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1.发明申请APPARATUS AND METHOD FOR DETECTING AND PROTECTING TELESCOPIC OIL CYLINDER OF CRANE 审中-公开检测和保护起重机油罐的装置和方法公开(公告)号：US20160289050A1
公开(公告)日：2016-10-06
申请号：US15186403
申请日：2016-06-17
发明人： Junfei Chai , Huapeng Cui , Hongmin Zhang , Lei Li , Cuiping Wang
CPC分类号： B66C23/705 , B66C13/20 , B66C15/00 , F15B11/08 , F15B13/0401 , F15B13/044 , F15B2211/426
摘要： An apparatus for a crane comprises a large-cavity pressure sensor, a small-cavity pressure sensor, a controller, a telescopic oil cylinder, and a telescopic oil cylinder regulator. The large-cavity pressure sensor can measure the oil pressure in a large cavity of the telescopic oil cylinder. The small cavity pressure sensor can measure the oil pressure in a small cavity of the telescopic oil cylinder. The controller can control an output electrical signal according to a large-cavity oil pressure fed back by the large-cavity pressure sensor and a small-cavity oil pressure fed back by the small-cavity pressure sensor, and, by means of the electrical signal, control a change of the amount of hydraulic oil flowing into and out of the large cavity and the small cavity of the telescopic oil cylinder so as to regulate the oil pressures in the large cavity and the small cavity.
摘要翻译： 一种用于起重机的设备包括大腔压力传感器，小腔压力传感器，控制器，伸缩油缸和伸缩油缸调节器。 大型腔压力传感器可以测量伸缩油缸大腔内的油压。 小型腔压力传感器可以测量伸缩油缸的小腔中的油压。 控制器可以根据由大腔压力传感器反馈的大腔油压和由小腔压力传感器反馈的小腔油压来控制输出电信号，并通过电信号 控制流入和流出伸缩油缸的大腔和小腔的液压油量的变化，以调节大腔和小腔中的油压。
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公开(公告)号：US10196245B2
公开(公告)日：2019-02-05
申请号：US15186403
申请日：2016-06-17
发明人： Junfei Chai , Huapeng Cui , Hongmin Zhang , Lei Li , Cuiping Wang
摘要： An apparatus for a crane comprises a large-cavity pressure sensor, a small-cavity pressure sensor, a controller, a telescopic oil cylinder, and a telescopic oil cylinder regulator. The large-cavity pressure sensor can measure the oil pressure in a large cavity of the telescopic oil cylinder. The small cavity pressure sensor can measure the oil pressure in a small cavity of the telescopic oil cylinder. The controller can control an output electrical signal according to a large-cavity oil pressure fed back by the large-cavity pressure sensor and a small-cavity oil pressure fed back by the small-cavity pressure sensor, and, by means of the electrical signal, control a change of the amount of hydraulic oil flowing into and out of the large cavity and the small cavity of the telescopic oil cylinder so as to regulate the oil pressures in the large cavity and the small cavity.
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