EP1683919A2 - Appareil de nettoyage de surfaces de routes - Google Patents

Appareil de nettoyage de surfaces de routes Download PDF

Info

Publication number
EP1683919A2
EP1683919A2 EP06450003A EP06450003A EP1683919A2 EP 1683919 A2 EP1683919 A2 EP 1683919A2 EP 06450003 A EP06450003 A EP 06450003A EP 06450003 A EP06450003 A EP 06450003A EP 1683919 A2 EP1683919 A2 EP 1683919A2
Authority
EP
European Patent Office
Prior art keywords
outflow
outflow chamber
suction
diffuser
chamber
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.)
Granted
Application number
EP06450003A
Other languages
German (de)
English (en)
Other versions
EP1683919A3 (fr
EP1683919B1 (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 GmbH
Original Assignee
Gebr Trilety GmbH
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 GmbH filed Critical Gebr Trilety GmbH
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

    • 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

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 disclosed, for example, in EP 0 261 553 A or EP 0 234 782 A.
  • 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.
  • 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 recognition that a significant noise reduction can be achieved by providing a large-volume outflow chamber in which the most laminar flow is achieved or at least the turbulence emitted by the ejected from the suction turbine be carried along, can subside.
  • 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 is substantially rectangular in plan view and has a continuously decreasing in the longitudinal direction cross-sectional area. Seen from the side, the outflow chamber is wedge-shaped in this embodiment, so that, with a uniform distribution of the outflow openings, an approximately uniform flow velocity in the interior of 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.
  • the suction opening between the axles 8, 9 of the vehicle is arranged, 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, from the cab 5, the function of the suction opening 4th to be able to watch.
  • 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 a view from above with the diffuser 15 connected upstream across the inlet nozzle 16.
  • 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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (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)
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 true EP1683919A2 (fr) 2006-07-26
EP1683919A3 EP1683919A3 (fr) 2007-04-18
EP1683919B1 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)

Cited By (2)

* 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
CN107059734A (zh) * 2017-05-26 2017-08-18 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6504373A (fr) 1964-04-06 1965-10-07
EP0234782A2 (fr) 1986-02-20 1987-09-02 Johnston Engineering Limited Dispositif de balayage des rues
EP0261553A2 (fr) 1986-09-26 1988-03-30 Ing. Alfred Schmidt Gmbh Dispositif de ramassage d'excréments canins

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6504373A (fr) 1964-04-06 1965-10-07
EP0234782A2 (fr) 1986-02-20 1987-09-02 Johnston Engineering Limited Dispositif de balayage des rues
EP0261553A2 (fr) 1986-09-26 1988-03-30 Ing. Alfred Schmidt Gmbh Dispositif de ramassage d'excréments canins

Cited By (2)

* 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
CN107059734A (zh) * 2017-05-26 2017-08-18 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

Also Published As

Publication number Publication date
AT501050B1 (de) 2006-06-15
AT501050A4 (de) 2006-06-15
AT501050B8 (de) 2007-02-15
EP1683919A3 (fr) 2007-04-18
DE502006008109D1 (de) 2010-12-02
EP1683919B1 (fr) 2010-10-20
ATE485424T1 (de) 2010-11-15

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