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大采高支架降柱泄压能量回收特性研究
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国家自然基金资助项目(51605320);山西省煤基重点科技攻关项目(MJ201407)


Study on Energy Recovery Characteristics in Pressure Relief Process of Hydraulic Support Column in Large Mining Height
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    摘要:

    针对大采高综采面液压支架降柱泄压工况,提出了一种能量回收再利用回路及控制方法。建立了降柱泄压能量回收回路的AMESim仿真模型,研究了蓄能器容积、蓄能器充气压力、蓄能管路长度和液控单向阀通径对立柱缸无杆腔压力和能量回收容积的影响规律,分析了立柱缸无杆腔压力和能量回收容积的动态特性曲线。结果表明:蓄能器容积、蓄能器充气压力对降柱泄压能量回收容积影响明显,液控单向阀通径对能量回收时间影响明显,而蓄能管路长度对回路两种特性影响均可忽略。

    Abstract:

    A new energy recovery circuit and control procedure is proposed for pressure relief process of hydraulic support column in large mining height.The AMESim simulation model of the energy recovery circuitwas established for the column. The influence of the accumulator volume, the charging pressure of accumulator, the length of accumulator pipe, flow diameter of hydraulic control check valve on the pressure of column chamber without pistonrod and energy recovery volumewas studied. The dynamic characteristic curves of the pressure of column chamber without pistonrod and energy recovery volume were analyzed. The results show that the influence of the accumulator volume, the charging pressure of accumulator on energy recovery volumeis obvious, the effect of flow diameter of check valve on energy recovery time also clear, howeverthe effect of the volume of accumulator pipe on both aspects could be neglected.

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仉志强,李永堂,刘志奇,闫驾虎,庄国顺.大采高支架降柱泄压能量回收特性研究[J].机床与液压,2017,45(5):115-118.
. Study on Energy Recovery Characteristics in Pressure Relief Process of Hydraulic Support Column in Large Mining Height[J]. Machine Tool & Hydraulics,2017,45(5):115-118

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  • 在线发布日期: 2017-05-09
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