EP1032732A1 - Association d'appareils destinee a deposer et a precomprimer des couches d'asphalte - Google Patents

Association d'appareils destinee a deposer et a precomprimer des couches d'asphalte

Info

Publication number
EP1032732A1
EP1032732A1 EP98965584A EP98965584A EP1032732A1 EP 1032732 A1 EP1032732 A1 EP 1032732A1 EP 98965584 A EP98965584 A EP 98965584A EP 98965584 A EP98965584 A EP 98965584A EP 1032732 A1 EP1032732 A1 EP 1032732A1
Authority
EP
European Patent Office
Prior art keywords
built
combination according
attached
conveyor belt
devices
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.)
Withdrawn
Application number
EP98965584A
Other languages
German (de)
English (en)
Inventor
Elk Richter
Willi Dietrich
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.)
GVS mbH and Co KG
Original Assignee
GVS mbH and Co KG
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 claimed from DE19809435A external-priority patent/DE19809435A1/de
Priority claimed from DE29812115U external-priority patent/DE29812115U1/de
Application filed by GVS mbH and Co KG filed Critical GVS mbH and Co KG
Publication of EP1032732A1 publication Critical patent/EP1032732A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/02—Feeding devices for pavers
    • 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
    • E01C2301/02—Feeding devices for pavers
    • E01C2301/04—Independent shuttles

Definitions

  • the invention relates to a built-in device combination for installing and
  • Pre-compaction of two-layer asphalt layers consisting of a first installation device for the installation of a base course and a second
  • a top layer Built-in device for installing a top layer, each of which has a material holding bucket, a transport system for transporting the hot mix and a distribution and compression system.
  • a paver and a method are known in which the road is heated, the upper asphalt layer is milled and the milled, heated material is mixed with new material and is then returned to the road after liquid bitumen has been applied as an adhesive.
  • this repair also known as hot recycling (Repave, Remix or Remix-plus process)
  • the repair of the road surface takes place on the construction site of the lower layer of asphalt, which is disadvantageous in that fluctuations in the composition of the Layed material is unavoidable, since old roads are often repaired with different materials.
  • the old material is subjected to such high thermal stresses that the asphalt is damaged (by combustion) and carcinogenic gases (PAH) are formed. Asphalt is poor Heat conductor, only thin layers of asphalt can be lifted off and processed.
  • EP 0 730 694 describes a large paver that contains the units of two built-in devices in one structural unit. This is achieved by extending the frame and increasing the basic machine.
  • the disadvantage here is that this built-in device is only particularly suitable for the two-layer paving of hot asphalt, ie it is not suitable for a general application that also requires single-layer paving.
  • the trailing second paving device causes depressions in the lower hot asphalt layer, since the crawler or wheel chassis is designed for conventional paving, namely for the installation of a hot asphalt layer on a cold surface. These depressions lead to differences in layer thickness over the entire pave width as well as in the longitudinal direction, especially when the machine is at a standstill and the pace of installation is very different. Furthermore, there are quality differences due to inevitable changes in the distance between the two built-in devices.
  • DE 38 23 917 AI describes a built-in device for large working widths and high paving capacities for asphalt and concrete road construction, in which at least two filling chutes are arranged in the filling area to increase the material input.
  • This configuration of the filling area enables two, three or more trucks to feed material at the same time, thereby reducing the distribution work.
  • the paving thickness is monitored by a leveling control with leveling wires arranged outside the paving width. With this leveling control, the installation thickness of the total layer thickness is regulated. The It is not possible to determine the thickness of the hot asphalt surface course applied above.
  • the disadvantage here is that the very powerful built-in device can only take up and install a uniformly composed asphalt mix. The direct laying of two different asphalt on top of each other is not possible.
  • the invention has for its object to provide a machine combination, which is created by structural changes to two conventional built-in devices, to specify directly installed street built-in devices that enable the direct laying of two different asphalts produced on a stationary mixing plant in the hot process over the entire width of the built-in device.
  • the two built-in devices are coupled to one another.
  • the coupling can consist of a fixed or articulated connection, can be carried out by means of an electronic control of at least one of the two transfer devices, or can be implemented by the operating personnel.
  • the distance between the two consecutive built-in devices is kept constant, the maximum distance between the two Built-in devices is determined by the length of the transfer devices for the top layer mix.
  • the constant distance ensures a constant asphalt quality.
  • the first built-in device preferably contains two material receiving cubes or a subdivided mixing material receiving bucket, the dimensions, in particular the width, of which can be varied such that two trucks can simultaneously load differently mixed asphalt mixtures.
  • a mixing material holding bucket is used in a known manner for storing the mixed material to be installed by the first built-in device, while the task of the second mixing material holding bucket or the second part consists only in the intermediate storage of the top layer asphalt, which is conveyed via a transport system in the mixed material holding bucket of the second trailing installation device.
  • the second paving machine is a tracked paving machine and runs on the hot, only pre-compacted lower asphalt layer.
  • the lower asphalt layer is pre-compacted with the known normal or with higher compaction screeds.
  • its chain undercarriage is modified so that the ground pressure is reduced and is preferably below 1.8 kg / cm 2 .
  • the second built-in device can contain additional sensors, which ensure that the specified covering layer thickness is exactly adhered to
  • top layer mixture is laid directly on the only pre-compacted hot base and with the compacting element of the second Pre-compacted paving equipment Then both asphalt layers are compacted together using rollers
  • An advantageous embodiment provides that both built-in devices are equipped with a programmable logic controller (PLC) and / or an industrial computer (IPC) to control the work processes.
  • PLC programmable logic controller
  • IPC industrial computer
  • the paving train according to the invention enables the paving and pre-compaction of two differently composed asphalts directly one above the other, which are produced on stationary asphalt plants. It is particularly advantageous that the machine combination can be produced in a simple manner by structural changes from two standard road paving devices
  • Both road paving devices only have to be structurally modified to the extent that separate use of each paving device is possible independently of one another, if only single-layer asphalt layers (hot on cold) are installed.A high working speed is achieved with the device combination according to the invention.
  • the asphalt supplied by the mixing plant is used it is an asphalt with fewer fluctuations and a defined temperature. Furthermore, the above-mentioned harmful emissions are not assumed, since the production takes place at a uniform and low temperature
  • the other mixing pellet or the cube part can be filled by reducing one cubicle or one part of the mix or reducing the cubic part , since the top layer mix is required directly in the mix pick-up cube of the second installation device and is usually much smaller in quantity compared to the installation quantity of the first installation device.
  • the transport system for the ceiling mix consists preferably of two single belts It is also possible to use screws, slatted frames, scraper conveyors or combinations of these transport systems.
  • the transport systems can be heated to make one n to prevent significant temperature loss and asphalt sticking
  • the converted first road paving device according to the invention thus combines the tasks of a conventional road paving device with which the lower asphalt layer is laid and pre-compacted, with the task of a transfer device for conveying asphalt mix material into the trailing second paving device.
  • the invention therefore also achieves the advantage that no self-propelled transfer device is required for the ceiling mix of the second built-in device
  • the second paving device runs directly behind the first paving device and relocates the top layer directly to the hot, lower asphalt layer so that its warming potential can be optimally used for compaction.
  • the distance between the two paving devices must therefore be kept as small as possible. The distance is in the present case limited by the length of the front system for the top layer asphalt and should be less than 4 m if possible
  • the second paving machine is usually a caterpillar paving machine and runs on the pre-compacted hot lower asphalt layer.
  • the second built-in device on both sides with sensors that sense the heights of the hot, only pre-compacted first and second asphalt layers.
  • sensors conventional laser, infrared or ultrasonic sensors can be used.
  • the use of mechanical sensors is still hot due to the risk of damage to the delicate Layer imprecise.
  • the paving thickness of the top layer is constantly shown on a display in the driver's cab. If the specified tolerances are exceeded, a correction is made automatically
  • FIG. 1 shows a plan view of the first built-in device of the device combination
  • FIG. 4 shows the front view of an embodiment of the first built-in device, in which the top layer mixture is passed laterally
  • Figure 5 is a schematic representation of a system for the
  • FIG. 6 shows the top view of the built-in device train shown in FIG. 5
  • Figure 7 is a plan view of the self-driving transfer device and FIG. 8 the transfer device in a side view,
  • FIG. 9 shows a transfer device with pivotable mix storage cubes in a side view
  • Figure 11 is a side view
  • the built-in device combination consists of two independently operating built-in devices, the first built-in device having a divided mix receiving cube, which can be telescopically extended and / or folded on both sides to widen it to the right and to the left, thus filling made possible with two types of mix, whereby two trucks can approach different mixes simultaneously and tip into the buckets
  • support wheels 15 extendable on both sides are attached.
  • underlay binder-asphalt base course
  • a conveyor belt or screws is used to transport it into the mixing material receiving cube of the immediately following second built-in device the width of the chains 1 1 of the trailing built-in device is minimized from 300 mm to 500 mm pre-compacted and then both layers are compacted together again using rollers.
  • the first built-in device shown in FIG. 1 contains two built-in built-in bucket parts M1 and M2.
  • the collapsible side walls are preferably extended to 6200 mm, so that two different asphalt mixtures from two trucks can be tipped at the same time.
  • the built-in device bucket part for the lower asphalt layer contains two transport systems 1 and 2, which convey the mix to the two separate and counter-rotating augers 3 and 4.
  • the two transport systems 1 and 2 allow separate regulation of the quantity of mix.
  • the screeds 5 and 6 of the first paving device are provided as high-compression screeds 12 with two rammers.
  • the receptacle M2 for the mix of the upper layer contains only one conveyor belt 7, which is guided through the built-in device running at the front. In order to ensure that the trailing built-in device is filled in the center, it is either pivotably arranged or coupled to an additional cross-distributor belt 8. In order to keep the cooling of the ceiling mix in the rain or cold weather on the transport route low, a cover is attached to the top of the conveyor belts, which is provided with indirect heating. This also reduces the sticking of the asphalt mix.
  • the transport system for the ceiling mix consists of the two individual belts 7 and 8 arranged one behind the other. However, it is also possible to use other transport systems, for example screws, slatted frames, scraper conveyors or combinations thereof. Both Mixture cubes can be tilted to the side in order to direct the asphalt mix lying outside the discharge belt onto the transport system
  • the second installation device shown in FIG. 2 is provided on the filling side with an attached, preferably 400 mm high, separating plate 9 in order to prevent the top layer mixture from falling out in front of the chains 11 of the caterpillar installation device, which would lead to severe unevenness in the hot base.
  • Sensors 10 are attached to the second built-in device on both sides at the front and rear, which scan the surfaces of the two layers and thus enable the installation thickness of the top layer to be determined. The thickness of the layer is constantly shown to the operator on a display in the driver's cab.
  • the measurement data are fed to the leveling control when exceeded
  • the height setting of the compaction screed is corrected according to the specified tolerance
  • the second paving machine is equipped with normally compacted screeds that only contain a rammer
  • Figure 3 shows a side view of the built-in device combination.
  • the transport system for the transport of the top layer mixture which is formed here by the conveyor belt 7, runs through the first built-in device. It is also possible that the conveyor belt 7 is designed to be inclined or from a flat part with subsequent connection rising area
  • FIG. 4 shows an embodiment in which the mixed material for the second paving device is guided past the first paving device on the side of the built-in device.
  • Extendable mix material receiving cubes M1 and M2 are located on the mixed material cube M2 for the top layer asphalt Filler neck 13 for the top layer asphalt, through which the material reaches the side conveyor 7 ' , where it is transported to the cross conveyor 8', at which there is also a filler neck, through which the mixed material then reaches the distribution system.
  • gat 14 for the side conveyor a diesel engine is preferably used
  • FIGS. 5 to 8 illustrate an example of an embodiment in which the mix for the upper asphalt layer is transported to the rear paving device B with a separate transfer device B which drives in front of the two paving devices
  • FIGS. 5 and 6 explained an application with a separate transfer device in cooperation with an installation train that contains two installation devices.
  • the transfer device B simultaneously supplies the first installation device El and the second installation device E2 arranged behind them.
  • the mixed material for the installation device E2 is transported with the transfer device to a slowly displaceable conveyor belt F3 arranged on the front installation device El for further conveying of the material.
  • the displaceable conveyor belt F3 can be hydraulically advanced and retracted by 1500 mm
  • FIGS. 7 and 8 explain the mode of operation of the transfer device.
  • the loading takes place by means of two conveyor belts Fl and F2 acting in the longitudinal direction.
  • the mix is tipped by trucks into the storage container M3 of the transfer device B or into the storage container M4 of the first built-in device El at the transfer device B.
  • the lateral cubic walls M3 1 and M3 2 can be tilted up to a tilt angle of 60 ° to facilitate the complete emptying of the storage container M3
  • Conveyor belts Fl and F2 transport the mix depending on the position of the conveyor belt M3 either in the storage container M4 of the paver El or on the movable conveyor belt F3.
  • the front conveyor belt Fl is arranged at an angle of 8 °, the belt width is 1350 mm, so that there is one usable trigger width of 1200 mm results in the installation of compact asphalt with a large pave width of up to 7.5 m, the second paver E2 can also be fed from the side.
  • the second belt F2 of the transfer device B is therefore designed as a swivel belt Realize In the case shown, it is a swiveling hinge with truss frame, which is swiveled on both sides by 40 ° to the longitudinal axis and whose inclination to the horizontal can be adjusted between 15 ° and 25 °
  • the rear conveyor belt F2 is also reversible and equipped with a hydraulic cleaning flap, so that coarse particles can also be removed from the belt Kubelwande enables a simple and complete cleaning of the material bunker. Thanks to the good belt cleaning, it is possible to transport different mixes alternately without contamination of a mix from other mixes previously requested
  • Another important advantage of the arrangement according to the invention is that it can be attached in a simple manner to transfer devices which have been in use to date.
  • the belt take-off can be widened, the cubicle walls can be adapted and a new swivel belt with a truss frame which is approx
  • the swiveling angle of the rear belt is 40 ° on both sides to the vehicle's longitudinal axis.
  • the height of the belt is adjusted between 15 ° and 25 °.
  • the rear conveyor belt F2 is designed to be reversible. As a result, disruptive goods on the conveyor belt can be easily removed without the operating personnel having to manually manipulate the conveyor belt must therefore be attached to the inlet of the rear conveyor belt F2 a device for receiving mixed material residues.
  • the device consists of a box-shaped part that is opened automatically when the belt runs backwards with a hydraulically operated flap
  • a steerable support wheel can be attached to the rear conveyor belt F2 in order to support the sloping belt
  • All movements of the conveyor belts Fl, F2 and F3 are hydraulically infinitely adjustable and can be easily regulated. It is of course also possible to use other devices such as cable pulls, To operate racks or mechanical gears, preferably worm gears.
  • the feeder has a modular structure so that the front belt can be exchanged at short notice and / or replaced by other conveyors.
  • the feeder can thus be quickly adapted to other funding conditions.
  • the front conveyor belt F1 can be pulled out in a longitudinal guide together with the associated drive and cleaning devices.
  • the simple and quick interchangeability that this enables makes it possible to carry out repairs quickly and to convert the transfer device to different conveying situations. For example, Different belt widths are used or the conveyor belt can be replaced by a closed screw, which is particularly necessary for dusty goods.
  • the drive power is selected to be large enough to drive other conveyor devices such as scraper belts, screws, etc.
  • a transfer device is explained in FIGS. 9 to 11, with which the built-in device El and the second built-in device E2 arranged behind it can be loaded in that the transfer device is provided with an additional device with pivotable mix storage containers.
  • the additional device is arranged on a transfer device which, in normal operation, for loading only one built-in device is used.
  • the additional device is attached with detachable fastening means, so that it can be easily removed and the transfer device can be used both in the usual way and for loading two built-in devices.
  • the additional device has an additional, pivotable mixing container K, the pivoting being able to take place about a horizontal or about a vertical axis. It is also possible to translate this movement with guides that are attached to the base frame of the transfer device.
  • the transfer device has an additional conveyor belt 18, which, viewed in the direction of travel, can be attached to the base frame on the right or left.
  • This additional conveyor belt 16 expediently consists of two individual belts arranged one behind the other.
  • transport devices e.g. to attach a snail, a scratch or a scraper conveyor.
  • the transport devices can be heated depending on the material to be transported. The heating can be done with gas, by an electric heater or also by heat recovery, for example by using the exhaust gases of the drive motor.
  • the material flow of the first mixed material runs in a known manner from the first mixed material bucket 17 onto an adjustable conveyor belt 16 into the storage bunker of the first built-in device.
  • the material flow of the second mixed material runs via the additional device from the additional mixed material bucket K with a side conveyor attached there, which is perpendicular to the transport direction of the conveyor belts 16, 18 running cross belt 19 contains, on the additional conveyor belt 18.
  • the conveyor belt 18 is mounted on the right or left side parallel and slightly rising on the base frame.
  • the material is transported to the storage hopper of the second built-in device via a further belt.
  • the additional mixing container K with the side conveyor can be pivoted upwards with the help of the pivoting lever 20, so that the two storage containers 17 and K can alternately be loaded unhindered by a transport vehicle.
  • the pivoting movement is actuated by the hydraulic cylinder 21 in the example shown. It is also possible to actuate the pivoting movement via other devices such as cable pulls, toothed racks or mechanical gears, preferably worm gears.
  • the first built-in device E2 second built-in device

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)

Abstract

L'invention concerne une association d'appareils destinée à déposer et à précomprimer deux couches d'asphalte. Cette association comprend un premier appareil (E1) destiné à déposer une couche support et un deuxième appareil (E2) destiné à déposer une couche de revêtement. Ces deux appareils possèdent respectivement un réceptacle de matériaux (M1, M2), un système de transport destiné au transport du mélange de matériaux chaud et un système de distribution et de compression. Cette association est caractérisée en ce que les deux appareils (E1, E2) sont reliés, le mélange de matériaux étant ainsi transporté de l'un des réceptacles de matériaux (M1) qui sert au stockage temporaire du matériau de la couche de revêtement, jusqu'au deuxième appareil (E2). Et un système de transport (7) supplémentaire partant du réceptacle de matériaux (M1) permet de transporter le matériau de la couche de revêtement dans le réceptacle du deuxième appareil monté directement en aval.
EP98965584A 1997-11-20 1998-11-19 Association d'appareils destinee a deposer et a precomprimer des couches d'asphalte Withdrawn EP1032732A1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19751346 1997-11-20
DE19751346 1997-11-20
DE19809435 1998-03-05
DE19809435A DE19809435A1 (de) 1997-11-20 1998-03-05 Fertigerkombination zum Einbauen und Vorverdichten von Asphaltschichten
DE29812115U 1998-07-09
DE29812115U DE29812115U1 (de) 1998-07-09 1998-07-09 Übergabegerät
PCT/DE1998/003419 WO1999027189A1 (fr) 1997-11-20 1998-11-19 Association d'appareils destinee a deposer et a precomprimer des couches d'asphalte

Publications (1)

Publication Number Publication Date
EP1032732A1 true EP1032732A1 (fr) 2000-09-06

Family

ID=27217941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98965584A Withdrawn EP1032732A1 (fr) 1997-11-20 1998-11-19 Association d'appareils destinee a deposer et a precomprimer des couches d'asphalte

Country Status (3)

Country Link
EP (1) EP1032732A1 (fr)
PL (1) PL340686A1 (fr)
WO (1) WO1999027189A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6514007B2 (en) * 1993-11-27 2003-02-04 Elk Richter Finisher to lay and compact asphalt layers and method for operating same
PL2385003T3 (pl) * 2010-04-16 2013-01-31 Joseph Voegele Ag Urządzenie przenośnikowe
DE102013004757A1 (de) * 2013-03-20 2014-09-25 Dynapac Gmbh Beschicker und Verfahren zum Umrüsten desselben
DE102013007446A1 (de) * 2013-05-02 2014-11-06 Dynapac Gmbh Verfahren zum Reinigen von Straßenfertigern oder Beschickern
CN105486562A (zh) * 2016-01-18 2016-04-13 云南公投建设集团有限公司 沥青稳定类冷再生混合料振动成型仪及试件成型方法

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Publication number Priority date Publication date Assignee Title
US4534674A (en) 1983-04-20 1985-08-13 Cutler Repaving, Inc. Dual-lift repaving machine
DE3524463A1 (de) * 1985-07-09 1987-01-15 Strabag Bau Ag Fahrbare lademaschine
FR2625237A1 (fr) * 1987-12-24 1989-06-30 France Littoral Sa Route Procede d'alimentation en enrobe d'un vehicule type finisseur et dispositif pour la mise en oeuvre de ce procede
DE3823917A1 (de) 1988-07-14 1990-01-18 Berger Bau Gmbh Fertiger fuer grosse arbeitsbreiten und hohe einbauleistungen fuer den asphalt- und betonstrassenbau
WO1992008847A1 (fr) * 1990-11-14 1992-05-29 Niigata Engineering Co., Ltd. Procede pour reguler l'epaisseur d'un revetement de chaussee dans une niveleuse a moteur et procede pour selectionner les conditions permettant une commande automatique
DE9207939U1 (de) * 1991-07-31 1992-08-13 Maschinenbau Ulm Gmbh, 7900 Ulm Schwarzdeckenfertiger
DE59402463D1 (de) 1993-11-27 1997-05-22 Elk Richter Verfahren zum betreiben eines fertigers und fertiger zum einbauen und verdichten von asphaltschichten
DE29519719U1 (de) * 1995-12-12 1996-02-01 Joseph Vögele AG, 68163 Mannheim Vorrichtung zum Einbauen von Belagschichten
DE29617116U1 (de) * 1996-10-01 1996-11-21 Joseph Vögele AG, 68163 Mannheim Einbauzug
DE29706919U1 (de) * 1997-04-17 1997-12-18 GVS mbH & Co. KG, 36251 Bad Hersfeld Fertiger zum Einbauen von Asphaltschichten
DE29715467U1 (de) * 1997-08-28 1997-10-30 Joseph Vögele AG, 68163 Mannheim Vorrichtung zum Beschicken

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Title
See references of WO9927189A1 *

Also Published As

Publication number Publication date
WO1999027189A1 (fr) 1999-06-03
PL340686A1 (en) 2001-02-26

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