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In this paper, on basis of the principle of drop hammer device, a new calibrating method is presented. According to the method a control circuit is designed of multichannel signal acquisition.

中文摘要：文根据落锤动态标定装置的工作原理，提出了一种改进标定方法，依据此标定方法的需要设计了一套对多路瞬态信号采集的硬件控制电路。

A method to confirm impact stiffness-- wave combination method by drop hammer impact test machine is introduced.

介绍一种确定隔振器冲击刚度的新方法——波形组合法。

It is important to rational design the drop hammer.

为减小落锤的蘑菇形尺寸，降低锤头的材料成本，多次重复使用落锤，进行合理的落锤结构设计指明了方向。

So the performance of microaccelerometer and instrumental drop hammer machine complies with technology standards.

证明了加速度传感器、虚拟仪器平台落锤实验机的性能符合相关技术要求。

Improve drop hammer impact test of the impact energy and other requirements, in order to make plastic pipes are more durable.

提高落锤冲击力和其他要求冲击试验，为了使塑料管道更耐久。

Over-loading of strong flash pyrotechnic composite was studied by using drop hammer simulation device.

采用大落锤冲击装置模拟研究了强闪光烟火药的过载能力。

This paper presents an experimental investigation on the dynamic buckling of a Kiewitt8 single-layer reticulated shell model under drop hammer impact.

通过单层KIEWITT8型网壳模型在落锤撞击作用下的实验，研究单层网壳在撞击作用下的动力稳定性。

They have many years of production history, with injection molding machines, twin-screw extruder, drop hammer impact test machine, such as the most advanced production equipment and testing equipment, the annual production of various kinds of pipe, pipe fittings 15,000 tons.

具有多年的生产历史，拥有注塑机、双螺杆挤出机、落锤冲击试验机等国内最先进的生产设备与检测设备，年生产各类管材、管件1.5万吨。

A method of drop hammer impact sensitivity test for big-bill explosive was developed.

设计建立了一种炸药大药片撞击感度试验方法，落锤质量为20 kg、落高度为0~15 m，对规格20 mm×5 mm、重约2.8 g的大药片进行撞击感度测试。

Considering the limitation of the shock experiment of a drop hammer, a shock simulation experiment platform is used to test the shock characteristics of isolators.

针对落锤冲击试验的不足，提出了减振器冲击特性的模拟台测试方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐