EP4433648B1 - Kaltvergrabungs- und recyclinganordnung zur wiederherstellung eines strassenbelags, verfahren zur wiederherstellung eines strassenbelags mit einer solchen anordnung und verwendung einer mischung aus bitumen oder einer mischung, die ein kohlenwasserstoffbindemittel enthält, in einer solchen anordnung - Google Patents

Kaltvergrabungs- und recyclinganordnung zur wiederherstellung eines strassenbelags, verfahren zur wiederherstellung eines strassenbelags mit einer solchen anordnung und verwendung einer mischung aus bitumen oder einer mischung, die ein kohlenwasserstoffbindemittel enthält, in einer solchen anordnung

Info

Publication number
EP4433648B1
EP4433648B1 EP22821622.2A EP22821622A EP4433648B1 EP 4433648 B1 EP4433648 B1 EP 4433648B1 EP 22821622 A EP22821622 A EP 22821622A EP 4433648 B1 EP4433648 B1 EP 4433648B1
Authority
EP
European Patent Office
Prior art keywords
scarification
recycling
assembly
conglomerate
cold
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
EP22821622.2A
Other languages
English (en)
French (fr)
Other versions
EP4433648A1 (de
Inventor
Mirco Risi
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.)
Simex Engineering Srl
Original Assignee
Simex Engineering Srl
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 Simex Engineering Srl filed Critical Simex Engineering Srl
Priority to EP25189098.4A priority Critical patent/EP4628656A3/de
Publication of EP4433648A1 publication Critical patent/EP4433648A1/de
Application granted granted Critical
Publication of EP4433648B1 publication Critical patent/EP4433648B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E01C23/065—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
    • E01C23/12—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
    • E01C23/122—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
    • E01C23/127—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/183—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with digging unit shiftable relative to the frame
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/188—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with the axis being horizontal and transverse to the direction of travel
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22—Component parts
    • E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
    • E02F3/248—Cleaning the wheels or emptying the digging elements mounted on the wheels, e.g. in combination with spoil removing equipment
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22—Component parts
    • E02F3/26—Safety or control devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
    • 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
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/50—Methods or devices for preventing dust by spraying or sucking

Definitions

  • this solution turns out to be not suitable for restoring small zones of damaged road surface and is generally utilized for resurfacing large surfaces.
  • the resurfacing of the road surface requires that, once the regeneration machines have carried out the regeneration of the milled conglomerate and its redeposition on the road surface, a further layer of new hot conglomerate is also applied in order to create the wear-resistant layer. Therefore, according to the prior art, the regenerated milled conglomerate serves only as a carrier layer for receiving the new hot conglomerate on which the road traffic then operates. In an inconvenient manner, therefore, it is nevertheless necessary to deposit the new conglomerate, and it is not possible to create a road surface exclusively with recycled conglomerate.
  • the need remains strongly felt for a device that allows for restoring of the damaged road surface that is compact, streamlined and effective, and does not require bulky supporting machines.
  • the need is felt for a streamlined device that does not require self-propelled regeneration machines of enormous dimensions, typically provided with their own means for movement on the road integrated into the machine itself.
  • the reference number 1 designates, in its entirety, a cold scarification and recycling assembly 1 for restoring a damaged road pavement P, which has holes or cracks at least in its outermost layer.
  • the cold scarification and recycling assembly 1 (or, more simply, the scarification and recycling assembly 1) is an integrated assembly which carries out both the functions of scarification of the road pavement and of cold recycling (that is, regenerating the conglomerate for reapplication) in a single machine.
  • Said scarification and recycling assembly 1 is further suitable for being directly connected to a mobile arm of an operating machine 2, for example a mini-loader, or a tractor.
  • the scarification and recycling assembly 1 may be configured both for being pushed and for being towed by the operating machine 2, according to the working need. For example, it may be hitched to the rear of a tractor, as shown in Fig. 17 and 18 , or moved forward or in reverse, as shown in Fig. 13 to 16 , on a loader or mini-loader.
  • the scarification and recycling assembly 1 is therefore configured so that the scarification group 10 is always before the recycling group 20 in the direction of advancement Y.
  • the scarification assembly comprises an assembly body 2'.
  • the scarification assembly comprises an auto-leveling body 80.
  • Said scarification and recycling assembly 1 preferably comprises an assembly body 2' and an auto-leveling body 80.
  • the assembly body 2' comprises a coupling portion 4 to the operating machine 2 for its stable mounting, for example for mounting the assembly body 2' to a mobile arm or to a support of the operating machine.
  • the auto-leveling body 80 comprises a pair of contact skids 81, 82 with the level of the road pavement P.
  • the position of the contact skids 81, 82 with respect to the assembly body 2' is adjustable.
  • the assembly 1 could advantageously comprise a device 24 for adjusting the excavation depth D' for each contact skid 81, 82.
  • the auto-leveling body 80 is therefore rotatable parallel to a rotation axis that is parallel to the road pavement plane P.
  • the auto-leveling body 80 is guided by the assembly body 2' in the various angular positions via guiding means cooperating with said bodies 80, 2'.
  • the guiding means comprise at least one edge of a guide slot 64' slidingly engaged by at least one guide pin 66.
  • the scarification and recycling assembly 1 is therefore movable in a working direction (or advancing direction) Y while maintaining the sliding contact between the contact skids 81, 82 and the plane of the road pavement P.
  • the contact skids 81, 82 are arranged adjacent to one another and spaced apart in front of the other.
  • the contact skids 81, 82 are created by means of bent metal sheets.
  • the assembly body 2' is at least partially housed between the contact skids 81, 82.
  • the assembly body 2' is mechanically connected to the auto-leveling body 80 so as to apply weight in a balanced manner to the contact skids 81, 82.
  • the cold scarification and recycling assembly 1 comprises a scarification group 10 housed in a first region D of the scarification and recycling assembly 1.
  • Said scarification group 10 comprises an excavation tool 100 for removing the conglomerate material of one or more layers of asphalt along a linear advancement path along a working surface S of the road pavement P in order to obtain a scarified conglomerate material C.
  • the cold scarification and recycling assembly 1 comprises a recycling group 20 housed within a second region R of the scarification and recycling assembly 1.
  • Said recycling group 20 comprises a mixing and shredding element 200 of the scarified conglomerate material C.
  • Said second region R is arranged downstream of the first region D, so that the scarified conglomerate material C (or milled conglomerate C) from the scarification group 10 is receivable by the recycling group 20 for the regeneration thereof into regenerated conglomerate material CR (or regenerated milled conglomerate CR).
  • Drive means 102, 202 are suitable for moving the excavation tool 100 and the mixing and shredding element 200.
  • a further object of the present invention is the use of a regenerating fluid, and in particular the use of a bitumen mixture or a mixture containing a hydrocarbon binding agent, preferably of the fluid sold under the commercial name Iterlene ACF 1000 HP GREEN by the company Iterchimica Srl, Bergamo, Italy, for restoring a road surface in a cold process directly on the street, and more particularly the use of a cold scarification and recycling assembly 1 according to the present invention or the use in a method for restoring a road surface according to the present invention (described below in the present description).
  • This type of adjusting device 24 has been discussed only by way of example. Other modes of adjusting the excavation depth according to other embodiments are possible.
  • the scarification group 10 comprises a scarification chamber 11 in which the excavation tool 100 is housed
  • the recycling group 20 comprises a recycling chamber 21 in which the mixing and shredding element 200 is housed.
  • the scarification chamber 11 and the recycling chamber 21 are directly communicating with each other by means of a conglomerate passage opening 22 suitable for being opened or closed by means of the interception device 30.
  • the conglomerate passage opening 22 is made in the scarification group frame 15 or in the recycling group frame 25.
  • the interception device 30 comprises a bulkhead 30' translatable with respect to the scarification group frame 15 and/or to the recycling group frame 25 to determine the opening or the partial or total closing of the conglomerate passage opening 22.
  • the bulkhead 30' When, instead, the bulkhead 30' is in a configuration in which it totally closes the conglomerate passage opening 22 (as for example shown in Fig. 14 ), in this case the bulkhead 30' then prevents the passage of the regenerated conglomerate material CR toward the second region R, i.e., toward the recycling group 20.
  • translation guides are formed which are suitable for housing the bulkhead 30' in translation along the direction of translation Z.
  • the assembly 1 comprises a dosing unit (not shown in the figures) suitable for adjusting the amount of water and/or regenerating fluid to be dispensed via the water and/or regenerating fluid dispensing device 40.
  • the dosing unit preferably comprises means for storing water and regenerating fluid and pumping means for dispensing the water or regenerating fluid from the storage means to the water and/or regenerating fluid dispensing device.
  • the cold scarification and recycling assembly 1 comprises a speed detector device 60.
  • the cold scarification and recycling assembly 1 comprises a depth detector device.
  • the speed detector device 60 is operatively connected to the dosing unit and suitable for detecting the advancement speed of the cold scarification and recycling assembly along the working surface S.
  • the dosing unit is suitable for adjusting the amount of water and/or regenerating fluid to be dispensed according to the advancement speed detected by the speed detector device 60.
  • the depth detector device is operatively connected to a dosing unit and is suitable for detecting the scarification depth D' of the road pavement P performed by the scarification group 10 with respect to the plane of the road pavement P.
  • the dosing unit is suitable for adjusting the amount of water and/or regenerating fluid to be dispensed according to the depth detected by the depth detector device 60.
  • cold scarification and recycling assembly 1 may comprise only the speed detector device 60, or both the speed detector device 60 and the depth detector device.
  • the speed detector device 60 comprises, for example, a speed detector such as a GPS, or an electronic device for detecting the linear advancement speed, or similar.
  • the depth detector device comprises, for example, a distance detector, such as a laser, optic or ultrasound detector or a mechanical distance detector.
  • the speed detector device 60 comprises a wheel 61 and a wheel support group 62 suitable for supporting the wheel in a manner rotatable about a wheel rotation axis X".
  • the wheel support group 62 is suitable for positioning the wheel in a rearward configuration A, in which the wheel is spaced apart with respect to the level of the road pavement P, and a working configuration W, in which the wheel is in contact with the road pavement P during the advancement of the cold scarification and recycling assembly 1.
  • the speed detector device 60 comprises a wheel rotation speed sensor, for example an electronic encoder.
  • the wheel support group 62 comprises a wheel support arm 63.
  • the wheel support group 62 comprises arm movement drive means.
  • the wheel support arm 63 is rotatable about an arm rotation axis X′′′ which is parallel and spaced apart with respect to the wheel axis of rotation X''.
  • the wheel support arm 63 is configurable with its main extension axis parallel to the level of the road pavement P when the assembly is in operation or perpendicular (i.e., vertical) with respect to the level of the road pavement P when it is not in operation or when it is not necessary to measure the advancement speed of the assembly 1, as shown, for example, in Fig. 11 , in the first scarification step (milling) or in Fig. 14 .
  • the wheel support group 62 further comprises an angular position sensor suitable for determining the milling depth of the cold scarification and recycling assembly 1 as a function of the angular position of the wheel support arm 63 (functioning, therefore, as a depth detector device).
  • the sieving element 50 is a perforated wall or a grid having sieve openings and arranged below the mixing and shredding element 200, in the vertical direction perpendicular to the level of the road pavement P. Therefore, the sieving element is the last element that the regenerated conglomerate CR encounters before being released on the working surface S of the road pavement P.
  • the sieving element 50 is a perforated wall in the form of a cylindrical or semi-cylindrical sector that is fixed to and integral with the recycling group frame 25.
  • the sieving element 50 is a wall comprising sieve openings having a section of a size recordable via manual control or via an electrical or hydraulic or mechanical actuator operatively connected to the sieving element 50.
  • the scarification and recycling assembly comprises a second wall in relative movement with respect to the sieving element 50 so as to reduce or expand the section of the sieve openings.
  • the second wall and the sieving element 50 are two walls, preferably in the form of a cylindrical or semi-cylindrical sector, slidable in relation to one another for opening or closing the sieve openings.
  • the second wall in relative movement with respect to the sieving element 50 opens and closes windows in order to increase or decrease the dimension of the material to be discharged or close the discharge off completely.
  • a further object of the present invention is an operating machine 2 comprising a cold scarification and recycling assembly 1 described in the preceding paragraphs, for example preferably mounted on the rear of a tractor or on the loader arm of a mini-loader.
  • Said operating machine 2 is preferably provided with at least one fluidic power take-off 41 for powering the drive means 102, 202 and/or the bulkhead movement group 70 and/or the arm movement drive means.
  • the operating machine 2 is preferably provided with at least one electrical power take-off for powering the drive means 102, 202 and/or the bulkhead movement group 70 and/or the arm movement drive means.
  • the operating machine 2 is preferably provided with at least one mechanical power take-off 42 for powering the drive means 102, 202 and/or the bulkhead movement group 70 and/or the arm movement drive means.
  • Another object of the present invention is a method for restoring a road surface which utilizes an operating machine 2 to which a cold scarification and recycling assembly 1 as previously described is attached.
  • the method in its most general embodiment, shown for example in Fig. 16 or 17 or 18 , comprises the following operational steps:
  • the method further comprises the operational step of:
  • a further embodiment of a method for restoring a road surface which utilizes an operating machine 2 to which a cold scarification and recycling assembly 1 as previously described is attached is shown, for example, in the sequence of figures from 11 to 15.
  • the method for restoring a road surface comprises the operational steps of:
  • step c) involves the injection of water or, more generally, a liquid on the milled conglomerate being worked in the scarification chamber and/or in the recycling chamber 21, for example in order to suppress the dust.
  • step c') or in step e) the injection of regenerating fluid and possibly water involves:
  • the method for restoring a road surface comprises the optional step of:
  • step h) is shown, for example, in Fig. 14 in an exemplary embodiment wherein the scarification and recycling assembly 1 is moved on the regenerated milled conglomerate CR following the execution of the preceding step e), or of the preceding step c') or of the preceding step d).
  • step h) allows an adequate remixing of the regenerated milled conglomerate CR, for example without having to further crush the conglomerate or reduce the size of the pieces being worked in the recycling group 20.
  • the present invention is suitable for overcoming the drawbacks related to the prior art.
  • the cold scarification and recycling assembly of the present invention makes it possible to restore a damaged road surface without the need for removing and carrying the road surface material elsewhere, but by regenerating the same removed material and redepositing it anew on the road surface.
  • the assembly according to the present invention turns out to be particularly compact and suitable for the specific purpose of repairing small plots.
  • the assembly according to the present invention does not require bulky and non-self-propelled conglomerate regeneration machines, but executes the operation of scarification and regeneration and placement of the conglomerate in an integrated manner.
  • the fact that the assembly according to the present invention is suitable for being directly connected to a mobile arm of an operating machine and, preferably, the fact that it is configured both for being pulled and for being pushed renders the use of the assembly itself particularly versatile and flexible. In fact, is easily connectable to the majority of known operating machines and does not require the application of sensitive modifications to the design of the known operating machines.
  • said possibility allows to adapt the known operating machines for the execution of activities of scarification and recycling of the road pavement without requiring the predisposition of a self-propelled machine dedicated for the application. Therefore, this provides great potential for converting the already existing operating machines.
  • the possibility of metering the amount of regenerating fluid and water in line (i.e., during the advancement of the assembly) and in a controlled manner during the advancement of the assembly makes it possible to render the regeneration procedure more effective and efficient.
  • the amount of regenerating fluid is adaptable as a function of the advancement speed and the type of conglomerate involved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Road Repair (AREA)

Claims (18)

  1. Kaltvergrabungs- und Recyclinganordnung (1) zur Wiederherstellung eines beschädigten Straßenbelags (P), wobei die Kaltvergrabungs- und Recyclinganordnung (1) integriert und geeignet ist, direkt an einem beweglichen Arm eines Miniladers oder eines Traktors (2) angeschlossen zu werden, und Folgendes umfasst:
    - eine Fräseinheit (10), die in einem ersten Bereich (D) der Kaltvergrabungs- und Recyclinganordnung (1) untergebracht ist und ein Aushubwerkzeug (100) zum Entfernen des Gemischmaterials von einer oder mehreren Asphaltschichten entlang eines linearen Vorschubwegs entlang einer Arbeitsfläche (S) des Straßenbelags (P) umfasst, um ein abgefrästes Gemischmaterial (C) zu erhalten;
    - eine Recyclinggruppe (20), die in einem zweiten Bereich (R) der Kaltvergrabungs- und Recyclinganordnung (1) untergebracht ist und ein Misch- und Zerkleinerungselement (200) für das abgefräste Gemischmaterial (C) umfasst, wobei der zweite Bereich (R) stromabwärts des ersten Bereichs (D) angeordnet ist, so dass das abgefräste Gemischmaterial (C) aus der Fräseinheit (10) von der Recyclinggruppe (20) aufgenommen werden kann, um dieses in regeneriertes Gemischmaterial (CR) umzuwandeln;
    - Antriebsmittel (102, 202), die geeignet sind, um das Aushubwerkzeug und das Misch- und Zerkleinerungselement zu bewegen;
    - eine Sperrvorrichtung (30), die den ersten Bereich (D) zumindest teilweise vom zweiten Bereich (R) trennt, um den Durchgang des abgefrästen Gemischmaterials (C) vom ersten Bereich (D) zum zweiten Bereich (R) zu leiten;
    - eine Vorrichtung (40) zur Abgabe von Wasser und/oder regenerierender Flüssigkeit, die geeignet ist, Wasser und/oder regenerierende Flüssigkeit direkt in den ersten Bereich (D) und/oder in den zweiten Bereich (R) abzugeben.
  2. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 1, die einen Anordnungsrahmen (2') und einen selbstnivellierenden Rahmen (80) umfasst, und wobei der Anordnungsrahmen (2') einen Abschnitt (4) zum Ankoppeln an den Minilader oder den Traktor (2) zu dessen stabiler Montage aufweist, beispielsweise zur Montage des Anordnungsrahmens (2') an einem beweglichen Arm oder an einer Halterung des Miniladers oder an dem Traktor.
  3. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 1 oder 2, wobei die Sperrvorrichtung (30) beweglich ist zwischen einer Schließstellung, in der sie den Durchgang des Gemischmaterials von der Fräseinheit (10), d. h. vom ersten Bereich, zur Recyclinggruppe (20), d. h. zum zweiten Bereich (R), verhindert, und einer Öffnungsstellung, in der die Sperrvorrichtung den Durchgang des Gemischmaterials von der Fräseinheit (10), d. h. vom ersten Bereich (D), zur Recyclinggruppe (20), d. h. zum zweiten Bereich (R), ermöglicht.
  4. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 1 oder 2 oder 3, wobei das Aushubwerkzeug (100) eine Fräswalze ist, die um eine Fräswalzenrotationsachse (X), die im Wesentlichen parallel zur Arbeitsfläche (S) des Straßenbelags (P) verläuft, drehbar ist und mit Schneidelementen (101) zum Entfernen des Gemischmaterials der Straßenoberfläche versehen ist, und wobei das Misch- und Zerkleinerungselement (200) eine Mischwalze ist, die mit Vorsprüngen (201) versehen ist und um eine Mischwalzenrotationsachse (X'), die parallel und beabstandet zur Fräswalzenrotationsachse (X) verläuft, drehbar ist.
  5. Kaltvergrabungs- und Recyclinganordnung (1) nach einem der vorhergehenden Ansprüche, wobei die Fräseinheit (10) eine Fräskammer (11) umfasst, in der das Aushubwerkzeug (100) untergebracht ist,
    wobei die Recyclinggruppe (20) eine Recyclingkammer (21) umfasst, in der das Misch- und Zerkleinerungselement (200) untergebracht ist,
    wobei die Fräskammer (11) und die Recyclingkammer (21) über eine Gemischdurchgangsöffnung (22) direkt miteinander verbunden sind, die durch die Sperrvorrichtung (30) zumindest teilweise oder vollständig verschlossen werden kann.
  6. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 5, die einen Fräseinheitsrahmen (15), der zumindest teilweise die Fräskammer (11) definiert, und einen Recyclinggruppenrahmen (25), der zumindest teilweise die Recyclingkammer (21) definiert, umfasst, wobei der Fräseinheitsrahmen (15) mit dem Recyclinggruppenrahmen (25) verbunden ist und die Gemischdurchgangsöffnung (22) in dem Fräseinheitsrahmen (15) oder dem Recyclinggruppenrahmen (25) ausgebildet ist,
    wobei die Sperrvorrichtung eine Trennwand (30') umfasst, die relativ zum Fräseinheitsrahmen (15) und zum Recyclinggruppenrahmen (25) verschiebbar ist, um das Öffnen oder das teilweise oder vollständige Verschließen der Gemischdurchgangsöffnung (22) zu bestimmen.
  7. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 5, die eine Bewegungseinheit für die Trennwand (70), beispielsweise einen oder mehrere Hydraulikzylinder, umfasst, die mit der Trennwand (30') und dem Fräseinheitsrahmen (15) und/oder dem Recyclinggruppenrahmen (25) verbunden und geeignet ist, die Trennwand (30') entlang einer vertikalen Richtung zu verschieben, die im Wesentlichen senkrecht zum Niveau des Straßenbelags (P) verläuft.
  8. Kaltvergrabungs- und Recyclinganordnung (1) nach einem der vorhergehenden Ansprüche, die Folgendes umfasst:
    - eine Dosiereinheit, die geeignet ist, die Menge an Wasser und/oder regenerierender Flüssigkeit zu regulieren, die über die Vorrichtung (40) abgegeben werden soll;
    - eine Geschwindigkeitsdetektionseinrichtung (60), die funktionsmäßig mit der Dosiereinheit verbunden und geeignet ist, die Vorschubgeschwindigkeit der Kaltvergrabungs- und Recyclinganordnung entlang der Arbeitsfläche (S) zu detektieren;
    wobei die Dosiereinheit geeignet ist, die Menge an Wasser und/oder regenerierender Flüssigkeit entsprechend der durch die Geschwindigkeitsdetektionseinrichtung (60) detektierten Vorschubgeschwindigkeit zu regulieren.
  9. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 8, wobei die Geschwindigkeitsdetektionseinrichtung (60) ein Rad (61) und eine Radtraggruppe (62) umfasst, die geeignet ist, das Rad drehbar um eine Radrotationsachse (X") zu lagern, und geeignet ist, das Rad in einer Rückwärtskonfiguration (A), in der das Rad in Bezug auf das Niveau des Straßenbelags (P) beabstandet ist, und in einer Arbeitskonfiguration (W), in der das Rad während des Vorschubs der Kaltvergrabungs- und Recyclinganordnung (1) in Kontakt mit dem Straßenbelag ist, zu positionieren, wobei die Geschwindigkeitsdetektionseinrichtung einen Drehgeschwindigkeitssensor des Rades (61) umfasst.
  10. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 9, wobei die Radtraggruppe (62) Folgendes umfasst:
    - einen Radtragarm (63), der um eine Armrotationsachse (X"') drehbar ist, die parallel und beabstandet zur Radrotationsachse (X") verläuft;
    - einen Armwinkelpositionssensor, der geeignet ist, die Frästiefe der Kaltvergrabungs- und Recyclinganordnung (1) in Abhängigkeit von der Winkelposition des Radtragarms (63) zu bestimmen.
  11. Kaltvergrabungs- und Recyclinganordnung (1) nach einem der vorhergehenden Ansprüche, die ein Siebelement (50) umfasst, das stromabwärts der Recyclinggruppe (20) angeordnet und geeignet ist, das regenerierte Gemischmaterial aufzunehmen und eine vorgegebene Korngröße des regenerierten Gemischmaterials für die Übertragung auf die Arbeitsfläche (S) zu sieben.
  12. Kaltvergrabungs- und Recyclinganordnung (1) nach Anspruch 11, wobei das Siebelement (50) eine Lochwand oder ein Gitter ist, die bzw. das unterhalb des Misch- und Zerkleinerungselements (200) in vertikaler Richtung senkrecht zum Niveau des Straßenbelags (P) angeordnet ist.
  13. Minilader oder Traktor (2), der eine Kaltvergrabungs- und Recyclinganordnung (1) nach einem der vorhergehenden Ansprüche umfasst.
  14. Verfahren zur Wiederherstellung einer Straßenoberfläche, das die folgenden Schritte umfasst:
    a) Bereitstellen mindestens einer Kaltvergrabungs- und Recyclinganordnung (1) nach einem der Ansprüche 1 bis 12;
    b) Bereitstellen eines Miniladers oder Traktors (2), auf dem die Kaltvergrabungs- und Recyclinganordnung (1) montiert ist;
    c') Bewegen der Kaltvergrabungs- und Recyclinganordnung (1) auf der beschädigten Straßenoberfläche, um ein abgefrästes Gemischmaterial (C) zu erhalten, und, vorzugsweise gleichzeitig, Einspritzen von regenerierender Flüssigkeit und gegebenenfalls Wasser auf das abgefräste Gemischmaterial, das von der Kaltvergrabungs- und Recyclinganordnung (1) bearbeitet wird, vorzugsweise in einem einzigen Durchgang in Vorschubrichtung (Y) der Arbeitsmaschine;
    f) Austretenlassen des regenerierten abgefrästen Gemischmaterials aus der Recyclingkammer (21), vorzugsweise durch das Siebelement (50).
  15. Verfahren zur Wiederherstellung einer Straßenoberfläche, das die folgenden Schritte umfasst:
    a) Bereitstellen mindestens einer Kaltvergrabungs- und Recyclinganordnung (1) nach einem der Ansprüche 1 bis 12;
    b) optional Bereitstellen einer Arbeitsmaschine (2), auf der die Kaltvergrabungs- und Recyclinganordnung (1) montiert ist;
    c) Bewegen der Kaltvergrabungs- und Recyclinganordnung (1) auf der beschädigten Straßenoberfläche mit der Sperrvorrichtung (30) in der geöffneten Konfiguration, um ein abgefrästes Gemischmaterial zu erhalten, das auf der Arbeitsfläche angeordnet ist;
    d) optional Aufbringen eines Bindemittels, beispielsweise Zement, auf das abgefräste Gemischmaterial;
    e) Bewegen der Kaltvergrabungs- und Recyclinganordnung (1) auf dem abgefrästen Gemischmaterial, das auf der Arbeitsfläche angeordnet ist, mit der Sperrvorrichtung (30) in geöffneter Konfiguration und Einspritzen von regenerierender Flüssigkeit und gegebenenfalls Wasser auf das abgefräste Gemischmaterial, das von der Kaltvergrabungs- und Recyclinganordnung (1) bearbeitet wird;
    f) Austretenlassen des regenerierten abgefrästen Gemischmaterials aus der Recyclingkammer (21), vorzugsweise durch das Siebelement (50);
    g) optional Glätten und Verdichten des regenerierten abgefrästen Gemischmaterials.
  16. Verfahren zur Wiederherstellung einer Straßenoberfläche nach Anspruch 15, wobei während Schritt e) das Einspritzen von regenerierender Flüssigkeit und gegebenenfalls Wasser Folgendes umfasst:
    - Detektieren der Vorschubgeschwindigkeit der Kaltvergrabungs- und Recyclinganordnung (1) auf dem Straßenbelag (P);
    - optional Messen der Frästiefe des Straßenbelags in Bezug auf das Niveau des Straßenbelags (P);
    - Abgeben einer Menge an regenerierender Flüssigkeit und gegebenenfalls Wasser entsprechend der detektierten Vorschubgeschwindigkeit und der detektierten möglichen Frästiefe.
  17. Verfahren zur Wiederherstellung einer Straßenoberfläche nach einem der Ansprüche 15 bis 16, wobei die eingespritzte regenerierende Flüssigkeit ein Bitumengemisch oder ein Gemisch ist, das ein Kohlenwasserstoffbindemittel enthält.
  18. Verwendung eines Bitumengemischs oder eines Gemischs, das ein Kohlenwasserstoffbindemittel enthält, in einer Kaltvergrabungs- und Recyclinganordnung (1) nach einem der Ansprüche 1 bis 12.
EP22821622.2A 2021-11-19 2022-11-18 Kaltvergrabungs- und recyclinganordnung zur wiederherstellung eines strassenbelags, verfahren zur wiederherstellung eines strassenbelags mit einer solchen anordnung und verwendung einer mischung aus bitumen oder einer mischung, die ein kohlenwasserstoffbindemittel enthält, in einer solchen anordnung Active EP4433648B1 (de)

Priority Applications (1)

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EP25189098.4A EP4628656A3 (de) 2021-11-19 2022-11-18 Kaltverarbungs- und -recyclinganlage zur sanierung eines strassenbelags, betriebsmaschine mit der anlage, verfahren zur sanierung einer strassenoberfläche und verwendung

Applications Claiming Priority (2)

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IT102021000029318A IT202100029318A1 (it) 2021-11-19 2021-11-19 Assieme di scarificazione e riciclaggio a freddo per il ripristino di una pavimentazione stradale, macchina operatrice comprendente tale assieme e metodo di ripristino manto stradale
PCT/IB2022/061130 WO2023089547A1 (en) 2021-11-19 2022-11-18 Cold scarification and recycling assembly for restoring a road pavement, methods for restoring a road surface with such assembly and use of a mixture of bitumen or a mixture containing a hydrocarbon binding agent in such assembly

Related Child Applications (2)

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EP25189098.4A Division EP4628656A3 (de) 2021-11-19 2022-11-18 Kaltverarbungs- und -recyclinganlage zur sanierung eines strassenbelags, betriebsmaschine mit der anlage, verfahren zur sanierung einer strassenoberfläche und verwendung
EP25189098.4A Division-Into EP4628656A3 (de) 2021-11-19 2022-11-18 Kaltverarbungs- und -recyclinganlage zur sanierung eines strassenbelags, betriebsmaschine mit der anlage, verfahren zur sanierung einer strassenoberfläche und verwendung

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EP4433648B1 true EP4433648B1 (de) 2025-08-20

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EP25189098.4A Pending EP4628656A3 (de) 2021-11-19 2022-11-18 Kaltverarbungs- und -recyclinganlage zur sanierung eines strassenbelags, betriebsmaschine mit der anlage, verfahren zur sanierung einer strassenoberfläche und verwendung

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JP (1) JP2024540576A (de)
KR (1) KR20240127337A (de)
CN (1) CN118401718A (de)
AU (1) AU2022393944A1 (de)
CA (1) CA3236698A1 (de)
ES (1) ES3054985T3 (de)
FI (1) FI4433648T3 (de)
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WO2025224579A1 (en) 2024-04-23 2025-10-30 Simex Engineering S.R.L. Control system for controlling a scarification and recycling assembly

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US4637753A (en) * 1984-11-19 1987-01-20 Cmi Corporation Road planar having particle reducing means
DE10202536A1 (de) * 2002-01-24 2003-08-21 Juergen Schenk Fräseinrichtung für Boden, Fels, Aushub oder anderes Material
US7004675B2 (en) * 2003-03-06 2006-02-28 Carolina P&P, Llc Pavement recycling machine and method of recycling pavement
GB2593474B (en) * 2020-03-23 2023-12-13 Bamford Excavators Ltd An apparatus

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EP4628656A2 (de) 2025-10-08
EP4433648A1 (de) 2024-09-25
WO2023089547A1 (en) 2023-05-25
KR20240127337A (ko) 2024-08-22
IT202100029318A1 (it) 2023-05-19
ES3054985T3 (en) 2026-02-09
JP2024540576A (ja) 2024-10-31
CA3236698A1 (en) 2023-05-25
EP4628656A3 (de) 2025-10-15
AU2022393944A1 (en) 2024-05-16
CN118401718A (zh) 2024-07-26
FI4433648T3 (fi) 2025-12-01

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