CN102577668A - Non-balk cross shaft transmission gearbox for cultivator - Google Patents

Non-balk cross shaft transmission gearbox for cultivator Download PDF

Info

Publication number
CN102577668A
CN102577668A CN2012100720963A CN201210072096A CN102577668A CN 102577668 A CN102577668 A CN 102577668A CN 2012100720963 A CN2012100720963 A CN 2012100720963A CN 201210072096 A CN201210072096 A CN 201210072096A CN 102577668 A CN102577668 A CN 102577668A
Authority
CN
China
Prior art keywords
shaft
transmission
gearbox
variable speed
output variable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012100720963A
Other languages
Chinese (zh)
Inventor
刘建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2012100720963A priority Critical patent/CN102577668A/en
Publication of CN102577668A publication Critical patent/CN102577668A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Soil Working Implements (AREA)

Abstract

本发明是一种耕作机用无漏耕十字轴传动变速箱,采用中间传动的方式,它设有输入变速箱、中间传动箱和输出变速箱总成;输入变速箱体内设有动力输入轴和中间传动轴,中间传动轴延伸到中间传动箱体内,再从中间传动箱体内延伸至输出变速箱体中,在输出变速箱体中的中间传动轴上设有下传动齿轮,输出变速箱体还设有动力输出轴和铣旋刀传动轴,铣旋刀传动轴上设有铣旋刀传动齿轮,动力输出轴上设有与下传动齿轮、铣旋刀传动齿轮啮合的动力输出齿轮,在伸出输出变速箱体的铣旋刀传动轴上设有铣旋刀总成。本发明由于采用上中下分体结构,制造简单,生产容易,成本低,通用性强,维修方便,是现有的各种耕作机械的变速传动箱的换代产品。

Figure 201210072096

The present invention is a cross-shaft transmission gearbox without missing tillage for a cultivator, which adopts an intermediate transmission mode, and is provided with an input gearbox, an intermediate gearbox and an output gearbox assembly; the input gearbox body is provided with a power input shaft and the intermediate transmission shaft, the intermediate transmission shaft extends into the intermediate transmission case, and then extends from the intermediate transmission case to the output gearbox body, the lower transmission gear is arranged on the intermediate transmission shaft in the output gearbox body, and the output gearbox body It is also provided with a power output shaft and a milling cutter transmission shaft. The milling cutter transmission shaft is provided with a milling cutter transmission gear, and the power output shaft is provided with a power output gear meshed with the lower transmission gear and the milling cutter transmission gear. A milling cutter assembly is provided on the milling cutter drive shaft protruding from the output gearbox body. Due to the adoption of the upper, middle and lower split structure, the present invention is simple in manufacture, easy in production, low in cost, strong in versatility, and convenient in maintenance.

Figure 201210072096

Description

耕作机用无漏耕十字轴传动变速箱Non-leaking tillage cross shaft transmission gearbox for tillage machine

技术领域 technical field

 本发明涉及一种变速箱,特别是一种耕作机用无漏耕十字轴传动变速箱。 The invention relates to a gearbox, in particular to a non-missing tillage cross shaft transmission gearbox for tillage machines.

背景技术 Background technique

随着我国机械化进程的快速推进,大型,超大型农业机械的普及应用,原来配套的旋耕机,灭茬机,旋播机,起垄机,开沟机,深松机等各种耕作机的变速传动箱都已无法胜任目前的大马力农业机械的配套使用,很容易造成断链条,损坏轴承,齿轮,甚至打坏传动箱总成等严重机械故障,特别是中间传动的耕作机械,因中间传动箱相对应的下端,因无法安装旋转刀具而造成20cm宽的旋耕灭茬盲区,至今都无法解决这一难题。直接影响旋耕灭茬和播种质量,从而影响到粮食产量。 With the rapid advancement of my country's mechanization process, the popularization and application of large and super large agricultural machinery, the original matching rotary tiller, stubble remover, rotary seeder, ridger, ditcher, subsoiler and other tillage machines The variable speed transmission box is no longer suitable for the supporting use of the current high-horsepower agricultural machinery, and it is easy to cause severe mechanical failures such as broken chains, damaged bearings, gears, and even broken transmission box assemblies, especially for farming machinery with intermediate transmission. The corresponding lower end of the transmission box has a 20cm wide blind spot for rotary tillage and stubble removal due to the inability to install the rotary cutter, which has not been able to solve this problem so far. It directly affects the stubble removal and sowing quality of rotary tillage, thus affecting the grain yield.

发明内容 Contents of the invention

本发明所要解决的技术问题是针对现有技术的不足,提供一种结构设计合理、通用性强、使用寿命长的耕作机用无漏耕十字轴传动变速箱。 The technical problem to be solved by the present invention is to provide a non-missing tillage cross shaft transmission gearbox for tillage machines with reasonable structural design, strong versatility and long service life in view of the deficiencies of the prior art.

本发明所要解决的技术问题是通过以下的技术方案来实现的。本发明是一种耕作机用无漏耕十字轴传动变速箱,其特点是,该变速箱采用中间传动的方式设置,它由输入变速箱总成、中间传动箱总成和输出变速箱总成组成; The technical problem to be solved by the present invention is achieved through the following technical solutions. The present invention is a cross-shaft transmission gearbox for tillage without missing tillage, which is characterized in that the gearbox adopts an intermediate transmission mode, and it consists of an input gearbox assembly, an intermediate transmission box assembly and an output gearbox assembly. composition;

所述的输入变速箱总成包括输入变速箱体,输入变速箱体内设有动力输入轴和中间传动轴,动力输入轴和中间传动轴上分别设有啮合的动力输入齿轮和上传动齿轮; The input gearbox assembly includes an input gearbox body, the input gearbox body is provided with a power input shaft and an intermediate transmission shaft, and the power input shaft and the intermediate transmission shaft are respectively provided with meshing power input gears and upper transmission gears;

所述的中间传动箱总成包括中间传动箱体,中间传动轴从输入变速箱体中延伸到中间传动箱体内; The intermediate transmission case assembly includes an intermediate transmission case, and the intermediate transmission shaft extends from the input transmission case to the intermediate transmission case;

所述的输出变速箱总成包括输出变速箱体,中间传动轴从中间传动箱体内延伸至输出变速箱体中,在输出变速箱体中的中间传动轴上设有下传动齿轮,输出变速箱体还设有动力输出轴和铣旋刀传动轴,铣旋刀传动轴上设有铣旋刀传动齿轮,动力输出轴上设有与下传动齿轮、铣旋刀传动齿轮啮合的动力输出齿轮,动力输出轴通过轴承与轴承油封座设置在输出变速箱体上,在伸出输出变速箱体的铣旋刀传动轴上设有铣旋刀总成; The output gearbox assembly includes an output gearbox body, an intermediate transmission shaft extends from the intermediate transmission casing to the output gearbox body, and a lower transmission gear is arranged on the intermediate transmission shaft in the output gearbox body, and the output gearbox The body is also provided with a power output shaft and a milling cutter transmission shaft. The milling cutter transmission shaft is provided with a milling cutter transmission gear, and the power output shaft is provided with a power output gear meshing with the lower transmission gear and the milling cutter transmission gear. The power output shaft is set on the output gearbox body through the bearing and the bearing oil seal seat, and the milling cutter assembly is arranged on the milling cutter drive shaft protruding from the output gearbox body;

所述的中间传动箱体的两端分别与输入变速箱体、输出变速箱体固定连接。 The two ends of the intermediate transmission case are respectively fixedly connected with the input transmission case and the output transmission case.

本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现。以上所述的耕作机用无漏耕十字轴传动变速箱中:所述的铣旋刀传动轴优选通过轴承与轴承油封座连接在输出变速箱体上。 The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross shaft transmission gearbox for tillage machines mentioned above: the milling cutter transmission shaft is preferably connected to the output gearbox body through a bearing and a bearing oil seal seat.

本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现。以上所述的耕作机用无漏耕十字轴传动变速箱中:还可以在轴承与轴承油封座的周围设有固定在铣旋刀传动轴上的挡草罩。这样可以实现档草功能,增加轴承与轴承油封座的使用寿命。 The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-leaking tillage cross shaft transmission gearbox for the cultivator described above: a grass retaining cover fixed on the milling cutter transmission shaft can also be provided around the bearing and the bearing oil seal seat. In this way, the grass-retaining function can be realized, and the service life of the bearing and the bearing oil seal seat can be increased.

本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现。以上所述的耕作机用无漏耕十字轴传动变速箱中:铣旋刀总成由轴套或联轴器以及安装在轴套或联轴器上的铣旋刀组成。所述的轴套或联轴器可以采用内外花键与铣旋刀传动轴连接。 The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross shaft transmission gearbox for tillage machines mentioned above: the milling cutter assembly is composed of a shaft sleeve or a coupling and a milling cutter installed on the shaft sleeve or coupling. The shaft sleeve or shaft coupling can be connected with the drive shaft of the milling cutter by means of internal and external splines.

本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现。以上所述的耕作机用无漏耕十字轴传动变速箱中:在铣旋刀传动轴上设有若干个安装调节螺孔,在轴套或联轴器上设有与安装调节螺孔配套的安装调节螺丝。 The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross shaft transmission gearbox for tillage machines mentioned above: there are several installation and adjustment screw holes on the milling cutter transmission shaft, and there are a number of installation and adjustment screw holes on the shaft sleeve or coupling. Install the adjusting screw.

本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现。以上所述的耕作机用无漏耕十字轴传动变速箱中:所述的铣旋刀呈螺旋状设置。 The technical problem to be solved by the present invention can be further realized through the following technical solutions. In the non-missing tillage cross shaft transmission gearbox for tillage machines mentioned above: the milling cutter is arranged in a spiral shape.

本发明耕作机用无漏耕十字轴传动变速箱中,动力输出轴是用于与耕作机连接,带动耕作机耕作的。所述的耕作机可以为旋耕机,灭茬机,旋播机,起垄机,开沟机,深松机等各种耕作机械。本发明耕作机用无漏耕十字轴传动变速箱彻底解决了大马大农机配套的各种耕作机械容易造成断链条,损坏轴承,齿轮,甚至打坏传动箱总成等严重机械故障问题的发生,特别解决了中间传动的耕作机械因中间传动箱对应的下端,因无法安装旋转刀具而造成的20cm旋耕灭茬盲区这一至今无法解决的难题, In the non-missing tillage cross shaft transmission gearbox for the tiller of the present invention, the power output shaft is used to connect with the tiller to drive the tiller to cultivate. The cultivating machine can be various cultivating machines such as a rotary tiller, a stubble remover, a rotary seeder, a ridging machine, a ditching machine, and a subsoiler. The cross-shaft transmission gearbox for tillage machines without missing plowing of the present invention completely solves the problems of serious mechanical failures such as broken chains, damaged bearings, gears, and even broken transmission box assemblies, etc. In particular, it solves the unsolvable problem of the 20cm blind area of rotary tillage and stubble removal caused by the inability to install the rotary cutter at the lower end of the intermediate transmission box of the farming machinery.

与现有技术相比,本发明由于采用上中下分体结构,制造简单,生产容易,成本低,且通用性强,维修方便,是现有的各种耕作机械的变速传动箱的换代产品。 Compared with the prior art, the present invention adopts the upper, middle and lower split structure, which is simple to manufacture, easy to produce, low in cost, strong in versatility, and convenient in maintenance. .

附图说明 Description of drawings

图1为本发明的一种结构示意图。 Fig. 1 is a kind of structure diagram of the present invention.

具体实施方式 Detailed ways

以下参照附图,进一步描述本发明的具体技术方案,以便于本领域的技术人员进一步地理解本发明,而不构成对其权利的限制。 The specific technical solutions of the present invention will be further described below with reference to the accompanying drawings, so that those skilled in the art can further understand the present invention, without limiting their rights.

实施例1,参照图1,一种耕作机用无漏耕十字轴传动变速箱,该变速箱采用中间传动的方式设置,它由输入变速箱总成、中间传动箱总成和输出变速箱总成组成; Embodiment 1, with reference to Fig. 1, a tiller without missing tillage cross-shaft transmission gearbox, the gearbox adopts the mode of intermediate transmission, and it is composed of input gearbox assembly, intermediate gearbox assembly and output gearbox assembly into composition;

所述的输入变速箱总成包括输入变速箱体1,输入变速箱体1内设有动力输入轴2和中间传动轴6,动力输入轴2和中间传动轴6上分别设有啮合的动力输入齿轮3和上传动齿轮4; The input gearbox assembly includes an input gearbox body 1, the input gearbox body 1 is provided with a power input shaft 2 and an intermediate transmission shaft 6, and the power input shaft 2 and the intermediate transmission shaft 6 are respectively provided with engaging power input shafts. Gear 3 and upper drive gear 4;

所述的中间传动箱总成包括中间传动箱体5,中间传动轴6从输入变速箱体1中延伸到中间传动箱体5内; The intermediate transmission case assembly includes an intermediate transmission case 5, and an intermediate transmission shaft 6 extends from the input transmission case 1 into the intermediate transmission case 5;

所述的输出变速箱总成包括输出变速箱体7,中间传动轴6从中间传动箱体5内延伸至输出变速箱体7中,在输出变速箱体7中的中间传动轴6上设有下传动齿轮8,输出变速箱体7还设有动力输出轴15和铣旋刀传动轴11,铣旋刀传动轴11上设有铣旋刀传动齿轮14,动力输出轴15上设有与下传动齿轮8、铣旋刀传动齿轮14啮合的动力输出齿轮9,动力输出轴15通过轴承与轴承油封座10设置在输出变速箱体7上,在伸出输出变速箱体7的铣旋刀传动轴11上设有铣旋刀总成12; The output gearbox assembly includes an output gearbox body 7, the intermediate transmission shaft 6 extends from the intermediate transmission casing 5 to the output gearbox body 7, and the intermediate transmission shaft 6 in the output gearbox body 7 is provided with The lower transmission gear 8, the output gearbox body 7 is also provided with a power output shaft 15 and a milling cutter transmission shaft 11, the milling cutter transmission shaft 11 is provided with a milling cutter transmission gear 14, and the power output shaft 15 is provided with a The transmission gear 8 and the power output gear 9 meshed with the milling cutter transmission gear 14, the power output shaft 15 is arranged on the output gearbox body 7 through the bearing and the bearing oil seal seat 10, and the milling cutter transmission that extends out of the output gearbox body 7 A milling cutter assembly 12 is provided on the shaft 11;

所述的中间传动箱体5的两端分别与输入变速箱体1、输出变速箱体7固定连接。 The two ends of the intermediate transmission case 5 are fixedly connected with the input transmission case 1 and the output transmission case 7 respectively.

实施例2,实施例1所述的耕作机用无漏耕十字轴传动变速箱中:所述的铣旋刀传动轴11通过轴承与轴承油封座10连接在输出变速箱体7上。 Embodiment 2, in the non-missing tillage cross shaft transmission gearbox for the cultivator described in Embodiment 1: the milling cutter transmission shaft 11 is connected to the output gearbox body 7 through a bearing and a bearing oil seal seat 10 .

实施例3,实施例2所述的耕作机用无漏耕十字轴传动变速箱中:在轴承与轴承油封座10的周围设有固定在铣旋刀传动轴11上的挡草罩13。 Embodiment 3, in the non-missing tillage cross shaft transmission gearbox for the cultivator described in Embodiment 2: a grass cover 13 fixed on the milling cutter transmission shaft 11 is provided around the bearing and the bearing oil seal seat 10 .

实施例4,实施例1-3任何一项所述的耕作机用无漏耕十字轴传动变速箱中:铣旋刀总成12由轴套或联轴器以及安装在轴套或联轴器上的铣旋刀组成。 Embodiment 4, in any one of embodiments 1-3 described in the non-leaking tillage cross shaft transmission gearbox for the tiller: the milling cutter assembly 12 consists of a shaft sleeve or a coupling and is installed on the shaft sleeve or coupling Composition of the milling cutter on the.

实施例5,实施例4所述的耕作机用无漏耕十字轴传动变速箱中:在铣旋刀传动轴11上设有若干个安装调节螺孔,在轴套或联轴器上设有与安装调节螺孔配套的安装调节螺丝。 Embodiment 5, in the non-missing tillage cross shaft transmission gearbox for the cultivator described in Embodiment 4: several installation and adjustment screw holes are provided on the milling cutter transmission shaft 11, and there are several screw holes for installation and adjustment on the shaft sleeve or coupling. The installation adjustment screw matched with the installation adjustment screw hole.

实施例6,实施例4或5所述的耕作机用无漏耕十字轴传动变速箱中:所述的铣旋刀呈螺旋状设置。 Embodiment 6, in the non-missing tillage cross shaft transmission gearbox for tillage machines described in Embodiment 4 or 5: the milling cutter is arranged in a helical shape.

Claims (6)

1. a tiller is not with there being the cross axle transfer gear box of balking, and it is characterized in that: the mode of transmission was provided with in the middle of this gearbox adopted, and it is made up of input transmission assembly, middle driving box assembly and output variable speed box assembly;
Described input transmission assembly comprises the input gearbox body, is provided with power input shaft and intermediate propeller shaft in the input gearbox body, is respectively equipped with the power input gear and the upper transfer gear of engagement on power input shaft and the intermediate propeller shaft;
Described middle driving box assembly comprises the middle driving box body, and intermediate propeller shaft extends in the middle driving box body from the input gearbox body;
Described output variable speed box assembly comprises the output variable speed casing; Intermediate propeller shaft extends to the output variable speed casing in middle transmission case body; Be provided with lower transmissioning gear on the intermediate propeller shaft in the output variable speed casing; The output variable speed casing also is provided with power take-off and revolves cutter drive shaft with milling, and mills to revolve cutter drive shaft and be provided with to mill and revolve the cutter travelling gear, and power take-off is provided with lower transmissioning gear, mill the power output gear that revolves the engagement of cutter travelling gear; Power take-off is arranged on the output variable speed casing through bearing and bearing enclosure seat, revolves to be provided with on the cutter drive shaft to mill and revolves the cutter assembly stretching out milling of output variable speed casing;
The two ends of described middle driving box body are fixedly connected with input gearbox body, output variable speed casing respectively.
2. tiller according to claim 1 is characterized in that with there not being the cross axle transfer gear box of balking: described milling revolved cutter drive shaft and is connected on the output variable speed casing through bearing and bearing enclosure seat.
3. tiller according to claim 2 is characterized in that with there not being the cross axle transfer gear box of balking: around bearing and bearing enclosure seat, be provided with to be fixed on and mill the retaining grass cover that revolves on the cutter drive shaft.
4. tiller according to claim 1 is characterized in that with there not being the cross axle transfer gear box of balking: mill revolve the cutter assembly by axle sleeve or shaft coupling and be installed in axle sleeve or shaft coupling on mill and revolve cutter and form.
5. tiller according to claim 4 is characterized in that with there not being the cross axle transfer gear box of balking: be provided with several install adjustment screws on the cutter drive shaft milling to revolve, on axle sleeve or shaft coupling, be provided with the install adjustment screw supporting with the install adjustment screw.
According to claim 4 or 5 described tillers with there not being the cross axle transfer gear box of balking, it is characterized in that: described milling revolved cutter shape setting in the shape of a spiral.
CN2012100720963A 2012-03-19 2012-03-19 Non-balk cross shaft transmission gearbox for cultivator Pending CN102577668A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100720963A CN102577668A (en) 2012-03-19 2012-03-19 Non-balk cross shaft transmission gearbox for cultivator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012100720963A CN102577668A (en) 2012-03-19 2012-03-19 Non-balk cross shaft transmission gearbox for cultivator

Publications (1)

Publication Number Publication Date
CN102577668A true CN102577668A (en) 2012-07-18

Family

ID=46467360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012100720963A Pending CN102577668A (en) 2012-03-19 2012-03-19 Non-balk cross shaft transmission gearbox for cultivator

Country Status (1)

Country Link
CN (1) CN102577668A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104041211A (en) * 2014-06-04 2014-09-17 南京沃杨机械科技有限公司 Central transmission middle end milling type dual-shaft layered cutting rotary tiller
CN106332581A (en) * 2016-08-23 2017-01-18 华南农业大学 Opener for omitted ploughing prevention

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000342004A (en) * 1999-06-07 2000-12-12 Yanmar Agricult Equip Co Ltd Tiller layout
CN2427040Y (en) * 2000-05-30 2001-04-25 上海市农业机械研究所 Rotary cultivator with positive-contrary spades
CN2932945Y (en) * 2006-03-18 2007-08-15 史孝华 Water and drought dual-purpose straw returning field preparation machine
CN201539537U (en) * 2009-11-24 2010-08-04 中国农业大学 a gearbox
CN202514254U (en) * 2012-03-19 2012-11-07 刘建 Non-missing cross shaft transmission gearbox for cultivator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000342004A (en) * 1999-06-07 2000-12-12 Yanmar Agricult Equip Co Ltd Tiller layout
CN2427040Y (en) * 2000-05-30 2001-04-25 上海市农业机械研究所 Rotary cultivator with positive-contrary spades
CN2932945Y (en) * 2006-03-18 2007-08-15 史孝华 Water and drought dual-purpose straw returning field preparation machine
CN201539537U (en) * 2009-11-24 2010-08-04 中国农业大学 a gearbox
CN202514254U (en) * 2012-03-19 2012-11-07 刘建 Non-missing cross shaft transmission gearbox for cultivator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104041211A (en) * 2014-06-04 2014-09-17 南京沃杨机械科技有限公司 Central transmission middle end milling type dual-shaft layered cutting rotary tiller
CN104041211B (en) * 2014-06-04 2016-03-02 南京沃杨机械科技有限公司 Vertical milling formula twin shaft layered cutting rotovator in the middle of central transmission
CN106332581A (en) * 2016-08-23 2017-01-18 华南农业大学 Opener for omitted ploughing prevention

Similar Documents

Publication Publication Date Title
CN205510738U (en) Case is extended to power
CN203072320U (en) Rotary type rotary cultivator
CN103718676A (en) Powder ridge machine with underneath type main transmission mechanism
CN203912467U (en) A kind of multifunction rotavator
CN102577668A (en) Non-balk cross shaft transmission gearbox for cultivator
CN202514254U (en) Non-missing cross shaft transmission gearbox for cultivator
CN104838743A (en) Micro-cultivation and weed burying machine
CN203181511U (en) Rotary tillage device capable of avoiding intermediate transmission incomplete tillage and leaked stubbles
CN202514264U (en) No-balk cross shaft drive soil-throwing and stubble-cleaning rotary cultivator
CN212013478U (en) Forward rotation and reverse rotation coaxial combination cutter shaft
CN108990527A (en) A kind of green manure crushing and returning to field machine
CN201087992Y (en) Transmission assembly of stubbing rotary tilling soil preparation machine
CN102577677B (en) No-missing cross shaft driven rotary cultivator with functions of soil casting and stubble cleaning
CN206602774U (en) A kind of deep ploughing machine
CN207639096U (en) A kind of vertical rotary tiller and its vertical type rotary tillage knife
CN217283961U (en) Parallel inter-row planetary gear train transmission combined weeding unit
CN201222848Y (en) Grinder type tillage machine
CN209462903U (en) Double shaft subsoiling rotary tillage ridge machine
CN206100833U (en) Through shaft type stubble -cleaning deep scarification land preparation machine
CN102783276B (en) Double-support buffer-transmission type and chain-transmission type multifunctional stubble-cleaning rotary tillers
CN102598902B (en) Cross-shaped shaft transmission soil throwing stubble ploughing subsoiling rotary cultivator without cultivation blank
CN211152637U (en) Efficient rotary cultivator transmission
CN102577665B (en) No-missing chain-driven rotary cultivator with functions of soil casting and stubble plowing
CN114766102A (en) Parallel inter-row planetary gear train transmission combined weeding unit
CN202617654U (en) Ditching and straw burying device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120718