WO2016046224A1 - Mât articulé - Google Patents

Mât articulé Download PDF

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Publication number
WO2016046224A1
WO2016046224A1 PCT/EP2015/071775 EP2015071775W WO2016046224A1 WO 2016046224 A1 WO2016046224 A1 WO 2016046224A1 EP 2015071775 W EP2015071775 W EP 2015071775W WO 2016046224 A1 WO2016046224 A1 WO 2016046224A1
Authority
WO
WIPO (PCT)
Prior art keywords
mast
articulated
segment
segments
intermediate segment
Prior art date
Application number
PCT/EP2015/071775
Other languages
German (de)
English (en)
Inventor
Christoph Sacken
Bernd SEGSCHNEIDER
Original Assignee
Schwing Gmbh
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 Schwing Gmbh filed Critical Schwing Gmbh
Publication of WO2016046224A1 publication Critical patent/WO2016046224A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E04G21/0418—Devices for both conveying and distributing with distribution hose
    • E04G21/0445—Devices for both conveying and distributing with distribution hose with booms

Definitions

  • the invention relates to a articulated mast and a large manipulator, in particular a truck-mounted concrete pump with at least one articulated mast.
  • Cantilever masts are a part of distribution booms.
  • the distribution booms consist essentially of a rotatable about a vertical axis turntable and a plurality of relatively pivotable to each other or telescopic mast segments composite articulated mast.
  • the articulated mast is articulated at one end of the first mast segment on the turntable.
  • drive elements for example hydraulic cylinders
  • the weight or the mass and the required space of the articulated mast should be reduced in relation to the length of the unfolded mast.
  • An inventive articulated mast for a large manipulator has at least two mast segments, a first and a second mast segment, and a drive element, wherein the articulated mast from a folded position into a deployed position and vice versa can be transferred.
  • the articulated mast is characterized by an intermediate segment, wherein the intermediate segment between the two mast segments is arranged and is pivotally connected thereto, and wherein in the folded position, the mast segments substantially horizontally, parallel to each other and directly above each other lie and wherein in the unfolded position, the mast segments and the intermediate segment are aligned.
  • the articulated mast according to the invention thus has the advantage over the prior art that can be dispensed with an elaborate cranking of the mast segments, whereby the mass of the distributor mast reduced at the same Ausfaltin or increases the length of the distributor mast in the unfolded position with the same mass, whereby it meets the growing demands on the range of large manipulators. Furthermore, the articulated mast in its folded position on an extremely compact form.
  • the articulated mast according to the invention can also be pivoted beyond that unfolded position in which the intermediate segment and the adjacent mast segments are arranged, as it were, on a common axis.
  • the pivot angle between adjacent mast segments is therefore not limited to 180 °.
  • the mast segments can be pivoted to each other in a range of approximately up to 360 °.
  • lever mechanism can be used with reversing levers in various designs.
  • the intermediate segment advantageously extends substantially perpendicular to the adjacent pole segments.
  • the intermediate element in the folded state is not perpendicular to the adjacent mast segments, but at an angle of 90 +/- 45 degrees to the adjacent mast segments.
  • the intermediate segment has at least two bearing points.
  • the intermediate segment is pivotable with a first pole segment and with a second bearing point it is pivotally connected to a second pole segment.
  • the bearing point is designed in particular as a bore into which a hinge pin or hinge pin engages in order to articulate the intermediate segment with one of the pole segments (or a drive element). So that the articulated mast in the unfolded position has the largest possible extent, the bearing points at which the mast segments are arranged at the intermediate segment, based on the Ausfalttraum, as far as possible outside, preferably at opposite ends.
  • the intermediate segment may also have a third or more bearing points.
  • the intermediate segment is pivotably articulated to the at least one drive element.
  • the bearing point for the drive element is preferably arranged between the two other bearing points.
  • the intermediate segment may have various shapes.
  • the intermediate segment has, for example, a substantially triangular shape.
  • the corners can be at least partially rounded.
  • the intermediate segment has in particular an isosceles triangular shape.
  • the bearing points may be located at the ends of the longest side, ie at the corners of the base of the triangle, over which the intermediate segment is connected to the adjacent mast segments. In this way, the greatest possible deflection of the articulated mast in the unfolded position can be achieved.
  • At least one bearing point for the articulation of the drive element is arranged in the third corner. But it is also conceivable that the intermediate segment has a quadrangular, for example, a rectangular or trapezoidal shape.
  • the least one drive element ensures that the articulated mast from the folded in the unfolded position and vice versa is feasible.
  • the drive element is a hydraulic cylinder.
  • the hydraulic cylinder By the hydraulic cylinder, the energy from a hydraulic fluid, which is supplied by a hydraulic pressure accumulator or a hydraulic pump, converted into an easily controllable, rectilinear force.
  • the articulated mast can also have several hydraulic cylinders. If the hydraulic cylinders are connected to the intermediate segment, a separate bearing point can be present on the intermediate segment for each hydraulic cylinder. But it is also possible that the hydraulic cylinders are attached to the same bearing point. If the articulated mast has two hydraulic cylinders, then the first hydraulic cylinder can connect the first mast segment to the intermediate element and the second hydraulic cylinder can connect the second mast segment to the intermediate element.
  • the hydraulic cylinders can be arranged on the articulated mast in such a way that they form an acute angle in the folded-in position of the mast which can be less than 45 °, preferably less than 30 °. However, the hydraulic cylinders can also run in the retracted position of the mast to each other so that they form a right angle substantially.
  • the first hydraulic cylinder extends approximately parallel or at an acute angle to the first mast segment and the second hydraulic cylinder extends substantially in the vertical direction or at an acute angle to the intermediate segment. This arrangement is particularly suitable when the hydraulic cylinders engage at the same bearing point on the intermediate segment. In addition to a direct articulation of the hydraulic cylinder on the intermediate segment or mast segments, these can also be articulated via lever.
  • the drive elements can be coupled together, ie both drive elements perform their drive motion simultaneously. This makes it easier to control the articulated mast.
  • the hydraulic cylinders may be hydraulically or mechanically coupled, for example.
  • hydraulic coupling can be achieved by hydraulically arranging the hydraulic cylinders "in series.” This makes it possible to produce a smooth and uniform pivotal movement, but it is also possible for the hydraulic cylinders to be both coupled and decoupled
  • the machinist then has the advantage of being able to switch off the coupling when the mast has to be guided along a complicated path.
  • the adjacent mast segments may be pivotally connected to each other in addition to the intermediate segment by a lever which has bearing points at its ends.
  • a lever which has bearing points at its ends.
  • Intermediate segment In order to absorb tensile and compressive forces as well as possible, the bellcrank substantially in the form of a straight bar with bearing points at its ends.
  • Other versions are also possible depending on the requirement. In the retracted position of the lever or the imaginary line between the two articulation points of the reversing lever, the intermediate segment or the imaginary line between the two articulation points to cross the mast segments.
  • the articulated mast according to the invention may also have a coupling with at least three mutually hinged joint elements, which connects the adjacent mast segments pivotally together.
  • the outer joint elements are articulated hinged to the mast segments.
  • a central joint element is articulated on the intermediate segment.
  • the joint elements are preferably rods which have bearing points at their ends.
  • the coupling In the folded-in position of the articulated mast, the coupling preferably has a substantially Z-shaped course. In the unfolded position, the joint elements extend substantially along a straight line.
  • the distributor boom can have as a drive element a hydraulic cylinder, which is connected via brackets pivotally connected to the adjacent pole segments.
  • a first bracket connects the hydraulic cylinder to the first mast segment and a second bracket connects the drive member to the second mast segment.
  • the brackets are preferably arranged at a common bearing point on the hydraulic cylinder.
  • the hydraulic cylinder is rotatably disposed with one of its ends on the intermediate segment. The connection can be formed cohesively. In the folded-in position of the articulated mast, the hydraulic cylinder runs essentially parallel to the mast segments.
  • a gear-shaped element can be arranged rotationally.
  • the gear-shaped elements of adjacent mast segments engage each other, i. they comb. This allows the simultaneous folding or unfolding of the articulated mast with only one drive element allows supported.
  • the adjacent mast segments are connected to each other by means of a traction mechanism, such as a belt drive.
  • the articulated mast has arresting means, so that the intermediate segment can be locked in predefined angular positions on one of the adjacent mast segments.
  • the intermediate segment is lockable under at least two predetermined angular positions on the mast segment.
  • the intermediate segment is so determined by the locking means on the adjacent pole segment, that it runs in the locked positions almost parallel in the working position or vertically in the driving position to this pole segment.
  • bolts can be used, which are, for example, hydraulically retracted into corresponding recesses.
  • the locking means allow unfolding of the mast by utilizing gravity. As a result, the number of required drive elements can be reduced.
  • the invention relates to a large manipulator, in particular a truck-mounted concrete pump.
  • the large manipulator comprises a distribution boom, wherein the distribution boom has a turntable rotatable about a vertical axis and a buckling mast according to the invention, which is arranged pivotably about a horizontal axis on the turntable.
  • FIGS. show various embodiments of the invention.
  • the invention is not limited to the embodiments shown.
  • the invention includes, as far as is technically feasible, any combination of the technical features which are listed individually in the claims or described in the description as relevant to the invention. Show it:
  • 1 a is a schematic view of a part of a known from the prior art kink mast in a folded state
  • 1 b is a schematic view of a part of a known from the prior art kink mast in an unfolded state
  • FIG. 2 a schematic representation of an intermediate segment according to the invention, schematic view of a buckling mast according to the invention in a first embodiment in a folded position, schematic view of a buckling mast in the first embodiment in an unfolded position, schematic view of a buckling mast according to the invention in a second embodiment in a retracted position, schematic view of a buckling mast according to the invention in a third Embodiment in a folded position, schematic view of a buckling mast according to the invention in the third embodiment in an extended position, schematic view of a buckling mast according to the invention in a fourth embodiment in a retracted position, schematic view of a buckling mast in the fourth embodiment in an unfolded position, schematic view a buckling mast according to the invention in a fifth embodiment in a folded S position, schematic view of a kink mast according to the invention in one folded position in a sixth
  • FIG. 1 Design form. schematic view of a buckling mast according to the invention in a seventh embodiment in a retracted position, schematic view of a buckling mast according to the invention in the seventh embodiment in which the bolt is released.
  • FIG. 1a shows a schematic view of a part of a prior art articulated mast 10 in a folded state.
  • the articulated mast 10 has a first mast segment 12 and a second mast segment 14.
  • the first mast segment 12 has at its one end a crank 16, which runs perpendicular to the longitudinal extent of the first mast segment 12.
  • the mast segments 12, 14 are hinged together.
  • a hydraulic cylinder 18 is arranged at a bearing point on the first pole segment 12.
  • the hydraulic cylinder 18 acts via an outer bearing point on a lever member 20 which is fixed with a hinge to the crank 1 6.
  • the lever member 20 further includes a central pivot on which a two-point link 22 is fixed, which is fastened with its other ends to the second pole segment 14.
  • the mast segments 12, 14 extend as far as possible parallel to each other.
  • the mast segments 12, 14 may also be slightly inclined to each other in the folded state. If one of the mast segments 12, 14 has a lateral offset in order to laterally fold next mast elements next to the first 12 and second mast element 14, the mast segments 12, 14 are only partially parallel to one another.
  • FIG. 1 b shows a part of a buckling mast 10 known from the prior art in an unfolded state. From the figure 1 b shows that the crank 1 6 does not contribute to the total length of the buckling mast 10. Furthermore, the cranking 1 6 restricts the pivot angle of the distributor boom 10 an unfolded state, the mast segments 12, 14 arranged in stages to each other, which increased forces and moments can act on the articulated mast 10, which reduce the strength.
  • FIG. 2 shows an embodiment of an intermediate segment 102 according to the invention.
  • the intermediate segment 102 has a triangular shape, for example an isosceles triangular shape.
  • the corners are at least partially rounded.
  • the intermediate segment 102 preferably has in each case a bearing point 104, 106 in two of its corners, by means of which the intermediate segment 102 can be articulated to further elements of the distributor boom.
  • the bearing points 104, 106 which are located at the ends of the longest side of the intermediate segment 102, the intermediate segment 102 is advantageously connected to the mast segments 1 12, 1 14 pivotally connected. As a result, the greatest possible deflection of the distributor boom in the unfolded position can be achieved.
  • the bearing points 104, 106 are preferably bores into which hinge pins or hinge pins are inserted.
  • the intermediate segment 102 preferably has a further bearing point 108, via which the intermediate segment 102 is connected to at least one drive element 1 16, 1 18.
  • the intermediate segment 102 preferably has a further bearing point 108, via which the intermediate segment 102 is connected to at least one drive element 1 16, 1 18.
  • two drive elements 1 1 6, 1 18 are on the intermediate segment 102, two drive elements 1 1 6, 1 18 (see Figure 3a) attached, so for each drive element 1 1 6, 1 18 a separate bearing point 108, 1 10 may be present. But it is also possible that the drive elements 1 1 6, 1 18 are hinged to the same bearing point.
  • FIG. 3 a shows a schematic view of part of a kink mast 100 according to the invention for a large manipulator in a folded-in position in a first embodiment.
  • the articulated mast 100 has two mast segments 1 12, 1 14 and a first and a second drive element 1 1 6, 1 18. Furthermore, the articulated mast 100 has an intermediate segment 102, which is arranged between the two mast segments 1 12, 1 14.
  • the intermediate segment has four bearing points 104, 106, 108, 110.
  • the first drive element 1 1 6 acts between the first mast segment 1 12 and the intermediate segment 102.
  • the second drive element 1 18 acts between the second mast segment 1 14 and the intermediate segment 102.
  • the intermediate segment 102 has for each of the drive elements 1 1 6, 1 18 a separate bearing point 108, 1 10 on.
  • the drive elements 1 16, 1 18, for example, be hydraulically coupled to each other. This makes it easier to control the distribution boom. But it is also conceivable that the hydraulic cylinders can be controlled decoupled from each other. This is advantageous if the mast has to be guided along a complicated path.
  • FIG. 3b shows a schematic view of a Knickmasts 100 according to the invention in the first embodiment in the unfolded position.
  • the mast segments 1 12, 1 14 and the intermediate segment 102 are aligned.
  • the segments 1 12, 1 14, 102 are thus located on one axis.
  • Figure 4 shows a schematic view of a buckling mast 100 according to the invention in a second embodiment in the retracted position.
  • the one drive element 1 1 6 acts between the first mast segment 1 12 and the intermediate segment 102 and the second drive element 1 18 acts between the second mast segment 1 14 and the intermediate segment 102.
  • the drive elements 1 1 6, 1 18 are at the intermediate segment 102 at the same Bearing point 107 articulated.
  • the drive elements 1 1 6, 1 18 form substantially a right angle.
  • the first drive element 1 1 6 extends approximately parallel to the first mast segment 1 12 and the second drive element 1 18 extends substantially in the vertical direction.
  • the drive elements can also be coupled together in this embodiment, but can also be controlled separately.
  • FIG. 5 a shows a schematic view of a buckling mast 100 according to the invention in a folded-in position in a third embodiment.
  • the adjacent mast segments 1 12, 1 14 are pivotable in addition to the intermediate segment 102 by a deflection lever 120, which has bearing points 122, 124 at its ends connected with each other.
  • the lever 120 In order to absorb tensile and compressive forces as well as possible, the lever 120 has substantially the shape of a straight bar and has at its ends the bearing points 122, 124. As a result, the strength of the buckling mast 100 is improved.
  • the reversing lever 120 intersects the intermediate segment 102.
  • Figure 5b shows a schematic view of the buckling mast 100 according to the invention in the third embodiment in the unfolded position.
  • the intermediate segment 102 is aligned with the mast segments, 1 12, 1 14 of the buckling mast 100. It lies with these on a straight line.
  • the deflection lever 120 is preferably slightly angled to the intermediate segment 102 in order to limit the forces to be transmitted via the deflection lever 120 in this position.
  • FIG. 6a shows a schematic view of a distribution boom 100 according to the invention in a fourth embodiment in the folded-in position.
  • the articulated mast 100 has as drive element 1 1 6 a hydraulic cylinder which is connected via brackets 126, 128 pivotally connected to the mast segments 1 12, 1 14.
  • a first bracket 126 connects the hydraulic cylinder to the first mast segment 1 12 and a second bracket 128 connects the drive member to the second mast segment 1 14.
  • the brackets 126, 128 are arranged at a common bearing point 130 on the drive element, but can also be arranged at separate bearing points be.
  • the drive element 1 16 is rotatably disposed with one of its ends 132 on the intermediate segment 102.
  • the connection can advantageously be made cohesively (eg by welding).
  • the drive element 1 1 6 activated, then exert the bracket 126, 128 thrust on the mast segments 1 12, 1 14 and pivot them relative to each other.
  • the drive element 1 1 6 extends substantially parallel to the mast segments 1 12, 1 14. It can be seen that in this Embodiment in a further shortening of the rod of the hydraulic cylinder, a bending angle of over 180 ° can be achieved.
  • Fig. 6b shows a schematic view of the buckling mast 100 according to the invention in the fourth embodiment in the unfolded position.
  • the segments 102, 1 12, 1 14 on an axis in a row.
  • FIG. 7 shows a schematic view of a buckling mast 100 according to the invention in a fifth embodiment in the folded-in position.
  • a gear-shaped element 134, 136 is arranged rotationally fixed.
  • the gear-shaped elements 134, 136 of the adjacent mast segments 1 12, 1 14 engage each other. It is also conceivable that adjacent mast segments 1 12, 1 14 are connected by means of a traction mechanism.
  • FIG. 8 shows a schematic view of a folding mast 100 according to the invention in a folded-in position in a sixth embodiment. Due to the intermediate segment 102 according to the invention, more space is available between the adjacent pole segments 1 12, 1 14 in the folded-in position of the articulated mast 100.
  • the articulated mast 100 in its retracted position has an extremely compact shape.
  • Such an arrangement of mast segments in the retracted position is not desirable in the known articulated masts by the presence of the crank, since the crank should be made as short as possible for reasons of strength.
  • FIG. 9a shows a schematic view of a buckling mast 100 according to the invention in a seventh embodiment in a folded-in position.
  • a locking means 140 is arranged between the intermediate segment 102 and the mast segment 1 14 .
  • the locking means 142 allow unfolding of the mast 100 by utilizing gravity, whereby the number of required drive elements can be reduced.
  • the Locking means 140 the intermediate segment 102 can be locked in predefined angular positions on the adjacent pole segment 1 14.
  • the intermediate segment 102 can be locked under four predetermined angular positions on the mast segment 1 14, wherein the intermediate segment 102 can be determined by the locking means 140 on the adjacent mast segment 1 14, that it extends in the locked position parallel or senkreckt to this mast segment 1 14 ,
  • locking means 140 one or more bolts 142 may be used, which are retracted into corresponding recesses.
  • the mast segment 1 14 is bolted to the intermediate segment 102.
  • the intermediate segment 102 With established mast segment 1 14 of the articulated mast 100 is unfolded.
  • the intermediate segment 102 is pivoted away from the ground (see the direction of the dotted arrow in FIG. If the intermediate element 102 then runs parallel to the bottom 144 and the mast segment 1 14 perpendicular to the bottom 144, the bolt 142 is released and the mast segment 14 can oscillate freely under the influence of gravity.
  • This position of the articulated arm 100 is shown in FIG. 9b.
  • the intermediate segment 102 is then again pivoted to the bottom 144 (see the direction of the dotted arrow in FIG.
  • the intermediate segment 102 which is only shown in two-dimensional detail in the figures, can be a simple plate-shaped element on which the drive element or elements 11, 16, 18 and possibly reversing levers are arranged laterally. It is also possible, for example, for two parallel operating drive elements 16, 118 to engage laterally on the plate-shaped intermediate element 102.
  • the intermediate element 102 is advantageously designed as an open, partially open or closed box section. In a partially open Box design, for example, a hydraulic cylinder hinged centrally in the box or two hydraulic cylinders are arranged on the side of the box at the articulation points described. Similarly, the bellcrank, depending on the structural conditions, be arranged laterally or centrally in or on the box section of the intermediate element 102.

Abstract

L'invention concerne un mât articulé (100) pour un manipulateur de grande envergure, qui comprend au moins deux segments de mât (112, 114), à savoir un premier (112) et un second segment de mât (114), ainsi qu'un élément d'entraînement (116, 118), le mât articulé (100) pouvant être amené d'une position repliée à une position dépliée, et inversement. Le but de l'invention est de fournir un mât articulé répondant aux exigences croissantes en termes de portée de manipulateurs de grande envergure, sans que cela ne porte préjudices à d'autres égards. En particulier, l'invention vise à améliorer le poids ou la masse du mât articulé par rapport à la longueur du mât déplié. A cet effet, le mât articulé (100) comprend en outre un segment intermédiaire (102), le segment intermédiaire (102) étant placé entre les deux segments de mât (112, 114) et étant relié à ceux-ci de manière articulée, et, en position repliée, les segments de mât (112, 114) étant superposés, sensiblement horizontalement et parallèlement l'un à l'autre, et, en position dépliée, les segments de mât (112, 114) et le segment intermédiaire (102) étant alignés. L'invention concerne en outre un manipulateur de grande envergure muni d'un mât articulé (100) selon l'invention.
PCT/EP2015/071775 2014-09-22 2015-09-22 Mât articulé WO2016046224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014013734.1A DE102014013734A1 (de) 2014-09-22 2014-09-22 Knickmast
DE102014013734.1 2014-09-22

Publications (1)

Publication Number Publication Date
WO2016046224A1 true WO2016046224A1 (fr) 2016-03-31

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Application Number Title Priority Date Filing Date
PCT/EP2015/071775 WO2016046224A1 (fr) 2014-09-22 2015-09-22 Mât articulé

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DE (1) DE102014013734A1 (fr)
WO (1) WO2016046224A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106943698A (zh) * 2017-04-28 2017-07-14 三汽车制造有限公司 一种破拆消防车

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7088801B2 (ja) * 2018-09-28 2022-06-21 日立建機株式会社 作業機械
WO2021239027A1 (fr) * 2020-05-28 2021-12-02 浙江三一装备有限公司 Bras repliable et engin de chantier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2102612A1 (de) * 1971-01-20 1972-08-10 Franz X Meiller Fahrzeug U Mas Lasthebevorrichtung, insbesondere Ladekran
US4461369A (en) * 1981-03-30 1984-07-24 Amador Hydraulic Services Limited Articulated boom and assembly therefor
EP0536060A1 (fr) * 1991-10-02 1993-04-07 Potain Flèche à repliage automatisé pour grue
EP0621227A2 (fr) * 1993-04-22 1994-10-26 Iowa Mold Tooling Co., Inc. Flèche articulée pour le chargement de troncs d'arbres
DE202008015659U1 (de) * 2008-11-26 2009-03-19 Palfinger Ag Kranspitze für einen Ladekran

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715771A (en) * 1986-11-10 1987-12-29 J. I. Case Company Variable geometry mounting arrangement for backhoe assembly
US8684198B2 (en) * 2010-02-01 2014-04-01 Kobelco Construction Machinery Co., Ltd. Working machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2102612A1 (de) * 1971-01-20 1972-08-10 Franz X Meiller Fahrzeug U Mas Lasthebevorrichtung, insbesondere Ladekran
US4461369A (en) * 1981-03-30 1984-07-24 Amador Hydraulic Services Limited Articulated boom and assembly therefor
EP0536060A1 (fr) * 1991-10-02 1993-04-07 Potain Flèche à repliage automatisé pour grue
EP0621227A2 (fr) * 1993-04-22 1994-10-26 Iowa Mold Tooling Co., Inc. Flèche articulée pour le chargement de troncs d'arbres
DE202008015659U1 (de) * 2008-11-26 2009-03-19 Palfinger Ag Kranspitze für einen Ladekran

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106943698A (zh) * 2017-04-28 2017-07-14 三汽车制造有限公司 一种破拆消防车

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