CN103348793A - Derivative side box rotary tillage stubble cleaner - Google Patents
Derivative side box rotary tillage stubble cleaner Download PDFInfo
- Publication number
- CN103348793A CN103348793A CN2013103300022A CN201310330002A CN103348793A CN 103348793 A CN103348793 A CN 103348793A CN 2013103300022 A CN2013103300022 A CN 2013103300022A CN 201310330002 A CN201310330002 A CN 201310330002A CN 103348793 A CN103348793 A CN 103348793A
- Authority
- CN
- China
- Prior art keywords
- stubble
- rotary tillage
- box
- gear
- cleaning
- 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
Images
Abstract
The invention discloses a derivative side box rotary tillage stubble cleaner, which solves the problems of single application range, poor safety, complex structure, high production and maintenance cost, high probability of scraping ridges during operation and the like of the rotary tillage stubble cleaner existing in the prior art. The derivative side box rotary tillage stubble cleaner comprises a rack, a middle box, a stubble cleaning device and a rotary tillage device, wherein the middle box, the stubble cleaning device and the rotary tillage device are assembled on the rack; the middle box is provided with an input shaft; side reduction boxes on the two sides of the middle box are fixed to the middle box; the two sides of the side reduction boxes are connected with gear boxes of the stubble cleaning device and the rotary tillage device through a transmission shaft respectively; the technical key points of the rotary tillage stubble cleaner are that the stubble cleaner comprises a main stubble cleaning gear box and a secondary stubble cleaning gear box; the output end of the secondary stubble cleaning gear box drives a stubble cleaning blade shaft with a stubble cleaning blade; the rotary tillage device comprises a main rotary tillage gear box and a secondary rotary tillage gear box; an output end of the secondary rotary tillage gear box drives a rotary tillage blade shaft with a rotary tillage blade. The derivative side box rotary tillage stubble cleaner has the advantages of rational and skillful structural design, wide application range, convenience in adjustment, stable, safe and reliable joint operation, low maintenance cost and the like.
Description
Technical field
The present invention relates to a kind of agricultural combine, particularly a kind of modification side case rotary tillage stubble-cutting machine belongs to the farm machinery technical field.
Background technology
Present state-of-the-art rotary tillage stubble-cleaning making ridge combined soil preparing machine, its basic structure all is respectively to be provided with stubble-cleaning gear and rotary tillage gear in the both sides of rotary tillage stubble-cutting machine.When rotary tillage, stubble-cleaning, making ridge integration of operation because of the gear of rotary tillage stubble-cutting machine both sides completely outside each side of width all to exceed outside rotary blade full width greatly about 100 millimeters, so the bottom of one side gear transmission case scrapes that (through rotary tillage stubble-cleaning making ridge combined soil preparing machine) risen when operation new ridge ridge side makes side gear transmission case bottom scrape the old ridge ridge that stayed last year and helps.Ridge now looks like more seriously apart from the less ridge of scraping, and not only should ring the operation effectiveness quality, and the also certain tractive force of pin consumption tractor strengthens the locomotive fuel consumption simultaneously.Accommodation to the very little size of ridge carpenters square is also little.For this reason, once invented out following three kinds of farm equipments.
Be that the utility model patent of CN 202818900 U discloses a kind of combined soil preparing machine such as notification number, this machine comprises: frame, the traction hanger bracket, the stubble-cleaning rotor, the rotary tillage rotor, ridger, suppression device and transmission device, frame is that square steel forms frame-type, the traction hanger bracket is fixedly installed on the frame, stubble-cleaning rotor warp beam bearing supports and is fixedly installed on below the frame, and rotary tillage rotor warp beam bearing supports below the frame that is fixedly installed on stubble-cleaning rotor back, and ridger and suppression device are spirally connected respectively and are fixed on the back rest of frame.Although solved the problem of original rotovator function singleness, but owing to directly be fixed on the auxiliary driving gear-box on the main-gear box, power transmission shaft is connected with major and minor travelling gear respectively by Hooks coupling universal coupling, to such an extent as to power shaft and ground level on the main-gear box are unadjustable, can't be applicable to the tractor of different automobile types.Therefore when producing, combined soil preparing machine need to according to the tractor manufacturing of different automobile types, improve production cost.Also need again to buy combined soil preparing machine in case change tractor, strengthened peasant's financial burden.
And for example notification number is that the utility model patent of CN 202503880 U discloses a kind of towed rotary tillage stubble-cleaning all-in-one, comprise drawing pull bar, diesel engine, gearbox, road wheel and rotary tillage stubble-cutting machine, rotary tillage stubble-cutting machine is connected with the operation rotating shaft of gearbox output, and ploughshare is fixed on the drawing pull bar by connecting rod.The below of diesel engine is provided with hydraulic rockshaft.Although solved the problem of original rotovator function singleness, but because the operation rotating shaft of rotary tillage stubble-cutting machine with gearbox output is connected, cause rotary tillage shaft identical with the connecting frame rotating shaft of paring shaft, therefore the cutterhead on rotary tillage shaft and the paring shaft easily bumps, cause security incident, improved the production maintenance cost.
Notification number is that the utility model patent of CN 202679927 U discloses a kind of multifunctional assembled soil preparation machine for another example, and it comprises frame, transmission system, subsoiling ploughshare, stubble ploughing knife pivot device and rotary ploughing cutter shaft device; Described transmission system comprises stubble-cleaning gear-box, rotary tillage gear-box, realizes that a main drive shaft connects the connection teeth roller box of stubble-cleaning gear-box and rotary tillage gear-box; Described frame comprises the connecting plate between stubble-cleaning frame, rotary tillage frame, hanger bracket, auxiliary frame and stubble-cleaning frame and the rotary tillage frame.It can carry out any combination as required, namely can carry out the individual event operation, also can carry out two or multinomial integration of operation.But, this stubble cleaning rotary tiller complex structure, the production maintenance cost that broken down is high, and expensive being unfavorable for promotes the use of.Therefore, need a kind of simple in structure, cheap, stubble cleaning rotary tiller that the production maintenance cost is low, safe and reliable, applied widely badly.
Summary of the invention
The purpose of this invention is to provide a kind of modification side case rotary tillage stubble-cutting machine, solved that the rotary tillage stubble-cutting machine scope of application in the prior art is single, poor stability, complex structure, production maintenance cost are high, the problems such as ridge are scraped in the gear-box bottom of rotary tillage stubble-cutting machine both sides in the operation process.Its reasonable in design, ingenious, applied widely, have easy to adjust, integration of operation stable, safe and reliable, the advantage such as maintenance cost is low, strengthened simultaneously the accommodation to ridge carpenters square cun size.
The technical solution adopted in the present invention is: this modification side case rotary tillage stubble-cutting machine comprises frame, the raising middle flask with power shaft that is assembled on the frame reaches the shaft-driven stubble-clearing device of output and the rotary cultivator attachment that passes through raising middle flask, the limit that is arranged on the raising middle flask both sides subtracts that case subtracts the case flange by the limit and raising middle flask is fixed, the limit subtracts the output shaft end of case both sides respectively by power transmission shaft and stubble-clearing device, the input shaft end of the gear-box of rotary cultivator attachment links to each other, its technical essential is: the gear-box of described stubble-clearing device comprises the main stubble-cleaning gear-box that is fixed on the stubble-cleaning cant board outside and the secondary stubble-cleaning gear-box that is fixed on stubble-cleaning cant board inboard, and the output of secondary stubble-cleaning gear-box drives the stubble ploughing knife pivot with stubble-cleaning knife; The gear-box of rotary cultivator attachment comprises the main rotary tillage gear-box that is fixed on the rotary tillage cant board outside and the secondary rotary tillage gear-box that is fixed on rotary tillage cant board inboard, and the output of secondary rotary tillage gear-box drives the rotary ploughing cutter shaft with rotary blade.
The output shaft of described main stubble-cleaning gear-box and secondary stubble-cleaning gearbox input shaft adopt same axle, and the output shaft of secondary stubble-cleaning gear-box connects stubble ploughing knife pivot.
The output shaft of described main rotary tillage gear-box and secondary rotary tillage gearbox input shaft adopt same axle, and the output shaft of secondary rotary tillage gear-box connects rotary ploughing cutter shaft.
The power shaft that the output shaft of described raising middle flask and limit subtract the case both sides is same axle, and by Bearing housings assembly in raising middle flask; The raising middle flask both sides are provided with the limit and subtract the corresponding bolt hole in case flange plate bolt hole, utilize the limit to subtract the circumferentially mutually change of correspondence position of bolt hole of bolt hole on the case flange and raising middle flask both sides, adjust the distance between raising middle flask power shaft and the ground.
The advantage that the present invention has and positive technique effect are: the limit of raising middle flask both sides subtracts that case subtracts the case flange by the limit and raising middle flask is fixed, the output shaft end that the limit subtracts the case both sides links to each other by the input shaft end of power transmission shaft with the gear-box of stubble-clearing device, rotary cultivator attachment respectively, adopts this structure to realize being driven simultaneously by the power shaft in the raising middle flask purpose of stubble-clearing device, rotary cultivator attachment.Stubble-cleaning, rotary tillage function are integrated simultaneously, are an integration of operation with traditional repeatedly job integration, have greatly shortened the farming time, have reduced labour intensity, have improved operating efficiency, and operation is reliable and stable, effective.The gear-box of stubble-clearing device comprises the main stubble-cleaning gear-box that is fixed on the stubble-cleaning cant board outside and the secondary stubble-cleaning gear-box that is fixed on stubble-cleaning cant board inboard, and the output of secondary stubble-cleaning gear-box drives the stubble ploughing knife pivot with stubble-cleaning knife; The gear-box of rotary cultivator attachment comprises the main rotary tillage gear-box that is fixed on the rotary tillage cant board outside and the secondary rotary tillage gear-box that is fixed on rotary tillage cant board inboard, and the output of secondary rotary tillage gear-box drives the rotary ploughing cutter shaft with rotary blade.Be respectively equipped with the pinion case on stubble-cleaning gear-box and the rotary tillage gear-box, reach the purpose that adapts to different ridges type, applied widely, save the farming cost.In sum, the present invention has the advantages such as design is ingenious, easy to adjust, long service life.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a kind of package assembly schematic diagram of the present invention;
Fig. 2 is the right TV structure schematic diagram of Fig. 1;
Fig. 3 is that Fig. 2 is along the sectional structure schematic diagram of A-A line;
Fig. 4 is the D section structure for amplifying schematic diagram of Fig. 3;
Fig. 5 is the left TV structure schematic diagram of Fig. 1;
Fig. 6 is that Fig. 5 is along the sectional structure schematic diagram of B-B line;
Fig. 7 is that Fig. 5 is along the sectional structure schematic diagram of C-C line;
Fig. 8 is the E section structure for amplifying schematic diagram of Fig. 7;
Fig. 9 is raising middle flask and ground distance subtract hour case with the limit syndeton schematic diagram;
When Figure 10 is raising middle flask and ground distance maximum and limit subtracts the syndeton schematic diagram of case.
Sequence number explanation among the figure: 1 limit subtracts case, 2 raising middle flasks, 3 main rotary tillage gear-boxes, 4 raising middle flask power shafts, 5 secondary rotary tillage gear-boxes, 6 rotary tillage cant boards, 7 rotary ploughing cutter shafts, 8 stubble ploughing knife pivots, 9 secondary stubble-cleaning gear-boxes, 10 stubble-cleaning cant boards, 11 power transmission shafts, 12 main stubble-cleaning gear-boxes, 13 sleeve pipes, 14 limits and subtracts case flange, 15 limits and subtract case power shaft, 16 bearing blocks, 17 raising middle flask output shafts, 18 limits and subtract case output shaft, 19 rotary blades, 20 stubble-cleaning knifes.
Embodiment
Describe concrete structure of the present invention in detail according to Fig. 1 ~ 10.This modification side case rotary tillage stubble-cutting machine comprises frame, is assembled in to subtract the parts such as stubble-clearing device that case output shaft 18 drives and rotary cultivator attachment with the raising middle flask 2 of raising middle flask power shaft 4 and by the limit that raising middle flask output shaft 17 drives on the frame.Wherein, the limit that is arranged on raising middle flask 2 both sides subtracts case 1, and to subtract case flange 14 by the limit fixing with raising middle flask 2, and the limit that the limit subtracts case 1 both sides subtracts case output shaft 18 ends and links to each other with the input shaft end of the gear-box of stubble-clearing device, rotary cultivator attachment by power transmission shaft 11 respectively.It is fixing that main rotary tillage gear-box 3 and main stubble-cleaning gear-box 12 subtract case 1 by two ends with the sleeve pipe 13 of flange and limit respectively.The gear-box of stubble-clearing device comprises the main stubble-cleaning gear-box 12 that is fixed on stubble-cleaning cant board 10 outsides and the secondary stubble-cleaning gear-box 9 that is fixed on stubble-cleaning cant board 10 inboards, and the output of secondary stubble-cleaning gear-box 9 drives the stubble ploughing knife pivot 8 with stubble-cleaning knife 20.The gear-box of rotary cultivator attachment comprises the main rotary tillage gear-box 3 that is fixed on rotary tillage cant board 6 outsides and the secondary rotary tillage gear-box 5 that is fixed on rotary tillage cant board 6 inboards, and the output of secondary rotary tillage gear-box 5 drives the rotary ploughing cutter shaft 7 with rotary blade 19.The power shaft of the output shaft of main stubble-cleaning gear-box 12 and secondary stubble-cleaning gear-box 9 adopts same axle, and the output shaft of secondary stubble-cleaning gear-box 9 connects stubble ploughing knife pivot 8.The output shaft of main rotary tillage gear-box 3 and secondary rotary tillage gear-box 5 power shafts adopt same axle, and the output shaft of secondary rotary tillage gear-box 5 connects rotary ploughing cutter shaft 7.After adopting secondary rotary tillage gear-box 5 and secondary stubble-cleaning gear-box 9, between main-gear box end and pinion case, form neutral gear, be the pinion case to the centerline direction indentation main-gear box width of whole rotary tillage stubble-cutting machine, thereby guarantee that whole agricultural machinery scratches the ridge type in running.The limit that raising middle flask output shaft 17 and limit subtract case 1 both sides subtracts case power shaft 15 and is same axle, and is assembled in raising middle flask 2 by bearing block 16.Bearing block 16 opposite side subtract case power shaft 15 plays a supporting role, and makes the more compact structure of whole agricultural machinery, assembles more convenient.Raising middle flask 2 both sides are provided with the limit and subtract the corresponding bolt hole of the bolt hole of case flange 14, utilize the limit to subtract the circumferentially mutually change of correspondence position of bolt hole of bolt hole on the case flange 14 and raising middle flask 2 both sides, adjust simultaneously the bolt hole of both sides main-gear box (main rotary tillage gear-box 3 and main stubble-cleaning gear-box 12) and sleeve pipe 13 flange, be the distance between capable of regulating raising middle flask power shaft 4 and the ground, to adapt to the tractor of different model.Shown in Fig. 9 and 10, be respectively minimum position and the maximum position of output shaft center line and ground distance.
Operation principle: under the tractor running status, drive 4 rotations of raising middle flask power shaft, raising middle flask power shaft 4 is by driving raising middle flask output shaft 17, and the limit that drives simultaneously raising middle flask 2 both sides subtracts case 1, drive the stubble ploughing knife pivot 8 of stubble-clearing device, rotary ploughing cutter shaft 7 actions of rotary cultivator attachment, stubble-cleaning and rotary tillage are integrated.Crooked to secondary rotary tillage gear-box 8 directions near the rotary blade 19 of secondary rotary tillage gear-box 8, make the bend of rotary blade 19 just surround secondary rotary tillage gear-box 8, avoided the normal operation that stops rotary blade 19 behind the secondary rotary tillage gear-box 8 because adopting.Secondary rotary tillage gear-box 5 or secondary stubble-cleaning gear-box 9 are vertical oval shape, and the diameter of circular arc is less than the diameter of lower circular arc, to realize the speed-changing rotation of rotary tillage shaft or rotary tillage shaft on this oval.
Claims (4)
1. modification side case rotary tillage stubble-cutting machine, comprise frame, the raising middle flask with power shaft that is assembled on the frame reaches the shaft-driven stubble-clearing device of output and the rotary cultivator attachment that passes through raising middle flask, the limit that is arranged on the raising middle flask both sides subtracts that case subtracts the case flange by the limit and raising middle flask is fixed, the limit subtracts the output shaft end of case both sides respectively by power transmission shaft and stubble-clearing device, the input shaft end of the gear-box of rotary cultivator attachment links to each other, it is characterized in that: the gear-box of described stubble-clearing device comprises the main stubble-cleaning gear-box that is fixed on the stubble-cleaning cant board outside and the secondary stubble-cleaning gear-box that is fixed on stubble-cleaning cant board inboard, and the output of secondary stubble-cleaning gear-box drives the stubble ploughing knife pivot with stubble-cleaning knife; The gear-box of rotary cultivator attachment comprises the main rotary tillage gear-box that is fixed on the rotary tillage cant board outside and the secondary rotary tillage gear-box that is fixed on rotary tillage cant board inboard, and the output of secondary rotary tillage gear-box drives the rotary ploughing cutter shaft with rotary blade.
2. modification side case rotary tillage stubble-cutting machine according to claim 1, it is characterized in that: the output shaft of described main stubble-cleaning gear-box and secondary stubble-cleaning gearbox input shaft adopt same axle, and the output shaft of secondary stubble-cleaning gear-box connects stubble ploughing knife pivot.
3. modification side case rotary tillage stubble-cutting machine according to claim 1, it is characterized in that: the output shaft of described main rotary tillage gear-box and secondary rotary tillage gearbox input shaft adopt same axle, and the output shaft of secondary rotary tillage gear-box connects rotary ploughing cutter shaft.
4. modification side case rotary tillage stubble-cutting machine according to claim 1, it is characterized in that: the power shaft that the output shaft of described raising middle flask and limit subtract the case both sides is same axle, and by Bearing housings assembly in raising middle flask; The raising middle flask both sides are provided with the limit and subtract the corresponding bolt hole in case flange plate bolt hole, utilize the limit to subtract the circumferentially mutually change of correspondence position of bolt hole of bolt hole on the case flange and raising middle flask both sides, adjust the distance between raising middle flask power shaft and the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330002.2A CN103348793B (en) | 2013-08-01 | 2013-08-01 | Derivative side box rotary tillage stubble cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330002.2A CN103348793B (en) | 2013-08-01 | 2013-08-01 | Derivative side box rotary tillage stubble cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103348793A true CN103348793A (en) | 2013-10-16 |
| CN103348793B CN103348793B (en) | 2015-07-15 |
Family
ID=49305299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310330002.2A Active CN103348793B (en) | 2013-08-01 | 2013-08-01 | Derivative side box rotary tillage stubble cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103348793B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322166A (en) * | 2014-11-14 | 2015-02-04 | 王素艳 | Rotary cultivation stubble cleaning mechanism for deep scarifying and crushing multipurpose machine |
| CN105875064A (en) * | 2015-01-25 | 2016-08-24 | 江苏环捷机械科技有限公司 | Straw shredding and returning machine |
| CN105993237A (en) * | 2016-07-01 | 2016-10-12 | 王艳梅 | Efficient environment-friendly agricultural stubble cleaning equipment |
| CN108377684A (en) * | 2018-05-21 | 2018-08-10 | 黑龙江省农业机械运用研究所 | Multi-functional machine of working soil |
| CN108506372A (en) * | 2018-06-13 | 2018-09-07 | 周雨馨 | Rotary tillage stubble-cutting machine with overload protection function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1320675A (en) * | 1971-01-15 | 1973-06-20 | Rotary Hoes Ltd | Cultivating machine |
| CN2487202Y (en) * | 2001-07-11 | 2002-04-24 | 哈尔滨市农业机械化研究所 | Stubbling transmission mechanism for combined rotary cultivator |
| CN2812529Y (en) * | 2005-09-08 | 2006-09-06 | 王振江 | High-box stubble ploughing rotary cultivator |
| CN202679929U (en) * | 2012-06-08 | 2013-01-23 | 李增杰 | Stubble ploughing rotary cultivator with power input shaft with height capable of being adjusted |
| CN203416584U (en) * | 2013-08-01 | 2014-02-05 | 周德兴 | Rotary tillage stubble cleaner with variant side boxes |
-
2013
- 2013-08-01 CN CN201310330002.2A patent/CN103348793B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1320675A (en) * | 1971-01-15 | 1973-06-20 | Rotary Hoes Ltd | Cultivating machine |
| CN2487202Y (en) * | 2001-07-11 | 2002-04-24 | 哈尔滨市农业机械化研究所 | Stubbling transmission mechanism for combined rotary cultivator |
| CN2812529Y (en) * | 2005-09-08 | 2006-09-06 | 王振江 | High-box stubble ploughing rotary cultivator |
| CN202679929U (en) * | 2012-06-08 | 2013-01-23 | 李增杰 | Stubble ploughing rotary cultivator with power input shaft with height capable of being adjusted |
| CN203416584U (en) * | 2013-08-01 | 2014-02-05 | 周德兴 | Rotary tillage stubble cleaner with variant side boxes |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322166A (en) * | 2014-11-14 | 2015-02-04 | 王素艳 | Rotary cultivation stubble cleaning mechanism for deep scarifying and crushing multipurpose machine |
| CN105875064A (en) * | 2015-01-25 | 2016-08-24 | 江苏环捷机械科技有限公司 | Straw shredding and returning machine |
| CN105993237A (en) * | 2016-07-01 | 2016-10-12 | 王艳梅 | Efficient environment-friendly agricultural stubble cleaning equipment |
| CN108377684A (en) * | 2018-05-21 | 2018-08-10 | 黑龙江省农业机械运用研究所 | Multi-functional machine of working soil |
| CN108506372A (en) * | 2018-06-13 | 2018-09-07 | 周雨馨 | Rotary tillage stubble-cutting machine with overload protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103348793B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103348793B (en) | Derivative side box rotary tillage stubble cleaner | |
| CN104191966B (en) | A kind of self-propelled multifunctional tiller of four-wheel drive | |
| CN103039141A (en) | Full-hydraulic rotary cultivator with triangular track wheel-type chassis | |
| CN101606451A (en) | But a kind of rotary tillage ditching stubble burying machine of rotating | |
| CN203416584U (en) | Rotary tillage stubble cleaner with variant side boxes | |
| CN203416585U (en) | Rotary tillage stubble cleaner with adjustable middle box | |
| US3115190A (en) | Rotary tiller | |
| CN103430649B (en) | Adjustable rotary tillage stubble cleaner with intermediate gear box | |
| CN204090435U (en) | A kind of caterpillar band self-propelled pair of rotovator | |
| CN204377338U (en) | A kind of novel farmland is except stubble device | |
| CN204774641U (en) | Heavy deep ploughing machine of high horse power | |
| CN204383621U (en) | Miniature four-wheeled tractor | |
| CN202873282U (en) | Bilateral soil raising rotary tillage wheel for land shaper and land shaper | |
| CN108012591A (en) | A kind of gear driven type suspension adjusts rotary cultivator assembly | |
| CN103931284B (en) | A kind of caterpillar band self-propelled pair of ridger | |
| CN103348790A (en) | Front-arranged type rotary cultivator | |
| CN207505353U (en) | A kind of gear driven type suspension adjusts rotary cultivator assembly | |
| CN2812529Y (en) | High-box stubble ploughing rotary cultivator | |
| CN206100833U (en) | Through shaft type stubble -cleaning deep scarification land preparation machine | |
| CN207720646U (en) | Rapid assembly device for powered harrow blade | |
| CN204810830U (en) | Power input system of dark pine machine of tiling | |
| CN103931285B (en) | Caterpillar band self-propelled double-structure rotary cultivator | |
| CN202514264U (en) | No-balk cross shaft drive soil-throwing and stubble-cleaning rotary cultivator | |
| CN202818900U (en) | Combined land preparation machine | |
| CN201414282Y (en) | High-horsepower combined cultivating machine |
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 |