Kobelco Construction Machinery Co., Ltd.

Yasuhiko Shimazu

Koji Yamashita

Teppei Maedo

Keisuke Shimomura

Kazufumi Kudara

Nobuhiro Takamatsu

Nobuhiro Fukuo

In a work machine suspension device, each of a plurality of retention devices includes a support member that is supported by a first leg portion main body so as to be movable between an entry allowed position and a retention position. The entry allowed position is a position where the support member retracts from a second leg portion main body to allow a retained portion to enter between the first leg portion main body and the second leg portion main body, and the retention position is a position where the retained portion is retained on the support member while the support member is supported by the first leg portion main body and the second leg portion main body.

Work machine suspension device, retention device, and method for suspending structure member

The present invention aims to reduce the costs of construction machine by providing a side frame that can be shared by a plurality of construction machines of different models. A left side frame has: a cab support portion for supporting a cab; a cooler support portion provided behind the cab support portion to support a cooler; and a tank support portion provided between the cab support portion and the cooler support portion to support a tank. The tank support portion is configured to allow one of a first tank and a second tank that is different from the first tank in size in the right-and-left direction to be selectively attached to the tank support portion.

Side frame for construction machine

Growing community of inventors

Hiroshima, Japan

Yasuhiko Shimazu