EP1002172A1 - Betonverteilungs-arm mit artikulierenden teilen - Google Patents
Betonverteilungs-arm mit artikulierenden teilenInfo
- Publication number
- EP1002172A1 EP1002172A1 EP98941399A EP98941399A EP1002172A1 EP 1002172 A1 EP1002172 A1 EP 1002172A1 EP 98941399 A EP98941399 A EP 98941399A EP 98941399 A EP98941399 A EP 98941399A EP 1002172 A1 EP1002172 A1 EP 1002172A1
- 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.)
- Granted
Links
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 - in particular arms mounted on vehicle-transported concrete pumps - having several sections and articulating joints between said sections.
- the present invention considers and solves these problems by providing a concrete supply arm - to be mounted in particular on vehicle-transported concrete pumps - having several sections and articulating joints between said sections, 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
- Fig. 1 is a schematic view of the articulation between two end sections of a concrete supply arm according to the prior art
- Figs. 2 and 3 are two schematic views - a side view and a plan view - of an articulating joint between two sections of a concrete supply arm equipped, according to a first embodiment of the invention, with an internal actuator;
- Figs. 4 and 5 are two similar schematic views of a different embodiment of the solution according to Figs. 2 and 3;
- Figs. 6 and 7 are two similar schematic views of a further embodiment of the solution according to Figs. 2 and 3;
- Figs. 8 and 9 are two schematic views - a side view and a plan view - of an articulating joint between two sections of a concrete supply arm equipped, according to another embodiment of the invention, with an external actuator;
- Fig. 10 shows in detail a sectional view of a possible construction of one of the actuators applied to the embodiments of Figs. 2 to 9 of the invention.
- 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 1 A 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 1 A of the section 1 and the piston of
- 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 1 in line with both the sections 1 1 and 1 2 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 1 5, the latter being located in a special seat 1 6 formed at the end of the section 1 1 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 1 2 with respect to the section 1 1 .
- the actuator also comprises preferably parking brake means so as to lock as securely as possible the two sections 1 1 and 1 2 in the desired position. It can be clearly seen that it is possible to exceed without difficulty, using this solution, an angle of movement of the section 1 2 with respect to the section 1 1 which is far greater than 280° and it is obvious that, by using the actuator 1 3, it is possible to achieve a constant angular velocity during the movement.
- parking brake means so as to lock as securely as possible the two sections 1 1 and 1 2 in the desired position.
- the actuator 1 3 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 1 2 folded underneath the section 1 1 ), in this case consists in the elements being aligned with each other, with the section 1 2 which is at rest being arranged aligned as a continuation of the section 1 1 .
- the actuator 1 3 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 1 1 .
- 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 conne.cted to the section 21 by an anti-torsional bar 21 A 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 31 A, a transmission consisting of a worm screw
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)
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 true EP1002172A1 (de) | 2000-05-24 |
EP1002172B1 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) |
Families Citing this family (4)
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 |
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 |
Family Cites Families (3)
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 |
-
1997
- 1997-07-31 IT IT97MI001835A patent/IT1293518B1/it active IP Right Grant
-
1998
- 1998-01-26 EP EP98101317A patent/EP0894915A1/de not_active Withdrawn
- 1998-07-22 ES ES98941399T patent/ES2165698T3/es not_active Expired - Lifetime
- 1998-07-22 TR TR2000/00265T patent/TR200000265T2/xx unknown
- 1998-07-22 AT AT98941399T patent/ATE206793T1/de active
- 1998-07-22 PT PT98941399T patent/PT1002172E/pt unknown
- 1998-07-22 CA CA002298508A patent/CA2298508A1/en not_active Abandoned
- 1998-07-22 EP EP98941399A patent/EP1002172B1/de not_active Expired - Lifetime
- 1998-07-22 CN CN98807779A patent/CN1265719A/zh active Pending
- 1998-07-22 DE DE69801997T patent/DE69801997T2/de not_active Expired - Lifetime
- 1998-07-22 PL PL98338450A patent/PL338450A1/xx unknown
- 1998-07-22 AU AU89784/98A patent/AU8978498A/en not_active Abandoned
- 1998-07-22 WO PCT/EP1998/004588 patent/WO1999006650A1/en active IP Right Grant
- 1998-07-22 DK DK98941399T patent/DK1002172T3/da active
- 1998-07-24 ZA ZA986638A patent/ZA986638B/xx unknown
- 1998-07-30 CO CO98043557A patent/CO4840534A1/es unknown
- 1998-07-31 AR ARP980103821A patent/AR015139A1/es unknown
-
2000
- 2000-01-27 HR HR20000046A patent/HRP20000046A2/hr not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9906650A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2298508A1 (en) | 1999-02-11 |
DE69801997T2 (de) | 2002-05-16 |
EP1002172B1 (de) | 2001-10-10 |
DK1002172T3 (da) | 2002-02-11 |
ES2165698T3 (es) | 2002-03-16 |
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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