EP2218824B1 - Poutre lisseuse - Google Patents

Poutre lisseuse Download PDF

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Publication number
EP2218824B1
EP2218824B1 EP09002132A EP09002132A EP2218824B1 EP 2218824 B1 EP2218824 B1 EP 2218824B1 EP 09002132 A EP09002132 A EP 09002132A EP 09002132 A EP09002132 A EP 09002132A EP 2218824 B1 EP2218824 B1 EP 2218824B1
Authority
EP
European Patent Office
Prior art keywords
screed
guiding
base
extension
sole plate
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
EP09002132A
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German (de)
English (en)
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EP2218824A1 (fr
Inventor
Roman Munz
Frank Grimm
Martin Buschmann
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 EP09002132A priority Critical patent/EP2218824B1/fr
Priority to US12/435,644 priority patent/US8221026B2/en
Priority to CN200910165203.5A priority patent/CN101806030B/zh
Priority to JP2010015169A priority patent/JP5727143B2/ja
Publication of EP2218824A1 publication Critical patent/EP2218824A1/fr
Application granted granted Critical
Publication of EP2218824B1 publication Critical patent/EP2218824B1/fr
Active legal-status Critical Current
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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
    • E01C2301/14—Extendable screeds
    • E01C2301/16—Laterally slidable screeds

Definitions

  • the invention relates to a screed according to claim 1.
  • Screeds with arranged on the front side of the base screed, to change the working width relative to the base screed laterally sliding screeds are mainly used in North America, since at high installation speeds in the direction of travel at the front of the screed arranged Ausziehbohlen offer change in working width and / or installation of lateral connections for driveways or cross roads advantages over arranged at the rear of the base screed screeds.
  • road surfaces with at least one lateral hanging shoulder and / or a berm are often to be installed. This is possible with front-side extendable planks with a relatively high installation speed.
  • a shoulder for example, has the purpose of dissipating rainwater sideways, while a berm is a rising from the shoulder or the road counterbore and is used for example for wastewater management.
  • the width of the road should remain unchanged.
  • the width of the shoulder can vary.
  • the screed mounted in the base scaffold base guide structure is pivoted by at least one vertical actuator relative to the base screed.
  • the guide substructure is displaceably guided, on which, finally, the pull-out guide structure is displaceably guided.
  • the base guide structure, the guide substructure and the pullout guide structure define a common linear displacement direction of the pullout beam.
  • the screed frame is fixedly mounted on the pull-out guide structure. However, it may alternatively be tiltable by an actuator relative to the Auszieh Inventorys Modell in the transverse direction.
  • the actuator in the base pile can be used for height adjustments of the pulley relative to the base pile, but must not only absorb the weight forces of the entire pulley, but also built-in forces from the drag resistance of the paving material. Especially with fully extended Extending these forces are relatively high, which can be hindered during installation height adjustments.
  • the double function of the actuator (height adjustment and pivoting relative to the base board) result in high local loads between the base guide structure, the ground pile and the actuator or actuators.
  • a physical shoulder hinge for the basic guide structure of the Ausziehbohle is provided in the base screed a physical shoulder hinge for the basic guide structure of the Ausziehbohle.
  • the basic guide structure of the screed can be adjusted in the shoulder hinge to adjust the angle of the shoulder to be installed.
  • the pullout guide structure is telescopically slidable in the base guide structure.
  • the working width can not be changed to double the plank width.
  • plow structures are formed at the front inner ends of the Ausziehbohlen.
  • the screed screed plate is mounted to the screed frame attached to the pull-out guide structure.
  • base guide structure is pivoted by means of a screw on the base board.
  • the base guide structure via two spaced screw spindles is height adjustable relative to the base board.
  • the screed screed plate is mounted on the housing-shaped extension guide structure slidable in the base guide structure over the screed frame and is divided into two parts in a bale pivoting area. A part can be pivoted up to form a berm relative to the side plate by means of an actuator.
  • the actuator is supported on the pullout guide structure.
  • the working width can not be changed up to twice the plank width.
  • the invention has for its object to provide a structurally simple screed of the type mentioned, which allows a change in the working width to about twice the screed width, and at the risk of caused by weight or installation forces obstruction of adjustment movements of the Ausziehbohle relative to the base board is eliminated.
  • the base guide structure in the base board can be mounted easily and stably, and the height adjustment devices and vertical guides are loaded less. No height adjustments take place between the base guide structure, the guide substructure and the pull-out guide structure, so that the guide substructure and the pull-out guide structure can be made stable and simple and provide stable support for forces even when the pull-out screed is fully extended.
  • the height adjustment and vertical guides functionally function only between the Auszieh Equipments Modell and the screed plate frame structure so that they can be structurally tuned to the motion and force conditions occurring there.
  • the height adjustment devices and the vertical guides are loaded only by weight forces of the screed frame structure and the installation forces, but by no weight forces of the Auszieh Adjusts Cook, the chiefssub Cook and the base guide structure. Therefore, height adjustments can be made sensitively and quickly and without interference from parasitic forces.
  • the base guide structure is stably supported in a fixed in the base pile shoulder hinge with a single, substantially parallel to the working direction axis.
  • the at least one actuator anchored in the base beam for adjusting the shoulder angle of the extension screed preferably a hydraulic cylinder, acts with respect to the shoulder hinge with a low-sized force arm on the base guide structure. Since the actuator does not need to make any height adjustments under the entire weight of the Ausziehbohle, but generates with favorable Kraftarm pivotal and supporting forces to the shoulder hinge, the Ausziehbohle is held stable at each angle setting in the base board.
  • the principle according to the invention is very advantageous in at least one extension screed arranged at the front on the base screed, it could also be used with at least one screed mounted on the back of the base screed. Front and back refer to the working direction of the screed.
  • the shoulder hinge is arranged closer to the end of the base pile assigned to the extension sheet than the actuator, in order to achieve favorable power arm ratios.
  • the base guide structure is a plate frame with two parallel guide tubes arranged within the base pile. This concept results in a very stable base guide structure with a long guide support length for the guide substructure.
  • the guide substructure is expediently a substructure frame with two first guide elements, which are displaceably guided in the guide tubes of the base guide structure, and two second guide elements which are offset and parallel to the first guide elements.
  • first guide elements which are displaceably guided in the guide tubes of the base guide structure
  • second guide elements which are offset and parallel to the first guide elements.
  • the Auszieh arrangements Vietnamese is a frame with two spaced, perpendicular to the guide direction vertical plates and two fixed thereto, parallel guide tubes, which are guided on the second guide elements in the substructure frame slidably.
  • the combination of the base guide structure with the mecanicssubfigured and the Auszieh operations Cook forms relative to each other telescoping component groups, for the sum of the first and second shift strokes a change in working width to about twice the plank width allows, and between which even with fully extended Ausziehbohle favorably long mecanicsstützin between each two of the component groups are retained.
  • the vertical plates of the Auszieh enclosures Cook perform a multiple function, since they stiffen the Auszieh entrys Cook, and participate in the vertical guidance and the height adjustment of the screed frame structure.
  • the respective guide support length in the base guide structure, and for the Auszieh operations MUST about one third of the sum of the first and second shift strokes. This results in a very stable support of the extension screed against installation forces at fully extended screed.
  • the guide tubes of the base guide structure and the first of the second guide elements of the guide substructure lie approximately in a horizontal plane.
  • the guide tubes of the extension guide structure and the two second guide elements of the guide substructure are approximately vertical one above the other. This results in a favorable, because spatial, and statically determined stability.
  • the height adjustment devices are expediently fixed at one end to at least one guide tube of the pull-out guide structure and at the other end to the screed plate frame structure and are therefore advantageously short.
  • the vertical guides are provided between the screed frame structure and the vertical plates of the extension guide structure and may be relatively long.
  • the vertical guides of several guide pins interspersed slot guides z. B. in vertical supports of the vertical plates, for the screed plate frame structure.
  • This slot guides can, preferably, be covered by fixed to the guide pin cover plates so that any lubricant deposits are included, and no built-in material can penetrate.
  • the vertical guides keep installation forces away from the height adjustment devices, which thus operate without jamming.
  • the two height adjustment screw spindles which are fixed in at least the Auszieh Installations Quilt fixed spindle blocks z. B. screwed, and fixed in the screed frame structure blocks z. B. are rotatably supported.
  • the two screw spindles can be coupled to a common drive, for example a hydraulic motor or an electric geared motor, which can be mounted on the screed plate frame structure. Instead of screw spindles and hydraulic cylinders could be used.
  • a shoulder and a berm or just a shoulder or just a berm can be installed, characterized by the fact that the Ausziehbohlen-smoothing plate or the screed supporting, lower Frame is divided in an approximately parallel to the axis of the shoulder hinge hinge portion in a connected to a frame section first section and in a relatively pivotable second berms section.
  • the upper frame of the screed frame structure supports the lower frame, which is divided into an inner frame section and an outer frame section to which the first and second sections of the screed sheet are attached. If both sections are set parallel to the screed screed plate, the screed builds a straight extension of the carriageway.
  • each of the altitude of the rear lower edge of the Ausziehbohlen-Glättbleches in about Adjust to the height of the rear lower edge of the screed plate.
  • the base guide structure and the sliding direction of the Ausziehbohle are then parallel to the base board.
  • the extension screed forms a shoulder.
  • the pull-out guide structure in the shoulder hinge and the second boom section are pivoted relative to the first section, the pull-out pile forms a shoulder and a berm in the edge region of the road surface.
  • At least one actuator is arranged on the Ausziehbohlen-smoothing plate, which connects the first section over the hinge region away directly with the second section.
  • the actuator adjusts and maintains the relative angle between both sections, optionally a fixed berm end position.
  • the actuator operating between the screed or frame sections is a hydraulic cylinder or a jackscrew.
  • a toggle mechanism which can set, for example, mechanically limited end positions for the maximum beam angle and the parallel alignment of the two sections, the actuator is used only for adjustment and then less loaded, since the toggle mechanism receives and transmits the holding forces.
  • the angle of attack of the screed screed plate in the working direction and relative to the plane of the screed can be adjusted individually.
  • the lower frame is tiltably supported on the upper frame in a direction parallel to the sliding direction, horizontal hinge axis.
  • This hinge axis may be a physical hinge, or is defined, preferably, only by the resilience of the planar screed screed plate in this area relative to a mounting area on the screed frame structure.
  • An attack angle adjustment device is mounted on the upper frame and engages at least on the first section of the Ausziehbohlen-Glättbleches or the lower frame. When the attack angle of the first section is changed, the attack angle of the second section also changes correspondingly over the berm-joint area.
  • a structurally simple embodiment of the attack angle adjusting device has an externally accessible from above in the Ausziehbohle screw, which is screwed into a mother body on the screed frame structure, and engages a mounted in the upper frame gear, which, preferably, several times at least with the coupled to the first section of the Ausziehbohlen-Glättbleches or the frame section.
  • Ausziehbohlen-smoothing plate is pivoted at the front in working direction edge area relative to the rear in working direction of the hinge axis or bent there using the elasticity.
  • a convexly rounded end edge of one section engages in a concavely rounded end edge of the other section in the bosom hinge region between the first and second sections.
  • interlocking circular arc guide portions may be disposed on both scarf plate or frame sections which, together with the engagement between the end edges, define a stable hinge axis in the brow joint area.
  • a side plate is mounted on the outer end of the extension screed on the upper frame of the screed plate frame structure, which protrudes forward in the working direction over the extension screed.
  • the outer end of the second berm-section of the Ausziehbohlen-Glättbleches is movable relative to the side plate, so that when installing a berm the side plate forms the outer boundary of the lining layer.
  • a plow structure arranged peel off when pushed together the two Ausziehbohlen lying on the ground plan and can move forward.
  • the plow structure is defined by a running in working direction edge portion of the first section of the Ausziehbohlen-Glättbleches, one from the edge portion and parallel to this from the bottom inside obliquely upwardly outwardly extending first Abweisamide, and at least one directly adjoining second, approximately vertical deflecting surface, which opposite to the working direction of the inside obliquely outwards.
  • This surface combination of the plow structure has fixed working width no appreciable influence on the built-in material that is installed between the extending screeds of the basic screed.
  • the paving structure is peeled off, raised and displaced inboard and forward before being installed by the base piling, the dynamic action of the plow structure preventing the paving material from becoming trapped between the pulled out planks ,
  • a front wall be mounted in working direction, which extends from above in working direction in front of an upwardly bent retractable nose of Ausziehbohlen-Glättbleches down.
  • This front wall which is expediently supplemented by a front wall of the extending screed extended to the level of the pull-out guide structure, works as a scraper plate which sets a height-defined template for the screed for the screed screed plate, and relieves the screed scraper plate from being pulled in. Nose to a large extent of trailing forces of the insert.
  • the first horizontal actuator is disposed in the base board and hinged to the board frame of the base guide structure and to the frame of the guide substructure.
  • the second horizontal actuator is arranged in the Auszieh operations Modell, and connected on the one hand to a vertical plate of Auszieh enclosures Students and the other part of the frame of the chiefssubpatented.
  • the base screed on two connection carrier for Switzerlandme is pivotable about an approximately perpendicular to the working direction and horizontally oriented axis in the base pile.
  • an attack angle adjustment device for the angle of attack of the screed Glättbleches is provided between the base beam and the connection carrier.
  • the base pile is further subdivided into two basic screed parts which are pivotably connected via a hinge which is approximately parallel to the working travel direction.
  • a roof profile adjustment device may be provided between the two base screed parts. So can be installed with the same base board either a flat roadway or a roadway with a roof profile. It goes z. B. the screed smoothing plate without interruption, so that it is locally kinked or bent for a roof profile taking advantage of its restoring material elasticity.
  • the screed screed could be split and the two screed halves could be connected in a middle joint.
  • the Fig. 1 and 2 show in a schematic plan view and a schematic rear view of a paver F when installing a road surface M on a Planum P.
  • the paver F entrains (working direction R) a screed E to Switzerlandholmen 2, which hinged at tow points 1 on the paver F and on Ranträgem 3 ' the screed are firmly mounted.
  • the tow points 1 are the same or different adjustable on both sides. Their height positions affect the layer thickness of the road surface M.
  • the screed E consists of a base board G and at least one, in the illustrated embodiment two, preferably on the front side of the base board G in a linear displacement direction Z laterally slidably mounted Ausziehbohlen A.
  • Each extractor A is at least one screed plate 10, 11 mounted on the bottom side.
  • the screed plates 10, 11 level the surface of the road surface M and generate a compaction.
  • the respective Ausziehbohle A could alternatively be mounted on the back of the base board G.
  • the road surface M over the entire working width of the screed E has a flat continuous road surface 3.
  • the base beam G is divided in the middle and / or bendable to form a roof profile. If, as in the Fig. 1 and 2 shown in the working direction R left Extending Boom A with a shoulder angle ⁇ is pivoted relative to the base board G in a shoulder hinge 7 of the ground pile G, is installed at a side edge from a transition 6 a hanging with the angle ⁇ flat shoulder 4. In a further case, a berm 5 is subsequently installed on the shoulder 4, that is to say an embankment rising outward at an angle .beta.
  • the berm 5 could also be installed without a shoulder 4 as an edge region of the flat road surface 3 or the road surface with a roof profile.
  • the shoulder 4 and / or the berm 5 are installed by the screed plate 11 of the Ausziehbohle A.
  • the Ausziehbohlen-smoothing plate 11 is divided in a Bermen joint area 8 with approximately parallel to the shoulder hinge 7 hinge axis in an inner first section 11a and a second outer, pivotable Bermen section 11b.
  • a side plate 9 is mounted, which extends over the screed plate 11 of the Ausziehbohle A in the working direction R forward and prevents the built-in material over the working width also flows out.
  • the width of the flat roadway surface 3 should remain unchanged in the event of changes in the working width by pushing in or pushing out the extendable boards A in the sliding direction Z.
  • the working width is only temporarily increased, for example.
  • each Ausziehbohle A in the base board G has the physical shoulder hinge 7 with substantially parallel to the working direction R joint axis 7a, wherein the shoulder hinge 7 (for adjusting the shoulder angle ⁇ of the Ausziehbohlen-Glättbleches 11) at or near the respective Extending screed A associated end of the base board G is located.
  • the transverse to the direction of travel R seen width of each Extending Screed A and the Ausziehpohlenglättbleches 11 corresponds approximately to half the plank width, so that when fully extended Ausziehbohlen A, the maximum working width of double plank width corresponds approximately.
  • Part of screed E is a in Fig. 2 only schematically indicated telescopic guide system 12 to which an example of an upper frame 14 A and a lower frame 14 B ( Fig. 13 ) existing screed frame structure 14 for the screed plate 11 of the Ausziehbohle A via at least substantially perpendicular to the defined displacement direction Z arranged height adjustment devices 21 and vertical guides 20 is arranged vertically adjustable.
  • Each side shield 9 is ( Fig. 8 ) attached to the upper frame 14 A of the screed frame 14, such that, as in Fig. 2 , left, shown, the second berm section 11b of the Ausziehbohlen-Glättbleches 11 relative to the side plate. 9 is pivotable, and the side plate 9 forms the lateral boundary of the built-in road surface layer M.
  • a concrete embodiment of the in the Fig. 1 and 2 only schematically indicated screed E is based on the Fig. 3 to 13 explained, with first on the perspective view of the working direction R right part of the screed in Fig. 3 , the perspective view of an essential area Fig. 3 in Fig. 4 , the front view in the direction opposite to the working direction R in Fig. 5 , and the rear view looking in working direction in Fig. 6 Reference is made.
  • the telescopic guide system 12 consists of a base guide structure 18, which is pivotally mounted below and within a connection carrier 3 'for a tow bar 2 in the base beam G with the shoulder hinge 7 around the hinge axis 7a, a guide substructure 17 slidably guided in the base guide structure 18, and a slidably guided on the guide structure 17 Auszieh Entrys für 16, on which the screed plate frame structure 14 is mounted.
  • the base guide structure 18 is in the Fig. 3 . 4 and 6 of two spaced guide tubes 31, which are incorporated with plates 30 in a dimensionally stable plate frame.
  • the base guide structure is pivoted about the hinge axis 7a of the shoulder hinge 7 with the angle ⁇ of, for example, at most 10%, by means of at least one actuator 45 (for example a hydraulic cylinder or a screw spindle device or any other suitable actuator) which is connected between an articulation point 44 at one Arm 30 'attached to the base guide structure 18 and an articulation point 46 are arranged in the base board G.
  • the actuator 45 or the arm 30 ' is respectively applied against a stop, not shown, in the base board G in order to keep the pivotal position of the Ausziehbohle A stable.
  • the two guide tubes 31 of the base guide structure 18 are formed by two parallel guide elements 33, formed as rods or tubes, of the guide substructure 17 penetrated, which are fixed to two L-shaped end plates 32, and a first stroke H1 ( Fig. 4 ) relative to the base guide structure 18 by means of a first horizontal actuator 19 and are pushed back and forth.
  • the first horizontal actuator 19 is supported, for example, on one of the plates 30 of the base guide structure 18 and is connected to one of the end plates 32.
  • the first stroke H1 may be longer than the guide length of the base guide structure 18.
  • the second of the two further guide elements 34 is located at a distance approximately vertically below the upper second guide element 34 (FIG. Fig. 5 ).
  • the Auszieh operations Cook 16 is on the two second guide elements 34 of the guide sub-structure 17 via a second stroke H2 ( Fig. 4 ) guided displaceable. All displacement movements take place in the linear displacement direction Z of the telescopic guide system 12, whose orientation depends on the pivot position of the base guide structure 18 about the hinge axis 7a.
  • the second stroke H2 is z. B. shorter than the first stroke H1, wherein ultimately the Auszieh operations Cook 16 relative to the base guide structure 18 with the sum of the stroke H1 and H2 can be pushed out.
  • the second stroke H2 could be equal to or longer than the first stroke H1.
  • the Auszieh Installations Cook 16 consists of two on the second guide elements 34 sliding guide tubes 36, whose ends between the end plates 32 of the constitussubfigured 17 via massive, vertical to the guide direction or displacement Z arranged, vertical support 35 supporting vertical plates 13 are connected.
  • the guide support length of the guide sub-structure 17 in the base guide structure 18 corresponds to approximately half the guide support length of the pull-out guide structure 16 in the guide sub-structure 17.
  • the pull-out guide structure 16 is shorter in the direction of displacement Z than the width of the extension pile A, while the screed frame structure 14 to the outer end of Extending screed A can extend.
  • the two height adjustment means 21 are associated with the vertical plates 13 and the vertical beams 35 and each consist of a attached to the Auszieh Inventorys für 16 spindle block 26 in which a vertical screw 25 is screwed, and a screw spindle 25 rotatably holding block 27, either with the upper frame 14 A or with the upper frame 14 A with a vertical guide body 50 (FIG. Fig. 7 ) connecting struts 21 is connected.
  • the screw 25 is relative short and carries at the lower end, for example, a sprocket 28, which is coupled via a chain drive 40 with a, for example, in the upper frame 14A arranged, two height adjustment devices 21 common drive 39.
  • the drive 39 may be a hydraulic motor or an electric geared motor.
  • the two height adjustment devices 21 could also be formed by hydraulic cylinders or other suitable actuators.
  • the vertical guide body 50 are z. B. on the front sides of the vertical support 35 of the Auszieh Operations Modell 16 by means of a series of spaced guide pins 43 guided linearly displaceable z. B. with sliding blocks 22 ( Fig. 7 ) engage in oblong holes 43a through cover plates 51 (FIG. Fig. 5 ) can be covered.
  • the cover plates 51 are secured for example by screwed onto the guide pin 43 nuts.
  • it can be a in Fig. 5 not shown front housing cover of the Ausziehbohle A be provided, the, z. B. down to above the upper frame 14 A and in working direction in front of the Ausziehbohlenglättblech 11 downwardly engaging front walls 67 may be performed.
  • Ausziehbohlen-smoothing plate 11 is the front side, for example, via a plurality of fasteners 42 directly or indirectly and in the working direction of R rear area ( Fig. 8 and 13 ) via connecting elements 54 and 66 articulated (hinge axis 65, Fig. 13 ) is connected to the upper frame 14 A. Shown are connecting elements 42 between the upper frame 14A and an inner frame section 14Ba of the divided lower frame 14B (FIG. Fig. 13 ).
  • Fig. 8 and 13 is the Ausziehbohlen-smoothing plate 11, at least the first section 11a, relative to the upper frame 14 A about a transverse to the working direction R lying about ground-parallel hinge axis 65 tilted to adjust the Ausziehbohle A another screed attack angle relative to Planum P. , as the screed attack angle of the basic scaffold G.
  • the in Fig. 8 and 13 indicated hinge axis 65 may (as shown) be a physical hinge axis between the connecting elements 54, 56 on the upper frame 14A and the frame section 14Ba, or is (not shown) by the resilient resiliency of the fixed-mounted Ausziekbügel-Glättbleches 11, ie the section 11a, defined ,
  • An attack angle adjuster 23 serving to tilt the screed screed plate 11 is provided in the screed plate frame structure 14.
  • An upward obliquely outwardly pointing screw 41 is screwed into a nut body 53 on the upper frame 14A.
  • a the screwing movement of the screw 41 in a linear movement implementing gear device is in bearings 38 ( Fig. 5 ) stored inside the upper frame 14 A and in detail from the Fig. 11 and 13 to recognize.
  • a triangular rotary member 63 which is mounted in the bearing 38 in the upper frame 14 A.
  • This triangular rotary member 63 is coupled via a link 64 with a similar triangular rotary member 63 for common rotational movement.
  • the second rotary member 63 is also rotatably supported in a bearing 38 in the upper frame 14 A.
  • the connecting elements 42 are connected (already Fig. 5 mentioned), which may be formed, for example, as turnbuckles for fine adjustment, and front side attack on the top of the frame section 14Ba or the smoothing plate section 11a.
  • the second berm section 11b on the frame section 14Bb is above the brow joint area 8 behind the front wall 67, which acts as a scraper over an upwardly curved retraction nose 68 (FIG. Fig. 12 ) of the Ausziehbohlen-Glättbleches engages down, connected to the first section 11a, so that the second Bermen section 11b on the hinge portion 8 each have the same angle of attack relative to Planum, as set for the first section 11a with the screw 41.
  • the first section 11a is pivoted or bent relative to the upper frame 14A about the hinge axis 65 lying at the rear end space of the Ausziehbohlen-Glättblechs 11.
  • Fig. 5 . 6 . 11 is an on the top of the second berm section 11b or frame section 14Bb hinged actuator 37, z.
  • a hydraulic cylinder shown bridging the berm-hinge region 8 and connected to the other frame section 14Ba.
  • the actuator 37 sets the second berm section 11b either as in FIG Fig. 5 shown in parallel and in alignment with the first section 11a (for mounting either only one shoulder or no shoulder 4 in the Fig. 1 and 2 ), or with a Bermen angle ⁇ ( Fig. 2 ) z. B. to a predetermined end position, as in Fig. 8 hinted to incorporate a Berme 5.
  • the outer end of the second berm section 11b has moved upwards relative to the side plate 9.
  • the articulation point of the actuator 37 on the frame section 14Ba is otherwise in Fig. 8 with 57 highlighted.
  • the Ausziehbohlen-smoothing plate 11 and / or the lower frame 14 B could each be integrally formed continuously, since the possibility to incorporate a Berme is a convenient option of the screed E is.
  • the attack angle adjustment device 23 may be an optional equipment of the screed.
  • the screw 41 can also by other suitable actuators such. B. hydraulic cylinder, electric Hubspindeltriebe be replaced.
  • the actuator 37 and connecting members on the upper frame 14A, and the frame section 14Bb of the lower frame 14B e.g. B. to adjust for a berm from above.
  • each connection carrier 3 ' which has a connection plate 52 for fastening one end of a Switzerlandholms 2, about a parallel to the sliding direction Z axis 47 (FIGS. Fig. 7 ) pivotable in the base G.
  • a vertical support 49 fixedly connected to the base beam G extends adjacent to the connection support 3 '.
  • connection support 3 ' and the vertical support 49 an actuator 48 for individual adjustment of the angle of attack of the base board G is arranged relative to the plane and to the Switzerlandholm 2 firmly connected connection carrier 3'.
  • a functionally similar adjustment device could alternatively be provided directly between the towbar 2 and the connection carrier 3 '(not shown).
  • each Ausziehbohle A plow structure 15 ( Fig. 3 . Fig. 5 and Fig. 12 ), whose task is to peel off the base board G lying on the Planum P when pushing together the Ausziehbohlen A from Planum and submit the Ausziehbohlen-smoothing plate 11, which incorporates this material in the roadway M, until the Ausziehbohlen A finally in the Center of the base board G lie together, without being obstructed when pushed together by jammed paving.
  • the plow structure 15 begins at a parallel to the working direction R inner edge 69 of the Ausziehbohlen-Glättbleches 11 (section 11 a) and has a rising from the inner edge 69 obliquely upwardly outwardly first Abweis type 70 at least.
  • a second, substantially vertical deflecting surface 71 adjoins the first deflecting surface 70.
  • the intersecting line 72 begins in the working direction R front at a higher point of the first Abweis configuration 70 and extends obliquely down to a low position of the first Abweis nature 70.
  • the vertical second Abweis tone 71 has its rear edge at the rear in the working direction end of the inner edge 69 and runs from there starting in Working direction R obliquely outwards.
  • the plow structure 15 may also be fixed to the frame section 14Ba of the lower frame 14B.
  • the plow structure 15 may alternatively be represented by a sheet bent integrally with a curvature. Further, a one-piece sheet may have a plurality of intersections or bending edges in the manner of the intersecting line 72, and divide the plow structure into any number of sub-segments such as 70 and 71 (not shown).
  • heating and vibration devices and the like may be included in the base board G and in the extending boards A.
  • Fig. 9 schematically illustrates a detail variant in which the actuator 37 for adjusting the Bermenwinkels ⁇ , the z. B. on the section 11a or the frame section 14Ba is hinged at 58, not directly on the berms section 11b attacks, but on a toggle mechanism 55, in a pivot bearing 57 in the frame section 14Bb or the second berm section 11b and in a Abutment 57 is hinged to the upper frame 14 A, wherein indicated fixed stops may be provided which define two extreme positions of the toggle mechanism 55.
  • Fig. 10 illustrates schematically as a further option, a training of Bermen joint region 8 between the sections 11a, 11b of the Ausziehbohlen-Glättbleches 11.
  • An end edge 74 of the first section 11a for example, following a circular arc convex rounded.
  • an end edge 73 of the second berm section 11b is likewise rounded concavely following a circular arc with essentially the same radius.
  • the end edges 73, 74 engage each other precisely, so that when pivoting the second section 11b on the underside of the Ausziehbohlen-Glättbleches 11 no gap is opened, which could form in the surface of the road surface m.
  • arcuate guide elements 59 are also provided on the upper sides of the sections 11a, 11b or the frame section 14Ba, 14Bb at at least one point of the pivoting area 8. 62 defined, which have at least one transverse pin 60 and an arcuate guide slot 61 in order to achieve a concentric to the axis in the hinge region 8 guiding and supporting function.
  • a roof profile adjusting device 73 (FIG. Fig. 3 ) the base girder G is shown as optional equipment.
  • the base board G is adjustable in the middle about a parallel to the working direction R axis 74 of the screed Glättblechs 10 to form a roof profile.
  • the roof profile adjusting device 73 ( Fig. 3 ) Functionally acts between two screed halves, the screed 10 z. B. goes through the axis 74 without interruption and bends or buckles thanks to its elasticity when the base screed halves are adjusted.
  • the usual, at the legislative in working direction longitudinal edge of the Glättblechs 10 nose bent nose 76 (in the rear view of Fig. 6 for example) is interrupted in a V-shaped area 75 in order to facilitate the easier bending and resetting of the in itself flat, plate-shaped Glättblechs 10 in the axis 74.
  • a two-part design of the screed plate 10 and a joint defining the axis 74 between the base screed parts is alternatively possible for setting a roof profile.

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

Claims (24)

  1. Poutre lisseuse (E) pour un finisseur de route (F), avec
    une poutre de base (G) et au moins une poutre extensible (A) qui est agencée sur la poutre de base (G) avec un décalage selon une direction de déplacement (R) et qui peut se déplacer latéralement par rapport à la poutre de base (G) selon une direction de déplacement linéaire (Z),
    une structure de guidage de base (18) pour la poutre extensible (A), dans laquelle la structure de guidage de base (18) peut pivoter dans un support de pivotement de la poutre de base (G),
    une sous-structure de guidage (17) guidée dans la structure de guidage de base (18) et au moins un premier actionneur (19) pour déplacer la sous-structure de guidage (17) sur une première course de levage (H1) par rapport à la structure de guidage de base (18),
    une structure de guidage d'extension (16) guidée dans la sous-structure de guidage (17), et au moins un deuxième actionneur (29) pour déplacer la structure de guidage d'extension (16) sur une deuxième course de levage (H2) par rapport à la sous-structure de guidage (17),
    une structure de châssis de tôle lisseuse (14) montée sur la structure de guidage d'extension (16) avec une tôle lisseuse de poutre extensible (11), et
    des guidages verticaux (20) au moins essentiellement perpendiculaires à la direction de déplacement (Z) agencés entre la structure de châssis de tôle lisseuse (14) et la structure de guidage d'extension (16), et des dispositifs de réglage en hauteur (21) pour régler la structure de châssis de tôle lisseuse (14) en hauteur parallèlement à elle-même et par rapport à la structure de guidage de base (18).
  2. Poutre lisseuse selon la revendication 1, caractérisée en ce que la structure de guidage de base (18) est montée dans une charnière d'épaulement (7) définissant le support de pivotement et fixée dans la poutre de base (G) avec des axes de charnière (7a) au moins essentiellement parallèles à la direction de déplacement (R), en ce qu'au moins un actionneur (45), préférablement un vérin hydraulique, ancré dans la poutre de base (G) et espacé par rapport à la charnière d'épaulement (7) s'engage avec la structure de guidage de base (18), et en ce que la poutre extensible (A) est agencée du côté frontal sur la poutre de base (G).
  3. Poutre lisseuse selon la revendication 2, caractérisée en ce que la charnière d'épaulement (7) est agencée plus près de l'extrémité de la poutre de base (G) associée à la poutre extensible (A) que l'actionneur (45).
  4. Poutre lisseuse selon la revendication 1, caractérisée en ce que la structure de guidage de base (18) comporte un châssis à plaques agencé dans la poutre de base (G) avec deux tubes de guidage parallèles (31).
  5. Poutre lisseuse selon la revendication 1, caractérisée en ce que la sous-structure de guidage (17) comporte deux premiers éléments de guidage (33) dont le déplacement est guidé dans les tubes de guidage (31) de la structure de guidage de base (18) entre des plaques terminales (32) et en ce que deux deuxièmes éléments de guidage (34) décalés par rapport aux premiers éléments de guidage et parallèles à ceux-ci sont fixés entre les plaques terminales (32).
  6. Poutre lisseuse selon la revendication 1, caractérisée en ce que la structure de guidage d'extension (16) comporte deux plaques verticales (13) espacées perpendiculaires à la direction de guidage (Z) et deux tubes de guidage (36) fixés entre lesdites plaques verticales, qui se déplacent en étant guidés sur les deuxièmes éléments de guidage (34) de la sous-structure de guidage (17).
  7. Poutre lisseuse selon au moins l'une des revendications qui précèdent, caractérisée en ce que la longueur de support de guidage des premiers éléments de guidage (33) dans les tubes de guidage (31) de la structure de guidage de base (18) comporte environ un tiers de la somme des première et deuxième courses de levage (H1, H2) et environ deux tiers de ladite somme dans les tubes de guidage (36) de la structure de guidage d'extension (16).
  8. Poutre lisseuse selon les revendications 4 et 5, caractérisée en ce que les tubes de guidage (31) de la structure de guidage de base (18) et les premiers éléments de guidage (33) sont agencés essentiellement horizontalement les uns à côté des autres, et en ce qu'à côté de cela les tubes de guidage (36) de la structure de guidage d'extension (16) et les deuxièmes éléments de guidage (34) se trouvent agencés essentiellement verticalement les uns au-dessus des autres.
  9. Poutre lisseuse selon la revendication 1, caractérisée en ce que les dispositifs de réglage en hauteur (21) sont supportés à une extrémité par la structure de guidage d'extension (16) et à l'autre extrémité par la structure de châssis de tôle lisseuse (14), et en ce que les guidages verticaux (20) sont préférablement agencés sur des supports verticaux (35) pourvus sur les plaques verticales (13) de la structure de guidage d'extension (16).
  10. Poutre lisseuse selon la revendication 9, caractérisée en ce que les guidages verticaux (20) comportent des trous oblongs (43a) traversés par plusieurs axes de guidage (43) dans des corps de guidage (50) pour la structure de châssis de tôle lisseuse (14), et en ce que les trous oblongs (43a) sont préférablement recouverts par des tôles de recouvrement (51) fixées aux axes de guidage (43).
  11. Poutre lisseuse selon la revendication 1, caractérisée en ce que les dispositifs de réglage en hauteur (21) comportent deux tiges filetées (25) qui peuvent au moins être vissées dans des blocs filetés (26) fixés à la structure de guidage d'extension (16) et maintenues de façon rotative dans des blocs (27) fixés dans la structure de châssis de tôle lisseuse (14), et en ce qu'un entraînement commun (39) est associé aux tiges filetées (25), préférablement un moteur hydraulique ou un motoréducteur électrique monté sur la structure de châssis de tôle lisseuse (14).
  12. Poutre lisseuse selon la revendication 1, caractérisée en ce que la tôle lisseuse de poutre extensible (11) est divisée en une section d'articulation de berme (8) essentiellement parallèle à la charnière d'épaulement (7) dans une première section interne (11a) reliée à un châssis supérieur (14A) de la structure de châssis de tôle lisseuse (14) et en une deuxième section de berme (11b) externe et pivotante par rapport au châssis supérieur (14A).
  13. Poutre lisseuse selon la revendication 12, caractérisée en ce qu'au moins un actionneur de réglage d'angle de berme (37) est agencé sur la tôle lisseuse de poutre extensible (11) entre les sections (11a, 11b) ou entre des sections de châssis (14Ba, 14Bb) d'un châssis inférieur (14B) de la structure de châssis de tôle lisseuse (14).
  14. Poutre lisseuse selon la revendication 13, caractérisée en ce que l'actionneur de réglage d'angle de berme (37) comporte un vérin hydraulique ou une tige filetée, préférablement combiné avec un mécanisme à genouillère (55).
  15. Poutre lisseuse selon la revendication 1, caractérisée en ce que la tôle lisseuse de poutre extensible (11) est supportée de manière basculante par rapport à un châssis supérieur (14A) de la structure de châssis de tôle lisseuse (14), avec un châssis inférieur (14B) de la structure de châssis de tôle lisseuse (14) pour le réglage individuel d'un angle d'attaque de la poutre extensible (A) sur un axe d'articulation (65) essentiellement parallèle à la direction de déplacement (Z), préférablement dans une section de fixation utilisant l'élasticité de la tôle lisseuse de poutre extensible (11), et en ce qu'un dispositif de réglage d'angle d'attaque (23) est monté sur la structure de châssis de tôle lisseuse (14), qui agit au moins sur une première section (11a) de la tôle lisseuse de poutre extensible (11).
  16. Poutre lisseuse selon la revendication 15, caractérisée en ce que le dispositif de réglage d'angle d'attaque (23) comporte une tige filetée (41) qui peut être vissée dans un corps d'écrou (23) sur le châssis supérieur (14A) de la structure de châssis de tôle lisseuse (14) et qui est engagé avec une transmission (63, 64) montée dans le châssis supérieur (14A), qui est accouplée au moins doublement à la première section (11a) ou à une section de châssis (14Ba) du châssis inférieur (14B) de la tôle lisseuse de poutre extensible (11).
  17. Poutre lisseuse selon la revendication 12, caractérisée en ce que dans la section d'articulation de berme (8), un bord terminal arrondi convexe (74) d'une section (11a) s'engage avec un bord terminal arrondi concave (73) de l'autre section (11b), et en ce que des pièces de guidage arquées (59, 62) pour la zone d'articulation (8) s'engageant les unes dans les autres sont agencées sur les deux sections (11a, 11b) ou sur les sections de châssis (14Ba, 14Bb).
  18. Poutre lisseuse selon la revendication 12, caractérisée en ce qu'une protection latérale (9) est montée à l'extrémité externe du châssis supérieur (14A) de la structure de châssis de tôle lisseuse (14), et en ce que la deuxième section de berme (llb) de la tôle lisseuse de poutre extensible (11) dans la zone d'articulation (8) peut pivoter par rapport à la protection latérale (9).
  19. Poutre lisseuse selon la revendication 1 ou 12, caractérisée en ce qu'une structure de soc (15) est pourvue à l'extrémité de la tôle lisseuse de poutre extensible (11) dirigée vers la poutre de base (G) et sur la structure de châssis de tôle lisseuse (14), qui est définie par une section de bord (69) de la tôle lisseuse de poutre extensible (11) qui s'étend parallèlement à la direction de déplacement (R), une première surface de rejet (70) qui s'étend dans sa partie inférieure en oblique vers le haut et l'extérieur à partir de la section de bord (69), et au moins une deuxième surface de rejet adjacente (71) essentiellement verticale, qui s'étend de l'intérieur en oblique vers le haut à l'opposé de la direction de déplacement (R), dans laquelle les surfaces de rejet (70, 71) sont agencées avec un angle l'une par rapport à l'autre ou sont assemblées selon une courbure.
  20. Poutre lisseuse selon la revendication 1, caractérisée en ce que le premier actionneur horizontal (19) est agencé dans la poutre de base (G) et s'engage avec le châssis à plaques (30) de la structure de guidage de base (18) ainsi qu'avec une plaque terminale (32) de la sous-structure de guidage (17), et en ce que le deuxième actionneur horizontal (29) est agencé entre le châssis à plaques (30) de la structure de guidage de base (18) et une plaque verticale (13) de la structure de guidage d'extension (16).
  21. Poutre lisseuse selon la revendication 5, caractérisée en ce que les deux premiers éléments de guidage (33) et un des deux deuxièmes éléments de guidage (34) de la sous-structure de guidage (17) sont essentiellement agencés dans un plan horizontal commun.
  22. Poutre lisseuse selon au moins l'une des revendications qui précèdent, caractérisée en ce que la poutre de base (G) comporte deux supports de connexion (3') pour des longerons de traction (2), en ce que chaque support de connexion (3') peut pivoter dans la poutre de base (G) autour d'un axe (47) orienté de façon essentiellement perpendiculaire à la direction de déplacement (R) et horizontale, et en ce qu'un dispositif de réglage d'angle d'attaque (48) est pourvu entre la poutre de base (G) et le support de connexion (3').
  23. Poutre lisseuse selon au moins l'une des revendications qui précèdent, caractérisée en ce que la poutre de base (G) est divisée en deux éléments de poutre de base de largeur essentiellement égale reliées de façon pivotante autour d'un axe (74) essentiellement parallèle à la direction de déplacement (R), et en ce qu'un dispositif de réglage de profil de toit (73) est pourvu entre les éléments de poutre de base, moyennant quoi l'axe (74) est préférablement un point de flexion souhaité dans la tôle lisseuse de poutre de base (10) ininterrompue.
  24. Poutre lisseuse selon au moins l'une des revendications qui précèdent, caractérisée en ce que la largeur de la structure de guidage d'extension (16) vue selon la direction de déplacement (Z) est inférieure à la largeur de la sous-structure de guidage (17) vue selon la direction de glissement (Z) et à la largeur de la structure de châssis de tôle lisseuse (14).
EP09002132A 2009-02-16 2009-02-16 Poutre lisseuse Active EP2218824B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09002132A EP2218824B1 (fr) 2009-02-16 2009-02-16 Poutre lisseuse
US12/435,644 US8221026B2 (en) 2009-02-16 2009-05-05 Paving screed
CN200910165203.5A CN101806030B (zh) 2009-02-16 2009-08-13 铺路整平板
JP2010015169A JP5727143B2 (ja) 2009-02-16 2010-01-27 舗装スクリード

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Application Number Priority Date Filing Date Title
EP09002132A EP2218824B1 (fr) 2009-02-16 2009-02-16 Poutre lisseuse

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EP2218824A1 EP2218824A1 (fr) 2010-08-18
EP2218824B1 true EP2218824B1 (fr) 2012-12-26

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CN101806030B (zh) 2014-12-17
US20100209190A1 (en) 2010-08-19
JP2010190031A (ja) 2010-09-02
EP2218824A1 (fr) 2010-08-18
JP5727143B2 (ja) 2015-06-03
CN101806030A (zh) 2010-08-18

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