CN108867561A - A kind of environmental protection irrigation canals and ditches sundries retention device - Google Patents
A kind of environmental protection irrigation canals and ditches sundries retention device Download PDFInfo
- Publication number
- CN108867561A CN108867561A CN201810820149.2A CN201810820149A CN108867561A CN 108867561 A CN108867561 A CN 108867561A CN 201810820149 A CN201810820149 A CN 201810820149A CN 108867561 A CN108867561 A CN 108867561A
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- rack
- ditches
- irrigation canals
- spring
- support assembly
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Guiding Agricultural Machines (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of environmental protection irrigation canals and ditches sundries retention devices, relate generally to irrigation canals and ditches cleaning plant field.Including support assembly, the two sides of support assembly are equipped with walking assembly, the front side of support assembly, which is equipped with, stops assembly, assembly is stopped to pass through two rack that can be poor compositions, the rear side of support assembly is equipped with Auxiliary support assembly, the elevating lever that can be stretched mainly is set, and the bottom end of elevating lever is equipped with auxiliary wheel, and elevating lever obtains downward power by spring.The beneficial effects of the present invention are：It adapts to the slope surface variation of different irrigation canals and ditches slope surfaces or irrigation canals and ditches different sections of highway, carries out fixed point interception or active collection to rubbish incidental in irrigation canals and ditches, and be able to achieve and work continuously, substantially increases the efficiency and level of the improvement of irrigation canals and ditches sundries.
Description
Technical field
The present invention relates to irrigation canals and ditches cleaning plant field, specifically a kind of environmental protection irrigation canals and ditches sundries retention device.
Background technique
Irrigation canals and ditches no matter in rural area or cities and towns, irrigate, in terms of play an important role, be agriculture filling
It irrigates, protect the fields, the critical facility of maintenance management of markets in urban districts etc..In recent years, with the development of economy and society, all kinds of life rubbish
Rubbish is increasing, in conjunction with the influence of seasonality fallen leaves, under the action of rainwash and a small number of rubbish discarding behaviors, very much
All there is sundries, rubbish the floating on water the case where in irrigation canals and ditches.Pollution not only is caused to irrigation canals and ditches, causes ambient enviroment and health
Badly, blocking river is also resulted in, causes to drain off floodwaters unsmooth, causes even more serious problem.
Existing irrigation canals and ditches cleaning mainly passes through two ways：
First is that several are arranged in the trench for intercepting the device of sundries rubbish, using the flowing of water orientation, by rubbish
It is flushed to block region to be intercepted on block, prevents rubbish from downstream spreading, and facilitate periodic cleaning.
Second is that the carry out rubbish dredging salvaging of artificial active.Small irrigation canals and ditches diddle-net, nullah ship carry out active along irrigation canals and ditches
Salvage cleaning.
There are some problems in actual use in the above method.Passive intercept relies on water flow, however the water of many irrigation canals and ditches
Flow it is unobvious, can not orient rubbish is flushed to intercept region, cannot be achieved concentrate rubbish effect.By manually fishing for then
One side large labor intensity, and manually be difficult to realize work continuously, therefore cause the efficiency of cleaning lower.Therefore the sundries of irrigation canals and ditches, rubbish
Rubbish cleaning still enable be administrative department more headache the problem of.
Summary of the invention
The purpose of the present invention is to provide a kind of environmental protection irrigation canals and ditches sundries retention devices, it adapts to different irrigation canals and ditches slopes
The variation of the slope surface of face or irrigation canals and ditches different sections of highway carries out fixed point interception or active collection, and the company of being able to achieve to rubbish incidental in irrigation canals and ditches
Continuous operation, substantially increases the efficiency and level of the improvement of irrigation canals and ditches sundries.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of environmental protection irrigation canals and ditches sundries retention device, including：
Support assembly, the support assembly include crossbeam, and the front and rear sides of the crossbeam are respectively welded front wing panel with after
Wing plate, it is symmetrical on the rear fender to be equipped with mounting hole；
Walking assembly, the walking assembly include support frame, U-shaped wheel carrier and traveling wheel, length of the support frame as described above along crossbeam
Degree direction is set to the both ends of crossbeam, and the outer end of support frame as described above is fixedly connected with U-shaped wheel carrier, and the traveling wheel is rotatably pacified
On U-shaped wheel carrier；
Auxiliary support assembly, the Auxiliary support assembly include adjustment barrel, adjusting rod, the spring seat of honour, spring, L-type vertical plate,
Guide pipe, elevating lever, spring lower seat, linear guide, auxiliary wheel, the adjustment barrel are fixed in mounting hole, and the adjustment barrel is perpendicular
Straight setting, the bottom end opening of the adjustment barrel and top are equipped with top plate, and the adjusting rod runs through top plate, and the adjusting rod is equipped with
Screw thread, the top plate are equipped with the screw hole being threadedly coupled with adjusting rod, and the spring seat of honour is set in adjustment barrel, and the bullet
The spring seat of honour is fixedly connected with or is rotationally connected with the bottom end of adjusting rod, and the top of the L-type vertical plate is fixed on rear fender, the L
Type vertical plate is set to the front side of adjustment barrel, and the L-type vertical plate is arranged backward, and the guide pipe is vertically arranged at the bottom of L-type vertical plate
Portion, the elevating lever along short transverse are slidably connected through guide pipe and with the two, and the spring lower seat is fixed on elevating lever
Top, the spring are set between the spring seat of honour and spring lower seat, and the linear guide is vertically arranged on L-type vertical plate, institute
It states linear guide and is equipped with and can be fixedly connected along the sliding sleeve that it is slided up and down, the sliding sleeve with spring lower seat, the auxiliary wheel
It is mounted on the bottom end of elevating lever；
Stop assembly, the blocking assembly includes U-shaped frame, the first rack, the second rack, first rack and the second net
Frame is the rectangle rack of symmetrical shape, and first rack and the second rack are set side by side in the lateral direction, first net
Frame and the second rack are staggered in the longitudinal direction, and the inside top of first rack and the second rack is hingedly fixed in
On U-shaped frame, the U-shaped frame is connected to the bottom of front wing panel.
It is symmetrically equipped with screw rod on the top surface of the U-shaped frame, symmetrical be equipped with of screw rod is corresponded on the front wing panel and is adjusted
Whole hole, the screw rod run through adjusting hole, and the screw rod is equipped with the adjusting nut for limit.
The U-shaped wheel carrier includes fixed link, flexible female bar and flexible sub bar, the middle part of the fixed link and support frame it is outer
End is welded to connect, and the inner end of the both ends of the fixed link and flexible female bar is welded to connect, and the dilaton bar is socketed in flexible mother
In bar, and energy relative telescopic mother's bar is flexible and limits.
The prior art is compared, the beneficial effects of the present invention are：
By the way that the present apparatus to be erected on irrigation canals and ditches, the support assembly is located at the top of irrigation canals and ditches, and the walking assembly of two sides is used
It in being supported on irrigation canals and ditches two sides, can either play a supporting role, in the case where flow condition is good, the stationary fixed point that plays is blocked
Effect is cut, and there is position flexibly adjustable advantage compared to existing block.It can walk, push ahead along irrigation canals and ditches again.It is main
Sundries, rubbish, the fallen leaves etc. for floating of being scattered in irrigation canals and ditches are collected in dynamic interception, instead of artificial dipnetting, substantially increase operation
Efficiency, reduce operating cost, and be able to achieve and work continuously.
River construction reference between most of irrigation canals and ditches is poor, and the gradient and river depth of river two sides are irregular,
Therefore the trapezoid cross section that the present apparatus is common for irrigation canals and ditches, two racks arranged side by side are designed, including the first rack and the second Wang Jia
The hinged fixation on side top enables two racks to cross one another, and the adaptation to irrigation canals and ditches sloped sides is realized, to make to be formed suitable
The irrigation canals and ditches for answering different variation trapezoid cross sections, make the present apparatus can be applied to each location of irrigation canals and ditches.
Detailed description of the invention
Attached drawing 1 is front schematic view of the invention.
Attached drawing 2 is side schematic view of the invention.
Attached drawing 3 is schematic top plan view of the invention.
Attached drawing 4 is use state diagram of the invention.
Label shown in attached drawing：
1, crossbeam；2, front wing panel；3, rear fender；4, support frame；5, U-shaped wheel carrier；6, traveling wheel；7, adjustment barrel；8, it adjusts
Bar；9, the spring seat of honour；10, spring；11, L-type vertical plate；12, guide pipe；13, elevating lever；14, spring lower seat；15, linear guide；
16, auxiliary wheel；17, U-shaped frame；18, the first rack；19, the second rack；20, screw rod.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
Of the present invention is a kind of environmental protection irrigation canals and ditches sundries retention device, and main structure includes：
Support assembly, the support assembly include crossbeam 1, and the front and rear sides of the crossbeam 1 are respectively welded 2 He of front wing panel
Rear fender 3, it is symmetrical on the rear fender 3 to be equipped with mounting hole；
Walking assembly, the walking assembly include support frame 4, U-shaped wheel carrier 5 and traveling wheel 6, and support frame as described above 4 is along crossbeam 1
Length direction be set to the both ends of crossbeam 1, the outer end of support frame as described above 4 is fixedly connected with U-shaped wheel carrier 5, and the traveling wheel 6 can
Rotation is mounted on U-shaped wheel carrier 5；Walking manner is pushed away according to the local condition operation that can be driven a conveyance by the people on bank
It is dynamic, it can also be pulled by dirty swine, driving can also be increased on traveling wheel 6, such as add motor and electricity on U-shaped wheel carrier 5
Source for driving traveling wheel 6, or directly uses In-wheel motor driving traveling wheel 6.Although cost is slightly higher, energy after setting path
Realization is worked continuously, very convenient.
Auxiliary support assembly, the Auxiliary support assembly include adjustment barrel 7, adjusting rod 8, the spring seat of honour 9, spring 10, L-type
Vertical plate 11, guide pipe 12, elevating lever 13, spring lower seat 14, linear guide 15, auxiliary wheel 16, the adjustment barrel 7 are fixed on installation
In hole, the adjustment barrel 7 is vertically arranged, the bottom end opening of the adjustment barrel 7 and top is equipped with top plate, and the adjusting rod 8 runs through
Top plate, the adjusting rod 8 are equipped with screw thread, and the top plate is equipped with the screw hole being threadedly coupled with adjusting rod 8, the spring seat of honour
9 are set in adjustment barrel 7, and the spring seat of honour 9 is fixedly connected with or is rotationally connected with the bottom end of adjusting rod 8, the L-type vertical plate
11 top is fixed on rear fender 3, and the L-type vertical plate 11 is set to the front side of adjustment barrel 7, and the L-type vertical plate 11 is set backward
It sets, the guide pipe 12 is vertically arranged at the bottom of L-type vertical plate 11, and the elevating lever 13 is through guide pipe 12 and with the two along height
Degree direction is slidably connected, and the spring lower seat 14 is fixed on the top of elevating lever 13, and the spring 10 is set to 9 He of the spring seat of honour
Between spring lower seat 14, the linear guide 15 is vertically arranged on L-type vertical plate 11, and the linear guide 15 is equipped with being capable of edge
Its sliding sleeve slided up and down, the sliding sleeve are fixedly connected with spring lower seat 14, and the auxiliary wheel 16 is mounted on the bottom of elevating lever 13
End；To enable the present apparatus to be preferably supported in irrigation canals and ditches, the load-bearing of running gear is reduced, and assists moving ahead.Pass through adjusting
The spring seat of honour 9 in adjustment barrel 7, the downward active force of adjustable spring 10, to obtain the different branch to river bottom surface
Support force is adjusted flexibly according to the depth in river and the depth of water, has very strong adaptability.
Stop assembly, the river construction reference between most of irrigation canals and ditches is poor, the gradient and river depth of river two sides
It is irregular, therefore the trapezoid cross section design that the present apparatus is common for irrigation canals and ditches, the blocking assembly includes U-shaped frame 17, the first rack
18, the second rack 19, first rack 18 and the second rack 19 are the rectangle rack of symmetrical shape, 18 He of the first rack
Second rack 19 is set side by side in the lateral direction, and first rack 18 and the second rack 19 are staggeredly set in the longitudinal direction
It sets, the inside top of first rack 18 and the second rack 19 is hingedly fixed on U-shaped frame 17, keeps two racks mutual
It intersects, realizes the adaptation to irrigation canals and ditches sloped sides, to make to form the irrigation canals and ditches for adapting to different variation trapezoid cross sections, make the present apparatus
It can be applied to each location of irrigation canals and ditches.The U-shaped frame 17 is connected to the bottom of front wing panel 2,
Although the rack of the present apparatus is set to middle part, most of situation is coped with, since the water level in irrigation canals and ditches becomes
To change larger, the case where full canal and trunk canal, is typical, therefore for the corresponding sundries reaped and slept, the top of the U-shaped frame 17
It is symmetrically equipped with screw rod 20 on face, correspond to that screw rod 20 is symmetrical equipped with adjusting hole, and the screw rod 20 passes through on the front wing panel 2
Adjusting hole is worn, the screw rod 20 is equipped with the adjusting nut for limit.Facilitate the first rack 18 of adjustment and second rack 19
Highly, its top side is made to be able to maintain 10~30cm or so on the water surface, corresponding interception sundries rubbish is more effective.
In order to adapt to different two sides environment, the U-shaped wheel carrier 5 includes fixed link, stretch female bar and flexible sub bar, described
The middle part of fixed link and the outer end of support frame 4 are welded to connect, and the inner end of the both ends of the fixed link and flexible female bar is welded to connect,
The dilaton bar is socketed in flexible female bar, and energy relative telescopic mother's bar is flexible and limits.
Embodiment：A kind of environmental protection irrigation canals and ditches sundries retention device, main structure include：
Support assembly, the support assembly include crossbeam 1, and the front and rear sides of the crossbeam 1 are respectively welded 2 He of front wing panel
Rear fender 3, it is symmetrical on the rear fender 3 to be equipped with mounting hole；Correspond to that screw rod 20 is symmetrical to be set on the front wing panel 2
There is adjusting hole,
Walking assembly, the walking assembly include support frame 4, U-shaped wheel carrier 5 and traveling wheel 6, and support frame as described above 4 is along crossbeam 1
Length direction be set to the both ends of crossbeam 1, the outer end of support frame as described above 4 is fixedly connected with U-shaped wheel carrier 5, and the traveling wheel 6 can
Rotation is mounted on U-shaped wheel carrier 5；
Auxiliary support assembly, the Auxiliary support assembly include adjustment barrel 7, adjusting rod 8, the spring seat of honour 9, spring 10, L-type
Vertical plate 11, guide pipe 12, elevating lever 13, spring lower seat 14, linear guide 15, auxiliary wheel 16, the adjustment barrel 7 are fixed on installation
In hole, the adjustment barrel 7 is vertically arranged, the bottom end opening of the adjustment barrel 7 and top is equipped with top plate, and the adjusting rod 8 runs through
Top plate, the adjusting rod 8 are equipped with screw thread, and the top plate is equipped with the screw hole being threadedly coupled with adjusting rod 8, the spring seat of honour
9 are set in adjustment barrel 7, and the spring seat of honour 9 is fixedly connected with or is rotationally connected with the bottom end of adjusting rod 8, the L-type vertical plate
11 top is fixed on rear fender 3, and the L-type vertical plate 11 is set to the front side of adjustment barrel 7, and the L-type vertical plate 11 is set backward
It sets, meanwhile, direction of travel is to advance forward, and the group of the Auxiliary support assembly positioned at rear portion can be effectively protected in L-type vertical plate 11
Part avoids the incorporation of rubbish and sundries.The guide pipe 12 is vertically arranged at the bottom of L-type vertical plate 11, and the elevating lever 13 passes through
It wears guide pipe 12 and is slidably connected with the two along short transverse, the spring lower seat 14 is fixed on the top of elevating lever 13, described
Spring 10 is set between the spring seat of honour 9 and spring lower seat 14, and the linear guide 15 is vertically arranged on L-type vertical plate 11, institute
It states linear guide 15 and is equipped with and can be fixedly connected along the sliding sleeve that it is slided up and down, the sliding sleeve with spring lower seat 14, it is described auxiliary
Wheel 16 is helped to be mounted on the bottom end of elevating lever 13；
Stop assembly, the blocking assembly includes U-shaped frame 17, the first rack 18, the second rack 19, first rack 18
It is the rectangle rack of symmetrical shape with the second rack 19, first rack 18 and the second rack 19 are set side by side in the lateral direction
It sets, first rack 18 and the second rack 19 are staggered in the longitudinal direction, first rack 18 and the second rack 19
Inside top be hingedly fixed on U-shaped frame 17, the U-shaped frame 17 is connected to the bottom of front wing panel 2, the U-shaped frame 17
Screw rod 20 is symmetrically equipped on top surface, the screw rod 20 runs through adjusting hole, and the screw rod 20 is equipped with the adjustment spiral shell for limit
It is female.The outside of first rack 18 and the second rack 19 is equipped with universal rolling wheel, assists moving ahead for rack, avoids rack and two
The scraping friction of bank.Make to advance more brisk.
The present apparatus is defined by front and back of direction of travel, it can be seen that the first rack 18 and the second rack 19 are located at this
The front side of device blocks up rubbish for column, has protective effect to the Auxiliary support assembly and other component of rear side, avoids rubbish, miscellaneous
Object is entangled to component, influences device operation.
Claims (3)
1. a kind of environmental protection irrigation canals and ditches sundries retention device, which is characterized in that including：
Support assembly, the support assembly include crossbeam (1), and the front and rear sides of the crossbeam (1) are respectively welded front wing panel (2)
It is symmetrical on the rear fender (3) to be equipped with mounting hole with rear fender (3)；
Walking assembly, the walking assembly include support frame (4), U-shaped wheel carrier (5) and traveling wheel (6), support frame as described above (4) edge
The length direction of crossbeam (1) is set to the both ends of crossbeam (1), and the outer end of support frame as described above (4) is fixedly connected with U-shaped wheel carrier (5),
The traveling wheel (6) is rotatably mounted on U-shaped wheel carrier (5)；
Auxiliary support assembly, the Auxiliary support assembly include adjustment barrel (7), adjusting rod (8), the spring seat of honour (9), spring
(10), L-type vertical plate (11), guide pipe (12), elevating lever (13), spring lower seat (14), linear guide (15), auxiliary wheel (16),
The adjustment barrel (7) is fixed in mounting hole, and the adjustment barrel (7) is vertically arranged, the bottom end opening of the adjustment barrel (7) and top
End is equipped with top plate, and the adjusting rod (8) runs through top plate, and the adjusting rod (8) is equipped with screw thread, and the top plate is equipped with and adjusting
The screw hole that bar (8) is threadedly coupled, the spring seat of honour (9) are set in adjustment barrel (7), and the fixed company in the spring seat of honour (9)
The bottom end of adjusting rod (8) is connect or is rotationally connected with, the top of the L-type vertical plate (11) is fixed on rear fender (3), the L-type
Vertical plate (11) is set to the front side of adjustment barrel (7), and the L-type vertical plate (11) is arranged backward, and the guide pipe (12) is vertically arranged
In the bottom of L-type vertical plate (11), the elevating lever (13) along short transverse is slidably connected through guide pipe (12) and with the two, institute
The top that spring lower seat (14) is fixed on elevating lever (13) is stated, the spring (10) is set to the spring seat of honour (9) and spring lower seat
(14) between, the linear guide (15) is vertically arranged on L-type vertical plate (11), and the linear guide (15) is equipped with being capable of edge
Its sliding sleeve slided up and down, the sliding sleeve are fixedly connected with spring lower seat (14), and the auxiliary wheel (16) is mounted on elevating lever
(13) bottom end；
Stop assembly, the blocking assembly includes U-shaped frame (17), the first rack (18), the second rack (19), first rack
(18) and the second rack (19) is the rectangle rack of symmetrical shape, and first rack (18) and the second rack (19) are in right and left
It is set side by side upwards, first rack (18) and the second rack (19) are staggered in the longitudinal direction, first rack
(18) it is hingedly fixed on U-shaped frame (17) with the inside top of the second rack (19), the U-shaped frame (17) is connected to front wing panel
(2) bottom.
2. a kind of environmental protection irrigation canals and ditches sundries retention device according to claim 1, it is characterised in that：The U-shaped frame (17)
Top surface on be symmetrically equipped with screw rod (20), it is symmetrical equipped with adjusting hole, institute that screw rod (20) correspond on the front wing panel (2)
Screw rod (20) are stated through adjusting hole, the screw rod (20) is equipped with the adjusting nut for limit.
3. a kind of environmental protection irrigation canals and ditches sundries retention device according to claim 1, it is characterised in that：The U-shaped wheel carrier (5)
Including fixed link, flexible female bar and flexible sub bar, the middle part of the fixed link and the outer end of support frame (4) are welded to connect, described
The both ends of fixed link and the inner end of flexible female bar are welded to connect, and the dilaton bar is socketed in flexible female bar, and opposite can be stretched
Female bar that contracts is flexible and limits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810820149.2A CN108867561B (en) | 2018-07-24 | 2018-07-24 | Environmental protection irrigation canals and ditches debris retention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810820149.2A CN108867561B (en) | 2018-07-24 | 2018-07-24 | Environmental protection irrigation canals and ditches debris retention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108867561A true CN108867561A (en) | 2018-11-23 |
| CN108867561B CN108867561B (en) | 2020-06-19 |
Family
ID=64304621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810820149.2A Expired - Fee Related CN108867561B (en) | 2018-07-24 | 2018-07-24 | Environmental protection irrigation canals and ditches debris retention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867561B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942261A (en) * | 2021-03-29 | 2021-06-11 | 安徽金三环工程建设有限公司 | Interception method and device for water conservancy construction |
| CN114232564A (en) * | 2021-11-25 | 2022-03-25 | 吴春园 | Ditch laying device for ecological agriculture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433861A (en) * | 2011-11-02 | 2012-05-02 | 中国船舶重工集团公司第七一〇研究所 | Intercepting device for drifting or sailing objects in water |
| CN105821821A (en) * | 2016-04-01 | 2016-08-03 | 宜兴新金山环保设备有限公司 | Automatic blue-green algae collecting device |
| CN108193646A (en) * | 2018-01-06 | 2018-06-22 | 陕西理工大学 | A kind of irrigation canals and ditches sundries retention device suitable for environmental protection |
-
2018
- 2018-07-24 CN CN201810820149.2A patent/CN108867561B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433861A (en) * | 2011-11-02 | 2012-05-02 | 中国船舶重工集团公司第七一〇研究所 | Intercepting device for drifting or sailing objects in water |
| CN105821821A (en) * | 2016-04-01 | 2016-08-03 | 宜兴新金山环保设备有限公司 | Automatic blue-green algae collecting device |
| CN108193646A (en) * | 2018-01-06 | 2018-06-22 | 陕西理工大学 | A kind of irrigation canals and ditches sundries retention device suitable for environmental protection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942261A (en) * | 2021-03-29 | 2021-06-11 | 安徽金三环工程建设有限公司 | Interception method and device for water conservancy construction |
| CN114232564A (en) * | 2021-11-25 | 2022-03-25 | 吴春园 | Ditch laying device for ecological agriculture |
| CN114232564B (en) * | 2021-11-25 | 2023-10-03 | 台州市路桥奇勇农业机械有限公司 | Ditch laying device for ecological agriculture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108867561B (en) | 2020-06-19 |
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