EP2711464B1 - Verfahren und Vorrichtung zum Herstellen eines Grabens. - Google Patents

Verfahren und Vorrichtung zum Herstellen eines Grabens. Download PDF

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Publication number
EP2711464B1
EP2711464B1 EP13004631.1A EP13004631A EP2711464B1 EP 2711464 B1 EP2711464 B1 EP 2711464B1 EP 13004631 A EP13004631 A EP 13004631A EP 2711464 B1 EP2711464 B1 EP 2711464B1
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EP
European Patent Office
Prior art keywords
brush
bristle pins
circulation
pins
bristle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP13004631.1A
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English (en)
French (fr)
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EP2711464A1 (de
Inventor
Gijsbertus Cornelis Marco Van Harn
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Jean Heybroek BV
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Jean Heybroek BV
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • 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
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/083—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain including a screw-type conveyor for transporting the excavated material
    • 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
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/10—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with tools that only loosen the material, i.e. with cutter-type chains
    • 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
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/12—Component parts, e.g. bucket troughs
    • E02F3/14—Buckets; Chains; Guides for buckets or chains; Drives for chains
    • E02F3/142—Buckets; Chains; Guides for buckets or chains; Drives for chains tools mounted on buckets or chains which loosen the soil, e.g. cutting wheels, 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
    • E02F5/06—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain

Definitions

  • the invention relates to a device and method for making trenches, in particular for laying or replacing cables and conduits underneath pavements.
  • trenches were made using a trench cutter such as basically known from US 2007/0220783A1 , provided with an arm that could be swung up and down and around which a circulating chain having excavation teeth circulated.
  • the arm was taken to the desired depth while excavating, after which the trench cutter was moved rearward, with a breach running accordingly in the same direction, wherein the excavation teeth excavated the earth from the bottom up along the breach, and at surface level took the excavated earth within the operational range of a transversely positioned worm.
  • the worm ensured displacement of the excavated earth to a location at some distance from the trench made.
  • the invention for that purpose provides a device for making trenches in a ground of soil material, comprising a frame provided with propelling means, a tool arm attached to the frame and provided with a circulating driven endless tool carrier, which carries an earth moving tool, and a drive for circulating the tool carrier according to a circulation path substantially in a vertical plane, wherein the tool is designed as a brush having elastically bendable bristle pins and the endless tool carrier circulates about at least two circulation axes that are spaced apart in the vertical plane, wherein between the two circulation axes the circulation path comprises an upwardly inclined, preferably stretched, excavation path for the bristle pins.
  • the bristle pins form a resilient tool for dislodging and taking along the earth upwards along the breach.
  • the earth will be able to leave the ground with a considerable horizontal directional component, as a result of which the controllability (limitation of spilling, more secure discharge) is enhanced.
  • the bristle pins are able to bend out of their initial path in order to pass by the object.
  • the object is thus spared, on the other hand the tool itself is spared.
  • the event can be noticed by the operator of the device, after which the breach can be inspected and if necessary the earth around the object can be removed on site using a spade, in case it is a cable or conduit, or the object itself can be removed, in case it is a stone.
  • the earth can be discharged by the brush to a soil discharge, in particular a worm, preferably present at the device, which worm is situated in operational direction in front of the brush and moves the earth, laterally in particular, transverse to the operational direction.
  • a soil discharge in particular a worm, preferably present at the device, which worm is situated in operational direction in front of the brush and moves the earth, laterally in particular, transverse to the operational direction.
  • the bristle pins push the earth to the soil discharge.
  • the excavation path runs according to a straight line.
  • the stretched excavation path may run according to a slightly convex curve, wherein the curvature centre is situated above the tool carrier, for instance at a distance in the order of the length of the tool carrier or more.
  • the brush can be designed as a number of brush units composed of one or several brush parts, which units are attached in series to the tool carrier in sense of circulation, and keep spaces open in between them in sense of circulation. In that way the bristle pins are given room to bend away, without being impeded by the bristle pins of the trailing brush unit. Furthermore room is provided to soil material in front of the bristle pins of a brush unit.
  • the bristle pins can be at a pin angle to the local tangent to the circulation path of the tool carrier at the brush unit in question, which angle deviates from 90 degrees.
  • the brush unit in particular the brush part, comprises a base on which the bristle pins are attached, and the base has a basic plane
  • the bristle pins may extend from the base at a pin angle to the basic plane that deviates from 90 degrees.
  • the pin angle, opening forward in circulating drive direction, will then preferably be obtuse exceeding 90 degrees, preferably in the range of approximately 100 - approximately 140 degrees, preferably approximately 120 degrees.
  • the bristle pins of a brush unit have pin ends, wherein the pin ends of the leading bristle pins in a brush unit extend beyond the pin ends of the trailing bristle pins.
  • the pins situated more to the rear are then slightly receded with their pin ends.
  • the leading bristle pins may have a larger length than the trailing bristle pins.
  • the pin ends of the bristle pins in a brush unit can then be situated in a plane forming a rearward opening acute angle to said tangent or said basic plane. In that way wear of the (trailing) pins can be limited.
  • the bristle pins in the brush units are divided into a number of groups situated adjacent in a direction transverse to the plane of the circulation path, which groups leave slit-shaped passages open in between them. In this way it is also counteracted that soil material gets in between the bristle pins and gets stuck there.
  • the bristle pins in a brush unit occupy at least almost the full operational width of the brush.
  • the bristle pins occupy only a part of said operational width, wherein, in order to nonetheless make a trench of the desired width, of a pair of brush units that are consecutive in circulation path, the bristle pins of the one, first brush unit of said pair are situated offset in widthwise direction, transverse to the circulation path with respect to the other, second brush unit of said pair.
  • the bristle pins of the first brush unit may form one or several groups of bristle pins that are situated near the centre of the brush unit and the bristle pins of the second brush unit form groups of bristle pins that are situated in the marginal areas of the brush unit.
  • the bristle pins of the first brush unit may in that case have a joint width that approximately corresponds with the distance in latitudinal direction between the groups of bristle pins of the second brush unit.
  • the series of brush units can in that case be composed of consecutive pairs of consecutive first and second brush units.
  • the groups of bristle pins can form individual brush parts.
  • Replacing the brush units, in particular brush parts, having bases on which the bristle pins are attached is enhanced when the tool carrier is provided with holders for the brush units, and wherein the holders are provided with one or more accommodation spaces for fitting accommodation of the bases of the brush units, in particular brush parts, wherein the accommodation spaces have an access opening for the base in question that opens in circulation direction and is provided with a stop for the base, which stop faces circulation direction, wherein preferably the holders are provided with several accommodation spaces, wherein preferably the device is furthermore provided with one or more filling pieces for filling the accommodation spaces that have not been provided with brush parts, so that soil cannot accumulate in the empty accommodation spaces.
  • a first one of the circulation axes is situated at the proximal end of the tool arm and a second circulation axis is situated at the distal end of the tool arm.
  • the first circulation axis can be driven by the drive, such as a hydraulic motor.
  • the hydraulic motor can be kept just above surface level, wherein the second circulation axis extends into the trench.
  • the circulation path preferably is elongated, with stretched tracks in between the two circulation axes.
  • the invention provides a method for making trenches from surface level in a ground of soil material, in particular for laying cables and/or conduits, wherein a brush provided with elastically bendable bristle pins is rotated according to an unround circulation path deviating from a circular path, which path is situated substantially in a vertical plane, and is elongated in particular, wherein the brush is moved according to the operational direction that is desired for the trench, wherein soil is dislodged and passed upwards by the bristle pins according to an inclined, in particular at least substantially stretched excavation path and is discharged to a laterally operational soil discharger, wherein preferably the excavation path is at an angle to the horizontal of 20-50 degrees, wherein preferably the soil on surface level is discharged by the brush in a direction having a horizontal directional component in operational direction that exceeds the vertical directional component.
  • the method is particularly carried out using a device according to the invention.
  • the automotive device 1, provided with a drive, of figures 1 and 2 comprises a frame 2 carried by wheels 4 and 10 which frame has a tractor part 3 having platform 9 for an operator.
  • the rear part 5 is connected with the tractor 3 so as to hinge about a vertical centre line, and comprises a tool arm or ladder 6 on which a chain-shaped tool carrier 11 is supported.
  • the chain 11 circulates about sprocket wheels 8a and 8b attached to a first axis 7a and a second axis 7b, respectively.
  • the first axis 7a and therewith sprocket wheel 8a are directly driven by a hydraulic motor, not shown, for instance at an rpm of the chain of 200/min.
  • the chain 11 thus circulates in direction B, having a downwards path B1 and an upward path B2.
  • the tool arm 6 can be adjusted (direction A) as regards angle in the vertical plane about a centre line coinciding with the first axis 7a, between a selected excavation angle and a horizontal transport position.
  • the excavation angle may for instance be 30 degrees to the horizontal.
  • the ladder 6 may have a length of for instance 0.7 m between both rotation axes 7a,b.
  • a screen 19 and a laterally (direction E) discharging worm 20 are furthermore attached to the rear part 5.
  • a series of holders 12 (schematically shown, for instance more than 20) are attached to the chain 11, to which holders brush units 14 are detachably attached, keeping spaces open in between them - considered in circulation direction -.
  • the brush units 14, also see figures 3A , B, 4A-E and 5, are made of a suitable synthetic material, such as polyamide, and comprise a brush base 15 and thereon integrally formed therewith, for instance by means of injection moulding, elastically bendable bristle pins 16.
  • the bristle pins 16 can alternatively be made of steel.
  • the brush units with bristle pins 16 have been selected with a bending stiffness and wear-resistance in accordance with the type of soil to be moved. For sandy soil the brush units may for instance be made of polypropylene, for instance having a largest pin length of 12 cm and a pin thickness of 0.32 cm.
  • the bristle pins 16 are at an obtuse angle ⁇ to the circulation direction B.
  • Said angle can generally also be considered the angle between the tangent of the circulation path formed by the chain (which tangent is parallel to the basic plane 15a of the base 15 - which basic plane in this case is parallel to the circulation direction B -, as can be seen in figure 3A , and has a constant orientation in a straight excavation path as depicted in figure 1 ).
  • the said angle is 120 degrees.
  • the pin ends 16a of the bristle pins 16 are in a plane that is at an acute angle ⁇ of 10-20 degrees to the basic plane 15a, see figure 3A .
  • the leading pins are thus longer than the trailing pins. In that way wear can be limited.
  • FIG. 3A in widthwise direction of the tool (in figure 3B from left to right or vice versa) the base 15 including a group of bristle pins 16 forms a short brush part 14a, for instance approximately a quarter of the width of the tool.
  • a brush unit 14 may comprise one or more of such brush parts, placed on the same holder 12 attached to the chain. Considered in transverse direction, the location of the brush units can then also be varied with.
  • Figure 4C shows a holder 12a provided with two mutually identical brush parts 14b,c placed adjacently, almost directly on either side of a centre plane M of the tool, which plane M is parallel to the plane of circulation of the chain 11.
  • FIG. 4D shows a holder 12b provided with two brush parts 14a,d, that are identical to each other and to brush parts 14b,c, which brush parts 14a,d are situated on either side of a centre plane M, yet at greater distance therefrom, so that, considered in a plane of projection P, transverse to the local direction of movement (see figure 4B ), they end up adjacent the brush parts 14b,c.
  • the brush parts 14a-d together form a brush assembly operational over at least substantially the entire width of the tool, albeit in two steps.
  • the holders 12a and 12b can be attached to the chain 11 alternately one behind the other, also see figure 6A , in which the offset position of the brush parts over the width of a brush part can be seen.
  • the attachment of the brush parts 14a-d can be easily effected, see figures 3A , B, in combination with figures 4A and 4D .
  • the brush base 15 is provided with ribs 21 on two opposite edges.
  • the holders 12a,b are provided with accommodation spaces 13a-d, which each have two opposite edges with slots 22a-d and a forward stop edge 23a-d oriented in circulation direction and which are open to the fore (in circulation direction) and downward and are upwardly bounded by a wall of the holder 12a,b.
  • a brush part 14 (a-d) can be inserted with its base in rearward direction into an accommodation space 12 (a-d), wherein the ribs 21 are snugly accommodated in the slots 22 (a-d), until the base 15 abuts the stop edge 23 (a-d).
  • the base 15 will then be confined in all directions, except in a direction opposite the direction of insertion.
  • the bristle pins 16 extend downward through the opening in the holder 12a,b, see figure 4B .
  • the brush part is wider (considered in a direction transverse to the centre plane), for instance at least nearly as wide as the brush tool, see figure 5 , brush part 14'.
  • four groups of bristle pins 16 with spaces 17 in between them extend from a common base 15.
  • the base 15 may be 30 cm wide and 5.5 cm wide.
  • Such a brush unit is also deployed in road sweepers.
  • the base 15 can be attached in manner comparable to the one discussed above, or by confinement/clamping in a holder of which one permanent plate is attached to the chain and the other plate can be attached by means of a detachable bolt connection to the permanent plate while clamping the base of the brush unit.
  • this requires more labour when replacing.
  • the device 1 In operation the device 1 is first activated on site with the brush pins in the lowermost excavation path, engaging surface level 102 stripped of paving.
  • the chain 6 is driven in direction B, as a result of which the brush units 14 in excavation path B2 excavate the earth and pass it along to the area of influence of the worm 20.
  • the ladder 6 is then tilted about first axis 7a, until the desired excavation depth is reached and the ladder 6 is for instance at an excavation angle of approximately 30 degrees.
  • the device 1 is then moved in direction X, the wheels 4 and 10 passing over tiles that are not shown, situated on the surface level 102 of the ground 100.
  • the speed of movement among others depends on the properties of the ground, and could be more than 50 meters per hour, even 75 meters per hour is possible.
  • the bristle pins then sweep along a breach 103 progressing in direction X, dislodge soil material from the breach 103 and take it along in the direction D, in order to discharge the soil material at surface level, inclined forward and slightly upward, while urging the earth to the area of influence of the leading worm 20, which moves the soil material laterally.
  • a trench 101 of a depth (H) of for instance 30 cm is formed in direction X, for instance for a fibre optics cable.
  • a brush In soil that is non-cohesive to a large extent, such as nearly pure sand, a brush can be used of which the brush units occupy at least nearly the entire width on a holder, in the example this means each time all brush parts 14a-d on one holder or with the brush unit shown in figure 5 .
  • argillaceous sandy soil it may occur however that - despite the presence of the open spaces 17 in between - soil material clogs together to a great extent between the brush units that are closely consecutive to each other in circulation direction, and during the movement along the breach is pressed in between the pins and at the upper turning point of the chain 11 remains stuck there.

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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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Brushes (AREA)

Claims (15)

  1. Vorrichtung (1) zum Herstellen von Gräben in einem Boden aus Erdmaterial (100), die einen Rahmen (2) umfasst und mit einem Vortriebsmittel, einem Werkzeugarm (6), der am Rahmen befestigt ist, und mit einem im Umlauf befindlichen angetriebenen endlosen Werkzeugträger (11) versehen ist, der ein Erdbewegungswerkzeug trägt, und einen Antrieb zum Umlaufenlassen des Werkzeugträgers gemäß einem vorzugsweise länglichen Zirkulationsweg im Wesentlichen in einer vertikalen Ebene, dadurch gekennzeichnet, dass das Werkzeug als Bürste (14) ausgelegt ist, die elastisch biegsame Borstenstifte (16) hat, und der endlose Werkzeugträger zirkuliert um mindestens zwei Zirkulationsachsen, die in der vertikalen Ebene mit Abstand voneinander angeordnet sind, wobei zwischen den zwei Zirkulationsachsen (7a, 7b) der Zirkulationsweg einen nach oben geneigten Ausschachtungsweg für die Borstenstifte umfasst.
  2. Vorrichtung nach Anspruch 1, wobei der Ausschachtungsweg im Wesentlichen gestreckt ist, vorzugsweise entlang einer geraden Linie verläuft.
  3. Vorrichtung nach Anspruch 1 oder 2, wobei die Bürste (14) als eine Anzahl von Bürsteneinheiten ausgelegt ist, die aus einem oder mehreren Bürstenteilen zusammengesetzt sind, wobei die Einheiten in Zirkulationsrichtung hintereinander am Werkzeugträger befestigt sind und vorzugsweise Räume zwischen ihnen in Zirkulationsrichtung offenhalten.
  4. Vorrichtung nach Anspruch 3, wobei von mindestens einigen der Bürsteneinheiten, vorzugsweise von allen Bürsteneinheiten, die Borstenstifte (16) unter einem Siftwinkel zur lokalen Tangente am Zirkulationsweg des Werkzeugträgers an der betreffenden Bürsteneinheit angeordnet sind, wobei der Winkel von 90 Grad abweicht, wobei der Stiftwinkel, der sich in der Zirkulationsantriebsrichtung nach vorn öffnet, vorzugsweise 90 Grad übersteigt, vorzugsweise im Bereich von etwa 100 bis etwa 140 Grad liegt, vorzugsweise etwa 120 Grad beträgt.
  5. Vorrichtung nach Anspruch 3, wobei die Bürsteneinheit (14), insbesondere der Bürstenteil, eine Basis (15) umfasst, an der die Bürstenstifte (16) befestigt sind, wobei die Basis eine Basisebene hat und die Bürstenstifte sich von der Basis unter einem Stiftwinkel zur Basisebene erstrecken, wobei dieser Winkel von 90 Grad abweicht, wobei der Stiftwinkel, der sich nach vorn in der Zirkulationsantriebsrichtung öffnet, vorzugsweise 90 Grad übersteigt, vorzugsweise im Bereich von etwa 100 bis etwa 140 Grad liegt, vorzugsweise etwa 120 Grad beträgt.
  6. Vorrichtung nach Anspruch 3, 4 oder 5, wobei die Borstenstifte (16) einer Bürsteneinheit Stiftenden haben, wobei die Stiftenden (16a) der vorlaufenden Borstenstifte in einer Bürsteneinheit sich über die Stiftenden der nachlaufenden Borstenstifte hinaus erstrecken, wobei die vorlaufenden Borstenstifte vorzugsweise eine größere Länge als die nachlaufenden Borstenstifte haben und/oder wobei die Stiftenden der Borstenstifte in einer Bürsteneinheit sich vorzugsweise in einer Ebene befinden, die einen spitzen Hinteröffnungswinkel mit der Tangente oder der Basisebene bilden.
  7. Vorrichtung nach einem der Ansprüche 3-6, wobei die Borstenstifte (16) in den Bürsteneinheiten in eine Anzahl von Gruppen (21) unterteilt sind, die sich in einer Richtung quer zur Ebene des Zirkulationsweges nebeneinander befinden, welche Gruppen schlitzförmige Durchgänge zwischen ihnen offen lassen.
  8. Vorrichtung nach einem der Ansprüche 3-7, wobei von einem Paar von Bürsteneinheiten, die auf dem Zirkulationsweg aufeinanderfolgen, die Borstenstifte (16) der einen, der ersten Bürsteneinheit des Paares in Breitenrichtung, quer zum Zirkulationsweg in Bezug auf die andere, die zweite Bürsteneinheit des Paares versetzt sind, wobei die Borstenstifte der ersten Bürsteneinheit vorzugsweise eine oder mehrere Gruppen von Borstenstiften bilden, die sich nahe der Mitte der Bürsteneinheit befinden, und die Borstenstifte der zweiten Bürsteneinheit Gruppen von Borstenstiften bilden, die sich in den Randbereichen der Bürsteneinheit befinden, wobei vorzugsweise die Borstenstifte (16) der ersten Bürsteneinheit eine gemeinsame Breite haben, die in etwa dem Abstand in seitlicher Richtung zwischen den Gruppen von Borstenstiften der zweiten Bürsteneinheit entspricht.
  9. Vorrichtung nach Anspruch 8, wobei die Reihe von Bürsteneinheiten aus aufeinanderfolgenden Paaren von hintereinander erster (14e) und zweiter (14c) Bürsteneinheit aufgebaut sind.
  10. Vorrichtung nach Anspruch 8 oder 9, wobei die Gruppen von Borstenstiften (16) einzelne Bürstenteile bilden.
  11. Vorrichtung nach einem der vorherigen Ansprüche, wobei die Bürsteneinheit, insbesondere der Bürstenteil, eine Basis (15) umfasst, auf der die Borstenstifte (16) befestigt sind, wobei der Werkzeugträger (12a) mit Haltern für die Bürsteneinheiten versehen ist, und wobei die Halter mit einem oder mehreren Aufnahmeräumen (12c, 13b) zur passende Aufnahme der Basen der Bürsteneinheiten, insbesondere Bürstenteilen, versehen sind, wobei die Aufnahmeräume eine Zugangsöffnung für die betreffende Basis haben, die sich der Zirkulationsrichtung öffnet, und mit einem Anschlag (23e, 33c) für die Basis versehen ist, wobei der Anschlag der Zirkulationsrichtung entgegengesetzt ist, wobei die Halter vorzugsweise mit mehreren Aufnahmeräumen versehen sind, wobei die Vorrichtung versehen sind, wobei die Vorrichtung vorzugsweise ferner mit einem oder mehreren Füllstücken zum Füllen der Aufnahmeräume versehen ist, die nicht mit Bürstenteilen versehen sind.
  12. Vorrichtung nach einem der vorherigen Ansprüche, wobei von den Zirkulationsachsen (7a, 7b), von denen es vorzugsweise nur zwei gibt, ist eine erste Zirkulationsachse (7a) am proximalen Ende des Werkzeugarms gelegen, und eine zweite Zirkulationsachse (7b) befindet sich am distalen Ende des Werkzeugarms, wobei der Antrieb ist vorzugsweise wirksam an der ersten Zirkulationsachse und ist vorzugsweise ein Hydraulikmotor, der auf die erste Zirkulationsachse wirkt.
  13. Vorrichtung nach einem der vorherigen Ansprüche, die mit einer Erdeabführ (20) versehen ist, insbesondere eine Schnecke, die sich in Betriebsrichtung vor der Bürste befindet und verschiebt den Boden, insbesondere seitlich, quer zur Betriebsrichtung.
  14. Verfahren zum Herstellen von Gräben vom Geländeniveau aus in einem Boden (100) aus Erdmaterial, insbesondere zum Verlegen von Kabeln und/oder Rohren, wobei eine Bürste, die mit elastisch biegbaren Borstenstiften (16) versehen ist, gedreht wird gemäß eines unrunden Zirkulationsweges, der von einem kreisförmigen Zirkulationsweg abweicht, wobei der Weg sich im Wesentlichen in einer vertikalen Ebene befindet und insbesondere langgestreckt ist, wobei die Bürste entsprechend der Betriebsrichtung, die für den Graben benötigt wird, bewegt wird, wobei Erde aufgelockert wird und durch die Borstenstifte (16) nach oben verschoben wird gemäß eines geneigten, insbesondere zumindest im Wesentlichen gestreckten Ausgrabungsweges und zu einer seitlichen betrieblichen Erdeabführ (20) abgegeben wird, wobei der Ausgrabungsweg vorzugsweise unter einem Winkel gegenüber der Horizontalen von 20-50 Grad liegt, wobei vorzugsweise die Erde auf dem Geländeniveau durch die Bürste in einer Richtung abgegeben wird, die eine horizontale Richtungskomponente in Betriebsrichtung hat, die die vertikale Richtungskomponente übersteigt.
  15. Verfahren nach Anspruch 14, wobei eine Vorrichtung (1) nach einem der Ansprüche 1-13 verwendet wird.
EP13004631.1A 2012-09-24 2013-09-24 Verfahren und Vorrichtung zum Herstellen eines Grabens. Not-in-force EP2711464B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1039817A NL1039817C2 (nl) 2012-09-24 2012-09-24 Inrichting voor het maken van sleuven.

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EP2711464A1 EP2711464A1 (de) 2014-03-26
EP2711464B1 true EP2711464B1 (de) 2016-02-03

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CN109610478A (zh) * 2018-12-01 2019-04-12 史少锋 一种电缆沟的施工方法
CN110485496A (zh) * 2019-09-24 2019-11-22 成都市猎石者破岩科技有限责任公司 开槽装置

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EP2002062A4 (de) * 2006-03-27 2014-09-17 Charles Machine Works Schnecke zur verwendung mit grabenvorrichtung

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DE102023106400A1 (de) 2023-03-14 2024-09-19 Jan Heinz Verfahren und Vorrichtung zum abrasiven Bodenabtrag im Tiefbau mittels rotierender Kunststofflamellen

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