EP2236745B1 - Engin d'abatage, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour engin d'abatage - Google Patents

Engin d'abatage, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour engin d'abatage Download PDF

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Publication number
EP2236745B1
EP2236745B1 EP20100157057 EP10157057A EP2236745B1 EP 2236745 B1 EP2236745 B1 EP 2236745B1 EP 20100157057 EP20100157057 EP 20100157057 EP 10157057 A EP10157057 A EP 10157057A EP 2236745 B1 EP2236745 B1 EP 2236745B1
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EP
European Patent Office
Prior art keywords
transport device
machine frame
conveyor suspension
suspension device
accordance
Prior art date
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Application number
EP20100157057
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German (de)
English (en)
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EP2236745A2 (fr
EP2236745A3 (fr
Inventor
Winfried von Schönebeck
Thomas Mannebach
Cyrus Barimani
Günter HÄHN
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Wirtgen GmbH
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Wirtgen GmbH
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Priority to EP14175635.3A priority Critical patent/EP2835495B1/fr
Publication of EP2236745A2 publication Critical patent/EP2236745A2/fr
Publication of EP2236745A3 publication Critical patent/EP2236745A3/fr
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Publication of EP2236745B1 publication Critical patent/EP2236745B1/fr
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Classifications

    • 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

Definitions

  • the invention relates to a mining machine, in particular a surface miner according to the preamble of claim 1, and a method for removing and installing a transport device in a mining machine according to the preamble of claim 13.
  • Such mining machines are used in opencast mining, earthworks and rock construction, such a mining machine being e.g. Rock cuts, breaks and loads in one go, without the need for blasting.
  • the mining machine is also suitable for the extraction of gypsum, soft limestone or coal.
  • a cutting roller is used, which transfers the decomposition material to a first transport device, which is arranged stationary but interchangeable within the machine frame.
  • the excavation material is transported obliquely upwards on the first transport device to a discharge point at which the excavation material is dropped onto a second transport device whose lower end is located below the upper end of the first transport device.
  • the second transport device also transports the decomposition material from a transfer point at the lower end of the second transport device up to a discharge point at which the mining material can either be dropped on a transport vehicle or laterally next to the mining machine.
  • the second transport device is laterally pivotable by ⁇ 90 ° by a Bandauftress theory stressed for the second transport device is pivotable about a vertical axis, which passes virtually through the transfer point.
  • the second transport means is pivotable about a horizontal pivot axis to bring the upper end of the second transport means to a desired discharge height.
  • the figures vertical and horizontal are to be understood as meaning that the mining machine stands on a horizontal ground.
  • the invention is therefore an object of the invention to provide a mining machine of the type mentioned, and a method for installing and removing a stationary transport device in a mining machine, in which the installation and removal of the transport device with little expenditure of time is possible.
  • the invention advantageously provides that the band suspension device can be pivoted together with the second transport device relative to the machine frame about a second horizontal pivot axis.
  • the second transport device can be swiveled by a certain angle, for example 30 °, with the belt suspension device supporting it so that the lower end of the second transport device is no longer below the upper end of the first transport device.
  • machine elements are used in an advantageous manner, which are present anyway on the mining machine.
  • the band suspension device is pivotally connected to the machine frame and the second pivot axis is provided on the band suspension device such that the band suspension device can be pivoted out of the overlap region with the second transport device.
  • the second horizontal pivot axis is offset at least in the height direction relative to the first pivot axis upwards.
  • the second horizontal pivot axis at least during the pivoting of the tape suspension device has a vertical distance from the bottom, which is greater than the direct distance of the pivot axis to the lower outer end of the second transport device.
  • the tape suspension device can be locked in a working position for pivoting the second transport device and in a swivel position for mounting and dismounting the first transport device.
  • the tape hanger is pivotable relative to the machine frame, the second horizontal pivot axis being journalled in an element of the machine frame, which may also include locking devices that lock the tape hanger in two different pivot positions.
  • the element of the machine frame consists of plates arranged on both sides of the tape suspension device, which on the one hand support the second horizontal pivot axis at their ends and, on the other hand, have bores angularly offset by a desired angle, eg 30 °, relative to the second horizontal pivot axis. Grab through these holes Bolt in the Bandauf Kunststoff worn, so that the Bandaufh briefly adopted can be fixed in the respective angular positions. It is understood that the locking pins can not only be set manually, but can also be brought by means of a drive in a locking or release position.
  • a mounted on the machine frame slewing ring is pivotable about the vertical pivot axis and carries on one side of the turntable the Bandauftress discomfort experienced for the second transport device. On the opposite side may be additionally provided a counterweight.
  • the counterweight is used to compensate for the forces acting on the machine frame moments due to the weight load and the pivot position of the second conveyor.
  • the pivoting of the tape suspension device can be done with motor help, for example, in the region of the second horizontal pivot axis preferably a hydraulic rotary drive, possibly combined with a reduction gear, the Bandaufitational stressed pivoted relative to the machine frame to the second horizontal pivot axis.
  • an actuator mounted on the turntable or on the machine frame may engage the tape hanger vertically spaced from the second horizontal pivot axis to pivot the tape hanger about the second horizontal pivot axis.
  • an adjusting device of a traversing device for the counterweight can also be used for pivoting the tape suspension unit.
  • the second transport device has an endlessly circulating conveyor belt, which is guided at the mutually ends via a drive roller and a deflection roller.
  • the drive roller is preferably arranged at the upper end of the second transport device and can be displaced outwardly via a belt tensioning device for tensioning.
  • the belt tensioning device consists of a grease tensioner. This has the advantage that the belt tensioning device can be operated from a remote location.
  • a grease supply device may be provided for the grease seal which extends over the entire length of the second transport device and which has a grease feed connection at the lower end of the second transport device or on the machine frame such that the grease supply connection is accessible to a person standing on the ground ,
  • the band suspension device In the working position, the band suspension device is connected to the machine frame via the second horizontal pivot axis and secured in the working position with locking pins, which are passed through an element of the machine frame and engage in the band suspension device.
  • the lock for the pivot position of the tape suspension device is first repealed and pivoted by means of a drive Bandaufitational stressed to the second horizontal pivot axis until the desired and preset pivot position is reached. Subsequently, in turn, the locking means are introduced to lock the Bandaufitational worn in the pivot position.
  • the lower end of the second transport device is pivoted in such a way that it no longer overlaps the upper end of the stationary transport device which is fastened in the machine frame. Then, with the help of eg a lifting device, in particular a pulley, the first at the top of the fixed stationary transport device to the machine frame are lowered.
  • the lower end of the machine frame can be decoupled. Then the Bandaufmann Kunststoff soothing can be pivoted back into its working position and locked there. After the removed first transport device rests freely on the ground, the required maintenance work, e.g. a band exchange, easily accessible. The installation of the first transport device takes place in the opposite order.
  • Fig. 1 shows a mining machine 1, namely a surface miner for working off mining material such as rock, limestone or coal u. like.
  • the mining machine 1 has a machine frame 2, in which a cutting roller 4 is mounted, with which the decomposition material is milled from the bottom 3.
  • cutting roller 4 is lowered for this purpose on the floor 3 and brought to a preset milling depth.
  • the cutting roller 4 due to its rotation, raises the excavation material to a first stationary, but removable, first machine 6 supported in the machine frame 2 and extending obliquely upward from the cutting drum 4 in the machine frame 2.
  • the first transport device 6 has an endlessly circulating conveyor belt 7, which discharges the decomposition material at the upper rear end 22 of the first transport device 6 onto a transfer point 18 of a second transport device 12.
  • the first transport device 6 is suspended at its lower front end in a belt shoe 9 and at its upper end 22 releasably secured to the machine frame 2.
  • the second transport device 12 also has an endlessly circulating conveyor belt 50, which transports the removal material from the transfer point 18 in the lower region of the second transport device 12 to a discharge point 20 at which the removal material can be unloaded onto a vehicle or laterally onto the ground 3 can be dropped.
  • the second transport device 12 is supported by a belt hanger 10 which is pivotally attached to the machine frame 2.
  • the band suspension device 10 consists for example of a portal 13, which receives the second transport device 12 between struts 11.
  • the parallel, preferably vertically extending struts 11 of the portal 13 are angled at its lower end towards the front of the machine frame 2 and take at its the lower end 14 of the second conveyor end facing a horizontal pivot axis 24 to the second transport means 12 pivotally mounted in the band suspension device 10.
  • an adjusting device 16 in conjunction with a cable 17, which are pivotally mounted at the upper end of the portal, the second conveyor 12 can be changed in terms of their pitch angle and thus the height of the discharge point 20 can be determined.
  • the cable pull 17 preferably engages in the upper third of the second transport device 12.
  • the tape suspension device 10 is pivotable about a second horizontal pivot axis 28, which is mounted on the one hand in the vertical struts 11 and on the other hand on an element 25 of the machine frame 2.
  • the element 25 of the machine frame 2 has two substantially triangular plates 26, which has at its lower end holes 27 and 29 for the insertion of locking pins.
  • the holes 27 and 29 are angularly spaced by a desired pivot angle for the tape hanger 10. This swivel angle can be for example 30 °.
  • locking pins are inserted into the holes 27, so that the struts 11 of the band suspension device 10 are locked vertically.
  • pivot position of the Bandaufitationg 10 are the locking pins in the holes 29, in both mutually parallel struts 11 on both sides of the second transport device 12.
  • an adjusting device 36 is used in conjunction with a pull cable 38 which engages at a vertical distance from the pivot axis 28 at the upper end of the struts 11, preferably on both struts 11 of the portal thirteenth
  • the adjusting device 36 may be coupled directly to the machine frame 2, or as shown in the drawings, be attached to a turntable 30 which is pivotable about a vertical axis 8 relative to the machine frame 2 by, for example, ⁇ 90 ° and thus on the Bandaufmann von 10 a Pivoting the second conveyor 12 allows to the side.
  • a movable counterweight 34 can be arranged on the side opposite the tape suspension device 10, which can be moved to reduce acting on the machine frame 2 moments in different positions. Accordingly, the counterweight 34 can be moved out to different extents in accordance with the load of the second transport device 12 with decomposition material and depending on the pivot position of the second transport device 12 both laterally and vertically.
  • the already mentioned adjusting device 36 may be used be moved the counterweight 34 by means of a linkage 44 on a carriage 39 different far outward.
  • the adjusting device 36 are also used for pivoting the tape suspension device 10.
  • the first transport device can be dismantled by first the front end 22 of the first transport device 6 is released from the machine frame 2 and the first transport device, as shown in FIG Fig. 3 can be lowered via a lifting device, such as a pulley can be lowered.
  • Fig. 3 shows the first transport device 6 in the lowered position, in which the tape hanger 10 has been pivoted back into the working position. It is understood that the tape suspension device 10 may remain in the pivot position.
  • the attachment of the first transport device 6 to the belt shoe 9 can be released, thereby releasing the first transport device 6 completely from the machine frame 2.
  • FIGS. 5 and 6 show the receiving device 46 for the lower front end of the first transport device 6 on the belt shoe. 9
  • Fig. 5 showed a side view of a mounting plate 48, with which the first transport device 6 can be attached to both sides of the belt shoe 9. Laterally projecting from the first transport means 6 bearing pin 55 can be pulled out after removal of the mutual mounting plates 48 from the holder 46, for example, that the mining machine 1 is moved forward, the laterally projecting bearing pin 55 can slide on the mutual slopes 56 on the belt shoe and the first transport device 6 can settle on the floor 3.
  • the conveyor belt 50 of the second transport device 12 can be kept taut by means of a belt tensioning device consisting of a grease tensioner 58, wherein the grease tensioner acts on the linearly movable axis 60 of the upper drive roller 52 for the transport belt 50.
  • the endless circulating conveyor belt 50 is driven via the upper drive roller 52 and deflected by the lower guide roller 54.
  • the fat tensioner 58 has a grease feed device 62, which extends downwards along the second transport device 12 and opens into a grease feed port 64, which is accessible from the bottom 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Disintegrating Or Milling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Claims (13)

  1. Machine d'abattage (1) pour les travaux d'excavation d'un sol (3), en particulier Surface Miner, avec
    - un châssis de machine (2),
    - un tambour de taille (4) supporté dans le châssis de machine (2),
    - un premier dispositif de transport (6) qui prend en charge le matériau d'excavation à la sortie du tambour de taille (4),
    - un deuxième dispositif de transport (12), qui prend en charge le matériau d'excavation à la sortie du premier dispositif de transport (6) au niveau d'un point de prise en charge (18) disposé à l'extrémité inférieure (14) du deuxième dispositif de transport (12), et qui se trouve au-dessous de l'extrémité supérieure (22) du premier dispositif de transport (6),
    - un dispositif de suspension de bande (10) pour le deuxième dispositif de transport (12), supporté pivotant sur le châssis de machine (2) autour d'un axe de pivotement vertical (8),
    - le deuxième dispositif de transport (12) étant capable de pivoter autour d'un premier axe de pivotement horizontal (24), supporté dans le dispositif de suspension de bande (10) et s'étendant transversalement à la direction longitudinale du deuxième dispositif de transport (12), et
    - l'axe de pivotement vertical (8) du dispositif de suspension de bande (10) traversant le point de prise en charge (18) de manière sensiblement centrale,
    caractérisée en ce que
    le dispositif de suspension de bande (10) est capable de pivoter par rapport au châssis de machine (2), en même temps que le deuxième dispositif de transport (12), autour d'un deuxième axe de pivotement horizontal (28).
  2. Machine d'abattage selon la revendication 1, caractérisée en ce que le deuxième axe de pivotement horizontal (28) présente, tout au moins pendant le pivotement du dispositif de suspension de bande (10), un écartement vertical avec le sol (3) qui est supérieur à l'écartement direct de l'axe de pivotement horizontal (28) avec l'extrémité inférieure (14) du deuxième dispositif de transport (12).
  3. Machine d'abattage selon la revendication 1 ou 2, caractérisée en ce que le dispositif de suspension de bande (10) peut être arrêté dans une position de travail et dans une position de pivotement en vue du montage et du démontage du premier dispositif de transport (6).
  4. Machine d'abattage selon revendication 1 à 3, caractérisée en ce qu'une couronne rotative (30), supportée sur le châssis de machine (2) et que l'on peut faire pivoter autour de l'axe de pivotement vertical (8), supporte le dispositif de suspension de bande (10).
  5. Machine d'abattage selon la revendication 4, caractérisée en ce que la couronne rotative (30) supporte un contrepoids (34) sur le côté opposé à celui du dispositif de suspension de bande (10).
  6. Machine d'abattage selon l'une des revendications 1 à 5, caractérisée en ce qu'un entraînement rotatif fait pivoter le dispositif de suspension de bande (10) autour du deuxième axe de pivotement horizontal (28), par rapport au châssis de machine (2).
  7. Machine d'abattage selon la revendication 4 ou 5, caractérisée en ce qu'un dispositif de réglage (36), fixé à la couronne rotative (30) ou au châssis de machine (2), agit sur le dispositif de suspension de bande (10), à distance verticale du deuxième axe de pivotement horizontal (28), pour faire pivoter le dispositif de suspension de bande (10) autour du deuxième axe de pivotement horizontal (28).
  8. Machine d'abattage selon la revendication 7, caractérisée en ce que le dispositif de réglage (36) d'un dispositif de déplacement (40) pour le contrepoids (34) fait pivoter le dispositif de suspension de bande (10).
  9. Machine d'abattage selon l'une des revendications 1 à 8, caractérisée en ce que le deuxième dispositif de transport (12) présente une bande de transport en rotation continue (50), qui est guidée aux deux extrémités (14,15) du deuxième dispositif de transport (12) par l'intermédiaire d'un galet d'entraînement (52) et d'un galet de renvoi (54), et en ce que le galet d'entraînement supérieur (52) peut être déplacé par l'intermédiaire d'un dispositif de serrage de bande, comprenant un galet tendeur à graisse (58), afin de tendre la bande de transport (50).
  10. Machine d'abattage selon la revendication 9, caractérisée en ce qu'un dispositif d'acheminement de graisse (62), s'étendant le long du deuxième dispositif de transport (12), est prévu pour le galet tendeur à graisse (58), et présente un raccord d'arrivée de graisse (64) à l'extrémité inférieure (15) du deuxième dispositif de transport (12) ou sur le châssis de machine (2).
  11. Procédé pour démonter et monter un dispositif de transport (6) pour une machine d'abattage (1) destinée aux travaux d'excavation d'un sol (3), en particulier d'un Surface Miner, où
    - le matériau d'excavation extrait est éjecté depuis un tambour de taille (4) sur un premier dispositif de transport (6) en position fixé dans le châssis de machine (2),
    - en un point de prise en charge(18) le matériau d'excavation se trouvant à l'extrémité supérieure (22) du premier dispositif de transport (6) est déversé sur l'extrémité inférieure (14) du deuxième dispositif de transport (12), pouvant pivoter,
    - le deuxième dispositif de transport (12) est porté par un dispositif de suspension de bande (10) pouvant pivoter autour d'un axe de pivotement vertical (8), et peut pivoter latéralement en même temps que le dispositif de suspension, et
    - le deuxième dispositif de transport (12) est en outre capable, par rapport au dispositif de suspension de bande (10), de pivoter autour d'un premier axe de pivotement horizontal (24),
    - l'axe de pivotement vertical (8) traversant le point de prise en charge (18),
    caractérisé en ce que
    ou fait pivoter le dispositif de suspension de bande (10) par rapport au châssis de machine (2) en même temps que le deuxième dispositif de transport (12), autour d'un deuxième axe de pivotement horizontal (28) décalé verticalement vers le haut par rapport au premier axe de pivotement (24), jusqu'à ce que l'extrémité supérieure libre du premier dispositif de transport (6) ne chevauche plus l'extrémité inférieure du deuxième dispositif de transport (12), et que le premier dispositif de transport (6) soit déposé au sol (3) après le pivotement du dispositif de suspension de bande (10) et après son montage du châssis de machine (2).
  12. Procédé selon la revendication 11, caractérisé en ce qu'on fait pivoter le dispositif de suspension de bande (10) autour d'un deuxième axe de pivotement horizontal (28), qui présente tout au moins pendant le pivotement un écartement avec le sol (3) qui est supérieur à l'écartement direct entre l'axe de pivotement horizontal (28) et l'extrémité inférieure (14) du deuxième dispositif de transport (12).
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce qu'on arrête le dispositif de suspension de bande (10) est bloqué dans la position de travail ou dans la position de pivotement.
EP20100157057 2009-03-20 2010-03-19 Engin d'abatage, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour engin d'abatage Active EP2236745B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14175635.3A EP2835495B1 (fr) 2009-03-20 2010-03-19 Abatteuse, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour abatteuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009013709A DE102009013709B4 (de) 2009-03-20 2009-03-20 Abbaumaschine, insbesondere Surface Miner, sowie Verfahren zum Aus- und Einbauen einer Transporteinrichtung bei einer Abbaumaschine

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP14175635.3A Division EP2835495B1 (fr) 2009-03-20 2010-03-19 Abatteuse, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour abatteuse
EP14175635.3A Division-Into EP2835495B1 (fr) 2009-03-20 2010-03-19 Abatteuse, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour abatteuse

Publications (3)

Publication Number Publication Date
EP2236745A2 EP2236745A2 (fr) 2010-10-06
EP2236745A3 EP2236745A3 (fr) 2013-10-02
EP2236745B1 true EP2236745B1 (fr) 2014-10-29

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EP20100157057 Active EP2236745B1 (fr) 2009-03-20 2010-03-19 Engin d'abatage, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour engin d'abatage
EP14175635.3A Not-in-force EP2835495B1 (fr) 2009-03-20 2010-03-19 Abatteuse, notamment Surface Miner, ainsi que procédé de démontage et de montage d'un dispositif de transport pour abatteuse

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DE (2) DE102009061034B4 (fr)

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Publication number Priority date Publication date Assignee Title
DE102014001921A1 (de) 2013-02-22 2014-08-28 Bomag Gmbh Fräswalze mit einer, insbesondere austauschbaren, Materialleiteinrichtung und Materialleiteinrichtung für eine Fräswalze
CN104251012A (zh) * 2013-06-27 2014-12-31 沈阳铝镁设计研究院有限公司 一种皮带廊底钢板与墙面檩条连接结构
CN105986822A (zh) * 2015-01-28 2016-10-05 山东重拓机械股份有限公司 全自动露天采矿机
DE102015212902A1 (de) 2015-07-09 2017-01-12 Wirtgen Gmbh Fräsmaschine zum Bearbeiten von Bodenoberflächen, Übergabeeinrichtung, sowie Verfahren zur Übergabe von abgefrästem Material
DE102020001163A1 (de) 2020-02-21 2021-08-26 Bomag Gmbh Materialübergabevorrichtung für eine bodenfräsmaschine und bodenfräsmaschine mit derartiger materialübergabevorrichtung
CN113622919B (zh) * 2021-08-26 2023-06-16 宁夏天地西北煤机有限公司 防滑移装置及移置式带式输送机

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US4342485A (en) * 1980-08-29 1982-08-03 Dynapac Maskin Ab Cold surface planer cooling apparatus
DE3509671A1 (de) * 1985-03-18 1986-09-25 Reinhard 5461 Windhagen Wirtgen Vorrichtung zur ausbeutung von lagerstaetten nach dem oberflaechengewinnungsverfahren
DE3621420C1 (de) * 1986-04-07 1987-10-29 Phb Weserhuette Ag Tagebau-Fraesgeraet
DE19726122C2 (de) * 1997-06-20 2002-03-07 Wirtgen Gmbh Vorrichtung zum Abfräsen von Bodenbelägen, insbesondere Fahrbahnen
US6276758B1 (en) * 1998-09-05 2001-08-21 MAN TAKRAF Fördertechnik GmbH Surface miner with tilting superstructure for depth control
DE202005005919U1 (de) * 2005-04-12 2005-06-30 Dbt Mineral Processing Gmbh Zwischenförderer insbesondere für die Kali- und Salzgewinnung
CA2567644C (fr) * 2005-11-09 2014-01-14 Suncor Energy Inc. Systeme mobile pour l'extraction du sable bitumineux
DE202007005756U1 (de) * 2007-04-19 2008-08-28 Wirtgen Gmbh Selbstfahrende Baumaschine
DE102007028812B4 (de) * 2007-06-20 2009-08-20 Wirtgen Gmbh Selbstfahrende Maschine zum Schneiden oder Fräsen, insbesondere Maschine zur Ausbeutung von Lagerstätten im Tagebaubetrieb
DE102007044090A1 (de) * 2007-09-14 2009-04-09 Wirtgen Gmbh Straßenfräsmaschine oder Maschine zur Ausbeutung von Lagerstätten

Also Published As

Publication number Publication date
EP2835495B1 (fr) 2017-08-02
DE102009013709B4 (de) 2011-04-28
DE102009013709A1 (de) 2011-01-05
DE102009061034B4 (de) 2014-07-17
EP2236745A2 (fr) 2010-10-06
DE102009061034A1 (de) 2011-02-24
EP2236745A3 (fr) 2013-10-02
EP2835495A1 (fr) 2015-02-11

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