EP0396783A1 - Mobile crushing plant - Google Patents

Mobile crushing plant Download PDF

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Publication number
EP0396783A1
EP0396783A1 EP87114551A EP87114551A EP0396783A1 EP 0396783 A1 EP0396783 A1 EP 0396783A1 EP 87114551 A EP87114551 A EP 87114551A EP 87114551 A EP87114551 A EP 87114551A EP 0396783 A1 EP0396783 A1 EP 0396783A1
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EP
European Patent Office
Prior art keywords
frame
rear end
chassis
ground
end portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87114551A
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German (de)
French (fr)
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EP0396783B1 (en
Inventor
Günther Benen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MSG MASCHINEN-SERVICE GMBH
Original Assignee
MSG Maschinen-Service GmbH
Salzgitter Maschinenbau GmbH
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Publication date
Application filed by MSG Maschinen-Service GmbH, Salzgitter Maschinenbau GmbH filed Critical MSG Maschinen-Service GmbH
Priority to AT87114551T priority Critical patent/ATE86530T1/en
Publication of EP0396783A1 publication Critical patent/EP0396783A1/en
Application granted granted Critical
Publication of EP0396783B1 publication Critical patent/EP0396783B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 shredding system which has a semi-trailer trailer chassis provided with a wheel set, on the frame of which a shredding machine is provided on the rear end provided with the wheelset and on the front end a feeding device consisting of feed hopper and belt or chain scraper conveyor which feeds the shredding machine is arranged.
  • the invention has for its object to design such a mobile shredding system so that not only the task end of the belt conveyor is lowered by the tilting movement of the frame, but also the shredding machine is raised from a low-lying driving position into an elevated operating position.
  • This is achieved according to the invention in that the frame in front of the wheel set has a support device which sits on the ground, around which the frame together with the wheel set is tilted when the rear end thereof is raised by means of the lifting device provided there.
  • the lifting device must be a Apply practically the full weight of the shredder and part of the weight of the belt conveyor force if, at the end of the tilting movement, the crusher system is raised so far that the undercarriage and its springs are unloaded and are thus kept free from the vibrations that occur during operation.
  • the support device on the frame of the chassis can be lowered so that when the chassis is swiveled up, the front end of the frame or the end of the feed device which may protrude forward does not touch the ground before the rear end of the chassis has reached the desired height.
  • the support device is arranged at a short distance in front and the lifting device is arranged at a short distance behind the wheel set on the frame, since this results in favorable lever ratios for the stroke and compact arrangements for the actuating means.
  • An advantageous embodiment of the invention also results if the frame of the chassis in the arrangement area of the shredding machine is angled so far down that the support area runs approximately horizontally when the chassis is raised.
  • the chassis 1 is designed as a semitrailer-trailer chassis and consists of a frame 2 and a wheel set 3. On the rear end 4 of the frame, a crushing machine 5 designed as an impact mill is provided, which is provided with a discharge nozzle 6. A vibration conveyor 7 is attached under the comminution machine and opens into the discharge nozzle 6.
  • the material to be shredded is poured into a feed hopper 8 and passes from it onto a conveyor 9, which is designed as a belt or chain scraper conveyor, which leads obliquely upwards to a pre-screen 10, from which the overflow falls through a feed hood 11 into the shredding machine 5 .
  • the sieve passage falls into a hopper 12 and out of it onto a conveyor belt 13.
  • a supporting ram 14 is arranged on both sides in front of the wheel set 3 and a lifting ram 15 behind the wheel set.
  • the frame is angled down at its rear end 4 in the support area for the shredder 5, while the front, somewhat cranked end 16 of the frame 2 is provided with a kingpin 17 for connection to a tractor 18.
  • the permissible driving height is designated with h.

Abstract

A mobile crushing plant has an elongated frame with a front end portion connectable to a towing vehicle and a rear end portion supporting a comminuting machine which receives material to be crushed from a feeding unit having an inlet above the front end portion of the frame. When the plant is in use, the front end portion is detached from the towing vehicle and a first set of jacks in front of a pair of normally ground-contacting wheels is lowered into contact with the ground. A second set of jacks behind the wheels is then extended to lift the rear end portion by pivoting the frame about the lower end of the first set of jacks so that the inlet of the feeding unit is moved nearer to the ground and the comminuting machine is lifted above and away from the ground. A portion of the feeding unit is substantially horizontal when the front end portion of the frame is attached to the vehicle or when the crushing plant is in use.

Description

Die Erfindung betrifft eine fahrbare Zerkleinerungsanlage, die ein mit einem Radsatz versehenes Sattelschlepper-An­hängerfahrgestell aufweist, auf dessen Rahmen an dem mit dem Radsatz versehenen hinteren Ende eine Zerkleinerungs­maschine und an dem vorderen Ende eine aus Aufgabetrich­ter und Band- oder Kettenkratzerförderer bestehende, der Zerkleinerungsmaschine zufördernde Aufgabevorrichtung angeordnet ist.The invention relates to a mobile shredding system which has a semi-trailer trailer chassis provided with a wheel set, on the frame of which a shredding machine is provided on the rear end provided with the wheelset and on the front end a feeding device consisting of feed hopper and belt or chain scraper conveyor which feeds the shredding machine is arranged.

Bei der Konstruktion solcher Anlagen hat man sich bemüht, daß in der Betriebsstellung das Aufgabeende des Band­förderers möglichst tief zu liegen kommt, und hierzu die Aufgabevorrichtung schwenkbar auf dem Fahrgestell ange­ordnet, damit sich das über das Fahrgestell hinausragende Ende beim Hochschwenken aus der Fahrstellung in die Be­triebsstellung bis nahe an den Boden absenkt (DE-OS 32 28 735). Schwierigkeiten bestehen aber, insbesondere wenn die auf dem Fahrgestell angeordnete Zerkleinerungs­maschine eine nach unten gerichtete Ausfallöffnung auf­weist, bei der Weiterführung des aus der Zerkleinerungs­maschine ausfallenden zerkleinerten Gutes, weil unterhalb des Fahrgestells nicht genügend Raum für Fördereinrich­tungen vorhanden ist. Ein Hochkröpfen des Fahrgestell­rahmens ist meist nicht möglich, weil die Zerkleinerungs­maschine eine solche Bauhöhe aufweist, daß die für den Straßenverkehr zulässige Höhe dann überschritten würde. Man hat daher den Boden unter der Ausfallöffnung ausge­schachtet und in der Grube den Förderer angeordnet, was aber nicht immer möglich ist.In the construction of such systems, efforts have been made to ensure that the feed end of the belt conveyor comes to lie as low as possible in the operating position, and for this purpose the feed device is pivotably arranged on the chassis so that the end projecting beyond the chassis swings up from the driving position into the operating position lowered to close to the ground (DE-OS 32 28 735). Difficulties exist, however, especially when the shredding machine arranged on the chassis has a downward opening, in the continuation of the shredded material falling out of the shredding machine, because there is not enough space below the chassis for conveying devices. Cranking up the chassis frame is usually not possible because the size of the shredding machine is such that the height permitted for road traffic would then be exceeded. The soil was therefore excavated under the drop opening and the conveyor was arranged in the pit, but this is not always possible.

Bei einer anderen bekannten Anlage (DE-GmS 85 34 877), bei der das Unterbodengerüst des Bandförderers für eine über diesem angeordnete Brechwalze als Rahmen eines Sattelschlepper-­Anhängerfahrgestell dient, ist dieser Rahmen an seinem hinteren, mit dem Radsatz versehenen Ende, auf dem die Brech­walze angeordnet ist, mit Hubvorrichtungen versehen, mit denen der Rahmen um eine auf dem Radsatz vorgesehene waage­rechte Querachse gekippt werden kann, so daß sich das vordere Ende auf den Boden auflegt. Durch diese Ausbildung wird, wie bei der schon erwähnten bekannten Anlage das vorn befindliche Aufgabeende des Bandförderers auf den Boden abgesenkt. Die am anderen Ende vorgesehene Zerkleinerungsmaschine wird jedoch nicht angehoben, weil sie über der Kippachse angeordnet ist.In another known system (DE-GmS 85 34 877), in which the underbody structure of the belt conveyor serves as a frame for a semi-trailer trailer chassis for a crushing roller arranged above it, this frame is at its rear end provided with the wheel set on which the Crushing roller is arranged, provided with lifting devices with which the frame can be tilted about a horizontal transverse axis provided on the wheel set, so that the front end lies on the ground. As a result of this design, as in the known system already mentioned, the front end of the belt conveyor is lowered to the floor. However, the shredding machine provided at the other end is not raised because it is arranged above the tilt axis.

Der Erfindung liegt die Aufgabe zugrunde, eine solche fahr­bare Zerkleinerungsanlage so auszubilden, daß durch die Kipp­bewegung des Rahmens nicht nur das Aufgabeende des Bandför­derers abgesenkt, sondern auch die Zerkleinerungsmaschine aus einer tiefliegenden Fahrstellung in eine hochliegende Betriebs­stellung angehoben wird. Dies wird erfindungsgemäß dadurch erreicht, daß der Rahmen vor dem Radsatz eine sich auf den Bo­den aufsetzende Stützvorrichtung aufweist, um die der Rahmen mitsamt dem Radsatz beim Anheben seines hinteren Endes mittels der dort vorgesehenen Hubvorrichtung gekippt wird.The invention has for its object to design such a mobile shredding system so that not only the task end of the belt conveyor is lowered by the tilting movement of the frame, but also the shredding machine is raised from a low-lying driving position into an elevated operating position. This is achieved according to the invention in that the frame in front of the wheel set has a support device which sits on the ground, around which the frame together with the wheel set is tilted when the rear end thereof is raised by means of the lifting device provided there.

Diese Ausbildung hat im Vergleich mit der Anlage gemäß der DE-GmS 85 34 877 den weiteren erheblichen Vorteil, daß infol­ge der anderen Hebelverhältnisse das Gewicht des Bandförderers das durch die Kippbewegung erfolgende Anheben der Zerkleine­rungsmaschine unterstützt, so daß die von der Hubvorrichtung aufzubringenden Kräfte erheblich geringer sind. Denn die Stützvorrichtung befindet sich in der Nähe des Schwerpunktes der Anlage.This training has in comparison with the system according to DE-GmS 85 34 877 the further significant advantage that, due to the other lever ratios, the weight of the belt conveyor supports the lifting of the shredding machine by the tilting movement, so that the forces to be applied by the lifting device are considerably lower are. Because the support device is located near the center of gravity of the system.

Bei der bekannten Anlage muß die Hubvorrichtung dagegen eine praktisch dem vollen Gewicht der Zerkleinerungsmaschine und einem Teil des Gewichts des Bandförderers entsprechende Kraft aufbringen, wenn sie am Ende der Kippbewegung die Brecher­anlage so weit anhebt, daß das Fahrwerk und dessen Federn unbelastet und dadurch von den beim Betrieb auftretenden Erschütterungen freigehalten sind.In the known system, however, the lifting device must be a Apply practically the full weight of the shredder and part of the weight of the belt conveyor force if, at the end of the tilting movement, the crusher system is raised so far that the undercarriage and its springs are unloaded and are thus kept free from the vibrations that occur during operation.

Es ist zwar bekannt, das Fahrgestell einer derartigen Brech­anlage (Rahmen mitsamt Radsatz) mittels Hubstempeln über seine ganze Länge gleichmäßig anzuheben (DE-PS 31 10 444), doch löst man damit nur das eine Problem, nämlich das An­heben der Zerkleinerungsmaschine, während die Lösung des anderen Problems erschwert wird und z. B. durch eine geson­dert verschwenkbare Fördereinrichtung erfolgen muß.It is known to evenly raise the chassis of such a crushing plant (frame including wheel set) by means of lifting stamps over its entire length (DE-PS 31 10 444), but this solves only one problem, namely the lifting of the shredding machine, while the solution the other problem is complicated and z. B. must be done by a separately pivotable conveyor.

Vorteilhaft ist es, wenn bei der erfindungsgemäßen Zerkleine­rungsanlage die Stützvorrichtung am Rahmen des Fahrgestells absenkbar ist, damit beim Hochschwenken des Fahrgestells das vordere Ende des Rahmens oder das ihn gegebenenfalls nach vorn überragende Ende der Aufgabevorrichtung den Boden nicht berührt, ehe das hintere Ende des Fahrgestells die gewünschte Höhe erreicht hat.It is advantageous if, in the shredding system according to the invention, the support device on the frame of the chassis can be lowered so that when the chassis is swiveled up, the front end of the frame or the end of the feed device which may protrude forward does not touch the ground before the rear end of the chassis has reached the desired height.

Es kann nützlich sein, wenn die Stützvorrichtung mit ge­ringem Abstand vor und die Hubvorrichtung mit geringem Ab­stand hinter dem Radsatz an dem Rahmen angeordnet ist, da sich dann günstige Hebelverhältnisse für den Hub und ge­drängte Anordnungen für die Betätigungsmittel ergeben.It can be useful if the support device is arranged at a short distance in front and the lifting device is arranged at a short distance behind the wheel set on the frame, since this results in favorable lever ratios for the stroke and compact arrangements for the actuating means.

Eine vorteilhafte Ausgestaltung der Erfindung ergibt sich ferner, wenn der Rahmen des Fahrgestells im Anordnungs­bereich der Zerkleinerungsmaschine so weit nach unten ab­gewinkelt ist, daß der Auflagebereich bei hochgesehwenktem Fahrgestell etwa waagerecht verläuft.An advantageous embodiment of the invention also results if the frame of the chassis in the arrangement area of the shredding machine is angled so far down that the support area runs approximately horizontally when the chassis is raised.

In der Zeichnung ist die Erfindung veranschaulicht, und zwar zeigt

  • Fig. 1 die Anlage in Fahrstellung und
  • Fig. 2 die Anlage in Betriebsstellung.
The invention is illustrated in the drawing and shows
  • Fig. 1 the system in the driving position and
  • Fig. 2 shows the system in the operating position.

Das Fahrgestell 1 ist als Sattelschlepper-Anhängerfahrge­stell ausgebildet und besteht aus einem Rahmen 2 und einem Radsatz 3. Auf dem hinteren Ende 4 des Rahmens ist eine als Prallmühle ausgebildete Zerkleinerungsmaschine 5 angeordnet, die mit einem Ausfallstutzen 6 versehen ist. Unter der Zer­kleinerungsmaschine ist ein Vibrationsförderer 7 angebracht, der in den Ausfallstutzen 6 mündet. Das zu zerkleinernde Gut wird in einen Aufgabetrichter 8 geschüttet und gelangt aus ihm auf einen Förderer 9, der als Band- oder Ketten­kratzerförderer ausgebildet ist, der schräg aufwärts zu einem Vorsieb 10 führt, von dem der Überlauf durch eine Aufgabehaube 11 in die Zerkleinerungsmaschine 5 fällt. Der Siebdurchgang fällt in einen Trichter 12 und aus diesem auf ein Förderband 13. An dem Rahmen 2 ist beiderseits vor dem Radsatz 3 je ein Stützstempel 14 und hinter dem Radsatz je ein Hubstempel 15 angeordnet. Der Rahmen ist an seinem hinteren Ende 4 im Auflagebereich für die Zerkleinerungs­maschine 5 nach unten abgewinkelt, während das vordere, etwas hochgekröpfte Ende 16 des Rahmens 2 mit einem Königs­zapfen 17 für den Anschluß an einen Sattelschlepper 18 ver­sehen ist. Mit h ist die zulässige Fahrhöhe bezeichnet.The chassis 1 is designed as a semitrailer-trailer chassis and consists of a frame 2 and a wheel set 3. On the rear end 4 of the frame, a crushing machine 5 designed as an impact mill is provided, which is provided with a discharge nozzle 6. A vibration conveyor 7 is attached under the comminution machine and opens into the discharge nozzle 6. The material to be shredded is poured into a feed hopper 8 and passes from it onto a conveyor 9, which is designed as a belt or chain scraper conveyor, which leads obliquely upwards to a pre-screen 10, from which the overflow falls through a feed hood 11 into the shredding machine 5 . The sieve passage falls into a hopper 12 and out of it onto a conveyor belt 13. On the frame 2, a supporting ram 14 is arranged on both sides in front of the wheel set 3 and a lifting ram 15 behind the wheel set. The frame is angled down at its rear end 4 in the support area for the shredder 5, while the front, somewhat cranked end 16 of the frame 2 is provided with a kingpin 17 for connection to a tractor 18. The permissible driving height is designated with h.

Nach dem Abheben des vorderen Endes des Fahrgestells 1 von dem Sattelschlepper 18, was mittels der Stützstempel 14 bewirkt wird, erfolgt ein Hochschwenken des gesamten Fahr­gestells (Rahmen 2 und Radsatz 3) um eine durch die Auf­lagestellen der beiden Stützstempel 14 gehende gedachte Achse mittels der Hubstempel 15, so daß sich die in Fig. 2 dargestellte Lage ergibt, in der das untere Ende des Förderers 9 nahe dem Boden und damit der Aufgabetrichter 8 so niedrig wie möglich liegt, während die Zerkleine­rungsmaschine 5 so hoch zu liegen kommt, daß unter deren Ausfallstutzen 6 genügend Raum für einen das ausfallende Gut wegschaffenden Förderer 19 frei wird.After lifting the front end of the chassis 1 from the tractor 18, which is effected by means of the support stamp 14, the entire chassis (frame 2 and wheel set 3) is swiveled up about an imaginary axis passing through the support points of the two support stamps 14 by means of the lifting stamp 15, so that there is the position shown in Fig. 2, in which the lower end of Conveyor 9 near the bottom and thus the feed hopper 8 is as low as possible, while the shredder 5 comes to be so high that enough space is free for a conveyor 19 which removes the failing material from its discharge nozzle 6.

Claims (4)

1. Fahrbare Zerkleinerungsanlage, die ein mit einem Radsatz versehenes Sattelschlepper-Anhängerfahrgestell aufweist, auf dessen Rahmen an dem mit dem Radsatz versehenen hinteren Ende einer Zerkleinerungsmaschine und an dem vorderen Ende eine aus Aufgabetrichter und Band- oder Kettenkratzerförderer bestehende, der Zerkleinerungsma­schine zufördernde Aufgabevorrichtung angeordnet ist, und bei der der Rahmen mittels an seinem hinteren Ende vorge­sehener Hubvorrichtungen durch Anheben des hinteren Endes aus der im wesentlichen waagerechten Fahrstellung in eine Betriebsstellung gekippt werden kann, in der das vordere Ende dem Boden genähert ist, dadurch gekennzeichnet, daß der Rahmen (2) vor dem Radsatz (3) eine sich auf den Boden aufsetzende Stützvorrichtung (14) aufweist, um die der Rahmen mitsamt dem Radsatz beim Anheben seines hin­teren Endes gekippt wird.1. Mobile crushing plant, which has a semitrailer trailer chassis provided with a wheel set, on the frame of which is arranged at the rear end of a shredding machine provided with the wheelset and at the front end a feed device consisting of feed hopper and belt or chain scraper conveyor and conveying the shredding machine , and in which the frame can be tilted by means of lifting devices provided at its rear end by lifting the rear end from the substantially horizontal driving position into an operating position in which the front end is approached to the ground, characterized in that the frame (2) in front of the wheelset (3) has a support device (14) sitting on the ground, around which the frame together with the wheelset is tilted when its rear end is raised. 2. Fahrbare Zerkleinerungsanlage nach Anspruch 1, da­durch gekennzeichnet, daß die Steuervorrichtung (14) am Rahmen (2) absenkbar ist.2. Mobile crushing plant according to claim 1, characterized in that the control device (14) on the frame (2) can be lowered. 3. Fahrbare Zerkleinerungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Stützvorrichtung (14) mit ge­ringem Abstand vor und die Hubvorrichtung (15) mit ge­ringem Abstand hinter dem Radsatz (3) an dem Rahmen (2) angeordnet ist.3. Mobile shredding system according to claim 1, characterized in that the support device (14) at a short distance in front and the lifting device (15) at a short distance behind the wheel set (3) on the frame (2) is arranged. 4. Fahrbare Zerkleinerungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß der Rahmen des Fahrgestells (1) im Anordnungsbereich der Zerkleinerungsmaschine (5) so weit nach unten abgewinkelt ist, daß der Auflagebe­reich bei hochgeschwenktem Fahrgestell etwa waagerecht verläuft.4. Mobile shredding system according to claim 1, characterized in that the frame of the chassis (1) in the arrangement area of the shredding machine (5) is angled so far down that the support area extends approximately horizontally when the chassis is pivoted up.
EP87114551A 1986-11-03 1987-10-06 Mobile crushing plant Expired - Lifetime EP0396783B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87114551T ATE86530T1 (en) 1986-11-03 1987-10-06 MOBILE SHREDDING PLANT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3637389 1986-11-03
DE19863637389 DE3637389A1 (en) 1986-11-03 1986-11-03 MOBILE CRUSHING PLANT

Publications (2)

Publication Number Publication Date
EP0396783A1 true EP0396783A1 (en) 1990-11-14
EP0396783B1 EP0396783B1 (en) 1993-03-10

Family

ID=6313050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87114551A Expired - Lifetime EP0396783B1 (en) 1986-11-03 1987-10-06 Mobile crushing plant

Country Status (4)

Country Link
US (1) US4903903A (en)
EP (1) EP0396783B1 (en)
AT (1) ATE86530T1 (en)
DE (2) DE3637389A1 (en)

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DE3228735A1 (en) * 1982-07-31 1984-02-02 Hazemag Dr. E. Andreas GmbH & Co, 4400 Münster Mobile or travelling comminution plant
DE8534877U1 (en) * 1985-12-12 1986-02-20 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Mobile crushing plant

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Publication number Priority date Publication date Assignee Title
WO1993006930A1 (en) * 1991-10-02 1993-04-15 Douglas Patrick J Mobile crusher/shredder apparatus

Also Published As

Publication number Publication date
EP0396783B1 (en) 1993-03-10
ATE86530T1 (en) 1993-03-15
DE3637389A1 (en) 1988-05-19
US4903903A (en) 1990-02-27
DE3637389C2 (en) 1992-07-09
DE3784740D1 (en) 1993-04-15

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