EP0201577B1 - MASCHINE FÜR PRODUKTION, VERTEILUNG UND VERDICHTUNG VON TROCKENBETON, INSBESONDERE FüR DEN STRASSENBAU - Google Patents

MASCHINE FÜR PRODUKTION, VERTEILUNG UND VERDICHTUNG VON TROCKENBETON, INSBESONDERE FüR DEN STRASSENBAU Download PDF

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Publication number
EP0201577B1
EP0201577B1 EP85905825A EP85905825A EP0201577B1 EP 0201577 B1 EP0201577 B1 EP 0201577B1 EP 85905825 A EP85905825 A EP 85905825A EP 85905825 A EP85905825 A EP 85905825A EP 0201577 B1 EP0201577 B1 EP 0201577B1
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EP
European Patent Office
Prior art keywords
aggregate
silo
binder
adjusting
vehicle
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
EP85905825A
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English (en)
French (fr)
Other versions
EP0201577A1 (de
Inventor
Heikki Peltoniemi
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.)
PELTONIEMI, HEIKKI
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Individual
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Publication date
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Priority to AT85905825T priority Critical patent/ATE50011T1/de
Publication of EP0201577A1 publication Critical patent/EP0201577A1/de
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Publication of EP0201577B1 publication Critical patent/EP0201577B1/de
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
    • E01C19/46—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 preparing and placing the materials, e.g. slurry seals
    • E01C19/47—Hydraulic cement concrete mixers combined with distributing means specially adapted for road building
    • 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
    • E01C19/002—Apparatus for preparing and placing the materials and for consolidating or finishing the paving

Definitions

  • the invention relates to a vehicle for making, spreading and packing a paving material comprised of an aggregate and a binder, said vehicle comprising a body, front support means at a leading end of said body, aggregate storage means on said body adjacent said leading end, a vertically arranged discharge silo at the rear section of said storage means, the bottom end of said discharge silo being provided with a downwardly open horizontally arranged cross-wise outlet, means for delivering metered quantities of aggregate from said storage means to a mxing area adjacent the top of said silo, a binder tank on said body, means for delivering metered quantities of binder from said tank to said mixing area, means in said mixing area for combining said binder and aggregate, spreader blade means in a trailing position relative to said outlet, means for vertically adjusting the position of said blade means, and means for advancing said vehicle along said surface to be paved.
  • US-A-2 201 493 comprising a carriage frame with front and rear flanged wheels and a secondary frame supported by said main frame.
  • the latter extends across the road way and is adapted to be raised and lowered relative to the main frame by hand-actuated jacks.
  • Mounted on the secondary frame is a picking-up mechanism for scooping soil or road material transporting upwardly and discharging it into a throat of a hopper mounted on the secondary frame.
  • an adjustable valve member is arranged for regulating the passed portion of the road material since the overflow material is carried away by a spiral screw member.
  • Into the throat opening further flows at least one discharge spout of a second hopper for a suitable admixture and having a control valve for regulating the delivery of the admixture material into the first hopper.
  • the road material and the binder are mixed in the mixing hopper which has an open bottom extending across the road way.
  • vibration means also attached to the secondary frame, are submerged in the discharged material from the open bottom.
  • the known apparatus is provided with a weighted roller positioned rearwardly of the discharge chute and adjustably supported on the secondary frame through spring balanced bars in a sleeved bracket. Pivotally attached to the rear end of the discharge of the hopper is a screed member which is adjustable supported by the secondary frame.
  • a further disadvantage of the known apparatus is the unsufficient compacting of the paving material for a predetermined depth even if the vibration mechanism or alternatively the weight roller is in use which is subject to broken pavements when loaded later on. Also the adjusting of the secondary frame causes a long manipulating time required with these hand actuated devices.
  • a paving machine comprising a body which includes a hopper for storing material to be laid and an outlet for discharging it and which is supported by wheels at the front end and by a rotatable roller at the rear end of the machine.
  • a screed plate is positioned between the roller and the wheels to form a layer thickness of the material.
  • the wheels, the roller and the screed plate are vertically adjustable by means of rams interposed between the body of the machine and the supports and the screed plates, respectively.
  • the spreading method of this known machine provides that the rams of the roller are controlled for adjusting the height of the rear end of the machine in accordance with the packing factor of the paving material. Otherwise it would not be possible to guarantee an even surface. Depending on the packing factor, the rear end sinks more or less. However, because the material cannot be added after the screed plate and because there are no means responsive to the variation of the packing factor, the machine does not operate so that evenness of the surface can be reached.
  • the subject of the invention is therefore to provide an improved vehicle which easily enables the laying of a deposited layer with varying thickness and simultaneously forming the paving material with high compactness and which vehicle is also suitable for dry concrete technique.
  • the problem is solved essentially by the characterizing part of claim 1.
  • the device according to the invention enables the laying of a deposited layer of varying thickness without the necessity of supplying leveling tracks or like members.
  • the roller means height adjustable relative to the body of the vehicle, and by supporting the weight of the rear end of the vehicle substantially entirely on the roller means, the depth of the paving material is automatically modified, since the material deposited from the hopper will be a function of the height of the rear end of the vehicle.
  • the height of the spreader blade, and thus the layer thickness is pre-adjusted.
  • the fine adjustment of the layer thickness is effected by adjusting the vertical position of the rear end of the machine.
  • the leading and rear ends of the machine enables proper operation of the surface finalizing means, i. e. vibrating roller means and drum roller means.
  • the drum roller means adjacent the rear end of the body and the vibrating roller means disposed in the leading position relative to the drum roller means lead to a very strong compaction of the discharge material.
  • the inclinations of the road surface can be attached by this height adjustment, e.g. with different adjustments at each side of the machine.
  • a prefered embodiment of the invention is characterized in that a drag means is disposed in a trailing position relative to said drum roller means whereby final surface finish is effected.
  • the invention is further directed to the vehicle disclosed when used for constructing roads, by the dry concrete technique.
  • the dry concrete technique wherein practically no water is mixed with the concrete, the amount of cement required for a desired concrete strength can be reduced compared to concrete traditionally used for road construction. It has been found that the dry concrete method is about 22-25% more favourable, particularly by virtue of its low water cement ratio. Thus, the consistence of stock to be spread will be 36 Vb° or even tougher.
  • Fig. 1 illustrates a machine intended for the production, spreading and packing of dry concrete, comprising a body designated by reference numeral 1, whose leading end is supported by roller wheels 2 fitted with caterpillar tracks and rear section is supported by a drum roller 3 and a vibrating roller 16. Roller wheels 2, drum roller 3 and vibrating roller 16 are mounted on body 1 by means of hydraulic cylinder means 4, 5, 23.
  • piston-cylinder units 4, 5, 23 it is possible to adjust the height and position of body 1 relative to the ground and/or to hold the body on a desired level by controlling the operation of piston-cylinder units 4, 5, 23 by means of a water level instrument 24 and a scale of height 25.
  • a bin 6 for aggregate to be unloaded from a preceding truck.
  • the rear section of bin 6 is fitted with a discharge silo 8 whose bottom end is provided with an outlet 9 crosswise of the machine.
  • the bottom of aggregate bin 6 is provided by a conveyor belt 10 for delivering aggregate 7 into said discharge silo 8.
  • binder tank 11 which is replenished with binder through a pipe 26 supplied from a tank truck travelling alongside the machine.
  • the bottom section of binder tank 11 is fitted with a metering screw 27 and a shut-off valve 28 for controlling the amount of binder 12 delivered into said discharge silo 8.
  • an up-and- down adjustable sluice gate 19 is provided for controlling the mass flow rate of aggregate delivered into the discharge silo 8, said mass flow rate being controllable both by means of sluice gate 19 and by varying the velocity of conveyor belt 10.
  • the amount of aggregate 7 arriving in discharge silo 8 is monitored by means of a mechanical device 29 which measures the build-up of aggregate on said conveyor belt 10 and is connected to an electronic measuring means 30.
  • an electronic measuring means 30 For measuring the amount of aggregate the end of conveyor belt 10 is further provided with weighing sensors 32.
  • a laser measuring device 31 is used instead of a mechanical measuring device 29.
  • the elements 29,31,32 for measuring the mass flow rate of aggregate 7 control the operation of the metering screw 27 and shut-off valve 28 of binder 12 in a manner that said binder 12 to be delivered into discharge silo 8 is in a desired proportion to the supplied aggregate 7.
  • the continuously delivered aggregate 7 and binder 12 find their way into a mixer 18 in the discharge silo 8, said aggregate 7 and binder 12 mixing in discharge silo 8 while at the same time the spreading of mixed dry concrete stock 14 proceeds through the open bottom 9 of silo 8.
  • a secondary mixer means 13 extending crosswise of the machine and being rotatable around a horizontal axis.
  • the build-up of casting stock 14 discharging through the outlet 9 of said silo 8 is determined by an adjustable spreader blade 15 moving along with body 1. Behind said spreader blade 15 is mounted a casting stock packing vibrating roller 16, followed by a static roller, a drum roller 3 for final compaction. The final surface finish is effected by means of a drag means 17.
  • a machine of the invention is provided with two independently operated drive motors (not shown), one being adapted to operate the equipment working in synchronism with the machine travelling speed and the other to operate the equipment substantially independent of the travelling speed.
  • the former motor provides power e.g. for manoeuvering the machine, operating said gate 19 and for movements of conveyor belt 10 and metering screw 27.
  • the latter motor handles the vertical adjustment of body 1, compaction by means of vibrating roller 16, operation of drag means 17 as well as mixer 18.
  • drum roller 20 connected to a hardening liquid reservoir 19.
  • a rubber-coated drum roller 20 is moistened with hardening liquid 21 by means of a filter 33, excessive wetting of drum roller 20 being avoided by means of sealing rubber skirts 34, fitted around filter 33 and leaning against drum roller 20.
  • the hardening liquid reservoir 19, drum roller 20 for spreading the hardening liquid, and drag means 17 are combined into an integral unit that can 8 8 lifted and lowered relative to machine body 1.
  • the drag means 17 comprises two or more drag planks 22 in relative synchronized grinding motion, the compression load of drag planks on casting surface being controllable by means of hydraulic piston-cylinder units 35.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Claims (3)

1. Fahrzeug zur Herstellung, Verteilung und Verdichtung von Zuschlagstoffen und Bindemittel aufweisendem Pflasterungsmaterial, mit einem Fahrgestell (1), vorderen Auflagemitteln (2) am vorderen Ende des Fahrgestelles (1) einer Zuschlagstoffspeichereinrichtung (6) auf dem Fahrgestell (1) benachbart dem vorderen Ende, einem vertikal angeordneten Entladebehälter (8) an dem hinteren Bereich der Speichereinrichtung (6), wobei das untere Ende des Entladebehälters (8) eine nach unten geöffnete, horizontal angeordnete, querverlaufende Ablaßöffnung (9) aufweist, eine Einrichtung (10) zur Zuführung einer dosierten Menge an Zuschlagstoffen von der Speichereinrichtung (6)" zu einem Mischbereich benachbart dem oberen Ende des Behälters (8), einem Bindemitteltank (11) auf dem Fahrgestell (1), eine Einrichtung (27, 28) zur Zuführung einer dosierten Menge an Bindemittel vom Tank (11) zum Mischbereich, einer Einrichtung (18, 13) zum Mischen von Bindemittel und Zuschlagstoffen im Mischbereich, einer Verteilerblatteinrichtung (15) in einer nachhängenden Anordnung relativ zur Ablaßöffnung (9), Mitteln zur Einstellung der vertikalen Position der Blatteinrichtung (15), und eine Einrichtung zur Fortbewegung des Fahrzeugs entlang der zu pflasternden Oberfläche, gekennzeichnet durch die Kombination
-einer Drehmischeinrichtung (18, 13) im Entladebehälter (8), wobei das Gewicht des Pflasterungsmaterials im wesentlichen auf der zu pflasternden Oberfläche durch einen geöffneten Boden des Behälters aufliegt;
-einer ersten hydraulischen Kolben-Zylinder-Einrichtung (4) zwischen dem Fahrgestell (1) und den vorderen Auflagemitteln (2) zur Einstellung der vertikalen Position des vorderen Endes des Fahrgestells (1), wodurch gleichzeitig die vertikale Position der Verteilerblatteinrichtung (15) verstellt wird;
-einer Trommelwalzeneinrichtung (3) benachbart dem hinteren Ende des Fahrgetells (1);
-einer Rüttelwalzeneinrichtung (16), die in einer vorderen Position relativ zur Trommelwalzeneinrichtung (3) angeordnet ist;
-einer zweiten hydraulischen Kolben-Zylinder-Einrichtung (5), die zwischen Fahrgestell (1) und Trommelwalzeneinrichtung (3) zur Einstellung der vertikalen Position des hinteren Endes des Fahrgestells (1) relativ zur zu pflasternden Oberfläche geschaltet ist; und
-einer dritten hydraulischen Kolben-Zylinder-Einrichtung (23), die zwischen Fahrgestell (1) und Vibrationswalzeneinrichtung (16) zur Einstellung der vertikalen Position des hinteren Endes des Fahrgestells (1) relativ zur zu pflasternden Oberfläche in Verbindung mit der zweiten hydraulischen Kolben-Zylinder-Einrichtung (5) geschaltet ist.
2. Fahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß eine Zieheinrichtung (17) in nachhängender Position relativ zur Trommelwalzeneinrichtung (3) angeordnet ist.
3. Fahrzeug nach Anspruch 1 oder 2, gekennzeichnet durch die Anwendung für den Straßenbau in Trockenbetontechnik.
EP85905825A 1984-11-14 1985-11-14 MASCHINE FÜR PRODUKTION, VERTEILUNG UND VERDICHTUNG VON TROCKENBETON, INSBESONDERE FüR DEN STRASSENBAU Expired - Lifetime EP0201577B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85905825T ATE50011T1 (de) 1984-11-14 1985-11-14 Maschine fuer produktion, verteilung und verdichtung von trockenbeton, insbesondere fuer den strassenbau.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI844463A FI79582C (fi) 1984-11-14 1984-11-14 Foerfarande samt maskin foer framstaellning, utbredning och packning av en av blandning av bindemedel och stenmaterial bestaoende massa.
FI844463 1984-11-14

Publications (2)

Publication Number Publication Date
EP0201577A1 EP0201577A1 (de) 1986-11-20
EP0201577B1 true EP0201577B1 (de) 1990-01-31

Family

ID=8519890

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EP85905825A Expired - Lifetime EP0201577B1 (de) 1984-11-14 1985-11-14 MASCHINE FÜR PRODUKTION, VERTEILUNG UND VERDICHTUNG VON TROCKENBETON, INSBESONDERE FüR DEN STRASSENBAU

Country Status (4)

Country Link
EP (1) EP0201577B1 (de)
DE (1) DE3575751D1 (de)
FI (1) FI79582C (de)
WO (1) WO1986002963A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138076A1 (de) * 1990-11-19 1992-07-02 Caterpillar Mitsubishi Ltd Vorrichtung zum steuern einer vorderradantriebskraft bei einem allradantriebs-asphaltfertiger

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585346B1 (fr) * 1985-07-26 1987-10-16 Pechiney Aluminium Procede de preparation de fluosilicate de calcium comme matiere premiere pour l'obtention de fluorure de calcium et d'acide fluosilicique pur
US5015120A (en) * 1987-08-25 1991-05-14 Barber-Greene Company Methods and apparatus for making an asphalt-aggregate pavement
IT8947534A0 (it) * 1989-01-13 1989-01-13 Todini Costruzioni Generali S Macchinario a pluricomponenti semovente per confezionamento in sito e stesa di conglomerato bituminoso a freddo
WO1990008854A1 (en) * 1989-01-31 1990-08-09 Leonard Ralph Koppen Material laying apparatus
US5044819A (en) * 1990-02-12 1991-09-03 Scanroad, Inc. Monitored paving system
US5348418A (en) * 1992-05-05 1994-09-20 Astec Industries, Inc. Asphalt finishing screed having rotary compactor
ES2340453B1 (es) * 2007-09-27 2011-04-28 Ricardo Alvarez Escuadra Maquina para ensanchar carreteras.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR42063E (fr) * 1932-04-22 1933-05-19 Procédé de fabrication d'un matériau compact et résistant à l'aide de grains soudés entre eux
GB676022A (en) * 1949-10-27 1952-07-23 Donald Biscoe Haigh Improvements relating to road surfacing equipment
DE1904783A1 (de) * 1969-01-31 1970-08-27 Kaelble Gmbh C Kombinations-Tandemwalze
US4231678A (en) * 1977-05-17 1980-11-04 Integrated Technology Limited Paving machines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201493A (en) * 1937-09-04 1940-05-21 Viber Company Apparatus for road building
US3678817A (en) * 1969-01-27 1972-07-25 Barber Gaeine Co Material control system for a finishing machine
FI57157C (fi) * 1975-07-08 1980-06-10 Pirkkalan Rakenne Ja Vuokrakon Maskin foer ytbelaeggning av vaegar
FR2550248B1 (fr) * 1983-07-13 1986-02-21 Ermont Dispositif mobile pour l'elaboration a froid et l'epandage sur le chantier de produits enrobes bitumineux pour revetements routiers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR42063E (fr) * 1932-04-22 1933-05-19 Procédé de fabrication d'un matériau compact et résistant à l'aide de grains soudés entre eux
GB676022A (en) * 1949-10-27 1952-07-23 Donald Biscoe Haigh Improvements relating to road surfacing equipment
DE1904783A1 (de) * 1969-01-31 1970-08-27 Kaelble Gmbh C Kombinations-Tandemwalze
US4231678A (en) * 1977-05-17 1980-11-04 Integrated Technology Limited Paving machines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Strassen- und Tiefbau, Vol. 36(1982), 6, pages 35, 36, 39, 40 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138076A1 (de) * 1990-11-19 1992-07-02 Caterpillar Mitsubishi Ltd Vorrichtung zum steuern einer vorderradantriebskraft bei einem allradantriebs-asphaltfertiger
DE4138076C2 (de) * 1990-11-19 1998-01-29 Caterpillar Mitsubishi Ltd Allradantrieb-Asphaltfertiger

Also Published As

Publication number Publication date
FI79582B (fi) 1989-09-29
DE3575751D1 (de) 1990-03-08
FI79582C (fi) 1990-01-10
FI844463A0 (fi) 1984-11-14
WO1986002963A1 (en) 1986-05-22
FI844463L (fi) 1986-05-15
EP0201577A1 (de) 1986-11-20

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