EP0201577A1 - Machine pour la production, l'epandage et le compactage de beton sec notamment pour la construction de routes. - Google Patents

Machine pour la production, l'epandage et le compactage de beton sec notamment pour la construction de routes.

Info

Publication number
EP0201577A1
EP0201577A1 EP85905825A EP85905825A EP0201577A1 EP 0201577 A1 EP0201577 A1 EP 0201577A1 EP 85905825 A EP85905825 A EP 85905825A EP 85905825 A EP85905825 A EP 85905825A EP 0201577 A1 EP0201577 A1 EP 0201577A1
Authority
EP
European Patent Office
Prior art keywords
machine
silo
aggregate
spreading
binder
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
EP85905825A
Other languages
German (de)
English (en)
Other versions
EP0201577B1 (fr
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
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT85905825T priority Critical patent/ATE50011T1/de
Publication of EP0201577A1 publication Critical patent/EP0201577A1/fr
Application granted granted Critical
Publication of EP0201577B1 publication Critical patent/EP0201577B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/46—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

  • Dry concrete spreading and packing method especially for road construction as well as machine for the pro ⁇ duction, spreading and packing, of earth and..dry con ⁇ crete.
  • the present invention relates to a dry concrete spread ⁇ ing and packing method especially for road construction.
  • the earth concrete used for road construction has been traditionally prepared at temporary concrete stations built around aggregate supplies. This has caused trouble in getting stabilization work smoothly and rapidly underway. Further, the water-cement ratio has been unfavourable in thus produced concrete, one con ⁇ sequence being that the amount of cement had to be ex ⁇ cessively high to reach desired concrete strength.
  • Dry concrete technique has been earlier applied pri ⁇ marily for producing pipes, well, rings, and walkway tiles. It has not. been possible, to. apply dry concrete technique to road construction - despite the consider ⁇ able advantages offered thereby - since proper machines have not been available, nor has been applied to stabilizing since compaction cannot be carried out with a conventional vibrating roller. Neither has dry concrete been capable of reaching, standardized strength and durability or air porosity content.
  • a dry concrete spreading and packing method of the in ⁇ vention is suitable for road construction and character ⁇ ized in that the casting is effected in a continuous operation from a moving vehicle wherein aggregate is being continuously supplied into an open-bottom dis ⁇ charge silo, that the supplied aggregate mass flow rate is monitored and / depending thereupon, a binder is continuously fed into- the same discharge silo, that aggregate and binder are mixed in the discharge silo while spreading of the mixed dry concrete stock is effected through the open bottom of said. silo, and that the spread stock is packed in a conventional manner by means of packing elements mounted on the spreading vehicle.
  • the invention is further directed to a machine for pro ⁇ ducing, spreading and packing earth and dry concrete, said machine comprising a body whose leading end is supported by wheels or rollers fitted with caterpillar tracks and whose trailing section is supported by at least one drum roller, the bearing wheels and drum roller being mounted on the body by means of hydraulic piston-cylinder units for adjusting the height and position of the body relative to the ground and/or for holding the body on a desired level by controlling the operation of piston-cylinder units by means of position sensors, said machine further comprising a bin at the machine leading end for aggregate and a'discharge silo at the rear end of said silo, the bottom end of said discharge silo being provided, with an outlet crosswise of the machine, a conveyor belt acting as the aggregate bin bottom delivering the aggregate into said discharge silo, whereby the machine top sect ⁇ ion is further fitted with a binder tank provided with means for delivering binder, into said discharge silo, above the outlet of said discharge silo is mounted a feed screw extending crosswise
  • a machine of the invention is characterized in that for carrying out the casting continuously from a moving vehicle, said machine comprises means for monitoring the mass flow rate of aggregate to be delivered into a discharge > silo, means for feeding a binder continuously, depending on the aggregate mass flow rate, into the same silo and means for mixing aggregate and binder contin ⁇ uously in said discharge silo.
  • fig. 1 shows a machine of the invention for the product ⁇ ion, spreading and packing of dry concrete.
  • Fig . 2 is a further developed embodiment of a drag means mounted on a machine of the invention for finish ⁇ ing the. surface. outlet crosswise of the machine, a conveyor belt acting as the aggregate bin bottom delivering the aggregate into said discharge silo, whereby the machine top sect ⁇ ion is further fitted with a binder tank provided with means for delivering binder into said discharge silo, above the outlet of said discharge silo is mounted a feed screw extending crosswise of the machine and r ⁇ tatable around a horizontal axis for levelling a required quantity of stock in the discharge silo, said machine further comprising an adjustable spreader blade for determining the build-up of the casting stock coming out of the outlet of said discharge silo, said blade being movable with the body, a vibrating roller for packing the casting stock mounted behind said spreader blade and finally a drum roller and a drag means for finishing the cast surface.
  • a machine of the invention is characterized in that for carrying out the casting continuously from a moving vehicle, said machine comprises means for monitoring the mass flow rate of aggregate to be delivered into a discharge . silo, means for feeding a binder continuously, depending on the aggregate mass flow rate, into the same silo and means for mixing aggregate and binder contin ⁇ uously in said discharge silo.
  • fig. 1 shows a machine of the invention for the product ⁇ ion, spreading and packing of dry concrete.
  • Fig. 2 is a further developed embodiment of a drag means mounted on a machine of the invention for finish ⁇ ing the. surface.
  • Fig. 1 illustrates a machine intended for the product ⁇ ion, spreading and packing of dry concrete, comprising a body designated by ref rence numeral 1 , whose leading end is supported by roller wheels 2 fitted with cater ⁇ pillar 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 1£ 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 adjust ⁇ able sluice gate 19 is provided for controlling the mass flow rate of aggregate delivered into the dis- charge 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 connect ⁇ ed 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 continuosly 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 adjust ⁇ able spreader blade .15 moving along with body 1.
  • Be ⁇ hind 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 in ⁇ dependently 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 maneuvring 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 hard ⁇ ening 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 10 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 be 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 compress ⁇ ion load of drag planks on casting, surface being con ⁇ trollable by means of hydraulic piston-cylinder units 36.
  • the invention has only been specified above by describ ⁇ ing one preferred embodiment thereof. However, the invention is by no means limited to this embodiment but a plurality of modifications are conceivable within the inventive idea defined in the annexed claims.

Landscapes

  • 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)

Abstract

Le coulage s'effectue en continu depuis un véhicule en mouvement, dans lequel l'aggloméré (7) est débité en continu dans un silo de déchargement à fond ouvert (8); le débit massique de l'aggloméré débité (7) est contrôlé, et en fonction du résultat, le liant (12) est introduit en continu dans ledit silo (8) où l'aggloméré (7) et le liant sont mélangés, l'épandage de la charge de béton sec mélangé (14) s'effectuant par le fond ouvert (9) du silo (8). La charge épandue (14) est compactée d'une manière connue en soi au moyen d'organes de compactage (3, 16, 17) montés sur le véhicule d'épandage.
EP85905825A 1984-11-14 1985-11-14 Machine pour la production, l'epandage et le compactage de beton sec notamment pour la construction de routes Expired - Lifetime EP0201577B1 (fr)

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 true EP0201577A1 (fr) 1986-11-20
EP0201577B1 EP0201577B1 (fr) 1990-01-31

Family

ID=8519890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85905825A Expired - Lifetime EP0201577B1 (fr) 1984-11-14 1985-11-14 Machine pour la production, l'epandage et le compactage de beton sec notamment pour la construction de routes

Country Status (4)

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

Families Citing this family (9)

* 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 (fr) * 1989-01-31 1990-08-09 Leonard Ralph Koppen Appareil de revetement
US5044819A (en) * 1990-02-12 1991-09-03 Scanroad, Inc. Monitored paving system
JPH0732573Y2 (ja) * 1990-11-19 1995-07-26 新キャタピラー三菱株式会社 四輪駆動アスファルトフィニッシャにおける前輪駆動力制御装置
US5348418A (en) * 1992-05-05 1994-09-20 Astec Industries, Inc. Asphalt finishing screed having rotary compactor
RU2164974C2 (ru) * 1999-06-21 2001-04-10 Сибирская государственная автомобильно-дорожная академия (СибАДИ) Асфальтоукладчик
ES2340453B1 (es) * 2007-09-27 2011-04-28 Ricardo Alvarez Escuadra Maquina para ensanchar carreteras.

Family Cites Families (8)

* 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
US2201493A (en) * 1937-09-04 1940-05-21 Viber Company Apparatus for road building
GB676022A (en) * 1949-10-27 1952-07-23 Donald Biscoe Haigh Improvements relating to road surfacing equipment
US3678817A (en) * 1969-01-27 1972-07-25 Barber Gaeine Co Material control system for a finishing machine
DE1904783A1 (de) * 1969-01-31 1970-08-27 Kaelble Gmbh C Kombinations-Tandemwalze
FI57157C (fi) * 1975-07-08 1980-06-10 Pirkkalan Rakenne Ja Vuokrakon Maskin foer ytbelaeggning av vaegar
AU3604878A (en) * 1977-05-17 1979-11-15 Integrated Tech Ltd Paving machines
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8602963A1 *

Also Published As

Publication number Publication date
FI79582C (fi) 1990-01-10
FI844463A0 (fi) 1984-11-14
FI844463L (fi) 1986-05-15
EP0201577B1 (fr) 1990-01-31
DE3575751D1 (de) 1990-03-08
FI79582B (fi) 1989-09-29
WO1986002963A1 (fr) 1986-05-22

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