Construction machine

[Problem] To achieve both control for restricting the operation of a vehicle and control for increasing the engine speed when an obstacle is detected in a construction machine. Therefore, when the vehicle body does not require the engine rotational speed increase control and the obstacle detection d...

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Bibliographic Details
Main Authors NISHIKAWA SHINJI, NARAZAKI AKIHIRO, KAMEOKA RYOTA
Format Patent
LanguageChinese
English
Published 29.04.2022
Subjects
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:[Problem] To achieve both control for restricting the operation of a vehicle and control for increasing the engine speed when an obstacle is detected in a construction machine. Therefore, when the vehicle body does not require the engine rotational speed increase control and the obstacle detection device (5-8) does not detect an obstacle, the vehicle body controller (13) performs operation limit control by performing control for reducing the rotational speed of the engine (19), and when the vehicle body requires the engine rotational speed increase control and the obstacle detection device (5-8) detects an obstacle, the vehicle body controller (13) performs operation limit control by performing control for reducing the rotational speed of the engine (19). The vehicle body controller (13) performs supply flow rate reduction control for reducing the flow rate of hydraulic oil supplied from the hydraulic pump (21) to the hydraulic actuators (3d-3h). 在工程机械中，实现兼顾在检测到障碍物时进行的限制车动作的控制和使发动机转速上升的控制。因此，在车体不要求发动机转速上升控制，且
Bibliography:Application Number: CN202080065231