Steel structure truss

Abstract

The utility model discloses a steel structure truss which comprises a truss body, a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are connected in an inserting mode, a locking assembly is arranged on the second connecting plate and comprises a supporting seat, a guide pipe, a positioning column, a clamping column and a spring, a clamping hole is formed in the side face of the first connecting plate, and the spring is arranged in the clamping hole. The clamping column extends into the clamping hole through rotation of the positioning column, the first connecting plate and the second connecting plate are tightly attached, the gourd-shaped design of the clamping hole facilitates insertion of the clamping column and achieves limiting, and a guide groove of the guide pipe is matched with a blocking rod on the positioning column to achieve accurate locking and resetting of the positioning column. And meanwhile, the locking assembly is fixed to the second connecting plate through the flange ring, compared with a traditional welding or bolt connecting mode, the structural design of the steel structure truss remarkably improves the assembling efficiency and use reliability of the steel structure truss, and the steel structure truss is suitable for complex construction conditions and various building scenes.

Description

Technical Field

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

[0002] Steel trusses are a widely used structural form in engineering construction, mainly used in bridges, buildings, towers, and other structural applications that require bearing large loads. Steel trusses are typically assembled from multiple members through specific connection methods. Their overall structure possesses high strength and good seismic performance, while also being relatively lightweight, making them suitable for applications with large spans or complex stresses.

[0003] Currently, the assembly and connection of steel trusses mostly employ traditional methods such as welding, bolts, or rivets. While these methods ensure connection stability, several technical challenges remain during actual construction. For example, welding requires on-site operation, is heavily limited by environment and equipment, and is easily affected by temperature, humidity, and welding technique, leading to unstable connection quality. Although bolted connections are relatively simple to operate, their installation and tightening efficiency is low when working at heights or in confined spaces, exhibiting significant limitations, especially in scenarios requiring frequent disassembly and assembly. Furthermore, existing connection methods often require external tools during installation and disassembly, which is time-consuming and labor-intensive, failing to meet the demands of modern construction for rapid assembly and flexible adjustments.

[0004] To address these issues, innovative steel truss connection structures have gradually emerged in the market, such as those using mechanical locking and automatic spring return to achieve rapid connection and disassembly. However, current technologies still have some shortcomings. For example, the complexity of mechanical locking mechanisms leads to high manufacturing costs, or the locking components are prone to wear and tear during long-term use, thus affecting the stability of the connection. Utility Model Content

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a steel structure truss that enables quick and reliable connection and disassembly. This truss utilizes the cooperation of locking columns and locking holes to allow the first and second connecting plates to be quickly aligned and fitted during assembly. Simultaneously, the rotational locking mechanism of the positioning columns further strengthens the connection. Disassembly can be easily completed by reversing the operation, significantly improving construction efficiency and reducing reliance on external tools.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A steel truss structure includes a frame, one end of which is fixedly connected to a first connecting plate, and the other end of which is fixedly connected to a second connecting plate.

[0008] The first connecting plate and the second connecting plate can be connected by a plug-in method;

[0009] A locking assembly is installed on the second connecting plate, which is used to lock the first connecting plate and the second connecting plate together.

[0010] The locking assembly includes a support seat mounted on the back of the second connecting plate, a guide tube connected to the top of the support seat, a positioning pin inserted into the guide tube, a spring sleeved on the positioning pin, and a locking pin connected to one end of the spring.

[0011] The side of the first connecting plate has a through-hole for locking;

[0012] The locking pin extends into the locking hole;

[0013] When the positioning column is rotated counterclockwise, the locking column moves toward the top of the support base and tightly fits the first connecting plate against the second connecting plate.

[0014] Furthermore, positioning holes are symmetrically provided through the side of the first connecting plate;

[0015] The side of the second connecting plate is fixedly connected with a positioning head corresponding to the positioning hole;

[0016] When the first connecting plate is connected to the second connecting plate, the positioning head is inserted into the positioning hole.

[0017] Furthermore, the shape of the card slot hole is set to a gourd shape;

[0018] One end of the positioning post is fixedly connected to a stop.

[0019] Furthermore, a guide groove is provided through the side of the guide tube, and a positioning groove is provided at the top of the guide groove;

[0020] A stop bar is provided on the outside of the positioning post, and the stop bar is located in the guide groove.

[0021] Furthermore, a through hole is provided at the center of the side of the second connecting plate, and the locking post is provided through the through hole.

[0022] Furthermore, a handle is provided at the top of the positioning post.

[0023] Furthermore, a flange ring is fixedly connected to the bottom outer side of the support base, and the flange ring is connected to the second connecting plate by screws.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] This invention achieves efficient assembly and disassembly of steel trusses through the interlocking of the first and second connecting plates and the rational design of the locking assembly. Compared with the complex welding or bolting connections in existing technologies, this invention greatly simplifies the connection operation and reduces construction difficulty. The locking pins and locking holes in the locking assembly can quickly position and fix the connecting plates, avoiding the strict environmental and equipment requirements of traditional welding processes, while reducing construction time and improving project efficiency.

[0026] The positioning pin of the locking assembly, through the design of guide tubes and guide grooves, ensures precise and controllable movement trajectory. Combined with the force of a spring, the positioning pin automatically adjusts its position, ensuring a tight fit between the first and second connecting plates. A positioning groove is located at the top of the guide groove, enabling automatic locking when the positioning pin rotates to the designated position, preventing displacement errors during operation. This design improves connection stability and enhances shock resistance.

[0027] The first and second connecting plates, through the cooperation of the positioning heads and positioning holes, further improve the axial stability of the connection, effectively solving the problem of misalignment that is prone to occur in traditional bolt connections. The design of the positioning holes and positioning heads makes the connection more precise, ensuring the load-bearing capacity of the overall truss structure, while reducing the need for maintenance due to loose connections during long-term use.

[0028] The gourd-shaped design of the locking holes, combined with the restraint of the stop, provides higher connection strength. The transition design between the large and small holes facilitates the insertion of the locking posts, while the small hole provides precise positioning after connection, avoiding structural loosening caused by component slippage or wear in traditional connection methods. This design not only enhances overall safety but also extends the service life of the truss.

[0029] The locking assembly is connected to the second connecting plate with a flange ring and screws, making the fixation of the locking assembly to the truss structure more reliable. The flange ring not only enhances the strength of the locking assembly but also facilitates subsequent maintenance and replacement, reducing overall operating costs. During construction, operators can easily lock or disassemble the assembly by simply turning the handle clockwise or counterclockwise, reducing reliance on external tools and improving operational convenience. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the structure of the first connecting plate of this utility model;

[0032] Figure 3 This is a schematic diagram of the locking assembly of this utility model;

[0033] Figure 4 This is a schematic diagram of the structure of the support base of this utility model;

[0034] Figure 5 This is a schematic diagram of the positioning column of this utility model.

[0035] The attached diagram lists the components represented by each number as follows:

[0036] 1. Frame;

[0037] 2. First connecting plate;

[0038] 21. Locking hole; 22. Positioning hole;

[0039] 3. Second connecting plate;

[0040] 31. Through hole; 32. Positioning head;

[0041] 4. Locking assembly;

[0042] 41. Support base; 411. Flange ring;

[0043] 42. Guide tube; 421. Guide groove; 4211. Positioning groove;

[0044] 43. Positioning post; 431. Stop;

[0045] 44. Positioning pin; 441. Stop lever; 45. Spring; 46. Handle. Detailed Implementation

[0046] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0047] See Figure 1-5 A steel truss structure includes a frame 1, with a first connecting plate 2 fixedly connected to one end of the frame 1 and a second connecting plate 3 fixedly connected to the other end of the frame 1; the first connecting plate 2 and the second connecting plate 3 are connected by a plug-in method; the first connecting plate 2 is made of Q235 steel with a thickness of 10mm and its surface is galvanized for corrosion protection; the second connecting plate 3 is made of the same material as the first connecting plate 2 to ensure overall strength and corrosion resistance; the connection between the first connecting plate 2 and the second connecting plate 3 adopts a plug-in design to improve assembly convenience.

[0048] A locking assembly 4 is installed on the second connecting plate 3. The locking assembly 4 is used to securely lock the first connecting plate 2 and the second connecting plate 3 together. The locking assembly 4 includes a support base 41, which is fixed to the back of the second connecting plate 3 by welding. The support base 41 is made of 45 steel and has dimensions of 80mm×50mm×20mm. A guide tube 42 is connected to the top of the support base 41. A positioning post 44 is inserted into the guide tube 42. The positioning post 44 is made of stainless steel, has a diameter of 20mm, and its surface is hardened to improve wear resistance. A spring 45 is fitted on the positioning post 44. The spring 45 is made of 65Mn, has a length of 50mm, and an elastic coefficient of 5N / mm. A locking post 43 is connected to one end of the spring 45. The locking post 43 has a length of 40mm and a diameter of 15mm. The locking post 43 is used to extend into the locking hole 21 of the first connecting plate 2 to achieve locking.

[0049] See Figure 2 The first connecting plate 2 has two symmetrically through-holes 22 on its side; the diameter of the positioning holes 22 is 12mm and the hole spacing is 50mm; the side of the second connecting plate 3 is fixedly connected with a positioning head 32 corresponding to the positioning holes 22. The positioning head 32 is machined as a whole, with a diameter of 12mm and a length of 20mm. After the positioning head 32 is inserted into the positioning hole 22, it can provide additional axial positioning to improve the connection accuracy and stability.

[0050] See Figure 2-5 The locking hole 21 is shaped like a gourd, with the large hole having a diameter of 20mm and the small hole having a diameter of 15mm. One end of the locking post 43 is fixedly connected to a stop 431, which has a diameter of 18mm, a thickness of 5mm, and is made of 45# steel. The gourd-shaped design of the locking hole 21 ensures that the locking post 43 can be smoothly inserted and achieve reliable limiting after locking.

[0051] See Figure 3-5 A guide groove 421 is provided through the side of the guide tube 42. The guide groove 421 is 5mm wide and 2mm deep. A positioning groove 4211 is provided at the top of the guide groove 421. The positioning groove 4211 is 3mm deep and 8mm long. A stop bar 441 is provided on the outside of the positioning post 44. The stop bar 441 is 4mm in diameter and 10mm in length. The stop bar 441 is located in the guide groove 421 and the rotation direction and limiting function of the positioning post 44 are ensured by the restriction of the guide groove 421.

[0052] See Figure 1-2 A through hole 31 with a diameter of 16mm is provided at the center of the side of the second connecting plate 3. The locking post 43 is provided through the through hole 31. The edge of the through hole 31 is chamfered to reduce friction when the locking post 43 is inserted and extend its service life.

[0053] See Figure 3 The top of the positioning post 44 is provided with a handle 46. The handle 46 has a T-shaped structure, a length of 80mm and a width of 20mm, and is wrapped with rubber to improve grip comfort. The design of the handle 46 makes it easy for the operator to rotate the positioning post 44 clockwise or counterclockwise.

[0054] See Figure 4 A flange ring 411 is fixedly connected to the bottom outer side of the support base 41. The flange ring 411 has an outer diameter of 60mm, an inner diameter of 40mm, and a thickness of 8mm. The flange ring 411 is connected to the second connecting plate 3 by four screws with a diameter of 8mm. The presence of the flange ring 411 not only enhances the fixing strength of the support base 41, but also facilitates the disassembly, assembly, and maintenance of the support base 41.

[0055] The working principle of this utility model is as follows:

[0056] When in use, insert the locking pin 43 into the locking hole 21. During the insertion process, first insert it into the large hole part of the locking hole 21. When the stop head 431 passes through the large hole, move the locking pin 43 towards the small hole part of the locking hole 21, and then insert the positioning head 32 into the positioning hole 22.

[0057] Then hold the handle 46 with your hand and turn the handle 46 clockwise. As the handle 46 rotates, the positioning post 44 will rotate synchronously. When the positioning post 44 rotates, the stop bar 441 located on the positioning post 44 will move along the guide groove 421. When the stop bar 441 moves into the positioning groove 4211, stop turning the handle 46.

[0058] During this process, the locking post 43 will make the first connecting plate 2 and the second connecting plate 3 fit together tightly;

[0059] When it is necessary to separate the first connecting plate 2 and the second connecting plate 3, simply turn the handle 46 counterclockwise to move the stop lever 441 from the positioning groove 4211 into the guide groove 421. At this time, under the action of the spring 45, the stop lever 441 will automatically slide along the guide groove 421 and into the bottom of the guide groove 421. During this process, the stop head 431 will separate from the first connecting plate 2, thereby separating the first connecting plate 2 and the second connecting plate 3.

[0060] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A steel structural truss comprising a truss body (1), characterized in that: One end of the frame body (1) is fixedly connected with a first connecting plate (2), and the other end of the frame body (1) is fixedly connected with a second connecting plate (3); The first connecting plate (2) and the second connecting plate (3) are connected through plug-in mode; A locking assembly (4) is installed on the second connecting plate (3), and the locking assembly (4) is used for locking the first connecting plate (2) and the second connecting plate (3) together; The locking assembly (4) comprises a supporting seat (41) installed on the back of the second connecting plate (3), a guide pipe (42) connected to the top of the supporting seat (41), a positioning column (44) inserted into the guide pipe (42), a spring (45) sleeved on the positioning column (44), and a clamping column (43) connected to one end of the spring (45); A clamping hole (21) is formed in the side of the first connecting plate (2); The clamping column (43) extends into the clamping hole (21); When the positioning column (44) is counterclockwise rotated, the clamping column (43) moves towards the top of the supporting seat (41) and tightly abuts against the second connecting plate (3).

2. A steel structural truss as claimed in claim 1, wherein: A positioning hole (22) is symmetrically formed in the side of the first connecting plate (2); A positioning head (32) corresponding to the positioning hole (22) is fixedly connected to the side of the second connecting plate (3); When the first connecting plate (2) is connected with the second connecting plate (3), the positioning head (32) is inserted into the positioning hole (22).

3. A steel structural truss as defined in claim 1, wherein: The clamping hole (21) is in the shape of a gourd; One end of the clamping column (43) is fixedly connected with a stop head (431).

4. A steel structural truss as claimed in claim 3, wherein: A guide groove (421) is formed in the side of the guide pipe (42), and a positioning groove (4211) is formed in the top end of the guide groove (421); An abutment rod (441) is arranged on the outer side of the positioning column (44) and located in the guide groove (421).

5. A steel structural truss as claimed in claim 4, wherein: A through hole (31) is formed in the center of the side of the second connecting plate (3), and the clamping column (43) passes through the through hole (31).

6. A steel structural truss as defined in claim 1, wherein: A handle (46) is arranged on the top of the positioning column (44).

7. A steel structural truss as defined in claim 1, wherein: A flange (411) is fixedly connected to the bottom outer side of the supporting seat (41), and the flange (411) is connected to the second connecting plate (3) through screws.

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