A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Shovel-type construction machine
The present invention aims to improve the strength of the portion of the swing frame for attaching the swing motor apparatus while reducing cost. A bottom plate of a swing frame is divided into a center bottom plate segment to which the swing motor apparatus mounting portion is attached, a front bottom plate segment that is positioned to the front side of the center bottom plate segment and to which the center joint mounting portion is attached, and a rear bottom plate segment positioned to the rear side of the center bottom plate segment, wherein: the center, front, and rear bottom plate segments and are formed integrally by welding; and the plate thickness of the center bottom plate segment is thicker than the plate thickness of the front bottom plate segment and the rear bottom plate segment.
Shovel-type construction machine
The present invention aims to improve the strength of the portion of the swing frame for attaching the swing motor apparatus while reducing cost. A bottom plate of a swing frame is divided into a center bottom plate segment to which the swing motor apparatus mounting portion is attached, a front bottom plate segment that is positioned to the front side of the center bottom plate segment and to which the center joint mounting portion is attached, and a rear bottom plate segment positioned to the rear side of the center bottom plate segment, wherein: the center, front, and rear bottom plate segments and are formed integrally by welding; and the plate thickness of the center bottom plate segment is thicker than the plate thickness of the front bottom plate segment and the rear bottom plate segment.
Shovel-type construction machine
TSUNEYOSHI TAKESHI (author) / IWAMOTO TAKAHIRO (author) / NAKAMURA TAKESHI (author) / NAKAI AKITO (author) / NAKAYAMA KENTARO (author) / KUMAR DHARMESH (author) / ANDATSU KOICHI (author)
2020-01-28
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING