DK1698732T3 - Mobile soil compacting plant - Google Patents

Mobile soil compacting plant Download PDF

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Publication number
DK1698732T3
DK1698732T3 DK06003553.2T DK06003553T DK1698732T3 DK 1698732 T3 DK1698732 T3 DK 1698732T3 DK 06003553 T DK06003553 T DK 06003553T DK 1698732 T3 DK1698732 T3 DK 1698732T3
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DK
Denmark
Prior art keywords
treatment plant
plant according
mixer
soil treatment
conveyor belt
Prior art date
Application number
DK06003553.2T
Other languages
Danish (da)
Inventor
Michael Dellschau
Greef Elisabeth De
Original Assignee
Dellschau Solid Baumaschinen Gmbh
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Publication of DK1698732T3 publication Critical patent/DK1698732T3/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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil

Description

DESCRIPTION
The invention relates to a mobile soil processing plant in the form of a compact plant with a floor frame that can be placed onto a container vehicle, comprising a charging hopper located at one end of the compact plant and a discharge belt designed under the charging hopper with a conveying direction directed in longitudinal direction of the compact plant to the centre point of the latter, furthermore comprising a sloping screening device extending below the discharge belt in the direction of the end of the compact plant on the bin side with a chute for discharging retained oversize grain, and comprising a conveyor belt arranged below the screening device and ascendingly extending from the end of the screening device over the longitudinal direction of the compact plant as far as to a mixer arranged adjacently to the charging hopper which on its assigned end is connected to a material inlet for the mixer, wherein a belt scale is provided on the conveyor belt and at least one bin for the controlled addition of an additive material is arranged above the conveyor belt. A soil processing plant having the aforesaid features is described in EP 1 317 969 Al which is considered to be nearest prior art. The known compact plant contains the units required for the soil processing plant which are jointly located on a floor frame and are assigned to one another in such a manner that a flow path for the material through the compact plant is obtained. Insofar as the material is taken into a mixer at the end of the flow path and is there mixed with additive materials, no discharge of material from the mixer and conveyance outside the compact plant is provided.
It is therefore the object of the invention to adapt a mobile soil processing compact plant having the generic features such that the plant has a compact structure and can easily be relocated between different operating sites.
The solution of this object is obtained from claim 1; advantageous embodiments and further developments of the invention are specified in the subclaims.
The invention provides in its basic idea that the screening device with chute is arranged at the end of the compact plant on the bin side and that within the floor frame a product belt running below the mixer having a delivery head facing the end of the compact plant that is opposite to the charging hopper is arranged, wherein the delivery head of the product belt facing to the outside is longitudinally movable in such a manner that in the extended position the delivery head projects to outside of the compact plant.
The invention is associated with the advantage that as a result of the arrangement of the individual units with respect to one another, a compact soil processing plant is created, whose dimensions do not exceed the dimensions of a usual container so that the compact plant can be placed on a lorry and thus can be transported as such via road. Within the framework of the embodiment according to the invention, precautions are taken with regard to the configuration of the individual units and the control thereof so that it is possible to influence the process sequence at different positions of the processing plant.
The compact structure on the base surface of a container is initially ensured whereby the charging hopper is raised so far with respect to the base plinth of the compact plant that both a discharge belt and also a preferably multistage screening device can be located underneath the charging hopper. In order to delimit the longitudinal extension of these units, it is provided that the conveying direction of the discharge belt is directed towards the centre point of the plant and the conveying direction of the screening device is in turn adapted to be opposite thereto so that the material to be processed at the end of the screening device is again located at the end of the compact plant and in this respect, the entire length of the compact plant or the container is again available for the further material guidance. This also provides the possibility of discharging the retained oversize grain at the end of the compact plant via the associated chute. In the front part of the compact plant adjacent to the charging hopper with the discharge belt located thereunder and the screening device, a mixer is placed having a configuration known from DE 202 10 667.5 U1. A conveyor belt extending diagonally between the end of the screening device and the material inlet of the mixer also bridges the height difference, where the conveyor belt is assigned at least one hopper from which an additive material can be added to the material layer located on the conveyor belt. The mixer for its part is raised so far from the base plane of the compact plant that another product belt is located underneath the mixer via which the processed material can be discharged from the compact plant.
Insofar as it is provided according to one embodiment of the invention that the charging hopper on its circumference is provided with erectable sidewalls, during transport of the compact plant by road the side walls of the charging hopper can be folded in so that height is saved during transport. During operation the side walls are raised so that a sufficient quantity of material can be inserted into the charging bunker.
According to one embodiment of the invention, it is provided that the discharge belt is controllably adapted in its speed; in this respect it is possible to adjust the layer height of the material to be transferred onto the downstream screening device in order to ensure a good throughput on the one hand and on the other hand to avoid overfilling of the screening device.
Insofar as according to one embodiment the transfer at the end of the discharge belt to the screening device located below the same is encased, evolution of dust is advantageously avoided.
According to one embodiment of the invention, it can be provided that the screening device consists of multiple screening stages with different screen sizes connected one behind the other. In corresponding embodiments, it can be provided that the screening stages are designed in the form of bar sizers and/or screening decks, furthermore that the screening stages are adjustable in their screening angle with respect to the horizontal. In this case, it can be provided that the drive for the screening device is designed as an unbalance exciter.
Insofar as the material to be processed requires that different additive materials are to be introduced into the course of the process, according to one embodiment of the invention, it can be provided that a plurality of bins receiving different additive materials are arranged above the conveyor belt.
In addition to the belt scales provided, which are assigned to the conveyor belt, it can be provided that the speed of the conveyor belt is controllably adapted so that the control of the addition of the additive material is improved.
The mixer used within the framework of the compact plant is fundamentally known from DE 202 10 667.5 U1. In detail, this mixer is characterized in that the mixer comprises two shafts which are arranged parallel to one another in a casing, wherein on the two shafts in each case a plurality of mixing tools are freely suspended in such a manner that the mixing tools upon rotation of the shaft rise up towards the outside as a result of the centrifugal force and wherein the direction of rotation of the shafts is set in opposite direction to one another in the direction of the material inlet arranged above the shafts.
It can be provided that an adjustably mounted guiding wall for adjusting different inlet parabolas of the material conveyed into the mixer is arranged in the material inlet of the mixer.
In order to improve the mixer efficacy, in a further development of the known mixer it can be provided that the two shafts carrying the mixing tools are arranged offset to one another in the casing in such a manner that the material guided through the material inlet is thrown by the mixing tools arranged on the first upper shaft onto the mixing tools located on the second shaft arranged below the first shaft. As a result, a more intensive mixing of the material is achieved so that as a result, smaller quantities of additive materials need to be used.
According to one embodiment of the invention, it is provided that a homogenisation strip aligned parallel to the shafts is arranged in an interior space between the mixing tools erected by centrifugal force.
In order to improve the quality of the soil processing, it can be provided that devices for the addition of liquids mixed with microbes are provided in the region of the mixer and/or of the conveyor belt and/or of the product belt.
It is provided that the outward-facing delivery head of the product belt is longitudinally movable in such a manner that in the extended position the delivery head projects to the outside of the compact plant. This ensures an easy transfer of the processed material from the compact plant onto a corresponding transport vehicle or onto machines for introducing the processed material.
Overall within the framework of the compact plant described, there are numerous possibilities for influencing the material flow in the compact plant and thus controlling the quality of the processing process. Thus, control of the speed of the hopper discharge belt enables the layer height of the material to be processed to be adjusted from the outset so that the subsequent screening device is not excessively loaded; at the same time the quantity to be received from the conveyor belt is fixed or influenced with a view to the addition of additive materials. Insofar as it is possible within the framework of the screening device to configure the individual screening stages to be adjustable in their screening angle, the dwell times of the material on the associated screening surface can be adjusted to be longer or shorter.
With a view to the addition of the additive materials onto the conveyor belt, the invention allows two different operating states depending on the equipment of the plant. Within the framework of a manual operation, the additives are added on the basis of a predetermined setting as a function of the material flow determined by the belt scales. When using a corresponding computer, a programmed operation is also possible in which the charging of the material to be processed from the screening device onto the conveyor belt which can be regulated in its speed is accomplished in which depending on the layer thickness of the material lying on the conveyor belt, the quantity of additive materials is automatically corrected and added continuously to the material as a result of the detection of the material quantity by the belt scales. In this case, the additives can be supplied from one, two, three or even more additive hoppers. The addition of additive materials in the correct ratio to one another is made according to an adapted control program and is matched to the throughput of the material to be processed. The corresponding control program can, for example, be varied by means of a computer interface and specifically permanently (online) or also by way of an offline/upload operation. Within the framework of the control used, further parameters can be controlled on other units, as explained. The control can, for example, log the recorded data, for example, and transmit it, for example, to an external PC for further data processing by means of data exchange (online/up-download).
Furthermore, the delivery parabola of the material from the conveyor belt into the mixer can also be adjusted by regulating the speed of the conveyor belt. Since an adjustably mounted guiding wall is provided in the mixer, different inlet parabolas of the material into the mixer can also be adjusted by means of an adjustable delivery deflection. Likewise, the mixing tools used in the mixer can be adapted in their number, their shape and their material thickness to the material to be processed. The number of revolutions of the mixer shafts also provides a possibility for influence for adapting the plant to the material to be processed.
It can be provided that the addition hoppers are provided with erectable side walls over their circumference. These side walls can be configured according to the erectable side walls of the charging hopper.
An embodiment of the invention is reproduced in the drawing, which is described hereinafter. The single figure shows a mobile soil processing compact plant in a schematic view.
The soil processing compact plant is constructed on a floor frame 10 having approximately the dimensions of a container, where for reasons of assignment, in the following description the rear side of the floor frame is designated by 10a and the front side is designated by 10b. Adjoining the rear side 10a is a charging hopper 11 which is raised accordingly with respect to the floor frame 10, which is provided with foldable side walls 12; the side walls 12 are folded in during transport of the compact plant for reasons of saving height and are erected in the operating state of the soil processing plant in order to increase the capacity of the charging hopper 11.
Located underneath the charging hopper 11 is a discharge belt 13 which is designed with a conveying direction characterized by arrow 27 in the direction of the front side 10b of the floor frame 10. A sloping screening device 15 with a reverse conveying direction characterized by the arrow 28 is located underneath the discharge belt 13 where the transfer from the discharge belt 13 onto the screening device 15 is encased by a casing 14 for reasons of avoiding any development of dust. Located at the end of the screening device 15 is a chute 16 by means of which the oversize grain retained in the screening device 15 can be removed outside the floor frame 10.
The screening passage through the screening device 15 falls onto a conveyor belt 17 guided under the screening device 15 ascendingly raising in the direction of the front side 10b of the floor frame 10 which bridges a height difference to the material inlet 20 of a mixer 19 located in the front region of the floor frame 10. Located on the upper side of the conveyor belt 17 is a charging hopper 18 in which a suitable additive material is stored which is charged onto the material lying on the conveyor belt 17 by means of a controlled metering device, not shown, for example, a screw conveyor. Within the framework of the processing plant according to the invention, a plurality of charging hoppers for different additives can also be provided, as is not shown subsequently.
The said mixer 19 is again raised so far with respect to the floor frame 10 that a product belt 25 having a conveying direction (arrow 30) to the front side 10b of the floor frame 10 is installed underneath the mixer 19. The delivery head 2 6 of the product belt 25 directed towards the outside of the floor frame 10 is arranged displaceably as depicted by the dashed line so that during operation of the soil processing, it is possible to transfer material to a transport vehicle or another reprocessing machine here.
The mixer 19 is provided in a manner known per se with a material inlet 20 in which a guide plate 21 for adjustment of a delivery parabola is arranged adjustably. Two shafts 22 are provided in the mixer on which mixing tools 23 which erect under centrifugal force are arranged. The arrangement is made in such a manner that the material to be processed is grasped by the mixing tools 23 of the first shaft 22 and thrown onto the mixing tools 23 of the second shaft 22, after which the material then passes onto the product belt 25. A homogenization strip 24 can be additionally arranged between the two shafts 22 or the mixing tools 23 erected thereon. In an expedient embodiment the second shaft 22 is arranged lower than the first shaft 22.

Claims (15)

1. Mobilt jordbehandlingsanlæg i form af et kompaktanlæg, som kan sættes på et containerkøretøj, med en bundramme (10), med en tilførselssilo (11), der befinder sig ved en ende af kompaktanlægget, og et aftræksbånd (13), som er udformet under tilførselssiloen (11), med en transportretning (pil 27), som er ført i kompaktanlæggets langsgående retning til dets midterpunkt, desuden med en hældende siindretning (15), der strækker sig under aftræksbåndet (13) i retning mod kompaktanlæggets ende på silosiden, med en sliske (16) til udledning af overskydende tilbageholdt korn, derudover med et transportbånd (17), som er anbragt under siindretningen (15) og strækker sig stigende fra enden af siindretningen (15) over kompaktanlæggets langsgående retning hen til en blander (19), som er anbragt nabostillet til tilførselssiloen (11), og hvilket transportbånd ved sin tilordnede ende er tilsluttet et materialeindløb (20) for blanderen (19), hvor der på transportbåndet (17) er indrettet en båndvægt og over transportbåndet (17) er anbragt en silo (18) til reguleret tilsætning af et tilsatsmateriale, kendetegnet ved, at siindretningen (15) med sliske (16) er anbragt ved kompaktanlæggets ende på silosiden, og at der inden i bundrammen (10) er anbragt et produktbånd (25), som løber under blanderen (19), med et kastehoved (26), som vender mod kompaktanlæggets ende, der er modsat tilførselssiloen (11), hvor produktbåndets (25) kastehoved (26), som vender udad, kan forskydes i længden på en sådan måde, at kastehovedet (26) i den udskubbede stilling rager uden for kompaktanlægget.1. Mobile soil treatment plant in the form of a compact plant which can be mounted on a container vehicle, with a bottom frame (10), with a supply silo (11) located at one end of the compact plant and a cover strip (13) which is formed underneath the feed silo (11), with a conveying direction (arrow 27) which is guided in the longitudinal direction of the compact system to its center point, in addition with an inclined screening device (15) extending under the pull-off belt (13) towards the end of the compact system on the silo side, with a slit (16) for discharging excess retained grain, in addition with a conveyor belt (17) arranged below the screen device (15) and extending from the end of the screen device (15) over the longitudinal direction of the compact system to a mixer (19). ) disposed adjacent to the feed silo (11) and to which conveyor belt is connected at its associated end a material inlet (20) for the mixer (19), where on the conveyor belt (17) ) a belt weight is arranged and a silo (18) is arranged over the conveyor belt (17) for controlled addition of an additive material, characterized in that the screen device (15) with slots (16) is arranged at the end of the compact system on the silo side and that before in the bottom frame (10) is arranged a product band (25) running under the mixer (19) with a throwing head (26) facing the end of the compact system opposite to the supply silo (11), where the throwing head (26) of the product band (25) ), which face outwards, can be displaced lengthwise in such a way that the throwing head (26) in the ejected position protrudes outside the compact system. 2. Jordbehandlingsanlæg ifølge krav 1, kendetegnet ved, at tilførselssiloen (11) i sin omkreds er forsynet med opstillelige sidevægge (12).A soil treatment plant according to claim 1, characterized in that the feed silo (11) is provided with adjustable side walls (12) in its perimeter. 3. Jordbehandlingsanlæg ifølge krav 1 eller 2, kendetegnet ved, at aftræksbåndet (13) er indrettet således, at dets hastighed kan reguleres.Ground treatment plant according to claim 1 or 2, characterized in that the extractor belt (13) is arranged so that its speed can be controlled. 4. Jordbehandlingsanlæg ifølge et af kravene 1 til 3, kendetegnet ved, at overgivelsen (14) ved enden af aftræksbåndet (13) er anbragt på siindretningen (15), som ligger derunder.Ground treatment plant according to one of Claims 1 to 3, characterized in that the surrender (14) at the end of the extractor belt (13) is arranged on the screen device (15) which lies below it. 5. Jordbehandlingsanlæg ifølge et af kravene 1 til 4, kendetegnet ved, at siindretningen (15) består af flere efter hinanden koblede sitrin med forskellige sigtetrin.Ground treatment plant according to one of Claims 1 to 4, characterized in that the screen device (15) consists of several successively coupled citrins with different screening steps. 6. Jordbehandlingsanlæg ifølge krav 5, kendetegnet ved, at sitrinnene er udformet i form af stangsizere og/eller sig-tedæk.A soil treatment plant according to claim 5, characterized in that the liner stages are formed in the form of rod sizers and / or screen decks. 7. Jordbehandlingsanlæg ifølge krav 5 eller 6, kendetegnet ved, at sitrinnene kan indstilles i deres sivinkel mod horisontalen.A soil treatment plant according to claim 5 or 6, characterized in that the citrels can be adjusted in their side angle to the horizontal. 8. Jordbehandlingsanlæg ifølge et af kravene 5 til 7, kendetegnet ved, at drevet for siindretningen (15) er udformet som en uba-lancefrembringer.A soil treatment plant according to one of claims 5 to 7, characterized in that the drive for the screen device (15) is designed as an imbalance generator. 9. Jordbehandlingsanlæg ifølge et af kravene 1 til 8, kendetegnet ved, at der over transportbåndet (17) er anbragt flere siloer (18), som optager forskellige tilsatsmaterialer.A soil treatment plant according to one of claims 1 to 8, characterized in that several silos (18) are arranged above the conveyor belt (17) which take up different additive materials. 10. Jordbehandlingsanlæg ifølge et af kravene 1 til 9, kendetegnet ved, at transportbåndet (17) er indrettet således, at dets hastighed kan reguleres.A soil treatment plant according to one of claims 1 to 9, characterized in that the conveyor belt (17) is arranged so that its speed can be controlled. 11. Jordbehandlingsanlæg ifølge et af kravene 1 til 10, kendetegnet ved, at blanderen (19) har to aksler (22), som er anbragt parallelt med hinanden i et hus, hvor der på de to aksler (22) er ophængt respektivt en flerhed af blandeværktøjer (23), som svinger på en sådan måde, at blandeværkøjerne (23) ved drejning af akslen (22) opstilles udad på grund af centrifugalkraften, og hvor akslernes drejeretning (22) er indstillet modsatrettet hinanden i retning mod materialeindløbet (20), som er anbragt over akslerne (22).Ground treatment plant according to one of claims 1 to 10, characterized in that the mixer (19) has two shafts (22) which are arranged parallel to each other in a housing in which the two shafts (22) are suspended respectively a plurality of mixing tools (23) which swing in such a way that the mixing tools (23) are turned outwards by rotation of the shaft (22) due to the centrifugal force, and the turning direction (22) of the shafts is set opposite to each other in the direction of the material inlet (20) which is arranged over the shafts (22). 12. Jordbehandlingsanlæg ifølge krav 11, kendetegnet ved, at der i blanderens (19) materialeindløb (20) er anbragt en føringsvæg (21), der holdes indstilleligt, til indstilling af forskellige indgangsparabler af det materiale, som føres ind i blanderen (19).A soil treatment plant according to claim 11, characterized in that in the material inlet (20) of the mixer (20) there is arranged a guide wall (21) which is adjustable for adjusting different input parabens of the material which is fed into the mixer (19). . 13. Jordbehandlingsanlæg ifølge krav 11 eller 12, kendetegnet ved, at de to aksler (22), som bærer blandeværktøjerne (23), er anbragt forskudt i forhold til hinanden i huset på en sådan måde, at det materiale, som føres gennem materialeindløbet (20), kastes fra blandeværktøjerne (23), som er anbragt på den første øvre aksel (22), til blandeværktøjerne (23), som befinder sig på den anden aksel, der er anbragt under den første aksel (22).A soil treatment plant according to claim 11 or 12, characterized in that the two shafts (22) carrying the mixing tools (23) are disposed in relation to each other in the housing in such a way that the material passed through the material inlet ( 20) are thrown from the mixing tools (23) disposed on the first upper shaft (22) to the mixing tools (23) located on the second shaft disposed below the first shaft (22). 14. Jordbehandlingsanlæg ifølge et af kravene 11 til 13, kendetegnet ved, at der i et mellemrum mellem blandeværktøjerne (23), der er opstillet ved hjælp af centrifugalkraften, er anbragt en homogeniseringsliste (24), som er orienteret parallelt med akslerne (22).A soil treatment plant according to one of claims 11 to 13, characterized in that a homogenisation strip (24) oriented parallel to the shafts (22) is arranged in a gap between the mixing tools (23) arranged by the centrifugal force. . 15. Jordbehandlingsanlæg ifølge et af kravene 1 til 14, kendetegnet ved, at der er tilvejebragt indretninger til tilsætning af væsker, hvortil der er tilsat mikrober, i området ved blanderen (19) og/eller transportbåndet (17) og/eller produktbåndet (25).A soil treatment plant according to one of claims 1 to 14, characterized in that devices are provided for adding liquids to which microbes have been added, in the area of the mixer (19) and / or the conveyor belt (17) and / or the product belt (25). ).
DK06003553.2T 2005-03-02 2006-02-22 Mobile soil compacting plant DK1698732T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520003569 DE202005003569U1 (en) 2005-03-02 2005-03-02 Mobile ground treatment compact system

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DK1698732T3 true DK1698732T3 (en) 2015-08-10

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DE (1) DE202005003569U1 (en)
DK (1) DK1698732T3 (en)
PL (1) PL1698732T3 (en)

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Publication number Priority date Publication date Assignee Title
FR2932703B1 (en) * 2008-06-18 2011-07-01 Rem Innovation METHOD FOR RECYCLING AND PROCESSING GROUND FLOWS AND INSTALLATION FOR IMPLEMENTING THE METHOD

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Publication number Priority date Publication date Assignee Title
EP1433530A1 (en) * 2001-09-28 2004-06-30 Hitachi Construction Machinery Co., Ltd. Self-propelled recycling machine, and base unit and base frame of the self-propelled recycling machine
FR2833194B1 (en) * 2001-12-07 2004-09-24 Auxiliaire D Entpr S Soc DEVICE AND METHOD FOR TREATING MINERAL MATERIALS SUCH AS LAND OR RECOVERY MATERIAL
DE20210666U1 (en) * 2002-07-10 2002-11-28 Josef Kloesters Kg Sand Und Ki System for conditioning moist cohesive masses

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EP1698732A1 (en) 2006-09-06
DE202005003569U1 (en) 2005-06-30
EP1698732B1 (en) 2015-05-06
PL1698732T3 (en) 2015-12-31

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