Gyratory crusher

Lubricating oil is supplied to a gap between an outer peripheral surface of a lower part of a main shaft (5) inserted into a main shaft insertion hole (3) for a main shaft bearing (10), and a surface that forms the main shaft insertion hole (3), thus forming the main shaft bearing (10). Lubricating...

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Bibliographische Detailangaben
Hauptverfasser:	KIJIMA, Takashi, KOGA, Akimasa, OYAMA, Atsushi, SATO, Yoshichika, SHIRACHI, Takakazu
Format:	Patent
Sprache:	eng
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING TRANSPORTING
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Beschreibung
Zusammenfassung:	Lubricating oil is supplied to a gap between an outer peripheral surface of a lower part of a main shaft (5) inserted into a main shaft insertion hole (3) for a main shaft bearing (10), and a surface that forms the main shaft insertion hole (3), thus forming the main shaft bearing (10). Lubricating oil is supplied to a gap between an outer peripheral surface of an eccentric sleeve (4) inserted into an eccentric sleeve insertion hole (27), and a surface that forms the eccentric sleeve insertion hole (27), thus forming an eccentric sleeve bearing (11). The main shaft bearing (10) and/or the eccentric sleeve bearing (11) has an area that is robust in terms of changes in the minimum oil film thickness of the lubricating oil relative to changes in the power of a motor that rotatably drives the main shaft (5). This gyratory crusher can robustly adapt to a wide variety of objects to be crushed, and can also robustly adapt to changes in load conditions.