Reinforcing structure based on bridge expansion joint splicing

Abstract

The utility model provides a reinforcing structure based on bridge expansion joint splicing, and relates to the technical field of bridge engineering, the reinforcing structure comprises a first bridge and a reinforcing assembly, the right side of the first bridge is provided with a second bridge, an expansion joint bottom groove is arranged between the first bridge and the second bridge, and the top of the expansion joint bottom groove is provided with a mounting cavity; a mounting cavity is formed between the first bridge and the second bridge, steel plate reinforcing layers are arranged at the positions, close to the two sides, of the interior of the mounting cavity, side face reinforcing mounting layers are mounted on the inner side walls of the two steel plate reinforcing layers correspondingly, and a movable body is arranged between the two side face reinforcing mounting layers, and the steel plate reinforcing layers, the side face reinforcing mounting layers and auxiliary fixing steel plates are arranged between the first bridge and the second bridge; and the extension assembly is arranged at the top of the inclined plate, the extension assembly can cover the reinforcing assembly used for connecting the inclined plate and the extension assembly, the purpose of guiding vehicles to pass is achieved, wheels can smoothly transit along the inclined plate, and the vehicle bumping phenomenon is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field especially relates to a reinforcing structure based on bridge expansion joint splicing. BACKGROUND

[0002] The expansion joint of building is expansion joint, it is the structural joint that is set to prevent the structural crack or damage of building component due to the temperature change (thermal expansion, cold shrink) of climate along the appropriate position of building or construction joint direction. Expansion joint is to divide the building component above foundation such as wall, floor, roof (except wood roof) into two independent parts, so that the building or construction can do horizontal expansion along the length direction.

[0003] In bridge engineering, expansion joint plays a vital role. It can adapt to the expansion deformation of bridge under the action of temperature change, vehicle load and other factors, guarantee the stability of bridge structure and the comfort of driving, however, the traditional bridge expansion joint structure has some problems in the long-term use.

[0004] The connection between bridge expansion joint components is not close enough, often independent parts, only adopt the way of bolt or steel bar binding and bridge bottom interconnection, and the connecting parts between side surfaces are often not close enough, which leads to the expansion joint to appear loose, displacement and other phenomena under the influence of frequent vehicle passing and environmental factors, for example, when the temperature changes sharply, due to the non-synergistic connection of each part, the expansion of expansion joint cannot match the overall deformation of bridge well, which may cause the expansion joint component to be stretched or compressed too much, thereby accelerating the aging and damage of expansion joint component and reducing the service life of expansion joint.

[0005] Therefore, we propose a reinforcing structure based on bridge expansion joint splicing. CONTENT OF UTILITY MODEL

[0006] The utility model aims at solving the shortcomings in the prior art, the connection between bridge expansion joint components is not close enough, often independent parts, only adopt the way of bolt or steel bar binding and bridge bottom interconnection, and the connecting parts between side surfaces are often not close enough, which leads to the expansion joint to appear loose, displacement and other phenomena under the influence of frequent vehicle passing and environmental factors.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a reinforced structure based on bridge expansion joint splicing, including first bridge and reinforcing assembly, the right side of first bridge is equipped with second bridge, is equipped with expansion joint bottom groove between first bridge and second bridge, the top of expansion joint bottom groove is equipped with installation cavity, the inside of installation cavity and near both sides are equipped with steel plate reinforcing layer, the inboard wall of two steel plate reinforcing layers all is installed with side reinforcing installation layer, is equipped with movable body between two side reinforcing installation layers, two side reinforcing installation layers respectively through two groups of reinforcing assembly with two steel plate reinforcing layers and first bridge and second bridge between fixed, single reinforcing assembly is used for with the side reinforcing installation layer of movable body side steel plate reinforcing layer and first bridge between each other connection and fixed,

[0009] The top of the first bridge and the second bridge is provided with an extension assembly at the connection of the two steel plate reinforcing layers and the side reinforcing installation layers, and the two extension assemblies are fixed in the two steel plate reinforcing layers and the side reinforcing installation layers by two groups of auxiliary fixing assemblies.

[0010] As a preferred scheme of the utility model, the reinforcing assembly comprises an auxiliary fixing steel plate, the auxiliary fixing steel plate is in an I-shaped form, one end of the auxiliary fixing steel plate is inserted into the first bridge, and the auxiliary fixing steel plate penetrates through the steel plate reinforcing layer and the side reinforcing installation layer and is installed in the movable body.

[0011] As a preferred scheme of the utility model, the first bridge and the second bridge are completely identical in structure, the top of the first bridge, the steel plate reinforcing layer and the side reinforcing installation layer are all provided with an installation groove, and a plurality of locking rods are installed in the installation groove.

[0012] As a preferred scheme of the utility model, the plurality of locking rods are connected with the first bridge by penetrating through the auxiliary fixing steel plate, thereby connecting and fixing the first bridge, the auxiliary fixing steel plate, the steel plate reinforcing layer and the side reinforcing installation layer.

[0013] As a preferred scheme of the utility model, a supporting steel plate is further installed in the movable body, the supporting steel plate is completely coupled with the movable body, the movable body is further provided with a first flexible connector on both sides, and a second flexible connector is further provided on the bottom of the movable body.

[0014] As a preferred scheme of the utility model, the movable body, the first flexible connector and the second flexible connector are integrally designed, and are all made of rubber, and the two first flexible connectors are fixedly connected with the two movable bodies.

[0015] As the preferred scheme of the utility model, the extension assembly includes a fixing piece, a second bridge is installed at the connecting position of the fixing piece, and the fixing piece and the inclined plate are designed in an integrated manner.

[0016] As the preferred scheme of the utility model, the auxiliary fixing assembly includes a plurality of locking lead screws, locking sleeves are arranged at the connecting positions of the locking lead screws, the outer side of the locking lead screw, the inner ring and the outer side of the movable body are all threaded, a plurality of threaded grooves are formed in the steel plate reinforcing layer and the side reinforcing installation layer, the threaded grooves are designed in a two-end type, the threaded grooves are used for mounting the locking lead screws, the locking lead screws and the threaded grooves are threadedly connected with each other, the locking sleeves are arranged on the outer sides of the locking lead screws, and the outer sides of the locking sleeves and the outer sides of the threaded grooves are threadedly connected with each other.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] In the utility model, the steel plate reinforcing layer, the side reinforcing installation layer and the auxiliary fixing steel plate are arranged between the first bridge and the second bridge, so that the strength is greatly improved, the extension assembly is arranged at the top, the reinforcing assembly for connecting the first bridge and the second bridge is covered, the extension assembly also has the purpose of guiding the vehicle to pass, the wheels can smoothly pass along the inclined plate, the phenomenon of jumping is effectively avoided, the first bridge, the second bridge, the steel plate reinforcing layer, the side reinforcing installation layer, the auxiliary fixing steel plate and the movable body are connected into an integral whole by the reinforcing assembly, the overall structure and stability are greatly improved, the connection mode enables the parts to work cooperatively, better responds to the influence of temperature change and vehicle load, the overall structure can synchronously stretch and contract when the temperature changes, the internal stress concentration caused by inconsistent stretching is avoided, the possibility of damage between the assemblies caused by excessive deformation is reduced, the service life is effectively prolonged, the overall structure can evenly share the pressure under the action of the vehicle load, the local stress is prevented from being too large, and the normal function and structural safety of the expansion joint are further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A main structure schematic view of the reinforcing structure based on the bridge expansion joint splicing is provided in the utility model;

[0020] Figure 2 A main structure schematic view of the reinforcing structure based on the bridge expansion joint splicing is provided in the utility model; Figure 1 An enlarged schematic view of the structure at A in the utility model;

[0021] Figure 3 A front first cross-sectional structure schematic view of the reinforcing structure based on the bridge expansion joint splicing is provided in the utility model;

[0022] Figure 4 The utility model provides a reinforcing structure based on bridge expansion joint splicing Figure 3 The structure enlarged view at B is shown in the figure.

[0023] Figure 5 The front second sectional view of the reinforcing structure based on bridge expansion joint splicing is shown in the figure.

[0024] Figure 6 The utility model provides a reinforcing structure based on bridge expansion joint splicing Figure 5 The structure enlarged view at C is shown in the figure.

[0025] Figure 7 The structure explosion schematic view of the reinforcing structure based on bridge expansion joint splicing is shown in the figure.

[0026] Legend: 1, first bridge; 2, second bridge; 3, expansion joint bottom groove; 4, installation cavity; 5, steel plate reinforcing layer; 6, side reinforcing installation layer; 7, installation groove; 8, auxiliary fixed steel plate; 9, locking rod; 10, locking cap; 11, fixed part; 12, inclined plate; 14, locking screw; 15, locking sleeve; 16, movable body; 17, first soft connecting body; 18, second soft connecting body; 19, supporting steel plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, but not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the related utility model, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the text. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the application, the terms "and / or" includes any and all combinations of one or more of the associated listed items.

[0031] Embodiment

[0032] As Figures 1-7 shown, the utility model provides a technical scheme: a reinforcing structure based on bridge expansion joint splicing, it mainly comprises first bridge 1, reinforcing component etc, the right side of first bridge 1 sets up second bridge 2, and there is expansion joint bottom groove 3 between first bridge 1 and second bridge 2, this is to reserve the space for accommodating the expansion and contraction of bridge under different environments.

[0033] Expansion joint bottom groove 3's top is equipped with installation cavity 4, and installation cavity 4 provides position for the subsequent installation reinforcing related structure, and is equipped with steel plate reinforcing layer 5 in installation cavity 4 inside and close to both sides, and steel plate reinforcing layer 5 can enhance the strength of structure, bears the action from vehicle and other external force.

[0034] The inner side wall of two steel plate reinforcing layers 5 is equipped with side reinforcing installation layer 6, and side reinforcing installation layer 6 further strengthens the stability of structure, and together with steel plate reinforcing layer 5 provides the basis for the support and fixation of other components.

[0035] Two side reinforcing installation layers 6 are equipped with movable body 16 between, and movable body 16 plays a key role in the expansion and contraction of expansion joint, and two side reinforcing installation layers 6 are fixed between two steel plate reinforcing layers 5 and first bridge 1 and second bridge 2 through two groups of reinforcing components, and this fixing mode makes the whole structure form an organic whole, and single reinforcing component is used to connect and fix side reinforcing installation layer 6 of one side of movable body 16 between steel plate reinforcing layer 5 and first bridge 1, to ensure that each part can work cooperatively when stressed.

[0036] Reinforcing component includes auxiliary fixed steel plate 8, and auxiliary fixed steel plate 8 is in the shape of H, and this shape design makes it better connect with different structural components, and one end of auxiliary fixed steel plate 8 is inserted in the inside of first bridge 1, and the reinforcing component is closely connected with the bridge main body through this mode, and auxiliary fixed steel plate 8 penetrates steel plate reinforcing layer 5 and side reinforcing installation layer 6 and is installed in the inside of movable body 16, so that the bridge, steel plate reinforcing layer 5, side reinforcing installation layer 6 and movable body 16 are effectively connected together, and when external force acts on the structure, the force can be transmitted and dispersed between each component through auxiliary fixed steel plate 8, to enhance the bearing capacity of the whole structure.

[0037] The first bridge 1 and the second bridge 2 are completely identical in structure, which ensures the uniformity of stress on both sides of the whole expansion joint, the top of the first bridge 1, the steel plate reinforcing layer 5 and the side reinforcing installation layer 6 are provided with installation grooves 7, the installation grooves 7 provide positions for installing the locking rods 9, a plurality of locking rods 9 are installed in the three installation grooves 7, locking caps 10 are arranged at the connection positions of the plurality of locking rods 9, the plurality of locking rods 9 are connected with the auxiliary fixing steel plate 8 and the first bridge 1, thereby connecting and fixing the first bridge 1, the auxiliary fixing steel plate 8, the steel plate reinforcing layer 5 and the side reinforcing installation layer 6, the cooperation of the locking rods 9 and the locking caps 10 increases the fastening of the connection, preventing relative displacement between the components. Under the action of external forces such as vehicle load and temperature change, this connection mode can maintain the integrity of the structure, so that the components can bear force cooperatively.

[0038] The inside of the movable body 16 is also provided with a supporting steel plate 19, which is completely coupled with the movable body 16. The supporting steel plate 19 can provide internal support for the movable body 16, thereby enhancing the compression resistance and stability of the movable body 16. The movable body 16 is also provided with a first soft connecting body 17 on both sides and a second soft connecting body 18 at the bottom. The movable body 16, the first soft connecting body 17 and the second soft connecting body 18 are designed in an integrated manner and are made of rubber, which has good elasticity and flexibility. The two first soft connecting bodies 17 are fixedly connected with the two movable bodies 16. This design enables the movable body 16 to better adapt to deformation during the expansion and contraction of the expansion joint, and the soft connecting bodies can buffer the impact force on the movable body 16 when vehicles pass through, thereby protecting the movable body 16 and the whole expansion joint structure.

[0039] The extension assembly includes a fixing member 11, the connection position of the fixing member 11 is provided with the second bridge 2, and the fixing member 11 and the inclined plate 12 are designed in an integrated manner. The extension assembly plays two important roles in the structure. One is to cover the reinforcing assembly for connecting other components, making the structure more beautiful and regular. The other is to guide the vehicle to pass through. The wheels can smoothly pass along the inclined plate 12, effectively avoiding the phenomenon of jumping. The design of the inclined plate 12 changes the groove or uneven structure that may exist at the top of the traditional expansion joint, making the vehicle pass more smoothly.

[0040] The auxiliary fixing assembly includes a plurality of locking lead screws 14, the connection positions of the plurality of locking lead screws 14 are provided with locking sleeves 15, the outer side of a single locking lead screw 14 and the inner circle and the outer side of a single movable body 16 are threaded, a plurality of threaded grooves are formed in the steel plate reinforcing layer 5 and the side reinforcing installation layer 6, and the threaded grooves are designed in a two-end type.

[0041] A plurality of threaded grooves are used to install a plurality of locking screws 14, which are threadedly connected with the plurality of threaded grooves, and the inside of the plurality of locking sleeves 15 is sleeved with the outside of the locking screws 14, and the outside of the locking sleeves 15 is threadedly connected with the outside of the threaded grooves.

[0042] The threaded grooves are designed in two sections, one section is installed inside the steel plate reinforcing layer 5, but only embedded in the section inside the steel plate reinforcing layer 5, and the other section is opened inside the side reinforcing installation layer 6 and penetrates through the side reinforcing installation layer 6, and the diameter of the threaded grooves of the section of the side reinforcing installation layer 6 is larger than that of the section inside the steel plate reinforcing layer 5. During installation, the locking screw 14 needs to be initially installed first, the tail end of the locking screw 14 will be initially connected and fixed with the threaded grooves at the section of the steel plate reinforcing layer 5, at this time the locking sleeve 15 is installed, at this time the outside threads of the locking sleeve 15 will be connected with the threaded grooves of the section of the side reinforcing installation layer 6, and the inner circle will be connected with the outside of the locking screw 14, thereby realizing the mutual connection and fixation of the locking screw 14, the locking sleeve 15, the side reinforcing installation layer 6, the steel plate reinforcing layer 5 and the fixing member 11, and achieving the effect of further auxiliary fixation and separate fixation of the fixing member 11. This complex connection mode enhances the stability of the entire structure through the mutual cooperation between multiple components, especially for the fixation of the extension assembly, which ensures its firmness during use.

[0043] In summary, during installation, first, the steel plate reinforcing layer 5 is installed on both sides of the installation cavity 4, then the side reinforcing installation layer 6 is installed on the inner side wall of the steel plate reinforcing layer 5, and then the movable body 16 is placed between the two side reinforcing installation layers 6.

[0044] One end of the auxiliary fixing steel plate 8 (I-shaped) is inserted into the inside of the first bridge 1, then penetrates through the steel plate reinforcing layer 5 and the side reinforcing installation layer 6 in turn, and is installed inside the movable body 16, completing the initial installation of the reinforcing assembly, then a plurality of locking rods 9 are installed in the installation grooves 7 on the top of the first bridge 1, the steel plate reinforcing layer 5 and the side reinforcing installation layer 6, so that the locking rods 9 penetrate through the auxiliary fixing steel plate 8 and are connected with the first bridge 1, and are fastened by the locking cap 10, further strengthening the connection.

[0045] The support steel plate 19 is installed inside the movable body 16, ensuring that the support steel plate 19 is completely coupled with the movable body 16, enhancing the strength of the movable body 16, and the first and second soft connecting bodies 17 and 18 on both sides and the bottom of the movable body 16 are integrated as a one-piece rubber structure, and together with the movable body 16 form a whole with elasticity and buffering capacity.

[0046] The installation of the extension assembly connects the fixing member 11 at the corresponding position, since the fixing member 11 and the inclined plate 12 are integrally designed, the inclined plate 12 can guide the passing of the vehicle, then the installation of the auxiliary fixing assembly is carried out, the locking screw rod 14 is inserted into the threaded groove in the steel plate reinforcing layer 5 for preliminary fixation, then the locking sleeve 15 is sleeved on the locking screw rod 14, the outer side of the locking sleeve 15 is connected with the threaded groove of the side reinforcing installation layer 6, and the inner ring is connected with the locking screw rod 14, so that the locking screw rod 14, the locking sleeve 15, the side reinforcing installation layer 6, the steel plate reinforcing layer 5 and the fixing member 11 are connected and fixed with each other, and the installation of the whole reinforcing structure is completed.

[0047] During the use of the bridge, when the vehicle passes, the wheel first contacts the inclined plate 12 of the extension assembly, can smoothly transition, avoids the vehicle jumping, the vehicle load is transmitted to the underlying structure through the inclined plate 12, and is transmitted to the whole structure composed of the first bridge 1, the second bridge 2, the steel plate reinforcing layer 5, the side reinforcing installation layer 6 and the movable body 16 through the reinforcing assembly (auxiliary fixing steel plate 8 and locking rod 9 etc.), when the temperature changes, the movable body 16 can stretch and contract between the side reinforcing installation layers 6 under the assistance of the first soft connecting body 17 and the second soft connecting body 18, the whole structure synchronously stretches and contracts, stress concentration caused by inconsistent stretching and contraction is avoided, each component cooperates, the normal function of the expansion joint and the structural safety are ensured.

[0048] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A reinforcement structure based on bridge expansion joint splicing, comprising a first bridge (1) and reinforcement components, characterized in that: A second bridge (2) is provided on the right side of the first bridge (1). An expansion joint bottom groove (3) is provided between the first bridge (1) and the second bridge (2). An installation cavity (4) is provided at the top of the expansion joint bottom groove (3). A steel plate reinforcement layer (5) is provided inside the installation cavity (4) and near both sides. A side reinforcement installation layer (6) is installed on the inner side wall of each of the two steel plate reinforcement layers (5). A movable body (16) is provided between the two side reinforcement installation layers (6). The two side reinforcement installation layers (6) are respectively fixed to the two steel plate reinforcement layers (5) and the first bridge (1) and the second bridge (2) by two sets of reinforcement components. A single reinforcement component is used to connect and fix the side reinforcement installation layer (6) on one side of the movable body (16) to the steel plate reinforcement layer (5) and the first bridge (1). The first bridge (1) and the second bridge (2) are provided with extension components at the top and at the connection with the two steel plate reinforcement layers (5) and the side reinforcement installation layer (6). The two extension components are fixed inside the two steel plate reinforcement layers (5) and the side reinforcement installation layer (6) by two sets of auxiliary fixing components. The extension components are used to assist vehicles in passing.

2. The reinforcement structure based on bridge expansion joint splicing according to claim 1, characterized in that: The reinforcement component includes an auxiliary fixing steel plate (8), which is I-shaped. One end of the auxiliary fixing steel plate (8) is inserted into the interior of the first bridge (1) and is installed inside the movable body (16) through the steel plate reinforcement layer (5) and the side reinforcement installation layer (6).

3. The reinforcement structure based on bridge expansion joint splicing according to claim 2, characterized in that: The first bridge (1) and the second bridge (2) have the same structure. The top of the first bridge (1), the steel plate reinforcement layer (5) and the side reinforcement installation layer (6) are all provided with installation grooves (7). Several locking rods (9) are installed inside the three installation grooves (7). Locking caps (10) are provided at the connection of the several locking rods (9).

4. A reinforcement structure based on bridge expansion joint splicing according to claim 3, characterized in that: Several locking rods (9) pass through the auxiliary fixing steel plate (8) and connect to the first bridge (1), thereby connecting and fixing the first bridge (1), the auxiliary fixing steel plate (8), the steel plate reinforcement layer (5) and the side reinforcement installation layer (6).

5. A reinforcement structure based on bridge expansion joint splicing according to claim 1, characterized in that: The movable body (16) is also equipped with a support steel plate (19) inside, and the support steel plate (19) is fully coupled with the movable body (16). The movable body (16) is also provided with a first flexible connector (17) on both sides and a second flexible connector (18) at the bottom.

6. A reinforcement structure based on bridge expansion joint splicing according to claim 5, characterized in that: The movable body (16), the first flexible connector (17), and the second flexible connector (18) are designed as a single unit and are all made of rubber. The two first flexible connectors (17) are fixedly connected to the two movable bodies (16).

7. A reinforcement structure based on bridge expansion joint splicing according to claim 6, characterized in that: The extension component includes a fastener (11), a second bridge (2) is installed at the connection of the fastener (11), and the fastener (11) and the inclined plate (12) are designed as a single unit.

8. A reinforcement structure based on bridge expansion joint splicing according to claim 7, characterized in that: The auxiliary fixing assembly includes several locking screws (14), and each of the locking screws (14) is provided with a locking sleeve (15). The outer side of each locking screw (14) and the inner and outer rings of each movable body (16) are threaded. The steel plate reinforcement layer (5) and the side reinforcement mounting layer (6) are provided with several threaded grooves. The threaded grooves are designed with two ends. The several threaded grooves are used to install several locking screws (14). The several locking screws (14) and the several threaded grooves are threadedly connected to each other. The inner sleeves (15) of the several locking sleeves (15) are sleeved and connected to the outer side of the locking screws (14), and the outer side of the locking sleeves (15) and the outer side of the threaded grooves are threadedly connected to each other.

Images