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EP1442853B1 - Wood machining device - Google Patents

Wood machining device Download PDF

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Publication number
EP1442853B1
EP1442853B1 EP04001431A EP04001431A EP1442853B1 EP 1442853 B1 EP1442853 B1 EP 1442853B1 EP 04001431 A EP04001431 A EP 04001431A EP 04001431 A EP04001431 A EP 04001431A EP 1442853 B1 EP1442853 B1 EP 1442853B1
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EP
European Patent Office
Prior art keywords
timber
pressure plate
splitter
processing apparatus
splitting
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.)
Expired - Lifetime
Application number
EP04001431A
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German (de)
French (fr)
Other versions
EP1442853A3 (en
EP1442853A2 (en
Inventor
Christian Kessler
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Individual
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Publication of EP1442853A2 publication Critical patent/EP1442853A2/en
Publication of EP1442853A3 publication Critical patent/EP1442853A3/en
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Publication of EP1442853B1 publication Critical patent/EP1442853B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B29/00—Gripping, clamping or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
    • B27B29/02—Clamping angles; Gripping equipment thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L7/00—Arrangements for splitting wood

Definitions

  • the invention relates to a woodworking apparatus according to the preamble of claim 1 (see, for example, SU-A-1 761 472).
  • a woodworking device is known from DE-A1-195 07 197. With the gripping device different lengths of wood parts, such as logs can be added, which are then split with the splitting device, so that the operator kept out of the danger area and cost woodworking can be achieved.
  • the disadvantage is that the wood parts to be split must be in an appropriate shape, d. H. that they usually have to be cut in a special process.
  • WO-A1-03031129 a similar to the preamble of claim 1 woodworking device is known, which is not attached to an excavator, but on a lifting crane.
  • This known woodworking device already has a sawing device for the wood part to be processed.
  • Splitting device and sawing device can be operated hydraulically.
  • the sawing device can also be designed as a chain saw and be taken in the resting state in the base of a U-shaped frame.
  • a piston-cylinder unit can be provided for displacing a pressure plate opposite the splitting wedges.
  • the object of the invention is to provide a woodworking device referred to in the preamble of claim 1 species, which is supplemented by a further function and therefore works even more cost-effective.
  • the wood part to be split can now be cut to length from long wood before it is split. Also during this cutting process the operator is protected. Separate AblCodevortician with necessary AblCodemaschinemaschineen or machines can therefore be avoided.
  • a Zwickvorraum is further attached for splitting of splitting wood parts in the longitudinal direction in two halves. As a result, for example, thicker logs can be sawed off and divided in the longitudinal direction, so that subsequently the trunk halves can be split one after the other.
  • the wood splitter is formed from a reverse U-shaped frame of a horizontal base and two legs, wherein the one leg carries a horizontally operating piston-cylinder unit whose piston is connected to a sliding on the base, splitting wedges carrying riving knife carrier , and the other leg is formed by a pressure plate, that the gripping device is fixed to the base and that the sawing device arranged in the vicinity of the pressure plate and the pressure plate is vertically displaceable.
  • the long wood can therefore be taken after the Hoch psychologist the pressure plate with the gripping device and then cut to length with the sawing device; then the pressure plate can be lowered again and the cut wood part can be split with the splitting device.
  • the integration of the sawing device on the wood splitter is achieved in a simple manner.
  • the sawing device is designed as a hydraulic chain saw.
  • the chain saw can therefore be connected to the hydraulic supply system of the excavator.
  • the blade of the chain saw is taken in its resting state in the base.
  • a further piston-cylinder unit is provided for displacing the pressure plate.
  • This unit can therefore also be connected to the hydraulic supply system of the excavator.
  • the Zwickvoriques is operated hydraulically, so that it can also be connected to the hydraulic supply system of the excavator.
  • the gripper arms of the gripper device are provided on their inner side in the upper gripping area with projections. These protrusions hold the stem half formed by twining in the correct position for splitting.
  • a log splitter 1 is shown, which is attached to a provided with a hydraulic supply system, not shown excavator via a rotator 2 for rotating the log splitter 1.
  • the log splitter 1 is formed from an inverted U-shaped frame 3 of a horizontal base 4 and two legs 5, 6, wherein the leg 5 carries a horizontally operating piston-cylinder unit 7, the piston 8 with a displaceable on the base 4 , Riving knives 9 carrying riving knife carrier 10 is connected.
  • the unit 7 is connected in a manner not shown to the hydraulic supply system of the excavator.
  • the other leg 6 is formed by a pressure plate 11.
  • the base 4 consists of two spaced apart and superimposed, interconnected hollow beams 12, 13, the cross section of which is apparent from the figures.
  • the lower hollow beam 13 has two rails 14, 15 (see also Fig. 3), on which the riving knife carrier 10 is movable in the horizontal direction.
  • a gripping device 16 is attached to the lower hollow support 13, which is shown in more detail in FIG.
  • a sawing device in the form of a chain saw 17 is further attached to the lower hollow support 13, which is shown in more detail in Fig. 1.
  • the pressure plate 11 is arranged vertically displaceable on the right end of the frame 3. To displace the pressure plate 11, a further piston-cylinder unit 18 is provided, which is connected in a manner not shown to the hydraulic supply system of the excavator.
  • the operation of the Holzbearbeitunasvoriques is the following:
  • the excavator moves with the log splitter 1, the pressure plate 11 is pulled upwards, to a wood storage area and engages with the gripping device 16 a long wood part.
  • about 1 m long wood part is sawed off with the chain saw 17, after which the pressure plate 11 is moved down again, so that now the wood part between the retracted wedge support plate 10 and the pressure plate 11 is arranged.
  • the unit 7 is operated, and the wood part is split by means of the wedges 9, the number of which is six here (however, there are up to 10 wedges possible).
  • the gripping device 16 is opened fully automatically on actuation of the unit 7 with a time delay, so that no damage to the gripping device 16 by the advancing splitting wedges 9 can occur.
  • the gusset 29 must be fully open for the nip process to start.
  • the entire moving parts are equipped with sensors, so that a semi-automatic control and thus avoiding damage to the gripping device 9, the chain saw 17, the splitting wedges 9 and the pinching device 29 takes place.
  • Fig. 1 shows the chainsaw 17 in two working positions.
  • a housing 19 of the chain saw 17 is fixed to the frame 3.
  • a rotatably mounted in the housing 19 sheet 20 with the associated saw chain is received in the rest position of the chain saw 17 in a recess 21 of the lower hollow support 13.
  • the second illustrated position of the sheet 20 is denoted by 20 'and can see the sawing process in a wood part 22, which is for example a tree trunk part.
  • Fig. 2 shows the gripping device 16, the two gripping arms 23, 24, a fixed to the lower hollow support 13 mounting block 25 to which the gripping arms 23, 24 are rotatably mounted, two hinge plates 26, 27 for the gripping arms 23, 24 and a arranged between the hinge plates 26, 27 piston-cylinder unit 28 which is connected in a manner not shown to the hydraulic supply system of the excavator.
  • a pinching device 29 may be attached, which is then used when the diameter of the sawed wood part 22 for splitting with the riving knives 9 is too large.
  • the twister 29 comes after the sawing of the wood part 22 in function and divides the sawed wood part in the longitudinal direction in two halves, of which one half 22 'in Fig. 3 is shown. The two wooden halves are processed by the woodworking device sequentially and received individually by the gripping device 16.
  • the wood half 22 ' can be taken in the correct position for the cleavage, the gripping arms 23, 24 of the gripper device 16 on its inner side in the upper gripping area with projections 30, 31 are provided.
  • the splitting device 7-10 can now split the halves 21 'into eight pieces each.
  • the Zwickvoriques 29 consists of two Zwickarmen 32, 33, a fixed to the lower hollow support 13 mounting block 34 to which the Zwickarme 32, 33 are rotatably mounted, and of two rotatably connected to the mounting block 34 and the Zwickarmen 32, 33 cylinder-piston Units 35, 36, which are connected in a manner not shown to the hydraulic supply system of the excavator.
  • the Zwickarme 32, 33 are shown in a position in which the wood part is fürgezwickt and thereby two halves 22 'are formed.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Soil Working Implements (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

The wood splitter (1) has a gripping device (16), attached to a horizontal base (4), to grip felled trees, while a chain saw (17) is vertically arranged proximate a pressure plate (11) to cut said trees.

Description

Die Erfindung betrifft eine Holzbearbeitungsvorrichtung gemäß dem Oberbegriff des Anspruchs 1 (siehe z.B. SU-A-1 761 472).The invention relates to a woodworking apparatus according to the preamble of claim 1 (see, for example, SU-A-1 761 472).

Eine Holzbearbeitungsvorrichtung ist durch die DE-A1-195 07 197 bekannt. Mit der Greifvorrichtung können verschieden lange Holzteile, beispielsweise Baumstammabschnitte, aufgenommen werden, die dann mit der Spaltvorrichtung gespalten werden, so dass die Bedienungsperson aus dem Gefahrenbereich herausgehalten und eine kostengünstige Holzbearbeitung erreicht werden kann. Von Nachteil ist jedoch, dass die zu spaltenden Holzteile in passender Form vorliegen müssen, d. h. dass sie in der Regel in einem besonderen Vorgang abgelängt werden müssen.A woodworking device is known from DE-A1-195 07 197. With the gripping device different lengths of wood parts, such as logs can be added, which are then split with the splitting device, so that the operator kept out of the danger area and cost woodworking can be achieved. The disadvantage, however, is that the wood parts to be split must be in an appropriate shape, d. H. that they usually have to be cut in a special process.

Weiterhin ist durch ein Prospekt mit der Fa. Schlang & Reichart mit dem Titel "Kranspalter" (S+R Kranspalter KS 40) ein an einem feststehenden Kran befestigter Holzspalter bekannt, der eine Spaltvorrichtung und eine Greifvorrichtung aufweist und das zu spaltende Holzteil in einem Arbeitsgang ergreift, transportiert und spaltet. Der Holzspalter ist dabei aus einem umgekehrt U-förmigen Gestell aus einer horizontalen Basis und zwei Schenkeln gebildet, wobei der eine Schenkel eine horizontal arbeitende Kolben-Zylinder-Einheit trägt, deren Kolben mit einem auf der Basis verschiebbaren, Spaltkeile tragenden Spaltkeilträger verbunden ist, und der andere Schenkel durch eine Druckplatte gebildet ist, und bei der die Greifvorrichtung an der Basis befestigt ist.Furthermore, by a brochure with the company. Schlang & Reichart entitled "Kranspalter" (S + R Kranspalter KS 40) a fixed to a fixed crane wood splitter is known, which has a splitting device and a gripping device and grabs the wood part to be split in one operation, transports and splits. The log splitter is formed from a reverse U-shaped frame of a horizontal base and two legs, wherein the one leg carries a horizontally operating piston-cylinder unit whose piston is connected to a sliding on the base, splitting wedges carrying riving knife support, and the other leg is formed by a pressure plate, and wherein the gripping device is fixed to the base.

Durch die DE-C2-199 10 429 ist ein Holzgreifer mit angebauter Kettensäge bekannt, die gegenüber dem Holzgreifer in Längsrichtung des zu sägenden Holzes verschiebbar ist.By DE-C2-199 10 429 a wooden gripper with attached chainsaw is known, which is displaceable relative to the wood gripper in the longitudinal direction of the wood to be sawn.

Ferner ist durch die WO-A1-03031129 eine dem Oberbegriff des Anspruchs 1 ähnliche Holzbearbeitungsvorrichtung bekannt, die jedoch nicht an einem Bagger, sondern an einem Hebekran angebracht ist. Diese bekannte Holzbearbeitungsvorrichtung weist bereits eine Sägevorrichtung für das zu bearbeitende Holzteil auf. Spaltvorrichtung und Sägevorrichtung können hydraulisch betrieben sein. Die Sägevorrichtung kann auch als Kettensäge ausgebildet und im Ruhezustand in der Basis eines U-förmigen Gestells aufgenommen sein. Schließlich kann zur Verschiebung einer den Spaltkeilen gegenüberliegenden Druckplatte eine Kolben-Zylinder-Einheit vorgesehen sein.Furthermore, WO-A1-03031129 a similar to the preamble of claim 1 woodworking device is known, which is not attached to an excavator, but on a lifting crane. This known woodworking device already has a sawing device for the wood part to be processed. Splitting device and sawing device can be operated hydraulically. The sawing device can also be designed as a chain saw and be taken in the resting state in the base of a U-shaped frame. Finally, a piston-cylinder unit can be provided for displacing a pressure plate opposite the splitting wedges.

Die Aufgabe der Erfindung besteht darin, eine Holzbearbeitungsvorrichtung der im Oberbegriff des Anspruchs 1 genannten Art zu schaffen, die um eine weitere Funktion ergänzt ist und daher noch kostengünstiger arbeitet.The object of the invention is to provide a woodworking device referred to in the preamble of claim 1 species, which is supplemented by a further function and therefore works even more cost-effective.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved with the features of claim 1.

Mit der Sägevorrichtung kann nun das zu spaltende Holzteil von Langholz abgelängt werden, ehe es gespalten wird. Auch während dieses Ablängvorgangs ist die Bedienungsperson geschützt. Gesonderte Ablängvorgänge mit dazu nötigen Ablängwerkzeugen oder -maschinen können daher vermieden werden. Am Holzspalter ist ferner eine Zwickvorrichtung zum Zerteilen von zu spaltenden Holzteilen in deren Längsrichtung in zwei Hälften angebracht. Dadurch können beispielsweise auch dickere Baumstämme abgesägt und in Längsrichtung geteilt werden, so dass anschließend die Stammhälften nacheinander gespalten werden können.With the sawing device, the wood part to be split can now be cut to length from long wood before it is split. Also during this cutting process the operator is protected. Separate Ablängvorgänge with necessary Ablängwerkzeugen or machines can therefore be avoided. At the wood splitter, a Zwickvorrichtung is further attached for splitting of splitting wood parts in the longitudinal direction in two halves. As a result, for example, thicker logs can be sawed off and divided in the longitudinal direction, so that subsequently the trunk halves can be split one after the other.

Gemäß der Erfindung ist der Holzspalter aus einem umgekehrt U-förmigen Gestell aus einer horizontalen Basis und zwei Schenkeln gebildet, wobei der eine Schenkel eine horizontal arbeitende Kolben-Zylinder-Einheit trägt, deren Kolben mit einem auf der Basis verschiebbaren, Spaltkeile tragenden Spaltkeilträger verbunden ist, und der andere Schenkel durch eine Druckplatte gebildet ist, dass die Greifvorrichtung an der Basis befestigt ist und dass die Sägevorrichtung in der Nähe der Druckplatte angeordnet und die Druckplatte vertikal verschiebbar ist. Das Langholz kann daher nach dem Hochverfahren der Druckplatte mit der Greifvorrichtung ergriffen werden und dann mit der Sägevorrichtung abgelängt werden; dann kann die Druckplatte wieder abgesenkt und das abgelängte Holzteil mit der Spaltvorrichtung gespalten werden. Die Integrierung der Sägevorrichtung am Holzspalter ist dabei in einfacher Weise erreicht.According to the invention, the wood splitter is formed from a reverse U-shaped frame of a horizontal base and two legs, wherein the one leg carries a horizontally operating piston-cylinder unit whose piston is connected to a sliding on the base, splitting wedges carrying riving knife carrier , and the other leg is formed by a pressure plate, that the gripping device is fixed to the base and that the sawing device arranged in the vicinity of the pressure plate and the pressure plate is vertically displaceable. The long wood can therefore be taken after the Hochverfahren the pressure plate with the gripping device and then cut to length with the sawing device; then the pressure plate can be lowered again and the cut wood part can be split with the splitting device. The integration of the sawing device on the wood splitter is achieved in a simple manner.

Gemäß einer bevorzugten Ausbildung der Erfindung ist die Sägevorrichtung als hydraulische Kettensäge ausgebildet. Die Kettensäge kann daher an das hydraulische Versorgungssystem des Baggers angeschlossen werden.According to a preferred embodiment of the invention, the sawing device is designed as a hydraulic chain saw. The chain saw can therefore be connected to the hydraulic supply system of the excavator.

Gemäß einer zweckmäßigen, bevorzugten Ausbildung der Erfindung ist das Blatt der Kettensäge in deren Ruhezustand in der Basis aufgenommen.According to an expedient, preferred embodiment of the invention, the blade of the chain saw is taken in its resting state in the base.

Gemäß einer weiteren, bevorzugten Ausbildung der Erfindung ist zur Verschiebung der Druckplatte eine weitere Kolben-Zylinder-Einheit vorgesehen. Diese Einheit kann daher ebenfalls an das hydraulische Versorgungssystem des Baggers angeschlossen werden.According to a further preferred embodiment of the invention, a further piston-cylinder unit is provided for displacing the pressure plate. This unit can therefore also be connected to the hydraulic supply system of the excavator.

Gemäß einer weiteren, bevorzugten Ausbildung der Erfindung wird die Zwickvorrichtung hydraulisch betrieben, so dass sie ebenfalls an das hydraulische Versorgungssystem des Baggers angeschlossen werden kann.According to a further preferred embodiment of the invention, the Zwickvorrichtung is operated hydraulically, so that it can also be connected to the hydraulic supply system of the excavator.

Gemäß einer weiteren, bevorzugten Ausbildung der Erfindung sind die Greifarme der Greifervorrichtung auf ihrer Innenseite im oberen Greifbereich mit Vorsprüngen versehen. Diese Vorsprünge halten die durch Zwicken entstandene Stammhälfte in der zum Spalten richtigen Lage.According to a further, preferred embodiment of the invention, the gripper arms of the gripper device are provided on their inner side in the upper gripping area with projections. These protrusions hold the stem half formed by twining in the correct position for splitting.

Die Erfindung wird nun anhand von Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1
einen schematischen Schnitt durch ein Holzspalter gemäß der Erfindung an der Stelle der Sägevorrichtung und eine schematische Ansicht der Sägevorrichtung und eines Baumstamms,
Fig. 2
einen schematischen Schnitt durch den Holzspalter an der Stelle der Greifvorrichtung und eine schematische Ansicht der Greifvorrichtung und einer längsgeteilten Baumhälfte,
Fig. 3
einen schematischen Schnitt durch den Holzspalter an der Stelle der Spaltvorrichtung und eine schematische Ansicht der Spaltvorrichtung und eines Baumstamms,
Fig. 4
eine schematische Seitenansicht eines an einem Bagger anbaubaren Holzspalters zweiter Ausführung mit einer Zwickvorrichtung gemäß der Erfindung und
Fig. 5
einen schematischen Schnitt durch den Holzspalter der Fig. 4 an der Stelle der Zwickvorrichtung und eine schematische Ansicht der Zwickvorrichtung und eines Baumstamms.
The invention will now be explained in more detail with reference to exemplary embodiments. Show it:
Fig. 1
a schematic section through a log splitter according to the invention at the location of the sawing device and a schematic view of the sawing device and a tree trunk,
Fig. 2
a schematic section through the wood splitter at the location of the gripping device and a schematic view of the gripping device and a longitudinally divided tree half,
Fig. 3
a schematic section through the wood splitter at the location of the splitting device and a schematic view of the splitting device and a tree trunk,
Fig. 4
a schematic side view of attachable to an excavator wood splitter second embodiment with a Zwickvorrichtung according to the invention and
Fig. 5
a schematic section through the log splitter of Fig. 4 at the location of the pinching device and a schematic view of the pinching device and a tree trunk.

In den Figuren 1 bis 3 ist ein Holzspalter 1 dargestellt, der an einem mit einem hydraulischen Versorgungssystem versehenen, nicht dargestellten Bagger über einen Rotator 2 zum Drehen des Holzspalters 1 angebaut ist. Der Holzspalter 1 ist aus einem umgekehrt U-förmigen Gestell 3 aus einer horizontalen Basis 4 und zwei Schenkeln 5, 6 gebildet, wobei der Schenkel 5 eine horizontal arbeitende Kolben-Zylinder-Einheit 7 trägt, deren Kolben 8 mit einem auf der Basis 4 verschiebbaren, Spaltkeile 9 tragenden Spaltkeilträger 10 verbunden ist. Die Einheit 7 ist in nicht dargestellter Weise mit dem hydraulischen Versorgungssystem des Baggers verbunden. Der andere Schenkel 6 ist durch eine Druckplatte 11 gebildet. Die Basis 4 besteht dabei aus zwei im Abstand zueinander und übereinander liegenden, miteinander verbundenen Hohlträgern 12, 13, deren Querschnitt aus den Figuren hervorgeht. Der untere Hohlträger 13 weist zwei Schienen 14, 15 (s. auch Fig. 3) auf, auf denen der Spaltkeilträger 10 in Horizontalrichtung verfahrbar ist. Unterhalb des Rotators 2 ist eine Greifvorrichtung 16 am unteren Hohlträger 13 angebracht, die näher in Fig. 2 dargestellt ist. In der Nähe der Druckplatte 11 ist ferner am unteren Hohlträger 13 eine Sägevorrichtung in Form einer Kettensäge 17 befestigt, die näher in Fig. 1 dargestellt ist.In Figures 1 to 3, a log splitter 1 is shown, which is attached to a provided with a hydraulic supply system, not shown excavator via a rotator 2 for rotating the log splitter 1. The log splitter 1 is formed from an inverted U-shaped frame 3 of a horizontal base 4 and two legs 5, 6, wherein the leg 5 carries a horizontally operating piston-cylinder unit 7, the piston 8 with a displaceable on the base 4 , Riving knives 9 carrying riving knife carrier 10 is connected. The unit 7 is connected in a manner not shown to the hydraulic supply system of the excavator. The other leg 6 is formed by a pressure plate 11. The base 4 consists of two spaced apart and superimposed, interconnected hollow beams 12, 13, the cross section of which is apparent from the figures. The lower hollow beam 13 has two rails 14, 15 (see also Fig. 3), on which the riving knife carrier 10 is movable in the horizontal direction. Below the rotator 2, a gripping device 16 is attached to the lower hollow support 13, which is shown in more detail in FIG. In the vicinity of the pressure plate 11 a sawing device in the form of a chain saw 17 is further attached to the lower hollow support 13, which is shown in more detail in Fig. 1.

Die Druckplatte 11 ist am rechten Ende des Gestells 3 vertikal verschiebbar angeordnet. Zur Verschiebung der Druckplatte 11 ist eine weitere Kolben-Zylinder-Einheit 18 vorgesehen, die in nicht dargestellter Weise an das hydraulische Versorgungssystem des Baggers angeschlossen ist.The pressure plate 11 is arranged vertically displaceable on the right end of the frame 3. To displace the pressure plate 11, a further piston-cylinder unit 18 is provided, which is connected in a manner not shown to the hydraulic supply system of the excavator.

Die Arbeitsweise der Holzbearbeitunasvorrichtung ist folgende: Der Bagger fährt mit dem Holzspalter 1, dessen Druckplatte 11 nach oben hochgezogen ist, zu einem Holzlagerplatz und greift mit der Greifeinrichtung 16 ein Langholzteil auf. Dann wird mit der Kettensäge 17 ein etwa 1 m langes Holzteil abgesägt, wonach die Druckplatte 11 wieder nach unten verfahren wird, so dass nun das Holzteil zwischen der zurückgefahrenen Keilträgerplatte 10 und der Druckplatte 11 angeordnet ist. Dann wird die Einheit 7 betätigt, und das Holzteil wird mittels der Keile 9, deren Anzahl hier sechs beträgt (es sind jedoch bis zu 10 Keile möglich), gespalten.The operation of the Holzbearbeitunasvorrichtung is the following: The excavator moves with the log splitter 1, the pressure plate 11 is pulled upwards, to a wood storage area and engages with the gripping device 16 a long wood part. Then, about 1 m long wood part is sawed off with the chain saw 17, after which the pressure plate 11 is moved down again, so that now the wood part between the retracted wedge support plate 10 and the pressure plate 11 is arranged. Then, the unit 7 is operated, and the wood part is split by means of the wedges 9, the number of which is six here (however, there are up to 10 wedges possible).

Die Greifvorrichtung 16 wird bei Betätigung der Einheit 7 etwas zeitverzögert vollautomatisch geöffnet, damit keine Beschädigung der Greifeinrichtung 16 durch die vorfahrenden Spaltkeile 9 auftreten kann.The gripping device 16 is opened fully automatically on actuation of the unit 7 with a time delay, so that no damage to the gripping device 16 by the advancing splitting wedges 9 can occur.

Die Zwickvorrichtung 29 muss vollständig geöffnet sein, damit der Spaltprozess starten kann.The gusset 29 must be fully open for the nip process to start.

Die gesamten bewegten Teile sind mit Sensoren ausgestattet, so dass eine teilautomatische Steuerung und somit eine Vermeidung von Beschädigungen der Greifeinrichtung 9, der Kettensäge 17, der Spaltkeile 9 und der Zwickvorrichtung 29 stattfindet.The entire moving parts are equipped with sensors, so that a semi-automatic control and thus avoiding damage to the gripping device 9, the chain saw 17, the splitting wedges 9 and the pinching device 29 takes place.

Weiterhin erfolgt beim Ergreifen eines Langholzes mit der Greifvorrichtung 16 eine Messung des Durchmessers, um eine optimale Höheneinstellung des Holzstückes gegenüber den Keilen 9 und damit eine optimale Aufspaltung ermöglichen zu können.Furthermore, when gripping a long wood with the gripping device 16, a measurement of the diameter takes place in order to enable optimum height adjustment of the wood piece relative to the wedges 9 and thus optimal splitting.

Danach werden die gespaltenen Holzstücke auf einem geeigneten Platz aus der Greifvorrichtung 16 entlassen. Dieser Arbeitszvklus kann beliebig wiederholt werden.Thereafter, the split pieces of wood on a suitable place from the gripping device 16 are released. This working cycle can be repeated as desired.

Die Fig. 1 zeigt die Kettensäge 17 in zwei Arbeitsstellungen. Ein Gehäuse 19 der Kettensäge 17 ist am Gestell 3 befestigt. Ein im Gehäuse 19 drehbar befestigtes Blatt 20 mit der zugehörigen Sägekette ist in der Ruhelage der Kettensäge 17 in einer Ausnehmung 21 des unteren Hohlträgers 13 aufgenommen. Die zweite dargestellte Stellung des Blatts 20 ist mit 20' bezeichnet und lässt den Sägevorgang in einem Holzteil 22 erkennen, das beispielsweise ein Baumstammteil ist.Fig. 1 shows the chainsaw 17 in two working positions. A housing 19 of the chain saw 17 is fixed to the frame 3. A rotatably mounted in the housing 19 sheet 20 with the associated saw chain is received in the rest position of the chain saw 17 in a recess 21 of the lower hollow support 13. The second illustrated position of the sheet 20 is denoted by 20 'and can see the sawing process in a wood part 22, which is for example a tree trunk part.

Die Fig. 2 zeigt die Greifvorrichtung 16, die aus zwei Greifarmen 23, 24, einem am unteren Hohlträger 13 befestigten Befestigungsblock 25, an dem die Greifarme 23, 24 drehbar gelagert sind, aus zwei Gelenkplatten 26, 27 für die Greifarme 23, 24 und einer zwischen den Gelenkplatten 26, 27 angeordneten Kolben-Zylinder-Einheit 28 besteht, die in nicht dargestellter Weise an das hydraulische Versorgungssystem des Baggers angeschlossen ist.Fig. 2 shows the gripping device 16, the two gripping arms 23, 24, a fixed to the lower hollow support 13 mounting block 25 to which the gripping arms 23, 24 are rotatably mounted, two hinge plates 26, 27 for the gripping arms 23, 24 and a arranged between the hinge plates 26, 27 piston-cylinder unit 28 which is connected in a manner not shown to the hydraulic supply system of the excavator.

In Fig. 3 die Lage der Spaltkeile 9 der Spaltvorrichtung 7-10 gezeigt, mit der das Holzteil 22 in acht Stücke gespalten wird.In Fig. 3, the position of the splitting wedges 9 of the splitter 7-10 shown, with the wood part 22 is split into eight pieces.

Zusätzlich kann bei einer zweiten Ausführung 1' des beschriebenen Holzspalters 1 der Figuren 1-3 am unteren Hohlträger 13 zwischen dem Schenkel 5 und der Greifvorrichtung 16 eine Zwickvorrichtung 29 befestigt sein, die dann verwendet wird, wenn der Durchmesser des abgesägten Holzteils 22 für die Spaltung mit den Spaltkeilen 9 zu groß ist. Die Zwickeinrichtung 29 tritt nach dem Absägen des Holzteils 22 in Funktion und zerteilt das abgesägte Holzteil in dessen Längsrichtung in zwei Hälften, von denen eine Hälfte 22' in Fig. 3 gezeigt ist. Die beiden Holzhälften werden von der Holzbearbeitungsvorrichtung nacheinander bearbeitet und einzeln durch die Greifvorrichtung 16 aufgenommen. Damit die Holzhälfte 22' in die für die Spaltung richtige Lage ergriffen werden kann, sind die Greifarme 23, 24 der Greifervorrichtung 16 auf ihrer Innenseite im oberen Greifbereich mit Vorsprüngen 30, 31 versehen. Die Spaltvorrichtung 7 - 10 kann nun die Hälften 21' jeweils in acht Stücke spalten.In addition, in a second embodiment 1 'of the described wood splitter 1 of Figures 1-3 at the lower hollow beam 13 between the leg 5 and the gripping device 16, a pinching device 29 may be attached, which is then used when the diameter of the sawed wood part 22 for splitting with the riving knives 9 is too large. The twister 29 comes after the sawing of the wood part 22 in function and divides the sawed wood part in the longitudinal direction in two halves, of which one half 22 'in Fig. 3 is shown. The two wooden halves are processed by the woodworking device sequentially and received individually by the gripping device 16. Thus, the wood half 22 'can be taken in the correct position for the cleavage, the gripping arms 23, 24 of the gripper device 16 on its inner side in the upper gripping area with projections 30, 31 are provided. The splitting device 7-10 can now split the halves 21 'into eight pieces each.

Die Zwickvorrichtung 29 besteht aus zwei Zwickarmen 32, 33, einem am unteren Hohlträger 13 befestigten Befestigungsblock 34, an dem die Zwickarme 32, 33 drehbar gelagert sind, und aus zwei drehbar mit dem Befestigungsblock 34 und den Zwickarmen 32, 33 verbundenen Zylinder-Kolben-Einheiten 35, 36, die in nicht dargestellter Weise an das hydraulische Versorgungssystem des Baggers angeschlossen sind. Die Zwickarme 32, 33 sind in einer Lage gezeigt, in der das Holzteil durchgezwickt ist und dadurch zwei Hälften 22' entstanden sind.The Zwickvorrichtung 29 consists of two Zwickarmen 32, 33, a fixed to the lower hollow support 13 mounting block 34 to which the Zwickarme 32, 33 are rotatably mounted, and of two rotatably connected to the mounting block 34 and the Zwickarmen 32, 33 cylinder-piston Units 35, 36, which are connected in a manner not shown to the hydraulic supply system of the excavator. The Zwickarme 32, 33 are shown in a position in which the wood part is durchgezwickt and thereby two halves 22 'are formed.

Claims (6)

  1. Timber processing apparatus comprising a digger and a timber splitter, which is attachable to the said digger and includes a clamping device and a splitting device and clamps, conveys and splits the piece of timber to be split in one operation, wherein a sawing device (17) for the piece of timber (22, 22') is mounted on the timber splitter (1, 1'), characterised in that in addition a pincer device (29) for separating sawn pieces of timber into two halves (22') in their longitudinal direction is mounted on the timber splitter (1') and in that the timber splitter (1, 1') is formed from a reverse U-shaped framework comprising the horizontal base (4) and two portion (5, 6), wherein the one portion (5) supports a horizontally working piston cylinder unit (7, 8), the piston of which is connected to a splitting wedge carrier (10) that supports splitting wedges (9) and is displaceable on the base (4), and the other portion (6) is formed by a pressure plate (11), in that the clamping device (16) is secured to the base (4) and in that the sawing device (17) is disposed in the vicinity of the pressure plate (11) and the pressure plate (11) is vertically displaceable.
  2. Timber processing apparatus according to claim 1, characterised in that the sawing device is in the form of a chain saw (17).
  3. Timber processing apparatus according to claim 2, characterised in that, in its rest state, the blade (20) of the chain saw (17) is accommodated in the base (4).
  4. Timber processing apparatus according to one of claims 1 to 3, characterised in that an additional piston cylinder unit is provided for displacing the pressure plate (11).
  5. Timber processing apparatus according to one of claims 1 to 4, characterised in that the pincer device (29) is operated in a hydraulic manner.
  6. Timber processing apparatus according to one of claims 1 to 5, characterised in that the clamping arms (23, 24) of the clamping device (16) are provided with projections (30, 31) on their inside in the upper region.
EP04001431A 2003-01-24 2004-01-23 Wood machining device Expired - Lifetime EP1442853B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10302906A DE10302906A1 (en) 2003-01-24 2003-01-24 Woodworking device
DE10302906 2003-01-24

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EP1442853A2 EP1442853A2 (en) 2004-08-04
EP1442853A3 EP1442853A3 (en) 2004-08-18
EP1442853B1 true EP1442853B1 (en) 2006-06-21

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EP04001431A Expired - Lifetime EP1442853B1 (en) 2003-01-24 2004-01-23 Wood machining device

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AT (1) ATE330759T1 (en)
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006032054A1 (en) 2006-03-24 2008-01-17 Scheppach Fabrikation Von Holzbearbeitungsmaschinen Gmbh Standing wood splitter
DE102006014173A1 (en) * 2006-03-24 2007-10-11 Scheppach Fabrikation Von Holzbearbeitungsmaschinen Gmbh Wood splitter for splitting a piece of wood into pieces/firewood has a retaining space for the piece of wood limited by a mounting part, splitting wedge and an insertable bag
DE102012006664B4 (en) 2012-04-03 2017-07-06 Jonas Padberg Attachment with wood splitter
EP2832510B1 (en) * 2013-08-02 2018-02-28 Haiko Hörter Device and method for producing split wood
DE102014110968A1 (en) * 2014-08-01 2016-02-04 Stader Metall Gmbh & Co. Kg Wood saw and wood splitter for sawing and splitting wood
IT201900003361A1 (en) * 2019-03-08 2019-06-08 Docma S R L DEVICE TO BLOCK THE LOGS FOR THE SPLITTER OR SIMILAR

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160470A (en) * 1978-03-13 1979-07-10 Timbern, Ltd. Log shearing and splitting device
DE3142008A1 (en) * 1981-10-22 1983-05-05 Maschinenfabrik Gerhard Krüger GmbH, 8951 Rieden Wood-cutting machine
SE463964B (en) * 1987-12-29 1991-02-18 Bo Pettersson PROCEDURE TO ACHIEVE THE SHARING OF LOOSE GOODS AND DEVICE FOR IMPLEMENTATION OF THE PROCEDURE
SU1761472A1 (en) * 1990-07-09 1992-09-15 Карельский научно-исследовательский институт лесной промышленности Wood-working mounting device
DE19507197A1 (en) * 1995-03-02 1996-09-05 Peter Niederthanner Hydraulic tool for esp. digger for handling and splitting firewood
IT1294630B1 (en) * 1997-09-11 1999-04-12 Rossa Ercole Della AUTOMATIC ELECTRONIC WOOD CUTTER / SPLIT MACHINE
DE19910429C2 (en) * 1998-03-14 2000-05-25 Hirschenauer Erwin Wooden grapple with attached chainsaw
DE19940812A1 (en) * 1999-08-27 2001-03-01 Martin Hauder Wood processing device, especially for preparing wood pieces cut to length, split has saw device for cutting through wood for processing in sawing region at distance from splitting device
EP1434673B1 (en) * 2001-10-10 2006-03-22 BRUNNER, Ernst Device and method for splitting wood

Also Published As

Publication number Publication date
EP1442853A3 (en) 2004-08-18
DE10302906A1 (en) 2004-08-05
DE502004000781D1 (en) 2006-08-03
ATE330759T1 (en) 2006-07-15
EP1442853A2 (en) 2004-08-04

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