EP3686345B1 - Finisseuse de route pourvue de déflecteur de matériau pivotant - Google Patents

Finisseuse de route pourvue de déflecteur de matériau pivotant Download PDF

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Publication number
EP3686345B1
EP3686345B1 EP20162388.1A EP20162388A EP3686345B1 EP 3686345 B1 EP3686345 B1 EP 3686345B1 EP 20162388 A EP20162388 A EP 20162388A EP 3686345 B1 EP3686345 B1 EP 3686345B1
Authority
EP
European Patent Office
Prior art keywords
chassis
road finisher
undercarriage
paving
relative
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
EP20162388.1A
Other languages
German (de)
English (en)
Other versions
EP3686345A1 (fr
Inventor
Thomas Schmidt
Martin Seibel
Philipp Stumpf
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 EP20162388.1A priority Critical patent/EP3686345B1/fr
Priority to PL20162388.1T priority patent/PL3686345T3/pl
Publication of EP3686345A1 publication Critical patent/EP3686345A1/fr
Application granted granted Critical
Publication of EP3686345B1 publication Critical patent/EP3686345B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—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
    • E01C19/4866—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 non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
    • E01C19/4873—Apparatus designed for railless operation
    • 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

Definitions

  • the present invention relates to road finishers with a chassis that can be raised relative to the chassis at least in a rear region of the road finisher.
  • Known road finishers include a bunker for receiving paving material at the front of the road finisher with respect to a paving direction of travel.
  • the material to be paved is conveyed from the material bunker to a rear area of the road finisher via a suitable longitudinal conveying device.
  • the paving material is distributed transversely to the paving direction by means of a auger and thus evenly presented to a paving screed pulled behind by the road finisher for compacting the paving material.
  • the paver can be adapted to pave different layer thicknesses.
  • the auger can be raised in relation to the chassis in order to pave thicker layers.
  • a road finisher whose rear area can be raised to pave thick layers. This is achieved by a vertical guide, which can be adjusted in height by means of hydraulic adjusting cylinders, between a caterpillar undercarriage and a chassis of the road finisher in the rear area of the road finisher. In a front area, the chassis is rotatably mounted on the crawler chassis.
  • a disadvantage of this system are the high Loads on the hydraulic jacks, which essentially completely support the weight of the chassis. Correspondingly high forces are required to adjust the height. In addition, the stability of the paver suffers.
  • More road finishers with a chassis that can be raised at least in a rear area are from DE 299 07 733 U1 , the
  • Raising the chassis increases the distance between the chassis and the ground, creating a space where paving material can enter. This can increase the time it takes for the paving material that has gotten under the chassis to cool down before it is compacted by the screed. In addition, demixing can occur. Both can lead to a deterioration in the quality of the laid asphalt pavement.
  • the road finisher according to the invention includes a running gear with two traction tracks and a chassis. It also includes a material bunker attached to the chassis at the front of the road finisher with respect to a paving travel direction for receiving paving material and a paving screed at the rear of the road paver with respect to the paving travel direction for compacting paving material, which is attached to the chassis by drawbars. In addition, it includes a lifting device which is designed to raise the chassis relative to the running gear at least in a rear area of the road finisher.
  • the road finisher according to the invention is characterized in that a material deflector that can be moved, in particular pivoted, relative to the chassis is arranged between the two traction tracks.
  • a displaceable material deflector is also conceivable.
  • Such can be designed as a sliding plate.
  • a sliding plate can e.g. B. be slidably received in a recess on or in the chassis and pushed out of it to extend the material deflector.
  • pivoting material deflectors on the one hand and extendable material deflectors on the other hand can have different advantages and technical effects.
  • the terms “folded out/in” and “folded out/in” as well as “move out/in” and “fold out/in” are used synonymously, although the variants are not obvious equivalents.
  • Traction tracks can be considered to be areas that essentially extend in the direction of travel and in which traction elements of the road finisher's chassis are in engagement with the subsoil in order to ensure the propulsion and directional stability of the road finisher.
  • the undercarriage can be designed as a tracked undercarriage or wheeled undercarriage and can carry the chassis. By arranging the material deflector between the traction tracks, paving material can be prevented from penetrating into the space between the traction tracks or between the chassis and the ground.
  • the movable design of the material deflector can on the one hand ensure that its arrangement can be adapted to different lifting heights of the chassis.
  • the material deflector when not in use, for example when the chassis is completely lowered, can be carried along in a folded position on the road finisher. This means that both disassembly after lowering and assembly during or before raising can become superfluous.
  • an actuator unit is provided which is configured to move, in particular pivot, the material deflector relative to the chassis.
  • a sensor unit is configured to detect a distance between the chassis and a base and/or a lifting path between the chassis and the running gear and/or the distance between a lower edge of the material deflector and the base. This enables the lifting process and/or the pivoting process of the material deflector to be monitored, controlled or regulated.
  • the actuator unit is configured to move, in particular pivot, the material deflector based on signals generated by the sensor unit.
  • the (pivoting) position of the material deflector can be adapted to one or more of the above parameters that can be detected by the sensor unit. It is conceivable, for example, that the distance between the lower edge of the material deflector and the ground is continuously recorded and can be kept constant by controlling the (pivoting) position of the material deflector even when the chassis is raised.
  • the actuator unit can comprise an electric, hydraulic, electro-hydraulic or pneumatic actuator.
  • the sensor unit can have a laser sensor, a radar sensor or an ultrasonic sensor.
  • the lifting device comprises a rocker which is mounted on a bearing surface on the running gear side so as to be rotatable about an axis of rotation of the running gear and is mounted on a bearing surface on the chassis side such that it can rotate about a chassis axis of rotation.
  • the bearing surface on the chassis side can be a bearing surface that is part of the chassis or is at least firmly connected to the chassis.
  • the chassis-side bearing surface can be a bearing surface that is part of the chassis or is at least firmly connected to the chassis.
  • the axis of rotation of the running gear and the axis of rotation of the chassis are preferably parallel to one another and in particular each run in a horizontal plane and perpendicular to the paving travel direction, ie in a transverse direction of the road finisher.
  • the landing gear axis of rotation and the chassis axis of rotation are not identical.
  • the chassis axis of rotation and the axis of rotation of the chassis are preferably offset parallel to one another.
  • the lifting device also includes an adjustment element variable in length, which connects a chassis-side pivot point to a rocker-side pivot point and is configured to change a distance between the chassis-side pivot point and the rocker-side pivot point by changing its length and thus the chassis opposite to raise or lower the chassis.
  • the chassis-side pivot point can be a pivot point that is part of the chassis or is at least firmly connected to the chassis.
  • the articulation point on the seesaw side can be an articulation point that is part of the seesaw or is at least firmly connected to the seesaw.
  • the adjustment element variable in length can be connected in an articulated manner to the pivot point on the chassis side and the pivot point on the rocker side.
  • a first end of the adjustment element variable in length is preferably connected in an articulated manner to the pivot point on the chassis side and a second end of the adjustment element variable in length is connected in an articulated manner to the pivot point on the rocker side.
  • the length-variable adjustment element it is also conceivable for the length-variable adjustment element to extend beyond the respective pivot point on one side or on both sides.
  • the road finisher may include a linkage mechanism configured to pivot the material deflector relative to the chassis when the lifting device raises the chassis relative to the running gear.
  • a linkage mechanism configured to pivot the material deflector relative to the chassis when the lifting device raises the chassis relative to the running gear.
  • the coupling mechanism can have a deflection lever which is rotatably attached to the chassis.
  • the coupling mechanism comprises a regulation or control unit which is connected to the sensor unit and the actuator unit, with the regulation or control unit actuating the actuator unit as a function of signals received from the sensor unit.
  • chassis protection which is arranged behind one of the traction tracks in the installation travel direction. This can prevent paving gets to the traction elements of the road finisher and can negatively influence their traction properties there, for example.
  • disadvantages such as those already described above with reference to paving material getting under the chassis can be avoided.
  • chassis protection is covered by the latter towards a rear side of the road finisher when the chassis is in a maximum lowered position relative to the chassis and can be uncovered by lifting the chassis.
  • Such a configuration can have the advantage that no additional mechanism is required to bring the landing gear protection into a desired position. Rather, the undercarriage protection can be provided at a suitable position and only be used when the chassis is raised.
  • the actuator unit and/or the coupling mechanism can have an elastic element.
  • an elastic element can prevent damage to the actuator unit or the coupling mechanism, for example if the material deflector hits objects or is blocked by objects when moving and/or pivoting or when driving the road finisher.
  • the elastic element can be prestressed.
  • a deflection can be understood to mean a change in length or, in general, a change in dimensions, a torsion or a reversible deformation.
  • the distance between two axles or between an axle and a bearing surface can be defined as the minimum distance in each case.
  • a distance between the chassis axis of rotation and the running gear axis of rotation can be greater than a distance between the chassis axis of rotation and the chassis-side bearing surface. This can mean that the axis of rotation of the chassis lies outside the bearing of the rocker on the chassis. This allows for improved power transmission when lifting or holding the chassis.
  • the lifting device can be made so compact.
  • variable-length adjustment element is configured to change the position of the rocker relative to the running gear or the chassis by changing its length.
  • clearly defined operating states can be provided by the position of the rocker, which can be set, for example, as discrete settings, especially when the lifting device allows a stepless adjustment of the height of the chassis in relation to the running gear.
  • the ratio of the amount of the component of the connection vector between the rocker-side articulation point and the axis of rotation of the running gear, which is perpendicular to the direction of longitudinal extension of the length-adjustable adjustment element, is to the amount of the component of the connection vector extending in a horizontal direction between the axis of rotation of the running gear and the chassis -Axis of rotation greater than 0.5, 0.7, 1, 1.3, 1.5 or 2. Due to a leverage effect, a particularly good power transmission when lifting or holding the chassis is achieved by the variable-length adjustment element.
  • the ratio described can be above one of the specified limit values over the entire adjustment range of the chassis height. However, it can also be sufficient if this is the case when the chassis is in a maximally lowered or maximally raised state or in at least one intermediate raised state of the chassis.
  • the adjustment element variable in length preferably extends at least essentially along a horizontal direction.
  • the weight of the chassis acting at least essentially in a vertical direction is at least partially absorbed by the rocker or the chassis-side and the chassis-side bearing surface and does not have to be borne entirely by the length-variable adjustment element. This contributes to the stability of the entire arrangement.
  • the fact that the length-variable adjustment element extends at least essentially along a horizontal direction can mean that a horizontal component of the extension direction of the length-variable adjustment element is greater than a vertical component of the extension direction of the length-variable adjustment element, and/or that an inclination angle between the length-variable adjustment element and a horizontal plane does not exceed 10°, 15°, 25° or 45°.
  • the chassis-side articulation point is preferably located in front of or behind the chassis axis of rotation and/or the running gear axis of rotation, at least in some operating positions with respect to the installation travel direction. Good power transmission can thus be achieved due to a leverage effect.
  • a lower stop can be provided on the chassis, which is configured to secure the chassis against further lowering by engaging with the rocker when the chassis is in a maximum lowered state. In this way, the variable-length adjustment element is relieved when the chassis is in the maximum lowered state. In addition, the maximum lowered state of the chassis is firmly defined by the stop.
  • the lower stop also serves as a backup in the event of a malfunction of the lifting device.
  • An upper stop can be provided on the chassis, which is configured to secure the chassis against further lifting by engaging with the rocker when the chassis is in a maximum raised state. Such an upper stop serves as a safeguard against over-rotation of the lifting device.
  • the adjustment element variable in length can be a hydraulic cylinder.
  • a hydraulic cylinder can be easily integrated into a hydraulic system that is usually provided anyway on a road finisher and allows large forces to be transmitted.
  • the adjustment element variable in length could also be a spindle drive. A purely mechanical solution could thus be achieved.
  • the road finisher can further comprise an actuator for changing the length of the variable-length adjustment element.
  • an actuator can be, for example, a hydraulic pump for actuating a hydraulic cylinder or a motor for actuating a spindle drive.
  • a control element for controlling the actuator for selectively raising or lowering the chassis relative to the running gear can be provided. The control element can allow a vehicle driver to adjust the height of the chassis by means of actuating elements.
  • a locking element is preferably provided, which is configured to mechanically lock the rocker in a defined relative position in relation to the chassis.
  • the chassis can be held mechanically at a defined height, thereby relieving the variable-length adjustment element.
  • the locking element can be designed to lock the rocker exclusively in a predetermined relative position in relation to the chassis, in particular in a position corresponding to a transport height of the chassis.
  • the locking element can be a locking bolt provided on the chassis, which can be extended for locking engagement with a locking structure, for example an opening or a recess, of the rocker.
  • the locking element can be extended horizontally, in particular perpendicular to the direction of installation travel.
  • the chassis can be attached pivotably to the chassis in the front area of the road finisher, so that no stresses arise between the chassis and chassis when the chassis is raised asymmetrically along the paving direction of travel.
  • the chassis can be attached to the running gear in a front area of the road finisher so that it can be displaced longitudinally with respect to the paving travel direction.
  • the road finisher preferably includes an auger for distributing paving material in front of the screed transversely to the paving direction of travel.
  • the road finisher can also include a conveying device for conveying paving material from the material bunker to the auger.
  • the auger can be fixedly attached to the chassis in a fixed position relative to the chassis. Since the chassis as a whole can be raised in relation to the running gear, there is no need to adjust the height of the auger in relation to the chassis, thus achieving greater stability.
  • the mutual spatial relationship between the auger and a material outlet of the conveyor is not changed. The material outlet is not blocked when the chassis is raised to achieve greater installation thicknesses.
  • the road finisher 1 shows a schematic side view of a road finisher 1 according to the invention according to one embodiment.
  • the road finisher 1 includes a chassis 3 and a chassis 5, in this case a crawler chassis.
  • a material bunker 7 for receiving paving material is attached to the chassis 3 .
  • a towing arm 9 is held on the chassis 3 via a height-adjustable pivot point 11 .
  • the pivot point 11 can be adjusted in height by means of a pivot hydraulic cylinder 13 on the road finisher 1 .
  • the tension arms 9 are attached to the chassis 3 on both sides via height-adjustable rear hydraulic cylinders 15.
  • a screed 17 for compacting paving material is suspended from the rear end of the tension arms 9 with respect to the paving travel direction F. During installation, the screed 17 is pulled behind the road finisher 1 by the pulling arms 9 floating on the paved material.
  • a conveying device 19 for conveying paving material from the material bunker 7 to a rear area of the road finisher 1 is provided in the chassis 3 . In the rear area of the road finisher 1, the paving material leaves the conveying device 19 through a material outlet 21 and reaches an auger 23 fixed to the chassis 3 for distributing paving material in front of the screed 17 transversely to the paving direction F. The auger 23 and the material outlet 21 are in 1 hidden, but in 2 shown.
  • a control station 25 is provided, which space for offers an operator and includes operating units 27 for making inputs for controlling the road finisher 1 .
  • a lifting device 29 for lifting the chassis 3 relative to the running gear 5 in the rear area of the road finisher 1 is provided in a rear area of the chassis 3 with respect to the paving travel direction F.
  • the lifting device 29 comprises a rocker 31 and a variable-length adjustment element 33 on each of the two lateral sides of the road finisher 1.
  • the structure and functioning of the lifting device 29 are described below for only one side of the road finisher 1.
  • the opposite side can be designed analogously.
  • the rocker 31 is rotatably mounted about a chassis axis of rotation A on a bearing surface 35 on the chassis.
  • a crawler carrier 37 of the running gear 5 comprises a cylindrical recess 39, the inner wall of which forms the bearing surface 35 on the running gear side.
  • a cylindrical extension 41 of the rocker 31 extending along the axis of rotation A of the running gear is rotatably accommodated in the recess 39 .
  • a corresponding recess to be provided in the rocker 31 and for a cylindrical extension of the crawler carrier 37 to be rotatable about the axis of rotation A of the running gear is accommodated therein.
  • the chassis-side bearing surface 35 would be formed by the peripheral surface of the extension.
  • the rocker 31 is also mounted on a bearing surface 43 on the chassis side so that it can be rotated about a chassis axis of rotation B.
  • a cylindrical element 45 firmly attached to the chassis 3 is accommodated in a corresponding recess 47 of the rocker 31 so as to be rotatable about the axis of rotation B of the chassis.
  • the chassis-side bearing surface 43 is provided by an outer periphery of the cylindrical member 45 .
  • an extension of the rocker 31 to be accommodated in a corresponding recess of an element fixed to the chassis so that it can rotate about the chassis axis of rotation B. In this case, an inner peripheral surface of the recess would provide the chassis-side bearing surface 43 .
  • the axis of rotation of the running gear A and the axis of rotation of the chassis B are parallel to one another and run in a transverse direction perpendicular to the installation travel direction F.
  • a first end of the length-variable adjustment element 33 is rotatably connected about an axis of rotation E to a pivot point 49 on the chassis.
  • a second The end of the length-variable adjustment element 33 is rotatably connected about an axis of rotation G to a pivot point 51 on the seesaw.
  • the variable-length adjustment element 33 thus connects the chassis-side pivot point 49 with the rocker-side pivot point 51.
  • the axis of rotation E and the axis of rotation G are parallel to one another and to the axis of rotation of the running gear A and the axis of rotation of the chassis B and run in a transverse direction perpendicular to the installation travel direction F .
  • the adjustment element 33 variable in length is a hydraulic cylinder.
  • another adjusting element 33 variable in length such as a spindle drive, for example.
  • the length-variable adjustment element 33 can be actuated by means of an actuator 53 to change its length.
  • the actuator 53 can be controlled by means of a control element 55, which in the embodiment shown is a control element in the control station 25 of the road finisher 1, in order to change the length of the adjustment element 33 variable in length. In particular, this can be based on user input from a paver driver.
  • the length-variable adjusting element 33 extends at least essentially along a horizontal direction.
  • the pivot point 49 on the chassis side is located behind the axis of rotation B of the chassis and the axis of rotation A of the running gear with respect to the direction of installation travel F the running gear axis of rotation A is located.
  • FIG 4A the chassis 3 is shown in a position in which it is maximally lowered in relation to the chassis 5 . In the embodiment shown, this corresponds to a minimum length of the length-variable adjustment element 33. In the maximum lowered position of the chassis 3, the chassis 3 is secured against further lowering by an engagement of the rocker 31 with a lower stop 57 provided on the chassis 3. Will from the in Figure 4A If the length of the adjustment element 33 variable in length is increased by means of the actuator 53 as shown, the distance between the chassis-side pivot point 49 and the rocker-side pivot point 51 increases Figure 4A The view shown is rotated clockwise about the chassis axis of rotation A, which is centered in the plane of the drawing through the Extension 41 of the rocker 31 goes. As a result, the chassis 3 is raised due to the mounting of the rocker 31 rotatable about the chassis axis of rotation B on the chassis-side bearing surface 43 .
  • Figure 4B shows a maximum raised state of the chassis 3 in relation to the running gear 5.
  • the rocker 31 comes into engagement with an upper stop 59 provided on the chassis 3, which allows a further lengthening of the length of the adjustment element 33 variable in length and thus a further pivoting of the rocker 31 around the chassis axis of rotation A is prevented.
  • the chassis 3 from the Figure 4B shown position can be lowered out again.
  • the height of the chassis 3 can be steplessly adjusted between the minimum raised state and the maximum raised state by suitably adjusting the length-variable adjustment element 33 .
  • a locking element 61 designed as a locking bolt is provided for mechanically locking the rocker 31 in a defined relative position in relation to the chassis 3 .
  • the locking element 61 is provided on the chassis 3 and can be extended laterally in a horizontal plane perpendicular to the direction of installation travel F in order to engage with a locking structure 63 of the rocker 31 in an extended position.
  • the locking structure 63 of the rocker 31 is designed as a recess. A locking engagement of the locking element 61 with the locking structure 63 of the rocker 31 fixes the rocker 31 against changing its relative position in relation to the chassis 3 and the running gear 5 .
  • the chassis 3 can be mechanically secured in a defined height setting, for example in a transport position for transporting the road finisher 1 between construction sites.
  • a distance d between the chassis axis of rotation B and the chassis axis of rotation A is greater than a distance e between the chassis axis of rotation B and the chassis-side bearing surface 43.
  • the chassis axis of rotation A is therefore outside the bearing of the rocker 31 on the Chassis 3. This improves power transmission when lifting the chassis 3 is achieved.
  • the lifting device 29 can be made compact.
  • the amount f of the component of the connection vector between the rocker-side articulation point 51 and the running gear axis of rotation A which is perpendicular to the longitudinal extension direction of the length-variable adjusting element 33 is shown schematically constructed.
  • the amount x of the portion of the connection vector extending in a horizontal direction between the running gear axis of rotation A and the chassis axis of rotation B is shown schematically constructed.
  • the ratio of these amounts, as f/x, is preferably greater than 0.5, 0.7, 1, 1.3, 1.5 or 2 Raising or holding the chassis 3 achieved by the adjustable length adjustment element 33.
  • the chassis 3 can be swiveled in a front area of the road finisher 1 with respect to the paving direction F and is attached to the chassis 5 so that it can be displaced longitudinally with respect to the paving direction F. In this way, the chassis 3 can be raised or lowered in the rear area of the road finisher 1 relative to the running gear 5 without generating stresses in the front area of the road finisher 1 . It is possible to raise the chassis 3 asymmetrically in such a way that the chassis 3 is raised further in the rear area of the road finisher 1 than in the front area of the road finisher 1.
  • figure 5 shows a schematic side view of a detail of an attachment area 65 on the right-hand side of the road finisher 1 between the running gear 5 and the chassis 3.
  • the running gear 5 can be pivoted and is mounted on a bearing block 67 of the chassis 3 so that it can be displaced longitudinally with respect to the direction of installation travel F.
  • the chassis 5 can be mounted on the bearing block 67 by means of a pivot bearing 69 with an integrated plain bearing.
  • the view in Figure 6A shows a chassis 3 of a road finisher 1 according to an exemplary embodiment with a material deflector 71.
  • This can be provided on the chassis 3 so that it can move, for example pivot as in the exemplary embodiment shown.
  • the material deflector 71 has a lower edge 73 .
  • a coupling mechanism 75 is provided for moving, ie for pivoting in the present exemplary embodiment, the material deflector 71 .
  • this can be a mechanical coupling mechanism, in particular a purely mechanical coupling mechanism.
  • the coupling mechanism includes a deflection lever 77 which is rotatably mounted on the chassis 3 .
  • This can be connected to a rod 79, which in turn can be connected to the lifting device 29, in the present exemplary embodiment to the rocker 31.
  • the rod 79 can be adapted to a movement of the lifting device 29, in particular to transfer a rotation of the rocker 31 to the deflection lever 77 .
  • the deflection lever 77 can be set in rotation.
  • the rod 79 can have a thread through which the length of the rod 79 can be adjusted. This may allow adjustment of the linkage mechanism 75, e.g. B. to compensate for play and/or tolerances. A specific adjustment of the pivoting range of the material deflector 71 can also be made possible by such a thread.
  • the deflection lever 77 can be connected to an elastic element 81 .
  • the elastic element 81 in turn can be connected to the material deflector 71 in such a way that a movement or deflection, for example an expansion or compression, of the elastic element 81 causes the material deflector 71 to move, in particular pivot.
  • the components mentioned can interact in such a way that a movement of the lifting device 29 displaces the rod 79, as a result of which the deflection lever 77 can be rotated.
  • the rotation of the deflection lever 77 can in turn move the elastic element 81, as a result of which the material deflector 71 can be moved, in particular pivoted.
  • the elastic element 81 can be provided on a strut 82 . This can serve to prevent the elastic element 81 from buckling.
  • the strut 82 may be telescopic to allow the elastic member 81 to deflect. Similar to the rod 79, the strut 82 may be threaded by which the length of the strut 82 is adjustable. This may provide further adjustment of the linkage mechanism 75, e.g. B. to compensate for play and/or tolerances. A specific adjustment of the pivoting range of the material deflector 71 can also be made possible by such a thread.
  • the coupling mechanism 75 can also have a strut 82 without an elastic element 81 being provided thereon. Any designs that are not telescopic are then also conceivable. However, a thread can also be advantageous in variants without an elastic element 81 .
  • FIG. 6A shows the lifting device 29 in a position in which the chassis 3 is raised relative to the running gear 5. Due to the position of the rocker 31, the material deflector 71 was moved into an unfolded position by the interaction of the rod 79, the deflection lever 77 and the elastic element 81.
  • Figure 6B shows the lifting device 29 in a position in which the chassis 3 is arranged in a completely lowered position with respect to the running gear 5 . In this case, as also in the Figure 6B to recognize the material deflector 71 is arranged in a folded position.
  • the chassis 3 and the running gears 5 can be seen from behind. Traction tracks 83 are defined by the running gears 5 .
  • the material deflector 71 is arranged between the traction tracks 83 .
  • the chassis is raised relative to the chassis 5 and the material deflector 71 is folded out.
  • the lower edge 73 is arranged at a distance g from a base 85 .
  • the distance h is defined between the chassis 3 and the base 85 .
  • Figure 7B is the chassis 3 compared to the running gear 5 by a lifting distance i compared to the in Figure 7A shown position lowered.
  • the distance g between the lower edge 73 and the ground 85 is opposite Figure 7A stayed the same.
  • figure 8 12 is a schematic representation of the coupling mechanism 75 according to another embodiment.
  • the coupling mechanism 75 includes a control unit 87.
  • a control unit can also be provided.
  • the coupling mechanism 75 has a sensor unit 89 .
  • the exemplary embodiment illustrated can also have an actuator unit 91 . This can be connected to the control unit 87 in order to receive control signals. In cases where a control unit is provided, the actuator unit 91 can also be connected to it in order to receive control signals.
  • the actuator unit 91 can have an actuator 93 . This can be configured to move, in particular pivot, the material deflector 71 .
  • the actuator 93 can be any suitable actuator known to those skilled in the art.
  • electric, hydraulic, electro-hydraulic or pneumatic actuators are conceivable, for example an electric or servo motor, or a hydraulic cylinder.
  • the control unit 87 can be e.g. B. be an electrical, hydraulic, electro-hydraulic or pneumatic control unit.
  • the sensor unit 89 detects the distance g between the lower edge 73 of the material deflector 71 and the base 85 and transmits this to the control unit 87 .
  • the control unit 87 can then be configured in such a way that it transmits control signals to the actuator unit 91 based on the received distance cause the actuator unit 91 to control the actuator 93 in such a way that the distance g between the lower edge 73 and the base 85 remains constant.
  • the sensor unit 89 can detect the lifting distance i and transmit this to the control unit 87 . Based on the lifting path i, this can determine a target position of the material deflector 71, which is assigned to the detected lifting path i.
  • a lifting path i can be assigned to a position of the material deflector 71 using mathematical formulas or tables. It is conceivable that the control unit 87 transmits the desired position to the actuator unit 91 and this independently controls or regulates the actuator 93 in such a way that the material deflector 71 assumes the received desired position. However, it is also conceivable that the control unit 87 itself includes a controller and only transmits control signals to the actuator unit 91 .
  • FIG 9A a side view of a chassis 5 of a road finisher 1 according to a further exemplary embodiment is shown.
  • a landing gear protection 95 is provided. This can be attached to the crawler carrier 37, for example, as shown in the exemplary embodiment.
  • the chassis 3 is completely lowered relative to the chassis 5.
  • the undercarriage protection 95 is covered to the rear by the chassis 3 as seen in the direction of travel.
  • the chassis 3 prevents paving material from getting into the area of the running gear 5 .

Landscapes

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

Claims (14)

  1. Finisseur de route (1) avec
    un train de roulement (5) avec deux voies de traction (83) ;
    un châssis (3) ;
    une trémie de matériau (7) montée sur le châssis (3) à l'avant du finisseur (1) par rapport à une direction de pose (F) et destinée à recevoir le matériau à poser ;
    une poutre lisseuse (17) prévue à l'arrière du finisseur de route (1) par rapport à la direction de pose (F), pour compacter le matériau à poser, qui est fixée au châssis (3) par des longerons de traction (9) ; et
    un dispositif de levage (29) qui est conçu pour soulever le châssis (3) par rapport au train de roulement (5) au moins dans une zone arrière du finisseur de route (1),
    caractérisé en ce
    qu'un déflecteur de matériau (71) mobile, en particulier pivotant, par rapport au châssis (3) est disposé entre les deux voies de traction (83), le finisseur de route (1) comprenant une unité de détection (89) qui est configurée pour détecter une distance du châssis (3) par rapport à un sol (85) et/ou une distance de soulèvement (i) entre le châssis (3) et le train de roulement (5) et/ou la distance (g) d'un bord inférieur (73) du déflecteur de matériau (71) par rapport au sol (85).
  2. Finisseur de route selon la revendication 1, caractérisé par une unité d'actionneur (91) configurée pour déplacer, en particulier pour faire pivoter, le déflecteur de matériau (71) par rapport au châssis (3).
  3. Finisseur de route selon la revendication 2, caractérisé en ce que l'unité d'actionneur (91) est configurée pour déplacer, en particulier pour faire pivoter, le déflecteur de matériau (71) sur la base de signaux générés par l'unité de capteur (89).
  4. Finisseur de route selon les revendications 2 ou 3, caractérisé en ce que l'unité d'actionneur (91) comprend un actionneur électrique, hydraulique, électrohydraulique ou pneumatique (93).
  5. Finisseur de route selon l'une des revendications précédentes, caractérisé en ce que l'unité de détection (89) comprend un capteur laser, un capteur radar ou un capteur à ultrasons.
  6. Finisseur de route selon l'une des revendications précédentes, caractérisé en ce que le dispositif de levage (29) comprend une bascule (31) qui est montée de manière à pouvoir tourner autour d'un axe de rotation (A) du châssis sur une surface de palier (35) côté châssis, et qui est montée de manière à pouvoir tourner autour d'un axe de rotation (B) du châssis sur une surface de palier (43) côté châssis.
  7. Finisseur de route selon la revendication 6, caractérisé en ce que le dispositif de levage (29) comprend en outre un élément de réglage (33) de longueur variable, qui relie un point d'articulation (49) côté châssis à un point d'articulation (51) côté bascule, et qui est configuré pour modifier, en faisant varier sa longueur, une distance entre le point d'articulation (49) côté châssis et le point d'articulation (51) côté bascule, et pour ainsi lever ou abaisser sélectivement le châssis (3) par rapport au train de roulement (5).
  8. Finisseur de route selon l'une quelconque des revendications précédentes, caractérisé par un mécanisme d'accouplement (75) configuré pour faire pivoter le déflecteur de matériau (71) par rapport au châssis (3) lorsque le dispositif de levage (29) soulève le châssis (3) par rapport au train de roulement (5).
  9. Finisseur de route selon la revendication 8, caractérisé en ce que le mécanisme de couplage (75) comprend un levier de renvoi (77) qui est monté de manière rotative sur le châssis (3).
  10. Finisseur de route selon les revendications 2 et 8, caractérisé en ce que le mécanisme de couplage (75) comprend une unité de régulation ou de commande (87) qui est reliée à l'unité de détection (89) et à l'unité d'actionnement (91), l'unité de régulation ou de commande (87) actionnant l'unité d'actionnement (91) en fonction de signaux reçus de l'unité de détection (89).
  11. Finisseur de route selon l'une des revendications précédentes, caractérisé par une protection de châssis (95) qui est disposée derrière l'une des voies de traction (83) dans le sens de la pose (F).
  12. Finisseur de route selon la revendication 11, caractérisé en ce que, dans une position abaissée maximale du châssis (3) par rapport au train de roulement (5), la protection du train de roulement (95) est masquée par ce dernier vers un côté arrière du finisseur de route (1) et peut être dégagée en soulevant le châssis (3).
  13. Finisseur de route selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'actionneur (91) et/ou le mécanisme de couplage (75) comportent un élément élastique (81).
  14. Finisseur de route selon la revendication 13, caractérisé en ce que l'élément élastique (81) est configuré pour être dévié lorsque le déplacement et/ou le pivotement du déflecteur de matériau (71) est bloqué.
EP20162388.1A 2017-12-13 2017-12-13 Finisseuse de route pourvue de déflecteur de matériau pivotant Active EP3686345B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20162388.1A EP3686345B1 (fr) 2017-12-13 2017-12-13 Finisseuse de route pourvue de déflecteur de matériau pivotant
PL20162388.1T PL3686345T3 (pl) 2017-12-13 2017-12-13 Układarka z wychylnym elementem do zmiany kierunku materiału

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17206966.8A EP3498916B1 (fr) 2017-12-13 2017-12-13 Finisseur de route pourvu de déflecteur de matériau pivotant
EP20162388.1A EP3686345B1 (fr) 2017-12-13 2017-12-13 Finisseuse de route pourvue de déflecteur de matériau pivotant

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP17206966.8A Division EP3498916B1 (fr) 2017-12-13 2017-12-13 Finisseur de route pourvu de déflecteur de matériau pivotant
EP17206966.8A Division-Into EP3498916B1 (fr) 2017-12-13 2017-12-13 Finisseur de route pourvu de déflecteur de matériau pivotant

Publications (2)

Publication Number Publication Date
EP3686345A1 EP3686345A1 (fr) 2020-07-29
EP3686345B1 true EP3686345B1 (fr) 2023-03-29

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EP17206966.8A Active EP3498916B1 (fr) 2017-12-13 2017-12-13 Finisseur de route pourvu de déflecteur de matériau pivotant
EP20162388.1A Active EP3686345B1 (fr) 2017-12-13 2017-12-13 Finisseuse de route pourvue de déflecteur de matériau pivotant

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EP17206966.8A Active EP3498916B1 (fr) 2017-12-13 2017-12-13 Finisseur de route pourvu de déflecteur de matériau pivotant

Country Status (5)

Country Link
US (1) US10472778B2 (fr)
EP (2) EP3498916B1 (fr)
JP (1) JP6772239B2 (fr)
CN (2) CN109914204B (fr)
PL (2) PL3498916T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3498916B1 (fr) * 2017-12-13 2021-06-16 Joseph Vögele AG Finisseur de route pourvu de déflecteur de matériau pivotant
US10472777B1 (en) * 2018-05-02 2019-11-12 Caterpillar Paving Products Inc. Screed tow point assembly for paver
CN110644336B (zh) * 2019-10-26 2024-06-07 浙江土工仪器制造有限公司 一种多功能检测车
CN113152223B (zh) * 2021-04-26 2023-02-28 湖北金五环体育设施有限公司 一种塑料跑道摊铺装置
CN114737492B (zh) * 2022-05-16 2024-03-19 江西科技学院 一种用于桥面修复材料的铺装设备及施工方法

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DE2135957A1 (de) * 1971-07-19 1973-02-01 Voegele Ag J Strassenfertiger zum einbau von gussasphalt oder dgl
GB1355620A (en) 1971-07-19 1974-06-05 Voegele Ag J Road finisher for applying a surface layer of mastic asphalt
DE2140058A1 (de) 1971-08-10 1973-02-22 Voegele Ag J Strassenfertiger
US3901616A (en) 1974-07-22 1975-08-26 Kenneth J Greening Self-propelled paver
JPS58163375U (ja) * 1982-04-27 1983-10-31 株式会社新潟鐵工所 アスファルトフィニッシャのクロ−ラ式走行装置
JPS58163376U (ja) * 1982-04-27 1983-10-31 株式会社新潟鐵工所 アスフアルトフイニツシヤの走行装置
JPS6034079U (ja) * 1983-08-15 1985-03-08 株式会社新潟鐵工所 アスフアルトフイニツシヤ等の走行装置
JPS63125704A (ja) * 1986-11-14 1988-05-28 株式会社新潟鐵工所 クロ−ラ式走行装置
US4801218A (en) 1987-01-20 1989-01-31 Cedarapids, Inc. Three-point suspension for bituminous pavers
JPH0745611Y2 (ja) * 1990-12-28 1995-10-18 株式会社新潟鉄工所 舗装機械の懸架装置
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EP3498916B1 (fr) * 2017-12-13 2021-06-16 Joseph Vögele AG Finisseur de route pourvu de déflecteur de matériau pivotant

Also Published As

Publication number Publication date
JP2019143464A (ja) 2019-08-29
EP3498916A1 (fr) 2019-06-19
CN109914204A (zh) 2019-06-21
US10472778B2 (en) 2019-11-12
CN209584791U (zh) 2019-11-05
CN109914204B (zh) 2021-12-07
BR102018075896A2 (pt) 2019-07-16
PL3498916T3 (pl) 2021-12-13
JP6772239B2 (ja) 2020-10-21
EP3686345A1 (fr) 2020-07-29
US20190177927A1 (en) 2019-06-13
PL3686345T3 (pl) 2023-08-14
EP3498916B1 (fr) 2021-06-16

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