EP1683919B1 - Appareil de nettoyage de surfaces de routes - Google Patents

Appareil de nettoyage de surfaces de routes Download PDF

Info

Publication number
EP1683919B1
EP1683919B1 EP06450003A EP06450003A EP1683919B1 EP 1683919 B1 EP1683919 B1 EP 1683919B1 EP 06450003 A EP06450003 A EP 06450003A EP 06450003 A EP06450003 A EP 06450003A EP 1683919 B1 EP1683919 B1 EP 1683919B1
Authority
EP
European Patent Office
Prior art keywords
outlet
outlet chamber
suction
disposed
essentially
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
EP06450003A
Other languages
German (de)
English (en)
Other versions
EP1683919A3 (fr
EP1683919A2 (fr
Inventor
Helmut Winkler
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.)
Gebr Trilety Gesmbh
Original Assignee
Gebr Trilety Gesmbh
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 Gebr Trilety Gesmbh filed Critical Gebr Trilety Gesmbh
Publication of EP1683919A2 publication Critical patent/EP1683919A2/fr
Publication of EP1683919A3 publication Critical patent/EP1683919A3/fr
Application granted granted Critical
Publication of EP1683919B1 publication Critical patent/EP1683919B1/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
    • E01H1/08—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

Definitions

  • the invention relates to a device for cleaning road surfaces according to the preamble of claim 1.
  • cleaning devices which have an outflow of air at the top.
  • Such devices are for example in the EP 0 261 553 A or the EP 0 234 782 A disclosed.
  • an air outflow of this type has the disadvantage that sound emissions can propagate unhindered, so that such devices are very problematic in terms of noise emission.
  • the NL 6 504 373 A describes a street sweeper, at the top of an expansion chamber is provided, at the top of which an outflow opening is arranged. In this expansion chamber turbulence may occur, leading to increased noise emission.
  • Object of the present invention is to avoid these disadvantages and to provide a device which allows both a gentle outflow of the sucked air and has the lowest possible working noise.
  • the lowest possible emission of dust or other particles is to be ensured by the outflowing air and as long as possible maintenance intervals should be achieved.
  • Essential to the present invention is the realization that a significant noise reduction can be achieved by providing a large-volume outflow chamber in which a laminar flow is achieved as possible or at least the turbulence, which are carried by the ejected from the suction turbine, can decay .
  • Important in this context is the interaction with a diffuser, which reduces the flow velocity and also allows an increase in performance. Due to the spatial arrangement of the outflow chamber above the collecting tank is achieved in a particularly advantageous manner that the outflow chamber can be formed flat and large area which additionally increases the effectiveness. In addition, a simple structural design of the device can be achieved in this way.
  • the outflow chamber in plan view is substantially rectangular and has a continuously decreasing in the longitudinal direction of the cross-sectional area. Seen from the side, the outflow chamber according to the invention is wedge-shaped, so that with uniform distribution of the outflow openings an approximately uniform flow velocity inside the outflow chamber is achieved, which has an advantageous effect on the noise emission.
  • Particularly favorable flow conditions can be achieved in that the diffuser opens over its entire surface into an end face of the outflow chamber. As a result, in particular disturbing pressure losses are avoided and prevents turbulence. Venting of the aggregate space can be achieved by opening the discharge line via an injector into the diffuser.
  • a further substantial reduction of the noise emission can be achieved by arranging a silencer in the outflow chamber parallel to a surface containing the outflow openings.
  • this silencer is designed as a blind.
  • other constructions such as profiles parallel to the surface, are possible.
  • the outflow chamber is subdivided by the essentially horizontally extending muffler into an upper section and a lower section, so that any resonant vibrations can not propagate to the outflow openings.
  • a further particularly preferred embodiment variant of the invention provides that a filter is arranged in the outflow chamber parallel to a surface containing the outflow openings. In this way, it is possible to use an extremely large-area filter, which is correspondingly low load, so that large maintenance intervals are achieved.
  • Fig. 1 shows a vehicle 1, which carries a device according to the invention, which consists of a collecting container 2, which communicates via a suction line 3 with a suction port 4, which is guided just above the road surface 7, to absorb dirt and dust.
  • a device according to the invention which consists of a collecting container 2, which communicates via a suction line 3 with a suction port 4, which is guided just above the road surface 7, to absorb dirt and dust.
  • the suction opening is arranged between the axles 8, 9 of the vehicle, however, it is equally possible within the scope of the invention to provide the suction opening at other locations, for example in front of the front axle 8, in order to be able to observe the function of the suction opening 4 from the driver's cab 5.
  • the vehicle further has in known manner rotating brushes 6 and other cleaning devices, not shown.
  • Fig. 2 shows the structure of the collecting container 2 in detail. This is divided by a bulkhead 10 into a collecting section 12 and into an aggregate section 11.
  • a suction turbine 13 is provided, which is driven by a motor 14.
  • the air is sucked out of the collecting section 12 via a baffle 25 designed as a coarse filter, which extends substantially horizontally in the upper region of the collecting section 12.
  • a baffle 25 designed as a coarse filter, which extends substantially horizontally in the upper region of the collecting section 12.
  • an outflow line 19 Downstream of the suction turbine 13, an outflow line 19 is arranged, which opens into an ejector 24, which merges into a diffuser 15, which amplifies the effect of the suction turbine 13 by the delay of the air flow.
  • the ejector 24 serves to decouple the structure-borne noise of the suction turbine 13 and to vent the unit section.
  • the outflow chamber 17 has a rearwardly decreasing cross-sectional area.
  • Fig. 3 the cross section of the outflow chamber 17 is shown in detail.
  • connecting rods 19 which extend in the longitudinal direction of the vehicle, vertically arranged lamellae 20 are arranged, which serve to make the air flow uniform and as free as possible of turbulence, whereby this arrangement serves as a muffler 22.
  • a filter 23 is arranged, which is designed as a fabric filter and / or as a wire mesh.
  • Fig. 5 shows the outflow chamber 17 in top view with the over the entire width of the inlet nozzle 16 upstream of the diffuser 15.
  • the diffuser is flown by the discharge line 19 through the ejector 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Road Repair (AREA)
  • Cleaning In General (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (9)

  1. Dispositif pour nettoyer des surfaces de chaussées ou analogues comprenant :
    - au moins un orifice d'aspiration (4) relié par une conduite d'aspiration (3) à un réceptacle collecteur (2),
    - au moins une turbine aspirante (13) avec une conduite de sortie (19) en aval de la turbine aspirante (13), cette conduite munie d'un diffuseur (15) débouchant dans des orifices de sortie (18) situés dans la zone supérieure du dispositif et communiquant avec une chambre de sortie (17) ayant en vue en plan, une forme essentiellement rectangulaire, cette chambre étant au-dessus du réceptacle collecteur (2) en couvrant celui-ci pratiquement,
    caractérisé en ce que
    en vue de côté la chambre de sortie (17) a une forme de coin et une section diminuant en continu dans la direction longitudinale pour arriver à l'intérieur de la chambre de sortie (17), avec une répartition pratiquement régulière des orifices de sortie (18), pour une vitesse d'écoulement pratiquement régulière.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    le diffuseur (15) débouche de préférence par une buse (16) en pleine surface dans la face frontale de la chambre de sortie (17).
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé par
    un amortisseur phonique (22) installé dans la chambre de sortie (17), parallèlement à la surface supérieure comportant les orifices de sortie (18).
  4. Dispositif selon la revendication 3,
    caractérisé en ce que
    l'amortisseur phonique (22) est constitué par une structure de jalousie formée de lamelles (20).
  5. Dispositif selon l'une des revendications 1 à 4,
    caractérisé en ce qu'
    la chambre de sortie (17) comporte un filtre (23), en parallèle à une surface supérieure comportant les orifices de sortie (18).
  6. Dispositif selon la revendication 5,
    caractérisé en ce que
    le filtre (23) est un filtre en tissu.
  7. Dispositif selon l'une des revendications 1 à 6,
    caractérisé par
    un réservoir d'eau (21) à côté du réceptacle collecteur (2).
  8. Dispositif selon l'une des revendications 1 à 7,
    caractérisé en ce que
    les orifices de sortie (18) sont répartis pratiquement régulièrement à la surface de la chambre de sortie (17).
  9. Dispositif selon l'une des revendications 1 à 8,
    caractérisé par
    un éjecteur (24) dans le diffuseur (15).
EP06450003A 2005-01-10 2006-01-05 Appareil de nettoyage de surfaces de routes Not-in-force EP1683919B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0002305A AT501050B8 (de) 2005-01-10 2005-01-10 Vorrichtung zur reinigung von strassenoberflächen

Publications (3)

Publication Number Publication Date
EP1683919A2 EP1683919A2 (fr) 2006-07-26
EP1683919A3 EP1683919A3 (fr) 2007-04-18
EP1683919B1 true EP1683919B1 (fr) 2010-10-20

Family

ID=36128473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06450003A Not-in-force EP1683919B1 (fr) 2005-01-10 2006-01-05 Appareil de nettoyage de surfaces de routes

Country Status (3)

Country Link
EP (1) EP1683919B1 (fr)
AT (2) AT501050B8 (fr)
DE (1) DE502006008109D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002566A1 (de) * 2007-01-17 2008-07-31 Schmidt Holding Gmbh Kehrmaschine
CN107059734B (zh) * 2017-05-26 2023-05-05 湖北聚力汽车技术股份有限公司 一种吸尘车多级消音系统及吸尘车
CN112323704A (zh) * 2020-11-26 2021-02-05 郑州傲蓝得环保科技有限公司 一种落叶清扫收集及处理装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE662147A (fr) * 1964-04-06
US4373227A (en) * 1980-09-09 1983-02-15 Tennant Company Surface maintenance equipment
US4554701A (en) * 1984-02-10 1985-11-26 Raaij Karel W M Van Vacuum street sweeper and filter apparatus therefor
GB8604229D0 (en) * 1986-02-20 1986-03-26 Johnston Eng Ltd Road sweeping vehicles
CH668611A5 (en) * 1986-03-04 1989-01-13 Viktor Meili Ag Fuer Konstrukt Motor vehicle for collecting fallen leaves etc. - has fan and suction tube at vehicle front, and container on tilting charging bridge with inlet branch
DE3632787C1 (de) * 1986-09-26 1988-01-07 Schmidt Alfred Ing Gmbh Vorrichtung zum Aufnehmen von Hundekot
DE68900672D1 (de) * 1988-06-16 1992-02-20 Johnston Eng Ltd Strassenkehrmaschine.
GB2244748B (en) * 1990-06-08 1995-02-15 Schmidt Mfg & Equip Transmission and braking system for a cleaning vehicle
GB2244743B (en) * 1990-06-08 1995-02-15 Schmidt Mfg & Equip Water recirculation system for a cleaning vehicle

Also Published As

Publication number Publication date
EP1683919A3 (fr) 2007-04-18
AT501050A4 (de) 2006-06-15
DE502006008109D1 (de) 2010-12-02
EP1683919A2 (fr) 2006-07-26
AT501050B8 (de) 2007-02-15
AT501050B1 (de) 2006-06-15
ATE485424T1 (de) 2010-11-15

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