EP4555152A1 - Dispositif de réception de matériau pour une excavatrice à aspiration, et excavatrice à aspiration comportant ledit dispositif de réception de matériau - Google Patents

Dispositif de réception de matériau pour une excavatrice à aspiration, et excavatrice à aspiration comportant ledit dispositif de réception de matériau

Info

Publication number
EP4555152A1
EP4555152A1 EP23764574.2A EP23764574A EP4555152A1 EP 4555152 A1 EP4555152 A1 EP 4555152A1 EP 23764574 A EP23764574 A EP 23764574A EP 4555152 A1 EP4555152 A1 EP 4555152A1
Authority
EP
European Patent Office
Prior art keywords
suction
hose
swivel joint
joint
receiving device
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.)
Granted
Application number
EP23764574.2A
Other languages
German (de)
English (en)
Other versions
EP4555152B1 (fr
Inventor
Anne Graber
Patrick Renger
Stefan Müller
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.)
Rsp & Co Kg GmbH
Original Assignee
Rsp & Co Kg GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rsp & Co Kg GmbH filed Critical Rsp & Co Kg GmbH
Publication of EP4555152A1 publication Critical patent/EP4555152A1/fr
Application granted granted Critical
Publication of EP4555152B1 publication Critical patent/EP4555152B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E02F3/8816—Mobile land installations
    • E02F3/8825—Mobile land installations wherein at least a part of the soil-shifting equipment is mounted on a dipper-arm, backhoes or the like
    • 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
    • E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/301—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
    • E02F3/3681—Rotators

Definitions

  • Material pickup device for a suction excavator and suction excavator with this material pickup device
  • the present invention relates to a material pickup device with an articulated hose carrier and a suction hose for attachment to a suction excavator.
  • the invention also relates to a suction excavator with the material pickup device with an articulated hose carrier and suction hose.
  • a suction excavator is a vehicle with a vehicle frame that carries a material collection container that can preferably be tipped out.
  • a suction excavator has a telescoping device which has two telescopic arms, the container-side end of which is each arranged on a tilting axis about which the material collecting container can be rotated, the frame-side end of each telescopic arm being arranged on the vehicle frame.
  • the suction hose is regularly arranged at one end on the suction excavator and has a suction nozzle at its other end, by means of which material can be sucked in. The sucked material is transported through the suction hose and placed into the material collection container.
  • a suction hose has a larger diameter than standard hoses, such as those used for pumping out water or supplying liquid concrete.
  • Known articulated hose carriers for suction excavators have angle-variable joints between individual links, so that the links can be moved or moved in a single plane. are rotatable. Furthermore, a rotation of the articulated hose carrier about a pivot point is made possible via a rotary drive, this rotary drive forming the connection between the articulated hose carrier and the vehicle.
  • the plane in which the joint hose carrier is located extends, can thus be described by the axis of rotation of the rotary drive and the pivoting direction of the first link, which is attached to the rotary drive; it is regularly perpendicular to the vehicle floor or Vehicle frame.
  • connection is therefore a rotatable mounting bracket.
  • This known arrangement results in a working area that can be described by a cylindrical coordinate system.
  • a typical articulated hose carrier for suction excavators has a number n of links, preferably n>4, with joints in between, whereby an angle change can be effected between the links using an associated drive.
  • simple articulated tube supports with fewer than four links are also possible.
  • suction excavators have a limited working area or has a limited working area because its members can only be moved in one plane.
  • a broad range of applications is generally preferred for suction excavators, as a wide variety of areas can be processed or cleaned.
  • intersecting pipes in the ground should be vacuumed free from all sides or building rubble should be vacuumed out of a building.
  • a change in the position of the vehicle is sometimes necessary.
  • equipment is necessary, although the maneuvering area on construction sites is usually limited, or it requires manual work by a person using a shovel or similar. Therefore, for certain applications, a more flexible material receiving device, in particular with a further degree of freedom of the articulated hose carrier, is desirable.
  • EP 2 149 434 B1 describes a swivel joint and a swivel joint for an industrial robot.
  • the swivel joint connection is arranged between a work device and a joint section and includes a rotatable shaft section with a fluid transport path.
  • the fluid transport path is formed by a hose path which consists of two hoses which are loosely spirally wound at a distance around a rotating section.
  • the type and size of such supply hoses are not suitable for suctioning coarse material.
  • EP 3 705 662 A1 describes an articulated arm control of a concrete pump.
  • the articulated arm consists of a turntable and four segments, with the turntable having a swivel joint that can be controlled by a hydraulic motor.
  • EP 0 166 800 A1 shows a head piece for a movable or stationary refueling system, comprising a refueling coupling and a pipeline.
  • the pipeline consists of five pipe sections, each connected by a swivel joint with a single degree of freedom. Three of the five swivel joints have parallel axes of rotation. The other two swivel joints have axes of rotation which are arranged perpendicular to the aforementioned axes of rotation of the three swivel joints.
  • the head piece has a further swivel joint at one end, which serves as a connection to the refueling system. Due to the use of pipe sections that are not flexible, the refueling area is limited.
  • the articulated hose carrier has at least three links, and an angle change can be effected between adjacent links using an associated drive.
  • US 3, 495, 878 A describes a pipe device for the pneumatic transport of bulk goods.
  • the device comprises a stationary tube, a rotatable tube which is rotatably connected at one end to the end of the stationary tube, a flexibly bendable tube unit which is connected at its end to the other end of the rotatable tube.
  • a first drive device causes a rotational movement of the rotatable tube and the flexible tube unit.
  • a second drive device is provided for bending the flexible tube unit, thereby causing a lifting movement.
  • the DE 10 2018 004 334 Al describes a suction excavator with a chassis and a structure arranged on the chassis.
  • the structure includes a proboscis for picking up suction material and a proboscis arm with at least one arm member for supporting the proboscis.
  • the suction nozzle arm can be pivoted about a first pivot axis that runs parallel to a height axis of the suction excavator.
  • the suction nozzle arm is mounted on a support element with one end facing the structure.
  • the support element can be pivoted together with the suction nozzle arm relative to the structure about a second pivot axis running parallel to a longitudinal axis of the suction excavator and can also be fixed together with the suction nozzle arm in various pivoting positions relative to the structure.
  • EP 3 399 108 Bl shows an articulated suction arm of a suction excavator.
  • the suction arm comprises at least two parts that are defined in the same plane and are hinged to one another in a pivotal connection along a first axis perpendicular to the plane.
  • the two parts define a rear end and a front end.
  • a base piece is pivotally connected to the rear end along a second axis perpendicular to the plane.
  • Pivotal connection means are disposed on the base piece to pivot the at least two parts along a third axis defined in the plane.
  • a nozzle located in the front end region is configured to be connected to a front end of a suction line.
  • the nozzle defines a fourth axis which is defined in the plane corresponding to an initial position.
  • the suction arm includes a tilting device configured to change the orientation of the nozzle such that the fourth axis can be tilted to one side or the other of the plane.
  • Eccentrically arranged hydraulic cylinders are used as the tilting device, which tilt the fourth axis or of the corresponding section of the suction arm by approximately 10°. Larger inclinations, for example of around 90°, are possible due to the not possible with the selected structure. Therefore, certain areas in the subsurface cannot be reached through the nozzle.
  • One object of the present invention is to provide a material pickup device for suction excavators with an enlarged or To provide a work space that is easier to reach, without the risk of the suction hose being damaged during the movement of the articulated hose carrier or its diameter being reduced, so that a continuous flow of material is maintained in any working position.
  • a working position of the suction nozzle should be able to be reached from different directions without the suction dredger having to change its position.
  • the problem is solved by a material pickup device with an articulated hose carrier and a suction hose according to the attached claim 1 and by a suction excavator with the material pickup device with an articulated hose carrier and a suction hose according to the independent claim 10.
  • the material pickup device comprises an articulated hose carrier and a suction hose, wherein the articulated hose carrier carries and guides the suction hose.
  • the material pickup device is attached to a suction excavator during operation so that material can be transported via the suction hose into a container on the suction excavator.
  • the required negative pressure and suction air flow is generated by a fan unit on the suction excavator.
  • the articulated hose carrier has a rotatable fastening holder at a first end, by means of which the articulated hose carrier can be attached to the suction excavator.
  • the mounting bracket can be a Be a swivel joint or swivel joint with an axis of rotation.
  • the axis of rotation of the mounting bracket is regularly perpendicular to a vehicle floor, with the mounting bracket usually being attached to the rear of the suction excavator in the direction of travel.
  • the articulated hose carrier can be moved with the suction hose.
  • the material collection device includes a suction nozzle which is attached to the distal end of the suction hose.
  • the articulated hose carrier consists of a number n of links, where n>3, particularly preferably n>4, between each of which a hinge joint (hereinafter also referred to as a joint in simple terms) is formed.
  • a drive is assigned to each hinge joint, with the drives preferably being operated hydraulically. Alternatively, electric or pneumatic drives can be used. All joints have the same degree of freedom, i.e. H . All links of the articulated hose carrier can be moved or moved in a single common plane by the joints and their drives. pivotable.
  • the material receiving device further comprises at least one swivel joint, which is arranged between the last (most distal) hinge joint, which is located on the member on which the suction nozzle is located, and the first hinge joint, which is closest to the rotatable fastening holder.
  • the swivel joint is located between the last and the penultimate hinge joint, i.e. between the two hinge joints furthest away from the proximal end of the joint tube carrier.
  • the swivel joint is one or two links further towards the proximal end of the joint.
  • hose carrier mounted. This increases the range of motion of the suction nozzle, since several members can be moved out of the plane, which is defined by the axis of rotation of the fastening bracket and the position of the second member.
  • two swivel joints can also be arranged on the articulated hose carrier. This means that the articulated hose carrier can be guided around a corner of a house or a similar obstacle, for example.
  • the swivel joint has an axis of rotation, with the swivel joint having a different degree of freedom than the hinge joints, so that movement of the link arranged downstream of the swivel joint out of the plane of the remaining joints is made possible. Furthermore, the swivel joint has a continuous receiving opening along its axis, with a cross section larger than the cross section of the suction hose. The suction hose is passed through the receiving opening. The swivel joint is therefore mounted coaxially and concentrically to the suction hose, i.e. H . The axis of rotation of the swivel joint runs in the receiving opening congruently with the longitudinal axis of the suction hose.
  • the rotation in the swivel joint takes place around the longitudinal axis of the suction hose.
  • the swivel joint In order to be able to carry out such a rotation unhindered, the swivel joint must also be a load-bearing component of the joint hose support (overall structure). Additional (non-rotating) support elements cannot be guided over the swivel joint because they would hinder the rotation.
  • the suction hose can be moved with the articulated hose carrier and its hinge joints and the swivel joint.
  • the material pickup device according to the invention at least at least another degree of freedom is realized, so that
  • Suction of material by a suction excavator is also possible outside the plane defined by the joints in conventional suction excavators, e.g. B. parallel to the direction of travel of the suction excavator.
  • Another advantage of the material pickup device according to the invention is that, due to the at least one swivel joint and its additional degree of freedom, compared to the other joints, a larger working area of the material pickup device with the joint hose carrier and the suction hose is made possible.
  • the material pickup device With the material pickup device according to the invention, working in larger work spaces is advantageously possible without the suction excavator to which the material pickup device is attached having to be moved.
  • the swivel joint makes it possible for the first time to move entire sections of the articulated hose carrier out of the usual working plane.
  • the range of motion of the articulated hose carrier is thus qualitatively increased so that it can only be completely described using a cylindrical coordinate system, while conventional hose carriers can only be moved in a working space that is mapped in a Cartesian coordinate system. This means that it can be used on cramped construction sites or the like and the suction excavator does not have to be parked as precisely in the work area, since the work area is designed to be more flexible and spacious thanks to the material pickup device according to the invention.
  • Exposed cables, ducts, rails etc. can advantageously be exposed laterally and underneath by the material pickup device. This means that material such as soil or gravel can also come from crossing pipes or the like. ä . simply be removed.
  • the swivel joint should preferably not be arranged in the kinematic chain formed by the joint hose carrier at the suction end of the kinematic chain (suction nozzle).
  • the swivel joint of the material pickup device is preferably rotatable by 90° to 190° in the negative and positive directions, starting from a central position.
  • the swivel joint can be rotated by at least 170° to 190° in the negative and positive directions.
  • the swivel joint can be rotated through 190° in the negative and positive directions, so that a total rotation range of slightly more than 360° can be achieved.
  • the middle position is usually in the common plane of the hinge joints.
  • An electric drive can be formed on the swivel joint.
  • a hydraulic drive is particularly preferably arranged on the swivel joint.
  • Other fluid technology drives, such as a pneumatic drive, are also conceivable.
  • the hydraulic drive of the swivel joint preferably has a brake. The brake is closed in the normal state, especially in the event of a power failure or during transport.
  • the swivel joint is designed in such a way that the supply lines cannot become entangled with one another or be damaged. It must also be noted that the swivel joint itself is a supporting part of the articulated hose carrier.
  • the swivel joint preferably comprises at least two four hoses and one deflection roller for each hose.
  • the hoses are coupled to the upstream and downstream hydraulic supply lines using connectors.
  • the hoses are preferably arranged together on a side surface of the swivel joint.
  • a hose is connected to a first connector on the swivel joint and runs from there to the spaced deflection roller and around it back to a second connector.
  • the first connector is firmly connected to the swivel joint and rotates with it.
  • the second connector is located on a rotationally fixed component which is arranged indirectly on the swivel joint. The second connector thus forms a rotationally fixed point.
  • the second hose is arranged mirrored in the same way as the first hose.
  • the deflection rollers run in opposite directions and are connected to one another in a 1:2 ratio.
  • the at least two deflection rollers work together and are preferably connected to one another by an element, in particular a spring.
  • the spring serves to compensate for any possible length errors that may arise due to installation.
  • a rotatable hose coupling is formed on the swivel joint, which can also be referred to as a rotary flange or rotary flange pipe.
  • the suction hose is preferably designed in two parts. The first part of the suction hose is bendable. The second part of the suction hose is bendable and twistable. This means that the suction hose can move with the articulated hose carrier without kinking or twisting too much, so that the inner cross section of the suction hose is not reduced or only slightly reduced in order not to impede the material flow.
  • the clear cylinder cross section within the swivel joint can preferably have a diameter of approximately 500 mm in order to pass through a typical suction hose.
  • the suction hose can be rotatably attached to the suction excavator, in particular to a lid of a material collection container of the suction excavator.
  • the suction hose is particularly preferably attached to the material collection container by means of a rotary flange.
  • a suction excavator includes the material pickup device described above with an articulated hose carrier and suction hose.
  • the suction excavator as a vehicle also includes a vehicle frame, a suction fan (fan unit) and a material collection container in which vacuumed material can be collected and transported. The material is removed using the suction nozzle on the suction hose and transported via the suction hose into the material collection container.
  • the suction excavator also includes a control unit.
  • Fig. 1 a perspective view of a material pickup device according to the invention in the swung-out working position, which is attached to a suction excavator;
  • Fig. 2 is a top view of the material pickup device according to FIG. 1 ;
  • Fig. 3 a cross section of a swivel joint of the material pickup device; and Fig. 4 is a perspective view of the material pickup device according to FIG. 1 in the swung-in transport position on the suction excavator.
  • Fig. 1 shows a perspective view of a material pickup device according to the invention in the working position with an articulated hose carrier 01 and a suction hose 10 (for simplicity only shown in FIG. 3), the material pickup device being attached to a suction excavator 02.
  • the material pickup device is shown extended in an operational state (working position).
  • the joint hose carrier 01 is rotatably attached to the suction excavator 02 at a first, proximal end by means of a rotatable fastening bracket 03.
  • the joint hose carrier 01 By means of the fastening bracket 03, which has an axis of rotation, the joint hose carrier 01 can be rotated about the axis of rotation, so that the joint hose carrier 01 and a suction hose arranged thereon can be moved from a rest position or Transport position on the suction excavator 02 can be turned into a working position.
  • the joint hose carrier 01 At its second, distal end, the joint hose carrier 01 has a suction nozzle 04, to which the suction hose can be attached and which is used to remove and absorb material.
  • the material receiving device further comprises a swivel joint 08 integrated in the articulated hose carrier 01.
  • the swivel joint 08 is arranged between the last, distal hinge joint 09, which is furthest away from the rotatable fastening bracket (03) of the suction excavator and on which the suction port 04 is located, and the penultimate hinge joint 11.
  • the swivel joint 08 is preferably arranged directly on the penultimate joint 11 and can also form a structural unit with it.
  • the swivel joint 08 can be rotated about an axis of rotation and therefore has a different degree of freedom than the other joints 06, 09, 11.
  • the rotation of the swivel joint 08 about the axis of rotation at a different degree of freedom than the remaining hinge joints 06, 09, 11 enables the member 05 arranged downstream of the swivel joint 08 to move out of the plane of the other joints.
  • the range of motion of the articulated hose carrier 01 and thus the working range of the suction excavator 02 is expanded by one degree of freedom and the removal of material can also be carried out from the side and below an obstacle, such as. B. with intersecting pipes.
  • the material pickup device therefore also enables suction digging parallel to the direction of travel of the suction excavator 02.
  • the swivel joint 08 has a continuous receiving opening 12 with a cross section larger than the cross section of the suction hose, so that the suction hose runs through the swivel joint 08.
  • the suction hose can be attached to a material collection container 14 of the suction excavator 02 by means of a flange 13, so that removed material can be transported into the material collection container 14 via the suction hose.
  • the swivel joint 08 preferably has a hydraulic drive 20, but can also be operated with an electric drive, for example. To supply the drives, the material pickup device includes supply lines 15 that run along the Joint hose carrier 01 are guided.
  • the structure of the swivel joint 08 is shown in Fig. 3 explained in more detail.
  • Fig. 2 shows a top view of the material pickup device according to FIG. 1 .
  • the suction nozzle 04 can be pivoted from a first level 16, in which the joints and members of the articulated hose carrier located between the swivel joint and the suction excavator are movable, into a second level 17.
  • the suction port 04 with the last, distal joint 09 and the link 05 in between is pivoted by approximately 60 °, so that the suction port 04 is parallel to the direction of travel of the suction excavator 02 and can be moved, for example, in a trench A to pick up material.
  • Fig. 3 shows a cross-sectional view of the swivel joint 08 of the material pickup device.
  • the swivel joint 08 as part of the joint hose carrier 01 is designed so that when the swivel joint 08 rotates, the supply lines 15 and in particular hydraulic hoses 18, which connect the supply lines 15 across the swivel joint 08, are not kinked and do not become entangled with one another.
  • the supply lines 15 run from the suction excavator 02 over the links 05 to the last, distal or Joint 09 positioned furthest away from the suction excavator.
  • the swivel joint 08 comprises two hydraulic hoses 18, each of which is connected in a rotationally fixed manner at one end to a first connector 19.
  • the first connector 19 is arranged on an outer ring 21 on the outer circumference of the swivel joint 08, wherein the outer ring 21 of the swivel joint 08 is not rotatable.
  • the second end of the two hydraulic hoses 18 is each with a second connector
  • the second connector 22 is on an inner ring
  • the swivel joint 08 which is rotatable.
  • the rotating inner ring 23 rotates when the swivel joint 01 rotates, the rotation of the inner ring 23 taking place relative to the outer ring 21. So that the hoses do not become entangled with one another, they are each placed around a deflection roller 24.
  • the two deflection rollers 24 are arranged in opposite directions on the inner ring 23 and connected by means of a spring 25, so that possible installation-related length errors are compensated for. Accordingly, the swivel joint 08 according to FIG. 3 two hydraulic hoses 18, two first connectors 19, two second connectors 22 and two deflection rollers 24, these components being arranged mirrored in one plane.
  • the deflection roller 24 of the first hose 18 moves the same distance in the same direction as the opposing second deflection roller 24 with the second hose 18.
  • several counter-rotating systems can be arranged one behind the other; in our case it is e.g. B. four hoses for two systems.
  • the inner radius of the swivel joint 08 forms the continuous receiving opening 12 for the suction hose 10.
  • the suction hose 10 is twisted by means of the swivel joint 08, whereby excessive twisting of the suction hose can be avoided by, for example, restricting the rotation of the swivel joint 08 or by a two-part design with a rotary coupling of the suction hose.
  • Fig. 4 shows a perspective view of the material pickup device according to FIG. 1 in transport position on the suction excavator 02.
  • the material pickup device In the transport position, the material pickup device is arranged at the rear of the suction excavator 02.
  • the material pickup In this position, the device with the joint hose carrier 01 is pivoted approximately at right angles in the joints and is therefore “wound up in a spiral” and the swivel joint 08 is twisted to such an extent that a collision of elements of the material pickup device, in particular the suction nozzle 04, with other components is avoided .

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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)
  • Joints Allowing Movement (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

La présente invention concerne un dispositif de réception de matériau pour une excavatrice à aspiration (02), le dispositif de réception de matériau ayant un support de tube articulé (01) et un tube d'aspiration. Une première extrémité proximale du support de tube articulé (01) peut être fixée à l'excavatrice d'aspiration au moyen d'un support de fixation mobile en rotation (03). Au niveau d'une seconde extrémité distale, le support de tube articulé (01) comprend une pièce de liaison par aspiration (04) reliée au tube d'aspiration. Le support de tube articulé (01) comprend au moins n≥3 liaisons (05), un joint articulé (06) avec un entraînement associé (07) étant formé entre chacune d'elles. Tous les joints articulés (06) ont le même degré de liberté, de telle sorte que les liaisons (05) peuvent pivoter dans un plan commun (16). Selon l'invention, le dispositif de réception de matériau comprend également un joint rotatif (08) qui est situé entre le dernier joint articulé distal (09), sur lequel la pièce de liaison par aspiration est située, et le premier joint articulé. Le joint rotatif (08) présente un degré de liberté différent de celui des joints articulés (06) de telle sorte que la liaison (05) placée ensuite sur le joint rotatif (08) peut être déplacée hors du plan. L'invention concerne également une excavatrice à aspiration (02) comprenant le dispositif de réception de matériau.
EP23764574.2A 2022-08-23 2023-08-21 Dispositif de réception de matériau pour une excavatrice à aspiration, et excavatrice à aspiration comportant ledit dispositif de réception de matériau Active EP4555152B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022121226.2A DE102022121226A1 (de) 2022-08-23 2022-08-23 Materialaufnahmegerät für einen Saugbagger sowie Saugbagger mit diesem Materialaufnahmegerät
PCT/EP2023/072887 WO2024042014A1 (fr) 2022-08-23 2023-08-21 Dispositif de réception de matériau pour une excavatrice à aspiration, et excavatrice à aspiration comportant ledit dispositif de réception de matériau

Publications (2)

Publication Number Publication Date
EP4555152A1 true EP4555152A1 (fr) 2025-05-21
EP4555152B1 EP4555152B1 (fr) 2025-12-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP23764574.2A Active EP4555152B1 (fr) 2022-08-23 2023-08-21 Dispositif de réception de matériau pour une excavatrice à aspiration, et excavatrice à aspiration comportant ledit dispositif de réception de matériau

Country Status (5)

Country Link
US (1) US20260049460A1 (fr)
EP (1) EP4555152B1 (fr)
CN (1) CN119677913A (fr)
DE (1) DE102022121226A1 (fr)
WO (1) WO2024042014A1 (fr)

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US3495878A (en) * 1967-07-10 1970-02-17 Toyo Pulp Co Ltd Flexible pipe apparatus for pneumatically conveying bulk material
EP0166800B1 (fr) 1984-07-04 1989-04-05 von Meyerinck, Wolfgang, Dipl.-Ing. Tête de ligne pour dispositif de ravitaillement en carburant
DE102007063408B4 (de) 2007-03-16 2010-01-14 Roman Seliger Gmbh Drehgelenk für Schlauch- und/oder Rohrverbindungen
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DE102022121226A1 (de) 2024-02-29
EP4555152B1 (fr) 2025-12-17
CN119677913A (zh) 2025-03-21
WO2024042014A1 (fr) 2024-02-29

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