EP1840268B1 - Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze - Google Patents

Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze Download PDF

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Publication number
EP1840268B1
EP1840268B1 EP07102726A EP07102726A EP1840268B1 EP 1840268 B1 EP1840268 B1 EP 1840268B1 EP 07102726 A EP07102726 A EP 07102726A EP 07102726 A EP07102726 A EP 07102726A EP 1840268 B1 EP1840268 B1 EP 1840268B1
Authority
EP
European Patent Office
Prior art keywords
milling
accordance
milling drum
support ring
drum
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.)
Active
Application number
EP07102726A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1840268A1 (de
Inventor
Bernd Holl
Stefan Abresch
Thomas Lehnert
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
Application filed by Wirtgen GmbH filed Critical Wirtgen GmbH
Publication of EP1840268A1 publication Critical patent/EP1840268A1/de
Application granted granted Critical
Publication of EP1840268B1 publication Critical patent/EP1840268B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
    • 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
    • Y10T29/49718—Repairing
    • Y10T29/49721—Repairing with disassembling
    • Y10T29/4973—Replacing of defective part
    • 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

Definitions

  • the invention relates to a milling drum according to the preamble of claim 1, or a construction machine according to claim 24, and a gear unit for a milling drum according to claim 25.
  • the milling drum has a replaceable milling tube, wherein the axis of the milling tube, supported by a support ring on a support ring receptacle of a rotatably mounted, coupled with a milling drum drive body.
  • the support ring is seated with a predetermined play on the support ring receptacle, wherein in the gap between the support ring and support ring receiving dirty water, dust and fine-grained parts of the road surface can penetrate, in particular due to relative movements between the support ring and the support ring receiving, resulting from the milling process.
  • the capillary action of the clearance increases this effect, so that contaminated water and fine particles penetrate into the fit.
  • conically shaped support surfaces have not proven to be practical, because on the one hand they can set too strong and on the other hand have too much radial play when the réelleschiebende milling roller is too short. Therefore, with a conical support surface, accuracy of positioning the conical support ring and the support ring receptacle in a range of +/- 1 mm would be required to enable operation at all, while still maintaining the problem that a cone joint may seize.
  • the invention is therefore based on the object of simplifying the assembly and disassembly of the milling tube in milling drums with replaceable milling tubes, in construction machines with milling drums and gear units that drive a milling drum.
  • the invention provides in an advantageous manner that the support ring and the support ring receptacle of the rotatably mounted body a plurality of Fräswalzenachse concentrically extending, complementary support surfaces having different Stütz Vietnamese bemessern which are arranged axially one after another with decreasing diameters in the withdrawal direction.
  • the step-shaped design of the support surfaces of the support ring and the support ring receiving can be achieved without reducing the total surface area of the support surface, that the milling tube must be deducted only by the amount of width of a step to bring the support ring out of engagement with the support ring receptacle. For example, with a five-fold gradation, the distance required to separate the support surfaces from each other can be reduced to one-fifth of the total axial length of the support surface.
  • At least three, preferably five support surfaces are arranged axially one behind the other.
  • the length of the axially successively arranged support surfaces is 5 to 40 mm, preferably 10 to 20 mm. In this way, a load bearing support surface for a milling tube of a milling drum is created.
  • the length of a support surface may be the same in the axial direction. This has the advantage that when removing all support surfaces are simultaneously disengaged.
  • the length of the support surfaces in the axial direction may be different, and preferably such that the length of the support surfaces decreases with decreasing support circle diameter. This has the advantage that the support surfaces, in particular during assembly, are not all engaged at the same time, whereby the assembly can be facilitated.
  • the support surfaces of the support ring relative to the support surfaces of the support ring receiving axially offset in the withdrawal direction of the milling tube, such that annular chambers are formed at the step transitions.
  • the annular chambers can be used advantageously to be filled with a corrosion inhibitor or a lubricant.
  • the annular chambers may be connected to an injection channel, via which a corrosion protection agent and / or a lubricant can be injected.
  • the injection channel may have a nipple for injecting grease.
  • the support surfaces may be coated with a sliding layer to facilitate assembly and disassembly.
  • the support ring receptacle may consist of a one-piece ring or be integral with the rotatably mounted body.
  • the one-piece support ring receptacle can be pushed, for example, on the rotatably mounted body and fixed there axially.
  • the support ring receiver can be integral with the rotatably mounted body, whereby the number of components can be reduced.
  • the support ring receptacle consists of a multi-part, preferably two-part ring which can be mounted on the rotatably mounted body.
  • a support ring receptacle is advantageous if a support ring receptacle is not pushed onto the rotatably mounted body.
  • the support ring receptacle is axially immovably mounted on the rotatably mounted body and forms a loose bearing.
  • the support ring receptacle can be fixed axially at different locations on the rotatably mounted body.
  • the rotatably mounted body is a roller base body for supporting the milling tube and / or a driven housing of a gear unit of the milling roller drive.
  • the axis of the milling tube can be stored in a two-sided storage on the one hand in a removable side wall and on the other hand supported by means of the support ring on the support ring receptacle of the rotatably mounted body, wherein the milling tube after removal of the side wall of the support ring receptacle of the rotatably mounted body in the withdrawal direction deductible is.
  • roller base body is coupled to the milling drum drive and supports the side wall facing the end of the milling tube.
  • the axial support surfaces arranged one behind the other with different support circle diameter at the step transitions have a chamfer running, for example, at 45 °.
  • This chamfer makes it easier to center the milling tube during assembly, which simplifies assembly.
  • a bevel running at 45 ° is used.
  • Fig. 1 a road construction machine 1 is shown, in which a milling tube quick-change system can be used.
  • the road construction machine is a road milling machine which generally has a machine frame on which an engine and a control station are mounted.
  • the self-propelled road construction machine has height-adjustable, mounted on the machine frame lifting columns on which support wheels or crawler tracks are mounted.
  • the milling drum 2 is located under the machine frame in a roller box 9, which laterally has the side walls 13, 15. By the reference numeral 7, the sectional contour of the tools located on the milling drum 2 is indicated.
  • the processed from the milling drum 2 material is dropped in a conventional manner on a first conveyor belt or conveyed to a second, height-adjustable and pivotable conveyor belt.
  • Fig. 2 is a milling drum 2 rotatably mounted between orthogonal to the axis 20 of the milling drum 2 extending side walls 13, 15 of the roller box 9 and is driven by a mounted on the drive side side wall 13 drive means 16 and a gear unit 17, driven.
  • milling drum 2 consists of a one-piece milling tube 4, which is removably attached to a roller body 19.
  • the roller body 19 is in turn attached to the output housing 21 of the transmission unit 17.
  • the roller main body 19 is arranged axially next to the drive housing 21 and transmits the torque of the gear unit 17 in the manner of a reduction gear to the respective inserted milling tube 4th
  • the milling drum drive 16 preferably consists of a belt drive.
  • the milling tube is in Fig. 2 screwed via an annular flange 23 to the roller body 19, which in turn is rotatably mounted in the removable side wall 15.
  • On the milling drum drive 16 facing side of the milling tube 4 a rotatably connected to the milling tube 4 support ring 8 is arranged, which cooperates with a seated on the output housing 21 support ring receptacle 12.
  • the support ring 8 and the support ring receptacle 12 have a plurality of mutually complementary to Fräswalzenachse 20 mutually complementary support surfaces 22, 24 with different Stütz Vietnamese bemessern, which are arranged axially one after another with decreasing in the direction of the side wall 15 diameter.
  • five support surfaces are arranged axially one behind the other.
  • the axial length of the support surfaces 22, 24 is 15 mm in the illustrated embodiments, but may vary depending on the diameter of the milling drum 2 between 5 and 40 mm, preferably between 10 and 20 mm.
  • the exemplary embodiments show that the axial length of all supporting surfaces 22, 24 is the same. However, they may also have a different length, and preferably such that the length of the support surfaces 22, 24 decreases with decreasing Stauer réelle bemesser.
  • annular chambers 25 may be filled with a corrosion inhibitor and / or a lubricant.
  • an injection channel 26 may be provided over which, as shown Fig. 3 it can be seen, at least three annular chambers 25 can be supplied with grease via a grease nipple 28, for example.
  • the support surfaces 22, 24 may be coated with a sliding layer to facilitate the assembly and disassembly of the milling tube 4.
  • the support ring receptacle 12 may consist of a one-piece ring, as shown Fig. 2 be seen, or may also be integral with the output housing 21 of the gear unit 17, as from the embodiments of FIGS. 9 and 10 evident.
  • the support ring receptacle 12 of a multi-part in the FIGS. 5 and 6 consist of two-part ring, which is mounted on a rotatably mounted body, such as the output housing 21 of the transmission unit 17.
  • the support ring receptacle 12 may also be axially movably mounted on a rotatably mounted body, as in the embodiments of the FIGS. 2 to 4 is possible, or axially immovably mounted on the rotatably mounted body, as from the embodiments of FIGS. 9 and 10 evident.
  • Fig. 5 fastening screws 14 can be seen, with which the support ring receptacle 12 is mounted on a rotatably mounted body. It is understood that the rotatable body can also consist of a ring or connection flange and not necessarily an output housing 21 or a roller base 19 must be.
  • Fig. 6 is a section along the line VI-VI in Fig. 5 , wherein the cutting path passes through the injection channel 26.
  • Fig. 8 shows a side view of the support ring receptacle 12, taken along the line VIII-VIII in Fig. 5 ,
  • Fig. 7 a mechanical Abdschreib worn 29 is shown in which by means of screws 30, the milling tube 4 can be deducted from its storage on the support ring receptacle.
  • the screws 30 are screwed against the mounting flange 23, whereby the milling tube 4 of the milling drum 2 can be deducted.
  • a 45 ° extending chamfer 32 is provided which facilitates the mounting and centering of the milling tube 4.
  • Corresponding chamfers 32 are also provided between the support surfaces 22 of the support ring 8.
  • the support surfaces 22, 24 are concentric with the Fräswalzenachse 20, preferably coaxially.
  • the height of a step between the support surfaces 22, 24 is for example 1 to 4 mm, wherein a step jump of 2 mm has proven to be particularly advantageous.

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)
  • Crushing And Grinding (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Road Paving Machines (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
EP07102726A 2006-03-31 2007-02-20 Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze Active EP1840268B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006015506A DE102006015506B3 (de) 2006-03-31 2006-03-31 Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze

Publications (2)

Publication Number Publication Date
EP1840268A1 EP1840268A1 (de) 2007-10-03
EP1840268B1 true EP1840268B1 (de) 2009-09-16

Family

ID=38254991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07102726A Active EP1840268B1 (de) 2006-03-31 2007-02-20 Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze

Country Status (9)

Country Link
US (2) US7901011B2 (pt)
EP (1) EP1840268B1 (pt)
JP (1) JP4781304B2 (pt)
CN (1) CN101046085B (pt)
AT (1) ATE443183T1 (pt)
AU (1) AU2007201080B2 (pt)
BR (1) BRPI0701984B1 (pt)
DE (2) DE102006015506B3 (pt)
RU (1) RU2345192C1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006015506B3 (de) * 2006-03-31 2007-11-08 Wirtgen Gmbh Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze
DE102009014729B3 (de) * 2009-03-25 2010-11-04 Wirtgen Gmbh Auswerfer für eine Straßenfräsmaschine oder dergleichen
US8469456B2 (en) 2009-03-25 2013-06-25 Wirtgen Gmbh Ejector unit for a road milling machine or the like
DE102009059064B4 (de) 2009-12-18 2012-04-26 Wirtgen Gmbh Selbstfahrende Straßenfräsmaschine
CN102678114A (zh) * 2011-03-12 2012-09-19 刘素华 滚耙料装置
DE102012103440B4 (de) * 2012-04-19 2016-01-21 Wirtgen Gmbh Kufensegment für einen Kantenschutz einer Straßenfräsmaschine und Kantenschutz für eine Straßenfräsmaschine
DE102012008252B4 (de) * 2012-04-25 2026-02-12 Bomag Gmbh Fräseinrichtung für eine Bodenfräsmaschine, Fräswalze für eine solche Fräseinrichtung und Bodenfräsmaschine mit einer solchen Fräseinrichtung
DE102013208638B4 (de) * 2013-05-10 2018-01-11 Wirtgen Gmbh Straßenfräsmaschine, sowie Verfahren zur Montage einer fliegend gelagerten Fräswalze
DE102015209740A1 (de) * 2014-12-30 2016-06-30 Wirtgen Gmbh Selbstfahrende Strassenfräsmaschine zum Bearbeiten von Strassenoberflächen, sowie Verfahren zum Bearbeiten von Strassenoberflächen mit einer Strassenfräsmaschine
CN105099073B (zh) * 2015-07-24 2017-07-28 乌兰察布市金桥公路工程有限责任公司 一种可精确调节的智能化道路施工装置
CN104963263B (zh) * 2015-07-24 2017-12-29 徐建声 一种液压升降的道路施工装置
CN104963267B (zh) * 2015-07-24 2017-01-25 关士锋 一种可稳定运行的智能化道路施工装置
DE102016113251A1 (de) * 2015-10-27 2017-04-27 Wirtgen Gmbh Fräsmaschine und Verfahren zum Betrieb einer Fräsmaschine
US10584450B2 (en) * 2017-03-23 2020-03-10 Caterpillar Paving Products Inc. Rotary mixer
DE102017220518A1 (de) * 2017-05-23 2018-11-29 Wirtgen Gmbh Bodenbearbeitungsmaschine mit einer durch zentrale Schraubanordnung axial mit hohem Anzugsmoment positionssicherbaren drehbaren Arbeitsvorrichtung und Verfahren zum Herstellen und Lösen einer solchen Sicherung
DE102017208775A1 (de) * 2017-05-23 2018-11-29 Wirtgen Gmbh Bodenbearbeitungsmaschine, deren Arbeitsvorrichtung mit einem Bord-Aktuator aus ihrer Betriebsposition verlagerbar ist
EP3636838B1 (de) * 2017-05-23 2021-07-21 Wirtgen GmbH Bodenbearbeitungsmaschine und verfahren zum abdrücken einer arbeitsvorrichtung einer bodenbearbeitungsmaschine
DE102020105391B3 (de) 2020-02-28 2021-03-18 Wirtgen Gmbh Bodenbearbeitungsmaschine mit Formschluss zwischen rotierender Arbeitsbaugruppe und dessen Drehlager
US11674273B2 (en) * 2021-10-06 2023-06-13 Caterpillar Paving Products Inc. Milling drum with alignment interface
US11834798B2 (en) 2021-10-06 2023-12-05 Caterpillar Paving Products Inc. System for transferring torque from driveshafts to milling drums
US11585053B1 (en) 2021-10-13 2023-02-21 Caterpillar Paving Products Inc. Milling machine with drum bearing assembly
US20250027280A1 (en) * 2023-07-19 2025-01-23 Caterpillar Paving Products Inc. Serviceable milling drum load support
US12486626B2 (en) 2023-07-19 2025-12-02 Caterpillar Paving Products Inc. Quick change rotor alignment feature
PL446886A1 (pl) 2023-11-28 2025-06-02 Pronar Spółka Z Ograniczoną Odpowiedzialnością Urządzenie do stabilizacji gruntu i kruszyw z walcem frezującym

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DE2836395C2 (de) * 1978-08-19 1980-07-17 Gebr. Heller Maschinenfabrik Gmbh, 7440 Nuertingen Satzfräser
EP0089386A1 (de) * 1982-03-19 1983-09-28 Losenhausen Maschinenbau AG& Co Kommanditgesellschaft Rüttelwalze mit geteilter Walzentrommel
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JP2530075Y2 (ja) * 1989-05-16 1997-03-26 小松造機株式会社 路面切削機械の切削ドラム取付装置
US5505598A (en) * 1994-07-29 1996-04-09 Wirtgen America, Inc. Milling machine with multi-width cutter
DE19504495A1 (de) * 1995-02-12 1996-08-22 Wirtgen Gmbh Maschine zur Erneuerung von Fahrbahnen
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KR101005186B1 (ko) * 2002-07-09 2011-01-04 비르트겐 게엠베하 자력으로 추진하는 도로밀링기계
CN2594299Y (zh) * 2002-09-29 2003-12-24 兖州恒升机械有限公司 路面铣刨机
DE102006015506B3 (de) * 2006-03-31 2007-11-08 Wirtgen Gmbh Fräswalze für eine Baumaschine, Baumaschine sowie Getriebeeinheit für eine Fräswalze

Also Published As

Publication number Publication date
RU2007111855A (ru) 2008-10-10
AU2007201080B2 (en) 2009-07-16
JP2007270611A (ja) 2007-10-18
DE502007001518D1 (de) 2009-10-29
RU2345192C1 (ru) 2009-01-27
JP4781304B2 (ja) 2011-09-28
BRPI0701984A (pt) 2008-07-15
DE102006015506B3 (de) 2007-11-08
US20110115278A1 (en) 2011-05-19
BRPI0701984B1 (pt) 2018-01-30
EP1840268A1 (de) 2007-10-03
CN101046085B (zh) 2011-02-09
AU2007201080A1 (en) 2007-10-18
ATE443183T1 (de) 2009-10-15
CN101046085A (zh) 2007-10-03
US8118369B2 (en) 2012-02-21
US20070228806A1 (en) 2007-10-04
US7901011B2 (en) 2011-03-08

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