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1. 发明申请

US20150041688A1 ELECTRO-HYDRAULIC SYSTEM FOR DRIVING LARGE-SCALE ROTARY MOTION VALVE SUPPLIED BY SOLAR LOW-CAPACITY POWER 审中-公开
标题翻译：用于驱动由太阳能低功率功率供电的大型旋转运动阀的电液系统
公开(公告)号：US20150041688A1
公开(公告)日：2015-02-12
申请号：US14388239
申请日：2013-04-19
申请人： Baojun LIU
发明人： Baojun Liu , Xueming Zheng , Xianshuang Shun , Guanhua Liu , Li Lei , Qiang Nie , Jinshan Xu
IPC分类号： F16K31/163 , F16K31/54 , F16K31/42
CPC分类号： F16K31/1635 , F03G6/00 , F16K31/1225 , F16K31/42 , F16K31/52 , F16K31/54 , F24S2030/115 , Y02E10/46
摘要： An electro-hydraulic system for driving a large-scale rotary motion valve supplied by a solar low-capacity power. A step motor (2) and an oil pump (3) are in turn driven by a low-capacity solar power supply (1). An oil tank (5), the oil pump, a check valve (6), a T-connector (7) and a liquid accumulator (10) are in turn arranged on an oil storage pipeline (4). An oil inlet pipeline (16) is connected to the rest of the ports of the T-connector. An oil inlet of a three-position four-way reversing solenoid valve (12) is connected to the oil inlet pipeline. Two ends of an oil return pipeline are connected to an oil return port of the reversing valve and an oil return port of the oil tank, respectively. Each of two oil outlets of the reversing valve is respectively connected to an oil port of a single-chamber cylinder via a pipeline. The outer ends of the piston rods of cylinders A and B are rigidly connected together to form one piston rod (134). A linear-to-rotary transition mechanism is provided between the piston rod (134) and a spool (19) of the rotary motion valve. Since the low-capacity solar power supply is adopted in the system, the equipment cost, the operation cost and the maintenance cost of the system are reduced, and the input-output ratio of the system is increased.
摘要翻译：一种用于驱动由太阳能低容量电力供应的大型旋转运动阀的电动液压系统。步进马达（2）和油泵（3）又由低容量太阳能电源（1）驱动。油箱（5），油泵，止回阀（6），T型连接器（7）和液体蓄能器（10）又设置在储油管道（4）上。进油管道（16）连接到T型连接器的其余端口。三位四通换向电磁阀（12）的进油口连接到进油管道。回油管道的两端分别连接到换向阀的回油口和油箱的回油口。换向阀的两个出油口中的每一个分别通过管道连接到单室缸的油口。气缸A和B的活塞杆的外端刚性连接在一起形成一个活塞杆（134）。在活塞杆（134）和旋转运动阀的阀芯（19）之间设有线性转动过渡机构。由于系统采用低容量太阳能供电，降低了系统的设备成本，运行成本和维护成本，提高了系统的输入输出比。

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