Standardized finished product truss of pipe truss steel structure bulk stock bin

Abstract

The invention relates to a standardized finished product truss of a pipe truss steel structure bulk stock bin, which comprises at least two main pipes, two ends of the main pipes are connected through channel steel, connecting lug plates are arranged at two ends of the main pipes, and bolt holes are formed in the channel steel and the connecting lug plates; the branch pipes are connected between the two main pipes, and every two adjacent branch pipes and the main pipe form a triangle. Main pipes, branch pipes and channel steel form a stable triangular lattice system, connecting lug plates are arranged on top upper chord main pipes and bottom lower chord main pipes of standard sections, and a plurality of bolt holes are formed in the positions, between the connecting lug plates and the upper chord main pipes and the lower chord main pipes, of the channel steel and used for being connected with the adjacent standard sections. The truss can flexibly combine the number and the arrangement mode of the standard sections according to the sizes and the bearing requirements of different bins, large-scale prefabrication production can be conducted in a factory, the production efficiency is improved, the production cost is reduced, meanwhile, the component universality is high, and later maintenance and part replacement are facilitated.

Description

Technical Field

[0001] This invention relates to the field of trusses, and more specifically to a standardized finished truss for a tubular truss steel structure bulk cargo silo. Background Technology

[0002] Traditional truss structures present numerous problems in the construction of bulk cargo silos. Firstly, most existing truss structures are non-standardized designs, requiring individual design and fabrication for different projects, leading to low production efficiency and high costs. This non-standardized production also results in poor component versatility, making later maintenance and parts replacement difficult. Secondly, some traditional truss structures have inadequate mechanical properties, failing to meet the stringent load-bearing capacity and stability requirements of large bulk cargo silos. For example, under heavy loads, they are prone to structural deformation or even failure, posing serious safety hazards. Furthermore, the installation of traditional truss structures is difficult during construction, requiring significant manpower and time, hindering the rapid and efficient completion of silo construction. Summary of the Invention

[0003] Based on the above description, the present invention provides a standardized prefabricated truss for a tubular truss steel structure bulk cargo silo, in order to solve the problem that the traditional truss structure in related technologies is difficult to install, requires a lot of manpower and time, and is not conducive to the rapid and efficient completion of silo construction.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a standardized finished truss for a tubular steel structure bulk cargo silo, comprising: at least two main pipes connected at both ends by channel steel, the two ends of the main pipes being provided with connecting lugs, and bolt holes being provided on both the channel steel and the connecting lugs; and multiple branch pipes connected between the two main pipes, with two adjacent branch pipes forming a triangle with the main pipes.

[0005] Based on the above technical solution, the present invention can be further improved as follows.

[0006] Furthermore, the main pipe and the branch pipe are welded together using an intersecting line.

[0007] Furthermore, the main pipe is a large-diameter seamless steel pipe, and the branch pipe is a small-diameter high-frequency welded pipe.

[0008] Furthermore, the main tube is equipped with fixing plates at both ends, with a limit block installed on one end of the fixing plate and a limit hole provided at the corresponding position on the fixing plate at the other end.

[0009] Furthermore, the limiting block includes a connecting rod and an elastic block, with the connecting rod connecting the fixed plate and the elastic block.

[0010] Furthermore, the diameter of the elastic block gradually decreases from one end near the connecting rod to the other end.

[0011] Furthermore, the fixing plate is square, and the limiting block or the limiting hole is provided on both the upper and lower sides.

[0012] Furthermore, a snap-fit ​​block is provided on the channel steel at one end of the main pipe, and a snap-fit ​​groove is provided at the corresponding position on the channel steel at the other end.

[0013] Furthermore, the snap-fit ​​block is T-shaped, and the width of the snap-fit ​​groove is smaller than the width of the front end of the snap-fit ​​block.

[0014] Furthermore, the snap-fit ​​block is rotatably mounted on the channel steel via a pin.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial technical effects: The truss is composed of main pipes, branch pipes, and channel steel, forming a stable triangular lattice system. Connecting lugs are provided on the top upper chord main pipe and bottom lower chord main pipe of the standard segment. Multiple bolt holes are opened on the connecting lugs and the channel steel between the upper and lower chord pipes for connecting with adjacent standard segments. This design allows the truss to flexibly combine the number and arrangement of standard segments according to the size and load-bearing requirements of different silos. Due to the use of standard segments and a unified connection method, large-scale prefabrication can be carried out in the factory, improving production efficiency and reducing production costs. At the same time, the components are highly versatile, facilitating later maintenance and replacement of parts. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure of the standardized finished truss of the tubular truss steel structure bulk cargo silo provided in an embodiment of the present invention; Figure 2 This is a partial structural schematic diagram of the standardized finished truss of the tubular truss steel structure bulk cargo silo provided in an embodiment of the present invention.

[0017] The attached diagram lists the components represented by each number as follows: 1. Main pipe; 2. Channel steel; 3. Connecting ear plate; 4. Branch pipe; 5. Fixing plate; 6. Limiting block; 61. Connecting rod; 62. Elastic block; 7. Limiting hole; 8. Snap-fit ​​block; 9. Snap-fit ​​groove. Detailed Implementation

[0018] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0019] This invention provides a standardized prefabricated truss for a tubular truss steel structure bulk cargo silo, which can solve the problem that traditional truss structures are difficult to install, require a lot of manpower and time, and are not conducive to the rapid and efficient completion of silo construction.

[0020] See Figure 1 As shown in the figure, a standardized finished truss for a bulk cargo silo with a tubular steel structure is provided in an embodiment of the present invention. It includes: at least two main pipes 1, which are connected at both ends by channel steel 2. The two ends of the main pipes 1 are provided with connecting lugs 3. Bolt holes are provided on both the channel steel 2 and the connecting lugs 3. Multiple branch pipes 4 are connected between the two main pipes 1, and two adjacent branch pipes 4 form a triangle with the main pipes 1.

[0021] The standard segment structure of this standardized finished truss is as follows: Figure 1 As shown, it consists of a stable triangular lattice system composed of main pipe 1, branch pipe 4, and channel steel 2, with cross diagonal bracing for reinforcement in some areas. The standard sections are connected by high-strength bolts. Connecting lugs 3 are installed on the top upper chord main pipe and bottom lower chord main pipe of each standard section. Multiple bolt holes are provided on the connecting lugs 3 and the channel steel 2 between the upper and lower chord pipes for connecting to adjacent standard sections. This design allows the truss to flexibly combine the number and arrangement of standard sections according to the size and load-bearing requirements of different silos.

[0022] Specifically, in each standard segment, the main pipe 1 uses a large-diameter seamless steel pipe, while the branch pipe 4 uses a small-diameter high-frequency welded pipe. The connection between the main pipe 1 and the branch pipe 4 adopts an intersecting line welding process to ensure the strength and stability of the joint.

[0023] To improve the overall stability of the truss, horizontal and vertical supports are installed. The horizontal supports are made of round tubes and are connected laterally at the same height position of adjacent standard segments; the vertical supports are made of square tubes to form secondary trusses and are connected vertically at the same height position of adjacent standard segments. The horizontal and vertical supports work together to form a stable spatial support system.

[0024] See Figure 2 As shown, in some embodiments, the main pipe 1 is equipped with fixing plates 5 at both ends. A limiting block 6 is installed on one end of the fixing plate 5, and a limiting hole 7 is provided at the corresponding position on the other end of the fixing plate 5. By cooperating with the limiting blocks 6 and the limiting holes 7 of two adjacent standard segments, the standard segments can be pre-fixed, which facilitates the subsequent installation of bolts and reduces positioning time.

[0025] In some embodiments, the limiting block 6 includes a connecting rod 61 and an elastic block 62. The connecting rod 61 is connected between the fixing plate 5 and the elastic block 62. The elastic block 62 can be made of elastic material such as rubber or elastic structure such as a spring. By inserting the elastic block 62 through the limiting hole 7, the truss can be pre-fixed, which is convenient to use and saves time.

[0026] In some embodiments, the diameter of the elastic block 62 gradually decreases from one end near the connecting rod 61 to the other end. The larger end of the elastic block 62 acts as a blocking force, which can prevent the elastic block 62 from falling out of the limiting hole 7, and the pre-fixing effect is better.

[0027] In some embodiments, the fixing plate 5 is square, and the limiting block 6 or the limiting hole 7 is provided on both the upper and lower sides, which can increase the pre-fixed area between two standard segment trusses, improve the positioning effect, and reduce shaking.

[0028] In some embodiments, a snap-fit ​​block 8 is provided on the channel steel 2 at one end of the main pipe 1, and a snap-fit ​​groove 9 is provided at the corresponding position on the channel steel 2 at the other end. The pre-fixing function between the channel steels 2 can be further enhanced by the cooperation of the snap-fit ​​block 8 and the snap-fit ​​groove 9.

[0029] In some embodiments, the snap-fit ​​block 8 is T-shaped, and the width of the snap-fit ​​groove 9 is smaller than the width of the front end of the snap-fit ​​block 8. After the snap-fit ​​block 8 is snapped into the snap-fit ​​groove 9, the T-shaped design can prevent the snap-fit ​​block 8 from falling off, and the channel steel 2 can be pre-fixed in the length and width directions, resulting in better positioning.

[0030] In some embodiments, the snap-fit ​​block 8 is rotatably mounted on the channel steel 2 via a pin. By flipping the snap-fit ​​block 8, it can be snapped into the snap-fit ​​groove 9, which is convenient to use and has high positioning efficiency.

[0031] This application, employing standardized segments and a unified connection method, allows for large-scale prefabrication in the factory, improving production efficiency and reducing costs. Furthermore, the components are highly versatile, facilitating later maintenance and parts replacement. The synergistic effect of the triangular structure, primary and secondary trusses, and horizontal supports enhances the truss's load-bearing capacity and stability, enabling it to withstand significant loads, meet the requirements of large bulk cargo silos, and reduce safety hazards. Connecting the standardized segments with high-strength bolts eliminates the need for complex welding operations during on-site installation, greatly shortening the construction period, reducing construction difficulty, and improving construction efficiency.

[0032] The process for creating and installing this application is as follows: I. Production of Standard Segments Inside the factory, seamless steel pipes of appropriate specifications are first selected as the main pipe 1 and high-frequency welded pipes as the branch pipes 4 according to the design requirements. Advanced CNC machining equipment is used to precisely cut the lengths of the main pipe 1 and the branch pipes 4, and process them according to the shape of the intersection line (combining the connection form of the main pipe 1 and the branch pipes 4 in the standard segment, the cutting size of the intersection line is precisely controlled).

[0033] Then, on a dedicated welding platform, branch pipe 4 and main pipe 1 are welded together at their intersection. During the welding process, welding parameters (such as current, voltage, and welding speed) are strictly controlled to ensure welding quality. For the intersecting diagonal bars in the standard segment, the connection points with main pipe 1 and branch pipe 4 must be accurately located to ensure that the spatial angle is consistent with the drawings. After welding, inspection and acceptance are carried out.

[0034] After welding is completed, each standard segment is subjected to quality inspection, including weld flaw detection (using ultrasonic testing, radiographic testing, etc., to inspect the parts required by the drawings) and dimensional accuracy inspection (measuring the straightness of the main pipe, the spacing between branch pipes, the position and size of the connecting ear plate, etc.). After passing the inspection, connecting ear plates 3 are welded to the top and bottom of the standard segment, and holes are drilled on the connecting ear plates 3 according to the designed hole diameter and hole spacing.

[0035] II. Installation of reinforcing ribs and supports In the stress concentration areas of the standard segment, triangular reinforcing ribs are welded at the designed locations (such as the intersection of main pipe 1 and connecting lug 3). Before welding, the reinforcing ribs need to be ground and derusted. During welding, ensure that they fit tightly with the main member and that the weld is full.

[0036] For horizontal and vertical supports, the circular tube horizontal supports and secondary truss vertical supports are bolted to the standard segments according to the design requirements for location and spacing. The elevation and connection angles are carefully controlled to ensure the supports are securely installed and form a stable support system.

[0037] III. On-site installation At the bulk cargo silo construction site, the installation position of the truss is determined according to the design plan. First, the bottom standard segment is fixed to the foundation with anchor bolts (the position and elevation of the foundation pre-embedded bolts need to be re-measured in advance to ensure that they match the connecting ear plates of the standard segment). Then, the other standard segments are lifted up in sequence using hoisting equipment, and high-strength bolts are used to connect adjacent standard segments through the bolt holes on the connecting ear plate 3.

[0038] During the connection process, a torque wrench was used to control the bolt tightening torque, strictly adhering to design requirements to ensure the reliability of the connection. After each standard segment was installed, a total station was used to check the overall verticality and mid-span deflection of the truss, and adjustments were made promptly to address any deviations. As standard segments were continuously installed, a complete standardized finished truss for the tubular truss steel structure bulk cargo silo was gradually formed. After installation, a comprehensive inspection and acceptance of the entire truss structure was conducted again, covering weld quality review, bolt tightening force sampling, structural deformation testing, and paint coating thickness, to ensure that design and usage requirements were met.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0040] It is understood that spatial relation terms such as "below," "under," "below," "below," "above," "above," etc., can be used here to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figure is flipped, the element or feature described as "below" or "below" of the other element or feature will be oriented "above" the other element or feature. Therefore, the exemplary terms "below" and "below" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein will be interpreted accordingly.

[0041] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediary element. In the following embodiments, "connection" should be understood as "electrical connection," "communication connection," etc., if the connected circuits, modules, units, etc., have the transmission of electrical signals or data between them.

[0042] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A standardized finished truss for a tubular truss steel structure bulk cargo silo, characterized in that, It includes: At least two main pipes (1) are connected at both ends by channel steel (2). The two ends of the main pipes (1) are provided with connecting ear plates (3). Bolt holes are provided on both the channel steel (2) and the connecting ear plates (3). Multiple branch pipes (4) are connected between two main pipes (1), and two adjacent branch pipes (4) and the main pipes (1) form a triangle.

2. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 1, characterized in that: The main pipe (1) and the branch pipe (4) are welded together by intersecting lines.

3. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 1, characterized in that: The main pipe (1) is a large-diameter seamless steel pipe, and the branch pipe (4) is a small-diameter high-frequency welded pipe.

4. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 1, characterized in that: The main tube (1) has fixing plates (5) installed at both ends. A limit block (6) is installed on one end of the fixing plate (5), and a limit hole (7) is provided at the corresponding position on the other end of the fixing plate (5).

5. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 4, characterized in that: The limiting block (6) includes a connecting rod (61) and an elastic block (62), wherein the connecting rod (61) is connected between the fixing plate (5) and the elastic block (62).

6. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 5, characterized in that: The diameter of the elastic block (62) gradually decreases from one end near the connecting rod (61) to the other end.

7. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 4, characterized in that: The fixing plate (5) is square, and the limiting block (6) or the limiting hole (7) is provided on both the upper and lower sides.

8. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 1, characterized in that: A snap-fit ​​block (8) is provided on the channel steel (2) at one end of the main pipe (1), and a snap-fit ​​groove (9) is provided at the corresponding position on the channel steel (2) at the other end.

9. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 8, characterized in that: The snap-fit ​​block (8) is T-shaped, and the width of the snap-fit ​​groove (9) is smaller than the width of the front end of the snap-fit ​​block (8).

10. The standardized finished truss of the tubular truss steel structure bulk cargo silo according to claim 9, characterized in that: The snap-fit ​​block (8) is rotatably mounted on the channel steel (2) via a pin.

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