Construction machine

• Main Authors: MURAYAMA YUJI, YANASE YOSHITAKA, OKANO HAJIME
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2024
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; DREDGING; FIXED CONSTRUCTIONS; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; FOUNDATIONS; HEATING; HYDRAULIC ENGINEERING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SOIL SHIFTING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

A manifold (33) of a closed-circuit control valve device (32) disposed on the rear side of a rotary hydraulic motor (8) on the left side has: a valve attachment region (33E) provided in the center in the left-right direction and to which a control valve (34) is attached; and a pipe attachment region (33F) which is provided on the outer side in the left-right direction than the valve attachment region (33E) and to which a closed-circuit actuator-side pipe (47) is attached. A manifold (42) of an open-circuit control valve device (41) disposed on the rear side of a right rotary hydraulic motor (9) has: a valve attachment region (42E) provided in the center in the left-right direction and to which a control valve (43) is attached; and a pipe attachment region (42F) which is provided on the outer side in the left-right direction than the valve attachment region (42E) and to which an open-circuit actuator-side pipe (48) is attached. 配置于左侧的旋转液压马达(8)的后侧的闭回路用控制阀装置(32)的歧管(33)具有：设于左右方向的中央部并安装有控制阀(34)的阀安装区域(33E)；和与阀安装区域(