| 摘要 |
PURPOSE: A hoisting gear for a water gate, which increases a water gate using a rack bar and a pinion is provided to control an operation unit and a manual steering wheel. CONSTITUTION: A hoisting gear for a water gate comprises a housing(10), a manual power generation unit(110), a first key unit(120), a manual power transmission unit(210), an electric power generation unit(220), an electric power transmission unit, a manual/electric conversion unit(420), a deceleration unit, a water gate elevating unit, a weight drop conversion unit, an operation unit and a second key unit. |
