CN205389535U - Ridge culture corn stalk measures still field operation device entirely - Google Patents
Ridge culture corn stalk measures still field operation device entirely Download PDFInfo
- Publication number
- CN205389535U CN205389535U CN201620070796.2U CN201620070796U CN205389535U CN 205389535 U CN205389535 U CN 205389535U CN 201620070796 U CN201620070796 U CN 201620070796U CN 205389535 U CN205389535 U CN 205389535U
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- flail knife
- length
- ridge
- field
- job step
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- 240000008042 Zea mays Species 0.000 title claims abstract description 31
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 31
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title abstract description 15
- 235000005822 corn Nutrition 0.000 title abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 20
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 16
- 235000009973 maize Nutrition 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000010902 straw Substances 0.000 abstract description 17
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
Abstract
The utility model discloses a ridge culture corn stalk measures still field operation device entirely, the device's straw rubbing crusher constructs by the crushing rotation axis of straw, gos back field flail knife, flail knife installation lug and round pin major structure. The length of flail knife installation lug and the length adjustment mechanism of field flail knife's handle of a knife length combination fabrication process parts still, the length adjustment mechanism length of ridge platform job step is the same, the length suitable extension respectively of length adjustment mechanism in the ridge ditch job step, it is rotatory when smashing the bottom of rotation axis to the straw in turn that its concrete length should guarantee that flail knife installation lug follows the straw to smash the rotation axis, in ridge platform job step and the ridge ditch job step all still field flail knife do not hold and ground between the distance equal. The beneficial effects of the utility model are that: have that simple structure, drag force are little, long service life, the operation is effectual, the profile modeling is accurate, the trouble is few advantage.
Description
Technical field
This utility model relates to a kind of ridgetill maize returning total stalks into fields apparatus for work, and this device can be used alone, it is also possible to use with corn combine or multiple complete set of farm machines and tools.
Background technology
The wasting of resources caused in order to avoid crop straw burning and environmental pollution, after corn combine carries out harvest corn operation, corn straw and root stubble after adopting corn straw smashing returning device that harvesting or kernel direct are received carry out chopping and returning, do so can by corn straw direct returning to farmland culture fertility, improve soil with organic matter content, be the effective way realizing maize straw resource continuous utilization and agricultural sustainable development.At present on domestic used corn combine corn stalk powder crushing device all according to plane operation structural design, this single shaft straw chopping and returning machine can only be pulverized and shed at the straw of ridge platform plane, high stem and root stubble, the straw being positioned at furrow cannot be pulverized, whole requirements of corn straw direct returning to farmland can not be met, thus causing corn straw full dose direct returning to farmland operation technique bottleneck.
Summary of the invention
The technical problems to be solved in the utility model is in that to provide a kind of ridgetill maize returning total stalks into fields apparatus for work, adopt this device can not only complete the corn straw in the platform plane of ridge is carried out comminution process, additionally it is possible to complete the chopping and returning operation to the corn straw being trapped in furrow.
The technical solution of the utility model is: this device includes crushed stalk mechanism, hanger is installed by crushed stalk rotating shaft, also field flail knife, flail knife by this crushed stalk mechanism and bearing pin is constituted, and the length of crushed stalk rotating shaft should be able to a plurality of ridge ditch in horizontal overwrite job district and ridge platform.Crushed stalk rotating shaft is uniformly divided into several length ridge platform job step identical, arranged in a crossed manner and ridge ditch job step vertically, and ridge platform job step and the length of ridge ditch job step arrange identical with the actual ridge platform in operation field and ridge ditch.Flail knife is installed hanger and is fixed on crushed stalk rotating shaft according to out of phase is staggered, and also field flail knife is arranged on flail knife installation hanger by bearing pin.The length adjustment mechanism of the length of hanger and the shank length combination fabrication process parts of also field flail knife installed by flail knife, the length adjustment mechanism length being arranged on ridge platform job step is identical, the length being arranged on length adjustment mechanism in ridge ditch job step suitably lengthens respectively, its concrete length should be able to ensure when the lowermost end that hanger rotates in turn to crushed stalk rotating shaft installed with crushed stalk rotating shaft by flail knife, ridge platform job step and in ridge ditch job step all of also distance between field flail knife end and ground equal.
In the length adjustment mechanism of described operation part, flail knife is installed the length of hanger and is fixed, and also the shank length of field flail knife adopts different specifications.
In the length adjustment mechanism of described operation part, also the shank length of field flail knife is fixed, and flail knife is installed the length of hanger and adopted different specifications.
In the length adjustment mechanism of described operation part, also the shank length of field flail knife is fixed, and flail knife is installed hanger and is provided with multiple screws or the bar hole of arranged radially.
In the length adjustment mechanism of described operation part, flail knife is installed ear length and is fixed, and also the handle of a knife of field flail knife is provided with multiple screws or the bar hole of arranged radially.
In the length adjustment mechanism of described operation part, flail knife is installed hanger and goes back the multiple screws or the bar hole that are equipped with arranged radially on the handle of a knife of field flail knife.
Arranging a helix on crushed stalk rotating shaft, flail knife installation hanger is uniformly fixed on crushed stalk rotating shaft along the direction of helix.
In above-mentioned design, the pitch of helix is respectively equal to the length of a ridge ditch job step and a ridge platform job step.
On crushed stalk rotating shaft, the optimum phase angle between hanger installed by adjacent two flail knives is contain respectively in 90 degree of each job steps to be gone back field flail knife by forward and backward, upper and lower four.
In aforesaid design, also the shank length of field flail knife is divided into two kinds, and one is ditch base area also field flail knife, a kind of Shi Goubang district also field flail knife.
The shank length of Gou Bang district also field flail knife takes 1/2nd of ditch base area also field flail knife and table top also two kinds of shank length sums of field flail knife.
Above-mentioned design can also be cancelled and ridge ditch job step is installed by flail knife hanger and goes back the crushed stalk mechanism that field flail knife is constituted, revolve, with going out, the Mie Xuan mechanism replacement that cutter installation tool magazine is constituted with by going out rotation cutter, crushed stalk rotating shaft becomes mixture operation rotating shaft, constitutes a set of crushed stalk and Mie Xuan mixture operation mechanism.
In this mechanism, crushed stalk rotating shaft and axle upper-part are arranged on traction frame both sides pedestal upper forepart, rear portion on pedestal is equipped with pulverizing and the mixture operation rotating shaft of Mie Xuan mixture operation mechanism, pulverizing with Mie Xuan mixture operation mechanism its concrete structure is cancel being installed hanger in ridge ditch job step by flail knife and going back the crushed stalk mechanism that field flail knife is constituted, revolve, with going out, the Mie Xuan mechanism replacement that cutter installation tool magazine is constituted with by going out rotation cutter, crushed stalk rotating shaft becomes mixture operation rotating shaft, constitutes one with the multiple working mechanism by an actuating unit linkage.
Crushed stalk rotating shaft and mixture operation rotating shaft are made up of the mounting seat of some sections of axle sleeve shapes, the length of every section of mounting seat 15 is identical with ridge platform job step and ridge ditch job step, its outer wall is cylindrical, being provided with the interior square hole being arranged concentrically with cylindrical outer wall therein vertically, the mounting seat of ridge platform job step and ridge ditch job step is arranged on square shaft with intersecting.The ridge of annular it is provided with from spacer between ridge platform job step and ridge ditch job step.Be provided with the axle sleeve similar to mounting seat 15 structure at the two ends of square shaft, axle sleeve is fixed on square shaft two ends by pin key.
The beneficial effects of the utility model are: for the feature of field ridge culture Zhong Gou, the platform formal style fluctuating scope of operation, use for reference profiling mechanism operating principle, also the regular arrangement of cutter be will revolve with going out by field flail knife, furrow, platform scope of operation corn straw smashing also field, ridge, stubble-cleaning, rotary tillage compound operation thus can be met completely.The advantage that this utility model has simple in construction, tractive resistance is little, long service life, operation effectiveness are good, profiling is accurate, fault is few.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the axial arrangement schematic diagram of embodiment 2.
Fig. 3 is the axial arrangement schematic diagram of embodiment 3.
Fig. 4 is the axial arrangement schematic diagram of embodiment 4.
Fig. 5 is the axial arrangement schematic diagram of embodiment 5.
Fig. 6 is the axial arrangement schematic diagram of embodiment 6.
Fig. 7 is the radial structure schematic diagram of embodiment 2.
Fig. 8 is the radial structure schematic diagram of embodiment 3.
Fig. 9 is the radial structure schematic diagram of embodiment 4.
Figure 10 is the radial structure schematic diagram of embodiment 5.
Figure 11 is the radial structure schematic diagram of embodiment 6.
Figure 12 is the structural representation of embodiment 7.
Figure 13 is the structural representation of embodiment 8.
Figure 14 is the structural representation of embodiment 9.
Figure 15 is the cross-sectional view of Figure 14.
Number in the figure:
1, crushed stalk rotating shaft 2, also field flail knife 3, flail knife install hanger 4, bearing pin
5, ridge platform job step 6, ridge ditch job step 7, helix 8, table top also field flail knife
9, ditch base area also field flail knife 10, Gou Bang district also field flail knife 11, go out rotation cutter
Detailed description of the invention
Example 1
As it is shown in figure 1, this device includes crushed stalk mechanism, this crushed stalk mechanism is made up of crushed stalk rotating shaft 1, also field flail knife 2, flail knife installation hanger 3 and bearing pin 4；The length of crushed stalk rotating shaft 1 should be able to a plurality of ridge ditch in horizontal overwrite job district and ridge platform；Crushed stalk rotating shaft 1 is uniformly divided into several length ridge platform job step 5 identical, arranged in a crossed manner and ridge ditch job step 6 vertically, and ridge platform job step 5 and the length of ridge ditch job step 6 arrange identical with the actual ridge platform in operation field and ridge ditch；Flail knife is installed hanger 3 and is fixed on crushed stalk rotating shaft 1 according to out of phase is staggered, and also field flail knife 2 is arranged on flail knife installation hanger 3 by bearing pin 4；The length adjustment mechanism of the length of hanger 3 and the shank length combination fabrication process parts of also field flail knife 2 installed by flail knife, the length adjustment mechanism length being arranged on ridge platform job step 5 is identical, the length being arranged on length adjustment mechanism in ridge ditch job step 6 suitably lengthens respectively, its concrete length should be able to ensure when the lowermost end that hanger 3 rotates in turn to crushed stalk rotating shaft 1 installed with crushed stalk rotating shaft 1 by flail knife, ridge platform job step 5 and in ridge ditch job step 6 all of also distance between field flail knife 2 end and ground equal.
Arranging a helix 7 on crushed stalk rotating shaft 1, flail knife installation hanger 3 is uniformly fixed on crushed stalk rotating shaft 1 along the direction of helix 7.
In above-mentioned design, the pitch of helix 7 is respectively equal to the length of a ridge ditch job step 5 and a ridge platform job step 6.
On crushed stalk rotating shaft 1, the optimum phase angle between hanger 3 installed by adjacent two flail knives is contain respectively in 90 degree of each job steps to be gone back field flail knife 2 by forward and backward, upper and lower four.
In such design, also the shank length of field flail knife 2 is divided into two kinds, and one is ditch base area also field flail knife 9, a kind of Shi Goubang district also field flail knife 10.
The shank length of Gou Bang district also field flail knife 10 takes 1/2nd of ditch base area also field flail knife 9 and table top also 8 two kinds of shank length sums of field flail knife.
Example 2
As shown in Fig. 2, Fig. 7, in the length adjustment mechanism of described operation part, flail knife is installed the length of hanger 3 and is fixed, and also the shank length of field flail knife 2 adopts different specifications.The middle cutter of this design structure has been fully retained the character of flail knife.
Example 3
As shown in Fig. 3, Fig. 8, in the length adjustment mechanism of described operation part, also the shank length of field flail knife 2 is fixed, and flail knife is installed the length of hanger 3 and adopted different specifications.The middle cutter of this design structure is with part cutting knife character.
Example 4
As shown in Fig. 4, Fig. 9, in the length adjustment mechanism of described operation part, also the shank length of field flail knife 2 is fixed, and handle of a knife is provided only with a screw.Flail knife is installed hanger 3 and is provided with multiple screws or the bar hole of arranged radially.This design structure need not arrange the also field flail knife 2 of multiple different shank length.
Example 5
As shown in Fig. 5, Figure 10, in the length adjustment mechanism of described operation part, flail knife is installed hanger 3 length and is fixed, and also the handle of a knife of field flail knife 2 is provided with multiple screws or the bar hole of arranged radially.
Example 6
As shown in Fig. 6, Figure 11, in the length adjustment mechanism of described operation part, flail knife is installed hanger 3 and goes back the multiple screws or the bar hole that are equipped with arranged radially on the handle of a knife of field flail knife 2.This design can make cutting knife.
Example 7
As shown in figure 12, cancel and design is installed by flail knife in ridge ditch job step 6 hanger 3 and goes back the crushed stalk mechanism that field flail knife 2 is constituted, revolve, with going out, the Mie Xuan mechanism replacement that cutter installation tool magazine 12 is constituted with by going out rotation cutter 11, crushed stalk rotating shaft 1 becomes mixture operation rotating shaft 13, constitutes a set of crushed stalk and Mie Xuan mixture operation mechanism.
Example 8
As shown in figure 13, in this mechanism, crushed stalk rotating shaft 1 and axle upper-part are arranged on traction frame both sides pedestal upper forepart, rear portion on pedestal 14 is equipped with pulverizing and the mixture operation rotating shaft 13 of Mie Xuan mixture operation mechanism, pulverizing with Mie Xuan mixture operation mechanism its concrete structure is cancel being installed hanger 3 in ridge ditch job step 6 by flail knife and going back the crushed stalk mechanism that field flail knife 2 is constituted, revolve, with going out, the Mie Xuan mechanism replacement that cutter installation tool magazine 12 is constituted with by going out rotation cutter 11, crushed stalk rotating shaft 1 becomes mixture operation rotating shaft 13, constitute one with the multiple working mechanism by an actuating unit linkage.
Example 9
As shown in Figure 14, Figure 15, crushed stalk rotating shaft 1 and mixture operation rotating shaft 13 are made up of the mounting seat 15 of some sections of axle sleeve shapes, the length of every section of mounting seat 15 is identical with ridge platform job step and ridge ditch job step, its outer wall is cylindrical, being provided with the interior square hole 16 being arranged concentrically with cylindrical outer wall therein vertically, the mounting seat 15 of ridge platform job step 5 and ridge ditch job step 6 is arranged on square shaft 17 with intersecting.The ridge of annular it is provided with from spacer 18 between ridge platform job step 5 and ridge ditch job step 6.Be provided with the axle sleeve 19 similar to mounting seat 15 structure at the two ends of square shaft 17, axle sleeve 19 is fixed on square shaft 17 two ends by pin key 20.
The advantage of above-mentioned design is able to be converted according to the width of different ridge ditches from spacer by ridge.
Claims (12)
1. a ridgetill maize returning total stalks into fields apparatus for work, it is characterized in that: this device includes crushed stalk mechanism, this crushed stalk mechanism is made up of crushed stalk rotating shaft (1), also field flail knife (2), flail knife installation hanger (3) and bearing pin (4)；The length of crushed stalk rotating shaft (1) should be able to a plurality of ridge ditch in horizontal overwrite job district and ridge platform；Crushed stalk rotating shaft (1) is uniformly divided into several length ridge platform job step (5) identical, arranged in a crossed manner and ridge ditch job step (6) vertically, and ridge platform job step (5) and the length of ridge ditch job step (6) arrange identical with the actual ridge platform in operation field and ridge ditch；Flail knife is installed hanger (3) and is fixed on crushed stalk rotating shaft (1) according to out of phase is staggered, and also field flail knife (2) is arranged on flail knife installation hanger (3) by bearing pin (4)；The length adjustment mechanism of the length of hanger (3) and the shank length combination fabrication process parts of also field flail knife (2) installed by flail knife, the length adjustment mechanism length being arranged on ridge platform job step (5) is identical, the length being arranged on the upper length adjustment mechanism of ridge ditch job step (6) suitably lengthens respectively, its concrete length should be able to ensure when the lowermost end that hanger (3) rotates in turn to crushed stalk rotating shaft (1) installed with crushed stalk rotating shaft (1) by flail knife, ridge platform job step (5) and ridge ditch job step (6) are above all of, and also the field flail knife (2) distance between end with ground is equal.
2. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: in the length adjustment mechanism of described operation part, flail knife is installed the length of hanger (3) and is fixed, and also the shank length of field flail knife (2) adopts different specifications.
3. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: in the length adjustment mechanism of described operation part, also the shank length of field flail knife (2) is fixed, and flail knife is installed the length of hanger (3) and adopted different specifications.
4. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: in the length adjustment mechanism of described operation part, also the shank length of field flail knife (2) is fixed, and flail knife is installed hanger (3) and is provided with multiple screws or the bar hole of arranged radially.
5. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: in the length adjustment mechanism of described operation part, flail knife is installed hanger (3) length and is fixed, and also the handle of a knife of field flail knife (2) is provided with multiple screws or the bar hole of arranged radially.
6. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: in the length adjustment mechanism of described operation part, flail knife is installed hanger (3) and goes back the multiple screws or the bar hole that are equipped with arranged radially on the handle of a knife of field flail knife (2).
7. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: arrange a helix (7) on crushed stalk rotating shaft (1), flail knife installation hanger (3) is uniformly fixed on crushed stalk rotating shaft (1) along the direction of helix (7)；The pitch of helix (7) is respectively equal to the length of ridge ditch job step (5) and ridge platform job step (6).
8. ridgetill maize returning total stalks into fields apparatus for work according to claim 3, it is characterized in that: the phase angle that upper adjacent two flail knives of crushed stalk rotating shaft (1) are installed between hanger (3) is 90 degree, contain forward and backward, upper and lower four in each job step respectively and go back field flail knife (2).
9. ridgetill maize returning total stalks into fields apparatus for work according to claim 4, it is characterized in that: in such design, also the shank length of field flail knife (2) is divided into two kinds, one is also field flail knife (9), ditch base area, also field flail knife (10), a kind of Shi Goubang district；The shank length of Gou Bang district also field flail knife (10) takes 1/2nd of ditch base area also field flail knife (9) and table top also (8) two kinds of shank length sums of field flail knife.
10. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: cancel and ridge ditch job step (6) is installed by flail knife hanger (3) and goes back the crushed stalk mechanism that field flail knife (2) is constituted, with by go out rotation cutter (11) and go out rotation cutter install tool magazine (12) constitute Mie Xuan mechanism replacement, crushed stalk rotating shaft (1) becomes mixture operation rotating shaft (13), constitutes a set of crushed stalk and Mie Xuan mixture operation mechanism.
11. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: in this mechanism, crushed stalk rotating shaft (1) and axle upper-part are arranged on traction frame both sides pedestal upper forepart, rear portion on pedestal is equipped with pulverizing and the mixture operation rotating shaft (13) of Mie Xuan mixture operation mechanism, pulverizing with Mie Xuan mixture operation mechanism its concrete structure is cancel being installed hanger (3) in ridge ditch job step (6) by flail knife and and the crushed stalk mechanism that constitutes of field flail knife (2), with by go out rotation cutter (11) and go out rotation cutter install tool magazine (12) constitute Mie Xuan mechanism replacement, crushed stalk rotating shaft (1) becomes mixture operation rotating shaft (13), constitute one with the multiple working mechanism by an actuating unit linkage.
12. ridgetill maize returning total stalks into fields apparatus for work according to claim 1, it is characterized in that: (10 are made up of crushed stalk rotating shaft the mounting seat (15) of some sections of axle sleeve shapes, the length of every section of mounting seat (15) is identical with ridge platform job step and ridge ditch job step, its outer wall is cylindrical, being provided with the interior square hole (16) being arranged concentrically with cylindrical outer wall therein vertically, the mounting seat (15) of ridge platform job step (5) and ridge ditch job step (6) is arranged on square shaft (17) with intersecting；The ridge of annular it is provided with from spacer (18) between ridge platform job step (5) and ridge ditch job step (6)；Be provided with the axle sleeve (19) identical with mounting seat (15) structure at the two ends of square shaft (17), axle sleeve (19) is fixed on square shaft (17) two ends by pin key (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070796.2U CN205389535U (en) | 2016-01-18 | 2016-01-18 | Ridge culture corn stalk measures still field operation device entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070796.2U CN205389535U (en) | 2016-01-18 | 2016-01-18 | Ridge culture corn stalk measures still field operation device entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205389535U true CN205389535U (en) | 2016-07-27 |
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ID=56450852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620070796.2U Expired - Fee Related CN205389535U (en) | 2016-01-18 | 2016-01-18 | Ridge culture corn stalk measures still field operation device entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205389535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105723948A (en) * | 2016-01-18 | 2016-07-06 | 黑龙江省农业科学院齐齐哈尔分院 | Ridge-culture corn-straw complete-field-returning operation device |
| CN106900285A (en) * | 2017-03-30 | 2017-06-30 | 农业部南京农业机械化研究所 | The multipurpose climing pulverizer of walk-behind type potato is cut in a kind of leakproof |
-
2016
- 2016-01-18 CN CN201620070796.2U patent/CN205389535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105723948A (en) * | 2016-01-18 | 2016-07-06 | 黑龙江省农业科学院齐齐哈尔分院 | Ridge-culture corn-straw complete-field-returning operation device |
| CN106900285A (en) * | 2017-03-30 | 2017-06-30 | 农业部南京农业机械化研究所 | The multipurpose climing pulverizer of walk-behind type potato is cut in a kind of leakproof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20180118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |