| 摘要 |
The four-way three-position hydraulic distributor comprises: an inlet opening (3), predisposed to connect with a pressurised operating fluid source; a discharge opening (4), predisposed for connecting with a tank or a low-pressure environment; a first opening (5), predisposed to connect with a first connection (50) of an actuator (100) or a first actuator; a second opening (6), predisposed to connect with a second connection (60) of the actuator (100) or with a second actuator; a control spool (7), mobile between a central position, in which the inlet opening (3) is closed, a first position, in which the inlet opening (3) is set in communication with the first opening (5) and the second opening (6) is set in communication with the discharge opening (4), and a second position, in which the inlet opening (3) is set in communication with the second opening (6) and the first opening (5) is set in communication with the discharge opening (4); a flow-rate compensator (8), interposed between the inlet opening (3) and the first opening (5) or the second opening (6) respectively in the first position or the second position of the control spool (7); a first intermediate conduit (9), which connects the inlet opening (3) with the compensator (8) in the first position of the control spool (7), and a second intermediate conduit (10), which connects the inlet opening (3) with the compensator (8) in the second position of the control spool (7). |
