Bridge drainage leakage-proof structure

By using leak-proof compensation devices and expansion sealing strips in the bridge drainage system, the problem of water leakage at the drainage pipe connection caused by temperature changes and foundation settlement was solved, thus improving sealing performance and stability.

CN223780703UActive Publication Date: 2026-01-09中铁二院华东勘察设计有限责任公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520203134.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-09
Estimated Expiration
2035-02-10

Smart Images

  • Figure CN223780703U_ABST
    Figure CN223780703U_ABST
Patent Text Reader

Abstract

The utility model discloses a bridge drainage leakage-proof structure which comprises a first drainage pipeline and a second drainage pipeline, first flange plates are fixedly arranged on the outer walls of the ends of the first drainage pipeline and the second drainage pipeline respectively, and a leakage-proof compensation device is arranged between the two first flange plates. The anti-leakage compensation device comprises a corrugated pipe, end pipes located on the two sides of the corrugated pipe and second flange plates located on the outer sides of the end pipes, the second flange plates are connected with the first flange plates through flanges, fixing pieces are arranged on the inner sides of the second flange plates, first sliding rods sliding horizontally are arranged between the fixing pieces, and springs are arranged on the portions, outside the fixing pieces, of the first sliding rods; an expansion sealing strip is arranged on the inner wall of the side, close to the second flange plate, of the end pipe and attached to the first flange plate. The utility model belongs to the technical field of bridge drainage, and particularly provides a bridge drainage leakage-proof structure which is used for solving the problem of water leakage caused by aging or dislocation generated by long-time use of the connecting position of two groups of drainage pipes.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge drainage technical field, specifically point to a bridge drainage leakproof structure. BACKGROUND

[0002] Bridge drainage system is the important component part of ensuring bridge structure safety and prolonging service life. Bridge will join drainage device in the construction process, is used for avoiding when raining will not produce too much ponding, thereby guaranteeing the safety of bridge use.

[0003] However, the traditional bridge drainage system in the long-term use process, due to temperature change, material aging, ground subsidence and other factors, the connecting place between two groups of drainage pipes is prone to crack or misplacement and lead to water leakage. INVENTION CONTENTS

[0004] In view of above situation, in order to overcome the defects of prior art, the utility model provides a bridge drainage leakproof structure, which is used to solve the problem of water leakage caused by aging or misplacement of the connecting place of two groups of drainage pipes after long-term use.

[0005] The technical scheme adopted by the present application is as follows:

[0006] The present application provides a bridge drainage leakproof structure, which comprises a first drainage pipe and a second drainage pipe, and first flanges are fixedly arranged on the outer walls of the ends of the first drainage pipe and the second drainage pipe, and a leakproof compensation device is arranged between the two groups of first flanges.

[0007] The leakproof compensation device comprises a corrugated pipe, end pipes arranged on both sides of the corrugated pipe, and second flanges arranged on the outer sides of the end pipes, the second flanges are flange-connected with the first flanges, which facilitates close cooperation with the connecting places of the two groups of drainage pipes, and the second flanges are fixed by bolts, the inner sides of the second flanges are provided with fixing members, sliding rods one are arranged between the fixing members and slide horizontally, and springs are arranged on the outer sides of the fixing members with respect to the sliding rods one; the inner walls of the end pipes close to the second flanges are provided with expansion sealing strips, and the expansion sealing strips are arranged in close contact with the first flanges.

[0008] Preferably, the outer sides of the first drainage pipe and the second drainage pipe are further provided with auxiliary fixing devices for fixing the stability of the first drainage pipe and the second drainage pipe, the auxiliary fixing devices comprise upper pipe clamps, lower pipe clamps and fixing seats, the upper pipe clamps and the lower pipe clamps are arranged in half-circular arc shapes with openings opposite to each other and are clamped on the upper and lower sides of the first drainage pipe and the second drainage pipe respectively, mounting seats are fixedly arranged on the side ends of the upper pipe clamps and the lower pipe clamps, mounting members for fixing are arranged between the mounting seats, and the fixing seats are fixedly arranged on the bottoms of the lower pipe clamps and are provided with holes and grooves for fixing.

[0009] Preferably, the auxiliary fixing device further comprises a positioning seat, the positioning seat is arranged in a concave shape, a second sliding rod parallel to the first sliding rod is arranged in the positioning seat, the hole groove is in sliding connection with the second sliding rod, and a mounting hole is formed in the surface of the positioning seat.

[0010] Preferably, the cross section of the expansion sealing strip is arranged in a right trapezoidal shape, and the right angle side of the expansion sealing strip is fixed on the inner wall of the end pipe, the upper bottom is arranged on one side of the first drainage pipeline and the second drainage pipeline close to the end pipe.

[0011] Preferably, the expansion sealing strip is made of a water-swelling rubber body, when the water-swelling rubber body is exposed to water, the sealing strip will slightly swell, thereby enhancing the sealing effect and preventing water leakage, and the water-swelling rubber body can automatically and repeatedly absorb water and swell, has an automatic healing and compensation sealing function, and effectively increases the sealing property and service life of the product.

[0012] Preferably, the outer two sides of the first sliding rod are provided with limiting pieces, the limiting pieces and the first sliding rod form an H-shaped structure, and the spring is arranged between the fixing piece and the limiting piece.

[0013] The beneficial effects achieved by the utility model are as follows:

[0014] 1. The leakage compensation device arranged in a telescopic manner is tightly matched with the connection of the two groups of drainage pipes, has excellent corrosion resistance, aging resistance and telescopic property, automatically compensates the displacement between the drainage pipes caused by factors such as temperature change and foundation settlement by using the telescopic property, has the function of automatically compensating displacement, maintains the tightness of the connection of the drainage pipes, and improves the reliability and durability of the drainage system.

[0015] 2. The expansion sealing strip arranged at the connection of the drainage pipe is waterproof, and the sealing performance of the connection is enhanced.

[0016] 3. The setting of the auxiliary fixing device further enhances the stability of the overall structure, and prevents the risk of water leakage caused by external force. DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a bridge drainage leakage prevention structure provided by the scheme;

[0018] Figure 2 It is a schematic diagram of the internal structure of a bridge drainage leakage prevention structure provided by the scheme;

[0019] Figure 3 It is Figure 2 a local enlarged schematic diagram of part A.

[0020] The meanings of the reference signs in the drawings are as follows:

[0021] 1, drainage pipeline one, 2, drainage pipeline two, 3, leakage prevention compensation device, 4, auxiliary fixing device, 5, expansion sealing strip, 6, pressure sensor, 7, communicator;

[0022] 11, first flange plate;

[0023] 31, bellows, 32, end pipe, 33, second flange plate, 34, fixing piece, 35, sliding rod one, 36, spring, 37, limiting piece;

[0024] 41, upper pipe clamp, 42, lower pipe clamp, 43, fixing seat, 44, mounting seat, 45, mounting piece, 46, hole groove, 47, positioning seat, 48, sliding rod two, 49, mounting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0026] Embodiment 1

[0027] Please refer to Figure 1 and Figure 2 , the embodiment provides a bridge drainage leakage prevention structure, including drainage pipeline one 1 and drainage pipeline two 2, the outer wall of the end of drainage pipeline one 1 and drainage pipeline two 2 is fixed with first flange plate 11 respectively, and the first flange plate 11 between two groups is equipped with leakage prevention compensation device 3, the leakage prevention compensation device 3 includes bellows 31, end pipe 32 located at the both sides of bellows 31 and second flange plate 33 located at the outside of end pipe 32, the second flange plate 33 is flanged with first flange plate 11, is convenient and is closely matched with the connecting place of two groups of drainage pipes, and is fixed through bolt, the inside of second flange plate 33 is equipped with fixing piece 34, the fixing piece 34 between is equipped with sliding rod one 35 that slides horizontally, the outside of sliding rod one 35 about fixing piece 34 is equipped with spring 36.The outside of sliding rod one 35 is equipped with limiting piece 37, the limiting piece 37 and sliding rod one 35 form H-shaped structure, and the spring 36 is arranged between fixing piece 34 and limiting piece 37.

[0028] In addition, the inner wall of the side of end pipe 32 close to second flange plate 33 is equipped with expansion sealing strip 5, and the expansion sealing strip 5 is attached to first flange plate 11.

[0029] Reference Figure 3As shown, the cross section of the expansion sealing strip 5 is arranged in a right-angled trapezoidal shape, and the right-angled side of the expansion sealing strip 5 is attached to the inner wall of the end pipe 32, and the upper bottom is fixed to one side of the drainage pipeline one 1 and the drainage pipeline two 2 close to the end pipe 32. Preferably, the inner diameters of the drainage pipeline one and the drainage pipeline two are slightly larger than the inner diameter of the corrugated pipe 31 at the end pipe 32, and the thickness of the upper bottom of the expansion sealing strip 5 in the initial state is the difference between the inner diameters, and the expansion sealing strip 5 is made of water-swelling rubber body, which can swell slightly after being exposed to water, thereby enhancing the sealing effect and preventing water leakage. At the same time, it can automatically and repeatedly absorb water and swell repeatedly, has the functions of automatic healing and compensation sealing, effectively increases the sealing performance and service life of the product. In this structure, the waterproof expansion sealing strip 5 is arranged at the connection with the drainage pipe, which enhances the sealing performance of the connection.

[0030] In use of the utility model, the cooperation of the slide rod one 35 and the slide rod two 48 and the arrangement of the corrugated pipe 31 can realize the horizontal telescopic function, the telescopic anti-leakage compensation device 3 is used for close cooperation with the connection of the two groups of drainage pipes, has excellent corrosion resistance, aging resistance and telescopic property, and automatically compensates the displacement between the drainage pipes caused by temperature change, foundation settlement and other factors by using the telescopic property, has the function of automatic displacement compensation, maintains the tightness of the connection of the drainage pipes, and improves the reliability and durability of the drainage system.

[0031] Embodiment 2

[0032] In order to enhance the stability of the drainage pipeline one 1 and the drainage pipeline two 2 and the anti-leakage compensation device 3, an auxiliary fixing device 4 is further arranged outside the drainage pipeline one 1 and the drainage pipeline two 2, which is used for fixing the stability of the drainage pipeline one 1 and the drainage pipeline two 2. The arrangement of the auxiliary fixing device 4 further enhances the stability of the overall structure and prevents the risk of water leakage caused by external force.

[0033] Reference Figure 1 and Figure 2 As shown, the auxiliary fixing device 4 comprises an upper pipe clamp 41, a lower pipe clamp 42 and a fixing seat 43, the upper pipe clamp 41 and the lower pipe clamp 42 are arranged in a semicircular arc shape with the opening opposite to each other and are respectively clamped on the upper and lower sides of the drainage pipeline one 1 and the drainage pipeline two 2, the side ends of the upper pipe clamp 41 and the lower pipe clamp 42 are fixedly provided with mounting seats 44, mounting pieces 45 for fixing are arranged between the upper and lower mounting seats 44, the fixing seat 43 is fixedly arranged on the bottom of the lower pipe clamp 42, and a hole groove 46 is arranged on the fixing seat 43 for fixing.

[0034] Preferably, the auxiliary fixing device 4 further comprises a positioning seat 47, the positioning seat 47 is arranged in a concave shape, the positioning seat 47 is provided with a slide rod 48 which is parallel to the slide rod 1 35, the hole slot 46 is in sliding connection with the slide rod 48, and the positioning seat 47 is provided with a mounting hole 49.

[0035] As a further illustrated embodiment:

[0036] The fixing piece 34 is arranged in multiple groups about the circumference of the second flange plate 33, and the slide rod 1 35 is arranged in multiple groups corresponding to the fixing piece 34, wherein one group of the slide rod 1 35 is provided with a pressure sensor 6 corresponding to one side of the fixing seat 43, the limiting piece 37 is matched with the position of the pressure sensor 6, and the side end of the fixing seat 43 is further provided with a communicator.

[0037] In this embodiment, the pressure sensor 6 transmits data to the background through the communicator, and if the slide rod comes into contact with the pressure sensor 6, it represents that the degree of deformation of the corrugated pipe 31 is large, and the staff can regularly go to the scene to maintain the pipeline, so as to avoid the situation of water leakage.

[0038] It should be noted that although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, without departing from the utility model creates the purpose, not creative design with the similar structure mode and the embodiment of the technical scheme, all should belong to the protection scope of the utility model.

Claims

1. A bridge drainage and leak-proof structure, comprising a first drainage pipe (1) and a second drainage pipe (2), wherein a first flange (11) is fixedly provided on the outer wall of the end of the first drainage pipe (1) and the second drainage pipe (2), characterized in that: A leak-proof compensation device (3) is provided between the two sets of first flanges (11). The leak-proof compensation device (3) includes a bellows (31), end pipes (32) located on both sides of the bellows (31), and a second flange (33) located outside the end pipes (32). The second flange (33) is flange-connected to the first flange (11). A fixing member (34) is provided on the inner side of the second flange (33). A sliding rod (35) is provided between the fixing members (34). A spring (36) is provided on the sliding rod (35) about the outside of the fixing member (34). An expansion sealing strip (5) is provided on the inner wall of the end pipe (32) near the second flange (33). The expansion sealing strip (5) is fitted to the first flange (11).

2. The bridge drainage and leak-proof structure according to claim 1, characterized in that: The external parts of the first drainage pipe (1) and the second drainage pipe (2) are also provided with auxiliary fixing devices (4). The auxiliary fixing devices (4) include an upper pipe clamp (41), a lower pipe clamp (42) and a fixing seat (43). The upper pipe clamp (41) and the lower pipe clamp (42) are arranged in a semi-circular arc shape with openings facing each other and are respectively clamped on the upper and lower sides of the first drainage pipe (1) and the second drainage pipe (2). The side ends of the upper pipe clamp (41) and the lower pipe clamp (42) are fixed with mounting seats (44). There is a mounting component (45) for fixing between the upper and lower mounting seats (44). The fixing seat (43) is fixed on the bottom of the lower pipe clamp (42) and the fixing seat (43) is provided with a hole groove (46).

3. The bridge drainage and leak-proof structure according to claim 2, characterized in that: The auxiliary fixing device (4) also includes a positioning seat (47), which is U-shaped. The positioning seat (47) has a sliding rod (48) arranged parallel to the sliding rod (35) inside it. The slot (46) is slidably connected to the sliding rod (48). The surface of the positioning seat (47) is provided with a mounting hole (49).

4. The bridge drainage and leak-proof structure according to claim 1, characterized in that: The expansion sealing strip (5) has a right-angled trapezoidal cross section. The right-angled side of the expansion sealing strip (5) is attached to the inner wall of the end pipe (32), and the upper bottom is fixed on the side of the drainage pipe one (1) and drainage pipe two (2) near the end pipe (32).

5. A bridge drainage and leak-proof structure according to claim 4, characterized in that: The expansion sealing strip (5) is made of water-swellable rubber.

6. A bridge drainage and leak-proof structure according to claim 1, characterized in that: Limiting members (37) are provided on both sides of the outer side of the slide rod (35). The limiting members (37) and the slide rod (35) form an H-shaped structure. The spring (36) is located between the fixing member (34) and the limiting member (37).