EP0547440B1 - Mobile crusher apparatus - Google Patents

Mobile crusher apparatus Download PDF

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Publication number
EP0547440B1
EP0547440B1 EP92120618A EP92120618A EP0547440B1 EP 0547440 B1 EP0547440 B1 EP 0547440B1 EP 92120618 A EP92120618 A EP 92120618A EP 92120618 A EP92120618 A EP 92120618A EP 0547440 B1 EP0547440 B1 EP 0547440B1
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EP
European Patent Office
Prior art keywords
frame
conveyer belt
crushing device
axle
feed chute
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EP92120618A
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German (de)
French (fr)
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EP0547440A1 (en
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Dietmar Frick
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Individual
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Individual
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    • 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

Definitions

  • the invention relates to a mobile crushing device with a crawler chassis with the features of the preamble of claim 1.
  • Such crushers with a crawler track are known. They are used in quarries to crush the extracted rock, but also the demolition material of buildings is crushed in such crushing facilities. Facilities of this type are extremely large and heavy. They are up to 4 meters high and approx. 16 meters long and approx. 45 tons heavy. They can be moved using their crawler tracks at the respective place of use. However, these crawler tracks are not suitable for road transport. Crushing devices of this type have so far only been able to be transported on low-loaders with special permits and escort vehicles in public traffic areas. With such a transport, not only the traffic areas are burdened by the enormous weight of the crushing device itself, but also additionally by the high weight of the low loader used here.
  • Such a mobile crusher for crushing demolition material and other building rubble is known from DE-OS 39 04 501.
  • a jaw crusher is mounted in an upright position on a crawler chassis and in the area of the upper jaw of the jaw crusher there is a material feed device which has a feed hopper and an oscillating conveyor.
  • a haul-off conveyor is also provided on the crawler chassis, the feed end of which is arranged in a low position under the crusher discharge.
  • the crushed material feed device is pivotally mounted in height and can be lowered by means of a lifting device from a high position for loading the jaw crusher into a low position in which it does not protrude, or does not protrude significantly, over the jaw crusher.
  • the jaw crusher is arranged on a crawler track.
  • this known construction is to design the mobile crusher so that it can be built comparatively compact in its transport dimensions and, above all, has a reduced transport height compared to older devices, so that he is characterized by increased mobility.
  • this known construction does not adequately solve this task, since low-loaders and special permits are still required for the transport of this known device by road.
  • the present invention is based on this state of the art and it aims to design a crushing device with a crawler undercarriage of the type mentioned in such a way that it can be transported in a simple manner on public traffic areas without a flatbed trailer and without special permits for each individual case required and without putting additional strain on the traffic areas. According to the invention this is achieved by those measures which are the subject and content of the characterizing part of claim 1.
  • the axle assembly consists of a plurality of wheel axles which are spring-mounted in a frame and are arranged next to one another and that the frame has bearing brackets provided in pairs on its upper side and preferably in its longitudinal central region, which brackets with bearing brackets on the frame of the conveyor belt by means of axle bolts or axle shafts are connectable. It is thus possible, on the one hand, to increase the considerable weight of such a crushing device over a large area distribute and support, on the other hand, the connection between the frame and the axle assembly is very easy to achieve; if necessary, only axle bolts or axle shafts need to be inserted and secured with split pins.
  • axle bolts or axle shafts connecting the frame of the conveyor belt and the axle assembly are parallel to the axis about which the filling shaft can be pivoted, then the interventions and measures that are necessary to convert the crushing device for road transport are on Minimum limited.
  • the upper boundary edge of the filler shaft facing the crushing tool is expediently sloping in a manner known per se against the crushing tool and its chassis frame containing the drive motor and that the angle of inclination of this slope corresponds essentially to the angle of inclination of the kingpin relative to the vertical.
  • a further advantageous measure for reducing the length of the crushing device for the transport case is that, in a manner known per se, the frame carrying the conveyor belt consists of at least two sections which can be pivoted relative to one another in relation to its longitudinal direction, and that the axle assembly is in or near that area of the section of the conveyor belt is articulated, on which the piston-cylinder unit which serves to pivot the conveyor belt vertically acts.
  • the feed chute and conveyor belt in a manner known per se on or on opposite sides of the chassis frame arranged so that the filler shaft can be moved from its operating position into its transport position without hindrance and without additional assembly or disassembly work.
  • the measure according to the invention could also be provided with a conveyor belt fixedly arranged relative to the chassis be when the mechanism connecting the conveyor belt and the axle assembly is designed to be height-adjustable.
  • the axle assembly can also remain arranged on the frame of the conveyor belt during operational use of the crushing device, since then, if the frame of the conveyor belt can be pivoted, operational settings of the conveyor belt can be achieved via this height-adjustable mechanism.
  • Fig. 1 illustrates the crushing device in operational use.
  • a chassis frame 2 is connected, in which a powerful, not shown drive unit is housed.
  • the actual crushing tool 3 here consists of two plates which extend at right angles to the plane of the drawing and which are only indicated in FIG. 1 by dashed lines.
  • One of the two plates of the breaking tool 3 is mounted in a fixed manner in the chassis frame 2, the other plate is set in oscillating motion by the drive unit (not shown) and via a flywheel and a V-belt drive, as a result of which this plate periodically moves back and forth in the plane of the drawing against the fixed plate.
  • Flywheel and V-belt drive are covered by a housing 4.
  • a filling chute 5 is provided to the side of the breaking tool 3, the design of which is not essential for the present invention.
  • the upper part 11 of the filling chute 5 is formed by outwardly directed rims 6 which delimit a funnel-like filling area, the upper boundary edge 7, which faces the breaking tool 3, sloping towards the chassis frame 2.
  • a horizontal grate is provided within the upper part 11 of the filling shaft 5 and above the upper edge of the breaking tool 3, through which small material falls through.
  • the upper part 11 of the filling shaft 5 can be set in vibration by means of a vibrator 8.
  • the upper part 11 of the filler shaft is supported by means of elastic support members 9 in relation to its supporting part 10. In the sense of the present invention, the upper part 11 and the support part 10 form the filling shaft 5.
  • This hopper 5 or its support member 10 is pivotally mounted about a horizontal axis 12 which is close to the chassis 1 and approximately in the middle longitudinal third of the same.
  • a piston-cylinder unit 13 which is articulated on the one hand on the supporting part 10 and on the other hand on the chassis frame or on the chassis frame, serves to pivot this filler shaft 5.
  • an oblique kingpin is fastened, which is part of a fifth wheel coupling as used in connection with tractor units.
  • the angle by which the kingpin 14 is inclined with respect to a vertical reference line corresponds to the angle of Incline of the boundary edge 7 of the upper part 11 of the filling shaft 5.
  • a conveyor belt 15 is pivotably articulated about a horizontal axis lying in the area of the chassis 1.
  • This conveyor belt extends into the outlet area of the breaking tool 3 and here takes up the material reduced by the breaking tool 3, but also that which has fallen through the grate of the upper part 11 of the filler shaft 5.
  • the frame of the conveyor belt 15 is formed from two sections 16 and 17 which can be pivoted relative to one another about a horizontal axis 18.
  • the section 16 is carried by a piston-cylinder unit 19 and the front section 17 of the conveyor belt 15 or its frame is articulated on a rocker arm 20 which is attached at its other end to a cantilever arm 21 of the chassis frame 2.
  • an axle assembly 22 is articulated, which is formed here from three spring wheel axles 23 arranged next to one another, which are received by a frame 24, on the upper side of which mounting brackets 25 are welded are.
  • These bearing brackets 25 receive axle bolts or axle shafts, which are parallel to the axis 12, about which the filling shaft 5 can be pivoted.
  • the connection between the axle assembly 22 and the section 16 of the frame of the conveyor belt 15 can be designed so that it can be released easily and without effort and without the aid of special tools.
  • the overall height of a crushing device of the type shown here is over 4 meters. The total length is approx. 16 meters, the weight of a crushing device of this type is approx. 45 tons.
  • Fig. 1 shows the mobile crushing device in the ready position.
  • a tractor unit 26 is used for this purpose (Fig. 2). This is brought up to the device on the side of the feed chute 5.
  • the feed chute 5 is now lowered clockwise around the axis 12 and the kingpin 14 is retracted into the fifth wheel of the tractor unit.
  • the conveyor belt 15 is lowered by actuating the piston-cylinder unit 19, the front section 17 of the same being folded up over the rocker 20.
  • the conveyor belt or its frame is lowered by means of the piston-cylinder unit 19 until the axle assembly 22 rests on the floor.
  • the middle part of the mobile crushing device is now raised, so that the undercarriage 1 is above the ground.
  • the crushing device can now be transported in the manner of a tractor-trailer.
  • the axle assembly 22 is articulated directly to section 16 of the conveyor belt or frame by means of axle bolts or axle journals.
  • a height-adjustable mechanism between the section 16 and the axle assembly 22, so that the axle assembly rests on the floor even during operational use of the crushing device (FIG. 1) and the frame of the conveyor belt 15 is supported with respect to the axle assembly.
  • the piston-cylinder unit 19 can be saved, but the height-adjustable mechanism must be designed so that it can absorb lateral forces without torsion, which act on the axle assembly during road transport.
  • the axle assembly 22 is fastened to the conveyor belt 15 even when it is raised.
  • this connection can be released when the conveyor belt is lowered, so that the conveyor belt can then be raised to its operating state without the axle assembly.
  • the feed chute 5, breaking tool 3, chassis frame 2 and conveyor belt 15 and chassis 1 lie in one plane, that is to say they are not arranged at an angle to one another. Crushing devices of this type are also known, in which these units are arranged at an angle to one another.
  • the proposed solution according to the invention can also be used in such a case, but here the structural units angularly arranged relative to the undercarriage must still be pivoted about vertical axes, so that all these structural units lie in a vertical plane during road transport or can be folded or pivoted into such a vertical plane are.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)

Abstract

The mobile crusher apparatus has a track laying gear (1) and a chassis frame (2) and a motor-driven crushing tool and a charging shaft (5) and a conveyor belt (15) which ejects the crushed material. The charging shaft (5) can pivot about a horizontal axis (12) with respect to the chassis frame (2). On the underside facing away from this axis (12) which is preferably located next to the travel gear (1) and in the longitudinal central plane of the charging shaft (5), a downwardly directed kingpin (14) of a fifth-wheel coupling is attached. An assembly (22) which has a plurality of wheels (23) can be coupled to the frame which bears the conveyor belt (15). <IMAGE>

Description

Die Erfindung bezieht sich auf eine fahrbare Brecheinrichtung mit einem Raupenfahrwerk mit den Merkmalen des Oberbegriffes des Patentanspruches 1.The invention relates to a mobile crushing device with a crawler chassis with the features of the preamble of claim 1.

Solche Brecheinrichtungen mit einem Raupenfahrwerk sind bekannt. Sie werden in Steinbrüchen eingesetzt zur Zerkleinerung des gewonnenen Gesteins, aber auch das Abbruchmaterial von Bauwerken wird in solchen Brecheinrichtungen zerkleinert. Einrichtungen dieser Art sind außerordentlich groß und schwer. Sie sind bis über 4 Meter hoch und ca. 16 Meter lang und ca. 45 Tonnen schwer. Am jeweiligen Einsatzort sind sie mittels ihres Raupenfahrwerks verfahrbar. Für den Straßentransport sind diese Raupenfahrwerke jedoch nicht geeignet. Brecheinrichtungen dieser Art können auf öffentlichen Verkehrsflächen bislang nur auf Tiefladern mit Sondergenehmigung und Begleitfahrzeugen transportiert werden. Bei einem solchen Transport sind nicht nur die Verkehrsflächen durch das enorme Gewicht der Brecheinrichtung selbst, sondern noch zusätzlich durch das hohe Gewicht der hier verwendeten Tieflader belastet.Such crushers with a crawler track are known. They are used in quarries to crush the extracted rock, but also the demolition material of buildings is crushed in such crushing facilities. Facilities of this type are extremely large and heavy. They are up to 4 meters high and approx. 16 meters long and approx. 45 tons heavy. They can be moved using their crawler tracks at the respective place of use. However, these crawler tracks are not suitable for road transport. Crushing devices of this type have so far only been able to be transported on low-loaders with special permits and escort vehicles in public traffic areas. With such a transport, not only the traffic areas are burdened by the enormous weight of the crushing device itself, but also additionally by the high weight of the low loader used here.

Aus der DE-OS 39 04 501 ist ein solcher fahrbarer Brecher zur Zerkleinerung von Abbruchmaterial und sonstigem Bauschutt bekannt. Auf einem Raupenfahrgestell ist in aufrechter Lage ein Backenbrecher gelagert und im Bereich des oberen Brechermauls des Backenbrechers ist eine Brechgutaufgabevorrichtung angeordnet, die einen Aufgabetrichter und einen Schwingförderer aufweist. Am Raupenfahrgestell ist ferner ein Abzugförderer vorgesehen, dessen Aufgabeende in Tieflage unter dem Brecheraustrag angeordnet ist. Die Brechgutaufgabevorrichtung ist höhenverschwenkbar gelagert und mittels einer Hubvorrichtung von einer Hochlage für die Beschickung des Backenbrechers in eine Tieflage absenkbar, in der sie nicht oder nicht wesentlich über den Backenbrecher aufragt. Der Backenbrecher ist auf einem Raupenfahrwerk angeordnet. Sinn und Zweck dieser vorbekannten Konstruktion ist es, den fahrbaren Brecher so auszubilden, daß er in seinen Transportabmessungen vergleichsweise kompakt gebaut werden kann und vor allem eine gegenüber älteren Einrichtungen verminderte Transporthöhe aufweist, so daß er sich durch eine erhöhte Mobilität auszeichnet. Diese vorbekannte Konstruktion löst diese Aufgabe allerdings nur unzureichend, da zum Straßentransport dieser vorbekannten Einrichtung nach wie vor Tieflader und Sondergenehmigungen erforderlich sind.Such a mobile crusher for crushing demolition material and other building rubble is known from DE-OS 39 04 501. A jaw crusher is mounted in an upright position on a crawler chassis and in the area of the upper jaw of the jaw crusher there is a material feed device which has a feed hopper and an oscillating conveyor. A haul-off conveyor is also provided on the crawler chassis, the feed end of which is arranged in a low position under the crusher discharge. The crushed material feed device is pivotally mounted in height and can be lowered by means of a lifting device from a high position for loading the jaw crusher into a low position in which it does not protrude, or does not protrude significantly, over the jaw crusher. The jaw crusher is arranged on a crawler track. The purpose of this known construction is to design the mobile crusher so that it can be built comparatively compact in its transport dimensions and, above all, has a reduced transport height compared to older devices, so that he is characterized by increased mobility. However, this known construction does not adequately solve this task, since low-loaders and special permits are still required for the transport of this known device by road.

Es sind aber auch fahrbare Brecheinrichtungen bekannt, und zwar aus DE-A-32 27 834, DE-U-85 34 877.5 und DE-A-36 37 389, die von vornherein durch die spezielle Ausbildung ihres Fahrwerks für den Straßentransport vorgesehen sind und welche über eine Sattelkupplung mit einem Zugfahrzeug verbindbar sind.But mobile crushing devices are also known, namely from DE-A-32 27 834, DE-U-85 34 877.5 and DE-A-36 37 389, which are provided from the outset by the special design of their undercarriage for road transport and which can be connected to a towing vehicle via a fifth wheel.

Von diesem Stand der Technik geht nun die Erfindung aus und sie zielt darauf ab, eine Brecheinrichtung mit einem Raupenfahrwerk der genannten Art so auszubilden, daß sie in einfacher Weise auf öffentlichen Verkehrsflächen ohne Tieflader transportiert werden kann und ohne daß es dazu Sondergenehmigungen für jeden einzelnen Fall bedarf und ohne die Verkehrsflächen noch zusätzlich zu belasten. Gemäß der Erfindung wird dies durch jene Maßnahmen erreicht, die Gegenstand und Inhalt des kennzeichnenden Teiles des Patentanspruches 1 sind.The present invention is based on this state of the art and it aims to design a crushing device with a crawler undercarriage of the type mentioned in such a way that it can be transported in a simple manner on public traffic areas without a flatbed trailer and without special permits for each individual case required and without putting additional strain on the traffic areas. According to the invention this is achieved by those measures which are the subject and content of the characterizing part of claim 1.

Nach einer zweckmäßigen Ausführungsform ist vorgesehen, daß das Achsaggregat aus mehreren, in einem Rahmen gefedert gelagerten, nebeneinander angeordneten Radachsen besteht und der Rahmen an seiner Oberseite und vorzugsweise in seinem Längsmittelbereich paarweise vorgesehene Lagerlaschen aufweist, welche mit Lagerlaschen am Rahmen des Förderbandes mittels Achsbolzen oder Achsschäften verbindbar sind. Es ist so möglich, das erhebliche Gewicht einer solchen Brecheinrichtung einerseits großflächig zu verteilen und abzustützen, andererseits ist die Verbindung zwischen Rahmen und Achsaggregat sehr einfach zu bewerkstelligen, brauchen im Bedarfsfall doch nur Achsbolzen oder Achsschäfte eingesteckt und durch Splinte gesichert werden.According to an expedient embodiment, it is provided that the axle assembly consists of a plurality of wheel axles which are spring-mounted in a frame and are arranged next to one another and that the frame has bearing brackets provided in pairs on its upper side and preferably in its longitudinal central region, which brackets with bearing brackets on the frame of the conveyor belt by means of axle bolts or axle shafts are connectable. It is thus possible, on the one hand, to increase the considerable weight of such a crushing device over a large area distribute and support, on the other hand, the connection between the frame and the axle assembly is very easy to achieve; if necessary, only axle bolts or axle shafts need to be inserted and secured with split pins.

Ist weiterhin vorgesehen, daß die den Rahmen des Förderbandes und das Achsaggregat verbindenden Achsbolzen oder Achsschäfte parallel liegen zur Achse, um welche der Einfüllschacht schwenkbar ist, so sind die Eingriffe und Maßnahmen, die erforderlich sind, um die Brecheinrichtung für den Straßentransport umzurüsten, auf ein Minimum beschränkt.If it is further provided that the axle bolts or axle shafts connecting the frame of the conveyor belt and the axle assembly are parallel to the axis about which the filling shaft can be pivoted, then the interventions and measures that are necessary to convert the crushing device for road transport are on Minimum limited.

Damit die Oberkante der Brecheinrichtung in ihrer Transportstellung die geringst mögliche Höhe einnimmt, die aufgrund der vorgegebenen Konstruktion überhaupt erreichbar ist, ist zweckmäßigerweise die obere, dem Brechwerkzeug zugewandte Begrenzungskante des Einfüllschachtes in an sich bekannter Weise gegen das Brechwerkzeug und dessen Antriebsmotor beinhaltenden Chassisrahmen schräg abfallend verläuft und daß der Neigungswinkel dieser Schräge im wesentlichen dem Neigungswinkel des Königszapfens gegenüber der Lotrechten entspricht.So that the upper edge of the crushing device takes the lowest possible height in its transport position, which is even achievable due to the given construction, the upper boundary edge of the filler shaft facing the crushing tool is expediently sloping in a manner known per se against the crushing tool and its chassis frame containing the drive motor and that the angle of inclination of this slope corresponds essentially to the angle of inclination of the kingpin relative to the vertical.

Eine weitere vorteilhafte Maßnahme zur Verringerung der Länge der Brecheinrichtung für den Transportfall liegt darin, daß in an sich bekannter Weise der das Förderband tragende Rahmen bezogen auf seine Längsrichtung mindestens aus zwei, gegeneinander verschwenkbaren Abschnitten besteht und daß das Achsaggregat in oder nahe jenem Bereich des Abschnittes des Förderbandes angelenkt ist, an welchem die der vertikalen Verschwenkung des Förderbandes dienende Kolben-Zylinder-Einheit angreift.A further advantageous measure for reducing the length of the crushing device for the transport case is that, in a manner known per se, the frame carrying the conveyor belt consists of at least two sections which can be pivoted relative to one another in relation to its longitudinal direction, and that the axle assembly is in or near that area of the section of the conveyor belt is articulated, on which the piston-cylinder unit which serves to pivot the conveyor belt vertically acts.

Um für den Einfüllschacht einen weiten, freien Schwenkbereich sicherzustellen sind, bezogen auf das Brechwerkzeug bzw. den dieses aufnehmenden Chassisrahmen, Einfüllschacht und Förderband in an sich bekannter Weise an bzw. auf einander gegenüberliegenden Seiten des Chassisrahmens angeordnet, so daß der Einfüllschacht ungehindert und ohne zusätzliche Montage- bzw. Demontagearbeiten aus seiner Betriebsstellung in seine Transportstellung überführbar ist.In order to ensure a wide, free swiveling range for the feed chute, in relation to the breaking tool or the chassis frame receiving it, the feed chute and conveyor belt in a manner known per se on or on opposite sides of the chassis frame arranged so that the filler shaft can be moved from its operating position into its transport position without hindrance and without additional assembly or disassembly work.

Wenngleich es zweckmäßig ist, das Förderband bzw. dessen Rahmen in einer vertikalen Ebene schwenkbar zu lagern, um beim betriebsmäßigen Einsatz die Abgabestelle des Brechgutes einstellen und den jeweiligen Arbeitsbedingungen weitestgehend anpassen zu können, könnte auch bei gegenüber dem Chassis fest angeordnetem Förderband die erfindungsgemäße Maßnahme vorgesehen sein, wenn die das Förderband und das Achsaggregat verbindende Mechanik höhenverstellbar ausgebildet ist. In diesem Fall kann das Achsaggregat auch beim betriebsmäßigen Einsatz der Brecheinrichtung am Rahmen des Förderbandes angeordnet bleiben, da dann, bei eventuell schwenkbarer Lagerung des Rahmens des Transportbandes über diese höhenverstellbare Mechanik betriebsmäßige Einstellungen des Förderbandes erreicht werden können.Although it is expedient to pivotally support the conveyor belt or its frame in a vertical plane in order to be able to adjust the delivery point of the crushed material during operational use and to be able to adapt it as far as possible to the respective working conditions, the measure according to the invention could also be provided with a conveyor belt fixedly arranged relative to the chassis be when the mechanism connecting the conveyor belt and the axle assembly is designed to be height-adjustable. In this case, the axle assembly can also remain arranged on the frame of the conveyor belt during operational use of the crushing device, since then, if the frame of the conveyor belt can be pivoted, operational settings of the conveyor belt can be achieved via this height-adjustable mechanism.

Um die Erfindung zu veranschaulichen, wird sie unter Bezug auf die beiliegende Zeichnung anhand eines Ausführungsbeispieles näher erläutert. Es zeigen:

Fig. 1
die Brecheinrichtung von der Seite in ihrer Betriebsstellung;
Fig. 2
die Brecheinrichtung in Verbindung mit einer Sattelzugmaschine beim Transport auf öffentlichen Verkehrsflächen.
In order to illustrate the invention, it will be explained in more detail with reference to the accompanying drawing using an exemplary embodiment. Show it:
Fig. 1
the crushing device from the side in its operating position;
Fig. 2
the crushing device in connection with a tractor unit when transported on public traffic areas.

Fig. 1 veranschaulicht die Brecheinrichtung beim betriebsmäßigen Einsatz. Mit einem Raupenfahrwerk 1 ist ein Chassisrahmen 2 verbunden, in welchem ein leistungsstarkes, hier nicht näher dargestelltes Antriebsaggregat untergebracht ist. Das eigentliche Brechwerkzeug 3 besteht hier aus zwei Platten, die sich rechtwinkelig zur Zeichenebene erstrecken und die in Fig. 1 nur durch strichlierte Linien angedeutet sind. Die eine der beiden Platten des Brechwerkzeuges 3 ist ortsfest im Chassisrahmen 2 gelagert, die andere Platte wird von dem nicht dargestellten Antriebsaggregat und über ein Schwungrad und einen Keilriemenantrieb in eine schwingende Bewegung versetzt, wodurch sich diese Platte in der Zeichenebene periodisch gegen die feststehende Platte hin und her bewegt. Schwungrad und Keilriemenantrieb sind von einem Gehäuse 4 abgedeckt.Fig. 1 illustrates the crushing device in operational use. With a crawler chassis 1, a chassis frame 2 is connected, in which a powerful, not shown drive unit is housed. The actual crushing tool 3 here consists of two plates which extend at right angles to the plane of the drawing and which are only indicated in FIG. 1 by dashed lines. One of the two plates of the breaking tool 3 is mounted in a fixed manner in the chassis frame 2, the other plate is set in oscillating motion by the drive unit (not shown) and via a flywheel and a V-belt drive, as a result of which this plate periodically moves back and forth in the plane of the drawing against the fixed plate. Flywheel and V-belt drive are covered by a housing 4.

Seitlich des Brechwerkzeuges 3, dessen Ausbildung für die gegenständliche Erfindung nicht wesentlich ist, ist ein Einfüllschacht 5 vorgesehen. Der obere Teil 11 des Einfüllschachtes 5 ist durch nach außen gerichtete Borde 6 gebildet, die einen trichterartigen Einfüllbereich begrenzen, wobei die obere Begrenzungskante 7, die dem Brechwerkzeug 3 zugewandt ist, gegen den Chassisrahmen 2 schräg abfallend verläuft. Innerhalb des oberen Teiles 11 des Einfüllschachtes 5 und oberhalb der Oberkante des Brechwerkzeuges 3 ist ein horizontaler Rost vorgesehen, durch welchen KLeinmaterial durchfällt. Mittels eines Vibrators 8 kann der obere Teil 11 des Einfüllschachtes 5 in Schwingungen versetzt werden. Der obere Teil 11 des Einfüllschachtes ist mittels elastischen Stützgliedern 9 gegenüber seinem Tragteil 10 abgestützt. Im Sinne der gegenständlichen Erfindung bilden der obere Teil 11 und der Tragteil 10 den Einfüllschacht 5.A filling chute 5 is provided to the side of the breaking tool 3, the design of which is not essential for the present invention. The upper part 11 of the filling chute 5 is formed by outwardly directed rims 6 which delimit a funnel-like filling area, the upper boundary edge 7, which faces the breaking tool 3, sloping towards the chassis frame 2. A horizontal grate is provided within the upper part 11 of the filling shaft 5 and above the upper edge of the breaking tool 3, through which small material falls through. The upper part 11 of the filling shaft 5 can be set in vibration by means of a vibrator 8. The upper part 11 of the filler shaft is supported by means of elastic support members 9 in relation to its supporting part 10. In the sense of the present invention, the upper part 11 and the support part 10 form the filling shaft 5.

Dieser Einfüllschacht 5 bzw. dessen Tragteil 10 ist um eine horizontale Achse 12 schwenkbar gelagert, die nahe dem Fahrwerk 1 und etwa im mittleren Längsdrittel desselben liegt. Zur Verschwenkung dieses Einfüllschachtes 5 dient eine Kolben-Zylinder-Einheit 13, die einerseits am Tragteil 10 und andererseits am Chassisrahmen bzw. am Fahrwerkrahmen angelenkt ist. An dem dieser Achse 12 abgewandten Abschnitt der Unterseite des Einfüllschachtes 5 bzw. dessen Tragteil 10 und in dessen vertikaler Längsmittelebene ist ein schrägstehender Königszapfen befestigt, der Teil einer Sattelkupplung ist, wie sie in Verbindung mit Sattelzugmaschinen verwendet werden. Der Winkel, um den der Königszapfen 14 gegenüber einer vertikalen Bezugslinie geneigt ist, entspricht dem Winkel der Schräge der Begrenzungskante 7 des oberen Teiles 11 des Einfüllschachtes 5.This hopper 5 or its support member 10 is pivotally mounted about a horizontal axis 12 which is close to the chassis 1 and approximately in the middle longitudinal third of the same. A piston-cylinder unit 13, which is articulated on the one hand on the supporting part 10 and on the other hand on the chassis frame or on the chassis frame, serves to pivot this filler shaft 5. On the section of the underside of the feed chute 5 or its support part 10 facing away from this axis 12 and in its vertical longitudinal center plane, an oblique kingpin is fastened, which is part of a fifth wheel coupling as used in connection with tractor units. The angle by which the kingpin 14 is inclined with respect to a vertical reference line corresponds to the angle of Incline of the boundary edge 7 of the upper part 11 of the filling shaft 5.

Auf der dem Einfüllschacht 5 abgewandten Seite des Chassisrahmens 2 ist um eine im Bereich des Fahrwerkes 1 liegende horizontale Achse ein Förderband 15 schwenkbar angelenkt. Dieses Förderband reicht bis in den Auslaßbereich des Brechwerkzeuges 3 und nimmt hier das vom Brechwerkzeug 3 verkleinerte Material auf, aber auch jenes, das durch den Rost des oberen Teiles 11 des Einfüllschachtes 5 gefallen ist. Der Rahmen des Förderbandes 15 ist aus zwei Abschnitten 16 und 17 gebildet, die um eine horizontale Achse 18 gegeneinander verschwenkbar sind. Der Abschnitt 16 ist von einer Kolben-ZylinderEinheit 19 getragen und der vordere Abschnitt 17 des Förderbandes 15 bzw. dessen Rahmen ist an einer Schwinge 20 angelenkt, die mit ihrem anderen Ende an einem Kragarm 21 des Chassisrahmens 2 befestigt ist.On the side of the chassis frame 2 facing away from the feed chute 5, a conveyor belt 15 is pivotably articulated about a horizontal axis lying in the area of the chassis 1. This conveyor belt extends into the outlet area of the breaking tool 3 and here takes up the material reduced by the breaking tool 3, but also that which has fallen through the grate of the upper part 11 of the filler shaft 5. The frame of the conveyor belt 15 is formed from two sections 16 and 17 which can be pivoted relative to one another about a horizontal axis 18. The section 16 is carried by a piston-cylinder unit 19 and the front section 17 of the conveyor belt 15 or its frame is articulated on a rocker arm 20 which is attached at its other end to a cantilever arm 21 of the chassis frame 2.

In jenem Bereich des Abschnittes 16, an dem die Kolben-Zylinder-Einheit 19 angreift, ist ein Achsaggregat 22 angelenkt, das hier aus drei nebeneinander angeordneten gefederten Radachsen 23 gebildet ist, die von einem Rahmen 24 aufgenommen sind, an dessen Oberseite Lagerlaschen 25 angeschweißt sind. Diese Lagerlaschen 25 nehmen Achsbolzen oder Achsschäfte auf, welche parallel zur Achse 12 liegen, um welche der Einfüllschacht 5 verschwenkbar ist. Die Verbindung zwischen dem Achsaggregat 22 und dem Abschnitt 16 des Rahmens des Förderbandes 15 kann so gestaltet sein, daß sie leicht und ohne Aufwand und ohne Zuhilfenahme besonderer Werkzeuge lösbar ist. Die Bauhöhe einer Brecheinrichtung der hier gezeigten Art beträgt über 4 Meter. Die Gesamtlänge ca. 16 Meter, das Gewicht einer Brecheinrichtung dieser Art liegt bei ca. 45 Tonnen. Fig. 1 zeigt die fahrbare Brecheinrichtung in der betriebsbereiten Stellung.In that area of section 16, on which the piston-cylinder unit 19 engages, an axle assembly 22 is articulated, which is formed here from three spring wheel axles 23 arranged next to one another, which are received by a frame 24, on the upper side of which mounting brackets 25 are welded are. These bearing brackets 25 receive axle bolts or axle shafts, which are parallel to the axis 12, about which the filling shaft 5 can be pivoted. The connection between the axle assembly 22 and the section 16 of the frame of the conveyor belt 15 can be designed so that it can be released easily and without effort and without the aid of special tools. The overall height of a crushing device of the type shown here is over 4 meters. The total length is approx. 16 meters, the weight of a crushing device of this type is approx. 45 tons. Fig. 1 shows the mobile crushing device in the ready position.

Soll diese Brecheinrichtung nun über öffentliche Verkehrsflächen transportiert werden, so wird dazu eine Sattelzugmaschine 26 verwendet (Fig. 2). Diese wird auf der Seite des Einfüllschachtes 5 an die Einrichtung herangefahren. Durch Betätigung der Kolben-Zylinder-Einheit 13 wird nun der Einfüllschacht 5 im Uhrzeigersinn um die Achse 12 abgesenkt und dabei der Königszapfen 14 in die Sattelkupplung der Sattelzugmaschine eingefahren. Ferner wird durch Betätigung der Kolben-Zylinder-Einheit 19 das Förderband 15 abgesenkt, wobei der vordere Abschnitt 17 desselben über die Schwinge 20 hochgeklappt wird. Das Förderband bzw. dessen Rahmen wird so lange mittels der Kolben-Zylinder-Einheit 19 abgesenkt, bis das Achsaggregat 22 auf dem Boden aufliegt. Durch weitere Beaufschlagung der erwähnten Kolben-Zylinder-Einheiten 13 und 19 wird nun der Mittelteil der fahrbaren Brecheinrichtung angehoben, so daß sich das Fahrwerk 1 oberhalb des Bodens befindet. Nun kann die Brecheinrichtung nach Art eines Sattelzuges transportiert werden.If this crushing device is now to be transported over public traffic areas, a tractor unit 26 is used for this purpose (Fig. 2). This is brought up to the device on the side of the feed chute 5. By actuating the piston-cylinder unit 13, the feed chute 5 is now lowered clockwise around the axis 12 and the kingpin 14 is retracted into the fifth wheel of the tractor unit. Furthermore, the conveyor belt 15 is lowered by actuating the piston-cylinder unit 19, the front section 17 of the same being folded up over the rocker 20. The conveyor belt or its frame is lowered by means of the piston-cylinder unit 19 until the axle assembly 22 rests on the floor. By further loading of the piston-cylinder units 13 and 19 mentioned, the middle part of the mobile crushing device is now raised, so that the undercarriage 1 is above the ground. The crushing device can now be transported in the manner of a tractor-trailer.

Im gezeigten Ausführungsbeispiel ist das Achsaggregat 22 direkt am Abschnitt 16 des Förderbandes bzw. des Rahmens mittels Achsbolzen oder Achszapfen angelenkt. Grundsätzlich ist es möglich, zwischen dem Abschnitt 16 und dem Achsaggregat 22 eine höhenverstellbare Mechanik anzuordnen, so daß auch beim betriebsmäßigen Einsatz der Brecheinrichtung (Fig. 1) das Achsaggregat auf dem Boden aufliegt und der Rahmen des Förderbandes 15 gegenüber dem Achsaggregat abgestützt ist. In diesem Fall kann die Kolben-Zylinder-Einheit 19 eingespart werden, jedoch ist die höhenverstellbare Mechanik so auszubilden, daß sie Seitenkräfte ohne Verwindung aufnehmen kann, die beim Straßentransport auf das Achsaggregat einwirken.In the exemplary embodiment shown, the axle assembly 22 is articulated directly to section 16 of the conveyor belt or frame by means of axle bolts or axle journals. In principle, it is possible to arrange a height-adjustable mechanism between the section 16 and the axle assembly 22, so that the axle assembly rests on the floor even during operational use of the crushing device (FIG. 1) and the frame of the conveyor belt 15 is supported with respect to the axle assembly. In this case, the piston-cylinder unit 19 can be saved, but the height-adjustable mechanism must be designed so that it can absorb lateral forces without torsion, which act on the axle assembly during road transport.

Im gezeigten Ausführungsbeispiel nach Fig. 1 ist das Achsaggregat 22 auch bei angehobenem Förderband 15 an diesem befestigt. Bei entsprechender Gestaltung der Verbindung zwischen Achsaggregat 22 und Abschnitt 16 des Rahmens des Förderbandes 15 kann bei abgesenktem Förderband diese Verbindung gelöst werden, so daß das Förderband dann ohne Achsaggregat in seinen Betriebszustand angehoben werden kann. Aus den Figuren ist auch zu erkennen, daß Einfüllschacht 5, Brechwerkzeug 3, Chassisrahmen 2 und Förderband 15 sowie Fahrwerk 1 in einer Ebene liegen, also nicht winkelig zueinander angeordnet sind. Es sind auch Brecheinrichtungen dieser Art bekannt, bei welchen diese Aggregate winkelig zueinander angeordnet sind. Auch in einem solchen Fall ist der erfindungsgemäße Lösungsvorschlag anwendbar, jedoch müssen hier die gegenüber dem Fahrwerk winkelig angeordneten Baueinheiten noch um vertikale Achsen schwenkbar gelagert werden, damit alle diese Baueinheiten beim Straßentransport in einer vertikalen Ebene liegen bzw. in eine solche vertikale Ebene klappbar oder schwenkbar sind.In the exemplary embodiment shown in FIG. 1, the axle assembly 22 is fastened to the conveyor belt 15 even when it is raised. With a corresponding design of the connection between the axle assembly 22 and section 16 of the frame of the conveyor belt 15, this connection can be released when the conveyor belt is lowered, so that the conveyor belt can then be raised to its operating state without the axle assembly. From the figures it can also be seen that the feed chute 5, breaking tool 3, chassis frame 2 and conveyor belt 15 and chassis 1 lie in one plane, that is to say they are not arranged at an angle to one another. Crushing devices of this type are also known, in which these units are arranged at an angle to one another. The proposed solution according to the invention can also be used in such a case, but here the structural units angularly arranged relative to the undercarriage must still be pivoted about vertical axes, so that all these structural units lie in a vertical plane during road transport or can be folded or pivoted into such a vertical plane are.

Claims (6)

  1. A travelling crushing device having a tracked undercarriage, a motor-driven crushing tool - for example in the form of crushing plates which are provided in pairs, are in an upright arrangement and swing against one another - arranged in a chassis framework connected to the tracked undercarriage, having a feed chute, and also having at least one conveyer belt which discharges the crushed material and is mounted so as to be adjustable in relation to the chassis framework, and the feed chute is pivotable about a horizontal axis in relation to the chassis framework, characterised in that a downwards-directed central pivot (14) of a fifth wheel is secured in the longitudinal centre plane of the feed chute (5) and to the underside facing away from this axis (12) preferably located close to the tracked undercarriage (1), and a unit (22) preferably having a plurality of wheels (23) is couplable to the frame bearing the conveyer belt (15), and the feed chute (5) and the conveyer belt (15) are, in a manner known per se, arranged against or on facing sides of the chassis framework (2) in relation to the crushing tool (3) or the chassis framework (2) receiving the latter.
  2. A travelling crushing device in accordance with Claim 1, characterised in that the axle unit (22) comprises a plurality of wheel axles which are spring-mounted in a frame (24) and are arranged side by side, and the frame (24) has bearing lugs (25) at its upper side - preferably in its longitudinal central region - which are provided in pairs and are connectable to bearing lugs at the frame of the conveyor belt (15) by means of axle pins or axle shafts.
  3. A travelling crushing device in accordance with Claim 1 and 2, characterised in that the axle pins or axle shafts connecting the frame of the conveyer belt (15) to the axle unit (22) lie parallel to the axis (12) about which the feed chute (5) is pivotable.
  4. A travelling crushing device in accordance with Claim 1, characterised in that the feed chute upper boundary-edge (7) facing the crushing tool (3) slopes towards the chassis framework (2) - containing the crushing tool (3) and its driving motor - in a manner known per se, and in that the angle of inclination of this slope substantially corresponds to the angle of inclination of the central pivot (14) to the vertical.
  5. A travelling crushing device in accordance with Claim 1 or 2, characterised in that in a manner known per se, the frame bearing the conveyer belt (15) is - with reference to its longitudinal direction - composed of at least two portions (16, 17) pivotable in relation to one another, and in that the axle unit (22) is coupled to the conveyor belt portion (16) in or close to that region thereof upon which there acts the piston-cylinder unit (19) serving to vertically pivot the conveyer belt (5).
  6. A travelling crushing device in accordance with Claim 1, characterised in that the mechanism connecting the conveyer belt (15) and the axle unit (22) is vertically-adjustable.
EP92120618A 1991-12-18 1992-12-03 Mobile crusher apparatus Expired - Lifetime EP0547440B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2503/91 1991-12-18
AT0250391A AT396435B (en) 1991-12-18 1991-12-18 MOBILE CRUSHING DEVICE

Publications (2)

Publication Number Publication Date
EP0547440A1 EP0547440A1 (en) 1993-06-23
EP0547440B1 true EP0547440B1 (en) 1996-11-06

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EP92120618A Expired - Lifetime EP0547440B1 (en) 1991-12-18 1992-12-03 Mobile crusher apparatus

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US (1) US5460332A (en)
EP (1) EP0547440B1 (en)
JP (1) JP3215198B2 (en)
AT (2) AT396435B (en)
CA (1) CA2085321C (en)
DE (1) DE59207491D1 (en)
ES (1) ES2096706T3 (en)

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Publication number Publication date
DE59207491D1 (en) 1996-12-12
JPH0623297A (en) 1994-02-01
ATA250391A (en) 1993-01-15
CA2085321C (en) 2004-05-04
EP0547440A1 (en) 1993-06-23
ATE144918T1 (en) 1996-11-15
AT396435B (en) 1993-09-27
ES2096706T3 (en) 1997-03-16
JP3215198B2 (en) 2001-10-02
US5460332A (en) 1995-10-24
CA2085321A1 (en) 1993-06-19

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