Large-span truss structure

Abstract

The large-span truss structure comprises a main body assembly and a connecting assembly, the main body assembly comprises a plurality of sets of transverse rods and a plurality of sets of upper rods, clamping plates are welded to the two ends of each transverse rod, the upper rods are welded to the clamping plates, and the upper rods and the transverse rods form a triangle. According to the utility model, the bearing plate is matched and clamped with the embedded groove in the clamping plate, alignment support at a vertical position is carried out, the plurality of clamping columns on the bearing plate are transversely clamped into the clamping grooves, transverse limiting is carried out, the clamping plate is prevented from transversely swinging and separating, the abutting plate is clamped into the abutting groove, and connection is carried out through the abutting bolt; the abutting plate abuts against the clamping column, separation of the clamping column is avoided, splicing type clamping is achieved, traditional alignment installation of a plurality of screw holes is avoided, the clamping groove and the clamping column are clamped in a matched mode, operation is convenient and fast, connection is fast, and installation is convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of truss structures, in particular to a large-span truss structure. Background Art

[0002] Green building refers to high-quality buildings that save resources, protect the environment, reduce pollution, provide people with healthy, applicable and efficient use space, and maximize the harmonious coexistence of man and nature throughout their entire life cycle. Truss structure is a structure composed of rods connected to each other at both ends with hinges. Buildings built with truss structure have fast construction speed and high strength, and the truss structure is recyclable, meeting the requirements of green buildings.

[0003] The existing truss structure is composed of straight rods. The truss rods mainly bear axial tension or pressure, so as to fully utilize the strength of the material. The two ends are welded to the plates, threaded holes are opened on the plates, and the plates are installed and connected by bolts.

[0004] However, the existing top supporting truss structures for green buildings are mostly rectangular in shape. Due to the limitation of the overall structural strength, when installed over a large span, the force strength in the middle is prone to be too large, resulting in overall bending. The overall large-span connection support strength is not high, and during the installation and connection process, the installation and disassembly operations are not convenient and fast enough. Since the multiple connection holes need to be installed and aligned, the connection operation is not easy and the use effect is not good. Based on this, the utility model designs a large-span truss structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a large-span truss structure to solve the above-mentioned problems that the overall large-span connection support strength is not high and the installation and disassembly operations are not convenient and fast enough during the installation and connection process.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A long-span truss structure comprises a main component and a connecting component, wherein the main component comprises multiple groups of cross bars and multiple groups of upper bars, both ends of the multiple groups of cross bars are welded with clamping plates, the multiple groups of upper bars are welded on the clamping plates and form a triangle with the multiple groups of cross bars, the top ends of the multiple groups of upper bars are welded with top plates, the inclined pull rods are welded on the clamping plates at both ends and the other ends are welded to the upper ends of the corresponding upper bars, and the intersections of the two groups of upper bars are welded with intersection blocks, and the intersection blocks are X-shaped, and multiple connecting rods are welded between the multiple groups of cross bars and the multiple groups of upper bars. The connecting component comprises a socket plate, and multiple groups of clamping columns are fixedly welded on the socket plate, and the clamping plate is respectively provided with an embedding groove, a clamping groove and a resistance groove, the socket plate is matched and clamped into the embedding groove, and the clamping column is horizontally clamped into the clamping groove, and a resistance plate is installed in the resistance groove, and a resistance bolt is threadedly connected in the resistance groove to limit the resistance plate.

[0008] As a further solution of the utility model: the upper and lower ends of the intersection block are welded with middle tie rods, the top end of the middle tie rod at the upper end is welded to the top plate, and the bottom end of the middle tie rod at the lower end is welded to the cross bar.

[0009] As a further solution of the utility model: a plurality of sleeves are welded on one side of the clamping plate, and the sleeves are matched with a plurality of groups of cross bars and a plurality of groups of upper bars respectively.

[0010] As a further solution of the utility model: a clamp is clamped and installed on the two connecting rods at the upper end, and a lifting ring is welded on the clamp.

[0011] As a further solution of the utility model: the clamp is installed at the middle position of the upper end connecting rod, and the two lifting rings are arranged on the same horizontal plane.

[0012] As a further solution of the utility model: the abutment plate is L-shaped, and the receiving end surface of the receiving plate matches the abutment plate.

[0013] As a further solution of the utility model: the clamping column is T-shaped, and the depth of the clamping groove matches the clamping stroke of the clamping column.

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

[0015] 1. In the utility model, the receiving plate and the embedded groove on the clamping plate are matched and clamped to perform vertical position alignment support, and multiple clamping columns on the receiving plate are clamped into the clamping groove laterally to perform lateral limitation to prevent the clamping plate from swinging laterally and detaching, and the resistance plate is clamped into the resistance groove and connected by the resistance bolt, so that the resistance plate resists the clamping column to prevent the clamping column from detaching, and the splicing clamping installation avoids the traditional alignment installation of multiple screw holes, and the clamping groove and the clamping column are convenient to operate, the connection is fast, and the installation is convenient and efficient.

[0016] 2. In the utility model, a plurality of groups of cross bars and a plurality of groups of upper bars form an overall triangle to form a stable structure, and are connected by a plurality of connecting rods to form a complete connection body. The hollow part inside the truss is connected by crossed diagonal rods and fixed and welded by intersection blocks to form a plurality of stable triangular components. The middle tie rod connects the cross bar and the top plate to strengthen the tensile strength of the middle part, and at the same time, more triangular areas are formed in the internal space, so that the overall force strength of the device is higher and the bearing capacity is stronger. At the same time, the intersection block facilitates the welding connection of multiple rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 It is a schematic diagram of the overall explosion structure of the utility model;

[0020] Figure 4 For the utility model Figure 3 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1, cross bar; 2, clamping plate; 3, connecting rod; 4, upper rod; 5, top plate; 6, oblique tie rod; 7, middle tie rod; 8, clamp; 9, lifting ring; 10, receiving plate; 11, clamping column; 12, embedding groove; 13, clamping groove; 14, resistance groove; 15, resistance plate; 16, resistance bolt; 17, sleeve; 18, intersection block. DETAILED DESCRIPTION

[0022] 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.

[0023] This embodiment;

[0024] See also Figure 1-Figure 4In the embodiment of the utility model, a large-span truss structure includes a main body component and a connecting component. The main body component includes multiple groups of cross bars 1 and multiple groups of upper bars 4. Both ends of the multiple groups of cross bars 1 are welded with clamping plates 2. The multiple groups of upper bars 4 are welded on the clamping plates 2 and form a triangle with the multiple groups of cross bars 1. The tops of the multiple groups of upper bars 4 are welded with top plates 5. The clamping plates 2 at both ends are welded with inclined rods 6 and the other ends are welded to the upper ends of the upper bars 4 in the opposite position. The intersections of the two groups of upper bars 4 are welded with intersection blocks 18, and the intersection blocks 18 are X-shaped. Multiple connecting rods 3 are welded between multiple groups of cross bars 1 and multiple groups of upper bars 4, and clamping plates 2 are welded at both ends of multiple groups of cross bars 1. Top plates 5 are welded on multiple groups of upper bars 4. Multiple groups of cross bars 1 and multiple groups of upper bars 4 form an overall triangle to form a stable structure, and are connected by multiple connecting rods 3 to form a complete connection body. The hollow part inside the truss is connected by a cross-braced rod 6 and fixed and welded by a junction block 18 to form multiple stable triangular components. The overall triangular truss provides a stable support force, which is convenient for large spans. The cross section of the connecting plate 10 has a strong bearing capacity and is not prone to bending in the middle. The connecting component includes a connecting plate 10, on which a plurality of clamping columns 11 are fixedly welded. The clamping plate 2 is respectively provided with an embedding groove 12, a clamping groove 13 and a contact groove 14. The connecting plate 10 is matched and clamped into the embedding groove 12, and the clamping column 11 is horizontally clamped into the clamping groove 13. A contact plate 15 is installed in the contact groove 14. The inner thread of the contact groove 14 is connected with a contact bolt 16 to limit the contact plate 15. The connecting plate 10 is connected with the embedding groove 12 on the clamping plate 2. The matching card connection is carried out to provide vertical position alignment support. The multiple card columns 11 on the receiving plate 10 are laterally inserted into the card slots 13 to perform lateral limiting to prevent the card plate 2 from swinging laterally and detaching. The contact plate 15 is inserted into the contact slot 14 and connected by the contact bolt 16, so that the contact plate 15 is in contact with the card column 11 to prevent the card column 11 from detaching. The splicing card installation avoids the traditional alignment installation of multiple screw holes. The card slots 13 and the card column 11 are convenient to operate, the connection is fast, the installation is convenient and efficient, and the use effect is good.

[0025] Preferably, Figure 1 As shown, the middle tie rod 7 is welded to the upper and lower ends of the intersection block 18, the top end of the upper middle tie rod 7 is welded to the top plate 5, and the bottom end of the lower middle tie rod 7 is welded to the cross bar 1. The cross bar 1 and the top plate 5 are connected by the middle tie rod 7, thereby strengthening the tensile strength in the middle part and forming more triangular areas in the internal space, so that the overall force strength of the device is higher and the bearing capacity is stronger. At the same time, the intersection block 18 facilitates the welding connection of multiple rods.

[0026] Preferably, Figure 4As shown, a plurality of sleeves 17 are welded on one side of the clamping plate 2, and the sleeves 17 are matched with the plurality of cross bars 1 and the plurality of upper bars 4 respectively. The cross bars 1 and the plurality of upper bars 4 are positioned in the early stage of welding by the plurality of sleeves 17, which facilitates the overall positioning welding and improves the welding accuracy.

[0027] Preferably, Figure 3 As shown, the two upper connecting rods 3 are both clamped and installed with clamps 8, and a lifting ring 9 is welded on the clamp 8. The clamp 8 is installed through the connecting rod 3. The lifting ring 9 on the clamp 8 is convenient for lifting with the lifting equipment, which is convenient for overall lifting.

[0028] Preferably, Figure 3 As shown, the clamp 8 is installed in the middle position of the upper end connecting rod 3, and the two lifting rings 9 are set on the same horizontal plane. The clamp 8 in the middle of the connecting rod 3 is balanced on both sides during lifting. The two lifting rings 9 on the same horizontal plane facilitate the horizontal lifting of the lifting equipment and the overall horizontal lifting and installation of the device.

[0029] Preferably, Figure 2 As shown, the contact plate 15 is L-shaped, and the receiving end surface of the receiving plate 10 matches the contact plate 15. The L-shaped contact plate 15 cooperates with the receiving plate 10 for clamping, and the vertical surface and horizontal surface of the contact plate 15 are respectively used for vertical limiting and horizontal bearing to avoid excessive lateral thrust on the clamping column 11.

[0030] Preferably, Figure 3 As shown, the clamping column 11 is T-shaped, and the depth of the clamping groove 13 matches the clamping stroke of the clamping column 11. The upper end of the clamping plate 2 is clamped by the end cap at the upper end of the T-shaped clamping column 11, and multi-directional limiting is performed. The clamping groove 13 with matching depth facilitates the clamping of the clamping column 11, so that the overall installation of the device is stable and shaking is avoided.

[0031] The working principle of the utility model is as follows: the receiving plate 10 is installed on the receiving member, and multiple groups of cross bars 1 and multiple groups of upper bars 4 form an integral triangle to form a stable structure, and are connected by multiple connecting rods 3 to form a complete connection body. The hollow part inside the truss is connected by a cross-bracing rod 6 and fixed and welded by a junction block 18 to form multiple stable triangular components. The overall triangular truss provides a stable support force, which is convenient for large-span crossing. The receiving plate 10 and the embedded groove 1 on the clamping plate 2 2 is matched and connected to provide vertical position support. Multiple clamping columns 11 on the receiving plate 10 are clamped into the clamping groove 13 horizontally to limit the clamping plate 2 horizontally to prevent it from swinging out. The contact plate 15 is clamped into the contact groove 14 and connected by the contact bolt 16, so that the contact plate 15 is in contact with the clamping column 11 to prevent it from being separated. The splicing clamping avoids the alignment installation of multiple screw holes in the traditional way. The clamping groove 13 and the clamping column 11 are convenient to clamp into, the connection is fast, and the installation is convenient and efficient.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A long-span truss structure, comprising a main assembly and a connecting assembly, characterized in that: The main body assembly comprises a plurality of groups of cross bars (1) and a plurality of groups of upper bars (4), both ends of the plurality of groups of cross bars (1) are welded with a clamping plate (2), the plurality of groups of upper bars (4) are welded on the clamping plate (2) and form a triangle with the plurality of groups of cross bars (1), the top ends of the plurality of groups of upper bars (4) are welded with a top plate (5), the inclined rods (6) are welded on the clamping plates (2) at both ends and the other ends are welded to the upper ends of the upper bars (4) in the opposite position, the intersection of the two groups of upper bars (4) is welded with a junction block (18), the junction block (18) is in an X-like shape, the plurality of groups of cross bars (1) and the plurality of upper bars (4) are welded with a top plate (5), the top ends of the plurality of upper bars (4) are welded with a top plate (5), the inclined rods (6) are welded on the clamping plates (2) at both ends and the other ends are welded to the upper ends of the upper bars (4) in the opposite position, the intersection of the two groups of upper bars (4) is welded with a junction block (18), the junction block (18) is in an X-like shape, A plurality of connecting rods (3) are welded between the upper rods (4), and the connecting assembly includes a receiving plate (10), and a plurality of groups of clamping columns (11) are fixedly welded on the receiving plate (10). The clamping plate (2) is respectively provided with an embedding groove (12), a positioning groove (13) and a contact groove (14). The receiving plate (10) is matched and inserted into the embedding groove (12), and the clamping column (11) is laterally inserted into the positioning groove (13). A contact plate (15) is installed in the contact groove (14), and a contact bolt (16) is connected to the inner thread of the contact groove (14) to limit the contact plate (15).

2. The long-span truss structure according to claim 1, characterized in that: The upper and lower ends of the junction block (18) are both welded with a middle pull rod (7), the top end of the middle pull rod (7) at the upper end is welded to the top plate (5), and the bottom end of the middle pull rod (7) at the lower end is welded to the cross bar (1).

3. The long-span truss structure according to claim 1, characterized in that: A plurality of sleeves (17) are welded to one side of the clamping plate (2), and the sleeves (17) are matched with the plurality of groups of cross bars (1) and the plurality of groups of upper bars (4) respectively.

4. The long-span truss structure according to claim 1, characterized in that: A clamp (8) is clamped and installed on the two connecting rods (3) at the upper end, and a hanging ring (9) is welded on the clamp (8).

5. The long-span truss structure according to claim 4, characterized in that: The clamp (8) is installed at the middle position of the upper end connecting rod (3), and the two lifting rings (9) are arranged on the same horizontal plane.

6. The long-span truss structure according to claim 1, characterized in that: The contact plate (15) is L-shaped, and the receiving end surface of the receiving plate (10) matches the contact plate (15).

7. The long-span truss structure according to claim 1, characterized in that: The clamping column (11) is T-shaped, and the depth of the clamping groove (13) matches the clamping stroke of the clamping column (11).

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