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[CN 201620866901.3] Hydraulic cushion stroke control device for stretching hydraulic press
[CN 201620866901.3] Title of a hydraulic pad stroke control device for a stretching hydraulic press: Application number of a hydraulic pad stroke control device for a stretching hydraulic press: CN 201620866901.3 Applicant: Chengdu Zhengxi Hydraulic Equipment Manufacturing Co., Ltd. Application date: 2016-8-11 Patent type: Utility model The utility model discloses a hydraulic pad stroke control device for a stretching hydraulic press, including lower beam, hydraulic pad top plate, stroke rod, single groove pulley, side steel plate of lower beam and counterweight sliding block. The stroke rod is arranged at one end of the hydraulic pad top plate, and the side steel plate of lower beam is arranged at the top of one side of the lower beam. The single groove pulley is arranged on both sides of the through hole opened on the side steel plate of lower beam, the other end of the steel wire is connected to the counterweight slider. The counterweight slider is provided with a displacement sensor. The outer side of the counterweight slider is provided with a protective cover. The protective cover is fixed on the steel plate on the side of the beam. A travel switch mounting frame is installed on the side of the protective cover. A travel switch is installed on the mounting frame. The utility model is provided with a displacement sensor on the counterweight slider, which shortens the sensing time and increases the control accuracy of the device. The counterweight slider is chrome-plated to reduce the influence of friction and occupies a small space.
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