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Patent Searching and Data


Title:
SHOVEL
Document Type and Number:
WIPO Patent Application WO/2020/203851
Kind Code:
A1
Abstract:
Provided is a shovel that calculates the weight of a loaded object while limiting the number of sensors. This shovel is provided with an attachment attached to an upper rotating body, and a control device. The control device has a center of gravity estimating unit that estimates the center of gravity of a loaded object loaded onto the attachment, and a weight calculating unit that calculates the weight of the loaded object on the basis of the estimated center of gravity of the loaded object.

Inventors:
SANO YUSUKE (JP)
WU CHUNNAN (JP)
HIRANUMA KAZUNORI (JP)
Application Number:
PCT/JP2020/014224
Publication Date:
October 08, 2020
Filing Date:
March 27, 2020
Export Citation:
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Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
E02F9/20; E02F9/26; G01G19/08; G01G19/16
Foreign References:
JPH11230820A1999-08-27
JPH0783740A1995-03-31
JPH04176918A1992-06-24
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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