EP1567728A1 - Profil für tieflöffel- und ladeschaufelausrüstungen eines baggers sowie verfahren zur herstellung desselben - Google Patents
Profil für tieflöffel- und ladeschaufelausrüstungen eines baggers sowie verfahren zur herstellung desselbenInfo
- Publication number
- EP1567728A1 EP1567728A1 EP03799468A EP03799468A EP1567728A1 EP 1567728 A1 EP1567728 A1 EP 1567728A1 EP 03799468 A EP03799468 A EP 03799468A EP 03799468 A EP03799468 A EP 03799468A EP 1567728 A1 EP1567728 A1 EP 1567728A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- end regions
- profile
- side walls
- cross
- profile according
- Prior art date
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000003466 welding Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49616—Structural member making
- Y10T29/49622—Vehicular structural member making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
- Y10T29/49941—Peripheral edge joining of abutting plates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49966—Assembling or joining by applying separate fastener with supplemental joining
- Y10T29/49968—Metal fusion joining
Definitions
- the invention relates to a welded profile for backhoe and loader bucket equipment of an excavator, such as booms and sticks, including upper and lower chords and side walls that are operatively connected to them.
- US-A 4,034,876 shows a boom construction for a hydraulic excavator and a method for manufacturing the boom.
- the boom has a curved outer contour and has an upper and lower flange and two side walls between them.
- the wall areas are provided with the formation of cross-sectional tapering, both on the upper and on the lower flange, with further reinforcing support elements being arranged in the inner region.
- Separate bearing areas are welded in the area of the top chord to accommodate the cylinder mounting points. This type of welded connection creates undesirable stresses in highly stressed local areas.
- JP-A 11 021 939 in which cross-sectionally smaller side walls are introduced between the upper and lower belts provided with thickened end regions.
- the boom includes a boomerang shape with the boom end of the boom mounted on a vehicle body and an arm provided at the front end of the boom.
- the boom body is hollow and has a triangular cross section.
- the invention has for its object to develop a welded profile described in the generic part of the first claim for backhoe and loader bucket equipment in such a way that a reduction of stresses is brought about in highly stressed local areas.
- the structure of the profile is intended to shift the weld seams to areas of lower stress, so that the notch effect of the weld seams is less important, which ultimately leads to an increase in the life of the components themselves.
- the side walls are provided with upper and lower profile-reinforced end regions which form corner regions for the upper and lower belts arranged between the end regions.
- the invention proposes that the side walls have upper and lower profile-reinforced end areas, in particular by welding be connected that the lower flange is placed between the associated end regions and is therefore connected by welding, and that the upper flange is placed between the associated end regions and is connected to it by welding technology.
- the weld seams are shifted to areas of lower stress, so that the notch effect of the weld seams can be significantly reduced.
- This measure can increase the lifespan of the components, in particular the boom and arm of excavators, in particular hydraulic excavators.
- the application of the subject matter of the invention is particularly interesting Large hydraulic excavators, such as those used in mine operations. Such devices are used in the most difficult terrain, with material fatigue being noticeable in a cost-intensive manner, since the excavator fails over a longer period of time if damage occurs.
- the upper and lower chords of the proposed profile are placed between the side walls, in particular the associated thickened end regions, and are connected thereto by welding.
- the respective end areas reinforced by the material cross section are formed analogously to the side walls - corresponding to the respective contour of the boom and stick - and are welded together.
- Another advantage of the proposed profile is that by integrating the mounting points for the cylinder and hydraulic system in the upper-belt-side profile-reinforced end areas, all weld seams still present at these points can be omitted.
- FIG. 1 schematic diagram of a provided with a backhoe equipment
- FIG. 2 basic sketch of a hydraulic excavator provided with loading shovel equipment
- FIG. 1 shows a hydraulic excavator 1, including an uppercarriage 2 and an undercarriage 4 provided with crawler tracks 3.
- the hydraulic excavator 1 has a backhoe equipment 5, including a boom 6 and a stick 7, and a bucket 8.
- a hydraulic cylinder 9 Via a hydraulic cylinder 9 the boom 6 on the superstructure 2 is shifted.
- a further hydraulic cylinder 10 extends between a receiving profile 11, which is connected to the boom 6 by welding technology, and one arm end 12.
- a further hydraulic cylinder 13 extends between a bearing point 14 on the arm side and a bearing region 15 on the blade side, which is designed in the form of a lever arm frame.
- FIG. 2 shows a basic sketch of a hydraulic excavator 1 'provided with loading shovel equipment 5'.
- Loading shovel equipment 5 ' are the boom 6', the stick 7 'and the loading shovel 8'.
- FIG. 3 shows the boom 6 shown in principle in Figure 1, including the features of the invention.
- the boom 6 has a lower flange 16, an upper flange 17, side walls 18 and profile-reinforced upper and lower end regions 19, 20.
- the parallel side walls 18 are welded to upper and lower profile-reinforced end regions 19, 20 which form the corner regions for the upper 17 and lower chords 16 arranged between the end regions 19, 20.
- the base bearing 22 is in accordance with the cross section given in the connection area 23 Boom 6 or 6 'shaped and connected to this by welding. The same applies to the fork-shaped receiving area 24 for the stem 7 according to FIG. 1.
- the bearing area 21 ′ provided in the side walls 18 serves to accommodate the one end of the hydraulic cylinder 9 shown in FIG. 1.
- Figures 4 to 8 show different cross sections of arms 6, as shown for example in Figure 3.
- the following components can be seen: the lower flange 16, the upper flange 17, the side walls 18, the profile-reinforced lower end region 20 and the bearing regions 21 integrated into the upper reinforced end regions 19.
- the side walls 18 are formed with the profile-reinforced end regions 19, 20 in cross section
- the area of the connection points 25, 26 is welded together.
- FIGS. 4 to 8 Differences between FIGS. 4 to 8 can be seen in the fact that the profile-reinforced end regions are provided with cross-section-reducing regions 27, 28 that are flush with the inside, flush with the center, or centered, which means that a profile with a smooth inner contour 29 (FIG. 5) and a profile with it a smooth outer contour 30 (FIG. 4) and a profile with side walls 18 (FIG. 6) attached centrally to the profile-reinforced end regions 19, 20 are formed in a box shape.
- the person skilled in the art will adapt the suitable contour to the respective application.
- the lower flange 16 is flush with the associated end region 20 in all cases.
- the upper flange 17 is placed between the respective end regions 19 and is welded to the lower flange analogously to the lower flange.
- FIG. 7 alternative cross-sectional areas 27, 28 are shown.
- the mounting points 21 for the cylinders 10 shown in FIG. 1 are integrated in the profiles 11, while in the other figures they protrude beyond the outer contours.
- An essentially polygonal inner contour 31 is produced, smooth outer contours 30 being formed.
- FIG. 8 shows a combination of cross-section-reducing regions 27, 28, as can be seen in FIGS. 4 and 6.
- the upper and lower chords 16 are connected in the region of the thicker profile cross sections of the end regions 19, 20. Due to the structure of the profile, the weld seams are shifted to areas with lower stresses, whereby the notch effect of the weld seams is reduced, which leads to a not inconsiderable increase in the service life of the components.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10257041A DE10257041B3 (de) | 2002-12-06 | 2002-12-06 | Profil für Tieflöffel und -Ladeschaufelausrüstungen eines Baggers sowie Verfahren zur Herstellung desselben |
DE10257041 | 2002-12-06 | ||
PCT/EP2003/013544 WO2004053241A1 (de) | 2002-12-06 | 2003-12-02 | Profil für tieflöffel- und ladeschaufelausrüstungen eines baggers sowie verfahren zur herstellung desselben |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1567728A1 true EP1567728A1 (de) | 2005-08-31 |
EP1567728B1 EP1567728B1 (de) | 2009-07-08 |
Family
ID=32477437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03799468A Expired - Lifetime EP1567728B1 (de) | 2002-12-06 | 2003-12-02 | Profil für tieflöffel- und ladeschaufelausrüstungen eines baggers sowie verfahren zur herstellung desselben |
Country Status (8)
Country | Link |
---|---|
US (1) | US7814730B2 (de) |
EP (1) | EP1567728B1 (de) |
CN (1) | CN100465391C (de) |
AU (1) | AU2003299297B2 (de) |
CA (1) | CA2507593C (de) |
DE (2) | DE10257041B3 (de) |
WO (1) | WO2004053241A1 (de) |
ZA (1) | ZA200504093B (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006005892A1 (de) * | 2006-02-09 | 2007-08-23 | Cnh Baumaschinen Gmbh | Tragarm für eine Arbeitsmaschine |
US20080129460A1 (en) * | 2006-12-01 | 2008-06-05 | Abraham Thomas C | Radio Frequency Identification Systems |
JP5592994B2 (ja) * | 2011-04-20 | 2014-09-17 | 日立建機株式会社 | 建設機械用ブーム |
US9290363B2 (en) * | 2011-07-21 | 2016-03-22 | Manitowoc Crane Companies, Llc | Tailor welded panel beam for construction machine and method of manufacturing |
US9121163B2 (en) * | 2011-09-20 | 2015-09-01 | Deere & Company | Exoskeleton boom structure |
ITMI20120206A1 (it) * | 2012-02-14 | 2013-08-15 | Cifa Spa | Segmento di un braccio articolato e braccio articolato comprendente detto segmento |
US8959974B2 (en) * | 2012-08-08 | 2015-02-24 | Krip, LLC | Fabrication member |
CN103231207B (zh) * | 2013-04-09 | 2015-10-28 | 常熟建工建设集团有限公司苏州分公司 | 一种挖掘机铲斗的制作方法 |
EP3140070B1 (de) * | 2014-05-09 | 2018-08-22 | Esab AB | Ergonomischer schweissarm mit mehreren armverbindungen und gelenken |
JP6301754B2 (ja) * | 2014-06-26 | 2018-03-28 | 株式会社神戸製鋼所 | 板材及びこれを備えた建設機械のアタッチメント並びにアタッチメントの製造方法 |
CN104209698B (zh) * | 2014-06-26 | 2017-01-11 | 南京梅山冶金发展有限公司 | 一种井下铲运机铲斗制作方法 |
DE102016112748A1 (de) * | 2016-07-12 | 2018-01-18 | Schwing Gmbh | Großmanipulator mit gewichtoptimiertem Knickmast |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2984373A (en) * | 1958-07-16 | 1961-05-16 | Warner Swasey Co | Material handling apparatus |
DE2317595A1 (de) | 1973-04-07 | 1974-10-31 | Kaspar Klaus | Teleskopierbare einheit, insbesondere fuer hebezeuge |
US4034876A (en) * | 1974-05-28 | 1977-07-12 | Caterpillar Tractor Co. | Boom construction and method for making same |
US4016688A (en) * | 1975-05-27 | 1977-04-12 | Fmc Corporation | Extensible crane boom structure |
GB1599403A (en) * | 1977-07-12 | 1981-09-30 | Massey Ferguson Perkins Ltd | Booms for lifting machines particularly backhoes |
US4216895A (en) * | 1977-10-21 | 1980-08-12 | J. I. Case Company | Method of forming hollow boom |
US4257201A (en) * | 1979-04-19 | 1981-03-24 | American Hoist & Derrick Company | Self-centering telescoping beams |
BR8009053A (pt) * | 1980-04-09 | 1982-03-09 | Caterpillar Tractor Co | Estrutura sustentadora de carga e metodo para a sua fabriccao |
US4337601A (en) * | 1980-04-24 | 1982-07-06 | Harnischfeger Corporation | High-strength light-weight boom section for telescopic crane boom |
GB8819535D0 (en) * | 1988-08-17 | 1988-09-21 | British Aerospace | Wing flap track beams for aircraft |
JPH0726415B2 (ja) * | 1989-12-13 | 1995-03-22 | 株式会社クボタ | 作業機のブームアセンブリ |
CN2127092Y (zh) * | 1992-06-03 | 1993-02-17 | 建设部长沙建筑机械研究所 | 自装高卸翻斗(叉)车 |
AU4791893A (en) * | 1992-07-27 | 1994-02-14 | Gilmore Transportation Services, Inc. | Coupling for heavy-duty machine |
JPH09125441A (ja) * | 1995-10-27 | 1997-05-13 | Komatsu Ltd | 油圧ショベルの作業機のアーム |
CN2273736Y (zh) * | 1996-10-21 | 1998-02-04 | 苏锦成 | 挖掘机斗杆 |
JPH1121939A (ja) * | 1997-06-27 | 1999-01-26 | Komatsu Ltd | 溶接箱形部材 |
GB2343174B (en) * | 1997-07-15 | 2001-10-31 | Komatsu Mfg Co Ltd | Boom of bucket type excavator and producing method thereof |
JP2001020311A (ja) * | 1999-07-02 | 2001-01-23 | Hitachi Constr Mach Co Ltd | コーナ部材を使用した構造体、その製造方法、アームおよび作業車両 |
-
2002
- 2002-12-06 DE DE10257041A patent/DE10257041B3/de not_active Expired - Fee Related
-
2003
- 2003-12-02 US US10/537,772 patent/US7814730B2/en active Active
- 2003-12-02 EP EP03799468A patent/EP1567728B1/de not_active Expired - Lifetime
- 2003-12-02 DE DE50311694T patent/DE50311694D1/de not_active Expired - Lifetime
- 2003-12-02 CN CNB2003801051689A patent/CN100465391C/zh not_active Expired - Lifetime
- 2003-12-02 AU AU2003299297A patent/AU2003299297B2/en not_active Expired
- 2003-12-02 WO PCT/EP2003/013544 patent/WO2004053241A1/de active Application Filing
- 2003-12-02 CA CA2507593A patent/CA2507593C/en not_active Expired - Lifetime
-
2005
- 2005-05-20 ZA ZA200504093A patent/ZA200504093B/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004053241A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2003299297B2 (en) | 2009-09-10 |
EP1567728B1 (de) | 2009-07-08 |
US20060021264A1 (en) | 2006-02-02 |
ZA200504093B (en) | 2006-03-29 |
AU2003299297A1 (en) | 2004-06-30 |
CA2507593A1 (en) | 2004-06-24 |
DE10257041B3 (de) | 2004-08-19 |
WO2004053241A1 (de) | 2004-06-24 |
CA2507593C (en) | 2010-04-06 |
US7814730B2 (en) | 2010-10-19 |
DE50311694D1 (de) | 2009-08-20 |
CN1720376A (zh) | 2006-01-11 |
CN100465391C (zh) | 2009-03-04 |
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