Safety fence system and method for installing a safety fence system

Abstract

A protective fence system comprising a plurality of vertically aligned posts (1) having a first end (1.1) and an opposite second end (1.2), and comprising a plurality of protective fence elements mounted on the posts (1), wherein the protective fence elements comprise fence panels (2) arranged between the posts (1); wherein the fence panels (2) each have a fence panel frame (9) comprising vertical struts (9.1) and horizontal struts (9.2), wherein the vertical struts (9.1) and the horizontal struts (9.2) are each formed by a profile tube having at least one groove (1.3) extending on a surface from the first end (1.1) to the second end (1.2), wherein a plurality of counter elements (3) are each arranged to form an undercut in the grooves (1.3), and the vertical struts (9.1) and horizontal struts (9.2)2) are mounted to one another by fence panel connecting pieces (10), characterized in that the fence panel connecting pieces (10) are each screwed to at least one counter element (3) of a vertical strut (9.1) and / or at least one counter element (3) of a horizontal strut (9.2).

Description

[0001] The present invention relates to a protective fence system according to the preamble of claim 1 and a method for assembling a protective fence system.

[0002] Safety fence systems are installed in industry to demarcate hazardous areas, for example, in industrial halls. Such a hazardous area could be, for example, the working area of ​​a robot, a processing machine, or an assembly machine. Other safety fence systems, such as those covered by the present invention, are used, for example, in the meat processing industry to enclose such hazardous areas.

[0003] It is generally known from the state of the art that such safety fence systems comprise fence posts and fence panels, and usually also at least one lockable gate to selectively grant access to the danger zone. Such safety fence systems are traditionally designed, produced, and installed for individual applications. The fence panels are constructed as welded structures, so their size must be determined in advance based on the distance between the posts. The welded construction also requires corrosion protection measures.

[0004] Such a fence panel can be connected to the posts by screwing, for example, with a connecting element such as that disclosed in DE 10 2011 110 848 A1. This allows the fence panel to be removed from the fence post by unscrewing it if necessary. However, if the distance between the fence posts changes due to circumstances or the fence posts need to be installed differently than planned, the fence panels must be cut, shortened, and re-welded, with the appropriate post-treatment of the welded joints.

[0005] If crossbars are provided between the posts, for example, as a lintel over a gate, these crossbars are conventionally welded to the adjacent posts. Here, too, changing the length on site is only possible with considerable effort.

[0006] A further disadvantage of the known protective fence systems is that the individual fence panels have to be produced in advance and must be stored and transported accordingly.

[0007] Extruded aluminum profiles are known from facade construction or roof structures, in trailer construction as well as in workplace systems and in exhibition stand construction, but these have high production costs and are too low in strength for use in protective fence systems to enclose hazardous areas in industry and are therefore not used in practice.

[0008] DE 10 2010 018 923 A1 discloses a securing strap for a separating, fixed protective device, in particular a safety fence, in which the posts are made of frame profiles and have a screw channel into which screw bolts with a self-tapping external thread are screwed, allowing one-piece fence panels to be mounted to the posts. Further profile posts are disclosed in AT 13994 U1.

[0009] DE 199 047 058 C1 discloses a panel-to-panel connection assembly with four rails as a frame connection structure, which are connected at the corners of each panel assembly with four angle connectors. The panel assemblies are fastened with hook plates and plug plates in a longitudinal groove of a tubular post.

[0010] DE 20 2008 016 386 U1 discloses a connecting device for connecting two construction profiles having undercut grooves on their outer side.

[0011] The present invention is based on the object of providing a safety fence system and a method for assembling a safety fence system that allow for easier adaptation of the safety fence to the respective site of use and, preferably, largely eliminate the need for stockpiling and transporting large prefabricated parts of the safety fence system. The safety fence system according to the invention should be highly rigid and be cost-effective to manufacture.

[0012] The object of the invention is achieved by a safety fence system having the features of claim 1. Furthermore, a method according to the invention for assembling such a safety fence system is specified. The dependent claims describe advantageous and particularly useful embodiments of the invention.

[0013] A safety fence system according to the invention enables the particularly flexible installation of a safety fence with different fence panels, gates, and / or grilles, depending on the application, which are mounted between a plurality of vertically aligned posts. The safety fence system according to the invention advantageously allows fence posts and / or other safety fence elements extending horizontally between the posts to be easily shortened on-site to adapt the length to the prevailing conditions. The safety fence system advantageously allows, for example, fence panels to be dismantled, shortened, and reassembled without the need for welding.

[0014] A safety fence system according to the invention comprises a plurality of vertically aligned posts comprising a first end and opposite second end, and a plurality of safety fence elements mounted on the posts, the safety fence elements comprising fence panels arranged between the posts.

[0015] Preferably, the posts are each formed by a profile tube having at least one groove extending on a surface from the first end to the second end, wherein a plurality of counter elements are arranged in the grooves, each forming an undercut, and the counter elements each have at least one threaded pin protruding from the groove and / or an internal thread, to which a fence panel or another protective fence element of the protective fence system is mounted.

[0016] When the corresponding safety fence element is not bolted together, the counter elements can be moved longitudinally within the corresponding groove and are secured against being pulled out of the groove surface by the undercut. In particular, the counter elements can only be removed from or inserted into the groove at the first or second end. This design and arrangement also applies to the counter elements described below in grooves of other profile tubes. The profile tubes of other components can also preferably be designed as described below and, where appropriate, explained using the profile tubes of the posts.

[0017] Because the groove extends continuously from the first end to the second end of the profile tube, it is possible to shorten the profile tube by cutting it at any point without restricting the screw connection options.

[0018] Preferably, the profile tubes forming the posts each have at least two or exactly two grooves arranged on surfaces of the profile tube facing away from one another, extending from the first end to the second end, in which counter elements can be received to form an undercut.

[0019] The profile tubes are hollow and preferably designed as square profiles, in particular with an at least substantially square cross-section. The cross-section can be identical over the entire length of the profile tube.

[0020] It is particularly advantageous if the profile tubes are made of steel, especially galvanized steel. This allows the profile tubes to be manufactured cost-effectively and offers particularly high strength. Corrosion protection measures beyond galvanizing can be eliminated. Painting the profile tubes is also possible.

[0021] The grooves preferably have an at least substantially closed groove base. The groove base is preferably concavely curved. This facilitates production and allows the counter elements to slide in the grooves, allowing the counter elements to be positioned appropriately before the corresponding safety fence element is screwed into or onto the respective counter element.

[0022] The profile tubes can, for example, be made from rolled sheet metal strips, which are then formed into profile tubes by edging and welding.

[0023] According to one embodiment of the invention, the safety fence system comprises ground anchors that are screwed to the counter elements. This allows the posts to be mounted on the ground.

[0024] The ground anchors are formed, for example, by sheet metal angles or folded sheets. For example, the sheet metal angles or sheets are designed in such a way that they have, on the one hand, legs for screwing to the ground and, on the other hand, legs for screwing to counter elements that are received in corresponding grooves. In particular, a U-shaped leg is provided that encloses a post on three sides and is screwed into two oppositely arranged grooves or into the counter elements provided there. At its lower end, it has three legs or leg sections that can be screwed to the ground and, in particular, each form an angle of 90° to the adjacent leg / leg section.

[0025] According to one embodiment of the invention, the protective fence elements comprise at least one gate hinged on one or more hinges, wherein the hinges are screwed to the counter elements in a corresponding groove.

[0026] Furthermore, the safety fence system can comprise at least one horizontally arranged crossbar mounted between two posts, wherein the crossbar is also formed by a profile tube having at least one groove extending on one surface from the first end to the second end, and wherein at least one counter element is arranged in the groove to form an undercut. The crossbar is mounted to the post by a crossbar connecting piece, in which the crossbar connecting piece is screwed to at least one counter element of the crossbar and / or at least one counter element of the post. Preferably, two grooves are also provided on mutually opposite surfaces of the crossbar.

[0027] The fence panels each have a fence panel frame comprising vertical struts and horizontal struts. The vertical struts and horizontal struts are each formed by a profile tube having at least one groove extending on one surface from the first end to the second end. Preferably, two grooves are provided on opposite surfaces. The vertical struts and the horizontal struts are attached to one another by fence panel connectors. The fence panel connectors are screwed to at least one counter element in a groove in a vertical strut and / or to a counter element in a groove in a horizontal strut.

[0028] The fence panels can preferably also be mounted to the posts using fence panel connectors. This can be done either by screwing the fence panel connectors to the post counter elements or by threading them into a threaded hole in the post, particularly next to the groove. Conventional posts without grooves are also possible. A fence panel connector can simultaneously connect a vertical strut and a horizontal strut, as well as connecting the fence panel to the post. Alternatively, the fence panel struts are attached to each other using fence panel connectors, and the fence panels are attached to the posts using separate connectors.

[0029] If the posts have threaded holes, particularly adjacent to the groove, the number of threaded holes on the two opposite surfaces preferably differs, of which at least one or both have a groove. Thus, the posts, which can be flexibly mounted in various rotational positions due to their design, can be prepared for the optional connection of a safety fence element, selected from various safety fence elements with a different number of suspension points.

[0030] According to one embodiment of the invention, a safety fence element in the form of a gate can also be designed as a door, in particular a hinged door or sliding door. A hinged door is mounted on a post so that it can pivot about a vertical axis. If the hinged door is designed as a single hinged door, it can be enclosed on both sides between two posts. If the hinged door is designed as a double hinged door, two hinged doors positioned next to each other can be enclosed laterally between two posts.

[0031] Even when a protective fence element is designed as such a door, it can be formed by vertical struts and horizontal struts, as previously shown.

[0032] In a method according to the invention for assembling a protective fence system of the type shown, at least one fence panel is assembled by screwing the fence panel connecting pieces and the counter elements in the grooves of the vertical struts and / or horizontal struts.

[0033] Preferably, the posts are mounted on a ground or similar support, and the fence panels are mounted to the posts. The posts can be mounted on the ground after the fence panels are installed, at the same time as the fence panels are installed, or before the fence panels are installed.

[0034] In particular, at least one fence panel or other protective fence element is screwed to the counter elements in one or more posts.

[0035] According to one embodiment of the method according to the invention, at least one profile tube of a post, a crossbar, and / or a fence panel is shortened during assembly. The shortening can be achieved by simply cutting or trimming the profile tube, in particular with a saw and / or an angle grinder.

[0036] The invention will be described below using exemplary embodiments and the figures.

[0037] They show: Fig. 1 is a schematic representation of a protective fence system designed according to the invention; Fig. 2 shows a section of a protective fence system according to the invention with a gate between two fence panels; Fig. 3 the area of ​​the upper left corner of the gate from the Fig. 2 in a front view; Fig. 4 the area of ​​the upper left corner of the gate in a view obliquely from above; Fig. 5 a vertically central region of the gate; Fig. 6 a lower part of the gate with a ground connection of the post; Fig. 7 the ground end of the post from the Fig. 6 in a view obliquely from below; Fig. 8 a rear view of the gate; Fig. 9 a section of the protective fence system with mesh panels arranged between the posts; Fig. 10 the connection of the grid mats to a post; Fig. 11 the rear view of a double gate: Fig. 12 a first embodiment of counter elements; Fig. 13 a second embodiment of a counter element; Fig. 14 shows a possible design of a protective fence system according to the invention in an exploded view; Fig. 15 an embodiment of a connecting piece for connecting fence panels to a post on both sides; Fig. 16 an embodiment of a connecting piece for connecting a fence panel to a post on one side; Fig. 17 shows a further embodiment of a connecting piece for connecting a fence panel to a post; Fig. 18 an embodiment of a simple hinged door in a protective fence system according to the invention in an exploded view; Fig. 19 an embodiment of a double wing door in a protective fence system according to the invention in an exploded view; Fig. 20 an embodiment of a sliding door in a protective fence system according to the invention in an exploded view.

[0038] In the Fig. 1 shows an exemplary safety fence system comprising a plurality of vertically aligned posts 1, to which fence panels 2, gates 6 in the form of single or double doors, and mesh mats 11 are mounted. The arrangement of the plurality of gates 6, fence panels 2, and mesh mats 11 over various sections of the safety fence system arranged at an angle to one another serves only to illustrate the invention, and in practice, only a small number of gates 6, in particular a single gate 6, and either fence panels 2 or mesh mats 11 are provided.

[0039] The mesh mats 11, the gates 6 and the fence panels 2 are each collectively referred to as protective fence elements.

[0040] In the Fig. 2 is a Fig. Figure 1 shows an enlarged view of a gate 6, shown here in the form of a single gate / door with only one leaf. The gate 6 is arranged between two posts 1, which are connected at the upper end by a crossbar 7. The crossbar 7 thus forms a lintel for the gate 6 or for the access opening closed by the gate.

[0041] To the right and left of the gate 6, fence panels 2 are provided between corresponding posts 1 and mounted on the posts 1. The posts 1 are mounted to a ground with ground anchors 4.

[0042] In the Fig. 3 shows a front view of the area of ​​the upper left corner of the gate 6. From this view and the views in the Fig. Figures 4 to 7 show further details of the construction and connection of the fence panels 2, the crossbar 7, the gate 6, the ground anchor 4 and the posts 1.

[0043] In the Fig. 8 shows a corresponding back side of the gate 6.

[0044] The posts 1 are each formed by a profile tube, which preferably has a consistent cross-section or cross-sectional contour over its entire length, and have a first end 1.1 and a second end 1.2. On two opposing surfaces of the posts 1, here on the front and back, a groove 1.3 extends from the first end 1.1 to the second end 1.2.

[0045] Counter elements 3 are inserted into the grooves 1.3, which can be designed as shown, for example, in the Fig. 12 and Fig. 13. The counter elements 3 according to the Fig. 12 have an internal thread 3.1 into which a screw 12 is screwed in order to fasten a corresponding protective fence element to the counter element 3 and thus to the component which has the groove 1.3 into which the counter element 3 is inserted. In the embodiment according to the Fig. 13, however, the counter element 3 has a threaded pin 3.2 which, when the counter element 3 is inserted into a groove 1.3, protrudes from the groove 1.3 so that a corresponding protective fence element with a bore can be pushed over the threaded pin 3.2 and can be tightened by means of a nut.

[0046] When not screwed together, the counter elements 3 are continuously longitudinally displaceable in the grooves 1.3 and can thus be fastened at any point in the respective groove 1.3 by tightening the screw connection.

[0047] The screws 12 are also shown in the other figures. These screws 12 are used to screw the corresponding safety fence elements into corresponding grooves 1.3 of posts 1, crossbars 7, vertical struts 9.1 or horizontal struts 9.2 of fence panel frames 9, or cross struts 6.1 or longitudinal struts 6.2 of gates 6. In the illustrated embodiment, screws 13 are also provided, with which the safety fence elements are screwed into threaded holes 1.5 of the posts 1, with the threaded holes 1.5 being located laterally next to the grooves 1.3.

[0048] The counter elements 3 preferably have one or more spring tongues 3.3, with which they are pressed against the groove bottom 1.4, which is advantageously concave (see the Fig. 7), are elastically tensioned, which facilitates the positioning of the counter elements 3 at a desired position in the groove 1.3, since the elastic pre-tension prevents unwanted slipping of the counter elements 3 in the respective groove 1.3.

[0049] For example, the ground anchors 4 are screwed to the posts 1 by means of the counter elements 3 accommodated in the grooves 1.3, see especially the Fig. 6. The ground anchors 4 are formed, for example, by folded sheet metal or sheet metal angles, which extend, in particular, in a U-shape around the post 1, so that corresponding screws 12 can be screwed into counter elements 3 in grooves 1.3 on opposite sides of the post 1. Angled foot legs with a through hole enable the ground anchor 4 to be screwed to the ground.

[0050] Hinges 5, on which a gate 6 is suspended pivotably about a vertical axis, are preferably screwed into a groove 1.3 of the corresponding item 1, see the Fig. 2. Accordingly, corresponding counter elements 3 are also positioned at these positions in the groove 1.3.

[0051] Like the posts 1, the crossbar 7 is also formed by such a profile tube, which extends from the first end 1.1 to the second end 1.2 and has grooves 1.3 provided on two opposite sides, which extend from the first end 1.1 to the second end 1.2. The crossbar 7 is attached to the post 1 with a crossbar connecting piece 8. As can be seen from the Fig. As can be seen in Figure 8, the crossbar connecting piece 8 can be designed, for example, as a sheet metal tab with through holes. At the respective ends 1.1, 1.2 of the posts 1 and the crossbar 7, counter elements 3 are inserted into the grooves 1.3, to which the crossbar connecting pieces 8 are screwed with screws 12, so that the crossbars 7 are screwed to the posts 1. Alternatively, counter elements 3 with threaded pins 3.2 could also be used, as previously explained.

[0052] As from the Fig. As can be seen in Figure 5, a locking mechanism of the gate 6 can also be screwed into a corresponding groove 1.3 of the post 1. However, another mounting arrangement is also possible.

[0053] Gate 6 can, as can be seen from the Fig. 5, have a central cross strut 6.1, which is mounted with a door connecting element 14 on a longitudinal strut 6.2 of the door 6. The door connecting element 14 is preferably screwed at least in a corresponding groove 1.3 of the cross strut 6.1 and / or the longitudinal strut 6.2, in the Fig. 5 only in the longitudinal strut 6.2, since the cross strut 6.1 has additional threaded holes 1.5 next to the groove 1.3 and the door connecting element 14 is screwed to the cross strut 6.1 with screws 13.

[0054] A cross brace 6.1 can also be provided at the upper and lower ends of the gate 6, which is screwed to the corresponding longitudinal braces 6.2 arranged on both sides of the gate 6, see especially the Fig. 3, Fig. 4, Fig. 6 and Fig. 7. Here, the corresponding door connecting element 14 is screwed into the corresponding grooves 1.3 of the cross struts 6.1 and the longitudinal struts 6.2, see the screws 12.

[0055] By providing the cross struts 6.1 and longitudinal struts 6.2 with the groove 1.3, the size of the gate 6 can be easily adjusted without having to drill new holes or the like in the cross struts 6.1 and longitudinal struts 6.2.

[0056] The fence panels 2 also have a fence panel frame 9, which is formed by vertical struts 9.1 and horizontal struts 9.2. The vertical struts 9.1 and horizontal struts 9.2 each have at least one groove 1.3, preferably two grooves 1.3 on opposite sides. Corresponding counter elements 3 are arranged in the grooves 1.3, see, for example, the Fig. 12 or Fig. 13 shown counter elements 3. Fence panel connecting pieces 10 are screwed to the counter elements 3 with screws 12. As can be seen particularly well from the Fig. As can be seen in Figure 7, a fence panel connecting piece 10 is screwed to each vertical strut 9.1 and to each horizontal strut 9.2 to connect the two struts 9.1, 9.2. Preferably, the fence panel connecting piece 10 can also be additionally screwed to the post 1, either in the groove 1.3 of the post or, as shown here, by means of a screw 13 in a threaded hole 1.5 next to the groove 1.3.

[0057] In the Fig. 11, a floor bolt 15 is further screwed onto the rear side of a wing of the gate 6, which is designed as a double gate, which is preferably also screwed into at least a corresponding groove 1.3 of the cross strut 6.1 and / or longitudinal strut 6.2 of the gate 6.

[0058] In the Fig. 9 and Fig. Figure 10 shows a possible connection of mesh panels 11 to the fence post 1. Such mesh panels 11 can be provided in addition to the fence panels 2 constructed according to the invention. In the illustrated embodiment, the mesh panels 11 are screwed into threaded holes 1.5 in the fence post via tabs with screws 13. Alternatively, the tabs could also be screwed into corresponding counter elements 3 in the grooves 1.3.

[0059] In the illustrated embodiment, the mesh panels 11 are screwed to the post 1 on each side using four tabs, whereas the fence panels 2 are screwed to the post 1 with only two fence panel connectors 10. Therefore, each post 1 preferably has two adjacent vertical rows of four threaded holes 1.5 on one surface and two vertical rows of two threaded holes 1.5 on an opposite surface. Thus, the post can be rotated accordingly, depending on which protective fence element—fence panel 2 or mesh panel 11—is to be screwed on. The number of threaded holes 1.5 is to be understood as an example and can vary.

[0060] In the Fig. Figure 14 shows an exploded view of a safety fence system, which here, as an example, has three posts 1 and two fence panels 2. In practice, a larger number of posts 1 and fence panels 2 are usually provided, and usually at least one gate, which is also referred to here as a door. The posts are designed, for example, as previously explained.

[0061] The posts 1 are preferably screwed to the ground using ground anchors 4. However, this is not mandatory.

[0062] The fence panels 2 each have a fence panel frame 9, which comprises or is formed from vertical struts 9.1 and horizontal struts 9.2. The vertical struts 9.1 and the horizontal struts 9.2 are each formed by a profile tube which, as shown, has at least one groove 1.3 extending on a surface from a first end 1.1 to the second end 1.2. The vertical struts 9.1 and the horizontal struts 9.2 are mounted to one another by fence panel connecting pieces 10, which are each screwed to at least one counter element 3 of a vertical strut 9.1 and a counter element 3 of a horizontal strut 9.2. The counter elements 3 are arranged in the grooves 1.3 to form an undercut.

[0063] This allows the vertical struts 9.1 and the horizontal struts 9.2 to be particularly easily shortened to a suitable length in order to adapt the size of a fence panel 2. The shortened vertical struts 9.1 and the horizontal struts 9.2 can then be screwed together with the fence panel connectors 10 and the counter elements 3 in the grooves 1.3 by inserting screws 12 through the fence panel connectors 10 and screwing them into the counter elements 3.

[0064] In the Fig. In the embodiment shown in Fig. 14, the fence panel connecting pieces 10 serve only to connect the vertical struts 9.1 and the horizontal struts 9.2, but not to connect the fence panels 2 to the post 1. For this purpose, additional connecting pieces 16 are provided, which are screwed at least to counter elements 3 in the fence post 1.

[0065] Examples of such connectors 16 are shown in the Fig. 15 to 18 shown.

[0066] In the Fig. 15 shows an exemplary connector 16 made of bent sheet metal, although this is not mandatory. The connector 16 has an opening 3.4 through which a screw 12 can be inserted to screw the connector 16 to a counter element 3 in a post 1. Preferably, projections 3.5 are provided next to the opening 3.4 on the connector 16, which engage in a corresponding groove 1.3 in the post 1 to align the connector 16 relative to the profile tube of the post 1.

[0067] The connection of the connecting piece 16 to a vertical strut 9.1 and / or horizontal strut 9.2 could also be achieved via at least one screw 12 and at least one counter element 3. In the illustrated embodiment, however, such a positive and simultaneously frictional connection is dispensed with, and the projections 3.5, which are assigned to the fence panels, have a profile to form an undercut with a corresponding groove 1.3 in a profile tube, so that the projections 3.5 can be moved within the groove 1.3, but cannot be pulled out of the groove perpendicular to the longitudinal extent of the groove 1.3. Thus, the projections 3.5 take over the function of the counter elements 3, and a corresponding screw connection with a screw 12 can be dispensed with.

[0068] The projections 3.5 positioned next to the opening 3.4 could also have a corresponding profile to form the aforementioned undercut in the groove 1.3. However, this is not mandatory.

[0069] The position of the connecting piece 16 is determined and the connecting piece 16 is locked in this position by means of the connection with the screw 12 and the counter element 3 on the post 1.

[0070] In principle, a connection of the connecting piece 16 to the post 1 is only possible with at least one correspondingly profiled projection 3.5 in order to form the undercut in the groove 1.3 of the post 1.

[0071] With the connector 16 according to the Fig. 15, two fence panels 2 can be mounted on opposite sides of a post 1 on the post 1, see the Fig. 14. Using the connector 16 according to the Fig. 16, a fence panel 2 can be mounted on one side of the post 1. With the connecting piece 16 of the Fig. 17, a fence panel 2 can be fixed with its lateral end face to a post 1, whereas the connecting pieces 16 according to the Fig. 15 and Fig. 16 attack from below on the fence panels 2 to carry them.

[0072] In the Fig. Figure 18 again shows the integration of a gate 6 in the form of a simple hinged door between two posts 1. Here, too, the gate 6 is connected with hinges 5, allowing the gate 6 to pivot about a vertical axis. The gate 6 comprises cross struts 6.1 and longitudinal struts 6.2, which are connected to each other via gate connecting elements 14, as previously shown. The remaining elements for connecting and operating the gate 6 are also mounted with screw connections on the gate 6 or the post 1.

[0073] The Fig. Figure 19 shows a gate 6 in the form of a double-leaf door. Accordingly, both leaves are connected to the post 1 with hinges 5. The above description also applies here, and preferably, all elements for operating and assembling the gate 6 are mounted with screw connections.

[0074] In the Fig. 20, a gate 6 is designed as a sliding gate. Here, too, the cross struts 6.1 and longitudinal struts 6.2 are bolted together by gate connecting elements 14, with the cross struts 6.1 and longitudinal struts 6.2 being constructed from profile tubes with a corresponding groove 1.3. Again, all elements for assembly and operation of the gate 6 are bolted together.

[0075] This means that gates 6 are also open according to the Fig. 18 to 20 can be easily adapted to the on-site conditions by shortening the profile tubes to the desired length and then simply screwing them together. List of reference symbols 1 post 1.1 first end 1.2 second end 1.3 Groove 1.4 Groove bottom 1.5 Threaded hole 2 fence panels 3 Counter element 3.1 Internal thread 3.2 Threaded pin 3.3 Spring tongue 3.4 Opening 3.5 Lead 4 Ground anchoring 5 Hinge 6 goals 6.1 Cross brace 6.2 Longitudinal strut 7 crossbars 8 Crossbar connector 9 fence panel frames 9.1 Vertical brace 9.2 Horizontal brace 10 fence panel connector 11 Grid mat 12 screw 13 Screw 14 Gate connecting element 15 floor bars 16 connecting piece

Claims

[1] A safety fence system comprising a plurality of vertically aligned posts (1) having a first end (1.1) and an opposite second end (1.2), and a plurality of safety fence elements mounted on the posts (1), wherein the safety fence elements comprise fence panels (2) arranged between the posts (1); wherein the fence panels (2) each have a fence panel frame (9) comprising vertical struts (9.1) and horizontal struts (9.2), wherein the vertical struts (9.1) and the horizontal struts (9.2) are each formed by a profile tube having at least one groove (1.3) extending on a surface from the first end (1.1) to the second end (1.2), wherein a plurality of counter elements (3) are each arranged to form an undercut in the grooves (1.3), and the vertical struts (9.1) and horizontal struts (9.2) are mounted to one another by fence panel connecting pieces (10). characterized bythat the fence panel connecting pieces (10) are each screwed to at least one counter element (3) of a vertical strut (9.1) and / or at least one counter element (3) of a horizontal strut (9.2). [2] Protective fence system according to claim 1, characterized by in that the posts (1) are each formed by a profile tube which has at least one groove (1.3) extending on a surface from the first end (1.1) to the second end (1.2); wherein a plurality of counter elements (3) are each arranged to form an undercut in the grooves (1.3) of the posts (1), and the counter elements (3) each have at least one threaded pin (3.2) protruding from the groove (1.3) of the respective post (1) and / or an internal thread (3.1), to which a fence panel (2) or another protective fence element is mounted. [3] Protective fence system according to claim 2, characterized bythat the fence panels (2) are mounted on the posts (1) with the fence panel connecting pieces (10) and / or with connecting pieces (16), in particular on counter elements (3) in the grooves (1.3) of the posts (1). [4] Protective fence system according to one of claims 1 to 3, characterized by that the profile tubes forming the posts (1) each have at least two or exactly two grooves (1.3) arranged on surfaces facing away from one another, extending from the first end (1.2) to the second end (1.2), in which counter elements (3) can be received to form an undercut. [5] Protective fence system according to one of claims 1 to 4, characterized by that the profile tubes of the vertical struts (9.1), the horizontal struts (9.2) and / or the posts (1) are each designed as a square profile, in particular with at least a substantially square cross-section. [6] Protective fence system according to one of claims 1 to 5, characterized bythat the profile tubes of the vertical struts (9.1), the horizontal struts (9.2) and / or the posts (1) are made of steel, in particular galvanized steel. [7] Protective fence system according to one of claims 1 to 6, characterized by that the grooves (1.3) have a closed groove bottom (1.4). [8] Protective fence system according to claim 7, characterized by that the groove bottom (1.4) is concavely curved. [9] Protective fence system according to one of claims 1 to 8, characterized by that the profile tubes are made from rolled sheet metal strips which are formed into the profile tubes by edging and welding. [10] Protective fence system according to one of claims 1 to 9, characterized by that the posts (1) comprise ground anchors (4) which are screwed to the counter elements (3) of the posts (1). [11] Protective fence system according to claim 10, characterized bythat the ground anchors (4) are formed by sheet metal angles or folded sheets. [12] Protective fence system according to one of claims 1 to 11, characterized by that the protective fence elements comprise at least one gate (6) hingedly suspended on one or more hinges (5), wherein the hinges (5) are screwed to the counter elements (3) of the posts (1) and in particular to the counter elements (3) of the vertical struts (9.1) and / or horizontal struts (9.2). [13] Protective fence system according to one of claims 1 to 12, characterized byin that the protective fence system comprises at least one horizontally arranged crossbar (7) which is mounted between two posts (1), wherein the crossbar (7) is also formed by a profile tube which has at least one groove (1.3) extending on a surface from the first end (1.1) to the second end (1.2), wherein a plurality of counter elements (3) are each arranged to form an undercut in the groove (1.3) of the crossbar (7), the crossbar (7) is mounted to the post (1) by crossbar connecting pieces (8), and the crossbar connecting pieces (8) are each screwed to at least one counter element (3) of the crossbar (7) and / or at least one counter element (3) of the post (1). [14] Protective fence system according to one of claims 1 to 13, characterized by that the posts (1) have threaded holes (1.5) next to the groove (1.3). [15] Protective fence system according to claim 14, characterized bythat the number of threaded holes (1.5) on two opposite surfaces of the posts (1) is different. [16] A protective fence system according to claim 13 and claim 14 or 15, characterized by that the fence panel connecting pieces (10) are screwed to the counter elements (3) of the post (1) or are screwed into threaded holes (1.5) of the post (1) provided next to the groove (1.3). [17] A method for assembling a protective fence system according to any one of claims 1 to 16, comprising the following steps: Mounting the posts (1) to a floor or the like; Mounting the fence panels (3) to the posts (1); characterized by , that at least one fence panel (2) by screwing the Fence panel connecting pieces (10) and the counter elements (3) are mounted in the grooves (1.3) of the vertical struts (9.1) and / or horizontal struts (9.2). [18] Method according to claim 17, characterized bythat at least one fence panel (2) or another protective fence element is screwed to the counter elements (3) in one or more posts (1). [19] Method according to claim 17 or 18, characterized by that at least one profile tube of a post (1), a crossbar (7) and / or a fence panel frame (9) is shortened during assembly.

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