CN201785784U - 一种挖掘机三铰点连杆机构 - Google Patents

一种挖掘机三铰点连杆机构 Download PDF

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Publication number
CN201785784U
CN201785784U CN2010202976434U CN201020297643U CN201785784U CN 201785784 U CN201785784 U CN 201785784U CN 2010202976434 U CN2010202976434 U CN 2010202976434U CN 201020297643 U CN201020297643 U CN 201020297643U CN 201785784 U CN201785784 U CN 201785784U
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connecting rod
hinge
excavator
utility
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彭志群
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Zoomlion Heavy Industry Science and Technology Co Ltd
Shanghai Zoomlion Piling Machinery Co Ltd
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Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd Shanghai Branch
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Abstract

本实用新型提供了一种挖掘机三铰点连杆机构，其特征在于：包括具有三个铰点的连杆，连杆的三个铰点分别与左/右摇臂、铲斗油缸和铲斗相连。本实用新型不再采用两铰点结构，而是将铲斗油缸和摇臂分开用铰接在连杆上。其结构简单可靠，成本低，提高了初始挖掘力和挖掘速度的问题，很容易在大型挖掘机上实施。

Description

一种挖掘机三铰点连杆机构
技术领域
本实用新型涉及一种挖掘机三铰点连杆机构，属于挖掘机工作装置连杆机构技术领域。
背景技术
目前，在挖掘机的工作装置连杆机构结构中，基本都采用两铰点结构，铲斗油缸和摇臂铰接在一端，连杆的另一端和铲斗铰接。大型挖掘机采用短斗杆、大斗容，在结构布置时，如果使用两铰点连杆，要达到最大挖掘力时，往往需要较长的摇臂、连杆、液压缸行程，但这样会使铲斗的总转动角度减小或斗杆上的铲斗油缸铰点靠后而不易布置。
发明内容
本实用新型的目的是提供一种在铲斗油缸行程较短、总转动角度相同的情况下，解决结构布置问题的连杆机构。
为了达到上述目的，本实用新型的技术方案是提供了一种挖掘机三铰点连杆机构，其特征在于：包括具有三个铰点的连杆，连杆的三个铰点分别与左/右摇臂、铲斗油缸和铲斗相连。
本实用新型不再采用两铰点结构，而是将铲斗油缸和摇臂分开用铰接在连杆上。其结构简单可靠，成本低，提高了初始挖掘力和挖掘速度的问题，很容易在大型挖掘机上实施。
附图说明
图1为本实用新型提供的一种挖掘机三铰点连杆机构示意图；
图2为具有三个铰点的连杆的示意图。
具体实施方式
以下结合实施例来具体说明本实用新型。
实施例
如图1所示，为本实用新型提供的一种挖掘机三铰点连杆机构，包括具有三个铰点的连杆1，连杆1的结构如图2所示，连杆1的三个铰点分别与左/右摇臂2、铲斗油缸3和铲斗5相连。
本实用新型使挖掘机在短斗杆4、大斗容的结构布置时，在铲斗油缸3行程较短、总转动角度相同的情况下，实现最大的初始挖掘力和最快的挖掘速度。

Claims (1)

1.一种挖掘机三铰点连杆机构，其特征在于：包括具有三个铰点的连杆（1），连杆（1）的三个铰点分别与左/右摇臂（2）、铲斗油缸（3）和铲斗（5）相连。
CN2010202976434U 2010-08-19 2010-08-19 一种挖掘机三铰点连杆机构 Expired - Fee Related CN201785784U (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561424A (zh) * 2011-12-27 2012-07-11 燕山大学 一种用于重载的三自由度连杆工作装置
CN102720225A (zh) * 2012-06-01 2012-10-10 燕山大学 运动冗余正铲液压挖掘工作机构
CN103174181A (zh) * 2011-12-24 2013-06-26 广西玉柴重工有限公司 一种挖掘机铲斗
CN104975625A (zh) * 2015-06-26 2015-10-14 吴爱群 一种带有双支臂的小型挖掘机
CN105040758A (zh) * 2015-06-26 2015-11-11 吴爱群 一种园林用小型助力挖掘机
WO2020011064A1 (zh) * 2018-07-12 2020-01-16 杨双来 挖掘机的铲斗摇臂机构
WO2020011063A1 (zh) * 2018-07-12 2020-01-16 杨双来 挖掘机的斗杆摇臂机构

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103174181A (zh) * 2011-12-24 2013-06-26 广西玉柴重工有限公司 一种挖掘机铲斗
CN103174181B (zh) * 2011-12-24 2016-08-24 广西玉柴重工有限公司 一种挖掘机铲斗
CN102561424A (zh) * 2011-12-27 2012-07-11 燕山大学 一种用于重载的三自由度连杆工作装置
CN102561424B (zh) * 2011-12-27 2014-05-14 燕山大学 一种用于重载的三自由度连杆工作装置
CN102720225A (zh) * 2012-06-01 2012-10-10 燕山大学 运动冗余正铲液压挖掘工作机构
CN102720225B (zh) * 2012-06-01 2014-06-11 燕山大学 运动冗余正铲液压挖掘工作机构
CN104975625A (zh) * 2015-06-26 2015-10-14 吴爱群 一种带有双支臂的小型挖掘机
CN105040758A (zh) * 2015-06-26 2015-11-11 吴爱群 一种园林用小型助力挖掘机
WO2020011064A1 (zh) * 2018-07-12 2020-01-16 杨双来 挖掘机的铲斗摇臂机构
WO2020011063A1 (zh) * 2018-07-12 2020-01-16 杨双来 挖掘机的斗杆摇臂机构

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Address after: 410013 No. 361 South silver basin, Hunan, Changsha

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Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd.

Address before: 410013 No. 361 South silver basin, Hunan, Changsha

Co-patentee before: SHANGHAI ZOOMLION PILING MACHINERY Co.,Ltd.

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