山东交通学院学报
山東交通學院學報
산동교통학원학보
JOURNAL OF SHANDONG JIAOTONG UNIVERSITY
2014年
3期
71-74,78
,共5页
液压缸布置型式%运动学分析%动力学分析%升降速度%液压缸推力
液壓缸佈置型式%運動學分析%動力學分析%升降速度%液壓缸推力
액압항포치형식%운동학분석%동역학분석%승강속도%액압항추력
layout pattern of hydraulic cylinder%kinematic analysis%dynamics analysis%lifting speed%thrust of hydraulic cylinder
利用速度瞬心法和虚位移原理分别对3种液压缸布置型式的剪叉式升降台进行运动学及动力学分析，得出液压缸活塞运动速度与升降台升降速度的关系式以及液压缸推（拉）力与升降载荷的关系式，并利用Matlab结合升降台实例对3种液压缸布置型式下的升降台升降速度及恒定载荷下的液压缸推（拉）力随升降高度的变化规律进行对比分析，为液压缸的选型及布置优化提供一定的理论依据。
利用速度瞬心法和虛位移原理分彆對3種液壓缸佈置型式的剪扠式升降檯進行運動學及動力學分析，得齣液壓缸活塞運動速度與升降檯升降速度的關繫式以及液壓缸推（拉）力與升降載荷的關繫式，併利用Matlab結閤升降檯實例對3種液壓缸佈置型式下的升降檯升降速度及恆定載荷下的液壓缸推（拉）力隨升降高度的變化規律進行對比分析，為液壓缸的選型及佈置優化提供一定的理論依據。
이용속도순심법화허위이원리분별대3충액압항포치형식적전차식승강태진행운동학급동역학분석，득출액압항활새운동속도여승강태승강속도적관계식이급액압항추（랍）력여승강재하적관계식，병이용Matlab결합승강태실례대3충액압항포치형식하적승강태승강속도급항정재하하적액압항추（랍）력수승강고도적변화규률진행대비분석，위액압항적선형급포치우화제공일정적이론의거。
In this article , the kinematics and dynamics analysis on the scissors lifting platform with 3 types of hydraulic cylinder layout patterns is conducted respectively by using the method of instantaneous velocity center and the principle of virtual displacement , from which the relation between the speed of hydraulic cylinder piston and the speed of lifting platform as well as that between the thrust of hydraulic cylinder and the lifting load is generated .Then the laws how the lifting speed and the thrust under the constant lifting load change with the lifting height changes of the scissors lifting platform with 3 types of hydraulic cylinder arranging patterns are analyzed correspondingly by using Matlab with an example , which provides some theoretical basis for the selection and layout optimization of the hydraulic cylinder .
