EP3872267B1 - Aushubmaschine mit einem rahmen, der mit führungsflügeln versehen ist - Google Patents

Aushubmaschine mit einem rahmen, der mit führungsflügeln versehen ist Download PDF

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Publication number
EP3872267B1
EP3872267B1 EP21159160.7A EP21159160A EP3872267B1 EP 3872267 B1 EP3872267 B1 EP 3872267B1 EP 21159160 A EP21159160 A EP 21159160A EP 3872267 B1 EP3872267 B1 EP 3872267B1
Authority
EP
European Patent Office
Prior art keywords
frame
guide
guide flap
trench
excavation 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.)
Active
Application number
EP21159160.7A
Other languages
English (en)
French (fr)
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EP3872267A1 (de
Inventor
Scott KIRBY
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.)
Soletanche Freyssinet SA
Original Assignee
Soletanche Freyssinet SA
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Publication of EP3872267A1 publication Critical patent/EP3872267A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • 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
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22—Component parts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • E02F3/475—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets for making foundation slots
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/58—Component parts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis

Definitions

  • the invention relates to the field of the excavation of trenches in the ground, and the production of screens in the ground, in particular molded or prefabricated walls. It relates in particular to the techniques for producing arcuate diaphragm walls in the ground.
  • an excavation machine which can be a drilling bucket provided with buckets, or else a cutter provided with rotary cutting drums.
  • the excavation device therefore most often comprises a pair of buckets, when the excavation machine is a clamshell, or a pair of rotary cutting drums, when the excavation machine is a cutter.
  • the trench made using such an excavation machine generally has a cross section, considered in a horizontal plane, of substantially rectangular shape.
  • the trench has first and second main faces, which extend vertically parallel to each other, and first and second side faces which extend vertically, the side faces being smaller than the first and second main faces.
  • the first and second main faces are perpendicular to the first and second side faces.
  • a technique which consists in drilling a first trench, then a second trench at a distance from the first trench.
  • the portion of soil situated between the first and second trenches, generally called a merlon, is excavated during a third vertical drilling operation.
  • the merlon has a length—corresponding substantially to the distance separating the first and second trenches—less than the length of the cross section of the excavation device, considered in said horizontal plane. It follows that, during the vertical excavation of the barricade, the surface of the barricade is lower than the attack surface of the excavation device. As the excavation device is not supported over its entire attack surface, this sometimes has the effect of deflecting the excavation machine towards one or the other of the first and second trenches. Such a deviation is particularly troublesome when it leads to a deviation from the drilling trajectory and can lead to damage to the first and second trenches previously made. Such damage has the effect of generating an overconsumption of concrete necessary to fill the zones over-excavated by the excavation device having deviated. To overcome this risk, it is necessary to regularly correct the orientation of the frame, which is time-consuming and negatively affects productivity.
  • this problem arises when it is necessary to excavate a portion of ground whose horizontal section is less than the attack surface of the excavation device.
  • the document EP0887474 describes an excavation machine according to the preamble of claim 1, comprising lateral adjustment flaps to correct any deviation in trajectory.
  • An object of the present invention is to propose an excavation machine making it possible to limit the deviations of the excavation device, in particular during the drilling of the merlon located between two previously excavated trenches.
  • the excavation machine according to the invention therefore makes it possible in particular to improve the quality of production of the diaphragm walls.
  • the invention relates to an excavation machine according to claim 1 which further comprises at least a first guide device comprising at least a first guide flap projecting from the first lateral side of the frame towards the outside. of the frame, and considered in a plane perpendicular to the longitudinal direction of the frame, the first guide flap is inclined with respect to the first lateral side.
  • the first guide flap bears against one of the faces of a previously excavated trench, in order to avoid a deviation of the excavation device in the horizontal plane.
  • a trench traditionally comprises two large vertical main faces parallel to each other, and two small vertical side faces, parallel to each other and perpendicular to the large main faces.
  • the first guide flap therefore constitutes a lateral extension of the frame which bears against one of the faces of the trench.
  • the first guide flap slides against the trench wall during the lowering of the frame into the ground.
  • the first guide flap extends substantially continuously from the frame, so as to form a continuous guide surface between the frame and the first guide flap.
  • the first guide flap comprises a first guide face which is arranged in continuity with the first main side of the frame.
  • the angle of inclination between the first guide flap and the first lateral side is between 0° and 90°, preferably but not exclusively between 45° and 90°. More generally, the angle of inclination can be chosen so that the first guide flap is parallel to the first main side or to the second main side.
  • the first guide flap is parallel to the first main side of the frame.
  • the first guide flap bears against the first or second main vertical face of the trench, which prevents the frame from pivoting in a horizontal plane. The invention therefore makes it possible to prevent a deviation of the excavation device, in particular by pivoting in a horizontal plane.
  • At least one of the first and second main sides of the frame comprises a guide member arranged to bear against a main face of the trench, and the first guide flap and the guide member are coplanar. It is understood that the first guide flap and the guide member have bearing surfaces against a wall of the trench which extends in the same plane.
  • the guide member can for example consist of one or more plates or uprights which are configured to slide along the main face of the trench during the descent of the excavation machine into the ground. .
  • the first guide flap is removably fixed to the first lateral side of the frame or else to the first main side.
  • the first guide flap is pivotally mounted on the frame about a first axis parallel to the longitudinal direction, the first guide device further comprising a first blocking device for blocking the first flap in rotation. guiding with respect to the first lateral side.
  • An interest is to be able to fold the first guide flap against the first lateral side.
  • it is possible to drill the trench without having to remove the first guide device from the frame.
  • Another advantage of the pivoting assembly is to be able to adjust the angle of inclination of the first guide flap with respect to the first lateral side, thanks to which the same excavation machine can be used to produce different types and shapes of walls, in particular arched or cylindrical.
  • a single excavation machine can therefore be used on a construction site to produce walls having different configurations.
  • the excavation machine according to the invention further comprises a first cylinder for pivoting the first guide flap with respect to the first lateral side.
  • the cylinder can be controlled remotely by an operator. It can be hydraulic, electric, or even manually operated.
  • the cylinder can also serve as a first blocking device.
  • the first guide flap comprises a plate, preferably planar, which is parallel to the longitudinal direction of the frame.
  • the plate preferably bears against one of the main faces of the trench.
  • the first guide flap is arranged in the lower end part of the frame.
  • the first guide flap therefore preferably extends from a lower end part of the first lateral side of the frame.
  • the first guide device further comprises a pad disposed on a side edge of the first guide flap, the pad being provided to bear against a side face of a trench.
  • the shoe preferably extends along the side edge of the first guide flap. It makes it possible to produce a linear support against said lateral edge or against a longitudinal joint of the CWS type when it is present.
  • the first guide device further comprises a second guide flap connected to the first guide flap, such that the first guide flap is arranged between the frame and the second guide flap.
  • the second guide flap constitutes a lateral extension of the first guide flap.
  • the second guide flap is inclined with respect to the first guide flap.
  • Such a conformation makes it possible to increase the possible support zones on the walls of the adjacent trenches.
  • the second guide flap is pivotally mounted on the first guide flap about a second axis parallel to the first axis, the second guide device further comprising a second blocking device for blocking the second flap in rotation. guide relative to the first guide flap.
  • the first and second blocking devices can be actuated independently, in order to adapt the guiding device to the configuration of the adjacent trenches.
  • the first and second guide flaps are preferably retractable so as to be hidden when the excavation machine is used to drill the first or second trench.
  • the first and second guide flaps are therefore deployed during the drilling of the portion of soil constituting the merlon.
  • the excavation machine according to the invention comprises a second ram to cause the second guide flap to pivot relative to the first guide flap.
  • the second cylinder can be remotely controlled or else be of the manual type.
  • the second guide flap comprises a plate, preferably flat, which is parallel to the longitudinal direction of the frame.
  • the first guide device furthermore and preferably comprises a pad disposed on a side edge of the second guide flap, the pad being provided to bear against a side face of a trench.
  • the excavation machine according to the invention further comprises a second guide device comprising at least one third guide flap projecting with respect to the second lateral side of the frame towards the outside of the frame and, considered in a plane perpendicular to the longitudinal direction of the frame, the third guide flap is inclined with respect to the second lateral side of the frame.
  • first and third guide flaps are arranged on either side of the frame.
  • the third guide flap projects from the lower part of the frame.
  • the first and third guide flaps are both arranged in the lower part of the frame.
  • the second guide device comprises an additional guide flap, similar to the second guide flap, and connected to the third guide flap
  • the excavation machine according to the invention further comprises a third guide device provided with a fourth guide flap projecting with respect to the first or second lateral side of the frame towards the outside of the frame and, considered in a plane perpendicular to the longitudinal direction of the frame, the fourth guide flap is inclined with respect to the first or the second lateral side of the frame, the fourth guide flap projecting from the upper part of the frame.
  • the excavation machine is of the bucket type and the excavation device comprises a pair of movable buckets.
  • the excavation machine is a milling cutter and the excavation device comprises at least one cutting drum which is rotatable around an axis of rotation perpendicular to the first main side of the frame.
  • the contact between the second guide flap and the first main face and/or against the first lateral face of the first trench makes it possible to prevent a deflection of the frame, in particular during the drilling of the merlon.
  • a second trench is drilled vertically in the ground, said second trench being separated from the first trench by the ground portion.
  • an excavation machine provided with the first and second guide devices is used, so as to maintain the orientation of the frame with respect to the faces of the first and second trenches.
  • the first and second trenches are inclined relative to each other.
  • This excavation machine comprises a frame 12 extending along a longitudinal direction A between a lower end part 14 and an upper end part 16.
  • a longitudinal direction A extends along the Z axis.
  • the frame 12 has a first main side 20 which extends in the vertical plane XZ.
  • the frame 12 further comprises a second main side 22 which is opposite parallel to the main side 20. It is understood that the distance between the first and second main sides 20,22 corresponds to the width I.
  • the frame 12 further comprises a first lateral side 24 which extends in the vertical plane YZ.
  • the frame has a second lateral plane 26 which is opposed parallel to the first lateral side 24.
  • the distance between the first and second lateral sides 24.26 corresponds to the length L of the frame.
  • the frame 12 also has a height H which extends along the Z axis.
  • first and second main sides 20,22 and the first and second lateral sides 24,26 extend along the longitudinal direction A of the frame 12. Furthermore, the first and second lateral sides 24,26 are transverse , in particular perpendicular to the first and second main sides 20,22.
  • the excavation machine 10 further comprises an excavation device 30 which is arranged under the lower end part 14 of the frame 12.
  • the excavation device 30 comprises two cutting drums 32,34, known elsewhere, which are rotatable about axes of rotation C and D parallel to each other and perpendicular to the first main side 20 of the frame 12.
  • the excavation device 30 also comprises hydraulic motors known elsewhere, which, in this example, are integrated into the cutting drums 32,34.
  • the excavation machine 10 is suspended from a lifting cable 9 which is connected to the upper end part 16 of the frame 12.
  • the frame 12 also comprises guide members 42 which extend for their part along the second main side 22.
  • the frame 12 also comprises third guide members 44 which extend along the first lateral side 24 and fourth guide members 46 which extend along the second lateral side 26.
  • These guide members 40, 42,44,46 are known elsewhere and will not be described in more detail here.
  • the first, second, third and fourth guide members 40,42,44,46 are used to guide the vertical movement of the frame by bearing against the faces of the trench.
  • the excavation machine 10 further comprises a first guide device 50 whose function is to guide the vertical movement of the frame, bearing against a wall of an adjacent trench.
  • the first guide device 50 comprises, in this example, a first guide flap 52 which projects from the first lateral side 24 of the frame 12 towards the outside of the frame.
  • the first guide flap 52 is inclined with respect to the first lateral side 24.
  • the angle of inclination is referenced ⁇ 1 in the figures.
  • the angle ⁇ 1 is equal to about 90°, so that the first guide flap 52 is parallel to the first main side 20 of the frame 12.
  • the first guide flap 52 and the first guide member 40 are coplanar. More precisely, the first guide flap 52 and the first guide member 40 have bearing faces which extend in the same plane.
  • the angle of inclination ⁇ 1 between the first guide flap 52 and the first lateral side 24 is of the order of 45°.
  • the first guide flap 52 is pivotally mounted to the frame 12 around a first axis U1 which is parallel to the longitudinal direction A, in other words the axis U1 extends along the axis Z of the marker.
  • the angle of inclination ⁇ 1 between the first guide flap 52 and the first lateral side 24 which is therefore adjustable by pivoting of the first axis U1.
  • the first guide device 50 further comprises a first blocking device 54 for blocking the first guide flap 52 in rotation with respect to the first lateral side 24.
  • the first blocking device 54 consists of a first cylinder 55, which also has the function of causing the first guide flap 52 to pivot relative to the first lateral side 24.
  • This first cylinder 55 can be manual or actuated by electrical or hydraulic means.
  • the pivoting amplitude of the first guide flap 52 relative to the first lateral side 24 is between 0°, the position in which the first guide flap 52 is folded back against the lateral side 54, and around 90°, the position in which the first guide flap 52 is parallel to the first guide member 40 ).
  • this amplitude is between 45° and 90°.
  • the first guide flap 52 comprises a plate 53, which is flat and which is parallel to the longitudinal direction of the chassis, in other words this plate 53 is located in a vertical plane which is either parallel to the plane of the first main side or inclined with respect to the latter.
  • the first guide flap 52 is arranged in the lower end part 14 of the frame 12.
  • the first guide device 50 further comprises a pad 51 disposed on a side edge 52a of the first guide flap 52.
  • the pad 55 is provided to bear against a side face of a trench.
  • the first guide device 50 further comprises a second guide flap 56 which is connected to the first guide flap 52 so that the first guide flap 52 is disposed between the frame 12 and the second guide flap 56.
  • the second guide flap 56 is juxtaposed with the first guide flap 52.
  • the first and second flaps 52,26 can be parallel.
  • the second guide flap 56 is inclined at an angle ⁇ 1 with respect to the first guide flap 52.
  • This angle ⁇ 1 is therefore between 0° and 180°. It is understood that when the angle ⁇ 1 is equal to 180°, the first and second guide flaps 52,56 are parallel to each other.
  • the second guide flap 56 is pivotally mounted on the first guide flap 52 about a second axis U2 which is parallel to the first axis U1.
  • the second guide device comprises a second blocking device 58 for blocking the second guide flap 56 in rotation with respect to the first guide flap 52.
  • the second locking flap 58 includes a second jack 59, similar to the first jack 55, this second jack 59 also having the function of moving the second guide flap 56 by pivoting with respect to the second guide flap 52.
  • the second cylinder 59 therefore makes it possible to orient and block the second guide flap 56 with respect to the second guide flap 52.
  • the second guide flap 56 comprises a plate 57, which is flat, parallel to the longitudinal direction of the frame. Plate 57 is also in a vertical plane.
  • the first guide device 50 further comprises a pad 61, similar to the pad 51 previously described, which is arranged on a side edge 56 a of the second guide flap 56, the pad being provided to bear against a side face of a trench as will be explained below.
  • the pad extends vertically and is fitted to the side edge 56a .
  • the excavation machine further comprises a second guide device 60 which comprises a third guide flap 62 projecting with respect to the second side 26 of the frame 12.
  • the third guide flap projects towards the outside of the frame from the lower part of the frame.
  • the third guide flap 62 could alternatively project from the upper part 16 of the frame.
  • the structure of the second guide device 60 is similar to that of the first guide device 50.
  • the second guide device 60 could have a shape or a number of guide flaps different from the first device guide 50.
  • the second guide device 60 is shaped such that, considered in an XY plane perpendicular to the longitudinal direction A of the frame 12, the third guide flap 62 is inclined by a angle ⁇ 2 relative to the second side 26 of the frame 12.
  • the angle ⁇ 2 is substantially equal to 90° so that the third guide flap 62 is parallel to the main side of the frame 12, while being parallel to the first guide flap 52. More exactly, in the example of picture 2 , the first and second guide flaps 52,62 have bearing faces 52b and 62b which are coplanar.
  • the angle of inclination ⁇ 2 of the third guide flap 62 with respect to the second lateral side 26 is of the order of 45°, is similar to the angle ⁇ 1 .
  • the third guide flap 62 is pivotable with respect to the chassis around an axis of rotation U3 parallel to the axis of rotation U1 , so that the angle of inclination ⁇ 2 is adjustable.
  • a cylinder 63 is provided, similar to the first cylinder 54 , in order to adjust the inclination ⁇ 2 , and to immobilize the third guide flap 62 relative to the frame 12.
  • the second guide device further comprises an additional guide flap 64 which rises and pivots relative to the third guide flap 62 about an axis of rotation U4 which is parallel to the axis of rotation U3.
  • the angle of inclination ⁇ 2 between the additional guide flap 64 and the third guide flap 62 is adjustable by means of a jack 65 similar to the second jack 59 of the first guide device 50.
  • the additional guide flap 64 which extends in a vertical plane, is also provided with a pad 61.
  • FIG. 8 illustrates another embodiment of the excavation machine according to the invention.
  • the excavation machine 10 further comprises a third guide device 70 which is provided with a fourth guide flap 72 which projects with respect to the first lateral side 24 of the frame 12 towards the outside. of the chassis.
  • the first and fourth guide flaps 52,72 extend essentially in the same vertical plane.
  • the excavation machine 10 further comprises a fourth guide device 80, projecting from the upper part 16 of the chassis, which comprises a fifth guide flap 82 which also projects with respect to the second lateral side 26 of the chassis towards the outside of the frame.
  • the fifth guide flap 82 is inclined with respect to the second lateral side 26 of the frame 12, the fifth guide flap 82 projecting from the upper part of the chassis.
  • first, fourth and fifth guide flaps 72,82 extend substantially in the same vertical plane.
  • FIG 9 illustrates an excavation machine 10 according to a variant of that of figure 1 .
  • the excavation machine is a grab.
  • Its excavation device 30 comprises a pair of movable buckets 31,33, known elsewhere.
  • a first embodiment of drilling in a ground S has been illustrated.
  • a ground S has been illustrated in top view.
  • a first trench 100 is drilled vertically in the ground S having a main face 102 which is vertical as well as a second main face 104 parallel to the first main face 102.
  • the first trench 100 further comprises a second lateral face 108 which is parallel to the first side face 106 ; the first and second side faces 106.108 being perpendicular to the first and second main faces 102.104.
  • a portion of soil P is drilled vertically in the ground using the excavation machine of the figure 4 having previously folded down or removed the second guide device 60.
  • the length q of the ground portion P is much less than the length LT of the trench 100.
  • the excavation machine whose excavation device is arranged cantilevered over the portion of ground P, is guided during its vertical movement by the first guide flap 52 which bears against the first main face 102 of the first trench 100 . Furthermore, the second guide flap 56 comes to bear by its lateral edge 56 provided with the shoe 61 against the first lateral side 106.
  • the guide device 50 via the first and second guide flaps 52,56, makes it possible to prevent the excavation machine 10 from deviating in the direction X during the drilling of the portion P. Indeed, insofar as the surface, considered in a horizontal plane XY of the portion of soil P is less than the surface of section of the excavation device 30, the excavation machine 10 would risk in the absence of the first guide device 50, to deviate in direction X. In other words, the first guide device 50 keeps the excavation machine correctly oriented in the ground in order to maintain the desired drilling direction.
  • a first trench 200 is drilled vertically in the ground S, the first trench having a first main face 202, a second main face 204 parallel to the first main face, a first lateral face 206 which is orthogonal to the first main face 202 and a second side face 208 which is parallel to the first side face 206.
  • first trench 200 and the second trench 300 have first main faces 202, 302 which are parallel to each other, preferably coplanar.
  • the soil portion P is generally referred to as a merlon.
  • the length e of the ground portion P is less than the length LT of the first and second trenches 200,300.
  • the second trench 300 also includes first and second main faces 302, 304 and first and second side faces 306,308.
  • the excavation machine 10 is lowered vertically to the right of the portion of soil P to be excavated. As can be seen on the Figure 6B , the length L of the frame 12 of the excavation machine 10 is substantially greater than the length e of the ground portion P.
  • the first and second guide devices 50,60 are deployed so that the first guide flap 52 bears against the first main face 202, the pad 61 of the second guide flap 56 bears against the first side face 206, the third guide flap 62 (of the second guide device 60 ) bears against the first main face 302 of the second trench 300 while the pad 61 of the additional guide flap 64 of the second guide device 60 bears against the second side face 308 of the second trench 300.
  • This conformation makes it possible to prevent untimely movement of the excavation machine in the direction X, thanks to the pads 61 which rest against the side faces 206,308 of the first and second trenches, and also prevents rotation of the frame around the axis Z thanks to the support of the first and third guide flaps 52.62 against the first main faces of the first and second trenches.
  • the second guide flap 56 can also bear against the first main face 202 of the first trench 200, similarly the additional guide flap 64 could bear against the first main face 302 of the second trench 300.
  • Figures 7A and 7B differs from that of Figures 6A and 6B in that the first and second trenches are, considered in the horizontal plane XY, inclined relative to each other. This means in particular that the first side faces 202.302 of the first and second trenches 200.300 are not parallel.
  • the portion of soil P located between the first and second trenches 200,300 has a trapezoidal shape. The interest of such an arrangement and to form an arched wall element.
  • the first and second guide devices 50,60 are deployed in the same way as in the embodiment illustrated in Figure 6B , so that the first and third guide flaps 52,62 bear against the first main faces 202,302 of the first and second trenches 200,300, while the pads 61 of the first and second guide devices bear respectively against the first face side 206 of the first trench and the second side face 308 of the second trench.
  • angles of inclination ⁇ 1 and ⁇ 2 of the first and third guide flaps 52.62 with respect to the first and second sides 24.26 of the frame 12 are less than 90°.
  • the angles of inclination ⁇ 1 and ⁇ 2 are adjusted by operating the cylinders 54 and 63.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Claims (20)

  1. Aushubmaschine (10) zum Anlegen eines Grabens in einem Boden, umfassend:
    einen Rahmen (12), der sich in einer Längsrichtung (A) zwischen einem unteren Endabschnitt (14) und einem oberen Endabschnitt (16) erstreckt, wobei der Rahmen (12) eine erste Hauptseite (20), eine zweite Hauptseite gegenüber der ersten Hauptseite, eine erste laterale Seite (24) und eine zweite laterale Seite (26) gegenüber der ersten lateralen Seite aufweist, wobei sich die erste und die zweite Hauptseite (20,22) und die erste und die zweite laterale Seite (24,26) in der Längsrichtung (A) des Rahmens (12) erstrecken, wobei die erste und die zweite laterale Seite (24,26) quer zu der ersten und der zweiten Hauptseite (20,22) liegen;
    eine Aushubvorrichtung (30), die unter dem unteren Endabschnitt (14) des Rahmens (12) angeordnet ist;
    mindestens eine erste Führungsvorrichtung (50), umfassend mindestens eine erste Führungsklappe (52), die aus der ersten lateralen Seite (24) des Rahmens nach außen von dem Rahmen hervorsteht, wobei die erste Führungsklappe (52) in Bezug auf die erste laterale Seite (24) im Sinne einer Ebene senkrecht zur Längsrichtung (A) des Rahmens (12) geneigt ist,
    dadurch gekennzeichnet, dass die erste Führungsklappe (52) schwenkbar um eine erste Achse (U1) parallel zur Längsrichtung (A) an den Rahmen (12) montiert ist, wobei die erste Führungsvorrichtung (50) ferner eine erste Blockiervorrichtung (54) zum Blockieren der ersten Führungsklappe (52) bei Drehung in Bezug auf die erste laterale Seite (24) umfasst.
  2. Aushubmaschine nach Anspruch 1, wobei die erste Führungsklappe (52) parallel zur ersten Hauptseite (20) des Rahmens (12) verläuft.
  3. Aushubmaschine nach Anspruch 2, wobei mindestens eine der ersten und der zweiten Hauptseite des Rahmens ein Führungselement (40,42,44,46) umfasst, das eingerichtet ist, um an einer Hauptfläche des Grabens zur Anlage zu kommen, und wobei die erste Führungsklappe (52) und das Führungselement koplanar sind.
  4. Aushubmaschine nach einem der vorhergehenden Ansprüche, umfassend einen ersten Zylinder (55), um die erste Führungsklappe (52) in Bezug auf die erste laterale Seite (24) zu schwenken.
  5. Aushubmaschine nach einem der vorhergehenden Ansprüche, wobei die erste Führungsklappe (52) eine Platte (53), vorzugsweise ebener Art, beinhaltet, die parallel zur Längsrichtung des Rahmens verläuft.
  6. Aushubmaschine nach einem der vorhergehenden Ansprüche, wobei die erste Führungsklappe (52) im unteren Endabschnitt (14) des Rahmens (12) angeordnet ist.
  7. Aushubmaschine nach einem der vorhergehenden Ansprüche, wobei die erste Führungsvorrichtung (50) ferner einen Fuß (51,61) beinhaltet, der an einem Seitenrand (52a) der ersten Führungsklappe (52) angeordnet ist, wobei der Fuß (55) vorgesehen ist, um an einer lateralen Fläche eines Grabens zur Anlage zu kommen.
  8. Aushubmaschine nach einem der vorhergehenden Ansprüche, wobei die erste Führungsvorrichtung (50) ferner eine zweite Führungsklappe (56) umfasst, die derart mit der ersten Führungsklappe (52) verbunden ist, dass die erste Führungsklappe (52) zwischen dem Rahmen (12) und der zweiten Führungsklappe (56) angeordnet ist.
  9. Aushubmaschine nach Anspruch 8, wobei die zweite Führungsklappe (56), im Sinne einer Ebene senkrecht zur Längsrichtung (A) des Rahmens (12), in Bezug auf die erste Führungsklappe (52) geneigt ist.
  10. Maschine nach Anspruch 8 oder 9, wobei die zweite Führungsklappe (56) schwenkbar um eine zweite Achse (U2) parallel zur ersten Achse (U1) an die erste Führungsklappe (52) montiert ist, wobei die zweite Führungsvorrichtung ferner eine zweite Blockiervorrichtung (58) zum Blockieren der zweiten Führungsklappe (56) bei Drehung in Bezug auf die erste Führungsklappe (24) umfasst.
  11. Aushubmaschine nach Anspruch 10, umfassend einen zweiten Zylinder (59), um die zweite Führungsklappe (56) in Bezug auf die erste Führungsklappe (52) zu schwenken.
  12. Aushubmaschine nach einem der Ansprüche 8 bis 11, wobei die zweite Führungsklappe (56) eine Platte (57), vorzugsweise ebener Art, beinhaltet, die parallel zur Längsrichtung des Rahmens verläuft.
  13. Aushubmaschine nach einem der Ansprüche 8 bis 12, wobei die erste Führungsvorrichtung (50) ferner einen Fuß (59) beinhaltet, der an einem Seitenrand (56a) der zweiten Führungsklappe (56) angeordnet ist, wobei der Fuß vorgesehen ist, um an einer lateralen Fläche eines Grabens zur Anlage zu kommen.
  14. Aushubmaschine nach einem der vorhergehenden Ansprüche, ferner umfassend eine zweite Führungsvorrichtung (60), die mindestens eine dritte Führungsklappe (62) umfasst, die in Bezug auf die zweite laterale Seite (26) des Rahmens (12) nach außen von dem Rahmen hervorsteht, und wobei die dritte Führungsklappe (62), im Sinne einer Ebene senkrecht zur Längsrichtung (A) des Rahmens (12), in Bezug auf die zweite laterale Seite (26) des Rahmens (12) geneigt ist.
  15. Aushubmaschine nach Anspruch 14, wobei die dritte Führungsklappe (62) aus dem unteren Abschnitt (14) des Rahmens hervorsteht.
  16. Aushubmaschine nach Anspruch 14 oder 15, ferner umfassend eine dritte Führungsvorrichtung (70), die mit einer vierten Führungsklappe (72) versehen ist, die in Bezug auf die erste oder die zweite laterale Seite (24,26) des Rahmens (12) nach außen von dem Rahmen hervorsteht, und wobei die vierte Führungsklappe (72), im Sinne einer Ebene senkrecht zur Längsrichtung (A) des Rahmens, in Bezug auf die erste oder die zweite laterale Seite des Rahmens geneigt ist, wobei die vierte Führungsklappe aus dem oberen Abschnitt des Rahmens hervorsteht.
  17. Verfahren zum Bohren in einen Boden (S), wobei:
    ein erster Graben (100) vertikal in den Boden (S) gebohrt wird, wobei der erste Graben eine erste Hauptfläche, die vertikal verläuft, sowie eine erste laterale Fläche (104), die vertikal und orthogonal zu der ersten Hauptfläche (102) verläuft, aufweist; anschließend
    ein Bodenteil (P) mithilfe der Aushubmaschine nach einem der Ansprüche 1 bis 16 vertikal in den Boden gebohrt wird, wobei die erste Führungsklappe (52) während der Bohrung des Bodenteils an der ersten Hauptfläche (102) des ersten Grabens zur Anlage kommt.
  18. Verfahren zum Bohren in einen Boden, wobei:
    ein erster Graben (200) vertikal in den Boden (S) gebohrt wird, wobei der erste Graben eine erste Hauptfläche (202) und eine erste laterale Fläche (206), die orthogonal zu der ersten Hauptfläche verläuft, aufweist; anschließend
    ein Bodenteil (P) mithilfe der Aushubmaschine nach Anspruch 8 und einem der Ansprüche 9 bis 16 vertikal gebohrt wird, wobei die zweite Führungsklappe (56) während der Bohrung des Bodenteils an der Hauptfläche und/oder an der ersten lateralen Fläche (106) des ersten Grabens zur Anlage kommt.
  19. Verfahren zum Bohren nach Anspruch 17 oder 18, wobei nach dem Bohren des ersten Grabens (200) und vor dem Bohren des Bodenteils (P) vertikal ein zweiter Graben (300) in den Boden gebohrt wird, wobei der zweite Graben (300) durch den Bodenteil (P) von dem ersten Graben getrennt ist.
  20. Verfahren zum Bohren nach Anspruch 19, wobei der erste und der zweite Graben (200,300) im Sinne einer horizontalen Ebene zueinander geneigt sind.
EP21159160.7A 2020-02-25 2021-02-25 Aushubmaschine mit einem rahmen, der mit führungsflügeln versehen ist Active EP3872267B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2001824A FR3107537B1 (fr) 2020-02-25 2020-02-25 Machine d’excavation ayant un châssis muni d’ailes de guidage

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EP3872267A1 EP3872267A1 (de) 2021-09-01
EP3872267B1 true EP3872267B1 (de) 2023-08-30

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US (1) US20210262192A1 (de)
EP (1) EP3872267B1 (de)
FR (1) FR3107537B1 (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628772B1 (fr) * 1988-03-18 1990-08-24 Sif Entreprise Bachy Systeme de guidage de l'outil d'excavation utilise pour la realisation d'une paroi moulee dans le sol
FR2765257B1 (fr) * 1997-06-25 1999-09-03 Bachy Benne d'excavation a cables perfectionnee
FR2771429B1 (fr) * 1997-11-25 2000-02-18 Sol Comp Du Benne de forage a correction de verticalite
EP1703023B1 (de) * 2005-03-18 2011-06-22 BAUER Maschinen GmbH Tiefbauvorrichtung zum Herstellen von Schlitzen im Boden mit Lenk- und Steuereinrichtung
FR2888859B1 (fr) * 2005-07-21 2007-10-19 Cie Du Sol Soc Civ Ile Installation de realisation de paroi enterree par melange du sol avec un liant et procede de correction de trajectoire de la tete de forage d'une telle installation
ITUD20060105A1 (it) * 2006-04-21 2007-10-22 Casagrande Spa Apparato per l'accessibilita' a mezzi di motorizzazione
ITUD20060106A1 (it) * 2006-04-21 2007-10-22 Casagrande Spa Dispositivo di scavo
IT1394900B1 (it) * 2009-06-09 2012-07-20 Soilmec Spa Dispositivo di scavo ed analisi del profilo dello scavo stesso e metodo associato.
EP2378002B1 (de) * 2010-04-16 2013-07-17 BAUER Maschinen GmbH Fräsvorrichtung zum Erstellen vertikal verlaufender Schlitze im Boden
FR3007048B1 (fr) * 2013-06-12 2015-07-03 Soletanche Freyssinet Procede et installation de fabrication d'une paroi continue dans le sol
FR3041024B1 (fr) * 2015-09-10 2017-09-29 Soletanche Freyssinet Machine de forage munie d'un dispositif d'ancrage permettant un deplacement horizontal du module de forage en position ancree
IT201700022210A1 (it) * 2017-02-28 2018-08-28 Soilmec Spa Dispositivo di misura di uno scavo.

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Publication number Publication date
FR3107537A1 (fr) 2021-08-27
FR3107537B1 (fr) 2022-04-08
US20210262192A1 (en) 2021-08-26
EP3872267A1 (de) 2021-09-01

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