EP0960982A2 - Kabinenanordnung - Google Patents

Kabinenanordnung Download PDF

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Publication number
EP0960982A2
EP0960982A2 EP99660094A EP99660094A EP0960982A2 EP 0960982 A2 EP0960982 A2 EP 0960982A2 EP 99660094 A EP99660094 A EP 99660094A EP 99660094 A EP99660094 A EP 99660094A EP 0960982 A2 EP0960982 A2 EP 0960982A2
Authority
EP
European Patent Office
Prior art keywords
boom
cab
link
knuckle boom
trapezoidal knuckle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99660094A
Other languages
English (en)
French (fr)
Other versions
EP0960982B1 (de
EP0960982A3 (de
Inventor
Anssi Ensio Kareinen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MANTSINEN OY
Original Assignee
Koneurakointi Mantsinen Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8551844&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0960982(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koneurakointi Mantsinen Oy filed Critical Koneurakointi Mantsinen Oy
Publication of EP0960982A2 publication Critical patent/EP0960982A2/de
Publication of EP0960982A3 publication Critical patent/EP0960982A3/de
Application granted granted Critical
Publication of EP0960982B1 publication Critical patent/EP0960982B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
    • B66C13/54—Operator's stands or cabins

Definitions

  • the invention relates to an arrangement for adapting a working machine steering cab in a movable manner, in relation said working machine, at the end of a boom arm, said working machine and, correspondingly, said steering cab having, respectively, two link joints spaced apart from each other, said boom arm extending from at least one of said link joints, the direction of said boom arm being adjustable by means of a power means.
  • the invention also relates to a method for extending the range of the path of a working machine steering cab, wherein the altitude of the cab can be adjusted, said cab being arranged in such a manner at one end of a trapezoidal knuckle boom attached to said working machine that the shape of the trapezoidal knuckle boom can be varied by means of a power means.
  • the cab In conventional working machines such as cranes, excavators or the like the cab is usually arranged at the machine in such a manner that the driver, while staying in the cab, is able to watch the function of the machine, If the machine comprises a body which can be turned in relation to the earth the steering cab is usually arranged to said body in such a manner that the cab will turn along with the body. For the driver there is sometimes even arranged a separate steering seat which is located nearer the place of work or higher up so that the driver will have a better sight over the place of work.
  • EP-publication No. 0 102 123 discloses a harbor crane where the cab can be driven diagonally outwards-upwards along the crane boom.
  • Finnish patent No. 71538 discloses a crane cab arrangement where the cab is arranged at the end of a telescopic boom.
  • Digger and crane arrangements are also known wherein the machine's cab is arranged at the end of a trapezoidal boom in such a manner that the cab can be elevated upwards from the level of the machine body.
  • a solution is also known wherein such a trapezoidal boom is arranged at the end of an arm which is turnable in relation to the body in such a manner that the attachment point for said arm can be moved slightly forwards by means of a somewhat complicated guiding arrangement.
  • the crane cab could be driven to such a position where the driver would have a direct and as good a view as possible over the whole deck of the ship's hold, as this would render the use of a guiding man or a camera control superfluous.
  • cab designs known until today this would, however, be technically extremely difficult to arrange and, in practice, usually impossible.
  • the object of the present invention is to provide a simple solution to this problem and even so that the invention can be utilized also as a retrofitting for already existing cab arrangements.
  • the arrangement according to the invention can be applied, besides for actual material handlings equipment such as harbor cranes, wood handling devices, excavators and the like, also for other such working machinery where a temporary and guidable disposition of the driver/cab at a greater distance from the working machine would be favorable.
  • the arrangement according to the invention is characterized in that the boom arm for the cab is constituted of several successive trapezoidal knuckle boom portions having the shape of a parallelogram, between which boom portions there is, respectively, an interconnecting piece comprising at least three spaced boom link joints, a power means acting within each of said trapezoidal knuckle boom portions for changing the geometry of the corresponding boom portion i.e. to turn said booms with respect to their link joints,
  • the arrangement comprises at least two such parallelogram shaped knuckle trapezes, but in certain embodiments their number can also be higher.
  • the method according to the invention is characterized by attaching at least one further parallelogram shaped trapezoidal knuckle boom arrangement, utilizing an interconnecting piece, between the inner end of a trapezoidal knuckle boom and the working machine, said further boom arrangement being separately movable by means of a second power means.
  • the cab can be moved both a long way forwards from the body of the working machine and also even downwards under the basic level of the body, which especially in connection with ships gives the best possible visibility.
  • the arrangement also makes it possible for the driver to enter the cab directly from the ground level.
  • the cab arrangement according to the invention is attached, in a manner according to prior art, to the turnable body of the machine, thus moving along with the movement of the machine's actual boom, i.e. the boom of the crane or excavator.
  • the total weight of the cab is low in relation to the actual work load, so there will rise no essential balancing problems even in the case where the cab is driven rather far out from the machine body.
  • a separate counter weight is arranged at the machine body, said counter weight suitably moving in an opposite direction in relation to the cab, by means of a boom arrangement according to the invention, thus maintaining the balance.
  • a working machine like a crane, an excavator or the like comprises a lower body 1 usually having transportation means 2 for moving the machine e.g. along the edge 4 of a quay 3.
  • an upper body 5 is attached to the machine's lower body 1 favorably so that said upper body 5 can turn around a vertical axis in relation to said lower body 1, said upper body usually comprising the working machine's driving motor (not shown) and a counterbalance weight 6 for balancing a boom, indicated by reference 7, and a load at the end thereof (not shown).
  • a loading means like a clamshell bucket, a lifting hook, an excavator's scoop or the like (not shown) is arranged at the end 8 of said boom 7 in a manner known per se .
  • the working machine's steering cab 9 is arranged at the outer end 11 of a multi-arm trapezoidal knuckle boom arrangement 10 having several parts and being composed of parallelograms, so that the inner end 12 of said boom arrangement 10 is attached to the body of the working machine, in this case to its turnable upper body 5.
  • the steering cab arrangement with its boom arrangement 10 is suitably arranged in a parallel manner at the side of the actual working boom 7 so that the cab 9 and said boom 7 simultaneously will turn along with said upper body 5.
  • the cab 9 is arranged in such a position that it cannot be hit by a load at the end of the boom.
  • separate guiding means are arranged which, if necessary, e.g., when a load is suspended in hoisting wires at the end 8 of the boom 7, will prevent the cab 9 from being driven into a dangerous vicinity of the vertical projection of the upper end 8 of the boom 7 and/or, if necessary, drive the cab 9 away from such a position in accordance with the movements of said upper end 8.
  • the knuckle boom arrangement 10 for the cab 9 and/or said boom 7 is arranged, horizontally, in a slightly skew manner in relation to the upper body 5 of the working machine, whereby the horizontal distance between the cab 9 and the end 8 of the boom 7 will increase when the reach of the cab's 9 boom arrangement 10 increases.
  • the cab arrangement according to the invention renders it possible, when fitted to a heavy excavator, to extend the cab 9, during the work at e.g., a pit at a building site, beyond a provisional piling wall, where otherwise the digging is difficult to control.
  • Figure 2 discloses a situation where the cab 9, arranged at the end of a boom arrangement 10, is driven to an idle or basic position where the cab 9 thus is as close to the working machine's body 1, 5 as possible. Usually, this is the position where the machine operator enters the cab and leaves it, since this position can automatically be exactly determined in relation to the body. In other positions the cab is not necessarily located at a suitable distance from the body for enabling passage, and according to one embodiment of the invention a locking of the cab's 9 passage door 15 is arranged so that the door 15 cannot be opened, except in a separately defined emergency situation, when the cab 9 is located in other positions than in said basic position.
  • the position of the working machine and its cab e.g., at harbor work can be otherwise exactly defined in relation to the ground it may, on the other hand, be suitable that the passage takes place when the cab 9 is located, e.g., in a lowered position near the level of the quay 3 as shown in Figure 5, and suitably turned away from the edge 4 of the quay 3, which position also can be easily reached automatically.
  • Figure 3 discloses a position where the outermost boom portion 16 of said boom arrangement 10 is directed for hoisting the cab 9 to a higher level
  • said boom portion 16 comprises a generally parallelogram shaped trapezoidal knuckle boom comprising a lower boom 17 and an upper boom 18.
  • the outer ends 11 of said booms 17, 18 are attached, via corresponding links 19, 20, to an essentially L-shaped body 21 which carries the cab 9.
  • the opposite end of the knuckle trapeze is made up of an intermediate interconnecting piece 22, to which said outer boom portion 16 is attached via links 24, 24', and through which the outermost boom portion 16 connects to the next, i.e. a preceding boom portion 25, which in the described embodiment at the same time constitutes the outermost boom portion which connects to the body 5 of the working machine.
  • said preceding boom portion 25 is made up, in a corresponding manner, of a generally parallelogram shaped trapezoidal knuckle boom with its lower and upper booms 26 and 27, respectively,
  • the links at one end of said booms 26, 27 are connected to said interconnecting piece 22, suitably so that an inner link shaft 24 of the lower boom 17 of said outer boom portion 16 and an outer link shaft 24' of the lower boom 26 of the preceding boom portion 25 are coaxial, at least one of said lower booms 17, 26 suitably being made up of double booms so that the lower boom of one of said boom portions will be located between said double booms.
  • the outer link 28 of the upper boom 27 of the preceding trapezoidal knuckle boom portion 25 is not concentric with the link 23 of the upper boom 18 of the outer boom portion 16 but is located at some distance therefrom at said interconnecting piece 22.
  • said boom portions 16 and 25 can easily be bent closely against each other so that a compact boom structure is achieved in the resting position, which is best seen in Figure 3.
  • Links 29, 30 at the opposite end of said preceding boom 25 are interconnected via another interconnecting piece (not shown) to a boom portion preceding it (not shown) or, in the disclosed case, directly to a link supporting pedestal 31 arranged at the body 5 of the working machine, which pedestal is discussed in more detail below.
  • power means 32 and 33 are connected to each parallelogram shaped trapezoidal knuckle boom portion 16, 25.
  • Said power means suitably comprise pneumatic or hydraulic working cylinders, spindle motors or the like, by means of which the geometry of the respective trapezoidal knuckle boom portion 16, 25 can be forced to change so that the position of the outer link joints 19, 20 and 24, 28, respectively, is changed in the form of a parallel displacement in relation to the inner link joints 23, 24'.
  • said power means 32, 33 one can achieve, separately or in group and very exactly, an impact upon the general orientation of said knuckle boom portions 16, 25, while the general inclination of said outer links 19, 20 and thus also the cab 9 automatically remains unchanged.
  • FIG. 4 gives a better view of the general geometry of the cab 9, said power means 32, 33 and the boom portions 16, 25, said interconnecting piece 22 and said link supporting pedestal 31 connecting to the body 5 of the working machine according to an especially favorable embodiment of the invention.
  • the general arrangement of the different links is slightly inclined
  • each end of said boom portions 16, 25 comprises two links, one of which is located higher up and the other one lower down. Due to the inclined arrangement the upper link 19, 23, 28, 29, respectively, is slightly displaced, in the horizontal direction, in relation to the lower link 20, 24, 24', 30, respectively,
  • an interconnecting line A-A running through each lower and, correspondingly, upper link joint at each of said knuckle boom portions 16, 25 slightly deviates from both the vertical and the horizontal directions. With respect to the vertical direction P-P this deviation is favorably 10 to 60°, suitably especially about 15 to 30°.
  • the inclination of said link joints gives, in combination with the diagonal position of said power means 32, 33 as seen in the Figure and more closely discussed below, especially good turning conditions for said boom portions 16, 25, taking into consideration both the optimal position of the cab 9, with respect to its function, and the torques it causes at the base of each respective boom portion 16, 25.
  • the inclination makes it possible to position the inner boom portion (indicated by the reference numeral 25 in the case disclosed in Figures 3 and 4) on one band essentially vertically; as disclosed in Figures 2 and 3 and, on the other hand, at the same time in a sufficiently sturdy manner also essentially horizontally, as disclosed in Figure 4, in which case the torque which the cab causes at the base of the boom is highest.
  • an essential feature of the invention can be achieved, namely a stepless mobility of the cab 9 both in the vertical and in the horizontal directions within the whole range of reach which practically can be considered as appropriate.
  • the arrangement according to the invention essentially differs from the simple trapezoidal boom arrangements known in prior art, wherein corresponding links have been arranged essentially either in a vertical or in a horizontal plane, which arrangements at the extreme ranges of movement technically restrict the stable movement of the cab.
  • the trapezoidal knuckle booms 16, 25 and their link arrangement in accordance with the invention, an especially good stability and establishment of the cab's position in practical extensional situations can be achieved, while at the same time preventing an inclination of the cab even in a possible breakdown situation at the power means.
  • an interconnecting piece 22 comprising at least three link joints 23, 24, 28 is used as said interconnecting piece between said trapezoidal knuckle boom portions 16, 25.
  • said link joints 24' and 28 at said interconnecting piece 22 are suitably located so that an interconnecting line A-A running from the lower link 24' via the upper link 28 is inclined, in relation to the vertical direction P-P, away from the cab 9 at an angle ⁇ which, accordingly, will be in the order of 10 to 60°, most favorably about 15 to 30°.
  • Said interconnecting piece 22 comprising said link joints 23, 24, 24', 28 is suitably arranged so that attachment links 23, 24 and, respectively, 24', 28 for the first and second parallelogram shaped trapezoidal knuckle boom portions 16, 25, respectively, will be essentially each others mirror images, in relation to the vertical direction, the lower link joint 24, 24' suitably being common for both boom portions 16 and 25.
  • the power means 33 at the trapezoidal knuckle boom portions 25 located nearest to the working machine favorably acts between one parallelogram boom 26 of the trapeze and a separate link joint 34 arranged at the link supporting pedestal 31 connected to the body 5 of the working machine
  • the power means at each following trapezoidal knuckle boom acts between another corresponding parallelogram boom and a separate link joint 35 arranged at the respective interconnecting piece 22 preceding the respective trapezoidal knuckle boom.
  • said separate link joints 34, 35 for said power means 32, 33 are located between the link joints 23, 24 and, respectively, 29, 30 for each respective boom portion 16, 25, favorably slightly above the center, but the location can also be another, e.g., in connection with a boom link joint or at opposite ends of the boom portions.
  • the Figures mainly disclose embodiments where the number of successive parallelogram shaped trapezoidal knuckle boom portions 16, 25 is two, but the scope of the invention also includes embodiments where the number of such portions is higher. This is possible especially due to the link joints arranged in a manner which is displaced in relation to the vertical line, i.e., inclined.
  • a multi-boom arrangement may be appropriate especially in cases aiming at an especially long reach without increasing the structural height of the boom arrangement especially when it is in its initial position, or where the object is especially versatile guiding properties for the cab 9, e.g, for harbor functions.
  • the length of an existing boom structure can be increased, after appropriate reinforcement measures taken, also at a later stage, and one special embodiment is wholly based on a boom arrangement of modular dimensions.
  • a favorable embodiment includes the arrangement of the cab 9 at the outermost links 19, 20 of the outermost parallelogram shaped trapezoidal knuckle boom portion 16 via an essentially L-shaped body structure 21 comprising link joints, where telescopic means (not shown) favorably are arranged between said body structure 21 and the steering cab 9 for horizontal displacement of the cab along said body structure 21.
EP99660094A 1998-05-29 1999-05-31 Kabinenanordnung Expired - Lifetime EP0960982B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981206 1998-05-29
FI981206A FI106371B (fi) 1998-05-29 1998-05-29 Ohjaamohyttijärjestely

Publications (3)

Publication Number Publication Date
EP0960982A2 true EP0960982A2 (de) 1999-12-01
EP0960982A3 EP0960982A3 (de) 2002-10-02
EP0960982B1 EP0960982B1 (de) 2004-01-14

Family

ID=8551844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99660094A Expired - Lifetime EP0960982B1 (de) 1998-05-29 1999-05-31 Kabinenanordnung

Country Status (4)

Country Link
EP (1) EP0960982B1 (de)
AT (1) ATE257877T1 (de)
DE (2) DE69914127T2 (de)
FI (1) FI106371B (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006039730A2 (de) * 2004-10-11 2006-04-20 Franz Ehrenleitner Parallelkinematische vorrichtung
EP1674619A2 (de) * 2004-12-21 2006-06-28 Liebherr-Hydraulikbagger GmbH Umschlaggerät
EP2319995A1 (de) * 2009-11-06 2011-05-11 Caterpillar INC. Vorrichtung zum Bewegen einer Plattform.
EP1961691A3 (de) * 2007-02-22 2011-05-11 Liebherr-Hydraulikbagger GmbH Umschlaggerät
US7997369B2 (en) 2009-06-02 2011-08-16 Exodus Machines, Inc. Articulating cab assembly for excavator
DE102010023789A1 (de) * 2010-06-15 2011-12-15 Eb-Invent Gmbh Knickarmroboter
DE102010023788A1 (de) * 2010-06-15 2011-12-15 Eb-Invent Gmbh Antrieb für einen Knickarmroboter
CN101555698B (zh) * 2008-04-11 2013-07-17 利勃海尔液压挖掘机有限公司 工作机及应急下降系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004011990U1 (de) * 2004-07-30 2005-12-08 Liebherr-Hydraulikbagger Gmbh Umschlaggerät

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT330989B (de) * 1971-09-13 1976-07-26 Schmidt Elisabeth Vorrichtung zum geradlinigen bewegen einer last
DE2631578A1 (de) * 1976-07-14 1978-01-19 Fuchs Fa Johannes Arbeitsmaschine
DE4443170A1 (de) * 1994-12-05 1996-06-13 Schaeff Karl Gmbh & Co Lademaschine mit verstellbarer Kabine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT330989B (de) * 1971-09-13 1976-07-26 Schmidt Elisabeth Vorrichtung zum geradlinigen bewegen einer last
DE2631578A1 (de) * 1976-07-14 1978-01-19 Fuchs Fa Johannes Arbeitsmaschine
DE4443170A1 (de) * 1994-12-05 1996-06-13 Schaeff Karl Gmbh & Co Lademaschine mit verstellbarer Kabine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006039730A3 (de) * 2004-10-11 2006-08-03 Franz Ehrenleitner Parallelkinematische vorrichtung
WO2006039730A2 (de) * 2004-10-11 2006-04-20 Franz Ehrenleitner Parallelkinematische vorrichtung
EP1674619A2 (de) * 2004-12-21 2006-06-28 Liebherr-Hydraulikbagger GmbH Umschlaggerät
EP1674619A3 (de) * 2004-12-21 2007-04-25 Liebherr-Hydraulikbagger GmbH Umschlaggerät
EP1961691A3 (de) * 2007-02-22 2011-05-11 Liebherr-Hydraulikbagger GmbH Umschlaggerät
CN101555698B (zh) * 2008-04-11 2013-07-17 利勃海尔液压挖掘机有限公司 工作机及应急下降系统
US7997369B2 (en) 2009-06-02 2011-08-16 Exodus Machines, Inc. Articulating cab assembly for excavator
WO2011057136A1 (en) * 2009-11-06 2011-05-12 Caterpillar Inc. Apparatus for moving a platform
EP2319995A1 (de) * 2009-11-06 2011-05-11 Caterpillar INC. Vorrichtung zum Bewegen einer Plattform.
US8813600B2 (en) 2009-11-06 2014-08-26 Caterpillar Inc. Apparatus for moving a platform
DE102010023789A1 (de) * 2010-06-15 2011-12-15 Eb-Invent Gmbh Knickarmroboter
DE102010023788A1 (de) * 2010-06-15 2011-12-15 Eb-Invent Gmbh Antrieb für einen Knickarmroboter
EP2397279A1 (de) 2010-06-15 2011-12-21 EB-invent GmbH Knickarmroboter mit Armantrieb
WO2011156826A1 (de) 2010-06-15 2011-12-22 Eb-Invent Gmbh Knickarmroboter

Also Published As

Publication number Publication date
FI981206A0 (fi) 1998-05-29
ATE257877T1 (de) 2004-01-15
EP0960982B1 (de) 2004-01-14
DE69914127T2 (de) 2004-11-11
FI981206A (fi) 1999-11-30
DE960982T1 (de) 2001-02-08
DE69914127D1 (de) 2004-02-19
EP0960982A3 (de) 2002-10-02
FI106371B (fi) 2001-01-31

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