EP0675232B1 - Apparatus for the treatment and consolidation of soil - Google Patents

Apparatus for the treatment and consolidation of soil Download PDF

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Publication number
EP0675232B1
EP0675232B1 EP95104077A EP95104077A EP0675232B1 EP 0675232 B1 EP0675232 B1 EP 0675232B1 EP 95104077 A EP95104077 A EP 95104077A EP 95104077 A EP95104077 A EP 95104077A EP 0675232 B1 EP0675232 B1 EP 0675232B1
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EP
European Patent Office
Prior art keywords
mixer
soil
conveyor belt
feed table
opens
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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
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EP95104077A
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German (de)
French (fr)
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EP0675232A1 (en
Inventor
Walter Schölkopf
Jürgen Posch
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POSCH, JUERGEN
SCHOELKOPF, WALTER
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Individual
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Publication of EP0675232A1 publication Critical patent/EP0675232A1/en
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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
    • E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder

Definitions

  • the invention relates to a device for processing excavated soil to a stable construction material.
  • FR-A-2 536 771 describes a device for processing from excavated soil to stable construction material with the addition of a powdered binder.
  • This device includes a loading table for the excavated Soil and a conveyor belt leading to a drop.
  • a dosing device for the added material provided which in the area of a working gap the conditioning device opens.
  • the invention has for its object a device specify with which a excavated, unsustainable floor be worked up to a stable building material can.
  • the excavated soil is in the feed table by one Conditioner prepared, it with a required amount of lime, cement, clay powder or the like mixed into a stable construction material becomes.
  • the material to be added is in the area of the conditioning device fed.
  • the conveyor belt does that conditioned soil in a mixer, taking before Mixer a weighing device for that over the conveyor belt advanced conditioned soil is provided, so that the supplied via the second metering device Amount of material added depending on the output signal the weighing device can be regulated.
  • the device is an advantageous development of the invention arranged on a chassis, so that at any time the necessary preparation of the excavation into one on site stable building material can be made.
  • This mobile unit may be stationary due to its closed removable design also for smaller projects and also in built-up areas.
  • the device can also provided as a permanently installed unit in an intermediate storage facility to which the excavated earth is to be processed Considered reasonably short access routes worked up can be.
  • the device 1 shown consists of a chassis 15 with a frame 40, which in the exemplary embodiments shown is arranged on a chassis 25.
  • the undercarriage 25 is a crawler chassis, as is usually the case with construction machines Is used. It can be useful instead of caterpillars To provide 24 wheels, in particular balloon tires or the like. The arrangement of runners can also be advantageous if one only limited mobility is necessary.
  • the chassis 15 has a longitudinal central axis 30, wherein arranged caterpillars 24 of the chassis 25, wheels or runners are aligned parallel to the longitudinal central axis 30.
  • a longitudinal end 35 hereinafter referred to as the rear end is a preferably about the width of the Chassis 15 extending feed table 2 is provided.
  • the Task table 2 extends over part of the length of the Chassis 15 and can at the rear end 35 by means of a floor support 27 (Fig. 2) can be supported.
  • the feed table 2 serves the excavation of excavated soil, which for example filled via the bucket 28 of a wheel loader, excavator or the like becomes.
  • a mixer 3 is arranged at the other longitudinal end 45 of the chassis 15, which is hereinafter referred to as the front end.
  • the mixer 3 is provided as a continuous mixer, which in Direction of the longitudinal central axis 30 of the chassis 15 aligned lies, preferably above the longitudinal central axis 30
  • Mixer 3 is in particular a continuous shaft mixer and preferably has two mutually parallel Mixing rotors 3a, 3b (Fig. 4), which expediently in opposite directions are driven. In the coverage area they have Mixing rotors 3a, 3b same direction of rotation.
  • the mixer 3 has a chassis 25 or the floor 29 facing outlet opening 13, which preferably on Discharge belt 14 opens.
  • the discharge belt 14 leads from the outlet opening 13 ascending to a desired one Discharge height H for the prepared building material To reach soil, for. B.
  • Discharge belt 14 can be adjustable in height; it is preferred by a particular extendable piston / cylinder unit 41 on the Frame 40 held, the frame 40 is a housing on the Chassis 15 forms (Fig. 4).
  • a conveyor belt 4 leads from the feed table 2 to one Filling opening 19 of the mixer 3, which in the longitudinal direction of the Continuous mixer at the outlet opening 13 opposite End is arranged.
  • the continuous mixer 3 as well of the receiving trough 2 are approximately at a height, the Conveyor belt 4 rising from the receiving trough 2 to the upper one Filling opening 19 of the mixer 3 leads.
  • a drive unit 16 arranged, which both the individual facilities as also drives the chassis 25, so that the device 1 also can be used as a self-drive.
  • the drive unit 16 can be an electric motor or an internal combustion engine be, especially a diesel engine, which is a hydraulic Pump or a generator drives.
  • the single ones Units of the device are then hydraulically or electrically powered motors.
  • the frame 40 is approximately in the area of the undercarriage 25 parallel longitudinal beams one or more storage silos 21, 22 arranged for addition material.
  • Storage silos 21a, 21b, 22a, 22b, 22c, 22d are provided, the continuous mixer 3 or the feed table 2 assigned.
  • FIG. 4 there are two storage silos 22a and 22b are provided, which together in a metering device 17th open, which leads into the filling opening 19. It can be convenient be that the metering device 17 the aggregate on the discards the upper end of the conveyor belt 4 or immediately suitable location (Fig. 5) in the continuous mixer 3.
  • the conveyor belt 4 leads from the feed table 2 soil Transport direction 20 after it is in a conditioning device 5 was prepared.
  • the conditioning device 5 is formed in the exemplary embodiment from a rotor 50, which is the coarse lumpy material that has been poured onto the feed table 2 Soil crushed and conditioned in such a way that it is suitable for any necessary further processing in the Continuous mixer 3 is suitable.
  • the rotor or the rotors are preferably interchangeable.
  • a rotor 50 can act as a milling rotor or also formed as a rotor with beating arms or the like his.
  • One or more waves can also be in the feed table 2
  • Interchangeable conditioning devices having 50a, 50b 5 'for crushing and mixing the processed material Excavations can be arranged.
  • the milling rotor preferably works 5 together with a height-adjustable blow bar 10, whereby a working gap between the rotor 50 and the blow bar 10 11 is formed (Fig. 2, 7), the gap width to adjust the level of conditioning or desired grain size of the processed soil is changeable.
  • the exchangeable milling rotor preferably rotates 50 in the direction of arrow 48, that is in the sense of a Raising the supplied soil
  • the feed table 2 has the design 7 falling towards the milling rotor 50 Bottom 55 with a slide 56, which by a Piston / cylinder unit 57 can be moved back and forth according to arrow 58 is.
  • the soil thrown onto the feed table 2 becomes so from the slide 56 with an adjustable feed to the milling rotor 50 fed, which rotates in the direction of arrow 48 and that supplied soil rises and in the circumferential direction upwards takes along.
  • the soil is grasped in this way and in interaction with a in the direction of rotation 48 above the bottom 55 of the Refurbished beater bar 10 arranged, especially crushed or crumbled.
  • the blow bar 10 can through the front edge of the milling rotor 50 a partial circumference surrounding adjustable hood 60 is formed be an adjustable working gap 11 between the hood and rotor determined.
  • the width and length of the working gap 11 and the feed speed the slide 56 results in a adjustable conditioning quality of the soil, which the can be adapted to specific circumstances.
  • additives such as lime, Cement, clay flour or the like.
  • the addition into the working gap has proven to be expedient 11 proved there advantageously in the direction of rotation 48 of the Rotor 50 just behind the one forming a blow bar 10 front edge of the hood 60.
  • In the embodiment according to 7 opens the metering device 7 in the area of the blow bar 10 in the working gap 11.
  • the one that passes through the working gap 11 into the floor area 44 conditioned soil falling on the conveyor belt 4 can be set appropriately in the amount deducted by an aperture 9 be (Fig. 2).
  • an aperture slide 18 provided by a hydraulic piston / cylinder unit 49 is adjustable in the direction of the double arrow 47.
  • the passage opening 12 of the diaphragm 9 that can be adjusted thereby determines the volume flow of the conveyor belt 4 from the Soil area 44 deducted conditioned soil.
  • This soil is discharged into the continuous mixer 3 from a weighing device 6 detected by weight in order to depend from the output signal of the weighing device 6 the amount of added material supplied via the metering device 17 especially automatically set.
  • the weighing device 6 is expediently integrated in the conveyor belt 4.
  • the moisture content is preferably also measured of the conditioned soil, for which purpose in the bottom area 44 z. B.
  • a sensor 46 can be arranged in front of the aperture 9. Appropriately the moisture measurement is carried out shortly before the conditioned is released Soil in the mixer 3, as shown schematically is shown in Figure 1.
  • the moisture measurement can e.g. B. by means of microwaves in the range of 5-6 gigahertz, for which purpose a corresponding measuring device 70 is arranged.
  • the Output signal of the sensor 46 or the measuring device 70 can together with the output signal of the weighing device 6 one Control unit 80 (Fig. 1), which is the metering device 17 controls to one of the moisture and the Adjusted mass of the material fed from the conveyor belt 4 To achieve addition of the addition material.
  • the control unit can designed as a potentiometer control or a PC control his.
  • the slide 8 of the Task table 2 also a transverse to the longitudinal direction 30 rear wall of a receiving trough, which over a Piston / cylinder unit 38 can be moved onto the milling rotor 50 is.
  • the soil in the receiving trough becomes like this transported positively into the effective range of the milling rotor 50.
  • the addition material is a moisture extractant from the soil Material, which includes cement, lime, fly ash, Clay powder, bentonite or the like. You can use the Dosing device 7 and also via the dosing device 17 same or different material supplied become; are preferred over the metering devices 7 and 17 lime fed. Mixtures can also be dosed as an addition become; 1 shows - all silos 21a, 21b, 22a - d equipped with separately controllable dosing screws, whereby a quantized volume control, e.g. B. about the Control 80, is possible.
  • a quantized volume control e.g. B. about the Control 80
  • a water addition 23 is provided in order to be able to process dry soil.
  • the addition of water can Dependence of the moisture measurement on the controller 80 regulated by an electromagnetic switchable valve 81 his. So that can be used for conditioning and later Mix with the necessary moisture be guaranteed.
  • this is in the receiving trough dropped soil from the movable wall 8 in the Working area of the conditioning device 5 transported and by the milling rotor 50 in connection with the blow bar 10 processed.
  • the lime addition preferably in the transport direction 20 of the soil in front of the working gap 11, that is to say in front of the conditioning device 5 is done.
  • the soil passing through the working gap 11 falls in the bottom area 44 onto the conveyor belt 4 and becomes subtracted in the direction of transport 20, the volume flow the aperture 9 is adjustable via the passage opening 12.
  • the weight of the volume flow is preferred in the Conveyor belt 4 integrated weighing device 6 before dropping in the continuous mixer 3 is detected and in accordance with the output signal the weighing device 6 via the metering device 17 corresponding portions of addition material from the storage silos 22 fed.
  • the mixture becomes intimate mixed, resulting in a dry, stable paving material results, which for the filling of work spaces in Earthworks, e.g. B. of trenches, sewer trenches and Like. Is usable.
  • the storage silos 21, 22 can only a certain Guarantee the operating time of the device. It is therefore envisaged during the continuous operation of the Apparatus for adding material from a large silo 42 (Fig. 6) permanently feed into the silos. For the change of a large silo vehicle 42 is in the storage silos 21, 22 stored volume sufficient so that a change of Vehicle without interrupting work of the device can. Swap silos can also be useful, the one manipulator 91 (crane) attached to the device are handled (Fig. 1).
  • the 5 has two essentially the same large storage silos 21, 22, the storage silo 21 both the first metering device 7 and the second metering device 17 feeds.
  • the second storage silo 22 feeds exclusively the second metering device 17.
  • This metering device 17 opens in the transport direction 20 of the soil after the filling opening 19 in the continuous mixer. This can be advantageous so that one occurring due to the addition of lime Annoyance caused by lime dust and the like is avoided.
  • the conditioning device 5 'shown in Fig. 5 in the receiving trough consists of two rotors 50a, 50b, which are used for conditioning of the earth work together.
  • the conditioned Soil falls through a in the bottom of the receiving trough 2 provided grid, the grid openings the desired Condition degree of the soil chosen adjusted are.
  • the milling rotors are located in the exemplary embodiments shown 50 transverse to the longitudinal central axis 30 of the device 1.

Abstract

The system comprises a dumper truck (2) for removal of the earth which has a conveyor (4) leading from it to a mixer (3). In front of the conveyor is provided a conditioning device (5) for the earth and is situated in the dumper truck. The conditioning device comprises a reduction device (7) positioned at its inlet for reducing the loaded earth. A rocking device (6) is included within the conveyor and is situated directly before the mixer. <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zur Aufbereitung von ausgehobenem Erdreich zu einem standfesten Baumaterial.The invention relates to a device for processing excavated soil to a stable construction material.

Es ist bekannt, daß bei der Erstellung von Fahrbahnen der Unterbau aufbereitet werden muß, sofern die notwendige Tragfähigkeit des Bodens nicht gegeben ist. Hierzu wird auf die Bodenfläche eine vorgegebene Menge Kalk aufgebracht und anschließend der Kalk mittels Bodenfräsen oder dgl. Maschinen in die oberste Erdschicht eingearbeitet. Eine derartige dem Ackerbau ähnliche Bearbeitung des Bodens ist auf großen, freien Flächen zufriedenstellend, wenngleich es dennoch zu Beeinträchtigungen durch Kalkstaub und dgl. kommt, sofern entsprechend starker Wind den aufgelegten Kalk aufwirbelt oder an der Arbeitsstelle vorbeifahrender Verkehr zu entsprechenden Luftbewegungen führt.It is known that when building roadways, the substructure must be processed, provided the necessary load-bearing capacity of the soil is not given. This is done on the floor area a predetermined amount of lime is applied and then the lime using tillers or similar machines worked into the top layer of earth. Such a Cultivation-like cultivation of the soil is on large, free areas satisfactory, although it is still too Limitations caused by lime dust and the like, if correspondingly strong wind whirls up the lime or traffic passing by at the workplace Air movements.

Bei der Arbeitsraumverfüllung im Bereich des Kanalisationsbaus muß entsprechend tragfähiges Material verwendet werden. Ausgehobener, nicht tragfähiger Boden wird daher grundsätzlich abgefahren und die Arbeitsraumverfüllung durch andere Materialien wie Schotter, Kies oder dgl. vorgenommen.When filling the work area in the area of sewer construction Appropriate load-bearing material must be used. Excavated, unsustainable soil is therefore fundamentally departed and the work space filling by others Made of materials such as gravel, gravel or the like.

Abgesehen von dem erhöhten Transportaufwand führt das Abfahren des nicht tragfähigen Aushubs zu Endlagerproblemen, da die hierzu notwendigen Erddeponien immer rarer werden. Andererseits wird kostbares, standfestes Rohmaterial eingebaut, welches für höherwertige Einsätze verwendbar ist.Apart from the increased transport effort, the departure leads of unsustainable excavation to repository problems, because the landfills required for this are becoming increasingly rare. On the other hand precious, stable raw material is installed, which can be used for higher-value operations.

Die FR-A-2 536 771 beschreibt eine Vorrichtung zur Aufbereitung von ausgehobenem Erdreich zu einem standfesten Baumaterial unter Zugabe eines pulverisierten Bindemittels. Diese Vorrichtung umfaßt einen Aufgabetisch für das ausgehobene Erdreich sowie ein zu einem Abwurf führenden Transportband. Vor dem Transportband ist eine Konditioniereinrichtung für das Erdreich vorgesehen. Im Bereich der Konditioniereinrichtung ist eine Dosiereinrichtung für das Zugabematerial vorgesehen, welche im Bereich eines Arbeitsspaltes der Konditioniereinrichtung mündet.FR-A-2 536 771 describes a device for processing from excavated soil to stable construction material with the addition of a powdered binder. This device includes a loading table for the excavated Soil and a conveyor belt leading to a drop. There is a conditioning device in front of the conveyor belt intended for the ground. In the area of the conditioning device is a dosing device for the added material provided which in the area of a working gap the conditioning device opens.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung anzugeben, mit der ein ausgehobener, nicht tragfähiger Boden zu einem standfesten Baumaterial aufgearbeitet werden kann.The invention has for its object a device specify with which a excavated, unsustainable floor be worked up to a stable building material can.

Die Aufgabe wird erfindungsgemäß mit den Merkmalen des Anspruchs 1 gelöst.The object is achieved with the Features of claim 1 solved.

Das ausgehobene Erdreich wird im Aufgabetisch von einer Konditioniereinrichtung aufbereitet, wobei es mit einer erforderlichen Menge Kalk, Zement, Tonmehl oder dgl. Zugabematerial zu einem standfesten Baumaterial vermischt wird. Dabei wird das Zugabematerial im Bereich der Konditioniereinrichtung zugeführt. Das Transportband führt das konditionierte Erdreich in einen Mischer, wobei vor dem Mischer eine Wiegeeinrichtung für das über das Transportband herangeführte konditionierte Erdreich vorgesehen ist, so daß die über die zweite Dosiereinrichtung zugeführte Menge des Zugabematerials in Abhängigkeit vom Ausgangssignal der Wiegeeinrichtung geregelt sein kann. The excavated soil is in the feed table by one Conditioner prepared, it with a required amount of lime, cement, clay powder or the like mixed into a stable construction material becomes. The material to be added is in the area of the conditioning device fed. The conveyor belt does that conditioned soil in a mixer, taking before Mixer a weighing device for that over the conveyor belt advanced conditioned soil is provided, so that the supplied via the second metering device Amount of material added depending on the output signal the weighing device can be regulated.

In vorteilhafter Weiterbildung der Erfindung ist die Vorrichtung auf einem Fahrgestell angeordnet, so daß jederzeit vor Ort die notwendige Aufbereitung des Erdaushubs zu einem standfesten Baumaterial erfolgen kann. Diese fahrbare Einheit kann aufgrund ihrer geschlossenen stationär versetzbaren Bauart auch für kleinere Projekte und auch in bebauten Gebieten eingesetzt werden. Die Vorrichtung kann auch als fest montierte Einheit in einem Zwischenlager vorgesehen sein, zu dem der aufzuarbeitende Erdaushub unter Berücksichtiguhg vertretbar kurzer Zufahrtswege aufgearbeitet werden kann. The device is an advantageous development of the invention arranged on a chassis, so that at any time the necessary preparation of the excavation into one on site stable building material can be made. This mobile unit may be stationary due to its closed removable design also for smaller projects and also in built-up areas. The device can also provided as a permanently installed unit in an intermediate storage facility to which the excavated earth is to be processed Considered reasonably short access routes worked up can be.

Weitere Merkmale der Erfindung ergeben sich aus den weiteren Ansprüchen, der Beschreibung und der Zeichnung, in der nachfolgend im einzelnen beschriebene Ausführungsbeispiele der Erfindung dargestellt sind. Es zeigen:

Fig. 1
einen Funktionsplan einer erfindungsgemäßen Vorrichtung zur Aufbereitung von Erdreich zu einem standfesten Baumaterial,
Fig. 2
in schematischer Darstellung eine selbstfahrende Vorrichtung,
Fig. 3
eine Ansicht der Vorrichtung in Pfeilrichtung II in Fig. 2,
Fig. 4
einen Schnitt längs der Linie III - III in Fig. 2 bei demontiertem Abwurfband,
Fig. 5
in schematischer Darstellung eine Seitenansicht eines anderen Ausführungsbeispiels einer selbstfahrenden Vorrichtung zur Aufbereitung von Erdreich,
Fig. 6
eine Ansicht in Richtung des Pfeils V in Fig. 5,
Fig. 7
eine Ansicht einer konstruktiven Ausführung der erfindungsgemäßen Vorrichtung.
Further features of the invention result from the further claims, the description and the drawing, in which exemplary embodiments of the invention described in detail below are shown. Show it:
Fig. 1
1 shows a functional diagram of a device according to the invention for processing soil into a stable construction material,
Fig. 2
a schematic representation of a self-propelled device,
Fig. 3
2 shows a view of the device in the direction of arrow II in FIG. 2,
Fig. 4
3 shows a section along the line III-III in FIG. 2 with the discharge belt removed,
Fig. 5
a schematic representation of a side view of another embodiment of a self-propelled device for treating soil,
Fig. 6
5 shows a view in the direction of arrow V in FIG. 5,
Fig. 7
a view of a structural design of the device according to the invention.

Die in den Figuren gezeigten Vorrichtungen zur Aufbereitung von ausgehobenem Erdreich zu einem standfesten Baumaterial sind im Grundaufbau identisch. Für gleiche Teile sind gleiche Bezugszeichen verwendet.The processing devices shown in the figures from excavated soil to stable construction material are identical in the basic structure. For the same parts are the same Reference numerals used.

Die gezeigte Vorrichtung 1 besteht aus einem Chassis 15 mit einem Rahmen 40, welches in den gezeigten Ausführungsbeispielen auf einem Fahrwerk 25 angeordnet ist. Das Fahrwerk 25 ist ein Raupenfahrwerk, wie es üblicherweise bei Baumaschinen Verwendung findet. Es kann zweckmäßig sein, anstelle von Raupen 24 Räder, insbesondere Ballonreifen oder dgl. vorzusehen. Auch kann die Anordnung von Kufen vorteilhaft sein, wenn eine nur bedingte Beweglichkeit notwendig ist.The device 1 shown consists of a chassis 15 with a frame 40, which in the exemplary embodiments shown is arranged on a chassis 25. The undercarriage 25 is a crawler chassis, as is usually the case with construction machines Is used. It can be useful instead of caterpillars To provide 24 wheels, in particular balloon tires or the like. The arrangement of runners can also be advantageous if one only limited mobility is necessary.

Das Chassis 15 hat eine Längsmittelachse 30, wobei angeordnete Raupen 24 des Fahrwerks 25, Räder oder Kufen parallel zur Längsmittelachse 30 ausgerichtet liegen.The chassis 15 has a longitudinal central axis 30, wherein arranged caterpillars 24 of the chassis 25, wheels or runners are aligned parallel to the longitudinal central axis 30.

An einem Längsende 35, das im folgenden als hinteres Ende bezeichnet wird, ist ein vorzugsweise etwa über die Breite des Chassis 15 sich erstreckender Aufgabetisch 2 vorgesehen. Der Aufgabetisch 2 erstreckt sich über einen Teil der Länge des Chassis 15 und kann am hinteren Ende 35 mittels einer Bodenstütze 27 (Fig. 2) abstützbar sein. Der Aufgabetisch 2 dient der Aufnahme von ausgehobenem Erdreich, welches zum Beispiel über die Schaufel 28 eines Radladers, Baggers oder dgl. eingefüllt wird. Am anderen Längsende 45 des Chassis 15 , welches nachfolgend als vorderes Ende bezeichnet wird, ist ein Mischer 3 angeordnet. Im Ausführungsbeispiel ist der Mischer 3 als Durchlaufmischer vorgesehen, welcher in Richtung der Längsmittelachse 30 des Chassis 15 ausgerichtet liegt, bevorzugt oberhalb der Längsmittelachse 30. Der Mischer 3 ist insbesondere ein Wellen-Durchlaufmischer und weist bevorzugt zwei zueinander parallel liegende Mischrotoren 3a, 3b (Fig. 4) auf, die zweckmäßig gegenläufig angetrieben sind. Im Überdeckungsbereich haben die Mischrotoren 3a, 3b gleiche Drehrichtung. Am hinteren Ende 45 weist der Mischer 3 eine dem Fahrwerk 25 bzw. dem Boden 29 zugewandte Austrittsöffnung 13 auf, die bevorzugt auf ein Abwurfband 14 mündet. Das Abwurfband 14 führt von der Austrittsöffnung 13 aufsteigend nach oben, um eine gewünschte Abwurfhöhe H für das zu standfestem Baumaterial aufbereitete Erdreich zu erreichen, um z. B. in einen Muldenkipper, einen LKW oder dgl. abgeworfen zu werden (Fig. 1). Abwurfband 14 kann höhenverstellbar sein; bevorzugt ist es durch eine insbesondere ausfahrbare Kolben/Zylinder-Einheit 41 an dem Rahmen 40 gehalten, wobei der Rahmen 40 ein Gehäuse auf dem Chassis 15 bildet (Fig. 4).At a longitudinal end 35, hereinafter referred to as the rear end is a preferably about the width of the Chassis 15 extending feed table 2 is provided. The Task table 2 extends over part of the length of the Chassis 15 and can at the rear end 35 by means of a floor support 27 (Fig. 2) can be supported. The feed table 2 serves the excavation of excavated soil, which for example filled via the bucket 28 of a wheel loader, excavator or the like becomes. At the other longitudinal end 45 of the chassis 15, which is hereinafter referred to as the front end a mixer 3 is arranged. In the embodiment the mixer 3 is provided as a continuous mixer, which in Direction of the longitudinal central axis 30 of the chassis 15 aligned lies, preferably above the longitudinal central axis 30 Mixer 3 is in particular a continuous shaft mixer and preferably has two mutually parallel Mixing rotors 3a, 3b (Fig. 4), which expediently in opposite directions are driven. In the coverage area they have Mixing rotors 3a, 3b same direction of rotation. At the rear end 45 the mixer 3 has a chassis 25 or the floor 29 facing outlet opening 13, which preferably on Discharge belt 14 opens. The discharge belt 14 leads from the outlet opening 13 ascending to a desired one Discharge height H for the prepared building material To reach soil, for. B. in a dump truck, one Truck or the like to be dropped (Fig. 1). Discharge belt 14 can be adjustable in height; it is preferred by a particular extendable piston / cylinder unit 41 on the Frame 40 held, the frame 40 is a housing on the Chassis 15 forms (Fig. 4).

Von dem Aufgabetisch 2 führt ein Transportband 4 zu einer Füllöffnung 19 des Mischers 3, welche in Längsrichtung des Durchlaufmischers an dem die Austrittsöffnung 13 gegenüberliegenden Ende angeordnet ist. Der Durchlaufmischer 3 sowie des Aufnahmetrog 2 liegen etwa in einer Höhe, wobei das Transportband 4 vom Aufnahmetrog 2 ansteigend zur oberen Füllöffnung 19 des Mischers 3 führt. In dem Raum unterhalb des Transportbandes 4 ist bevorzugt eine Antriebseinheit 16 angeordnet, welche sowohl die einzelnen Einrichtungen als auch das Fahrwerk 25 antreibt, so daß die Vorrichtung 1 auch als Selbstfahrer eingesetzt werden kann. Die Antriebseinheit 16 kann ein Elektromotor oder auch ein Verbrennungsmotor sein, insbesondere ein Dieselmotor, welcher eine hydraulische Pumpe oder auch einen Generator antreibt. Die einzelnen Einheiten der Vorrichtung werden dann durch hydraulisch oder elektrisch gespeiste Motoren angetrieben.A conveyor belt 4 leads from the feed table 2 to one Filling opening 19 of the mixer 3, which in the longitudinal direction of the Continuous mixer at the outlet opening 13 opposite End is arranged. The continuous mixer 3 as well of the receiving trough 2 are approximately at a height, the Conveyor belt 4 rising from the receiving trough 2 to the upper one Filling opening 19 of the mixer 3 leads. In the room below of the conveyor belt 4 is preferably a drive unit 16 arranged, which both the individual facilities as also drives the chassis 25, so that the device 1 also can be used as a self-drive. The drive unit 16 can be an electric motor or an internal combustion engine be, especially a diesel engine, which is a hydraulic Pump or a generator drives. The single ones Units of the device are then hydraulically or electrically powered motors.

Dem Rahmen 40 sind im Bereich der zu dem Fahrwerk 25 etwa parallel verlaufenden Längsträger ein oder mehrere Vorratssilos 21, 22 für Zugabematerial angeordnet. Bevorzugt sind mehrere Vorratssilos 21a, 21b, 22a, 22b, 22c, 22d (Fig. 1, 3, 4) vorgesehen, die dem Durchlaufmischer 3 bzw. dem Aufgabetisch 2 zugeordnet sind.The frame 40 is approximately in the area of the undercarriage 25 parallel longitudinal beams one or more storage silos 21, 22 arranged for addition material. Several are preferred Storage silos 21a, 21b, 22a, 22b, 22c, 22d (FIGS. 1, 3, 4) are provided, the continuous mixer 3 or the feed table 2 assigned.

In einer Ausführung nach Fig. 4 sind zwei Vorratssilos 22a und 22b vorgesehen, welche gemeinsam in eine Dosiereinrichtung 17 münden, die in die Füllöffnung 19 führt. Es kann zweckmäßig sein, daß die Dosiereinrichtung 17 den Zuschlagstoff auf das obere Ende des Transportbandes 4 abwirft oder unmittelbar an geeigneter Stelle (Fig. 5) in den Durchlaufmischer 3 gibt. In an embodiment according to FIG. 4 there are two storage silos 22a and 22b are provided, which together in a metering device 17th open, which leads into the filling opening 19. It can be convenient be that the metering device 17 the aggregate on the discards the upper end of the conveyor belt 4 or immediately suitable location (Fig. 5) in the continuous mixer 3.

Während die Vorratssilos 22 oberhalb des Durchlaufmischers 3 angeordnet sind, ist ein anderes Vorratssilo 21 etwa oberhalb des Fußes des Transportbandes 4 im Rahmen 40 gehalten. Wie sich aus Fig. 1, 2 ergibt, sind zwei Vorratssilos 21a und 21b vorgesehen, welche zweckmäßig gemeinsam eine Dosiereinrichtung 7 speisen, die auf den Ausgabetisch 2 mündet.While the storage silos 22 above the continuous mixer 3rd are arranged, another storage silo 21 is approximately above the foot of the conveyor belt 4 held in the frame 40. How 1, 2, there are two storage silos 21a and 21b provided which expediently together a metering device 7 dine, which leads to the delivery table 2.

Das Transportband 4 führt von dem Aufgabetisch 2 Erdreich in Transportrichtung 20 ab, nachdem es in einer Konditioniereinrichtung 5 aufbereitet wurde. Die Konditioniereinrichtung 5 ist im Ausführungsbeispiel aus einem Rotor 50 gebildet, welcher das auf den Aufgabetisch 2 geschüttete, grobklumpige Erdreich zerkleinert und derart konditioniert, daß es für eine eventuelle notwendige weitere Aufbereitung in dem Durchlaufmischer 3 geeignet ist. Der Rotor oder die Rotoren sind bevorzugt auswechselbar. Ein Rotor 50 kann als Fräsrotor oder auch als Rotor mit Schlagarmen oder dgl. ausgebildet sein. Auch können im Aufgabetisch 2 eine oder mehrere Wellen 50a, 50b aufweisende, austauschbare Konditioniereinrichtungen 5' zum Zerkleinern und Mischen des aufzuarbeitenden Erdaushubs angeordnet sein. Bevorzugt arbeitet der Fräsrotor 5 mit einer höhenverstellbaren Schlagleiste 10 zusammen, wodurch zwischen dem Rotor 50 und der Schlagleiste 10 ein Arbeitsspalt 11 gebildet ist (Fig. 2, 7), dessen Spaltbreite zur Einstellung der Grad der Konditionierung bzw. der gewünschten Korngröße des aufbereiteten Erdreiches veränderbar ist. Bevorzugt rotiert der auswechselbare Fräsrotor 50 dabei in Pfeilrichtung 48, also im Sinne eines Anhebens des zugeführten ErdreichsThe conveyor belt 4 leads from the feed table 2 soil Transport direction 20 after it is in a conditioning device 5 was prepared. The conditioning device 5 is formed in the exemplary embodiment from a rotor 50, which is the coarse lumpy material that has been poured onto the feed table 2 Soil crushed and conditioned in such a way that it is suitable for any necessary further processing in the Continuous mixer 3 is suitable. The rotor or the rotors are preferably interchangeable. A rotor 50 can act as a milling rotor or also formed as a rotor with beating arms or the like his. One or more waves can also be in the feed table 2 Interchangeable conditioning devices having 50a, 50b 5 'for crushing and mixing the processed material Excavations can be arranged. The milling rotor preferably works 5 together with a height-adjustable blow bar 10, whereby a working gap between the rotor 50 and the blow bar 10 11 is formed (Fig. 2, 7), the gap width to adjust the level of conditioning or desired grain size of the processed soil is changeable. The exchangeable milling rotor preferably rotates 50 in the direction of arrow 48, that is in the sense of a Raising the supplied soil

Der Aufgabetisch 2 hat entsprechend der konstruktiven Ausführung der Vorrichtung gemäß Fig. 7 einen zum Fräsrotor 50 abfallenden Boden 55 mit einem Schieber 56, der durch eine Kolben/Zylinder-Einheit 57 gemäß Pfeil 58 hin und her bewegbar ist. Das auf den Aufgabetisch 2 abgeworfene Erdreich wird so vom Schieber 56 mit einem einstellbaren Vorschub dem Fräsrotor 50 zugeführt, der in Pfeilrichtung 48 umläuft und das zugeführte Erdreich anhebt und in Umfangsrichtung nach oben mitnimmt. Das Erdreich wird so erfaßt und im Zusammenwirken mit einer in Drehrichtung 48 oberhalb des Bodens 55 des Schubtisches angeordneten Schlagleiste 10 aufgearbeitet, insbesondere zerkleinert bzw. gekrümelt. Die Schlagleiste 10 kann durch den vorderen Rand einer den Fräsrotor 50 über einen Teilumfang umgehenden, verstellbaren Haube 60 gebildet sein, die einen einstellbaren Arbeitsspalt 11 zwischen Haube und Rotor bestimmt. Abhängig von der Drehzahl des Fräsrotors 50, der Breite und Länge des Arbeitsspaltes 11 sowie der Vorschubgeschwindigkeit des Schiebers 56 ergibt sich eine einstellbare Konditioniergüte des Erdreichs, die den jeweiligen Gegebenheiten angepaßt werden kann. Dabei ist insbesondere eine Zugabe von Zuschlagstoffen wie Kalk, Zement, Tonmehl oder dgl. im Bereich des Fräsrotors 50 vorteilhaft. Als zweckmäßig hat sich die Zugabe in den Arbeitsspalt 11 erwiesen, dort vorteilhaft in Drehrichtung 48 des Rotors 50 kurz hinter dem eine Schlagleiste 10 bildenden vorderen Rand der Haube 60. Im Ausführungsbeispiel nach Fig. 7 mündet die Dosiereinrichtung 7 im Bereich der Schlagleiste 10 in den Arbeitsspalt 11.The feed table 2 has the design 7 falling towards the milling rotor 50 Bottom 55 with a slide 56, which by a Piston / cylinder unit 57 can be moved back and forth according to arrow 58 is. The soil thrown onto the feed table 2 becomes so from the slide 56 with an adjustable feed to the milling rotor 50 fed, which rotates in the direction of arrow 48 and that supplied soil rises and in the circumferential direction upwards takes along. The soil is grasped in this way and in interaction with a in the direction of rotation 48 above the bottom 55 of the Refurbished beater bar 10 arranged, especially crushed or crumbled. The blow bar 10 can through the front edge of the milling rotor 50 a partial circumference surrounding adjustable hood 60 is formed be an adjustable working gap 11 between the hood and rotor determined. Depending on the speed of the milling rotor 50, the width and length of the working gap 11 and the feed speed the slide 56 results in a adjustable conditioning quality of the soil, which the can be adapted to specific circumstances. It is in particular the addition of additives such as lime, Cement, clay flour or the like. Advantageously in the area of the milling rotor 50. The addition into the working gap has proven to be expedient 11 proved there advantageously in the direction of rotation 48 of the Rotor 50 just behind the one forming a blow bar 10 front edge of the hood 60. In the embodiment according to 7 opens the metering device 7 in the area of the blow bar 10 in the working gap 11.

Das durch den Arbeitsspalt 11 tretende, in den Bodenbereich 44 auf das Transportband 4 fallende konditionierte Erdreich kann in der Abzugsmenge zweckmäßig durch eine Blende 9 eingestellt werden (Fig. 2). Hierzu ist ein Blendenschieber 18 vorgesehen, der durch eine hydraulische Kolben/Zylinder-Einheit 49 in Richtung des Doppelpfeils 47 verstellbar ist. Die dadurch einstellbare Durchtrittsöffnung 12 der Blende 9 bestimmt den Volumenstrom des vom Transportband 4 aus dem Bodenbereich 44 abgezogenen konditionierten Erdreiches. Dieses Erdreich wird vor Abwurf in den Durchlaufmischer 3 von einer Wiegeeinrichtung 6 gewichtsmäßig erfaßt, um abhängig von dem Ausgangssignal der Wiegeeinrichtung 6 die Menge des über die Dosiereinrichtung 17 zugeführten Zugabematerials insbesondere automatisch einzustellen. Die Wiegeeinrichtung 6 ist zweckmäßig in dem Transportband 4 integriert.The one that passes through the working gap 11 into the floor area 44 conditioned soil falling on the conveyor belt 4 can be set appropriately in the amount deducted by an aperture 9 be (Fig. 2). For this purpose, an aperture slide 18 provided by a hydraulic piston / cylinder unit 49 is adjustable in the direction of the double arrow 47. The passage opening 12 of the diaphragm 9 that can be adjusted thereby determines the volume flow of the conveyor belt 4 from the Soil area 44 deducted conditioned soil. This soil is discharged into the continuous mixer 3 from a weighing device 6 detected by weight in order to depend from the output signal of the weighing device 6 the amount of added material supplied via the metering device 17 especially automatically set. The weighing device 6 is expediently integrated in the conveyor belt 4.

Bevorzugt erfolgt auch eine Messung des Feuchtigkeitsgehaltes des konditionierten Erdreichs, wozu im Bodenbereich 44 z. B. vor der Blende 9 ein Sensor 46 angeordnet sein kann. Zweckmäßig erfolgt die Feuchtemessung kurz vor Abwurf des konditionierten Erdreiches in den Mischer 3, wie dies schematisch in Figur 1 dargestellt ist. Die Feuchtemessung kann z. B. mittels Mikrowellen im Bereich von 5 - 6 Giga Hertz erfolgen, wozu eine entsprechende Meßvorrichtung 70 angeordnet ist. Das Ausgangssignal des Sensors 46 bzw. der Meßvorrichtung 70 kann zusammen mit dem Ausgangssignal der Wiegeeinrichtung 6 einem Steuergerät 80 (Fig. 1) zugeführt sein, welches die Dosiereinrichtung 17 steuert, um eine der Feuchtigkeit und der Masse des vom Transportband 4 zugeführten Materials angepaßte Zugabe des Zugabematerials zu erzielen. Das Steuergerät kann als Potentiometer-Steuerung ausgeführt oder auch eine PC-Steuerung sein.The moisture content is preferably also measured of the conditioned soil, for which purpose in the bottom area 44 z. B. A sensor 46 can be arranged in front of the aperture 9. Appropriately the moisture measurement is carried out shortly before the conditioned is released Soil in the mixer 3, as shown schematically is shown in Figure 1. The moisture measurement can e.g. B. by means of microwaves in the range of 5-6 gigahertz, for which purpose a corresponding measuring device 70 is arranged. The Output signal of the sensor 46 or the measuring device 70 can together with the output signal of the weighing device 6 one Control unit 80 (Fig. 1), which is the metering device 17 controls to one of the moisture and the Adjusted mass of the material fed from the conveyor belt 4 To achieve addition of the addition material. The control unit can designed as a potentiometer control or a PC control his.

Nach dem Ausführungsbeispiel Figur 2 kann der Schieber 8 des Aufgabetisches 2 auch eine quer zur Längsrichtung 30 liegende hintere Wand eines Aufnahmetroges sein, welche über eine Kolben/Zylinder-Einheit 38 auf den Fräsrotor 50 verfahrbar ist. Das im Aufnahmetrog befindliche Erdreich wird so zwangsgeführt in den Wirkungsbereich des Fräsrotors 50 transportiert.According to the embodiment of Figure 2, the slide 8 of the Task table 2 also a transverse to the longitudinal direction 30 rear wall of a receiving trough, which over a Piston / cylinder unit 38 can be moved onto the milling rotor 50 is. The soil in the receiving trough becomes like this transported positively into the effective range of the milling rotor 50.

Als Zugabematerial ist ein dem Erdreich Feuchtigkeit entziehendes Material vorgesehen, welches Zement, Kalk, Flugasche, Tonmehl, Bentonit oder dgl. sein kann. Dabei kann über die Dosiereinrichtung 7 als auch über die Dosiereinrichtung 17 gleiches oder auch unterschiedliches Material zugeführt werden; bevorzugt werden über die Dosiereinrichtungen 7 und 17 Kalk zugeführt. Auch können Mischungen als Zugabe dosiert werden; hierzu sind - wie Fig. 1 zeigt - alle Silos 21a, 21b, 22a - d mit getrennt steuerbaren Dosierschnecken ausgerüstet, wodurch eine gequantelte Volumensteuerung, z. B. über die Steuerung 80, möglich ist.The addition material is a moisture extractant from the soil Material, which includes cement, lime, fly ash, Clay powder, bentonite or the like. You can use the Dosing device 7 and also via the dosing device 17 same or different material supplied become; are preferred over the metering devices 7 and 17 lime fed. Mixtures can also be dosed as an addition become; 1 shows - all silos 21a, 21b, 22a - d equipped with separately controllable dosing screws, whereby a quantized volume control, e.g. B. about the Control 80, is possible.

Um auch trockenes Erdreich verarbeiten zu können, ist zweckmäßig sowohl im Aufgabetisch 2 als auch im Durchlaufmischer 3 eine Wasserzugabe 23 vorgesehen. Die Wasserzugabe kann in Abhängigkeit der Feuchtigkeitsmessung von der Steuerung 80 über ein elektromagnetisches schaltbares Ventil 81 geregelt sein. So kann die zur Konditionierung und spätere Durchmischung mit dem Bindemittel notwendige Feuchtigkeit gewährleistet werden.In order to be able to process dry soil, it is advisable both in the feed table 2 and in the continuous mixer 3 a water addition 23 is provided. The addition of water can Dependence of the moisture measurement on the controller 80 regulated by an electromagnetic switchable valve 81 his. So that can be used for conditioning and later Mix with the necessary moisture be guaranteed.

Im Ausführungsbeispiel nach Fig. 2 wird das in den Aufnahmetrog abgeworfene Erdreich von der beweglichen Wand 8 in den Arbeitsbereich der Konditioniereinrichtung 5 transportiert und durch den Fräsrotor 50 in Verbindung mit der Schlagleiste 10 aufbereitet. Abhängig von dem zu verarbeitenden Erdreich kann eine Kalkzugabe zweckmäßig sein, wobei die Kalkzugabe bevorzugt in Transportrichtung 20 des Erdreichs vor dem Arbeitsspalt 11, das heißt also vor der Konditioniereinrichtung 5 erfolgt. Das den Arbeitsspalt 11 passierende Erdreich, fällt in dem Bodenbereich 44 auf das Transportband 4 und wird in Transportrichtung 20 abgezogen, wobei der Volumenstrom über die Durchtrittsöffnung 12 der Blende 9 einstellbar ist. Das Gewicht des Volumenstromes wird von der bevorzugt in dem Transportband 4 integrierten Wiegeeinrichtung 6 vor Abwurf in den Durchlaufmischer 3 erfaßt und entsprechend dem Ausgangssignal der Wiegeeinrichtung 6 über die Dosiereinrichtung 17 entsprechende Anteile Zugabematerial aus den Vorratssilos 22 zugeführt. In dem zu seiner Austrittsöffnung 14 zweckmäßig leicht ansteigenden Durchlaufmischer wird die Mischung innig durchgemischt, wobei sich ein trockenes, standfestes Einbaumaterial ergibt, welches zur Verfüllung von Arbeitsräumen im Erdbau, so z. B. von Arbeitsgräben, Kanalisationsgräben und dgl. verwendbar ist. In the exemplary embodiment according to FIG. 2, this is in the receiving trough dropped soil from the movable wall 8 in the Working area of the conditioning device 5 transported and by the milling rotor 50 in connection with the blow bar 10 processed. Depending on the soil to be processed a lime addition may be appropriate, the lime addition preferably in the transport direction 20 of the soil in front of the working gap 11, that is to say in front of the conditioning device 5 is done. The soil passing through the working gap 11, falls in the bottom area 44 onto the conveyor belt 4 and becomes subtracted in the direction of transport 20, the volume flow the aperture 9 is adjustable via the passage opening 12. The weight of the volume flow is preferred in the Conveyor belt 4 integrated weighing device 6 before dropping in the continuous mixer 3 is detected and in accordance with the output signal the weighing device 6 via the metering device 17 corresponding portions of addition material from the storage silos 22 fed. In the expedient to its outlet opening 14 slightly increasing continuous mixer, the mixture becomes intimate mixed, resulting in a dry, stable paving material results, which for the filling of work spaces in Earthworks, e.g. B. of trenches, sewer trenches and Like. Is usable.

Da die Menge der zugesetzten Bindemittel relativ groß sein kann, können die Vorratssilos 21, 22 nur eine bestimmte Betriebszeit der Vorrichtung garantieren. Es ist daher vorgesehen, während dem insbesondere kontinuierlichen Betrieb der Vorrichtung das Zugabematerial von einem Großsilofahrzeug 42 (Fig. 6) permanent in die Silos einzuspeisen. Für den Wechsel eines Großsilofahrzeugs 42 ist das in den Vorratssilos 21, 22 gespeicherte Volumen ausreichend, so daß ein Wechsel des Fahrzeugs ohne Arbeitsunterbrechung der Vorrichtung erfolgen kann. Auch können Wechselsilos zweckmäßig sein, die von einem an der Vorrichtung angebauten Manipulator 91 (Kran) zu handhaben sind (Fig. 1).Because the amount of binder added can be relatively large can, the storage silos 21, 22 can only a certain Guarantee the operating time of the device. It is therefore envisaged during the continuous operation of the Apparatus for adding material from a large silo 42 (Fig. 6) permanently feed into the silos. For the change of a large silo vehicle 42 is in the storage silos 21, 22 stored volume sufficient so that a change of Vehicle without interrupting work of the device can. Swap silos can also be useful, the one manipulator 91 (crane) attached to the device are handled (Fig. 1).

Die Vorrichtung nach Fig. 5 weist zwei im wesentlichen gleich große Vorratssilos 21, 22 auf, wobei das Vorratssilo 21 sowohl die erste Dosiereinrichtung 7 als auch die zweite Dosiereinrichtung 17 speist. Das zweite Vorratssilo 22 speist ausschließlich die zweite Dosiereinrichtung 17. Diese Dosiereinrichtung 17 mündet in Transportrichtung 20 des Erdreichs nach der Füllöffnung 19 in den Durchlaufmischer. Dies kann vorteilhaft sein, damit eine aufgrund der Kalkzugabe auftretende Belästigung durch Kalkstaub und dgl. vermieden ist.5 has two essentially the same large storage silos 21, 22, the storage silo 21 both the first metering device 7 and the second metering device 17 feeds. The second storage silo 22 feeds exclusively the second metering device 17. This metering device 17 opens in the transport direction 20 of the soil after the filling opening 19 in the continuous mixer. This can be advantageous so that one occurring due to the addition of lime Annoyance caused by lime dust and the like is avoided.

Die in Fig. 5 dargestellte Konditioniereinrichtung 5' im Aufnahmetrog besteht aus zwei Rotoren 50a, 50b, welche zur Konditionierung des Erdreiches zusammenarbeiten. Das konditionierte Erdreich fällt durch ein im Boden des Aufnahmetroges 2 vorgesehenes Gitter, wobei die Gitteröffnungen dem gewünschten Konditionierungsgrad des Erdreichs angepaßt gewählt sind.The conditioning device 5 'shown in Fig. 5 in the receiving trough consists of two rotors 50a, 50b, which are used for conditioning of the earth work together. The conditioned Soil falls through a in the bottom of the receiving trough 2 provided grid, the grid openings the desired Condition degree of the soil chosen adjusted are.

In den gezeigten Ausführungsbeispielen liegen die Fräsrotoren 50 quer zur Längsmittelachse 30 der Vorrichtung 1.The milling rotors are located in the exemplary embodiments shown 50 transverse to the longitudinal central axis 30 of the device 1.

Claims (9)

  1. Apparatus for the treatment and consolidation of excavated soil, with
    a feed table (2) for the excavated soil,
    a conveyor belt (4) leading from the feed table (2) to a discharge point,
    a treatment device (5) for the soil, located before the conveyor belt (4),
    a dosing device (7) located in the region of the treatment device (5), for an added material, which device (7) opens out in the region of a working gap (11) of the treatment device (5),
    characterised in that the discharge point opens into a mixer (3), in the region of which a second dosing device (17) for an added material opens, the mixer (3) being preceded by a weighing device (6) preferably integrated in the conveyor belt (4), for the treated soil supplied by way of the conveyor belt (4).
  2. Apparatus according to Claim 1, characterised in that the treatment device (5) is formed from a milling rotor (50), with which a beater bar (10) is preferably associated, which is located in particular above the milling rotor (50) and with the latter defines a working gap (11).
  3. Apparatus according to one of Claims 1 or 2, characterised in that the feed table (2) comprises a pusher (8) supplying the soil to the treatment device (5), which pusher (8) in particular forms a base part (55) of the feed table (2).
  4. Apparatus according to one of Claims 1 to 3, characterised in that the mixer (3) is a shaft mixer preferably comprising two mixing rotors (3a, 3b), in particular a throughflow mixer, which in particular opens onto a preferably ascending discharge belt (14).
  5. Apparatus according to one of Claims 1 to 4, characterised in that the second dosing device (17) opens into the filling opening (19) of the mixer (3).
  6. Apparatus according to one of Claims 1 to 5, characterised in that the conveyor belt (4) is provided to ascend from the feed table (2) to the mixer (3).
  7. Apparatus according to one of Claims 1 to 6, characterised in that the dosing devices (7, 17) are supplied from one or more storage silos (21, 22) for the added material, located in the apparatus.
  8. Apparatus according to one of Claims 1 to 7, characterised in that a water supply (23) opens out in the region of the treatment device (5) and/or of the mixer (3).
  9. Apparatus according to one of Claims 1 to 8, characterised in that the apparatus is located on a chassis (25) constructed as a self-propelling arrangement, which chassis preferably comprises a drive unit (16) driving the units, which in particular is located below the conveyor belt (4).
EP95104077A 1994-03-19 1995-03-20 Apparatus for the treatment and consolidation of soil Expired - Lifetime EP0675232B1 (en)

Applications Claiming Priority (2)

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DE4409507A DE4409507A1 (en) 1994-03-19 1994-03-19 Device for processing soil into a stable construction material
DE4409507 1994-03-19

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EP0675232A1 EP0675232A1 (en) 1995-10-04
EP0675232B1 true EP0675232B1 (en) 1999-09-22

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AT (1) ATE184938T1 (en)
DE (2) DE4409507A1 (en)
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FR2646186B1 (en) * 1989-04-20 1991-08-16 Beugnet Sa MACHINE FOR PROCESSING MATERIALS, SUCH AS SOILS AND CHALK FOR THE CONSTRUCTION OF A FLOOR FOUNDATION LAYER, PARTICULARLY A MOTORWAY PAVEMENT
DE4303285A1 (en) * 1993-02-05 1994-08-11 Weiss Gmbh & Co Leonhard Deep soil consolidation method and implementation facility

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7178972B2 (en) * 2001-07-19 2007-02-20 Keanes Limited Recycled material mixing machine

Also Published As

Publication number Publication date
DE59506868D1 (en) 1999-10-28
DE4409507A1 (en) 1995-09-21
ES2136220T3 (en) 1999-11-16
EP0675232A1 (en) 1995-10-04
ATE184938T1 (en) 1999-10-15

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