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EP0196698B1 - Apparatus for driving and positioning dowels into concrete slabs - Google Patents

Apparatus for driving and positioning dowels into concrete slabs Download PDF

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Publication number
EP0196698B1
EP0196698B1 EP19860200375 EP86200375A EP0196698B1 EP 0196698 B1 EP0196698 B1 EP 0196698B1 EP 19860200375 EP19860200375 EP 19860200375 EP 86200375 A EP86200375 A EP 86200375A EP 0196698 B1 EP0196698 B1 EP 0196698B1
Authority
EP
European Patent Office
Prior art keywords
gudgeons
smoothing plate
openings
studs
notches
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
Application number
EP19860200375
Other languages
German (de)
French (fr)
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EP0196698A1 (en
Inventor
Jean Aeschlimann
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.)
H E T AG
Original Assignee
Moser Andreas
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
Priority claimed from BE0/214771A external-priority patent/BE902096R/en
Application filed by Moser Andreas filed Critical Moser Andreas
Publication of EP0196698A1 publication Critical patent/EP0196698A1/en
Application granted granted Critical
Publication of EP0196698B1 publication Critical patent/EP0196698B1/en
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/04—Devices for laying inserting or positioning reinforcing elements or dowel bars with or without joint bodies; Removable supports for reinforcing or load transfer elements; Devices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed reinforcements

Definitions

  • the present invention relates to a device for distributing studs in an apparatus intended to drive in and position studs in freshly poured concrete slabs, apparatus comprising a lower smoothing plate possibly attached to the rear part of a compactor-finisher machine and intended to rest and slide on the surface of the already compacted concrete slab, provided with a series of openings arranged in line at determined intervals, allowing the installation of studs by pressure guides capable of sliding along columns vertical to ensure the insertion of driving studs into the concrete not yet taken from the slabs.
  • a device for driving and positioning parallel studs in concrete road slabs, on either side of the joints between these slabs, comprises a horizontal beam movable vertically at above a joint and longitudinally to this joint.
  • This known device is mounted on a lower smoothing plate having a row of openings for the passage of the studs and pressing guides ensuring the insertion of the studs into the mass of concrete.
  • the pressure guides are distributed two by two opposite one another on the horizontal beam and are directed downwards. They push the studs into the concrete not yet taken from the slabs, during the descent of the horizontal beam which also carries side clamps arranged two by two on either side of the pressure guides. These pliers grip the studs and are slidably mounted vertically and freely relative to the horizontal beam, so as to rest in the lower position against the upper faces of the slabs.
  • the manual installation of the studs is an expensive operation. It lengthens the downtime of the stud driving device, since it can in fact only be carried out during the moving times of the device from one joint to another.
  • the time available to install the studs is variable. It in fact depends on the distance separating two seals and on the speed of progress of the compactor-finisher if the smoothing plate is mounted behind it as described in European patent No. 0 051 885.
  • the present invention aims to remedy the above drawbacks. It relates to a device for distributing studs in an apparatus intended to drive and position said studs in concrete slabs not yet taken, device comprising a lower smoothing plate possibly attached to the rear part of a compacting-finishing machine and intended to rest and slide on the surface of the already compacted concrete slab, provided with a series of openings arranged in line at determined intervals, allowing the positioning of the studs by pressing guides capable of sliding along the vertical guides to ensure the insertion and driving of the studs in the concrete not yet taken from the slabs.
  • This device is essentially characterized in that it comprises a mobile loading box, partitioned into a series of vertical compartments with an open bottom, each intended to receive a stack of studs.
  • the box By traversing the smoothing plate from one side to the other, the box deposits a stud in each of the notches of a drawer frame. These notches are aligned side by side and separated from each other by determined distances. The drawer frame rests sliding on the smoothing plate.
  • the invention also relates to a method for distributing and placing studs in an apparatus for driving and positioning studs in a thixotropic concrete slab as described in European patent No. 0051 885.
  • This process is essentially characterized in that one moves from one side to the other of a smoothing plate, a bottomless carriage loaded with a sufficient number of studs in order to deposit a stud in each of the notches of a drawer-frame, placed in the waiting position, set back from the openings in the smoothing plate.
  • a device according to the invention for driving in and positioning studs 1 on either side of the expansion and withdrawal joints 2 between concrete slabs 3, comprises a lower smoothing plate 4.
  • the smoothing plate is hooked to the rear part 5 of a compacting-finishing machine for continuously casting concrete slabs.
  • the smoothing plate 4 is intended to rest and slide on the surface of the concrete slabs 3 already compacted.
  • the smoothing plate 4 is provided with a series of openings 6 arranged in line at intervals fixed by the specifications. These openings 6 allow the passage of the studs 1 and the pressure guides 7 which ensure the insertion of the studs 1 into the fresh concrete not yet taken from the slabs 3.
  • a device for automatically distributing studs capable of supplying the aforementioned apparatus, comprises a mobile loading box 8 with an open bottom partitioned into a series of vertical compartments 9. These compartments 9 are separated by vertical partitions 10 and are intended to each receive a stack of studs 1.
  • This box 8 rests by the wheels 11 on a drawer frame 12 which in turn rests on the smoothing plate 4 so as to be able to slide on the latter while being actuated by the jack 16.
  • the box 8 moves from one side to the other of the smoothing plate under the drive of the cables 13 and the winches 14.
  • the drawer frame 12 has a series of notches 15, the arrangement and spacing of which correspond exactly to the row of openings 6 provided for the passage of the studs 1 through the smoothing plate 4.
  • the series of notches 15 in the drawer frame 12 is set back with respect to the series of openings 6 in the smoothing plate 4.
  • the notches in the drawer frame 12 are in the form of recesses rectangular whose bottom is materialized by the smoothing plate 4.
  • the depth of these blind notches 15 corresponds exactly to the diameter of the studs 1.
  • the movable casing 8 By traversing from one side to the other the smoothing plate 4, transversely with respect to the direction of advance of the compacting-finishing machine, the movable casing 8 feeds studs 1 each of the blind notches 15 of the drawer frame 12.
  • the drawer frame 12 is considered to be loaded and is kept in the waiting position until the driving device is brought by the plate. trowel 4 above the joint 2.
  • the studs 1 are retained in place by fins 19 secured to the smoothing plate 4.
  • the studs 1 are pressed in when the horizontal beam 17 is just above the joint 2.
  • the horizontal beam 17 is suspended by the insulators 27 to a cross member 17 ', itself suspended by stirrups 20 and jacks 21 from a traveling crane 22.
  • the smoothing plate 4 is thus secured to a traveling crane 22 which rests by the wheels 23 on a support 5 forming part of the compactor-finisher machine not shown.
  • the vibration of the presser guides is obtained by vibrators 24 mounted on the beam 17.
  • the vertical guiding of the crosspiece 17 ' is carried out by four columns 28 provided with oblong holes 25.
  • the smoothing plate 4 is suspended from the carriage 22. Thanks to the freedom of movement of the columns provided by the oblong holes 25, the smoothing plate 4 is constantly supported on the surface of the concrete slab 3.
  • the driving of the studs 1 is controlled by the jacks. It takes place when the smoothing plate 4 is immobilized. The immobilization of the smoothing plate 4 does not, however, interrupt the continuous progression of the compactor-finisher machine, thanks to the horizontal displacement cylinders 26 which it suffices to release during the time interval necessary for the fitting of the studs. 1.
  • dampers 27 are provided.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Road Paving Machines (AREA)

Description

La présente invention est relative à un dispositif de distribution de goujons dans un appareil destiné à enfoncer et positionner des goujons dans des dalles de béton fraîchement coulées, appareil comprenant une plaque lisseuse inférieure accrochée éventuellement à la partie postérieure d'une machine compacteuse-finisseuse et destinée à reposer et à glisser sur la surface de la dalle en béton déjà compactée, pourvue d'une série d'ouvertures disposées en ligne à intervalles déterminés, permettant la mise en place de goujons par des guides presseurs susceptibles de coulisser le long de colonnes verticales pour assurer l'introduction d'enfoncement des goujons dans le béton non encore pris des dalles.The present invention relates to a device for distributing studs in an apparatus intended to drive in and position studs in freshly poured concrete slabs, apparatus comprising a lower smoothing plate possibly attached to the rear part of a compactor-finisher machine and intended to rest and slide on the surface of the already compacted concrete slab, provided with a series of openings arranged in line at determined intervals, allowing the installation of studs by pressure guides capable of sliding along columns vertical to ensure the insertion of driving studs into the concrete not yet taken from the slabs.

Lors de la construction d'une route en béton, il est courant et indispensabile de mettre en place des goujons au niveau des joints prévus pour le retrait ou la dilatation des dalles de béton.When building a concrete road, it is common and essential to install studs at the joints provided for the removal or expansion of concrete slabs.

Comme il est connu par le brevet belge No. 800 703, un dispositif pour enfoncer et positionner des goujons parallèles dans des dalles en béton de route, de part et d'autre des joints entre ces dalles, comprend une poutre horizontale déplaçable verticalement au-dessus d'un joint et longitudinalement à ce joint.As is known from Belgian Patent No. 800 703, a device for driving and positioning parallel studs in concrete road slabs, on either side of the joints between these slabs, comprises a horizontal beam movable vertically at above a joint and longitudinally to this joint.

Ce dispositif connu est monté sur une plaque lisseuse inférieure présentant une rangée d'ouvertures pour le passage des goujons et des guides presseurs assurant l'enfoncement des goujons dans la masse de béton.This known device is mounted on a lower smoothing plate having a row of openings for the passage of the studs and pressing guides ensuring the insertion of the studs into the mass of concrete.

Les guides presseurs sont répartis deux à deux l'un en face de l'autre sur la poutre horizontale et sont dirigés vers le bas. Ils poussent les goujons jusque dans le béton non encore pris des dalles, lors de la descente de la poutre horizontale qui porte également des pinces latérales disposées deux à deux de part et d'autre des guides presseurs. Ces pinces agrippent les goujons et sont montées coulissantes verticalement et librement par rapport à la poutre horizontale, de manière à reposer en position inférieure contre les faces supérieures des dalles.The pressure guides are distributed two by two opposite one another on the horizontal beam and are directed downwards. They push the studs into the concrete not yet taken from the slabs, during the descent of the horizontal beam which also carries side clamps arranged two by two on either side of the pressure guides. These pliers grip the studs and are slidably mounted vertically and freely relative to the horizontal beam, so as to rest in the lower position against the upper faces of the slabs.

L'inconvénient majeur de cette machine connue consiste dans le fait que les goujons doivent être placés un à un à la main dans les pinces susdites à l'endroit de chaque joint pendant que la plaque lisseuse reste immobile.The major drawback of this known machine consists in the fact that the studs must be placed one by one by hand in the aforementioned pliers at the location of each joint while the smoothing plate remains stationary.

La mise en place manuelle des goujons est une opération onéreuse. Elle allonge les temps d'immobilisation du dispositif d'enfoncement des goujons, puisqu'elle ne peut en fait être effectuée que pendant les temps de déplacement du dispositif d'un joint à l'autre.The manual installation of the studs is an expensive operation. It lengthens the downtime of the stud driving device, since it can in fact only be carried out during the moving times of the device from one joint to another.

Le temps disponible pour mettre en place les goujons est variable. Il dépend en fait de la distance séparant deux joints et de la vitesse d'avancement de la finisseuse-compacteuse si la plaque lisseuse est montée derrière celle-ci comme décrit dans le brevet européen No. 0 051 885.The time available to install the studs is variable. It in fact depends on the distance separating two seals and on the speed of progress of the compactor-finisher if the smoothing plate is mounted behind it as described in European patent No. 0 051 885.

La présente invention vise à remédier aux inconvénients susdits. Elle a pour objet un dispositif de distribution de goujons dans un appareil destiné à enfoncer et positionner lesdits goujons dans des dalles en béton non encore pris, dispositif comprenant une plaque lisseuse inférieure accrochée éventuellement à la partie postérieure d'une machine compacteuse-finisseuse et destinée à reposer et à glisser sur la surface de la dalle en béton déjà compactée, pourvue d'une série d'ouvertures disposées en ligne é intervalles déterminés, permettant la mise en place des goujons par des guides presseurs susceptibles de coulisser le long des guides verticaux pour assurer l'introduction et l'enfoncement des goujons dans le béton non encore pris des dalles. Ce dispositif est essentiellement caractérisé en ce qu'il comporte un caisson mobile de chargement, cloisonné en une série de compartiments verticaux à fond ouvert, destinés à recevoir chacun une pile de goujons susdits.The present invention aims to remedy the above drawbacks. It relates to a device for distributing studs in an apparatus intended to drive and position said studs in concrete slabs not yet taken, device comprising a lower smoothing plate possibly attached to the rear part of a compacting-finishing machine and intended to rest and slide on the surface of the already compacted concrete slab, provided with a series of openings arranged in line at determined intervals, allowing the positioning of the studs by pressing guides capable of sliding along the vertical guides to ensure the insertion and driving of the studs in the concrete not yet taken from the slabs. This device is essentially characterized in that it comprises a mobile loading box, partitioned into a series of vertical compartments with an open bottom, each intended to receive a stack of studs.

En parcourant la plaque lisseuse d'un côté à l'autre, le caisson dépose un goujon dans chacune des entailles d'un cadre-tiroir. Ces entailles sont alignées côté à côté et séparées entre elles de distances déterminées. Le cadre-tiroir repose coulissable sur la plaque lisseuse.By traversing the smoothing plate from one side to the other, the box deposits a stud in each of the notches of a drawer frame. These notches are aligned side by side and separated from each other by determined distances. The drawer frame rests sliding on the smoothing plate.

Il entraîne par translation simultanément chacun des goujons emprisonnés dans les entailles susdites au-dessus de chacune des ouvertures prévues dans la plaque lisseuse pour permettre aux goujons de choir sur le béton et d'être enfoncés dans la dalle par des guides-presseurs susdits.It drives by translation simultaneously each of the studs trapped in the aforementioned notches above each of the openings provided in the smoothing plate to allow the studs to fall on the concrete and to be driven into the slab by said presser guides.

L'invention concerne également un procédé pour distribuer et mettre en place des goujons dans un appareil d'enfoncement et de positionnement des goujons dans une dalle de béton à l'état thixotropi- que comme décrit dans le brevet européen No. 0051 885.The invention also relates to a method for distributing and placing studs in an apparatus for driving and positioning studs in a thixotropic concrete slab as described in European patent No. 0051 885.

Ce procédé est essentiellement caractérisé en ce que l'on déplace d'un côté à l'autre d'une plaque lisseuse, un chariot sans fond chargé d'un nombre suffisant de goujons afin de déposer un goujon dans chacune des entailles d'un cadre-tiroir, disposé en position d'attente, en retrait des ouvertures de la plaque lisseuse.This process is essentially characterized in that one moves from one side to the other of a smoothing plate, a bottomless carriage loaded with a sufficient number of studs in order to deposit a stud in each of the notches of a drawer-frame, placed in the waiting position, set back from the openings in the smoothing plate.

En actionnant le cadre-tiroir à l'aide d'un vérin, on amène l'ensemble des goujons emprisonnés dans la rangée d'entailles du cadre-tiroir, juste au-dessus des ouvertures correspondantes de la plaque lisseuse. Les goujons tombent au travers desdites ouvertures sur la dalle de béton pour être enfoncés dans la dalle à l'endroit des joints au moyen des guides presseurs, engagés au travers des ouvertures de la plaque lisseuse.By actuating the drawer frame with the aid of a jack, all the studs trapped are brought into the row of notches in the drawer frame, just above the corresponding openings in the smoothing plate. The studs fall through said openings onto the concrete slab to be driven into the slab at the location of the joints by means of pressure guides, engaged through the openings of the smoothing plate.

Ces particularités et détails de l'invention, ainsi que d'autres, apparaîtront au cours de la description détaillée suivante d'une forme de réalisation spécifique de l'invention, faisant référence aux dessins joints en annexe, dans lesquels:

  • - la figure 1 est une vue en élévation longitudinale du dispositif suivant l'invention monté sur une plaque lisseuse accrochée à la partie postérieure d'une machine compacteuse-finisseuse de coulée en continu des dalles en béton;
  • - les figures 2, 3, et 4 sont des coupes transversales de la figure précédente et illustrant successivement la mise en oeuvre du dispositif;
  • - les figures 5, 6 et 7 sont, à plus grande échelle, des coupes transversales analogues à celles des figures 2, 3, et 4 illustrant la mise en oeuvre d'une pince latérale du dispositif, et
  • - la figure 8 est une vue en élévation latérale du dispositif selon l'invention, tel que montré à la figure 4.
These particular features and details of the invention, as well as others, will appear during the following detailed description of a specific embodiment of the invention, with reference to the attached drawings, in which:
  • - Figure 1 is a longitudinal elevational view of the device according to the invention mounted on a smoothing plate attached to the rear part of a compactor-finisher machine for continuously casting concrete slabs;
  • - Figures 2, 3, and 4 are cross sections of the previous figure and successively illustrating the implementation of the device;
  • FIGS. 5, 6 and 7 are, on a larger scale, cross sections similar to those of FIGS. 2, 3, and 4 illustrating the use of a side clamp of the device, and
  • FIG. 8 is a side elevation view of the device according to the invention, as shown in FIG. 4.

Dans ces différentes figures, les mêmes notations de référence désignent des éléments identiques ou analogues.In these different figures, the same reference notations designate identical or analogous elements.

Un dispositif suivant l'invention pour enfoncer et positionner des gujons 1 de part et d'autre des joints de dilatation et de retrait 2 entre des dalles de béton 3, comprend une plaque lisseuse inférieure 4.A device according to the invention for driving in and positioning studs 1 on either side of the expansion and withdrawal joints 2 between concrete slabs 3, comprises a lower smoothing plate 4.

Dans la forme de réalisation particulière illustrée aux figures 1 et 2, la plaque lisseuse est accrochée à la partie postérieure 5 d'une machine compacteuse-finisseuse de coulée en continu des dalles en béton.In the particular embodiment illustrated in FIGS. 1 and 2, the smoothing plate is hooked to the rear part 5 of a compacting-finishing machine for continuously casting concrete slabs.

La plaque lisseuse 4 est destinée à reposer et à glisser sur la surface des dalles de béton 3 déjà compactée.The smoothing plate 4 is intended to rest and slide on the surface of the concrete slabs 3 already compacted.

La plaque lisseuse 4 est pourvue d'une série d'ouvertures 6 disposées en ligne à des intervalles fixés par les cahiers de charges. Ces ouvertures 6 permettent le passage des goujons 1 et des guides presseurs 7 qui assurent l'enfoncement des goujons 1 dans le béton frais non encore pris des dalles 3.The smoothing plate 4 is provided with a series of openings 6 arranged in line at intervals fixed by the specifications. These openings 6 allow the passage of the studs 1 and the pressure guides 7 which ensure the insertion of the studs 1 into the fresh concrete not yet taken from the slabs 3.

Suivant l'invention, un dispositif de distribution automatique des goujons suspectible d'alimenter l'appareillage susdit, comporte un caisson mobile de chargement 8 à fond ouvert cloisonné en une serie de compartiments verticaux 9. Ces compartiments 9 sont séparés par des cloisons verticales 10 et sont destinés à recevoir chacun une pile de goujons 1.According to the invention, a device for automatically distributing studs capable of supplying the aforementioned apparatus, comprises a mobile loading box 8 with an open bottom partitioned into a series of vertical compartments 9. These compartments 9 are separated by vertical partitions 10 and are intended to each receive a stack of studs 1.

Ce caisson 8 repose par les roues 11 sur un cadre-tiroir 12 qui repose à son tour sur la plaque lisseuse 4 de manière à pouvoir glisser sur cette dernière en étant actionnée par le vérin 16. Le caisson 8 se déplace d'un côté à l'autre de la plaque lisseuse sous l'entraînement des câbles 13 et des treuils 14.This box 8 rests by the wheels 11 on a drawer frame 12 which in turn rests on the smoothing plate 4 so as to be able to slide on the latter while being actuated by the jack 16. The box 8 moves from one side to the other of the smoothing plate under the drive of the cables 13 and the winches 14.

Le cadre-tiroir 12 présente une série d'entailles 15, dont la disposition et l'écartement correspondent exactement à la rangée d'ouvertures 6 prévue pour le passage des goujons 1 au travers de la plaque lisseuse 4.The drawer frame 12 has a series of notches 15, the arrangement and spacing of which correspond exactly to the row of openings 6 provided for the passage of the studs 1 through the smoothing plate 4.

En position d'attente, la série d'entailles 15 du cadre-tiroir 12 est en retrait par rapport à la série d'ouvertures 6 de la plaque lisseuse 4. Les entailles du cadre-tiroir 12 se présentent sous la forme d'évidements rectangulaires dont le fond est matéralisé par la plaque lisseuse 4. La profondeur de ces entailles borgnes 15 correspond exactement au diamètre des goujons 1.In the standby position, the series of notches 15 in the drawer frame 12 is set back with respect to the series of openings 6 in the smoothing plate 4. The notches in the drawer frame 12 are in the form of recesses rectangular whose bottom is materialized by the smoothing plate 4. The depth of these blind notches 15 corresponds exactly to the diameter of the studs 1.

En parcourant d'un côté à l'autre la plaque lisseuse 4, transversalement par rapport au sens d'avancement de la machine compacteuse-finisseuse, le caisson mobile 8 alimente en goujons 1 chacune des entailles borgnes 15 du cadre-tiroir 12.By traversing from one side to the other the smoothing plate 4, transversely with respect to the direction of advance of the compacting-finishing machine, the movable casing 8 feeds studs 1 each of the blind notches 15 of the drawer frame 12.

Dès que le caisson 8 a effectué son trajet et a rejoint un des côtés extérieurs, le cadre-tiroir 12 est considéré comme étant chargé et est maintenu en position d'attente jusqu'au moment où le dispositif d'enfoncement est amené par la plaque lisseuse 4 au-dessus du joint 2.As soon as the box 8 has completed its journey and joined one of the outer sides, the drawer frame 12 is considered to be loaded and is kept in the waiting position until the driving device is brought by the plate. trowel 4 above the joint 2.

On déplace alors simultanément l'ensemble des goujons 1 emprisonnés dans les entailles borgnes 15, d'une position d'attente vers les ouvertures 6 de la plaque lisseuse 4 au moyen du vérin 16.Then all the studs 1 trapped in the blind notches 15 are simultaneously moved from a standby position towards the openings 6 of the smoothing plate 4 by means of the jack 16.

Au moment où les entailles 1 5 du cadre-tiroir 12 sont amenées en coïncidence avec les ouvertures 6, les goujons 1 tombent par gravité dans ces dernières et reposent directement sur la dalle de béton 3.When the cuts 1 5 of the drawer frame 12 are brought into coincidence with the openings 6, the studs 1 fall by gravity into the latter and rest directly on the concrete slab 3.

Les guides presseurs 7, entraînés vers le bas par une poutre horizontale 17 déplaçable verticalement le long des colonnes verticales 28 en étant guidées par les bras-guides 18, assurent l'enfoncement des goujons 1 dans le béton non encore pris des dalles comme décrit dans le brevet européen No. 0051 885.The pressure guides 7, driven downwards by a horizontal beam 17 movable vertically along the vertical columns 28 while being guided by the guide arms 18, ensure the insertion of the studs 1 into the concrete not yet taken from the slabs as described in European patent No. 0051 885.

Les goujons 1 sont retenus en place par des ailettes 19 solidaires de la plaque lisseuse 4. L'enfoncement des goujons 1 s'effectue au moment où la poutre horizontale 17 se trouve juste au-dessus du joint 2. La poutre horizontale 17 est suspendue par les isolateurs 27 à une traverse 17', elle-même suspendue par des étriers 20 et des vérins 21 à un pont roulant 22.The studs 1 are retained in place by fins 19 secured to the smoothing plate 4. The studs 1 are pressed in when the horizontal beam 17 is just above the joint 2. The horizontal beam 17 is suspended by the insulators 27 to a cross member 17 ', itself suspended by stirrups 20 and jacks 21 from a traveling crane 22.

La plaque lisseuse 4, est ainsi solidaire d'une pont roulant 22 qui repose par les roues 23 sur un support 5 faisant partie de la machine compacteuse-finisseuse non montrée.The smoothing plate 4 is thus secured to a traveling crane 22 which rests by the wheels 23 on a support 5 forming part of the compactor-finisher machine not shown.

La vibration des guides-presseurs est obtenue par des vibreurs 24 montés sur la poutre 17. Le guidage vertical de la traverse 17' est réalisée par quatre colonnes 28 munies de trous oblongs 25. La plaque lisseuse 4 est suspendue au chariot 22. Grâce à la liberté de mouvement des colonnes assurée par les trous oblongs 25, la plaque lisseuse 4 prend constamment appui sur la surface de la dalle de béton 3.The vibration of the presser guides is obtained by vibrators 24 mounted on the beam 17. The vertical guiding of the crosspiece 17 'is carried out by four columns 28 provided with oblong holes 25. The smoothing plate 4 is suspended from the carriage 22. Thanks to the freedom of movement of the columns provided by the oblong holes 25, the smoothing plate 4 is constantly supported on the surface of the concrete slab 3.

L'enfoncement des goujons 1 est commandé par les vérins. Il s'effectue au moment où la plaque lisseuse 4 est immobilisée. L'immobilisation de la plaque lisseuse 4 n'interrompt cependant pas la progression continue de la machine compacteuse-finisseuse, grâce aux vérins de déplacement horizontal 26 qu'il suffit de relâcher pendant l'intervalle de temps nécessaire à la mise en place des goujons 1.The driving of the studs 1 is controlled by the jacks. It takes place when the smoothing plate 4 is immobilized. The immobilization of the smoothing plate 4 does not, however, interrupt the continuous progression of the compactor-finisher machine, thanks to the horizontal displacement cylinders 26 which it suffices to release during the time interval necessary for the fitting of the studs. 1.

Pour empêcher la propagation des vibrations des guides-presseurs 7 sur les autres organes de la machine compacteuse-finisseuse, on prévoit des amortisseurs 27.To prevent the propagation of vibrations of the presser guides 7 on the other members of the compactor-finisher machine, dampers 27 are provided.

Il est évident que l'invention n'est pas exclusivement limitée à la forme de réalisation représentée et que bien des modifications peuvent être apportées dans la forme, la disposition et la constitution de certains des éléments intervenant dans sa réalisation, sans pour autant sortir du cadre de l'invention comme défini dans les revendications.It is obvious that the invention is not exclusively limited to the embodiment shown and that many modifications can be made in the form, the arrangement and the constitution of some of the elements involved in its realization, without however departing from the scope of the invention as defined in the claims.

Claims (2)

1. A device for driving and positioning gudgeons (1) in not yet set concrete paving blocks (3), this device comprising a lower smoothing plate (4) optionally attached to the rear portion (5) of a compacting- finishing machine and adapted to rest and to slide on the surface of the already compacted concrete paving block (3), povided with a row of openings (6) arranged in a line at predetermined intervals, allowing the gudgeons (1) to be positioned by pressing guides (7) capable of sliding along vertical columns to allow the introduction and the driving of the gudgeons (1) in the not yet set concrete paving blocks (3), characterized in that it comprises a device for the automatic distribution of the gudgeons (1) constituted by a movable charging caisson (8) partitioned into a row of vertical compartments (9) open at the base, equipped with an adequate number of the said gudgeons (1) and drivable from one side to the other of the smoothing plate (4) so as to traverse a transverse row of notches (15) made side-by-side at predetermined intervals in a pull-out frame (12) in turn resting in sliding manner on the smoothing plate (4) and to deposit in each of the notches (15) gudgeons (1) which are then entrained, by translation of the pull-out frame (12) above each of the openings (6) provided in the smoothing plate (4), so as to permit the gudgeons (1) to fall on the concrete and to be sunk in the paving block (3) at the point of joints (2) therein.
2. A process for positioning gudgeons (1) using a device for sinking and positioning the gudgeons (1) according to claim 1, characterized in that each of the vertical compartments (9) of a moving caisson (8) having an open base is charged with gudgeons (1), the caisson 8 is driven from one side to the other of the smoothing plate (4) transversely to the direction of advance (X) of the machine so as to deposit a gudgeon (1 ) in each of the notches (15) of a pull-out frame (12) arranged remote from the openings (6) of a smoothing plate (4), the pull-out frame (12) is actuated, once the caisson (8) has returned to the charging point, by translation from a pre-operative position towards a gudgeon introduction position so as to introduce alle the gudgeons (1) held in notches (15) simultaneously in to each of the openings (6) for passage and sinking of the gudgeons (1) which fall through these openings (6) directly onto the fresh concrete, and each gudgeon (1) is sunk by means of vibrating pressing guides (7) into the not yet set concrete paving blocks (3), the pressing guides are removed and the pull-out frame (12) is pushed back to the pre-operative position.
EP19860200375 1985-04-02 1986-03-10 Apparatus for driving and positioning dowels into concrete slabs Expired EP0196698B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE0/214771A BE902096R (en) 1985-04-02 1985-04-02 Press for fitting studs into concrete - has automatic dispenser with cells to hold studs and draw frame
BE214771 1985-04-02

Publications (2)

Publication Number Publication Date
EP0196698A1 EP0196698A1 (en) 1986-10-08
EP0196698B1 true EP0196698B1 (en) 1988-08-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860200375 Expired EP0196698B1 (en) 1985-04-02 1986-03-10 Apparatus for driving and positioning dowels into concrete slabs

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EP (1) EP0196698B1 (en)
DE (1) DE3660455D1 (en)
ES (1) ES8704230A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907643A1 (en) * 1989-03-09 1990-10-04 Thoma Erhard Dowel inserter
US5209602A (en) * 1991-06-10 1993-05-11 Gomaco Corporation Method and apparatus for inserting dowel bars for a concrete slip forming machine
US6099204A (en) * 1996-08-13 2000-08-08 Godbersen; Gary L. Apparatus for inserting dowel bars in a concrete slip forming machine
CA2211331C (en) * 1996-08-13 2002-05-28 Gary L. Godbersen Apparatus for inserting dowel bars within the pan of a concrete slip forming machine
BE1011454A6 (en) 1997-09-16 1999-09-07 Casters Francois Concrete down machine and hereby deuvelapparaat used.
DE19904797C1 (en) 1999-02-05 2000-12-28 Wirtgen Gmbh Device for inserting dowels in freshly laid pavements
DE10200852B4 (en) * 2002-01-11 2004-03-18 Walter-Heilit Verkehrswegebau Gmbh Device for providing a row of installation elements arranged next to one another in an uncured concrete layer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443495A (en) * 1967-11-29 1969-05-13 Carl J Heltzel Concrete reinforcing steel handling and placing device
BE800703A (en) * 1973-06-08 1973-10-01 Moser Hans DEVICE FOR DRIVING AND POSITIONING PARALLEL STUDS IN CONCRETE SLABS
BE886077A (en) * 1980-11-07 1981-05-07 Moser Andreas IMPROVED DEVICE FOR PUSHING AND POSITIONING STUDS IN CONCRETE SLABS
EP0117323B1 (en) * 1983-02-10 1987-08-26 Guntert And Zimmermann Const. Div. Inc. Apparatus and process for dowel insertion to concrete panel joints

Also Published As

Publication number Publication date
DE3660455D1 (en) 1988-09-08
ES8704230A1 (en) 1987-04-01
ES553323A0 (en) 1987-04-01
EP0196698A1 (en) 1986-10-08

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