Structure of slewing ring bearing

专利名称：Structure of slewing ring bearing

发明人：Yoshida, Takafumi,Takita, Katsuhiko,Miyake,

Hisao,Shibata, Masaaki,Nakashima, Keita

申请号：EP12182556.6申请日：20050531公开号：EP2532904A3公开日：20121219

专利附图：

摘要：A slewing bearing structure comprises:an outer ring (4) having first and secondcircumferential outer grooves formed on an inner circumferential surface in parallel;aninner ring (5) provided on an inner side of said outer ring section and having first and

second circumferential inner grooves formed on an outer circumferential surface inparallel in correspondence to said first and second circumferential outer grooves of saidouter ring section (4);a first row (6) of rolling elements provided in said first

circumferential outer groove of said outer ring (4) and said first circumferential innergroove of said inner ring (5); and a second row (7) of rolling elements provided in saidsecond circumferential outer groove of said outer ring (4) and said second

circumferential inner groove of said inner ring ( 5 ) ,wherein said inner ring (5) rotates viasaid first and second rolling element rows (6, 7) around a rotation axis in a relativelyopposite direction to said outer ring (4),wherein said outer ring (4) includesa first outerring section (8) provided with said first circumferential outer groove; anda second outerring section (9) provided with said second circumferential outer groove;wherein said innerring (5) includesa first inner ring section (11) provided with said first circumferential innergroove; anda second inner ring section (12) provided with said second circumferentialinner groove,wherein said slewing bearing structure further comprises a first pair of sideplates (13), each plate of said first pair being fitted to a side circumferential surface ofsaid first and second outer ring sections (8, 9), respectively, and/or a second pair of sideplates (13'), each plate of said second pair being fitted to a side circumferential surface ofsaid first and second inner ring sections (11, 12), respectively.

申请人：Mitsubishi Heavy Industries

地址：16-5, Konan 2-chome, Minato-ku Tokyo 108-8215 JP

国籍：JP

代理机构：Intès, Didier Gérard André

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