High-strength arch structure bridge

By designing a combined structure of support components and buffer components in the arched structural bridge, the irreversible damage problem of the opposite bank base under the action of oscillation is solved, and the stability and seismic resistance of the bridge are improved.

CN222541262UActive Publication Date: 2025-02-28ZIBO JIANWEI ENG DESIGN CO LTD
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Patent Information

Application Number
CN202421004367.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-02-28
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

At this stage, arch bridges are prone to irreversible damage to the opposite shore base under the action of oscillation, resulting in bridge damage.

Method used

A high-strength arched structural bridge is designed, using a combined structure of support and buffer components. The support assembly includes a support body, a tie rod and a column for sharing and supporting the bridge deck; the buffer assembly is structured through a spring and a chute to buffer stress and reduce damage to the opposite bank base.

Benefits of technology

Through the stability of the support component and the buffering effect of the buffering component, the stability and seismic resistance of the bridge are improved, and the damage to the opposite shore base is reduced.

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Abstract

The utility model discloses a high-strength arch structure bridge which comprises a bridge floor, an arch rib and a supporting assembly arranged between the bridge floor and the arch rib, the bridge floor is arranged at the upper end of the arch rib, and the supporting assembly is used for sharing and supporting the bridge floor. The buffering assemblies are arranged at the two ends of the arch rib and used for buffering stress. The utility model belongs to the technical field of bridges, and particularly relates to a high-strength arch structure bridge.
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Description

Technical Field

[0001] The utility model belongs to the technical field of bridges, and in particular relates to a high-strength arch structure bridge. Background Art

[0002] After searching, for example, a patent with announcement number CN212052268U discloses an arch bridge, including a main beam, four arch seats opposite to each other in pairs arranged below the main beam, a main arch connecting two arch seats opposite to each other in the direction of the bridge, and side arches extending from the arch seats opposite to each other in the direction of the cross bridge to the bottom of the end of the main beam, the main arch includes a main arch rib with an angle of 14° between the connecting line of the upper end and the lower end and the center line of the bridge, the main beam is fixedly connected to the main arch rib, and the side arch includes a side arch rib with an angle of 17.9° between the connecting line of the upper end and the lower end and the center line of the bridge.

[0003] The problem with the above patent is that the current arch bridge transfers the bridge load to the arch seat through the inward-inclined main arch ribs and side arch ribs. Because the bridge is very likely to cause irreversible damage to the shore foundation under the action of vibration, thus causing damage to the bridge. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the bridge is very likely to cause irreversible damage to the shore foundation under the action of vibration, thus causing damage to the bridge.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a high-strength arch structure bridge, including a bridge deck and arch ribs, the bridge deck is arranged at the upper end of the arch ribs, and a support component is arranged between the bridge deck and the arch ribs, the support component is used to share and support the bridge deck; it also includes a buffer component arranged at both ends of the arch ribs, the buffer component is used to buffer stress.

[0006] Furthermore, the support assembly includes a support body 1, a support body 2, a tie rod and a column, the support body 1 is fixedly connected to the middle part of the bottom side of the bridge deck, the support body 2 is fixedly connected to the middle part of the upper side of the arch rib, the column is fixedly connected between the bridge deck and the arch rib, the upper end of the column is fixedly connected to the bottom end of the bridge deck, the lower end of the column is fixedly connected to the upper end of the arch rib, the tie rod is fixedly connected between the bridge deck and the arch rib, one end of the tie rod is fixedly connected to the lower end of the bridge deck, and the other end of the tie rod is fixedly connected to the upper end of the arch rib.

[0007] Furthermore, the buffer assembly includes support block 1, support block 2, support column 1 and support column 2, the support block is fixedly connected to the left and right ends of the arch rib, the support block 2 is arranged on the outside of support block 1, and the opposite surface of support block 2 is provided with slide groove 1 and slide groove 2, the support column 1 is fixedly connected to the outside of the support block, the support column 2 is fixedly connected to the outer end of support column 1, a spring 1 is provided between the slide groove 1 and support block 1, and a spring 2 is provided between the slide groove 2 and support column 1.

[0008] Furthermore, the support body 1 is arranged in a truncated cone shape, the support body 2 is arranged in a truncated cone shape, and the support body 1 and the support body 2 are opposite to each other.

[0009] Furthermore, the uprights are provided in several groups and are symmetrical along the center line, and the pull rods are provided in several groups and are symmetrical along the center line.

[0010] Furthermore, one end of the support column is fixedly connected to one side of the support block, and the other end is slidably disposed inside the first slide groove, and the second support column is fixedly connected to one end of the support column, and the other end is slidably disposed inside the second slide groove.

[0011] Furthermore, the first set of springs is arranged on the upper part of the first support column, and the second set of springs is arranged on the upper part of the second support column.

[0012] After adopting the above structure, the utility model has the following beneficial effects:

[0013] (1) By setting the support assembly, the support block 1, the support block 2, the column and the tie rod, the stability and bearing capacity of the structure are ensured.

[0014] (2) By setting up multi-layer buffer components, the vibration of the bridge can be reduced, the buffering effect of the arch rib on the shore foundation can be increased, and the damage to the shore foundation can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 It is a schematic diagram of the overall structure proposed by the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure proposed by the utility model;

[0018] Figure 3 A half-section schematic diagram of the overall structure proposed by the utility model;

[0019] Figure 4 for Figure 3 A magnified view of part A.

[0020] In the attached drawings: 1. bridge deck, 2. arch rib, 3. support assembly, 4. buffer assembly, 5. support body one, 6. support body two, 7. pull rod, 8. column, 9. support block one, 10. support block two, 11. support column one, 12. support column two, 13. slide slot one, 14. slide slot two, 15. spring one, 16. spring two. DETAILED DESCRIPTION

[0021] like Figure 1-2 As shown, a high-strength arch structure bridge includes a bridge deck 1, an arch rib 2, the bridge deck 1 is arranged at the upper end of the arch rib 2, and a support component 3 is arranged between the bridge deck 1 and the arch rib 2, the support component 3 is used to share and support the bridge deck 1; it also includes a buffer component 4 arranged at both ends of the arch rib 2, the buffer component 4 is used to buffer stress.

[0022] like Figure 1-2 As shown, the support assembly 3 includes a support body 1 5, a support body 2 6, a tie rod 7 and a column 8. The support body 1 5 is fixedly connected to the middle part of the bottom side of the bridge deck 1, the support body 2 6 is fixedly connected to the middle part of the upper side of the arch rib 2, the column 8 is fixedly connected between the bridge deck 1 and the arch rib 2, the upper end of the column 8 is fixedly connected to the bottom end of the bridge deck 1, the lower end of the column 8 is fixedly connected to the upper end of the arch rib 2, the tie rod 7 is fixedly connected between the bridge deck 1 and the arch rib 2, one end of the tie rod 7 is fixedly connected to the lower end of the bridge deck 1, and the other end of the tie rod 7 is fixedly connected to the upper end of the arch rib 2.

[0023] like Figure 3-4 As shown, the buffer assembly 4 includes a support block 19, a support block 10, a support column 11 and a support column 12. The support block is fixedly connected to the left and right ends of the arch rib 2. The support block 10 is arranged on the outside of the support block 9. The opposite sides of the support block 10 are provided with a slide groove 13 and a slide groove 14. The support column 11 is fixedly connected to the outside of the support block. The support column 12 is fixedly connected to the outer end of the support column 11. A spring 15 is provided between the slide groove 13 and the support block 9. A spring 2 16 is provided between the slide groove 14 and the support column 11.

[0024] Among them, the support body 1 5 is arranged in a truncated cone shape, the support body 2 6 is arranged in a truncated cone shape, the support body 1 5 and the support body 2 6 are opposite to each other, the columns 8 are arranged in several groups and are symmetrical along the center line, the pull rods 7 are arranged in several groups and are symmetrical along the center line, one end of the support column 1 11 is fixedly connected to one side of the support block 1 9, and the other end is slidably arranged inside the slide groove 1 13, the support column 2 12 is fixedly connected to one end of the support column 1 11, and the other end is slidably arranged inside the slide groove 2 14, the spring 15 is sleeved on the upper part of the support column 1 11, and the spring 2 16 is sleeved on the upper part of the support column 2 12.

[0025] During specific use, first, when the bridge deck 1 is under static load, the bridge deck 1 is subjected to a downward force, and the support block 9 disperses the pressure and pushes it downward, pressing the support block 2 10 to move downward, transferring the pressure to the curvature of the arch rib 2, and the arch rib 2 converts the vertical pressure into a lateral force. The support block 9 generates an outward thrust, the support column 11 disperses the thrust, and the spring 15 is deformed. The spring 15 transfers the thrust to the upper part of the support block 2 10, and the support block 2 10 disperses the thrust to the upper part of the shore foundation. At the same time, the columns 8 and the pull rods 7 provide dispersed support to the bridge deck 1 to ensure the stability of the bridge deck 1 and the bridge body.

[0026] When the bridge deck 1 is dynamically loaded, the bridge deck 1 is subjected to a downward force, and the support block 9 disperses the pressure and pushes it downward, pressing the support block 2 10 to move downward and transferring the pressure to the curvature of the arch rib 2. The arch rib 2 converts the vertical pressure into a lateral force, and the support block 9 generates an outward thrust, and the support column 11 disperses the thrust, and the spring 15 is deformed. The spring 15 transfers the thrust to the upper part of the support block 2 10, and the support block 2 10 disperses the thrust to the upper part of the shore foundation. When the pressure increases, the spring 2 16 is deformed, and a secondary buffer is provided to the support block 9, thereby reducing the damage to the shore foundation caused by the stress.

[0027] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A high-strength arch structure bridge, characterized in that: It includes a bridge deck and an arch rib, wherein the bridge deck is arranged at the upper end of the arch rib, and a support assembly arranged between the bridge deck and the arch rib, wherein the support assembly is used to share and support the bridge deck; it also includes a buffer assembly arranged at both ends of the arch rib, wherein the buffer assembly is used to buffer stress; the buffer assembly includes a support block 1, a support block 2, a support column 1 and a support column 2, wherein the support block is fixedly connected to the left and right ends of the arch rib, the support block 2 is arranged on the outer side of the support block 1, a slide groove 1 and a slide groove 2 are provided on the opposite side of the support block 2, the support column 1 is fixedly connected to the outer side of the support block, the support column 2 is fixedly connected to the outer end of the support column 1, a spring 1 is provided between the slide groove 1 and the support block 1, and a spring 2 is provided between the slide groove 2 and the support column 1.

2. A high-strength arch structure bridge according to claim 1, characterized in that: The support assembly includes a support body 1, a support body 2, a tie rod and a column. The support body 1 is fixedly connected to the middle part of the bottom side of the bridge deck, the support body 2 is fixedly connected to the middle part of the upper side of the arch rib, the column is fixedly connected between the bridge deck and the arch rib, the upper end of the column is fixedly connected to the bottom end of the bridge deck, the lower end of the column is fixedly connected to the upper end of the arch rib, the tie rod is fixedly connected between the bridge deck and the arch rib, one end of the tie rod is fixedly connected to the lower end of the bridge deck, and the other end of the tie rod is fixedly connected to the upper end of the arch rib.

3. A high-strength arch structure bridge according to claim 2, characterized in that: The support body 1 is arranged in a truncated cone shape, the support body 2 is arranged in a truncated cone shape, and the support body 1 and the support body 2 are opposite to each other.

4. The high-strength arch structure bridge according to claim 2, characterized in that: The uprights are provided in several groups and are symmetrical along the center line, and the pull rods are provided in several groups and are symmetrical along the center line.

5. The high-strength arch structure bridge according to claim 1, characterized in that: One end of the support column is fixedly connected to one side of the support block, and the other end is slidably arranged inside the first slide groove. The second support column is fixedly connected to one end of the support column, and the other end is slidably arranged inside the second slide groove.

6. The high-strength arch structure bridge according to claim 1, characterized in that: The first set of springs is arranged on the upper part of the first supporting column, and the second set of springs is arranged on the upper part of the second supporting column.

Citation Information

Patent Citations

  • Arch bridge

    CN212052268U