Detection ruler for engineering project

The utility model discloses a detection ruler for engineering projects, which comprises a first guiding rule, an angle adjusting mechanism is arranged on the outer surface of one side of the first guiding rule, a second guiding rule is arranged at the rear end of the angle adjusting mechanism, and measuring mechanisms are arranged on the outer surfaces of the upper ends of the first guiding rule and the second guiding rule. The angle adjusting mechanism comprises a reading meter, a rotating groove and a rotating block, the measuring mechanism comprises a moving block, a limiting block, a first limiting groove, a first moving groove, a pulling plate, a scale mark, a second moving groove, a mark plate, a connecting rod, a rolling wheel, a limiting rod, a second limiting groove, a moving wheel, a spring, a guide rod and a guide groove, and the rotating groove is formed in the outer surface of one side of the first guiding rule. According to the detection ruler for the engineering project, the angle can be detect