- Patent Title: Control method and apparatus for quick change device of work tools
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Application No.: US15479721Application Date: 2017-04-05
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Publication No.: US10394215B2Publication Date: 2019-08-27
- Inventor: Liang Li , Mingsheng Xiao , Zhen Li , Thuong Le
- Applicant: Caterpillar Inc.
- Applicant Address: US IL Deerfield
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Deerfield
- Agency: Hibshman Claim Construction PLLC
- Agent Steven G. Kibby
- Priority: CN201610212954 20160407
- Main IPC: E02F9/24
- 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.
Public/Granted literature
- US20170293283A1 CONTROL METHOD AND APPARATUS FOR QUICK CHANGE DEVICE OF WORK TOOLS Public/Granted day:2017-10-12
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