Steel structure bridge side column reinforcing device

Abstract

The utility model relates to the technical field of steel structure bridges, and discloses a steel structure bridge side column reinforcing device which comprises a unit side column structure, the unit side column structure comprises an installation side plate, an extension beam is fixedly installed on the surface of the installation side plate, and a position-adjustable installation bottom plate is installed on the upper side of the extension beam. A side column body and an inclined supporting plate are fixedly installed on the upper surface of the installation bottom plate, the top end of the inclined supporting plate is fixedly connected with the side face of the side column body, the inclined supporting plate is obliquely arranged, and the inclined supporting plate, the side column body and the installation bottom plate form a right triangle structure. According to the reinforcing device, the extension beam is installed on the side face of the bridge floor steel beam, the adjustable installation bottom plate is arranged on the upper side of the extension beam, and the inclined supporting plate is additionally arranged on the installation bottom plate for the side column body, so that the effect of reinforcing the side column is achieved, and due to the fact that the telescopic length of the installation bottom plate extending towards the bridge floor is adjustable, the arrangement position of the side column body is adjustable; and convenience is provided for passing of vehicles exceeding the width limit in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure bridges, and particularly relates to a reinforcing device for side columns of a steel structure bridge. Background Technique

[0002] The side columns of a steel structure bridge are arranged on both sides of the bridge deck to ensure the safety of pedestrians and vehicles. For example, in the prior art with the publication number of CN115821739A, a reinforcing device for a steel structure bridge guardrail is disclosed, which includes a first reinforcing rod, a second reinforcing rod and a support rod. There are two rows of support rods, and the two rows of support rods are respectively located on both sides of the bridge. The lower ends of multiple support rods in one row of support rods are connected to the same connecting rod, and the connecting rod is fixedly installed on the capping beam. The number of the first reinforcing rod and the second reinforcing rod corresponds to that of the support rod one by one. The first reinforcing rod is installed on the support rod and is inclined downward. The upper end of the first reinforcing rod is fixedly connected to the support rod. The second reinforcing rod is installed on the connecting sleeve. When the guardrail is inserted into the connecting sleeve and abuts against the bridge deck of the bridge girder, the second reinforcing rod is in an inclined downward state, and the lower end of the second reinforcing rod abuts against the lower end of the first reinforcing rod. The guardrail of this application only has a contact relationship with the bridge girder, so the bridge girder will not be damaged due to the replacement of the guardrail.

[0003] When the side columns of a steel structure bridge are installed on the bridge, they are fixed by welding or bolts. The outside of the side columns is a suspended area, and it is inconvenient to add diagonal supports to the side columns. It is only fixed by the connection between the bottom of the side columns and the bridge deck, and the firmness is insufficient and needs further improvement. Content of the Utility Model

[0004] The purpose of the utility model is to provide a reinforcing device for side columns of a steel structure bridge to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a reinforcing device for side columns of a steel structure bridge, including a unit side column structure. The unit side column structure includes a mounting side plate. An extension beam is fixedly installed on the surface of the mounting side plate. An adjustable mounting bottom plate is installed on the upper side of the extension beam. A side column body and a diagonal support plate are respectively fixedly installed on the upper surface of the mounting bottom plate. The top end of the diagonal support plate is fixedly connected to the side surface of the side column body. The diagonal support plate is inclined and forms a right triangle structure with the side column body and the mounting bottom plate.

[0006] The mounting side plate is fixedly connected to the side surface of the bridge deck steel beam. The mounting bottom plate slides along the upper surface of the extension beam, so that the end of the mounting bottom plate can extend into the upper side of the bridge deck steel beam. A diagonal support plate is added to the side column body on the mounting bottom plate to achieve the effect of reinforcing the side column.

[0007] In some embodiments, a sliding groove is formed in the lower surface of the mounting base plate. A transmission block is slidably mounted in the sliding groove, and a threaded lead screw is rotatably mounted in the sliding groove. The threaded lead screw is threadedly connected to the transmission block. The lower surface of the mounting base plate is slidably connected to the upper surface of the extension beam, and the transmission block is assembled with the extension beam. A storage hole is formed at the end of the mounting base plate. A wrench docking sleeve is rotatably mounted in the storage hole. The wrench docking sleeve is coaxially and fixedly connected to the threaded lead screw. A rubber plug is tightly fitted at the opening of the storage hole. By rotating the threaded lead screw, the mounting base plate can be driven to translate, and the length of the mounting base plate extending towards the bridge deck is adjustable, so that the installation position of the side column body is adjustable.

[0008] In some embodiments, an installation groove is formed in the upper surface of the extension beam. A guide rod is fixedly mounted in the installation groove. An assembly base block is slidably mounted on the surface of the guide rod. A support spring is sleeved on the surface of the guide rod. The support spring abuts against the side surface of the assembly base block. The transmission block is fixedly connected to the upper surface of the assembly base block to realize the assembly of the two.

[0009] An adjusting plate is slidably mounted on the surface of the guide rod. The support spring is arranged between the adjusting plate and the assembly base block. An adjusting bolt is threadedly mounted at the end of the extension beam. The end of the adjusting bolt is rotatably connected to the adjusting plate. By rotating the adjusting bolt, the elastic force of the support spring on the assembly base block can be adjusted.

[0010] In some embodiments, a plurality of protective crossbars are fixedly mounted on both sides of the side column body. Connecting end plates are fixedly mounted at the ends of the plurality of protective crossbars. A lamp shade is fixedly mounted at the top of the side column body to increase the protection influence range of the unit side column structure.

[0011] In some embodiments, a plurality of the unit side column structures are arranged in a linear array and fixedly mounted on the side surface of the bridge deck steel beam, and each protective crossbar forms a row of guardrails.

[0012] Beneficial effects

[0013] The utility model provides a side column reinforcement device for a steel structure bridge, which has the following beneficial effects:

[0014] 1. For the side column reinforcement device of the steel structure bridge, by installing an extension beam on the side surface of the bridge deck steel beam, an adjustable mounting base plate is arranged on the upper side of the extension beam, and an inclined support plate is added for the side column body on the mounting base plate, so as to achieve the effect of reinforcing the side column. Since the telescopic length of the mounting base plate extending towards the bridge deck is adjustable, the installation position of the side column body is adjustable, which provides convenience for the passage of over-width vehicles in the later stage and avoids the trouble of removing and reinstalling the side column in the later stage.

[0015] 2. The side column reinforcement device for the steel structure bridge is provided with an assembly base block in the extension beam, and the assembly base block can compress the support spring. When the side column body on its upper side is impacted by an accident vehicle, the assembly base block slides in the extension beam, and the compressed support spring can absorb part of the impact force, achieving the function of anti-collision buffering and making the use safer and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2 is a side sectional structural schematic diagram of the present utility model;

[0018] Figure 3 is Figure 2 an enlarged structural schematic diagram at A in

[0019] Figure 4 a front view structural schematic diagram of the unit side column structure.

[0020] In the figure: 1 installation side plate, 2 extension beam, 3 installation bottom plate, 4 side column body, 5 inclined support plate, 6 bridge deck steel beam, 7 transmission block, 8 threaded lead screw, 9 assembly base block, 10 support spring, 11 adjustment plate, 12 adjustment bolt, 13 storage hole, 14 wrench docking sleeve, 15 protective cross bar, 16 connection end plate, 17 lamp shade, 18 guide rod, 19 rubber plug. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4 , the present utility model provides a technical solution: a side column reinforcement device for a steel structure bridge, including a unit side column structure. The unit side column structure includes an installation side plate 1, and an extension beam 2 is fixedly installed on the surface of the installation side plate 1. An installation bottom plate 3 with adjustable position is installed on the upper side of the extension beam 2. A side column body 4 and an inclined support plate 5 are fixedly installed on the upper surface of the installation bottom plate 3 respectively. The top end of the inclined support plate 5 is fixedly connected to the side surface of the side column body 4. The inclined support plate 5 is inclined and forms a right triangle structure with the side column body 4 and the installation bottom plate 3.

[0023] A plurality of protective cross bars 15 are fixedly installed on both sides of the side column body 4, connection end plates 16 are fixedly installed at the ends of the plurality of protective cross bars 15, and a lamp shade 17 is fixedly installed at the top end of the side column body 4.

[0024] Specifically, a sliding groove is formed on the lower surface of the mounting base plate 3. A transmission block 7 is slidably mounted in the sliding groove, and a threaded lead screw 8 is rotatably mounted in the sliding groove. The threaded lead screw 8 is in threaded connection with the transmission block 7. The lower surface of the mounting base plate 3 is slidably connected to the upper surface of the extension beam 2, and the transmission block 7 is assembled with the extension beam 2.

[0025] A storage hole 13 is formed at the end of the mounting base plate 3. A wrench docking sleeve 14 is rotatably mounted in the storage hole 13. The wrench docking sleeve 14 is coaxially and fixedly connected to the threaded lead screw 8. A rubber plug 19 is tightly fitted at the opening of the storage hole 13. The inner hole of the wrench docking sleeve 14 is hexagonal. By inserting a hexagonal wrench into the wrench docking sleeve 14, the threaded lead screw 8 can be rotated, thereby driving the mounting base plate 3 to slide left and right to control the position of the side column body 4 standing on the bridge deck.

[0026] An installation groove is formed on the upper surface of the extension beam 2. A guide rod 18 is fixedly mounted in the installation groove. An assembly base block 9 is slidably mounted on the surface of the guide rod 18. A support spring 10 is sleeved on the surface of the guide rod 18. The support spring 10 abuts against the side surface of the assembly base block 9. The transmission block 7 is fixedly connected to the upper surface of the assembly base block 9 to achieve the assembly of the two. When the side column body 4 is impacted, the impact force will be transmitted to the support spring 10.

[0027] An adjusting plate 11 is slidably mounted on the surface of the guide rod 18. The support spring 10 is arranged between the adjusting plate 11 and the assembly base block 9. An adjusting bolt 12 is threadedly mounted at the end of the extension beam 2. The end of the adjusting bolt 12 is rotatably connected to the adjusting plate 11. By rotating the adjusting bolt 12, the elastic force of the support spring 10 on the assembly base block 9 can be adjusted.

[0028] By arranging the assembly base block 9 in the extension beam 2, and the assembly base block 9 can slide to compress the support spring 10. When the upper side column body 4 is impacted by an accident vehicle, the assembly base block 9 slides in the extension beam 2, and compressing the support spring 10 can absorb part of the impact force, achieving the function of anti-collision buffering, and making it safer and more convenient to use.

[0029] In this embodiment, multiple unit side column structures are arranged in a linear array and fixedly mounted on the side of the bridge deck steel beam 6. Each protective cross bar 15 forms a row of guardrails. As Figure 1 shown, the mounting side plate 1 is fixedly connected to the side of the bridge deck steel beam 6 by bolts or welding. The mounting base plate 3 slides along the upper surface of the extension beam 2, so that the end of the mounting base plate 3 can extend into the upper side of the bridge deck steel beam 6.

[0030] The side column reinforcement device for the steel structure bridge achieves the function of reinforcing the side column by installing an extension beam 2 on the side of the bridge deck steel beam 6, arranging an adjustable mounting base plate 3 on the upper side of the extension beam 2, and adding an inclined support plate 5 for the side column body 4 on the mounting base plate 3. Since the length of the mounting base plate 3 extending towards the bridge deck is adjustable, the setting position of the side column body 4 can be adjusted, which provides convenience for the passage of over-width vehicles in the later stage and avoids the trouble of demolishing and reinstalling the side column in the later stage.

[0031] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel structure bridge side column reinforcement device, comprising a unit side column structure, characterized in that: The unit side column structure comprises a mounting side plate (1), an extension beam (2) is fixedly mounted on the surface of the mounting side plate (1), a position-adjustable mounting base plate (3) is mounted on the upper side of the extension beam (2), a side column body (4) and an inclined support plate (5) are respectively fixedly mounted on the upper surface of the mounting base plate (3), the top end of the inclined support plate (5) is fixedly connected to the side surface of the side column body (4), the inclined support plate (5) is arranged obliquely, and forms a right-angled triangle structure with the side column body (4) and the mounting base plate (3); The mounting side plate (1) is fixedly connected to the side of the bridge deck steel beam (6), and the mounting bottom plate (3) slides along the upper surface of the extension beam (2) so that the end of the mounting bottom plate (3) can extend into the upper side of the bridge deck steel beam (6).

2. A steel structure bridge side column reinforcement device according to claim 1, characterized in that: A sliding groove is provided on the lower surface of the installation base plate (3), a transmission block (7) is slidably installed in the sliding groove, a threaded screw (8) is rotatably installed in the sliding groove, and the threaded screw (8) is threadedly connected to the transmission block (7).

3. A steel structure bridge side column reinforcement device according to claim 2, characterized in that: The lower surface of the mounting base plate (3) is slidably connected to the upper surface of the extension beam (2), and the transmission block (7) is assembled with the extension beam (2).

4. A steel structure bridge side column reinforcement device according to claim 3, characterized in that: The upper surface of the extension beam (2) is provided with an installation groove, in which a guide rod (18) is fixedly installed, an assembly base block (9) is slidably installed on the surface of the guide rod (18), a support spring (10) is sleeved on the surface of the guide rod (18), and the support spring (10) is pressed against the side surface of the assembly base block (9), and the transmission block (7) is fixedly connected to the upper surface of the assembly base block (9) to realize the assembly of the two.

5. A steel structure bridge side column reinforcement device according to claim 4, characterized in that: An adjusting plate (11) is slidably mounted on the surface of the guide rod (18), a supporting spring (10) is arranged between the adjusting plate (11) and the assembly base block (9), an adjusting bolt (12) is threadedly mounted on the end of the extension beam (2), and the end of the adjusting bolt (12) is rotatably connected to the adjusting plate (11).

6. A steel structure bridge side column reinforcement device according to claim 5, characterized in that: A receiving hole (13) is provided at the end of the mounting base plate (3), a wrench docking sleeve (14) is rotatably mounted in the receiving hole (13), the wrench docking sleeve (14) is coaxially fixedly connected to the threaded screw (8), and a rubber plug (19) is tightly mounted at the mouth of the receiving hole (13).

7. A steel structure bridge side column reinforcement device according to any one of claims 1 to 6, characterized in that: A plurality of protective cross bars (15) are fixedly mounted on both sides of the side column body (4), connecting end plates (16) are fixedly mounted on the ends of the plurality of protective cross bars (15), and a lampshade (17) is fixedly mounted on the top end of the side column body (4).

8. The device for reinforcing the side columns of a steel structure bridge according to claim 7, characterized in that: A plurality of the unit side column structures are arranged in a linear array and fixedly mounted on the side of the bridge deck steel beam (6), and each protective cross bar (15) forms a row of protective railings.

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