EP2729645B1 - Mât distributeur pour des pompes à béton - Google Patents

Mât distributeur pour des pompes à béton Download PDF

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Publication number
EP2729645B1
EP2729645B1 EP12727373.8A EP12727373A EP2729645B1 EP 2729645 B1 EP2729645 B1 EP 2729645B1 EP 12727373 A EP12727373 A EP 12727373A EP 2729645 B1 EP2729645 B1 EP 2729645B1
Authority
EP
European Patent Office
Prior art keywords
boom
arm
axis
rotary head
distributing
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
EP12727373.8A
Other languages
German (de)
English (en)
Other versions
EP2729645A1 (fr
Inventor
Michael Neubert
Matthias Braun
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 EP2729645A1 publication Critical patent/EP2729645A1/fr
Application granted granted Critical
Publication of EP2729645B1 publication Critical patent/EP2729645B1/fr
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
    • 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
    • E04G21/0445—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • 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 distribution boom for stationary or mobile concrete pumps of the type specified in claim 1.
  • Known distribution booms of this type consist essentially of a rotatable about a rotational axis formed as a vertical axis rotary head and a composite of several relatively pivotable or telescopic mast arms arm package.
  • the arm package is hinged at one end of the first mast arm on the turret and by means of a hinged at each pivot point of the turret and the first mast arm cylinder / piston unit about a horizontal bending axis between a substantially horizontally oriented Einfaltwolf and a working position.
  • the distribution boom serves in a concrete pump as a carrier for a concrete delivery line.
  • Liquid concrete which is continuously introduced into a material feed container during concreting, is conveyed to a concreting location remote from the location of the vehicle via the concrete delivery line.
  • the arrangement of the boom arms of the arm package and arranged between these joints is coordinated so that the distribution boom can be stored in its Einfaltwolf saving space on an associated substructure or chassis.
  • By activating the drive units between the boom arms of the transfer boom can be brought into its working position in which the mast tip can be passed with a hose end over the area to be concreted.
  • the arm package If the arm package is in a horizontally stretched position, the highest load moment results from the arm's own weight, Operating load and maximum center of gravity distance to the first bending axis.
  • the cylinder / piston unit in question must therefore apply the highest force in this position in order to carry the stretched arm package. If the arm package is brought into the vertical, with each increase in the angle of attack, the center of gravity distance of the arm package is reduced to the first bending axis. The same applies if the individual mast arms are moved towards the turret. As a result, the cylinder force of the first cylinder / piston unit decreases and, at a certain center of gravity distance, relative to the cylinder engagement point, a force level is reached from which a reduction of the cylinder diameter would be possible in principle.
  • the present invention seeks to develop a distribution mast, the first mast arm can be lifted after exceeding a defined pivoting of the hubunter spanden element, so that from this angular position of only the attacking residual load of the arm package by the first cylinder / piston unit will be carried.
  • the solution according to the invention is essentially seen in that at least one of its Einfalt ein effective over a defined pivoting attack Hubunter spandes element acts on the first mast arm, which is either hinged to the turret and against a contact point on the first mast arm loosely or articulated on the first mast arm and loosely against a contact point on the turret.
  • the stroke-supporting element supports the first cylinder / piston unit, especially in the high-load range with a horizontally stretched arm package.
  • the Hubunter 100nde element is expediently a compressive force element, for example, as between a turret side and a mastarm Schoen Contact point effective hydraulic cylinder can be formed.
  • compression springs instead of the hydraulic cylinder, which are arranged between a turret-side and a mastarm Schoen contact point.
  • the compression springs offer the advantage that in the existing hydraulic circuit no additional control must be introduced and the arrangement can be made easier and cheaper. Since the Hubunterstützung is required only in a certain angle range with high load torque, the stroke supporting element forming actuator must be performed with a separation point. Appropriately, this is a contact point, which produces a frictional connection.
  • the first cylinder / piston unit carries the entire weight of the arm package independently.
  • the cylinder / piston unit must be designed.
  • the stroke-supporting element must be dimensioned such that it applies the required differential force to support the stretched arm package.
  • the at least one hub-supporting element is set along the defined pivoting path to the fold-in position in a prestressed state.
  • a further preferred embodiment of the invention provides that the bending axis of the first mast arm is arranged eccentrically to the axis of rotation of the rotary head on the opposite side of the axis of rotation of the tip of the first mast arm in its Einfalt ein arranged substantially perpendicular to the axis of rotation. Furthermore, it has proved to be advantageous if the turret-side joint of the cylinder / piston unit is arranged eccentrically to the axis of rotation of the turret on the same side as the bending axis.
  • the distributor boom according to the invention is preferably used as a carrier for a concrete delivery line in a stationary or mobile concrete pump, wherein the turret is rotatably mounted on a substructure or a frame of the concrete pump about its axis of rotation and wherein the guided over the distribution mast conveyor line is connected to the pressure output of a frame fixedly arranged pump unit.
  • truck concrete pump comprises a transport vehicle 10, a designed for example as a two-cylinder piston pump pump unit 12 for liquid concrete and a distribution boom 14 as a support for a conveyor line 16.
  • a transport vehicle 10 a designed for example as a two-cylinder piston pump pump unit 12 for liquid concrete and a distribution boom 14 as a support for a conveyor line 16.
  • About the conveyor line 16 is in the working position of the Verteilermasts 14 liquid concrete to one of the location of the vehicle 10 away promoted arranged concreting.
  • the distribution boom 14 consists of a about a vehicle fixed, designed as a vertical axis of rotation 18 rotatable, a turntable 20 having rotary head 22 and a plurality of relatively mutually pivotable arms 1, 2, 3, 4 composite arm package 24, which via a pivot point 26 to the end its first mast arm 1 hinged to the turret 22 and by means of a hinged at their ends to articulation points 28, 30 of the rotary head 22 and the first mast arm 1 cylinder / piston unit 32 about a horizontal bending axis A between a substantially horizontally oriented Einfalt ein and a working position is pivotable ,
  • the bending axes A, B, C, D and the mast arms 1, 2, 3, 4 the arm package 24 are coordinated in their dimensions and kinematics so that the distributor boom 14 in the unfolded position with a space-saving transport configuration on the transport vehicle 10 can be placed.
  • the cylinder / piston unit 32 is formed as well as the drive units between the other boom arms as a hydraulic cylinder.
  • the drive units which are assigned to the buckling axes A, B, C, D individually, the distribution boom at different distances and / or height differences between the concreting and the vehicle location is deployable.
  • the pump driver controls z. B. by means of a radio remote control the mast movement through which the mast tip is passed with its end hose over the area to be concreted.
  • the bending axis A of the first boom arm 1 is arranged so eccentric to the axis of rotation 18 of the rotary head 22 that it is arranged in the fold-in position on the cab 34 side facing the axis of rotation 18.
  • the buckling axis A is in the embodiment shown radially outside of the rotary head 22 limiting turntable 20. With this measure, a load torque reduction in the region of the rotary head 22 is achieved at a given Verteilermastin.
  • a peculiarity of the invention is that on the first boom arm 1, two stroke-supporting elements 36 effective from its fold-in position over a defined pivoting range engage.
  • the hub-supporting elements 36 support the cylinder / piston unit 32, especially in the high load range with horizontally stretched arm package 24.
  • the hubunter spanden elements 36 are exemplified as between a turret-side pivot point 38 and a mastarm Schoen contact point 40 effective hydraulic cylinder formed.
  • the hubunter When unfolding the first mast arm 1 is lifted after exceeding the defined pivoting path with its contact points 40 of the hubunter spanden elements 36, so that from this angular position on only the cylinder / piston unit 32 carries the attacking residual load of the arm package 24.
  • the Hubunter racenden elements 36 ensure that the cylinder / piston unit 32 can be made smaller, so that a new way for sharing parts or for the use of cost cylinder configurations is opened.
  • the invention relates to a distribution mast 14 for stationary or mobile concrete pumps.
  • the distribution boom 14 consists essentially of a rotatable about a pivot axis formed as a vertical axis 18 rotary head 22 and a plurality of relatively pivotable or telescopic mast arms assembled arm package 24.
  • the arm package 24 is articulated at one end of his first mast arm 1 on the turret 22 and by means of a with its ends at articulation points 28, 30 of the rotary head 22 and the first mast arm 1 hinged first cylinder / piston unit 32 about a horizontal bending axis A between a substantially horizontally oriented Einfalt ein and a working position pivoted.
  • the aim of the invention is to make provisions that allow a reduction of the first mast arm 1 attacking cylinder / piston unit 32.
  • at least one stroke-supporting element 36 effective from its fold-in position over a defined pivoting range acts on the first boom arm 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Actuator (AREA)
  • Reciprocating Pumps (AREA)

Claims (9)

  1. Mât distributeur pour pompes à béton fixes ou mobiles, comprenant une tête rotative (22) apte à tourner autour d'un axe de rotation (18) réalisé sous la forme d'un axe vertical, et un ensemble (24) de bras qui est composé de plusieurs bras de mât (1, 2, 3, 4) télescopiques ou aptes à pivoter les uns par rapport aux autres, est articulé sur ladite tête rotative (22) par l'une des extrémités de son premier bras de mât (1) et peut pivoter autour d'un axe horizontal de fléchissement (A), entre une position de travail et une position ramassée orientée pour l'essentiel horizontalement, au moyen d'un premier vérin (32) articulé, par ses extrémités, sur une zone respective (28, 30) de rattachement articulé à ladite tête rotative (22) et audit premier bras (1) du mât, caractérisé par le fait qu'au moins un élément (36) d'assistance au levage, en prise avec le premier bras (1) du mât et agissant suivant une course de pivotement bien définie à partir de sa position ramassée, est articulé sur la tête rotative (22) et porte, avec jeu, contre une zone de contact (40) située sur ledit premier bras (1) du mât, ou bien est articulé sur ledit premier bras (1) du mât et porte, avec jeu, contre une zone de contact (38) située sur ladite tête rotative (22).
  2. Mât distributeur selon la revendication 1, caractérisé par le fait que l'élément (36) d'assistance au levage est réalisé sous la forme d'un élément élastique précontraint entre des zones de contact (38, 40) respectivement situées du côté de la tête rotative, et du côté du bras dudit mât.
  3. Mât distributeur selon la revendication 1, caractérisé par le fait que l'élément (36) d'assistance au levage est réalisé sous la forme d'un vérin hydraulique agissant entre des zones de contact (38, 40) respectivement situées du côté de la tête rotative, et du côté du bras dudit mât.
  4. Mât distributeur selon l'une des revendications 1 à 3, caractérisé par le fait que le premier bras (1) dudit mât est soulevé, après outrepassement de la course de pivotement bien définie, par l'élément (36) d'assistance au levage à présence minimale.
  5. Mât distributeur selon l'une des revendications 1 à 4, caractérisé par le fait que le premier bras (1) dudit mât amène l'élément (36) d'assistance au levage, à présence minimale, à un état précontraint au cours du processus de rétraction jusqu'à la position ramassée, suivant la course de pivotement bien définie.
  6. Mât distributeur selon l'une des revendications 1 à 5, caractérisé par la présence de deux éléments (36) d'assistance au levage.
  7. Mât distributeur selon l'une des revendications 1 à 6, caractérisé par le fait que l'axe de fléchissement (A) du premier bras (1) dudit mât occupe une position excentrée par rapport à l'axe de rotation (18) de la tête rotative (22), du côté dudit axe de rotation (18) qui est tourné à l'opposé de la pointe dudit premier bras (1) du mât dans sa position ramassée orientée, pour l'essentiel, perpendiculairement audit axe de rotation (18).
  8. Mât distributeur selon la revendication 7, caractérisé par le fait que la zone (28) de rattachement articulé du vérin (32), située côté tête rotative, occupe une position excentrée par rapport à l'axe de rotation (18) de ladite tête rotative (22), du même côté que l'axe de fléchissement (A).
  9. Utilisation du mât distributeur conforme à l'une des revendications 1 à 8, en tant que support dédié à un conduit de convoyage de béton dans une pompe à béton fixe ou mobile, la tête rotative (22) étant implantée sur une structure sous-jacente ou sur un châssis de ladite pompe à béton, avec faculté de rotation autour de son axe de rotation (18) réalisé sous la forme d'un axe vertical, et ledit conduit de convoyage (16), guidé par l'intermédiaire dudit mât distributeur (14), étant raccordé à la sortie de pression d'un groupe de pompage (12) consigné à demeure sur ledit châssis.
EP12727373.8A 2011-07-07 2012-06-14 Mât distributeur pour des pompes à béton Not-in-force EP2729645B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110078783 DE102011078783A1 (de) 2011-07-07 2011-07-07 Verteilermast für Betonpumpen
PCT/EP2012/061245 WO2013004460A1 (fr) 2011-07-07 2012-06-14 Mât distributeur pour des pompes à béton

Publications (2)

Publication Number Publication Date
EP2729645A1 EP2729645A1 (fr) 2014-05-14
EP2729645B1 true EP2729645B1 (fr) 2015-11-18

Family

ID=46275836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12727373.8A Not-in-force EP2729645B1 (fr) 2011-07-07 2012-06-14 Mât distributeur pour des pompes à béton

Country Status (9)

Country Link
US (1) US9062465B2 (fr)
EP (1) EP2729645B1 (fr)
JP (1) JP6106665B2 (fr)
KR (1) KR102087446B1 (fr)
CN (1) CN103649442B (fr)
DE (1) DE102011078783A1 (fr)
RU (1) RU2623379C2 (fr)
UA (1) UA110842C2 (fr)
WO (1) WO2013004460A1 (fr)

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DE102012224529A1 (de) * 2012-12-28 2014-07-03 Putzmeister Engineering Gmbh Arbeitsgerät mit Drehkopf-Trennstelle
DE102013206366A1 (de) * 2013-04-11 2014-10-16 Putzmeister Engineering Gmbh Fahrbare Betonpumpe mit Verteilermast und Abstützvorrichtung
DE102013209878A1 (de) * 2013-05-28 2014-12-04 Putzmeister Engineering Gmbh Arbeitsgerät mit an einem Drehkopf angeordneten Arbeitsausleger
DE102013222798A1 (de) 2013-11-08 2015-05-13 Putzmeister Engineering Gmbh Autobetonpumpe
DE102014200396A1 (de) * 2014-01-13 2015-07-30 Putzmeister Engineering Gmbh Autobetonpumpe und Schutzschaltung dafür
DE102014009165B4 (de) * 2014-06-25 2020-07-16 Schwing Gmbh Fahrbarer Großmanipulator
DE102014215947A1 (de) * 2014-08-12 2016-03-03 Putzmeister Engineering Gmbh Hohlkörper
DE102014215946A1 (de) 2014-08-12 2016-02-18 Putzmeister Engineering Gmbh Arbeitsmaschine
DE102014220754A1 (de) * 2014-10-14 2016-04-14 Putzmeister Engineering Gmbh Mastarm und Betonverteilermast
CN104594355B (zh) * 2015-02-02 2016-08-24 湖南五新隧道智能装备股份有限公司 一种用于轮式湿喷机的臂架系统
DE102015104139B4 (de) 2015-03-19 2024-03-21 Schwing Gmbh Drehschemel für einen Großmanipulator
US10543817B2 (en) 2016-12-15 2020-01-28 Schwing America, Inc. Powered rear outrigger systems

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Also Published As

Publication number Publication date
WO2013004460A1 (fr) 2013-01-10
EP2729645A1 (fr) 2014-05-14
US20140096853A1 (en) 2014-04-10
JP2014524995A (ja) 2014-09-25
KR20140045958A (ko) 2014-04-17
KR102087446B1 (ko) 2020-03-11
DE102011078783A1 (de) 2013-01-10
US9062465B2 (en) 2015-06-23
JP6106665B2 (ja) 2017-04-05
RU2623379C2 (ru) 2017-06-26
RU2014104229A (ru) 2015-08-20
CN103649442A (zh) 2014-03-19
UA110842C2 (uk) 2016-02-25
CN103649442B (zh) 2016-08-17

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