CN113863473B - Municipal drainage structure and construction method thereof - Google Patents

Abstract

The utility model relates to a municipal drainage structure and a construction method thereof, comprising a foundation, wherein a drainage channel communicated with the outside is arranged in the foundation, the lower end of the drainage channel is communicated with a drainage cavity, one end of the drainage cavity far away from the drainage channel is communicated with an underground water pipeline, and one end of the drainage cavity far away from the drainage channel is communicated with an underground water pipeline; a drainage well is arranged at the position of the foundation, which is positioned in the drainage channel; the intersection of drainage chamber and offal passageway is provided with the filter screen, and offal passageway department is provided with and is used for carrying out clear clean subassembly to the filter screen, and clean subassembly includes the connecting rod, rotates waterwheel car and clean brush hair, rotate the outer wall department that the connecting rod was located to waterwheel car cover, rotate the circumferential direction that the connecting rod can be followed to the waterwheel car, clean brush hair sets up in the outer wall department that rotates the waterwheel car, and clean brush hair offsets the effect that this application has the phenomenon that reduces the filter screen and blocks up with the surface of filter screen.

Description

Municipal drainage structure and construction method thereof

Technical Field

The application relates to the field of municipal road construction, in particular to a municipal drainage structure and a construction method thereof.

Background

Municipal drainage is a drainage mode for collecting, conveying, treating and discharging municipal sewage and rainwater.

In general municipal drainage, a drainage cavity is formed in a foundation and is communicated with a municipal sewer pipe, and a filter screen is arranged in the drainage cavity, so that external impurities are reduced from entering the drainage cavity and flowing into the municipal sewer pipe; however, after the filter screen is used for a long time, impurities are accumulated on the surface of the filter screen, so that water is difficult to flow into municipal sewer pipes.

Disclosure of Invention

In order to reduce the blocking condition of the filter screen, the application provides a municipal drainage structure and a construction method thereof.

The application provides a municipal drainage structure and a construction method thereof, which adopts the following technical scheme:

a municipal drainage structure comprises a foundation, wherein a drainage channel communicated with the outside is arranged in the foundation, the lower end of the drainage channel is communicated with a drainage cavity, one end, away from the drainage channel, of the drainage cavity is communicated with an underground water pipeline, and one end, away from the drainage channel, of the drainage cavity is communicated with the underground water pipeline; a drainage well is arranged at the position, located in the drainage channel, of the foundation; the intersection of drainage chamber and offal passageway is provided with the filter screen, offal passageway department is provided with and is used for carrying out clear clean subassembly to the filter screen, clean subassembly includes the connecting rod, rotates waterwheel car and clean brush hair, the outer wall department of connecting rod is located to the rotation waterwheel car cover, the rotation circumferential direction that the connecting rod can be followed to the rotation waterwheel car, clean brush hair sets up in the outer wall department that rotates the waterwheel car, clean brush hair offsets with the surface of filter screen.

Through adopting above-mentioned technical scheme, when the water through the drainage well when assaulting rotating the waterwheel car, rotating the waterwheel car and rotating, after the clean brush hair offseted with the surface of filter screen, the impurity clearance of clean brush hair with filter screen department to reducible filter screen department impurity is piled up and is made the phenomenon of filter screen jam.

Optionally, two sliding chutes have been seted up to sewer passage's lateral wall department, the sliding chute is located the relative both sides lateral wall department of sewer passage length direction, sewer passage is provided with the sliding block in being located the sliding chute, the one end of connecting rod is connected with the sliding block in a sliding chute, the other end of connecting rod is connected with the sliding block in another sliding chute, the sliding block can slide along the length direction of sliding chute and be used for driving clean subassembly to adjust along sewer passage's direction of height, every all be provided with the elastic component in the sliding chute, the elastic component is located the both sides of sliding block direction of height.

Through adopting above-mentioned technical scheme, after the clean subassembly received the impact of water, the direction of height that the sliding tray can be followed to clean subassembly removes to change the contact point of clean brush hair and filter screen department, with the clean scope of promotion clean brush hair to filter screen department.

Optionally, a waterproof flexible sleeve is arranged on the outer wall of the elastic part.

Through adopting above-mentioned technical scheme, waterproof flexible sleeve cladding is in the outer wall department of elastic component to reducible water makes rusty phenomenon of elastic component with the elastic component contact for a long time, has promoted the durability of elastic component.

Optionally, an auxiliary rod is arranged on the side wall of one side of the drainage channel away from the drainage cavity, a hook ring is arranged at one end of the auxiliary rod away from the inner wall of the drainage channel, and the hook ring is abutted to the cleaning bristles.

Through adopting above-mentioned technical scheme, clean subassembly is to the impurity clearance back of filter screen surface department, rotates the waterwheel and continues to rotate, and the impurity of clean brush hair department is pulled down from clean brush hair by the colluding ring of auxiliary rod department to clear up clean brush hair, pile up too much phenomenon with the impurity that reduces clean brush hair department.

Optionally, a cleaning member for cleaning sundries at the hook ring is arranged at the sewer passage, the cleaning member includes an extension bar and a plurality of hook bars, the extension bar is arranged along the length direction of the sewer passage, the hook bars are arranged along the length direction of the extension bar, and the hook bars and the auxiliary bars are arranged in a staggered manner; and a driving piece for driving the cleaning piece to ascend or descend is arranged at the sewer channel.

Through adopting above-mentioned technical scheme, the back that rises of driving piece drive clearance piece, the hooked pole will collude the impurity of ring department and establish and collude impurity and collude the ring separation to the impurity that will collude ring department cleans, can further clean the impurity that colludes ring department again, thereby keeps the clean and tidy nature of ring department.

Optionally, the driving member includes a driving motor, a mounting plate, a driving rod, a supporting square rod and a lifting ring; the lower end of the driving rod is rotatably connected with the bottom wall of the drainage channel, the driving rod is positioned on one side of the drainage channel away from the drainage cavity, the upper end of the driving rod is connected with the mounting plate, one end of the mounting plate away from the driving rod is connected with the driving motor, the driving rod penetrates through the mounting plate and is fixedly connected with a coupler of the driving motor, the supporting square rod is positioned on one side of the driving rod close to the drainage cavity, and the lifting ring is in sliding connection with the supporting square rod; an annular groove is formed in the outer wall of the driving rod, and a groove matched with the annular groove of the driving rod is formed in the outer wall of the lifting ring; one end of the connecting rod, which is far away from the connecting rod, is connected with the side wall of the lifting ring.

Through adopting above-mentioned technical scheme, start driving motor, the actuating lever rotates the back, and the direction of height that the lift ring was followed the support square bar slides to make the high change that takes place of clearance, so that clear away the impurity of clearance department, thereby promote the convenience in use of clearance.

It is optional, offal passageway department is provided with drive clearance piece pivoted and rotates the piece, it includes servo motor, dwang, connecting plate and fixed plate to rotate the piece, the one end of fixed plate is connected with the one end of extension bar, the other end and the mounting panel of extension bar are connected, the one end and the connecting plate of dwang rotate to be connected, the other end and the mounting panel of dwang rotate to be connected, the one side that the connecting plate was kept away from to the mounting panel is connected with servo motor, the mounting panel is worn to establish by the dwang and the coupling joint with servo motor, the one end that clean subassembly was kept away from to the auxiliary rod is connected with the dwang.

Through adopting above-mentioned technical scheme, after the clearance subassembly rebound, start servo motor, the dwang rotates and drives the hook rod and rotate, can change the angle of hook rod, and operating personnel can clear up the impurity of hook rod department after opening the drainage shaft to reduce the phenomenon that operating personnel need get into the sewer and clear up the impurity of hook rod department again.

Optionally, the dwang includes dead lever and installation pole, the groove of stepping down has been seted up on the surface of dead lever, the installation pole is inserted and is located in the groove of stepping down, the auxiliary rod sets up in installation pole department, connecting bolt is worn to be equipped with in the surface department of installation pole, connecting bolt and dead lever threaded connection.

Through adopting above-mentioned technical scheme, the long-time back of working of hook rod can appear damaging, and the dead lever can be dismantled with the installation pole to change the hook rod, thereby reduce the hook rod and be difficult to carry out comprehensive clearance's phenomenon to impurity after damaging.

Optionally, a magnetic part is arranged on the surface of the mounting rod, and an adsorption part magnetically attracted with the magnetic part is arranged on the position of the abdicating groove of the fixing rod.

Through adopting above-mentioned technical scheme, when equipment dead lever and installation pole, will install the pole and place to let the groove in make installation pole and dead lever when fitting, the laminating is attracted to magnetism spare and absorption piece each other, can carry out interim fixing to the installation pole this moment to connecting bolt's installation, effectively promoted connecting bolt's installation convenience.

Optionally, a construction method adopted by the municipal drainage structure comprises the following steps:

excavating a drainage channel and a drainage cavity: excavating a drainage channel and a drainage cavity on the surface of the foundation according to construction requirements, wherein the stone drainage cavity is communicated with the drainage channel;

installing a filter screen: measuring the sizes of the drainage channel and the drainage cavity, manufacturing a filter screen, and installing the filter screen at the intersection of the drainage channel and the drainage cavity;

installing a cleaning component: a sliding groove is formed in the side wall of the sewer channel, a sliding block is inserted into the sliding groove, and a connecting rod of the cleaning assembly is welded with the sliding block in the sliding groove, so that the cleaning assembly can slide along the height direction of the sliding groove;

installing an auxiliary rod: the auxiliary rod is welded to the side wall of the sewer pipe far away from one side of the drainage cavity, and the hook ring at the auxiliary rod is abutted to the cleaning bristles.

Through adopting above-mentioned technical scheme, through the clean subassembly of installation for clean subassembly offsets with the filter screen, makes to rotate the waterwheel car through the scouring action of water and rotates, thereby makes the impurity of clean brush hair to filter screen department clear away, can reduce the phenomenon that the filter screen blockked up.

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

1. the cleaning component for cleaning the filter screen is arranged at the sewer passage, and the rotating waterwheel is washed after a water body passes through the drainage well, so that the rotating waterwheel rotates, and the cleaning bristles clean impurities at the filter screen, thereby effectively reducing the phenomenon of filter screen blockage;

2. the auxiliary rod and the hook ring are arranged at the lower water channel, after the cleaning bristles on one side, away from the filter screen, of the water wheel vehicle rotate, the impurities at the cleaning bristles are hooked down by the hook ring, and therefore the phenomenon that the impurities are accumulated at the cleaning bristles can be reduced.

Drawings

FIG. 1 is a schematic illustration of a municipal drainage structure according to an embodiment of the application.

Fig. 2 isbase:Sub>A schematic sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a schematic sectional view taken along the line B-B in fig. 1.

Fig. 4 is a schematic view showing the elastic member and the waterproof flexible cover.

Fig. 5 is a schematic view of fig. 2 with the cleaning assembly removed.

Fig. 6 is a schematic view showing a connection relationship between the fixing lever and the mounting lever.

Description of reference numerals:

1. a foundation; 11. a drainage cavity; 12. a drainage well; 13. an underground water pipeline; 14. a filter screen; 2. a water drainage channel; 21. a sliding groove; 22. a slider; 23. an elastic member; 231. a waterproof flexible sleeve; 3. a cleaning assembly; 31. a connecting rod; 32. rotating the water wheel vehicle; 33. cleaning the bristles; 4. an auxiliary lever; 41. hooking a ring; 5. cleaning the workpiece; 51. lengthening the rod; 51. a hook rod; 6. a drive member; 61. a drive motor; 62. mounting a plate; 63. a drive rod; 64. supporting the square rod; 641. an annular groove; 65. a lifting ring; 651. a groove; 7. a rotating member; 71. a servo motor; 72. a connecting plate; 73. a fixing plate; 74. rotating the rod; 741. fixing the rod; 7411. a yielding groove; 7412. an adsorbing member; 742. mounting a rod; 7421. a magnetic member; 743. and connecting the bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses municipal drainage structure. Referring to fig. 1 and 2, a municipal drainage structure includes ground 1, excavation has drainage chamber 11 in the ground 1, drainage chamber 11's one side lateral wall department intercommunication has groundwater pipeline 13, drainage chamber 11's opposite side lateral wall department intercommunication has sewer 2, sewer 2 outwards stretches out ground 1, sewer 2 has filter screen 14 through the fix with screw with the intersection of drainage chamber 11, sewer 2 keeps away from the one end of drainage chamber 11 and has placed drainage well 12, drainage well 12 is the rectangle well, when ponding appears in the road surface, the water flows in sewer 2 through drainage well 12, and enter drainage chamber 11, finally flow in groundwater pipeline 13.

Referring to fig. 2 and 3, a cleaning assembly 3 for cleaning the filter screen 3 is arranged at the position of the sewage channel 2, the cleaning assembly 3 comprises a connecting rod 31, a rotary waterwheel 32 and cleaning bristles 33, the rotary waterwheel 32 is sleeved at the outer wall of the connecting rod 31, in the embodiment of the application, the connecting rod 31 is a circular rod; the rotary waterwheel 32 can rotate along the circumferential direction of the connecting rod 31, the outer wall of the rotary waterwheel 32 is fixedly adhered with the cleaning bristles 33 through waterproof glue, and the cleaning bristles 33 are abutted against the side wall of one side of the filter screen 14 away from the underground water pipeline 13; when the water falls into the drainage channel 2 from the drainage well 12, the water impacts the rotary water wheel vehicle 32 to drive the rotary water wheel vehicle 32 to rotate, and the cleaning bristles 33 clean the surface of the filter screen 14 to reduce the phenomenon that the filter screen 14 is blocked.

Referring to fig. 2 and 3, sliding grooves 21 are formed in the side walls at the two ends of the underground water pipeline 13 in the length direction, the sliding grooves 21 are formed in the height direction of the underground water pipeline 13, the two sliding grooves 21 are arranged oppositely, a sliding block 22 is inserted into each sliding groove 21, the sliding block 22 can slide in the height direction of the sliding groove 21, one end of a connecting rod 31 is welded and fixed to one sliding block 22, the other end of the connecting rod 31 is welded and fixed to the other sliding block 22, the sliding block 21 enables the height position of the connecting rod 31 to be changed after sliding in the sliding groove 21, and therefore the height position of the rotating water wheel vehicle 32 is adjusted, and the rotating water wheel vehicle 32 can clean filter screens 14 at different horizontal positions.

Referring to fig. 3 and 4, each sliding groove 21 is provided with an elastic element 23, in the embodiment of the present application, the elastic elements 23 are springs, two sides of the sliding block 22 in the height direction are provided with the elastic elements 23, one end of each elastic element 23 is welded and fixed to a side wall of the sliding block 22, the other end of each elastic element 23 is welded and fixed to an end wall of the sliding groove 21, and when the rotating waterwheel 32 is not subjected to the impact force of a water body, the sliding block 22 is driven by the elastic elements 23 to return.

Referring to fig. 3 and 4, the outer wall of the elastic member 23 is sleeved with the waterproof flexible sleeve 231, in the embodiment of the present application, the waterproof flexible sleeve 231 is made of waterproof rubber, so that the elastic member 23 can be reduced by the waterproof flexible sleeve 231 to corrode and rust the water, and the durability of the elastic member 23 is improved.

Referring to fig. 3 and 5, an auxiliary rod 4 is welded and fixed to the inner wall of the sewer channel 2, the auxiliary rod 4 is located at a side wall of the sewer channel, which is far away from the drainage cavity 11, the auxiliary rod 4 forms a certain angle with the side wall of the sewer channel 2, a hook ring 41 is integrally formed at one end, which is far away from the auxiliary rod 4 and is connected with the sewer channel 2, the cleaning bristles 33 abut against the hook ring 41, after the water wheel vehicle 32 rotates, the cleaning bristles 33 abut against the hook ring 41 after cleaning the filter screen 14, and the hook ring 41 hooks the impurities at the cleaning bristles 33 down from the cleaning bristles 33, so that the neatness of the cleaning bristles 33 can be maintained.

Referring to fig. 2 and 5, sewer 2 department is provided with clearance piece 5 that is used for carrying out the clearance to the impurity that colludes ring 41 department, clearance piece 5 includes extension bar 51 and a plurality of hooked pole 52, extension bar 51 sets up along sewer 2's length direction, hooked pole 52 sets up along extension bar 51's length direction, crisscross setting each other between hooked pole 52 and the auxiliary rod 4, after hooked pole 52 rises, hooked pole 52 colludes down the impurity that colludes ring 41 department to can clear up colluding ring 41.

Referring to fig. 2 and 5, a rotating member 7 for driving the cleaning member 5 to rotate is arranged at the position of the sewer 2, the rotating member 7 includes a servo motor 71, a connecting plate 72, a fixing plate 73 and a rotating rod 74, the connecting plate 72 is fixedly welded to one end of the lengthening rod 51, the fixing plate 73 is fixedly welded to the other end of the lengthening rod 51, the fixing plate 73 and the connecting plate 72 are oppositely arranged, the rotating rod 74 is located between the fixing plate 73 and the connecting plate 72, one end of the rotating rod 74 is connected with a bearing of the fixing plate 73, the other end of the rotating rod 74 is rotatably connected with the connecting plate 72, one end of the rotating plate 51 far away from the fixing plate 73 is fixed to the servo motor 71 through a screw, and the rotating rod 74 penetrates through the connecting plate 72 and is fixedly welded to a coupler of the servo motor 71; when the servo motor 71 is activated, the rotating rod 74 is rotated to adjust the angle of the hook rod 52, and the end of the hook rod 52 near the hook ring 41 is rotated to the drain well 12 for subsequent worker to clean the hook rod 52.

Referring to fig. 2 and 5, a driving part 6 for driving the cleaning part 5 to ascend or descend is arranged at the position of the sewer 2, the driving part 6 includes a driving motor 61, a mounting plate 62, a driving rod 63, a supporting square rod 64 and a lifting ring 65, the driving rod 63 is located at the bottom wall of the sewer 2, the driving rod 63 is located at one side of the sewer 2 away from the drainage cavity 11, the driving rod 63 is located at the center of the sewer 2 in the length direction, the lower end of the driving rod 63 is connected with a bottom wall bearing of the sewer 2, the other end of the driving rod 63 is rotatably connected with the mounting plate 62, the driving motor 61 is fixedly connected with one end of the mounting plate 62 close to the drainage well 12 through a screw, the driving rod 63 penetrates the mounting plate 62 upwards, and the driving rod 63 is welded and fixed with a coupler of the driving motor 61; the supporting square rod 64 is positioned on the side of the driving rod 63 close to one of the drainage cavities 11, the supporting square rod 64 is fixedly welded with the bottom wall of the drainage channel 2, the lifting ring 65 is sleeved at the outer wall of the supporting square rod 64, the lifting ring 65 is matched with the supporting square rod 64, the lifting ring 65 can slide along the height direction of the supporting square rod 64, the outer wall of the connecting rod 31 is provided with an annular groove 641, and the outer wall of the lifting ring 65 is provided with a groove 651 matched with the annular groove 641; after the driving motor 61 is started, the driving rod 63 rotates, and the driving rod 63 is matched with the lifting ring 65 sleeve to drive the lifting ring 65 sleeve to move along the height direction of the supporting square rod 64, so that the height of the cleaning piece 5 can be adjusted.

The outer wall of the lifting ring 65 is fixedly welded with a connecting plate 72, and one end of the lifting ring 65 is fixedly welded with the lengthening rod 51 by the connecting plate 72.

Referring to fig. 5 and 6, the rotating rod 74 includes a fixing rod 741 and an installation rod 742, the hook rod 52 is disposed at the installation rod 742, an abdicating slot 7411 is formed on a surface of the fixing rod 741, the installation rod 742 is inserted into the abdicating slot 7411 of the fixing rod 741, a magnetic member 7421 is embedded on a surface of the installation rod 742 which is attached to the abdicating slot 7411, an adsorbing member 7412 magnetically attracted to the magnetic member 7421 is embedded on a bottom wall of the abdicating slot 7411, in this embodiment, the magnetic member 7421 is a magnet, the adsorbing member 7412 is an iron sheet, when the installation rod 742 is installed on the fixing rod 741, the fixing rod 741 and the installation rod 742 can be temporarily positioned by matching the magnetic member 7421 with the adsorbing member 7412, so as to facilitate subsequent installation and positioning of the installation rod 742.

Referring to fig. 6, a connection bolt 743 is penetrated through the surface of the installation rod 742, the connection bolt 743 is connected with the fixing rod 741 through a thread, the fixing rod 741 can be connected with the connection bolt 743 through the thread, the operation is convenient, and the subsequent replacement and maintenance of the hook rod 52 are convenient.

A construction method adopted by a municipal drainage structure comprises the following steps:

excavation launching channel 2 and drainage cavity 11: excavating a drainage channel 2 and a drainage cavity 11 on the surface of the foundation 1 according to construction requirements, wherein the stone drainage cavity is communicated with the drainage channel 2;

installing the filter screen 14: measuring the sizes of the drainage cavity 11 and the drainage channel 2, manufacturing a filter screen 14, and installing the filter screen 14 at the intersection of the drainage channel 2 and the drainage cavity 11;

installing the cleaning component 3: a sliding groove 21 is formed in the side wall of the sewer passage 2, a sliding block 22 is inserted into the sliding groove 21, and a connecting rod 31 of the cleaning component 3 is welded with the sliding block 22 in the sliding groove 21, so that the cleaning component can slide along the height direction of the sliding groove 21;

installing an auxiliary rod 4: the auxiliary rod 4 is welded to the side wall of the side of the sewer pipe far away from the drainage cavity 11, and the hook ring 41 at the auxiliary rod 4 is abutted against the cleaning bristles 33.

The implementation principle of municipal drainage structure of the embodiment of this application does:

firstly, excavating a drainage channel 2 and a drainage cavity 11 according to construction requirements, then communicating the drainage cavity 11 with an underground water pipeline 13, installing a filter screen 14 to the intersection of the water storage cavity and the drainage channel 2, then, opening a sliding groove 21 on the side wall of the drainage channel 2, installing a sliding block 22 into the sliding groove 21, then welding a connecting rod 31 and the sliding block 22 at a cleaning component 3, and then, inserting an elastic member 23 sleeved with a waterproof flexible sleeve 231 into the sliding groove 21; then, the auxiliary rod 4 is welded at the side wall of the launching channel 2; then, the driving rod 63 and the supporting square rod 64 are respectively installed at the bottom wall of the sewer 2, and then, the lifting ring 65 with the cleaning member 5 is sleeved at the outer wall of the supporting square rod 64 and the lifting ring 65 is adapted to the driving rod 63.

In rainy days, rainwater washing rotates waterwheel 32 to make rotating waterwheel 32 rotate, after cleaning bristles 33 offset with filter screen 14, cleaning bristles 33 clean up the impurities at filter screen 14, after rotating waterwheel 32 continues to rotate, hook ring 41 pulls down the impurities at cleaning bristles 33, then, drive motor 61 is started, rotating rod 74 rotates, the angle of hook rod 52 is adjusted, servo motor 71 is restarted, the height of hook rod 52 is adjusted, drive motor 61 is started again, hook rod 52 is positioned below hook ring 41 by adjusting the position of hook rod 52, then servo motor 71 is started, lifting ring 65 rises, hook rod 52 pulls up the impurities at hook ring 41 to make the impurities break away from hook ring 41, namely, the impurities at hook ring 41 can be cleaned up.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 (2)

1. A municipal drainage structure, comprising a foundation (1), characterized in that: a drainage channel (2) communicated with the outside is arranged in the foundation (1), the lower end of the drainage channel (2) is communicated with a drainage cavity (11), and one end, far away from the drainage channel (2), of the drainage cavity (11) is communicated with an underground water pipeline (13); a drainage well (12) is arranged at the position, located on the drainage channel (2), of the foundation (1); the drainage device is characterized in that a filter screen (3) is arranged at the intersection of the drainage cavity (11) and the drainage channel (2), a cleaning component (3) for cleaning the filter screen (3) is arranged at the drainage channel (2), the cleaning component (3) comprises a connecting rod (31), a rotary water wheel vehicle (32) and cleaning bristles (33), the rotary water wheel vehicle (32) is sleeved at the outer wall of the connecting rod (31), the rotary water wheel vehicle (32) can rotate along the circumferential direction of the connecting rod (31), the cleaning bristles (33) are arranged at the outer wall of the rotary water wheel vehicle (32), and the cleaning bristles (33) are abutted to the surface of the filter screen (14);

two sliding grooves (21) are formed in the side wall of the sewer passage (2), the sliding grooves (21) are located on the two opposite side walls in the length direction of the sewer passage (2), a sliding block (22) is arranged in the sliding groove (21) of the sewer passage (2), one end of a connecting rod (31) is connected with the sliding block (22) in one sliding groove (21), the other end of the connecting rod (31) is connected with the sliding block (22) in the other sliding groove (21), the sliding block (22) can slide in the length direction of the sliding groove (21) to drive the cleaning assembly (3) to adjust in the height direction of the sewer passage (2), an elastic piece (23) is arranged in each sliding groove (21), and the elastic pieces (23) are located on two sides in the height direction of the sliding block (22);

a waterproof flexible sleeve (231) is arranged on the outer wall of the elastic piece (23);

an auxiliary rod (4) is arranged on the side wall of one side, away from the drainage cavity (11), of the drainage channel (2), a hook ring (41) is arranged at one end, away from the inner wall of the drainage channel (2), of the auxiliary rod (4), and the hook ring (41) abuts against the cleaning bristles (33);

the cleaning piece (5) used for cleaning sundries at the hook ring (41) is arranged at the position of the sewer channel (2), the cleaning piece (5) comprises an extension bar (51) and a plurality of hook bars (52), the extension bar (51) is arranged along the length direction of the sewer channel (2), the hook bars (52) are arranged along the length direction of the extension bar (51), and the hook bars (52) and the auxiliary bars (4) are arranged in a staggered mode; a driving piece (6) for driving the cleaning piece (5) to ascend or descend is arranged at the sewer channel (2);

the driving piece (6) comprises a driving motor (61), a mounting plate (62), a driving rod (63), a supporting square rod (64) and a lifting ring (65); the lower end of the driving rod (63) is rotatably connected with the bottom wall of the drainage channel (2), the driving rod (63) is located on one side, away from the drainage cavity (11), of the drainage channel (2), the upper end of the driving rod (63) is connected with the mounting plate (62), one end, away from the driving rod (63), of the mounting plate (62) is connected with the driving motor (61), the driving rod (63) penetrates through the mounting plate (62) and is fixedly connected with a shaft coupling of the driving motor (61), the supporting square rod (64) is located on one side, close to the drainage cavity (11), of the driving rod (63), and the lifting ring (65) is slidably connected with the supporting square rod (64); an annular groove (641) is formed in the outer wall of the driving rod (63), and a groove (651) matched with the annular groove (641) of the driving rod (63) is formed in the outer wall of the lifting ring (65); one end of the connecting rod (31) far away from the connecting rod (31) is connected with the side wall of the lifting ring (65);

sewer (2) department is provided with drive clearance spare (5) pivoted rotation piece (7), it includes servo motor (71), dwang (74), connecting plate (72) and fixed plate (73) to rotate piece (7), the one end of fixed plate (73) is connected with the one end of increase pole (51), the other end and the mounting panel (62) of increase pole (51) are connected, the one end and the connecting plate (72) of dwang (74) rotate to be connected, the other end and the mounting panel (62) of dwang (74) rotate to be connected, the one side that connecting plate (72) were kept away from in mounting panel (62) is connected with servo motor (71), mounting panel (62) are worn out in dwang (74) and with the coupling joint of servo motor (71), the one end that cleaning assembly (3) was kept away from in auxiliary rod (4) is connected with dwang (74);

the rotating rod (74) comprises a fixing rod (741) and an installation rod (742), an abdicating groove (7411) is formed in the surface of the fixing rod (741), the installation rod (742) is inserted into the abdicating groove (7411), the auxiliary rod (4) is arranged at the installation rod (742), a connecting bolt (743) penetrates through the surface of the installation rod (742), and the connecting bolt (743) is in threaded connection with the fixing rod (741);

the surface of the mounting rod (742) is provided with a magnetic part (7421), and the fixing rod (741) is positioned in the abdicating groove (7411) and is provided with an adsorption part (7412) magnetically attracted with the magnetic part (7421).

2. A method of constructing a municipal drainage structure according to claim 1, wherein: the method comprises the following steps:

excavation sewer passage (2) and drainage cavity (11): excavating a drainage channel (2) and a drainage cavity (11) on the surface of the foundation (1) according to construction requirements, wherein the stone drainage cavity is communicated with the drainage channel (2);

installing a filter screen (14): measuring the sizes of the drainage cavity (11) and the drainage channel (2), manufacturing a filter screen (14), and installing the filter screen (14) at the intersection of the drainage channel (11) and the drainage channel (2);

mounting the cleaning assembly (3): a sliding groove (21) is formed in the side wall of the sewer channel (2), a sliding block (22) is inserted into the sliding groove (21), and a connecting rod (31) of the cleaning component (3) is welded with the sliding block (22) in the sliding groove (21), so that the cleaning component can slide along the height direction of the sliding groove (21);

mounting auxiliary rod (4): the auxiliary rod (4) is welded to the side wall of one side, away from the drainage cavity (11), of the sewer pipeline, and a hook ring (41) at the auxiliary rod (4) is abutted to the cleaning bristles (33).

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