| 摘要 |
A rotary water gate for preventing bending is provided to be stably rotated at the same location by guiding the rotary water gate with a guide ring or guide member. In a rotary water gate(20) for preventing bending, guide rings(30) having guide projections(31) formed in the series is fixed on the bottom of a waterway(11) at regular intervals. The center of each guide ring is arranged identically with the center of a rotation axis(23) of the water gate. Guide grooves(24) in which the guide projection of the guide ring is inserted and slided are formed consecutively formed in the corresponding position of the guide projection. |
