Abstract: Embodiments disclosed herein include a portable radial stacker for stockpiling bulk material. The stacker may include a linear conveyor having a rear portion including a hopper, and a front portion, the conveyor being designed to carry bulk material along an elevating path from a low position adjacent the rear portion to a higher position adjacent the front portion. The hopper may be pivotally mounted to the conveyor at a pivot point, with at least one hopper arm extending between the hopper and the conveyor rearward of the pivot point. The at least one hopper arm may include at least one hopper hydraulic cylinder to extend and retract the effective length of the hopper arm to raise and lower a rear end of the hopper to modify a degree of elevation of the hopper.

Abstract: A system for eliminating the need to reposition a tracked/wheeled radial stacker during stacking operations is provided, the stacker having a linear conveyor having front and rear portions, the front and rear portions being displaceable between raised and lowered positions, a bogie having a pair of continuous tracks that are selectively elevated off the ground, a pair of wheels mounted to the bogie that are displaced upwardly and downwardly, the wheels defining axes that may be shifted to position the wheels in either a substantially radial or substantially longitudinal direction, and a hydraulic cylinder system mounted to the wheels for displacing the wheels upwardly to lower the tracks to the ground or downwardly to elevate the tracks off the ground.

Abstract: A mobile radial stacker for stockpiling bulk material is provided that includes a stacker frame, a linear conveyor mounted to the frame, the conveyor having a rear portion and a front portion and being designed to carry bulk material from a lower position adjacent the rear portion to a raised position adjacent the front portion, and a pair of wheels mounted to the frame to facilitate movement of the stacker around a work site or to another work site. Also provided is a pivot pad/king pin apparatus mounted to the stacker including an integral king pin and pivot pad that may be displaced from a first position with the king pin facing downward for engagement with a tractor fifth wheel to a second position with the pivot pad facing downward for placement on the ground for radial conveying operations. Another way to describe the depicted embodiments is a pivot pad/king pin apparatus that may be used with a radial stacker. The apparatus may include a body with a king pin and pivot pad integrally mounted into it.

Abstract: Embodiments provide a method for removably mounting at least one wiper ring to the underside of a cone head of a cone crusher. The method includes the following steps in the order recited: inducing a temperature difference between the cone head and the at least one wiper ring; mounting the at least one wiper ring to an underside of the cone head while maintaining the temperature difference; and holding the at least one wiper ring against the underside of the cone head while the temperature difference dissipates. The temperature difference may be induced by either cooling the at least one wiper ring or by heating the cone head, or both.

Abstract: Embodiments disclosed herein include a portable radial stacker for stockpiling bulk material. The stacker may include a linear conveyor having a rear portion including a hopper, and a front portion, the conveyor being designed to carry bulk material along an elevating path from a low position adjacent the rear portion to a higher position adjacent the front portion. The hopper may be pivotally mounted to the conveyor at a pivot point, with at least one hopper arm extending between the hopper and the conveyor rearward of the pivot point. The at least one hopper arm may include at least one hopper hydraulic cylinder to extend and retract the effective length of the hopper arm to raise and lower a rear end of the hopper to modify a degree of elevation of the hopper.

Abstract: A system for maintaining a downward force on a central shaft of a cone crusher having a stationary frame, including a disc fixedly mounted to the frame, the disc having a centrally-disposed aperture with a first diameter. A plate is mounted to an end cap, the plate having a second diameter that is greater than the first diameter. The plate is disposed distally of the disc and the end cap is disposed proximally of the disc. A housing is fixed to the central shaft and biased away from the end cap wherein a downward bias is imparted to the central shaft.

Abstract: A system for maintaining a downward force on a central shaft of a cone crusher having a stationary frame is provided, wherein the central shaft is mounted to rotate with respect to the stationary frame. The system may include a disc fixed to the frame and having a substantially centrally-disposed opening. A pressure plate may be mounted to and biased toward the central shaft and positioned below the disc. The pressure plate may have a surface that faces the disc and extends downwardly. The bias of the pressure plate toward the central shaft may bias the pressure plate against the disc during at least some crushing operations. The disc may exert a downward force on the pressure plate and on the central shaft to which the pressure plate is mounted during the at least some operations.

Abstract: A mantle is provided that is disposed over a cone head of a cone crusher, including an outer surface designed to cooperate with a crusher liner to crush rocks that enter a crushing zone between the outer surface of the mantle and the crusher liner. Also provided is a mantle nut and washer assembly for mounting the mantle to the cone head. The mantle includes a flange extending around an inner surface of the mantle between the inner surface of the mantle and the mantle nut and washer assembly to absorb heat generated when performing cutting operations to remove and replace the mantle.

Abstract: Embodiments disclosed herein provide a cone crusher having a bowl support and a stationary frame to which the bowl support may be mounted, the frame including an outwardly-facing threaded portion. A wedge structure may be disposed between the bowl support and the threaded portion of the frame, the wedge structure including an inwardly-facing threaded portion, the threads of which complement the outwardly facing threaded portion of the frame. Means may be provided for exerting an upward force on the wedge structure to move the wedge structure from an original position to an operational position during crushing operations and means may be provided for exerting a downward force on the wedge structure to return the wedge ring to the original position following crushing operations.

Abstract: The present disclosure provides a generally cylindrical bowl support for a cone crusher which includes a plurality of evenly, circumferentially spaced ears around the periphery of the support. The ears are designed to have clamping cylinders mounted thereto to provide protection from tramp iron and the like passing through the cone crusher. A plurality of thickened ribs are defined in the support, at least some of the thickened ribs extending downwardly from the ears to form abutting polygon configurations to spread and absorb forces from a crushing operation. Other ones of the ribs define at least one circumferentially-extending, continuous ring forming portions of the polygons.

Abstract: Embodiments disclosed herein provide a cone crusher having a mantle and a rotating eccentric that causes the mantle to gyrate from side to side with respect to a stationary frame to which is mounted a crusher lining. The cone crusher may include a thrust bearing having a first bearing ring rotating with the eccentric and a second bearing ring mounted to the frame, the first and second bearing rings being disposed immediately adjacent and facing each other, one of the rings having a plurality of spaced oil feeds and a first and a second set of ramps on a surface facing the other ring. The first and second set of ramps extend upwardly from each of the oil feeds in opposite circumferential directions.

Abstract: Embodiments disclosed herein include a stacker for stockpiling bulk material. The stacker may include a linear conveyor having a rear portion including a hopper, and front portion, the conveyor being designed to carry bulk material along an elevating path from a low position adjacent the rear portion to a higher position adjacent the front portion. At least one leg may be mounted to the frame below the hopper, the at least one leg may include a hydraulic jack for increasing and decreasing the effective length of the leg, thereby raising and lowering the rear portion of the conveyor to increase and decrease a degree of elevation of the path. The hopper may be pivotally mounted to the conveyor, with hydraulic cylinders mounted thereto in order to raise and lower an end of the hopper to alter a degree of inclination of the hopper. Means may also be provided for maintaining the hopper in a horizontal disposition regardless of the degree of elevation of the conveyor.

Abstract: A rock crusher is provided that has a crusher cavity defined between a first part and a second part. A plurality of hydraulic cylinders are mounted between the first and second part, the hydraulic cylinders including a relief system. The relief system is included for reducing oil pressure within the hydraulic cylinders in the event uncrushables enter the crusher cavity, the relief system including a relief valve that is designed to open when hydraulic pressure in hydraulic cylinder reaches a predetermined level. This reduces the pressure in the hydraulic cylinder as oil pressure is dumped from the hydraulic cylinder via various oil passages.

Abstract: A tracked mobile radial stacker is provided that includes a conveyor having a rear end with a pivot pad, a 5th wheel connection, a hopper for receiving bulk material to be stacked, and a forward portion designed to discharge the bulk material to form a stack. Also included are a continuous track mounted to a frame, and a pair of pivotable wheels mounted to the frame, the pivotable wheels being pivotable between raised and lowered positions and being radially disposed when in the lowered position. An arm may be mounted between the frame and the forward portion of the conveyor, the arm having an underside. A bogey may be mounted to the underside of the arm, the bogey including a plurality of longitudinally-disposed bogey wheels.

Abstract: A tracked, portable radial stacker for stockpiling bulk material is provided. It includes a linear conveyor having a rear portion and a front portion and being designed to carry bulk material from a low position adjacent the rear portion to a higher position adjacent the front portion. A continuous track system is provided which includes a frame to which the conveyor is mounted, the track system including a pair of driven, parallel tracks designed to contact the ground to convey the stacker from one position to another, and to be lifted off the ground when desired. A pair of wheels are mounted to the frame, the wheels being moveable between a raised position in which they do not contact the ground and a lowered position in which they lift the tracks off the ground as they engage the ground, enabling the conveyor to be moved about the ground on the wheels.

Abstract: A tracked, portable radial stacker for stockpiling bulk material including a linear conveyor having a rear portion and a front portion and being designed to carry bulk material from a low position adjacent the rear portion to a higher position adjacent the front portion. A foot may be disposed adjacent the rear portion of the conveyor and designed to selectively contact the ground to facilitate pivoting of the conveyor. A continuous track system may include a frame to which the conveyor is mounted, the track system including a pair of driven, parallel tracks designed to contact the ground to convey the stacker from one position to another, and to be lifted off the ground when desired. A pair of mid-wheels may be mounted to the frame to be moveable between a raised position in which they do not contact the ground and a lowered position in which they contact the ground and lift the tracks off the ground.

Abstract: A tracked, portable radial stacker for stockpiling bulk material that includes a linear conveyor having a rear portion and a front portion and being designed to carry bulk material from a low position adjacent the rear portion to a higher position adjacent the front portion. A contact may be disposed adjacent the rear portion of the conveyor and designed to selectively contact the ground to facilitate pivoting of the conveyor. A continuous track system may also be included having a frame to which the conveyor is mounted, the track system including a pair of driven, parallel tracks designed to contact the ground to convey the stacker from one position to another, and to be lifted off the ground when desired. A pair of mid-wheels may be mounted to the frame that are displaceable between a raised position in which they do not contact the ground and a first lowered position in which they engage the ground.

Abstract: Embodiments disclosed herein include a stacker for stockpiling bulk material. The stacker may include a linear conveyor having a rear portion including a hopper, and front portion, the conveyor being designed to carry bulk material along an elevating path from a low position adjacent the rear portion to a higher position adjacent the front portion. At least one leg may be mounted to the frame below the hopper, the at least one leg may include a hydraulic jack for increasing and decreasing the effective length of the leg, thereby raising and lowering the rear portion of the conveyor to increase and decrease a degree of elevation of the path. The hopper may be pivotally mounted to the conveyor, with hydraulic cylinders mounted thereto in order to raise and lower an end of the hopper to alter a degree of inclination of the hopper. Means may also be provided for maintaining the hopper in a horizontal disposition regardless of the degree of elevation of the conveyor.

Abstract: A tracked, portable radial stacker for stockpiling bulk material that includes a linear conveyor having a rear portion and a front portion and being designed to carry bulk material from a low position adjacent the rear portion to a higher position adjacent the front portion. A contact may be disposed adjacent the rear portion of the conveyor and designed to selectively contact the ground to facilitate pivoting of the conveyor. A continuous track system may also be included having a frame to which the conveyor is mounted, the track system including a pair of driven, parallel tracks designed to contact the ground to convey the stacker from one position to another, and to be lifted off the ground when desired. A pair of mid-wheels may be mounted to the frame that are displaceable between a raised position in which they do not contact the ground and a first lowered position in which they engage the ground.

Abstract: A belt-type, portable, radial conveyor system is provided that may include a conveyor frame extending from a rear end to a front end, and having rear portions and front portions, a hopper disposed adjacent the rear end of the conveyor frame, a conveyor belt mounted to the conveyor frame, a tracked or wheeled drive carriage to support the conveyor system during relocation from site to site, and an engine mounted to the rear portion of the conveyor frame remote from the carriage.