Positioning and paying-off tool for house building construction

The utility model discloses a positioning pay-off tool for house building construction. The positioning pay-off tool comprises a base, a pay-off vertical rod and a clamping vertical rod. The paying-off vertical rod and the clamping vertical rod are both in an L shape and are arranged on the base. The ends of the paying-off vertical rod and the clamping vertical rod are connected together; the base is in a flat plate shape. A wire wheel is arranged on the paying-off vertical rod, a threading cylinder is arranged over the wire wheel and connected with a dial, and the dial is connected to the paying-off vertical rod; and a bubble level is arranged on the clamping vertical rod. 本实用新型公开了一种房建施工的定位放线工具，包括底座、放线立杆和夹持立杆；所述放线立杆和夹持立杆均为L形，分别设置在底座上；所述放线立杆和夹持立杆的端头连接在一起；所述底座为平板状；放线立杆上设有线轮，线轮的正上方设有穿线筒，穿线筒与刻度盘连接，刻度盘连接设置在放线立杆上；夹持立杆上设有气泡水平仪。