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Title:
MONITORING METHOD IN AUTOMATIC OPERATION OF CONTINUOUS UNLOADER
Document Type and Number:
Japanese Patent JP3343975
Kind Code:
B2
Abstract:

PURPOSE: To provide a monitoring method in the automatic operation of a continuous unloader enabling the display of large deviation of the tip of a scraping part from a teaching path not only in a middle position between adjacent target points but also near each target point.
CONSTITUTION: A safety zone A1 formed of an area within the specified distance from a teaching path Z connecting each target point, and an alarm zone A2 formed outside of the safety zone A1 are provided on a virtual map obtained by the operation of a controller. A signal is emitted when the tip 11a of a scraping part 11 is positioned in the alarm zone on the virtual map so as to display the deviation of the scraping part tip from the teaching path.


Inventors:
Toru Hayashi
Application Number:
JP2305293A
Publication Date:
November 11, 2002
Filing Date:
February 10, 1993
Export Citation:
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Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
B65G67/60; B65G65/02; (IPC1-7): B65G65/02; B65G67/60
Domestic Patent References:
JP60106727A
JP213599A
Attorney, Agent or Firm:
Masatake Shiga (2 outside)