CN204836965U - Dark pine soil preparation combined operation machine - Google Patents
Dark pine soil preparation combined operation machine Download PDFInfo
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- CN204836965U CN204836965U CN201520495171.6U CN201520495171U CN204836965U CN 204836965 U CN204836965 U CN 204836965U CN 201520495171 U CN201520495171 U CN 201520495171U CN 204836965 U CN204836965 U CN 204836965U
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Abstract
Dark pine soil preparation combined operation machine including subsoiler, still includes rotary cultivator and the compression roller who sets up at the rotary cultivator rear, and the rotary cultivator setting is at subsoiler's rear, and the front end of rotary cultivator frame is connected with the rear end of subsoiler frame, and compression roller includes the roller, and rotary tillage axle and roller all level setting are provided with a plurality of trapezoidal hack teeth all with the help of rear universal joint transmission shaft and rotary cultivator frame formation normal running fit on the roller, and the longer inclined plane of hack tooth is towards the direction of advance of subsoiler frame. Depth of field pine, rotary tillage, suppress in an organic whole, dark pine and soil preparation operation can be accomplished in a subjob, makes deep soil loose, and soil is broken in the 14cm of top layer levels, satisfiedly directly sows the requirement, has avoided a lot of compaction to soil, and combined operation can also reduce the tractor energy resource consumption, reduces machines purchase commodity usefulness, improves the operating efficiency, saves fuel volume and farming cost.
Description
Technical field
The utility model belongs to agricultural machinery equipment technical field, relates to subsoiling land preparation combine.
Background technology
Domestic existing subsoiling land preparation combine or subsoiler, major part can only realize Subsoiling and simple soil-crushing function, does not reach the soil demand of directly sowing, need rotovator level land further, hack after operation; And then with rake or packer carry out raking the soil level, level land, hack and suppression.Dilatory unit repeats repeatedly to roll soil lowerly, causes the destruction of soil layer construction, is unfavorable for the growth of crops, can affect the output of crops.And tractor repeats lowerly, amount of fuel is too large, and farming cost is too high.
Summary of the invention
The utility model is in order to overcome the defect of prior art, devise subsoiling land preparation combine, subsoiling land preparation is effective, operating efficiency is high, decrease the rolling layer to soil, enhance the gas permeability of soil, the requirement of directly sowing can be met, improve the output of crops, save the farming time simultaneously, save amount of fuel and farming cost.
The concrete technical scheme that the utility model is taked is: subsoiling land preparation combine, comprise subsoiler, subsoiler comprises subsoiler frame, the front end of subsoiler frame is provided with the front Cardan shaft arranged along the longitudinal direction, the both sides of subsoiler frame front end are all provided with gauge wheel, key is: described combine also comprises rotovator and is arranged on the pack roller at rotovator rear, rotovator is arranged on the rear of subsoiler, rotovator comprises rotovator frame, rotary tillage shaft, rear universal joint power transmission shaft, rotary tillage shaft is provided with rotary blade, the front end of rear universal joint power transmission shaft is connected with the rear end of front Cardan shaft, the rear end of rear universal joint power transmission shaft is connected with the input of reduction box, the output of reduction box is connected with rotary tillage shaft, the front end of rotovator frame is connected with the rear end of subsoiler frame, pack roller comprises roll shaft, rotary tillage shaft and roll shaft are all horizontally disposed with and are all formed by rear universal joint power transmission shaft and rotovator frame and be rotatably assorted, roll shaft is provided with multiple trapezoidal hack tooth, the longer inclined-plane of hack tooth is towards the direction of advance of subsoiler frame.
Described rotovator also comprises tilling depth adjusting device, tilling depth adjusting device comprises adjustment frame plate, adjustment screw rod, screw connection, adjustment frame plate is vertically arranged, front end and the subsoiler rack locking of adjustment frame plate are fixed, the rear end of adjustment frame plate is fixedly connected with the lateral surface of rotovator frame, adjustment frame plate vertically offers adjustment hole, screw connection is horizontally disposed with, one end of screw connection is provided with clamp nut, the other end of screw connection break-through rotovator frame and adjustment hole and end radially offers screw successively, adjustment screw rod vertically arranges and is formed to lock with the screw in screw connection and coordinates.
Described tilling depth adjusting device also comprises support transverse slat and lower locking nut, support transverse slat be horizontally disposed with and be fixedly connected with adjustment frame plate top, the upper end of adjustment screw rod is provided with turning handle, the lower end break-through support transverse slat of adjustment screw rod is formed to lock with the screw in screw connection and coordinates, lower locking nut is sleeved on adjustment screw rod, and the lower surface of lower locking nut contacts with the upper surface of screw connection.
On described roll shaft, every eight hack teeth are one group and eight hack teeth of same group are along the circumferential direction arranged at equal intervals, are separated by 18 ° in a circumferential direction between two hack teeth in two adjacent groups.
Described pack roller also comprises gripper shoe and adjustment support plate, adjustment support plate is fixedly connected with the lateral surface of rotovator frame, adjustment support plate offers two registration holes along the vertical direction, gripper shoe by fixed pin shaft with adjust support plate and formed to lock and coordinate, roll shaft and gripper shoe are formed and are rotatably assorted.
Described pack roller also comprises earth scraping device, earth scraping device comprises scraping frame and clean-up scraper, scraping frame comprises the location-plate be arranged in parallel with roll shaft, the two ends of location-plate are all provided with connecting plate, the front end of connecting plate is fixedly connected with gripper shoe, the rear end of connecting plate is fixedly connected with location-plate, and the front end face of fixed head is provided with multiple clean-up scraper along its length, and clean-up scraper is arranged in the gap of adjacent two hack teeth.
Described subsoiler also comprises subsoiling spade, holder, the lower end of subsoiling spade is provided with spear, spear is towards the direction of advance of subsoiler frame, the upper end of subsoiling spade is fixedly connected with the lower end of holder, the upper end of holder is fixedly connected with the inner side of subsoiler frame, all subsoiling spades in left-right direction at equal intervals arrange and adjacent two be crisscross arranged along the longitudinal direction.
The left and right sides of described subsoiling spade is all provided with flank cutter, and the blade of flank cutter and spear are all provided with wearing layer.
Set up gauge wheel adjusting device, set up gauge wheel adjusting device and comprise adjustment square tube, fixing square tube, adjusting screw(rod), the lower end of adjustment square tube is fixed with wheel shaft, gauge wheel and wheel shaft are formed and are rotatably assorted, the upper end of adjustment square tube is sleeved in fixing square tube, and fixing square tube is fixedly connected with inside subsoiler frame, is provided with tapped fixed cover in adjustment square tube, the upper end of adjusting screw(rod) is provided with the adjustment handle of L shape, and lower end and the fixed cover of adjusting screw(rod) form screw-threaded coupling and coordinate.
The upper end of described fixing square tube is provided with pressure axis bearing, and adjusting screw(rod) break-through pressure axis bearing forms screw-threaded coupling with fixed cover and coordinates, and wheel shaft is provided with bearing block, and gauge wheel and bearing block are formed and be rotatably assorted.
The beneficial effects of the utility model are: set up rotovator and pack roller at deep ploughing machine rear, depth of field pine, rotary tillage, hack, suppress in one, break hard tillage pan, thickening is loosened the soil layer, improve soil plough horizon structure, deep soil is loosened, in the 14cm of top layer, soil is soft smooth, particle is closely in small, broken bits, subsoil moisture is impelled to rise and not easily distribute, meet and directly sow requirement, improve retaining and conserveing soil moisture of soil, the waterlogging ability of drought resisting, avoid the repeatedly compacting to soil, integration of operation can also reduce tractor energy resource consumption, reduce facility acquisition expenses, improve operating efficiency, save amount of fuel and farming cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of tilling depth adjusting device in the utility model.
Fig. 3 is that the B-B of Fig. 2 is to generalized section.
Fig. 4 is the structural representation of gauge wheel adjusting device in the utility model.
Fig. 5 is that the G-G of Fig. 4 is to generalized section.
In accompanying drawing, Cardan shaft before 1 representative, 2 represent gauge wheel, 3 represent rotovator frame, 4 represent rotary tillage shaft, 5 represent rear universal joint power transmission shaft, 6 represent roll shaft, 7 represent hack tooth, 8 representative adjustment frame plates, 9 representative adjustment screw rods, 10 represent screw connection, 11 represent clamp nut, 12 representatives support transverse slat, 13 represent turning handle, 14 represent gripper shoe, 15 representative adjustment support plates, 16 represent scraping frame, 17 represent subsoiling spade, 18 represent holder, 19 represent spear, 20 represent flank cutter, 21 representative adjustment square tubes, the fixing square tube of 22 representative, 23 represent adjusting screw(rod), 24 represent wheel shaft, 25 representative adjustment handles, 26 representative pressure bearing blocks, 27 represent bearing block.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Specific embodiment, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, subsoiling land preparation combine, comprise subsoiler, subsoiler comprises subsoiler frame, the front end of subsoiler frame is provided with the front Cardan shaft 1 arranged along the longitudinal direction, the both sides of subsoiler frame front end are all provided with gauge wheel 2, subsoiler also comprises subsoiling spade 17, holder 18, the lower end of subsoiling spade 17 is provided with spear 19, spear 19 is towards the direction of advance of subsoiler frame, the upper end of subsoiling spade 17 is fixedly connected with the lower end of holder 18, the upper end of holder 18 is fixedly connected with the inner side of subsoiler frame, all subsoiling spades 17 in left-right direction at equal intervals arrange and adjacent two be crisscross arranged along the longitudinal direction, the left and right sides of subsoiling spade 17 is all provided with flank cutter 20, the blade of flank cutter 20 and spear 19 are all provided with wearing layer.
Combine also comprises rotovator and is arranged on the pack roller at rotovator rear, rotovator is arranged on the rear of subsoiler, rotovator comprises rotovator frame 3, rotary tillage shaft 4, rear universal joint power transmission shaft 5, rotary tillage shaft 4 is provided with rotary blade, the front end of rear universal joint power transmission shaft 5 is connected with the rear end of front Cardan shaft 1, the rear end of rear universal joint power transmission shaft 5 is connected with the input of reduction box, the output of reduction box is connected with rotary tillage shaft 4, the front end of rotovator frame 3 is connected with the rear end of subsoiler frame, pack roller comprises roll shaft 6, rotary tillage shaft 4 and roll shaft 6 are all horizontally disposed with and are all formed by rear universal joint power transmission shaft 5 and rotovator frame 3 and be rotatably assorted, roll shaft 6 is provided with multiple trapezoidal hack tooth 7, the longer inclined-plane of hack tooth 7 is towards the direction of advance of subsoiler frame, on roll shaft 6, every eight hack teeth 7 are one group and eight hack teeth 7 of same group are along the circumferential direction arranged at equal intervals, 18 ° are separated by a circumferential direction between two hack teeth 7 in two adjacent groups.Depth of field pine, rotary tillage, suppress in one, subsoiling land preparation is effective, operating efficiency is high, decrease the rolling layer to soil, enhance the gas permeability of soil, the requirement of directly sowing can be met, improve the output of crops, saved the farming time simultaneously, save amount of fuel, save farming cost.
As to further improvement of the utility model, rotovator also comprises tilling depth adjusting device, tilling depth adjusting device comprises adjustment frame plate 8, adjustment screw rod 9, screw connection 10, adjustment frame plate 8 is vertically arranged, front end and the subsoiler rack locking of adjustment frame plate 8 are fixed, the rear end of adjustment frame plate 8 is fixedly connected with the lateral surface of rotovator frame 3, adjustment frame plate 8 vertically offers adjustment hole, screw connection 10 is horizontally disposed with, one end of screw connection 10 is provided with clamp nut 11, the other end of screw connection 10 break-through rotovator frame 3 and adjustment hole and end radially offers screw successively, adjustment screw rod 9 vertically arranges and is formed to lock with the screw in screw connection 10 and coordinates.
Tilling depth adjusting device also comprises support transverse slat 12 and lower locking nut, support transverse slat 12 be horizontally disposed with and be fixedly connected with adjustment frame plate 8 top, the upper end of adjustment screw rod 9 is provided with turning handle 13, the lower end break-through support transverse slat 12 of adjustment screw rod 9 is formed to lock with the screw in screw connection 10 and coordinates, lower locking nut is sleeved on adjustment screw rod 9, and the lower surface of lower locking nut contacts with the upper surface of screw connection 10.When needing to regulate the rotary tillage depth, unscrew the clamp nut 11 in screw connection 10 and the lower locking nut on adjustment screw rod 9, the turning handle 13 that turns clockwise makes screw connection 10 move upward in adjustment hole, thus drive rotovator frame 3 to move up, tilling depth is adjusted shallow, otherwise tilth increase, tilling depth be transferred to suitable after, tighten clamp nut 11 and adjustment screw rod 9 on lower locking nut.
As to further improvement of the utility model, pack roller also comprises gripper shoe 14 and adjustment support plate 15, adjustment support plate 15 is fixedly connected with the lateral surface of rotovator frame 3, adjustment support plate 15 offers two registration holes along the vertical direction, gripper shoe 14 is formed to lock by fixed pin shaft coordinate with adjustment support plate 15, and roll shaft 6 and gripper shoe 14 are formed and be rotatably assorted.The angle of pack roller can be changed by exchanging locating hole, improving suppression effect.
As to further improvement of the utility model, pack roller also comprises earth scraping device, earth scraping device comprises scraping frame 16 and clean-up scraper, scraping frame 16 comprises the location-plate be arranged in parallel with roll shaft 6, the two ends of location-plate are all provided with connecting plate, the front end of connecting plate is fixedly connected with gripper shoe 14, the rear end of connecting plate is fixedly connected with location-plate, the front end face of fixed head is provided with multiple clean-up scraper along its length, clean-up scraper is arranged in the gap of adjacent two hack teeth 7, automatically and in time can clear up the long-pending soil on roll shaft 6.
As to further improvement of the utility model, set up gauge wheel adjusting device, set up gauge wheel adjusting device and comprise adjustment square tube 21, fixing square tube 22, adjusting screw(rod) 23, the lower end of adjustment square tube 21 is fixed with wheel shaft 24, gauge wheel 2 and wheel shaft 24 are formed and are rotatably assorted, the upper end of adjustment square tube 21 is sleeved in fixing square tube 22, fixing square tube 22 is fixedly connected with inside subsoiler frame, tapped fixed cover is provided with in adjustment square tube 21, the upper end of adjusting screw(rod) 23 is provided with the adjustment handle 25 of L shape, lower end and the fixed cover of adjusting screw(rod) 23 form screw-threaded coupling and coordinate.By rotating adjustment handle 25, driving adjustment square tube 21 and gauge wheel 2 to move up and down, thus changing the subsoiling degree of depth, obtaining better subsoiling effect.
As to further improvement of the utility model, the upper end of fixing square tube 22 is provided with pressure axis bearing 26, adjusting screw(rod) 23 break-through pressure axis bearing 26 forms screw-threaded coupling with fixed cover and coordinates, pressure axis bearing 26 plays support and position-limiting action to adjustment handle 25, wheel shaft 24 is provided with bearing block 27, gauge wheel 2 and bearing block 27 are formed and are rotatably assorted, and can slow down the rate of wear of gauge wheel 2, extend the service life of gauge wheel 2.
The utility model is in the specific implementation: subsoiler makes soil layer form the covered conduit of certain intervals in 35 ~ 45cm depths under the tractive force of tractor, flank cutter 20 can produce the above soil of tillage pan and loosen, achieve the omnibearing subsoiling of soil, fully reach functions such as proposing ground temperature, retaining, soil moisture conservation, drought resisting, prevention waterlogging, on rotary tillage shaft 4, the rotation of rotary blade and the compound motion of unit onward impulse carry out top layer hack to the field that subsoiling is crossed, grading operation, when the soil of rearmost pack roller after farming, utilize the synergy of own wt and hack tooth 7 the soil block chopping in soil and compacting, effectively to increase the sealing of soil surface, reduce Soil oxidation and moisture evaporation, one-stop operation can complete subsoiling and tillage operation, deep soil is loosened, in the 14cm of top layer, soil is soft smooth, particle is closely in small, broken bits, meet and directly sow requirement, avoid the repeatedly compacting to soil, integration of operation can also reduce tractor energy resource consumption, reduce facility acquisition expenses, improve operating efficiency, save amount of fuel and farming cost.
Claims (10)
1. subsoiling land preparation combine, comprise subsoiler, subsoiler comprises subsoiler frame, the front end of subsoiler frame is provided with the front Cardan shaft (1) arranged along the longitudinal direction, the both sides of subsoiler frame front end are all provided with gauge wheel (2), it is characterized in that: described combine also comprises rotovator and is arranged on the pack roller at rotovator rear, rotovator is arranged on the rear of subsoiler, rotovator comprises rotovator frame (3), rotary tillage shaft (4), rear universal joint power transmission shaft (5), (4) are provided with rotary blade to rotary tillage shaft, the front end of rear universal joint power transmission shaft (5) is connected with the rear end of front Cardan shaft (1), the rear end of rear universal joint power transmission shaft (5) is connected with the input of reduction box, the output of reduction box is connected with rotary tillage shaft (4), the front end of rotovator frame (3) is connected with the rear end of subsoiler frame, pack roller comprises roll shaft (6), rotary tillage shaft (4) and roll shaft (6) are all horizontally disposed with and are all formed by rear universal joint power transmission shaft (5) and rotovator frame (3) and be rotatably assorted, roll shaft (6) is provided with multiple trapezoidal hack tooth (7), the longer inclined-plane of hack tooth (7) is towards the direction of advance of subsoiler frame.
2. subsoiling land preparation combine according to claim 1, it is characterized in that: described rotovator also comprises tilling depth adjusting device, tilling depth adjusting device comprises adjustment frame plate (8), adjustment screw rod (9), screw connection (10), adjustment frame plate (8) is vertically arranged, front end and the subsoiler rack locking of adjustment frame plate (8) are fixed, the rear end of adjustment frame plate (8) is fixedly connected with the lateral surface of rotovator frame (3), adjustment frame plate (8) vertically offers adjustment hole, screw connection (10) is horizontally disposed with, one end of screw connection (10) is provided with clamp nut (11), the other end of screw connection (10) break-through rotovator frame (3) and adjustment hole and end radially offers screw successively, adjustment screw rod (9) vertically arranges and is formed to lock with the screw in screw connection (10) and coordinates.
3. subsoiling land preparation combine according to claim 2, it is characterized in that: described tilling depth adjusting device also comprises support transverse slat (12) and lower locking nut, support transverse slat (12) be horizontally disposed with and be fixedly connected with adjustment frame plate (8) top, the upper end of adjustment screw rod (9) is provided with turning handle (13), lower end break-through support transverse slat (12) of adjustment screw rod (9) is formed to lock with the screw in screw connection (10) and coordinates, lower locking nut is sleeved in adjustment screw rod (9), the lower surface of lower locking nut contacts with the upper surface of screw connection (10).
4. subsoiling land preparation combine according to claim 1, it is characterized in that: upper every eight the hack teeth (7) of described roll shaft (6) are one group and eight hack teeth (7) of same group are along the circumferential direction arranged at equal intervals, are separated by 18 ° in a circumferential direction between two hack teeth (7) in two adjacent groups.
5. subsoiling land preparation combine according to claim 1, it is characterized in that: described pack roller also comprises gripper shoe (14) and adjustment support plate (15), adjustment support plate (15) is fixedly connected with the lateral surface of rotovator frame (3), adjustment support plate (15) offers two registration holes along the vertical direction, gripper shoe (14) is formed to lock by fixed pin shaft coordinate with adjustment support plate (15), and roll shaft (6) and gripper shoe (14) are formed and be rotatably assorted.
6. subsoiling land preparation combine according to claim 5, it is characterized in that: described pack roller also comprises earth scraping device, earth scraping device comprises scraping frame (16) and clean-up scraper, scraping frame (16) comprises the location-plate be arranged in parallel with roll shaft (6), the two ends of location-plate are all provided with connecting plate, the front end of connecting plate is fixedly connected with gripper shoe (14), the rear end of connecting plate is fixedly connected with location-plate, the front end face of fixed head is provided with multiple clean-up scraper along its length, and clean-up scraper is arranged in the gap of adjacent two hack teeth (7).
7. subsoiling land preparation combine according to claim 1, it is characterized in that: described subsoiler also comprises subsoiling spade (17), holder (18), the lower end of subsoiling spade (17) is provided with spear (19), spear (19) is towards the direction of advance of subsoiler frame, the upper end of subsoiling spade (17) is fixedly connected with the lower end of holder (18), the upper end of holder (18) is fixedly connected with the inner side of subsoiler frame, all subsoiling spades (17) in left-right direction at equal intervals arrange and adjacent two be crisscross arranged along the longitudinal direction.
8. subsoiling land preparation combine according to claim 7, it is characterized in that: the left and right sides of described subsoiling spade (17) is all provided with flank cutter (20), the blade of flank cutter (20) and spear (19) are all provided with wearing layer.
9. subsoiling land preparation combine according to claim 1, it is characterized in that: set up gauge wheel adjusting device, set up gauge wheel adjusting device and comprise adjustment square tube (21), fixing square tube (22), adjusting screw(rod) (23), the lower end of adjustment square tube (21) is fixed with wheel shaft (24), gauge wheel (2) and wheel shaft (24) are formed and are rotatably assorted, the upper end of adjustment square tube (21) is sleeved in fixing square tube (22), fixing square tube (22) is fixedly connected with inside subsoiler frame, tapped fixed cover is provided with in adjustment square tube (21), the upper end of adjusting screw(rod) (23) is provided with the adjustment handle (25) of L shape, lower end and the fixed cover of adjusting screw(rod) (23) form screw-threaded coupling and coordinate.
10. subsoiling land preparation combine according to claim 9, it is characterized in that: the upper end of described fixing square tube (22) is provided with pressure axis bearing (26), adjusting screw(rod) (23) break-through pressure axis bearing (26) and fixed cover form screw-threaded coupling and coordinate, wheel shaft (24) is provided with bearing block (27), gauge wheel (2) and bearing block (27) are formed and are rotatably assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495171.6U CN204836965U (en) | 2015-07-08 | 2015-07-08 | Dark pine soil preparation combined operation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495171.6U CN204836965U (en) | 2015-07-08 | 2015-07-08 | Dark pine soil preparation combined operation machine |
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| Publication Number | Publication Date |
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| CN204836965U true CN204836965U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520495171.6U Active CN204836965U (en) | 2015-07-08 | 2015-07-08 | Dark pine soil preparation combined operation machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376255A (en) * | 2016-10-18 | 2017-02-08 | 芜湖仓实农业装备制造有限公司 | Omnibearing subsoiler |
| CN108271594A (en) * | 2018-03-26 | 2018-07-13 | 南京林业大学 | A kind of bamboo grove rice chaff collection method and its modularization collection device |
| CN108391476A (en) * | 2018-05-08 | 2018-08-14 | 武汉衡固光电科技有限公司 | Scraping panel assembly and seeder for site preparation roller |
| CN110366883A (en) * | 2019-08-15 | 2019-10-25 | 华中农业大学 | The combine plowing machine of nonirrigated farmland stalk plough rotation returning to the field |
| CN115316054A (en) * | 2022-08-15 | 2022-11-11 | 宁夏大学新华学院 | Vineyard intertillage method and equipment |
-
2015
- 2015-07-08 CN CN201520495171.6U patent/CN204836965U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376255A (en) * | 2016-10-18 | 2017-02-08 | 芜湖仓实农业装备制造有限公司 | Omnibearing subsoiler |
| CN108271594A (en) * | 2018-03-26 | 2018-07-13 | 南京林业大学 | A kind of bamboo grove rice chaff collection method and its modularization collection device |
| CN108391476A (en) * | 2018-05-08 | 2018-08-14 | 武汉衡固光电科技有限公司 | Scraping panel assembly and seeder for site preparation roller |
| CN108391476B (en) * | 2018-05-08 | 2024-03-15 | 郴州市铿锵农业科技有限公司 | Soil scraping plate device for soil preparation roller and seeder |
| CN110366883A (en) * | 2019-08-15 | 2019-10-25 | 华中农业大学 | The combine plowing machine of nonirrigated farmland stalk plough rotation returning to the field |
| CN115316054A (en) * | 2022-08-15 | 2022-11-11 | 宁夏大学新华学院 | Vineyard intertillage method and equipment |
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