EP1073798B1 - Dispositif de traitement de chaussees - Google Patents

Dispositif de traitement de chaussees Download PDF

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Publication number
EP1073798B1
EP1073798B1 EP99910299A EP99910299A EP1073798B1 EP 1073798 B1 EP1073798 B1 EP 1073798B1 EP 99910299 A EP99910299 A EP 99910299A EP 99910299 A EP99910299 A EP 99910299A EP 1073798 B1 EP1073798 B1 EP 1073798B1
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EP
European Patent Office
Prior art keywords
discharge
tank
grit
measuring
machine frame
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.)
Expired - Lifetime
Application number
EP99910299A
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German (de)
English (en)
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EP1073798A1 (fr
Inventor
Thomas Mannebach
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Wirtgen GmbH
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Wirtgen GmbH
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Publication date
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Classifications

    • 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
    • E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
    • E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
    • E01C19/2025—Throwers with substantially horizontal axis, e.g. drums or brushes rotated to fling the material at the surface
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
    • E01C19/2035—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels both rotating parts and reciprocating, oscillating, jolting or vibrating parts
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C2019/2055—Details not otherwise provided for
    • E01C2019/2065—Sensing the quantity of the material actually being distributed

Definitions

  • the invention relates to a self-propelled device for Editing lanes according to the preamble of the claim 1.
  • Such road construction machines have one on the machine frame attached storage container for grit, its discharge with a dosing and discharge device can be coupled.
  • a dosing and discharge device can spread material, namely for example granules, grit, powdered grit, Binder, lime or cement distributed on the road become.
  • Discharge devices for grit are also used in construction machinery for material processing (recyclers), namely e.g. for stabilizing insufficiently load-bearing floors, for the powdering of hard asphalt surfaces up to Recycle bound or unbound road surfaces needed.
  • recyclers material processing
  • Known road construction machines (WO 96/24725) mostly have a work roll rotating in a work chamber, the to adapt to the surface to be processed in the Usually height and incline adjustable.
  • Such machines are often used for soil stabilization and / or mortar, i.e. to increase the load capacity poorly loadable floors or to create one hydraulically bound base layer used.
  • the procedure relies on the soil with hydraulic binders (Lime, cement (suspension), emulsion or similar) to mix, which binds the moisture. Subsequently can be leveled with a grader and be compacted by means of a roller.
  • hydraulic binders Li, cement (suspension), emulsion or similar
  • the binder is usually made with a so-called Soil stabilizer, which uses a milling / mixing rotor features.
  • Soil stabilizer which uses a milling / mixing rotor features.
  • the binder is used beforehand applied to the ground by a separate gritter.
  • this is only on a relatively flat, well navigable surface Possible because the gritters are mostly on the Based on a three-axle truck and built accordingly are little off-road. It also involves this procedure the time between spreading and milling relatively long, which is a possible blowing away of the binder and favors a lot of dust.
  • Cement can also be used as a suspension for dust-free addition (dissolved in water) are added. This method is only applicable if additional water in the soil should be introduced. For floors with already this method is not suitable for a high water content.
  • the suspension mixer must be in front of or behind the machine be pushed or pulled, which in turn only is possible in relatively flat terrain.
  • From DE-A-39 12 848 is a gritter for granular and / or powdery media known, the one on the machine frame attached storage container for grit has, with a metering and at the rear lower end Discharge device is arranged. Between a cross conveyor below the storage container and a metering roller a spreading width adjustment device is provided.
  • Another spreading vehicle is known from WO-A-97/20109 with a storage container at the lower end a dosing and discharge device is provided for the grit and with one connected to the machine frame Work roll surrounded by a hood.
  • the invention has for its object a construction machine for stabilizing poorly loadable floors or for To further develop recycling of road surfaces in such a way that the spreading of spreading material in a selectable spreading width is made possible and at which the risk of drifts of the grit and the risk of dust formation is reduced is.
  • the arrangement of a spreading width adjustment device between the storage container and the dosing and discharge device has the advantage that the spread or the Position of the spreading lane within the entire working width the device is variably adjustable and as required set differently during the work process can be.
  • All locking elements of the spreading width adjustment device are both in the open position and in the Closed position arranged within the discharge and sealed to the outside. In this way the Reduced susceptibility to spreading device adjustment, by avoiding contamination and sticking of the locking elements can occur.
  • the spreading width adjustment device preferably exists from several separately controllable, in the width direction juxtaposed locking segments. In this way the spreading width adjustment device can be segmented to be served.
  • the locking segments from at least one pivotable Flap exist.
  • the swiveling flaps can discharge of the storage container in the direction of the working width partially close the device, the flaps in the open position to a vertical position and in Closed position pivoted into an almost horizontal position become. When swiveling the flaps around an axis running parallel to the working direction the free ends of the flaps partially overlap.
  • flaps with one another are coupled and can be pivoted together.
  • the flaps that can be pivoted together form a locking segment, for example using a single adjustment device is controllable.
  • the dosage is regulated purely volumetric or additionally taking into account the actually carried out Dimensions.
  • the purely volumetric dosage regulates here the speed of the rotary valve as a function of the current one Driving speed.
  • One turn of the rotary valve corresponds to a precisely defined, unchangeable Volume flow in liters / revolution. additionally can be the storage container for the spreading material on load cells be hung up. Then the speed is regulated based on the actually discharged mass of the grit in kg.
  • the storage container can be filled with powder Spreading material is done pneumatically, the spreading material e.g. Binder is blown into the container.
  • the forced Exhaust air is discharged into the Environment cleaned in an exhaust air filter.
  • Dosing and discharge device for powdered binder with storage container and spreading width adjustment device integrated can be used wherever a soil stabilizer can work, also applied the binder become.
  • Fig. 1 shows a recycler for processing lanes with a machine frame supported by two trolleys 1 and an operator's station consisting of a driver's cab 23.
  • the driver's cabin 23 is on the machine frame 1 Can be moved across the direction of travel.
  • the trolleys point at the front and rear of the Machine frame 1 two together or optionally individually steerable chassis axles 4, in which each wheel 6 with its own hydraulic drive in the form of a hydraulic motor is provided and, if necessary, can be controlled separately can.
  • Each wheel 6 is with a height adjustment device 25 provided so that the height of the machine frame 1 and if necessary, its inclination exactly at work or transport height is adjustable.
  • the entire machine weight is concentrated thus on the area between the chassis axles 4, being offset below the driver's cab to the center of the machine a hood 7 is fixed in place, the one as Working space serving one relative to the Machine frame 1 height-adjustable, rotating work roll 8, e.g. a milling drum limited.
  • the recycler has one attached to the machine frame 1 Storage container 14 for the spreading material 5, e.g. Binder, as well as one with a spreading width adjustment device 30 provided metering and discharge device 10 on, which is designed in the form of a rotary valve 11.
  • the storage container 14 extends between the driver's cabin 23 and the hood 7 of the work roll 8 and is on Machine frame 1 attached. Powdered grit 5 can be filled pneumatically into the reservoir 14 become. At the upper end of the reservoir 14 is with an exhaust air filter 26 so that the pneumatic Filling the storage container 14 no dust to the outside can penetrate.
  • the walls 20 of the storage container 14 can run funnel-shaped.
  • the rotary valve in a discharge 15 11, with which the grit 5 is dispensed who can.
  • the discharge of the grit 5 or binder takes place depending on the speed of advance the machine with the help of a computer control.
  • the Cell lock 11 is via a gear 16 to one Hydraulic motor 12 connected.
  • Below the rotary valve 11 are flexible sealing walls 18, e.g. out Rubber mats provided that the discharge 15, which is preferably extends over the entire width of the machine, seals against the bottom 2.
  • To hood 7 are the sealing walls 18 open, so that from the Discharge 15 dispensed grit / binder 5 within that enclosed by the sealing walls 18 Floor area is placed on the floor 2.
  • the grit / binder 5 is then immediately after the distribution run over by the work roll 8 and with the milled off Soil 2 mixed. This way no cement or Lime dust comes out, causing the binder 5 powdery, i.e. can be integrated without water.
  • Level sensors 24 on the walls 20 of the storage container 14 give signals to the controller, these signals can also be used to vibrate vibrators 22, which is also on the walls 20 of the storage container 14 are arranged to control.
  • the control of the rotary valve 11 can also additionally to the control depending on the speed of advance experienced a fine control that a weighing device, not shown in detail discharged quantity of grit recorded and accordingly the Corrected the speed of the rotary valve 11.
  • the weighing device can, for example, from below the storage container 14 arranged load cells exist.
  • spreading width adjustment device 30 is between the dosing and discharge device 10 and the reservoir 14 preferably in the discharge 15 of the storage container 14 is arranged.
  • FIG. 2 shows only the funnel-shaped discharge 15 of the storage container, in which the from a rotary valve 11 existing metering and discharge device 10 at the bottom End is arranged.
  • the rotary valve 11 is between two mutually extending to the direction of travel parallel vertical walls 17 of the discharge 15 arranged and preferably extends over the entire working width of the machine frame 1.
  • Above the rotary valve 11 is the spreading width adjustment device 30 as well arranged between the vertical walls 17.
  • the spreading width adjustment device 30 is, as best seen in Fig. 4 can be seen, formed from a plurality of locking segments 32. As shown in Figs. 4 and 5 is recognizable Locking segments 32 do not span the entire width of the rotary valve 11 arranged. In the middle of the rotary valve 11, an area can be provided without blocking segments his.
  • the width of the area that cannot be blocked can for example, be 500 mm.
  • Neither side of the lockable area are in the embodiments the fig. 4 and 5 each have four locking segments 32, each locking segment 32 by means of a piston-cylinder unit 35.36 can be adjusted.
  • the width a locking segment 32 can be, for example, 250 mm.
  • a valve control device 44 enables the individual or combined control of the blocking segments 32 via the piston-cylinder units 35.36.
  • FIG. 3 shows two blocking segments arranged next to one another 32 in different swivel positions.
  • the piston-cylinder unit 35, 36 becomes a two-armed one Swivel lever 38 pivots with the help of the same time and three flaps 34 are pivoted synchronously by approximately 90 ° can.
  • the pivot axes of the flaps 34 parallel to the working direction of the machine.
  • the subdivision a locking segment 32 on several pivotable Flaps 34 has the advantage of only a small height and Require installation depth so that the spreading width adjustment device 30 without difficulty with a dosing and Discharge device 10 can be combined without the Increase the length and / or width of the machine. How out 3 can be seen in the flaps in almost horizontal closed position partially overlap each other. It can be connected to the flap 34 in a rotationally fixed manner Axle shaft 50 arranged asymmetrically relative to the flap 34 be, i.e. that the flap 34 on both sides of the Axle shaft 50 protrudes unevenly.
  • the two-armed pivot lever 38 actuated by the piston 35 first pivots the central flap 34 of a locking segment 32 and also moves a coupling link 40, which on the free arm of the two-armed pivot lever 38 is articulated.
  • the coupling member 40 is at its ends with two further pivot levers 42 coupled to pivot of the outer flaps 34 via their axle shafts 50 serve.
  • coupling link with more than two pivot levers 42 can be connected, for example per locking segment 32 five flaps 34 simultaneously and to pivot parallel to each other.
  • the coupling element 40 accordingly enables the synchronous and parallel pivoting of all flaps 34 of a locking segment 32nd
  • the figures 4 and 5 show a total of eight blocking segments 32, of which only the blocking segment located on the left edge 32 is pivoted into the locked position.
  • the flaps 34 extend over the entire opening cross section of the discharge 15 between the walls 17.
  • the discharge 15 is connected to the reservoir 14 via the flange 19.
  • they run through the axle shafts 50 and the stub axles 48 defined swivel axes of the flaps 34 parallel to the working direction of the machine.
  • the axle shafts 50 and the stub axles 48 are in bearings 46 held on the outside of the walls 17, wherein the axle shafts 50 through the wall 17 to the outside guided and rotatably connected to the pivot levers 38 are.
  • the piston-cylinder units are also 35,36 attached to the outside of the discharge 15.
  • a fill level sensor 24 is arranged in the area of the funnel-shaped section of the discharge 15 .
  • the flexible wall 18 already described flanged, for example, from a rubber material can exist and in the direction of work and the side Discharge seals.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)

Claims (16)

  1. Engin de chantier pour la stabilisation de sols peu résistants à l'écrasement ou pour le recyclage de surfaces de chaussée comportant
    un mécanisme de roulement automoteur qui porte un châssis d'engin (1),
    un moteur d'entraínement pour l'entraínement de dispositifs de travail (8) et pour la traction , et
    un réservoir (14) fixé au châssis d'engin (1) pour le matériau à répandre (5) avec une sortie (15) s'étendant transversalement à la direction de roulement,
    un dispositif de dosage et d'extraction (10) installé sous le réservoir (14) au niveau de la sortie (15) pour le matériau à répandre,
    le châssis d'engin (1) supportant un cylindre de travail (8) muni d'un capot (7), et le dispositif de dosage et d'extraction (10) étant disposé directement en avant du cylindre de travail (8) dans le sens de travail (3), et
    caractérisé en ce que
    le réservoir (14) comporte une sortie (15) s'étendant sur toute la largeur du châssis d'engin (1),
    un dispositif de réglage de la largeur de distribution (30) est disposé entre le réservoir (14) et le dispositif de dosage et d'extraction (10) s'étendant sur toute la largeur du châssis d'engin (1), et
    l'extrémité inférieure du dispositif de dosage et d'extraction (10) est ouverte en direction du capot (7) et est rendue étanche par rapport au sol latéralement et dans le sens de roulement .
  2. Dispositif selon la revendication 1, caractérisé en ce que plusieurs éléments de fermeture (32, 34) du dispositif de réglage de la largeur de distribution (30) sont disposés aussi bien en position d'ouverture qu'en position de fermeture à l'intérieur de la sortie (15) du réservoir (14) et sont rendus étanches par rapport à l'extérieur.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les éléments de fermeture du dispositif de réglage de la largeur de distribution (30) se composent de plusieurs segments de fermeture (32) disposés les uns à côté des autres dans le sens de la largeur et aptes à être commandés séparément.
  4. Dispositif selon la revendication 3, caractérisé en ce que les segments de fermeture (32) consistent en au moins un volet pivotant (34).
  5. Dispositif selon la revendication 4, caractérisé en ce que plusieurs volets (34) d'un segment de fermeture (32) sont couplés entre eux et sont aptes à basculer ensemble.
  6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce que plusieurs segments de fermeture (32) sont réglables ensemble.
  7. Dispositif selon l'une des revendications 2 à 6, caractérisé en ce que le dispositif de dosage et d'extraction (10) est placé dans la sortie (15) du réservoir (14).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif de dosage et d'extraction (10) pour le matériau à répandre (5) se compose d' un distributeur à roue à alvéoles (11) dont la vitesse de rotation peut être commandée en fonction de la vitesse d'avancement.
  9. Dispositif selon la revendication 8, caractérisé en ce qu'un dispositif de pesage, par exemple des cellules de pesage disposées au-dessous du réservoir (14), pèse le matériau à répandre délivré et règle en outre la vitesse de rotation du distributeur à roue à alvéoles (11) en fonction du matériau à répandre effectivement délivré.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le matériau à répandre (5) consiste en un liant pulvérulent.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce qu' à l'extrémité inférieure du dispositif de dosage et d'extraction (10) est disposée une paroi d'étanchéité flexible (18) qui est ouverte en direction du capot (7) et qui assure une étanchéité par rapport au sol latéralement et dans le sens de roulement.
  12. Dispositif selon l'une des revendications 1 à 11, caractérisé en ce que des vibreurs (22) sont disposés sur les parois (20) du réservoir.
  13. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce que le réservoir (14) comporte plusieurs capteurs de remplissage (24).
  14. Dispositif selon la revendication 13, caractérisé en ce que les vibreurs (22) sont aptes à être commandés en fonction des signaux des capteurs de remplissage (24).
  15. Dispositif selon l'une des revendications 1 à 14, caractérisé en ce que le réservoir (14) est apte à être rempli pneumatiquement de matériau à répandre pulvérulent (5).
  16. Dispositif selon l'une des revendications 1 à 15, caractérisé en ce que le réservoir (14) comporte un filtre de sortie d'air (26).
EP99910299A 1998-04-24 1999-02-27 Dispositif de traitement de chaussees Expired - Lifetime EP1073798B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19818542A DE19818542A1 (de) 1998-04-24 1998-04-24 Vorrichtung zum Bearbeiten von Fahrbahnen
DE19818542 1998-04-24
PCT/EP1999/001287 WO1999055969A1 (fr) 1998-04-24 1999-02-27 Dispositif de traitement de chaussees

Publications (2)

Publication Number Publication Date
EP1073798A1 EP1073798A1 (fr) 2001-02-07
EP1073798B1 true EP1073798B1 (fr) 2003-02-19

Family

ID=7865780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99910299A Expired - Lifetime EP1073798B1 (fr) 1998-04-24 1999-02-27 Dispositif de traitement de chaussees

Country Status (3)

Country Link
EP (1) EP1073798B1 (fr)
DE (2) DE19818542A1 (fr)
WO (1) WO1999055969A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8956076B2 (en) 2012-11-27 2015-02-17 Wirtgen Gmbh Method for the treatment of layers, as well as construction machine, in particular soil stabilizer or recycler

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20114300U1 (de) * 2001-08-31 2001-10-25 Hermann Kirchner GmbH & Co KG, 36251 Bad Hersfeld Einstreumischfahrzeug
EP1749769B1 (fr) * 2005-08-01 2009-10-28 Wolfgang Kindler Dispositif de dosage de poudre
DE102006004946B4 (de) * 2005-12-08 2010-04-29 BLüCHER GMBH Funktionelles Bekleidungsstück, insbesondere ABC-Schutzbekleidung, mit integrierter Meßeinrichtung
DE102012024769A1 (de) 2012-12-18 2014-06-18 Bomag Gmbh Baumaschine zum Einmischen wenigstens eines schüttgutartigen Zuschlagstoffs in den Bodenuntergrund, insbesondere Bodenstabilisierer und/oder Recycler
CN108360335B (zh) * 2018-02-28 2020-03-06 中国科学院寒区旱区环境与工程研究所 砾石铺设车

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB937356A (en) * 1961-04-29 1963-09-18 Nat Res Dev Improvements in machines for spreading granular or pulverulent material
DE3543902C1 (en) * 1985-12-12 1987-05-27 Kloeckner Becorit Gmbh Device for breaking up rough and lumpy roadway pieces
DE3912848A1 (de) * 1989-04-19 1990-10-25 Kirchhoff Strassenbau Gmbh F Streufahrzeug fuer koernige und/oder pulvrige medien
FR2663655B1 (fr) * 1990-06-20 1992-10-09 Rabaud Sa Procede de controle d'epandage de liant et moyens pour la mise en óoeuvre du procede.
DE19504495A1 (de) 1995-02-12 1996-08-22 Wirtgen Gmbh Maschine zur Erneuerung von Fahrbahnen
FR2741645B1 (fr) * 1995-11-28 1998-01-02 Medinger Jean Claude Epandeur pour traitement de terrain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8956076B2 (en) 2012-11-27 2015-02-17 Wirtgen Gmbh Method for the treatment of layers, as well as construction machine, in particular soil stabilizer or recycler

Also Published As

Publication number Publication date
WO1999055969A1 (fr) 1999-11-04
DE19818542A1 (de) 1999-11-04
EP1073798A1 (fr) 2001-02-07
DE59904336D1 (de) 2003-03-27

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