EP2889431A2 - Working machine for the operation of a dig bucket - Google Patents

Working machine for the operation of a dig bucket Download PDF

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Publication number
EP2889431A2
EP2889431A2 EP14196941.0A EP14196941A EP2889431A2 EP 2889431 A2 EP2889431 A2 EP 2889431A2 EP 14196941 A EP14196941 A EP 14196941A EP 2889431 A2 EP2889431 A2 EP 2889431A2
Authority
EP
European Patent Office
Prior art keywords
grave
rope
cable
guide
machine according
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
EP14196941.0A
Other languages
German (de)
French (fr)
Other versions
EP2889431B1 (en
EP2889431A3 (en
Inventor
Johann Zimmermann
Tizian Lamprecht
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.)
Liebherr Werk Nenzing GmbH
Original Assignee
Liebherr Werk Nenzing GmbH
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Filing date
Publication date
Application filed by Liebherr Werk Nenzing GmbH filed Critical Liebherr Werk Nenzing GmbH
Publication of EP2889431A2 publication Critical patent/EP2889431A2/en
Publication of EP2889431A3 publication Critical patent/EP2889431A3/en
Application granted granted Critical
Publication of EP2889431B1 publication Critical patent/EP2889431B1/en
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Anticipated expiration legal-status Critical

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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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/58—Component parts
    • E02F3/60—Buckets, scrapers, or other digging elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
    • B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
    • B65H75/4407—Traversing devices; means for orderly arranging the material on the drum positively driven, e.g. by a transmission between the drum and the traversing device
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/48—Drag-lines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/58—Component parts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2016—Winches

Definitions

  • the invention relates to a working machine, in particular a crawler crane, for the scraper, with a scoop taken over a hoist rope, the bucket by means of at least one grave rope for performing the scrape movement retractable and a trench for guiding the grave rope is arranged on the machine.
  • the invention relates to the scraper insert of a working machine, in particular a cable excavator.
  • a working machine in particular a cable excavator.
  • work machine or rope excavator are equipped with a so-called scraper or drag bucket as working equipment.
  • the usually trough-shaped bucket is connected to two ropes, namely the hoist rope and the grave rope, with the machine.
  • the hoist rope the scraper is ejected as far as possible from the machine.
  • the grave rope runs directly from the superstructure of the working machine or the excavator to the attachment point on the scraper, which is achieved by pulling the grave rope a scouring movement of the bucket along the earth's surface and the superficial soil material is absorbed by the bucket opening.
  • the scraper can be lifted with a taut rope with the hoisting rope and emptied at the point of emptying by lowering the grave rope.
  • the grave rope guide In order to be able to comply with the maximum permissible rope departure angle of the grave rope from the winch, the grave rope guide must have a minimum distance to the winch. For large winches, this means that the grave rope guide must protrude very far in front of the device.
  • the object of the present invention is to provide a possibility for an improved grave cable guide, which allows a low-wear operation and a higher flexibility with respect to the grave cable winch used.
  • a working machine in particular a hydraulic crawler crane, is proposed for the scraper operation, wherein the working machine has a scraper insert which is received via the hoisting rope.
  • the working machine comprises an actuatable grave rope, which is fastened to the end of the trash bucket insert. By pulling in the grave rope a scraper movement of the scraper can be performed.
  • the grave rope runs from the superstructure of the working machine or the cable excavator to the scraper, while the hoist rope is guided over the boom tip of the cable excavator for scraper use.
  • a grave rope guide for guiding the grave rope in the construction of the working machine or the excavator body, especially in the area of the excavator superstructure, which is designed to be movable, in particular linearly movable, so that the guide direction of the grave cable guide is adjustable.
  • the grave cable guide is executed in particular linearly movable relative to the machine.
  • the grave rope guide serves to regulate the deflection angle of the grave rope on a grave winch.
  • the linearly movable arrangement of the trench cable guide on the working machine or the crawler crane, the deflection angle of the grave rope can vary on the grave winch, in particular, the deflection angle can be kept as small as possible.
  • the present invention allows greater flexibility in the selection of a suitable winch or winch type and with respect to the positioning of the grave cable winch on the crawler.
  • the grave cable guide is transverse to the guide direction, i. transverse to the rope course of the grave rope so in the horizontal direction movable or vershiftbar.
  • the lateral guidance of the grave cable can be easily regulated in order to keep the deflection angle of the grave rope relative to the grave cable winch in a tolerable range.
  • one or more drive means are arranged on or in the region of the grave cable guide in order to enable an automatic linear movement or an automatic shifting of the grave cable guide.
  • the arrangement of one or more drive means also allows automated control and / or regulation of the trench cable during the scraper operation.
  • drive means are hydraulically or electrically operable actuators or actuating cylinder in question.
  • any drive form for automatic adjustment of the trench cable guide is conceivable as long as the required forces for performing adjustment movement and / or positional position of the trench cable guide can be applied.
  • control means are provided for controlling the one or more drive means.
  • the automated control and / or regulation of the adjusting movement of the trimmer cable is achieved during the scraper operation.
  • the adjusting movement of the grave cable guide is preferably controlled or regulated as a function of the detected cable deflection angle of the grave rope in relation to the grave cable winch.
  • the cable deflection angle can be detected, for example, by a suitable sensor system, wherein the sensor system for the transmission of measured values communicates indirectly or directly with the control means.
  • the control device (s) preferably comprise a control logic which effects activation of the one or more drive means, such that the grave cable is wound up with a deflection angle lying in the tolerance range.
  • the control means should minimize as far as possible the diagonal pull of the grave rope on the grave cable winch.
  • the grave cable guide comprises at least one upper and at least one lower pulley.
  • the axes of rotation of the pulleys are parallel to each other.
  • the at least two pulleys are advantageously arranged one above the other, the grave cable passes through the gap formed between the two pulleys.
  • this can also be arranged pivotably relative to the machine, in particular over a pivot angle of 360 °. In the initial position, the pulleys have horizontal axes of rotation.
  • the grave cable guide comprises at least two opposite and parallel to each other roller body.
  • the roller bodies can be mounted or arranged rotatably or fixedly on the grave cable guide.
  • the at least two opposing roll bodies are arranged on the front cable entry area of the trench cable guide. With the aid of the roll body which is perpendicular to the starting position of the trench rope guide, the lateral deflection of the trench rope is prevented or limited.
  • the axes of rotation of the roll body are perpendicular to the axes of rotation of the pulleys.
  • the grave rope runs between the gap formed the opposite roll body to the subsequently arranged pulleys.
  • the present invention relates, in addition to the work machine or the crawler crane, a trench cable guide for a work machine or a crawler crane according to the present invention or an advantageous embodiment of the present invention.
  • the grave cable guide therefore has the same advantages and properties as the working machine according to the invention, which is why a repetitive description is omitted here.
  • the grave cable guide is releasably connected to the working machine or the crawler crane, in particular connectable to the superstructure of the cable excavator.
  • Conceivable is the arrangement on the pivot piece of the superstructure.
  • a direction-dependent movement of the winch can be detected by a measuring device on the winch.
  • a control computer can now use the known geometric data of the winch to calculate the current rope departure position over the winch.
  • the adjustment of the trench cable guide can be adjusted to the correct position.
  • the adjusting device is positioned so that the deflection angle of the cable on the winch is as zero as possible or that the maximum permissible deflection angle not exceeded in any case.
  • the current position of the adjusting device can be measured back via a further measuring device and corrected if necessary.
  • FIG. 1 shows a side view of the cable excavator according to the invention for the scraper operation.
  • the invention is explained below with reference to a cable excavator
  • the grave cable guide used can basically be used for any machine as a working device, as long as the necessary conditions of the machine, such as a hoist, are given.
  • the shown cable excavator 10 is designed as a crawler excavator.
  • the hoist rope 20 is guided from the superstructure of the crawler excavator 10 via the lattice boom and the roller head arranged at the top to the scraper 30.
  • About the hoist 20 of the scraper 30 can be raised and with the largest possible Distance to the uppercarriage are ejected.
  • the scraper 30 is also connected to the grave rope 40 of the cable shovel 10 in connection that by a arranged on the superstructure grave cable winch 41 and is unwound.
  • the pulling-in movement of the grave rope 40 leads to a grave movement of the scraper 30.
  • the scraper 30 shown is trough-shaped and scrape when pulling the grave rope 40 along its bearing surface with the bucket opening on the ground, so that the interior of the bucket 30 is filled with the male earth material ,
  • a grave cable guide 50 is arranged, through which the grave rope 40 is performed starting from the bucket 30 to the grave cable winch 41.
  • FIG. 2 A sectional view of the grave cable guide 50 according to the invention along a vertical sectional plane is the FIG. 2 refer to.
  • the two superposed cable guide rollers 52 which form a gap in the adjacent area, through which the grave rope 40 is guided.
  • the axes of rotation of the two pulleys 52 are arranged parallel to each other and are both in the horizontal plane. The direction of rotation of the pulleys is in opposite directions.
  • rollers 53 At the entrance of the grave cable guide two opposing rollers 53 are provided which limit the lateral deflection angle of the grave rope 40 in the horizontal plane.
  • the rollers 53 have mutually parallel vertical axes of rotation, wherein in FIG. 2 can be seen only one of the two rollers 53 due to the sectional view.
  • the entire grave cable guide is attached to the pivot piece 60 of the upper carriage.
  • the grave cable winch 41 can be seen, on which the grave rope 40 is wound up.
  • the grave cable winch 41 has a so-called LEBUS grooving, which allows a multiple winding of the grave rope 40 in the grave rope operation.
  • the relative to the cable excavator or the pivot piece 60 movable or adjustable arrangement of the grave cable guide 50 can be described with reference to the perspective view of FIG. 3 to explain.
  • the pulleys 52 of the trimmer cable guide 50 are received between the two side plates 54, at the forefront of which one of the above-described rollers 53 is rotatably clamped.
  • Both side plates 54 are tapered on the side facing the pivot piece 60 to be received by the tubular receptacle 56 of the base plate 55.
  • the base plate 55 of the grave cable guide 50 is also mounted on two guide rails 58 of the pivot plate 57 relatively displaceable to this. By means of the guide rails 58, the base plate 55 can be moved in the horizontal direction relative to the pivot piece 60.
  • the articulation plate 57 is releasably bolted over the Verbolzstellen 61 with the coupling piece, so that in regular cable excavator operation, the grave cable guide 50 removed or an existing cable excavator with matching pivot piece could be easily retrofitted.
  • the displacement is accomplished by two hydraulic releasable actuating cylinder 80, which are connected on the cylinder side with the pivot plate 60 and the piston side with the base plate. Both cylinders 80 are parallel to a respective guide rail 58. In the middle position of the piston, the guide axis of the trimmer cable 50 is aligned with the central axis of the Anlenk thoroughlyes 60. By a training or retraction, the grave cable guide 50 relative to the central axis of the Ansch thoroughlyes 60 in the horizontal direction be moved right or left.
  • the grave cable guide 50 can be pivoted relative to the cable excavator 10 or the receptacle 56.
  • the roller head formed by side plates 54, rollers 52 and rollers 53 of the trench cable guide 50 can be pivoted, for example, by a pivoting angle of 360 °.
  • FIG. 4 A further detailed view of the base plate 55 and the receiving plate 57 is the two representations of FIG. 4 refer to. Both representations show the Combination of base and articulation plate 55, 57 without the recorded side plates 54 including the roller assembly 52, 53 of the trimmer 50. Recognizable are the two hydraulic actuator cylinder 80, which are fastened inside next to the guide rails 58, and piston side with the base plate 55 and the cylinder side are bolted to the pivot plate 60.
  • the actuation of the hydraulic actuating cylinder 80 is effected by the central control unit of the cable excavator.
  • the shift movement of the grave cable guide 50 is thereby controlled or regulated, so that a minimum deflection angle of the wound grave rope relative to the grave cable winch 41 is maintained.
  • the wear of the grave rope 40 and the grave cable winch 41 can be reduced.
  • the movable configuration of the grave cable guide 50 allows the use of a grave cable winch 41 with LEBUS grooving, whereby a multi-layer winding is also possible for the grave cable winch 41.
  • a driving method for driving the trench cable guide 50 can be explained.
  • the adjusting device 100 of the trimmer cable guide 50 By correctly positioning the adjusting device 100 of the trimmer cable guide 50, the maximum cable angle of the grave cable 40 can be guaranteed on the grave cable winch 41.
  • a direction-dependent movement of the grave cable winch 41 can be detected by a measuring device 110 on the grave cable winch 41.
  • a control computer 120 can now use the known geometric data of the grave cable winch 41 to calculate the current rope departure position from the grave cable winch 41.
  • the adjustment device 100 of the trench cable guide 50 can be adjusted to the correct position.
  • the adjusting device 100 is positioned so that the deflection angle of the grave rope 40 on the grave cable winch 41 is as zero as possible or that the maximum permissible deflection angle is not exceeded in any case.
  • the current position of the adjusting device 100 can be measured back via a further measuring device 130 and corrected if necessary.
  • the control computer 120 can calculate the current rope departure position, the winch movement must be detected.
  • the measuring device By the measuring device, the Speed of the grave winch 41 and the direction of rotation of the grave winch 41 detected.
  • a measuring device for example, a not shown here incremental encoder or a speed measurement via proximity switches can be used.
  • a displacement measurement on the adjusting device 100 is used. This delivers the current position to the control computer.
  • an adjustment via a cylinder 80 may use an integrated cylinder path measurement.
  • the grave cable guide according to the invention can be made much shorter. Grave winches 41 with special grooving can advantageously also be used. The use of grave winches 41 with special grooving makes it possible to use the grave winch 41 with the grave rope guide 50 even in higher rope positions.

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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)
  • Operation Control Of Excavators (AREA)
  • Earth Drilling (AREA)
  • Jib Cranes (AREA)

Abstract

Die Erfindung betrifft eine Arbeitsmaschine (10), insbesondere einen Seilbagger, für den Schürfkübelbetrieb, mit einem über ein Hubseil aufgenommenen Schürfkübel (30), wobei der Einsatz mittels wenigstens einem Grabseil (40) zur Ausführung der Schürfbewegung einziehbar ist und eine Grabseilführung (50) zur Führung des Grabseils (40) an der Arbeitsmaschine (10) angeordnet ist, wobei die Grabseilführung (50) beweglich, insbesondere linear beweglich ausgeführt ist.The invention relates to a working machine (10), in particular a cable excavator, for scraper operation, with a scraper (30) received via a hoist rope, the insert being retractable by means of at least one grave rope (40) for carrying out the scrape movement and a grave cable guide (50). for guiding the grave rope (40) on the working machine (10) is arranged, wherein the grave rope guide (50) is designed to be movable, in particular linearly movable.

Description

Die Erfindung betrifft eine Arbeitsmaschine, insbesondere einen Seilbagger, für den Schürfkübelbetrieb, mit einem über ein Hubseil aufgenommenen Schürfkübel, wobei der Kübel mittels wenigstens einem Grabseil zur Ausführung der Schürfbewegung einziehbar und eine Grabseilführung zur Führung des Grabseils an der Arbeitsmaschine angeordnet ist.The invention relates to a working machine, in particular a crawler crane, for the scraper, with a scoop taken over a hoist rope, the bucket by means of at least one grave rope for performing the scrape movement retractable and a trench for guiding the grave rope is arranged on the machine.

Die Erfindung bezieht sich auf den Schürfkübeleinsatz einer Arbeitsmaschine, insbesondere eines Seilbaggers. In der Fachliteratur wird zudem der Begriff "Schrappen" bzw. "Schrappeinsatz" verwendet. Arbeitsmaschine bzw. Seilbagger werden dazu mit einem sogenannten Schürfkübel oder auch Schleppschaufel als Arbeitsgerät ausgestattet. Der in der Regel muldenförmige Kübel wird mit zwei Seilen, nämlich dem Hubseil sowie dem Grabseil, mit der Maschine verbunden. Über das Hubseil wird der Schürfkübel möglichst weit von der Maschine ausgeworfen. Das Grabseil verläuft direkt vom Oberwagen der Arbeitsmaschine bzw. des Baggers zur Befestigungsstelle am Schürfkübel, wobei durch Einziehen des Grabseils eine Schürfbewegung des Kübels entlang der Erdoberfläche erreicht und das oberflächliche Erdmaterial durch die Kübelöffnung aufgenommen wird.The invention relates to the scraper insert of a working machine, in particular a cable excavator. In the literature also the term "dummies" or "Schrappeinsatz" is used. Work machine or rope excavator are equipped with a so-called scraper or drag bucket as working equipment. The usually trough-shaped bucket is connected to two ropes, namely the hoist rope and the grave rope, with the machine. About the hoist rope the scraper is ejected as far as possible from the machine. The grave rope runs directly from the superstructure of the working machine or the excavator to the attachment point on the scraper, which is achieved by pulling the grave rope a scouring movement of the bucket along the earth's surface and the superficial soil material is absorbed by the bucket opening.

Im Anschluss kann der Schürfkübel bei straffem Grabseil mit dem Hubseil angehoben und am Entleerungsort durch Nachlassen des Grabseils entleert werden.Following this, the scraper can be lifted with a taut rope with the hoisting rope and emptied at the point of emptying by lowering the grave rope.

Bei bisherigen Maschinenkonstruktionen für den Schürfkübelbetrieb wurden Standardwinden mit Sonderrillung für das Grabseil eingesetzt. Dieses wird dabei über eine fest am Baggeroberwagen angebaute Grabseilführung auf die Grabseilwinde geführt.In previous machine designs for the trolley operation, standard winches with special grooving were used for the grave rope. This is done via a firmly attached to the excavator superstructure trench on the grave winch.

Um den maximal zulässigen Seilabgangswinkel des Grabseiles von der Winde einhalten zu können, muss die Grabseilführung einen Mindestabstand zur Winde aufweisen. Bei großen Winden bedeutet dies, dass die Grabseilführung sehr weit vor das Gerät herausragen muss.In order to be able to comply with the maximum permissible rope departure angle of the grave rope from the winch, the grave rope guide must have a minimum distance to the winch. For large winches, this means that the grave rope guide must protrude very far in front of the device.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine Möglichkeit für eine verbesserte Grabseilführung aufzuzeigen, die einen verschleißärmeren Betrieb sowie eine höhere Flexibilität in Bezug auf die eingesetzte Grabseilwinde gestattet.The object of the present invention is to provide a possibility for an improved grave cable guide, which allows a low-wear operation and a higher flexibility with respect to the grave cable winch used.

Diese Aufgabe wird durch eine Arbeitsmaschine, insbesondere Seilbagger, gemäß den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Arbeitsmaschine bzw. des Seilbaggers sind Gegenstand der abhängigen Ansprüche 2 bis 9.This object is achieved by a working machine, in particular a cable excavator, according to the features of claim 1. Advantageous embodiments of the working machine or the cable excavator are the subject of the dependent claims 2 to 9.

Erfindungsgemäß wird eine Arbeitsmaschine, insbesondere ein hydraulischer Seilbagger, für den Schürfkübelbetrieb vorgeschlagen, wobei die Arbeitsmaschine einen über das Hubseil aufgenommenen Schürfkübeleinsatz aufweist. Zudem umfasst die Arbeitsmaschine ein betätigbares Grabseil, das endseitig am Schürfkübeleinsatz befestigt ist. Durch Einziehen des Grabseils kann eine Schürfbewegung des Schürfkübeleinsatzes ausgeführt werden. Insbesondere verläuft das Grabseil vom Oberwagen der Arbeitsmaschine bzw. des Seilbaggers zum Schürfkübeleinsatz, während das Hubseil über die Auslegerspitze des Seilbaggers zum Schürfkübeleinsatz geführt ist.According to the invention, a working machine, in particular a hydraulic crawler crane, is proposed for the scraper operation, wherein the working machine has a scraper insert which is received via the hoisting rope. In addition, the working machine comprises an actuatable grave rope, which is fastened to the end of the trash bucket insert. By pulling in the grave rope a scraper movement of the scraper can be performed. In particular, the grave rope runs from the superstructure of the working machine or the cable excavator to the scraper, while the hoist rope is guided over the boom tip of the cable excavator for scraper use.

Erfindungsgemäß ist eine Grabseilführung zur Führung des Grabseils im Bereich des Aufbaus der Arbeitsmaschine bzw. des Baggeraufbaus, insbesondere im Bereich des Baggeroberwagens, vorgesehen, die beweglich, insbesondere linear beweglich gestaltet ist, so dass die Führungsrichtung der Grabseilführung verstellbar ist. Die Grabseilführung ist insbesondere relativ zur Arbeitsmaschine linearbewegbar ausgeführt. Die Grabseilführung dient zur Regulierung des Ablenkwinkels des Grabseils auf einer Grabseilwinde. Durch die linearbewegliche Anordnung der Grabseilführung an der Arbeitsmaschine bzw. dem Seilbagger lässt sich der Ablenkwinkel des Grabseils auf der Grabseilwinde variieren, insbesondere kann der Ablenkwinkel so klein wie möglich gehalten werden. Durch die Minimierung des Ablenkwinkels lässt sich der Verschleiß von Grabseil und/oder Grabseilwinde reduzieren. Zudem ermöglicht die vorliegende Erfindung eine höhere Flexibilität in der Auswahl einer geeigneten Windenform bzw. Windenart sowie bezüglich der Positionierung der Grabseilwinde am Seilbagger.According to the invention, a grave rope guide for guiding the grave rope in the construction of the working machine or the excavator body, especially in the area of the excavator superstructure is provided, which is designed to be movable, in particular linearly movable, so that the guide direction of the grave cable guide is adjustable. The grave cable guide is executed in particular linearly movable relative to the machine. The grave rope guide serves to regulate the deflection angle of the grave rope on a grave winch. The linearly movable arrangement of the trench cable guide on the working machine or the crawler crane, the deflection angle of the grave rope can vary on the grave winch, in particular, the deflection angle can be kept as small as possible. By minimizing the deflection angle, the wear of grave rope and / or grave winch can be reduced. In addition, the present invention allows greater flexibility in the selection of a suitable winch or winch type and with respect to the positioning of the grave cable winch on the crawler.

Besonders bevorzugt wird eine Grabseilwinde mit LEBUS-Rillung verwendet, die für den Schürfkübelbetrieb eine Mehrlagenwicklung des Grabseiles erlaubt.It is particularly preferred to use a grave winch with LEBUS grooving, which allows a multi-layer winding of the grave rope for the scraper operation.

In einer vorteilhaften Ausgestaltung ist die Grabseilführung quer zur Führungsrichtung, d.h. quer zum Seilverlauf des Grabseiles also in Horizontalrichtung bewegbar bzw. vershiftbar. Dadurch lässt sich die seitliche Führung des Grabseiles einfach regulieren, um den Ablenkwinkel des Grabseiles gegenüber der Grabseilwinde in einem tolerierbaren Bereich zu halten.In an advantageous embodiment, the grave cable guide is transverse to the guide direction, i. transverse to the rope course of the grave rope so in the horizontal direction movable or vershiftbar. As a result, the lateral guidance of the grave cable can be easily regulated in order to keep the deflection angle of the grave rope relative to the grave cable winch in a tolerable range.

Besonders vorteilhaft ist es, wenn ein oder mehrere Antriebsmittel an oder im Bereich der Grabseilführung angeordnet sind, um eine automatische Linearbewegung bzw. ein automatisches Vershiften der Grabseilführung zu ermöglichen. Die Anordnung von ein oder mehreren Antriebsmittel ermöglicht zudem eine automatisierte Ansteuerung und/oder Regelung der Grabseilführung während des Schürfkübelbetriebs.It is particularly advantageous if one or more drive means are arranged on or in the region of the grave cable guide in order to enable an automatic linear movement or an automatic shifting of the grave cable guide. The arrangement of one or more drive means also allows automated control and / or regulation of the trench cable during the scraper operation.

Als Antriebsmittel kommen hydraulisch oder elektrisch betätigbare Stellglieder bzw. Stellzylinder in Frage. Für die Umsetzung des erfindungsgemäßen Gedankens ist jedoch jegliche Antriebsform zur automatischen Verstellung der Grabseilführung denkbar, solange die erforderlichen Kräfte zur Ausführung Verstellbewegung und/oder zur Positionshaltung der Grabseilführung aufgebracht werden können.As drive means are hydraulically or electrically operable actuators or actuating cylinder in question. For the implementation of the idea according to the invention, however, any drive form for automatic adjustment of the trench cable guide is conceivable as long as the required forces for performing adjustment movement and / or positional position of the trench cable guide can be applied.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung sind Steuermittel zur Ansteuerung der ein oder mehreren Antriebsmittel vorgesehen. Über die Steuermittel wird die automatisierte Ansteuerung und/oder Regelung der Stellbewegung der Grabseilführung während des Schürfkübelbetriebes erreicht. Die Verstellbewegung der Grabseilführung wird vorzugsweise in Abhängigkeit des erfassten Seilablenkwinkels des Grabseils in Bezug zur Grabseilwinde gesteuert bzw. geregelt. Der Seilablenkwinkel lässt sich beispielsweise durch eine geeignete Sensorik erfassen, wobei die Sensorik zur Messwertübertragung mittelbar oder unmittelbar mit dem Steuermittel kommunikativ in Verbindung steht.According to a further advantageous embodiment of the invention, control means are provided for controlling the one or more drive means. About the control means, the automated control and / or regulation of the adjusting movement of the trimmer cable is achieved during the scraper operation. The adjusting movement of the grave cable guide is preferably controlled or regulated as a function of the detected cable deflection angle of the grave rope in relation to the grave cable winch. The cable deflection angle can be detected, for example, by a suitable sensor system, wherein the sensor system for the transmission of measured values communicates indirectly or directly with the control means.

Das oder die Steuermittel umfassen vorzugsweise eine Steuerungslogik, die eine Ansteuerung der ein oder mehreren Antriebsmittel derart vornimmt, so dass ein Aufwickeln des Grabseiles mit einem im Toleranzbereich liegenden Ablenkwinkel erfolgt. Die Steuermittel sollen insbesondere den Schrägzug des Grabseiles auf die Grabseilwinde soweit wie möglich minimieren.The control device (s) preferably comprise a control logic which effects activation of the one or more drive means, such that the grave cable is wound up with a deflection angle lying in the tolerance range. In particular, the control means should minimize as far as possible the diagonal pull of the grave rope on the grave cable winch.

In einer vorteilhaften Ausgestaltung umfasst die Grabseilführung wenigstens eine obere und wenigstens eine untere Seilrolle. Die Drehachsen der Seilrollen liegen parallel zueinander. Die wenigstens zwei Seilrollen sind vorteilhafterweise übereinander angeordnet, das Grabseil verläuft durch den gebildeten Spalt zwischen beiden Seilrollen. Neben der erfindungsgemäßen linear beweglichen Anordnung des Rollenkopfes der Grabseilführung an der Arbeitsmaschine kann dieser zudem gegenüber der Arbeitsmaschine verschwenkbar angeordnet sein, insbesondere über einen Schwenkwinkel von 360°. In der Ausgangslage haben die Seilrollen horizontale Drehachsen.In an advantageous embodiment, the grave cable guide comprises at least one upper and at least one lower pulley. The axes of rotation of the pulleys are parallel to each other. The at least two pulleys are advantageously arranged one above the other, the grave cable passes through the gap formed between the two pulleys. In addition to the inventive linearly movable arrangement of the roller head of the trench cable guide on the machine this can also be arranged pivotably relative to the machine, in particular over a pivot angle of 360 °. In the initial position, the pulleys have horizontal axes of rotation.

Zusätzlich oder alternativ umfasst die Grabseilführung wenigstens zwei gegenüberliegende und parallel zueinander angeordnete Walzenkörper. Die Walzenkörper können drehbar oder feststehend an der Grabseilführung gelagert bzw. angeordnet sein. Idealerweise sind die wenigstens zwei gegenüberliegenden Walzenkörper am vorderen Seileingangsbereich der Grabseilführung angeordnet. Mit Hhilfe der in der Ausgangslage der Grabseilführung senkrecht stehenden Walzenkörper wird die seitliche Ablenkung des Grabseiles verhindert bzw. begrenzt. Die Drehachsen der Walzenkörper verlaufen senkrecht zu den Drehachsen der Seilrollen. In der bevorzugten Ausführungsform verläuft das Grabseil zwischen dem gebildeten Spalt der gegenüberliegenden Walzenkörper zu den nachfolgend angeordneten Seilrollen.Additionally or alternatively, the grave cable guide comprises at least two opposite and parallel to each other roller body. The roller bodies can be mounted or arranged rotatably or fixedly on the grave cable guide. Ideally, the at least two opposing roll bodies are arranged on the front cable entry area of the trench cable guide. With the aid of the roll body which is perpendicular to the starting position of the trench rope guide, the lateral deflection of the trench rope is prevented or limited. The axes of rotation of the roll body are perpendicular to the axes of rotation of the pulleys. In the preferred embodiment, the grave rope runs between the gap formed the opposite roll body to the subsequently arranged pulleys.

Die vorliegende Erfindung betrifft neben der Arbeitsmaschine bzw. dem Seilbagger eine Grabseilführung für eine Arbeitsmaschine bzw. Seilbagger gemäß der vorliegenden Erfindung bzw. einer vorteilhaften Ausgestaltung der vorliegenden Erfindung. Die Grabseilführung weist demnach dieselben Vorteile und Eigenschaften wie die erfindungsgemäße Arbeitsmaschine auf, weshalb an dieser Stelle auf eine wiederholende Beschreibung verzichtet wird.The present invention relates, in addition to the work machine or the crawler crane, a trench cable guide for a work machine or a crawler crane according to the present invention or an advantageous embodiment of the present invention. The grave cable guide therefore has the same advantages and properties as the working machine according to the invention, which is why a repetitive description is omitted here.

In einer bevorzugten Ausführung ist die Grabseilführung lösbar mit der Arbeitsmaschine bzw. dem Seilbagger, insbesondere mit dem Oberwagen des Seilbaggers verbindbar ausgeführt. Denkbar ist die Anordnung am Anlenkstück des Oberwagens.In a preferred embodiment, the grave cable guide is releasably connected to the working machine or the crawler crane, in particular connectable to the superstructure of the cable excavator. Conceivable is the arrangement on the pivot piece of the superstructure.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung kann durch das richtige Positionieren der Verstelleinrichtung der maximale Seilwinkel des Grabseiles auf die Winde garantiert werden. Hierzu kann über eine Messeinrichtung auf der Winde eine richtungsabhängige Bewegung der Winde erkannt werden. Ein Steuerrechner kann nun mit Hilfe der bekannten geometrischen Daten der Winde die aktuelle Seilabgangsposition über der Winde berechnen. Damit kann die Verstelleinrichtung der Grabseilführung auf die richtige Position eingestellt werden. Die Verstelleinrichtung wird so positioniert, dass der Ablenkwinkel des Seiles auf der Winde möglichst null Grad beträgt bzw. dass der maximal zulässige Ablenkwinkel auf jeden Fall nicht überschritten wird. Die aktuelle Position der Verstelleinrichtung kann über eine weitere Messeinrichtung zurückgemessen und gegebenenfalls korrigiert werden.According to a further preferred embodiment of the invention can be guaranteed by the correct positioning of the adjustment of the maximum rope angle of the grave rope on the winch. For this purpose, a direction-dependent movement of the winch can be detected by a measuring device on the winch. A control computer can now use the known geometric data of the winch to calculate the current rope departure position over the winch. Thus, the adjustment of the trench cable guide can be adjusted to the correct position. The adjusting device is positioned so that the deflection angle of the cable on the winch is as zero as possible or that the maximum permissible deflection angle not exceeded in any case. The current position of the adjusting device can be measured back via a further measuring device and corrected if necessary.

Weitere Vorteile und Eigenschaften der Erfindung werden im Folgenden anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Figur 1:
eine Seitenansicht des erfindungsgemäßen Seilbaggers während des Schürfkübelbetriebs,
Figur 2:
eine Schnittdarstellung durch die erfindungsgemäße Grabseilführung,
Figur 3:
eine perspektivische Detailansicht der erfindungsgemäßen Grabseilführung,
Figur 4:
zwei Detailansichten des erfindungsgemäßen Antriebsmechanismus der Grabseilführung und
Fugur 5:
eine schematische Darstellung einer Grabseilführung.
Further advantages and features of the invention are explained in more detail below with reference to an embodiment shown in the drawings. Show it:
FIG. 1:
a side view of the cable excavator according to the invention during the scraper operation,
FIG. 2:
a sectional view through the grave cable guide according to the invention,
FIG. 3:
a detailed perspective view of the trench cable guide according to the invention,
FIG. 4:
two detailed views of the drive mechanism according to the invention of the trench cable guide and
Fugue 5:
a schematic representation of a grave rope guide.

Figur 1 zeigt eine Seitenansicht des erfindungsgemäßen Seilbaggers für den Schürfkübelbetrieb. Die Erfindung wird im Folgend anhand eines Seilbaggers erläutert Die verwendete Grabseilführung lässt sich jedoch grundsätzlich für jede Arbeitsmaschine als Arbeitsgerät einsetzen, solange die notwendigen Voraussetzungen der Arbeitsmaschine, beispielsweise ein Hubseil, gegeben sind. FIG. 1 shows a side view of the cable excavator according to the invention for the scraper operation. The invention is explained below with reference to a cable excavator The grave cable guide used, however, can basically be used for any machine as a working device, as long as the necessary conditions of the machine, such as a hoist, are given.

Der gezeigte Seilbagger 10 ist als Raupenbagger ausgeführt. Das Hubseil 20 ist ausgehend vom Oberwagen des Raupenbaggers 10 über den Gittermastausleger und den an der Spitze angeordneten Rollenkopf bis zum Schürfkübel 30 geführt. Über das Hubseil 20 kann der Schürfkübel 30 angehoben und mit möglichst großem Abstand zum Oberwagen ausgeworfen werden. Die Betätigung des Hubseils 20 erfolgt mittels der Hubseilwinde 21.The shown cable excavator 10 is designed as a crawler excavator. The hoist rope 20 is guided from the superstructure of the crawler excavator 10 via the lattice boom and the roller head arranged at the top to the scraper 30. About the hoist 20 of the scraper 30 can be raised and with the largest possible Distance to the uppercarriage are ejected. The operation of the hoist rope 20 by means of the hoist winch 21st

Der Schürfkübel 30 steht zudem mit dem Grabseil 40 des Seilbaggers 10 in Verbindung, dass durch eine am Oberwagen angeordnete Grabseilwinde 41 auf- und abwickelbar ist. Die Einziehbewegung des Grabseiles 40 führt zu einer Grabbewegung des Schürfkübels 30. Der dargestellte Schürfkübel 30 ist muldenförmig geformt und schürft beim Einziehen des Grabseiles 40 entlang seiner Auflagefläche mit der Kübelöffnung voraus über die Erdoberfläche, sodass der Innenraum des Kübels 30 mit dem aufzunehmenden Erdmaterial befüllt wird.The scraper 30 is also connected to the grave rope 40 of the cable shovel 10 in connection that by a arranged on the superstructure grave cable winch 41 and is unwound. The pulling-in movement of the grave rope 40 leads to a grave movement of the scraper 30. The scraper 30 shown is trough-shaped and scrape when pulling the grave rope 40 along its bearing surface with the bucket opening on the ground, so that the interior of the bucket 30 is filled with the male earth material ,

Am Anlenkstück 60 des Baggeroberwagens ist eine Grabseilführung 50 angeordnet, durch die das Grabseil 40 ausgehend vom Kübel 30 bis hin zur Grabseilwinde 41 geführt wird.At the pivot piece 60 of the excavator superstructure a grave cable guide 50 is arranged, through which the grave rope 40 is performed starting from the bucket 30 to the grave cable winch 41.

Eine Schnittansicht der erfindungsgemäßen Grabseilführung 50 entlang einer vertikalen Schnittebene ist der Figur 2 zu entnehmen. Zu erkennen sind die beiden übereinander angeordneten Seilführungsrollen 52, die im angrenzenden Bereich einen Spalt bilden, durch den das Grabseil 40 geführt ist. Die Drehachsen der beiden Seilrollen 52 sind parallel zueinander angeordnet und liegen beide in der Horizontalebene. Die Drehrichtung der Seilrollen ist gegensinnig.A sectional view of the grave cable guide 50 according to the invention along a vertical sectional plane is the FIG. 2 refer to. Evident are the two superposed cable guide rollers 52, which form a gap in the adjacent area, through which the grave rope 40 is guided. The axes of rotation of the two pulleys 52 are arranged parallel to each other and are both in the horizontal plane. The direction of rotation of the pulleys is in opposite directions.

Am Eingang der Grabseilführung sind zwei gegenüberliegende Walzen 53 vorgesehen, die den seitlichen Ablenkwinkel des Grabseils 40 in der horizontalen Ebene begrenzen. Die Walzen 53 weisen parallel zueinander angeordnete vertikale Drehachsen auf, wobei in Figur 2 aufgrund der Schnittdarstellung nur eine der beiden Walzen 53 zu erkennen ist.At the entrance of the grave cable guide two opposing rollers 53 are provided which limit the lateral deflection angle of the grave rope 40 in the horizontal plane. The rollers 53 have mutually parallel vertical axes of rotation, wherein in FIG. 2 can be seen only one of the two rollers 53 due to the sectional view.

Die gesamte Grabseilführung ist am Anlenkstück 60 des Oberwagens befestigt. Am rechten Bildrand ist die Grabseilwinde 41 zu erkennen, auf die das Grabseil 40 aufgewickelt wird. Die Grabseilwinde 41 weist eine sogenannte LEBUS-Rillung auf, die im Grabseilbetrieb eine Mehrfachwicklung des Grabseils 40 ermöglicht.The entire grave cable guide is attached to the pivot piece 60 of the upper carriage. On the right edge of the picture the grave cable winch 41 can be seen, on which the grave rope 40 is wound up. The grave cable winch 41 has a so-called LEBUS grooving, which allows a multiple winding of the grave rope 40 in the grave rope operation.

Die gegenüber dem Seilbagger bzw. dem Anlenkstück 60 bewegbare bzw. verstellbare Anordnung der Grabseilführung 50 lässt sich anhand der perspektivischen Darstellung der Figur 3 erklären. Die Seilrollen 52 der Grabseilführung 50 werden zwischen den beiden Seitenplatten 54 aufgenommen, an deren vorderster Stelle jeweils eine der vorbeschriebenen Walzen 53 drehbar eingespannt ist.The relative to the cable excavator or the pivot piece 60 movable or adjustable arrangement of the grave cable guide 50 can be described with reference to the perspective view of FIG. 3 to explain. The pulleys 52 of the trimmer cable guide 50 are received between the two side plates 54, at the forefront of which one of the above-described rollers 53 is rotatably clamped.

Beide Seitenplatten 54 sind auf der dem Anlenkstück 60 zugewandten Seite verjüngt ausgeführt, um durch die rohrförmige Aufnahme 56 der Grundplatte 55 aufgenommen zu werden. Die Grundplatte 55 der Grabseilführung 50 ist zudem über zwei Führungsschienen 58 der Anlenkplatte 57 relativ verschieblich zu dieser gelagert. Mittels der Führungsschienen 58 lässt sich die Grundplatte 55 in Horizontalrichtung gegenüber dem Anlenkstück 60 verschieben. Die Anlenkplatte 57 ist über die Verbolzstellen 61 mit dem Anlenkstück lösbar verbolzt, so dass bei regulärem Seilbaggerbetrieb die Grabseilführung 50 entfernt oder ein bestehender Seilbagger mit passendem Anlenkstück einfach nachgerüstet werden könnte.Both side plates 54 are tapered on the side facing the pivot piece 60 to be received by the tubular receptacle 56 of the base plate 55. The base plate 55 of the grave cable guide 50 is also mounted on two guide rails 58 of the pivot plate 57 relatively displaceable to this. By means of the guide rails 58, the base plate 55 can be moved in the horizontal direction relative to the pivot piece 60. The articulation plate 57 is releasably bolted over the Verbolzstellen 61 with the coupling piece, so that in regular cable excavator operation, the grave cable guide 50 removed or an existing cable excavator with matching pivot piece could be easily retrofitted.

Die Verschiebung wird durch zwei hydraulische lösbar Stellzylinder 80 bewerkstelligt, die zylinderseitig mit der Anlenkplatte 60 und kolbenseitig mit der Grundplatte verbunden sind. Beide Zylinder 80 liegen parallel zu jeweils einer Führungsschiene 58. In der Mittelstellung des Kolbens liegt die Führungsachse der Grabseilführung 50 fluchtend mit der Mittelachse des Anlenkstückes 60. Durch eine Aus- bzw. Einfahrbewegung kann die Grabseilführung 50 gegenüber der Mittelachse des Anlenkstückes 60 in Horizontalrichtung nach rechts oder links vershiftet werden.The displacement is accomplished by two hydraulic releasable actuating cylinder 80, which are connected on the cylinder side with the pivot plate 60 and the piston side with the base plate. Both cylinders 80 are parallel to a respective guide rail 58. In the middle position of the piston, the guide axis of the trimmer cable 50 is aligned with the central axis of the Anlenkstückes 60. By a training or retraction, the grave cable guide 50 relative to the central axis of the Anlenkstückes 60 in the horizontal direction be moved right or left.

Zusätzlich lässt sich die Grabseilführung 50 gegenüber dem Seilbagger 10 bzw. der Aufnahme 56 verschwenken. Der aus Seitenplatten 54, Rollen 52 und Walzen 53 gebildete Rollenkopf der Grabseilführung 50 lässt sich beispielsweise um einen Schwenkwinkel von 360° verschwenken.In addition, the grave cable guide 50 can be pivoted relative to the cable excavator 10 or the receptacle 56. The roller head formed by side plates 54, rollers 52 and rollers 53 of the trench cable guide 50 can be pivoted, for example, by a pivoting angle of 360 °.

Eine weitere Detailansicht der Grundplatte 55 sowie der Aufnahmeplatte 57 ist den beiden Darstellungen der Figur 4 zu entnehmen. Beide Darstellungen zeigen die Kombination aus Grund- und Anlenkplatte 55, 57 ohne die aufgenommenen Seitenplatten 54 inklusive der Rollenanordnung 52, 53 der Grabseilführung 50. Zu erkennen sind die beiden hydraulischen Stellzylinder 80, die innen neben den Führungsschienen 58 befestigt sind, und kolbenseitig mit der Grundplatte 55 und zylinderseitig mit der Anlenkplatte 60 verbolzt sind.A further detailed view of the base plate 55 and the receiving plate 57 is the two representations of FIG. 4 refer to. Both representations show the Combination of base and articulation plate 55, 57 without the recorded side plates 54 including the roller assembly 52, 53 of the trimmer 50. Recognizable are the two hydraulic actuator cylinder 80, which are fastened inside next to the guide rails 58, and piston side with the base plate 55 and the cylinder side are bolted to the pivot plate 60.

Die Betätigung der hydraulischen Stellzylinder 80 erfolgt durch die zentrale Steuereinheit des Seilbaggers. Die Shiftbewegung der Grabseilführung 50 wird dabei derart gesteuert bzw. geregelt, sodass ein minimaler Ablenkwinkel des aufgewickelten Grabseils gegenüber der Grabseilwinde 41 eingehalten wird. Dadurch lässt sich der Verschleiß des Grabseiles 40 sowie der Grabseilwinde 41 reduzieren. Zudem erlaubt die bewegliche Ausgestaltung der Grabseilführung 50 den Einsatz einer Grabseilwinde 41 mit LEBUS-Rillung, wodurch auch für die Grabseilwinde 41 eine Mehrlagenwicklung möglich ist.The actuation of the hydraulic actuating cylinder 80 is effected by the central control unit of the cable excavator. The shift movement of the grave cable guide 50 is thereby controlled or regulated, so that a minimum deflection angle of the wound grave rope relative to the grave cable winch 41 is maintained. As a result, the wear of the grave rope 40 and the grave cable winch 41 can be reduced. In addition, the movable configuration of the grave cable guide 50 allows the use of a grave cable winch 41 with LEBUS grooving, whereby a multi-layer winding is also possible for the grave cable winch 41.

Ahand der schematischen Darstellung in Figur 5 kann ein Ansteuerverfahren zur Ansteuerung der Grabseilführung 50 erläutert werden. Durch das richtige Positionieren der Verstelleinrichtung 100 der Grabseilführung 50 kann der maximale Seilwinkel des Grabseiles 40 auf die Grabseilwinde 41 garantiert werden. Hierzu kann über eine Messeinrichtung 110 auf der Grabseilwinde 41 eine richtungsabhängige Bewegung der Grabseilwinde 41 erkannt werden. Ein Steuerrechner 120 kann nun mit Hilfe der bekannten geometrischen Daten der Grabseilwinde 41 die aktuelle Seilabgangsposition von der Grabseilwinde 41 berechnen. Damit kann die Verstelleinrichtung 100 der Grabseilführung 50 auf die richtige Position eingestellt werden. Die Verstelleinrichtung 100 wird so positioniert, dass der Ablenkwinkel des Grabseiles 40 auf der Grabseilwinde 41 möglichst null Grad beträgt bzw. dass der maximal zulässige Ablenkwinkel auf jeden Fall nicht überschritten wird. Die aktuelle Position der Verstelleinrichtung 100 kann über eine weitere Messeinrichtung 130 zurückgemessen und gegebenenfalls korrigiert werden.On the basis of the schematic representation in FIG. 5 For example, a driving method for driving the trench cable guide 50 can be explained. By correctly positioning the adjusting device 100 of the trimmer cable guide 50, the maximum cable angle of the grave cable 40 can be guaranteed on the grave cable winch 41. For this purpose, a direction-dependent movement of the grave cable winch 41 can be detected by a measuring device 110 on the grave cable winch 41. A control computer 120 can now use the known geometric data of the grave cable winch 41 to calculate the current rope departure position from the grave cable winch 41. Thus, the adjustment device 100 of the trench cable guide 50 can be adjusted to the correct position. The adjusting device 100 is positioned so that the deflection angle of the grave rope 40 on the grave cable winch 41 is as zero as possible or that the maximum permissible deflection angle is not exceeded in any case. The current position of the adjusting device 100 can be measured back via a further measuring device 130 and corrected if necessary.

Damit der Steuerrechner 120 die aktuelle Seilabgangsposition berechnen kann, muss die Windenbewegung erfasst werden. Durch die Messeinrichtung werden die Geschwindigkeit der Grabseilwinde 41 sowie die Drehrichtung der Grabseilwinde 41 erfasst. Als Messeinrichtung kann beispielsweise ein hier nicht näher dargestellter Inkrementalgeber oder eine Drehzahlmessung über Näherungsschalter verwendet werden.So that the control computer 120 can calculate the current rope departure position, the winch movement must be detected. By the measuring device, the Speed of the grave winch 41 and the direction of rotation of the grave winch 41 detected. As a measuring device, for example, a not shown here incremental encoder or a speed measurement via proximity switches can be used.

Für eine Rückmessung der aktuellen Position der Verstelleinrichtung 100 wird eine Wegmessung auf der Verstelleinrichtung 100 verwendet. Diese liefert die aktuelle Position an den Steuerrechner. Zum Beispiel kann bei einer Verstellung über einen Zylinder 80 eine integrierte Zylinderwegmessung verwendet werden.For a back measurement of the current position of the adjusting device 100, a displacement measurement on the adjusting device 100 is used. This delivers the current position to the control computer. For example, an adjustment via a cylinder 80 may use an integrated cylinder path measurement.

Die erfindungsgemäße Grabseilführung kann wesentlich kürzer ausgeführt werden. Vorteilhaft können auch Grabseilwinden 41 mit Sonderrillung zum Einsatz kommen.Der Einsatz von Grabseilwinden 41 mit Sonderrillung ermöglicht den Einsatz der Grabseilwinde 41 mit der Grabseilführung 50 auch in höheren Seillagen.The grave cable guide according to the invention can be made much shorter. Grave winches 41 with special grooving can advantageously also be used. The use of grave winches 41 with special grooving makes it possible to use the grave winch 41 with the grave rope guide 50 even in higher rope positions.

Claims (10)

Arbeitsmaschine, insbesondere Seilbagger, für den Schürfkübelbetrieb, mit einem über ein Hubseil aufgenommenen Schürfkübel, wobei der Kübel mittels wenigstens einem Grabseil zur Ausführung der Schürfbewegung einziehbar ist und eine Grabseilführung zur Führung des Grabseils an der Arbeitsmaschine angeordnet ist,
dadurch gekennzeichnet,
dass die Grabseilführung beweglich, insbesondere linear beweglich ausgeführt ist.Working machine, in particular cable dredger, for the scraper, with a scoop taken over a hoist rope, wherein the bucket is retractable by means of at least one grave rope to carry out the scrape movement and a grave rope guide for guiding the grave rope is arranged on the working machine,
characterized,
that the grave rope guide is movable, in particular linearly movable executed. Arbeitsmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Grabseilführung quer zur Grabseileinzugsrichtung, insbesondere in Horizontalrichtung, beweglich, insbesondere vershiftbar ist.Work machine according to claim 1, characterized in that the grave rope guide transversely to the grave cable intake direction, in particular in the horizontal direction, is movable, in particular vershiftbar. Arbeitsmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Grabseil mittels wenigstens einer Grabseilwinde mit LEBUS-Rillung einziehbar ist.Work machine according to one of the preceding claims, characterized in that the grave rope by means of at least one grave winch with LEBUS grooving is retractable. Arbeitsmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein oder mehrere Antriebsmittel zur Erzeugung einer Linearbewegung/Shiftbewegung der Grabseilführung vorgesehen sind.Work machine according to one of the preceding claims, characterized in that one or more drive means for generating a linear movement / shift movement of the trench cable guide are provided. Arbeitsmaschine nach Anspruch 4, dadurch gekennzeichnet, dass ein oder mehrere Antriebsmittel einen Hydraulikzylinder umfassen.Work machine according to claim 4, characterized in that one or more drive means comprise a hydraulic cylinder. Arbeitsmaschine nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass Steuermittel zur Ansteuerung der ein oder mehreren Antriebsmittel vorgesehen sind, wobei die Ansteuerung den Einzugswinkel des Grabseils auf die Grabseilwinde berücksichtigt.Work machine according to one of claims 4 or 5, characterized in that control means are provided for controlling the one or more drive means, wherein the control takes into account the insertion angle of the grave rope on the grave cable winch. Arbeitsmaschine nach Anspruch 6, dadurch gekennzeichnet, dass die Steuermittel derart ausgeführt sind, so dass durch die Ansteuerung der ein oder mehreren Steuermittel der Schrägzug des Grabseils auf die Grabseilwinde minimiert wird.Work machine according to claim 6, characterized in that the control means are designed such that is minimized by the control of the one or more control means of the diagonal pull of the grave rope on the grave cable winch. Arbeitsmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Grabseilführung wenigstens eine obere und wenigstens eine untere Seilrolle mit jeweils horizontaler Drehachse umfasst.Work machine according to one of the preceding claims, characterized in that the grave cable guide comprises at least one upper and at least one lower pulley, each having a horizontal axis of rotation. Arbeitsmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, das die Grabseilführung wenigstens zwei gegenüberliegende Walzenkörper umfasst, die vorzugsweise mit vertikaler Drehachse drehbar an der Grabseilführung gelagert sind.Work machine according to one of the preceding claims, characterized in that the grave cable guide comprises at least two opposing roller bodies, which are preferably mounted with a vertical axis of rotation rotatably mounted on the grave cable guide. Grabseilführung nach einem der vorhergehenden Ansprüche, wobei die Grabseilführung insbesondere lösbar mit einer Arbeitsmaschine, insbesondere mit einem Seilbagger, verbindbar ist.Grave rope guide according to one of the preceding claims, wherein the grave cable guide is in particular detachably connectable to a working machine, in particular to a cable excavator.
EP14196941.0A 2013-12-27 2014-12-09 Working machine for the operation of a dig bucket Active EP2889431B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013022108.0A DE102013022108A1 (en) 2013-12-27 2013-12-27 Working machine for the scraper operation

Publications (3)

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EP2889431A2 true EP2889431A2 (en) 2015-07-01
EP2889431A3 EP2889431A3 (en) 2015-10-07
EP2889431B1 EP2889431B1 (en) 2021-10-06

Family

ID=52023270

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EP14196941.0A Active EP2889431B1 (en) 2013-12-27 2014-12-09 Working machine for the operation of a dig bucket

Country Status (5)

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US (1) US10113295B2 (en)
EP (1) EP2889431B1 (en)
AU (1) AU2014280935B2 (en)
CA (1) CA2875704C (en)
DE (1) DE102013022108A1 (en)

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Also Published As

Publication number Publication date
CA2875704C (en) 2021-08-10
DE102013022108A1 (en) 2015-07-02
US10113295B2 (en) 2018-10-30
AU2014280935B2 (en) 2017-12-14
CA2875704A1 (en) 2015-06-27
EP2889431B1 (en) 2021-10-06
US20150184357A1 (en) 2015-07-02
AU2014280935A1 (en) 2015-07-16
EP2889431A3 (en) 2015-10-07

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