EP1129265B1 - Dispositif distributeur pour liquides epais, notamment pour beton - Google Patents

Dispositif distributeur pour liquides epais, notamment pour beton Download PDF

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Publication number
EP1129265B1
EP1129265B1 EP99953859A EP99953859A EP1129265B1 EP 1129265 B1 EP1129265 B1 EP 1129265B1 EP 99953859 A EP99953859 A EP 99953859A EP 99953859 A EP99953859 A EP 99953859A EP 1129265 B1 EP1129265 B1 EP 1129265B1
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EP
European Patent Office
Prior art keywords
conveying line
telescopic
concrete
line elements
conveying
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.)
Expired - Lifetime
Application number
EP99953859A
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German (de)
English (en)
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EP1129265A1 (fr
Inventor
Friedrich Schwing
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Friedrich Wilhelm Schwing GmbH
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Friedrich Wilhelm Schwing GmbH
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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
    • E04G21/0436—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 distributor device according to the preamble of the claim 1.
  • Such distribution devices are used in particular for the promotion of Concrete, used in building construction, for example to move concrete ceilings into buildings. Depending on the height and size, it is necessary to pour the concrete over a to distribute further area. To do this, one uses distribution systems that are mostly formed from a distribution boom on several boom sections and on transport vehicles, on cranes or the like. transportable or stationary are. When it comes to placing booms, it depends on clever subdivision of the mast into individual mast sections that are articulated or are telescopically connected, a maximum distribution field for conveying of being able to operate concrete.
  • This high mobility of the distributor boom is particularly important in the front, area of the jib near the tip of the distributor.
  • the area of the distributor boom that is close to the bogie is Stretch function of greater importance because of the associated achievability of height and width. It is useful to have at least one distributor mast and preferably to make the basic boom telescopic, what about the alternative of angling the distribution booms Brings the advantage of a smaller space requirement.
  • a generic known distribution device in a generic known distribution device according to the US patent US-A-4 130 134 is the distribution device on a bogie Truck and has a telescopic boom, its length adjustment by a scissor system made up of several conveyor line elements is achieved.
  • the known conveyor line shears for length adjustment to the telescopic hub of a basic boom three conveyor line elements used in a row. These conveyor line elements are arranged so that they are between a folded position in the retracted telescopic position and between an extended position of the Conveyor line elements are folded in the extended telescopic position can.
  • each of the delivery line elements vibrates during the Telescopic process by approx. 180 ° and takes up a vertical position to the telescopic direction.
  • the well-known delivery line scissors needed at least three conveyor line elements, of which the two are on the outside each with one of its ends on the centrally arranged conveyor line element are articulated and with their other ends on the respective telescopic part of the placing boom attached and there with the supply or discharge concrete delivery line are connected.
  • these three delivery line elements are the outer ones Delivery line elements for telescopic length compensation in principle without Significance because they are only insignificant compared to the telescopic tubes they carry Execute evasive movement perpendicular to the telescopic longitudinal axis, to the extent that the articulation points change during the telescopic process Remove vertically from the telescopic longitudinal axis on the middle conveyor line element.
  • the telescopic length compensation is done exclusively by swiveling of the middle conveyor line element. This is on an am Manifold boom centrally supported in the longitudinal direction of the boom and due to the arrangement encompassing the mast profile only up to around 120 ° pivotable. That's why the telescopic length compensation is only approx. 1.7 times the true length of the middle conveyor line element can be used.
  • middle Telescopic position in which the middle conveying line element is roughly in one 90 ° position to the telescope of the distributor boom, this concrete conveyor line element protrudes simultaneously on each side of the jib by about 1 ⁇ 4 of the telescope stroke, so that the entire system height of such a Arrangement corresponds to about half of the telescope stroke. This is common practice Telescopic stroke lengths of 4-6 m are extremely annoying.
  • the known concrete spreading device thus has the disadvantage that it in Cross direction builds comparatively large, but considering the circumstance it is disadvantageous that in such distribution devices a variety of folded mast sections can be accommodated in the tightest of spaces must be subdivided into individual sections, including those supported by them Concrete delivery line along with the other accessories for the distribution device. As a result, a more compact and simpler version of a distribution device comes with telescopic mast section increased importance.
  • the conveyor line elements pivot by about 90 °, what necessarily results in a system height of about half a telescope length. This is with standard telescope lengths of 4-6 m extremely annoying, because of it a relatively large space requirement when unfolding the system and also an increased construction effort results.
  • the object of the invention is to provide a distributor device which is particularly suitable for conveying concrete to create the comparatively simple and structurally compact Setting up a desired length adjustment of a concrete delivery line to a telescopic Pylon allows.
  • the conveyor line elements are each rectified Leg ends formed on each other with respect to the two conveyor line elements are prepared. This results in an essentially S-shaped construction in the extended position the delivery line elements. This results in a very compact structure, which is great for the distribution device is of great advantage because it has a variety of moveable Has elements that are not when extending or unfolding the mast sections may hinder.
  • the articulation points of the two conveyor line elements articulated on the telescopic pipes are essentially alternating in the two telescope end positions arranged crosswise to each other.
  • the two conveyor line elements relevant to length compensation have approximately the length of 1 ⁇ 4 of the stroke of the telescopic mast section.
  • Each of the conveyor line elements pivots through the entire telescopic process by about 180 ° and takes a vertical position to the telescopic direction.
  • Applying the roll folding principle ensures that this vertical position the two delivery line elements never occur simultaneously, but one after the other. That means, that the system height, i.e. the space requirement, makes up about a quarter of the telescope stroke, which corresponds approximately to the length of a single conveyor line element.
  • This is beneficial for the compact construction of the delivery line shears. Not only the whole System height, depending on the number of conveyor line elements, only approx. 1 ⁇ 4 or less of the stroke amount, but there are also no intermediate pieces and the associated additional construction effort. Overall, the moving components and are also reduced the necessary joints including their displacement.
  • the articulation points of the conveyor line elements are expediently relative to one another movable telescopic tubes spaced from each other, whereby the Articulation points of the delivery line shears are static in every phase of the telescopic movement form a certain triangle, so that the forces acting on the conveyor line elements are statically determined at all times are what the design, stability and durability of the structure is important.
  • the articulation points move on precisely defined Paths, namely the fixed articulation points parallel to the telescopic direction Orbits relative to each other.
  • each conveying line element essentially Is C-shaped, with adjacent and directly articulated with each other connected conveyor line elements essentially an S-shape or Waveform with two opposite amplitudes. Thereby can the two conveyor line elements together with little space pass.
  • Fig. 1 shows a purely schematic and partial representation of a placing boom for thick materials, in particular concrete, which, for example, at 1 on a transport conveyor vehicle, a truck, for example.
  • Distribution booms are used to place concrete on site using a concrete pump, for example to promote the erection of a concrete ceiling, the generally of several Mast sections built up by swiveling and extending the sections can cover a wide distribution area.
  • the one shown Distribution boom has a telescopic mast section which can be pivoted about the structure 1 2, which, as shown in FIG. 3, consists of a first telescopic tube 3 and a in contrast, extendable second telescopic tube 4 is constructed.
  • the extendable telescopic tube so here the telescopic tube 4, is arranged extendable within the telescopic tube 3, but also the position shown in Fig. 3 is possible, in which the telescopic tube 3 within, overlapped by the telescopic tube 4, is arranged.
  • the concrete placing boom serves as a support for the actual concrete delivery line, which consist of several, articulated concrete delivery pipes is constructed.
  • the invention is concerned with the concrete delivery line in the field of the telescopic boom section, because here due to the telescopic Extending the telescopic tubes a length adjustment of those arranged in this area Concrete delivery line is required.
  • the following is regarding the Concrete delivery pipes of delivery line elements arranged in this area spoken.
  • the concrete delivery line is adjacent arranged the placing boom 2.
  • a concrete delivery pipe 5 which is attached at 6 to the telescopic pipe 3 and as a result the articulation 7 with pivoting of the telescopic boom section 2 is equally pivotable.
  • Concrete delivery pipe 5 is fixed via a bearing block 8 with respect to the telescopic pipe 3.
  • a conveying line element 9 connects to this concrete conveying pipe 5, which with one end at 10 pivotally mounted on the bearing block 8 and the rest is fixed immovable. That is, the conveying line member 9 is pivotable with respect to the axis 11.
  • Delivery line element 9 is directly at 12 with a further delivery line element 13 articulated, the pivot axis being designated 14.
  • the second conveyor line element 13 is at its other end at 15 in turn articulated, d. H. pivotable, but non-displaceable on a bearing block 16 mounted, which is attached to the extendable telescopic tube 4.
  • Bearing block 16 is also a concrete delivery pipe connected to the delivery line element 13 17 added, the further, not shown here Concrete delivery line area is illustrated at 18.
  • FIG. 1 and 2 show the telescopic boom section 2 in its retracted telescopic end position.
  • this Mast section 2 in a known manner to further mast sections 19 and 20 are folded or rolled up and after extending and swiveling the telescopic Distribution boom section 2 rolled up and forward or can be folded out.
  • Corresponding joints are designated with 21 and 22, however, this does not require further discussion here.
  • FIGS. 1 and 2 In the telescopic end position shown in FIGS. 1 and 2 are the Conveying line elements 9 and 13 in the extended position, wherein in this extended position the conveying line elements 9 and 13 extend counter to the concrete conveying direction F. That is, the articulation point 15 at one end of the conveying line element 13 is to the left of the articulation point 10 of the end of the other concrete conveying line element 9th
  • the conveying line element 13 moves with its articulation point 15 in the telescopic direction and runs depending on the telescopic extension position at the articulation point 10 at the end of the other conveyor line element 9 past, with articulation point 10 here due to the fixed, ie not extendable Telescopic tube 3 remains stationary.
  • pivot point 15 1 to the left of the articulation point 10 arranged pivot point 15 is in the extended position shown in FIG. 4 of the tube 4 now to the right of the articulation point 10. That is, in the two telescopic end positions are the two pivot points 10 and 15 of the scissor assembly from the two conveyor line elements alternately to each other Arranged cross.
  • FIG. 5 shows the basic structure of a structure as already shown in FIGS. 1-4 explained delivery line scissors from delivery line elements 9, 13, wherein for same components the same reference numerals are used.
  • the telescopic distributor mast is on the top left in its retracted telescopic end position and on the right schematically shown the extended telescopic tube.
  • the delivery line elements 9 and 13 are only shown schematically as straight lines, to explain the functional course. The ends of the two are visible Delivery line elements 9 and 13 at 10 and 15 fixed relative to the corresponding Telescopic tubes 4 and 3 relocated, but with a pivoting movement within of the joint is made possible.
  • the feed line element swivels clearly 9 with the start of the extension movement of the telescopic tube 4 upwards and the articulation point 15 runs in the conveying direction F to the right.
  • the course of the The articulation point 15 here runs on a straight line parallel to the telescopic axis of the telescopic structure, wherein the pivot point 15 can be seen by a distance h is offset downwards relative to the fixed articulation point 10, consequently the path of the articulation point 15 over its entire path by the distance h is offset.
  • the articulation point 15 passes the following lower illustrations finally the articulation point 10 and the conveyor line scissors come out of the Function position shown above with extended position of the elements 9 and 13 opposite corresponding to the conveying direction F in the extended position in the concrete conveying direction F. the illustration below.
  • the maximum deflection across the direction of concrete delivery F is evident when the articulation point 15 is below the Joint is located between the two elements 9 and 13, the transverse extent in principle determined by the length of the conveyor line element 13 is. Since it is also possible in an advantageous manner, the lengths of both conveyor line elements to be different, can be shown in FIG. 5 Constellation of a delivery line scissor assembly the delivery line element 13 with a short length compared to the other conveying line element 9 be chosen or vice versa.
  • FIG. 6 A further advantageous embodiment results from FIG. 6, in which the conveyor line elements 9, 13 with an anti-folding movement of the scissors, here acted elastically acting pivoting moment.
  • a schematically indicated Spring device 23 is provided in the illustrated embodiment fixed with respect to the telescopic tube 3 and with its other end on Delivery line element 9 is articulated. It is useful if, as in the illustrated embodiment, the conveyor line element with the elastic acting swing torque is applied, which with its end, here the pivot point 10, on the non-extendable part, here telescopic tube 3, stored is.
  • This embodiment favors the stability of the delivery line shear in all intermediate layers including the end positions.
  • FIG. 7-10 show various structural variants of the delivery line shear system according to the invention, depending on the structurally specified on the vehicle Ratios can be chosen, making a suitable adjustment to it allows the overall structure of the device.
  • the Position or the position can be determined and thus adjusted, resulting in the vertical arrangement of one of the conveyor line elements 9, 13 sets the maximum width of the folded state of the delivery line shears.
  • the conveyor line elements possible with different lengths.
  • the conveying line element 9 is fixed Telescopic tube 3 with its articulation point 10 shifted, however, the articulation point 15 of the element 13 on the extendable telescopic tube 4, the extended position in the telescopic end position shown above is such that the articulation point between the two conveyor line elements 9 and 13 in a slight kink position is arranged above.
  • the conditions are analogous to those in the Embodiment according to Fig. 7, but in the extended position in the retracted Telescopic end position of the common articulation point of the two conveyor line elements 9 and 13 is in a lower kink position. This results in different kink positions with regard to the articulation point 12 also in the extended position Telescope end position, as can easily be seen from a comparison of the 7 and 8, lower representation, results.
  • Fig. 10 shows a structure analogous to Fig. 9, but with an upward bend in the Stretched position in the retracted telescopic end position of the scissor assembly.
  • Fig. 11 shows the structure of a telescopic boom section 2, consisting consisting of three telescopic tubes 3, 4 and 24. With this construction there are for length adjustment to the telescopic hub two conveyor line shears 9, 13 and 9 ', 13' intended. The articulation points 15 and 15 'are shown by a dashed line Concrete delivery pipe 25 connected. The other two articulation points are at 10 and 10 '. The conveyor line elements are at 12 or 12 'with each other articulated. In Fig. 11, designated by reference numeral 26 Component a hydraulic cylinder that is used to pivot the telescopic Mast section 2 adjoining mast section is used.
  • Fig. 12 finally shows a structure of a conveyor line shear 9, 13, with the reverse Arrangement of the boom telescope, what the collision between Avoids delivery line system and boom joint drive.

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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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Road Paving Machines (AREA)

Claims (9)

  1. Dispositif de distribution de matières consistantes, en particulier de béton, comportant un mât distributeur qui porte un tuyau de transport de béton et qui est formé de plusieurs sections de mât pliables l'un vers l'autre dont l'une au moins est télescopique, présente au moins un premier tube télescopique (3) et un second tube télescopique (4) pouvant être sorti par rapport à ce dernier et dans lequel, dans la zone de la section télescopique du mât distributeur (2), il est prévu, pour ajuster la longueur du tuyau de transport de béton au déplacement télescopique, de réaliser le tuyau de transport de béton comme un système de plusieurs éléments de tuyau de transport (9, 13) qui sont assemblés l'un avec l'autre de façon articulée, dont un élément de tuyau de transport (9) est articulé par une extrémité avec le premier tube télescopique (3), dont un autre élément de tuyau de transport (13) est articulé par son extrémité avec le second tube télescopique (4) et dont les points d'articulation (10, 15) des deux éléments de tuyau de transport (9, 13) articulés sur les tubes télescopiques (3, 4) sont disposés, dans les deux positions terminales télescopiques, en substance alternativement croisés l'un vers l'autre si bien que, lors de l'entrée et de la sortie de l'un des tubes télescopiques (4) dans ses positions terminales télescopiques, les deux points d'articulation (10, 15) passent l'un contre l'autre et que les éléments de tuyau de transport (9, 13) sont étirés, dans l'une des positions terminales télescopiques, dans le sens inverse de transport du béton (F) et, dans l'autre position terminale télescopique, dans le sens de transport du béton (F), caractérisé en ce que les éléments de tuyau de transport (9, 13) présentent chacun deux extrémités de tube coudées dans le même sens et en ce que les extrémités de tube des deux éléments de tuyau de transport associés sont chacune orientées l'une vers l'autre de telle sorte que les deux éléments de tuyau de transport (9, 13) articulés l'un avec l'autre présentent en substance une forme en S ou ondulée.
  2. Dispositif selon la revendication 1, caractérisé en ce que les deux points d'articulation (10, 15) sont décalés en hauteur l'un par rapport à l'autre de telle sorte que les deux bandes des points d'articulation (10, 15) sont disposées à distance l'une de l'autre pendant le déplacement télescopique.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de tuyau de transport (9, 13) sont chacun réalisés en substance en forme de C avec un segment central étiré en longueur et deux extrémités de tube coudées dans le même sens et, dans leur position étirée, se complètent pour réaliser une forme en S ou ondulée présentant deux amplitudes orientées en sens inverse.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins l'un des éléments de tuyau de transport (9, 13) est suspendu sur ressorts contre le tube télescopique associé.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que, pour n tubes télescopiques du mât distributeur télescopique, il est prévu, de manière correspondante, (n-1) systèmes de tuyau de transport en ciseaux.
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux points d'articulation (10, 15) sont décalés en hauteur l'un par rapport à l'autre si bien que les deux bandes des points d'articulation (10, 15) sont disposées à distance l'une de l'autre pendant le déplacement télescopique.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que chaque élément de tuyau de transport (9, 13) est réalisé en substance en forme de C avec un segment central étiré en longueur et deux extrémités de tube coudées dans le même sens et en ce que, dans leur position étirée, lesdits éléments se complètent pour réaliser une forme en S ou ondulée présentant deux amplitudes orientées en sens inverse.
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins l'un des éléments de tuyau de transport (9, 13) est suspendu sur ressorts contre le tube télescopique associé.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que, pour n tubes télescopiques du mât distributeur télescopique, il est prévu, de manière correspondante, (n-1) systèmes de tuyau de transport en ciseaux.
EP99953859A 1998-10-28 1999-10-15 Dispositif distributeur pour liquides epais, notamment pour beton Expired - Lifetime EP1129265B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19849747 1998-10-28
DE19849747A DE19849747C5 (de) 1998-10-28 1998-10-28 Verteilervorrichtung für Dickstoffe, insbesondere für Beton
PCT/EP1999/007850 WO2000024988A1 (fr) 1998-10-28 1999-10-15 Dispositif distributeur pour liquides epais, notamment pour beton

Publications (2)

Publication Number Publication Date
EP1129265A1 EP1129265A1 (fr) 2001-09-05
EP1129265B1 true EP1129265B1 (fr) 2003-02-05

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ID=7885960

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EP99953859A Expired - Lifetime EP1129265B1 (fr) 1998-10-28 1999-10-15 Dispositif distributeur pour liquides epais, notamment pour beton

Country Status (13)

Country Link
US (1) US6463958B1 (fr)
EP (1) EP1129265B1 (fr)
JP (1) JP4187416B2 (fr)
KR (1) KR100467225B1 (fr)
CN (1) CN1174153C (fr)
AT (1) ATE232258T1 (fr)
AU (1) AU751813B2 (fr)
BR (1) BR9914609A (fr)
DE (2) DE19849747C5 (fr)
ES (1) ES2192087T3 (fr)
HK (1) HK1036308A1 (fr)
TR (1) TR200101203T2 (fr)
WO (1) WO2000024988A1 (fr)

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US10927042B2 (en) 2013-06-25 2021-02-23 Carboncure Technologies, Inc. Methods and compositions for concrete production
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Publication number Publication date
DE59904245D1 (de) 2003-03-13
EP1129265A1 (fr) 2001-09-05
HK1036308A1 (en) 2001-12-28
KR100467225B1 (ko) 2005-01-24
AU751813B2 (en) 2002-08-29
WO2000024988A1 (fr) 2000-05-04
CN1324427A (zh) 2001-11-28
BR9914609A (pt) 2001-07-03
KR20010082246A (ko) 2001-08-29
TR200101203T2 (tr) 2001-10-22
DE19849747C5 (de) 2005-10-27
US6463958B1 (en) 2002-10-15
JP2002528665A (ja) 2002-09-03
ATE232258T1 (de) 2003-02-15
ES2192087T3 (es) 2003-09-16
DE19849747A1 (de) 2000-05-11
CN1174153C (zh) 2004-11-03
JP4187416B2 (ja) 2008-11-26
AU1039700A (en) 2000-05-15
DE19849747C2 (de) 2002-10-10

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