Transverse limiting device with large corner at beam end and bridge

Abstract

The invention discloses a beam-end large-corner transverse limiting device and a bridge, and relates to the field of bridge safety, the beam-end large-corner transverse limiting device comprises a limiting assembly and a rotating assembly, and the transverse limiting assembly comprises a transverse limiting plate used for being connected with the end of one beam section and a cantilever limiting plate used for being connected with the end of the other beam section; the free end of the cantilever limiting plate horizontally extends to the position above the transverse limiting plate. The rotating assembly comprises a steering sleeve which is longitudinally embedded into the top of the transverse limiting plate and can rotate around a shaft, and the free end of the cantilever limiting plate is embedded into the steering sleeve. The device has the large-corner deformation adaptive capacity, potential safety hazards are effectively eliminated, meanwhile, transverse limiting of a bridge can be achieved, the freedom degree in the bridge direction is reserved so as to comply with normal stretching and retracting of the bridge, the whole device is simple in structure, definite in stress and clear in force transmission path, the manufacturing and mounting complexity and cost are reduced, and potential fault points are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bridge safety, in particular to a transverse limiting device for large rotation angle of beam end and a bridge. BACKGROUND

[0002] In the field of bridge engineering, especially in the construction of large-span bridge by incremental launching and cantilever assembling, and in the operation stage, the end section of the beam structure often rotates significantly vertically under the action of load, temperature, prestress and foundation deformation, i.e. the phenomenon of large rotation angle of beam end. Such large rotation angle working condition is often found in the closure gap of continuous beam bridge, the connection between guide beam and main beam in incremental launching construction, and the settlement section of support, etc. The large rotation of beam end not only causes redistribution of internal force of the structure, but also causes the trend of transverse displacement or deviation that cannot be ignored, which poses a serious threat to construction safety, structural linear control and bridge operation reliability.

[0003] In order to prevent excessive transverse displacement of the beam and ensure the overall stability of the structure, a transverse limiting device has become an indispensable safety component in bridge structure. The traditional transverse limiting device usually adopts a rigid stop block form, i.e. the concrete block or steel stop block embedded in the pier and beam is embedded in each other to provide transverse constraint. However, such traditional device mainly considers the limitation of translational displacement of the beam in the design, and has poor adaptability to the large rotation angle deformation of the beam end, which cannot adapt to the dynamic rotation of large rotation angle, causing safety hazards. SUMMARY

[0004] The present application provides a transverse limiting device for large rotation angle of beam end and a bridge, which can solve the technical problem that the existing transverse limiting device for two beam ends only retains the freedom in the bridge direction to provide transverse constraint, but has poor adaptability to the large rotation angle deformation of the beam end, which cannot use the dynamic rotation of large rotation angle, causing safety hazards.

[0005] In a first aspect, the present application provides a transverse limiting device for large rotation angle of beam end, comprising: A limiting component, the transverse limiting component comprises a transverse limiting plate for connecting one end of a beam segment and a cantilever limiting plate for connecting the other end of a beam segment, and the free end of the cantilever limiting plate extends horizontally above the transverse limiting plate; A rotating component, the rotating component comprises a rotating sleeve longitudinally embedded in the top of the transverse limiting plate and can rotate around the shaft, and the free end of the cantilever limiting plate is embedded in the rotating sleeve.

[0006] In combination with the first aspect, in an implementation manner, the transverse limiting plate comprises a horizontal steel plate and two protruding blocks arranged in the horizontal plane of the horizontal steel plate in the transverse direction of the bridge, and two rotating guide blocks are arranged between the two protruding blocks in the transverse direction of the bridge.

[0007] In one embodiment, the rotating guide block has an arc-shaped surface on one side away from the limiting boss, and the steering sleeve is located between the two rotating guide blocks.

[0008] In one embodiment, the steering sleeve includes two opposing arc-shaped blocks, the arc-shaped ends of the arc-shaped blocks being used to fit against the arc-shaped surface of the rotating guide block, and the free end of the cantilever limiting plate being embedded between the two arc-shaped blocks.

[0009] In one embodiment, the top of the arc-shaped surface of the rotating guide block is provided with a limiting step portion protruding from the arc-shaped surface, and the outer periphery of the top of the arc-shaped block is provided with a recessed edge for cooperating with the limiting step portion.

[0010] In one embodiment, the bottom of the transverse limiting plate is provided with a first anchoring component. The first anchoring component includes a horizontally arranged first anchoring steel plate and a first anchoring bolt that passes through the first anchoring steel plate and the transverse limiting plate. One end of the first anchoring steel plate is embedded in the end of one of the beam segments, and the other end of the first anchoring steel plate is protruding from the end of the beam segment.

[0011] In one embodiment, the cantilever limiting plate includes a protruding embedded end and horizontal anchoring ears located on both sides of the protruding embedded end, the protruding embedded end protruding from the end face of the horizontal anchoring ears facing the transverse limiting plate and embedded in the steering sleeve.

[0012] In one embodiment, the bottom of the cantilever limiting plate is provided with a second anchoring component. The second anchoring component includes a horizontally arranged second anchoring steel plate and a second anchoring bolt that passes through the second anchoring steel plate and the horizontal anchoring lug. One end of the second anchoring steel plate is embedded in the end of another beam segment, and the other end of the second anchoring steel plate is protruding from the end of the beam segment.

[0013] In one embodiment, the second anchoring steel plate has a protruding guide block in the middle for longitudinal arrangement along the bridge, and the bottom of the protruding embedded end has a sliding groove for cooperating with the protruding guide block.

[0014] Secondly, this application provides a bridge, wherein the bridge is provided with the aforementioned lateral limiting device for the large bend of the beam end at the large bend. In the two beam segments at the large bend of the bridge, a lateral limiting plate is anchored on the end face of one beam segment, and a cantilever limiting plate is anchored on the end face of the other beam segment.

[0015] The beneficial effects of the technical solutions provided in this application include: 1. This application provides rotational freedom for the connection between the cantilever limiting plate and the lateral limiting plate by using a steering sleeve that can rotate around an axis. When significant angular deformation occurs between the two beam ends, the cantilever limiting plate can drive the steering sleeve to rotate together, thereby flexibly adapting to such dynamic changes in large angles. This avoids the jamming, squeezing, and even structural damage problems commonly found in traditional rigid connections or simple sliding connections, fundamentally solving the safety hazards caused by poor angular adaptability. 2. While effectively bearing lateral loads and providing lateral restraint for the bridge, the embedded connection structure of the cantilever limit plate within the steering sleeve completely preserves the longitudinal freedom of the bridge. This ensures that the device does not impose any unnecessary constraints on the thermal expansion and contraction of the bridge due to temperature changes, guaranteeing that the beam can freely expand and contract along the longitudinal direction, while simultaneously meeting the lateral restraint function and the bridge's stress release requirements; 3. Without the need for complex hinges or additional transmission mechanisms, the entire device has a simple structure, clear force distribution, and a clear force transmission path. This not only reduces the complexity and cost of manufacturing and installation, but also reduces potential failure points and improves durability and reliability under long-term dynamic load service environments. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of a lateral limiting device for large-angle beam ends provided in an embodiment of this application; Figure 2 A top view of a lateral limiting device for large-angle beam ends provided in an embodiment of this application; Figure 3 A schematic diagram of the rotating guide block structure in a lateral limiting device for large-angle beam ends provided in an embodiment of this application; Figure 4 A schematic diagram of the arc-shaped block structure in a lateral limiting device for large-angle beam ends provided in an embodiment of this application; Figure 5 A schematic diagram of the first anchoring component in a lateral limiting device for large beam-end rotation provided in an embodiment of this application; Figure 6 A schematic diagram of the cantilever limiting plate structure in a lateral limiting device for large-angle beam ends provided in an embodiment of this application; Figure 7 This is a schematic diagram of the second anchoring component in a lateral limiting device for large-angle beam ends provided in an embodiment of this application.

[0018] In the diagram: 1. Lateral limiting plate; 101. Horizontal steel plate; 102. Limiting boss; 103. Rotating guide block; 104. Limiting step; 2. Cantilever limiting plate; 201. Protruding embedded end; 202. Horizontal anchoring ear; 203. Sliding groove; 3. Steering sleeve; 301. Arc-shaped block; 302. Recessed edge; 4. First anchoring assembly; 401. First anchoring steel plate; 402. First anchoring bolt; 5. Second anchoring assembly; 501. Second anchoring steel plate; 502. Second anchoring bolt; 503. Protruding guide block. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0020] Firstly, the embodiments of this application provide a lateral limiting device for large-angle beam ends, which can solve the technical problem that existing lateral limiting devices for two beam ends only retain the longitudinal degree of freedom in order to provide lateral constraints, but have extremely poor adaptability to large-angle deformation at the beam ends at the same time, and cannot use the rotational dynamics of large angles, thus causing safety hazards.

[0021] The lateral limiting device for large beam-end rotation angles in this application includes a limiting component and a rotating component. The limiting component consists of two parts, which are used to connect the two beam ends respectively. While providing lateral constraint to the two beam ends, it also has a certain degree of freedom in the longitudinal direction to adapt to the geometric coordination requirements in the longitudinal direction caused by the large beam-end rotation angle itself. The rotating component serves as the connection point between the two components of the limiting component, ensuring that a certain amount of rotation is maintained between the two components to accommodate the possible relative angular displacement between the two adjacent beam ends. At the same time, the rotating component and the limiting component are embedded together, which also preserves the longitudinal degree of freedom. The combination of the two makes the entire limiting device transform from rigid constraint to flexible coordination, thereby achieving the precise control objective of limiting lateral movement without restricting rotation and longitudinal movement.

[0022] Specifically, Figure 1 This application provides a schematic diagram of a lateral limiting device structure for a large-angle beam end, as shown in the embodiment. Figure 1As shown, the lateral limiting assembly includes a lateral limiting plate 1 and a cantilever limiting plate 2 arranged in the transverse direction of the bridge. The lateral limiting plate 1 is used to be embedded in the end of one of the two beam segments at the large corner, and the cantilever limiting plate 2 is used to be embedded in the end of the other beam segment at the large corner to conform to the docking state of the ends of the two beam segments at the large corner. The free end of the cantilever limiting plate 2 away from the end of the beam segment extends horizontally above the lateral limiting plate 1.

[0023] The rotating assembly includes a steering sleeve 3 that is longitudinally embedded in the top of the transverse limiting plate 1. The axis of the steering sleeve 3 is set along the height direction of the bridge. Based on this structure, the transverse limiting plate 1 can restrict the degree of freedom of the steering sleeve 3 in the transverse and longitudinal directions of the bridge, but retains the degree of freedom of axial rotation of the steering sleeve 3, so that it can only rotate around the axis in place under any working condition. At the same time, the free end of the cantilever limiting plate 2 extending above the transverse limiting plate 1 is embedded in the steering sleeve 3, so that when the two beam segments rotate at the large corner, the cantilever limiting plate 2 synchronously drives the steering sleeve 3 to rotate around the axis, thereby adapting to the rotation dynamics at the large corner of the bridge, effectively releasing stress, and ensuring the safety of the beam.

[0024] Furthermore, since the lateral limiting plate 1 restricts the degrees of freedom of the steering sleeve 3 in both the transverse and longitudinal directions, it can only rotate in place. The cantilever limiting plate 2 is embedded in the steering sleeve 3. Based on this structure, the beam segments connected by the lateral limiting plate 1 and the cantilever limiting plate 2 can also be constrained in the transverse direction to prevent lateral displacement of the two beam segments. At the same time, the embedded connection between the cantilever limiting plate 2 and the steering sleeve 3 retains the degrees of freedom of the beam segments connected by the lateral limiting plate 1 and the cantilever limiting plate 2 in the longitudinal direction, so that it can also adapt to the small relative displacement that may occur between the two beam segments at large corners, and meet the daily expansion and contraction guidance function of the bridge.

[0025] Furthermore, Figure 2 A top view of a lateral limiting device for large-angle beam ends provided in an embodiment of this application, as shown below. Figure 2 As shown, the transverse limiting plate 1 includes a horizontal steel plate 101 and two limiting bosses 102 disposed on the top surface of the horizontal steel plate 101. The horizontal steel plate 101 and the limiting bosses 102 can be integrally formed or separately designed and connected by connecting bolts. This application does not impose any restrictions. The horizontal steel plate 101 and the limiting bosses 102 are both arranged along the transverse bridge direction. Two rotating guide blocks 103 are provided in the gap formed between the two limiting bosses 102. The two rotating guide blocks 103 are also arranged in the transverse bridge direction. The rotating guide blocks 103 and the limiting bosses 102 are connected by fixing bolts to form an integral unit.

[0026] In one possible implementation, the contact surface between the rotating guide block 103 and the limiting boss 102 is set as an inclined surface. Compared with simple planar contact, the inclined surface usually provides a larger effective contact area, so that the lateral force and bending moment can be distributed more evenly. At the same time, under the preload of the fixing bolt, the inclined surface will generate normal pressure, which will be converted into friction between the components, thereby forming a more stable connection and effectively resisting loosening caused by vibration and impact.

[0027] Further details can be found here. Figure 2 Based on the above description, the free end of the cantilever limiting plate 2 is embedded in the steering sleeve 3. Therefore, in this application, in order to reserve space for the embedding of the cantilever limiting plate 2, the steering sleeve 3 in this application is set as a split type, that is, the steering sleeve 3 includes two oppositely arranged arc-shaped blocks 301. The gap between the two arc-shaped blocks 301 is used for the cantilever limiting plate 2 to pass through. The arc-shaped block 301 includes an arc-shaped end and a flat end. The arc-shaped end of the arc-shaped block 301 is used to face the rotating guide block 103, and the flat end of the arc-shaped block 301 is used to face the cantilever limiting plate 2.

[0028] Furthermore, the rotating guide block 103 has an arc-shaped surface on one side away from the limiting boss 102. The arc-shaped surface of the rotating guide block 103 is adapted to the arc-shaped end of the arc block 301 to ensure the normal rotation of the steering sleeve 3.

[0029] Furthermore, the distance between the planar ends of the two arc-shaped blocks 301 is greater than the width of the cantilever limiting plate 2, so that the cantilever limiting plate 2 can pass through. In one possible implementation, a copper-based sliding plate is provided on the mating surface of the planar ends of the two arc-shaped blocks 301, and the stainless steel cladding layer on the surface of the cantilever limiting plate 2 forms a sliding friction pair to ensure the sensitivity of telescopic sliding. The bridge can be regarded as a permanent structure, and it is almost impossible to frequently lubricate and maintain it. The graphite in the copper-based sliding plate provides continuous solid lubrication, ensuring that the sliding surface can always work smoothly during the long-term use of the bridge. At the same time, the stainless steel layer of the cantilever limiting plate 2 is extremely hard, wear-resistant and corrosion-resistant, and can withstand long-term sliding with almost no wear. Even if maintenance is required in the future, only the copper-based sliding plate on the arc-shaped block 301 needs to be replaced, without having to deal with the cantilever limiting plate 2 on the main structure.

[0030] Furthermore, Figure 3 A schematic diagram of the rotating guide block 103 in a lateral limiting device for large-angle beam ends provided in this application embodiment. Figure 4 A schematic diagram of the arc-shaped block 301 in a lateral limiting device for large-angle beam ends provided in an embodiment of this application is shown below. Figure 3 , Figure 4As shown, the rotating sleeve is actually movably mounted on the transverse limiting plate 1 and has no direct connection with the rotating guide block 103. Therefore, in order to prevent the rotating sleeve from easily deviating from the correct position or even detaching from the rotating guide block 103 during rotation and normal expansion and contraction of the bridge, which would lead to the failure of the entire mechanism, in this application, the top of the arc-shaped surface of the rotating guide block 103 is provided with a limiting step portion 104 protruding from the arc-shaped surface, and the outer periphery of the top of the arc-shaped block 301 is provided with a concave edge 302 for cooperating with the limiting step portion 104. The limiting step portion 104 can provide limiting and guiding functions for the arc-shaped block 301. Through mechanical interlocking, it is ensured that the rotating sleeve will not jump off or separate from the rotating guide block 103 under any working condition. At the same time, the concentricity between the rotating sleeve and the rotating guide block 103 is maintained, ensuring the stability of the rotation center, avoiding shaking and jamming during operation, and making the rotation action smooth and precise.

[0031] Furthermore, a first anchoring component 4 is provided at the bottom of the transverse limiting plate 1. The first anchoring component 4 is used to stably connect the transverse limiting plate 1 to the beam segment. Specifically, Figure 5 A schematic diagram of the first anchoring component 4 in a lateral limiting device for large beam-end rotation provided in this application embodiment is shown below. Figure 5 As shown, the first anchoring component 4 includes a horizontally arranged first anchoring steel plate 401. One end of the first anchoring steel plate 401 is embedded in the end of one of the beam segments, and the other end of the first anchoring steel plate 401 protrudes from the end of the beam segment. The first anchoring steel plate 401 is horizontal with the beam surface of the beam segment. A portion of it is embedded from the end of the beam segment, and another portion extends out of the end of the beam segment to support the transverse limiting plate 1. The first anchoring component 4 also includes a first anchoring bolt 402. There are multiple first anchoring bolts 402, which simultaneously penetrate the first anchoring steel plate 401 and the transverse limiting plate 1 longitudinally. At the same time, the portion of the first anchoring steel plate 401 embedded in the beam segment is also provided with first anchoring bolts 402 to penetrate the first anchoring steel plate 401 and enter the concrete of the beam segment.

[0032] Furthermore, Figure 6 A schematic diagram of the cantilever limiting plate structure in a lateral limiting device for large-angle beam ends provided in this application embodiment is shown below. Figure 6 As shown, the cantilever limiting plate 2 includes a protruding embedded end 201 and horizontal anchoring ears 202 located on both sides of the protruding embedded end 201. The top of the protruding embedded end 201 protrudes beyond the horizontal anchoring ears 202 and its longitudinal length is greater than the longitudinal length of the horizontal anchoring ears 202, so that the protruding embedded end 201 protrudes beyond the end face of the horizontal anchoring ears 202 facing the transverse limiting plate 1 and is embedded in the steering sleeve 3. The horizontal anchoring ears 202 are horizontally arranged to provide anchoring support for subsequent anchoring.

[0033] Furthermore, a second anchoring component 5 is provided at the bottom of the cantilever limiting plate 2.Figure 7 A schematic diagram of the second anchoring component 5 in a lateral limiting device for large-angle beam ends provided in this application embodiment is shown below. Figure 7 As shown, the second anchoring component 5 includes a horizontally arranged second anchoring steel plate 501, which is consistent with the first anchoring steel plate 401. Both are partially embedded from the end of the beam segment and extend beyond the end of the beam segment to support the cantilever limiting plate 2. The second anchoring component 5 also includes a second anchoring bolt 502. There are multiple sets of second anchoring bolts 502, which longitudinally penetrate the second anchoring steel plate 501 and the horizontal anchoring lug 202. Similarly, the part of the second anchoring steel plate 501 embedded in the beam segment is also provided with second anchoring bolts 502. In one possible embodiment, the length of the horizontal anchoring lug 202 along the bridge direction is equal to the length of the second anchoring steel plate 501 along the bridge direction.

[0034] Further details can be found here. Figure 6 , Figure 7 The second anchoring steel plate 501 has a protruding guide block 503 in the middle for longitudinal alignment. The bottom of the protruding embedded end 201 of the cantilever limiting plate 2 has a sliding groove 203 for engaging with the protruding guide block 503. The sliding groove 203 is recessed towards the top of the cantilever limiting plate 2 and is also arranged longitudinally. When the bridge expands or contracts, the cantilever limiting plate 2 and the transverse limiting plate 1 move relative to each other longitudinally with the two beam segments. At this time, the cantilever limiting plate 2 slides along the protruding guide block 503. In one possible embodiment, a copper-based sliding plate is also arranged between the protruding guide block 503 and the sliding groove 203 to ensure smooth sliding performance between them.

[0035] Secondly, this application embodiment also provides a bridge, which is provided with the above-mentioned lateral limiting device for the large bend of the beam end at the large bend of the bridge. Specifically, in the two beam segments at the large bend of the bridge, a lateral limiting plate 1 is anchored on the end face of one beam segment, and a cantilever limiting plate 2 is anchored on the end face of the other beam segment.

[0036] In the description of this application, 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 application 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 application. 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 communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0037] It should be noted that in this application, 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.

[0038] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. 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 this application. Therefore, this application 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 claimed herein.

Claims

1. A lateral limiting device for large-angle beam ends, characterized in that, include: The limiting assembly includes a lateral limiting plate (1) for connecting the end of one beam segment and a cantilever limiting plate (2) for connecting the end of another beam segment, and the free end of the cantilever limiting plate (2) extends horizontally above the lateral limiting plate (1). The rotating assembly includes a steering sleeve (3) that is longitudinally embedded in the top of the transverse limiting plate (1) and can rotate around an axis, wherein the free end of the cantilever limiting plate (2) is embedded in the steering sleeve (3).

2. The lateral limiting device for large-angle beam ends as described in claim 1, characterized in that: The transverse limiting plate (1) includes a horizontal steel plate (101) and two protruding blocks (102) for transverse bridge direction on the top surface of the horizontal steel plate (101). Two rotating guide blocks (103) arranged along the transverse bridge direction are provided between the two protruding blocks (102).

3. The lateral limiting device for large-angle beam ends as described in claim 2, characterized in that: The rotating guide block (103) has an arc-shaped surface on one side away from the limiting boss (102), and the steering sleeve (3) is located between the two rotating guide blocks (103).

4. The lateral limiting device for large-angle beam ends as described in claim 3, characterized in that: The steering sleeve (3) includes two opposing arc-shaped blocks (301), the arc-shaped end of the arc-shaped block (301) is used to fit with the arc-shaped surface of the rotating guide block (103), and the free end of the cantilever limiting plate (2) is embedded between the two arc-shaped blocks (301).

5. The lateral limiting device for large-angle beam ends as described in claim 4, characterized in that: The top of the arc-shaped surface of the rotating guide block (103) is provided with a limiting step portion (104) protruding from the arc-shaped surface, and the outer periphery of the top of the arc block (301) is provided with a recessed edge (302) for cooperating with the limiting step portion (104).

6. The lateral limiting device for large-angle beam ends as described in claim 1, characterized in that: The bottom of the transverse limiting plate (1) is provided with a first anchoring component (4). The first anchoring component (4) includes a first anchoring steel plate (401) arranged horizontally and a first anchoring bolt (402) passing through the first anchoring steel plate (401) and the transverse limiting plate (1). One end of the first anchoring steel plate (401) is embedded in the end of one of the beam segments, and the other end of the first anchoring steel plate (401) is used to protrude from the end of the beam segment.

7. The lateral limiting device for large-angle beam ends as described in claim 1, characterized in that: The cantilever limiting plate (2) includes a protruding embedded end (201) and horizontal anchor ears (202) located on both sides of the protruding embedded end (201). The protruding embedded end (201) protrudes from the end face of the horizontal anchor ears (202) facing the transverse limiting plate (1) and is embedded in the steering sleeve (3).

8. The lateral limiting device for large-angle beam ends as described in claim 7, characterized in that: The bottom of the cantilever limiting plate (2) is provided with a second anchoring component (5). The second anchoring component (5) includes a horizontally arranged second anchoring steel plate (501) and a second anchoring bolt (502) that passes through the second anchoring steel plate (501) and the horizontal anchoring ear (202). One end of the second anchoring steel plate (501) is embedded in the end of another beam segment, and the other end of the second anchoring steel plate (501) is used to protrude from the end of the beam segment.

9. A lateral limiting device for large-angle beam ends as described in claim 8, characterized in that: The second anchoring steel plate (501) has a protruding guide block (503) in the middle for arrangement along the bridge direction, and the bottom of the protruding embedded end (201) has a sliding groove (203) for cooperating with the protruding guide block (503).

10. A bridge, characterized in that, The bridge is provided with a transverse limiting device for the large bend of the beam end as described in any one of claims 1 to 9 at the large bend of the bridge. In the two beam segments at the large bend of the bridge, a transverse limiting plate (1) is anchored on the end face of one beam segment and a cantilever limiting plate (2) is anchored on the end face of the other beam segment.

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