EP3656947B1 - Pompe à béton automatique - Google Patents

Pompe à béton automatique Download PDF

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Publication number
EP3656947B1
EP3656947B1 EP19207419.3A EP19207419A EP3656947B1 EP 3656947 B1 EP3656947 B1 EP 3656947B1 EP 19207419 A EP19207419 A EP 19207419A EP 3656947 B1 EP3656947 B1 EP 3656947B1
Authority
EP
European Patent Office
Prior art keywords
strut
truck
concrete pump
mounted concrete
auxiliary frame
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
EP19207419.3A
Other languages
German (de)
English (en)
Other versions
EP3656947A1 (fr
Inventor
Stefan Peters
Karl Westermann
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.)
Liebherr Mischtecknik GmbH
Original Assignee
Liebherr Mischtecknik 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 Liebherr Mischtecknik GmbH filed Critical Liebherr Mischtecknik GmbH
Publication of EP3656947A1 publication Critical patent/EP3656947A1/fr
Application granted granted Critical
Publication of EP3656947B1 publication Critical patent/EP3656947B1/fr
Active 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
    • E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
    • 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

Definitions

  • the invention relates to a truck-mounted concrete pump with an auxiliary frame projecting towards the rear of the truck-mounted concrete pump and a mast bracket, the auxiliary frame and the mast bracket being coupled to one another by means of at least one strut.
  • Generic truck-mounted concrete pumps have an auxiliary frame that protrudes far towards the rear of the machine, which, in conjunction with the truck frame, serves as a carrier for various units such as the pump, water tanks and/or other components.
  • auxiliary frame that protrudes far towards the rear of the machine, which, in conjunction with the truck frame, serves as a carrier for various units such as the pump, water tanks and/or other components.
  • truss-like constructions are usually chosen.
  • the mast bracket and the subframe are connected in whole or in part by means of one or more struts to form a rigid triangle. This design is comparatively simple and light, as it greatly reduces the free bending length of the subframe.
  • the struts do not take on any other function.
  • Installed struts can, as is known, be bolted on both sides.
  • the articulated connection of the struts relieves the struts of bending moments, whereby these slimmer and therefore lighter than the usual welded struts.
  • Truck-mounted concrete pumps with the features of the introductory part of claim 1 are in CN 105275210A and the CN201424817Y disclosed.
  • the object of the invention is to provide an improved truck-mounted concrete pump in which the struts for connecting the mast block to the auxiliary frame can be used more simply as holders for other components. According to the invention, this object is achieved by a truck-mounted concrete pump with the features of claim 1 .
  • a truck-mounted concrete pump is provided with an auxiliary frame that protrudes toward the rear of the truck-mounted concrete pump and a mast bracket, the auxiliary frame and the mast bracket being coupled to one another by means of at least one strut.
  • the strut has an angular cross section. Due to the angular design of the outside of the strut, it is easier to mount objects on the strut in a twist-proof manner.
  • struts in particular bolted on both sides, are provided.
  • the two or more struts can, for example, be arranged on the left and right of the truck-mounted concrete pump.
  • the struts can be coupled to corresponding bearing sections of the mast bracket and the subframe via bolts.
  • the strut in a further preferred embodiment of the invention, it is conceivable for the strut to comprise a twist-proof fork head at at least one end.
  • the clevis may be at least partially fixed in a central portion of the strut.
  • the strut runs diagonally from the rear below to the front above on the truck-mounted concrete pump.
  • the strut comprises at least one passage for receiving screws.
  • the passage can be oriented, for example, perpendicular to the longitudinal alignment of the strut.
  • the fork head is made narrower than a central part of the strut.
  • the middle part of the strut can describe that section which is located between two oppositely arranged fork heads.
  • the central part can be designed continuously as a hollow profile element.
  • the fork head can be made narrower than the middle part, either overall or in sections.
  • At least one fastening clip is provided on the strut.
  • an add-on part is fastened to the strut with the fastening clamp.
  • the mounting bracket it is possible to couple other components to the strut. Due to the angular cross-section of the strut, the fastening clamp and thus the object coupled to the strut via it cannot easily and unintentionally rotate around the strut.
  • the strut is designed with a square cross section.
  • the strut may include any angular cross-section, such as a generally rectangular cross-section or a complex profile cross-section having one or more hollow sections and optionally associated planar or non-hollow sections.
  • Figures 3a-e Cross-sectional views of a strut.
  • figure 1 shows a schematic view of the truck-mounted concrete pump 1 according to the invention with an auxiliary frame 2 projecting towards the rear of the truck-mounted concrete pump and a mast bracket 3.
  • the auxiliary frame 2 and the mast bracket 3 are coupled to one another by means of at least one strut 4.
  • the strut 4 has an angular and in particular a rectangular cross-section.
  • the auxiliary frame 2 can be mounted on a vehicle frame 11 or coupled to such a vehicle frame 11 .
  • the vehicle frame 11 and the auxiliary frame 2 can extend approximately the same distance in the longitudinal direction of the truck-mounted concrete pump 1.
  • a funnel 12 can be provided in the rear area of the auxiliary frame 2 , which is used to introduce concrete into the truck-mounted concrete pump 1 .
  • the strut 4 shown can be coupled to the auxiliary frame 2 and the mast bracket 3 on both sides via bolts or via a bolt connection 9 .
  • One of the boltings 9 can be arranged in the area of a mast support 10 which is set up for placing a mast, not shown, of the truck-mounted concrete pump 1 .
  • This bolting 9 can in particular be located in an area of the mast support 10 which is directly adjacent to the auxiliary frame 2 or which is that area of the mast support 10 which is closest to the auxiliary frame 2 .
  • the strut 4 can comprise a non-rotating fork head, via which the strut 4 can be bolted.
  • Strut 4 shown is guided on the truck-mounted concrete pump 1 from the rear bottom to the front top. It is also conceivable that the strut 4 runs from the outside to the inside or from the inside to the outside of the truck-mounted concrete pump 1 .
  • figure 2 shows a detailed view of the strut 4 as it is bolted to the mast bracket 3 and/or to the auxiliary frame 2 via a bolt.
  • the fork head can be made narrower than that in the figure 2 middle part of the strut 4 shown on the right.
  • the middle part of the strut 4 can be the part of the strut 4 arranged between the two fork heads.
  • the bolt 9 is indicated by a dashed line, which essentially corresponds to the longitudinal axis of a bolt of the bolt 9, not shown.
  • Figure 3a shows a strut 4 designed according to the prior art, which has a round cross section and thus has a low level of security against twisting of fastening clamps 5 attached thereto.
  • FIG. 3b The embodiment shown shows the cross section of a strut 4 which is angular and on which correspondingly angular or canted fastening clamps 5 are secured against twisting relative to the strut 4 .
  • the mounting clamps 5 of Figures 3b - 3c can at least partially have a geometry corresponding to the strut 4 on their inner sides.
  • the fastening clamps 5 can bear against the strut at least in sections.
  • the fastening clamps 5 can also comprise one or more flange sections on their outer sides, by means of which the fastening clamps 5 can be fixed to the strut, for example using screws.
  • Figure 3c shows the strut 4 of a truck-mounted concrete pump 1 according to the invention, to which an attachment 6 is coupled via a fastening clamp 5 .
  • the add-on part 6 can be coupled with one of its flat outer walls to a flat outer wall of the strut 4 and can thereby be secured against rotation.
  • screws 8 are coupled to an attachment 6 via a clamping part 7 , the strut 4 being encompassed by the screws 8 and the clamping part 7 .
  • FIG. 3e shows an embodiment in which the strut 4 has passages for receiving screws 8 .
  • An add-on part 6 can in particular be placed against a flat wall of the strut 4 via one of its flat outer walls and screwed to the strut 4 via the screws 8 mentioned.
  • 4 bushings for receiving the screws 8 can be provided in the strut.
  • the strut 4 has any angular geometry. However, it is preferably rectangular and in particular has a square cross section.
  • the strut 4 can have the non-rotating fork head mentioned at at least one of its ends, so that the alignment of the strut cannot change unintentionally. Due to the rectangular cross-section of the strut, it is easy to attach holders for additional parts or add-on parts using screw clamps on a single strut 4 without the risk of the clamps 5 twisting. In addition to their supporting role, struts 4 designed in this way can be used as equipment carriers, which saves costs and weight by eliminating other attachment options. Examples of parts to be attached to the strut 4 are grease tanks, mast rests, protective covers, oil coolers, hydraulic pipe holders or the like.

Landscapes

  • 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)

Claims (6)

  1. Pompe à béton automatique (1) avec un cadre auxiliaire (2) faisant saillie vers l'arrière de la pompe à béton automatique (1) et un support de mât (3), le cadre auxiliaire (2) et le support de mât (3) étant couplés l'un à l'autre au moyen d'au moins une entretoise (4), l'entretoise (4) présentant une section transversale angulaire,
    caractérisée en ce que
    au moins une pièce rapportée (6) est prévue, qui est fixée à l'entretoise (4) à l'aide d'un collier de fixation (5) prévu sur l'entretoise (4).
  2. Pompe à béton automatique (1) selon la revendication 1, caractérisée en ce qu'au moins deux entretoises (4), en particulier boulonnées des deux côtés, sont prévues.
  3. Pompe à béton automatique (1) selon la revendication 1 ou 2, caractérisée en ce que l'entretoise (4) comprend à au moins une extrémité une tête à fourche avec blocage en rotation.
  4. Pompe à béton automatique (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'entretoise (4) s'étend en diagonale de l'arrière en bas vers l'avant en haut de la pompe à béton automatique (1).
  5. Pompe à béton automatique (1) selon au moins la revendication 3, caractérisée en ce que la tête à fourche est réalisée plus étroite qu'une partie centrale de l'entretoise (4).
  6. Pompe à béton automatique (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'entretoise (4) est réalisée avec une section transversale carrée.
EP19207419.3A 2018-11-26 2019-11-06 Pompe à béton automatique Active EP3656947B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018129799.8A DE102018129799A1 (de) 2018-11-26 2018-11-26 Autobetonpumpe

Publications (2)

Publication Number Publication Date
EP3656947A1 EP3656947A1 (fr) 2020-05-27
EP3656947B1 true EP3656947B1 (fr) 2023-01-04

Family

ID=68470362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19207419.3A Active EP3656947B1 (fr) 2018-11-26 2019-11-06 Pompe à béton automatique

Country Status (3)

Country Link
EP (1) EP3656947B1 (fr)
DE (1) DE102018129799A1 (fr)
ES (1) ES2941917T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020134024A1 (de) * 2020-12-17 2022-06-23 Putzmeister Engineering Gmbh Rahmengestell mit einem Mastbock zur Lagerung eines Dickstoffverteilermasts
DE102021112971A1 (de) * 2021-05-19 2022-11-24 Liebherr-Mischtechnik Gmbh Autobetonpumpe mit vorgespannter Zugstrebe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003098090A1 (fr) 2002-05-17 2003-11-27 Aba Of Sweden Ab Collier d'attache pour tuyaux
CN201424817Y (zh) 2009-04-24 2010-03-17 徐州重型机械有限公司 混凝土泵车的上下车连接装置及具有该装置的混凝土泵车
DE102010009177A1 (de) 2010-02-24 2011-08-25 Elba-Werk Maschinen-Gesellschaft mbH, 76275 Mast, insbesondere Arbeitsmast für Autobetonpumpen, sowie Autobetonpumpe mit einem solchen Mast
US20120138760A1 (en) 2010-12-01 2012-06-07 Gephart Joel A Universal clamp assembly
DE102012213727A1 (de) 2012-08-02 2014-02-06 Putzmeister Engineering Gmbh Betonverteilermast für Betonpumpen
CN105275210A (zh) 2014-07-24 2016-01-27 中联重科股份有限公司 一种泵车承载结构及混凝土泵车
EP3140474B1 (fr) 2014-05-06 2018-03-14 Putzmeister Engineering GmbH Pompe à béton mobile

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003098090A1 (fr) 2002-05-17 2003-11-27 Aba Of Sweden Ab Collier d'attache pour tuyaux
CN201424817Y (zh) 2009-04-24 2010-03-17 徐州重型机械有限公司 混凝土泵车的上下车连接装置及具有该装置的混凝土泵车
DE102010009177A1 (de) 2010-02-24 2011-08-25 Elba-Werk Maschinen-Gesellschaft mbH, 76275 Mast, insbesondere Arbeitsmast für Autobetonpumpen, sowie Autobetonpumpe mit einem solchen Mast
US20120138760A1 (en) 2010-12-01 2012-06-07 Gephart Joel A Universal clamp assembly
DE102012213727A1 (de) 2012-08-02 2014-02-06 Putzmeister Engineering Gmbh Betonverteilermast für Betonpumpen
EP3140474B1 (fr) 2014-05-06 2018-03-14 Putzmeister Engineering GmbH Pompe à béton mobile
CN105275210A (zh) 2014-07-24 2016-01-27 中联重科股份有限公司 一种泵车承载结构及混凝土泵车

Also Published As

Publication number Publication date
DE102018129799A1 (de) 2020-05-28
ES2941917T3 (es) 2023-05-26
EP3656947A1 (fr) 2020-05-27

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