Urban road pipe well and construction method thereof

Abstract

The present application relates to a kind of urban road pipe well, it includes pipe well and dirt accumulation platform, the pipe well is arranged in rainwater inlet, the bottom of the pipe well is provided with the communication green belt water delivery pipe, the dirt accumulation platform is annularly arranged, and is connected on the pipe well, dirt accumulation groove is arranged on the dirt accumulation platform, the inlet end of the pipe well is provided with fixing ring, the well lid is placed on the fixing ring, locking assembly for locking the well lid is arranged on the fixing ring.The present application can improve the drainage effect of urban road.

Description

Technical Field

[0001] This invention relates to the field of urban road drainage technology, and in particular to an urban road manhole and its construction method. Background Technology

[0002] With increased rainfall during the rainy season, urban road drainage becomes particularly important in order to maintain smooth traffic flow, beautify the road environment, and ensure vehicle safety.

[0003] In existing technologies, construction workers commonly use storm drain grates to cover storm drains on urban roads, allowing pedestrians and vehicles to pass normally. However, the drainage channels on the surface of commonly used storm drain grates have relatively large gaps. During periods of heavy rainfall, a large amount of leaves, branches, and garbage from near green belts can enter the urban underground water pipe network through these drainage channels. As the amount of leaves, branches, and garbage increases, the urban underground water pipe network is prone to blockage, which slows down road drainage and increases road surface water accumulation, affecting the safety of urban roads. Summary of the Invention

[0004] To improve the drainage effect of urban roads, this application provides an urban road manhole and its construction method.

[0005] This application provides a technical solution for urban road manholes and their construction method, using the following approach: A type of urban road manhole includes a manhole and a sludge collection platform. The manhole is installed inside a rainwater inlet. A water delivery pipe connecting to a green belt is installed at the bottom of the manhole. The sludge collection platform is arranged in a circular shape and connected to the manhole. A sludge collection trough is provided on the sludge collection platform. A fixing ring is provided at the inlet end of the manhole. A manhole cover is placed on the fixing ring. A locking component for locking the manhole cover is provided on the fixing ring.

[0006] By adopting the above technical solution, rainwater enters the storm drain inlet, passes through the manhole cover into the pipe well, and is then transported to the green belt on the side of the road via the water pipe, achieving the desired drainage effect. Construction workers utilize water collection troughs to settle finer impurities and use manhole covers to block larger leaves or debris, making it easier for sanitation workers to clean the storm drain inlets. This ensures that the water flowing into the pipe well is free of large impurities, reducing the possibility of blockages in the pipe well and allowing rainwater to flow smoothly from the drainage pipe into the green belt, thus improving the drainage efficiency of urban roads.

[0007] Optionally, the manhole cover is a three-dimensional turbine manhole cover.

[0008] By adopting the above technical solutions, the three-dimensional turbine manhole cover has advantages over traditional manhole covers, such as large drainage capacity and less clogging, making it easier to intercept branches, leaves and garbage on the three-dimensional turbine manhole cover.

[0009] Optionally, the locking assembly includes a fixed block, a flipping block, a locking block, and a pressure spring. The fixed block is connected to the fixed ring, the flipping block is rotatably connected to the top of the fixed block, a moving groove is formed on one side wall of the flipping block, the locking block is slidably fitted in the moving groove, the pressure spring is disposed in the moving groove and located between the bottom wall of the locking block and the moving groove, a moving rod is connected to the locking block, the moving rod passes through the flipping block and extends to the outside of the flipping block, an insertion groove is formed on the manhole cover, and a locking groove is also formed on the manhole cover to be inserted and fitted with the locking block. When the manhole cover is locked, the locking block is inserted and fitted in the locking groove.

[0010] By adopting the above technical solution, when locking the manhole cover, the construction worker places the manhole cover on the fixing ring, so that the fixing block passes through the insertion groove, and then rotates the flipping block. During this process, the moving rod is pulled to make the locking block enter the moving groove. The pressure spring is compressed until the side wall of the flipping block is in contact with the manhole cover. The moving rod is then released, and the locking block moves under the force of the pressure spring and partially enters the locking groove, thus achieving the effect of locking the manhole cover.

[0011] Optionally, a coarse filter screen is provided on the sludge collection platform, the coarse filter screen covers the manhole cover, and a stabilizing component is provided on the sludge collection platform to stabilize the coarse filter screen.

[0012] While the aforementioned technical solution effectively intercepts larger debris such as branches and leaves from the three-dimensional turbine manhole cover, the debris can become embedded in the grooves, making it difficult for sanitation workers to clean it up. Construction workers utilize a coarse filter to intercept larger debris, allowing it to settle within the filter and sedimentation tank, making it easier for sanitation workers to remove and improving the cleaning efficiency of the storm drain.

[0013] Optionally, the stabilizing component includes a limiting arc rail, a rotating arc strip, a clamping bead, and a push-out spring. At least two limiting arc rails are provided on the dirt accumulation platform. The rotating arc strip is connected to the coarse filter screen at the position corresponding to the limiting arc rail. The rotating arc strip slides within the limiting arc rail. A clamping groove is formed on the dirt accumulation platform near the inlet end of the limiting arc rail. A fixing plate is connected to the opening of the clamping groove. A clamping hole is formed on the fixing plate. The clamping bead is disposed within the clamping groove. The push-out spring is disposed within the clamping groove and is located between the clamping bead and the bottom wall of the clamping groove. When stabilizing the coarse filter screen, the clamping bead is partially located outside the fixing plate, the rotating arc strip is located within the limiting arc rail, and the clamping bead abuts against one end of the rotating arc strip.

[0014] By adopting the above technical solution, when stabilizing the coarse filter screen, the construction worker rotates the coarse filter screen so that the rotating arc bar enters the limiting arc rail. During this process, the rotating arc bar contacts the clamping bead, causing the clamping bead to enter the clamping groove. The ejector spring is compressed until the rotating arc bar is completely inside the limiting arc rail. The clamping bead moves in the opposite direction under the force of the ejector spring, and part of the clamping bead protrudes out of the fixing plate and abuts against one end of the rotating arc bar, thus achieving the effect of stabilizing the coarse filter screen.

[0015] Optionally, a drain pipe is provided in the sludge accumulation tank, the outlet of the drain pipe is connected to the inside of the manhole, and a filter screen is provided at the inlet of the drain pipe.

[0016] By adopting the above technical solution, the drainage pipe is used to assist in transporting rainwater in the sludge trough to the manhole, reducing the possibility of rainwater accumulation in the sludge trough and making it easier for fine impurities to accumulate in the sludge trough.

[0017] Optionally, the well is made of cement and contains several reinforcing bars.

[0018] By adopting the above technical solution, construction workers used a mixture of steel bars and cement to construct the manholes, which facilitated manhole fabrication and ensured the structural strength of the manholes.

[0019] Optionally, both the outer and inner walls of the well are provided with a waterproof layer.

[0020] By adopting the above technical solution, the cement on the surface of the manhole is easily penetrated by rainwater, leading to steel reinforcement corrosion and reducing the structural strength of the manhole. Therefore, waterproofing measures need to be applied to the manhole. Construction workers use a waterproof layer to separate rainwater from the manhole, reducing the possibility of the steel reinforcement inside the manhole coming into contact with rainwater and extending the service life of the manhole.

[0021] A construction method for urban road manholes includes the following steps: S1. Excavating the storm drain inlets: Drilling holes in the city road using drilling equipment to form drainage channels and storm drain inlets; S2. Emptying the storm drain inlets and drainage channels: Using a high-pressure water truck to fill the drainage channels and storm drain inlets with water, then using a dredging mixer to stir the silt in the storm drain inlets and drainage channels to dilute the silt. Next, using a vacuum truck to remove the diluted silt, then manually cleaning the drainage channels and storm drain inlets of any remaining silt, and using an electric hoist to remove the remaining silt. Finally, allowing the drainage channels and storm drain inlets to dry until the sidewalls are dry; S3. Waterproofing the manholes: Applying a waterproof layer to both the outer and inner walls of the manholes, applying at least two coats; S4. Installing the manholes and sludge collection platforms: First, using cement adhesive to... The sludge collection platform is connected to the manhole. Finally, a crane is used to lift the manhole and place it into the drainage channel. The sludge collection platform is placed at the rainwater inlet. Finally, the soil layer near the water delivery pipe is backfilled. S5. Install the manhole cover: Place the manhole cover on the fixing ring. The fixing block passes through the insertion groove. Rotate the flipping block and pull the moving rod to make the locking block enter the moving groove until the flipping block fits the manhole cover. Release the moving rod and the locking block enters the locking groove to lock the manhole cover. S6. Install the coarse filter screen: Place the coarse filter screen in the rainwater inlet and rotate the coarse filter screen so that the rotating arc strip enters the limiting arc rail. At this time, the abutting ball touches the rotating arc strip and descends until the rotating arc strip is completely in the limiting arc rail. The abutting ball rises under the force of the ejection spring. The abutting ball part protrudes from the fixing plate and abuts one end of the rotating arc strip to stabilize the coarse filter screen.

[0022] By adopting the above technical solutions, construction workers can use coarse filters and sludge collection troughs to intercept garbage in rainwater, and the use of three-dimensional turbine manhole covers can greatly ensure the drainage efficiency of rainwater, reduce the possibility of water pipe blockage, and ensure the drainage efficiency of rainwater in urban roads.

[0023] In summary, this application includes at least one of the following beneficial technical effects: 1. Rainwater enters the storm drain inlet, passes through the manhole cover into the manhole, and is then transported by the water pipe to the green belt on the side of the road, achieving the desired drainage effect. Construction workers use water collection troughs to settle finer impurities and use manhole covers to block larger leaves or debris, making it easier for sanitation workers to clean the storm drain inlets. This ensures that the water flowing into the manhole is free of large impurities, reducing the possibility of blockages in the water pipes and allowing rainwater to flow smoothly from the drainage pipes into the green belt, thus improving the drainage efficiency of urban roads. 2. When locking the manhole cover, the construction worker places the manhole cover on the fixing ring, so that the fixing block passes through the insertion groove, and then rotates the flipping block. During this process, the moving rod is pulled to make the locking block enter the moving groove. The pressure spring is compressed until the side wall of the flipping block is in contact with the manhole cover. The moving rod is released, and the locking block moves under the force of the pressure spring and partially enters the locking groove, thus achieving the effect of locking the manhole cover. 3. When stabilizing the coarse filter screen, the construction worker rotates the coarse filter screen so that the rotating arc bar enters the limiting arc rail. During this process, the rotating arc bar contacts the clamping bead, causing the clamping bead to enter the clamping groove. The ejector spring is compressed until the rotating arc bar is completely inside the limiting arc rail. The clamping bead moves in the opposite direction under the force of the ejector spring, and part of the clamping bead protrudes out of the fixing plate and abuts against one end of the rotating arc bar, thus achieving the effect of stabilizing the coarse filter screen. 4. Construction workers can use coarse filters and sludge collection troughs to intercept garbage in rainwater, and the use of three-dimensional turbine manhole covers greatly ensures the drainage efficiency of rainwater, reduces the possibility of water pipe blockage, and ensures the drainage efficiency of rainwater in urban roads. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of a city road manhole in an embodiment of this application.

[0025] Figure 2 This is a cross-sectional view used to illustrate the well structure in the embodiments of this application.

[0026] Figure 3 This is an exploded view used in the embodiments of this application to illustrate the robust component structure.

[0027] Figure 4 This is a partial cross-sectional view used in the embodiments of this application to illustrate the anti-clamping bead structure.

[0028] Figure 5 This is a schematic diagram of the structure of the manhole cover in the embodiments of this application.

[0029] Figure 6 This is an exploded view of the locking component structure in an embodiment of this application.

[0030] Figure 7 This is a cross-sectional view used to illustrate the locking block structure in the embodiments of this application. Explanation of reference numerals in the attached drawings: 01, rainwater inlet; 1, manhole; 11, reinforcing bar; 12, waterproof layer; 13, spiral conveying channel; 14, water conveying pipe; 15, fixing ring; 2, sludge collection platform; 21, sludge collection trough; 22, clamping groove; 221, fixing plate; 3, coarse filter screen; 4, stabilizing component; 41, limiting arc rail; 42, rotating arc bar; 43, clamping bead; 44, ejection spring; 5, manhole cover; 51, insertion groove; 52, locking groove; 6, locking component; 61, fixing block; 62, flipping block; 621, moving groove; 63, locking block; 631, moving rod; 64, pressure spring; 7, drain pipe; 71, filter screen. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0032] This application discloses a manhole for urban roads. (Refer to...) Figure 1 and Figure 2 A type of urban road manhole includes a manhole 1 and a sludge collection platform 2. The sludge collection platform 2 is arranged in a circular shape and is fixedly connected to a rainwater inlet 01. A sludge collection groove 21 is opened along its circumference on the sludge collection platform 2, and a coarse filter screen 3 is placed on the sludge collection platform 2.

[0033] Reference Figure 3 and Figure 4 A stabilizing component 4 is provided on the sludge collection platform 2. The stabilizing component 4 includes a limiting arc rail 41, a rotating arc strip 42, a clamping bead 43, and a push-out spring 44. Several limiting arc rails 41 are uniformly fixedly connected around the axis of the sludge collection platform 2. In this embodiment, three are used as an example. The rotating arc strip 42 is fixedly connected to the coarse filter screen 3 at the position corresponding to the limiting arc rail 41, and the rotating arc strip 42 slides within the limiting arc rail 41. A clamping groove 22 is opened on the sludge collection platform 2 near the inlet end of the limiting arc rail 41. A fixing plate 221 is fixedly connected to the opening of the clamping groove 22. The fixing plate 221 has a clamping hole. The clamping bead 43 and the push-out spring 44 are both arranged in the clamping groove 22. The push-out spring 44 is located between the clamping bead 43 and the bottom wall of the clamping groove 22. The clamping bead 43 abuts against the edge of the clamping hole and the rotating arc strip 42.

[0034] When stabilizing the coarse filter screen 3, the construction worker rotates the coarse filter screen 3, causing the rotating arc bar 42 to enter the limiting arc rail 41. During this process, the rotating arc bar 42 abuts against the clamping bead 43, causing the clamping bead 43 to enter the clamping groove 22. The ejector spring 44 is compressed until the rotating arc bar 42 is completely inside the limiting arc rail 41. The clamping bead 43 moves in the opposite direction under the force of the ejector spring 44 until part of the clamping bead 43 protrudes out of the fixing plate 221 and abuts against one end of the rotating arc bar 42, thus achieving the effect of stabilizing the coarse filter screen 3.

[0035] Reference Figure 2 and Figure 5 The manhole 1 is made of cast cement and contains several pre-installed reinforcing bars 11, which are evenly distributed circumferentially around the axis of the manhole 1. Both the outer and inner surfaces of the manhole 1 are coated with a waterproof layer 12, which can be a waterproofing agent, to isolate rainwater from the manhole 1. A water delivery pipe 14 is fixedly connected to the bottom of the manhole 1, and the outlet end of the water delivery pipe 14 connects to the green belt on the side of the urban road. A spiral conveying channel 13 is fixedly connected to the inner wall of the manhole 1, and the outlet end of the spiral conveying channel 13 connects to the water delivery pipe 14. The spiral conveying channel 13 makes the flow of rainwater within the manhole 1 more stable and allows it to smoothly enter the water delivery pipe 14, reducing the possibility of backflow within the manhole 1.

[0036] Reference Figure 2 , Figure 6 and Figure 7 A fixing ring 15 is fixedly connected to the inner wall of the manhole 1, and a manhole cover 5 is placed on the fixing ring 15. The manhole cover 5 can be a three-dimensional turbine manhole cover 5. Several sets of locking components 6 are provided on the fixing ring 15. In this embodiment, two sets are used as an example. The locking components 6 include a fixing block 61, a flipping block 62, a locking block 63, and a pressure spring 64. The fixing block 61 is fixedly connected to the fixing ring 15. A rotating shaft is fixedly connected to the flipping block 62. The flipping block 62 is provided with a rotation arc angle with the axis of the rotating shaft as the center. The flipping block 62 is connected to the top of the fixing block 61 through the rotating shaft. A moving groove 621 is opened on the flipping block 62. The locking block 63 is a rectangular block and slides in the moving groove 621. A moving rod 631 is fixedly connected to the locking block 63. The moving rod 631 passes through the flipping block 62 and slides in cooperation with the flipping block 62. The pressure spring 64 is sleeved on the moving rod 631 and located between the locking block 63 and the bottom wall of the moving groove 621. The manhole cover 5 has an insertion groove 151 that engages with the fixing block 61, and a locking groove 152 that engages with the locking block 63. The manhole 1 is fixedly connected to the sludge accumulation platform 2 with cement adhesive.

[0037] When locking the manhole cover 5, the construction worker places the manhole cover 5 on the fixing ring 15, so that the fixing block 61 passes through the insertion groove 151, and then rotates the flipping block 62. During this process, the moving rod 631 is pulled, so that the locking block 63 enters the moving groove 621. The pressure spring 64 is compressed until the side wall of the flipping block 62 is in contact with the manhole cover 5. The moving rod 631 is released, and the locking block 63 moves under the force of the pressure spring 64 and partially enters the locking groove 152, thus achieving the effect of locking the manhole cover 5.

[0038] Reference Figure 2 and Figure 3 To reduce the possibility of rainwater accumulation in the sludge trough 21, several drainage pipes 7 are fixedly connected between the sludge trough 2 and the manhole 1. A filter screen 71 is fixedly connected to the inlet end of the drainage pipe 7, and the outlet end of the drainage pipe 7 is connected to the inside of the manhole 1.

[0039] The implementation principle of a manhole in an urban road according to an embodiment of this application is as follows: When installing the manhole 1, the construction worker places the manhole cover 5 on the fixing ring 15, so that the fixing block 61 passes through the insertion groove 151, and then rotates the flipping block 62. During this process, the moving rod 631 is pulled, so that the locking block 63 enters the moving groove 621, and the pressure spring 64 is compressed until the side wall of the flipping block 62 is in contact with the manhole cover 5. The moving rod 631 is released, and the locking block 63 moves under the force of the pressure spring 64, and partially enters the locking groove 152 to lock. Tighten the manhole cover 5, then place the coarse filter screen 3 on the sludge collection platform 2, and rotate the coarse filter screen 3 so that the rotating arc strip 42 enters the limiting arc rail 41. During this process, the rotating arc strip 42 abuts against the clamping bead 43, so that the clamping bead 43 enters the clamping groove 22, until the rotating arc strip 42 is completely inside the limiting arc rail 41. The clamping bead 43 moves in the opposite direction under the force of the ejection spring 44 until part of the clamping bead 43 protrudes out of the fixing plate 221 and abuts against the rotating arc strip 42 to stabilize the coarse filter screen 3, thus realizing the installation of the installation manhole 1.

[0040] Construction workers use water collection troughs to settle smaller impurities and manhole covers 5 to block larger leaves or garbage, making it easier for sanitation workers to clean rainwater inlets 01. This ensures that the water flowing into manhole 1 is free of large impurities, reduces the possibility of the water pipe 14 in manhole 1 being blocked, and allows rainwater to flow smoothly from drainage pipe 7 into the green belt, improving the drainage effect of urban roads.

[0041] A construction method for urban road manholes includes the following steps: S1. Excavating rainwater inlet 01: Drilling holes in urban roads using drilling equipment and excavating a receiving trench that can accommodate the water delivery pipe 14 to form a drainage channel and rainwater inlet 01. The diameter of the rainwater inlet 01 is larger than the diameter of the drainage channel. S2. Empty the rainwater inlet 01 and drainage channel: Use a high-pressure water truck to fill the drainage channel and rainwater inlet 01 with water, and then use a dredging mixer to stir the sludge in the rainwater inlet 01 and drainage channel to dilute the sludge. Next, use a vacuum truck to suck up the diluted sludge. Then, manually clean the drainage channel and rainwater inlet 01 to remove the remaining sludge, and use an electric hoist to remove the remaining sludge. Finally, let the drainage channel and rainwater inlet 01 dry until the side walls of the drainage channel and rainwater inlet 01 are dry. S3. Waterproofing treatment of manhole 1: Apply waterproofing agent to the outer and inner surfaces of manhole 1 at least twice, and let the waterproofing agent dry. S4. Install manhole 1 and sludge collection platform 2: First, use cement adhesive to connect sludge collection platform 2 to manhole 1. Finally, use a crane to lift manhole 1 and put it into the drainage channel. Place sludge collection platform 2 at rainwater inlet 01. Finally, backfill the receiving tank. S5. Install manhole cover 5: Place manhole cover 5 on fixing ring 15, fix block 61 passes through insertion groove 151, rotate flip block 62, pull moving rod 631 to make locking block 63 enter moving groove 621 until the side wall of flip block 62 fits against manhole cover 5, release moving rod 631, and locking block 63 partially enters locking groove 152 to lock manhole cover 5. S6. Install the coarse filter screen 3: Place the coarse filter screen 3 on the dirt collection platform 2 and rotate the coarse filter screen 3 so that the rotating arc bar 42 enters the limiting arc rail 41. During this process, the clamping bead 43 contacts the rotating arc bar 42 and descends until the rotating arc bar 42 is completely inside the limiting arc rail 41. The clamping bead 43 rises under the force of the ejection spring 44, and part of the clamping bead 43 is exposed in the clamping hole and abuts against one end of the rotating arc bar 42 to stabilize the coarse filter screen 3. The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A type of urban road manhole, characterized in that: The system includes a manhole (1) and a sludge collection platform (2). The manhole (1) is located inside a rainwater inlet (01). A water pipe (14) connecting to the green belt is provided at the bottom of the manhole (1). The sludge collection platform (2) is arranged in a circular shape and connected to the manhole (1). A sludge collection trough (21) is provided on the sludge collection platform (2). A fixing ring (15) is provided at the inlet end of the manhole (1). A manhole cover (5) is placed on the fixing ring (15). A locking assembly (6) for locking the manhole cover (5) is provided on the fixing ring (15). The locking assembly (6) includes a fixing block (61), a flipping block (62), a locking block (63), and a pressure spring (64). The fixing block (61) is connected to the fixing ring (15). The flipping block (62) is rotatably connected to the top of the fixed block (61). A moving groove (621) is opened on one side wall of the flipping block (62). The locking block (63) is slidably fitted in the moving groove (621). The pressure spring (64) is set in the moving groove (621) and located between the bottom wall of the locking block (63) and the moving groove (621). A moving rod (631) is connected to the locking block (63). The moving rod (631) passes through the flipping block (62) and extends to the outside of the flipping block (62). A plug-in groove (51) is opened on the manhole cover (5). The manhole cover (5) also has a locking groove (52) that plugs into the locking block (63). When the manhole cover (5) is tightened, the locking block (63) is inserted into the locking groove (52); the manhole cover (5) is a three-dimensional turbine manhole cover; a coarse filter screen (3) is provided on the sludge collection platform (2), the coarse filter screen (3) covers the manhole cover (5), and a stabilizing component (4) is provided on the sludge collection platform (2) to stabilize the coarse filter screen (3); the stabilizing component (4) includes a limiting arc rail (41), a rotating arc strip (42), a retaining ball (43), and a push-out spring (44). At least two limiting arc rails (41) are provided on the sludge collection platform (2), and the rotating arc strip (42) is connected to the coarse filter screen (3) at the position corresponding to the limiting arc rail (41). The rotating arc strip (42) is slidably engaged with the locking groove (52). Inside the limiting arc rail (41), the sludge accumulation platform (2) has a clamping groove (22) at the entrance end near the limiting arc rail (41). A fixing plate (221) is connected to the groove opening of the clamping groove (22). The fixing plate (221) has a clamping hole. The clamping bead (43) is set inside the clamping groove (22). The ejection spring (44) is set inside the clamping groove (22) and is located between the clamping bead (43) and the bottom wall of the clamping groove (22). When the coarse filter screen (3) is stabilized, the clamping bead (43) is partially located outside the fixing plate (221). The rotating arc strip (42) is located inside the limiting arc rail (41). The clamping bead (43) abuts against one end of the rotating arc strip (42).

2. A manhole for urban roads according to claim 1, characterized in that: A drain pipe (7) is installed inside the sludge trough (21). The outlet of the drain pipe (7) is connected to the inside of the manhole (1). A filter screen (71) is installed at the inlet of the drain pipe (7).

3. A type of urban road manhole according to claim 1, characterized in that: The well (1) is made of cement and contains several steel bars (11).

4. A type of urban road manhole according to claim 3, characterized in that: The outer and inner walls of the well (1) are both provided with waterproof layers (12).

5. The construction method for urban road manholes according to claim 1 includes the following steps: S1. Excavating the rainwater inlet (01): Drilling holes in urban roads using drilling equipment to form drainage channels and rainwater inlets (01); S2. Empty the rainwater inlet (01) and the drainage channel: Use a high-pressure water truck to fill the drainage channel and rainwater inlet (01) with water, and then use a dredging mixer to stir the sludge in the rainwater inlet (01) and drainage channel to dilute the sludge. Then use a vacuum truck to suck up the diluted sludge. Then manually clean the drainage channel and rainwater inlet (01) of the remaining sludge, and use an electric hoist to transport the remaining sludge out. Finally, dry the drainage channel and rainwater inlet (01) until the side walls of the drainage channel and rainwater inlet (01) are dry. S3. Waterproofing treatment of manhole (1): Apply waterproof layer (12) to both the outer and inner walls of manhole (1), and apply waterproof layer (12) at least twice. S4. Install the well (1) and the sludge collection platform (2): First, use cement glue to connect the sludge collection platform (2) to the well (1). Finally, use a crane to lift the well (1) and put it into the drainage channel. Place the sludge collection platform (2) at the rainwater inlet (01). Finally, backfill the soil layer near the water delivery pipe (14). S5. Install the manhole cover (5): Place the manhole cover (5) on the fixing ring (15), pass the fixing block (61) through the insertion groove (51), rotate the flipping block (62), pull the moving rod (631) to make the locking block (63) enter the moving groove (621) until the flipping block (62) fits the manhole cover (5), release the moving rod (631), and the locking block (63) enters the locking groove (52) to lock the manhole cover (5); S6. Install the coarse filter screen (3): Place the coarse filter screen (3) inside the rainwater inlet (01) and rotate the coarse filter screen (3) so that the rotating arc strip (42) enters the limiting arc rail (41). At this time, the pressing bead (43) touches the rotating arc strip (42) and descends until the rotating arc strip (42) is completely inside the limiting arc rail (41). The pressing bead (43) rises under the force of the ejection spring (44), and part of the pressing bead (43) protrudes from the fixing plate (221) and abuts against one end of the rotating arc strip (42) to stabilize the coarse filter screen (3).

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