CN205142891U - Two roller crushing -type maize headers draw stem roller - Google Patents
Two roller crushing -type maize headers draw stem roller Download PDFInfo
- Publication number
- CN205142891U CN205142891U CN201520956644.8U CN201520956644U CN205142891U CN 205142891 U CN205142891 U CN 205142891U CN 201520956644 U CN201520956644 U CN 201520956644U CN 205142891 U CN205142891 U CN 205142891U
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- China
- Prior art keywords
- roller
- installation shaft
- roller cutter
- cutter installation
- sheets
- Prior art date
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- Withdrawn - After Issue
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Abstract
The utility model provides a two roller crushing -type maize headers draw stem roller, belongs to agricultural machine technical field. It provides one kind can pluck the ear of grain, crushing operation in an organic whole of straw with the maize, and the straw cuts up, and length can reach and the two roller crushing -type maize headers draw stem roller of field standard. 34 within ranges that spiral head one end to a roller sword installation axle length was introduced by the straw to roller sword on the roller sword installation axle no. 1 are many forward helixes arranges, and roller sword on the roller sword installation axle no. 1 is many contrahelical lines by 14 within ranges of connecting seat one end to a roller sword installation axle length and arranges, 34 within ranges that two length on spiral head one end to the roller sword installation axle were introduced by the straw to roller sword on the roller sword installation axle no. 2 are many contrahelical lines arranges, and roller sword on the roller sword installation axle no. 2 is many forward helixes by 14 within ranges of two length on connecting seat one end to the roller sword installation axle and arranges, roller sword installation axle no. 1 meshes with the roller piece of roller sword installation axle no. 2 mutually. The utility model discloses install on the maize cutting machine for the ear of grain is plucked to the maize, the straw is smashed.
Description
Technical field
The utility model relates to agricultural machinery technological field, particularly relates to a kind of corn harvesting bench stem pulling roller.
Background technology
Corn is one of large crop of China three, mostly adopts corn picker during harvesting corn.Stem pulling roller is workpiece conventional in corn picker corn snapping unit, and it orders about corncob with harvesting plate cooperating and is separated with stem stalk.
Chopping operation for maize straw generally adopts following several mode: a kind ofly adopt common stem pulling roller, because it has the effect of downward tractive stem stalk, after corncob results, stem stalk is still in a whole bar, the object that straw chopping apparatus just can reach also field must be set up in addition on grain header, and stalk crasher complex structure, power consumption are large, add the operating cost of grain header; Another kind of employing blade type stem pulling roller, it moves down with blade clamping stem stalk, and can be cut off by stem stalk by machine in due course, but this stem pulling roller is in operation process, stem stalk easily cuts off by blade in advance, and can not provide larger tractive force to stem stalk, finally causes harvesting can not be successful.Also have a kind of operating type to be after harvesting, stalk carries out secondary chopping, and harvesting cost is high.
Because prior art stalks cutting length cannot ensure, do not reach the standard in also field, so peasant is direct by crop straw burning after results substantially, so not only causes the waste of resource, also pollute environment.
Summary of the invention
For the problems referred to above, the utility model provides one can by corn picker, crushed stalk operation in one, and stalks cutting length can reach two rollers breaking corn harvesting bench stem pulling roller of also field standard.
Technical solution adopted in the utility model is: a kind of two roller breaking corn harvesting bench stem pulling roller, comprise two roller cutter installation shaft, multiple spacer sleeve, two Connection Blocks and multiple roller sheet, described two roller cutter installation shaft are roller cutter installation shaft one and roller cutter installation shaft two respectively, one end of roller cutter installation shaft described in every root is equipped with stalk and introduces spiral head, the stalk introducing spiral head rotation direction of described two roller cutter installation shaft is contrary, the other end of two roller cutter installation shaft is all fixed with Connection Block, every root roller cutter installation shaft is closely set with multiple roller sheet respectively, every root roller cutter installation shaft is often being set with a roller cutter installation shaft spacer sleeve between adjacent two roller sheets, each described roller sheet comprises annular flat blade cutter and multiple roller cutter, uniformly on the outer circumference surface of described annular flat blade cutter be provided with multiple roller cutter, the roller cutter being closely sleeved on the multiple roller sheets in described roller cutter installation shaft one is introduced in many transport screw lines arrangements in spiral head one end to 3/4 scope of roller cutter installation shaft one length by stalk, and the roller cutter being closely sleeved on the roller sheet in roller cutter installation shaft one is arranged in many reverse acting spiral lines by Connection Block one end to 1/4 scope of roller cutter installation shaft one length,
The roller cutter being closely sleeved on the multiple roller sheets in described roller cutter installation shaft two is introduced in many reverse acting spiral lines arrangements in spiral head one end to 3/4 scope of roller cutter installation shaft two length by stalk, and the roller cutter being closely sleeved on the roller sheet in roller cutter installation shaft two is arranged in many transport screw lines by Connection Block one end to 1/4 scope of roller cutter installation shaft two length;
Multiple roller sheets of two roller cutter installation shaft shift to install successively, and the multiple roller sheets be closely sleeved in two installation shaft are meshed, and during engagement, the annular flat blade cutter part being closely sleeved on the multiple roller sheets in two roller cutter installation shaft overlaps.
The beneficial effects of the utility model are:
1. the roller cutter of two roller cutter installation shaft top roll sheets is the linear formula arrangement of forward-reverse spiral, strengthens stem drawing force, shears, extrudes, tears, effectively control the operation attitude of stalk, enhance operating efficiency while stem pulling to stalk.The cornstalk do not shredded if having, can make cornstalk be stuck in the position that in two roller cutter installation shaft, rotation direction changes, and then can proceed to shred operation, ensure the chopping length of stalk, make stalks cutting field effect good.
2. stripper board can remove other the assorted excess bodies outside corn ear.
3. each stem pulling roller monomer consumption power of the present utility model is 3kw-5kw, has operating cost low, compares save oil consumption 30%, crushed stalk is effective, grinding particle size is not more than 30mm advantage with traditional stalk crasher.
Accompanying drawing explanation
Fig. 1: the utility model structural representation;
Fig. 2: the utility model front view;
The A-A cutaway view of Fig. 3: Fig. 2;
Fig. 4: blade and the axis of roller cutter installation shaft of the roller cutter of roller sheet are identical acute angle structural representation when arranging;
Fig. 5: the structural representation when blade of the roller cutter of roller sheet and the axis being parallel of roller cutter installation shaft are arranged;
Fig. 6: the utility model is arranged on the structural representation on corn harvesting bench;
Wherein: 1-roller cutter installation shaft; 1-1-roller cutter installation shaft one; 1-2-roller cutter installation shaft two; 2-spacer sleeve; 3-Connection Block; 4-stalk introduces spiral head; 5-roller sheet; 5-1 annular flat blade cutter; 5-2 roller cutter; 6-stripper board; 7-bearing block; 8-gearbox; Standing grain pawl dialled by 9-chain.
Embodiment
As shown in Fig. 1 ~ Fig. 6, a kind of two roller breaking corn harvesting bench stem pulling roller, comprise two roller cutter installation shaft 1, multiple spacer sleeve 2, two Connection Blocks 3 and multiple roller sheet 5, described two roller cutter installation shaft 1 are roller cutter installation shaft one 1-1 and roller cutter installation shaft two 1-2 respectively, one end of roller cutter installation shaft 1 described in every root is equipped with stalk and introduces spiral head 4, stalk introducing spiral head 4 rotation direction of described two roller cutter installation shaft 1 is contrary, the other end of two roller cutter installation shaft 1 is all fixed with Connection Block 3, every root roller cutter installation shaft 1 is closely set with multiple roller sheet 5 respectively, every root roller cutter installation shaft 1 is often being set with a roller cutter installation shaft spacer sleeve 2 between adjacent two roller sheets 5, each described roller sheet 5 comprises annular flat blade cutter 5-1 and multiple roller cutter 5-2, uniformly on the outer circumference surface of described annular flat blade cutter 5-1 be provided with multiple roller cutter 5-2, the roller cutter 5-2 being closely sleeved on the multiple roller sheets 5 on described roller cutter installation shaft one 1-1 is introduced in spiral head 4 one end to 3/4 scope of roller cutter installation shaft one 1-1 length by stalk and arranges in many transport screw lines, and the roller cutter 5-2 being closely sleeved on the roller sheet 5 on roller cutter installation shaft one 1-1 arranges in many reverse acting spiral lines by Connection Block 3 one end to 1/4 scope of roller cutter installation shaft one 1-1 length,
The roller cutter 5-2 being closely sleeved on the multiple roller sheets 5 on described roller cutter installation shaft two 1-2 is introduced in spiral head 4 one end to 3/4 scope of roller cutter installation shaft two 1-2 length by stalk and arranges in many reverse acting spiral lines, and the roller cutter 5-2 being closely sleeved on the roller sheet 5 on roller cutter installation shaft two 1-2 arranges in many transport screw lines by Connection Block 3 one end to 1/4 scope of roller cutter installation shaft two 1-2 length;
Multiple roller sheets 5 of two roller cutter installation shaft 1 shift to install successively, and the multiple roller sheets 5 be closely sleeved in two installation shaft 1 are meshed, and during engagement, the annular flat blade cutter 5-1 part being closely sleeved on the multiple roller sheets 5 in two roller cutter installation shaft 1 overlaps.
The blade of the roller cutter 5-2 of the described multiple roller sheets 5 be closely sleeved on roller cutter installation shaft one 1-1 is all that identical acute angle is arranged with the axis of roller cutter installation shaft one 1-1, or the axis that the blade of roller cutter 5-2 being closely sleeved on the multiple roller sheets 5 on roller cutter installation shaft one 1-1 is all parallel to roller cutter installation shaft one 1-1 is arranged;
The blade of the roller cutter 5-2 of the described multiple roller sheets 5 be closely sleeved on roller cutter installation shaft two 1-2 is all that identical acute angle is arranged with the axis of roller cutter installation shaft two 1-2, or the axis that the blade of roller cutter 5-2 being closely sleeved on the multiple roller sheets 5 on roller cutter installation shaft two 1-2 is all parallel to roller cutter installation shaft two 1-2 is arranged.
The lateral wall of the Connection Block 3 of described two roller cutter installation shaft 1 is all fixed with multiple stripper board 7.Its effect is: other the assorted excess bodies outside removing corn ear.
A kind of two roller breaking corn harvesting bench stem pulling roller, comprise two roller cutter installation shaft 1, two Connection Blocks 3 and multiple roller sheet 5, described two roller cutter installation shaft 1 are roller cutter installation shaft one 1-1 and roller cutter installation shaft two 1-2 respectively, one end of roller cutter installation shaft 1 described in every root is equipped with stalk and introduces spiral head 4, stalk introducing spiral head 4 rotation direction of described two roller cutter installation shaft 1 is contrary, the other end of two roller cutter installation shaft 1 is all fixed with Connection Block 3, in every root roller cutter installation shaft 1, fixed cover is equipped with multiple roller sheet 5 respectively, described multiple roller sheet 5 preferably arranges at equal intervals, be conducive to the length of regular cornstalk chopping, each described roller sheet 5 comprises annular flat blade cutter 5-1 and roller cutter 5-2, uniformly on the outer circumference surface of described annular flat blade cutter 5-1 be provided with multiple roller cutter 5-2, the roller cutter 5-2 being fixedly set in the multiple roller sheets 5 on described roller cutter installation shaft one 1-1 is introduced in spiral head 4 one end to 3/4 scope of roller cutter installation shaft one 1-1 length by stalk and arranges in many transport screw lines, and the roller cutter 5-2 being fixedly set in the roller sheet 5 on roller cutter installation shaft one 1-1 arranges in many reverse acting spiral lines by Connection Block 3 one end to 1/4 scope of roller cutter installation shaft one 1-1 length,
The roller cutter 5-2 being fixedly set in the multiple roller sheets 5 on described roller cutter installation shaft two 1-2 is introduced in spiral head 4 one end to 3/4 scope of roller cutter installation shaft two 1-2 length by stalk and arranges in many reverse acting spiral lines, and the roller cutter 5-2 being fixedly set in the roller sheet 5 on roller cutter installation shaft two 1-2 arranges in many transport screw lines by Connection Block 3 one end to 1/4 scope of roller cutter installation shaft two 1-2 length;
Multiple roller sheets 5 of two roller cutter installation shaft 1 shift to install successively, and the multiple roller sheets 5 be fixedly set in two installation shaft 1 are meshed, and during engagement, the annular flat blade cutter 5-1 part being fixedly set in the multiple roller sheets 5 in two roller cutter installation shaft 1 overlaps.
The blade of the roller cutter 5-2 of the described multiple roller sheets 5 be fixedly set on roller cutter installation shaft one 1-1 is all that identical acute angle is arranged with the axis of roller cutter installation shaft one 1-1, or the axis that the blade of roller cutter 5-2 being fixedly set in the multiple roller sheets 5 on roller cutter installation shaft one 1-1 is all parallel to roller cutter installation shaft one 1-1 is arranged;
The blade of the roller cutter 5-2 of the described multiple roller sheets 5 be fixedly set on roller cutter installation shaft two 1-2 is all that identical acute angle is arranged with the axis of roller cutter installation shaft two 1-2, or the axis that the blade of roller cutter 5-2 being fixedly set in the multiple roller sheets 5 on roller cutter installation shaft two 1-2 is all parallel to roller cutter installation shaft two 1-2 is arranged.
The lateral wall of the Connection Block 3 of described two roller cutter installation shaft 1 is all fixed with multiple stripper board 7.Its effect is: other the assorted excess bodies outside removing corn ear.
In the utility model, the definition of described transport screw line arrangement is: introduce spiral head 4 one end from the stalk of every root roller cutter installation shaft 1 and look to Connection Block 3 one end, and the roller cutter 5-2 of multiple roller sheet 5 is clock-wise spiral arrangement.
The definition of described reverse acting spiral line arrangement is: introduce spiral head 4 one end from the stalk of every root roller cutter installation shaft 1 and look to Connection Block 3 one end, and the roller cutter 5-2 of multiple roller sheet 5 is the arrangement of counter-clockwise helical line.
The diameter of described two roller cutter installation shaft 1 is identical or different.
Operation principle: the stalk of described two roller cutter installation shaft 1 is introduced spiral head 4 and is all rotationally connected with Harvester for maize roller cutter shaft bearing 7, and the Connection Block 3 of two roller cutter installation shaft 1 is all in transmission connection with two output shafts of Harvester for maize gearbox 8; Two roller cutter installation shaft 1 are all parallel to Harvester for maize frame width and arrange, or two roller cutter installation shaft 1 are all that same tilt angle is arranged with Harvester for maize frame width.Ato unit, the entry into service of two roller cutter installation shaft 1 is driven through gearbox 8 by engine, gearbox 8 regulates the rotating speed of two roller cutter installation shaft 1, make both rotating speeds identical or different, the rotation rotation direction of two roller cutter installation shaft 1 is contrary, after ear corn bar enters into the gap between two stalks introducing spiral heads 4, and moved backward by the rotation promotion corn straw of two roller cutter installation shaft 1, corn straw enters in the gap of the roller sheet 5 in intermeshing two roller cutter installation shaft 1, by intermeshing roller sheet 5, cornstalk is sheared, extruding, tear, chopping.If cornstalk is long, the place that the roller cutter 5-2 forward-reverse spiral of the roller sheet 5 that cornstalk can rest in two roller cutter installation shaft 1 turns to, roller sheet 5 continues cornstalk to be carried out chopping process, until all processed by corn straw.Meanwhile, chain on corn cutting bed pushes tooth 9 and corn is pushed to Connection Block 3 position, and the stripper board 6 on the Connection Block 3 of two roller cutter installation shaft 1 cooperatively interacts operation, can remove other the assorted excess bodies outside corn ear.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (6)
1. a two roller breaking corn harvesting bench stem pulling roller, comprise two roller cutter installation shaft (1), multiple spacer sleeve (2), two Connection Blocks (3) and multiple roller sheet (5), described two roller cutter installation shaft (1) are roller cutter installation shaft one (1-1) and roller cutter installation shaft two (1-2) respectively, one end of roller cutter installation shaft (1) described in every root is equipped with stalk and introduces spiral head (4), stalk introducing spiral head (4) rotation direction of described two roller cutter installation shaft (1) is contrary, the other end of two roller cutter installation shaft (1) is all fixed with Connection Block (3), every root roller cutter installation shaft (1) is closely set with multiple roller sheet (5) respectively, every root roller cutter installation shaft (1) is positioned at and is often set with roller cutter installation shaft spacer sleeve (2) between adjacent two roller sheets (5), each described roller sheet (5) comprises annular flat blade cutter (5-1) and multiple roller cutter (5-2), uniformly on the outer circumference surface of described annular flat blade cutter (5-1) be provided with multiple roller cutter (5-2), it is characterized in that: the roller cutter (5-2) being closely sleeved on the multiple roller sheets (5) on described roller cutter installation shaft one (1-1) is introduced in many transport screw lines arrangements in spiral head (4) one end to 3/4 scope of roller cutter installation shaft one (1-1) length by stalk, and the roller cutter (5-2) being closely sleeved on the roller sheet (5) in roller cutter installation shaft one (1-1) is arranged in many reverse acting spiral lines by Connection Block (3) one end to 1/4 scope of roller cutter installation shaft one (1-1) length,
The roller cutter (5-2) being closely sleeved on the multiple roller sheets (5) on described roller cutter installation shaft two (1-2) is introduced in many reverse acting spiral lines arrangements in spiral head (4) one end to 3/4 scope of roller cutter installation shaft two (1-2) length by stalk, and the roller cutter (5-2) being closely sleeved on the roller sheet (5) in roller cutter installation shaft two (1-2) is arranged in many transport screw lines by Connection Block (3) one end to 1/4 scope of roller cutter installation shaft two (1-2) length;
Multiple roller sheets (5) of two roller cutter installation shaft (1) shift to install successively, the multiple roller sheets (5) be closely sleeved on two installation shaft (1) are meshed, during engagement, annular flat blade cutter (5-1) part being closely sleeved on the multiple roller sheets (5) on two roller cutter installation shaft (1) overlaps.
2. the two roller breaking corn harvesting bench stem pulling roller of one according to claim 1, it is characterized in that: the blade of the roller cutter (5-2) of the described multiple roller sheets (5) be closely sleeved in roller cutter installation shaft one (1-1) is all that identical acute angle is arranged with the axis of roller cutter installation shaft one (1-1), or the axis that the blade of roller cutter (5-2) being closely sleeved on the multiple roller sheets (5) in roller cutter installation shaft one (1-1) is all parallel to roller cutter installation shaft one (1-1) is arranged;
The blade of the roller cutter (5-2) of the described multiple roller sheets (5) be closely sleeved in roller cutter installation shaft two (1-2) is all that identical acute angle is arranged with the axis of roller cutter installation shaft two (1-2), or the axis that the blade of roller cutter (5-2) being closely sleeved on the multiple roller sheets (5) in roller cutter installation shaft two (1-2) is all parallel to roller cutter installation shaft two (1-2) is arranged.
3. the two roller breaking corn harvesting bench stem pulling roller of one according to claim 1 and 2, is characterized in that: the lateral wall of the Connection Block (3) of described two roller cutter installation shaft (1) is all fixed with multiple stripper board (7).
4. a two roller breaking corn harvesting bench stem pulling roller, comprise two roller cutter installation shaft (1), two Connection Blocks (3) and multiple roller sheet (5), described two roller cutter installation shaft (1) are roller cutter installation shaft one (1-1) and roller cutter installation shaft two (1-2) respectively, one end of roller cutter installation shaft (1) described in every root is equipped with stalk and introduces spiral head (4), stalk introducing spiral head (4) rotation direction of described two roller cutter installation shaft (1) is contrary, the other end of two roller cutter installation shaft (1) is all fixed with Connection Block (3), on every root roller cutter installation shaft (1), fixed cover is equipped with multiple roller sheet (5) respectively, each described roller sheet (5) comprises annular flat blade cutter (5-1) and roller cutter (5-2), uniformly on the outer circumference surface of described annular flat blade cutter (5-1) be provided with multiple roller cutter (5-2), it is characterized in that: the roller cutter (5-2) being fixedly set in the multiple roller sheets (5) on described roller cutter installation shaft one (1-1) is introduced in many transport screw lines arrangements in spiral head (4) one end to 3/4 scope of roller cutter installation shaft one (1-1) length by stalk, and the roller cutter (5-2) being fixedly set in the roller sheet (5) in roller cutter installation shaft one (1-1) is arranged in many reverse acting spiral lines by Connection Block (3) one end to 1/4 scope of roller cutter installation shaft one (1-1) length,
The roller cutter (5-2) being fixedly set in the multiple roller sheets (5) on described roller cutter installation shaft two (1-2) is introduced in many reverse acting spiral lines arrangements in spiral head (4) one end to 3/4 scope of roller cutter installation shaft two (1-2) length by stalk, and the roller cutter (5-2) being fixedly set in the roller sheet (5) in roller cutter installation shaft two (1-2) is arranged in many transport screw lines by Connection Block (3) one end to 1/4 scope of roller cutter installation shaft two (1-2) length;
Multiple roller sheets (5) of two roller cutter installation shaft (1) shift to install successively, the multiple roller sheets (5) be fixedly set on two installation shaft (1) are meshed, during engagement, annular flat blade cutter (5-1) part being fixedly set in the multiple roller sheets (5) on two roller cutter installation shaft (1) overlaps.
5. the two roller breaking corn harvesting bench stem pulling roller of one according to claim 4, it is characterized in that: described in be fixedly set in the roller cutter (5-2) of the multiple roller sheets (5) in roller cutter installation shaft one (1-1) blade be all that identical acute angle is arranged with the axis of roller cutter installation shaft one (1-1), or the axis that the blade of roller cutter (5-2) being fixedly set in the multiple roller sheets (5) in roller cutter installation shaft one (1-1) is all parallel to roller cutter installation shaft one (1-1) is arranged;
The blade of the roller cutter (5-2) of the described multiple roller sheets (5) be fixedly set in roller cutter installation shaft two (1-2) is all that identical acute angle is arranged with the axis of roller cutter installation shaft two (1-2), or the axis that the blade of roller cutter (5-2) being fixedly set in the multiple roller sheets (5) in roller cutter installation shaft two (1-2) is all parallel to roller cutter installation shaft two (1-2) is arranged.
6. the two roller breaking corn harvesting bench stem pulling roller of the one according to claim 4 or 5, is characterized in that: the lateral wall of the Connection Block (3) of described two roller cutter installation shaft (1) is all fixed with multiple stripper board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956644.8U CN205142891U (en) | 2015-11-26 | 2015-11-26 | Two roller crushing -type maize headers draw stem roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520956644.8U CN205142891U (en) | 2015-11-26 | 2015-11-26 | Two roller crushing -type maize headers draw stem roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205142891U true CN205142891U (en) | 2016-04-13 |
Family
ID=55678649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520956644.8U Withdrawn - After Issue CN205142891U (en) | 2015-11-26 | 2015-11-26 | Two roller crushing -type maize headers draw stem roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205142891U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265095A (en) * | 2015-11-26 | 2016-01-27 | 许永维 | Double-roller breaking type corn header stalk pull roller |
| CN106961920A (en) * | 2017-05-18 | 2017-07-21 | 吉林大学 | A kind of ear-snapping unit |
| WO2018035537A1 (en) | 2016-08-19 | 2018-02-22 | Kingdom Ag Concepts, Inc. | Differential speed stalk rolls |
| WO2019147291A1 (en) * | 2018-01-24 | 2019-08-01 | Kingdom Ag Concepts. Inc. | Differential speed stalk rolls |
-
2015
- 2015-11-26 CN CN201520956644.8U patent/CN205142891U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265095A (en) * | 2015-11-26 | 2016-01-27 | 许永维 | Double-roller breaking type corn header stalk pull roller |
| WO2018035537A1 (en) | 2016-08-19 | 2018-02-22 | Kingdom Ag Concepts, Inc. | Differential speed stalk rolls |
| EP3500083A4 (en) * | 2016-08-19 | 2020-04-01 | Kingdom AG Concepts, Inc. | Differential speed stalk rolls |
| US10874052B2 (en) | 2016-08-19 | 2020-12-29 | Kingdom Ag Concepts, Inc. | Differential speed stalk rolls |
| CN106961920A (en) * | 2017-05-18 | 2017-07-21 | 吉林大学 | A kind of ear-snapping unit |
| WO2019147291A1 (en) * | 2018-01-24 | 2019-08-01 | Kingdom Ag Concepts. Inc. | Differential speed stalk rolls |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20170329 |
|
| AV01 | Patent right actively abandoned |