Shearing-resistant reinforced connecting plate for steel structure

Abstract

The utility model relates to the field of steel structures, and discloses a shear-resistant reinforced connecting plate for a steel structure, which comprises a supporting frame, a plurality of supporting columns are fixedly connected in a support, two fixing pieces are in threaded connection with the outer parts of the supporting columns, a foundation is fixedly connected with the outer parts of the supporting columns, and the foundation is in threaded connection with the outer parts of the supporting columns. A plurality of inclined supporting rods are fixedly connected into the foundation, a groove is formed in the foundation, a shear key is fixedly connected to the bottom of the support, and a plurality of stiffening ribs are fixedly connected to the left side and the right side of each supporting frame. The inclined supporting plates in the foundation are distributed in a triangular mode, the shear bearing capacity of the joint is improved, the shear key is embedded into the groove of the foundation to form a mechanical meshing structure, and therefore horizontal shear force can be effectively resisted, relative slippage between the support and the foundation is prevented, the shear bearing capacity of the joint is greatly improved, and the shear effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of steel structures, and in particular to a shear-strengthened connecting plate for steel structures. Background Technology

[0002] Steel structure connection nodes need to withstand various loads during use, including shear force, bending moment, axial force, etc. Among them, shear force is the main factor leading to node failure. If the shear resistance of the node is insufficient, failure modes such as node slippage, weld tearing, and bolt shearing may occur. A shear-strengthened connection plate for steel structures effectively enhances the shear resistance and corrosion resistance of the nodes, while improving the overall quality and stability of the structure and ensuring structural safety and stability.

[0003] The support connects the support column and the foundation, transferring the load to the foundation through the support column. The support column and the foundation share the load, ensuring the stability of the structure. The diagonal bracing plate inside the foundation further enhances the bearing capacity of the foundation. Through its connection with the foundation and the support, the diagonal bracing plate effectively disperses and transfers the load, improving the shear resistance of the structure. The shear key is fixed in the groove, increasing the shear resistance between the support and the foundation, ensuring the overall stability of the structure and achieving the effect of shear resistance.

[0004] The complex structure increases the difficulty of processing during manufacturing, and requires more manpower and time to assemble and debug components during installation. The complex manufacturing process also increases material costs, processing costs, and transportation costs. To address these issues, a shear-strengthened connecting plate for steel structures is proposed. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a shear-strengthened connecting plate for steel structures, aiming to improve the problem of insufficient structural stability in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A shear-strengthening connecting plate for steel structures includes a support frame, multiple reinforcing plates fixedly connected to the exterior of multiple support frames, a support fixedly connected to the bottom of each reinforcing plate, multiple support columns fixedly connected inside each support, two fasteners threaded to the exterior of each support column, a foundation fixedly connected to the exterior of each support column, multiple diagonal braces fixedly connected inside the foundation, a groove formed inside the foundation, a shear key fixedly connected to the bottom of each support, multiple stiffening ribs fixedly connected to the left and right sides of the multiple support frames, and a disassembly assembly for easy replacement of the reinforcing connecting plate on the exterior of the support frame.

[0008] As a further description of the above technical solution:

[0009] The disassembly assembly includes a connecting frame, and the exterior of multiple support frames can be detachably connected to the outside of the connecting frame. Multiple fixing blocks are fixedly connected to the exterior of the multiple support frames. A connecting rod is slidably connected inside the fixing block. A fixing plate is fixedly connected to one side of the connecting rod, and a sliding baffle is slidably connected to the other side of the connecting rod. Bolts are threaded inside the connecting rod.

[0010] As a further description of the above technical solution:

[0011] A connector is fixedly connected to the top of the connecting frame;

[0012] As a further description of the above technical solution:

[0013] The connector has two fastening bolts connected by internal threads, and the bottoms of the four fasteners are all fixedly connected to the top of the foundation;

[0014] As a further description of the above technical solution:

[0015] The bottom of the anti-shear key is fixedly connected to the inside of the groove, and the outside of the plurality of fixing blocks are in contact with the left and right sides of the plurality of connecting frames;

[0016] As a further description of the above technical solution:

[0017] The internal parts of the multiple support frames are threaded to the outside of the fastening bolts, and the left and right sides of the multiple connecting frames can be detachably connected to the outside of the connecting rod;

[0018] As a further description of the above technical solution:

[0019] The exterior of each of the plurality of fixing plates is fixedly connected to the exterior of the plurality of fixing blocks, and the exterior of the plurality of baffles and the exterior of the plurality of fixing blocks are in contact.

[0020] As a further description of the above technical solution:

[0021] The bottoms of the multiple support frames are fixedly connected to the tops of the multiple supports, and the tops of the multiple diagonal braces are fixedly connected to the bottoms of the supports.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the stiffening ribs on both sides of the support frame can suppress web buckling, the inclined bracing plates in the foundation are triangularly distributed to improve the shear bearing capacity of the node, and the shear key is embedded in the foundation groove to form a mechanical interlocking structure, which can effectively resist horizontal shear force, prevent relative slippage between the support and the foundation, and greatly improve the shear bearing capacity of the node, thereby achieving the shear resistance effect.

[0024] 2. In this utility model, the fixing block is fixed on the support frame and connected by a connecting rod and the fixing block. The other side is fixed with a sliding baffle and bolts to prevent it from falling off. This allows for the replacement of long-term damaged parts, which is convenient and does not require the overall disassembly of the structure. This significantly reduces maintenance costs and time, thereby achieving the effect of disassembly. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a shear-strengthened connecting plate for steel structures proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the foundation for a shear-strengthened connecting plate for steel structures proposed in this utility model.

[0027] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0028] Figure 4 This is a schematic diagram of the connecting frame for a shear-strengthened connecting plate for steel structures proposed in this utility model;

[0029] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0030] Legend:

[0031] 1. Support frame; 2. Reinforcing plate; 3. Support; 4. Support column; 5. Fixing component; 6. Foundation; 7. Diagonal brace; 8. Groove; 9. Shear key; 10. Stiffening rib; 11. Connecting frame; 12. Fixing block; 13. Connecting rod; 14. Fixing plate; 15. Baffle; 16. Bolt; 17. Connecting component; 18. Fastening bolt. Detailed Implementation

[0032] 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.

[0033] Reference Figures 1 to 3This utility model provides an embodiment of a shear-strengthened connecting plate for steel structures, comprising a support frame 1 that bears and transmits the main load of the steel structure. Multiple reinforcing plates 2 are fixedly connected to the exterior of each support frame 1 to enhance the local stiffness of the support frame 1. Supports 3 are fixedly connected to the bottom of each reinforcing plate 2. Each support 3 is a horizontal load-bearing component. Multiple support columns 4 are fixedly connected inside each support 3 to bear the vertical load transmitted by the support 3. Two fasteners 5 are threadedly connected to the exterior of each support column 4, allowing the support column 4 to be fixed to the top of the foundation 6. The external fixed connections of the support columns 4... There is a foundation 6, which serves as the supporting base for the entire connecting plate. Multiple diagonal braces 7 are fixedly connected inside the foundation 6 to enhance the shear and bending stiffness of the foundation 6. A groove 8 is provided inside the foundation 6 to provide installation and positioning space for the shear key 9. The bottom of the support 3 is fixedly connected to the shear key 9, which is directly embedded in the groove 8 of the foundation 6. The shear strength of the material resists horizontal slippage. Multiple stiffening ribs 10 are fixedly connected to the left and right sides of the multiple support frames 1 to prevent the support frames 1 from buckling under shear force. The outside of the support frame 1 has a disassembly component for easy replacement of the reinforcing connecting plate.

[0034] Reference Figure 1 , Figure 4 and Figure 5 The disassembly assembly includes a connecting frame 11, which is a detachable steel frame. Multiple support frames 1 are detachably connected to the outside of the connecting frame 11, allowing the entire connecting plate module to be disassembled without damaging the main structure. Multiple fixing blocks 12 are fixedly connected to the outside of the multiple support frames 1, connecting the support frames 1 and the connecting frame 11 as a whole. A connecting rod 13 is slidably connected inside the fixing block 12, which can be quickly separated and connected to the connecting frame 11 by sliding. A fixing plate 14 is fixedly connected to one side of the connecting rod 13 to limit the sliding stroke of the connecting rod 13. A sliding baffle 15 is slidably connected to the other side of the connecting rod 13. When the bolt 16 is tightened, the connecting rod 13 is locked in the fixing block 12 to prevent it from loosening due to vibration or other factors. When disassembling, the bolt 16 is loosened, and the connecting rod 13 can be pulled out to achieve quick separation. The connecting rod 13 is threaded with a bolt 16, which presses the sliding baffle 15 onto the fixing block 12 to form a reliable connection lock.

[0035] Reference Figures 1 to 3A connector 17 is fixedly connected to the top of the connecting frame 11. One side is fixed to the connecting frame 11, and the other side is connected to the support frame 1 via fastening bolts 18. Two fastening bolts 18 are internally threaded onto the connector 17, allowing the connecting frame 11 to be fixed to the support frame 1. The bottoms of four fixing parts 5 are fixedly connected to the top of the foundation 6, enhancing the shear stiffness and connection reliability of the node. The bottom of the shear key 9 is fixedly connected to the inside of the groove 8, directly bearing horizontal shear force and resisting horizontal slippage. The external contact of the fixing block 12 is connected to the left and right sides of multiple connecting frames 11, and is fixedly welded to the support frame 1 for connecting the connecting frames 11. The internal threads of multiple support frames 1 are all externally threaded onto the fastening bolts 18, connecting to the connecting frame 11 via the fastening bolts 18 and the connector 17. Both sides of 11 can be detachably connected to the outside of the connecting rod 13. The support frame 1 and the connecting frame 11 are connected by the fixing block 12, the connecting rod 13, the fixing plate 14 and the baffle 15, so as to realize the quick connection and separation of the connecting frame 11. The outside of multiple fixing plates 14 are fixedly connected to the outside of multiple fixing blocks 12 to limit the connecting rod 13. The outside of multiple baffles 15 and the outside of multiple fixing blocks 12 are in contact. The sliding baffle 15 is pressed onto the fixing block 12 by the preload of the bolts 16. The bottom of multiple support frames 1 is fixedly connected to the top of multiple supports 3. The vertical load is transferred to the foundation 6 through the supports 3. The top of multiple diagonal braces 7 is fixedly connected to the bottom of the supports 3, decomposing the load of the supports 3 into axial tension and compression, guiding it to the deep layer of the foundation 6, and reducing the stress concentration on the surface of the foundation 6.

[0036] Working principle: The stiffening ribs 10 on both sides of the support frame 1 increase the stiffness of the web and suppress local buckling under shear force. The support column 4 is rigidly connected to the foundation 6 through the fastener 5, which restricts the horizontal displacement of the support frame 1 and enhances the overall stability. The shear force can be transferred to the shear key 9 through the support 3. The shear key 9 is embedded in the groove 8 of the foundation 6, thereby directly resisting horizontal slippage. The diagonal bracing 7 is reinforced in the foundation 6 and can be connected to the support 3 to form a spatially stable structure, further dispersing the load and reducing the settlement of the foundation 6, making the structure more stable and improving the shear resistance of the structure, thereby achieving the effect of shear resistance.

[0037] When the connecting frame 11 needs to be replaced, the connecting piece 17 is welded to the connecting frame 11 on one side and fixed to the support frame 1 on the other side with fastening bolts 18. First, unscrew the fastening bolts 18, and then unscrew the bolts 16, so that the sliding baffle 15 can be removed. Then, the connecting rod 13 can be pulled out from the fixed block 12 from the side of the fixed plate 14. Then, the entire connecting frame 11 can be disassembled from the support frame 1. This allows the connecting frame 11 to be disassembled and replaced without removing other parts, thereby realizing the replacement and disassembly of the connecting frame 11 and achieving the effect of convenient replacement and disassembly.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A shear strengthening plate for steel structures, comprising a support frame (1), characterized in that: The exterior of the plurality of support frames (1) is fixedly connected with a plurality of reinforcing plates (2), the bottom of the reinforcing plate (2) is fixedly connected with a support (3), the interior of the support (3) is fixedly connected with a plurality of support columns (4), the exterior of the support column (4) is threadedly connected with two fixing members (5), the exterior of the support column (4) is fixedly connected with a foundation (6), the interior of the foundation (6) is fixedly connected with a plurality of inclined struts (7), the interior of the foundation (6) is provided with a groove (8), the bottom of the support (3) is fixedly connected with a shear key (9), the left and right sides of the plurality of support frames (1) are fixedly connected with a plurality of stiffening ribs (10), and the exterior of the support frame (1) has a dismounting assembly for conveniently replacing the reinforcing connecting plate.

2. A shear strengthening plate for steel structures according to claim 1, characterized in that: The dismounting assembly comprises a connecting frame (11), the exterior of the plurality of support frames (1) is detachably connected to the exterior of the connecting frame (11), the exterior of the plurality of support frames (1) is fixedly connected with a plurality of fixed blocks (12), the interior of the fixed block (12) is slidably connected with a connecting rod (13), one side of the connecting rod (13) is fixedly connected with a fixed plate (14), the other side of the connecting rod (13) is slidably connected with a sliding baffle (15), and the interior of the connecting rod (13) is threadedly connected with a bolt (16).

3. A shear strengthening plate for steel structures according to claim 2, characterized in that: The top of the connecting frame (11) is fixedly connected with a connecting member (17).

4. The shear strengthening plate for steel structures according to claim 1, characterized in that: The interior of the connecting member (17) is threadedly connected with two fastening bolts (18), and the bottom of the four fixing members (5) is fixedly connected to the top of the foundation (6).

5. The shear strengthening plate for steel structures according to claim 2, characterized in that: The bottom of the shear key (9) is fixedly connected in the interior of the groove (8), and the exteriors of the plurality of fixed blocks (12) are connected on the left and right sides of the plurality of connecting frames (11).

6. A shear strengthening plate for steel structures according to claim 3, characterized in that: The interiors of the plurality of support frames (1) are threadedly connected to the exteriors of the fastening bolts (18), and the left and right sides of the plurality of connecting frames (11) are detachably connected to the exterior of the connecting rod (13).

7. The shear strengthening plate for steel structures according to claim 2, characterized in that: The exteriors of the plurality of fixed plates (14) are fixedly connected to the exteriors of the plurality of fixed blocks (12), and the exteriors of the plurality of baffles (15) are in contact with the exteriors of the plurality of fixed blocks (12).

8. The shear strengthening plate for steel structures according to claim 1, characterized in that: The bottom of the plurality of support frames (1) is fixedly connected to the top of the plurality of supports (3), and the top of the plurality of inclined struts (7) is fixedly connected to the bottom of the support (3).

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