Bearing-increasing type steel structure beam column and accessory

Abstract

The utility model belongs to the technical field of steel structures, and particularly relates to a bearing type steel structure beam column and accessories. Comprising a group of vertically-welded steel columns and novel load-increasing steel beams, each steel column is composed of a left flange plate, a web plate, a right flange plate and a stiffened plate, the two ends of the web plate are vertically connected to the middle of the left flange plate and the middle of the right flange plate, and the two sides of the left flange plate and the two sides of the right flange plate are each provided with a bend inwards. The stiffened plate is perpendicular to the two bends at the two parallel ends of the web plate; the steel beam is composed of an upper flange plate, a web and a lower flange plate, two sides of the upper flange plate are provided with bends inwards and are connected with the steel columns at the two ends through vertical bolts, the whole structure is not changed from a traditional style, but a main component is made of the bends and pull rods on the lower portion of the steel beam. According to the bearing-increasing type steel structure beam column and the accessory, the bearing capacity of the H-shaped steel is increased through the novel steel structure, design standard loads are achieved through fewer steel materials, the structure of a building can be more stable, and the cost is lower.

Description

Technical Field

[0001] This utility model belongs to the field of steel structure technology, specifically relating to reinforced steel structure beams, columns and accessories. Background Technology

[0002] Existing steel structures are building structures composed of welded H-beams, suitable for industrial plants, warehouses, and other building structures. Their materials consist of hot-rolled H-beams and welded H-beams, with welded H-beams further divided into variable cross-section and embedded types. Variable cross-section H-beams refer to those whose cross-sectional shape changes along their length, typically used in large-span workshops and factories to reduce structural weight and save construction costs. Embedded H-beams, on the other hand, have a cross-sectional shape that remains constant along their length, suitable for structures requiring stable support. H-beams can be assembled and welded into various components, significantly accelerating construction and shortening the construction period. In engineering construction, load-bearing beams or columns generally use box-section steel or lattice steel structures. Their closed-section design improves seismic resistance and provides high load-bearing capacity and bending stiffness. However, these steel structures are complex to manufacture and have high processing costs. Therefore, a new type of energy-efficient steel structure is needed to replace some box-section and lattice steel structures. Utility Model Content

[0003] The purpose of this utility model is to solve the problems existing in the background art mentioned above, and to provide a load-bearing steel structure beam and column and accessories. By using a new type of steel structure, the load-bearing capacity of H-beams is increased, and the load-bearing capacity of box-type steel structures is achieved with less steel, which can make the building structure more stable and the cost lower.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a load-bearing steel structure beam-column and accessories, comprising a set of vertically welded steel columns and a new type of load-bearing steel beam. The steel column is composed of a left flange plate, a web plate, a right flange plate, and a stiffening plate. The two ends of the web plate are vertically connected to the middle of the left and right flange plates. Both sides of the left and right flange plates are bent inwards and segmented. The stiffening plate is bent perpendicular to the two flange plates and welded between the two bends. The steel beam consists of an upper flange, a web, and a lower flange. The two ends of the web are vertically connected to the middle of the upper and lower flanges. The upper flange has inward bends on both sides, and the bottom of the lower flange has tensioning members to increase load and stability. Connecting plates are welded to the left and right ends of the steel beam and are connected to the top connecting plates of the left or right flanges of the steel columns by bolts on the connecting plates. Inter-column bracing is also provided between the steel columns, and connecting members are provided at the top of the steel beam.

[0005] Furthermore, the inter-column support includes connecting steel plates, thickened flat irons, transition plates, and ribs. The connecting steel plates are welded in pairs to both ends of the left and right flange plates of the steel columns. At least four pairs of connecting steel plates are symmetrically connected between two adjacent steel columns. The two ends of the thickened flat irons are installed between the connecting steel plates by bolts, and the intersections are fastened by transition plates. Ribs are vertically connected between each parallel thickened flat iron.

[0006] Furthermore, the tensioning component includes a tension rod connecting plate, a tension rod balance bracket, a tie rod, a fastening nut, and a reinforcing plate. The tension rod connecting plates are fixed in pairs to the bottom of the lower flange plate of the steel beam. The tension rod balance bracket is fixed between the two tension rod connecting plates and is fixed to the steel beam. The tie rod passes through the tension rod connecting plate, the tension rod balance bracket, and the tension rod connecting plate in sequence, and both ends are fixed to the tension rod connecting plate by fastening nuts.

[0007] Furthermore, the connecting component includes C-shaped steel, tie rods, connecting plates, and fastening bolts. The C-shaped steel is fixed to the steel beam by the connecting plates, and the tie rods are fixed between two adjacent C-shaped steels by the fastening bolts.

[0008] Furthermore, the tie rod consists of two fixing plates, two galvanized flat irons, and two fastening bolts. One end of the galvanized flat iron has two round slots, and the other end is connected to the fixing plate. The round slot ends of the galvanized flat iron are connected to form a whole by fastening bolts. The fixing plate is connected to the back of the C-shaped steel by fastening bolts.

[0009] Furthermore, the left and right sides of the tie plate are also connected with reinforcing plates.

[0010] Furthermore, a sealing plate is also provided at the top of the steel column.

[0011] The beneficial effects of this utility model are: 1) The upper bending of the steel beam of this utility model can increase the strength of the upper flange plate. The tensile force at the bending point can offset or reduce the compressive force on the upper flange plate and web plate. At the same time, the connection of the tension member at the lower end of the steel beam can enhance the tensile strength of the lower flange plate. When the lower flange plate fails, it can replace the lower flange plate to bear the tensile force. Compared with the traditional steel beam structure, it saves steel materials and has the characteristics of being more solid and stable.

[0012] 2) The bending of both ends of the steel column of this utility model can increase the structural strength of the left and right flange plates, and the welding of stiffening plates at intervals between the bends can further improve the tensile, compressive and torsional resistance of the steel column. To a certain extent, it can replace box steel or lattice steel columns and is suitable for use in multi-story steel structure buildings and large-span steel structure workshops.

[0013] 3) The tie rods and inter-column supports provided in this utility model can provide effective support while saving steel materials. Furthermore, the use of flat iron as the main connecting material not only makes construction convenient, time-saving, and material-saving, but also ensures structural strength, making it economical, practical, and structurally stable. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 for Figure 1 Enlarged view of part A in the image.

[0016] Figure 3 This is a cross-sectional view of the steel column in this utility model.

[0017] Figure 4 This is a cross-sectional view of the steel beam in this utility model.

[0018] Figure 5 This is a schematic diagram of the inter-column support structure of this utility model.

[0019] Figure 6 This is a schematic diagram of the tensioning component in this utility model.

[0020] Figure 7 This is a schematic diagram of the connecting component in this utility model.

[0021] Figure 8 This is a structural diagram of the connection between the steel column and the inter-column support in this utility model.

[0022] Figure 9 This is a structural diagram showing the connection between the steel beam and the tensioning component in this utility model.

[0023] Figure 10 This is a partial structural diagram of the connector in this utility model.

[0024] In the diagram: 1. Steel column; 2. Steel beam; 3. Left flange plate; 4. Web plate; 5. Right flange plate; 6. Stiffening plate; 7. Bending; 8. Upper flange plate; 9. Lower flange plate; 10. Connecting plate; 11. Sealing plate; 12. Inter-column bracing; 13. Tensioner; 14. Connector; 15. Connecting steel plate; 16. Thickened flat iron; 17. Transition plate; 18. Rib plate; 19. Tie rod connecting plate; 20. Tension rod balance bracket; 21. Tie rod; 22. Fastening nut; 23. C-shaped steel; 24. Tie rod; 25. Fastening bolt; 26. Fixing plate; 27. Galvanized flat iron. Detailed Implementation

[0025] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0026] Example: As shown in the figure, the load-bearing steel structure beam-column of this utility model includes a set of vertically welded steel columns 1 and a new type of load-bearing steel beam 2. The steel beam 2 is erected on the left and right sides between the tops of the two steel columns 1. Adjacent steel beams 2 are welded at an incline to form a portal frame structure. The steel column 1 is composed of a left flange plate 3, a web plate 4, a right flange plate 5, and a stiffening plate 6. The two ends of the web plate 4 are vertically connected to the middle of the left flange plate 3 and the right flange plate 5, and both sides of the left flange plate 3 and the right flange plate 5 are provided with inward bends 7. The stiffening plate 6 is perpendicular to the web plate 4. The steel beam 2 is connected between two bends 7; it consists of an upper flange plate 8, a web plate 4, and a lower flange plate 9. The two ends of the web plate 4 are vertically connected to the middle of the upper flange plate 8 and the lower flange plate 9. The upper flange plate 8 has bends 7 on both sides facing inward. Two adjacent steel columns 1 are vertically welded together, and two adjacent steel beams 2 are inclinedly welded together to form an arch shape. The left and right ends of the steel beam 2 are also welded with connecting plates 10, which are fastened to the top of the left flange plate 3 or the right flange plate 5 of the steel column 1 by bolts on the connecting plates 10. The top of the steel column 1 is also provided with a sealing plate 11.

[0027] refer to Figure 1-4 The reinforced steel structure beam-column system includes a set of vertically connected steel columns 1, which are arranged in rows facing each other, fixed to the ground at the bottom and connected to steel beams 2 at the top. Steel beams 2 are erected between the steel columns 1 and bolted to the steel columns 1 after being welded together with connecting plates 10. The steel columns 1 are vertically welded from multiple H-beams, while the steel beams 2 are inclinedly welded from multiple H-beams to form an arch structure. Each H-beam consists of a left flange plate 3, a web plate 4, and a right flange plate 5. Both the left flange plate 3 and the right flange plate 5 of the steel column 1 have inward 90-degree bends 7 on both sides. The web plate 4 is welded in the center, and stiffening plates 6 are welded at intervals at the openings of the bends 7, making the thickness surface of the stiffening plates 6 perpendicular to the web plate 4. The left and right sides are connected to the bends 7, opening the left side of the left flange plate 3 and the left side of the right flange plate 5. The opening is connected at the opening, and similarly, the right side of the left flange plate 3 is also connected to the right side of the right flange plate 5 at the bend 7. The steel column 1 at the stiffening plate 6 has a box-shaped cross-section. The upper flange plate 8 of the steel beam 2 has inward bends 7 at 90 degrees on both sides, and the web plate 4 is welded in the middle. The steel beam 2 is arranged horizontally, and the connecting plates 10 are welded at both ends. The steel column 1 is arranged vertically and one side of the flange plate is connected to the steel beam 2. The connecting plate 10 is fastened to the flange plate of the steel column 1 by bolts, so that the steel beam 2 is erected on the top of the steel column 1 and fastened to the side of the steel column 1, that is, the flange plate. A sealing plate 11 is also connected to the top of the steel column 1. The sealing plate 11 is fixed to the top of the steel column 1 by welding to prevent rainwater or debris from entering the interior of the steel column 1 through the gap between the top web plate 4 and the flange plate, thus playing a protective role.

[0028] In this embodiment, the upper bend 7 of the steel beam 2 can increase the strength of the upper flange plate 8. The tensile force at the bend 7 can offset or reduce the compressive force on the upper flange plate 8 and the web plate 4. The steel column 1 is provided with bends 7 at both the top and bottom, and stiffening plates 6 are welded at intervals at the bends 7 for reinforcement. This not only increases the strength, but also improves the tensile, compressive and torsional resistance of the steel column 1. Compared with the traditional steel beam 2 structure, it saves steel materials and has the characteristics of being more solid and stable. To a certain extent, it can replace box steel or lattice steel column 1 and is suitable for multi-story steel structure buildings and large-span steel structure workshops.

[0029] The accessories for reinforced steel structure beams and columns include inter-column bracing 12 spaced between two steel columns 1, tensioning members 13 set at the bottom of the steel beam 2, and connecting members 14 installed at the top of the steel beam 2. The inter-column bracing 12 includes connecting steel plates 15, thickened flat irons 16, transition plates 17, and ribs 18. The connecting steel plates 15 are welded in pairs to the two ends of the left flange plate 3 and the right flange plate 5 of the steel column 1. At least four pairs of connecting steel plates 15 are symmetrically connected between two adjacent steel columns 1. The two ends of the thickened flat irons 16 are installed between the connecting steel plates 15 by bolts, and the intersection is fastened by the transition plate 17. Each parallel thickened flat iron 16 is vertically connected with a rib 18.

[0030] refer to Figure 5 and Figure 8 Inter-column supports 12 are installed at intervals on the left and right sides of steel columns 1. Specifically, inter-column supports 12 are installed only between the first and second, third and fourth, and fifth and sixth steel columns 1 on the left side, leaving the second and third, and fourth and fifth columns unsupported. The same applies to the right side. During connection, the inter-column supports 12 are fixed to the steel columns 1 at an angle and cross. The flanges of the steel columns 1 are positioned left and right, with the webs 4 connected laterally. The front and rear of the steel columns 1 are open, and longitudinal stiffening plates 6 are welded at intervals at these openings. At this point, two connecting steel plates 15 are welded to the left and right ends of the left flange 3, i.e., at the back of the bend 7. Two connecting steel plates 15 are also welded to the left and right sides of the right flange 5 of the adjacent steel columns 1 at the corresponding positions, ensuring that the connecting steel plates 15 are at the same height and opposite to each other. All four steel plates are located on a single foundation. The unit consists of four foundation units welded vertically between adjacent steel columns 1. Each connecting steel plate 15 is bolted with a thickened flat iron 16. Each foundation unit has four thickened flat irons 16 connected to it. These four are divided into two groups, front and back, with each group connected in parallel. Ribs 18 are vertically connected between the two parallel thickened flat irons 16. One group of thickened flat irons 16 is connected downwards from front to back, and the other group is connected upwards from front to back. The two groups of thickened flat irons 16 are staggered and connected to the two base unit units. The connection points of the thickened flat irons 16 are fixed with transition plates 17 and bolts to facilitate quick connection and fastening of the thickened flat irons 16 to the steel column 1. The four foundation units contain two upper and lower transition plates 17 and four groups of thickened flat irons 16 connected in pairs.

[0031] In this embodiment, the flat iron, transition plate 17 and bolt connection can save time and materials, and does not affect the structural strength of the connection. Compared with the traditional welding of round tie rod 21, the connection is more convenient and the material and labor costs are lower.

[0032] The tensioning component 13 includes a tie rod connecting plate 19, a tension rod 21 balance bracket 20, a tie rod 21, a fastening nut 22, and a reinforcing plate 6. The tie rod connecting plates 19 are fixed in pairs to the bottom of the lower flange plate 9 of the steel beam 2. The tension rod 21 balance bracket 20 is fixed between the two tie rod connecting plates 19 and is fixed to the steel beam 2. The tie rod 21 passes through the tie rod connecting plate 19, the tension rod 21 balance bracket 20, and the tie rod connecting plate 19 in sequence, and both ends are fixed to the tie rod connecting plate 19 by the fastening nut 22. Reinforcing plates 6 are also connected to the left and right sides of the tie rod connecting plate 19.

[0033] refer to Figure 6 and Figure 9 In this embodiment, the two ends of the tie rod 21 are respectively provided with connecting threads. The two ends of the tie rod 21 are respectively fixed to the tension connecting plates 10 at the left and right ends by fastening nuts 22. The middle part of the tie rod 21 passes through the balance bracket 20 of the tension rod 21 to support the tie rod 21 and prevent the long rod from falling and deforming. A stiffening plate 6 is also provided on the tie connecting plate 19 to strengthen the structural strength and prevent the tie connecting plate 19 from being deformed under tension. The tensioning member 13 can enhance the tensile strength of the lower flange plate 9 of the steel beam 2 and can replace the lower flange plate 9 to bear the tensile force when the lower flange plate 9 of the steel beam 2 fails.

[0034] The connector 14 includes C-shaped steel 23, tie rod 24, connecting plate 10, and fastening bolts 25. The C-shaped steel 23 is fixed to the steel beam 2 by the connecting plate 10, and the tie rod 24 is fixed between two adjacent C-shaped steel 23 by the fastening bolts 25. The tie rod 24 consists of two fixing plates 26, two galvanized flat irons 27, and two fastening bolts 25. One end of the galvanized flat iron 27 has two circular slots, and the other end is connected to the fixing plate 26. The circular slot ends of the galvanized flat iron 27 are connected to form a whole by the fastening bolts 25. The fixing plate 26 is connected to the back of the C-shaped steel 23 by the fastening bolts 25.

[0035] refer to Figure 7 In this embodiment, C-shaped steel 23 is used for roof support and is fastened to the upper flange plate 8 of steel beam 2 by connecting plate 10 and bolts. Multiple C-shaped steel 23 are arranged at intervals on the left and right sides. Tie rods 24 are set between two adjacent C-shaped steel 23 to connect and fasten the C-shaped steel 23 into a whole, which can enhance the structural strength. The tie rod 24 consists of two parts, left and right, which are connected by round slots and bolts to facilitate adjustment of the connection and fastening position. The tie rod 24 is made of galvanized flat iron 27, which can replace the round tie rod 24. The structure is stable while saving materials and facilitating construction.

[0036] The upper bending of the steel beam in this invention increases the strength of the upper flange plate. The tensile force at the bend offsets or reduces the compressive force on the upper flange plate and web plate. Simultaneously, the connection of a tension member at the lower end of the steel beam enhances the tensile strength of the lower flange plate, allowing it to bear the tensile force in case of lower flange plate failure. Compared to traditional steel beam structures, this design saves steel while being more robust and stable. The bending at both ends of the steel column increases the structural strength of the upper and lower flange plates. Stiffening plates are welded at intervals between the bends to further improve the tensile, compressive, and torsional resistance of the steel column. To a certain extent, it can replace box-section steel or lattice steel columns, making it suitable for multi-story steel structure buildings and large-span steel structure factories. The tie rods and inter-column bracing provide effective support while saving steel materials. The use of flat iron as the main connecting material not only facilitates construction, saving time and materials, but also ensures structural strength, making it economical, practical, and structurally stable.

[0037] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A reinforced steel structure beam, column, and accessories, characterized in that: The system includes a set of vertically welded steel columns and a new type of load-bearing steel beam. The steel columns consist of a left flange plate, a web plate, a right flange plate, and a stiffening plate. The two ends of the web plate are vertically connected to the middle of the left and right flange plates. Both sides of the left and right flange plates are bent inwards and segmented. The stiffening plate is welded perpendicularly between the two bends of the flange plates. The steel beam consists of an upper flange plate, a web plate, and a lower flange plate. The two ends of the web plate are vertically connected to the middle of the upper and lower flange plates. Both sides of the upper flange plate are bent inwards. The bottom of the lower flange plate is also equipped with a tensioning member to increase the load and stability. Connecting plates are welded to the left and right ends of the steel beam and connected to the top connecting plate of the left or right flange plate of the steel column by bolts on the connecting plates. Inter-column bracing is also provided between the steel columns, and a connecting member is also provided at the top of the steel beam.

2. The reinforced steel structure beams, columns, and accessories according to claim 1, characterized in that: The inter-column support includes connecting steel plates, thickened flat irons, transition plates, and ribs. The connecting steel plates are welded in pairs to both ends of the left and right flange plates of the steel columns. At least four pairs of connecting steel plates are symmetrically connected between two adjacent steel columns. The two ends of the thickened flat irons are installed between the connecting steel plates by bolts, and the intersections are fastened by transition plates. Each parallel thickened flat iron is vertically connected with a rib.

3. The reinforced steel structure beams, columns, and accessories according to claim 1, characterized in that: The tensioning component includes a tie rod connecting plate, a tension rod balance bracket, a tie rod, a fastening nut, and a reinforcing plate. The tie rod connecting plates are fixed in pairs to the bottom of the lower flange plate of the steel beam. The tension rod balance bracket is fixed between the two tie rod connecting plates and is fixed to the steel beam. The tie rod passes through the tie rod connecting plate, the tension rod balance bracket, and the tie rod connecting plate in sequence, and both ends are fixed to the tie rod connecting plate by fastening nuts.

4. The reinforced steel structure beams, columns, and accessories according to claim 1, characterized in that: The connector includes C-shaped steel, tie rods, connecting plates, and fastening bolts. The C-shaped steel is fixed to the steel beam by the connecting plates, and the tie rods are fixed between two adjacent C-shaped steels by the fastening bolts.

5. The reinforced steel structure beams, columns, and accessories according to claim 4, characterized in that: The tie rod consists of two fixing plates, two galvanized flat irons, and two fastening bolts. One end of the galvanized flat iron has two round slots, and the other end is connected to the fixing plate. The round slot ends of the galvanized flat iron are connected to form a whole by fastening bolts. The fixing plate is connected to the back of the C-shaped steel by fastening bolts.

6. The reinforced steel structure beams, columns, and accessories according to claim 3, characterized in that: The left and right sides of the tie plate are also connected to reinforcing plates.

7. The reinforced steel structure beams, columns, and accessories according to claim 1, characterized in that: The top of the steel column is also equipped with a sealing plate.

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