CN106489366B - Ditching machine - Google Patents
Ditching machine Download PDFInfo
- Publication number
- CN106489366B CN106489366B CN201610957801.6A CN201610957801A CN106489366B CN 106489366 B CN106489366 B CN 106489366B CN 201610957801 A CN201610957801 A CN 201610957801A CN 106489366 B CN106489366 B CN 106489366B
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- Prior art keywords
- cutting tool
- tool assembly
- bracket
- tractor
- assembly bracket
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
Abstract
The present invention relates to a kind of ditching machines, including cutting tool assembly, cutting tool assembly includes the cutter chuck holder adapted of blade and fixed blade, the driving mechanism driving cutter chuck holder adapted rotation being connected with cutter chuck holder adapted, cutter chuck holder adapted rotary type is fixedly connected on cutting tool assembly bracket, upper and lower adjustment mechanism are provided between cutting tool assembly bracket and tractor, upper and lower adjustment mechanism be used to adjust the blade of cutting tool assembly with face contact or separate, the tail end of cutting tool assembly bracket and tractor is hinged and articulated shaft is horizontally disposed, it is connected between cutting tool assembly tractor by belt, be provided on cutting tool assembly bracket and belt against idler roller, the roller core of idler roller is parallel with the articulated shaft of cutting tool assembly bracket, when adjusting the height of cutting tool assembly using upper and lower adjustment mechanism, cutting tool assembly is rotated around the articulated shaft of cutting tool assembly bracket, and the body of roll of idler roller always with the zone face of belt Against, so that it is guaranteed that the tensioning strong degree of the belt between cutting tool assembly and tractor, and then belt slack is avoided to skid.
Description
Technical field
The present invention relates to technical field of agricultural machinery, and in particular to a kind of farmland trench digging uses ditching machine.
Background technique
Ditching machine can with excavated in architectural engineering narrow and deep ground lower groove bury subsoil drain or railway, post and telecommunications,
The departments such as urban construction are for burying cable and pipeline etc., it can also be used to orchard, herbary and other farm environment ditching-fertilizings, row
Water, irrigation.
The existing Mini-type ditching machine for farmland trench digging is mounted in hand tractor mostly.Entitled " postposition left side
Formula ditching machine " (a kind of postposition left side formula ditching machine structure, the trench digging patent No.: are disclosed in patent 201310743234.0)
Machine includes the L-shaped rack that frame connection is directly connect with hand tractor rear portion, and gearbox, the output of gearbox are arranged on the rack
Splined shaft drives rotation by the power mechanism of tractor, and roller cutterhead is arranged on splined shaft, and multiple blade equal parts, which are distributed in, to be turned
The periphery of dynamic roller cutterhead, operator drive hand tractor implementation to the ditching operation in farmland, and operator needs hand-held hand
Tractor is helped, so that the soil of blade and farmland on roller cutterhead presses and cuts in soil and then implement the trench digging behaviour that digs
Make, above-mentioned ditching machine is when implementing to soil earth moving operations, since operator drives the pressing force of the handle of hand tractor
Difference, it is deep when shallow when leading to the depth of trench digging, and when walking is on the ground for not needing trench digging, such as in field
At turn position or the L-shaped rack by loading blade is needed to disassemble from hand tractor or by hand tractor
It lifts so that blade and ground are detached from, operator should take into account hand tractor when holding ditching machine on the left of above-mentioned postposition
Operation, it is the case where taking into account contact of the blade of ditching machine with ground again, especially laborious in actual ditching operation, it is difficult to
It controls.
In order to solve the above technical problems, entitled " ditching machine " (patent No.: discloses in patent 201510617483.4)
Another ditching machine structure, ditching machine include cutting tool assembly bracket, and one end of cutting tool assembly bracket is arranged in cutting tool assembly,
The other end of cutting tool assembly bracket is connect with hand tractor, is provided with up and down adjustment between tractor and cutting tool assembly bracket
Mechanism, upper and lower adjustment mechanism are used to adjust the height of cutting tool assembly up and down direction, so that it is guaranteed that the depth consistency of trench digging, reduces
The labor intensity of operator is provided with belt wheel on the input shaft of the gearbox of the cutter holder assembly of above-mentioned ditching machine and passes through belt
It is connect with the gearbox belt wheel of hand tractor, during upper and lower adjustment mechanism adjusting cutter holder assembly moves up and down, works as tune
When section amplitude is excessive, the belt between the belt wheel of the gearbox of belt wheel and hand tractor on the gearbox of cutter holder assembly holds very much
The phenomenon that easily relaxing, and then leading to belt slippage not only makes cutter holder assembly rotation baffle, but also also reduces the use of belt
Service life.
Summary of the invention
The object of the present invention is to provide a kind of farmland trench digging ditching machines, when implementing to cutting tool assembly height adjustment, energy
The connection strong degree for enough ensuring belt between the gearbox of cutter holder assembly and the gearbox of hand tractor, avoids belt slippage.
To achieve the above object, the present invention adopts the following technical scheme:
Ditching machine, including cutting tool assembly, cutting tool assembly include the cutter chuck holder adapted of blade and fixed blade, are connected with cutter chuck holder adapted
Driving mechanism drives cutter chuck holder adapted rotation, and cutter chuck holder adapted rotary type is fixedly connected on cutting tool assembly bracket, the cutting tool assembly bracket
Be provided with upper and lower adjustment mechanism between tractor, upper and lower adjustment mechanism be used to adjust cutting tool assembly blade and ground face contact or
The tail end of separation, the cutting tool assembly bracket and tractor is hinged and articulated shaft is horizontally disposed, and driving mechanism includes cutting tool assembly
The belt being arranged between tractor, be provided on cutting tool assembly bracket and belt against idler roller, the roller of the idler roller
Core is parallel with the articulated shaft of cutting tool assembly bracket.
Structure of the invention feature also resides in:
The idler roller is arranged on bracket, and one end of the bracket is hingedly arranged on cutting tool assembly bracket, the branch
One end of frame and spring is fixed, and the other end and the cutting tool assembly bracket of spring are fixed.
The tail end hinged end of the cutting tool assembly bracket and tractor is provided with mandril, and the bar length of the mandril is total with cutter
The tail end of articulated shaft arranged beneath that is parallel at stent length and being located at cutting tool assembly bracket, the rod end of mandril and tractor against
Or separation.
The mandril and cutting tool assembly bracket, which are constituted, adjustable is threadedly coupled cooperation.
On the tractor be extended set a roof beam in place, it is described set a roof beam in place it is parallel with the length direction of cutting tool assembly bracket and along
Tractor direction of travel arrangement, the upper and lower adjustment mechanism are located to set a roof beam in place to be arranged between cutting tool assembly bracket.
The upper and lower adjustment mechanism include the cross bar being arranged in below cutting tool assembly bracket, it is described set a roof beam in place on be provided with height
Adjusting rod is spent, the shaft of the height regulating rod and hinged and articulated shaft of setting a roof beam in place are parallel with the articulated shaft of cutting tool assembly bracket, high
One end of degree adjusting rod is connect with cross bar, and the other end of height regulating rod is provided with locking mechanism.
For the height regulating rod in folding rod-like structure, articulated shaft is located at the bending place setting of height regulating rod, the locking
Mechanism includes the adjusting snap-gauge of upper setting of setting a roof beam in place, and adjusting snap-gauge is in circular arc plate structure, adjusts snap-gauge circular arc rim interval and sets
Be equipped with adjusting bayonet, be provided on the height regulating rod with adjust bayonet cooperation bayonet lock, the length direction of the bayonet lock with
The length direction of height regulating rod is parallel, and the first lantern ring is provided on height regulating rod, the second lantern ring is provided on the bayonet lock,
Reset spring is arranged on bayonet lock, the both ends of the reset spring are fixed with the first, second lantern ring respectively, and bayonet lock stretches out first set
One end of ring is connect with pull rod.
The lower pole face that idler wheel and cutting tool assembly bracket are provided on the cross bar constitutes rolling cooperation, and the both ends of cross bar are vertical
It is provided with connecting rod, the bar length of connecting rod is adjustable, is connected as one between the upper end of connecting rod by cross bar, the height adjustment
The rod end of bar is hinged with shaft and articulated shaft is parallel with the articulated shaft of height regulating rod.
Compared with prior art, the technical effect that the present invention has are as follows: the cutting tool assembly bracket of above-mentioned ditching machine is hingedly pacified
Mounted in the tail portion of tractor, in actually trench digging operation, and make the body of roll of idler roller always with the zone face of belt against benefit
With upper and lower adjustment mechanism adjust cutting tool assembly around cutting tool assembly bracket articulated shaft rotate, thus the body of roll of idler roller always with skin
The zone face of band is against and then ensuring the tensioning strong degree of the belt between cutting tool assembly and tractor, belt slack is avoided to skid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that ditching machine is mounted on tractor；
Fig. 2 is the status diagram at ditching machine when in use；
Fig. 3 and Fig. 4 is two kinds of location status schematic diagrames of the upper and lower adjustment mechanism of ditching machine；
Fig. 5 and Fig. 6 is that the cutting tool assembly bracket of ditching machine and two kinds of location status of tractor articulated connection position are illustrated
Figure.
Specific embodiment
In conjunction with Fig. 1 to Fig. 6, the present invention is further described:
Ditching machine, including cutting tool assembly 10, cutting tool assembly 10 includes the cutter chuck holder adapted 12 of blade 11 and fixed blade 11, with knife
The connected driving mechanism driving cutter chuck holder adapted 12 of disk seat 12 rotates, and 12 rotary type of cutter chuck holder adapted is fixedly connected on cutting tool assembly bracket 20
On, upper and lower adjustment mechanism are provided between the cutting tool assembly bracket 20 and tractor A, upper and lower adjustment mechanism are for adjusting cutter
The blade 11 of assembly 10 face contact or is separated with ground, and the tail end of the cutting tool assembly bracket 20 and tractor A is hinged and articulated shaft
Horizontally disposed, driving mechanism includes the belt 13 being arranged between cutting tool assembly 10 and tractor A, is arranged on cutting tool assembly bracket 20
Have with belt 13 against idler roller 21, the roller core of the idler roller 21 is parallel with the articulated shaft of cutting tool assembly bracket 20.
Referring to figs. 1 and 2, ditching machine in actual use, is connect by above-mentioned ditching machine with tractor A first, tool
Body is hinged using pin shaft using one end of the cutting tool assembly bracket 20 of ditching machine and the tail portion of tractor A, and utilizes belt
13 connect the input shaft pulley of the gearbox of cutting tool assembly 10 with the output shaft pulley of the gearbox of tractor A, work as ditching machine
After assembly, so that the body of roll of the body of roll of idler roller 21 and belt 13 is against when upper and lower adjustment mechanism adjust cutting tool assembly branch
Frame 20 around articulated shaft rotation when so that idler roller 21 is with rotation so that idler roller 21 always with belt 13
Zone face against, it is ensured that belt 13 is in tensioning state always, avoid belt 13 skid the phenomenon that.
As a preferred solution of the present invention, 21 rotary type of idler roller is arranged on bracket 22, and the one of the bracket 22
End is hinged to be arranged on cutting tool assembly bracket 20, and the bracket 22 is connect with one end of spring 23, the other end and knife of spring 23
Have assembly bracket 20 to connect；
In above-described embodiment, as shown in connection with fig. 2, idler roller 21 is movable to be arranged on cutting tool assembly bracket 20, and is propped up
By 23 elastic tensioning of spring between frame 22 and cutting tool assembly bracket 20, upper and lower adjustment mechanism adjust cutting tool assembly bracket 20 and rotate
During, so that the state of rotation is presented in idler roller 21 and its bracket 22 of connection, spring 23 is elongated, and bracket 22 is drawn
Tightly, so as to ensure the zone face of idler roller 21 and belt 13 be in always against state, when upper and lower adjustment mechanism are by cutter
When assembly 10 is highly turned up, 23 length of spring shortens and resets, and ensures that idler roller 21 and the zone face of belt 13 are in always
Against state.
Into a ground, in conjunction with shown in Fig. 5 and Fig. 6, the tail end hinged end of the cutting tool assembly bracket 20 and tractor A is arranged
There is mandril 24, the bar of the mandril 24 is long consistent with 20 length extending direction of cutting tool assembly bracket and is located at cutting tool assembly bracket 20
Articulated shaft arranged beneath, the rod end of mandril 24 and the tail end of tractor A against or separate；
When being cut below soil due to the blade 11 of the cutting tool assembly 10 of ditching machine, the cutting tool assembly bracket 20 of tapping machine is long
It spends direction and bears biggish axial stress, the articulated shaft between cutting tool assembly bracket 20 and tractor A is easy to bent, right
This, using the tail end of mandril 24 and tractor A against so as to offset at cutting tool assembly bracket 20 and tractor A articulated connection
Impact stress, and then the abrasion of articulated shaft can be substantially reduced.
The mandril 24 and cutting tool assembly bracket 20, which are constituted, adjustable is threadedly coupled cooperation, the cutting tool assembly bracket 20
On be provided with nut, the mandril 24 is bolt, and mandril 24 is threadedly coupled with nut composition, and setting is locked on mandril 24
Nut facilitates the adjusting for carrying out 24 length of mandril；
In above-described embodiment, ditching machine adjusts cutting tool assembly 10 in actually trench digging operation, using upper and lower adjustment mechanism
Blade 11 and ground face contact, the length of cutting tool assembly bracket 20 are stretched out by adjusting mandril 24, to adjust cutting tool assembly bracket
20 around the articulated shaft of tractor A angle, and then the depth that cutting tool assembly 10 cuts soil is adjusted, specifically, stretching when mandril 24
Cutting tool assembly bracket 20 is longer out, and the limitation cutting tool assembly bracket 20 of mandril 24 is smaller around the bending angle of the articulated shaft of tractor A,
The depth that cutting tool assembly 10 cuts soil is more shallow, and when mandril 24 stretches out, cutting tool assembly bracket 20 is shorter, and it is total that mandril 24 limits cutter
Bigger around the bending angle of the articulated shaft of tractor A at bracket 20, the depth that cutting tool assembly 10 cuts soil is deeper；
Be extended on the tractor A and set a roof beam in place 30, it is described set a roof beam in place it is 30 flat with the length direction of cutting tool assembly bracket 20
It goes and is arranged along tractor A direction of travel, the upper and lower adjustment mechanism are located to set a roof beam in place to be set between 30 and cutting tool assembly bracket 20
It sets, setting a roof beam in place tail wheel and seat is installed on 30, in actually trench digging operation, operating personnel be can be seated, by manual, electric
Dynamic or mechanical mode adjusts the height of cutter holder assembly 10, so that cutter holder assembly bracket 20 is rotated around articulated shaft, and then adjusts
The ditching depth of ditching machine.
Specifically, in conjunction with shown in Fig. 3 and Fig. 4, the upper and lower adjustment mechanism include being arranged under cutting tool assembly bracket 20
The cross bar 41 of side, described set a roof beam in place are provided with height regulating rod 42 on 30, the shaft of the height regulating rod 42 and set a roof beam in place 30 hinged
And articulated shaft is parallel with the articulated shaft of cutting tool assembly bracket 20, one end of height regulating rod 42 is connect with cross bar 41, height adjustment
The other end of bar 42 is provided with locking mechanism；
In above-described embodiment, using height regulating rod 42 is pulled, so that height regulating rod 42 rotates, and then adjustable cross bar
41 height, so that the adjusting implemented to 10 height of cutting tool assembly utilizes locking after the height adjustment of cutting tool assembly 10 is suitable
Mechanism is by 10 locking of cutting tool assembly.
For the height regulating rod 42 in folding rod-like structure, articulated shaft is located at the bending place setting of height regulating rod 42, described
Locking mechanism includes the adjusting snap-gauge 43 being arranged on 30 of setting a roof beam in place, and adjusting snap-gauge 43 is in circular arc plate structure, adjusts 43 circular arc of snap-gauge
Shape edge, which is arranged at intervals with, adjusts bayonet 431, and the bayonet lock cooperated with adjusting bayonet 431 is provided on the height regulating rod 42
421, the length direction of the bayonet lock 421 is parallel with the length direction of height regulating rod 42, and is provided on height regulating rod 42
One lantern ring 422 is provided with the second lantern ring 423 on the bayonet lock 421, reset spring 44, the reset bullet is arranged on bayonet lock 421
The both ends of spring 44 are fixed with the first, second lantern ring 422,423 respectively, and bayonet lock 421 stretches out one end and the pull rod 45 of the first lantern ring 422
Connection；
In above-described embodiment, by manpower control operating rod 45, so that the adjusting card of the rod end of bayonet lock 421 and adjusting snap-gauge 43
Mouth 431, which is constituted, to be engaged by clamping, so that height regulating rod 42 is fixed up, and then cutting tool assembly 10 is fixed up.
The lower pole face composition rolling that idler wheel and cutting tool assembly bracket 20 are provided on the cross bar 41 cooperates, and the two of cross bar 41
End is vertically arranged with connecting rod 411, and the bar length of connecting rod 411 is adjustable, is connected between the upper end of connecting rod 411 by cross bar 412
It is integrated, the rod end of the height regulating rod 42 is hinged with shaft and articulated shaft is parallel with the articulated shaft of height regulating rod 42；It is logical
The length of above-mentioned connecting rod 411 is overregulated, adjustable cutting tool assembly bracket 20 is located at the rotational angle of tractor A tail end, in turn
Realize the adjusting to ditching depth.
The tractor that ditching machine disclosed by the invention is less applicable in the production of the Changjiang river Jiangsu and Zhejiang Provinces Pai Deng area uses, and is suitable for Zheng
The tractor that the chassis of the real estates such as state, Wuhan can not move up and down uses and Yellow Crane Tower tractor uses.
Claims (6)
1. ditching machine, including cutting tool assembly (10), cutting tool assembly (10) includes the cutter chuck holder adapted of blade (11) and fixed blade (11)
(12), driving mechanism driving cutter chuck holder adapted (12) rotation being connected with cutter chuck holder adapted (12), cutter chuck holder adapted (12) rotary type are fixedly connected on
On cutting tool assembly bracket (20), it is characterised in that: be provided with downward between the cutting tool assembly bracket (20) and tractor (A)
Save mechanism, upper and lower adjustment mechanism be used to adjust the blades (11) of cutting tool assembly (10) with face contact or separate, the cutter is total
Hinged at the tail end of bracket (20) and tractor (A) and articulated shaft is horizontally disposed, driving mechanism includes cutting tool assembly (10) and drag
The belt (13) being arranged between machine drawing (A), be provided on cutting tool assembly bracket (20) with belt (13) against idler roller (21),
The roller core of the idler roller (21) is parallel with the articulated shaft of cutting tool assembly bracket (20)；
The idler roller (21) is arranged on bracket (22), and cutting tool assembly bracket is hingedly arranged in one end of the bracket (22)
(20) on, the bracket (22) connect with one end of spring (23), and the other end of spring (23) and cutting tool assembly bracket (20) are even
It connects；
The tail end hinged end of the cutting tool assembly bracket (20) and tractor (A) are provided with mandril (24), the mandril (24)
Length is consistent with cutting tool assembly bracket (20) length extending direction, is located at the articulated shaft arranged beneath of cutting tool assembly bracket (20),
The rod end of mandril (24) and the tail end of tractor (A) against or separate.
2. ditching machine according to claim 1, it is characterised in that: the mandril (24) and cutting tool assembly bracket (20) are constituted
Adjustable threaded connection cooperation.
3. ditching machine according to claim 2, it is characterised in that: it is extended on the tractor (A) and sets a roof beam in place (30),
It is described set a roof beam in place (30) it is parallel with the length direction of cutting tool assembly bracket (20) and along tractor (A) direction of travel arrange, it is described
Upper and lower adjustment mechanism are located to set a roof beam in place (30) to be arranged between cutting tool assembly bracket (20).
4. ditching machine according to claim 3, it is characterised in that: the upper and lower adjustment mechanism include that setting is total in cutter
At the cross bar (41) on bracket (20), described set a roof beam in place is provided with height regulating rod (42) on (30), the height regulating rod (42)
Shaft with set a roof beam in place that (30) are hinged and articulated shaft is parallel with the articulated shaft of cutting tool assembly bracket (20), the one of height regulating rod (42)
End is connect with cross bar (41), and the other end of height regulating rod (42) is provided with locking mechanism.
5. ditching machine according to claim 4, it is characterised in that: the height regulating rod (42) is in folding rod-like structure, hinge
Spindle is located at the bending place setting of height regulating rod (42), and the locking mechanism includes the adjusting snap-gauge being arranged on (30) of setting a roof beam in place
(43), adjusting snap-gauge (43) is in circular arc plate structure, adjusts snap-gauge (43) circular arc rim and is arranged at intervals with adjusting bayonet
(431), the bayonet lock (421) for being provided on the height regulating rod (42) and adjusting the clamping engagement of bayonet (431) composition, the card
The length direction for selling (421) is parallel with the length direction of height regulating rod (42), and height regulating rod is provided with first set on (42)
Ring (422) is provided with the second lantern ring (423) on the bayonet lock (421), is arranged on bayonet lock (421) reset spring (44), described
The both ends of reset spring (44) are fixed with the first, second lantern ring (422,423) respectively, and bayonet lock (421) stretches out the first lantern ring (422)
One end connect with pull rod (45).
6. ditching machine according to claim 4, it is characterised in that: be provided with idler wheel and cutting tool assembly on the cross bar (41)
The lower pole face of bracket (20) constitutes rolling cooperation, and the both ends of cross bar (41) are vertically arranged with connecting rod (411), connecting rod (411)
Bar length it is adjustable, be connected as one between the upper end of connecting rod (411) by cross bar (412), the height regulating rod (42)
Rod end is hinged with shaft and articulated shaft is parallel with the articulated shaft of height regulating rod (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957801.6A CN106489366B (en) | 2016-10-28 | 2016-10-28 | Ditching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957801.6A CN106489366B (en) | 2016-10-28 | 2016-10-28 | Ditching machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106489366A CN106489366A (en) | 2017-03-15 |
| CN106489366B true CN106489366B (en) | 2019-01-15 |
Family
ID=58322483
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610957801.6A Active CN106489366B (en) | 2016-10-28 | 2016-10-28 | Ditching machine |
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| CN (1) | CN106489366B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934229B (en) * | 2017-05-19 | 2024-02-09 | 河南如意林园林机械有限公司 | Belt tensioning and taking type ditching machine |
| CN208258420U (en) * | 2017-06-12 | 2018-12-21 | 河南如意林园林机械有限公司 | A kind of suspension type mowing-apparatus |
| CN107873184A (en) * | 2017-11-28 | 2018-04-06 | 广西大学 | A kind of small-sized tea tree ditching and fertilization all-in-one machine |
| CN109041675A (en) * | 2018-09-21 | 2018-12-21 | 田开林 | Front-end ditching machine and trench digging method |
| CN109041674B (en) * | 2018-09-21 | 2024-02-02 | 霍邱县开林机械制造有限公司 | Frame structure of front-mounted ditcher |
| CN109041678B (en) * | 2018-10-10 | 2024-02-09 | 霍邱县开林机械制造有限公司 | Rear-mounted ditching machine |
| CN112359899B (en) * | 2020-11-25 | 2022-04-22 | 中铁工程装备集团有限公司 | Wheel type cutter head hard rock trencher |
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| CN205454437U (en) * | 2016-01-14 | 2016-08-17 | 程振勇 | Conveniently exempt from to smash seeder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7581503B2 (en) * | 2007-09-04 | 2009-09-01 | Deere & Company | Fertilizer opener/closer arrangement for an agricultural machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202406606U (en) * | 2012-01-13 | 2012-09-05 | 温岭正峰动力有限公司 | Edge-cutting machine |
| CN203366485U (en) * | 2013-06-13 | 2013-12-25 | 赵俊辉 | Transmission failure alarm device for seed-metering device |
| CN105133682A (en) * | 2015-09-24 | 2015-12-09 | 田开林 | Furrowing machine |
| CN205100271U (en) * | 2015-09-24 | 2016-03-23 | 田开林 | Ditcher |
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| CN106489366A (en) | 2017-03-15 |
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