EP2011921B1 - Grande fraiseuse de route automobile - Google Patents

Grande fraiseuse de route automobile Download PDF

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Publication number
EP2011921B1
EP2011921B1 EP08157838.7A EP08157838A EP2011921B1 EP 2011921 B1 EP2011921 B1 EP 2011921B1 EP 08157838 A EP08157838 A EP 08157838A EP 2011921 B1 EP2011921 B1 EP 2011921B1
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EP
European Patent Office
Prior art keywords
machine
milling
accordance
recess
travel
Prior art date
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EP08157838.7A
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German (de)
English (en)
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EP2011921A2 (fr
EP2011921A3 (fr
Inventor
Heinrich Kötting
Christian Berning
Martin Lenz
Günter HÄHN
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Wirtgen GmbH
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Wirtgen GmbH
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Publication of EP2011921A3 publication Critical patent/EP2011921A3/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
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • 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
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/30—Cabin details

Definitions

  • the invention relates to a self-propelled large milling machine according to the preamble of claim 1 or 7.
  • Such road milling machines are already known in principle. In small milling machines, where the milling drum is located at the rear axle of the landing gear and between the rear wheels, it is known to provide a recess on the neutral side of the machine in the lateral outer wall into which a rear jockey wheel or track drive can swing.
  • milling machines for example, are street milling machines with a milling width of more than 1200 mm. Such road milling machines have a high weight and are therefore usually carried by a chassis with crawler tracks.
  • the milling drum is mounted on the machine frame between the crawlers of the front axle and the rear axle, at a distance from them.
  • the document EP 1522633 A2 describes a road milling machine, wherein a recess is provided to see the marking line.
  • the invention advantageously provides that in a large milling machine in which the axis of the milling drum is preferably arranged between the front axle and the rear axle of the chassis and at a distance therefrom, a downwardly and upwardly open recess in the machine frame on the null side is provided in front of the platform of the driver's cab, which expands downwards and in the direction of travel forward.
  • the invention allows for road milling machines, in which the milling drum between the crawler tracks or wheels of the front and rear axles is arranged, improved maneuverability, especially when driving on the left, when the null side is on the right side of the machine with respect to the direction of travel.
  • the downward and forward in the direction of travel widening recess makes it possible not only to follow a narrow curve radius provided inward, but also to observe the steering angle of the front suspension axle directly independent of the direction of travel.
  • the recess extending forwards and downwards in the direction of travel has the advantage that the construction volume of the machine in front of the driver's cab is reduced as little as possible. This is important because in the front structure usually a water tank is housed, so that the tank volume is reduced by the recess as low as possible. Thus, for example, the obliquely downward, forward limiting wall portion of the recess is oriented so that the angle of the seated or stationary driver can still observe the steering position of the front crawler or wheel.
  • the wall section delimiting the recess consequently follows the line of sight of the vehicle driver. In this way it is achieved that on the one hand for the driver improved visibility are created, which lead to a better maneuverability of the road milling machine and on the other hand, the tank volume is unnecessarily reduced.
  • the seat of the driver is aligned over the direction of travel between the axes and at a distance from these arranged Fräswalze to the outer side wall that the seat of the driver partially laterally over at least the front part of the protrudes lateral outer wall.
  • the arrangement of the seat for the driver in such an external position improves the view of the area in front of the milling drum and on the support wheel or chain drive of the front suspension axle on the neutral side. Due to the design of the recess, a marking line, which extends inwards starting from the neutral side, can be traced very far, so that the road milling machine can be steered very precisely along this marking line. The maneuverability is additionally facilitated by the fact that the steering position of the front suspension axle can be observed simultaneously.
  • the driver's seat can run with its running in the direction of travel vertical center plane in the plane of the lateral outer wall or with a small lateral distance substantially parallel thereto.
  • the recess has in horizontal cross-section on a substantially parallel to the direction of travel inner wall portion.
  • the inner wall portion may alternatively also run obliquely to the direction of travel, starting from the leading edge obliquely up to the point of the roller box, which lies in the vertical plane of the end face of the milling drum on the zero side or to the rear outer wall.
  • the recess Adjacent to this inner wall portion, the recess may have at least one obliquely downward to the horizontal plane extending from the driver's seat in the direction of travel wall portion which opens to the zero side in the plane of the lateral outer wall.
  • the adjacent wall portion may also extend obliquely forward with respect to a vertical plane extending in the direction of travel.
  • a steering console with a steering wheel can be mounted laterally on the machine frame in front of the driver's seat.
  • the driver's seat can be height-adjustable and / or can be moved transversely to the direction of travel in the driver's cab.
  • the rear suspension axle may be formed in an alternative embodiment of only a single support wheel or a single track drive.
  • the driver's station is preferably arranged at a distance from the chassis axles above the axis of the milling drum.
  • the outer wall is provided on the outer side facing away from the neutral side with a recess corresponding to the zero side substantially mirror-symmetrically relative to the longitudinal center axis of the road milling machine corresponding recess.
  • the outer wall is provided on the side facing away from the null side with a recess corresponding to the recess on the zero side, which is open to the outside and downwards and upwards.
  • a mirror is arranged, which is an observation of a marking for the vertical plane of the zero-sided end face of the milling drum, e.g. on the front of the drum box, even in the sitting position of the driver on the driver's seat permits.
  • a mark e.g. one or two vertical lines are displayed indicating the position of the zero-sided end face of the milling drum.
  • the manually or motor-adjustable mirror allows the driver sitting in his seat on the control station can observe this mark and / or the area of the ground or traffic area in front of the drum box.
  • the recess is designed so that the front zero-sided suspension can still be seen while sitting.
  • the mirror is adjustable so that the vehicle operator in the sitting position can observe both the front edge of the roller box and the marking lines on the road surface.
  • the chassis facing the neutral side is directly visible even when sitting.
  • the mirror which is preferably arranged on the front wall section of the recess, intersects the vertical plane of the zero-side end side of the milling drum, and markings, preferably marking lines, has, which can be adjusted via a direction finding device with a predetermined marking line on the ground or traffic surface.
  • the direction finding device consists of preferably parallel to the ground or traffic surface extending linear devices, in particular ropes or rods which extend in the vertical plane of the zero-side end face of the milling drum preferably between the outer wall sections or include this vertical plane between them.
  • the preferably arranged in the region of the recess mirror intersects the vertical plane of the zero-side end face of the milling drum, and has markings, preferably marking lines, which can be adjusted via a direction finding with a predetermined marking line on the ground or traffic surface (8).
  • the driver can check whether the current steering position of the road milling machine follows the predetermined marking line on the ground. He must bring the markings in the mirror on the direction finder in line with the marking line on the ground in accordance and can then detect whether the road milling machine is on the predetermined milling track.
  • a further development of the road milling machine provides that a projection device projecting onto the ground or traffic surface a light marking to be brought into conformity with the predetermined marking line on the ground or traffic surface, which projects the currently set further course of the milling edge on the zero-side end side of the milling drum Indicates the direction of travel in front of the roller box as a function of the position of the machine frame. For this purpose, no direction finding is required, since the located on the ground or traffic surface marker and the light marker lie in a plane. The markings on the ground or traffic area can be directly compared with each other via the mirror when sitting or standing.
  • a preferred embodiment of the development is that the light mark indicates the further course of the milling edge in dependence on the current steering angle of the chassis.
  • a computer calculates the future course of the milling edge as a function of the steering angle of the rear and front running gear and displays it on the ground or traffic surface via the projection device.
  • a sensor device can detect the position of the light mark in relation to the predetermined marking line, wherein a control in dependence on the signals of the sensor device can control the steering of the trolleys automatically.
  • the projection device is preferably arranged on or below the driver's seat or the platform.
  • Fig. 1 shows a road milling machine 1, in particular a large milling machine with a machine frame 4 and a chassis with a steerable front axle 2, and with a likewise steerable rear axle 3.
  • the chassis is connected via lifting columns 32 with the machine frame 4, with the help of the distance of the machine frame 4 of a ground or traffic surface 8 is adjustable.
  • a conveyor belt 48 which is pivotable in the vertical and lateral direction, is arranged for the removal of the milled material.
  • the front axle 2 and the rear axle 3 of the chassis can each consist of two crawler tracks 30 and / or two wheels.
  • the machine frame 4 has substantially vertically and parallel to the longitudinal center axis of the road construction machine 1 extending lateral outer walls 5a, 5b. It is understood that the outer walls do not have to run strictly vertically and absolutely parallel to the longitudinal center axis of the road milling machine 1, but that slight deviations are possible.
  • the outer wall is preferably made in one piece, wherein the outer wall sections 5a, 5b preferably lie in one plane.
  • a milling drum 6 with a mounted on the machine frame 4 Fräswalzenachse 7 for milling the ground or traffic surface 8 is arranged.
  • the milling drum 6 extends with its one end face to the outer side of the machine frame 4 designated as zero side 12, while a drive device for the milling drum 6 is arranged on the opposite outer wall of the machine frame 4.
  • a height-adjustable side plate 40 is arranged, which serves as edge protection.
  • the milling drum 6 is preferably arranged centrally between the front axle 2 and the rear axle 3.
  • the driver's station 10 is located with a arranged on the neutral side 12 seat 14 for the driver.
  • the seat 14 is preferably oriented in such a way to the lateral outer wall 5a, 5b, that the seat 14 at least partially laterally relative to the outer wall 5a, 5b survives; this is especially true relative to the front outer wall 5a in the event that it should not extend in a plane with the rear outer wall 5b.
  • the seat 14 is height adjustable and also displaceable transversely to the direction of travel.
  • the seat 14 may extend parallel to its vertical center plane extending in the direction of travel in the plane of the lateral outer wall 5a, 5b or with a small lateral spacing.
  • the seat 14 can be moved with the armrest 42 and the control panel 44 inward to allow the most flush as possible past the obstacle.
  • a switchboard 34 and a device 36 for setting the machining parameters is provided in the direction of the machine center.
  • a steering bracket 24 is rotatably mounted laterally on the machine frame 4 about a horizontal axis, so that the position of a steering wheel 26 can be adjusted.
  • the driver's station 10 has a platform 15 as a footprint for the driver, which is chamfered to the zero side and back to the view of the roller box 41 in front of the milling drum 6, in particular on the front side 41 a of the milling drum 6 surrounding roller box 41 at the Null page to improve.
  • the roller box 41 may have a mark on the front side 41a, e.g. have one or two vertical lines, which indicates to the driver the position of the front edge of the milling drum 6 on the zero side.
  • the engagement area of the milling drum 6 is indicated by the hatched area at a certain milling depth by way of example.
  • the machine frame 5 has at the level of the front outer wall 5a, as best of Fig. 1 can be seen, a recess 16 which is limited to the interior of the road milling machine and forward by wall sections 18 and 20.
  • Fig. 1 is the angle drawn, the driver has from his driver's stand 10.
  • the wall portion 20 extends at an angle in the direction of travel forward and opens into the outer wall 5a.
  • the recess 16 allows the observation of the front right track drive and thus the observations of the current steering angle.
  • the angle of inclination of the wall section 20 measured from above to a vertical plane extending transversely to the direction of travel can be, for example, between 20 ° and 50 °, preferably 30 ° to 40 °.
  • the inner wall portion 18 extends substantially parallel to the longitudinal center line of the road milling machine.
  • the wall portion 18 is preferably vertical, may be seen towards the ground or traffic area 8, but may also be e.g. up to 20 ° away from the vertical inwards.
  • the wall portion 20 adjoining the wall portion 18 may be inclined with respect to the outer wall 5a, e.g. at an angle of 120 ° ⁇ 70 °, preferably 120 ° ⁇ 10 °, forward.
  • the recess 16 is further bounded to the rear by a wall portion 19 which extends substantially vertically from the platform 15 of the operator's cab 10 down to the roller box 41.
  • the wall section 19 can also be omitted if the wall section 18 does not run parallel to the direction of travel from its front edge but obliquely in the direction of the marking on the front edge 41a of the roller box 41. According to a further alternative, the wall section 18 in the region of the roller box 41 can also open into the rear outer wall 5b.
  • the lines 17a, 17b, 17c represent marks on the ground or traffic surface 8, which reflect the desired route.
  • the mark 17a indicates a straight ahead driving and the marking lines 17b and 17c different curve radii in a steering of the road milling machine 1 to the left or, inwards.
  • the crawler 30 when cornering along the marking lines 17b or 17c is pivoted so that it does not obscure the marking lines 17b and 17c.
  • the recess 16 also allows the observation of the steering angle of the front crawler 30, so that the road milling machine can be steered exactly according to the given road, wherein the driver leads, for example, the marking on the front side 41a of the roller box 41 along the marking lines 17a, 17b or 17c ,
  • the special configuration of the recess 16 not only allows an improved possibility to track the marking lines 17b or 17c while simultaneously observing the steering angle of the front axle, but at the same time ensures that the volume of the tank 50 located above the front axle is not unnecessarily reduced.
  • the recess 16 can also be arranged in a corresponding manner on the side of the machine facing away from the neutral side 12, in addition to the recess 16 provided on the zero side 12.
  • the design of this additional recess 16 can be mirror-symmetrical to the recess 16 on the null side be, with respect to a longitudinal center axis 52 of the road milling machine. 1
  • Fig. 3 shows an embodiment of a road milling machine 1, which may be provided with a mirror 54, a direction finder 58 and / or a projection device 62.
  • the mirror 54 which may be arranged for example on a substantially vertical surface 64 in the region of the recess 16, is manually or motor-adjustable and may also consist of a curved mirror.
  • the arrangement of the mirror is such that it projects beyond the plane of the end face of the milling drum 6 toward the null side.
  • Fig. 3 is schematically illustrated the eye of the driver when he sits on the vehicle seat 14.
  • the driver's angle of view then covers a wide range in the direction of travel in front of the roller box 41 via the mirror 54, wherein the vehicle driver can observe in particular the marking on the front side 41a of the roller box 41 or on another machine element which is the vertical plane of the front side of the milling drum 6 displays.
  • the driver can also observe the current marking lines 17a, 17b or 17c on the ground and traffic surface 8 via the mirror 54, which can also be curved.
  • the mirror 54 may have markings 56, eg a line running in the plane of the face of the milling drum 6, or two parallel spaced lines parallel to each other and sandwiching the vertical plane of the face of the milling drum 6, which the driver must align with a direction finder 58 and with one of the marking lines 17a, 17b or 17c on the ground and traffic surface 8 for bearing.
  • markings 56 eg a line running in the plane of the face of the milling drum 6, or two parallel spaced lines parallel to each other and sandwiching the vertical plane of the face of the milling drum 6, which the driver must align with a direction finder 58 and with one of the marking lines 17a, 17b or 17c on the ground and traffic surface 8 for bearing.
  • the direction finding device 58 can consist, for example, of two cables tensioned between the outer wall sections 5a, 5b, which run parallel to one another and receive the vertical plane of the end face of the milling drum 6 between them.
  • the direction finding device 58 can also consist of only one single cable, which extends in the plane of the end face of the milling drum 6.
  • the mirror 54 in combination with the direction finder 58, consequently permits maneuvering of the road milling machine 1 from a seating position.
  • a projection device 62 can also be provided, which emits a focused on the ground or traffic surface 8 light beam, in the form of a dot row or a line, the course of the zero-side milling edge preferably in dependence indicates the current setting of the steering.
  • the projection device 62 thus operates in the manner of a laser pointer, which generates a dot row or a line.
  • the light beam may be a laser light beam.
  • a computer 60 calculates the course of the milling edge in the direction of travel in front of the roller box 41 and controls the laser projection device 62 accordingly. The calculation takes place as a function of the steering angle of the front and / or rear suspension axle. It is understood that the trolleys can also be directed in opposite directions to follow a certain predetermined curve, as it is predetermined by the marking lines 17a, 17b or 17c on the ground or traffic surface 8. The driver can determine whether the current steering angle follows the desired curve by comparing the projected laser light line and the applied marking lines 17a, 17b or 17c.
  • this light projection device A development of this light projection device is that a sensor device detects the difference between the projected line and the predetermined marking line 17a, 17b or 17c, wherein with the aid of a controller 66, the steering of the road milling machine 1 is automatically controlled.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Road Repair (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)

Claims (15)

  1. Gros engin de fraisage automoteur (1), destiné à fraiser une surface de sol ou de circulation (8), ledit engin comportant
    - un dispositif de roulement constitué de chenilles (30) ou de roues et comportant un essieu avant (2) et un essieu arrière (3),
    - un châssis (4) porté par le dispositif de roulement et comportant des parois extérieures latérales (5a, 5b) et un axe central longitudinal (52),
    - un rouleau de fraisage (6) monté sur le châssis (4) entre les chenilles (30) ou les roues de l'essieu avant (2) et l'essieu arrière (3) à distance de ceux-ci, le rouleau de fraisage (6) arrivant avec un côté frontal jusqu'à un côté extérieur du châssis (4), désigné par côté zéro (12), pour le fraisage proche des bords, et
    - un poste de conducteur (10) comportant une plate-forme (15) pour le conducteur de l'engin,
    caractérisé en ce que
    la partie du châssis (4), qui se trouve sur le côté zéro (12), en avant de la plate-forme (15) pour le conducteur de l'engin, dans la direction de roulement, est en retrait vers l'intérieur de sorte qu'un dégagement (16), qui est ouvert en direction du côté extérieur ainsi que vers le bas et vers le haut et qui s'étend dans une direction verticale, est formé dans le châssis (4), lequel dégagement s'évase vers le bas et vers l'avant dans la direction de roulement, et en ce que
    le dégagement (16) s'évase vers le bas dans la direction de roulement de telle sorte que le braquage d'une chenille ou roue avant soit visible par le conducteur de l'engin depuis la plate-forme.
  2. Engin de fraisage de routes selon la revendication 1, caractérisé en ce que le poste de conducteur (10) comporte un siège (14) pour le conducteur de l'engin, et en ce que le siège (14) du conducteur de l'engin, au-dessus du rouleau de fraisage (6) disposé entre les essieux (2, 3) et à distance de ceux-ci dans la direction de roulement, est ajusté sur la paroi extérieure latérale (5a, 5b) de sorte que le siège (14) du conducteur de l'engin fait saillie en partie latéralement au-dessus d'au moins la partie avant (5a) de la paroi extérieure latérale (5a, 5b).
  3. Engin de fraisage de routes selon la revendication 2, caractérisé en ce que le siège (14) du conducteur de l'engin se développe avec le plan médian vertical du siège (14), s'étendant dans la direction de roulement, situé dans le plan de la paroi extérieure latérale (5a, 5b) ou parallèlement à celui-ci à une faible distance latérale.
  4. Engin de fraisage de routes selon la revendication 1 à 3, caractérisé en ce que le dégagement (16) comporte au moins une portion de paroi adjacente (20) qui s'étend obliquement depuis le poste de conducteur (10) vers le bas dans la direction de roulement et qui débouche en direction du côté zéro dans le plan de la paroi extérieure latérale (5a), et en ce que
    la portion de paroi adjacente (20) s'étend également obliquement vers l'avant par rapport à un plan vertical s'étendant dans la direction de roulement.
  5. Engin de fraisage de routes selon l'une des revendications 1 à 4, caractérisé en ce que le poste de conducteur (10) est disposé à distance des essieux (2, 3) du dispositif de roulement au-dessus de l'axe (7) du rouleau de fraisage (6).
  6. Engin de fraisage de routes selon l'une des revendications 1 à 5, caractérisé en ce que la paroi extérieure (5a) est dotée du côté extérieur, opposé au côté zéro, d'un dégagement, correspondant au dégagement (16), qui est ouvert en direction du côté extérieur ainsi que vers le bas et vers le haut.
  7. Gros engin de fraisage automoteur (1), destiné à fraiser une surface de sol ou de circulation (8), ledit engin comportant
    - un dispositif de roulement constitué de chenilles (30) ou de roues et comportant un essieu avant (2) et un essieu arrière (3),
    - un châssis (4) porté par le dispositif de roulement et comportant des parois extérieures latérales (5a, 5b) et un axe central longitudinal (52),
    - un rouleau de fraisage (6) monté sur le châssis (4) entre les chenilles (30) ou les roues de l'essieu avant (2) et l'essieu arrière (3) à distance de ceux-ci, le rouleau de fraisage (6) arrivant avec un côté frontal jusqu'à un côté extérieur du châssis (4), désigné par côté zéro (12), pour le fraisage proche des bords, et
    - un poste de conducteur (10) comportant une plate-forme (15) pour le conducteur de l'engin,
    caractérisé en ce que
    la partie du châssis (4), qui se trouve sur le côté zéro (12), en avant de la plate-forme (15) pour le conducteur de l'engin dans la direction de roulement, est en retrait vers l'intérieur de sorte qu'un dégagement (16), qui est ouvert en direction du côté extérieur ainsi que vers le bas et vers le haut et qui s'étend dans une direction verticale, est formé dans le châssis (4), un miroir (54) étant disposé dans la région du dégagement (16), lequel miroir permet d'observer un repère pour le plan vertical du côté frontal du rouleau de fraisage (6) situé du côté zéro, et ce même lorsque le conducteur de l'engin est assis sur le siège de conducteur (14).
  8. Engin de fraisage de routes selon l'une des revendications 1 à 6, caractérisé en ce qu'un miroir (54) est disposé dans la région du dégagement (16), lequel miroir permet d'observer un repère pour le plan vertical du côté frontal, situé du côté zéro, du rouleau de fraisage (6), et ce même lorsque le conducteur de l'engin est assis sur le siège de conducteur (14).
  9. Engin de fraisage de routes selon la revendication 7 ou 8, caractérisé en ce que le miroir (54) est réglable de telle sorte que le conducteur de l'engin puisse observer, dans la position assise, aussi bien le bord avant (41a) qu'une ligne de repère prédéterminée (17) sur la surface de sol ou de circulation.
  10. Engin de fraisage de routes selon l'une des revendications 7 à 9, caractérisé en ce que le miroir (54), disposé avantageusement dans la région du dégagement (16), coupe le plan vertical du côté frontal, situé du côté zéro, du rouleau de fraisage (6) et comporte des repères, avantageusement des lignes de repérage, qui peuvent être alignés avec une ligne de repérage prédéterminée (17a, 17b, 17c) sur la surface de sol ou de circulation (8) à l'aide d'un dispositif de relèvement (58).
  11. Engin de fraisage de routes selon la revendication 10, caractérisé en ce que le dispositif de relèvement (58) est constitué de dispositifs linéaires, notamment de câbles ou de barres, qui s'étendent avantageusement parallèlement à la surface de sol ou de circulation (8) et qui s'étendent dans le plan vertical du côté frontal, situé du côté zéro, du rouleau de fraisage (6) avantageusement entre les portions de paroi extérieures (5a, 5b) ou incluent celles-ci entre eux.
  12. Engin de fraisage de routes selon l'une des revendications 1 à 11, caractérisé en ce qu'un dispositif de projection (62) projette sur la surface de sol ou de circulation (8) un repère lumineux, à faire coïncider avec une ligne de repérage prédéterminée (17) sur la surface de sol ou de circulation (8), qui indique de façon linéaire l'allure future préréglée du bord de fraisage du côté frontal, situé du côté zéro, du rouleau de fraisage (6) en avant de la caisse de rouleau (41) dans la direction de roulement.
  13. Engin de fraisage de routes selon l'une des revendications 1 à 11, caractérisé en ce qu'un dispositif de projection (62) projette sur la surface de sol ou de circulation (8) un repère lumineux, à faire coïncider avec une ligne de repérage prédéterminée (17a, 17b, 17c) sur la surface de sol ou de circulation (8), qui indique en fonction du braquage en cours du dispositif de roulement l'allure future préréglée du bord de fraisage du côté frontal, situé du côté zéro, du rouleau de fraisage (6) en avant de la caisse de rouleau (41) dans la direction de roulement.
  14. Engin de fraisage de routes selon la revendication 13, caractérisé en ce qu'un calculateur (60) calcule l'allure future du bord de fraisage en fonction de l'angle de direction des chenilles (30) ou roues avant et arrière et l'indique sur la surface de sol ou de circulation (8) à l'aide du dispositif de projection (62).
  15. Engin de fraisage de routes selon la revendication 13 ou 14, caractérisé en ce qu'un dispositif à capteur détecte la position du repère lumineux par rapport aux lignes de repérage prédéterminées (17a, 17b, 17c) et en ce qu'une commande (64) règle automatiquement la direction des dispositifs de roulement en fonction des signaux du dispositif à capteur.
EP08157838.7A 2007-07-05 2008-06-09 Grande fraiseuse de route automobile Active EP2011921B1 (fr)

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DE102007033808A DE102007033808A1 (de) 2007-07-05 2007-07-05 Selbstfahrende Straßenfräsmaschine, insbesondere Großfräse

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EP2011921A2 EP2011921A2 (fr) 2009-01-07
EP2011921A3 EP2011921A3 (fr) 2011-12-28
EP2011921B1 true EP2011921B1 (fr) 2013-10-09

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US (1) US7753620B2 (fr)
EP (1) EP2011921B1 (fr)
JP (1) JP4724839B2 (fr)
CN (2) CN201280680Y (fr)
AU (1) AU2008202485B2 (fr)
BR (1) BRPI0803593B1 (fr)
DE (1) DE102007033808A1 (fr)

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AU2008202485A1 (en) 2009-01-22
JP4724839B2 (ja) 2011-07-13
AU2008202485B2 (en) 2010-12-09
JP2009013777A (ja) 2009-01-22
BRPI0803593A2 (pt) 2009-05-05
CN201280680Y (zh) 2009-07-29
US7753620B2 (en) 2010-07-13
US20090010713A1 (en) 2009-01-08
DE102007033808A1 (de) 2009-01-08
CN101338545A (zh) 2009-01-07
BRPI0803593B1 (pt) 2018-04-17
EP2011921A2 (fr) 2009-01-07
CN101338545B (zh) 2011-08-10
EP2011921A3 (fr) 2011-12-28

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