4results about "Artificial horizons" patented technology

The application relates to a horizontal measuring instrument for surveying and a measuring method, and belongs to the technical field of horizontal measuring instruments. The horizontal measuring instrument comprises a mounting platform, the top of the mounting platform is fixedly connected with a first mounting frame, the side wall of the first mounting frame is fixedly connected with a first rotating shaft, the outer wall of the first rotating shaft is rotationally connected with a second connecting frame, the top of the mounting platform is provided with a spherical groove, the side wall of the second connecting frame is provided with a leveling mechanism, the leveling mechanism can quickly level and lock the measuring instrument during measurement, the inner wall of the spherical groove is provided with a protection mechanism, the protection mechanism can automatically protect the measuring instrument when the equipment is tilted and falls, the horizontal measuring instrument is horizontally and longitudinally balanced through the gravity of a pull rope and a leveling ball, the rotating shaft is locked by loosening a pull handle, leveling is completed, the measuring precision is ensured, the horizontal frame can be quickly unlocked by pulling, the leveling work of the horizontal measuring instrument can be quickly performed, and the work efficiency is improved.

A portable retaining wall verticality detection device, the retaining wall verticality detection device technical field, including: base assembly, fixed unit and detection ruler, a plurality of fixed units are fixed on the base assembly, the detection ruler is provided as a plurality, every two detection rulers are connected through bolt one at opposite ends, wherein one of the detection rulers is connected with the base assembly through bolt two. The problem of long time holding the level ruler by the construction personnel for detection, time consuming and laborious, and easy to cause fatigue by holding the level ruler for a long time can be solved.