| The hydraulic drive winch is widely applied in the engineering. The hydraulic drive working winch in this text is the lifting equipment of down or up tubing and pumps etc extracts oil engineering experimental well. This subject is a part of Production Engineering Simulation Test System for Daqing Production Engineering Research Institute.As the Lifting equipment, the working winch can take 50t, which is the biggest value .Because the load of the winch always changes during lifting and putting down it .The speed of the winch is apt to disturbs, also the winch have the problem of the shock and Vibration produced by during it is working . I demonist the hydraulic drive working winch fit in all of conditions. Compared and analyzed to the driving system of the different winch, at last, determines to use the hydraulic pressure driving system is the optimal programs .This paper has carried on the detailed design and the analysis to the control system of the hydraulic drive working winch.In this paper I have taken the working winch of experimental well as an objective and basing on the hydraulic drive, designed and analyzed the hydraulic drive system of the working winch, carried on dynamic analysis to this system.This paper on account for the development of the winch of hydraulic drive technology, carried on compared analysis to different hydraulic drive system of the winch, finally had determined the work a winch uses the hydraulic pressure driving system .Carried on designing and analyzing to the composition of the hydraulic drive system of the working winch .Carried out dynamic characteristic analysis to the hydraulic drive control system of working winch.According to the conclusion of analysis, to improve the hydraulic drive control system that is designed by this paper and meets the production requirement.
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