EP2256246B1 - Ensemble de machines pour la fabrication d'une couche de revêtement routier - Google Patents

Ensemble de machines pour la fabrication d'une couche de revêtement routier Download PDF

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Publication number
EP2256246B1
EP2256246B1 EP09006845.3A EP09006845A EP2256246B1 EP 2256246 B1 EP2256246 B1 EP 2256246B1 EP 09006845 A EP09006845 A EP 09006845A EP 2256246 B1 EP2256246 B1 EP 2256246B1
Authority
EP
European Patent Office
Prior art keywords
pave
sensor
feed conveyor
train according
discharge end
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
EP09006845.3A
Other languages
German (de)
English (en)
Other versions
EP2256246A1 (fr
Inventor
Martin Dipl.-Ing. Buschmann
Steffen Fickeisen
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
Application filed by Joseph Voegele AG filed Critical Joseph Voegele AG
Priority to EP09006845.3A priority Critical patent/EP2256246B1/fr
Priority to PL09006845T priority patent/PL2256246T3/pl
Priority to US12/723,766 priority patent/US8337118B2/en
Priority to CN201010141922.6A priority patent/CN101892623B/zh
Publication of EP2256246A1 publication Critical patent/EP2256246A1/fr
Application granted granted Critical
Publication of EP2256246B1 publication Critical patent/EP2256246B1/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
    • 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 road paver with mobile supply unit explained in the preamble of claim 1 Art.
  • Such a paver is from the DE 297 15 467 U1 known.
  • the well-known paver is part of a paving train, the supply of all road pavers of the paving train via a feeder takes place, which is driven independently and leads the road pavers.
  • the feeder is provided with a feed conveyor in the form of a conveyor belt that extends beyond the bunker for the paving material of the trailing paver and fills the bunker of this paver with paving material.
  • the feeder is equipped with a swiveling belt that allows the feeder to move not only directly in front of but also laterally offset from the paver.
  • a number of sensors are provided on the feeder, on the paver and on the infeed conveyor to control the positioning and spacing of the feeder to the paver, using the signals detected by the sensors to control the components of the paver.
  • a sensor pair is arranged for example on the front in the direction of travel of the paver and the rear in the direction of travel of the feeder, in which case the distances between the two units are determined.
  • Another sensor pair is provided at the discharge end of the feeder conveyor and in the bunker of the paver, in which case the filling state of the bunker is to be determined.
  • this handover may cause problems if the operator misses the paver's bin and the paving material falls beside / in front of or on top of the paver. This can lead to considerable disruption of the installation process.
  • the invention has for its object to provide a paver and a mobile supply unit, in which the transfer process is largely automated and feasible in all installation situations.
  • the relative position between the supply unit and the paver both in and transverse to the direction of travel determine, even if the supply unit is offset transversely to the direction of travel to the paver. It is possible in this way to set the bulk material of the paving material independent of the relative position, in particular an orientation transverse to the direction of travel, supply unit and paver at a precise position defined in the bunker of the paver.
  • the position of the discharge end in the z direction i. can be determined in the vertical distance above the cone. In this way, it is possible to keep the distance between the discharge end and the pour cone at each size of the bulk cone substantially constant, so that the entire conveyed material has the same fall path through the open air and thus cools evenly. If the distance is then kept sufficiently small, the cooling of the paving material can be reduced during the transfer. In addition, the segregation of the material during transfer is minimized.
  • Fig. 1 shows in plan view and a highly schematic representation of a paver 1, of which only the bunker 2 for receiving property (road construction material) is shown here.
  • the paver 1 has the usual construction, ie it is provided with the front in the direction of travel F bucket, reservoir or bunker 2, which supplies the installation unit via suitable funding, such as scraper belts.
  • the road paver 1 has a chassis 3 (shown is a crawler track) and a Drive on, with the paver 1 is independently movable.
  • the bunker 2 has a predetermined and known geometry (length, width, height, shape).
  • a supply unit 4 which may for example be a truck or, as shown, is a feeder, which is adapted to the specific purpose.
  • feeder and paver can be used as in the DE 297 15 467 U1 be educated.
  • the supply unit 4 also contains a storage bunker 5 with built-in material and a chassis 6 with its own drive, so that the supply unit 4 can be moved independently of the paver 1.
  • the transfer connection for the installation material between the supply unit 4 and the paver 1 via a feed conveyor 7, which may be formed, for example, as a conveyor belt, as in the above-mentioned DE 297 15 467 U1 is shown and assigned to the mobile supply unit.
  • the feed conveyor 7 is optionally pivotable about a horizontal and / or vertical axis.
  • a sensor device 8 For positioning the supply unit 4 and the road paver 1 relative to one another, a sensor device 8 is provided.
  • the sensor device 8 contains in the illustrated embodiment, a position sensor 9, which cooperates with two reference elements 10.
  • the position sensor 9 is provided at the discharge end 7a of the feed conveyor 7 and directed to reference elements 10a and 10b, which are arranged on the rear in the direction of travel F side of the bunker 2.
  • the reference elements 10 are formed as rods, or mounted there, which has a maximum bulk cone 11 (FIG. Fig.
  • the position sensor 9 protrude into the bunker 2 and thus can be detected by the position sensor 9 at the discharge end 7a, ie the position sensor 9 and at least parts of the reference elements 10 are in each angular position of the discharge end 7a in a horizontal plane.
  • the reference elements 10a, 10b are spaced from each other, to such an extent that they can be detected separately from the sensor 9. According to the invention, the reference elements 10a, 10b are spaced transversely to the direction of travel F, preferably at right angles thereto. A preferred distance is the width of the bunker 2 transverse to the direction of travel.
  • the sensor device 8 further includes a distance sensor 12, which detects the distance between the sensor 12 and the pour cone 11.
  • the sensor 12 is also for this purpose at or in the vicinity of the discharge end 7 a of the feed conveyor. 7 arranged and directed into the bunker 2. With this distance sensor 12, the z-coordinate in the spatial direction, with or without consideration of a parabola, thus determined so that with the embodiment of the invention an orientation of the assignment of supply unit 4 and paver 1, more precisely from the discharge end 7a to the bunker 2, in all three Spatial directions can be done.
  • the signals supplied by the sensors are supplied to the control device and either used to automatically control the supply unit 4 and / or the feed conveyor 7 in the x and y direction and / or displayed, so that a manual correction is possible given deviations.
  • the discharge end 7a of the charge conveyor 7 in the z-direction is also controlled, e.g. by pivoting the loading conveyor 7 about a horizontal axis, that the discharge end 7a always has substantially the same distance from the building up bulk cone 11 in the bunker 2.
  • the Fig. 3 and 4 show a further embodiment of the invention, wherein identical or comparable components are denoted by the same reference numerals and not explained again.
  • the embodiment according to the Fig. 3 and 4 differs from the embodiment according to the Fig. 1 and 2 by a modified sensor device 18.
  • the sensor device 18 in turn includes a position sensor 9, which is directed to reference elements 10, but the position sensor 9 on the rear in the direction of travel F side of the supply unit 4 itself (and therefore not vertically movable) is arranged and reference elements 10th is directed, which are attached to the front in the direction of travel F side of the paver 1, in particular on the bunker 2.
  • the distance and the formation of the reference elements 10a and 10b is the same as described with reference to the preceding embodiment.
  • the position sensor 9 also has the described design and mode of operation. Again, the position sensor 9 and the reference elements 10 are in a common, substantially horizontal plane.
  • the sensor device 18 includes an angle sensor 19 which detects the angular position ⁇ of the feed conveyor 7 about a horizontal axis relative to a reference plane and thus determines the distance of the discharge end 7a to the bulk cone 11 and the feed conveyor 7 raises proportionally with an increase in the bulk cone 11.
  • the angle sensor 19 With the aid of the angle ⁇ measured by the angle sensor 19 and the previously known and predetermined geometry (in particular of the bunker 2 and the loading conveyor 7), the discharge point can be determined in a simple manner. Because of the known geometry bunker 2, the distance between the discharge end 7a and the bunker 2 can be further determined.
  • the feed conveyor 7 is raised, so that the distance between the bulk cone 11 and discharge end 7a remains the same.
  • the discharge 7a lowers until a minimum distance between the bunker 2 and the discharge end 7a has been reached.
  • This minimum distance between the discharge end 7a and the Bunker Stahl example as in the first embodiment, using the overfill sensor 20.
  • an overfill sensor 20 is provided and preferably arranged at the discharge end 7a, which ensures that the bunker 2 is not crowded. Also in this embodiment can thus be made in a simple manner, a position determination of the discharge end 7a in the three spatial directions.
  • sensors preferably laser or ultrasonic sensors with reflectors are used as reference elements; However, a wide variety of measuring systems can be used.
  • a differential distance measurement of the discharge point at the discharge end 7a and the pick-up point on the bulk cone 11 as the difference between two absolute position determinations of discharge point and pickup point possible for example by a laser total station, GPS or the like .
  • Particularly advantageous is the structure of a simple differential GPS each with a GPS antenna on the drop and one at the pickup point.
  • the position determinations are compared with the desired positions in a processing unit, not shown, of the control device and forwarded to the actuators in suitable setting commands.
  • a number of actuators on the supply unit may be used to null the measurement bias, such as the drive speed (Delta in x-direction), the steering or differential speed of the suspension chains chain devices (offset + delta in y-direction), the mass flow of the conveyor, eg by the conveying speed (change the level in the bunker), the pivot drive of the conveyor (delta in y-direction, error in x-direction negligible) or the pitch drive of the conveyor system (delta in z-direction, error in x-direction negligible).
  • the drive speed Delta in x-direction
  • the steering or differential speed of the suspension chains chain devices offset + delta in y-direction
  • the mass flow of the conveyor eg by the conveying speed (change the level in the bunker)
  • the pivot drive of the conveyor delta in y-direction, error in x-direction negligible
  • the pitch drive of the conveyor system delta in z-direction, error in x-direction neglig
  • the invention may also be used for other purposes, such as maintaining the dump position when filling trenches, measuring and controlling fill levels when filling trenches, positioning the dump point at alternative dump positions, e.g. in paving trains with two types of asphalt and two hopper bunkers, to maximize the level in the bunker of the paver by defined distribution of the material in unmanned operation of the supply unit or the paver, with a teach-in function for the relative or absolute position of drop and / or pick-up point or in the defined transverse distribution of concrete in front of a slipform paver.

Claims (12)

  1. Train de machines de pose de revêtement comprenant un finisseur de route (1), une unité mobile d'alimentation (4), un système de capteur (8, 18) et un transporteur de chargement (7) présentant une extrémité d'éjection (7a), train de machines
    dans lequel le transporteur de chargement (7) est prévu entre le finisseur de route (1) et l'unité mobile d'alimentation (4), et
    dans lequel le finisseur de route et l'unité mobile d'alimentation (4) peuvent se déplacer indépendamment l'un de l'autre dans la direction de marche (F), et leur position relative réciproque peut être relevée par le système de capteur (8, 18),
    caractérisé en ce que le système de capteur (8, 18) renferme un capteur de position (9) auquel sont associés au moins deux éléments de référence (10) agencés à distance l'un de l'autre pour déterminer la position de l'extrémité d'éjection (7a) dans la direction de marche (F) et transversalement par rapport à celle-ci,
    les éléments de référence (10) étant espacés mutuellement transversalement à la direction de marche (F), et
    le capteur de position (9) et les éléments de référence (10) se situant sensiblement dans un plan horizontal commun.
  2. Train de machines de pose de revêtement selon la revendication 1, caractérisé en ce que les éléments de référence (10) comportent des réflecteurs pour réfléchir des signaux délivrés par le capteur de position (9).
  3. Train de machines de pose de revêtement selon l'une des revendications 1 ou 2, caractérisé en ce que le capteur de position (9) comprend un capteur laser.
  4. Train de machines de pose de revêtement selon l'une des revendications 1 à 3, caractérisé en ce que le capteur de position (9) est agencé sur l'extrémité d'éjection (7a) du transporteur de chargement (7).
  5. Train de machines de pose de revêtement selon l'une des revendications 1 à 3, caractérisé en ce que le capteur de position (9) est agencé sur l'unité d'alimentation (4) en-dehors de l'extrémité d'éjection (7a) .
  6. Train de machines de pose de revêtement selon l'une des revendications 1 à 5, caractérisé en ce que le système de capteur (8, 18) comprend un capteur de proximité (12, 20) pour déterminer la distance verticale de l'extrémité d'éjection (7a) à un cône de déversement (11) .
  7. Train de machines de pose de revêtement selon la revendication 6, caractérisé en ce que le capteur de proximité (12, 20) est agencé sur le transporteur de chargement (7).
  8. Train de machines de pose de revêtement selon la revendication 6 ou la revendication 7, caractérisé en ce que le capteur de proximité (12, 20) comprend un capteur laser ou un capteur à ultrasons.
  9. Train de machines de pose de revêtement selon l'une des revendications 1 à 8, caractérisé en ce que le transporteur de chargement (7) peut pivoter autour d'un axe sensiblement horizontal, et un capteur d'angle (19) est associé au transporteur de chargement (7).
  10. Train de machines de pose de revêtement selon l'une des revendications 1 à 9, caractérisé en ce que le transporteur de chargement (7) peut pivoter autour d'un axe sensiblement vertical, et un capteur d'angle (19) est associé au transporteur de chargement (7).
  11. Train de machines de pose de revêtement selon l'une des revendications 1 à 8, caractérisé en ce que le transporteur de chargement (7) peut pivoter autour d'axes sensiblement d'orientation horizontale et verticale, et un capteur d'angle (19) est associé au transporteur de chargement (7).
  12. Train de machines de pose de revêtement selon l'une des revendications précédentes 6-8, caractérisé en ce qu'il est possible d'effectuer, à l'aide du système de capteur (8, 18), une mesure de distance d'espacement différentielle entre deux déterminations de position absolue du point d'éjection au niveau de l'extrémité d'éjection (7a) et du point d'impact sur le cône de déversement (11).
EP09006845.3A 2009-05-20 2009-05-20 Ensemble de machines pour la fabrication d'une couche de revêtement routier Active EP2256246B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09006845.3A EP2256246B1 (fr) 2009-05-20 2009-05-20 Ensemble de machines pour la fabrication d'une couche de revêtement routier
PL09006845T PL2256246T3 (pl) 2009-05-20 2009-05-20 Ciąg do tworzenia nawierzchni drogowej dla utworzenia nawierzchni drogowej
US12/723,766 US8337118B2 (en) 2009-05-20 2010-03-15 Road finisher
CN201010141922.6A CN101892623B (zh) 2009-05-20 2010-04-08 路面整修机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09006845.3A EP2256246B1 (fr) 2009-05-20 2009-05-20 Ensemble de machines pour la fabrication d'une couche de revêtement routier

Publications (2)

Publication Number Publication Date
EP2256246A1 EP2256246A1 (fr) 2010-12-01
EP2256246B1 true EP2256246B1 (fr) 2018-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09006845.3A Active EP2256246B1 (fr) 2009-05-20 2009-05-20 Ensemble de machines pour la fabrication d'une couche de revêtement routier

Country Status (4)

Country Link
US (1) US8337118B2 (fr)
EP (1) EP2256246B1 (fr)
CN (1) CN101892623B (fr)
PL (1) PL2256246T3 (fr)

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Also Published As

Publication number Publication date
CN101892623A (zh) 2010-11-24
CN101892623B (zh) 2013-01-16
US8337118B2 (en) 2012-12-25
PL2256246T3 (pl) 2018-11-30
US20100296867A1 (en) 2010-11-25
EP2256246A1 (fr) 2010-12-01

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