The utility model relates to a numerical control moving beam Longmen boring and milling machine, in particular to a balance adjusting device for a crossbeam of a numerically controlled moving beam Longmen boring and milling machine. The utility model of the dynamic balance adjusting device of Longmen CNC boring milling machine beam beam, which is characterized by comprising successively connected PLC analog output module, PID control board, proportional valve amplifier, proportional valve, hydraulic cylinder, hydraulic pressure sensor, the sensor output end is connected with PID control board, composed of a closed loop control device. PLC is the program logic controller of NC machine tools, and outputs to the PLC analog output module as the closed loop control after the operation. The utility model has the advantages that the balance adjustment effect is good, and the pressure difference caused by the moving of the ram milling head along the cross beam is eliminated, so that the cross beam can be operated stably, and the phenomenon of leaning over difference can be avoided effectively.
【技术实现步骤摘要】
【技术保护点】
数控动梁龙门镗铣床横梁的平衡调整装置，其特征在于：包括依次连接的ＰＬＣ模拟输出模块、ＰＩＤ控制板、比例阀放大器、比例阀、油缸、压力传感器，液压传感器输出端连接ＰＩＤ控制板，组成一闭环控制装置。
【技术特征摘要】
【专利技术属性】
技术研发人员：曲改玉，崔晓艳，
申请(专利权)人：济南二机床集团有限公司，
类型：实用新型
国别省市：88[中国|济南]
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