Datable novel L-shaped box

The utility model discloses a detachable novel L-shaped box, comprising a vertical box body and a horizontal box body, wherein both the vertical and horizontal box bodies are connected with a detachable horizontal trough; scales are respectively formed on the lateral surfaces of the vertical box body, the horizontal box body and the horizontal trough; the vertical box body is 0.5-1m high, 0.2-0.5m wide and 0.15-0.3m thick; the horizontal box body and the horizontal trough are 1.2-2.5m long in total, 0.2-0.5m wide and 0.1-0.3m high; and a line shelf is movably connected to the space above the horizontal trough and is provided with at least two connecting holes, steel bars extending to the bottom of the horizontal trough are arranged in the connecting holes, and movable doors connected by sliding door grooves are further arranged at the joint of the horizontal box body and the horizontal trough and the tail end of the horizontal trough. The detachable novel L-shaped box can be used for quantifying key evaluation indexes and evaluating the working performance of flowing concrete comprehensively and accurately, is easy to popularize and use in practice, and has the advantages of wide applicability, easiness in operation, high accuracy, cost reduction and the like.