CN209659962U - A kind of straw returning machine knife blade - Google Patents
A kind of straw returning machine knife blade Download PDFInfo
- Publication number
- CN209659962U CN209659962U CN201920372108.1U CN201920372108U CN209659962U CN 209659962 U CN209659962 U CN 209659962U CN 201920372108 U CN201920372108 U CN 201920372108U CN 209659962 U CN209659962 U CN 209659962U
- Authority
- CN
- China
- Prior art keywords
- knife
- piece
- blade
- tulwar
- straight
- 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.)
- Expired - Fee Related
Links
- 239000010902 straw Substances 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010009 beating Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 9
- 239000002689 soil Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Threshing Machine Elements (AREA)
Abstract
The utility model relates to a kind of straw returning machine knife blade, including operator axis, knife rest, knife handle and set of blades, the knife rest is fixed on operator axis, and the both ends of the knife handle pass through the hinged knife rest of pin shaft and set of blades respectively, and are fixed by split pin；The set of blades includes straight knife piece and two tulwar pieces, the tulwar piece is set to the two sides of straight knife piece, the front end of the tulwar piece is equipped with arc point of a knife, and the arc point of a knife is towards two lateral bends far from straight knife piece, and the blade direction of straight knife piece and tulwar piece is both facing to operative orientation.The utility model can reduce the native phenomenon of beating of blade, and it is good with the effect of breaking that stalk is crushed, and returning to the field is high-efficient, while the replacement of blade is more convenient.
Description
Technical field
The utility model relates to a kind of straw returning machine knife blades, belong to farming machinery apparatus field.
Background technique
Straw-returning is one of the important measures that current China promotes circular agriculture, has and saves people for clearing stalk
A large amount of works, save labour, the advantages that increasing the organic matter of soil, increase substantially grain yield, for save the energy,
Culture fertility, reduction pollution etc. are of great advantage, and then the quality of straw-returning is just at main problem, this with chopper in addition to matching
Outside the power of set, most of chopper has directly influenced the journey of chopper stalk crushing due to design unreasonable of its blade
The working efficiency of degree or chopper.Therefore, the design of returning to the field machine knife blade is a critically important factor.
Returning to the field machine knife blade is the main working parts of straw counters-field set.As received basis of the shape and parameter of blade to chopper
Amount and power consumption have a significant impact.To adapt to the needs for crushing all kinds of crop materials, a variety of types of domestic development in recent years
The blade of formula can substantially be summarized as three classes:
L-type blade, since blade and stalk joint part are more sharp, but processing is more thin, therefore, blade mill
Damage is fast, and intensity is not high；In farm work, since blade machining shape is L type, also it is easy to be damaged if encountering the hard object such as stone
Bad and blade maintenance difficult；
Hammer claw type blade into shape, intensity is big, the wear-resistant and service life is long.The adaptability of tool is strong, to the soft stalk of rice and wheat
Good smashing capability is all had with hard stalks such as corn, jowar, but since its energy storage when rotated is big, commonly used
In on large and medium-sized straw counters-field set, so that the application and popularizations of the blade have certain limitation；
Straight knife type blade is welded by three straight knife pieces, a lateral blade and casing group, so ought wherein breaks down
Replacement cost height and processing difficulties afterwards.
In addition, conventional tool can only shred stalk and the breaking that cannot bury, soil also needs there is also a main problem
Turning over again could sow, and field effect is poor, and corresponding site preparation power consumption is big.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of straw returning machine knife blade, the straw-returning machine knife
Piece is by the blade structure of three-stage, and can reduce blade beats native phenomenon, and stalk crushes, returning to the field efficiency good with the effect of breaking
Height, while the replacement of blade is more convenient.
The technical solution of the utility model is as follows: a kind of straw returning machine knife blade, including operator axis, knife rest, knife handle and knife
Piece group, the knife rest are fixed on operator axis, and the both ends of the knife handle pass through the hinged knife rest of pin shaft and set of blades respectively, and
It is fixed by split pin；
The set of blades includes straight knife piece and two tulwar pieces, and the tulwar piece is set to the two sides of straight knife piece, described curved
The front end of blade is equipped with arc point of a knife, two lateral bends of the arc point of a knife towards separate straight knife piece, the knife of straight knife piece and tulwar piece
Sword direction is both facing to operative orientation；The sword of the straight knife piece and the tulwar piece is while for zigzag sword.
Further, multiple pin holes is provided on the knife handle.
Further, the knife handle is double-layer structure, so that being generated between straight knife piece and two tulwar pieces by knife handle
One fixed spacing.
The utility model has the following beneficial effects:
1. whip formula structure is conducive to buffer, native phenomenon is beaten in reduction；It is bolted compared with, passes through the hinged knife handle of pin shaft and knife
Frame, so that blade has better flexibility, in the case that cutter encounters stone or soil is harder, three-section type set of blades is compared
More traditional two-segment type is more advantageous to the influence for reducing collision to blade, reduces loss, makes tractor when advancing by smaller
Resistance also avoids cutter and beats soil to reduce returning to the field efficiency；
2. having better stubble-cleaning effect；The warp architecture of cutter makes cutter do translational motion with equipment in rotation,
Resultant motion is trochoid motion, and its horizontal higher section of component velocity, in the distributed areas of five strands of stubbles of stalk；Cutter
Straw stubble is acted in a manner of the lashing of " Three-section whip " formula, it is broken to carry out abundant impact cutting to root stubble；
3. having stronger impact cutting crushing effect；Each blade uses tulwar formula blade, and compare straight knife type blade, tulwar
It is beveling when being released with stalk, active force is stronger, and crushing effect is more preferable with stronger impact cutting power.Cutting edge roundness part is to cut
Line form is buried, and helps to reduce resistance, and the linear velocity of chopper blade end can be improved.Point of a knife is using the formula knife that raises up
Point is optimal to hack type point of a knife, it is not easy to damage.Blade has waveform sawtooth, has the function of increasing pressure, so that straw
Stalk crushing is easier with breaking, and will not be blocked in operation；
4. by the design of pin shaft and split pin, in maintenance can very square other disassembly pin shaft, and only need pin shaft
It carries out dismantling the replacement that can be completed to broken blade group and knife handle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the side view of the utility model；
Appended drawing reference indicates in figure are as follows:
1, operator axis；
2, knife rest；
3, knife handle；31, pin hole；
4, set of blades；41, straight knife piece；42, tulwar piece；
5, pin shaft；51, split pin.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Referring to figures 1-3, a kind of straw returning machine knife blade, including operator axis 1, knife rest 2, knife handle 3 and set of blades 4, it is described
Knife rest 2 is fixed on operator axis 1, and the both ends of the knife handle 3 pass through the hinged knife rest 2 of pin shaft 5 and set of blades 4 respectively, and lead to
It is fixed to cross split pin 51；
The set of blades 4 includes straight knife piece 41 and two tulwar pieces 42, and the tulwar piece 42 is set to the two of straight knife piece 41
Side, the front end of the tulwar piece 42 are equipped with arc point of a knife, two lateral bends of the arc point of a knife towards separate straight knife piece 41, straight knife piece
41 and tulwar piece 42 blade direction both facing to operative orientation；The sword side of the straight knife piece 41 and the tulwar piece 42 is zigzag
Sword side.
The working principle of the utility model are as follows: operator axis 1 is fixed in the shaft of chopper, axis 1 of operating is with chopper
Shaft rotation, band movable knife rack 2, knife handle 3 and set of blades are rotated；By the zigzag sword side of set of blades 4 to straw stubble
Carry out impact cutting work；When encountering hard soil or stone, set of blades 4 and knife handle 3 because by the hinged reason meeting of pin shaft 5 and
When flick, complete buffering.
A kind of straw returning machine knife blade provided by the utility model, have it is following the utility model has the advantages that
1. whip formula structure is conducive to buffer, native phenomenon is beaten in reduction；It is bolted compared with, passes through hinged 3 He of knife handle of pin shaft 5
Knife rest 2, so that blade has better flexibility, in the case that cutter encounters stone or soil is harder, three-section type set of blades
It is more advantageous to the influence for reducing collision to blade compared to more traditional two-segment type, reduces loss, makes tractor when advancing by more
Small resistance also avoids cutter and beats soil to reduce returning to the field efficiency；
2. having better stubble-cleaning effect；The warp architecture of cutter makes cutter do translational motion with equipment in rotation,
Resultant motion is trochoid motion, and its horizontal higher section of component velocity, in the distributed areas of five strands of stubbles of stalk；Cutter
Straw stubble is acted in a manner of the lashing of " Three-section whip " formula, it is broken to carry out abundant impact cutting to root stubble；
3. having stronger impact cutting crushing effect；Each blade uses tulwar formula blade, and compare straight knife type blade, tulwar
It is beveling when being released with stalk, active force is stronger, and crushing effect is more preferable with stronger impact cutting power.Cutting edge roundness part is to cut
Line form is buried, and helps to reduce resistance, and the linear velocity of chopper blade end can be improved.Point of a knife is using the formula knife that raises up
Point is optimal to hack type point of a knife, it is not easy to damage.Blade has waveform sawtooth, has the function of increasing pressure, so that straw
Stalk crushing is easier with breaking, and will not be blocked in operation；
4. by the design of pin shaft 5 and split pin 51, in maintenance can very square other disassembly pin shaft 5, and only need by
Pin shaft 5 carries out dismantling the replacement that can be completed to broken blade group 4 and knife handle 3.
Further, multiple pin holes 31 is provided on the knife handle 3.
Seen from the above description, by the way that multiple pin holes 31 is arranged, the length of cutter can be freely adjusted, is adapted to different
Landform, ensure that stalk crushing effect, reduce cutter and beat native phenomenon.
Further, the knife handle 3 is double-layer structure, so that passing through knife handle between straight knife piece 41 and two tulwar pieces 42
3 generate a fixed spacing.
Seen from the above description, by the setting of double-deck 3 structure of knife handle, can make to have between straight knife piece 41 and tulwar piece 42
Certain interval, avoiding hypotelorism between straight knife piece 41 and tulwar piece 42 reduces working efficiency, influences straw-returning
Effect.
Embodiment one
A kind of straw returning machine knife blade as shown in FIG. 1 to FIG. 3, including operator axis 1, knife rest 2, knife handle 3 and set of blades 4, institute
Knife rest 2 to be stated to be fixed on operator axis 1, the both ends of the knife handle 3 pass through the hinged knife rest 2 of pin shaft 5 and set of blades 4 respectively, and
It is fixed by split pin 51；The set of blades 4 includes straight knife piece 41 and two tulwar pieces 42, and the tulwar piece 42 is set to straight knife
The two sides of piece 41, the front end of the tulwar piece 42 are equipped with arc point of a knife, two lateral bendings of the arc point of a knife towards separate straight knife piece 41
The blade direction of song, straight knife piece 41 and tulwar piece 42 is both facing to operative orientation；；The sword of the straight knife piece 41 and the tulwar piece 42
While for zigzag sword；Multiple pin holes 31 is provided on the knife handle 3；The knife handle 3 is double-layer structure, so that straight knife
A fixed spacing is generated by knife handle 3 between piece 41 and two tulwar pieces 42.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (3)
1. a kind of straw returning machine knife blade, it is characterised in that: including operator axis (1), knife rest (2), knife handle (3) and set of blades (4),
The knife rest (2) is fixed in operator axis (1), and the both ends of the knife handle (3) pass through the hinged knife rest (2) of pin shaft (5) respectively
It is and fixed by split pin (51) with set of blades (4)；
The set of blades (4) includes straight knife piece (41) and two tulwar pieces (42), and the tulwar piece (42) is set to straight knife piece
(41) two sides, the front end of the tulwar piece (42) are equipped with arc point of a knife, and the arc point of a knife is towards two far from straight knife piece (41)
The blade direction of lateral bend, straight knife piece (41) and tulwar piece (42) is both facing to operative orientation；The straight knife piece (41) and described curved
The sword of blade (42) is while for zigzag sword.
2. straw returning machine knife blade according to claim 1, it is characterised in that: be provided on the knife handle (3) multiple
Pin hole (31).
3. straw returning machine knife blade according to claim 1, it is characterised in that: the knife handle (3) is double-layer structure, is made
It obtains and generates a fixed spacing by knife handle (3) between straight knife piece (41) and two tulwar pieces (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372108.1U CN209659962U (en) | 2019-03-22 | 2019-03-22 | A kind of straw returning machine knife blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372108.1U CN209659962U (en) | 2019-03-22 | 2019-03-22 | A kind of straw returning machine knife blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209659962U true CN209659962U (en) | 2019-11-22 |
Family
ID=68572547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920372108.1U Expired - Fee Related CN209659962U (en) | 2019-03-22 | 2019-03-22 | A kind of straw returning machine knife blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209659962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117501966A (en) * | 2023-12-23 | 2024-02-06 | 黑龙江省农业机械工程科学研究院牡丹江分院 | Corn stalk returning crushing equipment |
-
2019
- 2019-03-22 CN CN201920372108.1U patent/CN209659962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117501966A (en) * | 2023-12-23 | 2024-02-06 | 黑龙江省农业机械工程科学研究院牡丹江分院 | Corn stalk returning crushing equipment |
| CN117501966B (en) * | 2023-12-23 | 2024-04-16 | 黑龙江省农业机械工程科学研究院牡丹江分院 | Corn stalk returning crushing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101422093B (en) | Stalk crushing returning and residual plastic film recovery combined machine | |
| CN203015481U (en) | Machine provided with flail knifes with cutting edges and used for crushing and returning banana stalk to field | |
| CN102726136A (en) | Novel straw smashing and film residue recycling machine | |
| CN209659962U (en) | A kind of straw returning machine knife blade | |
| CN103623892A (en) | Crushing machine | |
| CN2779835Y (en) | Leaf cutting device | |
| CN215379975U (en) | Herringbone chopping device of spike-stalk harvesting type corn harvester | |
| CN206413372U (en) | A kind of antiwind rotary blade assembly of rotary cultivator Special high-strength | |
| CN204811062U (en) | Still field machine is smashed to straw | |
| CN2930255Y (en) | Machine for straw crushing, stubble breaking and returning to farmland | |
| CN200966214Y (en) | Double-herringbone stubble cleaning, soil crushing and slurry lifting knife | |
| CN2932949Y (en) | Slurry-stirring blade for stubber-burying of paddy field | |
| CN209845730U (en) | Straw smashing and returning pulping knife roller assembly | |
| CN203635262U (en) | Crusher | |
| CN207443536U (en) | A kind of pickup of self-propelled reed baling press and disintegrating mechanism | |
| CN202496218U (en) | Rotary cutting type field straw chopper | |
| CN221468376U (en) | Straw crushing and returning machine | |
| CN201282663Y (en) | Machine for crushing straw of wheat and rice | |
| CN201491524U (en) | Cutting blade device for straw land returning machine | |
| CN204968573U (en) | Novel still field machine is smashed to straw | |
| CN109729817A (en) | A kind of straw chopping and returning beater | |
| CN209527071U (en) | Novel ridging cutter | |
| CN202340467U (en) | Sweet potato vine cutting crusher | |
| CN204466306U (en) | Self-propelled type straw collects bundling combine | |
| CN107278522A (en) | A kind of two-way crushing and returning to field machine and tillage machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210816 Address after: 266000 Qingdao University of Technology, No.777 Jialingjiang Road, Qingdao Economic and Technological Development Zone, Qingdao City, Shandong Province Patentee after: Qingdao University of Technology Patentee after: Shandong Academy of Agricultural Machinery Sciences Address before: 266555 School of mechanical engineering, University of science and technology, No. 777, Jialingjiang Road, Huangdao District, Qingdao, Shandong Province Patentee before: Qingdao University of Technology |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |