DE29507862U1 - Holding magnet for fixing formwork parts - Google Patents
Holding magnet for fixing formwork partsInfo
- Publication number
- DE29507862U1 DE29507862U1 DE29507862U DE29507862U DE29507862U1 DE 29507862 U1 DE29507862 U1 DE 29507862U1 DE 29507862 U DE29507862 U DE 29507862U DE 29507862 U DE29507862 U DE 29507862U DE 29507862 U1 DE29507862 U1 DE 29507862U1
- Authority
- DE
- Germany
- Prior art keywords
- holding magnet
- shock
- magnet
- holding
- formwork parts
- 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
Links
- 238000009415 formwork Methods 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 239000011359 shock absorbing material Substances 0.000 claims description 7
- 229910000859 α-Fe Inorganic materials 0.000 claims description 7
- 239000011178 precast concrete Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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
- 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
-
- 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
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
- E04G15/061—Non-reusable forms
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
- H01F7/0252—PM holding devices
- H01F7/0263—Closures, bags, bands, engagement devices with male and female parts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
G 8422 DEG 8422 EN
Weckenmann Anlagentechnik GmbHWeckenmann Systems Engineering GmbH
Birkenstraße 1
72358 DormettingenBirkenstrasse 1
72358 Dormettingen
Die Erfindung betrifft einen Haftmagneten, insbesondere zur Fixierung von Schalungsteilen bei der Betonfertigteilherstellung, zusammengesetzt aus mindestens einer Schicht eines stoßdämpfenden Materials, die zwischen zwei Stahlplatten angeordnet ist.The invention relates to a holding magnet, in particular for fixing formwork parts in the production of precast concrete parts, composed of at least one layer of a shock-absorbing material arranged between two steel plates.
Bei der Herstellung von Betonfertigteilen werden bekanntermaßen Haftmagnete zur Fixierung von Schalungsteilen eingesetzt. Es gibt bisher zwei Typen von solchen Magneten. Der eine Typ weist einen lamellenartigen Aufbau auf, bestehend aus alternierenden Schichten eines stoßdämpfenden Materials und Stahlplatten, wobei das stoßdämpfende Material in der Regel ein synthetischer Gummi mit Ferritbeimischung ist. Diese Magnete zeichnen sich durch ihre mechanische Robustheit und Stoßsicherheit aus, jedoch ist ihre Magnetkraft zur Fixierung von Schalungsteilen bei der Herstellung von Betonfertigteilen nicht immer befriedigend.As is well known, holding magnets are used to fix formwork parts in place during the production of precast concrete elements. There are currently two types of such magnets. One type has a lamellar structure consisting of alternating layers of a shock-absorbing material and steel plates, whereby the shock-absorbing material is usually a synthetic rubber with a ferrite admixture. These magnets are characterized by their mechanical robustness and shock resistance, but their magnetic force for fixing formwork parts during the production of precast concrete elements is not always satisfactory.
Der andere Typ von Haftmagneten ist ganz aus ferritischen Magnetwerkstoffen hergestellt, welche bekanntlich eine sehr hohe Magnetkraft aufweisen. In der europäischen Patentanmeldung EP 639 686 A 2 sind besondere Haftmagnete dieses Typs beschrieben, welche im Querschnitt U-förmig ausgebildet sindThe other type of holding magnet is made entirely of ferritic magnetic materials, which are known to have a very high magnetic force. The European patent application EP 639 686 A 2 describes special holding magnets of this type, which have a U-shaped cross-section
G 8422 DE - 2 -G 8422 EN - 2 -
und mit ihren beiden Schenkeln auf dem Schalungstisch aufliegen und durch deren Magnetkraft festgehalten werden. Die Herstellung dieser Magnete ist aufwendig. Die Ferritmagnete haben zudem den großen Nachteil, daß sie spröde und stoßempfindlich sind.and rest on the formwork table with both legs and are held in place by their magnetic force. The production of these magnets is complex. The ferrite magnets also have the major disadvantage that they are brittle and sensitive to impact.
Aus diesem Stand der Technik ergibt sich für die vorliegende Erfindung die Aufgabe, die Vorteile der beiden existierenden Typen von Haftmagneten erfolgreich zu vereinigen.From this state of the art, the task of the present invention arises of successfully combining the advantages of the two existing types of holding magnets.
Diese Aufgabe wird durch einen Haftmagneten, zusammengesetzt aus mindestens einer Schicht eines stoßdämpfenden Materials, die zwischen zwei Stahlplatten angeordnet ist, erfindungsgemäß dadurch gelöst, daß in der stoßdämpfenden Schicht mindestens eine Permanentmagnetscheibe eingebettet ist. Die Permanentmagnetscheibe sorgt für genügend Haftkraft und ist dabei stoßsicher in der stoßdämpfenden Schicht zwischen den Stahlplatten eingehülIt.This object is achieved according to the invention by a holding magnet, composed of at least one layer of a shock-absorbing material, which is arranged between two steel plates, in that at least one permanent magnet disk is embedded in the shock-absorbing layer. The permanent magnet disk ensures sufficient holding force and is shock-proof encased in the shock-absorbing layer between the steel plates.
Vorteilhafterweise kann das stoßdämpfende Material aus Gummi und die mindestens eine darin eingebettete Magnetscheibe aus Ferrit bestehen. Die lamellenartige Konstruktion mit alternierenden Gummi- und Stahlschichten verleiht dem Magneten genügend Stoßsicherheit, während die Magnetkraft durch die Auswahl einer geeigneten Anzahl von Gummischichten mit den darin eingebetteten Ferritmagneten regulierbar ist.Advantageously, the shock-absorbing material can be made of rubber and the at least one magnetic disk embedded in it can be made of ferrite. The lamellar construction with alternating rubber and steel layers gives the magnet sufficient shock resistance, while the magnetic force can be regulated by selecting a suitable number of rubber layers with the ferrite magnets embedded in them.
Für Haftmagnete zur Fixierung von Schalungsteilen ist es von Vorteil, daß die Seitenflächen des Haftmagneten lokale Vertiefungen aufweisen können, in welche Schalungsprofile mit entsprechenden Vorsprüngen einrastbar sind.For holding magnets for fixing formwork parts, it is advantageous that the side surfaces of the holding magnet can have local recesses into which formwork profiles with corresponding projections can be snapped into place.
Nachfolgend wird ein bevorzugtes Ausführungsbeispiel eines Haftmagneten anhand der Zeichnung näher erläutert.A preferred embodiment of a holding magnet is explained in more detail below using the drawing.
G 8422 DEG 8422 EN
Es zeigen: Fig. 1Shown: Fig. 1
eine perspektivische Ansicht eines erfindungsgemäßen Haftmagneten;a perspective view of a holding magnet according to the invention;
Fig. 2Fig.2
eine Frontansicht des Magneten aus Fig. 1 mit einem darauf aufgesetzten Schalungsprofil .a front view of the magnet from Fig. 1 with a formwork profile placed on top of it.
Fig. 1 zeigt eine perspektivische Ansicht eines erfindungsgemäßen Haftmagneten 10 in lamellenartigem Aufbau, mit dunkel gezeichneten Gummischichten 11, 12, 13 zwischen Stahlplatten 14, 15, 16, 17. Die Gummischicht 13 zeigt ein eingestanztes kreisrundes Loch 20, in welches eine Ferritmagnetscheibe eingelegt werden kann, wobei die Seitenflächen der Ferritmagnetscheibe in direktem Kontakt mit den benachbarten Stahlplatten stehen können. Die Stahlplatten 14 - 17 und die Gummischichten 11 - 13 können mit geeignetem Klebstoff miteinander verklebt werden. Vorteilhafter ist es jedoch, die Lamellen des Magneten mit nichtmagnetischen Schrauben und Muttern zusammenzuhalten, was in der Figur jedoch nicht gezeigt ist.Fig. 1 shows a perspective view of a holding magnet 10 according to the invention in a lamellar structure, with dark rubber layers 11, 12, 13 between steel plates 14, 15, 16, 17. The rubber layer 13 shows a punched circular hole 20 into which a ferrite magnet disk can be inserted, whereby the side surfaces of the ferrite magnet disk can be in direct contact with the adjacent steel plates. The steel plates 14 - 17 and the rubber layers 11 - 13 can be glued together with a suitable adhesive. However, it is more advantageous to hold the lamellae of the magnet together with non-magnetic screws and nuts, which is not shown in the figure.
Fig. 2 zeigt einen Haftmagneten 10' vom in der Fig. 1 gezeichneten Typ mit einem darauf aufgesetzten Schalungsprofil 30. Wie in Fig. 2 verdeutlicht, können die Seitenflächen der Haftmagnete 10, 10' lokale Vertiefungen 18, 19 aufweisen, in welche die Schalungsprofile 30 mit entsprechenden Vorsprüngen 28, 29 einrasten können.Fig. 2 shows a holding magnet 10' of the type shown in Fig. 1 with a formwork profile 30 placed on it. As shown in Fig. 2, the side surfaces of the holding magnets 10, 10' can have local recesses 18, 19 into which the formwork profiles 30 can snap with corresponding projections 28, 29.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29507862U DE29507862U1 (en) | 1995-05-12 | 1995-05-12 | Holding magnet for fixing formwork parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29507862U DE29507862U1 (en) | 1995-05-12 | 1995-05-12 | Holding magnet for fixing formwork parts |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29507862U1 true DE29507862U1 (en) | 1995-07-27 |
Family
ID=8007936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29507862U Expired - Lifetime DE29507862U1 (en) | 1995-05-12 | 1995-05-12 | Holding magnet for fixing formwork parts |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29507862U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107780327A (en) * | 2017-12-07 | 2018-03-09 | 辽宁科技大学 | Road maintenance assembled dual control road prevention cover |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1930088U (en) * | 1965-05-24 | 1965-12-30 | Heinrich Dr Ing Spodig | CYLINDRICAL BODY WITH PERMANENT MAGNETIC EXCITED SURFACE AREA FORMED FROM FERRO- AND PERMANENT MAGNETIC DISCS ALTERNATELY ARRANGED ON AN AXIS. |
DE7020342U (en) * | 1970-06-01 | 1970-09-17 | Brueder Neumeister Fa | ADHESIVE PLATE FOR PRINT Clichés. |
DE7135364U (en) * | 1971-09-17 | 1972-02-03 | Deutsche Edelstahlwerke Gmbh | PERMANENT MAGNETIC SYSTEM |
US3686815A (en) * | 1970-02-19 | 1972-08-29 | Robert J Von Bose | Method for building construction |
US3810055A (en) * | 1973-05-21 | 1974-05-07 | T Wright | Magnetic holding device |
DE4129368A1 (en) * | 1991-09-04 | 1993-03-18 | Weckenmann Anlagentechnik Gmbh | DEVICE FOR THE PRODUCTION OF PRECAST CONCRETE PARTS |
DE9411585U1 (en) * | 1994-07-16 | 1994-10-13 | Weidner, Georg, 97854 Steinfeld | Magnetic strip |
EP0639686A2 (en) * | 1993-08-18 | 1995-02-22 | Reymann Technik GmbH | Shuttering-system for concrete elements |
-
1995
- 1995-05-12 DE DE29507862U patent/DE29507862U1/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1930088U (en) * | 1965-05-24 | 1965-12-30 | Heinrich Dr Ing Spodig | CYLINDRICAL BODY WITH PERMANENT MAGNETIC EXCITED SURFACE AREA FORMED FROM FERRO- AND PERMANENT MAGNETIC DISCS ALTERNATELY ARRANGED ON AN AXIS. |
US3686815A (en) * | 1970-02-19 | 1972-08-29 | Robert J Von Bose | Method for building construction |
DE7020342U (en) * | 1970-06-01 | 1970-09-17 | Brueder Neumeister Fa | ADHESIVE PLATE FOR PRINT Clichés. |
DE7135364U (en) * | 1971-09-17 | 1972-02-03 | Deutsche Edelstahlwerke Gmbh | PERMANENT MAGNETIC SYSTEM |
US3810055A (en) * | 1973-05-21 | 1974-05-07 | T Wright | Magnetic holding device |
DE4129368A1 (en) * | 1991-09-04 | 1993-03-18 | Weckenmann Anlagentechnik Gmbh | DEVICE FOR THE PRODUCTION OF PRECAST CONCRETE PARTS |
EP0639686A2 (en) * | 1993-08-18 | 1995-02-22 | Reymann Technik GmbH | Shuttering-system for concrete elements |
DE4327696A1 (en) * | 1993-08-18 | 1995-02-23 | Reymann Technik Gmbh | Formwork system for concrete parts |
DE9411585U1 (en) * | 1994-07-16 | 1994-10-13 | Weidner, Georg, 97854 Steinfeld | Magnetic strip |
Non-Patent Citations (1)
Title |
---|
Katalog: Magnetismus-Dauermagnete, Werkstoffe und Systeme, IBS Magnet, Berlin, S.16,21, eingeg. 3/95 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107780327A (en) * | 2017-12-07 | 2018-03-09 | 辽宁科技大学 | Road maintenance assembled dual control road prevention cover |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 19950907 |
|
R163 | Identified publications notified |
Effective date: 19951006 |
|
R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 19980424 |
|
R157 | Lapse of ip right after 6 years |
Effective date: 20020301 |