JP6512779B2 - 箱状セクションアーム、その製造方法、及びそのアームを有する掘削機 - Google Patents
箱状セクションアーム、その製造方法、及びそのアームを有する掘削機 Download PDFInfo
- Publication number
- JP6512779B2 JP6512779B2 JP2014183412A JP2014183412A JP6512779B2 JP 6512779 B2 JP6512779 B2 JP 6512779B2 JP 2014183412 A JP2014183412 A JP 2014183412A JP 2014183412 A JP2014183412 A JP 2014183412A JP 6512779 B2 JP6512779 B2 JP 6512779B2
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- Prior art keywords
- box
- welding
- protrusions
- pivot axis
- section arm
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000003466 welding Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
- B23K33/008—Filling of continuous seams for automotive applications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/08—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for flash removal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Body Structure For Vehicles (AREA)
- Shovels (AREA)
Description
Claims (12)
- 両端間に短手方向の枢動軸を画定する掘削機用の箱状セクションアームを製造する方法であって、
前記箱状セクションアームの一側が、前記枢動軸に整合する短手方向平面に一致する複数の実質的に平坦な板部材を含み、
各板部材は、互いに隣接する端において短手方向に対向する突出部を含み、
前記方法は、
短手方向の溶接を行って前記板部材を一緒にすることであって、前記溶接は、一側の突出部で開始し、かつ、対向側の突出部で終了することと、
両側において前記突出部及び溶接部の部分的な除去を行うことと
を含む方法。 - 前記短手方向の溶接を行うステップは連続肉盛溶接による、請求項1に記載の方法。
- 前記板部材の隣接端を面取りして、前記短手方向の溶接のための「V」字形状のスロットを設ける予備的ステップを含む、請求項1又は2に記載の方法。
- 前記枢動軸は、前記箱状セクションアームの両側にあって前記板部材間の橋渡しをする環状軸受によって画定され、
前記方法は、前記環状軸受を前記板部材に溶接するステップを含む、請求項1から3のいずれか一項に記載の方法。 - 前記枢動軸は、前記箱状セクションアームの、前記板部材に直接隣接する一側に位置決めされる、請求項4に記載の方法。
- 前記環状軸受はそれぞれ、前記枢動軸まわりに共通軸を備えた外向き円形ボスを含み、
前記突出部は、各ボス未満の突出となるように除去される、請求項4又は5に記載の方法。 - 前記突出部は、長さが約50〜75%だけ低減される、請求項1から6のいずれか一項に記載の方法。
- 前記突出部は、長さが10〜20mmだけ低減される、請求項1から6のいずれか一項に記載の方法。
- 前記突出部は、前記部分的な除去の後、5〜15mmだけ突出する、請求項1から6のいずれか一項に記載の方法。
- 前記部分的な除去のステップは研削による、請求項1から9のいずれか一項に記載の方法。
- 両端間に短手方向の枢動軸を画定する掘削機用の箱状セクションアームであって、
前記箱状セクションアームの一側が、前記枢動軸に整合する短手方向平面に一致する2つの実質的に平坦な板部材を含み、
各板部材は、互いに隣接する端において短手方向に対向する突出部を含み、
前記突出部間には連続溶接ビードが突出し、
前記突出部は、10〜20mmだけ突出し、かつ、面一な端面を有する箱状セクションアーム。 - 請求項11に記載の箱状セクションアームを有する掘削機。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1316070.0 | 2013-09-10 | ||
GB1316070.0A GB2518000B (en) | 2013-09-10 | 2013-09-10 | Welded component and method of fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015054350A JP2015054350A (ja) | 2015-03-23 |
JP6512779B2 true JP6512779B2 (ja) | 2019-05-15 |
Family
ID=49486978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014183412A Active JP6512779B2 (ja) | 2013-09-10 | 2014-09-09 | 箱状セクションアーム、その製造方法、及びそのアームを有する掘削機 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9856624B2 (ja) |
EP (1) | EP2845953B1 (ja) |
JP (1) | JP6512779B2 (ja) |
KR (1) | KR20150029598A (ja) |
CN (1) | CN104416261B (ja) |
BR (1) | BR102014022303B1 (ja) |
GB (1) | GB2518000B (ja) |
IN (1) | IN2014DE02581A (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107859079A (zh) * | 2016-09-22 | 2018-03-30 | 日立建机株式会社 | 前作业装置及挖掘机 |
US10688600B2 (en) | 2016-12-13 | 2020-06-23 | Caterpillar Inc. | Structure having stress protected groove weld and structural members forming the same |
US10981253B2 (en) | 2016-12-13 | 2021-04-20 | Caterpillar Inc. | Structure having stress protected groove weld and structural members forming the same |
KR102575850B1 (ko) | 2017-04-19 | 2023-09-06 | 클라크 이큅먼트 컴파니 | 동력기계용 로더 리프트 암 조립체 |
CN107956227A (zh) * | 2017-12-12 | 2018-04-24 | 肖水顺 | 中销孔贴板式摇臂 |
DE102019110607A1 (de) * | 2019-04-24 | 2020-10-29 | Liebherr-France Sas | Ausrüstungsbauteil |
CN113073694B (zh) * | 2021-04-14 | 2022-05-17 | 山推工程机械股份有限公司 | 一种枢轴箱、台车架及推土机 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4392314A (en) * | 1982-02-16 | 1983-07-12 | J. I. Case Company | Boom and dipper stick construction |
JP3567366B2 (ja) * | 1999-10-22 | 2004-09-22 | 新キャタピラー三菱株式会社 | 作業機械の作業腕構造 |
JP2004092210A (ja) | 2002-08-30 | 2004-03-25 | Komatsu Ltd | 作業機 |
DE602004031618D1 (de) * | 2003-06-30 | 2011-04-14 | Hitachi Construction Machinery | Verfahren für die herstellung eines arbeitsarms einer baumaschine. |
WO2012157675A1 (ja) * | 2011-05-19 | 2012-11-22 | 日立建機株式会社 | 建設機械用アーム |
KR101821275B1 (ko) * | 2011-05-19 | 2018-01-23 | 히다치 겡키 가부시키 가이샤 | 건설 기계용 아암 |
CN202390866U (zh) * | 2011-12-20 | 2012-08-22 | 中联重科股份有限公司 | 挖掘机斗杆及挖掘机 |
JP2013147794A (ja) | 2012-01-17 | 2013-08-01 | Hitachi Constr Mach Co Ltd | 建設機械用アーム |
-
2013
- 2013-09-10 GB GB1316070.0A patent/GB2518000B/en active Active
-
2014
- 2014-09-09 EP EP14184019.9A patent/EP2845953B1/en active Active
- 2014-09-09 US US14/481,724 patent/US9856624B2/en active Active
- 2014-09-09 JP JP2014183412A patent/JP6512779B2/ja active Active
- 2014-09-09 BR BR102014022303-7A patent/BR102014022303B1/pt active IP Right Grant
- 2014-09-10 CN CN201410459231.9A patent/CN104416261B/zh active Active
- 2014-09-10 IN IN2581DE2014 patent/IN2014DE02581A/en unknown
- 2014-09-11 KR KR20140120252A patent/KR20150029598A/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US20150071752A1 (en) | 2015-03-12 |
EP2845953A1 (en) | 2015-03-11 |
BR102014022303A8 (pt) | 2018-06-05 |
BR102014022303A2 (pt) | 2016-05-31 |
CN104416261B (zh) | 2018-11-27 |
JP2015054350A (ja) | 2015-03-23 |
BR102014022303B1 (pt) | 2020-10-20 |
GB2518000A (en) | 2015-03-11 |
US9856624B2 (en) | 2018-01-02 |
IN2014DE02581A (ja) | 2015-06-26 |
CN104416261A (zh) | 2015-03-18 |
KR20150029598A (ko) | 2015-03-18 |
EP2845953B1 (en) | 2017-03-01 |
GB201316070D0 (en) | 2013-10-23 |
GB2518000B (en) | 2017-05-31 |
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