Wear protection for a rock crushing system
AssigneeSandvik Intellectual Property AB
InventorAlbert J. Van Mullem
Life of this patent
Estimating the term…
Abstract
A segmented wear resistant band for protecting a surface subject to wear in a crusher is comprised of segments or concaves. The segments of the wear resistant band can be separated from each other by portions of reduced thickness. The portions of reduced thickness can be cut after the installation to the surface. The segments can also include a flange for reception in a recess between a spider and the top shell of a gyratory crusher.
Claims28
A cylindrical wear resistant band for providing a wear protection surface over an inside surface of a cylindrical member in a rock crusher, the cylindrical wear resistant band comprising:
- a cast piece including a plurality of curvilinear segments, the curvilinear segments being separated from each other by a portion of reduced thickness, whereby the portion of reduced thickness can be cut through to separate the curvilinear segments after installation on the inside surface of the cylindrical member in the rock crusher.
In a rock crusher including a wear protection arrangement for a surface to protect the surface from wear, the surface supporting a crushing operation of the rock crusher, the wear protection arrangement comprising:
- a plurality of curvilinear segments connected by a portion of reduced thickness.
A method of repairing or manufacturing a rock crusher having a shell, the shell being exposed to wear when the rock crusher is operational, the method comprising step of:
- attaching a one piece wear band including segments separated by a portion of reduced thickness to the shell.
A concave for a gyratory crusher, the gyratory crusher including a shell and a spider, the shell having a concave surface, the shell and the spider defining a recess, the concave comprising:
- a top end having a flange, the flange being configured to be received in the recess.
A gyratory crusher, comprising:
- a shell;
- a spider disposed over the shell, the shell and the spider defining a recess;
- and
- a concave covering at least a portion of the shell, the concave including a top end having a flange, the flange being configured to be received in the recess.
A method of repairing or assembling a gyratory rock crusher including a spider and a shell the method comprising:
- placing a concave element on a rim of the shell, the concave element having a flange and a lip, the flange resting on the rim of the shell;
- and
- disposing the spider over the shell, thereby capturing the flange between the spider and the rim of the shell.
A cylindrical wear resistant band for providing a wear protection surface over an inside surface of a cylindrical member in a rock crusher, the cylindrical wear resistant band comprising:
- a cast piece including a plurality of curvilinear segments, the curvilinear segments capable of being separated from each other, whereby the band can be cut to separate the curvilinear segments after installation on the inside surface of the cylindrical member in the rock crusher.
Dependencies are inferred from the claim text.