CN208159162U - A kind of furrow ditch depth is adjustable at compartment ridger - Google Patents
A kind of furrow ditch depth is adjustable at compartment ridger Download PDFInfo
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- CN208159162U CN208159162U CN201820570102.0U CN201820570102U CN208159162U CN 208159162 U CN208159162 U CN 208159162U CN 201820570102 U CN201820570102 U CN 201820570102U CN 208159162 U CN208159162 U CN 208159162U
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Abstract
It is adjustable at compartment ridger that the utility model discloses a kind of furrow ditch depth, including rack, rotary tillage component and the gearbox for driving rotary tillage component are installed in rack, the rear of rotary tillage component two sides be equipped be connected with gearbox at ditch ridging component, be mounted on the rack in a manner of being adjustable height at ditch ridging component ditch depth regulating mechanism.The furrow ditch depth is adjustable to have many advantages, such as that structure is simple, work efficiency is high, trench digging effect is good, flexibility and adaptability are high at compartment ridger.
Description
Technical field
The utility model relates to agricultural machinery technological fields, and in particular to a kind of furrow ditch depth is adjustable to be filled at compartment ridging
It sets.
Background technique
Rape is the main oil crops in China, and 7,000,000 hectares of long-term rapeseed cultivation area, is planted by 12,000,000 tons of annual output
It plants area and total output occupies first place in the world, but still can not meet the huge edible oil demand in China.According to National Development and Reform Committee
Website message, China's edible vegetable oil degree of self-sufficiency need to greatly develop the plantation of the oil crops such as rape less than 40%, ensure state
Interior oil supply and national food and oil safety.For south China rapeseed cultivation generally based on Rice-rape rotation, preceding stubble rice toothing is high, close
Degree is big and the glutinous weight of soil, artificial ditching, ridging large labor intensity, low efficiency are not able to satisfy the people-oriented Scientific Outlook on Development.Together
When, because rape is that the system of taproot avoids water crop, it should guarantee that ridge soil is fine crushing, smooth to guarantee in the planting process of rape
The emergence of seed implantation, holds three ditches successfully again in favor of pouring water before the winter and draining after the spring.
Existing most of agricultural ditching machinery can be only done ditching operation, cannot be completed at the same time ridging and rotary tillage process,
Therefore a kind of rotary tillage ditching ridger that can carry out ridging and rotary tillage process simultaneously is studied for the plantation meaning of ridge culture rape
It is great.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, provide a kind of structure it is simple,
Work efficiency is high, the trench digging furrow ditch depth that effect is good, flexibility and adaptability are high is adjustable at compartment ridger.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of furrow ditch depth is adjustable at compartment ridger, including rack, is equipped with rotary tillage component and use in the rack
In driving rotary tillage component gearbox, the rear of the rotary tillage component two sides be equipped be connected with gearbox at ditch ridging group
Part, it is described to be mounted on the rack in a manner of being adjustable height at ditch ridging component ditch depth regulating mechanism.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that the ditch depth regulating mechanism include swinging frame and
Flexible actuator, the swinging frame are hingedly mounted in rack and can swing up and down around hinge axes movement, the flexible driving
Part is hingedly mounted in rack, and the flexible driving end of flexible actuator is hinged with swinging frame and swinging frame can be driven to swing, institute
Ditch ridging component is stated into be mounted on swinging frame.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that it is described at ditch ridging component include multiple groups trench digging
Knife group and the trench digging axis being mounted on swinging frame, the trench digging axis are connected by the first transmission mechanism with gearbox, the trench digging
Blade mounting cylinder for increasing the ditching knife group radius of gyration is installed, multiple groups ditching knife group is set along trench digging axis axially spaced-apart on axis
It sets on blade mounting cylinder, each ditching knife group, which includes several, can cut soil and soil be dished out curved to output the trench digging of furrow
Knife, it is several that trench digging tulwar is arranged around trench digging axis axis uniform intervals.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that several of same group of ditching knife group ditch curved
Cutter has the second tulwar that shell outside is thrown to by the first tulwar that soil is thrown on the inside of rack and by soil, and same group of trench digging
First tulwar in trench digging tulwar and the second tulwar are replaced installation settings around trench digging axis axis by the several of knife group.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that is also equipped with two groups on the blade mounting cylinder
Wall knife group is cut for cut out furrow bank, wall knife group is respectively cut and includes several handles axis axis is spaced apart cuts native straight knife around trench digging,
Trench digging axis axially cut between wall knife group positioned at two groups by upper all ditching knife groups.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that the gearbox have a power input shaft,
One to the first output shaft of rotary tillage component output power and two for being used to form ditches to the two of rotary tillage component two sides respectively
Second output shaft of ridging component output power, first output shaft are connected by the second transmission mechanism with rotary tillage component, respectively
Second output shaft is connected by the first transmission mechanism at the trench digging axis of ditch ridging component；First transmission mechanism includes that can turn
Dynamic rack-mounted transmission shaft, the transmission shaft are connected by clutch with the second output shaft, and the transmission shaft passes through
Chain-drive mechanism is connected with trench digging axis, and the pivot center of the transmission shaft is overlapped with the hinge axes of swinging frame.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that the rotary tillage component includes being mounted on the rack
Rotary tillage shaft and several rotary machetes being fixedly mounted on rotary tillage shaft, several rotary machetes be distributed in rotation along spiral trajectory
It ploughs on axis, the rotary tillage shaft is connected by transmission mechanism with the first output shaft of gearbox.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that the furrow ditch depth is adjustable to be filled at compartment ridging
Set further includes controller and being mounted on the rack the height sensor for detecting ditching depth, the controller and highly sensing
Device, which is connected and makes into ditch according to the stretching motion stroke that the ditching depth signal of height sensor detection controls flexible actuator, to be risen
Ridge component is maintained at the trench digging height of setting；The flexible actuator be by solenoid valve control hydraulic cylinder, the controller with
The solenoid valve is connected and passes through the flexible stroke of the telescopic rod of solenoid valve control hydraulic cylinder.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that is also equipped with and is located at into ditch on the swinging frame
Ridging component rear is used to remove the ditch cleaning shovel for having outputed remaining soil in furrow.
Above-mentioned furrow ditch depth is adjustable at compartment ridger, it is preferred that is also equipped with and is located at into ditch on the swinging frame
The pod for being used to output the soil guiding that ditching knife group is dished out furrow two sides in ridging component.
Compared with prior art, the utility model has the advantage of：The furrow ditch depth of the utility model is adjustable to be risen at compartment
Ridge device is mounted on the trailing equipments such as tractor and works, first by preposition rotary tillage component to soil progress rotary tillage process, then by
Postposition at ditch ridging component carry out ditching, ridging operation, integrate rotary tillage and ditching, ridging, can once complete rotary tillage,
Trench digging and ridging three process can substantially reduce labor intensity, improve working efficiency and economic benefit；Simultaneously at ditch ridging component
Mounting height on the rack can be adjusted, ditching depth can be also adjusted, flexibility and adaptability greatly improve, and can protect
Demonstrate,prove the trench digging quality under intricately condition.Also, set up separately at ditch ridging component at the rear of rotary tillage component two sides, it is ensured that ridge
Face width is not influenced by trench digging, is increased the working width of equipment, be ensure that operation quality.
Detailed description of the invention
Fig. 1 is the adjustable schematic view of the front view at compartment ridger of furrow ditch depth（Remove pod）.
Fig. 2 is the adjustable overlooking structure diagram at compartment ridger of furrow ditch depth（Remove pod）.
Fig. 3 is the adjustable side structure schematic view at compartment ridger of furrow ditch depth（Remove pod）.
Fig. 4 is the adjustable schematic perspective view at compartment ridger of furrow ditch depth.
Marginal data：
1, rack；2, rotary tillage component；21, rotary tillage shaft；22, rotary machetes；3, gearbox；4, at ditch ridging component；41, it opens
Ditch axis；42, trench digging tulwar；43, straight knife；44, blade mounting cylinder；5, swinging frame；6, stretch actuator；7, height sensor；8,
Ditch cleaning shovel；9, pod；101, transmission shaft；102, clutch；103, chain-drive mechanism.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 4, the furrow ditch depth of the present embodiment is adjustable at compartment ridger, including rack 1, in rack 1
Rotary tillage component 2 and gearbox 3 are installed, gearbox 3 is connected for driving rotary tillage component 2 to work with rotary tillage component 2, rotary tillage component
The rear of 2 two sides be equipped be connected with gearbox 3 at ditch ridging component 4, respectively at ditch ridging component 4 pass through ditch depth regulating mechanism
It is mounted in a manner of being adjustable height in rack 1.The furrow ditch depth is adjustable to be mounted on tractor etc. at compartment ridger and leads
Draw and work on equipment, rotary tillage process first carried out to soil by preposition rotary tillage component 2, then by postposition at ditch ridging component 4 into
Row ditching, ridging operation, integrates rotary tillage and ditching, ridging, can once complete rotary tillage, trench digging and ridging three process,
Labor intensity can be substantially reduced, working efficiency and economic benefit are improved；It can be adjusted in rack 1 at ditch ridging component 4 simultaneously
Mounting height, can also adjust ditching depth, flexibility and adaptability greatly improve, it is ensured that under intricately condition
Trench digging quality.Also, set up separately at ditch ridging component 4 at the rear of 2 two sides of rotary tillage component, it is ensured that ridge face width degree is not ditched
It influences, increases the working width of equipment, ensure that operation quality.
In the present embodiment, ditch depth regulating mechanism includes swinging frame 5 and flexible actuator 6, and swinging frame 5 is hingedly mounted on rack
Movement can be swung up and down on 1 and around hinge axes, flexible actuator 6 is hingedly mounted in rack 1, and flexible actuator 6 is stretched
Contracting driving end is hinged with swinging frame 5 and swinging frame 5 can be driven to swing, and is mounted on swinging frame 5 at ditch ridging component 4.It is flexible to drive
Moving part 6 drives swinging frame 5 to swing up and down movement, swings up and down at the mounting height of ditch ridging component 4 with swinging frame 5 and accordingly changes
Become, to realize adjusting ditching depth.The ditch depth regulating mechanism has simple, easily controllable, stable and reliable in work excellent of structure
Point.
In the present embodiment, includes multiple groups ditching knife group at ditch ridging component 4 and be rotatably mounted on opening on swinging frame 5
Ditch axis 41, trench digging axis 41 are connected by the first transmission mechanism with gearbox 3, are equipped on axis 41 of ditching for increasing ditching knife group
The blade mounting cylinder 44 of the radius of gyration, blade mounting cylinder 44 are preferably set in ditch 41 outside of axis and axis and trench digging 41 axis of axis
The cylinder that line is overlapped, multiple groups ditching knife group are arranged at axially spaced intervals on blade mounting cylinder 44 along trench digging axis 41, each ditching knife group packet
Soil can be cut and soil is dished out to output furrow by including several（Furrow ditch）Trench digging tulwar 42, it is several trench digging tulwar 42 around
41 axis uniform intervals of axis of ditching are arranged.Tulwar 42 of ditching is rotated with trench digging axis 41, can cut soil and soil is dished out, from
And furrow is outputed, above-mentioned trench digging tulwar 42 is existing mature component, also tangential along it while soil is thrown on the outside of furrow
Shed soil.Compared with traditional ditching device, this has stepless adjustable, the ditching depth of ditching depth at ditch ridging component 4
The deeper advantage of smaller, opened furrow ditch depth is influenced by structure；Since the radius of gyration of ditching knife group is larger, therefore on it
It does not easily cause and twines grass, stops up the problem of mud blocking；Simultaneously again since ditching knife group is split in 2 two sides of rotary tillage component, therefore ditching component
The working width of rotary tillage component 2 will not be reduced, can preferably the cropping pattern existing with south China rape be matched.
In the present embodiment, same group of ditching knife group it is several trench digging tulwar 42 is had soil is thrown into 1 inside of rack
First tulwar and the second tulwar that soil is thrown to the outside of rack 1, and same group of ditching knife group is several in trench digging tulwar 42
First tulwar and the second tulwar are around trench digging 41 axis of axis alternating installation settings.Above-mentioned first tulwar and the second tulwar are accordingly set
Bending direction, soil can be thrown to 1 inner side and outer side of rack, the first tulwar and the second tulwar by soil throw to the inside of rack 1 and
Also tangentially soil is dished out along it while outside.Simultaneously comprising alternately being installed around trench digging 41 axis of axis in same group of ditching knife group
First the second tulwar of tulwar so that blade or so alternately can cut the soil of bigger width, increase in the same cutting face
The distance between adjacent cutting face, this avoid bite length due to two neighboring cutting face it is too close caused by stop up mud
Problem.
In the present embodiment, two groups are also equipped on axis 41 of ditching and cuts wall knife group for cut out furrow bank, respectively cuts wall knife group packet
Including several handles, 41 axis of axis is spaced apart to cut native straight knife 43 around ditching, and is located at two in the axial all ditching knife groups of trench digging axis 41
Group is cut between wall knife group.Two groups when cutting native straight knife 43 and rotating with trench digging axis 41, can cut out smooth furrow bank, can reduce in ditch and return
Soil.
In the present embodiment, gearbox 3 has that a power input shaft, one for the of 2 output power of rotary tillage component
One output shaft and two for respectively to 2 two sides of rotary tillage component two composition 4 output powers of ditch ridging component the second output shaft,
Power input shaft is used for the power output axis connection with the trailing equipments such as tractor, the first output shaft by the second transmission mechanism with
Rotary tillage component 2 is connected, and each second output shaft is connected by the first transmission mechanism at the trench digging axis 41 of ditch ridging component 4；First
Transmission mechanism includes the transmission shaft 101 being rotatably mounted in rack 1, and transmission shaft 101 passes through clutch 102 and the second output
Axis is connected, and transmission shaft 101 is connected by chain-drive mechanism 103 with trench digging axis 41, the pivot center and swinging frame 5 of transmission shaft 101
Hinge axes be overlapped, in 5 pendulum motion of swinging frame, transmission shaft 101 and the distance between the axis 41 of ditching are constant, do not need to set
Complicated chain-drive mechanism 103 is set, structure can be simplified, reduce cost, guarantees that dynamical stability is reliably transmitted.Above-mentioned clutch
102 use the prior art, mainly include driving disc spacing pressing and driven disc, driving disc spacing pressing is connect with the second output shaft by spline, driven
Disk is connect with transmission shaft 101 by spline, and driven disc can slide along transmission shaft 101 and realize in conjunction with driving disc spacing pressing or separate, actively
Power is transmitted when disk is in conjunction with driven disc, and power is not transmitted when driving disc spacing pressing is separated with driven disc.Above-mentioned gearbox 3 uses existing skill
Art.
In the present embodiment, rotary tillage component 2 includes the rotary tillage shaft 21 that is mounted in rack 1 and several is fixedly mounted on rotary tillage
Rotary machetes 22 on axis 21, several rotary machetes 22 are distributed on rotary tillage shaft 21 along spiral trajectory, and rotary tillage shaft 21 passes through biography
Motivation structure is connected with the first output shaft of gearbox 3.
In the present embodiment, adjustable furrow ditch depth at compartment ridger further includes that controller and being mounted in rack 1 is used for
Detect the height sensor 7 of ditching depth, the trench digging that controller is connected with height sensor 7 and detects according to height sensor 7
The stretching motion stroke that depth signal controls flexible actuator 6 makes into the trench digging height that ditch ridging component 4 is maintained at setting.It utilizes
Controller and the cooperation control of height sensor 7 realize automatic control ditching depth, are suitable at the height of ditch ridging component 4
Different ground conditions guarantees that ditching depth is consistent.
In the present embodiment, the actuator 6 that stretches is the hydraulic cylinder by solenoid valve control, and controller is connected and passes through with solenoid valve
The flexible stroke of the telescopic rod of solenoid valve control hydraulic cylinder.Flexible actuator 6 is using hydraulic cylinder, it can be achieved that swinging frame 5 was swung
Step-less adjustment also can carry out step-less adjustment at the mounting height of ditch ridging component 4, guarantee that ditching depth is adjusted accurate
Property.
In the present embodiment, it is also equipped with to be located on swinging frame 5 and has outputed furrow for removing at 4 rear of ditch ridging component
The ditch cleaning shovel 8 of middle remnants soil, can greatly reduce surflaes in ditch, improve trench digging quality.
During this example is implemented, it is also equipped on swinging frame 5 and is located at dishing out for the component that will ditch at 4 top of ditch ridging component
Soil guiding furrow two sides pod 9.When cutting soil due to trench digging tulwar 42 and soil dished out, a part of soil meeting
It throws on the outside of furrow, what another part soil can be rotated along trench digging tulwar 42 tangentially dishing out, and setting pod 9 can will be curved along ditching
The soil tangentially dished out that knife 42 rotates is oriented to furrow two sides, returns soil in ditch to reduce, improves quality of ditching.Above-mentioned pod
9 the first water conservancy diversion cambered surfaces gradually upwardly extended with direction upper in the middle part of self-contained ditch ridging component 4 at 4 side of ditch ridging component and from
The the second water conservancy diversion cambered surface gradually upwardly extended at direction upper in the middle part of ditch ridging component 4 at 4 other side of ditch ridging component.
The furrow ditch depth of the present embodiment it is adjustable at compartment ridger work when, the trailing equipments such as tractor with furrow ditch depth
Spend it is adjustable advance at compartment ridger, and power is input to gearbox 3 by power input shaft, power input shaft drives change
Gears and axis at different levels rotation in fast case 3, the first output shaft of gearbox 3 impart power to rotary tillage by the first transmission mechanism
Axis 21, rotary tillage shaft 21 rotate with rotary machetes 22 and carry out rotary tillage process, and two second output shafts of gearbox 3 distinguish power
The trench digging axis 41 of two composition ditch ridging components 4 is passed to, trench digging axis 41 drives trench digging tulwar 42 and cuts the native rotation of straight knife 43 and carries out
Ditching, ridging operation；Meanwhile 7 real-time monitoring uncultivated land topography variation of height sensor, and controller is passed information to, it controls
Device instructs control solenoid valve according to the delivering to control the telescopic location of hydraulic cylinder piston rod, realizes automatic adjustment ditch depth,
Guarantee that ditch depth is consistent.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment.To those of ordinary skill in the art, gained under the premise of not departing from the utility model technical concept
To modifications and variations also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of furrow ditch depth is adjustable at compartment ridger, including rack（1）, the rack（1）On rotary tillage component is installed
（2）With for driving rotary tillage component（2）Gearbox（3）, it is characterised in that：The rotary tillage component（2）The rear of two sides is all provided with
Have and gearbox（3）It is connected at ditch ridging component（4）, described at ditch ridging component（4）By ditch depth regulating mechanism can adjust
The mode of section height is mounted on rack（1）On.
2. furrow ditch depth according to claim 1 is adjustable at compartment ridger, it is characterised in that：The ditch depth adjusts machine
Structure includes swinging frame（5）With flexible actuator（6）, the swinging frame（5）It is hingedly mounted on rack（1）It above and can be around hinge axes
Swing up and down movement, the flexible actuator（6）It is hingedly mounted on rack（1）On, and flexible actuator（6）Flexible driving end
With swinging frame（5）Hingedly and swinging frame can be driven（5）It swings, it is described at ditch ridging component（4）It is mounted on swinging frame（5）On.
3. furrow ditch depth according to claim 2 is adjustable at compartment ridger, it is characterised in that：It is described at ditch ridging group
Part（4）Including multiple groups ditching knife group and it is mounted on swinging frame（5）On trench digging axis（41）, the trench digging axis（41）It is passed by first
Motivation structure and gearbox（3）It is connected, the trench digging axis（41）On be equipped with for increasing the ditching knife group radius of gyration blade peace
Fitted tube（44）, multiple groups ditching knife group is along trench digging axis（41）It is arranged at axially spaced intervals in blade mounting cylinder（44）On, each ditching knife group packet
Soil can be cut and soil is dished out to output the trench digging tulwar of furrow by including several（42）, several trench digging tulwar（42）It gets around
Ditch axis（41）Axis uniform intervals arrangement.
4. furrow ditch depth according to claim 3 is adjustable at compartment ridger, it is characterised in that：Same group of ditching knife group
It is several trench digging tulwar（42）With soil is thrown to rack（1）First tulwar of inside and soil is thrown into rack（1）Outside
Second tulwar of side, and same group of ditching knife group is several trench digging tulwar（42）In the first tulwar and the second tulwar around trench digging axis
（41）Axis replaces installation settings.
5. furrow ditch depth according to claim 3 is adjustable at compartment ridger, it is characterised in that：The blade mounting cylinder
（44）On be also equipped with two groups and cut wall knife group for cut out furrow bank, respectively cutting wall knife group includes several handles around trench digging axis（41）Axis
It is spaced apart to cut native straight knife（43）, in trench digging axis（41）All ditching knife groups are located at two groups and cut between wall knife group in axial direction.
6. furrow ditch depth according to claim 3 is adjustable at compartment ridger, it is characterised in that：The gearbox（3）
It is used for a power input shaft, one to rotary tillage component（2）First output shaft of output power and two for respectively to
Rotary tillage component（2）Two composition ditch ridging components of two sides（4）Second output shaft of output power, first output shaft pass through the
Two transmission mechanisms and rotary tillage component（2）It is connected, each second output shaft is by the first transmission mechanism and at ditch ridging component（4）Open
Ditch axis（41）It is connected；First transmission mechanism includes rotatably being mounted on rack（1）On transmission shaft（101）, the biography
Moving axis（101）Pass through clutch（102）It is connected with the second output shaft, the transmission shaft（101）Pass through chain-drive mechanism（103）With
Trench digging axis（41）It is connected, the transmission shaft（101）Pivot center and swinging frame（5）Hinge axes be overlapped.
7. furrow ditch depth according to claim 5 is adjustable at compartment ridger, it is characterised in that：The rotary tillage component
（2）Including being mounted on rack（1）On rotary tillage shaft（21）And several it is fixedly mounted on rotary tillage shaft（21）On rotary machetes
（22）, several rotary machetes（22）Rotary tillage shaft is distributed in along spiral trajectory（21）On, the rotary tillage shaft（21）Pass through driver
Structure and gearbox（3）The first output shaft be connected.
8. furrow ditch depth according to claim 2 is adjustable at compartment ridger, it is characterised in that：The furrow ditch depth can
Adjusting further includes controller and being mounted on rack at compartment ridger（1）On for detecting the height sensor of ditching depth（7）,
The controller and height sensor（7）It is connected and according to height sensor（7）The ditching depth signal control of detection is flexible to drive
Moving part（6）Stretching motion stroke make into ditch ridging component（4）It is maintained at the trench digging height of setting；The flexible actuator（6）
For by the hydraulic cylinder of solenoid valve control, the controller is connected with the solenoid valve and passes through the flexible of solenoid valve control hydraulic cylinder
The flexible stroke of bar.
9. the furrow ditch depth according to any one of claim 2 to 8 is adjustable at compartment ridger, it is characterised in that：Institute
State swinging frame（5）On be also equipped be located at ditch ridging component（4）Remaining soil in furrow has been outputed for removing in rear
Ditch cleaning shovel（8）.
10. the furrow ditch depth according to any one of claim 2 to 8 is adjustable at compartment ridger, which is characterized in that institute
State swinging frame（5）On be also equipped be located at ditch ridging component（4）On for soil that ditching knife group is dished out guiding have been opened
The pod of furrow two sides out（9）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570102.0U CN208159162U (en) | 2018-04-20 | 2018-04-20 | A kind of furrow ditch depth is adjustable at compartment ridger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570102.0U CN208159162U (en) | 2018-04-20 | 2018-04-20 | A kind of furrow ditch depth is adjustable at compartment ridger |
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| CN208159162U true CN208159162U (en) | 2018-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401592A (en) * | 2018-04-20 | 2018-08-17 | 湖南农业大学 | A kind of furrow ditch depth is adjustable at compartment ridger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401592A (en) * | 2018-04-20 | 2018-08-17 | 湖南农业大学 | A kind of furrow ditch depth is adjustable at compartment ridger |
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