Road prefabricated box girder

Abstract

The utility model discloses a road prefabricated box girder, which belongs to the technical field of box girders and comprises a main girder, flanges are formed on two sides of the main girder, a drainage channel communicated with an urban drainage system is formed on the main girder close to the flanges, a filter plate is mounted in the drainage channel, and the drainage channel is divided into a blocking area and a drainage area by the filter plate. A penetrating opening is formed in the filter plate, a floating block is slidably arranged in the penetrating opening, and a filter head is arranged at the end, close to the blocking area, of the floating block. According to the road prefabricated box girder, when water is accumulated in the drainage groove, the filter head and the floating block can be used for assisting in drainage, and meanwhile warning and reminding are conducted on the surroundings.

Description

Technical Field

[0001] The utility model relates to the technical field of box beams, and more specifically, to a prefabricated road box beam. Background Art

[0002] A box girder bridge is a type of bridge. A box girder bridge refers to a beam bridge whose main beam is a thin-walled closed section. This type of bridge requires a combination of multiple box girders.

[0003] On rainy days, rainwater cannot directly pass through the box girder into the underground drainage system. Therefore, a drainage ditch needs to be set up on the side of the box girder to collect rainwater on the surface of the box girder and discharge it into the underground drainage system through pipes.

[0004] However, when the gutter is blocked, water will accumulate on the surface. It is not easy to find the accumulated water when visibility is poor on rainy days. When a vehicle passes through the accumulated water, the driver may be in a hurry to operate the vehicle due to sudden noises and changes in the posture of the vehicle, which increases the probability of an accident.

[0005] This application provides another technical solution to solve this technical problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a prefabricated road box girder.

[0007] The above technical objectives of the utility model are achieved through the following technical solutions:

[0008] A prefabricated box girder for roads comprises a main girder, with ribs formed on both sides of the main girder, a drainage trough connected to a city drainage system formed near the ribs, a filter plate installed in the drainage trough, the drainage trough is divided into a blocking area and a drainage area by the filter plate, the filter plate is provided with a through-hole, a floating block is slidably arranged in the through-hole, and a filter head is arranged at one end of the floating block near the blocking area.

[0009] The utility model is further configured as follows: the floating block is configured in a tubular structure, the filter head is configured in a cylindrical structure, and the cylindrical opening of the filter head faces the tubular opening of the floating block.

[0010] The utility model is further configured that: a notch is formed at one end of the floating block close to the drainage area.

[0011] The utility model is further configured as follows: a stop block for pressing the filter plate is formed at one end of the floating block close to the drainage area.

[0012] The utility model is further configured as follows: the cross section of the filter head is larger than the cross section of the floating block.

[0013] The utility model is further configured as follows: a reflective strip is arranged between the filter head and the floating block.

[0014] In summary, the utility model has the following beneficial effects:

[0015] When the filter plate is clogged, the water level in the blocking area increases and the float will float up due to buoyancy, so that the filter head is always located close to the surface of the accumulated water. The accumulated water can use the filter head to enter the tubular opening of the float, and then flow along the float to the drainage area, which can assist drainage. Furthermore, since the position of the filter head changes with the height of the accumulated water, it is not easily clogged by debris.

[0016] The filter head that is higher than the accumulated water and the light strip can warn and remind passing vehicles and managers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0019] Figure 3 This is a schematic diagram of the structure of the filter plate and the floating block of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the floating block and the filter head of the utility model.

[0021] In the figure: 1. Main beam; 2. Side guard; 3. Drainage trough; 4. Through-hole; 5. Floating block; 6. Filter head; 7. Reflective strip; 8. Notch; 9. Filter plate; 10. Stop block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments.

[0023] like Figure 1As shown, the present application provides a prefabricated box girder for a road, including a main beam 1, with side guards 2 formed on both sides of the main beam 1, and drainage grooves 3 formed near the side guards 2 on the main beam 1. The drainage grooves 3 are connected to the urban drainage system through pipes. On rainy days, rainwater falling on the surface of the main beam 1 will flow into the drainage grooves 3 on both sides, and finally flow into the urban drainage system after being collected by the drainage grooves 3, thereby reducing the probability of rain accumulation on the main beam 1.

[0024] like Figure 1 As shown, a filter plate 9 is installed in the drainage trough 3, and a plurality of filter ports are formed on the filter plate 9. The drainage trough 3 is divided into a blocking area and a drainage area by the filter plate 9. When debris flows into the drainage trough 3 along with rainwater, the rainwater and the debris will first enter the blocking area. After being filtered by the filter plate 9, the rainwater will flow into the drainage area through the filter ports, and then enter the urban drainage system. However, the debris will remain in the blocking area due to the filter plate 9, making it difficult for the debris to enter the drainage area or the urban drainage system and cause blockage.

[0025] like Figure 2 , Figure 3 as well as Figure 4 As shown, the filter plate 9 is provided with a through hole 4, and a floating block 5 is slidably arranged in the through hole 4. A filter head 6 is arranged at one end of the floating block 5 near the blocking area. In the initial state, the end of the floating block 5 located in the drainage area will abut against the bottom of the drainage trough 3 due to gravity, and the filter head 6 is higher than the surface of the filter plate 9, and a stop block 10 is formed at the end of the floating block 5 near the drainage area. The stop block 10 is used to press the filter plate 9, and the cross-section of the filter head 6 is larger than the cross-section size of the floating block 5, so that the floating block 5 and the filter head 6 can remain connected to the filter plate 9, ensuring the position stability of the floating block 5 and the filter head 6.

[0026] like Figure 2 , Figure 3 as well as Figure 4 As shown, on rainy days, the rainwater flowing into the drainage trough 3 contains excessive debris, which can easily clog the filter port, causing the rainwater to accumulate in the blocking area. This will flood the floating block 5 located in the shielding area. The floating block 5 floats due to the buoyancy of the water, so that the filter head 6 is higher than the accumulated water and the surface of the main beam 1, so that passing vehicles and management personnel can be warned and reminded. A reflective strip 7 is provided between the filter head 6 and the floating block 5. The reflective strip 7 can use reflection to further increase the warning and prompting effect.

[0027] like Figure 2 , Figure 3 as well as Figure 4As shown, the float 5 is arranged in a tubular structure, and the filter head 6 is a cylindrical structure, and the cylindrical opening of the filter head 6 faces the tubular opening of the float 5. When water accumulates, the accumulated water is close to the filter head 6, and part of the accumulated water can be filtered through the filter head 6, and then enters the tubular opening of the float 5, and then enters the drainage area, which can assist in drainage and slow down the speed of rising water. At the same time, since the position of the filter head 6 changes with the height of the accumulated water, it is not easy to be blocked by debris. A notch 8 is formed at one end of the float 5 close to the drainage area, so that when the float 5 abuts against the bottom of the drainage trough 3, the accumulated water can still flow into the drainage area through the notch 8, thereby ensuring the drainage effect.

[0028] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A prefabricated box girder for roads, comprising a main beam, with ribs formed on both sides of the main beam, and a drainage trough connected to a city drainage system formed near the ribs, characterized in that: A filter plate is installed in the drainage trough, and the drainage trough is divided into a blocking area and a drainage area by the filter plate. The filter plate is provided with a through hole, and a floating block is slidably arranged in the through hole. The floating block is provided with a filter head near one end of the blocking area.

2. The prefabricated road box girder according to claim 1, characterized in that: The floating block is arranged in a tubular structure, and the filter head is in a cylindrical structure, wherein the cylindrical opening of the filter head faces the tubular opening of the floating block.

3. The prefabricated road box girder according to claim 2, characterized in that: A notch is formed at one end of the floating block close to the drainage area.

4. The prefabricated road box girder according to claim 3, characterized in that: A stop block for pressing the filter plate is formed at one end of the floating block close to the drainage area.

5. The prefabricated road box girder according to claim 2, characterized in that: The cross section of the filter head is larger than the cross section of the floating block.

6. The prefabricated road box girder according to claim 2, characterized in that: A reflective strip is arranged between the filter head and the floating block.

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