EP1002172B1 - Betonverteilungs-arm mit artikulierenden teilen - Google Patents

Betonverteilungs-arm mit artikulierenden teilen Download PDF

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Publication number
EP1002172B1
EP1002172B1 EP98941399A EP98941399A EP1002172B1 EP 1002172 B1 EP1002172 B1 EP 1002172B1 EP 98941399 A EP98941399 A EP 98941399A EP 98941399 A EP98941399 A EP 98941399A EP 1002172 B1 EP1002172 B1 EP 1002172B1
Authority
EP
European Patent Office
Prior art keywords
arm
sections
actuator
section
hydraulic motor
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
EP98941399A
Other languages
English (en)
French (fr)
Other versions
EP1002172A1 (de
Inventor
Mauro Cortellini
Giorgio Moretti
Walter Scuratti
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.)
CIFA SpA
Original Assignee
CIFA SpA
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Filing date
Publication date
Application filed by CIFA SpA filed Critical CIFA SpA
Publication of EP1002172A1 publication Critical patent/EP1002172A1/de
Application granted granted Critical
Publication of EP1002172B1 publication Critical patent/EP1002172B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the present invention relates to concrete supply arms mounted on vehicle-transported concrete pumps having several sections and articulating joints between said sections for moving said arm sections along vertical planes.
  • the actuator mechanisms must only provide said movement - which occurs along an horizontal plane - without supporting the weight of the single arm sections.
  • the actuator mechanisms of the kind of the ones used on the apparatus of UK-A-2132676, may be applied with success in a concrete supply arm, the arm sections of which are foreseen for reciprocal movements along vertical planes ( so that the weight of the single arm sections is at least in part supported by said actuator mechanisms).
  • the present application is thus relative to a concrete supply arm - to be mounted on vehicle-transported concrete pumps - having several sections and articulating joints between said sections for moving said arm sections along vertical planes, characterized in that the relative movement of the sections is performed, in correspondence of at least some of the articulating joints of the arm, by means of actuator mechanisms consisting of a worm gear actuated by a hydraulic motor.
  • said actuators also comprise a locking brake.
  • the relative movement of the sections is performed by means of actuator mechanisms consisting of a worm gear actuated by a hydraulic motor only-at the articulating joints close to the delivery end of the arm.
  • the angular velocity at which the relative movement of the sections takes place may be kept constant, without difficulty, over the entire amplitude of the relative angular displacements and the latter may also be much greater than 280°, with obvious advantages for the operators and improvement in the quality of the work.
  • Fig. 1 shows a schematic view of the construction of an articulation or articulating joint between two end sections of a concrete supply arm according to the prior art: the two sections 1 and 2 are connected by a kinematic mechanism comprising two connecting rods 3 and 4 which are pivotably hinged at 5, 6 and 7 to the two sections 1 and 2 and to one another and a double-acting hydraulic cylinder-piston unit 8, the cylinder of which is pivotably hinged at the closed end at 9 to a lug 1A of the section 1 and the piston of which is pivotably hinged at 10 with its outer end to the connecting rod 3, so as to control the movement of the section 2 with respect to the section 1.
  • a kinematic mechanism comprising two connecting rods 3 and 4 which are pivotably hinged at 5, 6 and 7 to the two sections 1 and 2 and to one another and a double-acting hydraulic cylinder-piston unit 8, the cylinder of which is pivotably hinged at the closed end at 9 to a lug 1A of the section 1 and the piston of which is
  • the maximum angle by which the section 2 is able to be rotated with respect to the section 1 does not exceed 280° (it is equivalent to about 270°), while the angular velocities at which the sections of the arm may be moved are not constant, but continuously variable, since the angles of relative movement of the sections are not proportional to the stroke of the cylinder.
  • an internal actuator 13 in line with both the sections 11 and 12 of the arm, is used.
  • the actuator comprises a worm gear consisting of a worm screw housed in a casing 14 and of a wheel in engagement with said screw, housed inside a casing 15, the latter being located in a special seat 16 formed at the end of the section 11 of the arm.
  • the casing 14 also houses a hydraulic motor which - suitably energised - causes rotation of the the worm screw of the actuator and produces the rotations, in either direction, of the associated wheel, moving the section 12 with respect to the section 11.
  • the actuator also comprises preferably parking brake means so as to lock as securely as possible the two sections 11 and 12 in the desired position.
  • the actuator 13 is again internal and in line with both the sections, but the rest position of the latter, which in the preceding case consisted in the elements resting on top of each other (section 12 folded underneath the section 11), in this case consists in the elements being aligned with each other, with the section 12 which is at rest being arranged aligned as a continuation of the section 11.
  • the actuator 13 is again internal, but is in line with only one of the sections of the arm to be moved relative to one another, for example with the section 11.
  • an actuator 23 which is located outside both the sections 21 and 22 of the arm is used.
  • the actuator comprises a worm screw housed in a casing 24 and a wheel in engagement with said screw, housed in a casing 25.
  • the casing 24 also houses a hydraulic motor which - suitably energised - causes rotation of the worm screw of the actuator and produces rotations, in either direction, of the associated wheel, moving the section 22 with respect to the section 21 .
  • the actuator is arranged alongside the ends of the sections 21 and 22 which are articulated with one another and is connected to the section 21 by an anti-torsional bar 21A and to the section 22 by the output shaft moved by the wheel housed inside the casing 25.
  • the actuator preferably comprises locking brake means, so as to lock as securely as possible the two sections 21 and 22 in the desired position.
  • locking brake means so as to lock as securely as possible the two sections 21 and 22 in the desired position.
  • Fig. 10 illustrates a possible construction of an actuator 30 to be applied to any one of the embodiments according to Figs. 2 and 9 of the concrete supply arm according to the invention.
  • the actuator illustrated comprises, inside a casing 31 to be associated with the arm by means of the lug 31A, a transmission consisting of a worm screw 32 and of a wheel 33 housed respectively in the parts 34 and 35 of the casing 31, with which there are also associated an orbital hydraulic motor 36, which causes rotation, whenever suitably energised, of the worm screw 32 and a lamellar brake 37 intended to lock in the desired position the shaft of the screw 32 and hence the two sections of the arm on the articulating joint of which the actuator 30 is mounted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manipulator (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Jib Cranes (AREA)
  • Braking Arrangements (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Reciprocating Pumps (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (6)

  1. Betonzuführungsarm, der an auf einem Fahrzeug transportierten Betonpumpen anzubringen ist, mit mehreren Abschnitten (11, 12; 21, 23) und gelenkigen Verbindungen zwischen den genannten Abschnitten, um die Armabschnitte in vertikalen Ebenen zu bewegen, dadurch gekennzeichnet, daß die Relativbewegung der Armabschnitte (11, 12; 21, 22) in Übereinstimmung mit zumindest einigen der gelenkigen Verbindungen des Arms mittels eines Betätigungsmechanismus (13, 23) ausgeführt wird, der aus einem durch einen Hydraulikmotor angetriebenen Schneckengetriebe besteht.
  2. Arm nach Anspruch 1, dadurch gekennzeichnet, daß die genannten Betätigungen eine Blockierungsbremse aufweisen.
  3. Arm nach Anspruch 2, dadurch gekennzeichnet, daß die Blockierungsbremse eine Lamellenbremse (37) ist, die dem Betätigungsmechanismus (31, 32, 33) zugeordnet ist.
  4. An nach Anspruch 3, dadurch gekennzeichnet, daß der Hydraulikmotor ein Orbitalmotor (36) ist.
  5. Arm nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Relativbewegung der Abschnitte (11, 12; 21, 22) mittels Betätigungsmechanismen ausgeführt wird, die aus einem Schneckengetriebe bestehen, das durch einen Hydraulikmotor angetrieben ist, ausschließlich in Übereinstimmung mit den gelenkigen Verbindungen in der Nähe des Abgabeendes des Arms.
  6. Arm nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Relativbewegung der Abschnitte (1 1, 12; 21, 22) mittels Betätigungsmechanismen ausgeführt wird, die aus einem Schneckengetriebe bestehen, das durch einen Hydraulikmotor angetrieben ist, ausschließlich in Übereinstimmung mit der letzten gelenkigen Verbindung in der Nähe des Abgabeendes des Arms.
EP98941399A 1997-07-31 1998-07-22 Betonverteilungs-arm mit artikulierenden teilen Expired - Lifetime EP1002172B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI971835 1997-07-31
IT97MI001835A IT1293518B1 (it) 1997-07-31 1997-07-31 Braccio a piu' tronchi snodati per la distribuzione del calcestruzzo
PCT/EP1998/004588 WO1999006650A1 (en) 1997-07-31 1998-07-22 Concrete supply arm with articulated sections

Publications (2)

Publication Number Publication Date
EP1002172A1 EP1002172A1 (de) 2000-05-24
EP1002172B1 true EP1002172B1 (de) 2001-10-10

Family

ID=11377687

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98101317A Withdrawn EP0894915A1 (de) 1997-07-31 1998-01-26 Betonverteilungs-Arm mit artikulierten Teilen
EP98941399A Expired - Lifetime EP1002172B1 (de) 1997-07-31 1998-07-22 Betonverteilungs-arm mit artikulierenden teilen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98101317A Withdrawn EP0894915A1 (de) 1997-07-31 1998-01-26 Betonverteilungs-Arm mit artikulierten Teilen

Country Status (17)

Country Link
EP (2) EP0894915A1 (de)
CN (1) CN1265719A (de)
AR (1) AR015139A1 (de)
AT (1) ATE206793T1 (de)
AU (1) AU8978498A (de)
CA (1) CA2298508A1 (de)
CO (1) CO4840534A1 (de)
DE (1) DE69801997T2 (de)
DK (1) DK1002172T3 (de)
ES (1) ES2165698T3 (de)
HR (1) HRP20000046A2 (de)
IT (1) IT1293518B1 (de)
PL (1) PL338450A1 (de)
PT (1) PT1002172E (de)
TR (1) TR200000265T2 (de)
WO (1) WO1999006650A1 (de)
ZA (1) ZA986638B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019133396A1 (de) * 2019-11-15 2021-05-20 Schwing Gmbh Gelenkantrieb mit Planetengetriebe, Großmanipulator und Autobetonpumpe
DE102019133380A1 (de) * 2019-11-15 2021-05-20 Schwing Gmbh Gelenkantrieb mit Schneckengetriebe, Großmanipulator und Autobetonpumpe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT511833B1 (de) 2011-11-10 2013-03-15 Schwing Gmbh F Mastaufbau insbesondere für eine autobetonpumpe
DE102014203054A1 (de) * 2014-02-20 2015-09-03 Putzmeister Engineering Gmbh Betonverteilermast, insbesondere einer fahrbaren Betonpumpe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1759404C3 (de) * 1968-04-27 1974-03-28 Friedrich Dipl.-Ing. 4680 Wanne-Eickel Schwing Vorrichtung zum Verteilen von Beton
US3572380A (en) * 1968-10-08 1971-03-23 Challenge Cook Bros Inc Concrete pump boom
US4519768A (en) * 1982-10-29 1985-05-28 Takenaka Komuten Co., Ltd. Apparatus for horizontally casting concrete

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019133396A1 (de) * 2019-11-15 2021-05-20 Schwing Gmbh Gelenkantrieb mit Planetengetriebe, Großmanipulator und Autobetonpumpe
DE102019133380A1 (de) * 2019-11-15 2021-05-20 Schwing Gmbh Gelenkantrieb mit Schneckengetriebe, Großmanipulator und Autobetonpumpe

Also Published As

Publication number Publication date
CA2298508A1 (en) 1999-02-11
DE69801997T2 (de) 2002-05-16
DK1002172T3 (da) 2002-02-11
ES2165698T3 (es) 2002-03-16
EP1002172A1 (de) 2000-05-24
EP0894915A1 (de) 1999-02-03
PT1002172E (pt) 2002-03-28
TR200000265T2 (tr) 2000-05-22
PL338450A1 (en) 2000-11-06
CN1265719A (zh) 2000-09-06
ZA986638B (en) 1999-02-02
HRP20000046A2 (en) 2001-10-31
AU8978498A (en) 1999-02-22
AR015139A1 (es) 2001-04-18
IT1293518B1 (it) 1999-03-01
CO4840534A1 (es) 1999-09-27
DE69801997D1 (de) 2001-11-15
WO1999006650A1 (en) 1999-02-11
ATE206793T1 (de) 2001-10-15
ITMI971835A1 (it) 1999-01-31

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