Structure surface flatness detection device

The utility model discloses a structure surface flatness detection device, which comprises a transparent box body with the length of Lm, N test needle rods equally dividing the transparent box body ofLm are arranged in the transparent box body, and the transparent box body is internally provided with a connecting wire positioned in a threading hole at the upper end of each test needle rod; the flatness limiting value laser marked lines are arranged in the transparent box body; and the hand-held part is provided with a brake component for adjusting the tightness of the connecting wire. The device has the advantages that the detection result is vivid and accurate, two instruments and two operators are omitted for cooperative operation, errors are reduced, the device is light and handy, timeand labor are saved, and the device is suitable for flatness detection of all wall and ground top surfaces and various decorative surfaces. 本实用新型公开了一种结构表面平整度检测装置，其包括：长度为Lm的透明盒体，其内设将Lm透明盒体等分的N颗测试针杆，所述透明盒体内设置有位于测试针杆上端穿线孔的连线；设置于