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What Instrument Is A Gyro Theodolite?

Gyroscopic theodolite, is a gyroscope and theodolite through the connecting mechanism for the determination of true north azimuth of the instrument.

Gyroscopic theodolite, is a gyroscope and theodolite through the connecting mechanism for the determination of true north azimuth of the instrument.It USES the physical character of the gyroscope (fixed axis and precession), the metal belt hanging downward move of gyro sensitive to sensitive level of earth rotation angular velocity component, under the influence of gravity, produce a northward into the dynamic torque, make gyroscope spindle meridian plane reciprocating swing around the earth, so as to determine true north azimuth.Gyro theodolite is widely used in mine surveying, engineering surveying and military surveying, and is also an important supporting equipment for radar antenna orientation, UAV flight orientation, artillery and long-range weapon launch orientation.

The gyro theodolite consists of a gyroscope and a theodolite.The theodolite was invented by the British in 1730. After a long process of the metal theodolite, it was developed into an optical theodolite in the 1920s, and has entered the stage of electronic theodolite since the 1960s. Now it is quite advanced and developing towards the direction of intelligence.Gyroscope is the main body of gyro theodolite, leading the development process of the whole machine.

According to orientation accuracy, gyro theodolites can be divided into engineering class (orientation accuracy beyond 10 “) and precision class (orientation accuracy within 10 “).Orientation principle in addition to the British and American once used the speed type, generally with pendulum type.The gyroscope and theodolite are used as a whole, and there are two types of combination: downhanging type and upper frame type.Downhanging instruments were developed in the 1950s, and almost all precision grade and highly automated instruments belong to this class.

 

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