CN112790021B - Hay cutting device for cow breeding - Google Patents
Hay cutting device for cow breeding Download PDFInfo
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- CN112790021B CN112790021B CN202110070564.2A CN202110070564A CN112790021B CN 112790021 B CN112790021 B CN 112790021B CN 202110070564 A CN202110070564 A CN 202110070564A CN 112790021 B CN112790021 B CN 112790021B
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/08—Cutting apparatus specially adapted for cutting hay, straw or the like having reciprocating knives
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/09—Details
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/09—Details
- A01F29/14—Drives
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention relates to the technical field of dairy cow breeding and discloses a hay cutting device for dairy cow breeding, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a support, the front side of the support is movably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a rotating roller, a conveying belt is sleeved on the outer wall of the rotating roller, the top of the bottom plate is fixedly provided with a power output mechanism, and the power output mechanism comprises a motor base. This hay cutting device is used in milk cow breeding, can also drive cutting mechanism through setting up of drive gear and driven gear and carry out work when can driving the conveyer belt transmission hay through the transmission of motor, compare people and saved a large amount of manpowers and material resources when using the plug-in strip to carry out the hay cutting, also promoted people's hay cutting efficiency in the very big degree simultaneously, also avoided needing two people to carry out the collaborative work and carry out the hay cutting, the hay cutting work for people has brought very big facility.
Description
Technical Field
The invention relates to the technical field of dairy cow breeding, in particular to a hay cutting device for dairy cow breeding.
Background
Animal husbandry refers to the process of producing animal products such as meat, eggs, milk, wool, cashmere, hide, silk and medicinal materials by adopting the physiological functions of animals such as livestock and poultry which are artificially fed and domesticated by human beings or wild animals such as deer, musk, fox, marten, otter and quail and converting pasture, feed and the like into animal energy through artificial feeding and breeding, and is an extremely important link for exchanging substances between human beings and the nature, and animal husbandry is an important part of agriculture and is combined with the planting industry as two major pillars of agricultural production.
In animal husbandry, the breed of milk cow is comparatively general, the milk source of making milk and marketing at china mainly comes from the milk cow plant, often need feed the hay to the milk cow in carrying out the milk cow breed process, but the hay often presses into the haystack for the convenience of collection and transportation and transports, this leads to people cutting the hay in the feed of making things convenient for the milk cow needs, the knife switch will cut the hay in the time need to split the haystack, need two people to cooperate just can carry out effectual cutting with the hay, people's cutting efficiency is extremely low, delayed the work of feeding of milk cow.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the hay cutting device for the dairy cow breeding, which has the advantage of high efficiency in hay cutting.
(II) technical scheme
In order to realize the purpose of high efficiency of hay cutting by the hay cutting device for cow breeding, the invention provides the following technical scheme: a hay cutting device for cow breeding comprises a base plate, wherein a support is fixedly connected to the top of the base plate, a rotating shaft is movably connected to the front face of the support, a rotating roller is fixedly connected to the outer wall of the rotating shaft, a conveying belt is sleeved on the outer wall of the rotating roller, a power output mechanism is fixedly installed on the top of the base plate and comprises a motor base, a mounting bolt is fixedly connected to the top of the motor base, a motor is fixedly connected to the top of the motor base, a driving wheel is fixedly connected to an output shaft of the motor through a coupler, a driving belt is sleeved on the outer wall of the driving wheel, a driven wheel is movably connected to the inner wall of the driving belt, a transmission gear is fixedly connected to the outer wall of the rotating shaft, a driven gear is meshed to the inner wall of the transmission gear, a driven shaft is fixedly connected to the inner wall of the driven gear, a partition board is fixedly connected to the top of the base plate, the top fixedly connected with mounting panel of bottom plate, one side fixedly connected with cutting mechanism of mounting panel, cutting mechanism includes the frame.
The inner wall of the frame is movably connected with a connecting shaft, the outer wall of the connecting shaft is fixedly connected with a traction wheel, the front side of the traction wheel is provided with a connecting groove which is an irregular connecting groove, the outer wall of the driven shaft is fixedly connected with a first connecting wheel, the outer wall of the first connecting wheel is sleeved with a connecting belt, the inner wall of the connecting belt is movably connected with a second connecting wheel, the inner wall of the second connecting wheel is fixedly connected with the outer wall of the connecting shaft, the outer wall of the second connecting wheel is movably connected with the first connecting wheel through the connecting belt, the inner wall of the connecting groove is movably connected with a bearing, the inner wall of the bearing is movably connected with a bolt, the outer wall of the bolt is provided with two cross rods, the number of the cross rods is two, the front sides of the two cross rods are both movably connected with a fixed pin, and the front side of the cross rod is movably connected with a movable pin I, the front of horizontal pole has the connecting rod through a swing joint of activity round pin, the one end swing joint of connecting rod has the activity round pin, the one end of connecting rod is equipped with the second cutting board through activity round pin swing joint, the positive swing joint of second cutting board has first connecting pin, the outer wall swing joint of first connecting pin has first cutting board, the front of first cutting board is provided with the second connecting pin, the quantity of first cutting board and the quantity of second cutting board are two, and all through second connecting pin swing joint between two first cutting boards and the second cutting board, the top of first cutting board is provided with cutting blade, the silo has been seted up in the front of frame.
Preferably, the top of the first cutting plate and the bottom of the second cutting plate are both provided with cutting blades, and the four cutting blades are all steel blades.
Preferably, two ends of the connecting shaft are respectively movably connected with the inner side wall of the frame, and the traction wheel is movably connected with the frame through the connecting shaft.
Preferably, the connecting groove is formed by splicing an annular groove and a linear groove, the shape and the size of the bearing are matched with those of the connecting groove, and the plug pin is movably connected with the traction wheel through the connecting groove and the bearing.
Preferably, the first cutting plate is movably connected with the second cutting plate through a first connecting pin, and the length of the first cutting plate is smaller than that of the second cutting plate.
Preferably, one end of the mounting bolt penetrates through the top of the motor base and the bottom of the motor base respectively and extends to the top of the bottom plate, and the motor is fixedly connected with the bottom plate through the mounting bolt and the motor base.
Preferably, the number of the material troughs is two, the two material troughs are respectively arranged on the front side of the frame and the back side of the frame, and the arrangement heights of the two material troughs are on the same horizontal plane.
Preferably, both ends of the fixing pin are respectively fixedly connected with the inner side wall of the frame, and the cross rod is movably connected with the frame through the fixing pin.
(III) advantageous effects
Compared with the prior art, the invention provides a hay cutting device for cow breeding, which has the following beneficial effects:
1. this hay cutting device is used in milk cow breeding, can also drive cutting mechanism through drive gear and driven gear's setting when can drive the conveyer belt transmission hay through the transmission of motor and carry out work, compare people and saved a large amount of manpowers and material resources when using the plug-in strip to carry out the hay cutting, people's hay cutting efficiency has also been promoted simultaneously in very big degree, it carries out the hay cutting to have also avoided needing two people to carry out collaborative work, the hay cutting work for people has brought very big facility, the driven shaft of driven gear inner wall setting can drive first connecting wheel and drive the second connecting wheel through connecting the belt and make the traction wheel rotate, the displacement can take place for the bolt that the bearing set up through the spread groove inner wall after the traction wheel rotates, and drive two horizontal poles and take place the change of angle around the fixed pin, and drive first cutting board and second cutting board around the movable pin motion and carry out reciprocating cross motion can be right to the movable pin motion through connecting rod and movable pin The hay is cut, simultaneously because the setting of two first cutting boards and two second cutting boards can effectually cut off the hay, the virtual disconnected condition can not take place, the cutting effect is also better, the hay after the cutting passes through the silo and drops, can collect and the work of feeding of milk cow, the setting of construction bolt can make the operational environment of motor safer simultaneously, can not take place not hard up condition because of the long-time load work of motor, this hay cutting device for milk cow breeding has increased the life in very big degree.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of a cutting blade according to the present invention in a closed state;
FIG. 3 is a schematic view of the frame and mounting plate structure of the present invention;
FIG. 4 is a schematic view of a fifth wheel according to the present invention;
FIG. 5 is a schematic view of the structure of the latch and the connecting wheel of the present invention;
FIG. 6 is a schematic view of the first connecting wheel and the second connecting wheel according to the present invention;
FIG. 7 is a schematic view of a cutting mechanism according to the present invention;
fig. 8 is a schematic view of a power take-off mechanism of the present invention.
In the figure: 1. a base plate; 2. a support; 3. a rotating shaft; 4. rotating the roller; 5. a conveyor belt; 6. a power take-off mechanism; 601. a motor base; 602. installing a bolt; 603. a motor; 604. a driving wheel; 605. a drive belt; 606. a driven wheel; 607. a transmission gear; 608. a driven gear; 609. a driven shaft; 7. a partition plate; 8. mounting a plate; 9. a cutting mechanism; 901. a frame; 902. a connecting shaft; 903. a traction wheel; 904. connecting grooves; 905. a first connecting wheel; 906. connecting a belt; 907. a second fifth wheel; 908. a bearing; 909. a bolt; 910. a cross bar; 911. a fixing pin; 912. a movable pin; 913. a connecting rod; 914. a first connecting pin; 915. a first cutting plate; 916. a cutting blade; 917. a second cutting board; 918. a second connecting pin; 919. a trough.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a hay cutting device for cow breeding comprises a base plate 1, a support 2 is fixedly connected to the top of the base plate 1, a rotating shaft 3 is movably connected to the front of the support 2, a rotating roller 4 is fixedly connected to the outer wall of the rotating shaft 3, a conveyor belt 5 is sleeved on the outer wall of the rotating roller 4, a power output mechanism 6 is fixedly installed at the top of the base plate 1, the power output mechanism 6 comprises a motor base 601, a mounting bolt 602 is fixedly connected to the top of the motor base 601, a motor 603 is fixedly connected to the top of the motor base 601, an output shaft of the motor 603 is fixedly connected to a driving wheel 604 through a coupling, a driving belt 605 is sleeved on the outer wall of the driving wheel 604, a driven wheel 606 is movably connected to the inner wall of the driving belt 605, a transmission gear 607 is fixedly connected to the outer wall of the rotating shaft 3, a driven gear 608 is engaged with the inner wall of the transmission gear 607, a driven shaft 609 is fixedly connected to the inner wall of the driven gear 608, the top fixedly connected with baffle 7 of bottom plate 1, the top fixedly connected with mounting panel 8 of bottom plate 1, one side fixedly connected with cutting mechanism 9 of mounting panel 8, cutting mechanism 9 includes frame 901.
The inner wall of the frame 901 is movably connected with a connecting shaft 902, the outer wall of the connecting shaft 902 is fixedly connected with a traction wheel 903, the front face of the traction wheel 903 is provided with a connecting groove 904, the connecting groove 904 is an irregular connecting groove driven shaft 609, the outer wall of the first connecting wheel 905 is fixedly connected with a first connecting wheel 905, the outer wall of the first connecting wheel 905 is sleeved with a connecting belt 906, the inner wall of the connecting belt 906 is movably connected with a second connecting wheel 907, the inner wall of the second connecting wheel 907 is fixedly connected with the outer wall of the connecting shaft 902, the outer wall of the second connecting wheel 907 is movably connected with the first connecting wheel 905 through the connecting belt 906, the inner wall of the connecting groove 904 is movably connected with a bearing 909, the inner wall of the bearing 908 is movably connected with a bolt, the outer wall of the bolt 909 is provided with two cross bars 910, the front faces of the two cross bars 910 are both movably connected with a fixed pin 911, the front face of the cross bar 910 is movably connected with a movable pin one, the front face of the cross bar 910 is movably connected with a connecting rod 913 through a movable pin one, one end swing joint of connecting rod 913 has activity round pin 912, the one end of connecting rod 913 is equipped with second cutting board 917 through activity round pin 912 activity cover, the positive swing joint of second cutting board 917 has first connecting pin 914, the outer wall swing joint of first connecting pin 914 has first cutting board 915, the front of first cutting board 915 is provided with second connecting pin 918, the quantity of first cutting board 915 and the quantity of second cutting board 917 are two, and all through second connecting pin 918 swing joint between two first cutting boards 915 and the second cutting board 917, the top of first cutting board 915 is provided with cutting blade 916, silo 919 has been seted up in the front of frame 901.
In this embodiment, the top of first cutting board 915 and the bottom of second cutting board 917 all are provided with cutting blade 916, and four cutting blades 916 are the steel blade, through the setting of steel blade, can be at utmost increase cutting blade 916's cutting effect, also increased cutting blade 916's life, compared the iron blade and also avoided because the short-term condition of rustting that does not use, the result of use is better.
In this embodiment, two ends of the connecting shaft 902 are movably connected to the inner sidewall of the frame 901, respectively, and the traction wheel 903 is movably connected to the frame 901 through the connecting shaft 902.
In this embodiment, the connection groove 904 is formed by splicing an annular groove and a linear groove, the shape and size of the bearing 908 are matched with those of the connection groove 904, and the plug 909 is movably connected with the traction wheel 903 through the connection groove 904 and the bearing 908.
In this embodiment, the first cutting plate 915 is movably connected to the second cutting plate 917 via the first connecting pin 914, and the length of the first cutting plate 915 is smaller than that of the second cutting plate 917.
In this embodiment, the one end of construction bolt 602 runs through the top of motor cabinet 601 and the bottom of motor cabinet 601 respectively and extends to the top of bottom plate 1, and motor 603 passes through construction bolt 602 and motor cabinet 601 and bottom plate 1 fixed connection, and the setting of construction bolt 602 can make the operational environment of motor 603 safer, can not take place not hard up condition because of the long-time load work of motor 603, has increased this hay cutting device for cow breeding's life to a great extent.
In this embodiment, the number of the troughs 919 is two, the two troughs 919 are respectively arranged on the front side of the frame 901 and the back side of the frame 901, the heights of the two troughs 919 are on the same horizontal plane, and the troughs 919 facilitate feeding and discharging work of people in daily use.
In this embodiment, the both ends of fixed pin 911 respectively with the inside wall fixed connection of frame 901, and horizontal pole 910 is through fixed pin 911 and frame 901 swing joint, can also drive cutting mechanism 9 through setting up of drive gear 607 and driven gear 608 when can drive 5 transmission hay of conveyer belt through the transmission of motor 603 and carry out work, compare people and saved a large amount of manpower and material resources when using the plug-in strip to carry out the hay cutting, people's hay cutting efficiency has also been promoted in the very big degree simultaneously, also avoided needing two people to carry out the collaborative work and carry out the hay cutting, the hay cutting work for people has brought very big facility.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
To sum up, this hay cutting device for cow breeding, compare people and saved a large amount of manpowers and material resources when using the plug-in strip to carry out the hay cutting, people's hay cutting efficiency has also been promoted in the very big degree simultaneously, it carries out the hay cutting also to have avoided needing two people to carry out the collaborative work, very big facility has been brought for people's hay cutting work, the operational environment that simultaneously mounting bolt 602's setting can make motor 603 is safer, can not take place not hard up condition because of the long-time load work of motor 603, this hay cutting device for cow breeding has increased the life in the very big degree.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hay cutting device for cow breeding, includes bottom plate (1), its characterized in that: the top of the base plate (1) is fixedly connected with a support (2), the front face of the support (2) is movably connected with a rotating shaft (3), the outer wall of the rotating shaft (3) is fixedly connected with a rotating roller (4), the outer wall of the rotating roller (4) is sleeved with a conveying belt (5), the top of the base plate (1) is fixedly provided with a power output mechanism (6), the power output mechanism (6) comprises a motor base (601), the top of the motor base (601) is fixedly connected with a mounting bolt (602), the top of the motor base (601) is fixedly connected with a motor (603), an output shaft of the motor (603) is fixedly connected with a driving wheel (604) through a coupler, the outer wall of the driving wheel (604) is sleeved with a driving belt (605), the inner wall of the driving belt (605) is movably connected with a driven wheel (606), and the outer wall of the rotating shaft (3) is fixedly connected with a transmission gear (607), a driven gear (608) is meshed with the inner wall of the transmission gear (607), a driven shaft (609) is fixedly connected to the inner wall of the driven gear (608), a partition plate (7) is fixedly connected to the top of the bottom plate (1), a mounting plate (8) is fixedly connected to the top of the bottom plate (1), a cutting mechanism (9) is fixedly connected to one side of the mounting plate (8), and the cutting mechanism (9) comprises a frame (901);
the inner wall of the frame (901) is movably connected with a connecting shaft (902), the outer wall of the connecting shaft (902) is fixedly connected with a traction wheel (903), the front surface of the traction wheel (903) is provided with a connecting groove (904), the connecting groove (904) is an irregular connecting groove, the outer wall of the driven shaft (609) is fixedly connected with a first connecting wheel (905), the outer wall of the first connecting wheel (905) is sleeved with a connecting belt (906), the inner wall of the connecting belt (906) is movably connected with a second connecting wheel (907), the inner wall of the second connecting wheel (907) is fixedly connected with the outer wall of the connecting shaft (902), the outer wall of the second connecting wheel (907) is movably connected with the first connecting wheel (905) through the connecting belt (906), the inner wall of the connecting groove (904) is movably connected with a bearing (908), and the inner wall of the bearing (908) is movably connected with a bolt (909), the outer wall of the bolt (909) is provided with two cross rods (910), the number of the cross rods (910) is two, the front surfaces of the two cross rods (910) are movably connected with fixing pins (911), the front surfaces of the two cross rods (910) are respectively provided with a first movable pin, the outer wall of the first movable pin is movably connected with a connecting rod (913), one end of the connecting rod (913) is movably sleeved with a second cutting plate (917) through the movable pin (912), the front surface of the second cutting plate (917) is movably connected with a first connecting pin (914), the outer wall of the first connecting pin (914) is movably connected with a first cutting plate (915), the front surface of the first cutting plate (915) is provided with a second connecting pin (918), the number of the first cutting plate (915) and the number of the second cutting plate (917) are respectively two, and the two first cutting plates (915) and the second cutting plate (917) are movably connected through the second connecting pin (918), a cutting blade (916) is arranged at the top of the first cutting plate (915), and a trough (919) is formed in the front face of the frame (901).
2. The hay cutting device for cow breeding according to claim 1, characterized in that: the top of the first cutting plate (915) and the bottom of the second cutting plate (917) are both provided with cutting blades (916), and the four cutting blades (916) are all steel blades.
3. The hay cutting device for cow breeding according to claim 1, characterized in that: two ends of the connecting shaft (902) are movably connected with the inner side wall of the frame (901) respectively, and the traction wheel (903) is movably connected with the frame (901) through the connecting shaft (902).
4. The hay cutting device for cow breeding according to claim 1, characterized in that: the connecting groove (904) is formed by splicing an annular groove and a linear groove, the shape and the size of the bearing (908) are matched with those of the connecting groove (904), and the inserted pin (909) is movably connected with the traction wheel (903) through the connecting groove (904) and the bearing (908).
5. The hay cutting device for cow breeding according to claim 1, characterized in that: the first cutting plate (915) is movably connected with the second cutting plate (917) through a first connecting pin (914), and the length of the first cutting plate (915) is smaller than that of the second cutting plate (917).
6. The hay cutting device for cow breeding according to claim 1, characterized in that: one end of the mounting bolt (602) penetrates through the top of the motor base (601) and the bottom of the motor base (601) respectively and extends to the top of the bottom plate (1), and the motor (603) is fixedly connected with the bottom plate (1) through the mounting bolt (602) and the motor base (601).
7. The hay cutting device for cow breeding according to claim 1, characterized in that: the number of the troughs (919) is two, the two troughs (919) are respectively arranged on the front side of the frame (901) and the back side of the frame (901), and the arrangement heights of the two troughs (919) are on the same horizontal plane.
8. The hay cutting device for cow breeding according to claim 1, characterized in that: the two ends of the fixing pin (911) are respectively fixedly connected with the inner side wall of the frame (901), and the cross rod (910) is movably connected with the frame (901) through the fixing pin (911).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070564.2A CN112790021B (en) | 2021-01-19 | 2021-01-19 | Hay cutting device for cow breeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070564.2A CN112790021B (en) | 2021-01-19 | 2021-01-19 | Hay cutting device for cow breeding |
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| Publication Number | Publication Date |
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| CN112790021A CN112790021A (en) | 2021-05-14 |
| CN112790021B true CN112790021B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110070564.2A Active CN112790021B (en) | 2021-01-19 | 2021-01-19 | Hay cutting device for cow breeding |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200364103Y1 (en) * | 2004-06-29 | 2004-10-11 | 박노식 | Chaff cutter |
| KR20120065665A (en) * | 2010-12-13 | 2012-06-21 | 박영일 | Cutting device for rice-straw |
| CN207869768U (en) * | 2017-12-21 | 2018-09-18 | 许昌大地实业有限公司 | A kind of automatic straw cutter structure |
| CN211430152U (en) * | 2019-09-02 | 2020-09-08 | 赵红美 | Quick grass chopping device for animal husbandry |
| CN211297734U (en) * | 2019-10-22 | 2020-08-21 | 徐州全众电子科技有限公司 | Poultry is with fresh forage processing with blank device |
| CN212034940U (en) * | 2020-03-27 | 2020-12-01 | 梁德胜 | Forage cutting device for animal husbandry |
| CN212087093U (en) * | 2020-04-23 | 2020-12-08 | 张鹏 | Reciprocating type forage grass cutting device |
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