A New-type Pyrotechnics Separation Device Based on Throttle and Pressure Relief Structure
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摘要:通过分析某型号火箭弹在研制过程中出现的分离故障，对火工分离装置的结构进行了改进设计。研究设置了新型节流和泄压结构。验证试验结果表明，新型火工分离装置将点火压强峰值下降65%，并实现了点火压强峰值的精确控制，满足了分离速度和冲击过载的指标要求，并且型号应用成功。通过调节节流泄压参数，该改进设计可以满足不同火箭弹弹射分离要求。
Abstract:Based on analysis of separation failure of a rocket projectile during research and development process，the structure of pyrotechnic separation device was improved, throttle and pressure relief structure was designed and set in the device. The verification test results indicated that the new-type pyrotechnic separation device can reduce the value of ignition pressure peak about 65%, and realize accurate control of the value. The new structure meet with the requirement of separation velocity as well as impact overload. Finally, the effective method has been applied successfully for the rocket projectile. Through adjusting parameters of throttle and pressure relief, the improved structure can be applied to separation of different rocket projectile.
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