CN104604365A - Hydraulic self-induced vibration subsoiler - Google Patents
Hydraulic self-induced vibration subsoiler Download PDFInfo
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- CN104604365A CN104604365A CN201510058520.2A CN201510058520A CN104604365A CN 104604365 A CN104604365 A CN 104604365A CN 201510058520 A CN201510058520 A CN 201510058520A CN 104604365 A CN104604365 A CN 104604365A
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Abstract
The invention relates to a hydraulic self-induced vibration subsoiler. The hydraulic self-induced vibration subsoiler is characterized by comprising a machine frame and a subsoiling device, wherein the subsoiling device is arranged at the bottom of the machine frame, the machine frame is composed of suspension pair plates, a front beam, a rear beam, an inclined traction rod, a cross beam, a cross traction rod, U-shaped groove fixing pieces and V-shaped locking pieces, and the subsoiling device is composed of shovel points, shovel wings and shovel handles. According to the hydraulic self-induced vibration subsoiler, the stretch and retraction amount of vibration springs is controlled and adjusted through hydraulic oil, the embedded depths of all subsoiling shovels are effectively adjusted, in this way, the tilling depth consistency is guaranteed during subsoiling, and the overall vibration which causes discomfort of a driver of a tractor and the like and is generated due to inconsistency of shake of mechanisms of the subsoiler is reduced; compared with a non-vibration subsoiler and a one-way vibration subsoiler under the same condition, during work, the traction resistance is remarkably reduced; to sum up, the hydraulic self-induced vibration subsoiler can reduce resistance and save energy and is good in operation effect and high in adaptability.
Description
Technical field
The present invention relates to a kind of fluid power self-excited vibration subsoiler.
Background technology
Soil subsoiling refers to and uses subsoiler to ravel below plow layer the tillage pan soil of 5 to 15 centimetres, and add the thickness of chiselling layer, subsoiling is as an important technology of soil cultivation, at home and abroad more and more come into one's own, the ploughing long-term due to soil or stubble-cleaning operation, soil tillage pan floats, plow layer shoals, last water and soil loss aggravation, soil are degenerated gradually, soil is more degenerated, the income of peasant is lower, and production efficiency is also lower, thus the problem of soil subsoiling just become current peasant planting income improve want problem anxious to be resolved.
Soil subsoiling technology one is: can break soil compaction, and then deepens plow layer, and soil subsoiling can break the hard tillage pan of ploughing for many years or stubble-cleaning formation, increases plow layer thickness, for crops normal growth creates good soil condition.Break tillage pan and can improve soil permeability, and then improve the hot coordination ability of liquid manure gas of soil, level of increasing soil fertility and buffer capacity, increase field capacity.
Two are: soil subsoiling technology can change soil physicochemistry character.Improve that soil is solid-state, three the comparing of gaseous state, liquid, strengthen beneficial microbe movable, accelerate organic matter mineralization and slacking, change soil structure. strengthen adsorption by soil ability, change soil physicochemistry character, improve chemical fertilizer utilization ratio.
Three are: soil subsoiling technology can improve the lodging tolerance of crop.It is firm that tillage pan thickens laminated structure soil layer, the root system of crop vertical distribution is caused to reduce, the root system of horizontal distribution increases, Subsoiler is broken tillage pan, is formed rat hole, add the water penetration of topsoil depth and soil, intercepted upper and lower water loss, drought resisting lets out flood, retains and conserve soil moisture, be beneficial to crop root deeply to prick, finally realize resistant to lodging.
Four are: soil subsoiling technology can greatly improve soil water storage soil moisture conservation.After machinery subsoiling, soil can more receiving rainwater, sets up good " Soil Reservoir " thus reduces rainwash, avoiding water and soil loss, and the more important thing is can the rainwater storage in season in autumn in summer two in soil, to play the effect of retaining and conserveing soil moisture.
At present, existing soil deep-loosening machine Problems existing is: the tractive resistance of soil deep-loosening machine strengthens along with the increasing of the soil subsoiling degree of depth, especially at present in four lines subsoiling needs, powerful tractor could realize, which increase subsoiling cost and oil consumption, again because big-power tractor volume is large, bring difficulty to headland turn.Low and the tractor of current soil deep-loosening machine production efficiency repeatedly enters ground will compacting soil, Viberation deep coosener vibrating mechanism is cantilever design, cause the length of axle large, cantilever other end bearing pressure is also large, again because the vibration of Viberation deep coosener causes tractor to vibrate, easily make operator on the tractor's health produce uncomfortable, subsoiling line number and the subsoiling interval of current existing Viberation deep coosener not easily regulate, and tilth uniformity is poor.
Summary of the invention
The object of the invention is for above problem, provide a kind of and imitate the tractive resistance reduced suffered by Viberation deep coosener, reduce subsoiling energy consumption, ensure that tilth is consistent, and reach effect of well loosening the soil, be convenient to the fluid power self-excited vibration subsoiler of disassembling, assembling and replacing parts.
The object of the invention is to be achieved through the following technical solutions:
Its feature of the present invention is: comprise frame and subsoiling device, under described subsoiling device is located at frame, described frame is by hanging subplate, front-axle beam, the back rest, diagonal draw bar, crossbeam, horizontal draw bar, " U " shape groove fixture and " V " shape locking member are formed, described suspension subplate is connected with crossbeam, the upper end of described diagonal draw bar is connected to inside horizontal draw bar upper end, horizontal draw bar lower end is connected to and hangs inside subplate, the lower end of diagonal draw bar is connected to the inner side of crossbeam, in the groove of crossbeam is connected to " U " shape groove fixture, " U " type groove fixture and " V " shape locking member are embraced front-axle beam with the back rest and are connected, described subsoiling device is made up of spear, the shovel wing and spade, the described shovel wing is located at both sides under spade, is provided with spear, is provided with vibrating device between described frame and spade before the shovel wing, and connected by vibrating device, described crossbeam both sides are provided with depth control apparatus.
Above-mentioned vibrating device is made up of vertical vibrating device and horizontal vibration device, described vertical vibrating device is by vertical vibrating spring chassis, vertical vibrating spring, vertical pretension head, vertical hydraulic cylinder and vertical piston rod are formed, vertical piston rod and vertically piston are located in vertical hydraulic cylinder, vertical hydraulic cylinder is located in vertical vibrating spring, the first end of vertical pretension and vertical vibrating spring contact, and be connected with the external screw thread on the casing wall of vertical hydraulic cylinder by vertical pretension head internal thread, the vertical pretension head of vertical vibrating device is connected with connecting plate lower end, its vertical vibrating spring chassis is connected with the spade of subsoiling device, described horizontal vibration device is made up of horizontal pretension head, horizontal vibration spring, horizontal vibration spring chassis, horizontal hydraulic cylinder and horizontal piston bar, horizontal piston bar and horizontal piston are located in horizontal hydraulic cylinder, horizontal hydraulic cylinder is located in horizontal vibration spring, the first end of horizontal pretension and horizontal vibration spring contact, and be connected with the external screw thread on the casing wall of horizontal hydraulic cylinder by horizontal pretension head internal thread, horizontal pretension head is connected with fixing, and horizontal vibration spring chassis is connected with connecting plate upper end.
Above-mentioned depth control apparatus is made up of gauge wheel support, latch segment, depth stop adjusting rod and gauge wheel, depth stop adjusting rod is vertically connected on latch segment by screw thread, latch segment is connected to the outside of the gauge wheel support of the frame left and right sides, and gauge wheel is connected to the lower end of depth stop adjusting rod.
The present invention adopts hydraulic oil to control to adjust the stroke of vibrating spring, effectively have adjusted the embedded depth of all vibrating subsoiling shovels, thus tilling depth consistent when guaranteeing subsoiling, in addition, vibrating spring stroke is converted into the movement of piston rod in hydraulic cylinder, makes vibrating subsoiling structure more simply compact; Frame front beam of the present invention and the back rest can move, and deep soil loosing shovel position and number can adjust, and the shovel wing, spear can disassembled for transport, and vibrating spring can disassembling, assembling and replacing, make the machine be convenient to install, transport and maintenance; Owing to adopting hydraulic oil to control in vibrating subsoiling device, both by controlling vibrating subsoiling device, and then tilling depth uniformity can be ensured; On the other hand, also reduce due to the inconsistent body vibration causing machine of mechanism's vibrations, this vibration problem such as operator on the tractor can be caused uncomfortable; The present invention adopts vertical vibrating device and horizontal vibration device, subsoiler is made all to produce vibrating drag reduction effect at direct of travel and the vertical direction of advancing, during relative to equal conditions non-vibration subsoiler and the work of one direction Viberation deep coosener, tractive resistance obviously reduces, thus can medium-sized tractor be used, just can complete the soil subsoiling operation that general large sized tractor just can complete, the subsoiling degree of depth of soil, subsoiling between-line spacing and subsoiling line number are all easy to regulate, in a word, the present invention can drag reduction, again can be energy-conservation, operation effectiveness is good, strong adaptability.
The work characteristics of vibrating subsoiling device:
One, by the hydraulic pressure oil mass in resistance suffered by the subsoiling device of hydraulic vibrating subsoiler and hydraulic cylinder, the stroke of co-controlling vibrating spring.By the hydraulic pressure oil mass in adjustment hydraulic cylinder, make all vertical vibrating telescopic spring amounts in vertical vibrating device equal, in horizontal vibration device, all horizontal vibration telescopic spring amounts are equal, thus the embedded depth of adjustment deep soil loosing shovel, thus when guaranteeing subsoiling, tilling depth is consistent; On the other hand, the hydraulic coupling produced by hydraulic control oil, adjustment vibrating spring amplitude, can reduce resistance suffered by deep soil loosing shovel, thus reduce the tractive resistance of hydraulic vibrating subsoiler.
Two, the stroke of vibrating spring changes piston rod moving back and forth in hydraulic cylinder into, makes vibrating device structure more simply compact.
Three, initial compression amount and the pretightning force of vibrating spring is adjusted by the external screw thread connecting length adjusted on the casing wall of pretension head internal thread and hydraulic cylinder, thus vibrating spring degree of tightness before work is consistent in guarantee vibrating device, jointly to play a role in the subsoiling stage, ensure that the deep loose plough degree of depth is consistent.
Four, in vibrating device, each parts are convenient to dismounting, wherein the disassembling, assembling and replacing of most importantly vibrating spring.On the one hand, the vibrating spring of replaceable different coefficient of elasticity thus vibration amplitude when changing the work of hydraulic vibrating subsoiler and vibration frequency, thus change the resistance suffered by vibrating subsoiling shovel, thus change the tractive resistance of hydraulic vibrating subsoiler; On the other hand, vibrating spring, as principal vibration element, once damage, easily causes the inconsistent situation of vibration stroke, thus affects subsoiling tilling depth.Structure of the present invention is convenient to vibrating spring and is changed in time.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the zoomed-in view of Fig. 1 mid frame;
Fig. 4 is the horizontal vibration device enlarged diagram in Fig. 2;
Fig. 5 is the cutaway view of Fig. 4;
Fig. 6 is the vertical vibrating device enlarged diagram in Fig. 2;
Fig. 7 is the cutaway view of Fig. 6;
Fig. 8 is the subsoiling device enlarged diagram in Fig. 1;
Fig. 9 is the planar structure schematic diagram removing spring of Fig. 8;
Figure 10 is the spade structure enlarged side view of Fig. 9;
Figure 11 is that the A-A of Figure 10 is to cutaway view;
Figure 12 is the spade superstructure enlarged diagram in Figure 10.
In diagram: 1 is spear, 2 is the shovel wing, and 3 is spade, and 4 is vertical vibrating device, and 5 is connecting plate, and 6 is horizontal vibration device, and 7 is fixing, and 8 is frame, and 9 is depth control apparatus; 41 is vertical vibrating spring chassis, and 42 is vertical vibrating spring, and 43 is vertical pretension head, and 44 is vertical hydraulic cylinder, and 45 is vertical piston rod; 61 is horizontal pretension head, and 62 is horizontal vibration spring, and 63 is horizontal vibration spring chassis, and 64 is horizontal hydraulic cylinder, and 65 is horizontal piston bar; 81 for hanging subplate, and 82 is front-axle beam, and 83 is the back rest, and 84 is diagonal draw bar, and 85 is crossbeam, and 86 is horizontal draw bar, and 87 is " U " shape groove fixture, and 88 is " V " shape locking member.
Embodiment
Embodiment 1: with reference to accompanying drawing 1 ~ 12, the present invention includes frame 8 and subsoiling device, described subsoiling device is located at frame 8 times, described frame 8 is by suspension subplate 81, front-axle beam 82, the back rest 83, diagonal draw bar 84, crossbeam 85, horizontal draw bar 86, " U " shape groove fixture 87 and " V " shape locking member 88 are formed, described suspension subplate 81 is connected with crossbeam 85, the upper end of described diagonal draw bar 84 is connected to inside horizontal draw bar 86 upper end, horizontal draw bar 86 lower end is connected to and hangs inside subplate 81, the lower end of diagonal draw bar 84 is connected to the inner side of crossbeam 85, crossbeam 85 is connected in the groove of " U " shape groove fixture 87, " U " type groove fixture 87 and " V " shape locking member 88 embrace front-axle beam 82 and the back rest 83 bolted, by the fastening bolt of dismounting " U " shape groove fixture 87 with " V " type locking member 88, front-axle beam 82 and the back rest 83 can be adjusted in the position perpendicular to frame 8 direct of travel, the position of subsoiling device on front-axle beam 82 and the back rest 83 simultaneously, number also can change, therefore Viberation deep coosener can adapt to different farming width, farming line space and farming area.As the status of implementation that the present embodiment is seven row, front-axle beam 82 and the back rest 83 can be interspersed, and before subsoiling device, four rear three are interspersed, and can increase farming area, reduce farming line space, and can carry out rapid adjustment according to Different Crop line space, described subsoiling device is made up of spear 1, the shovel wing 2 and spade 3, the described shovel wing 2 is located at spade 3 times both sides, is provided with spear 1, is provided with vibrating device between described frame 8 and spade 3 before the shovel wing 2, and connected by vibrating device, described crossbeam 85 both sides are provided with depth control apparatus 9, described vibrating device is made up of vertical vibrating device 4 and horizontal vibration device 6, described vertical vibrating device 4 is by vertical vibrating spring chassis 41, vertical vibrating spring 42, vertical pretension head 43, vertical hydraulic cylinder 44 and vertical piston rod 45 are formed, vertical piston rod 45 and vertically piston are located in vertical hydraulic cylinder 44, vertical hydraulic cylinder 44 is located in vertical vibrating spring 42, vertical pretension head 43 one end contacts with vertical vibrating spring 42, and be connected with the external screw thread on the casing wall of vertical hydraulic cylinder 44 by vertical pretension head 43 internal thread, the vertical pretension head 43 of vertical vibrating device 4 is connected with connecting plate 5 lower end, its uprighting spring chassis 41 is connected with the spade 3 of subsoiling device, described horizontal vibration device 6 is by horizontal pretension head 61, horizontal vibration spring 62, horizontal vibration spring chassis 63, horizontal hydraulic cylinder 64 and horizontal piston bar 65 are formed, horizontal piston bar 65 and horizontal piston are located in horizontal hydraulic cylinder 64, horizontal hydraulic cylinder 64 is located in horizontal vibration spring 62, horizontal pretension head 61 one end contacts with horizontal vibration spring 62, and be connected with the external screw thread on the casing wall of horizontal hydraulic cylinder 64 by horizontal pretension head 61 internal thread, horizontal pretension head 61 is connected with fixing 7, horizontal vibration spring chassis 63 is connected with connecting plate 5 upper end, initial compression amount and the pretightning force of horizontal vibration spring 62 is adjusted by the external screw thread connecting length on adjustment casing wall, when hydraulic vibrating subsoiler is subject to resistance in facility direction of advance, horizontal vibration spring 62 in horizontal vibration device 6 stretches, horizontal vibration spring 62 flexible make the rear end of connecting plate 5 at " U " shape groove fixture 87 open in vibration adjustment tank and move back and forth.Described depth control apparatus 9 is made up of gauge wheel support, latch segment, depth stop adjusting rod and gauge wheel, depth stop adjusting rod is vertically connected on latch segment by screw thread, latch segment is connected to the outside of the gauge wheel support of the frame left and right sides, and gauge wheel is connected to the lower end of depth stop adjusting rod.
Embodiment 2: be with the difference of embodiment 1: the front-axle beam 82 of frame 8 aligns with the back rest 83 and arranges, after deep soil loosing shovel adopts front four, four are symmetrical arranged, and this arranges the soil subsoiling being applicable to subsoiling and crop growth period between strain; In addition, front-axle beam 82 can arrange subsoiling device, and the back rest 83 can pull down subsoiling device, installs rotary blade, realizes integration of operation.
Claims (3)
1. a fluid power self-excited vibration subsoiler, it is characterized in that: comprise frame and subsoiling device, under described subsoiling device is located at frame, described frame is by hanging subplate, front-axle beam, the back rest, diagonal draw bar, crossbeam, horizontal draw bar, " U " shape groove fixture and " V " shape locking member are formed, described suspension subplate is connected with crossbeam, the upper end of described diagonal draw bar is connected to inside horizontal draw bar upper end, horizontal draw bar lower end is connected to and hangs inside subplate, the lower end of diagonal draw bar is connected to the inner side of crossbeam, in the groove of crossbeam is connected to " U " shape groove fixture, " U " type groove fixture and " V " shape locking member are embraced front-axle beam with the back rest and are connected, described subsoiling device is made up of spear, the shovel wing and spade, the described shovel wing is located at both sides under spade, is provided with spear, is provided with vibrating device between described frame and spade before the shovel wing, and connected by vibrating device, described crossbeam both sides are provided with depth control apparatus.
2. a kind of fluid power self-excited vibration subsoiler according to claim 1, it is characterized in that: described vibrating device is made up of vertical vibrating device and horizontal vibration device, described vertical vibrating device is by vertical vibrating spring chassis, vertical vibrating spring, vertical pretension head, vertical hydraulic cylinder and vertical piston rod are formed, vertical piston rod and vertically piston are located in vertical hydraulic cylinder, vertical hydraulic cylinder is located in vertical vibrating spring, the first end of vertical pretension and vertical vibrating spring contact, and be connected with the external screw thread on the casing wall of vertical hydraulic cylinder by vertical pretension head internal thread, the vertical pretension head of vertical vibrating device is connected with connecting plate lower end, its vertical vibrating spring chassis is connected with the spade of subsoiling device, described horizontal vibration device is made up of horizontal pretension head, horizontal vibration spring, horizontal vibration spring chassis, horizontal hydraulic cylinder and horizontal piston bar, horizontal piston bar and horizontal piston are located in horizontal hydraulic cylinder, horizontal hydraulic cylinder is located in horizontal vibration spring, the first end of horizontal pretension and horizontal vibration spring contact, and be connected with the external screw thread on the casing wall of horizontal hydraulic cylinder by horizontal pretension head internal thread, horizontal pretension head is connected with fixing, and horizontal vibration spring chassis is connected with connecting plate upper end.
3. a kind of fluid power self-excited vibration subsoiler according to claim 1, it is characterized in that: described depth control apparatus is made up of gauge wheel support, latch segment, depth stop adjusting rod and gauge wheel, depth stop adjusting rod is vertically connected on latch segment by screw thread, latch segment is connected to the outside of the gauge wheel support of the frame left and right sides, and gauge wheel is connected to the lower end of depth stop adjusting rod.
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| CN105432168A (en) * | 2015-12-17 | 2016-03-30 | 石河子大学 | Pneumatic deep loosening and fertilizer applying machine |
| CN106358448A (en) * | 2016-08-27 | 2017-02-01 | 石河子大学 | Self-excitation hydraulic vibration subsoiler |
| CN106612632A (en) * | 2016-10-21 | 2017-05-10 | 华中农业大学 | Single-beam double-loaded self-excited vibration subsoiling device |
| CN106612633A (en) * | 2017-01-10 | 2017-05-10 | 河北农业大学 | Laser measuring and control subsoiler capable of keeping deep scarification ditch bottom layer level |
| CN106856678A (en) * | 2016-12-27 | 2017-06-20 | 青岛恒新辉瑞工业技术有限公司 | A kind of soil remediation loosening device of high degree of automation |
| CN106993413A (en) * | 2017-05-16 | 2017-08-01 | 石河子大学 | A kind of pneumatic and self-excited vibration subsoiling fertilizer applicator |
| CN107231829A (en) * | 2017-06-30 | 2017-10-10 | 黄忠超 | A kind of reciprocal shovel type cultivator |
| CN107371396A (en) * | 2016-05-16 | 2017-11-24 | 石河子大学 | A kind of bent-axis hydraulic Viberation deep coosener |
| CN107466574A (en) * | 2017-10-11 | 2017-12-15 | 吉林大学 | The micro- formula potato excavating gear that shakes of the two-sided adaptive dual spring of electric osmose |
| CN108353540A (en) * | 2018-02-08 | 2018-08-03 | 西南大学 | A kind of small-sized subsoiler self-excited vibration device |
| CN108811558A (en) * | 2018-08-21 | 2018-11-16 | 内蒙古农业大学职业技术学院 | A kind of new type auto subsoiling underground drip irrigation pipelayer |
| CN108990440A (en) * | 2018-10-13 | 2018-12-14 | 河北农业大学 | A kind of subsoiling rotary tillage hack combined soil preparing machine |
| CN109348751A (en) * | 2018-12-08 | 2019-02-19 | 广西壮族自治区农业科学院经济作物研究所 | Rice field bottom powdery ridge hack farming and ecological cultivation method |
| CN109463071A (en) * | 2019-01-07 | 2019-03-15 | 吉林大学 | A kind of oscillatory type bionic furrow opener |
| CN109716889A (en) * | 2019-01-16 | 2019-05-07 | 华中农业大学 | Plough the grass-winding proof device of complete machine |
| CN110644547A (en) * | 2019-05-13 | 2020-01-03 | 裘世波 | Soil loosening device of trailing suction boat |
| CN115250650A (en) * | 2022-09-05 | 2022-11-01 | 吉林大学 | Double-wing type subsoiling mechanism with bionic rigid-flexible coupling self-excited vibration |
| CN117813947A (en) * | 2024-03-05 | 2024-04-05 | 中国农业科学院草原研究所 | Grassland shrub planting and scarifying device and using method thereof |
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| CN105432168A (en) * | 2015-12-17 | 2016-03-30 | 石河子大学 | Pneumatic deep loosening and fertilizer applying machine |
| CN107371396A (en) * | 2016-05-16 | 2017-11-24 | 石河子大学 | A kind of bent-axis hydraulic Viberation deep coosener |
| CN106358448A (en) * | 2016-08-27 | 2017-02-01 | 石河子大学 | Self-excitation hydraulic vibration subsoiler |
| CN106612632A (en) * | 2016-10-21 | 2017-05-10 | 华中农业大学 | Single-beam double-loaded self-excited vibration subsoiling device |
| CN106856678A (en) * | 2016-12-27 | 2017-06-20 | 青岛恒新辉瑞工业技术有限公司 | A kind of soil remediation loosening device of high degree of automation |
| CN106612633A (en) * | 2017-01-10 | 2017-05-10 | 河北农业大学 | Laser measuring and control subsoiler capable of keeping deep scarification ditch bottom layer level |
| CN106993413A (en) * | 2017-05-16 | 2017-08-01 | 石河子大学 | A kind of pneumatic and self-excited vibration subsoiling fertilizer applicator |
| CN107231829A (en) * | 2017-06-30 | 2017-10-10 | 黄忠超 | A kind of reciprocal shovel type cultivator |
| CN107231829B (en) * | 2017-06-30 | 2019-10-18 | 王良仁 | A kind of reciprocal shovel type cultivator |
| CN107466574A (en) * | 2017-10-11 | 2017-12-15 | 吉林大学 | The micro- formula potato excavating gear that shakes of the two-sided adaptive dual spring of electric osmose |
| CN108353540A (en) * | 2018-02-08 | 2018-08-03 | 西南大学 | A kind of small-sized subsoiler self-excited vibration device |
| CN108811558A (en) * | 2018-08-21 | 2018-11-16 | 内蒙古农业大学职业技术学院 | A kind of new type auto subsoiling underground drip irrigation pipelayer |
| CN108811558B (en) * | 2018-08-21 | 2023-11-03 | 内蒙古农业大学职业技术学院 | Novel automatic deep scarification underground drip irrigation pipe laying machine |
| CN108990440A (en) * | 2018-10-13 | 2018-12-14 | 河北农业大学 | A kind of subsoiling rotary tillage hack combined soil preparing machine |
| CN109348751A (en) * | 2018-12-08 | 2019-02-19 | 广西壮族自治区农业科学院经济作物研究所 | Rice field bottom powdery ridge hack farming and ecological cultivation method |
| CN109348751B (en) * | 2018-12-08 | 2022-01-14 | 广西壮族自治区农业科学院经济作物研究所 | Ridge-crushing soil-crushing farming and ecological cultivation method for bottom layer of rice field |
| CN109463071A (en) * | 2019-01-07 | 2019-03-15 | 吉林大学 | A kind of oscillatory type bionic furrow opener |
| CN109716889A (en) * | 2019-01-16 | 2019-05-07 | 华中农业大学 | Plough the grass-winding proof device of complete machine |
| CN109716889B (en) * | 2019-01-16 | 2024-05-24 | 华中农业大学 | Grass winding preventing device of tillage machine |
| CN110644547A (en) * | 2019-05-13 | 2020-01-03 | 裘世波 | Soil loosening device of trailing suction boat |
| CN115250650A (en) * | 2022-09-05 | 2022-11-01 | 吉林大学 | Double-wing type subsoiling mechanism with bionic rigid-flexible coupling self-excited vibration |
| CN115250650B (en) * | 2022-09-05 | 2024-03-22 | 吉林大学 | Double-wing deep scarification mechanism capable of simulating rigid-flexible coupling self-excited vibration |
| CN117813947A (en) * | 2024-03-05 | 2024-04-05 | 中国农业科学院草原研究所 | Grassland shrub planting and scarifying device and using method thereof |
| CN117813947B (en) * | 2024-03-05 | 2024-05-07 | 中国农业科学院草原研究所 | Grassland shrub planting and scarifying device and using method thereof |
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