EP2364222B1 - Mobile crusher - Google Patents

Mobile crusher Download PDF

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Publication number
EP2364222B1
EP2364222B1 EP09764691.3A EP09764691A EP2364222B1 EP 2364222 B1 EP2364222 B1 EP 2364222B1 EP 09764691 A EP09764691 A EP 09764691A EP 2364222 B1 EP2364222 B1 EP 2364222B1
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EP
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Prior art keywords
crusher
conveyor
frame
charging
side end
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EP09764691.3A
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German (de)
French (fr)
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EP2364222A1 (en
Inventor
Claus-Jürgen BUTTER
Frank Feger
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FLSmidth AS
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FLSmidth AS
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B02C21/02—Transportable disintegrating plant
    • B02C21/026—Transportable disintegrating plant self-propelled

Definitions

  • the invention relates to a mobile crushing plant for lumpy goods, comprising a frame provided with at least one chassis, a crusher arranged on the frame with a discharge opening for broken material, a mounted on the frame feed conveyor for feeding the crusher and a discharge conveyor, whose task-side end below the discharge of the crusher is arranged.
  • a mobile crushing plant for lumpy goods comprising a frame provided with at least one chassis, a crusher arranged on the frame with a discharge opening for broken material, a mounted on the frame feed conveyor for feeding the crusher and a discharge conveyor, whose task-side end below the discharge of the crusher is arranged.
  • Such a device is off DE3612210 or WO2004018106 known.
  • the material obtained in mining with the various mining and mining techniques is generally very inhomogeneous with respect to the size of the rocks and, in particular, very large chunks are often present in the crushed material which are not suitable for transport on conveyor belts.
  • the lumpy crushing material for example, ores (iron ore, brown iron ore, copper ore, gold ore), rocks (granite, rock, gypsum, serpentine, limestone), hard coal, oil shale, marl, clay and overburden reduce to a desired, predetermined maximum grain size.
  • Such comminution devices may be formed as a continuous crusher, wherein mostly continuous feeders and in particular plate belt conveyors are used for their feed.
  • the slat conveyor convey the material to be crushed in the sequence in the range of impact of crushing or impact rollers, with such crushing trains are known in which in the conveying direction one after the other a plurality of such crushing and impact rollers come into effect.
  • the mobile crusher also has an integrated discharge device, which is usually designed as a conveyor belt, with which crushed by the crusher Good can be transferred to a separate stationary conveyor.
  • Mobile crushers have become known in a variety of training. From the AT-B 388 968 a movable crushing plant is known, in which the material to be crushed fed to a feed container and passed to a downstream discharge conveyor with the interposition of a crushing device.
  • the temporarily supported feed container and the downstream discharge conveyor are formed cantilevered to the crawler chassis.
  • the downstream discharge conveyor is articulated on a projecting frame part of the crusher below the transfer hopper. Due to the cantilevered arrangement of the hopper and the ejection conveyor, especially when loading the hopper, results due to the high weight of the material to be crushed a considerable swinging motion not only of the feed side end, but in particular also the discharge conveyor, what the removal and the life of the entire Machine or various machine parts impaired.
  • the transport mechanism here consists of one with a height-adjustable, lifting table caterpillar track.
  • the cantilevered hopper is associated with a lowerable pendulum support, which can adapt to possible unevenness of the planum, so that the impact pulse is intercepted directly under the container.
  • a loading container has become known, which is fixed rigidly to a supporting structure formed by the crawler chassis and a frame.
  • the present invention aims to design a mobile crusher system such that expensive support structures can be dispensed with, wherein the overhanging discharge conveyor should still be kept free of vibration loads.
  • the mobile crusher of the type mentioned is substantially further developed such that the discharge conveyor of the crusher decoupled as provided with its own chassis, separately movable unit is formed.
  • the discharge conveyor is not stored on the same frame, as the feed conveyor and the crusher, any vibrations that occur when abandonment of lumpy Good on the feed conveyor, not transferred to the ejection conveyor.
  • this load is much more uniform than the impact load of the not yet crushed, lumpy Guts caused dynamic load, so that the Abschun Marie adopted is exposed to substantially no vibration load.
  • the discharge conveyor is provided with its own chassis, a much more flexible use of the discharge conveyor is possible.
  • the discharge conveyor can be arranged in various positions and orientations relative to the crusher, whereby a discharge of the crushed material in a range laterally outside the degraded route is made possible in a simple manner.
  • almost any ejection conveyors can be used, the only requirement being that the feed-side end of the ejection conveyor can be placed under the discharge opening of the crusher.
  • the feed-side end of the feed conveyor device preferably has a feed container, in particular a bunker.
  • a feed container in particular a bunker.
  • at least one landing gear is fixed to the task-side end region of the frame.
  • the task-side end region of the frame is in this case the region of the frame which is adjacent to the feed end of the feed conveyor.
  • the training is in this case made such that the fixed at the task-side end portion of the frame landing gear is located below the feed container.
  • At least one further running gear is fixed to the crusher-side end region of the frame.
  • An optimal support is achieved according to a preferred embodiment when the trolleys have three supports for the frame, which span a triangle. It can be provided with advantage that the at the end of the task side the chassis fixed chassis on both sides outside the projection of the feed conveyor each having a support and fixed to the crusher end portion of the frame chassis has a central support. In this way, a support triangle is formed, so that a correspondingly stable support is ensured.
  • the trolleys are each pivotally connected to the frame about a horizontally and transversely to the conveying direction pendulum pin.
  • the feed conveyor may preferably be formed by a conveyor belt, in particular a plate belt.
  • the mobility is preferably ensured by the fact that the or the chassis (s) of the crusher and / or the chassis of the discharge conveyor is designed as a crawler chassis (are).
  • the chassis can also be designed as a walking mechanism.
  • the ejection conveyor device Due to the design of the ejection conveyor device as a separate unit essentially any ejection conveyor devices can be used, wherein preferably the ejection conveyor device has at least one, preferably two projecting from a movable frame discharge conveyor.
  • the discharge conveyor can be designed as a bridge conveyor, in particular bridge belt conveyor.
  • bridge conveyor in particular bridge belt conveyor.
  • the conveyor (s) of the discharge conveyor is arranged pivotable relative to the chassis of the discharge conveyor about a vertical axis of rotation.
  • the existing crusher and feed conveyor unit can be designed to be particularly low construction, which only need to be provided that the task-side end of the discharge conveyor is decoupled from the crusher below a cantilever frame supporting the crusher.
  • FIG. 1 a side view of the crusher plant according to the present invention
  • Fig. 2 a top view of the crusher system according to the invention with a mining device in transfer position
  • Fig. 3 a side view of the feed conveyor with the crusher
  • Fig. 4 a top view of the feed conveyor
  • Fig. 5 a front view, partly in section, of the charging device
  • Fig. 6 a modified embodiment in which the discharge conveyor is designed as a bridge belt conveyor
  • Fig. 1 1 is a crusher plant according to the present invention, wherein the crusher 1 consists of a feed conveyor 2 and a discharge conveyor 3.
  • the feed conveyor 2 has at its feed side end a feed container in the form of a bunker 4, in which the degraded material is filled by the mining equipment.
  • the material in bunker 4 is about a plate conveyor 5 is conveyed to the crusher 6, in which the material is comminuted and transferred in the sequence the task-side end 7 of the discharge conveyor 3.
  • the ejection conveyor 3 has two cantilevered, substantially horizontally pivotable arms 8 and 9, which can be flexibly selected by the method of the ejection conveyor 3 by means of the crawler track 10, the point of the task and the discharge of funded by the discharge conveyor 3 material.
  • Fig. 2 It can now be seen that the feed conveyor 2 is positioned with the bunker 4 in the vicinity of a mining device 11 and the arm 8 of the discharge conveyor 3 is disposed below the discharge end of the feed conveyor 2 and in particular under the crusher 6. The mined material is thus conveyed from the bunker 4 via the plate conveyor 5 through the crusher 6 and the arms 8 and 9 of the discharge conveyor on a stationary discharge, which is shown only schematically and designated 12.
  • a crawler track 21 is arranged, which can absorb the forces occurring during loading of the feed conveyor optimally, so that vibrations due to the impact pulse can be largely avoided here.
  • the conveyor 5 is in this case designed as a plate belt conveyor whose discharge end 13 is arranged above the crusher 6. After the material has passed the crusher 6, it is the task end 7 of the cantilever arm 8 of the discharge conveyor 3 passed and further promoted. It is essential here that between the crusher 6 and a downstream discharge hopper 17 and the cantilever arm 8 of the discharge conveyor 3 no solid or no connection exists, so that no vibrations are transmitted to the discharge conveyor 3 by the projection of a discharge belt located on the frame.
  • the material, which Leaving the crusher 6 through the discharge hopper 17 is generally of homogeneous grain size, so that substantially no dynamic forces occur at the feed end 7 of the cantilever arm 8 of the discharge conveyor 3.
  • the crawler undercarriage pair 22 can be arranged closer to the longitudinal center axis of the feed conveyor, with such a configuration of the crawlers 21, 22 a total of very stable and also on uneven ground kippnostie three-point storage is achieved to the frame 20 of the crusher.
  • Fig. 5 can be seen on the example of the launch side, steerable crawler track 22 of the feed conveyor 2, that the individual crawlers 22 are arranged pivotable about a transverse to the conveying direction pendulum pin 15, which ensures increased off-road capability of the feed conveyor 2.
  • the frame 19 of the two crawlers 22 is mounted about a vertical axis 18 rotatably to the frame of the crusher.
  • a crusher 1 is shown in plan view, wherein the same reference numerals have been used as in the previous figures.
  • the discharge conveyor is designed here as a bridge belt conveyor 14.
  • Fig. 7a, b, c the bridge belt conveyor 14 is shown in different positions, wherein it is clear that this design can be adapted particularly well to terrain changes and especially good for overcoming terrain levels suitable is.
  • the bridge belt conveyor 14 is coupled to a arranged above the stationary conveyor belt 12 Strossenwagen 23 articulated (horizontal and vertical) as a fixed bearing and introduced via a trained on the frame of the second crawler 24 floating bearing 25 to the transfer point below the crusher.
  • the bridge belt conveyor 14 consists of a frame 26 with now a discharge device and can be adjusted according to the terrain between the mobile crusher and the stationary conveyor belt system 12 by the configuration of the two bearings.
  • the height-adjustable floating bearing 25 arranged next to the mobile crusher crawler chassis 24 allows lateral displacement, a horizontal rotation about a vertical axis and pivoting about a horizontal axis of the bridge belt 14 according to the arrows 27, 28 and 29.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Disintegrating Or Milling (AREA)

Description

Die Erfindung betrifft eine fahrbare Brecheranlage für stückiges Gut, umfassend einen mit wenigstens einem Fahrwerk versehenen Rahmen, einen am Rahmen angeordneten Brecher mit einer Austragsöffnung für gebrochenes Material, eine am Rahmen gelagerte Beschickungsfördereinrichtung zum Beschicken des Brechers und eine Abwurffördereinrichtung, deren aufgabeseitiges Ende unterhalb der Austragsöffnung des Brechers angeordnet ist. Eine derartige Vorrichtung ist aus DE3612210 oder WO2004018106 bekannt. Das im Bergbau mit den verschiedenen Abbaumaschinen und Abbauverfahren gewonnene Material ist im Allgemeinen hinsichtlich der Größe der Gesteinsbrocken überaus inhomogen und insbesondere liegen im gebrochenen Material häufig sehr große Brocken vor, die nicht zur Förderung auf Förderbändern geeignet sind. Es ist daher in den meisten Fällen erforderlich, Zerkleinerungsvorrichtungen einzusetzen, die stückiges Zerkleinerungsmaterial, beispielsweise Erze (Eisenerz, Brauneisenerz, Kupfererz, Golderz), Gesteine (Granit, Felsgestein, Gipsgestein, Serpentingestein, Kalkstein), Steinkohle, Ölschiefer, Mergel, Ton und Abraum auf eine gewünschte, vorgegebene maximale Korngröße reduzieren.The invention relates to a mobile crushing plant for lumpy goods, comprising a frame provided with at least one chassis, a crusher arranged on the frame with a discharge opening for broken material, a mounted on the frame feed conveyor for feeding the crusher and a discharge conveyor, whose task-side end below the discharge of the crusher is arranged. Such a device is off DE3612210 or WO2004018106 known. The material obtained in mining with the various mining and mining techniques is generally very inhomogeneous with respect to the size of the rocks and, in particular, very large chunks are often present in the crushed material which are not suitable for transport on conveyor belts. It is therefore in most cases necessary to use crushing devices, the lumpy crushing material, for example, ores (iron ore, brown iron ore, copper ore, gold ore), rocks (granite, rock, gypsum, serpentine, limestone), hard coal, oil shale, marl, clay and overburden reduce to a desired, predetermined maximum grain size.

Es ist bekannt, mobile Brechanlagen einzusetzen, welche unmittelbar an der Gewinnungsstelle durch die Abbaugeräte, beispielsweise Löffelbagger, beladen werden und dem Abbaufortschritt folgen. Derartige Zerkleinerungseinrichtungen können als Durchlaufbrecher ausgebildet sein, wobei zumeist zu deren Beschickung Stetigförderer und insbesondere Plattenbandförderer eingesetzt werden. Die Plattenbandförderer fördern das zu zerkleinernde Material in der Folge in den Wirkungsbereich von Brech- oder Schlagwalzen, wobei bei derartigen Brechanlagen Ausbildungen bekannt sind, bei welchen in Förderrichtung hintereinander eine Mehrzahl derartiger Brech- und Schlagwalzen zur Wirkung gelangen. Die mobile Brecheranlage weist weiters eine integrierte Abfördereinrichtung auf, die meist als Förderband ausgebildet ist, mit welcher vom Brecher zerkleinertes Gut auf einen gesonderten stationären Förderer übergeben werden kann.It is known to use mobile crushing plants, which are loaded directly at the extraction point by the mining equipment, such as backhoes, and follow the mining progress. Such comminution devices may be formed as a continuous crusher, wherein mostly continuous feeders and in particular plate belt conveyors are used for their feed. The slat conveyor convey the material to be crushed in the sequence in the range of impact of crushing or impact rollers, with such crushing trains are known in which in the conveying direction one after the other a plurality of such crushing and impact rollers come into effect. The mobile crusher also has an integrated discharge device, which is usually designed as a conveyor belt, with which crushed by the crusher Good can be transferred to a separate stationary conveyor.

Fahrbare Brecheranlagen sind in den verschiedensten Ausbildungen bekannt geworden. Aus der AT-B 388 968 ist eine verfahrbare Zerkleinerungsanlage bekannt, bei der das zu zerkleinernde Material einem Beschickungsbehälter zugeführt und einem nachgeschalteten Abwurfförderer unter Zwischenschaltung einer Zerkleinerungseinrichtung übergeben wird. Der temporär abgestützte Beschickungsbehälter und der nachgeschaltete Abwurfförderer sind auskragend zum Raupenfahrwerk ausgebildet. Der nachgeschaltete Abwurfförderer wird an einem auskragenden Rahmenteil der Brecheranlage unterhalb des Übergabetrichters gelenkig angeordnet. Aufgrund der auskragenden Anordnung des Beschickungsbehälters und des Abwurfförderers, insbesondere beim Beladen des Beschickungsbehälters, ergibt sich aufgrund des hohen Gewichts des zu zerkleinernden Gutes eine nicht unerhebliche Schwingbewegung nicht nur des beschickungsseitigen Endes, sondern insbesondere auch des Abwurfförderers, was die Abförderung sowie die Lebensdauer der gesamten Maschine bzw. verschiedener Maschinenteile beeinträchtigt. Es sind daher bereits verschiedenste Maßnahmen vorgeschlagen worden, um eine derartige Schwingungsbelastung zu vermeiden. Beispielsweise ist aus der DE 36 08 789 A1 eine temporäre Abstützung für den Beschickungsbehälter beschrieben. Das Transportwerk besteht hier aus einem mit einem höhenveränderlichen, hubtischversehenen Raupenfahrwerk. Bei der Vorrichtung gemäß der DE 10 2006 059 876 A1 ist vorgesehen, dass dem auskragenden Beschickungsbehälter eine absenkbare Pendelstütze zugeordnet ist, die sich an mögliche Unebenheiten des Planums anpassen kann, sodass der Aufprallimpuls direkt unter dem Behälter abgefangen wird.Mobile crushers have become known in a variety of training. From the AT-B 388 968 a movable crushing plant is known, in which the material to be crushed fed to a feed container and passed to a downstream discharge conveyor with the interposition of a crushing device. The temporarily supported feed container and the downstream discharge conveyor are formed cantilevered to the crawler chassis. The downstream discharge conveyor is articulated on a projecting frame part of the crusher below the transfer hopper. Due to the cantilevered arrangement of the hopper and the ejection conveyor, especially when loading the hopper, results due to the high weight of the material to be crushed a considerable swinging motion not only of the feed side end, but in particular also the discharge conveyor, what the removal and the life of the entire Machine or various machine parts impaired. Therefore, various measures have already been proposed in order to avoid such a vibration load. For example, is from the DE 36 08 789 A1 a temporary support for the hopper described. The transport mechanism here consists of one with a height-adjustable, lifting table caterpillar track. In the device according to the DE 10 2006 059 876 A1 it is envisaged that the cantilevered hopper is associated with a lowerable pendulum support, which can adapt to possible unevenness of the planum, so that the impact pulse is intercepted directly under the container.

Aus der DE 10 2007 039 766 A1 ist ein Beschickungsbehälter bekannt geworden, der starr an einer von dem Raupenfahrwerk und einem Rahmen gebildeten Tragkonstruktion festgelegt ist.From the DE 10 2007 039 766 A1 a loading container has become known, which is fixed rigidly to a supporting structure formed by the crawler chassis and a frame.

Aus der WO 99/54049 ist eine Bauweise eines fahrbaren Brechers bekannt geworden, bei der während des Förderbetriebs der Rahmen mit dem Beschickungsbehälter am Boden aufliegt. Für den Fahrbetrieb wird der Rahmen mittels eines heb- und senkbaren Raupenfahrwerks gehoben. Auch aus der WO 2008/032057 A2 ist eine gesonderte Abstützung für den Beschickungsbehälter vorgesehen, um Schwingungen infolge des Aufprallimpulses der gesamten Vorrichtung zu vermeiden.From the WO 99/54049 a construction of a mobile crusher has become known, in which rests during the conveying operation of the frame with the hopper on the ground. For driving the frame is lifted by means of a raised and lowered crawler chassis. Also from the WO 2008/032057 A2 a separate support for the loading container is provided in order to avoid vibrations due to the impact pulse of the entire device.

Beim Stand der Technik sind somit in der Regel mehr oder minder aufwendige Stützkonstruktionen für das beschickungsseitige Ende der verfahrbaren Brecheranlage vorgesehen, um den Aufprallimpuls beim Beladen des Beschickungsbehälters aufzunehmen. Die vorliegende Erfindung zielt darauf ab, eine fahrbare Brecheranlage derart auszubilden, dass auf aufwendige Abstützkonstruktionen verzichtet werden kann, wobei der auskragende Abwurfförderer dennoch von Schwingungsbelastungen freigehalten werden soll.In the prior art thus more or less complex support structures for the feed side end of the movable crusher are thus usually provided to absorb the impact pulse during loading of the hopper. The present invention aims to design a mobile crusher system such that expensive support structures can be dispensed with, wherein the overhanging discharge conveyor should still be kept free of vibration loads.

Zur Lösung dieser Aufgabe ist die fahrbare Brecheranlage der eingangs genannten Art im Wesentlichen derart weitergebildet, dass die Abwurffördereinrichtung von der Brecheranlage entkoppelt als mit einem eigenen Fahrwerk versehene, gesondert verfahrbare Einheit ausgebildet ist. Dadurch, dass die Abwurffördereinrichtung nicht am gleichen Rahmen gelagert ist, wie die Beschickungsfördereinrichtung und der Brecher, werden allfällige Schwingungen, die beim Aufgeben von stückigem Gut auf die Beschickungsfördereinrichtung auftreten, nicht auf die Abwurffördereinrichtung übertragen. Es ist daher keine starre Verbindung zwischen der Beschickungsfördereinrichtung und dem Brecher einerseits und der Abwurffördereinrichtung andererseits vorhanden, sodass das aufgabeseitige Ende der Abwurffördereinrichtung lediglich durch den Aufprall des aus der Austragsöffnung des Brechers herabfallenden zerkleinerten Materials belastet wird. Diese Belastung ist jedoch wesentlich gleichmäßiger als die durch die Aufprallimpulse des noch nicht zerkleinerten, stückigen Guts verursachte dynamische Belastung, sodass die Abwurffördereinrichtung im Wesentlichen keiner Schwingungsbelastung ausgesetzt ist. Dadurch, dass die Abwurffördereinrichtung mit einem eigenen Fahrwerk versehen ist, wird ein wesentlich flexiblerer Einsatz der Abwurffördereinrichtung ermöglicht. Insbesondere kann die Abwurffördereinrichtung in verschiedenen Positionen und Ausrichtungen relativ zum Brecher angeordnet werden, wodurch in einfacher Weise eine Abförderung des zerkleinerten Materials in einem Bereich seitlich außerhalb der abgebauten Strecke ermöglicht wird. Weiters können nahezu beliebige Abwurffördereinrichtungen zum Einsatz gelangen, wobei die einzige Vorgabe diejenige ist, dass das aufgabeseitige Ende der Abwurffördereinrichtung unter der Austragsöffnung des Brechers platziert werden kann.To solve this problem, the mobile crusher of the type mentioned is substantially further developed such that the discharge conveyor of the crusher decoupled as provided with its own chassis, separately movable unit is formed. Characterized in that the discharge conveyor is not stored on the same frame, as the feed conveyor and the crusher, any vibrations that occur when abandonment of lumpy Good on the feed conveyor, not transferred to the ejection conveyor. There is therefore no rigid connection between the feed conveyor and the crusher on the one hand and the discharge conveyor on the other hand present, so that the task-side end of the discharge conveyor is charged only by the impact of falling from the discharge opening of the crusher crushed material. However, this load is much more uniform than the impact load of the not yet crushed, lumpy Guts caused dynamic load, so that the Abwurffördereinrichtung is exposed to substantially no vibration load. Characterized in that the discharge conveyor is provided with its own chassis, a much more flexible use of the discharge conveyor is possible. In particular, the discharge conveyor can be arranged in various positions and orientations relative to the crusher, whereby a discharge of the crushed material in a range laterally outside the degraded route is made possible in a simple manner. Furthermore, almost any ejection conveyors can be used, the only requirement being that the feed-side end of the ejection conveyor can be placed under the discharge opening of the crusher.

Wie an sich bekannt, weist das aufgabeseitige Ende der Beschickungsfördereinrichtung bevorzugt einen Beschickungsbehälter, insbesondere einen Bunker auf. Um die beim Beladen der Beschickungsfördereinrichtung, insbesondere des Beschickungsbehälters, auftretenden Aufprallimpulse aufzunehmen, ist gemäß einer bevorzugten Weiterbildung vorgesehen, dass wenigstens ein Fahrwerk am aufgabeseitigen Endbereich des Rahmens festgelegt ist. Der aufgabeseitige Endbereich des Rahmens ist hierbei derjenige Bereich des Rahmens, welcher dem Aufgabeende der Beschickungsfördereinrichtung benachbart ist. Die Ausbildung ist hierbei derart getroffen, dass das am aufgabeseitigen Endbereich des Rahmens festgelegte Fahrwerk unterhalb des Beschickungsbehälters angeordnet ist.As is known per se, the feed-side end of the feed conveyor device preferably has a feed container, in particular a bunker. In order to absorb the impact impulses occurring during loading of the feed conveyor device, in particular of the feed container, it is provided according to a preferred development that at least one landing gear is fixed to the task-side end region of the frame. The task-side end region of the frame is in this case the region of the frame which is adjacent to the feed end of the feed conveyor. The training is in this case made such that the fixed at the task-side end portion of the frame landing gear is located below the feed container.

Um eine ausreichende Stabilität der Vorrichtung sicherzustellen, ist gemäß einer weiteren bevorzugten Ausbildung vorgesehen, dass wenigstens ein weiteres Fahrwerk am brecherseitigen Endbereich des Rahmens festgelegt ist.In order to ensure sufficient stability of the device, it is provided according to a further preferred embodiment that at least one further running gear is fixed to the crusher-side end region of the frame.

Eine optimale Abstützung wird gemäß einer bevorzugten Weiterbildung dann erreicht, wenn die Fahrwerke drei Auflager für den Rahmen aufweisen, die ein Dreieck aufspannen. Hierbei kann mit Vorteil vorgesehen sein, dass das am aufgabeseitigen Endbereich des Rahmens festgelegte Fahrwerk zu beiden Seiten außerhalb der Projektion der Beschickungsfördereinrichtung jeweils ein Auflager aufweist und das am brecherseitigen Endbereich des Rahmens festgelegte Fahrwerk ein mittiges Auflager aufweist. Auf diese Art und Weise wird ein Stützdreieck ausgebildet, sodass eine entsprechend stabile Abstützung gewährleistet wird.An optimal support is achieved according to a preferred embodiment when the trolleys have three supports for the frame, which span a triangle. It can be provided with advantage that the at the end of the task side the chassis fixed chassis on both sides outside the projection of the feed conveyor each having a support and fixed to the crusher end portion of the frame chassis has a central support. In this way, a support triangle is formed, so that a correspondingly stable support is ensured.

Um etwaigen Unebenheiten des Bodens der Abbaustrecke Rechnung zu tragen, ist gemäß einer bevorzugten Weiterbildung vorgesehen, dass die Fahrwerke jeweils um einen horizontal und quer zur Förderrichtung verlaufenden Pendelzapfen schwenkbar mit dem Rahmen verbunden sind.In order to take account of any unevenness of the soil of the mining route, it is provided according to a preferred development that the trolleys are each pivotally connected to the frame about a horizontally and transversely to the conveying direction pendulum pin.

Wie an sich bekannt, kann die Beschickungsfördereinrichtung bevorzugt von einem Förderband, insbesondere einem Plattenband gebildet sein.As known per se, the feed conveyor may preferably be formed by a conveyor belt, in particular a plate belt.

Die Verfahrbarkeit wird bevorzugt dadurch sichergestellt, dass das bzw. die Fahrwerk(e) des Brechers und/oder das Fahrwerk der Abwurffördereinrichtung als Raupenfahrwerk ausgebildet ist (sind). Alternativ kann das Fahrwerk auch als Schreitwerk ausgebildet sein.The mobility is preferably ensured by the fact that the or the chassis (s) of the crusher and / or the chassis of the discharge conveyor is designed as a crawler chassis (are). Alternatively, the chassis can also be designed as a walking mechanism.

Aufgrund der Ausbildung der Abwurffördereinrichtung als gesonderte Einheit können im Wesentlichen beliebige Abwurffördereinrichtungen zum Einsatz gelangen, wobei bevorzugt die Abwurffördereinrichtung wenigstens einen, vorzugsweise zwei von einem verfahrbaren Rahmen auskragende Abförderer aufweist.Due to the design of the ejection conveyor device as a separate unit essentially any ejection conveyor devices can be used, wherein preferably the ejection conveyor device has at least one, preferably two projecting from a movable frame discharge conveyor.

In einer weiteren bevorzugten Ausbildung kann die Abwurffördereinrichtung als Brückenförderer, insbesondere Brückenbandförderer ausgebildet sein. Gegenüber der Ausführungsform mit zwei von einem verfahrbaren Rahmen auskragenden Abförderern ist dadurch eine wesentliche technische Vereinfachung der Weiterbeförderung des Materials gegeben, da das aufgabeseitige und das abgabeseitige Ende des weiterführenden Förderers an den Endpunkten gelagert wird und an eine Geländeänderung angepasst werden kann.In a further preferred embodiment, the discharge conveyor can be designed as a bridge conveyor, in particular bridge belt conveyor. Compared to the embodiment with two discharge conveyors projecting from a movable frame, this results in a substantial technical simplification of the further transport of the material, since the delivery side and the delivery side end of the continuing conveyor are at the end points is stored and can be adapted to a change in terrain.

Um eine Verschwenkung der Abförderer und insbesondere eine Einstellung der Förderrichtung zu ermöglichen, ist bevorzugt vorgesehen, dass die Fördereinrichtung(en) des Abwurfförderers relativ zum Fahrwerk des Abwurfförderers um eine vertikale Drehachse schwenkbar angeordnet ist.In order to enable a pivoting of the discharge conveyor and in particular an adjustment of the conveying direction, it is preferably provided that the conveyor (s) of the discharge conveyor is arranged pivotable relative to the chassis of the discharge conveyor about a vertical axis of rotation.

Insgesamt kann die aus Brecher und Beschickungsfördereinrichtung bestehende Einheit besonders niedrig bauend ausgeführt sein, wobei lediglich vorgesehen sein muss, dass das aufgabeseitige Ende des Abwurfförderers von der Brecheranlage entkoppelt unterhalb eines den Brecher tragenden auskragenden Rahmenteils angeordnet ist.Overall, the existing crusher and feed conveyor unit can be designed to be particularly low construction, which only need to be provided that the task-side end of the discharge conveyor is decoupled from the crusher below a cantilever frame supporting the crusher.

Die Erfindung wird nachfolgend anhand von in der Zeichnung schematisch dargestellten Ausführungsbeispielen näher erläutert. In dieser zeigen Fig. 1 eine Seitenansicht der Brecheranlage gemäß der vorliegenden Erfindung, Fig. 2 eine Draufsicht auf die erfindungsgemäße Brecheranlage mit einem Abbaugerät in Übergabeposition, Fig. 3 eine Seitenansicht der Beschickungsfördereinrichtung mit dem Brecher, Fig. 4 eine Draufsicht auf die Beschickungsfördereinrichtung, Fig. 5 eine Vorderansicht, teilweise im Schnitt, der Beschickungseinrichtung, Fig. 6 eine abgewandelte Ausbildung, bei welcher die Abwurffördereinrichtung als Brückenbandförderer ausgebildet ist, und Fig. 7a, b, c den Brückenförderer in Seitenansicht in unterschiedlichen Stellungen.The invention will be explained in more detail with reference to embodiments shown schematically in the drawing. In this show Fig. 1 a side view of the crusher plant according to the present invention, Fig. 2 a top view of the crusher system according to the invention with a mining device in transfer position, Fig. 3 a side view of the feed conveyor with the crusher, Fig. 4 a top view of the feed conveyor, Fig. 5 a front view, partly in section, of the charging device, Fig. 6 a modified embodiment in which the discharge conveyor is designed as a bridge belt conveyor, and Fig. 7a, b, c the bridge conveyor in side view in different positions.

In Fig. 1 ist mit 1 eine Brecheranlage gemäß der vorliegenden Erfindung bezeichnet, wobei die Brecheranlage 1 aus einer Beschickungsfördereinrichtung 2 und einer Abwurffördereinrichtung 3 besteht. Die Beschickungsfördereinrichtung 2 weist an ihrem aufgabeseitigen Ende einen Beschickungsbehälter in Form eines Bunkers 4 auf, in welchen das abgebaute Material vom Abbaugerät gefüllt wird. Das im Bunker 4 befindliche Material wird über einen Plattenförderer 5 zum Brecher 6 gefördert, in welchem das Material zerkleinert und in der Folge dem aufgabeseitigen Ende 7 der Abwurffördereinrichtung 3 übergeben wird. Die Abwurffördereinrichtung 3 weist zwei auskragende, im Wesentlichen horizontal schwenkbare Arme 8 und 9 auf, über welche durch das Verfahren der Abwurffördereinrichtung 3 mittels des Raupenfahrwerks 10 der Punkt der Aufgabe und des Abwurfs des durch die Abfördereinrichtung 3 geförderten Materials flexibel gewählt werden kann.In Fig. 1 1 is a crusher plant according to the present invention, wherein the crusher 1 consists of a feed conveyor 2 and a discharge conveyor 3. The feed conveyor 2 has at its feed side end a feed container in the form of a bunker 4, in which the degraded material is filled by the mining equipment. The material in bunker 4 is about a plate conveyor 5 is conveyed to the crusher 6, in which the material is comminuted and transferred in the sequence the task-side end 7 of the discharge conveyor 3. The ejection conveyor 3 has two cantilevered, substantially horizontally pivotable arms 8 and 9, which can be flexibly selected by the method of the ejection conveyor 3 by means of the crawler track 10, the point of the task and the discharge of funded by the discharge conveyor 3 material.

In Fig. 2 ist nun zu erkennen, dass die Beschickungsfördereinrichtung 2 mit dem Bunker 4 in der Nähe eines Abbaugerätes 11 positioniert ist und der Arm 8 der Abwurffördereinrichtung 3 unter dem Abwurfende der Beschickungsfördereinrichtung 2 und insbesondere unter dem Brecher 6 angeordnet ist. Das abgebaute Material wird also vom Bunker 4 über den Plattenförderer 5 durch den Brecher 6 und über die Arme 8 und 9 der Abwurffördereinrichtung auf ein stationäres Abfördermittel gefördert, welches lediglich schematisch dargestellt und mit 12 bezeichnet ist.In Fig. 2 It can now be seen that the feed conveyor 2 is positioned with the bunker 4 in the vicinity of a mining device 11 and the arm 8 of the discharge conveyor 3 is disposed below the discharge end of the feed conveyor 2 and in particular under the crusher 6. The mined material is thus conveyed from the bunker 4 via the plate conveyor 5 through the crusher 6 and the arms 8 and 9 of the discharge conveyor on a stationary discharge, which is shown only schematically and designated 12.

In Fig. 3 ist ersichtlich, dass bei der Beschickungsfördereinrichtung 2 unterhalb des Bunkers 4 ein Raupenfahrwerk 21 angeordnet ist, welches die beim Beschicken der Beschickungsfördereinrichtung auftretenden Kräfte optimal aufnehmen kann, sodass Vibrationen infolge des Aufprallimpulses hier weitgehend vermieden werden können. Das Fördermittel 5 ist hierbei als Plattenbandförderer ausgebildet, dessen Abwurfende 13 oberhalb des Brechers 6 angeordnet ist. Nachdem das Material den Brecher 6 passiert hat, wird es dem Aufgabeende 7 des auskragenden Armes 8 der Abwurffördereinrichtung 3 übergeben und weitergefördert. Wesentlich ist hierbei, dass zwischen der Brecheranlage 6 bzw. einem nachgeschalteten Abwurftrichter 17 und dem auskragenden Arm 8 der Abwurffördereinrichtung 3 keine feste oder gar keine Verbindung besteht, sodass hier keine Vibrationen auf die Abwurffördereinrichtung 3 durch das Auskragen eines am Rahmen befindlichen Abwurfbandes übertragen werden. Das Material, welches den Brecher 6 durch den Abwurftrichter 17 verlässt, ist im Allgemeinen von homogener Korngröße, sodass im Wesentlichen keine dynamischen Kräfte am Aufgabeende 7 des auskragenden Arms 8 der Abwurffördereinrichtung 3 auftreten.In Fig. 3 it can be seen that in the feed conveyor 2 below the bunker 4, a crawler track 21 is arranged, which can absorb the forces occurring during loading of the feed conveyor optimally, so that vibrations due to the impact pulse can be largely avoided here. The conveyor 5 is in this case designed as a plate belt conveyor whose discharge end 13 is arranged above the crusher 6. After the material has passed the crusher 6, it is the task end 7 of the cantilever arm 8 of the discharge conveyor 3 passed and further promoted. It is essential here that between the crusher 6 and a downstream discharge hopper 17 and the cantilever arm 8 of the discharge conveyor 3 no solid or no connection exists, so that no vibrations are transmitted to the discharge conveyor 3 by the projection of a discharge belt located on the frame. The material, which Leaving the crusher 6 through the discharge hopper 17 is generally of homogeneous grain size, so that substantially no dynamic forces occur at the feed end 7 of the cantilever arm 8 of the discharge conveyor 3.

Wie aus Fig. 4 ersichtlich, ist das Raupenfahrwerk 21, welches nahe dem Aufgabebunker 4 angeordnet ist, so festgelegt, dass die einzelnen Raupenfahrwerke außerhalb der Projektion der Beschickungsfördereinrichtung 2 zu liegen kommen, was eine überaus kippstabile Abstützung der Beschickungseinrichtung an dem dynamischen Lasten ausgelieferten, aufgabeseitigen Ende ermöglicht. Am abwurfseitigen Ende der Beschickungsfördereinrichtung 2 kann das Raupenfahrwerkspaar 22 näher der Längsmittelachse der Beschickungsfördereinrichtung angeordnet sein, wobei mit einer solchen Konfiguration der Raupenfahrwerke 21, 22 eine insgesamt überaus stabile und auch auf unebenem Boden kippsichere Dreipunktlagerung zum Rahmen 20 der Brecheranlage erreicht wird.How out Fig. 4 it can be seen, the crawler undercarriage 21, which is arranged near the task bunker 4, set so that the individual crawlers come to rest outside the projection of the feed conveyor 2, which allows a very stable tilt support of the feeder to the dynamic loads delivered, task-side end. At the discharge end of the feed conveyor 2, the crawler undercarriage pair 22 can be arranged closer to the longitudinal center axis of the feed conveyor, with such a configuration of the crawlers 21, 22 a total of very stable and also on uneven ground kippsichere three-point storage is achieved to the frame 20 of the crusher.

In Fig. 5 ist am Beispiel des abwurfseitigen, lenkbaren Raupenfahrwerks 22 der Beschickungsfördereinrichtung 2 zu erkennen, dass die einzelnen Raupenfahrwerke 22 um einen quer zur Förderrichtung verlaufenden Pendelzapfen 15 verschwenkbar angeordnet sind, was eine erhöhte Geländegängigkeit der Beschickungsfördereinrichtung 2 gewährleistet. Der Rahmen 19 der beiden Raupenfahrwerke 22 ist um eine vertikale Achse 18 drehbar zum Rahmen der Brecheranlage gelagert.In Fig. 5 can be seen on the example of the launch side, steerable crawler track 22 of the feed conveyor 2, that the individual crawlers 22 are arranged pivotable about a transverse to the conveying direction pendulum pin 15, which ensures increased off-road capability of the feed conveyor 2. The frame 19 of the two crawlers 22 is mounted about a vertical axis 18 rotatably to the frame of the crusher.

In Fig. 6 ist eine Brecheranlage 1 in Aufsicht dargestellt, wobei die gleichen Bezugszeichen wie in den vorangegangenen Figuren verwendet wurden. Die Abwurffördereinrichtung ist hierbei als Brückenbandförderer 14 ausgebildet.In Fig. 6 a crusher 1 is shown in plan view, wherein the same reference numerals have been used as in the previous figures. The discharge conveyor is designed here as a bridge belt conveyor 14.

In Fig. 7a, b, c ist der Brückenbandförderer 14 in unterschiedlichen Stellungen gezeigt, wobei deutlich wird, dass diese Ausführung besonders gut an Geländeänderungen angepasst werden kann und insbesondere zur Überwindung von Geländestufen gut geeignet ist. Der Brückenbandförderer 14 wird an einen über dem stationären Förderband 12 angeordneten Strossenwagen 23 gelenkig (horizontal und vertikal) als Festlager angekoppelt und über ein am Rahmen des zweiten Raupenfahrwerkes 24 ausgebildeten Loslager 25 an die Übergabestelle unterhalb des Brechers herangeführt. Der Brückenbandförderer 14 besteht aus einem Rahmen 26 mit nunmehr einer Abfördereinrichtung und kann entsprechend des Geländeverlaufs zwischen dem fahrbaren Brecher und der stationären Förderbandanlage 12 durch die Ausgestaltung der beiden Lagerungen einjustiert werden.In Fig. 7a, b, c the bridge belt conveyor 14 is shown in different positions, wherein it is clear that this design can be adapted particularly well to terrain changes and especially good for overcoming terrain levels suitable is. The bridge belt conveyor 14 is coupled to a arranged above the stationary conveyor belt 12 Strossenwagen 23 articulated (horizontal and vertical) as a fixed bearing and introduced via a trained on the frame of the second crawler 24 floating bearing 25 to the transfer point below the crusher. The bridge belt conveyor 14 consists of a frame 26 with now a discharge device and can be adjusted according to the terrain between the mobile crusher and the stationary conveyor belt system 12 by the configuration of the two bearings.

Das höhenverstellbare Loslager 25 am neben dem fahrbaren Brecher angeordneten Raupenfahrwerk 24 ermöglicht ein seitliches Verschieben, ein horizontales Verdrehen um eine vertikale Achse und ein Verschwenken um eine horizontale Achse des Brückenbandes 14 gemäß den Pfeilen 27, 28 und 29.The height-adjustable floating bearing 25 arranged next to the mobile crusher crawler chassis 24 allows lateral displacement, a horizontal rotation about a vertical axis and pivoting about a horizontal axis of the bridge belt 14 according to the arrows 27, 28 and 29.

Claims (14)

  1. Mobile crusher (1) for lumpy material comprising a frame (20) equipped with at least one travelling mechanism (21, 22), a crusher (6) arranged on the frame (20) and having a discharge opening for crushed material, a charging conveyor device (2) mounted on the frame (20) for charging the crusher (6), and a dumping conveyor device (3), wherein the dumping conveyor device (3), decoupled from the crusher (6), is designed as a separately movable unit provided with its own travelling mechanism (10), characterised in that a charging side end (7) of the unit is arranged below the discharge opening of the crusher (6).
  2. Crusher according to claim 1, characterised in that the charging side end of the charging conveyor device (2) comprises a charging container, in particular a hopper (4).
  3. Crusher according to claim 1 or 2, characterised in that at least one travelling mechanism (21) is fixed to the charging side end region of the frame (20).
  4. Crusher according to claim 3, characterised in that the travelling mechanism (21) fixed to the charging side end region of the frame (20) is arranged below the charging container (4).
  5. Crusher according to any of claims 1 to 4, characterised in that at least one further travelling mechanism (22) is fixed to the crusher side end region of the frame (20).
  6. Crusher according to any of claims 1 to 5, characterised in that the travelling mechanisms (21, 22) comprise three bearings for the frame (20) which span a triangle.
  7. Crusher according to any of claims 3 to 6, characterised in that the travelling mechanism (21) fixed to the charging side end region of the frame (20) comprises a bearing on both sides outside the projection of the charging conveyor device (2), and the travelling mechanism (22) fixed to the crusher side end region of the frame (20) comprises a central bearing.
  8. Crusher according to any of claims 1 to 7, characterised in that the travelling mechanisms (21, 22) are each connected to the frame so as to be pivotable about a pendulum pivot (15) extending horizontally and transversely to the conveying direction.
  9. Crusher according to any of claims 1 to 8, characterised in that the charging conveyor device (2) is comprised of a belt conveyor, in particular a steel plate conveyor (5).
  10. Crusher according to any of claims 1 to 9, characterised in that the travelling mechanism(s) (21, 22) of the crusher (6) and/or the travelling mechanism (10) of the dumping conveyor device (3) is/are configured as a crawler mechanism.
  11. Crusher according to any of claims 1 to 10, characterised in that the dumping conveyor device (3) comprises at least one, preferably two, discharge conveyors (8, 9) cantilevering from a movable frame.
  12. Crusher according to any of claims 1 to 11, characterised in that the discharge conveyor(s) (8, 9) of the dumping conveyor (3) is/are arranged so as to be pivotable about a vertical axis of rotation relative to the travelling mechanism of the dumping conveyor (3).
  13. Crusher according to any of claims 1 to 12, characterised in that the charging side end of the dumping conveyor (3), decoupled from the crusher (6), is arranged below a cantilevering frame part supporting the crusher (6).
  14. Crusher according to any of claims 1 to 13, characterised in that the dumping conveyor device (3) is designed as a bridge conveyor (14).
EP09764691.3A 2008-12-03 2009-12-02 Mobile crusher Active EP2364222B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0188308A AT507654B1 (en) 2008-12-03 2008-12-03 PASSABLE BREAKER
PCT/AT2009/000467 WO2010063049A1 (en) 2008-12-03 2009-12-02 Mobile crusher

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EP2364222A1 EP2364222A1 (en) 2011-09-14
EP2364222B1 true EP2364222B1 (en) 2018-04-04

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AT (1) AT507654B1 (en)
AU (1) AU2009322062B2 (en)
BR (1) BRPI0922687B1 (en)
CA (1) CA2745578C (en)
DE (1) DE202009003408U1 (en)
TR (1) TR201808582T4 (en)
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AT507654A2 (en) 2010-06-15
AU2009322062B2 (en) 2015-01-22
CA2745578C (en) 2016-04-26
BRPI0922687B1 (en) 2020-01-21
TR201808582T4 (en) 2018-07-23
CN102239008A (en) 2011-11-09
BRPI0922687A2 (en) 2016-01-05
AT507654A3 (en) 2011-04-15
CA2745578A1 (en) 2010-06-10
AT507654B1 (en) 2011-06-15
ZA201103995B (en) 2012-02-29
AU2009322062A1 (en) 2010-06-10
WO2010063049A1 (en) 2010-06-10
EP2364222A1 (en) 2011-09-14
DE202009003408U1 (en) 2009-05-20

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