CN109297750A - It is a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate - Google Patents
It is a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate Download PDFInfo
- Publication number
- CN109297750A CN109297750A CN201811426288.3A CN201811426288A CN109297750A CN 109297750 A CN109297750 A CN 109297750A CN 201811426288 A CN201811426288 A CN 201811426288A CN 109297750 A CN109297750 A CN 109297750A
- Authority
- CN
- China
- Prior art keywords
- soil
- case
- rotary cultivator
- drawing out
- detecting
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Agricultural Machines (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
It is a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, including transmission case setting up and down and take native case, there are two the second roller bearings for rotation setting in transmission case, two hawsers are connected between two the second roller bearings, belt is also arranged on one of them second roller bearing, belt is fixedly connected with two hawsers, taking the upper end of native case to be fixedly installed, there are two driving motors, the output shaft of two driving motors extend into transmission case and is coaxially connected with two the second roller bearings respectively, take the open at its lower end of native case, taking the inner rotation of the lower end of native case to be arranged, there are two the first roller bearings, two hawsers extend down into take in native case after around two the first roller bearings.The present invention provides a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, takes small to the extruding force of hack during soil, can guarantee that the hack taken out keeps the state after rotary tillage, to improve the authenticity and accuracy of garrulous soil rate testing result.
Description
Technical field
It is specifically a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate the present invention relates to rotary cultivator field.
Background technique
Rotary cultivator is the cultivation machinery for completing to plough, harrow operation with tractor.Rotary cultivator, which has, to be broken plough sole, restores
Soil plough horizon structure improves soil water storage soil moisture conservation, eliminates part weeds, reduces pest and disease damage, smooth earth's surface and improve agriculture
The effects of industry do mechanization operation standard.
Universal with Tendency of Agricultural Machinery in China and automation, rotary cultivator has also obtained extensive popularization in China, still
Some rotary cultivator hack degree are low, very unfavorable to the plantation of crops.Therefore, it is examined by the garrulous soil rate later to rotary tillage
It surveys, is the key that examine a rotary cultivator whether excellent.Wherein, obtaining original sample soil is the test vital link of garrulous soil rate,
Although most of is all that detection the content of soil, temperature and humidity carry out small range and take soil currently, there is some drawing out soil equipment,
So far, there are no the drawing out soil equipment detected well for soil garrulous soil rate after rotary tillage and methods.
In order to reduce error, need to guarantee that the soil obtained is its original form in taking native link, in order to avoid to final soil
Earth garrulous soil rate testing result impacts, this makes drawing out soil equipment can not achieve large-scale mechanization, to a certain extent plus
The big detection difficulty of soil garrulous soil rate.
Currently, China is then to use iron by manually choosing some region mostly during taking soil detect garrulous soil rate
Spade takes the soil of required volume, and very big to the disturbance of soil during artificial shoveling, the resultant error measured also compares
Greatly.While in strict conformity with country's area required to arable land garrulous soil rate detection, depth standards, in order to increase the standard of garrulous soil rate
True property improves working efficiency, and there is an urgent need to the high degree of automation drawing out soil equipment small to soil disturbance to improve status.This
The drawing out soil equipment of invention design avoids the extruding to taken soil, destroys, and guarantees the original state structure of taken soil, reduces work
The requirement of the work is reached while program, raising working efficiency.
Summary of the invention
In order to solve deficiency in the prior art, the present invention, which provides, a kind of takes native dress for detect rotary cultivator garrulous soil rate
It sets, takes, state can guarantee the hack that takes out holding rotary tillage after, to improve hack small to the extruding force of hack during soil
The authenticity and accuracy of rate testing result.
To achieve the goals above, the present invention use the specific scheme is that a kind of for detecting taking for rotary cultivator garrulous soil rate
Native device including transmission case setting up and down and takes native case, and there are two the second roller bearing, two second rollings for rotation setting in transmission case
It is connected with two hawsers between axis, belt is also arranged on one of them second roller bearing, belt is fixedly connected with two hawsers,
The upper end of native case is taken to be fixedly installed there are two driving motor, the output shaft of two driving motors extend into transmission case and divides
It is not connected coaxially with two the second roller bearings, takes the open at its lower end of native case, taking the inner rotation of the lower end of native case to be arranged, there are two the
One roller bearing, two hawsers extend down into take in native case after around two the first roller bearings.
The top for taking native case is vertically connected there are four limit plate, and four limit plates are equally divided into two groups, every group of limit
Plate is set as two, and coplanar with two limit plates of group, two groups of limit plates are parallel to each other, and the transmission case is fastened on two groups of limits
Between plate.
Through-hole is wherein offered on limit plate described in one group, and axle sleeve is fixedly installed in through-hole, the driving motor
The output shaft passes through axle sleeve, offers aperture on another set limit plate, two second roller bearings are small from two respectively
It is stretched out in hole.
Described that native case is taken to be enclosed by two the first side plates and two the second side plates, two the first side plates are parallel to each other,
Two the second side plates are both connected between two the first side plates and are parallel to each other, the equal integrally connected in the lower end of two the first side plates
The oriented interior folded plate for taking native case internal bend.
Two first roller bearings are rotatably arranged between two second side plates, and two the first roller bearings lean on respectively
Nearly two the first side plates, two hawsers bypass the both ends of the first roller bearing respectively.
Third side plate there are two being also fixedly connected between two second side plates, two third side plates are respectively close to two
First side plate, two hawsers are extend into the gap after taking in native case between third side plate and the first side plate
It passes through
The upper end of one of them second side plate is fixedly connected there are two horizontally disposed support plate, second side plate and two
Reinforcement block is fixedly connected between support plate, two driving motors are respectively fixedly disposed in two support plates.
Several stomatas are offered on one of tank wall of the transmission case.
The utility model has the advantages that the present invention during taking soil, only takes the cabinet of native case and belt that can cause to hack slightly
Extruding, therefore substantially drawing out soil equipment can be avoided to impact hack, after guaranteeing that the hack taken out is able to maintain rotary tillage
Reset condition, to guarantee that subsequent garrulous soil rate testing result is accurate, and then the performance of accurate Characterization rotary cultivator.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is transmission case schematic diagram of internal structure of the invention；
Fig. 3 is of the invention to take native case schematic diagram of internal structure.
Appended drawing reference: 1- transmission case, 2- limit plate, the first side plate of 3-, folded plate in 4-, 5- hawser, the first roller bearing of 6-, 7-
Two side plates, 8- reinforcement block, 9- support plate, 10- driving motor, 11- output shaft, 12- axle sleeve, 13- stomata, 14- through-hole, 15-
Two roller bearings, 16- belt, 17- third side plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please referring to Fig. 1 to 3, Fig. 1 is overall structure diagram of the invention, and Fig. 2 is transmission case internal structure of the invention
Schematic diagram, Fig. 3 are of the invention to take native case schematic diagram of internal structure.
It is a kind of including transmission case 1 setting up and down and to take native case for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is driven
The second roller bearing 15 there are two being arranged is rotated in case 1, is connected with two hawsers 5 between two the second roller bearings 15, one of them second
Belt 16 is also arranged on roller bearing 15, belt 16 is fixedly connected with two hawsers 5, and there are two the upper end fixed settings for taking native case
Driving motor 10, the output shaft 11 of two driving motors 10 extend into transmission case 1 and respectively with two the second roller bearings 15
It is coaxial to be connected, the open at its lower end of native case is taken, taking the inner rotation of the lower end of native case to be arranged, there are two the first roller bearing 6, two hawsers 5
It extends down into after taking in native case around two the first roller bearings 6.
In the present embodiment, rotary cultivator is connected with tractor and is driven by tractor, drawing out soil equipment and tractor phase
Connection, and on the direction of travel of rotary cultivator, drawing out soil equipment is located at the rear of rotary cultivator, so as to the soil after rotary tillage
It carries out taking soil, the control device of driving motor 10 can be set in the driver's cabin of tractor, be that those skilled in the art institute is public
Know, details are not described herein.
During rotary cultivator rotary tillage, controls two driving motors 10 and start, and then driven respectively by two driving motors 10
Dynamic two the second roller bearings 15 rotation, during the rotation of the second roller bearing 15, hawser 5 is never arranged with one second of belt 16
It takes off on roller bearing 15 and is wound on second roller bearing 15 for being arranged with belt 16, hawser 5 drives skin in moving process
Band 16 is wound up, and the lower end of native case will be taken to open.After rotary tillage finishes, drawing out soil equipment is pushed to move down, motive force is come
Source can be cylinder, hydraulic cylinder or ball screw framework isoline output device, repeat no more.When taking native case to be inserted downwardly into
After in soil, hack, which enters, to be taken inside native case, is controlled two driving motors 10 later and is rotated backward, and then by two driving electricity
Machine 10 respectively drives two the second roller bearings 15 and rotates backward, and during the second roller bearing 15 rotates backward, hawser 5 is reversely moved
It is dynamic, and 16 synchronizing moving of belt is driven, belt 16 is inserted into soil after bypassing one of them first roller bearing 6 with hawser 5,
The lower end closed that native case will be taken after belt 16 is around second the first roller bearing 6, positioned at the hack taken inside native case by belt
16 catch.Finally native case will be taken to be lifted up, and complete the process for taking soil.
The present invention only need to control when taking soil it is whole move up and down with two driving motors 10, it is convenient and efficient.?
During taking soil, the present invention carries out taking soil by the way of direct insertion, reduces the destruction to soil soil block, takes the tank wall of native case
The hack of acquirement can be fixed, maintain the original state form of hack, and will not cause to squeeze to the hack taken, cause
The deformation of soil.In capping processes, the movement of belt 16 is driven by the traction of hawser 5 to realize, is not had biggish
Shake, to avoid that it is original to further ensure that the hack of extraction is able to maintain because shake causes the further fragmentation of soil particle
State.By guaranteeing that hack form remains unchanged, during subsequent detection garrulous soil rate, it can guarantee the error generated very
It is small, the result accuracy for examining a rotary cultivator whether excellent is improved, rotary cultivator investment production application is conducive to.
In the present embodiment, hawser 5 is set as steel cable, according to the size of actual device, in the case where proof strength,
The materials such as high-strength nylon rope or the rope made of hemp can be replaced with.
Further, transmission case 1 and the connection type for taking native case are as follows: taking the top of native case to be vertically connected, there are four limit plates
2, four limit plates 2 are equally divided into two groups, and every group of limit plate 2 is set as two, coplanar with two limit plates 2 of group, two groups of limits
Position plate 2 is parallel to each other, and transmission case 1 is fastened between two groups of limit plates 2.The environment in field is complicated, and dust and moisture etc. are easy to
It invades and is adversely affected inside transmission case 1, through such a connection manner, can easily be removed transmission case 1, with
Cleaning is carried out to the second internal roller bearing 15, hawser 5 and belt 16, guarantee drawing out soil equipment can stable operation, Jin Erbao
The levels of precision that card takes soil to measure, additionally it is possible to extend the service life of drawing out soil equipment.
Further, the set-up mode of the connection type and the second roller bearing 15 of driving motor 10 and the second roller bearing 15 are as follows: its
In offer through-hole 14 on one group of limit plate 2, axle sleeve 12 is fixedly installed in through-hole 14, the output shaft 11 of driving motor 10 is worn
Axle sleeve 12 is crossed, aperture is offered on another set limit plate 2, two the second roller bearings 15 are stretched out from two apertures respectively.
Further, native case is taken to be enclosed by two the first side plates 3 and two the second side plates 7, two 3 phases of the first side plate
Mutually parallel, two the second side plates 7 are both connected between two the first side plates 3 and are parallel to each other, the lower end of two the first side plates 3
Be connected with to the interior folded plate 4 for taking native case internal bend, two the first roller bearings 6 be rotatably arranged on two the second side plates 7 it
Between, two the first roller bearings 6 are respectively close to two the first side plates 3, and two the first roller bearings 6 are located at two interior folded plates 4
Top, two hawsers 5 bypass the both ends of the first roller bearing 6 respectively.During taking native case to be inserted into hack, interior folded plate 4 can be with
It plays a protective role to the first roller bearing 6, avoids the first roller bearing 6 from being damaged by stronger pressure, and in uphill process,
Interior folded plate 4 can also play the role of Auxiliary support, and hack is avoided to be scattered.
Further, it is also fixedly connected between two the second side plates 7 there are two third side plate 17, two third side plates 17 divide
Not close to two the first side plates 3, two hawsers 5 are extend into take in native case after between third side plate 17 and the first side plate 3 between
It is passed through in gap.Third side plate 17 can protect hawser 5, avoid adhering to excessive hack on hawser 5 and generating stuck etc.
Deleterious situation.
Further, the set-up mode of driving motor 10 are as follows: there are two the upper end of one of them the second side plate 7 is fixedly connected
Horizontally disposed support plate 9 is fixedly connected to reinforcement block 8, two driving electricity between second side plate 7 and two support plates 9
Machine 10 is respectively fixedly disposed in two support plates 9.
Further, several stomatas 13 are offered on one of tank wall of transmission case 1.Because transmission case 1 and taking soil
Case is connection, therefore is taking the air in native case to be pressed upwards originally during taking native case to be inserted into hack
In transmission case 1, if this partial air cannot be smoothly discharged, air pressure inside raising will cause, be unfavorable for taking soil, stomata 13 is used
This partial air is discharged from transmission case 1, the air pressure in stable drive case 1 guarantees smoothly to take soil.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: including transmission case (1) setting up and down and
Native case is taken, in transmission case (1) there are two rotation settings the second roller bearing (15), is connected with two cables between two the second roller bearings (15)
It restricts (5), is also arranged with belt (16) on one of them second roller bearing (15), belt (16) is fixedly connected with two hawsers (5),
The upper end of native case is taken to be fixedly installed there are two driving motor (10), the output shaft (11) of two driving motors (10) extend into biography
It is in dynamic case (1) and coaxial connected with two the second roller bearings (15) respectively, the open at its lower end of native case is taken, the interior of the lower end of native case is taken
Portion's rotation setting there are two the first roller bearing (6), two hawsers (5) extend down into take in native case after around two the first roller bearings
(6).
2. as described in claim 1 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: described to take soil
The top of case is vertically connected there are four limit plate (2), and four limit plates (2) are equally divided into two groups, and every group of limit plate (2) is set as
Two, coplanar with two limit plates (2) of group, two groups of limit plates (2) are parallel to each other, and the transmission case (1) is fastened on two groups of limits
Between position plate (2).
3. as claimed in claim 2 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: wherein one group
It offers through-hole (14), is fixedly installed axle sleeve (12) in through-hole (14), the driving motor (10) on the limit plate (2)
The output shaft (11) pass through axle sleeve (12), offer aperture, two second roller bearings on another set limit plate (2)
(15) it is stretched out from two apertures respectively.
4. as described in claim 1 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: described to take soil
Case is enclosed by two the first side plates (3) and two the second side plates (7), and two the first side plates (3) are parallel to each other, and two second
Side plate (7) is both connected between two the first side plates (3) and is parallel to each other, and the lower end of two the first side plates (3) integrally connects
It is connected to the interior folded plate (4) for taking native case internal bend.
5. as claimed in claim 4 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: described in two
First roller bearing (6) is rotatably arranged between two second side plates (7), and two the first roller bearings (6) are respectively close to two
First side plate (3), two hawsers (5) bypass the both ends of the first roller bearing (6) respectively.
6. as claimed in claim 5 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: described in two
There are two being also fixedly connected between second side plate (7) third side plate (17), two third side plates (17) are respectively close to described in two
First side plate (3), two hawsers (5) extend into it is described after taking in native case from third side plate (17) and the first side plate (3) it
Between gap in pass through
It is as claimed in claim 4 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: one of institute
The upper end for stating the second side plate (7) is fixedly connected there are two horizontally disposed support plate (9), which supports with two
It is fixedly connected between plate (9) reinforcement block (8), two driving motors (10) are respectively fixedly disposed at two support plates
(9) on.
7. as described in claim 1 a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate, it is characterised in that: the transmission
Several stomatas (13) are offered on one of tank wall of case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811426288.3A CN109297750B (en) | 2018-11-27 | 2018-11-27 | Soil sampling device for detecting soil crushing rate of rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811426288.3A CN109297750B (en) | 2018-11-27 | 2018-11-27 | Soil sampling device for detecting soil crushing rate of rotary cultivator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109297750A true CN109297750A (en) | 2019-02-01 |
| CN109297750B CN109297750B (en) | 2021-02-05 |
Family
ID=65144876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811426288.3A Active CN109297750B (en) | 2018-11-27 | 2018-11-27 | Soil sampling device for detecting soil crushing rate of rotary cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297750B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267654A (en) * | 2013-05-17 | 2013-08-28 | 河海大学 | Soft cloth subsealing type shallow water undisturbed surface sediment sampler |
| CN103264654A (en) * | 2013-05-17 | 2013-08-28 | 芜湖中集瑞江汽车有限公司 | Residue soil dump vehicle with built-in horizontal-pushing environment-friendly top cover system |
| CN107389683A (en) * | 2017-09-13 | 2017-11-24 | 河南科技大学 | Rotary cultivator garrulous soil rate real-time detection apparatus and method based on image processing techniques |
| CN206932801U (en) * | 2017-07-28 | 2018-01-30 | 青阳县森沣农业科技有限公司 | Sealwort cultivates greenhouse |
| CN108051238A (en) * | 2017-12-04 | 2018-05-18 | 浙江海洋大学 | Deep water sampling device |
-
2018
- 2018-11-27 CN CN201811426288.3A patent/CN109297750B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267654A (en) * | 2013-05-17 | 2013-08-28 | 河海大学 | Soft cloth subsealing type shallow water undisturbed surface sediment sampler |
| CN103264654A (en) * | 2013-05-17 | 2013-08-28 | 芜湖中集瑞江汽车有限公司 | Residue soil dump vehicle with built-in horizontal-pushing environment-friendly top cover system |
| CN206932801U (en) * | 2017-07-28 | 2018-01-30 | 青阳县森沣农业科技有限公司 | Sealwort cultivates greenhouse |
| CN107389683A (en) * | 2017-09-13 | 2017-11-24 | 河南科技大学 | Rotary cultivator garrulous soil rate real-time detection apparatus and method based on image processing techniques |
| CN108051238A (en) * | 2017-12-04 | 2018-05-18 | 浙江海洋大学 | Deep water sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109297750B (en) | 2021-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206935560U (en) | A kind of wheat cultivation seed selection robot | |
| CN207354828U (en) | Stone collector | |
| CN201039673Y (en) | Modified seed sowing machine for working ridges, spreading mulch film | |
| CN205865061U (en) | Fertilizer injection unit is used in saline -alkali soil improvement | |
| CN105248000B (en) | Automatic moving type soil subsoiling deep placement Operation Van | |
| CN106804137A (en) | A kind of garden lawn trimming continuously punched machine of hand propelled | |
| CN208987270U (en) | A kind of organic fertilizer double-arc spline trench digging in offset woods orchard is deep to apply machine | |
| CN104380861B (en) | Maize at Seedling Stage pricks tooth-like loosing earth mechanism | |
| CN208001561U (en) | The jujube cropper of jujube cropper exciting device and its composition | |
| CN109297750A (en) | It is a kind of for detecting the drawing out soil equipment of rotary cultivator garrulous soil rate | |
| CN207927158U (en) | A kind of adaptive multiple frequency ultrasonic vibration low-resistance wear-resistance subsoiler | |
| CN109168433A (en) | A kind of swing offset punching variable-rate fertilization | |
| Giordano et al. | The spading machine as an alternative to the plough for the primary tillage | |
| CN107583547A (en) | A kind of efficient agriculture mixing arrangement | |
| CN207151245U (en) | Straw counters-field set flail knife shaft experiment platform | |
| CN215178708U (en) | Detection equipment for soil remediation | |
| CN206620441U (en) | A kind of seed fertilizer bucket assembly of seeder | |
| CN208370214U (en) | A kind of agricultural machinery fertilizer apparatus | |
| CN207219317U (en) | A kind of rotary cultivator with independent driving system | |
| CN205374061U (en) | A test bench that is used for special weeding cutter utensil performance in root of purple -flowered peucedanum medicine field to detect | |
| CN206433387U (en) | A kind of portable Chinese cabbage picker | |
| CN203369063U (en) | Ground leveling device | |
| CN205284048U (en) | Beater | |
| CN108781701A (en) | A kind of Green Chinese onion harvester | |
| CN104067735A (en) | Automatic seed sowing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190201 Assignee: Luoyang yeteng mechanical equipment manufacturing Co., Ltd Assignor: Henan University of science and technology Contract record no.: X2021980012131 Denomination of invention: A soil borrowing device for detecting soil crushing rate of rotary cultivator Granted publication date: 20210205 License type: Common License Record date: 20211110 |
|
| EE01 | Entry into force of recordation of patent licensing contract |