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1. 发明申请

WO2008012293A1 A HYDRAULIC CONNECTION ASSEMBLY WITH A PRESSURE DISCHARGE CONTROL, POSITIONABLE BETWEEN AN ONBOARD HYDRAULIC CIRCUIT OF AN ENGINEERING VEHICLE AND A REMOVABLE HYDRAULIC EQUIPMENT 审中-公开
标题翻译：液压连接组件，具有压力释放控制，可在工程车辆的一个液压电路和可拆卸的液压设备之间定位
公开(公告)号：WO2008012293A1
公开(公告)日：2008-01-31
申请号：PCT/EP2007/057593
申请日：2007-07-24
申请人： STUCCHI S.p.A. , POLGATI, Igor , URSELLA, Andrea
发明人： POLGATI, Igor , URSELLA, Andrea
IPC分类号： F15B20/00
CPC分类号： F15B20/00 , E02F9/2275 , F16L37/28 , F16L39/00 , Y10T137/7837 , Y10T137/87161 , Y10T137/87241
摘要： There is described a hydraulic connection assembly with a pressure discharge control, which is positionable between an onboard hydraulic circuit of an engineering vehicle and a removable hydraulic equipment. The hydraulic assembly comprises a one-piece body (1, 51) attachable to the outside of the hydraulic machine near the hydraulic equipment and provided with at least one input hydraulic linkage (4, 5; 52) connectable to a pressure line of the hydraulic circuit of the vehicle, at least one coupling (7, 8; 54) suitable for the connection with a feeding input of a removable equipment and a pressure discharge hydraulic linkage (6; 53) connectable to a draining line, at least one normally closed discharge valve (21, 22; 55) positioned between said linkage (4, 5; 52) to a pressure line and said linkage (6; 53) to a draining line and a pressure discharge control (35; 56) operable so as to cause the opening of said at least one normally closed valve (21, 22; 55) for the connection of the above said pressure line to the draining line for discharging the pressure existing in the hydraulic circuit of the vehicle. The discharge valve (21, 22; 55) is of the sliding piston type (31) and the pressure discharge control (35; 56) is formed by a lever (35) rotatable around a transversal axis (36) between a stable resting position and a working position in which a side (37) of said lever (35) exerts an axial thrust on said sliding piston (31) for the opening control of said valve (21, 22; 55).
摘要翻译：描述了具有压力释放控制的液压连接组件，其可以在工程车辆的车载液压回路和可移除的液压设备之间定位。液压组件包括一个可连接在液压设备附近的液压机外部的一体式的本体（1,51），并且设置有至少一个输入液压联动装置（4,5; 52），可连接到液压至少一个适于与可拆卸设备的进料输入连接的联接器（7,8; 54）和可连接到排水管线的压力释放液压联动装置（6; 53），至少一个常闭位于所述连杆机构（4,55）与压力管线之间的排出阀（21,22; 55）和所述连杆机构（6; 53）到排水管路和压力排放控制器（35; 56）导致所述至少一个常闭阀（21,22; 55）的打开，用于将上述压力管线连接到用于排放存在于车辆的液压回路中的压力的排水管线。排出阀（21,22; 55）为滑动活塞式（31），压力释放控制装置（35; 56）由杠杆（35）形成，杠杆（35）可围绕横向轴线（36）转动，以及所述杠杆（35）的一侧（37）在所述滑动活塞（31）上施加轴向推力以用于所述阀（21,22; 55）的打开控制的工作位置。

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