EP3375936B1 - Une barre lisseuse d'une finisseuse de routes - Google Patents

Une barre lisseuse d'une finisseuse de routes Download PDF

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Publication number
EP3375936B1
EP3375936B1 EP18169491.0A EP18169491A EP3375936B1 EP 3375936 B1 EP3375936 B1 EP 3375936B1 EP 18169491 A EP18169491 A EP 18169491A EP 3375936 B1 EP3375936 B1 EP 3375936B1
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EP
European Patent Office
Prior art keywords
screed
paving
eccentric shaft
stroke
eccentric
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
EP18169491.0A
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German (de)
English (en)
Other versions
EP3375936A1 (fr
Inventor
Martin Buschmann
Günter Zegowitz
Achim Eul
Ralf Weiser
Nicole Angermann
Christian Pawlik
Klaus Bertz
Roman Munz
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Joseph Voegele AG
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Joseph Voegele AG
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Publication date
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Priority to PL18169491T priority Critical patent/PL3375936T3/pl
Publication of EP3375936A1 publication Critical patent/EP3375936A1/fr
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Publication of EP3375936B1 publication Critical patent/EP3375936B1/fr
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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
    • 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
    • E01C19/004—Devices for guiding or controlling the machines along a predetermined path
    • 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
    • E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/40—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
    • E01C19/407—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers with elements or parts partly or fully immersed in or penetrating into the material to act thereon, e.g. immersed vibrators or vibrating parts, kneading tampers, spaders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/162—Making use of masses with adjustable amount of eccentricity
    • B06B1/164—Making use of masses with adjustable amount of eccentricity the amount of eccentricity being automatically variable as a function of the running condition, e.g. speed, direction
    • 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
    • E01C19/002—Apparatus for preparing and placing the materials and for consolidating or finishing the 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
    • 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
    • E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • 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
    • E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
    • 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
    • E01C19/48—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4833—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
    • 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
    • E01C19/48—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4833—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
    • E01C19/4853—Apparatus designed for railless operation, e.g. crawler-mounted, provided with portable trackway arrangements
    • 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
    • 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
    • E01C2301/14—Extendable screeds

Definitions

  • the invention relates to a screed for a road finisher according to the preamble of claim 1.
  • the floating screed When paving a paving made of bituminous or concrete paving material with a road paver, the floating screed has to compact the paving material as evenly as possible over the entire paving width and to create a closed, even structure.
  • the compaction unit e.g. a so-called tamper or a tamper and an unbalance vibrator, should generate the highest possible level of constant pre-compaction throughout the pavement thickness, so that different or varying pavement thicknesses have no significant impact on the final compaction.
  • the stroke and the frequency of the tamper influence the pre-compaction and the floating behavior of the screed. The larger the stroke, the higher the pre-compression and the deeper the pre-compression. The frequency can be infinitely adjusted individually.
  • EP 0 493 664 A discloses, for example, adjusting the tamper frequency as a function of the paving speed. It is also useful to adapt the tamper stroke to the thickness of the pavement so that the screed paves with the smallest possible positive angle of attack. If the stroke is too large for the pavement thickness, the screed can have a negative angle of incidence, which can lead to an open, cracked surface structure or uncontrollable leveling behavior of the screed, which can result in unevenness.
  • the pavement thickness is specified, for example, by setting the height of the traction points of the screed on the road paver.
  • the frequency and the paving speed must also be adapted to one another. So far, the coordination has been chosen individually so that the screed paves with the smallest possible positive angle of attack.
  • the paving speed determines the effect of the compaction unit on the surface.
  • the paving speed is to be selected so that a constant material supply is guaranteed by the transport vehicles. Since the paving speed has a great influence on the pre-compaction, it should be ensured that the paving screed paves with a small positive angle of attack in order to ensure good evenness, ie the paving speed must allow the good pre-compaction.
  • the stroke has been adjusted manually in several stages, whereby the paving operation has to be interrupted in each case. However, each stroke stage is only a compromise, as it only fits one pad thickness. For example, by increasing the stroke A larger amount of paving material is pre-compacted by the tamper bar within the set covering thickness. The pre-compression can also be increased by increasing the frequency. In certain cases, the tamper can cooperate with an additional unbalance vibration device in the screed in order to achieve even higher pre-compaction and evenness.
  • the stroke is set to this lining thickness. If the covering thickness is changed, the installation must be interrupted and the stroke adjusted to the new covering thickness. Since the pavement thickness can vary due to external influences even during ongoing paving, the set stroke often does not match the pavement thickness, which means that the pre-compaction varies and the angle of incidence of the screed can change, and as a result, the evenness and surface quality of the pavement suffer. The adjustment is time-consuming and laborious, since, for example, eight connecting rods can be provided in the basic screed alone, and requires great care in order to precompact uniformly over the working width.
  • EP 1 905 899 A2 discloses an adjusting mechanism for adjusting a tamper stroke of a tamper bar which is movably attached to a screed of a road paver.
  • the adjusting mechanism comprises a manual or motorized linear drive for adjusting the tamper stroke in order to adjust a pivot angle of a lever of the adjusting mechanism relative to a fixed pivot point.
  • WO 00/70150 A1 discloses a tamper bar of a paving screed of a road paver, the stroke of the tamper bar being changeable as a function of a detected paving layer temperature.
  • a linear drive and a servo motor are used to adjust the tamper stroke.
  • the invention is based on the object of specifying a method of the type mentioned and a paving screed of a road paver, which enable a uniformly high quality of a built-in pavement, such as the paving of a pavement with a uniform thickness in the direction of travel and both in and across the direction of travel uniform compression.
  • the stroke of the compression unit is automatically adjusted as a function of at least one paving parameter, such as at least the paving speed and / or pavement thickness
  • the stroke and the respective paving parameters are in an optimal relationship to one another, which not only results in a largely constant pre-compression regardless of variations in the paving parameters , but an optimally small positive angle of incidence of the paving screed is maintained, which guarantees a closed and even surface of the pavement and a consistently high quality of the paved pavement.
  • the adjustments can easily be made on all connecting rods at the same time.
  • the adjustment gear which can preferably be actuated even while paving is in progress, allows the stroke of the compaction unit to be adjusted in such a way that the stroke, for example, before or when the paving speed and / or the pavement thickness changes, as they occur during paving either due to external influences or are made on purpose, in each case largely optimally matches the paving speed and / or pavement thickness, which results in optimal and constant pre-compaction and high quality of the paving.
  • the stroke can be adjusted while the installation is in progress, this is useful for all connecting rods the paving operation for stroke adjustment not to be interrupted, and the workload for the staff is relieved.
  • the paver operator or an operator at the paving screed can alternatively make the adjustment as required. However, it is particularly expedient for the adjustment to take place automatically as a function of the paving parameters such as the paving speed and / or the thickness of the pavement, so that the uniformly high end quality of the pavement is achieved without any significant influence on the part of the staff.
  • the paver equipped with this screed makes it possible, thanks to the control system and the manipulated variables generated by it and implemented by actuators, to achieve a uniformly high quality of a paved pavement, with an automatic process that is uniform in the paving direction
  • the thickness of the pavement and the uniform compaction both in the direction of travel and across it can be regulated without an operator having to solve complicated tasks or select parameters. This is because the manipulated variables, which are implemented at least by actuators to create the stroke and / or the frequency of the tamper, are generated automatically and in a process-oriented manner as a function of relevant process parameters or machine parameters or installation parameters.
  • the compaction unit comprises at least one tamper with several connecting rods in each section of the screed, i.e. in the basic screed, in each extending screed, and possibly also in screed widening parts attached to the extending screeds.
  • the respective tamper can be combined with an unbalance vibrator, which acts on the screed plate of the screed with substantially vertically acting unbalance pulses.
  • the vibration frequency can, for example, as is known, be adjustable in a certain range via a flow control valve and, according to the method, can also be automatically adjusted as a function of the at least one installation parameter.
  • the screed also has a high compaction device (see the above-mentioned technical information "The right screed for every task", page 8) that works with high-frequency hydraulic pressure pulses, the frequency and pressure of which can be adjusted, the high compaction device can also be adjusted depending on such paving parameters are carried out, so that, for example, with varying paving speed and / or extremely uneven pavement thickness, a consistently high final quality of the paved surface still results.
  • a high compaction device see the above-mentioned technical information "The right screed for every task", page 8
  • the high compaction device can also be adjusted depending on such paving parameters are carried out, so that, for example, with varying paving speed and / or extremely uneven pavement thickness, a consistently high final quality of the paved surface still results.
  • the paving parameter which is responsible for the adjustment of at least the stroke of the tamper is either the angle of incidence of the screed and / or the density and / or the rigidity and / or the temperature of the paving material, preferably by means of at least one Sensor, and, preferably, compared with a target value before the adjustment of at least the Hubs takes place.
  • the angle of attack is, for example, an extremely informative indicator for optimal compaction, which depends largely on the stroke of the tamper.
  • the frequency of the compression unit is also automatically adjusted, preferably along a characteristic curve that is dependent on at least one installation parameter or in a characteristic map.
  • the automatic frequency adjustment can also include an unbalance vibrator. This ensures that both the stroke and the frequency are each in an optimal relationship to the installation parameters.
  • the frequency of the tamper is adjusted in accordance with a characteristic curve or a characteristic field, for example in direct dependence on the stroke set in each case.
  • the characteristic curve or the map can, however, also be based on a predetermined proportionality between the stroke and the frequency, this proportionality preferably being selected as a function of at least one paving parameter or a predetermined change in at least one paving parameter, such as the paving speed or the angle of incidence of the screed , the density or temperature or stiffness of the paving material, and the like.
  • the compression unit has a tamper with a tamper bar that can be driven via at least one connecting rod, an eccentric bushing and a driven eccentric shaft for essentially vertical work cycles
  • the eccentric bushing and the eccentric shaft are rotated relative to one another, for example even during ongoing installation, and the stroke of the tamper bar resulting from the relative rotational position between the eccentric bushing and the eccentric shaft is adjusted along the characteristic curve or in the characteristic map.
  • the characteristic curve or the map is specified in advance.
  • the characteristic curve or the map can be selected so that the pre-compression in the pavement remains at least essentially constant regardless of changes in the pavement thickness and / or the paving speed.
  • At least the stroke can also be adjusted by a control system for which a certain degree of pre-compression is set and to which installation parameters such as at least the installation speed and / or the pavement thickness are entered or supplied as control variables.
  • the machine operator or an operator at the paving screed do not need to worry about the adjustment while the paving is in progress, although, in a simple variant of the method, the adjustment can be carried out individually by hand.
  • the operator does not need to work on the compaction unit for this to manipulate, but rather sets the respective manipulated variable, e.g. for the stroke, conveniently on the control system or in the control panel, which is then implemented accordingly by an actuator.
  • the stroke of the tamper bar is expediently adjusted hydraulically and / or electrically and / or mechanically by an adjusting gear arranged between the eccentric shaft and the eccentric bushing, expediently either continuously or in predetermined steps previously determined to be optimal.
  • a hydraulically and / or electrically and / or mechanically actuated adjusting gear is expediently provided in the screed, which allows the stroke to be adjusted at any time without having to intervene manually, even while the paving is in progress.
  • an automatic, preferably computerized, control system operatively connected to the adjusting gear can be provided, into which paving parameters such as at least the paving speed and / or the pavement thickness can be entered or which are available there and on the For example, a degree of pre-compression to be generated by the compression unit can be set.
  • the control system then automatically adapts the hub to changes in at least one installation parameter that are emerging while the installation is in progress.
  • control system should have at least one characteristic curve that is dependent on installation parameters or a characteristic map for the automatic adjustment of the stroke or the stroke and the frequency of the work cycles of the compression unit.
  • the adjustment gear is provided between an eccentric shaft that can be driven in rotation in the screed and an eccentric bushing rotatable on the eccentric shaft in a connecting rod that drives the tamper bar with essentially vertical working cycles.
  • the stroke of the tamper bar is thus adjustable by a relative rotary adjustment between the eccentric bushing and the eccentric shaft.
  • half the stroke of a working cycle results from the sum of the eccentricity of an eccentric section of the eccentric shaft and a sub-area up to the maximum of the eccentricity of the eccentric bushing.
  • the adjusting gear is non-rotatably mounted between an eccentric shaft that can be driven in rotation in the screed and one the eccentric shaft, but displaceable transversely to the axis of the eccentric shaft, rotatably mounted in a connecting rod driving the tamper bar, arranged such that the stroke is adjustable by a transverse displacement of the eccentric bushing relative to the eccentric shaft.
  • the then effective extent of the eccentricity of the eccentric bushing depends on the extent of the transverse displacement of the eccentric bushing relative to the eccentric shaft.
  • the eccentric bushing acts eccentrically, but can be designed as a circular cylinder.
  • the adjusting mechanism is arranged between a bearing block supporting a rotationally drivable eccentric shaft and an adjusting lever that is articulated to a connecting rod driving the tamper bar and adjustable in the bearing block (toggle principle), the adjusting lever and a push rod drivable by the eccentric shaft being coupled to the connecting rod in a preferably common hinge axis are in such a way that an adjustment of the adjusting lever in the bearing block changes the effective stroke of the tamper bar generated via the push rod by the rotation of the eccentric shaft.
  • an axially adjustable driver is expediently non-rotatably mounted in the eccentric shaft and engages in a thread-like guideway of the eccentric bushing rotatable on the eccentric shaft.
  • the driver is adjusted, preferably electrically and / or hydraulically and / or mechanically, in the axial direction of the eccentric shaft, the eccentric bushing is rotated via the thread-like guideway and fixed again in the selected setting.
  • an axially movable adjustment mechanism is arranged in the eccentric shaft in a rotationally fixed manner, which cyclically actuates a rotary indexing mechanism that interacts with the rotatably mounted eccentric bushing in order to rotate the eccentric bushing in steps relative to the eccentric shaft, and in the selected rotational position with the eccentric shaft to couple.
  • a clamping mechanism can be provided between the eccentric shaft and the eccentric bushing, which couples the eccentric bushing with the eccentric shaft in a non-positive or frictional or positive manner and temporarily in a release position by an axial release mechanism supported in the screed, in which the Coupling between the eccentric shaft and the eccentric bushing is canceled and these two components can be rotated relative to one another or rotated automatically.
  • At least one guide stone with a guide block bearing the eccentric bushing which is axially displaceable by means of at least one control rod in the eccentric shaft and can be displaced transversely to the eccentric shaft, is located between the eccentric shaft and the eccentric bushing, which is non-rotatably coupled to the eccentric shaft inclined guide surface provided.
  • the guide block is displaced across the axis of the eccentric shaft via the inclined guide surface in order to adjust the eccentric bushing or to change its effective portion of the eccentricity.
  • the eccentric bushing does not need to be eccentric here, but can be cylindrical.
  • the inclined guide surface of the guide block suitably two diametrically opposed guide blocks, rests axially displaceably on an inclined ramp either in the eccentric bushing or on the control rod.
  • the bearing block has a straight or curved guide track in which a swivel abutment of the adjusting lever engages, which can be moved along the guide track by means of the adjusting gear and is fixed in selected setting positions, wherein the direction of the guide path points at least approximately to the axis of the eccentric shaft.
  • the adjustment of the swivel abutment of the adjusting lever results in a change in the stroke of the tamper bar tapped by the eccentric shaft.
  • the guide track is arranged in relation to the axis of the eccentric shaft and the joint axis on the connecting rod in such a way that a bottom dead center of the work cycle induced by the eccentric shaft of the tamper bar connected to the connecting rod is independent of the setting position of the swivel abutment of the adjusting lever remains stationary along the guideway, preferably or for example stationary in relation to a screed plate mounted on a frame of the screed carrying the bearing block.
  • the paver finisher In order to be able to record paving parameters or changes to paving parameters and to transmit them to the control system or to be able to enter them into it, in an expedient embodiment of the paver finisher is on the paver finisher itself and / or the screed and / or at least one sensor, preferably a plurality of sensors distributed in and transverse to the installation direction of travel, is provided on the bars for detecting actual installation parameters, the sensors being or being able to be linked to the control system. Since at least relevant paving parameters, such as at least the angle of incidence of the screed, or changes thereof, can be detected via the sensors and transmitted to the control system, the operator is relieved and the quality of the paved surface remains consistently high.
  • the road paver and / or the screed have an input and display section on the control system or a machine control linked to the control system for additional or alternative setting of sizes, values or parameters, at least for the stroke and / or the frequency, but also the angle of incidence of the screed is provided, which can be used by the operator in order to enter additional information into the control system as required.
  • a paver 1 in Fig. 1 for paving a pavement 6 made of bituminous or concrete paving material 5 on a subsurface 7 has a paving material bunker 4 on a chassis 2 and a control panel P of a control, for example with a control system 25, in a driver's cab.
  • the control system 25 could also be arranged elsewhere in the paver 1 or in a screed 3 dragged by the paver, specifically in functional assignment to the control or the control panel P or an external control panel P 'arranged on the screed 3.
  • the screed 3 is attached to drawbars 8 which are connected on both sides to articulation points 9 of the road paver 1.
  • the articulation points 9 can be adjusted up and down by means of adjusting devices 10, such as leveling cylinders, for example in order to set the thickness S of the covering 6 installed.
  • the screed 3 comprises, for example, a base screed 11 and extendable screeds 12 that can be moved thereon, each with a compacting unit 13 comprising at least one tamper 14 or a tamper bar and a screed 18 acting on the paving material 5, preferably with the paving screed 3 having a small positive angle of incidence ⁇ works floating compared to a plane parallel to the subsurface 7.
  • the tamper bar 14 can be driven cyclically in working cycles for precompaction and performs strokes H with a frequency F. When paving is in progress, the road finisher 1 travels at a paving speed V on the subsurface 7.
  • the paving screed 3 (in the basic screed 11 and each extending screed 12) additionally contains at least one unbalance vibrator (not shown) for applying vertical pulses to the screed plate 18, and, if necessary, at least one pressure bar of a high-compression device (not shown) at the rear in the direction of travel.
  • the unbalance vibrator and the high compression device are optional options for a screed 3, while the tamper 14 can be part of the basic equipment.
  • the paving speed V as well as the covering thickness S are paving parameters which, if necessary, can even change or be changed while the paving is in progress.
  • the tamper 14 has to produce a pre-compression in the paving material 5 loosely poured onto the subsurface 7, which is to be kept at least largely constant regardless of changing paving parameters.
  • Others, if necessary, for the pre-compression Relevant paving parameters can be the type and consistency of the paving material 5, its temperature, the ambient conditions, the construction of the screed 3, and the like.
  • the pre-compression is kept essentially constant regardless of the installation parameters that change during the ongoing installation, in that at least the stroke H of the work cycles of the tamper 14 is adjusted depending on at least one installation parameter, possibly even automatically, expediently also the frequency F, namely over the control system 25, which receives or knows at least one installation parameter as a control command variable and on which, preferably, a desired degree of pre-compression is set as the setpoint value.
  • the control system 25 can be operated with characteristic curves and / or a characteristic map. Each characteristic curve or the characteristic field is predetermined and stored.
  • the control system 25 is expediently automatic and computerized.
  • Fig. 2 shows a diagram of the stroke H (or the frequency F) over the covering thickness S (or the paving speed V).
  • the solid curve H shows how the stroke H is continuously increased with increasing thickness of the covering S (or increasing paving speed V).
  • the measure known from the prior art is indicated in dashed lines to change the stroke H in several stages with interrupted paving operations, the diagonally hatched fields X and Y making it clear that the stroke H or the pre-compression changed according to the stair profile over a significant part of the changes in the thickness S or the paving speed V does not fit.
  • the solid characteristic curve F illustrates the likewise possible change in frequency with increasing pavement thickness S or paving speed V.
  • the characteristic curves H, F can be stored in a characteristic map that the control system 25 processes while paving is in progress.
  • the characteristic curve F, H or the map is predetermined in such a way that there is always an optimal ratio between the thickness of the lining and / or the paving speed and at least the stroke H, expediently also the frequency F optimal, with regard to the high and consistent final quality of the installed covering 6 is.
  • the adjustment of the stroke H, and possibly also the frequency F, is expediently carried out either automatically and even during ongoing paving, taking changes in at least one paving parameter such as the paving thickness S and / or the paving speed V, or controlled by the operator.
  • Fig. 3 illustrates an inner area of an unclaimed screed 3 with the tamper 14.
  • the tamper bar 14 is shielded on the front side of the screed 3 by a cover 19 (feed spout) and is guided essentially vertically movable between the cover 19 and the front edge of the screed 18.
  • a bearing block 16 is mounted, the relative height of which can be adjusted, for example, by means of an adjusting screw 20, such that the tamper bar 14 assumes a specific position relative to the screed plate 18 at the bottom dead center of each work cycle.
  • An eccentric shaft 15 is rotatably mounted in the bearing block 16 (several bearing blocks 16 can be mounted over the length of the frame 17), each having an eccentric section 22 with a certain eccentricity.
  • the eccentric section 22 is located in a connecting rod 21 which connects the eccentric shaft 15 to the tamper bar 14.
  • an eccentric bushing 23 is coupled to the eccentric section 22 in a rotationally fixed manner via an adjusting gear 24 which is supported on the frame 17 and is rotatably mounted in the connecting rod 21.
  • the eccentric bushing 23 can be rotated relative to the eccentric section 22 of the eccentric shaft 15 and, in the respective set rotational position, can be coupled to the eccentric shaft 15 in a rotationally fixed manner.
  • the relative rotation of the eccentric bushing 23 with respect to the eccentric section 22 effects an adjustment of the stroke which the connecting rod 21 transmits to the tamper bar 14.
  • the adjustment of the stroke can, preferably, be carried out automatically via the control system 25, which is in operative connection with the adjustment gear 24, specifically as a function of changes in certain installation parameters.
  • the adjusting gear 24 could be controlled or actuated in an operator-controlled manner as required.
  • the representation of the adjustment gear 24 in Fig. 3 is schematic because the adjusting gear 24 naturally has to act indirectly as a stroke adjusting device via the eccentric shaft 15 on the eccentric bushing 23 due to the rotational movement of the eccentric shaft 15. This is explained in detail on the basis of the further embodiment.
  • the in Fig. 4 The adjusting gear 24 shown, the eccentric bushing 23 is rotatably seated on the eccentric section 22 of the eccentric shaft 15. This is, for example, hollow, such that an internal control rod 27 leads to an adjusting drive 26 located outside the eccentric shaft 15.
  • the control rod 27 is coupled to a driver 28 which is axially adjustable in a groove 29 in the eccentric shaft 15 and is non-rotatably connected to the latter and which engages in a thread-like guide track 31 of the eccentric bushing 23 with an extension 30 protruding outward from the groove 29.
  • the eccentric section 22 has a first eccentricity to the axis of rotation of the eccentric shaft 15, but is cylindrical on the outer circumference.
  • the cylindrical outer circumference of the eccentric bushing 23 is eccentric with respect to the cylindrical inner circumference. Since the cylindrical outer circumference of the eccentric bushing 23 is rotatable in the connecting rod 21, and the tamper bar 14 in one Fixed vertical plane is movable, the extent of the resulting eccentricity from the first and second eccentricities depends on the relative rotational position between the eccentric bushing 23 and the eccentric section 22 is set. The effective extent of the eccentricity determines half the stroke H of a work cycle. By moving the driver 28 in the direction of the axis of the eccentric shaft 15, the stroke H can thus be adjusted continuously between a minimum and a maximum.
  • the eccentric bushing 23 always remains coupled to the eccentric shaft 15 in a rotationally fixed manner.
  • the set axial position of the driver 28 is held by the adjustment drive 26, for example.
  • the eccentric shaft 15 is, for example, on in Fig. 4 left end rotatably mounted in a bearing block not shown here and is from in Fig. 4 right-hand end driven by a hydraulic motor, not shown.
  • the adjusting drive 26 can accordingly be in front of the left-hand end in Fig. 4 be arranged in the screed or on the frame 17.
  • Fig. 5 differs mainly from Fig. 4 that the adjusting gear 24 contains the axially displaceable driver 28 in the outwardly open groove 29 of the eccentric shaft 15 so that the adjusting drive 26 engages from the outside of the eccentric shaft 15 via the control rod 27.
  • the extension 30 of the driver 28 engages in the thread-like guide track 31 of the eccentric bushing 22, which is relatively rotatable on the eccentric section 22 of the eccentric shaft 15, but non-rotatably via the driver 28, the groove 29 and the extension 30 in every axial position of the driver 28 remains coupled to the eccentric shaft 15.
  • the adjusting gear 24 shown has a rotary indexing mechanism which is actuated cyclically by the adjusting drive 26 supported, for example, on the frame 17 of the screed, in order to rotate the eccentric bushing 23 relative to the eccentric section 22 of the eccentric shaft 15.
  • the eccentric bushing 23 is rotatably mounted in the connecting rod 21 via at least one roller bearing 32.
  • at least one axial groove 29 is provided, in which an adjusting mechanism 30 is arranged so as to be axially movable but non-rotatably coupled to the eccentric shaft 15.
  • a sawtooth toothing 34 (circumferential toothing) is provided, as is a sawtooth toothing 35 offset in the circumferential direction at the right-hand end of the adjustment mechanism 33.
  • the eccentric bushing 23 has corresponding sawtooth toothing 37 and 36 at both ends.
  • the axial length of the eccentric bushing 23 between their sawtooth teeth 36, 37 is slightly shorter than the clear width between the sawtooth teeth 35, 34 Annular chamber 40) hydraulically axially adjustable.
  • the left-hand end of the adjustment mechanism 33 is supported on a spring 39 of a stop 38 on the eccentric shaft 15.
  • the adjusting mechanism 33 is derived from the in Fig. 6
  • the position shown is adjusted to the left by the annular piston 41 until the teeth 34, 37 are released and the teeth 35, 36 mesh with one another.
  • the eccentric bushing 23 is rotated by one tooth pitch.
  • the pressure in the annular chamber 40 is then reduced, so that the spring 39 returns the adjusting mechanism 33 to the position shown in FIG Fig. 6 shifts the position shown, and, for example, rotates the eccentric bushing 23 by a further tooth pitch, which is then coupled again to the eccentric section 22 in a rotationally fixed manner.
  • the adjusting gear 24 has the annular piston 41 as an adjusting drive 26.
  • the adjustment drive 26 can be supported on the frame 17 of the screed.
  • the annular piston 41 engages directly on an axial end of the eccentric bushing 23, which is pressed axially onto a conical section 22 'of the eccentric section 22 of the eccentric shaft 15 by the spring 39 supported on the stop 38 on the eccentric shaft 15 via a stop ring 42 and a roller bearing 43 and is rotationally fixed is coupled to the eccentric shaft 15.
  • the eccentric bushing 23 can be moved against the force of the spring 39 by the annular piston 41 from the in Fig.
  • the eccentric bushing 23 can, for example, be designed with coaxial inner and outer cylindrical circumferences, ie circular cylindrical, and arranged in a rotationally fixed manner on two opposite guide stones 44, which can be displaced in outwardly open grooves of the drilled eccentric shaft 15 transversely to the axis of the eccentric shaft 15 and are non-rotatable with the eccentric shaft .
  • Each guide block 44 has an inclined guide surface 45 on the inside, which rests on an inclined guide ramp 47 of a control rod 46, which is axially displaceable in the eccentric shaft 15 by means of the adjustment drive 26 and can be fixed in the selected setting position.
  • the adjustment drive 26 can be designed hydraulically, electrically or mechanically.
  • the eccentric bushing 23 is cylindrical (favorable in terms of production technology), it acts eccentrically relative to the eccentric section 22.
  • Fig. 9 that are functionally of the embodiment of Fig. 8 is similar, two diametrically opposite axial grooves 29 are formed in the eccentric section 22 of the eccentric shaft 15, in which the guide blocks 44 are coupled to the eccentric shaft 15 in an axially displaceable and rotationally fixed manner.
  • a control rod 46 ′ which is coupled or can be coupled to the adjustment drive 26, acts on each guide block 44.
  • the inclined guide surface 47 ' is formed on the outside of the guide block 44 and engages in an axial groove on the inner surface of the eccentric bushing 23.
  • the inclined guide ramp 45 ' is formed in this axial groove, so that the eccentric bushing similar to that in FIG Fig. 8 is displaced transversely to the axis of the eccentric shaft and remains coupled to the eccentric shaft 15 in a rotationally fixed manner.
  • the eccentric bushing 23 can be cylindrical.
  • adjusting gear 24 is incorporated into a toggle lever mechanism via which the rotary movement of the eccentric shaft 15 with its eccentric section 22 is transmitted to the connecting rod 21, to which the tamper bar 14 is attached, via a push rod 48 rotatably mounted on the eccentric section 22 and a hinge axis 49.
  • One end of an adjusting lever 50 is articulated with the connecting rod 21, preferably on the same hinge axis 49, which is supported by a swivel abutment 51 (eg a pin) in a guide track 52 of the bearing block 16 ′ of the eccentric shaft 15.
  • the bearing block 16 ' can be fixed on the frame 17 of the screed.
  • the guide track 52 is, for example, a straight or arched, elongated slot in the bearing block 16 ′ and extends in a plane which cross-cuts the eccentric shaft 15.
  • the adjustment drive 26 is effective between the bearing block 16 'and the swivel abutment 51 to the To adjust the pivot abutment 51 within the guide track 52.
  • the guide track 52 is expediently designed and arranged in relation to the axis of the eccentric shaft 15 and the hinge axis 49 in such a way that, regardless of the adjustment position of the swivel abutment 51 in the guide track 52, the bottom dead center of the work cycles of the tamper bar 14 remains stationary in relation to the screed plate 18, that is, only the top dead center is shifted during the stroke adjustment.
  • the rotation of the eccentric shaft 15 moves the push rod 48 back and forth essentially parallel to the upper side of the frame 17 via the eccentric section 22. Via the common hinge axis 49, this oscillating movement causes a swiveling movement of the adjusting lever 50 about the swivel abutment 51, following a segment of a circular arc.
  • the adjusting lever 50 derives an essentially vertical stroke component for the connecting rod 21 from this. The extent of this stroke component is changed by adjusting the swivel abutment 51 in the guide track 52.
  • the articulation points 9 of the drawbars 8 of the road finisher 1 of Fig. 1 are height-adjustable with the leveling cylinders 10, for example via actuators 10 '(hydraulic valves or the like.) Control system 25 kept in optimal size.
  • lifting cylinders 28 are articulated on the chassis 2, which engage the drawbars 8 and serve to position the screed 3 excavated for transport, for example, or to relieve the screed or, if necessary, to increase the bearing pressure of the screed 3.
  • the tamper 14 of the compaction unit 13 is (see Fig. 3 ) can be operated, for example, by means of an eccentric drive with a selectable stroke H and a selectable frequency F.
  • a speed selector 26 for setting the paving speed V is provided in the control panel P or external control panel P '.
  • the speed selector 26 can optionally also be adjusted by the control system 25 by an actuator (not shown) in order to change the paving speed V.
  • the paving speed V is detected by a symbolically indicated sensor 31 and transmitted to the control system 25.
  • the sensor 31 can be placed in the paver finisher, for example in the control panel P or on a travel drive, or it can scan a reference on the ground 7.
  • an input section 27 for inputting parameters and / or display of parameters can be provided.
  • At least one actuator 28 ' for example a solenoid-operated hydraulic valve, is assigned to the lifting cylinders 28.
  • At least one sensor 30 can be provided as equipment of the road paver 1, which detects the temperature, density or consistency of the paving material, for example immediately in front of the paving screed 3, and if necessary transmits it as information to the control system 25. This recorded information could also be entered by an operator.
  • at least one sensor 29 is provided on the screed 3, which detects the angle of incidence ⁇ of the screed relative to the subsurface 7. This sensor 29 could also pick up the angle of attack ⁇ on the drawbars 8.
  • a sensor 37 can be provided for picking up the thickness of the covering S, which, for example, scans the subsurface 7 or a reference (not shown) on the subsoil 7.
  • Actuators for setting the tamper stroke H or the tamper frequency F are provided in the road finisher 1 or the screed 3 and can be made to convert control signals by means of control signals generated by the control system 25.
  • the setting of the tamper stroke H takes place automatically via the control system 25. Its speed determines the tamper frequency F.
  • a solenoid-operated valve can serve as the actuator 33 for the hydraulic motor 32, for example a proportional flow control valve to which control signals can be applied by the control system 25.
  • control system 25 By means of the control system 25, among other things, a number of different machine or construction site or paving material parameters are automatically regulated as a function of one another in order, for example, to minimize error rates in the built-in covering 6 and to increase the quality of the built-in covering 6.
  • the tamper 14 has to compress the loosely placed paving material 5 so strongly that a load-bearing capacity sufficient for the paving screed 3 is created. Only then is it guaranteed that the screed 3 with its screed plate 18 is dragged in a floating manner at a favorable angle of attack ⁇ .
  • the tamper stroke H, the tamper frequency F, the paving speed V and the angle of attack ⁇ depend heavily on one another. If, for example, the paving speed V is reduced, this has an effect on the pre-compaction of the paving material while the tamper frequency and the leveling cylinder setting remain the same.
  • the load-bearing capacity of the paving material increases, so that the screed 3 continues to float and the angle of attack ⁇ is reduced.
  • the paving speed is increased without increasing the tamper frequency, the load-bearing capacity of the paving material is reduced and the paving screed paves with a larger angle a, but with a smaller pavement thickness S.
  • at least manipulated variables for the compacting unit 13 or the tamper 14 are automatically controlled and regulated by the control system 25 as a function of the relevant processes or machine parameters. In particular, in this way, as a contribution to quality assurance, the paving material is consistently and optimally compacted over the entire paving width of the screed.
  • the angle of incidence ⁇ is detected by means of the sensor 29 or a plurality of sensors 29 distributed in the transverse direction and transmitted to the control system 25, or a controller responsible there specifically for these installation parameters, in order to adapt the tamper stroke H when the angle of incidence ⁇ changes, so that the angle of incidence ⁇ is returned to an optimal value or is not able to change significantly, so that the target layer thickness S is achieved with constant optimal pre-compression.
  • the angle of incidence ⁇ can vary over the paving width of the screed 3.
  • the control system 25 can then carry out the corresponding adjustment of the tamper stroke H for each tamper 14 individually, so that despite the covering thickness S varying transversely to the paving direction, the compression remains uniform over the paving width.
  • the tamper stroke H and the tamper frequency F can also be adjusted via the control system 25, and, if necessary, an adjustment of the leveling cylinder 10 in addition to or as an alternative to an adjustment of the tamper frequency F can be carried out.
  • the adaptation of the tamper frequency F can be carried out in a particularly simple manner in that, when the tamper stroke H changes, the tamper frequency F is automatically adapted according to a characteristic curve or in a characteristic diagram that is entered into the control system or is available there.
  • a relevant paving parameter is also the density or consistency of the paving material 5, for example. and if there is a deviation from the setpoint is adjusted via the control system 25, for example, the tamper stroke H and / or the tamper frequency F and / or the leveling cylinder setting, such that if there is a deviation in the detected density or consistency, the angle of attack is essentially maintained and the same compression and evenness and thus quality of the lining 6 can be achieved.
  • the paving speed V is also a decisive paving parameter, since in the event of a change it is necessary to adapt the tamper stroke H and / or the tamper frequency F and / or the leveling cylinder setting, for example via the automatic control system 25.
  • installation parameter is the rigidity of the installation material 5 and / or its temperature.
  • These installation parameters can, for example, be recorded individually or in combination by means of the sensor 30 or a stiffness and a temperature sensor and transmitted to the control system 25, or after being recorded by an operator at the section 27, whereupon the control system, if advised by the recorded values, adjusts the tamper stroke H and / or the tamper frequency F and / or the leveling cylinder setting accordingly.
  • an adjustment can also be made to the lifting cylinders 28, for example to relieve the screed 3 more during paving or to load it more forcefully in the direction of the subsurface 7, again with a view to making the angle of incidence ⁇ as uniform as possible hold, and let the screed 3 work with even compression of the surface 6.

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

Claims (13)

  1. Table de pose de revêtement et de lissage (3) pour finisseur de route (1), comprenant un groupe de compactage (13) susceptible d'être entraîné selon des cycles de travail cadencés avec une course (H) pouvant être sélectionnée et avec une fréquence (F) pouvant être sélectionnée, en vue de pré-compacter un revêtement (6) en un matériau d'enrobé (5) ayant été posé, le groupe de compactage (13) comprenant un équipement de damage (14) avec une barre de damage, caractérisée en ce que le groupe de compactage (13) comporte une transmission de réglage (24) pour régler, à distance, la course (H) du groupe de compactage (13), la transmission de réglage (24) étant agencée entre un support de palier (16') supportant un arbre d'excentrique (15) entraîné en rotation et un levier de réglage (50) pouvant être réglé dans le support de palier (16') et relié de manière articulée à une bielle (21) entraînant la barre de damage (14), le levier de réglage (50) et une tige de poussée (48) pouvant être entraînée par l'arbre d'excentrique (15) étant couplés à la bielle (21) dans au moins un axe d'articulation (49), de préférence commun.
  2. Table de pose de revêtement et de lissage selon la revendication 1, caractérisée par une transmission de réglage (24) pouvant être actionnée par voie hydraulique et/ou électrique et/ou mécanique, de préférence de manière continue ou selon un mode pas à pas, de préférence au cours même de la pose de revêtement.
  3. Table de pose de revêtement et de lissage selon la revendication 1 ou 2, caractérisée en ce qu'il est prévu un système de régulation automatique (25), de préférence informatisé, relié de manière opérationnelle à la transmission de réglage (24), et permettant la saisie ou la mémorisation préalable de paramètres de pose de revêtement, comme tout au moins la vitesse de pose de revêtement (V) et/ou l'épaisseur du revêtement (S) et un degré de pré-compactage de consigne pouvant être produit par le groupe de compactage (13).
  4. Table de pose de revêtement et de lissage selon la revendication 3, caractérisée en ce que le système de régulation (25) comprend au moins une courbe caractéristique fonction de paramètres de pose de revêtement, pour le réglage automatique de la course (H) en fonction des paramètres de pose de revêtement.
  5. Table de pose de revêtement et de lissage selon la revendication 3, caractérisée en ce que le système de régulation (25) comprend un diagramme caractéristique fonction de paramètres de pose de revêtement, pour le réglage automatique de la course (H) et de la fréquence (F) des cycles de travail du groupe de compactage (13) en fonction de paramètres de pose de revêtement.
  6. Table de pose de revêtement et de lissage selon l'une des revendications précédentes 1 à 5, caractérisée en ce que le support de palier (16') comprend une voie de guidage (52) droite ou arquée dans laquelle vient en prise une butée de pivotement de levier de réglage (51) qui peut être déplacée le long de la voie de guidage (52) au moyen de la transmission de réglage (24), et en ce que la direction d'extension de la voie de guidage (52) orientée transversalement par rapport à l'arbre d'excentrique (15) pointe au moins approximativement vers l'axe de l'arbre d'excentrique (15).
  7. Table de pose de revêtement et de lissage selon la revendication 6, caractérisée en ce que la voie de guidage (52) est agencée par rapport à l'axe de l'arbre d'excentrique (15) et à l'axe d'articulation (49) sur la bielle (21) de façon telle qu'un point mort inférieur du cycle de travail de la barre de damage (14) reliée à la bielle (21) reste immobile indépendamment du réglage de la butée de pivotement (51) du levier de réglage (50) le long de la voie de guidage (52) par rapport à une tôle de lissage (18) montée sur un châssis (17), supportant le support de palier (16'), de la table de pose de revêtement et de lissage (3).
  8. Table de pose de revêtement et de lissage selon la revendication 6 ou 7, caractérisé en ce qu'une extrémité du levier de réglage (50), supportée par la butée de pivotement (51) dans la voie de guidage (52) du support de palier (16') de l'arbre d'excentrique (15), est couplée de manière articulée à la bielle (21) sur l'axe d'articulation (49).
  9. Table de pose de revêtement et de lissage selon l'une des revendications précédentes 6 à 8, caractérisée en ce que la butée de pivotement (51) est réalisée sur le levier de réglage (50) sous la forme d'un tourillon qui est supporté dans la voie de guidage (52) du support de palier (16') de l'arbre d'excentrique (15).
  10. Table de pose de revêtement et de lissage selon l'une des revendications précédentes 6 à 9, caractérisée en ce qu'un entraînement de réglage (26) est prévu entre le support de palier (16') et la butée de pivotement (51) pour régler la butée de pivotement (51) à l'intérieur de la voie de guidage (52).
  11. Finisseur de route pour la pose et le lissage d'un revêtement (6) en matériau d'enrobé (5) sur une sous-couche (7) avec une table de pose de revêtement et de lissage (3) selon l'une des revendications précédentes, caractérisé en ce que la transmission de réglage (24) est incorporée dans un mécanisme à genouillère par l'intermédiaire duquel un mouvement de rotation de l'arbre d'excentrique (15) et de sa section excentrique (22) peut être transmis à la bielle (21) par l'intermédiaire de la tige de poussée (48) montée rotative sur la section excentrique (22) et d'un axe d'articulation (49) sur lequel est fixée la barre de damage (14).
  12. Finisseur de route selon la revendication 11, caractérisé en ce que la tige de poussée (48) peut être déplacée en va-et-vient de manière sensiblement parallèle à la face supérieure d'un châssis (17) de la table de pose de revêtement et de lissage (3) par l'intermédiaire de la section excentrique (22) grâce au mouvement de rotation de l'arbre d'excentrique (15).
  13. Finisseur de route selon la revendication 12, caractérisé en ce que le mouvement de va-et-vient provoque par l'intermédiaire de l'axe d'articulation (49) un mouvement de pivotement du levier de réglage (50) autour d'une butée de pivotement (51) du mécanisme à genouillère en suivant une section d'arc de cercle, de sorte que le levier de réglage (50) acquiert une composante de levage sensiblement verticale pour la bielle (21).
EP18169491.0A 2009-11-20 2010-03-18 Une barre lisseuse d'une finisseuse de routes Active EP3375936B1 (fr)

Priority Applications (1)

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PL18169491T PL3375936T3 (pl) 2009-11-20 2010-03-18 Belka równająca do układarki

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EP09014516 2009-11-20
EP10002895.0A EP2325392B1 (fr) 2009-11-20 2010-03-18 Procédé de pavage et poutre finisseuse

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EP10002895.0A Division-Into EP2325392B1 (fr) 2009-11-20 2010-03-18 Procédé de pavage et poutre finisseuse
EP10002895.0A Division EP2325392B1 (fr) 2009-11-20 2010-03-18 Procédé de pavage et poutre finisseuse

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EP3375936A1 EP3375936A1 (fr) 2018-09-19
EP3375936B1 true EP3375936B1 (fr) 2021-08-11

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EP10002895.0A Active EP2325392B1 (fr) 2009-11-20 2010-03-18 Procédé de pavage et poutre finisseuse
EP18169491.0A Active EP3375936B1 (fr) 2009-11-20 2010-03-18 Une barre lisseuse d'une finisseuse de routes
EP16189023.1A Active EP3138961B1 (fr) 2009-11-20 2010-03-18 Poutre lisseuse

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EP (3) EP2325392B1 (fr)
JP (1) JP5785382B2 (fr)
CN (1) CN102071635B (fr)
PL (3) PL3138961T3 (fr)

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US8998530B2 (en) 2015-04-07
CN102071635B (zh) 2013-04-03
CN102071635A (zh) 2011-05-25
JP5785382B2 (ja) 2015-09-30
US20150139730A1 (en) 2015-05-21
US9790648B2 (en) 2017-10-17
EP3138961B1 (fr) 2018-08-22
EP2325392B1 (fr) 2020-09-30
PL2325392T3 (pl) 2021-05-31
EP3375936A1 (fr) 2018-09-19
PL3138961T3 (pl) 2019-03-29
US20110123267A1 (en) 2011-05-26
EP3138961A1 (fr) 2017-03-08
EP2325392A3 (fr) 2014-10-15
JP2011106261A (ja) 2011-06-02
EP2325392A2 (fr) 2011-05-25
PL3375936T3 (pl) 2022-01-10

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