一、前言目前在一些领域中,动态力测量发展较快,并取得一些进展。人们已经认识到用于动态测量的传感器及其测量系统仅通过静态标定是得不到可靠数据的,因而为保证动态测量的准确、可靠,必须确定其动态性能。落锤式冲击力装置是一种理想的力源,与标准冲击加速度计配合,组成动态力校准系统,可根据不同的要求以比较法进行力传感器的准静态校准、动态校准和各种动态性能测试。本文介绍的落锤式动态力校准系统,其力值为50kN～1MN;力值上升时间≥0.5ms;幅值误差±2.0％。二、主要结构和工作原理落锤式冲击力装置如图1所示,主要由砧子1、机座2、立柱标尺3、力传感器4、毡 I. Preface At present, in some fields, dynamic force measurement develops rapidly and some progress has been made. It has been recognized that sensors and their measurement systems used for dynamic measurement can not obtain reliable data only through static calibration. Therefore, in order to ensure the accurate and reliable dynamic measurement, the dynamic performance must be determined. The drop hammer impact device is an ideal force source, with the standard impact accelerometer to form a dynamic force calibration system, according to different requirements of the quasi-static force sensor calibration method, dynamic calibration and a variety of dynamic performance test. This article describes the drop hammer dynamic force calibration system, the force value of 50kN ~ 1MN; force rise time ≥ 0.5ms; amplitude error ± 2.0%. Second, the main structure and working principle Falling hammer impact device shown in Figure 1, mainly by the anvil 1, base 2, column scale 3, the force sensor 4, felt