液压系统检查的卸压的方法.ppt

液压设备卸压 = 电气设备断电 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 液压设备可能存在压力的部位及卸压的方法 确认设备的停机位置 切断压力源 阀台处卸压 被拆卸元件处卸压 势能最小位置、并插安全销或安全垫块 关闭截止阀 蓄能器的卸压 卸压阀或测压点处卸压 无压当有压处理 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1.停机位置及安全措施 停机时停在设备势能最小的位置； 即使设备误动作,也能确保安全 在设备检修时，防止设备在自重或外力作用下移动 安全垫块 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1.停机位置及安全措施 A:安全销 B:安全销导向套 停机时停在设备势能最小的位置； 即使设备误动作,也能确保安全 在设备检修时，防止设备在自重或外力作用下移动 C:机座 D:液压缸驱动的设备 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 2.切断压力源 关闭阀台入口的截止阀 关闭了截止阀,就一定能切断压力油源吗? Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 关闭液压阀台入口截止阀 截止阀 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 关闭液压阀台入口截止阀(有时不止一个截止阀) 截止阀1 截止阀2 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3.在阀台处卸压 卸压点一:蓄能器处泄压 卸压点二:专门的泄压阀泄压 卸压点三:通过测压点用测压软管泄压 说明:不是每个阀台都包含这些卸压点 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 卸压点一:蓄能器卸压 蓄能器的卸压阀反时针转半圈 卸压阀局部放大图 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 阀台的卸压阀 卸压点二:专门的卸压阀卸压 蓄能器卸压阀 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 测压点 卸压点三:测压点处卸压 测压点 测压点 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 测压点 卸压点三:测压点处卸压 测压软管 测压软管排油端 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 卸压点三:测压点处卸压 测压软管排油端 Evaluation only