EP2374936A2 - Cylindre de fraisage pour une machine à fraiser le sol et machine à fraiser le sol - Google Patents
Cylindre de fraisage pour une machine à fraiser le sol et machine à fraiser le sol Download PDFInfo
- Publication number
- EP2374936A2 EP2374936A2 EP11002790A EP11002790A EP2374936A2 EP 2374936 A2 EP2374936 A2 EP 2374936A2 EP 11002790 A EP11002790 A EP 11002790A EP 11002790 A EP11002790 A EP 11002790A EP 2374936 A2 EP2374936 A2 EP 2374936A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- milling
- face
- hollow cylindrical
- bandage
- cylindrical bandage
- 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
- 238000003801 milling Methods 0.000 title claims abstract description 140
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000005299 abrasion Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
- B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
- B65H23/0251—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers with a straight axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/115—Details of cross-section or profile other
- B65H2404/1151—Details of cross-section or profile other brush
Definitions
- the invention relates to a milling drum according to the type specified by the preamble of claim 1.
- the invention also relates to a ground milling machine with at least one such milling drum.
- Milling rollers of the type in question are used for crushing and / or removing a soil material, in particular a compacted or solid soil material, such. B. a concrete or tar cover. Often such milling drums are used to remove or partially remove a pavement (or the like). Such milling rollers are z. B. from the DE 698 24 340 T2 and the DE 296 13 658 U known.
- a disadvantage of the known from the prior art milling rollers of the type in question that they are exposed in milling especially at the front sides of the roller body (also referred to as bandage) a heavy wear. Especially when cornering with a relatively small radius of curvature (eg. Free cutting of manhole covers), there is a strong abrasion on the inside curve end of the bandage by the formed milling edge in the soil material. The abrasion is intensified by an undercut in the soil material (so-called undercut) with respect to the milling edge. Attempts are currently being made to protect the faces of the bandage from excessive wear by attaching wear plates. However, this is only partially satisfactory.
- a disadvantage of the known from the prior art milling rollers of the type in question is that more milled material adheres in the Fräswalzenkasten.
- the invention is therefore based on the object, such a further develop a milling drum of the type in question, that the frontal wear is reduced to the bandage.
- At least one front-side cutting bit is arranged on the hollow-cylindrical bandage in the area of at least one end face and which is intended to at least partially cut free the collision area between this front side and the soil material to be processed in milling operation.
- at least one such frontal milling cutter is arranged on each end face of the hollow cylindrical bandage.
- the milling drum according to the invention comprises a hollow cylindrical and axially longitudinally extending roller body, the so-called.
- Bandage which is defined with respect to its longitudinal axis by a bandage inner radius and by a Bandagenau usradius.
- On the outer peripheral surface or the lateral surface of the hollow cylindrical bandage a plurality of milling bits for crushing and / or removal of soil material are arranged.
- At least one face milling cutter is arranged which protrudes from the respective end face or protrudes outwards from this end face and which protects the end face in question against direct abrasive contact with the soil material to be machined in the milling operation in that the contact region or collision area between this end face of the hollow cylindrical bandage and the soil material is quasi cleared or cut free by this at least one frontal milling chisel.
- the relevant end face of the hollow cylindrical bandage is at least partially protected from abrasion, whereby excessive wear on the relevant end face, as well as any Meiselhaltern and welds on the relevant face, avoided or at least significantly reduced.
- An essential aspect of the invention is the direct protection of the respective face of the hollow cylindrical bandage by one or more frontal cutting chisel, which is why the Milling roller according to the invention especially for cornering with a relatively small radius of curvature (eg, free cutting of manhole covers) is suitable, despite the given undercut on the milling edge.
- a relatively small radius of curvature eg, free cutting of manhole covers
- a plurality of end-face milling tools to be present on at least one end face of the hollow-cylindrical bandage, which are distributed in a circumferential direction and distributed in particular at regular intervals.
- At least two front-side cutting tools are provided on at least one end face of the hollow cylindrical bandage, with respect to the Longitudinal axis of the hollow cylindrical bandage are arranged at a different radial distance.
- the longitudinal axis of the hollow cylindrical drum corresponds to the axis of rotation.
- the bandage thickness is the radial distance between the inner bandage bandage and the bandage outer radius.
- each case for a plurality of milling bits (ie in each case at least two) of the end-face milling tools, which are arranged at a different radial distance with respect to the longitudinal axis of the hollow cylindrical bandage, these being different milling tools in a radial distance Circumferential direction alternately or alternately distributed and distributed in particular distributed at equal intervals.
- At least one end face of the hollow cylindrical bandage in at least one end face of the hollow cylindrical bandage in the radial direction (with respect to the longitudinal axis or the axis of rotation of the hollow cylindrical bandage) approximately centrally between the inner bandage bandage and the outer bandage surface or between the inner peripheral surface and the Outer circumferential surface of the hollow cylindrical bandage is arranged.
- the cutting circle generated by this frontal cutting tool is located approximately in the center of the annular end face of the hollow cylindrical bandage.
- At least one end face of the hollow cylindrical bandage projects radially outward (with respect to the longitudinal axis or the axis of rotation of the hollow cylindrical bandage) over at least one end face of the hollow cylindrical bandage over the bandage outer radius or over the outer peripheral surface. Due to this radial projection, the relevant end face is even better protected against abrasion.
- the radial projection is in the range of 5 to 15 mm and is in particular about 10 mm. This information relates to an effective distance caused by the milling tip of the front-side milling cutter.
- At least one end face of the hollow cylindrical bandage protrudes radially inwards over at least one end face of the hollow cylindrical bandage in the radial direction over the bandage inner radius or over the inner peripheral surface.
- the radial projection is in the range of 5 to 15 mm and is in particular about 10 mm. This information relates to an effective distance caused by the milling tip of the front-side milling cutter.
- At least one end face of the hollow cylindrical bandage is arranged with an angle of attack on at least one end face of the hollow cylindrical bandage.
- the angle can z. B. be defined as the angle of inclination of the Fräsm effetell Kunststoffsachse with respect to a circumferential direction or direction of rotation of the hollow cylindrical drum in the milling operation.
- At least one end face of the hollow cylindrical bandage is arranged directly in the bandage on the relevant end face on at least one end face of the hollow cylindrical bandage.
- the hollow cylindrical bandage is designed accordingly in the region of the relevant end face and has z.
- At least one end face of the hollow cylindrical bandage is designed as an exchangeable cutting bit on at least one end face of the hollow cylindrical bandage.
- Chisel change holder is arranged on the hollow cylindrical bandage, on which the replaceable frontal cutting chisel is attached.
- the axial longitudinal extent of the milling drum is greater than the (maximum) diameter of this milling drum.
- the axial longitudinal extent is greater by a multiple several times.
- the axial longitudinal extension of the milling drum is smaller than the (maximum) diameter of this milling drum.
- a milling drum can also be referred to as a milling rotor.
- the solution of the problem also extends to a ground milling machine with a control station (large milling machine) comprising at least one milling drum according to the invention.
- a control station large milling machine
- This is in particular a road milling machine.
- the solution of the problem also extends to a hand-held ground milling machine (compact milling machine) comprising at least one milling drum according to the invention.
- a hand-held ground milling machine compact milling machine
- This is in particular a road milling machine.
- Fig. 1 shows a generally designated 1 inventive milling drum.
- To milling drum 1 includes a roller body is formed as a hollow cylindrical bandage 2 and on the outer peripheral surface or lateral surface 22 a plurality of milling bits 3 and 4 are arranged for crushing and / or removal of a soil material.
- the chisels 3 and 4 are, for example, interchangeable milling chisels, which are fastened to the bandage 2 by means of chisel change holders 31 and 41.
- the bit changer 31 and 41 are in turn z. B. welded to the bandage 2.
- the longitudinal axis of the milling drum 1 and the drum 2 is indicated by L.
- the longitudinal axis L coincides with the axis of rotation.
- the direction of rotation (or direction of rotation or milling direction) of the milling drum 1 for the milling operation is indicated by D.
- the milling bits 3 are aligned with their Fräsm effetell Kunststoffsachsen example, essentially in the direction of rotation D.
- the cutting tools 3 may also be angled with respect to the direction of rotation D.
- the left end side of the bandage 2 is designated.
- the angled and projecting beyond the end face 21 Fräsm administratel 4 serve to produce a defined milling edge in the soil material to be processed. However, no protection for the end 21 can be achieved by means of this cutting bit 4.
- two end milling tools 5a and 5b are arranged in the frontal region.
- the front-side milling tools 5a and 5b project beyond the left end face 21 by a defined amount x (eg several millimeters) and are intended to at least partially free or clear the collision area between this end face 21 and the soil material to be machined in milling operation in order to avoid a direct contact between the end face 21 and the ground material remaining in the milling process substantially.
- a radial section T corresponds substantially to the thickness of the bandage 2).
- the front-side milling tools 5a and 5b can cut free an area which exceeds this radial section T radially inward and / or radially outward.
- the frontal side milling tools 5a and 5b are also designed as replaceable milling bits, which are fastened to the bandage 2 by means of bit changers 51.
- the bit change holders 51 are arranged in pockets 6a and 6b, as described below in connection with FIGS Fig. 4 explained in more detail.
- the frontal side milling tools 5a and 5b are angled with an angle ⁇ with respect to the direction of rotation D and inclined relative to the plane of the left end face 21 to the outside, as very well from the illustration of Fig. 1 seen.
- the angle of attack ⁇ may be the same or different for both front-side milling bits 5a and 5b.
- the number of two frontal milling bits 5a and 5b is merely exemplary. For milling drums with a small diameter, a face milling cutter may be sufficient. For large diameter milling drums or thick drum drums, more than two frontal chisels may be required to cut the collision area freely.
- Fig. 3 shows a plan view of the left end face 21 of the milling drum 1, as shown in the Fig. 1 with A specified direction.
- the bandage 2 is defined by an inner peripheral surface having a bandage inner radius Ri and an outer circumferential surface 22 having a bandage outer radius Ra.
- K3 denotes an external milling or cutting circle, which is produced in the milling operation by the milling tool 3 arranged on the outer circumferential surface 22 of the bandage 2.
- K4 designates a lateral milling or cutting circle, which is produced in the milling operation by the milling bit 4, which is inclined slightly outwards relative to the left end face 21, which should lead to a clean milling edge in the soil material.
- the end face 21 of the bandage 2 can not be protected against abrasion with the milling tools 4.
- the frontal milling bits 5a and 5b are provided.
- the front-side milling tools 5a and 5b offset by about 180 ° in the frontal region of the bandage 2 are arranged.
- K5b designates the milling or cutting circle of the front-side milling bit 5b, which lies radially outside the outer circumferential surface 22 of the bandage 2 by a few millimeters.
- K5a designates the milling or cutting circle of the other front-side milling tool 5a, which is located approximately in the middle between the inner peripheral surface and the outer peripheral surface 22 of the drum 2.
- the front-side milling tool 5a or another front-side milling tool could also be arranged so that the milling or cutting circle Kx resulting in the milling operation radially inside the inner peripheral surface the bandage 2 is located.
- the milling tips and thus the points of action of the frontal side chisel 5a and 5b are thus at different radial distances from the longitudinal axis or axis of rotation L.
- the respective left end face 21 of the drum 2 is protected from abrasion in the milling operation, creating a Excessive wear on this end face and any Meiselhaltern or chisel change holders 31 and 41 and welds in the region of this end face 21 is avoided or at least greatly reduced.
- corresponding end milling tools are also provided on the other end face of the milling drum 1.
- the Fräsm accommodateel 3 and 4 are inclined with respect to a radial direction r, wherein the laterally outwardly inclined Fräsm composedel 4 are more inclined than the Fräsm facedel 3 and wherein the milling tips in each case in the direction of rotation U and in the circumferential direction have u.
- the front-side cutting tools 5a and 5b are substantially inclined with respect to the radial direction r and in the illustration shown have a tangential orientation with respect to the bandage 2, the milling tips pointing in the circumferential direction u.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Milling Processes (AREA)
- Shovels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010013983.1A DE102010013983B4 (de) | 2010-04-06 | 2010-04-06 | Fräswalze für eine Bodenfräsmaschine und Bodenfräsmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2374936A2 true EP2374936A2 (fr) | 2011-10-12 |
EP2374936A3 EP2374936A3 (fr) | 2014-08-20 |
EP2374936B1 EP2374936B1 (fr) | 2018-10-17 |
Family
ID=44260408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11002790.1A Active EP2374936B1 (fr) | 2010-04-06 | 2011-04-04 | Cylindre de fraisage pour une machine à fraiser le sol et machine à fraiser le sol |
Country Status (5)
Country | Link |
---|---|
US (1) | US8672416B2 (fr) |
EP (1) | EP2374936B1 (fr) |
CN (1) | CN102286913B (fr) |
DE (2) | DE202010018288U1 (fr) |
ES (1) | ES2706390T3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103276658A (zh) * | 2013-05-24 | 2013-09-04 | 广西玉柴重工有限公司 | 一种铣刨装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012203649A1 (de) * | 2012-03-08 | 2013-09-12 | Wirtgen Gmbh | Selbstfahrende Straßenfräsmaschine zum Bearbeiten von Straßenoberflächen, insbesondere Großfräse |
DE102014001921B4 (de) | 2013-02-22 | 2024-08-22 | Bomag Gmbh | Fräswalze mit einer, insbesondere austauschbaren, Materialleiteinrichtung |
US10124509B2 (en) | 2013-11-15 | 2018-11-13 | Vermeer Manufacturing Company | Cutting tooth system |
DE102014015584B4 (de) * | 2014-10-21 | 2018-10-25 | Bomag Gmbh | Fräswalze und Bodenfräsmaschine mit derartiger Fräswalze |
DE112015005089B4 (de) * | 2014-11-10 | 2024-08-14 | Vermeer Manufacturing Company | Kantenschneidelement für eine drehbare Schneidwalze |
USD896289S1 (en) * | 2018-07-10 | 2020-09-15 | Bomag Gmbh | Quick-change toolholder |
CN110952428A (zh) * | 2019-12-02 | 2020-04-03 | 上海道基环保科技有限公司 | 一种用于重型机械刀鼓的刀头及其磨损状态报警系统 |
DE102019135867A1 (de) | 2019-12-30 | 2021-07-01 | Wirtgen Gmbh | Abtragendes Bodenbearbeitungsverfahren mit bezüglich der Vortriebsrichtung schräg angestelltem abtragendem Werkzeug und zur Ausführung des Verfahrens ausgebildete Bodenbearbeitungsmaschine |
CN114737456B (zh) * | 2022-05-06 | 2023-08-01 | 江苏徐工工程机械研究院有限公司 | 铣刨转子和铣刨机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164450B (de) | 1959-04-10 | 1964-03-05 | Henry Neuenburg | Strassenfraesmaschine zum Herstellen von Ausnehmungen fuer Markierungsstreifen |
DE29613658U1 (de) | 1996-08-07 | 1996-10-02 | Bacher, Manfred, 88276 Berg | Maschine zum Abfräsen von Bodenflächen aus Beton und Fräswalze hierfür |
DE69824340T2 (de) | 1997-04-28 | 2005-06-09 | Bitelli S.P.A. | Fräswalze für Fräsmaschinen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5775781A (en) * | 1996-01-26 | 1998-07-07 | Randy R. Sawtelle | Pavement marking removal tool and method |
US5884979A (en) * | 1997-04-17 | 1999-03-23 | Keystone Engineering & Manufacturing Corporation | Cutting bit holder and support surface |
FI107629B (fi) * | 1997-10-02 | 2001-09-14 | Ideachip Oy | Menetelmä maa-ainesten sekoittamiseksi |
AUPP764598A0 (en) * | 1998-12-11 | 1999-01-14 | R N Cribb Pty Limited | Rotary drum cutting head |
DE10132608B4 (de) * | 2001-07-05 | 2006-02-02 | Firma Klaus Ertmer Maschinenbautechnologie | Aktivierungsgerät und Aktivierungssystem zur Bereitstellung eines Schlagimpulses für Schneidköpfe hydraulischer Trägergeräte |
ITBO20010632A1 (it) * | 2001-10-16 | 2003-04-16 | Simex Engineering S R L | Fresatrice oleodinamica per macchine escavatrici |
DE10202536A1 (de) * | 2002-01-24 | 2003-08-21 | Juergen Schenk | Fräseinrichtung für Boden, Fels, Aushub oder anderes Material |
US7066555B2 (en) * | 2003-08-26 | 2006-06-27 | Asphalt Zipper, Inc. | Reinforced concrete milling/cutting mandrel |
US7204442B2 (en) * | 2004-01-13 | 2007-04-17 | Vermeer Manufacturing Company | Apparatus and method for supporting and retaining a hammer and cutter |
AT8148U1 (de) * | 2004-05-10 | 2006-02-15 | Voest Alpine Bergtechnik | Schräm- oder schneidwalze |
US7475949B2 (en) * | 2006-11-13 | 2009-01-13 | Kennametal Inc. | Edge cutter assembly for use with a rotatable drum |
US7976239B2 (en) * | 2006-12-01 | 2011-07-12 | Hall David R | End of a moldboard positioned proximate a milling drum |
US7604301B1 (en) * | 2006-12-07 | 2009-10-20 | Lang William J | Dual axis grinder blender |
DE102008016673B4 (de) * | 2008-03-26 | 2014-05-15 | Allu Deutschland Gmbh | Vorrichtung zum Fräsen und Mischen von Böden |
-
2010
- 2010-04-06 DE DE202010018288.3U patent/DE202010018288U1/de not_active Expired - Lifetime
- 2010-04-06 DE DE102010013983.1A patent/DE102010013983B4/de active Active
-
2011
- 2011-04-04 US US13/079,407 patent/US8672416B2/en active Active
- 2011-04-04 ES ES11002790T patent/ES2706390T3/es active Active
- 2011-04-04 EP EP11002790.1A patent/EP2374936B1/fr active Active
- 2011-04-06 CN CN201110162940.7A patent/CN102286913B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164450B (de) | 1959-04-10 | 1964-03-05 | Henry Neuenburg | Strassenfraesmaschine zum Herstellen von Ausnehmungen fuer Markierungsstreifen |
DE29613658U1 (de) | 1996-08-07 | 1996-10-02 | Bacher, Manfred, 88276 Berg | Maschine zum Abfräsen von Bodenflächen aus Beton und Fräswalze hierfür |
DE69824340T2 (de) | 1997-04-28 | 2005-06-09 | Bitelli S.P.A. | Fräswalze für Fräsmaschinen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103276658A (zh) * | 2013-05-24 | 2013-09-04 | 广西玉柴重工有限公司 | 一种铣刨装置 |
Also Published As
Publication number | Publication date |
---|---|
ES2706390T3 (es) | 2019-03-28 |
DE202010018288U1 (de) | 2015-08-03 |
CN102286913B (zh) | 2015-11-25 |
DE102010013983A1 (de) | 2011-10-06 |
EP2374936A3 (fr) | 2014-08-20 |
US8672416B2 (en) | 2014-03-18 |
EP2374936B1 (fr) | 2018-10-17 |
DE102010013983B4 (de) | 2016-01-21 |
CN102286913A (zh) | 2011-12-21 |
US20110241408A1 (en) | 2011-10-06 |
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