CN106489414A - A kind of chain saw type cutter sweep with baler pickup collaborative work - Google Patents
A kind of chain saw type cutter sweep with baler pickup collaborative work Download PDFInfo
- Publication number
- CN106489414A CN106489414A CN201611099824.4A CN201611099824A CN106489414A CN 106489414 A CN106489414 A CN 106489414A CN 201611099824 A CN201611099824 A CN 201611099824A CN 106489414 A CN106489414 A CN 106489414A
- Authority
- CN
- China
- Prior art keywords
- chain saw
- saw type
- guide plate
- cutter sweep
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/83—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having cutting members on endless belts or sprocket chains
- A01D34/833—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having cutting members on endless belts or sprocket chains with blades on endless sprocket chains
Abstract
The invention provides the chain saw type cutter sweep with baler pickup collaborative work, including two symmetrical chain saw type sicklies, the chain saw type sickle includes hydraulic motor, change speed gear box, knife chain, guide plate, drive sprocket, guide plate mounting seat and guide plate fixed seat, the chain saw type sickle is connected by middle splint, and the two ends of chain saw type cutter sweep are connected with baler frame by hanging mechanisms；The present invention can be dissimilar with the height for the stubble left etc. according to straw, decide whether using chain saw type cutter sweep, during chain saw type cutter sweep operation, straw is cut off by the chain saw type sickle being symmetrically installed to be gathered in front of pickup, it is easy to pickup to pick up, expand baler job area, it is achieved that traditional baler a tractor serves several purposes, increased the collecting amount of straw.
Description
Technical field
A kind of the present invention relates to stalk cutting bundling technical field, more particularly to and baler pickup collaborative work chain
Saw formula cutter sweep.
Background technology
China's agricultural straw resource enriches, and value is high, but straw species is more and disperses, different straw collectings
Mechanization degree development is unbalanced.Baler is increasingly used widely due to high working efficiency, low price, but is passed
System baler job area is narrow, it is impossible to meet the collection bundling of multiple straws, and for high-stubble straw, hard snag and soft
The problems such as matter snag etc. wastes stalk resource as collection bundling difficulty causes straw toothing high, does not obtain effectively solving.
For this purpose, the present invention proposes configuration in front of the existing baler elastic claw pickup installs chain saw type cutter sweep, to high-stubble straw,
Multiple straws such as hard snag and soft snag carry out cutting, elastic claw is picked up, feeding and bundled operation, expand existing baler
Job area, realizes a tractor serves several purposes, improves straw collecting utilization rate.
Content of the invention
For Shortcomings in prior art, the invention provides a kind of and baler pickup collaborative work chain saw type
Cutter sweep.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of chain saw type cutter sweep with baler pickup collaborative work, cuts including two symmetrical chain saw types
Cutter, the chain saw type sickle include hydraulic motor, change speed gear box, knife chain, guide plate, drive sprocket, guide plate mounting seat and guide plate
Fixed seat；
Secondary gear speed increaser is provided with the change speed gear box, and hydraulic motor output shaft is by shaft coupling and speed increaser input shaft
Connection, the drive sprocket are fixed on output shaft of the speed increaser, and the rotating speed of the hydraulic motor of two chain saw type sicklies is conversely, institute
State change speed gear box both sides and be fixed with change speed gear box fix bar A and change speed gear box fix bar B；
The guide plate mounting seat is fixed on the base plate of change speed gear box, and one end of guide plate is solid installed in guide plate mounting seat and guide plate
Between reservation, guide plate is detachably connected with guide plate mounting seat and guide plate fixed seat, and the knife chain is located on guide plate and drive sprocket,
Knife chain is driven by drive sprocket, and the other end of the guide plate of two symmetrical chain saw type sicklies is symmetrically connected by middle splint
Connect；
The two ends of the chain saw type cutter sweep are equipped with hanging mechanisms, and the chain saw type cutter sweep passes through hanging mechanisms
It is articulated in baler frame.
Preferably, the chain saw type cutter sweep also includes knife chain elasticity adjusting mechanism, the knife chain elasticity adjusting mechanism
Including regulating bolt and slide block, the regulating bolt is adjusted through the screwed hole on gear-box side wall and guide plate fixed seat one end
The end of bolt is contacted with the inwall of the guide plate fixed seat other end, and regulating bolt can only radial rotary and not axial feed；Described
The top of slide block is threadedly coupled with regulating bolt, and the bottom of slide block is interspersed in the position adjustments hole of guide plate.
Preferably, the hanging mechanisms include that drag link and two identical adjusting rods, the adjusting rod include adjusting rod
Sleeve and adjusting rod mobile bar, the regulation rod sleeve are enclosed within adjusting rod mobile bar, and described two identical adjusting rods are tune
Pole A and adjusting rod B, one end of adjusting rod A are hinged with change speed gear box fix bar A, and the other end is hinged with contour wheel installation axle, are adjusted
One end of bar B is hinged with change speed gear box fix bar B, and the other end is hinged with pickup main shaft；In one end of drag link and adjusting rod A
Between position be hinged, contour wheel fixing axle mounting on the other end of drag link and cabinet wall, the drag link are provided with two mountings
Groove, is mounted with contour wheel fixing axle when sickle is in two diverse locations respectively.
Preferably, the adjusting rod also includes electric cylinder, and installed in adjusting on rod sleeve, electric cylinder includes the electric cylinder
Electric pushrod and electric cylinder cylinder body.
Preferably, 10 20mm gaps are provided between two knife chains at the middle splint.
Preferably, the resultant gear ratio of the gear speeder in the change speed gear box is 1：2.
The invention has the beneficial effects as follows：
1) present invention by operating hanging mechanisms, realizes chain by cutter sweep in front of baler elastic claw pickup
Switching of the saw formula cutter sweep in elastic claw pickup front end and top position；
2) present invention can be dissimilar with the height for the stubble left etc. according to straw, decides whether using chain saw type cutter sweep,
During chain saw type cutter sweep operation, straw is cut off by the chain saw type sickle that is symmetrically installed to be gathered in front of pickup, is easy to pick up
Pick up device pickup；
3) present invention expands baler job area under integration of operation of the chain saw type cutter sweep with pickup, realizes
Traditional baler a tractor serves several purposes, increased the collecting amount of straw, improves the economic benefit of straw.
Description of the drawings
Fig. 1 is the structural representation of the chain saw type cutter sweep with baler pickup collaborative work of the present invention.
Fig. 2 is chain saw type sickle change speed gear box top view of the present invention.
Fig. 3 is chain saw type sickle structural representation of the present invention.
Fig. 4 is middle splint scheme of installation of the present invention.
Fig. 5 is adjusting rod structural representation of the present invention.
Fig. 6 is that the chain saw type cutter sweep with baler pickup collaborative work of the present invention is arranged on baler
Structural representation.
Fig. 7 is of the present invention and baler pickup collaborative work chain saw type cutter sweep is recovered to above pickup
Axonometric drawing.
Wherein：
I. chain saw type sickle；II. hanging mechanisms；1st, cardan drive；2nd, transfer case；3rd, transfer case power transmission shaft；4th, just
Level Chain conveyer；5th, secondary Chain conveyer；6th, contour wheel installation axle；7th, contour wheel fixing axle；8th, drag link；9th, contour wheel；10th, profiling
Wheel support；11st, shaft coupling；12 motor mounts；13rd, elastic claw elastic claw pickup；14th, change speed gear box fix bar A；15th, hydraulic motor；
16；Output shaft of the speed increaser；17th, drive sprocket；18th, guide plate mounting seat；19th, slide block；20th, regulating bolt；21st, knife chain；22nd, lead
Plate；23rd, guide plate fixed seat；24th, little gear；25th, idler gear；26th, gear wheel；27th, middle splint；28th, cutter tooth；29th, electronic
Cylinder push rod；30th, electric cylinder cylinder body；31st, rod sleeve is adjusted；32nd, adjusting rod mobile bar；33rd, traction frame；34th, speed increaser input shaft；
35th, speed increaser jackshaft；36th, change speed gear box；37. change speed gear box fix bars B.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
As shown in figure 1, a kind of chain saw type cutter sweep with baler pickup collaborative work of the present invention, including
With regard to two symmetrical identical chain saw type sicklies I of middle guide plate 27, as shown in Figure 2 and Figure 6, the chain saw type sickle I
Including hydraulic motor 15, change speed gear box 36, knife chain 21, guide plate 22, drive sprocket 17, guide plate mounting seat 18,23 and of guide plate fixed seat
Knife chain elasticity adjusting mechanism.As shown in Fig. 2 being provided with resultant gear ratio in the change speed gear box 36 for 1：2 secondary gear speed increaser, liquid
15 output shaft of pressure motor is connected with speed increaser input shaft 34 by shaft coupling 11, the drive sprocket 17 and output shaft of the speed increaser 16
By bonded, 36 both sides of the change speed gear box are fixed with change speed gear box fix bar A14 and change speed gear box fix bar B37, for mounting
Mechanism II connects.
As shown in figure 3, guide plate mounting seat 18 is bolted on 36 base plate of change speed gear box, two spiral shells of surface soldered thereon
Bolt.22 one end hole slot of guide plate passes through two bolts in guide plate mounting seat 18, with 18 upper surface of guide plate mounting seat.Guide plate is solid
23 base plate installing hole of reservation passes through two bolts in guide plate mounting seat 18, with 22 upper surface of guide plate.In guide plate mounting seat
18 with guide plate fixed seat 23 in the presence of, guide plate 22 is fixed in change speed gear box 36.The knife chain 21 is located at guide plate 22 and drives
On sprocket wheel 17, knife chain 21 is driven by drive sprocket 17.
As shown in figure 4, the other end of the guide plate 22 of described two identical chain saw type sicklies I passes through middle splint 27 pairs
Claim connection, improve chain saw type cutter sweep integral rigidity and reliability.It is located between two knife chains 21 at middle splint 27 and stays
There are 10 20mm gaps, cutter tooth 28 is interfered when preventing knife chain 21 from moving.
As shown in figure 3, the knife chain elasticity adjusting mechanism includes that regulating bolt 20 and slide block 19, the regulating bolt 20 are worn
Screwed hole on crossing gear-box side wall and 23 one end of guide plate fixed seat, the end of regulating bolt 20 and 23 other end of guide plate fixed seat
Inwall contact, regulating bolt 20 can only radial rotary and not axial feed；The top of the slide block 19 and 20 spiral shell of regulating bolt
Stricture of vagina connects, and the bottom of slide block 19 is interspersed in the position adjustments hole of guide plate 22.Spanner turns regulating bolt 20 and rotates, and slide block 19 exists
Move axially along regulating bolt 20 in the presence of screw thread, drive guide plate 22 to move horizontally, adjust 21 elasticity of knife chain.When knife chain 21
When elasticity needs to adjust, in advance by the nut loosening on the nut and middle splint 27 of fastening guide plate 22 end, then spanner
Turn regulating bolt 20 to rotate, slide block 19 is moved horizontally in the presence of screw thread, drive guide plate 22 to move horizontally, adjust knife chain 21
Elasticity, then again by the nut screwing clamping on the nut and middle splint 27 of 22 end of fastening guide plate.
As shown in fig. 6, the chain saw type cutter sweep with baler pickup collaborative work of the present invention is applied to
On baler, elastic claw pickup 13 is fixedly mounted in baler frame, and the baler frame two ends pass through profiling wheel support
10 are connected with contour wheel 9, and the two ends of the chain saw type cutter sweep are articulated in baler frame by hanging mechanisms II.
The hanging mechanisms II, including two identical adjusting rods and drag link 8, as shown in figure 5, the adjusting rod includes
Rod sleeve 31, adjusting rod mobile bar 32 and electric cylinder is adjusted, the regulation rod sleeve 31 is enclosed within adjusting rod mobile bar 32, described
Installed in adjusting on rod sleeve 31, electric cylinder includes electric pushrod 29 and electric cylinder cylinder body 30 to electric cylinder.As shown in fig. 6, described
Two identical adjusting rods are adjusting rod A and adjusting rod B, and one end of adjusting rod A is hinged with change speed gear box fix bar A14, the other end
It is hinged with contour wheel installation axle 6, one end of adjusting rod B is hinged with change speed gear box fix bar B37, the other end is cut with scissors with pickup main shaft
Connect；One end of drag link 8 is hinged with the centre position of adjusting rod A, contour wheel fixing axle on the other end of drag link 8 and cabinet wall
7 mountings, are processed two mounting grooves, are fixed with contour wheel when sickle is in two diverse locations respectively on the drag link 8
Axle 7 is mounted, and forms stable three-legged structure, strengthens the rigidity and stability of chain saw type cutter sweep.Meanwhile, chain saw type cutting dress
Put in cutting operation, can be in the presence of contour wheel 9, perceiving ground rises and falls, and prevents knife chain to be absorbed in soil and damage knife
Tooth 28.
The course of work of the chain saw type cutter sweep with baler pickup collaborative work of the present invention：
When straw needs to cut, by controlling electric cylinder switch, stretch out electric cylinder push rod 29, while by drag link 8
Upper corresponding mounting groove is mounted with contour wheel fixing axle 7, and chain saw type cutter sweep is adjusted in front of elastic claw pickup 13 properly
Position, it is ensured that sickle guide plate 22 keeps level with ground, and apart from ground about 10cm or so.Then by baler traction frame 33
Mount with tractor, the power output shaft of tractor is connected with the cardan drive 1 of baler, then by transfer case 2 through transfer
Case power transmission shaft 3 imparts power to drive sprocket, imparts power to elastic claw and pick up through primary Chain conveyer 4 and secondary Chain conveyer 5
Device main shaft is picked up, drives elastic claw pickup 13 to rotate.
As shown in fig. 6, tractor carries hydraulic pump provides pressure oil by hydraulic system, 15 turns of two hydraulic motors are driven
Dynamic, the output shaft of hydraulic motor 15 is hinged with speed increaser input shaft 34 by shaft coupling 11, and speed increaser input shaft 34 drives canine tooth
Wheel 26 is rotated, and gear wheel 26 drives idler gear 25 to rotate by gear engagement, and idler gear 25 is driven little by gear engagement
Gear 24 is rotated.Under gear engagement, resultant gear ratio 1 pressed by hydraulic motor 15:2 that rotating speed and moment of torsion are passed to speed increaser is defeated
Rotating speed and moment of torsion are passed to the drive sprocket 17 of chain saw type sickle I, band by the conduction of key for shaft 16, output shaft 16
Moving knife chain 21 is around 22 quick motion of guide plate.The rotating speed of the hydraulic motor 15 of two chain saw type sicklies I is contrary, it is ensured that knife chain 21
Linear velocity is in opposite direction, is simultaneously directed to machine centre position, under 21 cutting speed of knife chain and machine forwarding speed effect, straw
Stalk is cut off to be gathered in 13 front centre position of elastic claw pickup, and straw field pickup is risen and conveyed by elastic claw by elastic claw pickup 13
Arrive grass breaking device.
As shown in fig. 7, when straw need not cut, chain saw type cutter sweep is recovered to above elastic claw pickup 13.
By controlling electric cylinder switch, two groups of electric cylinder push rods 29 are made to retract, while mounting groove and contour wheel by corresponding on drag link 8
Fixing axle 7 is mounted, and chain saw type cutter sweep is adjusted to the correct position above elastic claw pickup 13, not with other positions on machine
Put and interfere.The factors such as species, the height for the stubble left according to straw decide whether, using chain saw type cutter sweep, to expand existing beating
The job area of bundle machine, it is achieved that a tractor serves several purposes.
The embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of the flesh and blood of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (6)
1. the chain saw type cutter sweep of a kind of and baler pickup collaborative work, it is characterised in that symmetrical including two
Chain saw type sickle (I), described chain saw type sickle (I) includes hydraulic motor (15), change speed gear box (36), knife chain (21), leads
Plate (22), drive sprocket (17), guide plate mounting seat (18) and guide plate fixed seat (23)；
Secondary gear speed increaser is provided with change speed gear box (36), and hydraulic motor (15) output shaft is by shaft coupling (11) and speedup
Device input shaft (34) connects, and drive sprocket (17) are fixed on output shaft of the speed increaser (16), two chain saw type sicklies
The rotating speed of hydraulic motor (15) is conversely, the change speed gear box (36) both sides are fixed with change speed gear box fix bar A (14) and change speed gear box is fixed
Bar B (37)；
Guide plate mounting seat (18) are fixed on the base plate of change speed gear box (36), and one end of guide plate (22) is arranged on guide plate mounting seat
(18) and guide plate fixed seat (23) between, guide plate (22) is detachably connected with guide plate mounting seat (18) and guide plate fixed seat (23),
Knife chain (21) are located on guide plate (22) and drive sprocket (17), and knife chain (21) is driven by drive sprocket (17), and two symmetrical
The guide plate (22) of the chain saw type sickle of distribution is connected by middle splint (27)；
The two ends of the chain saw type cutter sweep are equipped with hanging mechanisms (II), and the chain saw type cutter sweep passes through hanging mechanisms
(II) it is articulated in baler frame.
2. the chain saw type cutter sweep of according to claim 1 and baler pickup collaborative work, it is characterised in that institute
Stating chain saw type sickle (I) also includes that knife chain elasticity adjusting mechanism, the knife chain elasticity adjusting mechanism include regulating bolt (20)
With slide block (19), described regulating bolt (20) are adjusted through the screwed hole on gear-box side wall and guide plate fixed seat (23) one end
The end of bolt (20) is contacted with the inwall of guide plate fixed seat (23) other end, and regulating bolt (20) can only radial rotary and not axle
To feeding；The top of slide block (19) is threadedly coupled with regulating bolt (20), and the bottom of slide block (19) is interspersed in guide plate (22)
Position adjustments hole in.
3. the chain saw type cutter sweep of according to claim 1 and baler pickup collaborative work, it is characterised in that institute
Hanging mechanisms (II) are stated including drag link (8) and two identical adjusting rods, the adjusting rod include regulation rod sleeve (31) and
Adjusting rod mobile bar (32), regulation rod sleeve (31) are enclosed within adjusting rod mobile bar (32), and described two identicals are adjusted
Bar is adjusting rod A and adjusting rod B, and one end of adjusting rod A is hinged with change speed gear box fix bar A (14), the other end and contour wheel installation
Axle (6) is hinged, and one end of adjusting rod B is hinged with change speed gear box fix bar B (37), and the other end is hinged with pickup main shaft；Drag link
(8) one end is hinged with the centre position of adjusting rod A, and the other end of drag link (8) is hung with contour wheel fixing axle (7) on cabinet wall
Connect, drag link (8) be provided with two mounting grooves, respectively sickle be in two diverse locations when with contour wheel fixing axle
(7) mount.
4. the chain saw type cutter sweep of according to claim 3 and baler pickup collaborative work, it is characterised in that institute
Stating adjusting rod also includes electric cylinder, and installed in adjusting on rod sleeve (31), electric cylinder includes electric pushrod (29) to the electric cylinder
With electric cylinder cylinder body (30).
5. the chain saw type cutter sweep of according to claim 1 and baler pickup collaborative work, it is characterised in that institute
10 20mm gaps are provided between two knife chains (21) for stating middle splint (27) place.
6. the chain saw type cutter sweep of according to claim 1 and baler pickup collaborative work, it is characterised in that institute
The resultant gear ratio for stating the gear speeder in change speed gear box (36) is 1：2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099824.4A CN106489414B (en) | 2016-12-02 | 2016-12-02 | A kind of chain saw type cutter device to cooperate with baler pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099824.4A CN106489414B (en) | 2016-12-02 | 2016-12-02 | A kind of chain saw type cutter device to cooperate with baler pickup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106489414A true CN106489414A (en) | 2017-03-15 |
| CN106489414B CN106489414B (en) | 2019-04-30 |
Family
ID=58329247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611099824.4A Active CN106489414B (en) | 2016-12-02 | 2016-12-02 | A kind of chain saw type cutter device to cooperate with baler pickup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106489414B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107615972A (en) * | 2017-09-30 | 2018-01-23 | 江苏大学 | A kind of baler connection group rotating disk knife cutter device |
| CN112449770A (en) * | 2020-11-30 | 2021-03-09 | 安徽正宏现代农业生态科技发展有限公司 | Based on tea-oil camellia is planted and uses weeds clearing device |
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| US4182098A (en) * | 1977-06-10 | 1980-01-08 | Kass Kenneth J | Apparatus and method for harvesting and windrowing corn |
| CN2130031Y (en) * | 1992-07-14 | 1993-04-21 | 胡通放 | Chain saw band type harvester |
| JP2001148921A (en) * | 1999-11-24 | 2001-06-05 | Soda Noki Sekkei Jimusho:Kk | Mowing machine |
| CN202799656U (en) * | 2012-09-26 | 2013-03-20 | 德阳嘉龙机械制造有限公司 | Header lifting type reaper-binder |
| CN203590724U (en) * | 2013-11-26 | 2014-05-14 | 天津市冠凯科技有限公司 | Harvesting mechanism of cane harvester |
| CN203944923U (en) * | 2014-06-30 | 2014-11-19 | 陈城斌 | Manual tensioning electric chain saw |
| CN204560244U (en) * | 2015-04-27 | 2015-08-19 | 长春理工大学 | Wheeled harvester |
| CN206283846U (en) * | 2016-12-02 | 2017-06-30 | 江苏大学 | A kind of chain saw type cutter sweep cooperated with baler pickup |
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2016
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182098A (en) * | 1977-06-10 | 1980-01-08 | Kass Kenneth J | Apparatus and method for harvesting and windrowing corn |
| CN2130031Y (en) * | 1992-07-14 | 1993-04-21 | 胡通放 | Chain saw band type harvester |
| JP2001148921A (en) * | 1999-11-24 | 2001-06-05 | Soda Noki Sekkei Jimusho:Kk | Mowing machine |
| CN202799656U (en) * | 2012-09-26 | 2013-03-20 | 德阳嘉龙机械制造有限公司 | Header lifting type reaper-binder |
| CN203590724U (en) * | 2013-11-26 | 2014-05-14 | 天津市冠凯科技有限公司 | Harvesting mechanism of cane harvester |
| CN203944923U (en) * | 2014-06-30 | 2014-11-19 | 陈城斌 | Manual tensioning electric chain saw |
| CN204560244U (en) * | 2015-04-27 | 2015-08-19 | 长春理工大学 | Wheeled harvester |
| CN206283846U (en) * | 2016-12-02 | 2017-06-30 | 江苏大学 | A kind of chain saw type cutter sweep cooperated with baler pickup |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107615972A (en) * | 2017-09-30 | 2018-01-23 | 江苏大学 | A kind of baler connection group rotating disk knife cutter device |
| CN112449770A (en) * | 2020-11-30 | 2021-03-09 | 安徽正宏现代农业生态科技发展有限公司 | Based on tea-oil camellia is planted and uses weeds clearing device |
| CN112449770B (en) * | 2020-11-30 | 2021-09-14 | 安徽正宏现代农业生态科技发展有限公司 | Based on tea-oil camellia is planted and uses weeds clearing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106489414B (en) | 2019-04-30 |
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