Adjustable anti-seepage connecting structure for bridge expansion joint

CN224930941UActive Publication Date: 2026-11-03SHANDONG DEHAN ROAD & BRIDGE ENGINEERING CO LTD
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Patent Information

Application Number
CN202522616935.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-10
Publication Date
2026-11-03
Estimated Expiration
2035-12-10

AI Technical Summary

Technical Problem

In existing bridge expansion joint seepage prevention connection structures, the contact area between the sealing strip and the fixing components is limited, and the tightness of the fit is insufficient, which makes the sealing strip prone to displacement or detachment, affecting the seepage prevention effect.

Method used

An adjustable seepage-proof connection structure for bridge expansion joints was designed, including a fixing part and an adjusting part. Through the special shape design of the support component and the sealing component, the contact area of ​​the sealing strip is increased. And through the cooperation of the threaded rod and the U-shaped rod, the sealing strip can be adaptively stretched when the bridge expansion joint deforms, ensuring the effective fit between the sealing strip and the expansion joint.

Benefits of technology

It enhances the fixing stability and tightness of the sealing strip, preventing displacement or detachment during use, ensuring reliable connection of bridge expansion joints during deformation, and preventing leakage.

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Abstract

The utility model discloses a bridge expansion joint is with adjustable anti -infiltration connecting structure relates to bridge expansion joint anti -infiltration structure technical field, the utility model discloses a plurality of crossbeam still includes: fixed portion is provided with a plurality of, and a plurality of fixed portions are arranged on a plurality of crossbeam respectively, adjustment portion is provided with a plurality of, and a plurality of adjustment portions are installed on a plurality of crossbeam respectively, the fixed portion includes support subassembly, and support subassembly is installed on the crossbeam, sealing assembly is arranged on support subassembly, support subassembly includes the T shaped support rod of fixed connection in the crossbeam top. The utility model discloses through setting fixed portion, solved the current anti -infiltration connecting structure in the use process, and the contact area of sealing band and fixed component is limited, and the close -fitting compactness is insufficient, leads to sealing band to be easy to displace even to fall off, and then influence the problem of anti -infiltration effect.
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Description

Technical Field

[0001] This utility model belongs to the technical field of bridge expansion joint seepage prevention structure, and in particular relates to an adjustable seepage prevention connection structure for bridge expansion joints. Background Technology

[0002] With the rapid advancement of transportation infrastructure construction, bridges, as key hub projects, have received much attention for their service safety and durability. As a core component that adapts to bridge deformation and mitigates the impact of traffic, the anti-seepage performance of bridge expansion joints directly affects the service life of the main bridge structure. Therefore, reliable adjustable anti-seepage connection structures for bridge expansion joints are needed to ensure project quality.

[0003] However, in the use of existing seepage-proof connection structures, the contact area between the sealing strip and the fixed components is limited, and the tightness of the fit is insufficient, which makes the sealing strip prone to displacement or even detachment, thus affecting the seepage-proof effect. Utility Model Content

[0004] The purpose of this utility model is to provide an adjustable anti-seepage connection structure for bridge expansion joints. By setting a fixing part, it solves the problem that in the existing anti-seepage connection structure, the contact area between the sealing strip and the fixing part is limited and the tightness of the fit is insufficient, which makes the sealing strip easy to shift or even fall off, thus affecting the anti-seepage effect.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to an adjustable seepage-proof connection structure for bridge expansion joints, comprising several crossbeams, and further comprising: a fixing part, wherein several fixing parts are respectively disposed on several crossbeams; an adjusting part, wherein several adjusting parts are respectively disposed on several crossbeams; the fixing part includes a support assembly, wherein the support assembly is mounted on the crossbeams; and a sealing assembly, wherein the sealing assembly is disposed on the support assembly; the support assembly includes a T-shaped support rod fixedly connected to the top of the crossbeams, wherein the T-shaped support rod has two rectangular holes and two hook-shaped holes I, which are respectively connected to the two rectangular holes; and an mounting component is disposed on the T-shaped support rod; the two rectangular holes and the two hook-shaped holes I are mirror images of each other; the mounting component includes a support rod fixedly connected to the top of two fixing seats, wherein both support rods have L-shaped holes and two hook-shaped holes II, which are respectively connected to the two hook-shaped holes II; and the two support rods are mirror images of each other.

[0006] Furthermore, the adjusting part includes a sliding assembly mounted on the crossbeam and a fixing assembly disposed on the sliding assembly.

[0007] Furthermore, the sealing assembly includes two silicone sealing strips disposed on the top of the crossbeam; the two silicone sealing strips are mirror images of each other.

[0008] Furthermore, the sliding assembly includes two rectangular slots formed on the crossbeam, each containing a limiting plate slidably connected to it. A rectangular sliding rod is fixedly connected to the opposite side of each limiting plate, and the opposite side of each rectangular sliding rod extends outwards from the crossbeam. Both rectangular sliding rods are slidably connected to the crossbeam, and a fixing seat is fixedly connected to the outer wall of each rectangular sliding rod. The two fixing seats are located on the front and rear sides of the crossbeam, respectively, and the two rectangular slots are mirror images of each other, enabling adjustment of the sealing strip tension.

[0009] Furthermore, the fixing component includes threaded rods respectively fixedly connected to the bottom of two fixing seats, and a connector is provided on the side of the two fixing seats that are far apart from each other; the two threaded rods are mirror images of each other, and the connector includes U-shaped rods respectively fixedly connected to the side of the two fixing seats that are far apart from each other; the two U-shaped rods are mirror images of each other, and the threaded rods are fixed to the bottom of the fixing seats, cooperating with the concrete anchor to improve the installation reliability.

[0010] This utility model has the following beneficial effects: 1. By setting a fixing part, the silicone sealing strip is inserted into the L-shaped hole and hook-shaped hole 2 of the support rod, and the rectangular hole and hook-shaped hole 1 of the T-shaped support rod. The C-shaped and L-shaped structures formed by the two sets of holes are used to fix it. At the same time, the contact area between the sealing strip and the two sets of support rods is increased under tension. The special shape improves the fixing stability of the sealing strip and avoids displacement or falling off during use. The increased contact area enhances the tightness of the sealing strip and ensures that the structure can maintain a reliable connection when the expansion joint deforms. 2. By setting an adjustment section, during use, the fixing device is first fixed by the threaded rod at the bottom of the fixing seat and the U-shaped rod welded to the steel bars in the bridge expansion joint, and then concrete is injected to complete the anchoring of the two. When the bridge expansion joint increases, the bridge drives the fixing seat to move. The fixing seat drives the limiting plate to slide in the rectangular groove through the rectangular sliding rod, and at the same time drives the support rod away from the T-shaped support rod, stretching the silicone sealing strip to adapt to the change of the expansion joint spacing. This allows the sealing strip to adaptively stretch with the expansion joint spacing, adapting to deformation requirements and maintaining effective contact between the sealing strip and the expansion joint throughout the process, avoiding leakage gaps due to changes in spacing.

[0011] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying 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.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial structural diagram of the fixing part of this utility model; Figure 3 This is a partial exploded structural diagram of the fixing part of this utility model; Figure 4 This utility model Figure 3 A magnified structural diagram of A in the middle; Figure 5 This utility model Figure 3 A magnified structural diagram of B in the diagram; Figure 6 This is a partial cross-sectional view of the adjustment part of this utility model; Figure 7 This is a partial cross-sectional exploded view of the adjustment part of this utility model.

[0014] The attached diagram lists the components represented by each number as follows: 111. Crossbeam; 2. Fixing part; 21. Support assembly; 211. T-shaped support rod; 212. Rectangular hole; 213. Hook-shaped hole one; 214. Support rod; 215. L-shaped hole; 216. Hook-shaped hole two; 22. Sealing assembly; 221. Silicone sealing strip; 3. Adjusting part; 31. Sliding assembly; 311. Rectangular groove; 312. Limiting plate; 313. Rectangular slide rod; 314. Fixing seat; 32. Fixing assembly; 321. Threaded rod; 322. U-shaped rod. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1-7As shown, this utility model is an adjustable anti-seepage connection structure for bridge expansion joints, including several crossbeams 111, and also includes: a fixing part 2, of which several fixing parts 2 are provided, and the several fixing parts 2 are respectively provided on several crossbeams 111; and an adjusting part 3, of which several adjusting parts 3 are provided, and the several adjusting parts 3 are respectively installed on several crossbeams 111.

[0017] The fixing part 2 includes a support assembly 21, which is mounted on the crossbeam 111; and a sealing assembly 22, which is disposed on the support assembly 21. The support assembly 21 includes a T-shaped support rod 211 fixedly connected to the top of the crossbeam 111. The T-shaped support rod 211 has two rectangular holes 212 and two hook-shaped holes 213, which are respectively connected to the two rectangular holes 212. The T-shaped support rod 211 is provided with mounting parts. The two rectangular holes 212 and the two hook-shaped holes 213 are mirror images of each other. The mounting parts include two fixed bases 31 respectively. 4. The top support rods 214 each have L-shaped holes 215 and hook-shaped holes 216. The two L-shaped holes 215 are connected to the two hook-shaped holes 216 respectively. The two support rods 214 are mirror images of each other. The sealing assembly 22 includes two silicone sealing strips 221 set on the top of the crossbeam 111. The two silicone sealing strips 221 are mirror images of each other. By setting the fixing part 2, the special shape improves the fixing stability of the sealing strip, avoids displacement or falling off during use, increases the contact area, enhances the tightness of the sealing strip, and ensures that the structure can still maintain a reliable connection when the expansion joint deforms.

[0018] The adjusting part 3 includes a sliding assembly 31, which is mounted on the crossbeam 111; and a fixing assembly 32, which is disposed on the sliding assembly 31. The sliding assembly 31 includes two rectangular slots 311 formed on the crossbeam 111. Each of the two rectangular slots 311 is slidably connected to a limiting plate 312. A rectangular slide rod 313 is fixedly connected to the side of each limiting plate 312 that is away from each other. The side of each rectangular slide rod 313 that is away from each other extends outside the crossbeam 111. Both rectangular slide rods 313 are slidably connected to the crossbeam 111. A fixing seat 314 is fixedly connected to the outer wall of each rectangular slide rod 313. The two fixing seats 314 are... Located on the front and rear sides of the crossbeam 111, the two rectangular grooves 311 are mirror images of each other. The fixing component 32 includes threaded rods 321 that are fixedly connected to the bottom of the two fixing seats 314 respectively. A connector is provided on the side of the two fixing seats 314 that is far apart from each other. The two threaded rods 321 are mirror images of each other. The connector includes U-shaped rods 322 that are fixedly connected to the side of the two fixing seats 314 that is far apart from each other respectively. The two U-shaped rods 322 are mirror images of each other. By setting the adjustment part 3, the sealing strip can be adaptively stretched according to the expansion joint spacing to adapt to deformation requirements and maintain effective contact between the sealing strip and the expansion joint throughout the process, avoiding leakage gaps due to changes in spacing.

[0019] One specific application of this embodiment is as follows: In use, the device is fixed between bridge expansion joints via the threaded rod 321 at the bottom of the fixing seat 314. The U-shaped rod 322 is welded to the reinforcing steel bars inside the bridge expansion joint. Concrete is then injected to fix the threaded rod 321 and the U-shaped rod 322 inside the bridge expansion joint. The silicone sealing strip 221 is inserted through the L-shaped hole 215 and the second hook-shaped hole 216 on the support rod 214, and on the other side through the rectangular hole 212 and the first hook-shaped hole 213 on the T-shaped support rod 211. With the cooperation of the first hook-shaped hole 213 and the second hook-shaped hole 216, the silicone sealing strip 221 is fixed, thus securing the bridge expansion joint. When the bridge expands, the bridge moves the fixed seat 314 via the threaded rod 321 and the U-shaped rod 322. The fixed seat 314 moves the limiting plate 312 within the rectangular groove 311 via the rectangular slide rod 313. The fixed seat 314 moves the support rod 214 away from the T-shaped support rod 211, stretching the silicone sealing strip 221 to fit the distance between the bridge expansion joints. The rectangular hole 212 and the hook hole 1 213 form an L-shape, and the L-shaped hole 215 and the hook hole 216 form a C-shape, increasing the contact area between the silicone sealing strip 221 and the support rod 214 and the T-shaped support rod 211 during the stretching process.

[0020] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0021] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable seepage-proof connection structure for bridge expansion joints, comprising a plurality of crossbeams (111), characterized in that, Also includes: Fixing part (2), a plurality of fixing parts (2) are provided, and the plurality of fixing parts (2) are respectively provided on a plurality of crossbeams (111); Adjustment part (3), wherein a plurality of adjustment parts (3) are provided, and the plurality of adjustment parts (3) are respectively installed on a plurality of crossbeams (111); The fixing part (2) includes a support assembly (21) mounted on the crossbeam (111); and A sealing assembly (22) is disposed on a support assembly (21); The support assembly (21) includes a T-shaped support rod (211) fixedly connected to the top of the crossbeam (111). The T-shaped support rod (211) has two rectangular holes (212) and two hook-shaped holes (213). The two hook-shaped holes (213) are respectively connected to the two rectangular holes (212). The T-shaped support rod (211) is provided with mounting parts. Among them, the two rectangular holes (212) and the two hook-shaped holes (213) are mirror images of each other.

2. The adjustable anti-seepage connection structure for bridge expansion joints according to claim 1, characterized in that, The adjusting part (3) includes a sliding assembly (31) mounted on the crossbeam (111); and A fixing component (32) is disposed on the sliding component (31).

3. The adjustable anti-seepage connection structure for bridge expansion joints according to claim 2, characterized in that, The sealing assembly (22) includes two silicone sealing strips (221) disposed on the top of the crossbeam (111); The two silicone sealing strips (221) are mirror images of each other.

4. The adjustable anti-seepage connection structure for bridge expansion joints according to claim 3, characterized in that, The sliding assembly (31) includes two rectangular slots (311) formed on the crossbeam (111). Each of the two rectangular slots (311) is slidably connected to a limiting plate (312). Each of the two limiting plates (312) is fixedly connected to a rectangular slide rod (313) on the side away from each other. Each of the two rectangular slide rods (313) extends to the outside of the crossbeam (111) on the side away from each other. Each of the two rectangular slide rods (313) is slidably connected to the crossbeam (111). Each of the two rectangular slide rods (313) is fixedly connected to a fixing seat (314) on the outer wall of the outer wall of the outer wall of the outer wall of the two rectangular slide rods (313). Among them, the two fixed seats (314) are located on the front and rear sides of the crossbeam (111) respectively, and the two rectangular slots (311) are mirror images of each other.

5. The adjustable anti-seepage connection structure for bridge expansion joints according to claim 4, characterized in that, The fixing component (32) includes threaded rods (321) that are fixedly connected to the bottom of two fixing seats (314) respectively, and a connector is provided on the side of the two fixing seats (314) that are far apart from each other; The two threaded rods (321) are mirror images of each other.

6. The adjustable anti-seepage connection structure for bridge expansion joints according to claim 5, characterized in that, The mounting component includes support rods (214) that are fixedly connected to the top of two fixed seats (314) respectively. Both support rods (214) have L-shaped holes (215) and hook-shaped holes (216). Among them, the two L-shaped holes (215) are connected to the two hook-shaped holes (216) respectively, and the two support rods (214) are mirror images of each other.

7. The adjustable anti-seepage connection structure for bridge expansion joints according to claim 6, characterized in that, The connector includes a U-shaped rod (322) that is fixedly connected to the two fixed seats (314) on opposite sides of each other. The two U-shaped rods (322) are mirror images of each other.