Research on Rapid Missile Erection System Based on Gas-hydraulic Hybrid Drive

doi:10.3969/j.issn.1000-1093.2017.07.013

Abstract

Abstract: In order to increase the erection speed of missile，an erection method based on gas-hydraulic hybrid drive is proposed. Mathematical models of high pressure gas vessel，piston accumulator，two-stage hydraulic cylinder，pneumatic throttle valve and hydraulic throttle valve are established. Simulation studies of erection driven by accumulator and gas vessel were completed, and the experiment of gas-hydraulic hybrid drive was accomplished. The results demonstrate that two gas-hydraulic hybrid drive schemes can accomplish erection process within thirty seconds. The control method of accumulator drive scheme is simple. However，the pressure inside the accumulator is high, the volume and mass of accumulator are large, and much energy is consumed in heating liquid. The accumulator is suitable for light load system. Gas and liquid are controlled separately in gas vessel drive scheme. A compound control mode is proposed. In the control mode, the gas is throttled to reduce the pressure in the first erection stage, and the liquid is throttled to complete braking load in the second erection stage. The deviation of experiment and simulation meets the system requirement. The displacement deviation is within 18 mm. The pressure deviation is large in the starting-braking period and variation period of cylinder stages. Cushion structure should be designed to ensure rapid and smooth erection. Key

Key words: ordnancescienceandtechnology, missilelaunching, gas-hydraulichybriddrive, rapiderection, accumulator

CLC Number:

TJ768.2⁺8

FENG Jiang-tao， GAO Qin-he， GUAN Wen-liang， YAO Xiao-guang， LI Liang. Research on Rapid Missile Erection System Based on Gas-hydraulic Hybrid Drive[J]. Acta Armamentarii, 2017, 38(7): 1348-1357.

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第38卷
第7期2017 年7月兵工学报ACTA
ARMAMENTARIIVol.38No.7Jul.2017

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