Bridge expansion joint with drainage function

By installing filter plates and guide mechanisms on the rubber belt of the bridge expansion joint, the problems of water accumulation and load-bearing increase caused by sand and gravel blocking the drainage channel are solved, and the drainage effect is achieved while facilitating cleaning and maintenance.

CN222862062UActive Publication Date: 2025-05-13DECO CENTURY DEV CO LTD
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Patent Information

Application Number
CN202421868559.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-13
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The rubber belt in the bridge expansion joint is blocked by sand and gravel, causing the accumulation of water to increase the load-bearing and easy to fall off.

Method used

A bridge expansion joint with drainage function was designed, using a filter plate and a guide mechanism. The filter plate is located above the rubber belt and has a V-shaped structure and notch. The guide mechanism includes assembly plate, pulling plate and limiting block. By flipping the assembly plate and pulling the pulling plate, the filter plate is cleaned and the drainage channel is avoided.

Benefits of technology

The drainage effect of rubber belt is achieved, avoids drainage blockage and water accumulation, simplifies the cleaning process, is convenient to use and maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bridge expansion joints, in particular to a bridge expansion joint with a drainage function. According to the technical scheme, the drainage device comprises bridge plates which are symmetrically installed and further comprises a rubber belt, the rubber belt is fixedly installed between the bridge plates, a plurality of drainage channels which are arranged at equal intervals are formed in the rubber belt, an auxiliary mechanism for preventing the drainage channels from being blocked is arranged on the bridge plates, and the auxiliary mechanism comprises a filter plate fixedly installed on the bridge plates. The filter plates are located above the rubber belt in the horizontal direction, the middles of the filter plates are V-shaped, a notch is formed in one filter plate, a limiting plate is fixedly installed on the other filter plate, and the limiting plate is located in the notch. The rubber belt drainage device achieves the drainage effect of the rubber belt, prevents the drainage channel from being blocked and accumulated water, and is convenient to clean, use and maintain.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge expansion joints, in particular to a bridge expansion joint with a drainage function. Background Art

[0002] A bridge expansion joint refers to the interval set between the ends of two bridge decks, between the end beam end of a bridge deck and the abutment, or at the hinged position of the bridge. Its purpose is to accommodate thermal expansion and contraction between bridge decks or between a bridge deck and abutment and to meet the deformation requirements of the bridge deck.

[0003] Since the expansion joint needs to be set on the bridge, passing vehicles will cause sand and gravel to splash, and the splashed sand and gravel will fall on the rubber belt and accumulate, causing the drainage channel on the rubber belt to be blocked and the water flow cannot be discharged, resulting in water accumulation in the rubber belt, increasing the load-bearing capacity of the rubber belt, and making it easy to fall off. Therefore, the present application proposes a bridge expansion joint with drainage function. Summary of the invention

[0004] The utility model aims to propose a bridge expansion joint with drainage function to solve the problem in the background technology that sand and gravel block the drainage channel, increase the load-bearing capacity of the rubber belt, and make it easy to fall off.

[0005] The technical solution of the utility model is: a bridge expansion joint with drainage function, including symmetrically installed bridge plates, and also includes:

[0006] A rubber belt is fixedly installed between the bridge plates, a plurality of drainage channels arranged at equal distances are opened on the rubber belt, and an auxiliary mechanism for preventing the drainage channels from being blocked is arranged on the bridge plates.

[0007] Optionally, the auxiliary mechanism includes a filter plate fixedly mounted on a bridge plate, the filter plate being located above the level of the rubber belt, the middle portion of the filter plate being V-shaped, one of the filter plates being provided with a slot, a limit plate being fixedly mounted on the other filter plate, the limit plate being located in the slot, and a guide mechanism being provided on the bridge plate for facilitating the cleaning of the filter plate.

[0008] Optionally, the guiding mechanism comprises a plurality of assembly plates fixedly mounted on the bridge plate, the assembly plates being hinged to the bridge plate, pull plates being slidably mounted on the assembly plates, limit blocks being fixedly mounted at both ends of the pull plates, a limit slot being provided in the bridge plate, and the limit block being located in the limit slot.

[0009] Optionally, a connecting block is fixedly installed on the pull plate, a guide column is fixedly installed on the bottom of the connecting block, and the guide column is fixedly connected to the limit block.

[0010] Optionally, a mounting groove is provided on the assembly plate, and the pull plate is located in the mounting groove.

[0011] Optionally, a spring is sleeved on the guide column, and one end of the spring is fixedly connected to the connecting block.

[0012] Optionally, a plurality of comb teeth arranged at equal distances are fixedly mounted on one side of the assembly plate, and the comb teeth on two assembly plates are symmetrically slidably connected.

[0013] In summary, the present application includes at least one of the following beneficial technical effects:

[0014] 1. Use the filter plate to block the impurities above the rubber belt to prevent the impurities from clogging the drainage channel on the rubber belt. Pull the pull plate upward to move the limit block out of the limit slot, cancel the fixation of the assembly plate, and flip the assembly plate. At this time, you can clean the filter plate. After cleaning, pull the pull plate upward, flip the assembly plate, loosen the pull plate, and the spring rebound drives the limit block to insert into the limit slot to fix the assembly plate. This achieves the drainage effect of the rubber belt while avoiding clogging of the drainage channel, making it easy to clean.

[0015] 2. By setting multiple assembly plates on the bridge plate, you only need to flip the assembly plate above the filter plate that needs to be cleaned, without disassembling the entire assembly plate, which is easy to clean, use and maintain.

[0016] The utility model realizes the drainage effect of the rubber belt and avoids the blockage and accumulation of water in the drainage channel, is easy to clean, and is convenient to use and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of an embodiment of the utility model is given;

[0018] Figure 2 A schematic cross-sectional view of an embodiment of the utility model is given;

[0019] Figure 3 for Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 4 for Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0021] Figure numerals: 1. bridge plate; 2. assembly plate; 3. comb teeth; 4. mounting groove; 5. connecting block; 6. limit block; 7. limit groove; 8. guide column; 9. spring; 10. filter plate; 11. rubber belt; 12. limit plate; 13. notch; 14. drain channel; 15. pull plate. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0024] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0025] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] It should be noted that the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Example

[0029] like Figure 1-2, the utility model proposes a bridge expansion joint with drainage function, including symmetrically installed bridge decks 1, and also includes a rubber belt 11, the rubber belt 11 is fixedly installed between the bridge decks 1, and a plurality of equidistantly arranged drainage channels 14 are opened on the rubber belt 11 for draining water, and the bridge deck 1 is provided with an auxiliary mechanism to prevent the drainage channels 14 from being blocked.

[0030] like Figure 2 -4, the present embodiment also includes an auxiliary mechanism, which includes a filter plate 10 fixedly mounted on the bridge plate 1, which is used to isolate impurities on the filter plate 10 to prevent the impurities from falling into the drain 14 and causing the drain 14 to be blocked. The filter plate 10 is located above the level of the rubber belt 11, and the middle part of the filter plate 10 is V-shaped so that the impurities can fall to the lowest part of the filter plate 10. A notch 13 is opened on one of the filter plates 10, and a limit plate 12 is fixedly mounted on the other filter plate 10. The limit plate 12 is located in the notch 13. The bridge plate 1 is provided with a guide mechanism for cleaning the filter plate 10.

[0031] like Figure 1 -3, the present embodiment also includes a guiding mechanism, which includes a plurality of assembly plates 2 fixedly mounted on the bridge plate 1, the assembly plate 2 being hinged to the bridge plate 1, a pull plate 15 being slidably mounted on the assembly plate 2, and limit blocks 6 being fixedly mounted at both ends of the pull plate 15, a limit groove 7 being provided in the bridge plate 1, and the limit blocks 6 being located in the limit groove 7. When it is necessary to clean the impurities on part of the filter plate 10, the pull plate 15 is pulled upward to move the limit blocks 6 out of the limit groove 7, the fixation of the assembly plate 2 is cancelled, and the assembly plate 2 is flipped over, at which point the filter plate 10 can be cleaned, after the cleaning is completed, the pull plate 15 is pulled upward to flip the assembly plate 2, the pull plate 15 is released, the spring 9 rebounds to drive the limit blocks 6 to be inserted into the limit groove 7, and the assembly plate 2 is fixed, thereby improving the convenience of cleaning, without the need to disassemble the entire assembly plate 2, and only the assembly plate 2 that needs to be cleaned needs to be flipped over.

[0032] like Figure 2 As shown in Figure 3, a connecting block 5 is fixedly installed on the pull plate 15, a guide column 8 is fixedly installed on the bottom of the connecting block 5, the guide column 8 is fixedly connected to the limit block 6, a mounting groove 4 is opened on the assembly plate 2, the pull plate 15 is located in the mounting groove 4, a spring 9 is sleeved on the guide column 8, one end of the spring 9 is fixedly connected to the connecting block 5, a plurality of comb teeth 3 arranged at equal distances are fixedly installed on one side of the assembly plate 2, and the comb teeth 3 on the two assembly plates 2 are symmetrically slidably connected.

[0033] Working principle: The filter plate 10 is set to block the impurities above the rubber belt 11 to prevent the impurities from clogging the drain 14 on the rubber belt 11. When the impurities on the filter plate 10 need to be cleaned, the pull plate 15 is pulled upward to move the limit block 6 out of the limit groove 7, cancel the fixation of the assembly plate 2, and flip the assembly plate 2. At this time, the filter plate 10 can be cleaned. After cleaning, the pull plate 15 is pulled upward, the assembly plate 2 is flipped, the pull plate 15 is released, and the spring 9 rebounds to drive the limit block 6 to insert into the limit groove 7 to fix the assembly plate 2. While achieving the drainage effect of the rubber belt, it avoids clogging and accumulation of water in the drain, which is easy to clean, easy to use, and easy to maintain.

[0034] The above-mentioned specific embodiments are only several optional embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A bridge expansion joint with drainage function, comprising a symmetrically installed bridge deck (1), characterized in that: Also includes: A rubber belt (11) is fixedly installed between the bridge plates (1), a plurality of drainage channels (14) arranged at equal distances are provided on the rubber belt (11), and an auxiliary mechanism for preventing the drainage channels (14) from being blocked is provided on the bridge plate (1).

2. The bridge expansion joint with drainage function according to claim 1, characterized in that: The auxiliary mechanism comprises a filter plate (10) fixedly mounted on the bridge plate (1), the filter plate (10) being located above the level of the rubber belt (11), the middle portion of the filter plate (10) being arranged in a V-shape, one of the filter plates (10) being provided with a notch (13), and a limit plate (12) being fixedly mounted on the other filter plate (10), the limit plate (12) being located in the notch (13), and a guide mechanism for facilitating the cleaning of the filter plate (10) being arranged on the bridge plate (1).

3. The bridge expansion joint with drainage function according to claim 2, characterized in that: The guide mechanism comprises a plurality of assembly plates (2) fixedly mounted on the bridge plate (1), the assembly plates (2) being hinged to the bridge plate (1), a pull plate (15) being slidably mounted on the assembly plates (2), a limit block (6) being fixedly mounted at both ends of the pull plate (15), a limit slot (7) being provided in the bridge plate (1), and the limit block (6) being located in the limit slot (7).

4. The bridge expansion joint with drainage function according to claim 3, characterized in that: A connecting block (5) is fixedly mounted on the pull plate (15), a guide column (8) is fixedly mounted on the bottom of the connecting block (5), and the guide column (8) is fixedly connected to the limit block (6).

5. The bridge expansion joint with drainage function according to claim 3, characterized in that: The assembly plate (2) is provided with a mounting groove (4), and the pull plate (15) is located in the mounting groove (4).

6. The bridge expansion joint with drainage function according to claim 4, characterized in that: A spring (9) is sleeved on the guide column (8), and one end of the spring (9) is fixedly connected to the connecting block (5).

7. The bridge expansion joint with drainage function according to claim 3, characterized in that: A plurality of comb teeth (3) arranged at equal distances are fixedly mounted on one side of the assembly plate (2), and the comb teeth (3) on the two assembly plates (2) are symmetrically slidably connected.