一种除屋檐冰棱机的结构设计及动力学特性分析
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摘要
设计一种除屋檐冰棱机,由主运动的偏置曲柄滑块机构、控制升降的"X"型杆机构组成。根据给定行程速比系数K、偏距e、滑块行程H设计偏置的曲柄滑块机构,得出运动尺寸,即曲柄长度a和连杆长度b。分析主运动机构的运动特性,判断行程速比系数为K、速度波动是否满足条件,分析主运动机构的等效动力学模型,得出等效构件曲柄的等效力矩和等效转动惯量。
Designed in addition to the eaves ice machine, it consists of an offset crank mechanism with main motion and an "X" rod mechanism that controls lifting. According to the crank stroke mechanism designed to give a stroke ratio coefficient K, offset e, and stroke H, the motion size, that is, the crank length a and the link length b are obtained. Analyze the motion characteristics of the main motion mechanism, and determine whether the speed ratio coefficient is K and whether the speed fluctuation meets the condition. The equivalent dynamic model of the main motion mechanism is analyzed, and the equivalent moment and equivalent moment of inertia of the equivalent component crank are obtained.
Designed in addition to the eaves ice machine, it consists of an offset crank mechanism with main motion and an "X" rod mechanism that controls lifting. According to the crank stroke mechanism designed to give a stroke ratio coefficient K, offset e, and stroke H, the motion size, that is, the crank length a and the link length b are obtained. Analyze the motion characteristics of the main motion mechanism, and determine whether the speed ratio coefficient is K and whether the speed fluctuation meets the condition. The equivalent dynamic model of the main motion mechanism is analyzed, and the equivalent moment and equivalent moment of inertia of the equivalent component crank are obtained.
引文
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[2]魏书宁,王耀南,印峰,等.高压输电线路除冰机器人的除冰机构设计[J].中国机械工程,2012,23(7):771-776.
[3]张莹,姜存学.高压电线除冰机控制系统的设计[J].现代机械,2016(2):91-94.
[4]朱自成,张学军,王强,等.路面复合除冰机的热力射流系统的设计与试验研究[J].中国农机化学报,2015,36(1):54-58.
[5] Toussaint K, Pouliot N, Montambault S. Transmissionline maintenance robots capable of crossing obstacles:state of the art review and challenges ahead[J]. Journal of Field Robotics,2009,26(5):477-499.
[6]郑文纬,吴克坚.机械原理[M].第七版.北京:高等教育出版社,1997.
[7]施昱,叶伟,王庆海,等.基于偏距设计偏置曲柄滑块机构[J].机械设计,2018,35(3):97-100.
[8]李滨城,徐超.机械原理MATLAB辅助设计[M].北京:化学工业出版社,2012.
[9]孙恒,陈作模,葛文杰.机械原理[M].第八版.北京:高等教育出版社,2013.