针对液压蓄能修井机，在系统设计方面，通过理论推导确定适用于蓄能器修井机的蓄能器容积、蓄能器蓄能跟随压力、系统发热功率等系统主要参数计算公式。在节能控制方面，按提升与下放两种主要工况，分别给出适于普通缸智能控制的功率匹配方案。随后以具体的XJ70Y修井机液压系统设计为例，根据公式逐一确定普缸的缸径及杆径、储能蓄能器容积、系统散热功率、系统流量、主泵排量等系统参数。进一步，通过实例计算与工况分析，以图表方式给出了一种可行的自动升降功率匹配方案，可供当前有蓄能器参与的升降机构节能系统设计参考。
Abstract
For a hydraulic accumulator, calculation formulas of main parameters such as accumulator volume, accumulator energy following pressure and system fever power are determined by theoretical derivation in system design. In the field of energy saving control, according to the two main conditions of lifting and discharging, an intelligent power matching scheme suitable for common cylinder is given. Then, the design of hydraulic system of XJ70Y workover rig is taken as an example, and the system parameters such as cylinder diameter and rod diameter, accumulator volume, system heat dissipation power, system flow rate and main pump displacement are determined according to the formula. Further, a feasible automatic power matching scheme is presented by example calculation and working condition analysis, which can be used as a reference for design of energy saving system of lifting mechanism with accumulator.
关键词
修井机；蓄能器；功率匹配；计算
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Key words
workover rig, accumulator, power matching, calculate
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