珠峰高程测量峰顶重力测量仪的选型及改进  

The selection and improvement of gravity measuring instrument for the height measurement of Mount Qomolangma

作　　者：何志堂 秦佩 任秀波 王斌 康胜军 黄海潮 薛振海 HE Zhitang;QIN Pei;REN Xiubo;WANG Bin;KANG Shengjun;HUANG Haichao;XUE Zhenhai(The first geodetic Surveying Brigade of MNR,Xi’an 710054,China;Beijing Aodi Detection Instruments Co.,Ltd,Beijing 100015,China)

机构地区：[1]自然资源部第一大地测量队,西安710054 [2]北京奥地探测仪器有限公司,北京100015

出　　处：《地质装备》2024年第3期18-25,共8页Equipment for Geotechnical Engineering

摘　　要：主要阐述了珠穆朗玛峰峰顶重力测量重力仪的选型、改进和野外试验。根据珠峰重力测量的环境条件和技术要求制定了仪器选型和参数指标要求,对备选相对重力仪的对应指标参数进行分析,决定采用Z2020相对重力仪。针对Z2020相对重力仪的具体参数和硬件实际情况,结合珠峰地区恶劣的自然环境,对其计数器传动系统、光学照明系统、测程调节系统、传动系统进行了改进,并进行了低温测试、野外性能试验。实验结果表明,改进后的Z2020相对重力仪满足峰顶重力测量的技术要求。珠穆朗玛峰峰顶重力测量实施结果表明:改进后的Z2020相对重力仪操作方便,性能稳定,成果可靠,提高了在珠穆朗玛峰峰顶重力测量实际环境中的适应性,确保了任务的技术要求和工程实现。This paper mainly elaborates on the selection,improvement and field experiments of gravity measurement instrument for the summit of Mount Qomolangma.Based on the environmental conditions and technical requirements of gravity measurement on Mount Qomolangma,the requirements for instrument selection and parameter indicators were developed.After analyzing the corresponding indicator parameters of alternative relative gravimeters,it was decided to use the Z2020 relative gravimeter.Based on the specific parameters and actual hardware situation of the Z2020 relative gravimeter,combined with the harsh natural environment in Mount Qomolangma area,improvements were made to its counter drive system,optical lighting system,range adjustment system and transmission system,low temperature testing and field performance testing were also conducted.The experimental results show that the improved Z2020 relative gravimeter can meet the technical requirements for peak gravity measurement.The implementation results of gravity measurement at the summit of Mount Qomolangma show that the improved Z2020 relative gravity meter is easy to operate,stable in performance and reliable in results.It improves the adaptability in the actual environment of gravity measurement at the summit of Mount Qomolangma,and ensure the technical requirements and engineering implementation of the task.

关 键 词：珠峰高程测量 重力测量 相对重力仪 

分 类 号：P631[天文地球—地质矿产勘探]