TMD damper mounting structure of steel box girder foot bridge

By designing an installation structure including steel box girder assembly, bridge deck assembly and damper assembly, the problem of installation difficulties of existing TMD dampers is solved, and convenient installation and efficient vibration absorption are achieved.

CN223033818UActive Publication Date: 2025-06-27HUNAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD
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Patent Information

Application Number
CN202421603213.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-06-27
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The installation of TMD dampers in existing steel box girder footbridges is difficult and is not convenient to install.

Method used

An installation structure including a steel box girder assembly, a bridge deck assembly and a damper assembly is designed. Through the design of the rail strip and the introduction end, the installation and positioning of the damper assembly is facilitated, and the rollers and limiting blocks are used to achieve convenient sliding and positioning of the damper assembly.

Benefits of technology

It realizes convenient installation of TMD dampers, improves installation efficiency and accuracy, enhances the vibration absorption capacity of the bridge, and improves service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a TMD damper mounting structure of a steel box girder foot bridge, and belongs to the technical field of TMD damper mounting structures. The TMD damper mounting structure of the steel box girder foot bridge comprises a steel box girder assembly, the steel box girder assembly comprises a steel box girder body, a bridge deck assembly is arranged at the top end of the steel box girder body, four damper assemblies are arranged in the steel box girder body, three reinforcing strips are arranged at the bottom of the inner side of the steel box girder body, and the steel box girder body is provided with a steel box girder. The damper assembly comprises a damper body, hanging rings are fixedly installed at the two ends of the top of the damper body, two track grooves are formed in the bottom of the damper body, guide-in grooves are formed in one ends of the track grooves, and guide-out ends are formed in the other ends of the guide-in grooves. By means of the damping device, a damper assembly can be conveniently and rapidly installed, and the damping device has high practical value.
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Description

Technical Field

[0001] The utility model relates to the technical field of TMD damper installation structures, and particularly to a TMD damper installation structure for a steel box girder pedestrian bridge. Background Art

[0002] The TMD damper in a steel box girder pedestrian bridge, namely a Tuned Mass Damper, is an engineering device specifically designed to mitigate and control bridge vibrations. In structures such as steel box girder pedestrian bridges, vibrations of the bridge structure may be caused by pedestrian movement, wind loads, or other external factors. Especially in long-span designs, such vibrations may be more obvious, affecting the comfort and safety of the bridge.

[0003] Based on the above, the inventor found the following problems: Currently, TMD dampers are generally fixedly installed inside steel box girder pedestrian bridges to absorb vibrations. Due to the large weight of the TMD dampers and the need to install them inside the steel box girders, there are problems of difficult and inconvenient installation.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a TMD damper installation structure for a steel box girder pedestrian bridge is provided, with the expectation of achieving a more practical value. Summary of the Utility Model

[0005] In order to solve the above technical problems, an embodiment of the utility model provides a TMD damper installation structure for a steel box girder pedestrian bridge, which is specifically realized through the following technical solutions:

[0006] A TMD damper installation structure for a steel box girder pedestrian bridge includes a steel box girder assembly. The steel box girder assembly includes a steel box girder body. A bridge deck assembly is provided at the top of the steel box girder body. Four damper assemblies are provided inside the steel box girder body. Three reinforcing bars are provided at the bottom inside the steel box girder body. Two track bars are provided between two of the reinforcing bars. The top ends of both ends of the track bar are provided with inlet ends, and the inlet ends are in an arc-shaped structure. The damper assembly includes a damper body. Suspension rings are fixedly installed at both ends of the top of the damper body. Two track grooves are provided at the bottom of the damper body. An inlet groove is provided at one end of the track groove. A roller is rotatably connected to the top inside the track groove.

[0007] The beneficial effects of adopting the above further scheme are as follows: through the setting of the bridge deck component, it is convenient for pedestrians to walk; through the setting of the damper component, it is convenient to absorb the vibrations generated by pedestrians walking, wind loads or other external factors; through the three reinforcing bars provided at the inner bottom of the steel box girder body, it is convenient to improve the overall strength of the steel box girder body; through the guiding ends provided at the tops of both ends of the track bar, and the guiding ends being in an arc-shaped structure, it is convenient to sleeved the track groove outside the track bar and install the damper component at the designated position; through the lifting rings fixedly installed at both ends of the top of the damper body, it is convenient to use a hoisting mechanism to hoist the device at both ends of the steel box girder component for convenient installation; through the guiding groove provided at one end of the track groove, it is convenient for the guiding groove to cooperate with the guiding end to more conveniently sleeve the track groove outside the track bar; through the rollers rotatably connected to the inner top of the track groove, it is convenient for the damper component to slide along the track bar, so as to conveniently slide to the designated position for convenient installation.

[0008] Further, a limiting card slot is provided between the two guiding grooves, and limiting blocks are provided at both ends between the two track bars, and the limiting blocks are engaged with the limiting card slot.

[0009] The beneficial effects of adopting the above further scheme are as follows: through the engagement connection between the limiting block and the limiting card slot, it is convenient to position the damper component sliding along the track bar to the designated position.

[0010] Further, fixing holes are provided at both ends of the track bar, bolt holes are respectively provided on both sides of the bottom of the damper body, fixing bolts are threadedly connected inside the bolt holes, and the fixing bolts pass through the fixing holes.

[0011] The beneficial effects of adopting the above further scheme are as follows: through the fixing bolts being threadedly connected inside the bolt holes and passing through the fixing holes, it is convenient to fixedly install the damper component at the designated position, enabling the damper component to play a role in absorbing the vibrations of the bridge.

[0012] Further, a reinforcing beam is fixedly installed at the inner top of the steel box girder body.

[0013] The beneficial effects of adopting the above further scheme are as follows: through the reinforcing beam being fixedly installed at the inner top of the steel box girder body, it is convenient to further improve the strength of the steel box girder body, thereby increasing the service life.

[0014] Further, decorative board grooves are respectively provided on both sides of the steel box girder body, and armrest mounting blocks are respectively fixedly installed on both sides of the top of the steel box girder body.

[0015] The beneficial effects of adopting the above further scheme are as follows: through the decorative board grooves being respectively provided on both sides of the steel box girder body and the armrest mounting blocks being respectively fixedly installed on both sides of the top of the steel box girder body, it is convenient to install the decorative board and the armrest.

[0016] Furthermore, the bridge deck assembly includes a decorative panel, a railing, and a paved road surface, and the paved road surface is fixedly installed on the top of the steel box girder body.

[0017] The beneficial effect of adopting the above further solution is that by fixedly installing the paved road surface on the top of the steel box girder body, and the paved road surface is composed of an epoxy resin colored ceramsite mixture, a colored resin asphalt layer, and a waterproof bonding layer, it is convenient to provide a comfortable walking experience for pedestrians.

[0018] Furthermore, insertion blocks are fixedly installed at the bottom of the decorative panel, and the insertion blocks are snap-fitted with the decorative panel grooves.

[0019] The beneficial effect of adopting the above further solution is that by snap-fitting the insertion blocks with the decorative panel grooves, it is convenient to fixedly install the decorative panel on both sides of the top of the steel box girder assembly, playing a decorative role.

[0020] Furthermore, the bottom of the railing is fixedly connected to the handrail mounting block, and a handrail is fixedly installed at the top of the railing.

[0021] The beneficial effect of adopting the above further solution is that by fixedly connecting the bottom of the railing to the handrail mounting block and fixedly installing a handrail at the top of the railing, it is convenient to fixedly install the handrail on the top of the steel box girder assembly, playing a role in safety protection.

[0022] The beneficial effect of the present utility model is: A TMD damper installation structure of a steel box girder pedestrian bridge obtained by the above design of the present utility model. For this TMD damper installation structure of the steel box girder pedestrian bridge, through the setting of the bridge deck assembly, it is convenient for pedestrians to walk. Through the setting of the damper assembly, it is convenient to absorb vibrations generated by pedestrian movement, wind load, or other external factors. By providing three reinforcing bars at the inner bottom of the steel box girder body, it is convenient to improve the overall strength of the steel box girder body. By providing an inlet end at the top of both ends of the track bar, and the inlet end is in an arc-shaped structure, it is convenient to sleeved the track groove outside the track bar, facilitating the installation of the damper assembly to the designated position. By fixedly installing lifting rings at both ends of the top of the damper body, it is convenient to use a hoisting mechanism to hoist the device at both ends of the steel box girder assembly, facilitating installation. By providing an inlet groove at one end of the track groove, it is convenient for the inlet groove to cooperate with the inlet end to more conveniently sleeve the track groove outside the track bar. By rotatably connecting rollers at the inner top of the track groove, it is convenient for the damper assembly to slide along the track bar, and thus can conveniently slide to the designated position, facilitating installation. This utility model can conveniently install the damper assembly and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0024] Figure 1 Schematic three-dimensional structure diagram of the installation structure of the TMD damper for a steel box girder pedestrian bridge provided by the present utility model;

[0025] Figure 2 Exploded view of the installation structure of the TMD damper for a steel box girder pedestrian bridge provided by the present utility model;

[0026] Figure 3 Side view of the installation structure of the TMD damper for a steel box girder pedestrian bridge provided by the present utility model;

[0027] Figure 4 Schematic diagram of the installation structure of the damper assembly provided by the present utility model;

[0028] Figure 5 Schematic three-dimensional structure diagram of the damper assembly provided by the present utility model.

[0029] In the figure: 101, steel box girder assembly; 10101, steel box girder body; 10102, reinforcing strip; 10103, track strip; 10104, inlet end; 10105, reinforcing beam; 10106, decorative plate groove; 10107, handrail mounting block; 10108, limit block; 10109, fixing hole; 102, damper assembly; 10201, damper body; 10202, lifting ring; 10203, track groove; 10204, roller; 10205, inlet groove; 10206, limit card slot; 10207, bolt hole; 10208, fixing bolt; 103, bridge deck assembly; 10301, decorative plate; 10302, paving surface; 10303, railing; 10304, handrail; 10305, insertion block. Specific embodiments

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0032] Embodiment 1 of the installation structure of the TMD damper for a steel box girder pedestrian bridge of the present invention

[0033] The present invention provides the following technical solutions: As Figures 1 - 5 shown, an installation structure of a TMD damper for a steel box girder pedestrian bridge includes a steel box girder assembly 101. The steel box girder assembly 101 includes a steel box girder body 10101. A bridge deck assembly 103 is provided at the top of the steel box girder body 10101. Through the setting of the bridge deck assembly 103, it is convenient for pedestrians to walk. Four damper assemblies 102 are provided inside the steel box girder body 10101. Through the setting of the damper assemblies 102, it is convenient to absorb vibrations generated by pedestrians walking, wind loads or other external factors. Three reinforcing bars 10102 are provided at the inner bottom of the steel box girder body 10101. By providing three reinforcing bars 10102 at the inner bottom of the steel box girder body 10101, it is convenient to improve the overall strength of the steel box girder body 10101. Two track bars 10103 are provided between two of the reinforcing bars 10102. Import ends 10104 are opened at the top of both ends of the track bar 10103. The import ends 10104 are in an arc-shaped structure. By opening the import ends 10104 at the top of both ends of the track bar 10103 and the import ends 10104 being in an arc-shaped structure, it is convenient to sleeved the track groove 10203 outside the track bar 10103 and facilitate the installation of the damper assembly 102 to the designated position. The damper assembly 102 includes a damper body 10201. Hoisting rings 10202 are fixedly installed at both ends of the top of the damper body 10201. By fixedly installing the hoisting rings 10202 at both ends of the top of the damper body 10201, it is convenient to use a hoisting mechanism to hoist the device at both ends of the steel box girder assembly 101 for convenient installation. Two track grooves 10203 are opened at the bottom of the damper body 10201. An import groove 10205 is opened at one end of the track groove 10203. By opening the import groove 10205 at one end of the track groove 10203, it is convenient for the import groove 10205 to cooperate with the import end 10104 to more conveniently sleeve the track groove 10203 outside the track bar 10103. A roller 10204 is rotatably connected to the inner top of the track groove 10203. By rotatably connecting the roller 10204 to the inner top of the track groove 10203, it is convenient for the damper assembly 102 to slide along the track bar 10103, so as to conveniently slide to the designated position for convenient installation.

[0034] Embodiment 2 of the installation structure of the TMD damper for a steel box girder pedestrian bridge of the present utility model

[0035] Referring to Figures 1 - 5 As shown, a limit card slot 10206 is provided between two guiding slots 10205. Limit blocks 10108 are provided at both ends between two track bars 10103. The limit blocks 10108 are engaged with the limit card slot 10206. By engaging the limit blocks 10108 with the limit card slot 10206, it is convenient to position the damper assembly 102 sliding along the track bar 10103 to a specified position. Fixing holes 10109 are provided at both ends of the track bar 10103. Boltholes 10207 are respectively provided on both sides of the bottom of the damper body 10201. A fixing bolt 10208 is threadedly connected inside the bolthole 10207. The fixing bolt 10208 passes through the fixing hole 10109. By threadedly connecting the fixing bolt 10208 inside the bolthole 10207 and the fixing bolt 10208 passing through the fixing hole 10109, it is convenient to fixedly install the damper assembly 102 at a specified position, enabling the damper assembly 102 to play a role in absorbing the vibration of the bridge. A strengthening beam 10105 is fixedly installed at the inner top end of the steel box girder body 10101. By fixedly installing the strengthening beam 10105 at the inner top end of the steel box girder body 10101, it is convenient to further improve the strength of the steel box girder body 10101, thereby extending the service life.

[0036] Embodiment 3 of the installation structure of the TMD damper for a steel box girder pedestrian bridge of the present utility model

[0037] Referring to Figures 1 - 3As shown in the figure, decorative plate grooves 10106 are respectively formed on both sides of the steel box girder body 10101, and armrest mounting blocks 10107 are respectively fixedly installed on both sides of the top of the steel box girder body 10101. By providing decorative plate grooves 10106 on both sides of the steel box girder body 10101 and fixedly installing armrest mounting blocks 10107 on both sides of the top of the steel box girder body 10101, it is convenient to install the decorative plate 10301 and the armrest 10304. The bridge deck assembly 103 includes a decorative plate 10301, a railing 10303 and a paving surface 10302. The paving surface 10302 is fixedly installed on the top of the steel box girder body 10101. By fixedly installing the paving surface 10302 on the top of the steel box girder body 10101, the paving surface 10302 is composed of an epoxy resin colored ceramsite mixture, a colored resin asphalt layer and a waterproof bonding layer, which is convenient to provide a comfortable walking experience for pedestrians. The bottom of the decorative plate 10301 is fixedly installed with a plug 10305, and the plug 10305 is snap-connected with the decorative plate groove 10106. By snap-connecting the plug 10305 with the decorative plate groove 10106, it is convenient to fixedly install the decorative plate 10301 on both sides of the top of the steel box girder assembly 101 to achieve a decorative effect. The bottom of the railing 10303 is fixedly connected with the armrest mounting block 10107, and the armrest 10304 is fixedly installed on the top of the railing 10303. By fixedly connecting the bottom of the railing 10303 with the armrest mounting block 10107 and fixedly installing the armrest 10304 on the top of the railing 10303, it is convenient to fixedly install the armrest 10304 on the top of the steel box girder assembly 101 to play a role in safety protection.

[0038] Specifically, the working principle of the TMD damper installation structure of this steel box girder pedestrian bridge is as follows: When in use, a strengthening beam 10105 is fixedly installed at the inner top end of the steel box girder body 10101, which is convenient for further improving the strength of the steel box girder body 10101, thereby increasing the service life. There are three strengthening strips 10102 at the inner bottom of the steel box girder body 10101, which is convenient for improving the overall strength of the steel box girder body 10101. At both ends of the top of the track strip 10103, an introduction end 10104 is provided, and the introduction end 10104 has an arc-shaped structure, which is convenient for sleeving the track groove 10203 outside the track strip 10103, and facilitating the installation of the damper assembly 102 to the designated position. At both ends of the top of the damper body 10201, lifting rings 10202 are fixedly installed, which is convenient for using a hoisting mechanism to suspend the device at both ends of the steel box girder assembly 101, facilitating installation. At one end of the track groove 10203, an introduction groove 10205 is provided, which is convenient for the introduction groove 10205 to cooperate with the introduction end 10104 to more conveniently sleeve the track groove 10203 outside the track strip 10103. A roller 10204 is rotatably connected to the inner top of the track groove 10203, which is convenient for the damper assembly 102 to slide along the track strip 10103, so as to conveniently slide to the designated position for installation. The limit block 10108 is snap-connected with the limit card slot 10206, which is convenient for positioning the damper assembly 102 sliding along the track strip 10103 to the designated position. A fixing bolt 10208 is threadedly connected inside the bolt hole 10207, and the fixing bolt 10208 passes through the fixing hole 10109, which is convenient for fixedly installing the damper assembly 102 at the designated position, enabling the damper assembly 102 to play a role in absorbing the vibration of the bridge. The paving surface 10302 is fixedly installed on the top of the steel box girder body 10101, and the paving surface 10302 is composed of an epoxy resin colored ceramsite mixture, a colored resin asphalt layer, and a waterproof bonding layer, which is convenient for providing a comfortable walking experience for pedestrians. The insert block 10305 is snap-connected with the decorative board groove 10106, which is convenient for fixedly installing the decorative board 10301 on both sides of the top of the steel box girder assembly 101 to achieve a decorative effect. The bottom of the railing 10303 is fixedly connected to the handrail installation block 10107, and the top of the railing 10303 is fixedly installed with a handrail 10304, which is convenient for fixedly installing the handrail 10304 on the top of the steel box girder assembly 101 to play a role in safety protection.

[0039] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A TMD damper installation structure for a steel box girder pedestrian bridge, characterized in that: The invention comprises a steel box girder assembly (101), wherein the steel box girder assembly (101) comprises a steel box girder body (10101), a bridge deck assembly (103) is arranged at the top of the steel box girder body (10101), four damper assemblies (102) are arranged inside the steel box girder body (10101), three reinforcing strips (10102) are arranged at the bottom of the inner side of the steel box girder body (10101), two track strips (10103) are arranged between two of the reinforcing strips (10102), and two ends of the track strips (10103) are provided at the top. The introduction end (10104) is in an arc-shaped structure. The damper assembly (102) includes a damper body (10201). The two ends of the top of the damper body (10201) are respectively fixedly installed with hanging rings (10202). The bottom of the damper body (10201) is provided with two track grooves (10203). One end of the track groove (10203) is provided with an introduction groove (10205). The top of the inner side of the track groove (10203) is rotatably connected with a roller (10204).

2. The TMD damper installation structure of a steel box girder footbridge according to claim 1, characterized in that: A limit slot (10206) is provided between the two introduction slots (10205), and limit blocks (10108) are provided at both ends between the two track bars (10103), and the limit blocks (10108) are engaged and connected with the limit slot (10206).

3. The TMD damper installation structure of a steel box girder footbridge according to claim 2, characterized in that: The two ends of the track bar (10103) are respectively provided with fixing holes (10109), and the two sides of the bottom of the damper body (10201) are respectively provided with bolt holes (10207), and the bolt holes (10207) are internally threadedly connected with fixing bolts (10208), and the fixing bolts (10208) pass through the fixing holes (10109).

4. The TMD damper installation structure of a steel box girder footbridge according to claim 1, characterized in that: A reinforcing beam (10105) is fixedly installed at the top end of the inner side of the steel box beam body (10101).

5. The TMD damper installation structure of a steel box girder footbridge according to claim 4, characterized in that: Decorative plate grooves (10106) are respectively provided on both sides of the steel box girder body (10101), and handrail mounting blocks (10107) are respectively fixedly installed on both sides of the top of the steel box girder body (10101).

6. The TMD damper installation structure of a steel box girder footbridge according to claim 5, characterized in that: The bridge deck assembly (103) includes a decorative plate (10301), a railing (10303) and a paved road surface (10302), and the paved road surface (10302) is fixedly installed on the top of the steel box girder body (10101).

7. The TMD damper installation structure of a steel box girder pedestrian bridge according to claim 6, characterized in that: An insert block (10305) is fixedly installed at the bottom of the decorative plate (10301), and the insert block (10305) is snap-fitted and connected with the decorative plate groove (10106).

8. The TMD damper installation structure of a steel box girder pedestrian bridge according to claim 6, characterized in that: The bottom of the railing (10303) is fixedly connected to the handrail mounting block (10107), and the top of the railing (10303) is fixedly mounted with a handrail (10304).

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