Title:
GYRATORY CRUSHER
Document Type and Number:
WIPO Patent Application WO/2019/045042
Kind Code:
A1
Abstract:
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.
Inventors:
KIJIMA TAKASHI (JP)
OYAMA ATSUSHI (JP)
KOGA AKIMASA (JP)
SHIRACHI TAKAKAZU (JP)
SATO YOSHICHIKA (JP)
OYAMA ATSUSHI (JP)
KOGA AKIMASA (JP)
SHIRACHI TAKAKAZU (JP)
SATO YOSHICHIKA (JP)
Application Number:
PCT/JP2018/032331
Publication Date:
March 07, 2019
Filing Date:
August 31, 2018
Export Citation:
Assignee:
KK EARTHTECHNICA (JP)
International Classes:
B02C2/06
Domestic Patent References:
| WO2011005169A1 | 2011-01-13 |
Foreign References:
| JP2016165691A | 2016-09-15 | |||
| JP2012240014A | 2012-12-10 | |||
| JP2003316851A | 2003-11-07 | |||
| JP2006002823A | 2006-01-05 |
Attorney, Agent or Firm:
NAZUKA Satoshi et al. (JP)
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