Layered multi-directional bracket type bridge support steel column

Abstract

This utility model relates to the field of bridge technology, specifically to a layered multi-directional bracket-type bridge support steel column, comprising a column body, a first load-bearing structure, a second load-bearing structure, a base plate, and a frame plate. The first load-bearing structure includes two first brackets symmetrically fixed to the left and right sides of the top of the column body and a second bracket fixed to the front side of the top of the column body. The second load-bearing structure includes a third bracket fixed to the right side of the upper middle part of the column body, a fourth bracket fixed to the front side of the upper middle part of the column body, and a fifth bracket fixed to the rear side of the upper middle part of the column body. The column body has a box-shaped cross-section. This utility model's layered multi-directional bracket-type bridge support steel column, through the layered arrangement of the first and second load-bearing structures and the six multi-directional brackets forming a three-dimensional support network, achieves distributed bearing of bridge loads and multi-dimensional stress transmission, effectively avoiding stress concentration, and giving the column structure high load-bearing capacity, seismic stability, and spatial adaptability.

Description

Technical Field

[0001] This utility model relates to the field of bridge technology, specifically to a layered multi-directional bracket-type bridge support steel column. Background Technology

[0002] Traditional steel column load-bearing structures are simple and lack a multi-layered, multi-directional three-dimensional force transmission network, which leads to load concentration at local nodes, easily causing stress concentration and fatigue cracking risks, and poor seismic resistance. Summary of the Invention

[0003] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a layered multi-directional bracket-type bridge support steel column.

[0004] The objective of this utility model is achieved through the following technical solution: a layered multi-directional bracket-type bridge support steel column, comprising a column body, a first load-bearing structure fixed to the top of the column body, a second load-bearing structure fixed to the upper middle part of the column body, a base plate welded to the bottom of the column body, and a frame plate welded to the outer wall of the lower middle part of the column body. The first load-bearing structure includes two first brackets symmetrically fixed to the left and right sides of the top of the column body and a second bracket fixed to the front side of the top of the column body. The second load-bearing structure includes a third bracket fixed to the right side of the upper middle part of the column body, a fourth bracket fixed to the front side of the upper middle part of the column body, and a fifth bracket fixed to the rear side of the upper middle part of the column body. The column body has a box-shaped cross-section, and a plurality of first studs are uniformly welded to the inner wall of the column body. A plurality of second studs are uniformly welded to the outer wall of the lower middle part of the column body located between the base plate and the frame plate.

[0005] Furthermore, both of the first brackets include a first upper wing plate and a first lower wing plate that are horizontally and parallelly fixed to the outer wall of the top of the column, and a first support plate that is vertically fixed between the first upper wing plate and the first lower wing plate. The front side of the first support plate is provided with a plurality of first fixing holes.

[0006] Furthermore, the second bracket includes a first box-shaped steel beam that is horizontally fixed to the front side of the top of the column and a support base that is inclined downward and fixed to the bottom of the first box-shaped steel beam. The rear side of the support base is welded to the front side of the column. At least one first mounting plate is welded to the top and left and right sides of the outer wall of the first box-shaped steel beam. Each first mounting plate has multiple first mounting holes.

[0007] Furthermore, the third bracket includes a second upper wing plate and a second lower wing plate that are horizontally and parallelly welded to the upper right side of the column, and a second support plate that is vertically welded between the second upper wing plate and the second lower wing plate. The front side of the second support plate has a plurality of second fixing holes.

[0008] Furthermore, the fourth bracket includes a second box-shaped steel beam welded laterally to the front side of the upper part of the column and a second mounting plate welded vertically to the bottom of the second box-shaped steel beam. The second mounting plate has multiple second mounting holes opened laterally.

[0009] Furthermore, at least one third mounting plate is horizontally welded to both the left and right sides of the outer wall of the second box-shaped steel beam, and each third mounting plate has multiple third mounting holes vertically.

[0010] Furthermore, the fifth bracket includes a third box-shaped steel beam welded laterally to the rear side of the upper part of the column and stiffening ribs welded laterally to the left and right sides of the inner wall of the third box-shaped steel beam. At least two fourth mounting plates are vertically welded to the top and bottom of the outer wall of the third box-shaped steel beam, and each fourth mounting plate has multiple fourth mounting holes opened laterally.

[0011] Furthermore, at least one fifth mounting plate is vertically welded to both the left and right sides of the outer wall of the third box-shaped steel beam, and each fifth mounting plate has multiple fifth mounting holes opened horizontally.

[0012] Furthermore, multiple first anchoring holes are provided on both the left and right sides of the top of the base plate, and multiple second anchoring holes are uniformly provided on the top of the frame plate.

[0013] The beneficial effects of this utility model are as follows: The layered multi-directional bracket-type bridge support steel column of this utility model, through the layered arrangement of the first and second load-bearing structures and the formation of a three-dimensional support network by six multi-directional brackets, achieves the distributed bearing of bridge loads and multi-dimensional stress transmission, effectively avoiding stress concentration. The hollow structure and the uniformly arranged first studs on the inner wall allow concrete to be poured into the column, improving the column's load-bearing capacity. The uniformly distributed second studs on the outer wall of the bottom of the steel column ensure a tight bond between the bottom of the steel column and the concrete, strengthening the anchorage strength between the column bottom and the foundation, and reducing local compressive stress through layered force transmission. The overall structure combines high load-bearing capacity, seismic stability, and spatial adaptability. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present invention.

[0015] Figure 2 This is a front view of the present invention.

[0016] Figure 3 yes Figure 2 A cross-sectional view along the AA direction.

[0017] Figure 4 yes Figure 2 Cross-sectional view along the BB direction.

[0018] Figure 5 yes Figure 2A cross-sectional view along the CC direction.

[0019] Figure 6 yes Figure 2 A cross-sectional view along the DD direction.

[0020] Figure 7 yes Figure 3 A cross-sectional view along the EE direction.

[0021] The attached diagram is labeled as follows: Column 1, Base plate 11, Frame plate 12, First stud 13, Second stud 14, First anchor hole 15, Second anchor hole 16, First load-bearing structure 2, Second load-bearing structure 3, First bracket 4, First upper flange 41, First lower flange 42, First support plate 43, First fixing hole 44, Second bracket 5, First box-type steel beam 51, Support seat 52, First mounting plate 54, First mounting hole 55, Third bracket 6, Second upper flange 61, Second lower flange 62, Second support plate 63, Second fixing hole 64, Fourth bracket 7, Second box-type steel beam 71, Second mounting plate 72, Second mounting hole 73, Third mounting plate 74, Third mounting hole 75, Fifth bracket 8, Third box-type steel beam 81, Stiffening rib 82, Fourth mounting plate 83, Fourth mounting hole 84, Fifth mounting plate 85, Fifth mounting hole 86. Detailed Implementation

[0022] To facilitate understanding by those skilled in the art, the following description is provided in conjunction with embodiments and appendices. Figure 1-7 The present invention will be further described below. The content mentioned in the embodiments is not intended to limit the present invention.

[0023] See Figure 1-7 A layered multi-directional bracket-type bridge support steel column includes a column body 1, a first load-bearing structure 2 fixed to the top of the column body 1, a second load-bearing structure 3 fixed to the upper middle part of the column body 1, a base plate 11 welded to the bottom of the column body 1, and a frame plate 12 welded to the outer wall of the lower middle part of the column body 1. The first load-bearing structure 2 includes two first brackets 4 symmetrically fixed to the left and right sides of the top of the column body 1 and a second bracket 5 fixed to the front side of the top of the column body 1. The second load-bearing structure 3 includes a third bracket 6 fixed to the right side of the upper middle part of the column body 1, a fourth bracket 7 fixed to the front side of the upper middle part of the column body 1, and a fifth bracket 8 fixed to the rear side of the upper middle part of the column body 1. The column body 1 has a box-shaped cross-section. A plurality of first studs 13 are uniformly welded to the inner wall of the column body 1, and a plurality of second studs 14 are uniformly welded to the outer wall of the lower middle part of the column body 1 between the base plate 11 and the frame plate 12.

[0024] This utility model's layered multi-directional bracket-type bridge support steel column utilizes a layered first and second load-bearing structure 3, with six multi-directional brackets forming a three-dimensional support network. This achieves distributed load bearing and multi-dimensional stress transmission, effectively avoiding stress concentration. The hollow structure and the uniformly distributed first studs 13 on the inner wall allow for the filling of concrete into the column 1, improving its load-bearing capacity. The uniformly distributed second studs 14 on the outer wall of the column's bottom ensure a tight bond between the column's bottom and the concrete, strengthening the anchorage strength between the column's bottom and the foundation, and reducing local compressive stress through layered force transmission. The overall structure combines high load-bearing capacity, seismic stability, and spatial adaptability.

[0025] In this embodiment, each of the two first brackets 4 includes a first upper wing plate 41 and a first lower wing plate 42 that are horizontally and parallelly fixed to the outer wall of the top of the column 1, and a first support plate 43 that is vertically fixed between the first upper wing plate 41 and the first lower wing plate 42. Multiple first fixing holes 44 are horizontally opened on the front side of the first support plate 43. The first bracket 4 forms an I-shaped cross-section through the horizontal first upper wing plate 41, the first lower wing plate 42, and the vertical first support plate 43, significantly improving the bending stiffness and load-bearing capacity of the first bracket 4. The first brackets 4 are fixed to both the left and right sides of the top of the column 1, forming a bidirectional force transmission path, which can effectively distribute the load of the upper part of the bridge to the core of the column 1. The multiple rows of first fixing holes 44 on the front side of the first support plate 43 facilitate bolt connection with the bridge beams or auxiliary structures.

[0026] In this embodiment, the second bracket 5 includes a first box-shaped steel beam 51 horizontally fixed to the front side of the top of the column 1 and a support seat 52 inclined downwardly fixed to the bottom of the first box-shaped steel beam 51. The rear side of the support seat 52 is welded to the front side of the column 1. At least one first mounting plate 54 is welded to the top and left and right sides of the outer wall of the first box-shaped steel beam 51, and each first mounting plate 54 has multiple first mounting holes 55. The second bracket 5 significantly improves the bearing capacity of the bridge's forward load by utilizing the high bending and torsional resistance of the first box-shaped steel beam 51. The inclined support seat 52 forms an oblique force transmission path, transmitting the force to the column 1 and improving the joint strength. By welding the first mounting plates 54 in each direction to the first box-shaped steel beam 51 and opening the first mounting holes 55 on the first mounting plates 54, a universal interface for bolt connection with bridge deck components is provided, reducing the difficulty of on-site welding.

[0027] In this embodiment, the third bracket 6 includes a second upper wing plate 61 and a second lower wing plate 62 welded laterally and parallel to each other on the upper right side of the column 1, and a second support plate 63 welded vertically between the second upper wing plate 61 and the second lower wing plate 62. The front side of the second support plate 63 has multiple second fixing holes 64. The second bracket 5 structure forms an I-shaped cross-section through the horizontal second upper wing plate 61, the second lower wing plate 62, and the vertical second support plate 63, significantly improving the bending stiffness and load-bearing capacity of the bracket. The multiple rows of second fixing holes 64 on the front side of the second support plate 63 facilitate precise bolt connection with bridge beams or auxiliary structures.

[0028] In this embodiment, the fourth bracket 7 includes a second box-shaped steel beam 71 horizontally welded to the upper front side of the column 1 and a second mounting plate 72 vertically welded to the bottom of the second box-shaped steel beam 71. The second mounting plate 72 has multiple second mounting holes 73 horizontally. The fourth bracket 7, through the high bending and torsional resistance of the second box-shaped steel beam 71, significantly improves the load-bearing capacity for the bridge's rearward loads. The second mounting plate 72 and the second mounting holes 73 provide a universal interface for bolted connection with bridge deck components, reducing on-site assembly difficulty.

[0029] In this embodiment, at least one third mounting plate 74 is horizontally welded to both the left and right sides of the outer wall of the second box-shaped steel beam 71, and each third mounting plate 74 has multiple third mounting holes 75 vertically formed. By setting the third mounting plates 74 and the third mounting holes 75, a universal interface for bolting connection with bridge deck components can be provided, reducing the difficulty of on-site assembly.

[0030] In this embodiment, the fifth bracket 8 includes a third box-shaped steel beam 81 welded laterally to the upper rear side of the column 1, and stiffening ribs 82 welded laterally to the left and right sides of the inner wall of the third box-shaped steel beam 81. At least two fourth mounting plates 83 are vertically welded to the top and bottom of the outer wall of the third box-shaped steel beam 81, and each fourth mounting plate 83 has multiple fourth mounting holes 84 opened laterally. Through the lateral arrangement of the third box-shaped steel beam 81, the fifth bracket 8 strengthens the load-bearing capacity of the rear side of the column 1 against the longitudinal load of the bridge. Its box-shaped section has both high bending stiffness and torsional performance, effectively resisting the combined stress caused by vehicle dynamic loads. The stiffening ribs 82 welded laterally to the inner wall of the third box-shaped beam can improve the structural strength of the third box-shaped beam and ensure the stability of the section under large loads.

[0031] In this embodiment, at least one fifth mounting plate 85 is vertically welded to both the left and right sides of the outer wall of the third box girder 81, and each fifth mounting plate 85 has multiple fifth mounting holes 86 horizontally opened. By setting the fifth mounting plates 85 and the fifth mounting holes 86, a universal interface for bolt connection with bridge deck components can be provided, reducing the difficulty of on-site welding.

[0032] In this embodiment, multiple first anchoring holes 15 are provided on both the left and right sides of the top of the base plate 11, and multiple second anchoring holes 16 are uniformly provided on the top of the frame plate 12. By providing the first anchoring holes 15 and the second anchoring holes 16, the column 1 can be firmly fixed to the foundation with steel bars to prevent it from tilting.

[0033] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this utility model are within the protection scope of this utility model.

Claims

1. A layered multi-directional bracket type bridge support steel column comprising a column body, a first load bearing structure fixed to the top of the column body, a second load bearing structure fixed to the middle upper part of the column body, a bottom plate welded to the bottom of the column body, and a frame plate welded to the outer side wall of the middle lower part of the column body, characterized in that: The first load-bearing structure includes two first brackets symmetrically fixed to the left and right sides of the top of the column and a second bracket fixed to the front side of the top of the column. The second load-bearing structure includes a third bracket fixed to the right side of the upper middle part of the column, a fourth bracket fixed to the front side of the upper middle part of the column, and a fifth bracket fixed to the rear side of the upper middle part of the column. The column has a box-shaped cross-section, and a number of first studs are uniformly welded to the inner wall of the column. A number of second studs are uniformly welded to the outer wall of the lower middle part of the column between the bottom plate and the frame plate.

2. A layered multi-directional bracketed bridge support steel column according to claim 1, characterized in that: Both of the first brackets include a first upper wing plate and a first lower wing plate that are horizontally and parallelly fixed to the outer wall of the top of the column, and a first support plate that is vertically fixed between the first upper wing plate and the first lower wing plate. The front side of the first support plate has a plurality of first fixing holes.

3. The layered multi-directional cradle-style bridge support steel column according to claim 1, wherein: The second bracket includes a first box-shaped steel beam that is horizontally fixed to the front side of the top of the column and a support base that is inclined downward and fixed to the bottom of the first box-shaped steel beam. The rear side of the support base is welded to the front side of the column. At least one first mounting plate is welded to the top and left and right sides of the outer wall of the first box-shaped steel beam. Each first mounting plate has multiple first mounting holes.

4. The layered multi-directional cradle-style bridge support steel column according to claim 1, wherein: The third bracket includes a second upper wing plate and a second lower wing plate that are horizontally and parallelly welded to the upper right side of the column, and a second support plate that is vertically welded between the second upper wing plate and the second lower wing plate. The front side of the second support plate has a plurality of second fixing holes.

5. A layered multi-directional bracket-type bridge support steel column according to claim 1, characterized in that: The fourth bracket includes a second box-shaped steel beam welded laterally to the front side of the upper part of the column and a second mounting plate welded vertically to the bottom of the second box-shaped steel beam. The second mounting plate has multiple second mounting holes opened laterally.

6. A layered multi-directional bracket-type bridge support steel column according to claim 5, characterized in that: At least one third mounting plate is horizontally welded to both the left and right sides of the outer wall of the second box-shaped steel beam, and each third mounting plate has multiple third mounting holes vertically.

7. A layered multi-directional bracket-type bridge support steel column according to claim 1, characterized in that: The fifth bracket includes a third box-shaped steel beam welded laterally to the rear side of the upper part of the column and stiffening ribs welded laterally to the left and right sides of the inner wall of the third box-shaped steel beam. At least two fourth mounting plates are vertically welded to the top and bottom of the outer wall of the third box-shaped steel beam, and each fourth mounting plate has multiple fourth mounting holes opened laterally.

8. A layered multi-directional bracket-type bridge support steel column according to claim 7, characterized in that: At least one fifth mounting plate is vertically welded to both the left and right sides of the outer wall of the third box girder, and each fifth mounting plate has multiple fifth mounting holes opened horizontally.

9. A layered multi-directional bracket-type bridge support steel column according to claim 1, characterized in that: Multiple first anchoring holes are provided on both the left and right sides of the top of the base plate, and multiple second anchoring holes are provided evenly on the top of the frame plate.

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