Title:
WHEELED CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/188963
Kind Code:
A1
Abstract:
A control device for a wheeled hydraulic shovel according to the present invention controls the flow of pressure oil from a hydraulic cylinder that drives a work device, and executes control of a vibration suppression function that suppresses the vibration of the hydraulic cylinder when the rotation speed of a wheel reaches a predetermined value or more. Furthermore, even when the control of the vibration suppression function is enabled by an instruction from a vibration suppression instructing device, if the vehicle body is jacked up by the work device, the control device disables the control of the vibration suppression function.
Inventors:
NARUO NAOKI (JP)
Application Number:
PCT/JP2023/005615
Publication Date:
October 05, 2023
Filing Date:
February 16, 2023
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F9/20
Domestic Patent References:
| WO2011021970A1 | 2011-02-24 |
Foreign References:
| JP2005193890A | 2005-07-21 | |||
| JP2004017849A | 2004-01-22 | |||
| JPH03244720A | 1991-10-31 | |||
| JP2009068164A | 2009-04-02 | |||
| US20100268410A1 | 2010-10-21 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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