EP0830925A1 - Holzspaltvorrichtung - Google Patents
Holzspaltvorrichtung Download PDFInfo
- Publication number
- EP0830925A1 EP0830925A1 EP97116636A EP97116636A EP0830925A1 EP 0830925 A1 EP0830925 A1 EP 0830925A1 EP 97116636 A EP97116636 A EP 97116636A EP 97116636 A EP97116636 A EP 97116636A EP 0830925 A1 EP0830925 A1 EP 0830925A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stop
- cone
- drive unit
- splitting
- clutch
- 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
Links
Images
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
- B27L7/02—Arrangements for splitting wood using rotating members, e.g. rotating screws
- B27L7/04—Conical screws
Definitions
- the invention relates to a device for splitting Wood according to the preamble of claim 1, in particular a portable log splitter.
- Logs are usually used to provide firewood sawn into pieces and then split. Preferably be used for splitting portable log splitters that without additional aids such.
- B. a power connector or Get along as a transport and drive machine.
- the portable log splitter can e.g. B. in a car in the forest be taken along and is easier to handle than heavy ones Masterpieces that may also only become one Log splitter coupled to a tractor must be promoted.
- Such portable wood splitters are from the DE 34 25 439 A1 and EP 0 134 802 B1 are known. There is on a combustion or electric motor via a transmission Split cone applied. The splitting cone bores during operation a stem piece and splits it. To the Log splitter a stop is attached so that it is a Turning with the splitting cone and putting on the Prevents split cone tip on the surface. In the EP 0 134 802 B1, the stop is like a splitting knife trained so that it supports the splitting process. The blade-like training, however, has an additional one Risk of injury in itself.
- splitting cone can with these easily jam devices in the log and jam them. in the In the event of jamming, an enormous amount of force is required Operating personnel required to loosen the split cone again.
- split cones Special configurations of the split cone are in z. B. the Utility models DE 80 25 076 U1 and DE 81 18 797 U1 described. These show split cones in which only a part of the Cone tip is rotatably mounted. The mechanics of this split cone is intended to reduce the risk of jamming and prevent Lateral forces are transferred to the motor shaft. The danger of However, jamming cannot occur even with these split cones be excluded. All of these devices are concerned are not particularly energy-saving, powerful and tools that can be used without any problems.
- the invention has for its object a To propose wood splitting device that is easy to handle and ensures a high level of operating safety.
- the proposed stop thus advantageously serves as Protective device against the rotating split cone and at the same time as a counter-stop or anti-rotation device when splitting.
- the pivotable articulation of the stop will also jam largely avoided between the gap cone and the stop, especially with a limited resilience of the attack, especially with a gas or Spring shock absorber. This makes a problem-free, tension-free penetration of the gap cone is achieved without the Operator would have to apply excessive forces.
- Fig. 1 has a portable splitting device an engine block and an associated clutch and Gear block 2 as a drive unit 1 for it attached gap cone 3.
- a downwardly extending stop linkage 4 pivotally hinged.
- the motor is preferably a conventional one Internal combustion engine in lightweight construction. Protrudes from the engine block A handle of a cable starter 5 in the area of one end face out. There are preferably two on the circumference of the drive unit 1 Strap handles 6 attached.
- the bow handles 6 can Adaptation to the respective body size of the operator be height adjustable. For this they are e.g. B. also unscrewable and / or by turning through 180 ° or over one another or bores lying one below the other are height adjustable on the Drive unit 1 attached.
- the main controls such as a clutch handle 7 to operate the clutch or a throttle 8 to control the Motor power of the drive unit 1 arranged.
- the housing is on the lower end of the engine block of the clutch and transmission block 2 flanged.
- Clutch and gear block 2 is a centrifugal or a Snap coupling provided.
- the different ways of working the centrifugal or snap-in clutch allow changing the How the log splitter works.
- the centrifugal clutch prevents the drive motor from "stalling" and makes one unnecessary additional lever operation of the clutch handle 7 during the Splitting process.
- a friction clutch can be under Utilization of the drive swing of the engine in the high Move the gap cone 3 further. It can a combined clutch can also be provided, both connects the aforementioned types of coupling.
- an intermediate tube 9 attached on the clutch and transmission block 2 is on the engine block opposite side an intermediate tube 9 attached.
- the Fastening takes place via screw connections 10.
- Through the Intermediate tube 9 leads from the gearbox to a drive shaft 11 through, as can also be seen from FIG. 3.
- a drive shaft 11 At that Front side facing away from the gearbox is by means of a dowel pin and / or a feather key or a wedge connection 12 a Inserted socket 13 through which the connection between the Drive shaft 11 and a split cone drive pin 14 with a spline 16 can be produced.
- drive shaft 11 can also be made in one piece with gap cone 3 lead, especially if to reduce weight on the Intermediate tube 9 is dispensed with.
- the intermediate tube 9 can, as in Fig. 2 indicated by dashed lines, also a smaller diameter have and as winding protection the drive shaft 11 closely enclose.
- the intermediate tube 9 is on the lower end face the intermediate tube 9 here is a fixed, conical Truncated cone 15 attached.
- the intermediate tube 9 and the truncated cone 15 can also be formed in one piece.
- the hollow trained truncated cone 15 is with its upper end the large diameter attached to the intermediate tube 9, for. B. screwed on.
- a split cone drive pin leads through the truncated cone 15 14.
- For storing the split taper drive pin 14 are two roller bearings on the inner wall of the truncated cone 15 17 arranged. These are here through a spacer sleeve 18 spaced from each other. The spacer sleeve 18 is, however Installation of a double tapered roller bearing is not required.
- the gap cone 3 rotating during operation is preferred formed in two parts.
- the upper part consists of one piece the split cone drive pin 14 and the upper split cone part 23, whose diameter in the transition area to the split taper drive pin 14 is larger than this.
- the splitting cone drive pin 14 is so long that the upper Split cone part 23 through a narrow free space 24 from lower end of the stationary truncated cone 15 is spaced.
- the ejection device In this free space 24, as shown in FIG Transition point between the driven split cone part 23 and the fixed truncated cone 15 an ejection device trained to dirt penetrating into the transition area and to transport wood chips to the outside.
- the ejection device consists of ejection elevations 26 on the movable, to the axis perpendicular surface 25 of the upper split cone 23. Die Ejection elevations 26 are tangential or radially outward running or additionally designed as a labyrinth seal. The rotating movement removes dirt ejected.
- the lower part of the gap cone 3 preferably consists of a Split cone tip 27 and a socket pin 28.
- the lower The end face of the upper split cone part 23 is flattened and has an axial bore for receiving the plug pin 28.
- the plug pin 28 is in this bore via a cone screw 29 through the circumference of the upper split cone part 23 is screwed, rotatably fixed to the upper split cone part 23.
- the upper split cone part 23 and Split cone tip 27 close together, so that a continuous Tapered surface is formed.
- Outer groove 30 is formed helically, which is dimensioned so that they themselves or the gap cone 3 during operation of the Wood splitter screwed into a tree trunk and this is so split.
- the splitting cone 3 thus advantageously offers one if required great ease of repair, easy game setting the rolling bearing 17 and high stability against bending through lateral forces with cost-effective production.
- This Stop linkage 4 preferably consists of an approximately vertical running arm or frame with a dash-dotted line shown spar 40 'or two side by side Tubes 40, which are mutually multiple by intermediate struts 41st are connected.
- Spar 40 'or two side by side Tubes 40 which are mutually multiple by intermediate struts 41st are connected.
- At the upper end at which the pipes 40 and the Spar 40 'via a hinge pin 42 on the drive unit 1 or whose coupling and gear block 2 are articulated their distance from each other is narrower than at the lower end.
- the lower The end protrudes when the stop linkage 4 is parallel to the splitting cone 3 is set down over the tip of the gap cone 3 out.
- a rotatable roller 50 attached so that it acts as a stand and can also be used as a transport frame. In addition, at an establishment in this position a belching of the Splitting cone tip 27 prevented on the ground.
- the Stop linkage 4 is also shown in FIG. 2 by a Stabilizer linkage 40a reinforced. As dashed in Fig. 1 indicated, the stop linkage 4 can also be one-leg with the Be formed outer shape of a spade, the lower Area to cover the gap cone 3 is widened.
- a shock absorber 47 arranged in this area. If the stop linkage 4 from the position next to the Swivel cone axis swung away, so the shock absorber 47 locks with a pivoting movement beyond approximately 90 °, the linkage 4 in this horizontal position. For the operating staff thus an effective lever is available if the Gap cone 3 eats in the wood, since the linkage 4 is then still Lever extension for unscrewing the blocked split cone 3 is usable.
- This configuration of the tubes 40 or the spar 40 'means that Stop linkage 4 as a counter-stop or anti-rotation lock use.
- the stop 4 is arranged so that its Flat side when lowering the log splitter during the splitting process z. B. on the end face or section of the Stems at least partially and with down slides.
- the arrangement of the roller 50 at the end facilitates this of the stop linkage 4 sliding on the end face of the Tribal.
- the tensioning device 45, 46 or shock absorber 47 comes it doesn't cause unnecessary tension between the Stop linkage 4 and the splitting cone serving to prevent rotation 3, since these components according to the arrow x against each other are resilient to a limited extent or can be pivoted. Can too the cone tip 27, as described above, not on the Bump underground, as the linkage or the stop 4 as Depth stop serves.
- the stop linkage 4 serves in its multiple function also as a protective shield for the operator against Leg and foot injuries.
- fenders or a sliding plate 52 between the tubes 40 or on the spar 40 'are attached can also vertically movable and spring-loaded be, e.g. B. by a telescopic guide of the spar 40 ', in the a compression spring is inserted. This will put the implement in Floating position held over the wooden block.
- Stop linkage 4 as an operating aid when attaching the Splitting process.
- the wide slide plate 52 protects the Operator from injuries and the log splitter Damage.
- the slide plate 52 can also be circular be trained and wear a rubber border so that they the Function of the rollers 50 as a transport aid and a side Shock protection function against the operator takes over.
- the stop linkage 4 with the roller 50 or Slide plate 52 when held obliquely on the stop linkage 4 supported wood splitting device 1, 2, 3 to facilitate it Transport.
- the Log splitter with the stop linkage 4 in one upright position tilted, raised and onto the trunk put on the roller 50 or slide plate 52 in front of the Face or cut surface of the trunk piece is set.
- the splitting cone 3 While the splitting cone 3 is screwing into the trunk, it drives the roller 50 with subsequent sliding plate 52 on the Trunk cut area down. It gives a safe one Support and also serves as a floor stop.
- Trigger device 51 in the direction of the linkage 4 out.
- the Trigger device 51 in the form of a bolt or a switch activates a ratchet that can be moved back and forth of the linkage 4 pivoted approximately parallel to the axis Backward rotation of the tensioned gap cone 3 allows.
- the powertrain is automatically through the Centrifugal clutch interrupted.
- the log splitter is preferably lightweight Materials such as B. aluminum tubes, for the spar 40 'or the Tubes 40 made to avoid unnecessary weight.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Scissors And Nippers (AREA)
- Eye Examination Apparatus (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Electrophonic Musical Instruments (AREA)
- Holo Graphy (AREA)
- Steroid Compounds (AREA)
Abstract
Description
- Fig. 1
- eine Seitenansicht einer tragbaren Spaltvorrichtung;
- Fig. 2
- einen Ausschnitt der Spaltvorrichtung in um 90° gedrehter Seitenansicht;
- Fig. 3
- einen Teilschnitt durch einen Spaltkegel; und
- Fig. 4
- eine Draufsicht auf eine Labyrinthdichtung im Schnitt gemäß der in Fig. 3 eingezeichneten Schnittlinie.
Claims (10)
- Vorrichtung zum Spalten von Holz mit einer Antriebseinheit (1), bestehend aus einem Motor und einem Kupplungs- und Getriebeblock (2), und einem Spaltkegel (3), der über den Kupplungs- und Getriebeblock (2) an die Antriebseinheit (1) angekuppelt ist, sowie einem Anschlag (4),
dadurch gekennzeichnet, daß
der Anschlag (4) am Gehäuse der Antriebseinheit (1) schwenkbar (Pfeil x) angelenkt ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß
der Anschlag (4) mittels einer Spanneinrichtung (45, 46) am Gehäuse der Antriebseinheit (1) in verschiedenen Schwenkstellungen, insbesondere horizontal festlegbar ist. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
der Anschlag (4) aus einem Rohr-Gestänge bzw. Holm (40, 40') gebildet ist, das/der von einem Schwenkgelenk (42) ausgehend etwa parallel zur Drehachse des Spaltkegels (3) und zum freien Ende hin etwa parallel zum Umfang des Spaltkegels (3) verläuft. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
der Anschlag (4) als Schutzeinrichtung ausgebildet ist, wobei am unteren Ende eine verbreiterte Gleitplatte (52) angeordnet sind. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
am freien Ende des Anschlags (4) eine drehbare Rolle (50) oder Gummiumrandung befestigt ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
zur Drehblockierung des Spaltkegels (3) beim Wegschwenken des Anschlags (4), insbesondere um 90°, eine Auslöseeinrichtung (51) vorgesehen ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
in dem Kupplungs- und Getriebeblock (2) eine drehbare Antriebswelle (11), die an ihrem zum Spaltkegel (3) hin herausragenden Ende mit einer Kupplungssteckmuffe (13) versehen ist, angeordnet ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
an der Antriebseinheit (1) Bedienungshebel (7, 8) an Haltegriffen (6), vorzugsweise Bügelhaltegriffen angeordnet sind, wobei die Haltegriffe (6) verstellbar sind, insbesondere abschraubbar, um 180° wendbar, oder in mehrere übereinander bzw. untereinander liegende Bohrungen höhenverstellbar einsetzbar sind. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
zur Kraftübertragung der Antriebseinheit (1) durch eine Fliehkraft- oder Schaltkupplung ein Untersetzungsgetriebe, insbesondere mit einem Rückwärtsgang vorgesehen ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
zur Abfederung und/oder Arretierung des Anschlages (4) ein Stoßdämpfer (47), insbesondere über der Gleitplatte (52) eine in Höhenrichtung gefederte Teleskopführung vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29616566U | 1996-09-24 | ||
DE29616566U DE29616566U1 (de) | 1996-09-24 | 1996-09-24 | Holzspaltvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0830925A1 true EP0830925A1 (de) | 1998-03-25 |
EP0830925B1 EP0830925B1 (de) | 2002-12-11 |
Family
ID=8029615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97116636A Expired - Lifetime EP0830925B1 (de) | 1996-09-24 | 1997-09-24 | Holzspaltvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0830925B1 (de) |
AT (1) | ATE229411T1 (de) |
DE (2) | DE29616566U1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005058085B4 (de) * | 2004-12-06 | 2010-03-11 | Stummer, Günter | Holzzange mit Spaltvorrichtung |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009039053B3 (de) * | 2009-08-28 | 2011-02-17 | Pflückhahn, Christoph | Vorrichtung zum Spalten von Holz |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3407856A (en) * | 1965-12-15 | 1968-10-29 | Lloyd I. Ritchie | Blank-splitting device |
DE2652941A1 (de) * | 1976-03-22 | 1978-05-24 | Posch Ferdinand | Geraet zum spalten von holz |
FR2524371A1 (fr) * | 1982-04-06 | 1983-10-07 | Pigier Maurice | Outil pneumatique portatif utilise pour fendre le bois |
DE3512793A1 (de) * | 1985-04-10 | 1986-10-30 | Maschinen GmbH Otto Hölz, 7988 Wangen | Brennholzsaege mit spalteinrichtung |
-
1996
- 1996-09-24 DE DE29616566U patent/DE29616566U1/de not_active Expired - Lifetime
-
1997
- 1997-09-24 DE DE59708930T patent/DE59708930D1/de not_active Expired - Lifetime
- 1997-09-24 AT AT97116636T patent/ATE229411T1/de not_active IP Right Cessation
- 1997-09-24 EP EP97116636A patent/EP0830925B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3407856A (en) * | 1965-12-15 | 1968-10-29 | Lloyd I. Ritchie | Blank-splitting device |
DE2652941A1 (de) * | 1976-03-22 | 1978-05-24 | Posch Ferdinand | Geraet zum spalten von holz |
FR2524371A1 (fr) * | 1982-04-06 | 1983-10-07 | Pigier Maurice | Outil pneumatique portatif utilise pour fendre le bois |
DE3512793A1 (de) * | 1985-04-10 | 1986-10-30 | Maschinen GmbH Otto Hölz, 7988 Wangen | Brennholzsaege mit spalteinrichtung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005058085B4 (de) * | 2004-12-06 | 2010-03-11 | Stummer, Günter | Holzzange mit Spaltvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
ATE229411T1 (de) | 2002-12-15 |
DE59708930D1 (de) | 2003-01-23 |
DE29616566U1 (de) | 1996-12-19 |
EP0830925B1 (de) | 2002-12-11 |
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