Roof steel net rack

Abstract

The utility model relates to the technical field of roof steel net racks, in particular to a roof steel net rack which comprises a plurality of arc-shaped supports arranged side by side and transverse supports arranged between the adjacent arc-shaped supports, a plurality of spherical nodes are fixedly arranged on the arc-shaped supports, the two ends of each transverse support are connected with the spherical nodes, and the two ends of each transverse support are connected with the spherical nodes. Supporting stand columns are arranged at the bottoms of the two ends of the arc-shaped support. According to the roof steel net rack, the structure that the arc-shaped support and the transverse supports are combined is adopted, the spherical nodes are arranged on the arc-shaped support, the spherical nodes and the arc-shaped support are integrally formed, the transverse supports are fixed to the two sides of the spherical nodes, and therefore only two nodes are welded on the spherical supports, the workload is reduced, and meanwhile the working efficiency is improved. The number of rod pieces and the number of welding joints are reduced, and therefore stress of the steel net frame is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of roof steel grids, and more specifically, particularly to a roof steel grid. Background Art

[0002] The grid structure is generally a spatial structure formed by multiple rods in a certain grid and connected by nodes. It has the advantages of small spatial force, light weight, and high rigidity. It can be used as the roof of buildings such as gymnasiums, theaters, exhibition halls, waiting halls, stadium stand awnings, hangars, and two-way large column spacing workshops. However, the existing roof steel grid has a large number of rods converging at the nodes, which makes the force at the nodes complex and the nodes are easily damaged, causing the steel grid to be destroyed. Utility Model Content

[0003] The utility model aims to overcome the problem that a large number of rods converge at nodes of the existing roof steel grid, which makes the force at the nodes complex and the nodes are easily damaged, causing the destruction of the steel grid. The utility model aims to provide a roof steel grid, which adopts a structure combining an arc bracket and a transverse bracket. A spherical node is arranged on the arc bracket, and the spherical node and the arc bracket are integrally formed, and the transverse bracket is fixed on both sides of the spherical node, so that only two nodes are welded on the spherical bracket. While the workload is reduced, the number of rods and the number of welding nodes are reduced, thereby simplifying the force of the steel grid.

[0004] A roof steel grid comprises a plurality of arc-shaped supports arranged side by side and a transverse support arranged between adjacent arc-shaped supports, wherein a plurality of spherical nodes are fixedly arranged on the arc-shaped supports, the two ends of the transverse support are connected to the spherical nodes, and support columns are arranged at the bottom of the two ends of the arc-shaped supports.

[0005] Furthermore, the end of the transverse bracket is welded to the spherical node.

[0006] Furthermore, a welding convex point is arranged on the spherical node, and a welding sheet is arranged at the end of the transverse bracket, and the welding sheet is welded to the welding convex point.

[0007] Furthermore, a groove is provided on the spherical node, the welding protrusion is located outside the groove, a connecting rod is axially arranged at the end of the transverse bracket, the welding sheet is fixed on the connecting rod, and one end of the connecting rod away from the transverse bracket is inserted into the groove.

[0008] Furthermore, a thread groove is provided at the end of the transverse bracket, and an end of the connecting rod close to the transverse bracket is provided with an external thread matched with the thread groove, and the connecting rod is threadedly connected to the transverse bracket.

[0009] Furthermore, the arc-shaped bracket includes a plurality of longitudinal struts, and the opposite sides of the spherical node are integrally arranged with the longitudinal struts.

[0010] Furthermore, at least two of the welding protrusions are arranged outside the groove and distributed in a ring array, and the welding protrusions are integrally arranged with the spherical node.

[0011] Furthermore, an installation mechanism is provided between the support column and the arc-shaped bracket, and the installation mechanism includes a mounting platform, a mounting seat and a connecting piece. The mounting platform is fixed to the upper end of the support column, the mounting seat is fixed to the end of the arc-shaped bracket, and the mounting seat is connected to the mounting platform through the connecting piece.

[0012] Furthermore, the connecting member is a fixing screw, which is fixed to the top surface of the mounting platform, and the mounting seat is correspondingly provided with a fixing through hole, the mounting seat is passed through by the fixing screw and is arranged on the mounting platform, and a fixing nut is arranged on the fixing screw.

[0013] Furthermore, the welding bump is a columnar structure.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The roof steel grid frame in the utility model adopts a structure combining an arc bracket and a transverse bracket. A spherical node is arranged on the arc bracket, and the spherical node and the arc bracket are integrally formed, and the transverse bracket is fixed on both sides of the spherical node, so that only two nodes are welded on the spherical bracket. While the workload is reduced, the number of rods and the number of welding nodes are reduced, thereby simplifying the force of the steel grid frame.

[0016] The roof steel grid frame of the utility model has welding convex points arranged on the spherical nodes, which are welded to the welding sheets through the welding convex points. The spherical nodes are not directly contacted during welding, thereby reducing the influence of temperature changes during welding on stress changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the roof steel grid in the embodiment of the utility model.

[0019] Figure 2 It is a schematic diagram of the connection structure between the transverse bracket and the spherical node in an embodiment of the utility model.

[0020] Figure 3 It is an exploded view of the connection structure between the transverse bracket and the spherical node in the embodiment of the utility model.

[0021] Figure 4 It is an exploded view of the connection structure between the transverse bracket and the spherical node in the embodiment of the utility model from another perspective.

[0022] Figure 5 It is a schematic diagram of the connection structure between the arc-shaped bracket and the supporting column in the embodiment of the utility model.

[0023] Figure 6 It is an exploded view of the connection structure between the arc-shaped bracket and the supporting column in the embodiment of the utility model.

[0024] In the figure: 1. arc bracket; 2. horizontal bracket; 3. spherical node; 4. supporting column; 5. welding protrusion; 6. welding plate; 7. groove; 8. connecting rod; 9. thread groove; 10. external thread; 11. longitudinal support; 12. installation mechanism; 121. installation platform; 122. mounting seat; 123. fixing screw; 124. fixing nut. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1 As shown, the roof steel grid in this embodiment includes an arc bracket 1, a transverse bracket 2 and a support column 4. Among them, a plurality of arc brackets 1 are arranged side by side at equal intervals, and a plurality of spherical nodes 3 are fixedly arranged on the arc bracket 1, and the plurality of spherical nodes 3 are also arranged at equal intervals. A plurality of transverse brackets 2 are arranged between two adjacent arc brackets 1, and the two ends of each transverse bracket 2 are respectively connected to two symmetrical spherical nodes 3. The support column 4 is arranged below the two ends of the arc bracket 1, and the support column 4 is arranged vertically and the upper end is connected to the end of the arc bracket 1.

[0027] Specifically, in this embodiment, if Figure 2 , Figure 3 as well as Figure 4As shown, the end of the transverse bracket 2 is connected to the spherical node 3 by welding. Preferably, a welding convex point 5 is provided on the spherical node 3, and the welding convex point 5 is integrally formed with the spherical node 3. A welding sheet 6 is provided at the end of the transverse bracket 2, and the welding sheet 6 is welded to the welding convex point 5. The welding convex point 5 is provided on the spherical node 3, and the welding convex point 5 is welded to the welding sheet 6, and the spherical node 3 is not directly contacted during welding, thereby reducing the influence of temperature change on stress change during welding.

[0028] In this embodiment, at least two welding bumps 5 are arranged on the outside of the groove 7 and are distributed in the form of a ring array. The number of welding plates 6 is the same as the number of welding bumps 5 and is also distributed in the form of a ring array. The welding plates 6 correspond to the welding bumps 5 one by one. The welding bumps 5 are integrally arranged with the spherical node 3. The welding bumps 5 have a columnar structure, and the end face of the welding bump 5 away from the spherical node 3 is welded to the welding plate 6.

[0029] In this embodiment, a groove 7 is provided on the spherical node 3, the welding protrusion 5 is located outside the groove 7, a connecting rod 8 is axially provided at the end of the transverse bracket 2, a welding sheet 6 is fixed on the connecting rod 8, and one end of the connecting rod 8 away from the transverse bracket 2 is adapted to the groove 7 and inserted into the groove 7. By providing the groove 7 on the spherical node 3, the end of the connecting rod 8 away from the transverse bracket 2 is inserted into the groove 7, and then when welding is performed, the transverse bracket 2 can be preliminarily positioned, which is convenient for subsequent welding work.

[0030] In this embodiment, a thread groove 9 is provided at the end of the transverse bracket 2, and an external thread 10 matching the thread groove 9 is provided at one end of the connecting rod 8 close to the transverse bracket 2, so that the connecting rod 8 is threadedly connected to the transverse bracket 2. By providing the thread groove 9 at the end of the transverse bracket 2 and providing the external thread 10 at one end of the connecting rod 8 close to the transverse bracket 2, the connecting rod 8 is threadedly connected to the transverse bracket 2, which is convenient for installation and disassembly on the one hand, and can adjust the length of the connecting rod 8 outside the transverse bracket 2 by rotating the connecting rod 8, so as to adapt to the distance between two adjacent arc-shaped brackets 1.

[0031] In this embodiment, the arc-shaped bracket 1 includes a plurality of longitudinal struts 11 , the spherical node 3 is disposed between two adjacent longitudinal struts 11 , and the spherical node 3 and the longitudinal struts 11 are integrally disposed.

[0032] The roof steel grid frame in this embodiment adopts a structure combining an arc bracket 1 and a transverse bracket 2. A spherical node 3 is set on the arc bracket 1, and the spherical node 3 and the arc bracket 1 are integrally formed, and the transverse bracket 2 is fixed on both sides of the spherical node 3, so that only two nodes are welded on the spherical bracket. While the workload is reduced, the number of rods and the number of welding nodes are reduced, thereby simplifying the force of the steel grid frame.

[0033] In this embodiment, if Figure 5 as well as Figure 6 As shown, a mounting mechanism 12 is provided between the support column 4 and the arc-shaped bracket 1, and the mounting mechanism 12 includes a mounting platform 121, a mounting seat 122 and a connecting piece. The mounting platform 121 is horizontally fixed to the upper end of the support column 4, and the mounting seat 122 is horizontally fixed to the end of the arc-shaped bracket 1. The mounting seat 122 is connected to the mounting platform 121 through a connecting piece. Preferably, the connecting piece is a fixing screw 123, and the fixing screw 123 is fixed to the top surface of the mounting platform 121. The mounting seat 122 is provided with a fixing through hole corresponding to the fixing screw 123. The fixing screw 123 passes through the mounting seat 122 and is provided on the mounting platform 121. The fixing screw 123 is provided with a fixing nut 124. The cross-sections of the mounting platform 121 and the mounting seat 122 are square structures of the same size. The fixing screw 123 is provided at the four corners of the top surface of the mounting platform 121, and the fixing through holes are provided at the four corners of the mounting seat 122.

[0034] The roof steel grid in this embodiment is connected to the arc bracket 1 by setting a mounting mechanism 12 between the supporting column 4 and the arc bracket 1 through a mounting platform 121, a mounting seat 122, a fixing screw 123 and a fixing nut 124, which is convenient for installation and disassembly.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A roof steel grid, characterized in that: The invention comprises a plurality of arc-shaped brackets (1) arranged side by side and a transverse bracket (2) arranged between adjacent arc-shaped brackets (1); a plurality of spherical nodes (3) are fixedly arranged on the arc-shaped brackets (1); two ends of the transverse brackets (2) are connected to the spherical nodes (3); and supporting columns (4) are arranged at the bottom of both ends of the arc-shaped brackets (1).

2. The roof steel grid according to claim 1, characterized in that: The end of the transverse bracket (2) is welded to the spherical node (3).

3. The roof steel grid according to claim 2, characterized in that: The spherical node (3) is provided with a welding convex point (5), and the end of the transverse bracket (2) is provided with a welding sheet (6), and the welding sheet (6) is welded to the welding convex point (5).

4. The roof steel grid according to claim 3, characterized in that: The spherical node (3) is provided with a groove (7), the welding protrusion (5) is located outside the groove (7), a connecting rod (8) is axially arranged at the end of the transverse bracket (2), the welding sheet (6) is fixed on the connecting rod (8), and one end of the connecting rod (8) away from the transverse bracket (2) is inserted into the groove (7).

5. The roof steel grid according to claim 4, characterized in that: The end of the transverse bracket (2) is provided with a thread groove (9), and the end of the connecting rod (8) close to the transverse bracket (2) is provided with an external thread (10) adapted to the thread groove (9), and the connecting rod (8) is threadedly connected to the transverse bracket (2).

6. The roof steel grid according to claim 1, characterized in that: The arc-shaped bracket (1) comprises a plurality of longitudinal struts (11), the spherical node (3) is arranged between two adjacent longitudinal struts (11), and the spherical node (3) and the longitudinal struts (11) are arranged in one piece.

7. The roof steel grid according to claim 4, characterized in that: At least two of the welding convex points (5) are arranged outside the groove (7) and are distributed in a ring array form, and the welding convex points (5) are integrally arranged with the spherical node (3).

8. The roof steel grid according to claim 1, characterized in that: A mounting mechanism (12) is provided between the supporting column (4) and the arc-shaped bracket (1), the mounting mechanism (12) comprising a mounting platform (121), a mounting seat (122) and a connecting piece, the mounting platform (121) being fixed to the upper end of the supporting column (4), the mounting seat (122) being fixed to the end of the arc-shaped bracket (1), and the mounting seat (122) being connected to the mounting platform (121) via the connecting piece.

9. The roof steel grid according to claim 8, characterized in that: The connecting member is a fixing screw (123), the fixing screw (123) is fixed to the top surface of the mounting platform (121), the mounting seat (122) is correspondingly provided with a fixing through hole, the mounting seat (122) is passed through by the fixing screw (123) and is arranged on the mounting platform (121), and a fixing nut (124) is arranged on the fixing screw (123).

10. The roof steel grid according to claim 7, characterized in that: The welding protrusion (5) is in a columnar structure.

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