FR3087805A1 - KNOT FOR A SERVICE STRUCTURE AND SERVICE STRUCTURE INCLUDING SUCH A KNOT - Google Patents

Abstract

The subject of the invention is a node (1) for a service structure comprising: - a first portion (11) extending in a first plane (P1), and having a main opening (10) in which a tubular upright can be arranged and a first secondary opening (13) to which a rail and a guard bodies can be connected in a removable way; -a second portion (12) extending along a second plane (P2) perpendicular to the first plane (P1) and having a second secondary opening (14) to which a guardrail and a diagonal can be connected in a removable manner. Another object of the invention is a service structure comprising a node (1) arranged on a tubular upright, a rail, a guardrail and a diagonal connected in a removable manner to the secondary openings (13, 14) of the node (1). .

Description

Node for a service structure and service structure comprising such a node The invention relates to the field of assembly of service structures.

The invention relates more particularly to means for assembling service structures.

A service structure can be a shoring tower, allowing for example the shoring of formwork slabs or beams, or a scaffolding structure, allowing for example to carry out work on a building.

These service structures are generally produced by assembling frames linked together on a starting platform, rails and a guardrail or a diagonal, through assembly means.

This type of service structure has a fundamental function of taking up vertical loads, in particular for shoring towers, or of supporting people on a site, in particular for scaffolding structures, and must therefore meet certain requirements. of security.

In this regard, the assembly means used must meet the criteria of strength, cost, weight, ease of integration into existing components and time required for assembly.

To this end, the invention relates to a node for a service structure having a tubular upright and one element from among a rail, a guardrail and a diagonal, said node comprising: - a first portion extending in a first plane, said first portion having a main opening and a first secondary opening, a tubular upright which can be arranged in the main opening, one of the following: the rail and the guardrail being able to be connected in a removable manner to the first secondary opening, - and a second portion extending along a second plane and having a second secondary opening, the second plane being perpendicular to the first plane, one of: the guardrail and the diagonal being able to be removably connected to said second secondary opening.

Such a node constitutes a multifunctional assembly means of the service structure, making it possible to connect several components together.

Such a node makes it possible to limit the number of assembly means to be used and to simplify the assembly of the service structure.

2 According to one embodiment, said first portion has symmetry with respect to a first plane of symmetry normal to the first plane.

According to one embodiment, said second portion has symmetry with respect to a second plane of symmetry normal to the second plane.

According to one embodiment, said first and second planes of symmetry are merged.

Another object of the present invention relates to a service structure comprising two frames linked together, a rail and one of: a guardrail and a diagonal, each frame having two tubular uprights, the service structure further comprising a railing and a diagonal. node having a first portion and a second portion, the first portion being perpendicular to the second portion, the first portion having a main opening and a first secondary opening, one of the tubular posts of one of the two frames being arranged in the opening main, said second portion having a second secondary opening, one of: the rail and the guardrail being removably connected to the first secondary opening, one of: the guardrail and the diagonal being removably connected to said second secondary opening.

The frames are intended to be arranged in a vertical direction Dv of the structure.

The stringers are intended to be arranged in a horizontal direction of the structure, the diagonals being able to serve as bracing.

The node makes it possible to assemble different elements of the service structure.

According to one embodiment, the frame comprising said tubular upright arranged through the node comprises a cross member extending transversely to the two tubular uprights of said frame in order to connect them.

According to one embodiment, the service structure comprises a plurality of nodes, said tubular post being arranged through said plurality of nodes, said plurality of nodes being arranged over a distance from said tubular post extending over at least 0.5m to from the cross.

According to one embodiment, the plurality of nodes comprises a first node arranged less than 0.5m from the cross member and a second node arranged more than 0.5m from the cross member, said first node being wider than said second node.

According to one embodiment, the service structure comprises a structural element such as a post, said structural element comprising a longitudinal portion, the service structure further comprising a node having a first portion and a second portion, the first portion being perpendicular to the second portion, the first portion having a main opening and a first secondary opening, said longitudinal portion of the structural element being arranged in the main opening of said node.

Thus, in a service structure according to the invention, the node according to the invention is adapted to be arranged on a tubular frame upright and / or on a longitudinal portion of a structural element.

Such a node thus makes it possible to assemble together various elements of the service structure.

According to one embodiment, the service structure further comprises one of: a bracket, a crossing beam, a gravel guard and a stirrup, said element being connected in a removable manner to a secondary opening of a node.

The node in question can be arranged on a tubular frame upright and / or on a longitudinal portion of a structural element.

The assembly and disassembly of an element on the node can be carried out with a minimum or even without additional tools, allowing faster and simpler assembly and disassembly.

According to one embodiment, the service structure comprises vertical assembly means for connecting the frames together vertically by superposition, said upright being arranged through the main opening of the node 20 so as to allow, after the superposition of two frames, to removably connect one of the elements: the rail and the guardrail to the first secondary opening.

According to one embodiment, the service structure comprises vertical assembly means for connecting the frames together vertically by superposition, said upright being arranged through the main opening of the node so as to allow, after the superposition of two frames, to removably connect one of the elements: the guardrail and the diagonal to the second secondary opening.

According to one embodiment, the vertical assembly means comprise, on the lower part (the one upright, a first locking slot, and on the upper part of said upright, a sleeve of diameter smaller than the diameter of the upright, the sleeve having a second locking lumen.

According to one embodiment, the sleeve has a chamfer made on its upper part.

4 According to one embodiment (the embodiment, the first light (the locking of one of the two frames and the second locking slot of the other of the two frames are placed in correspondence, the service structure comprising an element chosen from: a pin and bolt, said element being arranged through the first and second locking lumens.

This embodiment is particularly advantageous when the length of said sleeve is less than or equal to 15 cm, preferably less than or equal to 10 cm.

According to one embodiment, the vertical assembly means comprise, on the upper part of an upright, a sleeve of diameter smaller than the diameter of the upright, the sleeve comprising a chamfer made on its upper part, the lower part of the upright. 'an upright being adapted to be superimposed on said sleeve.

This embodiment is particularly advantageous when the length of said sleeve is greater than or equal to 15 cm.

The invention will be well understood, and its advantages will appear better on reading the following detailed description of embodiments of the invention shown by way of non-limiting examples: FIG. 1 is a top perspective view of the FIG. node according to the invention; Figure 2 is a side view of a frame on which nodes of Figure 1 are arranged; Figure 3 is a side view of the frame of Figure 2 assembled in a service structure according to the invention; Figures (4a, 4b) are a schematic representation of two variants of a service structure according to the invention; FIG. 5a is a side view of a heddle and of the knot of FIG. 1; FIG. 5b is a side view of the stringer of FIG. 5a; FIG. Ga is a detail perspective view of a diagonal attached to the node of FIG. 1; Figure 7a is a perspective view of a guardrail; FIG. 7b is a perspective detail view of the guardrail of FIG. 7a; FIG. 8 is a side detail view of a diagonal and of the guardrail of FIG. 7; Figure 9a is a side detail view of a console; FIG. 9b is a perspective detail view of the console of FIG. 9a and of the node of FIG. 1; FIG. 9c is a side detail view of the console of FIG. 9a mounted on a node of FIG. 1; Figure 10a is a perspective view of a caliper; Figure 10b is a side view of a variant of a caliper; - Figures (10e, 10d) are top perspective views of the yoke of figures (10a, 10b) mounted on the node of Figure 1; Figure 11 is a top perspective view of one end of a post of the frame of Figure 2; - Figure 12 is a view of an assembly on the upright of Figure 11.

The examples which follow will make it possible to better understand the present invention, without however limiting its scope.

In the various figures, the same references designate identical or similar elements.

The vertical and horizontal directions are relative to a service structure assembled for use on a construction site, for example.

FIG. 1 is a view of a node 1 according to the invention.

This is a node 20 suitable for use in a service structure 8 (illustrated in FIG. 3), in particular as a means of assembling elements of the service structure.

Node 1 comprises a first portion 11 extending along a first plane P1, and a second portion 12 extending along a second plane P2.

The first portion 11 has a main opening 10.

In the embodiment illustrated in FIG. 1, the second plane P2 is perpendicular to the first plane P1.

In the embodiment illustrated in FIG. 1, the first portion 11 comprises two first secondary openings 13, arranged on either side of the main opening 10 in a longitudinal direction Ln of the node 1.

In this case, the first two secondary openings 13 are arranged symmetrically with respect to the main opening 10.

The main opening 10 and the first secondary openings 13 have a substantially circular shape.

In this case, the secondary openings 13 have a circular section which may have a diameter of between 15 mm and 30 mm, preferably between 20 mm and 25 mm.

The main opening 10 is of a dimension adapted so that a tubular post can be arranged therein.

The first secondary openings 13 are designed so as to be able to connect therein in a removable manner one of the elements: a rail and a guardrail.

In this case, the main opening 10 has a circular section which may have a diameter of between 40 mm and 65 mm, preferably between 43 mm and 61 mm.

For the rest of what follows, the term “removable” is understood to mean the fact that the element in question can be separated from the elements to which it has been attached without being damaged.

In the embodiment illustrated in FIG. 1, the second portion 12 comprises two second secondary openings 14, arranged in a longitudinal direction Ln of the node 1.

The second secondary openings 14 are designed so as to be able to detachably connect one element among: a guardrail and a diagonal.

More particularly, the secondary openings 14 are of a shape comprising a substantially circular portion and a substantially rectangular, rectangular portion with rounded or elongated ends.

In this case, the circular part may have a diameter of between 15 mm and 35 mm, preferably between 20 mm and 30 mm.

In one embodiment, the node 1 has a length of between 155 mm and 185 mm, preferably between 160 mm and 180 mm, a width of between 30 mm and 70 mm, preferably between 35 mm and 65 mm, and a height of between 20 mm and 55 mm, preferably between 35 mm and 50 mm.

In the embodiment illustrated in FIG. 1, the first portion 11 has a symmetry with respect to a first plane of symmetry Si normal to the first plane PI, and the second portion 12 has a symmetry with respect to a second plane dc symmetry S2 normal in the second plane P2.

More particularly, said first 25 and second planes of symmetry (S1, S2) are merged, and form a plane of symmetry (S1, S2) of node 1.

Such a node 1 can be produced by cutting and then folding a metal plate.

The plate comprises for example steel or aluminum.

The plate is cut, for example, by laser.

The plate can include any other suitable material.

The node 1 can be produced by any other suitable manufacturing method.

Such a node 1 constitutes a multifunctional assembly means of the service structure, making it possible to connect several components together.

Such a 7 node allows (to limit the number (the assembly means to be used and (to simplify the assembly of the service structure.

Thus, it is also possible to provide a node allowing the assembly of elements similar to those presented, and having a geometry and / or dimensions different from the node 1 illustrated in FIG. 1, for example a different number of main openings and / or secondary, no planes of symmetry or different symmetries.

FIG. 2 is a side view of a frame 2 on which the nodes 1 of FIG. 1 are arranged.

The frame 2 comprises two tubular uprights 20 extending parallel to one another and each arranged through the main openings 10 of a plurality (the nodes 1.

The frame 2 comprises a cross member 21 extending transversely to the two tubular uprights 20 to connect them.

The frame 2 extends mainly along a plane Pc, the nodes 1 being arranged so that their planes of symmetry (Si.

S2) are confused with the plane Pc.

In the embodiment illustrated in Figure 2, reinforcing gussets 210 are used as reinforcements to the cross member 21.

Figure 3 is a side view of the frame 2 assembled in a service structure 8.

In this case, the service structure 8 illustrated in FIG. 3 is a scaffolding.

As illustrated in FIG. 3, the service structure 8 comprises a floor 24 which is equipped along its width with hooks 240 cooperating with the cross member 21.

These hooks 240 make it possible to arrange the floor 24 in a horizontal plane Ph in the service structure 8.

In the embodiment illustrated in FIG. 3, the cross member has a tubular shape, and the hooks 240 have a curved shape making it possible to adjust to the shape of the cross member.

The frame 2 may have a height of between 150 cm and 350 cm, preferably between 200 cm and 300 cm, and a width of between 60 cm and 120 cm, preferably between 64 cm and 96 cm, the width of the frame 2 corresponding to the center distance between two tubular uprights 20 of the frame 2.

The floor 24 makes it possible to provide a circulation passage in the service structure 8, the floor 24 possibly having a width of between 60 cm and 115 cm, preferably between 64 cm and 115 cm.

The floor 24 may also have a width of between 300 mm and 575 mm, preferably between 320 mm and 575 mm, two floors of this type being able to be placed side by side to provide a passage for circulation in the service structure 8.

The floor 24 can be made of aluminum, wood or steel.

For example, the floor can have a width of between 60 cm and 1.05 m and be made of aluminum and / or wood.

In another example, the floor may have a width of between 300 mm and 525 mm and be made of steel.

The floor 24 advantageously makes it possible to brace the service structure 8, in particular along the horizontal plane Ph.

5 Figures (4a, 4h) are schematic representations of two variants of the service structure 8.

More particularly, Figure 4a is a schematic representation of the service structure comprising a frame 2, the frame being equipped with a plurality of nodes 1 as shown in Figure 2, floors 24 as shown in Figure 3 and diagonals 5.

In this case, each diagonal 5 is a metal tube configured to be mounted in a diagonal direction in the service structure 8 which rises in a vertical direction Dv.

The diagonal 5 is provided at at least one of its two ends (55, 56) with assembly means making it possible to connect it in a removable manner to a second secondary opening 14 of a node among the plurality of nodes 1.

The service structure 8 further comprises rails 3.

In this case, each beam 3 is a metal tube configured to be mounted in a horizontal direction Dh on the service structure 8.

The heddle 3 is provided at at least one of its two ends (33, 34) with assembly means making it possible to connect it in a removable manner to a first secondary opening 13 of a node among the plurality of nodes 1.

The use of the rails 3 in combination with the diagonals 5 makes it possible, on the one hand, to create a protection on the side (s) of the traffic passage created thanks to the floor 24 and, on the other hand, to connect the 2 frames between 25 cux horizontally and vertically.

The diagonals 5 can be installed in the service structure 8 in a vertical plane formed by the vertical Dv and horizontal Dh directions, and / or in a plane Pc of a frame 2 of the service structure 8.

The use of diagonals 5 advantageously makes it possible to brace the service structure 8, in particular along a vertical plane formed by the vertical Dv and horizontal Dh directions, and / or in a plane Pc of a frame 2.

Depending on the loads to be taken up by the service structure 8, the bracing through the use of diagonals 5 can be made denser or lighter, in particular by varying the number of diagonals 5 installed in the service structure 8.

9 Figure 4b is a schematic representation of the service structure 8 comprising at least one frame 2.

The frame is equipped with a plurality of nodes 1 as shown in Figure 2, floors 24 as shown in Figure 3 and guardrails 4.

In this embodiment, and as also shown in more detail in Figure 7a, the guardrail 4 comprises two metal tubes (47, 48) extending mainly in a horizontal direction, interconnected by portions of tubes. 49 metal arranged in vertical and diagonal directions and participating in particular in the consolidation of the guardrail 4.

The tubes (47, 48) and 10 portions of tubes 49 can be assembled by welding.

The tubes (47, 48) and portions of tubes 49 are assembled so as to prevent the passage of a sphere of diameter equal to or greater than 470 mm.

The guardrail 4 is designed in such a way as to, on the one hand, create protection on the side (s) of the circulation passage created by means of the floor 24, and, on the other hand, to connect the frames 2 between them 15 horizontally and vertically.

Advantageously, the guardrail 4 is designed so that the tubes (47, 48) and portions of tubes 49 extend essentially in a plane offset, along the width of the frame 2, relative to the side (s) ( s) of the arranged circulation passage, to minimize congestion and free up more circulation space on the side (s) of said passage.

The service structure 8, as shown in Figure 4b, further comprises diagonals 5 installed at a first level of the service structure 8, in a vertical plane formed by the vertical Dv and horizontal Dh directions, and / or in a plane Pc of a frame 2 of b service structure 8.

These diagonals 5 installed at the first level are called "diagonals at the bottom".

This use of diagonals 5 in the service structure variant 8 shown in FIG. 4b advantageously makes it possible to brace the service structure 8, in particular along a vertical plane formed by the vertical directions Dv and horizontal Dh, and / or in a plane Pc. a frame 2.

Depending on the loads to be taken up by the service structure 8, the bracing through the use of diagonals 5 can be replaced by a bracing through the use of guardrails 4, allowing both lateral protection and triangulation. vertical of the service structure 8.

The two variants of the service structure 8 shown in the figures (4a, 4h) comprise bases 81 on which the service structure 8 rests, and include at least two frames 2.

One of the frames 2 included at a first level of the service structure 8 is connected to these bases 81.

When the service structure 8 rises over more than one level, the frames 2 are then connected to each other by means of vertical mounting means, which are described below.

When using the service structure 8, the frames 2 have an interior side 5, for example bordering a work site (such as the facade of a building for example), as opposed to an exterior side in the direction the width of the service structure 8.

In the variants of the service structure 8 shown in the figures (4a, 4b), the plurality of nodes 1 is arranged identically on the uprights 20 on the inner side and on the outer side.

In other variations of the service structure 8, the plurality of nodes 1 may not be arranged identically on the uprights 20 on the inner side and on the outer side.

For example, the plurality of nodes 1 can be arranged in a higher number on the uprights 20 on the exterior side than on the uprights 20 on the interior side.

The arrangement of the nodes 1 on each of the frames 2 of the service structure 8 may be different from one frame 2 to another, in particular depending on the number and type of elements of the service structure to be connected to each. frames 2.

More particularly, in one embodiment of a frame 2 of the service structure 8, nodes 1 are arranged at the level of the cross member 21 of said frame and at 1 m from the cross member 21 of said frame.

In a variant of this embodiment, the 20 nodes 1 arranged at the level of the cross member 21 are wider than the nodes 1 placed later.

In another embodiment of a frame 2 of the service structure 8, nodes 1 are arranged along a tubular post 20 of said frame, over a distance extending over at least 0.5 m from the cross member. 21 of said frame.

In a variant of this embodiment, a first sub-assembly comprising a node 1 is arranged less than 0.5 m from said cross member and a second sub-assembly comprising a node 1 is placed more than 0.5 m from said cross member, said node of the first sub-assembly being wider than said node of the second sub-assembly.

For example, on an upright 20 of frame 2, a first node is placed 30 at the level of the cross member 21 of said frame 2, a second node is placed at 0.5 m (the cross member and a third node is placed at 1 m from the crosses.

In another example of this embodiment, a first node is arranged at the level of the cross member 21 of said frame and a second node is arranged at 1 inch from the cross member.

11 Indeed, the establishment of a larger node at the level of a cross member 21 makes it possible to block a floor 24 mounted on said cross member 21 by limiting the spacing between said floor and said node to less than 25 mm.

In the variants of the service structure 8 shown in the figures (4a, 5 4h), the nodes 1 arranged at the level of a cross member 21, preferably less than 0.5 m from said cross member, make it possible to mount diagonals 5, guardrail 4 and rails 3.

The nodes arranged further away, preferably more than 0.5 m from the cross member, make it possible to mount guardrails 4 and rails 3.

The reduced size of these knots, compared to the knots at the sleeper, lessens the space occupied in the traffic and / or work passage on the floor.

FIG. Sa is a side view of a rail 3 and of the node 1 according to the invention.

The beam 3 comprises a metal tube and two ends (33, 34).

More particularly, one end of the beam 3 is shown in detail in FIG. 5a, and comprises a means of assembly at the node I.

The means for assembling the stringer 3 and the node 1 comprises an unbalanced stud (30, 31), configured to cooperate with a first secondary opening 13 of the node 1.

In FIG. 5a, the beam 3 is being assembled and is not yet connected to node 1.

FIG. 5b is a side view of the beam 3 of FIG. 5a.

The unbalance nipple (30, 31) comprises a rod portion 30 projecting relative to a longitudinal direction L1 of the beam 3.

The rod portion 30 comprises a slot 35 formed in a longitudinal direction Lt of the rod portion 30.

The unbalance nipple (30, 31) further comprises a tongue 31, mounted in rotation with respect to a free end of the rod portion 30 in a plane formed by the directions (L1, Lt), and adapted to tilt and come. fit into the slot 35 of the rod portion 25 30.

During the assembly of the beam 3 on the node 1, the unbalance nipple (30, 31) is placed in correspondence with a first secondary opening 13 of the node 1.

While the rod portion 30 is inserted into said first secondary opening 13, the tongue 31 is housed in the slot 35 of the rod portion 30.

The tongue 31 then swings outwards once the rod portion 30 has been inserted, thus blocking any upward movement of the stringer 3 relative to the node 1.

An appendage 32 is provided at the free end of the rod portion 30.

The appendix 32 makes it possible to place the tongue 31 in the slot 35 when the beam 3 12 is mounted on the node 1, with a view to removing the beam 3 from the node 1.

The assembly and disassembly of the beam 3 and of the node 1 are thus secured.

FIG. 6a is a detailed perspective view of a diagonal 5 fixed to a node 1 according to the invention.

Node 1 shown in FIG. 6a is located at level 5 of cross member 21 of frame 2, on which a floor 24 is installed.

Diagonal 5 is removably connected to a second secondary opening 14 of node 1, by means of assembly means (50, 51, 52, 53) arranged on one end of diagonal 5.

FIG. 6b is a detailed perspective view of the assembly means (50, 51, 52, 53).

Said end of the diagonal 5 has a flattened portion 50 in which a hole 54 is made.

The assembly means (50, 51, 52, 53) comprise a rod 51 provided, on one end 51a, with an unbalance stud 52 and, on the other end 51b, with a key clip 53.

The unbalance nipple 52 can be designed similarly to the unbalance nipple (30, 31) of the beam 3 as shown in figures (5a, 56).

When mounting the diagonal 5 on the node 1, the flattened portion 50 is placed at the level of the node 1, opposite the second portion 12, so as to put the hole 54 of the flattened portion 50 in correspondence with a second opening secondary 14.

The rod 51 is then inserted through the hole 54 of the flattened portion 50 and the second secondary opening 14, the unbalance stud 52 being placed on an inner side 16 of the node 1.

By internal side 16 of node 1, it is understood a zone partially delimited by the node and facing the cross member 21 of the frame 2 on which the node in question is placed.

The key 53 is finally placed on an external side 15 of the node 1, opposite to the internal side 16 in a width direction (D1) of the frame 2 on which the node 1 is placed.

Figure 7a is a perspective view of a guardrail 4, similar to that used in the service structure shown in Figure 4b.

The guardrail 4 comprises an upper part 4s and a lower part 4i, assembly means (40, 41) being arranged on the sides of each of the upper and lower parts 30.

Assembly means 40 are in particular arranged on the sides of the upper part 4s, more precisely on the free ends (47a, 47h) of one of the metal tubes 47 extending mainly in the horizontal direction Dh.

The assembly means 40 comprise a lug 40a formed by a solid rod portion 13, adapted to be inserted into a first secondary opening 13 of the node 1.

Assembly means 41 are in particular arranged on the sides of the lower part, more precisely on the free ends (49a, 49h) of portions of lateral metal tubes 49 arranged in vertical and / or diagonal directions.

As shown in more detail in Figure 7b, the assembly means 41 comprise a fixing plate 42 provided with a hole 43, a rod 44 at two ends configured to fit into said hole 43, one of the ends 44a being provided with an unbalanced stud 45, the other end 44b being threaded and cooperating with a bolt 46.

Figure 8 is a side detail view of a diagonal 5 and of the guardrail 4 of figures (7a, 7b), mounted on node 1 of figure 1.

In this embodiment, the diagonal 5 and the guardrail 4 are mounted on a node 1 through a second secondary opening 14.

The flattened portion 50 of the diagonal 5 is disposed against the second portion 12 of the node 1.

The fixing plate 42 of the guardrail 4 is placed against the flattened portion 50, so that the latter is sandwiched between the guardrail 4 and the node 1.

The holes (43, 54, 14) are put in correspondence, and an assembly means 41, of the same type as that fitted to the guardrail 4 in FIG. 7b, is arranged in order to fix the guardrail 4 and the 20 diagonal 5 at node 1.

Figure 9a is a side detail view of a console 6.

The console 6 comprises two metal portions (61, 62), the portion 62 having two ends (62a, 62b).

The portion 62 is connected at one of its ends 62b to the metal portion 61, for example by welding.

The other end 62a of the portion 62 is provided with a support plate 63 having a shape adapted to bear against a tube perpendicular to the portion 61, the shape of the support plate 63 being curved, for example. .

In Figure 9a, the portion 61 is a tube portion having two ends (61a, 61b), and is provided at one of its ends ôla with a connecting means (64, 65, 66) to a node. 1 located on the side of the support plate 63.

Such a console constitutes a complementary part in the service structure 8, reinforcing the other elements of the service structure.

In FIG. 9c, which is a side detail view of said console 6, the support plate 63 is disposed against a tubular upright 20, and the portion 61 is connected to the node 1 arranged on said tubular upright 20.

FIG. 9b represents in more detail the end 61a of the portion 61, in intermediate mounting on the node 1.

The means (the assembly (64, 65, 66) comprises rods 65 protruding from a first portion 64.

The rods 65 are adapted to be arranged in the first secondary openings 13 of the node 5 1.

The first portion 64 is adapted to come to rest against the first portion 11 of the node 1 once the assembly is completed, in particular when the rods 64 are fully inserted into the first secondary openings 13.

A second portion 66 extends along a plane secant to the plane of the first portion 64, and is adapted to come to rest against the second portion 12 of the node 1 during 10 and following assembly.

Preferably, the first portion 64 of the assembly means of the console 6 has a shape substantially complementary to the first portion 11 of the node 1, in order to improve the assembly.

Preferably, when the first portion 11 and the second portion 12 of the node 1 extend along perpendicular planes, the second portion 66 of the assembly means (64, 65, 66) is designed along a plane substantially perpendicular to the plane of the portion 64 of the assembly means (64, 65, 66), to come to bear against the second portion 12 of the node following assembly.

According to a variant, the first portion 64 of the assembly means of the console 6 is made in two parts (64a, 64b) spaced apart by an opening 64c making it possible to dispose the tubular upright 20 on which the node 1 is arranged, when the end of portion 61 is connected to node 1.

According to a variant, when the node 1 is symmetrical with respect to a plane of symmetry (S1) as shown in FIG. 1, the first portion 64 of the assembly means of the console 6 is also symmetrical with respect to the plane of symmetry. (S1), in particular in order to allow better centering of the rods 65 in the openings 13.

Figure 10a is a side view of a caliper 7.

The bracket 7 is an assembly part involved in the assembly of the service structure 8.

The stirrup 7 shown in figure 10a is adapted to be mounted on a node 1 as described above For this purpose, the stirrup 7 comprises a first portion 71 from which a mounting element (72, 73) protrudes. .

The mounting member (72, 73) includes an unbalance nipple 72 and a through-hole rod 73.

As shown in Figure 10e, the mounting element (72, 73) is adapted to be arranged in the first secondary openings 13 of node 1.

The stirrup 7 comprises a second portion 77, comprising two lateral ears 74 extending mainly along a plane secant to the plane of the first portion 71, and adapted to come to rest against the second portion 12 of the node 1 during and following assembly.

5 The through hole of b rod 73 makes it possible to insert a fixing element such as a pin (not shown) making it possible to prevent the movement of the stirrup 7 in a vertical direction Dv once mounted on the node 1, from similar way to the unbalance nipple attachment system 72.

Preferably, the first portion 71 of the stirrup 7 has a shape 10 substantially complementary to the first portion 11 of the node 1, in order to improve the assembly.

Preferably, when the first portion 11 and the second portion 12 of the node 1 extend along perpendicular planes (PI, P2), the side lugs 74 are designed along a plane Po substantially perpendicular to the plane Pp of the portion 71 to form a support against node 1.

According to a variant, the first portion 71 is made in two parts (71a, 71b) spaced apart by an opening 71c making it possible to accommodate the tubular upright 20 on which the node 1 is arranged.

According to a variant, when the node 1 is symmetrical with respect to a plane of symmetry (S1) as shown in FIG. 1, the first portion 71 is designed to be symmetrical also with respect to the plane of symmetry (S1), in particular in order to allow better centering of the mounting element (72, 73) in the openings 13.

The second portion 77 comprises a mounting loop 76 produced as a semi-open loop, for example in the form of a U projecting from the main plane of the ears 74, in a direction opposite to that in which the element is located. mounting kit (72, 73).

When the first portion 71 has symmetry, for example with respect to the plane (S1) (FIG. 1), the mounting loop 76 can be centered with respect to the ears 74.

FIG. 10b shows a variant 78 of the caliper 7.

This variant 78 comprises a main portion 77 comprising two side ears 74 and a mounting loop 76 extending in a direction intersecting a plane of the main portion 77.

In this embodiment illustrated in FIG. Lob, the mounting loop 76 is a closed loop at the level of the ears 74 by a curved portion convex towards the mounting loop 76.

As shown in Figure 10d, the mounting loop 76 is adapted to connect an element of the service structure 16 to the yoke 7.

The assembly formed by the node 1 equipped with such a stirrup 7 therefore forms a multidirectional assembly means involved in the assembly of the various elements that the service structure 8 comprises.

By means of multidirectional assembly, it is understood a means making it possible to assemble to the assembly 5 formed by the node 1 equipped with the stirrup 7 elements extending in different directions.

The use of node 1 is therefore compatible with different types of elements of a service structure and different variants of the service structure.

As shown in Figure 10d, this convex curved portion allows the variant 78 of the stirrup 7 to adapt to the tubular shape of the upright 20, 10 when the stirrup 7 is mounted on the node 1 arranged on the amount 20.

In FIGS. 10a and lob, the ears 74 are pierced with holes 75 participating in the fixing of the stirrup 7 following its mounting on the node 1, as shown for the variant 78 in FIG. 10d, which illustrates a connection 79 passing through a hole 75 and a second secondary opening 14 (not shown here) of node 1.

In fact, when mounting the stirrup 7 on the node 1, the holes 75 are arranged in correspondence with the second secondary openings 14 (previously described) of the node 1, so as to be able to insert therein means for fixing the. 'stirrup on the knot.

FIG. 11 shows vertical assembly means 22 for connecting the 20 frames together vertically by superimposing their tubular uprights 20.

The node 1 is arranged on the upright 20 so as to allow, after the superimposition of the uprights of two frames, to removably connect the guardrail 4, and more precisely the lug 40a of the assembly means 40, to the first secondary opening 13 of node 1.

FIG. 12 shows the vertical assembly means 22 produced on a tubular upright 20, the node 1 being arranged on said upright 20 so as to allow, after the uprights of two frames are superposed, to connect the beam 3 in a removable manner. , and more precisely from the unbalance nipple (30, 31) of the beam 3, to the first secondary opening 13 of the node 1.

In FIGS. 11 and 12, the arrangement of the node 1 on the upright 20 also allows, after the superimposition of the uprights of two frames and their assembly by the vertical assembly means 22, to detachably connect one of the following elements: the guardrail 4 and the diagonal 5 to the second secondary opening 14 (not shown here).

17 The vertical assembly means 22 comprise, on an upright 20, at its lower part 20b, shown in FIG. 12, a first locking slot 220, and at its upper part 20a a sleeve 223 shown in FIG. 1, preferably of diameter less than the diameter of the upright.

The sleeve 223 may be formed integrally with the post 20, or be a part joined to the post 20 by an assembly process such as welding for example.

The sleeve 223 has, on its lower part 2236, a second locking slot 222.

The second locking lumen 222 consists of a through hole 222 on the sleeve 223.

The sleeve 223 further comprises, on its upper part 223a, a chamfer 221 to facilitate the insertion of the sleeve 223 into the lower part 20b of a vertically superimposed post.

In another variant, the sleeve 223 may comprise a cylindrical portion terminated by a frustoconical portion (not shown in the figures).

During the superposition of two frames each comprising two tubular uprights, the lower parts of each of the uprights of one of the two frames are placed above the chamfers 221 of the sleeves 223 of each of the uprights of the other of the frames.

After inserting the lower parts of each of the uprights of one of the frames into the sleeves 223 of the other of the frames, the first and second locking slots (220, 222) are arranged in correspondence to arrange therethrough. a pin to fix the vertical mounting by overlapping, and to prevent

Claims (14)

CLAIMS 1. Node (1) for a service structure (8) having a tubular upright (10) and one of a beam (3), a guardrail (4) and a diagonal (5), said node (1) comprising: - a first portion (11) extending along a first plane (P1), said first portion having a main opening (10) and a first secondary opening (13), a tubular upright (20) which can be arranged in the opening main (10), one of: the rail (3) and the guardrail (4) can be connected in a removable manner to the first secondary opening (13), - and a second portion (12) extending along a second plane (P2) and having a second secondary opening (14), the second plane (P2) being perpendicular to the first plane (P1), one of: the guardrail (4) and the diagonal (5) being able to be removably connected to said second secondary opening (14). 2. Node (1) according to claim 1, wherein said first portion (11) has symmetry with respect to a first plane of symmetry (Si) normal to the first plane (P1). 3. Node (1) according to one of claims 1 and 2, wherein said second portion (12) has symmetry with respect to a second plane of symmetry (S2) normal to the second plane (P2). 4. Node (1) according to one of claims 1 to 3, wherein said first and second planes of symmetry (Si, 52) are coincident. 5. Service structure (8) comprising two frames (2) linked together, a rail (3) and one of: a guardrail (4) and a diagonal (5), each frame (2) having two uprights. tubular (20), characterized in that the service structure (8) further comprises a node (1) having a first portion (11) and a second portion (12), the first portion (11) being perpendicular to the second portion (12), the first portion (12) having a main opening (10) and a first secondary opening (13), one of the 19 tubular posts (20) of one of the two frames (2) being arranged in the main opening (10), said second portion (12) having a second secondary opening (14), in that one of: the stringer (3) and the guardrail (4) is detachably connected to the first secondary opening (13), and in that one of: the guardrail (4) and the diagonal (5) is removably connected to said second secondary opening (14). 6. Service structure (8) according to claim 5, wherein the frame 10 (2) comprising said tubular upright (20) arranged through the node (1) comprises a cross member (21) extending transversely to the two tubular uprights. (20) of said frame (2) to connect them. 7. A service structure (8) according to claim 6, comprising a plurality of nodes (1), said tubular post (20) being arranged through said plurality of nodes (1), said plurality of nodes (1) being arranged. over a distance of said tubular upright (20) extending at least 0.5m from the cross member (21). 20 8. Service structure (8) according to claim 7, wherein the plurality of nodes comprises a first node disposed less than 0.5m from the cross member (21) and a second node disposed more than 0.5m from the cross member (21). ), said first node being wider than said second node. 25 9. Service structure (8) according to one of claims 5 to 8, further comprising one of: a bracket (6), a crossing beam, a debris guard and a stirrup (7), said element being removably connected to a secondary opening (13, 14) of a node (1). 30 10. Service structure (8) according to one of claims 5 to 9, comprising vertical assembly means (22) for connecting the frames (2) to each other vertically by superposition, said upright (20) being arranged through the main opening (10) of the node (1) so as to allow, after the superposition 20 of two frames (2), to removably connect one element among: the beam (3) and the guardrail (4) at the first secondary opening (13). 11. Service structure (8) according to one of claims 5 to 10, 5 comprising vertical assembly means (22) for connecting the frames (2) to each other vertically by superposition, said upright (20) being arranged at through the main opening (10) of the node (1) so as to allow, after the superposition of two frames (2), to detachably connect one element among: the guardrail (4) and the diagonal (5) to the second secondary opening (14). 10 12. Service structure (8) according to one of claims 5 to 11, wherein the vertical assembly means (22) comprise, on the lower part (20b) of an upright, a first locking slot (220 ), and on the upper part of said post a sleeve (223) of smaller diameter than the diameter of the post (20), the sleeve (223) having a second locking slot (222). 13. Service structure (8) according to claim 12, wherein the sleeve (223) has a chamfer (221) formed on its upper part (223a). 20 14. Service structure (8) according to one of claims 5 to 13, wherein the first locking slot (220) of one of the two frames (2) and the second locking slot (222) of the another of the two frames are placed in correspondence, the service structure (8) comprising an element selected from: a pin and a bolt, said element being arranged through the first and second locking lumens (220, 222).