EP0051885A1 - Vorrichtung zum Eindrücken und Setzen von Dübeln in Betonplatten - Google Patents

Vorrichtung zum Eindrücken und Setzen von Dübeln in Betonplatten Download PDF

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Publication number
EP0051885A1
EP0051885A1 EP81201159A EP81201159A EP0051885A1 EP 0051885 A1 EP0051885 A1 EP 0051885A1 EP 81201159 A EP81201159 A EP 81201159A EP 81201159 A EP81201159 A EP 81201159A EP 0051885 A1 EP0051885 A1 EP 0051885A1
Authority
EP
European Patent Office
Prior art keywords
horizontal beam
studs
machine
slabs
concrete
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.)
Granted
Application number
EP81201159A
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English (en)
French (fr)
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EP0051885B1 (de
Inventor
Andréas Moser
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H E T AG
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Individual
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Publication date
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Application filed by Individual filed Critical Individual
Priority to AT81201159T priority Critical patent/ATE9015T1/de
Publication of EP0051885A1 publication Critical patent/EP0051885A1/de
Application granted granted Critical
Publication of EP0051885B1 publication Critical patent/EP0051885B1/de
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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
    • 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 driving and positioning studs in concrete slabs during the construction of a road.
  • the studs are placed parallel to each other on either side of the joints separating the slabs and perpendicular to these joints.
  • studs denotes a stud proper or a similar bar allowing the withdrawal or expansion of the concrete from the slabs which it connects and constituting a load transfer element on either side of the joint between these slabs.
  • German device DE-P 2 406 925 discloses a device mounted on a compactor-finisher machine, this device being intended to drive and install steel studs into the freshly poured concrete of a concrete road slab.
  • the device comprises a horizontal beam which comprises several stores of studs and pressure guides distributed two by two opposite one another and directed downwards, intended to push the studs out of support clamps holding said studs in position wait and drive these studs down to the concrete position not yet taken from slabs, these clamps being able to slide vertically and transversely with respect to the horizontal beam.
  • the device is mounted on a carriage suspended from rails and designed to move along the aforementioned machine.
  • the present invention relates to a device for placing studs at the joints of road concrete slabs which overcomes the drawbacks of known techniques.
  • the device according to the invention for driving and positioning studs by vibration in concrete slabs during the construction of roads, on either side of the joints separating these slabs and perpendicular to these joints, comprising a horizontal beam which is provided vibrators and holding members intended to grip the studs and which is mounted on an independent frame so as to be able to be moved vertically by means of displacement over a joint, with a view to driving these studs up in the lower position in the concrete not yet taken from the slabs, is essentially characterized in that it comprises a lower plate intended to rest and slide on the surface of the already compacted concrete slab, this lower plate having openings for the passage studs and pressure guides fixed to the above-mentioned horizontal beam during the descent of this horizontal beam and in that said goujo holding members ns are connected to the horizontal beam and the pressure guides so as to allow this horizontal beam and the pressure guides to move downward relative to the holding members bearing on the aforementioned lower plate, to ensure the insertion of the studs in concrete not yet taken from slabs.
  • the bottom plate or smoothing plate of the device according to the invention prevents alterations to the surface of the slabs, due to vibrations when the studs are driven in.
  • the device according to the invention can be produced as a dowel-smoothing device independent of the compactor-finisher machine. It is then hung on a compacting-finishing machine with sliding formwork which distributes, compacts and finishes a concrete slab in continuous advance, by drive means allowing a discontinuous movement of said device relative to said machine, which avoids the stop of the latter during the stud positioning operation.
  • the device according to the invention can also be connected directly to the chassis of a compacting-finishing machine. This implies the interruption of the continuous progression of the latter, for the duration of the positioning of the studs, but unlike known devices, this stop does not constitute a drawback, since the forces exerted for the driving in of the studs are not transmitted to the chassis of the compacting-finishing machine, but to the bottom plate or smoothing plate of the device.
  • the device can be suspended from a horizontal beam integral with the chassis of said compacting-finishing machine by articulated or sliding means, capable of carrying part of the weight of said device by said chassis. the machine.
  • These means may in particular comprise a compensation mechanism, intended to make said device bear with a constant, adjustable weight, by the chassis of the machine.
  • the aforementioned articulated means consist of pairs of rods each forming a parallelogram articulated with the horizontal beam of the chassis of the machine and with the lower smoothing plate of the device.
  • the compensation mechanism is advantageously constituted by rods articulated on the rods and suspended from springs. These springs can bear on a guide carried by the horizontal beam of the chassis of the compactor-finisher machine. They each carry a rod by a nut screwed to the threaded end of each rod.
  • the means for vertical displacement of the horizontal beam advantageously consist of hydraulic cylinders, suspended from supports fixed to said bottom plate of the device.
  • the stud holding members can advantageously be constituted by stud holding clamps and can be slidably arranged with the horizontal beam, on either side of the pressure guides, as in the devices known described above.
  • the device shown is used to drive in and position studs 1 in concrete slabs 2 for roads.
  • the studs 1 extend on either side of the expansion and withdrawal joints between the slabs 2.
  • the studs 1 are mutually parallel and perpendicular to the joints of the slabs 2.
  • the device shown is attached to the rear part of a compacting-finishing machine for continuously casting concrete slabs 2.
  • the device for driving in and positioning the studs 1 in the concrete constituting the slabs 2 essentially comprises a smoothing plate 4 suspended from the rear beams 3 of the chassis 9 of the compactor-finisher machine and resting on the surface of the concrete slab 2 put in place by this machine, as well as a horizontal beam 5 suspended by means of vertical displacement cylinders 6, to supports 7 fixed on the smoothing plate 4.
  • the smoothing plate is attached to the chassis 9 of the compactor-finisher machine by means of jacks 8.
  • the device for driving in and positioning the studs thus placed at the rear of the compactor-finisher machine, is driven by the latter in a direction perpendicular to the joints between the slabs 2, and can be moved in a translational movement relative to to the machine by the actuation of the jacks 8 hooked to the chassis 9 of the compactor-finisher machine and articulated at 10 to the smoothing plate 4 of the device.
  • the device as a whole is suspended from the beam 3 of the chassis 9 of the compactor-finisher machine, preferably by means of articulated means 11 capable of causing the device to be carried by the posterior beams 3 of the chassis 9 of the compacting-finishing machine with an essentially constant and adjustable force.
  • the articulated means 11 consist of pairs of rods 12 each forming with the horizontal beam 3 of the chassis 9 of the machine and with the smoothing plate 4 an articulated parallelogram intended to take up part of the forces of driving the studs 1 into the slab of concrete 2 in order to avoid an undesirable inclination of the smoothing plate 4, which inclination would cause unacceptable unevennesses in the surface of the concrete slabs 2.
  • the articulated parallelograms are articulated to compensation mechanisms 13 constituted by rods 14 which can be suspended from springs 16, these springs 16 bearing on a guide 15 carried by the horizontal beam 3 of the chassis 9 of the compactor-finisher machine.
  • the stress of the springs 16 is adjustable by modifying the position of a nut 17 screwed to the threaded end of each rod 14. It is thus possible to adjust the load of the device on each of the beams 3 of the compactor-finisher machine.
  • the arrangement described above allows the driving in and positioning of the studs without interrupting the continuous progression of the compactor-finisher machine. It is sufficient, during each aforementioned operation, to release the horizontal displacement cylinders 8 to immobilize the smoothing plate 4 on the concrete slab 2 for the duration of the installation of the studs 1.
  • the device When the insertion and insertion of the studs 1 are completed, the device is returned to the compactor-finisher machine by actuation of the jacks 8.
  • the insertion and the installation of the studs are carried out by displacement of the horizontal beam 5 of the device.
  • This horizontal beam 5 extends parallel to the joint separating the slabs 2, and is movable vertically above the joints.
  • the horizontal beam 5 is raised and lowered by the vertical displacement cylinders 6.
  • the horizontal beam 5 carries lateral clamps 18 arranged two by two along its longitudinal edges and placed one against the other.
  • Each clamp 18 is in fact made up of two arms articulated around an upper pivot 19 and constantly urged towards each other by a return spring 20.
  • the arms of each clamp 18 have in their lower part recesses 24 of which the widths correspond to the diameter of the studs 1.
  • Each clamp 18 is guided by an upper lateral collar 21 and by a lower lateral collar 22 fixed to the horizontal beam 5.
  • the upper pivot 19 of each clamp 18 projects on either side of the arms of this clamp and serves as a stop for the upper lateral collar 21.
  • each clamp 18 allows the beam horizontal 5 to move vertically when driving studs 1 ( Figure 3).
  • Presser guides 23, integral with the horizontal beam 5 are distributed regularly in pairs between the pairs of lateral clamps 18 and are arranged one opposite the other. These pressure guides 23 each consist of a bar, the lower end of which has a notch 27 open at the bottom, corresponding to the diameter of the studs 1. They are fixed laterally to the horizontal beam 5 and directed downwards. When lowering the horizontal beam 5, the pressure guides 23, which are also driven downward, push the studs 1 downwards and force the arms of the holding clamps 18 to open against the springs 20, so as to release these studs 1 which are then driven into the concrete by presser guides 23 through openings 26 formed in the smoothing plate 4 (FIG. 4).
  • the horizontal beam 4 is equipped with one or more vibrators 25 mounted on its upper face and capable of transmitting appropriate vibrations to it.
  • the device described above Before driving in and positioning the studs 1 in the not yet set and practically plastic concrete of the slabs 2, the device described above is located above these slabs 2, resting on their surface by its smoothing plate 4. In the upper position (FIG. 3) of the horizontal beam 5, the studs 1 are gripped by the lateral clamps 18. For this purpose, the ends of the studs 1 are engaged in the recesses 24 of the clamps 18 and rest by their weight against the bottoms of these: recesses 24, formed in the ends of the arms of these clamps 18.
  • the horizontal beam 5 is lowered under the action of the vertical displacement cylinders 6.
  • the lower ends of the clamps 18 meet the face upper of the smoothing plate 4.
  • the clamps 18 remain in place, but this horizontal beam 5 with the pressure guides 23, continues its descent by sliding along the clamps 18 immobilized.
  • the pressure guides 23 come into contact with the studs 1 and exert on them forces directed downwards.
  • the pressure guides 23 then push the stud 1 through the openings 26 formed in the smoothing plate 4, in the concrete of the slabs 2, to their final lower position.
  • the device described above therefore allows, without specialized labor and without difficulty of execution, to drive in and correctly and directly place a large number of studs, without seriously disturbing the upper surface of the concrete slabs. during the installation of the studs, this surface being moreover again equalized by the smoothing plate when the latter is withdrawn by the jacks 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Road Paving Machines (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP81201159A 1980-11-07 1981-10-20 Vorrichtung zum Eindrücken und Setzen von Dübeln in Betonplatten Expired EP0051885B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81201159T ATE9015T1 (de) 1980-11-07 1981-10-20 Vorrichtung zum eindruecken und setzen von duebeln in betonplatten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE202732 1980-11-07
BE0/202732A BE886077A (fr) 1980-11-07 1980-11-07 Dispositif perfectionne d'enfoncement et de positionnement de goujons dans des dalles en beton

Publications (2)

Publication Number Publication Date
EP0051885A1 true EP0051885A1 (de) 1982-05-19
EP0051885B1 EP0051885B1 (de) 1984-08-15

Family

ID=3843377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201159A Expired EP0051885B1 (de) 1980-11-07 1981-10-20 Vorrichtung zum Eindrücken und Setzen von Dübeln in Betonplatten

Country Status (5)

Country Link
US (1) US4433936A (de)
EP (1) EP0051885B1 (de)
AT (1) ATE9015T1 (de)
BE (1) BE886077A (de)
DE (1) DE3165579D1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104441A1 (de) * 1982-08-27 1984-04-04 Heilit & Woerner Bau-AG Dübel-Setzgerät
EP0117323A1 (de) * 1983-02-10 1984-09-05 Guntert And Zimmermann Const. Div. Inc. Vorrichtung und Verfahren zum Einbringen von Dübeln in die Fugen von Betondecken
EP0154761A2 (de) * 1984-03-14 1985-09-18 Thoma, Erhard L. Strassenbaumaschine mit einem Vibrationsfertiger und mit einer Vorrichtung zum Einbringen von Bewehrungsstäben in eine frisch verlegte Fahrbahndecke
EP0196698A1 (de) * 1985-04-02 1986-10-08 Moser, Andréas Vorrichtung zum Eindrücken und Setzen von Dübeln in Betonplatten
EP0906991A1 (de) * 1997-09-16 1999-04-07 François Casters Betonfertiger und zugeordnete Dübeleinbringungsvorrichtung

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH669232A5 (de) * 1986-03-27 1989-02-28 Thoma Werksvertretungen Vorrichtung zum einbringen von bewehrungsstaeben in eine fahrbahndecke aus beton.
CH669233A5 (de) * 1986-04-04 1989-02-28 Thoma Werksvertretungen Strassenbaumaschine.
US4688963A (en) * 1986-04-21 1987-08-25 Rexworks Inc. Dowel bar placing
US4995758A (en) * 1989-07-31 1991-02-26 Cmi Corporations Center bar inserter
US5135333A (en) * 1991-01-09 1992-08-04 Guntert & Zimmerman Const. Div. Inc. Band reinforcement inserting apparatus and process
US5190397A (en) * 1991-03-18 1993-03-02 Gomaco Corporation Dowel bar insertion method and apparatus for concrete paving machine
US5209602A (en) * 1991-06-10 1993-05-11 Gomaco Corporation Method and apparatus for inserting dowel bars for a concrete slip forming machine
US5405212A (en) * 1992-06-18 1995-04-11 Cmi Corporation Paving machine with drop-then-stop dowel bar insertion
US5318377A (en) * 1992-06-18 1994-06-07 Cmi Corporation Paving machine with midline dowel bar insertion
US5388927A (en) * 1993-03-25 1995-02-14 Cmi Corporation Raiseable pan drag apparatus
AU1832795A (en) * 1994-01-21 1995-08-08 George W. Swisher Jr. Paving material machine having a tunnel with automatic gate control
US5674028A (en) * 1995-07-28 1997-10-07 Norin; Kenton Neal Doweled construction joint and method of forming same
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
US6099204A (en) * 1996-08-13 2000-08-08 Godbersen; Gary L. Apparatus for inserting dowel bars in a concrete slip forming machine
US5993108A (en) * 1998-08-10 1999-11-30 Bestgen, Inc. Dowell rod inserter
US6394410B1 (en) 2000-07-06 2002-05-28 Randy L. Thompson Adjustable reinforcement insertion guide for a slip form concrete barrier mold
US7029072B1 (en) 2002-03-11 2006-04-18 Wirtgen America, Inc. Modified rumble strip cutter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR397418A (fr) * 1907-12-17 1909-05-07 Ransome Internat Conduit C Moule voyageur pour les constructions en béton
FR836153A (fr) * 1937-03-22 1939-01-12 Appareil servant à confectionner des revêtements en béton
DE2406925A1 (de) * 1974-02-14 1975-08-28 Voegele Ag J Vorrichtung zum einbringen von stahlduebel in eine frisch verlegte fahrbahndecke aus beton
DE2419168A1 (de) * 1974-04-20 1975-11-13 Voegele Ag J Strassenfertiger zum einbau von beton
EP0006809A2 (de) * 1978-06-23 1980-01-09 Pascal Charles Cacciuttolo Verfahren zum Einbringen von Fugenkörpern in Fahrbahndecken aus Beton und zum gleichzeitigen Aufbringen einer Verschleissschicht, Maschine zum Ausführen dieses Verfahrens und Betondecken mit versenkten Fugenkörpern und Oberflächenkerben

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR397418A (fr) * 1907-12-17 1909-05-07 Ransome Internat Conduit C Moule voyageur pour les constructions en béton
FR836153A (fr) * 1937-03-22 1939-01-12 Appareil servant à confectionner des revêtements en béton
DE2406925A1 (de) * 1974-02-14 1975-08-28 Voegele Ag J Vorrichtung zum einbringen von stahlduebel in eine frisch verlegte fahrbahndecke aus beton
DE2419168A1 (de) * 1974-04-20 1975-11-13 Voegele Ag J Strassenfertiger zum einbau von beton
EP0006809A2 (de) * 1978-06-23 1980-01-09 Pascal Charles Cacciuttolo Verfahren zum Einbringen von Fugenkörpern in Fahrbahndecken aus Beton und zum gleichzeitigen Aufbringen einer Verschleissschicht, Maschine zum Ausführen dieses Verfahrens und Betondecken mit versenkten Fugenkörpern und Oberflächenkerben

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Strasse und Verkehr, Route et Trafic, Vol. 67, Juillet 1981 Zurich, CH P. RAPP: "Neue Entwicklungen im Betonstrassenbau", pages 237-239 * page 238, colonne de droite, lignes 29-36; page 239, colonne de gauche, lignes 1-9; colonne de droite, lignes 1-5; figures 5,6 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104441A1 (de) * 1982-08-27 1984-04-04 Heilit & Woerner Bau-AG Dübel-Setzgerät
EP0117323A1 (de) * 1983-02-10 1984-09-05 Guntert And Zimmermann Const. Div. Inc. Vorrichtung und Verfahren zum Einbringen von Dübeln in die Fugen von Betondecken
EP0154761A2 (de) * 1984-03-14 1985-09-18 Thoma, Erhard L. Strassenbaumaschine mit einem Vibrationsfertiger und mit einer Vorrichtung zum Einbringen von Bewehrungsstäben in eine frisch verlegte Fahrbahndecke
EP0154761A3 (en) * 1984-03-14 1986-07-30 Walo Bertschinger Ag Vibrating slipform paver comprising a device for inserting reinforcing bars in a freshly-laid road surface
EP0196698A1 (de) * 1985-04-02 1986-10-08 Moser, Andréas Vorrichtung zum Eindrücken und Setzen von Dübeln in Betonplatten
EP0906991A1 (de) * 1997-09-16 1999-04-07 François Casters Betonfertiger und zugeordnete Dübeleinbringungsvorrichtung
US6390728B1 (en) * 1997-09-16 2002-05-21 Drion Constructie B.V.B.A. Concrete paving machine and dowel apparatus therewith applied

Also Published As

Publication number Publication date
DE3165579D1 (en) 1984-09-20
BE886077A (fr) 1981-05-07
US4433936A (en) 1984-02-28
ATE9015T1 (de) 1984-09-15
EP0051885B1 (de) 1984-08-15

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