EP0143043B1 - Gleitschalungsfertiger mit zwei Formplatten zum Erstellen von Betonstrassendecken - Google Patents

Gleitschalungsfertiger mit zwei Formplatten zum Erstellen von Betonstrassendecken Download PDF

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Publication number
EP0143043B1
EP0143043B1 EP84402278A EP84402278A EP0143043B1 EP 0143043 B1 EP0143043 B1 EP 0143043B1 EP 84402278 A EP84402278 A EP 84402278A EP 84402278 A EP84402278 A EP 84402278A EP 0143043 B1 EP0143043 B1 EP 0143043B1
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EP
European Patent Office
Prior art keywords
extrusion plate
concrete
fact
per
machine
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.)
Expired
Application number
EP84402278A
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English (en)
French (fr)
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EP0143043A3 (en
EP0143043A2 (de
Inventor
Jean-Pierre Augoyard
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GTM Entrepose SA
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GTM Entrepose SA
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Filing date
Publication date
Priority claimed from FR8318284A external-priority patent/FR2555211B1/fr
Application filed by GTM Entrepose SA filed Critical GTM Entrepose SA
Priority to AT84402278T priority Critical patent/ATE47175T1/de
Publication of EP0143043A2 publication Critical patent/EP0143043A2/de
Publication of EP0143043A3 publication Critical patent/EP0143043A3/fr
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Publication of EP0143043B1 publication Critical patent/EP0143043B1/de
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/04—Devices for laying inserting or positioning reinforcing elements or dowel bars with or without joint bodies; Removable supports for reinforcing or load transfer elements; Devices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed reinforcements
    • 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

Definitions

  • the present invention relates to a sliding formwork machine for making concrete pavements, of the type comprising a main frame provided with contact members with the ground spaced transversely and allowing it to advance on the ground, two lateral shutters spaced transversely and extending longitudinally between the members in contact with the ground, a main extrusion plate extending transversely between the lateral forms and forming with them a sliding form in the form of a tunnel for the extrusion of a mass of concrete and the molding thereof into a thick slab as the machine advances, the main extrusion plate being mounted vertically movable relative to the main chassis, adjustment means mounted between the main chassis and the main plate extrusion to adjust the height thereof relative to the ground and, consequently, the thickness of the slab to a chosen value, means of supply mentation and distribution of concrete arranged at the front of the main frame to deliver said mass of concrete on the ground in front of the main extrusion plate, and guide elements spaced transversely in front of said main extrusion plate for guide longitudinal reinforcement to be embedded in the concrete
  • Slip formwork machines are well known (see US Patents 4,073,592, US 4,312,602, US 4,025,217, US 3,177,784 and DE 2,108,846).
  • machines of the “Guntert and Zimmerman” type are known in particular. They are described in particular by Messrs RAY and CHA-RONNAT on pages 99 to 132 of the Liaison Bulletin of the Laboratory of Bridges and Roads, n ° 95, from May-June 1968, reference 2 231. They make it possible to make concrete pavements, armed or not, at high rates of up to 200 m 3 per hour with a minimum of human intervention. If the concrete is not reinforced, the concrete is poured directly in front of the machine by means of trucks.
  • the reinforcements are placed in front of the machine as it advances.
  • the trucks no longer have direct access to the extrusion plate of the machine and it is mandatory to have recourse to a lateral feed (see Figure 9, page 104, in the aforementioned Bulletin), composed a laterally offset receiving hopper to receive the concrete from the trucks, and a feed and distribution belt to transport the concrete from the receiving hopper and distribute it in front of the extrusion plate.
  • a lateral feed see Figure 9, page 104, in the aforementioned Bulletin
  • the longitudinal reinforcements must be positioned at regular intervals in the transverse direction over the entire width of the surface to be concreted and adjusted in height by elements called "spacers" serving both as reinforcements transverse and support for longitudinal reinforcement.
  • the object of the present invention is to remedy these drawbacks by positioning the longitudinal reinforcements, in height and in separation, only in the immediate vicinity of the extrusion plate, without using spacers.
  • the machine according to the present invention is characterized in that it comprises an additional extrusion plate which extends transversely between the lateral forms and which is located at a distance in front of the main extrusion plate and at a height from the ground which is lower than that of the main extrusion plate, in that the concrete supply and distribution means are arranged to deliver a mass of concrete on the ground also in front of the plate additional extrusion, and in that said guide elements comprise a first set of guide elements, which are mounted under the additional extrusion plate.
  • the present invention is based on the observation that the concrete layer obtained at the outlet of an extrusion plate is sufficiently compact and hard to support the weight of objects placed on it.
  • the additional extrusion plate (first extrusion plate considering the direction of advance of the machine) which is located one or two meters in front of the main extrusion plate (second extrusion plate considering the direction of advance of the machine), allows to create a first compact and hard concrete layer which can support reinforcements in steel wire or any other inserts to be embedded in the final concrete slab, such as for example synthetic materials, paints, waterproofing or other products for strengthening the concrete structure or improving certain properties of the concrete structure.
  • the main extrusion plate then makes it possible to mold a second layer of concrete, over the first layer of concrete and the inserts placed on it, and to achieve the total thickness of concrete desired for the final slab. Under these conditions, it becomes possible to dispense with the spacers which were previously necessary to support the longitudinal reinforcement at the desired height. As a result, the problem of installing spacers over the entire width of the surface to be concreted is completely eliminated.
  • transverse reinforcements For positioning the longitudinal reinforcement at regular intervals over the entire width of the surface to be concreted and for positioning it at the desired height, it suffices to provide guide elements, spaced transversely, which are fixed to the additional extrusion plate substantially in the plane of its underside or below it.
  • a distributor of transverse reinforcements can be provided immediately behind the additional extrusion plate for depositing transverse reinforcements on the longitudinal reinforcements, across them, one by one at a rate depending on the speed of advance of the machine.
  • the machine represented in FIGS. 1, 4 and 5 comprises a main chassis 1 provided with two tracks 2 which are driven by a motor (not shown) and which allow the machine to advance on the ground, two lateral forms 3, located respectively near the tracks 2, and a main extrusion plate 4, which extends transversely between the side forms 3 and which forms with them a sliding form in the form of a tunnel.
  • the main extrusion plate 4 is carried by an auxiliary chassis 5 which is mounted vertically movable relative to the main chassis 1 and whose height position can be adjusted by means of four hydraulic cylinders 6 (only two of the cylinders 6 are visible in Figure 4).
  • a servo system (not shown) which comprises wires stretched above the ground on each side of the machine and feelers in contact with the wires and which acts on the supply of hydraulic fluid to the jacks 6, makes it possible to maintain the auxiliary frame 5 and, consequently, the main extrusion plate 4 at a predetermined level by the tensioned wires and thus guarantee the uniformity of the upper surface of the concrete slab molded by the machine despite the irregularities of the ground encountered by the tracks 2 during the advance of the machine.
  • the machine shown in Figures 1, 4 and 5 further comprises a lateral feed device 7 for bringing concrete to the front of the main extrusion table 4 and for distributing it over the entire width of the latter between the side forms 3.
  • the lateral feed device 7 comprises an auxiliary frame 8, the rear end of which is connected to the main frame 1 and the front end of which is provided with two wheels 9, a receiving hopper 11 which extends laterally outward from one side of the front part 8a of the auxiliary frame 8, another hopper 12 mounted in the front part of the auxiliary frame 8 between the wheels 9, an endless belt 13 for transporting concrete from the receiving hopper 1 f into the hopper 12, and an endless distributor belt 14 for transporting the concrete backwards from the hopper 12 to a location in front of the main extrusion table 4.
  • the distributor belt 14 is pivotally mounted on the auxiliary chassis 8 by means of a hinge 15 with a vertical axis and which can move relative to the auxiliary chassis. link 8 in the longitudinal direction of the machine.
  • the other end of the distributor belt 14 is suspended from the cables 16 from a carriage 17 which can be moved by drive means (not shown) in a reciprocating movement along a transverse gantry 18 which is part of the auxiliary chassis 8 .
  • a ramp of vibrating needles 19 capable of emulsifying the concrete when they are vibrated, is mounted just in front of the main extrusion plate 4.
  • the machine further comprises an additional extrusion plate 21, which extends transversely between the side forms 3 approximately 1 to 2 meters in front of the main extrusion plate 4 and, of course, in front of the ramp of vibrating needles 19.
  • Another ramp of vibrating needles 22, identical to the ramp 19, is mounted in front of the extrusion plate 21.
  • the tubes 23 extend (generally forwards beyond the area in which the mass of concrete is poured on the ground by the distributor belt 14, and they are fixed in their front part to a transverse vertical plate 25 ( Figure 1), which delimits the aforementioned area forward and which is fixed to the side forms 3. As shown in Figure 3, the tubes 23 extend rearward to the rear edge of the extrusion plate 21.
  • the extrusion plate 21 is carried by an auxiliary frame 26 ( Figure 3) which is mounted vertically movable between the side forms 3 by means of slides (not shown). Screw jacks (not shown), carried by the side forms 3 and which can be actuated manually or automatically by motors, make it possible to adjust the height position of the auxiliary frame 26 and, consequently, the height position of the plate d extrusion 21 and tubes 23 relative to the ground, therefore the thickness of the layer of concrete extruded and molded by the extrusion plate 21.
  • the loader 27 is essentially constituted by a casing 29 which extends over the entire width of the extrusion table 21 between the side forms 3 and which is provided, at its upper part with a pivoting cover 31 making it possible to introduce therein a reserve of transverse reinforcements 28.
  • the casing 29 has an opening 32 located just behind the rear edge of the extrusion plate 21 and the rear orifice of the tubes 23.
  • the opening 32 is provided with a hatch or valve (not shown) which is repeatedly opened and closed by appropriate control members at a rate depending on the speed of advance of the machine, in order to deposit the transverse reinforcements 28 one by one on the longitudinal reinforcements 24 with a predetermined spacing.
  • a hatch or valve (not shown) which is repeatedly opened and closed by appropriate control members at a rate depending on the speed of advance of the machine, in order to deposit the transverse reinforcements 28 one by one on the longitudinal reinforcements 24 with a predetermined spacing.
  • the auxiliary chassis 8 has, in its front part 8a, a width that is narrower than the distance between the side forms 3. Under the front part 8a of the auxiliary chassis 8 are fixed other tubes or trumpets 33, spaced transversely, to guide the longitudinal reinforcements 24.
  • the number of tubes 33 is equal to the number of tubes 23 of the first set of tubes, and they are divided into two groups, namely a first group of tubes 33a which are spaced transversely over the entire width between the wheels 9 and which are axially aligned with corresponding tubes of the first set of tubes 23, and a second group of tubes 33b, which correspond to the remaining tubes of the first set of tubes 23 and which are offset relative to these remaining tubes towards the longitudinal median axis of the machine so as to also be between the wheels 9 of the auxiliary chassis 8.
  • the second group of tubes 33b is located in front of the first group of tubes 33a.
  • the machine further comprises a deflector 34, which is located immediately behind the discharge end of the distributor belt 14 and which can pivot around a transverse horizontal axis 35 between a first position (shown in line solid in Figure 1), in which the concrete from the distributor belt 14 is directed towards the main extrusion plate 4, and a second position (shown in phantom in Figure 1) in which the concrete is directed towards the plate extrusion 21.
  • the deflector 34 can be pivotally mounted either on the support structure of the conveyor belt. tor 14, in which case the deflector 34 has substantially the same width as the distributor belt 14, ie on the auxiliary frame 8, in which case the deflector 14 extends over the entire width between the side forms 3.
  • the trucks come in reverse and unload the concrete into the receiving hopper 11.
  • the concrete is then transported by the feed belt 13 to the hopper 12 from where it is transported by the distributor belt 14 which distributes it, in combination with the deflector 34, either in front of the main extrusion table 4, or in front of the additional extrusion table 21.
  • FIG. 2a shows the first layer of concrete 36 being formed by the extrusion table 21.
  • the longitudinal reinforcements 24 are respectively supported by the tubes 23 in which they slide freely.
  • FIG. 2b is a theoretical cross section of the first layer of concrete 36 in the interval between the two extrusion tables 21 and 4.
  • the longitudinal reinforcements 24 are deposited in the hollow impressions 37 left by the tubes 23 during the previous phase.
  • the longitudinal reinforcements 24 are thus perfectly positioned in height h and in spacing e.
  • the transverse reinforcements 28 are deposited one by one by the loader 27 and are also perfectly positioned at regular intervals in the longitudinal direction by the loader 27. All the longitudinal and transverse reinforcements 24 and 28 then rest on the first layer of concrete 36 exiting from the extrusion plate 21 before entering the inter-plate area for bringing and vibrating the concrete in front of the main extrusion plate 4.
  • FIG. 2c shows the second layer of concrete 38 being formed by the main extrusion plate 4.
  • the second layer 38 is extruded and molded above the first layer 36 so as to reach the total thickness H desired for the reinforced concrete slab and, simultaneously, the longitudinal and transverse reinforcements 24 and 28 are embedded between the two layers 36 and 38.
  • the height of the extrusion plate 21 is for example Example set in such a way that the height h at which the longitudinal reinforcement 24 is located is approximately equal to half the thickness H of the final reinforced concrete slab.
  • the additional extrusion plate 21 and the auxiliary chassis 26 which supports it have a height significantly lower than the height of the main extrusion plate 4 and of the auxiliary chassis 5.
  • the additional extrusion plate 21 has, in its front part and in its upper part, a wedge shape. This reduced height and this wedge shape allow the excess concrete which is in front of the additional extrusion plate 21 to pass over the latter towards the action zone of the main extrusion table 4. This allows to balance the pressures exerted on the top and on the bottom of the additional extrusion plate 21 and thus gain on the inertia of the structure. This results in a gain in the weight of the material and in the penetration forces into the mass of concrete to be extruded.
  • the sliding formwork machine of the present invention makes it possible to dispense with the spacers which were previously necessary to support the longitudinal reinforcement 24 and which served at the same time as transverse reinforcement, all the longitudinal reinforcement 24, including the lateral reinforcement , can be brought back between the wheels 9 of the auxiliary chassis 8 of the lateral feed device.
  • This makes it possible to reduce the width of the area occupied by the longitudinal reinforcements 24 at the front of the machine and, consequently, to facilitate the movement of trucks.
  • the lateral feed device 7 shown in FIGS. 1, 4 and 5 has, in its front part 8a, a width equal to that of the previously known lateral feed devices, it could have an even smaller width.
  • the longitudinal reinforcements 24 would then be brought to the front of the machine over an area of even narrower width and the receiving hopper 11 could then be practically entirely within the width of the area between the two tracks 2.
  • the machine could work on construction sites where the space available is even narrower.
  • the sliding formwork machine of the present invention has two extrusion plates, it allows, with a few modifications which will be described below with reference to Figures 6 to 8, to deposit one on the other two different layers of concrete, with or without reinforcement, whereas previously, it was necessary to use two separate machines working one behind the other to perform this operation.
  • the machine represented in FIGS. 6 and 8 is practically identical to that represented in FIGS. 1, 4 and 5, except that its lateral feeding device 7 comprises another receiving hopper 41, fixed to the front part 8a of the auxiliary chassis 8 and extending laterally outward from the other side thereof, a hopper 42 disposed next to the hopper 12, and another endless belt 43, which extends transversely from a location at the - below the receiving hopper 41 to a location above the hopper 42.
  • the hoppers 12 and 42 could be constituted by a single hopper divided by a longitudinal central wall.
  • the distributor belt 14 is divided into two parts 14a and 14b which extend longitudinally side by side. Part 14a of the distributor belt extends from a location below the hopper 12 to a location adjacent to the extrusion plate 21, in front of it, while part 14b of the distributor belt s 'extends from a location below the hopper 42 to a location adjacent to the extrusion plate 4, in front thereof.
  • a fixed deflector plate 44 (FIG.
  • the tubes 23 provided for guiding the longitudinal reinforcements 24 are mounted under the additional extrusion plate 21 substantially in the plane of its lower face. However, they can be mounted at a distance below the plate 21 so that the longitudinal reinforcements 24 are embedded at the desired depth in the first layer of concrete formed by the plate 21.
  • FIGS. 9 to 13 the elements which are identical or which have the same function as those which have been described in connection with FIGS. 1 to 5 are designated by the same reference numbers and will therefore not be described again in detail here. .
  • each guide element 23 is constituted by two short semi-cylindrical profiles or half-tubes 23a and 23b arranged one after the other with their concavities turned towards the longitudinal reinforcement 24 which they must guide, so that, seen along the axis of the reinforcement 24, the two sections 23a and 23b completely surround the reinforcement 24 (see also FIG. 11).
  • the total length of the two semi-cylindrical sections 23a and 23b is less than the length of the additional extrusion plate 21.
  • the semi-cylindrical section 23a can extend forward to a point located behind the vibrators 22 , but in the zone of action of said vibrators, while the semi-cylindrical profile 23b may extend rearward to a point situated outside the zone of action of said vibrators, but in front of the rear edge of the plate additional extrusion 21.
  • each section 23a or 23b is welded by its longitudinal edge higher than the lower edge of a vertical and longitudinal plate 52a or 52b, which is itself welded by its upper edge to the lower face of the corresponding plate 51a or 51 b.
  • the two plates 52a and 52b to which the profiles 23a and 23b of the same guide element are fixed are located in the same vertical plane and have a height h equal to the depth at which it is desired to drown the longitudinal reinforcements in the first layer of concrete formed by the additional extrusion plate 21.
  • the height h may be zero and, in this case, the sections 23a and 23b are welded directly to the plates 51 a and 51 b, respectively.
  • the additional extrusion plate 21 has, in its lower face, a cavity 53 capable of receiving the plates 51 a and 51 b so that, when they are engaged in said cavity, their lower faces are flush with that of the additional extrusion plate 21 and cooperate with the latter for the extrusion of the concrete.
  • At least one of the two plates 51 a and 51 b is mounted movable relative to the additional extrusion plate 21 to allow the release of the longitudinal reinforcements in a manner which will now be described.
  • the two plates 51a and 51b are mounted movable relative to the additional extrusion plate 21.
  • the two plates 51 a and 51 b are suspended to a horizontal and transverse beam 54 respectively by connecting rods 55a and 55b whose axes of articulation are parallel to the longitudinal axis of the machine.
  • the beam 54 is itself connected to the piston rods of at least two hydraulic cylinders 56 (a single cylinder is visible in Figures 9, 11 and 12), the cylinders of which are connected at 57 to the chassis of the additional plate d 'extrusion 21.
  • the cylinders 56 may be double-acting cylinders or single-acting cylinders associated with springs to urge and maintain the beam 54 in a high position in which the plates 51 a and 51 b are embedded in the cavity 53 , that is to say in the normal working position in which the plates 51 a and 51 b cooperate with the additional extrusion plate to form the first layer or lower layer of concrete, while the guide elements 23 guide the longitudinal reinforcements 24.
  • the jacks 56 are actuated so as to lower the beam 54 and, consequently, to remove the plates 51a and 51b from the cavity 53.
  • the plates 51a and 51b can ent then be moved transversely respectively in direc opposite positions, as shown in FIG. 12, so as to separate the sections 23a from the sections 23b and, consequently, to release the longitudinal reinforcements 24.
  • the transverse displacement of the plates 51 a and 51 b can be carried out manually or, as shown in FIG. 12, using hydraulic cylinders 58a and 58b, respectively, which are mounted between the beam 54, on the one hand, and one of the connecting rods 55a and one of the connecting rods 55b, on the other hand , respectively.
  • the positioning of the longitudinal reinforcements in the respective guide elements 23 can be carried out by a reverse succession of the operations described above.
  • each pair of profiles 23a and 23b ensures perfect guidance of the corresponding longitudinal reinforcement 24 without risk of jamming thereof although, in operation, concrete inevitably penetrates into the profiles semi-cylindrical 23a and 23b. Indeed, as these profiles are open on one side, there is a self-cleaning of said profiles as a result of their relative movement relative to the longitudinal frames 24 during the advance of the machine.
  • the plates 51 a and 51 b are detachably connected to the connecting rods 55a and 55b.
  • the plate 51 a or the plate 51b or the two plates by one or two other plates fitted with new profiles or by two other plates to which the profiles 23a and 23b are fixed by plates 52a and 52b whose height has another value corresponding to the desired depth.
  • the two plates 51 a and 51 may have a length such that each of them extends transversely over the entire distance between the two side forms of the machine, that is to say over the width of the concrete pavement to be form.
  • each of the two plates 51 a and 51 b is in fact subdivided into two or more elementary plates arranged end to end in the transverse direction. The length and the number of elementary plates can then be chosen according to the different widths of the concrete pavements to be formed.
  • the sliding formwork machine of the present invention also includes at least one support roller 59 which is rotatably mounted on a horizontal and transverse shaft 61 immediately in front of the area into which the mass of concrete is poured by the supply and distribution means 14 in front of the additional extrusion plate 21, an area which is delimited forwards by the plate 25.
  • Each roller 59 is constituted by a tube disposed on the shaft 61, which is supported at its two ends by brackets 62 welded or otherwise fixed to the plate 25.
  • the shaft 61 can slide axially in the roller 59 and in aligned holes in the brackets 62 after removal of a retaining pin 63
  • the roller 59 can be removed to release the longitudinal reinforcements 24.
  • the roller 59 is mounted so that its upper surface is located uée substantially at the axis of the profiles 23a and 23b to support the longitudinal reinforcement at the desired height before they are guided by said profiles.
  • the machine further comprises spacing rollers 64 with vertical axes, which are rotatably mounted at the lower part of the plate 25 near the roller or rollers 59.
  • the rollers 64 are spaced from each other in the transverse direction of a predetermined distance corresponding to the desired spacing for the longitudinal reinforcements 24, this spacing being the same as that of the guide elements 23.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Claims (20)

1. Gleitschalungsfertiger zum Erstellen von Betonstraßendecken, mit : einem Hauptgestell (1), des mit transversal voneinander einen Abstand aufweisenden Bodenberührungsorganen (2) ausgestattet ist, die ihm eine Fortbewegung auf dem Boden erlauben ; zwei seitlichen, transversal voneinander einen Abstand aufweisenden Schalungen (3), die sich zwischen den Bodenberührungsorganen (2) in der Längsrichtung erstrecken ; einer Hauptformplatte (4), die sich transversal zwischen den seitlichen Schalungen (3) erstreckt und mit diesen eine tunnelförmige Gleitschalung bildet zur Austragung einer Betonmasse und deren kontinuierlichen Formung während der Fortbewegung der Maschine zu einer dicken Betonplatte, wobei die Hauptformplatte (4) relativ zum Hauptgestell (1) vertikal beweglich montiert ist; Einstellvorrichtungen (6) zwischen dem Hauptgestell und der Hauptformplatte zur Bodenabstandverstellung dieser Hauptformplatte und damit zur Einstellung eines vorgewählten Wertes der Betonplattendicke ; einer am Vorderteil des Hauptgestells (1) angebrachten Betonbeschickungs- und -verteilvorrichtung (7) zum Bringen der Betonmasse vor die Hauptformplatte (4) ; und Führungselementen (23), die sich mit transversalen Abständen vor der Hauptformplatte befinden, um in die Betondecke einzugießende Längsarmierungen (24) zu führen ; dadurch gekennzeichnet, daß er eine Zusatzformplatte (21) aufweist, die sich transversal zwischen den seitlichen Schalungen (3) erstreckt, sich mit einem gewissen Abstand vor der Hauptformplatte (4) befindet und einen geringeren Bodenabstand als diese Hauptformplatte hat, daß die Betonbeschickungs- und -verteilvorrichtung (7) so konstruiert ist, daß sie eine Betonmasse auf den Boden auch vor die Zusatzformplatte (21) liefert, und daß die Führungselemente einen ersten Satz von Führungselementen (23) umfassen, die unter der Zusatzformplatte (21) angebracht sind.
2. Fertiger nach Anspruch 1, dadurch gekennzeichnet, daß er eine erste Reihe von Rüttlern (19) in dem Zwischenraum zwischen den beiden Formplatten (4 und 21) und eine zweite Reihe von Rüttlern (22) vor der Zusatzformplatte (21) aufweist.
3. Fertiger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Führungselemente (23) aus Rohren bestehen, die an der Zusatzformplatte (21) etwa in einer Ebene mit deren unteren Fläche befestigt sind und die in Längsrichtung nach vorne bis jenseits jener Zone reichen, in der die Betonmasse von der Beschickungs- und Verteilvorrichtung (7) vor die Zusatzformplatte (21) geliefert wird.
4. Fertiger nach Anspruch 3, dadurch gekennzeichnet, daß die Rohre (23) nach hinten bis zum hinteren Rand der Zusatzformplatte (21) reichen.
5. Gleitschalungsfertiger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jedes Führungselement (23) zwei halbzylindrischen Profilteile (23a und 23b) umfaßt, die längs hintereinander links und rechts einer gemeinsamen Längsachse so angebracht sind, daß ihre Hohlseite zu dieser Achse gerichtet ist.
6. Gleitschalungsfertiger nach Anspruch 5, dadurch gekennzeichnet, daß die gesamte Länge der beiden halbzylindrischen Profilteile (23a und 23b) kleiner ist als die Länge der Zusatzformplatte (21).
7. Gleitschalungsfertiger nach Anspruch 6, dadurch gekennzeichnet, daß das vordere halbzylindrische Profilteil. (23a) nach vorne bis hinter die vor der Zusatzformplatte (21) befindlichen Rüttler reicht, aber noch bis in deren Wirkungskreis, während das hintere halbzylindrische Profilteil (23b) nach hinten bis außerhalb des Wirkungskreises der Rüttler, aber bis vor den hinteren Rand der Zusatzformplatte reicht.
8. Gleitschalungsfertiger nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß die vorderen halbzylindrischen Profilteile (23a) mit ihrer Hohlseite in einer ersten Richtung orientiert und fest mit der unteren Fläche einer horizontalen und transversalen Platte (51 a) verbunden sind, während die hinteren halbzylindrischen Profilteile (23b) mit ihrer Hohlseite in einer zur ersten Richtung entgegengesetzten Richtung orientiert und fest mit der unteren Fläche einer zweiten horizontalen und transversalen Platte (51 b) verbunden sind.
9. Gleitschalungsfertiger nach Anspruch 8, dadurch gekennzeichnet, daß der obere Längsrand jedes halbzylindrischen Profilteils (23a oder 23b) an einem vertikal in Längsrichtung angeordneten Flachteil (52a oder 52b) angeschweißt ist, welches eine bestimmte Höhe « h » besitzt und selbst an der unteren Fläche der horizontalen und transversalen Platte (51a oder 51b) angeschweißt ist.
10. Gleitschalungsfertiger nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß wenigstens eine der ersten und der zweiten horizontalen und transversalen Platten (51a und 51 b) beweglich zu der Zusatzformplatte (21) angebracht ist, um die Längsarmierungen (24) freigeben zu können.
11. Gleitschalungsfertiger nach Anspruch 10, dadurch gekennzeichnet, daß die Zusatzformplatte (21) eine Ausnehmung (53) zum Aufnehmen der genannten ersten und zweiten Platten (51a und 51 b) in ihrer unteren Seite so aufweist, daß diese Platten, wenn sie in der Ausnehmung sitzen, mit ihrer unteren Fläche eine Ebene mit der unteren Fläche der Zusatzformplatte bilden und mit dieser zum Abziehen der Betonmasse zusammenwirken ; daß er außerdem einen horizontalen und transversalen Balken (54), der sich oberhalb der ersten und zweiten Platten (51a und 51b) befindet, und eine zwischen dem Gestell der Zusatzformplatte und dem Balken angebrachten Hebevorrichtung (56) aufweist ; und daß jede der ersten und zweiten Platten (51a und 51b) mit diesem Balken (54) über Gelenkstangen (55a oder 55b) verbunden ist, deren Schwenkachsen parallel zu der Längsachse des Fertigers verlaufen.
12. Gleitschalungsfertiger nach Anspruch 11, dadurch gekennzeichnet, daß jede der beiden Platten (51 a und 51b) mit den dazugehörenden Gelenkstangen (55a oder 55b) lösbar verbunden ist.
- 13. Gleitschalungsfertiger nach einem der Ansprüche 5 bis 12, dadurch gekennzeichnet, daß er wenigstens eine Aufstützrolle (59) aufweist, die drehbar auf einer horizontalen und transversalen Welle (61) unmittelbar vor der Zone, in der die Betonmasse durch die Beschickungs- und Verteilvorrichtung (14) vor die Zusatzformplatte (21) gebracht wird, montiert ist, wobei die obere Fläche der Aufstützrolle (59) im wesentlichen in einer Ebene mit der Achse der halbzylindrischen Profilteile (23a und 23b) steht, um die Längsarmierungen (24) in der gewünschten Höhe zu halten, bevor sie durch die halbzylindrischen Profilteile geführt werden, und daß diese Welle (61) auf lösbare Weise von Stützen (62), die in transversalen Abständen stehen und mit dem Gestell (25) fest verbunden sind, getragen wird.
14. Gleitschalungsfertiger nach Anspruch 13, dadurch gekennzeichnet, daß er außerdem Abstandsrollen (64) mit vertikalen Achsen aufweist, die in der Nähe der Aufstützrolle (59) drehbar auf dem Gestell. (25) und in gegenseitigen gegebenen Abständen entsprechend den gewünschten Abständen der Längsarmierungen (24) montiert sind.
15. Fertiger nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß er ein unmittelbar hinter der Zusatzformplatte (21) angebrachtes Magazin (27) aufweist, das dazu dient, Querarmierungen (28) quer auf die Längsarmierungen (24) zu setzen mit einer Taktzahl, die in Abhängigkeit zu der Vorwärtsbewegungsgeschwindigkeit des Fertigers steht.
16. Fertiger nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Betonbeschickungs- und -verteilvorrichtungen (7) in bekannter Weise ein Zusatzgestell (8) umfassen, dessen hintere Partie mit dem Hauptgestell (1) verbunden ist und dessen vordere Partie (8a) eine geringere Breite als der Abstand zwischen den seitlichen Schalungen (3) aufweist, wobei das vordere Ende des Zusatzgestelles (8) mit einem Fahrwerk mit Rädern (9) versehen ist, deren transversaler Abstand geringer ist als der Abstand zwischen den seitlichen Schalungen (3), ferner ein erstes Silo (11), nämlich ein Beschickungssilo, der an dem Vorderteil (8a) des Zusatzggestelles (8) fixiert ist und sich seitlich nach außen erstreckt, ein zweites Silo (12), nämlich ein Zwischensilo, der auf dem Vorderteil (8a) des Zusatzgestelles (8) und zwischen dessen Rädern (9) montiert ist, ein Förderteil (13), das sich von einer unter dem ersten Silo (11) bis zu einer über dem zweiten Silo (12) befindlichen Stelle transversal erstreckt, eine Förder- und Verteilvorrichung (14), die sich von einer unter dem zweiten Silo (12) befindlichen Stelle in Längsrichtung nach hinten bis zu einer nahe der Zusatzformplatte (21) befindlichen Stelle erstreckt, wobei die Förder- und Verteilvorrichtung (14) an ihrem unter dem zweiten Silo (12) befindlichen Teil um eine vertikale Achse drehbar montiert ist, und Querbewegungsvorrichtungen (17), umfaßt, die am anderen Ende der Förder- und Verteilvorrichtung (14)- angreifen, um diese in eine Pendelbewegung zwischen den beiden seitlichen Schalungen (3) hin- und herzuschwenken.
17. Fertiger nach Anspruch 16, dadurch gekennzeichnet, daß er einen Satz Führungsrohre (33) für die Längsarmierung (24) in gleicher Anzahl wie die Führungselemente (23) aufweist, die sich in transversalen Abständen in Längsrichtung unter dem Vorderteil (8a) des Zusatzgestells (8), an dem sie fixiert sind, erstrecken, wobei der zweite Satz Rohre eine erste Rohrgruppe (33a), die zwischen den Rädern (9) des Zusatzgestelles (8) und in axialer Ausrichtung zu den gegenüberliegenden Rohren des ersten Rohrsatzes (23) angeordnet ist, und eine zweite Rohrgruppe (33b), die den restlichen Rohre des ersten Rohrsatzes (23) entspricht, und gegenüber diesen in Richtung zur Mittel-Längsachse des Fertigers versetzt sind, so daß auch sie zwischen den Rädern (9) des Zusatzgestelles (8) Platz finden, umfaßt.
18. Fertiger nach Anspruch 17, dadurch gekennzeichnet, daß die Rohre (33b) der zweiten Rohrgruppe vor den Rohren (33a) der ersten Rohrgruppe angeordnet sind.
19. Fertiger nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß die Betonbeschickungs- und -verteilvorrichtung (7) einen hinter dem Ende der Förder- und Verteilvorrichtung (14) angebrachten Umlenker (34) aufweist, der zwischen einer ersten Position, in der die von der Förder- und Verteilvorrichtung (14) gelieferte Betonmasse zur Hauptformplatte, und einer zweiten Position, bei der die Betonmasse zur Zusatzformplatte (21) umgelenkt wird, verschwenkbar ist.
20. Fertiger nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß die Betonbeschickungs- und -verteilvorrichtung (7) einen dritten am Vorderteil (8a) des Zusatzgestelles (8) befestigten Silo (41), nämlich einen Be-- schickungssilo, der sich von seiner zur Mitte gerichteten Seite seitwärts aus nach außen erstreckt, einen vierten, neben dem zweiten Silo (12) angebrachten Silo (42), nämlich einen Zwischensilo, und einen weiteren Förderer (43), der transversal von einer Stelle unterhalb des dritten Silos (41) bis zu einer Stelle oberhalb des vierten Silos (42) läuft, aufweist, und daß die Förder- und Verteilvorrichtung (14) aus zwei Teilen (14a und 14b) besteht, die Seite an Seite nebeneinander in der Längsrichtung verlaufen, wobei das eine Teil (14a) von einer Stelle unterhalb des zweiten Silos (12) bis zu einer Stelle im Bereich der Zusatzformplatte (21) vor dieser, und das andere Teil (14b) von einer Stelle unterhalb des vierten Silos (42) bis zu einer Stelle im Bereich der Hauptformplatte (4) vor dieser verläuft.
EP84402278A 1983-11-17 1984-11-12 Gleitschalungsfertiger mit zwei Formplatten zum Erstellen von Betonstrassendecken Expired EP0143043B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402278T ATE47175T1 (de) 1983-11-17 1984-11-12 Gleitschalungsfertiger mit zwei formplatten zum erstellen von betonstrassendecken.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8318284A FR2555211B1 (fr) 1983-11-17 1983-11-17 Machine a coffrage glissant a deux plaques d'extrusion pour la confection de chaussees en beton
FR8318284 1983-11-17
FR8414518 1984-09-21
FR8414518A FR2570723B2 (fr) 1983-11-17 1984-09-21 Machine a coffrage glissant a deux plaques d'extrusion pour la confection de chaussees en beton

Publications (3)

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EP0143043A2 EP0143043A2 (de) 1985-05-29
EP0143043A3 EP0143043A3 (en) 1986-07-23
EP0143043B1 true EP0143043B1 (de) 1989-10-11

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US (1) US4636110A (de)
EP (1) EP0143043B1 (de)
JP (1) JPS60119802A (de)
CA (1) CA1269559A (de)
DE (1) DE3480101D1 (de)
ES (1) ES538028A0 (de)
FR (1) FR2570723B2 (de)

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Also Published As

Publication number Publication date
JPS60119802A (ja) 1985-06-27
DE3480101D1 (en) 1989-11-16
FR2570723B2 (fr) 1986-12-12
ES8602182A1 (es) 1985-11-01
JPS6353325B2 (de) 1988-10-24
ES538028A0 (es) 1985-11-01
EP0143043A3 (en) 1986-07-23
EP0143043A2 (de) 1985-05-29
CA1269559A (fr) 1990-05-29
US4636110A (en) 1987-01-13
FR2570723A2 (fr) 1986-03-28

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