19 2001-11-15 Mathieu Yno S A Selbstfahrende kompakte Hochleistungsstadtkehrmaschine mit umgekehrt montierter Turbine
GB0426710D0 (en) * 2004-12-06 2005-01-12 Applied Sweepers Ltd Dust control system
ITPR20050012A1 (it) * 2005-03-30 2006-09-30 M Salute Ambientale Srl Macchina spazzatrice stradale con sistema meccanico aspirante filtrante per la raccolta dei rifiuti.
DK1772564T3 (da) * 2005-10-07 2008-09-29 Dulevo Int Spa Renseenhed til veje og lignende
FR2912434B1 (fr) * 2007-02-14 2011-07-01 Jungo Voirie Cuve de reception pour dechets preleves par un vehicule de voirie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR2950084B1 (fr) 2011-09-30
FR2950084A1 (fr) 2011-03-18
EP2299000A2 (de) 2011-03-23
EP2299000A3 (de) 2013-04-03

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