Inverted ruler frame capable of adjusting observation position of leveling staff

• Main Authors: DU WENZHAO, ZHANG HEKUN
• Format: Patent
• Language: Chinese; English
• Published: 13.08.2014
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TARIFF METERING APPARATUS; TESTING

The utility model relates to an inverted ruler frame capable of adjusting the observation position of a leveling staff. The inverted ruler frame comprises a main board, a fixation baffle, an adjustable baffle, a lantern ring and a high strength magnet. The main board is divided into a left disk and a right disk. The fixation baffle is located on one end of the right disk of the main board. The lantern ring is welded on the lower end of the left disk of the main board. The adjustable baffle is arranged on the main board between the fixation baffle and the lantern ring through a screw and a nut. The leveling staff is located between the adjustable baffle and the fixation baffle. The high strength magnet is arranged on the lower end of the right disk of the main board through a screw and a nut. According to the utility model, the provided inverted ruler frame capable of adjusting the observation position of the leveling staff solves the problem that the accuracy of a measurement result is difficultly ensured, wh