Title:
SHOVEL, INFORMATION PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/202986
Kind Code:
A1
Abstract:
The present invention discloses a shovel in which a technology is provided which can suitably adjust a flow rate of a hydraulic pump in a composite operation in which a preliminary attachment and another element to be driven are simultaneously operated. A shovel according to an embodiment of the present invention is provided with: a lower traveling body 1; an upper rotating body 3 rotatably mounted on the lower traveling body 1; a boom 4 mounted on the upper rotating body 3; an arm 5 mounted on the tip of the boom 4; a preliminary attachment (e.g., a breaker 90, a crusher 92) mounted of the tip of the arm 5; a main pump 14 which supplies a hydraulic oil to the preliminary attachment and another hydraulic actuator (e.g., a boom cylinder or an arm cylinder 8); and a controller 30, wherein the controller 30 performs setting pertaining to a flow rate of the main pump 14 in a composite operation in which the preliminary attachment and the other hydraulic actuator are simultaneously operated.
Inventors:
TAGAMI DAISUKE (JP)
Application Number:
PCT/JP2020/008943
Publication Date:
October 08, 2020
Filing Date:
March 03, 2020
Export Citation:
Assignee:
SUMITOMO CONSTRUCTION MACHINERY CO LTD (JP)
International Classes:
E02F9/22; E02F9/26; F15B11/02; F15B11/16
Foreign References:
| JP2002339908A | 2002-11-27 | |||
| JP2015081458A | 2015-04-27 | |||
| JP2005226678A | 2005-08-25 | |||
| JP2017137968A | 2017-08-10 | |||
| JPH0925652A | 1997-01-28 | |||
| JP2012092587A | 2012-05-17 | |||
| JP2007162866A | 2007-06-28 | |||
| JP2016070004A | 2016-05-09 | |||
| JP2011231489A | 2011-11-17 | |||
| JP2009235720A | 2009-10-15 | |||
| JP2002201675A | 2002-07-19 | |||
| JP2016173031A | 2016-09-29 | |||
| JP2019069473A | 2019-05-09 |
Other References:
See also references of EP 3951101A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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