作業機械 - Hitachi Construction Machinery Co., Ltd.

Title:

作業機械

Document Type and Number:

Japanese Patent JP6781146

Kind Code:

B2

Abstract:

To make it possible to use a tilt type attachment as a hanging type attachment, and to easily shift to a transport posture while mounting an attachment and carry on land.SOLUTION: An arm 24 and an attachment 22 of a work machine 20 are connected by a connection link 50 composed of a swing arm 51, a hanging metal fitting 52, a pressing member 53, and a pressed member. One end of the connection link 50 is connected to a tip of the arm, and the other end is connected to an attachment cylinder 27. An upper end of the hanging metal fitting 52 is hung from the swing arm 51, and the attachment is connected to a lower part. The pressing member 53 is provided in the swing arm 51, and the pressed member 54 is provided in the hanging metal fitting 52. By driving the swing arm in a dumping direction and making the pressing member separated from the pressed member, the attachment becomes in a hung state via the hanging metal fitting. By driving the swing arm in a crowding direction and pressing the pressed member with the pressing member, the attachment 22 rotates in the crowding direction.SELECTED DRAWING: Figure 1

Inventors:

Kazuma Nishio
Toshitaka Kato

Application Number:

JP2017254347A

Publication Date:

November 04, 2020

Filing Date:

December 28, 2017

Export Citation:

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