EP2886718B1 - Poutre dameuse pour une finisseuse de route - Google Patents

Poutre dameuse pour une finisseuse de route Download PDF

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Publication number
EP2886718B1
EP2886718B1 EP15154281.8A EP15154281A EP2886718B1 EP 2886718 B1 EP2886718 B1 EP 2886718B1 EP 15154281 A EP15154281 A EP 15154281A EP 2886718 B1 EP2886718 B1 EP 2886718B1
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EP
European Patent Office
Prior art keywords
screed
deflection member
arrangement according
travel
ausziehbohlen
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.)
Active
Application number
EP15154281.8A
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German (de)
English (en)
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EP2886718A1 (fr
Inventor
Nicole Angermann
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Joseph Voegele AG
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Joseph Voegele AG
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Publication date
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Application filed by Joseph Voegele AG filed Critical Joseph Voegele AG
Priority to EP15154281.8A priority Critical patent/EP2886718B1/fr
Priority to PL15154281.8T priority patent/PL2886718T3/pl
Publication of EP2886718A1 publication Critical patent/EP2886718A1/fr
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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
    • 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
    • E01C19/48—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4866—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
    • E01C19/4873—Apparatus designed for railless operation
    • 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
    • E01C2301/14—Extendable screeds
    • E01C2301/16—Laterally slidable screeds

Definitions

  • the invention relates to a screed assembly for a paver according to the preamble of claim 1.
  • the screed has a variable length in a direction transverse to the direction of installation of the road paver in order to be able to achieve different installation widths.
  • three different types of screed arrangements have been developed, each having different advantages and disadvantages.
  • a right and a left extension screed are provided before and / or behind a base screed, which are arranged offset in the installation direction of travel to each other.
  • the advantage of this arrangement is that no paving material is clamped between the two Ausziehbohlen when the two Ausziehbohlen are moved towards each other.
  • the disadvantage is that the two extending screeds are not arranged symmetrically to one another, so that the full pave width is achieved at different points along the installation direction of travel.
  • right and left screed planks are each disposed immediately behind a base screed.
  • the extendable planks are not arranged behind, but in front of the base board, since in this way obstacles such as gullies can be avoided more easily.
  • a third type of screed assembly is used, in which two extension boards are located immediately in front of the base board.
  • This type of screed assembly is also referred to in English as "front-mounted screed”.
  • the invention relates to this third type of screed arrangements.
  • a disadvantage of the screed arrangements of the type "front-mounted screed” is that the not yet processed paving material between the two Ausziehbohlen is when they are moved towards each other. This can cause the paving material between the two Ausziehbohlen is trapped when a certain distance between the two Ausziehbohlen is exceeded. The Ausziehbohlen can then not be moved closer to each other.
  • plow structures or deflectors have been developed which are arranged on the inner surfaces of the two Ausziehbohlen.
  • Such plow structures or Abweiseglieder go for example from the US 4,379,653 , from the US 6,106,192 A , which discloses a screed assembly having the features of the preamble of claim 1, or from the post-published European patent application EP 09002132.0 out.
  • These deflectors or plow structures displace the potting material to the centerline of the screed assembly or under the base screed as the two extend screeds move toward each other to prevent trapping of built-in debris between the screeds.
  • Object of the present invention is to improve a screed assembly with structurally simple means to the effect that, despite effective rejection of Einbaumischgut when pulling the Ausziehbohlen almost the entire length of the Ausziehbohlen is available to take off against the base board.
  • a deflecting member which is adjustable relative to the base pile or to the drawing sheet is attached to the base pile and / or to at least one of the drawing sheets.
  • the adjustability of the Abweiseglieds contradicts the usual prejudice that the Abweiseglied can exert the necessary high forces on the heavy Einbaumischgut only if it is rigidly attached to the base board or on the Ausziehbohle.
  • the advantage of the adjustability of the Abweiseglieds invention is that the space required for the Abweiseglied in the retracted position of the Ausziehbohlen can be kept very small, so that in fact almost the entire length of the Ausziehbohlen is available for undressing available.
  • the adjustability also allows the deflector member to be brought into a position only during retraction of the extendible planks, or even only during a limited period of time during retraction, in which the deflector member actually displaces built-in debris. At the other times the deflector does not interfere with the installation process.
  • the deflecting member is disposed on the side of a Ausziehbohle facing the other Ausziehbohle.
  • the use of Abweiseglieds is particularly effective because otherwise threatens exactly the trapping of Einbaumischgut.
  • the deflecting member is adjustable by means of a drive, in particular by means of a hydraulic drive.
  • a hydraulic drive has the advantage that it can muster the necessary forces to hold the deflector against the inertia of heavy Einbaumischguts and adjust.
  • the deflector is adjustable between an inactive position adjacent to the extension screed or a base screed and an active position spaced from the respective screed. In the inactive position, the deflector does not interfere with the installation process and the particular screed becomes comparatively compact. In addition, the spacing of the deflector member from the screed in the active position facilitates the rejection of built-in mix from the respective screed.
  • the deflecting member is adjustable between an inactive position in which it extends parallel to the installation direction of travel, and an active position in which it extends at an angle to the installation direction of travel. In the inactive position, the deflector thus does not affect the installation process. In the active position, the employment of the Abweiseglieds at an angle to the installation direction of travel ensures that the Einbaumischgut shifts to the central axis of the screed assembly when the screed assembly moves in the installed direction of travel.
  • the deflector is infinitely adjustable between the inactive and the active position, in order to be able to adapt particularly well to the changing distance between the two Ausziehbohlen when pulling the Ausziehbohlen can.
  • the deflecting member is pivotally mounted on the base board and / or on at least one of the Ausziehbohlen. This has the advantage that the deflector is securely fastened to the respective screed, for example by means of a hinge in this way, despite an adjustability to be able to absorb high forces when rejecting the built-in goods.
  • the deflector member comprises one or better two deflector plates arranged on the front side of the base plank in the installation direction of travel.
  • conventional Ausziehbohlen can be used, while only the base board is modified.
  • the adjustment movement of the deflector is coupled to the movement of the Ausziehbohlen. This coupling could ensure that the extendible planks are brought into their active position almost during the entire pulling movement of the Ausziehbohlen. It would be even better, however, if the displacement movement of the deflector is coupled proportionally to the movement of the Ausziehbohlen.
  • An automatic coupling of the adjustment movement of the Abweiseglieds to the movement of the Ausziehbohlen could be done by a backdrop and / or electrical or electronic control is provided for this purpose, or a mechanical bias of the Abweiseglieds to the active position.
  • the invention also relates to a paver with a screed assembly of the type described above.
  • FIG. 1 shows schematically a paver 1 with a screed assembly 2 according to the invention.
  • the screed assembly 2 is towed in the installation direction of travel E behind the tractor of the paver 1.
  • a transverse distribution device 3 for example, two Quererverteilerschnecken to distribute the to be processed Einbaumischgut on the pave width.
  • the screed assembly 2 is of the "front-mounted screed” type in which a right screed 4 and a left screed 5 are disposed in front of a common base screed 6.
  • the base pile 6 may be integral or consist of several parts.
  • Each of the individual planks 4, 5, 6 has means for smoothing and compacting built-in material, for example in the form of screed plates or tampers ("tamper").
  • the two Ausziehbohlen 4, 5 are each adjacent directly to the front side 7 of the base pile 6. In the direction of installation direction of travel E, the two Ausziehbohlen 4, 5 are therefore not offset from each other.
  • each Ausziehbohle 4 On the inner side 8 of each Ausziehbohle 4, 5, ie on the respective other Ausziehbohle 5, 4 facing side 8, a Abweiseglied 9 is attached to each Ausziehbohle 4, 5, which is relative to the respective Ausziehbohle 4, 5 adjustable.
  • the deflector 9 is in each case a vertically oriented deflector plate, which is pivotable about a hinge 10 at the front inner edge of the Ausziehbohle 4, 5.
  • FIG. 2 shows the screed assembly 2 in the extended position of the Ausziehbohlen 4, 5.
  • the Ausziehbohlen 4, 5 In order to get into this position, the Ausziehbohlen 4, 5 in the withdrawal direction A, ie transverse to the installation direction of travel E, relative to the base pile 6 have been moved.
  • suitable drives such as hydraulic drives, and guide means (for example, guide rails or guide rods) are provided.
  • FIG. 2 shows that the Abweiseglieder 9, ie the reject plates remain in position parallel to the installation direction of travel E. In this way, they occupy transversely to the installation direction E no or only minimal space. Consequently, the entire length of the Ausziehbohlen 4, 5 is available for undressing, and the width of the screed assembly 2 transverse to the installation direction of travel E has, starting from the in FIG. 1 shown (almost) doubled position.
  • FIG. 3 shows the screed assembly 2 during subsequent retraction of the Ausziehbohlen 4, 5, ie, during a movement of the Ausziehbohlen 4, 5 in a direction A 'against the withdrawal direction A.
  • the hydraulic drives 11 have been activated to the deflectors 9 of the in the Figures 1 and 2 shown inactive position in an active position.
  • the Abweiseglieder 9 have been pivoted about the hinges 10 so that they no longer extend parallel to the central axis M, but at an angle of about 40 ° to the central axis. This angle can be between 30 ° and 55 °.
  • the deflectors 9 can their in FIG. 3 maintained shown active position until the Ausziehbohlen 4, 5 were moved toward each other so far that contact the Abweiseglieder 9. From this point on, the deflector members 9 are gradually pivoted by the hydraulic drives 11 back into their inactive position, while the Ausziehbohlen 4, 5 continue to move towards each other. Thus, the deflector members 9 continuously reduce the gap which they now have, so that finally when reaching the retracted position according to FIG FIG. 1 no Einbaumischgut more between the Abweiseglieder 9 is located.
  • the Abweiseglieder 9 may extend over the entire height of the Ausziehbohlen 4, 5 or only over a lower portion of the Ausziehbohlen 4, 5.
  • the Abweisegliedern 9 may be the wall of the Ausziehbohlen 4, 5, or an additional sheet before the interior wall.
  • FIG. 4 shows a second embodiment of a screed assembly according to the invention 2.
  • the first embodiment designed as sheets or Abweiseglieder 9 are not arranged on the Ausziehbohlen 4, 5, but on the front side 7 of the base pile 6.
  • the two Abweiseglieder 9 are each attached via a hinge 10 to the base pile 6, wherein the hinge 10 in turn defines a vertical pivot axis for the Abweiseglieder 9.
  • each of the two Abweiseglieder 9 In the in the FIG. 4 shown inactive position, the two Abweiseglieder 9 parallel to the front side 7 of the base pile 6 at. Each of the two Abweiseglieder 9 is slightly longer than the distance between the central axis M and the respective hinge 10. Consequently, the Abweiseglieder 9 overlap in front of the base pile 6. Each of the Abweiseglieder 9 can be adjusted by a hydraulic drive 11, the FIG. 4 for the sake of clarity is not shown.
  • the rear inner corners 12 of the two Ausziehbohlen 4 are convex rounded. Alternatively, the corners 12 could also be chamfered. The rounding or beveling at the corners 12 ensures that the movement de Ausziehbohlen 4, 5 is not hindered by the Abweiseglieder 9.
  • FIG. 5 shows the screed assembly 2 during the movement of the Ausziehbohlen 4, 5 in the drawing A ', ie towards each other.
  • the deflectors 9 have been brought from the inactive position to their active position by being pivoted forward about the hinges 10. In the active position, the two outer edges of the Abweiseglieder 9 are approximately on the central axis M. In this way, the two Abweiseglieder 9 together form a plow structure in front of the base pile. 6
  • the deflectors 9 are gradually folded so as not to hinder the movement of the Ausziehbohlen 4, 5.
  • the Abweiseglieder 9 at the rounded or bevelled inner corners 12 of the Ausziehbohlen 4, 5 slide along.
  • the deflector members 9 it would be conceivable, in particular, for the deflector members 9 to be forcibly moved back from the extendible planks 4, 5 from the active to the inactive position. The one deflector 9 works in front of the another deflector, so that the two Abweiseglieder overlap again in the inactive position.
  • the plow structure formed by the two Abweiseglieder 9 ensures that the built-in material between the two Ausziehbohlen 4, 5 transported from the central axis M to the outside when the plank assembly 2 moves in the installation direction of travel E.
  • the deflector 9 could be brought by such a control of the inactive to the active position only when the Ausziehbohlen 4, 5 below a minimum distance from each other. As soon as a second, predetermined distance is reached, the deflector members 9 can be gradually returned from the active to the inactive position.
  • this control can also be done alone via a displacement measurement or alone depending on the retraction speed of the Ausziehbohlen 4, 5.
  • Another variant of the invention is to replace the drive 11 for the deflector 9 by an outward bias, for example, exerted by a spring or other clamping unit, which acts on the deflector 9 from the inactive to the active position.
  • an outward bias for example, exerted by a spring or other clamping unit, which acts on the deflector 9 from the inactive to the active position.
  • the invention relates to a screed assembly 2 for a paver 1, comprising a base screed 6 and two in the installation direction of travel E in front of the base screed 6 and transversely to the installation direction of travel E relative to the base screed 6 movable extendable screeds 4, 5, characterized that on the base pile 6 and / or on at least one of the Ausziehbohlen 4, 5, a relatively adjustable Abweiseglied 9 is attached.

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

Claims (14)

  1. Agencement de table de finisseur (2) pour un finisseur de route (1), comprenant une table de base de finisseur (6) et deux tables de finisseur extractibles (4, 5), qui sont agencées devant la table de base de finisseur (6) en se référant à la direction de marche et de pose d'enrobé (E), et sont mobiles par rapport à la table de base de finisseur (6), transversalement à la direction de marche et de pose d'enrobé (E), un organe déflecteur (9) étant placé respectivement sur la table de base de finisseur (6) et/ou sur au moins l'une des tables de finisseur extractibles (4, 5) en pouvant être déplacé par rapport à celles-ci, pour empêcher le coincement de mélange d'enrobé lors de la rétraction des tables de finisseur extractibles (4, 5),
    caractérisé en ce que le mouvement de déplacement de l'organe déflecteur (9) par rapport à la table de base de finisseur (6) ou la table de finisseur extractible (4, 5), où est placé l'organe déflecteur (9), est couplé au mouvement des tables de finisseur extractibles (4, 5) transversalement à la direction de marche et de pose d'enrobé (E).
  2. Agencement de table de finisseur selon la revendication 1, caractérisé en ce que l'organe déflecteur (9) est agencé sur un côté d'une table de finisseur extractible (4), qui est dirigé vers l'autre table de finisseur extractible (5).
  3. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu un organe déflecteur (9) sur chacune des tables de finisseur extractibles (4, 5).
  4. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que l'organe déflecteur (9) peut être déplacé à l'aide d'un entraînement hydraulique (11).
  5. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que l'organe déflecteur (9) peut être déplacé entre une position inactive où il s'appuie contre la table de finisseur extractible (4, 5) ou contre la table de base de finisseur (6), et une position active où il s'écarte de la table de finisseur (4, 5, 6) respective.
  6. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que l'organe déflecteur (9) peut être déplacé entre une position inactive dans laquelle il s'étend parallèlement à la direction de marche et de pose d'enrobé (E), et une position active dans laquelle il s'étend sous un certain angle par rapport à la direction de marche et de pose d'enrobé (E).
  7. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que dans la position active, l'organe déflecteur (9) s'étend sous un angle de 30° à 55° par rapport à la direction de marche et de pose d'enrobé (E).
  8. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que l'organe déflecteur (9) peut être déplacé en continu entre la position inactive et la position active.
  9. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que l'organe déflecteur (9) est monté pivotant sur la table de base de finisseur (6) et/ou sur au moins l'une des tables de finisseur extractibles (4, 5).
  10. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce que l'organe déflecteur (9) comprend deux plaques de déflecteur (9) agencées sur le côté avant (7) de la table de base de finisseur (6), en se référant à la direction de marche et de pose d'enrobé (E).
  11. Agencement de table de finisseur selon la revendication 10, caractérisé en ce que les coins intérieurs arrière des tables de finisseur extractibles (4, 5) sont biseautées ou arrondies, en vue de permettre un mouvement de déplacement des plaques de déflecteur (9).
  12. Agencement de table de finisseur selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu une coulisse et/ou une commande électronique pour assurer le couplage du mouvement de déplacement de l'organe déflecteur (9) avec le mouvement des tables de finisseur extractibles (4, 5) transversalement à la direction de marche et de pose d'enrobé (E).
  13. Agencement de table de finisseur selon la revendication 12, caractérisé en ce qu'il est prévu un capteur destiné à relever la position des tables de finisseur extractibles (4, 5) par rapport à la table de base de finisseur (6), et/ou en ce qu'il est prévu un capteur pour relever la vitesse de rétraction des tables de finisseur extractibles (4, 5), en vue de commander le mouvement de déplacement de l'organe déflecteur (9) en fonction des données de mesure obtenues à partir dudit un capteur ou desdits plusieurs capteurs.
  14. Finisseur de route (1) comprenant un agencement de table de finisseur (2) selon l'une des revendications précédentes.
EP15154281.8A 2010-06-11 2010-06-11 Poutre dameuse pour une finisseuse de route Active EP2886718B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15154281.8A EP2886718B1 (fr) 2010-06-11 2010-06-11 Poutre dameuse pour une finisseuse de route
PL15154281.8T PL2886718T3 (pl) 2010-06-11 2010-06-11 Układ desek dla wykańczarki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15154281.8A EP2886718B1 (fr) 2010-06-11 2010-06-11 Poutre dameuse pour une finisseuse de route
EP20100006094 EP2395151B1 (fr) 2010-06-11 2010-06-11 Ensemble poutre lisseuse pour machine d'asphaltage

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP20100006094 Division-Into EP2395151B1 (fr) 2010-06-11 2010-06-11 Ensemble poutre lisseuse pour machine d'asphaltage
EP20100006094 Division EP2395151B1 (fr) 2010-06-11 2010-06-11 Ensemble poutre lisseuse pour machine d'asphaltage

Publications (2)

Publication Number Publication Date
EP2886718A1 EP2886718A1 (fr) 2015-06-24
EP2886718B1 true EP2886718B1 (fr) 2016-05-25

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ID=43223422

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20100006094 Active EP2395151B1 (fr) 2010-06-11 2010-06-11 Ensemble poutre lisseuse pour machine d'asphaltage
EP15154281.8A Active EP2886718B1 (fr) 2010-06-11 2010-06-11 Poutre dameuse pour une finisseuse de route

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Application Number Title Priority Date Filing Date
EP20100006094 Active EP2395151B1 (fr) 2010-06-11 2010-06-11 Ensemble poutre lisseuse pour machine d'asphaltage

Country Status (5)

Country Link
US (1) US8657527B2 (fr)
EP (2) EP2395151B1 (fr)
JP (1) JP5140177B2 (fr)
CN (1) CN102277822B (fr)
PL (2) PL2395151T3 (fr)

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PL2395151T3 (pl) 2015-10-30
CN102277822A (zh) 2011-12-14
PL2886718T3 (pl) 2016-11-30
JP2011256699A (ja) 2011-12-22
EP2395151B1 (fr) 2015-05-06
US20110305509A1 (en) 2011-12-15
JP5140177B2 (ja) 2013-02-06
CN102277822B (zh) 2014-09-03
EP2395151A1 (fr) 2011-12-14
US8657527B2 (en) 2014-02-25
EP2886718A1 (fr) 2015-06-24

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