EP0472821A1 - Dispositif de manoeuvre et de positionnement d'éléments en béton préfabriqué - Google Patents

Dispositif de manoeuvre et de positionnement d'éléments en béton préfabriqué Download PDF

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Publication number
EP0472821A1
EP0472821A1 EP91108088A EP91108088A EP0472821A1 EP 0472821 A1 EP0472821 A1 EP 0472821A1 EP 91108088 A EP91108088 A EP 91108088A EP 91108088 A EP91108088 A EP 91108088A EP 0472821 A1 EP0472821 A1 EP 0472821A1
Authority
EP
European Patent Office
Prior art keywords
frame
scaffold frame
scaffold
frame element
pivot
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
Application number
EP91108088A
Other languages
German (de)
English (en)
Other versions
EP0472821B1 (fr
Inventor
Gerhard Suckfüll
Brunhilde Suckfüll
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0472821A1 publication Critical patent/EP0472821A1/fr
Application granted granted Critical
Publication of EP0472821B1 publication Critical patent/EP0472821B1/fr
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
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/54—Internally-expanding grippers for handling hollow articles
    • 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
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/161—Handling units comprising at least considerable parts of two sides of a room or like enclosed space

Definitions

  • the invention relates to a device for moving and positioning prefabricated concrete parts, which are designed as frame elements, are stacked on top of each other and the outer wall of a room, for example. a burial chamber.
  • the prior art is to be explained below with the aid of rectangular prefabricated concrete parts, such as have become known from DE-PS 35 37 367 by the applicant as frame-like wall parts of a burial chamber.
  • the device according to the invention is not limited to such an application. It can also be used to move and position round frame elements such as Manhole rings are used; it is also suitable for frame elements with an irregular outline.
  • the invention has for its object to reduce the costs for moving and positioning when installing such prefabricated concrete parts, especially by reducing the need for personnel, but also by avoiding the attachment of completely or partially lost coupling agents, the safety when carrying out these measures increase and make the use of human power unnecessary.
  • the device has a scaffold frame that can be lowered into the frame element, on the underside of which at least two pivot levers under the frame element sit with a pivot drive that can be actuated by means of a lifting device that is detachably coupled to the device.
  • the attachment of coupling means to the frame element can be dispensed with entirely.
  • the swivel levers that take up the load By reaching under the frame element by means of the swivel levers that take up the load, the occurrence of a lateral hoist is avoided. Since the device is arranged within the frame element, no excess width of the pit receiving the burial chamber is required.
  • the use of a gripper excavator allows the gripper to engage the swivel drive of the device, so that the device is first inserted into the frame element by means of the excavator and then swiveled together with this over the grave site or pit without the load swinging , so that there is no need for human strength and therefore no security problems can arise.
  • the scaffold frame has a shape corresponding to the inner contour of the frame element, wherein it expediently only extends over at least two areas of the inner contour of the frame element against which it bears against the inner surface thereof.
  • the correspondence of the contours ensures a good fixation of the frame in the frame element, while the restriction to two contact areas of the frame makes it easier to insert it into the frame element.
  • the two areas of the scaffolding frame which bear against the inner surface of the frame element are arranged opposite one another.
  • the distance between the two opposite areas of the scaffolding frame is adjustable.
  • a flange directed outwards at a right angle.
  • This flange represents a stop that limits the depth of the scaffold in the frame element; As soon as the flange comes to rest on the upwardly facing surface of the frame element, the lowering process is finished.
  • a preferred embodiment of the device according to the invention for use with rectangular frame elements is designed such that the scaffold frame also has a rectangular shape and its long sides lie against the inner surface of the long sides of the frame element, while its short sides are spaced from the short sides of the frame element are held, with spacers on the outside of the short sides of the scaffold frame, the free ends of which have a downward and inward slope.
  • This configuration again facilitates the insertion of the scaffold frame into the frame element, since initially only the two long sides of the scaffold frame have to be within the contour of the frame element, while one of the spacers can still rest on one of the short sides of the frame element .
  • the scaffold frame By longitudinal movement of the scaffold frame with simultaneous sliding of the spacer on the short side of the frame element, the scaffold frame is moved until the spacer comes free from this short side and is within the contour of the frame element; the other spacer then comes to bear against the inner surface of the opposite short side of the frame element, since according to the invention the sum of the length dimensions of the two spacers and the long side of the scaffold frame is equal to the inner length of the frame element.
  • the spacers can be changed in length.
  • tabs which point downward form the bearing of the pivot levers on the scaffold frame, these tabs being arranged in a rectangular configuration of the scaffold frame in its four corner regions.
  • the pivot levers can be designed as grippers which can be snapped into recesses provided on the lower edge of the frame elements or as holders which can be pressed against the inner surface of the frame elements.
  • an outward projection is provided at the lower end of the pivot lever, the length of which is dimensioned such that it forms a first guide element sliding on the inner surface of the frame element when the scaffold frame is lowered. This ensures that when the scaffold frame is lowered, it does not result in inclined positions in the frame element and thereby undesirable jamming of the scaffold frame.
  • An improvement of this measure can be achieved according to the invention in that the outward-facing side of the folded-back swivel levers forms a second guide element sliding on the inner surface of the frame element. In this way, secure guidance of the scaffold frame in the frame element is ensured over the entire height of the lowering path.
  • the pivot lever is provided with an axis which penetrates the frame frame centrally and has scissor-like control levers which are rotatably mounted at its ends, the lower end of each control lever being connected to the lower end of a pivot lever via a link.
  • the lower ends of the control levers are connected to one another by means of a resilient return element, in the lower gap the control lever is inserted a stop preventing it from falling through.
  • the scaffolding frame Since a grab excavator is not available everywhere, the scaffolding frame must also be usable in combination with a crane.
  • the invention provides that on an outward hanging tab is attached to the upper end of each control lever.
  • a two-strand chain sling is fastened in each of the two hanging brackets assigned to a short side, so that when the scaffold frame is raised, the shift rods are moved toward one another, ie the closed position of the scaffold frame is brought about.
  • a locking member that can be inserted into the upper gap of the control levers is held on the scaffolding frame according to an advantageous feature of the invention.
  • This locking member ensures, when it is inserted into the upper gap of the control lever, for the open position of the scaffold frame; In order to allow it to move into the closed position, it must be removed from the upper gap when the chain slings have weakened.
  • an upwardly projecting eyelet is provided in each of its four corner areas, a two-strand chain sling being fastened in the two eyelets on each short side of the scaffold frame by means of shackles, which is attached at its other end in a safety hook attached to the gripper of the grab excavator is attached.
  • shackles which is attached at its other end in a safety hook attached to the gripper of the grab excavator is attached.
  • the scaffolding frame has a height which corresponds to the height of a plurality of stacked frame elements, it being divided into two levels connected by vertical struts, of which the lower one with the pivoting levers and spacers and the upper one with the pivoting drive and the coupling means for connection to the hoist is provided. It has proven to be quite favorable if upright angles are attached to the upper level of the scaffold frame, the outward-oriented horizontal legs of which correspond to the flange of the contact areas of the scaffold frame. In this way, the entire wall of a burial chamber can be moved and positioned in one go.
  • FIGS. 1 and 2 show a prefabricated concrete part in the form of a rectangular frame element 1 with the two long sides 1 a, 1 and the two short sides 1 c, 1.
  • four recesses 2 open inwards and downwards are provided on the lower edge of the frame element 1.
  • a scaffold frame 3 which is also rectangular. Its two long sides 3a, 3b are shorter than the long sides 1a, 1 of the frame element 1 and lie against their inner surfaces, while its two short sides 3c, 3d are approximately as long as the inner dimension of the short sides 1c, 1 of the frame -Elements 1 and are arranged at a distance from this. This distance is bridged by a spacer 4a, 4b, which is seated centrally on the outside on the short sides 3c, 3d, the free end of which has a downward and inward bevel 5.
  • the long sides 3a, 3b of the scaffold frame 3 are provided with an outwardly directed flange 6 which, in the completely lowered position of the scaffold frame 3, comes to rest on the upwardly facing surface of the long sides 1a, 1 of the frame element 1.
  • retaining eyelets 7 are provided on the upper side thereof.
  • pivot levers 9 are mounted, which have an outward projection 9a and an inward bearing boss 9b at their lower end.
  • a handlebar 10 is held on each bearing projection 9b, through which the pivot lever 9 is connected in an articulated manner to the lower end of a control lever 11 or 11.
  • the control levers 11a, 11 are arranged like scissors and are rotatably mounted on both ends of an axis 12 penetrating the frame 3 in the middle.
  • the upper ends of the two control levers 11 are connected to one another by means of a shift rod 13a and the upper ends of the two control levers 11b are connected to one another by means of a shift rod 13b and have hook-in tabs 14a, 14b directed outwards.
  • the lower legs of the control levers 11a, 11 are connected by means of a resilient return element 15 in the form of a helical tension spring; in addition, in the gap between the lower legs of the control levers 11a, 11 there is provided a stop 16 preventing them from falling through.
  • a locking member 18 is held at 17 so as to be longitudinally displaceable and pivotable is insertable into the gap between the upper legs of the control lever 11 a, 11 b.
  • the projections 9a of the swivel lever 9 are latched into the recesses 2.
  • the frame element 1 is therefore gripped at four points and can be raised, pivoted and rotated by means of the gripper excavator until it is in the desired position; since the gripper 21 has gripped the switching rods 13a, 13b between them during all of these operations, the movements caused by the gripper excavator are again transmitted directly to the scaffold frame 3 together with the load without the occurrence of pendulum movements.
  • the chain hangers 20 are relaxed; the scaffold frame 3 together with the load is held and carried solely by the gripper 21 of the gripper excavator.
  • the gripper 21 is opened, which at the same time means that the scaffolding frame 3 is moved into the open position, so that it can be moved out of the frame element 1 by lifting the gripper 21; the chain slings 20 are tensioned.
  • the frame element 1 is the wall part of a burial chamber, the scaffolding frame 3 can be suspended and the grab excavator - for loose soil such as sand, gravel or rolling gravel - can be used for dredging inside the frame element 1, which is used as Sliding formwork is used.
  • the two-strand chain slings 19 are fastened at the bottom in the suspension links 14a, 14b and at the top on the crane hook.
  • the locking member 18 In all operations that require the open position of the scaffolding frame 3, the locking member 18 must be in the gap between the upper legs of the control levers 11 a, 11 b; Only when the scaffold frame 3 assumes the completely lowered position according to FIG. 1 can the locking member 18 be released, whereupon the closed position of the scaffold frame 3 is brought about by moving the crane upwards.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Fencing (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Movable Scaffolding (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP91108088A 1990-08-30 1991-05-18 Dispositif de manoeuvre et de positionnement d'éléments en béton préfabriqué Expired - Lifetime EP0472821B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027447 1990-08-30
DE4027447A DE4027447A1 (de) 1990-08-30 1990-08-30 Einrichtung zum bewegen und positionieren von beton-fertigteilen

Publications (2)

Publication Number Publication Date
EP0472821A1 true EP0472821A1 (fr) 1992-03-04
EP0472821B1 EP0472821B1 (fr) 1995-06-14

Family

ID=6413239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108088A Expired - Lifetime EP0472821B1 (fr) 1990-08-30 1991-05-18 Dispositif de manoeuvre et de positionnement d'éléments en béton préfabriqué

Country Status (6)

Country Link
EP (1) EP0472821B1 (fr)
AT (1) ATE123742T1 (fr)
CA (1) CA2047850A1 (fr)
DE (2) DE4027447A1 (fr)
DK (1) DK0472821T3 (fr)
ES (1) ES2073616T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111807216A (zh) * 2020-06-30 2020-10-23 中国建筑第五工程局有限公司 一种装配式建筑预制构件的吊装装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410395A1 (de) * 1994-03-25 1995-09-28 Siemens Ag Haltevorrichtung zum Hintergreifen einer Last, insbesondere eines Behälters für Kernbrennstoff
DE19508347A1 (de) * 1995-03-09 1996-09-12 Abb Patent Gmbh Zuganker für eine Hebevorrichtung
CN109353835B (zh) * 2018-12-21 2023-10-13 江苏江桥机械制造有限公司 一种自动高速砌块码垛生产线
CN114250981B (zh) * 2021-12-31 2023-04-07 中建八局第一建设有限公司 一种装配式钢结构安装装置及其实施方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677570A (en) * 1952-04-07 1954-05-04 Jones & Laughlin Steel Corp Article handling device
US2832633A (en) * 1954-06-30 1958-04-29 Richard E Compson Lifting device for coiled material
US3057651A (en) * 1960-05-06 1962-10-09 Blocklifter Corp Tool for handling building blocks
FR1399631A (fr) * 1963-04-05 1965-05-21 Dispositif de préhension pour soulever des récipients ou autres objets
CH424147A (fr) * 1965-10-28 1966-11-15 Tissieres Francois Appareil de levage et de mise en place d'éléments de construction
FR2201379A1 (fr) * 1972-10-04 1974-04-26 Nord Pas Calais Houilleres
US4784398A (en) * 1987-05-18 1988-11-15 Lund Arnold M Core lifting chuck
DE8900457U1 (de) * 1989-01-17 1989-03-16 Mühlbauer, Roland, 8600 Bamberg Vorrichtung zur Aufnahme von Lasten, insbesondere von Industrie-Schleifscheiben o.dgl.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7343325U (de) * 1974-03-07 Cordes J & E Gmbh Gerät zum Anheben von Kanalschachtringen
DE6751687U (de) * 1968-07-26 1969-02-13 Guenter L Geise Schacht aus fertigteilen
DE2318733A1 (de) * 1973-04-13 1974-10-24 Gustav Deeken Vorrichtung zum abheben von schachtabdeckungen
CH665863A5 (en) * 1984-09-10 1988-06-15 Ferdinand Kofel Road surface shaft frame-lifting tackle - has central lifting bar with thrust and puller arms and wedges
DE8602240U1 (de) * 1986-01-29 1986-03-06 Müller, Franz, 8949 Pfaffenhausen Schachtring-Hebegerät

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677570A (en) * 1952-04-07 1954-05-04 Jones & Laughlin Steel Corp Article handling device
US2832633A (en) * 1954-06-30 1958-04-29 Richard E Compson Lifting device for coiled material
US3057651A (en) * 1960-05-06 1962-10-09 Blocklifter Corp Tool for handling building blocks
FR1399631A (fr) * 1963-04-05 1965-05-21 Dispositif de préhension pour soulever des récipients ou autres objets
CH424147A (fr) * 1965-10-28 1966-11-15 Tissieres Francois Appareil de levage et de mise en place d'éléments de construction
FR2201379A1 (fr) * 1972-10-04 1974-04-26 Nord Pas Calais Houilleres
US4784398A (en) * 1987-05-18 1988-11-15 Lund Arnold M Core lifting chuck
DE8900457U1 (de) * 1989-01-17 1989-03-16 Mühlbauer, Roland, 8600 Bamberg Vorrichtung zur Aufnahme von Lasten, insbesondere von Industrie-Schleifscheiben o.dgl.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111807216A (zh) * 2020-06-30 2020-10-23 中国建筑第五工程局有限公司 一种装配式建筑预制构件的吊装装置
CN111807216B (zh) * 2020-06-30 2022-02-15 中国建筑第五工程局有限公司 一种装配式建筑预制构件的吊装装置

Also Published As

Publication number Publication date
ES2073616T3 (es) 1995-08-16
ATE123742T1 (de) 1995-06-15
CA2047850A1 (fr) 1992-03-01
DE59105690D1 (de) 1995-07-20
EP0472821B1 (fr) 1995-06-14
DK0472821T3 (da) 1995-08-07
DE4027447A1 (de) 1992-03-12

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