CN113950559A

CN113950559A - Scaffold connection, scaffold panel, scaffold column and scaffold rod and method for producing scaffold panel

Info

Publication number: CN113950559A
Application number: CN202080040498.8A
Authority: CN
Inventors: 埃尔扎德·米基奇
Original assignee: Peri SE
Current assignee: Peri SE
Priority date: 2019-06-13
Filing date: 2020-06-03
Publication date: 2022-01-18
Also published as: DE102019116119A1; MX2021015456A; WO2020249439A1; EP3983625A1

Abstract

The invention relates to a scaffold joint (10) having a scaffold column (12) with scaffold tubes (16) and scaffold faceplates (18), and a scaffolding rod (14) with a rod section (20), a plug (22) for insertion into a receiving cutout (24) of the scaffolding faceplate (18), and a fastening element (26), the fastening element (26) is rotatably held on the lever section (20), such that the fastening element (26) can be brought into a fastening position when the plug pin (22) is inserted into the receiving cutout (24), in which the fastening element (26) engages under the scaffold faceplate (18) and the fastening element (26) can be brought into a release position, in the release position, the fastening element (26) is not engaged under the scaffold faceplate (18). The invention also relates to a scaffold faceplate (18) in the form of a bent sheet metal piece and having a main section (62), the main section (62) extending in a main plane and having at least one receiving cut (24) formed in the main section (62) for a plug pin (22), and the bent sheet metal piece having at least one reinforcing section (64, 66) angled relative to the main section (62). The invention further relates to a scaffolding bar (14) having a bar section (20) and a bolt (22) protruding from the bar section (20), wherein the scaffolding bar (14) further has a fastening element (26), the fastening element (26) being rotatably held on the bar section (20). Finally, the invention relates to a method for producing a scaffold panel (18), comprising the following steps: -providing a blank of a panel, -bending at least one free edge region of the blank such that the bent edge region is angled relative to the main section (62) to form a reinforcing section (64, 66).

Description

Scaffold connection, scaffold panel, scaffold column and scaffold rod and method for producing scaffold panel

The invention relates to a scaffold node, a scaffold faceplate, a scaffold pillar and a scaffold cross bar. The invention also relates to a manufacturing method of the scaffold flower disc.

Scaffolding is used, for example, as a support for supporting loads, and as a working scaffolding, particularly as an exterior wall scaffolding, providing a working platform for workers. The two scaffold posts of a scaffold are usually releasably interconnected by scaffold rails. The connection between the scaffold posts and the scaffold rails is called a scaffold node. For this purpose, the scaffold struts can each have a scaffold disc into which the scaffold cross bars engage by means of their respective pins. Such scaffold flower discs are usually designed as stampings and are welded to scaffold tubes of the scaffold struts. However, for sufficient stability, such stamped faceplates must be very thick, typically having a thickness of at least 6 mm. However, there is an increasing demand for lightweight scaffolding systems. If the wall thickness of the scaffold struts is reduced for weight reduction, it is difficult to weld very thick stamped scaffold faceplates to scaffold tubes of significantly thinner walls because the two heat absorbing capacities differ significantly.

It is an object of the present invention to provide a scaffolding node that provides high security in use. It is a further object of the present invention to provide a lightweight and stable assembly for such a scaffold node.

It is a further object of the present invention to provide a method that enables cost-effective and efficient production of stable and lightweight scaffold face plates.

According to the present invention, these objects are achieved by a scaffold node according to claim 1, a scaffold rosette according to claim 3, a scaffold post according to claim 8, a scaffold crossbar according to claim 10, and a method according to claim 17. The respective dependent claims disclose advantageous embodiments.

Scaffold node according to the invention

The scaffold node according to the invention has a scaffold strut with a scaffold tube and a scaffold rosette. In the assembled state of the scaffold node, the scaffold tubes extend generally in the vertical direction. At least one notch receptacle is formed in the scaffold faceplate. The scaffold node also has a scaffold crossbar with a stem portion, a plug for insertion into a notched receptacle of the scaffold faceplate, and a retaining element. In the assembled state of the scaffold node, the rod portions extend generally in a transverse direction. In particular, in the assembled state, the rod portion preferably extends at right angles to the scaffolding tube. The pole section is generally arranged above the scaffold disc and preferably rests directly thereon. The latch typically projects at a substantially right angle from the shank portion. In the assembled state of the scaffold node, the bolt protrudes through the scaffold faceplate, preferably from top to bottom. The retaining elements serve to fix the scaffold crossbar to the scaffold posts such that the scaffold crossbar cannot be unintentionally separated from the scaffold posts. The retaining element is retained on the stem portion in a manner that allows rotation. In the assembled state, the holding element is usually able to rotate laterally. In the assembled state, the holding element is in particular rotatable relative to the rod portion about a vertically extending rotation axis. The holding element can be brought into a securing position and a release position. The holding element can be rotated for this purpose. In the secured position, the retaining element engages under the scaffold faceplate when the plug is inserted into the recess receptacle, i.e. when the scaffold crossbar is mounted on the scaffold post. In other words, the holding element and the rod portion are arranged on opposite sides of the scaffold disc. In the release position, the retaining element is not engaged under the scaffold faceplate. Thus, the scaffold rails can be detached from and/or attached to the scaffold posts. Based on the rotational position of the holding element, it can be easily distinguished whether the holding element is in the fixed position or in the release position. This helps prevent operational errors.

The scaffold strut is preferably a scaffold strut according to the invention described below, having a scaffold rosette according to the invention described below. The scaffold rail is preferably a scaffold rail according to the invention as described below.

It is advantageously provided that the holding element can be clamped with the scaffold disc and the bar portion in the fixing position. As a result of the clamping, the components are supported without play. This can further increase the stability of the scaffold node. Furthermore, the clamping prevents the holding element from being unintentionally transferred into the release position.

Scaffold faceplate according to the invention

A scaffold faceplate also falls within the scope of the present invention. The scaffold rosette is particularly intended for use with a scaffold node according to the invention as described above. The scaffold rosette is designed in the form of a bent sheet metal piece. The curved sheet metal piece of the scaffold faceplate has a main portion extending in a main plane. In other words, the main portion is flat. At least one recess receptacle for a plug is formed in the main portion. Preferably, a plurality of recess receptacles are formed in the main portion, one for each latch. The scaffold faceplate has at least one reinforcing portion that is angled relative to the main portion. The reinforcing portion increases the stability of the scaffold disc. The main portion and the reinforcing portion are formed together substantially as a single piece. In the context of the present invention, an assembly having a material bond connection produced by one-shot forming, rather than by joining, is particularly referred to as a single piece. The scaffold faceplate preferably has a plurality of angled reinforcing portions. Typically, the plurality of reinforcing portions are angled in the same direction away from the main portion. The scaffolding faceplate is advantageously rotationally symmetrical about an imaginary axis of symmetry extending at right angles to the main section, in particular about a multiple of 90 °. Since the scaffold disk is designed as a bent sheet metal piece, it can be produced efficiently and inexpensively. As a result of the one or more reinforcing portions, the thickness of the sheet metal can be reduced compared to conventional scaffold faceplates made from flat sheet metal. The scaffold disc according to the invention can have a sheet metal thickness of about 3 mm. The sheet metal thickness of the scaffold disc according to the invention is preferably at least 2.0mm, particularly preferably at least 2.5 mm. The sheet metal thickness of the scaffold disc according to the invention is preferably at most 4.0mm, particularly preferably at most 3.5 mm. The sheet metal thickness is advantageously the same for the main part and for the at least one reinforcing part. The scaffold faceplate reinforced according to the present invention can be made significantly lighter, typically over 30% lighter, and with similar stability as compared to conventional scaffold faceplates made from flat sheet metal.

The at least one reinforcing portion preferably extends substantially at right angles to the main portion. This gives the scaffold disc a particularly high level of stability, in particular rigidity and load-bearing capacity. By substantially at right angles is meant in particular that the angle between the main portion and the reinforcement portion deviates from right angles (90 deg.) by at most 20 deg., preferably at most 15 deg., very particularly preferably at most 10 deg., most very particularly preferably at most 5 deg..

The scaffolding faceplate advantageously has two reinforcing portions extending outside the scaffolding faceplate. This further increases the stability of the scaffold disc. The outer reinforcement part can also form the outer contour of the scaffold disc. The two reinforcing portions can extend at an angle to one another, and in particular can extend in sections at right angles to one another.

It is particularly preferably provided that a joint region is formed in the corner region of the scaffold panel between the two outer reinforcing sections. In other words, the two reinforcement parts extending at the outer end are at a distance from each other in the corner regions of the main part. The engagement zone allows the retaining element of the scaffold rail to be introduced between the outer reinforcement sections and into contact with the main section. In the engagement area, the main part substantially forms the outer contour of the scaffold disc. Adjacent to this, the outer contour is usually also formed by an outer reinforcement part.

An advantageous scaffolding faceplate is characterized in that it has an internal reinforcement on the notch receptacle. This further increases the stability of the scaffold disc. The inner reinforcement portion at least sectionally surrounds the recess receptacle. Preferably a plurality of recess receptacles are formed, each recess receptacle being surrounded by an inner reinforcement portion.

Further recess channels can be formed in the main portion which are not surrounded by the reinforcement portion. Additional scaffold elements, such as vertical braces or transverse braces, can be attached to the scaffold faceplate through the notched passages.

Scaffold post according to the invention

A scaffold post, in particular for use in a scaffold node according to the invention as described above, also falls within the scope of the invention. The scaffold posts have scaffold tubes. The scaffold rosette according to the invention described above is attached, in particular welded, to the scaffold tube. The scaffolding tube is preferably a circular tube. The scaffolding tube can have a wall thickness of 2mm, in particular at least 1.5mm and at most 2.5 mm. As described above, the scaffold disc according to the invention can be made comparatively thin, i.e. in particular with a sheet metal thickness that does not differ significantly from the wall thickness of the scaffold tube, due to the reinforcement portions, so that the scaffold tube and the scaffold disc can be welded together without problems. This enables cost-effective production of high quality scaffold posts. The scaffold posts according to the invention are also very lightweight due to the possible low wall thickness or low sheet metal thickness according to the invention.

The recess receptacle can be defined in sections by the scaffold tube. The scaffold rails mounted on the scaffold posts can then advantageously be supported on the scaffold tubes to establish a rigid connection. Furthermore, the production of the scaffold disc can be simplified if the pocket receptacle is not completely defined by the main section and optionally the inner reinforcement section.

Scaffold crossbar according to the invention

Scaffold rails are also within the scope of the invention. The scaffold crossbar is particularly intended for use in a scaffold node according to the invention as described above. The scaffold rail has a bar portion and a plug. The latch projects from the lever portion. The bolt and the shank portion can extend substantially at right angles to each other. The scaffold rail also has a retaining element. The retaining element is retained on the stem portion in a manner that allows rotation. In the assembled state of the scaffold cross-bar, i.e. in particular the assembled state of the scaffold node and the scaffold cross-bar, the holding element is usually able to rotate laterally. In the assembled state, the holding element is in particular rotatable relative to the rod portion about a vertically extending rotation axis. By means of the retaining element, the scaffold crossbar can be fixed to the scaffold rosette to prevent unintentional movement. For this purpose, the holding element can be brought into (rotated into) a fixed position. For mounting or dismounting the scaffold crossbar, the holding element can be brought (rotated) into the release position.

In a particularly preferred embodiment of the scaffold crossbar, the rod portion has a stop for the retaining element. The stops make it easier to handle the scaffold rails and help prevent mistakes being made in building the scaffold node from the scaffold rails. The stop can define a fixed position and/or prevent the retaining element from rotating (starting from the release position) beyond the fixed position.

The support section for the holding element is preferably formed on the shaft section. The holding element can be supported on the support section when the holding element is in the fixed position. The support section is advantageously formed as a single piece with the rod portion. In particular, the rod portion and the support section can be designed as a bent sheet metal piece. This simplifies production and increases the stability of the scaffold rail.

The holding element can have a support portion to be supported on the support section and a fastening portion for engaging under the scaffold faceplate. The retaining element can be mounted in a manner that allows rotation between the support portion and the fastening portion.

The scaffolding crossbar preferably has clamping means for clamping the retaining element to the pole portion. By means of the clamping device, the holding element can be supported without any play on the bar part and the scaffold disc. This can further increase the stability of the scaffold node with scaffold rails. Furthermore, the clamping can prevent the holding element from being unintentionally transferred into the release position. The holding element can in particular be clamped onto the support section of the rod section. The clamping means advantageously comprise a screw.

The holding element can be designed in the manner of a rocker and/or a lever, which can be tilted to clamp around the contact line of the holding element with the rod portion, in particular the support portion of the holding element with the support section of the rod portion.

The holding element is preferably rotatable about the clamping device. This makes the construction of the scaffolding crossbar compact and simple. The holding element can in particular have a bore between the support part and the fastening part, through which bore the fastening device is guided.

The rod part and the plug pin are preferably designed as one piece with each other, in particular as a bent sheet metal piece. This allows cost effective and efficient production. Furthermore, such scaffold rails are very stable.

A first contact portion and a second contact portion for contacting the scaffold tube can be formed on the latch. A third contact portion for contacting the scaffold tube can be formed on the stem portion. The contact portions allow for precise alignment of the scaffold rails with respect to the scaffold tubes. The third contact portion is preferably remote from the first and second contact portions, in particular at least 5cm, preferably at least 10 cm. This increases the rigidity of the connection between the scaffold rail and the scaffold tube. The first contact portion and the second contact portion are advantageously formed near the free end of the plug. The contact portion can in particular be formed by a free edge of a scaffold rail designed as a bent sheet metal piece.

Manufacturing method according to the invention

Finally, a method for producing a scaffold disc, in particular a scaffold disc according to the invention as described above, falls within the scope of the invention. The method comprises the following steps:

-providing a blank of a panel,

-bending at least one free edge region of the blank such that the bent edge region is angled with respect to the main portion as a reinforcing portion.

The present method also allows for a cost-effective production of stable and lightweight scaffold face plates. The blank is substantially flat before the edge region is bent. The blank can be a stamping. One or more notches can be provided in the blank.

By the following further steps:

welding the scaffold rosette to the scaffold tube,

the method can be extended to a method of manufacturing a scaffold post according to the invention as described above.

Further features and advantages of the invention appear from the description and the accompanying drawings. The features mentioned above and those described in detail below can be used in accordance with the invention either individually or collectively in any combination. The embodiments shown and described are not to be understood as an exhaustive list, but rather as having exemplary features for describing the invention.

In the drawings:

fig. 1a shows a scaffold node according to the invention in a perspective schematic view, wherein a scaffold crossbar according to the invention engages with a bolt in a notched receptacle of a scaffold faceplate according to the invention, and wherein a retaining element engages under the scaffold faceplate in a fixed position;

fig. 1b, 1c show further perspective views of the scaffold node of fig. 1 a;

fig. 1d shows the scaffolding node of fig. 1a in a bottom schematic view;

fig. 2 shows the scaffold node of fig. 1a in a side view schematic with a partially sectioned scaffold crossbar;

fig. 3a shows the scaffolding node of fig. 1a in a perspective schematic view with the retaining element in a released position in which the retaining element is not engaged under the scaffolding faceplate;

fig. 3b shows the scaffolding node of fig. 3a in a bottom schematic view;

fig. 3c shows the scaffold node of fig. 3a in a side view schematic;

fig. 4a shows a first end region of a scaffold crossbar according to the invention in perspective schematic view from obliquely above, with a plug projecting from the pole section and with a retaining element;

fig. 4b shows a first end region of the scaffold rail of fig. 4a in a side view;

fig. 4c shows a first end region of the scaffold crossbar of fig. 4a in a bottom schematic view;

fig. 4d shows a first end region of the scaffold rail of fig. 4a in a perspective schematic view from obliquely below;

fig. 4e shows a perspective schematic view from obliquely below of a second end region of the scaffold crossbar according to the invention, which is designed similarly to the first end region;

fig. 5 shows a first end region of the scaffold rail of fig. 4a in a side view in partial section;

fig. 6a shows a retaining element of the scaffold rail of fig. 4a in a perspective schematic view;

fig. 6b shows the holding element of fig. 6a in a schematic side view;

fig. 6c shows the holding element of fig. 6a in a schematic plan view;

figure 7a shows in a schematic plan view a scaffolding faceplate according to the present invention having a planar main portion in which four recess receptacles for the spigots are formed;

fig. 7b shows the scaffolding faceplate of fig. 7a in a side view, in which a reinforcement portion angled downwards with respect to the main portion is visible;

fig. 7c shows the scaffolding faceplate of fig. 7a in a perspective schematic view from obliquely below;

fig. 8 shows a blank for producing the scaffold faceplate of fig. 7a in a schematic plan view;

fig. 9 shows a flow chart of a method according to the invention for producing a scaffold faceplate and scaffold struts according to the invention.

Fig. 1a, 1b, 1c show a scaffold node 10 in different perspective views. In fig. 1d, the scaffold node 10 is shown in a bottom view. The scaffold node 10 comprises scaffold posts 12 and scaffold crossbars 14. In the illustrated assembled state of the scaffold node 10, the scaffold ledgers 14 are attached to the scaffold posts 12.

The scaffold post 12 includes a scaffold tube 16 and a scaffold faceplate 18. The scaffold faceplate 18 is secured to the scaffold tube 16. In this case, the scaffold tube 16 and the scaffold faceplate 18 are welded to each other. A scaffold faceplate 18 surrounds the scaffold tube 16. In other words, the scaffold tubes 16 extend through the scaffold rosette 18. The scaffolding tube 16 is designed to have a circular cross-section.

The scaffold rail 14 has a bar portion 20 and a plug 22. In the assembled state of the scaffold cross-bar 14, the bar portion 20 extends at right angles to the scaffold tubes 16 of the scaffold posts 12. A latch 22 projects from the lever portion 20. The cross-pin 22 extends substantially at right angles to the rod portion 20. In the assembled state shown, the latch 22 extends substantially parallel to the scaffolding tube 16. It should be noted that the plug 22 has a variable section in its extension direction; therefore, the foregoing process of the latch should be qualitatively understood.

The latch 22 protrudes through a notched receptacle 24 of the scaffold faceplate 18. In this case, the scaffold faceplate 18 has four notched receptacles 24. Each of the recess receptacles 24 is designed to receive a plug 22. Four scaffold ledgers 14 can be simultaneously mounted on the scaffold face 18 of a scaffold post 12 by inserting a spigot 22 into one of the recess receptacles 24 (not shown). The scaffold strut 12 can have a plurality of scaffold faceplates 18 that can be attached to the scaffold tube 16 at a distance (not shown) from one another.

The scaffold rail 14 has a retaining element 26. In fig. 1a to 1d, the holding element 26 is in a fixed position. In the secured position, the retaining element 26 is engaged under the scaffold faceplate 18. In the secured position, the retaining elements 26 prevent the scaffold ledger 14 from being released from the scaffold posts 12.

The retaining elements 26 are retained on the scaffold rails 14 in a manner that allows rotation. A screw 28 projects through the holding element 26. On the one hand, the screw 28 is supported on a holding element 30, which in this case has a screw head 30; see fig. 2. On the other hand, the screws 28 are supported on the scaffold rails 14. In this case, the screw 28 is engaged in a nut 32, the nut 32 resting on a support section 34 of the stem portion 20. The nut 32 can be fixed to the support section 34, in particular by pressing or welding. Instead of the nut 32, a thread (not shown) for engaging the screw 28 can be formed in the support section 34.

The screws 28 act as clamping means 36 to clamp the retaining element 26 to the scaffold faceplate 18 and the rod portion 20, in this case the support section 34 of the rod portion 20. As a result of the clamping, the scaffold ledgers 14 can be connected to the scaffold posts 12 without play. Thus, a stronger rigidity of the scaffold node 10 can be obtained.

The holding element 26 is shown in fig. 6a, 6b and 6 c. The retaining element has a support portion 38 for resting on the support section 34 of the scaffold ledger 14 and a fastening portion 40 for engaging under the scaffold rosette 18. Between the support part 38 and the fastening part 40, a bore hole 42 is provided in the holding element 26 for the passage of the clamping device 36 (screw 28). The screw 28 and/or the bore 42 define an axis of rotation 44 of the retaining element 26; see also fig. 2. The holding element 26 has a gooseneck design; see fig. 6a to 6 c. In other words, the support portion 38 is offset in the direction of the axis of rotation 44 relative to the fastening portion 40 and the bore 42.

The scaffold node 10 is shown in fig. 3a, 3b and 3c with the retaining element 26 in the released position. In contrast to the fixing position according to fig. 1a to 1d and fig. 2, the holding element 26 has been rotated about the rotational axis 44 such that it does not engage under the scaffold faceplate 18. In particular, the fastening portion 38 of the retaining element 26 in the release position is arranged next to the scaffold faceplate 18 when viewed from below; see in particular fig. 3 b. When the retaining element 26 is in the release position, the scaffold crossbar 14 can be detached from the scaffold strut 12 or mounted on the scaffold strut 12.

Fig. 4a, 4b, 4c and 4d show the first end region of the scaffold crossbar 14 from different perspectives. The second end region of the scaffold rail 14 is shown in fig. 4 e. The first and second end regions of the scaffold ledger 14 are designed in the same way. In particular, the two end regions are identical when viewed from the centre of the scaffold rail. This also applies correspondingly when the two end regions are viewed from the outside. A plug 22 is formed in each of the end regions. Furthermore, a retaining element 26 is arranged on the rod portion 20 in each of the end regions.

Fig. 5 shows a first end region of the scaffold crossbar 14 in a partial sectional view. In particular, it can be seen that the holding element 26 is rotatably mounted and held on the support section 34 of the rod part 20 by means of a clamping device 36 (screw 28). Stops 46 for the retaining elements 26 are arranged on the scaffold crossbar 14. The stop 46 is formed in a first end region (see fig. 4a to 4d) of a first side wall 48a of the scaffold crossbar 14 and/or in a second end region (see fig. 4e) of a second side wall 48b of the scaffold crossbar 14. The support section 34 is formed in each case by bending regions of the

side walls

48b or 48a, in which case the

side walls

48b, 48a do not form the stop 46 for a given holding element 26.

The stop 46 prevents the holding element 26 from rotating beyond a fixed position relative to the first rotational direction. The stops 46 are each designed in such a way that, when the screw 28 with right-hand thread is tightened, the retaining element 26 is guided against the stop 46 by rotation of the screw 28. In other words, when the screw 28 is tightened clockwise, the holding element 26 is entrained by friction, so that the angled support portion 38 rests against the stop 46. This simplifies the assembly of the scaffold rail 14. When the holding element 26 is clamped by tightening the clamping device 36 (screw 28), the holding element 26 is first automatically transferred into the fixing position, and then the holding element 26 is clamped between the screw head 30 (see fig. 5), the support section 34 and the scaffold faceplate 18.

In this case, the rod portion 20, the support section 34, and the plug pin 22 are designed together as a single piece as a bent sheet metal piece; see also fig. 4a to 4 e. The cross-pins 22 each have two

pin sections

50a, 50 b. Forming first and/or

second contact portions

52a, 52b on the

pin segments

50a, 50b for contact with the scaffolding tubes 16; see in particular fig. 4 a. A third contact portion 56 is provided on the upper wall 54 of the lever portion 20 for contacting the scaffolding tube 16. The defined three-point contact of the scaffold crossbar 14 on the scaffold tube 16 can be established by three

contact portions

52a, 52b, 56.

Fig. 7a, 7b and 7c show the scaffold faceplate 18 of the scaffold strut 12 from different perspectives. The scaffold faceplate 18 has four recessed receptacles 24 for the plugs 22. The pocket receptacles 24 are each defined in sections by the scaffold faceplate 18 itself, and by the scaffold tubes 16 of the scaffold posts 12; see fig. 1a to 1 d. The scaffold faceplate 18 also has a central passage 58 for passage of the scaffold tube 16. In this case, the scaffolding faceplate 18 also has four notched passages 60 that are completely defined by the scaffolding faceplate 18. The notch channels 60 are each disposed between two of the notch receptacles 24.

The scaffold faceplate 18 is designed as a single piece of bent sheet metal. The scaffolding faceplate 18 has a flat main portion 62. The main portion 62 extends in a major plane of the scaffold faceplate 18. In other words, the main portion 62 is flat. The scaffolding faceplate 18 also has a plurality of reinforcing

portions

64, 66. In this case, the reinforcing

portions

64, 66 are angled with respect to the main portion 62 and project at right angles from the main portion 62.

A reinforcing section 64 is formed on the outside of the scaffold faceplate 18. In this case, four reinforcing sections 64 on the outside extend along the outer edge of the scaffolding faceplate 18. The reinforcement portions 64 on the outer side also form the outer contour of the scaffold faceplate 18. The reinforcement portions 64 on the outer sides each have an indentation 68 in the center. Indentations 68 are each aligned with one of recessed channels 60.

The outer side reinforcement portions 64 each terminate at a distance from one another. In each case, a joint region 72 is arranged in the corner region 70 of the scaffold rosette between two adjacent outer reinforcing sections 64. In the joining region 72, the main portion 62 is not surrounded by the outer reinforcement portion 64. The engagement area 72 allows the holding element 26 to be guided under the main part 62 and to be in contact with the main part 62 on its underside.

One of the inner reinforcing portions 66 is formed on each of the notch insertion holes 24. The inner reinforcement 66 surrounds the recess insertion hole 24 in sections. The inner recess receptacle 66 forms the inner contour of the recess receptacle 24.

The notch receptacles 24 with the inner reinforcement portions 66 are each disposed radially inward, as seen from one of the corner regions 70. Thus, the scaffold ledger 14 inserted into one of the pocket receptacles 24 protrudes beyond the corresponding corner region 70 on the upper side of the scaffold rosette 18. Thus, the clamping device 36 (screw 28) defining the rotation axis 44 of the holding element 62 is arranged radially outside the corner region 70. Thus, the retaining elements 26 of the scaffold crossbar 18 can pivot through the engagement regions 72 below the main portion 62 of the scaffold faceplate 18 such that the fastening portions 40 of the retaining elements 26 engage below the scaffold faceplate 18.

Fig. 8 shows a blank 74 for producing the above-described scaffold faceplate 18. The blank is a flat (planar) sheet metal piece. The blank 74 can be produced by stamping. The blank has a generally star-shaped central cutout 76. After the blank 74 has been formed, the central passage 58 and the pocket receptacle 24 are obtained from the cutout 76; see fig. 7 a. The recessed channel 60 of the scaffold faceplate 14 is already present in the blank 74.

The blank 74 has a free edge region 78 on the outside. The outer reinforcement part 64 is obtained from the outer free edge zone 78 by bending; see fig. 7 c.

The blank 74 has an inner free edge region 80 at the cut-out 76. The inner reinforcement 66 on the notch receptacle 24 is obtained from the inner free edge region 80 by bending; see fig. 7 c.

Fig. 9 shows a sequence of a method 100 for producing the scaffold faceplate 18. First, in step 102, a sheet blank 74 is provided; see fig. 8. Then, in step 104, the

free edge regions

78, 80 of the blank 74 are bent. Upon bending 104, the stiffening

portions

64, 66 are obtained from the

free edge regions

78, 80. The scaffold faceplate 18 is thus manufactured from the blank 74.

In step 106, the scaffold faceplate 18 can be welded to the scaffold tube 16 such that the scaffold strut 12 is obtained. The method 100 is extended to a method 108 of manufacturing the scaffold strut 12, via step 106.

The scaffold tubes 16 and scaffold rosettes 18 can be made of steel or aluminum. The scaffold rails 14 can also be made of steel or aluminum. The retaining element 26, the screw 28 and the nut 32 are typically made of steel; alternatively, the holding element 26 can in particular be made of aluminum.

Claims

1. A scaffold node (10) having

A scaffold post (12) with scaffold tubes (16) and scaffold faceplates (18),

-a scaffold crossbar (14) with a bar portion (20), a plug (22) for insertion into a recessed receptacle (24) of the scaffold faceplate (18), and a retaining element (26),

wherein the retaining element (26) is held on the rod portion (20) in a manner allowing rotation such that, when the bolt (22) is inserted into the recess receptacle (24), the retaining element (26) can be brought into a fixed position in which the retaining element (26) is engaged under the scaffold faceplate (18), and the retaining element (26) can be brought into a release position in which the retaining element (26) is not engaged under the scaffold faceplate (18).

2. The scaffold node (10) according to claim 1, wherein the retaining element (26) is clampable against the scaffold faceplate (18) and the stem portion (20) in the fixed position.

3. A scaffold faceplate (18) for a scaffold node (10) according to claim 1 or 2, wherein the scaffold faceplate (18) is designed in the form of a bent sheet metal piece having a main portion (62) extending in a main plane, at least one recess receptacle (24) for a pin (22) being formed in the main portion (62), and the bent sheet metal piece having at least one stiffening portion (64, 66) angled relative to the main portion (62).

4. The scaffold faceplate (18) of claim 3, wherein the at least one reinforcing portion (64, 66) extends substantially at right angles to the main portion (62).

5. The scaffold faceplate (18) of claim 3 or 4, wherein at least two reinforcement portions (64) extend outside the scaffold faceplate (18).

6. The scaffold faceplate (18) of claim 5, wherein a joint region (72) is formed in a corner region (70) of the scaffold faceplate (18) between the two outer reinforcement portions (64).

7. The scaffold faceplate (18) of any of claims 3 to 6, wherein the scaffold faceplate (18) has an internal stiffening portion (66) on the notched receptacles (24).

8. Scaffold column (12) for a scaffold node (10) according to claim 1 or 2, having a scaffold tube (16), to which scaffold floral disc (18) according to any one of claims 3 to 7 is attached, in particular welded, to the scaffold tube (16).

9. The scaffold strut (12) according to claim 8, wherein the notch receptacles (24) are defined in sections by the scaffold tube (16).

10. A scaffold crossbar (14) for a scaffold node (10) according to claim 1 or 2, having a stem portion (20) and a plug (22) projecting from the stem portion (20), the scaffold crossbar (14) further having a retaining element (26), the retaining element (26) being retained on the stem portion (20) in a manner allowing rotation.

11. The scaffold crossbar (14) according to claim 10, wherein the rod portion (20) has a stop (46) for the retaining element (26).

12. The scaffold crossbar (14) according to claim 10 or 11, characterized in that a support section (34) for the retaining element (26) is formed on the pole portion (20), in particular wherein the support section (34) is formed in one piece with the pole portion (20).

13. The scaffold crossbar (14) according to any one of claims 10 to 12, characterized in that the scaffold crossbar (14) has clamping means (36), in particular screws (28), for clamping the retaining element (26) to the stem portion (20).

14. The scaffold crossbar (14) according to claim 13, wherein the retaining element (26) is rotatable about the clamping device (36).

15. The scaffold crossbar (14) according to any one of claims 10 to 14, wherein the bar portion (20) and the plug pin (22) are formed together in one piece, in particular in a bent sheet metal piece.

16. The scaffold crossbar (14) according to any one of claims 10 to 15, wherein first and second contact portions (52a, 52b) are formed on the plug (22) and a third contact portion (56) is formed on the stem portion (20) for contacting a scaffold tube (16).

17. Method (100) for producing a scaffold faceplate (18), in particular according to any one of claims 3 to 7, having the following steps:

-providing (102) a panel blank (74),

-bending (104) at least one free edge region (78, 80) of the blank (74) such that the bent edge region (78, 80) is angled with respect to the main portion (62) as a stiffening portion (64, 66).