膏体充填支架液压控制系统特性分析  

Characteristic Analysis of Hydraulic Control System of Paste Filling Support

作　　者：曹连民[1] 张德抗 赵东瑞 陈懿璇 朱明星 CAO Lianmin;ZHANG Dekang;ZHAO Dongrui;CHEN Yixuan;ZHU Mingxing(College of Mechanical and Electronic Engineering,Shandong University of Science and Technology,Qingdao Shandong 266590,China)

机构地区：[1]山东科技大学机械电子工程学院,山东青岛266590

出　　处：《机床与液压》2024年第19期141-145,共5页Machine Tool & Hydraulics

基　　金：国家自然科学基金青年科学基金项目(51801115);山东省自然科学基金项目(ZR201709220253)。

摘　　要：为了提高支架支护性能与灵活性,确保其升降与移架过程的稳定性与可靠性,对液压系统立柱控制回路进行动态特性研究并对整体稳定性进行联合仿真。研究结果表明:立柱承载压力不超过1 000 kN时,外缸、中缸无杆腔压力最大分别为42.2、69 MPa,立柱的稳定性较好;当承载压力为1 100 kN时,外缸、中缸无杆腔压力最大分别为52.5、83.8 MPa,最大流量达到400 L/min左右,能及时泄压;基于ADAMS与AMESim的机液联合仿真,降柱、升柱时间分别为11.02、24.98 s,最大倾斜角度约为1.3°;通过对液压系统现场观测得出液压支架具有很好的支撑作用和稳定性,有效解决了以往充填开采时充填支架支护存在的问题,实现“采煤-充填”两班一循环的高效开采生产模式。In order to improve the support performance and flexibility,and ensure the stability and reliability of the lifting and moving process,the dynamic characteristics of the column control circuit of the hydraulic system were studied and the overall stability was co-simulated.The results show that when the bearing pressure of the column does not exceed 1 000 kN,the maximum pressure of the rodless chamber of the outer cylinder and the middle cylinder is 42.2 MPa and 69 MPa respectively,and the stability of the column is good;when the bearing pressure is 1 100 kN,the maximum pressure of the rodless chamber of the outer cylinder and the middle cylinder is 52.5 MPa and 83.8 MPa respectively,and the maximum flow rate is about 400 L/min,which can release the pressure in time.Based on the co-simulation of ADAMS and AMESim,the time of falling column and rising column is 11.02 s and 24.98 s respectively,and the maximum inclination angle is about 1.3°.Through the field observation of the hydraulic system,it is concluded that the hydraulic support has good support and stability.It effectively solves the problems existing in the support of filling support in the past and realizes the efficient mining production mode of ′coal mining-filling′ two shifts and one cycle.

关 键 词：膏体充填支架 立柱控制回路 液压系统 联合仿真 现场试验 

分 类 号：TH137[机械工程—机械制造及自动化]