Title:
FRAME STRUCTURE FOR WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/053313
Kind Code:
A1
Abstract:
An upper frame of a work machine comprises: a center section 11 including a longitudinal plate 13 extending in a front-rear direction; and a side deck 12 including a transverse beam 18 of which one end is coupled to the longitudinal plate 13 and the other end extends leftward or rightward from the longitudinal plate 13. The upper frame has a reinforcing plate 21 which has an upper surface 21u and a lower surface 21d, and of which one side is welded to the longitudinal plate 13 and the other side is welded to the transverse plate 18, wherein a torch interference avoiding space for inserting thereinto a welding torch Td is provided between the center section 11 and the side deck 12. Accordingly, the welding torch Td welds the lower surface 21d side of the reinforcing plate 21 and the longitudinal plate 13 without interfering with the center section 11 and the side deck 12.
Inventors:
TODA HISAO
OKANO TETSUYA
OKANO TETSUYA
Application Number:
PCT/JP2023/028796
Publication Date:
March 14, 2024
Filing Date:
August 07, 2023
Export Citation:
Assignee:
KOBELCO CONSTR MACH CO LTD (JP)
International Classes:
E02F9/08
Foreign References:
| JP2020190161A | 2020-11-26 | |||
| JP2014214510A | 2014-11-17 |
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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