CN107258116A - The Cultivator that a kind of depth agriculturally used is automatically adjusted - Google Patents
The Cultivator that a kind of depth agriculturally used is automatically adjusted Download PDFInfo
- Publication number
- CN107258116A CN107258116A CN201710648119.3A CN201710648119A CN107258116A CN 107258116 A CN107258116 A CN 107258116A CN 201710648119 A CN201710648119 A CN 201710648119A CN 107258116 A CN107258116 A CN 107258116A
- Authority
- CN
- China
- Prior art keywords
- shaft
- depth
- cultivator
- driving chain
- automatically adjusted
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/087—Lifting devices; Depth regulation devices; Mountings
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Power Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses the Cultivator that a kind of depth agriculturally used is automatically adjusted, belong to agricultural equipment field, including power input shaft and cutter shaft, the power input shaft side is provided with uni-drive gear box, rotating shaft is provided with below the uni-drive gear box, the two ends of the rotating shaft are respectively arranged with rotating speed depth controller and driving chain, support post is provided with below the rotating speed depth controller, support is provided with outside the driving chain, the driving chain is connected with the cutter shaft, multiple rotary blades are provided with the cutter shaft, the cutter shaft other end is provided with chute, the power input shaft is by power transmission shaft, limited bolt and lubricating coupler composition, the limited bolt is arranged on the power transmission shaft both sides, the lubricating coupler is arranged on the power transmission shaft both sides.The present invention can automatically adjust ploughed depth according to rotating speed is turned over, and improved on the premise of ensureing to turn over quality and turn over speed, with the function of automatically adjusting depth, and operation is simpler, using more convenient.
Description
Technical field
The invention belongs to agricultural mechanical field, what more particularly to a kind of depth agriculturally used was automatically adjusted turns over
Machine.
Background technology
Agricultural is the foundation of national economy, and grain security is survived concerning country, and China's agricultural production resources are limited, science and technology wound
It is newly the only way of agricultural development.Continuous propulsion and the reality of the Belt and Road development strategy with supply side structural reform
Apply, China has welcome the strategic opportunity of globalization, agricultural development is also faced with strategic choice, it is necessary to unswervingly walk section
The high-end modern agricultural development road of this synergy, high-quality and safety, green, and the important branch of scientific and technical innovation exactly developing modern agriculture
Support.
In recent years, as human cost is constantly raised, rural area person between twenty and fifty labour is constantly outflowed, and rural economic development is
Occur in that earth-shaking change, and unique do not change is that, as the most country of world population, we must be firmly
Grain security handle is held in oneself hand.Simple rely on expands the modes such as foodstuff planting area, has not both met current China cities and towns
Change under background, the present situation of land resource scarcity, it is also difficult to fundamentally solve the severe challenge that China's grain-production faces.Realize
Agricultural modernization, lifts mechanization of agriculture, is the only way of following China's agricultural production.
Agricultural modernization is done step-by-step, a critically important embodiment is exactly the raising of agricultural machinery rate.Realize agricultural rule
Modelling, intensive, modernization development, are conducive to the popularization of agricultural machinery, and good outside has also been built for agriculture machinery industry
Environment.Currently, Tendency of Agricultural Machinery in China level also has very big room for promotion, the agricultural such as agricultural machinery rate and the U.S., Japan
Also there is larger gap in the area of economy more prosperity.In these industrializations of the country and modernization, all without exception
Experienced mechanization of agriculture continue, Rapid development stage, from start mechanization of agriculture to realize substantially agricultural modernization typically will
Undergo 20-30 time.When the current farm labor efficiency of China realizes agricultural machinery modernization substantially with developed country
Labor productivity also have a certain distance, therefore realize the also very long one section of journey of height mechanization of agriculture, and this is exactly
Predictive of the potential development space of Tendency of Agricultural Machinery in China industry, the market share.
Central " file " focuses on agriculture, rural areas and farmers problem for continuous ten years, new to what is run into current China's agro based economic development
Situation gives enough attention, and adjusts or reform corresponding policy to solve problem, promotes lasting, the health hair of agricultural economy
Exhibition.This year, country proposes " home farm " this concept first, obtains the common concern and discussion of personages of various circles of society.Family
The proposition on farm is permitted by original " fixing farm output quotas for each household " to present in a sense be the adjustment to China's land system
Perhaps agricultural cooperative society, large plantation family, kind grain expert etc., according to own actual situation, implement to contract to run, change farm land thin
The present situation that fragmentation is managed.After this concept is proposed, home farm generally blooms in Chinese big ground, and peasant household arrives the administration for industry and commerce one after another
Establish home farm with limited laibility.Most current farm size is still more consistent at 50-100 mus or so with China's national situation.Family
The establishment on front yard farm, it is meant that the concentration of landholdings, contiguous plant have certain guarantee, and only soil is concentrated use in, agricultural
The especially large-scale agricultural cutter of machinery just has market, and just there are the desire and power of purchase in peasant household.In a word, the proposition of home farm
Agriculture machinery industry development in the country's favourable.
Strengthen agricultural science and technology research and development.Adapt to agricultural and turn mode to adjust structure new demand, adjustment agricultural technology renovation direction and again
Point.Sci-tech innovation resources are integrated, New Zealand and modern agriculture industry technical system is improved, sets up a collection of existing
For agricultural industry scientific and technical innovation center and agricultural technology renovation alliance, promote resources open shared and service platform construction of base.
Strengthen the basic forward position research of agricultural science and technology, lift Original Innovative Capability.Building national high-tech exploiting district of agriculture.Increase
Implement kind of industry autonomous innovation Important Project and staple crops breeding research cooperation dynamics, accelerate suitable for mechanization production, high-quality
Resisting extensively suitable breeding of new variety high yield more.Strengthen middle-and-low-yielding fields improvement, industrial crops, herbivorous stock raising, aquafarm, wisdom agriculture
The science and technology research and development such as industry, agriculture and forestry product intensive processing, warehouse logisticses.Accelerate the suitable Hills of research and development, industrialized agriculture, beasts, birds and aquatic products
The Agricultural Machinery Equipment of cultivation, lifts agricultural machinery kernel component independent research and development capacity.Place is supported to carry out special advantage industries technology and grind
Hair.
Intensive farming sci-tech popularization.Public welfare public goods mode is innovated, project management mechanism is introduced, carries out government
Purchase service, supports all kinds of societal forces wide participation spread application of agricultural science and technology.Place is encouraged to set up agriculture science and education production, teaching ＆ research integration
Agricultural technology extension alliance, supports agricultural technology spread personnel to carry out technological cooperation with home farm, peasant cooperative society, leading enterprise.
Green high-yield and high-efficiency is deeply promoted to create, emphasis promotes high-quality specific breed and abridged edition consumption reduction, recycle utilization pattern.Implement
Wisdom agriculture project, promotes agriculture Internet of Things experiment and demonstration and agricultural equipment intelligent.Develop wisdom meteorological, improve meteorological disaster
Monitoring and prediction early warning level.Deeply carry out S＆T system, make in a collection of " the star wound world ".Strengthen the public clothes of rural popular science
Business is built.
Before 1990s, Tendency of Agricultural Machinery in China industry experienced the barbarous formula development of " whole people do agricultural machinery ", afterwards, with
Marketization popularization, the method for salary distribution to change, encourage and tied mechanism foundation, large quantities of agricultural machinery manufacturers are difficult in adapt to market
Change, product is difficult to meet the market demand, and 80% agricultural machinery enterprise bankruptcy, agriculture machinery industry has met with unprecedented beat
Hit., China's issuing and implementation in 2004《Agricultural machinery promotion law》, since then agricultural machinery industry just welcome new opportunity to develop.A series of subsidies,
Huinong's policy infuses new blood to industry.2004, national the allowance for purchase of agricultural machinery fund was 0.7 hundred million yuan, 4,000,000,000 yuan, 2012 in 2008
In 20,000,000,000 yuan of year, be even more to be expected to reach 25,000,000,000 yuan to this year, it is sufficient to attention of the country to agricultural is embodied, to realizing the mechanization of farm work
And the resolution of modernization.For the enterprise of market operation, product competitiveness is no doubt particularly significant, but huge government is mended
The meaning that patch improves the level of profitability for enterprise is also self-evident.
Relevant data point out that 2009, the total industrial output value of Tendency of Agricultural Machinery in China industry was 2264.56 hundred million yuan, is within 2010
2838.1 hundred million yuan, 2011 289800000000 yuan, 2012 3382.4 hundred million yuan.The allowance for purchasing agricultural machinery, China's agriculture were released since 2004
Machine industry has been passed by gold 10 years, and total industrial output value persistently keeps double figures speedup.According to the current growth rate of industry come
See, by 2015, industry was expected to break through 400,000,000,000 yuan of the market share.
Domestic agricultural machinery market keeps flourishing and sustainable growth, market capacity to go from strength to strength, and has also attracted numerous latent
Enter the sector in investor, as Zhong Lianchong sections.Current industry concentration ratio is relatively low, and nearly ten thousand enterprises race on the same stage, and competition can
Meaning is fierce.Want to show one's talent, it is necessary to which enterprise is constantly strengthened by technology upgrading, technological innovation and raising occupation rate of market
Itself status." the vast ocean enables the fish to leap about and the sky for the birds to fly." domestic agriculture machinery industry has a extensive future, seize the opportunity, and gains the initiative ten
Divide important.
Cultivator is a kind of common agricultural equipment, can by with the external impetus equipment linkage such as tractor, drive rotation
Turn blade rotation, soil crushed, raked the soil level, improve the growing environment of crops, with hack ability it is strong, plough after earth's surface put down
Smooth the features such as, and be widely used.
As mechanization of agriculture popularization scope constantly expands, various machine equipments of turning over also enter huge numbers of families, reduce
Peasant's physical labor intensity, improves and turns over efficiency, but simultaneously Cultivator there is also need in advance depthkeeping, can not automatically adjust
The problem of ploughed depth, operation is more inconvenient.
The content of the invention
The purpose of the present invention is that and provides a kind of depth agriculturally used in order to solve the above problems and automatically adjust
Cultivator.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The Cultivator that a kind of depth agriculturally used is automatically adjusted, including power input shaft and cutter shaft, the power are defeated
Enter axle side and be provided with uni-drive gear box, the uni-drive gear box lower section is provided with rotating shaft, and the two ends of the rotating shaft are set respectively
Have to be provided with below rotating speed depth controller and driving chain, the rotating speed depth controller outside support post, the driving chain and set
There is support, the driving chain is connected with the cutter shaft, multiple rotary blades, the cutter shaft other end are provided with the cutter shaft
Chute is provided with, the power input shaft is made up of power transmission shaft, limited bolt and lubricating coupler, and the limited bolt is arranged on the transmission
Axle both sides, the lubricating coupler is arranged on the power transmission shaft both sides.
In said structure, the external impetus equipment, the power input shaft such as tractor are accessed by the power input shaft
Rotation drive the uni-drive gear box to rotate, the uni-drive gear box drives the axis of rotation, the band during axis of rotation
The dynamic rotating speed depth controller is rotated, and the rotating shaft drives the cutter shaft to rotate by the driving chain, so as to drive the rotation
Plough knife to carry out turning over operation, when rotary speed is relatively low, the rotating speed depth controller centrifugal force is smaller, and the support post rises,
The support force of the present invention is reduced, so that deepen the depth that the rotary blade gos deep into ground, when rotating speed is higher, the rotary blade
The depth for going deep into ground it is relatively low.
In order to further improve the performance of the present invention, the power transmission shaft is connected with limited bolt lubrication, described to pass
Moving axis is connected with lubricating coupler lubrication.
In order to further improve the performance of the present invention, the power input shaft passes through gear with the uni-drive gear box
Engagement.
In order to further improve the performance of the present invention, the uni-drive gear box is engaged with the rotating shaft by gear.
In order to further improve the performance of the present invention, the rotating shaft is fixedly connected with the rotating speed depth controller, described
Rotating speed depth controller is slidably connected with the support post.
In order to further improve the performance of the present invention, the rotating shaft is connected with the driving chain key, the transmission
Chain is connected with the support by bolts assemblies, and the driving chain is engaged with the cutter shaft by gear.
In order to further improve the performance of the present invention, the cutter shaft is connected with the rotary blade fixing assembling, described
Cutter shaft is connected with the slide.
In order to further improve the performance of the present invention, the uniform equidistantly arrangement on cutter shaft of the multiple rotary blade.
Compared with prior art, the beneficial effects of the present invention are：
The present invention can automatically adjust ploughed depth according to rotating speed is turned over, and improve and turn on the premise of ensureing to turn over quality
Speed is ploughed, with the function of automatically adjusting depth, operation is simpler, using more convenient.
Brief description of the drawings
Fig. 1 is the front view for the Cultivator that a kind of depth agriculturally used of the present invention is automatically adjusted；
Fig. 2 is the power input shaft for the Cultivator that a kind of depth agriculturally used of the present invention is automatically adjusted
Zoomed-in view；
Fig. 3 is that the section of the cutter shaft for the Cultivator that a kind of depth agriculturally used of the present invention is automatically adjusted is regarded
Figure.
Description of reference numerals is as follows：
1st, power input shaft；2nd, uni-drive gear box；3rd, rotating speed depth controller；4th, rotating shaft；5th, support post；6th, driving chain；
7th, support；8th, cutter shaft；9th, rotary blade；10th, chute；101st, power transmission shaft；102nd, limited bolt；103rd, lubricating coupler.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1-Figure 3, the Cultivator that a kind of depth agriculturally used is automatically adjusted, including the He of power input shaft 1
Cutter shaft 8, the side of power input shaft 1 is provided with uni-drive gear box 2, and the lower section of uni-drive gear box 2 is provided with rotating shaft 4, the two ends of rotating shaft 4
Rotating speed depth controller 3 and driving chain 6 are respectively arranged with, the lower section of rotating speed depth controller 3 is provided with outside support post 5, driving chain 6
Support 7 is provided with, driving chain 6 is connected with cutter shaft 8, multiple rotary blades 9 are provided with cutter shaft 8, the other end of cutter shaft 8 is provided with
Chute 10, power input shaft 1 is made up of power transmission shaft 101, limited bolt 102 and lubricating coupler 103, and limited bolt 102 is arranged on power transmission shaft
101 both sides, lubricating coupler 103 is arranged on the both sides of power transmission shaft 101.
In said structure, the external impetus equipment, the rotation of power input shaft 1 such as tractor are accessed by power input shaft 1
Drive uni-drive gear box 2 to rotate, uni-drive gear box 2 drives rotating shaft 4 to rotate, drive rotating speed depth controller 3 to rotate when rotating shaft 4 is rotated,
Rotating shaft 4 is rotated by driving chain 6 with movable arbor 8, so that drive rotary blade 9 to carry out turning over operation, when rotary speed is relatively low,
The centrifugal force of rotating speed depth controller 3 is smaller, and support post 5 rises, and the support force of the present invention is reduced, and gos deep into so as to deepen rotary blade 9
The depth on ground, when rotating speed is higher, the depth for going deep into ground of rotary blade 9 is relatively low.
In order to further improve the performance of the present invention, power transmission shaft 101 is connected with the lubrication of limited bolt 102, limited bolt 102
The sideslip of power transmission shaft 101 can be prevented, power transmission shaft 101 is connected with the lubrication of lubricating coupler 103, and lubricating coupler 103 can carry for power transmission shaft 101
For the effect of transmission lubrication, power input shaft 1 is engaged with uni-drive gear box 2 by gear, and uni-drive gear box 2 passes through with rotating shaft 4
Gear is engaged, and power input shaft 1 can drive rotating shaft 4 to rotate by uni-drive gear box 2, and rotating shaft 4 is fixed with rotating speed depth controller 3 to be connected
Connect, rotating speed depth controller 3 is slidably connected with support post 5, rotating speed depth controller 3 can be according to the velocity of rotation of rotating shaft 4, in centrifugal force
In the presence of drive support post 5 rise or decline, so as to change ploughed depth, rotating shaft 4 is connected with the key of driving chain 6, turn
Axle 4 can drive driving chain 6 to rotate, and driving chain 6 is connected with support 7 by bolts assemblies, and support 7 can be driving chain
6 provide protection, and driving chain 6 is engaged with cutter shaft 8 by gear, and cutter shaft 8 is connected with the fixing assembling of rotary blade 9, and driving chain 6 can
Rotated with band movable arbor 8, soil is carried out by rotary blade 9 to turn over operation, cutter shaft 8 is slidably connected with chute 10.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its Xiao Wu circle
It is fixed.
Claims (8)
1. the Cultivator that a kind of depth agriculturally used is automatically adjusted, it is characterised in that：Including power input shaft (1) and cutter shaft
(8), power input shaft (1) side is provided with below uni-drive gear box (2), the uni-drive gear box (2) and is provided with rotating shaft
(4), the two ends of the rotating shaft (4) are respectively arranged with rotating speed depth controller (3) and driving chain (6), the rotating speed depth controller (3)
Side, which is provided with outside support post (5), the driving chain (6), is provided with support (7), the driving chain (6) and the knife
Axle (8) is connected, and multiple rotary blades (9) are provided with the cutter shaft (8), and cutter shaft (8) other end is provided with chute (10),
The power input shaft (1) is made up of power transmission shaft (101), limited bolt (102) and lubricating coupler (103), and the limited bolt (102) sets
Put in the power transmission shaft (101) both sides, the lubricating coupler (103) is arranged on the power transmission shaft both sides.
2. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
Power transmission shaft (101) is connected with the limited bolt (102) lubrication, and the power transmission shaft (101) lubricates with the lubricating coupler (103) to be connected
Connect.
3. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
Power input shaft (1) is engaged with the uni-drive gear box (2) by gear.
4. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
Uni-drive gear box (2) is engaged with the rotating shaft (4) by gear.
5. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
Rotating shaft (4) is fixedly connected with the rotating speed depth controller (3), and the rotating speed depth controller (3) is slided with the support post (5) to be connected
Connect.
6. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
Rotating shaft (4) is connected with the driving chain (6) key, and the driving chain (6) is connected with the support (7) by bolts assemblies,
The driving chain (6) is engaged with the cutter shaft (8) by gear.
7. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
Cutter shaft (8) is connected with the rotary blade (9) fixing assembling, and the cutter shaft (8) is slidably connected with the chute (10).
8. the Cultivator that a kind of depth agriculturally used according to claim 1 is automatically adjusted, it is characterised in that：It is described
The uniform equidistantly arrangement on cutter shaft (8) of multiple rotary blades (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648119.3A CN107258116A (en) | 2017-08-01 | 2017-08-01 | The Cultivator that a kind of depth agriculturally used is automatically adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710648119.3A CN107258116A (en) | 2017-08-01 | 2017-08-01 | The Cultivator that a kind of depth agriculturally used is automatically adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107258116A true CN107258116A (en) | 2017-10-20 |
Family
ID=60075734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710648119.3A Withdrawn CN107258116A (en) | 2017-08-01 | 2017-08-01 | The Cultivator that a kind of depth agriculturally used is automatically adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107258116A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156849A (en) * | 2018-01-05 | 2018-06-15 | 惠安北酷机械科技有限公司 | A kind of Cultivator of depth automatic adjustment agriculturally used |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424601Y (en) * | 2000-03-16 | 2001-03-28 | 上海欣农农业机械设备有限公司 | New stubble-cleaning rotary cultivator |
| WO2017031684A1 (en) * | 2015-08-25 | 2017-03-02 | 罗明镜 | Rotary tiller |
| CN207284072U (en) * | 2017-08-01 | 2018-05-01 | 郴州金通信息科技有限公司 | A kind of Cultivator of the depth automatic adjustment agriculturally used |
-
2017
- 2017-08-01 CN CN201710648119.3A patent/CN107258116A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424601Y (en) * | 2000-03-16 | 2001-03-28 | 上海欣农农业机械设备有限公司 | New stubble-cleaning rotary cultivator |
| WO2017031684A1 (en) * | 2015-08-25 | 2017-03-02 | 罗明镜 | Rotary tiller |
| CN207284072U (en) * | 2017-08-01 | 2018-05-01 | 郴州金通信息科技有限公司 | A kind of Cultivator of the depth automatic adjustment agriculturally used |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156849A (en) * | 2018-01-05 | 2018-06-15 | 惠安北酷机械科技有限公司 | A kind of Cultivator of depth automatic adjustment agriculturally used |
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Application publication date: 20171020 |
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| WW01 | Invention patent application withdrawn after publication |