基于高压储能的特种车辆快速起竖技术与验证

doi:10.12382/bgxb.2021.0461

摘要/Abstract

摘要： 围绕特种车辆重负载下的快速起竖需求，针对气液混合驱动方法较难达到15s内起竖的问题，开展了对传统气液驱动方式与起竖结构的优化研究。采用高压蓄能器驱动三级缸起竖的方案，结合实际需求优化三铰点起竖结构与缓冲装置，利用AMESim软件对快速起竖方案进行了仿真验证，并搭建实验样机进行快速起竖实验验证。实验结果表明：该方案通过高压蓄能器驱动起竖机构，通过迅速释放装置中储存的高压气体来推动蓄能器中的活塞，使液压油快速流入液压缸中，并通过节流的方式进行换级与末段缓冲，可实现大负载下12.7 s起竖至95.3°，再耗时1.8 s达到振幅小于1°，起竖角度稳定在95°,快速起竖过程共用时14.5 s，相比传统液压泵驱动起竖提高71.5%。由于实验样机车身跨距较大，受多级缸换级冲击影响，由实验样机弹性形变导致换级时振幅变大，所以还需对实验样机缓冲结构进一步优化，以保证起竖过程的平稳性。

关键词: 兵器科学与技术, 快速起竖, 高压蓄能器, 特种车辆, 气液混合驱动

Abstract: Focusing on the rapid erection requirements of special vehicles under heavy loads, and to solve the problem that the gas-liquid hybrid driving method is difficult to achieve erection within 15 s, the optimization of the traditional gas-liquid driving method and the erection structure is studied. The scheme of using high-pressure accumulator to drive the erection of a three-stage cylinder is adopted, and the three-hinge point erection structure and buffer device are optimized according to actual needs. The rapid erection scheme is simulated and verified by the simulation software AMESim, and an experimental prototype is built for rapid erection experiments. The experimental results show that in the scheme, the erecting mechanism is driven through the high-pressure accumulator by quickly releasing the high-pressure gas stored in the device which pushes the piston in the accumulator, so that the hydraulic oil quickly flows into the hydraulic cylinder. Then through stage change and the final buffering by means of throttling, the erection to 95.3° in 12.7 s under heavy loads is realized, and subsequently it takes 1.8 s to reach the amplitude of less than 1° with a stable erection angle of 95°. The total rapid erection time is 14.5 s. Compared with traditional hydraulic pump driving method, the erection by the proposed method is increased by 71.5%. Due to the large span of the experimental prototype, and affected by the impact induced by stage change, the elastic deformation of the experimental prototype causes larger amplitude during stage change, so the buffer structure of the experimental prototype needs to be further optimized to ensure the stability of the erection process.

Key words: ordnancescienceandtechnology, rapiderection, high-voltageenergystoragedevice, specialvehicles, gas-liquidhybriddriving

中图分类号:

TJ768.2⁺8

周伯俊, 于传强，刘志浩，柯冰. 基于高压储能的特种车辆快速起竖技术与验证[J]. 兵工学报, 2022, 43(7): 1488-1497.

ZHOU Bojun， YU Chuanqiang， LIU Zhihao， KE Bing. Rapid Erection Technology and Verification of Special Vehicles Based on High-Voltage Energy Storage[J]. Acta Armamentarii, 2022, 43(7): 1488-1497.

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