CN113957844A - Ditch cutting model with bending function based on water conservancy management design - Google Patents
Ditch cutting model with bending function based on water conservancy management design Download PDFInfo
- Publication number
- CN113957844A CN113957844A CN202111058506.4A CN202111058506A CN113957844A CN 113957844 A CN113957844 A CN 113957844A CN 202111058506 A CN202111058506 A CN 202111058506A CN 113957844 A CN113957844 A CN 113957844A
- Authority
- CN
- China
- Prior art keywords
- ditch
- model
- water
- water conservancy
- control frame
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000005452 bending Methods 0.000 title claims abstract description 35
- 230000002262 irrigation Effects 0.000 claims abstract description 19
- 238000003973 irrigation Methods 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention provides a ditch cutting model with a bending function based on water conservancy management design, which comprises the following steps: a trench; the two water inlet holes are respectively formed in two sides of the ditch; the guide plate is rotatably connected to one side of the interior of the ditch through a rotating shaft. According to the ditch cutting model with the bending function based on the water conservancy management design, the water flowing into the ditch can be adjusted through the arranged guide plate, the water quantity flowing into the ditch is adjusted through adjusting the position of the guide plate, so that the irrigation requirement of farmlands with different areas is met, the problem that the normal growth is influenced due to the fact that the area of part of the farmlands is small, when too much water flows into the ditch, not only is the farmland crops submerged, but also the water source is not fully utilized, certain waste is caused is avoided, the reasonability of model design is improved, the collection of subsequent data is facilitated, and the ditch cutting model is worthy of being popularized and used in a large area.
Description
Technical Field
The invention relates to the technical field of water conservancy management design, in particular to a ditch cutting model with a bending function based on water conservancy management design.
Background
The water conservancy project is an important project from ancient times to present, and achieves the purposes of removing harm and benefiting by artificially controlling and transforming natural water sources.
The ditch is one of the main facilities of hydraulic engineering construction, can direct guide rivers through anhydrous district. Before the construction of a trench, a route is generally designed, displayed by using a model, and built on a terrain module for confirmation.
Among the correlation technique, carry out the drainage through the water source of irrigation ditch to the irrigation ditch, make it flow in the farmland of distributing in the irrigation ditch both sides, when two blocks of farmland areas of irrigation are different, required water source also can be different, however, because the velocity of flow of water source is the same, consequently the water source that enters into two blocks of farmland is also the same, will lead to the less farmland of area, because the water source that gets into is too much, lead to flooding of farmland crops, and make the water source not obtain abundant utilization, cause certain waste.
Therefore, it is necessary to provide a trench cutting model with a bending function based on water conservancy management design to solve the technical problems.
Disclosure of Invention
The invention provides a ditch cutting model with a bending function based on water conservancy management design, which solves the technical problems that when two irrigated farmlands are different in area, required water sources are different, water sources entering the two farmlands are the same, the farmlands with smaller areas are caused, and crops in the farmlands are submerged due to excessive water sources entering the farmlands.
In order to solve the technical problem, the invention provides a ditch cutting model with a bending function based on water conservancy management design, which comprises:
a trench;
the two water inlet holes are respectively formed in two sides of the ditch;
the guide plate is rotatably connected to one side of the interior of the ditch through a rotating shaft, the bottom end of the rotating shaft penetrates through the ditch and extends to the back of the ditch, and one end, extending to the back of the ditch, of the rotating shaft is fixedly connected with an indicating needle;
the dial is fixed on the back surface of the ditch, and the indicating needle is connected to the outer surface of the dial in a sliding manner;
the limiting piece is fixed on the outer surface of the rotating shaft, a sliding plate is connected between two sides of the interior of the limiting piece in a sliding mode, a T-shaped contact plate is fixedly connected to one side of the sliding plate, and one side of the T-shaped contact plate is in contact with the dial;
the elastic pieces are arranged on the sliding plate, one end of each elastic piece is arranged on one side inside the corresponding limiting piece, a pulling rod is fixedly connected to the sliding plate, and one end of each pulling rod penetrates through the corresponding limiting piece and extends to the outside of the corresponding limiting piece.
Preferably, the two sides of the ditch are respectively provided with a first planting model and a second planting model, and the area ratio of the first planting model to the second planting model is 1: 0.8.
preferably, the first planting model and the second planting model are made of iron sheets.
Preferably, a water level sensor for detecting the water level of irrigation is arranged in the first planting model, and a counter for recording the irrigation time is arranged on one side of the first planting model.
Preferably, triangular buffer grooves are formed in the two sides of the guide plate, and the triangular buffer grooves are distributed in two straight lines.
Preferably, a bending part for adjusting the water flow direction is arranged on the ditch.
Preferably, one side of the water inlet hole is communicated with a control frame, the control frame is communicated with the inside of the first planting model, a baffle plate used for controlling water inflow is connected between two sides of the inside of the control frame in a sliding mode, one side of the baffle plate penetrates through the control frame and extends to the outside of the control frame, and a sliding plate is fixedly connected to one side of the baffle plate extending to the outside of the control frame.
Preferably, both sides of the ditch are provided with a measuring scale, and one side of the sliding plate is slidably connected to one side of the measuring scale.
Preferably, the positive one side of control frame is rotated and is connected with stop nut, stop nut's internal thread is connected with the lead screw, the one end of lead screw is run through the control frame and is extended to the inside of control frame, the lead screw extends to the inside one end contact of control frame in on the baffle.
Preferably, the other end of the screw rod is fixedly connected with a screwing handle.
Compared with the prior art, the ditch cutting model with the bending function based on the water conservancy management design has the following beneficial effects:
the invention provides a ditch cutting model with a bending function based on water conservancy management design, which can adjust the direction of water flowing into a ditch through an arranged guide plate, and adjust the amount of the flowing water through adjusting the position of the guide plate, thereby being suitable for the irrigation requirements of farmlands with different areas, avoiding the problems that the area of part of the farmlands is small, and when the flowing water source is too much, not only the crops of the farmlands are submerged, but also the normal growth is influenced, and the water source is not fully utilized, so that certain waste is caused, further improving the rationality of model design, being beneficial to the collection of subsequent data, and being worthy of large-area popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a trench digging model with a bending function for water conservancy management design according to the present invention;
FIG. 2 is a schematic view of a backside structure of the trench shown in FIG. 1;
FIG. 3 is a schematic top cross-sectional view of the limiting member shown in FIG. 2;
FIG. 4 is a schematic structural diagram of a second embodiment of a trench cutting model with a bending function for water conservancy management design according to the present invention;
fig. 5 is a schematic top view of the control frame shown in fig. 4.
Reference numbers in the figures: 1. the device comprises a ditch, 2, a water inlet hole, 3, a guide plate, 4, a rotating shaft, 5, an indicating needle, 6, a dial, 7, a limiting part, 8, a sliding plate, 9, a T-shaped contact plate, 10, an elastic part, 11, a pulling rod, 12, a first planting model, 13, a second planting model, 14, a water level sensor, 15, a counter, 16, a triangular buffer tank, 17, a bending part, 18, a control frame, 19, a baffle, 20, a sliding plate, 21, a measuring scale, 22, a limiting nut, 23, a screw rod, 24 and a screwing handle.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a trench digging model with a bending function for water conservancy management design according to a first embodiment of the present invention; FIG. 2 is a schematic view of a backside structure of the trench shown in FIG. 1; fig. 3 is a schematic top cross-sectional view of the limiting member shown in fig. 2. Based on irrigation canals and ditches excavation model that water conservancy management design was with having the function of bending includes: a trench 1;
the two water inlet holes 2 are respectively formed in two sides of the ditch 1;
the guide plate 3 is rotatably connected to one side inside the ditch 1 through a rotating shaft 4, the bottom end of the rotating shaft 4 penetrates through the ditch 1 and extends to the back of the ditch 1, and one end, extending to the back of the ditch 1, of the rotating shaft 4 is fixedly connected with an indicating needle 5;
a scale 6, wherein the scale 6 is fixed on the back surface of the ditch 1, and the indicating needle 5 is slidably connected with the outer surface of the scale 6;
the limiting piece 7 is fixed on the outer surface of the rotating shaft 4, a sliding plate 8 is connected between two sides of the interior of the limiting piece 7 in a sliding mode, a T-shaped contact plate 9 is fixedly connected to one side of the sliding plate 8, and one side of the T-shaped contact plate 9 is in contact with the dial 6;
the two elastic pieces 10 are arranged on the sliding plate 8, one end of each elastic piece 10 is arranged on one side inside the limiting piece 7, a pulling rod 11 is fixedly connected to the sliding plate 8, and one end of each pulling rod 11 penetrates through the limiting piece 7 and extends to the outside of the limiting piece 7;
the arrangement of the guide plate 3 can adjust the inclination angle of the guide plate 3 according to planting models with different areas;
through the arranged elastic piece 10, the T-shaped contact plate 9 is pushed to be in contact with the dial 6 for extrusion in the rebound process, so that the adjusted position of the guide plate 3 is fixed, the data of the indicating needle 5 on the dial 6 can be conveniently read, the firmness of the guide plate 3 in the drainage process is improved, and the deviation is avoided;
the data of the pointer 5 on the dial 6 are recorded, so that the application to the practice is facilitated;
the design of the guide plate 3 is applied to the ridge in reality and is used for guiding the water source;
in this embodiment, the elastic member 10 is a spring. It is understood that in other embodiments, the elastic member 10 may be other elastic members, such as elastic rubber and disc-shaped elastic pieces.
The two sides of the ditch 1 are respectively provided with a first planting model 12 and a second planting model 13, and the area ratio of the first planting model 12 to the second planting model 13 is 1: 0.8;
the first planting model 12 and the second planting model 13 are both farmland models and form a whole with the ditch, so that the condition that a water source enters the farmland is simulated;
referring to fig. 1, the area ratio of the first planting pattern 12 to the second planting pattern 13 is 1: 0.8, thereby being convenient for researching the required water source quantity and time under different areas.
The first planting model 12 and the second planting model 13 are made of iron sheets;
the design of iron sheet through the material, can bend, form different shapes, make first planting model 12 and second plant model 13 and simulate according to the shape in farmland in the reality to combine together theory and reality, improve the authenticity and the rationality of design.
A water level sensor 14 for detecting the water level of irrigation is arranged in the first planting model 12, and a counter 15 for recording the irrigation time is arranged on one side of the first planting model 12;
a water level sensor 14 and a counter, both connected to an external power supply and a control switch;
the water level sensor 14 can record the water amount in the first planting model 12 and the second planting model 13, so that the optimal water source suitable for the requirements of crops in the fields in the first planting model 12 and the second planting model 13 is observed, and the later application to the reality is facilitated;
and a counter 15 is arranged for recording the time after the farmland is irrigated to a reasonable water level.
The two sides of the guide plate 3 are both provided with triangular buffer grooves 16, and the triangular buffer grooves 16 are distributed in two straight lines;
through the triangle dashpot 16 that sets up for the water source is when carrying right, cushions the impact force at the water source, avoids the impact force too big, makes near the crops of planting of inlet opening 2 fall down, thereby influences normal growth.
A bending part 17 for adjusting the water flow direction is arranged on the ditch 1;
the bending part 17 adopts the prior art, and only the effect of adjusting the water conveying direction of the ditch 1 is needed;
the bending portion 17 is provided to provide the trench 1 with a bending function.
The working principle of the ditch cutting model with the bending function based on the water conservancy management design provided by the invention is as follows:
when the ditch is used, the irrigation amount of a water source can be controlled according to the area of a planted farmland, firstly, the shape of a first planting model 12 and a second planting model 13 is adjusted according to the shape of the farmland in reality, wherein, because the area of the first planting model 12 is larger than the area of the second planting model 13, the required irrigation water source amount is larger than that of the second planting model 12, a pulling rod 11 pulls a sliding plate 8 to slide on the inner wall of a limiting part 7, a T-shaped contact plate 9 is separated from a dial 6, a rotating shaft 4 rotates a guide plate 3 and an indicating needle 5 to enable a baffle plate 19 to be in an inclined state, so that the water inflow is adjusted, at the moment, the T-shaped contact plate 9 on the sliding plate 8 is pushed to contact and extrude the dial 6 under the resilience of an elastic part 10 by releasing the pulling rod 11, thereby restricting the rotation of the rotary shaft 4 and at the same time, the positions of the indicating needle 5 and the deflector 3 are determined.
Compared with the prior art, the ditch cutting model with the bending function based on the water conservancy management design has the following beneficial effects:
through the guide plate 3 that sets up, can be to the water that flows into to irrigation canals and ditches 1 to adjusting, and through the regulation to 3 positions of guide plate, adjust the water yield of inflow, thereby be suitable for the irrigation demand in different area farmland, avoid because partial farmland area is less, when the water source that flows in is too much, not only lead to flooding of farmland crops, influence normal growth, and make the water source not obtain abundant utilization, cause certain waste, and then improved model design's rationality, be favorable to the collection of follow-up data, be worth using widely by a large scale.
Second embodiment
Referring to fig. 4-5, based on the trench cutting model with a bending function for water conservancy management design provided in the first embodiment of the present application, a second embodiment of the present application provides another trench cutting model with a bending function for water conservancy management design. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that the ditch excavation model with function of bending based on water conservancy management design that the second embodiment of this application provided lies in: a control frame 18 is communicated with one side of the water inlet hole 2, the control frame 18 is communicated with the inside of the first planting model 12, a baffle plate 19 for controlling the water inflow is connected between two sides of the inside of the control frame 18 in a sliding manner, one side of the baffle plate 19 penetrates through the control frame 18 and extends to the outside of the control frame 18, and a sliding plate 20 is fixedly connected to one side of the baffle plate 19 extending to the outside of the control frame 18;
through the baffle 19 that sets up, can control the size of 2 inflow of inlet opening to the later stage of being convenient for decides in reality how big is seted up to inlet opening 2.
Measuring scales 21 are arranged on two sides of the ditch 1, and one side of the sliding plate 20 is connected to one side of the measuring scales 21 in a sliding manner;
through the dipperstick 21 that sets up, can carry out the record to the position of baffle 19 to be convenient for understand the aperture of inlet opening 2, make the 2 sizes of inlet opening of seting up in the follow-up practical application.
One side of the front surface of the control frame 18 is rotatably connected with a limit nut 22, the internal thread of the limit nut 22 is connected with a screw rod 23, one end of the screw rod 23 penetrates through the control frame 18 and extends to the inside of the control frame 18, and one end of the screw rod 23 extending to the inside of the control frame 18 is in contact with the baffle 19;
through the screw 23 that sets up, under the rotation removes, fix the baffle 19 position after the regulation, avoid under the impact of water source, make baffle 19 take place to remove.
The other end of the screw rod 23 is fixedly connected with a screwing handle 24.
The water inlet holes 2 are formed, so that a conveyed water source is guided to enter the first planting model 12 and the second planting model 13, the crops close to the water inlet holes 2 are flushed by water to influence normal growth in order to avoid the increase of the water flow speed of inlet water, the size of the water inlet holes 2 is adjusted, and when the adjustment is carried out, the baffle plate 19 is pushed to slide in the control frame 18, so that the opening of the control frame 18 is reduced, the quantity of the water source is reduced, and the crops are prevented from being flushed;
in order to avoid the situation that the position of the baffle 19 is displaced under the impact of a water source, the screw rod 23 is driven to rotate in the limit nut 22 and move downwards through the rotation of the screwing handle 24, so that the baffle 19 is resisted, the screw rod 23 is limited and fixed through the rotation of the limit nut 22, and finally the position of the baffle 19 is determined.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a ditch cutting model with function of bending based on water conservancy management design which characterized in that includes:
a trench;
the two water inlet holes are respectively formed in two sides of the ditch;
the guide plate is rotatably connected to one side of the interior of the ditch through a rotating shaft, the bottom end of the rotating shaft penetrates through the ditch and extends to the back of the ditch, and one end, extending to the back of the ditch, of the rotating shaft is fixedly connected with an indicating needle;
the dial is fixed on the back surface of the ditch, and the indicating needle is connected to the outer surface of the dial in a sliding manner;
the limiting piece is fixed on the outer surface of the rotating shaft, a sliding plate is connected between two sides of the interior of the limiting piece in a sliding mode, a T-shaped contact plate is fixedly connected to one side of the sliding plate, and one side of the T-shaped contact plate is in contact with the dial;
the elastic pieces are arranged on the sliding plate, one end of each elastic piece is arranged on one side inside the corresponding limiting piece, a pulling rod is fixedly connected to the sliding plate, and one end of each pulling rod penetrates through the corresponding limiting piece and extends to the outside of the corresponding limiting piece.
2. The water conservancy management design-based ditch cutting model with bending function according to claim 1, wherein a first planting model and a second planting model are respectively arranged on both sides of the ditch, and the area ratio of the first planting model to the second planting model is 1: 0.8.
3. the water conservancy management design-based ditch cutting model with the bending function according to claim 2, wherein the first planting model and the second planting model are both made of iron sheets.
4. The irrigation ditch cutting model with the bending function based on water conservancy management design of claim 2, wherein a water level sensor for detecting the water level of irrigation is arranged inside the first planting model, and a counter for recording the irrigation time is arranged on one side of the first planting model.
5. The irrigation ditch cutting model with the bending function based on water conservancy management design of claim 1, wherein triangular buffer grooves are formed in both sides of the guide plate, and the triangular buffer grooves are distributed in two straight lines.
6. The water conservancy management design-based ditch cutting model with the bending function according to claim 1, wherein a bending part for adjusting the water flow direction is arranged on the ditch.
7. The model of claim 1, wherein one side of the water inlet hole is communicated with a control frame, the control frame is communicated with the interior of the first planting model, a baffle plate for controlling water inflow is connected between two sides of the interior of the control frame in a sliding manner, one side of the baffle plate penetrates through the control frame and extends to the exterior of the control frame, and a sliding plate is fixedly connected to one side of the baffle plate extending to the exterior of the control frame.
8. The water conservancy management design-based ditch cutting model with bending function according to claim 1, wherein measuring scales are arranged on both sides of the ditch, and one side of the sliding plate is slidably connected to one side of each measuring scale.
9. The irrigation ditch excavation model with function of bending based on water conservancy management design of claim 7, characterized in that, the positive one side of control frame rotates and is connected with stop nut, stop nut's internal thread is connected with the lead screw, the one end of lead screw runs through the control frame and extends to the inside of control frame, the lead screw extend to the inside one end contact of control frame on the baffle.
10. The water conservancy management design-based ditch cutting model with the bending function according to claim 9, wherein a screwing handle is fixedly connected to the other end of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058506.4A CN113957844A (en) | 2021-09-10 | 2021-09-10 | Ditch cutting model with bending function based on water conservancy management design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058506.4A CN113957844A (en) | 2021-09-10 | 2021-09-10 | Ditch cutting model with bending function based on water conservancy management design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113957844A true CN113957844A (en) | 2022-01-21 |
Family
ID=79461241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058506.4A Pending CN113957844A (en) | 2021-09-10 | 2021-09-10 | Ditch cutting model with bending function based on water conservancy management design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113957844A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280568Y (en) * | 2008-08-01 | 2009-07-29 | 中冶赛迪工程技术股份有限公司 | Trough shunting and regulating mechanism |
| RU2615337C1 (en) * | 2016-02-09 | 2017-04-04 | Михаил Иванович Голубенко | Flow mode control method in the opened channel |
| RU2660243C1 (en) * | 2017-11-07 | 2018-07-05 | Михаил Иванович Голубенко | Two-sided water divided for channels with steep slopes |
| CN109511518A (en) * | 2018-10-27 | 2019-03-26 | 柏焕玉 | A kind of integration irrigation and water conservancy irrigation system |
| TWI679340B (en) * | 2018-10-09 | 2019-12-11 | 尚偉機電有限公司 | Gate type water retaining device |
| CN213773268U (en) * | 2020-11-03 | 2021-07-23 | 张亮 | Farmland water conservancy diverging device |
-
2021
- 2021-09-10 CN CN202111058506.4A patent/CN113957844A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201280568Y (en) * | 2008-08-01 | 2009-07-29 | 中冶赛迪工程技术股份有限公司 | Trough shunting and regulating mechanism |
| RU2615337C1 (en) * | 2016-02-09 | 2017-04-04 | Михаил Иванович Голубенко | Flow mode control method in the opened channel |
| RU2660243C1 (en) * | 2017-11-07 | 2018-07-05 | Михаил Иванович Голубенко | Two-sided water divided for channels with steep slopes |
| TWI679340B (en) * | 2018-10-09 | 2019-12-11 | 尚偉機電有限公司 | Gate type water retaining device |
| CN109511518A (en) * | 2018-10-27 | 2019-03-26 | 柏焕玉 | A kind of integration irrigation and water conservancy irrigation system |
| CN213773268U (en) * | 2020-11-03 | 2021-07-23 | 张亮 | Farmland water conservancy diverging device |
Non-Patent Citations (1)
| Title |
|---|
| 皮积瑞主编: "农田水利与泵站工程", 北京：水利电力出版社, pages: 30 - 38 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101779537B (en) | Method for planting dryland crops by crashing soil | |
| CN101785386A (en) | Adjusting device used for sowing depth automatic control system | |
| CN105010095B (en) | Specific discharge type irrigation water metering and controlling device | |
| CN111837548A (en) | Accurate layering fertilizing and seeding all-in-one | |
| CN211630832U (en) | Rice transplanter matched side deep fertilizing device | |
| CN108548581A (en) | One kind is from tipping bucket type duty metering device | |
| CN203784432U (en) | Passive type farm irrigation automatic control device | |
| CN209760192U (en) | Lifting type ecological weir gate for agricultural irrigation ditch | |
| CN109804754B (en) | Novel traction sesame seeder | |
| CN113957844A (en) | Ditch cutting model with bending function based on water conservancy management design | |
| CN207720671U (en) | A kind of rice mechanical transplanting adjustable-side position ditching device for deep fertilization | |
| CN110306503A (en) | A kind of rainy agriculture prevention waterlogging system in season area | |
| CN102388701A (en) | Mechanical ditching and soil covering device used in rice stubble paddy fields | |
| CN105672448A (en) | Efficient interception system and control method for agricultural non-point source pollution | |
| CN212278838U (en) | Accurate layering fertilizing and seeding all-in-one | |
| CN214339120U (en) | Tree watering auxiliary device | |
| CN211532217U (en) | Crops side degree of depth fertilizing mechanism | |
| CN209897599U (en) | Novel towed sesame seeder | |
| CN209930890U (en) | Small-seed crop precision seeder | |
| CN203378239U (en) | Early-warning ridging precision seeder | |
| CN104404933A (en) | Simple water inlet device for farmland irrigation | |
| CN206283815U (en) | A kind of novel corn breeding seeder | |
| CN207201570U (en) | A kind of automatic irrigation drainage arrangement | |
| CN210737477U (en) | Hydraulic self-driving type measurement and control integrated gate | |
| CN112889378A (en) | Intelligent agricultural machine's chinese yam planting mechanism |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220121 |