EP0472094B1 - Finisseuse pour revêtements routiers avec plaque inférieure oscillante autour d'une charnière liant cette plaque à une structure portante - Google Patents

Finisseuse pour revêtements routiers avec plaque inférieure oscillante autour d'une charnière liant cette plaque à une structure portante Download PDF

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Publication number
EP0472094B1
EP0472094B1 EP91113566A EP91113566A EP0472094B1 EP 0472094 B1 EP0472094 B1 EP 0472094B1 EP 91113566 A EP91113566 A EP 91113566A EP 91113566 A EP91113566 A EP 91113566A EP 0472094 B1 EP0472094 B1 EP 0472094B1
Authority
EP
European Patent Office
Prior art keywords
screed
smoothing plate
road
load
connecting means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91113566A
Other languages
German (de)
English (en)
Other versions
EP0472094A1 (fr
Inventor
Pietro Ceccaroli
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.)
Joseph Voegele AG
Original Assignee
Joseph Voegele 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 Joseph Voegele AG filed Critical Joseph Voegele AG
Publication of EP0472094A1 publication Critical patent/EP0472094A1/fr
Application granted granted Critical
Publication of EP0472094B1 publication Critical patent/EP0472094B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01C19/22—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 consolidating or finishing laid-down unset materials
    • E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
    • E01C19/407—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with elements or parts partly or fully immersed in or penetrating into the material to act thereon, e.g. immersed vibrators or vibrating parts, kneading tampers, spaders

Definitions

  • the present invention relates to a paver with a screed for working paving which is movable in one direction and is suitable for distributing, paving and compacting paving materials
  • the screed comprising a first load-bearing superstructure and one with the first load-bearing structure Superstructure connecting second structure, the second structure consisting of a smoothing plate which is suitable for determining the thickness of the road surface, the screed having vibration means for generating vertical vibrations of the smoothing plate in the course of the movements of the paver and control means for controlling the width of the vibrations and for damping the vibrations transmitted to the first supporting superstructure, and a protective device in front of a connecting means which connects the first supporting upper structure to the smoothing plate in order to prevent material from road surface building material from penetrating into the connecting means, the protective device on the connecting means extending at least over the entire length of the connecting means, the connecting means, viewed in the working direction, is arranged in the front part of the screed and in this way the supporting upper structure is connected to the smoothing
  • vibrating devices for directional or non-directional vibrations can be installed, which provide for the vibrations of a screed smoothing plate, so that the road surface is compacted and smoothed.
  • the vibrating devices In order to maintain a wave movement, the vibration range of which is adapted to the use of the paver, the vibrating devices should have a power which is suitable for the mass of the paver to be vibrated.
  • the invention has for its object to allow a single structure of a screed of the paver to vibrate with a reduced power requirement, although comparable smoothing effects as with conventional pavers with a high power requirement or better smoothing effects than conventional pavers with the same power requirement are achieved.
  • the rear elastic connection comprises control means in the form of two tensionable pairs of springs for controlling the width of the vibrations.
  • Fig. 1 shows a front view of a screed of a paver according to the invention, in which a vibrating device 1 equipped with an external center mass 29 is kinematically connected to a motor 2 such that the motor 2 drives the vibrating device 1.
  • Fig. 2 shows a section of the screed of a paver shown in Fig. 1 with the solder plane A-A.
  • a supporting upper structure 3 is shown, which carries a plate-shaped lower structure or smoothing plate 7.
  • the smoothing plate 7 is connected to the upper structure 3 by a hinge 6 arranged in the front part of the screed and by two pairs of springs 8 and 9 located in the side ends of the screed, bolts 10 being provided for compressing the springs 8 and 9, respectively.
  • the supporting structure 3 is connected to the paver, not shown, by conventional means, not shown.
  • conventional elements, not shown, for controlling the screed in relation to the road working machine are provided in order to produce a predetermined thickness X (FIG. 2) from road surface building material.
  • a protective device 5 is provided in front of the hinge 6 between the structure 3 and the smoothing plate 7 in order to prevent material from road surface building material from penetrating into the hinge 6 while the paver is moving in the direction C.
  • the protective device 5 extends at least over the entire length of the hinge 6.
  • the screed moved by the paver moves in the direction of arrow C.
  • the structure 3 installed in the paver pulls the screed plate 7 in the same direction C, the screed plate 7 being connected to the structure 3 by the hinge 6.
  • the smoothing plate 7 is set in motion by the vibrating device 1, which is kinematically connected to the motor 2.
  • the vibrating smoothing plate 7 compresses the covering material until a thickness X is obtained.
  • the road surface building material is compacted by the forward movement and the vibration of the smoothing plate 7.
  • the smoothing plate 7 pivots about the hinge 6 in alternating movements under the action of the vibrating device 1.
  • This has an eccentric mass 29 which allows the smoothing plate 7 to swing in four directions D, E, F, G.
  • the smoothing plate 7 connected to the structure 3 by the hinge 6 can only swing in the directions E and D.
  • the width of the curved line described by the smoothing plate depends on the distance of the points belonging to the smoothing plate 7 from the hinge 6. In the area of the smoothing plate 7, which acts on the built-in layer, the widths of the sheets are sufficient to produce a uniform and progressive compactness of the thickness X of the covering material 4 due to the movement of the smoothing plate 7 in the direction C.
  • the pairs of springs from the springs 8 and 9 are arranged as shown in FIG. 3.
  • a first claw 14 fastened to the structure 3 is provided for each pair of springs from the springs 8 and 9, the claw 14 having a first through hole 15 for the bolt 10 is equipped.
  • a second claw 16 fastened with the smoothing plate 7 is equipped with a second through hole 17 for the bolt 10.
  • the spring 9 is arranged between a support plane 20 provided in the claw 15 and a support plane 21 which is located in one side 22 of a bushing 23.
  • the head of the bolt 10 is supported on a second side 24 opposite the first side 22.
  • a nut 25 is supported on a plane 26 of the claw 16 for adjusting the tension of the spring 8, which determines the tension of the spring 9.
  • the width of the vibrations of the smoothing plate 7 depends on the tension of the spring 9 in an inversely proportional manner.
  • the springs 9 transmit the vibrations to the structure 3. Nevertheless, the vibrations are damped by the elasticity of the spring 9 in order not to damage the structure 3, which is connected to the paver.
  • the claw 14 is constructed so that there is no material fatigue of the material from which it is built.
  • FIG. 4 shows the paver equipped with a device for starting the pounding process of the road surface.
  • This device consists of an eccentric rotor 27 and a tamper 11 which is connected to the rotor 27 by a conventional connecting member 28.
  • the rotor 27 drives the tamper 11 alternately up and down to start the smoothing process of the road surface, which is processed by the smoothing plate 7.
  • a protective device 12 is arranged in front of the hinge 6 in the direction C of the paver in order to prevent material from road surface building material from penetrating into the hinge 6, the protective device 12 extending at least over the entire length of the hinge.
  • the hinge 6 is an elastic hinge that combines the functions of binding with a degree of freedom between the structures 3 and 7 and of elastic connection between the same structures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Road Signs Or Road Markings (AREA)
  • Vibration Prevention Devices (AREA)

Claims (5)

  1. Finisseur avec une plaque de damage pour la préparation de revêtements routiers qui est mobile dans une direction (C) et est susceptible de distribuer, poser et compacter des matériaux de revêtement routier, la plaque de damage étant composée d'une première structure portante (3) et d'une seconde structure (7) en liaison avec la première structure portante (3),
       la seconde structure consistant en une tôle d'égalisation (7) qui est susceptible de déterminer l'épaisseur (X) du revêtement routier,
       la plaque de damage présentant des moyens d'oscillation destinés à créer des oscillations verticales de la tôle d'égalisation (7) au cours des mouvements du finisseur et des moyens de réglage (8, 9, 10) destinés à régler l'ampleur des oscillations et à amortir les oscillations qui se transmettent à la première structure portante (3),
       et un dispositif de protection (5, 12) étant disposé devant un moyen de connexion (6) reliant la première structure portante (3) à la tôle d'égalisation (7), pour empêcher que des matières du matériau de revêtement routier ne pénètrent dans le moyen de connexion (6), le dispositif de protection (5, 12) s'étendant au moyen de connexion (6) au moins sur toute la longueur du moyen de connexion (6),
       le moyen de connexion (6), observé dans la direction de travail (C), étant disposé dans la partie avant de la plaque de damage et la structure portante (3) étant de cette manière reliée à la tôle d'égalisation (7) et un moyen d'oscillation (1) étant disposé dans la partie arrière de la plaque de damage et le moyen de connexion (6) consistant en une charnière qui s'étend dans le sens de la largeur de la plaque de damage, transversalement à la direction de travail,
       et la tôle d'égalisation (7) et la première structure portante (3) présentant, dans la partie arrière de la plaque de damage, une connexion élastique, caractérisé en ce que la connexion élastique arrière comporte des moyens de réglage (8, 9, 10) sous forme de deux paires de ressorts (8, 9) pouvant être tendus, destinés au réglage de l'ampleur des oscillations.
  2. Finisseur suivant la revendication 1, caractérisé en ce que les moyens d'oscillation comportent un dispositif de secousse (1) équipé d'une masse excentrique (29).
  3. Finisseur suivant la revendication 1, caractérisé en ce que, dans les moyens de réglage (8, 9, 10), une paire d'écrous (10) agissent sur les seconds ressorts pour régler la tension des premiers ressorts (9), afin de déterminer l'ampleur des oscillations de la tôle d'égalisation (7).
  4. Finisseur suivant la revendication 1, caractérisé en ce que le moyen de connexion (6) consiste en une charnière élastique.
  5. Finisseur suivant la revendication 1, caractérisé en ce qu'il est prévu un pilon (11) qui est relié, par l'intermédiaire d'un élément de connexion (28) à un rotor excentrique (27), le rotor (27) entraînant le pilon (11) alternativement vers le haut et vers le bas pour commencer l'opération d'égalisation du revêtement routier qui est réalisée par la tôle d'égalisation.
EP91113566A 1990-08-23 1991-08-13 Finisseuse pour revêtements routiers avec plaque inférieure oscillante autour d'une charnière liant cette plaque à une structure portante Expired - Lifetime EP0472094B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4631290 1990-08-23
IT04631290A IT1243556B (it) 1990-08-23 1990-08-23 Ferro da stiro, per distesa di manti stradali, con parte inferiore oscillante attorno ad un asse posto sul ferro da stiro medesimo.

Publications (2)

Publication Number Publication Date
EP0472094A1 EP0472094A1 (fr) 1992-02-26
EP0472094B1 true EP0472094B1 (fr) 1995-01-11

Family

ID=11258601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91113566A Expired - Lifetime EP0472094B1 (fr) 1990-08-23 1991-08-13 Finisseuse pour revêtements routiers avec plaque inférieure oscillante autour d'une charnière liant cette plaque à une structure portante

Country Status (4)

Country Link
EP (1) EP0472094B1 (fr)
DE (1) DE59104216D1 (fr)
ES (1) ES2069140T3 (fr)
IT (1) IT1243556B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9212166U1 (de) * 1992-09-09 1994-01-20 Joseph Vögele AG, 68163 Mannheim Einbaubohle für einen Straßenfertiger
CN102409597B (zh) * 2011-11-11 2014-02-12 中联重科股份有限公司 熨平板和摊铺机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR893442A (fr) * 1942-05-04 1944-06-08 Licentia Gmbh Appareil pour la construction de revêtements de routes en béton ou autres matériaux de remblai analogues
US4313690A (en) * 1977-12-14 1982-02-02 As Phonix Asphalt laying machine
WO1980000160A1 (fr) * 1978-06-28 1980-02-07 Aebi Ag R Machines de finition pour route en beton
DE3114049C3 (de) * 1981-04-07 1988-06-16 Voegele Ag J Deckenfertiger

Also Published As

Publication number Publication date
IT1243556B (it) 1994-06-16
EP0472094A1 (fr) 1992-02-26
IT9046312A0 (it) 1990-08-23
DE59104216D1 (de) 1995-02-23
ES2069140T3 (es) 1995-05-01
IT9046312A1 (it) 1992-02-23

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