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大型工程机械由于自身质量和体积庞大,运输过程中必须拆成几个部分,其液压胶管也应拆卸。为使液压胶管拆装方便,通常设有快速接头。若快速接头连接不当或存在设计缺陷,将造成液压元件损坏,甚至导致故障或事故。本文介绍大型工程机械液压胶管快速接头结构、故障分析以及对液压元件等的保护。1.快速接头结构和功用液压胶管快速接头分为插接式和连螺纹式2种,如图1和图2所示。无论是插接式还是螺
Large-scale construction machinery because of its own mass and size, the transport process must be disassembled into several parts, the hydraulic hose should be removed. In order to facilitate the disassembly and assembly of hydraulic hoses, quick couplings are usually provided. Improper connection of quick connectors or design defects may result in damage to hydraulic components and may even result in malfunction or accident. This article describes the large construction machinery hydraulic hose quick connector structure, fault analysis and protection of hydraulic components. 1. Quick connector structure and function Hydraulic hose quick connector is divided into plug-type and screw-type 2, as shown in Figure 1 and Figure 2. Whether plug or screw