DEVICE FOR JOINING TWO COMPONENTS SEPARATED BY A JOINT

Abstract

A device (1) for connecting two components (B1, B2) separated by a joint (F), which is suitable for absorbing transverse forces, comprises a mandrel part (100) comprising a mandrel (101) and a sleeve part (200) with a sleeve (201), wherein a mandrel-side reinforcing element (102) is arranged on the mandrel (101), which has a mandrel-side front plate (110) on which a mandrel-side leg (120) is present on at least one edge (115), and wherein a sleeve-side reinforcing element (202) is arranged on the sleeve (201), which has a sleeve-side front plate (210) on which a sleeve-side leg (220) is present on at least one edge (215),wherein on the mandrel-side leg (120) there is at least in sections an edge section (123) bent along a bending line (122) running parallel to a mandrel longitudinal axis (DL) and / or on the sleeve-side leg (220) there is an edge section (223) bent along a bending line (222) running parallel to a sleeve longitudinal axis (HL).

Description

Technical area

[0001] The invention relates to a device for connecting two components separated by a joint, in particular concrete components, which is suitable for absorbing transverse forces, comprising a mandrel part comprising a mandrel with a first region which can be inserted into the second component, and a sleeve part with a sleeve which can be inserted into the first component, wherein the sleeve has an insertion opening and an adjoining receiving region and is designed such that a second region of the mandrel can be received in the receiving region of the sleeve. A further aspect relates to a method for producing a corresponding mandrel part and / or sleeve part and the use of the device for absorbing transverse forces in two components separated by a joint, in particular concrete components.Furthermore, the invention relates to an arrangement comprising two components separated by a joint, in particular concrete components, which are connected via a corresponding device. State of the art

[0002] In building and civil engineering, it is common practice to connect concrete components. This requires joints between the components to be connected. These joints compensate for expansion of the components due to temperature fluctuations, as well as shrinkage and creep. However, the components should be connected in such a way that the shear forces between the components can be transferred. Dowel-sleeve connections, which are well-known in many different ways, are particularly suitable for this purpose. This dowel-sleeve connection allows the shear forces occurring between the components to be optimally transferred; however, the respective dowel is held longitudinally displaceably in the corresponding sleeve, so that the expansion of the components can be compensated.

[0003] In such component connections, high loads act on the mandrel-sleeve connection, particularly at the joint edge. The concrete surrounding the mandrel and sleeve in these areas is subjected to particularly high stresses. To prevent the concrete from cracking at the joint edge in these areas, which experience the highest load peaks, the mandrel and sleeve are each equipped with reinforcing elements in this area. These reinforcing elements, preferably made of steel, are intended to ensure that the forces to be transferred to the component are distributed as evenly as possible over a larger area into the connected components. This can improve the fracture resistance of the concrete in these areas.

[0004] In this context, for example, patent EP 3 339 525 A1 (FJ Aschwanden AG) describes a device in which the mandrel and the sleeve are provided with reinforcing elements, each having a first plate directed toward the joint, to which bracket elements are attached on opposite sides. The respective first plate and the regions of the reinforcing elements adjacent to the first plate are also embedded in a plate-shaped element formed from a high-strength mortar-like mass that surrounds the respective first plate on all sides. Although such devices can transmit transverse forces to the components, they are relatively complex in design, expensive to manufacture, and correspondingly expensive.

[0005] Other mandrel-sleeve connections used in practice, which are easier to manufacture, are not entirely convincing in terms of force transmission and / or the avoidance of load peaks.

[0006] There is therefore still a need for improved solutions that at least partially overcome the disadvantages of known mandrel-sleeve connections. Description of the invention

[0007] The object of the present invention is therefore to propose improved solutions for connecting two components separated by a joint, in particular concrete components, and for absorbing transverse forces between the components. In particular, solutions are to be provided that can optimally absorb the loads occurring at the joint edge of the two components and transfer them into the components. Furthermore, the solutions should be as simple and cost-effective to manufacture as possible.

[0008] The solution to this problem is defined by the features of the independent claims.

[0009] According to a first aspect, the invention relates to a device for connecting two components separated by a joint, in particular concrete components, which is suitable for absorbing transverse forces, comprising a mandrel part comprising a mandrel with a first region which can be inserted into the second component, and a sleeve part with a sleeve which can be inserted into the first component, wherein the sleeve has an insertion opening and an adjoining receiving region and is designed such that a second region of the mandrel can be received in the receiving region of the sleeve; wherein a mandrel-side reinforcement element is arranged on the mandrel, which has a mandrel-side front plate to be aligned with the joint, on which a mandrel-side leg is present on at least one edge, wherein the mandrel-side leg projects away from the mandrel-side front plate in a direction from the second region of the mandrel to the first region of the mandrel; and wherein the mandrel-side front plate has an opening through which the mandrel is passed; and wherein a sleeve-side reinforcement element is arranged on the sleeve, which has a sleeve-side front plate to be aligned with the joint, on which a sleeve-side leg is present on at least one edge, wherein the sleeve-side leg projects away in a direction from an insertion opening to the receiving region; and wherein the sleeve-side front plate has an opening through which a region of the insertion opening of the sleeve is passed;wherein on the mandrel-side leg there is at least in sections an edge section bent along a bending line running parallel to a mandrel longitudinal axis and / or on the sleeve-side leg there is at least in sections an edge section bent along a bending line running parallel to a sleeve longitudinal axis. ;

[0010] In the present context, the "transverse direction" is understood to mean a direction perpendicular to the mandrel longitudinal axis and / or sleeve longitudinal axis.

[0011] The components consist in particular of a mineral binder composition, in particular a mortar and / or concrete composition. The device according to the invention for connecting two components separated by a joint is cast into the mineral binder composition during the production of the components.

[0012] A mineral binder composition comprises at least one mineral binder and optionally aggregates and / or one or more mortar and / or concrete admixtures.

[0013] The term "mineral binder" refers in particular to a binder that reacts in the presence of water in a hydration reaction to form solid hydrates or hydrate phases. This can be, for example, a hydraulic binder (e.g., cement or hydraulic lime), a latently hydraulic binder (e.g., slag), a pozzolanic binder (e.g., fly ash), or a non-hydraulic binder (gypsum or white lime). In particular, the mineral binder or binder composition contains a hydraulic binder, preferably cement. A cement with a cement clinker content of ≥ 35 wt.% is particularly preferred. In particular, the cement is of type CEM I, II, IV, or V (according to standard EN 197-1).

[0014] In a further preferred embodiment, the mineral binder composition additionally contains solid aggregates, in particular gravel, sand, and / or rock aggregates. Such binder compositions can be used, for example, as mortar mixes or concrete mixes. In particular, the binder composition additionally contains water, with a weight ratio of water to mineral binder preferably in the range of 0.25-0.8, in particular 0.3-0.6, preferably 0.35-0.5. Such binder compositions can be processed directly as mortar mixes or concrete mixes.

[0015] It may also be advantageous if the mineral binder composition further contains at least one additive, in particular a concrete admixture and / or a mortar admixture. The at least one additive comprises, in particular, a defoamer, a dye, a preservative, a plasticizer, a flow agent, a retarder, an air-entraining agent, a shrinkage reducer, and / or a corrosion inhibitor, or combinations thereof.

[0016] It has been shown that the bent edge section on the mandrel-side leg and the bent edge section on the sleeve-side leg significantly improve the reinforcement elements on the mandrel and sleeve sides, respectively. On the one hand, the mechanical stability of the legs and thus of the reinforcement elements as a whole is increased. This ensures high dimensional stability of the mandrel part and sleeve part, even under high shear forces. On the other hand, the bent edge section simultaneously improves the embedding of the reinforcement elements in the concrete components, as an additional form fit is created between the respective bent edge section and the binder mass cast around it.

[0017] Overall, the structure according to the invention achieves a more optimal force transmission and point load peaks can be reduced or avoided, so that breakage at the joint edge can be avoided even under high transverse loads.

[0018] Furthermore, the structure of the reinforcement elements according to the invention, with front plate, leg, and bent edge section, can be manufactured, for example, from a single piece of sheet metal purely by bending. This simplifies production and significantly reduces costs without compromising on force transmission and the avoidance of load peaks.

[0019] Specifically, in an area defined by the mandrel-side front plate and the at least one mandrel-side leg, prior to insertion into the second component, there is a free space that is accessible from the outside so that it can be filled with a binder composition, e.g., concrete; and / or in an area defined by the sleeve-side front plate and the at least one sleeve-side leg, prior to insertion into the first component, there is a free space that is accessible from the outside so that it can be filled with a binder composition. In other words, in this case, the mineral binder composition penetrates the reinforcing element in the installed state.

[0020] According to a preferred embodiment, on the mandrel-side leg, on a side of the leg opposite the bent edge section, there is at least in sections a further edge section bent over along a further bending line running parallel to the mandrel longitudinal axis and / or on the sleeve-side leg, on a side of the sleeve-side leg opposite the bent edge section, there is at least in sections a further edge section bent over along a further bending line running parallel to the sleeve longitudinal axis.

[0021] In other words, there are at least partially bent edge sections on the mandrel-side leg and / or the sleeve-side leg on opposite sides of the legs.

[0022] Further preferably, the mandrel-side front plate has, on a further edge opposite the at least one edge, a further mandrel-side leg, which protrudes away from the mandrel-side front plate in a direction from the second region of the mandrel to the first region of the mandrel; and / or the sleeve-side front plate has, on a further edge opposite the at least one edge, a further sleeve-side leg, which protrudes away from the insertion opening to the receiving region.

[0023] In this case, the mandrel-side and / or sleeve-side reinforcement element on the respective front plate has two opposite legs.

[0024] On the further mandrel-side leg, there is preferably at least in sections an edge section bent along a bending line running parallel to a mandrel longitudinal axis and / or on the sleeve-side leg there is at least in sections an edge section bent along a bending line running parallel to a sleeve longitudinal axis.

[0025] This means that at least one bent edge section is present on both mandrel-side legs and / or on both sleeve-side legs, at least in sections.

[0026] Further preferably, on the further mandrel-side leg, on a side of the further mandrel-side leg opposite the bent edge section, there is at least in sections a further edge section bent along a further bending line running parallel to the mandrel longitudinal axis; and / or on the further sleeve-side leg, on a side of the further sleeve-side leg opposite the bent edge section, there is at least in sections a further edge section bent along a further bending line running parallel to the sleeve longitudinal axis.

[0027] In other words, in this embodiment, on the additional mandrel-side leg and / or additional sleeve-side leg, there is at least a sectionally bent edge section on opposite sides of the legs.

[0028] The above-mentioned additional legs and / or additional edge sections make the above-mentioned advantages even more apparent.

[0029] According to a further preferred embodiment, the two mandrel-side legs are substantially identical in construction and / or the two sleeve-side legs are substantially identical in construction.

[0030] Further preferably, the two mandrel-side legs and / or the two sleeve-side legs are aligned plane-parallel to each other.

[0031] In particular, the two sleeve-side legs and the sleeve-side front plate form a U-shape and / or the two mandrel-side legs and the mandrel-side front plate form a U-shape.

[0032] The at least one sleeve-side leg, in particular both sleeve-side legs, are preferably perpendicular to the sleeve-side front plate and / or the at least one mandrel-side leg, in particular both mandrel-side legs, are preferably perpendicular to the mandrel-side front plate.

[0033] The mandrel-side front plate and / or the sleeve-side front plate are preferably rectangular and flat.

[0034] Preferably, the at least one sleeve-side leg, in particular both sleeve-side legs, has a rectangular central region and / or the at least one mandrel-side leg, in particular both mandrel-side legs, has a rectangular central region. The central region(s) are, in particular, planar regions.

[0035] Further preferably, the bent edge section(s) are each formed as flat regions, in particular rectangular regions, which protrude or protrude from the central region at an oblique angle, in particular at an angle of 5 - 90°, especially 25 - 65°.

[0036] In particular, the flat area(s) are flat.

[0037] The surface area of ​​a planar region corresponds in particular to 2 - 40%, in particular 5 - 25%, of the surface area of ​​the central region.

[0038] The flat area of ​​the at least one bent edge section on at least one mandrel-side leg preferably lies in a geometric plane that intersects the mandrel-side front plate; and / or the flat area of ​​the at least one bent edge section on at least one sleeve-side leg preferably lies in a geometric plane that intersects the sleeve-side front plate.

[0039] This means that the bent edge section(s) protrude diagonally away from the longitudinal axis of the mandrel or sleeve. This provides particularly pronounced stabilization of the reinforcing elements.

[0040] In another embodiment, the flat area of ​​the at least one bent edge section on the at least one mandrel-side leg can also lie in a geometric plane that does not intersect the mandrel-side front plate; and / or the flat area of ​​the at least one bent edge section on the at least one sleeve-side leg can lie in a geometric plane that does not intersect the sleeve-side front plate.

[0041] Mixed arrangements of the flat areas may also be present.

[0042] Furthermore, it is preferred if all mandrel-side flat areas of the bent edge sections lie in geometric planes that intersect the mandrel-side front plate; and / or if all sleeve-side flat areas of the bent edge sections lie in geometric planes that intersect the sleeve-side front plate.

[0043] The bent edge section or the bent edge sections preferably each extend over at least 50%, in particular at least 75%, especially at least 90%, in particular 100%, of the length of the associated leg in the direction of the mandrel longitudinal axis or the sleeve longitudinal axis.

[0044] The longer the bent edge sections are, the better the advantages of the invention are realized.

[0045] According to a further preferred embodiment, a back plate is arranged on at least one sleeve-side leg in a region facing away from the sleeve-side front plate, in particular on a rear edge of the sleeve-side leg, which back plate projects away from the sleeve-side leg in a direction perpendicular to the sleeve longitudinal axis, wherein the sleeve is preferably guided through an opening in the sleeve-side back plate and / or a mandrel-side back plate is arranged on at least one mandrel-side leg in a region facing away from the mandrel-side front plate, in particular on a rear edge of the mandrel-side leg, which back plate projects away from the mandrel-side leg in a direction perpendicular to the mandrel longitudinal axis, wherein the first region of the mandrel is preferably guided through an opening in the mandrel-side back plate.

[0046] This allows the sleeve and / or mandrel to be additionally anchored in the respective reinforcement element, particularly through positive locking. This further improves the effectiveness of the reinforcement elements and, in particular, ensures an even more stable construction of the device for connecting two components separated by a joint.

[0047] Particularly preferably, the two sleeve-side legs are connected in a region facing away from the sleeve-side front plate by a connecting element, in particular the sleeve-side back plate, and / or the two mandrel-side legs are connected in a region facing away from the mandrel-side front plate by a mandrel-side connecting element, in particular the mandrel-side back plate.

[0048] In addition to or instead of the back plate(s), other connecting elements may be provided, such as profile-shaped connecting elements and / or connecting axes.

[0049] Particularly preferably, the sleeve-side back plate is positively connected to the at least one sleeve-side leg, in particular to both sleeve-side legs; and / or the mandrel-side back plate is positively connected to the at least one mandrel-side leg, in particular to both mandrel-side legs.

[0050] Such an embodiment makes it possible, for example, to attach the back plate(s) to the legs and then fix them if necessary, e.g. by means of a ratchet connection and / or a material-to-material stapling.

[0051] For example, on the at least one mandrel-side leg, in particular on both mandrel-side legs, there are one, in particular two or more, projections on the legs in a direction protruding away from the mandrel-side front plate, which projections engage in corresponding recesses in the mandrel-side back plate and / or protrude through them; and / or on the at least one sleeve-side leg, in particular on both sleeve-side legs, there are one, in particular two or more, projections on the legs in a direction protruding away from the sleeve-side front plate, which projections engage in corresponding recesses in the sleeve-side back plate and / or protrude through them.

[0052] This represents a particularly preferred connection between the legs and the back plate(s).

[0053] In a further preferred embodiment, the sleeve-side back plate, the mandrel-side back plate and / or the connecting element are connected to the respective leg(s) in a materially bonded manner, in particular by welding, in addition to the positive connection.

[0054] Furthermore, it is preferred if the mandrel is additionally connected in a material-to-material manner, in particular by welding, to the mandrel-side front plate and / or the mandrel-side back plate; and / or if the sleeve is additionally connected in a material-to-material manner, in particular by welding, to the sleeve-side front plate and / or the sleeve-side back plate.

[0055] The additional material-to-material connections further stabilize the positive connections. This is particularly advantageous when installing the device for joining two components separated by a joint, as it reduces the risk of individual components such as the mandrel, sleeve, and / or back plates being displaced relative to the other components of the device according to the invention due to the pressures acting during casting. However, such material-to-material connections are not absolutely necessary.

[0056] In a further advantageous embodiment, the sleeve-side back plate, the mandrel-side back plate and / or the connecting element have one or more openings via which the mandrel and / or the sleeve can be connected to third elements, in particular reinforcements and / or formwork, in a force-fitting and / or form-fitting manner.

[0057] This allows the device according to the invention for connecting two components separated by a joint to be fixed in a defined position in a simple but secure manner before casting. This prevents the device according to the invention from moving during subsequent casting and being cast in an incorrect position or orientation.

[0058] Wires, screws, nails, and / or staples can be used as fasteners. Wires are particularly suitable.

[0059] According to a further advantageous embodiment, one or more flanges are provided on the mandrel-side front plate, which flanges protrude from an edge of the mandrel-side front plate, which does not carry a leg, in a direction from the second region of the mandrel to the first region of the mandrel; and / or one or more flanges are provided on the sleeve-side front plate, which flanges protrude from an edge of the sleeve-side front plate, which does not carry a leg, in a direction from an insertion opening to the receiving region.

[0060] In particular, the flanges are rectangular and, in particular, flat.

[0061] Such flanges can provide additional stabilization, particularly for the front panels, and the device according to the invention can be cast over a larger area near the front ends of the components. This further stabilizes the connection.

[0062] Particularly preferably, the mandrel-side front plate and the at least one mandrel-side leg, in particular both mandrel-side legs, with the at least one bent edge section, in particular with both bent edge sections, and possibly the flange(s), are obtainable or have been obtained from a one-piece plate-shaped element by bending; and / or the sleeve-side front plate and the at least one sleeve-side leg, in particular both sleeve-side legs, with the at least one bent edge section, in particular with both bent edge sections, and possibly the flange(s), are obtainable or have been obtained from a one-piece plate-shaped element by bending.

[0063] Such devices can be manufactured particularly efficiently and yet exhibit extremely high stability.

[0064] In particular, in the device according to the invention, there is no welded connection, no positive connection, and / or no force-locking connection between the mandrel-side front plate and the at least one mandrel-side leg, in particular the two mandrel-side legs; and / or there is no welded connection, no positive connection, and / or no force-locking connection between the sleeve-side front plate and the at least one sleeve-side leg, in particular the two sleeve-side legs.

[0065] A further aspect of the present invention relates to a method for producing a mandrel part and / or a sleeve part as described above, comprising the steps: a) Providing a plate-shaped element, in particular made of metal, preferably of steel, which has the shape of a flat development comprising at least the front plate region, a leg region with a central region and an edge section region of the mandrel-side reinforcing element and / or the sleeve-side reinforcing element to be bent; b) Bending the plate-shaped element between the front plate region and a leg region; c) Bending the plate-shaped element between the central region and an edge section region to be bent; d) Inserting a mandrel into an opening in the front plate region and / or inserting a sleeve into an opening in the front plate region and optionally fixing the mandrel and / or the sleeve in the respective opening by means of a material fit; e) Optionally, attaching the back plate, in particular by means of a force-fitting and / or form-fitting connection.

[0066] In particular, the plate-shaped element used in step a) has the shape of a flat development comprising two leg regions and in step b) bending takes place between the front plate region and both leg regions.

[0067] In particular, the plate-shaped element used in step a) has the shape of a flat development comprising, on each leg region on opposite sides of the central region, an edge section region to be bent, and in step b), bends are made between the central region and both edge section regions to be bent.

[0068] In particular, the bending lines of the bends in steps b) and c) are perpendicular to each other.

[0069] In particular, the plate-shaped element has a constant thickness of e.g. 2 - 5 mm.

[0070] In particular, the plate-shaped element is produced in step a) by cutting, in particular laser cutting. A sheet metal, in particular a steel sheet, is used as the starting material.

[0071] More preferably, the plate-shaped element has the shape of a flat development, which comprises: two leg regions adjacent to opposite sides of the front panel region, each leg region having at least one, preferably two opposite edge regions to be bent and / or one or two flange regions adjacent to the front panel region; and wherein in step b) bends are made between these areas.

[0072] An additional aspect of the present invention relates to an arrangement comprising two components separated by a joint, in particular concrete components, and a device as described above, wherein the sleeve part is inserted in the first component, the mandrel part is inserted in the second component and the second region of the mandrel is received in the receiving region of the sleeve.

[0073] The two front plates of the mandrel part and the sleeve part are in particular aligned plane-parallel to each other and in particular the two front plates have a distance of 0.1 - 10 cm, in particular 0.5 - 5 cm.

[0074] In the arrangement, the mandrel preferably projects into the sleeve or the mandrel is located in the sleeve in such a way that a transmission of transverse forces between the components is possible, while a compensation of length changes in the direction of the mandrel or sleeve longitudinal axis of the components is ensured.

[0075] In a further aspect, the present invention relates to the use of a device as described above for absorbing transverse forces in two components separated by a joint, in particular concrete components. The mandrel preferably protrudes into the sleeve or is located therein in such a way that the transmission of transverse forces and, at the same time, the compensation of length changes in the direction of the longitudinal axis of the mandrel or sleeve are ensured.

[0076] In other words, in the arrangement and / or use described above, the mandrel is received in the sleeve in a longitudinally displaceable manner.

[0077] Further advantageous embodiments and combinations of features of the invention emerge from the following detailed description and the entirety of the patent claims. Short description of the drawings

[0078] The drawings used to explain the embodiment show: Fig. 1A perspective view of a device according to the invention for connecting two components separated by a joint, which is suitable for absorbing transverse forces, wherein the device comprises a mandrel part (left in Fig. 1 ) and a sleeve part interacting with it (right in Fig. 1 ); Fig. 2A plan view of the mandrel part from Fig. 1 on the side facing the joint; Fig. 3A side view of the mandrel part from Fig. 1 ; Fig. 4A schematic representation of the device from Fig. 1, which is installed in two concrete components separated by a joint. The mandrel part is cast in the left component and the sleeve part in the right component. The mandrel protrudes into the sleeve and thus enables the transmission of transverse forces while compensation of length changes in the direction of the mandrel or sleeve longitudinal axis is ensured; Fig. 5A plate-shaped element made of steel, which after bending along the broken lines together with the back plate element made of Fig. 6 for the manufacture of the reinforcing element of the device from Fig. 1 can be used; Fig. 6A back plate element for producing the device from Fig. 1 ; Fig. 7A solid cylindrical mandrel, which together with the plate-shaped element made of Fig. 5 and the back plate element made of Fig. 6 to the mandrel part Fig. 1 can be assembled.

[0079] In principle, identical parts in the figures are provided with identical reference symbols. Ways to implement the invention

[0080] Fig. 1 shows a device 1 according to the invention for connecting two components B1, B2 separated by a joint F, which is suitable for absorbing transverse forces. A representation of the device 1 in the installed state is shown in Fig. 4 shown.

[0081] In Fig.1 Shown on the left is a mandrel part 100 of the device 1 with a cylindrical mandrel 101 with a mandrel longitudinal axis DL, the first area 101a of which can be inserted into the second component B2. On the right in Fig. 1A sleeve part 200 of the device 1 is shown, comprising a hollow cylindrical sleeve 201 with a sleeve longitudinal axis HL, which can be inserted into the first component B1. The sleeve 201 has an insertion opening 201a and an adjoining receiving area 201b and is designed such that a second area 101b of the mandrel 101 can be received in the receiving area 201b of the sleeve 201. Fig. 2 the mandrel part 100 is shown in a plan view of the front plate 110, while Fig. 3 showing the mandrel part 100 from the side.

[0082] On the mandrel 101, a mandrel-side reinforcing element 102 is arranged, which has a rectangular mandrel-side front plate 110 to be aligned with the joint F, on which opposite edges 115, 116 (see Fig. 2) each has a mandrel-side leg 120, 130. The mandrel-side legs 120, 130 protrude from the mandrel-side front plate 110 in a direction from the second region of the mandrel 101b to the first region of the mandrel 101a.

[0083] The mandrel-side front plate 110 has an opening 110a through which the mandrel 101 is passed.

[0084] The mandrel-side legs 120, 130 each have a rectangular, flat central region 121, 131. On opposite sides of the central regions 121, 131, bent edge sections 123, 125, 133, 135 in the form of rectangular, flat regions are located along bending lines 122, 124, 132, 134 running parallel to the mandrel's longitudinal axis. The edge sections 123, 125, 133, 135 extend along the entire length of the central regions 121, 131 in the direction of the mandrel's longitudinal axis.

[0085] The two mandrel-side legs 120, 130 are essentially identical in construction. Furthermore, the mandrel-side legs 120, 130, or their central regions 121, 131, are aligned plane-parallel to each other and are perpendicular to the front panel 110, so that together with the front panel they form a U-shape.

[0086] The bent rectangular edge sections 123, 125, 133, 135 protrude at an oblique angle W of, for example, 45° from the corresponding central areas 121, 131 and the flat areas of the edge sections 123, 125, 133, 135 lie in geometric planes E1, E2, which intersect the mandrel-side front plate 110 (see Fig. 2 ).

[0087] A mandrel-side back plate 140 is arranged on the mandrel-side legs 120, 130 in an area facing away from the mandrel-side front plate 110, on the rear edge of the mandrel-side legs 120, 130. This back plate protrudes from the mandrel-side legs 120, 130 in a direction perpendicular to the mandrel longitudinal axis and connects the two legs at the rear end.

[0088] On each of the two mandrel-side legs 120, 130, two projections 126, 136 are arranged in a direction away from the mandrel-side front plate 110. These projections engage in corresponding recesses in the mandrel-side back plate 140 and extend through them. As a result, the back plate 140 is positively connected to the legs 120, 130 and functions as a connecting element between the two legs.

[0089] The first region 101a of the mandrel 101 is also guided through a circular opening in the mandrel-side back plate 140 so that it is held in a form-fitting manner.

[0090] The mandrel 101 is preferably welded to the front plate 110 and the back plate at specific points in the area of ​​the openings 110a, so that it does not slip during the casting of the mandrel part. For the same reason, the back plate 140 is preferably welded to the projections 126, 136.

[0091] The mandrel-side back plate 140 also has four L-shaped openings 141, via which the mandrel part 100 can be connected to third elements, in particular reinforcements and / or formwork, in a force-fitting and / or form-fitting manner.

[0092] On the mandrel-side front plate 110, there are flanges 112, 114 on opposite edges 111, 113, which project away from the mandrel-side front plate in the direction from the second region 101b of the mandrel 101 to the first region 101a of the mandrel 100.

[0093] The sleeve part 200 is constructed analogously. However, instead of the mandrel 101, it has a sleeve 201 with a sleeve opening 201a and a receiving area 201b located behind it. This is dimensioned such that it can positively accommodate the mandrel part 101b with slight play, so that the mandrel part 101b can be moved in the receiving area 201b along the sleeve's longitudinal axis. Furthermore, the sleeve part 200 has two flanges 212, 214, which are designed differently than the flanges 112, 114 on the mandrel part 100. Additional L-shaped profiles are arranged on the flanges 212, 214, one leg of which lies in the plane of the front plate 210. The remaining components of the sleeve part 200 essentially correspond to the corresponding components of the mandrel part 100 and are provided with reference numerals increased by the value 100.

[0094] Fig. 5shows a plate-shaped element 102' made of steel, which together with the back plate element 140' made of Fig. 6 for producing the reinforcing element 102 of the device 1 from Fig. 1 These two elements, together with the Fig. 7 shown mandrel element 101' the mandrel part 100 from Fig. 1 be manufactured.

[0095] The plate-shaped element made of Fig. 5102' has a rectangular front panel area 110', two rectangular leg areas 120', 130', each with a central area 121', 131' and opposite edge section areas 123', 125', 133', 135' to be bent, and two rectangular projection areas 126', 136' each projecting away from the front panel area 110', as well as flange areas 112', 114' adjacent to and opposite the front panel area 110'. The plate-shaped element consists, for example, of a one-piece steel sheet with a constant thickness of, for example, 2 - 5 mm.

[0096] The dashed lines represent the bending edges 111', 113', 122', 124', 132', 134' or, after bending, the corresponding edges 111, 113, 122, 124, 132, 134 in the reinforcing element 102.

[0097] In the center of the front plate 110' there is also a circular opening 110a', which is used to accommodate the mandrel 101' ( Fig. 7 ) is designed.

[0098] The Fig. 6 The illustrated back plate element 140' has a circular opening 140a', which is used to receive the mandrel 101' ( Fig. 7 ). Further rectangular openings 140b', 140c' are designed to accommodate the projection areas 126', 136'. The L-shaped openings 141' create the openings 141 in the mandrel part 100, via which the mandrel part 100 can be connected to third-party elements, in particular reinforcements and / or formwork, in a force-fitting and / or form-fitting manner.

[0099] The plate-shaped element 102' and the back plate element 140' can be manufactured quickly and precisely, for example, by laser cutting.

[0100] The production of the mandrel part 100 from Fig. 1can be done, for example, as follows: The plate-shaped element 102' is provided and bent between the various areas 110', 112', 114', 121', 123', 125', 131', 133', 135' at the bending edges 111', 113', 115', 116', 122', 124', 132', 134'. At the bending edges 111', 113', 115', 116' a bend of 90° occurs, while the bending edges 122', 124', 132', 134' are bent, for example, by 45° upwards out of the sheet plane.

[0101] Then the mandrel 101' is made of Fig. 7 inserted into the openings 110a', 140a' and the back plate element 140' from Fig. 6 over the projection areas 126', 136'. Mandrel 101' and back plate element 140' are then connected by spot welding.

[0102] This means that the mandrel part 100 is made of Fig. 1 completed. The sleeve part can be manufactured using an analogous process.

[0103] The embodiments described above are to be understood merely as illustrative examples, which can be modified as desired within the scope of the invention.

[0104] For example, it is possible to omit the back plates 140, 240 and / or the projections 126, 136, 226, 236, to provide shorter and / or differently shaped and / or differently curved regions 123, 125, 133, 135, 223, 225, 233, 235 on the legs 120, 130, 220, 230 and / or to attach only one leg to the front plates 110, 210.

[0105] It is also possible to design the mandrel part 100 and the sleeve part 200 differently, apart from the differences caused by the mandrel and sleeve, for example with a different number of legs and / or bent areas.

[0106] In addition, the flanges 112, 114, 212, 214 can be omitted and / or have a different shape. In particular, the flanges can also be mounted at a different angle to the front panels.

[0107] In summary, it can be stated that novel and particularly advantageous devices for connecting two components separated by a joint have been created, which are suitable for absorbing transverse forces.

Claims

1. Device (1) for connecting two components (B1, B2) separated by a joint (F), in particular concrete components, which is suitable for absorbing transverse forces, comprising a mandrel part (100) comprising a mandrel (101) with a first region (101a) which can be inserted into the second component (B2), and a sleeve part (200) with a sleeve (201) which can be inserted into the first component (B1), wherein the sleeve (201) has an insertion opening (201a) and an adjoining receiving region (201b) and is designed such that a second region (101b) of the mandrel (101) can be received in the receiving region (201b) of the sleeve (201);wherein a mandrel-side reinforcing element (102) is arranged on the mandrel (101), which has a mandrel-side front plate (110) to be aligned with the joint (F), on which a mandrel-side leg (120) is present on at least one edge (115), wherein the mandrel-side leg (120) projects away from the mandrel-side front plate (110) in a direction from the second region (101b) of the mandrel (101) to the first region (101a) of the mandrel (101); and wherein the mandrel-side front plate (110) has an opening (110a) through which the mandrel (101) is passed; and wherein a sleeve-side reinforcing element (202) is arranged on the sleeve (201), which has a sleeve-side front plate (210) to be aligned with the joint (F), on which front plate a sleeve-side leg (220) is present on at least one edge (215), wherein the sleeve-side leg (220) projects in a direction away from the insertion opening (201a) to the receiving area (201b);and wherein the sleeve-side front plate (210) has an opening through which a portion of the insertion opening (201a) of the sleeve is passed; ; characterized in that on the mandrel-side leg (120) there is at least in sections an edge section (123) bent along a bending line (122) running parallel to a mandrel longitudinal axis (DL) and / or on the sleeve-side leg (220) there is an edge section (223) bent along a bending line (222) running parallel to a sleeve longitudinal axis (HL).

2. Device according to claim 1, characterized in thaton the mandrel-side leg (120), on a side of the leg (120) opposite the bent edge section (123), there is at least in sections a further edge section (125) bent over along a further bending line (124) running parallel to the mandrel longitudinal axis (DL) and / or on the sleeve-side leg (220), on a side of the sleeve-side leg (220) opposite the bent edge section (223), there is at least in sections a further edge section (225) bent over along a further bending line (224) running parallel to the sleeve longitudinal axis (HL).

3. Device according to one of claims 1 - 2, characterized in thatthe mandrel-side front plate (110) has, on a further edge (116) opposite the at least one edge (115), a further mandrel-side leg (130) which projects away from the mandrel-side front plate (110) in a direction from the second region (101b) of the mandrel (101) to the first region (101a) of the mandrel (101) and / or that the sleeve-side front plate (210) has, on a further edge (216) opposite the at least one edge (215), a further sleeve-side leg (230),which projects in a direction away from the insertion opening (201a) to the receiving area (201b), and that on the further mandrel-side leg (130) there is at least in sections an edge section (133) bent along a bending line (132) running parallel to a mandrel longitudinal axis (DL) and / or on the sleeve-side leg (230) there is at least in sections an edge section (233) bent along a bending line (232) running parallel to a sleeve longitudinal axis (HL).

4. Device according to claim 3, characterized in thaton the further mandrel-side leg (130), on a side of the further mandrel-side leg (130) opposite the bent edge section (133), there is at least in sections a further edge section (135) bent over along a further bending line (134) running parallel to the mandrel longitudinal axis (DL) and / or on the further sleeve-side leg (230), on a side of the further sleeve-side leg (230) opposite the bent edge section (233), there is at least in sections a further edge section (235) bent over along a further bending line (234) running parallel to the sleeve longitudinal axis (HL).

5. Device according to one of claims 3 - 4, characterized in that the two sleeve-side legs (220, 230) and the sleeve-side front plate (210) form a U-shape and / or that the two mandrel-side legs (120, 130) and the mandrel-side front plate (110) form a U-shape.

6. Device according to one of claims 1 - 5, characterized in that the at least one mandrel-side leg (120), in particular both mandrel-side legs (120, 130), and / or the at least one sleeve-side leg (220), in particular both sleeve-side legs (220, 230), each have a flat central region (121, 131, 221, 231) and the bent edge section(s) (123, 125, 133, 135, 223, 225, 233, 235) are each designed as flat regions, in particular rectangular regions, which protrude or protrude from the central region (121, 131, 221, 231) at an oblique angle (W), in particular at an angle of 5 - 90°, especially 25-65°.

7. Device according to claim 6, characterized in thatthe flat area of ​​the at least one bent edge section (123, 125, 133, 135) on at least one mandrel-side leg (120, 130) lies in a geometric plane (E1, E2) that intersects the mandrel-side front plate (110); and / or that the flat area of ​​the at least one bent edge section (223, 225, 233, 235) on at least one sleeve-side leg (220, 230) lies in a geometric plane that intersects the sleeve-side front plate (210).

8. Device according to one of claims 1 - 7, characterized in that the bent edge section or the bent edge sections (123, 125, 133, 135, 223, 225, 233, 235) each extend over at least 50%, in particular at least 75%, especially at least 90%, in particular 100%, of the length of the associated leg (120, 130, 220, 230) in the direction of the mandrel longitudinal axis (DL) or the sleeve longitudinal axis (HL).

9. Device according to one of claims 1 - 8, characterized in thaton at least one sleeve-side leg (220) in a region facing away from the sleeve-side front plate (210), in particular on a rear edge of the sleeve-side leg (210), a back plate (240) is arranged, which projects away from the sleeve-side leg (220) in a direction perpendicular to the sleeve longitudinal axis (HL), wherein preferably the sleeve (201) is guided through an opening in the sleeve-side back plate (240) and / or that on at least one mandrel-side leg (120) in a region facing away from the mandrel-side front plate (110), in particular on a rear edge of the mandrel-side leg (120), a mandrel-side back plate (140) is arranged, which projects away from the mandrel-side leg (120) in a direction perpendicular to the mandrel longitudinal axis (DL), wherein preferably the first region of the mandrel (101a) is guided through an opening in the mandrel-side back plate (140).

10. The device according to claim 9, wherein the sleeve-side back plate (240) is positively connected to the at least one sleeve-side leg (220), in particular to both sleeve-side legs (220, 230); and / or that the mandrel-side back plate (140) is positively connected to the at least one mandrel-side leg (120), in particular to both mandrel-side legs (120, 130).

11. Device according to one of claims 1 - 10, characterized in that the sleeve-side back plate (240), the mandrel-side back plate (140) and / or the connecting element have one or more openings (141, 242) via which the mandrel part (100) and / or the sleeve part (200) can be connected to third elements, in particular reinforcements and / or formwork, in a force-fitting and / or form-fitting manner.

12. Device according to one of claims 1 - 11, characterized in thatthe mandrel-side front plate (110) and the at least one mandrel-side leg (120), in particular both mandrel-side legs (120, 130), with the at least one bent edge section (123), in particular with both bent edge sections (123, 125), are obtainable or have been obtained from a one-piece plate-shaped element (102') by bending; and / or that the sleeve-side front plate (210) and the at least one sleeve-side leg (220), in particular both sleeve-side legs (220, 230), with the at least one bent edge section (223), in particular with both bent edge sections (223, 225), are obtainable or have been obtained from a one-piece plate-shaped element by bending.

13. A method for producing a mandrel part (100) and / or a sleeve part (200) as described in any one of claims 1-12, comprising the steps: a) providing a plate-shaped element (102'), in particular made of metal, preferably steel, which has the shape of a flat development comprising at least the front plate region (110'), a leg region (120') with a central region (121'), and an edge section region (123') of the mandrel-side reinforcing element and / or the sleeve-side reinforcing element to be bent; b) bending the plate-shaped element (102') between the front plate region (110') and a leg region (120'); c) bending the plate-shaped element (120') between the central region (121') and an edge section region (123') to be bent;d) Inserting a mandrel (101') into an opening (110a') in the front panel area and / or inserting a sleeve into an opening in the front panel area and optionally firmly fixing the mandrel (101') and / or the sleeve in the respective opening; e) Optionally, attaching the back plate (140'), in particular by force-fitting and / or form-fitting connection.

14. Arrangement comprising two components (B1, B2) separated by a joint (F), in particular concrete components, and a device (1) according to one of claims 1 - 12, wherein the sleeve part (200) is inserted in the first component (B1), the mandrel part (100) is inserted in the second component (B2) and the second region (101b) of the mandrel (101) is received in the receiving region (201b) of the sleeve (201).

15. Use of a device (1) according to one of claims 1 - 12 for absorbing transverse forces in two components (B1, B2) separated by a joint (F), in particular concrete components.