WO2015179988A1 - Procédé de conversion d'un mouvement de rotation en mouvement de translation, utilisation dudit procédé et dispositif permettant de mettre en œuvre ledit procédé - Google Patents

Procédé de conversion d'un mouvement de rotation en mouvement de translation, utilisation dudit procédé et dispositif permettant de mettre en œuvre ledit procédé Download PDF

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Publication number
WO2015179988A1
WO2015179988A1 PCT/CH2014/000072 CH2014000072W WO2015179988A1 WO 2015179988 A1 WO2015179988 A1 WO 2015179988A1 CH 2014000072 W CH2014000072 W CH 2014000072W WO 2015179988 A1 WO2015179988 A1 WO 2015179988A1
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WO
WIPO (PCT)
Prior art keywords
component
movement
rotation
respect
coupling
Prior art date
Application number
PCT/CH2014/000072
Other languages
German (de)
English (en)
Inventor
Giuseppe LEONETTI
Jens Wagner
Original Assignee
Ammann Schweiz Ag
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 Ammann Schweiz Ag filed Critical Ammann Schweiz Ag
Priority to EP14728810.4A priority Critical patent/EP3149246B1/fr
Priority to PCT/CH2014/000072 priority patent/WO2015179988A1/fr
Publication of WO2015179988A1 publication Critical patent/WO2015179988A1/fr

Links

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
    • E01C19/4833—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 tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means

Definitions

  • the invention relates to a method for converting a continuous rotational movement into a translational movement that continuously reverses with respect to its direction of movement, an application of the method, an apparatus for carrying out the method, a screed of a paver comprising such a device and a paver with the screed according to the preambles of the independent claims.
  • the continuous upward and downward movement of the tamper strip of the screed loss as possible and with a simple and robust mechanical solution from one of an electric - or hydraulic motor provided continuous rotational movement and thereby a uniform as possible load of the to reach the drive motor.
  • the stroke of the tamper bar can be adjusted in order to optimally take into account different installation situations / asphalt thicknesses, it being further advantageous if the bottom dead center remains unchanged during adjustment.
  • a screed is known in which the tamper bar is driven by connecting rods, which are mounted on an eccentric shaft and moved by rotation of the shaft up and down.
  • the eccentricity of the eccentric of the eccentric shaft can be changed by reversing the direction of rotation of the eccentric shaft.
  • This screed has the disadvantage that it has a complicated eccentric shaft, which is expensive to manufacture and maintain.
  • the stroke of the tamper bar can not be adjusted continuously, but only be chosen between two strokes.
  • a screed in which the tamper strip is driven by a tab which is articulated at one end of a pivotable lever.
  • the lever is pivoted about a pivot pin of a drive shaft, which engages in a slot in the lever and runs in rotation of the drive shafts in the slot back and forth around a pivot axis around, whereby the tab and with this the tamper bar pivoted upwards and downwards becomes.
  • the stroke of the tamper bar can be adjusted continuously by changing the distance between the axis of rotation of the drive shaft and the pivot axis.
  • This screed has the disadvantage that it has a complicated lever mechanism, which is expensive to manufacture and maintain, and within which large forces occur, which can lead to deformation and increased wear.
  • the reciprocating motion of the crankpin within the Slotted hole is susceptible to wear and can quickly lead to increased play in the mechanism.
  • the screeds mentioned above also have the disadvantage that the drive motor is exposed to a pronounced peak load at each revolution, which is detrimental to its life.
  • EP 0 374 428 A1 discloses a screed with a first ramming bar for precompression and a second ramming bar for recompacting, which are fastened to the free ends of a double-sided lever which pivots back and forth about a pivot axis driven by an eccentric shaft about a pivot axis and thus causes an alternating upward and downward movement of the two Stampferangn.
  • the eccentricity of the eccentric shaft is adjustable and thus the stroke of the tamper bars.
  • a first aspect of the invention a method of converting to continual ⁇ handy rotary movement in a with respect to their direction of motion continuously reversing translational movement.
  • the method comprises the steps:
  • the inventive method makes it possible among others to derive the continuous upward and downward movement of the tamper strip a screed of a road finisher and with relatively low losses of a simp ⁇ Chen and robust mechanical solution of a provided by a drive motor continuous rotational motion, relatively much more uniform at a gen Load on the drive motor.
  • ⁇ driving converting the continuously reversing rotational movement of the second member in the continuously reversing translational movement of the third component is such that the first turning point of the continuously reversing translational movement of the third component is in each case achieved when the second Component one exactly centrally located between the two reversal points of its continuously reversing rotational movement rotational position.
  • the conversion of the continuous rotational movement of the first component into the continuously reversing rotational movement of the second component is accomplished by a first coupling movement.
  • Lung element which is connected via an eccentric to the first axis of rotation arranged crank pin with the first component and an eccentric to the second axis of rotation arranged first coupling pin with the second component, by the continuous rotational movement of the first member via the crank pin in one with respect to their direction of rotation continuously reversing Translational motion is offset and causes by means of this translational movement over the first coupling pin with respect to their rotational direction continuously reversing rotational movement of the second component.
  • this conversion can be achieved by a simple and robust mechanical positive coupling with a high mechanical efficiency.
  • the eccentricity of the crank pin is adjusted or changed so, preferably during the rotational movement of the first component, that with respect to their direction of rotation continuously reversing translational movement of the first coupling element has a desired amplitude.
  • the eccentricity of the first coupling pin is adjusted or changed, preferably during the rotational movement of the second component that continuously reverses with respect to its rotational direction, that this rotational movement has a desired amplitude. In this way, it is likewise possible to influence the amplitude of the translational movement of the third component that is continuously reversing with regard to its direction of movement.
  • Translational movement of the third component accomplished by a second coupling element, which is connected to the third component and connected via an eccentric to the second axis of rotation arranged second coupling pin is connected to the second component, through which with respect to their rotational direction continuously reversing rotational movement of the second component via the second coupling pin is displaced in a translational movement which continuously reverses with respect to its direction of movement, and by means of this translational movement the translational movement of the third component which continuously reverses with respect to its direction of movement is effected.
  • this conversion can be achieved by a simple and robust mechanical positive coupling with a high mechanical efficiency.
  • the eccentricity of the second coupling pin is adjusted or changed, preferably during the rotational movement of the second element that continuously reverses with respect to its direction of rotation, that the translational movement that continuously reverses with respect to its direction of movement of the second coupling element has a desired amplitude.
  • the eccentricity of the second coupling pin is adjusted or changed, preferably during the rotational movement of the second element that continuously reverses with respect to its direction of rotation, that the translational movement that continuously reverses with respect to its direction of movement of the second coupling element has a desired amplitude.
  • the longitudinal axes of the first and the second coupling pin do not coincide. In this way, they can have different eccentricities and optionally set or changed independently of one another with respect to their eccentricity.
  • the second coupling element is rigidly connected to the third component, which is preferred, the result is a particularly simple and lossless coupling between these components.
  • a second aspect of the invention relates to the use of the method according to the first aspect of the invention for producing a continuous upward and downward movement of the tamping strip of a screed of a paver, preferably during the preparation of an asphalt surface.
  • the advantages of the invention are particularly evident.
  • the eccentricity of the crank pin, the eccentricity of the first coupling pin and / or the eccentricity of the second coupling pin is set or changed or to adjust the stroke of the tamper strip, in particular such that its un ⁇ terer dead point remains unchanged and whose upper dead set point or changed. In this way, the stroke of the tamper bar can be adjusted to different thickness asphalt pavements.
  • a third aspect of the invention relates to an apparatus for carrying out the method according to the first aspect of the invention.
  • the device comprises a first component, which is mounted such that it can perform a continuous rotational movement in a first rotational direction about a first axis of rotation, a second component, which is mounted such that there is a with respect to their rotational direction continuously reversing rotational movement about a second rotational axis can perform around and a third component, which is mounted such that it can perform a with respect to their direction of rotation continuously reversing translational movement.
  • the first component and the second component are coupled by means of a first coupling arrangement mechanically in such a way to one another that a continuous rotational motion of the first component in the first Rota ⁇ tion direction about the first axis of rotation a with respect to their direction of rotation continuously reversing rotational movement of the second member about the second axis of rotation causes around.
  • the second component and the third component are mechanically coupled to one another by means of a second coupling arrangement in such a way that the rotational movement of the second component with respect to its rotational direction causes a translational movement of the third component that continuously reverses with respect to its direction of movement Inversion points of the translational movement of the third component, which continuously reverses with regard to its direction of movement, are present in each case when the second component has a specific rotational position between the two reversal points of its relative points its rotational direction continuously reversing rotational movement occupies.
  • the device according to the invention it is possible, inter alia, to derive the continuous upward and downward movement of the tamper strip of a screed of a paver with relatively little loss and with a simple and robust mechanical solution from a continuous rotational movement provided by a drive motor, with a relatively uniform load on the paver drive motor.
  • the second coupling arrangement is designed in such a way that the first reversal point of the translational movement of the third component, which continuously reverses with respect to its direction of movement, is achieved when the second component has a center that is exactly centered between the two reversal points of its continuously reversing relative to its direction of rotation Rotational motion lying rotational position occupies.
  • the second reversal point of the continuously reversing translational movement of the third component which is in each case achieved when the second member reaches one of the two reversal points of its continuously inverting Rota ⁇ tion motion comes to lie in the same place, so that the amplitudes of the two translational movements of the third component, which performs this during one revolution (360 °) of the first component, are identical.
  • the first coupling arrangement includes a first coupling element, which is connected via an eccentric to ers ⁇ th axis of rotation crank pin to the first component and an eccentrically arranged to the second axis of rotation the first coupling pin to the second component, in such a way that the first coupling element by the continuous Rotationsbe ⁇ movement of the first component via the crank pin in a with respect to their direction of movement continuously reversing translational movement is offset and tap through this translational movement over the first coupling which causes with respect to their rotational direction continuously reversing rotational movement of the second component.
  • the conversion of the continuous rotational movement of the first component into the continuously reversing rotational movement of the second component can be achieved by a simple and robust mechanical positive coupling with a high mechanical efficiency.
  • the eccentricity of the crank pin is adjustable or changeable, preferably during the rotational movement of the first component in the first rotational direction, so that with respect to their direction of rotation continuously reversing translational movement of the first coupling element is adjustable or variable with respect to their amplitude.
  • the eccentricity of the crank pin is adjustable or changeable, preferably during the rotational movement of the first component in the first rotational direction, so that with respect to their direction of rotation continuously reversing translational movement of the first coupling element is adjustable or variable with respect to their amplitude.
  • this can be done by reversing the direction of the first component, for example, such that the crank pin is displaced by reversing the direction of rotation of the first component along a trajectory on the first component to a position which has a different distance to the axis of rotation of the first component than its previous position , In this way adjustability and Changeable ⁇ ness of eccentricity can be realized with simple means.
  • the eccentricity of the first coupling pin is adjustable or variable, preferably during the rotation direction continuously reversing rotational movement of the second component, so that can be set or change in their amplitude with respect to their direction of rotation continuously reversing rotational movement of the second component in its amplitude.
  • the eccentricity of the first coupling pin is adjustable or variable, preferably during the rotation direction continuously reversing rotational movement of the second component, so that can be set or change in their amplitude with respect to their direction of rotation continuously reversing rotational movement of the second component in its amplitude.
  • the second coupling arrangement comprises a second coupling element, which is connected to the third component and connected via an eccentric to the second axis of rotation arranged second coupling pin is connected to the second component, such that the second coupling element by the respect its rotational direction continuously reversing rotational movement of the second component is offset via the second coupling pin in a translational motion with respect to their direction of successively reversing translational movement and causes by this translational movement with respect to their direction of movement continuously reversing translational movement of the third component.
  • the eccentricity of the second coupling pin is adjustable or changeable, preferably during the rotation direction continuously reversing rotational movement of the second element, so that with respect to their direction of rotation continuously reversing translational movement of the second coupling element is adjustable or variable with respect to their amplitude. This leaves also influence the amplitude of the translational motion of the third component that is continuously reversing with respect to its direction of movement.
  • first and the second coupling pin coincide.
  • first coupling tap and the second coupling tap are formed by a common coupling pin, there is a particularly simple structure.
  • first and the second coupling pin do not coincide. In this way, they can have different eccentricities or optionally adjusted or changed independently of one another with respect to their eccentricity.
  • the second coupling element is rigidly connected to the third component, which is preferred, the result is a particularly simple and lossless coupling between these components.
  • a fourth aspect of the invention relates to a screed for a paver comprising a device according to the third aspect of the invention for generating a continuous upward and downward ⁇ movement of the tamper strip of the screed.
  • the eccentricity did the crankpin, the eccentricity of the first coupler ⁇ lung pin and / or the eccentricity of the second coupler ⁇ lung pin of the device is adjustable or variable, or are, for adjusting the stroke of the tamper strip, namely preferably in such a way in that its bottom dead center remains unchanged and its top dead center is adjusted or changed.
  • a fifth aspect of the invention relates to a paver with a screed according to the fourth aspect of the invention.
  • FIG. 1 shows a greatly simplified illustration of a first device according to the invention.
  • Fig. 2 is a greatly simplified representation of a second device according to the invention.
  • Fig. 1 shows a highly simplified depicting lung ⁇ a first inventive apparatus for generating the continuous upward and downward movement of the tamper strip 4 of the screed of a Strassenferti- gers.
  • the apparatus has a circular crank disk 1 (first component according to the invention) with a crank pin 6 which is set in rotation in the intended operation by a motor (not shown) in such a way that it produces a continuous rotational movement R 1 in FIG Clockwise (according to requirements first rotational direction) around a running through its center axis of rotation XI (claim the first axis of rotation) performs around.
  • a first end of a first coupling rod 2 (claims first coupling element) is hinged to the crank disc 1, the second end via a first coupling pin 8 on a circular pendulum ⁇ disc 3 (claimed second component), which is pivotally mounted about an axis extending through its center
  • Rota ⁇ tion axis X2 (according to the second axis of rotation) is hinged, such that the continuous rotation movement Rl of the crank disk 1 causes a translational movement T2 of the first coupling rod 2 that continuously reverses with respect to its direction of movement, and this translational movement T2 of the first coupling rod 2 in turn causes a rotational movement R2 of the pendulum disk 3 about its axis of rotation X2 with respect to its rotational direction. ie a swinging back and forth R2 of the pendulum disk 3 around its axis of rotation X2 around.
  • the coupling pin 8 is arranged
  • a second coupling pin 5 is arranged eccentrically to the rotation axis X2 on the pendulum disc 3 arranged eccentrically to the rotation axis X2 on the pendulum disc 3 arranged eccentrically to the rotation axis X2 on the pendulum disc 3 arranged eccentrically to the rotation axis X2 on the pendulum disc 3 .
  • a second coupling rod 9 (claims second coupling element) is hinged to the pendulum disc 3
  • the second end rigidly with the in a guide assembly 7 vertically displaceably guided tamper strip 4 (claims third component) of the screed is connected, in such a way that with respect to their rotational direction continuously reversing rotational movement R2 of the pendulum disc 3 with respect to their direction of successively reversing translational movement T3 of the second coupling rod 9 and on this a respect
  • Its direction of rotation continuously reversing translational movement Tl causes the tamper strip 4 in the vertical direction, ie a continuous upward
  • the bottom dead center (lower reversal point) of the continuous Up and down movement Tl is achieved in each case when the pendulum disc 3 assumes a rotational position, which is located in the middle between the two reversal points of their rotational direction with respect to their rotational direction continuously reversing R2.
  • the top dead center (upper reversal point) of the continuous upward and downward movement Tl of the tamper strip 4 is reached in each case when the pendulum disc 3 is in one of the two reversal points of their with respect to their rotational direction continuously reversing rotational movement R2.
  • the eccentricities of the crank pin 6 and / or the first pivot pin 8 are adjustable or variable to allow adjustment or change in the stroke of the tamper strip 4 without a change in the bottom dead center.
  • FIG. 2 shows a greatly simplified representation of a second device according to the invention for producing the continuous upward and downward movement of the tamper strip 4 of the screed of a road finisher, which differs from that shown in FIG. 1 only in that the second end of the first coupling rod 2 and the first end of the second coupling rod 9 are articulated via a common coupling pin 5, 8 on the pendulum disc 3.
  • the eccentricity of the crank pin 6 is adjustable or changeable.

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

Abstract

L'invention concerne un procédé de conversion d'un mouvement de rotation continu (R1) en mouvement de translation (T1) s'inversant en continu par rapport à son sens de mouvement, une utilisation dudit procédé et un dispositif permettant de mettre en œuvre ledit procédé. Un mouvement de rotation continu (R1) d'un premier élément (1) est converti par l'intermédiaire d'un premier ensemble d'accouplement (2, 6, 8) en un mouvement de rotation (R2) d'un deuxième élément (3) s'inversant en continu par rapport à son sens de rotation. Ce sens de rotation (R2) est à nouveau converti par l'intermédiaire d'un deuxième ensemble d'accouplement (5, 9) en un mouvement de translation (T1) d'un troisième élément (4) s'inversant en continu par rapport à son sens de mouvement, de telle manière qu'un premier des points d'inversion du mouvement de translation (T1) du troisième élément (4) s'inversant en continu est alors respectivement atteint lorsque le deuxième élément (3) occupe une position rotative définie entre les deux points d'inversion de son mouvement de rotation (R2) s'inversant en continu. De cette manière, le mouvement de montée et de descente (T1) continu de la barre de damage (4) d'une table d'un finisseur peut par exemple être dérivé d'un mouvement de rotation (R1) continu fourni par un moteur d'entraînement, et ce avec relativement peu de pertes et au moyen d'une solution mécanique simple et robuste, tout en ayant une charge relativement normale pour le moteur d'entraînement.
PCT/CH2014/000072 2014-05-26 2014-05-26 Procédé de conversion d'un mouvement de rotation en mouvement de translation, utilisation dudit procédé et dispositif permettant de mettre en œuvre ledit procédé WO2015179988A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14728810.4A EP3149246B1 (fr) 2014-05-26 2014-05-26 Procédé de conversion d'un mouvement de rotation en mouvement de translation, utilisation dudit procédé et dispositif permettant de mettre en oeuvre ledit procédé
PCT/CH2014/000072 WO2015179988A1 (fr) 2014-05-26 2014-05-26 Procédé de conversion d'un mouvement de rotation en mouvement de translation, utilisation dudit procédé et dispositif permettant de mettre en œuvre ledit procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2014/000072 WO2015179988A1 (fr) 2014-05-26 2014-05-26 Procédé de conversion d'un mouvement de rotation en mouvement de translation, utilisation dudit procédé et dispositif permettant de mettre en œuvre ledit procédé

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WO2015179988A1 true WO2015179988A1 (fr) 2015-12-03

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EP (1) EP3149246B1 (fr)
WO (1) WO2015179988A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111236004A (zh) * 2020-01-13 2020-06-05 陈嘉宇 一种道路沥青铺设压实装置
CN112538849A (zh) * 2020-12-02 2021-03-23 武志杰 一种平压组件及工程地面夯实设备
CN113502784A (zh) * 2021-07-21 2021-10-15 中交(苏州)城市开发建设有限公司 一种隧道下穿河道施工河床超浅覆土的加固防渗处理方法
CN114763691A (zh) * 2021-01-14 2022-07-19 约瑟夫福格勒公司 夯击行程调节

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374428A1 (fr) 1988-12-19 1990-06-27 Dynapac Gmbh Poutre de compactage pour une finisseuse de routes
DE102006046250A1 (de) 2006-09-28 2008-04-03 Dynapac Gmbh Einbaubohle für einen Straßenfertiger
EP2325391A1 (fr) 2009-11-20 2011-05-25 Joseph Vögele AG Dispositif de bourrage à course variable
EP2599918A1 (fr) * 2011-12-01 2013-06-05 BOMAG GmbH Procédé et dispositif de réglage des amplitudes d'une barre de dame d'une finisseuse de route

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374428A1 (fr) 1988-12-19 1990-06-27 Dynapac Gmbh Poutre de compactage pour une finisseuse de routes
DE102006046250A1 (de) 2006-09-28 2008-04-03 Dynapac Gmbh Einbaubohle für einen Straßenfertiger
EP2325391A1 (fr) 2009-11-20 2011-05-25 Joseph Vögele AG Dispositif de bourrage à course variable
EP2599918A1 (fr) * 2011-12-01 2013-06-05 BOMAG GmbH Procédé et dispositif de réglage des amplitudes d'une barre de dame d'une finisseuse de route

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111236004A (zh) * 2020-01-13 2020-06-05 陈嘉宇 一种道路沥青铺设压实装置
CN112538849A (zh) * 2020-12-02 2021-03-23 武志杰 一种平压组件及工程地面夯实设备
CN114763691A (zh) * 2021-01-14 2022-07-19 约瑟夫福格勒公司 夯击行程调节
EP4029991A1 (fr) * 2021-01-14 2022-07-20 Joseph Vögele AG Réglage de la course du dameur
US12077920B2 (en) 2021-01-14 2024-09-03 Joseph Voegele Ag Tamper stroke adjustment
CN113502784A (zh) * 2021-07-21 2021-10-15 中交(苏州)城市开发建设有限公司 一种隧道下穿河道施工河床超浅覆土的加固防渗处理方法
CN113502784B (zh) * 2021-07-21 2022-08-26 中交(苏州)城市开发建设有限公司 一种隧道下穿河道施工河床超浅覆土的加固防渗处理方法

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EP3149246A1 (fr) 2017-04-05
EP3149246B1 (fr) 2018-05-30

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