EP1528165A1 - Outil d'excavation respectivement de préhension. - Google Patents

Outil d'excavation respectivement de préhension. Download PDF

Info

Publication number
EP1528165A1
EP1528165A1 EP04020450A EP04020450A EP1528165A1 EP 1528165 A1 EP1528165 A1 EP 1528165A1 EP 04020450 A EP04020450 A EP 04020450A EP 04020450 A EP04020450 A EP 04020450A EP 1528165 A1 EP1528165 A1 EP 1528165A1
Authority
EP
European Patent Office
Prior art keywords
tooth
gripping tool
tooth tip
tool according
grave
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
Application number
EP04020450A
Other languages
German (de)
English (en)
Other versions
EP1528165B1 (fr
Inventor
Dirk Asam
Holf Mieger
Bernd Wager
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Hydraulikbagger GmbH
Original Assignee
Liebherr Hydraulikbagger GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liebherr Hydraulikbagger GmbH filed Critical Liebherr Hydraulikbagger GmbH
Publication of EP1528165A1 publication Critical patent/EP1528165A1/fr
Application granted granted Critical
Publication of EP1528165B1 publication Critical patent/EP1528165B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E02F9/2833—Retaining means, e.g. pins
    • E02F9/2841—Retaining means, e.g. pins resilient

Definitions

  • the invention relates to a grave tool, such as a spoon or a Blade, or gripping tool with a gripper shell, to the at least one Tooth tip is attached.
  • peel grab for material handling affected serve in particular the loading of bulk materials, fine and large scrap, Demolition material or for loading VA steels.
  • orange peel grabs for such a material handling it has been the Applicant so far common for worn gripper cup tips to separate and new gripper cup tips must be welded.
  • orange peel grabs known where there are screwable or pluggable tooth tips, after reaching the wear limit for new tips are replaced.
  • Object of the present invention is grave or gripping tools with a Gripper shell, in which at least one tooth tip is attached, so educate, that the replacement of at least one tooth tip cost and just done.
  • a generic Grave or gripping tool the features of the characterizing part of the claim 1 has. Accordingly, on the grave tool or on the gripping tool arranged at least one tooth holder, in which the at least one tooth tip insertable, trackable and secure in length. So it's at the bottom End of the claw shell provided a long tooth tip, which in an example welded-on tooth holder is guided and secured against failure.
  • the tooth holder is designed in a favorable shape, so that the penetration not disturbed.
  • the front opening of the tooth holder protrudes Tooth tip out so far out that the gripper closes well.
  • the tooth tip is designed such that it can be tracked in its length and fixable after appropriate tracking, that is securable.
  • the tooth holder and / or the tooth tip made of wear-resistant material For example, cast steel exist.
  • the tooth tip can be arranged in several steps on one side Have pockets, wherein in the tooth holder at the appropriate place Breakthrough is provided so that the pockets are accessible from the outside. hereby can after appropriate release of the locking pins by inserting a corresponding tool and an associated hammer the tooth tip knocked out, that is relaxed and moved forward.
  • the tooth tip can laterally several holes have, which forms a hole pattern for receiving fuse elements.
  • screw or clamping elements such as wedges, Tensioning tongues or the like can be used.
  • Tooth tips can be used highly wear-resistant steels, because it does not matter here because of the solution according to the invention that These steels would have to be welded.
  • FIG. 1 shows a construction-type grabber tray 10 whose tip has been cut to length. Instead of the cut-to-length tip, a tooth holder 12 is welded to the claw shell 10, having a receiving bore for receiving a tooth tip 14.
  • the tooth tip 14 is made of wear-resistant cast steel.
  • the shape of the tooth tip results in particular from the sectional views according to the figures 3 and 4.
  • the tooth tip is a row has juxtaposed holes 16 which a hole pattern for recording form of safety pins.
  • the locking pins 18 can, as in Figure 4 shown on the one hand by the holes in the tooth tip 14 and on the other be plugged through corresponding holes in the tooth holder 12.
  • Preferably are so-called Connex-Schwerspannite.
  • Embodiment are, as shown in Figures 1, 3 and 4, two adjacent Locking pins 18 provided.
  • the locking pins 18 can be removed and the tooth tip can be pulled out around a hole pattern so that the Retaining pins can be taken again.
  • the tooth tip 14 In order to drive out the tooth tip 14, it has a staircase at one end arranged pockets 20, which form a kind of stair gearing. By a corresponding opening 22 in the tooth holder 12 may be a tool for expelling engage the tooth tip in the stair gearing. By means of this not closer shown tool that can be designed similar to a chisel, and a Hammer, the tooth tip 14 can be expelled.
  • About the tooth holder 12 may additionally wear plate 24 use Find.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Confectionery (AREA)
  • Table Equipment (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP04020450A 2003-10-29 2004-08-27 Outil d'excavation ou de préhension Not-in-force EP1528165B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10350540 2003-10-29
DE10350540A DE10350540A1 (de) 2003-10-29 2003-10-29 Grab- bzw.Greifwerkzeug

Publications (2)

Publication Number Publication Date
EP1528165A1 true EP1528165A1 (fr) 2005-05-04
EP1528165B1 EP1528165B1 (fr) 2008-07-16

Family

ID=34399602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04020450A Not-in-force EP1528165B1 (fr) 2003-10-29 2004-08-27 Outil d'excavation ou de préhension

Country Status (4)

Country Link
US (1) US20050097789A1 (fr)
EP (1) EP1528165B1 (fr)
AT (1) ATE401465T1 (fr)
DE (2) DE10350540A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106759630A (zh) * 2016-12-20 2017-05-31 东莞市天合机电开发有限公司 一种挖掘机斗齿的连接结构
CN106836367A (zh) * 2016-12-30 2017-06-13 永平县建达鑫鑫合金铸造有限公司 一种高强度斗齿及其齿尖的模锻方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004003910U1 (de) * 2004-03-12 2005-07-21 Liebherr-Hydraulikbagger Gmbh Greifwerkzeug
ES2881024T3 (es) * 2015-01-28 2021-11-26 Esco Group Llc Pico de extracción de minerales, soporte y combinación
CN107476373A (zh) * 2017-08-16 2017-12-15 江苏洛克精密铸造有限公司 一种新型挖掘机斗齿铸件

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US623645A (en) * 1899-04-25 Cultivator-tooth
GB103025A (en) * 1916-02-24 1917-01-11 Whitakers Engineers Ltd Improvements in or relating to the Digging Tools of Steam Navvy Buckets.
US1540314A (en) * 1924-06-19 1925-06-02 American Manganese Steel Co Pocketed bottom for excavating dippers
US2828558A (en) * 1956-01-27 1958-04-01 Richard B Reinhard Earth-moving equipment cutting edge construction
GB941766A (en) * 1961-12-15 1963-11-13 Otto Falkenroth Steinbach Loading devices shovel tooth
FR1454279A (fr) * 1965-11-17 1966-07-22 Caterpillar Tractor Co Instrument à défoncer le sol
US3601203A (en) * 1968-10-22 1971-08-24 Caterpillar Tractor Co Reversible ripper tip
US3659654A (en) * 1967-11-29 1972-05-02 Caterpillar Tractor Co Adjustable ripper tip
US3755933A (en) * 1971-12-17 1973-09-04 E Lowrey Digger tooth and mounting therefor
JPS5026302A (fr) * 1973-07-11 1975-03-19
JPH05311703A (ja) * 1989-12-22 1993-11-22 Maginaararuko Alfred 保持用クランプ及び切削刃組立体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US819390A (en) * 1904-06-16 1906-05-01 Thomas J Warren Plow.
US3550691A (en) * 1967-11-29 1970-12-29 Caterpillar Tractor Co Adjustable ripper tip
US3536147A (en) * 1968-01-10 1970-10-27 Caterpillar Tractor Co Replaceable ripper tip assembly
US4899830A (en) * 1987-05-21 1990-02-13 Maguina Larco Alfredo Cutting tooth assembly for heavy duty earth working machines

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US623645A (en) * 1899-04-25 Cultivator-tooth
GB103025A (en) * 1916-02-24 1917-01-11 Whitakers Engineers Ltd Improvements in or relating to the Digging Tools of Steam Navvy Buckets.
US1540314A (en) * 1924-06-19 1925-06-02 American Manganese Steel Co Pocketed bottom for excavating dippers
US2828558A (en) * 1956-01-27 1958-04-01 Richard B Reinhard Earth-moving equipment cutting edge construction
GB941766A (en) * 1961-12-15 1963-11-13 Otto Falkenroth Steinbach Loading devices shovel tooth
FR1454279A (fr) * 1965-11-17 1966-07-22 Caterpillar Tractor Co Instrument à défoncer le sol
US3659654A (en) * 1967-11-29 1972-05-02 Caterpillar Tractor Co Adjustable ripper tip
US3601203A (en) * 1968-10-22 1971-08-24 Caterpillar Tractor Co Reversible ripper tip
US3755933A (en) * 1971-12-17 1973-09-04 E Lowrey Digger tooth and mounting therefor
JPS5026302A (fr) * 1973-07-11 1975-03-19
JPH05311703A (ja) * 1989-12-22 1993-11-22 Maginaararuko Alfred 保持用クランプ及び切削刃組立体

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 18 5 June 2001 (2001-06-05) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106759630A (zh) * 2016-12-20 2017-05-31 东莞市天合机电开发有限公司 一种挖掘机斗齿的连接结构
CN106759630B (zh) * 2016-12-20 2018-12-25 泉州市蜀行者贸易有限公司 一种挖掘机斗齿的连接结构
CN106836367A (zh) * 2016-12-30 2017-06-13 永平县建达鑫鑫合金铸造有限公司 一种高强度斗齿及其齿尖的模锻方法

Also Published As

Publication number Publication date
DE10350540A1 (de) 2005-06-09
US20050097789A1 (en) 2005-05-12
ATE401465T1 (de) 2008-08-15
EP1528165B1 (fr) 2008-07-16
DE502004007600D1 (de) 2008-08-28

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