WO1992000238A1 - Dispositif de retenue pour outil, notamment une moissonneuse - Google Patents

Dispositif de retenue pour outil, notamment une moissonneuse Download PDF

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Publication number
WO1992000238A1
WO1992000238A1 PCT/DE1991/000546 DE9100546W WO9200238A1 WO 1992000238 A1 WO1992000238 A1 WO 1992000238A1 DE 9100546 W DE9100546 W DE 9100546W WO 9200238 A1 WO9200238 A1 WO 9200238A1
Authority
WO
WIPO (PCT)
Prior art keywords
holding device
pendulum
pendulum axis
axis
boom
Prior art date
Application number
PCT/DE1991/000546
Other languages
German (de)
English (en)
Inventor
Hans Wahlers
Original Assignee
Hans Wahlers
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hans Wahlers filed Critical Hans Wahlers
Publication of WO1992000238A1 publication Critical patent/WO1992000238A1/fr
Priority to FI920919A priority Critical patent/FI920919A0/fi
Priority to SE9200599A priority patent/SE9200599L/xx

Links

Classifications

    • 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
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/083—Feller-delimbers
    • 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
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/005—Grab supports, e.g. articulations; Oscillation dampers; Orientation

Definitions

  • Holding device for an implement in particular
  • the invention relates to an essentially gimbal-type holding device for a suspension or the like, which is essentially forcibly in the working position, in particular on the free end section of a crane arm
  • Working device in particular a so-called harvester, that is a device for delimbing and peeling felled trees, with a first horizontal pendulum axis, or the like at its axis ends - usually with the interposition of dishes - on the boom. is to be held or stored, and on the free middle (axle) section of a downwardly directed pendulum bush is pivotally mounted, on the bifurcated lower section of a right angle second horizontal axis running to the first pendulum axis
  • Pendulum axle is mounted with its axle ends, whereby on
  • free middle (axis) section an eye to be connected to the implement or the like. is mounted, and wherein the second pendulum axis facing the implement a
  • Brake device is assigned, by means of which a
  • harvester units are used in wood preparation, by means of which the felled trees are delimbed and / or removed from their bark
  • harvester heads are usually mounted on a boom of a mobile device, i.a. suspended from a crane arm so that it can be held and guided freely during woodworking. It has been shown, however, that with a freely swinging suspension of a harvester head, there can be considerable wood losses if there are significant swinging movements during woodworking, because the processing tools of the relevant harvester head can penetrate too deeply into the timber. Press the bark into the timber so that it can no longer be used for high quality paper etc.
  • a braking device damping pendulum vibrations is assigned to the (second) pendulum axis adjacent to the implement in order to
  • the object of the present invention is to avoid the above-mentioned disadvantages as completely as possible, or at least largely, in the case of a holding device of the type described at the outset, and to create such a holding device which, as far as possible, fits into the free end section of a cantilever arm (for example a Crane tip) is to be integrated, the holding device according to the invention should be particularly suitable for smaller harvester units, but it is also evident that it can also be used for other appropriately suspended implements.
  • a (second) braking device is also assigned to the first pendulum axis, by means of which a swinging of the implement in the longitudinal direction of the boom about the first pendulum axis can be braked or damped.
  • the braking force of the second braking device is preferably adjustable so that, on the one hand, it is possible to implement the apparently required forced guidance of the implement as effortlessly as possible, but on the other hand, the braking force of the second braking device can also be set (strongly) so that pendulum of the implement in the longitudinal direction of the boom practically does not take place or, if necessary, is strongly damped or braked.
  • a brake disc is arranged on both end faces of the pendulum bushing, which abuts an abutment on its other side, the abutment of one
  • Brake disc can be part of the boom (e.g. a flange of a crane tip), or between the
  • Pressure piece can be arranged as a (brake) abutment.
  • the adjacent brake disc preferably interacts with a (second) thrust piece which is arranged to be axially movable and by means of its spring arrangement on the second brake disc
  • Fig. 1 is a somewhat schematic view of a
  • Fig. 2 is a somewhat simplified perspective
  • FIG. 3 shows a side view according to arrow III in FIG. 1
  • the drawing shows a holding device, designated as a whole by 1, for a working device 3 which is essentially forced to hang freely on a boom 2 in the working position and which is a relatively small harvester unit, of which only an upper section can be seen in the drawing.
  • the jib 2 is the tip of a crane.
  • the holding device 1 has a first horizontal pendulum axis 4, which is supported with its axis ends 5 on the boom 2.
  • a downwardly directed pendulum bushing 6 is pivotally mounted, on the forked lower section 7 of which a second horizontal pendulum axis 8, which runs at a right angle to the first pendulum axis 4, is supported with its axis ends, the middle section of the second pendulum axis 8 an eye 9 to be connected to the implement 3 is mounted.
  • the second pendulum axis 8 is assigned a (first) braking device 10, by means of which a swinging of the implement 3 around the second pendulum axis 8 and thus across the boom 2 is braked or damped.
  • This (first) braking device 10 assigned to the second pendulum axis 8 has two external brake disks 11, each of which cooperate with an abutment plate 12, the
  • one abutment plate 12 is held on the section 7 and the other abutment plate is held on a rotator 13 arranged between the holding device 1 and the implement 3, which ensures that the implement 3 can rotate about a vertical axis 14.
  • the first horizontal oscillating axis 4 is also assigned a (second) braking device, by means of which an oscillation of the implement 3 in the longitudinal direction of the boom and thus about the first oscillating axis 4 is braked or is damped, the braking force of the second braking device being adjustable, as will be described in detail.
  • a first brake disk 16 is arranged on one (first) end face 15 of the pendulum bushing 6, the one on the first end face 15 of the pendulum bushing 6
  • a second brake disc 20 On the other (second) end face 19 of the pendulum bushing 6 there is a second brake disc 20, which cooperates with its other (second) side 21 with a second pressure piece 22 which is arranged to be axially movable and is to be pressed against the second brake disc 20 by means of two plate springs 23 .
  • the plate springs 23 are seated on an end section of the first pendulum axis 4, the end section 5 ′ equipped with the plate springs 23 being provided with an external thread and on the threaded section 5 ′ of the first pendulum axis 4 an adjusting nut 24 for adjusting the to the second
  • Pressure piece 22 is arranged effective spring force.
  • the holding device 1 Due to the rotator 13 - not only can rotate about the vertical axis 14, but can also be freely moved about both horizontal pedel axes 4 and 8 running at right angles to one another, the holding device 1 according to the invention practically no longer occurs in both directions perpendicular to one another a harmful pendulum vibration, so that the wood losses described above can thus be avoided and, in addition, considerably easier work for the operators is ensured because they can adjust the damping or braking effect in such a way that on the one hand harmful pendulum vibrations are practically closed, but on the other hand a largely effortless free mobility of the implement 3 in woodworking is possible.
  • the holding device 1 according to the invention can be seen at least for the most part in a crane tip or the like. can be integrated, it requires little (additional) overall height and, moreover, also permits, in particular, highly advantageous use in smaller harvester units in which the disadvantages mentioned above have so far been particularly noticeable.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Braking Arrangements (AREA)
  • Harvester Elements (AREA)

Abstract

Un dispositif de retenue pour un outil à suspendre sur un bras (2), notamment une moissonneuse, comprend un premier axe horizontal freiné à balancement (4) et un deuxième axe horizontal freiné à balancement (8) perpendiculaire au premier axe à balancement.
PCT/DE1991/000546 1990-07-02 1991-07-02 Dispositif de retenue pour outil, notamment une moissonneuse WO1992000238A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI920919A FI920919A0 (fi) 1990-07-02 1992-02-28 Uppbaerningsanordning foer ett arbetsredskap, saerskilt ett traedfaellningsaggregat.
SE9200599A SE9200599L (sv) 1990-07-02 1992-02-28 Hållaranordning för ett arbetsredskap, speciellt skördemaskin

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9010006 1990-07-02
DEG9010006.9U 1990-07-02
DE9015088U DE9015088U1 (de) 1990-07-02 1990-11-01 Haltevorrichtung für ein Arbeitsgerät, insbesondere einen Harvester
DEG9015088.0U 1990-11-01

Publications (1)

Publication Number Publication Date
WO1992000238A1 true WO1992000238A1 (fr) 1992-01-09

Family

ID=25956863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1991/000546 WO1992000238A1 (fr) 1990-07-02 1991-07-02 Dispositif de retenue pour outil, notamment une moissonneuse

Country Status (4)

Country Link
DE (2) DE9015088U1 (fr)
FI (1) FI920919A0 (fr)
SE (1) SE9200599L (fr)
WO (1) WO1992000238A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9500343A (nl) * 1995-02-22 1996-10-01 Haan Nederland Beheer B V De Inrichting voor het aangrijpen van voorwerpen en het over een horizontale as doen roteren van de aangegrepen voorwerpen.
US20110081193A1 (en) * 2008-06-08 2011-04-07 Lars Gunnar Nilsson Method and arrangement related to a swing damper

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9101939A (nl) * 1991-11-20 1993-06-16 Meino Jan Van Der Woude Hydraulische robot-spuitlans.
NL1034520C2 (nl) * 2007-10-16 2009-04-20 Franciscus Adrianus Raaijmakers Inrichting voor het rooien of vellen van bomen.
NL2025623B1 (en) * 2020-05-19 2021-12-07 Gierkink Exploitatie B V Linking device for rotatably coupling working equipment to a crane on a working machine

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592503A (en) * 1969-04-09 1971-07-13 Beloit Corp Swivel-mounted grapple apparatus with damping action
FR2211571A1 (fr) * 1972-12-22 1974-07-19 Rheinstahl Ag Hanomag Baumasch
DE2811660A1 (de) * 1977-03-18 1978-09-21 Jan Eriksson Vorrichtung zum faellen, entasten und ablaengen von baeumen
WO1982001864A1 (fr) * 1980-12-04 1982-06-10 Muntjanoff John R Suspenseur entierement pivotant amorti pour un grappin
US4417759A (en) * 1981-09-08 1983-11-29 Deere & Company Grapple pivot joint with swing dampener
US4573728A (en) * 1984-07-19 1986-03-04 Timberjack Inc. Snubbing apparatus for grapples and the like
US4679839A (en) * 1986-05-07 1987-07-14 Damron Tony R Grapple snubber
US4717191A (en) * 1986-08-27 1988-01-05 Esco Corporation Swivel head for grapple
DE3703901A1 (de) * 1987-02-09 1988-08-18 Kinshofer Greiftechnik Pendelbremse fuer greifer, traggabeln o. dgl.
US4810020A (en) * 1988-03-07 1989-03-07 Esco Corporation Hydraulic snubber for grapple and method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592503A (en) * 1969-04-09 1971-07-13 Beloit Corp Swivel-mounted grapple apparatus with damping action
FR2211571A1 (fr) * 1972-12-22 1974-07-19 Rheinstahl Ag Hanomag Baumasch
DE2811660A1 (de) * 1977-03-18 1978-09-21 Jan Eriksson Vorrichtung zum faellen, entasten und ablaengen von baeumen
WO1982001864A1 (fr) * 1980-12-04 1982-06-10 Muntjanoff John R Suspenseur entierement pivotant amorti pour un grappin
US4417759A (en) * 1981-09-08 1983-11-29 Deere & Company Grapple pivot joint with swing dampener
US4573728A (en) * 1984-07-19 1986-03-04 Timberjack Inc. Snubbing apparatus for grapples and the like
US4679839A (en) * 1986-05-07 1987-07-14 Damron Tony R Grapple snubber
US4717191A (en) * 1986-08-27 1988-01-05 Esco Corporation Swivel head for grapple
DE3703901A1 (de) * 1987-02-09 1988-08-18 Kinshofer Greiftechnik Pendelbremse fuer greifer, traggabeln o. dgl.
US4810020A (en) * 1988-03-07 1989-03-07 Esco Corporation Hydraulic snubber for grapple and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9500343A (nl) * 1995-02-22 1996-10-01 Haan Nederland Beheer B V De Inrichting voor het aangrijpen van voorwerpen en het over een horizontale as doen roteren van de aangegrepen voorwerpen.
US20110081193A1 (en) * 2008-06-08 2011-04-07 Lars Gunnar Nilsson Method and arrangement related to a swing damper

Also Published As

Publication number Publication date
DE4191494D2 (en) 1992-08-27
SE9200599D0 (sv) 1992-02-28
DE4191494T (fr) 1992-08-27
FI920919A0 (fi) 1992-02-28
SE9200599L (sv) 1993-08-29
DE9015088U1 (de) 1991-02-07

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