EP1900879B1 - Abstützplatte - Google Patents

Abstützplatte Download PDF

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Publication number
EP1900879B1
EP1900879B1 EP07011576A EP07011576A EP1900879B1 EP 1900879 B1 EP1900879 B1 EP 1900879B1 EP 07011576 A EP07011576 A EP 07011576A EP 07011576 A EP07011576 A EP 07011576A EP 1900879 B1 EP1900879 B1 EP 1900879B1
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EP
European Patent Office
Prior art keywords
supporting panel
longitudinal beam
panel
chassis
works vehicle
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.)
Not-in-force
Application number
EP07011576A
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English (en)
French (fr)
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EP1900879A1 (de
Inventor
Michel Tizon
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.)
Travaux Urbains Et Ruraux Nationaux Et Occidentaux (sturno) Sa Ste
Original Assignee
Travaux Urbains Et Ruraux Nationaux Et Occidentaux (sturno) Sa Ste
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Application filed by Travaux Urbains Et Ruraux Nationaux Et Occidentaux (sturno) Sa Ste filed Critical Travaux Urbains Et Ruraux Nationaux Et Occidentaux (sturno) Sa Ste
Publication of EP1900879A1 publication Critical patent/EP1900879A1/de
Application granted granted Critical
Publication of EP1900879B1 publication Critical patent/EP1900879B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/086—Travelling trench shores

Definitions

  • the present invention relates to a shoring panel, and a construction machine comprising such a shoring panel.
  • each vertical wall of the trench When a trench is to be dug into the ground, for example to deposit water pipes, each vertical wall of the trench must be secured to prevent the workers in the trench from being buried under a landslide of the trench. one of these walls.
  • a shoring panel generally consisting of a steel plate, is arranged along each wall and spacers are arranged between two shoring panels facing each other in order to force them against the corresponding wall. of the trench.
  • a pipeline generally consists of pipes of a defined diameter that fit into each other and manholes whose dimensions are greater than this diameter and which are positioned approximately every 50 meters on the pipes.
  • the trench to be dug for such a pipe thus comprises a first section adapted to the pipe diameter and a second section larger than the first and adapted to the dimensions of manholes. It is then necessary to change the distance between two shoring panels facing each other depending on the section where they are located.
  • the spreading panels used in the first section are also generally longer than those used in the second section and, in this case, it is necessary to have two different sets of panels which increases the tooling costs.
  • the shoring panels must follow the progress of the workers in laying the pipe. Thus, a digger digs the trench and then pulls the shoring panels along the trench thus dug. The workers can then work safely while the digger continues digging the trench.
  • the excavator stops digging to move the shoring panels and, when the trench is fully dug, the shovel must remain available to fire the shoring panels.
  • This method of removal of the pipeline therefore permanently monopolizes the excavator, which must always remain available to shoot the shoring panels. Such monopolization is expensive because the excavator and its driver remain unused most of the time.
  • the document FR-A-2,799,774 discloses a rigid shoring panel comprising a central module and a side wing.
  • An object of the present invention is to provide a shoring panel and a construction machine comprising such a shoring panel which do not have the drawbacks of the prior art and which in particular allow a better use of the equipment. and staff by limiting the number of shoring boards and the number of workers needed.
  • the shoring panel comprises a first lateral wing and a second lateral wing disposed on either side of the central module.
  • the or each lateral wing is provided with a locking device in rotation.
  • the or each rotational locking device constitutes a motor element designed to rotate the side wing considered.
  • the shoring panel is provided with at least one passage hatch.
  • the or each passage hatch is mounted free to rotate about an axis of rotation which is substantially vertical when the shoring panel is in the use position.
  • the or each passage door is provided with a locking device.
  • the work machine comprises lifting devices provided for lifting said moving means, in particular during the widening and narrowing of said frame.
  • said adjustment means comprise a telescopic front transverse beam consisting of a front male beam and a movable front female beam inside said front male beam, and a telescopic rear transverse beam consisting of a rear male beam and a movable rear female beam inside said rear male beam.
  • the two shoring panels are disposed within the space limited by the first longitudinal beam, the second longitudinal beam, the front transverse beam and the rear transverse beam.
  • one of the shoring panels is movably mounted on said first longitudinal beam and the other shoring panel is movably mounted on said second longitudinal beam.
  • the construction machine comprises, for each shoring panel, at least one guiding device provided to cooperate with said shoring panel during its vertical movement.
  • each guiding device comprises at least one sliding roller secured to the frame and each shoring panel comprises at least one guide rail in which is rolled one of the sliding rollers.
  • the work machine comprises at least one pulling device provided for pulling on pipes of a pipe to be fitted.
  • the pulling device comprises fastening means provided for fixing said pulling device on the frame or on the shoring panel.
  • the work machine comprises two pulling devices arranged on either side of the pipes to be fitted.
  • the Fig. 1 represents a shoring panel 100 which comprises a central module 102, a first lateral wing 104 and a second lateral wing 106.
  • two shoring panels 100 are disposed against the opposite walls of the trench and are held in position by a device which is described hereinafter.
  • the face of the central module 102 which is seen on the Fig. 1 is placed against a wall of the trench so as to support the wall and protect the workers working in the trench. For this purpose, on the height of the trench, the shoring panel 100 is full.
  • the lateral wings 104 and 106 are disposed on either side of the central module 102 and abut against the wall and, as for the central module 102, the first lateral wing 104 and the second lateral wing 106 are full on the height of the trench.
  • the central module 102 and the lateral wings 104 and 106 are in the extension of each other and form a shoring panel 100 whose dimensions are equivalent to the dimensions of the shoring panels of the state of the art used to support the trench where the pipes are placed.
  • the central module 102 has a length of 2 meters and each lateral wing 104, 106 has a length of 1 meter, the assembly thus forming a shoring panel 100 of about 4 meters.
  • the trench intended for the removal of a pipe with manholes has a first section adapted to the diameter of the pipes and a second section wider than the first and adapted to the dimensions of manholes.
  • the first portion of the trench intended to receive the pipes is longer than the second portion of the trench intended to receive the manholes and the length of the shoring panel 100 must therefore be greater in the case where it is disposed in the first portion only in the case where it is deposited in the second portion.
  • the length of the shoring panel 100 must be able to be modulated between a first length adapted to the first portion of the trench and a second length shorter than the first and adapted to the second portion. of the trench.
  • the trench thus consists of a succession of a first portion and a second portion.
  • the lateral wings 104 and 106 are rotatably mounted relative to the central module 102 about an axis of rotation which is substantially vertical when the shoring panel 100 is in the use position. It is thus possible to retract each lateral wing 104, 106 and this independently of one another.
  • Each side wing 104, 106 is mounted on a hinge 108, 110 which is articulated between the central module 102 and the corresponding lateral wing 104, 106.
  • each wing 104, 106 must be locked in rotation.
  • a rotational locking device which is described below.
  • each enlargement of the trench is created.
  • a narrowing of the trench is created.
  • Each enlargement and narrowing may take the form of a step or incline.
  • the particular design of the shoring panel 100 of the invention and, in particular the presence of the lateral wings 104 and 106, makes it possible to support each enlargement and each narrowing. Indeed, when the shoring panel 100 is disposed at a second portion of the trench, each side wing 104, 106 abuts against a constriction or expansion and thus the safety of workers is improved.
  • the Fig. 2 represents the shoring panel 100 seen from behind, that is to say seen from inside the trench.
  • the rotational locking device here consists, for each side wing 104, 106, of a locking cylinder 202, 204, for example a hydraulic cylinder.
  • Each locking cylinder 202, 204 is connected to the corresponding lateral wing 104, 106 on the one hand, and to the central module 102, on the other hand.
  • the workers can independently control each locking cylinder 202, 204 and each locking cylinder 202, 204 is provided to lock the lateral wing 104, 106 considered in the desired position but also to rotate the side wing 104, 106 considered until 'to the position desired.
  • each rotational locking device 202, 204 also constitutes a motor element designed to rotate the side wing 104, 106 considered.
  • the central panel 102 is provided with at least one passage door 112, 114 which can be retracted in order to let through the pipes.
  • these passage doors 112 and 114 are described in the context of the shoring panel 100 of the invention, they can also be implemented on a shoring panel of the state of the art.
  • each flap 112, 114 is mounted free to rotate about an axis of rotation which is substantially vertical when the shoring panel 100 is in the use position.
  • Each flap 112, 114 is mounted on a hinge 116 which is articulated between the central module 102 and the corresponding flap 112, 114. It is thus possible to retract each passage door 112, 114 independently of one another.
  • the spreading panel 100 is provided with two groups of three through-hatches 112 and 114 which extend over approximately half the height of the central module 102.
  • the number and position of the passage doors 112 and 114 to be retracted can be easily modulated. This possibility of modulation prevents a too large surface of the wall of the trench is supported when the retraction of a single passage hatch 112, 114 is sufficient to allow through pipes.
  • Each flap 112, 114 is provided with a locking device 206 which maintains the passage door 112, 114 considered in position against the wall of the trench, when it is not retracted.
  • the Fig. 3 represents an enlargement of the blocking device 206.
  • the central module 102 is provided with a first securing arm 308 and the flap 112 is provided with a second securing arm 310.
  • the hinge arm 302 is rotatably mounted relative to the second securing arm 310 by the introduction of a hinge pin 304.
  • the hinge arm 302 articulation 302 is assembled to the first securing arm 308 by virtue of the introduction of a pin 306 which can be withdrawn, thus releasing the hinge arm 302 from the first securing arm 308.
  • the hinge arm 302 can be pulled inward of the trench, also driving the flap 112 into the trench.
  • passage hatches 112, 114 is not limited to the central module 102, but one or more passage doors 112, 114 may also be provided in the side wings 104, 106.
  • the shoring panel 100 comprises a rigid supporting structure comprising a first guide rail 122, a second guide rail 124, a first reinforcement means 126 and a second reinforcement means 128.
  • Each guide rail 122, 124 whose The function described below extends vertically while each reinforcing means 126, 128 extends horizontally between the first guide rail 122 and the second guide rail 124 to stiffen the supporting structure.
  • a securing means 120 which function is described below.
  • the Fig. 4 represents a side view of a work machine 400 intended to transport, position and maintain in position two shoring panels 100 in the trench.
  • the Fig. 5 represents a sectional view along the line VV of the Fig. 4 and the Fig. 6 represents a top view of the construction machine 400 of the Fig. 4 .
  • the work machine 400 is disposed on the ground 450 and can move on the latter by means of displacement which are, in the embodiment described, consist of tracks 404 which are arranged on either side of the 400 The work machine 400 can thus move along the trench.
  • the means of displacement may take other forms, such as ski wheels, or others.
  • the frame 430 comprises adjustment means 408 and 410 provided for widening and shrinking the frame 430 to adjust the spacing between the two panels. Shoring 100.
  • the chassis 430 comprises a first longitudinal beam 406 resting on one of the tracks 404 ( Fig. 5 ), a second longitudinal beam 602 ( Fig. 6 ) resting on the other caterpillar 404 ( Fig. 5 ) and parallel to said first longitudinal beam 406, a front transverse beam 408 and a rear transverse beam 410.
  • the front transverse beam 408 connects one end of the first longitudinal beam 406 to one end of the second longitudinal beam 602, and the transverse beam.
  • rear 410 which is parallel to the front transverse beam 408 connects the other end of the first longitudinal beam 406 to the other end of the second longitudinal beam 602.
  • each longitudinal beam 406, 602 extends from the front to the rear of the work machine 400 and each transverse beam 408, 410 extends from the left side to the right side of the work machine 400.
  • the frame 430 thus has a substantially rectangular hollow shape, that is to say, as is better seen on the Fig. 6 , that the space between the beams 406, 602, 408 and 410 is empty and this allows the establishment of two shoring panels 100 within this space. Inside this space are arranged, successively, the pipes 670a and 670b constituting the pipe.
  • One of the spreading panels 100 is movably mounted on the first longitudinal beam 406 and the other shoring panel 100 is movably mounted on the second longitudinal beam 602.
  • a control station 414 At the rear of the machine 400 is arranged a control station 414 at which a technician 412 is placed to control the machine 400.
  • the control station 414 In order to prevent the fall of the technician 412, the control station 414 is limited by a guard rail 416 which extends transversely with respect to the work machine 400. From the control station 414, the technician 412 can control the movements of the various elements such as those of each locking cylinder 202, 204.
  • the displacement means 402 takes the form of a telescopic mast 402 which cooperates with the corresponding shoring panel 100 via the securing means 120.
  • the operation of the work machine 400 is then as follows.
  • the work machine 400 is positioned above the beginning of the trench, the shoring panels 100 are pressed against the walls of the trench and the workers can work on the first pipe 670a safely.
  • the shoring panels 100 can then be moved by moving the work machine 400 in the direction of the arrow 680 and be positioned at the next portion of the trench.
  • the workers can then work on the second pipe 670b safely and, in particular, they can fire on the second pipe 670b with pulling devices 620 which are described hereinafter, in order to facilitate the interlocking of the 670a and 670b pipes.
  • the construction machine 400 includes means for allowing the establishment of a shoring panel 100 against each wall of the trench and this, regardless of the width of the latter .
  • the work machine 400, and in particular its frame 430 are provided to be able to expand and shrink transversely.
  • the rectangle forming the frame 430 may be deformed by elongation or shortening of the front transverse beams 408 and rear 410.
  • Said adjustment means for adjusting the spacing between the two shoring panels 100 comprise, then, the transverse beam before 408 and the rear transverse beam 410.
  • the transverse beam before 408 is telescopic and consists of a front male beam 604 and a front female beam 606 movable within said front male beam 604, and the rear transverse beam 410 is telescopic and consists of a rear male beam 608 and a rear female beam 610 movable within said rear male beam 608.
  • a displacement device of the hydraulic cylinder type, is put in place at each transverse beam 408, 410.
  • Each displacement device is connected, on the one hand, to the male beam 604 (respectively 608) and, on the other hand, on the other hand, to the corresponding female beam 606 (respectively 610), to make it possible to shorten or lengthen the transverse beams 408 and 410.
  • Each displacement device is controlled from the control station 414.
  • the railing 416 comprises adaptation means provided to adapt the length of the railing 416 to the deformation of the frame 430.
  • adaptation means can, for example, take the form of barriers that can be extended or to shorten by sliding in one another.
  • control station floor 414 comprises adaptation means provided to adapt the length of the floor to the deformation of the frame 430.
  • adaptation means can take the form of a bridge 660 secured to the beam rear male 608 and sliding on the rear female beam 610.
  • each stabilizing device 500 is operated by means of an operating device 422, 424 controllable from the control station 114.
  • each stabilization device 500 comprises a foot 506, a leg 508 and the operating device 424.
  • the foot 506 is mounted in the lower part of the leg 508 which is mounted on the operating device 424 which comprises a set of jacks 510.
  • the operating device 424 deploys the leg 508 so that to come and put the foot 506 on the ground 450.
  • each longitudinal beam 406, 602 is provided with two stabilizing devices 500.
  • Each stabilizing device 500 is provided to take three positions.
  • the first position is a rest position corresponding to that shown on the Fig. 5 and wherein each stabilizer 500 is retracted.
  • the second position is a stabilization position in which each foot 506 bears on the ground 450 but where the displacement means 404 remain in contact with the ground 450.
  • the third position corresponds to an extension position in which each foot is in contact with the ground 450 but where the force exerted by the set of jacks 510 is such that the displacement means 404 are raised and are no longer in contact with the ground 450.
  • This position makes it possible to disengage the displacement means 404 from the ground 450 and thus facilitates the widening and narrowing of the frame 430 since the displacement means 404 no longer rub on the ground 450, avoiding, moreover, a destabilization of the soil 450 under the effect of friction.
  • Each stabilizing device 500 is then a lifting device.
  • the displacement means 404 are raised one after the other.
  • each shoring panel 100 is guided by two lower guiding devices 502 and two upper guiding devices 504.
  • the introduction of two lower guiding devices 502 and two upper guiding devices 504 for each shoring panel 100 allows to ensure better guidance of it.
  • the telescopic mast 402 is disposed substantially in the middle between the two upper guide devices 504 to prevent the shoring panel 100 skews during its vertical movement.
  • the Fig. 6a represents an enlargement of detail VI of the Fig. 6 and it represents an upper guide device 504.
  • the spreading panel 100 here comprises a second guide rail 124.
  • the second guide rail 124 consists of two grooves, each being delimited by a first rib 656 and a second rib 658.
  • the first longitudinal beam 406 is provided with two beams and at the end of each of these beams is provided a sliding roller 652.
  • Each sliding roller 652 is rotatable about a horizontal axis and parallel to the ribs 656 and 658 and is positioned in one of the grooves, that is to say between the first rib 656 and the second rib 658.
  • the dimensions of each sliding roller 652 and each groove are such that during the vertical movement of the panel shoring 100, each slip roller 652 rolls on one of the ribs 656 or 658, that is to say within the second guide rail 124.
  • each shoring panel 100 may take other forms such as, for example, a slider device or the like.
  • a lift 420 is disposed in the space between the beams 406 , 602, 408 and 410.
  • the elevator 420 is intended to allow the technician 412 to pass easily, quickly and safely from the inside of the trench to the control station 414 and vice versa.
  • the Fig. 8 represents a drawing device 620 intended to be positioned either on the work machine 400 or on one of the shoring panels 100.
  • the pulling device 620 is intended to pull on the pipes of the pipe to fit them together in each other.
  • the pulling device 620 comprises fastening means 1102 and pulling means.
  • the fixing means take the form of a fixing bar 1102 which is fixed on the work machine 400 or on one of the shoring panels 100 and, in particular, on one of the lateral wings 104, 106.
  • the pulling means comprise a column 1104, a traction cylinder 1106, a draw bar 1108, a draw cable 1110, a deflection pulley 1112 and a grapple (not shown) provided for hooking onto the end of a pipe constituting the pipe.
  • the fixing bar 1102 is secured to collars which enclose the column 1104.
  • the column 1104 is movable in translation inside these collars to raise the pulling device 620 when the work machine 400 is not in position. working position and lower the pulling device 620 when the work machine 400 is in the working position.
  • the pulling device 620 is free to pivot about a substantially vertical axis to allow to direct the direction of pull according to the length of the pipe on which it is intended to pull.
  • the pulling direction is substantially horizontal and in the median plane of the deflection pulley 1112.
  • the traction cylinder 1106, the draw bar 1108 and the pull cable 1110 are arranged inside the column 1104 and the deflection pulley 1112 is arranged in the lower part of the column 1104.
  • a first connecting device 1118 to which is fixed one end of the draw bar 1108.
  • a second connecting device 1120 to which is fixed the end of the pull cable 1110 which is not provided with the grapple.
  • the deflection pulley 1112 is mounted free to rotate about an axis of rotation 1116 which is substantially horizontal.
  • the deflection pulley makes it possible to change the orientation of the pull cable 1110 which passes from a vertical orientation to a horizontal orientation.
  • the operating mode of the pulling device 620 is as follows.
  • the first pipe 670a includes a first end and a second end.
  • the second pipe 670b comprises a first end which must be fitted into the second end of the first pipe 670a and a second end into which the first end of a third pipe must be fitted.
  • the grapple When the second pipe 670b is to be fitted into the first pipe 670a, the grapple is attached to the second end of the second pipe 670b, then the draw cylinder 1106 pulls, in the direction of the arrow 1122, on the draw bar 1108 and the pull cable 1110, which causes the pulling of the grapple and thus the fitting of the second pipe 670b in the first pipe 670a. After which the traction cylinder 1106 is released, in the direction of the arrow 1124, which lowers the draw bar 1108 and the pull cable 1110 and releases the grapple.
  • the draw device 620 When the draw device 620 is rotatable about a vertical axis, it can be pivoted to orient the center plane of the deflection pulley 1112 to the second end of the second pipe 670b.
  • the shoring panel 100 has been more particularly described in the context of the central module 102 and two lateral wings 104 and 106, but the number of lateral wings is at least one.
  • the through-hatches 112 and 114 have been described as being able to pivot, but it is also possible to provide for the retraction to take place by vertical, horizontal or other sliding of each through-hatch parallel to the central module 102.
  • the transportation, positioning and the holding in position of the shoring panels 100 are particularly advantageous using the work machine 400 described above, it is possible to position and maintain two shoring panels. 100 in the same way as two shoring panels of the state of the art. In particular, it is possible to position one or more cylinders horizontally between the two central modules 102 facing each other in the trench while leaving free the possibility of rotation of the lateral wings 104 and 106.
  • control station 114 and the elevator 420 have been described as being arranged at the rear of the work machine 400, but they can be arranged at the front of the machine 400.
  • the invention has been more particularly described in the case where the technician 412 controls the work machine 400 from the control station 114, but it is possible that some commands are also remote on a remote box, so as to be accessible from the bottom of the trench.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Body Structure For Vehicles (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Claims (18)

  1. Schalungsplatte (100) bestehend aus:
    - einem zentralen Modul (102), und
    - wenigstens einem Seitenflügel (104, 106),
    dadurch gekennzeichnet, dass der bzw. jeder Seitenflügel (104, 106) bezüglich des zentralen Moduls (102) um eine Drehachse drehbeweglich gelagert ist, die im wesentlichen vertikal verläuft, wenn die Schalungsplatte (100) in der Gebrauchsposition ist.
  2. Schalungsplatte (100) nach Anspruch 1, gekennzeichnet durch einen ersten Seitenflügel (104) und einen zweiten Seitenflügel (106), die beiderseits des zentralen Moduls (102) angeordnet sind.
  3. Schalungsplatte (100) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der bzw. jeder Seitenflügel (104, 106) mit einer Drehsperrvorrichtung versehen ist.
  4. Schalungsplatte (100) nach Anspruch 3, dadurch gekennzeichnet, dass die bzw. jede Drehsperrvorrichtung ein Motorelement zum Drehen des entsprechenden Seitenflügels (10A, 106) bildet.
  5. Schalungsplatte (100) nach einem der Ansprüche 1 bis 4, gekennzeichnet durch wenigstens eine Durchgangsklappe (112, 114).
  6. Schalungsplatte (100) nach Anspruch 5, dadurch gekennzeichnet, dass die bzw. jede Durchgangsklappe (112, 114) um eine Drehachse frei drehbar ist, die im wesentlichen vertikal verläuft, wenn die Schalungsplatte (100) in der Gebrauchsposition ist.
  7. Schalungsplatte (100) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die bzw. jede Durchgangsklappe (112, 114) mit einer Sperrvorrichtung (206) versehen ist.
  8. Arbeitsmaschine (400), bestehend aus:
    - einem Rahmen (430), der auf Verstellvorrichtungen (404) sitzt,
    - zwei einander gegenüberliegenden Schalungsplatten (100) nach einem der vorhergehenden Ansprüche, und
    - für jede Schalungsplatte (100) einer Verstellvorrichtung (402) für den Rahmen (430) zum vertikalen Verstellen der entsprechenden Schalungsplatte (100),
    dadurch gekennzeichnet, dass der Rahmen (430) Einstellvorrichtungen (408, 410) zum Vergrößern und Zusammenziehen des Rahmens (430) aufweist, um den Abstand zwischen den beiden Schalungsplatten (100) einzustellen.
  9. Arbeitsmaschine (400) nach Anspruch 8, gekennzeichnet durch Hubvorrichtungen (500) zum Anheben der Verstellvorrichtungen (404), insbesondere beim Vergrößern und Zusammenziehen des Rahmens (430).
  10. Arbeitsmaschine (400) nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Verstellvorrichtungen einen teleskopischen vorderen Träger (408), der aus einem vorderen Steckträger (604) und einem vorderen Aufnahmeträger (606) besteht, der im vorderen Steckträger (604) verstellbar ist, und einen teleskopischen hinteren Querträger (410), der aus einem hinteren Steckträger (608) und einem hinteren Aufnahmeträger (610) besteht, der im hinteren Steckträger (608) verstellbar ist, aufweist.
  11. Arbeitsmaschine (400) nach Anspruch 10, dadurch gekennzeichnet, dass der Rahmen (430) weiterhin aufweist:
    - einen ersten Längsträger (406),
    - einen zweiten Längsträger (602) parallel zum ersten Längsträger (406),
    - einen vorderen Querträger (408), der ein Ende des ersten Längsträgers (406) mit einem Ende des zweiten Längsträgers (602) verbindet, und
    - den hinteren Querträger (410), der parallel zum vorderen Querträger (408) ist und das andere Ende des ersten Längsträgers (406) mit dem anderen Ende des zweiten Längsträgers (602) verbindet.
  12. Arbeitsmaschine (400) nach Anspruch 11, dadurch gekennzeichnet, dass die beiden Schalungsplatten (100) in dem Raum angeordnet sind, der durch den ersten Längsträger (406), den zweiten Längsträger (602), den vorderen Querträger (408) und den hinteren Querträger (410) begrenzt ist.
  13. Arbeitsmaschine (400) nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass eine der Schalungsplatten (100) am ersten Längsträger (406) verstellbar angeordnet ist, und dass die andere Schalungsplatte (100) am zweiten Längsträger (602) verstellbar angeordnet ist.
  14. Arbeitsmaschine (400) nach einem der Ansprüche 8 bis 13, gekennzeichnet durch wenigstens eine Führungsvorrichtung (502, 504) für jede Schalungsplatte (100) zum Zusammenwirken mit der Schalungsplatte (100) während deren vertikaler Verstellung.
  15. Arbeitsmaschine (400) nach Anspruch 14, dadurch gekennzeichnet, dass jede Führungsvorrichtung (502, 504) wenigstens eine Gleitrolle (652) aufweist, die am Rahmen (430) sitzt, und dass jede Schalungsplatte (100) wenigstens eine Führungsschiene (122, 124) aufweist, in der eine der Gleitrollen (652) läuft.
  16. Arbeitsmaschine (400) nach einem der Ansprüche 8 bis 15, gekennzeichnet durch wenigstens eine Zugvorrichtung (620), um auf ineinander zu schiebende Kanalisationsrohre (670a, 670b) eine Zugkraft auszuüben.
  17. Arbeitsmaschine (400) nach Anspruch 16, dadurch gekennzeichnet, dass die Zugvorrichtung (620) wenigstens eine Befestigungsvorrichtung (1102) zum Befestigen der Zugvorrichtung (620) am Rahmen (430) oder an der Schalungsplatte (100) aufweist.
  18. Arbeitsmaschine (400) nach Anspruch 16 oder 17, gekennzeichnet durch zwei Zugvorrichtungen (620), die beiderseits der ineinander zu schiebenden Rohre (670a, 670b) angeordnet sind.
EP07011576A 2006-06-13 2007-06-13 Abstützplatte Not-in-force EP1900879B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0605262A FR2902119B1 (fr) 2006-06-13 2006-06-13 Panneau d'etaiement notamment pour tranchee et engin de travaux comportant un tel panneau d'etaiement

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EP1900879A1 EP1900879A1 (de) 2008-03-19
EP1900879B1 true EP1900879B1 (de) 2010-01-27

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DE (1) DE602007004544D1 (de)
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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH491254A (de) * 1967-04-07 1970-05-31 Jost Ag Heimberg Geb Spriessanlage
US3473336A (en) * 1967-05-18 1969-10-21 Emanuel Torti Adjustable trench shoring machine
DE2523732C3 (de) * 1975-05-28 1980-06-04 Leningradskoe Otdelenie Vsesojuznogo Proektno-Isyskatelskogo I Nautschno-Issledovatelskogo Instituta Gidroproekt Imeni S.J. Schuka, Leningrad (Sowjetunion) Anlage zum Abteufen in den Boden und Herausziehen aus dem Boden von Tragoder Hilfselementen, die bei der Herstellung von Pfahlgründungen verwendet werden
DE19813282A1 (de) * 1998-03-26 1999-09-30 Richter Wolfgang Grabenverbauvorrichtung
FR2799774B1 (fr) * 1999-10-13 2003-04-04 Martine Griguer Systeme de revetement en plaque de polyethylene formant des parois murales ou de coffrages temporaires servant a des soutiens de terre et de protections d'eventuels eboulis dans des tranchees
DE102004041116A1 (de) * 2004-08-24 2006-03-02 Emunds & Staudinger Gmbh Verbauvorrichtung

Also Published As

Publication number Publication date
ATE456709T1 (de) 2010-02-15
DE602007004544D1 (de) 2010-03-18
FR2902119B1 (fr) 2008-08-22
FR2902119A1 (fr) 2007-12-14
EP1900879A1 (de) 2008-03-19

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