EP2799156B1 - Procédé de nettoyage de finisseuses de route ou chargeurs - Google Patents

Procédé de nettoyage de finisseuses de route ou chargeurs Download PDF

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Publication number
EP2799156B1
EP2799156B1 EP14001460.6A EP14001460A EP2799156B1 EP 2799156 B1 EP2799156 B1 EP 2799156B1 EP 14001460 A EP14001460 A EP 14001460A EP 2799156 B1 EP2799156 B1 EP 2799156B1
Authority
EP
European Patent Office
Prior art keywords
road
paver
building material
feeder
compressed air
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
EP14001460.6A
Other languages
German (de)
English (en)
Other versions
EP2799156A1 (fr
Inventor
Jan Verstraeten
Herman Matthyssen
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.)
Dynapac GmbH
Original Assignee
Dynapac 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 Dynapac GmbH filed Critical Dynapac GmbH
Publication of EP2799156A1 publication Critical patent/EP2799156A1/fr
Application granted granted Critical
Publication of EP2799156B1 publication Critical patent/EP2799156B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities

Definitions

  • the invention relates to a method for cleaning road pavers or feeders according to the preamble of claim 1.
  • Road pavers and feeders work with road construction material, which leads to contamination of at least some components of the road paver or feeder. This applies in particular to road pavers and feeders that come into contact with hot and sticky, bituminous road building material (asphalt). The adhering to various components of these machines road construction material can lead to malfunction or even damage. This applies in particular if accumulations of road building material form after a long period of operation.
  • EP1203705 discloses an automatic cleaning of road finishers wherein a liquid is applied selectively to components of the paver.
  • the invention has for its object to provide a method for easy cleaning of pavers and feeders.
  • a method for achieving this object comprises the measures of claim 1.
  • the road building material adhering to the road paver or feeder is removed at least by a pressurized gas.
  • the pressurized gas acts in the manner of pneumatic knives, which peel off the adhering road construction material pneumatically from the paver or feeder and thus spray it down virtually pneumatically.
  • the use of gas does not cause any liquid detergents which have to be rinsed up and disposed of during pneumatic cleaning.
  • At least some components of the paver or feeder coming into contact with the road construction material are preferably cleaned by pressurized gas, in particular at least partially freed from adhering road building material.
  • the entire paver or feeder does not need to be cleaned. Instead, the components of the road paver or feeder that are affected by adhering road construction material are purposely cleaned. This can be done automatically by suitable, in particular selected locations of the paver or feeder associated outlet openings for pressurized gas.
  • the cleaning can be carried out selectively at those points of the paver or feeder, which are particularly critical in terms of adhering or accumulating road construction material. It is also conceivable, however, to clean not only selected but all components of the road paver or feeder which come into direct or indirect contact with road construction material by at least partially pneumatic removal of the adhering road construction material by pressurized gas.
  • the pressurized gas is directed transversely to the direction in which the road building material is to be removed onto the road building material to be removed. This results in a particularly effective pneumatic peeling or pneumatic scraping or stripping of adhering to the affected components of the paver or possibly also fixed road construction material instead. This approach is particularly economical because it manages with relatively small amounts of pressurized gas.
  • An expedient development of the method provides to direct pressurized gas at high speed to the road construction material to be removed.
  • the gas unfolds a similarly good cleaning effect as a jet of water or other washing liquid, and in particular because compressible gas can be directed with higher flow rate on the road construction material to be removed as a liquid.
  • the road building material with high-speed gas jets in particular bundled high-speed gas jets, acted upon.
  • continuous gas jets or pulsed gas jets can be used.
  • the aforementioned influences of the gas jets alone or in combination lead to a particularly effective and rapid cleaning of road pavers and feeders by the adhering road building material at least partially, preferably for the most part, of the affected components of the paver or feeder without liquids or possibly with only small amounts Liquid is removed. It only falls on the road paver or loader separate road construction material, because the gas escapes after hitting the road construction material, without affecting the road construction material.
  • the road building material removed or separated from the paver or feeder may therefore be reused if necessary.
  • Compressed air is used as the pressurized gas. It can thus be used to clean the paver or feeder ambient air, which is only to compact. As a result, the method according to the invention can be carried out very inexpensively. The cleaning can be done anytime, anywhere, possibly during operation of the paver or feeder. This requires the road paver or feeder no supply of water to be carried. Above all, there is no damage to the construction site if, where appropriate, also during operation of the paver or feeder, the cleaning takes place.
  • the road paver or loader and / or the road building material to be removed are first of all cleaned with a cleaning agent which is not pure Water is acted upon and then removed the road building material from the components with pressurized gas or compressed air.
  • the cleaning agent which is for example a solvent, serves to dissolve the road building material so that it can be more easily removed from the affected components of the road paver or feeder.
  • the cleaning agent thus facilitates the removal of adhering to the paver or road paver road construction material.
  • the road building material can be more easily separated from the affected components of the road paver or feeder, after this has been solved by previously and / or together with the gas, in particular air, cleaning agent used.
  • the cleaning agent is a modified gas or dissolved in gas cleaning agent used as an aerosol.
  • An alternative embodiment of the method provides, not to perform the cleaning in several steps, but with a mixture of gas and at least one cleaning agent.
  • Gas and liquid detergents can be mixed. It is also conceivable, however, to use air and a modified gas with cleaning properties.
  • the inventive method is used to specifically at least conveyor, storage tanks, screeds, augers, thrust rollers and / or chassis of road pavers or at least conveyor, storage containers, push rollers or chassis of feeders with compressed air, adhering road construction material, especially bituminous asphalt in the hot or also free cold condition.
  • the components mentioned, such as conveyors, storage containers, screeds, push rollers, augers and / or chassis are exposed to a high degree to be processed road construction material and may have adhesions of road construction material. Therefore, it is particularly advantageous to clean at least some of the above components, especially conveyors, storage tanks or screeds, as often as possible.
  • the cleaning can be done automatically without great effort, possibly even during the operation of the finisher or in only brief interruptions by a simple switching command, such as pressing a button , by the paver or loader operator.
  • a simple switching command such as pressing a button
  • the cleaning process is started and / or stopped.
  • the completion of the cleaning process may also be automated by automatically stopping cleaning after a set or preset cleaning time has elapsed.
  • the Indian Fig. 1 Road paver 10 shown schematically serves for the production of road surfaces. These may be bituminous road construction material, such as asphalt.
  • the paver 10 can also be used for the production of road surfaces made of other materials, such as concrete.
  • the paver 10 is self-propelled. For this purpose, it has a central drive unit 11.
  • the central drive unit 11 usually has an internal combustion engine which drives, for example, hydraulic pumps for supplying hydraulic motors and / or at least one generator for generating electrical energy.
  • the paver 10 has a chassis 12, which is formed in the embodiment shown as a crawler chassis.
  • the chassis 12 of the paver can also be a wheel drive.
  • the chassis 12 is driven by the drive unit 11 such that the paver 10 is movable in working direction 13. If the road paver is moved in working direction 13, the road surface can be made with it. If in the following from the front or back is mentioned, refers to the working direction 13 of the paver 10 and seen in working direction 13.
  • a trough or trough-shaped reservoir 14 is arranged before the drive unit 11 of the paver 10.
  • the reservoir 14 receives a supply of serving for the production of the road surface road construction material, such as asphalt on.
  • conveyors such as a so-called slat or scraper conveyor
  • the road building material from the reservoir 10 is transported under the drive unit 11 through the seen in working direction 13 rear end of the paver 10.
  • auger 15 From a behind the landing gear 12 arranged auger 15, the road construction material over the entire working width of the paver 10 is distributed.
  • a supply of road construction material passes in front of a behind the auger 15 on up and down movable support arms 16 attached to the chassis 12 screed 17.
  • the arranged on the back of the paver 10 screed 17 and the auger 15 can be both addressunver sourcelich and authenticationver selectedlich.
  • the paver 10 has a variable working width by the screed 13 has a central,ologyunver base board and arranged on opposite sides of the same shifting boards.
  • the auger 15 is widened by attachments at their opposite ends to accommodate the working width of the screed 17th
  • the rear wheels of trucks are based on the delivery of road construction material when they tip the road construction material into the reservoir 14.
  • a control stand 19 with the controls of the paver 10. From the control panel 19 from an operator can drive the paver 10 as well as control all operations and monitor.
  • the chassis 12 may include the components to which road construction material during operation of the paver 10 attached.
  • At least some of the mentioned components of the road paver 10 according to the invention are at least partially freed from adhering road construction material, ie cleaned, by compressed air or another gas. This can be done at any time, preferably during business interruptions, but also during operation of the road paver 10.
  • the cleaning of at least some components can optionally be done with the aid of a liquid or gaseous cleaning agent, together with the cleaning by compressed air or even before.
  • outlets for compressed air and detergent are preferably compressed-air nozzles. These can be designed so that they produce a cylindrical compressed air jet or an elongated compressed air curtain.
  • the outlet nozzles are formed in the latter case as slit nozzles. If cleaning is to take place with the aid of cleaning agents and separate outlets are provided for this, these are preferably round or elongate spray nozzles.
  • the compressed air nozzles and / or spray nozzles can be assigned to the components of the road paver 10 that are to be cleaned, either fixedly or movably on guides.
  • the compressed air nozzles are supplied from compressed at appropriate points of the paver 10 laid feed lines with compressed air.
  • the compressed air or other pressurized gas is generated by a central compressor, which is arranged at a suitable location of the paver 10, for example in the region of the drive unit 11 and driven by the internal combustion engine of the drive unit 11 directly or by hydraulic or electric motors.
  • the energy for operating the hydraulic motor or the electric motor is generated by a generator or a hydraulic pump that is driven by the internal combustion engine.
  • a central Compressor can also be provided smaller decentralized compressors in the area of each component to be cleaned.
  • the spray nozzles for cleaning agents are also supplied by suitable fixed or flexible supply lines.
  • the at least one cleaning agent is preferably supplied from at least one central detergent tank of the paver 10 via a pump with pressure to the spray nozzles.
  • each thrust roller 18 is assigned at least one compressed-air nozzle and optionally a spray nozzle so that they can clean the lateral surfaces of the thrust rollers 18 and / or the areas of their bearings pneumatically with or without cleaning agent.
  • the reservoir 14 are a plurality of compressed air nozzles and optionally associated with spray nozzles so that the coming into contact with the road construction material inner sides of the reservoir 14 can be cleaned at least at the usual adhesions of road construction material having bodies.
  • the arrangement of the compressed-air nozzles and / or the spray nozzles is such that they are not impaired with filled reservoir 14 from road construction material by either above the level of the maximum filled reservoir 14 or protected by impaired by the road construction material in the reservoir 14 are arranged.
  • compressed air nozzles and / or spray nozzles under the ceiling of the room through which the scraper conveyor extends under the drive unit 11 through arranged.
  • the arrangement of the compressed air nozzles and the spray nozzles is made so that the scraper conveyor can be cleaned over its entire width and length over the entire surface.
  • compressed air nozzles and / or spray nozzles of the auger 15 may be assigned, in particular above the same distributed over the entire working width of the paver 10 so that the auger 15 can be achieved over its entire length.
  • the screed 17 is cleaned at least on those sides in which particularly much road construction material adheres. These are mainly the front of the auger 15 and the newly laid pavement smoothing lower smoothing surface 20 of the screed 17. But also the other sides of the screed 17 may optionally be cleaned.
  • the screed 17 compressed air nozzles and / or spray nozzles are assigned, in such a way that they can clean the surfaces as fully as possible and without the compressed air nozzles and / or spray nozzles Operation of the paver 10 are affected.
  • compressed-air nozzles and / or spray nozzles may be associated with the chassis 12, in particular the inside of the chains 21 of the chassis 12 and / or laterally next to the chains 21.
  • compressed air nozzles and / or spray nozzles are arranged fixedly or movably at corresponding points outside the chains 21.
  • At least one switch is provided on the operating stand 19. It is also conceivable to provide a control panel with a plurality of switches on the control station 19 in order to be able to start and end the cleaning process of the individual components independently of one another, that is to say individually. However, the termination of the cleaning process can be done automatically by this ends after a presettable period of time.
  • the control panel of the cleaning device may also have at least one selector switch to select whether the cleaning should only be done with compressed air or with compressed air and cleaning agent or cleaning agent and then compressed air with only slight contamination. Also, the dosage of the amount of detergent and / or the duration of the spraying of detergent can be adjustable from the control station 19.
  • the pneumatic cleaning is carried out by round or elongated compressed air nozzles at suitable locations of the paver 10.
  • the compressed air nozzles are designed so that a high velocity compressed air jet emerges from them. It is preferably a bundled, sharp compressed air jet.
  • the jet of compressed air is directed to such locations of the respective components of the paver 10, to which road construction material adheres. These are preferably those locations where accumulations of road building material form.
  • the compressed air jets are directed to the surfaces of the paver 10 to be cleaned so that they peel off or scrape off the road building material to be removed from the respective components of the paver 10 in the manner of a "pneumatic knife".
  • the round, flat or fan-shaped compressed air jets are longitudinally or slightly obliquely, namely wedge-like, associated with the surfaces to be cleaned.
  • the compressed air jets peel off the adhering road construction material pneumatically from the surfaces to be cleaned.
  • the auger 15 and / or the chassis 12 When pneumatically cleaning the scraper conveyor, the auger 15 and / or the chassis 12, it makes sense to drive them as when installing the road surface. As a result, for example, the scraper conveyor or the auger 15 run past the compressed air and spray nozzles, whereby a particularly intensive and uniform pneumatic cleaning takes place.
  • the at least one cleaning agent is preferably by own spray. nozzles directed to the road construction material to be removed, so that it is wetted with detergent, so that no detergent or as little detergent flows down. It is therefore worked with the least possible detergent, without excess detergent collects on the floor. After a certain exposure time, in which the cleaning agent has dissolved the road construction material to be removed, the pneumatic removal of the same takes place with the compressed air jets acting on the type of pneumatic knife.
  • the cleaning agent may be liquid detergent, but also an aerosol of liquid detergent and air.
  • a modified gaseous cleaning agent can be used.
  • the Fig. 2 shows a feeder 22 for supplying road pavers with road construction material.
  • the feeder 22 is designed to be self-propelled by having a chassis 23.
  • the chassis 23 is a chain chassis.
  • the feeder 22 may also have a wheel gear.
  • Above the chassis 23 is a drive unit 11 with an internal combustion engine and hydraulic pumps, hydraulic motors, generators, electric motors and at least one compressor.
  • An operating stand 25 is located above the drive unit 24.
  • the loader 22 moves in the working direction 26 in front of the paver 10 driven in the same direction. Information such as "front” and “back” also refer here seen in working direction 26.
  • a reservoir 27 is provided before the chassis 12 of the feeder 22, a reservoir 27 is provided.
  • the feeder 22 may also have a plurality of storage containers 27.
  • Rear of the feeder 22 is a laterally pivotable and up and down conveyor 28 is provided. From a free end 29 of the conveyor 28 road construction material in the reservoir 14 of the paver 10 is convertible.
  • a conveyor not shown, preferably a slat or scraper conveyor. This conveyor extends below the drive unit 24 of the feeder 22 and transports road building material from the reservoir 27 of the feeder 22 on the rear conveyor 28th
  • push rollers 30 are also provided at the feeder 22, which serve - as in paver 10 - for docking a road construction material into the storage container 27 of a lorries or other delivery vehicle tipping over.
  • feeder 22 Also with the feeder 22 are various components, in particular the reservoir 27, the push rollers 30, the conveyor 28, the scraper conveyor and the Suspension 23, in particular chains 31 thereof, soiling, namely in particular by adhering road construction material exposed.
  • the said components of the feeder 22 are also pneumatically cleaned by compressed air jets or jets of another gas, optionally with the aid of a cleaning agent.
  • the pressure medium nozzles and / or spray nozzles can in principle be designed and arranged at the feeder 22 in the same way as has been described in connection with the road paver 10. Accordingly, reference is made to avoid repetition on the relevant description of the paver 10 reference.
  • compressed air nozzles and / or spray nozzles are arranged distributed over the entire length of the upper run and / or the lower run.
  • the assignment of at least compressed air nozzles to the lower run of the conveyor 28 has the advantage that it may be continuously pneumatically cleaned during the loading operation of adhering road construction material, because the returning lower run of the conveyor 28 - apart from the pneumatically removed adhering road construction material - free of road construction material and thus always freely accessible for pneumatic cleaning. It can also be pneumatically cleaned by compressed air nozzles and / or spray nozzles deflecting and driving drums of the conveyor 28, in particular their lateral surfaces and / or bearings.

Landscapes

  • Road Paving Machines (AREA)

Claims (7)

  1. Procédé de nettoyage de finisseuses de route (10) ou de chargeurs (22), dans lequel le matériau de construction de route adhérant est enlevé au moins en majeure partie par voie fluidique de la finisseuse de route (10) ou du chargeur (22), le matériau de construction de route adhérant étant enlevé au moins par de l'air comprimé provenant de buses à air comprimé d'un transporteur (28), d'un récipient de stockage (14 ; 27), d'une poutre lisseuse (17), d'un convoyeur à racloir, d'une vis répartitrice (15), de rouleaux de poussée (18 ; 30) et/ou d'un châssis (12 ; 23) de la finisseuse de route (10) ou du chargeur (22), le matériau de construction de route étant sollicité avec des jets de gaz mis en faisceau à grande vitesse, pulsés ou continus et les buses à air comprimé étant disposées au niveau de chaque composant de la finisseuse de route (10) ou du chargeur (22) et l'air comprimé pouvant être généré par un compresseur disposé sur la finisseuse de route (10) ou le chargeur (22), le compresseur étant entraîné directement par un moteur à combustion interne de l'unité d'entraînement ou par des moteurs hydrauliques ou électriques.
  2. Procédé selon la revendication 1, caractérisé en ce que des composants sélectionnés ou la totalité des composants de la finisseuse de route (10) ou du chargeur (22) qui viennent en contact directement et/ou indirectement avec le matériau de construction de route, sont débarrassés au moins en partie, notamment du matériau de construction de route adhérant.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le gaz sous pression est orienté transversalement ou obliquement vers le matériau de construction de route à enlever, par rapport à la direction dans laquelle le matériau de construction de route est enlevé.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le gaz sous pression est orienté avec des jets de gaz à grande vitesse vers le matériau de construction de route à enlever.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins certains des composants à nettoyer de la finisseuse de route (10) ou du chargeur (22) et/ou le matériau de construction de route à enlever sont d'abord sollicités avec un agent de nettoyage et ensuite le matériau de construction de route est enlevé des composants avec le gaz sous pression ou l'air comprimé.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le matériau de construction de route est enlevé avec un mélange de gaz et d'agents de nettoyage.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que l'agent de nettoyage utilisé est un agent de nettoyage liquide.
EP14001460.6A 2013-05-02 2014-04-24 Procédé de nettoyage de finisseuses de route ou chargeurs Not-in-force EP2799156B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310007446 DE102013007446A1 (de) 2013-05-02 2013-05-02 Verfahren zum Reinigen von Straßenfertigern oder Beschickern

Publications (2)

Publication Number Publication Date
EP2799156A1 EP2799156A1 (fr) 2014-11-05
EP2799156B1 true EP2799156B1 (fr) 2016-12-28

Family

ID=50628604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14001460.6A Not-in-force EP2799156B1 (fr) 2013-05-02 2014-04-24 Procédé de nettoyage de finisseuses de route ou chargeurs

Country Status (2)

Country Link
EP (1) EP2799156B1 (fr)
DE (1) DE102013007446A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3106563A1 (fr) * 2015-06-19 2016-12-21 Dynapac GmbH Finisseuse de route, chargeur et dispositif d'homogeneisation
DE102015009530A1 (de) * 2015-06-19 2016-12-22 Dynapac Gmbh Straßenfertiger, Beschicker und Einrichtung zum Homogenisieren

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH142033A (de) * 1929-09-12 1930-08-31 Richter Alwin Vorrichtung zum Reinigen von Kraftfahrzeugen.
DE2716110A1 (de) * 1977-04-12 1978-10-26 Viktor Eckermann Fahrzeug, insbesondere selbstfahrendes gelaende- und/oder baufahrzeug
GB9324084D0 (en) * 1993-11-23 1994-01-12 Geraghty James F Cleaning system
WO1999027189A1 (fr) * 1997-11-20 1999-06-03 Gvs Mbh & Co. Kg Association d'appareils destinee a deposer et a precomprimer des couches d'asphalte
IT251177Y1 (it) * 2000-11-02 2003-11-04 Riparazioni Vezzani & C Off Kit per detergere macchine che utilizzano e lavorano bitumi vari e conglomerati bituminosi
US7132017B2 (en) * 2002-08-21 2006-11-07 Laurence George M Low-pressure cleaning system using high velocity high volume air
DE502006004020D1 (de) * 2006-11-27 2009-07-30 Joseph Voegele Ag Verfahren zum Herstellen eines Sprühteppichs und Strassenfertiger mit einem Sprühsystem
ES2543387T3 (es) * 2009-08-19 2015-08-18 Unilever N.V. Un proceso para limpiar superficies duras
GB201116987D0 (en) * 2011-09-30 2011-11-16 Kuhn Geldrop Bv Cleaning system for baler
DE202012011145U1 (de) * 2012-11-19 2013-02-01 Alexander Eckhart Reifenprofil und Fahrbahnreinigung mit Druckluft oder anderen gasförmigen Substanzen.

Non-Patent Citations (1)

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Title
None *

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Publication number Publication date
DE102013007446A1 (de) 2014-11-06
EP2799156A1 (fr) 2014-11-05

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