CN114351847A - Municipal administration is environmental protection desilting device for hydraulic engineering - Google Patents
Municipal administration is environmental protection desilting device for hydraulic engineering Download PDFInfo
- Publication number
- CN114351847A CN114351847A CN202111493538.7A CN202111493538A CN114351847A CN 114351847 A CN114351847 A CN 114351847A CN 202111493538 A CN202111493538 A CN 202111493538A CN 114351847 A CN114351847 A CN 114351847A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- box
- water conservancy
- extends
- 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.)
- Pending
Links
- 230000007613 environmental effect Effects 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Landscapes
- Sewage (AREA)
Abstract
The invention discloses an environment-friendly dredging device for municipal water conservancy projects, which belongs to the field of municipal water conservancy pipelines and comprises a box body, wherein a collecting box is fixedly connected to the left side of the box body, a filter plate is movably connected inside the collecting box, fixing mechanisms are arranged on two sides of the filter plate, a supporting plate is fixedly connected inside the box body, a lifting mechanism is arranged inside the supporting plate, the right side of the collecting box extends to the inside of the box body through a pipeline and is communicated with a booster pump, the bottom of the booster pump is fixedly connected with the bottom of an inner cavity of the box body, a connecting pipe is communicated with the bottom of the booster pump, the bottom end of the connecting pipe extends to the outside of the box body, the fixing mechanism comprises a clamping block, a supporting rod, a movable plate, a fixing column, a first spring and a handle, the surface of the clamping block is movably connected with the inside of the filter plate, and the top of the clamping block extends to the outside of the filter plate and is fixedly connected with the supporting rod. The invention has good silt removing effect, thereby reducing the cleaning difficulty, improving the working efficiency and being beneficial to the use of people.
Description
Technical Field
The invention relates to the technical field of municipal water conservancy pipelines, in particular to an environment-friendly dredging device for municipal water conservancy projects.
Background
The construction of various public infrastructures supporting urban life belongs to the municipal engineering category, such as various pipelines closely related to life: the construction of rainwater, sewage, feedwater, normal water etc. all belongs to the municipal works category, and municipal drainage pipe refers to rainwater, sewage pipe under the town road, and commonly called "sewer pipe" is generally called municipal drainage pipe in the engineering promptly, uses for a long time at the water pipe and can make inside remain a large amount of silt, consequently needs to use the inside of desilting device to the pipeline to clear up.
Present dredging device removes the silt effect poor at present, because the caking phenomenon appears in the pipeline easily in the long-time persistence of silt to increase and wash the degree of difficulty, reduce work efficiency, be unfavorable for people's use, consequently, technical personnel in the art provide an environmental protection dredging device for municipal hydraulic engineering, in order to solve the problem that proposes in the above-mentioned background art.
Disclosure of Invention
The invention aims to provide an environment-friendly dredging device for municipal water conservancy projects, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an environmental protection desilting device for municipal administration hydraulic engineering, the power distribution box comprises a box body, the left side fixedly connected with collecting box of box, the inside swing joint of collecting box has the filter, the both sides of filter all are provided with fixed establishment, the inside fixedly connected with backup pad of box, the inside of backup pad is provided with elevating system, the inside and the intercommunication that the right side of collecting box extends to the box through the pipeline have the booster pump, the bottom of booster pump and the bottom fixed connection of box inner chamber, the bottom intercommunication of booster pump has the connecting pipe, the bottom of connecting pipe extends to the outside of box.
As a further scheme of the invention: the fixing mechanism comprises a clamping block, a supporting rod, a movable plate, a fixing column, a first spring and a handle, the surface of the clamping block is movably connected with the inside of the filter plate, the top of the clamping block extends to the outside of the filter plate and is fixedly connected with the supporting rod, the top of the supporting rod is fixedly connected with the movable plate, the inside of the movable plate is movably connected with the fixing column, the top end and the bottom end of the fixing column are fixedly connected with the inside of the collecting box, the surface of the fixing column is movably connected with the inside of the first spring, the top and the bottom of the first spring are fixedly connected with the collecting box and the movable plate respectively, and one side of the movable plate extends to the inside of the collecting box and is fixedly connected with the handle.
As a still further scheme of the invention: the lifting mechanism comprises an electric push rod, a movable plate, a limiting column, a fixed plate, a second spring, a movable block and a vertical plate, the top end of the electric push rod is fixedly connected with the top of the inner cavity of the supporting plate, the bottom end of the electric push rod is fixedly connected with the movable plate, both sides of the bottom of the movable plate are fixedly connected with limiting columns, the surfaces of the limiting columns are movably connected with the fixed plate, both sides of the fixed plate are movably connected with the inside of the supporting plate, the surface of the limiting column is movably connected with the inside of the second spring, the top and the bottom of the second spring are respectively and fixedly connected with the movable plate and the fixed plate, the bottom end of the limiting column extends to the outside of the fixed plate and is fixedly connected with the movable block, the top of movable block and the bottom swing joint of fixed plate, the bottom and the riser fixed connection of fixed plate, the bottom of riser runs through backup pad and box in proper order and extends to the outside of box.
As a still further scheme of the invention: the inside fixedly connected with motor of riser, the front end fixedly connected with dwang of motor shaft, the front end of dwang extends the outside and the fixedly connected with cutting knife of riser.
As a still further scheme of the invention: the two sides of the moving plate are fixedly connected with sliding blocks, and the surfaces of the sliding blocks are located inside the supporting plate.
As a still further scheme of the invention: the surface swing joint of connecting pipe has the diaphragm, the equal threaded connection in both sides of diaphragm inside has the bolt, the top of bolt and the inside threaded connection of box.
As a still further scheme of the invention: the left side of the collecting box is communicated with a water outlet pipe, and the left end of the water outlet pipe is communicated with a water outlet.
As a still further scheme of the invention: the equal fixedly connected with landing leg in both sides of bottom half, the bottom of landing leg is provided with the removal wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the filter plate can be fixed by arranging the fixing mechanism, and the height of the vertical plate can be adjusted by arranging the lifting mechanism, so that the desilting device has a good desilting effect, thereby reducing the cleaning difficulty, improving the working efficiency and being beneficial to the use of people.
2. According to the invention, the handle is pulled to drive the movable plate to move, the movable plate drives the supporting rod and the first spring to move simultaneously, the supporting rod drives the clamping block to move, the filtering plate can be fixed, the electric push rod is started to drive the movable plate to move, the movable plate drives the limiting column, the fixed plate and the second spring to move, the vertical plate can be adjusted in height according to needs, the motor is started to drive the rotating rod to rotate, the rotating rod drives the cutting knife to rotate, and the sludge with caking in the pipeline can be crushed, when the moving plate moves, the sliding block can guide the moving plate in an auxiliary way, the connecting pipe is placed in the transverse plate, the transverse plate and the box body can be fixed through the rotating bolt, the water outlet pipe is installed on one side of the collecting box, filtered sewage can be discharged, the bottom of the box body is installed on the supporting legs, and the box body can be driven to move through the moving wheels.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
fig. 4 is a schematic side view of the motor of the present invention.
In the figure: 1. a box body; 2. a collection box; 3. a filter plate; 4. a fixing mechanism; 41. a clamping block; 42. a support bar; 43. a movable plate; 44. fixing a column; 45. a first spring; 46. a handle; 5. a support plate; 6. a lifting mechanism; 61. an electric push rod; 62. moving the plate; 63. a limiting column; 64. a fixing plate; 65. a second spring; 66. a movable block; 67. a vertical plate; 7. a booster pump; 8. a connecting pipe; 9. a motor; 10. rotating the rod; 11. a cutting knife; 12. a slider; 13. a transverse plate; 14. a bolt; 15. a water outlet pipe; 16. and (7) supporting legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the invention, the environment-friendly dredging device for municipal water conservancy projects comprises a box body 1, a collecting box 2 is fixedly connected to the left side of the box body 1, a filter plate 3 is movably connected to the inside of the collecting box 2, fixing mechanisms 4 are arranged on two sides of the filter plate 3, a supporting plate 5 is fixedly connected to the inside of the box body 1, a lifting mechanism 6 is arranged inside the supporting plate 5, the right side of the collecting box 2 extends to the inside of the box body 1 through a pipeline and is communicated with a booster pump 7, the bottom of the booster pump 7 is fixedly connected with the bottom of an inner cavity of the box body 1, a connecting pipe 8 is communicated with the bottom of the booster pump 7, and the bottom end of the connecting pipe 8 extends to the outside of the box body 1.
Through setting up fixed establishment 4, can fix filter 3, through setting up elevating system 6, can highly adjust riser 67, make the desilting device remove the silt effectual to reduce and wash the degree of difficulty, improve work efficiency, be favorable to people's use.
In this embodiment, the fixing mechanism 4 includes a clamping block 41, a supporting rod 42, a movable plate 43, a fixed column 44, a first spring 45 and a handle 46, a surface of the clamping block 41 is movably connected with the inside of the filter plate 3, a top of the clamping block 41 extends to the outside of the filter plate 3 and is fixedly connected with the supporting rod 42, a top of the supporting rod 42 is fixedly connected with the movable plate 43, the inside of the movable plate 43 is movably connected with the fixed column 44, a top end and a bottom end of the fixed column 44 are both fixedly connected with the inside of the collection box 2, a surface of the fixed column 44 is movably connected with the inside of the first spring 45, a top and a bottom of the first spring 45 are respectively fixedly connected with the collection box 2 and the movable plate 43, and one side of the movable plate 43 extends to the inside of the collection box 2 and is fixedly connected with the handle 46.
The pulling handle 46 drives the movable plate 43 to move, the movable plate 43 drives the supporting rod 42 and the first spring 45 to move simultaneously, and the supporting rod 42 drives the clamping block 41 to move, so that the filtering plate 3 can be fixed.
In this embodiment, the lifting mechanism 6 includes an electric push rod 61, a moving plate 62, a limiting column 63, a fixing plate 64, a second spring 65, a movable block 66 and a vertical plate 67, the top end of the electric push rod 61 is fixedly connected with the top of the inner cavity of the supporting plate 5, the bottom end of the electric push rod 61 is fixedly connected with the moving plate 62, both sides of the bottom of the moving plate 62 are fixedly connected with the limiting column 63, the surface of the limiting column 63 is movably connected with the fixing plate 64, both sides of the fixing plate 64 are movably connected with the inner part of the supporting plate 5, the surface of the limiting column 63 is movably connected with the inner part of the second spring 65, the top and the bottom of the second spring 65 are respectively fixedly connected with the moving plate 62 and the fixing plate 64, the bottom end of the limiting column 63 extends to the outer part of the fixing plate 64 and is fixedly connected with the movable block 66, the top of the movable block 66 is movably connected with the bottom of the fixing plate 64, the bottom of the fixing plate 64 is fixedly connected with the vertical plate 67, the bottom of the riser 67 penetrates the support plate 5 and the case 1 in this order and extends to the outside of the case 1.
The electric push rod 61 is started to drive the moving plate 62 to move, the moving plate 62 drives the limiting column 63, the fixing plate 64 and the second spring 65 to move, and the vertical plate 67 can be adjusted in height as required.
In this embodiment, the inside fixedly connected with motor 9 of riser 67, the front end fixedly connected with dwang 10 of motor 9 pivot, the front end of dwang 10 extends the outside and the fixedly connected with cutting knife 11 of riser 67.
The starter motor 9 drives the rotating rod 10 to rotate, the rotating rod 10 drives the cutting knife 11 to rotate, and the caked sludge in the pipeline can be crushed.
In the present embodiment, the sliders 12 are fixedly connected to both sides of the moving plate 62, and the surfaces of the sliders 12 are located inside the support plate 5.
When the moving plate 62 moves, the moving plate 62 can be guided by the slider 12.
In this embodiment, a horizontal plate 13 is movably connected to the surface of the connecting pipe 8, bolts 14 are screwed to both sides of the inside of the horizontal plate 13, and the top ends of the bolts 14 are screwed to the inside of the box body 1.
The connecting pipe 8 is inserted into the transverse plate 13, and the transverse plate 13 and the casing 1 can be fixed by turning the bolt 14.
In this embodiment, the left side of the collecting box 2 is communicated with a water outlet pipe 15, and the left end of the water outlet pipe 15 is communicated with a water outlet.
The water outlet pipe 15 is installed at one side of the collection tank 2, so that the filtered sewage can be discharged.
In this embodiment, the two sides of the bottom of the box 1 are fixedly connected with the supporting legs 16, and the bottom of the supporting legs 16 is provided with moving wheels.
The supporting legs 16 are installed at the bottom of the box body 1, and the box body 1 can be driven to move through the moving wheels.
The working principle of the invention is as follows: the collecting box 2 is opened, the handle 46 is pulled to drive the movable plate 43 to move, the movable plate 43 drives the supporting rod 42 and the first spring 45 to move simultaneously, the supporting rod 42 drives the clamping block 41 to move, then the filter plate 3 is placed in the collecting box 2, the handle 46 is loosened, the filter plate 3 can be fixed through the resetting of the first spring 45, then the box body 1 is placed in a pipeline, the box body 1 is driven to move in the pipeline through the driving component, when the interior of the pipeline is cleaned, the electric push rod 61 is started through the external controller to drive the movable plate 62 to move, the movable plate 62 drives the limiting column 63 and the fixed plate 64 to move, the vertical plate 67 can be adjusted in height as required, when the vertical plate 67 is adjusted to a certain position, the starting motor 9 drives the rotating rod 10 to rotate, the rotating rod 10 drives the cutting knife 11 to rotate, and can crush silt which is agglomerated in the pipeline, then, the booster pump 7 is started to make the sludge flow into the inside of the collecting tank 2 through the connecting pipe 8, when the sludge and the sewage simultaneously flow into the inside of the collecting tank 2, the sludge in the sewage can be filtered through the filter plate 3, and the filtered sewage is discharged through the water outlet pipe 15.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an environmental protection desilting device for municipal water conservancy project, includes box (1), its characterized in that: the left side fixedly connected with collecting box (2) of box (1), the inside swing joint of collecting box (2) has filter (3), the both sides of filter (3) all are provided with fixed establishment (4), the inside fixedly connected with backup pad (5) of box (1), the inside of backup pad (5) is provided with elevating system (6), the right side of collecting box (2) is passed through the inside and the intercommunication that the pipeline extends to box (1) and is had booster pump (7), the bottom of booster pump (7) and the bottom fixed connection of box (1) inner chamber, the bottom intercommunication of booster pump (7) has connecting pipe (8), the bottom of connecting pipe (8) extends to the outside of box (1).
2. The environment-friendly dredging device for municipal water conservancy projects according to claim 1, characterized in that: the fixing mechanism (4) comprises a clamping block (41), a supporting rod (42), a movable plate (43), a fixed column (44), a first spring (45) and a handle (46), the surface of the fixture block (41) is movably connected with the inside of the filter plate (3), the top of the fixture block (41) extends to the outside of the filter plate (3) and is fixedly connected with the support rod (42), the top of the supporting rod (42) is fixedly connected with a movable plate (43), the interior of the movable plate (43) is movably connected with a fixed column (44), the top end and the bottom end of the fixed column (44) are fixedly connected with the inside of the collecting box (2), the surface of the fixed column (44) is movably connected with the inner part of a first spring (45), the top and the bottom of the first spring (45) are respectively and fixedly connected with the collecting box (2) and the movable plate (43), one side of the movable plate (43) extends to the interior of the collecting box (2) and is fixedly connected with the handle (46).
3. The environment-friendly dredging device for municipal water conservancy projects according to claim 1, characterized in that: the lifting mechanism (6) comprises an electric push rod (61), a moving plate (62), a limiting column (63), a fixing plate (64), a second spring (65), a movable block (66) and a vertical plate (67), the top end of the electric push rod (61) is fixedly connected with the top of the inner cavity of the supporting plate (5), the bottom end of the electric push rod (61) is fixedly connected with the moving plate (62), the two sides of the bottom of the moving plate (62) are fixedly connected with the limiting column (63), the surface of the limiting column (63) is movably connected with the fixing plate (64), the two sides of the fixing plate (64) are movably connected with the inner part of the supporting plate (5), the surface of the limiting column (63) is movably connected with the inner part of the second spring (65), the top and the bottom of the second spring (65) are fixedly connected with the moving plate (62) and the fixing plate (64) respectively, the bottom end of the limiting column (63) extends to the outer part of the fixing plate (64) and is fixedly connected with the movable block (66), the top of movable block (66) and the bottom swing joint of fixed plate (64), the bottom and riser (67) fixed connection of fixed plate (64), the bottom of riser (67) runs through backup pad (5) and box (1) in proper order and extends to the outside of box (1).
4. The environment-friendly dredging device for municipal water conservancy projects according to claim 3, characterized in that: the inside fixedly connected with motor (9) of riser (67), the front end fixedly connected with dwang (10) of motor (9) pivot, the outside and the fixedly connected with cutting knife (11) of riser (67) are extended to the front end of dwang (10).
5. The environment-friendly dredging device for municipal water conservancy projects according to claim 3, characterized in that: the two sides of the moving plate (62) are fixedly connected with sliding blocks (12), and the surfaces of the sliding blocks (12) are located inside the supporting plate (5).
6. The environment-friendly dredging device for municipal water conservancy projects according to claim 1, characterized in that: the surface swing joint of connecting pipe (8) has diaphragm (13), the equal threaded connection in both sides of diaphragm (13) inside has bolt (14), the inside threaded connection of the top of bolt (14) and box (1).
7. The environment-friendly dredging device for municipal water conservancy projects according to claim 1, characterized in that: the left side of the collecting box (2) is communicated with a water outlet pipe (15), and the left end of the water outlet pipe (15) is communicated with a water outlet.
8. The environment-friendly dredging device for municipal water conservancy projects according to claim 1, characterized in that: the two sides of the bottom of the box body (1) are fixedly connected with supporting legs (16), and moving wheels are arranged at the bottoms of the supporting legs (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493538.7A CN114351847A (en) | 2021-12-08 | 2021-12-08 | Municipal administration is environmental protection desilting device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493538.7A CN114351847A (en) | 2021-12-08 | 2021-12-08 | Municipal administration is environmental protection desilting device for hydraulic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114351847A true CN114351847A (en) | 2022-04-15 |
Family
ID=81097162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111493538.7A Pending CN114351847A (en) | 2021-12-08 | 2021-12-08 | Municipal administration is environmental protection desilting device for hydraulic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114351847A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082756A (en) * | 2001-09-11 | 2003-03-19 | Shikoku Pipe Cleaner:Kk | Obstacle removing method in sewage pipe and device used in the method |
| JP2008138485A (en) * | 2006-12-05 | 2008-06-19 | Shin Meiwa Ind Co Ltd | Sludge suction device and sludge suction vehicle with the same |
| CN108488557A (en) * | 2018-03-01 | 2018-09-04 | 蔡敬东 | A kind of mounting bracket for electromechanical equipment |
| CN108612181A (en) * | 2018-05-09 | 2018-10-02 | 杭州君呈贸易有限公司 | A kind of municipal administration sewer manhole high efficiency dredging vehicle |
| CN109487903A (en) * | 2018-11-28 | 2019-03-19 | 陈小芹 | A kind of town road sewage discharge well silt cleaning device |
| CN214033845U (en) * | 2020-10-10 | 2021-08-24 | 庄乾祥 | Be used for sediment removal device for hydraulic engineering |
| CN214403390U (en) * | 2020-10-26 | 2021-10-15 | 湖州达卫自动化设备有限公司 | Electric full-height door with good sealing performance |
-
2021
- 2021-12-08 CN CN202111493538.7A patent/CN114351847A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082756A (en) * | 2001-09-11 | 2003-03-19 | Shikoku Pipe Cleaner:Kk | Obstacle removing method in sewage pipe and device used in the method |
| JP2008138485A (en) * | 2006-12-05 | 2008-06-19 | Shin Meiwa Ind Co Ltd | Sludge suction device and sludge suction vehicle with the same |
| CN108488557A (en) * | 2018-03-01 | 2018-09-04 | 蔡敬东 | A kind of mounting bracket for electromechanical equipment |
| CN108612181A (en) * | 2018-05-09 | 2018-10-02 | 杭州君呈贸易有限公司 | A kind of municipal administration sewer manhole high efficiency dredging vehicle |
| CN109487903A (en) * | 2018-11-28 | 2019-03-19 | 陈小芹 | A kind of town road sewage discharge well silt cleaning device |
| CN214033845U (en) * | 2020-10-10 | 2021-08-24 | 庄乾祥 | Be used for sediment removal device for hydraulic engineering |
| CN214403390U (en) * | 2020-10-26 | 2021-10-15 | 湖州达卫自动化设备有限公司 | Electric full-height door with good sealing performance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110776204B (en) | Photovoltaic solar energy driven buried integrated town sewage treatment device | |
| CN111236406A (en) | Intercepting well and using method thereof | |
| CN114351847A (en) | Municipal administration is environmental protection desilting device for hydraulic engineering | |
| CN110332475B (en) | Traffic engineering uses adjustable lighting device | |
| CN112472206A (en) | Urological calculus washing device | |
| CN112316499A (en) | Sewage treatment pond based on environmental protection | |
| CN209274778U (en) | A kind of abandoned car recycling pretreatment unit | |
| CN212534455U (en) | Environment-friendly underground drainage pump station | |
| CN110258405A (en) | A kind of new road dredging trash-removal device | |
| CN214061739U (en) | Be convenient for water conservancy reconnaissance is with clear silt device | |
| CN215290597U (en) | Green building with rainwater recovery function | |
| CN214829408U (en) | Oil-water filtering device in sewage | |
| CN213555559U (en) | Dirty separator of rain that bed mud was easily collected | |
| CN210369098U (en) | Efficient water conservancy construction sediment removal device | |
| CN203420357U (en) | Sewer inwall cleaning device | |
| CN218814288U (en) | Municipal administration sewage pipeline pull throughs | |
| CN219137807U (en) | Water conservancy channel dredging device | |
| CN212956702U (en) | Hydraulic engineering construction river channel desilting equipment | |
| CN219411201U (en) | Efficient water-saving device of dredging vehicle | |
| CN219033456U (en) | Prevent municipal drainage pipe who prevents stifled type | |
| CN214614260U (en) | Hydraulic engineering desilting device | |
| CN219492271U (en) | Movable vehicle-mounted pressure-reducing, water-draining and gas-collecting device | |
| CN219240818U (en) | Water conservancy hydropower construction drainage device | |
| CN216516079U (en) | Municipal drainage engineering pipeline intelligence pull throughs | |
| CN215367693U (en) | Town road drainage structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220415 |
|
| RJ01 | Rejection of invention patent application after publication |