CN104604449A - Straw returning device - Google Patents

Straw returning device Download PDF

Info

Publication number
CN104604449A
CN104604449A CN201510079615.2A CN201510079615A CN104604449A CN 104604449 A CN104604449 A CN 104604449A CN 201510079615 A CN201510079615 A CN 201510079615A CN 104604449 A CN104604449 A CN 104604449A
Authority
CN
China
Prior art keywords
returning device
blade
outer cover
stalk
dwang
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
CN201510079615.2A
Other languages
Chinese (zh)
Inventor
李阳铭
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.)
Guangxi Wufeng Machinery Co Ltd
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 CN201510079615.2A priority Critical patent/CN104604449A/en
Publication of CN104604449A publication Critical patent/CN104604449A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Landscapes

  • Threshing Machine Elements (AREA)

Abstract

The invention discloses a straw returning device which comprises an outer cover, a smashing structure and an air suction structure. The smashing structure and the air suction structure are mounted in the outer cover. The smashing structure comprises a rotary rod and a plurality of smashing cutters which are respectively disposed on the outer periphery of the rotary rod. The air suction structure is rotatably mounted in the outer cover. When the air suction structure rotates, negative pressure is formed in the outer cover to suck straw to the preset work range of the smashing cutters. The rotary rod can rotate relative to the outer cover so as to rotate the smashing cutters. The straw returning device has the advantages that the negative pressure is formed in the outer cover to suck the straw to the work range of the smashing cutters when the air suction structure rotates, the smashing cutters rotates at high speed along with the rotary rod so as to smash the straw, incineration is avoided, environments are protected, and the straw returning device is simple in structure and low in cost.

Description

A kind of stalk returning device
Technical field
The present invention relates to a kind of farm machinery, particularly relate to a kind of stalk returning device.
Background technology
In traditional agricultural production, crops, as scattered on the ground in having a large amount of stalks after the harvestings such as corn, cotton, rape, Chinese sorghum, paddy rice, wheat, stalk is needed to shift out field, with the plantation of next of obstruction free crops, but the process that shifts out of agricultural crop straw wastes time and energy in season, and the stalk be removed often is dropped or burns, cause the wasting of resources and air pollution nearby.For this reason, there is the stalk returning device of a lot of automation.
Be disclose a kind of tillage machine for recycling stalk to farmland in the Patent Application Publication in August 20 in 2008 as be 200810024456.6 applyings date at application number being 2008.3.21 publication date, and specifically disclose and comprise hanging device, intermediate gearing, gear, chain gearing, peeling knife, tailstock, strickle manipulation device, strickle assembly, press careless axis adjustment device and grass pressing wheel, described intermediate gearing is connected with hanging device, hanging device is connected with dynamic power machine, gear drives peeling knife by chain gearing, strickle assembly is arranged on tailstock by strickle manipulation device, grass pressing wheel is arranged on hanging device by the careless axis adjustment device of pressure, but, above complex structure, cost is high, and it is low by machinery driving efficiency.
Summary of the invention
In view of above content, be necessary to provide a kind of structure simple stalk returning device.
A kind of stalk returning device, include outer cover, be arranged on pulverizing structure in described outer cover and exhaust structure, described pulverizing structure includes dwang and some crushing knife tools, described some crushing knife tools are located at the periphery of described dwang respectively, described exhaust structure is rotatably installed in described outer cover, and in described outer cover, form negative pressure when rotating, stalk to be drawn to the default working range of described some crushing knife tools, described dwang can rotate relative to described outer cover, to rotate described some crushing knife tools.
Preferably, described exhaust structure includes swingle and some exhausting blades, described some exhausting blades are located at the periphery of described swingle respectively, described swingle can rotate relative to described outer cover, to drive described some exhausting blade rotation, described some exhausting blades form negative pressure, stalk to be drawn to the default working range of described some crushing knife tools when rotating in described outer cover.
Preferably, described some exhausting blades are evenly distributed on the periphery of described swingle, and arrange along the direction of the central shaft of parallel described swingle respectively.
Preferably, each exhausting blade includes root and bend, and described root is located on described dwang, and described bend extends to form from described root, and and angle between described root be obtuse angle.
Preferably, the root of adjacent two exhausting blades is mutually vertical.
Preferably, periphery each crushing knife tool corresponding of described dwang is provided with tool rest, and each crushing knife tool is fixed on corresponding tool rest.
Preferably, each crushing knife tool includes the first blade and second blade fixing with described first blade, described first blade and described second blade include tool arm and the cutter head with described tool arm one respectively, the tool arm of described first blade and the tool arm of described second blade are fitted, and be fixed on corresponding tool rest, the cutter head of described first blade extends along contrary direction with the cutter head of described second blade.
Preferably, the central shaft of described dwang and the central shaft of described swingle are parallel to each other.
Preferably, described stalk returning device also includes actuator, driving wheel, drive, the first driven pulley and the second driven pulley, and described actuator connects described driving wheel, and drives described driving wheel to rotate; Described driving wheel, described drive, described first driven pulley and described second driven pulley are arranged in order, and engage each other, and described first driven pulley connects described dwang, and described second driven pulley connects described swingle.
Preferably, described stalk returning device also includes and strikes off bar, described in strike off bar and be arranged on described outer cover.
Compared with prior art; in above-mentioned stalk returning device; exhaust structure forms negative pressure when rotating in outer cover; stalk is drawn to the working range of crushing knife tool by this negative pressure; crushing knife tool is with dwang High Rotation Speed crushing straw; thus remove burning from, protection of the environment, and this structure is simple, cost is low.
Accompanying drawing explanation
Fig. 1 is a three-dimensional assembly diagram of a better embodiment of stalk returning device of the present invention.
Fig. 2 is another visual angle figure of stalk returning device in Fig. 1.
Fig. 3 is a cutaway view of stalk returning device in Fig. 1.
Fig. 4 is a three-dimensional exploded view of stalk returning device in Fig. 1.
Fig. 5 is an enlarged drawing of V part in Fig. 4.
Main element symbol description
Stalk returning device 100
Outer cover 10
Drives structure 20
Exhaust structure 30
Pulverize structure 60
Strike off bar 70
Dwang 40
Crushing knife tool 50
Top board 11
First cover plate 12
Second cover plate 13
Header board 14
Rear plate 15
Side plate 16
Receiving space 17
Installing plate 121
Rotating hole 161
Rotation hole 162
Installation sheet 163
Pivoting hole 1631
Mounting shell 21
Actuator 22
Driving wheel 23
Drive 24
First driven pulley 25
Second driven pulley 26
Swingle 31
Exhausting blade 32
Column spinner 311
Root 321
Bend 322
Rotational Cylindrical 41
Tool rest 43
Locking plate 431
Installing plate 51
Blade 52
Tool arm 511
Cutter head 512
Pivot post 71
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 to Fig. 3, in a better embodiment of the present invention, a stalk returning device 100 includes an outer cover 10, and is arranged on drives structure 20, exhaust structure 30, on described outer cover 10 and pulverizes structure 60 and and strike off bar 70.Described pulverizing structure 60 includes a dwang 40 and some crushing knife tools 50.In the present embodiment, bar 70 is struck off described in for cylinder.Described stalk returning device 100, in order to pulverize various crops, as the stalk of corn, cotton, rape, Chinese sorghum, wheat, rice, weeds etc., and is arranged on a travelling platform, as tractor or Athey wheel etc.
Described outer cover 10 includes the rear plate 15 of top board 11,1 first cover plate 12,1 second cover plate 13, header board 14, one and biside plate 16.Described top board 11, described first cover plate 12, described second cover plate 13, described header board 14, described rear plate 15 and described biside plate 16 surround a receiving space 17 (see Fig. 3) jointly, and described receiving space 17 is in order to accommodate described exhaust structure 40, described pulverizing structure 60 and stalk.Described top board 11 is roughly parallel to the soil of planting various crops.Described first cover plate 12 and described second cover plate 13 are respectively from the downward-sloping extension in both sides relatively of described top board 11.Described header board 14 and described rear plate 15 extend to form downwards from described first cover plate 12 and described second cover plate 13 respectively.Described biside plate 16 lays respectively at the other both sides of described top board 11, and connects described first cover plate 12, described second cover plate 13, described header board 14 and described rear plate 15 respectively.In one embodiment, described first cover plate 12 and the angle of described second cover plate 13 respectively and between described top board 11 are obtuse angle, angle between described header board 14 and described first cover plate 12 is obtuse angle, and it is substantially vertical with described top board 11, angle between described rear plate 15 and described second cover plate 13 is obtuse angle, and substantially vertical with described top board 11, described both sides 16 are roughly parallel to each other.In addition, be also provided with stationary knife (not shown) in described outer cover 10, described stationary knife can cut off soft weeds.
One end of described first cover plate 12 is provided with an installing plate 121 near wherein side plate 16, and described installing plate 121 is in order to install described drives structure 20, and substantially vertical with described first cover plate 12.The corresponding described exhaust structure 40 of described biside plate 16 and described pulverizing structure 60 offer rotating hole 161 and a rotation hole 162 (see Fig. 4) respectively.Strike off bar 70 described in described biside plate 16 correspondence and be separately installed with an installation sheet 163, described installation sheet 163 near described header board 14, and offers a pivoting hole 1631 (see Fig. 4) respectively.Two installation sheets 163 are parallel to each other, and part exposes described header board 14.
Refer to Fig. 4, described drives structure 20 includes one and is arranged on mounting shell 21, actuator 22, driving wheel 23, drive 24,1 first driven pulley 25 on described outer cover 10 and one second driven pulley 26.Described actuator 22 is arranged on described installing plate 121, and is connected with described driving wheel 23, rotates in order to drive described driving wheel 23.Described driving wheel 23, described drive 24, described first driven pulley 25 and described second driven pulley 26 are arranged in order and are arranged in described mounting shell 21, and engage each other.Described first driven pulley 25 is connected with described dwang 40, and described second driven pulley 26 is connected with described exhaust structure 30.Described driving wheel 23 rotates and drives described drive 24 to rotate, and described drive 24 drives described first driven pulley 25 to rotate, thus rotates described dwang 40, and described second driven pulley 26 rotates with described first driven pulley 25, thus rotates described exhaust structure 40.In the present embodiment, described driving wheel 23, described drive 24, described first driven pulley 25 and described second driven pulley 26 are spur gear, and described actuator 22 is hydraulic motor.Described hydraulic motor is worked by hydraulic pump drive, further, hydraulic system is provided with between hydraulic pump and hydraulic motor, described hydraulic system comprises fuel tank, check valve, overflow valve and magnetic valve, under the effect of hydraulic pump, hydraulic oil flows to through fuel tank, check valve, overflow valve and magnetic valve and drives hydraulic motor work.
Please continue to refer to Fig. 4, described exhaust structure 30 includes a swingle 31 and some exhausting blades 32.Described swingle 31 roughly in cylinder, and is respectively equipped with a column spinner 311.Described column spinner 311 is rotatably installed in corresponding rotating hole 161, and wherein a column spinner 311 connects described second driven pulley 26.Described swingle 31 is roughly in cylinder, and distance between length and described biside plate 16 is roughly equal.Described some exhausting blades 32 are located at the periphery of described swingle 31 respectively, and are uniformly distributed.Preferably, described some exhausting blades 32 are arranged along the direction of the central shaft of parallel described swingle 31 respectively.Each exhausting blade 32 includes root 321 and a bend 322.Described bend 322 is bent to form from described root 321, and and angle between described root 321 be obtuse angle.In the present embodiment.The root 321 of adjacent two exhausting blades 32 is substantially vertical, and the length of each exhausting blade 32 is suitable with the length of described swingle 31.
Refer to Fig. 4 and Fig. 5, the two ends of described dwang 40 are respectively equipped with a Rotational Cylindrical 41, and described Rotational Cylindrical 41 is rotatably installed in corresponding rotation hole 162, and wherein a Rotational Cylindrical 41 connects described first driven pulley 25.In the present embodiment, described dwang 40 is in cylinder, and distance between length and described biside plate 16 is roughly equal.The periphery of described dwang 40 is provided with some tool rests 43, and the quantity of described some tool rests 43 is suitable with the quantity of described some crushing knife tools 50.Described some tool rests 43 are divided into four rows, and four row's tool rests 43 are located on the central axis direction of parallel described dwang 40 respectively.Each tool rest 43 includes two locking plates 431 be parallel to each other, and each locking plate 431 offers a lockhole (not shown).
Each crushing knife tool 50 includes one first blade 51 and one second blade 52.Described first blade 51 and described second blade 52 by weld or screw fixed form is fixed together, and include tool arm 511 and the cutter head 512 extended from described tool arm 511 respectively.The tool arm 511 of described first blade 51 fits together with the tool arm 511 of described second blade 52, and the central shaft of the vertical described dwang 40 of difference, the cutter head 512 of described first blade 51 extends in opposite direction with the cutter head 512 of described second blade 52.Described tool arm 511 offers a through hole (not shown) at the corresponding described lockhole in one end away from described cutter head 512.
Refer to Fig. 1-3, during assembling, described crushing knife tool 50 is between two locking plates 331 of a tool rest 33, and pass through locking part, lock corresponding lockhole and through hole as screw etc. and be arranged on corresponding tool rest 33, other crushing knife tool 50 is also fixed on corresponding tool rest 33 by identical mode.Described some crushing knife tools 50 are arranged on the periphery of described dwang 40 thus, and are arranged in four rows, and each crushing knife tool 50 arranged is arranged along the direction of the central shaft of parallel described dwang 40.In another embodiment, described some crushing knife tools 50 can arrange in the shape of a spiral.
The Rotational Cylindrical 41 at described dwang 40 two ends snaps in corresponding rotation hole 162 respectively, thus described dwang 40 rotation is fixed between described biside plate 16.At this moment, the central shaft of described dwang 40 is substantially vertical with described biside plate 16, and almost parallel with described top board 11.Described pulverizing structure 60 is fixed on described outer cover 10 thus, and with described top board 11, described first cover plate 12, described second cover plate 13, described header board 14 and described rear plate 15, there is default distance respectively, thus ensureing that described pulverizing structure 60 is in crushing straw process, described outer cover 10 has the space holding stalk.In addition, described crushing knife tool 50 part when turning to below described dwang 40 exposes described outer cover 10, thus kiss the earth, ensure effective crushing straw.
The column spinner 311 at described swingle 31 two ends inserts in the rotating hole 161 of described biside plate 16 respectively, thus is arranged on described outer cover 10 by described exhaust structure 30.At this moment, the central shaft of described swingle 31 is parallel with described top board 11, and substantially vertical with described biside plate 16.In addition, the central shaft of described swingle 31 is parallel with the central shaft of described dwang 40.
Described mounting shell 21 is arranged on side plate 16, and near described actuator 22.Described actuator 22 is arranged on the installing plate 121 of described outer cover 10, and is connected with described driving wheel 23.Described first driven pulley 25 is connected with a Rotational Cylindrical 41 of described dwang 40.Described second driven pulley 26 is connected with a column spinner 311 of described swingle 31.
The described pivot post 71 striking off bar 70 two ends snaps in the pivoting hole 1631 of two installation sheets 163 respectively, thus the described bar 70 that strikes off is rotated the front end being fixed on described header board 14.The described bar 70 that strikes off can rotate relative to described outer cover 10, can adjust the working depth of stalk returning device 100 on the one hand, can not quit work, the stalk of pulverizing can be raked on the one hand in addition because crushing knife tool 50 buries too dark.In the present embodiment, described in strike off bar 70 for cylinder, and central shaft is parallel to the central shaft of described dwang 40, with the stalk pulverized of effectively raking.
During crushing straw, described travelling platform work drives described stalk returning device 100 to move, simultaneously, described actuator 22 drives described driving wheel 23 to rotate, described driving wheel 23 drives described drive 24 to rotate, described first driven pulley 25 rotates with described drive 24, and drives described second driven pulley 26 to rotate.Described in described second driven pulley 26 rotating drive, swingle 31 rotates, and described some exhausting blades 32 rotate with described swingle 31, and in described outer cover 10, forms negative pressure when rotating, stalk to be drawn to the default working range of described some crushing knife tools 50.Described dwang 40 drives described some crushing knife tools 50 High Rotation Speed, described some crushing knife tool 50 crushing straw also fields, thus exempts burning, protection of the environment, and this structure is simple, cost is low.
In addition, by the flow direction of energy regulator solution force feed, thus reach the object adjusting hydraulic motor and turn to, make the adjustability of hydraulic motor very good, like this, be arranged on different positions according to stalk returning device 100, suitable adjustment hydraulic motor turns to, thus adjust turning to of described dwang 40, and then adjust turning to of crushing knife tool 50, make stalk returning device 100 operating efficiency higher.

Claims (10)

1. a stalk returning device, include outer cover and be arranged on the pulverizing structure in described outer cover, it is characterized in that: described stalk returning device also includes exhaust structure, described pulverizing structure includes dwang and some crushing knife tools, described some crushing knife tools are located at the periphery of described dwang respectively, described exhaust structure is rotatably installed in described outer cover, and in described outer cover, form negative pressure when rotating, stalk to be drawn to the default working range of described some crushing knife tools, described dwang can rotate relative to described outer cover, to rotate described some crushing knife tools.
2. stalk returning device as claimed in claim 1, it is characterized in that: described exhaust structure includes swingle and some exhausting blades, described some exhausting blades are located at the periphery of described swingle respectively, described swingle can rotate relative to described outer cover, to drive described some exhausting blade rotation, described some exhausting blades form negative pressure, stalk to be drawn to the default working range of described some crushing knife tools when rotating in described outer cover.
3. stalk returning device as claimed in claim 2, is characterized in that: described some exhausting blades are evenly distributed on the periphery of described swingle, and arranges along the direction of the central shaft of parallel described swingle respectively.
4. stalk returning device as claimed in claim 2, it is characterized in that: each exhausting blade includes root and bend, described root is located on described dwang, and described bend extends to form from described root, and and angle between described root be obtuse angle.
5. stalk returning device as claimed in claim 4, is characterized in that: the root of adjacent two exhausting blades is mutually vertical.
6. stalk returning device as claimed in claim 1, is characterized in that: periphery each crushing knife tool corresponding of described dwang is provided with tool rest, and each crushing knife tool is fixed on corresponding tool rest.
7. stalk returning device as claimed in claim 6, it is characterized in that: each crushing knife tool includes the first blade and second blade fixing with described first blade, described first blade and described second blade include tool arm and the cutter head with described tool arm one respectively, the tool arm of described first blade and the tool arm of described second blade are fitted, and be fixed on corresponding tool rest, the cutter head of described first blade extends along contrary direction with the cutter head of described second blade.
8. stalk returning device as claimed in claim 2, is characterized in that: the central shaft of described dwang and the central shaft of described swingle are parallel to each other.
9. stalk returning device as claimed in claim 2, it is characterized in that: described stalk returning device also includes actuator, driving wheel, drive, the first driven pulley and the second driven pulley, described actuator connects described driving wheel, and drives described driving wheel to rotate; Described driving wheel, described drive, described first driven pulley and described second driven pulley are arranged in order, and engage each other, and described first driven pulley connects described dwang, and described second driven pulley connects described swingle.
10. stalk returning device as claimed in claim 1, is characterized in that: described stalk returning device also includes and strikes off bar, described in strike off bar and be arranged on described outer cover.
CN201510079615.2A 2015-02-15 2015-02-15 Straw returning device Pending CN104604449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510079615.2A CN104604449A (en) 2015-02-15 2015-02-15 Straw returning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510079615.2A CN104604449A (en) 2015-02-15 2015-02-15 Straw returning device

Publications (1)

Publication Number Publication Date
CN104604449A true CN104604449A (en) 2015-05-13

Family

ID=53139328

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510079615.2A Pending CN104604449A (en) 2015-02-15 2015-02-15 Straw returning device

Country Status (1)

Country Link
CN (1) CN104604449A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104996092A (en) * 2015-06-23 2015-10-28 海南大学 Graded crushing type crushing-and-returning combined machine for banana straws and root stubbles
CN112715137A (en) * 2020-12-25 2021-04-30 海南大学 Radial guide wheel type banana straw smashing and returning machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2277170Y (en) * 1997-02-18 1998-04-01 山东省汶上县通用机械厂 Stalk returning machine
US20080000208A1 (en) * 2006-05-31 2008-01-03 Attachment Technologies Incorporated Cutter head with multiple mounts, bushing assembly and/or cooler assembly
CN201878548U (en) * 2010-12-22 2011-06-29 内蒙古蒙龙机械制造有限责任公司 Smashed straw strip collecting and laying device for corn harvester
CN202941170U (en) * 2012-11-23 2013-05-22 潍坊恒奈农机配件有限公司 Straw returning machine
CN104012252A (en) * 2014-06-06 2014-09-03 黑龙江红兴隆机械制造有限公司 Shredding cutter shaft with air drafting effect
CN204579200U (en) * 2015-02-15 2015-08-26 李阳铭 A kind of stalk returning device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2277170Y (en) * 1997-02-18 1998-04-01 山东省汶上县通用机械厂 Stalk returning machine
US20080000208A1 (en) * 2006-05-31 2008-01-03 Attachment Technologies Incorporated Cutter head with multiple mounts, bushing assembly and/or cooler assembly
CN201878548U (en) * 2010-12-22 2011-06-29 内蒙古蒙龙机械制造有限责任公司 Smashed straw strip collecting and laying device for corn harvester
CN202941170U (en) * 2012-11-23 2013-05-22 潍坊恒奈农机配件有限公司 Straw returning machine
CN104012252A (en) * 2014-06-06 2014-09-03 黑龙江红兴隆机械制造有限公司 Shredding cutter shaft with air drafting effect
CN204579200U (en) * 2015-02-15 2015-08-26 李阳铭 A kind of stalk returning device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104996092A (en) * 2015-06-23 2015-10-28 海南大学 Graded crushing type crushing-and-returning combined machine for banana straws and root stubbles
CN112715137A (en) * 2020-12-25 2021-04-30 海南大学 Radial guide wheel type banana straw smashing and returning machine
CN112715137B (en) * 2020-12-25 2021-12-03 海南大学 Radial guide wheel type banana straw smashing and returning machine

Similar Documents

Publication Publication Date Title
KR200492282Y1 (en) Rotabator
CN201450728U (en) Rotary tilling broken cutter device
CN102884888B (en) A kind of broken straw, clear straw, fertilising, sow, cover straw Multi-function equipments
CN204259375U (en) Combine
CN103718679A (en) Depth self-adjusting type corn inter-row weeding machine
CN102498824B (en) Sugar cane harvesting machine
CN201744383U (en) Tree branch grinder
CN104604447A (en) Straw returning device
CN204579200U (en) A kind of stalk returning device
CN2922431Y (en) Suspension-mounted type cotton-straw disintegrating lefting-in-field film raking machine
CN104604449A (en) Straw returning device
CN205408577U (en) Still field machine is smashed to crops rhizome leaf
CN202496211U (en) Climber cutting apparatus for ridging
CN105917763A (en) Rotary tillage device of rotary tiller
CN101589663B (en) Rotary cultivating cutting knife device
CN201479560U (en) Rippling and sowing combined working machine
CN103125213A (en) Machine for chopping and returning rice and wheat straw root stubbles into soil
CN204443177U (en) A kind of stalk returning device
CN106688347B (en) Weeding machine for dry crops
CN204579199U (en) A kind of stalk returning device
CN208210659U (en) A kind of buried machine ditching device of corn stover
CN204443175U (en) A kind of stalk returning device
CN204443176U (en) A kind of stalk returning device
CN1906993A (en) Machine for bruising stalks with rotary knives then spreading them on field used as organic base fertilizer
CN204907148U (en) Take many helixes to arrange straw harvester of formula blade subassembly

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20160519

Address after: 537500 Rongxian County Economic Development Zone, the Guangxi Zhuang Autonomous Region Industrial Road, No. 87 (Guangxi Feng Machinery Co., Ltd.) five

Applicant after: GUANGXI WUFENG MACHINERY CO., LTD.

Address before: Yuzhou District People's road 537000 the Guangxi Zhuang Autonomous Region Yulin City No. 398

Applicant before: Li Yangming

RJ01 Rejection of invention patent application after publication

Application publication date: 20150513

RJ01 Rejection of invention patent application after publication