CN104663064A - Anti-blocking method and anti-blocking device applied to field operation equipment - Google Patents
Anti-blocking method and anti-blocking device applied to field operation equipment Download PDFInfo
- Publication number
- CN104663064A CN104663064A CN201510073079.5A CN201510073079A CN104663064A CN 104663064 A CN104663064 A CN 104663064A CN 201510073079 A CN201510073079 A CN 201510073079A CN 104663064 A CN104663064 A CN 104663064A
- Authority
- CN
- China
- Prior art keywords
- straw
- sliding
- seesaw
- pressure
- sliding seesaw
- 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.)
- Granted
Links
Abstract
The invention relates to field operation equipment, and belongs to the field of agricultural machines. An anti-blocking method applied to the field operation equipment is characterized in that the anti-blocking method is applied to the equipment performing operation in a field with straws and weeds on the ground; a sliding warp for completely separating easy-to-block parts from the ground is arranged below the easy-to-block parts of the equipment; straw pressing wheels are arranged right in front of the sliding warp; the crop straws and the weeds are pressed down by the straw pressing wheels, and the rear following sliding warp is matched with the front straw pressing wheels to continue to press the crop straws and the weeds pressed down by the straw pressing wheels; the pressed down crop straws and the weeds cannot contact the easy-to-block parts below the equipment, so blocking is prevented; the sliding warp is arranged below the easy-to-block parts at two sides of the equipment, and the straw pressing wheels are arranged in front of the sliding warp. According to the anti-blocking method disclosed by the invention, by combining the sliding warp with the straw pressing wheels, the straws and the weeds cannot contact the easy-to-block parts below the equipment, and the equipment blocking problem is thoroughly solved.
Description
Technical field
The present invention relates to farm work equipment, particularly relate to a kind of anti-blocking stagnant method and the device that are applied to farm work equipment.
Background technology
A large amount of stalks that after harvesting wheat, field exists, very easily cause traditional no-tillage seeding machine to shovel with the extension grass of fertile shovel, stop up and block up, complete machine cannot normally work, and namely allows to sowing, also easily causes the consequence such as frame kind, disconnected seedling.In addition, lower stubble peanut after winter wheat results, soybean or seeding corn and other crops, require that more planting early enough is better, if adopt labor cleaning's stalk, waste time and energy, may will cause peanut, soybean or corn seeding not in time, affect output, plough deeply after therefore generally adopting crushed stalk now, then the technical measures sowed after rotary tillage, solve field from which wheat has been reaped sowing problem, proposed a kind ofly to integrate broken straw, clearly straw, fertilising before this institute, and sowed, cover the multi-functional set structure such as straw.
But, no matter present rotovator, straw chopping harvester, still broken straw are collected, clear straw, fertilising, sowing, cover the multi-functional set structures be integrated such as straw, a serious problem is all found that there is: be exactly stalk on the ground when farm work, weeds are easy to stifled stagnant bottom belt wheel guard shield, position to the assembly of landing ground stalk before waiting bottom volute of blower, existing anti-blocking technology mostly is solution and buries parts (seed opener, applicator boot etc.) hang grass and stop up stifled and exploitation, from power presentation mode angle, existing technology can be divided into the anti-blocking stagnant technology of powder actuated and the large class of the anti-blocking stagnant technology two of passive type, the anti-blocking stagnant technical work principle of powder actuated is that tractor motive power output shaft provides power, drive anti-blocking stagnant device rotating shaft, and drive the anti-blocking parts of breaking to bury breaking, mainly contain rotary tillage blade, pulverize blade and power disc type etc., the anti-blocking stagnant technology of passive type mainly relies on self gravitation cut stubble and bury, mainly contain disc type, sliding stick up formula, but above-mentioned anti-blocking technology all can not be applicable to above-mentioned rotovator, straw chopping harvester, no-tillage seeding machine etc. completely belt wheel guard shield bottom, position ground stalk, weeds are hung grass and stop up stifled problem bottom volute of blower etc.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-blocking stagnant method and the device that are applied to farm work equipment, solve and plough deeply for by after crushed stalk now, then the assembly in the face of ground stalk of the farm work equipment sowed after rotary tillage is hung grass as the position stalk such as bottom belt wheel guard shield, bottom volute of blower, weeds and stopped up and block up the insurmountable defect of problem.
Technical scheme
A kind of anti-blocking stagnant method being applied to farm work equipment, it is characterized in that: be applied to and have the field of stalk or weeds to carry out on the equipment of operation on ground, arrange completely by sliding seesaw that position and ground cut off in the below at the easy stifled stagnant position of equipment, pressure straw wheel is installed before sliding seesaw dead ahead is arranged on described equipment, pressure straw wheel overwhelms crops straw and weeds, the sliding seesaw that back is closelyed follow is taken turns with the pressure straw in front and is coordinated, take advantage of a situation and pressure straw are taken turns the crops straw that overwhelms and weeds continue to push down, crops straw after overwhelming and weeds cannot touch parts easily stifled stagnant below equipment, prevent stifled stagnant, described sliding seesaw is arranged on below the easily stifled stagnant position of equipment both sides, pressure straw wheel is arranged on sliding seesaw front.
Angle between described sliding seesaw and ground can regulate.
A kind of anti-blocking stagnant device applying the sliding Combined type farm implement of pressure of above-mentioned anti-blocking stagnant method, it is characterized in that: equipment comprises the clear straw machine of broken straw, described broken straw clear straw machine is set to horizontal wide cut box-type, be provided with in casing and horizontally rotate cutter shaft, the broken straw cutter of radial arrangement many on cutter shaft, many broken straw cuttves are arranged on cutter shaft with helical manner, a horizontal screw feeder at the rear of broken straw cutter, the output configuration blower fan of horizontal screw feeder, described blower fan is positioned at the side of casing, deliver to backward by the road above ferti-seeding all-in-one, the port of export of pipeline configures the stalk with adjustable straw deflector and throws mouth, the opposite side of casing is driving pulley, sliding seesaw is from front to back provided with in the below of described casing both sides, described blower fan and belt wheel and ground cut off by described sliding seesaw completely, the left and right sides in casing front, before sliding seesaw, pressure straw wheel is installed, angle between described sliding seesaw and ground is 5 ~ 45 degree.
The width of described pressure straw wheel is slightly narrower than sliding seesaw, and sliding seesaw is straight strip.
The width of described pressure straw wheel is slightly narrower than sliding seesaw, and sliding seesaw front end outer side is set to the rounding with certain radian, and adds protective plate up.
The rear and front end of described sliding seesaw is fixed on the side plate of casing, sliding seesaw rear end is provided with fixed via, be fixed in the screw of box side with connecting bolt through fixed via, sliding seesaw front end can be rotated around the connecting bolt of rear end, regulate the angle between sliding seesaw and ground, on the side plate of the casing that sliding seesaw front end is corresponding, fixing hole is provided with multiple, is positioned on the stroke circular arc that rotates up and down sliding seesaw front end.
The side plate of described casing is provided with from top to bottom the multiple screw of row, the rear end of described sliding seesaw connects with connecting bolt with one of them screw.
Also be provided with triangular plate above described sliding seesaw, described triangular plate is fixed on above sliding seesaw, while be fixed on the side plate of casing.
Reinforcement before and after being also provided with above described sliding seesaw.
Described pressure straw wheel adopts broadside wheel, and width is more than or equal to 60mm, and diameter is more than or equal to 350mm.
Beneficial effect
The anti-blocking stagnant method and apparatus that the present invention is applied to farm work equipment adopts in the clear belt wheel of straw part of the broken straw of present no-tillage seeding machine and the bottom of blower fan, by pressure straw wheel and the cooperation sliding seesaw, pressure straw wheel overwhelms crops straw and weeds, the take advantage of a situation crops straw of to be taken turns by pressure straw and overwhelming and weeds continue to push down the sliding seesaw in back, thus parts easily stifled stagnant below equipment cannot be touched, thorough solution equipment blocks up stagnant problem.
Accompanying drawing explanation
Fig. 1 is the left perspective schematic diagram of prior art of the present invention.
Fig. 2 is the perspective right schematic diagram of prior art of the present invention.
Fig. 3 is left perspective schematic diagram of the present invention.
Fig. 4 is perspective right schematic diagram of the present invention.
Fig. 5 is left side plan schematic diagram of the present invention.
Wherein: 1-cutter shaft, the horizontal screw feeder of 2-, 3-blower fan, 4-belt wheel, the sliding seesaw of 5-, 6-presses straw wheel, 7-triangular plate, 8-shape journey circular arc.
Embodiment
Below in conjunction with specific embodiments and the drawings, set forth the present invention further.
Accompanying drawing 1 and accompanying drawing 2 are the clear straw partial left side of broken straw of present no-tillage seeding machine and the schematic perspective view on right side, can see that left side and right side are respectively belt wheel and blower fan, are all in actual job, to be very easy to hang grass stop up stifled position.
The stifled problem of grass heap soil or fertilizer over and around the roots is hung in order to solve the above-mentioned position of no-tillage seeding machine, the present invention proposes a kind of anti-blocking stagnant method being applied to farm work equipment, be applied to no-tillage seeding machine, also can be applied to and have the field of stalk or weeds to carry out on the equipment of operation, as rotovator, straw chopping harvester etc. on ground.Pressure straw wheel is set before equipment, arrange completely by sliding seesaw that position and ground cut off in the below at the easy stifled stagnant position of equipment, pressure straw wheel is arranged on sliding seesaw dead ahead, the pressure straw wheel being arranged on front overwhelms crops straw and weeds, back is arranged on the sliding seesaw below equipment and takes turns with the pressure straw in front and coordinate, take advantage of a situation and pressure straw take turnss the crops straw that overwhelms and weeds continue to push down, the crops straw after overwhelming and weeds cannot touch below equipment and easily block up stagnant parts, prevent stifled stagnant.Angle between described sliding seesaw and ground can regulate, thus adapts to the field level of different humidity or flatness.
Accompanying drawing 3 and accompanying drawing 4 are exactly the anti-blocking stagnant device of application said method at the broken straw clear straw machine of present no-tillage seeding machine, described broken straw clear straw machine is set to horizontal wide cut box-type, be provided with in casing and horizontally rotate cutter shaft 1, the broken straw cutter of radial arrangement many on cutter shaft 1, many broken straw cuttves are arranged on cutter shaft 1 with helical manner, it is a horizontal screw feeder 2 at the rear of broken straw cutter, the output configuration blower fan 3 of horizontal screw feeder 2, deliver to backward by the road above ferti-seeding all-in-one, the port of export of pipeline configures the stalk with adjustable straw deflector and throws mouth, described blower fan 3 is positioned at the side of casing, the opposite side of casing is driving pulley 4, sliding seesaw 5 is from front to back provided with in the below of described casing both sides, described blower fan 3 and belt wheel 4 cut off with ground by described sliding seesaw completely, the left and right sides in casing front, before sliding seesaw 5, pressure straw wheel 6 is installed.
As accompanying drawing 5 is illustrated, the width of pressure straw wheel 6 is slightly narrower than sliding seesaw 5, the rear and front end of sliding seesaw 5 is fixed on the side plate of casing, sliding seesaw 5 rear end is provided with fixed via, be fixed in the screw of box side with connecting bolt through fixed via, sliding seesaw 5 front end can be rotated around the connecting bolt of rear end, regulate the angle between sliding seesaw 5 and ground, angle between sliding seesaw 5 and ground is 5 ~ 45 degree, on the side plate of the casing that sliding seesaw 5 front end is corresponding, fixing hole is provided with multiple, is positioned on the stroke circular arc 8 that rotates up and down sliding seesaw 5 front end.During installation, sliding seesaw 5 rear end is fixed, and front end can according to treating the sliding seesaw 5 of situation adjustment of field level of operation and the angle on ground.Slide seesaw 5 in order to fixing further, be also provided with triangular plate 7 above sliding seesaw 5, described triangular plate 7 is fixed on above sliding seesaw 5, while be fixed on the side plate of casing.The reinforcement that can also increase front and back above of sliding seesaw 5.
Pressure straw wheel 6 needs to adopt broadside wheel, and width can be more than or equal to 60mm.Broadside wheel is for the better effects if overwhelming stalk and weeds.The side plate of described casing is provided with from top to bottom the multiple screw of row, the rear end of described sliding seesaw connects with connecting bolt with one of them screw, thus regulates the height of sliding seesaw.
The present invention puts a pressure straw wheel in front, be provided with the sliding seesaw of band certain angle at pressure straw wheel rear, sliding seesaw plays parts and below stalk weeds partition effects such as top belt wheel guard shield, volute of blower; Dynamic pressure straw wheel is adopted to coordinate with quiet sliding seesaw, front pressure straw wheel can well overwhelm crops straw and weeds, the sliding seesaw of back is taken turns with pressure straw and is coordinated, take advantage of a situation and pressure straw are taken turns the crops straw that overwhelms and weeds continue to push down, crops straw after overwhelming and weeds etc. cannot touch the parts such as belt wheel guard shield, volute of blower, and nature cannot be hung grass and stop up stifled; Angle adjustable between sliding seesaw and ground, makes crops straw, weeds etc. smooth and easyly with less resistance streak; And unlike tradition use sliding seesaw, owing to not pressing straw to take turns, before very high, not only can not be applicable to stalk ground, and stalk can be shoved along, can not use on devices completely.Technology of the present invention also can expansive approach in the agricultural mechanical field such as rotovator, straw chopping harvester.
Anti-blocking stagnant method and apparatus of the present invention compared with prior art, advantage highly significant: (1) does not need power, the combination of dynamic pressure straw wheel and quiet sliding seesaw, the gravity of wheel self and the frictional force combination of cunning seesaw, energy-saving and environmental protecting; (2) after adopting pressure straw wheel and sliding seesaw to combine, the angle on sliding seesaw and ground does not need very large, the requirement of frictional force reduces, can make increase the service life of sliding seesaw, sliding seesaw can be made again to have certain stalk guide functions, cause greatly the stalk pressed through to be pressed in corresponding position, be conducive to operation below; (3) because blower fan and belt wheel are no longer by the puzzlement of hanging the stifled problem of grass heap soil or fertilizer over and around the roots, efficiency and the accuracy rate of no-tillage seeding machine increase greatly, protect blower fan and belt wheel, also can protect the dynamical system of whole equipment accordingly.
Claims (10)
1. one kind is applied to the anti-blocking stagnant method of farm work equipment, it is characterized in that: be applied to and have the field of stalk or weeds to carry out on the equipment of operation on ground, arrange completely by sliding seesaw that position and ground cut off in the below at the easy stifled stagnant position of equipment, pressure straw wheel is installed before sliding seesaw dead ahead is arranged on described equipment, pressure straw wheel overwhelms crops straw and weeds, the sliding seesaw that back is closelyed follow is taken turns with the pressure straw in front and is coordinated, take advantage of a situation and pressure straw are taken turns the crops straw that overwhelms and weeds continue to push down, crops straw after overwhelming and weeds cannot touch parts easily stifled stagnant below equipment, prevent stifled stagnant, described sliding seesaw is arranged on below the easily stifled stagnant position of equipment both sides, pressure straw wheel is arranged on sliding seesaw front.
2. be applied to the anti-blocking stagnant method of farm work equipment as claimed in claim 1, it is characterized in that: the angle between described sliding seesaw and ground can regulate.
3. the anti-blocking stagnant device of the sliding Combined type farm implement of the pressure of an application anti-blocking stagnant method as claimed in claim 1, it is characterized in that: equipment comprises the clear straw machine of broken straw, described broken straw clear straw machine is set to horizontal wide cut box-type, be provided with in casing and horizontally rotate cutter shaft (1), at the upper broken straw cutter of radial arrangement many of cutter shaft (1), many broken straw cuttves are arranged on cutter shaft (1) with helical manner, it is a horizontal screw feeder (2) at the rear of broken straw cutter, output configuration blower fan (3) of horizontal screw feeder (2), described blower fan (3) is positioned at the side of casing, deliver to backward by the road above ferti-seeding all-in-one, the port of export of pipeline configures the stalk with adjustable straw deflector and throws mouth, the opposite side of casing is driving pulley (4), sliding seesaw (5) is from front to back provided with in the below of described casing both sides, described blower fan (3) and belt wheel (4) cut off with ground by described sliding seesaw (5) completely, the left and right sides in casing front, before sliding seesaw (5), pressure straw wheel (6) is installed, angle between described sliding seesaw (5) and ground is 5 ~ 45 degree.
4. the anti-blocking stagnant device of the sliding Combined type farm implement of pressure as claimed in claim 3, it is characterized in that: the width of described pressure straw wheel (6) is slightly narrower than sliding seesaw (5), sliding seesaw (5) is straight strip.
5. the anti-blocking stagnant device of the sliding Combined type farm implement of pressure as claimed in claim 3, it is characterized in that: the width of described pressure straw wheel (6) is slightly narrower than sliding seesaw (5), sliding seesaw (5) front end outer side is set to the rounding with certain radian, and adds protective plate up.
6. the anti-blocking stagnant device of the sliding Combined type farm implement of the pressure as described in claim 4 or 5, it is characterized in that: the rear and front end of described sliding seesaw (5) is fixed on the side plate of casing, sliding seesaw (5) rear end is provided with fixed via, be fixed in the screw of box side with connecting bolt through fixed via, sliding seesaw (5) front end can be rotated around the connecting bolt of rear end, regulate the angle between sliding seesaw (5) and ground, on the side plate of the casing that sliding seesaw (5) front end is corresponding, fixing hole is provided with multiple, be positioned on the stroke circular arc (8) that rotates up and down sliding seesaw (5) front end.
7. the anti-blocking stagnant device of the sliding Combined type farm implement of pressure as claimed in claim 6, it is characterized in that: the side plate of described casing is provided with from top to bottom the multiple screw of row, the rear end of described sliding seesaw (5) connects with connecting bolt with one of them screw.
8. the anti-blocking stagnant device of the sliding Combined type farm implement of pressure as claimed in claim 3, it is characterized in that: described sliding seesaw (5) top is also provided with triangular plate (7), described triangular plate (7), while be fixed on sliding seesaw (5) top, is fixed on the side plate of casing.
9. the anti-blocking stagnant device of the sliding Combined type farm implement of pressure as claimed in claim 3, is characterized in that: the reinforcement before and after described sliding seesaw (5) top is also provided with.
10. the anti-blocking stagnant device of the sliding Combined type farm implement of pressure as claimed in claim 3, is characterized in that: described pressure straw wheel (6) adopt broadside wheel, and width is more than or equal to 60mm, and diameter is more than or equal to 350mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073079.5A CN104663064B (en) | 2015-02-10 | 2015-02-10 | Anti-blocking method and anti-blocking device applied to field operation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073079.5A CN104663064B (en) | 2015-02-10 | 2015-02-10 | Anti-blocking method and anti-blocking device applied to field operation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104663064A true CN104663064A (en) | 2015-06-03 |
| CN104663064B CN104663064B (en) | 2017-01-25 |
Family
ID=53299082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510073079.5A Active CN104663064B (en) | 2015-02-10 | 2015-02-10 | Anti-blocking method and anti-blocking device applied to field operation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104663064B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432129A (en) * | 2017-08-15 | 2017-12-05 | 河南农有王农业装备科技股份有限公司 | Wheat wide is no-tillage clean area's seeder |
| CN112690096A (en) * | 2021-01-18 | 2021-04-23 | 赖琼波 | Front end mechanism of red date harvester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546599A (en) * | 1984-11-05 | 1985-10-15 | The Paul Revere Corporation | Roll opener for a mower conditioner |
| CN2453662Y (en) * | 2000-12-15 | 2001-10-17 | 新联集团郑州收割机厂 | Profiling machine for lefting straw on field |
| CN2935772Y (en) * | 2006-07-28 | 2007-08-22 | 广东省农业机械研究所 | Novel machine for returning stubble into soil |
| CN204157302U (en) * | 2014-09-26 | 2015-02-18 | 新疆科农机械制造有限责任公司 | Crushed stalk both sides field-returning machine |
| CN204518531U (en) * | 2015-02-10 | 2015-08-05 | 农业部南京农业机械化研究所 | A kind of anti-blocking stagnant device of pressing sliding Combined type farm implement |
-
2015
- 2015-02-10 CN CN201510073079.5A patent/CN104663064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546599A (en) * | 1984-11-05 | 1985-10-15 | The Paul Revere Corporation | Roll opener for a mower conditioner |
| CN2453662Y (en) * | 2000-12-15 | 2001-10-17 | 新联集团郑州收割机厂 | Profiling machine for lefting straw on field |
| CN2935772Y (en) * | 2006-07-28 | 2007-08-22 | 广东省农业机械研究所 | Novel machine for returning stubble into soil |
| CN204157302U (en) * | 2014-09-26 | 2015-02-18 | 新疆科农机械制造有限责任公司 | Crushed stalk both sides field-returning machine |
| CN204518531U (en) * | 2015-02-10 | 2015-08-05 | 农业部南京农业机械化研究所 | A kind of anti-blocking stagnant device of pressing sliding Combined type farm implement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432129A (en) * | 2017-08-15 | 2017-12-05 | 河南农有王农业装备科技股份有限公司 | Wheat wide is no-tillage clean area's seeder |
| CN112690096A (en) * | 2021-01-18 | 2021-04-23 | 赖琼波 | Front end mechanism of red date harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104663064B (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106717477B (en) | Pneumatic straw deep-burying field-returning machine | |
| CN102860155B (en) | Regrinding banded rotary tillage planter | |
| CN203387863U (en) | Multifunctional crawler type rape straw mulching direct-sowing machine | |
| CN203661545U (en) | Wheat no-tillage planter suitable for full straw mulched ground operation | |
| CN104838746A (en) | Rotary tillage sowing and fertilization ditching multiple operation machine | |
| CN103733753A (en) | Wheat no-tillage seeding machine suitable for full straw mulched ground operation | |
| CN103141173B (en) | Straw-mulching stubble-cleaning ditching seeding machine | |
| CN206851298U (en) | A kind of maize seedling band returning straw into field and rotary cultivation combined seed and fertilizer drill | |
| CN103329656B (en) | Ploughing-free dual-furrow full-film-mulch earthing combined machine | |
| CN102884888A (en) | Multifunctional machine set for straw crushing, straw clearing, fertilization, seeding and straw covering | |
| CN206061457U (en) | A kind of straw field pickup is crushed after broadcasting and covers combined working machine | |
| CN103392420A (en) | Wheat stubble cleaning and corn no-tillage multi-row seeder | |
| CN107980368B (en) | Straw mulching land no-tillage clean area seeder suitable for wide-narrow row planting of corn | |
| CN203327559U (en) | Straw chopping and scattering device | |
| CN103609262B (en) | Stalks cutting and wind send directional scattering device | |
| CN204518531U (en) | A kind of anti-blocking stagnant device of pressing sliding Combined type farm implement | |
| CN207443524U (en) | A kind of straw scattering draught returning device | |
| CN104663064A (en) | Anti-blocking method and anti-blocking device applied to field operation equipment | |
| CN1255014C (en) | Line centering no-tillage sowing machine for wheat in farmland covered by corn stalk | |
| CN105659955A (en) | Stubble cleaning, rotary tillage, fertilization and land preparation combined machine | |
| CN203423942U (en) | Wheat stubble cleaning and corn no-tillage multi-row seeder | |
| CN210491600U (en) | Seeder capable of rotary tillage, crushing rod pressing, reverse rotation, ditching and fertilizing | |
| CN205454472U (en) | No -tillage seeding eccentric wheel hole -forming mechanism of drum -type | |
| CN210537315U (en) | Rape rotary tillage ditching fertilization cleaning zone-shaped sowing compound operation machine | |
| CN104170551B (en) | Monoblock type no-tillage seeding plough |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |