EP1548192B1 - Dent rabattable - Google Patents

Dent rabattable Download PDF

Info

Publication number
EP1548192B1
EP1548192B1 EP20040028688 EP04028688A EP1548192B1 EP 1548192 B1 EP1548192 B1 EP 1548192B1 EP 20040028688 EP20040028688 EP 20040028688 EP 04028688 A EP04028688 A EP 04028688A EP 1548192 B1 EP1548192 B1 EP 1548192B1
Authority
EP
European Patent Office
Prior art keywords
cutting
tooth
pivot bearing
hinged
steering arm
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.)
Not-in-force
Application number
EP20040028688
Other languages
German (de)
English (en)
Other versions
EP1548192A1 (fr
Inventor
Maximilian Arzberger
Ignaz Seitle
Ludwig Andreas Huber
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen 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 Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to PL04028688T priority Critical patent/PL1548192T3/pl
Publication of EP1548192A1 publication Critical patent/EP1548192A1/fr
Application granted granted Critical
Publication of EP1548192B1 publication Critical patent/EP1548192B1/fr
Anticipated expiration legal-status Critical
Not-in-force legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • 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
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
    • 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
    • E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements
    • 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
    • Y10T83/00—Cutting
    • Y10T83/909—Cutter assemblage or cutter element therefor [e.g., chain saw chain]

Definitions

  • the invention relates to a folding tooth for a cutting wheel with a pivot bearing, for pivotally holding on a pivot pin on a Fräsradnabe, extending away from the pivot bearing Fräszahnhalter and extending from the pivot bearing substantially opposite to the direction of the Fräszahnhalters away control arm.
  • folding teeth are from the EP 0 291 027 B1 known, which also goes back to the applicant.
  • the EP 0 291 027 B1 proposed to store hingedly adjacent to the bearing plate cutting teeth on the cutting wheels.
  • the folding teeth can be folded into an area below the milling blade to work off underlying ground area, while in a further rotation of the cutting wheel, the folding teeth are folded back so that the bearing plate is not damaged by the cutting teeth.
  • folding teeth for cutting wheels are in the publications EP 1 350 893 A1 and FR 2 805 552 A1 described.
  • the folding of the folding tooth is carried out in each case by a piston arranged on the cutting wheel.
  • DE 39 26 976 A1 discloses a device for introducing a substantially vertical bottom slot in the course of producing a sealing and supporting wall with a pivotable Räumtechnik. This is designed as a two-armed pivot lever having a cutting tool at the outer end.
  • the folding teeth are exposed by their necessary inclination quite significant forces and loads, especially when harder ground or rocky ground must be edited.
  • the known folding teeth are thus exposed to very heavy wear and can also suffer premature damage, which make an early replacement necessary.
  • An exchange of the folding teeth leads Not only relatively long and therefore costly downtime of the investment-intensive trench wall cutter, but the folding teeth are relatively expensive because of their necessary pivot bearing and the required wear resistance.
  • the invention has for its object to provide a folding tooth, which has a simplified manufacturability improved durability.
  • a folding tooth according to the invention according to claim 1 is characterized in that the pivot bearing, the Fräs leopardhalter and the control arm are formed as a one-piece carrier.
  • the folding tooth can be produced by casting or forging, but a preferred production is given by a flame cutting of a sheet. Compared to the design as a welded construction, the one-piece design of the pivot bearing and the individual arms of the folding tooth provides improved strength while reducing manufacturing costs.
  • a preferred embodiment der_Erfindung is that on the Fräszahnhalter a receptacle is formed in which hardened cutting teeth are releasably secured.
  • the ground breaking cutting teeth made of a specially hardened material can be used.
  • connection to the carrier conventional non-positive and positive connection means and joining methods can be used.
  • a taper is formed on the milling strip holder between the pivot bearing and the receptacle for the cutting teeth.
  • a taper allows improved elasticity of the above Milling tooth holder, so that bending stresses can be absorbed in the tapered position and thus the pivot bearing is relieved.
  • this taper can also allow even better pivoting of the folding tooth on the milling blade.
  • the pivot bearing may be formed as a single bearing eye, which has been introduced by flame cutting or drilling in the carrier.
  • the pivot bearing has at least two mutually spaced bearing walls, which are each provided with a mutually coaxially arranged bearing eye.
  • the bearing walls can be made by inserting a groove in the integral carrier.
  • the bearing eyes can also be manufactured by flame cutting or drilling.
  • a further preferred embodiment of the invention consists in that a stop element is arranged in the region of the control arm. This serves for contacting the control arm with the Fräsradnabe on which the folding tooth is mounted. This stop limits the maximum fold-out angle to the end plate.
  • the stop element may be made of a highly wear-resistant material, since the folding teeth exert considerable pressure on the stop element by the pending floor during operation.
  • a further solution according to claim 6 of the aforementioned object consists according to the invention in that on the control arm a wear plate is detachably and removably supported.
  • the wear plate serves as a cam follower element for contacting the folding tooth with the control bar on the milling blade, by which time and scope of the deflection of the folding tooth are determined depending on the rotational position of the cutting wheel. Unlike the abovementioned stop element, this wear plate is exposed to a significant sliding friction due to the function.
  • the wear plate therefore preferably comprises lubricating metal alloys, such as bronze or brass can contain.
  • the wear plate can be made separately, thereby reducing the total cost of manufacturing of the folding tooth. With appropriate wear, the wear plate can be replaced quickly and inexpensively, while the support of the folding tooth remains attached to the cutting wheel.
  • the wear plate is bolted to the control arm.
  • a screw is particularly inexpensive to produce and can be easily solved and re-attached.
  • a groove guide between the control arm and wear plate is provided.
  • a guide such as a dovetail guide allows a quick and accurate placement of the wear plate on the folding tooth. As a result, maintenance times and maintenance costs can be further reduced.
  • a material savings on the wear plate is inventively achieved in that the wear plate is formed kidney-shaped.
  • the wear plate is bevelled at its side regions.
  • This bevel which may be straight or arcuate, allows a smooth interaction with the control bar, so that the folding tooth can be folded and unfolded largely smoothly. This also has a positive effect on the lifetime of the folding tooth.
  • the folding tooth invention can basically be used on a variety of cutting wheels.
  • a preferred application is the use in a trench wall cutter, as used in special civil engineering for creating support and sealing walls.
  • Fig. 1 the arrangement and the function of a folding tooth 10 according to the invention is shown on a bearing plate 5 of a trench wall cutter.
  • two milling wheels are rotatably mounted on both sides, which are not shown for reasons of clarity.
  • pivot pin 18 are arranged, on which a folding tooth 10 is pivotally mounted in a known manner.
  • the pivoting movement of the folding tooth 10 is determined by a fixed to the bearing plate 5 control bar 7, along which the folding tooth 10 slides along.
  • Fig. 1 the operating position is shown, in which the folding tooth 10 is unfolded, so that the soil material below the bearing plate 5 can be processed.
  • the structure and function of the folding tooth 10 are in connection with the Fig. 2 to 4 explained in more detail.
  • the folding tooth 10 has an integral base body 11 in which a pivot bearing 12 is provided for receiving the pivot pin attached to the Fräsradnabe.
  • a pivot bearing 12 is provided for receiving the pivot pin attached to the Fräsradnabe.
  • the pivot bearing 12 are as out Fig. 4 it can be seen, two formed by a groove 15 separate bearing walls 14, in each of which a bearing eye 16 is bored.
  • the two bearing lugs 16 are aligned coaxially with each other, so that the pivot pin 18, optionally introduced with a sliding sleeve and so the folding tooth 10 can be pivotally mounted.
  • a so-called Fräs leopardhalter 20 is formed on the base body 11, in which two receptacles 22 are introduced for the cutting teeth.
  • a taper 26 is formed between the pivot bearing 12 and the Fräs leopardhalter 20 on the base body 11, so that a total hourglass-like shape is given to the base body 11.
  • control arm 30 From the storage area 12 away extends approximately opposite to the Fräs leopardhalter 20 a so-called control arm 30, which is also integrally formed on the base body 11. At the free end of the control arm 30 is an approximately kidney-shaped wear plate 34 releasably secured by means of screw 36 and replaceable. The wear plate 34 will be described in more detail below Fig. 5 described.
  • Fig. 5 shows the kidney-shaped front surface 38 of the wear plate 34, wherein laterally at a middle piece 40 chamfers 42 connect.
  • the chamfers 42 serve for a smooth, jerk-free sliding of the wear plate 34 along the control bar 7 on the bearing plate. 5
  • a guide groove 44 is schematically indicated, which serves for easy and accurate posting of the wear plate 34 on the folding tooth 10.
  • two schematically indicated threaded bores 46 are provided on the rear side in an upper region, which serve for screw fastening the wear plate 34 to the base body 11.
  • material heaps 48 are provided for wear protection and to ensure sufficient strength.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Hinges (AREA)
  • Gears, Cams (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Milling Processes (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Claims (12)

  1. Dent escamotable pour une roue de fraisage, avec
    - un palier pivotant (12) pour un montage pivotant sur un boulon pivotant (18) sur un moyeu de roue de fraisage,
    - un support (20) de dent de fraise s'étendant depuis le palier pivotant (12),
    - un bras de commande (30) s'étendant depuis le palier pivotant (12) pour l'essentiel dans le sens opposé à la direction du support (20) de dent de fraise,
    caractérisée en ce que le palier pivotant (12), le support (20) de dent de fraise et le bras de commande (30) sont réalisés sous la forme d'un support d'un seul tenant.
  2. Dent escamotable selon la revendication 1, caractérisée en ce que, sur le support (20) de dent de fraise, est réalisé un logement (22) dans lequel des dents (24) de fraise durcies sont fixées de manière amovible.
  3. Dent escamotable selon la revendication 1 ou 2, caractérisée en ce que, sur le support (20) de dent de fraise, est réalisé un effilement (26) entre le palier pivotant (12) et un logement (22) pour la dent (24) de fraise.
  4. Dent escamotable selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le palier pivotant (12) comprend au moins deux parois de palier (14) espacées l'une de l'autre, qui sont munies d'un oeillet de montage (16) coaxial l'un avec l'autre.
  5. Dent escamotable selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu' au niveau du bras de commande (30) est placé un élément de butée (32).
  6. Dent escamotable pour une roue de fraisage avec
    - un palier pivotant (12) pour un montage pivotant sur un boulon pivotant (18) sur un moyeu de roue de fraisage,
    - un support (20) de dent de fraise s'étendant depuis le palier pivotant (12),
    - un bras de commande (30) s'étendant depuis le palier pivotant (12) pour l'essentiel dans le sens opposé à la direction du support (20) de dent de fraise, en particulier selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce que sur le bras de commande (30) est montée une plaque d'usure (34) amovible et interchangeable.
  7. Dent escamotable selon la revendication 6, caractérisée en ce que la plaque d'usure (34) est vissée au bras de commande (30).
  8. Dent escamotable selon la revendication 6 ou 7, caractérisée en ce qu'un guidage par rainure est prévu entre le bras de commande (30) et la plaque d'usure (34).
  9. Dent escamotable selon l'une quelconque des revendications 6 à 8, caractérisée en ce que la plaque d'usure (34) est réalisée réniforme.
  10. Dent escamotable selon l'une quelconque des revendications 6 à 9, caractérisée en ce que la plaque d'usure (34) est réalisée biseautée dans ses parties latérales.
  11. Roue de fraisage, caractérisée en ce qu'au moins une dent escamotable (10) selon l'une quelconque des revendications 1 à 10 est prévue.
  12. Fraise pour paroi moulée, caractérisée en ce qu'au moins une roue de fraisage selon la revendication 11 est prévue.
EP20040028688 2003-12-23 2004-12-03 Dent rabattable Not-in-force EP1548192B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04028688T PL1548192T3 (pl) 2003-12-23 2004-12-03 Ząb klapiący

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10360910 2003-12-23
DE2003160910 DE10360910B3 (de) 2003-12-23 2003-12-23 Klappzahn

Publications (2)

Publication Number Publication Date
EP1548192A1 EP1548192A1 (fr) 2005-06-29
EP1548192B1 true EP1548192B1 (fr) 2008-07-09

Family

ID=34530376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040028688 Not-in-force EP1548192B1 (fr) 2003-12-23 2004-12-03 Dent rabattable

Country Status (13)

Country Link
US (1) US7278228B2 (fr)
EP (1) EP1548192B1 (fr)
JP (1) JP4046725B2 (fr)
KR (1) KR100660398B1 (fr)
CN (1) CN100385079C (fr)
AT (1) ATE400707T1 (fr)
CA (1) CA2489825C (fr)
DE (2) DE10360910B3 (fr)
ES (1) ES2308092T3 (fr)
HK (1) HK1080525A1 (fr)
PL (1) PL1548192T3 (fr)
RU (1) RU2292425C2 (fr)
SG (1) SG113022A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019135781A1 (de) * 2019-12-23 2021-06-24 Marcus Burg Klappzahn für ein Fräsrad
EP4311882A1 (fr) 2022-07-28 2024-01-31 BAUER Maschinen GmbH Fraise pour parois moulées et procédé de formation d'une fente fraisée dans le sol
EP4311881A1 (fr) 2022-07-27 2024-01-31 BAUER Maschinen GmbH Roue de fraisage pour une fraise pour rideaux souterrains et procédé de transformation d'une roue de fraisage

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1400429B1 (it) 2009-12-15 2013-05-31 Soilmec Spa Utensile per diaframmi sottili.
PL2378002T3 (pl) * 2010-04-16 2013-12-31 Bauer Maschinen Gmbh Urządzenie frezujące do wytwarzania w ziemi wykopów biegnących pionowo
EP2815033B1 (fr) 2013-08-27 2016-08-17 BAUER Spezialtiefbau GmbH Machine de puits de forage et procédé de forage
CN105625439B (zh) * 2014-10-28 2018-09-04 徐工集团工程机械股份有限公司 带有铰接式摆动齿的铣轮及铣槽机
CN110158693B (zh) * 2019-05-23 2024-03-01 江苏徐工工程机械研究院有限公司 一种铣削刀齿组件及双轮铣铣轮
DE102022131161A1 (de) 2022-11-24 2024-05-29 Liebherr-Werk Nenzing Gmbh Schlitzwandfräse
DE102022131341A1 (de) 2022-11-28 2024-05-29 Liebherr-Werk Nenzing Gmbh Schlitzwandfräse

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US3279856A (en) * 1963-11-18 1966-10-18 Westinghouse Air Brake Co Core breaker for ripper type miner
US3290099A (en) * 1963-11-22 1966-12-06 Westinghouse Air Brake Co Core cutters for ripper type miners
FR2295179A1 (fr) 1974-12-19 1976-07-16 Marais Jacques Trancheuse a roue, notamment pour le creusage de tranchees
US4391472A (en) * 1980-10-17 1983-07-05 The Cincinnati Mine Machinery Company Core eliminator for mining, road working or earth moving machinery
SU1010217A1 (ru) * 1982-01-04 1983-04-07 Горьковский Ордена Трудового Красного Знамени Политехнический Институт Им.А.А.Жданова Рабочий орган землеройной машины
SU1086152A1 (ru) * 1983-02-15 1984-04-15 Подмосковный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт Исполнительный орган угольного комбайна
DE3519774A1 (de) * 1985-06-03 1986-12-04 Karl Bauer Spezialtiefbau GmbH & Co KG, 8898 Schrobenhausen Fraesvorrichtung fuer eine schlitzwandfraese
DE3715977A1 (de) * 1987-05-13 1988-12-01 Bauer Spezialtiefbau Raeumvorrichtung
WO1989000631A1 (fr) * 1987-07-22 1989-01-26 Alfred Hackmack Pelle de derochage
CN2034184U (zh) * 1987-11-12 1989-03-15 江西省农业机械研究所 一种固定开沟机挖土刀片的装置
EP0456692B1 (fr) * 1989-01-25 1995-10-18 Foundation Technology Limited Excavateur
DE3926976C2 (de) * 1989-08-16 1995-02-02 Hochtief Ag Hoch Tiefbauten Vorrichtung zum Einbringen eines im wesentlichen vertikalen Bodenschlitzes
DE3926978C1 (en) 1989-08-16 1990-07-19 Goldbach Gmbh, Holz-, Kunststoff- Und Metallverarbeitung, 8758 Goldbach, De Height-adjustable flooring support - comprises two coaxially rotating parts which rest on one another and whose surfaces are held by stop faces
FR2805552B1 (fr) * 2000-02-29 2002-07-05 Spie Fond S Outil pour creuser des tranchees dans le sol et engin tel qu'une excavatrice a fraise(s) comprenant un tel outil
DE60206355D1 (de) * 2002-04-05 2006-02-09 Spie Fond S Cergy Pontoise Fräsrad und Schlitzwandfräse umfassend mindestens zwei Fräsräder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019135781A1 (de) * 2019-12-23 2021-06-24 Marcus Burg Klappzahn für ein Fräsrad
EP4311881A1 (fr) 2022-07-27 2024-01-31 BAUER Maschinen GmbH Roue de fraisage pour une fraise pour rideaux souterrains et procédé de transformation d'une roue de fraisage
WO2024022816A1 (fr) 2022-07-27 2024-02-01 Bauer Maschinen Gmbh Roue de fraisage pour un dispositif de coupe de paroi de diaphragme et procédé de modification d'une roue de fraisage
EP4311882A1 (fr) 2022-07-28 2024-01-31 BAUER Maschinen GmbH Fraise pour parois moulées et procédé de formation d'une fente fraisée dans le sol

Also Published As

Publication number Publication date
EP1548192A1 (fr) 2005-06-29
US20050132620A1 (en) 2005-06-23
CN1641116A (zh) 2005-07-20
CA2489825A1 (fr) 2005-06-23
KR100660398B1 (ko) 2006-12-26
US7278228B2 (en) 2007-10-09
PL1548192T3 (pl) 2008-12-31
JP4046725B2 (ja) 2008-02-13
CA2489825C (fr) 2008-07-15
DE502004007544D1 (de) 2008-08-21
SG113022A1 (en) 2005-07-28
ATE400707T1 (de) 2008-07-15
CN100385079C (zh) 2008-04-30
RU2292425C2 (ru) 2007-01-27
DE10360910B3 (de) 2005-09-15
RU2004136900A (ru) 2006-05-27
KR20050065316A (ko) 2005-06-29
JP2005180173A (ja) 2005-07-07
ES2308092T3 (es) 2008-12-01
HK1080525A1 (en) 2006-04-28

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