CN2509839Y - Straw harvesting-disintegrating composite drum for maize green fooder - Google Patents
Straw harvesting-disintegrating composite drum for maize green fooder Download PDFInfo
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- CN2509839Y CN2509839Y CN 01268842 CN01268842U CN2509839Y CN 2509839 Y CN2509839 Y CN 2509839Y CN 01268842 CN01268842 CN 01268842 CN 01268842 U CN01268842 U CN 01268842U CN 2509839 Y CN2509839 Y CN 2509839Y
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Abstract
The utility model provides a combined roller of a corn and soiling harvester for cutting and crushing straw, comprising a casing, stationary cutters, side boards and a moveable cutter roller body component, wherein the stationary cutters are fixed on the inner wall of the casing, the side boards are disposed at the two ends of the casing, the moveable cutter roller body component rotated by power is installed in the casing. A horizontal inlet is mounted in the front-lower portion of the casing of the casing and a horizontal outlet is disposed in the upper front of the casing. The utility model is characterized in that a moveable roller body is composed of a main shaft and a plurality of moveable cutter plates positioned on the main shaft. The movable cutter plate is arranged with pluralities of moveable cutters with a certain back slant angle. Further, the moveable cutters arranged on the moveable cutter plate sequentially backwards extend a certain angle from the left to right, and the angle is corresponded to the moveable cutters disposed on the moveable cutter plate. The stationary cutters are horizontally fixed on the front-upper portion of the casing via a stationary fixed board. The moveable cutters and the stationary cutters are combined to multi-surface cut the straw in the horizontal and vertical directions. By the smart combination of the moveable cutters and the stationary cutters, the utility model realizes the harvest and the multi-surface cutting of the straw. The utility model has the advantages of high cutting efficiency, homogeneous bearing force in the operating course, simple structure, low manufacture cost, sound property, and convenient popularization and application.
Description
Technical field
The utility model provides a kind of green corn feed harvester straw reaping, chopping composite roller, belongs to agricultural machinery technological field.
Background technology
Green corn feed harvester has to the row harvesting with not to row harvesting dual mode.To row harvesting mode, earlier with the disc cutter that rotates in opposite directions, after the corn stalk cutting, delivering to intake mechanism before the chopping cylinder by the clamping conveying mechanism again concentrates and gathers, deliver to chopping cylinder through feeding forced against conveyor structure then, after shredding by the cylinder cutting knife, under the effect of casting device, in jet pipe sprays into the wagon box that connects material of advancing synchronously with it.Because the cutting of this type of reaping machine, clamping are carried, feed, are shredded and finished by different parts respectively, complex structure, the machine entire length is big, cost height not only, and because fuselage is long, by the tractor-drawn operation, the unit radius of turn is big, need manually cut out the long edge of a field during use, tune so that unit is turned.Owing to adopt the row harvesting approach, tighter to the requirement of corn planting line-spacing, all of these factors taken together all makes applying of such green corn feed harvester restricted greatly in addition.
Not to row harvesting mode, adopt straw shift wheel and horizontal reciprocating knife to cooperate cutting, straw after the cutting is transported to by cutter rear portion, obliquely chain-and-harrow type conveyer and laterally concentrates screw feeder, by the front end that is transported to intake mechanism after concentrating screw feeder that it is concentrated, carry hold-down roller to send into chopping cylinder by the several of intake mechanism to feeding, interact and shred by the stationary knife of hobboing cutter uniform on the chopping cylinder and chopping cylinder porch, and under the effect of impelling plate, spray through jet pipe.Though this mode is good to the no requirement (NR) of corn planting line-spacing, transaction capabilities, complex structure, volume are more huge, and the cost height is difficult to large-scale popularization and uses.
Summary of the invention
The purpose of this utility model provide a kind of can overcome above-mentioned defective, simple in structure, cost is low, the green corn feed harvester straw reaping of function admirable, the chopping composite roller.
Comprise housing, be fixed on the stationary knife on the inner walls, form by the moving knife roll body of power driven rotary in the side plate at housing two ends and the housing, the front lower place of housing is provided with horizontal access, its back upper place is provided with Horizontal Exit, be characterised in that: the moving knife roll body comprises main shaft, be installed in a plurality of movable knife discs on the main shaft, the moving knife that many handles are certain back rake angle is installed on the movable knife disc, and the certain angle that lags successively of the moving knife on the movable knife disc from left to right, corresponding with the movable knife disc on the main shaft, many stationary knife is installed in the front upper place of housing through stationary knife fixed head level, moving knife and stationary knife are combined to form the multiaspect cutting to straw.
Described green corn feed harvester straw reaping, chopping composite roller, stationary knife adopts full sword Contraband shape, corresponding moving knife with it adopts 90 ° of straight tulwars of full sword, when the horizontal segment of moving knife passes the Contraband shape cutting belt of stationary knife, forms straw four sides cutting in the horizontal and vertical directions.
Described green corn feed harvester straw reaping, chopping composite roller, stationary knife adopts the oblique Contraband shape of full sword, promptly
Shape, corresponding moving knife with it are adopted the full sword oblique tulwar of inclination angle with stationary knife, when the tilting section of moving knife passes the oblique Contraband shape cutting belt of stationary knife, form the four sides cutting to straw.
Described green corn feed harvester straw reaping, chopping composite roller, stationary knife adopts full sword E shape, form inside and outside layer cutting belt, corresponding moving knife with it adopts 90 ° of straight tulwars of full sword, be divided into two kinds of rimmer knife and short swords, when the horizontal segment that fixed interval, the horizontal segment of short sword are passed Contraband shape internal layer cutting belt, the rimmer knife of stationary knife passes the outer cutting belt of the Contraband shape of stationary knife, form octahedral cutting to straw.
Described green corn feed harvester straw reaping, chopping composite roller, stationary knife adopts the oblique E shape of full sword, promptly
Shape, form inside and outside layer cutting belt, corresponding moving knife with it adopts the full sword oblique tulwar of inclination angle with stationary knife, be divided into two kinds of rimmer knife and short swords, fixed interval, when the tilting section that the tilting section of short sword passes oblique Contraband shape internal layer cutting belt, the rimmer knife of stationary knife passes the outer cutting belt of the oblique Contraband shape of stationary knife, form octahedral cutting to straw.
Described green corn feed harvester straw reaping, chopping composite roller, stationary knife is opposing in twos to be adjacent to, leave certain interval between the relative adjacent stationary knife of opening, setting up vertical little stationary knife and stationary knife fixed head therebetween is fixedly connected, two adjacent moving knife are installed in the both sides of movable knife disc, and vertical little stationary knife forms two cut surfaces between two moving knife and with the vertical section of two moving knife.
Described green corn feed harvester straw reaping, chopping composite roller, the same shape stationary knife that opening is opposite, opposing in twos be close to integrated, corresponding with it, bend towards that opposite moving knife is opposing in twos to be close to, integrated, be installed in the same side of movable knife disc.
Described green corn feed harvester straw reaping, chopping composite roller, are set up little vertical section and moving knife vertical section and are formed cut surface near moving knife vertical section place in the stationary knife section of having a down dip.
Green corn feed harvester straw reaping, chopping composite roller, stationary knife vertical section the first half is outwards outstanding, and its vertical section lower ends downward is extended.
Described green corn feed harvester straw reaping, chopping composite roller, main shaft is provided with spacer sleeve between adjacent movable knife disc.
Described green corn feed harvester straw reaping, chopping composite roller, the back rake angle of moving knife is between ° angle, 15 ° of angles to 35.
Its operation principle is: when actuating unit drives moving knife roll body high speed rotating, moving knife at first cuts off ground corn stalk from root, straw after the cutting continues to be subjected to the repeatedly cutting of moving knife in the process that dumps forward, because cutting drive, impact and the extracting effect of moving knife and follow-up moving knife thereof, straw continues to quicken to enter in the composite roller from horizontal access, until the front end of stationary knife group.Because special construction and interaction moving, stationary knife, when making straw under dynamic action, pass through stationary knife, be subjected to multifaceted level and perpendicular cuts, guarantee that chopping thoroughly, and because the certain angle that lags successively of the moving knife on the movable knife disc from left to right, so just make all moving, stationary knife combinations have the regular hour poor when implementing the stage construction cutting, guarantee that composite roller is stressed even in entire work process.Straw after the chopping is got rid of the composite roller of dishing out through Horizontal Exit, by the related device collection that connects material.This device structure is simple, and cost is low, function admirable, and its cutting quality can reach≤30mm segment 〉=95%, and results total loss rate＜3% can satisfy the requirement of corn stalk ensiling, and is easy to utilize.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the A-A cutaway view of middle composite roller embodiment illustrated in fig. 1;
Fig. 3～Fig. 7 is the structural representation of the utility model moving knife and stationary knife combination embodiment;
Fig. 8 is that the utility model stationary knife adopts full sword E shape, short sword and the rimmer knife structural representation at movable knife disc fixed interval embodiment;
Fig. 9 is the structural representation that the utility model stationary knife adopts full sword E shape, short sword, rimmer knife and stationary knife combination embodiment;
Figure 10 is the structural representation that the utility model stationary knife adopts full sword E shape, short sword, rimmer knife and stationary knife combination embodiment;
Figure 11～Figure 12 is the structural representation that the utility model stationary knife adopts the oblique Contraband shape of full sword, moving knife and stationary knife combination embodiment;
Figure 13～Figure 14 is the structural representation that the utility model stationary knife adopts the oblique E shape of full sword, moving knife and stationary knife combination embodiment;
Embodiment
1, housing 2, stationary knife 3, side plate 4, horizontal access 5, Horizontal Exit 6, main shaft 7, movable knife disc 8, moving knife 9, stationary knife fixed head 10, cutting belt 11, vertical little stationary knife 12, little vertical section 13, spacer sleeve 14, back-up block 15, shell 16, auger 17, attraction fan-type flinger 18, rimmer knife 19, short sword
In the embodiment shown in Fig. 1,2: housing 1 is fixed between the biside plate 3, many front upper place and level angles at 45 that stationary knife 2 are installed in housing 1 inwall through stationary knife fixed head 9 levels.Housing 1 is positioned at a section of stationary knife fixed head 9 fronts and is circular arc, be provided with horizontal access 4 to lowest part foremost from this section, so that straw enters, housing 1 be positioned at one section of stationary knife fixed head 9 back for straightway and level angle lapping at 45 obliquely, its back upper place is provided with Horizontal Exit 5 and spiral and pushes and attract fan impelling composite structure to be communicated with, main shaft 6 is through housing 1, its two ends are fixedly installed on the side plate 3 through bearing block, make high speed rotating by the actuating unit drive, be fixed with a plurality of movable knife discs 7 on the main shaft 6, main shaft 6 is provided with spacer sleeve 13 between adjacent movable knife disc 7, play the axial location effect, the moving knife 8 that many handles are 25 ° of back rake angles is installed on the movable knife disc 7, and the certain angle that lags successively of the moving knife 8 on the movable knife disc 7 from left to right, as 7 movable knife discs 7 are installed on the main shaft 6, be fixed with 8 moving knife 8 on each movable knife disc 7, then the moving knife 8 on 7 movable knife discs 7 lags 45 °/7 jiaos successively.Corresponding with the movable knife disc 7 on the main shaft 6, many stationary knife 2 is installed in the front upper place of housing 1 through stationary knife fixed head 9 levels, moving knife 8 and stationary knife 2 are combined to form the multiaspect cutting to straw.For increasing the intensity and the fastness of stationary knife 2, back and the stationary knife fixed head 9 of setting up back-up block 14 and stationary knife 2 vertical sections are fixedly connected, to strengthen the support fixation to stationary knife 2.Spiral pushes the shell 15 that attracts fan impelling composite structure to comprise to be communicated with the back upper place Horizontal Exit 5 of housing 1, level through the auger 16 of shell 15 and the attraction fan-type flinger 17 coaxial with it, the straw of composite roller chopping gets rid of through Horizontal Exit 5 and throws spiral and push and attract in the fan impelling composite structure, push to enter by auger 16 earlier and attract in the fan-type flinger 17, again through the fan propeller impelling of high speed rotating, spray in the connect material trailer or the bag that connects material by playpipe, finish harvesting, chopping, the charging of straw and collect.
In the embodiment shown in fig. 3: stationary knife 2 adopts full sword Contraband shape, its opening is towards a direction, leave certain interval between the adjacent stationary knife 2, corresponding moving knife 8 with it adopts 90 ° of straight tulwars of full sword, when the horizontal segment of moving knife 8 passes the Contraband shape cutting belt 10 of stationary knife 2, formation is to the four sides cutting of straw, i.e. horizontal resection between the horizontal segment blade on moving knife 8 horizontal segment front cutting edges and the stationary knife 2, horizontal resection under the moving knife 8 horizontal segment knife back between rib and 2 times horizontal segment blades of stationary knife, perpendicular cuts in the outer face of moving knife 8 horizontal segments and stationary knife 2 vertical sections between the blade, perpendicular cuts between the outer blade of moving knife 8 vertical section blades and adjacent stationary knife 2 vertical sections.
In the embodiment shown in fig. 4: stationary knife 2 adopts full sword Contraband shape, its opening is towards the symmetrical centre of main shaft 6, leave certain interval between the adjacent stationary knife 2, corresponding moving knife 8 with it adopts 90 ° of straight tulwars of full sword, when the horizontal segment of moving knife 8 passes the Contraband shape cutting belt 10 of stationary knife 2, formation is to the four sides cutting of straw, and incision principle is substantially with embodiment shown in Figure 3.
In the embodiment shown in fig. 5: stationary knife 2 adopts full sword Contraband shape, the opposing in twos stationary arrangement that is adjacent to, leave certain interval between the relative adjacent stationary knife 2 of opening, corresponding moving knife 8 with it adopts 90 ° of straight tulwars of full sword, when the horizontal segment of moving knife 8 passes the Contraband shape cutting belt 10 of stationary knife, formation is to the four sides cutting of straw, and incision principle is substantially with embodiment shown in Figure 3.Opposingly be adjacent to two fixing stationary knifes 2 and also can be integral type.
In the embodiment shown in fig. 6: stationary knife 2 adopts full sword Contraband shape, the opposing in twos stationary arrangement that is adjacent to, leave certain interval between the relative adjacent stationary knife 2 of opening, setting up vertical little stationary knife 11 therebetween is fixedly connected with stationary knife fixed head 9, two adjacent moving knife 8 are installed in the both sides of movable knife disc 7, vertical little stationary knife 11 forms two cut surfaces between two moving knife 8 and with the vertical section of two moving knife 8, incision principle is substantially with embodiment shown in Figure 3.
In the embodiment shown in fig. 7: stationary knife 2 adopts full sword Contraband shape, the opposing in twos stationary arrangement that is adjacent to does not leave the gap, corresponding moving knife 8 with it adopts 90 ° of straight tulwars of full sword, when the horizontal segment of moving knife 8 passes the Contraband shape cutting belt 10 of stationary knife, formation is to the four sides cutting of straw, and incision principle is substantially with embodiment shown in Figure 3.Opposingly be adjacent to two fixing stationary knifes 2 and can be integral type, two adjacent moving knife 8 also are integral type, i.e. T type.
In the embodiment shown in Fig. 8,9: stationary knife 2 adopts full sword E shape, forms inside and outside layer cutting belt 10, and corresponding rimmer knife 18 with it, short sword 19 all adopt 90 ° of straight tulwars of full sword, fixed interval, and wherein the horizontal segment of rimmer knife 18 is by the first half of E shape stationary knife 2
Shape, promptly cooperate cutting with outer cutting belt 10, the horizontal segment of short sword 19 is by the latter half Contraband shape of E shape stationary knife 2, promptly cooperate cutting with the internal layer cutting belt 10 of stationary knife 2, rimmer knife 18, short sword 18 alternately act on stationary knife 2 at interval, formation is to the octahedral cutting of straw, and incision principle is substantially with embodiment shown in Figure 3.
In the embodiment shown in fig. 10: stationary knife 2 adopts full sword E shape, its opening is towards the symmetrical centre of main shaft 6, leave certain interval between the adjacent stationary knife 2, corresponding short sword 19 with it, rimmer knife 18 all adopt 90 ° of straight tulwars of full sword, fixed interval, with stationary knife 2 effects, form the octahedral cutting to straw in turn, incision principle is substantially with embodiment shown in Figure 3.
In the embodiment shown in fig. 11: stationary knife 2 adopts the oblique Contraband shape of full sword, its opening is towards a direction, leave certain interval between the adjacent stationary knife 2, corresponding moving knife 8 with it adopts the full sword oblique tulwar of inclination angle with stationary knife 2,, set up little vertical section 12 and form cut surface near moving knife 8 vertical section places in stationary knife 2 sections of having a down dip, when the tilting section of moving knife 8 passes the oblique Contraband shape cutting belt 10 of stationary knife 2 with moving knife 8 vertical sections, formation is to the four sides cutting of straw, and incision principle is substantially with embodiment shown in Figure 3.
Embodiment shown in Figure 12 is substantially with embodiment shown in Figure 11, just moving knife 8 tilting section front cutting edges and adjacent stationary knife 2 sections of tilting are overlapped, make the bottom of moving knife 8 sections of tilting and the upper end of adjacent stationary knife 2 sections of having a down dip form one section cut surface, make the tilting section effective cutting length of adjacent two moving knife 8 end to end, thereby realize to the ground straw nothing leak harvesting, incision principle is substantially with embodiment shown in Figure 3.
Embodiment shown in Figure 13 is substantially with embodiment shown in Figure 11, just change the oblique Contraband shape of full sword stationary knife 2 into full sword oblique E shape, corresponding rimmer knife 18 with it, short sword 19 all adopt the oblique tulwar of full sword, fixed interval, and wherein the tilting section of rimmer knife 18 is by the first half of oblique E shape stationary knife 2
Shape promptly cooperates cutting with outer cutting belt 10, and the tilting section of short sword 19 is by the latter half of oblique E shape stationary knife 2
Shape forms the octahedral cutting to straw, and incision principle is substantially with embodiment shown in Figure 3.
Embodiment shown in Figure 14 is substantially with embodiment shown in Figure 13, just stationary knife 2 vertical section the first half are outwards outstanding, its vertical section lower ends downward is extended, when the tilting section of moving knife 8 passes the cutting belt 10 of stationary knife 2, the superiors' tilting section blade of the following blade of the section of having a down dip of its outside ledge and adjacent stationary knife 2 in line, this kind combination can realize that outer moving knife is that the nothing of 18 pairs of ground straws of rimmer knife is leaked harvesting.
Claims (11)
1, a kind of green corn feed harvester straw reaping, the chopping composite roller, comprise housing (1), be fixed on the stationary knife (2) on housing (1) inwall, form by the moving knife roll body of power driven rotary in the side plate (3) at housing (1) two ends and the housing (1), the front lower place of housing (1) is provided with horizontal access (4), its back upper place is provided with Horizontal Exit (5), be characterised in that: the moving knife roll body comprises main shaft (6), be installed in a plurality of movable knife discs (7) on the main shaft (6), the moving knife (8) that many handles are certain back rake angle is installed on the movable knife disc (7), and the certain angle that lags successively of the moving knife (8) on the movable knife disc (7) from left to right, corresponding with the movable knife disc (7) on the main shaft (6), many stationary knife (2) is installed in the front upper place of housing (1) through stationary knife fixed head (9) level, moving knife (8) and stationary knife (2) are combined to form the multiaspect cutting to straw.
2, green corn feed harvester straw reaping as claimed in claim 1, chopping composite roller, it is characterized in that: stationary knife (2) adopts full sword Contraband shape, corresponding moving knife with it (8) adopts 90 ° of straight tulwars of full sword, when the horizontal segment of moving knife (8) passes the Contraband shape cutting belt (10) of stationary knife (2), form four sides cutting to straw.
3, green corn feed harvester straw reaping as claimed in claim 1, chopping composite roller, it is characterized in that: stationary knife (2) adopts the oblique Contraband shape of full sword, promptly
Shape, corresponding moving knife with it (8) are adopted the full sword oblique tulwar of inclination angle with stationary knife, when the tilting section of moving knife (8) passes the oblique Contraband shape cutting belt (10) of stationary knife (2), form the four sides cutting to straw.
4, green corn feed harvester straw reaping as claimed in claim 1, chopping composite roller, it is characterized in that: stationary knife (2) adopts full sword E shape, form inside and outside layer cutting belt (10), corresponding moving knife with it (8) adopts 90 ° of straight tulwars of full sword, be divided into (19) two kinds of rimmer knife (18) and short swords, fixed interval, when the horizontal segment that the horizontal segment of short sword (19) passes Contraband shape internal layer cutting belt (10), the rimmer knife (18) of stationary knife (2) passes the outer cutting belt of Contraband shape (10) of stationary knife (2), form octahedral cutting to straw.
5, green corn feed harvester straw reaping as claimed in claim 1, chopping composite roller, it is characterized in that: stationary knife (2) adopts the oblique E shape of full sword, promptly
Shape, form inside and outside layer cutting belt (10), corresponding moving knife with it (8) adopts the oblique tulwar of full sword of the same stationary knife in inclination angle (2), be divided into (19) two kinds of rimmer knife (18) and short swords, fixed interval, when the tilting section that the tilting section of short sword (19) passes oblique Contraband shape internal layer cutting belt (10), the rimmer knife (18) of stationary knife (2) passes the outer cutting belt of oblique Contraband shape (10) of stationary knife (2), form octahedral cutting to straw.
6, as claim 2,3,4,5 described green corn feed harvester straw reapings, chopping composite roller, it is characterized in that: stationary knife (2) is opposing in twos to be adjacent to, leave certain interval between the relative adjacent stationary knife (2) of opening, setting up vertical little stationary knife (11) therebetween is fixedly connected with stationary knife fixed head (9), adjacent two moving knife (8) are installed in the both sides of movable knife disc (7), and vertical little stationary knife (11) is positioned between two moving knife (8) and forms two cut surfaces with the vertical section of two moving knife (8).
7, as claim 2,3,4,5 described green corn feed harvester straw reapings, chopping composite roller, it is characterized in that: the same shape stationary knife (2) that opening is opposite, opposing in twos be close to integrated, corresponding with it, bend towards that opposite moving knife (8) is opposing in twos to be close to, integrated, be installed in the same sides of movable knife disc (7).
8, as claim 3,5 described green corn feed harvester straw reapings, chopping composite roller, it is characterized in that: near moving knife (8) vertical section place, set up little vertical section (12) and form cut surface with moving knife (8) vertical section in stationary knife (2) section of having a down dip.
9, green corn feed harvester straw reaping as claimed in claim 5, chopping composite roller, it is characterized in that: stationary knife (2) vertical section the first half is outwards outstanding, and its vertical section lower ends downward is extended.
10, green corn feed harvester straw reaping as claimed in claim 1, chopping composite roller, it is characterized in that: main shaft (6) is provided with spacer sleeve (13) between adjacent movable knife disc (7).
11, green corn feed harvester straw reaping as claimed in claim 1, chopping composite roller, it is characterized in that: the back rake angle of moving knife (8) is between ° angle, 15 ° of angles to 35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268842 CN2509839Y (en) | 2001-12-01 | 2001-12-01 | Straw harvesting-disintegrating composite drum for maize green fooder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268842 CN2509839Y (en) | 2001-12-01 | 2001-12-01 | Straw harvesting-disintegrating composite drum for maize green fooder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2509839Y true CN2509839Y (en) | 2002-09-11 |
Family
ID=33674957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01268842 Expired - Fee Related CN2509839Y (en) | 2001-12-01 | 2001-12-01 | Straw harvesting-disintegrating composite drum for maize green fooder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2509839Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103621266A (en) * | 2013-11-25 | 2014-03-12 | 中国农业大学 | Silage silo material fetching head |
| CN107360807A (en) * | 2016-05-13 | 2017-11-21 | 勇猛机械股份有限公司 | The shredding mechanism of stalk debris after a kind of cropper threshing |
| CN110809994A (en) * | 2019-11-16 | 2020-02-21 | 石河子大学 | Chain-shearing type cotton straw crusher |
-
2001
- 2001-12-01 CN CN 01268842 patent/CN2509839Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103621266A (en) * | 2013-11-25 | 2014-03-12 | 中国农业大学 | Silage silo material fetching head |
| CN107360807A (en) * | 2016-05-13 | 2017-11-21 | 勇猛机械股份有限公司 | The shredding mechanism of stalk debris after a kind of cropper threshing |
| CN110809994A (en) * | 2019-11-16 | 2020-02-21 | 石河子大学 | Chain-shearing type cotton straw crusher |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |