Building steel structure with locking mechanism

Abstract

The utility model discloses a building steel structure with a locking mechanism, which comprises a first I-shaped steel and a second I-shaped steel, the second I-shaped steel is positioned on the front side of the first I-shaped steel, the building steel structure further comprises a locking box, the locking box is arranged in the middle of the rear end of the first I-shaped steel, and a double-thread transmission rod is rotatably arranged on the rear side in the locking box. The two sides of the outer portion of the double-thread transmission rod are in threaded connection with moving blocks, two limiting blocks are welded to the front sides of the inner sides of the moving blocks, clamping blocks are further included and welded to the rear sides of the two sides of the second I-shaped steel, and two clamping grooves are formed in the middle of the interior of the first I-shaped steel. According to the building steel structure with the locking mechanism, locking looseness caused by vibration, impact or other external factors can be effectively prevented, so that the long-term stability and reliability of fixing of the clamping blocks in the locking box are guaranteed, and the connection firmness of the first I-shaped steel and the second I-shaped steel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building steel structures, in particular to a building steel structure provided with a locking mechanism. Background Technique

[0002] A steel structure is a structural system composed of steel materials and is one of the common structural forms in construction engineering. It is mainly composed of steel beams, steel columns, steel trusses and other components made of sections and steel plates. The components are connected by welds, bolts or rivets. Steel structures are widely used in large factories, stadiums, super high-rise buildings, bridges and other fields due to their advantages of high strength, light weight, fast construction speed, good seismic performance, etc. Building steel structures specifically refer to the steel structure systems applied in construction projects. They utilize the excellent performance of steel to build beautiful and practical building spaces. Building steel structures can not only effectively improve the bearing capacity and seismic performance of buildings, but also shorten the construction period and reduce the construction cost.

[0003] A Chinese patent with the publication number of CN212561883U discloses a building steel structure, including a support column and a cross beam. A limiting groove is opened on the left side of the support column, and a through groove one penetrating the support column is opened in the limiting groove. A limiting plate is welded to the left end of the cross beam. The cross beam passes through the through groove one, and the limiting plate is clamped in the limiting groove. A number of fixing bolts three are arranged on the surface of the limiting plate. A clamping groove is opened on the right side of the support column, and a fixed outer frame is arranged on the right side of the support column. A through groove two is opened in the fixed outer frame, and the through groove two passes through the cross beam. The fixed outer frame is clamped in the clamping groove, and a number of fixing bolts one are arranged on the front and back sides of the fixed outer frame. Fixed blocks are arranged at the upper and lower ends on the right side of the fixed outer frame, and a number of fixing bolts two are arranged on the fixed blocks.

[0004] Although the above solution facilitates the timely replacement of a certain component when it is damaged without replacing the entire structure, the building steel structure lacks a locking mechanism during assembly. The components that are not firmly locked are prone to relative displacement, and even lead to connection failure, thus threatening the safety of the entire building. Therefore, it does not meet the existing requirements. For this reason, we propose a building steel structure provided with a locking mechanism. Content of the Utility Model

[0005] The purpose of the utility model is to provide a building steel structure provided with a locking mechanism to solve the problem of insufficient connection firmness caused by the lack of a locking mechanism between the components of the building steel structure in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A building steel structure provided with a locking mechanism includes a first I-beam and a second I-beam, and the second I-beam is located in front of the first I-beam;

[0007] It further includes a locking box which is arranged at the middle position of the rear end of the first I-beam. A double-threaded drive rod is rotatably arranged at the rear side inside the locking box. Two moving blocks are threadedly connected to both sides of the outer part of the double-threaded drive rod. Two limiting blocks are welded to the front side of the inner side of each moving block.

[0008] It further includes a clamping block which is welded to the rear sides of both sides of the second I-beam. Two clamping grooves are formed at the middle position inside the first I-beam. The clamping blocks penetrate through the clamping grooves and extend into the interior of the locking box, and the clamping blocks are slidably matched with the clamping grooves.

[0009] Preferably, one end of the double-threaded drive rod is provided with a rotating shaft which is rotatably connected to the locking box. A driving worm gear is arranged on the outer wall of the rotating shaft. A driving worm is rotatably arranged at one side of the rear side of the lower end inside the locking box, and worm gearing is provided between the driving worm and the driving worm gear.

[0010] Preferably, a rotating rod is welded to the upper end of the driving worm. One end of the rotating rod penetrates through and extends to the outside of the locking box, and the rotating rod is rotatably matched with the locking box. An internal hexagonal block is arranged at the end of the rotating rod located outside the locking box.

[0011] Preferably, a guiding rod is welded to the middle position inside the locking box. The guiding rod penetrates through the moving block, and the guiding rod is slidably matched with the moving block.

[0012] Preferably, two limiting grooves are formed at the end of the clamping block located inside the locking box. The limiting blocks penetrate through the limiting grooves, and the limiting blocks are slidably matched with the limiting grooves.

[0013] Preferably, two fixing plates are integrally formed at the rear ends of the upper and lower ends of the second I-beam, and the fixing plates and the first I-beam are fixedly connected by bolts.

[0014] Preferably, two guiding blocks are welded to the middle position of the front end of the first I-beam.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the present utility model, a double-threaded drive rod is rotatably arranged at the rear side inside the locking box. During installation, the clamping block is passed through the clamping groove, and then the double-threaded drive rod is rotated. The rotation of the double-threaded drive rod will drive the two moving blocks to move towards each other, and each moving block will drive the two limiting blocks to move synchronously, so that the limiting blocks can be clamped into the inside of the limiting groove, thereby clamping and fixing the clamping block, effectively preventing the clamping block from accidentally loosening or falling off due to external force. At the same time, after reaching the preset locking position, even if the rotation of the drive rod stops, due to the frictional force between the threads, the limiting blocks will remain in their locked positions and are not easily loosened by slight external vibrations or impacts, thus ensuring the long-term stable connection state of the components inside the locking box and improving the connection firmness between the first I-beam and the second I-beam.

[0017] 2. In the present utility model, a rotating shaft is arranged at one end of the double-threaded drive rod, and a driving worm gear is arranged on the outer wall of the rotating shaft. When it is necessary to rotate the double-threaded drive rod, the operator can rotate the inner hexagonal block with an inner hexagonal wrench to make the driving worm rotate. There is a worm drive between the driving worm and the driving worm gear, so the driving worm gear can be driven to make the double-threaded drive rod rotate synchronously. Since the worm drive has self-locking property, when the rotation stops, the double-threaded drive rod will maintain its current position and will not easily rotate in the reverse direction due to external force. This self-locking performance effectively prevents the locking from loosening due to vibration, impact or other external factors, thus ensuring the long-term stability and reliability of the clamping block fixation inside the locking box and further improving the connection firmness between the first I-beam and the second I-beam.

[0018] 3. In the present utility model, fixing plates are arranged at the rear sides of the upper and lower ends of the second I-beam, and two guiding blocks are arranged in the middle of the front end of the first I-beam. When the second I-beam and the first I-beam are butt-jointed and fixed, preliminary guiding can be carried out through the guiding blocks, so that the clamping block can be more conveniently clamped into the inside of the clamping groove, making the installation more convenient. At the same time, after the second I-beam and the first I-beam are fixed, the fixing plates can be fixed to the first I-beam through bolts, thereby further improving the connection firmness between the second I-beam and the first I-beam, and making the entire connection structure stable when bearing external forces and not easily deformed or damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2 is a top view schematic diagram of the internal structure of the present utility model;

[0021] Figure 3 is a side view schematic diagram of the internal structure of the locking box of the present utility model;

[0022] Figure 4 of the present utility model Figure 2Partial enlarged view of area A in the figure.

[0023] In the figure: 1. First I-beam; 2. Second I-beam; 3. Locking box; 4. Double-threaded drive rod; 5. Rotating shaft; 6. Driving worm gear; 7. Driving worm; 8. Rotating rod; 9. Hexagon socket block; 10. Guide rod; 11. Moving block; 12. Limiting block; 13. Clamping block; 14. Limiting groove; 15. Card slot; 16. Fixed plate; 17. Guide block. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative work shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-4 , the present invention provides a technical solution: a building steel structure provided with a locking mechanism, including a first I-beam 1 and a second I-beam 2, and the second I-beam 2 is located in front of the first I-beam 1;

[0026] It further includes a locking box 3, which is arranged at the middle position of the rear end of the first I-beam 1. A double-threaded drive rod 4 is rotatably arranged at the rear side inside the locking box 3. Both sides of the outside of the double-threaded drive rod 4 are threadedly connected with moving blocks 11. Two limiting blocks 12 are welded to the front sides of the inner sides of the moving blocks 11;

[0027] It further includes clamping blocks 13, which are welded to the rear sides of both sides of the second I-beam 2. Two card slots 15 are opened at the middle position inside the first I-beam 1. The clamping blocks 13 penetrate through the card slots 15 and extend into the inside of the locking box 3, and the clamping blocks 13 are all slidably matched with the card slots 15.

[0028] During use, the second I-beam 2 is inserted into the first I-beam 1, and the guide block 17 ensures smooth docking. The clamping block 13 penetrates into the card slot 15 and enters the locking box 3. Use an inner hexagon wrench to rotate the hexagon socket block 9, drive the rotating rod 8 and the driving worm 7 to rotate, drive the driving worm gear 6 and the rotating shaft 5 through worm transmission, and then rotate the double-threaded drive rod 4. The double-threaded drive rod 4 drives the two moving blocks 11 to move towards each other on the guide rod 10, so that the limiting blocks 12 are clamped into the limiting grooves 14, firmly locking the clamping blocks 13. Finally, the fixed plate 16 is fastened to the first I-beam 1 by bolts, further enhancing the connection firmness, ensuring a stable and reliable connection between the first I-beam 1 and the second I-beam 2, and effectively resisting external vibrations and impacts.

[0029] Please refer to Figure 2 and Figure 3, one end of the double-threaded drive rod 4 is provided with a rotating shaft 5, and the rotating shaft 5 is rotatably connected to the locking box 3. A driving worm gear 6 is arranged on the outer wall of the rotating shaft 5. One side of the rear side of the lower end inside the locking box 3 is rotatably provided with a driving worm 7, and a worm drive is provided between the driving worm 7 and the driving worm gear 6. By utilizing the self-locking property of the worm drive, the stability and safety of the locking mechanism are increased;

[0030] Please refer to Figure 3 , a rotating rod 8 is welded to the upper end of the driving worm 7. One end of the rotating rod 8 penetrates and extends to the outside of the locking box 3, and the rotating rod 8 is rotatably matched with the locking box 3. An internal hexagonal block 9 is arranged at the end of the rotating rod 8 located outside the locking box 3. The operator can easily rotate the rotating rod 8 using an internal hexagonal wrench, and the operation is simple and fast;

[0031] Please refer to Figure 2 and Figure 3 , a guide rod 10 is welded at the middle position inside the locking box 3. The guide rod 10 penetrates through the moving block 11, and the guide rod 10 is slidably matched with the moving block 11. The guide rod 10 ensures the linearity and stability of the moving block 11 during the movement process, preventing it from shifting or rotating;

[0032] Please refer to Figure 4 , two limiting grooves 14 are formed at one end of the clamping block 13 located inside the locking box 3. The limiting blocks 12 penetrate through the limiting grooves 14, and the limiting blocks 12 are slidably matched with the limiting grooves 14. When the limiting blocks 12 are clamped into the limiting grooves 14, the clamping block 13 can be firmly locked to prevent it from coming out, enhancing the firmness of the connection;

[0033] Please refer to Figure 1 and Figure 3 , two fixing plates 16 are integrally formed at the rear ends of the upper and lower ends of the second I-beam 2, and the fixing plates 16 and the first I-beam 1 are both fixedly connected by bolts. The connection through the fixing plates 16 can further reinforce the connection between the second I-beam 2 and the first I-beam 1, making the overall structure more stable;

[0034] Please refer to Figure 1 , Figure 2 and Figure 3 , two guiding blocks 17 are welded at the middle position of the front end of the first I-beam 1. The guiding blocks 17 can guide the second I-beam 2 to be accurately inserted and play a role in preliminary positioning during the insertion process.

[0035] Working principle: When in use, align the second I-beam 2 with the middle position at the front end of the first I-beam 1 and insert it. Through the two guiding blocks 17 for preliminary positioning and guiding, the second I-beam 2 is inserted through the middle of the two guiding blocks 17, and the clamping block 13 passes through the clamping groove 15 and will move into the inside of the locking box 3. At this time, the operator can rotate the inner hexagonal block 9 with an inner hexagonal wrench. The inner hexagonal block 9 will drive the rotating rod 8 to rotate synchronously. The rotating rod 8 will drive the driving worm 7 to rotate synchronously. There is a worm drive between the driving worm 7 and the driving worm gear 6, so it will drive the driving worm gear 6 to make the rotating shaft 5 rotate synchronously. The rotating shaft 5 will drive the double-threaded drive rod 4 to rotate synchronously. The double-threaded drive rod 4 will drive the two moving blocks 11 to rotate synchronously. Since the moving blocks 11 are all slidably matched with the guiding rods 10, the moving blocks 11 will all be axially limited. The rotation of the two moving blocks 11 will be converted into opposite or approaching horizontal linear movements. When the two moving blocks 11 move towards each other, the moving blocks 11 will drive the limiting blocks 12 to be inserted into the inside of the limiting groove 14, so as to limit the clamping block 13 and prevent the clamping block 13 from coming out, locking the first I-beam 1 and the second I-beam 2, and not being easily loosened by external slight vibrations or impacts. Subsequently, fix the fixing plate 16 and the first I-beam 1 with bolts to further improve the connection firmness between the second I-beam 2 and the first I-beam 1, so that the entire connection structure can remain stable when bearing external forces and is not easily deformed or damaged.

[0036] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A building steel structure provided with a locking mechanism, comprising a first I-beam (1) and a second I-beam (2), and the second I-beam (2) is located in front of the first I-beam (1), characterized in that: It further includes a locking box (3), which is arranged at the middle position of the rear end of the first I-beam (1). A double-threaded drive rod (4) is rotatably arranged at the rear side inside the locking box (3). Both sides of the outside of the double-threaded drive rod (4) are threadedly connected with moving blocks (11). Two limiting blocks (12) are welded to the front sides of the inner sides of the moving blocks (11); It further includes a clamping block (13), which is welded to the rear sides of both sides of the second I-beam (2). Two clamping grooves (15) are opened at the middle position inside the first I-beam (1). The clamping blocks (13) penetrate through the clamping grooves (15) and extend into the inside of the locking box (3), and the clamping blocks (13) are all slidably matched with the clamping grooves (15).

2. A building steel structure provided with a locking mechanism according to claim 1, characterized in that: One end of the double-threaded drive rod (4) is provided with a rotating shaft (5), and the rotating shaft (5) is rotatably connected with the locking box (3). A driving worm gear (6) is arranged on the outer wall of the rotating shaft (5). A driving worm (7) is rotatably arranged at one side of the rear side of the lower end inside the locking box (3), and a worm drive is provided between the driving worm (7) and the driving worm gear (6).

3. The building steel structure provided with a locking mechanism according to claim 2, characterized in that: The upper end of the driving worm (7) is welded with a rotating rod (8). One end of the rotating rod (8) penetrates through and extends to the outside of the locking box (3), and the rotating rod (8) is rotatably matched with the locking box (3). An internal hexagonal block (9) is arranged at the end of the rotating rod (8) located outside the locking box (3).

4. A building steel structure provided with a locking mechanism according to claim 1, characterized in that: A guiding rod (10) is welded at the middle position inside the locking box (3). The guiding rod (10) penetrates through the moving block (11), and the guiding rod (10) is slidably matched with the moving block (11).

5. A building steel structure provided with a locking mechanism according to claim 1, characterized in that: Two limiting grooves (14) are opened at one end of the clamping block (13) located inside the locking box (3). The limiting blocks (12) all penetrate through the limiting grooves (14), and the limiting blocks (12) are all slidably matched with the limiting grooves (14).

6. A building steel structure provided with a locking mechanism according to claim 1, characterized in that: Two fixing plates (16) are integrally formed at the rear ends of the upper and lower ends of the second I-beam (2), and the fixing plates (16) and the first I-beam (1) are both fixedly connected by bolts.

7. A building steel structure provided with a locking mechanism according to claim 1, characterized in that: Two guiding blocks (17) are welded at the middle position of the front end of the first I-beam (1).

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