CN108678067A - 一种挖掘机斗齿 - Google Patents

一种挖掘机斗齿 Download PDF

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CN108678067A
CN108678067A CN201810528723.7A CN201810528723A CN108678067A CN 108678067 A CN108678067 A CN 108678067A CN 201810528723 A CN201810528723 A CN 201810528723A CN 108678067 A CN108678067 A CN 108678067A
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toothholder
snap
arms
impeller
crown
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CN108678067B (zh
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梁晶晶
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Guangde Guangli new building materials Co., Ltd
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Maanshan Songhe Information Technology Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2825—Mountings therefor using adapters
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2858—Teeth characterised by shape

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

本发明公开了一种挖掘机斗齿,包括齿座和齿尖,齿尖具有尖部、卡接块和容纳腔,齿座内设置有空腔,卡接臂通过销轴设置在齿座内部,两个卡接臂之间连接有压簧,压簧将两个卡接臂向相反方向抵压,卡接臂的卡接头伸出齿座,齿座空腔还设置有顶杆和推动件,所述顶杆具有锥形顶起端,锥形顶起端与推动件的斜面配合,当顶杆向下运动时,锥形顶起端抵压推动件的斜面,从而使推动件左移使两个卡接臂向齿座内收缩。本发明能够提高更换齿尖的速度,提高了工作效率。

Description

一种挖掘机斗齿
技术领域
本发明属于挖掘机领域,具体涉及一种挖掘机的斗齿。
背景技术
目前挖掘机的斗齿一般都是采用销连接,由于使用销连接需要在齿尖和齿座上设置贯通孔,孔是由外往内,这样就会破坏齿尖的外表面结构,造成齿尖的强度降低。而且使用销连接需要借助外部工具敲击,安装和拆卸极其不方便。
发明内容:
本发明为了解决上述问题,提供了一种挖掘机斗齿,便于安装和拆卸。
本发明具体采用以下技术方案实现,
一种挖掘机斗齿,包括齿座和齿尖,其特征在于:所述齿尖具有尖部、卡接块和容纳腔,所述齿座内设置有空腔,卡接臂通过销轴设置在齿座内部,两个卡接臂之间连接有压簧,所述压簧将两个卡接臂向相反方向抵压,所述卡接臂的卡接头伸出齿座,所述齿座空腔还设置有顶杆和推动件,所述顶杆具有锥形顶起端,所述锥形顶起端与推动件的斜面配合,当顶杆向下运动时,锥形顶起端抵压推动件的斜面,从而使推动件左移使两个卡接臂向齿座内收缩。
进一步地,齿座上还设置有安装通孔。
进一步地,所述卡接臂具有圆弧面,所述齿尖越过圆弧面通过卡接块和卡接臂抵接。
本发明有益效果在于:安装拆卸方便,不需要破坏齿尖的表面结构,齿尖表面强度不会被破坏。
附图说明:
图1 斗齿整体结构示意图;
图2 齿尖示意图;
图3 顶杆结构示意图;
图4顶杆六角头结构示意图;
图5 推动件结构示意图;
图6 推动件A向斜面示意图;
图中 1、齿座,2、齿尖,2.1、尖部,2.2卡接块,2.3容纳腔,3、卡接臂,4、顶杆,4.1、锥形顶起端,4.2、内六角螺孔,5、压簧,6、连接销,7、销轴,8、推动件,8.1、抵压部,8.2、斜面,9、安装通孔。
具体实施方式:
下面结合附图对本发明作进一步说明。
如图1-6所示,本发明提供了一种挖掘机斗齿,包括齿座1和齿尖2,其特征在于:所述齿尖2具有尖部2.1、卡接块2.2和容纳腔2.3,所述齿座1内设置有空腔,所述空腔用于容纳卡接臂3、推动件8和顶杆4,卡接臂3通过销轴7设置在齿座1内部,两个卡接臂3之间连接有压簧5,所述压簧5两端通过连接销6与卡接臂3连接,所述压簧5将两个卡接臂3向相反方向抵压,所述卡接臂3的卡接头伸出齿座1,所述齿座1空腔还设置有顶杆4和推动件8,所述顶杆4具有锥形顶起端4.1,所述锥形顶起端4.1与推动件8的斜面配合,当顶杆4向下运动时,锥形顶起端4.1抵压推动件8的斜面,从而使推动件8左移,挤压卡接臂3使其向齿座空腔内收缩。齿座1上还设置有安装通孔9。所述卡接臂3具有圆弧面,所述齿尖2越过圆弧面通过卡接块2.2和卡接臂3抵接。
所述顶杆4与齿座1通过螺纹连接。
所述顶杆4上还设置有内六角螺孔4.2,当需要将齿尖2从齿座1上拆卸时,使用外部六角螺丝刀将顶杆4向内旋转,锥形顶起端4.1与推动件8的斜面配合,从而推动推动件8向左运动,推动件8为圆筒形,其一端封闭,呈一斜面结构,所述推动件8向左运动时圆筒部的上下两边抵压卡接臂3,两个卡接臂3绕销轴7向空腔内旋转,从而使卡接臂3脱离与卡接块2.2的配合,能够将齿尖2取下更换。
当需要安装新的齿尖2时,将顶杆4向外旋出,从而脱离与推动件8的抵压,在压簧5的作用下推动卡接臂3伸出齿座1外,两个卡接臂3推动推动件8使其复位。

Claims (3)

1.一种挖掘机斗齿,包括齿座1和齿尖2,其特征在于:所述齿尖2具有尖部2.1、卡接块2.2和容纳腔2.3,所述齿座1内设置有空腔,卡接臂3通过销轴7设置在齿座1内部,两个卡接臂3之间连接有压簧5,所述压簧5将两个卡接臂3向相反方向抵压,所述卡接臂3的卡接头伸出齿座1,所述齿座1空腔还设置有顶杆4和推动件8,所述顶杆4具有锥形顶起端,所述锥形顶起端与推动件8的斜面配合,当顶杆4向下运动时,锥形顶起端抵压推动件8的斜面,从而使推动件8左移使两个卡接臂3向齿座内收缩。
2.如权利要求1所述的挖掘机斗齿,其特征在于:齿座1上还设置有安装通孔9。
3.如权利要求2所述的挖掘机斗齿,其特征在于:所述卡接臂3具有圆弧面,所述齿尖2越过圆弧面通过卡接块2.2和卡接臂3抵接。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339146A (zh) * 2018-10-26 2019-02-15 马鞍山市润启新材料科技有限公司 一种挖掘机快换斗齿
CN112281976A (zh) * 2020-11-05 2021-01-29 南通謇辉贸易有限公司 一种挖掘机斗齿总成连接件
CN117403735A (zh) * 2023-11-29 2024-01-16 江西爱丽新材料科技有限公司 斗齿及斗齿组件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101153497A (zh) * 2006-09-26 2008-04-02 宁波浙东精密铸造有限公司 一种斗齿与齿座的连接结构
CN101768992A (zh) * 2008-12-30 2010-07-07 宁波浙东精密铸造有限公司 挖掘齿组件、齿座及斗齿
KR20100115141A (ko) * 2009-04-17 2010-10-27 중-칭 고 토목 건설 기계의 버킷 티스용 교체 및 구속 장치
KR20160099957A (ko) * 2015-02-13 2016-08-23 이상대 보호커버가 결합된 포크레인 버켓

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101153497A (zh) * 2006-09-26 2008-04-02 宁波浙东精密铸造有限公司 一种斗齿与齿座的连接结构
CN101768992A (zh) * 2008-12-30 2010-07-07 宁波浙东精密铸造有限公司 挖掘齿组件、齿座及斗齿
KR20100115141A (ko) * 2009-04-17 2010-10-27 중-칭 고 토목 건설 기계의 버킷 티스용 교체 및 구속 장치
KR20160099957A (ko) * 2015-02-13 2016-08-23 이상대 보호커버가 결합된 포크레인 버켓

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339146A (zh) * 2018-10-26 2019-02-15 马鞍山市润启新材料科技有限公司 一种挖掘机快换斗齿
CN112281976A (zh) * 2020-11-05 2021-01-29 南通謇辉贸易有限公司 一种挖掘机斗齿总成连接件
CN117403735A (zh) * 2023-11-29 2024-01-16 江西爱丽新材料科技有限公司 斗齿及斗齿组件
CN117403735B (zh) * 2023-11-29 2024-09-06 江西爱丽新材料科技有限公司 斗齿及斗齿组件

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