EP0388276B1 - Einrichtung zur Ausführung von aus einer Mischung von körnigem Baustoff und Textilfäden hergestellten armierten Bodenzonen - Google Patents

Einrichtung zur Ausführung von aus einer Mischung von körnigem Baustoff und Textilfäden hergestellten armierten Bodenzonen Download PDF

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Publication number
EP0388276B1
EP0388276B1 EP90400655A EP90400655A EP0388276B1 EP 0388276 B1 EP0388276 B1 EP 0388276B1 EP 90400655 A EP90400655 A EP 90400655A EP 90400655 A EP90400655 A EP 90400655A EP 0388276 B1 EP0388276 B1 EP 0388276B1
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EP
European Patent Office
Prior art keywords
carriage
axis
ejectors
secured
arm
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 - Lifetime
Application number
EP90400655A
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English (en)
French (fr)
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EP0388276A1 (de
Inventor
Michel Audouin
Jean-Claude Redon
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D'application Du Texsol SA Ste
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D'application Du Texsol SA Ste
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Application filed by D'application Du Texsol SA Ste filed Critical D'application Du Texsol SA Ste
Priority to AT90400655T priority Critical patent/ATE76918T1/de
Publication of EP0388276A1 publication Critical patent/EP0388276A1/de
Application granted granted Critical
Publication of EP0388276B1 publication Critical patent/EP0388276B1/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
    • E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil

Definitions

  • the subject of the invention is an improved machine intended to project textile threads in particular for producing areas of reinforced ground consisting of a three-dimensional mixture of such threads suitably entangled and embedded in a granular material, such as sand, sent to the terrain with a high speed jet.
  • the invention therefore has for first object an improved machine making it possible to obtain, at a lower cost and with a high efficiency of use, a suitably reinforced ground.
  • the maneuvering cart will be movable along sliding slides fixed to the chassis and the ejectors will be arranged in a general direction substantially perpendicular to the axis of the tree that bears them.
  • the support frame being removable relative to the arm of the vehicle, its adaptation to a commercial vehicle could be envisaged under the best conditions of profitability and efficiency.
  • this sinusoidal movement of distributing the wires may be combined with an axial translational movement in a direction substantially perpendicular to the width of the area of land to be produced.
  • the machine illustrated in these figures essentially comprises an autonomous motorized vehicle 1 equipped with an arm 2, which can consist of a telescopic boom.
  • the arm 2 is orientable both in elevation (vertically) and in bearing (horizontally).
  • a site angle ⁇ has been identified and the vertical axis is marked at 4 around which the arm 2 can be oriented in bearing. It will be noted that these two degrees of freedom make it easy to reach the area of land to be produced, without having to move the vehicle 1 too frequently, which can for example be mounted on wheels.
  • a removable support frame identified as a whole 6 on which is mounted is adapted and fixed a removable support frame identified as a whole 6 on which is mounted, as will be seen in more detail below, a series of ejectors 8 supplied with textile threads 10 from schematic coils 12 housed in housings or canters, 14 fixed to the chassis by support legs 15.
  • the wires 10 having to be ejected at high speed towards the area of land 16 to be produced, the ejectors 8 are supplied with pressurized fluid (such as water) from pipes such as 18 connected to a tank 19 for storing the fluid, with interposition of a pump 21.
  • the granular material generally sand
  • a pipe of large diameter 20 which ends on the side of its end close to the chassis 6 by a discharge stick 22 fixed under the chassis.
  • the other end of the pipe 20 is connected to a compressor 24 making it possible to send the granular material at high speed from a loading hopper 26 to the discharge butt 22.
  • the support frame 6 comprises an adapter end piece 28 in which are formed orifices 30 which, when the frame is installed and the machine is ready to operate, come opposite orifices 32 formed in a complementary end piece 34 rigidly secured to the head 2a of the arm of the vehicle. Fasteners (not shown) such as screws or the like maintain the two ends 28, 34 in relative position.
  • the carriage 36 is mounted movable in translation in an alternating movement along two tubes 38, 40 forming sliding slides which are fixed at their opposite ends on two beams 42, 44 of the chassis and extend along parallel axes 46a, 46b which can be oriented substantially parallel to the axis of the arm 2 of the vehicle.
  • This carriage is firstly constituted by a general frame 48 of which are rigidly secured the two sleeves 50, 52 inside which must pass the sliding tubes 38, 40 (not shown in Figure 4).
  • two support plates 54, 56 integral with the sleeves and arranged substantially perpendicular to the axes of these sleeves, are mounted two connecting rods 58, 60 which are articulated so as to both be able to oscillate in a general plane 62 directed substantially perpendicular to the axis movement in translation of the carriage (axis 46a or 46b).
  • each connecting rod 58, 60 has a U shape, the two branches 61 of which allow engagement in articulation of the connecting rods on the support plates 54, 56, with the interposition of silent blocks of which l one has been identified 64 and shown schematically.
  • the two connecting rods On the side of their feet, the two connecting rods have two arms 63 which move away from one another so as to form an inverted V. At the lower end of the arms 63, holes 66 are provided, each suitable for receiving a silent block 64 allowing, at the level of holes 68, the articulation mounting of a connecting piece 70 forming a swing and which can therefore oscillate. in the general plan 62 of oscillation of the connecting rods.
  • oscillation control is ensured by means of an eccentric 72 which engages in a lumen 73 of the connecting piece 70, which eccentric is connected by a screw or equivalent 74 to the output shaft 76 of a motor, for example of the hydraulic type 78.
  • a plate 80 ensures the positioning of the motor 78 on the frame 48 of the carriage, via fixing means (not shown).
  • a second motor 82 is also provided, the output shaft 83 of which extends substantially parallel to the plane 62 of oscillation of the "swing".
  • first link 84 On the shaft 83 is articulated a first link 84 which carries a second link 86 mounted articulated on a shaft 88 carrying the ejectors 8 of which only two have been shown for the sake of clarity.
  • the shaft 88 along which the ejectors 8 will be fixed one after the other, preferably in alignment, is mounted oscillating at 91 on two lateral arms 90 of the swing, with interposition articulation bearings 92 and along an axis 89 directed substantially perpendicular to the axis of displacement in translation of the carriage.
  • the shaft 88 will therefore impart to the ejectors an oscillatory movement oriented in the direction of a general plane 94 substantially parallel to the axis of displacement in translation of the carriage.
  • the ejector illustrated is connected to the carrier shaft by means of a body 96 secured to a sheath 98 inside which is mounted a ring 100 surrounding the shaft 88.
  • a protective plate 102 is interposed between the body 96 and the sheath 98 so as to protect the carrier shaft from soiling, which will in practice be housed inside a box shown diagrammatically at 104.
  • the ejector 8 is extended at the bottom by a tube or nozzle 9 inside which one of the wires 10 passes, after the latter has engaged in an orifice 11 , preferably with ceramic walls.
  • the pressurized fluid which will make it possible to eject the wires at high speed (approximately 10 to 25 m / s), it emerges from one of the conduits 18 in the body 96 inside which passages 99 were reserved, each in the direction of the orifice 11 of the corresponding ejector 8, with an adapted slope.
  • FIG. 6 a schematic representation has been made of the principle which has been adopted in the invention for ensuring the alternative drive in translation of the carriage 36 along its slides 38, 40.
  • a cylinder 106 was first of all provided comprising a body 108 fixed to the chassis 6 of the machine, for example on one of the beams 42, 44.
  • the body 108 contains a piston 110 which defines, inside said body, chambers 112, 114 each supplied with pressurized fluid, such as oil, from two pipes 116, 118 connected to a hydraulic pump (not shown in this figure 6).
  • pressurized fluid such as oil
  • central piston 110 In addition, on either side of the central piston 110 extend two cylinder rods 120, 122 protruding in a sealed manner from the chambers 112, 114 and extending so that the piston 110 can, under the pressure of the fluid, drive them in the same schematic direction 124, alternately in one direction or the other.
  • each free end of the jack rods is mounted a pulley, respectively 126, 128.
  • On each pulley passes a cable 130, 132.
  • the cables are each fixed at their opposite ends, on one side at the free end (respectively 126a, 128a) of the corresponding rod, after passing over a return pulley 134, 136 secured to the body 108 of the jack and, on the other side, on the carriage 36 (at 36a, 36b).
  • Additional pulleys 138, 140, 142, 144 are further provided for guiding the cables 130, 132 and ensuring their return.
  • this circuit firstly comprises a hydraulic pump 150 connected to a reservoir 152 for fluid, such as oil.
  • a distribution pipe 154 which circulates successively through a first solenoid valve 156 (or equivalent) for controlling the translational travel of the carriage 36, then a second solenoid valve 158 for controlling the motor 78 (which ensures the drive in "lateral" oscillation of the ejectors 8, perpendicular to the axis of translation of the carriage 36) and finally, a third solenoid valve 160 for controlling the motor 82 (which ensures the oscillation drive of these same ejectors in the general plane 94 of the Figure 4, parallel to the axis of translation of the carriage).
  • the part 155 of the line 154 comes to loop on the pump 150.
  • a pressure regulator 174 will preferably be provided on the line 176 which connects, between the nodes 178 and 180, the line 155 to the line 154 leaving the tank 152.
  • a pressure regulator 174 will preferably be provided on the line 176 which connects, between the nodes 178 and 180, the line 155 to the line 154 leaving the tank 152.
  • the lines 162, 164, 166 which connect the solenoid valves 156, 158 and 160 respectively to the carriage 36 and to the motors 78 and 82, flow restrictors shown diagrammatically in 168, 170 and 172.
  • FIG. 8 present the method of attachment to the maneuvering carriage 36 of the stock for discharging the granular material.
  • FIG. 8 which is an enlarged simplified perspective view with cutaway of the part marked VIII in FIG. 3, it will be noted that the distribution stock 22 is fixed under the frame 48 of the carriage 36 by two complementary means 182, 184.
  • the first attachment means 182 comprises an anchoring lug welded in 186 to the stick and connected at its upper part to a transverse rod 188 which engages towards its two opposite ends in two series of notches 190, 190 ′ formed in two support beams 192, 194 fixed under the frame 48 of the carriage. Taking into account the planned arrangement of the series of orifices 190, 190 ′ which extend parallel to the axis of movement of the carriage, it will thus be possible to ensure adjustment of the stock 22 relative to the carriage in the direction of its movement.
  • the second attachment means 184 to consist of a rod of adjustable length articulated on the one hand on a collar 196 enclosing the butt 22 and d on the other hand, at its opposite end, on a hinge ball joint 198 (or equivalent) fixed to the frame 48 (fixing not shown).
  • the peculiarity of the present invention consists in reality of covering the area of land in progress with son in a sinusoidal distribution, this of course at the same time as a quantity is delivered on this same area.
  • suitable and suitable granular material so that the son are embedded in the material and suitably entangled.
  • the general axis of the sinusoids will be directed along the width l (FIG. 1) of the area of the ground, that is to say substantially perpendicular to the axis of displacement in translation of the carriage on the chassis 6 of the machine, this sinusoidal movement resulting from the oscillation and alternating displacement of the ejectors 8 parallel to the planes 62 and 94 of FIG. 4, via the beat movements of the shaft 88 and of the part forming swing 90, respectively.
  • this "lateral" sinusoidal movement will be combined with the movement resulting from the translational movement of the carriage 36, with the result of a progressive displacement of the sinusoids in the direction of the length L (FIG. 1) of the zone and therefore a uniform total coverage of the entire area of the ground to be produced, all the more so since the position of the stock and the angle ß of the granular material discharge can be adjusted as desired (cf. FIG. 8).

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Fertilizing (AREA)
  • Woven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (6)

1. Maschine, um auf einem Boden eine Zone (16) zu bilden, die, ausgehend von einem dreidimensionalen Gemisch eines körnigen Materials und textiler Fäden, die in zweckmässiger Weise verwirrt und in dem Material eingebettet sind, augebaut ist, der Bauart umfassend:
- ein mit wenigstens einem höhen- und lageverstellbaren Arm (2) ausgestattetes Fahrzeug (1),
- Mitteln (20, 22, 24, 26) zur Verteilung des körnigen Materials, um dieses, das benachbart dem Erdboden aufgegeben ist, bis zum Kopf des Armes (2) zu führen und um dieses Material in einem schnellen Strahl in Richtung der Zone (16) des zu bildenden Terrains zu verspritzen,
- und Ejektoren (8), die mit textilen Fäden (10) gespeist sind und benachbart dem Kopf des Armes (2) gelagert sind, um bei grosser Geschwindigkeit diese Fäden in Richtung der zu beildenden Bodenzone auszustossen,
wobei die Maschine sich dadurch auszichnet, daß sie des weiteren umfaßt:
- ein lösbares Trägerchassis (6), das am Kopf des Armes (2) angeordnet ist und einen Adapteransatz (28) aufweist, der mit Befestigungsmitteln (30, 32) ausgestattet ist, um das Chassis auf einem komplementären Ansatz (34) dieses Armes zu fixieren,
- einem fest mit diesem Chassis (6) verbundenen Arbeitswagen (36), wobei der Wagen die Ejektoren (8) trägt, die auf einer Welle (88) befestigt sind, die um ihre Achse (89) verschwenkt und einer alternativen Translationsbewegung in einer Richtung im wesentlichen parallel zu ihrer Schwenkachse (89) ausgesetzt ist.
2. Maschine nach Anspruch 1, dadurch gekennzeichnet, daß der Wagen (36) längs Gleitschienen (38, 40) bewegbar bzw. verschiebbar ist, die am Chassis (6) befestigt sind und daß die Ejektoren in einer allgemeinen Richtung im wesentlichen senkrecht zur Achse (89) der Welle (88), die sie trägt, angeordnet sind.
3. Maschine nach Anspruch 2, dadurch gekennzeichnet, daß die Fäden-Ejektoren (8), ausgerichtet auf der Welle (88), die sie trägt, gelagert sind, wobei diese Welle, derart, daß sie den Ejektoren eine Schwenkbewegung erteilt, die in einer Ebene (94) im wesentlichen parallel zur Bewegungsachse des Wagens gerichtet ist, verschwenkbar auf einem Verbindungsbauteil gelagert ist, das eine Wippe (70) bildet, die auf Zwischengliedern bzw. Pleueln (58, 60) gelenkig ist, die selbst am Wagen (36) gelenkig sind, derart, daß diese Wippe (70) sich entsprechend einer Richtung (62) im wesentlichen senkrecht zur Bewegungsachse des Wagens (36) einerseits und zur Schwenkebene (94) der Ejektoren (8) anderseits unter der Winkung eines Exzenters (72), der durch einen Motor (78) bewegt wird, bewegen kann.
4. Maschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verteilereinrichtungen (20, 22) des körnigen Materials gegen den Kopf des Armes (2) hin in einer Austragseinrichtung (22) enden, die unter dem Wagen (36) vermittels Anbringmitteln (188) befestigt ist, die in Reihen von Ausnehmungen (190, 190′) greifen, die aufeinanderfolgend längs Richtungen im wesentlichen parallel zur Bewegungsachse des Wagens (36) in Träger bildenden Bauteilen (192, 194) augespart sind, die am Wagen derart befestigt sind, daß eine Einstellung der Position der Austragseinrichtung (22) bezogen auf den Wagen parallel zur Bewegungsachse des letzteren möglich wird.
5. Maschine nach Anspruch 4, dadurch gekennzeichnet, daß die Austragseinrichtung (22) im übrigen am Wagen (36) vermittels eines Schwingarmes (184) einstellbarer Länge befestigt ist, der so eingerichtet ist, daß er den Neigungswinkel (β) der Austragseinrichtung und damit die Ausstoßrichtung des körnigen Materials variieren läßt.
6. Maschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie im übrigen einen Stellzylinder (106) mit einem am Chassis (6) befestigten Gehäuse (108) umfaßt, wobei das Gehäuse einen Kolben (110) einschließt, der im Inneren des Gehäuses zwei Kammern (112, 114) definiert, die je mit Fluid unter Druck derart gespeist sind, daß der Kolben (110) alternativ in Translation in einer gegebenen Richtung (124) zwei Kolbenstangen (120, 122) antreibt, die je an ihrem freien Ende fest mit einer Umlenkrolle (126, 128) verbunden sind, über die ein Seil (130, 132) läuft, das an seinem gegenüberliegenden Enden auf der einen Seite and das freie Ende der entsprechenden Stange (120, 122) nach Passieren über eine Umlenkrolle (134, 136) befestigt ist, die am Gehäuse des Zylinders fest ist und andereseits am Wagen (36) unter Zwischenschaltung von komplementären Umlenkrollen (138, 140, 142, 144) befestigt ist.
EP90400655A 1989-03-15 1990-03-13 Einrichtung zur Ausführung von aus einer Mischung von körnigem Baustoff und Textilfäden hergestellten armierten Bodenzonen Expired - Lifetime EP0388276B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90400655T ATE76918T1 (de) 1989-03-15 1990-03-13 Einrichtung zur ausfuehrung von aus einer mischung von koernigem baustoff und textilfaeden hergestellten armierten bodenzonen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8903399A FR2644490B1 (fr) 1989-03-15 1989-03-15 Procede et machine pour realiser des zones de terrains renforcees, constituees a partir d'un melange d'un materiau granulaire et de fils textiles
FR8903399 1989-03-15

Publications (2)

Publication Number Publication Date
EP0388276A1 EP0388276A1 (de) 1990-09-19
EP0388276B1 true EP0388276B1 (de) 1992-06-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90400655A Expired - Lifetime EP0388276B1 (de) 1989-03-15 1990-03-13 Einrichtung zur Ausführung von aus einer Mischung von körnigem Baustoff und Textilfäden hergestellten armierten Bodenzonen

Country Status (5)

Country Link
EP (1) EP0388276B1 (de)
KR (1) KR900013834A (de)
AT (1) ATE76918T1 (de)
DE (1) DE69000119D1 (de)
FR (1) FR2644490B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91984C (fi) * 1992-12-10 1994-09-12 Yit Yhtymae Oy Menetelmä maahan muodostettavan rakenteen vahvistamiseksi
GB9625176D0 (en) * 1996-12-04 1997-01-22 Thames Water Utilities Apparatus for laying a layer of material
FR2950091B1 (fr) * 2009-09-17 2011-10-14 Eiffage Tp Dispositif, machine et procede de projection simultanee de materiau granulaire et de fils

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572449B1 (fr) * 1984-10-25 1987-02-20 France Etat Ponts Chaussees Procede et installation de mise en place d'un materiau particulaire renforce par un element lineaire continu
FR2572435B3 (fr) * 1984-10-26 1987-03-06 Texsol Applic Machine et procede pour la formation de terrains renforces de fils textiles.
FR2587317B1 (fr) * 1985-09-18 1988-04-08 Rhone Poulenc Fibres Moyen pour le transfert d'au moins un fil continu d'un moyen d'alimentation a son utilisation et son procede de mise en oeuvre.
FR2608183B1 (fr) * 1986-12-15 1989-04-28 France Etat Ponts Chaussees Procede et dispositif de mise en place sur une surface d'un sol renforce constitue d'elements particulaires et d'un liant

Also Published As

Publication number Publication date
DE69000119D1 (de) 1992-07-09
FR2644490B1 (fr) 1992-01-17
FR2644490A1 (fr) 1990-09-21
EP0388276A1 (de) 1990-09-19
ATE76918T1 (de) 1992-06-15
KR900013834A (ko) 1990-10-22

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