Abstract: Disclosed is a mill liner for a grinding mill, a mill liner coupling, a coupling tool, and a method of removing a mill liner for a grinding mill. The mill liner is arranged to be removably mounted to an interior surface of the grinding mill. The mill liner includes a coupling component that forms part of a coupling to connect the liner to a coupling tool for lifting of the liner. The coupling component being may be accessible via the inner surface or the wear surface. The coupling component may be in the form of at least one cavity.

Abstract: Disclosed is a coupler for a coupling arrangement for a rail wagon. The coupler comprising a body and a knuckle. The body has a head portion at one end for engaging with a knuckle and a butt portion at an opposing end for engaging with a yoke. The knuckle extends between a protruding portion that engages a complementary knuckle of a coupler for an adjoining rail wagon, and a tail extending along a longitudinal axis for coupling the knuckle with the head portion of the coupler. The head portion comprises an interior wall defining an interior cavity for engaging the tail of the knuckle. The coupler is configured such that in use loading induced in the coupler is transferred between the knuckle and the head portion along a substantially evenly distributed load path.

Abstract: Disclosed is a mill liner assembly for a grinding mill. The mill liner assembly including a mill liner and a head nut for the mill liner. The liner comprises a wear surface and an opposite inner surface. The head nut forming part of a coupling for use in removably mounting the mill liner to an interior surface of the grinding mill. The mill liner assembly further comprises at least one passage having an interior wall extending through in the liner for receiving the head nut. The head nut includes a leading end and a trailing end being spaced apart along an axis. The head nut also comprises a body having an interior bore extending along the axis operative to receive a shank, the shank forming part of the coupling, and an engaging portion connected to or integrally formed with the body to engage the interior wall of the passage to retain the head nut in the at least one passage in the mill liner. Also disclosed is a method of installation of a head nut in a mill liner.

Abstract: A locking assembly is disclosed for securing a wear member to a support structure. The locking assembly includes a locking pin having a pin capable of securing the wear member to the support structure. The pin is disclosed as including pin portions that are interconnected through a coupling to allow torque to be transferred from at least one pin portion to the other pin portion and allow axial movement of one of the pin portions relative to the other pin portion in the direction of the pin axis. Also disclosed is a locking assembly to retain a pin in a predetermined position.

Abstract: A liner element for lining a vertical grinding mill agitator including one or more primary mounting portions configured to releasably mount the liner to a shaft of the agitator; and one or more secondary mounting portions configured to releasably mount one or more wear members to the liner. A liner segment including the liner element and at least one wear member is also disclosed.

Abstract: Disclosed is a bucket for moving material. The bucket comprising an engagement beam for engaging a machine. The engagement beam including a plurality of lugs. The bucket further comprises a basket supported by the engagement beam. The basket having a basket body defining a basket interior. In some embodiments, the engagement beam is cast. In some embodiments, at least a portion of the basket body is removable to allow for replacement of the at least a portion of the basket body.

Abstract: Disclosed is a system and method for determining a wear or operational characteristic regarding an apparatus. The method includes: determining a position data of at least a portion of the apparatus, by analysing two-dimensional image data from each of a plurality of image sensors located to capture image data of the apparatus, or part thereof, and calculating a physical or operational characteristic using the position data.

Abstract: A lock is disclosed for securing a wear member to a support structure. The lock is arranged to be movable within the locking hole formed in the wear member. In some forms, at least one latch is disposed on the lock body of the lock mounted within the wear member and has a detent movable transverse to an axis of the lock body and arranged in use to restrain movement of the lock in the locking hole. In some forms, multiple retainers are provided to restrain movement of the lock body in the locking hole. A wear member, wear assembly and associated methods are also disclosed.

Abstract: Disclosed is a mill liner for a grinding mill, a mill liner coupling, a coupling tool, and a method of removing a mill liner for a grinding mill. The mill liner is arranged to be removably mounted to an interior surface of the grinding mill. The mill liner includes a coupling component that forms part of a coupling to connect the liner to a coupling tool for lifting of the liner. The coupling component being may be accessible via the inner surface or the wear surface. The coupling component may be in the form of at least one cavity.

Abstract: A liner element for lining a vertical grinding mill agitator including one or more primary mounting portions configured to releasably mount the liner to a shaft of the agitator; and one or more secondary mounting portions configured to releasably mount one or more wear members to the liner. A liner segment including the liner element and at least one wear member is also disclosed.

Abstract: Disclosed herein is a mill liner assembly for a grinding mill, comprising: a mill liner which comprises a wear surface and an opposite inner surface that is arranged in use to be mounted in opposed relation to an interior surface of a shell of the grinding mill, a liner sensor which is embedded within the mill liner; and a control or power arrangement configured to control or power the liner sensor, the control or power arrangement being also embedded in the mill liner.

Abstract: A locking assembly is disclosed for securing a wear member to a support structure. The locking assembly includes a locking pin having a pin capable of securing the wear member to the support structure. The pin is disclosed as including pin portions that are interconnected through a coupling to allow torque to be transferred from at least one pin portion to the other pin portion and allow axial movement of one of the pin portions relative to the other pin portion in the direction of the pin axis. Also disclosed is a locking assembly to retain a pin in a predetermined position.

Abstract: A liner element for lining a vertical grinding mill agitator including one or more primary mounting portions configured to releasably mount the liner to a shaft of the agitator; and one or more secondary mounting portions configured to releasably mount one or more wear members to the liner. A liner segment including the liner element and at least one wear member is also disclosed.

Abstract: A lock assembly for locking a wear member to excavation equipment, the assembly comprising first and second bodies configured to be assembled together, one body substantially positioned over the other, in an assembled condition to form a lock extending along a longitudinal axis, the first and second bodies each comprising at least one interengaging formation, the, or respective ones of the, interengaging formations on the bodies being configured to interengage when the bodies are in the assembled condition to form one or more couplings that resist lateral displacement of the bodies with respect to each other under loads applied transverse to the longitudinal axis of the assembled lock to the side of the first and second bodies.

Abstract: An excavation tooth lock assembly to lock a first tooth member to a second tooth member, the first tooth member having a body that incorporates a socket which is configured to receive a nose portion of the second tooth member, a locking space provided when the second tooth member is received in the first tooth member, wherein the lock assembly comprises: a lock comprising a body which is configured to be inserted into the locking space including by rotating the body into an operative position to lock the first tooth member to the second tooth member and interengaging elements disposed on the lock and one or both of the first and second tooth members, the elements configured to releaseably retain the lock within the locking space in its operative position.

Abstract: A lip for an excavation bucket, the lip comprising: an upper and a lower surface that extend to a digging edge; and a plurality of mounting sections for mounting shrouds to the lip to protect the digging edge against wear, at least one of the mounting sections comprising first and second bearing surfaces on one of the upper or lower surfaces of the lip and configured to have a shroud bear against when mounted to the mounting section, wherein the first and second bearing surfaces are inclined with respect to one another.

Abstract: A member for assembly with other members in an assembled condition to form an excavation bucket, the member forming at least part of one of the walls of the bucket when in its assembled condition, the member comprising a body having a forward edge; a rearward edge; opposite inner and outer surfaces that extend between the edges; a first portion of the member being thicker between its inner and outer surfaces than a second portion of the member, the first portion being disposed forward of the second portion.

Abstract: An excavation tooth assembly comprising: a first tooth member including a nose portion; and a second tooth member comprising a body having opposite first and second ends and a socket extending into the body from the first end to finish at an end wall, the first and second tooth members arranged in an assembled condition where the nose portion of the first tooth member is received within the socket of the second tooth member, wherein the tooth members being configured in the assembled condition with opposed surface portions of the socket located towards the second end of the second tooth member bearing on the nose portion of the first tooth member and clearance gaps are provided between opposed surface portions of the socket located towards the first end of the second tooth member and the nose portion.

Abstract: A lock for an excavation tooth assembly comprising: a body; and a locking element mounted to the body, wherein the locking element is capable of adopting an inserting configuration with respect to the body to enable the lock to be inserted through a cavity in a nose and is capable of adopting a lockable configuration with respect to the body in which the locking element is arranged for engaging a tooth member mounted to the nose to lock the tooth member to the nose.