基于激光三角测量的射流式液动潜孔锤全行程实时运动规律试验

doi:10.13278/j.cnki.jjuese.20190046

吉林大学学报(地球科学版) ›› 2021, Vol. 51 ›› Issue (1): 185-191.doi: 10.13278/j.cnki.jjuese.20190046

• 地质工程与环境工程 • 上一篇

基于激光三角测量的射流式液动潜孔锤全行程实时运动规律试验

李国琳¹, 葛东², 杨正龙², 张广², 彭枧明²

1. 长春大学计算机科学技术学院, 长春 130022;
2. 吉林大学建设工程学院, 长春 130026

收稿日期:2019-03-09 发布日期:2021-02-02
作者简介:李国琳(1976-),女,讲师,主要从事数值模拟分析技术在地质工程中的应用研究,E-mail:413338359@qq.com
基金资助:
国土资源部公益性行业科研专项项目（201311112）

Experiment of Real-Time Motion Law of Fluidic Hammer in Full Stroke Based on Laser Triangulation

Li Guolin¹, Ge Dong², Yang Zhenglong², Zhang Guang², Peng Jianming²

1. College of Computer Science and Technology, Changchun University, Changchun 130022, China;
2. College of Construction Engineering, Jilin University, Changchun 130026, China

Received:2019-03-09 Published:2021-02-02
Supported by:
Supported by the Public Science and Technology Research Funds Projects of Ministry of Land and Resources of China (201311112)

摘要/Abstract

摘要： 为解决现有霍尔元件测量系统存在的不足，根据全行程测量数据获取及实时观测的实际需求，研制开发了基于激光三角测量原理的射流式液动潜孔锤激光测量系统。使用该系统对SC-86H型高能射流式液动潜孔锤进行了相关试验，并获得了冲锤的全行程时间分辨数据。通过对试验数据进行处理，得到了冲锤运动的位移-时间和速度-时间关系。结果表明，冲锤的不规则运动发生在周期的回程初始阶段，此不稳定状态增加了冲锤的回程时间，相应地降低了冲锤的冲击频率。冲锤的实际缓冲行程对泵量并不敏感，当泵量从80 L/min增加到220 L/min时，实际缓冲行程仅在5.9~6.8 mm之间变化；实际行程的改变也不会大幅增加冲锤实际缓冲行程，随着冲锤结构行程增加57%（70~110 mm），缓冲行程只增加了7%。该系统可实现全行程测量，并描述实时运动状态。

关键词: 射流式液动锤, 激光测量系统, 运动规律

Abstract: In order to solve the problem of short measuring distance of the existing Hall element measuring system, the full stroke measuring system based on the principle of laser triangulation was developed. This system can provide full scale measurement and real-time observation. The SC-86H fluidic hammer was used to carry out the related tests, and the full stroke data were obtained. The displacement-time curve and velocity-time curve of the fluidic hammer were obtained through analyzing the experimental data, which provided vital insights into the working features of the impact body. The results show that the irregular movement occurs in the initial stage of the return stroke. This unstable state improves the cycle time, and accordingly reduces the impact frequency. The actual damping stroke is not sensitive to the pump volume,when the pump volume increases from 80 L/min to 220 L/min, the actual damping stroke varies only from 5.9 mm to 6.8 mm. The actual stroke will slightly increase the actual damping stroke,as demenstrated in the test,the actual damping stroke only increased by 7% when the structure stroke increased by 57% (70-110 mm).The experiment shows that this system can measure the whole stroke of the hammer and record the movement state of the hammer in real time.

Key words: fluidic hammer, laser measuring system, motion mechanism

中图分类号:

TE242

李国琳, 葛东, 杨正龙, 张广, 彭枧明. 基于激光三角测量的射流式液动潜孔锤全行程实时运动规律试验[J]. 吉林大学学报(地球科学版), 2021, 51(1): 185-191.

Li Guolin, Ge Dong, Yang Zhenglong, Zhang Guang, Peng Jianming. Experiment of Real-Time Motion Law of Fluidic Hammer in Full Stroke Based on Laser Triangulation[J]. Journal of Jilin University(Earth Science Edition), 2021, 51(1): 185-191.

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基于激光三角测量的射流式液动潜孔锤全行程实时运动规律试验

Experiment of Real-Time Motion Law of Fluidic Hammer in Full Stroke Based on Laser Triangulation

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