EP3180485B2 - Machine de travail - Google Patents

Machine de travail Download PDF

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Publication number
EP3180485B2
EP3180485B2 EP15744222.9A EP15744222A EP3180485B2 EP 3180485 B2 EP3180485 B2 EP 3180485B2 EP 15744222 A EP15744222 A EP 15744222A EP 3180485 B2 EP3180485 B2 EP 3180485B2
Authority
EP
European Patent Office
Prior art keywords
supporting
work machine
mast
boom
supported
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.)
Active
Application number
EP15744222.9A
Other languages
German (de)
English (en)
Other versions
EP3180485B1 (fr
EP3180485A1 (fr
Inventor
Benjamin RAU
Eva DAUM
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.)
Putzmeister Engineering GmbH
Original Assignee
Putzmeister Engineering 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
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Application filed by Putzmeister Engineering GmbH filed Critical Putzmeister Engineering GmbH
Publication of EP3180485A1 publication Critical patent/EP3180485A1/fr
Publication of EP3180485B1 publication Critical patent/EP3180485B1/fr
Application granted granted Critical
Publication of EP3180485B2 publication Critical patent/EP3180485B2/fr
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Classifications

    • 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
    • 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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • 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
    • 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
    • E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
    • 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
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms

Definitions

  • the invention relates to a working machine according to the preamble of claim 1.
  • Such working machines equipped with a mast such as mobile concrete pumps, pump mixers, excavators or cranes, usually have at least two mast arms which can be pivoted in relation to one another in order to be able to fold the mast, which can have a considerable length, together to save space for transport.
  • the mast arms are placed one on top of the other in the folded state, with only the last mast arm having a free end being supported with its free end or near the free end on a support device fixed to the chassis.
  • the other mast arms lying on top of each other, on the other hand are each supported only on the next lower mast arm.
  • support devices are often arranged on the mast arms, on which the next upper mast arm of the folded mast is supported.
  • pump mixers which usually have a much smaller mast than a truck-mounted concrete pump and on whose chassis there is little space due to other equipment such as the mixing drum, such a support is often not possible.
  • JP S62 140088 U discloses a working machine according to the preamble of claim 1.
  • the invention is based on the idea of providing support at a point where there is more space in the area of the joint connecting the two mast arms so that they can pivot, and which is always located at one of the two ends of the package formed by the mast arms lying on top of each other when the mast is in the folded state present than in the middle of the mast arms. It is possible that only one joint is supported on a support device that is preferably fixed to the chassis. However, it is preferred that several or all joints are each supported on a support device, in which case a number of support devices corresponding to the number of supported joints must be present.
  • the component of the respective joint which rests on the support surface of the support device, can, for example, be a lever which is rotatably connected to the two mast arms connected to one another by the joint and which serves to transmit a force for the mutual pivoting of the mast arms, for example a reversing lever.
  • the supported component is a joint bolt which connects two parts of the joint in a pivotable manner and which is supported on the supporting surface in question.
  • the pivot pin may have a sleeve surrounding it, which rests on the bearing surface in question. At least one of the joint pins has a support part which protrudes in the axial direction beyond the joint parts connected by it and which is supported on the relevant support surface.
  • a roller which can be rotated about a longitudinal axis of the hinge pin and rests on the relevant support surface can advantageously be placed.
  • the hinge pin When the roll is laid down on the support surface, the hinge pin usually also executes a movement with a component parallel to the support surface, so that the roll rolls onto the latter. This leads to protection of the support surface, especially when the roller is made of soft, wear-resistant plastic.
  • At least one and preferably each of the support surfaces expediently extends so far in a direction perpendicular to the longitudinal axis of the associated pivot pin that it protrudes over the roller on both sides.
  • the roll then has enough space to roll on the support surface during the entire depositing process.
  • at least one and preferably each of the support surfaces has a channel shape with a bottom surface and with side walls extending obliquely upwards on both sides of edges of the bottom surface running perpendicular to the longitudinal axis of the hinge pin. When the roll rolls on the support surface, the side walls center the roll by deflecting it towards the bottom surface.
  • another support device fixed to the chassis can be provided, on which the free end of the last mast arm is supported, in order to further improve the support of the entire mast.
  • the further support device can be planked with a slidable layer made of wear-resistant plastic, just as the support surface can also be made of wear-resistant plastic.
  • an aramid and in particular a plastic referred to as polyaramid 6, comes into consideration as the plastic for the planking of the additional support device, for the support surface(s) and for the roller(s).
  • a part of a pump mixer 10 is shown in detail, which has a chassis (not shown in detail) and a mast bracket 14 fixed to the chassis and having a rotating head 12 rotatable about a vertical axis of rotation.
  • the pump mixer 10 also has a mast 16 which carries a concrete delivery line 18 with which concrete can be delivered to a place of use by means of a concrete pump.
  • the mast 16 has four mast arms 20, 22, 24, 26 which are connected to one another in an articulated manner, a first of the mast arms 20 being mounted on the rotary head 12 so as to be pivotable about a horizontal pivot axis.
  • a second of the mast arms 22 is pivotably connected to the first mast arm 20 by means of a joint, not shown here, and to a third of the mast arms 24 by means of a joint 28.
  • the third mast arm 24 is connected to a fourth of the mast arms 26 by means of a joint, not shown. which has a free end 30 at or near which the concrete delivery line 18 ends.
  • the joint 28 connecting the second boom arm 22 to the third boom arm 24 has a deflection lever 34 acted upon by a hydraulic cylinder 32, the application of force to which by the hydraulic cylinder 32 causes a pivoting movement of the third boom arm 24 with respect to the second boom arm 22.
  • Identical or similar joints are also arranged between the first mast arm 20 and the second mast arm 22 and between the third mast arm 24 and the fourth mast arm 26, but are not shown in the drawing.
  • the joint 28 has two web plates 36 arranged at a distance from one another and a joint pin 38 which connects the web plates 36 to one another and is rotatably guided through each of the web plates 36, which has a supporting part 40 which protrudes in its axial direction beyond the outside of one of the web plates 36.
  • the web plates 36 are articulated on the one hand on the third mast arm 24 and on the other hand on a piston rod 37 of the cylinder 32 .
  • a connection to the second mast arm 22 is provided by levers 39 articulated on both sides of the second mast arm 22 and on the pivot pin 38 .
  • a roller 42 made of plastic is rotatably mounted on the support section 40 .
  • a support device 44 which is fixed to the chassis in the exemplary embodiment shown is provided and has a support surface 46 directed upwards. in 1 shown folded state of the mast 14, in which the mast arms 20, 22, 24, 26 are arranged one on top of the other or with only a small distance from each other, the roller 42 is on the support surface 46 on.
  • the support surface 46 is formed by a substantially horizontally running base surface 48 and two side walls 50 on both sides of the base surface 48 extending in a direction perpendicular to the longitudinal axis of the hinge pin 38 and forming an obtuse angle with the base surface 48 .
  • the channel shape of the support surface 46 has a centering effect when the roller 42 is set down, so that the roller 42 does not have to be placed exactly on the bottom surface 48 but rather slides down the respective side wall 50 when it is placed a little way next to the bottom surface 48 .
  • the support surface 46 also extends a little in the direction perpendicular to the longitudinal axis of the hinge pin 38, so that the roller 42 can roll a little on it when it is placed on it.
  • a further support device 52 preferably fixed to the chassis, is also provided, on which a component 54 arranged at the free end 30 is supported.
  • the invention relates to a work machine 10 with a chassis, with a mast block 14 mounted on the chassis and having a rotating head 12 that can be rotated about a vertical axis of rotation, and with a mast 16 having at least two mast arms 20, 22, 24, 26, Each of the mast arms 20, 22, 24, with the exception of a last mast arm 26 having a free end 30, starting from a first mast arm 20, is pivotably connected to the respectively following mast arm 22, 24, 26 by means of a joint 28, and the first mast arm 20 is pivotable by a horizontal pivot axis is pivotally mounted on the rotary head 12.
  • at least one support device 44 which is preferably fixed to the chassis, is provided, which has a support surface 46 on which a component of the joint 28 or a component of one of the joints 28 is supported.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Jib Cranes (AREA)
  • Body Structure For Vehicles (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Agricultural Machines (AREA)
  • Auxiliary Devices For Music (AREA)

Claims (7)

  1. Machine de travail avec un châssis, avec un support de mât (14) monté sur le châssis et possédant une tête rotative (12) pouvant tourner autour d'un axe de rotation vertical, avec un mât (16) possédant au moins deux bras de mât (20, 22, 24, 26), chacun des bras de mât (20, 22, 24), à l'exception d'un dernier bras de mât (26) ayant une extrémité libre (30) à partir d'un premier bras de mât (20), étant relié de manière pivotante au bras de mât (22, 24, 26) respectif suivant au moyen d'une articulation (28), au moins une et de préférence chacune des articulations (28) possédant un boulon d'articulation (38) reliant entre eux deux éléments de l'articulation (28) de manière pivotante, et le premier bras de mât (20) étant monté de manière pivotante autour d'un axe de pivotement horizontal sur la tête de pivotement (12), et avec au moins un dispositif de support (44) solidaire du châssis et ayant une surface de support (46) sur laquelle est supporté un élément structurel de l'articulation (28) resp. un élément structurel de l'une des articulations (28), caractérisée en ce que le ou les boulons d'articulation (38) possèdent une partie de support (40) qui déborde en direction axiale des éléments d'articulation reliés par lui et qui est supportée sur la surface d'appui (46) respective.
  2. Machine de travail selon la revendication 1, caractérisée par un nombre de dispositifs de support (44) correspondant au nombre des articulations (28) et ayant chacun une surface de support (46), à chacune des articulations (28) étant associé un des dispositifs de support (44) et sur chacune des surfaces de support (46) étant supporté un élément structurel de l'articulation (28) respective.
  3. Machine de travail selon la revendication 1 ou 2, caractérisée en ce que sur au moins une et de préférence sur chacune des parties de support (40) étant placé un rouleau (42) qui peut tourner autour d'un axe longitudinal du boulon d'articulation (38) et qui repose sur la surface de support (46) respective.
  4. Machine de travail selon la revendication 3, caractérisée en ce qu'au moins une et de préférence chacune des surfaces de support (46) s'étend si loin dans une direction perpendiculaire à l'axe longitudinal du boulon d'articulation (38) associé qu'elle déborde des deux côtés du rouleau (42).
  5. Machine de travail selon la revendication 3 ou 4, caractérisée en ce qu'au moins une et de préférence chacune des surfaces de support (46) est en forme de gouttière avec une surface formant fond (48) et avec des parois latérales (50) qui s'étendent de part et d'autre de bords perpendiculaires de la surface formant fond (48) par rapport à l'axe longitudinal du boulon d'articulation (38) obliquement vers le haut.
  6. Machine de travail selon l'une des revendications 3 à 5, caractérisée en ce que le ou les rouleaux (42) sont en matière plastique.
  7. Machine de travail selon l'une des revendications précédentes, caractérisée par un autre dispositif de support (52) sur lequel est supportée l'extrémité libre (30) du dernier bras de mat (26).
EP15744222.9A 2014-08-12 2015-07-30 Machine de travail Active EP3180485B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014215946.6A DE102014215946A1 (de) 2014-08-12 2014-08-12 Arbeitsmaschine
PCT/EP2015/067474 WO2016023759A1 (fr) 2014-08-12 2015-07-30 Machine de travail

Publications (3)

Publication Number Publication Date
EP3180485A1 EP3180485A1 (fr) 2017-06-21
EP3180485B1 EP3180485B1 (fr) 2018-05-02
EP3180485B2 true EP3180485B2 (fr) 2022-11-30

Family

ID=53761394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15744222.9A Active EP3180485B2 (fr) 2014-08-12 2015-07-30 Machine de travail

Country Status (9)

Country Link
US (1) US10047532B2 (fr)
EP (1) EP3180485B2 (fr)
JP (1) JP6691910B2 (fr)
KR (1) KR102301780B1 (fr)
CN (1) CN106922156B (fr)
BR (1) BR112017002495A2 (fr)
DE (1) DE102014215946A1 (fr)
TR (1) TR201807929T4 (fr)
WO (1) WO2016023759A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11039684B2 (en) * 2018-06-06 2021-06-22 Innovative Office Products, Llc Arm-based sit-stand workstation
DE102019107315B4 (de) * 2019-03-21 2022-05-12 Schwing Gmbh Großmanipulator
DE102022125209A1 (de) 2022-09-29 2024-04-04 Schwing Gmbh Großmanipulator

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409474C2 (de) 1984-03-15 1986-11-27 Maschinenfabrik Walter Scheele GmbH & Co KG, 4750 Unna-Massen Zusammenfaltbare Betonverteilereinrichtung
JPH0337299Y2 (fr) 1985-07-09 1991-08-07
JPS62140088U (fr) * 1986-02-25 1987-09-03
DE4203820C5 (de) * 1992-02-10 2011-01-13 Hudelmaier, Ulrike Fahrbare Betonpumpe
JP2576756Y2 (ja) * 1992-12-25 1998-07-16 株式会社加藤製作所 自走式クレーン
US5609261A (en) * 1995-09-19 1997-03-11 Hydra Tech, Inc. Pivotable boom rest and latch
JPH10236780A (ja) * 1997-02-24 1998-09-08 Ishikawajima Constr Mach Co ブーム付コンクリートポンプ車のブーム受装置
DE10032622A1 (de) * 2000-07-07 2002-01-17 Putzmeister Ag Stützausleger für fahrbare Arbeitsmaschinen und Autobetonpumpen mit solchen Stützauslegern
DE602004003372T2 (de) * 2003-05-12 2007-09-13 Putzmeister Inc., Sturtevant Fasergewickeltes verbundauslegerrohr
DE10328767A1 (de) * 2003-06-25 2005-01-20 Putzmeister Ag Fahrbare Betonpumpe mit Verteilermast
US7431221B2 (en) 2005-05-16 2008-10-07 Cnh Canada, Ltd. Lock assembly for a multiple stage folding boom assembly
US8016043B2 (en) 2009-02-10 2011-09-13 Cnh Canada, Ltd. Marker assembly having breakaway feature
TWM368005U (en) * 2009-06-25 2009-11-01 Chen Source Inc Swing arm structure for support rack
US9033165B2 (en) * 2011-02-09 2015-05-19 Oshkosh Corporation Crane assembly
CN202090612U (zh) * 2011-05-20 2011-12-28 徐工集团工程机械股份有限公司建设机械分公司 一种混凝土布料臂架及混凝土泵车
DE102011078783A1 (de) 2011-07-07 2013-01-10 Putzmeister Engineering Gmbh Verteilermast für Betonpumpen
DE102012215050A1 (de) 2012-08-24 2014-03-27 Putzmeister Engineering Gmbh Fahrbare Betonpumpe
CN102926543B (zh) * 2012-10-12 2015-10-21 杭州骐瑞机电设备有限公司 混凝土搅拌布料车
US9408379B2 (en) * 2013-10-08 2016-08-09 Agco Corporation Bi-directional break-away boom with roller and rotary damper

Also Published As

Publication number Publication date
KR20170041869A (ko) 2017-04-17
TR201807929T4 (tr) 2018-06-21
JP2017533356A (ja) 2017-11-09
WO2016023759A1 (fr) 2016-02-18
BR112017002495A2 (pt) 2017-12-05
CN106922156A (zh) 2017-07-04
CN106922156B (zh) 2019-06-28
EP3180485B1 (fr) 2018-05-02
DE102014215946A1 (de) 2016-02-18
JP6691910B2 (ja) 2020-05-13
KR102301780B1 (ko) 2021-09-14
US20170152669A1 (en) 2017-06-01
EP3180485A1 (fr) 2017-06-21
US10047532B2 (en) 2018-08-14

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