Open channel current surveying system

The utility model discloses an open channel current surveying system, including setting up the spatial grid structure on the crane span structure, be equipped with the I-steel track below, electronic dolly on the I-steel track, and the back of electronic dolly is equipped with driven dolly, connects through the current surveying storehouse between electronic dolly and driven dolly, and current surveying storehouse in-connection has a hoist engine of vertical direction, has the couple under the hoist engine, is connecting measuring fish lead below the couple, and fish lead the place ahead is connected with the current meter. The utility model has the characteristics of convenient operation, high, the labour saving and time saving of rate of accuracy, be fit for popularizing and applying.