Wind vibration prevention structure of bridge

Abstract

The embodiment of the utility model provides a wind vibration prevention structure of a bridge, and relates to the technical field of bridge construction, the wind vibration prevention structure of the bridge comprises a steel guide beam body, a main beam body and two flexible connecting assemblies, the two flexible connecting assemblies are respectively arranged on the two longitudinal sides of the steel guide beam body, the steel guide beam body and the main beam body are flexibly connected through the two flexible connecting assemblies. The two flexible connecting assemblies are connected with the steel guide beam body and the main beam body, so that the steel guide beam body, the two flexible connecting assemblies and the main beam body form a stable structure, vibration generated by the steel guide beam under the wind load effect is effectively reduced, the stress safety of the steel guide beam structure is guaranteed, and the stability of the steel guide beam structure is improved.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, and in particular to a wind-resistant structure for bridges. Background Technology

[0002] The steel guide beam is a temporary auxiliary structure in the jacking and dragging construction of steel beams. The steel guide beam is installed at the front / rear end of the main beam. In order to meet the internal force requirements when the main beam is jacked, it is necessary to reduce the self-weight of the steel guide beam. A structural design with variable stiffness from the root to the front end or segmented variable stiffness is adopted. Each segment is connected by bolts to realize the prefabricated design.

[0003] In existing technologies, when the steel guide beam is in a cantilever state under strong wind conditions, the steel guide beam vibrates under the action of the wind. Wind vibration has an adverse effect on the steel guide beam structure and may even cause the steel guide beam to break suddenly. The existing steel guide beam structure has low stability. Utility Model Content

[0004] This utility model provides a wind-resistant vibration prevention structure for bridges to solve the technical problem of low stability of existing steel guide beam structures in strong wind environments.

[0005] This utility model embodiment provides a wind-resistant vibration prevention structure for bridges, the wind-resistant vibration prevention structure including a steel guide beam body and a main beam body;

[0006] Two flexible connection components are respectively disposed on both longitudinal sides of the steel guide beam body, and the two flexible connection components flexibly connect the steel guide beam body and the main beam body.

[0007] In some embodiments, each of the flexible connection components includes:

[0008] A vertical rod is provided at the middle of one longitudinal side of the steel guide beam body;

[0009] The first roller is mounted on the vertical rod;

[0010] Two first anchors are longitudinally arranged on both sides of the vertical rod along the steel guide beam body, one of which is located on the steel guide beam body and the other is located on the main beam body.

[0011] The second roller is connected to the first anchor on the main beam.

[0012] A first rope, the first end of which is anchored to a first anchor on the steel guide beam body, and the second end of which extends toward the side closer to the vertical rod after passing through the first roller and the second roller in sequence and is fixedly connected to the steel guide beam body.

[0013] In some embodiments, each of the flexible connection components further includes:

[0014] The second anchor is located on the steel guide beam body and between the first anchor and the vertical rod on the main beam body. The second end of the first rope extends towards the side closer to the vertical rod after passing through the first roller and the second roller in sequence and is fixedly connected to the second anchor.

[0015] In some embodiments, each of the flexible connection components further includes:

[0016] The third roller is mounted on the vertical rod;

[0017] Two third anchors are provided longitudinally along the steel guide beam body on both sides of the vertical rod and on the steel guide beam body.

[0018] A fourth roller, which is connected to one of the third anchors;

[0019] The second rope has its first end anchored to another of the third anchors, and its second end extends toward the side closer to the vertical rod after passing through the third roller and the fourth roller in sequence, and is fixedly connected to the steel guide beam body.

[0020] In some embodiments, each of the first ropes includes:

[0021] rope body;

[0022] Two rope clamps are respectively located at both ends of the rope.

[0023] In some embodiments, the rope is a steel strand.

[0024] In some embodiments, the vertical rod is made of steel.

[0025] In some embodiments, it also includes:

[0026] A connecting system, the two ends of which are respectively used to connect the two vertical rods of the two flexible connecting components.

[0027] In some embodiments, the connection system is a steel pipe structure, with both ends of the steel pipe structure connected to the two vertical rods respectively.

[0028] The beneficial effects of the technical solution provided by this utility model include:

[0029] This utility model provides a wind-vibration-resistant structure for bridges. The structure includes a steel guide beam body, a main beam body, and two flexible connecting components. The two flexible connecting components are respectively located on both longitudinal sides of the steel guide beam body, flexibly connecting the steel guide beam body and the main beam body. The two flexible connecting components in this utility model connect the steel guide beam body and the main beam body, forming a stable structure that effectively reduces the vibration of the steel guide beam under wind loads, ensuring the structural safety of the steel guide beam and improving its stability. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 A schematic elevation view of a wind-resistant vibration prevention structure for a bridge, provided for an embodiment of this utility model;

[0032] Figure 2 A cross-sectional structural schematic diagram of a wind-resistant vibration prevention structure for a bridge provided for an embodiment of this utility model;

[0033] Figure label:

[0034] 1. Steel guide beam body;

[0035] 2. Flexible connection assembly; 21. Vertical rod; 22. First roller; 23a. First anchor; 23b. Second anchor; 24. Second roller; 25. First rope; 251. Rope body; 252. Rope clamp; 26. Third roller; 27. Third anchor; 28. Fourth roller; 29. ​​Second rope;

[0036] 3. Main beam;

[0037] 4. Connection system. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0039] This utility model provides a wind-resistant vibration structure for bridges, which can solve the technical problem of low stability of existing steel guide beam structures in strong wind environments.

[0040] See Figure 1 and Figure 2 As shown in the figure, this utility model provides a wind-resistant vibration prevention structure for bridges. The structure includes a steel guide beam body 1, a main beam body 3, and two flexible connecting components 2. The two flexible connecting components 2 are respectively located on both longitudinal sides of the steel guide beam body 1, flexibly connecting the steel guide beam body 1 and the main beam body 3. The two flexible connecting components 2 in this utility model connect the steel guide beam body 1 and the main beam body 3, forming a stable structure with the steel guide beam body 1, the two flexible connecting components 2, and the main beam body 3. This effectively reduces the vibration of the steel guide beam structure under wind load, ensures the structural safety of the steel guide beam structure, and improves the stability of the steel guide beam structure.

[0041] This utility model provides a wind-vibration-resistant structure for bridges. The structure comprises a steel guide beam body, a main beam body, and two flexible connecting components. The two flexible connecting components are respectively located on both longitudinal sides of the steel guide beam body, flexibly connecting the steel guide beam body and the main beam body. The two flexible connecting components in this utility model connect the steel guide beam body and the main beam body, forming a stable structure that effectively reduces the vibration of the steel guide beam under wind loads, ensuring the structural safety of the steel guide beam and improving its stability.

[0042] As an optional implementation, in one embodiment of the utility model, see [link to utility model description]. Figure 1As shown, each of the flexible connection components 2 is provided with a vertical rod 21, a first roller 22, two first anchors 23a, a second roller 24, and a first rope 25. The vertical rod 21 is located in the middle of one longitudinal side of the steel guide beam body 1. The first roller 22 is located on the vertical rod 21. The two first anchors 23a are located on both sides of the vertical rod 21 along the longitudinal direction of the steel guide beam body 1. One of the first anchors 23a is located on the steel guide beam body 1, and the other is located on the main beam body 3. The second roller 24 is connected to the first anchor 23a on the main beam body 3. The first end of the first rope 25 is anchored to one of the first anchors 23a on the steel guide beam body 1. The second end of the first rope 25 extends towards the side closer to the vertical rod 21 after passing through the first roller 22 and the second roller 24 in sequence and is fixedly connected to the steel guide beam body 1. The flexible connecting component of this utility model achieves a triangular stable structure with the steel guide beam body and the main beam body, which effectively prevents the steel guide beam from vibrating adversely in strong winds and avoids sudden breakage of the steel guide beam. It also has a simple structure, is easy to disassemble, and has strong assembly capabilities. At the same time, it is easy to adjust the length of the flexible connecting component. One end is fixed and the other end is adjusted. After adjusting to the optimal state, it is fixed.

[0043] As an optional implementation, in one embodiment of the utility model, see [link to utility model description]. Figure 1 As shown, each of the flexible connection components 2 is further provided with a second anchor 23b. The second anchor 23b is disposed on the steel guide beam body 1 and located between the first anchor 23a and the vertical rod 21 on the main beam body 3. The second end of the first rope 25 extends towards the side closer to the vertical rod 21 after passing through the first roller 22 and the second roller 24 in sequence and is fixedly connected to the second anchor 23b. In this embodiment of the present invention, the second anchor 23b is fixedly connected to the steel guide beam body 1, and the first rope 25 is fixed by the second anchor 23b, resulting in high connection stability and ensuring the connection stability of the wind-vibration-resistant structure.

[0044] As an optional implementation, in one embodiment of the utility model, see [link to utility model description]. Figure 1As shown, each of the flexible connection components 2 is further provided with a third roller 26, two third anchors 27, a fourth roller 28, and a second rope 29. The third roller 26 is provided on the vertical rod 21. The two third anchors 27 are arranged longitudinally along the steel guide beam body 1 on both sides of the vertical rod 21 and are both provided on the steel guide beam body 1. The fourth roller 28 is connected to one of the third anchors 27. The first end of the second rope 29 is anchored to the other third anchor 27. The second end of the second rope 29 passes through the third roller 26 and the fourth roller 28 in sequence and extends towards the side closer to the vertical rod 21 and is fixedly connected to the steel guide beam body 1, further improving the connection stability of the vertical rod 21 and the steel guide beam body 1.

[0045] As an optional implementation, in one embodiment of the utility model, see [link to utility model description]. Figure 1 As shown, each of the first ropes 25 is provided with a rope body 251 and two rope clips 252. The two rope clips 252 are respectively located at both ends of the rope body 251. The two rope clips 252 are respectively used to connect with the first anchor 23a and the second anchor 23b, which facilitates installation and disassembly and improves installation efficiency.

[0046] As an optional implementation, in one embodiment of the utility model, the rope 251 is a steel strand, which has high strength, good flexibility, strong corrosion resistance, and long service life, ensuring the stability of the wind-resistant structure.

[0047] As an optional implementation, in one embodiment of the utility model, the vertical rod 21 is made of steel to ensure the structural stability of the vertical rod 21.

[0048] As an optional implementation, in one embodiment of the utility model, see [link to utility model description]. Figure 2 As shown, a connecting system 4 is also provided. The two ends of the connecting system 4 are respectively used to connect the two vertical rods 21 of the two flexible connecting components 2, so that the two vertical rods 21 are connected into a whole by the connecting system 4, thereby improving the stability of the overall structure and enhancing the wind resistance.

[0049] As an optional implementation, in one embodiment of the utility model, the connecting system 4 is a steel pipe structure, and the two ends of the steel pipe structure are respectively connected to the two vertical rods 21. The connecting system 4 can also be a steel profile structure. The connecting system 4 is set according to actual needs to improve the stability of the wind-resistant structure.

[0050] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0051] It should be noted that in this invention, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0052] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features of the present invention.

Claims

1. A wind-resistant vibration prevention structure for bridges, characterized in that, include: The steel guide beam body (1) and the main beam body (3); Two flexible connection components (2) are respectively provided on both sides of the longitudinal direction of the steel guide beam body (1), and the two flexible connection components (2) flexibly connect the steel guide beam body (1) and the main beam body (3).

2. The wind-resistant vibration structure for bridges according to claim 1, characterized in that, Each of the flexible connection components (2) includes: A vertical rod (21) is provided at the middle of one longitudinal side of the steel guide beam body (1); The first roller (22) is mounted on the vertical rod (21); Two first anchors (23a) are longitudinally arranged on both sides of the vertical rod (21) along the steel guide beam body (1), one of the first anchors (23a) is arranged on the steel guide beam body (1), and the other first anchor (23a) is arranged on the main beam body (3). The second roller (24) is connected to the first anchor (23a) on the main beam (3); A first rope (25) is anchored at its first end to a first anchor (23a) on the steel guide beam body (1). The second end of the first rope (25) extends toward the side closer to the vertical rod (21) after passing through the first roller (22) and the second roller (24) in sequence and is fixedly connected to the steel guide beam body (1).

3. The wind-resistant vibration structure for bridges according to claim 2, characterized in that, Each of the flexible connection components (2) further includes: The second anchor (23b) is located on the steel guide beam body (1) and between the first anchor (23a) and the vertical rod (21) on the main beam body (3). The second end of the first rope (25) passes through the first roller (22) and the second roller (24) in sequence and extends towards the side close to the vertical rod (21) and is fixedly connected to the second anchor (23b).

4. The wind-resistant vibration structure for bridges according to claim 2, characterized in that, Each of the flexible connection components (2) further includes: The third roller (26) is mounted on the vertical rod (21); Two third anchors (27) are arranged longitudinally along the steel guide beam body (1) on both sides of the vertical rod (21) and on the steel guide beam body (1); A fourth roller (28) is connected to one of the third anchors (27); The second rope (29) has its first end anchored to another of the third anchors (27), and its second end extends toward the side closer to the vertical rod (21) after passing through the third roller (26) and the fourth roller (28) in sequence, and is fixedly connected to the steel guide beam body (1).

5. The wind-resistant vibration structure for bridges according to claim 2, characterized in that, Each of the first ropes (25) includes: Rope body(251); Two rope clamps (252) are respectively located at both ends of the rope body (251).

6. The wind-resistant vibration prevention structure for bridges according to claim 5, characterized in that: The rope (251) is a steel strand.

7. The wind-resistant vibration prevention structure for bridges according to claim 2, characterized in that: The vertical rod (21) is made of steel.

8. The wind-resistant vibration structure for bridges according to claim 2, characterized in that, Also includes: The connecting system (4) has two ends for connecting the two vertical rods (21) of the two flexible connecting components (2).

9. A wind-resistant vibration-damping structure for bridges according to claim 8, characterized in that: The connecting system (4) is a steel pipe structure, and the two ends of the steel pipe structure are respectively connected to the two vertical rods (21).

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