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A northbound reference device for self-verification

A reference device and basic technology, applied to measurement devices, instruments, etc., can solve the problems of decreased accuracy, time-consuming and laborious detection, and the inability of the northbound calibration device to verify itself, so as to avoid misoperation.

Active Publication Date: 2021-03-26
PLA 92493 TROOP METERING TEST CENT
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the existing northward calibration device cannot be verified by itself, and the gyro theodolite without collimation needs to be equipped with special tooling or lead out through theodolite to cause time-consuming and laborious detection and a decrease in accuracy, the present invention proposes a self-verified northward reference device

Method used

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  • A northbound reference device for self-verification
  • A northbound reference device for self-verification

Examples

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Embodiment Construction

[0018] As shown in the figure, a pair of distributed north-facing bases 1 are arranged on the base plane, and parallel light pipes 5 are installed on the distributed north-facing bases through the parallel light-pipe adjustment mechanism 2, and between the two distributed north-facing bases There is a reference plane mirror adjustment mechanism 3 and a gyro theodolite installation and adjustment base 4;

[0019] The parallel light pipe is installed on the pitch adjustment plate 7 through the installation snap ring 6, and a pitch adjustment ball head thread 8 is arranged at the lower part of the pitch adjustment plate, and the pitch adjustment ball head thread and the ball head seat 9 on the yaw adjustment plate 10 are provided. It is connected with the pitch adjustment shaft male seat 14 and the pitch adjustment shaft female seat 15, a pin shaft 13 is arranged on the yaw adjustment plate, and is connected with the displacement adjustment plate 11, and a base plate 12 is arrange...

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Abstract

The invention provides a north orientation reference device for self calibrating. A pair of distributed north orientation foundation seats are arranged on a foundation plane; collimators are mounted on the distributed north orientation foundation seats through a collimator adjusting mechanism; a reference plane mirror adjusting mechanism and a gyro theodolite mounting adjusting seat are arranged between the two distributed north orientation foundation seats. As the north orientation reference device adopts the reference plane mirror adjusting mechanism as a main north orientation reference, and adopts the center of an infinite target cross reticle produced through the two symmetrically distributed collimators as an auxiliary north orientation reference, in combination with the gyro theodolite mounting adjusting seat, the north orientation reference device can not only realize calibration of different models of gyro theodolites, but also realize mutual calibration of the north orientation references through the mutual comparison of the numerical values of the main reference and the auxiliary reference during north orientation measurement, and effectively avoids north orientation reference movement caused by misoperation and possible foundation deformation. The north orientation reference device is suitable for serving as a north orientation reference device for self calibrating.

Description

technical field [0001] The north reference device in the measurement field proposed by the present invention is mainly applied to the north direction calibration of the north direction orienting device of the gyro theodolite. Specifically, it is a self-verified northbound reference device. Background technique [0002] The gyro theodolite is an instrument that uses the principle of inertia to find the north autonomously. Gyro theodolite is a precision instrument composed of gyroscope and theodolite. It has both orientation and angle measurement functions. According to the principle of gyroscope, it can automatically find and track the geographic north direction according to the north component of the angular velocity of the earth's rotation, and can accurately measure the north direction. The azimuth of the ground point. Compared with the traditional northbound gyro compass and magnetic compass, it has the advantages of all-weather, strong maneuverability, high autonomous ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C25/00
CPCG01C25/005
Inventor 付永杰才滢闫道广孙安斌于蒙阮滨
Owner PLA 92493 TROOP METERING TEST CENT
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