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EP0875624A2 - Equipement pour le fraisage des chaussées - Google Patents

Equipement pour le fraisage des chaussées Download PDF

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Publication number
EP0875624A2
EP0875624A2 EP97309181A EP97309181A EP0875624A2 EP 0875624 A2 EP0875624 A2 EP 0875624A2 EP 97309181 A EP97309181 A EP 97309181A EP 97309181 A EP97309181 A EP 97309181A EP 0875624 A2 EP0875624 A2 EP 0875624A2
Authority
EP
European Patent Office
Prior art keywords
machine
drum
trench
planing
road
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
EP97309181A
Other languages
German (de)
English (en)
Other versions
EP0875624A3 (fr
EP0875624B1 (fr
Inventor
Michael Tetlaw
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.)
Tetlaw Michael
Original Assignee
Tetlaw Contracting Co Ltd
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 Tetlaw Contracting Co Ltd filed Critical Tetlaw Contracting Co Ltd
Publication of EP0875624A2 publication Critical patent/EP0875624A2/fr
Publication of EP0875624A3 publication Critical patent/EP0875624A3/fr
Application granted granted Critical
Publication of EP0875624B1 publication Critical patent/EP0875624B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings
    • 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
    • E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
    • 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
    • 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
    • E01C23/09—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/0906—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
    • E01C23/0926—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
    • E01C23/0933—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters

Definitions

  • This invention relates to improvements in road planing machines, alternatively referred to as cold milling machines.
  • Road planing machines are used to remove the surface region of roads in preparation for laying a new surface. They work by contacting a revolving drum equipped with an array of cutter elements with the surface, which is fragmented and removed.
  • the configuration of the array of cutter elements is generally spiral such that, as the drum rotates, fragmented surface material or "planings", is carried either to one end of the drum for removal or is concentrated in a central region, for ejection to a discharge conveyor.
  • the planing drum is located inboard of the chassis of the machine and is mounted off-centre so that one end of the drum extends nearly to the side of the machine; the drum is raised and lowered by alteration of the height of the rear roadwheels relative to the chassis.
  • the rear roadwheel on the "drum" side of the machine is mounted on a pivot such that can be positioned in front of the drum when the machine is used for planing adjacent and up to a kerb or other boundary line or beside and outboard of the drum when the machine is used for planing away from the kerb.
  • Road planing machines may also be fitted with a side cutting wheel mounted on the drum side and outboard of the chassis beyond the planing drum, for the purpose of cutting a groove or trench at the side of the road or carriageway, or for removing kerbstones.
  • a side cutting wheel mounted on the drum side and outboard of the chassis beyond the planing drum, for the purpose of cutting a groove or trench at the side of the road or carriageway, or for removing kerbstones.
  • wheels are either of 80 mm or 300 mm in width and cut to a depth of up to 400 mm.
  • the surface of the wheel is provided with an array of carbide-tipped cutter elements which are angled forwardly in the direction of travel of the lower part of the wheel for cutting action on the upstroke.
  • the cutter wheel rotates in the reverse direction so that the lower part of the wheel moves in the advance direction and the cutter elements cut and remove material in a scoop-like manner.
  • the cutting wheel creates a substantial drag force on the drum side of the machine, which tends to cause the machine to adopt a "crabbing" attitude as it advances.
  • the rear roadwheel itself resists the tendency to a crabbing attitude on using the cutting wheel.
  • the rear roadwheel may be at least temporarily fixed in a fore-and-aft direction but it is preferred that the mounting for the rear roadwheel includes means selectivity to alter the angle of the roadwheel on either side of a vertical plane parallel with the longitudinal axis of the machine, whereby the driver can "steer" the rear of the machine to provide an additional resistance or counteraction to the crabbing tendency.
  • the drum When using the machine according to the invention to cut a groove or trench with the side cutting wheel, the drum is used without the planing cutter elements and the minimum height of the chassis is selected, such that the surface of the drum just contacts the road surface and the cutting wheel can operate to the maximum depth according to the its diameter.
  • the rear roadwheel may be vertically adjustable relative to the chassis of the machine to provide for height adjustment of the chassis and hence adjustment to the cutting depth of the cutting wheel.
  • the main roadwheel in front of the planing drum may either be removed altogether or vertically retracted away from contact with the ground when the cutting wheel is in use.
  • the cutting wheel When the cutting wheel is used to remove kerbstones, they or at least significant portions of them have a tendency to be raised bodily by the cutter elements, rather than being completely reduced to fragments. Thus, typically, the rear end of a kerbstone will be reduced to fragments by the cutting wheel but a significant part of the front end will often be raised away from its seating by the lifting action of the cutter elements, following which the kerbstone part will either be urged inboard of the machine, where it may foul the planing drum as the machine advances, or outboard of the machine, where it may present a hazard to workmen or passersby.
  • a road planing machine which includes a planing drum and a side cutting wheel also includes a kerbstone restraint member mounted in front of the cutting wheel.
  • the kerbstone restraint member preferably comprises a raisable and lowerable leg which includes a bottom plate or pad against which a lifting kerbstone or part thereof will engage and will be held or restrained against the lifting action of the cutter elements of the cutting wheel, whereby the section of kerbstone between the rear end thereof and the restraint member will be reduced to fragments as the machine advances.
  • a method for stabilizing the edge regions of unkerbed roads comprises providing a trench along the edge of the road, back-filling the trench will spoil material supplemented if necessary by road planings, adding a settable material to the trench filling, compacting the materials in the trench and allowing them to set.
  • the settable material may be applied before or after the trench is filled. If the settable material is applied before filling of the trench, the settable material may be intimately mixed with spoil removed as the trench is formed and may only require to be scraped or brushed off the road surface back into the trench before compaction takes place.
  • the side cutting wheel of the road planing machine as hereinbefore described may be used to cut the trench, the dimensions of which should be approximately 300 mm in width and between 100 and 200 mm in depth.
  • settable material will depend on the nature of the soil. Thus, cement may be used for a sandy base material and lime may be used for clay. Ground granulated blast furnace slag may be used as a partial or total substitute for cement.
  • the settable material will generally be added to a concentration of between 1.5 and 6% by volume, based on the spoil.
  • the resulting stabilized edge may be top-dressed, following any necessary sealing of peripheral gaps or cracks at the interfacial zone between the stabilized edge and the remainder of the carriageway.
  • the method of the invention includes the use of automated metering of the settable material to the trench spoil, prior to compaction.
  • the machine shown generally at 10 includes a motor cover 11, a driving portion 12 and front steerable roadwheels 13.
  • the machine is supported by roadwheels 14, 15 (see also Figure 2) carried on vertically-displaceable legs to adjust the height of the rear of the machine above the ground. Only leg 16 is shown, carrying wheel 15.
  • the wheels are individually driven by hydraulic motors fed by a common hydraulic variable displacement pump; a selectable differential lock provides for equal traction at all wheels.
  • a planing drum 17 is mounted off-centre for rotation about a lateral axis and a side cutting wheel 18 is demountably carried coaxially with drum 17, at the drum side of the machine.
  • the cutting wheel carries carbide-tipped cutters 19.
  • a further roadwheel 20 is carried on a vertically retractable leg 21 mounted on a bracket 22 hinged about a vertical axis.
  • Roadwheel 15, as shown in Figures 1 and 2 is disposed behind the planing drum and the vertically displaceable leg 16 is pivoted to the rear of the chassis to provide a steering effect, controlled by hydraulic ram 23.
  • the cutting wheel 19 is provided with protective guards 24, 25 (see also Figure 3) mounted respectively to the outside of and above the wheel and by a downwardly-biased plate 26 between the wheel 18 and the planing drum 17.
  • the plate 26 contacts the surface of the ground irrespective of the position of the machine in a vertical plane as determined by the vertically-displaceable legs and the lower edge thereof is shown in dashed outline in Figure 1.
  • the planing drum is shielded by a cover plate 27.
  • the drum 16 and cutting wheel 17 are driven by a belt (not shown) which engages a pulley block 28 drivingly connected to the drum via a reduction gearbox (not shown).
  • a leg 29 having its lower end formed as a foot 30 is carried so as to be raised or lowered with the foot 30 in front of the cutting wheel 18, controlled by hydraulic ram 31.
  • the foot 30 is shown at the raised position; 30A indicates the lowered position.
  • bracket 22 is disposed as shown in Figures 1 and 2, whereby the wheel 20 is inboard of the chassis of the machine.
  • the bracket 22 is swung rearwardly about its pivot axis such that it is disposed next to the end of the drum and outboard of the chassis, as indicated by dashed lines 20A in Figure 2.
  • the legs for the wheels 14, 20 are height-adjusted to bring the planing drum to the desired working position in relation to the road surface.
  • leg 16 In use for digging a trench or removing kerbstones, the leg 16 is lowered to raise the rear end of the machine, leg 21 is raised to the position shown in Figure 1, and the cutting wheel 18 is attached. Leg 16 (and also the leg supporting wheel 14) is then raised to lower the rear of the machine while the cutting wheel rotates, digging into the ground until the desired cutting depth is attained; the legs are then held at this position and the machine advances.
  • the leg 29 is lowered until the sole of the foot 30 is at or marginally above the upper surface of the kerbstones, whereby any kerbstones or parts thereof dislodged by the cutting wheel and urged upwardly are restrained by the foot and the exposed kerbstone end between the foot and the cutting wheel is reduced to small fragments as the machine advances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Road Repair (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Steroid Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Navigation (AREA)
  • Harvester Elements (AREA)
EP97309181A 1996-11-14 1997-11-14 Equipement pour le fraisage des chaussées Expired - Lifetime EP0875624B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9623689 1996-11-14
GBGB9623689.8A GB9623689D0 (en) 1996-11-14 1996-11-14 Road planing machines

Publications (3)

Publication Number Publication Date
EP0875624A2 true EP0875624A2 (fr) 1998-11-04
EP0875624A3 EP0875624A3 (fr) 1999-06-23
EP0875624B1 EP0875624B1 (fr) 2003-10-22

Family

ID=10802919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97309181A Expired - Lifetime EP0875624B1 (fr) 1996-11-14 1997-11-14 Equipement pour le fraisage des chaussées

Country Status (5)

Country Link
EP (1) EP0875624B1 (fr)
AT (1) ATE252665T1 (fr)
DE (1) DE69725701T2 (fr)
ES (1) ES2210464T3 (fr)
GB (1) GB9623689D0 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101806034A (zh) * 2010-04-15 2010-08-18 长安大学 沥青路面圆形坑槽铣刨设备
CN102518033A (zh) * 2012-01-06 2012-06-27 长安大学 可自动回收铣刨碎料的沥青路面圆形坑槽铣刨设备
CN110241701A (zh) * 2019-05-27 2019-09-17 内蒙古路桥工程技术检测有限责任公司 坑槽检测后修补工具
US20200080267A1 (en) * 2018-09-06 2020-03-12 Roadtec, Inc. Side cutter for milling machine
CN114214906A (zh) * 2021-12-29 2022-03-22 郑州市交通规划勘察设计研究院 一种道路施工预处理装置及其施工方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101324049B (zh) * 2007-06-14 2012-01-04 湖南力威液压设备有限公司 多功能液压划线、灌缝机
CN101881006B (zh) * 2010-07-15 2012-02-01 莱州市精磊机械有限公司 高速铁路箱梁铣刨机
DE102013208539B4 (de) * 2013-05-08 2023-07-27 Wirtgen Gmbh Vorrichtung zum Bearbeiten von Straßen- oder Bodenoberflächen
CN104032659B (zh) * 2014-06-09 2016-08-31 湖南三一路面机械有限公司 铣刨机及其智能找平系统、方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895843A (en) * 1973-10-23 1975-07-22 British Jeffrey Diamond Limite Road planing machine
US4221434A (en) * 1978-03-23 1980-09-09 Cmi Corporation Roadway breaker plate for a planar apparatus
DE3620120A1 (de) * 1986-06-14 1987-12-17 Franz Broehl Verfahrbare anbaufraesmaschine fuer den strassen-, hochbau od. dgl.
DE3903482A1 (de) * 1989-02-06 1990-08-23 Wirtgen Gmbh Frontladerfraesvorrichtung zum abfraesen von beschaedigten strassendecken
WO1995011346A1 (fr) * 1993-10-18 1995-04-27 Rota-Pic Limited Ameliorations apportees a un engin de travaux publics destine au rabotage du revetement routier
DE19504495A1 (de) * 1995-02-12 1996-08-22 Wirtgen Gmbh Maschine zur Erneuerung von Fahrbahnen

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101806034A (zh) * 2010-04-15 2010-08-18 长安大学 沥青路面圆形坑槽铣刨设备
CN102518033A (zh) * 2012-01-06 2012-06-27 长安大学 可自动回收铣刨碎料的沥青路面圆形坑槽铣刨设备
US20200080267A1 (en) * 2018-09-06 2020-03-12 Roadtec, Inc. Side cutter for milling machine
AU2019226209B2 (en) * 2018-09-06 2020-07-16 Roadtec, Inc. Side cutter for milling machine
US10865528B2 (en) * 2018-09-06 2020-12-15 Roadtec, Inc. Side cutter for milling machine
CN110241701A (zh) * 2019-05-27 2019-09-17 内蒙古路桥工程技术检测有限责任公司 坑槽检测后修补工具
CN114214906A (zh) * 2021-12-29 2022-03-22 郑州市交通规划勘察设计研究院 一种道路施工预处理装置及其施工方法
CN114214906B (zh) * 2021-12-29 2022-12-27 郑州市交通规划勘察设计研究院 一种道路施工预处理装置及其施工方法

Also Published As

Publication number Publication date
ES2210464T3 (es) 2004-07-01
EP0875624A3 (fr) 1999-06-23
ATE252665T1 (de) 2003-11-15
DE69725701T2 (de) 2004-08-05
DE69725701D1 (de) 2003-11-27
GB9623689D0 (en) 1997-01-08
EP0875624B1 (fr) 2003-10-22

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