EP3508667A1 - Method for connecting a spacing element with a connection strip spacing and stop holder, a wedge and a holder - Google Patents
Method for connecting a spacing element with a connection strip spacing and stop holder, a wedge and a holder Download PDFInfo
- Publication number
- EP3508667A1 EP3508667A1 EP19155671.1A EP19155671A EP3508667A1 EP 3508667 A1 EP3508667 A1 EP 3508667A1 EP 19155671 A EP19155671 A EP 19155671A EP 3508667 A1 EP3508667 A1 EP 3508667A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wedge
- spacer
- holder
- spacer rod
- rod
- 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.)
- Pending
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
-
- 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
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/064—Spacers placed on the bottom of the mould
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
- E04C5/167—Connection by means of clips or other resilient elements
Definitions
- the invention relates to a method for connecting a spacer with a terminal iron according to the preamble of patent claim 1, a spacer and stop holder assembly according to the features of claim 3, a wedge according to the preamble of claim 7 and a holder according to the preamble of claim 11.
- two formworks When constructing walls made of concrete, two formworks must first be accurately positioned on the surface of an existing component, that is to say a substructure from which connecting reinforcement bars protrude. On the one hand, the mutual distance of the two formworks must be maintained exactly and on the other hand, on the other hand, the exact position of the formwork is necessary to create the wall at the correct position on the Operabaute.
- the formworks are held in a known manner by distance and stop holder at a mutual distance and at a predetermined location and also held together by suitable means for receiving the forces of the liquid concrete.
- the spacers consisting of a spacer rod with attached at both ends, are attached to the NASAarm istseisen, short connection iron, and must be to the exact Aligned to the appropriate mark on the surface of the substructure of the future wall can be aligned and fixed there. Therefore, the spacer rod must be able to be accurately aligned with respect to the reinforcing iron to which it is to be fastened and fixed after alignment. Since the terminal reinforcing bars do not always protrude with respect to the markings exactly at the same location from the surface of the structure, the spacer bars can not all be fastened in the same place and consequently must be alignable with respect to the axis of the connecting bars.
- Such a spacer arrangement as in the EP 1 197 617 essentially comprises a in cross-section U-shaped holder which can be applied to a protruding from the surface of the structure connecting iron from above or from the side. With a wedge, at the upper end in a recess of the spacer rod is guided, a connection between the terminal iron and the spacer rod can be achieved by driving the wedge into the holder.
- a disadvantage of this device is the fact that the spacer rod and the connecting iron come to rest through the wedge substantially only punctiform together and only at this point all forces occur, which extend axially to the spacer rod, are added. This connection is insufficient and can lead to inaccurate positioning of walls. in the Furthermore, the spacer rod can slip out of the holder during the impact of the wedge.
- a spacer assembly is known in which the spacer rod is inserted into one of the holes in the U-shaped holder.
- the holder is designed such that it can be brought laterally to the connection iron and partially this can be arranged wrapped around.
- the holder may bend apart and consequently the safety of a precise and force-absorbing connection is lost.
- a method for setting a stop or spacer is known in which the clamping device for performing the method to attach a spacer rod to a Arm michsan gleicheisen, a U-shaped profile is provided at the two end faces on the legs each have a diametrically opposite recess to Insertion of the stop or spacer is provided. With a wedge, which is taken between the connecting iron and the spacer iron, the clamping or connection between the connecting iron and spacer takes place.
- the at the U-shaped profile pieces frontally mounted recesses are arranged at different distances from the free edges of the legs of the profile piece to the clamping device on two different thicknesses, so fastener iron with different diameters to attach.
- This clamp has the Disadvantage that on the one hand a slightly loser wedge, which is also difficult to handle with gloves, must be used and on the other hand, for example, the usual eight diameter of connection iron between 6 mm and 21 mm four differently shaped clamps held in stock and brought to the site and then still to be selected by the construction worker.
- An object of the present invention is to provide a method for connecting a spacer rod to a terminal iron, a further object of the invention is to provide a wedge.
- a further object of the present invention is to provide a spacer assembly which is inexpensive to manufacture and can be used on the construction site without explanation and prior provision of a suitable diameter of the connector iron holder and which in particular ensures a perfect connection between a connecting iron and a spacer rod.
- the inventive spacer assembly can be pre-assembled in the factory, so that only two parts, namely the holder and the wedge with factory-introduced spacer rod must be delivered to the site. Because this spacer assembly is suitable for all common diameter of the connection iron, must not different sizes are kept in stock and delivered to the construction site. The handling of this two-part arrangement is extremely simple and the construction worker does not have to consider how to fit the two elements together, because by applying the holder to the connecting iron and placing the wedge on the holder it will automatically slide into the diameter of the Connection iron associated recess. After placing the wedge on the holder and aligning the spacer rod with the marker, the wedge can be swung up until it rests with its back on the terminal iron.
- the insertion of the wedge with the spacer rod in the holder is also simplified because the front end of the wedge is designed to taper and therefore the wedge does not need to be placed exactly on the holder because it centers itself by itself. Furthermore, the narrow end of the wedge from the back of the wedge ago also oblique running, so that a centering of the wedge with respect to the connecting iron inevitably takes place. Furthermore, this design of the wedge allows that with the same holder and only three different insertion areas in the holder all at least eight common diameters of terminal iron can be detected. It is no longer necessary to pre-select one of, for example, three different recesses on the holder, but the wedge with the spacer rod attached thereto slides without further Dazutun in the appropriate recess.
- the spacer rod dissolves from the latter when the wedge is driven in, the optimum and largest possible clamping force between the wedge, holder and connecting iron can always be achieved.
- the preparation of the spacer assembly is very cost-effective, since both the wedge and the holder are each made of a strip material by a punching and subsequent bending in a follow-up tool can be produced.
- Reference numeral 1 denotes a spacer arrangement. This comprises a spacer rod 3 - short rod 3 - and at least at one end of the spacer rod 3, an end piece 5.
- the spacer rod 3 may be a portion of a reinforcing iron or other formed existing steel rod.
- the end piece 5 is made of plastic or concrete and prevents the steel bar 3 from causing rust damage to the surface of the concrete wall.
- the spacer rod 3 is held in a wedge 7 axially displaceable.
- the spacer assembly 1 comprises a holder 9 with a U-shaped cross section (horizontal cross section).
- the holder 9 may also have a closed, for example rectangular cross-section.
- connecting iron 11 visible, which represented part of a reinforcement in a floor or ceiling slab of a building.
- the connecting iron 11 and the substructure 12, from which the connecting iron 11 protrudes, are not part of the spacer assembly 1, but are shown only schematically to explain the position, the function of the spacer 1 and its attachment to the connecting iron 11.
- the wedge 7 will be described in more detail below.
- the wedge 7 according to the Figures 5a-5c is produced by a punching and bending process of a steel plate.
- FIG. 5c it can be seen that the wedge 7 has a U-shaped configuration in a horizontal section.
- the two side surfaces 13, 15 are from above conically tapered downwards ( Fig. 5a ).
- the side surfaces 13, 15 connected by a web 17 with each other.
- a longitudinal groove 19 is preferably formed.
- the groove 19 serves to get in mated spacer assembly in abutment with the connecting iron 11 and the wedge 7 with respect to this center, ie forcibly assume an axially parallel position and thereby form a large contact area with the connecting iron 11.
- the wedge 7 At the lower end of the tapered from top to bottom side surfaces 13, 15 of the wedge 7 is formed as a holding element substantially a substantially semicircular guide ring 21.
- the inner diameter of the guide ring 21 is slightly larger than the diameter of the spacer rod 3.
- the distance between the leading or cutting edge 23 at the end of the guide ring 21 to the front edge 23 of the side surfaces 13, 15 is smaller than the diameter of the spacer rod 3, so that the spacer rod 3 always kept loose, but axially free 29iebbbar.
- the wedge 7 preferably comprises at its upper end two tabs 25, which connect to the side surfaces 13, 15 and substantially at a right angle to the side surfaces 13, 15 are mutually bent and a striking surface for driving the wedge 7 with a tool how to make a hammer.
- the width of the two tabs 25 substantially corresponds to the width of the side surfaces 13, 15, so that the upper edge of the web 17 connecting the two side surfaces 13, 15 laterally below the clubface ends.
- the flaps 25 may be omitted or replaced by a single flap 25.
- the wedge 7 also consist of compression or injection molding.
- the wedge 7 is made of solid material, for example made of steel, aluminum or plastic.
- the wedge 7 made of solid material comprises a wedge element 8 which is rectangular in cross-section and has a lobe 10 shaped in the form of a circle at the lower end of which it has the smallest cross-section.
- Both the wedge element 8 and the flap 10 as a guide ring 21 are preferably conically converging, ie from the impact surface at the upper end of the wedge element 8 to the end of the flap 10, the width of the wedge 7 decreases steadily or in steps.
- the holder 9 has a U-shaped or rectangular-shaped horizontal cross-section and consists of a punched-bent part made of steel or of a plastic molded part.
- the two leg surfaces 27 and 29 are the back (in the FIGS. 8 and 9 on the left side) through a base surface 31.
- the base surface 31 is preferably V-shaped and encloses an angle of about 135 ° or is circular sectioned to center the holder 9 after application to a terminal iron 11 and to form a large contact surface.
- a respective cutout 33 is formed in the two leg surfaces 27 and 29 .
- the first edge 35 of the cutouts 33 which are closer to the base surface 31, are at an acute angle to the base surface 31 arranged.
- the acute angle is about 5 ° to 30 °.
- the second edges 37 that is, the edges facing away from the base surface 31, extend at an angle of approximately 30 ° to 45 ° and comprise a plurality of substantially three semicircular recesses 39, for example. Their center points may be on a straight line or on an arcuate line of the second Edge 37 lie (see. FIG. 8 with straight line).
- the circle centers of the recesses 39 are preferably on a straight line which is parallel to the edge 35.
- the cutouts 33 are used to hold the spacer rods 3, which are inserted depending on the diameter of the connecting iron 11 in the corresponding recesses 39 and slide by gravity in each case in the corresponding recesses 39 when they abut when inserting to the connecting iron 11.
- the two leg surfaces 27,29 are arranged conically in a preferred embodiment of the invention in such a way that the open end, ie at the location of the free edges of the side surfaces 27,29, the distance larger than in the area of the base surface 31.
- This expansion facilitates the insertion or insertion of the spacer rod 3, which is held by the wedge 7.
- the wedge 7 with the spacer rod 3 in the holder 9 can be inserted and this substantially by Gravity inserts itself into the correct recess 39.
- a cutout 33 with parallel flanks without steps can also be provided in a simple embodiment (see FIG. Figures 25-30 ).
- This embodiment also makes it possible to use a holder 9 for a plurality of different diameters of connecting iron 11.
- the fixing of the spacer rod 3 on the connecting iron 11 is analogous to the previous example by the spacer rod 3 held on the wedge 7 inserted into the cutout 33 and slides by itself in these down and abuts there depending on the diameter of the connecting iron 11 and then the wedge 7 with a hammer blow is moved down, the spacer rod 3 is released from the wedge 7, further slides down and fixation takes place.
- At the lower edges of the holder 9 or the leg surfaces 27 and 29 and the base surface 31 may be formed projecting down pangs 41. These serve to anchor the holder 9 on a surface of the substructure 12 (FIG. Fig. 8 ).
- FIG. 11 shows a connecting iron 11, namely that on the construction with the smallest diameter, with a spacer assembly 1 in a definitely fastened state.
- the spacer rod 3 is in the recess 39 of the holder 9 in position I (see also Fig. 8 ).
- the wedge 7 has already been knocked down and the annular guide 21 has been spread apart so far when hitting the wedge 7, that the spacer rod 3 has detached from the wedge 7 and is now clamped in the recess I.
- the spacer rod 3 can not slide out of the recess 39 because the distance between the recess position I and position II to the inclined surface of the wedge 7 is smaller than the diameter of the spacer rod third
- FIG. 12 shows a connecting iron 11 with a larger diameter, namely the diameter 8 mm. Even an 8 mm connecting iron 11 - the smallest commercially available - inevitably enters when inserting into the recess 39 position I, that is, the lowest lying.
- the wedge 7 is not yet taken and therefore only in the inserted by hand or by sliding in position.
- the guide ring 21 opens, so that the wedge 7 alone slides further down and causes the clamping.
- FIG. 13 now shows a connection iron 11 with a diameter of 10 mm.
- FIG. 14 shows a connection iron with a diameter of 12 mm. Again, the spacer rod 3 snaps when inserting inevitably in the position II of the recesses, before the wedge 7 is beaten down.
- FIG. 15 clearly shows that a 14 mm diameter connecting iron 11 also slides into position II when the spacer rod 3 is inserted into the holder 9. An enlarged view of this situation is in FIG. 10 shown.
- the spacer rod 3 inevitably slides in the uppermost position III, that is, the farthest from the spacer rod position, as in FIG. 16 apparent because the path to position II is too narrow. After driving in the wedge 7 this in turn slides far down until the clamping is reached. It can be seen that the clamping point on the wedge 7 between high ( Fig. 16 ) and far below ( FIGS. 12, 15, 18 ) varies. In FIG. 17 the connecting iron 11 is already 18 mm thick. The spacer rod 3 slides in turn in the uppermost position III and after the wedge of the wedge this slides less far down until the complete clamping is achieved.
- a connecting iron with the diameter 20 mm, as in FIG. 18 can be connected to a spacer bar 3 with the same holder.
- a spacer bar 3 with the same holder.
- the spacer rod 3 slides in turn in the uppermost recess 39 (position III) and after a hit on the wedge 7 this slides only slightly down and yet achieved the highest possible clamping force.
- FIGS. 19 to 21 show the formation of the inserted into the wedge 7 and the guide rings 21 spacer rod 3.
- the guide rings 21 on the wedge 7 at their in FIG. 21 approaching vertex S, ie, the two surfaces formed by the guide rings 21 are conical.
- This conical guide facilitates the insertion of the spacer rod 3, which is held on the wedge 7, in the holder 9, as shown in the FIGS. 22 to 24 is shown in detail.
- the construction worker detects the wedge 7. Since the spacer rod 3 is held in the guide rings 21, the wedge 7 rotates automatically without further action by the construction worker in the FIGS. 21 to 24 shown location, namely the wedge 7 is above and the spacer rod 3 is located on the underside.
- the hand 43 moves in the direction of the arrow P ( FIG. 22 ) and leaves the wedge 7 with the spacer rod 3 in the cutout 33 on the holder 9 to slide or even fall.
- the wedge 7 can be placed in any position between vertical (not shown) to horizontal on the holder 9 and then released. Due to the v-shaped arrangement of the two guide rings 21 and the conical shape of the side surfaces 13,15 on the holder inserting the wedge 7 in the holder 9 is unproblematic or the wedge 7 is centered by itself when placed on the widened holder 9. Well slides the wedge 7 with the spacer rod 3 (in the Figures 22-24 left) as far down until the spacer rod 3 rests on the connecting iron 11.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Die Abstandhalteranordnung (1) zur Festlegung des gegenseitigen Abstands von Schalungen bei der Herstellung von Betonbauwerken umfasst einen Halter (9) und einen Keil (7), an welchem der Distanzhalterstab (3) in teilkreisförmigen Ringen (21) gehalten ist. Am Halter (9) sind stufenförmige angeordnete Ausnehmungen (39) ausgebildet, in welche der Distanzhalterstab (3) einzig in richtiger Ausrichtung einlegbar ist. The spacer assembly (1) for defining the mutual distance of formwork in the manufacture of concrete structures comprises a holder (9) and a wedge (7) on which the spacer rod (3) is held in part-circular rings (21). On the holder (9) stepped recesses arranged (39) are formed, in which the spacer rod (3) is inserted only in the correct orientation.
Description
Gegenstand der Erfindung ist ein Verfahren zum Verbinden eines Distanzhalters mit einem Anschlusseisen gemäss Oberbegriff des Patentanspruchs 1, eine Abstand- und Anschlaghalteranordnung gemäss den Merkmalen des Patentanspruchs 3, ein Keil gemäss Oberbegriff des Patentanspruchs 7 und ein Halter gemäss dem Oberbegriff des Anspruchs 11.The invention relates to a method for connecting a spacer with a terminal iron according to the preamble of
Bei der Erstellung von Wänden aus Beton müssen vorerst auf die Oberfläche eines bestehenden Bauteils, also einer Teilbaute, aus welcher Anschlussarmierungseisen ragen, zwei Schalungen exakt positioniert werden. Einerseits muss der gegenseitige Abstand der beiden Schalungen exakt eingehalten werden und zudem ist andererseits die exakte Lage der Schalungen notwendig, um die Wand an der richtigen Position auf der Teilbaute zu erstellen. Die Schalungen werden in bekannter Weise durch Abstand- und Anschlaghalter in gegenseitigen Abstand und an vorgegebener Stelle gehalten und zudem durch geeignete Mittel zur Aufnahme der Kräfte des flüssigen Betons zusammengehalten. Die Abstandhalter, bestehend aus einem Distanzhalterstab mit an dessen beiden Enden angebrachten Endstücken, werden an den Anschlussarmierungseisen, kurz Anschlusseisen, befestigt und müssen zur exakten Ausrichtung auf die entsprechend angebrachte Markierung auf der Oberfläche der Teilbaute der zukünftigen Wand ausgerichtet und dort fixiert werden können. Es muss daher der Distanzhalterstab bezüglich des Armierungseisens, an dem er befestigt werden soll, genau ausgerichtet werden können und nach dem Ausrichten auch fixiert werden. Da die Anschlussarmierungseisen nicht immer bezüglich der Markierungen exakt an der gleichen Stelle aus der Oberfläche des Bauwerks hervorragen, können die Abstandhalterstäbe nicht alle gleich bzw. an gleicher Stelle befestigt werden und müssen folglich bezüglich der Achse der Anschlussarmierungseisen ausrichtbar sein.When constructing walls made of concrete, two formworks must first be accurately positioned on the surface of an existing component, that is to say a substructure from which connecting reinforcement bars protrude. On the one hand, the mutual distance of the two formworks must be maintained exactly and on the other hand, on the other hand, the exact position of the formwork is necessary to create the wall at the correct position on the Teilbaute. The formworks are held in a known manner by distance and stop holder at a mutual distance and at a predetermined location and also held together by suitable means for receiving the forces of the liquid concrete. The spacers, consisting of a spacer rod with attached at both ends, are attached to the Anschlussarmierungseisen, short connection iron, and must be to the exact Aligned to the appropriate mark on the surface of the substructure of the future wall can be aligned and fixed there. Therefore, the spacer rod must be able to be accurately aligned with respect to the reinforcing iron to which it is to be fastened and fixed after alignment. Since the terminal reinforcing bars do not always protrude with respect to the markings exactly at the same location from the surface of the structure, the spacer bars can not all be fastened in the same place and consequently must be alignable with respect to the axis of the connecting bars.
Aus dem Stand der Technik sind einige verschiedene Abstandhalteranordnungen bekannt. Eine solche Abstandhalteranordnung, wie sie in der
Aus der
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Weiter ist aus der
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Eine Aufgabe der vorliegenden Erfindung ist die Schaffung eines Verfahrens zum Verbinden eines Distanzhalterstabs mit einem Anschlusseisen, eine weitere Aufgabe der Erfindung ist die Schaffung eines Keils.An object of the present invention is to provide a method for connecting a spacer rod to a terminal iron, a further object of the invention is to provide a wedge.
Eine weitere Aufgabe der vorliegenden Erfindung ist die Schaffung einer Abstandhalteranordnung, die einerseits kostengünstig herstellbar und auf der Baustelle ohne Erklärungsaufwand und vorheriges Bereitstellen eines zum Durchmesser der Anschlusseisen passenden Halter einsetzbar ist und welche insbesondere eine einwandfreie Verbindung zwischen einem Anschlusseisen und einem Distanzhalterstab sicherstellt.A further object of the present invention is to provide a spacer assembly which is inexpensive to manufacture and can be used on the construction site without explanation and prior provision of a suitable diameter of the connector iron holder and which in particular ensures a perfect connection between a connecting iron and a spacer rod.
Gelöst werden diese Aufgaben durch ein Verfahren zum Verbinden eines Abstand- und Anschlaghaltestabs gemäss der Merkmale der Patentanspruchs 1, durch eine Abstandhalteranordnung gemäss den Merkmalen des Patentanspruchs 3, durch einen Keil gemäss dem Merkmal des Patentanspruchs 7 und ein Halter gemäss den Merkmalen des Anspruchs 11. Weitere vorteilhafte Ausgestaltungen der Abstandhalteranordnung sind in den abhängigen Ansprüchen umschrieben.These objects are achieved by a method for connecting a distance and stop retaining rod according to the features of
Die erfindungsgemässe Abstandhalteranordnung kann im Werk vormontiert werden, so dass nur zwei Teile, nämlich der Halter und der Keil mit werkseitig eingeführtem Distanzhalterstab zur Baustelle geliefert werden müssen. Weil diese Abstandhalteranordnung für alle gängigen Durchmesser der Anschlusseisen verwendbar ist, müssen nicht verschiedene Grössen an Lager gehalten und zur Baustelle geliefert werden. Die Handhabung dieser aus nur zwei Teilen bestehenden Anordnung ist äusserst einfach und der Bauarbeiter muss sich nicht überlegen, wie er die beiden Elemente zusammenfügt, denn durch Anlegen des Halters an das Anschlusseisen und Auflegen des Keils auf den Halter gleitet dieser automatisch in die dem Durchmesser des Anschlusseisens zugeordnete Ausnehmung. Nach dem Auflegen des Keils auf den Halter und dem Ausrichten des Distanzhalterstabs auf die Markierung kann der Keil nach oben geschwenkt werden, bis er mit seiner Rückseite am Anschlusseisen anliegt. Danach genügt ein Schlag mit einem Hammer auf die Oberfläche des Keils. Dabei löst sich der Keil vom Distanzhalterstab und kann zwischen diesem und dem Anschlusseisen nach unten gleiten. Dadurch kommt das Anschlusseisen nicht in direkten Kontakt mit dem Distanzhalterstab, sondern die Verbindung dieser zwei Elemente erfolgt über den Keil. Dies ermöglicht es, dass eine linien- oder streifenförmige Verbindung zwischen Keil und Anschlusseisen an der Klemmstelle entsteht. Durch das Einschlagen des Keils gleitet der Halter etwas nach unten und die an der unteren Kante des Halters ausgebildeten Zacken dringen in die Oberfläche der Teilbaute ein und verhindern dadurch optimal ein Drehen des Distanzhalters um die Achse des Anschlusseisens.The inventive spacer assembly can be pre-assembled in the factory, so that only two parts, namely the holder and the wedge with factory-introduced spacer rod must be delivered to the site. Because this spacer assembly is suitable for all common diameter of the connection iron, must not different sizes are kept in stock and delivered to the construction site. The handling of this two-part arrangement is extremely simple and the construction worker does not have to consider how to fit the two elements together, because by applying the holder to the connecting iron and placing the wedge on the holder it will automatically slide into the diameter of the Connection iron associated recess. After placing the wedge on the holder and aligning the spacer rod with the marker, the wedge can be swung up until it rests with its back on the terminal iron. Then a blow with a hammer on the surface of the wedge is sufficient. The wedge separates from the spacer rod and can slide down between it and the connecting iron. As a result, the connection iron does not come into direct contact with the spacer rod, but the connection of these two elements via the wedge. This makes it possible for a line-shaped or strip-shaped connection between wedge and connecting iron to form at the nip. By the wedge of the wedge, the holder slides slightly down and formed at the lower edge of the holder pegs penetrate into the surface of the substructure and thereby optimally prevent rotation of the spacer about the axis of the connecting iron.
Das Einlegen des Keils mit dem Distanzhalterstab in den Halter wird zudem vereinfacht, weil das vordere Ende des Keils konisch verlaufend ausgeführt ist und folglich der Keil nicht exakt auf den Halter aufgelegt werden muss, da er sich von selbst zentriert. Im Weiteren ist das schmale Ende des Keils vom Rücken des Keils her zudem schräg verlaufend, so dass auch eine Zentrierung des Keils bezüglich des Anschlusseisens zwangsläufig erfolgt. Im Weiteren ermöglicht diese Ausbildung des Keils, dass mit ein und demselben Halter und nur drei unterschiedlichen Einlegebereichen im Halter sämtliche mindestens acht gängigen Durchmesser von Anschlusseisen erfasst werden können. Es ist nicht mehr nötig, eine der beispielsweise drei unterschiedlichen Ausnehmungen am Halter vorab zu wählen, sondern der Keil mit dem daran befestigten Distanzhalterstab gleitet ohne weiteres Dazutun in die geeignete Ausnehmung. Dadurch, dass der Distanzhalterstab beim Einschlagen des Keils sich von letzterem löst, kann immer die optimale und möglichst grosse Klemmkraft zwischen Keil, Halter und Anschlusseisen erlangt werden. Die Herstellung der Abstandhalteranordnung ist sehr kostengünstig möglich, da sowohl der Keil als auch der Halter jeweils aus einem Bandmaterial durch eine Stanzung und anschliessendes Biegen in einem Folgewerkzeug herstellbar sind.The insertion of the wedge with the spacer rod in the holder is also simplified because the front end of the wedge is designed to taper and therefore the wedge does not need to be placed exactly on the holder because it centers itself by itself. Furthermore, the narrow end of the wedge from the back of the wedge ago also oblique running, so that a centering of the wedge with respect to the connecting iron inevitably takes place. Furthermore, this design of the wedge allows that with the same holder and only three different insertion areas in the holder all at least eight common diameters of terminal iron can be detected. It is no longer necessary to pre-select one of, for example, three different recesses on the holder, but the wedge with the spacer rod attached thereto slides without further Dazutun in the appropriate recess. Due to the fact that the spacer rod dissolves from the latter when the wedge is driven in, the optimum and largest possible clamping force between the wedge, holder and connecting iron can always be achieved. The preparation of the spacer assembly is very cost-effective, since both the wedge and the holder are each made of a strip material by a punching and subsequent bending in a follow-up tool can be produced.
Anhand eines illustrierten Ausführungsbeispiels wird die Erfindung näher erläutert. Es zeigen:
Figur 1- eine perspektivische Darstellung der Abstandhalteranordnung an einem Anschlusseisen,
- Figur 2
- eine Vorderansicht der Abstandhalteranordnung gemäss
Fig. 1 , Figur 3- einen Vertikalschnitt durch die Abstandhalteranordnung, längs Linie III-III in
Fig. 4 , - Figur 4
- eine Aufsicht auf die Abstandhaltervorrichtung, gemäss
Fig. 1 , - Figur 5a
- eine Seitenansicht eines Keils der Anschlaghalteranordnung,
- Figur 5b
- eine Rückansicht des Keils,
- Figur 5c
- eine Aufsicht auf den Keil,
- Figur 6a
- ein Vollmaterialkeil in Seitenansicht,
- Figur 6b
- eine Rückansicht des Keils,
- Figur 6c
- eine perspektivische Darstellung des Keils von schräg hinten,
Figur 7- eine perspektivische Darstellung des Keils gemäss
Figur 6a und b mit eingelegtem Distanzhalterstab, - Figur 8
- eine Seitenansicht des Halters der Anschlaghalteranordnung mit in gebrochenen Linien angedeuteten Distanzhalterstäben,
Figur 9- eine Aufsicht auf den Halter gemäss
Fig. 8 , Figur 10- ein vergrösserter Ausschnitt des Halters, des Keils und des darin gehaltenen Distanzhalterstabs in Schnittdarstellung durch die Achse des Anschlusseisens in
Fig. 15 , Figur 11- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem Anschlusseisen mit Durchmesser 6 mm, Distanzhalterstab in Ausnehmung I, Keil eingeschlagen,
Figur 12- eine Vertikalschnitt durch eine Abstandhalteranordnung an einem Anschlusseisen mit Durchmesser 8 mm, Distanzhalterstab in Ausnehmung I, vor dem Einschlagen des Keils,
Figur 13- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem
Anschlusseisen mit Durchmesser 10 mm, Distanzhalterstab in Ausnehmung II, Keil eingeschlagen, - Figur 14
- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem
Anschlusseisen mit Durchmesser 12 mm, Distanzhalterstab in Ausnehmung II, Keil eingeschlagen, Figur 15- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem Anschlusseisen mit Durchmesser 14 mm, Distanzhalterstab in Ausnehmung II, Keil noch nicht eingeschlagen,
- Figur 16
- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem Anschlusseisen mit Durchmesser 16 mm, Distanzhalterstab in Ausnehmung III, Keil eingeschlagen,
Figur 17- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem Anschlusseisen mit Durchmesser 18 mm, Distanzhalterstab in Ausnehmung III, Keil eingeschlagen,
- Figur 18
- einen Vertikalschnitt durch eine Abstandhalteranordnung an einem Anschlusseisen mit Durchmesser 20 mm, Distanzhalterstab in Ausnehmung III, Keil eingeschlagen,
Figur 19- eine Aufsicht auf den Keil und den Distanzhalterstab,
- Figur 20
- eine Vorderansicht des Keils mit eingelegtem Distanzhalterstab
Figur 21- eine perspektivische Teil-Ansicht des Keils und des Distanzhalterstabs in Einlegeposition in den Halter,
- Figur 22
- eine schematische Darstellung des Halters und des Keils mit Distanzhaltestab vor dem Einlegen in einen stufenförmigen Ausschnitt,
Figur 23- eine schematische Darstellung des Halters und des Keils mit Distanzhaltestab beim Einlegen,
- Figur 24
- nach dem Schwenken des Keils um die Achse des Distanzhalterstabs,
Figur 25- eine schematische Darstellung des Halters und des Keils mit Distanzhaltestab vor dem Einlegen in einen schlitzförmigen Ausschnitt an einem Halter,
- Figur 26
- eine schematische Darstellung des Halters und des Keils mit Distanzhaltestab beim Einlegen,
Figur 27- nach einem Hammerschlag auf den Keil mit aufgespreiztem Führungsring,
- Figur 28
- eine schematische Darstellung des Halters und des Keils mit Distanzhaltestab vor dem Einlegen in einen schlitzförmigen Ausschnitt
Figur 29- schematische Darstellung des Halters und des Keils mit Distanzhaltestab beim Einlegen,
- Figur 30
- nach einem Hammerschlag auf den Keil mit aufgespreiztem Führungsring.
- FIG. 1
- a perspective view of the spacer assembly on a connecting iron,
- FIG. 2
- a front view of the spacer assembly according to
Fig. 1 . - FIG. 3
- a vertical section through the spacer assembly along line III-III in
Fig. 4 . - FIG. 4
- a plan view of the spacer device, according to
Fig. 1 . - FIG. 5a
- a side view of a wedge of the stop bracket assembly,
- FIG. 5b
- a back view of the wedge,
- FIG. 5c
- a view of the wedge,
- FIG. 6a
- a solid material wedge in side view,
- FIG. 6b
- a back view of the wedge,
- FIG. 6c
- a perspective view of the wedge obliquely from behind,
- FIG. 7
- a perspective view of the wedge according to
FIGS. 6a and b with inserted spacer rod, - FIG. 8
- a side view of the holder of the stop holder assembly with indicated in broken lines spacer rods,
- FIG. 9
- a view of the holder according to
Fig. 8 . - FIG. 10
- an enlarged section of the holder, the wedge and the spacer rod held therein in a sectional view through the axis of the connecting iron in
Fig. 15 . - FIG. 11
- a vertical section through a spacer assembly to a connecting iron with a diameter of 6 mm, spacer rod in recess I, wedge wrapped,
- FIG. 12
- a vertical section through a spacer assembly on a connecting iron with a diameter of 8 mm, Spacer bar in recess I, before the wedge is knocked in,
- FIG. 13
- a vertical section through a spacer assembly on a connecting iron with a diameter of 10 mm, spacer rod in recess II, wedge wrapped,
- FIG. 14
- a vertical section through a spacer assembly on a connecting iron with a diameter of 12 mm, spacer rod in recess II, wedge wrapped,
- FIG. 15
- a vertical section through a spacer assembly on a connecting iron with diameter 14 mm, spacer rod in recess II, wedge not yet taken,
- FIG. 16
- a vertical section through a spacer assembly on a 16 mm diameter connecting rod, spacer rod in recess III, wedge wrapped,
- FIG. 17
- a vertical section through a spacer assembly on a connecting iron with a diameter of 18 mm, spacer rod in recess III, wedge wrapped,
- FIG. 18
- a vertical section through a spacer assembly on a connecting iron with a diameter of 20 mm, Spacer rod in recess III, wedge wrapped,
- FIG. 19
- a view of the wedge and the spacer rod,
- FIG. 20
- a front view of the wedge with inserted spacer rod
- FIG. 21
- a partial perspective view of the wedge and the spacer rod in the insertion position in the holder,
- FIG. 22
- a schematic representation of the holder and the wedge with distance holding rod before inserting into a step-shaped cutout,
- FIG. 23
- a schematic representation of the holder and the wedge with spacer rod during insertion,
- FIG. 24
- after pivoting the wedge about the axis of the spacer rod,
- FIG. 25
- a schematic representation of the holder and the wedge with spacer rod before insertion into a slot-shaped cutout on a holder,
- FIG. 26
- a schematic representation of the holder and the wedge with spacer rod during insertion,
- FIG. 27
- after a hammer blow on the wedge with spread guide ring,
- FIG. 28
- a schematic representation of the holder and the wedge with spacer rod before insertion into a slot-shaped cutout
- FIG. 29
- schematic representation of the holder and the wedge with spacer rod when inserting,
- FIG. 30
- after a hammer blow on the wedge with spread guide ring.
Mit Bezugszeichen 1 ist eine Abstandhalteranordnung bezeichnet. Diese umfasst einen Distanzhalterstab 3 - kurz Stab 3 - und mindestens an einem Ende des Distanzhalterstabs 3 ein Endstück 5. Der Distanzhalterstab 3 kann ein Abschnitt eines Armierungseisens oder ein anderes ausgebildetes aus Stahl bestehender Stab sein. Das Endstück 5 besteht aus Kunststoff oder Beton und verhindert, dass der Stab 3 aus Stahl an der Oberfläche der Betonwand Rostschäden verursacht. Der Abstandhalterstab 3 ist in einem Keil 7 axial verschiebbar gehalten. Weiter umfasst die Abstandhalteranordnung 1 einen Halter 9 mit einem U-förmigen Querschnitt (Horizontalquerschnitt). Der Halter 9 kann auch einen geschlossenen, z.B. rechteckigen Querschnitt aufweisen. Weiter ist in den
In den
Am unteren Ende der von oben nach unten konisch zulaufenden Seitenflächen 13, 15 des Keils 7 ist als Halteelement ein im Wesentlichen etwa halbkreisförmiger Führungsring 21 ausgebildet. Der Innendurchmesser des Führungsrings 21 ist etwas grösser als der Durchmesser des Distanzhalterstabs 3. Der Abstand zwischen der Vorder- oder Schnittkante 23 am Ende des Führungsrings 21 zur Vorderkante 23 der Seitenflächen 13, 15 ist kleiner als der Durchmesser des Distanzhalterstabs 3, so dass der Distanzhalterstab 3 stets lose gehalten, jedoch axial frei verschiebbbar ist. Weiter umfasst der Keil 7 an seinem oberen Ende vorzugsweise zwei Lappen 25, welche an die Seitenflächen 13, 15 anschliessen und im Wesentlichen in einem rechten Winkel zu den Seitenflächen 13, 15 zueinander hin umgebogen sind und eine Schlagfläche zum Einschlagen des Keils 7 mit einem Werkzeug wie einem Hammer bilden. Die Breite der beiden Lappen 25 entspricht im Wesentlichen der Breite der Seitenflächen 13, 15, so dass die Oberkante der die beiden Seitenflächen 13, 15 verbindende Steg 17 seitlich unterhalb der Schlagfläche endet. Alternativ können die Lappen 25 auch weggelassen oder durch einen einzigen Lappen 25 ersetzt sein. Alternativ kann der Keil 7 auch aus Druck- oder Spritzguss bestehen.At the lower end of the tapered from top to bottom side surfaces 13, 15 of the
In den
Anhand der
Aus der Querschnittsdarstellung des Halters 9 ist ersichtlich, dass die beiden Schenkelflächen 27,29 in einer bevorzugten Ausgestaltung der Erfindung konisch verlaufend angeordnet sind und zwar derart, dass das offene Ende, also an der Stelle der freien Kanten der Seitenflächen 27,29, der Abstand grösser ist als im Bereich der Basisfläche 31. Diese Aufweitung erleichtert das Einführen bzw. Einlegen des Distanzhalterstabs 3, der vom Keil 7 gehalten ist. Zusammen mit den konisch angeordneten Führungsringen 21 und nun den konisch angeordneten Seitenflächen 27,29 am Halter wird es möglich, dass ohne exaktes Heranführen des Keils 7 an den Halter 9 der Keil 7 mit dem Distanzhalterstab 3 in den Halter 9 einlegbar ist und dieser im Wesentlichen durch Schwerkraft sich selbst in die richtige Ausnehmung 39 einlegt.From the cross-sectional view of the
Alternativ zu einem Ausschnitt 33 mit stufenförmig angeordneten Ausnehmungen 39 kann in einer einfachen Ausführungsform auch ein Ausschnitt 33 mit parallelen Flanken ohne Stufen vorgesehen sein (vergl.
An den Unterkanten des Halters 9 bzw. der Schenkelflächen 27 und 29 sowie der Basisfläche 31 können nach unten abstehend Zacken 41 ausgebildet sein. Diese dienen der Verankerung des Halters 9 auf einer Oberfläche der Teilbaute 12 (
Aus den
Dabei liegt der Distanzhalterstab 3 in der Ausnehmung 39 des Halters 9 in Position I (siehe auch
Wird der Halter 9 an einem Anschlusseisen 11 mit Durchmesser 16 mm angelegt, so gleitet der Distanzhalterstab 3 zwangsläufig in die zuoberst liegende Position III, das heisst die am weitesten vom Distanzhalterstab entfernte Position, wie in
Auch ein Anschlusseisen mit dem Durchmesser 20 mm, wie in
Die
Das Verbinden des Distanzhalterstabs 3 mit dem Armierungseisen 11 mit Hilfe eines Halters 9, an welchem die Einschnitte 33 parallel verlaufende Kanten 35,37 aufweisen, ist in den
Claims (11)
zurückgehaltenen Distanzhalterstab (3)
retained spacer rod (3)
dadurch gekennzeichnet, dass
an den zweiten Kanten (37) der beiden Einschnitte (33), die weiter entfernt von der Basisfläche (31) liegen, mehrere stufenartig angeordnete Ausnehmungen (39) ausgebildet sind, in welchen bei losem Auflegen der Distanzhalterstab (3) am Keil (7) einrast- und durch den Keil (7) fixierbar istDistance and stop bracket assembly for determining the distance of formwork and for the exact positioning of the formwork for a wall in the manufacture of concrete structures on a part of construction (21), comprising a holder (9) which at one of the Surface of the Teilbaute (12) projecting connecting iron (11) can be applied, a spacer rod (3) which is held on a wedge (7) for wedging the spacer rod (3) with the connecting iron (11) axially displaceable, wherein the holder (9 ) comprises two spaced-apart side or leg surfaces (27, 29) joined together by a base surface (31) extending over at least a portion of the height of the side or leg surfaces (27, 29) and on the sides - or leg surfaces (27,29) depending on a top open cutout (33) for insertion of the spacer rod (3) having a first edge (35) and a second edge (37) is formed,
characterized in that
at the second edges (37) of the two incisions (33), which lie farther away from the base surface (31), a plurality of step-like recesses (39) are formed, in which when loosely placing the spacer rod (3) on the wedge (7) einrast- and by the wedge (7) can be fixed
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00117/17A CH713432A2 (en) | 2017-02-01 | 2017-02-01 | A method of connecting a spacer rod to a terminal iron on a subcomponent, and a wedge, a spacer and stop bracket assembly and a holder. |
EP18154330.7A EP3358105A1 (en) | 2017-02-01 | 2018-01-31 | Method for connecting a spacing element with a connecting iron, a wedge, a spacing and stop holder arrangement and a holder |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18154330.7A Division EP3358105A1 (en) | 2017-02-01 | 2018-01-31 | Method for connecting a spacing element with a connecting iron, a wedge, a spacing and stop holder arrangement and a holder |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3508667A1 true EP3508667A1 (en) | 2019-07-10 |
Family
ID=61132095
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19155671.1A Pending EP3508667A1 (en) | 2017-02-01 | 2018-01-31 | Method for connecting a spacing element with a connection strip spacing and stop holder, a wedge and a holder |
EP18154330.7A Pending EP3358105A1 (en) | 2017-02-01 | 2018-01-31 | Method for connecting a spacing element with a connecting iron, a wedge, a spacing and stop holder arrangement and a holder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18154330.7A Pending EP3358105A1 (en) | 2017-02-01 | 2018-01-31 | Method for connecting a spacing element with a connecting iron, a wedge, a spacing and stop holder arrangement and a holder |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP3508667A1 (en) |
CH (1) | CH713432A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH715391A2 (en) * | 2018-09-27 | 2020-03-31 | Maegert Bautechnik Ag | Wedge element, spacer with at least one such wedge element, positioning device with such a spacer and method for positioning wall formwork. |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH687471A5 (en) | 1994-03-09 | 1996-12-13 | Maegert Bautechnik Ag | A method for setting a stop or spacer. |
DE29812311U1 (en) | 1998-07-14 | 1998-11-12 | Hein Reiner Rudolf | Storage and working device for attachment to steering wheels |
DE29812111U1 (en) * | 1998-07-09 | 1999-11-18 | Wuerth Adolf Gmbh & Co Kg | Formwork stop |
EP1197617A1 (en) | 1996-03-22 | 2002-04-17 | Giulio Albanese | Fixation device for a spacing element |
DE10252297A1 (en) * | 2001-11-19 | 2003-05-28 | System Albanese Winterthur | Spacer for producing wall shells comprises a rod held and longitudinally displaced in a bore in one arm of a holding part having a second bore in a second arm designed as a slit-like recess with an upward-facing opening |
DE10252296A1 (en) | 2001-11-19 | 2003-07-17 | System Albanese Winterthur | Shoring panel wedge has side-ring for accurate presentation during installation |
EP2987924A1 (en) | 2014-08-18 | 2016-02-24 | Pino Albanese | Stop element holder for wall formwork |
CH711156A2 (en) | 2015-06-01 | 2016-12-15 | Mägert & Co Innovation | Positioning device for a positioning device, positioning device with at least one such stop element and method for positioning wall formings. |
-
2017
- 2017-02-01 CH CH00117/17A patent/CH713432A2/en unknown
-
2018
- 2018-01-31 EP EP19155671.1A patent/EP3508667A1/en active Pending
- 2018-01-31 EP EP18154330.7A patent/EP3358105A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH687471A5 (en) | 1994-03-09 | 1996-12-13 | Maegert Bautechnik Ag | A method for setting a stop or spacer. |
EP1197617A1 (en) | 1996-03-22 | 2002-04-17 | Giulio Albanese | Fixation device for a spacing element |
DE29812111U1 (en) * | 1998-07-09 | 1999-11-18 | Wuerth Adolf Gmbh & Co Kg | Formwork stop |
DE29812311U1 (en) | 1998-07-14 | 1998-11-12 | Hein Reiner Rudolf | Storage and working device for attachment to steering wheels |
DE10252297A1 (en) * | 2001-11-19 | 2003-05-28 | System Albanese Winterthur | Spacer for producing wall shells comprises a rod held and longitudinally displaced in a bore in one arm of a holding part having a second bore in a second arm designed as a slit-like recess with an upward-facing opening |
DE10252296A1 (en) | 2001-11-19 | 2003-07-17 | System Albanese Winterthur | Shoring panel wedge has side-ring for accurate presentation during installation |
CH695905A5 (en) | 2001-11-19 | 2006-10-13 | System Albanese | Distance and spacers. |
EP2987924A1 (en) | 2014-08-18 | 2016-02-24 | Pino Albanese | Stop element holder for wall formwork |
CH711156A2 (en) | 2015-06-01 | 2016-12-15 | Mägert & Co Innovation | Positioning device for a positioning device, positioning device with at least one such stop element and method for positioning wall formings. |
Also Published As
Publication number | Publication date |
---|---|
CH713432A2 (en) | 2018-08-15 |
EP3358105A1 (en) | 2018-08-08 |
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