EP4540477A1 - Anschlussvorrichtung, deckenschalungssystem mit anschlussvorrichtung sowie verfahren zur herstellung einer deckenschalung - Google Patents
Anschlussvorrichtung, deckenschalungssystem mit anschlussvorrichtung sowie verfahren zur herstellung einer deckenschalungInfo
- Publication number
- EP4540477A1 EP4540477A1 EP23732564.2A EP23732564A EP4540477A1 EP 4540477 A1 EP4540477 A1 EP 4540477A1 EP 23732564 A EP23732564 A EP 23732564A EP 4540477 A1 EP4540477 A1 EP 4540477A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection
- carrier
- connection device
- locking element
- ceiling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/483—Supporting heads
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
-
- 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
- E04G7/00—Connections between parts of the scaffold
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
- E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
- E04G7/307—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
-
- 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
- E04G7/00—Connections between parts of the scaffold
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/34—Scaffolding bars or members with non-detachably fixed coupling elements with coupling elements using positive engagement, e.g. hooks or pins
Definitions
- Connection device ceiling formwork system with connection device and method for producing ceiling formwork
- the invention relates to a connection device for a safety device of a ceiling formwork system for producing a ceiling or a ceiling section in concrete construction.
- the invention relates to a ceiling formwork system for producing a ceiling or a ceiling section in concrete construction with such a connection device.
- a method for producing a ceiling formwork with a safety device using a connection device according to the invention is proposed.
- Ceiling formwork systems include formwork panels that are laid next to each other on one level to form a level ceiling soffit. The installation takes place on supports that run parallel to each other, which in turn rest on ceiling supports. When laying, the formwork panels can be lifted in from below or placed on top. In order to place the formwork panels from above, at least one person must stand on the supporting structure or on an already laid formwork panel. This person can fall into a space left between two beams and fall. To prevent this from happening, the distance between the supports can be chosen to be correspondingly narrow.
- a collecting device for example in the form of a net or a grid, can be provided in the free space.
- the fall arrest device and the connection of the fall arrest device to the ceiling formwork system must be designed to withstand the load of a person falling into it. The load must also not cause the ceiling formwork system to collapse.
- a fall protection system for ceiling formwork which includes spacer elements and a net that can be attached thereto.
- the spacer elements are arranged at a distance from each other transversely to two parallel supports, so that the spacer elements span the free space between the two supports.
- the spacer elements each have a bar element with bearing elements arranged at the ends. Holding elements for fastening the net are arranged on the bearing elements.
- two types of bearing elements for a spacer element emerge from WO 2019/069246 A1.
- a first type is placed or plugged onto a support from above, so that the formwork panels no longer rest directly on the supports, but on the bearing elements resting thereon. This must be taken into account when setting the altitude. Since a bearing element resting or plugged onto the carrier remains displaceable relative to the carrier, fixing using additional fixing means, for example in the form of nails, is recommended to secure the position. The use of nails is recommended because in WO 2019/069246 A1 yoke wood is used as a support. However, the additional fixation with the help of nails makes it more difficult to dismantle the ceiling formwork system after the ceiling or ceiling section has been completed.
- a second type has a base plate with a central rod bushing.
- the bearing element is placed on a ceiling support via the base plate and fixed in position with the help of a rod stub that extends through the rod bushing.
- the rod stub is preferably arranged on a fork element which serves to hold a yoke and is connected to the ceiling support via the rod stub.
- the base plate of the bearing element thus comes to lie between the ceiling support and the fork element, so that here too the bearing element influences the height of the formwork panels.
- the present invention is concerned with the task of simplifying the assembly and/or disassembly of a safety device, in particular a collecting device, of a ceiling formwork system.
- a safety device in particular a collecting device
- the connection of the safety device to a component of the ceiling formwork system should enable safe load transfer via the ceiling system in the event of a load.
- connection device with the features of claim 1 and the ceiling formwork system with the features of claim 12 are proposed.
- Advantageous developments of the invention can be found in the respective subclaims.
- a method for producing a ceiling formwork with a safety device using a connection device according to the invention is specified. Disclosure of the invention
- connection device for connecting a safety device, for example a network, to a ceiling formwork system for producing a ceiling or a ceiling section in concrete construction, comprising a one-piece or multi-part spacer tube for bridging a distance between two parallel supports of the ceiling formwork system and at least one connection assembly Connecting the spacer tube to one of the supports.
- connection assembly comprises: a locking element that can be brought into locking engagement with an undercut groove of the carrier, a bolt, in particular a threaded bolt, which is formed in one piece with the locking element or is connected to the locking element in a rotationally fixed manner, and an actuating element which is located on the Bolt is placed, in particular screwed on, or connected to the bolt in a rotationally fixed manner, for example welded, riveted, pinned or pressed.
- the locking element which can be brought into engagement with an undercut groove in the carrier, enables a positive connection and thus a secure connection of the connection assembly to the carrier of the ceiling formwork system.
- the locking element is inserted into the groove in a first angular position with respect to the carrier, then rotated and brought into a second angular position in which it engages behind the undercut groove of the carrier. In the second angular position, the locking element is therefore secured against slipping out of the groove.
- the rotation of the locking element in order to bring it from the first angular position into the second angular position is preferably a rotation of 90° and/or takes place about a longitudinal axis A of the bolt, which runs perpendicular to a longitudinal axis B of the locking element.
- a clamping force can additionally be exerted on a section of the carrier delimiting the groove with the aid of the actuating element placed, in particular screwed, onto the bolt.
- the actuating element is used for this purpose preferably further screwed onto the bolt, so that the actuating element comes to rest directly or indirectly on said section of the carrier.
- the tightening torque determines the clamping force.
- connection assembly of the proposed connection device therefore not only enables a positive connection to a carrier, but also - via the clamp connection - a non-positive connection.
- the position of the connection assembly on the carrier is therefore secured in several ways.
- the multi-stage position securing prevents the safety device from collapsing under load or in the event of a load, as the load is safely transferred via the ceiling formwork system.
- connection assembly of the proposed connection device can also be easily assembled and dismantled again if necessary, since all connections are detachable. Assembly and disassembly can also be carried out largely without tools. An impact tool, such as a hammer, may be required.
- connection assembly of the proposed connection device is attached to the underside of the carrier in such a way that the locking element comes into engagement with the groove.
- the carrier can already assume its final installation position.
- the connection assembly is first connected to the carrier and then the carrier is lifted and/or pivoted into the final installation position.
- the spacer tube is plugged onto the bolt between the locking element and the actuating element. This means that when producing the clamp connection, the actuating element only comes into contact with the carrier indirectly via the spacer tube. If necessary, a washer can be arranged between the distance tube and the actuating element, via which the clamping force is evenly transmitted to the distance tube.
- a receptacle for the spacer tube is placed on the bolt between the locking element and the actuating element.
- the actuating element comes into contact with the carrier only indirectly via the receptacle.
- Washer can be arranged between the receptacle and the actuating element to ensure uniform power transmission.
- the receptacle has the advantage that first the connection assembly and then the distance tube can be mounted, with the distance tube only having to be inserted into the receptacle.
- the receptacle for the spacer tube to rest on the carrier is essentially plate-shaped and has at least one upstand which encompasses the carrier and/or engages in the groove of the carrier.
- the position of the receptacle relative to the carrier can be secured via the at least one upstand which surrounds the carrier and/or engages in the groove of the carrier. If at least two upstands are provided, an anti-twist device, i.e. securing the angular position of the receptacle in relation to the carrier, can also be effected.
- the receptacle has at least one pin that can be brought into engagement with a recess in the spacer tube. With the help of the pin, a positive connection can be achieved between the spacer tube and the receptacle, which secures the position of the spacer tube after it has been inserted into the receptacle.
- At least one hook- and/or eyelet-like connection element for connecting the safety device is preferably arranged on the distance tube or on the receptacle for the distance tube.
- the safety device which can in particular be a network
- the safety device only needs to be hooked into the hook- and/or eyelet-like connection element. The safety device can therefore be easily installed and dismantled again if necessary.
- the holder for the distance tube can protrude over the support on both sides and form support surfaces for two distance tubes. In this way, the number of connection modules can be reduced. This advantage comes into play in particular when the safety device extends over at least two fields of the ceiling formwork system that are separated by a support.
- the locking element of the connection assembly that can be brought into engagement with the undercut groove of the carrier can have a flat, wedge-shaped, spherical or round clamping surface.
- An even distribution of the clamping force can be achieved via a flat clamping surface.
- Via a wedge-shaped, spherical or round design Clamping surface can achieve a self-clamping effect when screwing the locking element into the locking position, since the locking element is simultaneously displaced or raised in the axial direction when screwed in.
- the flat, wedge-shaped, spherical or round clamping surface is preferably formed on the side of the locking element facing the actuating element.
- the locking element and the bolt are made in one piece, they can be formed by a grooved screw.
- the locking element is realized by a screw head of the grooved screw, which is not designed to be rotationally symmetrical, so that it has different widths, and - depending on the angular position of the grooved screw in relation to the groove of the carrier receiving the locking element - can be inserted into the groove or removable from the groove or in locking engagement with the groove.
- the groove screw can also be inserted or pushed into the groove laterally from an end face of the carrier.
- the screw head can have an excess dimension compared to the groove opening in any angular position and can therefore also be designed to be rotationally symmetrical.
- the locking element can be a pin running transversely to the bolt or a sliding block placed on the bolt.
- the locking element and the bolt are manufactured separately and subsequently connected to each other.
- a locking element with a round clamping surface can be easily produced.
- the clamping surface can be designed as desired.
- the bolt has an end section that accommodates the locking element, which projects beyond the locking element and can be brought into engagement with a recess in the carrier, which is formed in an inner wall delimiting the groove of the carrier.
- This measure creates an additional positive connection between the bolt and the carrier.
- This additional form fit can in particular prevent the connection assembly from shifting relative to the carrier in the longitudinal direction of the carrier.
- the undercut groove of the carrier that accommodates the locking element is preferably designed as a longitudinal groove that extends over at least part of the length of the carrier, so that without the additional positive fit, only the clamping fit of the connection assembly counteracts a displacement in the longitudinal direction of the carrier.
- the additional positive fit can therefore further increase the load capacity of the safety device.
- the recess receiving the end section of the bolt is preferably formed in an inner wall of the carrier that delimits the groove and is opposite the opening of the groove.
- the end section of the bolt can also be inserted into the recess.
- the length of the recess is limited in order to achieve the additional positive fit.
- the length can be dimensioned such that only one bolt of a connection assembly can be inserted, so that it is secured against displacement in the longitudinal direction of the carrier.
- the length can also be dimensioned such that the bolts of two adjacent connection assemblies can be inserted into the recess and secured against longitudinal displacement. Due to the limited length of the recess, the installation position of the connection module or the connection modules is also precisely specified.
- the actuating element of the connection assembly of the proposed connection device can in particular comprise a wing nut, a cam nut, a strike plate with a threaded hole and/or a lever.
- the actuating element is preferably screwed onto the bolt, which is designed as a threaded bolt for this purpose.
- the actuation of the actuating element therefore leads to a longitudinal displacement of the actuating element in the direction of the longitudinal axis of the bolt or threaded bolt. In this way, the clamping force required for the clamping connection between the connection assembly and the carrier can be achieved.
- the actuating element is therefore preferably provided with an internal thread that corresponds to the external thread of the threaded bolt.
- At least one lever or lever arm is preferably provided on the actuating element in order to be able to apply a larger torque or tightening torque via the lever effect.
- the lever or lever arm also makes it easier to loosen the clamp seat.
- the lever arm can be hit with a striking tool, in particular a hammer.
- the actuating element can be connected to the bolt in a rotationally fixed manner, for example welded, riveted, pinned or pressed, so that the bolt can be designed without a thread.
- the clamping effect is then achieved by rotating the locking element, which has a non-flat clamping surface for this purpose.
- the rotation of the locking element is achieved via an actuation of the actuation element, in particular a rotation of the actuation element.
- the actuating element can in particular be designed as a lever connected to the bolt in a rotationally fixed manner.
- the actuating element is operatively connected to a locking device, which comprises a preferably spring-loaded locking element which can be brought into engagement with a recess.
- a specific end position of the actuating element can be specified via the locking device. Furthermore, the actuating element can be secured in the predetermined end position with the help of the locking device. If the locking element is spring-loaded, it is preferably pressed into the recess by means of spring force when the actuating element has assumed a certain angular position. To release the locking device, the locking element simply needs to be pulled out of the recess against the spring force. This can easily be done manually and without tools.
- the operative connection between the actuating element and the locking device can in particular be such that the locking device is pivotally mounted about the longitudinal axis A of the bolt via the actuating element.
- the locking device is activated at the same time.
- the additionally proposed ceiling formwork system for producing a ceiling or a ceiling section in concrete construction comprises: at least one support with an underside and an undercut groove formed on the underside and at least one connection device according to the invention for connecting a safety device, for example a network.
- connection device When assembling the ceiling formwork system, the connection device is connected to the support via its connection assembly. Since the undercut groove of the carrier intended for connection is provided on its underside, the connection assembly can simply be attached from below when the carrier is already installed. However, the connection assembly is preferably first connected to the carrier and then the carrier is brought into its final installation position, for example by pivoting in. This makes assembly of the connection device easier.
- the safety device can also be installed before swinging in. Workers who then insert the formwork panels of the ceiling formwork system from above are protected from falling because there is no longer a free edge to fall. At the same time are Workers on the level below are protected from falling objects by the safety device.
- connection device After the ceiling formwork system has been installed, the connection device according to the invention is therefore connected to at least one support of the system, the connection being established via a connection assembly of the connection device, in particular via a locking element of the connection assembly that engages in the groove of the support.
- the locking element creates a positive connection between the connection assembly and the carrier, which prevents the locking element from falling out of the groove and thus prevents the connection assembly or the connection device from falling down.
- actuating the actuating element a clamping fit can be achieved at the same time, which in particular prevents displacement of the connection assembly or the connection device in the longitudinal direction of the carrier.
- a further positive connection can be effected between an end section of the bolt received in the carrier and a recess in the carrier, which is advantageously formed in an inner wall of the carrier that delimits the groove and is opposite the groove opening.
- the end portion of the bolt projects beyond the locking element, so that when the locking element is inserted into the groove, the end portion of the threaded bolt is simultaneously inserted into the recess of the carrier.
- the recess for receiving the bolt has a limited length compared to the groove. The length is preferably selected so that only one bolt or only the bolts of two adjacent connection assemblies can be used.
- connection device is only held at one end via the connection assembly connected to the carrier.
- the other end is therefore preferably connected to another carrier via a further connection assembly.
- the connection device is then preferably arranged between two parallel supports and is connected to each of them via a connection assembly.
- the spacer tube between the two connection assemblies is tailored to the distance between the supports.
- the spacer tube therefore also has a stiffening effect.
- the distance tube is always correctly aligned due to the distance between the two supports. If the spacer tube is designed in several parts, the parts can preferably be pushed together and pulled apart telescopically, so that - if the distance between the carriers varies - the length of the distance tube can be adjusted to the respective distance between the carriers.
- connection of a security device usually requires more than just one connection device.
- At least two connection devices are therefore preferably arranged at a distance from one another between parallel supports of the ceiling formwork system.
- the safety device can then be hung between these.
- each connection device preferably has at least two hook- and/or eyelet-like connection elements. These are each arranged in an end region of the connection device, for example on the distance tube or on a receptacle for the distance tube.
- the connecting devices arranged between parallel supports form at least one rectangular field together with the supports. If more than two connection devices are mounted at a distance from each other between parallel beams, several rectangular fields lie next to each other.
- the safety device can extend over just one field or over several fields, provided that it is long enough.
- Two fields can be separated from each other by one beam, two beams or a “split beam”.
- connection assembly When separated by a carrier with a groove on the bottom, a connection assembly can be mounted on this carrier, which is connected or connectable to a spacer tube of a connecting device on both sides of the carrier.
- two connection assemblies can be mounted one behind the other, i.e. offset from one another, on the carrier, each of which is connected or can be connected to a spacer tube.
- connection assembly of a connection device can be mounted on each support so that the spacer tubes can be arranged without being offset from one another.
- a separate second carrier is not required, so only one carrier is required. However, this can be divided lengthwise into two equal halves so that each half delimits one field. The halves can be assembled separately from each other so that assembly only takes place when the respective field is assembled.
- Each half of the “split carrier” can also be connected to a connection assembly of a connection device according to the invention.
- the “divided carrier” has two parallel beams on its underside undercut grooves so that a locking element of a connection assembly can be inserted into each groove.
- the split carrier is slightly wider than the carrier with just one groove.
- connection device Connecting the connection device to the two carriers, preferably in the area of a second end of the respective carrier,
- connection device can be mounted from below, that is, from a safe level, so that there is no risk of falling when installing the connection device.
- connection device After assembly, the safety device protects the workers. People who are on the slab formwork are protected against falling. People underneath are protected from falling objects.
- FIG. 1 is a perspective view of a first preferred embodiment of a connection device according to the invention for a safety device
- Fig. 2 is a perspective view of a connection assembly
- Connection device of Figure 1, 3a-3c each show a sectional view of the connection assembly
- connection assembly of a second preferred embodiment of a connection device according to the invention
- 5a-5c each show a sectional view of the connection assembly of FIG. 4 during assembly on a support of a ceiling formwork system
- FIG. 6 is a sectional view of the assembled connection assembly of FIG. 4 including the spacer tube,
- FIG. 7 is a sectional view of the assembled connection assembly of FIG. 4 including two spacer tubes,
- connection assembly 8 is a perspective view of a connection assembly of a third preferred embodiment of a connection device according to the invention.
- 9a-9c each show a sectional view of the connection assembly of FIG. 8 during assembly on a support of a ceiling formwork system
- connection assembly 10 is a perspective view of a connection assembly of a fourth preferred embodiment of a connection device according to the invention.
- 11a-11c each show a sectional view of the connection assembly of FIG. 8 during assembly on a support of a ceiling formwork system
- FIG. 12 shows a perspective view of a fifth preferred embodiment of a connection device according to the invention for a safety device
- FIG. 13 is a side view of the connection device of FIG. 12,
- connection device 14 shows a further side view of the connection device of FIG. 12, but rotated by 90°
- connection device 15 shows a longitudinal section through the connection device of FIG. 12, 16 is a perspective view of a sixth preferred embodiment of a connection device according to the invention for a security device,
- connection assembly 17 is a perspective view of a connection assembly of the connection device of FIG. 16,
- connection assembly 18 is a top view from below of the connection assembly of the connection device of FIG. 16 during assembly
- connection assembly 19 is a top view from below of the connection assembly of the connection device of FIG. 16 after assembly
- connection assembly of the connection device of FIG. 16 is a perspective view of the connection assembly of the connection device of FIG. 16 during assembly
- connection assembly of the connection device of FIG. 16 after assembly is a perspective view of the connection assembly of the connection device of FIG. 16 after assembly
- connection assembly 22 shows a longitudinal section through the connection assembly of the connection device of FIG. 16 after assembly
- FIG. 23 is a plan view of the underside of a support of a ceiling formwork system with two mounted connection assemblies of two connection devices according to FIG. 16,
- FIG. 24 is a perspective view of a support of a ceiling formwork system
- FIG. 25 shows a cross section through the carrier of FIG. 24,
- 26 shows a perspective view of a ceiling formwork system with a safety device during the assembly of a connection device according to the invention
- 27 is a perspective view of the ceiling formwork system of FIG. 26 during a further assembly step
- FIG. 28 is a perspective view of the ceiling formwork system of FIG. 26 after the safety device has been connected
- Fig. 29 shows a cross section through a divided support for a ceiling formwork system
- Fig. 30 is a perspective view of a ceiling formwork system with the support of Figure 29.
- Figures 1 to 3 show a first preferred embodiment of a connection device 100 according to the invention.
- This comprises a spacer tube 110 and two connection assemblies 120, each of which is connected to one end of the distance tube 110.
- the distance tube 110 has a rectangular cross section and two hook- or eye-like connection elements 116 for connecting a safety device 200.
- a connection assembly 120 of the connection device 100 according to FIG. 1 has a locking element 121 which is connected in a rotationally fixed manner to a bolt 122 in the form of a threaded bolt. This is guided through a through hole in the spacer tube 110, so that the locking element 121 comes to rest above the distance tube 110, with an end section 125 of the bolt 122 still projecting beyond the locking element 121.
- an actuating element 123 is screwed onto the bolt 122, with a washer 128 being inserted between the actuating element 123 and the spacer tube 110.
- the insertion of the locking element 121 into the groove 311 requires a certain angular position of the locking element 121, since the locking element 121 in the present case is designed as a sliding block that can be brought into locking engagement with the groove 311 and has a length that is oversized compared to the opening of the groove 311 .
- the width of the sliding block is chosen to be smaller than the opening of the groove 311, so that the locking element 121 can be inserted into the groove 311 when the longitudinal axis B of the locking element 121 is aligned parallel to the carrier 310 or to the groove 311.
- the locking element 121 After inserting the locking element 121 into the groove 311, the locking element 121 is rotated through 90° so that the longitudinal axis B runs transversely to the longitudinal direction of the carrier 310 (see Figure 3b). The locking element 121 is brought into locking engagement with the groove 311 in this way. The actuating element 123 is then further screwed on or tightened so that the spacer tube 110 comes into contact with the carrier 310 (see Figure 3c). By further tightening, the carrier 310 can be clamped between the locking element 121 and the spacer tube 110.
- the locking element 121 has a clamping surface 124, which in the present case is designed to be flat.
- the actuating element 123 is designed as a striking plate with a threaded hole.
- a striking tool can be attached to the lever arms of the striking plate in order to achieve greater tightening force via the leverage effect.
- the clamp fit can be loosened using an impact tool.
- FIGS. 4 to 7 A second preferred embodiment of a connection device 100 according to the invention can be seen from FIGS. 4 to 7.
- the spacer tube 110 is not connected directly to a connection assembly 120, but rather indirectly via a receptacle 111.
- the receptacle 111 is essentially plate-shaped and has support surfaces 117 for placing at least one spacer tube 110.
- a positive connection can be established between the spacer tube 110 and the receptacle 111 via recesses 119, which prevents that the placed spacer tube 110 falls down.
- the receptacle 111 has lateral upstands 112, 113, which enable the receptacle 111 to form a positive connection with the carrier 310.
- the bolt 122 holding the locking element 121 is guided centrally through the receptacle 111.
- the actuating element 123 is screwed onto the bolt 122, with a washer 128 also being inserted between the receptacle 111 and the actuating element 123.
- the locking element 121 and the receptacle 111 are first aligned with one another in the manner shown in FIG. 4 and then attached to the carrier 310 from below, so that the longitudinal axis B of the locking element 121 is parallel to the carrier 310 or to Groove 311 is aligned (see Figure 5a).
- the upstands 113 of the receptacle 111 are simultaneously brought into engagement with the groove 311.
- the upstands 112 come to rest on both sides of the carrier 310, so that the receptacle 111 surrounds the carrier 310 on both sides. In this position, the receptacle 111 is secured against rotation by the upstands 112, 113.
- the locking element 121 is then rotated through 90° so that it comes into locking engagement with the groove 311 (see Figure 5b).
- an additional clamping force is applied, so that the carrier 310 is clamped between the locking element 121 and the receptacle 111 (see Figure 5c).
- the spacer tube 110 can be inserted into the receptacle 111.
- the spacer tube 110 has a correspondingly shaped end section which can be brought into engagement with the recesses 119 of the receptacle 111 (see Figure 6). Since the receptacle 111 surrounds the carrier 310 on both sides and forms a further support surface 117 for another spacer tube 110, two spacer tubes 110 can also be inserted into the receptacle 111 - as shown by way of example in FIG.
- FIG. 8 and 9a to 9c A third preferred embodiment of a connection device 100 according to the invention is shown in Figures 8 and 9a to 9c.
- This has a receptacle 111 analogous to the previously described embodiment, so that it is also suitable for receiving two spacer tubes 110.
- the locking element 121 and the bolt 122 are designed in one piece as a grooved screw.
- a wing nut is screwed onto the grooved screw as an actuating element 123.
- the screw head of the grooved screw, which forms the locking element 121 is inserted or pushed into the groove 311 of the carrier 310 from the side. This is because the screw head has an excess dimension compared to the opening of the groove 311 in every angular position.
- the spacer tube 110 can be inserted into the receptacle 111 (see Figure 9c). If necessary, a second spacer tube 110 can also be inserted analogously to FIG.
- connection assembly 120 has a grooved screw which forms the locking element 121 and the bolt 122, as well as a receptacle 111 for receiving at least one spacer tube 110.
- the receptacle 111 is in turn designed in the shape of a plate and has an upstand 113 for insertion into the Groove 311 of the carrier 310 and upstands 112, which - after assembly - surround the carrier 310 on both sides, so that this prevents rotation.
- the receptacle 111 has two pins 115 for a positive connection to two spacer tubes 110.
- Corresponding recesses 114 are formed in the spacer tubes 110 (see Figure 11c).
- the hook- and/or eye-like connection element 116 for connecting the safety device 200 is not arranged on the distance tube 110, but on the receptacle 111. Since two spacer tubes 110 can be inserted into the support 111, two connecting elements 116 are also provided.
- the locking element 121 or the screw head of the grooved screw is inserted or pushed into the groove 311 of the carrier 310 from the side (see Figure 11a).
- the receptacle 111 is then pushed from below onto the carrier 310 so that the upstand 113 engages in the groove 311 and the upstands 112 engage the carrier 310 on both sides embrace.
- the actuating element 123 is further screwed onto the bolt 122 or the grooved screw.
- a clamping force can be caused via the actuating element 123, so that the carrier 310 is clamped between the locking element 121 or the screw head of the grooved screw and the receptacle 111 (see Figure 11 b).
- connection assembly 120 After mounting the connection assembly 120, a spacer tube 110 can be inserted on both sides of the carrier 310 so that the pins 115 engage in the recess 114 of the respective spacer tube 110.
- Figure 11 c shows an example of the connection assembly 120 with an inserted spacer tube 110.
- FIGS. 12 to 15 A fifth preferred embodiment of a connection device 100 according to the invention can be seen in FIGS. 12 to 15.
- the distance tube 110 - analogous to the embodiment of Figures 1 to 3 - is connected directly to the connection assemblies 120.
- the bolts 122 of the connection assemblies 120 are each guided through a through hole in the spacer tube 110.
- the spacer tube 110 also has two hook- and/or eye-like connection elements 116 for connecting the safety device 200.
- connection assemblies 120 each have a bolt 122 and a locking element 121 in the form of a pin running transversely to the bolt 122, with end sections 125 of the bolts 122 each projecting beyond the locking element 121.
- An actuating element 123 in the form of a lever is placed at the other end of the bolts 122 and is connected to the respective bolt 122 in a rotationally fixed manner. By actuating the actuating element 123, the pin-shaped locking element 121 can therefore be rotated so that it can be inserted into the groove 311 of the carrier 310 in a first angular position and in locking engagement with the in a second angular position, namely offset by 90 ° to the first angular position Groove 311 can be brought.
- the rotatability of the bolt 122 and thus of the locking element 121 and the actuating element 123 can be limited via a pin-shaped stop element 129 arranged on the bolt 122, which cooperates with a stop 130 which is formed by a sleeve 131 surrounding the bolt 122. Reaching the stop 130 also indicates that the locking element 121 is in locking engagement with the groove 311.
- a round clamping surface 124 of the pin-shaped locking element 121 is screwed into the groove 311 in such a way that the locking element 121, the bolt 122 and the actuating element 123 are slightly raised. In this way, a clamping force acting on the carrier 310 is achieved.
- the actuating element 123 is also operatively connected to a locking device 126 arranged eccentrically with respect to the longitudinal axis A of the bolt 122.
- connection device 100 By actuating the actuating element 123 or the lever, the locking device 126 is pivoted so that a spring-loaded locking element 127 of the locking device 126 can be brought into engagement with a recess 118 of the spacer tube 110.
- This mechanism is described below in connection with a sixth preferred embodiment of a connection device 100 according to the invention, which is shown in FIGS. 16 to 23.
- Figure 16 shows the entire connection device 100, which has a multi-part spacer tube 110 and two connection assemblies 120.
- the multi-part design of the spacer tube 110 has the advantage that the length of the connecting device 100 is adjustable.
- the connection assemblies 120 are each firmly connected to a part of the spacer tube 110.
- connection assembly 120 shows a connection assembly 120 of the connection device 100 of FIG.
- the actuating element 123 is designed as a lever which is connected to the bolt 122 in a rotationally fixed manner.
- the actuating element 123 is also operatively connected to a locking device 126 arranged eccentrically with respect to the longitudinal axis A of the bolt 122.
- the connection assembly 120 has a bent sheet metal 132, which forms a stop 133 for the actuating element 123 (see also Figures 18 and 19).
- the sheet metal 132 thus replaces the sleeve 132 of the previously described embodiment.
- connection assembly 120 When assembling the connection assembly 120, it is attached to the carrier 310 from below with the end section 125 of the bolt 122 and the locking element 121 in advance, so that the end section 125 engages with the recess 312 in the inner wall 313 of the carrier 310 and the locking element 121 come into engagement with the groove 311.
- the locking element 121 assumes an angular position in which its longitudinal axis B is aligned parallel to the carrier 310 or to the groove 311 (see Figure 20).
- the actuating element 123 By actuating the actuating element 123, the locking element 121 is then brought into locking engagement with the groove 311 by pivoting the actuating element 123 through 90 ° in the direction of the sheet metal 132 (see Figure 21).
- the actuating element 123 comes into contact with the stop 133 of the sheet metal 132 (see also Figures 18 and 19). With the When the actuating element 123 is actuated, the locking device 126 is simultaneously pivoted, so that in the end position of the actuating element 123 at the stop 133, the spring-loaded locking element 127 comes into engagement with the recess 118 formed in the spacer tube 110 (see Figure 22 and Figures 18 and 19). The locking device 126 thus prevents the actuating element 123 or the lever from being actuated and the locking element 121 from being moved into an angular position in which it falls out of the groove 311. The locking device 126 therefore serves to secure the position of the connection module 120.
- connection device 100 or the connection assembly 120 When dismantling the connection device 100 or the connection assembly 120, only the spring-loaded locking element 127 has to be pulled out of the recess 118 against the spring force and the lever has to be pivoted back. The locking element 121 then assumes an angular position in which it can easily be removed from the groove 311 of the carrier 310.
- two connecting devices 100 can be mounted on a carrier 310 offset from one another in the longitudinal direction of the carrier 310.
- the sheets 132 have sloping edges 134. The small offset ensures that the end sections 125 of the bolts 122 each come into engagement with the recess 312 of the inner wall 313 of the carrier 310. Because the length of the recess 312 is limited (see Figures 24 and 25).
- connection device 100 according to the invention described with reference to FIGS. 1 to 25 are preferably assembled or erected together with a ceiling formwork system 300. A possible process is shown in Figures 26 to 28.
- the ceiling formwork system 300 shown includes a support structure 320 made up of several ceiling supports 321, which are set up at a distance from one another, so that four ceiling supports 321 each define a ceiling field.
- Carriers 310 are placed on the support structure 320 so that they run parallel and laterally limit the ceiling field.
- Formwork panels 330 are already placed on the supports 310 of a first ceiling field, so that this ceiling field is closed.
- the supports 310 of the next ceiling field are already hooked into the support structure 320 at one end, so that they simply hang down at the other end.
- a connection device 100 according to the invention is used for one Safety device 200 mounted in the form of a net.
- connection assemblies 120 of the connection device 100 are each connected to a carrier 310, with a locking element 121 of the respective connection assembly 120 being brought into locking engagement with an undercut groove 311 of the respective carrier 310.
- a clamping connection between the connection assembly 120 and the carrier 310 is achieved by actuating an actuating element 123. Since the supports 310 of the ceiling field to be constructed are only hooked into the support structure 320 at one end, the connection device 100 can be easily installed from below (see Figure 26). After the connection device 100 has been installed, it can be pivoted together with the supports 310 into the final installation position (see Figure 27).
- the safety device 200 can be connected before pivoting or after. The latter is recommended if the safety device is a net that is stretched across several ceiling panels (see Figure 28). Alternatively, a separate net can be used for each ceiling panel.
- a carrier 310 with two grooves 311 can also be used.
- a carrier 310 also called a “split carrier,” is shown as an example in FIG. 29.
- the double groove offers connection options for two connection assemblies 120, which can be arranged in such a way that the spacer tubes 110 connected to the connection assemblies 120 come to lie next to one another and not - as shown in Figure 23 - offset from one another.
- the carrier 310 can be divided lengthwise into two halves, which can be mounted separately from one another.
- each field can be formed in one plane, both next to one another and one behind the other.
- the fields are separated from each other by supports 310, which are designed here as “split supports”.
- Each half of a divided carrier 310 has an undercut groove 311 on the underside for connection to a connection assembly 120 of a connection device 100. After the two halves have been pivoted into their respective end positions, the spacer tubes 110 of the two connecting devices 100 come to lie next to one another without being offset.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022114961.7A DE102022114961A1 (de) | 2022-06-14 | 2022-06-14 | Anschlussvorrichtung, Deckenschalungssystem mit Anschlussvorrichtung sowie Verfahren zur Herstellung einer Deckenschalung |
| PCT/EP2023/065932 WO2023242253A1 (de) | 2022-06-14 | 2023-06-14 | Anschlussvorrichtung, deckenschalungssystem mit anschlussvorrichtung sowie verfahren zur herstellung einer deckenschalung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4540477A1 true EP4540477A1 (de) | 2025-04-23 |
Family
ID=86895917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23732564.2A Withdrawn EP4540477A1 (de) | 2022-06-14 | 2023-06-14 | Anschlussvorrichtung, deckenschalungssystem mit anschlussvorrichtung sowie verfahren zur herstellung einer deckenschalung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4540477A1 (de) |
| DE (1) | DE102022114961A1 (de) |
| WO (1) | WO2023242253A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3330583A (en) * | 1964-05-14 | 1967-07-11 | Bell Telephone Labor Inc | Safety latch |
| US4430019A (en) * | 1981-02-04 | 1984-02-07 | Harsco Corporation | Connector assembly |
| DE8230619U1 (de) | 1982-11-02 | 1984-05-10 | Streif AG, 5461 Vettelschoß | Traegerprofil |
| DE4237516A1 (de) | 1992-11-06 | 1994-05-11 | Peri Gmbh | Deckenschalungsträger |
| ES2261103B1 (es) * | 2006-06-21 | 2007-09-16 | Sistemas Tecnicos De Encofrados, S.A. | "dispositivo de acoplamiento para puntales de obras". |
| DE102016205957A1 (de) | 2016-04-08 | 2017-10-12 | Peri Gmbh | Seitenschutz, Deckenschalungssystem mit zumindest einem derartigen Seitenschutz und Verfahren zum Errichten eines solchen Seitenschutzes |
| DE102017123014A1 (de) | 2017-10-04 | 2019-04-04 | Zaugg Construction GmbH | Hammock Safety System |
-
2022
- 2022-06-14 DE DE102022114961.7A patent/DE102022114961A1/de active Pending
-
2023
- 2023-06-14 WO PCT/EP2023/065932 patent/WO2023242253A1/de not_active Ceased
- 2023-06-14 EP EP23732564.2A patent/EP4540477A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023242253A1 (de) | 2023-12-21 |
| DE102022114961A1 (de) | 2023-12-14 |
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