公开(公告)号：US20170293283A1

公开(公告)日：2017-10-12

申请号：US15479721

申请日：2017-04-05

Applicant: Caterpillar Inc.

Inventor： Liang Li ,  Mingsheng Xiao ,  Zhen Li ,  Thuong Le

IPC: G05B19/18 ,  G08B21/18 ,  F16P3/08

CPC classification number: G05B19/182 ,  A01B76/00 ,  E02F9/24 ,  F16P3/00 ,  G05B2219/50245

Abstract: The invention relates to a control method for a quick change device of a work tool, comprising the steps of: receiving a command to disengage a work tool clamping device; determining whether the work tool clamping device is in an engaged state; detecting functionality of a disengagement alarm if the work tool is in the engaged state; switching to an emergency state upon the detection of failure of the disengagement alarm. The present invention further relates to a corresponding control apparatus and work machine.

公开(公告)号：US10394215B2

公开(公告)日：2019-08-27

申请号：US15479721

申请日：2017-04-05

Applicant: Caterpillar Inc.

Inventor： Liang Li ,  Mingsheng Xiao ,  Zhen Li ,  Thuong Le

IPC: E02F9/24 ,  G05B19/18 ,  A01B76/00 ,  B23Q11/00 ,  F16P3/00

Abstract: The invention relates to a control method for a quick change device of a work tool, comprising the steps of: receiving a command to disengage a work tool clamping device; determining whether the work tool clamping device is in an engaged state; detecting functionality of a disengagement alarm if the work tool is in the engaged state; switching to an emergency state upon the detection of failure of the disengagement alarm. The present invention further relates to a corresponding control apparatus and work machine.