EP2057328B1 - Dispositif de transport de béton au moyen d'un mât distributeur de béton réglable en hauteur - Google Patents

Dispositif de transport de béton au moyen d'un mât distributeur de béton réglable en hauteur Download PDF

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Publication number
EP2057328B1
EP2057328B1 EP20070765660 EP07765660A EP2057328B1 EP 2057328 B1 EP2057328 B1 EP 2057328B1 EP 20070765660 EP20070765660 EP 20070765660 EP 07765660 A EP07765660 A EP 07765660A EP 2057328 B1 EP2057328 B1 EP 2057328B1
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EP
European Patent Office
Prior art keywords
concrete
climbing
distributing
column
distributing arrangement
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
EP20070765660
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German (de)
English (en)
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EP2057328A1 (fr
Inventor
Dietmar FÜGEL
Martin Mayer
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 Concrete Pumps 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.)
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Publication date
Application filed by Putzmeister Concrete Pumps GmbH filed Critical Putzmeister Concrete Pumps GmbH
Priority to PL07765660T priority Critical patent/PL2057328T3/pl
Publication of EP2057328A1 publication Critical patent/EP2057328A1/fr
Application granted granted Critical
Publication of EP2057328B1 publication Critical patent/EP2057328B1/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
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/32—Self-hoisting cranes
    • 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
    • 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 stationary concrete distributor arrangement according to the preamble of claim 1.
  • the present invention seeks to develop a concrete conveyor with height adjustable concrete boom, which allows a simplification of transport and easier handling in the course of climbing the building.
  • the solution according to the invention is based primarily on the idea that the handling of the climbing mast in the course of the climbing process can be facilitated by the fact that the concrete delivery line extending over the support column and / or the climbing device are sunk within the supporting leg contour but nevertheless positioned in an easily accessible manner.
  • the support column has at least one groove-shaped jacket depression extending in the longitudinal direction of the column, in which, in particular, the part of the delivery line extending over the support column can be recessed but easily accessible.
  • the two channel-shaped shell recesses are expediently arranged on diametrically opposite shell sides of the support column.
  • a preferred embodiment of the invention provides that the support column of at least two frontally releasably interconnected column sections is composed, which have in the region of the coupling point merging channel-shaped shell recesses.
  • the climbing mast expediently engages with its support column through apertures in the finished floor slabs which are adapted in the opening cross-section and have somewhat excess dimensions, and are supported in a height-adjustable manner at the boundary edges thereof.
  • strength-increasing metal plates can be placed on the breakthrough edge.
  • support pegs or support pins are provided on a special piece of climbing the support column, which can be supported by a climbing operation by lowering the support column on the next lower floor ceiling.
  • the invention provides that the support column or its columnar sections are designed as square tubes, and that the channel-shaped jacket recesses are formed in two opposite side surfaces of the square tubes.
  • the shell recesses may have a U- or V-shaped inner profile.
  • the concrete boom has a climbing device having a fixed to the support column climbing rail, a lower and an upper guided on the climbing rail guide carriage and supported between the lower and the upper guide carriage lifting mechanism, the lower Guide carriage has from the support column outwardly facing support member, while the lower and the upper guide carriage each have an optional engageable with the climbing rail locking member.
  • the climbing rail has a plurality of spaced-apart hole windows, that the locking member is pressed against the climbing rail and locks at the height of the hole window in this like a latch and there abuts with an upwardly facing stop edge against the upper hole window edge blocking.
  • the locking member engages under the action of a spring in one of the hole windows.
  • the lifting mechanism is designed as a hydraulic cylinder whose cylinder and piston rod are connected to the lower and the upper guide carriage.
  • the support member of the lower guide carriage is advantageously designed as a pivoting claw, which is selectively pivotally limited between a folded against the guide carriage displacement position and a outwardly projecting support position.
  • a further preferred embodiment of the invention provides that the climbing device comprises a arranged in the region of the upper end of the climbing rail tensioning mechanism which is connected via a tension member in operative connection with the guided along disengaged locking members along the climbing rails, interconnected by the lifting mechanism guide carriage.
  • a further preferred embodiment provides that at least one displaceable or pivotable between a displacement position and a support position supporting element is arranged on the lower column section.
  • the lowermost column section also expediently has downwardly projecting, releasably connectable coupling tabs with a bottom-fixed base.
  • the concrete boom can be moved gradually supported by supporting the Abstützorgans of the lower guide carriage on a floor ceiling and taking along the support column by the locked with his locking member in a hole window upper guide carriage upwards.
  • the Lifting mechanism engages the locking member of the lower guide carriage in a hole window, so that for the next lifting step of the lifting mechanism with the upper guide carriage can be moved back, while the support column is held by the lower guide carriage with its locking member. This process is repeated until the lower column section with its support element is located above the next floor slab and can be locked there while holding the support column.
  • the entire climbing device consisting of the two guide carriage and the lifting mechanism located therebetween can be pulled upwards through the opening of the relevant floor slab with the aid of the pulling mechanism along the climbing rail and supported there by exhibiting the supporting member located on the lower guide sled on this floor slab. From there, the next floor can be concreted.
  • the support column is wedged in the openings of the floor slabs against tilting and fixed.
  • height-adjustable concrete boom consists essentially of a support column 10, arranged at the upper end of the support column 10 slewing gear 12, designed as a buckling arm package 14 and over the height of the support column 10 to the arm package 14 guided, can be acted upon with liquid concrete delivery line 16.
  • the support column 10 has in the illustrated embodiment, three substantially square tubes trained as pillar parts 18,20 ', 20 ", which are rigidly connected at their front ends in alignment with each other on axially projecting tabs 22 by means of bolts 24 , shorter column section 18 forms a climbing piece, which is fixed at the beginning of the construction work on a base foot 26 in the region of a foundation plate 28.
  • the two longer column sections 20 ', 20 are placed one after the other.
  • a ladder element 30", 30 "'composed of a base ladder 30' and two catching cages is fixed, The ladder terminates in a working platform 32 located at the upper end of the support column 10.
  • the slewing gear 12 On which the arm package 14 is mounted, via which the delivery line 16 is guided to a terminal tube.
  • a special feature of the invention is that the support column 10 with its column sections 18,20 ', 20 "in the region of two opposing Side walls each having a groove in the longitudinal direction extending groove-shaped shell recess 36,38 having in the embodiment shown a V-shaped inner profile (see. Fig. 2 . 4 and 7d ).
  • One of the two shell recesses 36 is for receiving the assembled state, the delivery line 16 forming pipe sections 40 which are positioned on pipe supports 42 so that they are completely sunk into the shell recess 36 (see. Fig. 4 and 7d ).
  • the shell recesses 36,38 are also suitable for accommodating supply lines and, in the case of the lower longer columns lotie 20 ', to accommodate a climbing device 52 with elongated, provided with hole windows 44 climbing rail 46th
  • the distribution boom is at the start of construction with its support column 10 freestanding on the base foot 20 ( Fig. 1a and b ). From there, first two roofs 48, 48 "of the building are concreted in. In the shuttering, ceiling openings 50 ', 50" are introduced, through which the support column 10 passes. Alternatively, it is possible to prefabricate the two first covers 48 ', 48 "of the structure, for example by means of a truck-mounted concrete pump and put the two pre-assembled column sections 18,20' through the ceiling openings 50 ', 50" on the base base 20 and with this connect.
  • the upper column section 20 " on which the ladder 30 ', 30", 30 "' and at least a part of the working platform 32 have been previously attached, can then be placed on the upper edge of the column section 20 'and subsequently fitted with the arm package 14 In both cases, the third floor 48 "'is concreted from the base position.
  • the two first floors 48 ', 48 "ensure in the region of the openings 50', 50" that the support column 10 can be held in its vertical orientation. During the concreting of a new floor slab 48 "', the support column in the area of the openings 50', 50" is wedged with the floor slabs 48 ', 48 ".
  • the wedging is firstly released in the openings 50 ', 50 ", and the support column 10 is also separated from the base foot cross 20 before the first lifting step, after which the support column 10 is moved stepwise upwards over the respective lowest ceiling height 52, a arranged in a shell recess 38 of the column section 20 'climbing rail 46, a lower and an upper guided on the climbing rail 46 guide carriages 54,56 and arranged between the lower and the upper guide carriage, designed as a hydraulic cylinder lifting mechanism 58.
  • the lower Guide carriage 54 has a pivoting claw designed as a support member 60 which between a folded against the guide carriage down shift position ( Fig.
  • the lower and upper guide carriages 54, 56 have a pawl-like blocking element 62, 64, which can optionally be coupled to the climbing rail 46 in the region of the perforated windows 44.
  • the locking members 62,64 are pressed under the action of a spring 66 against the climbing rail, so that they engage in the hole windows 44 of the climbing rail 46 and can be supported there locking against the upper edge of the perforated window.
  • the climbing device with the lifting mechanism 58 and arranged on the guide carriage 54,56 locking members 62,64 allows a gradual lifting of the support column on the climbing rail 46th
  • guide plates 76 with rectangular notches 78 are fixed to the floor slabs at the break-through corners, at the notches of which the support column 10 is guided in its edge region.
  • the jacket depressions 36, 38 are offset somewhat inwards for this purpose, so that the jacket regions adjacent to the edges of the notches 78 are parallel to the Notches go (cf. Fig. 7b ).
  • the wedges 80 provided for the wedging of the support column 10 are also positioned ( Fig. 7a to d ).
  • the lower guide carriage is supported by means of its support member 60 at the respective lowest floor ceiling, while the upper guide carriage 56 engages with its locking member 62 in a hole window 44 of the climbing rail 46.
  • the lifting cylinder 58 of the lifting mechanism 58 is acted upon with pressure oil, so that the upper guide carriage 46 is moved with entrainment of the support column 10 upwards.
  • the locking member 64 of the lower guide carriage 54 engages in an adjacent hole window of the climbing rail under the action of the associated spring 66 and holds the support column in its raised position, while the upper guide carriage 46 via the lifting mechanism 58 back down is moved and there with his locking member 64 engages again in a hole window 44. Then another lifting step is triggered.
  • the support column is again wedged in the openings 50 ", 50"'of the ceiling 48 “, 48”' and the guide carriages 54,56 together with the lifting mechanism 58 of the climbing device by one floor through the opening 50 "of the floor ceiling 48" pulled up ( Fig. 7a to c).
  • the climbing device 52 has a trained in the embodiment shown as a winch tension mechanism 68 which is fixed in the upper region of the climbing rail 38 and is connected via a pull cable 70 in operative connection with the guide carriage 54,56 and the lifting mechanism 58.
  • the locking members 62,64 must be pulled into its pivoted position, which can be done against the force of the springs 66, for example via the pull cable 70 with a pivoting lever 74 located in the guide carriage ( Fig. 9a and b ).
  • the in the shell recess 58 of the associated column section 20 'sunk arranged guide carriage 54,56 including lifting mechanism 58 pass through the substantially rectangular openings 50', 50 ", 50"'of the floors through.
  • the support member 60 in the lower guide carriage 54 is folded down so that it also fits through the respective aperture. In the pulled-up end position the support member 60 is folded outwards again and lowered onto the floor slab.
  • the lifting mechanism for a new lifting of the concrete placing boom is ready as soon as the next floor slab is concreted with breakthrough ready.
  • the lifting process can be repeated as required until the last floor slab is completed.
  • the open ceiling openings 50 ', 50 ", 50"' are closed with a concrete cover.
  • the invention relates to an arrangement for conveying concrete for the production of multi-storey concrete structures.
  • the arrangement comprises a finished concrete building parts, for example, on floors 48 ', 48 ", 48"' height adjustable concrete boom, which has a support column 10, a slewing gear 12 and a preferably designed as articulated arm package 14, and with a height above the support column 10 supplied to the arm package 14, acted upon with liquid concrete delivery line 16 is equipped.
  • the support column 10 has at least one groove-shaped jacket depression 36, 38 extending in the longitudinal direction of the column, in which part of the delivery line 16 extending over the support column 10 and / or or an elongated part of the climbing device 52 can be arranged sunk.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)

Claims (15)

  1. Dispositif stationnaire de distribution de béton, avec un mât grimpant qui présente une colonne porteuse (10) destinée à recevoir une conduite de transport de béton (16), caractérisé en ce que la colonne porteuse (10) présente au moins deux parties de colonne (18, 20', 20"), réalisées sous forme de tuyaux quatre-pans et mutuellement reliées de manière amovible sur leurs côtés frontaux, parties qui sont pourvues, sur deux faces latérales diamétralement opposées, d'évidements superficiels (36, 38) en forme de conduits s'étendant dans la direction longitudinale de la colonne, destinés à recevoir des éléments fonctionnels (16, 46) s'étendant en longueur, sachant que la conduite de transport de béton est reçue dans un des évidements superficiels.
  2. Dispositif de distribution de béton selon la revendication 1, caractérisé en ce qu'au moins un des évidements superficiels (36, 38) présente un profil intérieur en forme de U ou de V.
  3. Dispositif de distribution de béton selon la revendication 1 ou 2, caractérisé en ce que des éléments de maintien (42), destinés à fixer en position la conduite de transport de béton (16), sont disposés en renfoncement dans un des évidements superficiels (36, 38).
  4. Dispositif de distribution de béton selon l'une des revendications 1 à 3, caractérisé en ce qu'un rail grimpant (46), s'étendant en longueur, d'un dispositif de coffrage grimpant est disposé en renfoncement dans un des évidements superficiels (36, 38).
  5. Dispositif de distribution de béton selon la revendication 4, caractérisé en ce que le dispositif de coffrage grimpant (52) présente un rail grimpant (46) fixé sur la colonne porteuse (10), un chariot de guidage inférieur (54) et un chariot de guidage supérieur (56), guidés sur le rail grimpant (46), et un mécanisme de levage (58) soutenu entre le chariot de guidage inférieur et le chariot de guidage supérieur, en ce que le chariot de guidage inférieur (54) présente un organe de soutien (60) dirigé depuis la colonne porteuse (10) vers l'extérieur, et en ce que le chariot de guidage inférieur (54) et le chariot de guidage supérieur (56) présentent chacun un organe de verrouillage (62, 64) pouvant être sélectivement accouplé au rail grimpant (46).
  6. Dispositif de distribution de béton selon la revendication 5, caractérisé en ce que le rail grimpant (46) présente plusieurs ouvertures de fenêtres (44) disposées à distance entre elles, et en ce que les organes de verrouillage sont pressés contre le rail grimpant (46) et peuvent être enclenchés dans ses ouvertures de fenêtres (44), en s'appliquant alors avec verrouillage contre le bord supérieur de l'ouverture de fenêtre.
  7. Dispositif de distribution de béton selon la revendication 5 ou 6, caractérisé en ce que les organes de verrouillage (62, 64) peuvent être enclenchés dans les ouvertures de fenêtres sous l'action d'un ressort (66).
  8. Dispositif de distribution de béton selon l'une des revendications 5 à 7, caractérisé en ce que le mécanisme de levage (58) est réalisé sous forme de vérin hydraulique, dont le cylindre et la tige de piston sont respectivement accouplés à un des chariots de guidage (54, 56).
  9. Dispositif de distribution de béton selon l'une des revendications 5 à 8, caractérisé en ce que l'organe de soutien (60) réalisé sous forme de griffe pivotante peut être sélectivement pivoté de façon limitée entre une position de déplacement rabattue de préférence vers le bas contre le chariot de guidage, et une position de soutien en saillie vers l'extérieur.
  10. Dispositif de distribution de béton selon l'une des revendications 5 à 9, caractérisé en ce que le dispositif de coffrage grimpant (52) comprend un mécanisme de traction (68) disposé dans la région de l'extrémité supérieure du rail grimpant (46), mécanisme qui, par l'intermédiaire d'un organe de traction (70), est fonctionnellement relié aux chariots de guidage (54, 56), mutuellement reliés par le mécanisme de levage (58) et guidés le long du rail grimpant (46) lorsque les organes de verrouillage (62, 64) sont désenclenchés.
  11. Dispositif de distribution de béton selon la revendication 10, caractérisé en ce que le mécanisme de traction (68) est réalisé sous forme d'engin de traction-levage, en particulier sous forme de treuil à câble ou sous forme de palan.
  12. Dispositif de distribution de béton selon l'une des revendications 1 à 11, caractérisé en ce qu'au moins un élément de soutien (90), mobile en translation ou en pivotement par rapport à la colonne porteuse (10) entre une position de déplacement et une position de soutien, est disposé sur une partie la plus basse (18) de la colonne, réalisée sous forme d'élément grimpant.
  13. Dispositif de distribution de béton selon l'une des revendications 1 à 12, caractérisé en ce que la partie la plus basse (18) de la colonne présente des pattes d'accouplement (22) dirigées vers le bas, qui peuvent être reliées de manière amovible à un socle en croix (26) fixé au sol.
  14. Dispositif de distribution de béton selon l'une des revendications 1 à 13, caractérisé en ce que la colonne porteuse fait partie d'un mât distributeur de béton réglable en hauteur, qui présente un dispositif de rotation (12) et un ensemble de bras (14) réalisé sous forme de flèche articulée, et en ce que la conduite de transport de béton (16) est guidée sur la hauteur de la colonne porteuse (10) vers l'ensemble de bras (14) et au-delà de l'ensemble de bras.
  15. Dispositif de distribution de béton selon la revendication 14, caractérisé en ce que le mât distributeur de béton, par sa colonne porteuse (10), traverse des ouvertures (50', 50", 50"') dans les planchers d'étages achevés (48', 48", 48"') et est guidé par des tôles de guidage fixées dans les coins des ouvertures.
EP20070765660 2006-08-28 2007-06-27 Dispositif de transport de béton au moyen d'un mât distributeur de béton réglable en hauteur Active EP2057328B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07765660T PL2057328T3 (pl) 2006-08-28 2007-06-27 Układ podawania betonu z masztem o regulowanej wysokości do rozprowadzania betonu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006040092A DE102006040092A1 (de) 2006-08-28 2006-08-28 Anordnung zum Fördern von Beton mit höhenverstellbarem Betonverteilermast
PCT/EP2007/056405 WO2008025582A1 (fr) 2006-08-28 2007-06-27 Dispositif de transport de béton au moyen d'un mât distributeur de béton réglable en hauteur

Publications (2)

Publication Number Publication Date
EP2057328A1 EP2057328A1 (fr) 2009-05-13
EP2057328B1 true EP2057328B1 (fr) 2010-03-24

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Country Link
US (1) US8109291B2 (fr)
EP (1) EP2057328B1 (fr)
KR (1) KR101240032B1 (fr)
CN (1) CN101512082B (fr)
AT (1) ATE462055T1 (fr)
BR (1) BRPI0715940A2 (fr)
DE (2) DE102006040092A1 (fr)
EA (1) EA014347B1 (fr)
ES (1) ES2340630T3 (fr)
MX (1) MX2009002128A (fr)
PL (1) PL2057328T3 (fr)
UA (1) UA95973C2 (fr)
WO (1) WO2008025582A1 (fr)
ZA (1) ZA200900474B (fr)

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FR1305537A (fr) * 1961-08-22 1962-10-05 Potain & Cie Ets F Perfectionnements aux grues à mât réglable en hauteur à l'intérieur d'un bâtiment
GB964058A (en) * 1961-10-24 1964-07-15 Hilgers Ag An improved safety device for cranes
GB994728A (en) * 1963-08-07 1965-06-10 Novelle D Exalditation Des Ets Telescopic tower crane
DE2042338A1 (de) * 1970-08-26 1972-03-02 Reich Fa Wilhelm Kletterkran
DE7207104U (de) * 1972-02-25 1976-01-02 Hochtief Ag Fuer Hoch- Und Tiefbauten Vorm. Gebr. Helfmann, 4300 Essen Vorrichtung zum verteilen von beton im zuge der errichtung von hochbauten
FR2255251B1 (fr) * 1973-12-20 1976-11-19 Creusot Loire
JPH0390777A (ja) * 1989-09-01 1991-04-16 Taisei Corp コンクリート打設方法及び装置
DE4200669A1 (de) * 1992-01-14 1993-07-15 Putzmeister Maschf Anordnung zum foerdern von beton mit hoehenverstellbarem betonverteilermast
US6226955B1 (en) * 1998-12-28 2001-05-08 Jerry L. Lorrigan Method and apparatus for handling building materials and implements
US6142180A (en) * 2000-04-12 2000-11-07 Woodling; Roger M. Crane-mounted concrete pump apparatus
DE10112086A1 (de) * 2001-03-12 2002-09-26 Putzmeister Ag Verteilervorrichtung für Dickstoffe
CN2483472Y (zh) * 2001-06-18 2002-03-27 大连佳云高层建筑机械有限公司 动、平臂起重带倒节爬升塔式起重混凝土布料两用机
US6588448B1 (en) * 2002-01-07 2003-07-08 Glazer Enterprises, Inc. Telescopic boom-mounted concrete pump apparatus
CN1666948A (zh) * 2005-01-21 2005-09-14 魏纯玉 内爬升多钩塔式起重机和深矿井绞车

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EP2057328A1 (fr) 2009-05-13
BRPI0715940A2 (pt) 2013-02-05
DE102006040092A1 (de) 2008-03-06
ATE462055T1 (de) 2010-04-15
PL2057328T3 (pl) 2010-08-31
ES2340630T3 (es) 2010-06-07
ZA200900474B (en) 2009-12-30
WO2008025582A1 (fr) 2008-03-06
EA200970229A1 (ru) 2009-06-30
DE502007003239D1 (de) 2010-05-06
EA014347B1 (ru) 2010-10-29
US20090252575A1 (en) 2009-10-08
KR101240032B1 (ko) 2013-03-06
UA95973C2 (ru) 2011-09-26
US8109291B2 (en) 2012-02-07
MX2009002128A (es) 2009-05-28
CN101512082A (zh) 2009-08-19
KR20090046788A (ko) 2009-05-11
CN101512082B (zh) 2011-11-23

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