Device for improving positioning precision of marine surveying and mapping

Abstract

The invention belongs to the technical field of marine surveying and mapping, and particularly relates to a device for improving marine surveying and mapping positioning accuracy, which comprises a movable cover and a buoyancy plate, the outer side of the top of the movable cover is sleeved with the buoyancy plate, a rotating shaft is driven to rotate through integral sinking of a sinking cover under the cooperation of a chain, and a second spring is arranged on one side of a fixed box. The first belt wheel is driven to rotate under the rotation cooperation of the rotating shaft, the silk thread can be released, the distance between the limiting ball and the fixing box can be enlarged under the cooperation of the second spring, an antenna is arranged in the silk thread in a penetrating mode, the signal transmitting interval can be enlarged, the signal source can be improved, the positioning feedback capability can be improved, and precise positioning can be achieved in an auxiliary mode. The warning tape between every two adjacent swing rods is expanded in a matched mode, under the cooperation of the multiple swing rods and the warning tapes, the top of the limiting cylinder is opened and closed in an umbrella shape, the recognition area can be enlarged, the recognition capacity can be improved, cruise positioning can be facilitated, and positioning is more accurate.

Description

technical field [0001] The invention belongs to the technical field of marine surveying and mapping, in particular to a device for improving the positioning accuracy of marine surveying and mapping. Background technique [0002] The surveying and nautical chart preparation for marine water bodies and the seabed, mainly including hydrographic survey, marine geodetic survey, seabed topographic survey, marine thematic survey, as well as nautical charts, seabed topographic maps, various marine thematic maps and ocean atlases etc. preparation; [0003] There are also some technical solutions about marine surveying and mapping in the prior art. For example, a Chinese patent with a bulletin number of CN 213879541 U discloses a device for improving the positioning accuracy of marine surveying and mapping, which relates to the technical field of marine surveying and mapping, including fixed The bottom plate, the movable bottom plate is located above the fixed bottom plate, a first T...

AI Technical Summary

Problems solved by technology

[0006] In order to make up for the shortcomings of the existing technology and solve the problem that the existing calibration device cannot adjust its own expansion area, and the receiving and reflecting area of ​​the signal is limited, which affects the positioning accuracy, a method for improving the positioning accuracy of marine surveying and mapping is proposed in the present invention. device

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