Guiding device for assisting in digging water channel

The invention relates to the technical field of canal excavation, in particular to a guide device for assisting in canal excavation, which comprises three groups of guide frames capable of sliding on the canal wall along the canal excavation direction, and the three groups of guide frames are sequentially arranged along the canal excavation direction; the device further comprises a limiting unit and a positioning unit, the limiting unit can slidably penetrate through the two adjacent guide frames in the canal excavation direction, and the two ends of the positioning unit are telescopic and slidably penetrate through the two guide frames located on the edges in the canal excavation direction correspondingly. And the middle part of the positioning unit slidably penetrates through the guide frame in the middle along the excavation direction of the water channel. The digging efficiency of the water channel can be improved. 本申请涉及水渠挖掘的技术领域，尤其是涉及一种用于辅助挖掘水渠的导向装置，其包括三组可沿水渠开挖方向在水渠壁上滑动的导向架，三组导向架沿水渠开挖方向依次排布；还包括限位单元和定位单元，