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[CN 201620322061.4] Intelligent control device for bottom dead center of electrohydraulic hammer
[CN 201620322061.4] An electro-hydraulic hammer bottom dead center intelligent control device Title: An electro-hydraulic hammer bottom dead center intelligent control device application number: CN 201620322061.4 Applicant: China Juxin Offshore Engineering Equipment Co., Ltd. Application Date: 2016-4-18 Patent Type: The utility model relates to an electro-hydraulic hammer bottom dead center intelligent control device, which is fixed with a magnetic induction displacement sensor on the main hydraulic cylinder barrel that drives the hammer to move up and down, A magnetic ring is fixedly arranged on the single output rod of the main hydraulic cylinder, and the magnetic ring is sleeved outside the magnetic induction displacement sensor with a gap. When the single output rod drives the magnetic ring to generate displacement so that the hammer head at the lower end of the single output rod reaches the set position, the sensor sends the magnetic circuit change signal generated by the displacement to the PLC programmable controller, and the PLC programmable controller sends the heavy, light and emergency stop instructions to the main hydraulic cylinder according to the set program, this enables the hammer to finally stop at the final dimensional position of the forging. The utility model has the advantages of high intelligent control degree, good forging quality and high working efficiency.
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