Kobelco Construction Machinery Co., Ltd.

Nobuhiro Takamatsu

Teppei Maedo

Kazufumi Kudara

Satoshi Okada

Takunori Yamaguchi

Yasuhiko Shimazu

Tomotaka Mitani

A system is capable of reducing effects of how much knowledge/experience a user has and making it easy for the user to decide a plan for work by a crane. It is possible to cause a user who has specified first carriage points through a terminal input interface to grasp an arrangement aspect and specifications of a crane for carrying materials to the first carriage points (or from the first carriage points) by the crane while avoiding interference of the crane and the materials with a building, through a secondary work situation image output to a terminal output interface of an information terminal.

Work planning assistance device and work planning assistance method

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

A mobile crane includes: a lower traveling body including a pair of crawlers; an upper slewing body supported on the lower traveling body slewably about a slewing axis; a tiltable attachment including a boom tiltably supported on the upper slewing body; and a physical quantity detector. The lower traveling body has a reaction force receiving part for receiving a reaction force from the ground at a position away from the slewing axis in a boom direction in a state where the pair of crawlers are in contact with the ground, the boom direction coinciding with a horizontal component of a direction in which the boom extends from the upper slewing body, and the physical quantity detector detects a physical quantity which changes in accordance with a change in the reaction force received from the ground by the reaction force receiving part.

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Hiroshima, Japan

Nobuhiro Takamatsu