EP0971075A1 - Dispositif d'aspiration et de traitement de poussières produites par les machines de fraisage - Google Patents

Dispositif d'aspiration et de traitement de poussières produites par les machines de fraisage Download PDF

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Publication number
EP0971075A1
EP0971075A1 EP99113115A EP99113115A EP0971075A1 EP 0971075 A1 EP0971075 A1 EP 0971075A1 EP 99113115 A EP99113115 A EP 99113115A EP 99113115 A EP99113115 A EP 99113115A EP 0971075 A1 EP0971075 A1 EP 0971075A1
Authority
EP
European Patent Office
Prior art keywords
milling drum
handling device
dust
suction
conveyor belt
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
EP99113115A
Other languages
German (de)
English (en)
Other versions
EP0971075B1 (fr
Inventor
Romolo Bitelli
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.)
Caterpillar Paving Products Inc
Original Assignee
Bitelli SpA
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 Bitelli SpA filed Critical Bitelli SpA
Publication of EP0971075A1 publication Critical patent/EP0971075A1/fr
Application granted granted Critical
Publication of EP0971075B1 publication Critical patent/EP0971075B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/50—Methods or devices for preventing dust by spraying or sucking

Definitions

  • the invention concerns a device to be applied to scarifiers tor road surfaces, especially suitable tor sucking up dust and fumes that are produced when removing the actual road surfaces.
  • scarifiers are machines used to remove the surface asphalt that covers road courses. They basically involve a frame mounted on wheels, provided with a tractor engine, a driver's cab and at least one milling drum set against the road surface to be broken up.
  • the milling drum is made to rotate and, by means of the protruding tines covering its circumference, it breaks up the road surface that it is set against and which it is made to break down into.
  • the material resulting from said breaking up process can still be implemented tor subsequent uses and is therefore removed from the milling drum work area before continuing the digging.
  • the most recent scarifiers are fitted with a conveyor belt that continuously collects the material resulting from breaking up the road surface, directly during the actual breaking up process, using the centrifugal force that the milling drum exerts on the material as it is being broken up.
  • the conveyor belt then channels the material that has been broken up towards a second elevator belt that is part of an adjustable loader that allows the material to be fed into the body of a dump truck that drives alongside the scarifier while it is working.
  • the broken up material can then be transported to a collection site, ready tor subsequent reuse.
  • One of the major problems found when using the aforementioned scarifiers is that a substantial quantity of bitumen dust and fumes are produced as a result of the enormous friction that the ripper equipment exerts on the asphalt surface to remove it completely.
  • the cloud of dust and fumes mainly builds up around the work area, but it rapidly spreads upwards and along the two belts, especially around the conveyor, which collects and moves the material away from the milling drum.
  • a similar harmful environment and visual disturbance also affect the other workers assisting in the work of breaking up the road surface, not to mention passers by that are more or less surrounded by clouds of dust and fumes raised by the machine.
  • This invention intends to prevent these damaging effects and overcome the inconveniences mentioned above.
  • One particular scope of the invention is to produce a scarifier fitted with a means of sucking the harmful dust and fumes that are produced during the breaking up of road surfaces.
  • a dust suction and handling device on a scarifier that, in accordance with the main claim, includes at least one milling drum, at least one conveyor belt for the removed material adjacent to the milling drum and one elevator belt to channel the material into a collection site, and it is characterised in that it includes:
  • the dust suction and handling device is fitted with a centrifugal suction fan driven by a hydraulic motor and connected to a cyclone filter designed to withhold the harmful fumes and also separate the solid particles suspended in the dust.
  • the invention device proves its advantage when applied to a scarifier 1 that has the milling drum 2 on its underside fitted with a mass of protruding tines 21 covering its circumference designed to break up a road surface as wide as the drum itself.
  • said milling drum is made to rotate by a suitable motor and raise the broken up material by launching it by centrifugal force over the conveyor belt 3 that is running in a continuous loop.
  • the invention device prevents this diffusion by means of the housing 4 that covers the milling drum 2 over its front section, where there is the greatest turbulence, and is connected with the tunnel 5 that covers the conveyor belt 3 along its whole length towards the second elevator belt 13.
  • Said tunnel 5 has louvers 51 along both side walls to suck in air from the outside so that the dust around the broken up material on the conveyor belt is sucked up by the action of the centrifugal suction fan 7 in the housing 4.
  • Said duet channels the dust and fumes towards the centrifugal suction fan 7 that has a vertical branch 72 in line with its suction inlet 71 to collect free falling larger sized solid particles contained in the sucked dust.
  • the bottom of this branch is closed by a hatch 73 that is only opened under the weight of a pre-set quantity of deposited material, which is discharged onto the ground and the hatch 73 then returns shut immediately afterwards.
  • the centrifugal suction fan 7 is preferably driven by a hydraulic motor, electrically controlled by the operation of the milling drum.
  • This suction fan has its outlet 74 coupled to the inlet of the filter 11 that separates the solid particles still present in the dust, discharging them by gravity into a vertical chute 12 that has its bottom fitted with a tipping discharge hatch 121 similar to the one described above.
  • the outlet flue 111 of the filter only gives off purified air, that is thereby of no harm to persons and environment.
  • the example illustrated in the attached diagram belongs to the most recent generation of scarifiers that incorporates a second elevator belt 13 on its front, belonging to a loader 14. Said loader can be adjusted in height to suit the position of a dump truck's body that proceeds before the scarifier and collects the broken up material.
EP99113115A 1998-07-09 1999-07-07 Machine de fraisage avec un dispositif d'aspiration et de traitement de poussières Expired - Lifetime EP0971075B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98VI000132A ITVI980132A1 (it) 1998-07-09 1998-07-09 Dispositivo di aspirazione e trattamento delle polveri prodotte dalle macchine scarificatrici
ITVI980132 1998-07-09

Publications (2)

Publication Number Publication Date
EP0971075A1 true EP0971075A1 (fr) 2000-01-12
EP0971075B1 EP0971075B1 (fr) 2005-11-09

Family

ID=11426759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99113115A Expired - Lifetime EP0971075B1 (fr) 1998-07-09 1999-07-07 Machine de fraisage avec un dispositif d'aspiration et de traitement de poussières

Country Status (4)

Country Link
EP (1) EP0971075B1 (fr)
AT (1) ATE309416T1 (fr)
DE (1) DE69928176T2 (fr)
IT (1) ITVI980132A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10047443A1 (de) * 2000-09-21 2002-04-25 Manfred Rottler Verfahren und Vorrichtung zum Beseitigen von Bodenbelägen
EP1367176A1 (fr) 2002-05-22 2003-12-03 BITELLI S.p.A. Système anti-poussière pour machine de construction de chaussées
WO2003100172A1 (fr) 2002-05-28 2003-12-04 Wirtgen Gmbh Unite et procede d'aspiration pour eliminer la poussiere sur des fraiseuses
DE102004007716B3 (de) * 2004-02-16 2005-06-16 Wirtgen Gmbh Fräsmaschine sowie Verfahren zum Bearbeiten von Bodenoberflächen
WO2010045952A1 (fr) * 2008-10-21 2010-04-29 Marini S.P.A. Machine à niveler les chaussées pour fraiser les surfaces de roulement
US8220875B2 (en) 2008-03-12 2012-07-17 Marini S.P.A. Road planer for milling road surface
US8349835B2 (en) 2008-02-14 2013-01-08 Shenyang Pharmaceutical University Aromatic ring fused triazine derivatives and uses thereof
US8985701B2 (en) * 2012-07-12 2015-03-24 Caterpillar Paving Products Inc. Cold planer having multi-inlet exhaust system
CN107264650A (zh) * 2016-04-06 2017-10-20 宝马格有限公司 包括可调整的驾驶室的自行走机器特别是建筑机器以及用于调整自行走机器的驾驶室的方法
CN112136391A (zh) * 2020-09-29 2020-12-29 徐东才 一种用于市政工程的园林草地种植设备
CN114808627A (zh) * 2022-06-29 2022-07-29 湖北省高创公路工程咨询监理有限公司 一种高速公路施工质量监理设备及方法
EP4296430A1 (fr) * 2022-06-22 2023-12-27 BOMAG GmbH Fraiseuse de sol et procédé de fonctionnement d'un dispositif d'aspiration de poussière d'une fraiseuse de sol

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012216262B3 (de) * 2012-09-13 2013-10-17 Wirtgen Gmbh Walzengehäuse für eine Arbeitswalze einer Baumaschine oder Abbaumaschine, Baumaschine oder Abbaumaschine, sowie Verfahren zum Überwachen des Zustandes einer Arbeitswalze einer Baumaschine oder Abbaumaschine
CN111877443B (zh) * 2020-03-11 2024-03-26 四川猎石者龙宇科技有限公司 破岩装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561145A (en) * 1984-02-16 1985-12-31 Latham Winchester E Continuous sweep for road planing and milling machines
US5063713A (en) * 1990-12-20 1991-11-12 Accent Stripe Inc. Surface abrading and particle collection device
US5378081A (en) * 1994-02-16 1995-01-03 Swisher, Jr.; George W. Milling machine with front-mounted cutter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561145A (en) * 1984-02-16 1985-12-31 Latham Winchester E Continuous sweep for road planing and milling machines
US5063713A (en) * 1990-12-20 1991-11-12 Accent Stripe Inc. Surface abrading and particle collection device
US5378081A (en) * 1994-02-16 1995-01-03 Swisher, Jr.; George W. Milling machine with front-mounted cutter

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10047443A1 (de) * 2000-09-21 2002-04-25 Manfred Rottler Verfahren und Vorrichtung zum Beseitigen von Bodenbelägen
DE10047443C2 (de) * 2000-09-21 2003-11-20 Manfred Rottler Verfahren und Vorrichtung zum Beseitigen von Bodenbelägen
EP1367176A1 (fr) 2002-05-22 2003-12-03 BITELLI S.p.A. Système anti-poussière pour machine de construction de chaussées
US7422390B2 (en) 2002-05-28 2008-09-09 Wirtgen Gmbh Milling machine for machining ground surfaces as well as a method for the disposal of dusts and fumes produced during the milling at a milling machine
DE10223819A1 (de) * 2002-05-28 2003-12-24 Wirtgen Gmbh Fräsmaschine zum Beareiten von Bodenoberflächen, sowie Verfahren zum Erzeugen von während der Fräsbearbeitung entstehenden Stäuben und Dämpfen an einer Fräsmaschine
DE10223819B4 (de) * 2002-05-28 2005-05-12 Wirtgen Gmbh Fräsmaschine zum Bearbeiten von Bodenoberflächen, sowie Verfahren zum Entsorgen von während der Fräsbearbeitung entstehenden Stäuben und Dämpfen an einer Fräsmaschine
WO2003100172A1 (fr) 2002-05-28 2003-12-04 Wirtgen Gmbh Unite et procede d'aspiration pour eliminer la poussiere sur des fraiseuses
DE102004007716B3 (de) * 2004-02-16 2005-06-16 Wirtgen Gmbh Fräsmaschine sowie Verfahren zum Bearbeiten von Bodenoberflächen
US7219964B2 (en) 2004-02-16 2007-05-22 Wirtgen Gmbh Milling machine as well as method for working ground surfaces
US8349835B2 (en) 2008-02-14 2013-01-08 Shenyang Pharmaceutical University Aromatic ring fused triazine derivatives and uses thereof
US8220875B2 (en) 2008-03-12 2012-07-17 Marini S.P.A. Road planer for milling road surface
CN101970759B (zh) * 2008-03-12 2014-05-07 马林公司 用于磨削路面的改进的刨路机
WO2010045952A1 (fr) * 2008-10-21 2010-04-29 Marini S.P.A. Machine à niveler les chaussées pour fraiser les surfaces de roulement
US8985701B2 (en) * 2012-07-12 2015-03-24 Caterpillar Paving Products Inc. Cold planer having multi-inlet exhaust system
CN107264650A (zh) * 2016-04-06 2017-10-20 宝马格有限公司 包括可调整的驾驶室的自行走机器特别是建筑机器以及用于调整自行走机器的驾驶室的方法
CN107264650B (zh) * 2016-04-06 2021-07-20 宝马格有限公司 包括可调整的驾驶室的自行走机器特别是建筑机器以及用于调整自行走机器的驾驶室的方法
CN112136391A (zh) * 2020-09-29 2020-12-29 徐东才 一种用于市政工程的园林草地种植设备
EP4296430A1 (fr) * 2022-06-22 2023-12-27 BOMAG GmbH Fraiseuse de sol et procédé de fonctionnement d'un dispositif d'aspiration de poussière d'une fraiseuse de sol
CN114808627A (zh) * 2022-06-29 2022-07-29 湖北省高创公路工程咨询监理有限公司 一种高速公路施工质量监理设备及方法

Also Published As

Publication number Publication date
EP0971075B1 (fr) 2005-11-09
DE69928176T2 (de) 2006-08-03
ITVI980132A1 (it) 2000-01-09
ATE309416T1 (de) 2005-11-15
DE69928176D1 (de) 2005-12-15

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