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1. 发明公开

KR1020140081078A 밸브 내구 시험기 审中-实审
标题翻译：阀门性能测试仪
公开(公告)号：KR1020140081078A
公开(公告)日：2014-07-01
申请号：KR1020120150408
申请日：2012-12-21
申请人： 주식회사 두산
发明人： 최영호 , 홍호준
IPC分类号： G01M13/00 , G01M99/00
CPC分类号： G01M99/007 , F16K37/0075 , G01M13/00
摘要： Disclosed is a valve performance tester. The valve performance tester includes a clean tank (1) which stores a clean hydraulic fluid; a general pump (2) which pumps the clean hydraulic fluid within the clean tank (1); a first switching valve (4) which selectively switches the flow of the clean hydraulic fluid by being connected to the general pump (2); second and third switching valves (7, 6) which are selectively connected to the first switching valve (4); a booster cylinder (12) which is connected to the second switching valve (7); a load cylinder (11) which is connected to the third switching valve (6) and is controlled by being synchronized with the booster cylinder (12) by a connection part (C); a flow control valve (8) which prevents the reverse flow to the third switching valve (6) and controls a flow rate by being disposed on a line connecting the third switching valve (6) and the load cylinder (11); a test valve (5) for a performance test of valves; a contamination tank (10) which stores a contaminated hydraulic fluid; and a check valve (9) which is disposed between the test valve (5) and the contamination tank (10), blocks the flow of the hydraulic fluid to the contamination tank (10) in a load state, and discharges the contaminated hydraulic fluid by a load in a neutral state.
摘要翻译：公开了一种阀门性能测试仪。阀门性能测试仪包括一个储存清洁液压油的清洁箱（1）在清洁罐（1）内泵送清洁液压流体的通用泵（2）; 第一切换阀（4），其通过连接到所述通用泵（2）来选择性地切换所述清洁液压流体的流动; 第二和第三切换阀（6,7），其选择性地连接到第一切换阀（4）; 与第二切换阀（7）连接的增压缸（12）。连接到第三切换阀（6）并通过连接部分（C）与增压缸（12）同步控制的负载缸（11）; 流量控制阀（8），其防止逆向流向第三切换阀（6），并且通过设置在连接第三切换阀（6）和负载缸（11）的管线上来控制流量; 用于阀门性能测试的测试阀（5）; 一个储存被污染的液压油的污水箱（10）; 以及设置在所述测试阀（5）和所述污染物（10）之间的止回阀（9），其在负载状态下阻塞所述液体流体到所述污染物（10）的流动，并且排出被污染的液压流体通过负载处于中性状态。

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