Lower rack assembly of multi-cylinder cone crusher

• Main Authors: HE ZHIMIN, KANG JUN-WOONG, LEI HUALIANG
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• Subjects: CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN; PERFORMING OPERATIONS; PREPARATORY TREATMENT OF GRAIN FOR MILLING; TRANSPORTING

The invention discloses a lower rack assembly of a multi-cylinder cone crusher. The lower rack assembly is structurally characterized in that a lower rack and a main shaft are integrally cast and then processed; a hole is formed in the observation window cover plate and is used for fixing the observation window cover plate on a lower rack; the supporting rod is segmented into a circle and is welded on the upper end surface of the lower rack; the cushion is a copper piece and is segmented into a circle of conical surface welded on the lower rack; the guide pin bushing is mounted in a corresponding mounting hole in the upper flange surface of the lower rack in a cold mounting interference fit manner and is used for protecting the lower rack and preventing the lower rack from being in direct contact with the guide pin, and the O-shaped ring is mounted in a clamping groove in the lower end of the guide pin bushing and is prevented from falling off; the jackscrew seat is welded on the end surface of the horizontal