三向地震模拟振动台静力平衡系统的设计与分析

DESIGN AND ANALYSIS FOR THE GRAVITY BALANCE SYSTEM OF 3-DIMENSION SEISMIC SIMULATION APPARATUS(TDSS)

我国自行研制的三向六自由度大型地震模拟振动台(以下简称三向台)采用蓄能器液压马达系统作为其重力平衡装置。用修正的滞弹性模型近似描述蓄能器液压马达系统是合理的。按照静态准则和动态准则设计该系统,确保系统能满足设计要求。本文并对蓄能器液压马达压力控制系统、启动特性和平衡特性进行了分析。

The accumulator-hydraulic motor system (AHMS) is employed to serve as the gravity balance system of the TDSS. It is feasible to describe the AHMS with modified Anelastic model[1]. In this paper the static criterion and the dynamic criterion to design the gravity balance system are presented and the starting characteristics and the balance characteristics are study and the simulation results are also given.