EP4226003A1 - Scaffold coupling - Google Patents
Scaffold couplingInfo
- Publication number
- EP4226003A1 EP4226003A1 EP21773484.7A EP21773484A EP4226003A1 EP 4226003 A1 EP4226003 A1 EP 4226003A1 EP 21773484 A EP21773484 A EP 21773484A EP 4226003 A1 EP4226003 A1 EP 4226003A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- area
- pivot
- scaffolding
- another
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 203
- 238000010168 coupling process Methods 0.000 title claims abstract description 203
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 203
- 230000002093 peripheral effect Effects 0.000 claims abstract description 84
- 230000007704 transition Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 4
- 230000006735 deficit Effects 0.000 description 3
- 240000006829 Ficus sundaica Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/12—Clamps or clips for crossing members
- E04G7/14—Clamps or clips for crossing members for clamping the members independently
- E04G7/16—Clamps or clips for crossing members for clamping the members independently of which the clamping parts for the different members are rotatable with respect to one another
-
- 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
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/12—Clamps or clips for crossing members
- E04G7/14—Clamps or clips for crossing members for clamping the members independently
Definitions
- the present invention relates to a scaffold coupling which can be used, for example, in scaffolding or grandstand scaffolding to couple two or more scaffolding elements, for example tubular scaffolding elements, to one another or to couple one or more scaffolding elements to another structure.
- Such a scaffolding coupling comprises at least one coupling unit with two coupling parts connected to one another in a pivot connection area.
- Such a coupling unit also has a scaffolding element clamping area, with which the coupling unit can be clamped to the scaffolding element, encompassing a scaffolding element, and a locking area, in which, when the scaffolding element is clamped in the scaffolding element clamping area, the two coupling parts are locked against pivoting in relation to one another and thus on the scaffolding element can be clamped.
- a scaffolding coupling in particular for coupling scaffolding elements to one another or for coupling scaffolding elements to other structures, comprising at least one coupling unit with two coupling parts which are connected to one another in a pivoting connection region so that they can pivot about a pivot axis, with a first of the two coupling parts being connected in two directions first pivotal connection projections spaced from one another about the pivot axis and forming an axial gap therebetween and a second of the two coupling parts has a second pivotal connection projection positioned to engage in the gap, and wherein the first pivotal connection projections are connected by means of at least one pivot pin to the second pivotal connection projection about the pivot axis with respect are pivotably coupled to one another, with an axial extension of the intermediate space in a first peripheral area relative to the pivot axis being smaller than in a second peripheral area and/or an axial extent of the second pivoting connection projection being greater in a third peripheral area relative to the pivot axis than in a fourth peripheral area
- the two coupling parts of at least one coupling unit are matched to one another in such a way that by suitably positioning the different circumferential areas of the second pivoting connection projection of the second coupling part with respect to the different circumferential areas of the intermediate space between the two first pivoting connection projections of the first coupling part in a clamping frame element between them Clamping position of the two coupling parts there is essentially no axial play between the second pivot connection projections and the first pivot connection projections receiving them between them.
- a comparatively large axial force occurs, i.e.
- an axial extension of the intermediate space in the first peripheral area essentially corresponds to an axial extension of the second pivoting connection projection in the third peripheral area.
- the first peripheral area is essentially diametrically opposed to the second peripheral area with respect to the pivot axis opposite, and/or that the third peripheral area is essentially diametrically opposed to the fourth peripheral area with respect to the pivot axis.
- an opening that is at least partially penetrated by the at least one pivot pin and is essentially concentric to the pivot axis can be formed in each first pivot connection projection and in the second pivot connection projection.
- the first pivoting connection projections in the first peripheral region have first surface regions which are arranged essentially orthogonally to the pivot axis, lie opposite one another and delimit the space between them.
- the greater axial extent of the intermediate space in the second peripheral area can be provided, for example, by the first pivoting connection projections in the second peripheral area having second surface areas which are arranged essentially orthogonally to the pivot axis, are opposite one another and delimit the intermediate space between them, with the first surface areas opposite one another in the first peripheral area of the first pivoting connection projections have a smaller axial distance from one another than the second surface regions of the first pivoting connection projections lying opposite one another in the second peripheral region.
- a transition surface area that is non-orthogonal with respect to the pivot axis can be provided in each first pivot connection projection between the first surface area located in the first peripheral area and the second surface area located in the second peripheral area.
- the planar contact of the second pivot connection projection on the two first pivot connection projections in a state in which there should be no axial play can be further supported in that the second pivot connection projection is essentially orthogonal to the pivot axis on two sides facing away from one another axially in the third circumferential region. third surface areas facing away from each other.
- the variation in the axial extent of the second connecting projection can be provided in that the second pivoting connecting projection has fourth surface areas on two sides facing away from one another axially, facing away from one another and extending essentially in a wedge-like manner with respect to one another, with the fourth surface areas extending at least in areas in the fourth circumferential area.
- the second pivoting connecting projection has fourth surface areas on two sides facing away from one another axially, facing away from one another and extending essentially in a wedge-like manner with respect to one another, with the fourth surface areas extending at least in areas in the fourth circumferential area.
- a fourth surface area adjoins a third surface area on opposite sides of the second pivot connection projection.
- At least one coupling unit can comprise a scaffolding element clamping area and a locking area, with the two coupling parts being able to be locked in the locking area by at least one locking member against pivoting relative to one another, with the scaffolding element clamping area being positioned between the pivoting connection area and the locking area.
- a strong clamping force can be generated in the locking area, which is arranged at a comparatively large distance from the pivot connection area, by utilizing a large leverage effect.
- the two coupling parts of the at least one coupling unit between a clamping position and a release position relative to one another about the pivot axis, wherein in the clamping position the two coupling parts are locked or can be locked against pivoting relative to one another by the at least one locking member in the case of a scaffolding element clamping area encompassing a scaffolding element, and that in the clamping position the second pivoting connection projection with its third peripheral portion positioned at least partially in the first peripheral portion of the gap.
- Easy handling of the scaffolding coupling according to the invention for establishing the clamping state can be achieved in that, in the release position, the two coupling parts of the at least one coupling unit are pivoted with respect to one another in such a way that the second pivoting connection projection with its third peripheral area is not in the first peripheral area of the intermediate space is positioned or/and the second pivotal connection projection is positioned with its fourth peripheral area at least partially in the first peripheral area of the recess.
- Stable clamping can be supported in that each coupling part of the at least one coupling unit has a clamping section in the scaffolding element clamping area with a clamping contour adapted to an outer peripheral contour of a scaffolding element to be clamped in the scaffolding element clamping area.
- a scaffolding coupling constructed in the manner of a so-called rotating coupling can have two coupling units, with a coupling part of one of the coupling units being coupled to a coupling part of the other coupling unit so that it can rotate about an axis of rotation.
- the rotational position of the two coupling units relative to each other can be adapted to the position of the tubular scaffolding elements to be coupled with one another, for example.
- the framework coupling can have two coupling units, with a coupling part of one of the coupling units being rigidly connected to a coupling part of the other coupling unit or being formed in one piece.
- a scaffolding coupling can ensure that the two scaffolding elements to be coupled to one another are in a spatial position relative to one another that is predetermined by the rigid connection of the two coupling units.
- FIG. 1 shows a perspective view of a scaffolding coupler clamped to a tubular scaffolding element
- FIG. 2 shows a side view of the scaffold coupler of FIG. 1 in viewing direction II in FIG. 3
- FIG. 3 shows a side view of the scaffold coupling shown in FIG. 1 in viewing direction III in FIG. 2;
- FIG. 4 shows an axial view of the scaffolding coupling of FIG. 1 in a clamping position clamping a tubular scaffolding element
- FIG. 5 shows an axial view of a framework coupling in a release position
- Fig. 6 is a detail sectional view of the scaffold coupler shown in Fig. 4 in the clamped position, taken along line A-A in Fig. 4;
- Fig. 7 is a detail sectional view of the scaffold coupler shown in Fig. 5 in the release position, cut along line B-B in Fig. 5;
- FIG. 8 shows a perspective representation of a coupling part of the scaffolding coupling of FIG. 1 ;
- FIG. 9 is another perspective view of that shown in FIG. 8.
- FIG. 10 shows a perspective representation of a further coupling part of the scaffolding coupling of FIG. 1 ;
- FIG. 11 shows a side view of the coupling part of FIG. 10 in viewing direction XI in FIG. 10;
- FIG. 12 shows a rotating scaffolding coupling constructed with two coupling units.
- a scaffolding coupler constructed with a single coupler assembly 10 is indicated generally at 12 and is shown clamped to a tubular scaffolding member 14.
- the coupling unit 10 comprises a first coupling part 16, also generally referred to as a striker, and a second coupling part 18, also generally referred to as a saddle piece.
- the two coupling parts 16, 18 are connected so that they can pivot relative to one another about a pivot axis S, which is essentially parallel to a longitudinal axis of, for example, the tubular scaffolding element 14 on which the scaffolding coupling 12 is fixed by clamping action.
- the second scaffolding part 18 can, for example, be firmly connected to this further scaffolding element, for example also tubular, for example by riveting, welding or in some other way.
- this further scaffolding element for example also tubular, for example by riveting, welding or in some other way.
- the coupling unit 10 also includes a scaffolding element clamping area 22, with which the two coupling parts 16, 18 clamp the scaffolding element 14 between them in the clamping position of the scaffolding coupling 12 or the coupling unit 10 shown in FIGS.
- the two coupling parts 16 , 18 have clamping contours 24 , 26 which are designed, for example, with a plurality of ribs or grooves to reinforce the clamping effect and are adapted to the outer peripheral contour of the framework element 14 .
- the coupling unit 10 has a locking area 28 .
- the clamping area 22 is positioned between the pivoting connection area 20 and the locking area 28 so that the locking area 28 has a large distance from the pivoting connection area 20 in some areas.
- the two coupling parts 16, 18 can be locked in relation to one another in the clamping position encompassing the framework element 14 by a locking member 30.
- the locking member 30 can comprise a screw bolt 31 pivotably carried on the second coupling part 18 and a nut 32 screwed onto it, it being possible for the screw bolt 31 to be positioned so as to engage in a slot-like opening 34 on the first coupling part 16 in order to, by tightening the nut 32 in the locking area 28 to bias the two coupling parts 16, 18 towards one another.
- Other locking elements for example a locking wedge, can also be used to lock the two coupling parts 16, 18 with respect to one another in the clamped position.
- the first coupling part 16 has two first pivot connection projections 34a, 34b arranged at an axial distance from one another. These form an intermediate space 35 between them, in which a second pivot connection projection 36 provided on the second coupling part 18 in the pivot connection area 20 is or can be positioned in an engaging manner.
- a second pivot connection projection 36 provided on the second coupling part 18 in the pivot connection area 20 is or can be positioned in an engaging manner.
- respective openings 38a, 38b and 40 are formed which are concentric to the pivot axis S and also substantially define it.
- a pivot pin 42 holding the two coupling parts 16, 18 for pivoting about the pivot axis S with respect to one another can be guided through this. This can be secured against falling out by respective radially expanded heads and/or by a press fit, for example in the two openings 38a, 38b.
- the two first pivoting connection projections 34a, 34b are shaped on their sides facing one another in such a way that the axial intermediate space 35 formed between them has a smaller axial extent in a first peripheral region 44 with respect to or about the pivot axis S than in a second peripheral region 46 with respect to or about the pivot axis S.
- each of the first pivot coupling projections 34a, 34b can have a first surface region 48a, 48b that is essentially orthogonal to the pivot axis
- in the second peripheral region 46 can have a second surface region that is also essentially orthogonal to the pivot axis S Have surface area 50a, 50b.
- each of the first pivot coupling projections 34a, 34b in the transition between a respective first surface region 48a, 48b and a respective second Surface area 50a, 50b can be provided with a transition surface area 52a, 52b that is not orthogonal to the pivot axis S, i.e. at an angle different from 90°.
- the first peripheral area 44 and the second peripheral area 46 are arranged approximately diametrically opposite one another with respect to the pivot axis S.
- the second pivot connection projection 36 on the second coupling part 18 has a third peripheral area 54 with respect to or about the pivot axis S and a fourth peripheral area 56 with respect to or about the pivot axis S .
- the third peripheral area 54 and the fourth peripheral area 56 are also located essentially diametrically opposite one another with respect to the pivot axis S.
- the second pivotal connection projection 36 has two axially opposite sides 58, 60 of the second
- Pivoting coupling projection 36 to the pivot axis S substantially orthogonal third surface areas 62a, 62b.
- the axial extent of the second pivot coupling projection 36 decreases starting from the third peripheral region 54, so that in this relative to the pivot axis S
- the second pivot coupling projection 36 has a smaller or decreasing axial extent in the fourth peripheral region 56 that is essentially diametrically opposite or also adjoins this region.
- the two coupling parts 16, 18 are designed in the manner described above pivot coupling projections 34a, 34b and 36 so coordinated that the axial extent of the second Pivoting coupling projection 36 in the third peripheral region 54 essentially corresponds to the axial extent of the intermediate space 35 between the two first pivoting coupling projections 34a, 34b in the first peripheral region 44.
- the two coupling parts 16, 18 are matched to one another in such a way that when they are in the clamping position encompassing the scaffolding element 14, the second coupling part 18 with the third peripheral region 54 formed on the second pivot coupling projection 36 thereof with the two third surface regions 62a, 62b in the first peripheral area of the intermediate space 35 are positioned in the first coupling part 16, so that the third surface areas 62a, 62b each face a first surface area 48a, 48b substantially without axial movement play or bear against it.
- the two coupling parts 16, 18 are brought into the release position shown in Fig. 5 with respect to one another, the second coupling part 18 pivots with its third peripheral region 54 out of the first peripheral region 44 of the intermediate space 35 out and with this third peripheral area 54, i.e. the area of greatest axial extension of the second pivoting coupling projection 36, reaches the area of the second peripheral area 46 of the intermediate space 35, i.e.
- first surface areas 48a, 48b are opposite the fourth surface areas 64a, 64b, particularly where they are at the smallest axial distance from one another, while the third surface areas 62a, 62b on the second swivel coupling projection 36 lie in the spaced apart second surface portions 50a, 50b of the first pivot coupling projections 34a, 34b.
- the inventive design of the above-described scaffolding coupling 12 or coupling unit 10 of the same ensures that even strong forces acting on the scaffolding element encompassed by the coupling unit 10 in the direction of its longitudinal axis L cannot lead to a relative movement between the two coupling parts 16, 18 and therefore an impairment of the clamping effect by such a relative movement of the two coupling parts 16, 18 with respect to each other can not occur.
- the clutch unit 10 could be designed differently in various areas than described above or shown in the figures.
- the second coupling part 18 could be formed in the fourth peripheral region 56 to provide the wedge-like structure with, for example, convexly or concavely curved fourth surface regions 64a, 64b.
- FIG. 12 shows a framework coupling 12 with two coupling units 10, 10' with the structure described above, each with two coupling parts 16, 18 or 16', 18'.
- the two coupling units 10, 10' can be rotated relative to one another about an axis of rotation D, so that the position of the two coupling units 10, 10' can be adapted to the position of the two to be coupled to one another by a scaffolding coupling 12 constructed in this way tubular scaffolding elements can be adjusted.
- such a framework coupling 12 can be constructed with two coupling units 10, 10' rigidly connected to one another, for example in the region of the second coupling parts 18, 18'.
- the two second coupling parts 18, 18' could be connected to one another by welding directly or via a further component, with the positioning of the two coupling units 10, 10' being selected to be adapted to the positioning of the two tubular scaffolding elements to be connected to one another in a particular application can.
- the two second coupling parts 18, 18' could be arranged in relation to one another in such a way that the frame elements to be coupled to one another by the two coupling units 10, 10' run essentially orthogonally to one another.
- the two second coupling parts 18, 18' could be provided integrally on a unified component, so that a single component second coupling part 18 of the coupling unit 10 corresponding section and a dem second coupling part 18 'of the coupling unit 10' has a corresponding section.
- a scaffold coupling constructed according to the invention or the coupling units constructed according to the invention can be used in many other ways.
- several coupling units of such a scaffolding coupling in a crane coupling on a crane eye to be coupled to a crane hook can be arranged essentially parallel to one another, so that they can be coupled next to one another with a tubular scaffolding element.
- the number of coupling units provided in such a scaffolding coupling constructed as a crane coupling can be adapted to the weight of the scaffolding structure to be lifted.
- three coupling units can be provided in such a framework coupling.
- a coupling unit can be firmly connected to a component to be connected to a building or other support structure, for example by screwing, which can be regarded as a further scaffolding element in the context of the present invention, for example by welding or riveting.
- connection to scaffolding elements or support structures made of wood is possible if one or more coupling units of a scaffolding coupling is or are firmly connected to a coupling element designed to enable a screw connection as a further scaffolding element, for example by welding or riveting.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020126047.4A DE102020126047A1 (en) | 2020-10-06 | 2020-10-06 | scaffold coupler |
PCT/EP2021/074205 WO2022073700A1 (en) | 2020-10-06 | 2021-09-02 | Scaffold coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4226003A1 true EP4226003A1 (en) | 2023-08-16 |
Family
ID=77864528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21773484.7A Pending EP4226003A1 (en) | 2020-10-06 | 2021-09-02 | Scaffold coupling |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4226003A1 (en) |
DE (1) | DE102020126047A1 (en) |
WO (1) | WO2022073700A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE635097C (en) * | 1932-12-13 | 1936-09-10 | Camloc Tubular Scaffoldings Lt | Clamp, especially for connecting tubular scaffolding parts |
FR996631A (en) * | 1945-05-07 | 1951-12-24 | Assembly device for tubular elements | |
GB1011182A (en) * | 1963-06-13 | 1965-11-24 | Boulton Scaffolding Ltd | Improvements in or relating to couplers |
EP0044044A2 (en) * | 1980-07-16 | 1982-01-20 | BURTON DELINGPOLE & COMPANY LIMITED | Scaffolding device |
-
2020
- 2020-10-06 DE DE102020126047.4A patent/DE102020126047A1/en active Pending
-
2021
- 2021-09-02 EP EP21773484.7A patent/EP4226003A1/en active Pending
- 2021-09-02 WO PCT/EP2021/074205 patent/WO2022073700A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE635097C (en) * | 1932-12-13 | 1936-09-10 | Camloc Tubular Scaffoldings Lt | Clamp, especially for connecting tubular scaffolding parts |
FR996631A (en) * | 1945-05-07 | 1951-12-24 | Assembly device for tubular elements | |
GB1011182A (en) * | 1963-06-13 | 1965-11-24 | Boulton Scaffolding Ltd | Improvements in or relating to couplers |
EP0044044A2 (en) * | 1980-07-16 | 1982-01-20 | BURTON DELINGPOLE & COMPANY LIMITED | Scaffolding device |
Non-Patent Citations (1)
Title |
---|
See also references of WO2022073700A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102020126047A1 (en) | 2022-04-07 |
WO2022073700A1 (en) | 2022-04-14 |
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