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工程设计学报
工程设计学报  2017, Vol. 24 Issue (5): 595-600    DOI: 10.3785/j.issn.1006-754X.2017.05.015
整机和系统设计     
采煤机液压拉杠力学检测系统研究
张强1,2,3, 吴泽光1, 周曰勇1,4, 吴泽洋5, 李立莹1
1. 辽宁工程技术大学 机械工程学院, 辽宁 阜新 123000;
2. 大连理工大学 工业装备结构分析国家重点实验室, 辽宁 大连 116023;
3. 四川理工学院 材料腐蚀与防护四川省重点实验室, 四川 自贡 643000;
4. 越南鸿基煤炭公司, 广宁 夏龙 100000;
5. 浙江双良汽车零部件有限公司, 浙江 丽水 323000
Research on mechanical detecting system of hydraulic rod on shearer
ZHANG Qiang1,2,3, WU Ze-guang1, CHU Viet Dung1,4, WU Ze-yang5, LI Li-ying1
1. College of Mechanical Engineering, Liaoning Technical University, Fuxin 123000, China;
2. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116023, China;
3. Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science & Engineering, Zigong 643000, China;
4. Cong Ty Than Hon Gai, Ha Long, Quang Ninh 100000, Viet Nam;
5. Zhejiang Shuangliang Auto Parts Co., Ltd., Lishui 323000, China
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摘要：

为了研究复杂工况下采煤机液压拉杠的力学特性，采用液压拉杠固定垫片处设置压力环传感器的方法，对不同截煤工况下采煤机液压拉杠的拉力变化进行实时在线检测，采用无线信号收发模块实现检测数据的实时传输。实验表明：液压拉杠所受拉力的大小及波动与其位置和采煤机截煤工况均有关，其中位于煤壁侧上处的拉力最大，采空侧下处的载荷波动最剧烈；斜切进刀过程中，采空侧下、采空侧上、煤壁侧下和煤壁侧上等4处液压拉杠的最大拉力分别为495.345，379.85，493.294，539.33 kN。研究结果为液压拉杠的设计优化提供重要依据。
关键词： 采煤机;  液压拉杠;  力学特性;  压力环传感器;  斜切进刀    
Abstract:

To study the mechanical property of hydraulic rods on shearer under complex working-conditions, an experimental platform used to analyse the mechanical properties of the isometric shearer was built. By the method of pressure ring sensors replacing shims, the real-time online detection of pull tension change of hydraulic rods on shearer under the different cutting condition was carried out, and the signal was transmitted online by wireless signal launcher. The results of the experiment indicated that the force was relevant to both hydraulic rod's location and shearer's working conditions, with the maximum tensile in the upper coal wall side and the most severe load fluctuation in the low goaf side, and that four groups of average traction force under the condition of oblique cutting, which provided important basis for the design optimization of hydraulic rods, were as follows:in the low and upper goaf side were 495.345 kN and 379.85 kN, and in the low and upper coal wall side were 493.294 kN and 539.33 kN. The research results provide an important basis for the optimization design of hydraulic pull rod.
Key words: shearer    hydraulic rod    mechanical property    pressure ring sensor    oblique cutting
收稿日期: 2015-12-17 出版日期: 2017-10-28
CLC:  TH122  
基金资助:

国家自然科学基金资助项目（51504121）；工业装备结构分析重点实验室开放基金资助项目（GZ1402）；材料腐蚀与防护四川省重点实验室开放基金资助项目（2014CL18）；辽宁"百千万人才工程"培养经费资助项目（2014921070）；中煤集团重点科技项目（13-8）
作者简介: 张强(1980-),男,辽宁岫岩人,教授,博士生导师,博士,从事矿山机械动态设计及监测技术研究,E-mail:lgdjx042@126.com,http://orcid.org/0000-0003-1322-4794
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引用本文:

张强, 吴泽光, 周曰勇, 吴泽洋, 李立莹. 采煤机液压拉杠力学检测系统研究[J]. 工程设计学报, 2017, 24(5): 595-600.

ZHANG Qiang, WU Ze-guang, CHU Viet Dung, WU Ze-yang, LI Li-ying. Research on mechanical detecting system of hydraulic rod on shearer[J]. Chinese Journal of Engineering Design, 2017, 24(5): 595-600.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2017.05.015    或    https://www.zjujournals.com/gcsjxb/CN/Y2017/V24/I5/595

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