Large bridge component structure

By adopting a combined design of extended beams, buckle tables, buckle grooves and connecting anchors in the bridge components, the problems of difficulty in assembling and alignment of bridge components and insufficient gap filling are solved, efficient splicing and stable connection of bridge components are achieved, and construction efficiency and bridge safety are improved.

CN222771302UActive Publication Date: 2025-04-18HEBEI GUANGJUN ROAD & BRIDGE COMPONENTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421647537.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-04-18
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

When assembling existing bridge components, the two groups of components are not easy to align, resulting in low construction efficiency and insufficient filling gaps of cast-in-place concrete, which can easily cause misalignment of assembly positions and affect bridge safety.

Method used

A large bridge component structure is designed, adopting a combination design of extension beams, buckle tables, buckle grooves and connecting anchors. Through the cooperation of the embedded connectors and the cast-in-place layer, the precise docking and stable connection of the two sets of prefabricated bridge components is achieved.

Benefits of technology

The overall strength and stability of bridge components after splicing is improved, the splicing process is simplified, the alignment time is reduced, the construction efficiency is improved, and the safety of the bridge is enhanced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222771302U_ABST
    Figure CN222771302U_ABST
Patent Text Reader

Abstract

The utility model discloses a large bridge component structure which comprises a prefabricated bridge component and is characterized in that an extension beam and a splicing area are respectively designed at two ends of a beam body, the bottom of the extension beam is connected with a buckling table, a buckling groove is formed in the splicing area, and during splicing, the extension beam of the prefabricated bridge component is located in the splicing area of the other group of components. The buckling table is matched with the buckling groove, the connecting anchor piece connects the two sets of prefabricated bridge components and is embedded in a gap of a filling splicing position in the cast-in-place layer so as to enhance the connecting stability, the embedded connecting piece comprises a steel cylinder and a threaded hole, the connecting anchor piece comprises an anchor body and an anchor rod, the anchor body is provided with a connecting screw hole and a through hole, and the connecting screw hole and the through hole are matched with each other. The hexagonal operation part is arranged on the anchor rod, the structural design is simple and convenient, connection is stable and reliable, the safety of a bridge structure is improved, and the service life of the bridge structure is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of bridge components, in particular to a large-scale bridge component structure. Background Art

[0002] In the field of bridge engineering, in order to improve the construction efficiency of bridges, bridge components are generally prefabricated first, and then multiple groups of prefabricated bridge components are assembled. However, in the prior art, when two groups of bridge components are assembled, it is not easy to align the two groups, which reduces the construction efficiency. Moreover, after the two groups of bridge components are assembled, the gap between the two groups is filled with cast-in-place concrete. However, this simple filling method cannot stably connect the two prefabricated bridge components, and thus it is easy to cause misalignment of the assembly position, affecting the safety of the bridge. Therefore, it is necessary to propose a new bridge component structure design scheme to solve the problems existing in traditional technology. Utility Model Content

[0003] In view of the above-mentioned deficiencies existing in the prior art, the purpose of the utility model is to provide a large-scale bridge component structure which improves the overall strength and stability of the bridge and is easy to assemble.

[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a large bridge component structure, including a prefabricated bridge component, the prefabricated bridge component includes a beam body and a beam platform located at the bottom of the beam body, one end of the beam body is protruding with an extension beam, the bottom surface of the extension beam is fixedly connected with a buckle platform, and the top surface of the extension beam is provided with a first post-filled tongue and groove;

[0005] The other end of the beam body is recessed to form a splicing area, and a buckling groove is provided on the beam platform corresponding to the splicing area, the buckling groove matches the buckling platform, and a second post-complementary tongue and groove is provided on the end of the beam body close to the splicing area;

[0006] When two groups of the prefabricated bridge components are spliced, the extension beam of one group of the prefabricated bridge components is located in the splicing area of ​​the other group of the prefabricated bridge components, and the buckle platform is embedded in the buckle groove, and multiple groups of connecting anchors are provided, one end of each group of the connecting anchors is fixedly connected to the end side of the first rear-supplemented tongue and groove, and the other end is fixedly connected to the end side of the second rear-supplemented tongue and groove;

[0007] A cast-in-place layer is provided, which is located in the area between the first post-supplemented tongue and groove and the second post-supplemented tongue and groove, and the connecting anchor is buried in the cast-in-place layer, and the cast-in-place layer fills the gap between the splicing positions of the two groups of prefabricated bridge components.

[0008] In the above technical solution, embedded connectors are fixedly connected to the end sides of the first post-supplemented tongue and groove and the second post-supplemented tongue and groove on the beam body, and the connecting anchor is fixedly connected to the embedded connectors.

[0009] In the above technical solution, the embedded connector includes a steel cylinder and a threaded hole provided on the steel cylinder;

[0010] The connecting anchor comprises an anchor body and an anchor rod, wherein connecting screw holes are respectively arranged at both ends of the anchor body, a group of the anchor rods are threadedly connected in each group of the connecting screw holes, and a threaded connection part is respectively arranged at the end of each group of the anchor rods, and the threaded connection part is threadedly connected to the threaded hole.

[0011] In the above technical solution, a through hole communicating with the connecting screw hole is provided on the anchor body, and the cast-in-place layer fills the connecting screw hole through the through hole.

[0012] In the above technical solution, a hexagonal operating portion is fixedly connected to the anchor rod.

[0013] Beneficial effects of the utility model:

[0014] 1. The prefabricated bridge components in the structure are designed with a combination of extended beams, snap-on platforms and snap-on grooves, as well as connecting anchors, which enhances the overall strength and stability of the bridge components after splicing, and helps to cope with external pressure;

[0015] 2. The design of the splicing area allows two sets of prefabricated bridge components to be easily spliced. The structure of the extended beam and the buckle platform ensures the stability of the splicing, while the cooperation of the buckle groove and the first and second post-complementary tongue and groove provides convenience for positioning and connection;

[0016] 3. The setting of embedded connectors increases the stability of the connection, making the connection more secure and helping to reduce the need for bridge maintenance and upkeep;

[0017] 4. The setting of the cast-in-place layer fills the gaps at the joints of the prefabricated bridge components, increasing the sealing and stability of the structure. At the same time, it helps prevent water, dust and other debris from entering the gaps, thereby extending the service life of the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the prefabricated bridge component in the utility model;

[0020] Figure 3 It is a structural schematic diagram of another perspective of the prefabricated bridge component in the utility model;

[0021] Figure 4It is a structural schematic diagram of the connecting anchor in the utility model.

[0022] In the figure: 101 beam body, 102 beam platform, 103 extension beam, 104 snap-fit ​​platform, 105 first post-supplemented tongue and groove, 106 splicing area, 107 snap-fit ​​groove, 108 second post-supplemented tongue and groove, 200 connecting anchor, 201 anchor body, 202 anchor rod, 203 connecting screw hole, 204 threaded connection part, 205 through hole, 206 hexagonal operating part, 300 cast-in-place layer, 400 embedded connection part, 401 steel cylinder, 402 threaded hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 —4. A large bridge component structure, comprising a prefabricated bridge component, the prefabricated bridge component comprising a beam body 101 and a beam platform 102 located at the bottom of the beam body 101, wherein an extension beam 103 is protruding from one end of the beam body 101, a buckling platform 104 is fixedly connected to the bottom surface of the extension beam 103, and a first post-filled groove 105 is also provided on the top surface of the extension beam;

[0025] In addition, a splicing area 106 is recessed at the other end of the beam body 101, and a buckling groove 107 is provided on the beam platform 102 corresponding to the splicing area 106, and the buckling groove 107 matches the buckling platform 104. At the same time, a second post-complementary tongue and groove 108 is provided at the end of the beam body 101 close to the splicing area 106;

[0026] When two groups of prefabricated bridge components are spliced, the extension beam 103 of one group of prefabricated bridge components is located in the splicing area 106 of the other group of prefabricated bridge components, and the buckle platform 104 is embedded in the buckle groove 107. In addition, multiple groups of connecting anchors 200 are provided, one end of each group of connecting anchors 200 is fixedly connected to the end side of the first post-supplemented groove 105, and the other end is fixedly connected to the end side of the second post-supplemented groove 108. Then, the area between the first post-supplemented groove 105 and the second post-supplemented groove 108 is cast by on-site casting, and a cast-in-place layer 300 is formed after casting, and the connection The anchor 200 is buried in the cast-in-place layer 300. At the same time, the cast-in-place layer 300 will also fill the gap between the two groups of prefabricated bridge components. In this way, through the cooperation of the snap-fit ​​groove 107 and the snap-fit ​​platform 104, the two groups of prefabricated bridge components can be accurately docked, reducing the alignment time, thereby improving construction efficiency. The two groups of prefabricated bridge components are connected by connecting the anchor 200, and then the gap between the two groups of prefabricated bridge components is filled by cast-in-place concrete. Such a structure can ensure the overall strength and stability of the bridge, avoid deformation at the splicing position, and ensure the safety of the bridge.

[0027] In the present invention, in order to realize the connection of two groups of prefabricated bridge components by the connecting anchor 200, the following structure can be adopted:

[0028] The end sides of the first post-supplemented groove 105 and the second post-supplemented groove 108 on the beam body 101 are fixedly connected to the embedded connecting piece 400 by pre-embedded manner, and the connecting anchor 200 is fixedly connected to the embedded connecting piece 400. Specifically, the embedded connecting piece 400 includes a steel cylinder 401 and a threaded hole 402 provided on the steel cylinder 401, and the connecting anchor 200 includes an anchor body 201 and an anchor rod 202. The two ends of the anchor body 201 are respectively provided with connecting screw holes 203, and each group of connecting screw holes 203 is threadedly connected with a group of anchor rods 202. 2 are respectively provided with threaded connection parts 204, and the threaded connection parts 204 are threadedly connected with the threaded holes. In this way, after the two groups of prefabricated bridge components are assembled, a group of connecting anchors 200 can be placed between the corresponding two groups of embedded connecting parts 400, and then the anchor body 201 is fixed, and the anchor rods 202 at both ends are rotated so that the anchor rods 202 extend out of the connecting screw holes 203, and the rotating anchor rods 202 can enter the threaded holes 402, thereby realizing threaded connection with the threaded holes 402, and finally realizing the effect of connecting the two groups of prefabricated bridge components by the connecting anchors 200;

[0029] In addition, in order to improve the stability of the connecting anchor 200, a through hole 205 is provided on the anchor body 201 which is connected to the connecting screw hole 203. When pouring concrete on site, the concrete fills the connecting screw hole 203 through the through hole 205, so that the anchor body 201 and the anchor rod 202 form a fixed structure that cannot be displaced. Furthermore, in order to facilitate the rotation of the anchor rod 202, a hexagonal operating part 206 is fixedly connected to the anchor rod 202, so that the anchor rod 202 can be easily rotated by using tools (wrenches, etc.).

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A large bridge component structure, comprising a prefabricated bridge component, wherein the prefabricated bridge component comprises a beam body (101) and a beam platform (102) located at the bottom of the beam body (101), characterized in that: An extension beam (103) is protruding from one end of the beam body (101), a buckling platform (104) is fixedly connected to the bottom surface of the extension beam (103), and a first post-filled groove (105) is provided on the top surface of the extension beam (103); The other end of the beam body (101) is recessed to form a splicing area (106); a buckling groove (107) is provided on the beam platform (102) corresponding to the splicing area (106); the buckling groove (107) matches the buckling platform (104); and a second post-filled tongue and groove (108) is provided at the end of the beam body (101) close to the splicing area (106); When two groups of the prefabricated bridge components are spliced, the extension beam (103) of one group of the prefabricated bridge components is located in the splicing area (106) of the other group of the prefabricated bridge components, and the buckling platform (104) is embedded in the buckling groove (107), and multiple groups of connecting anchors (200) are provided, and one end of each group of the connecting anchors (200) is fixedly connected to the end side of the first rear-supplemented groove (105), and the other end is fixedly connected to the end side of the second rear-supplemented groove (108); A cast-in-place layer (300) is provided, the cast-in-place layer (300) is located in the area between the first post-supplemented groove (105) and the second post-supplemented groove (108), and the connecting anchor (200) is buried in the cast-in-place layer (300), and the cast-in-place layer (300) fills the gap between the splicing positions of the two groups of prefabricated bridge components.

2. A large bridge component structure according to claim 1, characterized in that: Pre-embedded connecting pieces (400) are fixedly connected to the end sides of the first post-supplemented groove (105) and the second post-supplemented groove (108) on the beam body (101), and the connecting anchor (200) is fixedly connected to the pre-embedded connecting piece (400).

3. A large bridge component structure according to claim 2, characterized in that: The embedded connection piece (400) comprises a steel cylinder (401) and a threaded hole (402) provided on the steel cylinder (401); The connecting anchor (200) comprises an anchor body (201) and an anchor rod (202); connecting screw holes (203) are respectively provided at both ends of the anchor body (201); a group of the anchor rods (202) are threadedly connected in each group of the connecting screw holes (203); and a threaded connection portion (204) is respectively provided at the end of each group of the anchor rods (202); the threaded connection portion (204) is threadedly connected to the threaded hole (402).

4. A large bridge component structure according to claim 3, characterized in that: A through hole (205) is provided on the anchor body (201) and is in communication with the connection screw hole (203); the cast-in-place layer (300) fills the connection screw hole (203) through the through hole (205).

5. A large bridge component structure according to claim 4, characterized in that: A hexagonal operating portion (206) is fixedly connected to the anchor rod (202).