Control method and apparatus for quick change device of work tools
AssigneeCaterpillar Inc.
InventorsLiang Li, Mingsheng Xiao, Zhen Li, Thuong Le
Life of this patent
Estimating the term…
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.
Claims8
A control method for a quick change device of a work tool, the control method 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 a functionality of a disengagement alarm if the work tool clamping device is in the engaged state;
- and
- switching to an emergency state upon detection of a failure of the disengagement alarm.
Dependencies are inferred from the claim text.