Modular steel truss rapid assembly structure

Abstract

The utility model discloses modularization steel truss quick assembly structure, including truss assembly structure, the truss assembly structure is by support, crosspiece and link mechanism composition, the link mechanism is by fixed cover, rotating mechanism, fixed mechanism and installation cylinder composition, the rotating mechanism installs in fixed cover both sides both ends, the installation cylinder is installed in fixed cover both sides both ends through rotating mechanism, be installed with fixed mechanism between the installation cylinder and rotating mechanism, the utility model discloses installation cylinder can realize multidirectional angle fine adjustment with the help of rotating mechanism, cooperate the locking function of fixed mechanism, can fast positioning crosspiece installation angle, adapt different space layout demand, the adjusting mechanism in crosspiece middle can change crosspiece effective length flexibly, need not to customize different size's crosspiece, improve installation adaptability greatly, realize quick assembly and accurate positioning, give consideration to installation efficiency and structural stability.

Description

Technical Field

[0001] This utility model relates to the field of truss assembly technology, specifically a modular steel truss rapid assembly structure. Background Technology

[0002] Modular steel truss rapid assembly bridge structure refers to a prefabricated bridge structure system that, in response to the needs of bridge engineering, disassembles core components such as steel truss main beams and bridge deck systems into standardized, lightweight steel truss modules according to span and stress characteristics. After CNC machining, welding, anti-corrosion coating, and pre-assembly inspection are completed in the factory, the modules are transported to the bridge site using specialized transportation equipment. With the help of hoisting machinery and high-precision positioning devices, each module is precisely spliced ​​with the bridge pier foundation and bearings through rapid connection nodes such as bolt connections and mortise and tenon joints. The bridge deck paving and ancillary facility installation are completed simultaneously.

[0003] Chinese Patent No. 201920344398.9 discloses a variable cross-section space steel truss assembly jig. This utility model provides a high-precision and efficient assembly jig for high-altitude installation by employing a technical solution that includes four sets of support sections, four sets of jig adjustment connectors with millimeter-level scales overlapping the upper and lower parts of the support sections, and jacks fixedly connected to the jig adjustment connectors.

[0004] When using this utility model, during the installation process, specific connectors at corresponding positions and angles need to be installed, making it impossible to use them uniformly and resulting in a relatively slow assembly process. Utility Model Content

[0005] The purpose of this invention is to provide a modular steel truss rapid assembly structure to solve the problems raised in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a modular steel truss rapid assembly structure, including a truss assembly structure; the truss assembly structure consists of columns, crossbeams, and connecting mechanisms; the connecting mechanism consists of a fixed sleeve, a rotating mechanism, a fixing mechanism, and an installation cylinder; the rotating mechanism is installed at both ends of the fixed sleeve; the installation cylinder is installed at both ends of the fixed sleeve via the rotating mechanism; a fixing mechanism is installed between the installation cylinder and the rotating mechanism; the fixed sleeve is installed on the upper side of the column by bolts; both ends of the crossbeam are inserted into the installation cylinder; both ends of the crossbeam are fixedly installed inside the installation cylinder by bolts; and an adjustment mechanism is installed in the middle of the crossbeam.

[0007] Preferably, the rotating mechanism consists of a bearing seat and a shaft rod. The shaft rod is welded to both sides of the end of the mounting cylinder. The bearing seat is mounted on both sides of the fixed sleeve. The shaft rod is rotatably mounted on both sides of the bearing seat. A damping sleeve is installed between the bearing seat and the shaft rod.

[0008] Preferably, the fixing mechanism consists of an arc-shaped groove, a screw, and a nut. The arc-shaped groove is located on the upper side of the shaft seat, the screw is welded to both sides of the mounting cylinder, the screw is slidably installed inside the arc-shaped groove, and the nut is rotatably installed on the outside of the screw.

[0009] Preferably, the adjusting mechanism consists of a threaded rod and a threaded cylinder, with the threaded cylinder disposed inside the crossbeam and the two ends of the threaded rod rotatably mounted inside the threaded cylinder.

[0010] Preferably, a fixing bolt is provided on the outside of the threaded cylinder, and the fixing bolt is rotatably installed on the outside of the threaded cylinder.

[0011] Preferably, a through hole is provided at the middle position of the threaded rod.

[0012] Preferably, the two ends of the crossbeam are arranged in a trapezoidal shape.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The mounting cylinder can achieve multi-directional angle fine adjustment with the help of the rotating mechanism. Combined with the locking function of the fixing mechanism, it can quickly position the installation angle of the cross frame to adapt to different spatial layout requirements. At the same time, the adjustment mechanism in the middle of the cross frame can flexibly change the effective length of the cross frame, eliminating the need to customize cross frames of different sizes, greatly improving installation adaptability, achieving rapid assembly and precise positioning, and balancing installation efficiency and structural stability.

[0015] 2. The rotating mechanism achieves the angle adjustment function through the cooperation of the bearing seat and the shaft. The shaft can rotate freely in the bearing seat, driving the mounting cylinder and the crossbeam inserted therein to adjust the angle synchronously, so as to meet the assembly requirements of different angles of the truss.

[0016] 3. The fixing mechanism achieves locking and fixing after rotation through the cooperation of arc groove, screw and nut. When the screw rotates synchronously with the mounting cylinder, it will slide along the arc groove on the shaft seat. When the mounting cylinder drives the cross frame to adjust to the preset angle, rotating the nut on the outside of the screw can lock the screw in the arc groove. The position of the shaft is fixed by the clamping force of the nut and the shaft seat, thereby locking the angle between the mounting cylinder and the cross frame.

[0017] 4. The adjustment mechanism uses the threaded engagement of the threaded rod and the threaded cylinder to adjust the length of the cross frame. The threaded cylinder is built into the cross frame, and the two ends of the threaded rod are threaded to the threaded cylinders on both sides. By rotating the threaded rod, the engagement depth in the threaded cylinders on both sides can be changed, thereby adjusting the overall length of the cross frame to adapt to the installation requirements of different spans. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of the connecting mechanism of this utility model;

[0021] Figure 3 This is a schematic diagram of the connecting mechanism of this utility model;

[0022] Figure 4 This is a schematic diagram of the crossbar structure of this utility model.

[0023] In the diagram: 1. Truss assembly structure; 2. Support column; 3. Cross frame; 4. Connecting mechanism; 5. Threaded cylinder; 6. Fixing bolt; 7. Insertion hole; 8. Adjustment mechanism; 9. Threaded rod; 10. Rotation mechanism; 11. Fixing mechanism; 12. Mounting cylinder; 13. Bearing seat; 14. Shaft; 15. Damping sleeve; 16. Nut; 17. Screw; 18. Fixing sleeve; 19. Arc groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 In this embodiment of the utility model, the modular steel truss rapid assembly structure includes a truss assembly structure 1; the truss assembly structure 1 consists of a column 2, a crossbeam 3 and a connecting mechanism 4. The connecting mechanism 4 consists of a fixed sleeve 18, a rotating mechanism 10, a fixing mechanism 11 and an installation cylinder 12. The rotating mechanism 10 is installed at both ends of the fixed sleeve 18. The installation cylinder 12 is installed at both ends of the fixed sleeve 18 through the rotating mechanism 10. The fixing mechanism 11 is installed between the installation cylinder 12 and the rotating mechanism 10. The fixed sleeve 18 is installed on the upper side of the column 2 by bolts. The two ends of the crossbeam 3 are inserted into the installation cylinder 12. The two ends of the crossbeam 3 are fixedly installed inside the installation cylinder 12 by bolts. An adjustment mechanism 8 is installed in the middle of the crossbeam 3.

[0026] The rotating mechanism 10 consists of a bearing seat 13 and a shaft 14. The shaft 14 is welded to both ends of the mounting cylinder 12. The bearing seat 13 is mounted on both sides of the fixed sleeve 18. The shaft 14 is rotatably mounted on both sides of the bearing seat 13. A damping sleeve 15 is installed between the bearing seat 13 and the shaft 14. The rotating mechanism 10 achieves angle adjustment through the cooperation of the bearing seat 13 and the shaft 14. The shaft 14 can rotate freely within the bearing seat 13, driving the mounting cylinder 12 and the crossbeam 3 inserted therein to adjust their angles synchronously, meeting the assembly requirements of different angles of the truss.

[0027] The fixing mechanism 11 consists of an arc-shaped groove 19, a screw 17, and a nut 16. The arc-shaped groove 19 is located on the upper side of the bearing seat 13. The screw 17 is welded to both sides of the mounting cylinder 12 and slides inside the arc-shaped groove 19. The nut 16 is rotatably mounted on the outside of the screw 17. The fixing mechanism 11 achieves locking and fixing after rotation through the cooperation of the arc-shaped groove 19, the screw 17, and the nut 16. When the screw 17 rotates synchronously with the mounting cylinder 12, it slides along the arc-shaped groove 19 on the bearing seat 13. After the mounting cylinder 12 drives the crossbeam 3 to adjust to the preset angle, rotating the nut 16 on the outside of the screw 17 can lock the screw 17 in the arc-shaped groove 19. The clamping force between the nut 16 and the bearing seat 13 fixes the position of the shaft 14, thereby locking the angle between the mounting cylinder 12 and the crossbeam 3.

[0028] The adjusting mechanism 8 consists of a threaded rod 9 and a threaded cylinder 5. The threaded cylinder 5 is located inside the crossbeam 3, and both ends of the threaded rod 9 are rotatably mounted inside the threaded cylinder 5. The adjusting mechanism 8 utilizes the threaded engagement between the threaded rod 9 and the threaded cylinder 5 to adjust the length of the crossbeam 3. The threaded cylinder 5 is built into the crossbeam 3, and both ends of the threaded rod 9 are threadedly connected to the threaded cylinders 5 on both sides. By rotating the threaded rod 9, its engagement depth within the threaded cylinders 5 on both sides can be changed, thereby adjusting the overall length of the crossbeam 3 to accommodate installation requirements of different spans.

[0029] A fixing bolt 6 is provided on the outside of the threaded cylinder 5. The fixing bolt 6 is rotatably installed on the outside of the threaded cylinder 5. The fixing bolt 6 on the outside of the threaded cylinder 5 is used to increase the friction between the threaded cylinder 5 and the threaded rod 9. After the threaded rod 9 is adjusted to the target length, the relative rotation between the threaded rod 9 and the threaded cylinder 5 is further restricted by the friction, so as to avoid the threaded connection from loosening due to long-term use or vibration, and to ensure that the length of the cross frame 3 always remains stable.

[0030] A through hole 7 is provided in the middle of the threaded rod 9. The through hole 7 in the middle of the threaded rod 9 provides a convenient force point for length adjustment. During assembly, a tool can be inserted into the through hole 7, and the threaded rod 9 can be easily rotated by the leverage of the tool, reducing the difficulty of length adjustment. Especially when the span of the crossbeam 3 is large or the thread fit is tight, adjustment can be completed efficiently without additional special tools. At the same time, the design of the through hole 7 does not affect the structural strength of the threaded rod 9, nor does it interfere with its fit with the threaded cylinder 5. Without increasing the complexity of the components, it further improves the convenience of adjustment operation and facilitates rapid assembly.

[0031] The two ends of the cross frame 3 are trapezoidal. The trapezoidal design at both ends of the cross frame 3 reduces the cross surface area at both ends of the cross frame 3, making it easier to quickly insert the two ends of the cross frame 3 into the mounting cylinder 12, accelerating the assembly process and improving the overall installation efficiency.

[0032] The working principle and usage process of this utility model: The truss assembly structure 1 achieves rapid assembly through the coordinated action of the support column 2, cross frame 3 and connecting mechanism 4. The core lies in the flexible adjustment characteristics of the connecting mechanism 4. After the fixed sleeve 18 is firmly connected to the support column 2 as the connection reference, the mounting cylinder 12 can achieve multi-directional angle fine adjustment with the help of the rotating mechanism 10. With the locking function of the fixing mechanism 11, the installation angle of the cross frame 3 can be quickly positioned to adapt to different spatial layout requirements. At the same time, the adjustment mechanism 8 in the middle of the cross frame 3 can flexibly change the effective length of the cross frame 3, without the need to customize cross frames 3 of different sizes, which greatly improves the installation adaptability, realizes rapid assembly and precise positioning, and takes into account both installation efficiency and structural stability.

[0033] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A modular steel truss rapid assembly structure, comprising a truss assembly structure (1); characterized in that: The truss assembly structure (1) consists of a support column (2), a cross frame (3) and a connecting mechanism (4). The connecting mechanism (4) consists of a fixed sleeve (18), a rotating mechanism (10), a fixing mechanism (11) and an installation cylinder (12). The rotating mechanism (10) is installed on both ends of the fixed sleeve (18). The installation cylinder (12) is installed on both ends of the fixed sleeve (18) through the rotating mechanism (10). The fixing mechanism (11) is installed between the installation cylinder (12) and the rotating mechanism (10). The fixed sleeve (18) is installed on the upper side of the support column (2) by bolts. The two ends of the cross frame (3) are inserted into the installation cylinder (12). The two ends of the cross frame (3) are fixedly installed inside the installation cylinder (12) by bolts. An adjustment mechanism (8) is installed in the middle of the cross frame (3).

2. The modular steel truss rapid assembly structure according to claim 1, characterized in that: The rotating mechanism (10) consists of a bearing seat (13) and a shaft (14). The shaft (14) is welded to both sides of the end of the mounting cylinder (12). The bearing seat (13) is mounted on both sides of the fixing sleeve (18). The shaft (14) is rotatably mounted on both sides of the bearing seat (13). A damping sleeve (15) is installed between the bearing seat (13) and the shaft (14).

3. The modular steel truss rapid assembly structure according to claim 2, characterized in that: The fixing mechanism (11) consists of an arc groove (19), a screw (17) and a nut (16). The arc groove (19) is located on the upper side of the bearing seat (13). The screw (17) is welded to both sides of the mounting cylinder (12). The screw (17) is slidably installed inside the arc groove (19). The nut (16) is rotatably installed on the outside of the screw (17).

4. The modular steel truss rapid assembly structure according to claim 1, characterized in that: The adjustment mechanism (8) consists of a threaded rod (9) and a threaded cylinder (5). The threaded cylinder (5) is located inside the cross frame (3), and the two ends of the threaded rod (9) are rotatably installed inside the threaded cylinder (5).

5. The modular steel truss rapid assembly structure according to claim 4, characterized in that: A fixing bolt (6) is provided on the outside of the threaded cylinder (5), and the fixing bolt (6) is rotatably installed on the outside of the threaded cylinder (5).

6. The modular steel truss rapid assembly structure according to claim 5, characterized in that: A through hole (7) is provided in the middle position of the threaded rod (9).

7. The modular steel truss rapid assembly structure according to claim 1, characterized in that: The crossbar (3) is set in a trapezoidal shape at both ends.

Images