Road bridge subgrade surface drainage structure

Abstract

The utility model relates to a road bridge subgrade surface drainage structure which comprises a water drainage pipe and further comprises a plurality of protection frames which are mutually spliced and fixed, the protection frames are provided with placing grooves, and the water drainage pipe is arranged in the placing grooves; the protection frame is further provided with a water drainage pipe, and the water drainage pipe is communicated with the water drainage pipe. A filter screen is arranged on the drainage pipe, and limiting assemblies are arranged on the inner side wall of the placement groove and symmetrically arranged on the two sides of the drainage pipe; the limiting assembly comprises limiting plates, the limiting plates are attached to and abut against the outer side wall of the water drainage pipe, and the water drainage pipe is clamped by the limiting plates on the two sides to be limited and fixed in the containing groove. The device has the advantages that protection of the water drain pipe in the containing groove can be greatly improved, the probability that the water drain pipe is eroded by the external environment is reduced, and the service life of the water drain pipe is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drainage structures, in particular to a road and bridge subgrade surface drainage structure. BACKGROUND

[0002] The current road and bridge subgrade surface drainage structure is a key component to ensure the long-term stability and safety of the road and bridge surface. An effective drainage system can prevent soil softening, frost heaving, landslides and other forms of foundation damage caused by water accumulation.

[0003] The common subgrade surface drainage structure in the related art includes a drain pipe, which is a pipeline used to connect the internal drainage system with the external water body (such as rivers, lakes, etc.). They ensure that excess water can be safely and effectively discharged. In the related art, in order to facilitate the later maintenance of part of the drain pipe, a clamp is usually used to fix and install the part of the drain pipe on the surface of the road and bridge. However, the above installation method is prone to cause damage to the exposed drain pipe due to external force impact, and in addition, the surface of the drain pipe is also prone to be eroded by the external environment, thereby reducing the service life of the drain pipe. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a road and bridge subgrade surface drainage structure, which can enhance the protection of the drain pipe, reduce the erosion of the surface of the drain pipe, and thereby prolong the service life of the drain pipe.

[0005] The road and bridge subgrade surface drainage structure provided by the present application adopts the following technical solution:

[0006] A road and bridge subgrade surface drainage structure includes a drain pipe and a plurality of protection frames fixedly connected to each other, a placing groove is arranged on the protection frame, and the drain pipe is arranged in the placing groove; a drain pipe is further arranged on the protection frame, and the drain pipe and the drain pipe are in communication with each other; a filter screen is arranged on the drain pipe, a limiting assembly is arranged on the inner side wall of the placing groove, and the limiting assembly is symmetrically arranged on both sides of the drain pipe; the limiting assembly includes a limiting plate, the limiting plate is in close contact with the outer side wall of the drain pipe, and the drain pipe is fixedly limited in the placing groove under the clamping of the limiting plates on both sides.

[0007] Preferably, the limiting assembly further includes a limiting tube arranged on the inner side wall of the placing groove, a supporting rod is arranged on the limiting tube, one end of the supporting rod is movably limited in the limiting tube, the other end of the supporting rod is connected and fixed with the respective opposite limiting plate, and the limiting assembly further includes a limiting spring arranged in the limiting tube, the limiting spring is telescopic along the sliding direction of the supporting rod, and the limiting spring is used to push the limiting plate to press tightly against the outer side wall of the drain pipe.

[0008] Preferably, a cover plate for covering the top opening of the placing groove is detachably mounted on the protective frame, and a pressing plate located in the placing groove is arranged on the cover plate, the pressing plate is located between the two side limiting plates, and the pressing plate is used for pressing the drain pipe against the bottom wall of the placing groove.

[0009] Preferably, a positioning tube is arranged on the cover plate, a movable rod is arranged on the positioning tube, one end of the movable rod is movably limited in the positioning tube, the other end of the movable rod is connected and fixed with the pressing plate, and a reset spring is arranged in the positioning tube, the reset spring is used for pushing the movable rod to press the pressing plate against the outer side wall of the drain pipe.

[0010] Preferably, a connecting frame is detachably mounted at the bottom of the protective frame, and a plurality of placing seats arranged at intervals are arranged on the connecting frame, the placing seats are used for supporting the drainage pipeline on the connecting frame.

[0011] Preferably, a pipeline fixing member is further arranged on the connecting frame, and the pipeline fixing member is used for pressing and fixing the drainage pipeline on the respective placing seat.

[0012] Preferably, the connecting frames are sequentially spliced, and a connecting piece is arranged between adjacent connecting frames, the connecting piece is used for connecting and fixing the adjacent connecting frames.

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

[0014] Under the joint action of the protective frame and the cover plate, the protection of the drain pipe in the placing groove can be greatly improved, so that the drain pipe is not easily damaged by external impact, in addition, the placing groove can also create a relatively stable environment for the drain pipe, reduce the probability of the drain pipe being eroded by the external environment, and prolong the service life of the drain pipe;

[0015] The filter screen is used for intercepting solid waste carried in the accumulated water, preventing the waste from entering the drain pipe and causing the drain pipe to be blocked. A limiting assembly for limiting and fixing the drain pipe on the protective frame is arranged on the inner side wall of the placing groove. The movably arranged supporting rod can be adapted to the clamping and fixing of drain pipes with different diameters, further expanding the adaptation range of the placing groove. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0017] Figure 2 is a schematic diagram of the local structure of Figure 1 ;

[0018] Figure 3 is a schematic diagram of the local structure of the limiting assembly and the positioning tube;

[0019] Figure 4 is a schematic view of a local structure highlighting the drainage opening at the bottom of the protective frame;

[0020] Figure 5 is a schematic view of a structure highlighting the pipeline fixing member.

[0021] Reference signs: 1, drain pipe; 2, protective frame; 20, placing groove; 200, drainage opening; 3, drainage pipe; 30, filter screen; 4, limiting assembly; 40, limiting plate; 41, limiting pipe; 42, support rod; 43, limiting spring; 5, cover plate; 50, pressing plate; 51, positioning pipe; 52, movable rod; 53, return spring; 6, connecting frame; 60, placing seat; 61, pipeline fixing member; 62, connecting member. DETAILED DESCRIPTION

[0022] The application will be further described in detail below with reference to the accompanying drawings.

[0023] The application discloses a road and bridge subgrade surface drainage structure.

[0024] With reference to Figure 1 , Figure 2 , the road and bridge subgrade surface drainage structure comprises a drain pipe 1 and a plurality of protective frames 2 which are spliced with each other along the laying direction of the drain pipe 1, and two adjacent protective frames 2 are fixedly connected by bolts and nuts in sequence. The protective frame 2 is provided with a placing groove 20, and the drain pipe 1 is arranged in the placing groove 20. A cover plate 5 for covering the top opening of the placing groove 20 is detachably mounted on the top of the protective frame 2, and the top opening of the placing groove 20 is covered by the cover plate 5. At this time, under the joint action of the protective frame 2 and the cover plate 5, the protection of the drain pipe 1 in the placing groove 20 can be greatly improved, so that the drain pipe 1 is not easily damaged by external impact. In addition, the placing groove 20 can also create a relatively stable environment for the drain pipe 1, reduce the probability of the drain pipe 1 being eroded by the external environment, and prolong the service life of the drain pipe 1.

[0025] As shown in Figure 1 , Figure 2 , the top of the protective frame 2 is also fixedly provided with a drainage pipe 3, and the drainage pipe 3 is in communication with the drain pipe 1 in the placing groove 20. The drainage pipe 3 is used for draining the accumulated water on the bridge deck or road surface into the drain pipe 1. A filter screen 30 is fixedly arranged at the opening of the drainage pipe 3, and the filter screen 30 is used for intercepting solid waste carried in the accumulated water, so as to prevent the waste from entering the drain pipe 1 and causing the drain pipe 1 to be blocked. A limiting assembly 4 is arranged on the inner side wall of the placing groove 20, and is used for limiting and fixing the drain pipe 1 on the protective frame 2.

[0026] As shown in Figure 2 , Figure 3As shown, the limiting assembly 4 is symmetrically arranged on the left and right sides of the drain pipe 1, the limiting assembly 4 comprises a limiting plate 40, the length of the limiting plate 40 extends along the length direction of the drain pipe 1, and the limiting plate 40 is in close contact with the outer side wall of the drain pipe 1. The drain pipe 1 is clamped and fixed in the placement groove 20 under the clamping of the two limiting plates 40, further improving the stability and firmness of the drain pipe 1 in the placement groove 20.

[0027] As shown in Figure 2 , Figure 3 , the limiting assembly 4 further comprises a limiting pipe 41 arranged on the inner side wall of the placement groove 20, and each limiting pipe 41 on the same side of the drain pipe 1 is arranged in sequence and spaced along the length direction of the drain pipe 1. The limiting pipe 41 is provided with a supporting rod 42, one end of the supporting rod 42 is movably limited in the limiting pipe 41, and the other end of the supporting rod 42 is connected and fixed with the respective limiting plate 40. The limiting assembly 4 further comprises a limiting spring 43 arranged in the limiting pipe 41, the limiting spring 43 extends and contracts along the sliding direction of the supporting rod 42, and the limiting spring 43 is used to push the limiting plate 40 to press tightly on the outer side wall of the drain pipe 1. The movably arranged supporting rod 42 can be adapted to the clamping and fixing of drain pipes 1 with different diameters, further expanding the adaptation range of the placement groove 20.

[0028] As shown in Figure 2 , Figure 3 , the cover plate 5 located at the top of the drain pipe 1 is provided with a pressing plate 50 located in the placement groove 20, the pressing plate 50 is opposite to the lower drain pipe 1, and the length of the pressing plate 50 extends along the length direction of the drain pipe 1. The pressing plate 50 is located between the two limiting plates 40, and the pressing plate 50 is used to press the drain pipe 1 tightly on the bottom wall of the placement groove 20. The drain pipe 1 can be more stably and firmly limited in the placement groove 20 under the pressing of the pressing plate 50.

[0029] As shown in Figure 2 , Figure 3 , the cover plate 5 is fixedly provided with a positioning pipe 51 facing the pressing plate 50, and the positioning pipe 51 is provided with a movable rod 52. The upper end of the movable rod 52 is movably limited in the positioning pipe 51, and the other end of the movable rod 52 is connected and fixed with the lower pressing plate 50. The positioning pipe 51 is further provided with a return spring 53, the return spring 53 extends and contracts along the sliding direction of the movable rod 52, and the return spring 53 is used to push the movable rod 52 to press the pressing plate 50 tightly on the outer side wall of the drain pipe 1.

[0030] As shown in Figure 2 , Figure 4As shown, the bottom of the protective frame 2 is detachably mounted with a connecting frame 6, and a plurality of placement seats 60 are fixedly arranged on the connecting frame 6 in sequence. The placement seats 60 are used for limiting the drainage pipeline on the connecting frame 6. The bottom of the protective frame 2 penetrates a drainage opening 200 which is in communication with the placement groove 20. The drain pipe 1 can be connected with the external drainage pipeline through the drainage opening 200.

[0031] As shown in Figure 2 , Figure 5 , the connecting frame 6 is further provided with a pipeline fixing piece 61 between the adjacent placement seats 60. The pipeline fixing piece 61 is fixed on the connecting frame 6 by screwing the bolt and the nut. The pipeline fixing piece 61 is arranged above the placement seats 60 on both sides, and is used for pressing and fixing the two-side drainage pipelines on the respective placement seats 60.

[0032] As shown in Figure 2 , Figure 5 , the connecting frames 6 are sequentially spliced, and the connecting piece 62 is arranged between the adjacent two connecting frames 6. The connecting piece 62 is arranged on the two connecting frames 6, and the connecting piece 62 is used for screwing and fixing the adjacent two connecting frames 6 and the protective frame 2.

[0033] The implementation principle is that the top opening of the placement groove 20 is covered by the cover plate 5. At this time, under the joint action of the protective frame 2 and the cover plate 5, the protection of the drain pipe 1 in the placement groove 20 can be greatly improved, so that the drain pipe 1 is not easily damaged by external impact. In addition, the placement groove 20 can also create a relatively stable environment for the drain pipe 1, reduce the probability of the drain pipe 1 being eroded by the external environment, and prolong the service life of the drain pipe 1. The opening of the drainage pipeline 3 is fixedly installed with a filter screen 30. The filter screen 30 is used for intercepting solid waste carried in the accumulated water, preventing the waste from entering the drain pipe 1, and causing the drain pipe 1 to be blocked. The inner side wall of the placement groove 20 is provided with a limiting assembly 4 for limiting and fixing the drain pipe 1 on the protective frame 2. The support rod 42 which is movably arranged can be adapted to the clamping and fixing of the drain pipe 1 with different diameters, further expanding the adaptation range of the placement groove 20.

[0034] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application. Therefore, any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A road and bridge subgrade drainage structure, comprising a drainage pipe (1), characterized in that: It also includes multiple protective frames (2) that are spliced ​​and fixed together. The protective frame (2) is provided with a placement groove (20), and the drain pipe (1) is placed in the placement groove (20). The protective frame (2) is also provided with a drain pipe (3), and the drain pipe (3) is connected to the drain pipe (1). The drain pipe (3) is provided with a filter screen (30). The inner side wall of the placement groove (20) is provided with a limiting component (4), and the limiting component (4) is symmetrically arranged on both sides of the drain pipe (1). The limiting component (4) includes a limiting plate (40), and the limiting plate (40) is in contact with the outer side wall of the drain pipe (1). The drain pipe (1) is limited and fixed in the placement groove (20) under the clamping of the limiting plates (40) on both sides.

2. The road and bridge subgrade drainage structure according to claim 1, characterized in that: The limiting assembly (4) also includes a limiting tube (41) disposed on the inner side wall of the placement groove (20), a support rod (42) is disposed on the limiting tube (41), one end of the support rod (42) is movably limited in the limiting tube (41), and the other end of the support rod (42) is connected and fixed to the corresponding limiting plate (40); the limiting assembly (4) also includes a limiting spring (43) disposed in the limiting tube (41), the limiting spring (43) extends and retracts along the sliding direction of the support rod (42), and the limiting spring (43) is used to push the limiting plate (40) to press against the outer side wall of the drain pipe (1).

3. The road and bridge subgrade drainage structure according to claim 2, characterized in that: The protective frame (2) is detachably equipped with a cover plate (5) for covering the top opening of the placement groove (20). The cover plate (5) is provided with a pressure plate (50) located in the placement groove (20). The pressure plate (50) is located between the two side limiting plates (40), and the pressure plate (50) is used to press the drain pipe (1) against the bottom wall of the placement groove (20).

4. The road and bridge subgrade drainage structure according to claim 3, characterized in that: The cover plate (5) is provided with a positioning tube (51), and the positioning tube (51) is provided with a movable rod (52). One end of the movable rod (52) is movably limited inside the positioning tube (51), and the other end of the movable rod (52) is connected and fixed to the pressure plate (50). A return spring (53) is provided inside the positioning tube (51). The return spring (53) is used to push the movable rod (52) to press the pressure plate (50) against the outer wall of the drain pipe (1).

5. The road and bridge subgrade drainage structure according to claim 1, characterized in that: The bottom of the protective frame (2) is detachably equipped with a connecting frame (6), and the connecting frame (6) is provided with a plurality of placement seats (60) arranged in sequence at intervals. The placement seats (60) are used to limit the installation of water supply and drainage pipes on the connecting frame (6).

6. The road and bridge subgrade drainage structure according to claim 5, characterized in that: The connecting frame (6) is also provided with a pipe fixing component (61), which is used to press and fix the drainage pipes on their respective placement seats (60).

7. The road and bridge subgrade drainage structure according to claim 6, characterized in that: The connecting frames (6) are spliced ​​together in sequence, and a connector (62) is provided between adjacent connecting frames (6). The connector (62) is used to connect and fix adjacent connecting frames (6).

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