簧丝为矩形截面的圆柱形螺旋弹簧的稳定性_曲焱.pdf

3 4 1 哈 尔 滨 工 业 大 学 学 报 Vol. 34 No. 1 2 0 0 2 2 Journal of Harbin Institute of Technology Feb., 200 2 曲焱 , 张桂莲 ( 哈尔滨工业大学 航天学院, 黑龙江 哈尔滨 150001) : , , , . ; , . : ; ; : TH135, O343. 9 : A : 0367-6234( 2002) 01-0113-03 Stabili ty of column screw spring with rectangle section reed thread QU Yan-zhe, ZHANG G -i lian ( School of Astrona tics, Harbin Inst it te of Technology, Harbin 150001, China) Abstract: The transverse lost stability abo t the pressing screw spring is very important. There are many classic res lts abo t the stability of col mn screw spring with circle section b t few reports can be gotten w hich col mn screw spring w ith rectangle section lost stability. Critical conditions have been established for the lateral fail re of col mn screw spring w ith reed thread rectangle section sing the comparative rigidity theory w ith the sheering force effect taken into consideration. M any meaningf l res lts have been gotten nder the critical conditions for col mn screw spring w ith reed thread col mn section small rising ange. Key words: spring; stability; critical conditions : AB , , ; L ; L , ; , . , , L / L 0 , . A= A L / L , B = B L / L . ( 2) 0 0 0 0 , , : AB L 0 0 , , . ( 2