Title:
REVOLVING FRAME FOR WORK MACHINE, AND WORK MACHINE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2017/170806
Kind Code:
A1
Abstract:
The purpose of the present invention is to improve the suspension capacity of a work machine while suppressing an increase in vehicle weight. When this revolving frame 1 is viewed from the side, a first reinforcement member 11 is provided extending from a boom foot part 5 to a front-side portion of a revolving bearing 22, a second reinforcement member 12 is provided extending from the boom foot part 5 to a mast foot part 6, and a third reinforcement member 13 is provided extending from the mast foot part 6 to a rear-side portion of the revolving bearing 22. Furthermore, a fourth reinforcement member 14 is provided extending from an intermediate region M to the front-side portion of the revolving bearing 22, said intermediate region being positioned at an upper end part of the revolving frame 1 and above the rear part of the revolving bearing 22. Moreover, a fifth reinforcement member 15 is provided extending from the intermediate region M to the rear-side portion of the revolving bearing 22.
Inventors:
KAWAMOTO KYOHEI
NAKASHIMA YASUHIRO
HAMAGUCHI HIROMITSU
NAKASHIMA YASUHIRO
HAMAGUCHI HIROMITSU
Application Number:
PCT/JP2017/013128
Publication Date:
October 05, 2017
Filing Date:
March 30, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
KOBELCO CONSTR MACH CO LTD (JP)
KOBELCO CONSTR MACH CO LTD (JP)
International Classes:
B66C23/62; B66C23/36
Domestic Patent References:
| WO2012067014A1 | 2012-05-24 |
Foreign References:
| JP2015231914A | 2015-12-24 | |||
| JP2010241586A | 2010-10-28 | |||
| JP2000143156A | 2000-05-23 | |||
| JPH10250987A | 1998-09-22 |
Other References:
See also references of EP 3438037A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
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