EP3617409B1 - Vorrichtung und verfahren zum mechanischen füllen von gräben - Google Patents

Vorrichtung und verfahren zum mechanischen füllen von gräben Download PDF

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Publication number
EP3617409B1
EP3617409B1 EP19194103.8A EP19194103A EP3617409B1 EP 3617409 B1 EP3617409 B1 EP 3617409B1 EP 19194103 A EP19194103 A EP 19194103A EP 3617409 B1 EP3617409 B1 EP 3617409B1
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EP
European Patent Office
Prior art keywords
conveying
hopper
trench
backfilling
movement
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.)
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Application number
EP19194103.8A
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English (en)
French (fr)
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EP3617409A1 (de
Inventor
Pierre CASTANY
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STAT Travaux D'assainissement Et Travaux Agricoles Ste
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STAT Travaux D'assainissement Et Travaux Agricoles Ste
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Priority to PL19194103T priority Critical patent/PL3617409T3/pl
Publication of EP3617409A1 publication Critical patent/EP3617409A1/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
    • E02F5/22—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling
    • E02F5/223—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C2019/2055—Details not otherwise provided for
    • E01C2019/207—Feeding the distribution means
    • E01C2019/2075—Feeding the distribution means with longitudinal conveyor belt
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C2019/2055—Details not otherwise provided for
    • E01C2019/207—Feeding the distribution means
    • E01C2019/2085—Feeding the distribution means with transverse conveyor belt

Definitions

  • the present invention relates to a device and a method for the mechanical backfilling of trenches.
  • the present invention relates to the field of public works. It was carried out in the field of laying pipes in the ground.
  • pipe is meant here any type of pipe: cables (electrical, telephone, fibers, etc.), fluid pipes (gas, drinking water, waste water, etc.) or even ducts. It is then necessary to backfill the trench by filling it with one or more types of materials and, if necessary, finish with a coating layer, when the pipe is laid for example under a roadway.
  • the pipe is laid at the bottom of the trench according to a process which depends on the nature of the pipe. As this installation technique is not concerned by the invention, it is not developed here.
  • the trench should be backfilled.
  • the material extracted during the construction of the trench can be used to backfill the empty space between the pipe and the ground level.
  • This operation is most often carried out using a mechanical shovel which takes the backfill material (for example on a truck, at the edge of the trench, ...) to deposit it in the trench over the conduct. It can be done by dumping the material directly from the truck into the trench. It is then advisable to level the material to bring it to the level of the ground or else slightly below the level of the ground when a coating (tar or other) must be carried out in finishing.
  • the document US5765966 discloses a device which both makes a trench and deposits at the bottom of the latter a material, for example a material making it possible to modify the characteristics of the subsoil (to make it more stable or even more draining, for example). It includes a motorized machine which cantilever at the rear a tool for making the trench and placing a new material at the bottom of it, the new material being fed by a container also located at the rear of the gear. This device is not suitable for filling an already dug trench.
  • the document WO89 / 11569 shows a trench filling unit comprising a hopper for the storage of material to be introduced into the trench, a conveyor for moving the material from the hopper into the trench, as well as blades, which, in operational mode, are mounted in the trench and which have a lower edge defining the upper limit of the material moved in the trench. Said blades may be of variable width and be tiltable both with respect to the horizontal axis and to the vertical axis.
  • This filling unit takes place at the front of a motorized vehicle.
  • the conveyor moves the material in the hopper laterally with respect to the direction of travel of the motorized vehicle.
  • the device described above US5765966
  • the document FR2697036 shows a device of the road paver type which makes it possible to deposit in a single pass two different coatings, a main coating and an additional coating.
  • the coatings here are each spread over a road, each time by a distributor and a compaction and smoothing table.
  • the backfilling (and final coating) operation generally corresponds to the stage during the installation of an underground pipe which requires the most time and it is therefore the overall duration of this operation which determines the duration of the construction site. pose.
  • the object of the present invention is therefore to provide a method and a corresponding device making it possible to backfill a trench or the like more quickly.
  • the method according to the invention will make it possible to increase the level of quality of the backfill.
  • the present invention provides a device according to claim 1.
  • This device is quite original based on a structure already known to a paver. It is suitable here for mechanical backfilling of trenches. This device allows continuous backfilling and not discontinuous as usually done with a mechanical shovel. The time saving obtained is very significant. Ergonomics for the operator are also greatly improved.
  • the conveying means preferably make it possible to convey the backfill material from the rear of the machine towards the front thereof.
  • the forward and reverse direction is given by the elements (wheels, tracks or others) coming into contact with the ground, the first hopper being at the rear of the machine. It is possible to have a first hopper at least partially in rear overhang with respect to the elements (wheels, tracks or others) coming into contact with the ground.
  • the conveying means then make it possible to bring backfill material to the front of these elements coming into contact with the ground.
  • the guide means are provided to guide the filling material falling downstream of the conveying means towards a trench.
  • the guidance can be done for example in an essentially vertical direction or in a substantially horizontal direction.
  • the guide means may include a second hopper having an upper opening arranged under one end of the conveying means and a lower opening opening downwards.
  • the guide means may comprise two arms extending in a substantially horizontal direction and having substantially vertical faces and forming a dihedral. On the same device, it is possible to have both a second hopper and guide arms.
  • guide means comprising arms mounted to move transversely independently of one another.
  • the spacing between the arms, which defines the convergence zone can be adapted according to the width of the trench to be backfilled.
  • the above device can also further comprise means making it possible to vary the height position of the guide means.
  • the trenches are made under a roadway and the device can fill the trench by overlapping it. In certain cases, however, the trench may for example be made on the shoulder. It is then advantageous to be able to have the guide means cantilevered with respect to the motorized vehicle so that the device can come and fill the trench from the side.
  • the device described above provision is made, for example, for the device described above to further include means making it possible to move the guide means laterally with respect to the direction of movement of the motorized vehicle.
  • the conveying means of the device can then advantageously comprise means making it possible to carry out lateral conveying with respect to the direction of movement of the motorized vehicle.
  • the conveying means comprise for example a first conveying portion mounted on rollers extending between the elements intended to come into contact with a ground and defining a first conveying plane and at least one second conveying portion mounted on rollers extending the first conveying portion defining the first conveying plane, the second conveying portion defining a second conveying plane inclined upwards by compared to the foreground conveyor.
  • the movement of the backfill material transported by the conveying means according to the first conveying plane allows the backfill material to pass from one side of the motorized vehicle to the other while the movement by the conveying means according to the second conveying plane allows the backfill material to be "raised" to bring it above the guide means.
  • the first conveying portion and the second conveying portion can be formed for example by a conveyor belt.
  • the present invention also provides a method for mechanically backfilling a trench according to claim 11.
  • Such a method is particularly suitable for being implemented with a device as described above.
  • the motorized vehicle moves so that it is in front of the vehicle containing the filling material.
  • the device described above can be used for the implementation of all materials that fill a trench, from the laying bed to the road covering.
  • the device illustrated in the figures is preferably made from a finisher, that is to say a public works machine intended to uniformly deposit a coating on a roadway, in particular a bituminous mix.
  • such a paver comprises a device for spreading a coating material, hereinafter referred to as tar, on a roadway.
  • This device also called an adjustment table, has an elongated shape, is arranged transversely to the roadway and receives tar which is distributed over the adjustment table using, for example, a worm screw system.
  • the adjustment table is carried by a motorized wheeled or tracked machine.
  • This motorized machine has a control platform on which an operator is seated. In the "normal" direction of travel, that is to say when laying a coating, the adjustment table is located at the rear of the machine (to prevent the latter from rolling on the coating. which has just been installed and which is not yet dry).
  • the tar adjustment table is fed from a tar “reserve” placed in a hopper placed at the front of the machine.
  • a hopper is called a container with an opening in the lower part with walls inclined towards said opening and which allows, like a funnel, to store and gradually pour out (depending on the size of the opening in the lower part) a viscous material. and / or grainy.
  • the tar is conveyed from the hopper to the adjustment table by a bar conveyor, which extends from an extreme position under the opening of the hopper to the adjustment table.
  • the conveyor is usually placed under the control platform, between the wheels or tracks of the motorized vehicle.
  • a tipper truck is then placed in front of the paver (in the direction of travel), the tipping body of which is filled with tar.
  • the skip then gradually dumps tar into the paver hopper.
  • This tar is conveyed to the adjustment table which deposits it on the road. The rate of progress is given by the paver which pushes the truck which supplies it with tar.
  • the truck bed is empty, another similar truck comes to replace it.
  • the device proposed here takes the structure of a paver, except for its rear part with the adjustment table and the conveying means intended for tar are suitable.
  • the entire rear part of the machine is replaced by one or other of the structures illustrated in the drawing and described in detail below.
  • the figure 4 shows a mechanical backfill device as a whole.
  • the motorized vehicle 2 comprises a frame 6 which comes into contact with a ground by the intermediary of tracks 8 and which carries a first hopper 10 arranged here at the rear of the motorized vehicle 2. It seems unnecessary to describe this finisher in more detail, which is well known to those skilled in the art.
  • the motorized vehicle 2 moves on horizontal ground. Compared to the paver from which it is produced, the Mechanical backfill is intended in operation to move in reverse.
  • the first hopper 10 is therefore considered now and subsequently in the present description to be at the rear of the mechanical backfill device (while it was at the front of the paver).
  • the direction of movement of the motorized vehicle naturally defines a longitudinal direction, a transverse direction, a front and a rear of the vehicle.
  • an up / down orientation is also defined, the platform being in the high position and the tracks in the low position.
  • the figure 1 illustrates the front of the mechanical backfill device according to a first embodiment.
  • This front part essentially comprises a second hopper 12 supplied by a conveyor 14.
  • the second hopper 12 is formed by four sheets welded together.
  • a first sheet 16 is arranged vertically in a transverse position. It is used for the connection of the second hopper 12 with the mechanical backfill device.
  • Two side sheets 18 are attached to the first but are inclined relative to the vertical and a fourth transverse sheet 20 is itself inclined relative to the vertical.
  • Each of these four sheets has a lower edge and the four edges here form the edges of a lower opening 22.
  • the inclined sheets are inclined so that the upper edges of these four sheets form an opening much larger than the opening. lower 22.
  • a double dihedron is thus produced which guides and converts material falling from the top into the second hopper 12 towards the lower opening 22.
  • the upper edges of the side plates 18 and of the fourth plate 20 are each reinforced by a reinforcement tube 24. There are thus three reinforcement tubes 24 arranged in a U-shape in a substantially horizontal plane. The free ends of the U are fixed (welded) to the first sheet 16 of the second hopper 12. A reinforced hopper structure is thus produced.
  • the first sheet 16 of the second hopper 12 is mounted on a transverse spar 26.
  • the latter is fixed to the motorized vehicle by means of lateral arms 28: these are the arms which are used in the paver from which the present device is constructed to receive a adjustment table.
  • these lateral arms 28 are fixed each time by two jacks 30 to the frame 6 of the motorized vehicle 2. In this way, these arms can be translated upwards and / or downwards with or without a combination of this translational movement with a rotational movement. It is thus possible to achieve precise positioning of the second hopper 12.
  • Each end of the lateral arm 28 here receives a plate 32 which is connected by a connecting tube 34 to one end of the transverse spar 26, or near such an end.
  • the second hopper 12 is mounted to move relative to the transverse spar 26.
  • the second hopper 12 could be fixed on this spar 26 (or on any other structure making it possible to connect the second hopper to the frame 6, preferably to the side arms 28 originally serving to carry an adjustment table).
  • the transverse spar 26 forms a guide rail along which the second hopper 12 can translate.
  • the conveyor 14 is intended to bring backfill material (or other) from the first hopper 10 to the front of the motorized vehicle 2. It passes under the motorized vehicle 2, in particular under the engine of the vehicle. and under its control platform 4, and thus allows material to pass longitudinally from the rear of the motorized vehicle 2 to the front thereof.
  • This conveyor 14 has a first portion which extends substantially horizontally between the tracks 8. This first portion is located directly above the roadway and possibly the trench which has just been filled, depending on the position. of this trench relative to the motorized vehicle 2.
  • This same conveyor 14 has, downstream of this first portion, a second conveying portion which is inclined upwards.
  • the first portion of the conveyor corresponds substantially to the conveyor of the finisher which served to transport the coating material from the first hopper 10 to the adjustment table.
  • This "original" conveyor is extended with the second conveying portion which is preferably suitable for the application to the filling of trenches.
  • the conveyor used is most often a bar conveyor, it is chosen here to have a conveyor belt, more suitable for filling material.
  • the conveyor 14 thus has a first end below the first hopper 10. It then collects the material which falls by gravity out of this first hopper 10. Then, in the case illustrated in FIG. figure 1 , the conveyor 14 drives the material from the rear of the motorized vehicle 2 longitudinally to the front of the motorized vehicle 2 substantially horizontally (first conveying portion) and comes to bring it (second conveying portion) to 'above the second hopper 12. It then falls by gravity into the latter and then converges towards the lower opening 22, being guided by the second hopper 12.
  • the mechanical backfill device does not include an element that comes to take place under the lower opening 22 of the second hopper.
  • the figures illustrate a stiffener 38 disposed transversely in the lower opening 22 to prevent the two lower edges of the side plates 18 of the second hopper 12 from deviating and then modifying the width (measured transversely) of the lower opening of the hopper. second hopper 12.
  • this width corresponds to the width of a trench to be backfilled and it is therefore necessary to prevent, under the pressure of the material passing through the second hopper 12.
  • this stiffener 38, or any other reinforcing structure instead of this stiffener or complementary it is expected that the material in the second hopper flows freely.
  • the conveyor 14 is then in the middle position with respect to the mechanical backfill device.
  • the second hopper 12, itself, is then preferably also in the middle position.
  • the figures 2 and 3 show an advantageous variant embodiment.
  • This intermediate conveyor 40 is intended to receive the material transported by the conveyor 14 to bring it to the second hopper 12. While the conveyor 14 moves the material in a longitudinal direction, the conveyor intermediate 40 moves the material it receives in a transverse direction.
  • the intermediate conveyor 40 is composed of a conveyor belt guided and driven in a conventional manner by rollers. It has a first upstream end disposed below the downstream end of conveyor 14 such that the material conveyed by conveyor 14 falls by gravity onto intermediate conveyor 40. This material is then carried to a downstream end of the conveyor. intermediate conveyor 40 disposed above the second hopper 12, such that the material transported by this intermediate conveyor 40 falls by gravity into the second hopper 12.
  • the second hopper 12 is no longer arranged in the middle position relative to the mechanical backfill device but comes in lateral overhang.
  • the second hopper 12 is movable in lateral translation with respect to the spar 26 which serves as its guide rail.
  • the intermediate conveyor 40 must adapt to the position of the second hopper 12.
  • it is mounted on a tube 42 extending transversely under a downstream roller 44 of the conveyor 14, that is to say below the highest roller of the conveyor 14.
  • the tube 42 is for example mounted on arms longitudinal 46 which support the downstream roller 44.
  • the figure 4 shows a bracket 48 (the other bracket being hidden by it) which extends vertically from a longitudinal arm 46 downward.
  • the tube 42 is slidably mounted with respect to these fixing lugs 48.
  • the position of the second hopper 12 of the figure 2 being symmetrical with the position of the second hopper 12 on the figure 3 relative to a median plane of the mechanical backfill device, and the conveyor 14 being in the middle position with respect to the mechanical backfill device, it suffices to slide the tube 42 on one side or the other with respect to the longitudinal axis (with the intermediate conveyor 40) so that the intermediate conveyor 40 passes from its position shown on the figure 2 to the one illustrated on the figure 3 (or Conversely).
  • the direction of conveyance of the intermediate conveyor 40 is then modified by changing the direction of rotation of a drive motor of this conveyor.
  • the figures 5 to 8 show a second embodiment in which the second hopper of the first embodiment is replaced by arms forming a dihedral capable of guiding the filling material falling from the conveyor 14 towards a trench.
  • the second hopper 12 guides the filling material as it falls from the conveyor (conveyor 14 or intermediate conveyor 40) to make it converge in the trench, it is proposed here to drop the material. filling and then guide it to the trench when moving the mechanical backfill device. A “horizontal” guidance of the filling material is thus produced, whereas in the first embodiment this guidance was “vertical”.
  • the figures 5 to 8 thus illustrate, instead of the second hopper 12 of the figure 1 , guide means for the filling material capable of scraping the ground on either side of the trench.
  • This guide device is here U-shaped. In the illustrated embodiment, it comprises a base 50 and two arms 52 which widen out from the base 50 (or else which converge towards said base).
  • the base 50 and the two arms are for example made from a cut and folded (or welded) sheet.
  • the arms 52 and the base 50 are arranged substantially vertically. They each have a lower edge arranged such that the three lower edges lie in the same plane, which is substantially horizontal. This plane can be arranged at ground level, or else be slightly offset from the ground.
  • This horizontal guide device is mounted on the mechanical backfill device in the same way as the second hopper 12 is in the first embodiment.
  • the base 50 is mounted on the transverse spar 26.
  • the latter is fixed to the motorized vehicle by means of the lateral arms 28 as described with reference to figures 1 to 4 .
  • Each end of side arm 28 here receives a plate 32 which is connected by a tube link 34 at one end of the transverse beam 26, or near such an end. It is thus possible to achieve precise positioning of the horizontal guide means.
  • the arms 52 and the base 50 are arranged such that the material transported by the conveyor 14 falls between the arms 52 when it arrives at the downstream end of the conveyor 14.
  • the base 50 is placed behind the arms 52 so that the material which falls between the arms 52 is then pushed by the base 50 into the trench.
  • the embodiment illustrated on figures 5 to 8 provides that the means for guiding the filling material towards the trench, here the arms 52 (the second hopper 12 for the figures 1 to 4 ) is mounted to move relative to the transverse spar 26.
  • the base 50 and the arms 52 could be fixed on this side member 26 (or on any other structure making it possible to connect them to the frame 6, preferably to the side arms 28 originally used to carry an adjustment table).
  • the transverse spar 26 forms a guide rail along which the arms 52 can translate.
  • the figures 6 and 7 illustrate two extreme positions that the guide arms 52 can take. We find here, as on the figures 2 and 3 , the presence of the intermediate conveyor 40. It seems unnecessary to repeat here the description of this intermediate conveyor 40 and the description of the means making it possible to move the guide means.
  • the guide means (second hopper 12, arm 52) have a predetermined dimension, it is provided in the embodiment of the figure 9 to have adjustable guide means.
  • the means for guiding the backfill material comprise two arms 62 mounted symmetrically with each other with respect to a longitudinal vertical plane.
  • Each arm 62 comprises a vertical plate 64 disposed in a substantially vertical and longitudinal plane.
  • Each vertical plate 64 is substantially rectangular, one edge of each plate being intended to come to rest on the ground at the level of an edge of the trench to be backfilled. This edge thus forms the lower edge of the vertical plate 64.
  • the opposite edge, or upper edge, of the vertical plate 64 carries an inclined plate 66 which serves as a guide for orienting material falling from the conveyor 14 or from the intermediate conveyor 40 between them. two vertical plates 64.
  • the inclined plates 66 thus form a flared edge towards the outside with respect to the vertical plates 64.
  • Each arm 62 is mounted to move in a transverse direction (with respect to the direction of movement of the motorized vehicle 2), that is to say substantially perpendicular to the vertical plates 64.
  • a frame with two transverse rails 68 connected between them is expected.
  • the two rails 68 are mounted horizontally and are arranged one above the other vertically.
  • the arms 62 are slidably mounted between these two rails 68.
  • a jack 70 is provided each time between the frame and an arm 62, said jack 70 extending parallel to the rails 68. The lateral position of each arm 62 can thus be adjusted. regardless of the position of the other arm 62.
  • the arms 62 can move transversely to come in cantilever beyond the tracks 8 of the machine. motorized.
  • the frame with the rails 68 supporting the arms 62 is itself mounted to slide transversely on a structure 72 having for example at least one guide rail (or one guide groove) transverse. The frame with the arms 62 can then move to the left or to the right relative to the motorized vehicle.
  • a mechanical backfill device described above can be used as indicated below to perform the backfilling of a trench.
  • a second hopper 12 is chosen such that the dimensions of the lower opening 22 of this hopper are compatible with the width of the trench to be backfilled.
  • the width of the lower opening 22 will preferably be chosen just slightly less than the width of the trench so, on the one hand, not to put the filling material out of the trench during backfilling and, on the other hand , allow to have a uniform backfill over the entire width of the trench.
  • the second hopper 12 is positioned in the middle position ( figure 1 ) or in lateral position ( figure 2 or figure 3 ) according to the configuration of the land. The device is then ready for use.
  • the width of the base 50 corresponds to the width of the trench to be backfilled.
  • the means for guiding the filling material at the end of conveying are possible.
  • the arms 62 are positioned relative to the conveyor 14 (or to the intermediate conveyor 40) and relative to the edges of the trench to be filled.
  • the first hopper 10 In order to fill the first hopper 10, it is proposed to come and couple, on the side of this first hopper 10, a tipping dump truck so that its dumpster can flow into the first hopper 10.
  • the material poured into the first hopper 10 then falls by gravity onto the conveyor 14 to take it to the raised downstream end of the conveyor 14.
  • the backfill material then falls either directly into the second hopper 12 or between the arms 52 or 62, or through the intermediate conveyor 40.
  • the lower opening 22 of this second hopper 12 or the base 50 is just located. above the trench to be backfilled.
  • the plates 64 of the arms 62 are arranged at the level of the edges of the trench and thus locally extend the side walls of the trench.
  • the motorized vehicle 2 moves by adapting its speed to the flow of filling material transported by the conveyor 14.
  • a sensor placed at the front of the motorized vehicle can compare the filling level with respect to the level of the surrounding ground in order to come and regulate the flow of filling material by acting on the conveying speed at the level of the conveyor 14.
  • the motorized vehicle 2 pulls the dump truck which supplies it with filling material.
  • the operator who drives the machine and who is on the control platform 4 sees the trench to be backfilled and can anticipate in the event of a problem.
  • the motorized vehicle does not roll above (or next to) an uninfilled trench. There is no risk here of damaging the trench.
  • the machine passes above or beside it, it is already backfilled and therefore mechanically stable.
  • the mechanical backfill device described above can also be used to deposit just as easily a bedding, a pipe coating, one or more layers of backfill and / or one or more road finishing layers (serious cement, serious bitumen, coated). The process remains the same regardless of the need. Between two passages of the backfill device to add a layer of backfill or finishing, it will be necessary to provide a compacting step as conventionally carried out.
  • a device as described above makes it possible to significantly reduce the time for backfilling a trench.
  • Each backfill material automatically fills the trench uniformly. This considerably improves the quality of the backfill.
  • the same machine can also be used both for backfilling and for road finishing.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)

Claims (13)

  1. Vorrichtung zum mechanischen Füllen von Gräben, welche umfasst:
    - eine motorisierte Maschine (2) vom Typ einer Zugmaschine mit einem Fahrgestell (6), einem Motor und Elementen (8), die dazu bestimmt sind, mit einem Boden in Kontakt zu kommen, wie etwa Rädern oder Raupenketten, zur Fortbewegung der Vorrichtung in einer Bewegungsrichtung,
    - einen ersten Bunker (10), der dafür eingerichtet ist, ein Füllmaterial zu enthalten, und, bezogen auf die Bewegungsrichtung, auf einer Seite der motorisierten Maschine (2) angeordnet ist und eine Öffnung an einer niedrigen Position aufweist,
    gekennzeichnet durch
    - Fördermittel (14), die dafür eingerichtet sind, ein sich in dem ersten Bunker (10) befindendes Füllmaterial zu fördern, auf der in der Bewegungsrichtung entgegengesetzten Seite der motorisierten Maschine (2),
    wobei die Vorrichtung außerdem den Fördermitteln (14) nachgelagerte Führungsmittel (12; 50, 52) umfasst, die geeignet sind, von den Fördermitteln fallendes Füllmaterial zu einem Konvergenzbereich am Boden hin zusammenlaufen zu lassen, wobei die Fördermittel geeignet sind, das Material nach oben zu bewegen, um es in eine Position über den Führungsmitteln zu bringen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sich der erste Bunker (10) hinten an der motorisierten Maschine (2) wenigstens teilweise hinter den Elementen (8) befindet, die dazu bestimmt sind, mit dem Boden in Kontakt zu kommen, und dadurch, dass die Fördermittel (14) dafür eingerichtet sind, Füllmaterial vor diese Elemente (8) zu befördern, die dazu bestimmt sind, mit dem Boden in Kontakt zu kommen.
  3. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Führungsmittel einen zweiten Bunker (12) umfassen, der eine obere Öffnung, die unter einem Ende der Fördermittel (14) angeordnet ist, und eine untere Öffnung (22), die nach unten mündet, aufweist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Führungsmittel zwei Arme (52, 62) umfassen, die sich in einer im Wesentlichen horizontalen Richtung erstrecken und Seiten aufweisen, die im Wesentlichen vertikal sind und ein Dieder bilden.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Arme (62) der Führungsmittel jeweils unabhängig voneinander in Querrichtung beweglich angebracht sind.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass sie außerdem Mittel (28, 30) umfasst, die es ermöglichen, die Höhenposition der Führungsmittel (12) zu variieren.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sie außerdem Mittel (26; 72) umfasst, die es ermöglichen, die Führungsmittel in Bezug auf die Bewegungsrichtung der motorisierten Maschine (2) seitlich zu verlagern.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Fördermittel Mittel (40) umfassen, die es ermöglichen, eine seitliche Förderung in Bezug auf die Bewegungsrichtung der motorisierten Maschine (2) durchzuführen.
  9. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Fördermittel (14) einen auf Rollen gelagerten ersten Förderabschnitt, der sich zwischen den Elementen (8) erstreckt, die dazu bestimmt sind, mit einem Boden in Kontakt zu kommen, und der eine erste Förderebene definiert, und wenigstens einen auf Rollen (44) gelagerten zweiten Förderabschnitt, der den die erste Förderebene definierenden ersten Förderabschnitt verlängert, umfassen, wobei der zweite Förderabschnitt eine zweite Förderebene definiert, die in Bezug auf die erste Förderebene nach oben geneigt ist.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der erste Förderabschnitt und der zweite Förderabschnitt von einem Förderband gebildet werden.
  11. Verfahren zum mechanischen Füllen eines Grabens, dadurch gekennzeichnet, dass es die folgenden Schritte umfasst:
    - Bereitstellen einer Vorrichtung zum mechanischen Füllen von Gräben, die eine motorisierte Maschine (2) umfasst, die geeignet ist, die Vorrichtung in einer Bewegungsrichtung fortzubewegen, wobei die Vorrichtung einen ersten Bunker (10) auf einer Seite der motorisierten Maschine, bezogen auf die Bewegungsrichtung, umfasst, wobei Fördermittel (14, 40) ermöglichen, Füllmaterial von dem ersten Bunker (10) zu einer in der Bewegungsrichtung entgegengesetzten Seite der motorisierten Maschine zu bringen,
    - Ankuppeln eines Fahrzeugs, das ein Füllmaterial enthält, an die motorisierte Maschine (2),
    - Schütten von Füllmaterial in den ersten Bunker (10),
    - Fördern des Füllmaterials vom ersten Bunker (10) zur entgegengesetzten Seite der motorisierten Maschine, um das Material in eine Position über den Führungsmitteln zu bringen,
    - Verlagern eines nachgelagerten Endes der Führungsmittel im Wesentlichen über einen zu füllenden Graben und Führen des von den Fördermitteln fallenden Füllmaterials zum Graben hin.
  12. Verfahren zum mechanischen Füllen eines Grabens nach Anspruch 11, dadurch gekennzeichnet, dass die motorisierte Maschine (2) sich so fortbewegt, dass sie sich vor dem Fahrzeug befindet, welches das Füllmaterial enthält.
  13. Verfahren zum mechanischen Füllen eines Grabens nach einem der Ansprüche 11 oder 12, dadurch gekennzeichnet, dass die in Anspruch 11 definierten Schritte ein erstes Mal mit einem ersten Füllmaterial ausgeführt werden, und dadurch, dass dieselben Schritte für denselben Graben ein oder mehrere Male, nach einem Schritt der Verdichtung, mit einem ähnlichen oder anderen Füllmaterial wiederholt werden.
EP19194103.8A 2018-08-31 2019-08-28 Vorrichtung und verfahren zum mechanischen füllen von gräben Active EP3617409B1 (de)

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FR1857874A FR3085392B1 (fr) 2018-08-31 2018-08-31 Dispositif et procede pour le remblayage mecanique de tranchees

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GB8811991D0 (en) * 1988-05-20 1988-06-22 Barker A R Trench filling unit
FR2697037B1 (fr) * 1992-10-16 1994-12-16 Applic Derives Asphalte Dispositif et procédé pour déposer un matériau de reconstitution d'une chaussée dans une tranchée longitudinale.
FR2697036B1 (fr) * 1992-10-16 1995-02-03 Applic Derives Asphalte Dispositif pour la mise en Óoeuvre de revêtements de chaussée.
US5765966A (en) * 1996-10-01 1998-06-16 White; Thomas B. Sub-surface trenching and backfill apparatus
FR2899915B1 (fr) * 2006-04-14 2008-07-11 Famatec Soc Par Actions Simpli Procede et ensemble de traitement de materiaux mineraux provenant d'une tranchee

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FR3085392B1 (fr) 2022-10-14
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FR3085392A1 (fr) 2020-03-06
EP3617409A1 (de) 2020-03-04

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