EP1819902A1 - Porte-outil - Google Patents

Porte-outil

Info

Publication number
EP1819902A1
EP1819902A1 EP05798097A EP05798097A EP1819902A1 EP 1819902 A1 EP1819902 A1 EP 1819902A1 EP 05798097 A EP05798097 A EP 05798097A EP 05798097 A EP05798097 A EP 05798097A EP 1819902 A1 EP1819902 A1 EP 1819902A1
Authority
EP
European Patent Office
Prior art keywords
projection
chisel holder
connecting section
base part
section
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
EP05798097A
Other languages
German (de)
English (en)
Other versions
EP1819902B1 (fr
Inventor
Bernd Holl
Günter TEWES
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.)
Wirtgen GmbH
Original Assignee
Wirtgen 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35457998&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1819902(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wirtgen GmbH filed Critical Wirtgen GmbH
Publication of EP1819902A1 publication Critical patent/EP1819902A1/fr
Application granted granted Critical
Publication of EP1819902B1 publication Critical patent/EP1819902B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor

Definitions

  • the invention relates to a chisel holder for a road milling machine or the like with a base part which carries a holding attachment, the holding attachment having a chisel receptacle and with a projection being connected to the base part in front of the holding attachment in the tool feed direction of the chisel holder.
  • Such a bit holder is known from DE 43 22 401 C2.
  • the chisel holder is provided with a plug-in attachment with which it is held interchangeably in a plug-in receptacle of a base body.
  • the base body is attached to the outer circumference of a milling drum tube.
  • the plug attachment of the chisel holder is connected in one piece to a base part.
  • the base part carries a holding attachment on the side facing away from the plug-in attachment.
  • the holding attachment is provided with a bore into which a shaft chisel can be inserted in a known manner.
  • DE 37 01 905 C1 shows an example of a possible assembly situation.
  • the holding attachment of the chisel holder is provided with a cylindrical section into which circumferential wear marks formed as groove-like depressions cations are introduced.
  • the base part In the area in the tool feed direction in front of the holding attachment, the base part has an apron-shaped projection which covers a surface of the base body into which the plug receptacle for the plug attachment is inserted. This area of the base body is thus protected.
  • Chisel holders are also known in the prior art, which are fastened directly to the milling drum tube without a base body.
  • the chisel holders described above are used on road milling machines, but also on related earth-working machines, such as soil stabilizers, mining machines etc.
  • the power consumption of the machine changes depending on the nature of the surface to be worked. It can be seen that layers built up in layers, which tend to form clod-like chips when they are broken up, provide the tool with a high resistance. For example, such chip forms arise when cutting asphalt surfaces in which there is an inadequate adhesive bond between the cover layer (usually about 4 cm thick) and the binder layer.
  • the base part has a connecting section designed as a chipbreaker, which is molded onto the base part and which, at least in part, extends over the projection from the holding attachment.
  • connection of the holding attachment to the projection by means of the connecting section brings improved tool rigidity. This has a positive effect particularly in the case of exposed holding approaches and / or projections and leads to an increase in the service life.
  • the connecting section extends in the tool feed direction. In this way, a cutting geometry is created which offers the milled material a low penetration resistance.
  • a conceivable variant of the invention can be such that the connecting section forms a web section, that the retaining projection has an end section projecting over the base part and that the web width running transverse to the feed device is smaller than the dimension of the end section in this direction.
  • a further variant of the invention is characterized in that the end section of the holding attachment has a chisel receptacle designed as a bore, and that the end section has an annular shape around the central longitudinal axis of the Chisel receptacle revolving support surface has that the support surface lying radially outside extends up to the dimensional limits of a cylindrical region of the end section and that the connecting section is connected to the retaining attachment set back in relation to the support surface.
  • the cylindrical region of the holding projection forms a wear zone, as is described in principle in DE 199 02 766.8-24.
  • the disclosure content of this document is made the subject of this document.
  • the head of a shaft chisel is supported on the ring-shaped contact surface with the interposition of a wear protection disc.
  • the wear protection disc extends at least up to the dimensional limits of the bearing surface. This creates a wear system.
  • the wear protection disc rotates on the contact surface and continuously processes the cylindrical area.
  • the recessed arrangement of the connecting section stabilizes the retaining projection, but does not impair this wear system.
  • the connecting section has chip-guiding surfaces on both sides of the web section, which diverge starting from the web section in the direction of the base part, and that the connecting section is connected to the retaining attachment via fillet-shaped transition sections.
  • the service life of the bit holder can be optimized in that the connecting section is hardened and / or that at least one hard material element is applied to the connecting section.
  • a hard metal can be used as the hard material element.
  • a good chip-breaking geometry results from the fact that the connecting section has a conical or rounded cutting shape.
  • Fig. 1 shows a chisel holder in a perspective front view
  • Fig. 2 shows the bit holder of FIG. 1 in side view
  • FIG 3 shows a side view of a tool combination with the chisel holder shown in FIGS. 1 and 2, as well as a base body and a round shank chisel mounted in the chisel holder 1 shows a chisel holder with a base part 10.
  • the base part 10 has a support part with a support surface 11 facing downwards.
  • the support part merges into a projection 15 in the feed direction.
  • the projection 15 is at an angle to the support part.
  • a downwardly projecting plug-in projection 12 is molded onto the base part 10.
  • the chisel holder can be inserted into a plug receptacle of a base body 50 with the plug-in attachment 12.
  • the plug-in attachment 12 can then be clamped in the plug receptacle.
  • Front centering surfaces 13 and a rear clamping surface 12.1 of the plug-in attachment 12 shown in FIG. 2 serve as a support.
  • the chisel holder is supported with its support surface 11 on a counter surface of the base body 50.
  • the projection 15 covers a shoulder 51 of the base body 50 and thus protects it from the wear attack of the removed milling material.
  • a holding projection 30 is formed on the base part 10 of the bit holder via a connecting section 35.
  • the connecting section 35 can also have a truncated cone-shaped or coved geometry. At its end facing away from the connecting section 35, the retaining projection 30 ends in a projecting cylindrical end section 34.
  • two wear marks 34.1 are rotated concentrically around a bore (chisel receptacle 31) made in the holding projection 30.
  • the wear marks 34.1 thus form groove-shaped depressions which are arranged behind a bearing surface 33 which closes off the cylindrical end section 34.
  • a round shank chisel 40 with its shank section can be inserted into the chisel receptacle 31.
  • the round shank chisel then has a chisel head 41 on the shank section, which carries a chisel tip made of hard material.
  • the chisel head 41 is supported by a wear protection disk 42 on the support surface 33 of the holding projection 30.
  • the holding projection 30 forms a central connecting part 34.2 between the cylindrical end section 34 and the rounding section 35. This is connected in one piece to the projection 15 by means of a connecting section 20.
  • the connecting section 20 extends from the connecting part 34.2 in the tool feed direction. It has a flattened web section 21 which merges into the side surfaces 19 of the projection 15 via inclined rake faces 22.
  • the connecting section 20 runs continuously in the direction of a front end region of the projection 15.
  • the projection 15 is closed off in the end region by means of a rounding transition 16.
  • the inclined surfaces 14 adjoin the side surfaces 19 via rounding transitions 17.
  • the connecting section 20 is connected on the one hand for reasons of voltage optimization and on the other hand for improved chip discharge with rounded transition sections 18, 23 to the holding projection 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Road Repair (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

L'invention concerne un porte-outil destiné à une fraiseuse routière ou similaire. Ce porte-outil comprend une partie de base (10) qui porte une embase de maintien (30) présentant un logement d'outil (31), une partie saillante (15) étant formée dans le prolongement de la partie de base (10) à l'avant de l'embase de maintien (30) dans le sens d'avance d'outil du porte-outil. L'objectif de l'invention est d'améliorer la puissance de coupe, en particulier en présence d'une matière à fraiser à gros copeaux. A cet effet, la partie de base (10) comprend une section de jonction (20) en forme de brise-copeaux, cette section étant formée sur la partie de base (10) et s'étendant au moins partiellement sur la partie saillante (15) à partir de l'embase de maintien (30).
EP05798097.1A 2004-11-26 2005-10-08 Porte-outil Expired - Lifetime EP1819902B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004057302A DE102004057302B4 (de) 2004-11-26 2004-11-26 Meißelhalter
PCT/EP2005/010865 WO2006056269A1 (fr) 2004-11-26 2005-10-08 Porte-outil

Publications (2)

Publication Number Publication Date
EP1819902A1 true EP1819902A1 (fr) 2007-08-22
EP1819902B1 EP1819902B1 (fr) 2018-12-12

Family

ID=35457998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05798097.1A Expired - Lifetime EP1819902B1 (fr) 2004-11-26 2005-10-08 Porte-outil

Country Status (11)

Country Link
US (1) US7300115B2 (fr)
EP (1) EP1819902B1 (fr)
JP (1) JP4728341B2 (fr)
KR (1) KR100915603B1 (fr)
CN (1) CN101175895B (fr)
AU (1) AU2005309142B2 (fr)
BR (1) BRPI0518252B1 (fr)
DE (1) DE102004057302B4 (fr)
RU (1) RU2347907C1 (fr)
TR (1) TR201900655T4 (fr)
WO (1) WO2006056269A1 (fr)

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USD574689S1 (en) * 2006-03-10 2008-08-12 Wirtgen Gmbh Chisel holder
USD585259S1 (en) * 2006-03-10 2009-01-27 Wirtgen Bmbh Chisel holder
USD575610S1 (en) * 2006-03-10 2008-08-26 Wirtgen Gmbh Chisel holder
US7380887B2 (en) * 2006-04-13 2008-06-03 Keystone Engineering & Manufacturing Corp. Tool holder
EP2048323B1 (fr) 2007-10-11 2010-07-28 Everpads Co., Ltd. Dispositif de manipulation d'outil
DE102008045825B3 (de) * 2008-09-05 2010-05-27 Wirtgen Gmbh Meißelhalter für eine Schrämmaschine, Straßenfräse, Suface-Miner oder dergleichen
US8523290B2 (en) * 2009-04-10 2013-09-03 Kennametal Inc. Rotatable cutting tool-tool holder-base assembly
DE102009059189A1 (de) 2009-12-17 2011-06-22 Wirtgen GmbH, 53578 Meißelhalter und Basisteil zur Aufnahme eines Meißelhalters
DE102009059188A1 (de) * 2009-12-17 2011-06-22 Wirtgen GmbH, 53578 Meißelhalter und Basisteil
USD632703S1 (en) * 2010-01-07 2011-02-15 Wirtgen Gmbh Kicker plate
USD624940S1 (en) * 2010-01-07 2010-10-05 Wirtgen Gmbh Kicker plate
USD628602S1 (en) * 2010-01-07 2010-12-07 Wirtgen Gmbh Kicker plate
US9028009B2 (en) 2010-01-20 2015-05-12 Element Six Gmbh Pick tool and method for making same
GB201000869D0 (en) * 2010-01-20 2010-03-10 Element Six Holding Gmbh Superhard pick tool and method for making same
US8313153B2 (en) * 2010-03-24 2012-11-20 Kennametal Inc. Rotatable cutting tool and tool holder assembly
USD638453S1 (en) * 2010-11-10 2011-05-24 Wirtgen Gmbh Bit holder
RU2567256C2 (ru) * 2010-12-03 2015-11-10 Виртген Гмбх Резцедержатель и система резцедержателя с резцедержателем и корпусом
TWI480447B (zh) * 2010-12-03 2015-04-11 Wirtgen Gmbh Turret (b)
US9163502B2 (en) 2010-12-03 2015-10-20 Wirtgen Gmbh Chisel holder, and chisel holder system comprising a chisel holder and a base part
DE102010061019A1 (de) 2010-12-03 2012-06-06 Betek Gmbh & Co. Kg Meißelhalter und Werkzeugunterteil für einen Meißelhalter
KR101788266B1 (ko) 2010-12-03 2017-10-19 비르트겐 게엠베하 치즐 홀더
GB201103096D0 (en) 2011-02-23 2011-04-06 Element Six Holding Gmbh Insert and degradation assembly
USD667855S1 (en) * 2011-04-11 2012-09-25 Betek Gmbh & Co. Kg Base for a chisel holder
USD667856S1 (en) * 2011-04-11 2012-09-25 Betek Gmbh & Co. Kg Chisel holder
DE102011051525A1 (de) 2011-07-04 2013-01-10 Wirtgen Gmbh Meißelhalter für eine Bodenbearbeitungsmaschine
PL2543815T4 (pl) 2011-07-04 2020-06-15 Wirtgen Gmbh Imak nożowy i układ imaka nożowego z imakiem nożowym i częścią podstawową
USD671578S1 (en) * 2011-07-04 2012-11-27 Wirtgen Gmbh Chisel holder
GB201113013D0 (en) 2011-07-28 2011-09-14 Element Six Abrasive Sa Tip for a pick tool
USD669505S1 (en) * 2011-11-23 2012-10-23 Wirtgen Gmbh Chisel holder bar
USD677285S1 (en) * 2011-11-23 2013-03-05 Wirtgen Gmbh Chisel holder bar
USD688282S1 (en) * 2012-02-09 2013-08-20 Frank Friedrich Lachmann Tool
GB201202533D0 (en) * 2012-02-14 2012-03-28 Element Six Gmbh Pick tool and method of using same
USD680560S1 (en) * 2012-07-31 2013-04-23 Caterpillar Paving Products Inc. Deflector for paving apparatus
USD681069S1 (en) * 2012-07-31 2013-04-30 Caterpillar Paving Products Inc. Mounting block for paving apparatus
USD692037S1 (en) * 2012-12-05 2013-10-22 Wirtgen Gmbh Chisel holder
US9441482B2 (en) 2013-01-30 2016-09-13 Novatek Ip, Llc Hammer element on a degradation pick
USD692040S1 (en) * 2013-04-12 2013-10-22 Wirtgen Gmbh Chisel holder
USD692039S1 (en) * 2013-04-12 2013-10-22 Wirtgen Gmbh Chisel holder
RU2666906C2 (ru) * 2013-06-18 2018-09-13 Эско Корпорейшн Резец для добычи полезных ископаемых, резцедержатель и их комбинация
USD707736S1 (en) 2013-06-19 2014-06-24 Bernd Heinrich Ries Chisel holder
USD736283S1 (en) * 2013-06-19 2015-08-11 Element Six Gmbh Chisel holder
USD711442S1 (en) * 2013-07-15 2014-08-19 Wirtgen Gmbh Chisel holder
RU2602435C1 (ru) * 2015-10-07 2016-11-20 федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Устройство для крепления резца на исполнительном органе машины
JP1572680S (fr) 2016-02-22 2017-03-27
DE102016108808A1 (de) 2016-05-12 2017-11-16 Betek Gmbh & Co. Kg Meißel mit einem Stützelement mit einem Zentrieransatz
DE102016224606B4 (de) * 2016-12-09 2021-01-07 Wirtgen Gmbh Vorrichtung zur spanenden Bearbeitung von verschleißbelasteten Meißelhaltern von Straßenfräsen und Verwendung einer Vorrichtung zur Instandsetzung von derartigen verschleißbelasteten Meißelhaltern
DE102016125921A1 (de) 2016-12-30 2018-07-05 Wirtgen Gmbh Werkzeugkombination mit einem Meißelhalter und zwei Meißeln
DE102016125917A1 (de) * 2016-12-30 2018-07-05 Wirtgen Gmbh Meißelwechselhalter
USD906385S1 (en) * 2020-01-21 2020-12-29 Wirtgen Gmbh Chisel holder
US12457912B2 (en) 2022-12-12 2025-11-04 Nicholas Arthur Latham Mechanical soil conditioner system
DE102024112594A1 (de) * 2024-05-06 2025-11-06 Wirtgen Gmbh Meißelhalter
DE102024112600A1 (de) * 2024-05-06 2025-11-06 Wirtgen Gmbh Meißelhalter
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Also Published As

Publication number Publication date
DE102004057302B4 (de) 2011-01-13
JP4728341B2 (ja) 2011-07-20
EP1819902B1 (fr) 2018-12-12
WO2006056269A1 (fr) 2006-06-01
CN101175895B (zh) 2010-05-05
US7300115B2 (en) 2007-11-27
JP2008530393A (ja) 2008-08-07
KR20070086512A (ko) 2007-08-27
AU2005309142A1 (en) 2006-06-01
BRPI0518252B1 (pt) 2017-05-09
RU2347907C1 (ru) 2009-02-27
BRPI0518252A2 (pt) 2008-11-11
KR100915603B1 (ko) 2009-09-07
US20060119165A1 (en) 2006-06-08
AU2005309142B2 (en) 2011-06-30
RU2007123705A (ru) 2009-01-10
TR201900655T4 (tr) 2019-02-21
DE102004057302A1 (de) 2006-06-01
CN101175895A (zh) 2008-05-07

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