EP1636444A1 - Pompe a beton roulante pourvue d'un mat distributeur - Google Patents

Pompe a beton roulante pourvue d'un mat distributeur

Info

Publication number
EP1636444A1
EP1636444A1 EP04739592A EP04739592A EP1636444A1 EP 1636444 A1 EP1636444 A1 EP 1636444A1 EP 04739592 A EP04739592 A EP 04739592A EP 04739592 A EP04739592 A EP 04739592A EP 1636444 A1 EP1636444 A1 EP 1636444A1
Authority
EP
European Patent Office
Prior art keywords
arm
mast
concrete pump
chassis
pump according
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.)
Withdrawn
Application number
EP04739592A
Other languages
German (de)
English (en)
Inventor
Markus Wolfram
Dieter Alwes
Michael Clement
Bernhard Raschke
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 AG
Putzmeister Werk Maschinenfabrik 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 AG, Putzmeister Werk Maschinenfabrik GmbH filed Critical Putzmeister AG
Publication of EP1636444A1 publication Critical patent/EP1636444A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/16—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying mixed concrete, e.g. having rotatable drums
    • 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
    • B66C23/36—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 mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—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 mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • 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

Definitions

  • the invention relates to a mobile concrete pump with a mounting frame mounted on a chassis of a truck chassis, which can be supported by lifting the chassis on a support, with a mast bracket arranged on the mounting frame and rotatable about a vertical axis, and a concrete distribution boom designed as a multi-part articulated mast, which is attached to one has the first articulated joint with a horizontal articulation axis with respect to the mast bracket first mast arm and further mast arms which can be pivoted relative to one another at articulated joints about horizontal articulation axes.
  • Concrete pumps of this type convey the concrete delivered by transport mixers to construction sites via the placing boom to a concreting point.
  • the concrete pumps are usually mounted on multi-axle chassis with a continuous, rigid frame.
  • Multi-axle heavy chassis with excessive axle loads are necessary for heavy vehicles with a total weight of over 24 1. They are only allowed to drive on public roads with a special permit and cannot use many lighter routes and bridges.
  • a self-propelled concrete pump of the type specified at the outset EP-B-0038954
  • the object of the invention is to improve the known mobile concrete pumps of the type specified at the outset such that a significant increase in the range of the placing boom can be achieved while maintaining the permissible axle loads and structural heights in the driving state.
  • the solution according to the invention is primarily based on the idea that a trailer is provided which has its own undercarriage and can be connected to the chassis via a coupling member in the state of road travel.
  • the trailer according to the invention has a support bracket that can be rotated about a vertical axis for receiving an arm bundle that protrudes beyond the rear end of the chassis in the state of road travel, which consists of the second mast arm that is unfolded relative to the first mast arm in the extended position of the second articulated joint and at least part of the the other, opposite the second mast arm in its retracted position, consists of mast arms and forms the coupling member together with the first mast arm.
  • the vertical axes of the mast bracket and the support frame in the state of road travel are designed as free axes of rotation of the coupling member.
  • a further preferred embodiment of the invention provides that in the state of road travel, the first articulated joint between the mast bracket and the first mast arm is locked in its position on the mounting frame which points backwards against the direction of travel of the chassis, and the second articulated joint is freely pivotable about its articulated axis.
  • the support frame can also be pivoted to a limited extent about an axis running transversely to the trailing axis.
  • the subframe should be rotatable to a limited extent about the vertical axis of the trailer.
  • the trailer can also be coupled to the chassis via a preferably telescopic drawbar.
  • a further improvement in cornering is achieved in that the trailer is self-steering.
  • the follower can have at least two preferably hydraulically coupled steering wheels.
  • a further improvement is achieved in that the trailer has a steering device that is electronically coupled to a steering device of the chassis.
  • the arm package placed on the subframe's support frame is raised.
  • the arm package can be swiveled against the first mast arm and placed on the chassis.
  • an arm configuration designed for construction site use is used, which, when folded, is too high for travel on public roads, but for travel on one delimited site is possible and permissible.
  • the trailer can be moved or raised as ballast on the chassis in the uncoupled state.
  • the trailer is an auxiliary function during transport and in the operating state.
  • the pump unit with material feed container which is connected on the outlet side to a conveyor line arranged on the articulated mast, is expediently located on the chassis frame on the chassis side.
  • the pump unit with the material feed container to be arranged on the trailer and, in the operating state, to be connected on the output side to a delivery line arranged on the articulated mast.
  • the mast arms of the articulated mast are expediently connected to one another in a combined ZRZ or RZRZ fold.
  • the articulated mast is at least four members, preferably six or seven members.
  • the high number of links in the articulated mast only makes sense if the links in the operating state cannot be controlled individually, but with electronic support together in a cylinder coordinate system (cf. DE-B-4306127).
  • the arm assembly is advantageously bolted to the subframe's support frame.
  • the follower is at least biaxial. Depending on the size of the arm package, it is advisable to use three- to six-axis followers.
  • FIGS. 1a and b shows a folding diagram of the articulated mast according to FIGS. 1a and b in the state of the construction site trip;
  • FIG. 3a and b show the concrete pump according to FIG. 1a with a slightly modified trailer in a side view and in a top view when cornering;
  • 4a to c show three side views of mobile concrete pumps with five-arm, six-arm and seven-arm articulated mast;
  • 5a and b show a side view of the mobile concrete pump according to FIG. 4b in the state of road travel and in the state of construction site travel;
  • FIG. 5c shows a folding diagram of the articulated mast in the state of the construction site trip according to FIG. 5b;
  • FIG. 6a and b show a side view of the mobile concrete pump according to FIG. 4c in the state of road travel and in the state of construction site travel;
  • FIG. 6c shows a folding diagram of the articulated mast in the state of the construction site trip according to FIG. 6b;
  • 7a and b show a side view of a mobile concrete pump with a seven-armed articulated mast modified in comparison with FIGS. 6a and b in the state of road travel and in the state of construction site travel; 7c shows a folding diagram of the seven-arm articulated mast in the state of the construction site trip according to FIG. 7b.
  • the mobile concrete pumps shown in the drawing have a mounting frame 14 which is mounted on a chassis 10 of a truck chassis 12 and can be supported with support arms 16 on a base 18 while lifting the chassis 10.
  • the body frame comprises a mast bracket 22 which can be rotated about a vertical axis 20 of the chassis 10 and which carries a concrete placing boom 24 designed as a multi-section articulated mast.
  • the articulated mast has a first mast arm 1 which can be pivoted on a first articulated joint A with a horizontal articulation axis with respect to the mast bracket 22 and further mast arms 2 to 6 or 2 to 7 which can be pivoted relative to one another at articulated joints B to F or B to G about horizontal articulation axes.
  • the chassis-side mounting frame 14 also carries a pump unit 26 designed as a two-cylinder thick matter pump, which works on the principle of a tandem pump and in each case the concrete column sucked in from a material feed container 28 in a suction stroke in a subsequent pressure stroke into one of a pressure pipe 30 and a plurality of Concrete delivery pipes presses existing concrete delivery line.
  • the concrete is pumped to the desired concreting point via the delivery line, which is led through the rotatable mast bracket and laid with its concrete delivery pipes, not shown, parallel to the mast arms 1 to 6 or 1 to 7 and rigidly connected to these.
  • the mast arms When driving, the mast arms must be folded up and positioned on the chassis so that a vehicle length and vehicle height prescribed by the road traffic regulations are not exceeded.
  • a special feature of the invention is that the mobile concrete pump in the state of road travel next to the carry the body frame the chassis 10 has a trailer 32, which has its own chassis 34 and which can be connected to the chassis 10 via a coupling member 36.
  • the trailer has a support bracket 40 which can be rotated about a vertical axis 38 relative to the chassis of the trailer and on which an arm package 42 projecting beyond the rear end of the chassis 10 can be supported in the state of road travel.
  • the arm assembly 42 consists of the second mast arm 2, which is unfolded in relation to the first mast arm 1 in the extended position of the second articulated joint B, and the other mast arms 3 to 6, which are in the retracted position in relation to the second mast arm 2 (FIGS. 1, 4b, 5) or 3 to 7 (FIGS. 4c, 6, 7) and together with the first mast arm 1 forms the coupling member 36 between the chassis 10 and the follower 32.
  • the follower 32 is designed to be self-steering. In the exemplary embodiment shown, it has two hydraulically coupled steering wheels 50.
  • the steering device of the trailer is expediently electronically coupled to a steering device of the chassis 10, so that a coordinated cornering is possible between the chassis 10 and the trailer 32 (FIG. 3b).
  • a special feature of the invention is that the vertical axes 20 and 38 of the mast bracket 22 and the support frame 40 are designed as free axes of rotation of the coupling member 36 in the state of road travel. As indicated by the double arrow 44, the second articulation B can be freely pivoted about its articulation axis in the state of road travel.
  • the subframe 40 can be pivoted to a limited extent about an axis 46 running transversely to the longitudinal axis of the trailer, it is achieved that the chassis 10 of the truck chassis 12 and the chassis 34 of the trailer 32 also maintain an optimal ground alignment when driving over a crest and when driving through a trough ,
  • the first articulated joint A between the mast bracket 22 and the first mast arm 1 can be locked in its rearward-facing position against the direction of travel of the chassis.
  • the arm consisting of mast arms 2 to 6 or 2 to 7 can be Package 42 folded against the first mast arm 1 and placed alone on the chassis 10 (Fig. 1b, 5b, 6b and 7b). If the maximum vehicle height has already been reached in the state of road travel according to FIGS. 1a, 5a, 6a and 7a, after the arm package 42 has also been folded in, an excessively high vehicle height will result which is only permitted in the private construction site area (state the construction site trip).
  • the placing boom is equipped with six mast arms which form a ZRZ fold in the folded state: arms 1 to 3 and arms 3 to 6 correspond to a Z fold, while arms 2 , 3 and 4 are folded according to the principle of roll folding.
  • the follower 32 has three axes, the arm assembly 42 being bolted to the support frame 40 at points 48 in the state of road travel.
  • the sequence of figures 2a to 21 shows the sequence of the unfolding and folding up of the placing mast 24 from the state of the road trip (FIG. 2a) by loosening the arm package 42 from the trailer 32 (FIG. 2b), the support on the ground 18 ( Fig. 2c) and the subsequent positioning of the concrete placing boom 24 with end hose 31 in the concreting position (Fig. 2d to 2h).
  • the mast arms 1 to 6 are folded together with the chassis 10 still lifted (FIGS. 2i to k) in order finally to move into the state of road travel with the chassis 10 lowered into the stretched position in the joint B between the first and second mast arms 1, 2 to be brought (Fig. 21).
  • FIG. 4a to c show that a modular construction of the placing boom with relatively simple means using the same arm components enables a transition between a five-arm (FIG. 4a) and a six-arm (FIG. 4b) to a seven-arm (FIG. 4c) placing boom 24 is possible.
  • the starting point is the construction shown in FIG. 4a, consisting of a semi-trailer with a five-arm placing boom 24/5 for a range of approximately 60 m.
  • the use of an articulated lorry when building a mobile concrete pump is the subject of EP-B-0038954.
  • the arm package 42 shown in FIG. 4a is supplemented by an additional mast arm 1 '
  • the six-arm mast configuration shown in FIG. 4b is obtained, the arm package 42' of which, according to the invention, is supported on a three-axle trailer 32 in the state of road travel ,
  • the previous arms 1, 2, 3, etc. become the new arms 2 ', 3', 4 ', etc.
  • this is indicated by the arm markings 271, 372, 473, etc.
  • the range of the placing boom 24 is increased by the additional arm 1 'to about 70 m.
  • FIG. 4b If one folds the entire articulated mast according to FIG. 4b and turns it through 180 °, one obtains an arm package 42 ", which can be supplemented by a new mast arm 1".
  • the arm 2 "in Fig. 4c uss compared to the arm 1 'in Fig. 4b geometrically adapted (bent).
  • the previous arms 2', 3 ', 4' are now the arms 3", 4 ", 5". 4c this is indicated by the arm markings 3 271, 47372, etc.
  • the six-arm arm package 42 " is supported on a five-axis trailer 32. In total, a seven-arm placing boom 24/7 with a range of approximately 80 m results in FIG. 4c.
  • the folding scheme of the six-arm placing boom according to FIG. 4b can be found in FIG. 5c in addition to the representations in the state of road travel and construction site travel.
  • the arms 1, 2 and 3 and the arms 4, 5 and 6 are folded there in a Z-like manner, while the arm groups 3, 4
  • FIGS. 6a to c and 7a to c differ only in the type of folding of individual groups of mast arms:
  • Fig. 6c arms 1, 2, 3 roll fold arms 2, 3, 4 Z-fold arms 3, 4, 5 roll fold
  • Fig. 7c Arms 1, 2, 3: roll folding
  • the invention relates to a mobile concrete pump with a mounting frame 14 mounted on a chassis 10 of a truck chassis 12, with a mast bracket 22 arranged on the mounting frame 14 and rotatable about a vertical axis 20 and with a multi-section articulated mast Concrete placing boom 24.
  • the six-section concrete placing mast 24 according to FIG. 1a has a first mast arm 1 which can be pivoted on a first articulated joint A with respect to the mast bracket 22 and further mast arms 2 to 6 which can be pivoted relative to one another at articulated joints B to F.
  • a trailer 32 with its own undercarriage 34 is provided, which is connected to the undercarriage 10 via a coupling member 36 in the state of road travel.
  • the trailer 32 has a support stool 40 which can be rotated about a vertical axis 38 for receiving an arm package 42 which projects beyond the rear end of the chassis 10 when driving on the road.
  • the arm assembly 42 consists of the second mast arm 2, which is unfolded relative to the first mast arm 1 in the extended position of the second articulated joint B, and the other mast arms 3 to 6, which are in their retracted position relative to the second mast arm 2, and together with the first mast arm 1 forms this Coupling member 36.
  • the vertical axes 20, 38 of the mast bracket 22 and the support frame 40 are designed in the state of road travel as free axes of rotation of the coupling member 36, while the second articulated joint B is freely pivotable about its articulation axis.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

Pompe à béton roulante pourvue d'un cadre de montage (14) monté sur le mécanisme de roulement (10) d'un châssis (12) de camion, d'un support (22) de mât placé sur le cadre de montage (14) et rotatif autour d'un axe vertical (20) et d'un mât distributeur (24) de béton conçu comme mât articulé à plusieurs segments. Ledit mât distributeur de béton, comportant par exemple six segments, possède un premier bras (1) pouvant pivoter par rapport au support (22) de mât au niveau d'une première articulation (A) et d'autres bras (2 à 6) pouvant pivoter les uns par rapport aux autres au niveau d'articulations (B à F). Pour permettre l'utilisation d'un mât distributeur ayant une grande portée, ladite pompe comporte une remorque (32) pourvue de son propre mécanisme de roulement (34) et couplée au mécanisme de roulement (10) par l'intermédiaire d'un élément de couplage (36) lors des déplacements sur route. La remorque (32) comporte un plateau de support (40) rotatif autour d'un axe vertical (38), destiné à recevoir un groupe (42) de bras dépassant par rapport à l'extrémité arrière du mécanisme de roulement (10) lors des déplacements sur route. Le groupe (42) de bras, qui est constitué du deuxième bras (2) déployé dans la position étendue de la deuxième articulation (B) et des autres bras (3 à 6) se trouvant dans leur position reliée par rapport au deuxième bras (2), forme avec le premier bras (1) l'élément de couplage (36). Les axes verticaux (20, 38) du support (22) de mât et du plateau de support (40) sont conçus, lors des déplacements sur route, en tant qu'axes de rotation libres de l'élément de couplage (36), tandis que la deuxième articulation (B) peut pivoter librement autour de son axe d'articulation.
EP04739592A 2003-06-25 2004-06-04 Pompe a beton roulante pourvue d'un mat distributeur Withdrawn EP1636444A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10328770A DE10328770A1 (de) 2003-06-25 2003-06-25 Fahrbare Betonpumpe mit Verteilermast
PCT/EP2004/006038 WO2004113648A1 (fr) 2003-06-25 2004-06-04 Pompe a beton roulante pourvue d'un mat distributeur

Publications (1)

Publication Number Publication Date
EP1636444A1 true EP1636444A1 (fr) 2006-03-22

Family

ID=33521031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04739592A Withdrawn EP1636444A1 (fr) 2003-06-25 2004-06-04 Pompe a beton roulante pourvue d'un mat distributeur

Country Status (6)

Country Link
US (1) US7543851B2 (fr)
EP (1) EP1636444A1 (fr)
KR (1) KR20060026064A (fr)
CN (1) CN100436301C (fr)
DE (1) DE10328770A1 (fr)
WO (1) WO2004113648A1 (fr)

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CN105691478B (zh) * 2016-02-26 2019-06-28 国家电网公司 一种短距离电杆运输车
CN106192845B (zh) * 2016-07-06 2017-11-10 赵冬领 一种减震型水泥混凝土道路自动行走机
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Publication number Publication date
DE10328770A1 (de) 2005-01-27
CN100436301C (zh) 2008-11-26
KR20060026064A (ko) 2006-03-22
US20060140783A1 (en) 2006-06-29
WO2004113648A1 (fr) 2004-12-29
CN1802480A (zh) 2006-07-12
US7543851B2 (en) 2009-06-09

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