CN206542710U - Banding kind bed device for reconditioning - Google Patents
Banding kind bed device for reconditioning Download PDFInfo
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- CN206542710U CN206542710U CN201720191409.5U CN201720191409U CN206542710U CN 206542710 U CN206542710 U CN 206542710U CN 201720191409 U CN201720191409 U CN 201720191409U CN 206542710 U CN206542710 U CN 206542710U
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- knife
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Abstract
The utility model discloses a kind of banding kind bed device for reconditioning, including frame and three-link hitch, and it is installed in the stubble ploughing knife pivot of bottom of the frame and rotary tillage cutter shaft, many set stubble-cleaning knife groups on stubble ploughing knife pivot and the combination of the rotary blade on rotary tillage cutter shaft, one end of the stubble ploughing knife pivot is connected with stubble ploughing knife pivot uni-drive gear box, one end of the rotary tillage cutter shaft is connected with rotary blade shaft drive gear box, the central tooth roller box that the stubble ploughing knife pivot uni-drive gear box is connected with the rotary blade shaft drive gear box；Using stubble-cleaning band knife group and plant bed band knife group is this is arranged alternately mode, relative to the blade arrangement mode of wheel pattern, reduce the power consumption of equipment, and all blades avoid the lateral dependent territory of soil according to Multi sectional helical arrangement mode, so as to reduce stirring for soil, with the effect such as soil conservation, water conservation and fertilizer conservation；The rearmounted supporting plate of bottom of the frame rear end, it is to avoid kind bed band soil is more beneficial for seed growth to stubble-cleaning band play.
Description
Technical field
The utility model is related to technical field of agricultural mechanical equipment, and in particular to a kind of banding kind bed device for reconditioning.
Background technology
Cultivated scarification equipment is the key link in agricultural production, and it ploughs the growth quality that whole quality directly affects crop.It is existing
Some tillage equipments include horizontal rotary tiller, vertical rotary tiller, mouldboard plow and disc plough etc.；Traditional rotary cultivator is with wheel mould
Based on formula, upset the fertility gradient of soil from bottom to top, change original good soil texture, the solid native ability of crop root residue
Decline, cause soil hardening, drought resisting declines with waterlogging ability, and the content of organic matter is reduced, the harmful effect such as soil regime deterioration；And
For the hardened operating mode of the glutinous weight of Yangtze river basin soil, soil hack after the equipment operation such as vertical rotary tiller, mouldboard plow and disc plough
Rate is relatively low, is not suitable for seed growth.Therefore, a kind of banding kind bed device for reconditioning is designed, the technology for both having met conservation tillage will
Ask, be also adapted to the hardened, preceding crop of the glutinous weight of China's Yangtze river basin soil and leave the difficult operating mode of stalk processing.
The content of the invention
The purpose of this utility model is that there is provided kind of bed band is formed after a kind of operation with going out in order to overcome the shortcomings of above-mentioned technology
Stubble band is staggered the banding kind bed device for reconditioning of form.
To achieve the above object, the banding kind bed device for reconditioning designed by the utility model, including frame and it is arranged on machine
Be used for the three-link hitch that is connected with tractor on frame, and be installed in bottom of the frame stubble ploughing knife pivot and rotary tillage cutter shaft,
Many set stubble-cleaning knife groups on stubble ploughing knife pivot and the rotary blade combination on rotary tillage cutter shaft, the one of the stubble ploughing knife pivot
End is connected with stubble ploughing knife pivot uni-drive gear box, and one end of the rotary tillage cutter shaft is connected with rotary blade shaft drive gear box, described to go out
The central tooth roller box that stubble cutter shaft uni-drive gear box is connected with the rotary blade shaft drive gear box；Often covering the stubble-cleaning knife group includes
It is nested with the dextrorotation stubble-cleaning knife that the stubble-cleaning knife disk on stubble ploughing knife pivot, multi-disc are circumferentially uniformly arranged in stubble-cleaning knife disk one side
And multi-disc is circumferentially uniformly arranged on the dextrorotation stubble-cleaning knife on the left-handed stubble-cleaning knife on stubble-cleaning knife disk another side, stubble-cleaning knife disk
Circumferentially it is alternately arranged with left-handed stubble-cleaning knife, and the dextrorotation stubble-cleaning knife and left-handed stubble-cleaning knife in every adjacent stubble-cleaning knife group are in staggeredly
Screw arrangement；
The rotary blade combination includes stubble-cleaning band knife group in the middle of one group, and symmetrical as symmetrical centre using middle stubble-cleaning band knife group
Middle stubble-cleaning is distributed in the every side of knife group and the multigroup side stubble-cleaning band knife group being alternately arranged and multigroup kind of bed band knife group, is gone out with centre
Stubble with knife group it is adjacent be kind of bed band knife group and its be circumferentially staggeredly arranged with kind of a bed band knife group；
The middle stubble-cleaning band knife group includes stubble-cleaning band knife in the middle of first pair, stubble-cleaning band knife and the 3rd centering in the middle of second pair
Between stubble-cleaning band knife, in the middle of first pair in the middle of stubble-cleaning band knife and the 3rd pair stubble-cleaning band knife using stubble-cleaning band knife in the middle of second pair in symmetrically
The heart is arranged symmetrically in the second pair of middle both sides of stubble-cleaning with knife and is circumferentially staggeredly arranged with second pair of middle stubble-cleaning band knife, each pair
Stubble-cleaning band knife is circumferentially evenly arranged on rotary tillage cutter shaft and oppositely oriented in the middle of two panels of the middle stubble-cleaning with knife；
Every group of kind bed includes two pairs of orthogonal kind bed band knives with knife group, and two panels kind bed band knife of each pair kind bed with knife is circumferentially
It is evenly arranged on rotary tillage cutter shaft and rotation direction is identical, the two pairs of rotation directions of kind bed with knife is positioned opposite；
Every group of side stubble-cleaning band knife group includes the first offside stubble-cleaning band knife, the second offside stubble-cleaning band knife and the 3rd offside stubble-cleaning band
Knife, per offside stubble-cleaning, the two panels side stubble-cleaning band knife with knife is circumferentially evenly arranged on rotary tillage cutter shaft and oppositely oriented, every group of side
All six piece sides stubble-cleaning band knife of the stubble-cleaning with knife group staggers and is circumferentially uniformly distributed；
Also, the middle stubble-cleaning with knife group per side multigroup side stubble-cleaning with knife group all side stubble-cleanings band knife with it is multigroup
Kind bed circumferentially staggers with all kinds of beds band knife in knife group helically to be arranged.
Further, the bottom of the frame rear end is provided with rearmounted supporting plate obliquely, and the end of the rearmounted supporting plate is inserted
Offered at the dividing plate for entering to have several to be arranged in parallel, the position between being located at per the adjacent dividing plate on the rearmounted supporting plate with
The kind bed of ft connection is with breach, and the kind bed band breach corresponds distribution with multigroup kind of bed band knife group respectively；With it is described
A pair of the protrusive board that kind of bed is alternately arranged with breach on the rearmounted supporting plate and middle stubble-cleaning band knife group and side stubble-cleaning band knife group 1
It should be distributed.
Further, the kind bed band knife is IT245 rotary machetes, and the stubble-cleaning band knife is IT195 rotary machetes.
Compared with prior art, the utility model has advantages below：The utility model is using stubble-cleaning band knife group and plants bed
Knife group is this is arranged alternately mode for band, relative to the blade arrangement mode of wheel pattern, reduces the power consumption of equipment, and all knives
Piece avoids the lateral defeated soil of soil according to Multi sectional helical arrangement mode, so that stirring for soil is reduced, with soil conservation, water conservation
And the effect such as fertilizer conservation；The rearmounted supporting plate of bottom of the frame rear end, it is to avoid kind bed band soil is more beneficial for seed to stubble-cleaning band play
Growth.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model banding kind bed device for reconditioning；
Fig. 2 is Fig. 1 stereochemical structure structural representation；
Fig. 3 is rotary blade combination arrangement schematic diagram in Fig. 1；
Fig. 4 is Fig. 1 operation schematic diagram；
Fig. 5 is Fig. 3 arrangement simplified schematic diagram.
In figure：Rotary tillage cutter shaft 1 is (wherein：Rotary blade combination 11, middle stubble-cleaning band knife group 11a, side stubble-cleaning band knife group 11b, kind
Bed band knife group 11c), stubble ploughing knife pivot 2 (wherein：Stubble-cleaning knife group 21, stubble-cleaning knife disk 22, left-handed stubble-cleaning knife 23, dextrorotation stubble-cleaning knife
24), frame 3 is (wherein：Side plate 3.1), stubble ploughing knife pivot uni-drive gear box 4, rotary blade shaft drive gear box 5, three-link hitch
6th, rearmounted supporting plate 7, dividing plate 8, plant bed band breach 9, protrusive board 10, central tooth roller box 12, railway carriage or compartment ditch 13, original ground surface 14, after operation
Table 15, kind bed band 16, stubble-cleaning band 17；
Stubble-cleaning band knife a1 in the middle of first couple, stubble-cleaning band knife a2 in the middle of second couple, stubble-cleaning band knife a3 in the middle of the 3rd couple, first pair
Side stubble-cleaning band knife b1, the second offside stubble-cleaning band knife b2, the 3rd offside stubble-cleaning band knife b3, kind bed band knife c1.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 for banding kind of the present utility model bed device for reconditioning, with reference to shown in Fig. 2, including frame 3,3 points hang
Hang device 6, central tooth roller box 12, stubble ploughing knife pivot 2, rotary tillage cutter shaft 1, stubble ploughing knife pivot uni-drive gear box 4, rotary blade shaft transmission gear
Case 5 and rearmounted supporting plate 7.Wherein, three-link hitch 6 is fixed by a pin to the top of frame 3, during operation, trifilar suspension dress
Put 6 by pin three-link hitch corresponding with tractor to be connected, so that banding kind of the present utility model bed is reorganized and outfit into dress
Put and be fixedly mounted on tractor；In addition, one end of stubble ploughing knife pivot 2 is fixed on the bottom front of the side plate 3.1 of frame 3, stubble-cleaning
The other end of cutter shaft 2, which is fixed on the bottom front of another side plate 3.1 of frame 3, stubble ploughing knife pivot 2, is provided with many set stubble-cleaning knife groups
21, similarly, one end of rotary tillage cutter shaft 1 is fixed on the bottom rear end of the side plate 3.1 of frame 3, and the other end of rotary tillage cutter shaft 1 is fixed on
Rotary blade combination 11, stubble ploughing knife pivot 2 and rotary tillage cutter shaft 2 are installed on the bottom rear end of another side plate 3.1 of frame 3, rotary tillage cutter shaft 1
It is arranged in parallel and between the two with enough gaps so that the stubble-cleaning knife group 21 on stubble ploughing knife pivot 2 and the rotation on rotary tillage cutter shaft 1
Knife combination 11 is ploughed not interfere, meanwhile, one end of stubble ploughing knife pivot 2 is connected with stubble ploughing knife pivot uni-drive gear box 4, rotary tillage cutter shaft 1
One end be connected with rotary blade shaft drive gear box 5, and stubble ploughing knife pivot uni-drive gear box 4 and the cloth of rotary blade shaft drive gear box 5
Put the both sides of cabinet 3 i.e. both not in the same side so that compact overall structure, take up space it is small, central tooth roller box 12 with
Stubble ploughing knife pivot uni-drive gear box 4 is connected with rotary blade shaft drive gear box 5.
Again as shown in figure 1, often set stubble-cleaning knife group 21 includes stubble-cleaning knife disk 22, the multi-disc being nested with stubble ploughing knife pivot 2
Circumferentially the uniform knife of dextrorotation stubble-cleaning 24 and multi-disc in the one side of stubble-cleaning knife disk 22 is circumferentially uniformly arranged on stubble-cleaning knife
In left-handed stubble-cleaning knife 23 on the another side of disk 22, the present embodiment, dextrorotation stubble-cleaning knife 24 and left-handed stubble-cleaning knife 23 be three and
It is arranged on by stubble ploughing knife pivot tool rest on stubble-cleaning knife disk 22；In addition, three dextrorotation stubble-cleaning knifes 24 on stubble-cleaning knife disk 22
Circumferentially it is alternately arranged with three left-handed stubble-cleaning knifes 23, i.e., each left-handed stubble-cleaning knife 23 is located between two dextrorotation stubble-cleaning knifes 24,
The angle of the two panels that is connected stubble-cleaning knife is 60 °, and the left-handed stubble-cleaning knife 23 and dextrorotation stubble-cleaning knife 24 in every adjacent stubble-cleaning knife group 21 are all
It is staggeredly arranged so that dextrorotation stubble-cleaning knife 24 and left-handed stubble-cleaning knife 23 on per adjacent stubble-cleaning knife group 21 are staggeredly helically arranged.
As shown in figure 3, rotary blade combination 11 includes stubble-cleaning band knife group 11a in the middle of one group, and with middle stubble-cleaning band knife group 11a
Middle stubble-cleaning is symmetrically distributed in knife group 11a per side and multigroup side stubble-cleaning band knife group 11b and many for being alternately arranged for symmetrical centre
Group kind bed band knife group 11c, that is, plant bed band knife group 11c and side stubble-cleaning band knife group 11b is arranged alternately, with middle stubble-cleaning band knife group 11a
Adjacent is kind of bed band knife group 11c and is circumferentially staggeredly arranged with kind of a bed band knife group 11c；Stubble-cleaning band knife group (including middle stubble-cleaning
Band knife group 11a and side stubble-cleaning band knife group 11b) and plant that bed band knife group 11c is this to be arranged alternately, relative to the blade row of wheel pattern
Mode for cloth, reduces the power consumption of equipment.
Middle stubble-cleaning band knife group 11a includes stubble-cleaning band knife a1 in the middle of first couple, stubble-cleaning band knife a2 and the 3rd in the middle of second couple
To middle stubble-cleaning band knife a3, stubble-cleaning band knife a3 is with stubble-cleaning band in the middle of second pair in the middle of first pair of middle knife a1 and the 3rd pair of stubble-cleaning band
Knife a2 is that symmetrical centre is arranged symmetrically in the second pair of middle both sides of stubble-cleaning with knife a2 and with second pair of middle stubble-cleaning with knife a2 edges
Circumference is staggeredly arranged, and the angle staggered in the present embodiment is two panels centre stubble-cleaning band knife edge of the stubble-cleaning with knife in the middle of 120 °, each pair
Even circumferential is arranged on rotary tillage cutter shaft 1 and oppositely oriented；
Every group of kind bed includes two couples of orthogonal kind bed band knife c1, two panels kind bed band of each pair kind bed with knife c1 with 11c knives group
Knife is circumferentially evenly arranged on rotary tillage cutter shaft 1 and rotation direction is identical, meanwhile, the two pairs of rotation directions of kind bed with knife c1 are positioned opposite；This
All kinds of bed band knives are IT245 rotary machetes in embodiment, carry out deep rotation sowing；
Every group of side stubble-cleaning band knife group 11b includes the first offside stubble-cleaning band knife b1, knife b2 and the 3rd pair of the second offside stubble-cleaning band
Side stubble-cleaning band knife b3, per offside stubble-cleaning, the two panels side stubble-cleaning band knife with knife is circumferentially evenly arranged on rotary tillage cutter shaft 1 and rotation direction
On the contrary, six piece side stubble-cleaning band knives of the every group of side stubble-cleaning with knife group 11b stagger and are circumferentially uniformly distributed；It is all in the present embodiment to go out
Stubble band knife is IT195 rotary machetes, carries out shallow rotation stubble-cleaning；
Also, middle stubble-cleaning with multigroup side stubble-cleanings of the knife group 11a per side with all side stubble-cleanings band knife in knife group 11b with it is many
Group kind bed circumferentially staggers with all kinds of beds band knife in knife group 11c helically to be arranged, i.e., all middle stubble-cleanings are with knife, institute
Some side stubble-cleanings arrange that (wherein A1 is IT245 right with knife and all plant form of the bed with blade row cloth and angle by as shown in Figure 5
Rotation, A2 are that IT245 is left-handed, B1 is that IT195 dextrorotation, B2 are IT195 left-handed), it is staggered as figure is formed altogether in the present embodiment
6 kinds bed band and 7 stubble-cleaning bands, all blades avoid the lateral defeated soil of soil according to Multi sectional helical arrangement mode；In addition,
All kinds of bed band knives and all stubble-cleanings band knife are arranged on rotary tillage cutter shaft by rotary tillage cutter shaft tool rest.
With reference to shown in Fig. 1 and Fig. 2, rearmounted supporting plate 7 is arranged on the bottom rear end of frame 3, rearmounted support by pin obliquely
At the dividing plate 8 that the end of plate 7 is arranged in parallel inserted with several, and the position being located on rearmounted supporting plate 7 between every adjacent separator 8
The kind bed band breach 9 with ft connection is offered, bed band breach 9 is planted and is distributed respectively with multigroup kind of bed band knife group 11c one-to-one corresponding,
The protrusive board 10 and one group of centre stubble-cleaning band knife group 11a and multigroup side stubble-cleaning on rearmounted supporting plate 7 being alternately arranged with kind of bed with breach 9
Band knife group 11b corresponds distribution, as shown in figure 4, i.e. 6 kind bed band breach 9 and 6 kind bed bands 16 are corresponded and arranged, and
The width for planting the breach of bed band 16 is 7 protrusive boards 10 (non-kind bed band breach on i.e. rearmounted supporting plate) and 7 on 100mm, rearmounted supporting plate 7
Individual stubble-cleaning band 17 corresponds arrangement.The rearmounted supporting plate 7 of the bottom rear end of frame 3, it is to avoid kind bed band soil to stubble-cleaning band play,
It is more beneficial for seed growth.
During work, tractor rear output shaft provides power, and stubble ploughing knife pivot travelling gear is transferred to by central tooth roller box 12
Case 4 and rotary blade shaft drive gear box 5, drive rotary tillage rotor 1 and stubble-cleaning rotor 2 to rotate, so as to drive stubble-cleaning knife group 21 and rotation
Plough knife combination 11 to rotate, staggered 6 kinds bed band 16 and 7 stubble-cleaning bands 17 are formed after operation, as shown in figure 4, being operation
Earth's surface 15, kind bed band 16 (correspond to the kind bed on rearmounted supporting plate 7 therewith after schematic diagram, including railway carriage or compartment ditch 13, original ground surface 14, operation
With the regional location of breach 9), stubble-cleaning band 17 (therewith correspond to rearmounted supporting plate 7 on the regional location of protrusive board 10).
Claims (3)
1. a kind of banding kind bed device for reconditioning, including frame (3) and it is arranged on be used to be connected with tractor in frame (3) 3 points
Suspension arrangement (6), and it is installed in the stubble ploughing knife pivot (2) and rotary tillage cutter shaft (1) of frame (3) bottom, installed in stubble ploughing knife pivot
(2) many set stubble-cleaning knife groups (21) on and the rotary blade combination (11) on rotary tillage cutter shaft (1), the stubble ploughing knife pivot (2)
One end be connected with stubble ploughing knife pivot uni-drive gear box (4), one end of the rotary tillage cutter shaft (1) and rotary blade shaft drive gear box
(5) it is connected, the central tooth roller box that the stubble ploughing knife pivot uni-drive gear box (4) is connected with the rotary blade shaft drive gear box (5)
(12)；It is characterized in that：Often cover the stubble-cleaning knife group (21) include being nested with stubble-cleaning knife disk (22) on stubble ploughing knife pivot (2),
The dextrorotation stubble-cleaning knife (24) and multi-disc that multi-disc is circumferentially uniformly arranged in stubble-cleaning knife disk (22) one side are circumferentially uniformly installed
Dextrorotation stubble-cleaning knife (24) and a left side on left-handed stubble-cleaning knife (23) on stubble-cleaning knife disk (22) another side, stubble-cleaning knife disk (22)
Rotation stubble-cleaning knife (23) is circumferentially alternately arranged, and dextrorotation stubble-cleaning knife (24) and left-handed stubble-cleaning knife on every adjacent stubble-cleaning knife group (21)
(23) staggeredly helically arrange；
Rotary blade combination (11) includes stubble-cleaning band knife group (11a) in the middle of one group, and with middle stubble-cleaning band knife group (11a) for pair
Claim that Central Symmetry is distributed in middle stubble-cleaning band knife group (11a) per side and multigroup side stubble-cleaning for being alternately arranged is with knife group (11b) and many
Group kind of bed band knife group (11c), adjacent with middle stubble-cleaning band knife group (11a) is kind of bed band knife group (11c) and itself and kind of bed with a knife
Group (11c) is circumferentially staggeredly arranged；
The middle stubble-cleaning band knife group (11a) includes stubble-cleaning band knife (a1) in the middle of first pair, stubble-cleaning band knife (a2) in the middle of second pair
With the 3rd pair of middle stubble-cleaning band knife (a3), first pair of middle stubble-cleaning is with stubble-cleaning in the middle of knife (a1) and the 3rd pair with knife (a3) with second
To middle stubble-cleaning with knife (a2) be symmetrical centre be arranged symmetrically in the middle of second pair both sides of the stubble-cleaning with knife (a2) and with second pair
Middle stubble-cleaning band knife (a2) is circumferentially staggeredly arranged, and stubble-cleaning band knife is circumferentially equal in the middle of two panels of the stubble-cleaning with knife (a1) in the middle of each pair
It is even be arranged in it is on rotary tillage cutter shaft (1) and oppositely oriented；
Every group of kind bed includes two pairs of orthogonal kind bed band knives (c1), two panels kind bed of each pair kind bed with knife (c1) with knife group (11c)
Band knife is circumferentially evenly arranged on rotary tillage cutter shaft (1) and rotation direction is identical, and the two pairs of rotation directions of kind bed with knife (c1) are positioned opposite；
Every group of side stubble-cleaning band knife group (11b) includes the first offside stubble-cleaning band knife (b1), the second offside stubble-cleaning band knife (b1) and the 3rd
Offside stubble-cleaning band knife (b1), per offside stubble-cleaning, the two panels side stubble-cleaning band knife with knife is circumferentially evenly arranged on rotary tillage cutter shaft (1)
And it is oppositely oriented, all six piece sides stubble-cleaning band knife of the every group of side stubble-cleaning with knife group (11b) staggers and is circumferentially uniformly distributed；
Also, multigroup side stubble-cleaning of the middle stubble-cleaning with knife group (11a) per side is with all side stubble-cleanings band knife in knife group (11b)
Circumferentially stagger with all kinds of beds band knife in knife group (11c) with multigroup kind of bed and helically arrange.
2. according to claim 1 banding kind bed device for reconditioning, it is characterised in that：Frame (3) the bottom rear end is provided with
Rearmounted supporting plate (7) obliquely, the dividing plate (8) that the end of the rearmounted supporting plate (7) is arranged in parallel inserted with several, it is described after
The kind bed band breach (9) offered at the position between being located on supporting plate (7) per the adjacent dividing plate (8) with ft connection is put,
And the kind bed band breach (9) corresponds with multigroup kind of bed band knife group (11c) be distributed respectively；With the kind bed band breach (9)
The protrusive board (10) and one group of centre stubble-cleaning band knife group (11a) and multigroup side stubble-cleaning band on the rearmounted supporting plate (7) being alternately arranged
Knife group (11b) corresponds distribution.
3. banding kind bed device for reconditioning according to claim 1 or claim 2, it is characterised in that：The kind bed band knife is IT245 rotary tillages
Tulwar, the stubble-cleaning band knife is IT195 rotary machetes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720191409.5U CN206542710U (en) | 2017-03-01 | 2017-03-01 | Banding kind bed device for reconditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720191409.5U CN206542710U (en) | 2017-03-01 | 2017-03-01 | Banding kind bed device for reconditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542710U true CN206542710U (en) | 2017-10-10 |
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ID=59994915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720191409.5U Expired - Fee Related CN206542710U (en) | 2017-03-01 | 2017-03-01 | Banding kind bed device for reconditioning |
Country Status (1)
| Country | Link |
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| CN (1) | CN206542710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922230A (en) * | 2017-03-01 | 2017-07-07 | 华中农业大学 | Banding kind bed device for reconditioning |
| CN108848692A (en) * | 2018-05-04 | 2018-11-23 | 华中农业大学 | Six spiral rotary tillage stubble-cleanings bury careless rotor |
-
2017
- 2017-03-01 CN CN201720191409.5U patent/CN206542710U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922230A (en) * | 2017-03-01 | 2017-07-07 | 华中农业大学 | Banding kind bed device for reconditioning |
| CN108848692A (en) * | 2018-05-04 | 2018-11-23 | 华中农业大学 | Six spiral rotary tillage stubble-cleanings bury careless rotor |
| CN108848692B (en) * | 2018-05-04 | 2021-02-02 | 华中农业大学 | Six-head spiral rotary tillage stubble-cleaning grass-burying knife roller |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20200301 |