Abstract: The disclosure relates to a concave (20) of a cone crusher and/or gyratory crusher for installation inside a crusher head (30), wherein the concave (20) has a central longitudinal axis (M) extending in the longitudinal direction of the concave, wherein the concave (20) has a feed (24.1) for material to be crushed on its top (O) and a crushed material discharge area (24.2) on its opposite bottom (U), and wherein the concave (20) has a base part (21) having an outer clamping surface (28).

Abstract: A mobile stockpile conveyor includes a drive unit and a conveyor unit adjustably connected together. The conveyor unit has a base unit having two support struts disposed spaced apart, wherein a receiving area is formed between the support struts, in which receiving area an endless circulating conveyor belt is guided at least sectionally, wherein the conveyor unit forms a discharge end and, in the area of the base unit, a feed end for receiving bulk material, and wherein a counterweight is disposed in the area of the feed end. The counterweight is movable by means of an adjusting device in an adjusting motion between a first adjusting position facing the discharge end and a second adjusting position facing away from the discharge end. The adjusting device may be used to attach the counterweight to one of the support struts on the outside, facing away from the receiving area.

Abstract: The disclosure relates to a concave (20) of a cone crusher and/or gyratory crusher for installation inside a crusher head (30), wherein the concave (20) has a central longitudinal axis (M) extending in the longitudinal direction of the concave, wherein the concave (20) has a feed (24.1) for material to be crushed on its top (O) and a crushed material discharge area (24.2) on its opposite bottom (U), and wherein the concave (20) has a base part (21) having an outer clamping surface (28).

Abstract: A crusher assembly for a jaw crusher having a swing jaw and a crusher jaw having teeth formed on the breaking sides thereof, the crusher jaw comprising end faces at the opposite ends thereof, wherein a clamping piece having a clamping surface acts on the one end face (35) and the other end face (35) is supported on a clamping piece, wherein the clamping piece and the clamping element are interchangeably connected to the swing jaw, wherein the swing jaw comprises a head part having a pivot bearing on the end region thereof facing away from the clamping piece, and wherein the crusher jaw at least partially covers the region of the swing jaw in front of the pivot bearing.

Abstract: A drive system for driving a crusher of a material crusher plant having a main drive and a power transfer unit driven by the main drive, wherein the power transfer unit drives at least one generator and a first hydraulic pump which is connected to the power transfer unit in a shiftable manner. It is provided that a shiftable fluid coupling is installed in the transmission path from the power transfer unit to the crusher, that the shiftable fluid coupling and a pump are interconnected in a fluid conveying manner in a pump circuit and that a fluid can be supplied to the shiftable fluid coupling by means of the pump. A method of operating such a crusher is also provided.

Abstract: The invention relates to a processing system, more particularly a stone crusher, with a filling unit (20), which can be filled with material to be crushed, wherein behind the filling unit (20) in the conveying direction or in the filling unit (20), a screening unit (30) is arranged, wherein the screening unit (30) can be vibrated by means of a vibration generator (38), wherein above the screening unit (30) a part of the supplied material is fed to a connected process unit, more particularly a crushing unit (40), and another part is separated out in the screening unit (30), and wherein the separated-out part of the material is fed by means of an adjustable flap of a conveying unit (70) in a bypass position optionally bypassing the connected process unit, more particularly the crushing unit (40), to a conveying device, more particularly a crusher discharge conveyor (60), or in a conveying position is conveyed out of the machine working area by means of a conveying device (50).

Abstract: The invention relates to a processing plant, in particular a rock crusher (10), having a filler unit (20,), which can be filled with a material to be crushed, wherein a screening unit (30) is arranged downstream of the filler unit (20) in the conveying direction or in the filler unit (20), which screening unit can be oscillated by means of a vibration exciter (38), wherein the screening unit (30) is used to feed a first part of the supplied material to a process unit, in particular a crusher unit (40) and another part of the supplied material is screened-out in the screening unit (30), wherein a flap (72) of a conveyor unit (70) adjustable about a swivel axis (74.

Abstract: The invention relates to a rock processing plant (10) having a machine frame (13), which supports a screening unit (20), wherein the screening unit (20) has at least two screen decks (21, 22), which are arranged offset from each other in the vertical direction (H) of the rock processing plant (10), wherein the screen decks (21, 22) each have a discharge area (A1, A2), wherein a transport device (15) is connected to the screening unit (22) in the conveying direction, wherein the transport device (15) has a feed area (15.1) and a discharge area (15.2), wherein a transport means, in particular an endless circulating conveyor belt (15.3), extends in a transport direction (D) at least partially between the feed area (15.1) and the discharge area (15.2), wherein the transport device (15) is attached to the machine frame (13) by means of a mechanical actuator (31), wherein the mechanical actuator (31) can be used to move the feed area (15.

Abstract: The invention relates to a drive system for driving a crusher of a material crusher plant having a main drive and a power transfer unit driven by the main drive, wherein the power transfer unit drives at least one generator and a first hydraulic pump which is connected to the power transfer unit in a shiftable manner. It is provided that a shiftable fluid coupling is installed in the transmission path from the power transfer unit to the crusher, that the shiftable fluid coupling and a pump are interconnected in a fluid conveying manner in a pump circuit and that a fluid can be supplied to the shiftable fluid coupling by means of the pump. The invention further relates to a method for operating such a crusher. The drive system permits a gentle operation of the crusher at a small number of required components.

Abstract: A belt tensioning device for a crusher or a screening machine for tensioning at least one circulating drive belt which is deflected about a belt pulley of a drive and has a load strand and an empty strand. The drive can be driven with a crushing assembly, a screening unit, a generator, or the like of the crusher by the drive belt. The vibrational stress acting on the machine chassis can be significantly reduced in that the belt tensioning device has two tensioning rollers each of which is rotatably mounted on a holder of a tensioning part. One tensioning roller is paired with the empty strand and the other is paired with the load strand. Additionally, the two tensioning parts can be adjusted relative to each other between an open position and a tensioning position, in which the tensioning parts are held against each other at least opposite the tensioning direction.

Abstract: The invention relates to a crusher assembly for a jaw crusher having a swing jaw (10) and a crusher jaw (30) having teeth (33) formed on the breaking sides thereof, the crusher jaw (30) comprising end faces (35) at the opposite ends thereof, wherein a clamping piece (50) having a clamping surface (52) acts on the one end face (35) and the other end face (35) is supported on a clamping piece (20), wherein the clamping piece (50) and the clamping element (20) are interchangeably connected to the swing jaw (10), wherein the swing jaw (10) comprises a head part (11) having a pivot bearing (12) on the end region thereof facing away from the clamping piece (50), and wherein the crusher jaw (30) at least partially covers the region of the swing jaw (10) in front of the pivot bearing (12). A wear-optimized design in support of long service life is made possible by means of such a crusher assembly and the crusher jaw (30) can always be easily replaced.

Abstract: The invention relates to a rock processing plant (10) having a machine frame (13), which supports a screening unit (20), wherein the screening unit (20) has at least two screen decks (21, 22), which are arranged offset from each other in the vertical direction (H) of the rock processing plant (10), wherein the screen decks (21, 22) each have a discharge area (A1, A2), wherein a transport device (15) is connected to the screening unit (22) in the conveying direction, wherein the transport device (15) has a feed area (15.1) and a discharge area (15.2), wherein a transport means, in particular an endless circulating conveyor belt (15.3), extends in a transport direction (D) at least partially between the feed area (15.1) and the discharge area (15.2), wherein the transport device (15) is attached to the machine frame (13) by means of a mechanical actuator (31), wherein the mechanical actuator (31) can be used to move the feed area (15.

Abstract: The invention relates to a processing plant, in particular a rock crusher (10), having a filler unit (20,), which can be filled with a material to be crushed, wherein a screening unit (30) is arranged downstream of the filler unit (20) in the conveying direction or in the filler unit (20), which screening unit can be oscillated by means of a vibration exciter (38), wherein the screening unit (30) is used to feed a first part of the supplied material to a process unit, in particular a crusher unit (40) and another part of the supplied material is screened-out in the screening unit (30), wherein a flap (72) of a conveyor unit (70) adjustable about a swivel axis (74.

Abstract: The invention relates to a processing system, more particularly a stone crusher, with a filling unit (20), which can be filled with material to be crushed, wherein behind the filling unit (20) in the conveying direction or in the filling unit (20), a screening unit (30) is arranged, wherein the screening unit (30) can be vibrated by means of a vibration generator (38), wherein above the screening unit (30) a part of the supplied material is fed to a connected process unit, more particularly a crushing unit (40), and another part is separated out in the screening unit (30), and wherein the separated-out part of the material is fed by means of an adjustable flap of a conveying unit (70) in a bypass position optionally bypassing the connected process unit, more particularly the crushing unit (40), to a conveying device, more particularly a crusher discharge conveyor (60), or in a conveying position is conveyed out of the machine working area by means of a conveying device (50).

Abstract: The invention relates to a belt tensioning device for a crusher or a screening machine for tensioning at least one circulating drive belt (20) which is deflected about a belt pulley (12) of a drive (10) and has a load strand (21) and an empty strand (22). The drive (10) can be driven with a crushing assembly, a screening unit, a generator, or the like of the crusher by means of the drive belt (20). The vibrational stress acting on the machine chassis can be significantly reduced in that the belt tensioning device has two tensioning rollers (47), each of which is rotatably mounted on a holder (41, 51) of a tensioning part (40, 50). One tensioning roller (47) is paired with the empty strand (22) and the other is paired with the load strand (21).