WO2024008497A1 - Vorrichtung zum spalten von langholz - Google Patents
Vorrichtung zum spalten von langholz Download PDFInfo
- Publication number
- WO2024008497A1 WO2024008497A1 PCT/EP2023/067265 EP2023067265W WO2024008497A1 WO 2024008497 A1 WO2024008497 A1 WO 2024008497A1 EP 2023067265 W EP2023067265 W EP 2023067265W WO 2024008497 A1 WO2024008497 A1 WO 2024008497A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hold
- splitting
- commercial vehicle
- down device
- pliers
- 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.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- B27L7/06—Arrangements for splitting wood using wedges, knives or spreaders
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
Definitions
- the invention relates to a device for splitting long wood, which has a connecting device for connecting the device to a commercial vehicle, a pliers arm arranged on the connecting device and a splitting pliers arranged on the pliers arm, preferably at its distal end, with at least two claws that can be moved towards one another, wherein the splitting pliers can be raised and lowered.
- Splitting pliers are primarily used in forestry to split felled tree trunks - so-called long logs - lengthwise in order to obtain suitable pieces of wood for equipping a wood chipper. However, they can also be used in general to shred larger pieces of wood, sections of wood or rhizomes.
- Forestry commercial vehicles are known from the prior art, which are used for splitting long wood and for this purpose have splitting tongs that are mounted on a crane girder and can usually be closed and opened again with the aid of a hydraulic drive.
- the claws of the splitting pliers which are provided with cutting edges or cutting wedges, grip the side of a piece of wood, e.g. a tree trunk, and cut deeper and deeper into the wood from the side when the splitting pliers are closed, as a result of which the wood fibers running in the longitudinal direction are torn apart Wood is split.
- the splitting tongs are lifted with the help of a crane girder in conventional commercial vehicles that are used to split long wood.
- the part of the piece of wood arranged by the claws and enclosed by the splitting pliers moves upwards away from the lower part of the piece of wood. So that the lower part of the piece of wood is not lifted up together with the upper part and the gap can be opened, the lower part is usually actively held on the ground or from below using a gripping device.
- Such devices for splitting long wood are known, for example, from AT 504125 A4, DE 10 2006 031 128 A1, AT 521817 A1 and DE 202011 050 774 U1.
- a gripping pliers for moving sawn wood, such as broken tree trunks, is known, for example, from EP 1852 013 A1.
- the invention is based on the object of providing a device for splitting long wood of the type mentioned at the outset, which does not have the disadvantages of the prior art.
- a simple device for splitting long wood that can be used with a large number of commercial vehicles is to be provided.
- This problem is solved according to the invention with a device which has the features of claim 1.
- the device additionally has a hold-down device for holding down long pieces of wood, which has a longitudinal extension and a downwardly directed free end which can be raised and lowered.
- the device according to the invention is designed in such a way that the free end of the hold-down device can be lowered or raised during the process of splitting the long timber.
- the free end of the hold-down device can be raised and lowered independently of the splitting pliers, so that it can be lowered, for example, while the splitting pliers remain at a height or are raised.
- a free end of a hold-down device, which remains in a lowered or raised position when splitting the wood, cannot be raised or lowered in the sense of the invention.
- the hold-down device is raised and lowered in particular with the help of at least one drive, which drive can be an electric, hydraulic, pneumatic or other drive.
- the long wood is grabbed - preferably at one end - with the splitting pliers and split locally in the attack area of the splitting pliers. Then the downward-facing free end of the hold-down device, which is attached to the long wood before, during or after using the splitting pliers - preferably also at the end - is lowered.
- the hold-down device attacks that part of the long wood that lies below the local gap created by the splitting pliers.
- the lower part of the long wood is pressed down and the gap created locally in the attack area of the splitting pliers is opened further, so that the gap continues over the entire length of the long wood and finally splits the long wood completely.
- the splitting tongs of the device according to the invention do not necessarily have to be raised upwards when splitting the long wood. It can be kept at a height, which means that the splitting tongs holder can be set up much more simply than with conventional commercial vehicles that are intended for splitting long wood.
- embodiments of the device according to the invention are also conceivable in which the splitting pliers are moved upwards during splitting.
- the advantage of these embodiments is that the splitting of the long wood can be done much faster (in principle even twice as fast) thanks to the interaction of lowering the free end of the hold-down device and raising the splitting tongs than with conventional commercial vehicles that are intended for splitting long wood.
- the device according to the invention can be connected to a commercial vehicle via the connecting device.
- a tractor for example, can be used as a commercial vehicle. This means that even in smaller agricultural or forestry operations, a cost-effective option for splitting long wood can be provided without having to do it specifically specialized vehicle must be purchased.
- the device according to the invention can be connected to or disconnected from the commercial vehicle relatively easily and quickly, without major modifications being necessary to the commercial vehicle itself.
- a downward-directed free end is also considered to be a free end of which only a part, element, section, etc. is directed downwards.
- the pliers arm can be pivoted in a vertical plane. This can be achieved in particular by the pliers arm being pivotally connected to the connecting device at its proximal end and/or by the connecting device being pivotally connectable to the commercial vehicle. Pivoting the pliers arm allows the splitting pliers to be lowered or raised easily and effectively so that they can be moved to a piece of long wood lying on the ground.
- the tong arm is not pivotable, but rather the splitting tongs can be raised and lowered essentially vertically. This can be achieved, for example, by vertically moving or extending the gun arm.
- the hold-down device has at least one thorn, a claw or a tooth at its free end for holding down long wood.
- the hold-down device has an element at its free end that is suitable for attacking or engaging with a long piece of wood.
- Such an attack element in particular has at least one tip and/or at least one sharp edge with which it can penetrate the wood when attacking or engaging.
- the hold-down device can be arranged on the connecting device and/or on the gun arm.
- the hold-down device can be arranged directly or indirectly, for example via a bearing, a fastening element, a fastening device, an automatic movement device or the like, on the connecting device and/or on the pliers arm.
- the hold-down device has an elongated support element running in the direction of its longitudinal extent.
- the hold-down device essentially consists of the support element, which has the shape of an elongated support with a circular, rectangular, I-shaped, U-shaped or other shaped cross section.
- Such hold-down devices are easy to manufacture. Furthermore, the free end of such a hold-down device can be lowered and raised in a simple manner.
- the longitudinal extent of the hold-down device runs at an acute angle to the vertical.
- Such hold-down devices exert an obliquely downward force on the long wood with their free end when splitting, which prevents the hold-down device from slipping off the long wood when splitting it.
- the hold-down device can be pivoted about a substantially horizontally extending pivot axis.
- the angle that the longitudinal extension of the hold-down device forms with the vertical can be changed. This enables effective handling of different sizes or shapes Pieces of long wood, as the hold-down device can attack the long wood at different angles or can be brought up to the long wood.
- the free end of the hold-down device can be raised and lowered by the hold-down device, preferably an elongated support element of the hold-down device, being mounted in the device so as to be displaceable in the direction of the longitudinal extent of the hold-down device.
- the hold-down device or, if applicable, the support element of the hold-down device can, for example, have a rack and can be displaced in the direction of its longitudinal extension via a pinion provided in a storage device, which engages in the rack and is driven by a motor.
- a high force can be exerted on the long wood particularly easily and effectively via the free end of the hold-down device.
- the free end of the hold-down device can be raised and lowered in that the hold-down device, preferably an elongated support element of the hold-down device, can be changed in length in the direction of the longitudinal extent of the hold-down device.
- the carrier element has telescopically retractable and extendable segments.
- these segments can include at least one outer support and at least one inner support that can be extended and retracted therein.
- Such an embodiment has the advantage that the device does not require any increased space at the top (particularly when the free end of the hold-down device is raised) or can be designed to be more compact, so that long timber can also be split in buildings such as garages, stables, barns or halls can take place.
- embodiments are also possible in which the free end of the hold-down device can be lowered and raised due to a combination of the above embodiments.
- a specific section of the hold-down device can be slidably mounted in a storage device and a further section, which is arranged between the slidably mounted section and the free end, can be variable in length. In such devices, the free end can be raised particularly high or lowered particularly low.
- the connecting device has at least three connecting elements for connecting to the commercial vehicle, so that it can be connected to a commercial vehicle at at least three points.
- connecting devices with more than three, for example four, five or more than five, connecting elements are also possible, but three connecting elements are generally sufficient to be able to establish a stable and/or functional connection of the device according to the invention to a commercial vehicle .
- two of the connecting elements can be connections for or components of pivot connections, through which the connecting device can be pivotally connected to or arranged on the commercial vehicle about a substantially horizontally extending pivot axis.
- the third connecting element can be a connection for or part of a displacement device, such as a hydraulic reciprocating piston, through which the connecting device can be moved at least partially away from the commercial vehicle and towards the commercial vehicle.
- a connecting device enables the entire device to be pivoted about a horizontal axis, so that For example, the splitting pliers on the pliers arm can be lowered and raised.
- connecting devices are also conceivable within the scope of the invention.
- several displacement devices or only one pivot connection e.g. with a horizontally extending shaft
- the pivot connection/s can be arranged at the bottom and the displacement device/s at the top or vice versa.
- At least one support in particular two or more supports, can be arranged on the connecting device, which can be lowered and raised.
- a support or supports can, for example, be lowered during splitting until it stands up on the ground.
- the device or the commercial vehicle carrying the device is supported on the ground when splitting.
- the support(s) can also be extended when gripping or lifting the long timber and/or when parking the device removed from the commercial vehicle in order to support the device.
- the invention also relates to a vehicle for splitting long wood, which is a commercial vehicle with an associated device according to one of the preceding embodiments.
- a tractor but also a truck, a forestry caterpillar, a crane, an excavator, etc. comes into question as a commercial vehicle that can be connected to the device or has the device.
- the device can be detachably or inseparably connected to the commercial vehicle, ie it can also be an integral part of the commercial vehicle.
- the commercial vehicle that can be connected to the device or has the device can also be a trailer.
- the device it is also possible for the device to be used separately from a commercial vehicle, for example set up next to it, ie the connecting device is not connected to the commercial vehicle during splitting (although drives, such as hydraulic drives, of the device are connected to the commercial vehicle via lines during splitting can be connected).
- FIG. 1 is an isometric view of a device according to the invention for splitting long wood
- FIG. 2 shows a side view of the device according to the invention, in which the splitting pliers already engage in a long piece of wood
- Fig. 3 is a side view of the device according to the invention from Fig. 2 during a splitting process
- Fig. 4 is a side view of the device according to the invention from Figs. 2 and 3 at the end of the splitting process.
- Fig. 1 shows a preferred embodiment of the device 1 according to the invention, which is arranged on or connected to a commercial vehicle 2, which is only shown in sections.
- the commercial vehicle 2 is a tractor.
- the device 1 has splitting pliers 4 arranged on a pliers arm 3, which can engage in a long piece of wood H, for example a tree trunk, and split it locally in the engagement area.
- the device 1 further has a connecting device 5 with which the device 1 is mounted on the commercial vehicle 2.
- the pliers arm 3 is essentially rigid and connected to the connecting device 5.
- the splitting pliers 4 is arranged at a distal end of the pliers arm 3, which lies opposite a proximal end of the pliers arm 3, which is connected to the connecting device 5.
- a hold-down device 6 is arranged on the gun arm 3.
- the hold-down device 6 has a longitudinal extension L which is inclined at an acute angle to the vertical.
- the hold-down device 6 has an elongated support element 7, which is arranged or attached to the pliers arm 3 at an acute angle.
- the carrier element 7 essentially consists of an outer carrier 8 in which a telescopically extendable inner carrier 9 is slidably mounted.
- the inner support 9 of the support element 7 (and thus the hold-down device 6) has a free, downwardly projecting end 11.
- an engagement element 12 having several teeth or serrations is arranged.
- the teeth or serrations of the attack element 12 are suitable for attacking the long wood H or engaging in the long wood H.
- the free end 11 of the hold-down device 6 can be raised and lowered by extending the inner support 9 from the outer support 8 in the direction of the longitudinal extension L of the hold-down device 6 or retracting it into the outer support 8.
- the inner support 9 is extended and retracted with the help of a hydraulic, pneumatic or electric drive, which is arranged in or on the outer support 8.
- the free end 11 of the hold-down device 6 projects downwards and away from the commercial vehicle 2 or in the direction of the splitting tongs 4, the free end approaches 11 when lowering the splitting pliers 4 in the horizontal direction.
- the splitting pliers 4 has at least two claws 13, which can be moved towards and away from one another with the aid of a hydraulic, pneumatic or electric drive arranged in or on the splitting pliers 4 or on the pliers arm 3.
- the claws 13 are moved so far towards each other that the long wood H arranged between them in FIG. 1 is locally split in the area in which the splitting pliers 4 attacks or engages.
- the connecting device 5 is connected to the commercial vehicle 2 via connecting elements 14, 15.
- two connecting elements 14 are provided at the same vertical height, next to one another and spaced apart from one another, each for a pivot connection 16.
- the pivot connections 16 have a common, horizontally extending pivot axis A, about which the device 1 on the commercial vehicle 2 can be pivoted.
- the entire device 1 according to the invention is pivotally connected to the commercial vehicle 2 via the connecting device 5, so that the gun arm 3 can be pivoted in a vertical plane.
- a further connecting element 15 is arranged, which is a connection for a displacement device 17.
- the displacement device 17 is a reciprocating piston drive that connects the commercial vehicle 2 to the connecting device 5 and is operated hydraulically, pneumatically or electrically.
- the displacement device 17 By extending the displacement device 17, the upper region of the connecting device 5 is moved away from the commercial vehicle 2, so that the connecting device 5 is pivoted about the pivot axis A and the splitting pliers 4 are lowered on the pliers arm 3. By retracting the displacement device 17, the connecting device 5 pivots in the opposite direction, so that the splitting pliers 4 is raised.
- FIGS. 2 to 4 show the device according to the invention in a side view and at different times during the splitting of the long wood H, which in the case shown is a tree trunk.
- the splitting pliers 4 have already grabbed the long wood H and engages in it. In the area of intervention, i.e. where the claws 13 of the splitting pliers 4 penetrate laterally into the long wood H, the long wood H is split locally.
- Fig. 3 the free end 11 of the hold-down device 6, which is still shown in a raised state in Fig. 2, is lowered and raised the long wood H is brought forward so that it rests against it. More precisely, the attack element 12 of the free end 11 engages or engages with a half of the long wood H arranged below the claws 13.
- Fig. 4 the free end 11 of the hold-down device 6 is shown lowered even further.
- the free end 11 that engages the long wood H By lowering the free end 11 that engages the long wood H, the lower half of the long wood H is pressed downwards, so that the gap that was previously locally limited around the splitting pliers 4 tears open further. If the free end 11 is lowered far enough (and at the same time the splitting tongs 4 can be raised by pivoting the connecting device 5), the gap continues through the entire long log H, so that it is finally split into two parts.
- Embodiments are also conceivable in which the carrier element 7 of the hold-down device 6 is not essentially rigidly connected to the pliers arm 3, but is mounted on it so that it can pivot about a vertical pivot axis.
- a stop bolt 18 can project away from the inner support 9 of the hold-down device 6 to at least one side, as shown in FIGS. 1 to 4. This stop bolt 18 rests in a stop notch 19 formed on the outer support 8 when the inner support 9 is not extended, as shown in FIGS. 1 and 2.
- the connecting device 5 can have a support 20 or, as in the illustrated embodiment, several supports 20.
- This support/s 20 can be lowered during the splitting (or before) so that the device 1 or the commercial vehicle 2 carrying the device 1 is supported on the ground when splitting or lifting the long timber H.
- the drive(s), not shown in detail, for the splitting tongs 4 and/or the hold-down device 6 can/can be connected via lines (e.g. control lines, power lines, pneumatic lines, hydraulic lines, etc.) not shown, in particular be connected to the device 1 or the commercial vehicle 2, power supply unit, control unit, compressor, etc.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23735032.7A EP4551371A1 (de) | 2022-07-05 | 2023-06-26 | Vorrichtung zum spalten von langholz |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50490/2022A AT525887B1 (de) | 2022-07-05 | 2022-07-05 | Vorrichtung zum Spalten von Langholz |
| ATA50490/2022 | 2022-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024008497A1 true WO2024008497A1 (de) | 2024-01-11 |
Family
ID=87003150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2023/067265 Ceased WO2024008497A1 (de) | 2022-07-05 | 2023-06-26 | Vorrichtung zum spalten von langholz |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4551371A1 (de) |
| AT (1) | AT525887B1 (de) |
| WO (1) | WO2024008497A1 (de) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006031128A1 (de) | 2005-08-03 | 2007-04-26 | Gerald Steininger | Vorrichtung und Verfahren zum Spalten von Langholz, sowie Zugfahrzeug |
| EP1852013A1 (de) | 2006-05-04 | 2007-11-07 | LASCO Heutechnik GmbH | Rückevorrichtung zum Bewegen von Baumstämmen |
| AT504125A4 (de) | 2006-11-30 | 2008-03-15 | Auer Landmaschb Ges M B H | Spaltzange |
| DE202011050774U1 (de) | 2010-07-22 | 2011-09-30 | Stegemann Maschinenbau Gmbh & Co. Kg | Spalt-Greif-Zange |
| AT521817A1 (de) | 2018-10-17 | 2020-05-15 | Werner Steininger | Vorrichtung zum Spalten von Langholz |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5320149A (en) * | 1993-02-12 | 1994-06-14 | Peterson Pacific Corp. | Boom mounted log splitter |
| FI20031051A0 (fi) * | 2003-05-05 | 2003-07-10 | Markku Jaervinen | Kantopoimuri, sen käyttö, menetelmä kantojen poimimiseksi ja menetelmä sienitaudin kuten juurikäävän ehkäisemiseksi |
| AT501125B1 (de) * | 2004-12-06 | 2007-04-15 | Stummer Guenter | Holzzange mit spaltvorrichtung |
| DE102005058085B4 (de) * | 2004-12-06 | 2010-03-11 | Stummer, Günter | Holzzange mit Spaltvorrichtung |
-
2022
- 2022-07-05 AT ATA50490/2022A patent/AT525887B1/de active
-
2023
- 2023-06-26 EP EP23735032.7A patent/EP4551371A1/de active Pending
- 2023-06-26 WO PCT/EP2023/067265 patent/WO2024008497A1/de not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006031128A1 (de) | 2005-08-03 | 2007-04-26 | Gerald Steininger | Vorrichtung und Verfahren zum Spalten von Langholz, sowie Zugfahrzeug |
| EP1852013A1 (de) | 2006-05-04 | 2007-11-07 | LASCO Heutechnik GmbH | Rückevorrichtung zum Bewegen von Baumstämmen |
| AT504125A4 (de) | 2006-11-30 | 2008-03-15 | Auer Landmaschb Ges M B H | Spaltzange |
| DE102007055326A1 (de) * | 2006-11-30 | 2008-06-05 | Auer Landmaschinenbau Gesellschaft M.B.H. | Spalterzange für Holz |
| DE202011050774U1 (de) | 2010-07-22 | 2011-09-30 | Stegemann Maschinenbau Gmbh & Co. Kg | Spalt-Greif-Zange |
| AT521817A1 (de) | 2018-10-17 | 2020-05-15 | Werner Steininger | Vorrichtung zum Spalten von Langholz |
Also Published As
| Publication number | Publication date |
|---|---|
| AT525887A4 (de) | 2023-09-15 |
| AT525887B1 (de) | 2023-09-15 |
| EP4551371A1 (de) | 2025-05-14 |
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