CN108112305A - Kind seedling transplanting device - Google Patents
Kind seedling transplanting device Download PDFInfo
- Publication number
- CN108112305A CN108112305A CN201711365355.0A CN201711365355A CN108112305A CN 108112305 A CN108112305 A CN 108112305A CN 201711365355 A CN201711365355 A CN 201711365355A CN 108112305 A CN108112305 A CN 108112305A
- Authority
- CN
- China
- Prior art keywords
- pipe
- cave
- baffle
- rack
- drill bit
- 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
-
- 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
- A01C5/04—Machines for making or covering holes for sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Transplanting Machines (AREA)
- Soil Working Implements (AREA)
Abstract
The invention belongs to the technical fields of agricultural machinery, specifically disclose a kind of kind of seedling transplanting device, and including rack, internal combustion h type engine h, wheel, hole-making machine structure and plant setter structure, hole-making machine structure includes expansion box, cylinder, beats cave pipe and drill bit；Expansion box is arranged in rack, and one end of expansion box is communicated with air inlet pipe, and air inlet pipe is connected to the exhaust port of engine, and the other end of expansion box is communicated with air outlet pipe；Cylinder is arranged in rack to be connected with breaking cave pipe；It breaks cave pipe to connect with air outlet pipe slip, drill bit, which is connected to, to be beaten on the pipe of cave, and drill bit internal is hollow and outer wall is equipped with several through holes；Plant setter structure includes first baffle, second baffle, kind seedling box, motor and conveyer mechanism；First baffle is equipped with travel switch, and second baffle is equipped with spring, and spring is equipped with wedge block, and conveyer mechanism is inclined in rack, and motor is electrically connected with travel switch.Present invention aim to address temperature during the northern early spring is low, field soil is more hard, the problem of being not easy to dig a pit, hole, etc..
Description
Technical field
The invention belongs to the technical fields of agricultural machinery, specifically disclose a kind of kind of seedling transplanting device.
Background technology
Temperature during the northern area beginning of spring is still very low, has on field soil at this time and can also covered with frost or even part water
Ice film is condensed into, so field soil is harder, is not easy to get plantation hole.The mode of digging a pit, hole, etc. of common transplanter is direct mostly
The device that will dig a pit, hole, etc. is inserted into Tian Tuzhong, forms plantation hole, and for the field soil in the beginning of spring, device of digging a pit, hole, etc. is directly inserted into meeting in soil
It is subject to larger damage, while if can not melt frost and ice film, field soil is harder, the effect dug a pit, hole, etc. is also undesirable, to plant
Growth also without benefit.
The content of the invention
It is an object of the invention to provide a kind of kind of seedling transplanting devices, and low with temperature during the solution north early spring, field soil is more
It is hard, the problem of being not easy to dig a pit, hole, etc..
In order to achieve the above object, base case of the invention is：Kind seedling transplanting device, the hair including rack, internal combustion shaped
Motivation and wheel, wheel are mounted on bottom of the frame, and the engine is arranged in rack, further includes hole-making machine structure and plant setter
Structure, the hole-making machine structure include expansion box, cylinder, beat cave pipe and drill bit；The expansion box is arranged in rack, and the one of expansion box
It holds and is communicated with air inlet pipe, one end away from expansion box is connected to the exhaust port of engine in air inlet pipe, is also set in air inlet pipe
The filter of filtering lead and oxysulfide is useful for, the other end of expansion box is communicated with air outlet pipe；The cylinder is arranged on rack
On, the telescopic end of cylinder is connected with breaking cave pipe；The cave pipe of beating is connected with air outlet pipe slip, and the drill bit, which is connected to, to be beaten on the pipe of cave
One end away from air outlet pipe, drill bit internal is hollow and its outer wall is equipped with several through holes；The plant setter structure include first baffle,
Second baffle, kind seedling box and conveyer mechanism；The first baffle and second baffle are arranged in rack and are managed positioned at cave is beaten
Both sides, first baffle be equipped with travel switch, second baffle be equipped with spring, the one end of spring away from second baffle is equipped with
Wedge block, the wedge block offset with breaking cave pipe, and described kind of seedling box is arranged in rack, and the bottom for planting seedling box is communicated with funnel,
The conveyer mechanism is inclined in rack and positioned at the lower section of funnel, and the low side of conveyer mechanism offsets with breaking cave pipe,
Conveyer mechanism is equipped with several catch, and the plant setter structure further includes to drive the motor of conveyer mechanism, the motor
It is electrically connected with travel switch.
The operation principle of this base case is：Contain carbon dioxide, a small amount of nytron in the tail gas of engine discharge
Object, oxynitrides, lead and oxygen sulfur compound etc., the tail gas in the present apparatus can be entered by air inlet pipe in filter, filtering
Device can filter out the lead in tail gas and oxysulfide, only existed at this time in tail gas carbon dioxide, a small amount of hydrocarbon and
Oxynitrides, the tail gas after filtering are entered back into expansion box, then are entered and beaten in cave pipe and drill bit from expansion box, due to tail
The temperature of gas is high, thus can will beat cave manage and drill bit all heats.Start cylinder, the push rod in cylinder will beat cave pipe push down on,
Drill bit also moves down therewith, gets transplanting hole in Tian Tuzhong, while tail gas also enters Tian Tuzhong therewith.Cylinder is controlled again
Push rod moves upwards so that breaks cave pipe and is not contacted with wedge block, is not also contacted with conveyer mechanism, at this point, wedge block is in spring
Elastic force effect under it is mobile to travel switch and touch travel switch, travel switch control motor is opened, and motor passes after opening
Tape-feed operates, and the catch on conveyer mechanism also moves down therewith, and the seedling on catch can also move down, and work as catch
When continuing to move to, seedling will fall to fall in transplanting hole from catch, then the push rod of cylinder is controlled to reset so that wedge shape
Block is separated with travel switch, and dozen cave pipe is made to offset with conveyer mechanism.
The advantageous effect of this base case is：1. since the temperature of tail gas is high, thus tail gas can will beat cave manage and brill
Head heating, when drill bit can just heat the field being in contact with it soil when Tian Tuzhong digs a pit, hole, etc. so that the frost and ice film on the soil of field melts.
Tail gas can also be flowed out from drill bit simultaneously, can also play the role of heating field soil, so as to reduce the flintiness of field soil.2. we
Tail gas in case has carried out filtration treatment, wherein will have the lead of injury and oxygen sulfur compound to filter out plant, only surplus in tail gas
Carbon dioxide, a small amount of hydrocarbon, oxynitrides, oxynitrides are favourable to the growth of plant, moreover it is possible to promote seedling
Development.3. transplanter of the prior art is to dig a pit, hole, etc. in advance mostly, then will be during kind transplantation of seedlings cheats into transplanting, and this programme
It realizes simultaneously and digs a pit, hole, etc. and transplant, and be to make a call to a hole, transplant one plant of seedling at once, reduce working time, add work
Make efficiency.
Preferred embodiment one：Based on scheme it is preferred, the drill bit is rotatably connected on that break cave pipe upper away from air outlet pipe
One end, drill bit is interior to be equipped with strut, and strut is equipped with flabellum.When tail gas flows in drill bit, flabellum can be rotated, flabellum drives
Strut rotates, and strut drives drill bit to rotate, so drill bit can also be rotated when moving down, convenient for digging a pit, hole, etc. in Tian Tuzhong.
Preferred embodiment two：Preferably one it is preferred, air pump is equipped in the expansion box, the air outlet pipe is equipped with
Motor-driven valve.Since tail gas has passed through filter, so the flowing velocity of tail gas can slow down, when tail gas is blown on flabellum, flabellum
Velocity of rotation will reduce, the velocity of rotation of drill bit can also decrease, this can influence dig a pit, hole, etc. efficiency and the quality of drill bit.And
Using this programme, when drill bit is not dug a pit, hole, etc., tail gas is quickly drawn into expansion box by air pump, and motor-driven valve is closed, and tail gas will
It is stored in expansion box and air pressure becomes larger, when drill bit is needed to dig a pit, hole, etc., open motor-driven valve, a large amount of tail gas are entered in drill bit, are fanned
The velocity of rotation of leaf is accelerated, and the velocity of rotation of drill bit can also be promoted, and ensures that drill bit can rapidly dig a pit, hole, etc..Meanwhile the gas of tail gas
Pressure increase also can be entered quickly in soil, absorb the oxynitrides in soil convenient for seedling.
Preferred embodiment three：Preferably two it is preferred, the expansion box be equipped with safety valve.If always without using
Drill bit, user forget that will open motor-driven valve releases tail gas again, then expansion box inner exhaust gas pressure, which may occur, to be caused greatly very much
The situation of expansion box explosion.And using this programme, it, can be voluntarily from safety valve after the air pressure in expansion box reaches to a certain degree
Inside release.Avoid the above problem.
Preferred embodiment four：Based on scheme it is preferred, be communicated with humidification water tank in the air outlet pipe, humidification water tank is located at
It expansion box and beats between the pipe of cave.The humidity of tail gas can be increased using this programme so that moisture can be entered in soil, favorably
Moisture is absorbed in seedling.
Preferred embodiment five：Based on scheme it is preferred, the rack be equipped with driver's cabin.This dress is driven convenient for user
It puts.
Description of the drawings
Fig. 1 is the structure diagram of kind of seedling transplanting device.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail：
Reference numeral in Figure of description includes：Rack 1, wheel 2, expansion box 3, cylinder 4, air inlet pipe 5, air outlet pipe 6,
Beat cave pipe 7, drill bit 8, filter 9, humidification water tank 10, first baffle 11, second baffle 12, travel switch 13, spring 14, wedge shape
Block 15, kind seedling box 16, funnel 17, conveyer mechanism 18.
As shown in Figure 1, the present embodiment kind seedling transplanting device include rack 1, wheel 2, internal combustion h type engine h, hole-making machine structure and
Plant setter structure.Engine is arranged on the middle part of rack 1, and for driving wheel 2, driver's cabin is additionally provided in rack 1.Hole-making machine structure bag
It includes expansion box 3, cylinder 4 and breaks cave pipe 7, expansion box 3 is arranged on 1 front end of rack, and air pump, a left side for expansion box 3 are equipped in expansion box 3
End is equipped with air inlet pipe 5, and air inlet pipe 5 connects with the exhaust outlet of engine, and air inlet pipe 5 is equipped with for filtering lead and oxysulfide
Filter 9.The right end of expansion box 3 is equipped with air outlet pipe 6, and air outlet pipe 6 extends to the lower section of rack 1, and air outlet pipe 6 is equipped with humidification water
Case 10 and motor-driven valve, motor-driven valve are located between expansion box 3 and humidification water tank 10.The top of expansion box 3 is equipped with safety valve.Cylinder 4
The bottom of rack 1 is arranged on, the push rod of cylinder 4 is equipped with horizontal stent, and stent is connected with breaking cave pipe 7, beats cave pipe 7 and outlet
Pipe 6 is slidably connected.The lower rotation for breaking cave pipe 7 is connected with drill bit 8, and drill bit 8 is equipped with several through holes, strut is equipped in drill bit 8,
Strut is equipped with flabellum.Plant setter structure includes first baffle 11, second baffle 12, kind seedling box 16 and conveyer mechanism 18.First
Baffle 11 and second baffle 12 are arranged in rack 1, and first baffle 11 is located at the left side for breaking cave pipe 7, and second baffle 12 is located at
The right side of cave pipe 7 is beaten, first baffle 11 is equipped with travel switch 13, and second baffle 12 is equipped with spring 14, and spring 14 is equipped with wedge
Shape block 15, wedge block 15 offset with breaking cave pipe 7.Kind seedling box 16 is arranged in rack 1, and the bottom of kind seedling box 16 is communicated with funnel
17.Conveyer mechanism 18 is inclined in rack 1 and positioned at the lower section of funnel 17, the low side of conveyer mechanism 18 is with breaking cave pipe
7 offset, and conveyer mechanism 18 is equipped with several catch, and plant setter structure further includes to drive the motor of conveyer mechanism 18, institute
Motor is stated to be electrically connected with travel switch 13.
When it is implemented, drive the present apparatus into field, then start cylinder 4 and open motor-driven valve, engine discharge
Exhaust temperature is very high, and wherein containing carbon dioxide, a small amount of hydrocarbon, oxynitrides, lead and oxygen sulfur compound etc..Tail
Gas can be entered by air inlet pipe 5 in filter 9, and filter 9 can filter out the lead in tail gas and oxysulfide, at this time tail
Carbon dioxide, a small amount of hydrocarbon and oxynitrides are only existed in gas, the tail gas after filtering is drawn into gas storage by air pump again
It in case 3, then enters and is beaten in cave pipe 7 and drill bit 8 from expansion box 3, the flabellum that tail gas is blown in drill bit 8 makes drill bit 8 start to rotate.
After cylinder 4 starts, push rod in cylinder 4 promotes stent, stent will beat cave pipe 7 push down on, drill bit 8 also moves down therewith,
Transplanting hole is got in Tian Tuzhong.Since the temperature of tail gas is very high, drill bit 8 can be heated with cave pipe 7 is broken so that the temperature of the two
Also become higher, while drill bit 8 is equipped with several through holes, so tail gas can be sprayed from drill bit 8.When breaking cave pipe 7 and drill bit 8 downward
When mobile, it becomes possible to dig a pit, hole, etc. in Tian Tuzhong, while the frost and ice film of Tian Tuzhong is melted into water, water additionally aids the life of plant
It is long, while when drill bit 8 extend into Tian Tuzhong, tail gas can also spray from drill bit 8 and enter Tian Tuzhong.After the completion of digging a pit, hole, etc., then
The push rod of control cylinder 4 moves upwards, and push rod drives stent to move upwards, and stent drive breaks cave pipe 7 and moves up to wedge block
15 top so that break cave pipe 7 and separated with wedge block 15, conveyer mechanism 18.Wedge block 15 is not subject to the stop for breaking cave pipe 7
Afterwards, moved under the elastic force effect of spring 14 to travel switch 13 and touch travel switch 13, travel switch 13 controls motor
It opens, conveyer mechanism 18 operates after motor is opened, and the catch on conveyer mechanism 18 also moves down therewith, the kind on catch
Seedling can also move down, and when catch continues to move to, seedling will fall to fall in transplanting hole from catch.Then again
Cylinder 4 is controlled, the push rod of cylinder 4 is moved downward, breaks cave pipe 7 and also move down so that wedge block 15 divides with travel switch 13
From conveyer mechanism 18 is out of service, while breaks cave pipe 7 and offset again with conveyer mechanism 18, and seedling is just broken cave pipe 7 and stopped
Firmly.Push rod continues to move down, and repeats the above steps.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and practical applicability.
Claims (6)
1. kind of seedling transplanting device, engine and wheel including rack, internal combustion shaped, wheel is mounted on bottom of the frame, described to start
Machine is arranged in rack, it is characterised in that：Hole-making machine structure and plant setter structure are further included, the hole-making machine structure includes expansion box, gas
Cylinder beats cave pipe and drill bit；The expansion box is arranged in rack, and one end of expansion box is communicated with air inlet pipe, separate in air inlet pipe
One end of expansion box is connected to the exhaust port of engine, is additionally provided with to filter the filtering of lead and oxysulfide in air inlet pipe
Device, the other end of expansion box are communicated with air outlet pipe；The cylinder is arranged in rack, and the telescopic end of cylinder is connected with breaking cave pipe；
The cave pipe of beating is connected with air outlet pipe slip, and the drill bit, which is connected to, beats the upper one end away from air outlet pipe of cave pipe, in drill bit internal
Empty and its outer wall is equipped with several through holes；The plant setter structure includes first baffle, second baffle, kind seedling box and conveyer belt machine
Structure；The first baffle and second baffle are arranged in rack and positioned at the both sides for breaking cave pipe, and first baffle is equipped with stroke
Switch, second baffle are equipped with spring, and the one end of spring away from second baffle is equipped with wedge block, and the wedge block is with breaking cave pipe
It offsets, described kind of seedling box is arranged in rack, and the bottom for planting seedling box is communicated with funnel, and the conveyer mechanism is inclined at machine
On frame and positioned at the lower section of funnel, the low side of conveyer mechanism offsets with breaking cave pipe, and conveyer mechanism is equipped with several catch, institute
It states plant setter structure to further include to drive the motor of conveyer mechanism, the motor is electrically connected with travel switch.
2. according to claim a kind of seedling transplanting device, it is characterised in that：The drill bit, which is rotatably connected on, beats cave Guan Shangyuan
One end of tracheae is separated out, strut is equipped in drill bit, strut is equipped with flabellum.
3. according to claim 2 kind of seedling transplanting device, it is characterised in that：Be equipped with air pump in the expansion box, it is described go out
Tracheae is equipped with motor-driven valve.
4. according to claim 3 kind of seedling transplanting device, it is characterised in that：The expansion box is equipped with safety valve.
5. according to claim a kind of seedling transplanting device, it is characterised in that：Humidification water tank is communicated in the air outlet pipe,
Humidification water tank is located at expansion box and beats between the pipe of cave.
6. according to claim a kind of seedling transplanting device, it is characterised in that：The rack is equipped with driver's cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365355.0A CN108112305B (en) | 2017-12-18 | 2017-12-18 | Seedling transplanting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365355.0A CN108112305B (en) | 2017-12-18 | 2017-12-18 | Seedling transplanting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108112305A true CN108112305A (en) | 2018-06-05 |
| CN108112305B CN108112305B (en) | 2019-12-17 |
Family
ID=62230215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711365355.0A Active CN108112305B (en) | 2017-12-18 | 2017-12-18 | Seedling transplanting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108112305B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108886917A (en) * | 2018-06-27 | 2018-11-27 | 东莞唯度电子科技服务有限公司 | A kind of dedicated seedling transplanter of Garden Architecture |
| CN109329325A (en) * | 2018-09-18 | 2019-02-15 | 周晓红 | A kind of oven of autorotation |
| CN111133866A (en) * | 2020-01-06 | 2020-05-12 | 河南大学 | Automatic vegetable planting robot suitable for vegetable field paved with mulching film |
| CN115191314A (en) * | 2022-08-18 | 2022-10-18 | 湖南科技学院 | Portable sea-buckthorn planting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5449254A (en) * | 1993-10-01 | 1995-09-12 | Beckner; Ruth | Compost aeration tool |
| CN2754317Y (en) * | 2004-11-05 | 2006-02-01 | 李树江 | Pneuamtic hole-boring tree planter |
| JP2009189366A (en) * | 2008-01-17 | 2009-08-27 | Okinawa Pref Gov | Method for planting and planter |
| CN102373305A (en) * | 2011-09-30 | 2012-03-14 | 西安胜唐鼓风机有限公司 | Turbine booster set for recovering energy of blast furnace tail gas |
| CN106068792A (en) * | 2016-06-15 | 2016-11-09 | 黄标城 | A kind of small farm pit-picker |
-
2017
- 2017-12-18 CN CN201711365355.0A patent/CN108112305B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5449254A (en) * | 1993-10-01 | 1995-09-12 | Beckner; Ruth | Compost aeration tool |
| CN2754317Y (en) * | 2004-11-05 | 2006-02-01 | 李树江 | Pneuamtic hole-boring tree planter |
| JP2009189366A (en) * | 2008-01-17 | 2009-08-27 | Okinawa Pref Gov | Method for planting and planter |
| CN102373305A (en) * | 2011-09-30 | 2012-03-14 | 西安胜唐鼓风机有限公司 | Turbine booster set for recovering energy of blast furnace tail gas |
| CN106068792A (en) * | 2016-06-15 | 2016-11-09 | 黄标城 | A kind of small farm pit-picker |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108886917A (en) * | 2018-06-27 | 2018-11-27 | 东莞唯度电子科技服务有限公司 | A kind of dedicated seedling transplanter of Garden Architecture |
| CN109329325A (en) * | 2018-09-18 | 2019-02-15 | 周晓红 | A kind of oven of autorotation |
| CN111133866A (en) * | 2020-01-06 | 2020-05-12 | 河南大学 | Automatic vegetable planting robot suitable for vegetable field paved with mulching film |
| CN115191314A (en) * | 2022-08-18 | 2022-10-18 | 湖南科技学院 | Portable sea-buckthorn planting device |
| CN115191314B (en) * | 2022-08-18 | 2024-03-22 | 湖南科技学院 | Portable sea buckthorn planting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108112305B (en) | 2019-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108112305A (en) | Kind seedling transplanting device | |
| CN108605480B (en) | Automatic planting machine | |
| CN110326494A (en) | A kind of gardens potted plant growth method | |
| CN108668575A (en) | A kind of vegetables planted in big canopy seedling transplanting device | |
| CN208480259U (en) | A kind of full-automatic seeding apparatus of organic cotton | |
| CN108057501A (en) | A kind of gardens fertilising caking fertilizer solution block device | |
| CN108739342A (en) | A kind of tea tree planting device | |
| CN201226670Y (en) | Multifunctional tobacco-seedlings field transplantation device | |
| CN108450101A (en) | A kind of vegetable planting machine | |
| CN207383087U (en) | A kind of mulching film stripping winder device | |
| CN206821511U (en) | A kind of roof greening irrigation system | |
| CN108575246A (en) | Peach plantation fertilizer apparatus | |
| CN109220394B (en) | Agricultural greenhouse pesticide sprinkler | |
| CN107347324A (en) | Seedling cultivation device in desert air | |
| CN104222013B (en) | A kind of method of a large amount of production Phyloseiulus nersimilis | |
| CN109328880A (en) | A kind of annular culturing frame structure applied to agriculture mushroom | |
| CN109392520A (en) | Automatic watering function flower planting device | |
| CN108781965A (en) | Kiwi berry method for culturing seedlings | |
| CN107624531A (en) | A kind of implantation methods of dendrobium candidum | |
| CN208821191U (en) | A kind of quick seeding apparatus of crops | |
| CN209546265U (en) | Seed membrane band machine | |
| CN113661871A (en) | Trees protection device that prevents frostbite for afforestation | |
| JP2507626Y2 (en) | Irrigation device in transplanter | |
| CN208258349U (en) | Rice Cropping device | |
| CN219644604U (en) | Crop seed storage device |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pi Tianran Inventor after: Tian Minghui Inventor before: Tian Minghui |
|
| CB03 | Change of inventor or designer information |