CN222183627U - A roadbed drainage structure for municipal road construction - Google Patents

A roadbed drainage structure for municipal road construction Download PDF

Info

Publication number
CN222183627U
CN222183627U CN202422669152.2U CN202422669152U CN222183627U CN 222183627 U CN222183627 U CN 222183627U CN 202422669152 U CN202422669152 U CN 202422669152U CN 222183627 U CN222183627 U CN 222183627U
Authority
CN
China
Prior art keywords
drainage
fixed
filter screen
movable rod
rotary cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202422669152.2U
Other languages
Chinese (zh)
Inventor
石晓康
何小武
杨航
杜国鹏
石欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Road & Bridge Co ltd
Original Assignee
Shaanxi Road & Bridge Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Road & Bridge Co ltd filed Critical Shaanxi Road & Bridge Co ltd
Priority to CN202422669152.2U priority Critical patent/CN222183627U/en
Application granted granted Critical
Publication of CN222183627U publication Critical patent/CN222183627U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sewage (AREA)

Abstract

本实用新型涉及道路施工技术领域,具体是一种市政道路施工用路基排水结构,包括排水箱,排水箱顶部固定有回形地漏,排水箱内部固定有排水井,排水井顶部开口处固定有第一过滤网,排水井内侧设置有贯穿第一过滤网的活动杆;排水井的内部固定有第二过滤网,第二过滤网上转动设置有转动筒体,活动杆活动插接在转动筒体内部;活动杆与转动筒体之间通过第一联动机构配合连接;第二过滤网上表面设置有多个刮板,刮板与转动筒体之间通过第二联动机构配合连接。本实用新型能对排水井内堵塞的杂物以及淤泥进行疏通,并将粘附在第二过滤网滤孔处的堵塞物进行刮除疏通,从而避免第二过滤网发生堵塞,进而达到使排水井内排水顺畅的目的。

The utility model relates to the technical field of road construction, specifically a roadbed drainage structure for municipal road construction, including a drainage box, a circular floor drain is fixed on the top of the drainage box, a drainage well is fixed inside the drainage box, a first filter is fixed at the top opening of the drainage well, and a movable rod that penetrates the first filter is arranged inside the drainage well; a second filter is fixed inside the drainage well, a rotating cylinder is rotatably arranged on the second filter, and the movable rod is movably inserted inside the rotating cylinder; the movable rod and the rotating cylinder are connected by a first linkage mechanism; a plurality of scrapers are arranged on the upper surface of the second filter, and the scrapers and the rotating cylinder are connected by a second linkage mechanism. The utility model can dredge the debris and sludge blocked in the drainage well, and scrape and dredge the blockage adhered to the filter hole of the second filter, thereby avoiding the blockage of the second filter, and further achieving the purpose of making the drainage in the drainage well smooth.

Description

Roadbed drainage structure for municipal road construction
Technical Field
The utility model relates to the technical field of separation, in particular to a roadbed drainage structure for municipal road construction.
Background
Roadbed drainage is an important link for maintaining roadbed stability, and aims to effectively collect and drain surface water and underground water. In the construction of municipal roads, drainage measures are indispensable to cope with sewage and rainwater generated during construction. The current common way of draining the roadbed is to direct these bodies of water into gutters and catch basins. However, during construction, a large amount of sediment is often associated, and the sediment often flows into the drainage system along with sewage and rainwater, and gradually accumulates in the drainage ditch and the rainwater well to form a blockage risk. In order to prevent accumulation of sundries and silt in the drainage ditch, the prior art usually adopts a filter screen for preliminary filtration. However, over time, impurities and sludge can accumulate on the filter screen, and particularly, accumulation is easily formed on one side of the screen, and even the filter holes are blocked, so that the filtering effect is weakened. And the subsequent filter screen maintenance work, such as taking the filter screen out of the drainage ditch for cleaning, is time-consuming and also consumes a great deal of manpower.
Disclosure of utility model
The utility model aims to provide a roadbed drainage structure for municipal road construction, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a road bed drainage structure for municipal road construction, includes the drainage tank, drainage tank top is fixed with the shape floor drain that returns, the drainage tank is inside to be fixed with the drainage well, drainage well top opening part is fixed with first filter screen, the drainage well inboard is provided with the movable rod that runs through first filter screen, the top of movable rod is fixed with the footboard, be provided with the expansion assembly that is used for supporting the footboard on the shape floor drain that returns;
The drainage device is characterized in that a drainage pipe is fixed at the bottom of the drainage well, a second filter screen is fixed in the drainage well, a rotary cylinder body is rotatably arranged on the second filter screen, the movable rod is movably inserted into the rotary cylinder body, a plurality of cantilever rods are fixed on the rotary cylinder body, a first baffle plate is fixed at the top end of the rotary cylinder body, a second baffle plate is fixed on the movable rod, and a spring sleeved on the movable rod is arranged between the second baffle plate and the first baffle plate;
The movable rod is in fit connection with the rotary cylinder body through a first linkage mechanism, and the rotary cylinder body is driven to rotate clockwise and anticlockwise in a reciprocating manner through the first linkage mechanism when the movable rod moves up and down;
The upper surface of the second filter screen is provided with a plurality of scrapers, the scrapers are connected with the rotating cylinder body in a matched mode through a second linkage mechanism, and the rotating cylinder body drives the scrapers to reciprocate on the upper surface of the second filter screen respectively through the second linkage mechanism when rotating in a clockwise and anticlockwise reciprocating mode so as to scrape plugs adhered to the filter holes of the second filter screen.
According to the roadbed drainage structure for municipal road construction, the telescopic assemblies are symmetrically distributed at the bottoms of the two ends of the pedal, each telescopic assembly comprises the limiting cylinder fixed on the bottom wall of the inside of the rectangular floor drain and the limiting rod fixed at the bottom of the pedal, and the lower end of each limiting rod is movably inserted into the corresponding limiting cylinder.
The roadbed drainage structure for municipal road construction is characterized in that one end of the drainage pipe extends to the inside of the drainage well and is positioned below the second filter screen, and the other end of the drainage pipe extends to the outside of the drainage box.
The roadbed drainage structure for municipal road construction is characterized in that a plurality of the pickers are vertically arrayed and circumferentially distributed on the periphery of the rotary cylinder at equal angles.
The roadbed drainage structure for municipal road construction is characterized in that the first linkage mechanism comprises a spiral groove formed in the movable rod and balls movably embedded into the inner wall of the rotary cylinder, and the balls are movably clamped in the spiral groove and can roll in a track formed by the spiral groove.
The roadbed drainage structure for municipal road construction comprises the annular frame fixed on the second filter screen and the rotating ring fixed on the rotating cylinder body, wherein the top cover is fixed at the top of the annular frame, the rotating cylinder body penetrates through the top cover and is movably clamped on the inner side of the annular frame, a plurality of arc-shaped grooves are formed in the circumference of the rotating ring at equal angles, clamping columns are movably clamped in the arc-shaped grooves, and connecting rods penetrating through the annular frame are fixed on the clamping columns and fixedly connected with the scraping plates.
According to the roadbed drainage structure for municipal road construction, the soft rubber layer is fixedly adhered to the surface of the scraping plate.
Compared with the prior art, the utility model has the beneficial effects that by arranging the first filter screen and the second filter screen, sewage enters the drainage well from the square floor drain and is discharged outwards after impurities are doubly filtered by the first filter screen and the second filter screen, the impurities accumulated on the first filter screen are easy to clean, sediment and fine impurities entering the drainage well are easy to accumulate and gather in the drainage well and are adhered to the filter holes of the second filter screen, so that the drainage well is blocked, and the influence on drainage is caused;
When the drainage well is blocked, the movable rod is driven to move up and down by stepping on the pedal, the movable rod is connected with the rotary cylinder body in a matched manner through the first linkage mechanism, and the movable rod can drive the rotary cylinder body to rotate clockwise and anticlockwise in a reciprocating manner when moving up and down, so that the ram can be driven to rotate in the drainage well, blocked sundries and silt in the drainage well are dredged, water flow smoothly passes, and the blockage of the drainage well is avoided. A plurality of scraping plates are arranged on the surface of the second filter screen, the scraping plates are connected with the rotary cylinder body in a matched mode through a second linkage mechanism, and the rotary cylinder body drives the scraping plates to reciprocate on the surface of the second filter screen respectively when rotating clockwise and anticlockwise, so that plugs adhered to filter holes of the second filter screen are scraped and dredged, the second filter screen is prevented from being blocked, and the purpose of enabling drainage in a drainage well to be smooth is achieved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a roadbed drainage structure for municipal road construction.
Fig. 2 is a schematic view of the internal structure of a drainage box of a roadbed drainage structure for municipal road construction.
Fig. 3 is a schematic view of the internal structure of a drainage well of a roadbed drainage structure for municipal road construction.
Fig. 4 is an exploded view of a first linkage of a drainage structure of a roadbed for municipal road construction.
Fig. 5 is a schematic structural view of a second linkage mechanism of the roadbed drainage structure for municipal road construction.
Fig. 6 is a partially enlarged schematic structural view of fig. 5.
The floor drain comprises a drainage box 1, a square floor drain 2, a drainage well 3, a first filter screen 4, a movable rod 5, a pedal 6, a limiting cylinder 7, a limiting rod 8, a 9, a drainage pipe 10, a second filter screen 11, a rotary cylinder 12, a ram 13, a first baffle plate 14, a second baffle plate 15, a spring 16, a scraper 17, an annular frame 18, a top cover 19, a rotary ring 20, an arc-shaped groove 21, a clamping column 22, a connecting rod 24, a spiral groove 25 and a ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, as an embodiment of the present utility model, a roadbed drainage structure for municipal road construction includes a drainage box 1, a rectangular floor drain 2 is fixed at the top of the drainage box 1, a drainage well 3 is fixed inside the drainage box 1, a first filter screen 4 is fixed at the top opening of the drainage well 3, a movable rod 5 penetrating through the first filter screen 4 is arranged inside the drainage well 3, a pedal 6 is fixed at the top of the movable rod 5, and a telescopic component for supporting the pedal 6 is arranged on the rectangular floor drain 2;
The bottom of the drainage well 3 is fixedly provided with a drainage pipe 9, the inside of the drainage well 3 is fixedly provided with a second filter screen 10, a rotary cylinder 11 is rotatably arranged on the second filter screen 10, a movable rod 5 is movably inserted into the rotary cylinder 11, a plurality of pickers 12 are fixedly arranged on the rotary cylinder 11, a first baffle 13 is fixedly arranged at the top end of the rotary cylinder 11, a second baffle 14 is fixedly arranged on the movable rod 5, and a spring 15 sleeved on the movable rod 5 is arranged between the second baffle 14 and the first baffle 13;
the movable rod 5 is matched and connected with the rotary cylinder 11 through a first linkage mechanism, and the movable rod 5 can drive the rotary cylinder 11 to perform clockwise and anticlockwise reciprocating rotation when moving up and down;
The upper surface of the second filter screen 10 is provided with a plurality of scrapers 16, the scrapers 16 are connected with the rotary cylinder 11 in a matched manner through a second linkage mechanism, and the rotary cylinder 11 can drive the scrapers 16 to reciprocate on the upper surface of the second filter screen 10 respectively when rotating clockwise and anticlockwise in a reciprocating manner so as to scrape plugs adhered to filter holes of the second filter screen 10.
In this embodiment, sewage enters the drainage well 3 from the square floor drain 2 and is discharged outwards after being subjected to double filtration of impurities through the first filter screen 4 and the second filter screen 10, and impurities accumulated on the first filter screen 4 are exposed to the outside, so that the sewage is easy to clean, sediment and fine impurities entering the drainage well 3 are easy to accumulate and gather in the drainage well 3 and are adhered to the filter holes of the second filter screen 10, so that the drainage well 3 is blocked. When the drainage well 3 is blocked, the movable rod 5 is driven to move downwards by stepping on the pedal 6, the spring 15 is compressed by the second baffle 14 when the movable rod 5 moves downwards, when the pedal 6 is stopped to be stepped on, the spring 15 can drive the movable rod 5 to automatically move upwards, the movable rod 5 is connected with the rotary cylinder 11 through the cooperation of the first linkage mechanism, the rotary cylinder 11 can be driven to rotate clockwise and anticlockwise when the movable rod 5 moves up and down, so that the ram 12 can be driven to rotate in the drainage well 3, the purpose of dredging blocked sundries and silt in the drainage well 3 is achieved, water flow smoothly passes through, the drainage well 3 is avoided, a plurality of scraping plates 16 are arranged on the upper surface of the second filter screen 10, the scraping plates 16 are connected with the rotary cylinder 11 through the cooperation of the second linkage mechanism, and the scraping plates 16 are simultaneously driven to reciprocate on the upper surface of the second filter screen 10 respectively, the blocking objects adhered to the filter screen 10 in the filter hole are scraped, and the filter screen is further prevented from being blocked in the drainage well 3.
As a further scheme of the utility model, the telescopic components are symmetrically distributed at the bottoms of the two ends of the pedal 6, and each telescopic component comprises a limiting cylinder 7 fixed at the bottom wall inside the rectangular floor drain 2 and a limiting rod 8 fixed at the bottom of the pedal 6, and the lower end of each limiting rod 8 is movably inserted into the corresponding limiting cylinder 7.
In this embodiment, the limiting rod 8 is movably inserted into the limiting cylinder 7, the telescopic component can ensure that the pedal 6 can move up and down, and the two ends of the pedal 6 are supported in an auxiliary manner through the limiting cylinder 7 and the limiting rod 8.
As a further aspect of the utility model, the drain pipe 9 extends at one end to a position inside the drain well 3 below the second filter screen 10 and at the other end to the outside of the drain tank 1.
In this embodiment, rainwater is filtered through the first filter screen 4 and then enters the drainage well 3, and is filtered through the second filter screen 10 and then enters a space below the second filter screen 10, so as to be discharged outwards through the drainage pipe 9.
As a further scheme of the utility model, a plurality of the pickers 12 are vertically arrayed and circumferentially distributed on the periphery of the rotary cylinder 11 at equal angles, and the surfaces of the pickers 12 are smoothly transited.
In this embodiment, the movable rod 5 can drive the rotary cylinder 11 to rotate clockwise and anticlockwise when moving up and down, so as to drive the ram 12 to rotate in the drainage well 3, and achieve the purpose of dredging sundries and silt blocked in the drainage well 3, so that water flow smoothly passes through, and the problem of blocking in the drainage well 3 is avoided.
As a further scheme of the utility model, the first linkage mechanism comprises a spiral groove 24 formed on the movable rod 5 and a ball 25 movably embedded in the inner wall of the rotary cylinder 11, wherein the ball 25 is movably clamped in the spiral groove 24 and can roll in a track formed by the spiral groove 24.
In this embodiment, the movable rod 5 is inserted into the rotary cylinder 11 and moves up and down to drive the balls 25 to roll in the track formed by the spiral groove 24, thereby driving the rotary cylinder 11 to rotate.
As a further scheme of the utility model, the second linkage mechanism comprises an annular frame 17 fixed on the second filter screen 10 and a rotating ring 19 fixed on the rotating cylinder 11, a top cover 18 is fixed at the top of the annular frame 17, the rotating cylinder 11 penetrates through the top cover 18, the rotating ring 19 is movably clamped inside the annular frame 17, a plurality of arc-shaped grooves 20 are formed in the rotating ring 19 at equal angle circumferences, clamping columns 21 are movably clamped in the arc-shaped grooves 20, connecting rods 22 penetrating through the annular frame 17 are fixed on the clamping columns 21, and the connecting rods 22 are fixedly connected with the scraping plates 16.
In this embodiment, the rotating cylinder 11 rotates to synchronously drive the rotating ring 19 to rotate, and then drive the clamping post 21 to move in the arc-shaped groove 20 to drive the connecting rod 22 to move in the annular frame 17, so as to drive the scraping plate 16 to move on the surface of the second filter screen 10, and the rotating cylinder 11 also drives the scraping plates 16 to reciprocate on the upper surface of the second filter screen 10 simultaneously when rotating in a clockwise and anticlockwise reciprocating manner, so as to scrape and dredge the plugs adhered to the filter holes of the second filter screen 10, thereby avoiding the second filter screen 10 from being blocked.
As a further aspect of the present utility model, the surface of the squeegee 16 is fixedly adhered with a soft gel layer.
In this embodiment, damage to the surface of second filter screen 10 by blade 16 as the surface of second filter screen 10 moves is reduced.
The utility model has the working principle that after sewage enters the square floor drain 2, impurities are filtered by the first filter screen 4 and the second filter screen 10 in a double way and then discharged outwards, the impurities accumulated on the first filter screen 4 are easy to clean, sediment and fine impurities entering the drainage well 3 are easy to accumulate and gather in the drainage well 3 and are adhered to the filter holes of the second filter screen 10, so that the drainage well 3 is blocked, and the drainage is influenced. When the drainage well 3 is blocked, the movable rod 5 is driven to move up and down by stepping on the pedal 6, the movable rod 5 is matched and connected with the rotary cylinder 11 through the first linkage mechanism, the movable rod 5 is inserted into the rotary cylinder 11 and can drive the balls 25 to roll in a track formed by the spiral grooves 24 when moving up and down, so that the rotary cylinder 11 is driven to rotate, and the movable rod 5 can drive the rotary cylinder 11 to rotate clockwise and anticlockwise in a reciprocating manner when moving up and down, so that the ram 12 can be driven to rotate in the drainage well 3 to dredge sundries and silt blocked in the drainage well 3, thereby enabling water to pass smoothly and avoiding the blockage of the drainage well 3. The upper surface of the second filter screen 10 is provided with a plurality of scraping plates 16, the scraping plates 16 are connected with the rotary cylinder 11 in a matched manner through a second linkage mechanism, and when the rotary cylinder 11 rotates clockwise and anticlockwise in a reciprocating manner, the scraping plates 16 are driven to move in a reciprocating manner on the upper surface of the second filter screen 10 at the same time so as to scrape and dredge plugs adhered to filter holes of the second filter screen 10, thereby avoiding the second filter screen 10 from being blocked, and further achieving the purpose of enabling drainage in the drainage well 3 to be smooth.
The above-described embodiments are illustrative, not restrictive, and the technical solutions that can be implemented in other specific forms without departing from the spirit or essential characteristics of the present utility model are included in the present utility model.

Claims (7)

1. The utility model provides a road bed drainage structure for municipal road construction, includes drainage tank (1), its characterized in that, drainage tank (1) top is fixed with returns shape floor drain (2), drainage tank (1) inside is fixed with drainage well (3), drainage well (3) top opening part is fixed with first filter screen (4), drainage well (3) inboard is provided with movable rod (5) that run through first filter screen (4), the top of movable rod (5) is fixed with footboard (6), be provided with the expansion assembly that is used for supporting footboard (6) on returning shape floor drain (2);
the novel drainage device is characterized in that a drainage pipe (9) is fixed at the bottom of the drainage well (3), a second filter screen (10) is fixed in the drainage well (3), a rotary cylinder body (11) is rotatably arranged on the second filter screen (10), a movable rod (5) is movably inserted into the rotary cylinder body (11), a plurality of lifting rods (12) are fixed on the rotary cylinder body (11), a first baffle (13) is fixed at the top end of the rotary cylinder body (11), a second baffle (14) is fixed on the movable rod (5), and a spring (15) sleeved on the movable rod (5) is arranged between the second baffle (14) and the first baffle (13);
The movable rod (5) is connected with the rotary cylinder body (11) in a matched manner through a first linkage mechanism, and the rotary cylinder body (11) is driven to rotate clockwise and anticlockwise in a reciprocating manner through the first linkage mechanism when the movable rod (5) moves up and down;
The upper surface of the second filter screen (10) is provided with a plurality of scrapers (16), the scrapers (16) are connected with the rotary cylinder (11) in a matched mode through a second linkage mechanism, and the rotary cylinder (11) drives the scrapers (16) to reciprocate on the upper surface of the second filter screen (10) through the second linkage mechanism when rotating clockwise and anticlockwise in a reciprocating mode.
2. The roadbed drainage structure for municipal road construction according to claim 1, wherein the telescopic components are symmetrically distributed at the bottoms of two ends of the pedal (6), the telescopic components comprise a limiting cylinder (7) fixed at the inner bottom wall of the square floor drain (2) and a limiting rod (8) fixed at the bottom of the pedal (6), and the lower end of the limiting rod (8) is movably inserted into the limiting cylinder (7).
3. The roadbed drainage structure for municipal road construction according to claim 1, wherein one end of the drainage pipe (9) extends to the inside of the drainage well (3) and is located at a position below the second filter screen (10), and the other end extends to the outside of the drainage tank (1).
4. The roadbed drainage structure for municipal road construction according to claim 1, wherein the plurality of the rams (12) are vertically arrayed and circumferentially distributed at equal angles at the outer circumference of the rotary cylinder (11).
5. The roadbed drainage structure for municipal road construction according to claim 1, wherein the first linkage mechanism comprises a spiral groove (24) formed on the movable rod (5) and balls (25) movably embedded in the inner wall of the rotary cylinder (11), and the balls (25) are movably clamped in the spiral groove (24) and can roll in a track formed by the spiral groove (24).
6. The roadbed drainage structure for municipal road construction according to claim 1, wherein the second linkage mechanism comprises an annular frame (17) fixed on the second filter screen (10) and a rotating ring (19) fixed on the rotating cylinder body (11), a top cover (18) is fixed at the top of the annular frame (17), the rotating cylinder body (11) penetrates through the top cover (18) to be arranged, the rotating ring (19) is movably clamped inside the annular frame (17), a plurality of arc grooves (20) are formed in the circumference of the rotating ring (19) at equal angles, clamping columns (21) are movably clamped in the arc grooves (20), and connecting rods (22) penetrating through the annular frame (17) are fixed on the clamping columns (21), and the connecting rods (22) are fixedly connected with the scraping plates (16).
7. The roadbed drainage structure for municipal road construction according to claim 1, wherein the surface of the scraper (16) is fixedly adhered with a soft rubber layer.
CN202422669152.2U 2024-11-04 2024-11-04 A roadbed drainage structure for municipal road construction Active CN222183627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422669152.2U CN222183627U (en) 2024-11-04 2024-11-04 A roadbed drainage structure for municipal road construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422669152.2U CN222183627U (en) 2024-11-04 2024-11-04 A roadbed drainage structure for municipal road construction

Publications (1)

Publication Number Publication Date
CN222183627U true CN222183627U (en) 2024-12-17

Family

ID=93838394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422669152.2U Active CN222183627U (en) 2024-11-04 2024-11-04 A roadbed drainage structure for municipal road construction

Country Status (1)

Country Link
CN (1) CN222183627U (en)

Similar Documents

Publication Publication Date Title
CN115012509B (en) Urban road surface drainage reposition of redundant personnel anti-blocking structure
CN216108908U (en) Municipal works are with doing benefit to dirty well lid of drainage
CN215406437U (en) Municipal administration road drainage structure
CN117248607A (en) A kind of rainwater well for municipal drainage
CN214784587U (en) Highway drainage device
CN211873242U (en) A new type of urban and rural planning ground rainwater flood storage seepage device
CN220490162U (en) A municipal water accumulation detection device
CN219259643U (en) A multi-chamber grease trap
CN220704698U (en) Rainfall drainage structure for building
CN217679384U (en) Rainwater collecting and treating device
CN117779927A (en) An anti-blocking ductile iron manhole cover and its use method
CN215669951U (en) An anti-blocking type drainage pipeline for municipal engineering
CN214884195U (en) Town road drainage structures
CN222936142U (en) Drainage device for municipal administration
CN213418020U (en) Sponge city oozes row structure and sponge city water circulating system
CN222275731U (en) A rainwater inlet filtering device
CN114775766A (en) Nodular graphite well lid with sewage intercepting and separating function and method thereof
CN224119685U (en) Highway subgrade escape canal siltation thing clearance system
CN217630376U (en) Sponge city rainwater shunting hinders dirty anti-reflux discharging equipment
CN220301497U (en) Wellhead assembly for municipal works
CN222252429U (en) Road rainwater guiding device
CN222594925U (en) Dewatering well pipe
CN218713841U (en) Sponge city rainwater shunting hinders dirty anti-reflux discharging equipment
CN219219290U (en) Road drainage structure
CN220521513U (en) Drainage equipment for rural road construction and maintenance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant