EP3403797A1 - Dispositif et système de construction d'un coffrage en béton - Google Patents

Dispositif et système de construction d'un coffrage en béton Download PDF

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Publication number
EP3403797A1
EP3403797A1 EP17171759.8A EP17171759A EP3403797A1 EP 3403797 A1 EP3403797 A1 EP 3403797A1 EP 17171759 A EP17171759 A EP 17171759A EP 3403797 A1 EP3403797 A1 EP 3403797A1
Authority
EP
European Patent Office
Prior art keywords
cross member
formwork
connecting parts
wall
lower cross
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Withdrawn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
EP17171759.8A
Other languages
German (de)
English (en)
Inventor
Andreas Reymann
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.)
Ratec Maschinenentwicklungs- und Verwaltungs-Gmbh
Ratec Maschinenentwicklungs und Verwaltungs GmbH
Original Assignee
Ratec Maschinenentwicklungs- und Verwaltungs-Gmbh
Ratec Maschinenentwicklungs und Verwaltungs 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 Ratec Maschinenentwicklungs- und Verwaltungs-Gmbh, Ratec Maschinenentwicklungs und Verwaltungs GmbH filed Critical Ratec Maschinenentwicklungs- und Verwaltungs-Gmbh
Priority to EP17171759.8A priority Critical patent/EP3403797A1/fr
Publication of EP3403797A1 publication Critical patent/EP3403797A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/0017—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps for attaching mould walls on mould tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
    • B28B23/024—Supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets

Definitions

  • the invention relates to a device for building a concrete formwork for use in a system for building a concrete formwork and also such a system for building a concrete formwork.
  • the form to be produced is set up on a formwork table (base plate) consisting of several formwork elements and then poured with concrete.
  • the formwork table is made of magnetic material, so that the formwork elements can be held by means of magnetic bodies relative to the formwork table.
  • the formwork elements comprise a wood or metal plate, which is in direct contact with the concrete.
  • corresponding projections or holders are attached to this plate, which cooperate with the magnetic bodies to fix the plate in a vertical or angled orientation relative to the formwork table can.
  • Modern formwork systems can also work with shuttering robots.
  • the individual formwork elements and the magnetic body are then from a robot automatically positioned on the formwork table and after casting the precast concrete also removed or collected.
  • the advantage of such a robot system is, among other things, that the positioning of the formwork elements can be extremely accurate and independent of manual work on site.
  • the object of the present invention is therefore to provide a modern formwork system in which the flexibility is increased with respect to the shapes to be produced. It is to be created a structure of a formwork, which can be used efficiently for a variety of manufactured forms of precast concrete parts.
  • a device for building a concrete formwork with an upper cross member and a lower cross member for holding a formwork wall opposite a formwork table, wherein the lower cross member is adapted for coupling to a fixing element for fixing on the formwork table ; a plurality of identically shaped connecting parts for detachably connecting the cross members at variable positions along a longitudinal axis of the cross members, the two cross members extending parallel to each other; and wherein a distance of the cross members is determined by a length of the connecting parts to each other.
  • the invention provides a formwork system for building concrete formwork with a device as defined above; a formwork wall; a formwork table; and a fixing member for releasably securing the device to the formwork table.
  • two cross members of variable length can hold a separately formed shuttering panel relative to the shuttering table.
  • the formwork wall is preferably fastened to the two cross members.
  • the lower cross member can be fixed with a fixing element on the formwork table or held relative to the formwork table.
  • the two cross members are connected to each other according to the invention with connecting parts. These connecting parts have identical design and set the distance of the cross member to each other.
  • the cross members are parallel to each other, their longitudinal axes are aligned in parallel. When set up, the device according to the invention holds a formwork wall opposite the formwork table.
  • the device according to the invention in the sense of a modular system be built variable and also disassembled again.
  • the device is thus modular in that it consists of a few simple components which can be combined and assembled in a variable manner so as to allow the construction of a formwork of more or less any size.
  • a kit with cross members and connecting parts of different lengths and with different sized formwork walls is available. From the kit according to the invention now cross member corresponding length can be selected, which thus define the maximum length of the formwork wall or the concrete part to be manufactured. Furthermore, connecting parts matching height can be selected, which determine the maximum height or thickness of the concrete part to be manufactured. Connecting parts and cross members are detachably connected to each other and hold the formwork wall.
  • the connecting parts connect the cross member at different (variable) locations. The positioning of the connecting parts along the longitudinal axis of the cross member is selectable, so that the flexibility in the production is further increased.
  • the upper cross member and the lower cross member are formed identically. If, in addition to the connecting parts, the cross members are also identical, the number of required components is further reduced. It is only necessary to keep available connecting parts in different lengths and cross members of different lengths in stock. Depending on how long the cross member and the connecting parts are selected, a formwork wall virtually any size can be kept on the formwork table.
  • the upper cross member and the lower cross member have a U-shaped profile with the U-backs facing each other.
  • maximum stability is achieved with low weight.
  • the manufacturing cost of the carrier and the transport and storage costs are reduced.
  • both cross beams are aligned in the assembled state of the device against each other, so that the backs of the U-shaped profiles are oriented to each other. As a result, a high stability can be ensured with low weight.
  • the upper cross member and the lower cross member along their longitudinal axes in each case a plurality of, the other cross member facing holes; and the connection parts for connecting the cross member are formed on opposite holes of the cross member.
  • the cross members each have a hole pattern with identically spaced holes along their longitudinal axes.
  • the cross members or their holes are designed so that the connecting parts can be connected thereto.
  • a Screw connection may be provided, wherein the connecting parts also have (screw) holes which correspond to the holes in the cross members. Then, each side of the connecting part can be screwed to two opposite holes on both cross members and fixed at a position along the longitudinal axis of the two cross members.
  • the connecting part can be easily attached to other holes of the plurality of holes, so that can be left for reinforcing iron, which protrude at a predetermined position from the concrete to be manufactured, space.
  • the device comprises an adapter piece for fastening to the formwork wall to be held and at a variable position along the longitudinal axis of the upper cross member and / or the lower cross member.
  • the formwork wall can be attached directly to the cross members and / or to the connecting parts.
  • an adapter piece is provided, which can be fastened on the one hand at a variable position along the longitudinal axis of at least one cross member and on the other hand on the formwork wall.
  • the cross member may also have a hole pattern on its side facing the formwork wall.
  • the device comprises a coupling element fastened on the side of the upper cross member facing away from the formwork table for coupling the device to a handling traverse or to a robotic arm of a carrying robot (often also referred to as shuttering robot).
  • a coupling element also referred to as Greifknof
  • Greifknof is provided directly on the top of the cross member, which is attached to the device and with which the entire device fixed to a handling traverse or lifted and moved by the carrying robot can.
  • a standard coupling is used for receiving a handling crossbar. Handling is simplified, a more efficient production of precast concrete parts is achieved.
  • the upper cross member and the lower cross member each have a plurality of the formwork wall facing holes, which are formed for securing the formwork wall.
  • the upper cross member and the lower cross member for coupling to adjacent cross member of a second, in principle, identically formed device are formed.
  • Several cross members can be arranged behind each other, so as to be able to represent a greater overall length.
  • several short cross member can be connected to hold a large formwork wall can.
  • a corresponding connecting element may be provided which connects the cross members to be connected by screwing on the hole grid. The number of components to be kept is further reduced; the efficiency in the production is further improved.
  • the connecting parts have a U-shaped profile.
  • a U-shaped profile high stability is achieved with relatively little weight. Easy manufacturability is achieved.
  • the device according to the invention comprises a screw connection for fastening the connecting parts to the cross members.
  • the connecting parts are thus screwed to the cross member.
  • the formwork wall has at least one recess for performing reinforcing iron; and the connecting parts and the cross members are arranged so that an alignment of the recess neither a connecting part nor a cross member intersects. Due to the fact that in concrete parts often reinforcing bars have to protrude from the edges at predefined locations, it is necessary in the production that the shuttering wall has corresponding recesses through which reinforcing bars can protrude.
  • the device according to the invention allows the implementation of reinforcing iron through the recesses in that in the alignment of the recess no connecting part is arranged.
  • the connecting part is offset relative to the longitudinal axis of the cross member (and secured at another location) so that the recess remains free.
  • the fixing element comprises a magnetic body or a magnetic box for magnetic attachment to the formwork table.
  • This magnetic box allows a quick coupling and release of the device on the formwork table.
  • the desired shape of the concrete part to be manufactured can be reproduced quickly and efficiently on the formwork table.
  • the fixing element comprises a clamping piece fastened to the magnetic box for clamping the lower cross member between clamping piece and shuttering table.
  • the clamp clamps the lower crossbar firmly onto the formwork table.
  • the magnetic box is attached to the clamping piece.
  • the shuttering wall made of wood and / or metal; the formwork wall is made up of several layers; and / or has the shuttering wall profiling on a surface facing away from the device.
  • the device according to the invention also allows flexibility and easy interchangeability with respect to the formwork wall used, in particular with respect to its surface.
  • FIG. 1 a device 10 according to the invention for the construction of a concrete formwork is shown.
  • the device 10 comprises an upper cross member 12 and a lower cross member 14 which are interconnected by at least two identically shaped connecting parts 16.
  • the cross members 12, 14 In the connected state, the cross members 12, 14 extend parallel to each other insofar as their longitudinal axes are aligned parallel.
  • the connecting parts 16 By the length of the connecting parts 16, the distance of the cross member 12, 14 is defined to each other.
  • the cross members 12, 13 have an identical cross section in the form of a flat U.
  • the connecting parts 16 are detachably mounted between the cross members 12, 14.
  • the connecting parts 16 are fastened both to the upper cross member 12 and to the lower cross member 14, each by a screw connection 18. It is understood that, alternatively, other releasable compounds such. B. a clamp connection or a hook system, etc. can be used.
  • the position of the connecting parts 16 along the longitudinal axis of the cross members 12, 14 is variable.
  • the connecting parts 16 can thus be moved along the longitudinal axis of the cross member 12, 14 and secured at other locations.
  • the screw 18 engages in another corresponding pair of holes of the hole pattern in the upper and lower cross member 12, 14.
  • the positions of the connecting parts 16 along the cross member 12, 14 can therefore be varied. As a result, the resulting between the connecting parts 16 free spaces can be arranged as needed at different locations.
  • connecting parts 16 are necessary. However, at least four, more preferably at least six connecting parts 16 between the cross members 12, 14 are preferably used. In the example shown, the cross member 12, 14 are connected by a total of six connecting parts 16 with each other.
  • the device 10 represents a modular system in which different sized connecting parts 16 and cross members 12, 14 can be freely combined with each other depending on the application.
  • All connecting parts 16 have a U-shaped profile and are suitable for connecting the cross members 12, 14.
  • the illustrated connecting parts 16 each have at least one hole for the connection in the legs of the U, which can be connected by means of a screw with the hole pattern in the cross member.
  • connecting parts 16, which connect the two cross members 12, 14, have the same length h1, h2 or h3.
  • the total of six connecting parts 16 of the device 10 are identical.
  • the connecting parts 16 are aligned so that the two legs of the U are oriented in the direction of the cross member 12, 14 and extend the back surface of the U at right angles thereto.
  • the upper cross member 12 and the lower cross member 14 are also formed identical.
  • cross members 12, 14 In FIG. 3 four examples of cross members 12, 14 are shown.
  • the cross members 12, 14 all have the same U-shaped profile, but have different lengths (along their longitudinal axis n) I1, I2, I3, I4.
  • the device 10 can be adjusted in size as needed. Compared to previous approaches to building a concrete formwork is thus ensured that only a number of different high connecting parts 16 and different lengths of cross member 12, 14 must be maintained, from which then devices in any size can be assembled in the sense of a kit. The storage of many formwork elements of different sizes is unnecessary.
  • FIG. 4 a device 10 is shown, to which a formwork wall 20 is attached.
  • the formwork wall 20 can be fastened with the screws 22 to holes 38 (preferably in the perforated grid) on the side of the cross members 12, 14 facing the shuttering wall 20. It is understood that alternatively other fastening means, such as nails, clamps etc. can be used.
  • the shuttering wall 20 is in contact with the concrete (not shown) and prevents the concrete from flowing through the interstices of the device 10.
  • the precast concrete element is shuttered in this way.
  • FIG. 5 is a formwork system 24 shown for building a concrete formwork.
  • the formwork system 24 comprises a formwork wall 20 which is fixed to the device 10, a formwork table 26 on which the device 10 is arranged and which serves as a base plate, and a fixing element 28, with which the device 10 on the formwork table 26 is attached.
  • the fixing element 28 comprises a clamping piece 30 and a magnetic box 32.
  • the magnetic box 32 may be magnetically mounted on the formwork table 26 of ferromagnetic metal.
  • the magnetic box 32 has for this purpose a housing with a U-shaped cross-section, in the interior of which a strong magnet is arranged vertically displaceable.
  • a pressure or shock on a protruding from the top of the housing actuator is the Holding magnet lowered to the base plate or the formwork table.
  • the magnet can also be released from the ground again, although the strong magnetic adhesion must be overcome.
  • the clamping piece 30 is connected to the magnetic box 32 and causes a force acting perpendicular to the formwork table 26 on the lower cross member 14 clamping force by which the lower cross member 14 is pressed onto the formwork table 26.
  • the lower cross member 14 or the entire apparatus 10 and the formwork wall 20 can no longer be moved relative to the formwork table 26.
  • the lower cross member 14 is designed so that a coupling to a fixing element 28 is made possible.
  • the lower cross member 14 is formed as a U-profile, wherein the flat back of the U has in the direction of the upper cross member 12.
  • the lower cross member 14 is designed in its width and in its height so that it can cooperate with the fixing element 28 in order to allow a fixing relative to the formwork table 26.
  • FIG. 6 an alternative embodiment of the fixing element 28 with an alternatively formed clamping piece 30 is shown. Due to the additional support of the clamping piece 32 on the formwork table on the side facing away from the device 10 of the magnetic box 32 results in a further improved clamping effect, which causes an even stronger setting of the device 10 relative to the formwork table 26 due to the leverage.
  • FIG. 6 recognizable that two coupling elements 34 are arranged on top of the upper cross member 12. These coupling elements 34 are used for coupling the device 10 to a handling traverse or to a robot arm of a carrying robot (not shown). With such a carrying robot, the device 10 can be positioned precisely and automatically on the formwork table. This allows an automation of the production of formwork for precast concrete done.
  • the position of the coupling elements 34 with respect to the longitudinal axis of the upper cross member 12 can be varied. It is possible that one or more coupling elements 34 are arranged at different locations along the longitudinal axis of the upper cross member 12. In particular, screwing on at different holes 36 or at different positions of the hole pattern can be done.
  • the formwork wall 20 of the formwork system 24 has recesses 40, can be performed by the reinforcing iron 42.
  • Such reinforcing bars 42 are very often contained in precast concrete elements, sometimes requiring that the reinforcing bars 42 project beyond the precast concrete section. Then the formwork must have corresponding recesses 40 for performing the reinforcing iron.
  • the device 10 allows due to the flexible positioning of the connecting parts along the longitudinal axis of the cross member, that a plurality of recesses 40 may be provided at arbitrary locations. In other words, it is possible that when a certain position of the reinforcing iron 42 is required, no connecting part is disposed at the corresponding position.
  • the connecting part can then be placed at a different location next to a recess 40 so that the reinforcing iron 42 readily reach through the device 10 and can protrude on the side facing away from the precast concrete part of the device 10.
  • the releasable connection of the connecting parts allows comfortable positioning at another location along the longitudinal axis of the cross member 12, 14th
  • FIG. 8 three different ways of designing the formwork wall 20 are shown.
  • a device with a shuttering wall 20 On the left side of a device with a shuttering wall 20 is shown, which consists of a profiled sheet.
  • This shuttering wall 20 makes it possible to produce precast concrete parts which have a corresponding profiling on their formwork wall 20 side facing.
  • a formwork wall 20 which consists of a wooden plate which is light but relatively thick.
  • a wooden plate allows the production of smooth surfaces and can be made sufficiently stable at low cost to withstand even higher pressures. As a result, larger precast concrete parts can be produced efficiently.
  • Such wooden formwork walls can be easily made on the construction site of boards so that they need not be transported from far away or kept in stock.
  • Formwork wall 20 shown comprises a wood panel and a laid sheet. Due to the multilayer composite construction, a high stability can be achieved with simultaneously arbitrary surface.
  • FIG. 9 a further embodiment of a device according to the invention is shown.
  • Two in principle identical devices 10 are connected to each other at their upper and lower cross members 12, 14.
  • the connection via two metal plates 44 which connect the abutting upper cross member 12 and the adjacent lower cross member 14 with each other.
  • the holes 36 and the hole pattern in the cross members 12, 14 are used. Starting from a few Basic elements (cross member and connecting parts) can be built so a very large variety of different formwork.
  • FIG. 10 a further embodiment of a device for building a formwork is shown.
  • flat adapter pieces 46 are provided at different locations with L-shaped cross section, which are formed for securing the shuttering wall 20 to be held at a variable position along the longitudinal axis of the lower cross member 14. It is understood that a corresponding construction can also be provided on the upper cross member 12.
  • the fastening of the formwork wall 20 can be improved by the use of adapter pieces 46.
  • this embodiment in which only a single cross member 14 is used and thus is particularly suitable for the production of formworks of very low height, allows the use of the adapter pieces 46 that a sufficiently stable formwork can be constructed.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP17171759.8A 2017-05-18 2017-05-18 Dispositif et système de construction d'un coffrage en béton Withdrawn EP3403797A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17171759.8A EP3403797A1 (fr) 2017-05-18 2017-05-18 Dispositif et système de construction d'un coffrage en béton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17171759.8A EP3403797A1 (fr) 2017-05-18 2017-05-18 Dispositif et système de construction d'un coffrage en béton

Publications (1)

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EP3403797A1 true EP3403797A1 (fr) 2018-11-21

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EP17171759.8A Withdrawn EP3403797A1 (fr) 2017-05-18 2017-05-18 Dispositif et système de construction d'un coffrage en béton

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352803A (zh) * 2018-12-04 2019-02-19 远大住宅工业（上海）有限公司 一种叠合梁梁端挡板模具组件及使用方法
CN112092155A (zh) * 2020-09-18 2020-12-18 广西建工装配式建筑产业投资有限公司 一种用于预制混凝土预制构件的通用型模具组件
CN114393288A (zh) * 2021-12-31 2022-04-26 绍兴精工绿筑集成建筑系统工业有限公司 一种pec构件连接节点的自动焊接方法
CN116394383A (zh) * 2023-03-23 2023-07-07 中铁十四局集团第三工程有限公司 一种基于台座生产大尺寸电缆槽的模板系统及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0639686A2 (fr) 1993-08-18 1995-02-22 Reymann Technik GmbH Système de coffrage pour élément en béton
EP1900489A2 (fr) * 2006-09-13 2008-03-19 Elematic Oy Ab Construction de la paroi latérale d'un moule

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0639686A2 (fr) 1993-08-18 1995-02-22 Reymann Technik GmbH Système de coffrage pour élément en béton
EP1900489A2 (fr) * 2006-09-13 2008-03-19 Elematic Oy Ab Construction de la paroi latérale d'un moule

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352803A (zh) * 2018-12-04 2019-02-19 远大住宅工业（上海）有限公司 一种叠合梁梁端挡板模具组件及使用方法
CN112092155A (zh) * 2020-09-18 2020-12-18 广西建工装配式建筑产业投资有限公司 一种用于预制混凝土预制构件的通用型模具组件
CN114393288A (zh) * 2021-12-31 2022-04-26 绍兴精工绿筑集成建筑系统工业有限公司 一种pec构件连接节点的自动焊接方法
CN116394383A (zh) * 2023-03-23 2023-07-07 中铁十四局集团第三工程有限公司 一种基于台座生产大尺寸电缆槽的模板系统及方法

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