JP2004218417A - 掘削用切刃 - Google Patents
掘削用切刃 Download PDFInfo
- Publication number
- JP2004218417A JP2004218417A JP2003368934A JP2003368934A JP2004218417A JP 2004218417 A JP2004218417 A JP 2004218417A JP 2003368934 A JP2003368934 A JP 2003368934A JP 2003368934 A JP2003368934 A JP 2003368934A JP 2004218417 A JP2004218417 A JP 2004218417A
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- JP
- Japan
- Prior art keywords
- excavation
- cutting edge
- hard
- wear
- resistant layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- E02F9/285—Teeth characterised by the material used
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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
【解決手段】上面2と下面3との会合部分に切刃先部5を形成する掘削用切刃1であって、上面2のほぼ中央部の軸線方向に硬質肉盛部7と下面3のほぼ両端部の軸線方向に硬質肉盛部8,8を形成する。
【選択図】図1
Description
一方の面と他方の面との会合部分に掘削刃先を形成する掘削用切刃であって、一方の面のほぼ中央部と他方の面のほぼ両端部に軸線方向に硬質耐摩耗層を形成することを特徴とするものである(第1発明)。
2,2A 上面
3,3A 下面
5,5A 刃先部
6 嵌合部
7,7a,7A,7A',8,8',8a,8A 硬質肉盛部
Claims (5)
- 一方の面と他方の面との会合部分に掘削刃先を形成する掘削用切刃であって、一方の面のほぼ中央部と他方の面のほぼ両端部に軸線方向に硬質耐摩耗層を形成することを特徴とする掘削用切刃。
- 前記掘削用切刃の肉厚が15mm以上の範囲に前記硬質耐摩耗層が配置されている請求項1に記載の掘削用切刃。
- 前記一方の面に配される硬質耐摩耗層と前記他方の面に配される硬質耐摩耗層とは、その幅方向の端部が平面的に見て同位置に設けられるか、または切刃の肉厚の1/2に相当する距離以下で重なり合うように設けられる請求項1または2に記載の掘削用切刃。
- 前記一方の面に配される硬質耐摩耗層と前記他方の面に配される硬質耐摩耗層とは、その幅方向の端部が平面的に見て重なり合わないように設けられる請求項1または2に記載の掘削用切刃。
- 前記掘削用切刃の横断面における前記一方並びに他方の両面に設けられる硬質耐摩耗層の幅の和は、その切刃の幅の50%より大きくされている請求項3または4に記載の掘削用切刃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003368934A JP4439238B2 (ja) | 2002-12-25 | 2003-10-29 | 掘削用切刃 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002373730 | 2002-12-25 | ||
JP2003368934A JP4439238B2 (ja) | 2002-12-25 | 2003-10-29 | 掘削用切刃 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004218417A true JP2004218417A (ja) | 2004-08-05 |
JP4439238B2 JP4439238B2 (ja) | 2010-03-24 |
Family
ID=32911049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003368934A Expired - Fee Related JP4439238B2 (ja) | 2002-12-25 | 2003-10-29 | 掘削用切刃 |
Country Status (1)
Country | Link |
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JP (1) | JP4439238B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100937341B1 (ko) | 2009-10-22 | 2010-01-20 | 주식회사 태강기업 | 크레인그래브의 그래플 투스 |
JP5373169B1 (ja) * | 2012-10-10 | 2013-12-18 | 株式会社小松製作所 | 掘削爪および掘削爪用ボディ |
US20190368164A1 (en) * | 2016-11-17 | 2019-12-05 | Doosan Infracore Co., Ltd. | Construction machine bucket part and manufacturing method therefor |
-
2003
- 2003-10-29 JP JP2003368934A patent/JP4439238B2/ja not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100937341B1 (ko) | 2009-10-22 | 2010-01-20 | 주식회사 태강기업 | 크레인그래브의 그래플 투스 |
JP5373169B1 (ja) * | 2012-10-10 | 2013-12-18 | 株式会社小松製作所 | 掘削爪および掘削爪用ボディ |
WO2014057693A1 (ja) * | 2012-10-10 | 2014-04-17 | 株式会社小松製作所 | 掘削爪および掘削爪用ボディ |
CN103874808A (zh) * | 2012-10-10 | 2014-06-18 | 株式会社小松制作所 | 挖掘爪及挖掘爪用主体 |
KR20140116151A (ko) * | 2012-10-10 | 2014-10-01 | 가부시키가이샤 고마쓰 세이사쿠쇼 | 굴착 클로 및 굴착 클로용 보디 |
CN103874808B (zh) * | 2012-10-10 | 2015-01-21 | 株式会社小松制作所 | 挖掘爪及挖掘爪用主体 |
US9009996B2 (en) | 2012-10-10 | 2015-04-21 | Komatsu Ltd. | Excavating tooth and body for excavating tooth |
DE112013000307B4 (de) * | 2012-10-10 | 2015-08-13 | Komatsu Ltd. | Baggerzahn und Grundkörper für Baggerzahn |
KR101634023B1 (ko) | 2012-10-10 | 2016-06-27 | 가부시키가이샤 고마쓰 세이사쿠쇼 | 굴착 클로 및 굴착 클로용 보디 |
US20190368164A1 (en) * | 2016-11-17 | 2019-12-05 | Doosan Infracore Co., Ltd. | Construction machine bucket part and manufacturing method therefor |
US11814819B2 (en) * | 2016-11-17 | 2023-11-14 | Doosan Infracore Co., Ltd | Construction machine bucket part and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
JP4439238B2 (ja) | 2010-03-24 |
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