EP3146128B1 - Subframe unit, subframe system, and method for assembling and dissembling a subframe unit - Google Patents

Description

The invention relates to an underbody unit according to the preamble of claim 1 and an underbody scaffolding system according to the preamble of claim 11 and to a method of constructing a scaffolding unit according to claim 13 and a method of dismantling an underbody unit according to claim 14.

From the document DE 37 06 335 A1 a rack or sub-scaffolding unit is known, which comprises a platform and at least three support columns, wherein the platform comprises a top, a bottom and receptacles, wherein the receptacles are formed as passage guides, which traverse the platform from the top to the bottom, wherein in each case a receptacle and a support column are adapted to one another such that the support column can be inserted with its leg from the top of the platform into the receptacle and can be pushed out through the platform at its underside.

Furthermore, from the document FR 2 608 251 A1 an underbody unit according to the preamble of claim 1 known.

The object of the invention is to provide an underbody scaffolding unit or an underbody scaffolding system which optimally protects the person or persons located below the platform and which is or can be simply built up with machine assistance. It is another object of the invention to propose a method for building an underbody scaffolding unit and a method for dismantling a sub-scaffolding unit, with which large and heavy sub-scaffolding units can be quickly and easily built machine-supported, dismantled and offset or positioned.

This object is achieved by an underbody scaffolding unit or an underbody scaffolding system having the features of claim 1 or 11 or by a method having the features of claim 13 and claim 14, respectively.

In the substructure scaffolding unit according to the invention, each support column comprises a leg and a head, wherein the support columns are coupled in pairs with its head with the receptacles, wherein the support column through the platform at the bottom thereof can be pushed to the head of the support column in the region of the recording in a coupling position is located, wherein the sub-scaffolding unit comprises locking means by which the head of the support column in the coupling position of the support column with the platform is locked so that the support column is held immovably on the platform, wherein the platform comprises a base body and wherein the main body as a trough with a circumferential edge is formed such that when working on a facade, for example, when cleaning the facade with a liquid, the liquid running through the liquid-tight tub can be collected and selectively derived. By virtue of the platform comprising a base formed as a tub, persons under the platform are not only better protected from falling objects caught in the tub, but are also reliable against liquid and viscous media such as wash water or wet plaster protected, which are also collected and in larger quantities from the tub. Through the tub and its capacity, in particular a lateral dripping of liquid and viscous media is effectively prevented. Furthermore, such a sub-scaffolding unit, for example by means of a crane or a forklift can be easily and simply built by the platform is placed on a surface, the support columns are set with the lower ends of their legs in the recordings of the platform and then the platform with the crane or the forklift is raised so that the support columns remain due to gravity on the ground and the platform slides with their recordings on the legs of the support columns along until the heads of the support columns abut the top of the platform and thus are in a coupling position so that subsequent securing of the support columns to the platform can be done using locking means. Such an assembly of an underbody unit can be easily done by two workers, the one worker mainly serves the crane or the forklift and the other worker mainly enters the support columns in the recordings and secures them after lifting the platform on the platform. After complete assembly or after securing the support columns in their coupling position, the sub-scaffolding unit can then with the help of the crane or of the forklift are placed at the intended construction site. The fact that the main body comprises a liquid-tight tub, cumbersome sealing work, which include the laying and fixing of films, avoided. Furthermore, the risk of leaks being formed by pierced or tearing film sections is also drastically reduced, so that the underbody unit provides reliable protection for passers-by. A design of the base body as a tub also brings with it the advantage that the base body can be used during storage and during transport as a storage container for other components of the sub-scaffolding unit use. In particular, it is intended to insert the support columns during transport and storage in the tub. A design of the body as a tub also brings with it the advantage that when working on the facade, for example, a cleaning of the facade with a liquid, the effluent liquid can be collected by means of the tub and specifically discharged. Targeted discharge takes place here by sucking off the trough and / or tapping the trough and / or by means of a drain, which comprises the main body and to which a drain hose or a drain pipe can be connected.

According to the invention is the head with a head shell transverse to a longitudinal axis of the support column laterally over a lateral surface of the leg, wherein the support column is pushed in the coupling position so far into the receptacle that her head rests with a bottom of his head shell on the platform and another Insertion blocked in the insertion direction, wherein the support column and the platform in the coupling position of the support column are connectable by the locking means such that the platform is held immovably between the head and the locking means. As a result, a reliable and reliable connection between the platform and the support columns is ensured. Here, the connection between the support columns and the platform is in each case designed so that the sub-scaffolding unit, while avoiding an arrangement of one or more transverse struts, which connect the support columns below the platform, is safe.
It is further provided to equip the platform with at least three anchor means which can be coupled with a harness of a crane, wherein the anchor means are in particular formed as loops or hooks or loops or holes and in particular arranged such that a connected to the anchor means dishes laterally offset to imaginary extensions of longitudinal axes of the recordings is clamped. This ensures that the support columns can move unhindered by the harness in the recordings when lifting the platform. Furthermore, it is provided that at least two of the anchor means and in particular all anchoring means lie within a track connecting the recordings of the platform. Thus, the support columns can be used in the platform without the dishes this case a working space, which is required, passes through and hindered handling of the support columns before insertion.

It is also provided that the receptacles are arranged in the region of the edge of the trough and that the anchoring means are arranged in particular on an inner side of the edge. By arranging the receptacles in the region of an edge of the trough, it is structurally easily possible to guide the support columns reliably in the platform, so that they do not tilt when pushed through and so that they can be reliably fastened with their heads in the receptacles. An arrangement of the anchor means on an inner side of the edge of the trough ensures in a simple manner that a harness connected to the platform does not hinder the insertion of the support pillars.

Furthermore, it is provided that the platform comprises the base body and coupling means, it is provided the coupling means to be arranged on the upper side of the base body such that vertical frame of a scaffolding system, which is to be built on the substructure unit, are connected to the coupling means such that a several scaffolding fields comprehensive scaffolding on the platform of the sub-scaffolding unit can be built. As a result, the substructure scaffolding unit forms an interface for simple and secure against displacement mounting of vertical frame of a scaffolding.

With regard to the coupling means, it is further provided that these are individually or jointly displaceable from a first position in at least one further position relative to the base body and in particular are lockable on the base body. As a result, an upper scaffolding can be individually positioned in its position on the sub-scaffolding unit and so adapted to a variety of requirements, which are predetermined for example by the facade of a building to be equipped.

For reliable and simple connection of a scaffolding with the sub-scaffolding unit, it is provided either the coupling means equipped with plug receptacles are in which vertical frame of the scaffolding system adjustable, or equip with other backup and / or adjusting means, with which feet the vertical frame of the scaffolding system on the substructure unit can be fixed and / or positioned. As a result, a reliable cohesion between the upper scaffolding system and the sub-scaffolding unit is ensured.

It is also envisaged to make the support columns telescopic and to equip them at the lower end of their legs each with a foot, which in particular is removable. Due to the telescoping and the disassembly of the foot, the packing dimensions of the support columns can be kept low, so that they can be stowed easily and in particular in a designed as a base body of a platform. Here, the foot is connected to the support column in particular via a threaded rod, so that a stepless height adjustment is guaranteed. In particular, it is also provided to provide differently shaped feet for different construction situations.

Furthermore, it is provided to equip the platform with holding means to which the support columns for transport or storage of the substructure unit can be fastened, wherein the holding means are arranged in a design of the main body of the platform as a tub, in particular on a tub bottom, such that the support columns be fully accommodated in a transport position in a volume of the tub. This makes it possible to reduce the transport volume for the sub-scaffolding unit to the total volume of the body.

It is also provided to equip the platform on at least one longitudinal side with one or more recesses, in which a fork of a lift truck is inserted, wherein the recesses are formed such that the fork is inserted in particular while avoiding the exercise of a force acting on the platform tilting moment , This makes it possible to build the individual sub-scaffolding unit using a forklift and dismantle, so that can be dispensed with the use of a crane or so that, depending on availability, a crane or a forklift truck can be used to build or dismantling.

Furthermore, it is provided that the locking means passes through the leg of the support column and bears against the platform, wherein the locking means and in particular a bolt of the locking means rests on both sides of the support column on the platform. Such an embodiment makes it possible to design the underbody unit also for large loads. This purpose is served in particular by the embodiment in which the platform rests against the locking means on both sides of the support column or rests on the locking means. Furthermore, such a connection of support column and platform makes it possible to check the locks quickly and easily by means of a visual inspection. In principle, it is also envisaged that the head base of each supporting column is guided over a length of at least 10 cm and in particular at least 15 cm in the receptacle formed as a passage guide on the platform. Here, the head base and the passage guide are adapted to one another in such a way that the support column is held in its 90 ° position to the platform even when laterally acting on the substructure unit forces.

Furthermore, an underbody scaffolding system is provided which comprises at least two substructure scaffolding units according to at least one of claims 1 to 10. By means of such an underbody scaffolding system, it is also possible to equip larger buildings in such a way that the ground floor of the building is surrounded by a multiplicity of substructure scaffolding units of the substructure scaffolding system and that further building of the building is possible by means of an upper scaffolding system which is based on the substructure scaffolding system.

With regard to the substructure scaffolding system, it is further provided to provide the scaffolding system with at least one clamping means, wherein the clamping means connects two adjacent sub-scaffolding units and wherein the clamping means is in particular designed such that this at least one head of the support columns of the first substructure unit with at least one head of the support columns of the second , adjacent sub-scaffolding unit and in particular for this purpose at least one bridge and at least two pins, wherein the pins are held by the bridge in a predetermined arrangement and wherein the pins are inserted into the heads of the support columns and the sub-scaffolding units are positioned by the brackets to each other. As a result, the individual substructure scaffolding units of the substructure scaffolding system can be quickly and easily connected to form one unit. This increases in particular the stability of the substructure scaffolding.

• Ablegen der Plattform auf einem Untergrund,
• Einstellen bzw. Einsetzen der Tragsäulen in Aufnahmen, die an der Plattform ausgebildet sind, wobei dies derart erfolgt, dass die Tragsäulen hierbei mit den unteren Enden ihrer Beine auf dem Untergrund zu stehen kommen,
• Anheben der Plattform mit Maschinenhilfe, insbesondere eines Krans oder eines Gabelstaplers, wobei das Anheben derart erfolgt, dass die Plattform hierbei mit ihren Aufnahmen an den still stehenden Beinen der Tragsäulen entlang gleitet bis die Köpfe der Tragsäulen soweit in den Aufnahmen aufgenommen sind, dass die Tragsäulen mit der Plattform angehoben werden und ihren Kontakt zu dem Untergrund verlieren,
• im schwebenden Zustand der Unterbaugerüsteinheit Festlegen und Sichern der Tragsäulen an der Plattform durch Verriegelungsmittel,
• insbesondere Längeneinstellung der Tragsäulen und/oder insbesondere Montieren von Füßen an den Beinen der Tragsäulen und
• Absetzen der Plattform auf dem Untergrund, derart, dass diese mit den Tragsäulen auf dem Untergrund zu stehen kommt.

Ein derartiges Verfahren erlaubt mit Maschinenunterstützung, z.B. eines Krans oder eines Gabelstaplers, den schnellen und einfachen Aufbau von Unterbaugerüsteinheiten, bei welchen die Plattform beispielsweise eine Fläche von wenigstens 6 Quadratmetern aufweist. Hierbei ist es besonders vorteilhaft, dass die den Aufbau unterstützende Maschine die montierte Unterbaugerüsteinheit auch gleich in die gewünschte Position bringen kann und insbesondere auch zuvor Einzelteile der Unterbaugerüsteinheit von einem Transportfahrzeug abladen kann.A method according to the invention for constructing an underbody unit comprising a platform and support columns, and in particular according to at least one of claims 1 to 11, comprises the steps:

• Placing the platform on a surface,
• Adjusting or inserting the support columns into receptacles formed on the platform, in such a way that the support columns come to rest with the lower ends of their legs on the substrate,
• Lifting the platform with machine assistance, in particular a crane or a forklift, wherein the lifting takes place in such a way that the platform along with their recordings on the stationary legs of the support columns slides until the heads of the support columns are so far included in the images that the support columns be lifted with the platform and lose their contact with the underground,
• in the suspended state of the substructure unit setting and securing the support columns to the platform by locking means,
• in particular length adjustment of the support columns and / or in particular mounting of feet on the legs of the support columns and
• Setting the platform on the ground, so that it comes to rest with the support columns on the ground.

Such a method allows, with machine assistance, eg a crane or a forklift, the quick and easy construction of sub-scaffolding units, in which the platform has, for example, an area of at least 6 square meters. In this case, it is particularly advantageous that the machine supporting the structure can also bring the mounted substructure scaffolding unit into the desired position immediately and in particular can also previously unload individual parts of the substructure scaffolding unit from a transport vehicle.

• maschinenunterstütztes Abheben der Unterbaugerüsteinheit an der Plattform von einem Untergrund, wobei das Abheben derart erfolgt, dass auch die Tragsäulen von dem Untergrund abgehoben sind,
• insbesondere Längeneinstellung der Tragsäulen und/oder insbesondere Demontage von Füßen von den Beinen der Tragsäulen und
• Lösen von Verriegelungsmitteln, welche die Tragsäulen an der Plattform festlegen und sichern,
• maschinenunterstütztes Absenken der Plattform auf den Untergrund, wobei das Absenken derart erfolgt, dass sich die Tragsäulen zunächst mit ihren Beinen auf dem Untergrund abstützen und derart fortgesetzt wird, dass die Plattform dann beim weiteren Absenken mit Aufnahmen, in denen die Tragsäulen geführt sind, an den Beinen der Tragsäulen entlang gleitet bis die Plattform auf dem Untergrund zu liegen kommt und
• schließlich Herausziehen der auf dem Untergrund stehenden Tragsäulen aus den Aufnahmen der auf dem Untergrund liegenden Plattform.

Ein derartiges Verfahren erlaubt es, mit Maschinenunterstützung, z.B. eines Krans oder eines Gabelstaplers, Unterbaugerüsteinheiten, bei welchen die Plattform beispielsweise eine Fläche von wenigstens 6 Quadratmetern aufweist, schnell und einfach abzubauen. Hierbei ist es besonders vorteilhaft, dass die den Abbau unterstützende Maschine genutzt werden kann, um die Unterbaugerüsteinheit an einen Ort zur Demontage zu bringen und auch gleich genutzt werden kann, um Einzelteile der Unterbaugerüsteinheit auf ein Transportfahrzeug zu verladen.A method according to the invention for dismantling an underbody unit comprising a platform and support columns, and in particular according to at least one of claims 1 to 11, comprises the steps:

• machine-assisted lifting of the sub-scaffolding unit on the platform from a ground, the lifting taking place in such a way that the supporting columns are also lifted off the ground,
• in particular length adjustment of the support columns and / or in particular disassembly of feet of the legs of the support columns and
• Releasing locking means which fix and secure the support columns on the platform,
• machine-assisted lowering of the platform to the ground, wherein the lowering is carried out such that the support columns are first supported with their legs on the ground and is continued such that the platform then on further lowering with recordings in which the support columns are guided to the Legs of the support columns slides until the platform comes to rest on the ground and
• finally pulling out of the support pillars standing on the ground from the recordings of the lying on the ground platform.

Such a method makes it possible, with machine assistance, for example, a crane or a forklift truck, to quickly and easily dismantle scaffolding units in which the platform has, for example, an area of at least 6 square meters. It is particularly advantageous that the degradation-supporting machine can be used to bring the sub-scaffolding unit to a place for disassembly and also used immediately to load items of sub-scaffolding unit on a transport vehicle.

In particular, it is also intended to dimension the platform in terms of its length and width such that it corresponds to the external or internal dimensions of a standard container such as a 20-foot container or a 40-foot container or a 45-foot HC container. Containers or a 45-foot PW container or a 53-foot HC container and thus have an area of in particular at least 10 square meters.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

• Figur 1: eine Seitenansicht einer ersten Ausführungsvariante einer Unterbaugerüsteinheit;
• Figur 2: eine Draufsicht auf einen Grundkörper einer Plattform der in der Figur 1 gezeigten Unterbaugerüsteinheit;
• Figur 3: eine Draufsicht auf eine Ausführungsvariante einer Plattform, wobei die Plattform einen Grundkörper und Kupplungsmittel umfasst;
• Figur 4: eine Seitenansicht der in der Figur 3 gezeigten Plattform;
• Figur 5: eine Draufsicht auf eine dritte Ausführungsvariante eines Grundkörpers, wobei der Grundkörper als Wanne ausgebildet ist, in deren Aufnahmeraum Tragsäulen, Füße und Kupplungsmittel aufgenommen sind;
• Figur 6a bis 6h: den Ablauf beim Aufbau eines Unterbaugerüsts;
• Figur 7: ein aus drei Unterbaugerüsteinheiten bestehendes Unterbaugerüst mit einem darauf aufgebauten Oberbaugerüst;
• Figur 8a, 8b: eine Seitenansicht auf die Darstellung der Figur 7 und eine modifizierte Seitenansicht auf die Darstellung der Figur 7 und
• Figur 9: eine Draufsicht auf die Darstellung der Figur 7.

Show it

• FIG. 1 a side view of a first embodiment of an underbody scaffolding unit;
• FIG. 2 : A top view of a main body of a platform in the FIG. 1 shown substructure scaffolding unit;
• FIG. 3 a plan view of a variant of a platform, wherein the platform comprises a base body and coupling means;
• FIG. 4 : a side view of the in the FIG. 3 shown platform;
• FIG. 5 a plan view of a third embodiment of a base body, wherein the base body is designed as a trough, in the receiving space support columns, feet and coupling means are received;
• FIGS. 6a to 6h : the process of building an underbody scaffolding;
• FIG. 7 a substructure consisting of three substructure scaffolding units with an upper scaffolding erected thereon;
• Figure 8a, 8b : a side view on the representation of the FIG. 7 and a modified side view on the illustration of FIG. 7 and
• FIG. 9 : a top view of the illustration of the FIG. 7 ,

In the FIG. 1 is a first embodiment of an underbody scaffolding unit 1 shown in side view. The sub-scaffolding unit 1 comprises a platform 2 and four support columns 3 to 6, wherein the support columns 3, 4, the support columns 5, 6 in the illustration of FIG. 1 cover. The platform 2 comprises a top 7, a bottom 8 and four receptacles 9 to 12, wherein the receptacles 9, 10, the receptacles 11, 12 in the representation of FIG. 1 cover.

Each supporting column 3 to 6 comprises a leg 3a to 6a, a head 3b to 6b and a foot 3c to 6c. All support columns 3 to 6 can be connected in pairs with the receptacles 9 to 12. The receptacles 9 to 12 are formed as passage guides 9a to 12a, which pass through the platform 2 from its top 7 to its bottom 8 vertically. Here, in each case a receptacle 9 to 12 and a support column 3 to 6 are adapted to one another such that the support column 3 to 6 with its leg 3a to 6a from the top 7 of the platform 2 in the receptacle 9 to 12 can be inserted and through the platform. 2 through at the bottom 8 is pushed out until the head 3b to 6b of the support column 3 to 6 in the region of the receptacle 9 to 12 in a coupling position K. Here, each head 3b to 6b on a head shell KOT3b to KOT6b each have a bottom U3b to U6b, with which this in the in the FIG. 1 shown coupling position K rests against the top 7 of the platform 2. Each head 3b to 6b is formed such that it projects with its top shell KOT3b to KOT6b over a lateral surface M3a to M6a of the leg 3a to 6a of the support column 3 to 6 circumferentially transversely or radially to a longitudinal axis L3 to L6 of the support column 3 to 6 , Here, the head is 3b to 6b with its head shell KOT3b to KOT6b radially circumferentially on the lateral surface M3a to M6a of the support column 3 to 6 on and prevents the support column 3 to 6 in a insertion ER further inserted into the platform 2 and through the Platform 2 is pushed through.

According to an embodiment variant, not shown, it is also provided to form the underside of the top head cone-shaped and the top of the platform in such a way that it forms a corresponding, cone-shaped portion in the recording. Thus come in the coupling position, the cone-shaped underside of the head shell and the conical portion of the receptacle to each other to the plant. As a result, then automatically adapted centering of the support column on the platform with adapted design of the forms.

Basically, the bottom of the top of the head of the head of the support column and the top of the platform are adapted to each other that the underside of the head shell at the top of the platform in the coupling position with flat Contact is present, so that further pushing of the support column is prevented by the inclusion of the abutting on the platform top shell.

To secure in the FIG. 1 shown coupling positions K comprises the sub-scaffolding unit 1 locking means 13 to 16, through which the support column 3 to 6 in its coupling position K with the platform 2 on a protruding below the platform 2 head base KUT3b to KUT6b, which merges into the leg 3a to 6a, lockable in that the support column 3 to 6 is fixedly fixed to the platform 2 between head plates K3b to K6b of the heads 3b to 6b formed by the head tops KOT3b to KOT6b and the locking means 13 to 16. The locking means 13 to 16 each comprise a bolt 13a to 16a, which is insertable into a through hole 3d to 6d, wherein the through hole 3c to 6c is arranged in a transition region in which the support column 3 to 6 from its head 3b to 6b in her Leg 3a to 6a passes. Here, the platform 2 rests with its underside 8 on the locking means 13 to 16. As a result, the platform 2 is fixed between the top plates K3b to K6b and the locking means 13 to 16, so that the support columns 3 to 6 can be moved relative to the platform 2 neither in the insertion direction ER nor against the insertion direction ER. For the stability of the sub-scaffolding unit 1 further contributes that the support columns 3 to 6 with their head bases KUT3b to KUT6b over a guide length FL, which is at least 10 cm and in particular at least 15 cm in the formed as a passage guides 9a to 12a shots 9 to 12 of Platform 3 are guided. In this case, the through-guides 9a to 12a and the head lower parts KUT3b to KUT6b are adapted to each other so that the head lower parts KUT3b to KUT6b are guided safely yet smoothly. The bolts 13a to 16a each include a through hole 13b to 16b, in each of which an unillustrated locking pin can be inserted. On a base 2a of the platform 2 four anchor means 17 to 20 are arranged, to which a direction indicated by dashed lines harness G of a crane, not shown, can be coupled. The anchor means 17 to 20 are arranged on the platform 2 such that the harness G connected to the anchor means 17 to 20 is laterally offset from the longitudinal axes L9 to L12 of the receptacles 9 to 12. Basically, the anchor means 17 to 20 are arranged such that the longitudinal axis L9 to L12 and the harness G run past each other.

As in the Figures 6f to 6h shown schematically, it is also provided that the locking means and in particular the bolt of the locking means rests on both sides of the support column on the platform and in particular on the underside of the platform.

In the FIG. 2 is the base 2a of the platform 2 shown in plan view as a single part. In the plan view, the receptacles 9 to 12, which are designed as through-holes 13b to 16b, can be seen. Furthermore, in synopsis with the FIG. 1 recognizable that the base body 2a is designed as a trough 21. The trough 21 comprises a peripheral edge 22, wherein the receptacles 9 to 12 are positioned in the region of the edge 22 of the trough 21 and wherein the anchor means 17 to 20 are arranged on an inner side 22 a of the edge 22 in a receiving space 23 of the trough 21.

In the FIG. 3 is shown in plan view an embodiment of a platform 102, which is part of an underbody repair unit 101. The platform 102 comprises, in addition to a main body 102a, two coupling means 102b and 102c. The main body 102a comprises two T-slots 124a and 124b, in which the two coupling means 102b and 102c are slidably received. By means not shown, the two coupling means 102b and 102c can be fixed to the main body 102a. The coupling means 102b and 102c each comprise a carrier 125 or 126 and a slide 127 or 128. In this case, the slide 127 or 128 on the carrier 125 or 126 transversely to a profile of the T-slots 124a and 124b in y- Direction or y'-direction movable. Each slide 127 or 128 has receiving means 129a, 129b or 130a, 130b, into which in each case a first vertical frame 802 and a second vertical frame 803 of an upper scaffolding system 801 can be adjusted. By a displacement of the carriers 125, 126 in the x-direction or x'-direction and the slide 127, 128 in the y-direction or y'-direction, the substructure scaffolding unit 1 can be adjusted such that the vertical frame 802, 803 constructive Oberbaugerüstsystem 801 on a facade 902 of a building 901 can be aligned according to the requirements. Depending on the dimensions of the main body 102a, it is provided that the platform 102 also comprises three or four coupling means so that more than one scaffolding panel GF801 of the scaffolding system 801 is supported or can be built on an underbody unit.

In the FIG. 4 is the one from the FIG. 3 known platform 102 shown in side view, wherein the side view is executed in the direction of the arrow IV and the vertical frame 802, 803 are shown cut off. In the side view it can be seen how the slides 127, 128 are guided in the supports 125, 126 and how the supports 125, 126 are guided in the T-slots 124a and 124b. As already mentioned, the carriers 125, 126 can be fixed to the main body 102a and the sliders 127, 128 can be fixed to the carriers 125, 126, so that the vertical frames 802, 803 of the upper scaffolding system 801 are immovably fixed to the lower scaffolding unit 101 or one after being fixed are held from several substructure scaffolding units formed substructure.

In the FIG. 5 a third embodiment variant of an underbody unit 201 is shown in plan view, wherein a base 202a of a platform 202 is designed as a trough 221 and wherein support columns 203 to 206, coupling means 202b, 202c and feet 203c to 206c for the support columns 203 to 206 for transport into a receiving space 223 of the tub 221 are inserted. Between receptacles 209, 210 and 211, 212, which are embodied in a circumferential edge 222 of the trough 221 or of the main body 202a, are indicated by lines T-slots 224a and 224b, which are formed on the main body 202a. In this combination, the substructure unit 201 forms a compact transport unit T201, wherein the trough 221 is dimensioned so that none of the mentioned components protrude beyond an upper side 207 of the main body 202a. The platform 202 or the main body 202a comprises holding means HM1 to HM6, which are arranged in the receiving space 223. At these holding means HM1 to HM6, the support columns 203 to 206, the coupling means 202b, 202c and the feet 203c to 206c for the transport of the sub-scaffolding unit 201 are attached. In this case, the holding means HM1 to HM6 are arranged on a trough bottom 223a of the receiving space 223 and the mentioned components are completely accommodated in their transport position in a volume V223 of the receiving space 223 of the trough 221.

Accordingly, it is possible - as in the FIG. 6a - To stack a plurality of sub-scaffolding units 201, 201a, 201b in the form of transport units T201 on a loading area L of a vehicle F, so that only a small transport volume is required for the transport of an under scaffolding system UGS consisting of several sub-scaffolding units 201 and no loose individual parts are transported need, but the to FIG. 5 mentioned components, which includes each sub-scaffold unit 201, 201a, 201b beyond their base body 202a, are received in the receiving space 223 of the main body 202a, as described in detail in the FIG. 5 is shown.

According to an embodiment variant, not shown, it is provided that the base body also has at least one closable transport compartment, in which small parts such as locking means and locking pins are receivable.

In the Figures 6a to 6h is shown in individual steps by way of example to the substructure unit 201 as are built on the vehicle in the form of transport units substructure scaffolding units, then from a plurality of built substructure scaffolding units 201 of the substructure scaffolding system UGS a substructure UBG (see exemplary illustrations of FIGS. 7 to 9 ) to create.

In the already mentioned FIG. 6a is shown as the substructure unit 201 or transport units T201 is unloaded by means of a car crane AK of the vehicle F of the loading area L. For this purpose, the main body 202a is connected via a harness G with a hook HK of the car crane AK. In the FIG. 6a the main body 202a of the substructure unit 201 with its underside 208 still floats above a ground U. The harness G is over from the FIG. 1 known anchoring means, not shown, of the main body 202a releasably connected thereto.

In the FIG. 6b is the main body 202a, in its receiving space 223, the remaining components of the sub-scaffolding unit 201 - as in the FIG. 5 shown - with its underside 208 then on the substrate U, wherein the substrate U for the sake of clarity of the illustrations slightly spaced from the bottom 208 is shown.

In an intermediate step, not shown, now the support columns 203 to 206 and coupling means 202b, 202c removed from the receiving space 223 and inserted with the lower ends of their legs 203a to 206a in the receptacles 209 to 212 or attached to the main body 202a. In this case, the receptacles 209 to 212 and the support pillars 203 to 206 configured in the base body 202a are designed so that the support pillars 203 to 206 are held tip-over in the base body 202a as soon as they are in the seats 209 when the base body 202a is lying on the ground U to 212 are plugged to the underground U. This condition is in the FIG. 6c shown.

In the FIG. 6d is now shown how the main body 202a together with the coupling means mounted thereon 202b and 202c of the truck crane by means of the harness G is raised and this with his recordings 209 to 212 on the still standing on the underground U support columns 203 to 206 in the direction of arrow z upwards slides. Conversely, the support columns 203 to 206 in this case in a Einschieberichtung ER (see FIG. 6d ) are inserted into the receptacles 209 to 212 of the platform 202a.

This raising of the main body 202a is continued until the main body 202a abuts on top plates K203b to K206b, which form top headers KOT3b to KOT6b of the heads 203b to 206b of the support columns 203 to 206 (see FIG FIGS. 6d and 6e ) and not further in the z-direction can slide along this.

As from the synopsis of FIGS. 6e and 6f As can be seen, the main body 202a is lifted by the mobile crane by means of the harness G with entrainment of the support columns 203 to 206 further in the z-direction and thereby lifted completely from the substrate U. Once the sub-scaffolding unit 201 (as in the FIG. 6f ) is lifted from the substrate U, the support columns 203 to 206 can be determined and secured by inserting locking means 213 to 216 on the base 202 a (see FIG. 6f ) and the feet 203c to 206c (see FIG. 6g ) to be assembled. The locking means 213 to 216 are shown only schematically. Of course, the locking means 213 to 216 rest against an underside of the platform 202, so that the support columns 203 to 206 are then held in a secure manner against the platform 202 in all spatial directions. According to an embodiment not shown, it is also provided to dimension the feet so that they can already be mounted on the legs of the support columns when the support columns are set in the recordings of the platform. Furthermore, when the substructure unit 201 is suspended, the support columns 203 to 206 designed as telescopic columns can be set to their desired lengths (see FIG FIG. 6g ). Subsequently, the sub-scaffolding unit 201 - as in the FIG. 6h shown - set off in its intended dimensions of the truck crane on the ground U. In a last step, the substructure unit 201 is then decoupled from the harness G. Preferably, the sub-scaffolding unit 201 is already deposited at the intended location before decoupling from the mobile crane.

The construction described can be carried out with the aid of a car crane simply by one or two workers. Disassembly of the sub-scaffolding unit 201 is performed in the reverse order.

In the FIG. 7 The substructure UBG formed from the three substructure units 201, 201a and 201b of the substructure scaffolding system UGS is now shown in side view, on which an upper scaffolding OBG is constructed from a scaffolding system 801 comprising six vertical frames 802 to 807 and five scaffolding consoles 808 to 812 , In this case, the coupling means 202b and 202c of the individual substructure units 201, 201a, 201b are aligned with one another in such a way that the superstructure OBG is tension-free in the desired position on the substructure UBG. The vertical frames 802 to 807 are received in plug-in receptacles S1 to S12 of the coupling means 202b and 202c.

Notwithstanding that in the Figures 6a to 6h shown basic body has in the FIG. 7 illustrated basic body 202a of the substructure unit 201 to explain a variant on a longitudinal side 231 two recesses 232 and 233, in which a fork of a lift truck, not shown, is inserted. As a result, it is possible to build or dismantle and / or displace the scaffolding unit 201 with the aid of a forklift truck instead of a truck crane.

Furthermore, the substructure scaffolding system UGS comprises clamping means, which are shown by way of example as clamping means 234, 235 and 236. These connect the sub-scaffolding units 201b and 201a and 201a and 201 with each other. With respect to the clamping means 234, 235 and 236 is also on the FIG. 9 referenced, in which the in the FIG. 7 shown arrangement in a sectional plan view corresponding to the section line IX-IX is shown. The clamping means 234 connects the head 204b of the support column 204 and the head 206b of the support column 206 of the substructure unit 201 with the head 203b of the support column 203 and the head 205b of the support column 205 of the substructure unit 201a. For this purpose, the clamping means 234 comprises a bracket formed as a bridge 234a and four pins 234b to 234e connected to the bridge 234a, which are fastened parallel to one another on the bridge 234a in such a way that, when the substructure units 201 and 201a in FIG Holes B203b to B206b of said heads 203b to 206b are inserted and fix the substructure units 201 and 201a at a desired distance from each other. Here, the clamping means 234 is designed so that it covers with its bridge 234a formed between the substructure units 201 and 201a gap SP1 and forms a cover. The clamping means 235 and 236 are designed such that they connect only two heads of adjacent substructure units 201a and 201b. Alternatively, it is also provided that the clamping means 234 is anchored in each sub-scaffolding unit 201, 201a with only one pin. As a result, the clamping means 234 can be inserted and / or withdrawn more easily when the substructure units 201, 201a are not optimally aligned with one another.

In the FIG. 8a is according to the arrow VIIIa a side view from the right to in the FIG. 7 shown arrangement shown. In this view, it can be seen how the plug-in receptacles S1 and S7 of the coupling means 202b and all other plug-in receptacles of the coupling means hidden by the coupling means 202b coupling means are aligned in a first position ST1 such that built on the substructure UBG from the Oberbaugerüstsystem 801 Oberbaugerüst OBG a facade 902 of a building 901 comes as close as possible.

In the FIG. 8b is shown as the built on the substructure UBG Oberbaugerüst OBG with the sockets S1 and S7 of its coupling means 202b and all other mating receptacles of the clutch means 202b concealed coupling means in a second position ST2, which of the in the FIG. 8a is different, are aligned such that its orientation of a facade 904 of another building 903 is adapted, which has a first floor 905 which projects over a ground floor 906.

LIST OF REFERENCE NUMBERS

1

Under scaffolding unit

2

platform

2a

body

3 - 6

support column

3a-6a

Leg of 3 - 6

3b - 6b

Head from 3 - 6

3c - 6c

Foot of 3 - 6

3d - 6d

Through hole from 3 - 6

7

Top of 2 or 2a

8th

bottom

9 - 12

Shown in 2a for 3 - 6

9a - 12a

Passage guide

13 - 16

locking means

13a - 16a

bolt

13b - 16b

Through hole in 3 to 6

17 - 20

anchor means

21

tub

22

circumferential edge of 21

22a

Inside of 22

23

Recording room of 21

101

Under scaffolding unit

102

platform

102

body

102b, 102c

coupling agent

124a, 124b

T-slot in 102a

125, 126

Carrier of 102b, 102c

127, 128

Slider of 102b, 102c

129a, 129b

Reception means of 127

130a, 130b

Reception means of 128

201

Under scaffolding unit

201a, 201b

further substructure scaffolding unit

202

platform

202a

body

202b - 202c

coupling agent

203-206

support column

203a - 206a

leg

203b-206b

head

203c - 206c

foot

207

Top of 202a

208

bottom

209 - 212

admission

213 - 216

locking means

221

tub

222

Edge of 221

223

Recording room of 221

223a

Wannenboden

224a, 224b

T-slot in 202a

231

long side

232, 233

Recesses 232 and 233

234

clamping means

234a

Bridge of 234

234b - 234e

Pin of 234

235, 236

clamping means

801

Upper scaffolding system

802-807

vertical frame

808 - 812

A scaffolding support

901

building

902

facade

903

building

904

facade

905a

first floor of 903

906

Ground floor of 903

AK

Autokran

B203b -B206b

Bore from 203b to 206b

HE

insertion

F

vehicle

FL

guide length

G

dishes

GF 801

scaffold

HK

hook

HM1 - HM6

holding means

K

coupling position

K3b - K6b

Headstock from 3 to 6

K203b - K206b

Headstock from 203 to 206

KOT3b - KOT6b

Head shell

KUT3b - KUT6b

Head lower part

L

load area

L3 - L6

Longitudinal axis of 3 - 6

L9 - L12

Longitudinal axis of 9 - 12

M3a - M6a

Lateral surface of 3a - 6a

OBG

upper Scaffolding

S1 - S12

plug-in receptacle

ST1, ST2

first, second position of 202b

SP1

Gap between 201 and 201a

T201

transport unit

U

underground

UBG

under scaffolding

UGS

Under scaffolding system

U3b - U6b

Bottom of KOT3b - KOT6b

V223

Volume of 223

x, x ', y, y', z, z '

arrow

Claims (14)

1. Sub-scaffold unit (1; 101; 201, 201a, 201b) comprising,

   - A platform (2; 102; 202) and at least three support columns (3 - 6; 203 - 206),

   - wherein the platform (2; 102; 202) comprises an upper side (7; 207), a lower side (8; 208) and receptacles (9 - 12; 209 - 212),

   - wherein the receptacles (9 - 12; 209 - 212) are designed as passage guides which traverse the platform (2; 102; 202) from the upper side (7; 207) to the lower side (8; 208),

   - wherein each receptacle (9 - 12; 209 - 212) and support column (3 - 6; 203 - 206) fit each other in such a way that the leg (3a - 6a; 203a - 206a) of the support column (3 - 6; 203 - 206) can be inserted from the upper side (7; 207) of the platform (2; 102; 202) into the receptacle (9 - 12; 209 - 212) and can be pushed out of the platform (2; 102; 202) from its lower side,
   (8; 208),

   - wherein each support column (3 - 6; 203 - 206) comprises a leg (3a - 6a; 203a - 206a) and a head (3b - 6b; 203b - 206b),

   - wherein the support columns (3 - 6; 203 - 206) can be coupled in pairs with their heads (3b - 6b; 203b - 206b) with the receptacles (9 - 12; 209 - 212),

   - wherein the support column (3 - 6; 203 - 206) can be pushed through the platform (2; 102; 202) so that it emerges out of the lower side (8; 208) until the head (3b - 6b; 203b - 206b) of the support column (3 - 6; 203 - 206) in the region of the receptacle (9 - 12; 209 - 212) is in a coupling position (K),

   - wherein the sub-scaffold unit (1; 101; 201, 201a, 201b) comprises locking elements (13 - 16; 213 - 216) by means of which the head (3b - 6b;
   203b - 206b) of the support column (3 - 6; 203 - 206) can be locked at the coupling position (K) of the support column (3 - 6; 203 - 206) with the platform (2; 102; 202) in such a way that the support column (3 - 6;
   203 - 206) is held securely on the platform (2; 102; 202),

   - wherein the platform (2; 102; 202) comprises a base element (2a; 102a; 202a), and

   - wherein the base element (2a; 102a; 202a) is designed as a trough (21; 221) with a peripheral rim (22; 222) in such a way that, when working on a facade, for example when cleaning the facade with a liquid, the draining liquid can be collected and diverted in a targeted manner by means of the trough (21; 221), characterized in that the head (3b - 6b; 203b - 206b) having a head upper element (KOT3b - KOT6b) that is transverse to a longitudinal axis (L3 - L6) of the support column (3 - 6; 203 - 206) and laterally laps over a lateral surface (M3a - M6a) of the leg (3a - 6a; 203a - 206a), wherein the support column (3 - 6; 203 - 206) in the coupling position (K) is inserted so far into the receptacle (9 - 12; 209 - 212) that its head (3b - 6b; 203b - 206b), with the lower side (U3b-U6b) of its head upper element (KOT3b - KOT6b), rests on the platform (2; 102; 202) blocking further insertion in the insertion direction (ER), wherein the support column (3 - 6; 203 - 206) and the platform (2; 102; 202) can be connected in the coupling position (K) of the support column (3 - 6; 203 - 206), by means of the locking element (13 - 16; 213 - 216), in such - way that the platform (2; 102; 202) between the head (3b -6b; 203b - 206b) and the locking element (13 - 16, 213 - 216) is securely held.
2. Sub-scaffold unit according to claim 1, characterized in that the platform (2; 102; 202) has at least three anchoring means (17 - 20) which can be coupled to a lifting gear (G) of a crane (AK), wherein the anchoring means (17 - 20) are particularly arranged in such a way that the lifting gear (G) is connected to the anchoring means (17 - 20), wherein the lifting gear is fixed in a laterally offset position from the imaginary extensions of the longitudinal axes (L9 - L12) of the receptacles (9 - 12; 209 - 212).
3. Sub-scaffold unit according to claim 2, characterized in that the receptacles (9 - 12; 209 - 212) are located in the region of the rim (22; 222) of the trough (21; 221) and wherein the anchoring means (17 - 20) are located in particular on an inner side (22a) of the rim (22; 222).
4. Sub-scaffold unit according to claim 1, characterized in that the platform (2; 102; 202) comprises the base element (2a; 102a; 202a) and coupling means (102b, 102c; 202b; 202c), wherein the coupling means (102b, 102c; 202b; 202c) are arranged in such a way on the upper side (7; 207) of the base element (2a; 102a; 202a) that vertical frames (802 - 807) of a superstructure scaffolding system (801) can be connected to the coupling means (102b; 102c; 202b; 202c) in such a way that at least one scaffold field (GF801) of the superstructure scaffold (OBG) can be mounted on the platform (2; 102; 202) of the sub-scaffold unit (1; 101; 201, 201a, 201b).
5. Sub-scaffold unit according to claim 4, characterized in that the coupling means (102b, 102c; 202b; 202c) can be displaced individually or jointly from a first position (ST1) into at least one further position (ST2) with respect to the base element (2a; 102a; 202a), and can be locked, in particular, to the base element (2a; 102a; 202a).
6. Sub-scaffold unit according to claim 4, characterized in that the coupling means (102b, 102c; 202b; 202c) comprise plug-in receptacles (S1 - S12) in which vertical frames (802 - 807) of the superstructure scaffolding system (801) can be adjusted or that the coupling means (102b, 102c; 202b; 202c) comprise securing and/or adjusting means, with which the adjusting feet of the vertical frames of the superstructure scaffolding system (801) can be fixed and/or positioned on the sub-scaffold unit (1; 101; 201, 201a, 201b).
7. Sub-scaffold unit according to claim 1, characterized in that the support columns (3 - 6; 203 - 206) are telescopic and comprise, at a lower end of their legs (3a - 6a; 203a - 206a), a foot (3 c - 6c; 203c - 206c) which, in particular, can be removed.
8. Sub-scaffold unit according to claim 1, characterized in that the platform (2; 102; 202) comprises holding elements (HM1 - HM6) in which the support columns (3 - 6; 203 - 206) can be affixed for transporting the sub-scaffold unit (1; 101; 201, 201a, 201b), wherein the holding elements (HM1 - HM6) are in particular arranged on the trough floor (223a) in the case of the base element (2a; 102a; 202 A) of the platform (2; 102; 202) being designed as a trough (23; 223), so that under transportation the support columns (3 - 6; 203 - 206) are completely accommodated within the volume (V223) of the trough (23; 223).
9. Sub-scaffold unit according to claim 1, characterized in that the platform (2; 102; 202) features one or more recesses (232, 233) on at least one longitudinal side (231), into which a fork of a forklift can be inserted, wherein the recesses (232, 233) are designed in such a way that the fork can be inserted, in particular avoiding the exercise of a tilting moment acting on the platform (2; 102; 202).
10. Sub-scaffold unit according to claim 1, characterized in that the locking elements (13 - 16; 213 - 216) traverse the leg (3a - 6a; 203a - 206a) of the support column (3 - 6; 203 - 206) and bear against the platform (2; 102; 202), wherein the locking elements (13 - 16; 213 - 216) and, in particular, a bolt (13 a - 16a) of the locking elements (13 - 16; 213 - 216), in particular on both sides of the support columns (3 - 6; 203 - 206), bear against the platform (2; 102; 202).
11. Sub-scaffold system (UGS) characterized in that the sub-scaffold system (UGS) comprises at least two sub-scaffold units (1; 101; 201, 201a, 201b) according to at least one of the preceding claims.
12. Sub-scaffold system (UGS) according to claim 11, characterized in that the sub-scaffold system (UGS) comprises at least one clip means (234, 235, 236), wherein the clip means (234, 235, 236) connects two adjacent sub-scaffold units 201, 201a; 201a, 201b), and wherein the clip means (234, 235, 236) in particular is designed in such a manner that it connects at least one head (204b, 206b) of the support columns (204, 206) of the first sub-scaffold unit (201) to at least one head (203b, 205B) of the support columns (203, 205) of the second, adjacent sub-scaffold unit (201a) and, for this purpose, comprises, in particular, at least one bridge (234a) and at least two pins (234b - 234e), wherein the pins (234b - 234e) are held in a predetermined arrangement through the bridge (234a), and wherein the pins (234b - 234e) can be inserted into the heads (203b - 206b) of the support columns (203 - 206), and the sub-scaffold units (201, 201a) through the pins (234b - 234e) are held relative to one another in a position predetermined by the arrangement of the pins (234b -234e).
13. Method for assembly of a sub-scaffold unit (1; 101; 201, 201a, 201b)
    that is designed according to at least one of claims 1 to 10,
    comprises the following steps:

    - placing the platform (2; 102; 202) on a subsurface (U)

    - adjusting the support columns (3 - 6; 203 - 206) in receptacles (9 - 12; 209 - 212) of the platform (2; 102; 202) in such a way that the legs (3a - 6a; 203a - 206a) of the support columns (3 - 6; 203 - 206) come to rest with their lower end on the subsurface (U),

    - lifting of the platform (2; 102; 202) in such a way that the platform (2; 102; 202) with its receptacles (9 - 12; 209 - 212) slides along on the legs (3a -6a; 203a - 206a) of the support columns (3 - 6; 203 - 206) until the heads (3b - 6b; 203b - 206b) of the support columns (3 - 6; 203 - 206) are mounted in the receptacles (9 - 12; 209 - 212) to such an extent that the support columns (3 - 6; 203 - 206) are lifted together with the platform and lose their contact with the subsurface (U),

    - fixing and securing the support columns (3 - 6; 203 - 206) by means of locking elements (13 - 16; 213 - 216) on the platform (2; 102; 202),

    - in particular, length adjustment of the support columns (3 - 6; 203 - 206) and/or, in particular, mounting of feet (3c - 6c; 203c - 206c) on the legs (3a -6a; 203a 206a) of the support columns (3 - 6; 203 - 206), and

    - placing the platform (2; 102; 202) on the subsurface (U)
14. Method for disassembly of a sub-scaffold unit (1; 101; 201, 201a, 201b)
    that is designed according to at least one of claims 1 to 10,
    comprises the following steps:

    - lifting of the sub-scaffold unit (1; 101; 201, 201a, 201 b) on the platform (2; 102; 202) from the subsurface (U) in such a way that the support columns (3 -6; 203 - 206) are also lifted from the subsurface (U),

    - in particular, length adjustment of the support columns (3 - 6; 203 - 206) and/or, in particular, disassembly of the feet (3c - 6c; 203c - 206c) from the legs (3a - 6a; 203a - 206a) of the support columns (3 - 6; 203 - 206),

    - release of the locking elements (13 - 16; 213 - 216) which fix and secure the support columns (3-6; 203 -206) to the platform (2; 102; 202),

    - lowering of the platform (2; 102; 202) onto the subsurface (U) in such a way that the support columns (3 - 6; 203 - 206) are at first retained with their legs (3a - 6a; 203a - 206a) on the subsurface (U) and in such a way that the platform (2; 102; 202) during further lowering with the receptacles (9 - 12; 209 - 212), inside which the support columns (3 - 6; 203 - 206) are guided, slide along on the legs (3a - 6a; 203a - 206a) of the support columns (3 - 6; 203 - 206) until the platform (2; 102; 202) comes to rest on the subsurface (U),

    - extraction of the support columns (3 - 6; 203 - 206) that are standing on the subsurface (U) from the receptacles (9 - 12; 209 - 212) of the platform (2; 102; 202) which is lying on the subsurface (U).

Images