EP2578772A2 - Extension repliable de plancher d'échafaudage - Google Patents
Extension repliable de plancher d'échafaudage Download PDFInfo
- Publication number
- EP2578772A2 EP2578772A2 EP20120006930 EP12006930A EP2578772A2 EP 2578772 A2 EP2578772 A2 EP 2578772A2 EP 20120006930 EP20120006930 EP 20120006930 EP 12006930 A EP12006930 A EP 12006930A EP 2578772 A2 EP2578772 A2 EP 2578772A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- scaffold
- scaffolding
- extension
- scaffold floor
- slot
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims description 36
- 210000000078 claw Anatomy 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 3
- 239000012720 thermal barrier coating Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
- E04G1/154—Non-detachably fixed and secured connections between platform and scaffold
-
- 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
- E04G5/06—Consoles; Brackets
- E04G5/061—Consoles; Brackets specially adapted for attachment to scaffolds
Definitions
- the invention relates to a scaffold on the outer wall of a building, consisting of a plurality of spaced vertical stems, which are rigidly connected to each other in pairs via horizontally oriented bolt to setting frame, and a plurality of horizontal scaffold floor parts which rest on the adjusting frame and connect them together.
- the framework has a distance of about 30 cm from the outer wall in order to fasten or apply facade panels and / or plaster and / or paint layers.
- thermal insulation composite system typically 25 to 30 cm thick.
- an increased distance of the framework from the outer wall is required, which is in the order of 55 cm.
- the scaffolding floor extensions are removed so that a gap of 20-30 cm forms between the now narrower scaffold and the surface of the thermal barrier coating, in which the last layers can be applied to the thermal insulation.
- console platforms or console beams the essential feature of which is that they are secured with an additional, triangular support against folding downwards.
- triangular support is a robust and sustainable element, but only if all the necessary connections have been accurately engaged and the possibly necessary screwing or jamming have been created with the necessary tightening torque.
- console platform which could in principle also be attached to the vertical stems of a scaffold, so that it increases the surface of the scaffolding floors.
- This console platform is characterized by the fact that its triangular console girders are articulated against the scaffold floor extension and engage in their vertical position to the scaffolding floor extension aligned working position in the attachment. As a result, the console is stabilized to the scaffold floor extension in the working position and allows space-saving folding when not in use.
- scaffolding extension shows the DE 199 26 592 A1 , It consists of two telescopically to slide into each other and also retractable carriers, which are mounted parallel to the bars of the setting frame below a scaffold floor surface. On these telescopes rests a scaffolding extension. By advancing this scaffolding floor extension as a drawer below a table surface of the scaffolding floor is extended.
- scaffolding parts are not necessarily firmly connected to the bars and uprights and therefore can be raised by storm or by handling bulky parts, such as carriers, and fall down while doing so. As a result, not only is the necessary footprint missing at the respective location, but this also weakens the structure of the entire scaffold. If dropped, the scaffold floor part itself will be damaged and in turn may cause damage to property and / or personal injury.
- a suspension claw with a scaffold floor part can be placed for example on a bolt. Then the claw not only includes the latch 180 °, but also pivots an additional pawl on the latch, so that an enclosure angle of about 270 ° is reached. This prevents that acting from below forces lift off the respective scaffold floor part.
- the invention has taken on the task of developing a connection between scaffolding parts and the framework, which can be easily and inexpensively manufactured and can be activated and deactivated without additional tools and without additional manipulation and a scaffolding floor extension holds on the scaffolding or alternatively inhibits the lifting of a scaffolding floor part clearly.
- the invention teaches that at least one scaffolding floor part rests on a bearing pin by means of at least one rigidly connected suspension hook, wherein the bearing pins are each oriented approximately horizontally and are attached to a vertical handle or on a bolt and each hook is approximately plate-shaped and approximately vertical and is approximately vertically aligned with respect to a bearing pin and is penetrated by a horizontal slot, which extends from a vertical edge and which is pushed over a respective Auflagerstatt over.
- the key feature of the invention is therefore the "hooks", which includes a "Avemlagerux" with its horizontal slot.
- a suspension hook can also be described as a U-shaped component, whose two legs comprise the bearing pin from above and from below.
- the bearing pin is always aligned horizontally.
- the slot of the Ein vonhakens is aligned horizontally in its installed position, so that a downward or upward movement of the Ein vonhakens against the Auflagerux is not possible. This is the basis for its effectiveness as a lifting protection for scaffolding parts.
- suspension hook Another function of the suspension hook is that it can be pushed to the end of the slot on a Auflagerux, but not further. This effect is based on its use as a load-bearing attachment of scaffolding floor extensions, which protrude laterally beyond the scaffolding and can therefore only be attached to one edge.
- the suspension hook according to the invention thus serves in the most general case only to block certain directions of movement - such. when used as a lifting protection for scaffold floor surfaces whose load is otherwise dissipated.
- the principle of the suspension hook according to the invention can additionally be used as a mechanical fastening, which then also derives the forces from the overlying loads into the framework.
- Such a combination of hook and horizontal bearing pin blocked in its installed position vertical movement of a scaffold floor part up and down and blocks a horizontal movement only in a single, certain direction. This configuration is advantageously used for the one-sided attachment of a cantilevered scaffold floor extension.
- the invention proposes a variant in which at the end of the slot an upwardly pointing detent recess is formed, which can receive the cross section of a Auflageruxes.
- the slot is extended to an L-shaped backdrop.
- the suspension hook and thus also the scaffold floor part attached thereto must perform an L-shaped movement in order to be able to be pushed over the bearing pin. Because no other form of movement is possible, this process can be quickly understood even for low-skilled personnel to set up the framework.
- two vertical handles are connected via at least two bars to a respective adjusting frame.
- These adjusting frames are spaced apart from each other and connected by scaffold floor parts.
- they have when attaching thermal barrier coatings on a relatively large distance, which is at least partially bridged by a scaffold floor extension.
- the scaffolding floor extension is raised until the Auflagerstatte have entered the slots of the hooks and have reached its end.
- the scaffolding extension is then pivoted by about 90 ° until it is aligned horizontally.
- the scaffold floor extension in addition to the pivoting movement is lowered so far that the Auflagerriche engage in the detent recess.
- the movement of the last step is then a combination of a pivoting movement and a lowering.
- the Auflager may have any cross-section, as long as this allows movement within the slot and the final pivoting.
- the bearing pin has a cylindrical cross-section.
- the diameter of this cylindrical cross section should only be slightly smaller than the width of the slot in the hook.
- the detent recess - if present - is designed as a segment of a hollow cylinder which is shaped to be complementary to the cylindrical bearing pin.
- a side surface of the slot serves as a sliding bearing for the displacement of the suspension hook on the Auflagerux.
- the inner wall of the detent recess serves as a sliding bearing for pivoting the Einitatihakens relative to the Auflager202. It makes sense, in this case, both hollow cylinder segments and the two bearing pins should be arranged on the same central axis. Although in principle a pivoting movement is possible even if the center axes of the two hollow cylinder segments and the two bearing pins are not aligned, but then the wear is significantly higher.
- the invention prefers that at least one scaffold floor extension in its horizontal position by means of one, usually two stop tabs, which are attached to the scaffolding floor extension edge and horizontally outward pointing, on the adjacent vertical stem (1). supported.
- Form and attachment of the stop tab is basically arbitrary. This may be a pin with usually any cross section, wherein it is preferred to use a cylinder. It may also be a flat or curved sheet, the z. B. is formed as an angle iron, one leg of which is welded from the outside to the scaffold floor extension. It is crucial that the dimensioning of the stop tab as well as the location of its attachment to the scaffold floor extension is selected so that the stop tab can fulfill its function, d.
- stop tab on the scaffolding floor extension on the edge extends outward so far that the adjacent vertical stem in the trajectory of the stop tab then to comes when the scaffold extension is pivoted to its horizontal position.
- This functionality of the stop tab also determines its position and attachment to the scaffolding floor extension.
- two stop tabs are usually used, which are attached to the scaffold floor extensions on the opposite end faces in such a way, usually symmetrical to the median plane of the scaffolding floor extension that with the achievement of their horizontal positions both stop tabs simultaneously with the respective vertical stems contact.
- the stop tabs are also to be dimensioned so that the particular occurring in the case of the load torques can be supported.
- This type of fixation of the pivoted in its horizontal position scaffolding extension is particularly advantageous if the center axis of the support pins and thus the hollow cylinder segment above the scaffold floor extension and in the vicinity of the two stop tabs is usually arranged and the scaffolding floor extension by their mass and possibly loads resting thereon against the adjacent vertical stem is pressed.
- suspension hooks according to the invention are each attached to one corner of the framework floor extension and project upwardly beyond the tread surface of the framework floor extension.
- suspension hooks according to the invention emanate from a narrow side of the framework floor extension and on the projecting longitudinal side of the scaffold floor extension far and thereby bridge the distance between the vertical stems with the support pins mounted therein and the side edges of the protruding scaffold floor parts.
- the scaffold floor parts which connect adjacent adjusting frames with each other, are narrower than the adjusting frames are wide.
- the Auflageruxe for pushing the suspension hook according to the invention can be attached to the bars of the adjusting frames instead of the vertical stems. Then can be used as a "third support point" of the scaffolding floor extension - as described above - still the attached stop tabs.
- suspension hooks according to the invention must be moved from the corners of the scaffolding floor extension to the point on the narrow side of the framework floor extension adjacent to the vertical stems.
- the scaffolding floor extension can oscillate around the bearing pins when loaded. To avoid this, an additional fixation of the scaffold floor extension is required.
- sliders and / or pins and / or folding hooks and / or latching springs and / or screws and / or clamping connections are proposed as connecting elements. These or other suitable connecting elements can be releasably connected to a vertical stem and / or with a bolt and / or an adjacent scaffold floor part.
- the invention proposes that the slot in the suspension hook is widened in a funnel shape towards its open end.
- This funnel reduces the required tolerance when sliding a slot over a bearing pin. Then advantageously only a relatively small positioning accuracy is required at the beginning of the movement. At the end of the movement, the funnel-shaped narrowing slot automatically achieves a sufficiently exact positioning.
- the slot can be temporarily closed by a closure.
- the invention proposes that the closure is designed as a closing wedge.
- This closing wedge is to reduce the opening of the slot over its length continuously and be pressed against the force of a spring from the bearing pin to the side. Then, when sliding a suspension hook onto a bearing pin, the closing wedge is continuously pressed further outwards until the entire cross-section of the slot in the suspension hook is released.
- FIG. 1 is a rectangular section of the outer wall 3 of a building shown behind a scaffold that has the distance A to the outer wall 3.
- the outer wall 3 is therefore closest to the viewer. Since the viewing direction of the observer is directed out of the interior of the building and through the outer wall 3 onto the framework, the outer wall 3 is in FIG. 1 glasses so that you can see through them.
- FIG. 1 Visible side of the framework is thus the side facing the outer wall 3 side.
- each a scaffold floor extension 7 is set at the same height.
- These scaffolding extensions 7 have the shape of an elongated rectangle.
- the front scaffold floor extension 7 is shown completely, so that it is very clear that at each of its two rear corners a hook 5 is attached, which depends on a respective Auflagerstatt 6, which is horizontally inserted through a respective vertical handle 1 therethrough.
- the scaffolding extension 7 extends the surface of the scaffold floor parts 4 in the direction of the viewer.
- FIG. 2 are as a part of the FIG. 1 the vertical column 1 located there on the right and the end sections of the two scaffolding floor extensions 7 attached thereto are shown.
- FIG. 2 is in FIG. 2 of the really very long scaffolding extensions 7 whose largest part each cut off graphically, so that only the tail is visible in each case.
- This is very nicely illustrated that both to the viewer indicative side edges 41 of the two scaffold floor parts 4 each a scaffolding extension 7 is set at the same height and rests with their side edges 71 on the side edges 41 of the scaffold floors.
- suspension hooks 5 are in each case attached to a rear corner of the framework floor extensions 7 in this embodiment.
- the hooks 5 protrude even in a direction away from the viewer on the rear side edge of the scaffold floor extensions 7, so that in the suspended state, the central axis 61 of the Auflagerloche 6 in the plane of the rear side edges 71 of the frame floor extension 7.
- the hooks 5 has not only the horizontal slot 51, but also still adjacent to the end of the detent recess 52.
- This detent recess 52 is executed in the embodiment shown here as a hollow cylinder segment which is complementary to the cylindrical bearing pin 6 dimensioned.
- the detent recess 52 serves as a sliding bearing for pivoting the scaffold floor extension 7 about the central axis 61 of the Auflagerstatte 6.
- the pivotal movement of the two scaffolding floor extensions 7 is in FIG. 2 indicated on the right edge by a double arrow.
- FIG. 2 is very clearly visible that rests in the activated, ie horizontally oriented position of the scaffold floor extension 7 whose side edge 71 on the side edge 41 of the scaffolding floor part 4.
- FIG. 2 shows that the suspension hooks 5 according to the invention rests tightly against the vertical column 1, that is so barely exerted on the bearing pin 6 inserted a bending force, but a worst-case shearing force. Against such forces, however, a round steel is relatively very resistant, so that even a small cross-section can already apply a sufficient holding force.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
- Movable Scaffolding (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110115058 DE102011115058A1 (de) | 2011-10-07 | 2011-10-07 | Klappbare Gerüstbodenerweiterung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2578772A2 true EP2578772A2 (fr) | 2013-04-10 |
EP2578772A3 EP2578772A3 (fr) | 2014-03-12 |
EP2578772B1 EP2578772B1 (fr) | 2015-08-19 |
Family
ID=47142861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12006930.7A Active EP2578772B1 (fr) | 2011-10-07 | 2012-10-05 | Extension repliable de plancher d'échafaudage |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2578772B1 (fr) |
DE (1) | DE102011115058A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112343319A (zh) * | 2020-08-07 | 2021-02-09 | 连江明杰信息技术有限公司 | 一种建筑施工用脚手架 |
CN114737738A (zh) * | 2022-03-22 | 2022-07-12 | 天长市安骄金属制品科技有限公司 | 一种脚手架用滑动式可延展操作台 |
CN115030478A (zh) * | 2022-05-31 | 2022-09-09 | 中国五冶集团有限公司 | 用于外架中金属冲孔防护板悬挂的悬挂装置及施工方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640976A1 (de) | 1976-09-11 | 1978-03-16 | Koettgen Kg | Sicherheits-rohrverbinder fuer arbeitsbuehnen, geruestkonstruktionen u.dgl. |
DE19500438A1 (de) | 1995-01-10 | 1996-07-11 | Baumann Verwertungs Gmbh | Konsolbühne |
DE19926592A1 (de) | 1998-09-09 | 2000-03-30 | Stephan Dietrich | Verstellbare Konsole für ein Baugerüst |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD123540A1 (fr) * | 1975-12-18 | 1977-01-05 | ||
JPH0453392Y2 (fr) * | 1985-09-05 | 1992-12-15 | ||
GB2375136B (en) * | 2001-05-02 | 2004-05-05 | Sgb Services Ltd | Improvements in or relating to a scaffolding connection |
NL1019611C2 (nl) * | 2001-12-19 | 2003-06-20 | Thiel Van Nv | Hulpinrichting voor het positioneren van hulpvloeren van een steiger, alsmede een console en een steiger. |
DE202008012697U1 (de) * | 2008-09-24 | 2008-12-24 | Kehrle, Rolf | Belagabhebsicherung für H-Rahmengerüste |
DE102009030839A1 (de) * | 2009-06-26 | 2010-12-30 | Altrad Plettac Assco Gmbh | Gerüst Konsolenerweiterung |
-
2011
- 2011-10-07 DE DE201110115058 patent/DE102011115058A1/de active Pending
-
2012
- 2012-10-05 EP EP12006930.7A patent/EP2578772B1/fr active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640976A1 (de) | 1976-09-11 | 1978-03-16 | Koettgen Kg | Sicherheits-rohrverbinder fuer arbeitsbuehnen, geruestkonstruktionen u.dgl. |
DE19500438A1 (de) | 1995-01-10 | 1996-07-11 | Baumann Verwertungs Gmbh | Konsolbühne |
DE19926592A1 (de) | 1998-09-09 | 2000-03-30 | Stephan Dietrich | Verstellbare Konsole für ein Baugerüst |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112343319A (zh) * | 2020-08-07 | 2021-02-09 | 连江明杰信息技术有限公司 | 一种建筑施工用脚手架 |
CN114737738A (zh) * | 2022-03-22 | 2022-07-12 | 天长市安骄金属制品科技有限公司 | 一种脚手架用滑动式可延展操作台 |
CN114737738B (zh) * | 2022-03-22 | 2023-09-01 | 天长市安骄金属制品科技有限公司 | 一种脚手架用滑动式可延展操作台 |
CN115030478A (zh) * | 2022-05-31 | 2022-09-09 | 中国五冶集团有限公司 | 用于外架中金属冲孔防护板悬挂的悬挂装置及施工方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102011115058A1 (de) | 2013-04-11 |
EP2578772A3 (fr) | 2014-03-12 |
EP2578772B1 (fr) | 2015-08-19 |
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