Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
  • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
  • E04G17/045—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by wedge-shaped elements
• • 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
  • E04G9/00—Forming or shuttering elements for general use
  • E04G9/02—Forming boards or similar elements
  • E04G2009/023—Forming boards or similar elements with edge protection
  • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/32—Articulated members
  • Y10T403/32254—Lockable at fixed position
  • Y10T403/32262—At selected angle
  • Y10T403/32319—At selected angle including pivot stud
  • Y10T403/32368—At selected angle including pivot stud including radial interengaging tongue and slot or serrations
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/32—Articulated members
  • Y10T403/32254—Lockable at fixed position
  • Y10T403/32262—At selected angle
  • Y10T403/32319—At selected angle including pivot stud
  • Y10T403/32401—Locked by nesting parts
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/32—Articulated members
  • Y10T403/32254—Lockable at fixed position
  • Y10T403/32426—Plural distinct positions
  • Y10T403/32434—Unidirectional movement, e.g., ratchet, etc.
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/59—Manually releaseable latch type
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/59—Manually releaseable latch type
  • Y10T403/591—Manually releaseable latch type having operating mechanism
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/59—Manually releaseable latch type
  • Y10T403/598—Transversely sliding pin

Definitions

• the invention relates to a turnbuckle device for clamping together two concrete formwork elements having a frame with longitudinal struts and transverse struts along a joint spanned by the turnbuckle device formed with claws.
• turnbuckle devices are known for example from the publications DE 29 08 339 C2 and DE 35 46 832 C2.
• the turnbuckle device known from DE 35 46 832 C2 for clamping together two concrete formwork elements having a frame and a formlining attached to it, along a joint spanned by the turnbuckle
• the turnbuckle device has two, in principle L-shaped, claws arranged side by side.
• One leg of the claws engages behind a contact surface of each formwork element.
• the other legs of the claws run side by side on the surface of the frame legs facing away from the formlining.
• a clamping device acts on these legs.
• the surfaces of the longitudinal struts facing away from the formwork skin lie against this leg of the one claw.
• the other claw is pivotable about an imaginary axis, which runs parallel to the joint between the two formwork elements to be tensioned against each other and to the formwork level and is displaceable at right angles to the formwork plane.
• a wedge connection for formwork panels for concrete walls has become known from DE 29 08 339 C2, in which the wedge slide has an essentially U-shaped cross section, the legs of which bear inwardly projecting projections, which have parts protruding laterally on the cross strut Form wedge connection.
• the cross strut is lower by the measure of the thickness of the yoke part of the wedge slide than the longitudinal struts.
• a support is provided, the height of which corresponds to this dimension, so that the wedge slide can be held in the position in which it does not protrude beyond the surface of the frame.
• the object of the invention is to provide a turnbuckle device which can be attached on the one hand at any points of cross struts and / or longitudinal struts of a concrete formwork element and on the other hand at the attached point Relocation of a concrete formwork element can be left and can compensate for a height offset between two concrete formwork elements in use.
• the turnbuckle device on a frame section of a concrete formwork element has one or more holding means that hold the turnbuckle device captively within the concrete formwork element, preferably also in a position in which the turnbuckle device is located within an outer edge the concrete formwork element is positioned, that at least one locking means is provided, which restricts a second claw of the turnbuckle device, which can be pivoted relative to a fixed first claw, in the pivoting range, such that the pivotable second claw prevents the turnbuckle device from being released from the concrete formwork element, and possibly also ver -
• the mobility of the turnbuckle device on the frame section is restricted or prevented, and that the turnbuckle device can be removed from the concrete shuttering element when the locking means is released or removed, or in a tensioning device hurry is bringable.
• the turnbuckle device according to the invention it is possible on the one hand to clamp concrete formwork elements together in the usual way and on the other hand the turnbuckle device can be left on one of the concrete formwork elements if the concrete formwork elements are to be implemented on the construction site.
• the device according to the invention is pushed into an area and fixed there, in which it no longer protrudes over the edge of a concrete formwork element. No additional means are necessary for this displacement and fixing of the turnbuckle device according to the invention. It only has to be the one known to the skilled worker Clamping connection can be solved with known means. If the tension connection is released, part of the turnbuckle device according to the invention can be pivoted and then shifted until it is within a concrete formwork element.
• the pivotable part of the turnbuckle device according to the invention can be pivoted back into a closed position in which a stationary part of the turnbuckle device according to the invention is aligned along a transverse strut or a longitudinal strut in accordance with the pivotable part.
• the pivoting part can be blocked with the clamping device, such as a wedge.
• Holding means hold the stationary part of the turnbuckle device according to the invention on the concrete formwork element, so that accidental falling or loosening of the turnbuckle device according to the invention when moving a concrete formwork element, for example with a crane, is excluded.
• the turnbuckle device according to the invention With the turnbuckle device according to the invention, the construction of large formwork areas can be shortened and simplified in time.
• the turnbuckle device according to the invention can be checked in the unlocked state and fastened to the concrete formwork element by means of holding means and can be moved without removing it from the concrete formwork element, and with the other hand the tensioning means can be activated or released if necessary.
• the weight of the turnbuckle device according to the invention does not have to be kept by the skilled worker because it is guided on the cross strut or the longitudinal strut and rests displaceably. The handling of the turnbuckle device according to the invention and the work involved in aligning, releasing or tensioning the turnbuckle device are thus easier.
• recesses are provided along the longitudinal struts or cross struts, which can be gripped behind by the holding means, the recesses being formed in the surface and / or the side surfaces of the longitudinal struts and / or transverse struts.
• the turnbuckle device according to the invention can be attached to the concrete shell element with simple captive means.
• the recesses can extend over the entire length of the frame leg or the cross struts.
• the turnbuckle devices according to the invention can be moved over a wide area on the concrete formwork element without having to give up a secure mounting for the turnbuckle device on the concrete formwork element.
• the turnbuckle device can be securely fastened in connection with holding means, such as bulges or bolts, to the concrete shell element by means of breakthrough holes or a simple profiling or groove formation on the longitudinal struts or cross struts.
• a special holder with the simplest means, which securely holds and guides the turnbuckle device according to the invention, is given when the holding means are bulges which protrude locally from the inner surface of the fixed claws and which engage in laterally formed recesses in the longitudinal strut or the cross strut.
• Such bulges can be produced without additional material expenditure by being pressed out of the claw material itself or pin-like projections are attached at suitable locations on the inner surfaces of the claws. If the opposing bulges, pins, etc.
• the turnbuckle device according to the invention in the unlocked state, a distance, ie a free To achieve length between the bulges, which is greater than the width of a longitudinal strut or a cross strut in the pivoted state of the turnbuckle device compared to a cross strut or a longitudinal strut and thus no longer reach behind in the pivoted state of the longitudinal strut or the cross strut.
• the turnbuckle device according to the invention can be removed from the cross strut or from the longitudinal strut.
• the turnbuckle device is placed on the longitudinal strut or the cross strut and the turnbuckle device engages behind the cross strut or the longitudinal strut with its bulges, the bulges are arranged such that they are guided with play in the recesses in the longitudinal strut or the cross strut. This facilitates the displacement of the turnbuckle device along a longitudinal strut or a cross strut.
• the bulges can be formed opposite one another, and the longitudinal struts or transverse struts each have recesses in the end region that are limited in length in the edge region in the surface of the longitudinal struts and / or transverse struts, and the size (length, width, height ) of the recesses are matched to the position of the bulges such that the turnbuckle device is held inseparably within a concrete formwork element when the second claw is pivoted in.
• the turnbuckle device must be threaded into a recess, such as a groove, a longitudinal strut or a cross strut, by opening the turnbuckle device so far that the pivoting claws do not prevent the threading of the turnbuckle device.
• a recess such as a groove, a longitudinal strut or a cross strut
• the holding means is formed by a tab which protrudes from a rod-shaped body which holds the turnbuckle device and guides it displaceably on the concrete formwork element.
• the turnbuckle device is releasably held on the concrete formwork element by means of a fastening means, such as bolts, in that the bolt is inserted through a first opening in the tab and at the same time through a second opening in the longitudinal strut or in the cross strut.
• the turnbuckle device can be moved along the rod-shaped body in the unlocked state and the pivotability of a part of the turnbuckle device according to the invention relative to the stationary part of the turnbuckle device is not hindered by the rod-shaped body.
• the bolt can also be molded onto the tab. The bolt can engage in openings on the concrete formwork element and can also be secured if necessary.
• the turnbuckle device according to the invention can also be pivoted if necessary via the engagement of the bolt on the concrete formwork element.
• the bolt forms the axis of rotation.
• the pivoting range of the movable claw can be kept smaller and the handling and safety advantages which can be achieved with the turnbuckle device according to the invention can nevertheless be achieved without restriction.
• the refrigerant is formed by a swivel and / or rocker arm which is provided on fixed claws or in the area of the fixed claws, the swivel and / or rocker arm surfaces in the state connected to a longitudinal or transverse strut the longitudinal or cross strut reaches behind.
• Such holding means are to be attached to any recesses in a longitudinal or transverse strut.
• the pivot and / or rocker arms can be attached to a claw itself or directly behind a stationary claw.
• the swivel and / or rocker arms can be fixed in position either by spring elements or bolts, so that they hold a turnbuckle device according to the invention securely on a concrete formwork element.
• a locking of the swivel and / or rocker arm must then be released or a spring-loaded swivel or rocker arm must be spring-loaded if the connection with a longitudinal or cross strut is to be released.
• Such a holding means provides a simple and quickly manageable connection technique for a turnbuckle which is to be releasably attached to a concrete formwork element.
• the locking means is a wedge which, in the direction of the acting gravity on horizontally oriented struts, blocks the pivotable claw in the pivoted-in state or tensions the turnbuckle device for clamping two concrete shell elements against one another. If the wedge is moved against gravity, the second claw can be pivoted into an open position and into a displacement position. In the open position, the swiveling claw can be pushed towards the stationary claw, to the extent that both Claws that can be fixed and swiveled within a concrete formwork element.
• the claws can be fixed to one another via the locking means, such as a wedge, and the turnbuckle device is prevented from rotating relative to the cross strut or the longitudinal strut or from shifting into a position in which the turnbuckle device could protrude over the edge of a concrete formwork element ,
• the locking means such as a wedge
• the locking means such as a wedge, must be displaced in such a way that it has the same function as in the preceding description.
• Figure 1 shows a turnbuckle device according to the invention in the open position without concrete formwork element.
• Figure 2 shows a turnbuckle device according to the invention in the state clamped on two concrete formwork elements, in which claw profiles engage on the frame of the concrete shell elements and are clamped via a clamping means such as a wedge;
• 3 shows a turnbuckle device according to the invention in the open state, in which a fixed claw still engages behind a frame and a pivotable claw is in an open position, which lies outside a frame, a cross strut and a longitudinal strut;
• FIG. 4 shows a turnbuckle device according to the invention in the pivoted-in state, as it is fixedly mounted within a concrete formwork element, without projecting beyond an outer edge of the concrete formwork element;
• Fig. 5 shows an arrangement of bulges on stationary
• FIG. 6 shows a turnbuckle device according to the invention in the pivoted state to form a cross strut, the bulges no longer engaging behind the cross strut;
• FIG. 9 shows a further mounting option (holding means) of a turnbuckle device according to the invention on a cross strut; 10 shows an embodiment of a pivotable claw, as it is formed on a turnbuckle device according to the invention;
• FIG. 11 shows an embodiment of fixed claws of a turnbuckle device according to the invention.
• Fig. 1 shows a turnbuckle device 10, which is composed of a first lock part 11 and a second lock part 12.
• the first lock part 11 is essentially formed from a rectangular profile tube 13, at one end of which fixed first claws 14, 15 are laterally attached to the rectangular profile tube 13.
• Bulges 18 are formed on inner surfaces 16, 17 of the first claws 14, 15 and protrude beyond the inner surfaces 16, 17.
• Fig. 1 only one of the bulges 18 is visible, the other bulge 18 on the inner surface 17 of the fixed first claw 15 is covered by the rectangular profile tube 13.
• the bulges 18 are spaced from the underside of the rectangular profile tube 13.
• guide rails 19, 20 are formed laterally over the entire length of the rectangular profile tube, which are engaged behind by projections 21 of the second lock part 12 such that in the position shown of the second lock part 12, the second lock part 12 relative to the first lock part 11 can be slid and pivoted along the rectangular profile tube 13.
• a row of teeth 22 is formed which, when the second lock part 12 is pivoted in the direction of the arrow 23, interacts with at least one tooth of a holding means which projects from the inside of the second lock part 12.
• the at least one tooth protrudes in the direction of the row of teeth 22.
• the second lock part 12 has pivotable second claws 24, 25, which are spaced apart and which laterally overlap the rectangular profile tube 13 in the pivoted-in state.
• the pivotable second claws 24, 25 end in a leg region 26, which not only connects the two second claws 24, 25 to each other, but also provides a through opening 27 for a wedge 28, which is formed on one side with a toothing that is with the Row of teeth 22 can interact.
• the wedge 28 is shown in a first end position. In this first end position, the second lock part 12 can be pivoted in the arrow directions 29. In the open state of the turnbuckle device 10, as shown in FIG. 1, the second lock part 12 can also be moved along the rectangular profile tube 13 if necessary.
• the wedge 28 can be moved in the direction of the arrow 30 in the direction of a second end position, and the Pivotal movement of the second lock part 12 relative to the first lock part 11 is blocked.
• FIG. 2 shows the turnbuckle device 10 from FIG. 1 in the assembled state on frames 31, 32 with longitudinal struts 33 and transverse struts 34 having concrete formwork elements 35, 36.
• the turnbuckle device 10 stretches the concrete formwork elements 35, 36, overlapping a joint 37, against one another.
• the concrete shell elements 35, 36 are generally formed from the frames 31, 32 which hold a formlining 38 on one side and have the longitudinal struts 33 and the transverse struts 34 on the other side for stiffening the concrete shell elements 35, 36.
• the turnbuckle device 10 engages with the stationary first claws 14, 15 and pivotable second claws 24, 25 in profiles of the frame 31, 32.
• the fixed claw 14, as shown in FIG. 1, is covered by the turnbuckle device 10 in FIG. 2.
• the wedge 28 is displaced in the direction of the arrow 30 following the force of gravity and by further driving the wedge 28 into the through opening 27 of the second lock part 12, the fixed first claws 14, 15 of the first lock part 11 are brought closer to the pivotable second claws 24, 25 and thus the Concrete shell elements 35, 36 clamped together more strongly.
• the turnbuckle device 10 overlaps edges 39 of the respective frames 31, 32.
• Fig. 3 shows the turnbuckle device 10 in an open position, i.e., the second lock part 12 is pivoted and moved relative to the first lock part 11 so that the pivotable second claws 24, 25 no longer engage in a profile of the frame 31 of the concrete formwork element 35.
• the free claw ends of the pivotable second claws 24, 25 are pivoted so that they end at a distance above the edge 39, that is, the second lock part 12 can be moved in the direction of arrow 40 along the rectangular profile tube 13 so that it is no longer in the area of the concrete formwork element 35.
• the wedge 28 must be moved into an end position (first end position) in the direction of arrow 41.
• the first lock part 11 can so along the cross strut 34 be moved far until the claw 15 strikes the longitudinal strut 33.
• the free spaces in the frame 31, 32 are coordinated so that the turnbuckle device 10 can be moved so far along the cross strut 34 that the free ends of the pivotable second claws 24, 25 no longer protrude beyond the edge 39.
• the second lock part 12 can be fixed in position relative to the first lock part 11 by moving the wedge 28 against the arrow direction 41.
• the cross strut 34 is engaged with play, so that the turnbuckle device 10 is held securely on the frame 31 via the bulges 18.
• the bulges 18 engage in recesses 42 in the cross struts 34.
• the recesses 42 can be formed by grooves which are formed on both sides along the cross strut 34.
• turnbuckle devices shown in the figures can of course also be attached to longitudinal struts. The operation of the turnbuckle device then does not differ from the turnbuckle device on a cross strut.
• Fig. 4 shows the turnbuckle device 10 in an arrangement as it is completely within the frame 32 of the concrete formwork element 36 (closed or holding position).
• the first lock part 11 and the second lock part 12 are moved together so far that they come to rest within a space between the longitudinal strut 33 and the frame 32.
• the pivotable second claws 24, 25 are pivoted in completely with respect to the first lock part 11, and the wedge 28 is displaced into an end position in which it blocks the pivoting of the second claws 24, 25.
• the concrete formwork element 35 can be removed from the concrete formwork element 36.
• the turnbuckle device 10 is moved so far into the concrete formwork element 36 that it comes to rest next to the joint 37 formed by the edges 39 of the two concrete formwork elements 35, 36.
• the concrete shell elements 35, 36 can be implemented as desired. If the concrete shell elements 35, 36, of which only partial sections are shown in all the figures, are to be connected again, the concrete shell elements 35, 36 must be moved towards one another, and the turnbuckle device 10 must be unlocked in that the wedge 28 from the position shown in FIG 4 end position shown is moved upwards so far that the pivotable second claws 24, 25 can be pivoted so far that they can drive over the frame 32 and 31. The pivotable second claws 24, 25 are then pivoted back into a profile of the frame 31, and the spline connection is activated via the wedge 28 by driving the wedge 28 from an upper end position (first end position) in the direction of the position shown in FIG. 4 becomes. The further one drives the wedge 28 into the second lock part 12, the more the concrete shell elements 35, 36 are pulled together.
• Fig. 5 shows an embodiment of the arrangement of bulges 18, as they are formed on the turnbuckle device 10, namely the lock part 11.
• the bulges 18 on the inner surfaces 16, 17 are offset from one another such that a distance x is greater than the width of the longitudinal strut or the cross strut.
• Fig. 6 shows the turnbuckle device 10, as of the Concrete shell element 36 can be removed.
• the turnbuckle device 10 is to be unlocked in relation to FIG. 4, ie the wedge 28 has to be moved into an upper end position (first end position) so that the lock part 12 can be pivoted out of an engagement by overlap the cross strut 34 laterally.
• the lock part 11, which is held in the recesses 42 of the cross strut 34 via the bulges 18, must be pivoted obliquely to the cross strut 34 so that the distance x, the direct connecting line between the bulges 18 located opposite one another, releases a distance x, which is greater than the width y of the cross strut 34 or the longitudinal strut 33.
• the turnbuckle device If the turnbuckle device is aligned parallel to the cross strut 34 or the longitudinal strut 33, the bulges 18 engage behind the cross strut 34 or the longitudinal strut 33 and produce a width dimension which is smaller than the width of the cross strut 34 or of the longitudinal strut 33. If the turnbuckle device 10 is inclined as shown in FIG. 6, the entire turnbuckle device 10, ie the first lock part 11 and the second lock part 12, can be taken from the cross strut 34 together.
• Fig. 7 shows a further embodiment of fixed first claws 43, 44 with bulges 45 which are opposite to each other.
• the bulges 45 shown in FIG. 7 protrude beyond the inner surfaces 46, 47.
• Such a design of fixed first claws 43, 44 can be attached to the first lock part. If stationary first claws 43, 44 are used, cross struts and longitudinal struts are to be selected, as shown in FIG. 8.
• FIG. 8 shows a further development of cross struts and longitudinal struts, such as those formed on concrete formwork elements 48, 49.
• the first lock part 63 is held on the concrete formwork element 62. If the second lock part 64 is pivoted, as shown in FIG. 9, it can be pushed into the area of the concrete formwork element 62. Likewise, the first lock part 63 can be moved so far in the direction of the tab 66 that the second lock part 64 can be pivoted in and blocked by means of a wedge 70. If the fixation via the bolt 68 is selected, bulges on the fixed claws are not necessary. If the turnbuckle device 60 is to be removed from the cross strut 69, the bolt 68 must be pulled out of the opening 67 completely. If the bolt 68 is removed, the turnbuckle device 60 can be removed from the cross strut 69. The operation of the first and second lock parts 63 and 64 will no longer be described in detail in connection with FIG. 9 because they are constructed like the lock parts described above.
• FIG. 10 shows a second lock part 71, as can be used as a second lock part in a turnbuckle device 10 or in a turnbuckle device 60.
• Pivoting claws 72, 73 spaced apart from one another end in a common leg region 74 which connects the two claws 72, 73 to one another.
• a through opening 75 is provided for a wedge, not shown in the figure.
• Protrusions 78 protrude above inner surfaces 76, 77, which can engage behind guide strips on a first lock part, such that the second lock part 71 can be moved and pivoted along a first lock part.
• the projections 78 have the same effect as the projections 21 described.
• FIG. 11 shows an embodiment of stationary claws 83, 84, as they are on a turnbuckle device according to the invention.
• FIG. 11 shows the starting position of the pivot and / or rocker arm 88 into which the pivot and / or rocker arm 88 swings automatically.
• a turnbuckle device 10 for clamping concrete formwork elements has, on the one hand, fixed claws 14, 15 and pivotable claws 24, 25, which can be clamped with the fixed claws 14, 15 via a wedge 28 to two adjacent concrete formwork elements 35, 36 by the claws 14, 15, 24, 25 engage in profiles on the frame of the concrete shell elements 35, 36.
• the stationary claws 14, 15 have bulges 18 which engage behind the cross struts 34 or longitudinal struts 33 of a concrete formwork element 36.
• the turnbuckle device 10 is held displaceably on the concrete formwork element 36 via the bulges 18.
• the turnbuckle device 10 can be moved on the concrete formwork element 36 only as far along the cross strut 34 if the claws 14, 15, 24, 25 lie within the concrete formwork element 36 to ensure that the turnbuckle device 10 does not have an outer edge 39 of the concrete formwork element 36 stands out.
• the bulges 18 and the position of the claws 14, 15, 24, 25 ensure that the turnbuckle device 10 is also secure is fixed to the concrete formwork element 36 when this is implemented.
• the wedge 28 is, on the one hand, clamping means for the turnbuckle device 10 and, on the other hand, an opening and closing means for the pivotable claws 24, 25.

Landscapes

• Architecture (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
• Control Of Motors That Do Not Use Commutators (AREA)
• Treatment Of Water By Ion Exchange (AREA)
• Excavating Of Shafts Or Tunnels (AREA)
• Moulds, Cores, Or Mandrels (AREA)
• Conveying And Assembling Of Building Elements In Situ (AREA)
• Mutual Connection Of Rods And Tubes (AREA)
• Clamps And Clips (AREA)

Applications Claiming Priority (3)

Publications (2)

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ID=7923030

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• 2000
  • 2000-08-18 KR KR1020027003829A patent/KR100730860B1/ko not_active IP Right Cessation
  • 2000-08-18 AU AU76424/00A patent/AU7642400A/en not_active Abandoned
  • 2000-08-18 JP JP2001525060A patent/JP2003510527A/ja active Pending
  • 2000-08-18 ES ES00965778T patent/ES2242639T3/es not_active Expired - Lifetime
  • 2000-08-18 DE DE10082877T patent/DE10082877D2/de not_active Expired - Fee Related
  • 2000-08-18 DE DE50010573T patent/DE50010573D1/de not_active Expired - Lifetime
  • 2000-08-18 EP EP00965778A patent/EP1214487B1/fr not_active Expired - Lifetime
  • 2000-08-18 DE DE20080177U patent/DE20080177U1/de not_active Expired - Lifetime
  • 2000-08-18 WO PCT/DE2000/002813 patent/WO2001021910A1/fr active IP Right Grant
  • 2000-08-18 AT AT00965778T patent/ATE298027T1/de not_active IP Right Cessation
  • 2000-08-18 US US10/088,267 patent/US6767154B1/en not_active Expired - Fee Related
  • 2000-09-23 DE DE10047203A patent/DE10047203B4/de not_active Expired - Fee Related

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