EP3799967B1 - Installation de traitement de la roche - Google Patents

Installation de traitement de la roche Download PDF

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Publication number
EP3799967B1
EP3799967B1 EP20194273.7A EP20194273A EP3799967B1 EP 3799967 B1 EP3799967 B1 EP 3799967B1 EP 20194273 A EP20194273 A EP 20194273A EP 3799967 B1 EP3799967 B1 EP 3799967B1
Authority
EP
European Patent Office
Prior art keywords
transport device
machine frame
rock processing
transport
holder
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.)
Active
Application number
EP20194273.7A
Other languages
German (de)
English (en)
Other versions
EP3799967A1 (fr
EP3799967C0 (fr
Inventor
Vjecoslav BELOSEVIC
Otto Blessing
Lars Rudolph
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.)
Kleemann GmbH
Original Assignee
Kleemann GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kleemann GmbH filed Critical Kleemann GmbH
Publication of EP3799967A1 publication Critical patent/EP3799967A1/fr
Application granted granted Critical
Publication of EP3799967B1 publication Critical patent/EP3799967B1/fr
Publication of EP3799967C0 publication Critical patent/EP3799967C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14—Details or accessories
    • B07B13/16—Feed or discharge arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/005—Transportable screening plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens

Definitions

  • the invention relates to a rock processing plant.
  • rock processing plants can be designed, for example, as mobile screening plants.
  • These screening systems can be independent systems or they can be assigned directly to a rock crushing system (for example jaw crushers, rotary impact crushers, etc.).
  • Such a rock processing plant is out EP 3 482 836 A1 known.
  • Such rock processing plants have a machine frame which carries a screen unit, the screen unit having at least two screen decks which are offset from one another in the vertical direction, in particular in the direction of gravity of the rock processing plant.
  • Material fractions can be separated with the screen decks. Accordingly, a material fraction is discharged on the screen deck whose grain size is such that it does not fall through the screen deck.
  • the material fraction with a smaller grain size passes through the screen deck and falls onto another screen deck below or, for example, onto a transport device.
  • the screen decks each have a discharge area. In this discharge area, the material fraction that is guided on the screen deck can be discharged from the working area of the screen unit.
  • the transfer belt then transfers the screened material to a return belt.
  • This return belt directs the screened material back to a crushing unit.
  • the transfer belt can be adjusted in the height direction and transversely to its longitudinal extent to assign it to either the upper screen deck or both screen decks. If it is assigned to the upper screen deck, it transports the rock material fed in from this screen deck out of the discharge area of this screen deck. If it is assigned to the lower screen deck, it transports the rock material fed in from both screen decks out of both discharge areas.
  • a side discharge belt can be installed on the machine frame, which then discharges the rock material from the lower screen deck.
  • the embodiment variant described uses an adjusting device with which the entire screen unit with the two screen decks can be adjusted between two adjustment positions in the vertical direction. Accordingly, the two screen decks are offset together in the vertical direction. This also results in high mechanical complexity.
  • the feed unit upstream of the screen unit also has to be modified so that the rock material can be properly fed to the screen unit.
  • GB 2 30 923 A discloses a screening plant with a screening device.
  • the screening device has two screen decks which are arranged one above the other.
  • the screen decks convey process material via their discharge areas onto a transport device.
  • the transport direction conveys the process material out of the working area of the screening device.
  • the transport device can be adjusted between two working positions. In the first working position the transport device picks up the process material from both screen decks, in the second working position only the process material from one screen deck.
  • an adjusting device which has a hydraulic cylinder which is supported on the one hand on the machine frame and on the other hand on the transport device. Furthermore, an articulated arm is provided. The articulated arm is coupled in an articulated manner to the loading end of the transport device on the one hand and to the machine frame on the other hand. Finally, a sliding bearing is provided, which acts when the transport device is adjusted between the adjustment positions.
  • the object of the invention is to provide a rock processing plant of the type mentioned at the outset, which can be converted with little effort in such a way that one or more rock fractions can be removed from the discharge area of the screening unit either separately or together.
  • This object is achieved in that the loading area of the transport device can be adjusted between the two adjustment positions in the height direction and in the transport direction of the transport device by means of the mechanical adjusting device.
  • the transfer belt which is required in the prior art, can be dispensed with.
  • the rock material from the discharge area(s) of the screening unit can be placed directly on the transport device and taken out of the working area of the rock processing plant.
  • the rock material removed via the transport device can then be piled up on a heap next to the machine, in particular directly in the discharge area of the transport device.
  • the mechanical actuating device can be formed, for example, by a hydraulic cylinder or a motor-driven actuating unit, or can have such a structural unit.
  • a pivoting mechanism is effective between the machine frame and the transport device, by means of which the adjustment of the feed area is guided between the two setting positions. With the pivoting mechanism, the transport device can be moved in a controlled manner between the two adjustment positions, the kinetic energy required for the adjustment being made available at the same time with the mechanical adjustment device.
  • the swivel mechanism has a holder and a rocker, that the holder and the rocker are each coupled directly or indirectly to the machine frame by means of a joint and directly or indirectly to the transport device by means of a further joint to form a four-bar system.
  • the holder and the rocker thus form the links of the four-bar system. Stable and reliable guidance of the transport device is possible via the four-bar linkage system.
  • the desired height adjustment and the adjustment in the transport direction of the transport device can be easily accomplished at the same time.
  • the four-bar system is designed as a parallelogram four-bar system.
  • this is not absolutely necessary.
  • the transport device is attached to the machine frame by means of a pivot bearing in the first and/or second setting position so that it can be adjusted about a pivot axis in such a way that the inclination of the transport device can be changed in the first and/or the second setting position.
  • the swivel bearing it is possible to adjust the inclination of the transport device and thus the height of the discharge area.
  • Such an inclination adjustment is preferably possible in both setting positions. This can make this possible be that with an offset between the two adjustment positions, the pivot bearing itself is adjusted, so that the pivot axis of this pivot bearing occupies different spatial positions in the different adjustment positions. Preferably, however, it can also be provided that different pivot bearings are realized at different storage locations in the two adjustment positions.
  • the inclination of the transport device relative to the horizontal can be adjusted steplessly or in a grid dimension in the angle range between 0° and 35°. This angular range is particularly preferably maintained in both setting positions of the transport device.
  • a particularly preferred variant of the invention is such that the inclination of the transport device relative to the horizontal on the one hand and the adjustment of the feed area of the transport device between the two adjustment positions in the height direction and in the transport direction of the transport device on the other hand are effected with the mechanical adjusting device.
  • the mechanical adjusting device has a dual function, which leads to a further reduction in the outlay on parts and assembly.
  • a support with a locking device acts between the transport device and the machine frame, one support part of which is coupled to the machine frame and the other support part to the transport device, and that the two mutually adjustable support parts can be positively locked in different positions, which are assigned to different inclinations of the transport device relative to the horizontal, with a form-fitting element.
  • the alignment of the transport device can be reliably fixed with the positive connection. This can be advantageous in particular when a hydraulic cylinder, for example, is used as the mechanical actuating device. This can then be relieved by the positive connection in the assigned setting position. With the support you can Transport device to be supported relative to the machine frame or hung on this.
  • the mechanical adjusting device is coupled to the two support parts in such a way that when the adjusting device is adjusted, the two supporting parts are adjusted in relation to one another when a force is applied.
  • the mechanical adjusting device With the mechanical adjusting device, the two support parts can initially be adjusted in relation to one another. Then the position reached can be fixed by means of the positive connection.
  • a compact rock processing plant can be designed if it is provided that the mechanical adjusting device or the support can be supported on a supporting part of the machine frame or the transport device in a form-fitting manner in at least two fixing positions by means of a fixing element, with the fixing positions being spaced apart from one another in the height direction.
  • the fixing positions are then preferably assigned to the different positioning positions of the transport device. If the transport device is adjusted downwards in the height direction, then the lower fixing position for the mechanical adjusting device or the support can also be selected, for example.
  • the direction of action of the mechanical adjusting device or the support can be arranged at a sufficiently steep angle of attack to the transport device, so that the adjusting force provided by the mechanical adjusting device is sufficient to effect the adjustment of the transport device or a sufficient supporting force is provided by the support.
  • the adjustment movement of the mechanical adjusting device or the support between the two fixing positions is guided at least in regions by means of a guide piece that can be adjusted in a guide of the support part, then the conversion between the two fixing positions can be easily accomplished.
  • the pivoting mechanism has the holder, that a holding element is arranged on the transport device or the machine frame, that the holder has a catching element, which in a first position of the transport device disengages the catching element and in a second position the catching element is in engagement with the holding element.
  • a holding element is arranged on the transport device or the machine frame, that the holder of the pivoting mechanism has a catching element, and that in a first position of the transport device the catching element is disengaged from the holding element and in a second position the catching element is in engagement with the holding element.
  • the holder of the pivoting mechanism can be disengaged from the holding element when the transport device is in a setting position. Accordingly, the inclination of the transport device can then be adjusted as desired by the user without being influenced by the holding element. If the holding element is caught by the holder, then the pivoting mechanism is coupled to the transport device and the transport device can then be moved into the second setting position.
  • a conceivable alternative according to the invention can be such that the transport device is held in the first setting position on a first pivot bearing so that it can pivot about a first pivot axis, and in a second setting position of the transport device the stationary pivot bearing for the transport device is formed by the holding element and the holder.
  • the articulated piece with which the transport device can be pivoted relative to the rocker can be adjusted in a setting guide transversely to the joint axis, then the inclination of the transport device can also be easily adjusted in the second setting position. With such an inclination adjustment, the joint piece is offset in the adjustment guide.
  • FIG 1 shows a rock processing plant 10, which is to be used to explain the invention by way of example.
  • This rock processing plant 10 is a screening machine.
  • the invention is not limited to use in a screening machine. Rather, the invention can also be used in another rock processing plant, for example in a rock crusher, in particular a jaw crusher, a cone crusher or a rotary impact crusher with an associated screen unit.
  • the invention can also be used in combined rock crushing plants with screening plants.
  • the following explanations are therefore only given as an example using a screening plant.
  • the following statements also apply in particular to the aforementioned rock processing plant.
  • the rock processing plant 10 has a machine frame 13, which is carried by chassis 14, which are designed, for example, as chain drives. Furthermore, the rock processing plant 10 has a feed hopper 11 . About this it can be charged with rock material to be processed.
  • a conveyor device is provided in the area of the feed hopper 11 , which is formed, for example, by a hopper discharge belt 12 . Furthermore, instead of a funnel discharge belt 12, the use of a conveying chute with a conveying device which is designed as a vibrating conveyor is also conceivable.
  • the rock processing plant 10 has a screening unit 20.
  • the screen unit 20 has an upper screen deck 21 following the funnel discharge belt 12 .
  • the rock material is conveyed onto this screen deck 21 by means of the hopper discharge belt 12 .
  • the screen deck 21 has a screen which has a predetermined mesh size.
  • Rock material, which cannot fall through the screen deck 21 due to the grain size is placed on a transport device 15, which is designed here as an endlessly circulating conveyor belt, and is conveyed by this to a heap.
  • the rock material that falls through the screen deck 21 reaches the underlying screen deck 22.
  • the screen deck 22 again has a predetermined mesh size.
  • Rock material which does not fall through the screen deck 22 is fed to a side discharge belt 17 .
  • This side discharge belt 17 leads laterally out of the working area of the screen unit 20 .
  • the sifted out material is piled up like this figure 1 reveals.
  • the screening material which falls through the screen deck 22, reaches a conveyor device 23, for example an endlessly circulating conveyor belt.
  • This screened out fine material is guided to a fine grain discharge belt 16 and discharged from the working area of the machine by this.
  • the screened fine material is piled up again at the side of the machine.
  • the two screen decks 21 and 22 are driven by vibratory drives, in particular eccentric drives.
  • the transport device 15 can be moved to a lower position so that the overflow upper deck material of the screen deck 21 and the overflow lower deck material of the screen deck 22 is discharged via the conveyor belt 15 and thus only two screen fractions are screened out. Accordingly, only a lateral fine-grain conveyor belt 16 is installed. Accordingly, the side discharge belt 17 can be dispensed with, or it was either dismantled or placed in a position/arrangement on the system in which this side discharge belt is correspondingly disabled.
  • the fine-grain discharge belt 16 and the side discharge belt 17 can be optionally attached to one of the two sides of the machine on the machine frame 13 . Furthermore, it is conceivable that the fine grain discharge belt 16 and also the side discharge belt 17 are arranged on the same side of the plant.
  • the transport device 15 has a frame which carries the endlessly circulating transport belt 15.3.
  • the transport device 15 forms a feed area 15.1 and a discharge area 15.2.
  • the transport device 15 is attached to the machine frame 13 .
  • the machine frame 13 has a carrier 50 for this purpose.
  • a first pivot bearing 15.4 is arranged on the carrier 50, on which the transport device 15 is pivotably mounted.
  • the transport device 15 is supported by a support 30 relative to the machine frame 13, for example on an arm 51 of the carrier 50, such as figure 2 shows.
  • the support 30 has two support parts 36 and 38, which can be adjusted linearly relative to one another, for example, can be telescoped relative to one another.
  • the support part 36 is equipped with form-fitting elements 39 . As the drawing shows by way of example, these can be in the form of bores.
  • Form-fit counter-elements 39.1 are present on the support part 36, which can also be designed as bores. in the in figure 2
  • a bolt can be inserted through the aligned bores (interlocking element 39 and interlocking counter-element 39.1). In this way, a locking device 35 is formed.
  • the support 30 is pivotally coupled to the transport device 15 via a pivot bearing 37 .
  • On the opposite side is the support 30 by means a fixing element 43 on a support part 40 of the machine frame 13 is supported.
  • the support member 40 can, like this figure 2 as an example, be attached to an arm 51 of the carrier 50 .
  • the attachment to the support part 40 is designed in such a way that there is a detachable connection here. This can be accomplished, for example, by a bolt that is placed through aligned bores in the support part 40 and the support part 38 . Since the two support parts 36 and 38 are positively locked against one another with the locking device 35, they cannot be adjusted against one another. This results in a fixed support length.
  • the transport device 15 can therefore be supported relative to the machine frame 13 via the support 30 .
  • the support 30 can be assigned a mechanical adjusting device 31 .
  • the mechanical adjusting device 31 is designed as a hydraulic cylinder in the present exemplary embodiment. It is also conceivable to use other mechanical adjustment devices 31, for example a gear arrangement, a servomotor or the like.
  • the hydraulic cylinder has a piston rod which forms an actuator 32 .
  • the actuator 32 is connected to the support member 38 via a connector 33 .
  • the hydraulic cylinder is firmly coupled to the second support part 36 via a connector 34 .
  • FIG. 1 clearly shows that the screen unit 20 has the screen decks 21 and 22 described above.
  • the two screen decks 21, 22 are offset from one another in the height direction H, ie in the direction of gravity.
  • Each of the screen decks 21, 22 has a drainage area A1 or A2.
  • A1 forms the discharge area of the first screen deck 21 and A2 the discharge area of the second screen deck 22.
  • FIG 2 clearly shows that the diversion area A1 of the first screen deck 21 is assigned to the feed area 15.1 of the transport device 15.
  • the discharge area A2 of the second screen deck 22 leads to the feed area of the side discharge belt 17.
  • the conveyor belt 15 has a funnel 18 . This prevents rock material from falling laterally out of the feed area 15.1.
  • the side discharge belt 17 can also be equipped with such a funnel.
  • the rock material is fed from the screen deck 21 in the discharge area A1 to the feed area 15.1 of the transport device 15.
  • the rock material is then moved in the transport direction D along the transport device 15 and to the heap (see figure 1 ) guided.
  • the rock material of the underlying screen deck 22 is given up on the side discharge belt 17. It is guided along a conveying direction via the side discharge belt 17 to a bulk heap.
  • the rock processing plant 10 can now be converted in such a way that both rock fractions of the screen decks 21 and 22 are fed onto the transport device 15 .
  • the side discharge belt 17 is dismantled or moved so that it is moved out of the discharge area A2.
  • a holder 61 is pivotably attached to the machine frame 13 via a joint 62 .
  • the holder 61 can be pivotally attached to a lug 52 of the carrier 50 .
  • the holder 61 has a lever at the end of which a catch element 63 is arranged.
  • the catch element 63 is designed in the form of an undercut receptacle.
  • the holder 61 is particularly preferably designed with its catch element 63 in the form of a pivotable hook.
  • the initial position shown is a ramp 63.1 of the catch element 63 applied to a holding element 54.
  • the holding element 54 can be designed as a bolt, for example.
  • the holding element 54 is attached to the transport device 15 .
  • figure 2 shows that in the basic position the holder 61 is supported on the extension 52 by means of a securing element 53 .
  • the securing element 53 prevents the holder 61 from rotating downwards.
  • the securing element 53 is first removed.
  • the locking device 35 is then released and the positive connection formed here is cancelled.
  • the mechanical adjusting device 31 can now be activated, with the distance between the two connectors 33, 34 being reduced. This can be done by retracting the actuator 32 (piston rod) into the hydraulic cylinder. During this movement, the inclination of the transport device 15 is adjusted. In figure 3 this inclination adjustment is symbolized by the arrow S, which shows the pivoting movement.
  • the transport device 15 can no longer be adjusted in the direction of the pivoting movement S.
  • the transport device 15 is now held on the one hand on the first pivot bearing 15.4 and on the other hand on the holder 61.
  • FIG 3 shows that the support 30 has a guide piece 41 which is arranged in the area of the support part 40 .
  • This guide piece 41 is guided in a guide 41.1 of the support part 40 in a linearly adjustable manner.
  • the hydraulic cylinder can now be activated.
  • the actuator 32 is extended.
  • the guide piece 41 is adjusted in the guide 41.1 to the position shown in figure 4 is shown.
  • the support 30 can again be positively connected to the carrier 50 with a fixing element 42 . This can be done again with a bolt, for example.
  • the transport device 15 is now supported in a statically overdetermined manner on the holder 61, the support 30 and the first pivot bearing 15.4.
  • the first pivot bearing 15.4 can be formed, for example, in such a way that the carrier 50 and the transport device 15 have bores which are aligned with one another and through which a bolt can be inserted is. This bolt can now be pulled to release the first pivot bearing 15.4.
  • the transport device 15 is then held on the machine frame 13 in a statically determined manner with the holder 61 and the support 30 .
  • the figures 4 and 5 show the transition of the transport device 15, wherein the task area 15.1 of the transport device 15 from the first setting position according to figure 4 to the second setting position according to figure 5 is adjusted. During this adjusting movement, the task area 15.1 is adjusted both in the vertical direction H and in the transport direction D of the transport device 15.
  • the adjusting movement is guided with a pivoting mechanism 60 .
  • the pivoting mechanism 60 includes the holder 61 described above and the FIG figure 5 clearly recognizable rocker 64.
  • the holder 61 and the rocker 64 are each pivotally connected via a joint 62, 64.1 to the machine frame 13, preferably the carrier 50.
  • the pivot axis is perpendicular to the plane of the image figure 5 .
  • the holder 61 and the rocker 64 are each connected to the transport device 15 via a further joint 54.1 and 19.1. With the joints 62, 64.1, the other joints 54.1 and 19.1 and the holder 61 and the rocker 64, a four-bar system is formed, in the present embodiment a parallelogram four-bar system.
  • the four-bar system does not necessarily have to be designed as a parallelogram. If it is a parallelogram four-bar system, the angle of attack of the haul-off belt remains the same before and after the belt is displaced. If the four-bar linkage system deviates from the parallelogram shape, the angle of attack of the belt will also change with the shifting of the belt.
  • the feed area 15.1 of the transport device 15 is arranged in such a way that it is assigned both to the discharge area A1 of the first screen deck 21 and to the discharge area A2 of the second screen deck 22. Both screen decks 21 and 22 can therefore give up the rock material guided on them onto the transport device 15 .
  • the hopper 18 is designed to prevent rock material from falling off both the screen decks 21 and 22 .
  • the holder 61 is adjusted so that the holding element 54 of the other joint 54.1 is in alignment with a bearing mount 15.7.
  • a second pivot bearing 15.6 can then be formed. This is possible, for example, in such a way that the holding element 54 has a bearing bore which is aligned with the bearing mount 15.7.
  • a bolt, which forms the bearing axis, can then be passed through the aligned bores.
  • the second pivot bearing 15.6 now forms the axis about which the transport device 15 can be pivoted in order to adjust its angle of inclination.
  • This inclination adjustment takes place again with the aid of the adjusting device 31. If the distance between the connectors 33, 34 is increased by means of the adjusting device 31, the angle of inclination of the transport device 15 relative to the horizontal also increases.
  • the pivoting movement S is possible in particular because a joint piece 19 of the further joint 19.1 of the rocker 64 can be displaced in an adjusting guide 64.3, for example a slot.
  • the minimum and the maximum setting angle of the transport device 15 is limited by the ends 64.2 of the elongated hole, against which the joint piece 19 strikes in the two extreme positions.
  • the adjustment position is again fixed via the locking device 35, as described above.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Specific Conveyance Elements (AREA)
  • Processing Of Meat And Fish (AREA)
  • Framework For Endless Conveyors (AREA)

Claims (11)

  1. Installation de traitement de roches (10) comprenant un bâti de machine (13) qui porte une unité de criblage (20), l'unité de criblage (20) présentant au moins deux étages de criblage (21, 22) qui sont décalés l'un par rapport à l'autre dans le sens de la hauteur (H) de l'installation de traitement de roches (10), les étages de criblage (21, 22) présentant chacun une zone de déviation (A1, A2), un dispositif de chargement (15) se raccordant à l'unité de criblage (22) dans le sens du transport, le dispositif de transport (15) présentant une zone d'alimentation (15. 1) et une zone de déchargement (15. 2), un moyen de transport, en particulier une bande transporteuse (15.3) circulant sans fin, s'étendant au moins par zones dans une direction de transport (D) entre la zone de chargement (15.1) et la zone de déchargement (15.2), le dispositif de transport (15) étant fixé au bâti de machine (13) au moyen d'un dispositif de réglage mécanique (31), la zone de chargement (15.1) du dispositif de transport (15) étant déplacée au moyen du dispositif de réglage mécanique (31) entre deux positions de réglage, dans lesquelles la zone de chargement (15. 1) étant associée au choix à l'une des zones de déviation (A1, A2) des deux étages de criblage (21, 22) ou aux deux zones de déchargement (A1, A2), et la zone de chargement (15.1) du dispositif de transport (15) pouvant être déplacée au moyen du dispositif de réglage mécanique (31) entre les deux positions de réglage dans le sens de la déviation et dans le sens de transport (D) du dispositif de transport (15), un mécanisme de pivotement (60) étant actif entre le bâti de machine (13) et le dispositif de transport (15), mécanisme au moyen duquel le déplacement de la zone de chargement (15. 1) entre les deux positions de réglage, le mécanisme de pivotement (60) présentant un support (61) et un bras oscillant (64), et le support (61) et le bras oscillant (64) étant couplés respectivement au moyen d'une articulation (62, 64.1) directement ou indirectement au bâti de machine (13) et respectivement au moyen d'une autre articulation (54.1, 19.1) directement ou indirectement au dispositif de transport (15),
    caractérisé
    en ce que le support, le bras oscillant, le bâti de machine et le dispositif de transport forment un système à quatre articulations.
  2. Installation de traitement de roches (10) selon la revendication 1, caractérisée en ce que le dispositif de transport (15) est fixé au bâti de machine (13) au moyen d'un palier de pivotement (premier palier de pivotement (15.4) ou deuxième palier de pivotement (15.6)) dans la première et/ou la deuxième position de réglage de manière à pouvoir être réglé autour d'un axe de pivotement de telle sorte que l'inclinaison du dispositif de transport (15) puisse être modifiée dans la première et/ou la deuxième position de réglage.
  3. Installation de traitement de roches (10) selon la revendication 1 ou 2, caractérisé en ce que l'inclinaison du dispositif de transport (15) par rapport à l'horizontale est réglable en continu ou par pas dans la plage angulaire comprise entre 0° et 35°.
  4. Installation de traitement de roches (10) selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de réglage mécanique (31) permet de réaliser l'inclinaison du dispositif de transport (15) par rapport à l'horizontale d'une part et le réglage de la zone de chargement (15.1) du dispositif de transport (15) entre les deux positions de réglage dans le sens de la hauteur et dans le sens de transport (D) du dispositif de transport (15) d'autre part.
  5. Installation de traitement de roches (10) selon l'une des revendications 1 à 4, caractérisé en ce qu'entre le dispositif de transport (15) et le bâti de machine (13) agit un support (30) avec un dispositif d'arrêt (35), qui est couplé par une pièce d'appui (38) au bâti de machine (13) et par l'autre pièce d'appui (36) au dispositif de transport (15), et en ce que les deux pièces d'appui (36, 38) réglables l'une par rapport à l'autre peuvent être bloquées l'une contre l'autre par complémentarité de forme avec un élément de complémentarité de forme (39) dans différentes positions de réglage qui sont associées à différentes inclinaisons du dispositif de transport (15) par rapport à l'horizontale.
  6. Installation de traitement de roches (10) selon la revendication 5, caractérisé en ce que le dispositif de réglage mécanique (31) est couplé aux deux pièces d'appui (36, 38) de telle sorte que, lors d'un déplacement du dispositif de réglage (31), les deux pièces d'appui (36, 38) sont déplacées l'une par rapport à l'autre en étant soumises à une force.
  7. Installation de traitement de roches (10) selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif de réglage mécanique (31) ou le support (30) peut s'appuyer par complémentarité de forme sur une pièce de support (40) du bâti de machine (13) ou du dispositif de transport (15), au choix dans au moins deux positions de fixation, au moyen d'un élément de fixation (42, 43), les positions de fixation étant disposées à distance les unes des autres dans le sens de la hauteur.
  8. Installation de traitement de roches (10) selon la revendication 7, caractérisée en ce que le mouvement de réglage du dispositif de réglage mécanique (31) ou de l'appui (30) entre les deux positions de fixation est guidé au moins par zones au moyen d'une pièce de guidage (41) qui peut être réglée dans un guide (41.1) de la pièce d'appui (40).
  9. Installation de traitement de roches (10) selon l'une des revendications 1 à 8, caractérisée en ce qu'un élément de maintien (54) est disposé sur le dispositif de transport (15) ou le bâti de machine (13), en ce que le support (61) du mécanisme de pivotement (60) présente un élément de capture (63), et en ce que dans une première position du dispositif de transport (15), l'élément de capture est hors de prise et dans une deuxième position, l'élément de capture est en prise avec l'élément de maintien (54).
  10. Installation de traitement de roches (10) selon la revendication 9, caractérisée en ce que, dans la première position de réglage, le dispositif de transport (15) est maintenu sur un premier palier de pivotement (15.4) de manière à pouvoir pivoter autour d'un premier axe de pivotement et, dans une deuxième position de réglage du dispositif de transport (15), le palier de pivotement fixe pour le dispositif de transport est formé par l'élément de maintien (54) et le support (61).
  11. Installation de traitement de roches (10) selon la revendication 10, caractérisée en ce que dans la deuxième position de réglage, dans laquelle le palier de pivotement fixe pour le dispositif de transport (15) est formé par l'élément de maintien (54) et le support (61), la pièce d'articulation (19), avec laquelle le dispositif de transport (15) peut pivoter par rapport au bras oscillant (64), est réglable dans un guide de réglage (64.3) transversalement à l'axe d'articulation.
EP20194273.7A 2019-10-04 2020-09-03 Installation de traitement de la roche Active EP3799967B1 (fr)

Applications Claiming Priority (1)

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DE102019126778.1A DE102019126778A1 (de) 2019-10-04 2019-10-04 Gesteinsverarbeitungsanlage

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EP3799967A1 EP3799967A1 (fr) 2021-04-07
EP3799967B1 true EP3799967B1 (fr) 2023-07-26
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US (1) US11305317B2 (fr)
EP (1) EP3799967B1 (fr)
CN (1) CN112604939A (fr)
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Publication number Publication date
US11305317B2 (en) 2022-04-19
US20210101181A1 (en) 2021-04-08
EP3799967A1 (fr) 2021-04-07
CN112604939A (zh) 2021-04-06
EP3799967C0 (fr) 2023-07-26
DE102019126778A1 (de) 2021-04-08

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