EP2880229B1 - Betonverteilermast für betonpumpen - Google Patents

Betonverteilermast für betonpumpen Download PDF

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Publication number
EP2880229B1
EP2880229B1 EP13739458.1A EP13739458A EP2880229B1 EP 2880229 B1 EP2880229 B1 EP 2880229B1 EP 13739458 A EP13739458 A EP 13739458A EP 2880229 B1 EP2880229 B1 EP 2880229B1
Authority
EP
European Patent Office
Prior art keywords
side wall
boom
concrete
hollow chamber
flange
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.)
Not-in-force
Application number
EP13739458.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2880229A1 (de
Inventor
Ciprian DAVID
Michael Neubert
Peter HASEL
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
Application filed by Putzmeister Engineering GmbH filed Critical Putzmeister Engineering GmbH
Publication of EP2880229A1 publication Critical patent/EP2880229A1/de
Application granted granted Critical
Publication of EP2880229B1 publication Critical patent/EP2880229B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E04G21/0427—Devices for both conveying and distributing with distribution hose on a static support, e.g. crane
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/8807—Articulated or swinging flow conduit

Definitions

  • the invention relates to a concrete distribution mast for stationary and mobile concrete pumps with a plurality of articulated joints connected to articulated joints and a plurality of, preferably via pipe bends and rotary joints articulated interconnected, guided along the individual mast arms and attached to these pipe segments existing concrete delivery line.
  • Known concrete distributor masts have mast arms that are designed with a closed box or tube profile ( DE 196 44 410 A1 ). With such a box or tube profile can be for the mast arms ensure good stability and torsional stiffness at relatively low weight.
  • a box or tube profile has the disadvantage that a concrete delivery line, which is arranged in the interior of such a profile, can be made accessible only with considerable design effort to allow maintenance of the concrete delivery line. But if the concrete delivery line out of the mast arms, so elaborate pipe holder are required to hold the concrete delivery line to the mast arms. These tube holders cause additional weight, which must be taken into account when designing concrete distributor masts.
  • DE 22 05 922 A1 discloses a concrete placing boom according to the preamble of claim 1.
  • the object of the invention is to provide a concrete placing boom which has a good stability and torsional rigidity with a simultaneously low dead weight.
  • a concrete placing boom according to claim 1 wherein at least one of the mast arms has a hollow chamber profile which has at least two mutually separated by a partition elongated hollow chambers, of which at least one closed and one is circumferentially open, and wherein the pipe segment associated with the respective mast arm is disposed on the opening side outside, partly inside or inside the open hollow chamber.
  • the invention is based on the idea that a mast arm, which has a box profile, d. H. having a rectangular cross-section, can be produced inexpensively from a technical point of view by joining belt plates and side wall or web plates with a very high stability by the respective sheets are welded.
  • An idea of the invention is also that a closed profile offers the advantage that the mast arm can be painted with little effort and rust problems are avoided due to penetrating water.
  • a designed as a box mast arm can be made especially cranked with low production effort, d. H. to its sides simply or even angled several times. In a concrete placing boom, this offset is required on certain boom arms so that they can be moved past each other during operation.
  • the concrete conveyor line accommodated on a mast arm and the angled design of the mast arms mean that the mast arms in a concrete placing mast are subjected to considerable torsional moments. These torsional moments are high in conventional concrete boom also because the boom construction of the tube holder increases these moments.
  • An idea of the invention is therefore to adapt the cross section of the mast arms in a concrete placing boom to the local load of a mast arm. According to the invention it is therefore proposed to engage at least one of the side walls in a box-shaped mast arm for a concrete placing boom. Thus, a circumferentially open cavity is created as an additional space for the concrete delivery line, so that the concrete delivery line can be performed closer to the mast arm. With these measures In particular, it is possible to reduce the lever forces with which the load of the concrete delivery line acts via the tube holders on a mast arm.
  • the mast arm having the hollow section profile is designed as a box with a top chord and a bottom chord having a first side wall which is engaged relative to the top chord and the bottom chord and which has a second side wall spaced from the first side wall, wherein the upper belt and the lower belt with the first side wall and the second side wall define the at least one closed hollow chamber, and the first side wall with the upper belt and the lower belt form the circumferentially open hollow chamber.
  • This circumferentially open hollow chamber can, for. B. have a trapezoidal, in particular rectangular but also a triangular cross-section.
  • the second side wall may be arranged indented relative to the upper flange and the lower flange and thus define a further circumferential hollow chamber.
  • the cross section of this further circumferentially open hollow chamber may be trapezoidal, in particular rectangular but also triangular.
  • the upper belt and the lower belt are preferably parallel to each other.
  • the first side wall and / or the second side wall is perpendicular to the upper belt and / or the lower belt. In order to optimize the torsional load curve in a mast arm, it is advantageous if the distance of the first side wall from the second side wall is varied over the mast arm.
  • top flange and / or the bottom flange in a mast arm according to the invention can also protrude differently over the side wall of a mast arm in different areas, ie the top chord and / or the bottom chord can have a belt edge extending from the first side wall and / or the second side wall the longitudinal direction of the mast arm has different distances.
  • the first side wall and / or the second side wall may have a connection part which can be preassembled on the upper belt and / or the lower belt.
  • a connection part which can be preassembled on the upper belt and / or the lower belt.
  • a reduction in torsional loading of a cranked boom can be achieved, in particular, when the concrete conveyor line in the cranked section is passed from one side of the boom through the first sidewall and through the second sidewall to the opposite side of the boom.
  • the concrete delivery line is fixed with one or more tube holders on the first side wall or the second side wall and may be partially disposed within or within the open hollow chamber.
  • a mast arm with a hollow chamber profile may at least partially made of fiber-reinforced plastic (fiber composite plastic) or made of metal.
  • the truck-mounted concrete pump 10 in Fig. 1 has a chassis 12 with a substructure 14 which carries a concrete distributor mast 18.
  • the concrete placing mast 18 is received on the substructure 14 on a mast block 16 and has pivots 34, 34 ', 34 "and 34"' in which the mast arms 22, 22 ', 22 "and 22"' can be moved about a horizontal axis of rotation ,
  • the concrete spreader mast 18 is formed with a concrete delivery line 20 having bends 50 and tube segments 30 which are hinged together with tube couplings 32 and rotary joints 52.
  • the Fig. 2 shows the mast arm 22 along the line II-II in Fig. 1 as a cut.
  • the mast arm 22 has a hollow chamber profile which has a closed, elongated hollow chamber 24 and has a circumferentially open hollow chamber 26 which extends in the longitudinal direction.
  • the hollow chamber profile of the mast arm 22 is designed as a box having a top flange 28 and a bottom flange 36 has.
  • the box has a first sidewall 38 and a second sidewall 40.
  • the first sidewall 38 is a dividing wall in the hollow chamber profile.
  • the upper flange 28 and the lower flange 36 are parallel to each other, wherein the first side wall and / or the second side wall are perpendicular to the upper flange and / or the lower flange.
  • the first side wall 38 is positioned back.
  • the mast arm 22 associated pipe segment 30 in the concrete placing boom 18 is disposed outside of the hollow chamber 26 on the opening side. It should be noted, however, that in principle it is also possible to arrange the tube segments 30 of the concrete delivery line 20 partly within or also entirely within the open hollow chamber 26.
  • the tube segment 30 is held with a tube holder 42 which projects into the hollow chamber 26 and is fixed to the first side wall 38.
  • the Fig. 3 shows a portion of another mast arm 62 for a concrete boom with a concrete delivery line 80.
  • the mast arm 62 has a hollow section profile that has a closed, elongated hollow chamber 64 and includes two longitudinally extending circumferentially open hollow chambers 66,68.
  • the hollow chamber profile of the mast arm 62 is designed as a box having a top flange 70 and having a bottom flange 72.
  • the box has a first sidewall 74 and a second sidewall 76.
  • the two sidewalls 74, 76 are partitions in the hollow chamber profile.
  • the upper flange 28 and the lower flange 36 are parallel to each other, with the first side wall 74 and / or the second side wall 76 perpendicular to the upper flange 70 and the lower flange 72.
  • the mast arm 62 has a cranked portion 78.
  • the concrete delivery line 80 is fixed to the mast arm 62 with the tube holders 82,84 on the first side wall 74 and held with the tube holders 86,88 on the second side wall 76.
  • the concrete delivery line is passed from one side of the mast arm 62 through the first side wall 74, the closed hollow chamber 64 and through the second side wall 76 to the opposite side of the mast arm 62.
  • the distance A of the first side wall 74 from the second side wall 76 is constant.
  • the distance between the first side wall 74 and the second side wall 76 decreases.
  • B the distance between the first side wall 74 and the second side wall 76.
  • the Fig. 4 shows the Torsionsbelastung T introduced by the load of the concrete conveyor line 80 in the mast arm 62 with respect to the line 90 of the common centroid of the upper and lower chord 70,72 in the Mastarmabites 92.
  • the side walls 74,76 are designed for connection to the upper flange 70 and the lower flange 72 with a connecting structure.
  • This connection structure is designed so that in the engaged position of the side walls 74,76 a high-quality connection with the upper and lower chord 70,72 is made possible.
  • the sections of the side walls 74,76 are then fixed to this connecting structure by screwing or welding.
  • the Fig. 5 shows an alternative to the mast arm 22 constructed another mast arm 122 for a concrete placing boom in one of the view of Fig. 2 appropriate cut.
  • the mast arm 122 has a hollow chamber profile, which has a closed, elongated hollow chamber 124 and has a circumferentially open hollow chamber 126 which extends in the longitudinal direction.
  • the hollow chamber profile of the mast arm 122 is also designed as a box having a top flange 128 and a bottom flange 136 has.
  • the box has a first side wall 138 and a second side wall 140.
  • the upper flange 128 and the lower flange 136 are parallel to each other, with the first side wall and / or the second side wall 138, 140 perpendicular to the upper and / or lower chords.
  • the first side wall 138 is positioned rearwardly with respect to the lower flange 136 and has the distance D U1 from the belt edge 137 on the side of the first side wall 138.
  • the belt edge 129 of the upper belt 128 has the distance D on the side of the first side wall 138 O1 ⁇ D U1 .
  • the first side wall 138 is a partition wall in the hollow chamber profile.
  • the second side wall 140 is a partition wall in the hollow chamber profile.
  • the second side wall 140 is positioned recessed with respect to the upper flange 128 and has the distance D O2 from the belt edge 131 on the side of the first side wall 138.
  • the belt edge 139 of the lower belt 136 has the distance D U2 on the side wall 140 side ⁇ D O2 .
  • the upper flange 128 and the lower flange 136 form with the first side wall 138 a circumferentially open hollow chamber 126, which has a convex trapezoid trained cross-section 127 has.
  • the upper flange 128 and the lower flange 136 define a further hollow chamber 148 with a cross section 154 in the form of a convex trapezoid, which is likewise open circumferentially.
  • the mast arm 122 associated pipe segment 130 of the concrete conveyor line in the concrete distribution boom 118 is disposed outside of the hollow chamber 126 on the opening side and fixed with one or more pipe holders 142 on the first side wall 138. It should be noted, however, that in principle it is also possible to arrange the pipe segments 130 of the concrete delivery line partially within or also entirely within the open hollow chamber 126. In addition, it is possible to arrange the tube segments of the concrete delivery line on the side of the circumferentially open hollow chamber 148 of the mast arm 122, both within and only partially within or outside of the circumferentially open hollow chamber 148th
  • the first side wall 138 may be flush with the top flange 128 or the second side wall 140 with the bottom flange 136.
  • the cross-section 127 of the circumferentially open hollow chamber 126 has the shape of a right-angled triangle. The same applies to the circumferentially open hollow chamber 148th
  • Fig. 6 to Fig. 8 show to the mast arm 22 alternatively constructed further mast arms 122 ', 122 "and 122"' for a concrete placing boom in one of the view of Fig. 2 appropriate cut.
  • Fig. 5 to Fig. 9 are functionally corresponding elements in the Fig. 5 to Fig. 9 indicated by the same numbers as reference numerals.
  • the belt edge 137 '' of the lower belt 136 '' and the belt edge 129 '' of the upper belt here has the distance D U2 ⁇ D O2 of the second side wall 140 ''.
  • the Fig. 9 shows one to the mast arm 22 in Fig. 2 alternatively constructed another mast arm 222, which has a hollow chamber profile designed as a box with a circumferentially open hollow chamber and with a first and a second side wall 238, 240 has.
  • the belt edge 237 of the upper girth over the longitudinal direction has the varying distance D O1 from the first side wall 238 corresponding to the values D O1 (1) , D O1 (2) , D O1 (3) .
  • the distance between the belt edge 231 of the upper belt and the second side wall 240 along the longitudinal direction is constant here.
  • the distance D U1 of the belt edge of the lower belt on the side of the first side wall 238 or only the distance D U1 of the belt edge of the lower belt along the longitudinal direction of the mast arm 222 have different values.
  • the upper flange and the lower flange with a first and a second side wall 338, 340 likewise form a hollow chamber profile designed as a box, in which case the distance D U2 or D O2 from the belt edge 331 of the upper belt of the second side wall 340 over the longitudinal direction of the mast arm 322 different values D O2 (1) , D O2 (2) , D O2 (3) ... has.
  • the distance D U1 or D O1 of the belt edge 337 of the lower chord or upper chord on the side of the first side wall 338, the distance D U1 of the belt edge 331 of the lower chord on the Side of the second side wall 340 or only the distance D U1 of the belt edge of the lower chord along the longitudinal direction of the mast arm 322 may have different values.
  • hollow chamber profiles of the above-described mast arms can not only consist of metal, but at least partially of fiber composite plastic.
  • a concrete distributor mast 18 for stationary and mobile concrete pumps has a plurality of joints 34 with each other connected mast arms 22 and one of a plurality of, preferably via pipe bends 50 and rotary joints 52 hingedly interconnected, along the individual mast arms 22 guided and attached to these pipe segments 30 existing concrete conveyor line 20.
  • At least one of the mast arms 22 has a hollow section, the at least two by a Partition 40 has separate hollow chambers 24,26, of which at least one closed 24 and 26 is circumferentially open.
  • the pipe arm 30 assigned to the relevant boom arm 22 is arranged on the opening side outside, partially inside or inside the open hollow chamber 26.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP13739458.1A 2012-08-02 2013-07-23 Betonverteilermast für betonpumpen Not-in-force EP2880229B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012213729.7A DE102012213729A1 (de) 2012-08-02 2012-08-02 Betonverteilermast für Betonpumpen
PCT/EP2013/065468 WO2014019885A1 (de) 2012-08-02 2013-07-23 Betonverteilermast für betonpumpen

Publications (2)

Publication Number Publication Date
EP2880229A1 EP2880229A1 (de) 2015-06-10
EP2880229B1 true EP2880229B1 (de) 2016-09-07

Family

ID=48808378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13739458.1A Not-in-force EP2880229B1 (de) 2012-08-02 2013-07-23 Betonverteilermast für betonpumpen

Country Status (8)

Country Link
US (1) US9512628B2 (enExample)
EP (1) EP2880229B1 (enExample)
JP (1) JP6031605B2 (enExample)
KR (1) KR20150033720A (enExample)
CN (1) CN104641058B (enExample)
BR (1) BR112015001930A2 (enExample)
DE (1) DE102012213729A1 (enExample)
WO (1) WO2014019885A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014200396A1 (de) * 2014-01-13 2015-07-30 Putzmeister Engineering Gmbh Autobetonpumpe und Schutzschaltung dafür
DE102014215947A1 (de) * 2014-08-12 2016-03-03 Putzmeister Engineering Gmbh Hohlkörper
DE102018204079A1 (de) * 2018-03-16 2019-09-19 Putzmeister Engineering Gmbh Autobetonpumpe und Verfahren zur stabilitätsrelevanten Steuerung einer Autobetonpumpe
CN114517578B (zh) * 2020-11-20 2023-04-28 三一汽车制造有限公司 作业车辆
CN114517580B (zh) * 2020-11-20 2024-03-08 三一汽车制造有限公司 臂架装置及作业车辆

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT946523B (it) * 1972-01-13 1973-05-21 Worthington Soc Italiana Pompe Complesso pompante autocarrato per il getto di calcestruzzo in parti colare nella costruzione di galle rie e procedimento di getto della calotta di gallerie particolarmen te attuabili mediante il detto complesso
US3942554A (en) * 1974-04-19 1976-03-09 Werner Corporation Extendable crane with folding conduit
DE3013450A1 (de) * 1980-04-05 1981-10-08 Stetter Gmbh, 8940 Memmingen Verteilermast einer betonpumpe
US4828033A (en) * 1981-06-30 1989-05-09 Dowell Schlumberger Incorporated Apparatus and method for treatment of wells
US4519768A (en) * 1982-10-29 1985-05-28 Takenaka Komuten Co., Ltd. Apparatus for horizontally casting concrete
DE19641789C1 (de) * 1996-10-10 1998-07-16 Korthaus Ernst Betonverteilersystem für Transportbeton
DE19644410A1 (de) 1996-10-25 1998-04-30 Putzmeister Ag Betonverteilermast für Betonpumpen
JP3678592B2 (ja) * 1998-11-12 2005-08-03 極東開発工業株式会社 ブーム装置における伸縮シリンダ取付構造
US6786233B1 (en) * 2001-02-23 2004-09-07 Schwing America, Inc. Boom utilizing composite material construction
DE102006040092A1 (de) * 2006-08-28 2008-03-06 Putzmeister Ag Anordnung zum Fördern von Beton mit höhenverstellbarem Betonverteilermast
ITUD20070169A1 (it) * 2007-09-19 2009-03-20 Cifa Spa Procedimento per la realizzazione di un braccio di distribuzione di calcestruzzo, e braccio cosi' ottenuto
CN201321722Y (zh) * 2008-12-23 2009-10-07 赵光辉 新型混凝土布料杆

Also Published As

Publication number Publication date
JP6031605B2 (ja) 2016-11-24
US20150136266A1 (en) 2015-05-21
BR112015001930A2 (pt) 2017-07-04
DE102012213729A1 (de) 2014-02-06
KR20150033720A (ko) 2015-04-01
JP2015527510A (ja) 2015-09-17
WO2014019885A1 (de) 2014-02-06
CN104641058B (zh) 2016-09-28
CN104641058A (zh) 2015-05-20
US9512628B2 (en) 2016-12-06
EP2880229A1 (de) 2015-06-10

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