机床与液压
機床與液壓
궤상여액압
MACHINE TOOL & HYDRAULICS
2014年
1期
91-93
,共3页
油气阻尼器%特性仿真%试验
油氣阻尼器%特性倣真%試驗
유기조니기%특성방진%시험
Air damper%Behaviors simulation%Test
为准确描述某型山地牵引车减振器力学特性,建立了其单筒储气液力减振器的完整数学模型,得到了该型减振器的速度特性与示功特性,仿真结果与试验结果基本吻合。基于此模型讨论减振器关键参数对其外特性的影响,发现阀口直径、振动速度、充气气压等因素对减振器外特性影响较大。储气液力减振器可适应较高振动速度,具有良好的阻尼特性,适用于工况复杂的山地牵引车。
為準確描述某型山地牽引車減振器力學特性,建立瞭其單筒儲氣液力減振器的完整數學模型,得到瞭該型減振器的速度特性與示功特性,倣真結果與試驗結果基本吻閤。基于此模型討論減振器關鍵參數對其外特性的影響,髮現閥口直徑、振動速度、充氣氣壓等因素對減振器外特性影響較大。儲氣液力減振器可適應較高振動速度,具有良好的阻尼特性,適用于工況複雜的山地牽引車。
위준학묘술모형산지견인차감진기역학특성,건립료기단통저기액력감진기적완정수학모형,득도료해형감진기적속도특성여시공특성,방진결과여시험결과기본문합。기우차모형토론감진기관건삼수대기외특성적영향,발현벌구직경、진동속도、충기기압등인소대감진기외특성영향교대。저기액력감진기가괄응교고진동속도,구유량호적조니특성,괄용우공황복잡적산지견인차。
In order to describe the behaviors of hydraulic damper with single tube on mountain agricultural tractor,the physical model of the damper was built based on fluid dynamics. Both of the velocity behavior and displacement behavior were obtained. The simulation diaphragm conformed well with the test results. The discussion about influences of the key parameters on performance was presented. The conclusion is that valve diameter,velocity and air pressure are crucial to the damper. Hydraulic damper with single tube can adapt to high vibration velocity,which is suitable for mountain agricultural tractor.