| 摘要 |
PURPOSE: A long-span turnover type water gate opening/closing apparatus is provided to ensure stable and accurate opening/closing, convenient maintenance and improved durability. CONSTITUTION: A long-span turnover type water gate opening/closing apparatus comprises a long-span water gate body(11), a housing, a guide frame(21), a roller bracket(23), and a driving unit. The housing is laid in the ground under the water gate body. The guide frame is coaxially coupled with the rotary shaft of the water gate body and faces the housing. The roller bracket is located inside the housing to roll along a roller guide(21a) and erect and turn over the guide frame. The driving unit rotates the roller bracket. |
