EP2743406B1 - Outil pour excaver un canal - Google Patents

Outil pour excaver un canal Download PDF

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Publication number
EP2743406B1
EP2743406B1 EP13195624.5A EP13195624A EP2743406B1 EP 2743406 B1 EP2743406 B1 EP 2743406B1 EP 13195624 A EP13195624 A EP 13195624A EP 2743406 B1 EP2743406 B1 EP 2743406B1
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EP
European Patent Office
Prior art keywords
container
rotor
foregoing
knife
channel
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
EP13195624.5A
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German (de)
English (en)
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EP2743406A1 (fr
Inventor
Raf Marissen
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.)
Groenservice Marissen NV
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Groenservice Marissen NV
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Publication date
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Publication of EP2743406A1 publication Critical patent/EP2743406A1/fr
Application granted granted Critical
Publication of EP2743406B1 publication Critical patent/EP2743406B1/fr
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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
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22—Component parts
    • E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
    • E02F3/245—Digging wheels; Digging elements of wheels; Drives for wheels with digging elements mounted movable relative to the wheel
    • 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
    • E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
    • E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
    • E02F3/9237—Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe
    • 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
    • E02F5/027—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with coulters, ploughs, scraper plates, or the like
    • 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
    • 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
    • E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
    • E02F5/145—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids control and indicating devices

Definitions

  • the present invention relates to a device for excavating a channel.
  • Existing devices make use of rotating discs for cutting away the flanks of a channel in combination with a container in which the cut-away material is collected and out of which the cut-away material can be suctioned. Such a device is moved forward in the channel in order to excavate the channel over a determined length.
  • Document JP 2011 163005 discloses a construction method and equipment for excavating and removing accumulated mud.
  • the equipment includes an agitating blade in a bucket with an open front side, and a suction port at the backside of the bucket.
  • Excavation is performed concurrently with the rotation of the agitating blade, and the excavated sediment is sucked in via the suction port while being crushed by the agitating blade.
  • Document EP 1 972 724 describes a device for profiling ditches.
  • the device comprises a profiling cutter wherein a bin is open in the front and comprises two rotating cutter elements formed of disc-shaped knives that are mounted next to one another on a frame in front of the foremost open end of the bin.
  • the bin is formed of a bottom, a standing rear wall and two slantwise standing side walls.
  • the front ed of the bottom is situated slantingly in relation to the riding direction and work as a knife to shovel up the ground from the bottom of a ditch.
  • Document NL7 714 038 describes a device which is configured to detach plants at a bottom of a ditch.
  • the device is moved by a vehicle across the length of the ditch.
  • the device comprises a housing wherein a rotating drum with teeth is mounted.
  • the housing cooperates with a knife arranged at a front bottom portion of the housing such that when the housing is dragged across the bottom of the ditch, the knife cuts away the plants and removes pollutants.
  • the plants and other debris like clay, stones or pollutants, is thrown by the drum to a rear portion of the housing.
  • the plants and debris fall on a transport belt, such that they may be moved up the flank of the ditch and dumped near the top of the ditch.
  • the present invention has for its object to provide an improved device for excavating a channel, and particularly to provide a device with which the material for removing can be dislodged and discharged in a more efficient manner.
  • a device comprises for this purpose a container and a rotor arranged in this container.
  • the container has standing side walls, a rear end and an open front end which is provided with cutting edges configured to cut away flanks of the channel.
  • the rotor is provided with a number of knife elements and is configured to dislodge and move soil to the rear end of the container between the standing side walls of the container.
  • the rear end of the container is provided with a discharge opening through which the dislodged soil can be discharged.
  • the rotor is preferably mounted for rotation around a horizontal shaft attached against a standing side wall of the container. This allows the rotor to be positioned roughly in the centre of the container such that the knife elements can be positioned in suitable manner. It is noted that it is possible to provide in the container a hydromotor which drives the rotor.
  • each knife element preferably have substantially the form of a shovel. This shovel form will allow the knife elements to carry material in efficient manner to the rear end of the container.
  • each knife element has a first part with a cutting edge and a second part which forms an angle with the first part, this such that the dislodged soil can be carried in this angle.
  • the cutting edge of such a knife element is preferably parallel to the rotation axis of the rotor.
  • each knife element is preferably mounted for pivoting around an axis parallel to the rotation axis. A knife element can in this way take up an advantageous position in accordance with the type of material, and the material carried to the rear end of the container can fall off a knife element when this knife element is moved upward by the rotor.
  • the rotor comprises a central rotor plate and the knife elements are provided in holders mounted at regular intervals along the periphery of the central plate, preferably on either side of the central rotor plate.
  • the knife elements are preferably arranged pivotally in the holders here, preferably around a pivot axis parallel to the rotation axis of the rotor.
  • the standing side walls of the container preferably run obliquely upward at an angle corresponding substantially to the desired angle of inclination of the flanks of the channel.
  • the container is formed from a first part with a first standing side wall and a first bottom wall part, and a second part with a second standing side wall and a second bottom wall part.
  • the container is further configured such that the first and second bottom wall parts are mountable in different positions relative to each other such that the width of the bottom wall formed by the first and second bottom wall parts is adjustable.
  • the width of the container can in this way be adjusted to the desired width of the channel to be excavated.
  • guide means are preferably provided between the first and second parts for the purpose of guiding the first part relative to the second part during setting of the width. This will further facilitate the setting of the width.
  • locking means are preferably provided for locking the first part relative to the second part once the desired width has been set.
  • the rear end of the container is provided with a guide piece with a guide wall running gradually upward for the purpose of guiding the dislodged soil upward.
  • This guide wall preferably runs upward in arcuate manner in the direction of an upper wall of the container.
  • the guide wall runs upward along a path roughly parallel to a part of the path followed by the knife elements.
  • the discharge opening can be provided in the wall running gradually upward, close to an upper wall of the container. The material carried upward along the guide wall by the knife elements can in this way be properly discharged.
  • the guide piece can further be provided with a discharge pipe which connects to the discharge opening. This discharge pipe can then for instance be connected by means of a universal coupling to a soil suction excavator, for instance a suction excavator with turbines.
  • the guide piece comprises a first guide part with a first guide wall part and a second guide part with a second guide wall part.
  • This first and second guide wall part are configured such that they are mountable in different positions relative to each other such that the width of the guide wall formed by the first and second guide wall parts is adjustable. A good discharge of material can in this way be realized for channels of differing widths.
  • the front end of the container is provided with a lower cutting edge in the line of the bottom wall of the container and with two standing cutting edges in the line of the standing side walls of the container.
  • This lower cutting edge is preferably formed by a removable elongate knife.
  • a set of lower knives of a differing length can in this way be provided such that an appropriate lower cutting edge can be arranged in accordance with the width of the container.
  • FIGS 1A, 1B , 3A and 3B illustrate an embodiment of a device for excavating a channel according to the invention.
  • the device comprises a container 1 with standing side walls 11, 12, a bottom wall 13 and a rear wall 17.
  • the container has an open front end 14 with a lower cutting edge 23 in the line of bottom wall 13 and with second standing cutting edges 21, 22 in the line of the respective standing side walls 11, 12.
  • Lower cutting edge 23 preferably forms part of a removable knife part which is attachable to bottom wall 13 using for instance bolts 24.
  • the standing side walls 11, 12 run obliquely upward at an angle 16 which substantially corresponds to a desired angle of inclination of the flanks of the channel.
  • a discharge opening 41 through which dislodged soil can be discharged is provided at the rear end 14 of the container.
  • a rotor 3 provided with a number of knife elements 30 is arranged in container 1.
  • Rotor 3 with knife elements 30 is configured to dislodge and move to the rear end 14 of container 1 soil cut into by cutting edges 21, 22, 23.
  • Rotor 3 is mounted for rotation around a horizontal axis R.
  • the rotor shaft is driven by a hydraulic motor received in a housing 37. This housing is fixed against a standing side wall 12 of container 1.
  • Rotor 3 comprises a central plate 35 on which a number of holders 36 for knife elements 30 are mounted. These holders 36 are arranged distributed along the periphery of central plate 35 on either side thereof.
  • a shovel-like knife element is mounted in each holder 36.
  • the shovel-like knife element 30 comprises a first part 31 with a cutting edge 33 and a second part 32 which forms an angle 34 with first part 31.
  • the dislodged soil can in this way be carried in angle 34.
  • the knife elements are preferably mounted pivotally in holder 36. Breaking of knife elements is in this way avoided when they make contact with a hard object.
  • Cutting edge 33 of each knife element is parallel to the rotation axis R of the rotor and the pivot axis S of knife element 30 is likewise parallel to the rotation axis R of the rotor.
  • container 1 is formed from two parts: a first part which is shown in figures 4A and 4B with a first standing side wall 11 and a first bottom wall part 13a; and a second part which is shown in figures 2A and 2B with a second standing side wall 12 and a second bottom wall part 13b.
  • the first and second bottom wall parts 13a, 13b are mountable in different positions relative to each other such that the width of the bottom wall 13 formed by the first and second bottom wall parts is adjustable.
  • guide means 51, 52 in the form of two sets of telescopically co-acting pipes are provided on the upper side of the container.
  • first part is lockable relative to the second part using locking means arranged here on the upper side of the container and on rear wall 17.
  • First locking means 60 in the form of for instance a hole-pin locking are provided on the upper side of container 1.
  • a locking mechanism 61 which is adjustable in accordance with the desired width can also be provided on the rear side, see figure 3B in particular.
  • the rear end 15 of container 1 is provided with a guide piece 4 with a guide wall 42 running gradually upward for guiding the dislodged soil upward.
  • Guide piece 4 is formed here from a first guide part 4a with a first guide wall part and a second guide part 4b with a second guide wall part, see figures 2A and 4A .
  • the second guide part 4b can slide over the first guide part 4a such that the width of guide piece 4 is also adjustable.
  • Guide wall 42 formed by guide parts 4a, 4b runs upward along a path roughly parallel to a part of the path followed by knife elements 30 such that knife elements 30 move along the guide surface up to a certain height while they move rearward and upward.
  • Discharge opening 41 is formed in the guide wall 42 running gradually upward.
  • the knife elements will in this way ensure that the dislodged soil is moved upward along the guide surface and into the discharge opening.
  • a discharge pipe 43 extending from discharge opening 41 to an opening in rear wall 17.
  • a second pipe part 44 which can be connected by means of for instance a universal coupling to a soil suction extractor.
  • Rear wall 17 can be provided with a second opening 71 along which container 1 can be further cleaned.
  • This opening 71 is also used for passage of the conduits, for instance the hoses for feed to the hydromotor, for connection to for instance a tractor or mobile crane used to move the container forward in the channel.
  • the mechanical coupling between container 1 and the mobile crane or tractor takes place by means of the gear ring 81 provided on the upper side of the container.
  • container 1 can be provided with a protective cover 18 which has on the one hand a mudguard function and on the other hand functions as a safety guard partially shielding the knife elements.
  • container 1 can be embodied with more than one rotor instead of with one rotor, for instance two rotors, one on each side wall of the container.
  • a partition can optionally be provided in the container between the two rotors. Particularly for very wide channels, this can be a useful solution.
  • a plurality of suction openings can also be provided at the rear end of the container.
  • knife elements is not limited to shovel-like elements.
  • the knife elements could for instance also be partially cup-like or rake-like, and can be optimized in accordance with the type of material to be removed.
  • the setting of the width takes place in wholly manual manner. It is however also possible to envisage providing a hydraulic system for the purpose of setting the width. The width can then optionally be adjusted while the container is located in the channel for excavating.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)
  • Knives (AREA)
  • Soil Working Implements (AREA)

Claims (14)

  1. Dispositif d'excavation d'un canal, comprenant :
    - un conteneur (1) avec des parois latérales verticales (11, 12), une extrémité arrière (15) et une extrémité avant ouverte (14) ; lequel conteneur est configuré de manière à être déplacé vers l'avant à travers le canal ;
    - un rotor (3) agencé dans le conteneur et comportant un certain nombre d'éléments de coupe (30), lequel rotor avec les éléments de coupe est configuré de manière à séparer et à déplacer le matériau du sol vers l'extrémité arrière du conteneur entre les flancs du canal ; dans lequel l'extrémité arrière du conteneur comporte une ouverture de déchargement (41) à travers laquelle le sol séparé peut être déchargé caractérisé en ce que l'extrémité avant ouverte comporte des arêtes tranchantes (21, 22, 23) configurées de manière à tailler les flancs du canal et en ce que les arêtes tranchantes à l'extrémité avant du conteneur comprennent une arête tranchante inférieure (23) dans l'alignement d'une paroi inférieure du conteneur et deux arêtes tranchantes verticales (21, 22) dans l'alignement des parois latérales verticales du conteneur.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'arête tranchante inférieure forme une partie d'une pièce de coupe allongée démontable.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le rotor (3) est monté de manière à pouvoir tourner autour d'un arbre horizontal fixé contre une paroi latérale verticale (12) du conteneur.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de coupe (30) présentent la forme d'une pelle.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que chaque élément de coupe présente une première partie (31) avec une arête tranchante (33) et une seconde partie (32) qui forme un angle (34) avec la première partie, ceci de telle sorte que le sol séparé peut être entraîné sous cet angle.
  6. Dispositif selon la revendication 5, caractérisé en ce que le rotor (3) présente un axe de rotation (R) et en ce que l'arête tranchante (33) de chaque élément de coupe est sensiblement parallèle à l'axe de rotation (R).
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le rotor présente un axe de rotation et en ce que chaque élément de coupe est monté de manière à pouvoir pivoter autour d'un axe (S) parallèle à l'axe de rotation (R).
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le rotor (3) comprend une plaque de rotor centrale (35) et en ce que les éléments de coupe sont agencés sur des supports (36) répartis le long de la périphérie de la plaque de rotor centrale, de préférence, de chaque côté de la plaque de rotor (35).
  9. Dispositif selon la revendication 8, caractérisé en ce que les éléments de coupe sont agencés de manière à pouvoir pivoter sur les supports.
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les parois latérales verticales (11, 12) s'étendent de manière oblique vers le haut sous un angle (16) correspondant sensiblement à un angle d'inclination désiré des flancs du canal.
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le conteneur est formé à partir d'une première partie avec la première paroi latérale verticale (11) et une première partie de paroi inférieure (13a) et d'une seconde partie avec la seconde paroi latérale verticale (12) et une seconde partie de paroi inférieure (13b), dans lequel la première et la seconde partie de paroi inférieure peuvent être montées dans différentes positions l'une par rapport à l'autre de telle sorte que la largeur de la paroi inférieure formée par les première et seconde parties de paroi inférieures est réglable.
  12. Dispositif selon la revendication 11, caractérisé en ce que des moyens de guidage (51, 52) sont agencés entre la première partie et la seconde partie dans le but de guider la première partie par rapport à la seconde partie au cours du réglage de la largeur.
  13. Dispositif selon la revendication 11 ou 2, caractérisé en ce que le dispositif comprend des moyens de verrouillage (60, 61) destinés à verrouiller la première partie par rapport à la seconde partie.
  14. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité arrière du conteneur comporte une pièce de guidage (4) avec une paroi de guidage (42) s'étendant progressivement vers le haut dans le but de guider le sol séparé vers le haut ; dans lequel la paroi de guidage s'étend vers le haut suivant un trajet sensiblement parallèle à une partie du trajet suivi par les éléments de coupe.
EP13195624.5A 2012-12-17 2013-12-04 Outil pour excaver un canal Active EP2743406B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE201200845A BE1020609A5 (nl) 2012-12-17 2012-12-17 Inrichting voor het uitdiepen van een gracht.

Publications (2)

Publication Number Publication Date
EP2743406A1 EP2743406A1 (fr) 2014-06-18
EP2743406B1 true EP2743406B1 (fr) 2022-06-22

Family

ID=47826746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13195624.5A Active EP2743406B1 (fr) 2012-12-17 2013-12-04 Outil pour excaver un canal

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Country Link
EP (1) EP2743406B1 (fr)
BE (1) BE1020609A5 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9739033B2 (en) * 2014-11-17 2017-08-22 Dynamic Ditchers Inc. Rotary ditcher attachment for an excavator
CN112112203B (zh) * 2020-08-18 2022-11-15 太原重工股份有限公司 电机直驱的挖掘机推压机构
CN114215131B (zh) * 2021-10-21 2023-05-23 江西兴辉水利水电工程有限责任公司 一种水利施工用排淤工具

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5918390A (en) * 1995-03-30 1999-07-06 Ruff; Thomas Bucket for a mechanical excavator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122398A (en) * 1961-12-06 1964-02-25 Augustine J Tucker Material handling apparatus
NL7714038A (en) * 1977-12-19 1979-06-21 Herman August Maria Waamelink Casting drum in ditch clearing machine - works with knife at housing base and throws cut plants on to sieve belt with posts
NL169764C (nl) * 1978-07-18 1982-08-16 Ihc Holland Nv Sleepkop met verend ondersteunde snijtanden voor een zuigbaggerinrichting.
NL8800565A (nl) * 1988-03-07 1989-10-02 Johan Klip Van een vegetatiefrees voorziene slibfreesbak.
BE1017516A3 (nl) * 2007-03-20 2008-11-04 Boxel Nv Van Verbeterde inrichting voor het profileren van grachten.
JP5005777B2 (ja) * 2010-02-10 2012-08-22 フローテクノ株式会社 堆積泥土掘削除去工法とその装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5918390A (en) * 1995-03-30 1999-07-06 Ruff; Thomas Bucket for a mechanical excavator

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EP2743406A1 (fr) 2014-06-18
BE1020609A5 (nl) 2014-01-07

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