CN201473994U - 液压中央回转接头 - Google Patents

液压中央回转接头 Download PDF

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CN201473994U
CN201473994U CN200920233002XU CN200920233002U CN201473994U CN 201473994 U CN201473994 U CN 201473994U CN 200920233002X U CN200920233002X U CN 200920233002XU CN 200920233002 U CN200920233002 U CN 200920233002U CN 201473994 U CN201473994 U CN 201473994U
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revolving body
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邬逵清
张爱军
夏泽民
陈酉冰
潘逸明
胡健松
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Jiangsu Changling hydraulic Limited by Share Ltd
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CHANGLING HYDRAULIC PRESS PLANT JIANGYIN CITY
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Abstract

本实用新型涉及一种液压中央回转接头，主要用于大吨位塔吊等机械的整个液压系统中。包括回转体(3)和回转轴(1)，回转轴(1)小头端自回转体(3)后端轴向插入回转体(3)内，且回转轴(1)小头端轴端用挡板(3)固定，回转体(3)后端用端盖(5)固定，所述回转轴(1)大头端伸出回转体(3)后端外，且回转轴(1)大头端靠近回转体(3)后端处外缘固定连接有定位板(2)；所述回转轴(1)内轴向开设有八条主油路孔，所述八条主油路孔的进油口均设置在回转轴(1)大头端的外缘，相应于回转轴(1)上的八条主油路孔，所述回转体(3)上径向开有八个主油口与回转轴(1)上的八条主油路孔一一相对应。本实用新型使旋转部分与固定部分能相对相对旋转360°管道不发生干涉、上、下油路畅通、各油路动作不串联。

Description

液压中央回转接头
(一)技术领域
本实用新型涉及一种液压中央回转接头。主要用于大吨位全液压挖掘机、起重机、平地机、塔吊等机械的整个液压系统中。是连接整个液压系统中固定部分与旋转部分的液压管路的连接件。
(二)背景技术
液压挖掘机、吊机等，其上下两部分是需要回转的，这就存在回转部分与固定部分的油路连接问题。液压中央回转接头就是用来连接整个液压系统中固定与旋转部分的液压管路。中央回转接头由回转体、回转轴和盖子等组成。使用时，回转体与液压挖掘机、起重机机械的回转下平台固定，回转轴上安装板与回转上平台上的回转支撑相连接。液压胶管和电线分别安装于回转体与回转轴的各油口和线路上。液压机械的上平台带动回转轴旋转。
在本实用新型作出以前，目前的液压中央回转接头的回转体与回转轴之间不能相对回转运动360°，致使管道和线路会发生干涉，上、下不畅通，各油路动作串联。
(三)发明内容
本实用新型的目的在于克服上述不足，提供一种使旋转部分与固定部分能相对相对旋转360°管道不发生干涉、上、下油路畅通、各油路动作不串联的液压中央回转接头。
本实用新型的目的是这样实现的：一种液压中央回转接头，包括回转体和回转轴，所述回转轴小头端自回转体后端轴向插入回转体内，且回转轴小头端轴端用挡板固定，回转体后端用端盖固定，所述回转轴大头端伸出回转体后端外，且回转轴大头端靠近回转体后端处外缘固定连接有定位板；所述回转轴内轴向开设有八条主油路孔，所述八条主油路孔的进油口均设置在回转轴大头端的外缘，相应于回转轴上的八条主油路孔，所述回转体上径向开有八个主油口与回转轴上的八条主油路孔一一相对应。八条主油路经回转体和回转轴出油。
本实用新型的有益效果是：
本实用新型能连接整个液压系统中固定部分与旋转部分的液压油路，使旋转部分与固定部分能相对旋转360°，管道不发生干涉，上、下油路畅通，各油路动作不串联。并且本中央回转接头可以提供八个通道的油路，不仅可以为行走马达和推土油缸提供油路，在此基础上还可以为支腿油缸提供油路，使挖掘机可以在更加复杂的工作环境施工。
该产品主要用于200T级全液压挖掘机；吊机上、下二大部分。
(四)附图说明
图1为本实用新型液压中央回转接头的正面结构示意图。
图2为图1的后视图。
图3为图1的A-A剖示图。
图4为图1的仰视图。
图中附图标记：
回转轴1、定位板2、回转体3、挡板4、端盖5、螺钉6、螺栓7、O形圈8、旋转密封9、耐磨环10、O形圈11、防尘圈12、堵头13、O形圈14。
(五)具体实施方式
参见图1～4，本实用新型涉及的液压中央回转接头，包括回转体3和回转轴1，所述回转轴1小头端自回转体3后端轴向插入回转体3内，且轴端用挡板3和螺钉6固定，回转体3后端用端盖5、螺栓7和密封圈8固定密封，所述回转轴1大头端伸出回转体3后端外，且回转轴1大头端靠近回转体3后端处外缘固定连接有定位板2；所述回转体3外缘环形凹槽内装上旋转密封9、耐磨环10、O形圈11和防尘圈12。
如图3，所述回转轴1内轴向开设有八条主油路孔，所述八条主油路孔的进油口均设置在回转轴1大头端的外缘，回转轴1大头端开设的主油路孔端头用堵头13堵住，并用O形圈14保证密封；相应于回转轴1上的八条主油路孔，所述回转体3上径向开有八个主油口与回转轴1上的八条主油路孔一一相对应，如图1、图2和图3中的A口、B口、C口、D口、E口、F口、G口和H口。

Claims (1)

1.一种液压中央回转接头，包括回转体(3)和回转轴(1)，其特征在于：所述回转轴(1)小头端自回转体(3)后端轴向插入回转体(3)内，且回转轴(1)小头端轴端用挡板(4)固定，回转体(3)后端用端盖(5)固定，所述回转轴(1)大头端伸出回转体(3)后端外，且回转轴(1)大头端靠近回转体(3)后端处外缘固定连接有定位板(2)；所述回转轴(1)内轴向开设有八条主油路孔，所述八条主油路孔的进油口均设置在回转轴(1)大头端的外缘，相应于回转轴(1)上的八条主油路孔，所述回转体(3)上径向开有八个主油口与回转轴(1)上的八条主油路孔一一相对应。
CN200920233002XU 2009-07-10 2009-07-10 液压中央回转接头 Expired - Lifetime CN201473994U (zh)

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