大口径中频加热弯管机液压推进系统的研制

Research and Development of Hydraulic Drive System of Big Caliber Intermediate Fre quency Heating Bender

介绍了大口径中频加热弯管机液压推进系统的原理、构成和作用,给出了使用该系统生产出的部分弯管的检验数据,表明该液压推进系统设计合理,使用该系统弯制的弯管符合标准,满足使用要求。针对系统中压力、流量等参数的调节都只能是手动,不能实现远程遥控和自动控制的问题,提出了切实可行的改进措施。该系统具有自动化程度高、进给速度平稳、结构简单、易操作、安全可靠等特点,可大大提高弯管质量,降低劳动强度。

This paper introduces the principle,composition and function of big calibe r intermediate frequency heating bender and provides inspecting data of partial bent pipes produced by that bender,which proves that the design of hydraulic d rive system is correct.The improved system possesses advan-tages of high autom ation level,steady advance velocity,simple structure,easy operation,safety a nd relia-bility.It can significantly increase bend quality and decrease labour strength.