CN111809468A

CN111809468A - Town road drainage structures

Info

Publication number: CN111809468A
Application number: CN202010707277.3A
Authority: CN
Inventors: 陈彬
Original assignee: Sichuan Feng Feng Construction Engineering Co ltd
Current assignee: Sichuan Feng Feng Construction Engineering Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-23
Anticipated expiration: 2040-07-22
Also published as: CN111809468B

Abstract

The utility model relates to a town road drainage structures belongs to town road drainage technical field, including road main part and embankment, the road main part is close to embankment department and has seted up the drainage shaft, the well head department of drainage shaft is provided with the apron, the filtration pore has been seted up on the apron, it is provided with the mounting bracket to slide along vertical direction in the drainage shaft, vertical fixed being provided with is used for inserting the clearance pole of filtering the pore on the mounting bracket, be provided with the drive assembly who is used for ordering about the mounting bracket oscilaltion in the drainage shaft. During the rainfall, rainwater on the road main body passes the apron and converges in the drain well, and drive assembly drive clearance pole up-and-down motion, when clearance pole upward movement, will filter the downthehole rubbish that blocks up and clear away, prevent effectively that the filtration pore from blockking up, improve drainage performance, prevent surface gathered water effectively.

Description

Town road drainage structures

Technical Field

The application relates to town road drainage technology field especially relates to a town road drainage structures.

Background

At present, drainage of municipal roads is mainly realized by arranging drainage wells connected with a municipal drainage system on two sides of the roads, and rainwater grates are arranged at openings of the drainage wells. During rainy days, accumulated water on the municipal road converges to the drainage well, and is drained into a municipal drainage system after being filtered by the rainwater grate.

Chinese patent No. CN207062682U discloses a municipal road drainage structure, which comprises a drainage channel, a cover plate is laid on the drainage channel, a drainage outlet is arranged on the cover plate, a water permeable port is arranged between the cover plates, a water collection tank is arranged below the water permeable port on the drainage channel, a through hole is arranged at the bottom of the water collection tank, and the water collection tank is rotatably connected to the drainage channel; when the road surface water yield is great, ponding gets into the water catch bowl, and the water catch bowl rotates downwards to drive the shrouding horizontal migration, make the opening of shrouding correspond with the outlet, ponding on the road surface can be in the discharge channel through the outlet drainage.

However, when the precipitation is large, the rainwater on the ground surface brings a large amount of silt, leaves and other garbage, so that the drainage port on the cover plate is easily blocked, the drainage capacity is reduced, the road surface drainage is not smooth, and the water accumulation on the road surface is caused.

Disclosure of Invention

In order to improve drainage capacity, this application provides a town road drainage structures.

The application provides a municipal administration road drainage structures adopts following technical scheme:

the utility model provides a town road drainage structures, includes road main part and embankment, road main part is close to embankment department and has seted up the drainage shaft, the well head department of drainage shaft is provided with the apron, the filtration pore has been seted up on the apron, it is provided with the mounting bracket to slide along vertical direction in the drainage shaft, vertical fixed being provided with is used for inserting the clearance pole of filtering the pore on the mounting bracket, be provided with the drive assembly who is used for ordering about the mounting bracket oscilaltion in the drainage shaft.

Through adopting above-mentioned technical scheme, during the rainfall, rainwater in the road main part passes the apron and converges in the drain well, and drive assembly drive clearance pole up-and-down motion, when clearance pole upward movement, will filter the downthehole rubbish of blockking up and clear away, prevent effectively that the filtration hole from blockking up, improve drainage performance, prevent surface gathered water effectively.

Preferably: the drive assembly includes pivot, impeller, drive shaft, cam and resets the piece, the vertical rotation of pivot sets up in the drain well, the impeller is fixed to be set up in the pivot, the drive shaft level is rotated and is set up in the drain well, the transmission is connected with the switching-over subassembly between pivot and the drive shaft, the cam is fixed to be set up in the one end that the pivot was kept away from to the drive shaft, the diapire butt of cam and mounting bracket, it sets up and is used for ordering about the mounting bracket downstream to reset the piece on the lateral wall of drain well.

By adopting the technical scheme, rainwater on the road surface is gathered in the drainage well, and if the rainfall is large, the rainwater in the drainage well has large flow and impacts the impeller to further drive the impeller to rotate, the impeller drives the rotating shaft to rotate, the rotating shaft drives the driving shaft to rotate through the reversing assembly, the driving shaft drives the cam to rotate, and the cam intermittently pushes the mounting frame and the cleaning rod to move upwards, so that the purpose of continuously cleaning the filter holes is achieved; and the piece that resets orders about mounting bracket and clearance pole resets downwards fast, prevents that the clearance pole from being in the filtration pore for a long time and influencing the drainage.

Preferably: the lateral wall of drainage shaft has seted up the spout along vertical direction, the spout sets up two at least, it is provided with the slider to slide in the spout, mounting bracket and slider fixed connection.

Through adopting above-mentioned technical scheme, the spout cooperates with the slider, plays the effect to the mounting bracket direction, prevents that the mounting bracket from taking place the slope under the impact of rainwater.

Preferably: a stop block is fixedly arranged at the notch of the sliding groove, a hollow fixed rod is vertically and fixedly arranged on the bottom wall of the stop block, a sliding rod penetrates through the fixed rod in a sliding mode, and one end, extending out of the fixed rod, of the sliding rod is abutted to the sliding block; the piece that resets is the pressure spring, the pressure spring sets up in the dead lever, the one end of pressure spring and the diapire butt of dead lever, the other end and slide bar butt.

By adopting the technical scheme, when the cam rotates to a high point, the cam pushes the mounting frame to move upwards, and the pressure spring pushes the mounting and cleaning rod to reset downwards quickly in the process of continuing to rotate the cam; and set up the pressure spring in the dead lever, play the effect that blocks the rainwater, reduce rainwater and pressure spring direct contact and corrode the pressure spring, increase of service life.

Preferably: the road main part is located well drainage department and has seted up the mounting groove, the apron sets up in the mounting groove, the lateral wall of mounting groove is fixed to be provided with the stopper that is used for with the roof butt of apron.

Through adopting above-mentioned technical scheme, inlay the apron and establish in the mounting groove, and the setting of stopper plays and prevents that the apron from being washed away from the well head by the rainwater, improves the security.

Preferably: the bottom wall of the mounting groove is provided with a mounting hole, the depth of the mounting groove is greater than the thickness of the cover plate, and a supporting spring for driving the cover plate to abut against the limiting block is arranged in the mounting hole; flood discharge grooves are formed in the side walls of the mounting grooves, and the height of each flood discharge groove in the vertical direction is larger than the thickness of the cover plate.

Through adopting above-mentioned technical scheme, when the rainwater is great, the earth's surface begins ponding, and the water level on the apron rises, increases the pressure to the apron, orders about apron compression supporting spring and downstream, treats apron downstream flood discharge groove department when, and too much ponding is in the sump pit leaks into the drain well from the flood discharge groove, improves the drainage ability greatly, reduces surface ponding.

Preferably: the side wall of embankment has seted up the storage tank along vertical direction, it can float the floating member on the surface of water to slide to be provided with in the storage tank, floating member is connected with the coupling assembling that is used for driving apron downstream.

Through adopting above-mentioned technical scheme, if the rainwater is too big and lead to ground ponding, along with the rising of ground rainwater water level, drive the floating member and rise, the floating member passes through coupling assembling and drives apron downstream to make too much ponding leak into the drainage well from the flood discharge groove, improve drainage ability greatly, reduce ground ponding.

Preferably: the connecting assembly comprises a pull rope, a first reversing wheel and a second reversing wheel, the first reversing wheel is arranged under the floating part, the second reversing wheel is arranged on the bottom wall of the accommodating groove, the pull rope is wound on the first reversing wheel and the second reversing wheel, one end of the pull rope is fixedly connected with the floating part, and the other end of the pull rope is fixedly connected with the bottom wall of the cover plate.

Through adopting above-mentioned technical scheme, at the floating member along with the in-process that the rainwater rose, the motion of floating member pulling stay cord, the stay cord is backward through first switching-over wheel and second switching-over in turn, and the apron is stimulateeed downwards, realizes ordering about the apron and moves to flood discharge groove department to in improving drainage ability.

Preferably: the guide bar is fixedly arranged in the accommodating groove along the vertical direction, the floating part is sleeved on the guide bar in a sliding manner, a limiting table used for limiting the position of the floating part is fixedly arranged on the top wall of the guide bar, and when the floating part is abutted against the limiting table, the distance between the bottom wall of the cover plate and the bottom wall of the mounting groove is greater than zero.

By adopting the technical scheme, the guide rod is arranged to guide the floating piece and prevent the floating piece from separating from the accommodating groove; and the setting of spacing platform plays the biggest height that the limited floating piece rises, and when floating piece and spacing platform butt, the distance between the diapire of apron and the diapire of mounting groove is greater than zero to in the rainwater can let out smoothly into the drain well through the clearance between the diapire of apron and mounting groove, guarantee that the drainage is unobstructed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the rain falls, rainwater on the road main body passes through the cover plate and is collected into the drainage well, the driving assembly drives the cleaning rod to move up and down, and when the cleaning rod moves upwards, garbage blocked in the filtering holes is removed, so that the filtering holes are effectively prevented from being blocked, the drainage performance is improved, and water accumulation on the road surface is effectively prevented;

2. when the cam rotates to a high point, the cam pushes the mounting frame to move upwards, and in the process that the cam continues to rotate, the pressure spring pushes the mounting and cleaning rod to reset downwards quickly; the compression spring is arranged in the fixed rod, so that the effect of blocking rainwater is achieved, the phenomenon that the compression spring is corroded due to direct contact between rainwater and the compression spring is reduced, and the service life is prolonged;

3. when the rainwater is great, the earth's surface begins ponding, and the water level on the apron rises, increases the pressure to the apron, orders about apron compression supporting spring and downstream, treats apron downstream flood discharge groove department when, and in too much ponding spilled into the sump pit from the flood discharge groove, improve drainage ability greatly, reduce surface ponding.

Drawings

FIG. 1 is a schematic structural diagram of the whole of the embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is an enlarged view of the portion A in FIG. 2 of the present embodiment;

fig. 4 is an exploded view of an embodiment of the present application.

Description of reference numerals: 1. a road body; 11. mounting grooves; 111. a limiting block; 112. mounting holes; 1121. a support spring; 113. a flood discharge trough; 2. an embankment; 21. a containing groove; 211. a guide bar; 2111. a limiting table; 22. a float member; 3. a drainage well; 31. a cover plate; 311. a filtration pore; 32. a chute; 321. a slider; 33. a first fixing plate; 4. a mounting frame; 41. cleaning the rod; 411. a tip; 42. an annular frame; 43. a butting tray; 5. a drive assembly; 51. a rotating shaft; 52. an impeller; 53. a drive shaft; 54. a cam; 55. a reset member; 6. a stopper; 61. fixing the bolt; 7. fixing the rod; 71. a slide bar; 81. pulling a rope; 82. a first reversing wheel; 83. a second reversing wheel; 9. a commutation assembly; 91. a first bevel gear; 92. a second bevel gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses town road drainage structures.

As shown in figures 1 and 2, the municipal road drainage structure comprises a road body 1 and an embankment 2, wherein a drainage well 3 is arranged at the position, close to the embankment 2, of the road body 1, a cover plate 31 is arranged at the wellhead position of the drainage well 3, and a filtering hole 311 is formed in the cover plate 31.

As shown in fig. 2 and 3, the mounting frame 4 is slidably disposed in the drainage well 3 along the vertical direction, and the mounting frame 4 includes an annular frame 42 and a butting disk 43, and the butting disk 43 is fixedly disposed at the geometric center of the annular frame 42. The mounting frame 4 is vertically and fixedly provided with a cleaning rod 41 inserted into the filter hole 311, the cleaning rod 41 is vertically and fixedly arranged on the annular frame 42, and the cleaning rod 41 is arranged in a plurality along the circumferential direction of the annular frame 42. Each filtering hole 311 is correspondingly provided with a cleaning rod 41, the diameter of the cleaning rod 41 is smaller than that of the filtering hole 311, and the top of the cleaning rod 41 is provided with a tip 411. In the initial state, the cleaning rod 41 is located below the cover plate 31, and a gap exists between the tip 411 and the bottom wall of the cover plate 31.

Referring to fig. 4, a driving assembly 5 for driving the mounting bracket 4 to ascend and descend is disposed in the drain well 3, and the driving assembly 5 includes a rotating shaft 51, an impeller 52, a driving shaft 53, a cam 54, and a reset member 55. The rotating shaft 51 is vertically and rotatably arranged in the drainage well 3, the first fixing plate 33 is fixedly arranged on the side wall of the drainage well 3, and the rotating shaft 51 is rotatably arranged in the first fixing plate 33 in a penetrating manner.

Referring to fig. 4, the impeller 52 is fixedly installed on the rotating shaft 51, and a gap is formed between the impeller 52 and the inner wall of the drain well 3. When the rainwater is small, the rainwater flows down along the inner wall of the drainage well 3, so that the rainwater is prevented from impacting the impeller 52 and the impeller 52 is prevented from rotating. I.e., generally, in the case where the amount of discharged water is small, the impeller 52 does not rotate.

As shown in fig. 4, the driving shaft 53 is horizontally and rotatably disposed in the drainage well 3, and the driving shaft 53 is rotatably disposed in the second fixing plate and fixedly disposed on the inner wall of the drainage well 3. The reversing assembly 9 is in transmission connection between the rotating shaft 51 and the driving shaft 53, and the reversing assembly 9 comprises a first bevel gear 91 and a second bevel gear 92. The first bevel gear 91 is coaxially and fixedly arranged at the top end of the rotating shaft 51, the second bevel gear 92 is coaxially and fixedly arranged on the driving shaft 53, and the first bevel gear 91 and the second bevel gear 92 are meshed. The cam 54 is fixedly provided at one end of the drive shaft 53 remote from the rotating shaft 51, and the cam 54 abuts against the bottom wall of the abutting plate.

In the drainage well 3 is assembled to the rainwater on the road surface, if when rainfall is great, rainwater flow in the drainage well 3 is great, will strike impeller 52 on, and then drive impeller 52 and rotate, impeller 52 drives pivot 51 and rotates, and pivot 51 passes through switching-over subassembly 9 drive shaft 53 and rotates, and drive shaft 53 drives cam 54 and rotates, and cam 54 intermittent type promotes mounting bracket 4 and clearance pole 41 upward movement, and then realizes the purpose of clearing up filtration pore 311 in succession.

As shown in fig. 2 and 3, the side wall of the drainage well 3 is provided with at least two sliding grooves 32 along the vertical direction, the sliding grooves 32 are provided with sliding blocks 321 in the sliding grooves 32, and the mounting frame 4 is fixedly connected with the sliding blocks 321. The chute 32 is matched with the sliding block 321 to guide the mounting rack 4, so that the mounting rack 4 is prevented from inclining under the impact of rainwater.

As shown in fig. 3 and 4, a stopper 6 is fixedly disposed at the notch of the chute 32, and a fixing bolt 61 screwed with the bottom wall of the chute 32 is inserted into the stopper 6. If the mounting frame 4 needs to be repaired and replaced, the stop block 6 is detached, and the mounting frame 4 is taken out upwards along the chute 32.

As shown in fig. 3 and 4, a hollow fixing rod 7 is vertically and fixedly disposed on the bottom wall of the stopper 6, a sliding rod 71 is slidably disposed in the fixing rod 7, and one end of the sliding rod 71 extending out of the fixing rod 7 abuts against the sliding block 321. Reset 55 and set up and be used for ordering about mounting bracket 4 downstream on the lateral wall of drainage well 3, reset 55 and be the pressure spring, and the pressure spring sets up in dead lever 7, the one end of pressure spring and the diapire butt of dead lever 7, the other end and slide bar 71 butt.

Reset piece 55 forces mounting bracket 4 and clearance pole 41 to reset downwards fast, prevents that clearance pole 41 from being in filtering hole 311 for a long time and influencing the drainage. And set up the pressure spring in dead lever 7, play the effect that blocks the rainwater, reduce rainwater and pressure spring direct contact and corrode the pressure spring, increase of service life.

Wherein, as shown in fig. 2 and 3, the road body 1 is located the drain well 3 and has been seted up mounting groove 11, and the apron 31 sets up in mounting groove 11, and the lateral wall of mounting groove 11 is fixed and is provided with stopper 111 that is used for the roof butt with the apron 31, and stopper 111 is the annular piece, and the roof of stopper 111 flushes with ground. With apron 31 inlays to be established in mounting groove 11, and stopper 111's setting plays and prevents that apron 31 from being washed away from the well head by the rainwater, improves the security.

As shown in fig. 2 and 3, the bottom wall of the mounting groove 11 is provided with a plurality of mounting holes 112, and the plurality of mounting holes 112 are uniformly distributed at intervals along the circumferential direction of the cover plate 31. The depth of the mounting groove 11 is greater than the thickness of the cover plate 31, and a support spring 1121 for driving the cover plate 31 to abut against the limit block 111 is arranged in the mounting hole 112; one end of the support spring abuts against the bottom wall of the mounting hole 112, and the other end abuts against the bottom wall of the cover plate 31.

In addition, as shown in fig. 2 and 3, a flood discharge groove 113 is formed in the side wall of the mounting groove 11, and the height of the flood discharge groove 113 in the vertical direction is greater than the thickness of the cover plate 31.

When rainwater is great, the earth's surface begins ponding, and the water level on the apron 31 rises, increases the pressure to apron 31, orders about apron 31 compression supporting spring 1121 and downstream, treats apron 31 downstream flood discharge groove 113 department, and too much ponding is in discharging well 3 from flood discharge groove 113, improves the drainage ability greatly, reduces surface ponding.

As shown in fig. 2 and 3, a containing groove 21 is formed in the side wall of the embankment 2 along the vertical direction, a floating member 22 capable of floating on the water surface is arranged in the containing groove 21 in a sliding manner, the floating member 22 can be made of foam, the floating member 22 is connected with a connecting assembly used for driving the cover plate 31 to move downwards, the connecting assembly is provided with two groups, and the connecting assembly comprises a pull rope 81, a first reversing wheel 82 and a second reversing wheel 83. The first reversing wheel 82 is arranged right below the floating piece 22, the second reversing wheel 83 is arranged on the bottom wall of the accommodating groove 21, the pull rope 81 is wound on the first reversing wheel 82 and the second reversing wheel 83, one end of the pull rope 81 is fixedly connected with the floating piece 22, and the other end of the pull rope 81 is fixedly connected with the bottom wall of the cover plate 31.

If the rainwater is too large and causes the water accumulated on the ground, the floating piece 22 is driven to rise along with the rise of the water level of the rainwater on the ground. In the process that the floating piece 22 rises along with rainwater, the floating piece 22 pulls the pull rope 81 to move, and the cover plate 31 is pulled downwards after the pull rope 81 is reversed by the first reversing wheel 82 and the second reversing wheel 83; so that excessive accumulated water is discharged into the drainage well 3 from the flood discharge groove 113, the drainage capacity is greatly improved, and the surface accumulated water is reduced.

As shown in fig. 2 and 3, a guide rod 211 is fixedly disposed in the receiving groove 21 along a vertical direction, the floating member 22 is slidably sleeved on the guide rod 211, a stop 2111 for limiting the position of the floating member 22 is fixedly disposed on a top wall of the guide rod 211, and when the floating member 22 abuts against the stop 2111, a distance between a bottom wall of the cover plate 31 and a bottom wall of the mounting groove 11 is greater than zero.

The guide bar 211 is arranged to guide the floating member 22 and prevent the floating member 22 from separating from the accommodating groove 21; and the setting of spacing platform 2111 plays the biggest height that the limited floating piece 22 rose, and when floating piece 22 and spacing platform 2111 butt, the distance between the diapire of apron 31 and the diapire of mounting groove 11 is greater than zero to in the rainwater can let out the drainage well 3 smoothly through the clearance between the diapire of apron 31 and mounting groove 11, guarantee that the drainage is unobstructed.

The implementation principle of the embodiment of the application is as follows: when raining, rainwater on the road body 1 passes through the cover plate 31 and is gathered into the drainage well 3; if the rainfall is large, the flow rate of the rainwater in the drainage well 3 is large, and the rainwater will impact the impeller 52. And then the impeller 52 is driven to rotate, the impeller 52 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the driving shaft 53 to rotate through the reversing assembly 9, the driving shaft 53 drives the cam 54 to rotate, and the cam 54 intermittently pushes the mounting frame 4 and the cleaning rod 41 to move upwards. The garbage blocked in the filtering holes 311 is removed, so that the filtering holes 311 are effectively prevented from being blocked, the drainage performance is improved, and the water accumulation on the road surface is effectively prevented.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a town road drainage structures, includes road main part (1) and embankment (2), drainage well (3), its characterized in that have been seted up to road main part (1) near embankment (2) department: well head department of drainage shaft (3) is provided with apron (31), filter hole (311) have been seted up on apron (31), it is provided with mounting bracket (4) to slide along vertical direction in drainage shaft (3), vertical fixed clearance pole (41) that are used for inserting filter hole (311) that are provided with on mounting bracket (4), be provided with drive assembly (5) that are used for ordering about mounting bracket (4) oscilaltion in drainage shaft (3).

2. The municipal road drainage structure according to claim 1, wherein: drive assembly (5) are including pivot (51), impeller (52), drive shaft (53), cam (54) and reset piece (55), pivot (51) vertical rotation sets up in drainage well (3), impeller (52) are fixed to be set up on pivot (51), drive shaft (53) level is rotated and is set up in drainage well (3), the transmission is connected with switching-over subassembly (9) between pivot (51) and drive shaft (53), cam (54) are fixed to be set up in the one end that pivot (51) were kept away from in drive shaft (53), the diapire butt of cam (54) and mounting bracket (4), reset piece (55) set up and are used for ordering about mounting bracket (4) downstream on the lateral wall of drainage well (3).

3. A municipal road drainage structure according to claim 2, wherein: spout (32) have been seted up along vertical direction to the lateral wall of drainage well (3), spout (32) set up two at least, it is provided with slider (321) to slide in spout (32), mounting bracket (4) and slider (321) fixed connection.

4. A municipal road drainage structure according to claim 3, wherein: a stop block (6) is fixedly arranged at the notch of the sliding chute (32), a hollow fixing rod (7) is vertically and fixedly arranged on the bottom wall of the stop block (6), a sliding rod (71) penetrates through the fixing rod (7) in a sliding manner, and one end, extending out of the fixing rod (7), of the sliding rod (71) is abutted to the sliding block (321); the reset piece (55) is a pressure spring, the pressure spring is arranged in the fixed rod (7), one end of the pressure spring is abutted against the bottom wall of the fixed rod (7), and the other end of the pressure spring is abutted against the sliding rod (71).

5. A municipal road drainage structure according to claim 1 or 4, wherein: road main part (1) is located drainage shaft (3) and has seted up mounting groove (11), apron (31) set up in mounting groove (11), the lateral wall of mounting groove (11) is fixed be provided with be used for with stopper (111) of the roof butt of apron (31).

6. A municipal road drainage structure according to claim 5, wherein: a mounting hole (112) is formed in the bottom wall of the mounting groove (11), the depth of the mounting groove (11) is larger than the thickness of the cover plate (31), and a supporting spring (1121) for driving the cover plate (31) to abut against the limiting block (111) is arranged in the mounting hole (112); flood discharge groove (113) have been seted up to the lateral wall of mounting groove (11), flood discharge groove (113) are greater than the thickness of apron (31) along vertical direction's height.

7. A municipal road drainage structure according to claim 6, wherein: storage tank (21) have been seted up along vertical direction to the lateral wall of embankment (2), it can float floating member (22) on the surface of water to slide to be provided with in storage tank (21), floating member (22) are connected with the coupling assembling that is used for driving apron (31) downstream.

8. A municipal road drainage structure according to claim 7, wherein: coupling assembling includes stay cord (81), first reverse wheel (82) and second reverse wheel (83), first reverse wheel (82) set up under floating member (22), second reverse wheel (83) set up in the diapire of storage tank (21), stay cord (81) are around locating on first reverse wheel (82) and second reverse wheel (83), the one end and the floating member (22) fixed connection of stay cord (81), the diapire fixed connection of the other end and apron (31).

9. A municipal road drainage structure according to claim 8, wherein: guide rods (211) are fixedly arranged in the accommodating groove (21) along the vertical direction, the floating piece (22) is slidably sleeved on the guide rods (211), a limiting platform (2111) used for limiting the position of the floating piece (22) is fixedly arranged on the top wall of the guide rods (211), and when the floating piece (22) abuts against the limiting platform (2111), the distance between the bottom wall of the cover plate (31) and the bottom wall of the mounting groove (11) is larger than zero.