EP3851584A1 - Finisseuse de route pourvue de commande de compression - Google Patents

Finisseuse de route pourvue de commande de compression Download PDF

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Publication number
EP3851584A1
EP3851584A1 EP20152122.6A EP20152122A EP3851584A1 EP 3851584 A1 EP3851584 A1 EP 3851584A1 EP 20152122 A EP20152122 A EP 20152122A EP 3851584 A1 EP3851584 A1 EP 3851584A1
Authority
EP
European Patent Office
Prior art keywords
layer thickness
screed
control system
paving
compaction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20152122.6A
Other languages
German (de)
English (en)
Other versions
EP3851584B1 (fr
Inventor
Martin Buschmann
Ralf Weiser
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.)
Joseph Voegele AG
Original Assignee
Joseph Voegele AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP20152122.6A priority Critical patent/EP3851584B1/fr
Application filed by Joseph Voegele AG filed Critical Joseph Voegele AG
Priority to PL20152122.6T priority patent/PL3851584T3/pl
Priority to JP2021005144A priority patent/JP7611712B2/ja
Priority to BR102021000747-8A priority patent/BR102021000747A2/pt
Priority to US17/150,121 priority patent/US11746479B2/en
Priority to CN202120151026.1U priority patent/CN216141851U/zh
Priority to CN202110060648.8A priority patent/CN113136772B/zh
Publication of EP3851584A1 publication Critical patent/EP3851584A1/fr
Application granted granted Critical
Publication of EP3851584B1 publication Critical patent/EP3851584B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • 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
    • 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
    • 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
    • E01C19/4806—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 solely rollers for consolidating or finishing
    • 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
    • E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
    • 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
    • E01C23/07—Apparatus combining measurement of the surface configuration of paving with application of material in proportion to the measured irregularities

Definitions

  • the present invention relates to a road paver and a method for operating a road paver.
  • the object of the present invention is to provide a paver with an improved control system and an improved method for operating a paver.
  • a paver according to the invention comprises a screed, the screed comprising a tamper.
  • the road paver further comprises a GNSS receiver (Global Navigation Satellite System Receiver), a material conveyor and an electronic control system which comprises a memory and a data processor.
  • the memory contains digital building data, in particular a target height profile of a road surface to be produced, a target layer thickness of the paving material and, if necessary, a height profile of a subgrade are stored.
  • the control system is configured to automatically control the compaction performance of the paving screed as a function of the nominal layer thickness in order to pave the paving material for the respective local coordinate point of the road paver determined with the GNSS receiver.
  • the nominal layer thickness is variable, so that a flat surface or a flat road surface is obtained.
  • the compaction performance of the screed can now be controlled in such a way that where the subgrade has a depression, i.e. a greater layer thickness has to be built, the material is paved with a higher degree of compaction than in an area where the subgrade is raised and therefore the layer thickness is lower.
  • the degrees of compaction are expediently selected in such a way that during the subsequent re-compaction by a roller, all areas are compressed by the same absolute value, i.e. the roller dimension is the same everywhere, i.e. the areas of higher layer thickness are compressed and re-compacted less in percentage by the roller than the areas lower Layer thickness. This means that the material can be paved with a level surface and this evenness is also maintained during subsequent compaction, since the road surface is sunk to the same extent everywhere.
  • a degree of precompression for a respective location coordinate point is preferably stored in the memory of the control system.
  • the values do not have to be calculated first, but the corresponding control signals can be transmitted directly to the components of the road paver that are relevant for setting the degree of compaction.
  • the road paver has a sensor for measuring an actual layer thickness of paving material, the control system being configured to calculate a deviation of the actual layer thickness from the target layer thickness.
  • the paving material can be installed exactly with the desired target layer thickness, i.e. until the deviation between the actual and target layer thickness is zero.
  • ultrasonic sensors, mechanical touch sensors, laser sensors or other suitable sensors that work with or without an external reference point can be used.
  • the control system is preferably configured to automatically adjust the compaction performance of the screed by controlling the tamper frequency and / or the tamper stroke.
  • the tamper tampers the mix under the paving screed, thus ensuring a sufficient amount of paving material and compacting it.
  • the screed comprises a screed plate and / or a pressure bar and the control system is configured to automatically adjust the compaction performance of the screed by controlling the vibration frequency and / or amplitude of the screed sheet and / or the pressure bar pressure. High degrees of compression can be achieved with these devices.
  • control system is configured to automatically adjust the compaction performance of the screed by controlling the paving speed.
  • the paving speed determines the duration of action of the compaction units tamper, screed plate and pressure bar and is particularly suitable for adapting the settings to a required working width.
  • the paving material can be installed with a known degree of precompaction that depends on the layer thickness. In this way, the loss of height due to the subsequent compaction with a roller can be predicted and the paving material can be installed with a layer that is greater than the thickness of the roller. What is achieved here is that the rolling dimension is the same for all spatial coordinate points.
  • one or more target layer thicknesses of the upcoming, i.e. further forward in the direction of travel, local coordinate points can be taken into account in addition to the nominal layer thickness of the respective spatial coordinate point or the current position. Likewise can one or more previous values can also be used to ensure a steady surface curve.
  • the installation of the paving material preferably includes the detection of an actual layer thickness by means of a sensor and the calculation of a difference between the actual layer thickness and the target layer thickness and that the road paver is automatically controlled to minimize the difference.
  • the essential parameters of the paving operation namely the layer thickness and the degree of pre-compaction, can be monitored and controlled automatically. This allows the paver operator to pay more attention to other tasks to be performed in the paving operation. It is conceivable to have the current values of the paving parameters, in particular layer thickness and degree of precompaction, shown on a display so that an operator can read them and also intervene in the automatic control and change the parameters. Because the course, i.e.
  • the electronic control system automatically adjusts the compaction performance of the screed by controlling the tamper frequency and / or the tamper stroke.
  • the tamper can be seen as the first stage of screed compaction. On the one hand, it influences the amount of paving material that gets under the screed. On the other hand, it pre-compresses the paving material.
  • control system automatically sets the compaction performance of the screed by controlling the vibration frequency and / or amplitude of the screed plate and / or the pressure bar pressure. In this way, high degrees of compaction can be achieved even with thicker layers.
  • control system automatically adjusts the compaction performance of the screed by controlling the paving speed.
  • the paving speed can be set as a function of the target layer thickness.
  • the digital building data which include the height profile of the subgrade, are transferred from an external data processing system at the beginning of the method transferred to the memory of the electronic control system via radio or cable connection.
  • the external data processing system can be, for example, a laptop, tablet, mobile phone, stationary personal computer, server or the like, and the radio transmission can take place by means of RFID, Bluetooth, WLAN, cellular connection or the like.
  • the subgrade data which were previously determined by means of a surface scan with an independent vehicle, for example, can be analyzed, processed and supplemented with calculated data that is dependent on it. This can take place, for example, at a central location for construction site monitoring and the data can then be transmitted to the paver at the construction site.
  • an external data processing system is used to calculate the respective compaction performance as a function of the determined target layer thickness and / or assign the respective compaction performance to a spatial coordinate point as a function of the target layer thickness and the data are then transferred to the memory of the electronic control system.
  • the compaction performance and thus the degree of pre-compaction can therefore always be calculated or taken from a table-like data set. Calculating by means of an external system has the advantage that the necessary devices can easily be kept available and the data can also be displayed, analyzed and processed using appropriate EDP devices.
  • the respective compaction output is calculated as a function of the determined target layer thickness by means of the electronic control system and / or the respective compaction output is assigned to a spatial coordinate point as a function of the target layer thickness.
  • Figure 1 shows a schematic side view of a road paver 1, with a lower area in a sectional view showing a material bunker 3 with paving material 5, and the paving material 5 is conveyed by means of a material conveyor 7 through a tunnel 9 to the rear in front of a paving screed 11 and there by a distribution auger 12 is evenly distributed.
  • the road finisher 1 also includes a GNSS receiver 13 which is connected to an electronic control system 15.
  • the electronic control system 15 comprises a memory 17 and a data processor 19.
  • the screed 11 comprises a tamper 21, a screed plate 23, and a pressure bar 25, several of these components also being able to be present in each case.
  • the paving material 5 is pre-compacted by means of the screed 11 and paved with a layer thickness d B , which in ideal operation corresponds to the target layer thickness ds, on a subgrade 27 as a road surface 28, the target layer thickness ds being one rolling dimension s higher than the desired one Final layer thickness d E , which is present after re-compaction by a roller.
  • a sensor 29, which can be attached to the paving screed 11 or the chassis of the paver 1, is used to measure the actual layer thickness d I of the paving material 5.
  • the sensor 29 can also be attached so that it determines the actual layer thickness d I measures even during paving, and so the screed 11 can be readjusted.
  • An external data processing system 31 for example a laptop, can be used to send and receive building data by means of a radio link via antennas 33 on the paver finisher 1 and on the data processing system 31, whereby the antennas 33 can also be suitable for receiving satellite signals for position determination, or via a cable connection 35, may be provided.
  • FIG. 2 shows a three-dimensional view of digital building data 37.
  • the planum 27 has an elevation profile 39 which includes elevation data for individual location coordinate points 41.
  • This height profile 39 can have been obtained by a previous surface scan using an external vehicle.
  • a corresponding scanning device it is also possible for a corresponding scanning device to be attached to the road finisher 1 itself and for the surface scan to take place for a part of the subgrade 27 further forward in the direction of travel, while paving material 5 is already in a rear part, based on the digital building data 37 already obtained , is installed.
  • the data of the height profile 39 of the subgrade 27 are enriched with the data of a nominal height profile 43 of the road surface 28 to be produced.
  • the different nominal layer thicknesses ds for the respective location coordinate points 41 are stored.
  • the number of data points or location coordinate points 41 for which formation and road surface data are stored can vary depending on the technical specifications for data acquisition and processing, for example the accuracy of the GNSS, and thus represents a form of "resolution"
  • the processing of the digital building data 37 includes algorithms which differentiate areas with frequent and / or greater unevenness in the subgrade 27 from areas with few changes and adjusts the number of data points proportionally, which on the one hand maintains a high information density and on the other hand the data volume is reduced.
  • the position of the data points 41 in the grid can be influenced by a sensor position.
  • the digital building data 37 include further data which were calculated in particular on the basis of the measured data, such as the height profile 39 of the subgrade 27, such as, for example, a desired degree of compaction per spatial coordinate point 41.
  • Figure 3 shows a schematic view of the screed compaction of paving material 5 with a level subgrade 27.
  • the paving material 5 is deposited by means of the material conveyor 7 and the distribution auger 12 in front of the paving screed 11 with a bulk density ps.
  • the screed 11 can be used without significant changes to the paving parameters that have been set.
  • Figure 4 shows a schematic view of the roller compaction of paving material 5 or of the road surface 28 built by the screed 11 with a level subgrade 27.
  • the layer thickness d B is reduced by the rolling dimension s to the final layer thickness d E, for which the roller 45 makes one or more passes.
  • the density of the installation material 5 increases to the Roll density ⁇ W.
  • ⁇ M is the density of the Marshall specimen, which is produced with a compacting device under laboratory conditions.
  • the density ⁇ M essentially corresponds to the maximum density of the paving material 5.
  • the degree of compaction k B , k W indicates how many percent of the maximum density ⁇ M the paving material 5 is brought to with the respective machine, screed 11 or roller 45.
  • Figure 6 shows a schematic view of the plank compaction of paving material 5 with an uneven subgrade 27.
  • the layer thicknesses d B1 and d B2 are specified in order to obtain a level road surface 28 at a desired level.
  • the rolling dimension s, by which the height of the road surface 28 is reduced by the roller compaction, is expediently taken into account.
  • the respective degrees of compression k B1 and k B2 are calculated according to equation 1.
  • the electronic control system 15 is able to regulate the compaction performance of the screed 11 by controlling one or more of the compaction units 21, 23, 25 and thus produce the respective calculated degree of compaction k B at the point known from the three-dimensional structure data 37.
  • the degree of compaction k B and thus the density ⁇ B are built in as a function of the layer thickness d B in order to obtain a uniform rolling dimension s everywhere during the subsequent re-compaction by the roller 45.
  • Figure 7 shows a schematic view of the roll compaction of paving material 5 with an uneven subgrade 27.
  • the rolling dimension s is the same everywhere due to the adjusted degrees of compaction k B1 , k B2.
  • the road surface 28 already paved by the screed 11 is therefore re-compacted by the roller 45 while maintaining this longitudinal evenness.
  • the road surface 28 is present with a uniform density ⁇ W and a uniform degree of compaction kw as well as the final layer thickness d E, which is variable depending on the subgrade 27.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Road Paving Machines (AREA)
  • Road Paving Structures (AREA)
EP20152122.6A 2020-01-16 2020-01-16 Finisseuse de route pourvue de commande de compression Active EP3851584B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PL20152122.6T PL3851584T3 (pl) 2020-01-16 2020-01-16 Wykańczarka ze sterowaniem zagęszczenia
EP20152122.6A EP3851584B1 (fr) 2020-01-16 2020-01-16 Finisseuse de route pourvue de commande de compression
BR102021000747-8A BR102021000747A2 (pt) 2020-01-16 2021-01-15 Pavimentadora de estrada e método para operar a mesma
US17/150,121 US11746479B2 (en) 2020-01-16 2021-01-15 Road paver with compaction control
JP2021005144A JP7611712B2 (ja) 2020-01-16 2021-01-15 締固め制御を伴う道路舗装機械
CN202120151026.1U CN216141851U (zh) 2020-01-16 2021-01-18 具有摊铺熨平板的道路摊铺机
CN202110060648.8A CN113136772B (zh) 2020-01-16 2021-01-18 具有压实控制的道路摊铺机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20152122.6A EP3851584B1 (fr) 2020-01-16 2020-01-16 Finisseuse de route pourvue de commande de compression

Publications (2)

Publication Number Publication Date
EP3851584A1 true EP3851584A1 (fr) 2021-07-21
EP3851584B1 EP3851584B1 (fr) 2022-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20152122.6A Active EP3851584B1 (fr) 2020-01-16 2020-01-16 Finisseuse de route pourvue de commande de compression

Country Status (6)

Country Link
US (1) US11746479B2 (fr)
EP (1) EP3851584B1 (fr)
JP (1) JP7611712B2 (fr)
CN (2) CN216141851U (fr)
BR (1) BR102021000747A2 (fr)
PL (1) PL3851584T3 (fr)

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DE102022201294A1 (de) 2022-02-08 2023-08-10 Moba Mobile Automation Aktiengesellschaft Nivelliersystem für eine Baumaschine
EP4372147A1 (fr) * 2022-11-18 2024-05-22 Sumitomo (S.H.I.) Construction Machinery Co., Ltd. Finisseur d'asphalte

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CN113737614B (zh) * 2021-09-24 2023-08-29 中交二公局萌兴工程有限公司 一种路面基层无人驾驶机群碾压系统
CN113970295B (zh) * 2021-09-28 2024-04-16 湖南三一中益机械有限公司 一种摊铺厚度测量方法、装置及摊铺机
CN114808619A (zh) * 2022-06-06 2022-07-29 保利长大工程有限公司 一种水泥稳定层3d摊铺工艺及3d摊铺系统
CN116607371A (zh) * 2023-05-31 2023-08-18 中交路桥建设有限公司 用于公路沥青路面施工的基层及下面层摊铺压实方法
JP2025104061A (ja) 2023-12-27 2025-07-09 住友建機株式会社 道路機械及び管理システム
CN117926666A (zh) * 2023-12-29 2024-04-26 宜春市公路事业发展中心 摊铺施工指标监控方法、存储介质、摊铺机及互联系统
CN118186870A (zh) * 2024-03-18 2024-06-14 泰州优达体育器材有限公司 一种塑胶跑道高效摊铺装置
EP4667657A1 (fr) * 2024-06-17 2025-12-24 MOBA Mobile Automation AG Procédé et appareil de nivellement de chaussée

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US20100129152A1 (en) 2008-11-25 2010-05-27 Trimble Navigation Limited Method of covering an area with a layer of compressible material
EP2325392A2 (fr) * 2009-11-20 2011-05-25 Joseph Vögele AG Procédé de pavage et poutre finisseuse
EP2366832A1 (fr) * 2010-03-18 2011-09-21 Joseph Vögele AG Procédé et finisseuse de route destinés au montage d'une couche de revêtement compactée
EP3594409A1 (fr) * 2018-07-13 2020-01-15 Joseph Vögele AG Engin de construction doté d'une installation de bande transporteuse à capteur de poids

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022201294A1 (de) 2022-02-08 2023-08-10 Moba Mobile Automation Aktiengesellschaft Nivelliersystem für eine Baumaschine
EP4372147A1 (fr) * 2022-11-18 2024-05-22 Sumitomo (S.H.I.) Construction Machinery Co., Ltd. Finisseur d'asphalte

Also Published As

Publication number Publication date
CN113136772B (zh) 2022-12-23
EP3851584B1 (fr) 2022-11-09
BR102021000747A2 (pt) 2021-07-27
US20210222379A1 (en) 2021-07-22
CN216141851U (zh) 2022-03-29
JP7611712B2 (ja) 2025-01-10
CN113136772A (zh) 2021-07-20
PL3851584T3 (pl) 2023-03-20
US11746479B2 (en) 2023-09-05
JP2021113490A (ja) 2021-08-05

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