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工程设计学报
工程设计学报  2016, Vol. 23 Issue (4): 345-351,363    DOI: 10.3785/j.issn.1006-754X.2016.04.008
建模、分析、优化和决策     
潜孔钻机单支腿支撑平台受力分析
赵宏强1,2, 周茂贤1, 陈庆1, 傅斯龙1
1. 中南大学 高性能复杂制造国家重点实验室, 湖南 长沙 410083;
2. 山河智能装备股份有限公司 国家级企业技术中心, 湖南 长沙 410100
The mechanical analysis for the platform of down-the-hole drill sustained by one outrigger
ZHAO Hong-qiang1,2, ZHOU Mao-xian1, CHEN Qing1, FU Si-long1
1. State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China;
2. National Enterprise R & D Center, Sunward Intelligence Equipment Co., Ltd., Changsha 410100, China
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摘要：

在潜孔钻机支撑平台结构设计时，存在工况考虑相对简单、忽视误操作导致极限工况等问题.为研究不同工况下平台的危险区域，详细地对潜孔钻机单支腿支撑的平台进行受力分析，确定正常和极限工况，基于力学平衡理论和变形相容条件，建立其力学模型，利用ANSYS对平台进行静力学有限元分析，得出各个工况下平台的最大应力、变形以及局部应力集中区域.结果表明：极限工况下，平台的最大应力、变形值均超过正常工况，且该结构大部分区域处于低应力状态，具有一定的静强度，符合工况的设计要求.研究结果为平台结构的优化提供参考.
关键词： 潜孔钻机;  平台;  力学分析;  有限元分析;  应力应变    
Abstract:

When the sustained platform of down-the-hole drill was designed, the working condition was simply considered and it was overlooked that wrong manipulation led to ultimate condition. In order to research the dangerous section of the platform under different working conditions, the platform of down-the-hole drill sustained by one outrigger was analyzed minutely in mechanism and normal and ultimate conditions were defined. A mechanical model was established based on theory of mechanical balance and deformation compatibility condition. The platform was analyzed in statics by using software ANSYS. The maximum stress value,the maximum deformation value and part stress concentration area of the platform under each condition were revealed. The results indicated that the maximum stress value and the maximum deformation value under ultimate condition were higher than normal condition. Besides, the most part of the platform was in low-stress condition and could find out excessive areas in strength and it met the demand of design under condition. It provides reference for the optimization and improving of the platform structure.
Key words: down-the-hole drill    platform    mechanism analysis    finite element analysis    stress and deformation
收稿日期: 2016-01-11 出版日期: 2016-08-28
CLC:  TD422  
基金资助:

国家自然科学基金资助项目（51375499）.
作者简介: 赵宏强(1969—),男,湖南邵阳人,副研究员,博士后,从事液压传动与控制、工程机械机电液一体化技术等研究,E-mail:zhaohq9922@sina.com.http://orcid.org//0000-0002-0420-7880
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引用本文:

赵宏强, 周茂贤, 陈庆, 傅斯龙. 潜孔钻机单支腿支撑平台受力分析[J]. 工程设计学报, 2016, 23(4): 345-351,363.

ZHAO Hong-qiang, ZHOU Mao-xian, CHEN Qing, FU Si-long. The mechanical analysis for the platform of down-the-hole drill sustained by one outrigger. Chinese Journal of Engineering Design, 2016, 23(4): 345-351,363.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2016.04.008    或    https://www.zjujournals.com/gcsjxb/CN/Y2016/V23/I4/345

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