| 脱粒滚筒与纹杆间螺栓联接的设计计算 |
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| 引用本文： | 杨 芳,杜白石.脱粒滚筒与纹杆间螺栓联接的设计计算[J].西北农林科技大学学报(社会科学版),2000,28(6):154-157. |
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| 作者姓名： | 杨 芳 杜白石 |
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| 作者单位： | 西北农林科技大学,机械与电子工程学院,陕西,杨陵,西农校区,712100 |
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| 摘 要： | 指出了标准规定的螺栓联接扭紧力矩值不尽合理的问题 ,并从联合收割机上脱粒滚筒与纹杆间螺栓联接的受力分析和失效分析出发 ,提出了正确的设计计算方法。指出螺栓联接的扭紧力矩值不仅与螺栓的公称直径及性能等级有关 ,还与能否保证联接可靠工作有关。脱粒滚筒与纹杆间螺栓联接的扭紧力矩值应按保证工作时滚筒与纹杆间不发生滑移来确定。
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| 关 键 词： | 联合收割机 脱粒滚筒 螺纹联接 螺栓 扭紧力矩 |
A design calculation of bolting between threshing cylinder and rasp bar |
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| YANG Fang,DU Bai-shi.A design calculation of bolting between threshing cylinder and rasp bar[J].Journal of Northwest Sci-Tech Univ of Agr and,2000,28(6):154-157. |
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| Authors: | YANG Fang DU Bai-shi |
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| Institution: | (College of Mechanical and Electronics Engineering,Northwest Science and Technology University of Agriculture and Forestry,Yangling,Shaanxi 712100,China) |
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| Abstract: | The value of standardized tightening torque is unreasonable.Based on the analysis of force and failure about the bolting in threshing cylinder and rasp bar in combine,a design calculation method is given in this paper.The value of tightening torque is relative not only to the nominal diameter and quality class of the bolt,but also to the security of the threaded fastener.It is pointed out the value of tightening torque should guarantee that there is no slippage between cylinder and rasp bar when they work. |
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| Keywords: | combine threshing cylinder threaded fastener bolting tightening torque |
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