EP4170095A1 - Outil de laminage pour un rouleau de traitement du sol - Google Patents

Outil de laminage pour un rouleau de traitement du sol Download PDF

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Publication number
EP4170095A1
EP4170095A1 EP22196446.3A EP22196446A EP4170095A1 EP 4170095 A1 EP4170095 A1 EP 4170095A1 EP 22196446 A EP22196446 A EP 22196446A EP 4170095 A1 EP4170095 A1 EP 4170095A1
Authority
EP
European Patent Office
Prior art keywords
tool
change
holder
holder part
roller
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
EP22196446.3A
Other languages
German (de)
English (en)
Other versions
EP4170095B1 (fr
Inventor
Matthias Meier
Johannes Malzer
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.)
Hamm AG
Original Assignee
Hamm AG
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 Hamm AG filed Critical Hamm AG
Publication of EP4170095A1 publication Critical patent/EP4170095A1/fr
Application granted granted Critical
Publication of EP4170095B1 publication Critical patent/EP4170095B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
    • E02D3/039—Slope rollers
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/236—Construction of the rolling elements, e.g. surface configuration, rolling surface formed by endless track
    • 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
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
    • E02D3/0265—Wheels specially adapted therefor; Cleats for said wheels
    • 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

Definitions

  • the present invention relates to a roller tool for a soil tillage roller of a soil tillage machine.
  • a roller tool for a soil-cultivating roller which includes a quick-change holder fixed with its attachment area by welding to an outer peripheral surface of a roller shell of a soil-cultivating roller.
  • a tool holder opening into which a changing tool shank of a tool designed as a chisel, for example, is inserted by moving it in the direction of a longitudinal axis of the tool holder opening and locked therein by latching.
  • the changing tool can be pressed out of the changing tool holder opening by means of a tool that is to be inserted through a lateral opening in the changing tool holder part and positioned behind the changing tool shank.
  • a roller tool for a soil tillage machine which includes a change holder fixed with its attachment area by welding to an outer peripheral surface of a roller shell of a soil tillage roller.
  • a change holder opening is formed in the change holder, into which a change tool shank of a change tool designed, for example, as a chisel, is inserted by moving in the direction of a longitudinal axis of the change holder opening.
  • closing elements are inserted from both sides into lateral openings provided on the interchangeable tool holder, which on the one hand close the lateral openings provided in the interchangeable tool holder against the ingress of dirt and on the other hand engage with the interchangeable tool shaft and thereby lock the interchangeable tool on the interchangeable tool holder .
  • the object of the present invention is to provide a roller tool for a soil tillage roller of a soil tillage machine, in which a change tool can be reliably fixed to a change holder and can be easily detached from the change holder even after a long period of operation.
  • a roller tool for a soil cultivation roller of a soil cultivation machine comprising a change holder to be fixed on an outer peripheral side of a carrier shell, the change holder having a connection area for fixed connection to an outer peripheral surface of the carrier shell and a change holder opening elongated in the direction of a longitudinal axis of the opening for receiving a change tool shank includes a change tool to be detachably fixed on the change holder.
  • the two quick-change holder parts together take on the function of stable and reliable locking of a respective roller tool on the quick-change holder, while only one of the two quick-change holder parts, which are structurally different from one another, is used to firmly connect the quick-change holder to a carrier jacket.
  • This enables a stable and resistant to the massive impacts occurring during work fixing of the quick change holder on a carrier jacket, while a change tool held on such a change holder can be detached from this in a simple manner by the fact that the is not on the Carrier jacket attached change holder part is removed and thereby the changing tool is released.
  • the first interchangeable tool holder part delimits the interchangeable tool holder opening in the circumferential direction around the longitudinal axis of the opening in a first circumferential area
  • the second interchangeable tool holder part delimits the interchangeable tool holder opening in the circumferential direction around the longitudinal axis of the opening in a second circumferential area
  • the first circumferential area is larger as the second perimeter
  • a change tool holding formation can be provided on the change holder, the change tool holding formation preferably being provided only on the first change holder part for an easy-to-implement structure.
  • the interchangeable tool holding formation can be configured to extend around the longitudinal axis of the opening essentially in the first peripheral area.
  • the roller tool according to the invention can also include a changing tool with a changing tool shank to be received in the changing tool holder opening, with a counter-holding formation for engagement with the changing tool holding formation being provided on the changing tool shank.
  • a stable positive connection between a change holder and a changing tool held on it can be achieved, for example, by the changing tool holding formation comprising a holding projection protruding radially inwards with respect to the longitudinal axis of the opening, and by the counter-holding formation having a holding recess set back radially inwards with respect to a longitudinal axis of the shank of the changing tool includes.
  • a quick-change holder part receiving recess for receiving the second quick-change holder part can be formed on the first quick-change holder part.
  • a stable connection of the two interchangeable tool holder parts to one another can be achieved, for example, in that the second interchangeable tool holder part is fixed to the first interchangeable tool holder part by a plurality of fastening elements.
  • a fastening element passage opening can be provided in association with at least one fastening element
  • a fastening element positive engagement opening can be provided in association with each fastening element passage opening of one change holder part be provided.
  • a high level of stability of the assembly can be ensured in that at least one fastening element reach-through opening is provided in the one change holder part, preferably the first change holder part, on both sides of the change holder opening.
  • an interchangeable tool support area that faces away from the attachment area can be provided on the interchangeable tool holder.
  • the change tool support area can comprise a change tool support surface that preferably essentially completely surrounds the change holder opening, a first change tool support surface part being provided on the first change holder part and a second change tool support surface part being provided on the second change holder part.
  • the invention also relates to a soil tillage roller, comprising a plurality of roller tools constructed according to the invention, the first interchangeable tool holder parts of the roller tools being firmly connected to a carrier shell by welding, preferably in each case a weld seam surrounding the connection area of a respective first interchangeable tool holder part essentially without interruption.
  • the carrier jacket can be, for example, a roller jacket of the soil tillage roller.
  • the carrier jacket can be a casing jacket to be arranged surrounding the roller jacket of the soil tillage roller, which is arranged to surround a roller shell of a soil tillage roller having a substantially unstructured outer peripheral surface for carrying out a corresponding soil tillage operation.
  • the invention also relates to a soil tillage machine with at least one soil tillage roller constructed according to the invention.
  • the changing tool shank can be inserted into the part of the changing tool holder opening formed in the first changing tool holder part by moving it transversely to the longitudinal axis of the opening.
  • an interchangeable tool is not inserted into an associated interchangeable holder opening by moving in the direction of a longitudinal axis of the shank, but rather by moving transversely, for example essentially orthogonally to the longitudinal axis of the shank, with a tool also acting in the direction of the longitudinal shank axis Positive locking between the change holder part and the changing tool can be generated.
  • a soil tillage roller for a soil tillage machine constructed, for example, in the manner of a soil compactor is denoted generally by 10 .
  • the soil tillage roller 10 comprises a roller shell 12 surrounding a roller axis of rotation A and having an outer circumferential surface 14.
  • a plurality of first quick-change holder parts 16 of quick-change holders, generally designated 18, of roller tools, generally designated 20, are fixed by welding to the outer circumferential surface 14 of the roller shell 12.
  • the first change holder parts 16 are in a plurality of in the direction of Axis of rotation A of the rollers, arranged one after the other in the circumferential direction, with the first quick-change holder parts 16 arranged in the axial direction being arranged offset from one another in the circumferential direction.
  • the 2 shows the tillage roller 10 of 1 with the complete roll tools 20.
  • these include second change holder parts 22 and change tools 24 in the form of chisels held by them on the first change holder parts 16.
  • the soil tillage roller 10 shown includes the roller tools 20 carried on the change holders 18 roller tools 24 'in the form of pad feet.
  • the change holder 18 of the roller tools 20 are fixed directly to the roller shell 12 providing a carrier shell 26.
  • a cladding jacket constructed, for example, with a plurality of shell segments could be used as the carrier jacket 26, which can be arranged surrounding the roller jacket 12 of such a soil tillage roller 10 if necessary.
  • the roller tool 20 includes the first quick-change holder part 16 made, for example, from a cast or forged component.
  • the first quick-change holder part 16 made, for example, from a cast or forged component.
  • the attachment area 28 substantially in its entire peripheral area of is surrounded by a chamfer 30, so that the first quick-change tool holder part 16 can be fixed to the carrier jacket 26 or to the outer peripheral surface 14 by a weld seam that preferably runs completely around the attachment area 28 in the circumferential direction and engages in the chamfer 30.
  • a stable, solid bond between the carrier jacket 26 and the first change holder part 16 is created.
  • the roller tool 20 or its change holder 18 also includes the in 10 second quick-change tool holder part 22 shown.
  • a change holder opening is formed in the change holder 18. This is elongated in the direction of a longitudinal axis Lo of the opening and is therefore open radially outwards with respect to the axis of rotation A of the roller when the change holder 18 is attached to a carrier casing 26 .
  • the tool holder opening 42 is delimited by the two tool holder parts 16, 22 in the circumferential direction.
  • the first tool holder part 16 delimits the tool holder opening 42 in a first peripheral region U 1 .
  • the second change holder part 22 delimits the change holder opening 42 in the remaining second peripheral region U 1 , which, as the synopsis of 10 22 and 22 make this clear, is significantly smaller than the first peripheral region U 2 .
  • the toolholder opening 42 formed largely in the first toolholder part 16 or the part thereof formed in the first toolholder part 16 is open transversely to the longitudinal axis Lo of the opening, in particular to the toolholder part-receiving recess 32.
  • the tool changer 24 or 24 ' Therefore, when assembling a roller tool 20, it is inserted laterally, ie transversely with respect to the longitudinal axis Lo of the opening, into the part of the quick-change tool holder opening 42 formed in the first quick-change tool holder part 16.
  • an interchangeable tool holding formation generally designated 44 is provided on the first interchangeable holder part 16 .
  • a counter-holding formation 51 is formed with a holding recess 50 that is set back radially inward with respect to a longitudinal axis Ls of the shank.
  • the retaining recess 50 also has a structure that tapers radially inwards with respect to the longitudinal shaft axis Ls, for example conically tapering.
  • the retaining projection 46 enters the retaining recess 50 a. Due to the interaction of the tapering retaining projection 46, which thus creates a wedge effect, with the retaining recess 50, the changing tool 24 moves in the direction of the opening longitudinal axis Lo or the shaft longitudinal axis Ls in the direction of the first changing holder part 16 or its connection area 28, i.e. when attached to a Tillage roller 10 is biased radially inwards with respect to the axis of rotation A of the roller.
  • the interchangeable tool 24 comes into contact with a counter-support area 54 formed on a body area 52 thereof against an interchangeable tool support area 56 formed on the interchangeable holder 18.
  • the changing tool support area 56 comprises a ring-like changing tool supporting surface 58 substantially completely surrounding the changing tool opening 42.
  • a first supporting surface part 60 of the changing tool supporting surface is formed on the first changing tool holder part 16, and a second changing tool supporting surface part 62 is formed on the second changing tool holder part 22 .
  • the first and second replacement tool support surface parts 60 , 62 are dimensioned differently in the peripheral direction around the longitudinal axis Lo of the opening.
  • the second quick-change tool holder part 22 is fixed to the first quick-change tool holder part 16 by two fastening elements 64, 66 designed, for example, as screw bolts.
  • Each of these fastening elements 64, 66 comprises an externally threaded shank 68 with a head 70.
  • a fastener reach-through opening 72, 74 is formed through which the externally threaded shank 68 of a respective fastener 64, 66 can be passed.
  • a fastening element positive-locking engagement opening 76 , 78 is formed in the second quick-change holder part 22 .
  • the fastening element form-fitting engagement openings 76, 78 can be designed as internally threaded openings, into which the shanks 68 of the fastening elements 64, 66 in the interchangeable holder part receiving recess 32 arranged second tool holder part 22 can be screwed in order to brace the second tool holder part 22 firmly against the first tool holder part 16 in this way.
  • extended head receiving areas 80, 82 are provided in the region of the fastening element reach-through openings 72, 74, into which the heads 70 of the fastening elements 64, 66 can immerse completely.
  • the second toolholder part 22 is therefore essentially used to press the tool shank 48 laterally into that part of the toolholder opening 42 formed in the first toolholder part 16 and thereby to press the retaining projection 46 of the first toolholder part 16 into the retaining recess 50 of the tool shank 48 and thus continue to To press chisel-trained changing tool 24 with its counter-support area 54 against the changing tool support area 56.
  • the counter-support area 54 is essentially provided by a ring-like surface 84 on the changing tool body 52 that surrounds the changing tool shank 48 and is oriented essentially orthogonally to the longitudinal axis Ls of the shank.
  • a padfoot designed as a changing tool 24 ' is in the Figures 13 to 15 shown in more detail.
  • This also has an interchangeable tool body 52 providing the padfoot structure, from which the interchangeable tool shaft 48 with the retaining recess 50 formed therein extends.
  • An anti-rotation projection 86 is provided on a peripheral side of the interchangeable tool body 52 . In the assembled state, this engages over the second change holder part 22 and thus prevents the change tool 24′ from rotating about the longitudinal axis Ls of the shank.
  • the changing tool shank 48 When attaching such a changing tool 24 ′ designed as a padfoot to the changing holder 18 , the changing tool shank 48 is inserted laterally into the first changing holder part 16 , as described above, so that the holding projection 46 and the holding recess 50 enter.
  • the second change holder part 22 is positioned on the change tool 24' in such a way that the rotation lock projection 86 already overlaps the second change holder part 22.
  • the second quick change tool holder part 22 and the changing tool 24' are then moved together towards the first quick change tool holder part 16, so that the quick change tool shaft 48 laterally enters the part of the quick change tool holder opening 42 formed in the first quick change tool holder part and, essentially at the same time, the second quick change holder part 22 enters the quick change tool holder part receiving recess 32 entry. Thereafter, the two change holder parts 16, 22 holding the change tool together can be fixed to one another by the fastening elements 64, 66.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Architecture (AREA)
  • Road Repair (AREA)
  • Harvester Elements (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Soil Working Implements (AREA)
EP22196446.3A 2021-10-22 2022-09-20 Outil de laminage pour un rouleau de traitement du sol Active EP4170095B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021127441.9A DE102021127441A1 (de) 2021-10-22 2021-10-22 Walzenwerkzeug für eine Bodenbearbeitungswalze

Publications (2)

Publication Number Publication Date
EP4170095A1 true EP4170095A1 (fr) 2023-04-26
EP4170095B1 EP4170095B1 (fr) 2024-03-13

Family

ID=83398193

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22196446.3A Active EP4170095B1 (fr) 2021-10-22 2022-09-20 Outil de laminage pour un rouleau de traitement du sol

Country Status (5)

Country Link
US (1) US20230127739A1 (fr)
EP (1) EP4170095B1 (fr)
CN (2) CN116005532A (fr)
AU (1) AU2022256152B2 (fr)
DE (1) DE102021127441A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020131448A1 (de) * 2020-11-27 2022-06-02 Hamm Ag Walzenwerkzeug für eine Bodenbearbeitungswalze

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013217042A1 (de) 2013-08-27 2015-03-05 Hamm Ag Wechselhalter für eine Verdichterwalze für einen Bodenverdichter
EP3093393A1 (fr) 2012-01-16 2016-11-16 Hamm AG Rouleau de compactage pour un rouleau compresseur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6682262B2 (en) 2000-05-05 2004-01-27 Caron Compactor Company Fill and compaction roller using replaceable cleat assemblies with extended service life
DE102013217043A1 (de) 2013-08-27 2015-03-05 Hamm Ag Wechselhalteranordnung für eine Verdichterwalze für einen Bodenverdichter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3093393A1 (fr) 2012-01-16 2016-11-16 Hamm AG Rouleau de compactage pour un rouleau compresseur
DE102013217042A1 (de) 2013-08-27 2015-03-05 Hamm Ag Wechselhalter für eine Verdichterwalze für einen Bodenverdichter

Also Published As

Publication number Publication date
EP4170095B1 (fr) 2024-03-13
CN116005532A (zh) 2023-04-25
CN219240243U (zh) 2023-06-23
AU2022256152B2 (en) 2024-04-11
US20230127739A1 (en) 2023-04-27
DE102021127441A1 (de) 2023-04-27
AU2022256152A1 (en) 2023-05-11

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