Experiment and analysis of movable weir for flow measurement indicate that the modular limit of movable weir is relatively high. And the accuracy of theoretical discharge calculated is satisfied.

通过对活动堰测流进行实验研究和理论分析，认为活动堰过流的淹没度限值高，理论计算流量精度满足测流要求。

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This invention provides a set of self-powered mechanical device, an auto-regulating movable weir-plate, a back-flushing buffer and lift-pull valve.

本发明提供一套自力式机械装置、自动调节活动堰板、反冲阻流器、提拉阀。

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