EP2775034B1 - Balayeuse à godet collecteur - Google Patents

Balayeuse à godet collecteur Download PDF

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Publication number
EP2775034B1
EP2775034B1 EP14000674.3A EP14000674A EP2775034B1 EP 2775034 B1 EP2775034 B1 EP 2775034B1 EP 14000674 A EP14000674 A EP 14000674A EP 2775034 B1 EP2775034 B1 EP 2775034B1
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EP
European Patent Office
Prior art keywords
suction
flow
guiding element
suction shaft
cleaned
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
EP14000674.3A
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German (de)
English (en)
Other versions
EP2775034A1 (fr
Inventor
Mathias Klaus Morath
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
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Aebi Schmidt Deutschland GmbH
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Publication of EP2775034A1 publication Critical patent/EP2775034A1/fr
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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
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging 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
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles

Definitions

  • the present invention relates to a picking sweeper with a dirt collecting container to which on the one hand a suction fan and on the other hand connected via a suction line a suction head with a suction shaft and a working surface in front of this extending flexible planar flow guide.
  • the present invention relates to a picking sweeper according to the preamble of claims 1 and 3.
  • Picking sweepers are known in various designs and configurations of the prior art. Namely, self-propelled picking sweepers and pickup sweeping machines pulled by a towing vehicle are known for cleaning traffic areas such as, in particular, roads and sidewalks, squares, runways and the associated apron and the like.
  • Suction heads of this type are known, for example from the DE 2918760 A1 , which discloses a generic receiving sweeper, and the GB 1046341 , of the GB 1530904 as well as the AU 462011 ,
  • suction heads with (front) Grobgutklappen are also known, which can be mechanically opened and closed again.
  • Such coarse material flaps can in particular be rigid, pivotable and / or liftable components (cf., eg, FIG DE 3437990 A1 ) as well as deformable, consisting of a flexible material components (see. ES 2369983 A1 ).
  • they do not constitute a planar flow guide element extending in the working direction in front of the suction shaft, in the sense that a fluidically optimized nozzle effect is achieved between it and the surface to be cleaned.
  • a double suction is known in which the first, in the working direction front suction mouth is connected via a suction line with a nozzle which is directed in the working direction immediately before the second suction mouth against the surface to be cleaned.
  • the nozzle is sealed from the second suction mouth by means of a rolling diaphragm which functions as a coarse slide and increases the gap width for the suction flow when the nozzle is raised.
  • the present invention seeks to provide a picking sweeper of the type described, which is characterized with a comparatively low power consumption of the suction fan with high reliability by a typical application conditions very good cleaning result.
  • "typical" operating conditions include those in which significant amounts of relatively bulky debris are to be included, such as more or less accumulated leaves in autumn.
  • the edge of the flow guide element facing away from the suction channel is at least substantially linearly displaceable by means of the adjustment device
  • the realization of the adjustment device is made possible for example by a hydraulic cylinder (or several hydraulic cylinders), without additional facial expressions such as a deflection gear or the like.
  • edge of the flow guide element facing away from the suction shaft is substantially parallel to the surface to be cleaned or slidably displaced comparatively small, allows the execution of the suction head - despite an adjustability of the gap width within a wide range - with a comparatively small height of the suction head, which is favorable for the possibility to lift the suction head in a transport position so far from the surface to be cleaned, that no risk of Damage to the suction head in the raised transport position due to obstacles.
  • a comparatively short embodiment of the suction head in the working direction can be realized, in particular, when the planar flow guide element is guided away from the suction shaft via a deflection roller. Because in this case does not need to be held at the front of the suction head space for the stretched geometry of the flow guide, which does not need it in the strongly curved geometry of the flow. However, such a deflection of the flow-guiding element is typically accompanied by an increased overall height of the suction head, which may prove less favorable in individual cases. And the planar flow guide is - by comparatively low inherent rigidity - adapt to the deflection.
  • a further possibility of constructive implementation of the present invention consists, as stated in claim 3, in that the flow guide element can be wound away from the suction shaft onto a winding roller.
  • the advantage of the comparatively small dimensions of the suction head in the working direction also applies to this development.
  • the position of the edge of the flow-guiding element adjacent to the suction duct is preferably relative fixed to the suction shaft. With regard to a fluidic and energetic optimization, the position is particularly preferably chosen such that the flow guide element directly adjoins the suction shaft. Ideally, the edge region of the flow guide element immediately adjacent to the suction chute is fixed and geometrically fixed in such a way that a continuous transition from the flow guide element to the suction chute is ensured, regardless of the set gap width.
  • the flow guide can be designed in particular as an elastically deformable flow baffle.
  • the planar flow guide can be preformed in its maximum stretched, in its maximum arched or any intermediate position, ie at the geometry is free of internal tension.
  • the flow guide element consists of a plurality of hingedly interconnected slats. In this case, typically no stresses build up in the case of a change in the geometry of the flow guide element in it.
  • Such a design of the flow guide proves to be advantageous in particular when it is deflected over a guide roller or wound onto a winding roller (see above).
  • the respective geometry of the flow-guiding element can thereby be free, ie set according to a chain line, if the flow-guiding element "sags" at least in regions freely downwards in the direction of the surface to be cleaned.
  • the latter is by no means compulsory.
  • a kind of tension roller - or a plurality of tension rollers comprehensive tension roller unit - may be provided which defines the apex of the flow, wherein such a tension roller may be biased in particular spring loaded.
  • An advantageous aspect of the embodiment of the suction head with (at least) one tensioning roller is the possibility of being able to further influence the geometry of the flow guidance element. Especially with regard to an optimal nozzle effect.
  • suction head 1 comprises, based on the prior art, a housing 2 in which a - obliquely backwards, against the working direction A inclined - suction shaft 3 is formed, to which a Suction head 1 with the dirt collector of the sweeper connecting suction hose can be connected.
  • the suction shaft 3 defines a transition from an at least substantially cylindrical cross section in the connection region 4 for the suction hose to a cross section with a substantially straight front boundary extending transversely to the working direction A.
  • part of the housing 2 are two lateral cheek plates 10, on which possibly (not shown) support skids or other support means (eg support wheels) may be attached.
  • a support structure 5 for a (further) support device 6 (such as, for example, the indicated support runner 7) is arranged on the housing 2.
  • two pairs of tabs 11 are provided, to which a (not shown) lifting device can be connected, by means of which the suction head 1 can be raised to a transport position.
  • the support unit comprising the individual support means defines when lowered onto the surface 8 to be cleaned suction head 1, in particular when the lifting device is switched to a "floating position", the position of the housing 2 above the surface 8.
  • a (replaceable) substantially V-shaped wear plate 9 is attached to the underside of the housing 2. On its upper side are on the housing 2 continue two stop buffer 12th attached, which are used in the raised transport position.
  • a flexible planar flow guide 13 extends, which is designed as an elastically deformable flow guide plate 14 consisting of an elastomer material.
  • the flow guide plate 14 is fixed to the casing 2 at its edge adjacent to the suction chute 3 relative to the suction chute 3, not only with respect to the position of the edge, but also with respect to the orientation, i.
  • the edge portion 15 of the flow guide plate 14 adjacent to the suction chute 3 is fixed to a flat housing portion 18 offset from the front boundary 16 of the suction chute 3 by a jump 17 whose inclination substantially corresponds to the inclination of the suction chute 3 , so that the inner, the surface to be cleaned 8 facing surface 19 of the flow guide 14 as steady as possible, ie without appreciable misalignment, gap or crease passes into the suction shaft.
  • the front in the direction of A front edge of the flow baffle 14 is made of his in Fig. 1 illustrated retracted position along the substantially horizontal, ie in the direction of A only slightly inclined direction B movable forward.
  • the front edge region 20 of Flow guide plate 14 is fixed by means of the clamping screws 21 and the terminal block 22 to a fastening strip 23, which in turn is welded to four pipe sections 24, 25.
  • the four pipe sections 24, 25 are rotatably received on a shaft 26 which is supported by two guide rods 27, which in turn are guided in each case in two guide blocks 28 slidably.
  • the guide blocks 28 are in turn attached to stiffening ribs 29 of the housing 2.
  • the linear guides 30 formed thereby are to protect them from contamination of a panel 31 - this is shown only in the right linear guide - surrounded.
  • Centered on the shaft 26 engages an executed as a hydraulic cylinder 32 adjusting 33.
  • a head piece 35 is attached to the end of the piston rod 34 of the hydraulic cylinder 32, which in turn is connected to the shaft 26.
  • the hydraulic cylinder 32 is fixed to the housing 2 of the suction head 1.
  • Relevant that regardless of the respective set shape or geometry of the flow guide plate 14 whose rear edge region 15 passes into the suction shaft 3 due to its above-explained clamping without significant offset, gap or crease. This is important for a good cleaning result with low power consumption of the suction fan and low noise emissions.
  • the front edge region 20 of the flow guide plate 14 can, however, freely change its inclination, depending on the position of the shaft 26, ie, adapt the geometry of the flow guide plate 14.
  • FIG. 4 there is a preferred modification of the in the FIGS. 1 to 3 illustrated embodiment of a suction head of a sweeping machine according to the invention in that the planar flow guide 13 is front, that is guided away from the suction shaft 3 via a guide roller 38.
  • the fluidically effective extension of the flow guide 13 extends from the guide roller 38 to the suction section adjacent edge portion 15.
  • the adjustment may in turn comprise, for example, a hydraulic cylinder which engages the guided around the guide roller 38 end of the planar flow guide 13.
  • This construction offers itself in the execution of the flow guide 13 with a comparatively low rigidity, for example, when flow guide consists of a plurality of hingedly interconnected slats. implied is in Fig.
  • FIG. 5 schematically shown further modification in which the flow guide 13 is remote from the suction shaft 3 on a winding roller 39 wound.
  • the adjustment causes in this modification, a rotation of the winding roller 39.
  • the geometry of the Strömungsleitelements 13 is accordingly between a relatively curved shape with a relatively small minimum distance to be cleaned surface 8 and a relatively elongated shape with a relatively large minimum distance to the surface to be cleaned variable.
  • the flow-effective extension of the planar flow-guiding element 13 extends here from the winding roller 39 to the edge section 15 adjacent to the suction shaft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (8)

  1. Balayeuse ramasseuse pour le nettoyage d'une surface, avec un réservoir de collecte des saletés, auquel sont raccordés d'une part une soufflante d'aspiration et d'autre part par un conduit d'aspiration une tête aspirante (1) avec une gaine d'aspiration (3) et un élément conducteur d'écoulement (13) plat flexible s'étendant devant celui-ci dans le sens du travail (A), une trajectoire d'écoulement d'air en forme de buse étant définie par l'élément conducteur d'écoulement plat entre celui-ci et la surface à nettoyer, caractérisée en ce que l'élément conducteur d'écoulement peut être modifié de forme au moyen d'un dispositif de réglage (33) venant en prise sur sa zone de bordure (20) opposée à la gaine d'aspiration (3) au moyen duquel le bord (20) de l'élément conducteur d'écoulement (13), opposé à la gaine d'aspiration (3) peut être au moins pour l'essentiel déplacé de façon linéaire, de telle sorte que sa géométrie peut être modifiée entre une forme relativement bombée avec une distance minimale relativement faible par rapport à la surface à nettoyer (8) et une forme relativement étirée avec une distance minimale relativement grande par rapport à la surface à nettoyer, le bord (20) opposé à la gaine d'aspiration (3) de l'élément conducteur d'écoulement (13) pouvant être déplacé de façon inclinée pour l'essentiel parallèlement à la surface à nettoyer (8) ou seulement de façon comparativement faible par rapport à celle-ci.
  2. Balayeuse selon la revendication 1, caractérisée en ce que l'élément conducteur d'écoulement (13) est guidé à l'avant, c'est-à-dire éloigné de la gaine d'aspiration (3) par le biais d'un rouleau de renvoi (38).
  3. Balayeuse ramasseuse pour le nettoyage d'une surface, avec un réservoir de collecte des saletés, auquel sont raccordés d'une part une soufflante d'aspiration et d'autre part par un conduit d'aspiration une tête aspirante (1) avec une gaine d'aspiration (3) et un élément conducteur d'écoulement (13) plat flexible s'étendant devant celui-ci dans le sens du travail (A), une trajectoire d'écoulement d'air en forme de buse étant définie par l'élément conducteur d'écoulement plat entre celui-ci et la surface à nettoyer, caractérisée en ce que l'élément conducteur d'écoulement peut être modifié de forme au moyen d'un dispositif de réglage (33) venant en prise sur sa zone de bordure (20) opposée à la gaine d'aspiration (3) au moyen duquel l'élément conducteur d'écoulement (13) peut être modifié de forme à l'avant, c'est-à-dire peut être enroulé éloigné de la gaine d'aspiration (3) sur un rouleau d'enroulement (39), de telle sorte que sa géométrie peut être modifiée entre une forme relativement bombée avec une distance minimale relativement faible par rapport à la surface à nettoyer (8) et une forme relativement étirée avec une distance minimale relativement grande par rapport à la surface à nettoyer.
  4. Balayeuse selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la position du bord de l'élément conducteur d'écoulement (13), adjacent à la gaine d'aspiration (3), est fixé par rapport à la gaine d'aspiration.
  5. Balayeuse selon la revendication 4, caractérisée en ce que la zone de bordure (15) de l'élément conducteur d'écoulement, directement adjacente à la gaine d'aspiration (3), est fixée par rapport à la gaine d'aspiration.
  6. Balayeuse selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'élément conducteur d'écoulement (13) se termine directement à l'entrée de la gaine d'aspiration (3).
  7. Balayeuse selon l'une quelconque des revendications 1 à 6, caractérisée en ce que l'élément conducteur d'écoulement (13) est composé d'une pluralité de lamelles reliées entre elles de façon articulée.
  8. Balayeuse selon l'une des revendications 1 à 6, caractérisée en ce que l'élément conducteur d'écoulement (13) est exécuté sous la forme d'une plaque conductrice d'écoulement (14) pouvant être déformée de façon élastique.
EP14000674.3A 2013-03-02 2014-02-26 Balayeuse à godet collecteur Active EP2775034B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013003536.8A DE102013003536A1 (de) 2013-03-02 2013-03-02 Aufnehmende Kehrmaschine

Publications (2)

Publication Number Publication Date
EP2775034A1 EP2775034A1 (fr) 2014-09-10
EP2775034B1 true EP2775034B1 (fr) 2018-01-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14000674.3A Active EP2775034B1 (fr) 2013-03-02 2014-02-26 Balayeuse à godet collecteur

Country Status (3)

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EP (1) EP2775034B1 (fr)
DE (1) DE102013003536A1 (fr)
ES (1) ES2661528T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106400723B (zh) * 2016-11-28 2018-09-04 徐工集团工程机械有限公司 扫路车吸盘装置和扫路车
CN107059725A (zh) * 2016-12-28 2017-08-18 湖北聚力汽车技术股份有限公司 一种吸尘车吸盘胶皮板翻转避让机构
CN107059728B (zh) * 2017-05-05 2023-06-16 启迪合加新能源汽车有限公司 一种洗扫车的吸嘴用导管专用装置
CN107326848B (zh) * 2017-08-07 2019-06-25 武汉理工大学 吸扫式清扫车吸嘴
CN107435308B (zh) * 2017-08-18 2019-01-08 徐工集团工程机械有限公司 洗扫车吸嘴结构及洗扫车
CN107964905B (zh) * 2017-11-20 2023-05-30 江苏徐工国重实验室科技有限公司 扫路车吸嘴和扫路车
CN108343015B (zh) * 2018-02-07 2019-11-01 长沙中联重科环境产业有限公司 用于扫路机的吸嘴及扫路机
EP3825465B1 (fr) 2019-11-19 2023-06-07 Bucher Municipal AG Balayeuse automatique permettant de nettoyer des surfaces de sol routières ou piétonnes

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
FR1363162A (fr) 1963-02-06 1964-06-12 Bertin & Cie Machine aspiratrice perfectionnée applicable notamment au nettoyage des pistes d'envol
AU462011B2 (en) * 1971-02-08 1975-05-27 HEDLEY BENJAMIN KEOGH and LANCELOT DOUGLAS EBELING Vacuum sweeper
GB1530904A (en) * 1976-11-22 1978-11-01 Hammersley D Collecting apparatus
DE2918760A1 (de) * 1979-05-09 1980-11-13 Schmidt Alfred Ing Gmbh Vorrichtung zur aufnahme von kehrgut mittels eines saugluftstroms
DE3316953A1 (de) 1983-05-09 1984-11-15 Kuka Umwelttechnik GmbH, 8900 Augsburg Vorrichtung zum reinigen von strassenoberflaechen od. dgl.
DE3437990A1 (de) 1984-10-17 1986-04-24 Ing. Alfred Schmidt Gmbh, 7822 St Blasien Saugschacht an einem kehrfahrzeug
GB2219819B (en) 1988-06-16 1992-08-05 Johnston Eng Ltd Improvements in road sweeping vehicles
DE19524203C2 (de) 1994-12-13 1999-07-29 Haller Umweltsysteme Gmbh & Co Kehrmaschine mit Staubabsaugung
US5839157A (en) * 1996-05-06 1998-11-24 Elgin Sweeper Company Street sweeper pick-up head
US6845570B2 (en) * 2002-09-11 2005-01-25 Wccp, Llc Pavement dryer
ES2369983B1 (es) * 2011-07-28 2012-10-15 Ausa Center, S.L.U. Boca de aspiración con entrada flexible para vehículo barredora

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Also Published As

Publication number Publication date
ES2661528T3 (es) 2018-04-02
DE102013003536A1 (de) 2014-09-04
EP2775034A1 (fr) 2014-09-10

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