CN220246594U - Pavement structure - Google Patents

Abstract

The utility model relates to a pavement structure, including the road bed layer that sets gradually from bottom to top, the impermeable cement layer, permeable layer and asphalt surface course, road bed layer both sides top all is provided with the road tooth, impermeable cement layer both sides are provided with the escape canal, the escape canal top is provided with the escape canal apron, a plurality of escape grooves have been seted up on the escape canal apron, be provided with a plurality of collecting boxes in the escape canal, a plurality of lower apopores have been seted up to the collecting box bottom, the collecting box top is provided with flexible filter screen, connect through fixed subassembly between flexible filter screen and the collecting box, when meetting the rainwater weather, on the escape canal apron of rainwater flow direction both sides and pass the escape canal, the rainwater flows through the flexible filter screen and passes the escape canal of the offal Kong Huiru on the collecting box and discharge, the flexible filter screen is collected debris such as silt, fallen leaves, withered branch in the collecting box top, the debris entering escape canal and pile up, lead to debris to block up the probability of the drainage outlet of canal low reaches, be favorable to the road surface drainage work.

Description

Pavement structure

Technical Field

The utility model relates to the technical field of road construction, in particular to a pavement structure.

Background

The pavement structure layer mainly comprises a surface layer, a base layer and a subbase layer according to the layer and the function of the pavement structure layer, wherein the pavement structure layer refers to each pavement layer forming a pavement.

The utility model discloses a pavement drainage structure in China patent with publication number of CN218373106U, which comprises a pavement drainage structure and comprises a pavement road, wherein a sewer well is arranged at the edge of the pavement road, a transverse groove is formed in the edge of the pavement road, the transverse groove is communicated with the interior of the sewer well, a plurality of curb pavement structures are paved in the transverse groove, a plurality of water diversion strips are embedded in the pavement of the pavement road, the curb pavement structures comprise water diversion bricks and face bricks embedded at the tops of the water diversion bricks, the water diversion grooves are formed in the water diversion bricks, and the face bricks are permeable.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the pavement is used, sundries such as sediment, fallen leaves, dried branches and the like on the pavement surface easily enter the water diversion grooves of the water diversion bricks from the water leakage grooves on the face bricks, are impacted to the downstream water outlet along with water flow and are accumulated, and influence is generated on subsequent water drainage work.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a pavement structure.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a pavement structure, includes road bed layer, impermeable cement layer, permeable bed and the asphalt surface course that sets gradually from bottom to top, road bed layer both sides top all is provided with the road tooth, crossing department between impermeable cement layer both sides and the road tooth is provided with the escape canal, the escape canal top is provided with the ditch apron, a plurality of water drainage tanks have been seted up on the ditch apron, be provided with a plurality of collection boxes of following the escape canal length direction connection in proper order in the escape canal, a plurality of apopores have been seted up to collection box bottom, collection box top is provided with flexible filter screen, be connected through fixed subassembly between flexible filter screen and the collection box.

Through adopting above-mentioned technical scheme, when meetting the rainwater weather, on the ditch apron of rainwater flow direction both sides and pass the water drainage tank, the rainwater flows through the flexible filter screen and passes through the drainage canal of the downcomer Kong Huiru on the collection box and discharge, and the flexible filter screen is collected debris such as silt, fallen leaves, withered branch in collection box top, has reduced debris entering drainage canal and has piled up, leads to debris to block up the probability of drainage canal low reaches outlet, is favorable to going on of road surface drainage work.

Further, the fixed assembly comprises a fixed pile fixed on the top of the collection box and a connecting ring fixed on the edge of the flexible filter screen, and the connecting ring is connected with the fixed pile in a hanging mode.

Through adopting above-mentioned technical scheme, when the debris in the flexible filter screen of needs clearance, the staff at first need open the ditch apron, takes off the connecting ring on the flexible filter screen from the spud pile at collection box top afterwards for flexible filter screen is dismantled from collecting the box, at this moment, mentions flexible filter screen and clearance debris, and flexible filter screen clearance is accomplished the back, articulates the connecting ring on the spud pile, accomplishes the installation to flexible filter screen, is favorable to dismantling and install fast to flexible filter screen.

Further, the area of one mesh on the flexible filter screen is 1-2 square millimeters.

Through adopting above-mentioned technical scheme, the mesh sets to area 1-2 square millimeters, is favorable to flexible filter screen to intercept impurity such as silt of granule, has reduced the probability that particulate matter such as silt, grit get into in the escape canal and make the high rising in the escape canal bottom, is favorable to going on smoothly of drainage work.

Further, the ditch cover plate is penetrated and provided with a U-shaped rod body which is connected with the ditch cover plate in a sliding way, two ends of the U-shaped rod body are respectively fixed with a limiting block, and the diameter of the limiting block is larger than the diameter of the cross section circle of the U-shaped rod body.

Through adopting above-mentioned technical scheme, when needs open ditch apron, the staff pulls out the U-shaped body of rod and mentions, and stopper upper surface supports tightly with ditch apron lower surface, has reduced the probability that the U-shaped body of rod breaks away from the ditch apron, mentions the U-shaped body of rod and can lift the ditch apron, is convenient for clear up debris on the flexible filter net.

Further, the length of the U-shaped rod body is greater than the thickness of the ditch cover plate.

Through adopting above-mentioned technical scheme, the length setting of the U-shaped body of rod for the U-shaped body of rod can be accomodate, has reduced the protruding probability that leads to pedestrian and vehicle emergence accident in U-shaped body of rod upper end, has improved the safety in utilization.

Further, the height of the upper surface of the cement-impermeable layer decreases progressively from the middle part of the pavement structure to two sides, a plurality of water passing holes are reserved at the bottom of the water permeable layer, and water seepage holes are formed in positions corresponding to the water passing holes of the water drainage channels.

Through adopting above-mentioned technical scheme, the setting of permeable layer, permeate asphalt surface course and collect in permeable layer and impermeable cement layer upper surface at the rainwater, because the setting of impermeable cement layer upper surface slope for the rainwater flows into the drainage canal along the water hole in the permeable layer and the infiltration hole on the drainage canal lateral wall in, has reduced the probability of ponding on the road surface.

Further, the positions, close to two sides of the ditch cover plate, of the top of the ditch cover plate are flush with the asphalt surface layer, and the center of the top of the ditch cover plate is recessed downwards.

Through adopting above-mentioned technical scheme, the setting of ditch apron top center department undercut is favorable to the rainwater to collect at ditch apron top, and the rainwater of being convenient for passes through the ditch apron fast and discharges downwards.

Further, the bottom wall runs through and is provided with the auxiliary drain pipe fixed with the drainage canal in the drainage canal, auxiliary drain pipe lower extreme runs through cement-impermeable layer and road bed layer in proper order to with secret drainage system intercommunication.

Through adopting above-mentioned technical scheme, when the rainwater volume is great, the water accessible auxiliary drainage pipe flow direction underground drainage system in the drainage canal has improved the efficiency of drainage, has reduced the untimely drainage of rainwater and has led to the probability of road surface ponding.

In summary, the utility model has the following beneficial effects:

1. in the application, when rainwater weather is met, rainwater flows to the ditch cover plates on two sides and passes through the drainage grooves, the rainwater flows through the flexible filter screen and is discharged through the drainage channels Kong Huiru on the collecting box, the flexible filter screen collects sundries such as silt, fallen leaves and dried branches above the collecting box, the probability that the sundries enter the drainage channels and are accumulated to cause the sundries to block the drainage outlet on the downstream of the drainage channels is reduced, and the pavement drainage work is facilitated;

2. in the application, when sundries in the flexible filter screen need to be cleaned, a worker firstly needs to open the ditch cover plate, then the connecting ring on the flexible filter screen is taken down from the fixed pile at the top of the collection box, so that the flexible filter screen is detached from the collection box, at the moment, the flexible filter screen is lifted up and the sundries are cleaned, and after the flexible filter screen is cleaned, the connecting ring is hung on the fixed pile, so that the flexible filter screen is installed, and the flexible filter screen can be quickly detached and installed;

3. in this application, the mesh sets to area 1-2 square millimeters, is favorable to flexible filter screen to intercept impurity such as silt of granule, has reduced the probability that particulate matter such as silt, grit get into the escape canal and make the interior bottom height of escape canal rise, is favorable to going on smoothly of drainage work.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view showing the structure of the fixing assembly according to the embodiment of the present utility model.

In the figure: 1. a road base layer; 2. a cement impermeable layer; 3. a water permeable layer; 31. a water passing hole; 4. an asphalt surface layer; 5. road kerb; 6. a drainage canal; 61. water seepage holes; 7. a ditch cover plate; 71. a drainage channel; 8. a collection box; 81. a water outlet hole; 9. a flexible filter screen; 10. a fixing assembly; 101. fixing piles; 102. a connecting ring; 11. a U-shaped rod body; 12. a limiting block; 13. and an auxiliary drain pipe.

Description of the embodiments

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

As shown in fig. 1-3, the embodiment of the present application discloses a pavement structure, which comprises a pavement layer 1, a cement impermeable layer 2, a water permeable layer 3, an asphalt pavement layer 4, road teeth 5, a drainage canal 6, a ditch cover plate 7, a collecting box 8, a flexible filter screen 9 and a fixing assembly 10.

The road base layer 1 is the foundation layer of road surface structure, and the impervious mud layer 2 is pour by impervious cement and forms, and impervious cement layer 2 sets up on road bed layer 1, and the height on impervious cement layer 2 upper surface is from road surface structure middle part to both sides decline. The permeable layer 3 is formed by paving permeable materials, the permeable layer 3 is arranged on the impermeable cement layer 2, and a plurality of water holes 31 are reserved at the bottom of the permeable layer 3. The asphalt surface layer 4 is made of asphalt, and the asphalt surface layer 4 is arranged on the permeable layer 3. Road kerbs 5 are arranged on the tops of the two sides of the road base layer 1, drainage channels 6 are arranged at the intersections between the two sides of the cement-impermeable layer 2 and the road kerbs 5, and water seepage holes 61 are formed in positions of the drainage channels 6 corresponding to the water seepage holes 31. The bottom surface of the ditch cover plate 7 is connected with the top of the drainage ditch 6, the position, close to the edges of the two sides of the ditch cover plate 7, of the top of the ditch cover plate 7 is flush with the asphalt surface layer 4, the center of the top of the ditch cover plate 7 is sunken downwards, and a plurality of drainage grooves 71 are formed in the ditch cover plate 7. The collecting box 8 is a box body with an opening at the top, the collecting box 8 is arranged in the drainage channel 6, the collecting box 8 is provided with a plurality of water outlets 81 which are sequentially connected along the length direction of the drainage channel 6, and the bottom of the collecting box 8 is provided with a plurality of water outlets. The flexible filter screen 9 is a net structure with elasticity, and the flexible filter screen 9 is arranged at the top of the collecting box 8.

The fixing assembly 10 is used for connecting the flexible filter screen 9 with the collecting box 8, and the fixing assembly 10 comprises a fixing pile 101 and a connecting ring 102. The fixing pile 101 is of a structure with a circular section, and the fixing pile 101 is fixed at the top of the collecting box 8. The connecting ring 102 is of a semicircular structure, the connecting ring 102 is fixed with the edge of the flexible filter screen 9, and the connecting ring 102 is connected with the fixing piles 101 in a hanging mode.

When encountering rain weather, rain water flows to the ditch cover plates 7 on two sides and passes through the drainage grooves 71, the rain water flows through the flexible filter screen 9 and is gathered into the drainage ditch 6 through the water outlet 81 on the collection box 8 and discharged, the flexible filter screen 9 collects sundries such as silt, fallen leaves, dried branches and the like above the collection box 8, the probability that sundries enter the drainage ditch 6 and accumulate to cause sundries to block the drainage ditch 6 is reduced, the pavement drainage work is facilitated, when sundries in the flexible filter screen 9 need to be cleaned, a worker unloads the connecting ring 102 on the flexible filter screen 9 from the fixed piles 101 on the top of the collection box 8, so that the flexible filter screen 9 is detached from the collection box 8, at the moment, the flexible filter screen 9 is lifted and the sundries are cleaned, and after the flexible filter screen 9 is cleaned, the connecting ring 102 is hung on the fixed piles 101, the flexible filter screen 9 is installed, and the flexible filter screen 9 is quickly detached and installed is facilitated.

In order to facilitate the smooth drainage work, the area of one mesh on the flexible filter screen 9 is 1-2 square millimeters, which is favorable for the flexible filter screen 9 to intercept impurities such as small-particle sediment, and reduces the probability that the sediment, sand and other particles enter the drainage canal 6 to raise the height of the bottom in the drainage canal 6, thereby facilitating the smooth drainage work.

In order to be convenient for clear up debris on the flexible filter screen 9, run through on ditch apron 7 and be provided with the U-shaped body of rod 11 that slides with ditch apron 7 and be connected, U-shaped body of rod 11 both ends all are fixed with stopper 12, stopper 12's diameter is greater than U-shaped body of rod 11's cross-section circle diameter, when needs are opened ditch apron 7, the staff pulls out U-shaped body of rod 11 and mentions, stopper 12 upper surface supports tightly with ditch apron 7 lower surface, the probability that U-shaped body of rod 11 breaks away from ditch apron 7 has been reduced, mention U-shaped body of rod 11 and can lift up ditch apron 7, thereby the debris on the flexible filter screen 9 of staff clearance of being convenient for.

For the safety of use, the length of the U-shaped rod body 11 is greater than the thickness of the ditch cover plate 7, and the length of the U-shaped rod body 11 is set so that the U-shaped rod body 11 can be stored, the probability of accidents of pedestrians and vehicles caused by the protrusion of the upper end of the U-shaped rod body 11 is reduced, and the use safety is improved.

In order to improve the efficiency of drainage, run through in drainage canal 6 bottom wall and be provided with the fixed supplementary drain pipe 13 of drainage canal 6, supplementary drain pipe 13 lower extreme runs through in proper order and does not pass through cement layer 2 and road bed layer 1 to with secret drainage system intercommunication, when the rainwater volume is great, the water accessible supplementary drain pipe 13 in the drainage canal 6 flows to secret drainage system, thereby has improved the efficiency of drainage, has reduced the untimely drainage of rainwater and has led to the probability of road surface ponding.

The use principle of the pavement structure in the embodiment is as follows: when encountering rain weather, the rain flows to the ditch cover plates 7 on two sides and passes through the drainage grooves 71, the rain flows through the flexible filter screen 9, and is converged into the drainage ditch 6 through the water outlet 81 on the collecting box 8 and discharged, the flexible filter screen 9 collects sundries such as silt, fallen leaves, dried branches and the like above the collecting box 8, the probability that the sundries enter the drainage ditch 6 and are accumulated, and the sundries block the water outlet at the downstream of the drainage ditch 6 is reduced, so that the pavement drainage work is facilitated.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (8)

1. The utility model provides a pavement structure, includes road bed (1), impervious cement layer (2), permeable layer (3) and pitch surface course (4) that set gradually from bottom to top, road bed (1) both sides top all is provided with road tooth (5), intersection department between impervious cement layer (2) both sides and road tooth (5) is provided with escape canal (6), escape canal (6) top is provided with ditch apron (7), a plurality of escape canal (71), characterized by have been seted up on ditch apron (7): the drainage ditch (6) is internally provided with a plurality of collection boxes (8) which are sequentially connected along the length direction of the drainage ditch (6), a plurality of water draining holes (81) are formed in the bottoms of the collection boxes (8), flexible filter screens (9) are arranged at the tops of the collection boxes (8), and the flexible filter screens (9) are connected with the collection boxes (8) through fixing assemblies (10).

2. A pavement structure according to claim 1, wherein: the fixing assembly (10) comprises a fixing pile (101) fixed on the top of the collecting box (8) and a connecting ring (102) fixed on the edge of the flexible filter screen (9), and the connecting ring (102) is hung with the fixing pile (101).

3. A pavement structure according to claim 2, wherein: the area of one mesh on the flexible filter screen (9) is 1-2 square millimeters.

4. A pavement structure according to claim 3, wherein: the water ditch cover plate (7) is provided with a U-shaped rod body (11) in a penetrating mode, the U-shaped rod body (11) is connected with the water ditch cover plate (7) in a sliding mode, limiting blocks (12) are fixed at two ends of the U-shaped rod body (11), and the diameter of each limiting block (12) is larger than the diameter of a cross section circle of the U-shaped rod body (11).

5. A pavement structure according to claim 4, wherein: the length of the U-shaped rod body (11) is larger than the thickness of the ditch cover plate (7).

6. A pavement structure according to claim 5, wherein: the height of the upper surface of the cement-impermeable layer (2) decreases from the middle part of the pavement structure to two sides, a plurality of water passing holes (31) are reserved at the bottom of the water permeable layer (3), and water seepage holes (61) are formed in positions of the water drainage channels (6) corresponding to the water passing holes (31).

7. A pavement structure according to claim 6, wherein: the positions, close to two sides of the ditch cover plate (7), of the top of the ditch cover plate (7) are flush with the asphalt surface layer (4), and the center of the top of the ditch cover plate (7) is recessed downwards.

8. A pavement structure according to claim 7, wherein: the inner bottom wall of the drainage canal (6) is penetrated and provided with an auxiliary drainage pipe (13) fixed with the drainage canal (6), and the lower end of the auxiliary drainage pipe (13) sequentially penetrates through the cement-impermeable layer (2) and the roadbed layer (1) and is communicated with an underground drainage system.