A kind of trench plow construction of what is closed in this creation system,It is equipped with a frame body,The frame body to the colter for having plural number,The system, Hou side of the frame body is equipped with two the first opposite fixed parts again,The first fixed part system is respectively equipped with one first fixation hole,The front system of the another frame body is equipped with a linking part； First fixed part of one fixed what frame body of rolling cage system,The rolling cage is equipped with complex root and flattens bar,Two side-line of rolling cage is equipped with two its opposite first fixed link again,For stretching through in what first fixation hole,The elastic element of at least more than one is arranged in what first fixed link again,The work used for while what farmland is ploughed a field and being flattened.本創作係關於一種深耕犁構造，其係設有一架體，該架體向下設有複數之犁刀，又該架體的後方係設有二相對的第一固定部，該第一固定部係分別設有一第一固定孔，另該架體的前方係設有一連結部；一滾籠係固定於該架體之第一固定部，該滾籠上設有複數根整平桿，又該滾籠二側係設有二相對之第一固定桿，以供穿伸於該第一固定孔內，又於該第一固定桿上套設有至少一個以上之彈性元件，藉以可供同時對於農地進行犁田及整平之工作。
