Large-span inflatable membrane building truss

Abstract

The utility model relates to the field of large -span inflatable film building truss, including first main girder, second main girder and telescopic square pole, the telescopic square pole is provided with two, and two telescopic square poles are herringbone shape and set up between first main girder and second main girder, the both sides of first main girder and second main girder close telescopic square pole end portion are provided with second side frame and first side frame respectively, both ends of telescopic square pole all are fixed with the plug -in board, the inside of first side frame and second side frame is located the upper and lower sides of plug -in board and is all seted up ring cavity, the inside of ring cavity is installed with return spring and inner ring from outside to inside in proper order, the inside one end of inner ring is installed with straight edge half ring and bevel half ring, the utility model discloses the plug -in board and the side frame structure realize telescopic square pole and main girder quick connection, simplify operation and promote efficiency, herringbone telescopic square pole cooperation steady connection enhances truss support stability.

Description

Technical Field

[0001] This utility model relates to the field of building trusses, specifically to large-span inflatable membrane building trusses. Background Technology

[0002] Large-span inflatable membrane building trusses belong to the core support structure field of inflatable membrane buildings. They are widely used in large-span building scenarios such as stadiums, storage spaces, and exhibition centers. They are mainly used to bear the weight of the inflatable membrane, resist external loads, and maintain the overall structural form of the building.

[0003] In existing technologies, the connection between the main beam and connecting members of such trusses mostly relies on bolt splicing or welding, which not only requires specialized tools but also involves complex operation steps, resulting in a cumbersome installation process, a lot of time consumption, and low installation efficiency. At the same time, some connection structures lack a stable design with automatic limit, and the connection reliability between the main beam and connecting members is insufficient, making it difficult to ensure the overall support stability of the truss and affecting the safety of building use. Utility Model Content

[0004] The purpose of this utility model is to solve the above-mentioned defects and provide a large-span inflatable membrane building truss, which can achieve a quick and stable connection between the telescopic square rod and the main beam, while solving the technical problems of cumbersome connection, low efficiency and insufficient support stability in the existing technology.

[0005] The objective of this utility model is achieved through the following means:

[0006] A large-span inflatable membrane structure truss includes a first main beam, a second main beam, and telescopic square bars. Two telescopic square bars are arranged in a V-shape between the first and second main beams. A second side frame and a first side frame are respectively installed on the sides of the first and second main beams near the ends of the telescopic square bars. The second side frame is located on the front side of the first and second main beams, and the first side frame is located on the rear side of the first and second main beams. Insert plates are fixed to both ends of each telescopic square bar. Locking devices are installed at the telescopic joints of the telescopic square bars to fix and limit the extension and retraction of the telescopic square bars. The first and second side frames are located on the upper and lower sides of the insert plates. An annular cavity is provided, and a return spring and an inner ring are installed sequentially from the outside to the inside of the annular cavity. A straight-side half-ring and a beveled half-ring are installed at one end of the inner ring. The straight-side half-ring and the beveled half-ring form a complete ring. The beveled half-ring is close to the center of the two telescopic square rods, and the straight-side half-ring is away from the center of the telescopic square rods. This allows the telescopic square rods to be quickly and stably connected to the first main beam and the second main beam through the insert plate and the annular cavity, return spring, inner ring and half-ring structure in the side frame. This simplifies the truss installation process, improves installation efficiency, and ensures the reliability of the connection through the cooperation of the mechanical structure, which helps to enhance the stability and load-bearing capacity of the entire truss structure.

[0007] Furthermore, the insert plate has a through hole inside, and the inner diameter of the through hole is larger than the outer diameter of the straight-side half ring and the inclined half ring. When the insert plate is inserted into the first side frame and the second side frame along with the telescopic square rod, it collides with the inclined half ring. Under the action of the inclined plane, the inclined half ring carries the inner ring into the ring cavity. When the through hole coincides with the straight-side half ring and the inclined half ring, the return spring pushes the inner ring to return to its original position. The straight-side half ring is inserted into the through hole to limit the insertion plate and prevent it from falling off, thus realizing the function of quick installation. Then, the fixing piece is inserted and locked to complete the installation.

[0008] Furthermore, both ends of the first main beam and the second main beam include an arc segment and a straight segment. The straight segment is located at both ends of the arc segment. Flanges are provided on the outer end faces of the straight segments of the first main beam and the second main beam, and the flanges are fixedly connected to the first main beam and the second main beam. The flanges make the installation of the first main beam and the second main beam more convenient.

[0009] Furthermore, an inflation connector and a testing connector are provided on one side of the inside of the first main beam and the second main beam, and the inflation connector and the testing connector are sealed to the first main beam and the second main beam.

[0010] Furthermore, the first and second main beams are equipped with cross-shaped reinforcing frames distributed equidistantly along a ring inside, and the cross-shaped reinforcing frames are fixedly connected to the first and second main beams. The cross-shaped reinforcing frames are used to improve the strength and support capacity of the first and second main beams.

[0011] Furthermore, a through hole is provided in the center of the cross-shaped reinforcing frame, and the through hole is integrally formed with the cross-shaped reinforcing frame, and the through hole is used for air circulation.

[0012] The beneficial effects of this utility model are:

[0013] This utility model utilizes the cooperation between the insert plates at both ends of the telescopic square rod and the first and second side frames. When the insert plate is inserted, it squeezes the inclined half-ring, causing the inner ring to compress the return spring inside the ring cavity. After reaching the desired position, the return spring pushes the inner ring to return to its original position. The straight half-ring and the inclined half-ring form a ring structure to limit the insertion plate, thus achieving a quick connection and fixation between the telescopic square rod and the first and second main beams. It has the advantages of convenient installation and no complicated operation required, solving the problems of cumbersome connection methods and low installation efficiency in traditional truss systems. At the same time, the herringbone arrangement of the telescopic square rod, combined with the stable connection structure, helps to improve the overall support stability of the truss. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural schematic diagram of the large-span inflatable membrane building truss of this utility model;

[0015] Figure 2 This is a sectional view of the first main beam structure of this utility model;

[0016] Figure 3 for Figure 2 A magnified view of part A in the diagram;

[0017] Figure 4 This is a cross-sectional view of the second side frame and the insert plate of this utility model in a connected state;

[0018] Figure 5 This is a perspective view of the inner ring structure of this utility model;

[0019] In the diagram, 1. First main beam; 2. Second main beam; 3. Flange; 4. Inspection joint; 5. Inflation joint; 6. First side frame; 7. Second side frame; 8. Telescopic square rod; 9. Cross reinforcement frame; 10. Through hole; 11. Ring cavity; 12. Return spring; 13. Inner ring; 14. Straight-edge half ring; 15. Beveled half ring; 16. Insert plate. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. This embodiment refers to... Figures 1-5 The specific implementation of the large-span inflatable membrane building truss includes a first main beam 1, a second main beam 2, and telescopic square bars 8. Two telescopic square bars 8 are provided, arranged in a V-shape between the first main beam 1 and the second main beam 2. A second side frame 7 and a first side frame 6 are respectively provided on both sides of the first main beam 1 and the second main beam 2 near the ends of the telescopic square bars 8. The second side frame 7 is located on the front side of the first main beam 1 and the second main beam 2, and the first side frame 6 is located on the rear side of the first main beam 1 and the second main beam 2. Insert plates 16 are fixed to both ends of the telescopic square bars 8. A locking component is installed at the telescopic joint of the telescopic rod 8. The locking component is used to fix and limit the extension and retraction of the telescopic rod 8. The first side frame 6 and the second side frame 7 are provided with annular cavities 11 on the upper and lower sides of the insert plate 16. The return spring 12 and the inner ring 13 are installed in sequence from the outside to the inside of the annular cavity 11. A straight half ring 14 and a beveled half ring 15 are installed at one end of the inner ring 13. The straight half ring 14 and the beveled half ring 15 form a complete ring. The beveled half ring 15 is close to the center of the two telescopic rods 8, and the straight half ring 14 is away from the center of the telescopic rod 8.

[0021] like Figure 4 and Figure 5 As shown, the insert plate 16 has a through hole inside, and the inner diameter of the through hole is larger than the outer diameter of the straight-side half ring 14 and the inclined half ring 15. When the insert plate 16 is inserted into the first side frame 6 and the second side frame 7 along with the telescopic square rod 8, it collides with the inclined half ring 15. Under the action of the inclined surface, the inclined half ring 15 carries the inner ring 13 into the ring cavity 11. When the through hole coincides with the straight-side half ring 14 and the inclined half ring 15, the return spring 12 pushes the inner ring 13 to return to its original position. The straight-side half ring 14 is inserted into the through hole to limit the insertion plate 16 and prevent it from falling off, thus realizing the function of quick installation. Then, the fixing piece is inserted and locked to complete the installation.

[0022] like Figure 1 and Figure 2 As shown, both ends of the first main beam 1 and the second main beam 2 include an arc segment and a straight segment. The straight segment is located at both ends of the arc segment. The outer end face of the straight segment of the first main beam 1 and the second main beam 2 is provided with a flange 3, and the flange 3 is fixedly connected to the first main beam 1 and the second main beam 2. The flange 3 makes the installation of the first main beam 1 and the second main beam 2 more convenient.

[0023] like Figure 1 , Figure 2 and Figure 3 As shown, an inflation connector 5 and a detection connector 4 are provided on one side of the interior of the first main beam 1 and the second main beam 2, and the inflation connector 5 and the detection connector 4 are sealed to the first main beam 1 and the second main beam 2.

[0024] like Figure 2 and Figure 3 As shown, cross-shaped reinforcing frames 9 are distributed equidistantly along a ring inside the first main beam 1 and the second main beam 2, and the cross-shaped reinforcing frames 9 are fixedly connected to the first main beam 1 and the second main beam 2. The cross-shaped reinforcing frames 9 are used to improve the strength and support capacity of the first main beam 1 and the second main beam 2.

[0025] like Figure 2 and Figure 3 As shown, a through hole 10 is provided in the center of the cross-shaped reinforcing frame 9, and the through hole 10 is integrally formed with the cross-shaped reinforcing frame 9. The through hole 10 is used for air circulation.

[0026] The working principle of the large-span inflatable membrane building truss in this embodiment is as follows: When the large-span inflatable membrane building truss is working, the first main beam 1 and the second main beam 2 are first connected by telescopic square rods 8: the two telescopic square rods 8 are arranged in a V-shape, and the insert plates 16 fixed at both ends are inserted into the first side frame 6 and the second side frame 7. The insert plate 16 first hits the inclined half ring 15 on the inner ring 13 of the side frame, and the inclined force causes the inner ring 13 to compress the return spring 12 in the ring cavity 11 and retract into the ring cavity 11; when the insert plate 16 passes through the hole and coincides with the straight half ring 14 and the inclined half ring 15, the return spring 12 pushes... The inner ring 13 is reset, the straight-edge half ring 14 is inserted into the perforated limiting plate 16 to prevent it from falling off, and then the fastener is passed through the inner ring 13 and the perforation and locked to complete the installation; both ends of the first main beam 1 and the second main beam 2 have arc-shaped sections and straight sections, and the flange 3 fixed at the outer end of the straight section facilitates the installation of the main beam; the air inflator 5 is sealed on one side of the main beam for air inflation, and the test connector 4 is used for testing, which meets the requirements of the membrane structure; the cross reinforcement frame 9 fixed at equal intervals along the ring inside improves the strength and support of the main beam, and the through hole 10 integrally formed in its center allows air circulation to ensure the stability of the overall structure.

[0027] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.

Claims

1. A large-span inflatable membrane structure truss, comprising a first main beam, a second main beam, and telescopic square bars, wherein two telescopic square bars are provided, and the two telescopic square bars are arranged in a V-shape between the first main beam and the second main beam, characterized in that: The first main beam and the second main beam are respectively provided with a second side frame and a first side frame on both sides near the end of the telescopic square rod. Both ends of the telescopic square rod are fixed with insert plates. The first side frame and the second side frame are provided with annular cavities on the upper and lower sides of the insert plates. The annular cavity is provided with a return spring and an inner ring in sequence from the outside to the inside. One end of the inner ring is provided with a straight half ring and a beveled half ring.

2. The large-span inflatable membrane building truss according to claim 1, characterized in that: The insert plate has a perforation inside, and the inner diameter of the perforation is larger than the outer diameter of the straight-side semi-ring and the oblique-side semi-ring.

3. The large-span inflatable membrane building truss according to claim 1, characterized in that: Both ends of the first main beam and the second main beam include an arc segment and a straight segment. The straight segment is located at both ends of the arc segment. Flanges are provided on the outer end faces of the straight segments of the first main beam and the second main beam, and the flanges are fixedly connected to the first main beam and the second main beam.

4. The long span pneumatic membrane building truss according to claim 1, wherein: An inflation connector and a testing connector are provided on one side of the inside of the first main beam and the second main beam, and the inflation connector and the testing connector are sealed to the first main beam and the second main beam.

5. The large-span inflatable membrane building truss according to claim 1, characterized in that: The first and second main beams have cross-shaped reinforcing frames distributed equidistantly along a ring inside, and the cross-shaped reinforcing frames are fixedly connected to the first and second main beams.

6. The large-span inflatable membrane building truss according to claim 5, characterized in that: The cross-shaped reinforcing frame has a through hole at its center, and the through hole is integrally formed with the cross-shaped reinforcing frame.

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