Manual steering wheel of boats and ships is with novel plunger type auto -lock manual pump

The utility model belongs to the technical field of hydraulic drive, a manual steering wheel of boats and ships is with novel plunger type auto -lock manual pump is related to, include: casing, mounting flange, transmission shaft, plunger case, join in marriage food tray and hydraulic pressure locking device, mounting flange with the casing bottom links to each other and forms the oil pocket, theplunger case along vertical direction set up in in the oil pocket and with the oil pocket is linked together, just the plunger case with the transmission shaft links to each other, makes the transmission shaft drives the plunger case rotates, the top of hydraulic pressure locking device with mounting flange's bottom links to each other, the hydraulic pressure locking device includes: double - direction hydraulic - clock and two hydraulic fluid ports, double - direction hydraulic - clock transversely set up in the inside of hydraulic pressure locking device, just the last port of two oil pockets of double - direction h