为防止海水进入无人水面航行体排气管,设计一种安装于排气口顶部的排气防浪止水装置,对其结构组成、动作原理进行简要概述,建立其挡水翻板旋转和浮子上浮力学数学模型,测试样机壳体密封性和水下漏水率及最大功率柴油机排气性能。测试结果表明,正常工作时排气顺畅,没入水下时浮子上、下运动灵活,漏水率均小于2 L/min,满足了技术指标,为后续更深入研究奠定一定的基础。
In order to prevent seawater entering into the exhaust pipe of the unmanned surface vehicle, a wave-proof exhaust device installed on the top of the exhaust port was designed. Its mechanical structure and action principle were summarized briefly. The mathematical models of flap rotation and floater buoyancy were established. Its seal of the shell, the water leakage rate under water and the exhaust performance of the maximum power diesel engine were tested. The test results showed that the float moved up and down flexibly under water and the maximal water leakage ratio was 2 L/min, meeting the design target, and laying a foundation for the further study.
2024,46(20): 61-64 收稿日期:2024-1-3
DOI:10.3404/j.issn.1672-7649.2024.20.011
分类号:TJ61
作者简介:刘金标(1982-),男,硕士,高级工程师,研究方向为机械结构和液压系统开发和设计
参考文献:
[1] 刘洋, 陈练, 苏强, 等. 水下无人航行器的技术发展与作战应用研究[J]. 舰船科学技术, 2020, 42(12): 1-7.
LIU Yang, CHEN Lian, SU Qiang, et al. Research on the development and combat application of foreign underwater unmanned vehicle[J]. Ship Science and Technology, 2020, 42(12): 1-7.
[2] 李楠, 陈练, 庞衍鹏, 等. 无人艇装备技术发展与作战运用探析[J]. 舰船科学技术, 2019, 41(12): 29-34.
LI Nan, CHEN Lian, PANG Yanpeng, et al. Analysis on key technologies evolution and application of USV[J]. Unmanned Systems Technology, 2019, 41(12): 29-34.
[3] 李超, 宋健, 刘金勇, 等. 半潜航行体纵平面流体动力数值计算与试验研究[J]. 舰船科学技术, 2023, 45(5): 36-43.
LI Chao, SONG Jian, LIU Jinyong, et al. Numerical calculation and experimental study on hydrodynamic characteristics at the longitudinal plane of a semi-submersible Vehicle Ship Science and Technology[J]. Ship Science and Technology, 2023, 45(5): 36-43.
[4] 杨源泉. 阀门设计手册 [M]. 北京: 机械工业出版社, 2000.
[5] 陈声坦, 于新海. 柴油发动机用高温蝶阀的设计与制造[J]. 机电信息, 2021(3): 54-57.
[6] 张广成, 刘伟, 张璋, 等. 聚甲基丙烯酰亚胺(PMI)泡沫的进展[J]. 橡塑技术与装备, 2021, 47(10): 23-30.
[7] 曾正明. 实用工程材料技术手册[M]. 北京: 机械工业出版社, 2001.
[8] 王建, 孙永福, 刘胜吉, 等. 排气背压对小型柴油机性能影响的研究[J]. 广西大学学报(自然科学版), 2017, 42(3): 897-903.
[9] 孙开元, 郝振洁. 机械密封结构图例及应用[M]. 北京: 化学工业出版社, 2015: 11-16.
[10] GB/T12137-2015. 气瓶气密性试验方法[S] . 北京: 中国标准出版社, 2015.